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687 lines
24 KiB
687 lines
24 KiB
/*
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* libpri: An implementation of Primary Rate ISDN
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*
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* Copyright (C) 2010 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 ROSE Message Waiting Indication (MWI) operations
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*
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* Message Waiting Indication (MWI) supplementary service EN 300 745-1
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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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* \internal
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* \brief Encode the MessageID type.
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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 msg_id
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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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static unsigned char *rose_enc_etsi_message_id(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const struct roseEtsiMessageID *msg_id)
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{
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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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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_INTEGER, msg_id->reference_number));
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED, msg_id->status));
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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 MWIActivate 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_etsi_MWIActivate_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 roseEtsiMWIActivate_ARG *mwi_activate;
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unsigned char *seq_len;
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unsigned char *explicit_len;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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mwi_activate = &args->etsi.MWIActivate;
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_activate->receiving_user_number));
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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mwi_activate->basic_service));
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if (mwi_activate->controlling_user_number.length) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 1);
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_activate->controlling_user_number));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_activate->number_of_messages_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 2);
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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mwi_activate->number_of_messages));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_activate->controlling_user_provided_number.length) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 3);
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_activate->controlling_user_provided_number));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_activate->time_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 4);
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ASN1_CALL(pos, asn1_enc_string_max(pos, end, ASN1_TYPE_GENERALIZED_TIME,
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mwi_activate->time.str, sizeof(mwi_activate->time.str) - 1));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_activate->message_id_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 5);
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ASN1_CALL(pos, rose_enc_etsi_message_id(ctrl, pos, end,
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&mwi_activate->message_id));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_activate->mode_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 6);
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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mwi_activate->mode));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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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 MWIDeactivate 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_etsi_MWIDeactivate_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 roseEtsiMWIDeactivate_ARG *mwi_deactivate;
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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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mwi_deactivate = &args->etsi.MWIDeactivate;
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_deactivate->receiving_user_number));
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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mwi_deactivate->basic_service));
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if (mwi_deactivate->controlling_user_number.length) {
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_deactivate->controlling_user_number));
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}
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if (mwi_deactivate->mode_present) {
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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mwi_deactivate->mode));
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}
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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 MWIIndicate 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_etsi_MWIIndicate_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 roseEtsiMWIIndicate_ARG *mwi_indicate;
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unsigned char *seq_len;
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unsigned char *explicit_len;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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mwi_indicate = &args->etsi.MWIIndicate;
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if (mwi_indicate->controlling_user_number.length) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 1);
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_indicate->controlling_user_number));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_indicate->basic_service_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 2);
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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mwi_indicate->basic_service));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_indicate->number_of_messages_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 3);
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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mwi_indicate->number_of_messages));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_indicate->controlling_user_provided_number.length) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 4);
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ASN1_CALL(pos, rose_enc_PartyNumber(ctrl, pos, end,
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&mwi_indicate->controlling_user_provided_number));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_indicate->time_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 5);
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ASN1_CALL(pos, asn1_enc_string_max(pos, end, ASN1_TYPE_GENERALIZED_TIME,
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mwi_indicate->time.str, sizeof(mwi_indicate->time.str) - 1));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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if (mwi_indicate->message_id_present) {
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/* EXPLICIT tag */
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ASN1_CONSTRUCTED_BEGIN(explicit_len, pos, end, ASN1_CLASS_CONTEXT_SPECIFIC | 6);
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ASN1_CALL(pos, rose_enc_etsi_message_id(ctrl, pos, end,
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&mwi_indicate->message_id));
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ASN1_CONSTRUCTED_END(explicit_len, pos, end);
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}
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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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* \internal
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* \brief Decode the MessageID argument parameters.
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*
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* \param ctrl D channel controller for any diagnostic messages.
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* \param name Field name
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* \param tag Component tag that identified this production.
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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 msg_id Parameter storage to fill.
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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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static const unsigned char *rose_dec_etsi_message_id(struct pri *ctrl, const char *name,
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unsigned tag, const unsigned char *pos, const unsigned char *end,
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struct roseEtsiMessageID *msg_id)
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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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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, " %s MessageID %s\n", name, 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, "messageRef", tag, pos, seq_end, &value));
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msg_id->reference_number = 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_TYPE_ENUMERATED);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "status", tag, pos, seq_end, &value));
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msg_id->status = value;
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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 MWIActivate 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_etsi_MWIActivate_ARG(struct pri *ctrl, unsigned tag,
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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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size_t str_len;
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int length;
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int seq_offset;
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int explicit_offset;
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const unsigned char *explicit_end;
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const unsigned char *seq_end;
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const unsigned char *save_pos;
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struct roseEtsiMWIActivate_ARG *mwi_activate;
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mwi_activate = &args->etsi.MWIActivate;
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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, " MWIActivate %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_CALL(pos, rose_dec_PartyNumber(ctrl, "receivingUserNr", tag, pos, seq_end,
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&mwi_activate->receiving_user_number));
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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_ENUMERATED);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "basicService", tag, pos, seq_end, &value));
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mwi_activate->basic_service = value;
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/*
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* A sequence specifies an ordered list of component types.
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* However, for simplicity we are not checking the order of
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* the remaining optional components.
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*/
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mwi_activate->controlling_user_number.length = 0;
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mwi_activate->number_of_messages_present = 0;
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mwi_activate->controlling_user_provided_number.length = 0;
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mwi_activate->time_present = 0;
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mwi_activate->message_id_present = 0;
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mwi_activate->mode_present = 0;
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while (pos < seq_end && *pos != ASN1_INDEF_TERM) {
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save_pos = pos;
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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switch (tag) {
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case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 1:
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/* Remove EXPLICIT tag */
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
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ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
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ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
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ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "controllingUserNr", tag, pos,
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explicit_end, &mwi_activate->controlling_user_number));
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ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
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break;
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case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 2:
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/* Remove EXPLICIT tag */
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
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ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
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ASN1_CALL(pos, asn1_dec_tag(pos, explicit_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, "numberOfMessages", tag, pos, explicit_end,
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&value));
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mwi_activate->number_of_messages = value;
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mwi_activate->number_of_messages_present = 1;
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ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
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break;
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case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 3:
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/* Remove EXPLICIT tag */
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
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ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
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ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
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ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "controllingUserProvidedNr", tag,
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pos, explicit_end, &mwi_activate->controlling_user_provided_number));
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ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
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break;
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case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 4:
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/* Remove EXPLICIT tag */
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if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag & ~ASN1_PC_MASK, tag, ASN1_TYPE_GENERALIZED_TIME);
|
|
ASN1_CALL(pos, asn1_dec_string_max(ctrl, "time", tag, pos, explicit_end,
|
|
sizeof(mwi_activate->time.str), mwi_activate->time.str, &str_len));
|
|
mwi_activate->time_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 5:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_etsi_message_id(ctrl, "messageId", tag, pos,
|
|
explicit_end, &mwi_activate->message_id));
|
|
mwi_activate->message_id_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 6:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "mode", tag, pos, explicit_end, &value));
|
|
mwi_activate->mode = value;
|
|
mwi_activate->mode_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
default:
|
|
pos = save_pos;
|
|
goto cancel_options;
|
|
}
|
|
}
|
|
cancel_options:;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the MWIDeactivate 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_etsi_MWIDeactivate_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;
|
|
struct roseEtsiMWIDeactivate_ARG *mwi_deactivate;
|
|
|
|
mwi_deactivate = &args->etsi.MWIDeactivate;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " MWIDeactivate %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_PartyNumber(ctrl, "receivingUserNr", tag, pos, seq_end,
|
|
&mwi_deactivate->receiving_user_number));
|
|
|
|
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, "basicService", tag, pos, seq_end, &value));
|
|
mwi_deactivate->basic_service = value;
|
|
|
|
/*
|
|
* A sequence specifies an ordered list of component types.
|
|
* However, for simplicity we are not checking the order of
|
|
* the remaining optional components.
|
|
*/
|
|
mwi_deactivate->controlling_user_number.length = 0;
|
|
mwi_deactivate->mode_present = 0;
|
|
while (pos < seq_end && *pos != ASN1_INDEF_TERM) {
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
|
|
switch (tag) {
|
|
default:
|
|
ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "controllingUserNr", tag, pos,
|
|
seq_end, &mwi_deactivate->controlling_user_number));
|
|
break;
|
|
case ASN1_TYPE_ENUMERATED:
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "mode", tag, pos, seq_end, &value));
|
|
mwi_deactivate->mode = value;
|
|
mwi_deactivate->mode_present = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
/*!
|
|
* \brief Decode the MWIIndicate 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_etsi_MWIIndicate_ARG(struct pri *ctrl, unsigned tag,
|
|
const unsigned char *pos, const unsigned char *end,
|
|
union rose_msg_invoke_args *args)
|
|
{
|
|
int32_t value;
|
|
size_t str_len;
|
|
int length;
|
|
int seq_offset;
|
|
int explicit_offset;
|
|
const unsigned char *explicit_end;
|
|
const unsigned char *seq_end;
|
|
const unsigned char *save_pos;
|
|
struct roseEtsiMWIIndicate_ARG *mwi_indicate;
|
|
|
|
mwi_indicate = &args->etsi.MWIIndicate;
|
|
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TAG_SEQUENCE);
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " MWIIndicate %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
|
|
ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
|
|
|
|
/*
|
|
* A sequence specifies an ordered list of component types.
|
|
* However, for simplicity we are not checking the order of
|
|
* the remaining optional components.
|
|
*/
|
|
mwi_indicate->controlling_user_number.length = 0;
|
|
mwi_indicate->basic_service_present = 0;
|
|
mwi_indicate->number_of_messages_present = 0;
|
|
mwi_indicate->controlling_user_provided_number.length = 0;
|
|
mwi_indicate->time_present = 0;
|
|
mwi_indicate->message_id_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) {
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 1:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "controllingUserNr", tag, pos,
|
|
explicit_end, &mwi_indicate->controlling_user_number));
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 2:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "basicService", tag, pos, explicit_end,
|
|
&value));
|
|
mwi_indicate->basic_service = value;
|
|
mwi_indicate->basic_service_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 3:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_INTEGER);
|
|
ASN1_CALL(pos, asn1_dec_int(ctrl, "numberOfMessages", tag, pos, explicit_end,
|
|
&value));
|
|
mwi_indicate->number_of_messages = value;
|
|
mwi_indicate->number_of_messages_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 4:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_PartyNumber(ctrl, "controllingUserProvidedNr", tag,
|
|
pos, explicit_end, &mwi_indicate->controlling_user_provided_number));
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 5:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CHECK_TAG(ctrl, tag & ~ASN1_PC_MASK, tag, ASN1_TYPE_GENERALIZED_TIME);
|
|
ASN1_CALL(pos, asn1_dec_string_max(ctrl, "time", tag, pos, explicit_end,
|
|
sizeof(mwi_indicate->time.str), mwi_indicate->time.str, &str_len));
|
|
mwi_indicate->time_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
case ASN1_CLASS_CONTEXT_SPECIFIC | ASN1_PC_CONSTRUCTED | 6:
|
|
/* Remove EXPLICIT tag */
|
|
if (ctrl->debug & PRI_DEBUG_APDU) {
|
|
pri_message(ctrl, " Explicit %s\n", asn1_tag2str(tag));
|
|
}
|
|
ASN1_CALL(pos, asn1_dec_length(pos, seq_end, &length));
|
|
ASN1_END_SETUP(explicit_end, explicit_offset, length, pos, seq_end);
|
|
|
|
ASN1_CALL(pos, asn1_dec_tag(pos, explicit_end, &tag));
|
|
ASN1_CALL(pos, rose_dec_etsi_message_id(ctrl, "messageId", tag, pos,
|
|
explicit_end, &mwi_indicate->message_id));
|
|
mwi_indicate->message_id_present = 1;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, explicit_offset, explicit_end, seq_end);
|
|
break;
|
|
default:
|
|
pos = save_pos;
|
|
goto cancel_options;
|
|
}
|
|
}
|
|
cancel_options:;
|
|
|
|
ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
|
|
|
|
return pos;
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
/* end rose_etsi_mwi.c */
|