(/home/sate/Testcases/c/cve/wireshark-1.2.0/wiretap/toshiba.c) |
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| 294 | | | parse_toshiba_rec_hdr(wtap *wth, FILE_T fh, |
| 295 | | | union *, int *err, gchar **err_info) |
| 296 | | | { |
| 297 | | | char line[TOSHIBA_LINE_LENGTH]; |
| 298 | | | int num_items_scanned; |
| 299 | | | int pkt_len, pktnum, hr, min, sec, csec; |
| 300 | | | char channel[10], direction[10]; |
| 301 | | | |
| 302 | | | |
| 303 | | | |
| 304 | | | |
| 305 | | | |
| 306 | | | if (file_gets(line, TOSHIBA_LINE_LENGTH, fh) == NULL) { |
| 307 | | | *err = file_error(fh); |
| 308 | | | if (*err == 0) { |
| 309 | | | *err = WTAP_ERR_SHORT_READ; |
| 310 | | | } |
| 311 | | | return -1; |
| 312 | | | } |
| 313 | | | |
| 314 | | | |
| 315 | | | |
| 316 | | | |
| 317 | | | num_items_scanned = sscanf(line, "%d] %d:%d:%d.%d %9s %9s", |
| 318 | | | &pktnum, &hr, &min, &sec, &csec, channel, direction); |
| 319 | | | |
| 320 | | | if (num_items_scanned != 7) { |
| 321 | | | *err = WTAP_ERR_BAD_RECORD; |
| 322 | | | *err_info = g_strdup("toshiba: record isn't valid"); |
| 323 | | | return -1; |
| 324 | | | } |
| 325 | | | |
| 326 | | | |
| 327 | | | |
| 328 | | | |
| 329 | | | |
| 330 | | | |
| 331 | | | |
| 332 | | | |
| 333 | | | |
| 334 | | | |
| 335 | | | do { |
| 336 | | | if (file_gets(line, TOSHIBA_LINE_LENGTH, fh) == NULL) { |
| 337 | | | *err = file_error(fh); |
| 338 | | | if (*err == 0) { |
| 339 | | | *err = WTAP_ERR_SHORT_READ; |
| 340 | | | } |
| 341 | | | return -1; |
| 342 | | | } |
| 343 | | | |
| 344 | | | |
| 345 | | | line[16] = '\0'; |
| 346 | | | |
| 347 | | | } while (strcmp(line, "OFFSET 0001-0203") != 0); |
| 348 | | | |
| 349 | | | num_items_scanned = sscanf(line+64, "LEN=%d", &pkt_len); |
Unreachable Call
The highlighted code will not execute under any circumstances. This may be because of: |
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| 350 | | | if (num_items_scanned != 1) { |
| 351 | | | *err = WTAP_ERR_BAD_RECORD; |
| 352 | | | *err_info = g_strdup("toshiba: OFFSET line doesn't have valid LEN item"); |
| 353 | | | return -1; |
| 354 | | | } |
| 355 | | | |
| 356 | | | if (wth) { |
| 357 | | | wth->phdr.ts.secs = hr * 3600 + min * 60 + sec; |
| 358 | | | wth->phdr.ts.nsecs = csec * 10000000; |
| 359 | | | wth->phdr.caplen = pkt_len; |
| 360 | | | wth->phdr.len = pkt_len; |
| 361 | | | } |
| 362 | | | switch (channel[0]) { |
| 363 | | | case 'B': |
| 364 | | | if (wth) |
| 365 | | | wth->phdr.pkt_encap = WTAP_ENCAP_ISDN; |
| 366 | | | ->isdn.uton = (direction[0] == 'T'); |
| 367 | | | ->isdn.channel = (guint8) |
| 368 | | | strtol(&channel[1], NULL, 10); |
| 369 | | | break; |
| 370 | | | |
| 371 | | | case 'D': |
| 372 | | | if (wth) |
| 373 | | | wth->phdr.pkt_encap = WTAP_ENCAP_ISDN; |
| 374 | | | ->isdn.uton = (direction[0] == 'T'); |
| 375 | | | ->isdn.channel = 0; |
| 376 | | | break; |
| 377 | | | |
| 378 | | | default: |
| 379 | | | if (wth) |
| 380 | | | wth->phdr.pkt_encap = WTAP_ENCAP_ETHERNET; |
| 381 | | | |
| 382 | | | ->eth.fcs_len = -1; |
| 383 | | | break; |
| 384 | | | } |
| 385 | | | return pkt_len; |
| 386 | | | } |
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