| File: | wiretap/blf.c |
| Warning: | line 3824, column 14 Potential leak of memory pointed to by 'newdata' |
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| 1 | /* blf.c | |||
| 2 | * | |||
| 3 | * Wiretap Library | |||
| 4 | * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu> | |||
| 5 | * | |||
| 6 | * File format support for the Binary Log File (BLF) file format from | |||
| 7 | * Vector Informatik decoder | |||
| 8 | * Copyright (c) 2021-2025 by Dr. Lars Völker <lars.voelker@technica-engineering.de> | |||
| 9 | * | |||
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later | |||
| 11 | */ | |||
| 12 | ||||
| 13 | /* | |||
| 14 | * The following was used as a reference for the file format: | |||
| 15 | * https://bitbucket.org/tobylorenz/vector_blf | |||
| 16 | * The repo above includes multiple examples files as well. | |||
| 17 | */ | |||
| 18 | ||||
| 19 | #include <config.h> | |||
| 20 | #define WS_LOG_DOMAIN"Wiretap" LOG_DOMAIN_WIRETAP"Wiretap" | |||
| 21 | ||||
| 22 | #include "blf.h" | |||
| 23 | ||||
| 24 | #include <epan/dissectors/packet-socketcan.h> | |||
| 25 | #include <epan/dissectors/packet-flexray.h> | |||
| 26 | #include <epan/dissectors/packet-lin.h> | |||
| 27 | #include <string.h> | |||
| 28 | #include <errno(*__errno_location ()).h> | |||
| 29 | #include <epan/value_string.h> | |||
| 30 | #include <wiretap/wtap.h> | |||
| 31 | #include <wiretap/wtap_opttypes.h> | |||
| 32 | #include <wsutil/wslog.h> | |||
| 33 | #include <wsutil/exported_pdu_tlvs.h> | |||
| 34 | #include <wsutil/pint.h> | |||
| 35 | #include <wsutil/report_message.h> | |||
| 36 | #include <wsutil/strtoi.h> | |||
| 37 | #include <wsutil/time_util.h> | |||
| 38 | #include <wsutil/zlib_compat.h> | |||
| 39 | #include <libxml/tree.h> | |||
| 40 | #include <libxml/parser.h> | |||
| 41 | #include <libxml/xpath.h> | |||
| 42 | #include "file_wrappers.h" | |||
| 43 | #include "wtap-int.h" | |||
| 44 | ||||
| 45 | static const uint8_t blf_magic[] = { 'L', 'O', 'G', 'G' }; | |||
| 46 | static const uint8_t blf_obj_magic[] = { 'L', 'O', 'B', 'J' }; | |||
| 47 | ||||
| 48 | static int blf_file_type_subtype = -1; | |||
| 49 | ||||
| 50 | void register_blf(void); | |||
| 51 | ||||
| 52 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset); | |||
| 53 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec* rec, int *err, char **err_info); | |||
| 54 | static void blf_close(wtap *wth); | |||
| 55 | ||||
| 56 | /* | |||
| 57 | * The virtual buffer looks like this (skips all headers): | |||
| 58 | * uncompressed log container data | |||
| 59 | * uncompressed log container data | |||
| 60 | * ... | |||
| 61 | * | |||
| 62 | * The "real" positions, length, etc. reference this layout and not the file. | |||
| 63 | */ | |||
| 64 | typedef struct blf_log_container { | |||
| 65 | int64_t infile_start_pos; /* start position of log container in file */ | |||
| 66 | uint64_t infile_length; /* length of log container in file */ | |||
| 67 | uint64_t infile_data_start; /* start position of data in log container in file */ | |||
| 68 | ||||
| 69 | uint64_t real_start_pos; /* decompressed (virtual) start position including header */ | |||
| 70 | uint64_t real_length; /* decompressed length */ | |||
| 71 | ||||
| 72 | uint16_t compression_method; /* 0: uncompressed, 2: zlib */ | |||
| 73 | ||||
| 74 | unsigned char *real_data; /* cache for decompressed data */ | |||
| 75 | } blf_log_container_t; | |||
| 76 | ||||
| 77 | typedef struct blf_data { | |||
| 78 | int64_t start_of_last_obj; | |||
| 79 | int64_t current_real_seek_pos; | |||
| 80 | uint64_t start_offset_ns; | |||
| 81 | ||||
| 82 | GArray *log_containers; | |||
| 83 | ||||
| 84 | GHashTable *channel_to_iface_ht; | |||
| 85 | GHashTable *channel_to_name_ht; | |||
| 86 | uint32_t next_interface_id; | |||
| 87 | } blf_t; | |||
| 88 | ||||
| 89 | typedef struct blf_params { | |||
| 90 | wtap *wth; | |||
| 91 | wtap_rec *rec; | |||
| 92 | FILE_T fh; | |||
| 93 | bool_Bool random; | |||
| 94 | bool_Bool pipe; | |||
| 95 | ||||
| 96 | blf_t *blf_data; | |||
| 97 | } blf_params_t; | |||
| 98 | ||||
| 99 | typedef struct blf_channel_to_iface_entry { | |||
| 100 | int pkt_encap; | |||
| 101 | uint16_t channel; | |||
| 102 | uint16_t hwchannel; | |||
| 103 | uint32_t interface_id; | |||
| 104 | } blf_channel_to_iface_entry_t; | |||
| 105 | ||||
| 106 | typedef struct blf_metadata_info { | |||
| 107 | size_t metadata_cont; | |||
| 108 | size_t payload_start; | |||
| 109 | bool_Bool valid; | |||
| 110 | } blf_metadata_info_t; | |||
| 111 | ||||
| 112 | static void | |||
| 113 | blf_free_key(void *key) { | |||
| 114 | g_free(key); | |||
| 115 | } | |||
| 116 | ||||
| 117 | static void | |||
| 118 | blf_free_channel_to_iface_entry(void *data) { | |||
| 119 | g_free(data); | |||
| 120 | } | |||
| 121 | ||||
| 122 | static void | |||
| 123 | blf_free_channel_to_name_entry(void *data) { | |||
| 124 | g_free(data); | |||
| 125 | } | |||
| 126 | ||||
| 127 | static int64_t | |||
| 128 | blf_calc_key_value(int pkt_encap, uint16_t channel, uint16_t hwchannel) { | |||
| 129 | return (int64_t)(((uint64_t)pkt_encap << 32) | ((uint64_t)hwchannel << 16) | (uint64_t)channel); | |||
| 130 | } | |||
| 131 | ||||
| 132 | /** Return the Epoch ns time of the capture start | |||
| 133 | * | |||
| 134 | * This is not intended to fully validate the date and time, | |||
| 135 | * but just to check if the values are plausible. | |||
| 136 | */ | |||
| 137 | static uint64_t | |||
| 138 | blf_get_start_offset_ns(const blf_date_t* start_date) { | |||
| 139 | struct tm timestamp; | |||
| 140 | time_t start_offset_s; | |||
| 141 | ||||
| 142 | if (start_date != NULL((void*)0) && | |||
| 143 | (start_date->month >= 1 && start_date->month <= 12) && | |||
| 144 | (start_date->day >= 1 && start_date->day <= 31) && | |||
| 145 | (start_date->hour <= 23) && (start_date->mins <= 59) && | |||
| 146 | (start_date->sec <= 61) /* Apparently can be up to 61 on certain systems */ | |||
| 147 | ) { /* Not checking if milliseconds are actually less than 1000 */ | |||
| 148 | timestamp.tm_year = (start_date->year > 1970) ? start_date->year - 1900 : 70; | |||
| 149 | timestamp.tm_mon = start_date->month - 1; | |||
| 150 | timestamp.tm_mday = start_date->day; | |||
| 151 | timestamp.tm_hour = start_date->hour; | |||
| 152 | timestamp.tm_min = start_date->mins; | |||
| 153 | timestamp.tm_sec = start_date->sec; | |||
| 154 | timestamp.tm_isdst = -1; | |||
| 155 | start_offset_s = mktime(×tamp); | |||
| 156 | if (start_offset_s >= 0) { | |||
| 157 | return (1000 * 1000 * (start_date->ms + (1000 * (uint64_t)start_offset_s))); | |||
| 158 | } | |||
| 159 | } | |||
| 160 | ||||
| 161 | return 0; | |||
| 162 | } | |||
| 163 | ||||
| 164 | static void add_interface_name(wtap_block_t int_data, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) { | |||
| 165 | if (name != NULL((void*)0)) { | |||
| 166 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "%s", name); | |||
| 167 | } else { | |||
| 168 | switch (pkt_encap) { | |||
| 169 | case WTAP_ENCAP_ETHERNET1: | |||
| 170 | /* we use UINT16_MAX to encode no hwchannel */ | |||
| 171 | if (hwchannel == UINT16_MAX(65535)) { | |||
| 172 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u", channel); | |||
| 173 | } else { | |||
| 174 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u-%u", channel, hwchannel); | |||
| 175 | } | |||
| 176 | break; | |||
| 177 | case WTAP_ENCAP_IEEE_802_1120: | |||
| 178 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "WLAN-%u", channel); | |||
| 179 | break; | |||
| 180 | case WTAP_ENCAP_FLEXRAY106: | |||
| 181 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "FR-%u", channel); | |||
| 182 | break; | |||
| 183 | case WTAP_ENCAP_LIN107: | |||
| 184 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "LIN-%u", channel); | |||
| 185 | break; | |||
| 186 | case WTAP_ENCAP_SOCKETCAN125: | |||
| 187 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "CAN-%u", channel); | |||
| 188 | break; | |||
| 189 | default: | |||
| 190 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ENCAP_%d-%u", pkt_encap, channel); | |||
| 191 | } | |||
| 192 | } | |||
| 193 | ||||
| 194 | /* Add a defined description format to recover the original channel/hwchannel mapping, when we ever convert back to BLF */ | |||
| 195 | /* Changing the names might break the BLF writing! */ | |||
| 196 | switch (pkt_encap) { | |||
| 197 | case WTAP_ENCAP_ETHERNET1: | |||
| 198 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ETH-0x%04x-0x%04x", channel, hwchannel); | |||
| 199 | break; | |||
| 200 | case WTAP_ENCAP_IEEE_802_1120: | |||
| 201 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-WLAN-0x%04x", channel); | |||
| 202 | break; | |||
| 203 | case WTAP_ENCAP_FLEXRAY106: | |||
| 204 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-FR-0x%04x", channel); | |||
| 205 | break; | |||
| 206 | case WTAP_ENCAP_LIN107: | |||
| 207 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-LIN-0x%04x", channel); | |||
| 208 | break; | |||
| 209 | case WTAP_ENCAP_SOCKETCAN125: | |||
| 210 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-CAN-0x%04x", channel); | |||
| 211 | break; | |||
| 212 | default: | |||
| 213 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ENCAP_%d-0x%04x-0x%04x", pkt_encap, channel, hwchannel); | |||
| 214 | } | |||
| 215 | } | |||
| 216 | ||||
| 217 | static uint32_t | |||
| 218 | blf_add_interface(blf_params_t *params, int pkt_encap, uint32_t channel, uint16_t hwchannel, char *name) { | |||
| 219 | wtap_block_t int_data = wtap_block_create(WTAP_BLOCK_IF_ID_AND_INFO); | |||
| 220 | wtapng_if_descr_mandatory_t *if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(int_data); | |||
| 221 | blf_channel_to_iface_entry_t *item = NULL((void*)0); | |||
| 222 | ||||
| 223 | if_descr_mand->wtap_encap = pkt_encap; | |||
| 224 | add_interface_name(int_data, pkt_encap, channel, hwchannel, name); | |||
| 225 | /* | |||
| 226 | * The time stamp resolution in these files can be per-record; | |||
| 227 | * the maximum resolution is nanoseconds, so we specify that | |||
| 228 | * as the interface's resolution. | |||
| 229 | * | |||
| 230 | * We set the resolution for a record on a per-record basis, | |||
| 231 | * based on what the record specifies. | |||
| 232 | */ | |||
| 233 | if_descr_mand->time_units_per_second = 1000 * 1000 * 1000; | |||
| 234 | if_descr_mand->tsprecision = WTAP_TSPREC_NSEC9; | |||
| 235 | wtap_block_add_uint8_option(int_data, OPT_IDB_TSRESOL9, 9); | |||
| 236 | if_descr_mand->snap_len = WTAP_MAX_PACKET_SIZE_STANDARD262144U; | |||
| 237 | if_descr_mand->num_stat_entries = 0; | |||
| 238 | if_descr_mand->interface_statistics = NULL((void*)0); | |||
| 239 | wtap_add_idb(params->wth, int_data); | |||
| 240 | ||||
| 241 | if (params->wth->file_encap == WTAP_ENCAP_NONE-2) { | |||
| 242 | params->wth->file_encap = if_descr_mand->wtap_encap; | |||
| 243 | } else { | |||
| 244 | if (params->wth->file_encap != if_descr_mand->wtap_encap) { | |||
| 245 | params->wth->file_encap = WTAP_ENCAP_PER_PACKET-1; | |||
| 246 | } | |||
| 247 | } | |||
| 248 | ||||
| 249 | int64_t *key = NULL((void*)0); | |||
| 250 | key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t))); | |||
| 251 | *key = blf_calc_key_value(pkt_encap, channel, hwchannel); | |||
| 252 | ||||
| 253 | item = g_new(blf_channel_to_iface_entry_t, 1)((blf_channel_to_iface_entry_t *) g_malloc_n ((1), sizeof (blf_channel_to_iface_entry_t ))); | |||
| 254 | item->channel = channel; | |||
| 255 | item->hwchannel = hwchannel; | |||
| 256 | item->pkt_encap = pkt_encap; | |||
| 257 | item->interface_id = params->blf_data->next_interface_id++; | |||
| 258 | g_hash_table_insert(params->blf_data->channel_to_iface_ht, key, item); | |||
| 259 | ||||
| 260 | return item->interface_id; | |||
| 261 | } | |||
| 262 | ||||
| 263 | /** This is used to save the interface name without creating it. | |||
| 264 | * | |||
| 265 | * This approach allows up to update the name of the interface | |||
| 266 | * up until the first captured packet. | |||
| 267 | */ | |||
| 268 | static bool_Bool | |||
| 269 | // NOLINTNEXTLINE(misc-no-recursion) | |||
| 270 | blf_prepare_interface_name(blf_params_t* params, int pkt_encap, uint16_t channel, uint16_t hwchannel, const char* name, bool_Bool force_new_name) { | |||
| 271 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel); | |||
| 272 | char* old_name; | |||
| 273 | char* new_name; | |||
| 274 | char* iface_name; | |||
| 275 | int64_t* new_key; | |||
| 276 | bool_Bool ret; | |||
| 277 | ||||
| 278 | if (params->blf_data->channel_to_name_ht == NULL((void*)0)) { | |||
| 279 | return false0; | |||
| 280 | } | |||
| 281 | ||||
| 282 | old_name = (char *)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key); | |||
| 283 | ||||
| 284 | if (old_name != NULL((void*)0) && force_new_name) { | |||
| 285 | if (!g_hash_table_remove(params->blf_data->channel_to_name_ht, &key)) { | |||
| 286 | return false0; | |||
| 287 | } | |||
| 288 | ||||
| 289 | old_name = NULL((void*)0); | |||
| 290 | } | |||
| 291 | ||||
| 292 | if (old_name == NULL((void*)0) && name != NULL((void*)0)) { | |||
| 293 | new_key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t))); | |||
| 294 | *new_key = key; | |||
| 295 | new_name = ws_strdup(name)wmem_strdup(((void*)0), name); | |||
| 296 | if (!g_hash_table_insert(params->blf_data->channel_to_name_ht, new_key, new_name)) { | |||
| 297 | return false0; | |||
| 298 | } | |||
| 299 | } | |||
| 300 | else { | |||
| 301 | new_name = old_name; | |||
| 302 | } | |||
| 303 | ||||
| 304 | if (pkt_encap == WTAP_ENCAP_ETHERNET1) { | |||
| 305 | /* Just for Ethernet, prepare the equivalent STATUS interface */ | |||
| 306 | iface_name = new_name != NULL((void*)0) ? ws_strdup_printf("STATUS-%s", new_name)wmem_strdup_printf(((void*)0), "STATUS-%s", new_name) : NULL((void*)0); | |||
| 307 | ||||
| 308 | // We recurse here once. | |||
| 309 | ret = blf_prepare_interface_name(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, channel, hwchannel, iface_name, force_new_name); | |||
| 310 | if (iface_name) { | |||
| 311 | g_free(iface_name); | |||
| 312 | } | |||
| 313 | if (!ret) { | |||
| 314 | return false0; | |||
| 315 | } | |||
| 316 | } | |||
| 317 | ||||
| 318 | return true1; | |||
| 319 | } | |||
| 320 | ||||
| 321 | static uint32_t | |||
| 322 | blf_lookup_interface(blf_params_t *params, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) { | |||
| 323 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel); | |||
| 324 | blf_channel_to_iface_entry_t* item; | |||
| 325 | char* saved_name; | |||
| 326 | uint32_t ret; | |||
| 327 | ||||
| 328 | if (params->blf_data->channel_to_iface_ht == NULL((void*)0)) { | |||
| 329 | return 0; | |||
| 330 | } | |||
| 331 | ||||
| 332 | item = (blf_channel_to_iface_entry_t *)g_hash_table_lookup(params->blf_data->channel_to_iface_ht, &key); | |||
| 333 | ||||
| 334 | if (item != NULL((void*)0)) { | |||
| 335 | return item->interface_id; | |||
| 336 | } | |||
| 337 | else { | |||
| 338 | saved_name = (char*)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key); | |||
| 339 | ||||
| 340 | if (saved_name != NULL((void*)0)) { | |||
| 341 | ret = blf_add_interface(params, pkt_encap, channel, hwchannel, saved_name); | |||
| 342 | g_hash_table_remove(params->blf_data->channel_to_name_ht, &key); | |||
| 343 | ||||
| 344 | return ret; | |||
| 345 | } | |||
| 346 | else { | |||
| 347 | return blf_add_interface(params, pkt_encap, channel, hwchannel, name); | |||
| 348 | } | |||
| 349 | } | |||
| 350 | } | |||
| 351 | ||||
| 352 | static void | |||
| 353 | fix_endianness_blf_date(blf_date_t *date) { | |||
| 354 | date->year = GUINT16_FROM_LE(date->year)(((guint16) (date->year))); | |||
| 355 | date->month = GUINT16_FROM_LE(date->month)(((guint16) (date->month))); | |||
| 356 | date->dayofweek = GUINT16_FROM_LE(date->dayofweek)(((guint16) (date->dayofweek))); | |||
| 357 | date->day = GUINT16_FROM_LE(date->day)(((guint16) (date->day))); | |||
| 358 | date->hour = GUINT16_FROM_LE(date->hour)(((guint16) (date->hour))); | |||
| 359 | date->mins = GUINT16_FROM_LE(date->mins)(((guint16) (date->mins))); | |||
| 360 | date->sec = GUINT16_FROM_LE(date->sec)(((guint16) (date->sec))); | |||
| 361 | date->ms = GUINT16_FROM_LE(date->ms)(((guint16) (date->ms))); | |||
| 362 | } | |||
| 363 | ||||
| 364 | static void | |||
| 365 | fix_endianness_blf_fileheader(blf_fileheader_t *header) { | |||
| 366 | header->header_length = GUINT32_FROM_LE(header->header_length)(((guint32) (header->header_length))); | |||
| 367 | header->api_version = GUINT32_FROM_LE(header->api_version)(((guint32) (header->api_version))); | |||
| 368 | header->len_compressed = GUINT64_FROM_LE(header->len_compressed)(((guint64) (header->len_compressed))); | |||
| 369 | header->len_uncompressed = GUINT64_FROM_LE(header->len_uncompressed)(((guint64) (header->len_uncompressed))); | |||
| 370 | header->obj_count = GUINT32_FROM_LE(header->obj_count)(((guint32) (header->obj_count))); | |||
| 371 | header->application_build = GUINT32_FROM_LE(header->application_build)(((guint32) (header->application_build))); | |||
| 372 | fix_endianness_blf_date(&(header->start_date)); | |||
| 373 | fix_endianness_blf_date(&(header->end_date)); | |||
| 374 | header->restore_point_offset = GUINT32_FROM_LE(header->restore_point_offset)(((guint32) (header->restore_point_offset))); | |||
| 375 | } | |||
| 376 | ||||
| 377 | static void | |||
| 378 | fix_endianness_blf_blockheader(blf_blockheader_t *header) { | |||
| 379 | header->header_length = GUINT16_FROM_LE(header->header_length)(((guint16) (header->header_length))); | |||
| 380 | header->header_type = GUINT16_FROM_LE(header->header_type)(((guint16) (header->header_type))); | |||
| 381 | header->object_length = GUINT32_FROM_LE(header->object_length)(((guint32) (header->object_length))); | |||
| 382 | header->object_type = GUINT32_FROM_LE(header->object_type)(((guint32) (header->object_type))); | |||
| 383 | } | |||
| 384 | ||||
| 385 | static void | |||
| 386 | fix_endianness_blf_logcontainerheader(blf_logcontainerheader_t *header) { | |||
| 387 | header->compression_method = GUINT16_FROM_LE(header->compression_method)(((guint16) (header->compression_method))); | |||
| 388 | header->res1 = GUINT16_FROM_LE(header->res1)(((guint16) (header->res1))); | |||
| 389 | header->res2 = GUINT32_FROM_LE(header->res2)(((guint32) (header->res2))); | |||
| 390 | header->uncompressed_size = GUINT32_FROM_LE(header->uncompressed_size)(((guint32) (header->uncompressed_size))); | |||
| 391 | header->res4 = GUINT32_FROM_LE(header->res4)(((guint32) (header->res4))); | |||
| 392 | } | |||
| 393 | ||||
| 394 | static void | |||
| 395 | fix_endianness_blf_logobjectheader(blf_logobjectheader_t *header) { | |||
| 396 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); | |||
| 397 | header->client_index = GUINT16_FROM_LE(header->client_index)(((guint16) (header->client_index))); | |||
| 398 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); | |||
| 399 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); | |||
| 400 | } | |||
| 401 | ||||
| 402 | static void | |||
| 403 | fix_endianness_blf_logobjectheader2(blf_logobjectheader2_t *header) { | |||
| 404 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); | |||
| 405 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); | |||
| 406 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); | |||
| 407 | header->original_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); | |||
| 408 | } | |||
| 409 | ||||
| 410 | static void | |||
| 411 | fix_endianness_blf_logobjectheader3(blf_logobjectheader3_t *header) { | |||
| 412 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); | |||
| 413 | header->static_size = GUINT16_FROM_LE(header->static_size)(((guint16) (header->static_size))); | |||
| 414 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); | |||
| 415 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); | |||
| 416 | } | |||
| 417 | ||||
| 418 | static void | |||
| 419 | fix_endianness_blf_ethernetframeheader(blf_ethernetframeheader_t *header) { | |||
| 420 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 421 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); | |||
| 422 | header->ethtype = GUINT16_FROM_LE(header->ethtype)(((guint16) (header->ethtype))); | |||
| 423 | header->tpid = GUINT16_FROM_LE(header->tpid)(((guint16) (header->tpid))); | |||
| 424 | header->tci = GUINT16_FROM_LE(header->tci)(((guint16) (header->tci))); | |||
| 425 | header->payloadlength = GUINT16_FROM_LE(header->payloadlength)(((guint16) (header->payloadlength))); | |||
| 426 | } | |||
| 427 | ||||
| 428 | static void | |||
| 429 | fix_endianness_blf_ethernetframeheader_ex(blf_ethernetframeheader_ex_t *header) { | |||
| 430 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length))); | |||
| 431 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); | |||
| 432 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 433 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel))); | |||
| 434 | header->frame_duration = GUINT64_FROM_LE(header->frame_duration)(((guint64) (header->frame_duration))); | |||
| 435 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum))); | |||
| 436 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); | |||
| 437 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); | |||
| 438 | header->frame_handle = GUINT32_FROM_LE(header->frame_handle)(((guint32) (header->frame_handle))); | |||
| 439 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error))); | |||
| 440 | } | |||
| 441 | ||||
| 442 | static void | |||
| 443 | fix_endianness_blf_ethernet_rxerror(blf_ethernet_rxerror_t* header) { | |||
| 444 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length))); | |||
| 445 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 446 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); | |||
| 447 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel))); | |||
| 448 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum))); | |||
| 449 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); | |||
| 450 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error))); | |||
| 451 | } | |||
| 452 | ||||
| 453 | static void | |||
| 454 | fix_endianness_blf_wlanframeheader(blf_wlanframeheader_t* header) { | |||
| 455 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 456 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); | |||
| 457 | header->signal_strength = GUINT16_FROM_LE(header->signal_strength)(((guint16) (header->signal_strength))); | |||
| 458 | header->signal_quality = GUINT16_FROM_LE(header->signal_quality)(((guint16) (header->signal_quality))); | |||
| 459 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); | |||
| 460 | } | |||
| 461 | ||||
| 462 | static void | |||
| 463 | fix_endianness_blf_canmessage(blf_canmessage_t *header) { | |||
| 464 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 465 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); | |||
| 466 | } | |||
| 467 | ||||
| 468 | static void | |||
| 469 | fix_endianness_blf_canmessage2_trailer(blf_canmessage2_trailer_t *header) { | |||
| 470 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); | |||
| 471 | header->reserved2 = GUINT16_FROM_LE(header->reserved1)(((guint16) (header->reserved1))); | |||
| 472 | } | |||
| 473 | ||||
| 474 | static void | |||
| 475 | fix_endianness_blf_canfdmessage(blf_canfdmessage_t *header) { | |||
| 476 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 477 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); | |||
| 478 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); | |||
| 479 | header->reservedCanFdMessage2 = GUINT32_FROM_LE(header->reservedCanFdMessage2)(((guint32) (header->reservedCanFdMessage2))); | |||
| 480 | } | |||
| 481 | ||||
| 482 | static void | |||
| 483 | fix_endianness_blf_canfdmessage64(blf_canfdmessage64_t *header) { | |||
| 484 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); | |||
| 485 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); | |||
| 486 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); | |||
| 487 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb))); | |||
| 488 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData))); | |||
| 489 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs))); | |||
| 490 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs))); | |||
| 491 | header->bitCount = GUINT16_FROM_LE(header->bitCount)(((guint16) (header->bitCount))); | |||
| 492 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc))); | |||
| 493 | } | |||
| 494 | ||||
| 495 | static void | |||
| 496 | fix_endianness_blf_canerror(blf_canerror_t *header) { | |||
| 497 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 498 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length))); | |||
| 499 | } | |||
| 500 | ||||
| 501 | static void | |||
| 502 | fix_endianness_blf_canerrorext(blf_canerrorext_t *header) { | |||
| 503 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 504 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length))); | |||
| 505 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); | |||
| 506 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); | |||
| 507 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); | |||
| 508 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt))); | |||
| 509 | } | |||
| 510 | ||||
| 511 | static void | |||
| 512 | fix_endianness_blf_canfderror64(blf_canfderror64_t *header) { | |||
| 513 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); | |||
| 514 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt))); | |||
| 515 | header->extFlags = GUINT16_FROM_LE(header->extFlags)(((guint16) (header->extFlags))); | |||
| 516 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); | |||
| 517 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); | |||
| 518 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb))); | |||
| 519 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData))); | |||
| 520 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs))); | |||
| 521 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs))); | |||
| 522 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc))); | |||
| 523 | header->errorPosition = GUINT16_FROM_LE(header->errorPosition)(((guint16) (header->errorPosition))); | |||
| 524 | } | |||
| 525 | ||||
| 526 | static void | |||
| 527 | fix_endianness_blf_flexraydata(blf_flexraydata_t *header) { | |||
| 528 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 529 | header->messageId = GUINT16_FROM_LE(header->messageId)(((guint16) (header->messageId))); | |||
| 530 | header->crc = GUINT16_FROM_LE(header->crc)(((guint16) (header->crc))); | |||
| 531 | header->reservedFlexRayData2 = GUINT16_FROM_LE(header->reservedFlexRayData2)(((guint16) (header->reservedFlexRayData2))); | |||
| 532 | } | |||
| 533 | ||||
| 534 | static void | |||
| 535 | fix_endianness_blf_flexraymessage(blf_flexraymessage_t *header) { | |||
| 536 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 537 | header->fpgaTick = GUINT32_FROM_LE(header->fpgaTick)(((guint32) (header->fpgaTick))); | |||
| 538 | header->fpgaTickOverflow = GUINT32_FROM_LE(header->fpgaTickOverflow)(((guint32) (header->fpgaTickOverflow))); | |||
| 539 | header->clientIndexFlexRayV6Message = GUINT32_FROM_LE(header->clientIndexFlexRayV6Message)(((guint32) (header->clientIndexFlexRayV6Message))); | |||
| 540 | header->clusterTime = GUINT32_FROM_LE(header->clusterTime)(((guint32) (header->clusterTime))); | |||
| 541 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId))); | |||
| 542 | header->headerCrc = GUINT16_FROM_LE(header->headerCrc)(((guint16) (header->headerCrc))); | |||
| 543 | header->frameState = GUINT16_FROM_LE(header->frameState)(((guint16) (header->frameState))); | |||
| 544 | header->reservedFlexRayV6Message2 = GUINT16_FROM_LE(header->reservedFlexRayV6Message2)(((guint16) (header->reservedFlexRayV6Message2))); | |||
| 545 | } | |||
| 546 | ||||
| 547 | static void | |||
| 548 | fix_endianness_blf_flexrayrcvmessage(blf_flexrayrcvmessage_t *header) { | |||
| 549 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 550 | header->version = GUINT16_FROM_LE(header->version)(((guint16) (header->version))); | |||
| 551 | header->channelMask = GUINT16_FROM_LE(header->channelMask)(((guint16) (header->channelMask))); | |||
| 552 | header->dir = GUINT16_FROM_LE(header->dir)(((guint16) (header->dir))); | |||
| 553 | header->clientIndex = GUINT32_FROM_LE(header->clientIndex)(((guint32) (header->clientIndex))); | |||
| 554 | header->clusterNo = GUINT32_FROM_LE(header->clusterNo)(((guint32) (header->clusterNo))); | |||
| 555 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId))); | |||
| 556 | header->headerCrc1 = GUINT16_FROM_LE(header->headerCrc1)(((guint16) (header->headerCrc1))); | |||
| 557 | header->headerCrc2 = GUINT16_FROM_LE(header->headerCrc2)(((guint16) (header->headerCrc2))); | |||
| 558 | header->payloadLength = GUINT16_FROM_LE(header->payloadLength)(((guint16) (header->payloadLength))); | |||
| 559 | header->payloadLengthValid = GUINT16_FROM_LE(header->payloadLengthValid)(((guint16) (header->payloadLengthValid))); | |||
| 560 | header->cycle = GUINT16_FROM_LE(header->cycle)(((guint16) (header->cycle))); | |||
| 561 | header->tag = GUINT32_FROM_LE(header->tag)(((guint32) (header->tag))); | |||
| 562 | header->data = GUINT32_FROM_LE(header->data)(((guint32) (header->data))); | |||
| 563 | header->frameFlags = GUINT32_FROM_LE(header->frameFlags)(((guint32) (header->frameFlags))); | |||
| 564 | header->appParameter = GUINT32_FROM_LE(header->appParameter)(((guint32) (header->appParameter))); | |||
| 565 | /* this would be extra for ext format: | |||
| 566 | header->frameCRC = GUINT32_FROM_LE(header->frameCRC); | |||
| 567 | header->frameLengthInNs = GUINT32_FROM_LE(header->frameLengthInNs); | |||
| 568 | header->frameId1 = GUINT16_FROM_LE(header->frameId1); | |||
| 569 | header->pduOffset = GUINT16_FROM_LE(header->pduOffset); | |||
| 570 | header->blfLogMask = GUINT16_FROM_LE(header->blfLogMask); | |||
| 571 | */ | |||
| 572 | } | |||
| 573 | ||||
| 574 | static void | |||
| 575 | fix_endianness_blf_linmessage(blf_linmessage_t* message) { | |||
| 576 | message->channel = GUINT16_FROM_LE(message->channel)(((guint16) (message->channel))); | |||
| 577 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); | |||
| 578 | /* skip the optional part | |||
| 579 | message->res2 = GUINT32_FROM_LE(message->res2); | |||
| 580 | */ | |||
| 581 | } | |||
| 582 | ||||
| 583 | static void | |||
| 584 | fix_endianness_blf_linbusevent(blf_linbusevent_t* linbusevent) { | |||
| 585 | linbusevent->sof = GUINT64_FROM_LE(linbusevent->sof)(((guint64) (linbusevent->sof))); | |||
| 586 | linbusevent->eventBaudrate = GUINT32_FROM_LE(linbusevent->eventBaudrate)(((guint32) (linbusevent->eventBaudrate))); | |||
| 587 | linbusevent->channel = GUINT16_FROM_LE(linbusevent->channel)(((guint16) (linbusevent->channel))); | |||
| 588 | } | |||
| 589 | ||||
| 590 | static void | |||
| 591 | fix_endianness_blf_linsynchfieldevent(blf_linsynchfieldevent_t* linsynchfieldevent) { | |||
| 592 | fix_endianness_blf_linbusevent(&linsynchfieldevent->linBusEvent); | |||
| 593 | linsynchfieldevent->synchBreakLength = GUINT64_FROM_LE(linsynchfieldevent->synchBreakLength)(((guint64) (linsynchfieldevent->synchBreakLength))); | |||
| 594 | linsynchfieldevent->synchDelLength = GUINT64_FROM_LE(linsynchfieldevent->synchDelLength)(((guint64) (linsynchfieldevent->synchDelLength))); | |||
| 595 | } | |||
| 596 | ||||
| 597 | static void | |||
| 598 | fix_endianness_blf_linmessagedescriptor(blf_linmessagedescriptor_t* linmessagedescriptor) { | |||
| 599 | fix_endianness_blf_linsynchfieldevent(&linmessagedescriptor->linSynchFieldEvent); | |||
| 600 | linmessagedescriptor->supplierId = GUINT16_FROM_LE(linmessagedescriptor->supplierId)(((guint16) (linmessagedescriptor->supplierId))); | |||
| 601 | linmessagedescriptor->messageId = GUINT16_FROM_LE(linmessagedescriptor->messageId)(((guint16) (linmessagedescriptor->messageId))); | |||
| 602 | } | |||
| 603 | ||||
| 604 | static void | |||
| 605 | fix_endianness_blf_lindatabytetimestampevent(blf_lindatabytetimestampevent_t* lindatabytetimestampevent) { | |||
| 606 | int i; | |||
| 607 | fix_endianness_blf_linmessagedescriptor(&lindatabytetimestampevent->linMessageDescriptor); | |||
| 608 | for (i = 0; i < 9; i++) { | |||
| 609 | lindatabytetimestampevent->databyteTimestamps[i] = GUINT64_FROM_LE(lindatabytetimestampevent->databyteTimestamps[i])(((guint64) (lindatabytetimestampevent->databyteTimestamps [i]))); | |||
| 610 | } | |||
| 611 | } | |||
| 612 | ||||
| 613 | static void | |||
| 614 | fix_endianness_blf_linmessage2(blf_linmessage2_t* message) { | |||
| 615 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); | |||
| 616 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); | |||
| 617 | /* skip the optional part | |||
| 618 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); | |||
| 619 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); | |||
| 620 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); | |||
| 621 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); | |||
| 622 | */ | |||
| 623 | } | |||
| 624 | ||||
| 625 | static void | |||
| 626 | fix_endianness_blf_lincrcerror2(blf_lincrcerror2_t* message) { | |||
| 627 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); | |||
| 628 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); | |||
| 629 | /* skip the optional part | |||
| 630 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); | |||
| 631 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); | |||
| 632 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); | |||
| 633 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); | |||
| 634 | */ | |||
| 635 | } | |||
| 636 | ||||
| 637 | static void | |||
| 638 | fix_endianness_blf_linrcverror2(blf_linrcverror2_t* message) { | |||
| 639 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); | |||
| 640 | /* skip the optional part | |||
| 641 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); | |||
| 642 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); | |||
| 643 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); | |||
| 644 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); | |||
| 645 | */ | |||
| 646 | } | |||
| 647 | ||||
| 648 | static void | |||
| 649 | fix_endianness_blf_linsenderror2(blf_linsenderror2_t* message) { | |||
| 650 | fix_endianness_blf_linmessagedescriptor(&message->linMessageDescriptor); | |||
| 651 | message->eoh = GUINT64_FROM_LE(message->eoh)(((guint64) (message->eoh))); | |||
| 652 | /* skip the optional part | |||
| 653 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); | |||
| 654 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); | |||
| 655 | */ | |||
| 656 | } | |||
| 657 | ||||
| 658 | static void | |||
| 659 | fix_endianness_blf_linwakeupevent2(blf_linwakeupevent2_t* message) { | |||
| 660 | fix_endianness_blf_linbusevent(&message->linBusEvent); | |||
| 661 | } | |||
| 662 | ||||
| 663 | static void | |||
| 664 | fix_endianness_blf_apptext_header(blf_apptext_t *header) { | |||
| 665 | header->source = GUINT32_FROM_LE(header->source)(((guint32) (header->source))); | |||
| 666 | header->reservedAppText1 = GUINT32_FROM_LE(header->reservedAppText1)(((guint32) (header->reservedAppText1))); | |||
| 667 | header->textLength = GUINT32_FROM_LE(header->textLength)(((guint32) (header->textLength))); | |||
| 668 | header->reservedAppText2 = GUINT32_FROM_LE(header->reservedAppText2)(((guint32) (header->reservedAppText2))); | |||
| 669 | } | |||
| 670 | ||||
| 671 | static void | |||
| 672 | fix_endianness_blf_ethernet_status_header(blf_ethernet_status_t* header) { | |||
| 673 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 674 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); | |||
| 675 | /*uint8_t linkStatus;*/ | |||
| 676 | /*uint8_t ethernetPhy;*/ | |||
| 677 | /*uint8_t duplex;*/ | |||
| 678 | /*uint8_t mdi;*/ | |||
| 679 | /*uint8_t connector;*/ | |||
| 680 | /*uint8_t clockMode;*/ | |||
| 681 | /*uint8_t pairs;*/ | |||
| 682 | /*uint8_t hardwareChannel;*/ | |||
| 683 | header->bitrate = GUINT32_FROM_LE(header->bitrate)(((guint32) (header->bitrate))); | |||
| 684 | } | |||
| 685 | ||||
| 686 | static void | |||
| 687 | fix_endianness_blf_ethernet_phystate_header(blf_ethernet_phystate_t* header) { | |||
| 688 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); | |||
| 689 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); | |||
| 690 | } | |||
| 691 | ||||
| 692 | static void | |||
| 693 | blf_init_logcontainer(blf_log_container_t *tmp) { | |||
| 694 | tmp->infile_start_pos = 0; | |||
| 695 | tmp->infile_length = 0; | |||
| 696 | tmp->infile_data_start = 0; | |||
| 697 | tmp->real_start_pos = 0; | |||
| 698 | tmp->real_length = 0; | |||
| 699 | tmp->real_data = NULL((void*)0); | |||
| 700 | tmp->compression_method = 0; | |||
| 701 | } | |||
| 702 | ||||
| 703 | int | |||
| 704 | blf_logcontainers_cmp(const void *a, const void *b) { | |||
| 705 | const blf_log_container_t* container_a = (blf_log_container_t*)a; | |||
| 706 | const blf_log_container_t* container_b = (blf_log_container_t*)b; | |||
| 707 | ||||
| 708 | if (container_a->real_start_pos < container_b->real_start_pos) { | |||
| 709 | return -1; | |||
| 710 | } | |||
| 711 | else if (container_a->real_start_pos > container_b->real_start_pos) { | |||
| 712 | return 1; | |||
| 713 | } | |||
| 714 | else { | |||
| 715 | return 0; | |||
| 716 | } | |||
| 717 | } | |||
| 718 | ||||
| 719 | int | |||
| 720 | blf_logcontainers_search(const void *a, const void *b) { | |||
| 721 | const blf_log_container_t* container_a = (blf_log_container_t*)a; | |||
| 722 | uint64_t pos = *(uint64_t*)b; | |||
| 723 | ||||
| 724 | if (container_a->real_start_pos > pos) { | |||
| 725 | return 1; | |||
| 726 | } | |||
| 727 | else if (pos >= container_a->real_start_pos + container_a->real_length) { | |||
| 728 | return -1; | |||
| 729 | } | |||
| 730 | else { | |||
| 731 | return 0; | |||
| 732 | } | |||
| 733 | } | |||
| 734 | ||||
| 735 | /** Ensures the given log container is in memory | |||
| 736 | * | |||
| 737 | * If the log container already is not already in memory, | |||
| 738 | * it reads it from the current seek position, allocating a | |||
| 739 | * properly sized buffer. | |||
| 740 | * The file offset must be set to the start of the container | |||
| 741 | * data (container->infile_data_start) before calling this function. | |||
| 742 | */ | |||
| 743 | static bool_Bool | |||
| 744 | blf_pull_logcontainer_into_memory(blf_params_t *params, blf_log_container_t *container, int *err, char **err_info) { | |||
| 745 | ||||
| 746 | if (container == NULL((void*)0)) { | |||
| 747 | *err = WTAP_ERR_INTERNAL-21; | |||
| 748 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory called with NULL container")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory called with NULL container" ); | |||
| 749 | return false0; | |||
| 750 | } | |||
| 751 | ||||
| 752 | if (container->real_data != NULL((void*)0)) { | |||
| 753 | return true1; | |||
| 754 | } | |||
| 755 | ||||
| 756 | /* pull compressed data into buffer */ | |||
| 757 | if (container->infile_start_pos < 0) { | |||
| 758 | /* | |||
| 759 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a | |||
| 760 | * malformed file (WTAP_ERR_BAD_FILE)? | |||
| 761 | */ | |||
| 762 | *err = WTAP_ERR_INTERNAL-21; | |||
| 763 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_start_pos (%" PRId64 ") < 0",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_start_pos (%" "l" "d" ") < 0", container->infile_start_pos) | |||
| 764 | container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_start_pos (%" "l" "d" ") < 0", container->infile_start_pos); | |||
| 765 | return false0; | |||
| 766 | } | |||
| 767 | if (container->infile_data_start < (uint64_t)container->infile_start_pos) { | |||
| 768 | /* | |||
| 769 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a | |||
| 770 | * malformed file (WTAP_ERR_BAD_FILE)? | |||
| 771 | */ | |||
| 772 | *err = WTAP_ERR_INTERNAL-21; | |||
| 773 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_data_start (%" PRIu64 ") < container.infile_start_pos (%" PRId64 ")",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_data_start (%" "l" "u" ") < container.infile_start_pos (%" "l" "d" ")", container ->infile_data_start, container->infile_start_pos) | |||
| 774 | container->infile_data_start, container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_data_start (%" "l" "u" ") < container.infile_start_pos (%" "l" "d" ")", container ->infile_data_start, container->infile_start_pos); | |||
| 775 | return false0; | |||
| 776 | } | |||
| 777 | if (container->infile_length < container->infile_data_start - (uint64_t)container->infile_start_pos) { | |||
| 778 | /* | |||
| 779 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a | |||
| 780 | * malformed file (WTAP_ERR_BAD_FILE)? | |||
| 781 | */ | |||
| 782 | *err = WTAP_ERR_INTERNAL-21; | |||
| 783 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_length (%" PRIu64 ") < (container.infile_data_start (%" PRIu64 ") - container.infile_start_pos (%" PRId64 ")) = %" PRIu64,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) | |||
| 784 | container->infile_length,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) | |||
| 785 | container->infile_data_start, container->infile_start_pos,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) | |||
| 786 | container->infile_data_start - (uint64_t)container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ); | |||
| 787 | return false0; | |||
| 788 | } | |||
| 789 | uint64_t data_length = container->infile_length - (container->infile_data_start - (uint64_t)container->infile_start_pos); | |||
| 790 | if (data_length > UINT_MAX(2147483647 *2U +1U)) { | |||
| 791 | /* | |||
| 792 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a | |||
| 793 | * malformed file (WTAP_ERR_BAD_FILE)? | |||
| 794 | */ | |||
| 795 | *err = WTAP_ERR_INTERNAL-21; | |||
| 796 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: data_length (%" PRIu64 ") > UINT_MAX",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: data_length (%" "l" "u" ") > UINT_MAX", data_length) | |||
| 797 | data_length)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: data_length (%" "l" "u" ") > UINT_MAX", data_length); | |||
| 798 | return false0; | |||
| 799 | } | |||
| 800 | ||||
| 801 | if (container->real_length == 0) { | |||
| 802 | ws_info("blf_pull_logcontainer_into_memory: found container with 0 length")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_INFO, ((void*) 0), -1, ((void*)0), "blf_pull_logcontainer_into_memory: found container with 0 length" ); } } while (0); | |||
| 803 | /* Skip empty container */ | |||
| 804 | if (!wtap_read_bytes_or_eof(params->fh, NULL((void*)0), (unsigned int)data_length, err, err_info)) { | |||
| 805 | if (*err == WTAP_ERR_SHORT_READ-12) { | |||
| 806 | /* | |||
| 807 | * XXX - our caller will turn this into an EOF. | |||
| 808 | * How *should* it be treated? | |||
| 809 | * For now, we turn it into Yet Another Internal Error, | |||
| 810 | * pending having better documentation of the file | |||
| 811 | * format. | |||
| 812 | */ | |||
| 813 | *err = WTAP_ERR_INTERNAL-21; | |||
| 814 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on 0-length container")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on 0-length container" ); | |||
| 815 | } | |||
| 816 | return false0; | |||
| 817 | } | |||
| 818 | return true1; | |||
| 819 | } | |||
| 820 | ||||
| 821 | if (container->compression_method == BLF_COMPRESSION_NONE0) { | |||
| 822 | unsigned char* buf = g_try_malloc((size_t)container->real_length); | |||
| 823 | if (buf == NULL((void*)0)) { | |||
| 824 | *err = WTAP_ERR_INTERNAL-21; | |||
| 825 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" ); | |||
| 826 | return false0; | |||
| 827 | } | |||
| 828 | if (!wtap_read_bytes_or_eof(params->fh, buf, (unsigned int)data_length, err, err_info)) { | |||
| 829 | g_free(buf); | |||
| 830 | if (*err == WTAP_ERR_SHORT_READ-12) { | |||
| 831 | /* | |||
| 832 | * XXX - our caller will turn this into an EOF. | |||
| 833 | * How *should* it be treated? | |||
| 834 | * For now, we turn it into Yet Another Internal Error, | |||
| 835 | * pending having better documentation of the file | |||
| 836 | * format. | |||
| 837 | */ | |||
| 838 | *err = WTAP_ERR_INTERNAL-21; | |||
| 839 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on uncompressed data")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on uncompressed data" ); | |||
| 840 | } | |||
| 841 | return false0; | |||
| 842 | } | |||
| 843 | container->real_data = buf; | |||
| 844 | return true1; | |||
| 845 | ||||
| 846 | } | |||
| 847 | else if (container->compression_method == BLF_COMPRESSION_ZLIB2) { | |||
| 848 | #ifdef USE_ZLIB_OR_ZLIBNG | |||
| 849 | unsigned char *compressed_data = g_try_malloc((size_t)data_length); | |||
| 850 | if (compressed_data == NULL((void*)0)) { | |||
| 851 | *err = WTAP_ERR_INTERNAL-21; | |||
| 852 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" ); | |||
| 853 | return false0; | |||
| 854 | } | |||
| 855 | if (!wtap_read_bytes_or_eof(params->fh, compressed_data, (unsigned int)data_length, err, err_info)) { | |||
| 856 | g_free(compressed_data); | |||
| 857 | if (*err == WTAP_ERR_SHORT_READ-12) { | |||
| 858 | /* | |||
| 859 | * XXX - our caller will turn this into an EOF. | |||
| 860 | * How *should* it be treated? | |||
| 861 | * For now, we turn it into Yet Another Internal Error, | |||
| 862 | * pending having better documentation of the file | |||
| 863 | * format. | |||
| 864 | */ | |||
| 865 | *err = WTAP_ERR_INTERNAL-21; | |||
| 866 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on compressed data")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on compressed data" ); | |||
| 867 | } | |||
| 868 | return false0; | |||
| 869 | } | |||
| 870 | ||||
| 871 | unsigned char *buf = g_try_malloc((size_t)container->real_length); | |||
| 872 | if (buf == NULL((void*)0)) { | |||
| 873 | g_free(compressed_data); | |||
| 874 | *err = WTAP_ERR_INTERNAL-21; | |||
| 875 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" ); | |||
| 876 | return false0; | |||
| 877 | } | |||
| 878 | zlib_stream infstream = {0}; | |||
| 879 | ||||
| 880 | infstream.avail_in = (unsigned int)data_length; | |||
| 881 | infstream.next_in = compressed_data; | |||
| 882 | infstream.avail_out = (unsigned int)container->real_length; | |||
| 883 | infstream.next_out = buf; | |||
| 884 | ||||
| 885 | /* the actual DE-compression work. */ | |||
| 886 | if (Z_OK0 != ZLIB_PREFIX(inflateInit)(&infstream)inflateInit_((&infstream), "1.3", (int)sizeof(z_stream))) { | |||
| 887 | /* | |||
| 888 | * XXX - check the error code and handle this appropriately. | |||
| 889 | */ | |||
| 890 | g_free(buf); | |||
| 891 | g_free(compressed_data); | |||
| 892 | *err = WTAP_ERR_INTERNAL-21; | |||
| 893 | if (infstream.msg != NULL((void*)0)) { | |||
| 894 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg) | |||
| 895 | infstream.msg)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg); | |||
| 896 | } else { | |||
| 897 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer" ); | |||
| 898 | } | |||
| 899 | ws_debug("inflateInit failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 899, __func__, "inflateInit failed for LogContainer"); } } while (0); | |||
| 900 | if (infstream.msg != NULL((void*)0)) { | |||
| 901 | ws_debug("inflateInit returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 901, __func__, "inflateInit returned: \"%s\"", infstream.msg ); } } while (0); | |||
| 902 | } | |||
| 903 | return false0; | |||
| 904 | } | |||
| 905 | ||||
| 906 | int ret = ZLIB_PREFIX(inflate)inflate(&infstream, Z_NO_FLUSH0); | |||
| 907 | /* Z_OK should not happen here since we know how big the buffer should be */ | |||
| 908 | if (Z_STREAM_END1 != ret) { | |||
| 909 | switch (ret) { | |||
| 910 | ||||
| 911 | case Z_NEED_DICT2: | |||
| 912 | *err = WTAP_ERR_DECOMPRESS-20; | |||
| 913 | *err_info = ws_strdup("preset dictionary needed")wmem_strdup(((void*)0), "preset dictionary needed"); | |||
| 914 | break; | |||
| 915 | ||||
| 916 | case Z_STREAM_ERROR(-2): | |||
| 917 | *err = WTAP_ERR_INTERNAL-21; | |||
| 918 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") | |||
| 919 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); | |||
| 920 | break; | |||
| 921 | ||||
| 922 | case Z_MEM_ERROR(-4): | |||
| 923 | /* This means "not enough memory". */ | |||
| 924 | *err = ENOMEM12; | |||
| 925 | *err_info = NULL((void*)0); | |||
| 926 | break; | |||
| 927 | ||||
| 928 | case Z_DATA_ERROR(-3): | |||
| 929 | /* This means "deflate stream invalid" */ | |||
| 930 | *err = WTAP_ERR_DECOMPRESS-20; | |||
| 931 | *err_info = (infstream.msg != NULL((void*)0)) ? ws_strdup(infstream.msg)wmem_strdup(((void*)0), infstream.msg) : NULL((void*)0); | |||
| 932 | break; | |||
| 933 | ||||
| 934 | case Z_BUF_ERROR(-5): | |||
| 935 | /* XXX - this is recoverable; what should we do here? */ | |||
| 936 | *err = WTAP_ERR_INTERNAL-21; | |||
| 937 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") | |||
| 938 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); | |||
| 939 | break; | |||
| 940 | ||||
| 941 | case Z_VERSION_ERROR(-6): | |||
| 942 | *err = WTAP_ERR_INTERNAL-21; | |||
| 943 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") | |||
| 944 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); | |||
| 945 | break; | |||
| 946 | ||||
| 947 | default: | |||
| 948 | *err = WTAP_ERR_INTERNAL-21; | |||
| 949 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ) | |||
| 950 | ret,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ) | |||
| 951 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ); | |||
| 952 | break; | |||
| 953 | } | |||
| 954 | g_free(buf); | |||
| 955 | g_free(compressed_data); | |||
| 956 | ws_debug("inflate failed (return code %d) for LogContainer", ret)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 956, __func__, "inflate failed (return code %d) for LogContainer" , ret); } } while (0); | |||
| 957 | if (infstream.msg != NULL((void*)0)) { | |||
| 958 | ws_debug("inflate returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 958, __func__, "inflate returned: \"%s\"", infstream.msg); } } while (0); | |||
| 959 | } | |||
| 960 | /* Free up any dynamically-allocated memory in infstream */ | |||
| 961 | ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream); | |||
| 962 | return false0; | |||
| 963 | } | |||
| 964 | ||||
| 965 | if (Z_OK0 != ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream)) { | |||
| 966 | /* | |||
| 967 | * The zlib manual says this only returns Z_OK on success | |||
| 968 | * and Z_STREAM_ERROR if the stream state was inconsistent. | |||
| 969 | * | |||
| 970 | * It's not clear what useful information can be reported | |||
| 971 | * for Z_STREAM_ERROR; a look at the 1.2.11 source indicates | |||
| 972 | * that no string is returned to indicate what the problem | |||
| 973 | * was. | |||
| 974 | * | |||
| 975 | * It's also not clear what to do about infstream if this | |||
| 976 | * fails. | |||
| 977 | */ | |||
| 978 | *err = WTAP_ERR_INTERNAL-21; | |||
| 979 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: inflateEnd failed for LogContainer")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: inflateEnd failed for LogContainer" ); | |||
| 980 | g_free(buf); | |||
| 981 | g_free(compressed_data); | |||
| 982 | ws_debug("inflateEnd failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 982, __func__, "inflateEnd failed for LogContainer"); } } while (0); | |||
| 983 | if (infstream.msg != NULL((void*)0)) { | |||
| 984 | ws_debug("inflateEnd returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 984, __func__, "inflateEnd returned: \"%s\"", infstream.msg ); } } while (0); | |||
| 985 | } | |||
| 986 | return false0; | |||
| 987 | } | |||
| 988 | ||||
| 989 | g_free(compressed_data); | |||
| 990 | container->real_data = buf; | |||
| 991 | return true1; | |||
| 992 | #else /* USE_ZLIB_OR_ZLIBNG */ | |||
| 993 | (void) params; | |||
| 994 | *err = WTAP_ERR_DECOMPRESSION_NOT_SUPPORTED-26; | |||
| 995 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: reading gzip-compressed containers isn't supported")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: reading gzip-compressed containers isn't supported" ); | |||
| 996 | return false0; | |||
| 997 | #endif /* USE_ZLIB_OR_ZLIBNG */ | |||
| 998 | } | |||
| 999 | ||||
| 1000 | return false0; | |||
| 1001 | } | |||
| 1002 | ||||
| 1003 | /** Finds the next log container starting at the current file offset | |||
| 1004 | * | |||
| 1005 | * Adds the container to the containers array for later access | |||
| 1006 | */ | |||
| 1007 | static bool_Bool | |||
| 1008 | blf_find_next_logcontainer(blf_params_t* params, int* err, char** err_info) { | |||
| 1009 | blf_blockheader_t header; | |||
| 1010 | blf_logcontainerheader_t logcontainer_header; | |||
| 1011 | blf_log_container_t tmp; | |||
| 1012 | unsigned char* header_ptr; | |||
| 1013 | unsigned int i; | |||
| 1014 | ||||
| 1015 | uint64_t current_real_start; | |||
| 1016 | if (params->blf_data->log_containers->len == 0) { | |||
| 1017 | current_real_start = 0; | |||
| 1018 | } | |||
| 1019 | else { | |||
| 1020 | const blf_log_container_t* container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, params->blf_data->log_containers->len - 1)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(params->blf_data->log_containers->len - 1)]); | |||
| 1021 | current_real_start = container->real_start_pos + container->real_length; | |||
| 1022 | } | |||
| 1023 | ||||
| 1024 | header_ptr = (unsigned char*)&header; | |||
| 1025 | i = 0; | |||
| 1026 | ||||
| 1027 | /** Find Object | |||
| 1028 | * | |||
| 1029 | * We read one byte at a time so that we don't have to seek backward (allows us to do a linear read) | |||
| 1030 | */ | |||
| 1031 | while (i < sizeof(blf_obj_magic)) { | |||
| 1032 | if (!wtap_read_bytes_or_eof(params->fh, &header_ptr[i], 1, err, err_info)) { | |||
| 1033 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1033, __func__, "we found end of file"); } } while (0); | |||
| 1034 | return false0; | |||
| 1035 | } | |||
| 1036 | if (header_ptr[i] != blf_obj_magic[i]) { | |||
| 1037 | if (params->pipe) { | |||
| 1038 | ws_debug("container object magic is not LOBJ")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1038, __func__, "container object magic is not LOBJ"); } } while (0); | |||
| 1039 | } | |||
| 1040 | else { | |||
| 1041 | ws_debug("container object magic is not LOBJ (pos: 0x%" PRIx64 ")", file_tell(params->fh) - 1)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1041, __func__, "container object magic is not LOBJ (pos: 0x%" "l" "x" ")", file_tell(params->fh) - 1); } } while (0); | |||
| 1042 | } | |||
| 1043 | if (i > 0) { | |||
| 1044 | int j = i; | |||
| 1045 | ||||
| 1046 | while (memcmp(&header_ptr[i - j + 1], blf_obj_magic, j)) { | |||
| 1047 | /* Check if the last j bytes match the first j bytes of the magic */ | |||
| 1048 | j--; | |||
| 1049 | } | |||
| 1050 | ||||
| 1051 | /* The last j bytes match, and the first j bytes are already in the buffer, since j<=i */ | |||
| 1052 | i = j; | |||
| 1053 | } | |||
| 1054 | } | |||
| 1055 | else { | |||
| 1056 | /* Character matches */ | |||
| 1057 | i++; | |||
| 1058 | } | |||
| 1059 | } | |||
| 1060 | ||||
| 1061 | if (!wtap_read_bytes_or_eof(params->fh, &header.header_length, sizeof(blf_blockheader_t) - sizeof(blf_obj_magic), err, err_info)) { | |||
| 1062 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1062, __func__, "we found end of file"); } } while (0); | |||
| 1063 | return false0; | |||
| 1064 | } | |||
| 1065 | ||||
| 1066 | fix_endianness_blf_blockheader(&header); | |||
| 1067 | ||||
| 1068 | if (header.header_length < sizeof(blf_blockheader_t)) { | |||
| 1069 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1070 | *err_info = ws_strdup("blf: header length too short while looking for object")wmem_strdup(((void*)0), "blf: header length too short while looking for object" ); | |||
| 1071 | return false0; | |||
| 1072 | } | |||
| 1073 | ||||
| 1074 | if (header.header_type != BLF_HEADER_TYPE_DEFAULT1) { | |||
| 1075 | *err = WTAP_ERR_UNSUPPORTED-4; | |||
| 1076 | *err_info = ws_strdup_printf("blf: unknown header type (%u), I know only BLF_HEADER_TYPE_DEFAULT (1)", header.header_type)wmem_strdup_printf(((void*)0), "blf: unknown header type (%u), I know only BLF_HEADER_TYPE_DEFAULT (1)" , header.header_type); | |||
| 1077 | return false0; | |||
| 1078 | } | |||
| 1079 | ||||
| 1080 | if (header.object_length < header.header_length) { | |||
| 1081 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1082 | *err_info = ws_strdup("blf: header object length less than header length while looking for objects")wmem_strdup(((void*)0), "blf: header object length less than header length while looking for objects" ); | |||
| 1083 | return false0; | |||
| 1084 | } | |||
| 1085 | ||||
| 1086 | if (header.object_type == BLF_OBJTYPE_LOG_CONTAINER10) { | |||
| 1087 | /* skip unknown header part if needed */ | |||
| 1088 | if (header.header_length > sizeof(blf_blockheader_t)) { | |||
| 1089 | /* seek over unknown header part */ | |||
| 1090 | if (!wtap_read_bytes(params->fh, NULL((void*)0), header.header_length - sizeof(blf_blockheader_t), err, err_info)) { | |||
| 1091 | ws_debug("error skipping unknown header bytes in log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1091, __func__, "error skipping unknown header bytes in log container" ); } } while (0); | |||
| 1092 | return false0; | |||
| 1093 | } | |||
| 1094 | } | |||
| 1095 | ||||
| 1096 | /* Read the log container header */ | |||
| 1097 | if (!wtap_read_bytes_or_eof(params->fh, &logcontainer_header, sizeof(blf_logcontainerheader_t), err, err_info)) { | |||
| 1098 | ws_debug("not enough bytes for log container header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1098, __func__, "not enough bytes for log container header" ); } } while (0); | |||
| 1099 | return false0; | |||
| 1100 | } | |||
| 1101 | ||||
| 1102 | fix_endianness_blf_logcontainerheader(&logcontainer_header); | |||
| 1103 | ||||
| 1104 | blf_init_logcontainer(&tmp); | |||
| 1105 | ||||
| 1106 | if (params->pipe) { | |||
| 1107 | tmp.infile_start_pos = 0; | |||
| 1108 | tmp.infile_data_start = sizeof(blf_logcontainerheader_t) + header.header_length; | |||
| 1109 | } | |||
| 1110 | else { | |||
| 1111 | tmp.infile_data_start = file_tell(params->fh); | |||
| 1112 | tmp.infile_start_pos = tmp.infile_data_start - sizeof(blf_logcontainerheader_t) - header.header_length; | |||
| 1113 | } | |||
| 1114 | tmp.infile_length = header.object_length; | |||
| 1115 | ||||
| 1116 | tmp.real_start_pos = current_real_start; | |||
| 1117 | tmp.real_length = logcontainer_header.uncompressed_size; | |||
| 1118 | tmp.compression_method = logcontainer_header.compression_method; | |||
| 1119 | ||||
| 1120 | ws_debug("found log container with real_pos=0x%" PRIx64 ", real_length=0x%" PRIx64, tmp.real_start_pos, tmp.real_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1120, __func__, "found log container with real_pos=0x%" "l" "x" ", real_length=0x%" "l" "x", tmp.real_start_pos, tmp.real_length ); } } while (0); | |||
| 1121 | } | |||
| 1122 | else { | |||
| 1123 | ws_debug("found BLF object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1123, __func__, "found BLF object without log container"); } } while (0); | |||
| 1124 | ||||
| 1125 | /* Create a fake log container for the lone object. | |||
| 1126 | * In order to avoid seeking backwards, we need to pull the fake log container now. | |||
| 1127 | */ | |||
| 1128 | unsigned char* buf = g_try_malloc((size_t)header.object_length); | |||
| 1129 | if (buf == NULL((void*)0)) { | |||
| 1130 | /* | |||
| 1131 | * XXX - we need an "out of memory" error code here. | |||
| 1132 | */ | |||
| 1133 | *err = WTAP_ERR_INTERNAL-21; | |||
| 1134 | *err_info = ws_strdup("blf_find_next_logcontainer: cannot allocate memory")wmem_strdup(((void*)0), "blf_find_next_logcontainer: cannot allocate memory" ); | |||
| 1135 | return false0; | |||
| 1136 | } | |||
| 1137 | ||||
| 1138 | memcpy(buf, &header, sizeof(blf_blockheader_t)); | |||
| 1139 | ||||
| 1140 | if (header.object_length > sizeof(blf_blockheader_t)) { | |||
| 1141 | if (!wtap_read_bytes(params->fh, buf + sizeof(blf_blockheader_t), header.object_length - sizeof(blf_blockheader_t), err, err_info)) { | |||
| 1142 | g_free(buf); | |||
| 1143 | ws_debug("cannot pull object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1143, __func__, "cannot pull object without log container") ; } } while (0); | |||
| 1144 | return false0; | |||
| 1145 | } | |||
| 1146 | } | |||
| 1147 | ||||
| 1148 | blf_init_logcontainer(&tmp); | |||
| 1149 | ||||
| 1150 | tmp.infile_start_pos = params->pipe ? 0 : (file_tell(params->fh) - header.object_length); | |||
| 1151 | tmp.infile_data_start = tmp.infile_start_pos; | |||
| 1152 | tmp.infile_length = header.object_length; | |||
| 1153 | ||||
| 1154 | tmp.real_start_pos = current_real_start; | |||
| 1155 | tmp.real_length = header.object_length; | |||
| 1156 | tmp.compression_method = BLF_COMPRESSION_NONE0; | |||
| 1157 | ||||
| 1158 | tmp.real_data = buf; | |||
| 1159 | ||||
| 1160 | ws_debug("found non-log-container object with real_pos=0x%" PRIx64 ", real_length=0x%" PRIx64, tmp.real_start_pos, tmp.real_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1160, __func__, "found non-log-container object with real_pos=0x%" "l" "x" ", real_length=0x%" "l" "x", tmp.real_start_pos, tmp .real_length); } } while (0); | |||
| 1161 | } | |||
| 1162 | ||||
| 1163 | g_array_append_val(params->blf_data->log_containers, tmp)g_array_append_vals (params->blf_data->log_containers, & (tmp), 1); | |||
| 1164 | ||||
| 1165 | return true1; | |||
| 1166 | } | |||
| 1167 | ||||
| 1168 | static bool_Bool | |||
| 1169 | // NOLINTNEXTLINE(misc-no-recursion) | |||
| 1170 | blf_pull_next_logcontainer(blf_params_t* params, int* err, char** err_info) { | |||
| 1171 | blf_log_container_t* container; | |||
| 1172 | ||||
| 1173 | if (!blf_find_next_logcontainer(params, err, err_info)) { | |||
| 1174 | return false0; | |||
| 1175 | } | |||
| 1176 | ||||
| 1177 | /* Is there a next log container to pull? */ | |||
| 1178 | if (params->blf_data->log_containers->len == 0) { | |||
| 1179 | /* No. */ | |||
| 1180 | return false0; | |||
| 1181 | } | |||
| 1182 | ||||
| 1183 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, params->blf_data->log_containers->len - 1)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(params->blf_data->log_containers->len - 1)]); | |||
| 1184 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) { | |||
| 1185 | if (*err == WTAP_ERR_DECOMPRESS-20) { | |||
| 1186 | report_warning("Error while decompressing BLF log container number %u (file pos. 0x%" PRIx64"l" "x" "): %s", | |||
| 1187 | params->blf_data->log_containers->len - 1, container->infile_start_pos, *err_info ? *err_info : "(none)"); | |||
| 1188 | *err = 0; | |||
| 1189 | g_free(*err_info); | |||
| 1190 | *err_info = NULL((void*)0); | |||
| 1191 | ||||
| 1192 | /* Skip this log container and try to get the next one. */ | |||
| 1193 | g_array_remove_index(params->blf_data->log_containers, params->blf_data->log_containers->len - 1); | |||
| 1194 | /* Calling blf_pull_logcontainer_into_memory advances the file pointer. Eventually we will reach the end of the file and stop recursing. */ | |||
| 1195 | return blf_pull_next_logcontainer(params, err, err_info); | |||
| 1196 | } | |||
| 1197 | ||||
| 1198 | return false0; | |||
| 1199 | } | |||
| 1200 | ||||
| 1201 | return true1; | |||
| 1202 | } | |||
| 1203 | ||||
| 1204 | static bool_Bool | |||
| 1205 | blf_read_bytes_or_eof(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) { | |||
| 1206 | blf_log_container_t* container; | |||
| 1207 | unsigned container_index; | |||
| 1208 | ||||
| 1209 | uint64_t end_pos = real_pos + count; | |||
| 1210 | ||||
| 1211 | uint64_t copied = 0; | |||
| 1212 | uint64_t data_left; | |||
| 1213 | uint64_t start_in_buf; | |||
| 1214 | ||||
| 1215 | unsigned char *buf = (unsigned char *)target_buffer; | |||
| 1216 | ||||
| 1217 | if (count == 0) { | |||
| 1218 | ws_debug("called blf_read_bytes_or_eof with 0 count")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1218, __func__, "called blf_read_bytes_or_eof with 0 count" ); } } while (0); | |||
| 1219 | return false0; | |||
| 1220 | } | |||
| 1221 | ||||
| 1222 | if (count > UINT32_MAX(4294967295U)) { | |||
| 1223 | ws_debug("trying to read too many bytes")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1223, __func__, "trying to read too many bytes"); } } while (0); | |||
| 1224 | return false0; | |||
| 1225 | } | |||
| 1226 | ||||
| 1227 | if (params->random) { | |||
| 1228 | /* | |||
| 1229 | * Do a binary search for the container in which real_pos | |||
| 1230 | * is included. | |||
| 1231 | */ | |||
| 1232 | if (!g_array_binary_search(params->blf_data->log_containers, &real_pos, blf_logcontainers_search, &container_index)) { | |||
| 1233 | /* | |||
| 1234 | * XXX - why is this treated as an EOF rather than an error? | |||
| 1235 | * *err appears to be 0, which means our caller treats it as an | |||
| 1236 | * EOF, at least when reading the log object header. | |||
| 1237 | */ | |||
| 1238 | ws_debug("cannot read data because start position cannot be mapped")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1238, __func__, "cannot read data because start position cannot be mapped" ); } } while (0); | |||
| 1239 | return false0; | |||
| 1240 | } | |||
| 1241 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(container_index)]); | |||
| 1242 | } | |||
| 1243 | else { | |||
| 1244 | if (params->blf_data->log_containers->len == 0) { | |||
| 1245 | /* | |||
| 1246 | * This is the first (linear) pass, and we haven't yet | |||
| 1247 | * added any containers. Pull the next log container | |||
| 1248 | * into memory, so that the array isn't empty. | |||
| 1249 | */ | |||
| 1250 | if (!blf_pull_next_logcontainer(params, err, err_info)) { | |||
| 1251 | return false0; | |||
| 1252 | } | |||
| 1253 | } | |||
| 1254 | ||||
| 1255 | /* | |||
| 1256 | * Search backwards in the array, from the last entry to the | |||
| 1257 | * first, to find the log container in which real_pos is | |||
| 1258 | * included. | |||
| 1259 | */ | |||
| 1260 | container_index = params->blf_data->log_containers->len; | |||
| 1261 | do { | |||
| 1262 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, --container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(--container_index)]); | |||
| 1263 | } while (real_pos < container->real_start_pos && container_index > 0); /* For some reason we skipped past the correct container */ | |||
| 1264 | } | |||
| 1265 | ||||
| 1266 | while (real_pos < end_pos) { | |||
| 1267 | ||||
| 1268 | while (real_pos >= container->real_start_pos + container->real_length) { | |||
| 1269 | container_index++; | |||
| 1270 | if (!params->random) { /* First (linear) pass */ | |||
| 1271 | if (!blf_pull_next_logcontainer(params, err, err_info)) { | |||
| 1272 | return false0; | |||
| 1273 | } | |||
| 1274 | } | |||
| 1275 | if (container_index >= params->blf_data->log_containers->len) { | |||
| 1276 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1276, __func__, "cannot find real_pos in container"); } } while (0); | |||
| 1277 | return false0; | |||
| 1278 | } | |||
| 1279 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(container_index)]); | |||
| 1280 | if (real_pos < container->real_start_pos) { | |||
| 1281 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1281, __func__, "cannot find real_pos in container"); } } while (0); | |||
| 1282 | return false0; | |||
| 1283 | } | |||
| 1284 | } | |||
| 1285 | ||||
| 1286 | if (real_pos < container->real_start_pos) { | |||
| 1287 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1287, __func__, "cannot find real_pos in container"); } } while (0); | |||
| 1288 | return false0; | |||
| 1289 | } | |||
| 1290 | ||||
| 1291 | start_in_buf = real_pos - container->real_start_pos; | |||
| 1292 | ||||
| 1293 | if (params->random) { | |||
| 1294 | if (file_seek(params->fh, container->infile_data_start, SEEK_SET0, err) == -1) { | |||
| 1295 | return false0; | |||
| 1296 | } | |||
| 1297 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) { | |||
| 1298 | return false0; | |||
| 1299 | } | |||
| 1300 | } | |||
| 1301 | ||||
| 1302 | data_left = container->real_length - start_in_buf; | |||
| 1303 | ||||
| 1304 | if (data_left < (count - copied)) { | |||
| 1305 | memcpy(buf + copied, container->real_data + start_in_buf, data_left); | |||
| 1306 | copied += data_left; | |||
| 1307 | real_pos += data_left; | |||
| 1308 | } | |||
| 1309 | else { | |||
| 1310 | memcpy(buf + copied, container->real_data + start_in_buf, count - copied); | |||
| 1311 | return true1; | |||
| 1312 | } | |||
| 1313 | ||||
| 1314 | } | |||
| 1315 | ||||
| 1316 | /* | |||
| 1317 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a | |||
| 1318 | * malformed file (WTAP_ERR_BAD_FILE)? | |||
| 1319 | */ | |||
| 1320 | *err = WTAP_ERR_INTERNAL-21; | |||
| 1321 | *err_info = ws_strdup("blf_read_bytes_or_eof: ran out of containers")wmem_strdup(((void*)0), "blf_read_bytes_or_eof: ran out of containers" ); | |||
| 1322 | return false0; | |||
| 1323 | } | |||
| 1324 | ||||
| 1325 | static bool_Bool | |||
| 1326 | blf_read_bytes(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) { | |||
| 1327 | if (!blf_read_bytes_or_eof(params, real_pos, target_buffer, count, err, err_info)) { | |||
| 1328 | if (*err == 0) { | |||
| 1329 | *err = WTAP_ERR_SHORT_READ-12; | |||
| 1330 | } | |||
| 1331 | return false0; | |||
| 1332 | } | |||
| 1333 | return true1; | |||
| 1334 | } | |||
| 1335 | ||||
| 1336 | static void | |||
| 1337 | blf_init_rec(blf_params_t *params, uint32_t flags, uint64_t object_timestamp, int pkt_encap, uint16_t channel, uint16_t hwchannel, unsigned caplen, unsigned len) { | |||
| 1338 | wtap_setup_packet_rec(params->rec, pkt_encap); | |||
| 1339 | params->rec->block = wtap_block_create(WTAP_BLOCK_PACKET); | |||
| 1340 | params->rec->presence_flags = WTAP_HAS_CAP_LEN0x00000002 | WTAP_HAS_INTERFACE_ID0x00000004; | |||
| 1341 | params->rec->ts_rel_cap_valid = false0; | |||
| 1342 | switch (flags) { | |||
| 1343 | case BLF_TIMESTAMP_RESOLUTION_10US1: | |||
| 1344 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001; | |||
| 1345 | params->rec->tsprec = WTAP_TSPREC_10_USEC5; | |||
| 1346 | object_timestamp *= 10000; | |||
| 1347 | object_timestamp += params->blf_data->start_offset_ns; | |||
| 1348 | params->rec->ts_rel_cap_valid = true1; | |||
| 1349 | break; | |||
| 1350 | ||||
| 1351 | case BLF_TIMESTAMP_RESOLUTION_1NS2: | |||
| 1352 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001; | |||
| 1353 | params->rec->tsprec = WTAP_TSPREC_NSEC9; | |||
| 1354 | object_timestamp += params->blf_data->start_offset_ns; | |||
| 1355 | params->rec->ts_rel_cap_valid = true1; | |||
| 1356 | break; | |||
| 1357 | ||||
| 1358 | default: | |||
| 1359 | /* Metadata objects have both flags and timestamp equal to zero, so that combination is not an error. */ | |||
| 1360 | if (flags != 0 || object_timestamp != 0) { | |||
| 1361 | /* | |||
| 1362 | * XXX - report this as an error? | |||
| 1363 | * | |||
| 1364 | * Or provide a mechanism to allow file readers to report | |||
| 1365 | * a warning (an error that the reader tries to work | |||
| 1366 | * around and that the caller should report)? | |||
| 1367 | */ | |||
| 1368 | ws_debug("Unknown combination of flags and timestamp (0x%x, %" PRIu64 ")", flags, object_timestamp)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1368, __func__, "Unknown combination of flags and timestamp (0x%x, %" "l" "u" ")", flags, object_timestamp); } } while (0); | |||
| 1369 | object_timestamp = 0; | |||
| 1370 | } | |||
| 1371 | break; | |||
| 1372 | } | |||
| 1373 | params->rec->ts.secs = object_timestamp / (1000 * 1000 * 1000); | |||
| 1374 | params->rec->ts.nsecs = object_timestamp % (1000 * 1000 * 1000); | |||
| 1375 | params->rec->rec_header.packet_header.caplen = caplen; | |||
| 1376 | params->rec->rec_header.packet_header.len = len; | |||
| 1377 | ||||
| 1378 | nstime_t tmp_ts; | |||
| 1379 | tmp_ts.secs = params->blf_data->start_offset_ns / (1000 * 1000 * 1000); | |||
| 1380 | tmp_ts.nsecs = params->blf_data->start_offset_ns % (1000 * 1000 * 1000); | |||
| 1381 | nstime_delta(¶ms->rec->ts_rel_cap, ¶ms->rec->ts, &tmp_ts); | |||
| 1382 | ||||
| 1383 | params->rec->rec_header.packet_header.interface_id = blf_lookup_interface(params, pkt_encap, channel, hwchannel, NULL((void*)0)); | |||
| 1384 | ||||
| 1385 | /* TODO: before we had to remove comments and verdict here to not leak memory but APIs have changed ... */ | |||
| 1386 | } | |||
| 1387 | ||||
| 1388 | static void | |||
| 1389 | blf_add_direction_option(blf_params_t *params, uint16_t direction) { | |||
| 1390 | uint32_t tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* dont care */ | |||
| 1391 | ||||
| 1392 | switch (direction) { | |||
| 1393 | case BLF_DIR_RX0: | |||
| 1394 | tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* inbound */ | |||
| 1395 | break; | |||
| 1396 | case BLF_DIR_TX1: | |||
| 1397 | case BLF_DIR_TX_RQ2: | |||
| 1398 | tmp = PACK_FLAGS_DIRECTION_OUTBOUND2; /* outbound */ | |||
| 1399 | break; | |||
| 1400 | } | |||
| 1401 | ||||
| 1402 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_FLAGS2, tmp); | |||
| 1403 | } | |||
| 1404 | ||||
| 1405 | static bool_Bool | |||
| 1406 | blf_read_log_object_header(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader_t *logheader) { | |||
| 1407 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader_t)) { | |||
| 1408 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1409 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); | |||
| 1410 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1410, __func__, "not enough bytes for timestamp header"); } } while (0); | |||
| 1411 | return false0; | |||
| 1412 | } | |||
| 1413 | ||||
| 1414 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { | |||
| 1415 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1415, __func__, "not enough bytes for logheader"); } } while (0); | |||
| 1416 | return false0; | |||
| 1417 | } | |||
| 1418 | fix_endianness_blf_logobjectheader(logheader); | |||
| 1419 | return true1; | |||
| 1420 | } | |||
| 1421 | ||||
| 1422 | static bool_Bool | |||
| 1423 | blf_read_log_object_header2(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader2_t *logheader) { | |||
| 1424 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader2_t)) { | |||
| 1425 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1426 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); | |||
| 1427 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1427, __func__, "not enough bytes for timestamp header"); } } while (0); | |||
| 1428 | return false0; | |||
| 1429 | } | |||
| 1430 | ||||
| 1431 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { | |||
| 1432 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1432, __func__, "not enough bytes for logheader"); } } while (0); | |||
| 1433 | return false0; | |||
| 1434 | } | |||
| 1435 | fix_endianness_blf_logobjectheader2(logheader); | |||
| 1436 | return true1; | |||
| 1437 | } | |||
| 1438 | ||||
| 1439 | static bool_Bool | |||
| 1440 | blf_read_log_object_header3(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader3_t *logheader) { | |||
| 1441 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader3_t)) { | |||
| 1442 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1443 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); | |||
| 1444 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1444, __func__, "not enough bytes for timestamp header"); } } while (0); | |||
| 1445 | return false0; | |||
| 1446 | } | |||
| 1447 | ||||
| 1448 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { | |||
| 1449 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1449, __func__, "not enough bytes for logheader"); } } while (0); | |||
| 1450 | return false0; | |||
| 1451 | } | |||
| 1452 | fix_endianness_blf_logobjectheader3(logheader); | |||
| 1453 | return true1; | |||
| 1454 | } | |||
| 1455 | ||||
| 1456 | static bool_Bool | |||
| 1457 | blf_read_ethernetframe(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1458 | blf_ethernetframeheader_t ethheader; | |||
| 1459 | uint8_t tmpbuf[18]; | |||
| 1460 | unsigned caplen, len; | |||
| 1461 | ||||
| 1462 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_t)) { | |||
| 1463 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1464 | *err_info = ws_strdup("blf: ETHERNET_FRAME: not enough bytes for ethernet frame header in object")wmem_strdup(((void*)0), "blf: ETHERNET_FRAME: not enough bytes for ethernet frame header in object" ); | |||
| 1465 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1465, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0); | |||
| 1466 | return false0; | |||
| 1467 | } | |||
| 1468 | ||||
| 1469 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(ethheader), err, err_info)) { | |||
| 1470 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1470, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0); | |||
| 1471 | return false0; | |||
| 1472 | } | |||
| 1473 | fix_endianness_blf_ethernetframeheader(ðheader); | |||
| 1474 | ||||
| 1475 | /* | |||
| 1476 | * BLF breaks up and reorders the Ethernet header and VLAN tag fields. | |||
| 1477 | * This is a really bad design and makes this format one of the worst. | |||
| 1478 | * If you want a fast format that keeps your data intact, avoid this format! | |||
| 1479 | * So, lets hope we can reconstruct the original packet successfully. | |||
| 1480 | */ | |||
| 1481 | ||||
| 1482 | tmpbuf[0] = ethheader.dst_addr[0]; | |||
| 1483 | tmpbuf[1] = ethheader.dst_addr[1]; | |||
| 1484 | tmpbuf[2] = ethheader.dst_addr[2]; | |||
| 1485 | tmpbuf[3] = ethheader.dst_addr[3]; | |||
| 1486 | tmpbuf[4] = ethheader.dst_addr[4]; | |||
| 1487 | tmpbuf[5] = ethheader.dst_addr[5]; | |||
| 1488 | ||||
| 1489 | tmpbuf[6] = ethheader.src_addr[0]; | |||
| 1490 | tmpbuf[7] = ethheader.src_addr[1]; | |||
| 1491 | tmpbuf[8] = ethheader.src_addr[2]; | |||
| 1492 | tmpbuf[9] = ethheader.src_addr[3]; | |||
| 1493 | tmpbuf[10] = ethheader.src_addr[4]; | |||
| 1494 | tmpbuf[11] = ethheader.src_addr[5]; | |||
| 1495 | ||||
| 1496 | if (ethheader.tpid != 0 && ethheader.tci != 0) { | |||
| 1497 | phtonu16(tmpbuf + 12, ethheader.tpid); | |||
| 1498 | phtonu16(tmpbuf + 14, ethheader.tci); | |||
| 1499 | phtonu16(tmpbuf + 16, ethheader.ethtype); | |||
| 1500 | ws_buffer_assure_space(¶ms->rec->data, (size_t)18 + ethheader.payloadlength); | |||
| 1501 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)18); | |||
| 1502 | caplen = ((uint32_t)18 + ethheader.payloadlength); | |||
| 1503 | len = ((uint32_t)18 + ethheader.payloadlength); | |||
| 1504 | } else { | |||
| 1505 | phtonu16(tmpbuf + 12, ethheader.ethtype); | |||
| 1506 | ws_buffer_assure_space(¶ms->rec->data, (size_t)14 + ethheader.payloadlength); | |||
| 1507 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)14); | |||
| 1508 | caplen = ((uint32_t)14 + ethheader.payloadlength); | |||
| 1509 | len = ((uint32_t)14 + ethheader.payloadlength); | |||
| 1510 | } | |||
| 1511 | ||||
| 1512 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_t), ws_buffer_end_ptr(¶ms->rec->data), ethheader.payloadlength, err, err_info)) { | |||
| 1513 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1513, __func__, "copying ethernet frame failed"); } } while (0); | |||
| 1514 | return false0; | |||
| 1515 | } | |||
| 1516 | ws_buffer_increase_length(¶ms->rec->data, ethheader.payloadlength); | |||
| 1517 | ||||
| 1518 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), caplen, len); | |||
| 1519 | blf_add_direction_option(params, ethheader.direction); | |||
| 1520 | ||||
| 1521 | return true1; | |||
| 1522 | } | |||
| 1523 | ||||
| 1524 | static bool_Bool | |||
| 1525 | blf_read_ethernetframe_ext(blf_params_t *params, int *err, char **err_info, int64_t block_start,int64_t data_start, | |||
| 1526 | int64_t object_length, uint32_t flags, uint64_t object_timestamp, gboolean error) { | |||
| 1527 | blf_ethernetframeheader_ex_t ethheader; | |||
| 1528 | ||||
| 1529 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_ex_t)) { | |||
| 1530 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1531 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for ethernet frame header in object", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for ethernet frame header in object" , error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX"); | |||
| 1532 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1532, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0); | |||
| 1533 | return false0; | |||
| 1534 | } | |||
| 1535 | ||||
| 1536 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(blf_ethernetframeheader_ex_t), err, err_info)) { | |||
| 1537 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1537, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0); | |||
| 1538 | return false0; | |||
| 1539 | } | |||
| 1540 | fix_endianness_blf_ethernetframeheader_ex(ðheader); | |||
| 1541 | ||||
| 1542 | if (object_length - (data_start - block_start) - sizeof(blf_ethernetframeheader_ex_t) < ethheader.frame_length) { | |||
| 1543 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1544 | *err_info = ws_strdup_printf("blf: %s: frame too short", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX")wmem_strdup_printf(((void*)0), "blf: %s: frame too short", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX"); | |||
| 1545 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1545, __func__, "frame too short"); } } while (0); | |||
| 1546 | return false0; | |||
| 1547 | } | |||
| 1548 | ||||
| 1549 | ws_buffer_assure_space(¶ms->rec->data, ethheader.frame_length); | |||
| 1550 | ||||
| 1551 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_ex_t), ws_buffer_end_ptr(¶ms->rec->data), ethheader.frame_length, err, err_info)) { | |||
| 1552 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1552, __func__, "copying ethernet frame failed"); } } while (0); | |||
| 1553 | return false0; | |||
| 1554 | } | |||
| 1555 | ws_buffer_increase_length(¶ms->rec->data, ethheader.frame_length); | |||
| 1556 | ||||
| 1557 | if (ethheader.flags & BLF_ETHERNET_EX_HARDWARECHANNEL0x0002) { | |||
| 1558 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length); | |||
| 1559 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel); | |||
| 1560 | } | |||
| 1561 | else { | |||
| 1562 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length); | |||
| 1563 | } | |||
| 1564 | ||||
| 1565 | blf_add_direction_option(params, ethheader.direction); | |||
| 1566 | ||||
| 1567 | return true1; | |||
| 1568 | } | |||
| 1569 | ||||
| 1570 | static bool_Bool | |||
| 1571 | blf_read_ethernet_rxerror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1572 | blf_ethernet_rxerror_t ethheader; | |||
| 1573 | ||||
| 1574 | if (object_length < (data_start - block_start) + (int)sizeof(blf_ethernet_rxerror_t)) { | |||
| 1575 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1576 | *err_info = ws_strdup("blf: ETHERNET_RXERROR: not enough bytes for ethernet frame header in object")wmem_strdup(((void*)0), "blf: ETHERNET_RXERROR: not enough bytes for ethernet frame header in object" ); | |||
| 1577 | ws_debug("not enough bytes for ethernet rx error header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1577, __func__, "not enough bytes for ethernet rx error header in object" ); } } while (0); | |||
| 1578 | return false0; | |||
| 1579 | } | |||
| 1580 | ||||
| 1581 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(blf_ethernet_rxerror_t), err, err_info)) { | |||
| 1582 | ws_debug("not enough bytes for ethernet rx error header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1582, __func__, "not enough bytes for ethernet rx error header in file" ); } } while (0); | |||
| 1583 | return false0; | |||
| 1584 | } | |||
| 1585 | fix_endianness_blf_ethernet_rxerror(ðheader); | |||
| 1586 | ||||
| 1587 | if (object_length - (data_start - block_start) < ethheader.frame_length) { | |||
| 1588 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1589 | *err_info = ws_strdup("blf: ETHERNET_RXERROR: frame too short")wmem_strdup(((void*)0), "blf: ETHERNET_RXERROR: frame too short" ); | |||
| 1590 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1590, __func__, "frame too short"); } } while (0); | |||
| 1591 | return false0; | |||
| 1592 | } | |||
| 1593 | ||||
| 1594 | ws_buffer_assure_space(¶ms->rec->data, ethheader.frame_length); | |||
| 1595 | ||||
| 1596 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernet_rxerror_t), ws_buffer_end_ptr(¶ms->rec->data), ethheader.frame_length, err, err_info)) { | |||
| 1597 | ws_debug("copying ethernet rx error failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1597, __func__, "copying ethernet rx error failed"); } } while (0); | |||
| 1598 | return false0; | |||
| 1599 | } | |||
| 1600 | ws_buffer_increase_length(¶ms->rec->data, ethheader.frame_length); | |||
| 1601 | ||||
| 1602 | if (ethheader.hw_channel != 0) { /* In this object type, a value of 0 is considered invalid. */ | |||
| 1603 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length); | |||
| 1604 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel); | |||
| 1605 | } | |||
| 1606 | else { | |||
| 1607 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length); | |||
| 1608 | } | |||
| 1609 | blf_add_direction_option(params, ethheader.direction); | |||
| 1610 | ||||
| 1611 | return true1; | |||
| 1612 | } | |||
| 1613 | ||||
| 1614 | /* | |||
| 1615 | * XXX - provide radio information to our caller in the pseudo-header. | |||
| 1616 | */ | |||
| 1617 | static bool_Bool | |||
| 1618 | blf_read_wlanframe(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1619 | blf_wlanframeheader_t wlanheader; | |||
| 1620 | ||||
| 1621 | if (object_length < (data_start - block_start) + (int)sizeof(blf_wlanframeheader_t)) { | |||
| 1622 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1623 | *err_info = ws_strdup("blf: WLAN_FRAME: not enough bytes for wlan frame header in object")wmem_strdup(((void*)0), "blf: WLAN_FRAME: not enough bytes for wlan frame header in object" ); | |||
| 1624 | ws_debug("not enough bytes for wlan frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1624, __func__, "not enough bytes for wlan frame header in object" ); } } while (0); | |||
| 1625 | return false0; | |||
| 1626 | } | |||
| 1627 | ||||
| 1628 | if (!blf_read_bytes(params, data_start, &wlanheader, sizeof(blf_wlanframeheader_t), err, err_info)) { | |||
| 1629 | ws_debug("not enough bytes for wlan frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1629, __func__, "not enough bytes for wlan frame header in file" ); } } while (0); | |||
| 1630 | return false0; | |||
| 1631 | } | |||
| 1632 | fix_endianness_blf_wlanframeheader(&wlanheader); | |||
| 1633 | ||||
| 1634 | if (object_length - (data_start - block_start) - sizeof(blf_wlanframeheader_t) < wlanheader.frame_length) { | |||
| 1635 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1636 | *err_info = ws_strdup("blf: WLAN_FRAME: frame too short")wmem_strdup(((void*)0), "blf: WLAN_FRAME: frame too short"); | |||
| 1637 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1637, __func__, "frame too short"); } } while (0); | |||
| 1638 | return false0; | |||
| 1639 | } | |||
| 1640 | ||||
| 1641 | ws_buffer_assure_space(¶ms->rec->data, wlanheader.frame_length); | |||
| 1642 | ||||
| 1643 | if (!blf_read_bytes(params, data_start + sizeof(blf_wlanframeheader_t), ws_buffer_end_ptr(¶ms->rec->data), wlanheader.frame_length, err, err_info)) { | |||
| 1644 | ws_debug("copying wlan frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1644, __func__, "copying wlan frame failed"); } } while (0); | |||
| 1645 | return false0; | |||
| 1646 | } | |||
| 1647 | ws_buffer_increase_length(¶ms->rec->data, wlanheader.frame_length); | |||
| 1648 | ||||
| 1649 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_IEEE_802_1120, wlanheader.channel, UINT16_MAX(65535), wlanheader.frame_length, wlanheader.frame_length); | |||
| 1650 | blf_add_direction_option(params, wlanheader.direction); | |||
| 1651 | ||||
| 1652 | return true1; | |||
| 1653 | } | |||
| 1654 | ||||
| 1655 | static const uint8_t can_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8 }; | |||
| 1656 | static const uint8_t canfd_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64 }; | |||
| 1657 | ||||
| 1658 | static bool_Bool | |||
| 1659 | blf_can_fill_buf_and_rec(blf_params_t *params, int *err, char **err_info, uint32_t canid, uint8_t payload_length, uint8_t payload_length_valid, uint64_t start_position, | |||
| 1660 | uint32_t flags, uint64_t object_timestamp, uint16_t channel, uint8_t canfd_flags) { | |||
| 1661 | uint8_t tmpbuf[8]; | |||
| 1662 | unsigned caplen, len; | |||
| 1663 | ||||
| 1664 | phtonu32(tmpbuf, canid); | |||
| 1665 | tmpbuf[4] = payload_length; | |||
| 1666 | tmpbuf[5] = canfd_flags; | |||
| 1667 | tmpbuf[6] = 0; | |||
| 1668 | tmpbuf[7] = 0; | |||
| 1669 | ||||
| 1670 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); | |||
| 1671 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 1672 | caplen = sizeof(tmpbuf) + payload_length_valid; | |||
| 1673 | len = sizeof(tmpbuf) + payload_length; | |||
| 1674 | ||||
| 1675 | if (payload_length_valid > 0 && !blf_read_bytes(params, start_position, ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { | |||
| 1676 | ws_debug("copying can payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1676, __func__, "copying can payload failed"); } } while (0 ); | |||
| 1677 | return false0; | |||
| 1678 | } | |||
| 1679 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); | |||
| 1680 | ||||
| 1681 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535), caplen, len); | |||
| 1682 | ||||
| 1683 | return true1; | |||
| 1684 | } | |||
| 1685 | ||||
| 1686 | static bool_Bool | |||
| 1687 | blf_read_canmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool can_message2) { | |||
| 1688 | blf_canmessage_t canheader; | |||
| 1689 | blf_canmessage2_trailer_t can2trailer; | |||
| 1690 | ||||
| 1691 | uint32_t canid; | |||
| 1692 | uint8_t payload_length; | |||
| 1693 | ||||
| 1694 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 1695 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1696 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for can header in object",wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for can header in object" , can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE") | |||
| 1697 | can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for can header in object" , can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE"); | |||
| 1698 | ws_debug("not enough bytes for can header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1698, __func__, "not enough bytes for can header in object" ); } } while (0); | |||
| 1699 | return false0; | |||
| 1700 | } | |||
| 1701 | ||||
| 1702 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 1703 | ws_debug("not enough bytes for can header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1703, __func__, "not enough bytes for can header in file"); } } while (0); | |||
| 1704 | return false0; | |||
| 1705 | } | |||
| 1706 | fix_endianness_blf_canmessage(&canheader); | |||
| 1707 | ||||
| 1708 | canheader.dlc &= 0x0f; | |||
| 1709 | ||||
| 1710 | payload_length = canheader.dlc; | |||
| 1711 | if (payload_length > 8) { | |||
| 1712 | ws_debug("regular CAN tries more than 8 bytes? Cutting to 8!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1712, __func__, "regular CAN tries more than 8 bytes? Cutting to 8!" ); } } while (0); | |||
| 1713 | payload_length = 8; | |||
| 1714 | } | |||
| 1715 | ||||
| 1716 | canid = canheader.id; | |||
| 1717 | ||||
| 1718 | if ((canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) { | |||
| 1719 | canid |= CAN_RTR_FLAG0x40000000; | |||
| 1720 | payload_length = 0; | |||
| 1721 | } | |||
| 1722 | ||||
| 1723 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, 0)) { | |||
| 1724 | return false0; | |||
| 1725 | } | |||
| 1726 | ||||
| 1727 | /* actually, we do not really need the data, right now.... */ | |||
| 1728 | if (can_message2) { | |||
| 1729 | if (object_length < (data_start - block_start) + (int) sizeof(canheader) + 8 + (int) sizeof(can2trailer)) { | |||
| 1730 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1731 | *err_info = ws_strdup("blf: CAN_MESSAGE2: not enough bytes for can message 2 trailer")wmem_strdup(((void*)0), "blf: CAN_MESSAGE2: not enough bytes for can message 2 trailer" ); | |||
| 1732 | ws_debug("not enough bytes for can message 2 trailer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1732, __func__, "not enough bytes for can message 2 trailer" ); } } while (0); | |||
| 1733 | return false0; | |||
| 1734 | } | |||
| 1735 | if (!blf_read_bytes(params, data_start + sizeof(canheader) + 8, &can2trailer, sizeof(can2trailer), err, err_info)) { | |||
| 1736 | ws_debug("not enough bytes for can message 2 trailer in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1736, __func__, "not enough bytes for can message 2 trailer in file" ); } } while (0); | |||
| 1737 | return false0; | |||
| 1738 | } | |||
| 1739 | fix_endianness_blf_canmessage2_trailer(&can2trailer); | |||
| 1740 | } | |||
| 1741 | ||||
| 1742 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1: BLF_DIR_RX0); | |||
| 1743 | ||||
| 1744 | return true1; | |||
| 1745 | } | |||
| 1746 | ||||
| 1747 | static bool_Bool | |||
| 1748 | blf_read_canfdmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1749 | blf_canfdmessage_t canheader; | |||
| 1750 | ||||
| 1751 | bool_Bool canfd; | |||
| 1752 | uint32_t canid; | |||
| 1753 | uint8_t payload_length; | |||
| 1754 | uint8_t payload_length_valid; | |||
| 1755 | uint8_t canfd_flags; | |||
| 1756 | ||||
| 1757 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 1758 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1759 | *err_info = ws_strdup("blf: CAN_FD_MESSAGE: not enough bytes for canfd header in object")wmem_strdup(((void*)0), "blf: CAN_FD_MESSAGE: not enough bytes for canfd header in object" ); | |||
| 1760 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1760, __func__, "not enough bytes for canfd header in object" ); } } while (0); | |||
| 1761 | return false0; | |||
| 1762 | } | |||
| 1763 | ||||
| 1764 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 1765 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1765, __func__, "not enough bytes for canfd header in file" ); } } while (0); | |||
| 1766 | return false0; | |||
| 1767 | } | |||
| 1768 | fix_endianness_blf_canfdmessage(&canheader); | |||
| 1769 | ||||
| 1770 | canheader.dlc &= 0x0f; | |||
| 1771 | ||||
| 1772 | canfd = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) == BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01; | |||
| 1773 | if (canfd) { | |||
| 1774 | payload_length = canfd_dlc_to_length[canheader.dlc]; | |||
| 1775 | canfd_flags = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) << 2 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_ESI0x04) >> 1 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_BRS0x02) >> 1; | |||
| 1776 | } else { | |||
| 1777 | if (canheader.dlc > 8) { | |||
| 1778 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1778, __func__, "regular CAN tries more than 8 bytes?"); } } while (0); | |||
| 1779 | } | |||
| 1780 | payload_length = can_dlc_to_length[canheader.dlc]; | |||
| 1781 | canfd_flags = 0; | |||
| 1782 | } | |||
| 1783 | ||||
| 1784 | if (payload_length > canheader.validDataBytes) { | |||
| 1785 | ws_debug("shortening canfd payload because valid data bytes shorter!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1785, __func__, "shortening canfd payload because valid data bytes shorter!" ); } } while (0); | |||
| 1786 | payload_length = canheader.validDataBytes; | |||
| 1787 | } | |||
| 1788 | ||||
| 1789 | canid = canheader.id; | |||
| 1790 | ||||
| 1791 | if (!canfd && (canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) { | |||
| 1792 | canid |= CAN_RTR_FLAG0x40000000; | |||
| 1793 | payload_length = 0; /* Should already be zero from validDataBytes */ | |||
| 1794 | } | |||
| 1795 | ||||
| 1796 | payload_length_valid = payload_length; | |||
| 1797 | ||||
| 1798 | if (payload_length_valid > object_length - (data_start - block_start) + sizeof(canheader)) { | |||
| 1799 | ws_debug("shortening can payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1799, __func__, "shortening can payload because buffer is too short!" ); } } while (0); | |||
| 1800 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start)); | |||
| 1801 | } | |||
| 1802 | ||||
| 1803 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length_valid, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, canfd_flags)) { | |||
| 1804 | return false0; | |||
| 1805 | } | |||
| 1806 | ||||
| 1807 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1 : BLF_DIR_RX0); | |||
| 1808 | ||||
| 1809 | return true1; | |||
| 1810 | } | |||
| 1811 | ||||
| 1812 | static bool_Bool | |||
| 1813 | blf_read_canfdmessage64(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1814 | blf_canfdmessage64_t canheader; | |||
| 1815 | ||||
| 1816 | bool_Bool canfd; | |||
| 1817 | uint32_t canid; | |||
| 1818 | uint8_t payload_length; | |||
| 1819 | uint8_t payload_length_valid; | |||
| 1820 | uint8_t canfd_flags; | |||
| 1821 | ||||
| 1822 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 1823 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1824 | *err_info = ws_strdup("blf: CAN_FD_MESSAGE_64: not enough bytes for canfd header in object")wmem_strdup(((void*)0), "blf: CAN_FD_MESSAGE_64: not enough bytes for canfd header in object" ); | |||
| 1825 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1825, __func__, "not enough bytes for canfd header in object" ); } } while (0); | |||
| 1826 | return false0; | |||
| 1827 | } | |||
| 1828 | ||||
| 1829 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 1830 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1830, __func__, "not enough bytes for canfd header in file" ); } } while (0); | |||
| 1831 | return false0; | |||
| 1832 | } | |||
| 1833 | fix_endianness_blf_canfdmessage64(&canheader); | |||
| 1834 | ||||
| 1835 | canheader.dlc &= 0x0f; | |||
| 1836 | ||||
| 1837 | canfd = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) == BLF_CANFDMESSAGE64_FLAG_EDL0x001000; | |||
| 1838 | if (canfd) { | |||
| 1839 | payload_length = canfd_dlc_to_length[canheader.dlc]; | |||
| 1840 | canfd_flags = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) >> 10 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_ESI0x004000) >> 13 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_BRS0x002000) >> 13; | |||
| 1841 | } else { | |||
| 1842 | if (canheader.dlc > 8) { | |||
| 1843 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1843, __func__, "regular CAN tries more than 8 bytes?"); } } while (0); | |||
| 1844 | } | |||
| 1845 | payload_length = can_dlc_to_length[canheader.dlc]; | |||
| 1846 | canfd_flags = 0; | |||
| 1847 | } | |||
| 1848 | ||||
| 1849 | if (payload_length > canheader.validDataBytes) { | |||
| 1850 | ws_debug("shortening canfd payload because valid data bytes shorter!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1850, __func__, "shortening canfd payload because valid data bytes shorter!" ); } } while (0); | |||
| 1851 | payload_length = canheader.validDataBytes; | |||
| 1852 | } | |||
| 1853 | ||||
| 1854 | canid = canheader.id; | |||
| 1855 | ||||
| 1856 | if (!canfd && (canheader.flags & BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) == BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) { | |||
| 1857 | canid |= CAN_RTR_FLAG0x40000000; | |||
| 1858 | payload_length = 0; /* Should already be zero from validDataBytes */ | |||
| 1859 | } | |||
| 1860 | ||||
| 1861 | payload_length_valid = payload_length; | |||
| 1862 | ||||
| 1863 | if (payload_length_valid > object_length - (data_start - block_start)) { | |||
| 1864 | ws_debug("shortening can payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1864, __func__, "shortening can payload because buffer is too short!" ); } } while (0); | |||
| 1865 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start)); | |||
| 1866 | } | |||
| 1867 | ||||
| 1868 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length_valid, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, canfd_flags)) { | |||
| 1869 | return false0; | |||
| 1870 | } | |||
| 1871 | ||||
| 1872 | blf_add_direction_option(params, canheader.dir); | |||
| 1873 | ||||
| 1874 | return true1; | |||
| 1875 | } | |||
| 1876 | ||||
| 1877 | static bool_Bool | |||
| 1878 | blf_read_canerror(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool overload) { | |||
| 1879 | blf_canerror_t canheader; | |||
| 1880 | uint32_t canid; | |||
| 1881 | uint8_t payload_length; | |||
| 1882 | uint8_t tmpbuf[16] = {0}; | |||
| 1883 | ||||
| 1884 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 1885 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1886 | *err_info = ws_strdup("blf: CAN_ERROR: not enough bytes for canerror header in object")wmem_strdup(((void*)0), "blf: CAN_ERROR: not enough bytes for canerror header in object" ); | |||
| 1887 | ws_debug("not enough bytes for canerror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1887, __func__, "not enough bytes for canerror header in object" ); } } while (0); | |||
| 1888 | return false0; | |||
| 1889 | } | |||
| 1890 | ||||
| 1891 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 1892 | ws_debug("not enough bytes for canerror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1892, __func__, "not enough bytes for canerror header in file" ); } } while (0); | |||
| 1893 | return false0; | |||
| 1894 | } | |||
| 1895 | fix_endianness_blf_canerror(&canheader); | |||
| 1896 | ||||
| 1897 | // Set CAN_ERR_FLAG in unused bits of Can ID to indicate error in socketcan | |||
| 1898 | canid = CAN_ERR_FLAG0x20000000; | |||
| 1899 | ||||
| 1900 | // Fixed packet data length for socketcan error messages | |||
| 1901 | payload_length = CAN_ERR_DLC8; | |||
| 1902 | ||||
| 1903 | if (overload) { | |||
| 1904 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; | |||
| 1905 | canid |= CAN_ERR_PROT0x00000008U; | |||
| 1906 | } | |||
| 1907 | ||||
| 1908 | phtonu32(tmpbuf, canid); | |||
| 1909 | tmpbuf[4] = payload_length; | |||
| 1910 | ||||
| 1911 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 1912 | ||||
| 1913 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 1914 | return true1; | |||
| 1915 | } | |||
| 1916 | ||||
| 1917 | static bool_Bool | |||
| 1918 | blf_read_canerrorext(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 1919 | blf_canerrorext_t canheader; | |||
| 1920 | ||||
| 1921 | bool_Bool err_ack = false0; | |||
| 1922 | bool_Bool err_prot = false0; | |||
| 1923 | bool_Bool direction_tx; | |||
| 1924 | uint32_t canid; | |||
| 1925 | uint8_t payload_length; | |||
| 1926 | uint8_t tmpbuf[16] = {0}; | |||
| 1927 | ||||
| 1928 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 1929 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 1930 | *err_info = ws_strdup("blf: CAN_ERROR_EXT: not enough bytes for canerrorext header in object")wmem_strdup(((void*)0), "blf: CAN_ERROR_EXT: not enough bytes for canerrorext header in object" ); | |||
| 1931 | ws_debug("not enough bytes for canerrorext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1931, __func__, "not enough bytes for canerrorext header in object" ); } } while (0); | |||
| 1932 | return false0; | |||
| 1933 | } | |||
| 1934 | ||||
| 1935 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 1936 | ws_debug("not enough bytes for canerrorext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1936, __func__, "not enough bytes for canerrorext header in file" ); } } while (0); | |||
| 1937 | return false0; | |||
| 1938 | } | |||
| 1939 | fix_endianness_blf_canerrorext(&canheader); | |||
| 1940 | ||||
| 1941 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { | |||
| 1942 | // Map Vector Can Core error codes to compareable socketcan errors | |||
| 1943 | switch ((canheader.errorCodeExt >> 6) & 0x3f) { | |||
| 1944 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0: | |||
| 1945 | err_prot = true1; | |||
| 1946 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01; | |||
| 1947 | break; | |||
| 1948 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1: | |||
| 1949 | err_prot = true1; | |||
| 1950 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02; | |||
| 1951 | break; | |||
| 1952 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2: | |||
| 1953 | err_prot = true1; | |||
| 1954 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04; | |||
| 1955 | break; | |||
| 1956 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4: | |||
| 1957 | err_prot = true1; | |||
| 1958 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08; | |||
| 1959 | break; | |||
| 1960 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7: | |||
| 1961 | err_ack = true1; | |||
| 1962 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19; | |||
| 1963 | break; | |||
| 1964 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8: | |||
| 1965 | err_prot = true1; | |||
| 1966 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; | |||
| 1967 | break; | |||
| 1968 | default: | |||
| 1969 | err_prot = true1; | |||
| 1970 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00; | |||
| 1971 | break; | |||
| 1972 | } | |||
| 1973 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0; | |||
| 1974 | if (err_ack) { | |||
| 1975 | // Don't set protocol error on ack errors | |||
| 1976 | err_prot = false0; | |||
| 1977 | } | |||
| 1978 | } | |||
| 1979 | ||||
| 1980 | // CanID contains error class in socketcan | |||
| 1981 | canid = CAN_ERR_FLAG0x20000000; | |||
| 1982 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0; | |||
| 1983 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0; | |||
| 1984 | ||||
| 1985 | // Fixed packet data length for socketcan error messages | |||
| 1986 | payload_length = CAN_ERR_DLC8; | |||
| 1987 | canheader.dlc = payload_length; | |||
| 1988 | ||||
| 1989 | phtonu32(tmpbuf, canid); | |||
| 1990 | tmpbuf[4] = payload_length; | |||
| 1991 | ||||
| 1992 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 1993 | ||||
| 1994 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 1995 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { | |||
| 1996 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000; | |||
| 1997 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0); | |||
| 1998 | } | |||
| 1999 | return true1; | |||
| 2000 | } | |||
| 2001 | ||||
| 2002 | static bool_Bool | |||
| 2003 | blf_read_canfderror64(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2004 | blf_canfderror64_t canheader; | |||
| 2005 | ||||
| 2006 | bool_Bool err_ack = false0; | |||
| 2007 | bool_Bool err_prot = false0; | |||
| 2008 | bool_Bool direction_tx; | |||
| 2009 | uint32_t canid; | |||
| 2010 | uint8_t payload_length; | |||
| 2011 | uint8_t tmpbuf[16] = {0}; | |||
| 2012 | ||||
| 2013 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { | |||
| 2014 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2015 | *err_info = ws_strdup("blf: CAN_FD_ERROR_64: not enough bytes for canfderror header in object")wmem_strdup(((void*)0), "blf: CAN_FD_ERROR_64: not enough bytes for canfderror header in object" ); | |||
| 2016 | ws_debug("not enough bytes for canfderror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2016, __func__, "not enough bytes for canfderror header in object" ); } } while (0); | |||
| 2017 | return false0; | |||
| 2018 | } | |||
| 2019 | ||||
| 2020 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { | |||
| 2021 | ws_debug("not enough bytes for canfderror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2021, __func__, "not enough bytes for canfderror header in file" ); } } while (0); | |||
| 2022 | return false0; | |||
| 2023 | } | |||
| 2024 | fix_endianness_blf_canfderror64(&canheader); | |||
| 2025 | ||||
| 2026 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { | |||
| 2027 | // Map Vector Can Core error codes to compareable socketcan errors | |||
| 2028 | switch ((canheader.errorCodeExt >> 6) & 0x3f) { | |||
| 2029 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0: | |||
| 2030 | err_prot = true1; | |||
| 2031 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01; | |||
| 2032 | break; | |||
| 2033 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1: | |||
| 2034 | err_prot = true1; | |||
| 2035 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02; | |||
| 2036 | break; | |||
| 2037 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2: | |||
| 2038 | err_prot = true1; | |||
| 2039 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04; | |||
| 2040 | break; | |||
| 2041 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4: | |||
| 2042 | err_prot = true1; | |||
| 2043 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08; | |||
| 2044 | break; | |||
| 2045 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7: | |||
| 2046 | err_ack = true1; | |||
| 2047 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19; | |||
| 2048 | break; | |||
| 2049 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8: | |||
| 2050 | err_prot = true1; | |||
| 2051 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; | |||
| 2052 | break; | |||
| 2053 | default: | |||
| 2054 | err_prot = true1; | |||
| 2055 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00; | |||
| 2056 | break; | |||
| 2057 | } | |||
| 2058 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0; | |||
| 2059 | if (err_ack) { | |||
| 2060 | // Don't set protocol error on ack errors | |||
| 2061 | err_prot = false0; | |||
| 2062 | } | |||
| 2063 | } | |||
| 2064 | ||||
| 2065 | // CanID contains error class in socketcan | |||
| 2066 | canid = CAN_ERR_FLAG0x20000000; | |||
| 2067 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0; | |||
| 2068 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0; | |||
| 2069 | ||||
| 2070 | // Fixed packet data length for socketcan error messages | |||
| 2071 | payload_length = CAN_ERR_DLC8; | |||
| 2072 | canheader.dlc = payload_length; | |||
| 2073 | ||||
| 2074 | phtonu32(tmpbuf, canid); | |||
| 2075 | tmpbuf[4] = payload_length; | |||
| 2076 | // Don't set FDF, ESI and BRS flags, since error messages are always encapsulated in Classic CAN frames | |||
| 2077 | ||||
| 2078 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2079 | ||||
| 2080 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2081 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { | |||
| 2082 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000; | |||
| 2083 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0); | |||
| 2084 | } | |||
| 2085 | return true1; | |||
| 2086 | } | |||
| 2087 | ||||
| 2088 | static bool_Bool | |||
| 2089 | blf_read_flexraydata(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2090 | blf_flexraydata_t frheader; | |||
| 2091 | ||||
| 2092 | uint8_t payload_length; | |||
| 2093 | uint8_t payload_length_valid; | |||
| 2094 | uint8_t tmpbuf[7]; | |||
| 2095 | unsigned caplen, len; | |||
| 2096 | ||||
| 2097 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) { | |||
| 2098 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2099 | *err_info = ws_strdup("blf: FLEXRAY_DATA: not enough bytes for flexrayheader in object")wmem_strdup(((void*)0), "blf: FLEXRAY_DATA: not enough bytes for flexrayheader in object" ); | |||
| 2100 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2100, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); | |||
| 2101 | return false0; | |||
| 2102 | } | |||
| 2103 | ||||
| 2104 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { | |||
| 2105 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2105, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); | |||
| 2106 | return false0; | |||
| 2107 | } | |||
| 2108 | fix_endianness_blf_flexraydata(&frheader); | |||
| 2109 | ||||
| 2110 | payload_length = frheader.len; | |||
| 2111 | payload_length_valid = payload_length; | |||
| 2112 | ||||
| 2113 | if ((frheader.len & 0x01) == 0x01) { | |||
| 2114 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2114, __func__, "reading odd length in FlexRay!?"); } } while (0); | |||
| 2115 | } | |||
| 2116 | ||||
| 2117 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) { | |||
| 2118 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2118, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0); | |||
| 2119 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader)); | |||
| 2120 | } | |||
| 2121 | ||||
| 2122 | if (frheader.channel != 0 && frheader.channel != 1) { | |||
| 2123 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2123, __func__, "FlexRay supports only two channels."); } } while (0); | |||
| 2124 | } | |||
| 2125 | ||||
| 2126 | /* Measurement Header */ | |||
| 2127 | if (frheader.channel == 0) { | |||
| 2128 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; | |||
| 2129 | } else { | |||
| 2130 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; | |||
| 2131 | } | |||
| 2132 | ||||
| 2133 | /* Error Flags */ | |||
| 2134 | tmpbuf[1] = 0; | |||
| 2135 | ||||
| 2136 | /* Frame Header */ | |||
| 2137 | tmpbuf[2] = 0x20 | ((0x0700 & frheader.messageId) >> 8); | |||
| 2138 | tmpbuf[3] = 0x00ff & frheader.messageId; | |||
| 2139 | tmpbuf[4] = (0xfe & frheader.len) | ((frheader.crc & 0x0400) >> 10); | |||
| 2140 | tmpbuf[5] = (0x03fc & frheader.crc) >> 2; | |||
| 2141 | tmpbuf[6] = ((0x0003 & frheader.crc) << 6) | (0x3f & frheader.mux); | |||
| 2142 | ||||
| 2143 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); | |||
| 2144 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2145 | caplen = sizeof(tmpbuf) + payload_length_valid; | |||
| 2146 | len = sizeof(tmpbuf) + payload_length; | |||
| 2147 | ||||
| 2148 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { | |||
| 2149 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2149, __func__, "copying flexray payload failed"); } } while (0); | |||
| 2150 | return false0; | |||
| 2151 | } | |||
| 2152 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); | |||
| 2153 | ||||
| 2154 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len); | |||
| 2155 | blf_add_direction_option(params, frheader.dir); | |||
| 2156 | ||||
| 2157 | return true1; | |||
| 2158 | } | |||
| 2159 | ||||
| 2160 | static bool_Bool | |||
| 2161 | blf_read_flexraymessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2162 | blf_flexraymessage_t frheader; | |||
| 2163 | ||||
| 2164 | uint8_t payload_length; | |||
| 2165 | uint8_t payload_length_valid; | |||
| 2166 | uint8_t tmpbuf[7]; | |||
| 2167 | unsigned caplen, len; | |||
| 2168 | ||||
| 2169 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) { | |||
| 2170 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2171 | *err_info = ws_strdup("blf: FLEXRAY_MESSAGE: not enough bytes for flexrayheader in object")wmem_strdup(((void*)0), "blf: FLEXRAY_MESSAGE: not enough bytes for flexrayheader in object" ); | |||
| 2172 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2172, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); | |||
| 2173 | return false0; | |||
| 2174 | } | |||
| 2175 | ||||
| 2176 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { | |||
| 2177 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2177, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); | |||
| 2178 | return false0; | |||
| 2179 | } | |||
| 2180 | fix_endianness_blf_flexraymessage(&frheader); | |||
| 2181 | ||||
| 2182 | payload_length = frheader.length; | |||
| 2183 | payload_length_valid = payload_length; | |||
| 2184 | ||||
| 2185 | if ((frheader.length & 0x01) == 0x01) { | |||
| 2186 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2186, __func__, "reading odd length in FlexRay!?"); } } while (0); | |||
| 2187 | } | |||
| 2188 | ||||
| 2189 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) { | |||
| 2190 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2190, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0); | |||
| 2191 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader)); | |||
| 2192 | } | |||
| 2193 | ||||
| 2194 | if (frheader.channel != 0 && frheader.channel != 1) { | |||
| 2195 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2195, __func__, "FlexRay supports only two channels."); } } while (0); | |||
| 2196 | } | |||
| 2197 | ||||
| 2198 | /* Measurement Header */ | |||
| 2199 | if (frheader.channel == 0) { | |||
| 2200 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; | |||
| 2201 | } else { | |||
| 2202 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; | |||
| 2203 | } | |||
| 2204 | ||||
| 2205 | /* Error Flags */ | |||
| 2206 | tmpbuf[1] = 0; | |||
| 2207 | ||||
| 2208 | /* Frame Header */ | |||
| 2209 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8); | |||
| 2210 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_PPI0x01) == BLF_FLEXRAYMESSAGE_STATE_PPI0x01) { | |||
| 2211 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40; | |||
| 2212 | } | |||
| 2213 | ||||
| 2214 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_SFI0x02) == BLF_FLEXRAYMESSAGE_STATE_SFI0x02) { | |||
| 2215 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10; | |||
| 2216 | } | |||
| 2217 | ||||
| 2218 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_NFI0x08) != BLF_FLEXRAYMESSAGE_STATE_NFI0x08) { | |||
| 2219 | /* NFI needs to be inversed !? */ | |||
| 2220 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20; | |||
| 2221 | } | |||
| 2222 | ||||
| 2223 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_STFI0x10) == BLF_FLEXRAYMESSAGE_STATE_STFI0x10) { | |||
| 2224 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08; | |||
| 2225 | } | |||
| 2226 | ||||
| 2227 | tmpbuf[3] = 0x00ff & frheader.frameId; | |||
| 2228 | tmpbuf[4] = (0xfe & frheader.length) | ((frheader.headerCrc & 0x0400) >> 10); | |||
| 2229 | tmpbuf[5] = (0x03fc & frheader.headerCrc) >> 2; | |||
| 2230 | tmpbuf[6] = ((0x0003 & frheader.headerCrc) << 6) | (0x3f & frheader.cycle); | |||
| 2231 | ||||
| 2232 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); | |||
| 2233 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2234 | caplen = sizeof(tmpbuf) + payload_length_valid; | |||
| 2235 | len = sizeof(tmpbuf) + payload_length; | |||
| 2236 | ||||
| 2237 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { | |||
| 2238 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2238, __func__, "copying flexray payload failed"); } } while (0); | |||
| 2239 | return false0; | |||
| 2240 | } | |||
| 2241 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); | |||
| 2242 | ||||
| 2243 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len); | |||
| 2244 | blf_add_direction_option(params, frheader.dir); | |||
| 2245 | ||||
| 2246 | return true1; | |||
| 2247 | } | |||
| 2248 | ||||
| 2249 | static bool_Bool | |||
| 2250 | blf_read_flexrayrcvmessageex(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool ext) { | |||
| 2251 | blf_flexrayrcvmessage_t frheader; | |||
| 2252 | ||||
| 2253 | uint16_t payload_length; | |||
| 2254 | uint16_t payload_length_valid; | |||
| 2255 | uint8_t tmpbuf[7]; | |||
| 2256 | int frheadersize = sizeof(frheader); | |||
| 2257 | unsigned caplen, len; | |||
| 2258 | ||||
| 2259 | if (ext) { | |||
| 2260 | frheadersize += 40; | |||
| 2261 | } | |||
| 2262 | ||||
| 2263 | if ((int64_t)object_length < (data_start - block_start) + frheadersize) { | |||
| 2264 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2265 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for flexrayheader in object",wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for flexrayheader in object" , ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE") | |||
| 2266 | ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for flexrayheader in object" , ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE"); | |||
| 2267 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2267, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); | |||
| 2268 | return false0; | |||
| 2269 | } | |||
| 2270 | ||||
| 2271 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { | |||
| 2272 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2272, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); | |||
| 2273 | return false0; | |||
| 2274 | } | |||
| 2275 | fix_endianness_blf_flexrayrcvmessage(&frheader); | |||
| 2276 | ||||
| 2277 | if (!ext) { | |||
| 2278 | frheader.dir &= 0xff; | |||
| 2279 | frheader.cycle &= 0xff; | |||
| 2280 | } | |||
| 2281 | ||||
| 2282 | payload_length = frheader.payloadLength; | |||
| 2283 | payload_length_valid = frheader.payloadLengthValid; | |||
| 2284 | ||||
| 2285 | if ((frheader.payloadLength & 0x01) == 0x01) { | |||
| 2286 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2286, __func__, "reading odd length in FlexRay!?"); } } while (0); | |||
| 2287 | } | |||
| 2288 | ||||
| 2289 | if (payload_length_valid > object_length - (data_start - block_start) - frheadersize) { | |||
| 2290 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2290, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0); | |||
| 2291 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - frheadersize); | |||
| 2292 | } | |||
| 2293 | ||||
| 2294 | /* Measurement Header */ | |||
| 2295 | /* TODO: It seems that this format support both channels at the same time!? */ | |||
| 2296 | if (frheader.channelMask == BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01) { | |||
| 2297 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; | |||
| 2298 | } else { | |||
| 2299 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; | |||
| 2300 | } | |||
| 2301 | ||||
| 2302 | /* Error Flags */ | |||
| 2303 | tmpbuf[1] = 0; | |||
| 2304 | ||||
| 2305 | /* Frame Header */ | |||
| 2306 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8); | |||
| 2307 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) { | |||
| 2308 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40; | |||
| 2309 | } | |||
| 2310 | ||||
| 2311 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) { | |||
| 2312 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10; | |||
| 2313 | } | |||
| 2314 | ||||
| 2315 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) != BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) { | |||
| 2316 | /* NFI needs to be inversed !? */ | |||
| 2317 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20; | |||
| 2318 | } | |||
| 2319 | ||||
| 2320 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) { | |||
| 2321 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08; | |||
| 2322 | } | |||
| 2323 | ||||
| 2324 | tmpbuf[3] = 0x00ff & frheader.frameId; | |||
| 2325 | tmpbuf[4] = (0xfe & frheader.payloadLength) | ((frheader.headerCrc1 & 0x0400) >> 10); | |||
| 2326 | tmpbuf[5] = (0x03fc & frheader.headerCrc1) >> 2; | |||
| 2327 | tmpbuf[6] = ((0x0003 & frheader.headerCrc1) << 6) | (0x3f & frheader.cycle); | |||
| 2328 | ||||
| 2329 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); | |||
| 2330 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2331 | caplen = sizeof(tmpbuf) + payload_length_valid; | |||
| 2332 | len = sizeof(tmpbuf) + payload_length; | |||
| 2333 | ||||
| 2334 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + frheadersize, ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { | |||
| 2335 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2335, __func__, "copying flexray payload failed"); } } while (0); | |||
| 2336 | return false0; | |||
| 2337 | } | |||
| 2338 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); | |||
| 2339 | ||||
| 2340 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channelMask, UINT16_MAX(65535), caplen, len); | |||
| 2341 | blf_add_direction_option(params, frheader.dir); | |||
| 2342 | ||||
| 2343 | return true1; | |||
| 2344 | } | |||
| 2345 | ||||
| 2346 | static bool_Bool | |||
| 2347 | blf_read_linmessage(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool crc_error) { | |||
| 2348 | blf_linmessage_t linmessage; | |||
| 2349 | ||||
| 2350 | uint8_t payload_length; | |||
| 2351 | unsigned len; | |||
| 2352 | ||||
| 2353 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2354 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2355 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for %s in object", crc_error ? "LIN_CRC_ERROR" : "LIN_MESSAGE", crc_error ? "lincrcerror" : "linmessage")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for %s in object" , crc_error ? "LIN_CRC_ERROR" : "LIN_MESSAGE", crc_error ? "lincrcerror" : "linmessage"); | |||
| 2356 | ws_debug("not enough bytes for %s in object", crc_error ? "lincrcerror" : "linmessage")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2356, __func__, "not enough bytes for %s in object", crc_error ? "lincrcerror" : "linmessage"); } } while (0); | |||
| 2357 | return false0; | |||
| 2358 | } | |||
| 2359 | ||||
| 2360 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2361 | ws_debug("not enough bytes for %s in file", crc_error ? "lincrcerror" : "linmessage")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2361, __func__, "not enough bytes for %s in file", crc_error ? "lincrcerror" : "linmessage"); } } while (0); | |||
| 2362 | return false0; | |||
| 2363 | } | |||
| 2364 | fix_endianness_blf_linmessage(&linmessage); | |||
| 2365 | ||||
| 2366 | linmessage.dlc &= 0x0f; | |||
| 2367 | linmessage.id &= 0x3f; | |||
| 2368 | ||||
| 2369 | payload_length = MIN(linmessage.dlc, 8)(((linmessage.dlc) < (8)) ? (linmessage.dlc) : (8)); | |||
| 2370 | ||||
| 2371 | uint8_t tmpbuf[8]; | |||
| 2372 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2373 | tmpbuf[1] = 0; /* reserved */ | |||
| 2374 | tmpbuf[2] = 0; /* reserved */ | |||
| 2375 | tmpbuf[3] = 0; /* reserved */ | |||
| 2376 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2377 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ | |||
| 2378 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ | |||
| 2379 | tmpbuf[7] = 0; /* errors */ | |||
| 2380 | ||||
| 2381 | if (crc_error) { | |||
| 2382 | tmpbuf[7] |= 0x08; | |||
| 2383 | } | |||
| 2384 | ||||
| 2385 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2386 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); | |||
| 2387 | len = sizeof(tmpbuf) + payload_length; | |||
| 2388 | ||||
| 2389 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), len, len); | |||
| 2390 | blf_add_direction_option(params, linmessage.dir); | |||
| 2391 | ||||
| 2392 | return true1; | |||
| 2393 | } | |||
| 2394 | ||||
| 2395 | static bool_Bool | |||
| 2396 | blf_read_linrcverror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2397 | blf_linrcverror_t linmessage; | |||
| 2398 | ||||
| 2399 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2400 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2401 | *err_info = ws_strdup("blf: LIN_RCV_ERROR: not enough bytes for linrcverror in object")wmem_strdup(((void*)0), "blf: LIN_RCV_ERROR: not enough bytes for linrcverror in object" ); | |||
| 2402 | ws_debug("not enough bytes for linrcverror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2402, __func__, "not enough bytes for linrcverror in object" ); } } while (0); | |||
| 2403 | return false0; | |||
| 2404 | } | |||
| 2405 | ||||
| 2406 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2407 | ws_debug("not enough bytes for linrcverror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2407, __func__, "not enough bytes for linrcverror in file") ; } } while (0); | |||
| 2408 | return false0; | |||
| 2409 | } | |||
| 2410 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel))); | |||
| 2411 | ||||
| 2412 | linmessage.dlc &= 0x0f; | |||
| 2413 | linmessage.id &= 0x3f; | |||
| 2414 | ||||
| 2415 | uint8_t tmpbuf[8]; | |||
| 2416 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2417 | tmpbuf[1] = 0; /* reserved */ | |||
| 2418 | tmpbuf[2] = 0; /* reserved */ | |||
| 2419 | tmpbuf[3] = 0; /* reserved */ | |||
| 2420 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2421 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ | |||
| 2422 | tmpbuf[6] = 0; /* checksum */ | |||
| 2423 | /* XXX - This object can represent many different error types. | |||
| 2424 | * For now we always treat it as framing error, | |||
| 2425 | * but in the future we should expand it. */ | |||
| 2426 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */ | |||
| 2427 | ||||
| 2428 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2429 | ||||
| 2430 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2431 | ||||
| 2432 | return true1; | |||
| 2433 | } | |||
| 2434 | ||||
| 2435 | static bool_Bool | |||
| 2436 | blf_read_linsenderror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2437 | blf_linsenderror_t linmessage; | |||
| 2438 | ||||
| 2439 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2440 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2441 | *err_info = ws_strdup("blf: LIN_SND_ERROR: not enough bytes for linsenderror in object")wmem_strdup(((void*)0), "blf: LIN_SND_ERROR: not enough bytes for linsenderror in object" ); | |||
| 2442 | ws_debug("not enough bytes for linsenderror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2442, __func__, "not enough bytes for linsenderror in object" ); } } while (0); | |||
| 2443 | return false0; | |||
| 2444 | } | |||
| 2445 | ||||
| 2446 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2447 | ws_debug("not enough bytes for linsenderror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2447, __func__, "not enough bytes for linsenderror in file" ); } } while (0); | |||
| 2448 | return false0; | |||
| 2449 | } | |||
| 2450 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel))); | |||
| 2451 | ||||
| 2452 | linmessage.dlc &= 0x0f; | |||
| 2453 | linmessage.id &= 0x3f; | |||
| 2454 | ||||
| 2455 | uint8_t tmpbuf[8]; | |||
| 2456 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2457 | tmpbuf[1] = 0; /* reserved */ | |||
| 2458 | tmpbuf[2] = 0; /* reserved */ | |||
| 2459 | tmpbuf[3] = 0; /* reserved */ | |||
| 2460 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2461 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ | |||
| 2462 | tmpbuf[6] = 0; /* checksum */ | |||
| 2463 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */ | |||
| 2464 | ||||
| 2465 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2466 | ||||
| 2467 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2468 | ||||
| 2469 | return true1; | |||
| 2470 | } | |||
| 2471 | ||||
| 2472 | static bool_Bool | |||
| 2473 | blf_read_linwakeupevent(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2474 | blf_linwakeupevent_t linevent; | |||
| 2475 | ||||
| 2476 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { | |||
| 2477 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2478 | *err_info = ws_strdup("blf: LIN_WAKEUP: not enough bytes for linwakeup in object")wmem_strdup(((void*)0), "blf: LIN_WAKEUP: not enough bytes for linwakeup in object" ); | |||
| 2479 | ws_debug("not enough bytes for linwakeup in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2479, __func__, "not enough bytes for linwakeup in object") ; } } while (0); | |||
| 2480 | return false0; | |||
| 2481 | } | |||
| 2482 | ||||
| 2483 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { | |||
| 2484 | ws_debug("not enough bytes for linwakeup in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2484, __func__, "not enough bytes for linwakeup in file"); } } while (0); | |||
| 2485 | return false0; | |||
| 2486 | } | |||
| 2487 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel))); | |||
| 2488 | ||||
| 2489 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ | |||
| 2490 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2491 | tmpbuf[1] = 0; /* reserved */ | |||
| 2492 | tmpbuf[2] = 0; /* reserved */ | |||
| 2493 | tmpbuf[3] = 0; /* reserved */ | |||
| 2494 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2495 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ | |||
| 2496 | tmpbuf[6] = 0; /* checksum */ | |||
| 2497 | tmpbuf[7] = 0; /* errors */ | |||
| 2498 | ||||
| 2499 | /* Wake-up event */ | |||
| 2500 | tmpbuf[8] = 0xB0; | |||
| 2501 | tmpbuf[9] = 0xB0; | |||
| 2502 | tmpbuf[10] = 0x00; | |||
| 2503 | tmpbuf[11] = 0x04; | |||
| 2504 | ||||
| 2505 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2506 | ||||
| 2507 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2508 | ||||
| 2509 | return true1; | |||
| 2510 | } | |||
| 2511 | ||||
| 2512 | static bool_Bool | |||
| 2513 | blf_read_linmessage2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { | |||
| 2514 | blf_linmessage2_t linmessage; | |||
| 2515 | ||||
| 2516 | uint8_t payload_length; | |||
| 2517 | unsigned len; | |||
| 2518 | ||||
| 2519 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2520 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2521 | *err_info = ws_strdup("blf: LIN_MESSAGE2: not enough bytes for linmessage2 in object")wmem_strdup(((void*)0), "blf: LIN_MESSAGE2: not enough bytes for linmessage2 in object" ); | |||
| 2522 | ws_debug("not enough bytes for linmessage2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2522, __func__, "not enough bytes for linmessage2 in object" ); } } while (0); | |||
| 2523 | return false0; | |||
| 2524 | } | |||
| 2525 | ||||
| 2526 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2527 | ws_debug("not enough bytes for linmessage2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2527, __func__, "not enough bytes for linmessage2 in file") ; } } while (0); | |||
| 2528 | return false0; | |||
| 2529 | } | |||
| 2530 | fix_endianness_blf_linmessage2(&linmessage); | |||
| 2531 | ||||
| 2532 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; | |||
| 2533 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; | |||
| 2534 | ||||
| 2535 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); | |||
| 2536 | ||||
| 2537 | uint8_t tmpbuf[8]; | |||
| 2538 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2539 | tmpbuf[1] = 0; /* reserved */ | |||
| 2540 | tmpbuf[2] = 0; /* reserved */ | |||
| 2541 | tmpbuf[3] = 0; /* reserved */ | |||
| 2542 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2543 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ | |||
| 2544 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { | |||
| 2545 | case 0: | |||
| 2546 | tmpbuf[4] |= 1; /* Classic */ | |||
| 2547 | break; | |||
| 2548 | case 1: | |||
| 2549 | tmpbuf[4] |= 2; /* Enhanced */ | |||
| 2550 | break; | |||
| 2551 | default: | |||
| 2552 | break; | |||
| 2553 | } | |||
| 2554 | } | |||
| 2555 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ | |||
| 2556 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ | |||
| 2557 | tmpbuf[7] = 0; /* errors */ | |||
| 2558 | ||||
| 2559 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2560 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); | |||
| 2561 | len = sizeof(tmpbuf) + payload_length; | |||
| 2562 | ||||
| 2563 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); | |||
| 2564 | blf_add_direction_option(params, linmessage.dir); | |||
| 2565 | ||||
| 2566 | return true1; | |||
| 2567 | } | |||
| 2568 | ||||
| 2569 | static bool_Bool | |||
| 2570 | blf_read_lincrcerror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { | |||
| 2571 | blf_lincrcerror2_t linmessage; | |||
| 2572 | ||||
| 2573 | uint8_t payload_length; | |||
| 2574 | unsigned len; | |||
| 2575 | ||||
| 2576 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2577 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2578 | *err_info = ws_strdup("blf: LIN_CRC_ERROR2: not enough bytes for lincrcerror2 in object")wmem_strdup(((void*)0), "blf: LIN_CRC_ERROR2: not enough bytes for lincrcerror2 in object" ); | |||
| 2579 | ws_debug("not enough bytes for lincrcerror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2579, __func__, "not enough bytes for lincrcerror2 in object" ); } } while (0); | |||
| 2580 | return false0; | |||
| 2581 | } | |||
| 2582 | ||||
| 2583 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2584 | ws_debug("not enough bytes for lincrcerror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2584, __func__, "not enough bytes for lincrcerror2 in file" ); } } while (0); | |||
| 2585 | return false0; | |||
| 2586 | } | |||
| 2587 | fix_endianness_blf_lincrcerror2(&linmessage); | |||
| 2588 | ||||
| 2589 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; | |||
| 2590 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; | |||
| 2591 | ||||
| 2592 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); | |||
| 2593 | ||||
| 2594 | uint8_t tmpbuf[8]; | |||
| 2595 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2596 | tmpbuf[1] = 0; /* reserved */ | |||
| 2597 | tmpbuf[2] = 0; /* reserved */ | |||
| 2598 | tmpbuf[3] = 0; /* reserved */ | |||
| 2599 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2600 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ | |||
| 2601 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { | |||
| 2602 | case 0: | |||
| 2603 | tmpbuf[4] |= 1; /* Classic */ | |||
| 2604 | break; | |||
| 2605 | case 1: | |||
| 2606 | tmpbuf[4] |= 2; /* Enhanced */ | |||
| 2607 | break; | |||
| 2608 | default: | |||
| 2609 | break; | |||
| 2610 | } | |||
| 2611 | } | |||
| 2612 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ | |||
| 2613 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ | |||
| 2614 | tmpbuf[7] = LIN_ERROR_CHECKSUM_ERROR0x08; /* errors */ | |||
| 2615 | ||||
| 2616 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2617 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); | |||
| 2618 | len = sizeof(tmpbuf) + payload_length; | |||
| 2619 | ||||
| 2620 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); | |||
| 2621 | blf_add_direction_option(params, linmessage.dir); | |||
| 2622 | ||||
| 2623 | return true1; | |||
| 2624 | } | |||
| 2625 | ||||
| 2626 | static bool_Bool | |||
| 2627 | blf_read_linrcverror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { | |||
| 2628 | blf_linrcverror2_t linmessage; | |||
| 2629 | ||||
| 2630 | uint8_t payload_length; | |||
| 2631 | unsigned len; | |||
| 2632 | ||||
| 2633 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2634 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2635 | *err_info = ws_strdup("blf: LIN_RCV_ERROR2: not enough bytes for linrcverror2 in object")wmem_strdup(((void*)0), "blf: LIN_RCV_ERROR2: not enough bytes for linrcverror2 in object" ); | |||
| 2636 | ws_debug("not enough bytes for linrcverror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2636, __func__, "not enough bytes for linrcverror2 in object" ); } } while (0); | |||
| 2637 | return false0; | |||
| 2638 | } | |||
| 2639 | ||||
| 2640 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2641 | ws_debug("not enough bytes for linrcverror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2641, __func__, "not enough bytes for linrcverror2 in file" ); } } while (0); | |||
| 2642 | return false0; | |||
| 2643 | } | |||
| 2644 | fix_endianness_blf_linrcverror2(&linmessage); | |||
| 2645 | ||||
| 2646 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; | |||
| 2647 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; | |||
| 2648 | ||||
| 2649 | if (linmessage.hasDataBytes) { | |||
| 2650 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); | |||
| 2651 | } | |||
| 2652 | else { | |||
| 2653 | payload_length = 0; | |||
| 2654 | } | |||
| 2655 | ||||
| 2656 | uint8_t tmpbuf[8]; | |||
| 2657 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2658 | tmpbuf[1] = 0; /* reserved */ | |||
| 2659 | tmpbuf[2] = 0; /* reserved */ | |||
| 2660 | tmpbuf[3] = 0; /* reserved */ | |||
| 2661 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2662 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ | |||
| 2663 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { | |||
| 2664 | case 0: | |||
| 2665 | tmpbuf[4] |= 1; /* Classic */ | |||
| 2666 | break; | |||
| 2667 | case 1: | |||
| 2668 | tmpbuf[4] |= 2; /* Enhanced */ | |||
| 2669 | break; | |||
| 2670 | default: | |||
| 2671 | break; | |||
| 2672 | } | |||
| 2673 | } | |||
| 2674 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ | |||
| 2675 | tmpbuf[6] = 0; /* checksum */ | |||
| 2676 | /* XXX - This object can represent many different error types. | |||
| 2677 | * For now we always treat it as framing error, | |||
| 2678 | * but in the future we should expand it. */ | |||
| 2679 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */ | |||
| 2680 | ||||
| 2681 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2682 | if (payload_length > 0) { | |||
| 2683 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); | |||
| 2684 | } | |||
| 2685 | len = sizeof(tmpbuf) + payload_length; | |||
| 2686 | ||||
| 2687 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); | |||
| 2688 | ||||
| 2689 | return true1; | |||
| 2690 | } | |||
| 2691 | ||||
| 2692 | static bool_Bool | |||
| 2693 | blf_read_linsenderror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { | |||
| 2694 | blf_linsenderror2_t linmessage; | |||
| 2695 | ||||
| 2696 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { | |||
| 2697 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2698 | *err_info = ws_strdup("blf: LIN_SND_ERROR2: not enough bytes for linsenderror2 in object")wmem_strdup(((void*)0), "blf: LIN_SND_ERROR2: not enough bytes for linsenderror2 in object" ); | |||
| 2699 | ws_debug("not enough bytes for linsenderror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2699, __func__, "not enough bytes for linsenderror2 in object" ); } } while (0); | |||
| 2700 | return false0; | |||
| 2701 | } | |||
| 2702 | ||||
| 2703 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { | |||
| 2704 | ws_debug("not enough bytes for linsenderror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2704, __func__, "not enough bytes for linsenderror2 in file" ); } } while (0); | |||
| 2705 | return false0; | |||
| 2706 | } | |||
| 2707 | fix_endianness_blf_linsenderror2(&linmessage); | |||
| 2708 | ||||
| 2709 | linmessage.linMessageDescriptor.dlc &= 0x0f; | |||
| 2710 | linmessage.linMessageDescriptor.id &= 0x3f; | |||
| 2711 | ||||
| 2712 | uint8_t tmpbuf[8]; | |||
| 2713 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2714 | tmpbuf[1] = 0; /* reserved */ | |||
| 2715 | tmpbuf[2] = 0; /* reserved */ | |||
| 2716 | tmpbuf[3] = 0; /* reserved */ | |||
| 2717 | tmpbuf[4] = linmessage.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2718 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ | |||
| 2719 | switch (linmessage.linMessageDescriptor.checksumModel) { | |||
| 2720 | case 0: | |||
| 2721 | tmpbuf[4] |= 1; /* Classic */ | |||
| 2722 | break; | |||
| 2723 | case 1: | |||
| 2724 | tmpbuf[4] |= 2; /* Enhanced */ | |||
| 2725 | break; | |||
| 2726 | default: | |||
| 2727 | break; | |||
| 2728 | } | |||
| 2729 | } | |||
| 2730 | tmpbuf[5] = linmessage.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ | |||
| 2731 | tmpbuf[6] = 0; /* checksum */ | |||
| 2732 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */ | |||
| 2733 | ||||
| 2734 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2735 | ||||
| 2736 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2737 | ||||
| 2738 | return true1; | |||
| 2739 | } | |||
| 2740 | ||||
| 2741 | static bool_Bool | |||
| 2742 | blf_read_linwakeupevent2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2743 | blf_linwakeupevent2_t linevent; | |||
| 2744 | ||||
| 2745 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { | |||
| 2746 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2747 | *err_info = ws_strdup("blf: LIN_WAKEUP2: not enough bytes for linwakeup2 in object")wmem_strdup(((void*)0), "blf: LIN_WAKEUP2: not enough bytes for linwakeup2 in object" ); | |||
| 2748 | ws_debug("not enough bytes for linwakeup2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2748, __func__, "not enough bytes for linwakeup2 in object" ); } } while (0); | |||
| 2749 | return false0; | |||
| 2750 | } | |||
| 2751 | ||||
| 2752 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { | |||
| 2753 | ws_debug("not enough bytes for linwakeup2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2753, __func__, "not enough bytes for linwakeup2 in file"); } } while (0); | |||
| 2754 | return false0; | |||
| 2755 | } | |||
| 2756 | fix_endianness_blf_linwakeupevent2(&linevent); | |||
| 2757 | ||||
| 2758 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ | |||
| 2759 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2760 | tmpbuf[1] = 0; /* reserved */ | |||
| 2761 | tmpbuf[2] = 0; /* reserved */ | |||
| 2762 | tmpbuf[3] = 0; /* reserved */ | |||
| 2763 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2764 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ | |||
| 2765 | tmpbuf[6] = 0; /* checksum */ | |||
| 2766 | tmpbuf[7] = 0; /* errors */ | |||
| 2767 | ||||
| 2768 | /* Wake-up event */ | |||
| 2769 | tmpbuf[8] = 0xB0; | |||
| 2770 | tmpbuf[9] = 0xB0; | |||
| 2771 | tmpbuf[10] = 0x00; | |||
| 2772 | tmpbuf[11] = 0x04; | |||
| 2773 | ||||
| 2774 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2775 | ||||
| 2776 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2777 | ||||
| 2778 | return true1; | |||
| 2779 | } | |||
| 2780 | ||||
| 2781 | static bool_Bool | |||
| 2782 | blf_read_linsleepmodeevent(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 2783 | blf_linsleepmodeevent_t linevent; | |||
| 2784 | ||||
| 2785 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { | |||
| 2786 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 2787 | *err_info = ws_strdup("blf: LIN_SLEEP: not enough bytes for linsleep in object")wmem_strdup(((void*)0), "blf: LIN_SLEEP: not enough bytes for linsleep in object" ); | |||
| 2788 | ws_debug("not enough bytes for linsleep in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2788, __func__, "not enough bytes for linsleep in object"); } } while (0); | |||
| 2789 | return false0; | |||
| 2790 | } | |||
| 2791 | ||||
| 2792 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { | |||
| 2793 | ws_debug("not enough bytes for linsleep in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2793, __func__, "not enough bytes for linsleep in file"); } } while (0); | |||
| 2794 | return false0; | |||
| 2795 | } | |||
| 2796 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel))); | |||
| 2797 | ||||
| 2798 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ | |||
| 2799 | tmpbuf[0] = 1; /* message format rev = 1 */ | |||
| 2800 | tmpbuf[1] = 0; /* reserved */ | |||
| 2801 | tmpbuf[2] = 0; /* reserved */ | |||
| 2802 | tmpbuf[3] = 0; /* reserved */ | |||
| 2803 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ | |||
| 2804 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ | |||
| 2805 | tmpbuf[6] = 0; /* checksum */ | |||
| 2806 | tmpbuf[7] = 0; /* errors */ | |||
| 2807 | ||||
| 2808 | switch (linevent.reason) { | |||
| 2809 | case BLF_LIN_SLEEP_REASON_GO_TO_SLEEP_FRAME1: | |||
| 2810 | /* Go-to-Sleep event by Go-to-Sleep frame */ | |||
| 2811 | tmpbuf[8] = 0xB0; | |||
| 2812 | tmpbuf[9] = 0xB0; | |||
| 2813 | tmpbuf[10] = 0x00; | |||
| 2814 | tmpbuf[11] = 0x01; | |||
| 2815 | break; | |||
| 2816 | case BLF_LIN_SLEEP_REASON_BUS_IDLE_TIMEOUT2: | |||
| 2817 | case BLF_LIN_SLEEP_REASON_SILENT_SLEEPMODE_CMD3: | |||
| 2818 | /* Go-to-Sleep event by Inactivity for more than 4s */ | |||
| 2819 | tmpbuf[8] = 0xB0; | |||
| 2820 | tmpbuf[9] = 0xB0; | |||
| 2821 | tmpbuf[10] = 0x00; | |||
| 2822 | tmpbuf[11] = 0x02; | |||
| 2823 | break; | |||
| 2824 | case BLF_LIN_WU_REASON_EXTERNAL_WAKEUP_SIG9: | |||
| 2825 | case BLF_LIN_WU_REASON_INTERNAL_WAKEUP_SIG10: | |||
| 2826 | case BLF_LIN_WU_REASON_BUS_TRAFFIC11: /* There's no "wake-up by bus traffic" event in the LIN packet. */ | |||
| 2827 | /* Wake-up event by Wake-up signal */ | |||
| 2828 | tmpbuf[8] = 0xB0; | |||
| 2829 | tmpbuf[9] = 0xB0; | |||
| 2830 | tmpbuf[10] = 0x00; | |||
| 2831 | tmpbuf[11] = 0x04; | |||
| 2832 | break; | |||
| 2833 | case BLF_LIN_WU_SLEEP_REASON_START_STATE0: | |||
| 2834 | case BLF_LIN_NO_SLEEP_REASON_BUS_TRAFFIC18: | |||
| 2835 | /* If we're just reporting on the initial state, | |||
| 2836 | * or the interface doesn't want to go to sleep, | |||
| 2837 | * report the current state as "event". */ | |||
| 2838 | if (linevent.flags & 0x2) { | |||
| 2839 | /* Wake-up event by Wake-up signal */ | |||
| 2840 | tmpbuf[8] = 0xB0; | |||
| 2841 | tmpbuf[9] = 0xB0; | |||
| 2842 | tmpbuf[10] = 0x00; | |||
| 2843 | tmpbuf[11] = 0x04; | |||
| 2844 | } | |||
| 2845 | else { | |||
| 2846 | /* Go-to-Sleep event by Inactivity for more than 4s */ | |||
| 2847 | tmpbuf[8] = 0xB0; | |||
| 2848 | tmpbuf[9] = 0xB0; | |||
| 2849 | tmpbuf[10] = 0x00; | |||
| 2850 | tmpbuf[11] = 0x02; | |||
| 2851 | } | |||
| 2852 | break; | |||
| 2853 | default: | |||
| 2854 | tmpbuf[8] = 0x00; | |||
| 2855 | tmpbuf[9] = 0x00; | |||
| 2856 | tmpbuf[10] = 0x00; | |||
| 2857 | tmpbuf[11] = 0x00; | |||
| 2858 | break; | |||
| 2859 | } | |||
| 2860 | ||||
| 2861 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 2862 | ||||
| 2863 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); | |||
| 2864 | ||||
| 2865 | return true1; | |||
| 2866 | } | |||
| 2867 | ||||
| 2868 | static bool_Bool | |||
| 2869 | blf_parse_xml_port(const xmlChar* str, char** name, uint16_t* hwchannel, bool_Bool* simulated) { | |||
| 2870 | static const char name_magic[] = "name="; | |||
| 2871 | static const char hwchannel_magic[] = "hwchannel="; | |||
| 2872 | static const char simulated_magic[] = "simulated="; | |||
| 2873 | ||||
| 2874 | if (str == NULL((void*)0)) return false0; | |||
| 2875 | ||||
| 2876 | char** tokens = g_strsplit_set((const gchar*)str, ";", -1); | |||
| 2877 | if (tokens == NULL((void*)0)) { | |||
| 2878 | ws_debug("cannot split XML port data")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2878, __func__, "cannot split XML port data"); } } while (0 ); | |||
| 2879 | return false0; | |||
| 2880 | } | |||
| 2881 | ||||
| 2882 | for (int i = 0; tokens[i] != NULL((void*)0); i++) { | |||
| 2883 | const char* token = tokens[i]; | |||
| 2884 | if (name && strncmp(token, name_magic, strlen(name_magic)) == 0) { | |||
| 2885 | if (*name == NULL((void*)0)) { /* Avoid memory leak in case of repeated names */ | |||
| 2886 | *name = ws_strdup(token + strlen(name_magic))wmem_strdup(((void*)0), token + strlen(name_magic)); | |||
| 2887 | } | |||
| 2888 | } | |||
| 2889 | else if (hwchannel && strncmp(token, hwchannel_magic, strlen(hwchannel_magic)) == 0) { | |||
| 2890 | if (!ws_strtou16(token + strlen(hwchannel_magic), NULL((void*)0), hwchannel)) { | |||
| 2891 | *hwchannel = UINT16_MAX(65535); | |||
| 2892 | } | |||
| 2893 | } | |||
| 2894 | else if (simulated && strncmp(token, simulated_magic, strlen(simulated_magic)) == 0) { | |||
| 2895 | if (strlen(token) > strlen(simulated_magic) && token[strlen(simulated_magic)] != '0') { | |||
| 2896 | *simulated = true1; /* TODO: Find a way to use this information */ | |||
| 2897 | } | |||
| 2898 | } | |||
| 2899 | } | |||
| 2900 | ||||
| 2901 | g_strfreev(tokens); | |||
| 2902 | ||||
| 2903 | return true1; | |||
| 2904 | } | |||
| 2905 | ||||
| 2906 | static int | |||
| 2907 | blf_get_xml_pkt_encap(const xmlChar* str) { | |||
| 2908 | if (str == NULL((void*)0)) return 0; | |||
| 2909 | ||||
| 2910 | if (xmlStrcmp(str, "CAN") == 0) { | |||
| 2911 | return WTAP_ENCAP_SOCKETCAN125; | |||
| 2912 | } | |||
| 2913 | if (xmlStrcmp(str, "FlexRay") == 0) { | |||
| 2914 | return WTAP_ENCAP_FLEXRAY106; | |||
| 2915 | } | |||
| 2916 | if (xmlStrcmp(str, "LIN") == 0) { | |||
| 2917 | return WTAP_ENCAP_LIN107; | |||
| 2918 | } | |||
| 2919 | if (xmlStrcmp(str, "Ethernet") == 0) { | |||
| 2920 | return WTAP_ENCAP_ETHERNET1; | |||
| 2921 | } | |||
| 2922 | if (xmlStrcmp(str, "WLAN") == 0) { /* Not confirmed with a real capture */ | |||
| 2923 | return WTAP_ENCAP_IEEE_802_1120; | |||
| 2924 | } | |||
| 2925 | ||||
| 2926 | return WTAP_ENCAP_UNKNOWN0; | |||
| 2927 | } | |||
| 2928 | ||||
| 2929 | ||||
| 2930 | /** Extracts the channel and port names from a channels XML. | |||
| 2931 | * | |||
| 2932 | * A sample channels XML looks like this: | |||
| 2933 | * | |||
| 2934 | * <?xml version="1.0" encoding="UTF-8"?> | |||
| 2935 | * <channels version="1"> | |||
| 2936 | * <channel number="1" type="CAN" network="CAN01"> | |||
| 2937 | * <databases> | |||
| 2938 | * <database file="DB.arxml" path="C:\...\" cluster="CAN01" /> | |||
| 2939 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> | |||
| 2940 | * </databases> | |||
| 2941 | * </channel> | |||
| 2942 | * <channel number="1" type="LIN" network="LIN01"> | |||
| 2943 | * <databases> | |||
| 2944 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> | |||
| 2945 | * <database file="DB.ldf" path="C:\...\" cluster="LIN01" /> | |||
| 2946 | * </databases> | |||
| 2947 | * </channel> | |||
| 2948 | * <channel number="1" type="Ethernet" network="ETH01"> | |||
| 2949 | * <databases> | |||
| 2950 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> | |||
| 2951 | * </databases> | |||
| 2952 | * <channel_properties> | |||
| 2953 | * <elist name="ports"> | |||
| 2954 | * <eli name="port">name=Port1;hwchannel=11;simulated=1</eli> | |||
| 2955 | * <eli name="port">name=Port2;hwchannel=12;simulated=0</eli> | |||
| 2956 | * </elist> | |||
| 2957 | * </channel_properties> | |||
| 2958 | * </channel> | |||
| 2959 | * </channels> | |||
| 2960 | */ | |||
| 2961 | static bool_Bool | |||
| 2962 | blf_set_xml_channels(blf_params_t* params, const char* text, size_t len) { | |||
| 2963 | xmlDocPtr doc; | |||
| 2964 | xmlNodePtr root_element = NULL((void*)0); | |||
| 2965 | xmlNodePtr channels = NULL((void*)0); | |||
| 2966 | ||||
| 2967 | if (text == NULL((void*)0)) return false0; | |||
| 2968 | ||||
| 2969 | /* Now it can be parsed into a proper structure */ | |||
| 2970 | doc = xmlParseMemory(text, (int)len); | |||
| 2971 | if (doc == NULL((void*)0)) { | |||
| 2972 | ws_debug("invalid xml found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2972, __func__, "invalid xml found"); } } while (0); | |||
| 2973 | return false0; | |||
| 2974 | } | |||
| 2975 | ||||
| 2976 | root_element = xmlDocGetRootElement(doc); | |||
| 2977 | if (root_element == NULL((void*)0)) { | |||
| 2978 | ws_debug("empty xml doc")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2978, __func__, "empty xml doc"); } } while (0); | |||
| 2979 | xmlFreeDoc(doc); | |||
| 2980 | return false0; | |||
| 2981 | } | |||
| 2982 | ||||
| 2983 | if (xmlStrcmp(root_element->name, (const xmlChar*)"channels") == 0) { | |||
| 2984 | channels = root_element; | |||
| 2985 | } else { | |||
| 2986 | for (xmlNodePtr cur = root_element->children; cur != NULL((void*)0); cur = cur->next) { | |||
| 2987 | if (cur->type == XML_ELEMENT_NODE && xmlStrcmp(cur->name, (const xmlChar*)"channels") == 0) { | |||
| 2988 | channels = cur; | |||
| 2989 | break; | |||
| 2990 | } | |||
| 2991 | } | |||
| 2992 | } | |||
| 2993 | ||||
| 2994 | if (channels == NULL((void*)0)) { | |||
| 2995 | ws_debug("No channels found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2995, __func__, "No channels found"); } } while (0); | |||
| 2996 | xmlFreeDoc(doc); | |||
| 2997 | return false0; | |||
| 2998 | } | |||
| 2999 | ||||
| 3000 | for (xmlNodePtr current_channel_node = channels->children; current_channel_node != NULL((void*)0); current_channel_node = current_channel_node->next) { | |||
| 3001 | if ((current_channel_node->type == XML_ELEMENT_NODE) && (xmlStrcmp(current_channel_node->name, (const xmlChar*)"channel") == 0)) { | |||
| 3002 | /* Reset the found attributes */ | |||
| 3003 | int pkt_encap = WTAP_ENCAP_UNKNOWN0; | |||
| 3004 | uint16_t channel = UINT16_MAX(65535); | |||
| 3005 | char* channel_name = NULL((void*)0); | |||
| 3006 | ||||
| 3007 | for (xmlAttrPtr attr = current_channel_node->properties; attr; attr = attr->next) { | |||
| 3008 | if (xmlStrcmp(attr->name, (const xmlChar*)"number") == 0) { | |||
| 3009 | xmlChar* str_channel = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); | |||
| 3010 | if (str_channel != NULL((void*)0)) { | |||
| 3011 | ws_strtou16(str_channel, NULL((void*)0), &channel); | |||
| 3012 | xmlFree(str_channel); | |||
| 3013 | } | |||
| 3014 | } | |||
| 3015 | else if (xmlStrcmp(attr->name, (const xmlChar*)"type") == 0) { | |||
| 3016 | xmlChar* str_type = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); | |||
| 3017 | if (str_type != NULL((void*)0)) { | |||
| 3018 | pkt_encap = blf_get_xml_pkt_encap(str_type); | |||
| 3019 | xmlFree(str_type); | |||
| 3020 | } | |||
| 3021 | } | |||
| 3022 | else if (xmlStrcmp(attr->name, (const xmlChar*)"network") == 0) { | |||
| 3023 | xmlChar* str_network = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); | |||
| 3024 | if (str_network != NULL((void*)0)) { | |||
| 3025 | channel_name = ws_strdup((const char*)str_network)wmem_strdup(((void*)0), (const char*)str_network); | |||
| 3026 | xmlFree(str_network); | |||
| 3027 | } | |||
| 3028 | } | |||
| 3029 | } | |||
| 3030 | ||||
| 3031 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0 && channel != UINT16_MAX(65535) && channel_name != NULL((void*)0)) { | |||
| 3032 | ws_debug("Found channel in XML: PKT_ENCAP: %d, ID: %u, name: %s", pkt_encap, channel, channel_name)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3032, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, name: %s" , pkt_encap, channel, channel_name); } } while (0); | |||
| 3033 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), channel_name, true1); | |||
| 3034 | ||||
| 3035 | /* Look for ports under the channel properties */ | |||
| 3036 | for (xmlNodePtr channel_property = current_channel_node->children; channel_property != NULL((void*)0); channel_property = channel_property->next) { | |||
| 3037 | if ((channel_property->type == XML_ELEMENT_NODE) && (xmlStrcmp(channel_property->name, (const xmlChar*)"channel_properties") == 0)) { | |||
| 3038 | for (xmlNodePtr prop_child = channel_property->children; prop_child != NULL((void*)0); prop_child = prop_child->next) { | |||
| 3039 | if (prop_child->type == XML_ELEMENT_NODE && xmlStrcmp(prop_child->name, (const xmlChar*)"elist") == 0) { | |||
| 3040 | xmlNodePtr elist_node = prop_child; | |||
| 3041 | xmlChar* str_name = xmlGetProp(elist_node, (const xmlChar*)"name"); | |||
| 3042 | if (xmlStrcmp(str_name, (const xmlChar*)"ports") == 0) { | |||
| 3043 | for (xmlNodePtr eli_node = elist_node->children; eli_node != NULL((void*)0); eli_node = eli_node->next) { | |||
| 3044 | if (eli_node->type == XML_ELEMENT_NODE && xmlStrcmp(eli_node->name, (const xmlChar*)"eli") == 0) { | |||
| 3045 | xmlChar* eli_name_attr = xmlGetProp(eli_node, (const xmlChar*)"name"); | |||
| 3046 | if (xmlStrcmp(eli_name_attr, (const xmlChar*)"port") == 0) { | |||
| 3047 | char* port_name = NULL((void*)0); | |||
| 3048 | uint16_t hwchannel = UINT16_MAX(65535); | |||
| 3049 | bool_Bool simulated = false0; | |||
| 3050 | char* iface_name = NULL((void*)0); | |||
| 3051 | xmlChar* eli_content = xmlNodeGetContent(eli_node); | |||
| 3052 | ||||
| 3053 | bool_Bool res = blf_parse_xml_port(eli_content, &port_name, &hwchannel, &simulated); | |||
| 3054 | if (res && port_name != NULL((void*)0) && hwchannel != UINT16_MAX(65535)) { | |||
| 3055 | iface_name = ws_strdup_printf("%s::%s", channel_name, port_name)wmem_strdup_printf(((void*)0), "%s::%s", channel_name, port_name ); | |||
| 3056 | ws_debug("Found channel in XML: PKT_ENCAP: %d, ID: %u, HW ID: %u, name: %s", pkt_encap, channel, hwchannel, iface_name)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3056, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, HW ID: %u, name: %s" , pkt_encap, channel, hwchannel, iface_name); } } while (0); | |||
| 3057 | blf_prepare_interface_name(params, pkt_encap, channel, hwchannel, iface_name, true1); | |||
| 3058 | g_free(iface_name); | |||
| 3059 | } | |||
| 3060 | else { | |||
| 3061 | ws_debug("port with missing or malformed info found in xml")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3061, __func__, "port with missing or malformed info found in xml" ); } } while (0); | |||
| 3062 | } | |||
| 3063 | g_free(port_name); | |||
| 3064 | xmlFree(eli_content); | |||
| 3065 | } | |||
| 3066 | xmlFree(eli_name_attr); | |||
| 3067 | } | |||
| 3068 | } | |||
| 3069 | } | |||
| 3070 | xmlFree(str_name); | |||
| 3071 | } | |||
| 3072 | } | |||
| 3073 | } | |||
| 3074 | } | |||
| 3075 | } | |||
| 3076 | g_free(channel_name); | |||
| 3077 | } | |||
| 3078 | } | |||
| 3079 | ||||
| 3080 | xmlFreeDoc(doc); | |||
| 3081 | return true1; | |||
| 3082 | } | |||
| 3083 | ||||
| 3084 | static int | |||
| 3085 | blf_read_apptextmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, blf_metadata_info_t* metadata_info) { | |||
| 3086 | blf_apptext_t apptextheader; | |||
| 3087 | ||||
| 3088 | if (object_length < (data_start - block_start) + (int)sizeof(apptextheader)) { | |||
| 3089 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 3090 | *err_info = ws_strdup("blf: APP_TEXT: not enough bytes for apptext header in object")wmem_strdup(((void*)0), "blf: APP_TEXT: not enough bytes for apptext header in object" ); | |||
| 3091 | ws_debug("not enough bytes for apptext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3091, __func__, "not enough bytes for apptext header in object" ); } } while (0); | |||
| 3092 | return BLF_APPTEXT_FAILED0x000000FF; | |||
| 3093 | } | |||
| 3094 | ||||
| 3095 | if (!blf_read_bytes(params, data_start, &apptextheader, sizeof(apptextheader), err, err_info)) { | |||
| 3096 | ws_debug("not enough bytes for apptext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3096, __func__, "not enough bytes for apptext header in file" ); } } while (0); | |||
| 3097 | return BLF_APPTEXT_FAILED0x000000FF; | |||
| 3098 | } | |||
| 3099 | fix_endianness_blf_apptext_header(&apptextheader); | |||
| 3100 | ||||
| 3101 | if (metadata_info->valid && apptextheader.source != BLF_APPTEXT_METADATA0x00000002) { | |||
| 3102 | /* If we're in the middle of a sequence of metadata objects, | |||
| 3103 | * but we get an AppText object from another source, | |||
| 3104 | * skip the previously incomplete object and start fresh. | |||
| 3105 | */ | |||
| 3106 | metadata_info->valid = false0; | |||
| 3107 | } | |||
| 3108 | ||||
| 3109 | /* Add an extra byte for a terminating '\0' */ | |||
| 3110 | char* text = g_try_malloc((size_t)apptextheader.textLength + 1); | |||
| 3111 | if (text == NULL((void*)0)) { | |||
| 3112 | ws_debug("cannot allocate memory")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3112, __func__, "cannot allocate memory"); } } while (0); | |||
| 3113 | return BLF_APPTEXT_FAILED0x000000FF; | |||
| 3114 | } | |||
| 3115 | ||||
| 3116 | if (!blf_read_bytes(params, data_start + sizeof(apptextheader), text, apptextheader.textLength, err, err_info)) { | |||
| 3117 | ws_debug("not enough bytes for apptext text in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3117, __func__, "not enough bytes for apptext text in file" ); } } while (0); | |||
| 3118 | g_free(text); | |||
| 3119 | return BLF_APPTEXT_FAILED0x000000FF; | |||
| 3120 | } | |||
| 3121 | text[apptextheader.textLength] = '\0'; /* Here's the '\0' */ | |||
| 3122 | ||||
| 3123 | switch (apptextheader.source) { | |||
| 3124 | case BLF_APPTEXT_CHANNEL0x00000001: | |||
| 3125 | { | |||
| 3126 | ||||
| 3127 | /* returns a NULL terminated array of NULL terminates strings */ | |||
| 3128 | char** tokens = g_strsplit_set(text, ";", -1); | |||
| 3129 | ||||
| 3130 | if (tokens == NULL((void*)0) || tokens[0] == NULL((void*)0) || tokens[1] == NULL((void*)0)) { | |||
| 3131 | if (tokens != NULL((void*)0)) { | |||
| 3132 | g_strfreev(tokens); | |||
| 3133 | } | |||
| 3134 | g_free(text); | |||
| 3135 | return BLF_APPTEXT_CHANNEL0x00000001; | |||
| 3136 | } | |||
| 3137 | ||||
| 3138 | uint16_t channel = (apptextheader.reservedAppText1 >> 8) & 0xff; | |||
| 3139 | int pkt_encap; | |||
| 3140 | ||||
| 3141 | switch ((apptextheader.reservedAppText1 >> 16) & 0xff) { | |||
| 3142 | case BLF_BUSTYPE_CAN1: | |||
| 3143 | pkt_encap = WTAP_ENCAP_SOCKETCAN125; | |||
| 3144 | break; | |||
| 3145 | ||||
| 3146 | case BLF_BUSTYPE_FLEXRAY7: | |||
| 3147 | pkt_encap = WTAP_ENCAP_FLEXRAY106; | |||
| 3148 | break; | |||
| 3149 | ||||
| 3150 | case BLF_BUSTYPE_LIN5: | |||
| 3151 | pkt_encap = WTAP_ENCAP_LIN107; | |||
| 3152 | break; | |||
| 3153 | ||||
| 3154 | case BLF_BUSTYPE_ETHERNET11: | |||
| 3155 | pkt_encap = WTAP_ENCAP_ETHERNET1; | |||
| 3156 | break; | |||
| 3157 | ||||
| 3158 | case BLF_BUSTYPE_WLAN13: | |||
| 3159 | pkt_encap = WTAP_ENCAP_IEEE_802_1120; | |||
| 3160 | break; | |||
| 3161 | ||||
| 3162 | default: | |||
| 3163 | pkt_encap = WTAP_ENCAP_UNKNOWN0; | |||
| 3164 | break; | |||
| 3165 | } | |||
| 3166 | ||||
| 3167 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0) { | |||
| 3168 | /* we use lookup to create interface, if not existing yet */ | |||
| 3169 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), tokens[1], false0); | |||
| 3170 | } | |||
| 3171 | ||||
| 3172 | g_strfreev(tokens); | |||
| 3173 | g_free(text); | |||
| 3174 | return BLF_APPTEXT_CHANNEL0x00000001; | |||
| 3175 | } | |||
| 3176 | case BLF_APPTEXT_METADATA0x00000002: | |||
| 3177 | if (metadata_info->valid) { | |||
| 3178 | /* Set the buffer pointer to the end of the previous object */ | |||
| 3179 | params->rec->data.first_free = metadata_info->metadata_cont; | |||
| 3180 | } | |||
| 3181 | else { | |||
| 3182 | /* First object of a sequence of one or more */ | |||
| 3183 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines"); | |||
| 3184 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text"); | |||
| 3185 | switch (((apptextheader.reservedAppText1 >> 24) & 0xff)) { | |||
| 3186 | case BLF_APPTEXT_XML_GENERAL0x01: | |||
| 3187 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General"); | |||
| 3188 | break; | |||
| 3189 | ||||
| 3190 | case BLF_APPTEXT_XML_CHANNELS0x02: | |||
| 3191 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels"); | |||
| 3192 | break; | |||
| 3193 | ||||
| 3194 | case BLF_APPTEXT_XML_IDENTITY0x03: | |||
| 3195 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity"); | |||
| 3196 | break; | |||
| 3197 | ||||
| 3198 | default: | |||
| 3199 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT"Metadata"); | |||
| 3200 | } | |||
| 3201 | wtap_buffer_append_epdu_end(¶ms->rec->data); | |||
| 3202 | metadata_info->payload_start = params->rec->data.first_free; | |||
| 3203 | } | |||
| 3204 | ||||
| 3205 | ws_buffer_append(¶ms->rec->data, text, apptextheader.textLength); | |||
| 3206 | g_free(text); | |||
| 3207 | ||||
| 3208 | if ((apptextheader.reservedAppText1 & 0x00ffffff) > apptextheader.textLength) { | |||
| 3209 | /* Continues in the next object */ | |||
| 3210 | return BLF_APPTEXT_CONT0x000000FE; | |||
| 3211 | } | |||
| 3212 | ||||
| 3213 | if (((apptextheader.reservedAppText1 >> 24) & 0xff) == BLF_APPTEXT_XML_CHANNELS0x02) { | |||
| 3214 | blf_set_xml_channels(params, params->rec->data.data + metadata_info->payload_start, params->rec->data.first_free - metadata_info->payload_start); | |||
| 3215 | } | |||
| 3216 | ||||
| 3217 | /* Override the timestamp with 0 for metadata objects. Thay can only occur at the beginning of the file, and they usually already have a timestamp of 0. */ | |||
| 3218 | blf_init_rec(params, 0, 0, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); | |||
| 3219 | return BLF_APPTEXT_METADATA0x00000002; | |||
| 3220 | case BLF_APPTEXT_COMMENT0x00000000: | |||
| 3221 | case BLF_APPTEXT_ATTACHMENT0x00000003: | |||
| 3222 | case BLF_APPTEXT_TRACELINE0x00000004: | |||
| 3223 | { | |||
| 3224 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines"); | |||
| 3225 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text"); | |||
| 3226 | ||||
| 3227 | char* info_line = NULL((void*)0); | |||
| 3228 | switch (apptextheader.source) { | |||
| 3229 | case BLF_APPTEXT_COMMENT0x00000000: | |||
| 3230 | info_line = ws_strdup_printf("Comment: %s", text)wmem_strdup_printf(((void*)0), "Comment: %s", text); | |||
| 3231 | break; | |||
| 3232 | case BLF_APPTEXT_ATTACHMENT0x00000003: | |||
| 3233 | info_line = ws_strdup_printf("Attachment: %s", text)wmem_strdup_printf(((void*)0), "Attachment: %s", text); | |||
| 3234 | break; | |||
| 3235 | case BLF_APPTEXT_TRACELINE0x00000004: | |||
| 3236 | info_line = ws_strdup_printf("Trace line%s: %s", (apptextheader.reservedAppText1 & 0x00000010) ? "" : " (hidden)", text)wmem_strdup_printf(((void*)0), "Trace line%s: %s", (apptextheader .reservedAppText1 & 0x00000010) ? "" : " (hidden)", text); | |||
| 3237 | break; | |||
| 3238 | default: | |||
| 3239 | break; | |||
| 3240 | } | |||
| 3241 | ||||
| 3242 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, info_line); | |||
| 3243 | wtap_buffer_append_epdu_end(¶ms->rec->data); | |||
| 3244 | ||||
| 3245 | size_t text_length = strlen(text); /* The string can contain '\0' before textLength bytes */ | |||
| 3246 | ws_buffer_append(¶ms->rec->data, text, text_length); /* The dissector doesn't need NULL-terminated strings */ | |||
| 3247 | ||||
| 3248 | /* We'll write this as a WS UPPER PDU packet with a text blob */ | |||
| 3249 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); | |||
| 3250 | g_free(text); | |||
| 3251 | if (info_line) { | |||
| 3252 | g_free(info_line); | |||
| 3253 | } | |||
| 3254 | return apptextheader.source; | |||
| 3255 | } | |||
| 3256 | default: | |||
| 3257 | g_free(text); | |||
| 3258 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */; | |||
| 3259 | } | |||
| 3260 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */ | |||
| 3261 | } | |||
| 3262 | ||||
| 3263 | static bool_Bool | |||
| 3264 | blf_read_ethernet_status(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { | |||
| 3265 | blf_ethernet_status_t ethernet_status_header; | |||
| 3266 | uint8_t tmpbuf[24]; | |||
| 3267 | uint64_t linkUpDuration; | |||
| 3268 | ||||
| 3269 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_status_header) + (int)(object_version >= 1 ? 8 : 0)) { | |||
| 3270 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 3271 | *err_info = ws_strdup("blf: ETHERNET_STATUS: not enough bytes for ethernet status header in object")wmem_strdup(((void*)0), "blf: ETHERNET_STATUS: not enough bytes for ethernet status header in object" ); | |||
| 3272 | ws_debug("not enough bytes for ethernet status header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3272, __func__, "not enough bytes for ethernet status header in object" ); } } while (0); | |||
| 3273 | return false0; | |||
| 3274 | } | |||
| 3275 | ||||
| 3276 | if (!blf_read_bytes(params, data_start, ðernet_status_header, sizeof(ethernet_status_header), err, err_info)) { | |||
| 3277 | ws_debug("not enough bytes for ethernet_status_header header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3277, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0); | |||
| 3278 | return false0; | |||
| 3279 | } | |||
| 3280 | ||||
| 3281 | if (object_version >= 1) { | |||
| 3282 | if (!blf_read_bytes(params, data_start + sizeof(ethernet_status_header), &linkUpDuration, 8, err, err_info)) { | |||
| 3283 | ws_debug("not enough bytes for ethernet_status_header header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3283, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0); | |||
| 3284 | return false0; | |||
| 3285 | } | |||
| 3286 | linkUpDuration = GUINT64_FROM_LE(linkUpDuration)(((guint64) (linkUpDuration))); | |||
| 3287 | } | |||
| 3288 | ||||
| 3289 | fix_endianness_blf_ethernet_status_header(ðernet_status_header); | |||
| 3290 | ||||
| 3291 | phtonu16(tmpbuf, ethernet_status_header.channel); | |||
| 3292 | phtonu16(tmpbuf + 2, ethernet_status_header.flags); | |||
| 3293 | tmpbuf[4] = (ethernet_status_header.linkStatus); | |||
| 3294 | tmpbuf[5] = (ethernet_status_header.ethernetPhy); | |||
| 3295 | tmpbuf[6] = (ethernet_status_header.duplex); | |||
| 3296 | tmpbuf[7] = (ethernet_status_header.mdi); | |||
| 3297 | tmpbuf[8] = (ethernet_status_header.connector); | |||
| 3298 | tmpbuf[9] = (ethernet_status_header.clockMode); | |||
| 3299 | tmpbuf[10] = (ethernet_status_header.pairs); | |||
| 3300 | tmpbuf[11] = (ethernet_status_header.hardwareChannel); | |||
| 3301 | phtonu32(tmpbuf + 12, ethernet_status_header.bitrate); | |||
| 3302 | ||||
| 3303 | if (object_version >= 1) { | |||
| 3304 | phtonu64(tmpbuf + 16, linkUpDuration); | |||
| 3305 | } | |||
| 3306 | ||||
| 3307 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHSTATUS"blf-ethernetstatus-obj"); | |||
| 3308 | wtap_buffer_append_epdu_end(¶ms->rec->data); | |||
| 3309 | ||||
| 3310 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)(object_version >= 1 ? 24 : 16)); | |||
| 3311 | ||||
| 3312 | /* We'll write this as a WS UPPER PDU packet with a data blob */ | |||
| 3313 | /* This will create an interface with the "name" of the matching | |||
| 3314 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware | |||
| 3315 | * channel prefixed with "STATUS" and with a different interface ID, | |||
| 3316 | * because IDBs in pcapng can only have one linktype. | |||
| 3317 | * The other option would be to write everything as UPPER_PDU, including | |||
| 3318 | * the Ethernet data (with one of the "eth_" dissectors.) | |||
| 3319 | */ | |||
| 3320 | char* iface_name = ws_strdup_printf("STATUS-ETH-%u-%u", ethernet_status_header.channel, ethernet_status_header.hardwareChannel)wmem_strdup_printf(((void*)0), "STATUS-ETH-%u-%u", ethernet_status_header .channel, ethernet_status_header.hardwareChannel); | |||
| 3321 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_status_header.channel, ethernet_status_header.hardwareChannel, iface_name); | |||
| 3322 | g_free(iface_name); | |||
| 3323 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_status_header.channel, ethernet_status_header.hardwareChannel, (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); | |||
| 3324 | ||||
| 3325 | if ((ethernet_status_header.flags & BLF_ETH_STATUS_HARDWARECHANNEL0x0100) == BLF_ETH_STATUS_HARDWARECHANNEL0x0100) { | |||
| 3326 | /* If HW channel valid */ | |||
| 3327 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_status_header.hardwareChannel); | |||
| 3328 | } | |||
| 3329 | ||||
| 3330 | return true1; | |||
| 3331 | } | |||
| 3332 | ||||
| 3333 | static bool_Bool | |||
| 3334 | blf_read_ethernet_phystate(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { | |||
| 3335 | blf_ethernet_phystate_t ethernet_phystate_header; | |||
| 3336 | uint8_t tmpbuf[8]; | |||
| 3337 | ||||
| 3338 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_phystate_header)) { | |||
| 3339 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 3340 | *err_info = ws_strdup("blf: ETHERNET_PHY_STATE: not enough bytes for ethernet phystate header in object")wmem_strdup(((void*)0), "blf: ETHERNET_PHY_STATE: not enough bytes for ethernet phystate header in object" ); | |||
| 3341 | ws_debug("not enough bytes for ethernet phystate header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3341, __func__, "not enough bytes for ethernet phystate header in object" ); } } while (0); | |||
| 3342 | return false0; | |||
| 3343 | } | |||
| 3344 | ||||
| 3345 | if (!blf_read_bytes(params, data_start, ðernet_phystate_header, sizeof(ethernet_phystate_header), err, err_info)) { | |||
| 3346 | ws_debug("not enough bytes for ethernet phystate header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3346, __func__, "not enough bytes for ethernet phystate header in file" ); } } while (0); | |||
| 3347 | return false0; | |||
| 3348 | } | |||
| 3349 | ||||
| 3350 | fix_endianness_blf_ethernet_phystate_header(ðernet_phystate_header); | |||
| 3351 | ||||
| 3352 | phtonu16(tmpbuf, ethernet_phystate_header.channel); | |||
| 3353 | phtonu16(tmpbuf + 2, ethernet_phystate_header.flags); | |||
| 3354 | tmpbuf[4] = (ethernet_phystate_header.phyState); | |||
| 3355 | tmpbuf[5] = (ethernet_phystate_header.phyEvent); | |||
| 3356 | tmpbuf[6] = (ethernet_phystate_header.hardwareChannel); | |||
| 3357 | tmpbuf[7] = (ethernet_phystate_header.res1); | |||
| 3358 | ||||
| 3359 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS"blf-ethernetphystate-obj"); | |||
| 3360 | wtap_buffer_append_epdu_end(¶ms->rec->data); | |||
| 3361 | ||||
| 3362 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); | |||
| 3363 | ||||
| 3364 | /* We'll write this as a WS UPPER PDU packet with a data blob */ | |||
| 3365 | /* This will create an interface with the "name" of the matching | |||
| 3366 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware | |||
| 3367 | * channel prefixed with "STATUS" and with a different interface ID, | |||
| 3368 | * because IDBs in pcapng can only have one linktype. | |||
| 3369 | * The other option would be to write everything as UPPER_PDU, including | |||
| 3370 | * the Ethernet data (with one of the "eth_" dissectors.) | |||
| 3371 | */ | |||
| 3372 | char* iface_name = ws_strdup_printf("STATUS-ETH-%u-%u", ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel)wmem_strdup_printf(((void*)0), "STATUS-ETH-%u-%u", ethernet_phystate_header .channel, ethernet_phystate_header.hardwareChannel); | |||
| 3373 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel, iface_name); | |||
| 3374 | g_free(iface_name); | |||
| 3375 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel, (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); | |||
| 3376 | ||||
| 3377 | if ((ethernet_phystate_header.flags & BLF_PHY_STATE_HARDWARECHANNEL0x0004) == BLF_PHY_STATE_HARDWARECHANNEL0x0004) { | |||
| 3378 | /* If HW channel valid */ | |||
| 3379 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_phystate_header.hardwareChannel); | |||
| 3380 | } | |||
| 3381 | ||||
| 3382 | return true1; | |||
| 3383 | } | |||
| 3384 | ||||
| 3385 | static bool_Bool | |||
| 3386 | blf_read_block(blf_params_t *params, int64_t start_pos, int *err, char **err_info) { | |||
| 3387 | blf_blockheader_t header; | |||
| 3388 | blf_logobjectheader_t logheader; | |||
| 3389 | blf_logobjectheader2_t logheader2; | |||
| 3390 | blf_logobjectheader3_t logheader3; | |||
| 3391 | uint32_t flags; | |||
| 3392 | uint64_t object_timestamp; | |||
| 3393 | uint16_t object_version; | |||
| 3394 | blf_metadata_info_t metadata_info = { 0, 0, false0 }; | |||
| 3395 | int64_t last_metadata_start = 0; | |||
| 3396 | ||||
| 3397 | while (1) { | |||
| 3398 | /* Find Object */ | |||
| 3399 | ||||
| 3400 | /* Resetting buffer */ | |||
| 3401 | params->rec->data.first_free = params->rec->data.start; | |||
| 3402 | ||||
| 3403 | while (1) { | |||
| 3404 | if (!blf_read_bytes_or_eof(params, start_pos, &header, sizeof header, err, err_info)) { | |||
| 3405 | ws_debug("not enough bytes for block header or unsupported file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3405, __func__, "not enough bytes for block header or unsupported file" ); } } while (0); | |||
| 3406 | if (*err == WTAP_ERR_SHORT_READ-12) { | |||
| 3407 | /* we have found the end that is not a short read therefore. */ | |||
| 3408 | *err = 0; | |||
| 3409 | g_free(*err_info); | |||
| 3410 | *err_info = NULL((void*)0); | |||
| 3411 | } | |||
| 3412 | return false0; | |||
| 3413 | } | |||
| 3414 | ||||
| 3415 | fix_endianness_blf_blockheader(&header); | |||
| 3416 | ||||
| 3417 | if (memcmp(header.magic, blf_obj_magic, sizeof(blf_obj_magic))) { | |||
| 3418 | ws_debug("object magic is not LOBJ (pos: 0x%" PRIx64 ")", start_pos)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3418, __func__, "object magic is not LOBJ (pos: 0x%" "l" "x" ")", start_pos); } } while (0); | |||
| 3419 | } | |||
| 3420 | else { | |||
| 3421 | break; | |||
| 3422 | } | |||
| 3423 | ||||
| 3424 | /* we are moving back and try again but 1 byte later */ | |||
| 3425 | /* TODO: better understand how this paddings works... */ | |||
| 3426 | start_pos++; | |||
| 3427 | } | |||
| 3428 | params->blf_data->start_of_last_obj = start_pos; | |||
| 3429 | ||||
| 3430 | if (!params->random) { | |||
| 3431 | /* Make sure that we start after this object next time, | |||
| 3432 | * but only if it's a linear read. We can have random reads | |||
| 3433 | * during the linear read, so we have to make sure we don't | |||
| 3434 | * lose track of our position. | |||
| 3435 | */ | |||
| 3436 | params->blf_data->current_real_seek_pos = start_pos + MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); | |||
| 3437 | } | |||
| 3438 | ||||
| 3439 | switch (header.header_type) { | |||
| 3440 | case BLF_HEADER_TYPE_DEFAULT1: | |||
| 3441 | if (!blf_read_log_object_header(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader)) { | |||
| 3442 | return false0; | |||
| 3443 | } | |||
| 3444 | flags = logheader.flags; | |||
| 3445 | object_timestamp = logheader.object_timestamp; | |||
| 3446 | object_version = logheader.object_version; | |||
| 3447 | break; | |||
| 3448 | ||||
| 3449 | case BLF_HEADER_TYPE_22: | |||
| 3450 | if (!blf_read_log_object_header2(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader2)) { | |||
| 3451 | return false0; | |||
| 3452 | } | |||
| 3453 | flags = logheader2.flags; | |||
| 3454 | object_timestamp = logheader2.object_timestamp; | |||
| 3455 | object_version = logheader2.object_version; | |||
| 3456 | break; | |||
| 3457 | ||||
| 3458 | case BLF_HEADER_TYPE_33: | |||
| 3459 | if (!blf_read_log_object_header3(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader3)) { | |||
| 3460 | return false0; | |||
| 3461 | } | |||
| 3462 | flags = logheader3.flags; | |||
| 3463 | object_timestamp = logheader3.object_timestamp; | |||
| 3464 | object_version = logheader3.object_version; | |||
| 3465 | break; | |||
| 3466 | ||||
| 3467 | default: | |||
| 3468 | *err = WTAP_ERR_UNSUPPORTED-4; | |||
| 3469 | *err_info = ws_strdup_printf("blf: unknown header type %u", header.header_type)wmem_strdup_printf(((void*)0), "blf: unknown header type %u", header.header_type); | |||
| 3470 | ws_debug("unknown header type")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3470, __func__, "unknown header type"); } } while (0); | |||
| 3471 | return false0; | |||
| 3472 | } | |||
| 3473 | ||||
| 3474 | if (metadata_info.valid && header.object_type != BLF_OBJTYPE_APP_TEXT65) { | |||
| 3475 | /* If we're in the middle of a sequence of AppText metadata objects, | |||
| 3476 | * but we get an AppText object from another source, | |||
| 3477 | * skip the previous incomplete packet and start fresh. | |||
| 3478 | */ | |||
| 3479 | metadata_info.valid = false0; | |||
| 3480 | } | |||
| 3481 | ||||
| 3482 | switch (header.object_type) { | |||
| 3483 | case BLF_OBJTYPE_LOG_CONTAINER10: | |||
| 3484 | *err = WTAP_ERR_UNSUPPORTED-4; | |||
| 3485 | *err_info = ws_strdup("blf: log container in log container not supported")wmem_strdup(((void*)0), "blf: log container in log container not supported" ); | |||
| 3486 | ws_debug("log container in log container not supported")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3486, __func__, "log container in log container not supported" ); } } while (0); | |||
| 3487 | return false0; | |||
| 3488 | ||||
| 3489 | case BLF_OBJTYPE_ETHERNET_FRAME71: | |||
| 3490 | return blf_read_ethernetframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3491 | ||||
| 3492 | case BLF_OBJTYPE_ETHERNET_FRAME_EX120: | |||
| 3493 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); | |||
| 3494 | ||||
| 3495 | case BLF_OBJTYPE_ETHERNET_RX_ERROR102: | |||
| 3496 | return blf_read_ethernet_rxerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3497 | ||||
| 3498 | case BLF_OBJTYPE_ETHERNET_ERROR_EX122: | |||
| 3499 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); | |||
| 3500 | ||||
| 3501 | case BLF_OBJTYPE_WLAN_FRAME93: | |||
| 3502 | return blf_read_wlanframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3503 | ||||
| 3504 | case BLF_OBJTYPE_CAN_MESSAGE1: | |||
| 3505 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); | |||
| 3506 | ||||
| 3507 | case BLF_OBJTYPE_CAN_ERROR2: | |||
| 3508 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); | |||
| 3509 | ||||
| 3510 | case BLF_OBJTYPE_CAN_OVERLOAD3: | |||
| 3511 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); | |||
| 3512 | ||||
| 3513 | case BLF_OBJTYPE_CAN_MESSAGE286: | |||
| 3514 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); | |||
| 3515 | ||||
| 3516 | case BLF_OBJTYPE_CAN_ERROR_EXT73: | |||
| 3517 | return blf_read_canerrorext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3518 | ||||
| 3519 | case BLF_OBJTYPE_CAN_FD_MESSAGE100: | |||
| 3520 | return blf_read_canfdmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3521 | ||||
| 3522 | case BLF_OBJTYPE_CAN_FD_MESSAGE_64101: | |||
| 3523 | return blf_read_canfdmessage64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3524 | ||||
| 3525 | case BLF_OBJTYPE_CAN_FD_ERROR_64104: | |||
| 3526 | return blf_read_canfderror64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3527 | ||||
| 3528 | case BLF_OBJTYPE_FLEXRAY_DATA29: | |||
| 3529 | return blf_read_flexraydata(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3530 | ||||
| 3531 | case BLF_OBJTYPE_FLEXRAY_MESSAGE41: | |||
| 3532 | return blf_read_flexraymessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3533 | ||||
| 3534 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50: | |||
| 3535 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); | |||
| 3536 | ||||
| 3537 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE_EX66: | |||
| 3538 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); | |||
| 3539 | ||||
| 3540 | case BLF_OBJTYPE_LIN_MESSAGE11: | |||
| 3541 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); | |||
| 3542 | ||||
| 3543 | case BLF_OBJTYPE_LIN_CRC_ERROR12: | |||
| 3544 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); | |||
| 3545 | ||||
| 3546 | case BLF_OBJTYPE_LIN_RCV_ERROR14: | |||
| 3547 | return blf_read_linrcverror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3548 | ||||
| 3549 | case BLF_OBJTYPE_LIN_SND_ERROR15: | |||
| 3550 | return blf_read_linsenderror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3551 | ||||
| 3552 | case BLF_OBJTYPE_LIN_WAKEUP21: | |||
| 3553 | return blf_read_linwakeupevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3554 | ||||
| 3555 | case BLF_OBJTYPE_LIN_MESSAGE257: | |||
| 3556 | return blf_read_linmessage2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); | |||
| 3557 | ||||
| 3558 | case BLF_OBJTYPE_LIN_CRC_ERROR260: | |||
| 3559 | return blf_read_lincrcerror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); | |||
| 3560 | ||||
| 3561 | case BLF_OBJTYPE_LIN_RCV_ERROR261: | |||
| 3562 | return blf_read_linrcverror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); | |||
| 3563 | ||||
| 3564 | case BLF_OBJTYPE_LIN_SND_ERROR258: | |||
| 3565 | return blf_read_linsenderror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); | |||
| 3566 | ||||
| 3567 | case BLF_OBJTYPE_LIN_WAKEUP262: | |||
| 3568 | return blf_read_linwakeupevent2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3569 | ||||
| 3570 | case BLF_OBJTYPE_LIN_SLEEP20: | |||
| 3571 | return blf_read_linsleepmodeevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3572 | ||||
| 3573 | case BLF_OBJTYPE_APP_TEXT65: | |||
| 3574 | { | |||
| 3575 | int result = blf_read_apptextmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, &metadata_info); | |||
| 3576 | if (result == BLF_APPTEXT_CONT0x000000FE) { | |||
| 3577 | if (!metadata_info.valid) { | |||
| 3578 | /* First object of a sequence, save its start position */ | |||
| 3579 | last_metadata_start = start_pos; | |||
| 3580 | metadata_info.valid = true1; | |||
| 3581 | } | |||
| 3582 | /* Save a pointer to the end of the buffer */ | |||
| 3583 | metadata_info.metadata_cont = params->rec->data.first_free; | |||
| 3584 | } | |||
| 3585 | else { | |||
| 3586 | if (result == BLF_APPTEXT_METADATA0x00000002 && metadata_info.valid) { | |||
| 3587 | /* Last object of a sequence, restore the start position of the first object */ | |||
| 3588 | params->blf_data->start_of_last_obj = last_metadata_start; | |||
| 3589 | } | |||
| 3590 | /* Reset everything and start fresh */ | |||
| 3591 | metadata_info.valid = false0; | |||
| 3592 | } | |||
| 3593 | switch (result) { | |||
| 3594 | case BLF_APPTEXT_FAILED0x000000FF: | |||
| 3595 | return false0; | |||
| 3596 | case BLF_APPTEXT_COMMENT0x00000000: | |||
| 3597 | case BLF_APPTEXT_METADATA0x00000002: | |||
| 3598 | case BLF_APPTEXT_ATTACHMENT0x00000003: | |||
| 3599 | case BLF_APPTEXT_TRACELINE0x00000004: | |||
| 3600 | return true1; | |||
| 3601 | case BLF_APPTEXT_CHANNEL0x00000001: | |||
| 3602 | case BLF_APPTEXT_CONT0x000000FE: | |||
| 3603 | default: | |||
| 3604 | /* we do not return since there is no packet to show here */ | |||
| 3605 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); | |||
| 3606 | break; | |||
| 3607 | } | |||
| 3608 | } | |||
| 3609 | break; | |||
| 3610 | ||||
| 3611 | case BLF_OBJTYPE_ETHERNET_STATUS103: | |||
| 3612 | return blf_read_ethernet_status(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); | |||
| 3613 | ||||
| 3614 | case BLF_OBJTYPE_ETHERNET_PHY_STATE133: | |||
| 3615 | return blf_read_ethernet_phystate(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); | |||
| 3616 | ||||
| 3617 | case BLF_OBJTYPE_ENV_INTEGER6: | |||
| 3618 | case BLF_OBJTYPE_ENV_DOUBLE7: | |||
| 3619 | case BLF_OBJTYPE_ENV_STRING8: | |||
| 3620 | case BLF_OBJTYPE_ENV_DATA9: | |||
| 3621 | case BLF_OBJTYPE_SYS_VARIABLE72: | |||
| 3622 | case BLF_OBJTYPE_RESERVED5115: /* Despite the name, this is actually used. Maybe it's worth investigating the content. */ | |||
| 3623 | case BLF_OBJTYPE_TEST_STRUCTURE118: | |||
| 3624 | ws_debug("skipping unsupported object type 0x%04x", header.object_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3624, __func__, "skipping unsupported object type 0x%04x", header .object_type); } } while (0); | |||
| 3625 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); | |||
| 3626 | break; | |||
| 3627 | default: | |||
| 3628 | ws_info("unknown object type 0x%04x", header.object_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_INFO, ((void*) 0), -1, ((void*)0), "unknown object type 0x%04x", header.object_type ); } } while (0); | |||
| 3629 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); | |||
| 3630 | break; | |||
| 3631 | } | |||
| 3632 | } | |||
| 3633 | return true1; | |||
| 3634 | } | |||
| 3635 | ||||
| 3636 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset) { | |||
| 3637 | blf_params_t blf_tmp; | |||
| 3638 | ||||
| 3639 | blf_tmp.wth = wth; | |||
| 3640 | blf_tmp.fh = wth->fh; | |||
| 3641 | blf_tmp.random = false0; | |||
| 3642 | blf_tmp.pipe = wth->ispipe; | |||
| 3643 | blf_tmp.rec = rec; | |||
| 3644 | blf_tmp.blf_data = (blf_t *)wth->priv; | |||
| 3645 | ||||
| 3646 | if (!blf_read_block(&blf_tmp, blf_tmp.blf_data->current_real_seek_pos, err, err_info)) { | |||
| 3647 | return false0; | |||
| 3648 | } | |||
| 3649 | *data_offset = blf_tmp.blf_data->start_of_last_obj; | |||
| 3650 | ||||
| 3651 | return true1; | |||
| 3652 | } | |||
| 3653 | ||||
| 3654 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec *rec, int *err, char **err_info) { | |||
| 3655 | blf_params_t blf_tmp; | |||
| 3656 | ||||
| 3657 | blf_tmp.wth = wth; | |||
| 3658 | blf_tmp.fh = wth->random_fh; | |||
| 3659 | blf_tmp.random = true1; | |||
| 3660 | blf_tmp.pipe = wth->ispipe; | |||
| 3661 | blf_tmp.rec = rec; | |||
| 3662 | blf_tmp.blf_data = (blf_t *)wth->priv; | |||
| 3663 | ||||
| 3664 | if (!blf_read_block(&blf_tmp, seek_off, err, err_info)) { | |||
| 3665 | ws_debug("couldn't read packet block (err=%d).", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3665, __func__, "couldn't read packet block (err=%d).", *err ); } } while (0); | |||
| 3666 | return false0; | |||
| 3667 | } | |||
| 3668 | ||||
| 3669 | return true1; | |||
| 3670 | } | |||
| 3671 | ||||
| 3672 | static void blf_free(blf_t *blf) { | |||
| 3673 | if (blf != NULL((void*)0)) { | |||
| 3674 | if (blf->log_containers != NULL((void*)0)) { | |||
| 3675 | for (unsigned i = 0; i < blf->log_containers->len; i++) { | |||
| 3676 | blf_log_container_t* log_container = &g_array_index(blf->log_containers, blf_log_container_t, i)(((blf_log_container_t*) (void *) (blf->log_containers)-> data) [(i)]); | |||
| 3677 | if (log_container->real_data != NULL((void*)0)) { | |||
| 3678 | g_free(log_container->real_data); | |||
| 3679 | } | |||
| 3680 | } | |||
| 3681 | g_array_free(blf->log_containers, true1); | |||
| 3682 | blf->log_containers = NULL((void*)0); | |||
| 3683 | } | |||
| 3684 | if (blf->channel_to_iface_ht != NULL((void*)0)) { | |||
| 3685 | g_hash_table_destroy(blf->channel_to_iface_ht); | |||
| 3686 | blf->channel_to_iface_ht = NULL((void*)0); | |||
| 3687 | } | |||
| 3688 | if (blf->channel_to_name_ht != NULL((void*)0)) { | |||
| 3689 | g_hash_table_destroy(blf->channel_to_name_ht); | |||
| 3690 | blf->channel_to_name_ht = NULL((void*)0); | |||
| 3691 | } | |||
| 3692 | } | |||
| 3693 | } | |||
| 3694 | ||||
| 3695 | static void blf_close(wtap *wth) { | |||
| 3696 | blf_free((blf_t *)wth->priv); | |||
| 3697 | ||||
| 3698 | /* TODO: do we need to reverse the wtap_add_idb? how? */ | |||
| 3699 | } | |||
| 3700 | ||||
| 3701 | wtap_open_return_val | |||
| 3702 | blf_open(wtap *wth, int *err, char **err_info) { | |||
| 3703 | blf_fileheader_t header; | |||
| 3704 | blf_t *blf; | |||
| 3705 | ||||
| 3706 | ws_debug("opening file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3706, __func__, "opening file"); } } while (0); | |||
| 3707 | ||||
| 3708 | if (!wtap_read_bytes_or_eof(wth->fh, &header, sizeof(blf_fileheader_t), err, err_info)) { | |||
| 3709 | ||||
| 3710 | ws_debug("wtap_read_bytes_or_eof() failed, err = %d.", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3710, __func__, "wtap_read_bytes_or_eof() failed, err = %d." , *err); } } while (0); | |||
| 3711 | if (*err == 0 || *err == WTAP_ERR_SHORT_READ-12) { | |||
| 3712 | /* | |||
| 3713 | * Short read or EOF. | |||
| 3714 | * | |||
| 3715 | * We're reading this as part of an open, so | |||
| 3716 | * the file is too short to be a blf file. | |||
| 3717 | */ | |||
| 3718 | *err = 0; | |||
| 3719 | g_free(*err_info); | |||
| 3720 | *err_info = NULL((void*)0); | |||
| 3721 | return WTAP_OPEN_NOT_MINE; | |||
| 3722 | } | |||
| 3723 | return WTAP_OPEN_ERROR; | |||
| 3724 | } | |||
| 3725 | ||||
| 3726 | fix_endianness_blf_fileheader(&header); | |||
| 3727 | ||||
| 3728 | if (memcmp(header.magic, blf_magic, sizeof(blf_magic))) { | |||
| 3729 | return WTAP_OPEN_NOT_MINE; | |||
| 3730 | } | |||
| 3731 | ||||
| 3732 | /* This seems to be an BLF! */ | |||
| 3733 | /* Check for a valid header length */ | |||
| 3734 | if (header.header_length < sizeof(blf_fileheader_t)) { | |||
| 3735 | *err = WTAP_ERR_BAD_FILE-13; | |||
| 3736 | *err_info = ws_strdup("blf: file header length too short")wmem_strdup(((void*)0), "blf: file header length too short"); | |||
| 3737 | return WTAP_OPEN_ERROR; | |||
| 3738 | } | |||
| 3739 | ||||
| 3740 | /* skip past the header, which may include padding/reserved space */ | |||
| 3741 | if (!wtap_read_bytes(wth->fh, NULL((void*)0), header.header_length - sizeof(blf_fileheader_t), err, err_info)) { | |||
| 3742 | return WTAP_OPEN_ERROR; | |||
| 3743 | } | |||
| 3744 | ||||
| 3745 | /* Prepare our private context. */ | |||
| 3746 | blf = g_new(blf_t, 1)((blf_t *) g_malloc_n ((1), sizeof (blf_t))); | |||
| 3747 | blf->log_containers = g_array_new(false0, false0, sizeof(blf_log_container_t)); | |||
| 3748 | blf->current_real_seek_pos = 0; | |||
| 3749 | blf->start_offset_ns = blf_get_start_offset_ns(&header.start_date); | |||
| 3750 | ||||
| 3751 | blf->channel_to_iface_ht = g_hash_table_new_full(g_int64_hash, g_int64_equal, &blf_free_key, &blf_free_channel_to_iface_entry); | |||
| 3752 | blf->channel_to_name_ht = g_hash_table_new_full(g_int64_hash, g_int64_equal, &blf_free_key, &blf_free_channel_to_name_entry); | |||
| 3753 | blf->next_interface_id = 0; | |||
| 3754 | ||||
| 3755 | wth->priv = (void *)blf; | |||
| 3756 | wth->file_encap = WTAP_ENCAP_NONE-2; | |||
| 3757 | wth->snapshot_length = 0; | |||
| 3758 | wth->file_tsprec = WTAP_TSPREC_UNKNOWN-2; | |||
| 3759 | wth->subtype_read = blf_read; | |||
| 3760 | wth->subtype_seek_read = blf_seek_read; | |||
| 3761 | wth->subtype_close = blf_close; | |||
| 3762 | wth->file_type_subtype = blf_file_type_subtype; | |||
| 3763 | ||||
| 3764 | return WTAP_OPEN_MINE; | |||
| 3765 | } | |||
| 3766 | ||||
| 3767 | /* Options for interface blocks. */ | |||
| 3768 | static const struct supported_option_type interface_block_options_supported[] = { | |||
| 3769 | /* No comments, just an interface name. */ | |||
| 3770 | { OPT_IDB_NAME2, ONE_OPTION_SUPPORTED } | |||
| 3771 | }; | |||
| 3772 | ||||
| 3773 | static const struct supported_block_type blf_blocks_supported[] = { | |||
| 3774 | { WTAP_BLOCK_PACKET, MULTIPLE_BLOCKS_SUPPORTED, NO_OPTIONS_SUPPORTED0, ((void*)0) }, | |||
| 3775 | { WTAP_BLOCK_IF_ID_AND_INFO, MULTIPLE_BLOCKS_SUPPORTED, OPTION_TYPES_SUPPORTED(interface_block_options_supported)(sizeof (interface_block_options_supported) / sizeof (interface_block_options_supported )[0]), interface_block_options_supported }, | |||
| 3776 | }; | |||
| 3777 | ||||
| 3778 | ||||
| 3779 | /***********************/ | |||
| 3780 | /* BLF Writing Support */ | |||
| 3781 | /***********************/ | |||
| 3782 | ||||
| 3783 | /* 10MB = 10485760 */ | |||
| 3784 | #define LOG_CONTAINER_BUFFER_SIZE10485760 10485760 | |||
| 3785 | ||||
| 3786 | #define LOG_CONTAINER_NONE(18446744073709551615UL) UINT64_MAX(18446744073709551615UL) | |||
| 3787 | ||||
| 3788 | typedef struct _blf_writer_data { | |||
| 3789 | GArray *iface_to_channel_array; | |||
| 3790 | bool_Bool iface_to_channel_names_recovered; | |||
| 3791 | ||||
| 3792 | blf_fileheader_t *fileheader; | |||
| 3793 | uint32_t object_count; | |||
| 3794 | uint64_t start_time; | |||
| 3795 | bool_Bool start_time_set; | |||
| 3796 | uint64_t end_time; | |||
| 3797 | ||||
| 3798 | uint64_t logcontainer_start; | |||
| 3799 | blf_blockheader_t logcontainer_block_header; | |||
| 3800 | blf_logcontainerheader_t logcontainer_header; | |||
| 3801 | } blf_writer_data_t; | |||
| 3802 | ||||
| 3803 | static void | |||
| 3804 | blf_dump_init_channel_to_iface_entry(blf_channel_to_iface_entry_t* tmp, unsigned int if_id) { | |||
| 3805 | tmp->channel = 0; | |||
| 3806 | tmp->hwchannel = UINT16_MAX(65535); | |||
| 3807 | tmp->interface_id = if_id; | |||
| 3808 | tmp->pkt_encap = WTAP_ENCAP_NONE-2; | |||
| 3809 | } | |||
| 3810 | ||||
| 3811 | static void | |||
| 3812 | blf_dump_expand_interface_mapping(wtap_dumper *wdh, int new_size) { | |||
| 3813 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3814 | ||||
| 3815 | int old_size = writer_data->iface_to_channel_array->len; | |||
| 3816 | ||||
| 3817 | if (old_size < new_size) { | |||
| 3818 | /* we need to expand array */ | |||
| 3819 | unsigned int number_of_new_elements = new_size - old_size; | |||
| 3820 | ||||
| 3821 | blf_channel_to_iface_entry_t *newdata = g_new0(blf_channel_to_iface_entry_t, number_of_new_elements)((blf_channel_to_iface_entry_t *) g_malloc0_n ((number_of_new_elements ), sizeof (blf_channel_to_iface_entry_t))); | |||
| 3822 | g_array_append_vals(writer_data->iface_to_channel_array, newdata, number_of_new_elements); | |||
| 3823 | ||||
| 3824 | for (unsigned int i = old_size; i < writer_data->iface_to_channel_array->len; i++) { | |||
| ||||
| 3825 | blf_channel_to_iface_entry_t *tmp = &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, i)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(i)]); | |||
| 3826 | blf_dump_init_channel_to_iface_entry(tmp, i); | |||
| 3827 | } | |||
| 3828 | } | |||
| 3829 | } | |||
| 3830 | ||||
| 3831 | static bool_Bool | |||
| 3832 | blf_dump_set_interface_mapping(wtap_dumper *wdh, uint32_t interface_id, int pkt_encap, uint16_t channel, uint16_t hw_channel) { | |||
| 3833 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3834 | ||||
| 3835 | blf_dump_expand_interface_mapping(wdh, interface_id + 1); | |||
| 3836 | ||||
| 3837 | blf_channel_to_iface_entry_t *tmp = &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, interface_id)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(interface_id)]); | |||
| 3838 | tmp->channel = channel; | |||
| 3839 | tmp->hwchannel = hw_channel; | |||
| 3840 | tmp->interface_id = interface_id; | |||
| 3841 | tmp->pkt_encap = pkt_encap; | |||
| 3842 | ||||
| 3843 | return true1; | |||
| 3844 | } | |||
| 3845 | ||||
| 3846 | static blf_channel_to_iface_entry_t * | |||
| 3847 | blf_dump_get_interface_mapping(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) { | |||
| 3848 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3849 | ||||
| 3850 | uint32_t interface_id = rec->rec_header.packet_header.interface_id; | |||
| 3851 | if (interface_id < writer_data->iface_to_channel_array->len) { | |||
| 3852 | return &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, interface_id)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(interface_id)]); | |||
| 3853 | } | |||
| 3854 | ||||
| 3855 | *err = WTAP_ERR_INTERNAL-21; | |||
| 3856 | *err_info = ws_strdup_printf("blf: cannot find interface mapping for %u", interface_id)wmem_strdup_printf(((void*)0), "blf: cannot find interface mapping for %u" , interface_id); | |||
| 3857 | ws_critical("BLF Interface Mapping cannot be found!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_CRITICAL, "wiretap/blf.c" , 3857, __func__, "BLF Interface Mapping cannot be found!"); } } while (0); | |||
| 3858 | ||||
| 3859 | return NULL((void*)0); | |||
| 3860 | } | |||
| 3861 | ||||
| 3862 | static bool_Bool | |||
| 3863 | blf_init_file_header(wtap_dumper *wdh, int *err) { | |||
| 3864 | if (wdh == NULL((void*)0) || wdh->priv == NULL((void*)0)) { | |||
| 3865 | *err = WTAP_ERR_INTERNAL-21; | |||
| 3866 | ws_debug("internal error: blf private data not found!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3866, __func__, "internal error: blf private data not found!" ); } } while (0); | |||
| 3867 | return false0; | |||
| 3868 | } | |||
| 3869 | ||||
| 3870 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3871 | ||||
| 3872 | writer_data->fileheader = g_new0(blf_fileheader_t, 1)((blf_fileheader_t *) g_malloc0_n ((1), sizeof (blf_fileheader_t ))); | |||
| 3873 | ||||
| 3874 | /* set magic */ | |||
| 3875 | int i; | |||
| 3876 | for (i = 0; i < 4; i++) { | |||
| 3877 | writer_data->fileheader->magic[i] = blf_magic[i]; | |||
| 3878 | } | |||
| 3879 | ||||
| 3880 | /* currently only support 144 byte length*/ | |||
| 3881 | writer_data->fileheader->header_length = 144; | |||
| 3882 | ||||
| 3883 | writer_data->fileheader->application_major = WIRESHARK_VERSION_MAJOR4; | |||
| 3884 | writer_data->fileheader->application_minor = WIRESHARK_VERSION_MINOR7; | |||
| 3885 | writer_data->fileheader->application_build = WIRESHARK_VERSION_MICRO0; | |||
| 3886 | ||||
| 3887 | return true1; | |||
| 3888 | } | |||
| 3889 | ||||
| 3890 | static bool_Bool | |||
| 3891 | blf_write_file_header_zeros(wtap_dumper *wdh, int *err) { | |||
| 3892 | /* lets add 144 bytes for the header and padding */ | |||
| 3893 | uint8_t padding[144] = { 0 }; | |||
| 3894 | if (!wtap_dump_file_write(wdh, &padding, 144, err)) { | |||
| 3895 | return false0; | |||
| 3896 | } | |||
| 3897 | ||||
| 3898 | return true1; | |||
| 3899 | } | |||
| 3900 | ||||
| 3901 | static void | |||
| 3902 | blf_write_date_to_blf_header(blf_fileheader_t *fileheader, bool_Bool start, uint64_t ns_timestamp) { | |||
| 3903 | struct tm tmp; | |||
| 3904 | const time_t date = (time_t)(ns_timestamp / (1000 * 1000 * 1000)); | |||
| 3905 | ||||
| 3906 | if (ws_localtime_r(&date, &tmp) != NULL((void*)0)) { | |||
| 3907 | blf_date_t *target = start ? &(fileheader->start_date) : &(fileheader->end_date); | |||
| 3908 | target->year = 1900 + tmp.tm_year; | |||
| 3909 | target->month = tmp.tm_mon + 1; | |||
| 3910 | target->day = tmp.tm_mday; | |||
| 3911 | target->hour = tmp.tm_hour; | |||
| 3912 | target->mins = tmp.tm_min; | |||
| 3913 | target->sec = tmp.tm_sec; | |||
| 3914 | ||||
| 3915 | uint64_t tmp_date = blf_get_start_offset_ns((const blf_date_t *)target); | |||
| 3916 | ||||
| 3917 | target->ms = (uint16_t)((ns_timestamp - tmp_date) / (1000 * 1000)); | |||
| 3918 | } | |||
| 3919 | ||||
| 3920 | } | |||
| 3921 | ||||
| 3922 | static bool_Bool | |||
| 3923 | blf_finalize_file_header(wtap_dumper *wdh, int *err) { | |||
| 3924 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3925 | blf_fileheader_t *fileheader = writer_data->fileheader; | |||
| 3926 | int64_t bytes_written = wtap_dump_file_tell(wdh, err); | |||
| 3927 | ||||
| 3928 | /* update the header and convert all to LE */ | |||
| 3929 | fileheader->len_compressed = (uint64_t)bytes_written; | |||
| 3930 | fileheader->len_uncompressed = (uint64_t)bytes_written; | |||
| 3931 | ||||
| 3932 | fileheader->obj_count = writer_data->object_count; | |||
| 3933 | ||||
| 3934 | if (writer_data->start_time_set) { | |||
| 3935 | blf_write_date_to_blf_header(fileheader, true1, writer_data->start_time); | |||
| 3936 | } | |||
| 3937 | ||||
| 3938 | blf_write_date_to_blf_header(fileheader, false0, writer_data->end_time); | |||
| 3939 | ||||
| 3940 | fix_endianness_blf_fileheader(fileheader); | |||
| 3941 | ||||
| 3942 | /* seek to start of file */ | |||
| 3943 | int64_t tmp = wtap_dump_file_seek(wdh, 0, SEEK_SET0, err); | |||
| 3944 | if (*err != 0 || tmp != 0) { | |||
| 3945 | return false0; | |||
| 3946 | } | |||
| 3947 | ||||
| 3948 | if (!wtap_dump_file_write(wdh, fileheader, fileheader->header_length, err)) { | |||
| 3949 | return false0; | |||
| 3950 | } | |||
| 3951 | ||||
| 3952 | return true1; | |||
| 3953 | } | |||
| 3954 | ||||
| 3955 | static bool_Bool blf_dump_write_logcontainer(wtap_dumper *wdh, int *err, char **err_info) { | |||
| 3956 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3957 | ||||
| 3958 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_block_header), sizeof(blf_blockheader_t), err)) { | |||
| 3959 | *err = WTAP_ERR_INTERNAL-21; | |||
| 3960 | *err_info = ws_strdup_printf("blf: cannot write Log Container Block Header")wmem_strdup_printf(((void*)0), "blf: cannot write Log Container Block Header" ); | |||
| 3961 | ws_warning("Cannot write Log Container Block Header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 3961, __func__, "Cannot write Log Container Block Header"); } } while (0); | |||
| 3962 | return false0; | |||
| 3963 | } | |||
| 3964 | ||||
| 3965 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_header), sizeof(blf_logcontainerheader_t), err)) { | |||
| 3966 | *err = WTAP_ERR_INTERNAL-21; | |||
| 3967 | *err_info = ws_strdup_printf("blf: cannot write Log Container")wmem_strdup_printf(((void*)0), "blf: cannot write Log Container" ); | |||
| 3968 | ws_warning("Cannot write Log Container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 3968, __func__, "Cannot write Log Container"); } } while (0 ); | |||
| 3969 | return false0; | |||
| 3970 | } | |||
| 3971 | ||||
| 3972 | return true1; | |||
| 3973 | } | |||
| 3974 | ||||
| 3975 | static bool_Bool blf_dump_close_logcontainer(wtap_dumper *wdh, int *err, char **err_info) { | |||
| 3976 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 3977 | ||||
| 3978 | int64_t current_position = wtap_dump_file_tell(wdh, err); | |||
| 3979 | ||||
| 3980 | int64_t tmp = wtap_dump_file_seek(wdh, writer_data->logcontainer_start, SEEK_SET0, err); | |||
| 3981 | if (*err != 0 || tmp != 0) { | |||
| 3982 | return false0; | |||
| 3983 | } | |||
| 3984 | ||||
| 3985 | int64_t logcontainer_length = current_position - writer_data->logcontainer_start; | |||
| 3986 | if (logcontainer_length < 32) { | |||
| 3987 | *err = WTAP_ERR_INTERNAL-21; | |||
| 3988 | } | |||
| 3989 | writer_data->logcontainer_block_header.object_length = GUINT32_TO_LE((uint32_t)logcontainer_length)((guint32) ((uint32_t)logcontainer_length)); | |||
| 3990 | writer_data->logcontainer_header.uncompressed_size = GUINT32_TO_LE((uint32_t)(logcontainer_length - 32))((guint32) ((uint32_t)(logcontainer_length - 32))); | |||
| 3991 | ||||
| 3992 | if (!blf_dump_write_logcontainer(wdh, err, err_info)) { | |||
| 3993 | return false0; | |||
| 3994 | } | |||
| 3995 | ||||
| 3996 | tmp = wtap_dump_file_seek(wdh, current_position, SEEK_SET0, err); | |||
| 3997 | if (*err != 0 || tmp != 0) { | |||
| 3998 | return false0; | |||
| 3999 | } | |||
| 4000 | ||||
| 4001 | return true1; | |||
| 4002 | } | |||
| 4003 | ||||
| 4004 | static bool_Bool blf_dump_start_logcontainer(wtap_dumper *wdh, int *err, char **err_info) { | |||
| 4005 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4006 | ||||
| 4007 | if (writer_data->logcontainer_start != LOG_CONTAINER_NONE(18446744073709551615UL)) { | |||
| 4008 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) { | |||
| 4009 | return false0; | |||
| 4010 | } | |||
| 4011 | } | |||
| 4012 | ||||
| 4013 | /* start new log container */ | |||
| 4014 | /* set magic */ | |||
| 4015 | int i; | |||
| 4016 | for (i = 0; i < 4; i++) { | |||
| 4017 | writer_data->logcontainer_block_header.magic[i] = blf_obj_magic[i]; | |||
| 4018 | } | |||
| 4019 | writer_data->logcontainer_block_header.header_length = 16; | |||
| 4020 | writer_data->logcontainer_block_header.header_type = 1; | |||
| 4021 | writer_data->logcontainer_block_header.object_length = 32; | |||
| 4022 | writer_data->logcontainer_block_header.object_type = BLF_OBJTYPE_LOG_CONTAINER10; | |||
| 4023 | fix_endianness_blf_blockheader(&(writer_data->logcontainer_block_header)); | |||
| 4024 | ||||
| 4025 | writer_data->logcontainer_header.compression_method = 0; | |||
| 4026 | writer_data->logcontainer_header.res1 = 0; | |||
| 4027 | writer_data->logcontainer_header.res2 = 0; | |||
| 4028 | writer_data->logcontainer_header.uncompressed_size = 0; | |||
| 4029 | writer_data->logcontainer_header.res4 = 0; | |||
| 4030 | fix_endianness_blf_logcontainerheader(&(writer_data->logcontainer_header)); | |||
| 4031 | ||||
| 4032 | writer_data->logcontainer_start = wtap_dump_file_tell(wdh, err); | |||
| 4033 | ||||
| 4034 | return blf_dump_write_logcontainer(wdh, err, err_info); | |||
| 4035 | } | |||
| 4036 | ||||
| 4037 | static bool_Bool blf_dump_check_logcontainer_full(wtap_dumper *wdh, int *err, char **err_info, uint32_t length) { | |||
| 4038 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4039 | ||||
| 4040 | uint64_t position = (uint64_t)wtap_dump_file_tell(wdh, err); | |||
| 4041 | if (position - writer_data->logcontainer_start + length <= LOG_CONTAINER_BUFFER_SIZE10485760) { | |||
| 4042 | return true1; | |||
| 4043 | } | |||
| 4044 | ||||
| 4045 | return blf_dump_start_logcontainer(wdh, err, err_info); | |||
| 4046 | } | |||
| 4047 | ||||
| 4048 | static bool_Bool blf_dump_objheader(wtap_dumper *wdh, int *err, uint64_t obj_timestamp, uint32_t obj_type, uint32_t obj_length) { | |||
| 4049 | blf_logobjectheader_t logheader; | |||
| 4050 | logheader.flags = BLF_TIMESTAMP_RESOLUTION_1NS2; | |||
| 4051 | logheader.client_index = 0; | |||
| 4052 | logheader.object_version = 1; | |||
| 4053 | logheader.object_timestamp = obj_timestamp; | |||
| 4054 | fix_endianness_blf_logobjectheader(&logheader); | |||
| 4055 | ||||
| 4056 | blf_blockheader_t blockheader; | |||
| 4057 | /* set magic */ | |||
| 4058 | int i; | |||
| 4059 | for (i = 0; i < 4; i++) { | |||
| 4060 | blockheader.magic[i] = blf_obj_magic[i]; | |||
| 4061 | } | |||
| 4062 | blockheader.header_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t); | |||
| 4063 | blockheader.header_type = 1; | |||
| 4064 | blockheader.object_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t) + obj_length; | |||
| 4065 | blockheader.object_type = obj_type; | |||
| 4066 | fix_endianness_blf_blockheader(&blockheader); | |||
| 4067 | ||||
| 4068 | if (!wtap_dump_file_write(wdh, &(blockheader), sizeof(blf_blockheader_t), err)) { | |||
| 4069 | return false0; | |||
| 4070 | } | |||
| 4071 | ||||
| 4072 | if (!wtap_dump_file_write(wdh, &(logheader), sizeof(blf_logobjectheader_t), err)) { | |||
| 4073 | return false0; | |||
| 4074 | } | |||
| 4075 | ||||
| 4076 | return true1; | |||
| 4077 | } | |||
| 4078 | ||||
| 4079 | /* return standard direction format of BLF, RX on error or unknown */ | |||
| 4080 | static uint8_t blf_get_direction(const wtap_rec *rec) { | |||
| 4081 | uint32_t tmp_direction = 0; | |||
| 4082 | if (WTAP_OPTTYPE_SUCCESS != wtap_block_get_uint32_option_value(rec->block, OPT_PKT_FLAGS2, &tmp_direction)) { | |||
| 4083 | return BLF_DIR_RX0; | |||
| 4084 | } | |||
| 4085 | ||||
| 4086 | if (tmp_direction == PACK_FLAGS_DIRECTION_OUTBOUND2) { | |||
| 4087 | return BLF_DIR_TX1; | |||
| 4088 | } | |||
| 4089 | ||||
| 4090 | return BLF_DIR_RX0; | |||
| 4091 | } | |||
| 4092 | ||||
| 4093 | static bool_Bool blf_dump_ethernet(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { | |||
| 4094 | /* LINKTYPE_ETHERNET */ | |||
| 4095 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */ | |||
| 4096 | ||||
| 4097 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4098 | const blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); | |||
| 4099 | ||||
| 4100 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4101 | size_t length = ws_buffer_length(&rec->data); | |||
| 4102 | ||||
| 4103 | /* 14 bytes is the full Ethernet Header up to EtherType */ | |||
| 4104 | if (length < 14) { | |||
| 4105 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4106 | *err_info = ws_strdup_printf("blf: record length %u for Ethernet message is lower than minimum of 14", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for Ethernet message is lower than minimum of 14" , (uint32_t)length); | |||
| 4107 | ws_warning("LINKTYPE_ETHERNET Data is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4107, __func__, "LINKTYPE_ETHERNET Data is too short!"); } } while (0); | |||
| 4108 | return false0; | |||
| 4109 | } | |||
| 4110 | ||||
| 4111 | uint32_t offset = 12; | |||
| 4112 | ||||
| 4113 | blf_ethernetframeheader_t ethheader; | |||
| 4114 | ethheader.src_addr[0] = pd[6]; | |||
| 4115 | ethheader.src_addr[1] = pd[7]; | |||
| 4116 | ethheader.src_addr[2] = pd[8]; | |||
| 4117 | ethheader.src_addr[3] = pd[9]; | |||
| 4118 | ethheader.src_addr[4] = pd[10]; | |||
| 4119 | ethheader.src_addr[5] = pd[11]; | |||
| 4120 | ||||
| 4121 | ethheader.channel = iface_entry->channel; | |||
| 4122 | ||||
| 4123 | ethheader.dst_addr[0] = pd[0]; | |||
| 4124 | ethheader.dst_addr[1] = pd[1]; | |||
| 4125 | ethheader.dst_addr[2] = pd[2]; | |||
| 4126 | ethheader.dst_addr[3] = pd[3]; | |||
| 4127 | ethheader.dst_addr[4] = pd[4]; | |||
| 4128 | ethheader.dst_addr[5] = pd[5]; | |||
| 4129 | ||||
| 4130 | ethheader.direction = blf_get_direction(rec); | |||
| 4131 | ||||
| 4132 | uint16_t eth_type = pntohu16(pd + offset); | |||
| 4133 | offset += 2; | |||
| 4134 | ||||
| 4135 | if (eth_type == 0x8100 || eth_type == 0x9100 || eth_type == 0x88a8) { | |||
| 4136 | ethheader.tpid = eth_type; | |||
| 4137 | ethheader.tci = pntohu16(pd + offset); | |||
| 4138 | offset += 2; | |||
| 4139 | ||||
| 4140 | eth_type = pntohu16(pd + offset); | |||
| 4141 | offset += 2; | |||
| 4142 | } else { | |||
| 4143 | ethheader.tpid = 0; | |||
| 4144 | ethheader.tci = 0; | |||
| 4145 | } | |||
| 4146 | ||||
| 4147 | ethheader.ethtype = eth_type; | |||
| 4148 | ethheader.payloadlength = rec->rec_header.packet_header.caplen - offset; | |||
| 4149 | ethheader.res = 0; | |||
| 4150 | fix_endianness_blf_ethernetframeheader(ðheader); | |||
| 4151 | ||||
| 4152 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_ETHERNET_FRAME71, sizeof(blf_ethernetframeheader_t) + ethheader.payloadlength)) { | |||
| 4153 | return false0; | |||
| 4154 | } | |||
| 4155 | ||||
| 4156 | if (!wtap_dump_file_write(wdh, &(ethheader), sizeof(blf_ethernetframeheader_t), err)) { | |||
| 4157 | return false0; | |||
| 4158 | } | |||
| 4159 | ||||
| 4160 | if (!wtap_dump_file_write(wdh, &(pd[offset]), ethheader.payloadlength, err)) { | |||
| 4161 | return false0; | |||
| 4162 | } | |||
| 4163 | ||||
| 4164 | return true1; | |||
| 4165 | } | |||
| 4166 | ||||
| 4167 | static const uint8_t canfd_length_to_dlc[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 9, 0, 0, 0, | |||
| 4168 | 10, 0, 0, 0, 11, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, | |||
| 4169 | 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
| 4170 | 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
| 4171 | 15 }; | |||
| 4172 | ||||
| 4173 | static bool_Bool blf_dump_socketcan(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp, | |||
| 4174 | const uint8_t *pd, size_t length, bool_Bool is_can, bool_Bool is_canfd, bool_Bool is_rx, bool_Bool is_tx) { | |||
| 4175 | /* LINKTYPE_CAN_SOCKETCAN */ | |||
| 4176 | /* https://www.tcpdump.org/linktypes/LINKTYPE_CAN_SOCKETCAN.html */ | |||
| 4177 | ||||
| 4178 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4179 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); | |||
| 4180 | ||||
| 4181 | if (length < 8) { | |||
| 4182 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4183 | *err_info = ws_strdup_printf("blf: record length %u for Socket CAN message header is lower than minimum of 8", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for Socket CAN message header is lower than minimum of 8" , (uint32_t)length); | |||
| 4184 | ws_warning("LINKTYPE_CAN_SOCKETCAN header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4184, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short!" ); } } while (0); | |||
| 4185 | return false0; | |||
| 4186 | } | |||
| 4187 | ||||
| 4188 | /* check for CAN-XL */ | |||
| 4189 | if ((pd[4] & CANXL_XLF0x80) == CANXL_XLF0x80) { | |||
| 4190 | ws_message("CAN-XL not supported yet! Skipping.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_MESSAGE, ((void *)0), -1, ((void*)0), "CAN-XL not supported yet! Skipping."); } } while (0); | |||
| 4191 | return true1; | |||
| 4192 | } | |||
| 4193 | ||||
| 4194 | uint8_t payload_length = pd[4]; | |||
| 4195 | ||||
| 4196 | if (length < (size_t)payload_length + 8) { | |||
| 4197 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4198 | *err_info = ws_strdup_printf("blf: Socket CAN message (length %u) does not contain full payload (%u)", (uint32_t)length, payload_length)wmem_strdup_printf(((void*)0), "blf: Socket CAN message (length %u) does not contain full payload (%u)" , (uint32_t)length, payload_length); | |||
| 4199 | ws_warning("LINKTYPE_CAN_SOCKETCAN header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4199, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short!" ); } } while (0); | |||
| 4200 | return false0; | |||
| 4201 | } | |||
| 4202 | ||||
| 4203 | /* LINKTYPE_LINUX_SLL would have set is_tx or is_rx */ | |||
| 4204 | uint8_t frame_dir = is_tx ? BLF_DIR_TX1 : BLF_DIR_RX0; | |||
| 4205 | if (!is_rx && !is_tx) { | |||
| 4206 | frame_dir = blf_get_direction(rec); | |||
| 4207 | } | |||
| 4208 | ||||
| 4209 | bool_Bool canfd = is_canfd; | |||
| 4210 | ||||
| 4211 | /* LINKTYPE_LINUX_SLL would have set one */ | |||
| 4212 | if (!is_can && !is_canfd) { | |||
| 4213 | if ((pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04) { | |||
| 4214 | canfd = true1; | |||
| 4215 | } else { | |||
| 4216 | /* heuristic. if longer than header + 8 bytes data, its CAN-FD*/ | |||
| 4217 | canfd = rec->rec_header.packet_header.caplen > 16; | |||
| 4218 | } | |||
| 4219 | } | |||
| 4220 | ||||
| 4221 | /* XXX endianess is not defined. Assuming BE as this seems the common choice*/ | |||
| 4222 | uint32_t can_id = pntohu32(pd); | |||
| 4223 | ||||
| 4224 | /* lets check if can_id makes sense | |||
| 4225 | * 29bit CAN ID mask 0x1fffffff CAN_EFF_MASK | |||
| 4226 | * 11bit CAN ID mask 0x000007ff CAN_SFF_MASK | |||
| 4227 | * 29 only bits 0x1ffff800 CAN_EFF_MASK & !CAN_SFF_MASK | |||
| 4228 | */ | |||
| 4229 | if (((can_id & CAN_EFF_FLAG0x80000000) == 0) && ((can_id & (CAN_EFF_MASK0x1FFFFFFF & (!CAN_SFF_MASK0x000007FF))) != 0)) { | |||
| 4230 | ws_message("CAN-ID 0x%08x seems to be in wrong byte order, changing to little-endian", can_id)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_MESSAGE, ((void *)0), -1, ((void*)0), "CAN-ID 0x%08x seems to be in wrong byte order, changing to little-endian" , can_id); } } while (0); | |||
| 4231 | can_id = pletohu32(pd); | |||
| 4232 | } | |||
| 4233 | ||||
| 4234 | bool_Bool err_flag = (can_id & CAN_ERR_FLAG0x20000000) == CAN_ERR_FLAG0x20000000; | |||
| 4235 | bool_Bool rtr_flag = (can_id & CAN_RTR_FLAG0x40000000) == CAN_RTR_FLAG0x40000000; | |||
| 4236 | //bool ext_id_flag = (can_id & CAN_EFF_FLAG) == CAN_EFF_FLAG; | |||
| 4237 | can_id &= (CAN_EFF_MASK0x1FFFFFFF | CAN_EFF_FLAG0x80000000); | |||
| 4238 | ||||
| 4239 | if (canfd) { | |||
| 4240 | /* CAN-FD */ | |||
| 4241 | bool_Bool brs_flag = (pd[5] & CANFD_BRS0x01) == CANFD_BRS0x01; | |||
| 4242 | bool_Bool esi_flag = (pd[5] & CANFD_ESI0x02) == CANFD_ESI0x02; | |||
| 4243 | bool_Bool fdf_flag = (pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04; | |||
| 4244 | ||||
| 4245 | blf_canfdmessage64_t canfdmsg; | |||
| 4246 | canfdmsg.channel = (uint8_t)iface_entry->channel; | |||
| 4247 | ||||
| 4248 | canfdmsg.dlc = (payload_length <= 64) ? canfd_length_to_dlc[payload_length] : 0; | |||
| 4249 | canfdmsg.validDataBytes = payload_length; | |||
| 4250 | canfdmsg.txCount = 0; | |||
| 4251 | canfdmsg.id = can_id; | |||
| 4252 | canfdmsg.frameLength_in_ns = 0; | |||
| 4253 | canfdmsg.flags = 0; | |||
| 4254 | ||||
| 4255 | /* TODO: fdf_flag is not always set for CAN-FD */ | |||
| 4256 | if (fdf_flag) { | |||
| 4257 | canfdmsg.flags = BLF_CANFDMESSAGE64_FLAG_EDL0x001000; // CAN-FD | |||
| 4258 | } else { | |||
| 4259 | ws_warning("CAN-FD has not CANFD_FDF set. File not correct.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4259, __func__, "CAN-FD has not CANFD_FDF set. File not correct." ); } } while (0); | |||
| 4260 | } | |||
| 4261 | if (brs_flag) { | |||
| 4262 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_BRS0x002000; | |||
| 4263 | } | |||
| 4264 | if (esi_flag) { | |||
| 4265 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_ESI0x004000; | |||
| 4266 | } | |||
| 4267 | ||||
| 4268 | canfdmsg.btrCfgArb = 0; | |||
| 4269 | canfdmsg.btrCfgData = 0; | |||
| 4270 | canfdmsg.timeOffsetBrsNs = 0; | |||
| 4271 | canfdmsg.timeOffsetCrcDelNs = 0; | |||
| 4272 | canfdmsg.bitCount = 0; | |||
| 4273 | canfdmsg.dir = frame_dir; | |||
| 4274 | canfdmsg.extDataOffset = 0; | |||
| 4275 | canfdmsg.crc = 0; | |||
| 4276 | ||||
| 4277 | fix_endianness_blf_canfdmessage64(&canfdmsg); | |||
| 4278 | ||||
| 4279 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_FD_MESSAGE_64101, sizeof(blf_canfdmessage64_t) + payload_length)) { | |||
| 4280 | return false0; | |||
| 4281 | } | |||
| 4282 | ||||
| 4283 | if (!wtap_dump_file_write(wdh, &(canfdmsg), sizeof(blf_canfdmessage64_t), err)) { | |||
| 4284 | return false0; | |||
| 4285 | } | |||
| 4286 | } else { | |||
| 4287 | /* CAN */ | |||
| 4288 | blf_canmessage_t canmsg; | |||
| 4289 | ||||
| 4290 | if (payload_length > 8) { | |||
| 4291 | ws_warning("CAN frames can only have 0 to 8 bytes of payload! We have %d bytes", payload_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4291, __func__, "CAN frames can only have 0 to 8 bytes of payload! We have %d bytes" , payload_length); } } while (0); | |||
| 4292 | payload_length = 0; | |||
| 4293 | } | |||
| 4294 | ||||
| 4295 | canmsg.dlc = payload_length; | |||
| 4296 | canmsg.channel = iface_entry->channel; | |||
| 4297 | ||||
| 4298 | canmsg.flags = 0; | |||
| 4299 | if (frame_dir == BLF_DIR_TX1) { | |||
| 4300 | canmsg.flags |= BLF_CANMESSAGE_FLAG_TX0x01; | |||
| 4301 | } | |||
| 4302 | ||||
| 4303 | if (err_flag) { | |||
| 4304 | // TODO: we need to implement CAN ERROR, ignore for now | |||
| 4305 | return true1; | |||
| 4306 | //canmsg.flags |= BLF_CANMESSAGE_FLAG_NERR; - NERR is not error | |||
| 4307 | } | |||
| 4308 | ||||
| 4309 | if (rtr_flag) { | |||
| 4310 | canmsg.flags |= BLF_CANMESSAGE_FLAG_RTR0x80; | |||
| 4311 | } | |||
| 4312 | ||||
| 4313 | canmsg.id = can_id; | |||
| 4314 | ||||
| 4315 | fix_endianness_blf_canmessage(&canmsg); | |||
| 4316 | ||||
| 4317 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_MESSAGE1, sizeof(blf_canmessage_t) + payload_length)) { | |||
| 4318 | return false0; | |||
| 4319 | } | |||
| 4320 | ||||
| 4321 | if (!wtap_dump_file_write(wdh, &(canmsg), sizeof(blf_canmessage_t), err)) { | |||
| 4322 | return false0; | |||
| 4323 | } | |||
| 4324 | } | |||
| 4325 | ||||
| 4326 | if (!wtap_dump_file_write(wdh, &(pd[8]), payload_length, err)) { | |||
| 4327 | return false0; | |||
| 4328 | } | |||
| 4329 | ||||
| 4330 | return true1; | |||
| 4331 | } | |||
| 4332 | ||||
| 4333 | static bool_Bool blf_dump_sll(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { | |||
| 4334 | /* Linux Cooked CAN / CAN-FD */ | |||
| 4335 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */ | |||
| 4336 | ||||
| 4337 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4338 | size_t length = ws_buffer_length(&rec->data); | |||
| 4339 | ||||
| 4340 | if (length < 16) { | |||
| 4341 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4342 | *err_info = ws_strdup_printf("blf: record length %u for CAN message header (LINKTYPE_LINUX_SLL) is lower than minimum of 16", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for CAN message header (LINKTYPE_LINUX_SLL) is lower than minimum of 16" , (uint32_t)length); | |||
| 4343 | ws_warning("LINKTYPE_LINUX_SLL header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4343, __func__, "LINKTYPE_LINUX_SLL header is too short!"); } } while (0); | |||
| 4344 | return false0; | |||
| 4345 | } | |||
| 4346 | ||||
| 4347 | bool_Bool frame_tx = false0; | |||
| 4348 | if (pd[0] == 0 && pd[1] == 4) { | |||
| 4349 | frame_tx = true1; | |||
| 4350 | } | |||
| 4351 | ||||
| 4352 | uint16_t protocol_type = pntohu16(pd + 14); | |||
| 4353 | ||||
| 4354 | switch (protocol_type) { | |||
| 4355 | case 0x000C: /* CAN */ | |||
| 4356 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, true1, false0, !frame_tx, frame_tx); | |||
| 4357 | break; | |||
| 4358 | case 0x000D: /* CAN-FD */ | |||
| 4359 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, false0, true1, !frame_tx, frame_tx); | |||
| 4360 | break; | |||
| 4361 | default: | |||
| 4362 | return false0; | |||
| 4363 | } | |||
| 4364 | ||||
| 4365 | /* not reachable? */ | |||
| 4366 | return true1; | |||
| 4367 | } | |||
| 4368 | ||||
| 4369 | static bool_Bool blf_dump_flexray(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { | |||
| 4370 | /* FlexRay */ | |||
| 4371 | /* https://www.tcpdump.org/linktypes/LINKTYPE_FLEXRAY.html */ | |||
| 4372 | ||||
| 4373 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4374 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); | |||
| 4375 | ||||
| 4376 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4377 | size_t length = ws_buffer_length(&rec->data); | |||
| 4378 | ||||
| 4379 | if (length < 1) { | |||
| 4380 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4381 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay header (LINKTYPE_FLEXRAY) is lower than minimum of 1", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay header (LINKTYPE_FLEXRAY) is lower than minimum of 1" , (uint32_t)length); | |||
| 4382 | ws_warning("LINKTYPE_FLEXRAY header is too short (< 1 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4382, __func__, "LINKTYPE_FLEXRAY header is too short (< 1 Byte)!" ); } } while (0); | |||
| 4383 | return false0; | |||
| 4384 | } | |||
| 4385 | ||||
| 4386 | /* Check Measurement Header for Type */ | |||
| 4387 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_SYMBOL0x02) { | |||
| 4388 | /* Symbol */ | |||
| 4389 | ||||
| 4390 | if (length < 2) { | |||
| 4391 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4392 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Symbol (LINKTYPE_FLEXRAY) is lower than minimum of 2", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Symbol (LINKTYPE_FLEXRAY) is lower than minimum of 2" , (uint32_t)length); | |||
| 4393 | ws_warning("LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4393, __func__, "LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte)!" ); } } while (0); | |||
| 4394 | return false0; | |||
| 4395 | } | |||
| 4396 | ||||
| 4397 | /* TODO: SYMBOL */ | |||
| 4398 | ||||
| 4399 | return true1; | |||
| 4400 | } | |||
| 4401 | ||||
| 4402 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_FRAME0x01) { | |||
| 4403 | /* Frame */ | |||
| 4404 | ||||
| 4405 | if (length < 2 + FLEXRAY_HEADER_LENGTH5) { | |||
| 4406 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4407 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Frame header (LINKTYPE_FLEXRAY) is lower than minimum of 7", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Frame header (LINKTYPE_FLEXRAY) is lower than minimum of 7" , (uint32_t)length); | |||
| 4408 | ws_warning("LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4408, __func__, "LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte)!" ); } } while (0); | |||
| 4409 | return false0; | |||
| 4410 | } | |||
| 4411 | ||||
| 4412 | uint8_t payload_length = pd[4] & FLEXRAY_LENGTH_MASK0xfe; | |||
| 4413 | ||||
| 4414 | /* FLEXRAY FRAME */ | |||
| 4415 | blf_flexrayrcvmessage_t frmsg; | |||
| 4416 | ||||
| 4417 | frmsg.channel = (uint16_t)iface_entry->channel; | |||
| 4418 | frmsg.version = 1; | |||
| 4419 | ||||
| 4420 | uint32_t header_crc = (pntohu24(pd + 4) & FLEXRAY_HEADER_CRC_MASK0x01ffc0) >> FLEXRAY_HEADER_CRC_SHFT6; | |||
| 4421 | ||||
| 4422 | if ((pd[0] & FLEXRAY_CHANNEL_MASK0x80) == 0) { | |||
| 4423 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01; | |||
| 4424 | frmsg.headerCrc1 = header_crc; | |||
| 4425 | frmsg.headerCrc2 = 0; | |||
| 4426 | } else { | |||
| 4427 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_B0x02; | |||
| 4428 | frmsg.headerCrc1 = 0; | |||
| 4429 | frmsg.headerCrc2 = header_crc; | |||
| 4430 | } | |||
| 4431 | ||||
| 4432 | frmsg.dir = blf_get_direction(rec); | |||
| 4433 | frmsg.clientIndex = 0; | |||
| 4434 | frmsg.clusterNo = 0; | |||
| 4435 | frmsg.frameId = (pntohu16(pd + 2)) & FLEXRAY_ID_MASK0x07ff; | |||
| 4436 | frmsg.payloadLength = payload_length; | |||
| 4437 | frmsg.payloadLengthValid = payload_length; | |||
| 4438 | frmsg.cycle = pd[6] & FLEXRAY_CC_MASK0x3f; | |||
| 4439 | frmsg.tag = 0; | |||
| 4440 | frmsg.data = 0; | |||
| 4441 | frmsg.frameFlags = 0; | |||
| 4442 | ||||
| 4443 | /* The NULL Flag 1 -> False */ | |||
| 4444 | bool_Bool null_frame = (pd[2] & FLEXRAY_NFI_MASK0x20) != FLEXRAY_NFI_MASK0x20; | |||
| 4445 | ||||
| 4446 | if (null_frame) { | |||
| 4447 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001; | |||
| 4448 | /* LINKTYPE_FLEXRAY has no payload for Null Frames present */ | |||
| 4449 | payload_length = 0; | |||
| 4450 | } | |||
| 4451 | ||||
| 4452 | /* TODO: check truncated data */ | |||
| 4453 | if (payload_length > 0) { | |||
| 4454 | /* Data Valid*/ | |||
| 4455 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_VALID_DATA0x00000002; | |||
| 4456 | } | |||
| 4457 | ||||
| 4458 | if ((pd[2] & FLEXRAY_SFI_MASK0x10) == FLEXRAY_SFI_MASK0x10) { | |||
| 4459 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004; | |||
| 4460 | } | |||
| 4461 | ||||
| 4462 | if ((pd[2] & FLEXRAY_STFI_MASK0x08) == FLEXRAY_STFI_MASK0x08) { | |||
| 4463 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008; | |||
| 4464 | } | |||
| 4465 | ||||
| 4466 | if ((pd[2] & FLEXRAY_PPI_MASK0x40) == FLEXRAY_PPI_MASK0x40) { | |||
| 4467 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010; | |||
| 4468 | } | |||
| 4469 | ||||
| 4470 | if ((pd[2] & FLEXRAY_RES_MASK0x80) == FLEXRAY_RES_MASK0x80) { | |||
| 4471 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_RES_200x00000020; | |||
| 4472 | } | |||
| 4473 | ||||
| 4474 | /* if any error flag is set */ | |||
| 4475 | if ((pd[1] & FLEXRAY_ERRORS_DEFINED0x1f) != 0x00) { | |||
| 4476 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_ERROR0x00000040; | |||
| 4477 | } | |||
| 4478 | ||||
| 4479 | /* Not sure how to determine this as we do not know the low level parameters */ | |||
| 4480 | //if ( ) { | |||
| 4481 | // /* DYNAMIC SEG =1 (Bit 20)*/ | |||
| 4482 | // frmsg.frameFlags &= 0x100000; | |||
| 4483 | //} | |||
| 4484 | ||||
| 4485 | frmsg.appParameter = 0; | |||
| 4486 | ||||
| 4487 | fix_endianness_blf_flexrayrcvmessage(&frmsg); | |||
| 4488 | ||||
| 4489 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50, sizeof(blf_flexrayrcvmessage_t) + 254)) { | |||
| 4490 | return false0; | |||
| 4491 | } | |||
| 4492 | ||||
| 4493 | if (!wtap_dump_file_write(wdh, &(frmsg), sizeof(blf_flexrayrcvmessage_t), err)) { | |||
| 4494 | return false0; | |||
| 4495 | } | |||
| 4496 | ||||
| 4497 | if (length < (size_t)payload_length + 2 + FLEXRAY_HEADER_LENGTH5) { | |||
| 4498 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4499 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Frame (LINKTYPE_FLEXRAY) is truncated", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Frame (LINKTYPE_FLEXRAY) is truncated" , (uint32_t)length); | |||
| 4500 | ws_warning("LINKTYPE_FLEXRAY Frame truncated!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4500, __func__, "LINKTYPE_FLEXRAY Frame truncated!"); } } while (0); | |||
| 4501 | return false0; | |||
| 4502 | } | |||
| 4503 | ||||
| 4504 | if (payload_length > 0) { | |||
| 4505 | if (!wtap_dump_file_write(wdh, &(pd[7]), payload_length, err)) { | |||
| 4506 | return false0; | |||
| 4507 | } | |||
| 4508 | } | |||
| 4509 | ||||
| 4510 | const uint8_t zero_bytes[256] = { 0 }; | |||
| 4511 | ||||
| 4512 | if (payload_length < 254) { | |||
| 4513 | if (!wtap_dump_file_write(wdh, &zero_bytes[0], 254 - payload_length, err)) { | |||
| 4514 | return false0; | |||
| 4515 | } | |||
| 4516 | } | |||
| 4517 | ||||
| 4518 | return true1; | |||
| 4519 | } | |||
| 4520 | ||||
| 4521 | return true1; | |||
| 4522 | } | |||
| 4523 | ||||
| 4524 | static bool_Bool blf_dump_lin(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { | |||
| 4525 | /* LIN */ | |||
| 4526 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LIN.html */ | |||
| 4527 | ||||
| 4528 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4529 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); | |||
| 4530 | ||||
| 4531 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4532 | size_t length = ws_buffer_length(&rec->data); | |||
| 4533 | ||||
| 4534 | if (length < 8) { | |||
| 4535 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4536 | *err_info = ws_strdup_printf("blf: record length %u for LIN message/symbol/error is lower than minimum of 8", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for LIN message/symbol/error is lower than minimum of 8" , (uint32_t)length); | |||
| 4537 | ws_warning("LIN Data is too short (less than 8 bytes)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4537, __func__, "LIN Data is too short (less than 8 bytes)!" ); } } while (0); | |||
| 4538 | return false0; | |||
| 4539 | } | |||
| 4540 | ||||
| 4541 | uint8_t lin_err = pd[7] & 0x3f; | |||
| 4542 | if (lin_err != 0) { | |||
| 4543 | // TODO: handle LIN errors | |||
| 4544 | return true1; | |||
| 4545 | } | |||
| 4546 | ||||
| 4547 | int i; | |||
| 4548 | uint8_t dlc = (pd[4] & LIN_PAYLOAD_LENGTH_MASK0xf0) >> 4; | |||
| 4549 | uint8_t msg_type = (pd[4] & LIN_MSG_TYPE_MASK0x0c) >> 2; | |||
| 4550 | ||||
| 4551 | if (msg_type != LIN_MSG_TYPE_FRAME0) { | |||
| 4552 | // TODO: handle LIN events | |||
| 4553 | return true1; | |||
| 4554 | } | |||
| 4555 | ||||
| 4556 | /* we need to have at least the data */ | |||
| 4557 | if (length < (size_t)dlc + 8) { | |||
| 4558 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4559 | *err_info = ws_strdup_printf("blf: record length %u for LIN message is too low for data. DLC: %u.", (uint32_t)length, dlc)wmem_strdup_printf(((void*)0), "blf: record length %u for LIN message is too low for data. DLC: %u." , (uint32_t)length, dlc); | |||
| 4560 | ws_error("LIN Data is too short (less than needed)!")ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 4560, __func__, "LIN Data is too short (less than needed)!" ); | |||
| 4561 | return false0; | |||
| 4562 | } | |||
| 4563 | ||||
| 4564 | /* we ignore padding as we do not need it anyhow */ | |||
| 4565 | ||||
| 4566 | blf_linmessage_t linmsg; | |||
| 4567 | linmsg.channel = (uint16_t)iface_entry->channel; | |||
| 4568 | linmsg.id = pd[5]; | |||
| 4569 | linmsg.dlc = dlc; | |||
| 4570 | for (i = 0; i < 8; i++) { | |||
| 4571 | if (i < dlc) { | |||
| 4572 | linmsg.data[i] = pd[i + 8]; | |||
| 4573 | } else { | |||
| 4574 | linmsg.data[i] = 0; | |||
| 4575 | } | |||
| 4576 | } | |||
| 4577 | linmsg.fsmId = 0; | |||
| 4578 | linmsg.fsmState = 0; | |||
| 4579 | linmsg.headerTime = 0; | |||
| 4580 | linmsg.fullTime = 0; | |||
| 4581 | linmsg.crc = pd[6]; | |||
| 4582 | linmsg.dir = blf_get_direction(rec); | |||
| 4583 | linmsg.res1 = 0; | |||
| 4584 | ||||
| 4585 | fix_endianness_blf_linmessage(&linmsg); | |||
| 4586 | ||||
| 4587 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_LIN_MESSAGE11, sizeof(blf_linmessage_t) + 4)) { | |||
| 4588 | return false0; | |||
| 4589 | } | |||
| 4590 | ||||
| 4591 | if (!wtap_dump_file_write(wdh, &(linmsg), sizeof(blf_linmessage_t), err)) { | |||
| 4592 | return false0; | |||
| 4593 | } | |||
| 4594 | ||||
| 4595 | uint8_t rest_of_header[4] = { 0, 0, 0, 0}; | |||
| 4596 | ||||
| 4597 | if (!wtap_dump_file_write(wdh, &(rest_of_header), 4, err)) { | |||
| 4598 | return false0; | |||
| 4599 | } | |||
| 4600 | ||||
| 4601 | return true1; | |||
| 4602 | } | |||
| 4603 | ||||
| 4604 | static bool_Bool blf_dump_upper_pdu(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { | |||
| 4605 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4606 | ||||
| 4607 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4608 | size_t length = ws_buffer_length(&rec->data); | |||
| 4609 | ||||
| 4610 | unsigned tag_diss_pos = 0; | |||
| 4611 | size_t tag_diss_len = 0; | |||
| 4612 | unsigned col_proto_pos = 0; | |||
| 4613 | size_t col_proto_len = 0; | |||
| 4614 | unsigned col_info_pos = 0; | |||
| 4615 | size_t col_info_len = 0; | |||
| 4616 | ||||
| 4617 | /* parse the tags */ | |||
| 4618 | size_t pos = 0; | |||
| 4619 | bool_Bool done = false0; | |||
| 4620 | while (!done) { | |||
| 4621 | if (length - pos < 4) { | |||
| 4622 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4623 | *err_info = ws_strdup_printf("blf: Upper PDU has no or truncated tags (pos: %u, length: %u)", (uint32_t)pos, (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: Upper PDU has no or truncated tags (pos: %u, length: %u)" , (uint32_t)pos, (uint32_t)length); | |||
| 4624 | ws_warning("Upper PDU has truncated tags!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4624, __func__, "Upper PDU has truncated tags!"); } } while (0); | |||
| 4625 | return false0; | |||
| 4626 | } | |||
| 4627 | ||||
| 4628 | uint16_t tag_type = pntohu16(pd + pos); | |||
| 4629 | uint16_t tag_len = pntohu16(pd + pos + 2); | |||
| 4630 | ||||
| 4631 | if ((length - pos) < (size_t)tag_len + 4) { | |||
| 4632 | *err = WTAP_ERR_INTERNAL-21; | |||
| 4633 | *err_info = ws_strdup_printf("blf: Upper PDU has truncated tags (pos: %u, tag_type: %u, tag_len: %u)", (uint32_t)pos, tag_type, tag_len)wmem_strdup_printf(((void*)0), "blf: Upper PDU has truncated tags (pos: %u, tag_type: %u, tag_len: %u)" , (uint32_t)pos, tag_type, tag_len); | |||
| 4634 | ws_warning("Upper PDU has truncated tags!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4634, __func__, "Upper PDU has truncated tags!"); } } while (0); | |||
| 4635 | return false0; | |||
| 4636 | } | |||
| 4637 | ||||
| 4638 | switch (tag_type) { | |||
| 4639 | case EXP_PDU_TAG_DISSECTOR_NAME12: | |||
| 4640 | tag_diss_pos = (unsigned)pos + 4; | |||
| 4641 | tag_diss_len = tag_len; | |||
| 4642 | break; | |||
| 4643 | ||||
| 4644 | case EXP_PDU_TAG_COL_PROT_TEXT33: | |||
| 4645 | col_proto_pos = (unsigned)pos + 4; | |||
| 4646 | col_proto_len = tag_len; | |||
| 4647 | break; | |||
| 4648 | ||||
| 4649 | case EXP_PDU_TAG_COL_INFO_TEXT36: | |||
| 4650 | col_info_pos = (unsigned)pos + 4; | |||
| 4651 | col_info_len = tag_len; | |||
| 4652 | break; | |||
| 4653 | ||||
| 4654 | case EXP_PDU_TAG_END_OF_OPT0: | |||
| 4655 | done = true1; | |||
| 4656 | break; | |||
| 4657 | } | |||
| 4658 | ||||
| 4659 | pos += 4; | |||
| 4660 | pos += tag_len; | |||
| 4661 | } | |||
| 4662 | ||||
| 4663 | /* strip zero termination, if existing */ | |||
| 4664 | while (pd[tag_diss_pos + tag_diss_len - 1] == 0) { | |||
| 4665 | tag_diss_len -= 1; | |||
| 4666 | } | |||
| 4667 | ||||
| 4668 | while (pd[col_proto_pos + col_proto_len - 1] == 0) { | |||
| 4669 | col_proto_len -= 1; | |||
| 4670 | } | |||
| 4671 | ||||
| 4672 | while (pd[col_info_pos + col_info_len - 1] == 0) { | |||
| 4673 | col_info_len -= 1; | |||
| 4674 | } | |||
| 4675 | ||||
| 4676 | if (tag_diss_len == strlen(BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines") && 0 == strncmp(BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines", &pd[tag_diss_pos], tag_diss_len)) { | |||
| 4677 | if (col_proto_len == strlen(BLF_APPTEXT_COL_PROT_TEXT"BLF App text") && 0 == strncmp(BLF_APPTEXT_COL_PROT_TEXT"BLF App text", &pd[col_proto_pos], col_proto_len)) { | |||
| 4678 | blf_apptext_t apptext_header; | |||
| 4679 | apptext_header.source = BLF_APPTEXT_METADATA0x00000002; | |||
| 4680 | apptext_header.reservedAppText1 = 0; | |||
| 4681 | apptext_header.reservedAppText2 = 412; /* not sure what to put in but this is commonly used!? */ | |||
| 4682 | uint32_t payload_len = (uint32_t)(length - pos); | |||
| 4683 | apptext_header.textLength = payload_len; | |||
| 4684 | ||||
| 4685 | /* Metadata */ | |||
| 4686 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, BLF_APPTEXT_COL_INFO_TEXT_... */ | |||
| 4687 | if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General", &pd[col_info_pos], col_info_len)) { | |||
| 4688 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_GENERAL */ | |||
| 4689 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_GENERAL0x01 << 24) | (0xffffff & payload_len); | |||
| 4690 | } else if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels", &pd[col_info_pos], col_info_len)) { | |||
| 4691 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_CHANNELS */ | |||
| 4692 | if (writer_data->iface_to_channel_names_recovered) { | |||
| 4693 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_CHANNELS0x02 << 24) | (0xffffff & payload_len); | |||
| 4694 | } | |||
| 4695 | } else if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity", &pd[col_info_pos], col_info_len)) { | |||
| 4696 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_IDENTITY */ | |||
| 4697 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_IDENTITY0x03 << 24) | (0xffffff & payload_len); | |||
| 4698 | // else if | |||
| 4699 | /* BLF_APPTEXT_COMMENT */ | |||
| 4700 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Comment: %s" */ | |||
| 4701 | // TODO } else { | |||
| 4702 | // else if | |||
| 4703 | /* BLF_APPTEXT_ATTACHMENT */ | |||
| 4704 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Attachment: %s" */ | |||
| 4705 | // TODO } else { | |||
| 4706 | // else if | |||
| 4707 | /* BLF_APPTEXT_TRACELINE */ | |||
| 4708 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Trace line%s: %s" */ | |||
| 4709 | // TODO | |||
| 4710 | } else { | |||
| 4711 | return true1; /* just leave */ | |||
| 4712 | } | |||
| 4713 | ||||
| 4714 | fix_endianness_blf_apptext_header(&apptext_header); | |||
| 4715 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_APP_TEXT65, sizeof(blf_apptext_t) + payload_len)) { | |||
| 4716 | return false0; | |||
| 4717 | } | |||
| 4718 | if (!wtap_dump_file_write(wdh, &(apptext_header), sizeof(blf_apptext_t), err)) { | |||
| 4719 | return false0; | |||
| 4720 | } | |||
| 4721 | if (!wtap_dump_file_write(wdh, &(pd[pos]), payload_len, err)) { | |||
| 4722 | return false0; | |||
| 4723 | } | |||
| 4724 | return true1; | |||
| 4725 | } | |||
| 4726 | // else if | |||
| 4727 | /* BLF_OBJTYPE_ETHERNET_STATUS */ | |||
| 4728 | /* tags: BLF_APPTEXT_TAG_DISS_ETHSTATUS */ | |||
| 4729 | // TODO | |||
| 4730 | ||||
| 4731 | // else if | |||
| 4732 | /* BLF_OBJTYPE_ETHERNET_PHY_STATE */ | |||
| 4733 | /* tags: BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS */ | |||
| 4734 | // TODO | |||
| 4735 | } | |||
| 4736 | ||||
| 4737 | return true1; | |||
| 4738 | } | |||
| 4739 | ||||
| 4740 | static bool_Bool blf_dump_interface_setup_by_idb_desc(wtap_dumper *wdh, int *err _U___attribute__((unused))) { | |||
| 4741 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4742 | ||||
| 4743 | for (unsigned i = 0; i < wdh->interface_data->len; i++) { | |||
| 4744 | ws_debug("interface: %d", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4744, __func__, "interface: %d", i); } } while (0); | |||
| 4745 | ||||
| 4746 | /* get interface data */ | |||
| 4747 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]); | |||
| 4748 | if (idb == NULL((void*)0)) { | |||
| 4749 | return false0; | |||
| 4750 | } | |||
| 4751 | ||||
| 4752 | char *iface_descr = NULL((void*)0); | |||
| 4753 | bool_Bool iface_descr_found = wtap_block_get_string_option_value(idb, OPT_IDB_DESCRIPTION3, &iface_descr) == WTAP_OPTTYPE_SUCCESS; | |||
| 4754 | ||||
| 4755 | if (!iface_descr_found) { | |||
| 4756 | ws_debug("IDB interface description not found! We need to map the interfaces.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4756, __func__, "IDB interface description not found! We need to map the interfaces." ); } } while (0); | |||
| 4757 | return false0; | |||
| 4758 | } | |||
| 4759 | ||||
| 4760 | if (strncmp(iface_descr, "BLF-", 4) != 0) { | |||
| 4761 | ws_debug("IDB interface description found but not BLF format! We have to map freely the interfaces.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4761, __func__, "IDB interface description found but not BLF format! We have to map freely the interfaces." ); } } while (0); | |||
| 4762 | return false0; | |||
| 4763 | } | |||
| 4764 | ||||
| 4765 | if (strncmp(iface_descr, "BLF-ETH-", 8) == 0) { | |||
| 4766 | char *endptr; | |||
| 4767 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], &endptr, 16); | |||
| 4768 | uint16_t hwchannel = (uint16_t)strtol(&endptr[1], NULL((void*)0), 16); | |||
| 4769 | ||||
| 4770 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_ETHERNET1, channel, hwchannel)) { | |||
| 4771 | return false0; | |||
| 4772 | } | |||
| 4773 | } else if (strncmp(iface_descr, "BLF-CAN-", 8) == 0) { | |||
| 4774 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16); | |||
| 4775 | ||||
| 4776 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535))) { | |||
| 4777 | return false0; | |||
| 4778 | } | |||
| 4779 | } else if (strncmp(iface_descr, "BLF-LIN-", 8) == 0) { | |||
| 4780 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16); | |||
| 4781 | ||||
| 4782 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_LIN107, channel, UINT16_MAX(65535))) { | |||
| 4783 | return false0; | |||
| 4784 | } | |||
| 4785 | } else if (strncmp(iface_descr, "BLF-FR-", 7) == 0) { | |||
| 4786 | uint16_t channel = (uint16_t)strtol(&iface_descr[7], NULL((void*)0), 16); | |||
| 4787 | ||||
| 4788 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_FLEXRAY106, channel, UINT16_MAX(65535))) { | |||
| 4789 | return false0; | |||
| 4790 | } | |||
| 4791 | } | |||
| 4792 | } | |||
| 4793 | ||||
| 4794 | writer_data->iface_to_channel_names_recovered = true1; | |||
| 4795 | return true1; | |||
| 4796 | } | |||
| 4797 | ||||
| 4798 | static bool_Bool blf_dump_interface_setup(wtap_dumper *wdh, int *err) { | |||
| 4799 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4800 | ||||
| 4801 | /* Try 1: BLF details in Interface Description */ | |||
| 4802 | if (blf_dump_interface_setup_by_idb_desc(wdh, err)) { | |||
| 4803 | return true1; | |||
| 4804 | } | |||
| 4805 | ||||
| 4806 | /* Try 2: Generate new IDs by mapping Interface IDs and also add names to BLF */ | |||
| 4807 | for (unsigned i = 0; i < wdh->interface_data->len; i++) { | |||
| 4808 | ws_debug("i: %d", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4808, __func__, "i: %d", i); } } while (0); | |||
| 4809 | ||||
| 4810 | /* get interface data */ | |||
| 4811 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]); | |||
| 4812 | if (idb == NULL((void*)0)) { | |||
| 4813 | return false0; | |||
| 4814 | } | |||
| 4815 | ||||
| 4816 | const wtapng_if_descr_mandatory_t *mand_data = (wtapng_if_descr_mandatory_t *) idb->mandatory_data; | |||
| 4817 | ||||
| 4818 | if (mand_data->wtap_encap == WTAP_ENCAP_ETHERNET1 || mand_data->wtap_encap == WTAP_ENCAP_SLL25 || | |||
| 4819 | mand_data->wtap_encap == WTAP_ENCAP_LIN107 || mand_data->wtap_encap == WTAP_ENCAP_SOCKETCAN125) { | |||
| 4820 | ||||
| 4821 | char *iface_name = NULL((void*)0); | |||
| 4822 | bool_Bool iface_name_found = wtap_block_get_string_option_value(idb, OPT_IDB_NAME2, &iface_name) == WTAP_OPTTYPE_SUCCESS; | |||
| 4823 | ||||
| 4824 | /* BLF can only support 256 channels */ | |||
| 4825 | if (iface_name_found && iface_name != NULL((void*)0) && i < 256) { | |||
| 4826 | blf_apptext_t apptextheader; | |||
| 4827 | apptextheader.source = BLF_APPTEXT_CHANNEL0x00000001; | |||
| 4828 | ||||
| 4829 | apptextheader.reservedAppText1 = 0x01 | ((uint8_t)i << 8); | |||
| 4830 | ||||
| 4831 | switch (mand_data->wtap_encap) { | |||
| 4832 | case WTAP_ENCAP_ETHERNET1: | |||
| 4833 | apptextheader.reservedAppText1 |= (BLF_BUSTYPE_ETHERNET11 << 16); | |||
| 4834 | break; | |||
| 4835 | ||||
| 4836 | case WTAP_ENCAP_SLL25: | |||
| 4837 | case WTAP_ENCAP_SOCKETCAN125: | |||
| 4838 | apptextheader.reservedAppText1 |= (BLF_BUSTYPE_CAN1 << 16); | |||
| 4839 | /* TODO: Do we have to set CAN-FD flag? (bit 24)*/ | |||
| 4840 | break; | |||
| 4841 | ||||
| 4842 | case WTAP_ENCAP_LIN107: | |||
| 4843 | apptextheader.reservedAppText1 |= (BLF_BUSTYPE_LIN5 << 16); | |||
| 4844 | break; | |||
| 4845 | ||||
| 4846 | } | |||
| 4847 | ||||
| 4848 | apptextheader.reservedAppText2 = 0; | |||
| 4849 | ||||
| 4850 | /* We do not know the name of the database file.*/ | |||
| 4851 | const char prefix[] = "unknown.db;"; | |||
| 4852 | uint32_t textlength = (uint32_t)(strlen(prefix) + strlen(iface_name)); | |||
| 4853 | apptextheader.textLength = textlength; | |||
| 4854 | ||||
| 4855 | fix_endianness_blf_apptext_header(&apptextheader); | |||
| 4856 | ||||
| 4857 | if (!blf_dump_objheader(wdh, err, 0, BLF_OBJTYPE_APP_TEXT65, sizeof(apptextheader) + textlength)) { | |||
| 4858 | return false0; | |||
| 4859 | } | |||
| 4860 | ||||
| 4861 | if (!wtap_dump_file_write(wdh, &(apptextheader), sizeof(blf_apptext_t), err)) { | |||
| 4862 | return false0; | |||
| 4863 | } | |||
| 4864 | ||||
| 4865 | if (!wtap_dump_file_write(wdh, prefix, strlen(prefix), err)) { | |||
| 4866 | return false0; | |||
| 4867 | } | |||
| 4868 | ||||
| 4869 | /* write channel name !*/ | |||
| 4870 | if (!wtap_dump_file_write(wdh, iface_name, strlen(iface_name), err)) { | |||
| 4871 | return false0; | |||
| 4872 | } | |||
| 4873 | ||||
| 4874 | /* mapping up to 256 interface ids to channels directly */ | |||
| 4875 | if (!blf_dump_set_interface_mapping(wdh, i, mand_data->wtap_encap, (uint16_t)i, UINT16_MAX(65535))) { | |||
| 4876 | return false0; | |||
| 4877 | } | |||
| 4878 | } | |||
| 4879 | } | |||
| 4880 | } | |||
| 4881 | ||||
| 4882 | return true1; | |||
| 4883 | } | |||
| 4884 | ||||
| 4885 | static bool_Bool blf_dump(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) { | |||
| 4886 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; | |||
| 4887 | ws_debug("encap = %d (%s) rec type = %u", rec->rec_header.packet_header.pkt_encap,do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4888, __func__, "encap = %d (%s) rec type = %u", rec->rec_header .packet_header.pkt_encap, wtap_encap_description(rec->rec_header .packet_header.pkt_encap), rec->rec_type); } } while (0) | |||
| 4888 | wtap_encap_description(rec->rec_header.packet_header.pkt_encap), rec->rec_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4888, __func__, "encap = %d (%s) rec type = %u", rec->rec_header .packet_header.pkt_encap, wtap_encap_description(rec->rec_header .packet_header.pkt_encap), rec->rec_type); } } while (0); | |||
| 4889 | ||||
| 4890 | /* TODO */ | |||
| 4891 | switch (rec->rec_type) { | |||
| 4892 | case REC_TYPE_PACKET0: | |||
| 4893 | break; | |||
| 4894 | default: | |||
| 4895 | *err = WTAP_ERR_UNWRITABLE_REC_TYPE-24; | |||
| 4896 | return false0; | |||
| 4897 | } | |||
| 4898 | ||||
| 4899 | /* logcontainer full already? we just estimate the headers/overhead to be less than 100 */ | |||
| 4900 | blf_dump_check_logcontainer_full(wdh, err, err_info, rec->rec_header.packet_header.len + 100); | |||
| 4901 | ||||
| 4902 | if (!writer_data->start_time_set) { | |||
| 4903 | /* TODO: consider to set trace start time to first packet time stamp - is this the lowest timestamp? how to know? */ | |||
| 4904 | writer_data->start_time = 0; | |||
| 4905 | writer_data->start_time_set = true1; | |||
| 4906 | } | |||
| 4907 | ||||
| 4908 | uint64_t obj_timestamp = (rec->ts.secs * 1000 * 1000 * 1000 + rec->ts.nsecs); | |||
| 4909 | ||||
| 4910 | if (writer_data->end_time < obj_timestamp) { | |||
| 4911 | writer_data->end_time = obj_timestamp; | |||
| 4912 | } | |||
| 4913 | ||||
| 4914 | /* reduce by BLF start offset */ | |||
| 4915 | obj_timestamp = obj_timestamp - writer_data->start_time; | |||
| 4916 | writer_data->object_count += 1; | |||
| 4917 | ||||
| 4918 | switch (rec->rec_header.packet_header.pkt_encap) { | |||
| 4919 | case WTAP_ENCAP_ETHERNET1: /* 1 */ | |||
| 4920 | return blf_dump_ethernet(wdh, rec, err, err_info, obj_timestamp); | |||
| 4921 | break; | |||
| 4922 | ||||
| 4923 | case WTAP_ENCAP_SLL25: /* 25 */ | |||
| 4924 | return blf_dump_sll(wdh, rec, err, err_info, obj_timestamp); | |||
| 4925 | break; | |||
| 4926 | ||||
| 4927 | case WTAP_ENCAP_FLEXRAY106: /* 106 */ | |||
| 4928 | return blf_dump_flexray(wdh, rec, err, err_info, obj_timestamp); | |||
| 4929 | break; | |||
| 4930 | ||||
| 4931 | case WTAP_ENCAP_LIN107: /* 107 */ | |||
| 4932 | return blf_dump_lin(wdh, rec, err, err_info, obj_timestamp); | |||
| 4933 | break; | |||
| 4934 | ||||
| 4935 | case WTAP_ENCAP_SOCKETCAN125: { /* 125 */ | |||
| 4936 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); | |||
| 4937 | size_t length = ws_buffer_length(&rec->data); | |||
| 4938 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, pd, length, false0, false0, false0, false0); | |||
| 4939 | } | |||
| 4940 | break; | |||
| 4941 | ||||
| 4942 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155: /* 155 */ | |||
| 4943 | return blf_dump_upper_pdu(wdh, rec, err, err_info, obj_timestamp); | |||
| 4944 | break; | |||
| 4945 | ||||
| 4946 | default: | |||
| 4947 | /* we did not write, so correct count */ | |||
| 4948 | writer_data->object_count -= 1; | |||
| 4949 | } | |||
| 4950 | ||||
| 4951 | return true1; | |||
| 4952 | } | |||
| 4953 | ||||
| 4954 | /* Returns 0 if we could write the specified encapsulation type, | |||
| 4955 | an error indication otherwise. */ | |||
| 4956 | static int blf_dump_can_write_encap(int wtap_encap) { | |||
| 4957 | ws_debug("encap = %d (%s)", wtap_encap, wtap_encap_description(wtap_encap))do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4957, __func__, "encap = %d (%s)", wtap_encap, wtap_encap_description (wtap_encap)); } } while (0); | |||
| 4958 | ||||
| 4959 | /* Per-packet encapsulation is supported. */ | |||
| 4960 | if (wtap_encap == WTAP_ENCAP_PER_PACKET-1) | |||
| 4961 | return 0; | |||
| 4962 | ||||
| 4963 | switch (wtap_encap) { | |||
| 4964 | /* fall through */ | |||
| 4965 | case WTAP_ENCAP_ETHERNET1: | |||
| 4966 | case WTAP_ENCAP_SLL25: | |||
| 4967 | case WTAP_ENCAP_FLEXRAY106: | |||
| 4968 | case WTAP_ENCAP_LIN107: | |||
| 4969 | case WTAP_ENCAP_SOCKETCAN125: | |||
| 4970 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155: | |||
| 4971 | return 0; | |||
| 4972 | } | |||
| 4973 | ||||
| 4974 | return WTAP_ERR_UNWRITABLE_ENCAP-8; | |||
| 4975 | } | |||
| 4976 | ||||
| 4977 | static bool_Bool blf_add_idb(wtap_dumper *wdh _U___attribute__((unused)), wtap_block_t idb _U___attribute__((unused)), int *err _U___attribute__((unused)), char **err_info _U___attribute__((unused))) { | |||
| 4978 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4978, __func__, "entering function"); } } while (0); | |||
| 4979 | /* TODO: is there any reason to keep this? */ | |||
| 4980 | ||||
| 4981 | return true1; | |||
| 4982 | } | |||
| 4983 | ||||
| 4984 | /* Finish writing to a dump file. | |||
| 4985 | Returns true on success, false on failure. */ | |||
| 4986 | static bool_Bool blf_dump_finish(wtap_dumper *wdh, int *err, char **err_info) { | |||
| 4987 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) { | |||
| 4988 | return false0; | |||
| 4989 | } | |||
| 4990 | ||||
| 4991 | if (!blf_finalize_file_header(wdh, err)) { | |||
| 4992 | return false0; | |||
| 4993 | } | |||
| 4994 | ||||
| 4995 | /* File is finished, do not touch anymore ! */ | |||
| 4996 | ||||
| 4997 | ws_debug("leaving function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4997, __func__, "leaving function"); } } while (0); | |||
| 4998 | return true1; | |||
| 4999 | } | |||
| 5000 | ||||
| 5001 | /* Returns true on success, false on failure; sets "*err" to an error code on | |||
| 5002 | failure */ | |||
| 5003 | static bool_Bool | |||
| 5004 | blf_dump_open(wtap_dumper *wdh, int *err, char **err_info) { | |||
| 5005 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5005, __func__, "entering function"); } } while (0); | |||
| ||||
| 5006 | ||||
| 5007 | if (wdh == NULL((void*)0) || wdh->priv != NULL((void*)0)) { | |||
| 5008 | *err = WTAP_ERR_INTERNAL-21; | |||
| 5009 | ws_debug("internal error: blf wdh is NULL or private data already set!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5009, __func__, "internal error: blf wdh is NULL or private data already set!" ); } } while (0); | |||
| 5010 | return false0; | |||
| 5011 | } | |||
| 5012 | ||||
| 5013 | wdh->subtype_add_idb = blf_add_idb; | |||
| 5014 | wdh->subtype_write = blf_dump; | |||
| 5015 | wdh->subtype_finish = blf_dump_finish; | |||
| 5016 | ||||
| 5017 | /* set up priv data */ | |||
| 5018 | blf_writer_data_t *writer_data = g_new(blf_writer_data_t, 1)((blf_writer_data_t *) g_malloc_n ((1), sizeof (blf_writer_data_t ))); | |||
| 5019 | wdh->priv = writer_data; | |||
| 5020 | ||||
| 5021 | /* set up and init interface mappings */ | |||
| 5022 | writer_data->iface_to_channel_array = g_array_new(true1, true1, sizeof(blf_channel_to_iface_entry_t)); | |||
| 5023 | blf_dump_expand_interface_mapping(wdh, wdh->interface_data->len); | |||
| 5024 | writer_data->iface_to_channel_names_recovered = false0; | |||
| 5025 | ||||
| 5026 | writer_data->fileheader = NULL((void*)0); | |||
| 5027 | writer_data->object_count = 0; | |||
| 5028 | writer_data->start_time = 0; | |||
| 5029 | writer_data->start_time_set = false0; | |||
| 5030 | writer_data->end_time = 0; | |||
| 5031 | ||||
| 5032 | writer_data->logcontainer_start = LOG_CONTAINER_NONE(18446744073709551615UL); | |||
| 5033 | ||||
| 5034 | /* create the blf header structure and attach to wdh */ | |||
| 5035 | if (!blf_init_file_header(wdh, err)) { | |||
| 5036 | return false0; | |||
| 5037 | } | |||
| 5038 | ||||
| 5039 | /* write space in output file for header */ | |||
| 5040 | if (!blf_write_file_header_zeros(wdh, err)) { | |||
| 5041 | return false0; | |||
| 5042 | } | |||
| 5043 | ||||
| 5044 | ws_debug("wrote blf file header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5044, __func__, "wrote blf file header"); } } while (0); | |||
| 5045 | ||||
| 5046 | /* Create first log_container */ | |||
| 5047 | if (!blf_dump_start_logcontainer(wdh, err, err_info)) { | |||
| 5048 | return false0; | |||
| 5049 | } | |||
| 5050 | ||||
| 5051 | if (!blf_dump_interface_setup(wdh, err)) { | |||
| 5052 | return false0; | |||
| 5053 | } | |||
| 5054 | ||||
| 5055 | return true1; | |||
| 5056 | } | |||
| 5057 | ||||
| 5058 | static const struct file_type_subtype_info blf_info = { | |||
| 5059 | "Vector Informatik Binary Logging Format (BLF) logfile", "blf", "blf", NULL((void*)0), | |||
| 5060 | false0, BLOCKS_SUPPORTED(blf_blocks_supported)(sizeof (blf_blocks_supported) / sizeof (blf_blocks_supported )[0]), blf_blocks_supported, | |||
| 5061 | blf_dump_can_write_encap, blf_dump_open, NULL((void*)0) | |||
| 5062 | }; | |||
| 5063 | ||||
| 5064 | void register_blf(void) | |||
| 5065 | { | |||
| 5066 | blf_file_type_subtype = wtap_register_file_type_subtype(&blf_info); | |||
| 5067 | ||||
| 5068 | /* | |||
| 5069 | * Register name for backwards compatibility with the | |||
| 5070 | * wtap_filetypes table in Lua. | |||
| 5071 | */ | |||
| 5072 | wtap_register_backwards_compatibility_lua_name("BLF", blf_file_type_subtype); | |||
| 5073 | } | |||
| 5074 | ||||
| 5075 | /* | |||
| 5076 | * Editor modelines - https://www.wireshark.org/tools/modelines.html | |||
| 5077 | * | |||
| 5078 | * Local variables: | |||
| 5079 | * c-basic-offset: 4 | |||
| 5080 | * tab-width: 8 | |||
| 5081 | * indent-tabs-mode: nil | |||
| 5082 | * End: | |||
| 5083 | * | |||
| 5084 | * vi: set shiftwidth=4 tabstop=8 expandtab: | |||
| 5085 | * :indentSize=4:tabSize=8:noTabs=true: | |||
| 5086 | */ |