ba45095c5a
Several components are now parsed correctly. Most notably: PartyNumber and Q.SIG Name. git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@766 2fbb986a-6c06-0410-b554-c9c1f0a7f128
278 lines
9.4 KiB
C
278 lines
9.4 KiB
C
/*
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* libpri: An implementation of Primary Rate ISDN
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*
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* Copyright (C) 2009 Digium, Inc.
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*
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* Richard Mudgett <rmudgett@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2 as published by the
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* Free Software Foundation. See the LICENSE file included with
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* this program for more details.
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*
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* In addition, when this program is distributed with Asterisk in
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* any form that would qualify as a 'combined work' or as a
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* 'derivative work' (but not mere aggregation), you can redistribute
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* and/or modify the combination under the terms of the license
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* provided with that copy of Asterisk, instead of the license
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* terms granted here.
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*/
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/*!
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* \file
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* \brief Switch type operations for: NI2, 4ESS, 5ESS, DMS-100
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*
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* \author Richard Mudgett <rmudgett@digium.com>
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*/
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#include "compat.h"
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#include "libpri.h"
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#include "pri_internal.h"
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#include "rose.h"
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#include "rose_internal.h"
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#include "asn1.h"
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/* ------------------------------------------------------------------- */
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/*!
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* \brief Encode the DMS-100 RLT_OperationInd result facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_dms100_RLT_OperationInd_RES(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_result_args *args)
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{
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return asn1_enc_int(pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 0,
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args->dms100.RLT_OperationInd.call_id);
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}
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/*!
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* \brief Encode the DMS-100 RLT_ThirdParty invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_dms100_RLT_ThirdParty_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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const struct roseDms100RLTThirdParty_ARG *rlt_thirdparty;
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unsigned char *seq_len;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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rlt_thirdparty = &args->dms100.RLT_ThirdParty;
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 0,
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rlt_thirdparty->call_id));
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 1,
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rlt_thirdparty->reason));
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ASN1_CONSTRUCTED_END(seq_len, pos, end);
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return pos;
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}
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/*!
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* \brief Decode the DMS-100 RLT_OperationInd result argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_dms100_RLT_OperationInd_RES(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_result_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_CLASS_CONTEXT_SPECIFIC | 0);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "callId", tag, pos, end, &value));
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args->dms100.RLT_OperationInd.call_id = value;
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return pos;
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}
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/*!
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* \brief Decode the DMS-100 RLT_ThirdParty invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_dms100_RLT_ThirdParty_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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int32_t value;
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int length;
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int seq_offset;
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const unsigned char *seq_end;
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struct roseDms100RLTThirdParty_ARG *rlt_third_party;
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rlt_third_party = &args->dms100.RLT_ThirdParty;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " RLT_ThirdParty %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
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ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_CLASS_CONTEXT_SPECIFIC | 0);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "callId", tag, pos, seq_end, &value));
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rlt_third_party->call_id = value;
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_CLASS_CONTEXT_SPECIFIC | 1);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "reason", tag, pos, seq_end, &value));
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rlt_third_party->reason = value;
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/* Fixup will skip over any OPTIONAL information */
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ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
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return pos;
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}
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/*!
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* \brief Encode the NI2 InformationFollowing invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_ni2_InformationFollowing_ARG(struct pri *ctrl,
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unsigned char *pos, unsigned char *end, const union rose_msg_invoke_args *args)
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{
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/* Encode the unknown enumeration value. */
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return asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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args->ni2.InformationFollowing.value);
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}
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/*!
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* \brief Encode the NI2 InitiateTransfer invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_ni2_InitiateTransfer_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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const struct roseNi2InitiateTransfer_ARG *initiate_transfer;
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unsigned char *seq_len;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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initiate_transfer = &args->ni2.InitiateTransfer;
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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initiate_transfer->call_reference));
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ASN1_CONSTRUCTED_END(seq_len, pos, end);
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return pos;
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}
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/*!
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* \brief Decode the NI2 InformationFollowing invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_ni2_InformationFollowing_ARG(struct pri *ctrl,
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unsigned tag, const unsigned char *pos, const unsigned char *end,
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union rose_msg_invoke_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "unknown", tag, pos, end, &value));
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args->ni2.InformationFollowing.value = value;
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return pos;
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}
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/*!
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* \brief Decode the NI2 InitiateTransfer invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_ni2_InitiateTransfer_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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int32_t value;
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int length;
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int seq_offset;
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const unsigned char *seq_end;
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struct roseNi2InitiateTransfer_ARG *initiate_transfer;
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initiate_transfer = &args->ni2.InitiateTransfer;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " InitiateTransfer %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
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ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_INTEGER);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "callReference", tag, pos, seq_end, &value));
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initiate_transfer->call_reference = value;
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/* Fixup will skip over any OPTIONAL information */
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ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
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return pos;
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}
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/* ------------------------------------------------------------------- */
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/* end rose_other.c */
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