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884 lines
30 KiB
884 lines
30 KiB
/*
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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 Q.SIG ROSE Call-Transfer-Operations (CT)
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*
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* Call-Transfer-Operations ECMA-178 Annex F Table F.1
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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 Q.SIG CallTransferIdentify 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_qsig_CallTransferIdentify_RES(struct pri *ctrl,
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unsigned char *pos, unsigned char *end, const union rose_msg_result_args *args)
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{
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unsigned char *seq_len;
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const struct roseQsigCTIdentifyRes_RES *call_transfer_identify;
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call_transfer_identify = &args->qsig.CallTransferIdentify;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, asn1_enc_string_max(pos, end, ASN1_TYPE_NUMERIC_STRING,
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call_transfer_identify->call_id, sizeof(call_transfer_identify->call_id) - 1));
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&call_transfer_identify->rerouting_number));
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/* No extension to encode */
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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 Encode the Q.SIG CallTransferInitiate 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_qsig_CallTransferInitiate_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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unsigned char *seq_len;
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const struct roseQsigCTInitiateArg_ARG *call_transfer_initiate;
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call_transfer_initiate = &args->qsig.CallTransferInitiate;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, asn1_enc_string_max(pos, end, ASN1_TYPE_NUMERIC_STRING,
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call_transfer_initiate->call_id, sizeof(call_transfer_initiate->call_id) - 1));
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&call_transfer_initiate->rerouting_number));
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/* No extension to encode */
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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 Encode the Q.SIG CallTransferSetup 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_qsig_CallTransferSetup_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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unsigned char *seq_len;
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const struct roseQsigCTSetupArg_ARG *call_transfer_setup;
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call_transfer_setup = &args->qsig.CallTransferSetup;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, asn1_enc_string_max(pos, end, ASN1_TYPE_NUMERIC_STRING,
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call_transfer_setup->call_id, sizeof(call_transfer_setup->call_id) - 1));
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/* No extension to encode */
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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 Encode the Q.SIG CallTransferActive 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_qsig_CallTransferActive_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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unsigned char *seq_len;
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const struct roseQsigCTActiveArg_ARG *call_transfer_active;
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call_transfer_active = &args->qsig.CallTransferActive;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, rose_enc_PresentedAddressScreened(ctrl, pos, end,
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&call_transfer_active->connected));
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if (call_transfer_active->q931ie.length) {
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ASN1_CALL(pos, rose_enc_Q931ie(ctrl, pos, end, ASN1_CLASS_APPLICATION | 0,
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&call_transfer_active->q931ie));
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}
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if (call_transfer_active->connected_name_present) {
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ASN1_CALL(pos, rose_enc_qsig_Name(ctrl, pos, end,
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&call_transfer_active->connected_name));
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}
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/* No extension to encode */
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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 Encode the Q.SIG CallTransferComplete 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_qsig_CallTransferComplete_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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unsigned char *seq_len;
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const struct roseQsigCTCompleteArg_ARG *call_transfer_complete;
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call_transfer_complete = &args->qsig.CallTransferComplete;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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call_transfer_complete->end_designation));
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ASN1_CALL(pos, rose_enc_PresentedNumberScreened(ctrl, pos, end,
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&call_transfer_complete->redirection));
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if (call_transfer_complete->q931ie.length) {
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ASN1_CALL(pos, rose_enc_Q931ie(ctrl, pos, end, ASN1_CLASS_APPLICATION | 0,
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&call_transfer_complete->q931ie));
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}
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if (call_transfer_complete->redirection_name_present) {
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ASN1_CALL(pos, rose_enc_qsig_Name(ctrl, pos, end,
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&call_transfer_complete->redirection_name));
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}
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if (call_transfer_complete->call_status) {
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/* Not the DEFAULT value */
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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call_transfer_complete->call_status));
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}
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/* No extension to encode */
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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 Encode the Q.SIG CallTransferUpdate 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_qsig_CallTransferUpdate_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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unsigned char *seq_len;
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const struct roseQsigCTUpdateArg_ARG *call_transfer_update;
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call_transfer_update = &args->qsig.CallTransferUpdate;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, rose_enc_PresentedNumberScreened(ctrl, pos, end,
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&call_transfer_update->redirection));
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if (call_transfer_update->redirection_name_present) {
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ASN1_CALL(pos, rose_enc_qsig_Name(ctrl, pos, end,
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&call_transfer_update->redirection_name));
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}
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if (call_transfer_update->q931ie.length) {
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ASN1_CALL(pos, rose_enc_Q931ie(ctrl, pos, end, ASN1_CLASS_APPLICATION | 0,
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&call_transfer_update->q931ie));
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}
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/* No extension to encode */
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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 Encode the Q.SIG SubaddressTransfer 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_qsig_SubaddressTransfer_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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unsigned char *seq_len;
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const struct roseQsigSubaddressTransferArg_ARG *subaddress_transfer;
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subaddress_transfer = &args->qsig.SubaddressTransfer;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ASN1_CALL(pos, rose_enc_PartySubaddress(ctrl, pos, end,
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&subaddress_transfer->redirection_subaddress));
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/* No extension to encode */
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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 Encode the Q.SIG DummyArg 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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* \details
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* DummyArg ::= CHOICE {
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* none NULL,
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* extension [1] IMPLICIT Extension,
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* multipleExtension [2] IMPLICIT SEQUENCE OF Extension
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* }
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*/
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unsigned char *rose_enc_qsig_DummyArg_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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return asn1_enc_null(pos, end, ASN1_TYPE_NULL);
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}
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/*!
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* \brief Encode the Q.SIG DummyRes 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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* \details
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* DummyRes ::= CHOICE {
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* none NULL,
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* extension [1] IMPLICIT Extension,
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* multipleExtension [2] IMPLICIT SEQUENCE OF Extension
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* }
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*/
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unsigned char *rose_enc_qsig_DummyRes_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_null(pos, end, ASN1_TYPE_NULL);
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}
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/*!
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* \brief Decode the Q.SIG CallTransferIdentify 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_qsig_CallTransferIdentify_RES(struct pri *ctrl,
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unsigned tag, const unsigned char *pos, const unsigned char *end,
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union rose_msg_result_args *args)
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{
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size_t str_len;
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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 roseQsigCTIdentifyRes_RES *call_transfer_identify;
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call_transfer_identify = &args->qsig.CallTransferIdentify;
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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, " CallTransferIdentify %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 & ~ASN1_PC_MASK, tag, ASN1_TYPE_NUMERIC_STRING);
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ASN1_CALL(pos, asn1_dec_string_max(ctrl, "callIdentity", tag, pos, seq_end,
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sizeof(call_transfer_identify->call_id), call_transfer_identify->call_id,
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&str_len));
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "reroutingNumber", tag, pos, seq_end,
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&call_transfer_identify->rerouting_number));
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/* Fixup will skip over any OPTIONAL manufacturer extension 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 Decode the Q.SIG CallTransferInitiate 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_qsig_CallTransferInitiate_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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size_t str_len;
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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 roseQsigCTInitiateArg_ARG *call_transfer_initiate;
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call_transfer_initiate = &args->qsig.CallTransferInitiate;
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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, " CallTransferInitiate %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 & ~ASN1_PC_MASK, tag, ASN1_TYPE_NUMERIC_STRING);
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ASN1_CALL(pos, asn1_dec_string_max(ctrl, "callIdentity", tag, pos, seq_end,
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sizeof(call_transfer_initiate->call_id), call_transfer_initiate->call_id,
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&str_len));
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "reroutingNumber", tag, pos, seq_end,
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&call_transfer_initiate->rerouting_number));
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/* Fixup will skip over any OPTIONAL manufacturer extension 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 Decode the Q.SIG CallTransferSetup 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_qsig_CallTransferSetup_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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size_t str_len;
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int length;
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int seq_offset;
|
|
const unsigned char *seq_end;
|
|
struct roseQsigCTSetupArg_ARG *call_transfer_setup;
|
|
|
|
call_transfer_setup = &args->qsig.CallTransferSetup;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " CallTransferSetup %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag & ~ASN1_PC_MASK, tag, ASN1_TYPE_NUMERIC_STRING);
|
|
ASN1_CALL(pos, asn1_dec_string_max(ctrl, "callIdentity", tag, pos, seq_end,
|
|
sizeof(call_transfer_setup->call_id), call_transfer_setup->call_id, &str_len));
|
|
|
|
/* Fixup will skip over any OPTIONAL manufacturer extension information */
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG CallTransferActive invoke argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*/
|
|
const unsigned char *rose_dec_qsig_CallTransferActive_ARG(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
|
|
{
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
const unsigned char *save_pos;
|
|
struct roseQsigCTActiveArg_ARG *call_transfer_active;
|
|
|
|
call_transfer_active = &args->qsig.CallTransferActive;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " CallTransferActive %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PresentedAddressScreened(ctrl, "connectedAddress", tag, pos,
|
|
seq_end, &call_transfer_active->connected));
|
|
|
|
/*
|
|
* A sequence specifies an ordered list of component types.
|
|
* However, for simplicity we are not checking the order of
|
|
* the remaining optional components.
|
|
*/
|
|
call_transfer_active->q931ie.length = 0;
|
|
call_transfer_active->connected_name_present = 0;
|
|
while (pos < seq_end && *pos != ASN1_INDEF_TERM) {
|
|
save_pos = pos;
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
switch (tag & ~ASN1_PC_MASK) {
|
|
case ASN1_CLASS_APPLICATION | 0:
|
|
ASN1_CALL(pos, rose_dec_Q931ie(ctrl, "basicCallInfoElements", tag, pos,
|
|
seq_end, &call_transfer_active->q931ie,
|
|
sizeof(call_transfer_active->q931ie_contents)));
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 0:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 1:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 2:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 3:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 4:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 7:
|
|
ASN1_CALL(pos, rose_dec_qsig_Name(ctrl, "connectedName", tag, pos, seq_end,
|
|
&call_transfer_active->connected_name));
|
|
call_transfer_active->connected_name_present = 1;
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 9:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 10:
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " argumentExtension %s\n", asn1_tag2str(tag));
|
|
}
|
|
/* Fixup will skip over the manufacturer extension information */
|
|
default:
|
|
pos = save_pos;
|
|
goto cancel_options;
|
|
}
|
|
}
|
|
cancel_options:;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG CallTransferComplete invoke argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*/
|
|
const unsigned char *rose_dec_qsig_CallTransferComplete_ARG(struct pri *ctrl,
|
|
unsigned tag, const unsigned char *pos, const unsigned char *end,
|
|
union rose_msg_invoke_args *args)
|
|
{
|
|
int32_t value;
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
const unsigned char *save_pos;
|
|
struct roseQsigCTCompleteArg_ARG *call_transfer_complete;
|
|
|
|
call_transfer_complete = &args->qsig.CallTransferComplete;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " CallTransferComplete %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "endDesignation", tag, pos, seq_end, &value));
|
|
call_transfer_complete->end_designation = value;
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PresentedNumberScreened(ctrl, "redirectionNumber", tag, pos,
|
|
seq_end, &call_transfer_complete->redirection));
|
|
|
|
/*
|
|
* A sequence specifies an ordered list of component types.
|
|
* However, for simplicity we are not checking the order of
|
|
* the remaining optional components.
|
|
*/
|
|
call_transfer_complete->q931ie.length = 0;
|
|
call_transfer_complete->redirection_name_present = 0;
|
|
call_transfer_complete->call_status = 0; /* DEFAULT answered */
|
|
while (pos < seq_end && *pos != ASN1_INDEF_TERM) {
|
|
save_pos = pos;
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
switch (tag & ~ASN1_PC_MASK) {
|
|
case ASN1_CLASS_APPLICATION | 0:
|
|
ASN1_CALL(pos, rose_dec_Q931ie(ctrl, "basicCallInfoElements", tag, pos,
|
|
seq_end, &call_transfer_complete->q931ie,
|
|
sizeof(call_transfer_complete->q931ie_contents)));
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 0:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 1:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 2:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 3:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 4:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 7:
|
|
ASN1_CALL(pos, rose_dec_qsig_Name(ctrl, "redirectionName", tag, pos, seq_end,
|
|
&call_transfer_complete->redirection_name));
|
|
call_transfer_complete->redirection_name_present = 1;
|
|
break;
|
|
case ASN1_TYPE_ENUMERATED:
|
|
/* Must not be constructed but we will not check for it for simplicity. */
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "callStatus", tag, pos, seq_end, &value));
|
|
call_transfer_complete->call_status = value;
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 9:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 10:
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " argumentExtension %s\n", asn1_tag2str(tag));
|
|
}
|
|
/* Fixup will skip over the manufacturer extension information */
|
|
default:
|
|
pos = save_pos;
|
|
goto cancel_options;
|
|
}
|
|
}
|
|
cancel_options:;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG CallTransferUpdate invoke argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*/
|
|
const unsigned char *rose_dec_qsig_CallTransferUpdate_ARG(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
|
|
{
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
const unsigned char *save_pos;
|
|
struct roseQsigCTUpdateArg_ARG *call_transfer_update;
|
|
|
|
call_transfer_update = &args->qsig.CallTransferUpdate;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " CallTransferUpdate %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PresentedNumberScreened(ctrl, "redirectionNumber", tag, pos,
|
|
seq_end, &call_transfer_update->redirection));
|
|
|
|
/*
|
|
* A sequence specifies an ordered list of component types.
|
|
* However, for simplicity we are not checking the order of
|
|
* the remaining optional components.
|
|
*/
|
|
call_transfer_update->redirection_name_present = 0;
|
|
call_transfer_update->q931ie.length = 0;
|
|
while (pos < seq_end && *pos != ASN1_INDEF_TERM) {
|
|
save_pos = pos;
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
switch (tag & ~ASN1_PC_MASK) {
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 0:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 1:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 2:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 3:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 4:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 7:
|
|
ASN1_CALL(pos, rose_dec_qsig_Name(ctrl, "redirectionName", tag, pos, seq_end,
|
|
&call_transfer_update->redirection_name));
|
|
call_transfer_update->redirection_name_present = 1;
|
|
break;
|
|
case ASN1_CLASS_APPLICATION | 0:
|
|
ASN1_CALL(pos, rose_dec_Q931ie(ctrl, "basicCallInfoElements", tag, pos,
|
|
seq_end, &call_transfer_update->q931ie,
|
|
sizeof(call_transfer_update->q931ie_contents)));
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 9:
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | 10:
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " argumentExtension %s\n", asn1_tag2str(tag));
|
|
}
|
|
/* Fixup will skip over the manufacturer extension information */
|
|
default:
|
|
pos = save_pos;
|
|
goto cancel_options;
|
|
}
|
|
}
|
|
cancel_options:;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG SubaddressTransfer invoke argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*/
|
|
const unsigned char *rose_dec_qsig_SubaddressTransfer_ARG(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
|
|
{
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
struct roseQsigSubaddressTransferArg_ARG *subaddress_transfer;
|
|
|
|
subaddress_transfer = &args->qsig.SubaddressTransfer;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " SubaddressTransfer %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PartySubaddress(ctrl, "redirectionSubaddress", tag, pos,
|
|
seq_end, &subaddress_transfer->redirection_subaddress));
|
|
|
|
/* Fixup will skip over any OPTIONAL manufacturer extension information */
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG DummyArg invoke argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*
|
|
* \details
|
|
* DummyArg ::= CHOICE {
|
|
* none NULL,
|
|
* extension [1] IMPLICIT Extension,
|
|
* multipleExtension [2] IMPLICIT SEQUENCE OF Extension
|
|
* }
|
|
*/
|
|
const unsigned char *rose_dec_qsig_DummyArg_ARG(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
|
|
{
|
|
const char *name;
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
|
|
switch (tag) {
|
|
case ASN1_TYPE_NULL:
|
|
return asn1_dec_null(ctrl, "none", tag, pos, end);
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 1:
|
|
name = "extension Extension";
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 2:
|
|
name = "multipleExtension SEQUENCE OF Extension";
|
|
break;
|
|
default:
|
|
ASN1_DID_NOT_EXPECT_TAG(ctrl, tag);
|
|
return NULL;
|
|
}
|
|
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " %s %s\n", name, asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
/* Fixup will skip over the manufacturer extension information */
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the Q.SIG DummyRes result argument parameters.
|
|
*
|
|
* \param ctrl D channel controller for diagnostic messages or global options.
|
|
* \param tag Component tag that identified this structure.
|
|
* \param pos Starting position of the ASN.1 component length.
|
|
* \param end End of ASN.1 decoding data buffer.
|
|
* \param args Arguments to fill in from the decoded buffer.
|
|
*
|
|
* \retval Start of the next ASN.1 component on success.
|
|
* \retval NULL on error.
|
|
*
|
|
* \details
|
|
* DummyRes ::= CHOICE {
|
|
* none NULL,
|
|
* extension [1] IMPLICIT Extension,
|
|
* multipleExtension [2] IMPLICIT SEQUENCE OF Extension
|
|
* }
|
|
*/
|
|
const unsigned char *rose_dec_qsig_DummyRes_RES(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end, union rose_msg_result_args *args)
|
|
{
|
|
const char *name;
|
|
int length;
|
|
int seq_offset;
|
|
const unsigned char *seq_end;
|
|
|
|
switch (tag) {
|
|
case ASN1_TYPE_NULL:
|
|
return asn1_dec_null(ctrl, "none", tag, pos, end);
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 1:
|
|
name = "extension Extension";
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 2:
|
|
name = "multipleExtension SEQUENCE OF Extension";
|
|
break;
|
|
default:
|
|
ASN1_DID_NOT_EXPECT_TAG(ctrl, tag);
|
|
return NULL;
|
|
}
|
|
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " %s %s\n", name, asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
/* Fixup will skip over the manufacturer extension information */
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
/* end rose_qsig_ct.c */
|