(/home/sate/Testcases/c/cve/wireshark-1.2.0/plugins/wimax/msg_rng_rsp.c) |
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| 694 | | | void dissect_mac_mgmt_msg_rng_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
| 695 | | | { |
| 696 | | | proto_item *ranging_status_item = NULL; |
| 697 | | | proto_item *dl_freq_override_item = NULL; |
| 698 | | | proto_item *ss_mac_address_item = NULL; |
| 699 | | | proto_item *frame_number_item = NULL; |
| 700 | | | proto_item *opportunity_number_item = NULL; |
| 701 | | | |
| 702 | | | guint offset = 0; |
| 703 | | | guint tlv_offset; |
| 704 | | | guint tvb_len, payload_type; |
| 705 | | | proto_item *rng_rsp_item = NULL; |
| 706 | | | proto_item *tlv_item = NULL; |
| 707 | | | proto_tree *rng_rsp_tree = NULL; |
| 708 | | | proto_tree *sub_tree = NULL; |
| 709 | | | proto_tree *tlv_tree = NULL; |
| 710 | | | tlv_info_t tlv_info; |
| 711 | | | gint tlv_type; |
| 712 | | | guint tlv_len; |
| 713 | | | guint this_offset = 0; |
| 714 | | | tlv_info_t sub_tlv_info; |
| 715 | | | gint sub_tlv_type; |
| 716 | | | gint sub_tlv_len; |
| 717 | | | guint sub_tlv_offset; |
| 718 | | | float timing_adjust; |
| 719 | | | float power_level_adjust; |
| 720 | | | gint offset_freq_adjust; |
| 721 | | | |
| 722 | | | |
| 723 | | | payload_type = tvb_get_guint8(tvb, offset); |
| 724 | | | if(payload_type != MAC_MGMT_MSG_RNG_RSP) |
| 725 | | | { |
| 726 | | | return; |
| 727 | | | } |
| 728 | | | |
| 729 | | | if (tree) |
| 730 | | | { |
| 731 | | | |
| 732 | | | |
| 733 | | | tvb_len = tvb_reported_length(tvb); |
| 734 | | | |
| 735 | | | rng_rsp_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tvb_len, "MAC Management Message, RNG-RSP (5)"); |
| 736 | | | |
| 737 | | | rng_rsp_tree = proto_item_add_subtree(rng_rsp_item, ett_mac_mgmt_msg_rng_rsp_decoder); |
| 738 | | | |
| 739 | | | proto_tree_add_item(rng_rsp_tree, hf_rng_rsp_message_type, tvb, offset, 1, FALSE); |
| 740 | | | proto_tree_add_item(rng_rsp_tree, hf_rng_req_reserved, tvb, 1, 1, FALSE); |
| 741 | | | offset += 2; |
| 742 | | | |
| 743 | | | while(offset < tvb_len) |
Event 3:
Continuing from loop body. Leaving loop. offset < tvb_len evaluates to false.
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| 744 | | | { |
| 745 | | | |
| 746 | | | init_tlv_info(&tlv_info, tvb, offset); |
| 747 | | | |
| 748 | | | tlv_type = get_tlv_type(&tlv_info); |
| 749 | | | |
| 750 | | | tlv_len = get_tlv_length(&tlv_info); |
| 751 | | | if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1) |
| 752 | | | { |
| 753 | | | if(check_col(pinfo->cinfo, COL_INFO)) |
| 754 | | | { |
| 755 | | | col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error"); |
| 756 | | | } |
| 757 | | | proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE); |
| 758 | | | break; |
| 759 | | | } |
| 760 | | | |
| 761 | | | tlv_offset = offset + get_tlv_value_offset(&tlv_info); |
| 762 | | | |
| 763 | | | switch (tlv_type) { |
| 764 | | | case RNG_RSP_TIMING_ADJUST: { |
| 765 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Timing Adjust (%u byte(s))", tlv_len); |
| 766 | | | timing_adjust = (float)(gint32)tvb_get_ntohl(tvb, tlv_offset) / 4; |
| 767 | | | tlv_item = proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_timing_adjust, tvb, |
| 768 | | | tlv_offset, 4, timing_adjust, " %.2f modulation symbols", timing_adjust); |
| 769 | | | if ((timing_adjust < -2) || (timing_adjust > 2)) |
| 770 | | | proto_item_append_text(tlv_item, " (during periodic ranging shall not exceed +- 2)"); |
| 771 | | | break; |
| 772 | | | } |
| 773 | | | case RNG_RSP_POWER_LEVEL_ADJUST: { |
| 774 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Power Level Adjust (%u byte(s))", tlv_len); |
| 775 | | | power_level_adjust = (float)(gint8)tvb_get_guint8(tvb, tlv_offset) / 4; |
| 776 | | | proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_power_level_adjust, tvb, tlv_offset, 1, |
| 777 | | | power_level_adjust, " %.2f dB", power_level_adjust); |
| 778 | | | break; |
| 779 | | | } |
| 780 | | | case RNG_RSP_OFFSET_FREQ_ADJUST: { |
| 781 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Offset Frequency Adjust (%u byte(s))", tlv_len); |
| 782 | | | offset_freq_adjust = tvb_get_ntohl(tvb, tlv_offset); |
| 783 | | | proto_tree_add_int_format_value(sub_tree, hf_rng_rsp_offset_freq_adjust, tvb, tlv_offset, 4, |
| 784 | | | offset_freq_adjust, " %d Hz", offset_freq_adjust); |
| 785 | | | break; |
| 786 | | | } |
| 787 | | | case RNG_RSP_RANGING_STATUS: |
| 788 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ranging_status, tvb, tlv_offset, 1, FALSE); |
| 789 | | | ranging_status_item = proto_tree_add_item(sub_tree, hf_rng_rsp_ranging_status, tvb, tlv_offset, 1, FALSE); |
| 790 | | | break; |
| 791 | | | case RNG_RSP_DL_FREQ_OVERRIDE: { |
| 792 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_freq_override, tvb, tlv_offset, 4, FALSE); |
| 793 | | | dl_freq_override_item = proto_tree_add_item(sub_tree, hf_rng_rsp_dl_freq_override, tvb, tlv_offset, 4, FALSE); |
| 794 | | | proto_item_append_text(dl_freq_override_item, " kHz"); |
| 795 | | | break; |
| 796 | | | } |
| 797 | | | case RNG_RSP_UL_CHANNEL_ID_OVERRIDE: |
| 798 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ul_chan_id_override, tvb, tlv_offset, 1, FALSE); |
| 799 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ul_chan_id_override, tvb, tlv_offset, 1, FALSE); |
| 800 | | | break; |
| 801 | | | case RNG_RSP_DL_OPERATIONAL_BURST_PROFILE: |
| 802 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_operational_burst_profile, tvb, tlv_offset, 2, FALSE); |
| 803 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_diuc, tvb, tlv_offset, 2, FALSE); |
| 804 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_ccc, tvb, tlv_offset, 2, FALSE); |
| 805 | | | break; |
| 806 | | | case RNG_RSP_SS_MAC_ADDRESS: |
| 807 | | | if (tlv_len == 6) |
| 808 | | | { |
| 809 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE); |
| 810 | | | ss_mac_address_item = proto_tree_add_item(sub_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE); |
| 811 | | | } else { |
| 812 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_invalid_tlv, tvb, tlv_offset, tlv_len, FALSE); |
| 813 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE); |
| 814 | | | } |
| 815 | | | break; |
| 816 | | | case RNG_RSP_BASIC_CID: |
| 817 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_basic_cid, tvb, tlv_offset, 1, FALSE); |
| 818 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_basic_cid, tvb, tlv_offset, 2, FALSE); |
| 819 | | | break; |
| 820 | | | case RNG_RSP_PRIMARY_MGMT_CID: |
| 821 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_primary_mgmt_cid, tvb, tlv_offset, 1, FALSE); |
| 822 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_primary_mgmt_cid, tvb, tlv_offset, 2, FALSE); |
| 823 | | | break; |
| 824 | | | case RNG_RSP_AAS_BROADCAST_PERMISSION: |
| 825 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_broadcast, tvb, tlv_offset, 1, FALSE); |
| 826 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_broadcast, tvb, tlv_offset, 1, FALSE); |
| 827 | | | break; |
| 828 | | | case RNG_RSP_FRAME_NUMBER: |
| 829 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_frame_number, tvb, tlv_offset, 3, FALSE); |
| 830 | | | frame_number_item = proto_tree_add_item(sub_tree, hf_rng_rsp_frame_number, tvb, tlv_offset, 3, FALSE); |
| 831 | | | break; |
| 832 | | | case RNG_RSP_OPPORTUNITY_NUMBER: |
| 833 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_opportunity_number, tvb, tlv_offset, 1, FALSE); |
| 834 | | | opportunity_number_item = proto_tree_add_item(sub_tree, hf_rng_rsp_opportunity_number, tvb, tlv_offset, 1, FALSE); |
| 835 | | | if (tvb_get_ntohl(tvb, tlv_offset) == 0) |
| 836 | | | proto_item_append_text(opportunity_number_item, " (may not be 0!)"); |
| 837 | | | break; |
| 838 | | | case RNG_RSP_SERVICE_LEVEL_PREDICTION: |
| 839 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_service_level_prediction, tvb, tlv_offset, 1, FALSE); |
| 840 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_service_level_prediction, tvb, tlv_offset, 1, FALSE); |
| 841 | | | break; |
| 842 | | | case RNG_RSP_RESOURCE_RETAIN_FLAG: |
| 843 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_resource_retain_flag, tvb, tlv_offset, 1, FALSE); |
| 844 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_resource_retain_flag, tvb, tlv_offset, 1, FALSE); |
| 845 | | | break; |
| 846 | | | case RNG_RSP_HO_PROCESS_OPTIMIZATION: |
| 847 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ho_process_optimization, tvb, tlv_offset, 2, FALSE); |
| 848 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_0, tvb, tlv_offset, 2, FALSE); |
| 849 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_1_2, tvb, tlv_offset, 2, FALSE); |
| 850 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_3, tvb, tlv_offset, 2, FALSE); |
| 851 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_4, tvb, tlv_offset, 2, FALSE); |
| 852 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_5, tvb, tlv_offset, 2, FALSE); |
| 853 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_6, tvb, tlv_offset, 2, FALSE); |
| 854 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_7, tvb, tlv_offset, 2, FALSE); |
| 855 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_8, tvb, tlv_offset, 2, FALSE); |
| 856 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_9, tvb, tlv_offset, 2, FALSE); |
| 857 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_10, tvb, tlv_offset, 2, FALSE); |
| 858 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_11, tvb, tlv_offset, 2, FALSE); |
| 859 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_12, tvb, tlv_offset, 2, FALSE); |
| 860 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_13, tvb, tlv_offset, 2, FALSE); |
| 861 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_14, tvb, tlv_offset, 2, FALSE); |
| 862 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_15, tvb, tlv_offset, 2, FALSE); |
| 863 | | | break; |
| 864 | | | case RNG_RSP_SBC_RSP_ENCODINGS: |
| 865 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "SBC-RSP Encodings (%u byte(s))", tlv_len); |
| 866 | | | dissect_mac_mgmt_msg_sbc_rsp_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree); |
| 867 | | | break; |
| 868 | | | case RNG_RSP_REG_RSP_ENCODINGS: |
| 869 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "REG-RSP Encodings (%u byte(s))", tlv_len); |
| 870 | | | dissect_mac_mgmt_msg_reg_rsp_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree); |
| 871 | | | break; |
| 872 | | | |
| 873 | | | case RNG_RSP_DL_OP_BURST_PROFILE_OFDMA: |
| 874 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_op_burst_profile_ofdma, tvb, tlv_offset, 2, FALSE); |
| 875 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_least_robust_diuc, tvb, tlv_offset, 2, FALSE); |
| 876 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_repetition_coding_indication, tvb, tlv_offset, 2, FALSE); |
| 877 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_config_change_count_of_dcd, tvb, tlv_offset, 2, FALSE); |
| 878 | | | break; |
| 879 | | | case RNG_RSP_HO_ID: |
| 880 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ho_id, tvb, tlv_offset, 1, FALSE); |
| 881 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ho_id, tvb, tlv_offset, 1, FALSE); |
| 882 | | | break; |
| 883 | | | case RNG_RSP_LOCATION_UPDATE_RESPONSE: |
| 884 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_location_update_response, tvb, tlv_offset, 1, FALSE); |
| 885 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_location_update_response, tvb, tlv_offset, 1, FALSE); |
| 886 | | | break; |
| 887 | | | case RNG_RSP_PAGING_INFORMATION: |
| 888 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_paging_information, tvb, tlv_offset, 5, FALSE); |
| 889 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_paging_cycle, tvb, tlv_offset, 2, FALSE); |
| 890 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_paging_offset, tvb, tlv_offset+2, 1, FALSE); |
| 891 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_paging_group_id, tvb, tlv_offset+3, 2, FALSE); |
| 892 | | | break; |
| 893 | | | case RNG_RSP_POWER_SAVING_CLASS_PARAMETERS: |
| 894 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Power Saving Class Parameters (%u byte(s))", tlv_len); |
| 895 | | | dissect_power_saving_class(sub_tree, tlv_type, tvb, tlv_len, pinfo, tlv_offset); |
| 896 | | | break; |
| 897 | | | case RNG_RSP_SA_CHALLENGE_TUPLE: |
| 898 | | | |
| 899 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "SA Challenge Tuple (%u byte(s))", tlv_len); |
Ignored Return Value
The return value of add_protocol_subtree() 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 add_protocol_subtree() is checked 98% 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 add_protocol_subtree() from the Ignored Return Value check, use configuration file parameter RETURN_CHECKER_IGNORED_FUNCS).
Show: All events | Only primary events |
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| 900 | | | |
| 901 | | | |
| 902 | | | this_offset = tlv_offset; |
| 903 | | | while(this_offset < tlv_len) { |
Event 2:
Leaving loop. this_offset < tlv_len evaluates to false.
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| 904 | | | |
| 905 | | | init_tlv_info(&sub_tlv_info, tvb, this_offset); |
| 906 | | | |
| 907 | | | sub_tlv_type = get_tlv_type(&sub_tlv_info); |
| 908 | | | |
| 909 | | | sub_tlv_len = get_tlv_length(&sub_tlv_info); |
| 910 | | | if(tlv_type == -1 || sub_tlv_len > MAX_TLV_LEN || sub_tlv_len < 1) |
| 911 | | | { |
| 912 | | | if(check_col(pinfo->cinfo, COL_INFO)) |
| 913 | | | { |
| 914 | | | col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error"); |
| 915 | | | } |
| 916 | | | proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, tlv_offset, (tvb_len - offset), FALSE); |
| 917 | | | break; |
| 918 | | | } |
| 919 | | | |
| 920 | | | sub_tlv_offset = this_offset + get_tlv_value_offset(&sub_tlv_info); |
| 921 | | | switch (sub_tlv_type) { |
| 922 | | | case RNG_RSP_SA_CHALLENGE_BS_RANDOM: |
| 923 | | | tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_rng_rsp_bs_random, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 924 | | | proto_tree_add_item(tlv_tree, hf_rng_rsp_bs_random, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 925 | | | break; |
| 926 | | | case RNG_RSP_SA_CHALLENGE_AKID: |
| 927 | | | tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_rng_rsp_akid, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 928 | | | proto_tree_add_item(tlv_tree, hf_rng_rsp_akid, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 929 | | | break; |
| 930 | | | default: |
| 931 | | | tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_tlv_type, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 932 | | | proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, sub_tlv_offset, sub_tlv_len, FALSE); |
| 933 | | | break; |
| 934 | | | } |
| 935 | | | this_offset = sub_tlv_len + sub_tlv_offset; |
| 936 | | | } |
| 937 | | | break; |
| 938 | | | case DSx_UPLINK_FLOW: |
| 939 | | | |
| 940 | | | |
| 941 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_rsp_decoder, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Uplink QOS Parameters (%u bytes)", tlv_len); |
| 942 | | | |
| 943 | | | wimax_service_flow_encodings_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree); |
| 944 | | | break; |
| 945 | | | case DSx_DOWNLINK_FLOW: |
| 946 | | | |
| 947 | | | |
| 948 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_rsp_decoder, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Downlink QOS Parameters (%u bytes)", tlv_len); |
| 949 | | | |
| 950 | | | wimax_service_flow_encodings_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree); |
| 951 | | | break; |
| 952 | | | case RNG_RSP_RANGING_CODE_ATTRIBUTES: |
| 953 | | | |
| 954 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ranging_subchan, tvb, tlv_offset, 4, FALSE); |
| 955 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_time_symbol_reference, tvb, tlv_offset, 4, FALSE); |
| 956 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_subchannel_reference, tvb, tlv_offset, 4, FALSE); |
| 957 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_ranging_code_index, tvb, tlv_offset, 4, FALSE); |
| 958 | | | proto_tree_add_item(sub_tree, hf_rng_rsp_frame_number2, tvb, tlv_offset, 4, FALSE); |
| 959 | | | break; |
| 960 | | | case SHORT_HMAC_TUPLE_COR2: |
| 961 | | | if (include_cor2_changes) { |
| 962 | | | sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Short HMAC Tuple (%u byte(s))", tlv_len); |
| 963 | | | wimax_short_hmac_tuple_decoder(sub_tree, tvb, tlv_offset, tvb_len - offset); |
| 964 | | | } else { |
| 965 | | | |
| 966 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_tlv_type, tvb, tlv_offset, 1, FALSE); |
| 967 | | | proto_tree_add_item(sub_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE); |
| 968 | | | } |
| 969 | | | break; |
| 970 | | | |
| 971 | | | default: |
| 972 | | | sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_tlv_type, tvb, tlv_offset, 1, FALSE); |
| 973 | | | proto_tree_add_item(sub_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE); |
| 974 | | | break; |
| 975 | | | |
| 976 | | | } |
| 977 | | | offset = tlv_len + tlv_offset; |
| 978 | | | } |
| 979 | | | if (ranging_status_item && dl_freq_override_item) |
Event 4:
Skipping " if". ranging_status_item evaluates to false.
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| 980 | | | proto_item_append_text(ranging_status_item, " (shall be set to 2 because Downlink Frequency Override is present)"); |
| 981 | | | if (ss_mac_address_item && frame_number_item) { |
Event 5:
Skipping " if". ss_mac_address_item evaluates to false.
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| 982 | | | proto_item_append_text(frame_number_item, " (mutually exclusive with SS MAC Address!)"); |
| 983 | | | proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Frame Number!)"); |
| 984 | | | } |
| 985 | | | if (ss_mac_address_item && opportunity_number_item) { |
Event 6:
Skipping " if". ss_mac_address_item evaluates to false.
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| 986 | | | proto_item_append_text(opportunity_number_item, " (mutually exclusive with SS MAC Address!)"); |
| 987 | | | proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Initial Ranging Opportunity Number!)"); |
| 988 | | | } |
| 989 | | | if (!ranging_status_item) |
Event 7:
Taking true branch. ranging_status_item evaluates to false.
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| 990 | | | proto_item_append_text(rng_rsp_tree, " (Ranging status is missing!)"); |
| 991 | | | |
| 992 | | | } |
| 993 | | | } |
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