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-rw-r--r--apps/app_privacy.c232
1 files changed, 232 insertions, 0 deletions
diff --git a/apps/app_privacy.c b/apps/app_privacy.c
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+/*
+ * 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
+ *
+ * \author Mark Spencer <markster@digium.com>
+ *
+ * \ingroup applications
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#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 *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"
+;
+
+
+static int privacy_exec (struct ast_channel *chan, void *data)
+{
+ int res=0;
+ int retries;
+ int maxretries = 3;
+ int minlength = 10;
+ int x = 0;
+ const char *s;
+ char phone[30];
+ struct ast_module_user *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);
+ );
+
+ u = ast_module_user_add(chan);
+
+ 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) {
+ ast_module_user_remove(u);
+ return -1;
+ }
+ }
+
+ if (!ast_strlen_zero(data)) {
+ parse = ast_strdupa(data);
+
+ 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 || ast_opt_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);
+ }
+
+ ast_module_user_remove(u);
+
+ return 0;
+}
+
+static int unload_module(void)
+{
+ int res;
+
+ res = ast_unregister_application (app);
+
+ ast_module_user_hangup_all();
+
+ return res;
+}
+
+static int load_module(void)
+{
+ return ast_register_application (app, privacy_exec, synopsis, descrip);
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Require phone number to be entered, if no CallerID sent");
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 00:16:57 +0000