(closes issue #16576) Reported by: uxbod Patches: 20100505__issue16576.diff.txt uploaded by tilghman (license 14) Tested by: uxbod git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@262656 65c4cc65-6c06-0410-ace0-fbb531ad65f3
213 lines
5.8 KiB
C
213 lines
5.8 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@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. 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 Block all calls without Caller*ID, require phone # to be entered
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup applications
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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/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/utils.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/translate.h"
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#include "asterisk/image.h"
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#include "asterisk/callerid.h"
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#include "asterisk/app.h"
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#include "asterisk/config.h"
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/*** DOCUMENTATION
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<application name="PrivacyManager" language="en_US">
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<synopsis>
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Require phone number to be entered, if no CallerID sent
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</synopsis>
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<syntax>
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<parameter name="maxretries">
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<para>Total tries caller is allowed to input a callerid. Defaults to <literal>3</literal>.</para>
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</parameter>
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<parameter name="minlength">
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<para>Minimum allowable digits in the input callerid number. Defaults to <literal>10</literal>.</para>
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</parameter>
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<parameter name="context">
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<para>Context to check the given callerid against patterns.</para>
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</parameter>
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</syntax>
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<description>
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<para>If no Caller*ID is sent, PrivacyManager answers the channel and asks
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the caller to enter their phone number. The caller is given
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<replaceable>maxretries</replaceable> attempts to do so. The application does
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<emphasis>nothing</emphasis> if Caller*ID was received on the channel.</para>
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<para>The application sets the following channel variable upon completion:</para>
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<variablelist>
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<variable name="PRIVACYMGRSTATUS">
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<para>The status of the privacy manager's attempt to collect a phone number from the user.</para>
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<value name="SUCCESS"/>
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<value name="FAILED"/>
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</variable>
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</variablelist>
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</description>
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<see-also>
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<ref type="application">Zapateller</ref>
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</see-also>
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</application>
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***/
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static char *app = "PrivacyManager";
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static int privacy_exec(struct ast_channel *chan, const char *data)
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{
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int res=0;
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int retries;
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int maxretries = 3;
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int minlength = 10;
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int x = 0;
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char phone[30];
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char *parse = NULL;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(maxretries);
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AST_APP_ARG(minlength);
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AST_APP_ARG(options);
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AST_APP_ARG(checkcontext);
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);
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if (!ast_strlen_zero(chan->cid.cid_num)) {
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ast_verb(3, "CallerID Present: Skipping\n");
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} else {
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/*Answer the channel if it is not already*/
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if (chan->_state != AST_STATE_UP) {
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if ((res = ast_answer(chan))) {
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return -1;
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}
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}
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parse = ast_strdupa(S_OR(data, ""));
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AST_STANDARD_APP_ARGS(args, parse);
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if (!ast_strlen_zero(args.maxretries)) {
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if (sscanf(args.maxretries, "%30d", &x) == 1 && x > 0) {
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maxretries = x;
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} else {
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ast_log(LOG_WARNING, "Invalid max retries argument: '%s'\n", args.maxretries);
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}
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}
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if (!ast_strlen_zero(args.minlength)) {
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if (sscanf(args.minlength, "%30d", &x) == 1 && x > 0) {
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minlength = x;
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} else {
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ast_log(LOG_WARNING, "Invalid min length argument: '%s'\n", args.minlength);
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}
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}
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/* Play unidentified call */
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res = ast_safe_sleep(chan, 1000);
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if (!res) {
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res = ast_streamfile(chan, "privacy-unident", chan->language);
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}
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if (!res) {
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res = ast_waitstream(chan, "");
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}
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/* Ask for 10 digit number, give 3 attempts */
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for (retries = 0; retries < maxretries; retries++) {
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if (!res) {
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res = ast_streamfile(chan, "privacy-prompt", chan->language);
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}
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if (!res) {
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res = ast_waitstream(chan, "");
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}
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if (!res) {
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res = ast_readstring(chan, phone, sizeof(phone) - 1, /* digit timeout ms */ 3200, /* first digit timeout */ 5000, "#");
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}
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if (res < 0) {
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break;
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}
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/* Make sure we get at least digits */
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if (strlen(phone) >= minlength ) {
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/* if we have a checkcontext argument, do pattern matching */
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if (!ast_strlen_zero(args.checkcontext)) {
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if (!ast_exists_extension(NULL, args.checkcontext, phone, 1, NULL)) {
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res = ast_streamfile(chan, "privacy-incorrect", chan->language);
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if (!res) {
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res = ast_waitstream(chan, "");
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}
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} else {
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break;
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}
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} else {
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break;
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}
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} else {
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res = ast_streamfile(chan, "privacy-incorrect", chan->language);
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if (!res) {
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res = ast_waitstream(chan, "");
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}
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}
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}
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/* Got a number, play sounds and send them on their way */
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if ((retries < maxretries) && res >= 0) {
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res = ast_streamfile(chan, "privacy-thankyou", chan->language);
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if (!res) {
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res = ast_waitstream(chan, "");
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}
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ast_set_callerid(chan, phone, "Privacy Manager", NULL);
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/* Clear the unavailable presence bit so if it came in on PRI
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* the caller id will now be passed out to other channels
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*/
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chan->cid.cid_pres &= (AST_PRES_UNAVAILABLE ^ 0xFF);
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ast_verb(3, "Changed Caller*ID to '%s', callerpres to %d\n", phone, chan->cid.cid_pres);
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pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "SUCCESS");
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} else {
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pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "FAILED");
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}
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}
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return 0;
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}
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static int unload_module(void)
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{
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return ast_unregister_application(app);
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}
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static int load_module(void)
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{
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return ast_register_application_xml(app, privacy_exec);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Require phone number to be entered, if no CallerID sent");
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