/* packet-t30.c * Routines for T.30 packet dissection * 2006 Alejandro Vaquero, add T30 reassemble and dissection * * http://www.itu.int/rec/T-REC-T.30-200509-I/en * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include "packet-t38.h" #include "packet-t30.h" void proto_register_t30(void); /* T30 */ static int proto_t30; static int hf_t30_Address; static int hf_t30_Control; static int hf_t30_Facsimile_Control; static int hf_t30_fif_sm; static int hf_t30_fif_rtif; static int hf_t30_fif_3gmn; static int hf_t30_fif_v8c; static int hf_t30_fif_op; static int hf_t30_fif_rtfc; static int hf_t30_fif_rfo; static int hf_t30_fif_dsr; static int hf_t30_fif_dsr_dcs; static int hf_t30_fif_res; static int hf_t30_fif_tdcc; static int hf_t30_fif_rwc; static int hf_t30_fif_rw_dcs; static int hf_t30_fif_rlc; static int hf_t30_fif_rl_dcs; static int hf_t30_fif_msltcr; static int hf_t30_fif_mslt_dcs; static int hf_t30_fif_ext; static int hf_t30_fif_cm; static int hf_t30_fif_ecm; static int hf_t30_fif_fs_dcs; static int hf_t30_fif_t6; static int hf_t30_fif_fvc; static int hf_t30_fif_mspc; static int hf_t30_fif_ps; static int hf_t30_fif_t43; static int hf_t30_fif_pi; static int hf_t30_fif_vc32k; static int hf_t30_fif_r8x15; static int hf_t30_fif_300x300; static int hf_t30_fif_r16x15; static int hf_t30_fif_ibrp; static int hf_t30_fif_mbrp; static int hf_t30_fif_msltchr; static int hf_t30_fif_rts; static int hf_t30_fif_sp; static int hf_t30_fif_sc; static int hf_t30_fif_passw; static int hf_t30_fif_sit; static int hf_t30_fif_rttd; static int hf_t30_fif_bft; static int hf_t30_fif_dtm; static int hf_t30_fif_edi; static int hf_t30_fif_btm; static int hf_t30_fif_rttcmmd; static int hf_t30_fif_chrm; static int hf_t30_fif_mm; static int hf_t30_fif_pm26; static int hf_t30_fif_dnc; static int hf_t30_fif_do; static int hf_t30_fif_jpeg; static int hf_t30_fif_fcm; static int hf_t30_fif_pht; static int hf_t30_fif_12c; static int hf_t30_fif_ns; static int hf_t30_fif_ci; static int hf_t30_fif_cgr; static int hf_t30_fif_nalet; static int hf_t30_fif_naleg; static int hf_t30_fif_spscb; static int hf_t30_fif_spsco; static int hf_t30_fif_hkm; static int hf_t30_fif_rsa; static int hf_t30_fif_oc; static int hf_t30_fif_hfx40; static int hf_t30_fif_acn2c; static int hf_t30_fif_acn3c; static int hf_t30_fif_hfx40i; static int hf_t30_fif_ahsn2; static int hf_t30_fif_ahsn3; static int hf_t30_fif_t441; static int hf_t30_fif_t442; static int hf_t30_fif_t443; static int hf_t30_fif_plmss; static int hf_t30_fif_cg300; static int hf_t30_fif_100x100cg; static int hf_t30_fif_spcbft; static int hf_t30_fif_ebft; static int hf_t30_fif_isp; static int hf_t30_fif_ira; static int hf_t30_fif_600x600; static int hf_t30_fif_1200x1200; static int hf_t30_fif_300x600; static int hf_t30_fif_400x800; static int hf_t30_fif_600x1200; static int hf_t30_fif_cg600x600; static int hf_t30_fif_cg1200x1200; static int hf_t30_fif_dspcam; static int hf_t30_fif_dspccm; static int hf_t30_fif_bwmrcp; static int hf_t30_fif_t45; static int hf_t30_fif_sdmc; static int hf_t30_fif_number; static int hf_t30_fif_country_code; static int hf_t30_fif_non_stand_bytes; static int hf_t30_t4_frame_num; static int hf_t30_t4_data; static int hf_t30_partial_page_fcf2; static int hf_t30_partial_page_i1; static int hf_t30_partial_page_i2; static int hf_t30_partial_page_i3; static int hf_t30_partial_page_request_frame_count; static int hf_t30_partial_page_request_frames; static int ett_t30; static int ett_t30_fif; static expert_field ei_t30_bad_length; static expert_field ei_t30_Address_FF; static expert_field ei_t30_Control_C0C8; static const value_string t30_control_vals[] = { { 0xC0, "non-final frames within the procedure" }, { 0xC8, "final frames within the procedure" }, { 0, NULL } }; // initial identification - format 0000 XXXX #define T30_FC_DIS 0x01 #define T30_FC_CSI 0x02 #define T30_FC_NSF 0x04 // pre-message response signals - format X010 XXXX #define T30_FC_CFR 0x21 #define T30_FC_FTT 0x22 #define T30_FC_CTR 0x23 #define T30_FC_CSA 0x24 // post-message resopnses - format X011 XXXX #define T30_FC_MCF 0x31 #define T30_FC_RTN 0x32 #define T30_FC_RTP 0x33 #define T30_FC_PIN 0x34 #define T30_FC_PIP 0x35 #define T30_FC_PID 0x36 #define T30_FC_RNR 0x37 #define T30_FC_ERR 0x38 #define T30_FC_PPR 0x3D #define T30_FC_FDM 0x3F // command to receive - format X100 XXXX #define T30_FC_DCS 0x41 #define T30_FC_TSI 0x42 #define T30_FC_SUB 0x43 #define T30_FC_NSS 0x44 #define T30_FC_SID 0x45 #define T30_FC_TSA 0x46 #define T30_FC_IRA 0x47 #define T30_FC_CTC 0x48 // other line control signals - format X101 XXXX #define T30_FC_FNV 0x53 #define T30_FC_TR 0x56 #define T30_FC_TNR 0x57 #define T30_FC_CRP 0x58 #define T30_FC_DCN 0x5F // not sure about the format and mask #define T30_FC_FCD 0x60 #define T30_FC_RCP 0x61 // post-message commands - format X111 XXXX #define T30_FC_EOM 0x71 #define T30_FC_MPS 0x72 #define T30_FC_EOR 0x73 #define T30_FC_EOP 0x74 #define T30_FC_RR 0x76 #define T30_FC_PRI_EOP2 0x78 #define T30_FC_PRI_EOM 0x79 #define T30_FC_PRI_MPS 0x7A #define T30_FC_PRI_EOP 0x7C #define T30_FC_PPS 0x7D // Command to send - format 1000 XXXX #define T30_FC_DTC 0x81 #define T30_FC_CIG 0x82 #define T30_FC_PWD 0x83 #define T30_FC_NSC 0x84 #define T30_FC_SEP 0x85 #define T30_FC_PSA 0x86 #define T30_FC_CIA 0x87 #define T30_FC_ISP 0x88 static const value_string t30_facsimile_control_field_vals[] = { /* 0x01 */ { T30_FC_DIS, "Digital Identification Signal" }, /* 0x02 */ { T30_FC_CSI, "Called Subscriber Identification" }, /* 0x04 */ { T30_FC_NSF, "Non-Standard Facilities" }, /* 0x21 */ { T30_FC_CFR, "Confirmation To Receive" }, /* 0x22 */ { T30_FC_FTT, "Failure To Train" }, /* 0x23 */ { T30_FC_CTR, "Response for Continue To Correct" }, /* 0x24 */ { T30_FC_CSA, "Called Subscriber Internet Address" }, /* 0x31 */ { T30_FC_MCF, "Message Confirmation" }, /* 0x32 */ { T30_FC_RTN, "Retrain Negative" }, /* 0x33 */ { T30_FC_RTP, "Retrain Positive" }, /* 0x34 */ { T30_FC_PIN, "Procedure Interrupt Negative" }, /* 0x35 */ { T30_FC_PIP, "Procedure Interrupt Positive" }, /* 0x36 */ { T30_FC_PID, "Procedure Interrupt Disconnect" }, /* 0x37 */ { T30_FC_RNR, "Receive Not Ready" }, /* 0x38 */ { T30_FC_ERR, "Response for End of Retransmission" }, /* 0x3D */ { T30_FC_PPR, "Partial Page Request" }, /* 0x3F */ { T30_FC_FDM, "File Diagnostics Message" }, /* 0x41 */ { T30_FC_DCS, "Digital Command Signal" }, /* 0x42 */ { T30_FC_TSI, "Transmitting Subscriber Identification" }, /* 0x43 */ { T30_FC_SUB, "Subaddress" }, /* 0x44 */ { T30_FC_NSS, "Non-Standard facilities Set-up" }, /* 0x45 */ { T30_FC_SID, "Sender Identification" }, /* 0x46 */ { T30_FC_TSA, "Transmitting Subscriber Internet address" }, /* 0x47 */ { T30_FC_IRA, "Internet Routing Address" }, /* 0x48 */ { T30_FC_CTC, "Continue To Correct" }, /* 0x53 */ { T30_FC_FNV, "Field Not Valid" }, /* 0x56 */ { T30_FC_TR, "Transmit ready" }, /* 0x57 */ { T30_FC_TNR, "Transmit not ready" }, /* 0x58 */ { T30_FC_CRP, "Command Repeat" }, /* 0x5F */ { T30_FC_DCN, "Disconnect" }, /* 0x60 */ { T30_FC_FCD, "Facsimile coded data" }, /* 0x61 */ { T30_FC_RCP, "Return to control for partial page" }, /* 0x71 */ { T30_FC_EOM, "End Of Message" }, /* 0x72 */ { T30_FC_MPS, "MultiPage Signal" }, /* 0x73 */ { T30_FC_EOR, "End Of Retransmission" }, /* 0x74 */ { T30_FC_EOP, "End Of Procedure" }, /* 0x76 */ { T30_FC_RR, "Receive Ready" }, /* 0x78 */ { T30_FC_PRI_EOP2, "Procedure Interrupt-End Of Procedure" }, /* 0x79 */ { T30_FC_PRI_EOM, "Procedure Interrupt-End Of Message" }, /* 0x7A */ { T30_FC_PRI_MPS, "Procedure Interrupt-MultiPage Signal" }, /* 0x7C */ { T30_FC_PRI_EOP, "Procedure Interrupt-End Of Procedure" }, /* 0x7D */ { T30_FC_PPS, "Partial Page Signal" }, /* 0x81 */ { T30_FC_DTC, "Digital Transmit Command" }, /* 0x82 */ { T30_FC_CIG, "Calling Subscriber Identification" }, /* 0x83 */ { T30_FC_PWD, "Password" }, /* 0x84 */ { T30_FC_NSC, "Non-Standard facilities Command" }, /* 0x85 */ { T30_FC_SEP, "Selective Polling" }, /* 0x86 */ { T30_FC_PSA, "Polled Subaddress" }, /* 0x87 */ { T30_FC_CIA, "Calling subscriber Internet Address" }, /* 0x88 */ { T30_FC_ISP, "Internet Selective Polling Address" }, { 0, NULL } }; value_string_ext t30_facsimile_control_field_vals_ext = VALUE_STRING_EXT_INIT(t30_facsimile_control_field_vals); static const value_string t30_facsimile_control_field_vals_short[] = { /* 0x01 */ { T30_FC_DIS, "DIS" }, /* 0x02 */ { T30_FC_CSI, "CSI" }, /* 0x04 */ { T30_FC_NSF, "NSF" }, /* 0x21 */ { T30_FC_CFR, "CFR" }, /* 0x22 */ { T30_FC_FTT, "FTT" }, /* 0x23 */ { T30_FC_CTR, "CTR" }, /* 0x24 */ { T30_FC_CSA, "CSA" }, /* 0x31 */ { T30_FC_MCF, "MCF" }, /* 0x32 */ { T30_FC_RTN, "RTN" }, /* 0x33 */ { T30_FC_RTP, "RTP" }, /* 0x34 */ { T30_FC_PIN, "PIN" }, /* 0x35 */ { T30_FC_PIP, "PIP" }, /* 0x36 */ { T30_FC_PID, "PID" }, /* 0x37 */ { T30_FC_RNR, "RNR" }, /* 0x38 */ { T30_FC_ERR, "ERR" }, /* 0x3D */ { T30_FC_PPR, "PPR" }, /* 0x3F */ { T30_FC_FDM, "FDM" }, /* 0x41 */ { T30_FC_DCS, "DCS" }, /* 0x42 */ { T30_FC_TSI, "TSI" }, /* 0x43 */ { T30_FC_SUB, "SUB" }, /* 0x44 */ { T30_FC_NSS, "NSS" }, /* 0x45 */ { T30_FC_SID, "SID" }, /* 0x46 */ { T30_FC_TSA, "TSA" }, /* 0x47 */ { T30_FC_IRA, "IRA" }, /* 0x48 */ { T30_FC_CTC, "CTC" }, /* 0x53 */ { T30_FC_FNV, "FNV" }, /* 0x56 */ { T30_FC_TR, "TR" }, /* 0x57 */ { T30_FC_TNR, "TNR" }, /* 0x58 */ { T30_FC_CRP, "CRP" }, /* 0x5F */ { T30_FC_DCN, "DCN" }, /* 0x60 */ { T30_FC_FCD, "FCD" }, /* 0x61 */ { T30_FC_RCP, "RCP" }, /* 0x71 */ { T30_FC_EOM, "EOM" }, /* 0x72 */ { T30_FC_MPS, "MPS" }, /* 0x73 */ { T30_FC_EOR, "EOR" }, /* 0x74 */ { T30_FC_EOP, "EOP" }, /* 0x76 */ { T30_FC_RR, "RR" }, /* 0x78 */ { T30_FC_PRI_EOP2, "EOP2" }, /* 0x79 */ { T30_FC_PRI_EOM, "PRI_EOM" }, /* 0x7A */ { T30_FC_PRI_MPS, "PRI_MPS" }, /* 0x7C */ { T30_FC_PRI_EOP, "EOP" }, /* 0x7D */ { T30_FC_PPS, "PPS" }, /* 0x81 */ { T30_FC_DTC, "DTC" }, /* 0x82 */ { T30_FC_CIG, "CIG" }, /* 0x83 */ { T30_FC_PWD, "PWD" }, /* 0x84 */ { T30_FC_NSC, "NSC" }, /* 0x85 */ { T30_FC_SEP, "SEP" }, /* 0x86 */ { T30_FC_PSA, "PSA" }, /* 0x87 */ { T30_FC_CIA, "CIA" }, /* 0x88 */ { T30_FC_ISP, "ISP" }, { 0, NULL } }; value_string_ext t30_facsimile_control_field_vals_short_ext = VALUE_STRING_EXT_INIT(t30_facsimile_control_field_vals_short); static const value_string t30_data_signalling_rate_vals[] = { { 0x00, "ITU-T V.27 ter fall-back mode" }, { 0x01, "Not used" }, { 0x02, "Not used" }, { 0x03, "Not used" }, { 0x04, "ITU-T V.27 ter" }, { 0x05, "Reserved" }, { 0x06, "Reserved" }, { 0x07, "Reserved" }, { 0x08, "ITU-T V.29" }, { 0x09, "Not used" }, { 0x0A, "Not used" }, { 0x0B, "Not used" }, { 0x0C, "ITU-T V.27 ter and V.29" }, { 0x0D, "ITU-T V.27 ter, V.29, and V.17" }, { 0x0E, "Invalid" }, { 0x0F, "Reserved" }, { 0, NULL } }; static value_string_ext t30_data_signalling_rate_vals_ext = VALUE_STRING_EXT_INIT(t30_data_signalling_rate_vals); static const value_string t30_data_signalling_rate_dcs_vals[] = { { 0x00, "2400 bit/s, ITU-T V.27 ter" }, { 0x01, "14 400 bit/s, ITU-T V.17" }, { 0x02, "Invalid" }, { 0x03, "Reserved" }, { 0x04, "4800 bit/s, ITU-T V.27 ter" }, { 0x05, "12 000 bit/s, ITU-T V.17" }, { 0x06, "Invalid" }, { 0x07, "Reserved" }, { 0x08, "9600 bit/s, ITU-T V.29" }, { 0x09, "9600 bit/s, ITU-T V.17" }, { 0x0A, "Reserved" }, { 0x0B, "Reserved" }, { 0x0C, "7200 bit/s, ITU-T V.29" }, { 0x0D, "7200 bit/s, ITU-T V.17" }, { 0x0E, "Reserved" }, { 0x0F, "Reserved" }, { 0, NULL } }; static value_string_ext t30_data_signalling_rate_dcs_vals_ext = VALUE_STRING_EXT_INIT(t30_data_signalling_rate_dcs_vals); static const value_string t30_recording_width_capabilities_vals[] = { { 0x00, "Scan line length 215 mm +- 1%" }, { 0x01, "Scan line length 215 mm +- 1% and Scan line length 255 mm +- 1% and Scan line length 303 mm +- 1%" }, { 0x02, "Scan line length 215 mm +- 1% and Scan line length 255 mm +- 1%" }, { 0x03, "Invalid" }, { 0, NULL } }; static const value_string t30_recording_width_dcs_vals[] = { { 0x00, "Scan line length 215 mm +- 1%" }, { 0x01, "Scan line length 303 mm +- 1%" }, { 0x02, "Scan line length 255 mm +- 1%" }, { 0x03, "Invalid" }, { 0, NULL } }; static const value_string t30_recording_length_capability_vals[] = { { 0x00, "A4 (297 mm)" }, { 0x01, "Unlimited" }, { 0x02, "A4 (297 mm) and B4 (364 mm)" }, { 0x03, "Invalid" }, { 0, NULL } }; static const value_string t30_recording_length_dcs_vals[] = { { 0x00, "A4 (297 mm)" }, { 0x01, "Unlimited" }, { 0x02, "B4 (364 mm)" }, { 0x03, "Invalid" }, { 0, NULL } }; static const value_string t30_minimum_scan_line_time_rec_vals[] = { { 0x00, "20 ms at 3.85 l/mm: T7.7 = T3.85" }, { 0x01, "40 ms at 3.85 l/mm: T7.7 = T3.85" }, { 0x02, "10 ms at 3.85 l/mm: T7.7 = T3.85" }, { 0x04, "05 ms at 3.85 l/mm: T7.7 = T3.85" }, { 0x03, "10 ms at 3.85 l/mm: T7.7 = 1/2 T3.85" }, { 0x06, "20 ms at 3.85 l/mm: T7.7 = 1/2 T3.85" }, { 0x05, "40 ms at 3.85 l/mm: T7.7 = 1/2 T3.85" }, { 0x07, "00 ms at 3.85 l/mm: T7.7 = T3.85" }, { 0, NULL } }; static const value_string t30_partial_page_fcf2_vals[] = { { 0x00, "NULL code which indicates the partial page boundary" }, { 0xF1, "EOM in optional T.4 error correction mode" }, { 0xF2, "MPS in optional T.4 error correction mode" }, { 0xF4, "EOP in optional T.4 error correction mode" }, { 0xF8, "EOS in optional T.4 error correction mode" }, { 0xF9, "PRI-EOM in optional T.4 error correction mode" }, { 0xFA, "PRI-MPS in optional T.4 error correction mode" }, { 0xFC, "PRI-EOP in optional T.4 error correction mode" }, { 0, NULL } }; static const value_string t30_minimum_scan_line_time_dcs_vals[] = { { 0x00, "20 ms" }, { 0x01, "40 ms" }, { 0x02, "10 ms" }, { 0x04, "05 ms" }, { 0x07, "00 ms" }, { 0, NULL } }; static const value_string t30_SharedDataMemory_capacity_vals[] = { { 0x00, "Not available" }, { 0x01, "Level 1 = 1.0 Mbytes" }, { 0x02, "Level 2 = 2.0 Mbytes" }, { 0x03, "Level 3 = unlimited (i.e. >= 32 Mbytes)" }, { 0, NULL } }; static const true_false_string t30_octets_preferred_value = { "64 octets preferred", "256 octets preferred", }; static const true_false_string t30_extension_ind_value = { "information continues through the next octet", "last octet", }; static const true_false_string t30_compress_value = { "Uncompressed mode", "Compressed mode", }; static const true_false_string t30_minimum_scan_value = { "T15.4 = 1/2 T7.7", "T15.4 = T7.7", }; static const true_false_string t30_duplex_operation_value = { "Duplex and half duplex operation", "Half duplex operation only", }; static const true_false_string t30_frame_size_dcs_value = { "64 octets", "256 octets", }; static const true_false_string t30_res_type_sel_value = { "inch based resolution", "metric based resolution", }; static uint8_t reverse_byte(uint8_t val) { return ( ((val & 0x80)>>7) | ((val & 0x40)>>5) | ((val & 0x20)>>3) | ((val & 0x10)>>1) | ((val & 0x08)<<1) | ((val & 0x04)<<3) | ((val & 0x02)<<5) | ((val & 0x01)<<7) ); } #define LENGTH_T30_NUM 20 static char * t30_get_string_numbers(wmem_allocator_t *pool, tvbuff_t *tvb, int offset, int len) { char buf[LENGTH_T30_NUM+1]; int i; /* the length must be 20 bytes per T30 rec*/ if (len != LENGTH_T30_NUM) return NULL; for (i=0; ipool, tvb, offset, len); if (str_num) { proto_tree_add_string(tree, hf_t30_fif_number, tvb, offset, LENGTH_T30_NUM, str_num); col_append_fstr(pinfo->cinfo, COL_INFO, " - Number:%s", str_num); if (t38) snprintf(t38->desc, MAX_T38_DESC, "Num: %s", str_num); } else { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, -1, "MALFORMED OR SHORT PACKET: number of digits must be 20"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET: number of digits must be 20]" ); } } static void dissect_t30_facsimile_coded_data(tvbuff_t *tvb, int offset, packet_info *pinfo, int len, proto_tree *tree, t38_packet_info* t38) { uint8_t octet; if (len < 2) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset), "T30 FCD length must be at least 2 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET]"); return; } octet = tvb_get_uint8(tvb, offset); proto_tree_add_uint(tree, hf_t30_t4_frame_num, tvb, offset, 1, reverse_byte(octet)); offset++; col_append_fstr(pinfo->cinfo, COL_INFO, " - Frame num:%d", reverse_byte(octet)); if (t38) snprintf(t38->desc, MAX_T38_DESC, "Frm num: %d", reverse_byte(octet)); proto_tree_add_item(tree, hf_t30_t4_data, tvb, offset, len-1, ENC_NA); } static void dissect_t30_non_standard_cap(tvbuff_t *tvb, int offset, packet_info *pinfo, int len, proto_tree *tree) { if (len < 2) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset),"T30 NSC length must be at least 2 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET]"); return; } proto_tree_add_item(tree, hf_t30_fif_country_code, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(tree, hf_t30_fif_non_stand_bytes, tvb, offset, len-1, ENC_NA); } static void dissect_t30_partial_page_signal(tvbuff_t *tvb, int offset, packet_info *pinfo, int len, proto_tree *tree, t38_packet_info* t38) { uint8_t octet, page_count, block_count, frame_count; if (len != 4) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset), "T30 PPS length must be 4 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET]"); return; } proto_tree_add_item(tree, hf_t30_partial_page_fcf2, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; octet = tvb_get_uint8(tvb, offset); page_count = reverse_byte(octet); proto_tree_add_uint(tree, hf_t30_partial_page_i1, tvb, offset, 1, page_count); offset++; octet = tvb_get_uint8(tvb, offset); block_count = reverse_byte(octet); proto_tree_add_uint(tree, hf_t30_partial_page_i2, tvb, offset, 1, block_count); offset++; octet = tvb_get_uint8(tvb, offset); frame_count = reverse_byte(octet); proto_tree_add_uint(tree, hf_t30_partial_page_i3, tvb, offset, 1, frame_count); offset++; col_append_fstr(pinfo->cinfo, COL_INFO, " - PC:%d BC:%d FC:%d", page_count, block_count, frame_count); if (t38) snprintf(t38->desc, MAX_T38_DESC, "PC:%d BC:%d FC:%d", page_count, block_count, frame_count); } static void dissect_t30_partial_page_request(tvbuff_t *tvb, int offset, packet_info *pinfo, int len, proto_tree *tree) { int start_offset; int frame_count = 0; int frame; #define BUF_SIZE (10*1 + 90*2 + 156*3 + 256*2 + 1) /* 0..9 + 10..99 + 100..255 + 256*', ' + \0 */ char *buf = (char *)wmem_alloc(pinfo->pool, BUF_SIZE); char *buf_top = buf; if (len != 32) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset), "T30 PPR length must be 32 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET]"); return; } start_offset = offset; for (frame=0; frame < 255; ) { uint8_t octet = tvb_get_uint8(tvb, offset); uint8_t bit = 1<<7; for (;bit;) { if (octet & bit) { ++frame_count; DISSECTOR_ASSERT((buf_top-buf) < BUF_SIZE); buf_top += snprintf(buf_top, BUF_SIZE - (buf_top - buf), "%u, ", frame); } bit >>= 1; ++frame; } ++offset; } proto_tree_add_uint(tree, hf_t30_partial_page_request_frame_count, tvb, offset, 1, frame_count); if (buf_top > buf+1) { buf_top[-2] = '\0'; proto_tree_add_string_format_value(tree, hf_t30_partial_page_request_frames, tvb, start_offset, offset - start_offset, buf, "%s", buf); } col_append_fstr(pinfo->cinfo, COL_INFO, " - %d frames", frame_count); } static void dissect_t30_dis_dtc(tvbuff_t *tvb, int offset, packet_info *pinfo, int len, proto_tree *tree, bool dis_dtc, t38_packet_info* t38) { uint8_t octet; if (len < 3) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset), "T30 DIS length must be at least 4 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " [MALFORMED OR SHORT PACKET]"); return; } /* bits 1 to 8 */ proto_tree_add_item(tree, hf_t30_fif_sm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_rtif, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_3gmn, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_v8c, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_op, tvb, offset, 1, ENC_NA); } /* bits 9 to 16 */ offset += 1; octet = tvb_get_uint8(tvb, offset); if (dis_dtc) proto_tree_add_item(tree, hf_t30_fif_rtfc, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_rfo, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_dsr, tvb, offset, 1, ENC_BIG_ENDIAN); col_append_fstr(pinfo->cinfo, COL_INFO, " - DSR:%s", val_to_str_ext_const((octet&0x3C) >> 2, &t30_data_signalling_rate_vals_ext, "")); if (t38) snprintf(t38->desc, MAX_T38_DESC, "DSR:%s", val_to_str_ext_const((octet&0x3C) >> 2, &t30_data_signalling_rate_vals_ext, "")); } else { proto_tree_add_item(tree, hf_t30_fif_dsr_dcs, tvb, offset, 1, ENC_BIG_ENDIAN); col_append_fstr(pinfo->cinfo, COL_INFO, " - DSR:%s", val_to_str_ext_const((octet&0x3C) >> 2, &t30_data_signalling_rate_dcs_vals_ext, "")); if (t38) snprintf(t38->desc, MAX_T38_DESC, "DSR:%s", val_to_str_ext_const((octet&0x3C) >> 2, &t30_data_signalling_rate_dcs_vals_ext, "")); } proto_tree_add_item(tree, hf_t30_fif_res, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_tdcc, tvb, offset, 1, ENC_NA); /* bits 17 to 24 */ offset += 1; octet = tvb_get_uint8(tvb, offset); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_rwc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_t30_fif_rlc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_t30_fif_msltcr, tvb, offset, 1, ENC_BIG_ENDIAN); } else { proto_tree_add_item(tree, hf_t30_fif_rw_dcs, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_t30_fif_rl_dcs, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_t30_fif_mslt_dcs, tvb, offset, 1, ENC_BIG_ENDIAN); } proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 4) ) return; /* no extension */ /* bits 25 to 32 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_cm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ecm, tvb, offset, 1, ENC_NA); if (!dis_dtc) proto_tree_add_item(tree, hf_t30_fif_fs_dcs, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_t6, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 5) ) return; /* no extension */ /* bits 33 to 40 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_fvc, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_mspc, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ps, tvb, offset, 1, ENC_NA); } proto_tree_add_item(tree, hf_t30_fif_t43, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_pi, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_vc32k, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 6) ) return; /* no extension */ /* bits 41 to 48 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_r8x15, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_300x300, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_r16x15, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_ibrp, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_mbrp, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_msltchr, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_sp, tvb, offset, 1, ENC_NA); } else { proto_tree_add_item(tree, hf_t30_fif_rts, tvb, offset, 1, ENC_NA); } proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 7) ) return; /* no extension */ /* bits 49 to 56 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_sc, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_passw, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_rttd, tvb, offset, 1, ENC_NA); } else { proto_tree_add_item(tree, hf_t30_fif_sit, tvb, offset, 1, ENC_NA); } proto_tree_add_item(tree, hf_t30_fif_bft, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_dtm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_edi, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 8) ) return; /* no extension */ /* bits 57 to 64 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_btm, tvb, offset, 1, ENC_NA); if (dis_dtc) proto_tree_add_item(tree, hf_t30_fif_rttcmmd, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_chrm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_mm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 9) ) return; /* no extension */ /* bits 65 to 72 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_pm26, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_dnc, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_do, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_jpeg, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_fcm, tvb, offset, 1, ENC_NA); if (!dis_dtc) proto_tree_add_item(tree, hf_t30_fif_pht, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_12c, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 10) ) return; /* no extension */ /* bits 73 to 80 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_ns, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ci, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_cgr, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_nalet, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_naleg, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_spscb, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_spsco, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 11) ) return; /* no extension */ /* bits 81 to 88 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_hkm, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_rsa, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_oc, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_hfx40, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_acn2c, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_acn3c, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_hfx40i, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 12) ) return; /* no extension */ /* bits 89 to 96 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_ahsn2, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ahsn3, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_t441, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_t442, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_t443, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_plmss, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 13) ) return; /* no extension */ /* bits 97 to 104 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_cg300, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_100x100cg, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_spcbft, tvb, offset, 1, ENC_NA); if (dis_dtc) { proto_tree_add_item(tree, hf_t30_fif_ebft, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_isp, tvb, offset, 1, ENC_NA); } proto_tree_add_item(tree, hf_t30_fif_ira, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 14) ) return; /* no extension */ /* bits 105 to 112 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_600x600, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_1200x1200, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_300x600, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_400x800, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_600x1200, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_cg600x600, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_cg1200x1200, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) || (len < 15) ) return; /* no extension */ /* bits 113 to 120 */ offset += 1; octet = tvb_get_uint8(tvb, offset); proto_tree_add_item(tree, hf_t30_fif_dspcam, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_dspccm, tvb, offset, 1, ENC_NA); if (dis_dtc) proto_tree_add_item(tree, hf_t30_fif_bwmrcp, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_t45, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_t30_fif_sdmc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_t30_fif_ext, tvb, offset, 1, ENC_NA); if ( !(octet & 0x01) ) return; /* no extension */ } static int dissect_t30_hdlc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; proto_item *it; proto_tree *tr; proto_tree *tr_fif; proto_item *it_fcf; uint8_t octet; uint32_t frag_len; proto_item *item; t38_packet_info *t38 = (t38_packet_info*)data; if (tvb_reported_length_remaining(tvb, offset) < 3) { proto_tree_add_expert_format(tree, pinfo, &ei_t30_bad_length, tvb, offset, tvb_reported_length_remaining(tvb, offset), "T30 length must be at least 4 bytes"); col_append_str(pinfo->cinfo, COL_INFO, " (HDLC Reassembled: [MALFORMED OR SHORT PACKET])"); return offset; } col_append_str(pinfo->cinfo, COL_INFO, " (HDLC Reassembled:"); it=proto_tree_add_protocol_format(tree, proto_t30, tvb, offset, -1, "ITU-T Recommendation T.30"); tr=proto_item_add_subtree(it, ett_t30); octet = tvb_get_uint8(tvb, offset); item = proto_tree_add_item(tr, hf_t30_Address, tvb, offset, 1, ENC_BIG_ENDIAN); if (octet != 0xFF) expert_add_info(pinfo, item, &ei_t30_Address_FF); offset += 1; octet = tvb_get_uint8(tvb, offset); item = proto_tree_add_item(tr, hf_t30_Control, tvb, offset, 1, ENC_BIG_ENDIAN); if ((octet != 0xC0) && (octet != 0xC8)) expert_add_info(pinfo, item, &ei_t30_Control_C0C8); offset += 1; octet = tvb_get_uint8(tvb, offset); it_fcf = proto_tree_add_item(tr, hf_t30_Facsimile_Control, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; tr_fif = proto_item_add_subtree(it_fcf, ett_t30_fif); frag_len = tvb_reported_length_remaining(tvb, offset); if (t38) t38->t30_Facsimile_Control = octet; col_append_fstr(pinfo->cinfo, COL_INFO, " %s - %s", val_to_str_ext_const(octet & 0x7F, &t30_facsimile_control_field_vals_short_ext, ""), val_to_str_ext_const(octet & 0x7F, &t30_facsimile_control_field_vals_ext, "") ); /* The T.30 spec has three groups of codes: 0000 XXXX, 1000 XXXX and X....... bitmask here. */ switch (octet) { case T30_FC_DTC: dissect_t30_dis_dtc(tvb, offset, pinfo, frag_len, tr_fif, true, t38); break; case T30_FC_CIG: case T30_FC_PWD: case T30_FC_SEP: case T30_FC_PSA: dissect_t30_numbers(tvb, offset, pinfo, frag_len, tr_fif, t38); break; case T30_FC_NSC: dissect_t30_non_standard_cap(tvb, offset, pinfo, frag_len, tr_fif); break; default: switch (octet & 0x7F) { case T30_FC_DIS: dissect_t30_dis_dtc(tvb, offset, pinfo, frag_len, tr_fif, true, t38); break; case T30_FC_DCS: dissect_t30_dis_dtc(tvb, offset, pinfo, frag_len, tr_fif, false, t38); break; case T30_FC_CSI: case T30_FC_TSI: case T30_FC_SUB: case T30_FC_SID: dissect_t30_numbers(tvb, offset, pinfo, frag_len, tr_fif, t38); break; case T30_FC_NSF: case T30_FC_NSS: dissect_t30_non_standard_cap(tvb, offset, pinfo, frag_len, tr_fif); break; case T30_FC_FCD: dissect_t30_facsimile_coded_data(tvb, offset, pinfo, frag_len, tr_fif, t38); break; case T30_FC_PPS: dissect_t30_partial_page_signal(tvb, offset, pinfo, frag_len, tr_fif, t38); break; case T30_FC_PPR: dissect_t30_partial_page_request(tvb, offset, pinfo, frag_len, tr_fif); break; } } col_append_str(pinfo->cinfo, COL_INFO, ")"); return offset; } /* Wireshark Protocol Registration */ void proto_register_t30(void) { static hf_register_info hf_t30[] = { { &hf_t30_Address, { "Address", "t30.Address", FT_UINT8, BASE_HEX, NULL, 0, "Address Field", HFILL }}, { &hf_t30_Control, { "Control", "t30.Control", FT_UINT8, BASE_HEX, VALS(t30_control_vals), 0, "Control Field", HFILL }}, { &hf_t30_Facsimile_Control, { "Facsimile Control", "t30.FacsimileControl", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &t30_facsimile_control_field_vals_ext, 0x7F, NULL, HFILL }}, { &hf_t30_fif_sm, { "Store and forward Internet fax- Simple mode (ITU-T T.37)", "t30.fif.sm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_rtif, { "Real-time Internet fax (ITU T T.38)", "t30.fif.rtif", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_3gmn, { "3rd Generation Mobile Network", "t30.fif.3gmn", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_v8c, { "V.8 capabilities", "t30.fif.v8c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_op, { "Octets preferred", "t30.fif.op", FT_BOOLEAN, 8, TFS(&t30_octets_preferred_value), 0x02, NULL, HFILL }}, { &hf_t30_fif_rtfc, { "Ready to transmit a facsimile document (polling)", "t30.fif.rtfc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_rfo, { "Receiver fax operation", "t30.fif.rfo", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_dsr, { "Data signalling rate", "t30.fif.dsr", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &t30_data_signalling_rate_vals_ext, 0x3C, NULL, HFILL }}, { &hf_t30_fif_dsr_dcs, { "Data signalling rate", "t30.fif.dsr_dcs", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &t30_data_signalling_rate_dcs_vals_ext, 0x3C, NULL, HFILL }}, { &hf_t30_fif_res, { "R8x7.7 lines/mm and/or 200x200 pels/25.4 mm", "t30.fif.res", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_tdcc, { "Two dimensional coding capability", "t30.fif.tdcc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, NULL, HFILL }}, { &hf_t30_fif_rwc, { "Recording width capabilities", "t30.fif.rwc", FT_UINT8, BASE_HEX, VALS(t30_recording_width_capabilities_vals), 0xC0, NULL, HFILL }}, { &hf_t30_fif_rw_dcs, { "Recording width", "t30.fif.rw_dcs", FT_UINT8, BASE_HEX, VALS(t30_recording_width_dcs_vals), 0xC0, NULL, HFILL }}, { &hf_t30_fif_rlc, { "Recording length capability", "t30.fif.rlc", FT_UINT8, BASE_HEX, VALS(t30_recording_length_capability_vals), 0x30, NULL, HFILL }}, { &hf_t30_fif_rl_dcs, { "Recording length capability", "t30.fif.rl_dcs", FT_UINT8, BASE_HEX, VALS(t30_recording_length_dcs_vals), 0x30, NULL, HFILL }}, { &hf_t30_fif_msltcr, { "Minimum scan line time capability at the receiver", "t30.fif.msltcr", FT_UINT8, BASE_HEX, VALS(t30_minimum_scan_line_time_rec_vals), 0x0E, NULL, HFILL }}, { &hf_t30_fif_mslt_dcs, { "Minimum scan line time", "t30.fif.mslt_dcs", FT_UINT8, BASE_HEX, VALS(t30_minimum_scan_line_time_dcs_vals), 0x0E, NULL, HFILL }}, { &hf_t30_fif_ext, { "Extension indicator", "t30.fif.ext", FT_BOOLEAN, 8, TFS(&t30_extension_ind_value), 0x01, NULL, HFILL }}, { &hf_t30_fif_cm, { "Compress/Uncompress mode", "t30.fif.cm", FT_BOOLEAN, 8, TFS(&t30_compress_value), 0x40, NULL, HFILL }}, { &hf_t30_fif_ecm, { "Error correction mode", "t30.fif.ecm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_fs_dcs, { "Frame size", "t30.fif.fs_dcm", FT_BOOLEAN, 8, TFS(&t30_frame_size_dcs_value), 0x10, NULL, HFILL }}, { &hf_t30_fif_t6, { "T.6 coding capability", "t30.fif.t6", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_fvc, { "Field valid capability", "t30.fif.fvc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_mspc, { "Multiple selective polling capability", "t30.fif.mspc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_ps, { "Polled Subaddress", "t30.fif.ps", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_t43, { "T.43 coding", "t30.fif.t43", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_pi, { "Plane interleave", "t30.fif.pi", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_vc32k, { "Voice coding with 32k ADPCM (ITU T G.726)", "t30.fif.vc32k", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_r8x15, { "R8x15.4 lines/mm", "t30.fif.r8x15", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_300x300, { "300x300 pels/25.4 mm", "t30.fif.300x300", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_r16x15, { "R16x15.4 lines/mm and/or 400x400 pels/25.4 mm", "t30.fif.r16x15", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_ibrp, { "Inch based resolution preferred", "t30.fif.ibrp", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_mbrp, { "Metric based resolution preferred", "t30.fif.mbrp", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_msltchr, { "Minimum scan line time capability for higher resolutions", "t30.fif.msltchr", FT_BOOLEAN, 8, TFS(&t30_minimum_scan_value), 0x04, NULL, HFILL }}, { &hf_t30_fif_rts, { "Resolution type selection", "t30.fif.rts", FT_BOOLEAN, 8, TFS(&t30_res_type_sel_value), 0x10, NULL, HFILL }}, { &hf_t30_fif_sp, { "Selective polling", "t30.fif.sp", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_sc, { "Subaddressing capability", "t30.fif.sc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_passw, { "Password", "t30.fif.passw", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_sit, { "Sender Identification transmission", "t30.fif.sit", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_rttd, { "Ready to transmit a data file (polling)", "t30.fif.rttd", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_bft, { "Binary File Transfer (BFT)", "t30.fif.bft", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_dtm, { "Document Transfer Mode (DTM)", "t30.fif.dtm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_edi, { "Electronic Data Interchange (EDI)", "t30.fif.edi", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_btm, { "Basic Transfer Mode (BTM)", "t30.fif.btm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_rttcmmd, { "Ready to transmit a character or mixed mode document (polling)", "t30.fif.rttcmmd", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_chrm, { "Character mode", "t30.fif.chrm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_mm, { "Mixed mode (Annex E/T.4)", "t30.fif.mm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_pm26, { "Processable mode 26 (ITU T T.505)", "t30.fif.pm26", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_dnc, { "Digital network capability", "t30.fif.dnc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_do, { "Duplex operation", "t30.fif.do", FT_BOOLEAN, 8, TFS(&t30_duplex_operation_value), 0x20, NULL, HFILL }}, { &hf_t30_fif_jpeg, { "JPEG coding", "t30.fif.jpeg", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_fcm, { "Full colour mode", "t30.fif.fcm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_pht, { "Preferred Huffman tables", "t30.fif.pht", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_12c, { "12 bits/pel component", "t30.fif.12c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_ns, { "No subsampling (1:1:1)", "t30.fif.ns", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_ci, { "Custom illuminant", "t30.fif.ci", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_cgr, { "Custom gamut range", "t30.fif.cgr", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_nalet, { "North American Letter (215.9 x 279.4 mm) capability", "t30.fif.nalet", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_naleg, { "North American Legal (215.9 x 355.6 mm) capability", "t30.fif.naleg", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_spscb, { "Single-progression sequential coding (ITU-T T.85) basic capability", "t30.fif.spscb", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_spsco, { "Single-progression sequential coding (ITU-T T.85) optional L0 capability", "t30.fif.spsco", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_hkm, { "HKM key management capability", "t30.fif.hkm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_rsa, { "RSA key management capability", "t30.fif.rsa", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_oc, { "Override capability", "t30.fif.oc", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_hfx40, { "HFX40 cipher capability", "t30.fif.hfx40", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_acn2c, { "Alternative cipher number 2 capability", "t30.fif.acn2c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_acn3c, { "Alternative cipher number 3 capability", "t30.fif.acn3c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_hfx40i, { "HFX40-I hashing capability", "t30.fif.hfx40i", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_ahsn2, { "Alternative hashing system number 2 capability", "t30.fif.ahsn2", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_ahsn3, { "Alternative hashing system number 3 capability", "t30.fif.ahsn3", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_t441, { "T.44 (Mixed Raster Content)", "t30.fif.t441", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_t442, { "T.44 (Mixed Raster Content)", "t30.fif.t442", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_t443, { "T.44 (Mixed Raster Content)", "t30.fif.t443", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_plmss, { "Page length maximum strip size for T.44 (Mixed Raster Content)", "t30.fif.plmss", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_cg300, { "Colour/gray-scale 300 pels/25.4 mm x 300 lines/25.4 mm or 400 pels/25.4 mm x 400 lines/25.4 mm resolution", "t30.fif.cg300", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_100x100cg, { "100 pels/25.4 mm x 100 lines/25.4 mm for colour/gray scale", "t30.fif.100x100cg", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_spcbft, { "Simple Phase C BFT Negotiations capability", "t30.fif.spcbft", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_ebft, { "Extended BFT Negotiations capability", "t30.fif.ebft", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_isp, { "Internet Selective Polling Address (ISP)", "t30.fif.isp", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_ira, { "Internet Routing Address (IRA)", "t30.fif.ira", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_600x600, { "600 pels/25.4 mm x 600 lines/25.4 mm", "t30.fif.600x600", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_1200x1200, { "1200 pels/25.4 mm x 1200 lines/25.4 mm", "t30.fif.1200x1200", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_300x600, { "300 pels/25.4 mm x 600 lines/25.4 mm", "t30.fif.300x600", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_400x800, { "400 pels/25.4 mm x 800 lines/25.4 mm", "t30.fif.400x800", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_600x1200, { "600 pels/25.4 mm x 1200 lines/25.4 mm", "t30.fif.600x1200", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_t30_fif_cg600x600, { "Colour/gray scale 600 pels/25.4 mm x 600 lines/25.4 mm resolution", "t30.fif.cg600x600", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_t30_fif_cg1200x1200, { "Colour/gray scale 1200 pels/25.4 mm x 1200 lines/25.4 mm resolution", "t30.fif.cg1200x1200", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_t30_fif_dspcam, { "Double sided printing capability (alternate mode)", "t30.fif.dspcam", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, NULL, HFILL }}, { &hf_t30_fif_dspccm, { "Double sided printing capability (continuous mode)", "t30.fif.dspccm", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, NULL, HFILL }}, { &hf_t30_fif_bwmrcp, { "Black and white mixed raster content profile (MRCbw)", "t30.fif.bwmrcp", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, NULL, HFILL }}, { &hf_t30_fif_t45, { "T.45 (run length colour encoding)", "t30.fif.t45", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, NULL, HFILL }}, { &hf_t30_fif_sdmc, { "SharedDataMemory capacity", "t30.fif.sdmc", FT_UINT8, BASE_HEX, VALS(t30_SharedDataMemory_capacity_vals), 0x0C, NULL, HFILL }}, { &hf_t30_fif_number, { "Number", "t30.fif.number", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_t30_fif_country_code, { "ITU-T Country code", "t30.fif.country_code", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_fif_non_stand_bytes, { "Non-standard capabilities", "t30.fif.non_standard_cap", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_t30_t4_frame_num, { "T.4 Frame number", "t30.t4.frame_num", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_t4_data, { "T.4 Facsimile data field", "t30.t4.data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_t30_partial_page_fcf2, { "Post-message command", "t30.pps.fcf2", FT_UINT8, BASE_DEC, VALS(t30_partial_page_fcf2_vals), 0, NULL, HFILL }}, { &hf_t30_partial_page_i1, { "Page counter", "t30.t4.page_count", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_partial_page_i2, { "Block counter", "t30.t4.block_count", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_partial_page_i3, { "Frame counter", "t30.t4.frame_count", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_partial_page_request_frame_count, { "Frame counter", "t30.ppr.frame_count", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_t30_partial_page_request_frames, { "Frames", "t30.ppr.frames", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, }; static int *t30_ett[] = { &ett_t30, &ett_t30_fif, }; static ei_register_info ei[] = { { &ei_t30_bad_length, { "t30.bad_length", PI_MALFORMED, PI_ERROR, "Bad length", EXPFILL }}, { &ei_t30_Address_FF, { "t30.Address.FF", PI_REASSEMBLE, PI_WARN, "T30 Address must be 0xFF", EXPFILL }}, { &ei_t30_Control_C0C8, { "t30.Control.C0C8", PI_REASSEMBLE, PI_WARN, "T30 Control Field must be 0xC0 or 0xC8", EXPFILL }}, }; expert_module_t* expert_t30; /* T30 */ proto_t30 = proto_register_protocol("T.30", "T.30", "t30"); proto_register_field_array(proto_t30, hf_t30, array_length(hf_t30)); proto_register_subtree_array(t30_ett, array_length(t30_ett)); expert_t30 = expert_register_protocol(proto_t30); expert_register_field_array(expert_t30, ei, array_length(ei)); register_dissector("t30.hdlc", dissect_t30_hdlc, proto_t30); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */