(/home/sate/Testcases/c/cve/wireshark-1.2.0/epan/dissectors/packet-ses.c) |
| |
| 336 | | | dissect_parameter(tvbuff_t *tvb, int offset, proto_tree *tree, |
| 337 | | | proto_tree *param_tree, packet_info *pinfo, guint8 param_type, |
| 338 | | | guint16 param_len, struct SESSION_DATA_STRUCTURE *session) |
| 339 | | | { |
| 340 | | | gboolean has_user_information = TRUE; |
| 341 | | | guint16 flags; |
| 342 | | | proto_item *tf; |
| 343 | | | proto_tree *flags_tree; |
| 344 | | | asn1_ctx_t asn1_ctx; |
| 345 | | | asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); |
| 346 | | | |
| 347 | | | switch (param_type) |
| 348 | | | { |
| 349 | | | case Called_SS_user_Reference: |
| 350 | | | if (param_len == 0) |
| 351 | | | break; |
| 352 | | | if (tree) |
| 353 | | | { |
| 354 | | | proto_tree_add_item(param_tree, |
| 355 | | | hf_called_ss_user_reference, |
| 356 | | | tvb, offset, param_len, FALSE); |
| 357 | | | } |
| 358 | | | break; |
| 359 | | | |
| 360 | | | case Calling_SS_user_Reference: |
| 361 | | | if (param_len == 0) |
| 362 | | | break; |
| 363 | | | if (tree) |
| 364 | | | { |
| 365 | | | proto_tree_add_item(param_tree, |
| 366 | | | hf_calling_ss_user_reference, |
| 367 | | | tvb, offset, param_len, FALSE); |
| 368 | | | } |
| 369 | | | break; |
| 370 | | | |
| 371 | | | case Common_Reference: |
| 372 | | | if (param_len == 0) |
| 373 | | | break; |
| 374 | | | if (tree) |
| 375 | | | { |
| 376 | | | proto_tree_add_item(param_tree, |
| 377 | | | hf_common_reference, |
| 378 | | | tvb, offset, param_len, FALSE); |
| 379 | | | } |
| 380 | | | break; |
| 381 | | | |
| 382 | | | case Additional_Reference_Information: |
| 383 | | | if (param_len == 0) |
| 384 | | | break; |
| 385 | | | if (tree) |
| 386 | | | { |
| 387 | | | proto_tree_add_item(param_tree, |
| 388 | | | hf_additional_reference_information, |
| 389 | | | tvb, offset, param_len, FALSE); |
| 390 | | | } |
| 391 | | | break; |
| 392 | | | |
| 393 | | | case Token_Item: |
| 394 | | | if (param_len != 1) |
| 395 | | | { |
| 396 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 397 | | | param_len, "Length is %u, should be 1", |
| 398 | | | param_len); |
| 399 | | | break; |
| 400 | | | } |
| 401 | | | if (tree) |
| 402 | | | { |
| 403 | | | flags = tvb_get_guint8(tvb, offset); |
| 404 | | | tf = proto_tree_add_uint(param_tree, |
| 405 | | | hf_token_item_options_flags, tvb, offset, 1, |
| 406 | | | flags); |
| 407 | | | flags_tree = proto_item_add_subtree(tf, |
| 408 | | | ett_token_item_flags); |
| 409 | | | proto_tree_add_boolean(flags_tree, hf_release_token, |
| 410 | | | tvb, offset, 1, flags); |
| 411 | | | proto_tree_add_boolean(flags_tree, |
| 412 | | | hf_major_activity_token, tvb, offset, 1, flags); |
| 413 | | | proto_tree_add_boolean(flags_tree, |
| 414 | | | hf_synchronize_minor_token, tvb, offset, 1, flags); |
| 415 | | | proto_tree_add_boolean(flags_tree, hf_data_token, tvb, |
| 416 | | | offset, 1, flags); |
| 417 | | | } |
| 418 | | | break; |
| 419 | | | |
| 420 | | | case Transport_Disconnect: |
| 421 | | | if (param_len != 1) |
| 422 | | | { |
| 423 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 424 | | | param_len, "Length is %u, should be 1", |
| 425 | | | param_len); |
| 426 | | | break; |
| 427 | | | } |
| 428 | | | if (tree) |
| 429 | | | { |
| 430 | | | guint8 flags; |
| 431 | | | |
| 432 | | | flags = tvb_get_guint8(tvb, offset); |
| 433 | | | if(flags & transport_connection_is_released ) |
| 434 | | | { |
| 435 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 436 | | | "transport connection is released"); |
| 437 | | | } |
| 438 | | | else |
| 439 | | | { |
| 440 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 441 | | | "transport connection is kept"); |
| 442 | | | } |
| 443 | | | |
| 444 | | | if(flags & user_abort ) |
| 445 | | | { |
| 446 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 447 | | | "user abort"); |
| 448 | | | session->abort_type = SESSION_USER_ABORT; |
| 449 | | | } |
| 450 | | | else |
| 451 | | | { |
| 452 | | | session->abort_type = SESSION_PROVIDER_ABORT; |
| 453 | | | } |
| 454 | | | |
| 455 | | | if(flags & protocol_error ) |
| 456 | | | { |
| 457 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 458 | | | "protocol error"); |
| 459 | | | } |
| 460 | | | |
| 461 | | | if(flags & no_reason ) |
| 462 | | | { |
| 463 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 464 | | | "no reason"); |
| 465 | | | } |
| 466 | | | |
| 467 | | | if(flags & implementation_restriction ) |
| 468 | | | { |
| 469 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 470 | | | "implementation restriction"); |
| 471 | | | } |
| 472 | | | } |
| 473 | | | break; |
| 474 | | | |
| 475 | | | case Protocol_Options: |
| 476 | | | if (param_len != 1) |
| 477 | | | { |
| 478 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 479 | | | param_len, "Length is %u, should be 1", |
| 480 | | | param_len); |
| 481 | | | break; |
| 482 | | | } |
| 483 | | | if (tree) |
| 484 | | | { |
| 485 | | | flags = tvb_get_guint8(tvb, offset); |
| 486 | | | tf = proto_tree_add_uint(param_tree, |
| 487 | | | hf_connect_protocol_options_flags, tvb, offset, 1, |
| 488 | | | flags); |
| 489 | | | flags_tree = proto_item_add_subtree(tf, |
| 490 | | | ett_connect_protocol_options_flags); |
| 491 | | | proto_tree_add_boolean(flags_tree, |
| 492 | | | hf_able_to_receive_extended_concatenated_SPDU, |
| 493 | | | tvb, offset, 1, flags); |
| 494 | | | } |
| 495 | | | break; |
| 496 | | | |
| 497 | | | case Session_Requirement: |
| 498 | | | if (param_len != 2) |
| 499 | | | { |
| 500 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 501 | | | param_len, "Length is %u, should be 2", |
| 502 | | | param_len); |
| 503 | | | break; |
| 504 | | | } |
| 505 | | | if (tree) |
| 506 | | | { |
| 507 | | | flags = tvb_get_ntohs(tvb, offset); |
| 508 | | | tf = proto_tree_add_uint(param_tree, |
| 509 | | | hf_session_user_req_flags, tvb, offset, 2, |
| 510 | | | flags); |
| 511 | | | flags_tree = proto_item_add_subtree(tf, |
| 512 | | | ett_ses_req_options_flags); |
| 513 | | | proto_tree_add_boolean(flags_tree, |
| 514 | | | hf_session_exception_report, tvb, offset, 2, flags); |
| 515 | | | proto_tree_add_boolean(flags_tree, |
| 516 | | | hf_data_separation_function_unit, tvb, offset, 2, |
| 517 | | | flags); |
| 518 | | | proto_tree_add_boolean(flags_tree, |
| 519 | | | hf_symmetric_synchronize_function_unit, |
| 520 | | | tvb, offset, 2, flags); |
| 521 | | | proto_tree_add_boolean(flags_tree, |
| 522 | | | hf_typed_data_function_unit, tvb, offset, 2, flags); |
| 523 | | | proto_tree_add_boolean(flags_tree, |
| 524 | | | hf_exception_function_unit, tvb, offset, 2, flags); |
| 525 | | | proto_tree_add_boolean(flags_tree, |
| 526 | | | hf_capability_function_unit, tvb, offset, 2, flags); |
| 527 | | | proto_tree_add_boolean(flags_tree, |
| 528 | | | hf_negotiated_release_function_unit, |
| 529 | | | tvb, offset, 2, flags); |
| 530 | | | proto_tree_add_boolean(flags_tree, |
| 531 | | | hf_activity_management_function_unit, |
| 532 | | | tvb, offset, 2, flags); |
| 533 | | | proto_tree_add_boolean(flags_tree, |
| 534 | | | hf_resynchronize_function_unit, tvb, offset, 2, |
| 535 | | | flags); |
| 536 | | | proto_tree_add_boolean(flags_tree, |
| 537 | | | hf_major_resynchronize_function_unit, |
| 538 | | | tvb, offset, 2, flags); |
| 539 | | | proto_tree_add_boolean(flags_tree, |
| 540 | | | hf_minor_resynchronize_function_unit, |
| 541 | | | tvb, offset, 2, flags); |
| 542 | | | proto_tree_add_boolean(flags_tree, |
| 543 | | | hf_expedited_data_resynchronize_function_unit, |
| 544 | | | tvb, offset, 2, flags); |
| 545 | | | proto_tree_add_boolean(flags_tree, |
| 546 | | | hf_duplex_function_unit, tvb, offset, 2, flags); |
| 547 | | | proto_tree_add_boolean(flags_tree, |
| 548 | | | hf_half_duplex_function_unit, |
| 549 | | | tvb, offset, 2, flags); |
| 550 | | | } |
| 551 | | | break; |
| 552 | | | |
| 553 | | | case TSDU_Maximum_Size: |
| 554 | | | if (param_len != 4) |
| 555 | | | { |
| 556 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 557 | | | param_len, "Length is %u, should be 4", |
| 558 | | | param_len); |
| 559 | | | break; |
| 560 | | | } |
| 561 | | | if (tree) |
| 562 | | | { |
| 563 | | | proto_tree_add_item(param_tree, |
| 564 | | | hf_proposed_tsdu_maximum_size_i2r, |
| 565 | | | tvb, offset, 2, FALSE); |
| 566 | | | proto_tree_add_item(param_tree, |
| 567 | | | hf_proposed_tsdu_maximum_size_r2i, |
| 568 | | | tvb, offset+2, 2, FALSE); |
| 569 | | | } |
| 570 | | | break; |
| 571 | | | |
| 572 | | | case Version_Number: |
| 573 | | | if (param_len != 1) |
| 574 | | | { |
| 575 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 576 | | | param_len, "Length is %u, should be 1", |
| 577 | | | param_len); |
| 578 | | | break; |
| 579 | | | } |
| 580 | | | if (tree) |
| 581 | | | { |
| 582 | | | flags = tvb_get_guint8(tvb, offset); |
| 583 | | | tf = proto_tree_add_uint(param_tree, |
| 584 | | | hf_version_number_options_flags, tvb, offset, 1, |
| 585 | | | flags); |
| 586 | | | flags_tree = proto_item_add_subtree(tf, |
| 587 | | | ett_protocol_version_flags); |
| 588 | | | proto_tree_add_boolean(flags_tree, |
| 589 | | | hf_protocol_version_2, tvb, offset, 1, flags); |
| 590 | | | proto_tree_add_boolean(flags_tree, |
| 591 | | | hf_protocol_version_1, tvb, offset, 1, flags); |
| 592 | | | } |
| 593 | | | break; |
| 594 | | | |
| 595 | | | case Initial_Serial_Number: |
| 596 | | | if (param_len == 0) |
| 597 | | | break; |
| 598 | | | if (tree) |
| 599 | | | { |
| 600 | | | proto_tree_add_item(param_tree, |
| 601 | | | hf_initial_serial_number, |
| 602 | | | tvb, offset, param_len, FALSE); |
| 603 | | | } |
| 604 | | | break; |
| 605 | | | |
| 606 | | | case EnclosureItem: |
| 607 | | | if (param_len != 1) |
| 608 | | | { |
| 609 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 610 | | | param_len, "Length is %u, should be 1", |
| 611 | | | param_len); |
| 612 | | | break; |
| 613 | | | } |
| 614 | | | flags = tvb_get_guint8(tvb, offset); |
| 615 | | | if (tree) |
| 616 | | | { |
| 617 | | | tf = proto_tree_add_uint(param_tree, |
| 618 | | | hf_enclosure_item_options_flags, tvb, offset, 1, |
| 619 | | | flags); |
| 620 | | | flags_tree = proto_item_add_subtree(tf, |
| 621 | | | ett_enclosure_item_flags); |
| 622 | | | proto_tree_add_boolean(flags_tree, hf_end_of_SSDU, |
| 623 | | | tvb, offset, 1, flags); |
| 624 | | | proto_tree_add_boolean(flags_tree, hf_beginning_of_SSDU, |
| 625 | | | tvb, offset, 1, flags); |
| 626 | | | } |
| 627 | | | if (flags & END_SPDU) { |
| 628 | | | |
| 629 | | | |
| 630 | | | |
| 631 | | | |
| 632 | | | |
| 633 | | | |
| 634 | | | |
| 635 | | | |
| 636 | | | has_user_information = FALSE; |
| 637 | | | } |
| 638 | | | break; |
| 639 | | | |
| 640 | | | case Token_Setting_Item: |
| 641 | | | if (param_len != 1) |
| 642 | | | { |
| 643 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 644 | | | param_len, "Length is %u, should be 1", |
| 645 | | | param_len); |
| 646 | | | break; |
| 647 | | | } |
| 648 | | | if (tree) |
| 649 | | | { |
| 650 | | | proto_tree_add_item(param_tree, |
| 651 | | | hf_release_token_setting, |
| 652 | | | tvb, offset, 1, FALSE); |
| 653 | | | proto_tree_add_item(param_tree, |
| 654 | | | hf_major_activity_token_setting, |
| 655 | | | tvb, offset, 1, FALSE); |
| 656 | | | proto_tree_add_item(param_tree, |
| 657 | | | hf_synchronize_minor_token_setting, |
| 658 | | | tvb, offset, 1, FALSE); |
| 659 | | | proto_tree_add_item(param_tree, |
| 660 | | | hf_data_token_setting, |
| 661 | | | tvb, offset, 1, FALSE); |
| 662 | | | } |
| 663 | | | break; |
| 664 | | | |
| 665 | | | case Activity_Identifier: |
| 666 | | | if (param_len == 0) |
| 667 | | | break; |
| 668 | | | if (tree) |
| 669 | | | { |
| 670 | | | dissect_ber_integer(FALSE, &asn1_ctx, param_tree, tvb, offset, |
| 671 | | | hf_activity_identifier, NULL); |
Ignored Return Value
The return value of dissect_ber_integer() is never checked in the highlighted execution scenario. - If the return value can indicate an error, the error will be ignored if the highlighted code executes.
- The return value of dissect_ber_integer() is checked 100% of the time in this project. CodeSonar is configured to enforce Ignored Return Value checks for any function whose return value is checked at least 96% of the time, unless the function is used fewer than 20 times. (To modify these thresholds, use configuration file parameters RETURN_CHECKER_SAMPLE_SIZE and RETURN_CHECKER_RATIO. To exempt dissect_ber_integer() from the Ignored Return Value check, use configuration file parameter RETURN_CHECKER_IGNORED_FUNCS).
Show: All events | Only primary events |
|
| 672 | | | } |
| 673 | | | break; |
| 674 | | | |
| 675 | | | case Serial_Number: |
| 676 | | | if (param_len == 0) |
| 677 | | | break; |
| 678 | | | if (tree) |
| 679 | | | { |
| 680 | | | proto_tree_add_item(param_tree, |
| 681 | | | hf_serial_number, |
| 682 | | | tvb, offset, param_len, FALSE); |
| 683 | | | } |
| 684 | | | break; |
| 685 | | | |
| 686 | | | case Reason_Code: |
| 687 | | | |
| 688 | | | |
| 689 | | | |
| 690 | | | |
| 691 | | | |
| 692 | | | |
| 693 | | | |
| 694 | | | |
| 695 | | | |
| 696 | | | |
| 697 | | | |
| 698 | | | |
| 699 | | | |
| 700 | | | |
| 701 | | | if (param_len < 1) |
| 702 | | | { |
| 703 | | | proto_tree_add_text(param_tree, tvb, offset, |
| 704 | | | param_len, "Length is %u, should be >= 1", |
| 705 | | | param_len); |
| 706 | | | break; |
| 707 | | | } |
| 708 | | | if (tree) |
| 709 | | | { |
| 710 | | | guint8 reason_code; |
| 711 | | | |
| 712 | | | reason_code = tvb_get_guint8(tvb, offset); |
| 713 | | | proto_tree_add_text(param_tree, tvb, offset, 1, |
| 714 | | | "Reason Code: %s", |
| 715 | | | val_to_str(reason_code, reason_vals, "Unknown (%u)")); |
| 716 | | | } |
| 717 | | | offset++; |
| 718 | | | param_len--; |
| 719 | | | if (param_len != 0) |
| 720 | | | { |
| 721 | | | call_pres_dissector(tvb, offset, param_len, |
| 722 | | | pinfo, tree, param_tree, session); |
| 723 | | | } |
| 724 | | | break; |
| 725 | | | |
| 726 | | | case Calling_Session_Selector: |
| 727 | | | if (param_len == 0) |
| 728 | | | break; |
| 729 | | | if (tree) |
| 730 | | | { |
| 731 | | | proto_tree_add_item(param_tree, |
| 732 | | | hf_calling_session_selector, |
| 733 | | | tvb, offset, param_len, FALSE); |
| 734 | | | } |
| 735 | | | break; |
| 736 | | | |
| 737 | | | case Called_Session_Selector: |
| 738 | | | if (param_len == 0) |
| 739 | | | break; |
| 740 | | | if (tree) |
| 741 | | | { |
| 742 | | | proto_tree_add_item(param_tree, |
| 743 | | | hf_called_session_selector, |
| 744 | | | tvb, offset, param_len, FALSE); |
| 745 | | | } |
| 746 | | | break; |
| 747 | | | |
| 748 | | | case Second_Serial_Number: |
| 749 | | | if (param_len == 0) |
| 750 | | | break; |
| 751 | | | if (tree) |
| 752 | | | { |
| 753 | | | proto_tree_add_item(param_tree, |
| 754 | | | hf_second_serial_number, |
| 755 | | | tvb, offset, param_len, FALSE); |
| 756 | | | } |
| 757 | | | break; |
| 758 | | | |
| 759 | | | case Second_Initial_Serial_Number: |
| 760 | | | if (param_len == 0) |
| 761 | | | break; |
| 762 | | | if (tree) |
| 763 | | | { |
| 764 | | | proto_tree_add_item(param_tree, |
| 765 | | | hf_second_initial_serial_number, |
| 766 | | | tvb, offset, param_len, FALSE); |
| 767 | | | } |
| 768 | | | break; |
| 769 | | | |
| 770 | | | case Large_Initial_Serial_Number: |
| 771 | | | if (param_len == 0) |
| 772 | | | break; |
| 773 | | | if (tree) |
| 774 | | | { |
| 775 | | | proto_tree_add_item(param_tree, |
| 776 | | | hf_large_initial_serial_number, |
| 777 | | | tvb, offset, param_len, FALSE); |
| 778 | | | } |
| 779 | | | break; |
| 780 | | | |
| 781 | | | case Large_Second_Initial_Serial_Number: |
| 782 | | | if (param_len == 0) |
| 783 | | | break; |
| 784 | | | if (tree) |
| 785 | | | { |
| 786 | | | proto_tree_add_item(param_tree, |
| 787 | | | hf_large_second_initial_serial_number, |
| 788 | | | tvb, offset, param_len, FALSE); |
| 789 | | | } |
| 790 | | | break; |
| 791 | | | |
| 792 | | | default: |
| 793 | | | break; |
| 794 | | | } |
| 795 | | | return has_user_information; |
| 796 | | | } |
| |