mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-04 05:15:22 +00:00
d46854d378
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2-netsec@24128 65c4cc65-6c06-0410-ace0-fbb531ad65f3
263 lines
6.7 KiB
C
263 lines
6.7 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
*
|
|
* Mark Spencer <markster@digium.com>
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Block all calls without Caller*ID, require phone # to be entered
|
|
*
|
|
* \ingroup applications
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include "asterisk/lock.h"
|
|
#include "asterisk/file.h"
|
|
#include "asterisk/utils.h"
|
|
#include "asterisk/logger.h"
|
|
#include "asterisk/options.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/translate.h"
|
|
#include "asterisk/image.h"
|
|
#include "asterisk/callerid.h"
|
|
#include "asterisk/app.h"
|
|
#include "asterisk/config.h"
|
|
|
|
#define PRIV_CONFIG "privacy.conf"
|
|
|
|
static char *tdesc = "Require phone number to be entered, if no CallerID sent";
|
|
|
|
static char *app = "PrivacyManager";
|
|
|
|
static char *synopsis = "Require phone number to be entered, if no CallerID sent";
|
|
|
|
static char *descrip =
|
|
" PrivacyManager([maxretries[|minlength[|options]]]): If no Caller*ID \n"
|
|
"is sent, PrivacyManager answers the channel and asks the caller to\n"
|
|
"enter their phone number. The caller is given 3 attempts to do so.\n"
|
|
"The application does nothing if Caller*ID was received on the channel.\n"
|
|
" Configuration file privacy.conf contains two variables:\n"
|
|
" maxretries default 3 -maximum number of attempts the caller is allowed \n"
|
|
" to input a callerid.\n"
|
|
" minlength default 10 -minimum allowable digits in the input callerid number.\n"
|
|
"If you don't want to use the config file and have an i/o operation with\n"
|
|
"every call, you can also specify maxretries and minlength as application\n"
|
|
"parameters. Doing so supercedes any values set in privacy.conf.\n"
|
|
"The option string may contain the following character: \n"
|
|
" 'j' -- jump to n+101 priority after <maxretries> failed attempts to collect\n"
|
|
" the minlength number of digits.\n"
|
|
"The application sets the following channel variable upon completion: \n"
|
|
"PRIVACYMGRSTATUS The status of the privacy manager's attempt to collect \n"
|
|
" a phone number from the user. A text string that is either:\n"
|
|
" SUCCESS | FAILED \n"
|
|
;
|
|
|
|
STANDARD_LOCAL_USER;
|
|
|
|
LOCAL_USER_DECL;
|
|
|
|
|
|
|
|
static int privacy_exec (struct ast_channel *chan, void *data)
|
|
{
|
|
int res=0;
|
|
int retries;
|
|
int maxretries = 3;
|
|
int minlength = 10;
|
|
int x = 0;
|
|
char *s;
|
|
char phone[30];
|
|
struct localuser *u;
|
|
struct ast_config *cfg = NULL;
|
|
char *parse = NULL;
|
|
int priority_jump = 0;
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(maxretries);
|
|
AST_APP_ARG(minlength);
|
|
AST_APP_ARG(options);
|
|
);
|
|
|
|
LOCAL_USER_ADD (u);
|
|
if (!ast_strlen_zero(chan->cid.cid_num)) {
|
|
if (option_verbose > 2)
|
|
ast_verbose (VERBOSE_PREFIX_3 "CallerID Present: Skipping\n");
|
|
} else {
|
|
/*Answer the channel if it is not already*/
|
|
if (chan->_state != AST_STATE_UP) {
|
|
res = ast_answer(chan);
|
|
if (res) {
|
|
LOCAL_USER_REMOVE(u);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!ast_strlen_zero((char *)data))
|
|
{
|
|
parse = ast_strdupa(data);
|
|
if (!parse) {
|
|
ast_log(LOG_ERROR, "Out of memory!\n");
|
|
LOCAL_USER_REMOVE(u);
|
|
return -1;
|
|
}
|
|
|
|
AST_STANDARD_APP_ARGS(args, parse);
|
|
|
|
if (args.maxretries) {
|
|
if (sscanf(args.maxretries, "%d", &x) == 1)
|
|
maxretries = x;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid max retries argument\n");
|
|
}
|
|
if (args.minlength) {
|
|
if (sscanf(args.minlength, "%d", &x) == 1)
|
|
minlength = x;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid min length argument\n");
|
|
}
|
|
if (args.options)
|
|
if (strchr(args.options, 'j'))
|
|
priority_jump = 1;
|
|
|
|
}
|
|
|
|
if (!x)
|
|
{
|
|
/*Read in the config file*/
|
|
cfg = ast_config_load(PRIV_CONFIG);
|
|
|
|
if (cfg && (s = ast_variable_retrieve(cfg, "general", "maxretries"))) {
|
|
if (sscanf(s, "%d", &x) == 1)
|
|
maxretries = x;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid max retries argument\n");
|
|
}
|
|
|
|
if (cfg && (s = ast_variable_retrieve(cfg, "general", "minlength"))) {
|
|
if (sscanf(s, "%d", &x) == 1)
|
|
minlength = x;
|
|
else
|
|
ast_log(LOG_WARNING, "Invalid min length argument\n");
|
|
}
|
|
}
|
|
|
|
/*Play unidentified call*/
|
|
res = ast_safe_sleep(chan, 1000);
|
|
if (!res)
|
|
res = ast_streamfile(chan, "privacy-unident", chan->language);
|
|
if (!res)
|
|
res = ast_waitstream(chan, "");
|
|
|
|
/*Ask for 10 digit number, give 3 attempts*/
|
|
for (retries = 0; retries < maxretries; retries++) {
|
|
if (!res)
|
|
res = ast_streamfile(chan, "privacy-prompt", chan->language);
|
|
if (!res)
|
|
res = ast_waitstream(chan, "");
|
|
|
|
if (!res )
|
|
res = ast_readstring(chan, phone, sizeof(phone) - 1, /* digit timeout ms */ 3200, /* first digit timeout */ 5000, "#");
|
|
|
|
if (res < 0)
|
|
break;
|
|
|
|
/*Make sure we get at least digits*/
|
|
if (strlen(phone) >= minlength )
|
|
break;
|
|
else {
|
|
res = ast_streamfile(chan, "privacy-incorrect", chan->language);
|
|
if (!res)
|
|
res = ast_waitstream(chan, "");
|
|
}
|
|
}
|
|
|
|
/*Got a number, play sounds and send them on their way*/
|
|
if ((retries < maxretries) && res >= 0 ) {
|
|
res = ast_streamfile(chan, "privacy-thankyou", chan->language);
|
|
if (!res)
|
|
res = ast_waitstream(chan, "");
|
|
|
|
ast_set_callerid (chan, phone, "Privacy Manager", NULL);
|
|
|
|
/* Clear the unavailable presence bit so if it came in on PRI
|
|
* the caller id will now be passed out to other channels
|
|
*/
|
|
chan->cid.cid_pres &= (AST_PRES_UNAVAILABLE ^ 0xFF);
|
|
|
|
if (option_verbose > 2) {
|
|
ast_verbose (VERBOSE_PREFIX_3 "Changed Caller*ID to %s, callerpres to %d\n",phone,chan->cid.cid_pres);
|
|
}
|
|
pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "SUCCESS");
|
|
} else {
|
|
if (priority_jump || option_priority_jumping)
|
|
ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
|
|
pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "FAILED");
|
|
}
|
|
if (cfg)
|
|
ast_config_destroy(cfg);
|
|
}
|
|
|
|
LOCAL_USER_REMOVE (u);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
unload_module (void)
|
|
{
|
|
int res;
|
|
|
|
res = ast_unregister_application (app);
|
|
|
|
STANDARD_HANGUP_LOCALUSERS;
|
|
|
|
return res;
|
|
}
|
|
|
|
int
|
|
load_module (void)
|
|
{
|
|
return ast_register_application (app, privacy_exec, synopsis,
|
|
descrip);
|
|
}
|
|
|
|
char *
|
|
description (void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int
|
|
usecount (void)
|
|
{
|
|
int res;
|
|
STANDARD_USECOUNT (res);
|
|
return res;
|
|
}
|
|
|
|
char *
|
|
key ()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|