146 lines
2.9 KiB
C
Executable File
146 lines
2.9 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Caller*id name lookup - Look up the caller's name via DNS
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*
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* Copyright (C) 1999-2004, Digium
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*
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* Mark Spencer <markster@linux-support.net>
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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 <asterisk/lock.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/options.h>
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#include <asterisk/config.h>
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#include <asterisk/module.h>
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#include <asterisk/enum.h>
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#include <asterisk/utils.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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#include <ctype.h>
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static char *tdesc = "TXTCIDName";
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static char *app = "TXTCIDName";
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static char *synopsis = "Lookup caller name from TXT record";
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static char *descrip =
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" TXTLookup(CallerID): Looks up a Caller Name via DNS and sets\n"
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"the variable 'TXTCIDNAME'. TXTCIDName will either be blank\n"
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"or return the value found in the TXT record in DNS.\n" ;
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#define ENUM_CONFIG "enum.conf"
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static char h323driver[80] = "";
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#define H323DRIVERDEFAULT "H323"
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int txtcidname_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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char tech[80];
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char txt[256] = "";
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char dest[80];
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struct localuser *u;
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if (!data || !strlen(data)) {
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ast_log(LOG_WARNING, "TXTCIDName requires an argument (extension)\n");
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res = 1;
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}
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LOCAL_USER_ADD(u);
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if (!res) {
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res = ast_get_txt(chan, data, dest, sizeof(dest), tech, sizeof(tech), txt, sizeof(txt));
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}
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LOCAL_USER_REMOVE(u);
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/* Parse it out */
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if (res > 0) {
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if (!ast_strlen_zero(txt)) {
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pbx_builtin_setvar_helper(chan, "TXTCIDNAME", txt);
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#if 0
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ast_log(LOG_DEBUG, "TXTCIDNAME got '%s'\n", txt);
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#endif
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}
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}
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if (!res) {
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/* Look for a "busy" place */
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if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->callerid))
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chan->priority += 100;
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} else if (res > 0)
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res = 0;
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return res;
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}
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static int load_config(void)
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{
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struct ast_config *cfg;
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char *s;
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cfg = ast_load(ENUM_CONFIG);
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if (cfg) {
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if (!(s=ast_variable_retrieve(cfg, "general", "h323driver"))) {
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strncpy(h323driver, H323DRIVERDEFAULT, sizeof(h323driver) - 1);
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} else {
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strncpy(h323driver, s, sizeof(h323driver) - 1);
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}
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ast_destroy(cfg);
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return 0;
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}
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ast_log(LOG_NOTICE, "No ENUM Config file, using defaults\n");
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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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STANDARD_HANGUP_LOCALUSERS;
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return ast_unregister_application(app);
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}
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int load_module(void)
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{
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int res;
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res = ast_register_application(app, txtcidname_exec, synopsis, descrip);
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if (res)
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return(res);
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if ((res=load_config())) {
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return(res);
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}
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return(0);
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}
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int reload(void)
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{
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return(load_config());
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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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