/* packet-ucp.c * Routines for Universal Computer Protocol dissection * Copyright 2001, Tom Uijldert * * Wireshark - 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * ---------- * * Dissector of a UCP (Universal Computer Protocol) PDU, as defined for the * ERMES paging system in ETS 300 133-3 (2nd final draft, September 1997, * www.etsi.org). * Includes the extension of EMI-UCP interface * (V4.0, May 2001, www.advox.se/download/protocols/EMI_UCP.pdf) * * Support for statistics using the Stats Tree API added by * Abhik Sarkar * */ #include "config.h" #include #include #include #include #include #include #include "packet-tcp.h" void proto_register_ucp(void); void proto_reg_handoff_ucp(void); /* Tap Record */ typedef struct _ucp_tap_rec_t { guint message_type; /* 0 = Operation; 1 = Result */ guint operation; /* Operation Type */ guint result; /* 0 = Success; Non 0 = Error Code */ } ucp_tap_rec_t; /* Preferences */ static gboolean ucp_desegment = TRUE; /* STX + TRN(2 num. char.) + / + LEN(5 num. char.) + / + 'O'/'R' + / + OT(2 num. char.) + / */ #define UCP_HEADER_SIZE 15 /* * Convert ASCII-hex character to binary equivalent. No checks, assume * is valid hex character. */ #define AHex2Bin(n) (((n) & 0x40) ? ((n) & 0x0F) + 9 : ((n) & 0x0F)) #define UCP_STX 0x02 /* Start of UCP PDU */ #define UCP_ETX 0x03 /* End of UCP PDU */ #define UCP_MALFORMED -1 /* Not a valid PDU */ #define UCP_INV_CHK -2 /* Incorrect checksum */ #define UCP_TRN_OFFSET 1 #define UCP_LEN_OFFSET 4 #define UCP_O_R_OFFSET 10 /* Location of O/R field */ #define UCP_OT_OFFSET 12 /* Location of OT field */ #define UCP_TRN_LEN 2 /* Length of TRN-field */ #define UCP_LEN_LEN 5 /* Length of LEN-field */ #define UCP_O_R_LEN 1 /* Length of O/R-field */ #define UCP_OT_LEN 2 /* Length of OT-field */ static dissector_handle_t ucp_handle; /* * Initialize the protocol and registered fields * * Header (fixed) section */ static int proto_ucp = -1; static int hf_ucp_hdr_TRN = -1; static int hf_ucp_hdr_LEN = -1; static int hf_ucp_hdr_O_R = -1; static int hf_ucp_hdr_OT = -1; /* * Stats section */ static int st_ucp_messages = -1; static int st_ucp_ops = -1; static int st_ucp_res = -1; static int st_ucp_results = -1; static int st_ucp_results_pos = -1; static int st_ucp_results_neg = -1; static const gchar st_str_ucp[] = "UCP Messages"; static const gchar st_str_ops[] = "Operations"; static const gchar st_str_res[] = "Results"; static const gchar st_str_ucp_res[] = "UCP Results Acks/Nacks"; static const gchar st_str_pos[] = "Positive"; static const gchar st_str_neg[] = "Negative"; /* * Data (variable) section */ static int hf_ucp_oper_section = -1; static int hf_ucp_parm_AdC = -1; static int hf_ucp_parm_OAdC = -1; static int hf_ucp_parm_DAdC = -1; static int hf_ucp_parm_AC = -1; static int hf_ucp_parm_OAC = -1; static int hf_ucp_parm_BAS = -1; static int hf_ucp_parm_LAR = -1; static int hf_ucp_parm_LAC = -1; static int hf_ucp_parm_L1R = -1; static int hf_ucp_parm_L1P = -1; static int hf_ucp_parm_L3R = -1; static int hf_ucp_parm_L3P = -1; static int hf_ucp_parm_LCR = -1; static int hf_ucp_parm_LUR = -1; static int hf_ucp_parm_LRR = -1; static int hf_ucp_parm_RT = -1; static int hf_ucp_parm_NoN = -1; static int hf_ucp_parm_NoA = -1; static int hf_ucp_parm_NoB = -1; static int hf_ucp_parm_NAC = -1; static int hf_ucp_parm_PNC = -1; static int hf_ucp_parm_AMsg = -1; static int hf_ucp_parm_LNo = -1; static int hf_ucp_parm_LST = -1; static int hf_ucp_parm_TNo = -1; static int hf_ucp_parm_CS = -1; static int hf_ucp_parm_PID = -1; static int hf_ucp_parm_NPL = -1; static int hf_ucp_parm_GA = -1; static int hf_ucp_parm_RP = -1; static int hf_ucp_parm_LRP = -1; static int hf_ucp_parm_PR = -1; static int hf_ucp_parm_LPR = -1; static int hf_ucp_parm_UM = -1; static int hf_ucp_parm_LUM = -1; static int hf_ucp_parm_RC = -1; static int hf_ucp_parm_LRC = -1; static int hf_ucp_parm_NRq = -1; static int hf_ucp_parm_GAdC = -1; static int hf_ucp_parm_A_D = -1; static int hf_ucp_parm_CT = -1; static int hf_ucp_parm_AAC = -1; static int hf_ucp_parm_MNo = -1; static int hf_ucp_parm_R_T = -1; static int hf_ucp_parm_IVR5x = -1; static int hf_ucp_parm_REQ_OT = -1; static int hf_ucp_parm_SSTAT = -1; static int hf_ucp_parm_LMN = -1; static int hf_ucp_parm_NMESS = -1; static int hf_ucp_parm_NAdC = -1; static int hf_ucp_parm_NT = -1; static int hf_ucp_parm_NPID = -1; static int hf_ucp_parm_LRq = -1; static int hf_ucp_parm_LRAd = -1; static int hf_ucp_parm_LPID = -1; static int hf_ucp_parm_DD = -1; static int hf_ucp_parm_DDT = -1; static int hf_ucp_parm_STx = -1; static int hf_ucp_parm_ST = -1; static int hf_ucp_parm_SP = -1; static int hf_ucp_parm_VP = -1; static int hf_ucp_parm_RPID = -1; static int hf_ucp_parm_SCTS = -1; static int hf_ucp_parm_Dst = -1; static int hf_ucp_parm_Rsn = -1; static int hf_ucp_parm_DSCTS = -1; static int hf_ucp_parm_MT = -1; static int hf_ucp_parm_NB = -1; static int hf_ucp_data_section = -1; static int hf_ucp_parm_MMS = -1; static int hf_ucp_parm_DCs = -1; static int hf_ucp_parm_MCLs = -1; static int hf_ucp_parm_RPI = -1; static int hf_ucp_parm_CPg = -1; static int hf_ucp_parm_RPLy = -1; static int hf_ucp_parm_OTOA = -1; static int hf_ucp_parm_HPLMN = -1; static int hf_ucp_parm_RES4 = -1; static int hf_ucp_parm_RES5 = -1; static int hf_ucp_parm_OTON = -1; static int hf_ucp_parm_ONPI = -1; static int hf_ucp_parm_STYP0 = -1; static int hf_ucp_parm_STYP1 = -1; static int hf_ucp_parm_ACK = -1; static int hf_ucp_parm_PWD = -1; static int hf_ucp_parm_NPWD = -1; static int hf_ucp_parm_VERS = -1; static int hf_ucp_parm_LAdC = -1; static int hf_ucp_parm_LTON = -1; static int hf_ucp_parm_LNPI = -1; static int hf_ucp_parm_OPID = -1; static int hf_ucp_parm_RES1 = -1; static int hf_ucp_parm_RES2 = -1; static int hf_ucp_parm_MVP = -1; static int hf_ucp_parm_EC = -1; static int hf_ucp_parm_SM = -1; static int hf_ucp_not_subscribed = -1; static int hf_ucp_ga_roaming = -1; static int hf_ucp_call_barring = -1; static int hf_ucp_deferred_delivery = -1; static int hf_ucp_diversion = -1; static int hf_ucp_parm_XSer = -1; static int hf_xser_service = -1; static int hf_xser_length = -1; static int hf_xser_data = -1; /* Initialize the subtree pointers */ static gint ett_ucp = -1; static gint ett_sub = -1; static gint ett_XSer = -1; static expert_field ei_ucp_stx_missing = EI_INIT; static expert_field ei_ucp_intstring_invalid = EI_INIT; /* Tap */ static int ucp_tap = -1; /* * Value-arrays for certain field-contents */ static const value_string vals_hdr_O_R[] = { { 'O', "Operation" }, { 'R', "Result" }, { 0, NULL } }; static const value_string vals_hdr_OT[] = { /* Operation type */ { 0, "Enquiry" }, { 1, "Call input" }, { 2, "Call input (multiple address)" }, { 3, "Call input (supplementary services included)" }, { 4, "Address list information" }, { 5, "Change address list" }, { 6, "Advice of accumulated charges" }, { 7, "Password management" }, { 8, "Legitimisation code management" }, { 9, "Standard text information" }, { 10, "Change standard text" }, { 11, "Request roaming information" }, { 12, "Change roaming information" }, { 13, "Roaming reset" }, { 14, "Message retrieval" }, { 15, "Request call barring" }, { 16, "Cancel call barring" }, { 17, "Request call diversion" }, { 18, "Cancel call diversion" }, { 19, "Request deferred delivery" }, { 20, "Cancel deferred delivery" }, { 21, "All features reset" }, { 22, "Call input (with specific character set)" }, { 23, "UCP version status request" }, { 24, "Mobile subscriber feature status request" }, { 30, "SMS message transfer" }, { 31, "SMT alert" }, { 32, "(proprietary)" }, { 34, "(proprietary)" }, { 36, "(proprietary)" }, { 38, "(proprietary)" }, { 40, "(proprietary)" }, { 41, "(proprietary)" }, { 42, "(proprietary)" }, { 43, "(proprietary)" }, { 44, "(proprietary)" }, { 45, "(proprietary)" }, { 51, "Submit short message" }, { 52, "Deliver short message" }, { 53, "Deliver notification" }, { 54, "Modify message" }, { 55, "Inquiry message" }, { 56, "Delete message" }, { 57, "Inquiry response message" }, { 58, "Delete response message" }, { 60, "Session management" }, { 61, "List management" }, { 95, "(proprietary)" }, { 96, "(proprietary)" }, { 97, "(proprietary)" }, { 98, "(proprietary)" }, { 99, "(proprietary)" }, { 0, NULL } }; static value_string_ext vals_hdr_OT_ext = VALUE_STRING_EXT_INIT(vals_hdr_OT); static const value_string vals_parm_EC[] = { /* Error code */ { 1, "Checksum error" }, { 2, "Syntax error" }, { 3, "Operation not supported by system" }, { 4, "Operation not allowed" }, { 5, "Call barring active" }, { 6, "AdC invalid" }, { 7, "Authentication failure" }, { 8, "Legitimisation code for all calls, failure" }, { 9, "GA not valid" }, { 10, "Repetition not allowed" }, { 11, "Legitimisation code for repetition, failure" }, { 12, "Priority call not allowed" }, { 13, "Legitimisation code for priority call, failure" }, { 14, "Urgent message not allowed" }, { 15, "Legitimisation code for urgent message, failure" }, { 16, "Reverse charging not allowed" }, { 17, "Legitimisation code for rev. charging, failure" }, { 18, "Deferred delivery not allowed" }, { 19, "New AC not valid" }, { 20, "New legitimisation code not valid" }, { 21, "Standard text not valid" }, { 22, "Time period not valid" }, { 23, "Message type not supported by system" }, { 24, "Message too long" }, { 25, "Requested standard text not valid" }, { 26, "Message type not valid for the pager type" }, { 27, "Message not found in SMSC" }, { 28, "Invalid character set" }, { 30, "Subscriber hang-up" }, { 31, "Fax group not supported" }, { 32, "Fax message type not supported" }, { 33, "Address already in list (60-series)" }, { 34, "Address not in list (60-series)" }, { 35, "List full, cannot add address to list (60-series)" }, { 36, "RPID already in use" }, { 37, "Delivery in progress" }, { 38, "Message forwarded" }, { 50, "Low network status" }, { 51, "Legitimisation code for standard text, failure" }, { 53, "Operation partially successful" }, { 54, "Operation not successful" }, { 55, "System error" }, { 57, "AdC already a member of GAdC address list" }, { 58, "AdC not a member of GAdC address list" }, { 59, "Requested standard text list invalid" }, { 61, "Not controller of GAdC address list" }, { 62, "Standard text too large" }, { 63, "Not owner of standard text list" }, { 64, "Address list full" }, { 65, "GAdC invalid" }, { 66, "Operation restricted to mobile subscribers" }, { 68, "Invalid AdC type" }, { 69, "Cannot add AdC to GAdC address list" }, { 90, "(proprietary error code)" }, { 91, "(proprietary error code)" }, { 92, "(proprietary error code)" }, { 93, "(proprietary error code)" }, { 94, "(proprietary error code)" }, { 95, "(proprietary error code)" }, { 96, "(proprietary error code)" }, { 97, "(proprietary error code)" }, { 98, "(proprietary error code)" }, { 99, "(proprietary error code)" }, { 0, NULL }, }; static value_string_ext vals_parm_EC_ext = VALUE_STRING_EXT_INIT(vals_parm_EC); static const value_string vals_parm_NRq[] = { { '0', "NAdC not used" }, { '1', "NAdC used" }, { 0, NULL }, }; static const value_string vals_parm_NT[] = { { '0', "Default value" }, { '1', "Delivery notification" }, { '2', "Non-delivery notification" }, { '3', "Delivery and Non-delivery notification" }, { '4', "Buffered message notification" }, { '5', "Buffered and Delivery notification" }, { '6', "Buffered and Non-delivery notification" }, { '7', "All notifications" }, { 0, NULL }, }; static const value_string vals_parm_PID[] = { { 100, "Mobile station" }, { 122, "Fax Group 3" }, { 131, "X.400" }, { 138, "Menu over PSTN" }, { 139, "PC appl. over PSTN (E.164)" }, { 339, "PC appl. over X.25 (X.121)" }, { 439, "PC appl. over ISDN (E.164)" }, { 539, "PC appl. over TCP/IP" }, { 639, "PC appl. via abbreviated number" }, { 0, NULL }, }; static const value_string vals_parm_LRq[] = { { '0', "LRAd not used" }, { '1', "LRAd used" }, { 0, NULL }, }; static const value_string vals_parm_DD[] = { { '0', "DDT not used" }, { '1', "DDT used" }, { 0, NULL }, }; static const value_string vals_parm_Dst[] = { { '0', "delivered" }, { '1', "buffered (see Rsn)" }, { '2', "not delivered (see Rsn)" }, { 0, NULL }, }; static const value_string vals_parm_Rsn[] = { { 0, "Unknown subscriber" }, { 1, "Service temporary not available" }, { 2, "Service temporary not available" }, { 3, "Service temporary not available" }, { 4, "Service temporary not available" }, { 5, "Service temporary not available" }, { 6, "Service temporary not available" }, { 7, "Service temporary not available" }, { 8, "Service temporary not available" }, { 9, "Illegal error code" }, { 10, "Network time-out" }, { 100, "Facility not supported" }, { 101, "Unknown subscriber" }, { 102, "Facility not provided" }, { 103, "Call barred" }, { 104, "Operation barred" }, { 105, "SC congestion" }, { 106, "Facility not supported" }, { 107, "Absent subscriber" }, { 108, "Delivery fail" }, { 109, "Sc congestion" }, { 110, "Protocol error" }, { 111, "MS not equipped" }, { 112, "Unknown SC" }, { 113, "SC congestion" }, { 114, "Illegal MS" }, { 115, "MS nota subscriber" }, { 116, "Error in MS" }, { 117, "SMS lower layer not provisioned" }, { 118, "System fail" }, { 119, "PLMN system failure" }, { 120, "HLR system failure" }, { 121, "VLR system failure" }, { 122, "Previous VLR system failure" }, { 123, "Controlling MSC system failure" }, { 124, "VMSC system failure" }, { 125, "EIR system failure" }, { 126, "System failure" }, { 127, "Unexpected data value" }, { 200, "Error in address service centre" }, { 201, "Invalid absolute validity period" }, { 202, "Short message exceeds maximum" }, { 203, "Unable to unpack GSM message" }, { 204, "Unable to convert to IRA alphabet" }, { 205, "Invalid validity period format" }, { 206, "Invalid destination address" }, { 207, "Duplicate message submit" }, { 208, "Invalid message type indicator" }, { 0, NULL }, }; static value_string_ext vals_parm_Rsn_ext = VALUE_STRING_EXT_INIT(vals_parm_Rsn); static const value_string vals_parm_MT[] = { { '2', "Numeric message" }, { '3', "Alphanumeric message" }, { '4', "Transparent data" }, { 0, NULL }, }; static const value_string vals_parm_DCs[] = { { '0', "default alphabet" }, { '1', "User defined data (8 bit)" }, { 0, NULL }, }; static const value_string vals_parm_MCLs[] = { { '0', "message class 0" }, { '1', "message class 1" }, { '2', "message class 2" }, { '3', "message class 3" }, { 0, NULL }, }; static const value_string vals_parm_RPI[] = { { '1', "Request" }, { '2', "Response" }, { 0, NULL }, }; static const value_string vals_parm_ACK[] = { { 'A', "Ack" }, { 'N', "Nack" }, { 0, NULL }, }; static const value_string vals_parm_RP[] = { { '1', "Repetition requested" }, { 0, NULL }, }; static const value_string vals_parm_UM[] = { { '1', "Urgent message" }, { 0, NULL }, }; static const value_string vals_parm_RC[] = { { '1', "Reverse charging request" }, { 0, NULL }, }; static const value_string vals_parm_OTON[] = { { '1', "International number" }, { '2', "National number" }, { '6', "Abbreviated number (short number alias)" }, { 0, NULL }, }; static const value_string vals_parm_ONPI[] = { { '1', "E.164 address" }, { '3', "X.121 address" }, { '5', "Private -TCP/IP or abbreviated number- address" }, { 0, NULL }, }; static const value_string vals_parm_STYP0[] = { { '1', "open session" }, { '2', "reserved" }, { '3', "change password" }, { '4', "open provisioning session" }, { '5', "reserved" }, { '6', "change provisioning password" }, { 0, NULL }, }; static const value_string vals_parm_STYP1[] = { { '1', "add item to mo-list" }, { '2', "remove item from mo-list" }, { '3', "verify item mo-list" }, { '4', "add item to mt-list" }, { '5', "remove item from mt-list" }, { '6', "verify item mt-list" }, { 0, NULL }, }; static const value_string vals_parm_OPID[] = { { 0, "Mobile station" }, { 39, "PC application" }, { 0, NULL }, }; static const value_string vals_parm_BAS[] = { { '1', "Barred" }, { 0, NULL }, }; static const value_string vals_parm_LAR[] = { { '1', "Leg. code for all calls requested" }, { 0, NULL }, }; static const value_string vals_parm_L1R[] = { { '1', "Leg. code for priority 1 requested" }, { 0, NULL }, }; static const value_string vals_parm_L3R[] = { { '1', "Leg. code for priority 3 requested" }, { 0, NULL }, }; static const value_string vals_parm_LCR[] = { { '1', "Leg. code for reverse charging requested" }, { 0, NULL }, }; static const value_string vals_parm_LUR[] = { { '1', "Leg. code for urgent message requested" }, { 0, NULL }, }; static const value_string vals_parm_LRR[] = { { '1', "Leg. code for repetition requested" }, { 0, NULL }, }; static const value_string vals_parm_RT[] = { { '1', "Tone only" }, { '2', "Numeric" }, { '3', "Alphanumeric" }, { '4', "Transparent data" }, { 0, NULL }, }; static const value_string vals_parm_PNC[] = { { 'H', "Home PNC" }, { 'I', "Input PNC" }, { 0, NULL }, }; static const value_string vals_parm_A_D[] = { { 'A', "Add" }, { 'D', "Delete" }, { 0, NULL }, }; static const value_string vals_parm_R_T[] = { { 'R', "Retrieval Ok" }, { 'T', "Retransmit on radio channel" }, { 0, NULL }, }; static const value_string vals_parm_REQ_OT[] = { { 'S', "Send used operation types" }, { 'N', "Don't send used operation types" }, { 0, NULL }, }; static const value_string vals_parm_SSTAT[] = { { '0', "All services" }, { '1', "All in the moment active services" }, { '2', "Call diversion" }, { '3', "Roaming information status" }, { '4', "Call barring status" }, { '5', "Deferred delivery status" }, { '6', "Number of stored messages" }, { 0, NULL }, }; static const value_string vals_xser_service[] = { { 1, "GSM UDH information" }, { 2, "GSM DCS information" }, { 3, "[Message Type] TDMA information exchange" }, { 4, "[Message Reference] TDMA information exchange" }, { 5, "[Privacy Indicator] TDMA information exchange" }, { 6, "[Urgency Indicator] TDMA information exchange" }, { 7, "[Acknowledgement Request] TDMA information exchange" }, { 8, "[Message Updating] TDMA information exchange" }, { 9, "[Call Back Number] TDMA information exchange" }, { 10, "[Response Code] TDMA information exchange" }, { 11, "[Teleservice ID] TDMA information exchange" }, { 12, "Billing identifier" }, { 13, "Single shot indicator" }, { 0, NULL }, }; static value_string_ext vals_xser_service_ext = VALUE_STRING_EXT_INIT(vals_xser_service); /* For statistics */ static void ucp_stats_tree_init(stats_tree* st) { st_ucp_messages = stats_tree_create_node(st, st_str_ucp, 0, TRUE); st_ucp_ops = stats_tree_create_node(st, st_str_ops, st_ucp_messages, TRUE); st_ucp_res = stats_tree_create_node(st, st_str_res, st_ucp_messages, TRUE); st_ucp_results = stats_tree_create_node(st, st_str_ucp_res, 0, TRUE); st_ucp_results_pos = stats_tree_create_node(st, st_str_pos, st_ucp_results, TRUE); st_ucp_results_neg = stats_tree_create_node(st, st_str_neg, st_ucp_results, TRUE); } static int ucp_stats_tree_per_packet(stats_tree *st, /* st as it was passed to us */ packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *p) /* Used for getting UCP stats */ { const ucp_tap_rec_t *tap_rec = (const ucp_tap_rec_t*)p; tick_stat_node(st, st_str_ucp, 0, TRUE); if (tap_rec->message_type == 0) /* Operation */ { tick_stat_node(st, st_str_ops, st_ucp_messages, TRUE); tick_stat_node(st, val_to_str_ext(tap_rec->operation, &vals_hdr_OT_ext, "Unknown OT: %d"), st_ucp_ops, FALSE); } else /* Result */ { tick_stat_node(st, st_str_res, st_ucp_messages, TRUE); tick_stat_node(st, val_to_str_ext(tap_rec->operation, &vals_hdr_OT_ext, "Unknown OT: %d"), st_ucp_res, FALSE); tick_stat_node(st, st_str_ucp_res, 0, TRUE); if (tap_rec->result == 0) /* Positive Result */ { tick_stat_node(st, st_str_pos, st_ucp_results, FALSE); } else /* Negative Result */ { tick_stat_node(st, st_str_neg, st_ucp_results, TRUE); tick_stat_node(st, val_to_str_ext(tap_rec->result, &vals_parm_EC_ext, "Unknown EC: %d"), st_ucp_results_neg, FALSE); } } return 1; } /*! * Checks whether the PDU looks a bit like UCP and checks the checksum * * Note: check_ucp is called only with a buffer of at least LEN+2 bytes. * IOW: The buffer should contain a complete UCP PDU [STX ... ETX] * * \param tvb The buffer with PDU-data * \param endpkt Returns pointer, indicating the end of the PDU * * \return The state of this PDU * 0 Definitely UCP * UCP_MALFORMED ??? * UCP_INV_CHK Nice packet, but checksum doesn't add up... */ static int check_ucp(tvbuff_t *tvb, int *endpkt) { guint offset = 1; guint checksum = 0; int pkt_check, tmp; int length; length = tvb_find_guint8(tvb, offset, -1, UCP_ETX); if (length == -1) { *endpkt = tvb_reported_length_remaining(tvb, offset); return UCP_MALFORMED; } for (; offset < (guint) (length - 2); offset++) checksum += tvb_get_guint8(tvb, offset); checksum &= 0xFF; tmp = tvb_get_guint8(tvb, offset++); pkt_check = AHex2Bin(tmp); tmp = tvb_get_guint8(tvb, offset++); pkt_check = 16 * pkt_check + AHex2Bin(tmp); *endpkt = offset + 1; if (checksum == (guint) pkt_check) return 0; else return UCP_INV_CHK; } /*! * UCP equivalent of mktime() (3). Convert date to standard 'time_t' format * * \param len The length of datestr * \param datestr The UCP-formatted date to convert * * \return The date in standard 'time_t' format. */ static time_t ucp_mktime(const gint len, const char *datestr) { struct tm r_time; r_time.tm_mday = (10 * (datestr[0] - '0') + (datestr[1] - '0')); if (len >= 4) r_time.tm_mon = (10 * (datestr[2] - '0') + (datestr[3] - '0')) - 1; else r_time.tm_mon = 0; if (len >= 6) r_time.tm_year = (10 * (datestr[4] - '0') + (datestr[5] - '0')); else r_time.tm_year = 0; if (r_time.tm_year < 90) r_time.tm_year += 100; if (len >= 8) r_time.tm_hour = (10 * (datestr[6] - '0') + (datestr[7] - '0')); else r_time.tm_hour = 0; if (len >= 10) r_time.tm_min = (10 * (datestr[8] - '0') + (datestr[9] - '0')); else r_time.tm_min = 0; if (len >= 12) r_time.tm_sec = (10 * (datestr[10] - '0') + (datestr[11] - '0')); else r_time.tm_sec = 0; r_time.tm_isdst = -1; return mktime(&r_time); } /*! * Scanning routines to add standard types (byte, int, string, data) * to the protocol-tree. Each field is seperated with a slash ('/'). * * \param tree The protocol tree to add to * \param tvb Buffer containing the data * \param field The actual field, whose value needs displaying * \param offset Location of field within the buffer, returns location * of next field. * */ static void ucp_handle_string(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { gint idx, len; idx = tvb_find_guint8(tvb, *offset, -1, '/'); if (idx == -1) { /* Force the appropriate exception to be thrown. */ len = tvb_captured_length_remaining(tvb, *offset); tvb_ensure_bytes_exist(tvb, *offset, len + 1); } else len = idx - *offset; if (len > 0) proto_tree_add_item(tree, field, tvb, *offset, len, ENC_ASCII|ENC_NA); *offset += len; if (idx != -1) *offset += 1; /* skip terminating '/' */ } #define UCP_BUFSIZ 512 static void ucp_handle_IRAstring(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { char strval[UCP_BUFSIZ + 1], *p_dst = strval; guint8 byte; int idx = 0; int tmpoff = *offset; while (((byte = tvb_get_guint8(tvb, tmpoff++)) != '/') && (idx < UCP_BUFSIZ)) { if (byte >= '0' && byte <= '9') { *p_dst = (byte - '0') * 16; } else { *p_dst = (byte - 'A' + 10) * 16; } if ((byte = tvb_get_guint8(tvb, tmpoff++)) == '/') { break; } if (byte >= '0' && byte <= '9') { *p_dst++ += byte - '0'; } else { *p_dst++ += byte - 'A' + 10; } idx++; } strval[idx] = '\0'; if (idx == UCP_BUFSIZ) { /* * Data clipped, eat rest of field */ while ((tvb_get_guint8(tvb, tmpoff++)) != '/') ; } if ((tmpoff - *offset) > 1) proto_tree_add_string(tree, field, tvb, *offset, tmpoff - *offset - 1, strval); *offset = tmpoff; } static guint ucp_handle_byte(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { guint intval = 0; if ((intval = tvb_get_guint8(tvb, (*offset)++)) != '/') { proto_tree_add_uint(tree, field, tvb, *offset - 1, 1, intval); (*offset)++; } return intval; } static guint ucp_handle_int(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, int field, int *offset) { gint idx, len; const char *strval; guint intval = 0; gboolean intval_valid; proto_item *pi; idx = tvb_find_guint8(tvb, *offset, -1, '/'); if (idx == -1) { /* Force the appropriate exception to be thrown. */ len = tvb_captured_length_remaining(tvb, *offset); tvb_ensure_bytes_exist(tvb, *offset, len + 1); } else len = idx - *offset; strval = tvb_get_string_enc(wmem_packet_scope(), tvb, *offset, len, ENC_ASCII); if (len > 0) { intval_valid = ws_strtou32(strval, NULL, &intval); pi = proto_tree_add_uint(tree, field, tvb, *offset, len, intval); if (!intval_valid) expert_add_info_format(pinfo, pi, &ei_ucp_intstring_invalid, "Invalid integer string: %s", strval); } *offset += len; if (idx != -1) *offset += 1; /* skip terminating '/' */ return intval; } static void ucp_handle_time(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { gint idx, len; const char *strval; time_t tval; nstime_t tmptime; idx = tvb_find_guint8(tvb, *offset, -1, '/'); if (idx == -1) { /* Force the appropriate exception to be thrown. */ len = tvb_captured_length_remaining(tvb, *offset); tvb_ensure_bytes_exist(tvb, *offset, len + 1); } else len = idx - *offset; strval = tvb_get_string_enc(wmem_packet_scope(), tvb, *offset, len, ENC_ASCII); if (len > 0) { tval = ucp_mktime(len, strval); tmptime.secs = tval; tmptime.nsecs = 0; proto_tree_add_time(tree, field, tvb, *offset, len, &tmptime); } *offset += len; if (idx != -1) *offset += 1; /* skip terminating '/' */ } static void ucp_handle_data(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { int tmpoff = *offset; while (tvb_get_guint8(tvb, tmpoff++) != '/') ; if ((tmpoff - *offset) > 1) proto_tree_add_item(tree, field, tvb, *offset, tmpoff - *offset - 1, ENC_NA); *offset = tmpoff; } static void ucp_handle_data_string(proto_tree *tree, tvbuff_t *tvb, int field, int *offset) { int tmpoff = *offset; while (tvb_get_guint8(tvb, tmpoff++) != '/') ; if ((tmpoff - *offset) > 1) proto_tree_add_item(tree, field, tvb, *offset, tmpoff - *offset - 1, ENC_ASCII|ENC_NA); *offset = tmpoff; } /*! * Handle the data-field within the UCP-message, according the Message Type * - 1 Tone only * - 2 Numeric message * - 3 Alphanumeric message * - 4 Transparent (binary) data * - 5 Standard text handling * - 6 Alphanumeric message in specified character set * * \param tree The protocol tree to add to * \param tvb Buffer containing the data * \param offset Location of field within the buffer, returns location * of next field. */ static void ucp_handle_mt(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, int *offset) { guint intval; intval = ucp_handle_byte(tree, tvb, hf_ucp_parm_MT, offset); switch (intval) { case '1': /* Tone only, no data */ break; case '4': /* TMsg, no of bits */ ucp_handle_string(tree, tvb, hf_ucp_parm_NB, offset); /* fall through here for the data piece */ case '2': ucp_handle_data(tree, tvb, hf_ucp_data_section, offset); break; case '3': ucp_handle_IRAstring(tree, tvb, hf_ucp_parm_AMsg, offset); break; case '5': ucp_handle_byte(tree, tvb, hf_ucp_parm_PNC, offset); ucp_handle_string(tree, tvb, hf_ucp_parm_LNo, offset); ucp_handle_string(tree, tvb, hf_ucp_parm_LST, offset); ucp_handle_string(tree, tvb, hf_ucp_parm_TNo, offset); break; case '6': ucp_handle_data(tree, tvb, hf_ucp_data_section, offset); ucp_handle_int(tree, pinfo, tvb, hf_ucp_parm_CS, offset); break; default: break; /* No data so ? */ } } /*! * Handle the data within the 'Extended services' field. Each field having the * format TTLLDD..., TT being the type of service, LL giving the length of the * field, DD... containing the actual data * * \param tree The protocol tree to add to * \param tvb Buffer containing the extended services data */ static void ucp_handle_XSer(proto_tree *tree, tvbuff_t *tvb) { int offset = 0; guint intval; int service; int len; while ((intval = tvb_get_guint8(tvb, offset)) != '/') { service = AHex2Bin(intval); intval = tvb_get_guint8(tvb, offset+1); service = service * 16 + AHex2Bin(intval); intval = tvb_get_guint8(tvb, offset+2); len = AHex2Bin(intval); intval = tvb_get_guint8(tvb, offset+3); len = len * 16 + AHex2Bin(intval); proto_tree_add_uint(tree, hf_xser_service, tvb, offset, 2, service); proto_tree_add_uint(tree, hf_xser_length, tvb, offset+2, 2, len); proto_tree_add_item(tree, hf_xser_data, tvb, offset+4, len*2, ENC_ASCII|ENC_NA); offset += 4 + (2 * len); } } /* Next definitions are just a convenient shorthand to make the coding a * bit more readable instead of summing up all these parameters. */ #define UcpHandleString(field) ucp_handle_string(tree, tvb, (field), &offset) #define UcpHandleIRAString(field) \ ucp_handle_IRAstring(tree, tvb, (field), &offset) #define UcpHandleByte(field) ucp_handle_byte(tree, tvb, (field), &offset) #define UcpHandleInt(field) ucp_handle_int(tree, pinfo, tvb, (field), &offset) #define UcpHandleTime(field) ucp_handle_time(tree, tvb, (field), &offset) #define UcpHandleData(field) ucp_handle_data(tree, tvb, (field), &offset) #define UcpHandleDataString(field)\ ucp_handle_data_string(tree, tvb, (field), &offset) /*! * The next set of routines handle the different operation types, * associated with UCP. */ static void add_00O(proto_tree *tree, tvbuff_t *tvb) { /* Enquiry */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); } static void add_00R(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { UcpHandleByte(hf_ucp_parm_BAS); UcpHandleByte(hf_ucp_parm_LAR); UcpHandleByte(hf_ucp_parm_L1R); UcpHandleByte(hf_ucp_parm_L3R); UcpHandleByte(hf_ucp_parm_LCR); UcpHandleByte(hf_ucp_parm_LUR); UcpHandleByte(hf_ucp_parm_LRR); UcpHandleByte(hf_ucp_parm_RT); UcpHandleInt(hf_ucp_parm_NoN); UcpHandleInt(hf_ucp_parm_NoA); UcpHandleInt(hf_ucp_parm_NoB); tap_rec->result = 0; } else { tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } } static void add_01O(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb) { /* Call input */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); ucp_handle_mt(tree, pinfo, tvb, &offset); } static void add_01R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'N') tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); else tap_rec->result = 0; UcpHandleString(hf_ucp_parm_SM); } static void add_02O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Multiple address call input*/ int offset = 1; guint intval; guint idx; intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); ucp_handle_mt(tree, pinfo, tvb, &offset); } #define add_02R(a, b, c, d) add_01R(a, b, c, d) static void add_03O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Call input with SS */ int offset = 1; guint intval; guint idx; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_GA); UcpHandleByte(hf_ucp_parm_RP); UcpHandleString(hf_ucp_parm_LRP); UcpHandleByte(hf_ucp_parm_PR); UcpHandleString(hf_ucp_parm_LPR); UcpHandleByte(hf_ucp_parm_UM); UcpHandleString(hf_ucp_parm_LUM); UcpHandleByte(hf_ucp_parm_RC); UcpHandleString(hf_ucp_parm_LRC); UcpHandleByte(hf_ucp_parm_DD); UcpHandleTime(hf_ucp_parm_DDT); /* DDMMYYHHmm */ ucp_handle_mt(tree, pinfo, tvb, &offset); } #define add_03R(a, b, c, d) add_01R(a, b, c, d) static void add_04O(proto_tree *tree, tvbuff_t *tvb) { /* Address list information */ int offset = 1; UcpHandleString(hf_ucp_parm_GAdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); } static void add_04R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_GAdC); tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_05O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Change address list */ int offset = 1; guint intval; guint idx; UcpHandleString(hf_ucp_parm_GAdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_AdC); UcpHandleByte(hf_ucp_parm_A_D); } #define add_05R(a, b, c, d) add_01R(a, b, c, d) static void add_06O(proto_tree *tree, tvbuff_t *tvb) { /* Advice of accum. charges */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); } static void add_06R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { UcpHandleTime(hf_ucp_parm_CT); UcpHandleString(hf_ucp_parm_AAC); tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_07O(proto_tree *tree, tvbuff_t *tvb) { /* Password management */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_NAC); } #define add_07R(a, b, c, d) add_01R(a, b, c, d) static void add_08O(proto_tree *tree, tvbuff_t *tvb) { /* Leg. code management */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_LAC); UcpHandleString(hf_ucp_parm_L1P); UcpHandleString(hf_ucp_parm_L3P); UcpHandleString(hf_ucp_parm_LRC); UcpHandleString(hf_ucp_parm_LUM); UcpHandleString(hf_ucp_parm_LRP); UcpHandleString(hf_ucp_parm_LST); } #define add_08R(a, b, c, d) add_01R(a, b, c, d) static void add_09O(proto_tree *tree, tvbuff_t *tvb) { /* Standard text information */ int offset = 1; UcpHandleString(hf_ucp_parm_LNo); UcpHandleString(hf_ucp_parm_LST); } static void add_09R(proto_tree *tree, packet_info *pinfo,tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_LST); tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_10O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Change standard text */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_LNo); UcpHandleString(hf_ucp_parm_TNo); UcpHandleData(hf_ucp_parm_STx); UcpHandleInt(hf_ucp_parm_CS); } #define add_10R(a, b, c, d) add_01R(a, b, c, d) #define add_11O(a, b) add_06O(a, b) /* Request roaming info */ static void add_11R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_GA); tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_12O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Change roaming */ int offset = 1; guint intval; guint idx; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleString(hf_ucp_parm_GA); } #define add_12R(a, b, c, d) add_01R(a, b, c, d) #define add_13O(a, c) add_06O(a, c) /* Roaming reset */ #define add_13R(a, b, c, d) add_01R(a, b, c, d) static void add_14O(proto_tree *tree, tvbuff_t *tvb) { /* Message retrieval */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_MNo); UcpHandleByte(hf_ucp_parm_R_T); } static void add_14R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { intval = UcpHandleInt(hf_ucp_parm_NPL); /* * Spec is unclear here. Is 'SM' part of the Msg:s field or not? * For now, assume it is part of it... */ for (idx = 0; idx < intval; idx++) UcpHandleData(hf_ucp_data_section); tap_rec->result = 0; } else { tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } } static void add_15O(proto_tree *tree, tvbuff_t *tvb) { /* Request call barring */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleTime(hf_ucp_parm_ST); UcpHandleTime(hf_ucp_parm_SP); } #define add_15R(a, b, c, d) add_01R(a, b, c, d) #define add_16O(a, b) add_06O(a, b) /* Cancel call barring */ #define add_16R(a, b, c, d) add_01R(a, b, c, d) static void add_17O(proto_tree *tree, tvbuff_t *tvb) { /* Request call diversion */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleString(hf_ucp_parm_DAdC); UcpHandleTime(hf_ucp_parm_ST); UcpHandleTime(hf_ucp_parm_SP); } #define add_17R(a, b, c, d) add_01R(a, b, c, d) #define add_18O(a, b) add_06O(a, b) /* Cancel call diversion */ #define add_18R(a, b, c, d) add_01R(a, b, c, d) static void add_19O(proto_tree *tree, tvbuff_t *tvb) { /* Request deferred delivery*/ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleTime(hf_ucp_parm_ST); UcpHandleTime(hf_ucp_parm_SP); } #define add_19R(a, b, c, d) add_01R(a, b, c, d) #define add_20O(a, b) add_06O(a, b) /* Cancel deferred delivery */ #define add_20R(a, b, c, d) add_01R(a, b, c, d) #define add_21O(a, b) add_06O(a, b) /* All features reset */ #define add_21R(a, b, c, d) add_01R(a, b, c, d) static void add_22O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* Call input w. add. CS */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_OAC); UcpHandleData(hf_ucp_data_section); UcpHandleInt(hf_ucp_parm_CS); } #define add_22R(a, b, c, d) add_01R(a, b, c, d) static void add_23O(proto_tree *tree, tvbuff_t *tvb) { /* UCP version status */ int offset = 1; UcpHandleString(hf_ucp_parm_IVR5x); UcpHandleByte(hf_ucp_parm_REQ_OT); } static void add_23R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { UcpHandleByte(hf_ucp_parm_IVR5x); intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleInt(hf_ucp_hdr_OT); tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_24O(proto_tree *tree, tvbuff_t *tvb) { /* Mobile subs. feature stat*/ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleByte(hf_ucp_parm_SSTAT); } static void add_24R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; guint idx; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { if ((intval = tvb_get_guint8(tvb, offset++)) != '/') { proto_tree_add_item(tree, hf_ucp_ga_roaming, tvb, offset - 1, 1, ENC_NA); if (intval == 'N') { proto_tree_add_item(tree, hf_ucp_not_subscribed, tvb, offset -1, 1, ENC_NA); offset++; } else { --offset; intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleData(hf_ucp_data_section); } } if ((intval = tvb_get_guint8(tvb, offset++)) != '/') { proto_tree_add_item(tree, hf_ucp_call_barring, tvb, offset - 1, 1, ENC_NA); if (intval == 'N') { proto_tree_add_item(tree, hf_ucp_not_subscribed, tvb, offset -1, 1, ENC_NA); offset++; } else { --offset; intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleData(hf_ucp_data_section); } } if ((intval = tvb_get_guint8(tvb, offset++)) != '/') { proto_tree_add_item(tree, hf_ucp_deferred_delivery, tvb, offset - 1, 1, ENC_NA); if (intval == 'N') { proto_tree_add_item(tree, hf_ucp_not_subscribed, tvb, offset -1, 1, ENC_NA); offset++; } else { --offset; intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleData(hf_ucp_data_section); } } if ((intval = tvb_get_guint8(tvb, offset++)) != '/') { proto_tree_add_item(tree, hf_ucp_diversion, tvb, offset - 1, 1, ENC_NA); if (intval == 'N') { proto_tree_add_item(tree, hf_ucp_not_subscribed, tvb, offset -1, 1, ENC_NA); offset++; } else { --offset; intval = UcpHandleInt(hf_ucp_parm_NPL); for (idx = 0; idx < intval; idx++) UcpHandleData(hf_ucp_data_section); } } UcpHandleInt(hf_ucp_parm_LMN); if ((intval = tvb_get_guint8(tvb, offset++)) != '/') { if (intval == 'N') { proto_tree_add_item(tree, hf_ucp_not_subscribed, tvb, offset -1, 1, ENC_NA); offset++; } else { --offset; UcpHandleInt(hf_ucp_parm_NMESS); } } tap_rec->result = 0; } else tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); UcpHandleString(hf_ucp_parm_SM); } static void add_30O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* SMS message transfer */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleByte(hf_ucp_parm_NRq); UcpHandleString(hf_ucp_parm_NAdC); UcpHandleInt(hf_ucp_parm_NPID); UcpHandleByte(hf_ucp_parm_DD); UcpHandleTime(hf_ucp_parm_DDT); /* DDMMYYHHmm */ UcpHandleTime(hf_ucp_parm_VP); /* DDMMYYHHmm */ UcpHandleIRAString(hf_ucp_parm_AMsg); } static void add_30R(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, ucp_tap_rec_t *tap_rec) { int offset = 1; guint intval; intval = UcpHandleByte(hf_ucp_parm_ACK); if (intval == 'A') { UcpHandleTime(hf_ucp_parm_MVP); /* DDMMYYHHmm */ tap_rec->result = 0; } else { tap_rec->result = UcpHandleInt(hf_ucp_parm_EC); } UcpHandleString(hf_ucp_parm_SM); } static void add_31O(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* SMT alert */ int offset = 1; UcpHandleString(hf_ucp_parm_AdC); UcpHandleInt(hf_ucp_parm_PID); } #define add_31R(a, b, c, d) add_01R(a, b, c, d) static void add_5xO(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb) { /* 50-series operations */ guint intval; int offset = 1; int tmpoff; proto_item *ti; tvbuff_t *tmptvb; UcpHandleString(hf_ucp_parm_AdC); UcpHandleString(hf_ucp_parm_OAdC); UcpHandleString(hf_ucp_parm_AC); UcpHandleByte(hf_ucp_parm_NRq); UcpHandleString(hf_ucp_parm_NAdC); UcpHandleByte(hf_ucp_parm_NT); UcpHandleInt(hf_ucp_parm_NPID); UcpHandleByte(hf_ucp_parm_LRq); UcpHandleString(hf_ucp_parm_LRAd); UcpHandleInt(hf_ucp_parm_LPID); UcpHandleByte(hf_ucp_parm_DD); UcpHandleTime(hf_ucp_parm_DDT); /* DDMMYYHHmm */ UcpHandleTime(hf_ucp_parm_VP); /* DDMMYYHHmm */ UcpHandleString(hf_ucp_parm_RPID); UcpHandleTime(hf_ucp_parm_SCTS); /* DDMMYYhhmmss */ UcpHandleByte(hf_ucp_parm_Dst); UcpHandleInt(hf_ucp_parm_Rsn); UcpHandleTime(hf_ucp_parm_DSCTS); /* DDMMYYhhmmss */ intval = UcpHandleByte(hf_ucp_parm_MT); UcpHandleString(hf_ucp_parm_NB); if (intval != '3') UcpHandleData(hf_ucp_data_section); else UcpHandleIRAString(hf_ucp_parm_AMsg); UcpHandleByte(hf_ucp_parm_MMS); UcpHandleByte(hf_ucp_parm_PR); UcpHandleByte(hf_ucp_parm_DCs); UcpHandleByte(hf_ucp_parm_MCLs); UcpHandleByte(hf_ucp_parm_RPI); if (tvb_get_guint8(tvb, offset++) != '/') { proto_tree_add_string(tree, hf_ucp_parm_CPg, tvb, offset - 1,1, "(reserved for Code Page)"); offset++; } if (tvb_get_guint8(tvb, offset++) != '/') { proto_tree_add_string(tree, hf_ucp_parm_RPLy, tvb, offset - 1,1, "(reserved for Reply type)"); offset++; } UcpHandleString(hf_ucp_parm_OTOA); UcpHandleString(hf_ucp_parm_HPLMN); tmpoff = offset; /* Extra services */ while (tvb_get_guint8(tvb, tmpoff++) != '/') ; if ((tmpoff - offset) > 1) { int len = tmpoff - offset - 1; proto_tree *subtree; ti = proto_tree_add_item(tree, hf_ucp_parm_XSer, tvb, offset, len, ENC_NA); tmptvb = tvb_new_subset_length(tvb, offset, len + 1); subtree = proto_item_add_subtree(ti, ett_XSer); ucp_handle_XSer(subtree, tmptvb); } offset = tmpoff; UcpHandleDataString(hf_ucp_parm_RES4); UcpHandleDataString(hf_ucp_parm_RES5); } #define add_5xR(a, b, c, d) add_30R(a, b, c, d) static void add_6xO(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, guint8 OT) { /* 60-series operations */ int offset = 1; UcpHandleString(hf_ucp_parm_OAdC); UcpHandleByte(hf_ucp_parm_OTON); UcpHandleByte(hf_ucp_parm_ONPI); if (OT == 60) { UcpHandleByte(hf_ucp_parm_STYP0); } else { UcpHandleByte(hf_ucp_parm_STYP1); } UcpHandleIRAString(hf_ucp_parm_PWD); UcpHandleIRAString(hf_ucp_parm_NPWD); UcpHandleString(hf_ucp_parm_VERS); UcpHandleString(hf_ucp_parm_LAdC); UcpHandleByte(hf_ucp_parm_LTON); UcpHandleByte(hf_ucp_parm_LNPI); if (OT == 60) { UcpHandleInt(hf_ucp_parm_OPID); } UcpHandleDataString(hf_ucp_parm_RES1); if (OT == 61) { UcpHandleDataString(hf_ucp_parm_RES2); } } #define add_6xR(a, b, c, d) add_01R(a, b, c, d) /* * End of convenient shorthands */ #undef UcpHandleString #undef UcpHandleIRAString #undef UcpHandleByte #undef UcpHandleInt #undef UcpHandleTime #undef UcpHandleData static guint get_ucp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_) { guint intval=0; int i; offset = offset + 4; for (i = 0; i < UCP_LEN_LEN; i++) { /* Length */ intval = 10 * intval + (tvb_get_guint8(tvb, offset) - '0'); offset++; } return intval + 2; } /* * The actual dissector */ /* We get here only with at least LEN+2 bytes in the buffer */ static int dissect_ucp_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; /* Offset in packet within tvbuff */ guint8 O_R; /* Request or response */ guint8 OT; /* Operation type */ guint intval; int i; int result; int endpkt; ucp_tap_rec_t *tap_rec; /* Tap record */ /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti; proto_item *sub_ti; proto_tree *ucp_tree; proto_tree *sub_tree; tvbuff_t *tmp_tvb; /* Make entries in Protocol column */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "UCP"); col_clear(pinfo->cinfo, COL_INFO); if (tvb_get_guint8(tvb, 0) != UCP_STX){ proto_tree_add_expert(tree, pinfo, &ei_ucp_stx_missing, tvb, 0, -1); return tvb_captured_length(tvb); } /* Get data needed for dissect_ucp_common */ result = check_ucp(tvb, &endpkt); O_R = tvb_get_guint8(tvb, UCP_O_R_OFFSET); OT = tvb_get_guint8(tvb, UCP_OT_OFFSET) - '0'; OT = 10 * OT + (tvb_get_guint8(tvb, UCP_OT_OFFSET + 1) - '0'); /* Create Tap record */ tap_rec = wmem_new0(wmem_packet_scope(), ucp_tap_rec_t); tap_rec->message_type = (O_R == 'O' ? 0 : 1); tap_rec->operation = OT; /* Make entries in Info column on summary display */ col_append_fstr(pinfo->cinfo, COL_INFO, "%s (%s)", val_to_str_ext_const(OT, &vals_hdr_OT_ext, "unknown operation"), val_to_str(O_R, vals_hdr_O_R, "Unknown (%d)")); if (result == UCP_INV_CHK) col_append_str(pinfo->cinfo, COL_INFO, " [checksum invalid]"); /* In the interest of speed, if "tree" is NULL, don't do any work not necessary to generate protocol tree items. */ if (tree) { /* create display subtree for the protocol */ ti = proto_tree_add_item(tree, proto_ucp, tvb, 0, -1, ENC_NA); ucp_tree = proto_item_add_subtree(ti, ett_ucp); /* * Process the packet here. * Transaction number */ offset++; /* Skip */ intval = tvb_get_guint8(tvb, offset+0) - '0'; intval = 10 * intval + (tvb_get_guint8(tvb, offset+1) - '0'); proto_tree_add_uint(ucp_tree, hf_ucp_hdr_TRN, tvb, offset, UCP_TRN_LEN, intval); offset += UCP_TRN_LEN + 1; /* Skip TN/ */ intval = 0; for (i = 0; i < UCP_LEN_LEN; i++) { /* Length */ intval = 10 * intval + (tvb_get_guint8(tvb, offset+i) - '0'); } proto_tree_add_uint(ucp_tree, hf_ucp_hdr_LEN, tvb, offset, UCP_LEN_LEN, intval); offset += UCP_LEN_LEN + 1; /* skip LEN/ */ proto_tree_add_uint(ucp_tree, hf_ucp_hdr_O_R, tvb, offset, UCP_O_R_LEN, O_R); offset += UCP_O_R_LEN + 1; /* skip Operation_type/ */ proto_tree_add_uint(ucp_tree, hf_ucp_hdr_OT, tvb, offset, UCP_OT_LEN, OT); offset += UCP_OT_LEN; /* * Variable part starts here. */ tmp_tvb = tvb_new_subset_remaining(tvb, offset); sub_ti = proto_tree_add_item(ucp_tree, hf_ucp_oper_section, tvb, offset, endpkt - offset, ENC_NA); sub_tree = proto_item_add_subtree(sub_ti, ett_sub); switch (OT) { case 0: O_R == 'O' ? add_00O(sub_tree, tmp_tvb) : add_00R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 1: O_R == 'O' ? add_01O(sub_tree, pinfo, tmp_tvb) : add_01R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 2: O_R == 'O' ? add_02O(sub_tree, pinfo, tmp_tvb) : add_02R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 3: O_R == 'O' ? add_03O(sub_tree, pinfo, tmp_tvb) : add_03R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 4: O_R == 'O' ? add_04O(sub_tree, tmp_tvb) : add_04R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 5: O_R == 'O' ? add_05O(sub_tree, pinfo, tmp_tvb) : add_05R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 6: O_R == 'O' ? add_06O(sub_tree, tmp_tvb) : add_06R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 7: O_R == 'O' ? add_07O(sub_tree,tmp_tvb) : add_07R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 8: O_R == 'O' ? add_08O(sub_tree,tmp_tvb) : add_08R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 9: O_R == 'O' ? add_09O(sub_tree,tmp_tvb) : add_09R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 10: O_R == 'O' ? add_10O(sub_tree, pinfo, tmp_tvb) : add_10R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 11: O_R == 'O' ? add_11O(sub_tree,tmp_tvb) : add_11R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 12: O_R == 'O' ? add_12O(sub_tree, pinfo, tmp_tvb) : add_12R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 13: O_R == 'O' ? add_13O(sub_tree, tmp_tvb) : add_13R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 14: O_R == 'O' ? add_14O(sub_tree,tmp_tvb) : add_14R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 15: O_R == 'O' ? add_15O(sub_tree,tmp_tvb) : add_15R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 16: O_R == 'O' ? add_16O(sub_tree,tmp_tvb) : add_16R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 17: O_R == 'O' ? add_17O(sub_tree,tmp_tvb) : add_17R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 18: O_R == 'O' ? add_18O(sub_tree,tmp_tvb) : add_18R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 19: O_R == 'O' ? add_19O(sub_tree,tmp_tvb) : add_19R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 20: O_R == 'O' ? add_20O(sub_tree,tmp_tvb) : add_20R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 21: O_R == 'O' ? add_21O(sub_tree,tmp_tvb) : add_21R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 22: O_R == 'O' ? add_22O(sub_tree, pinfo, tmp_tvb) : add_22R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 23: O_R == 'O' ? add_23O(sub_tree,tmp_tvb) : add_23R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 24: O_R == 'O' ? add_24O(sub_tree,tmp_tvb) : add_24R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 30: O_R == 'O' ? add_30O(sub_tree, pinfo, tmp_tvb) : add_30R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 31: O_R == 'O' ? add_31O(sub_tree, pinfo, tmp_tvb) : add_31R(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 51: case 52: case 53: case 54: case 55: case 56: case 57: case 58: O_R == 'O' ? add_5xO(sub_tree, pinfo, tmp_tvb) : add_5xR(sub_tree, pinfo, tmp_tvb, tap_rec); break; case 60: case 61: O_R == 'O' ? add_6xO(sub_tree, pinfo, tmp_tvb,OT) : add_6xR(sub_tree, pinfo, tmp_tvb, tap_rec); break; default: break; } } /* Queue packet for Tap */ tap_queue_packet(ucp_tap, pinfo, tap_rec); return tvb_captured_length(tvb); } static int dissect_ucp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { tcp_dissect_pdus(tvb, pinfo, tree, ucp_desegment, UCP_HEADER_SIZE, get_ucp_pdu_len, dissect_ucp_common, data); return tvb_captured_length(tvb); } /* * The heuristic dissector */ static gboolean dissect_ucp_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { conversation_t *conversation; /* Heuristic */ if (tvb_captured_length(tvb) < UCP_HEADER_SIZE) return FALSE; if ((tvb_get_guint8(tvb, 0) != UCP_STX) || (tvb_get_guint8(tvb, UCP_TRN_OFFSET + UCP_TRN_LEN) != '/') || (tvb_get_guint8(tvb, UCP_LEN_OFFSET + UCP_LEN_LEN) != '/') || (tvb_get_guint8(tvb, UCP_O_R_OFFSET + UCP_O_R_LEN) != '/') || (tvb_get_guint8(tvb, UCP_OT_OFFSET + UCP_OT_LEN) != '/')) return FALSE; if (try_val_to_str(tvb_get_guint8(tvb, UCP_O_R_OFFSET), vals_hdr_O_R) == NULL) return FALSE; /* * Ok, looks like a valid packet */ /* Set up a conversation with attached dissector so dissect_ucp_heur * won't be called any more for this TCP connection. */ conversation = find_or_create_conversation(pinfo); conversation_set_dissector(conversation, ucp_handle); dissect_ucp_tcp(tvb, pinfo, tree, data); return TRUE; } /* Register the protocol with Wireshark */ void proto_register_ucp(void) { /* Setup list of fields */ static hf_register_info hf[] = { { &hf_ucp_hdr_TRN, { "Transaction Reference Number", "ucp.hdr.TRN", FT_UINT8, BASE_DEC, NULL, 0x00, "Transaction number for this command, used in windowing.", HFILL } }, { &hf_ucp_hdr_LEN, { "Length", "ucp.hdr.LEN", FT_UINT16, BASE_DEC, NULL, 0x00, "Total number of characters between ....", HFILL } }, { &hf_ucp_hdr_O_R, { "Type", "ucp.hdr.O_R", FT_CHAR, BASE_HEX, VALS(vals_hdr_O_R), 0x00, "Your basic 'is a request or response'.", HFILL } }, { &hf_ucp_hdr_OT, { "Operation", "ucp.hdr.OT", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &vals_hdr_OT_ext, 0x00, "The operation that is requested with this message.", HFILL } }, { &hf_ucp_oper_section, { "Data", "ucp.parm", FT_NONE, BASE_NONE, NULL, 0x00, "The actual content of the operation.", HFILL } }, { &hf_ucp_parm_AdC, { "AdC", "ucp.parm.AdC", FT_STRING, BASE_NONE, NULL, 0x00, "Address code recipient.", HFILL } }, { &hf_ucp_parm_OAdC, { "OAdC", "ucp.parm.OAdC", FT_STRING, BASE_NONE, NULL, 0x00, "Address code originator.", HFILL } }, { &hf_ucp_parm_DAdC, { "DAdC", "ucp.parm.DAdC", FT_STRING, BASE_NONE, NULL, 0x00, "Diverted address code.", HFILL } }, { &hf_ucp_parm_AC, { "AC", "ucp.parm.AC", FT_STRING, BASE_NONE, NULL, 0x00, "Authentication code.", HFILL } }, { &hf_ucp_parm_OAC, { "OAC", "ucp.parm.OAC", FT_STRING, BASE_NONE, NULL, 0x00, "Authentication code, originator.", HFILL } }, { &hf_ucp_parm_NAC, { "NAC", "ucp.parm.NAC", FT_STRING, BASE_NONE, NULL, 0x00, "New authentication code.", HFILL } }, { &hf_ucp_parm_BAS, { "BAS", "ucp.parm.BAS", FT_CHAR, BASE_HEX, VALS(vals_parm_BAS), 0x00, "Barring status flag.", HFILL } }, { &hf_ucp_parm_LAR, { "LAR", "ucp.parm.LAR", FT_CHAR, BASE_HEX, VALS(vals_parm_LAR), 0x00, "Leg. code for all calls flag.", HFILL } }, { &hf_ucp_parm_LAC, { "LAC", "ucp.parm.LAC", FT_STRING, BASE_NONE, NULL, 0x00, "New leg. code for all calls.", HFILL } }, { &hf_ucp_parm_L1R, { "L1R", "ucp.parm.L1R", FT_CHAR, BASE_HEX, VALS(vals_parm_L1R), 0x00, "Leg. code for priority 1 flag.", HFILL } }, { &hf_ucp_parm_L1P, { "L1P", "ucp.parm.L1P", FT_STRING, BASE_NONE, NULL, 0x00, "New leg. code for level 1 priority.", HFILL } }, { &hf_ucp_parm_L3R, { "L3R", "ucp.parm.L3R", FT_CHAR, BASE_HEX, VALS(vals_parm_L3R), 0x00, "Leg. code for priority 3 flag.", HFILL } }, { &hf_ucp_parm_L3P, { "L3P", "ucp.parm.L3P", FT_STRING, BASE_NONE, NULL, 0x00, "New leg. code for level 3 priority.", HFILL } }, { &hf_ucp_parm_LCR, { "LCR", "ucp.parm.LCR", FT_CHAR, BASE_HEX, VALS(vals_parm_LCR), 0x00, "Leg. code for reverse charging flag.", HFILL } }, { &hf_ucp_parm_LUR, { "LUR", "ucp.parm.LUR", FT_CHAR, BASE_HEX, VALS(vals_parm_LUR), 0x00, "Leg. code for urgent message flag.", HFILL } }, { &hf_ucp_parm_LRR, { "LRR", "ucp.parm.LRR", FT_CHAR, BASE_HEX, VALS(vals_parm_LRR), 0x00, "Leg. code for repetition flag.", HFILL } }, { &hf_ucp_parm_RT, { "RT", "ucp.parm.RT", FT_CHAR, BASE_HEX, VALS(vals_parm_RT), 0x00, "Receiver type.", HFILL } }, { &hf_ucp_parm_NoN, { "NoN", "ucp.parm.NoN", FT_UINT16, BASE_DEC, NULL, 0x00, "Maximum number of numerical characters accepted.", HFILL } }, { &hf_ucp_parm_NoA, { "NoA", "ucp.parm.NoA", FT_UINT16, BASE_DEC, NULL, 0x00, "Maximum number of alphanumerical characters accepted.", HFILL } }, { &hf_ucp_parm_NoB, { "NoB", "ucp.parm.NoB", FT_UINT16, BASE_DEC, NULL, 0x00, "Maximum number of data bits accepted.", HFILL } }, { &hf_ucp_parm_PNC, { "PNC", "ucp.parm.PNC", FT_CHAR, BASE_HEX, VALS(vals_parm_PNC), 0x00, "Paging network controller.", HFILL } }, { &hf_ucp_parm_AMsg, { "AMsg", "ucp.parm.AMsg", FT_STRING, BASE_NONE, NULL, 0x00, "The alphanumeric message that is being sent.", HFILL } }, { &hf_ucp_parm_LNo, { "LNo", "ucp.parm.LNo", FT_STRING, BASE_NONE, NULL, 0x00, "Standard text list number requested by calling party.", HFILL } }, { &hf_ucp_parm_LST, { "LST", "ucp.parm.LST", FT_STRING, BASE_NONE, NULL, 0x00, "Legitimisation code for standard text.", HFILL } }, { &hf_ucp_parm_TNo, { "TNo", "ucp.parm.TNo", FT_STRING, BASE_NONE, NULL, 0x00, "Standard text number requested by calling party.", HFILL } }, { &hf_ucp_parm_CS, { "CS", "ucp.parm.CS", FT_UINT8, BASE_DEC, NULL, 0x00, "Additional character set number.", HFILL } }, { &hf_ucp_parm_PID, { "PID", "ucp.parm.PID", FT_UINT16, BASE_DEC, VALS(vals_parm_PID), 0x00, "SMT PID value.", HFILL } }, { &hf_ucp_parm_NPL, { "NPL", "ucp.parm.NPL", FT_UINT16, BASE_DEC, NULL, 0x00, "Number of parameters in the following list.", HFILL } }, { &hf_ucp_parm_GA, { "GA", "ucp.parm.GA", FT_STRING, BASE_NONE, NULL, 0x00, "GA?? haven't got a clue.", HFILL } }, { &hf_ucp_parm_RP, { "RP", "ucp.parm.RP", FT_CHAR, BASE_HEX, VALS(vals_parm_RP), 0x00, "Repetition requested.", HFILL } }, { &hf_ucp_parm_LRP, { "LRP", "ucp.parm.LRP", FT_STRING, BASE_NONE, NULL, 0x00, "Legitimisation code for repetition.", HFILL } }, { &hf_ucp_parm_PR, { "PR", "ucp.parm.PR", FT_UINT8, BASE_DEC, NULL, 0x00, "Priority requested.", HFILL } }, { &hf_ucp_parm_LPR, { "LPR", "ucp.parm.LPR", FT_STRING, BASE_NONE, NULL, 0x00, "Legitimisation code for priority requested.", HFILL } }, { &hf_ucp_parm_UM, { "UM", "ucp.parm.UM", FT_CHAR, BASE_HEX, VALS(vals_parm_UM), 0x00, "Urgent message indicator.", HFILL } }, { &hf_ucp_parm_LUM, { "LUM", "ucp.parm.LUM", FT_STRING, BASE_NONE, NULL, 0x00, "Legitimisation code for urgent message.", HFILL } }, { &hf_ucp_parm_RC, { "RC", "ucp.parm.RC", FT_CHAR, BASE_HEX, VALS(vals_parm_RC), 0x00, "Reverse charging request.", HFILL } }, { &hf_ucp_parm_LRC, { "LRC", "ucp.parm.LRC", FT_STRING, BASE_NONE, NULL, 0x00, "Legitimisation code for reverse charging.", HFILL } }, { &hf_ucp_parm_NRq, { "NRq", "ucp.parm.NRq", FT_CHAR, BASE_HEX, VALS(vals_parm_NRq), 0x00, "Notification request.", HFILL } }, { &hf_ucp_parm_GAdC, { "GAdC", "ucp.parm.GAdC", FT_STRING, BASE_NONE, NULL, 0x00, "Group address code.", HFILL } }, { &hf_ucp_parm_A_D, { "A_D", "ucp.parm.A_D", FT_CHAR, BASE_HEX, VALS(vals_parm_A_D), 0x00, "Add to/delete from fixed subscriber address list record.", HFILL } }, { &hf_ucp_parm_CT, { "CT", "ucp.parm.CT", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Accumulated charges timestamp.", HFILL } }, { &hf_ucp_parm_AAC, { "AAC", "ucp.parm.AAC", FT_STRING, BASE_NONE, NULL, 0x00, "Accumulated charges.", HFILL } }, { &hf_ucp_parm_MNo, { "MNo", "ucp.parm.MNo", FT_STRING, BASE_NONE, NULL, 0x00, "Message number.", HFILL } }, { &hf_ucp_parm_R_T, { "R_T", "ucp.parm.R_T", FT_CHAR, BASE_HEX, VALS(vals_parm_R_T), 0x00, "Message number.", HFILL } }, { &hf_ucp_parm_NAdC, { "NAdC", "ucp.parm.NAdC", FT_STRING, BASE_NONE, NULL, 0x00, "Notification address.", HFILL } }, { &hf_ucp_parm_NT, { "NT", "ucp.parm.NT", FT_CHAR, BASE_HEX, VALS(vals_parm_NT), 0x00, "Notification type.", HFILL } }, { &hf_ucp_parm_IVR5x, { "IVR5x", "ucp.parm.IVR5x", FT_STRING, BASE_NONE, NULL, 0x00, "UCP release number supported/accepted.", HFILL } }, { &hf_ucp_parm_REQ_OT, { "REQ_OT", "ucp.parm.REQ_OT", FT_CHAR, BASE_HEX, VALS(vals_parm_REQ_OT), 0x00, "UCP release number supported/accepted.", HFILL } }, { &hf_ucp_parm_SSTAT, { "SSTAT", "ucp.parm.SSTAT", FT_CHAR, BASE_HEX, VALS(vals_parm_SSTAT), 0x00, "Supplementary services for which status is requested.", HFILL } }, { &hf_ucp_parm_LMN, { "LMN", "ucp.parm.LMN", FT_UINT8, BASE_DEC, NULL, 0x00, "Last message number.", HFILL } }, { &hf_ucp_parm_NMESS, { "NMESS", "ucp.parm.NMESS", FT_UINT8, BASE_DEC, NULL, 0x00, "Number of stored messages.", HFILL } }, { &hf_ucp_parm_NPID, { "NPID", "ucp.parm.NPID", FT_UINT16, BASE_DEC, VALS(vals_parm_PID), 0x00, "Notification PID value.", HFILL } }, { &hf_ucp_parm_LRq, { "LRq", "ucp.parm.LRq", FT_CHAR, BASE_HEX, VALS(vals_parm_LRq), 0x00, "Last resort address request.", HFILL } }, { &hf_ucp_parm_LRAd, { "LRAd", "ucp.parm.LRAd", FT_STRING, BASE_NONE, NULL, 0x00, "Last resort address.", HFILL } }, { &hf_ucp_parm_LPID, { "LPID", "ucp.parm.LPID", FT_UINT16, BASE_DEC, VALS(vals_parm_PID), 0x00, "Last resort PID value.", HFILL } }, { &hf_ucp_parm_DD, { "DD", "ucp.parm.DD", FT_CHAR, BASE_HEX, VALS(vals_parm_DD), 0x00, "Deferred delivery requested.", HFILL } }, { &hf_ucp_parm_DDT, { "DDT", "ucp.parm.DDT", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Deferred delivery time.", HFILL } }, { &hf_ucp_parm_STx, { "STx", "ucp.parm.STx", FT_NONE, BASE_NONE, NULL, 0x00, "Standard text.", HFILL } }, { &hf_ucp_parm_ST, { "ST", "ucp.parm.ST", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Start time.", HFILL } }, { &hf_ucp_parm_SP, { "SP", "ucp.parm.SP", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Stop time.", HFILL } }, { &hf_ucp_parm_VP, { "VP", "ucp.parm.VP", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Validity period.", HFILL } }, { &hf_ucp_parm_RPID, { "RPID", "ucp.parm.RPID", FT_STRING, BASE_NONE, NULL, 0x00, "Replace PID", HFILL } }, { &hf_ucp_parm_SCTS, { "SCTS", "ucp.parm.SCTS", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Service Centre timestamp.", HFILL } }, { &hf_ucp_parm_Dst, { "Dst", "ucp.parm.Dst", FT_CHAR, BASE_HEX, VALS(vals_parm_Dst), 0x00, "Delivery status.", HFILL } }, { &hf_ucp_parm_Rsn, { "Rsn", "ucp.parm.Rsn", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &vals_parm_Rsn_ext, 0x00, "Reason code.", HFILL } }, { &hf_ucp_parm_DSCTS, { "DSCTS", "ucp.parm.DSCTS", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Delivery timestamp.", HFILL } }, { &hf_ucp_parm_MT, { "MT", "ucp.parm.MT", FT_CHAR, BASE_HEX, VALS(vals_parm_MT), 0x00, "Message type.", HFILL } }, { &hf_ucp_parm_NB, { "NB", "ucp.parm.NB", FT_STRING, BASE_NONE, NULL, 0x00, "No. of bits in Transparent Data (TD) message.", HFILL } }, { &hf_ucp_data_section, { "Data", "ucp.message", FT_NONE, BASE_NONE, NULL, 0x00, "The actual message or data.", HFILL } }, { &hf_ucp_parm_MMS, { "MMS", "ucp.parm.MMS", FT_UINT8, BASE_DEC, NULL, 0x00, "More messages to send.", HFILL } }, { &hf_ucp_parm_DCs, { "DCs", "ucp.parm.DCs", FT_CHAR, BASE_HEX, VALS(vals_parm_DCs), 0x00, "Data coding scheme (deprecated).", HFILL } }, { &hf_ucp_parm_MCLs, { "MCLs", "ucp.parm.MCLs", FT_CHAR, BASE_HEX, VALS(vals_parm_MCLs), 0x00, "Message class.", HFILL } }, { &hf_ucp_parm_RPI, { "RPI", "ucp.parm.RPI", FT_CHAR, BASE_HEX, VALS(vals_parm_RPI), 0x00, "Reply path.", HFILL } }, { &hf_ucp_parm_CPg, { "CPg", "ucp.parm.CPg", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for Code Page.", HFILL } }, { &hf_ucp_parm_RPLy, { "RPLy", "ucp.parm.RPLy", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for Reply type.", HFILL } }, { &hf_ucp_parm_OTOA, { "OTOA", "ucp.parm.OTOA", FT_STRING, BASE_NONE, NULL, 0x00, "Originator Type Of Address.", HFILL } }, { &hf_ucp_parm_HPLMN, { "HPLMN", "ucp.parm.HPLMN", FT_STRING, BASE_NONE, NULL, 0x00, "Home PLMN address.", HFILL } }, { &hf_ucp_parm_XSer, { "Extra services:", "ucp.parm.XSer", FT_NONE, BASE_NONE, NULL, 0x00, "Extra services.", HFILL } }, { &hf_ucp_parm_RES4, { "RES4", "ucp.parm.RES4", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for future use.", HFILL } }, { &hf_ucp_parm_RES5, { "RES5", "ucp.parm.RES5", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for future use.", HFILL } }, { &hf_ucp_parm_OTON, { "OTON", "ucp.parm.OTON", FT_CHAR, BASE_HEX, VALS(vals_parm_OTON), 0x00, "Originator type of number.", HFILL } }, { &hf_ucp_parm_ONPI, { "ONPI", "ucp.parm.ONPI", FT_CHAR, BASE_HEX, VALS(vals_parm_ONPI), 0x00, "Originator numbering plan id.", HFILL } }, { &hf_ucp_parm_STYP0, { "STYP0", "ucp.parm.STYP0", FT_CHAR, BASE_HEX, VALS(vals_parm_STYP0), 0x00, "Subtype of operation.", HFILL } }, { &hf_ucp_parm_STYP1, { "STYP1", "ucp.parm.STYP1", FT_CHAR, BASE_HEX, VALS(vals_parm_STYP1), 0x00, "Subtype of operation.", HFILL } }, { &hf_ucp_parm_PWD, { "PWD", "ucp.parm.PWD", FT_STRING, BASE_NONE, NULL, 0x00, "Current password.", HFILL } }, { &hf_ucp_parm_NPWD, { "NPWD", "ucp.parm.NPWD", FT_STRING, BASE_NONE, NULL, 0x00, "New password.", HFILL } }, { &hf_ucp_parm_VERS, { "VERS", "ucp.parm.VERS", FT_STRING, BASE_NONE, NULL, 0x00, "Version number.", HFILL } }, { &hf_ucp_parm_LAdC, { "LAdC", "ucp.parm.LAdC", FT_STRING, BASE_NONE, NULL, 0x00, "Address for VSMSC list operation.", HFILL } }, { &hf_ucp_parm_LTON, { "LTON", "ucp.parm.LTON", FT_UINT8, BASE_DEC, NULL, 0x00, "Type of number list address.", HFILL } }, { &hf_ucp_parm_LNPI, { "LNPI", "ucp.parm.LNPI", FT_UINT8, BASE_DEC, NULL, 0x00, "Numbering plan id. list address.", HFILL } }, { &hf_ucp_parm_OPID, { "OPID", "ucp.parm.OPID", FT_UINT8, BASE_DEC, VALS(vals_parm_OPID), 0x00, "Originator protocol identifier.", HFILL } }, { &hf_ucp_parm_RES1, { "RES1", "ucp.parm.RES1", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for future use.", HFILL } }, { &hf_ucp_parm_RES2, { "RES2", "ucp.parm.RES2", FT_STRING, BASE_NONE, NULL, 0x00, "Reserved for future use.", HFILL } }, { &hf_ucp_parm_ACK, { "(N)Ack", "ucp.parm.ACK", FT_CHAR, BASE_HEX, VALS(vals_parm_ACK), 0x00, "Positive or negative acknowledge of the operation.", HFILL } }, { &hf_ucp_parm_MVP, { "MVP", "ucp.parm.MVP", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "Modified validity period.", HFILL } }, { &hf_ucp_parm_EC, { "Error code", "ucp.parm.EC", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &vals_parm_EC_ext, 0x00, "The result of the requested operation.", HFILL } }, { &hf_ucp_parm_SM, { "SM", "ucp.parm.SM", FT_STRING, BASE_NONE, NULL, 0x00, "System message.", HFILL } }, { &hf_ucp_ga_roaming, { "GA roaming definitions", "ucp.parm.ga_roaming", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_ucp_call_barring, { "Call barring definitions", "ucp.parm.call_barring", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_ucp_deferred_delivery, { "Deferred delivery definitions", "ucp.parm.deferred_delivery", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_ucp_diversion, { "Diversion definitions", "ucp.parm.diversion", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_ucp_not_subscribed, { "Not subscribed/not allowed", "ucp.parm.not_subscribed", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_xser_service, { "Type of service", "ucp.xser.service", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &vals_xser_service_ext, 0x00, "The type of service specified.", HFILL } }, { &hf_xser_length, { "Length", "ucp.xser.length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_xser_data, { "Data", "ucp.xser.data", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_ucp, &ett_sub, &ett_XSer }; static ei_register_info ei[] = { { &ei_ucp_stx_missing, { "ucp.stx_missing", PI_MALFORMED, PI_ERROR, "UCP_STX missing, this is not a new packet", EXPFILL }}, { &ei_ucp_intstring_invalid, { "ucp.intstring.invalid", PI_MALFORMED, PI_ERROR, "Invalid integer string", EXPFILL }} }; module_t *ucp_module; expert_module_t* expert_ucp; /* Register the protocol name and description */ proto_ucp = proto_register_protocol("Universal Computer Protocol", "UCP", "ucp"); /* Required function calls to register header fields and subtrees used */ proto_register_field_array(proto_ucp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_ucp = expert_register_protocol(proto_ucp); expert_register_field_array(expert_ucp, ei, array_length(ei)); /* Register for tapping */ ucp_tap = register_tap("ucp"); /* register preferences */ ucp_module = prefs_register_protocol(proto_ucp, NULL); prefs_register_bool_preference(ucp_module, "desegment_ucp_messages", "Reassemble UCP messages spanning multiple TCP segments", "Whether the UCP 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.", &ucp_desegment); } void proto_reg_handoff_ucp(void) { /* * UCP can be spoken on any port so, when not on a specific port, try heuristic * whenever TCP is spoken. */ heur_dissector_add("tcp", dissect_ucp_heur, "UCP over TCP", "ucp_tcp", proto_ucp, HEURISTIC_ENABLE); /* * Also register as a dissector that can be selected by a TCP port number via "decode as". */ ucp_handle = create_dissector_handle(dissect_ucp_tcp, proto_ucp); dissector_add_for_decode_as_with_preference("tcp.port", ucp_handle); /* Tapping setup */ stats_tree_register_with_group("ucp", "ucp_messages", "_UCP Messages", 0, ucp_stats_tree_per_packet, ucp_stats_tree_init, NULL, REGISTER_STAT_GROUP_TELEPHONY); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */