141 lines
3.3 KiB
C
Executable File
141 lines
3.3 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Time of day - Report the time of day
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*
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* Copyright (C) 1999, Mark Spencer
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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/module.h>
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#include <asterisk/enum.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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#include <pthread.h>
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static char *tdesc = "ENUM Lookup";
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static char *app = "EnumLookup";
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static char *synopsis = "Lookup number in ENUM";
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static char *descrip =
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" EnumLookup(exten): Looks up an extension via ENUM and sets\n"
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"the variable 'ENUM'. Returns -1 on hangup, or 0 on completion\n"
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"regardless of whether the lookup was successful. Currently, the\n"
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"enumservices SIP and TEL are recognized. A good SIP entry\n"
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"will result in normal priority handling, whereas a good TEL entry\n"
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"will increase the priority by 51 (if existing)\n"
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"If the lookup was *not* successful and there exists a priority n + 101,\n"
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"then that priority will be taken next.\n" ;
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int enumlookup_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 dest[80];
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char tmp[256];
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char *c,*t;
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struct localuser *u;
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if (!data || !strlen(data)) {
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ast_log(LOG_WARNING, "EnumLookup 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_enum(chan, data, dest, sizeof(dest), tech, sizeof(tech));
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printf("ENUM got '%d'\n", res);
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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 (!strcasecmp(tech, "SIP")) {
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c = dest;
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if (!strncmp(c, "sip:", 4))
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c += 4;
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snprintf(tmp, sizeof(tmp), "SIP/%s", c);
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pbx_builtin_setvar_helper(chan, "ENUM", tmp);
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} else if (!strcasecmp(tech, "tel")) {
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c = dest;
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if (!strncmp(c, "tel:", 4))
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c += 4;
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if (c[0] != '+') {
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ast_log(LOG_NOTICE, "tel: uri must start with a \"+\" (got '%s')\n", c);
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res = 0;
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} else {
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/* now copy over the number, skipping all non-digits and stop at ; or NULL */
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t = tmp;
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while( *c && (*c != ';') && (t - tmp < (sizeof(tmp) - 1))) {
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if (isdigit(*c))
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*t++ = *c;
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c++;
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}
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*t = 0;
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pbx_builtin_setvar_helper(chan, "ENUM", tmp);
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ast_log(LOG_NOTICE, "tel: ENUM set to \"%s\"\n", tmp);
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if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 51, chan->callerid))
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chan->priority += 50;
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else
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res = 0;
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}
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} else if (strlen(tech)) {
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ast_log(LOG_NOTICE, "Don't know how to handle technology '%s'\n", tech);
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res = 0;
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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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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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return ast_register_application(app, enumlookup_exec, synopsis, descrip);
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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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