303 lines
8.0 KiB
C
303 lines
8.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999-2006, Digium, Inc.
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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. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Caller ID related dialplan functions
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*
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* \ingroup functions
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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#include "asterisk/callerid.h"
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/*** DOCUMENTATION
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<function name="CALLERID" language="en_US">
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<synopsis>
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Gets or sets Caller*ID data on the channel.
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</synopsis>
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<syntax>
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<parameter name="datatype" required="true">
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<para>The allowable datatypes are:</para>
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<enumlist>
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<enum name="all" />
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<enum name="num" />
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<enum name="ANI" />
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<enum name="DNID" />
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<enum name="RDNIS" />
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<enum name="pres" />
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<enum name="ton" />
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</enumlist>
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</parameter>
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<parameter name="CID">
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<para>Optional Caller*ID</para>
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</parameter>
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</syntax>
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<description>
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<para>Gets or sets Caller*ID data on the channel. Uses channel callerid by default or optional
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callerid, if specified.</para>
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</description>
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</function>
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<function name="CALLERPRES" language="en_US">
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<synopsis>
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Gets or sets Caller*ID presentation on the channel.
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</synopsis>
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<syntax />
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<description>
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<para>Gets or sets Caller*ID presentation on the channel. The following values
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are valid:</para>
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<enumlist>
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<enum name="allowed_not_screened">
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<para>Presentation Allowed, Not Screened.</para>
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</enum>
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<enum name="allowed_passed_screen">
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<para>Presentation Allowed, Passed Screen.</para>
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</enum>
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<enum name="allowed_failed_screen">
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<para>Presentation Allowed, Failed Screen.</para>
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</enum>
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<enum name="allowed">
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<para>Presentation Allowed, Network Number.</para>
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</enum>
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<enum name="prohib_not_screened">
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<para>Presentation Prohibited, Not Screened.</para>
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</enum>
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<enum name="prohib_passed_screen">
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<para>Presentation Prohibited, Passed Screen.</para>
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</enum>
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<enum name="prohib_failed_screen">
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<para>Presentation Prohibited, Failed Screen.</para>
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</enum>
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<enum name="prohib">
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<para>Presentation Prohibited, Network Number.</para>
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</enum>
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<enum name="unavailable">
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<para>Number Unavailable.</para>
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</enum>
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</enumlist>
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</description>
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</function>
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***/
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static int callerpres_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
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{
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ast_copy_string(buf, ast_named_caller_presentation(chan->cid.cid_pres), len);
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return 0;
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}
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static int callerpres_write(struct ast_channel *chan, const char *cmd, char *data, const char *value)
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{
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int pres = ast_parse_caller_presentation(value);
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if (pres < 0)
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ast_log(LOG_WARNING, "'%s' is not a valid presentation (see 'show function CALLERPRES')\n", value);
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else
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chan->cid.cid_pres = pres;
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return 0;
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}
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static int callerid_read(struct ast_channel *chan, const char *cmd, char *data,
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char *buf, size_t len)
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{
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char *opt = data;
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/* Ensure that the buffer is empty */
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*buf = 0;
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if (!chan)
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return -1;
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if (strchr(opt, ',')) {
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char name[80], num[80];
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data = strsep(&opt, ",");
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ast_callerid_split(opt, name, sizeof(name), num, sizeof(num));
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if (!strncasecmp("all", data, 3)) {
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snprintf(buf, len, "\"%s\" <%s>", name, num);
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} else if (!strncasecmp("name", data, 4)) {
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ast_copy_string(buf, name, len);
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} else if (!strncasecmp("num", data, 3)) {
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/* also matches "number" */
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ast_copy_string(buf, num, len);
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} else {
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ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
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}
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} else {
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ast_channel_lock(chan);
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if (!strncasecmp("all", data, 3)) {
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snprintf(buf, len, "\"%s\" <%s>",
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S_OR(chan->cid.cid_name, ""),
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S_OR(chan->cid.cid_num, ""));
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} else if (!strncasecmp("name", data, 4)) {
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if (chan->cid.cid_name) {
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ast_copy_string(buf, chan->cid.cid_name, len);
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}
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} else if (!strncasecmp("num", data, 3)) {
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/* also matches "number" */
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if (chan->cid.cid_num) {
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ast_copy_string(buf, chan->cid.cid_num, len);
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}
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} else if (!strncasecmp("ani", data, 3)) {
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if (!strncasecmp(data + 3, "2", 1)) {
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snprintf(buf, len, "%d", chan->cid.cid_ani2);
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} else if (chan->cid.cid_ani) {
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ast_copy_string(buf, chan->cid.cid_ani, len);
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}
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} else if (!strncasecmp("dnid", data, 4)) {
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if (chan->cid.cid_dnid) {
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ast_copy_string(buf, chan->cid.cid_dnid, len);
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}
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} else if (!strncasecmp("rdnis", data, 5)) {
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if (chan->cid.cid_rdnis) {
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ast_copy_string(buf, chan->cid.cid_rdnis, len);
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}
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} else if (!strncasecmp("pres", data, 4)) {
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ast_copy_string(buf, ast_named_caller_presentation(chan->cid.cid_pres), len);
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} else if (!strncasecmp("ton", data, 3)) {
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snprintf(buf, len, "%d", chan->cid.cid_ton);
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} else {
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ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
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}
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ast_channel_unlock(chan);
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}
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return 0;
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}
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static int callerid_write(struct ast_channel *chan, const char *cmd, char *data,
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const char *value)
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{
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if (!value || !chan)
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return -1;
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value = ast_skip_blanks(value);
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if (!strncasecmp("all", data, 3)) {
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char name[256];
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char num[256];
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ast_callerid_split(value, name, sizeof(name), num, sizeof(num));
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ast_set_callerid(chan, num, name, num);
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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} else if (!strncasecmp("name", data, 4)) {
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ast_set_callerid(chan, NULL, value, NULL);
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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} else if (!strncasecmp("num", data, 3)) {
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/* also matches "number" */
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ast_set_callerid(chan, value, NULL, NULL);
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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} else if (!strncasecmp("ani", data, 3)) {
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if (!strncasecmp(data + 3, "2", 1)) {
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chan->cid.cid_ani2 = atoi(value);
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} else {
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ast_set_callerid(chan, NULL, NULL, value);
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}
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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} else if (!strncasecmp("dnid", data, 4)) {
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ast_channel_lock(chan);
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if (chan->cid.cid_dnid) {
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ast_free(chan->cid.cid_dnid);
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}
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chan->cid.cid_dnid = ast_strdup(value);
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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ast_channel_unlock(chan);
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} else if (!strncasecmp("rdnis", data, 5)) {
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ast_channel_lock(chan);
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if (chan->cid.cid_rdnis) {
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ast_free(chan->cid.cid_rdnis);
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}
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chan->cid.cid_rdnis = ast_strdup(value);
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if (chan->cdr) {
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ast_cdr_setcid(chan->cdr, chan);
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}
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ast_channel_unlock(chan);
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} else if (!strncasecmp("pres", data, 4)) {
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int i;
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char *val;
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val = ast_strdupa(value);
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ast_trim_blanks(val);
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if ((val[0] >= '0') && (val[0] <= '9')) {
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i = atoi(val);
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} else {
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i = ast_parse_caller_presentation(val);
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}
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if (i < 0) {
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ast_log(LOG_ERROR, "Unknown calling number presentation '%s', value unchanged\n", val);
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} else {
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chan->cid.cid_pres = i;
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}
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} else if (!strncasecmp("ton", data, 3)) {
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chan->cid.cid_ton = atoi(value);
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} else {
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ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
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}
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return 0;
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}
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static struct ast_custom_function callerid_function = {
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.name = "CALLERID",
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.read = callerid_read,
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.read_max = 256,
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.write = callerid_write,
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};
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static struct ast_custom_function callerpres_function = {
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.name = "CALLERPRES",
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.read = callerpres_read,
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.read_max = 50,
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.write = callerpres_write,
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};
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static int unload_module(void)
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{
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int res = ast_custom_function_unregister(&callerpres_function);
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res |= ast_custom_function_unregister(&callerid_function);
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return res;
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}
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static int load_module(void)
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{
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int res = ast_custom_function_register(&callerpres_function);
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res |= ast_custom_function_register(&callerid_function);
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return res;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Caller ID related dialplan functions");
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