git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6864 65c4cc65-6c06-0410-ace0-fbb531ad65f3
207 lines
5.2 KiB
C
Executable file
207 lines
5.2 KiB
C
Executable file
/*
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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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*/
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#include <string.h>
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#include <stdlib.h>
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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/logger.h"
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#include "asterisk/options.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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#define PRIV_CONFIG "privacy.conf"
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static char *tdesc = "Require phone number to be entered, if no CallerID sent";
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static char *app = "PrivacyManager";
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static char *synopsis = "Require phone number to be entered, if no CallerID sent";
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static char *descrip =
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" PrivacyManager: If no Caller*ID is sent, PrivacyManager answers the\n"
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"channel and asks the caller to enter their phone number.\n"
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"The caller is given 3 attempts. If after 3 attempts, they do not enter\n"
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"at least a 10 digit phone number, and if there exists a priority n + 101,\n"
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"where 'n' is the priority of the current instance, then the\n"
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"channel will be setup to continue at that priority level.\n"
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"Otherwise, it returns 0. Does nothing if Caller*ID was received on the\n"
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"channel.\n"
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" Configuration file privacy.conf contains two variables:\n"
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" maxretries default 3 -maximum number of attempts the caller is allowed to input a callerid.\n"
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" minlength default 10 -minimum allowable digits in the input callerid number.\n"
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;
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int
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privacy_exec (struct ast_channel *chan, void *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;
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char *s;
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char phone[30];
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struct localuser *u;
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struct ast_config *cfg;
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LOCAL_USER_ADD (u);
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if (!ast_strlen_zero(chan->cid.cid_num)) {
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_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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res = ast_answer(chan);
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if (res) {
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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}
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/*Read in the config file*/
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cfg = ast_config_load(PRIV_CONFIG);
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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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if (!res)
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res = ast_waitstream(chan, "");
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if (cfg && (s = ast_variable_retrieve(cfg, "general", "maxretries"))) {
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if (sscanf(s, "%d", &x) == 1) {
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maxretries = x;
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} else {
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ast_log(LOG_WARNING, "Invalid max retries argument\n");
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}
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}
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if (cfg && (s = ast_variable_retrieve(cfg, "general", "minlength"))) {
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if (sscanf(s, "%d", &x) == 1) {
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minlength = x;
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} else {
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ast_log(LOG_WARNING, "Invalid min length argument\n");
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}
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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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if (!res)
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res = ast_waitstream(chan, "");
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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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if (res < 0)
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break;
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/*Make sure we get at least digits*/
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if (strlen(phone) >= minlength )
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break;
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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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/*Got a number, play sounds and send them on their way*/
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if ((retries < maxretries) && res == 1 ) {
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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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ast_set_callerid (chan, phone, "Privacy Manager", NULL);
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "Changed Caller*ID to %s\n",phone);
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} else {
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/* Send the call to n+101 priority, where n is the current priority */
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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}
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if (cfg)
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ast_config_destroy(cfg);
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}
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LOCAL_USER_REMOVE (u);
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return 0;
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}
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int
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unload_module (void)
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{
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int res;
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res = ast_unregister_application (app);
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STANDARD_HANGUP_LOCALUSERS;
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return res;
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}
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int
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load_module (void)
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{
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return ast_register_application (app, privacy_exec, synopsis,
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descrip);
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}
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char *
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description (void)
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{
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return tdesc;
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}
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int
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usecount (void)
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{
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int res;
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STANDARD_USECOUNT (res);
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return res;
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}
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char *
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key ()
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{
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return ASTERISK_GPL_KEY;
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}
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