![markster](/assets/img/avatar_default.png)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@3874 f38db490-d61c-443f-a65b-d21fe96a405b
256 lines
6.6 KiB
C
Executable file
256 lines
6.6 KiB
C
Executable file
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Database access functions
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*
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* Copyright (C) 1999-2004, Digium, Inc.
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* Copyright (C) 2003, Jefferson Noxon
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*
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* Mark Spencer <markster@digium.com>
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* Jefferson Noxon <jeff@debian.org>
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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
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*/
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#include <sys/types.h>
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#include <asterisk/options.h>
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#include <asterisk/file.h>
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#include <asterisk/logger.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/astdb.h>
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#include <asterisk/lock.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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static char *tdesc = "Database access functions for Asterisk extension logic";
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static char *g_descrip =
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" DBget(varname=family/key): Retrieves a value from the Asterisk\n"
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"database and stores it in the given variable. Always returns 0. If the\n"
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"requested key is not found, jumps to priority n+101 if available.\n";
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static char *p_descrip =
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" DBput(family/key=value): Stores the given value in the Asterisk\n"
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"database. Always returns 0.\n";
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static char *d_descrip =
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" DBdel(family/key): Deletes a key from the Asterisk database. Always\n"
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"returns 0.\n";
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static char *dt_descrip =
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" DBdeltree(family[/keytree]): Deletes a family or keytree from the Asterisk\n"
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"database. Always returns 0.\n";
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static char *g_app = "DBget";
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static char *p_app = "DBput";
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static char *d_app = "DBdel";
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static char *dt_app = "DBdeltree";
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static char *g_synopsis = "Retrieve a value from the database";
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static char *p_synopsis = "Store a value in the database";
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static char *d_synopsis = "Delete a key from the database";
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static char *dt_synopsis = "Delete a family or keytree from the database";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int deltree_exec (struct ast_channel *chan, void *data)
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{
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int arglen;
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char *argv, *family, *keytree;
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arglen = strlen (data);
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argv = alloca (arglen + 1);
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if (!argv) { /* Why would this fail? */
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ast_log (LOG_DEBUG, "Memory allocation failed\n");
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return 0;
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}
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memcpy (argv, data, arglen + 1);
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if (strchr (argv, '/')) {
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family = strsep (&argv, "/");
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keytree = strsep (&argv, "\0");
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if (!family || !keytree) {
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ast_log (LOG_DEBUG, "Ignoring; Syntax error in argument\n");
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return 0;
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}
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if (!strlen (keytree))
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keytree = 0;
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} else {
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family = argv;
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keytree = 0;
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}
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if (option_verbose > 2) {
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if (keytree)
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ast_verbose (VERBOSE_PREFIX_3 "DBdeltree: family=%s, keytree=%s\n", family, keytree);
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else
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ast_verbose (VERBOSE_PREFIX_3 "DBdeltree: family=%s\n", family);
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}
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if (ast_db_deltree (family, keytree)) {
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBdeltree: Error deleting key from database.\n");
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}
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return 0;
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}
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static int del_exec (struct ast_channel *chan, void *data)
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{
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int arglen;
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char *argv, *family, *key;
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arglen = strlen (data);
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argv = alloca (arglen + 1);
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if (!argv) { /* Why would this fail? */
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ast_log (LOG_DEBUG, "Memory allocation failed\n");
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return 0;
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}
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memcpy (argv, data, arglen + 1);
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if (strchr (argv, '/')) {
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family = strsep (&argv, "/");
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key = strsep (&argv, "\0");
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if (!family || !key) {
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ast_log (LOG_DEBUG, "Ignoring; Syntax error in argument\n");
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return 0;
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}
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBdel: family=%s, key=%s\n", family, key);
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if (ast_db_del (family, key)) {
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBdel: Error deleting key from database.\n");
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}
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} else {
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ast_log (LOG_DEBUG, "Ignoring, no parameters\n");
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}
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return 0;
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}
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static int put_exec (struct ast_channel *chan, void *data)
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{
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int arglen;
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char *argv, *value, *family, *key;
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arglen = strlen (data);
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argv = alloca (arglen + 1);
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if (!argv) { /* Why would this fail? */
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ast_log (LOG_DEBUG, "Memory allocation failed\n");
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return 0;
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}
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memcpy (argv, data, arglen + 1);
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if (strchr (argv, '/') && strchr (argv, '=')) {
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family = strsep (&argv, "/");
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key = strsep (&argv, "=");
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value = strsep (&argv, "\0");
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if (!value || !family || !key) {
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ast_log (LOG_DEBUG, "Ignoring; Syntax error in argument\n");
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return 0;
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}
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBput: family=%s, key=%s, value=%s\n", family, key, value);
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if (ast_db_put (family, key, value)) {
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBput: Error writing value to database.\n");
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}
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} else {
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ast_log (LOG_DEBUG, "Ignoring, no parameters\n");
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}
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return 0;
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}
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static int get_exec (struct ast_channel *chan, void *data)
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{
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int arglen;
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char *argv, *varname, *family, *key;
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char dbresult[256];
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arglen = strlen (data);
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argv = alloca (arglen + 1);
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if (!argv) { /* Why would this fail? */
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ast_log (LOG_DEBUG, "Memory allocation failed\n");
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return 0;
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}
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memcpy (argv, data, arglen + 1);
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if (strchr (argv, '=') && strchr (argv, '/')) {
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varname = strsep (&argv, "=");
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family = strsep (&argv, "/");
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key = strsep (&argv, "\0");
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if (!varname || !family || !key) {
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ast_log (LOG_DEBUG, "Ignoring; Syntax error in argument\n");
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return 0;
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}
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBget: varname=%s, family=%s, key=%s\n", varname, family, key);
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if (!ast_db_get (family, key, dbresult, sizeof (dbresult) - 1)) {
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pbx_builtin_setvar_helper (chan, varname, dbresult);
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBget: set variable %s to %s\n", varname, dbresult);
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} else {
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if (option_verbose > 2)
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ast_verbose (VERBOSE_PREFIX_3 "DBget: Value not found in database.\n");
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/* Send the call to n+101 priority, where n is the current priority */
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if (ast_exists_extension (chan, chan->context, chan->exten, chan->priority + 101, chan->cid.cid_num))
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chan->priority += 100;
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}
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} else {
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ast_log (LOG_DEBUG, "Ignoring, no parameters\n");
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}
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return 0;
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}
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int unload_module (void)
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{
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int retval;
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STANDARD_HANGUP_LOCALUSERS;
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retval = ast_unregister_application (dt_app);
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retval |= ast_unregister_application (d_app);
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retval |= ast_unregister_application (p_app);
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retval |= ast_unregister_application (g_app);
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return retval;
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}
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int load_module (void)
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{
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int retval;
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retval = ast_register_application (g_app, get_exec, g_synopsis, g_descrip);
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if (!retval)
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retval = ast_register_application (p_app, put_exec, p_synopsis, p_descrip);
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if (!retval)
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retval = ast_register_application (d_app, del_exec, d_synopsis, d_descrip);
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if (!retval)
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retval = ast_register_application (dt_app, deltree_exec, dt_synopsis, dt_descrip);
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return retval;
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}
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char *description (void)
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{
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return tdesc;
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}
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int 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 *key ()
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{
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return ASTERISK_GPL_KEY;
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}
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