/* packet-mmse.c * Routines for MMS Message Encapsulation dissection * Copyright 2001, Tom Uijldert * Copyright 2004, Olivier Biot * * $Id: packet-mmse.c,v 1.35 2004/05/05 03:05:52 gerald Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * 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. * ---------- * * Dissector of an encoded Multimedia message PDU, as defined by the WAPForum * (http://www.wapforum.org) in "WAP-209-MMSEncapsulation-20020105-a". * Subsequent releases of MMS are in control of the Open Mobile Alliance (OMA): * Dissection of MMS 1.1 as in OMA-MMS-ENC-v1.1. * Dissection of MMS 1.2 as in OMA-MMS-ENC-v1.2 (not finished yet). */ /* This file has been edited with 8-space tabs and 4-space indentation */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include "packet-wap.h" #include "packet-wsp.h" /* #include "packet-mmse.h" */ /* We autoregister */ #define MM_QUOTE 0x7F /* Quoted string */ #define MMS_CONTENT_TYPE 0x3E /* WINA-value for mms-message */ /* General-purpose debug logger. * Requires double parentheses because of variable arguments of printf(). * * Enable debug logging for MMSE by defining AM_CFLAGS * so that it contains "-DDEBUG_mmse" */ #ifdef DEBUG_mmse #define DebugLog(x) \ printf("%s:%u: ", __FILE__, __LINE__); \ printf x; \ fflush(stdout) #else #define DebugLog(x) ; #endif /* * Forward declarations */ static void dissect_mmse_standalone(tvbuff_t *, packet_info *, proto_tree *); static void dissect_mmse_encapsulated(tvbuff_t *, packet_info *, proto_tree *); static void dissect_mmse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 pdut, char *message_type); /* * Header field values */ /* MMS 1.0 */ #define MM_BCC_HDR 0x81 /* Bcc */ #define MM_CC_HDR 0x82 /* Cc */ #define MM_CLOCATION_HDR 0x83 /* X-Mms-Content-Location */ #define MM_CTYPE_HDR 0x84 /* Content-Type */ #define MM_DATE_HDR 0x85 /* Date */ #define MM_DREPORT_HDR 0x86 /* X-Mms-Delivery-Report */ #define MM_DTIME_HDR 0x87 /* X-Mms-Delivery-Time */ #define MM_EXPIRY_HDR 0x88 /* X-Mms-Expiry */ #define MM_FROM_HDR 0x89 /* From */ #define MM_MCLASS_HDR 0x8A /* X-Mms-Message-Class */ #define MM_MID_HDR 0x8B /* Message-ID */ #define MM_MTYPE_HDR 0x8C /* X-Mms-Message-Type */ #define MM_VERSION_HDR 0x8D /* X-Mms-MMS-Version */ #define MM_MSIZE_HDR 0x8E /* X-Mms-Message-Size */ #define MM_PRIORITY_HDR 0x8F /* X-Mms-Priority */ #define MM_RREPLY_HDR 0x90 /* X-Mms-Read-Reply */ #define MM_RALLOWED_HDR 0x91 /* X-Mms-Report-Allowed */ #define MM_RSTATUS_HDR 0x92 /* X-Mms-Response-Status */ #define MM_RTEXT_HDR 0x93 /* X-Mms-Response-Text */ #define MM_SVISIBILITY_HDR 0x94 /* X-Mms-Sender-Visibility */ #define MM_STATUS_HDR 0x95 /* X-Mms-Status */ #define MM_SUBJECT_HDR 0x96 /* Subject */ #define MM_TO_HDR 0x97 /* To */ #define MM_TID_HDR 0x98 /* X-Mms-Transaction-Id */ /* MMS 1.1 */ #define MM_RETRIEVE_STATUS_HDR 0x99 /* X-Mms-Retrieve-Status */ #define MM_RETRIEVE_TEXT_HDR 0x9A /* X-Mms-Retrieve-Text */ #define MM_READ_STATUS_HDR 0x9B /* X-Mms-Read-Status */ #define MM_REPLY_CHARGING_HDR 0x9C /* X-Mms-Reply-Charging */ #define MM_REPLY_CHARGING_DEADLINE_HDR \ 0x9D /* X-Mms-Reply-Charging-Deadline*/ #define MM_REPLY_CHARGING_ID_HDR \ 0x9E /* X-Mms-Reply-Charging-ID */ #define MM_REPLY_CHARGING_SIZE_HDR \ 0x9F /* X-Mms-Reply-Charging-Size */ #define MM_PREV_SENT_BY_HDR 0xA0 /* X-Mms-Previously-Sent-By */ #define MM_PREV_SENT_DATE_HDR 0xA1 /* X-Mms-Previously-Sent-Date */ /* MMS 1.2 */ #define MM_STORE_HDR 0xA2 /* X-Mms-Store */ #define MM_MM_STATE_HDR 0xA3 /* X-Mms-MM-State */ #define MM_MM_FLAGS_HDR 0xA4 /* X-Mms-MM-Flags */ #define MM_STORE_STATUS_HDR 0xA5 /* X-Mms-Store-Status */ #define MM_STORE_STATUS_TEXT_HDR \ 0xA6 /* X-Mms-Store-Status-Text */ #define MM_STORED_HDR 0xA7 /* X-Mms-Stored */ #define MM_ATTRIBUTES_HDR 0xA8 /* X-Mms-Attributes */ #define MM_TOTALS_HDR 0xA9 /* X-Mms-Totals */ #define MM_MBOX_TOTALS_HDR 0xAA /* X-Mms-Mbox-Totals */ #define MM_QUOTAS_HDR 0xAB /* X-Mms-Quotas */ #define MM_MBOX_QUOTAS_HDR 0xAC /* X-Mms-Mbox-Quotas */ #define MM_MBOX_MSG_COUNT_HDR 0xAD /* X-Mms-Message-Count */ #define MM_CONTENT_HDR 0xAE /* Content */ #define MM_START_HDR 0xAF /* X-Mms-Start */ #define MM_ADDITIONAL_HDR 0xB0 /* Additional-headers */ #define MM_DISTRIBUION_IND_HDR 0xB1 /* X-Mms-Distribution-Indcator */ #define MM_ELEMENT_DESCR_HDR 0xB2 /* X-Mms-Element-Descriptor */ #define MM_LIMIT_HDR 0xB3 /* X-Mms-Limit */ static const value_string vals_mm_header_names[] = { /* MMS 1.0 */ { MM_BCC_HDR, "Bcc" }, { MM_CC_HDR, "Cc" }, { MM_CLOCATION_HDR, "X-Mms-Content-Location" }, { MM_CTYPE_HDR, "X-Mms-Content-Type" }, { MM_DATE_HDR, "Date" }, { MM_DREPORT_HDR, "X-Mms-Delivery-Report" }, { MM_DTIME_HDR, "X-Mms-Delivery-Time" }, { MM_EXPIRY_HDR, "X-Mms-Expiry" }, { MM_FROM_HDR, "From" }, { MM_MCLASS_HDR, "X-Mms-Message-Class" }, { MM_MID_HDR, "Message-ID" }, { MM_MTYPE_HDR, "X-Mms-Message-Type" }, { MM_VERSION_HDR, "X-Mms-MMS-Version" }, { MM_MSIZE_HDR, "X-Mms-Message-Size" }, { MM_PRIORITY_HDR, "X-Mms-Priority" }, { MM_RREPLY_HDR, "X-Mms-Read-Reply" }, { MM_RALLOWED_HDR, "X-Mms-Report-Allowed" }, { MM_RSTATUS_HDR, "X-Mms-Response-Status" }, { MM_RTEXT_HDR, "X-Mms-Response-Text" }, { MM_SVISIBILITY_HDR, "X-Mms-Sender-Visibility" }, { MM_STATUS_HDR, "X-Mms-Status" }, { MM_SUBJECT_HDR, "Subject" }, { MM_TO_HDR, "To" }, { MM_TID_HDR, "X-Mms-Transaction-Id" }, /* MMS 1.1 */ { MM_RETRIEVE_STATUS_HDR, "X-Mms-Retrieve-Status" }, { MM_RETRIEVE_TEXT_HDR, "X-Mms-Retrieve-Text" }, { MM_READ_STATUS_HDR, "X-Mms-Read-Status" }, { MM_REPLY_CHARGING_HDR, "X-Mms-Reply-Charging" }, { MM_REPLY_CHARGING_DEADLINE_HDR, "X-Mms-Reply-Charging-Deadline" }, { MM_REPLY_CHARGING_ID_HDR, "X-Mms-Reply-Charging-ID" }, { MM_REPLY_CHARGING_SIZE_HDR, "X-Mms-Reply-Charging-Size" }, { MM_PREV_SENT_BY_HDR, "X-Mms-Previously-Sent-By" }, { MM_PREV_SENT_DATE_HDR, "X-Mms-Previously-Sent-Date" }, /* MMS 1.2 */ { MM_STORE_HDR, "X-Mms-Store" }, { MM_MM_STATE_HDR, "X-Mms-MM-State " }, { MM_MM_FLAGS_HDR, "X-Mms-MM-Flags " }, { MM_STORE_STATUS_HDR, "X-Mms-Store-Status" }, { MM_STORE_STATUS_TEXT_HDR, "X-Mms-Store-Status-Text" }, { MM_STORED_HDR, "X-Mms-Stored" }, { MM_ATTRIBUTES_HDR, "X-Mms-Attributes" }, { MM_TOTALS_HDR, "X-Mms-Totals" }, { MM_MBOX_TOTALS_HDR, "X-Mms-Mbox-Totals" }, { MM_QUOTAS_HDR, "X-Mms-Quotas" }, { MM_MBOX_QUOTAS_HDR, "X-Mms-Mbox-Quotas" }, { MM_MBOX_MSG_COUNT_HDR, "X-Mms-Message-Count" }, { MM_CONTENT_HDR, "Content" }, { MM_START_HDR, "X-Mms-Start" }, { MM_ADDITIONAL_HDR, "Additional-headers" }, { MM_DISTRIBUION_IND_HDR, "X-Mms-Distribution-Indcator" }, { MM_ELEMENT_DESCR_HDR, "X-Mms-Element-Descriptor" }, { MM_LIMIT_HDR, "X-Mms-Limit" }, { 0x00, NULL }, }; /* * Initialize the protocol and registered fields */ static int proto_mmse = -1; static int hf_mmse_message_type = -1; static int hf_mmse_transaction_id = -1; static int hf_mmse_mms_version = -1; static int hf_mmse_bcc = -1; static int hf_mmse_cc = -1; static int hf_mmse_content_location = -1; static int hf_mmse_date = -1; static int hf_mmse_delivery_report = -1; static int hf_mmse_delivery_time_abs = -1; static int hf_mmse_delivery_time_rel = -1; static int hf_mmse_expiry_abs = -1; static int hf_mmse_expiry_rel = -1; static int hf_mmse_from = -1; static int hf_mmse_message_class_id = -1; static int hf_mmse_message_class_str = -1; static int hf_mmse_message_id = -1; static int hf_mmse_message_size = -1; static int hf_mmse_priority = -1; static int hf_mmse_read_reply = -1; static int hf_mmse_report_allowed = -1; static int hf_mmse_response_status = -1; static int hf_mmse_response_text = -1; static int hf_mmse_sender_visibility = -1; static int hf_mmse_status = -1; static int hf_mmse_subject = -1; static int hf_mmse_to = -1; static int hf_mmse_content_type = -1; static int hf_mmse_ffheader = -1; /* MMSE 1.1 */ static int hf_mmse_read_report = -1; static int hf_mmse_retrieve_status = -1; static int hf_mmse_retrieve_text = -1; static int hf_mmse_read_status = -1; static int hf_mmse_reply_charging = -1; static int hf_mmse_reply_charging_deadline = -1; static int hf_mmse_reply_charging_id = -1; static int hf_mmse_reply_charging_size = -1; static int hf_mmse_prev_sent_by = -1; static int hf_mmse_prev_sent_by_fwd_count = -1; static int hf_mmse_prev_sent_by_address = -1; static int hf_mmse_prev_sent_date = -1; static int hf_mmse_prev_sent_date_fwd_count = -1; static int hf_mmse_prev_sent_date_date = -1; /* * Initialize the subtree pointers */ static gint ett_mmse = -1; static gint ett_mmse_hdr_details = -1; /* * Valuestrings for PDU types */ /* MMS 1.0 */ #define PDU_M_SEND_REQ 0x80 #define PDU_M_SEND_CONF 0x81 #define PDU_M_NOTIFICATION_IND 0x82 #define PDU_M_NOTIFYRESP_IND 0x83 #define PDU_M_RETRIEVE_CONF 0x84 #define PDU_M_ACKNOWLEDGE_IND 0x85 #define PDU_M_DELIVERY_IND 0x86 /* MMS 1.1 */ #define PDU_M_READ_REC_IND 0x87 #define PDU_M_READ_ORIG_IND 0x88 #define PDU_M_FORWARD_REQ 0x89 #define PDU_M_FORWARD_CONF 0x8A /* MMS 1.2 */ #define PDU_M_MBOX_STORE_REQ 0x8B #define PDU_M_MBOX_STORE_CONF 0x8C #define PDU_M_MBOX_VIEW_REQ 0x8D #define PDU_M_MBOX_VIEW_CONF 0x8E #define PDU_M_MBOX_UPLOAD_REQ 0x8F #define PDU_M_MBOX_UPLOAD_CONF 0x90 #define PDU_M_MBOX_DELETE_REQ 0x91 #define PDU_M_MBOX_DELETE_CONF 0x92 #define PDU_M_MBOX_DESCR 0x93 #define pdu_has_content(pdut) \ ( ((pdut) == PDU_M_SEND_REQ) \ || ((pdut) == PDU_M_DELIVERY_IND) \ || ((pdut) == PDU_M_RETRIEVE_CONF) \ || ((pdut) == PDU_M_MBOX_VIEW_CONF) \ || ((pdut) == PDU_M_MBOX_DESCR) \ || ((pdut) == PDU_M_MBOX_UPLOAD_REQ) \ ) static const value_string vals_message_type[] = { /* MMS 1.0 */ { PDU_M_SEND_REQ, "m-send-req" }, { PDU_M_SEND_CONF, "m-send-conf" }, { PDU_M_NOTIFICATION_IND, "m-notification-ind" }, { PDU_M_NOTIFYRESP_IND, "m-notifyresp-ind" }, { PDU_M_RETRIEVE_CONF, "m-retrieve-conf" }, { PDU_M_ACKNOWLEDGE_IND, "m-acknowledge-ind" }, { PDU_M_DELIVERY_IND, "m-delivery-ind" }, /* MMS 1.1 */ { PDU_M_READ_REC_IND, "m-read-rec-ind" }, { PDU_M_READ_ORIG_IND, "m-read-orig-ind" }, { PDU_M_FORWARD_REQ, "m-forward-req" }, { PDU_M_FORWARD_CONF, "m-forward-conf" }, /* MMS 1.2 */ { PDU_M_MBOX_STORE_REQ, "m-mbox-store-req" }, { PDU_M_MBOX_STORE_CONF, "m-mbox-store-conf" }, { PDU_M_MBOX_VIEW_REQ, "m-mbox-view-req" }, { PDU_M_MBOX_VIEW_CONF, "m-mbox-view-conf" }, { PDU_M_MBOX_UPLOAD_REQ, "m-mbox-upload-req" }, { PDU_M_MBOX_UPLOAD_CONF, "m-mbox-upload-conf" }, { PDU_M_MBOX_DELETE_REQ, "m-mbox-delete-req" }, { PDU_M_MBOX_DELETE_CONF, "m-mbox-delete-conf" }, { PDU_M_MBOX_DESCR, "m-mbox-descr" }, { 0x00, NULL }, }; static const value_string vals_yes_no[] = { { 0x80, "Yes" }, { 0x81, "No" }, { 0x00, NULL }, }; static const value_string vals_message_class[] = { { 0x80, "Personal" }, { 0x81, "Advertisement" }, { 0x82, "Informational" }, { 0x83, "Auto" }, { 0x00, NULL }, }; static const value_string vals_priority[] = { { 0x80, "Low" }, { 0x81, "Normal" }, { 0x82, "High" }, { 0x00, NULL }, }; static const value_string vals_response_status[] = { /* MMS 1.0 - obsolete as from MMS 1.1 */ { 0x80, "Ok" }, { 0x81, "Unspecified" }, { 0x82, "Service denied" }, { 0x83, "Message format corrupt" }, { 0x84, "Sending address unresolved" }, { 0x85, "Message not found" }, { 0x86, "Network problem" }, { 0x87, "Content not accepted" }, { 0x88, "Unsupported message" }, /* * Transient errors */ /* MMS 1.1 */ { 0xC0, "Transient failure" }, { 0xC1, "Transient: Sending address unresolved" }, { 0xC2, "Transient: Message not found" }, { 0xC3, "Transient: Network problem" }, /* MMS 1.2 */ { 0xC4, "Transient: Partial success" }, /* * Permanent errors */ /* MMS 1.1 */ { 0xE0, "Permanent failure" }, { 0xE1, "Permanent: Service denied" }, { 0xE2, "Permanent: Message format corrupt" }, { 0xE3, "Permanent: Sending address unresolved" }, { 0xE4, "Permanent: Message not found" }, { 0xE5, "Permanent: Content not accepted" }, { 0xE6, "Permanent: Reply charging limitations not met" }, { 0xE7, "Permanent: Reply charging request not accepted" }, { 0xE8, "Permanent: Reply charging forwarding denied" }, { 0xE9, "Permanent: Reply charging not supported" }, /* MMS 1.2 */ { 0xEA, "Permanent: Address hiding not supported" }, { 0x00, NULL }, }; static const value_string vals_sender_visibility[] = { { 0x80, "Hide" }, { 0x81, "Show" }, { 0x00, NULL }, }; static const value_string vals_message_status[] = { /* MMS 1.0 */ { 0x80, "Expired" }, { 0x81, "Retrieved" }, { 0x82, "Rejected" }, { 0x83, "Deferred" }, { 0x84, "Unrecognized" }, /* MMS 1.1 */ { 0x85, "Indeterminate" }, { 0x86, "Forwarded" }, /* MMS 1.2 */ { 0x87, "Unreachable" }, { 0x00, NULL }, }; static const value_string vals_retrieve_status[] = { /* * Transient errors */ /* MMS 1.1 */ { 0xC0, "Transient failure" }, { 0xC1, "Transient: Message not found" }, { 0xC2, "Transient: Network problem" }, /* * Permanent errors */ /* MMS 1.1 */ { 0xE0, "Permanent failure" }, { 0xE1, "Permanent: Service denied" }, { 0xE2, "Permanent: Message not found" }, { 0xE3, "Permanent: Content unsupported" }, { 0x00, NULL }, }; static const value_string vals_read_status[] = { { 0x80, "Read" }, { 0x81, "Deleted without being read" }, { 0x00, NULL }, }; static const value_string vals_reply_charging[] = { { 0x80, "Requested" }, { 0x81, "Requested text only" }, { 0x82, "Accepted" }, { 0x83, "Accepted text only" }, { 0x00, NULL }, }; static const value_string vals_reply_charging_deadline[] = { { 0x80, "Absolute" }, { 0x81, "Relative" }, { 0x00, NULL }, }; /*! * Decodes a Text-string from the protocol data * Text-string = [Quote] *TEXT End-of-string * Quote = * End-of-string = * * \todo Shouldn't we be sharing this with WSP (packet-wap.c)? * * \param tvb The buffer with PDU-data * \param offset Offset within that buffer * \param strval Pointer to variable into which to put pointer to * buffer allocated to hold the text; must be freed * when no longer used * * \return The length in bytes of the entire field */ static guint get_text_string(tvbuff_t *tvb, guint offset, char **strval) { guint len; DebugLog(("get_text_string(tvb = %p, offset = %u, **strval) - start\n", tvb, offset)); len = tvb_strsize(tvb, offset); DebugLog((" [1] tvb_strsize(tvb, offset) == %u\n", len)); if (tvb_get_guint8(tvb, offset) == MM_QUOTE) *strval = (char *)tvb_memdup(tvb, offset + 1, len - 1); else *strval = (char *)tvb_memdup(tvb, offset, len); DebugLog((" [3] Return(len) == %u\n", len)); return len; } /*! * Decodes a Value-length from the protocol data. * Value-length = Short-length | (Length-quote Length) * Short-length = * Length-quote = * Length = Uintvar-integer * * \todo Shouldn't we be sharing this with WSP (packet-wap.c)? * * \param tvb The buffer with PDU-data * \param offset Offset within that buffer * \param byte_count Returns the length in bytes of * the "Value-length" field. * * \return The actual value of "Value-length" */ static guint get_value_length(tvbuff_t *tvb, guint offset, guint *byte_count) { guint field; field = tvb_get_guint8(tvb, offset++); if (field < 31) *byte_count = 1; else { /* Must be 31 so, Uintvar follows */ field = tvb_get_guintvar(tvb, offset, byte_count); (*byte_count)++; } return field; } /*! * Decodes an Encoded-string-value from the protocol data * Encoded-string-value = Text-string | Value-length Char-set Text-string * * \param tvb The buffer with PDU-data * \param offset Offset within that buffer * \param strval Pointer to variable into which to put pointer to * buffer allocated to hold the text; must be freed * when no longer used * * \return The length in bytes of the entire field */ static guint get_encoded_strval(tvbuff_t *tvb, guint offset, char **strval) { guint field; guint length; guint count; field = tvb_get_guint8(tvb, offset); if (field < 32) { length = get_value_length(tvb, offset, &count); if (length < 2) { *strval = g_strdup(""); } else { /* \todo Something with "Char-set", skip for now */ *strval = (char *)tvb_get_string(tvb, offset + count + 1, length - 1); } return count + length; } else return get_text_string(tvb, offset, strval); } /*! * Decodes a Long-integer from the protocol data * Long-integer = Short-length Multi-octet-integer * Short-length = * Multi-octet-integer = 1*30OCTET * * \todo Shouldn't we be sharing this with WSP (packet-wap.c)? * * \param tvb The buffer with PDU-data * \param offset Offset within that buffer * \param byte_count Returns the length in bytes of the field * * \return The value of the Long-integer * * \note A maximum of 4-byte integers will be handled. */ static guint get_long_integer(tvbuff_t *tvb, guint offset, guint *byte_count) { guint val; *byte_count = tvb_get_guint8(tvb, offset++); switch (*byte_count) { case 1: val = tvb_get_guint8(tvb, offset); break; case 2: val = tvb_get_ntohs(tvb, offset); break; case 3: val = tvb_get_ntoh24(tvb, offset); break; case 4: val = tvb_get_ntohl(tvb, offset); break; default: val = 0; break; } (*byte_count)++; return val; } /*! * Decodes an Integer-value from the protocol data * Integer-value = Short-integer | Long-integer * Short-integer = OCTET * Long-integer = Short-length Multi-octet-integer * Short-length = * Multi-octet-integer = 1*30OCTET * * \todo Shouldn't we be sharing this with WSP (packet-wap.c)? * * \param tvb The buffer with PDU-data * \param offset Offset within that buffer * \param byte_count Returns the length in bytes of the field * * \return The value of the Long-integer * * \note A maximum of 4-byte integers will be handled. */ static guint get_integer_value(tvbuff_t *tvb, guint offset, guint *byte_count) { guint val; guint8 peek; peek = tvb_get_guint8(tvb, offset++); if (peek & 0x80) { val = peek & 0x7F; *byte_count = 1; return val; } else { *byte_count = peek; switch (peek) { case 1: val = tvb_get_guint8(tvb, offset); break; case 2: val = tvb_get_ntohs(tvb, offset); break; case 3: val = tvb_get_ntoh24(tvb, offset); break; case 4: val = tvb_get_ntohl(tvb, offset); break; default: val = 0; break; } } (*byte_count)++; return val; } /* Code to actually dissect the packets */ static gboolean dissect_mmse_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 pdut; DebugLog(("dissect_mmse_heur()\n")); /* * Check if data makes sense for it to be dissected as MMSE: Message-type * field must make sense and followed by either Transaction-Id * or MMS-Version header */ if (tvb_get_guint8(tvb, 0) != MM_MTYPE_HDR) return FALSE; pdut = tvb_get_guint8(tvb, 1); if (match_strval(pdut, vals_message_type) == NULL) return FALSE; if ((tvb_get_guint8(tvb, 2) != MM_TID_HDR) && (tvb_get_guint8(tvb, 2) != MM_VERSION_HDR)) return FALSE; dissect_mmse_standalone(tvb, pinfo, tree); return TRUE; } static void dissect_mmse_standalone(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 pdut; char *message_type; DebugLog(("dissect_mmse_standalone() - START (Packet %u)\n", pinfo->fd->num)); pdut = tvb_get_guint8(tvb, 1); message_type = match_strval(pdut, vals_message_type); /* Make entries in Protocol column and Info column on summary display */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "MMSE"); if (check_col(pinfo->cinfo, COL_INFO)) { col_clear(pinfo->cinfo, COL_INFO); col_add_fstr(pinfo->cinfo, COL_INFO, "MMS %s", message_type); } dissect_mmse(tvb, pinfo, tree, pdut, message_type); } static void dissect_mmse_encapsulated(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 pdut; char *message_type; DebugLog(("dissect_mmse_encapsulated() - START (Packet %u)\n", pinfo->fd->num)); pdut = tvb_get_guint8(tvb, 1); message_type = match_strval(pdut, vals_message_type); /* Make entries in Info column on summary display */ if (check_col(pinfo->cinfo, COL_INFO)) { col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ", "(MMS %s)", message_type); } dissect_mmse(tvb, pinfo, tree, pdut, message_type); } static void dissect_mmse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 pdut, char *message_type) { guint offset; guint8 field = 0; char *strval; guint length; guint count; guint8 version = 0x80; /* Default to MMSE 1.0 */ /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti = NULL; proto_tree *mmse_tree = NULL; DebugLog(("dissect_mmse() - START (Packet %u)\n", pinfo->fd->num)); /* If tree == NULL then we are only interested in protocol dissection * up to reassembly and handoff to subdissectors if applicable; the * columns must be set appropriately too. * If tree != NULL then we also want to display the protocol tree * with its fields. * * In the interest of speed, skip protocol tree item generation * if tree is NULL. */ if (tree) { DebugLog(("tree != NULL\n")); ti = proto_tree_add_item(tree, proto_mmse, tvb, 0, -1, FALSE); proto_item_append_text(ti, ", Type: %s", message_type); /* create display subtree for the protocol */ mmse_tree = proto_item_add_subtree(ti, ett_mmse); /* Report PDU-type */ proto_tree_add_uint(mmse_tree, hf_mmse_message_type, tvb, 0, 2, pdut); } offset = 2; /* Skip Message-Type */ /* * Cycle through MMS-headers * * NOTE - some PDUs may convey content which can be handed off * to subdissectors. */ if (tree || pdu_has_content(pdut)) { while ((offset < tvb_reported_length(tvb)) && (field = tvb_get_guint8(tvb, offset++)) != MM_CTYPE_HDR) { DebugLog(("\tField = 0x%02X (offset = %u): %s\n", field, offset, val_to_str(field, vals_mm_header_names, "Unknown MMS header 0x%02X"))); switch (field) { case MM_TID_HDR: /* Text-string */ length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_transaction_id, tvb, offset - 1, length + 1,strval); } g_free(strval); offset += length; break; case MM_VERSION_HDR: /* nibble-Major/nibble-minor*/ version = tvb_get_guint8(tvb, offset++); if (tree) { guint8 major, minor; major = (version & 0x70) >> 4; minor = version & 0x0F; if (minor == 0x0F) strval = g_strdup_printf("%u", major); else strval = g_strdup_printf("%u.%u", major, minor); proto_tree_add_string(mmse_tree, hf_mmse_mms_version, tvb, offset - 2, 2, strval); g_free(strval); } break; case MM_BCC_HDR: /* Encoded-string-value */ length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_bcc, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; case MM_CC_HDR: /* Encoded-string-value */ length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_cc, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; case MM_CLOCATION_HDR: /* Uri-value */ if (pdut == PDU_M_MBOX_DELETE_CONF) { /* General form with length */ length = tvb_get_guint8(tvb, offset); if (length == 0x1F) { guint length_len = 0; length = tvb_get_guintvar(tvb, offset + 1, &length_len); length += 1 + length_len; } else { length += 1; } if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_content_location, tvb, offset - 1, length + 1, ""); } } else { length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_content_location, tvb, offset - 1, length + 1, strval); } g_free(strval); } offset += length; break; case MM_DATE_HDR: /* Long-integer */ { guint tval; nstime_t tmptime; tval = get_long_integer(tvb, offset, &count); tmptime.secs = tval; tmptime.nsecs = 0; if (tree) { proto_tree_add_time(mmse_tree, hf_mmse_date, tvb, offset - 1, count + 1, &tmptime); } } offset += count; break; case MM_DREPORT_HDR: /* Yes|No */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_delivery_report, tvb, offset - 2, 2, field); } break; case MM_DTIME_HDR: /* * Value-length(Absolute-token Date-value| * Relative-token Delta-seconds-value) */ length = get_value_length(tvb, offset, &count); field = tvb_get_guint8(tvb, offset + count); if (tree) { guint tval; nstime_t tmptime; guint cnt; tval = get_long_integer(tvb, offset + count + 1, &cnt); tmptime.secs = tval; tmptime.nsecs = 0; if (field == 0x80) proto_tree_add_time(mmse_tree, hf_mmse_delivery_time_abs, tvb, offset - 1, length + count + 1, &tmptime); else proto_tree_add_time(mmse_tree, hf_mmse_delivery_time_rel, tvb, offset - 1, length + count + 1, &tmptime); } offset += length + count; break; case MM_EXPIRY_HDR: /* * Value-length(Absolute-token Date-value| * Relative-token Delta-seconds-value) */ length = get_value_length(tvb, offset, &count); field = tvb_get_guint8(tvb, offset + count); if (tree) { guint tval; nstime_t tmptime; guint cnt; tval = get_long_integer(tvb, offset + count + 1, &cnt); tmptime.secs = tval; tmptime.nsecs = 0; if (field == 0x80) proto_tree_add_time(mmse_tree, hf_mmse_expiry_abs, tvb, offset - 1, length + count + 1, &tmptime); else proto_tree_add_time(mmse_tree, hf_mmse_expiry_rel, tvb, offset - 1, length + count + 1, &tmptime); } offset += length + count; break; case MM_FROM_HDR: /* * Value-length(Address-present-token Encoded-string-value * |Insert-address-token) */ length = get_value_length(tvb, offset, &count); if (tree) { field = tvb_get_guint8(tvb, offset + count); if (field == 0x81) { proto_tree_add_string(mmse_tree, hf_mmse_from, tvb, offset-1, length + count + 1, ""); } else { (void) get_encoded_strval(tvb, offset + count + 1, &strval); proto_tree_add_string(mmse_tree, hf_mmse_from, tvb, offset-1, length + count + 1, strval); g_free(strval); } } offset += length + count; break; case MM_MCLASS_HDR: /* * Class-identifier|Text-string */ field = tvb_get_guint8(tvb, offset); if (field & 0x80) { offset++; if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_message_class_id, tvb, offset - 2, 2, field); } } else { length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_message_class_str, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; } break; case MM_MID_HDR: /* Text-string */ length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_message_id, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; case MM_MSIZE_HDR: /* Long-integer */ length = get_long_integer(tvb, offset, &count); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_message_size, tvb, offset - 1, count + 1, length); } offset += count; break; case MM_PRIORITY_HDR: /* Low|Normal|High */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_priority, tvb, offset - 2, 2, field); } break; case MM_RREPLY_HDR: /* Yes|No */ field = tvb_get_guint8(tvb, offset++); if (tree) { if (version == 0x80) { /* MMSE 1.0 */ proto_tree_add_uint(mmse_tree, hf_mmse_read_reply, tvb, offset - 2, 2, field); } else { proto_tree_add_uint(mmse_tree, hf_mmse_read_report, tvb, offset - 2, 2, field); } } break; case MM_RALLOWED_HDR: /* Yes|No */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_report_allowed, tvb, offset - 2, 2, field); } break; case MM_RSTATUS_HDR: field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_response_status, tvb, offset - 2, 2, field); } break; case MM_RTEXT_HDR: /* Encoded-string-value */ if (pdut == PDU_M_MBOX_DELETE_CONF) { /* General form with length */ length = tvb_get_guint8(tvb, offset); if (length == 0x1F) { guint length_len = 0; length = tvb_get_guintvar(tvb, offset + 1, &length_len); length += 1 + length_len; } else { length += 1; } if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_content_location, tvb, offset - 1, length + 1, ""); } } else { length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_response_text, tvb, offset - 1, length + 1, strval); } g_free(strval); } offset += length; break; case MM_SVISIBILITY_HDR: /* Hide|Show */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree,hf_mmse_sender_visibility, tvb, offset - 2, 2, field); } break; case MM_STATUS_HDR: field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_status, tvb, offset - 2, 2, field); } break; case MM_SUBJECT_HDR: /* Encoded-string-value */ length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_subject, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; case MM_TO_HDR: /* Encoded-string-value */ length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_to, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; /* * MMS Encapsulation 1.1 */ case MM_RETRIEVE_STATUS_HDR: /* Well-known-value */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_retrieve_status, tvb, offset - 2, 2, field); } break; case MM_RETRIEVE_TEXT_HDR: if (pdut == PDU_M_MBOX_DELETE_CONF) { /* General form with length */ length = tvb_get_guint8(tvb, offset); if (length == 0x1F) { guint length_len = 0; length = tvb_get_guintvar(tvb, offset + 1, &length_len); length += 1 + length_len; } else { length += 1; } if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_content_location, tvb, offset - 1, length + 1, ""); } } else { /* Encoded-string-value */ length = get_encoded_strval(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_retrieve_text, tvb, offset - 1, length + 1, strval); } g_free(strval); } offset += length; break; case MM_READ_STATUS_HDR: /* Well-known-value */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_read_status, tvb, offset - 2, 2, field); } break; case MM_REPLY_CHARGING_HDR: /* Well-known-value */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_reply_charging, tvb, offset - 2, 2, field); } break; case MM_REPLY_CHARGING_DEADLINE_HDR: /* Well-known-value */ field = tvb_get_guint8(tvb, offset++); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_reply_charging_deadline, tvb, offset - 2, 2, field); } break; case MM_REPLY_CHARGING_ID_HDR: /* Text-string */ length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_string(mmse_tree, hf_mmse_reply_charging_id, tvb, offset - 1, length + 1, strval); } g_free(strval); offset += length; break; case MM_REPLY_CHARGING_SIZE_HDR: /* Long-integer */ length = get_long_integer(tvb, offset, &count); if (tree) { proto_tree_add_uint(mmse_tree, hf_mmse_reply_charging_size, tvb, offset - 1, count + 1, length); } offset += count; break; case MM_PREV_SENT_BY_HDR: /* Value-length Integer-value Encoded-string-value */ length = get_value_length(tvb, offset, &count); if (tree) { guint32 fwd_count, count1, count2; proto_tree *subtree = NULL; proto_item *ti = NULL; /* 1. Forwarded-count-value := Integer-value */ fwd_count = get_integer_value(tvb, offset + count, &count1); /* 2. Encoded-string-value */ count2 = get_encoded_strval(tvb, offset + count + count1, &strval); /* Now render the fields */ ti = proto_tree_add_string_format(tree, hf_mmse_prev_sent_by, tvb, offset - 1, 1 + count + length, "%s (Forwarded-count=%u)", strval, fwd_count); subtree = proto_item_add_subtree(ti, ett_mmse_hdr_details); proto_tree_add_uint(subtree, hf_mmse_prev_sent_by_fwd_count, tvb, offset + count, count1, fwd_count); proto_tree_add_string(subtree, hf_mmse_prev_sent_by_address, tvb, offset + count + count1, count2, strval); g_free(strval); } offset += length + count; break; case MM_PREV_SENT_DATE_HDR: /* Value-Length Forwarded-count-value Date-value */ length = get_value_length(tvb, offset, &count); if (tree) { guint32 fwd_count, count1, count2; guint tval; nstime_t tmptime; proto_tree *subtree = NULL; proto_item *ti = NULL; /* 1. Forwarded-count-value := Integer-value */ fwd_count = get_integer_value(tvb, offset + count, &count1); /* 2. Date-value := Long-integer */ tval = get_long_integer(tvb, offset + count + count1, &count2); tmptime.secs = tval; tmptime.nsecs = 0; strval = abs_time_to_str(&tmptime); /* Now render the fields */ ti = proto_tree_add_string_format(tree, hf_mmse_prev_sent_date, tvb, offset - 1, 1 + count + length, "%s (Forwarded-count=%u)", strval, fwd_count); subtree = proto_item_add_subtree(ti, ett_mmse_hdr_details); proto_tree_add_uint(subtree, hf_mmse_prev_sent_date_fwd_count, tvb, offset + count, count1, fwd_count); proto_tree_add_string(subtree, hf_mmse_prev_sent_date_date, tvb, offset + count + count1, count2, strval); g_free(strval); } offset += length + count; break; /* MMS Encapsulation 1.2 */ default: if (field & 0x80) { /* Well-known WSP header encoding */ guint8 peek = tvb_get_guint8(tvb, offset); char *hdr_name = val_to_str(field, vals_mm_header_names, "Unknown field (0x%02x)"); DebugLog(("\t\tUndecoded well-known header: %s\n", hdr_name)); if (peek & 0x80) { /* Well-known value */ length = 1; if (tree) { proto_tree_add_text(mmse_tree, tvb, offset - 1, length + 1, "%s: " " (not decoded)", hdr_name, peek); } } else if ((peek == 0) || (peek >= 0x20)) { /* Text */ length = get_text_string(tvb, offset, &strval); if (tree) { proto_tree_add_text(mmse_tree, tvb, offset - 1, length + 1, "%s: %s (Not decoded)", hdr_name, strval); g_free(strval); } } else { /* General form with length */ if (peek == 0x1F) { /* Value length in guintvar */ guint length_len = 0; length = 1 + tvb_get_guintvar(tvb, offset + 1, &length_len); length += length_len; } else { /* Value length in octet */ length = 1 + tvb_get_guint8(tvb, offset); } if (tree) { proto_tree_add_text(mmse_tree, tvb, offset - 1, length + 1, "%s: " " (not decoded)", hdr_name); } } offset += length; } else { /* Literal WSP header encoding */ guint length2; char *strval2; --offset; length = get_text_string(tvb, offset, &strval); DebugLog(("\t\tUndecoded literal header: %s\n", strval)); CLEANUP_PUSH(g_free, strval); length2= get_text_string(tvb, offset+length, &strval2); if (tree) { proto_tree_add_string_format(mmse_tree, hf_mmse_ffheader, tvb, offset, length + length2, (const char *) tvb_get_ptr( tvb, offset, length + length2), "%s: %s", strval, strval2); } g_free(strval2); offset += length + length2; CLEANUP_CALL_AND_POP; } break; } DebugLog(("\tEnd(case)\n")); } DebugLog(("\tEnd(switch)\n")); if (field == MM_CTYPE_HDR) { /* * Eeehh, we're now actually back to good old WSP content-type * encoding. Let's steal that from the WSP-dissector. */ tvbuff_t *tmp_tvb; guint type; const char *type_str; DebugLog(("Content-Type: [from WSP dissector]\n")); DebugLog(("Calling add_content_type() in WSP dissector\n")); offset = add_content_type(mmse_tree, tvb, offset, &type, &type_str); DebugLog(("Generating new TVB subset (offset = %u)\n", offset)); tmp_tvb = tvb_new_subset(tvb, offset, -1, -1); DebugLog(("Add POST data\n")); add_post_data(mmse_tree, tmp_tvb, type, type_str, pinfo); DebugLog(("Done!\n")); } } else { DebugLog(("tree == NULL and PDU has no potential content\n")); } /* If this protocol has a sub-dissector call it here, see section 1.8 */ DebugLog(("dissect_mmse() - END\n")); } /* Register the protocol with Ethereal */ /* this format is required because a script is used to build the C function * that calls all the protocol registration. */ void proto_register_mmse(void) { /* Setup list of header fields See Section 1.6.1 for details */ static hf_register_info hf[] = { { &hf_mmse_message_type, { "X-Mms-Message-Type", "mmse.message_type", FT_UINT8, BASE_HEX, VALS(vals_message_type), 0x00, "Specifies the transaction type. Effectively defines PDU.", HFILL } }, { &hf_mmse_transaction_id, { "X-Mms-Transaction-ID", "mmse.transaction_id", FT_STRING, BASE_NONE, NULL, 0x00, "A unique identifier for this transaction. " "Identifies request and corresponding response only.", HFILL } }, { &hf_mmse_mms_version, { "X-Mms-MMS-Version", "mmse.mms_version", FT_STRING, BASE_NONE, NULL, 0x00, "Version of the protocol used.", HFILL } }, { &hf_mmse_bcc, { "Bcc", "mmse.bcc", FT_STRING, BASE_NONE, NULL, 0x00, "Blind carbon copy.", HFILL } }, { &hf_mmse_cc, { "Cc", "mmse.cc", FT_STRING, BASE_NONE, NULL, 0x00, "Carbon copy.", HFILL } }, { &hf_mmse_content_location, { "X-Mms-Content-Location", "mmse.content_location", FT_STRING, BASE_NONE, NULL, 0x00, "Defines the location of the message.", HFILL } }, { &hf_mmse_date, { "Date", "mmse.date", FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00, "Arrival timestamp of the message or sending timestamp.", HFILL } }, { &hf_mmse_delivery_report, { "X-Mms-Delivery-Report", "mmse.delivery_report", FT_UINT8, BASE_HEX, VALS(vals_yes_no), 0x00, "Whether a report of message delivery is wanted or not.", HFILL } }, { &hf_mmse_delivery_time_abs, { "X-Mms-Delivery-Time", "mmse.delivery_time.abs", FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00, "The time at which message delivery is desired.", HFILL } }, { &hf_mmse_delivery_time_rel, { "X-Mms-Delivery-Time", "mmse.delivery_time.rel", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x00, "The desired message delivery delay.", HFILL } }, { &hf_mmse_expiry_abs, { "X-Mms-Expiry", "mmse.expiry.abs", FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00, "Time when message expires and need not be delivered anymore.", HFILL } }, { &hf_mmse_expiry_rel, { "X-Mms-Expiry", "mmse.expiry.rel", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x00, "Delay before message expires and need not be delivered anymore.", HFILL } }, { &hf_mmse_from, { "From", "mmse.from", FT_STRING, BASE_NONE, NULL, 0x00, "Address of the message sender.", HFILL } }, { &hf_mmse_message_class_id, { "X-Mms-Message-Class", "mmse.message_class.id", FT_UINT8, BASE_HEX, VALS(vals_message_class), 0x00, "Of what category is the message.", HFILL } }, { &hf_mmse_message_class_str, { "X-Mms-Message-Class", "mmse.message_class.str", FT_STRING, BASE_NONE, NULL, 0x00, "Of what category is the message.", HFILL } }, { &hf_mmse_message_id, { "Message-Id", "mmse.message_id", FT_STRING, BASE_NONE, NULL, 0x00, "Unique identification of the message.", HFILL } }, { &hf_mmse_message_size, { "X-Mms-Message-Size", "mmse.message_size", FT_UINT32, BASE_DEC, NULL, 0x00, "The size of the message in octets.", HFILL } }, { &hf_mmse_priority, { "X-Mms-Priority", "mmse.priority", FT_UINT8, BASE_HEX, VALS(vals_priority), 0x00, "Priority of the message.", HFILL } }, { &hf_mmse_read_reply, { "X-Mms-Read-Reply", "mmse.read_reply", FT_UINT8, BASE_HEX, VALS(vals_yes_no), 0x00, "Whether a read report from every recipient is wanted.", HFILL } }, { &hf_mmse_read_report, { "X-Mms-Read-Report", "mmse.read_report", FT_UINT8, BASE_HEX, VALS(vals_yes_no), 0x00, "Whether a read report from every recipient is wanted.", HFILL } }, { &hf_mmse_report_allowed, { "X-Mms-Report-Allowed", "mmse.report_allowed", FT_UINT8, BASE_HEX, VALS(vals_yes_no), 0x00, "Sending of delivery report allowed or not.", HFILL } }, { &hf_mmse_response_status, { "Response-Status", "mmse.response_status", FT_UINT8, BASE_HEX, VALS(vals_response_status), 0x00, "MMS-specific result of a message submission or retrieval.", HFILL } }, { &hf_mmse_response_text, { "Response-Text", "mmse.response_text", FT_STRING, BASE_NONE, NULL, 0x00, "Additional information on MMS-specific result.", HFILL } }, { &hf_mmse_sender_visibility, { "Sender-Visibility", "mmse.sender_visibility", FT_UINT8, BASE_HEX, VALS(vals_sender_visibility), 0x00, "Disclose sender identity to receiver or not.", HFILL } }, { &hf_mmse_status, { "Status", "mmse.status", FT_UINT8, BASE_HEX, VALS(vals_message_status), 0x00, "Current status of the message.", HFILL } }, { &hf_mmse_subject, { "Subject", "mmse.subject", FT_STRING, BASE_NONE, NULL, 0x00, "Subject of the message.", HFILL } }, { &hf_mmse_to, { "To", "mmse.to", FT_STRING, BASE_NONE, NULL, 0x00, "Recipient(s) of the message.", HFILL } }, { &hf_mmse_content_type, { "Data", "mmse.content_type", FT_NONE, BASE_NONE, NULL, 0x00, "Media content of the message.", HFILL } }, { &hf_mmse_ffheader, { "Free format (not encoded) header", "mmse.ffheader", FT_STRING, BASE_NONE, NULL, 0x00, "Application header without corresponding encoding.", HFILL } }, /* MMSE 1.1 */ { &hf_mmse_retrieve_status, { "X-Mms-Retrieve-Status", "mmse.retrieve_status", FT_UINT8, BASE_HEX, VALS(vals_retrieve_status), 0x00, "MMS-specific result of a message retrieval.", HFILL } }, { &hf_mmse_retrieve_text, { "X-Mms-Retrieve-Text", "mmse.retrieve_text", FT_STRING, BASE_NONE, NULL, 0x00, "Status text of a MMS message retrieval.", HFILL } }, { &hf_mmse_read_status, { "X-Mms-Read-Status", "mmse.read_status", FT_UINT8, BASE_HEX, VALS(vals_read_status), 0x00, "MMS-specific message read status.", HFILL } }, { &hf_mmse_reply_charging, { "X-Mms-Reply-Charging", "mmse.reply_charging", FT_UINT8, BASE_HEX, VALS(vals_reply_charging), 0x00, "MMS-specific message reply charging method.", HFILL } }, { &hf_mmse_reply_charging_deadline, { "X-Mms-Reply-Charging-Deadline", "mmse.reply_charging_deadline", FT_UINT8, BASE_HEX, VALS(vals_reply_charging_deadline), 0x00, "MMS-specific message reply charging deadline type.", HFILL } }, { &hf_mmse_reply_charging_id, { "X-Mms-Reply-Charging-Id", "mmse.reply_charging_id", FT_STRING, BASE_NONE, NULL, 0x00, "Unique reply charging identification of the message.", HFILL } }, { &hf_mmse_reply_charging_size, { "X-Mms-Reply-Charging-Size", "mmse.reply_charging_size", FT_UINT32, BASE_DEC, NULL, 0x00, "The size of the reply charging in octets.", HFILL } }, { &hf_mmse_prev_sent_by, { "X-Mms-Previously-Sent-By", "mmse.previously_sent_by", FT_STRING, BASE_NONE, NULL, 0x00, "Indicates that the MM has been previously sent by this user.", HFILL } }, { &hf_mmse_prev_sent_by_fwd_count, { "Forward Count", "mmse.previously_sent_by.forward_count", FT_UINT32, BASE_DEC, NULL, 0x00, "Forward count of the previously sent MM.", HFILL } }, { &hf_mmse_prev_sent_by_address, { "Address", "mmse.previously_sent_by.address", FT_STRING, BASE_NONE, NULL, 0x00, "Indicates from whom the MM has been previously sent.", HFILL } }, { &hf_mmse_prev_sent_date, { "X-Mms-Previously-Sent-Date", "mmse.previously_sent_date", FT_STRING, BASE_NONE, NULL, 0x00, "Indicates the date that the MM has been previously sent.", HFILL } }, { &hf_mmse_prev_sent_date_fwd_count, { "Forward Count", "mmse.previously_sent_date.forward_count", FT_UINT32, BASE_DEC, NULL, 0x00, "Forward count of the previously sent MM.", HFILL } }, { &hf_mmse_prev_sent_date_date, { "Date", "mmse.previously_sent_date.date", FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0x00, "Time when the MM has been previously sent.", HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_mmse, &ett_mmse_hdr_details, }; /* Register the protocol name and description */ proto_mmse = proto_register_protocol("MMS Message Encapsulation", "MMSE", "mmse"); /* Required function calls to register header fields and subtrees used */ proto_register_field_array(proto_mmse, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } /* If this dissector uses sub-dissector registration add registration routine. * This format is required because a script is used to find these routines and * create the code that calls these routines. */ void proto_reg_handoff_mmse(void) { dissector_handle_t mmse_standalone_handle; dissector_handle_t mmse_encapsulated_handle; heur_dissector_add("wsp", dissect_mmse_heur, proto_mmse); mmse_standalone_handle = create_dissector_handle( dissect_mmse_standalone, proto_mmse); mmse_encapsulated_handle = create_dissector_handle( dissect_mmse_encapsulated, proto_mmse); /* As the media types for WSP and HTTP are the same, the WSP dissector * uses the same string dissector table as the HTTP protocol. */ dissector_add_string("media_type", "application/vnd.wap.mms-message", mmse_standalone_handle); dissector_add_string("multipart_media_type", "application/vnd.wap.mms-message", mmse_encapsulated_handle); }