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05f6188c69
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2-netsec@48421 65c4cc65-6c06-0410-ace0-fbb531ad65f3
324 lines
8.1 KiB
C
324 lines
8.1 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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* 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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* 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 Database access functions
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*
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* \ingroup applications
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*/
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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 <unistd.h>
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#include <sys/types.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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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 "asterisk/options.h"
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static char *tdesc = "Database Access Functions";
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static char *g_descrip =
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" DBget(varname=family/key[|options]): This application will retrieve a value\n"
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"from the Asterisk database and store it in the given variable.\n"
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" Options:\n"
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" j - Jump to priority n+101 if the requested family/key isn't found.\n"
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" This application sets the following channel variable upon completion:\n"
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" DBGETSTATUS - This variable will contain the status of the attempt\n"
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" FOUND | NOTFOUND \n"
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" This application has been deprecated in favor of the DB function.\n";
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static char *p_descrip =
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" DBput(family/key=value): This application will store the given value in the\n"
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"specified location in the Asterisk database.\n"
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" This application has been deprecated in favor of the DB function.\n";
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static char *d_descrip =
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" DBdel(family/key): This application will delete a key from the Asterisk\n"
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"database.\n";
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static char *dt_descrip =
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" DBdeltree(family[/keytree]): This application will delete a family or keytree\n"
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"from the Asterisk database\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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char *argv, *family, *keytree;
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struct localuser *u;
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LOCAL_USER_ADD(u);
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argv = ast_strdupa(data);
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if (!argv) {
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ast_log(LOG_ERROR, "Memory allocation failed\n");
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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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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LOCAL_USER_REMOVE(u);
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return 0;
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}
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if (ast_strlen_zero(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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LOCAL_USER_REMOVE(u);
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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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char *argv, *family, *key;
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struct localuser *u;
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LOCAL_USER_ADD(u);
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argv = ast_strdupa(data);
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if (!argv) {
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ast_log (LOG_ERROR, "Memory allocation failed\n");
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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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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LOCAL_USER_REMOVE(u);
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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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LOCAL_USER_REMOVE(u);
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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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char *argv, *value, *family, *key;
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static int dep_warning = 0;
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struct localuser *u;
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LOCAL_USER_ADD(u);
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if (!dep_warning) {
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ast_log(LOG_WARNING, "This application has been deprecated, please use the ${DB(family/key)} function instead.\n");
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dep_warning = 1;
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}
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argv = ast_strdupa(data);
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if (!argv) {
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ast_log(LOG_ERROR, "Memory allocation failed\n");
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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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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LOCAL_USER_REMOVE(u);
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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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LOCAL_USER_REMOVE(u);
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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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char *argv, *varname, *family, *key, *options = NULL;
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char dbresult[256];
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static int dep_warning = 0;
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int priority_jump = 0;
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struct localuser *u;
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LOCAL_USER_ADD(u);
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if (!dep_warning) {
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ast_log(LOG_WARNING, "This application has been deprecated, please use the ${DB(family/key)} function instead.\n");
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dep_warning = 1;
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}
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argv = ast_strdupa(data);
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if (!argv) {
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ast_log(LOG_ERROR, "Memory allocation failed\n");
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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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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if (strchr((void *)&argv, '|')) {
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key = strsep(&argv, "|");
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options = strsep(&argv, "\0");
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} else
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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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LOCAL_USER_REMOVE(u);
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return 0;
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}
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if (options) {
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if (strchr(options, 'j'))
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priority_jump = 1;
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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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pbx_builtin_setvar_helper(chan, "DBGETSTATUS", "FOUND");
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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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if (priority_jump || option_priority_jumping) {
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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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pbx_builtin_setvar_helper(chan, "DBGETSTATUS", "NOTFOUND");
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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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LOCAL_USER_REMOVE(u);
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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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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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STANDARD_HANGUP_LOCALUSERS;
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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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retval |= ast_register_application(p_app, put_exec, p_synopsis, p_descrip);
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retval |= ast_register_application(d_app, del_exec, d_synopsis, d_descrip);
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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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