/* packet-ipdc.c * Routines for IP Device Control (SS7 over IP) dissection * Copyright Lucent Technologies 2004 * Josh Bailey and Ruud Linders * * Using IPDC spec 0.20.2 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * I couldn't find the IPDC spec in question, but, for reference, * there are some Internet-Drafts for a protocol that looks like a * descendant or other variant of this: * * https://tools.ietf.org/html/draft-taylor-ipdc-00 * https://tools.ietf.org/html/draft-dugan-ipdc-connection-00 * https://tools.ietf.org/html/draft-elliott-ipdc-media-00 * https://tools.ietf.org/html/draft-bell-ipdc-signaling-00 * https://tools.ietf.org/html/draft-pickett-ipdc-management-00 */ #include "config.h" #include #include #include #include "packet-tcp.h" #include #include void proto_register_ipdc(void); void proto_reg_handoff_ipdc(void); static dissector_handle_t ipdc_tcp_handle; #define TCP_PORT_IPDC 6668 /* Not IANA registered */ #define TRANS_ID_SIZE_IPDC 4 #define TEXT_UNDEFINED "UNDEFINED" #define IPDC_STR_LEN 255 typedef enum { IPDC_UNKNOWN, IPDC_UINT, IPDC_ASCII, IPDC_BYTE, IPDC_OCTET, IPDC_IPA, IPDC_LINESTATUS, IPDC_CHANNELSTATUS, IPDC_Q931, IPDC_ENCTYPE } ipdc_tag_type; static const value_string encoding_type_vals[] = { { 0x00, "PCMU (G.711 mu-law)" }, { 0x04, "G.723.1" }, { 0x08, "PCMA (G.711 A-law)" }, { 0x12, "G.729A" }, { 0x60, "Transparent data encoding" }, { 0x61, "T.38 fax over UPD" }, { 0, NULL } }; static const value_string line_status_vals[] = { { 0x00, "Not present" }, { 0x01, "Disabled" }, { 0x02, "Red alarm (loss of sync)" }, { 0x03, "Yellow alarm" }, { 0x04, "Other alarm or error" }, { 0x05, "Up" }, { 0x06, "Loopback" }, { 0, NULL } }; static const value_string channel_status_vals[] = { { 0x00, "Not present" }, { 0x01, "Out of service" }, { 0x03, "Maintenance (continuity test pending/in progress)" }, { 0x04, "Blocked" }, { 0x05, "Loopback" }, { 0x06, "Idle" }, { 0x07, "In use (dialing, ringing, etc.)" }, { 0x08, "Connected" }, { 0x50, "On hook" }, { 0x51, "Off hook" }, { 0, NULL } }; /* XXX: Note duplicate values in the following ?? */ /* dups after the first commented out since a */ /* linear search will always match the first */ /* of the dups. */ static const value_string message_code_vals[] = { { 0x0001, "SS -> GW: RCSI: Request inbound call setup" }, { 0x0002, "GW -> SS: ACSI: Accept inbound call setup" }, { 0x0003, "GW -> SS: CONI: Connect inbound call (answer)" }, { 0x0005, "TD -> SS: RCSO: Request outbound call setup" }, { 0x0006, "SS -> TD: ACSO: Accept outbound call setup" }, { 0x0007, "SS -> TD: CONO: Outbound call connected" }, { 0x0009, "SS -> GW: RCST: Request pass-through call setup (TDM connection between two channels)" }, { 0x000A, "GW -> SS: ACST: Accept pass-through call" }, { 0x0011, "RCR: Release channel request" }, { 0x0012, "ACR: Release channel complete" }, { 0x0013, "SS -> GW: RCCP: Request packet call setup" }, { 0x0014, "GW -> SS: ACCP: Accept packet call setup" }, { 0x0015, "SS -> GW: RMPC: Modify/Query request packet call" }, { 0x0016, "GW -> SS: AMPC: Accept modify to packet call" }, { 0x0041, "SS -> GW: RMS: Request module status" }, { 0x0042, "GW -> SS: NMS: Notify module status" }, { 0x0043, "SS -> GW: RLS: Request line status" }, { 0x0044, "GW -> SS: NLS: Notify line status" }, { 0x0045, "SS -> GW: RCS: Request channel status" }, { 0x0046, "GW -> SS: NCS: Notify channel status" }, { 0x0047, "SS -> GW: RRS: Request RTP port Status" }, { 0x0048, "SS -> GW: RARS: Request All RTP port Status" }, { 0x0049, "GW -> SS: NRS: Notify RTP port Status" }, { 0x004A, "GW -> SS: NARS: Notify All RTP port Status" }, { 0x0051, "SS -> GW: SMS: Set a module to a given state" }, { 0x0053, "SS -> GW: SLS: Set a line to a given state" }, { 0x0055, "SS -> GW: SCS: Set a group of channels to a given state" }, { 0x0056, "GW -> SS: RSCS: Response to SCS" }, { 0x0061, "SS -> GW: PCT: Prepare channel for continuity test" }, { 0x0062, "GW -> SS: APCT: Response to PCT" }, { 0x0063, "SS -> GW: SCT: Start continuity test procedure with far end as loopback (Generate tone and check for received tone)" }, { 0x0064, "GW -> SS: ASCT: Continuity test result" }, { 0x0071, "SS -> GW: LTN: Listen for tones" }, { 0x0072, "GW -> SS: ALTN: Response to Listen for tones" }, { 0x0073, "SS -> GW: STN: Send tones" }, { 0x0074, "GW -> SS: ASTN: Completion result of STN command" }, { 0x0079, "NATV: Native Mode Q.931 Signaling Transport" }, { 0x007A, "TUNL: Tunneled Transport of signaling protocol data units" }, { 0x007D, "RTE: Request Test Echo" }, { 0x007E, "ARTE: Response to Request Test Echo" }, { 0x0081, "GW -> SS: NSUP: Notify the soft switch that the GW is coming up" }, { 0x0082, "SS -> GW: ASUP: Acknowledgment to NSUP" }, { 0x0083, "GW -> SS: NSDN: Indication that the GW is going down" }, { 0x0084, "SS -> GW: LNK: Link Active" }, { 0x0085, "GW -> SS: ALNK: Acknowledgement to Link Active" }, { 0x0086, "GW -> SS: SLNK: Link Status" }, { 0x0087, "SS -> GW: RCGST: Request Congestion Status" }, { 0x0088, "GW -> SS: CGST: Congestion Status" }, { 0x0091, "SS -> GW: RSI: Request system information" }, { 0x0092, "GW -> SS: NSI: Notify System Information" }, { 0x00F0, "GW -> SS: NTN: Notify ToNe" }, { 0x00FF, "MRJ: Message reject." }, { 0, NULL } }; static value_string_ext message_code_vals_ext = VALUE_STRING_EXT_INIT(message_code_vals); static const value_string tag_description[] = { { 0x01, "Protocol version" }, { 0x02, "System ID/ Serial Number" }, { 0x03, "System type" }, { 0x04, "Maximum number of modules (slot cards) supported" }, { 0x05, "Bay number" }, { 0x07, "Module number" }, { 0x0A, "Module type" }, { 0x0C, "Module status" }, { 0x0D, "Line number" }, { 0x14, "Line status" }, { 0x15, "Channel number" }, { 0x17, "Bearer capability" }, { 0x18, "Calling party number" }, { 0x19, "Dialed number" }, { 0x1B, "Primary SS IP address" }, { 0x1C, "Primary SS TCP port" }, { 0x20, "Number of lines in the Line status array" }, { 0x21, "Line status array" }, { 0x22, "Number of channels in the Channel status array" }, { 0x23, "Channel status array" }, { 0x24, "Requested module state" }, { 0x25, "Requested line state" }, { 0x26, "Requested channel status action" }, { 0x27, "Set channel status option" }, { 0x28, "Channel number first (for grouping)" }, { 0x29, "End Channel Number (for grouping)" }, { 0x2A, "Set channel status result" }, { 0x2B, "Prepare for continuity check result" }, { 0x2C, "Continuity timeout (ms)" }, { 0x2D, "Continuity test result" }, { 0x31, "Maximum time between digits in digits recognition/ tone" \ "detection (inter-digit time-out) (ms)" }, { 0x32, "Tone string length" }, { 0x33, "Tone string" }, { 0x34, "Tone to complete collection" }, { 0x35, "Tone listen completion status" }, { 0x36, "Tone send completion status" }, { 0x37, "TDM destination Module" }, { 0x38, "TDM destination Line" }, { 0x39, "TDM destination channel" }, { 0x3A, "DTMF send IP address" }, { 0x3B, "DTMF send RTP port number" }, { 0x3C, "DTMF send format" }, { 0x3D, "DTMF Named Events to Expect" }, { 0x3E, "DTMF Payload Indicator" }, { 0x40, "Access server Call identifier" }, { 0x46, "Maximum time for digit collection (ms)" }, { 0x49, "Tone Type" }, { 0x4A, "Apply/Cancel Tone" }, { 0x5D, "Destination listen IP address" }, { 0x5E, "Destination listen RTP port number" }, { 0x5F, "Destination send IP address" }, { 0x60, "Destination send RTP port number" }, { 0x65, "Source port type" }, { 0x66, "Destination port type" }, { 0x67, "Start RTP Port Number" }, { 0x68, "End RTP Port Number" }, { 0x69, "Rogue Session Addresses" }, { 0x6A, "RTP Port Status" }, { 0x6F, "Receive Encoding Type" }, { 0x70, "Send Encoding Type" }, { 0x71, "Silence Suppression Activation Timer (ms)" }, { 0x72, "Comfort Noise Generation" }, { 0x73, "Packet Loading (ms)" }, { 0x74, "Echo Cancellation" }, { 0x75, "Constant DTMF Tone Detection on/off" }, { 0x76, "Constant MF Tone Detection on/off" }, { 0x77, "Constant Fax tone detection on/off" }, { 0x78, "Constant Modem tone detection on/off" }, { 0x7B, "Constant Packet Loss Detection on/off" }, { 0x7C, "Packet Loss Threshold" }, { 0x7D, "Constant Latency Threshold Detection on/off" }, { 0x7E, "Latency Threshold (ms)" }, { 0x86, "Announcement treatment" }, { 0x90, "Packet Statistics Reset Indicator" }, { 0x91, "Number of audio packets sent" }, { 0x92, "Number of audio packets dropped" }, { 0x93, "Number of audio bytes sent" }, { 0x94, "Number of audio bytes dropped" }, { 0x95, "Number of signaling packets sent" }, { 0x96, "Number of signaling packets dropped" }, { 0x97, "Number of signaling bytes sent" }, { 0x98, "Number of signaling bytes dropped" }, { 0x99, "Estimated average latency (ms)" }, { 0x9D, "Number of audio packets received" }, { 0x9E, "Number of audio bytes received" }, { 0x9F, "Number of signaling packets received" }, { 0xA0, "Number of signaling bytes received" }, { 0xA1, "Protocol Type" }, { 0xA2, "PDU Data Block" }, { 0xA3, "Jitter estimated (m ticks)" }, { 0xA4, "Global call ID" }, { 0xA5, "User information line 1 proto" }, { 0xA6, "Congestion level indicator" }, { 0xA7, "RADIUS Ascend-auth-type" }, { 0xB0, "Link status" }, { 0xB1, "Action request" }, { 0xB2, "Calling Party Info1" }, { 0xB3, "Called Party Info2" }, { 0xC1, "Country Code" }, { 0xC2, "Number of Operational Universal Ports" }, { 0xC3, "Number of Operational HDLC-only (digital) ports" }, { 0xFE, "Q.850 Cause code" }, { 0, NULL } }; static value_string_ext tag_description_ext = VALUE_STRING_EXT_INIT(tag_description); typedef struct _ipdc_tag_type_val { int tag; ipdc_tag_type type; } ipdc_tag_type_val; static const ipdc_tag_type_val ipdc_tag_types[] = { { 0x01, IPDC_UINT }, { 0x02, IPDC_ASCII }, { 0x03, IPDC_ASCII }, { 0x04, IPDC_UINT }, { 0x05, IPDC_ASCII }, { 0x07, IPDC_UINT }, { 0x0A, IPDC_BYTE }, { 0x0C, IPDC_BYTE }, { 0x0D, IPDC_UINT }, { 0x14, IPDC_BYTE }, { 0x15, IPDC_UINT }, { 0x17, IPDC_BYTE }, { 0x18, IPDC_ASCII }, { 0x19, IPDC_ASCII }, { 0x1B, IPDC_IPA }, { 0x1C, IPDC_UINT }, { 0x20, IPDC_UINT }, { 0x21, IPDC_LINESTATUS }, { 0x22, IPDC_UINT }, { 0x23, IPDC_CHANNELSTATUS }, { 0x24, IPDC_BYTE }, { 0x25, IPDC_OCTET }, /* TBD */ { 0x26, IPDC_BYTE }, { 0x27, IPDC_BYTE }, { 0x28, IPDC_UINT }, { 0x29, IPDC_UINT }, { 0x2A, IPDC_BYTE }, { 0x2B, IPDC_BYTE }, { 0x2C, IPDC_UINT }, { 0x2D, IPDC_BYTE }, { 0x31, IPDC_UINT }, { 0x32, IPDC_UINT }, { 0x33, IPDC_ASCII }, { 0x34, IPDC_ASCII }, { 0x35, IPDC_BYTE }, { 0x36, IPDC_UINT }, { 0x37, IPDC_UINT }, { 0x38, IPDC_UINT }, { 0x39, IPDC_UINT }, { 0x3A, IPDC_IPA }, { 0x3B, IPDC_UINT }, { 0x3C, IPDC_BYTE }, { 0x3D, IPDC_ASCII }, { 0x3E, IPDC_UINT }, { 0x40, IPDC_UINT }, { 0x46, IPDC_UINT }, { 0x49, IPDC_BYTE }, { 0x4A, IPDC_BYTE }, { 0x5D, IPDC_IPA }, { 0x5E, IPDC_UINT }, { 0x5F, IPDC_IPA }, { 0x60, IPDC_UINT }, { 0x65, IPDC_BYTE }, { 0x66, IPDC_BYTE }, { 0x67, IPDC_UINT }, { 0x68, IPDC_UINT }, { 0x69, IPDC_IPA }, { 0x6A, IPDC_BYTE }, { 0x6F, IPDC_ENCTYPE }, { 0x70, IPDC_ENCTYPE }, { 0x71, IPDC_UINT }, { 0x72, IPDC_BYTE }, { 0x73, IPDC_UINT }, { 0x74, IPDC_BYTE }, { 0x75, IPDC_BYTE }, { 0x76, IPDC_BYTE }, { 0x77, IPDC_BYTE }, { 0x78, IPDC_BYTE }, { 0x7B, IPDC_BYTE }, { 0x7C, IPDC_UINT }, { 0x7D, IPDC_BYTE }, { 0x7E, IPDC_UINT }, { 0x86, IPDC_BYTE }, { 0x90, IPDC_BYTE }, { 0x91, IPDC_UINT }, { 0x92, IPDC_UINT }, { 0x93, IPDC_UINT }, { 0x94, IPDC_UINT }, { 0x95, IPDC_UINT }, { 0x96, IPDC_UINT }, { 0x97, IPDC_UINT }, { 0x98, IPDC_UINT }, { 0x99, IPDC_UINT }, { 0x9D, IPDC_UINT }, { 0x9E, IPDC_UINT }, { 0x9F, IPDC_UINT }, { 0xA0, IPDC_UINT }, { 0xA1, IPDC_UINT }, { 0xA2, IPDC_Q931 }, { 0xA3, IPDC_BYTE }, { 0xA4, IPDC_BYTE }, { 0xA5, IPDC_BYTE }, { 0xA6, IPDC_UINT }, { 0xA7, IPDC_UINT }, { 0xB0, IPDC_BYTE }, { 0xB1, IPDC_BYTE }, { 0xB2, IPDC_OCTET }, { 0xB3, IPDC_OCTET }, { 0xC1, IPDC_BYTE }, { 0xC2, IPDC_UINT }, { 0xC3, IPDC_UINT }, { 0xFE, IPDC_UINT }, { 0xFFFF, IPDC_UNKNOWN } }; #define IPDC_TAG(x) (256 * (x)) static const value_string tag_enum_type[] = { /* Protocol Version */ { IPDC_TAG(0x01) + 0x00, "Version 0 (Xcom NMI 5.0)" }, { IPDC_TAG(0x01) + 0x01, "IPDC Version 0.12" }, { IPDC_TAG(0x01) + 0x02, "IPDC Version 0.15" }, { IPDC_TAG(0x01) + 0x03, "IPDC Version 0.17" }, { IPDC_TAG(0x01) + 0x04, "IPDC Version 0.18" }, { IPDC_TAG(0x01) + 0x05, "IPDC Version 0.19" }, { IPDC_TAG(0x01) + 0x06, "IPDC Version 0.20" }, /* Module type, from Annex B. */ { IPDC_TAG(0x0a) + 0x01, "Unknown" }, { IPDC_TAG(0x0a) + 0x02, "Shelf" }, { IPDC_TAG(0x0a) + 0x03, "Router Card" }, { IPDC_TAG(0x0a) + 0x04, "8-line Channelized T1" }, { IPDC_TAG(0x0a) + 0x05, "8-line Channelized E1" }, { IPDC_TAG(0x0a) + 0x06, "48-modem Card" }, { IPDC_TAG(0x0a) + 0x07, "192 HDLC Card" }, { IPDC_TAG(0x0a) + 0x08, "4-port Ethernet Card" }, { IPDC_TAG(0x0a) + 0x09, "Serial WAN Card" }, { IPDC_TAG(0x0a) + 0x0A, "HSSI Card" }, { IPDC_TAG(0x0a) + 0x0B, "10-line Unchannelized T1" }, { IPDC_TAG(0x0a) + 0x0C, "36-modem (Analog) Card" }, { IPDC_TAG(0x0a) + 0x0D, "T3 Card" }, { IPDC_TAG(0x0a) + 0x0E, "48-modem 56K Card" }, { IPDC_TAG(0x0a) + 0x0F, "Forward" }, { IPDC_TAG(0x0a) + 0x10, "SDSL Card" }, { IPDC_TAG(0x0a) + 0x11, "CAP ADSL Card" }, { IPDC_TAG(0x0a) + 0x12, "DMT ADSL Card" }, { IPDC_TAG(0x0a) + 0x13, "Standalone Modem Controller" }, { IPDC_TAG(0x0a) + 0x14, "32-port IDSL Card" }, { IPDC_TAG(0x0a) + 0x15, "10-line Unchannelized E1" }, { IPDC_TAG(0x0a) + 0x16, "36-modem (Analog) 2 Card" }, { IPDC_TAG(0x0a) + 0x17, "CSMX Modem Card" }, { IPDC_TAG(0x0a) + 0x18, "UDS3 Card" }, { IPDC_TAG(0x0a) + 0x19, "DS3 ATM Card" }, { IPDC_TAG(0x0a) + 0x1A, "4-port Ethernet 2 Card" }, { IPDC_TAG(0x0a) + 0x1B, "192 HDLC 2 Card" }, { IPDC_TAG(0x0a) + 0x1C, "SDSL 70 Data Card" }, { IPDC_TAG(0x0a) + 0x1D, "MADD Card" }, { IPDC_TAG(0x0a) + 0x1E, "SDSL 70 Voice Card" }, { IPDC_TAG(0x0a) + 0x1F, "OC3 Daughter Card" }, { IPDC_TAG(0x0a) + 0x20, "OC3 ATM Card" }, { IPDC_TAG(0x0a) + 0x21, "4-port Ethernet 3 Card" }, { IPDC_TAG(0x0a) + 0x22, "SRS Ethernet Card" }, { IPDC_TAG(0x0a) + 0x23, "SDSL ATM Card" }, { IPDC_TAG(0x0a) + 0x24, "AL DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x25, "CSM3V Modem Card" }, { IPDC_TAG(0x0a) + 0x26, "HDLC2EC Card" }, { IPDC_TAG(0x0a) + 0x27, "DS3 Daughter Card" }, { IPDC_TAG(0x0a) + 0x28, "2-port Ethernet Card" }, { IPDC_TAG(0x0a) + 0x2A, "STM0 Card" }, { IPDC_TAG(0x0a) + 0x2B, "SDSL Ripper Card" }, { IPDC_TAG(0x0a) + 0x2F, "Stinger Terminator Card" }, { IPDC_TAG(0x0a) + 0x30, "GS DADSL Ripper Card" }, { IPDC_TAG(0x0a) + 0x31, "PCTFIT Card" }, { IPDC_TAG(0x0a) + 0x32, "PCTFIE Card" }, { IPDC_TAG(0x0a) + 0x33, "CT DADSL GLITE Card" }, { IPDC_TAG(0x0a) + 0x34, "DS3 ATM 2 Card" }, { IPDC_TAG(0x0a) + 0x35, "E3 ATM Card" }, { IPDC_TAG(0x0a) + 0x36, "24-line Stinger IMA T1 Card" }, { IPDC_TAG(0x0a) + 0x37, "MADD 2 Card" }, { IPDC_TAG(0x0a) + 0x38, "GS HDSL 2 Card" }, { IPDC_TAG(0x0a) + 0x39, "32-line Stinger IDSL Card" }, { IPDC_TAG(0x0a) + 0x3A, "ANNEXB DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x3B, "24-line Stinger IMA E1 Card" }, { IPDC_TAG(0x0a) + 0x3C, "40C CT DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x3D, "4-port Ethernet 3+ Card" }, { IPDC_TAG(0x0a) + 0x3E, "CLPMT Card" }, { IPDC_TAG(0x0a) + 0x3F, "CLPME Card" }, { IPDC_TAG(0x0a) + 0x40, "E3 Daughter Card" }, { IPDC_TAG(0x0a) + 0x41, "8-line Stinger IMA T1 Card" }, { IPDC_TAG(0x0a) + 0x42, "8-line Stinger IMA E1 Card" }, { IPDC_TAG(0x0a) + 0x43, "48A GS DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x44, "48B GS DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x45, "48C GS DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x46, "40A CT DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x47, "OC3 ATM 2 Card" }, { IPDC_TAG(0x0a) + 0x48, "4-port Serial WAN 2 Card" }, { IPDC_TAG(0x0a) + 0x49, "CDS3 LIM Card" }, { IPDC_TAG(0x0a) + 0x4A, "R7000 Card" }, { IPDC_TAG(0x0a) + 0x4B, "VPN Card" }, { IPDC_TAG(0x0a) + 0x4C, "HSE Card" }, { IPDC_TAG(0x0a) + 0x4D, "MADD 3 Card" }, { IPDC_TAG(0x0a) + 0x4E, "Stinger CM V2 Card" }, { IPDC_TAG(0x0a) + 0x4F, "COC3 LIM Card" }, { IPDC_TAG(0x0a) + 0x50, "Stinger SHDSL Card" }, { IPDC_TAG(0x0a) + 0x51, "2-port OC34-port DS3 Daughter Card" }, { IPDC_TAG(0x0a) + 0x52, "72-line DADSL ATM Card" }, { IPDC_TAG(0x0a) + 0x53, "36-line DMT MRT Card" }, { IPDC_TAG(0x0a) + 0x54, "24-line T1 Card" }, { IPDC_TAG(0x0a) + 0x55, "24-line E1 Card" }, { IPDC_TAG(0x0a) + 0x56, "Stinger MRT CM Card" }, { IPDC_TAG(0x0a) + 0x57, "CSTM1 LIM Card" }, /* Module status */ { IPDC_TAG(0x0c) + 0x00, "Not present (empty)" }, { IPDC_TAG(0x0c) + 0x01, "Out of service (down)" }, { IPDC_TAG(0x0c) + 0x02, "Up" }, { IPDC_TAG(0x0c) + 0x03, "Error" }, { IPDC_TAG(0x0c) + 0x04, "Does not exist" }, /* Line status */ { IPDC_TAG(0x14) + 0x00, "Not present" }, { IPDC_TAG(0x14) + 0x01, "Disabled" }, { IPDC_TAG(0x14) + 0x02, "Red alarm (loss of sync)" }, { IPDC_TAG(0x14) + 0x03, "Yellow alarm" }, { IPDC_TAG(0x14) + 0x04, "Other alarms or errors" }, { IPDC_TAG(0x14) + 0x05, "Up" }, { IPDC_TAG(0x14) + 0x06, "Loopback" }, /* Bearer capability */ { IPDC_TAG(0x17) + 0x00, "Voice call" }, { IPDC_TAG(0x17) + 0x08, "64K data call" }, { IPDC_TAG(0x17) + 0x09, "56K data call" }, { IPDC_TAG(0x17) + 0x10, "Modem call (3.1K Audio call) (applies to RCSI for modem call only)" }, /* Line status array */ /* { IPDC_TAG(0x21) + 0x0, "" }, */ /* Channel status array */ /* { IPDC_TAG(0x23) + 0x0, "" }, */ /* Requested module state */ { IPDC_TAG(0x24) + 0x00, "Out of service" }, { IPDC_TAG(0x24) + 0x01, "Initialize (bring up)" }, /* Requested line state */ { IPDC_TAG(0x25) + 0x00, "Disable" }, { IPDC_TAG(0x25) + 0x01, "Enable" }, { IPDC_TAG(0x25) + 0x02, "Start loopback" }, { IPDC_TAG(0x25) + 0x03, "Terminate loopback" }, /* Requested channel status action */ { IPDC_TAG(0x26) + 0x00, "Reset to idle" }, { IPDC_TAG(0x26) + 0x01, "Reset to out of service" }, { IPDC_TAG(0x26) + 0x02, "Start loopback" }, { IPDC_TAG(0x26) + 0x03, "Terminate loopback" }, /* Set channel status option */ { IPDC_TAG(0x27) + 0x00, "Do not perform the indicated action if any of the" \ "channels is not in the valid initial state" }, { IPDC_TAG(0x27) + 0x01, "Perform the indicated action on channels that are on" \ "the valid initial state. Other channels are not affected" }, /* Set channel status result */ { IPDC_TAG(0x2a) + 0x00, "action successfully performed in all channels" }, { IPDC_TAG(0x2a) + 0x01, "at least one channel failed" }, /* Prepare for continuity check result */ { IPDC_TAG(0x2b) + 0x00, "Resources reserved successfully" }, { IPDC_TAG(0x2b) + 0x01, "Resource not available" }, /* Continuity test result */ { IPDC_TAG(0x2d) + 0x00, "Test completed successfully" }, { IPDC_TAG(0x2d) + 0x01, "Test failed" }, /* Tone listen completion status */ { IPDC_TAG(0x35) + 0x00, "Timeout" }, { IPDC_TAG(0x35) + 0x01, "No resources available for this operation" }, { IPDC_TAG(0x35) + 0x02, "Operation terminated by the SS" }, { IPDC_TAG(0x35) + 0x03, "Tone-to-complete-collection received" }, { IPDC_TAG(0x35) + 0x04, "The specified maximum number of tones received" }, { IPDC_TAG(0x35) + 0x05, "Wait between successive tones too long" }, /* Tone send completion status */ { IPDC_TAG(0x36) + 0x00, "Operation succeeded" }, { IPDC_TAG(0x36) + 0x01, "Operation failed" }, { IPDC_TAG(0x36) + 0x02, "Operation terminated by SS" }, { IPDC_TAG(0x36) + 0x03, "Operation started" }, { IPDC_TAG(0x36) + 0x04, "Operation terminated by administrative action" }, /* DTMF send format */ { IPDC_TAG(0x3c) + 0x00, "Tone" }, { IPDC_TAG(0x3c) + 0x01, "Event" }, { IPDC_TAG(0x3c) + 0x02, "Both (default)" }, /* Tone Type */ { IPDC_TAG(0x49) + 0x00, "MF Tone" }, { IPDC_TAG(0x49) + 0x01, "DTMF Tone" }, { IPDC_TAG(0x49) + 0x02, "Analog Test Tone" }, { IPDC_TAG(0x49) + 0x03, "Announcement" }, { IPDC_TAG(0x49) + 0x04, "Digital Milli-watt tone" }, { IPDC_TAG(0x49) + 0x05, "Supplemental tones" }, { IPDC_TAG(0x49) + 0x06, "Fax tone (CED, no phase reversal, or V.21 flags)" }, { IPDC_TAG(0x49) + 0x07, "Modem tone (CED, phase reversal)" }, { IPDC_TAG(0x49) + 0x41, "Ringback tone" }, /* Apply/Cancel Tone */ { IPDC_TAG(0x4a) + 0x00, "Apply tone" }, { IPDC_TAG(0x4a) + 0x01, "Cancel tone" }, { IPDC_TAG(0x4a) + 0x02, "Listen for tone" }, /* Source port type */ { IPDC_TAG(0x65) + 0x00, "SCN channel" }, /* Destination port type */ { IPDC_TAG(0x66) + 0x01, "RTP port" }, /* RTP Port Status */ { IPDC_TAG(0x6a) + 0x00, "Idle", }, { IPDC_TAG(0x6a) + 0x01, "Active" }, /* Receive Encoding Type */ { IPDC_TAG(0x6f) + 0x00, "PCMU (G.711 mu-law)" }, { IPDC_TAG(0x6f) + 0x04, "G723.1" }, { IPDC_TAG(0x6f) + 0x08, "PCMA (G.711 A-law)" }, { IPDC_TAG(0x6f) + 0x12, "G729A" }, { IPDC_TAG(0x6f) + 0x60, "Transparent data encoding" }, { IPDC_TAG(0x6f) + 0x61, "T.38 fax over UPD" }, /* Send Encoding Type */ { IPDC_TAG(0x70) + 0x00, "PCMU (G.711 mu-law)" }, { IPDC_TAG(0x70) + 0x04, "G723.1" }, { IPDC_TAG(0x70) + 0x08, "PCMA (G.711 A-law)" }, { IPDC_TAG(0x70) + 0x12, "G729A" }, { IPDC_TAG(0x70) + 0x60, "Transparent data encoding" }, { IPDC_TAG(0x70) + 0x61, "T.38 fax over UPD" }, /* Comfort Noise Generation */ { IPDC_TAG(0x72) + 0x00, "off" }, { IPDC_TAG(0x72) + 0x01, "on" }, /* Echo Cancellation */ { IPDC_TAG(0x74) + 0x00, "Off" }, { IPDC_TAG(0x74) + 0x01, "On, 16 ms tail" }, { IPDC_TAG(0x74) + 0x02, "On, 32 ms tail (default)" }, { IPDC_TAG(0x74) + 0x03, "On, 64ms tail" }, /* Constant DTMF Tone Detection on/off */ { IPDC_TAG(0x75) + 0x00, "Off" }, { IPDC_TAG(0x75) + 0x01, "On (Default)" }, /* Constant MF Tone Detection on/off" */ { IPDC_TAG(0x76) + 0x00, "Off (Default)" }, { IPDC_TAG(0x76) + 0x01, "On" }, /* Constant Fax tone detection on/off */ { IPDC_TAG(0x77) + 0x00, "Off" }, { IPDC_TAG(0x77) + 0x01, "On (Default)" }, /* Constant Modem tone detection on/off */ { IPDC_TAG(0x78) + 0x00, "Off" }, { IPDC_TAG(0x78) + 0x01, "On (Default)" }, /* Constant Packet Loss Detection on/off */ { IPDC_TAG(0x7b) + 0x00, "Off" }, { IPDC_TAG(0x7b) + 0x01, "On (Default)" }, /* Constant Latency Threshold Detection on/off */ { IPDC_TAG(0x7d) + 0x00, "Off" }, { IPDC_TAG(0x7d) + 0x01, "On (Default)" }, /* Announcement treatment */ { IPDC_TAG(0x86) + 0x00, "Continuous play" }, { IPDC_TAG(0x86) + 0x01, "Play 1 time and terminate the call" }, { IPDC_TAG(0x86) + 0x02, "Play 2 times and terminate the call" }, { IPDC_TAG(0x86) + 0x03, "Play 3 times and terminate the call" }, { IPDC_TAG(0x86) + 0x04, "Play 4 times and terminate the call" }, { IPDC_TAG(0x86) + 0x05, "Play 5 times and terminate the call" }, /* Packet Statistics Reset Indicator */ { IPDC_TAG(0x90) + 0x00, "Do not reset" }, { IPDC_TAG(0x90) + 0x01, "Reset (default)" }, /* Protocol Type */ { IPDC_TAG(0xa1) + 0x01, "ITU-T Q931" }, { IPDC_TAG(0xa1) + 0x02, "Nortel-ISDN" }, { IPDC_TAG(0xa1) + 0x03, "5ESS-ISDN" }, { IPDC_TAG(0xa1) + 0x04, "Euro-ISDN" }, /* Global call ID Refer Annex A */ /* IPDC_TAG(0xa4) .... */ /* User information line 1 proto */ /* IPDC_TAG(0xa5) .... */ /* Congestion level indicator */ { IPDC_TAG(0xa6) + 0x00, "No Congestion" }, { IPDC_TAG(0xa6) + 0x01, "Congestion Level 1" }, { IPDC_TAG(0xa6) + 0x02, "Congestion Level 2" }, /* RADIUS Ascend-auth-type */ { IPDC_TAG(0xa7) + 0x00, "None" }, { IPDC_TAG(0xa7) + 0x01, "Any" }, { IPDC_TAG(0xa7) + 0x02, "PAP (Default)" }, { IPDC_TAG(0xa7) + 0x03, "CHAP" }, /* ??? { IPDC_TAG(0xa7) + 0x03, "MS-CHAP" }, */ /* Link status */ { IPDC_TAG(0xb0) + 0x00, "Successfully connected" }, { IPDC_TAG(0xb0) + 0x01, "Not connected" }, /* Action request */ { IPDC_TAG(0xb1) + 0x00, "Registration request" }, /* Calling Party Info */ /* Called Party Info */ /* Country Code */ { IPDC_TAG(0xc1) + 0x00, "Argentina" }, { IPDC_TAG(0xc1) + 0x02, "Australia" }, { IPDC_TAG(0xc1) + 0x03, "Belgium" }, { IPDC_TAG(0xc1) + 0x04, "China" }, { IPDC_TAG(0xc1) + 0x05, "Costa Rica" }, { IPDC_TAG(0xc1) + 0x06, "Finland" }, { IPDC_TAG(0xc1) + 0x07, "France" }, { IPDC_TAG(0xc1) + 0x08, "Germany" }, { IPDC_TAG(0xc1) + 0x09, "Hong Kong" }, { IPDC_TAG(0xc1) + 0x0a, "Italy" }, { IPDC_TAG(0xc1) + 0x0b, "Japan" }, { IPDC_TAG(0xc1) + 0x0c, "Korea" }, { IPDC_TAG(0xc1) + 0x0d, "Mexico" }, { IPDC_TAG(0xc1) + 0x0e, "Netherlands" }, { IPDC_TAG(0xc1) + 0x0f, "New Zealand" }, { IPDC_TAG(0xc1) + 0x10, "Singapore" }, { IPDC_TAG(0xc1) + 0x11, "Spain" }, { IPDC_TAG(0xc1) + 0x12, "Sweden" }, { IPDC_TAG(0xc1) + 0x13, "Switzerland" }, { IPDC_TAG(0xc1) + 0x14, "UK" }, { IPDC_TAG(0xc1) + 0x15, "US" }, /* ??? { IPDC_TAG(0xc1) + 0x15, "Brazil" }, */ { 0, NULL } }; static value_string_ext tag_enum_type_ext = VALUE_STRING_EXT_INIT(tag_enum_type); static int proto_ipdc; static int hf_ipdc_nr; static int hf_ipdc_ns; static int hf_ipdc_payload_len; static int hf_ipdc_protocol_id; static int hf_ipdc_trans_id_size; static int hf_ipdc_trans_id; static int hf_ipdc_message_code; static int hf_ipdc_ascii; static int hf_ipdc_uint; static int hf_ipdc_ipv4; static int hf_ipdc_line_status; static int hf_ipdc_channel_status; static int hf_ipdc_enctype; static int hf_ipdc_end_of_tags; static int hf_ipdc_data_trailing_end_of_tags; static int hf_ipdc_type_unknown; static int ett_ipdc; static int ett_ipdc_tag; static int ett_ipdc_line_status; static expert_field ei_ipdc_ipv4; static bool ipdc_desegment = true; static dissector_handle_t q931_handle; static unsigned get_ipdc_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_) { /* lower 10 bits only */ unsigned raw_len = (tvb_get_ntohs(tvb,offset+2) & 0x03FF); return raw_len + 4; } static int dissect_ipdc_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_item *ti; proto_tree *ipdc_tree; proto_tree *tag_tree, *line_tree; tvbuff_t *q931_tvb; const char *des; const char *enum_val = ""; char *tmp_tag_text; const value_string *val_ptr; int hf_ptr; uint32_t type; unsigned len; unsigned i; unsigned status; uint8_t tag; uint32_t tmp_tag; uint8_t nr = tvb_get_uint8(tvb,0); uint8_t ns = tvb_get_uint8(tvb,1); unsigned payload_len = get_ipdc_pdu_len(pinfo,tvb,0,NULL); /* payload_len will be at least 4 bytes... */ int trans_id_size; uint32_t trans_id; uint16_t message_code; uint16_t offset; /* display IPDC protocol ID */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPDC"); /* clear info column and display send/receive sequence numbers */ col_append_fstr(pinfo->cinfo, COL_INFO, "r=%u s=%u ", nr, ns); if (payload_len == 4) { ti = proto_tree_add_item(tree, proto_ipdc, tvb, 0, -1, ENC_NA); ipdc_tree = proto_item_add_subtree(ti, ett_ipdc); proto_tree_add_item(ipdc_tree, hf_ipdc_nr, tvb, 0, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ipdc_tree, hf_ipdc_ns, tvb, 1, 1, ENC_BIG_ENDIAN); proto_tree_add_uint(ipdc_tree, hf_ipdc_payload_len, tvb, 2, 2, payload_len); col_set_fence(pinfo->cinfo, COL_INFO); return 4; } /* IPDC tags present - display message code and trans. ID */ trans_id_size = TRANS_ID_SIZE_IPDC; /* tvb_get_uint8(tvb,5); */ trans_id = tvb_get_ntohl(tvb,6); message_code = tvb_get_ntohs(tvb,6+trans_id_size); offset = 6 + trans_id_size + 2; /* past message_code */ col_append_fstr(pinfo->cinfo, COL_INFO, "TID=%x %s ", trans_id, val_to_str_ext_const(message_code, &message_code_vals_ext, TEXT_UNDEFINED)); ti = proto_tree_add_item(tree, proto_ipdc, tvb, 0, -1, ENC_NA); ipdc_tree = proto_item_add_subtree(ti, ett_ipdc); proto_tree_add_item(ipdc_tree, hf_ipdc_nr, tvb, 0, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ipdc_tree, hf_ipdc_ns, tvb, 1, 1, ENC_BIG_ENDIAN); proto_tree_add_uint(ipdc_tree, hf_ipdc_payload_len, tvb, 2, 2, payload_len); proto_tree_add_item(ipdc_tree, hf_ipdc_protocol_id, tvb, 4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ipdc_tree, hf_ipdc_trans_id_size, tvb, 5, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ipdc_tree, hf_ipdc_trans_id, tvb, 6, trans_id_size, ENC_NA); proto_tree_add_item(ipdc_tree, hf_ipdc_message_code, tvb, 6 + trans_id_size, 2, ENC_BIG_ENDIAN); tag_tree = proto_tree_add_subtree(ipdc_tree, tvb, offset, payload_len - offset, ett_ipdc_tag, NULL, "IPDC tags"); /* iterate through tags. first byte is tag, second is length, in bytes, following is tag data. tag of 0x0 should be end of tags. */ for (;;) { tag = tvb_get_uint8(tvb, offset); if (tag == 0x0) { if (offset == payload_len - 1) { proto_tree_add_item(tag_tree, hf_ipdc_end_of_tags, tvb, offset, 1, ENC_NA); } else { proto_tree_add_item(tag_tree, hf_ipdc_data_trailing_end_of_tags, tvb, offset, 1, ENC_NA); } break; } len = tvb_get_uint8(tvb,offset+1); des = val_to_str_ext_const(tag, &tag_description_ext, TEXT_UNDEFINED); /* lookup tag type */ for (i = 0; (ipdc_tag_types[i].tag != tag && ipdc_tag_types[i].type != IPDC_UNKNOWN); i++) ; type = ipdc_tag_types[i].type; tmp_tag = 0; switch (type) { /* simple IPDC_ASCII strings */ case IPDC_ASCII: if (len <= IPDC_STR_LEN) { tmp_tag_text = (char *) tvb_get_string_enc(pinfo->pool, tvb, offset+2, len, ENC_ASCII|ENC_NA); proto_tree_add_string_format(tag_tree, hf_ipdc_ascii, tvb, offset, len + 2, tmp_tag_text, "%s (0x%2.2x): %s", des, tag, tmp_tag_text); } break; /* unsigned integers, or bytes */ case IPDC_UINT: case IPDC_BYTE: if (len <= 4) { for (i = 0; i < len; i++) tmp_tag += tvb_get_uint8(tvb, offset + 2 + i) * (uint32_t)pow(256, len - (i + 1)); if (len == 1) enum_val = val_to_str_ext_const(IPDC_TAG(tag) + tmp_tag, &tag_enum_type_ext, TEXT_UNDEFINED); if (len == 1 && strcmp(enum_val, TEXT_UNDEFINED) != 0) { proto_tree_add_uint_format(tag_tree, hf_ipdc_uint, tvb, offset, len + 2, tmp_tag, "%s (0x%2.2x): %s", des, tag, enum_val); } else { proto_tree_add_uint_format(tag_tree, hf_ipdc_uint, tvb, offset, len + 2, tmp_tag, "%s (0x%2.2x): %u", des, tag, tmp_tag); } } break; /* IP addresses */ case IPDC_IPA: switch (len) { case 4: proto_tree_add_ipv4_format(tag_tree, hf_ipdc_ipv4, tvb, offset, len + 2, tvb_get_ntohl(tvb, offset + 2), "%s (0x%2.2x): %s", des, tag, tvb_ip_to_str(pinfo->pool, tvb, offset + 2)); break; case 6: proto_tree_add_ipv4_format(tag_tree, hf_ipdc_ipv4, tvb, offset, len + 2, tvb_get_ntohl(tvb, offset + 2), "%s (0x%2.2x): %s:%u", des, tag, tvb_ip_to_str(pinfo->pool, tvb, offset + 2), tvb_get_ntohs(tvb, offset + 6)); break; default: proto_tree_add_expert_format(tag_tree, pinfo, &ei_ipdc_ipv4, tvb, offset, len + 2, "%s (0x%2.2x): Invalid IP address length %u", des, tag, len); } break; /* Line status arrays */ case IPDC_LINESTATUS: case IPDC_CHANNELSTATUS: line_tree = proto_tree_add_subtree_format(tag_tree, tvb, offset, len + 2, ett_ipdc_line_status, NULL, "%s (0x%2.2x)", des, tag); val_ptr = (type == IPDC_LINESTATUS) ? line_status_vals : channel_status_vals; hf_ptr = (type == IPDC_LINESTATUS) ? hf_ipdc_line_status : hf_ipdc_channel_status; for (i = 0; i < len; i++) { status = tvb_get_uint8(tvb,offset+2+i); proto_tree_add_uint_format(line_tree, hf_ptr, tvb, offset + 2 + i, 1, status, "%s (0x%2.2x) %.2u: %u (%s)", des, tag, i + 1, status, val_to_str_const(status, val_ptr, TEXT_UNDEFINED)); } break; case IPDC_Q931: q931_tvb = tvb_new_subset_length(tvb, offset+2, len); call_dissector(q931_handle,q931_tvb,pinfo,tree); break; case IPDC_ENCTYPE: proto_tree_add_uint_format(tag_tree, hf_ipdc_enctype, tvb, offset, len + 2, tvb_get_uint8(tvb,offset+2), "%s (0x%2.2x): %s", des, tag, val_to_str_const( tvb_get_uint8(tvb,offset+2), encoding_type_vals, TEXT_UNDEFINED)); if (len == 2) { proto_tree_add_uint_format(tag_tree, hf_ipdc_enctype, tvb, offset, len + 2, tvb_get_uint8(tvb,offset+3), "%s (0x%2.2x): %u", des, tag, tvb_get_uint8(tvb,offset+3)); } break; /* default */ default: proto_tree_add_bytes_format(tag_tree, hf_ipdc_type_unknown, tvb, offset, len + 2, NULL, "0x%2.2x: %s", tag, des); } /* switch */ offset += len + 2; } col_set_fence(pinfo->cinfo, COL_INFO); return tvb_captured_length(tvb); } static int dissect_ipdc_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { return dissect_ipdc_common(tvb, pinfo, tree, data); } static int dissect_ipdc_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { tcp_dissect_pdus(tvb, pinfo, tree, ipdc_desegment, 4, get_ipdc_pdu_len, dissect_ipdc_tcp_pdu, data); return tvb_captured_length(tvb); } void proto_register_ipdc(void) { static hf_register_info hf[] = { { &hf_ipdc_nr, { "N(r)", "ipdc.nr", FT_UINT8, BASE_DEC, NULL, 0x0, "Receive sequence number", HFILL } }, { &hf_ipdc_ns, { "N(s)", "ipdc.ns", FT_UINT8, BASE_DEC, NULL, 0x0, "Transmit sequence number", HFILL } }, { &hf_ipdc_payload_len, { "Payload length", "ipdc.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_protocol_id, { "Protocol ID", "ipdc.protocol_id", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_trans_id_size, { "Transaction ID size", "ipdc.trans_id_size", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_trans_id, { "Transaction ID", "ipdc.trans_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_message_code, { "Message code", "ipdc.message_code", FT_UINT16, BASE_HEX|BASE_EXT_STRING, &message_code_vals_ext, 0x0, NULL, HFILL } }, { &hf_ipdc_ascii, { "ASCII value", "ipdc.ascii", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_uint, { "Byte/UINT value", "ipdc.uint", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_ipv4, { "IPv4 value", "ipdc.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_line_status, { "Line Status value", "ipdc.line_status", FT_UINT8, BASE_DEC, VALS(line_status_vals), 0x0, NULL, HFILL } }, { &hf_ipdc_channel_status, { "Channel Status value", "ipdc.channel_status", FT_UINT8, BASE_DEC, VALS(channel_status_vals), 0x0, NULL, HFILL } }, { &hf_ipdc_enctype, { "Enctype value", "ipdc.enctype", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_end_of_tags, { "end of tags", "ipdc.end_of_tags", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_data_trailing_end_of_tags, { "data trailing end of tags", "ipdc.data_trailing_end_of_tags", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_ipdc_type_unknown, { "Unknown type", "ipdc.type_unknown", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; static int *ett[] = { &ett_ipdc, &ett_ipdc_tag, &ett_ipdc_line_status, }; static ei_register_info ei[] = { { &ei_ipdc_ipv4, { "ipdc.ipv4.invalid_length", PI_PROTOCOL, PI_WARN, "Invalid IP address length", EXPFILL }}, }; module_t *ipdc_module; expert_module_t* expert_ipdc; proto_ipdc = proto_register_protocol("IP Device Control (SS7 over IP)", "IPDC", "ipdc"); proto_register_field_array(proto_ipdc, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_ipdc = expert_register_protocol(proto_ipdc); expert_register_field_array(expert_ipdc, ei, array_length(ei)); ipdc_module = prefs_register_protocol(proto_ipdc, NULL); prefs_register_bool_preference(ipdc_module, "desegment_ipdc_messages", "Reassemble IPDC messages spanning multiple TCP segments", "Whether the IPDC dissector should reassemble messages spanning multiple TCP segments." " To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.", &ipdc_desegment); ipdc_tcp_handle = register_dissector("ipdc", dissect_ipdc_tcp, proto_ipdc); } void proto_reg_handoff_ipdc(void) { q931_handle = find_dissector_add_dependency("q931", proto_ipdc); dissector_add_uint_with_preference("tcp.port", TCP_PORT_IPDC, ipdc_tcp_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */