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472c1ca282
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@32846 65c4cc65-6c06-0410-ace0-fbb531ad65f3
245 lines
6.6 KiB
C
245 lines
6.6 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 <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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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([maxretries[|minlength[|options]]]): If no Caller*ID \n"
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"is sent, PrivacyManager answers the channel and asks the caller to\n"
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"enter their phone number. The caller is given 3 attempts to do so.\n"
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"The application does nothing if Caller*ID was received on the 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 \n"
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" 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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"If you don't want to use the config file and have an i/o operation with\n"
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"every call, you can also specify maxretries and minlength as application\n"
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"parameters. Doing so supercedes any values set in privacy.conf.\n"
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"The option string may contain the following character: \n"
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" 'j' -- jump to n+101 priority after <maxretries> failed attempts to collect\n"
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" the minlength number of digits.\n"
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"The application sets the following channel variable upon completion: \n"
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"PRIVACYMGRSTATUS The status of the privacy manager's attempt to collect \n"
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" a phone number from the user. A text string that is either:\n"
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" SUCCESS | FAILED \n"
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;
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LOCAL_USER_DECL;
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static int 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 = 0;
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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 = NULL;
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char *parse = NULL;
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int priority_jump = 0;
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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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);
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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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if (!ast_strlen_zero((char *)data))
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{
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parse = ast_strdupa(data);
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AST_STANDARD_APP_ARGS(args, parse);
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if (args.maxretries) {
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if (sscanf(args.maxretries, "%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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if (args.minlength) {
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if (sscanf(args.minlength, "%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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if (args.options)
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if (strchr(args.options, 'j'))
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priority_jump = 1;
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}
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if (!x)
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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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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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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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/*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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/*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 >= 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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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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if (option_verbose > 2) {
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ast_verbose (VERBOSE_PREFIX_3 "Changed Caller*ID to %s, callerpres to %d\n",phone,chan->cid.cid_pres);
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}
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pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "SUCCESS");
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} else {
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if (priority_jump || ast_opt_priority_jumping)
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "FAILED");
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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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static int unload_module(void *mod)
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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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static int load_module(void *mod)
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{
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return ast_register_application (app, privacy_exec, synopsis, descrip);
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}
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static const char *description(void)
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{
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return tdesc;
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}
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static const char *key(void)
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{
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return ASTERISK_GPL_KEY;
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}
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STD_MOD1;
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