diff options
author | Alexis La Goutte <alexis.lagoutte@gmail.com> | 2012-02-22 09:18:30 +0000 |
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committer | Alexis La Goutte <alexis.lagoutte@gmail.com> | 2012-02-22 09:18:30 +0000 |
commit | d9a4d939b39ae67bcd2bb7789297bd57f790c3b9 (patch) | |
tree | cb90ec5f6429ace5ed1366bb84cb78073f4588ce /epan/dissectors/packet-ua.c | |
parent | ad360ce0dd2545a217ce4b279f8235ba7892f6ec (diff) |
Reverse Revision 41134 (Need to fix error/warning before...)
svn path=/trunk/; revision=41135
Diffstat (limited to 'epan/dissectors/packet-ua.c')
-rw-r--r-- | epan/dissectors/packet-ua.c | 1072 |
1 files changed, 786 insertions, 286 deletions
diff --git a/epan/dissectors/packet-ua.c b/epan/dissectors/packet-ua.c index c05e58d8b5..e88cd8212d 100644 --- a/epan/dissectors/packet-ua.c +++ b/epan/dissectors/packet-ua.c @@ -1,335 +1,835 @@ /* packet-ua.c - * Routines for UA/UDP (Universal Alcatel over UDP) packet dissection. - * Copyright 2012, Alcatel-Lucent Enterprise <lars.ruoff@alcatel-lucent.com> - * - * $Id: - * - * Wireshark - Network traffic analyzer - * By Gerald Combs <gerald@wireshark.org> - * Copyright 1998 Gerald Combs - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ +* Routines for UA (Universal Alcatel) packet dissection. +* Copyright 2011, Marek Tews <marek@trx.com.pl> +* +* $Id$ +* +* Wireshark - Network traffic analyzer +* By Gerald Combs <gerald@wireshark.org> +* Copyright 1998 Gerald Combs +* +* Copied from WHATEVER_FILE_YOU_USED (where "WHATEVER_FILE_YOU_USED" +* is a dissector file; if you just copied this from README.developer, +* don't bother with the "Copied from" - you don't even need to put +* in a "Copied from" if you copied an existing dissector, especially +* if the bulk of the code in the new dissector is your code) +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include "epan/packet.h" -#include "epan/prefs.h" -#include "epan/tap.h" -#include "epan/value_string.h" -#include "epan/dissectors/packet-rtp.h" -#include "epan/dissectors/packet-rtcp.h" -#include <string.h> +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif + +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif -#include "packet-uaudp.h" +#include <epan/packet.h> + +static void DissectNOE(tvbuff_t *pTvb, proto_tree *pRootUA); +static void DissectNOE_type(tvbuff_t *pTvb, proto_tree *pNoeItem); +static void DissectNOE_voicemode(tvbuff_t *pTvb, proto_tree *pNoeItem); +static void DissectNOE_callserver(tvbuff_t *pTvb, proto_tree *pNoeItem); +static void DissectNOE_ip(tvbuff_t *pTvb, proto_tree *pNoeItem); +static void DissectNOE_ip_startrtp(tvbuff_t *pTvb, proto_tree *pNoeItem); +static void DissectNOE_ip_startrtp_properties(tvbuff_t *pTvb, proto_tree *pNoeItem); + +static void DissectTLV(tvbuff_t *pTvb, proto_tree *pNoeItem, gboolean bIsArrIndex); +static void DissectTLV_data(tvbuff_t *pTvb, proto_tree *pTlv, guint8 u8Property); + +/* +* Here are the global variables associated with +* the various user definable characteristics of the dissection +*/ + +/* Define the UA proto */ +static int proto_ua = -1; + +/* Define many header fields for UA (Universal Alcatel Protocol) */ +static int hf_noe = -1; +static int hf_noe_length = -1; +static int hf_noe_type = -1; +static int hf_noe_method = -1; +static int hf_noe_class = -1; +static int hf_noe_objid = -1; +static int hf_noe_event = -1; +static int hf_noe_keychar = -1; +static int hf_noe_action = -1; +static int hf_noe_reserved = -1; +static int hf_noe_property = -1; +static int hf_noe_id = -1; +static int hf_noe_size = -1; +static int hf_noe_local_port = -1; +static int hf_noe_remote_ip = -1; +static int hf_noe_remote_port = -1; +static int hf_noe_data = -1; +static int hf_noe_compressor = -1; +static int hf_noe_typeofservice = -1; +static int hf_noe_payloadconcat = -1; +static int hf_noe_voicemode = -1; + +static int hf_tlv = -1; +static int hf_tlv_property = -1; +static int hf_tlv_arrindex = -1; +static int hf_tlv_propsize = -1; +static int hf_tlv_label = -1; +static int hf_tlv_data = -1; +static int hf_tlv_year = -1; +static int hf_tlv_number = -1; + +/* Define the trees for UA (Universal Alcatel Protocol) */ +static int ett_ua = -1; + +static int ett_noe = -1; +static int ett_noe_property = -1; + +static int ett_tlv = -1; +static int ett_tlv_sub = -1; + + +/************************************************************ +* Value Strings +************************************************************/ + +/** +* NOE +*/ +static const value_string szNoeType[] = +{ + { 0x00, "Unknown" }, + { 0x01, "HandsetOffHook" }, + { 0x02, "HandsetOnHook" }, + { 0x03, "DigitDialed" }, + { 0x13, "IP" }, + { 0x15, "CallServer" }, + { 0x20, "KeyPushed" }, + { 0x21, "LedCmd" }, + { 0x27, "WriteLine1" }, + { 0x28, "WriteLine2" }, + { 0x29, "VoiceMode" }, + { 0x31, "SetClockComd" }, + { 0x35, "CursorBlink" }, + { 0x38, "ClockTimerPosition" }, + { 0x3a, "Error_0x3a" }, + { 0x3d, "SideTone" }, + { 0x3f, "Mute" }, + { 0x46, "AllIconsOff" }, + { 0x47, "IconsCmd" }, + { 0x48, "AmplifiedHandset" }, + { 0x49, "DPIConfiguration" }, + { 0x4a, "AudioPaddedPath" }, + { 0x4f, "Error_0x4f" }, + { 0, NULL } +}; + +static const value_string szCallServerMethod[] = +{ + { 0x00, "Create" }, + { 0x01, "Delete" }, + { 0x02, "SetProperty" }, + { 0x04, "Notify" }, + { 0, NULL } +}; + +static const value_string szCallServerClass[] = +{ + { 1, "Terminal" }, + { 5, "Leds" }, + { 6, "Screen" }, + { 7, "Date" }, + { 8, "AOMV" }, + { 12, "CallState" }, + { 128, "FrameBox" }, + { 129, "TabBox" }, + { 130, "ListBox" }, + { 132, "TextBox" }, + { 133, "ActionBox" }, + { 136, "DataBox" }, + { 137, "TimerBox" }, + { 144, "AOMVBox" }, + { 145, "TelephonicBox" }, + { 146, "KeyboardContext" }, + { 151, "TelephonicBoxItem" }, + { 158, "HeaderBox" }, + { 0, NULL } +}; + +static const value_string szCallServerEvent[] = +{ + { 2, "KeyPress" }, + { 4, "KeyShortPress" }, + { 6, "OnHook" }, + { 7, "OffHook" }, + { 128, "TabBox" }, + { 133, "ActionBox" }, + { 152, "DialogBoxDismissed" }, + { 0, NULL } +}; + +static const value_string szStartRtpPropID[] = +{ + { 0x00, "LocalUDPPort" }, + { 0x01, "RemoteIP" }, + { 0x02, "RemoteUDPPort" }, + { 0x03, "TypeOfService" }, + { 0x04, "Payload" }, + { 0x05, "PayloadConcatenation" }, /* in ms */ + { 0x06, "EchoCancelationEnabler" }, + { 0x07, "SilenceCompression" }, + { 0x08, "_802_1QUserPriority" }, + { 0x0A, "PostFiltering" }, + { 0x0B, "HighPassFilter" }, + { 0, NULL } +}; + +static const value_string szStartRtpPayload[] = +{ + { 0, "G.711 A-law" }, + { 1, "G.711 mu-law" }, + { 2, "G.723.1 5.3 kbps" }, + { 3, "G.723.1 6.3 kbps" }, + { 0x11, "G.729A 8kbps"}, + { 0, NULL } +}; + +static const value_string szNoeAction[] = +{ + { 0x01, "Start RTP" }, + { 0x02, "Stop RTP" }, + { 0, NULL } +}; +static const value_string szNoeVoiceMode[] = +{ + { 0x10, "Disable" }, + { 0x11, "Handset" }, + { 0x13, "Speaker" }, + { 0, NULL } +}; + +/** +* TLV PROPERTY +*/ +static const value_string szTlvProperty[] = +{ + { 8, "Count" }, + { 11, "NavigatorOwnerShip" }, + { 15, "NumpadEvent" }, + { 16, "Format_16" }, + { 18, "W" }, + { 19, "Hour" }, + { 24, "Year" }, + { 25, "Month" }, + { 26, "Day" }, + { 27, "Minutes" }, + { 28, "Seconds" }, + { 36, "AnchorID" }, + { 39, "Y" }, + { 40, "Visible" }, + { 42, "FontID" }, + { 44, "HAlign" }, + { 54, "Icon_54" }, + { 55, "Label" }, + { 56, "Value" }, + { 61, "Focus" }, + { 62, "State_62" }, + { 63, "Format_63" }, + { 76, "VSplit" }, + { 78, "RealCount" }, + { 79, "Start" }, + { 95, "_95" }, + { 131, "Key Ownership" }, + { 134, "Mode" }, + { 135, "Color" }, + { 137, "Icon_137" }, + { 138, "Label_138" }, + { 141, "State_141" }, + { 142, "Name" }, + { 143, "Number" }, + { 147, "Today" }, + { 148, "Tomorrow" }, + { 0, NULL } +}; + +/************************************************************ +* Check whether it can be protocol data +************************************************************/ +gboolean is_ua(tvbuff_t *tvb) +{ + gint nLen, iOffs; + gint nNoeLen; + nLen = tvb_length(tvb); + for(iOffs = 0; iOffs < nLen; ) + { + nNoeLen = tvb_get_letohs(tvb, iOffs) +2; + if(nNoeLen > nLen -iOffs) + return FALSE; + iOffs += nNoeLen; + } + return TRUE; +} -/*----------------------------------------------------------------------------- - GLOBALS - ---------------------------------------------------------------------------*/ -static int proto_ua_msg = -1; -static gint ett_ua_msg = -1; +/************************************************************ +* Dissectors +************************************************************/ -e_ua_direction message_direction; /* Uses to determine UA3G messages */ +/* +* DissectUA - The dissector for UA (Universal Alcatel Protocol) +*/ +static int DissectUA(tvbuff_t *pTvb, packet_info *pInfo, proto_tree *pTree) +{ + gint nLen, iOffs; + guint nNoeLen; + proto_item *pRootUA; + proto_tree *pSubTreeUA; + tvbuff_t *pTvbNoe; -static gboolean setup_conversations_enabled = TRUE; + /* Check whether it can be protocol data */ + if(!is_ua(pTvb)) + return 0; -static dissector_handle_t rtp_handle = NULL; -static dissector_handle_t rtcp_handle = NULL; + /* INFO column */ + col_append_str(pInfo->cinfo, COL_INFO, " - UA"); -extern gint find_terminal_port(guint port); + nLen = tvb_length(pTvb); + if(pTree) + { + /* root element "UA Protocol, ..." */ + pRootUA = proto_tree_add_item(pTree, proto_ua, pTvb, 0, -1, ENC_NA); + pSubTreeUA = proto_item_add_subtree(pRootUA, ett_ua); + /* NOE items */ + for(iOffs = 0; iOffs < nLen; ) + { + nNoeLen = tvb_get_letohs(pTvb, iOffs); + nNoeLen += 2; -extern void dhs2ua(char *p, const char *ptr, int opcode, int length); -extern void ua2dhs(char *p, const char *ptr, int opcode, int length); + pTvbNoe = tvb_new_subset(pTvb, iOffs, nNoeLen, nNoeLen); + DissectNOE(pTvbNoe, pSubTreeUA); + iOffs += nNoeLen; + } + } -static void uadecode(e_ua_direction direction, - proto_tree *tree, - packet_info *pinfo, - tvbuff_t *tvb, - gint offset, - gint opcode, - gint length) -{ - message_direction = direction; - - switch(opcode & 0x7f) /* suppression of the CP bit */ - { - case 0x15: - case 0x16: - { - call_dissector(find_dissector("noe"), - tvb_new_subset(tvb, offset, length, length), - pinfo, - tree); - break; - } - case 0x00: - case 0x01: - case 0x02: - case 0x03: - case 0x04: - case 0x05: - case 0x06: - case 0x07: /* Only UA NOE */ - case 0x08: /* Only UA NOE */ - case 0x09: - case 0x0A: - case 0x0B: - case 0x0C: - case 0x0D: - case 0x0E: - case 0x0F: - case 0x11: - case 0x12: - case 0x13: - case 0x14: - case 0x17: - case 0x18: - case 0x1F: /* case 0x9F */ - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: /* Only IP NOE */ - case 0x25: /* Only IP NOE */ - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: /* Only UA NOE */ - case 0x2C: - case 0x2D: - case 0x2E: - case 0x30: - case 0x31: - case 0x32: /* Only UA NOE */ - case 0x33: - case 0x35: - case 0x36: /* IP Phone */ - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: /* Only UA NOE */ - { - call_dissector(find_dissector("ua3g"), - tvb_new_subset(tvb, offset, length, length), - pinfo, - tree); - break; - } - default: - { - /* add text to the frame "INFO" column */ - if (check_col(pinfo->cinfo, COL_INFO)) - col_append_fstr(pinfo->cinfo, COL_INFO, " - UA3G Message ERR: Opcode Unknown"); - - proto_tree_add_text(tree, - tvb, - offset, - length, - "Opcode Unknown 0x%02x", - tvb_get_guint8(tvb, (offset + 2))); - break; - } - } + return nLen; } - -/*----------------------------------------------------------------------------- - UA DISSECTOR - ---------------------------------------------------------------------------*/ -static void _dissect_ua_msg(tvbuff_t *tvb, - packet_info *pinfo, - proto_tree *tree, - e_ua_direction direction) +/********************************************** +* NOE section +*********************************************** +Noe +NoeVoiceMode +NoeMute +NoeIP +NoeIPStartRTP +NoeCallServer +NoeCallServerCreate +NoeCallServerSetProperty +NoeCallServerNotify +NoeCallServerNotifyKeyPress +NoeCallServerNotifyKeyShortPress +***********************************************/ +static void DissectNOE(tvbuff_t *pTvb, proto_tree *pRootUA) { - proto_item *ua_msg_item = NULL; - proto_tree *ua_msg_tree = NULL; - gint offset = 0; - gint length = 0; - gint opcode = 0; - gint suboffset = 0; - address remote_rtp_addr; - guint32 remote_rtp_port = 0; - - if(tree) - { - ua_msg_item = proto_tree_add_protocol_format(tree, proto_ua_msg, tvb, 0, -1, - "Universal Alcatel Protocol, %s", - ((direction == SYS_TO_TERM) ? - "System -> Terminal" : "Terminal -> System")); - - ua_msg_tree = proto_item_add_subtree(ua_msg_item, ett_ua_msg); - - while (tvb_offset_exists(tvb, offset)) - { - length = (tvb_get_guint8(tvb, offset+0) + - tvb_get_guint8(tvb, offset+1) * 256) + 2; - - opcode = tvb_get_guint8(tvb, offset+2); - - /* RTP/RTCP conversation setup */ - if(setup_conversations_enabled && opcode==0x13 && tvb_get_guint8(tvb, offset+3)==0x01) - { - /* StartRTP */ - suboffset = offset+5; - remote_rtp_addr.data = NULL; - - while(suboffset < offset+length) - { - switch(tvb_get_guint8(tvb, suboffset)) - { - case 0x00: /* local port */ - { - /*local_rtp_port = tvb_get_ntohs(tvb, suboffset+2);*/ - break; - } - case 0x01: /* remote IP */ - { - remote_rtp_addr.type=AT_IPv4; - remote_rtp_addr.len=4; - remote_rtp_addr.data=tvb_get_ptr(tvb, suboffset+2, 4); - break; - } - case 0x02: /* remote port */ - { - remote_rtp_port = tvb_get_ntohs(tvb, suboffset+2); - break; - } - } - - suboffset += tvb_get_guint8(tvb, suboffset+1) + 2; - } - - if(remote_rtp_addr.data!=NULL && remote_rtp_port!=0) - { - if(rtp_handle) - { - rtp_add_address(pinfo, &remote_rtp_addr, remote_rtp_port, 0, - "UA", pinfo->fd->num, 0, NULL); - } - if(rtcp_handle) - { - rtcp_add_address(pinfo, &remote_rtp_addr, remote_rtp_port+1, 0, - "UA", pinfo->fd->num); - } - } - } - - uadecode(direction, ua_msg_tree, pinfo, tvb, offset, opcode, length); - - offset += length; - } - } + proto_item *pNoeItem = proto_tree_add_item(pRootUA, hf_noe, pTvb, 0, -1, ENC_NA); + if(pNoeItem) + { + proto_tree* pSubTreeNOE; + + pSubTreeNOE = proto_item_add_subtree(pNoeItem, ett_noe); + proto_tree_add_item(pSubTreeNOE, hf_noe_length, pTvb, 0, 2, ENC_LITTLE_ENDIAN); + DissectNOE_type(tvb_new_subset_remaining(pTvb, 2), pSubTreeNOE); + } } +static void DissectNOE_type(tvbuff_t *pTvb, proto_tree *pNoeItem) +{ + proto_item_append_text(pNoeItem, ": %s", val_to_str_const(tvb_get_guint8(pTvb, 0), szNoeType, "Unknown")); + proto_tree_add_item(pNoeItem, hf_noe_type, pTvb, 0, 1, ENC_NA); + + switch(tvb_get_guint8(pTvb, 0)) + { + case 0x13: /*IP*/ + { + DissectNOE_ip(tvb_new_subset_remaining(pTvb, 1), pNoeItem); + break; + } + case 0x15: /*CallServer*/ + { + DissectNOE_callserver(tvb_new_subset_remaining(pTvb, 1), pNoeItem); + break; + } + case 0x29: /*VoiceMode*/ + { + DissectNOE_voicemode(tvb_new_subset_remaining(pTvb, 1), pNoeItem); + break; + } + } +} -static void dissect_ua_sys_to_term(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +static void DissectNOE_voicemode(tvbuff_t *pTvb, proto_tree *pNoeItem) { - _dissect_ua_msg(tvb, pinfo, tree, SYS_TO_TERM); + proto_tree_add_item(pNoeItem, hf_noe_voicemode, pTvb, 0, 1, ENC_NA); + if(tvb_length(pTvb) > 1) + proto_tree_add_item(pNoeItem, hf_noe_data, pTvb, 1, -1, ENC_NA); } -static void dissect_ua_term_to_sys(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +static void DissectNOE_callserver(tvbuff_t *pTvb, proto_tree *pNoeItem) { - _dissect_ua_msg(tvb, pinfo, tree, TERM_TO_SYS); + tvbuff_t *pTvbTlv; + + gint nLen; + guint8 u8Method; + + nLen = tvb_length(pTvb); + u8Method = tvb_get_guint8(pTvb, 0); + + proto_item_append_text(pNoeItem, ", %s", val_to_str(u8Method, szCallServerMethod, "Unknown")); + proto_tree_add_item(pNoeItem, hf_noe_method, pTvb, 0, 1, ENC_NA); + + switch(u8Method) + { + case 0x00: /*Create*/ + case 0x01: /*Delete*/ + case 0x02: /*SetProperty*/ + { + guint8 u8Class; gint iOffs; + + u8Class = tvb_get_guint8(pTvb, 1); + proto_item_append_text(pNoeItem, ", %s", val_to_str(u8Class, szCallServerClass, "Unknown")); + proto_tree_add_item(pNoeItem, hf_noe_class, pTvb, 1, 1, ENC_NA); + + iOffs = 2; + if(u8Class >= 100) + { + proto_item_append_text(pNoeItem, ", Id(0x%04x)", tvb_get_ntohs(pTvb, 2)); + proto_tree_add_item(pNoeItem, hf_noe_objid, pTvb, 2, 2, ENC_LITTLE_ENDIAN); + iOffs += 2; + } + + /* TLV items */ + for(; iOffs < nLen; ) + { + guint nTlvLen; + guint8 nTlvProperty; + gboolean bIsArrIndex; + + nTlvProperty = tvb_get_guint8(pTvb, iOffs); + /* for property of more than 100 and equal 104 or 120 before the field is still arrindex propsize */ + if((nTlvProperty < 100) || (nTlvProperty == 104) || (nTlvProperty == 120)) + { + nTlvLen = tvb_get_guint8(pTvb, iOffs+1); + nTlvLen += 2; + bIsArrIndex = FALSE; + } + else + { + nTlvLen = tvb_get_guint8(pTvb, iOffs+2); + nTlvLen += 3; + bIsArrIndex = TRUE; + } + pTvbTlv = tvb_new_subset(pTvb, iOffs, nTlvLen, nTlvLen); + DissectTLV(pTvbTlv, pNoeItem, bIsArrIndex); + + iOffs += nTlvLen; + } + break; + } + case 0x04: /*Notify*/ + { + guint8 u8Event; + + u8Event = tvb_get_guint8(pTvb, 1); + proto_tree_add_item(pNoeItem, hf_noe_event, pTvb, 1, 1, ENC_NA); + + switch(u8Event) + { + case 2: /*KeyPress*/ + { + proto_tree_add_item(pNoeItem, hf_noe_keychar, pTvb, 2, -1, ENC_NA); + break; + } + case 4: /*KeyShortPress*/ + { + proto_tree_add_item(pNoeItem, hf_noe_keychar, pTvb, 2, 2, ENC_NA); + break; + } + } + break; + } + } } +static void DissectNOE_ip(tvbuff_t *pTvb, proto_tree *pNoeItem) +{ + guint8 u8Action; + + /* Action */ + u8Action = tvb_get_guint8(pTvb, 0); + proto_item_append_text(pNoeItem, " %s", val_to_str(u8Action, szNoeAction, "Unknown")); + proto_tree_add_item(pNoeItem, hf_noe_action, pTvb, 0, 1, ENC_NA); -/*----------------------------------------------------------------------------- - DISSECTORS REGISTRATION FUNCTIONS - ---------------------------------------------------------------------------*/ -static guint prefs_initialized = FALSE; + switch(u8Action) + { + case 0x01: /*Start RTP*/ + { + DissectNOE_ip_startrtp(tvb_new_subset_remaining(pTvb, 1), pNoeItem); + break; + } + case 0x02: /*Stop RTP*/ + { + break; + } + } +} -void proto_reg_handoff_ua_msg(void) +static void DissectNOE_ip_startrtp(tvbuff_t *pTvb, proto_tree *pNoeItem) { - static gboolean prefs_initialized = FALSE; - dissector_handle_t handle_ua_msg; + gint nLen, iOffs; + nLen = tvb_length(pTvb); - if(!prefs_initialized) + /*Reserved*/ + proto_tree_add_item(pNoeItem, hf_noe_reserved, pTvb, 0, 1, ENC_NA); + + /*Properties*/ + for(iOffs = 1; iOffs < nLen; ) { - /* hooking of UA on UAUDP */ - register_dissector_table("uaudp.opcode", - "UAUDP opcode", - FT_UINT8, - BASE_DEC); - - handle_ua_msg = find_dissector("ua_sys_to_term"); - dissector_add("uaudp.opcode", UAUDP_DATA, handle_ua_msg); - - handle_ua_msg = find_dissector("ua_term_to_sys"); - dissector_add("uaudp.opcode", UAUDP_DATA, handle_ua_msg); - prefs_initialized = TRUE; + guint u8PropSize; + tvbuff_t *pTvbTlv; + + u8PropSize = tvb_get_guint8(pTvb, iOffs+1) + 2; + pTvbTlv = tvb_new_subset(pTvb, iOffs, u8PropSize, u8PropSize); + + DissectNOE_ip_startrtp_properties(pTvbTlv, pNoeItem); + iOffs += u8PropSize; } } +static void DissectNOE_ip_startrtp_properties(tvbuff_t *pTvb, proto_tree *pNoeItem) +{ + proto_item *pProp; + + pProp = proto_tree_add_item(pNoeItem, hf_noe_property, pTvb, 0, -1, ENC_NA); + if(pProp) + { + guint8 u8ID, u8Size; + proto_tree* pSubTreeProp; + + pSubTreeProp = proto_item_add_subtree(pProp, ett_noe_property); + /*ID*/ + u8ID = tvb_get_guint8(pTvb, 0); + proto_item_append_text(pProp, " - %25s", val_to_str(u8ID, szStartRtpPropID, "Unknown")); + proto_tree_add_item(pSubTreeProp, hf_noe_id, pTvb, 0, 1, ENC_NA); + + /*SIZE*/ + u8Size = tvb_get_guint8(pTvb, 1); + proto_tree_add_item(pSubTreeProp, hf_noe_size, pTvb, 1, 1, ENC_NA); + + /*data*/ + switch(u8ID) + { + default: + { + proto_item_append_text(pProp, ": %s", tvb_bytes_to_str(pTvb, 2, u8Size)); + proto_tree_add_item(pSubTreeProp, hf_noe_data, pTvb, 2, -1, ENC_NA); + break; + } + case 0x00: /*LocalUDPPort*/ + { + proto_item_append_text(pProp, ": %u", tvb_get_ntohs(pTvb, 2)); + proto_tree_add_item(pSubTreeProp, hf_noe_local_port, pTvb, 2, 2, ENC_BIG_ENDIAN); + break; + } + case 0x01: /*RemoteIP*/ + { + proto_item_append_text(pProp, ": %s", tvb_ip_to_str(pTvb, 2)); + proto_tree_add_item(pSubTreeProp, hf_noe_remote_ip, pTvb, 2, 4, ENC_NA); + break; + } + case 0x02: /*RemoteUDPPort*/ + { + proto_item_append_text(pProp, ": %u", tvb_get_ntohs(pTvb, 2)); + proto_tree_add_item(pSubTreeProp, hf_noe_remote_port, pTvb, 2, 2, ENC_BIG_ENDIAN); + break; + } + case 0x03: /*TypeOfService*/ + { + proto_item_append_text(pProp, ": %u", tvb_get_guint8(pTvb, 2)); + proto_tree_add_item(pSubTreeProp, hf_noe_typeofservice, pTvb, 2, 1, ENC_NA); + break; + } + case 0x04: /*Payload*/ + { + proto_item_append_text(pProp, ": %s", val_to_str_const(tvb_get_guint8(pTvb, 2), szStartRtpPayload, "Unknown")); + proto_tree_add_item(pSubTreeProp, hf_noe_compressor, pTvb, 2, 1, ENC_NA); + break; + } + case 0x05: /*PayloadConcatenation*/ + { + proto_item_append_text(pProp, ": %u ms", tvb_get_guint8(pTvb, 2)); + proto_tree_add_item(pSubTreeProp, hf_noe_payloadconcat, pTvb, 2, 1, ENC_NA); + break; + } + } + } +} -void proto_register_ua_msg(void) +/*********************************************** +* TLV section +***********************************************/ +static void DissectTLV(tvbuff_t *pTvb, proto_tree *pNoeItem, gboolean bIsArrIndex) { - module_t *ua_msg_module; + proto_item *pTlv; - static gint *ett[] = - { - &ett_ua_msg, - }; + pTlv = proto_tree_add_item(pNoeItem, hf_tlv, pTvb, 0, -1, ENC_NA); + if(pTlv) + { + gint iOffs; + guint8 u8Property, u8PropSize; + proto_tree* pSubTreeTLV; + + iOffs = 0; + pSubTreeTLV = proto_item_add_subtree(pTlv, ett_tlv); + u8Property = tvb_get_guint8(pTvb, iOffs); + proto_item_append_text(pTlv, "%u %s ", u8Property, val_to_str(u8Property, szTlvProperty, "Unknown")); + proto_tree_add_item(pSubTreeTLV, hf_tlv_property, pTvb, iOffs++, 1, ENC_NA); + + if(bIsArrIndex) + proto_tree_add_item(pTlv, hf_tlv_arrindex, pTvb, iOffs++, 1, ENC_NA); + + u8PropSize = tvb_get_guint8(pTvb, iOffs); + proto_tree_add_item(pSubTreeTLV, hf_tlv_propsize, pTvb, iOffs++, 1, ENC_NA); - /* used for StartRTP conversation setup */ - rtp_handle = find_dissector("rtp"); - rtcp_handle = find_dissector("rtcp"); + if(u8PropSize > 0) + DissectTLV_data(tvb_new_subset(pTvb, iOffs, u8PropSize, u8PropSize), pSubTreeTLV, u8Property); + } +} + +/* TLV DATA */ +static void DissectTLV_data(tvbuff_t *pTvb, proto_tree *pTlv, guint8 u8Property) +{ + proto_tree* pNoeItem; + switch(u8Property) + { + default: + { + proto_item_append_text(pTlv, "%s", tvb_bytes_to_str(pTvb, 0, tvb_length(pTvb))); + proto_tree_add_item(pTlv, hf_tlv_data, pTvb, 0, -1, ENC_NA); + break; + } + + case 24: /*Year*/ + { + proto_item_append_text(pTlv, "%u", tvb_get_ntohs(pTvb, 0)); + proto_tree_add_item(pTlv, hf_tlv_year, pTvb, 0, 2, ENC_BIG_ENDIAN); + break; + } + + case 55: /*Label*/ + case 138: /*Label_138*/ + { + proto_item_append_text(pTlv, "'%s'", tvb_get_ephemeral_string(pTvb, 0, tvb_length(pTvb))); + proto_tree_add_item(pTlv, hf_tlv_label, pTvb, 0, -1, ENC_ASCII|ENC_NA); + + /* append text on NOE level */ + pNoeItem = proto_item_get_parent(pTlv); + proto_item_append_text(pNoeItem, ", Label='%s'", tvb_get_ephemeral_string(pTvb, 0, tvb_length(pTvb))); + break; + } + + case 143: /*Phone number*/ + { + proto_item_append_text(pTlv, "%s", tvb_get_ephemeral_string(pTvb, 0, tvb_length(pTvb))); + proto_tree_add_item(pTlv, hf_tlv_number, pTvb, 0, -1, ENC_NA); + break; + } + + case 147: /*Today*/ + case 148: /*Tomorrow*/ + { + proto_item_append_text(pTlv, "'%s'", tvb_get_ephemeral_string(pTvb, 0, tvb_length(pTvb))); + proto_tree_add_item(pTlv, hf_tlv_data, pTvb, 0, -1, ENC_NA); + break; + } + } +} - /* UA dissector registration */ - proto_ua_msg = proto_register_protocol("Universal Alcatel Protocol", "UA", "ua"); - register_dissector("ua_sys_to_term", dissect_ua_sys_to_term, proto_ua_msg); - register_dissector("ua_term_to_sys", dissect_ua_term_to_sys, proto_ua_msg); - /* Common subtree array registration */ - proto_register_subtree_array(ett, array_length(ett)); +/* Register all the bits needed by the filtering engine */ +void proto_register_ua(void) +{ + static hf_register_info hf[] = + { + { &hf_noe, + { "NOE", "ua.noe", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + { &hf_noe_length, + { "Length", "ua.noe.length", + FT_UINT16, BASE_DEC, NULL, 0x0, + "NOE item length (without 2 bytes containing the length)", HFILL }}, + { &hf_noe_type, + { "Type", "ua.noe.type", + FT_UINT8, BASE_DEC, VALS(szNoeType), 0x0, + "NOE item type", HFILL }}, + { &hf_noe_method, + { "Method", "ua.noe.method", + FT_UINT8, BASE_DEC, VALS(szCallServerMethod), 0x0, + "Call Server method", HFILL }}, + { &hf_noe_class, + { "Class", "ua.noe.class", + FT_UINT8, BASE_DEC, VALS(szCallServerClass), 0x0, + "Call Server class", HFILL }}, + { &hf_noe_objid, + { "ObjectID", "ua.noe.objid", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + "Call Server object id", HFILL }}, + { &hf_noe_event, + { "Event", "ua.noe.event", + FT_UINT8, BASE_DEC, VALS(szCallServerEvent), 0x0, + "Call Server event", HFILL }}, + { &hf_noe_keychar, + { "KeyChar", "ua.noe.event.keychar", + FT_BYTES, BASE_NONE, NULL, 0x0, + "Event key char", HFILL }}, + { &hf_noe_voicemode, + { "VoiceMode", "ua.noe.voicemode", + FT_UINT8, BASE_DEC, VALS(szNoeVoiceMode), 0x0, + NULL, HFILL }}, + + { &hf_noe_action, + { "Action", "ua.noe.action", + FT_UINT8, BASE_DEC, VALS(szNoeAction), 0x0, + "IP action", HFILL }}, + { &hf_noe_reserved, + { "Reserved", "ua.noe.action.startrtp.reserved", + FT_UINT8, BASE_DEC, NULL, 0x0, + "IP start rtp reserved", HFILL }}, + { &hf_noe_property, + { "Property", "ua.noe.action.startrtp.property", + FT_NONE, BASE_NONE, NULL, 0x0, + "IP property", HFILL }}, + { &hf_noe_id, + { "ID", "ua.noe.action.startrtp.property.id", + FT_UINT8, BASE_DEC, VALS(szStartRtpPropID), 0x0, + "IP property id", HFILL }}, + { &hf_noe_size, + { "Size", "ua.noe.action.startrtp.property.size", + FT_UINT8, BASE_DEC, NULL, 0x0, + "IP property size", HFILL }}, + { &hf_noe_data, + { "Data", "ua.noe.action.startrtp.data", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + + { &hf_noe_local_port, + { "LocalPort", "ua.noe.action.startrtp.localport", + FT_UINT16, BASE_DEC, NULL, 0x0, + "IP start rtp property localport", HFILL }}, + { &hf_noe_remote_ip, + { "RemoteIP", "ua.noe.action.startrtp.remoteip", + FT_IPv4, BASE_NONE, NULL, 0x0, + "IP start rtp property remote ipv4", HFILL }}, + { &hf_noe_remote_port, + { "RemotePort", "ua.noe.action.startrtp.remoteport", + FT_UINT16, BASE_DEC, NULL, 0x0, + "IP start rtp property remoteport", HFILL }}, + { &hf_noe_compressor, + { "Payload", "ua.noe.action.startrtp.payload", + FT_UINT8, BASE_DEC, VALS(szStartRtpPayload), 0x0, + "IP start rtp property payload", HFILL }}, + { &hf_noe_typeofservice, + { "TypeOfService", "ua.noe.action.startrtp.typeofservice", + FT_UINT8, BASE_DEC, NULL, 0x0, + "IP start rtp property type of service", HFILL }}, + { &hf_noe_payloadconcat, + { "Payld Concat", "ua.noe.action.startrtp.payldconcat", + FT_UINT8, BASE_DEC, NULL, 0x0, + "IP start rtp property payload concatenation (in ms)", HFILL }}, + + { &hf_tlv, + { "TLV", "ua.noe.tlv", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + { &hf_tlv_property, + { "Property", "ua.noe.tlv.property", + FT_UINT8, BASE_DEC, VALS(szTlvProperty), 0x0, + "TLV property", HFILL }}, + { &hf_tlv_arrindex, + { "ArrIndex", "ua.noe.tlv.arrindex", + FT_UINT8, BASE_DEC, NULL, 0x0, + "TLV array index", HFILL }}, + { &hf_tlv_propsize, + { "PropSize", "ua.noe.tlv.propsize", + FT_UINT8, BASE_DEC, NULL, 0x0, + "TLV property size", HFILL }}, + { &hf_tlv_data, + { "Data", "ua.noe.tlv.data", + FT_BYTES, BASE_NONE, NULL, 0x0, + "TLV data", HFILL }}, + { &hf_tlv_label, + { "Label", "ua.noe.tlv.label", + FT_STRING, BASE_NONE, NULL, 0x0, + "TLV label", HFILL }}, + { &hf_tlv_year, + { "Year", "ua.noe.tlv.year", + FT_UINT16, BASE_DEC, NULL, 0x0, + "TLV year", HFILL }}, + { &hf_tlv_number, + { "Number", "ua.noe.tlv.number", + FT_STRING, BASE_NONE, NULL, 0x0, + "TLV remote phone number", HFILL }}, + }; + static gint *ett[] = + { + &ett_ua, + &ett_noe, + &ett_noe_property, + &ett_tlv, + &ett_tlv_sub, + }; + + proto_ua = proto_register_protocol("UA Protocol (Universal Alcatel Protocol)", "UA", "ua"); + proto_register_field_array(proto_ua, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} - /* Register preferences */ - ua_msg_module = prefs_register_protocol(proto_ua_msg, proto_reg_handoff_ua_msg); - prefs_register_bool_preference(ua_msg_module, "setup_conversations", - "Setup RTP/RTCP conversations on Start RTP", - "Setup RTP/RTCP conversations when parsing Start RTP messages", - &setup_conversations_enabled); +/* The registration hand-off routine is called at startup */ +void proto_reg_handoff_ua(void) +{ + dissector_handle_t hDis = new_create_dissector_handle(DissectUA, proto_ua); + dissector_add_uint("uaudp.opcode", 7, hDis); } +/* +* Editor modelines - http://www.wireshark.org/tools/modelines.html +* +* Local variables: +* c-basic-offset: 4 +* tab-width: 8 +* indent-tabs-mode: nil +* End: +* +* ex: set shiftwidth=4 tabstop=8 expandtab: +* :indentSize=4:tabSize=8:noTabs=true: +*/ |