/* This file contains all data structures and definitions associated with facility message usage and the ROSE components included within those messages. by Matthew Fredrickson Copyright (C) Digium, Inc. 2004-2005 */ /* * See http://www.asterisk.org for more information about * the Asterisk project. Please do not directly contact * any of the maintainers of this project for assistance; * the project provides a web site, mailing lists and IRC * channels for your use. * * This program is free software, distributed under the terms of * the GNU General Public License Version 2 as published by the * Free Software Foundation. See the LICENSE file included with * this program for more details. * * In addition, when this program is distributed with Asterisk in * any form that would qualify as a 'combined work' or as a * 'derivative work' (but not mere aggregation), you can redistribute * and/or modify the combination under the terms of the license * provided with that copy of Asterisk, instead of the license * terms granted here. */ #ifndef _PRI_FACILITY_H #define _PRI_FACILITY_H #include "pri_q931.h" /* Protocol Profile field */ #define Q932_PROTOCOL_ROSE 0x11 /* X.219 & X.229 */ #define Q932_PROTOCOL_CMIP 0x12 /* Q.941 */ #define Q932_PROTOCOL_ACSE 0x13 /* X.217 & X.227 */ #define Q932_PROTOCOL_GAT 0x16 #define Q932_PROTOCOL_EXTENSIONS 0x1F /* Argument values */ #define ROSE_NAME_PRESENTATION_ALLOWED_SIMPLE 0x80 #define ROSE_NAME_PRESENTATION_RESTRICTED_NULL 0x87 #define ROSE_NAME_NOT_AVAIL 0x84 /* Component types */ #define COMP_TYPE_INTERPRETATION 0x8B #define COMP_TYPE_NETWORK_PROTOCOL_PROFILE 0x92 #define COMP_TYPE_INVOKE 0xA1 #define COMP_TYPE_RETURN_RESULT 0xA2 #define COMP_TYPE_RETURN_ERROR 0xA3 #define COMP_TYPE_REJECT 0xA4 #define COMP_TYPE_NFE 0xAA /* Operation ID values */ /* Q.952.7 (ECMA-178) ROSE operations (Transfer) */ #define ROSE_CALL_TRANSFER_IDENTIFY 7 #define ROSE_CALL_TRANSFER_ABANDON 8 #define ROSE_CALL_TRANSFER_INITIATE 9 #define ROSE_CALL_TRANSFER_SETUP 10 #define ROSE_CALL_TRANSFER_ACTIVE 11 #define ROSE_CALL_TRANSFER_COMPLETE 12 #define ROSE_CALL_TRANSFER_UPDATE 13 #define ROSE_SUBADDRESS_TRANSFER 14 /* Q.952 ROSE operations (Diverting) */ #define ROSE_DIVERTING_LEG_INFORMATION1 18 #define ROSE_DIVERTING_LEG_INFORMATION2 0x15 #define ROSE_DIVERTING_LEG_INFORMATION3 19 /* Q.956 ROSE operations (Advice Of Charge) */ #define ROSE_AOC_NO_CHARGING_INFO_AVAILABLE 26 #define ROSE_AOC_CHARGING_REQUEST 30 #define ROSE_AOC_AOCS_CURRENCY 31 #define ROSE_AOC_AOCS_SPECIAL_ARR 32 #define ROSE_AOC_AOCD_CURRENCY 33 #define ROSE_AOC_AOCD_CHARGING_UNIT 34 #define ROSE_AOC_AOCE_CURRENCY 35 #define ROSE_AOC_AOCE_CHARGING_UNIT 36 #define ROSE_AOC_IDENTIFICATION_OF_CHARGE 37 /* Q.SIG operations */ #define SS_CNID_CALLINGNAME 0 #define SS_ANFPR_PATHREPLACEMENT 4 #define SS_DIVERTING_LEG_INFORMATION2 21 #define SS_MWI_ACTIVATE 80 #define SS_MWI_DEACTIVATE 81 #define SS_MWI_INTERROGATE 82 /* ROSE definitions and data structures */ #define INVOKE_IDENTIFIER 0x02 #define INVOKE_LINKED_IDENTIFIER 0x80 #define INVOKE_NULL_IDENTIFIER __USE_ASN1_NULL /* ASN.1 Identifier Octet - Data types */ #define ASN1_TYPE_MASK 0x1f #define ASN1_BOOLEAN 0x01 #define ASN1_INTEGER 0x02 #define ASN1_BITSTRING 0x03 #define ASN1_OCTETSTRING 0x04 #define ASN1_NULL 0x05 #define ASN1_OBJECTIDENTIFIER 0x06 #define ASN1_OBJECTDESCRIPTOR 0x07 #define ASN1_EXTERN 0x08 #define ASN1_REAL 0x09 #define ASN1_ENUMERATED 0x0a #define ASN1_EMBEDDEDPDV 0x0b #define ASN1_UTF8STRING 0x0c #define ASN1_RELATIVEOBJECTID 0x0d /* 0x0e & 0x0f are reserved for future ASN.1 editions */ #define ASN1_SEQUENCE 0x10 #define ASN1_SET 0x11 #define ASN1_NUMERICSTRING 0x12 #define ASN1_PRINTABLESTRING 0x13 #define ASN1_TELETEXSTRING 0x14 #define ASN1_IA5STRING 0x16 #define ASN1_UTCTIME 0x17 #define ASN1_GENERALIZEDTIME 0x18 /* ASN.1 Identifier Octet - Tags */ #define ASN1_TAG_0 0x00 #define ASN1_TAG_1 0x01 #define ASN1_TAG_2 0x02 #define ASN1_TAG_3 0x03 #define ASN1_TAG_4 0x04 #define ASN1_TAG_5 0x05 #define ASN1_TAG_6 0x06 #define ASN1_TAG_7 0x07 #define ASN1_TAG_8 0x08 #define ASN1_TAG_9 0x09 /* ASN.1 Identifier Octet - Primitive/Constructor Bit */ #define ASN1_PC_MASK 0x20 #define ASN1_PRIMITIVE 0x00 #define ASN1_CONSTRUCTOR 0x20 /* ASN.1 Identifier Octet - Clan Bits */ #define ASN1_CLAN_MASK 0xc0 #define ASN1_UNIVERSAL 0x00 #define ASN1_APPLICATION 0x40 #define ASN1_CONTEXT_SPECIFIC 0x80 #define ASN1_PRIVATE 0xc0 /* ASN.1 Length masks */ #define ASN1_LEN_INDEF 0x80 #define INVOKE_OPERATION_INT __USE_ASN1_INTEGER #define INVOKE_OBJECT_ID __USE_ASN1_OBJECTIDENTIFIER /* Q.952 Divert cause */ #define Q952_DIVERT_REASON_UNKNOWN 0x00 #define Q952_DIVERT_REASON_CFU 0x01 #define Q952_DIVERT_REASON_CFB 0x02 #define Q952_DIVERT_REASON_CFNR 0x03 #define Q952_DIVERT_REASON_CD 0x04 #define Q952_DIVERT_REASON_IMMEDIATE 0x05 /* Q.SIG Divert cause. Listed in ECMA-174 */ #define QSIG_DIVERT_REASON_UNKNOWN 0x00 /* Call forward unknown reason */ #define QSIG_DIVERT_REASON_CFU 0x01 /* Call Forward Unconditional (other reason) */ #define QSIG_DIVERT_REASON_CFB 0x02 /* Call Forward Busy */ #define QSIG_DIVERT_REASON_CFNR 0x03 /* Call Forward No Reply */ /* Q.932 Type of number */ #define Q932_TON_UNKNOWN 0x00 #define Q932_TON_INTERNATIONAL 0x01 #define Q932_TON_NATIONAL 0x02 #define Q932_TON_NET_SPECIFIC 0x03 #define Q932_TON_SUBSCRIBER 0x04 #define Q932_TON_ABBREVIATED 0x06 /* RLT related Operations */ #define RLT_SERVICE_ID 0x3e #define RLT_OPERATION_IND 0x01 #define RLT_THIRD_PARTY 0x02 struct rose_component { u_int8_t type; u_int8_t len; u_int8_t data[0]; }; #if 1 #define GET_COMPONENT(component, idx, ptr, length) \ if ((idx)+2 > (length)) \ break; \ (component) = (struct rose_component*)&((ptr)[idx]); \ if ((idx)+(component)->len+2 > (length)) { \ if ((component)->len != ASN1_LEN_INDEF) \ pri_message(pri, "Length (%d) of 0x%X component is too long\n", (component)->len, (component)->type); \ } #else /* Debugging */ #define GET_COMPONENT(component, idx, ptr, length) \ if ((idx)+2 > (length)) \ break; \ (component) = (struct rose_component*)&((ptr)[idx]); \ if ((idx)+(component)->len+2 > (length)) { \ if ((component)->len != 128) \ pri_message(pri, "Length (%d) of 0x%X component is too long\n", (component)->len, (component)->type); \ } \ pri_message(pri, "XX %s:%d Got component %d (0x%02X), length %d\n", __FUNCTION__, __LINE__, (component)->type, (component)->type, (component)->len); \ if ((component)->len > 0) { \ int zzz; \ pri_message(pri, "XX Data:"); \ for (zzz = 0; zzz < (component)->len; ++zzz) \ pri_message(pri, " %02X", (component)->data[zzz]); \ pri_message(pri, "\n"); \ } #endif #define NEXT_COMPONENT(component, idx) \ (idx) += (component)->len + 2 #define SUB_COMPONENT(component, idx) \ (idx) += 2 #define CHECK_COMPONENT(component, comptype, message) \ if ((component)->type && ((component)->type & ASN1_TYPE_MASK) != (comptype)) { \ pri_message(pri, (message), (component)->type); \ asn1_dump(pri, (component), (component)->len+2); \ break; \ } #define ASN1_GET_INTEGER(component, variable) \ do { \ int comp_idx; \ (variable) = 0; \ for (comp_idx = 0; comp_idx < (component)->len; ++comp_idx) \ (variable) = ((variable) << 8) | (component)->data[comp_idx]; \ } while (0) #define ASN1_FIXUP_LEN(component, size) \ do { \ if ((component)->len == ASN1_LEN_INDEF) \ size += 2; \ } while (0) #define ASN1_ADD_SIMPLE(component, comptype, ptr, idx) \ do { \ (component) = (struct rose_component *)&((ptr)[(idx)]); \ (component)->type = (comptype); \ (component)->len = 0; \ (idx) += 2; \ } while (0) #define ASN1_ADD_BYTECOMP(component, comptype, ptr, idx, value) \ do { \ (component) = (struct rose_component *)&((ptr)[(idx)]); \ (component)->type = (comptype); \ (component)->len = 1; \ (component)->data[0] = (value); \ (idx) += 3; \ } while (0) #define ASN1_ADD_WORDCOMP(component, comptype, ptr, idx, value) \ do { \ int __val = (value); \ int __i = 0; \ (component) = (struct rose_component *)&((ptr)[(idx)]); \ (component)->type = (comptype); \ if ((__val >> 24)) \ (component)->data[__i++] = (__val >> 24) & 0xff; \ if ((__val >> 16)) \ (component)->data[__i++] = (__val >> 16) & 0xff; \ if ((__val >> 8)) \ (component)->data[__i++] = (__val >> 8) & 0xff; \ (component)->data[__i++] = __val & 0xff; \ (component)->len = __i; \ (idx) += 2 + __i; \ } while (0) #define ASN1_PUSH(stack, stackpointer, component) \ (stack)[(stackpointer)++] = (component) #define ASN1_FIXUP(stack, stackpointer, data, idx) \ do { \ --(stackpointer); \ (stack)[(stackpointer)]->len = (unsigned char *)&((data)[(idx)]) - (unsigned char *)(stack)[(stackpointer)] - 2; \ } while (0) /* Decoder for the invoke ROSE component */ int rose_invoke_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len); /* Decoder for the return result ROSE component */ int rose_return_result_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len); /* Decoder for the return error ROSE component */ int rose_return_error_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len); /* Decoder for the reject ROSE component */ int rose_reject_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len); int asn1_copy_string(char * buf, int buflen, struct rose_component *comp); int asn1_string_encode(unsigned char asn1_type, void *data, int len, int max_len, void *src, int src_len); /* Get Name types from ASN.1 */ int asn1_name_decode(void * data, int len, char *namebuf, int buflen); int typeofnumber_from_q931(struct pri *pri, int ton); int redirectingreason_from_q931(struct pri *pri, int redirectingreason); /* Queues an MWI apdu on a the given call */ int mwi_message_send(struct pri *pri, q931_call *call, struct pri_sr *req, int activate); /* starts a 2BCT */ int eect_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2); int rlt_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2); /* starts a QSIG Path Replacement */ extern int anfpr_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2); /* Use this function to queue a facility-IE born APDU onto a call * call is the call to use, messagetype is any one of the Q931 messages, * apdu is the apdu data, apdu_len is the length of the apdu data */ int pri_call_apdu_queue(q931_call *call, int messagetype, void *apdu, int apdu_len, void (*function)(void *data), void *data); /* Used by q931.c to cleanup the apdu queue upon destruction of a call */ int pri_call_apdu_queue_cleanup(q931_call *call); /* Adds the "standard" APDUs to a call */ int pri_call_add_standard_apdus(struct pri *pri, q931_call *call); int asn1_dump(struct pri *pri, void *comp, int len); #endif /* _PRI_FACILITY_H */