1 files changed, 270 insertions, 0 deletions
diff --git a/1.2-netsec/apps/app_enumlookup.c b/1.2-netsec/apps/app_enumlookup.c
new file mode 100644
index 000000000..bd209c47b
--- /dev/null
+++ b/1.2-netsec/apps/app_enumlookup.c
@@ -0,0 +1,270 @@
+/*
+ * 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 Enumlookup - lookup entry in ENUM
+ *
+ * \ingroup applications
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/lock.h"
+#include "asterisk/file.h"
+#include "asterisk/logger.h"
+#include "asterisk/channel.h"
+#include "asterisk/pbx.h"
+#include "asterisk/options.h"
+#include "asterisk/config.h"
+#include "asterisk/module.h"
+#include "asterisk/enum.h"
+#include "asterisk/utils.h"
+#include "asterisk/app.h"
+#include "asterisk/options.h"
+
+static char *tdesc = "ENUM Lookup";
+
+static char *app = "EnumLookup";
+
+static char *synopsis = "Lookup number in ENUM";
+
+static char *descrip =
+"  EnumLookup(exten[|option]):  Looks up an extension via ENUM and sets\n"
+"the variable 'ENUM'. For VoIP URIs this variable will \n"
+"look like 'TECHNOLOGY/URI' with the appropriate technology.\n"
+"Currently, the enumservices SIP, H323, IAX, IAX2 and TEL are recognized. \n"
+"\nReturns status in the ENUMSTATUS channel variable:\n"
+"    ERROR	Failed to do a lookup\n"
+"    <tech>	Technology of the successful lookup: SIP, H323, IAX, IAX2 or TEL\n"
+"    BADURI	Got URI Asterisk does not understand.\n"
+"  The option string may contain zero or the following character:\n"
+"       'j' -- jump to +101 priority if the lookup isn't successful.\n"
+"	       and jump to +51 priority on a TEL entry.\n";
+
+#define ENUM_CONFIG "enum.conf"
+
+static char h323driver[80] = "";
+#define H323DRIVERDEFAULT "H323"
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+/*--- enumlookup_exec: Look up number in ENUM and return result */
+static int enumlookup_exec(struct ast_channel *chan, void *data)
+{
+	int res=0,priority_jump=0;
+	char tech[80];
+	char dest[80];
+	char tmp[256];
+	char *c,*t = NULL;
+	static int dep_warning=0;
+	struct localuser *u;
+	char *parse;
+	AST_DECLARE_APP_ARGS(args,
+		AST_APP_ARG(d);
+		AST_APP_ARG(o);
+	);
+
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "EnumLookup requires an argument (extension)\n");
+		return -1;
+	}
+		
+	if (!dep_warning) {
+		ast_log(LOG_WARNING, "The application EnumLookup is deprecated.  Please use the ENUMLOOKUP() function instead.\n");
+		dep_warning = 1;
+	}
+
+	LOCAL_USER_ADD(u);
+
+	parse = ast_strdupa(data);
+	if (!parse) {
+		ast_log(LOG_ERROR, "Out of memory!\n");
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	}
+
+	AST_STANDARD_APP_ARGS(args, parse);
+
+	tech[0] = '\0';
+	dest[0] = '\0';
+
+	if (args.o) {
+		if (strchr(args.o, 'j'))
+			priority_jump = 1;
+	}
+
+	res = ast_get_enum(chan, args.d, dest, sizeof(dest), tech, sizeof(tech), NULL, NULL);
+	
+	if (!res) {	/* Failed to do a lookup */
+		if (priority_jump || option_priority_jumping) {
+			/* Look for a "busy" place */
+			ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
+		}
+		pbx_builtin_setvar_helper(chan, "ENUMSTATUS", "ERROR");
+		LOCAL_USER_REMOVE(u);
+		return 0;
+	}
+	pbx_builtin_setvar_helper(chan, "ENUMSTATUS", tech);
+	/* Parse it out */
+	if (res > 0) {
+		if (!strcasecmp(tech, "SIP")) {
+			c = dest;
+			if (!strncmp(c, "sip:", 4))
+				c += 4;
+			snprintf(tmp, sizeof(tmp), "SIP/%s", c);
+			pbx_builtin_setvar_helper(chan, "ENUM", tmp);
+		} else if (!strcasecmp(tech, "h323")) {
+			c = dest;
+			if (!strncmp(c, "h323:", 5))
+				c += 5;
+			snprintf(tmp, sizeof(tmp), "%s/%s", h323driver, c);
+/* do a s!;.*!! on the H323 URI */
+			t = strchr(c,';');
+                       if (t)
+				*t = 0;
+			pbx_builtin_setvar_helper(chan, "ENUM", tmp);
+		} else if (!strcasecmp(tech, "iax")) {
+			c = dest;
+			if (!strncmp(c, "iax:", 4))
+				c += 4;
+			snprintf(tmp, sizeof(tmp), "IAX/%s", c);
+			pbx_builtin_setvar_helper(chan, "ENUM", tmp);
+		} else if (!strcasecmp(tech, "iax2")) {
+			c = dest;
+			if (!strncmp(c, "iax2:", 5))
+				c += 5;
+			snprintf(tmp, sizeof(tmp), "IAX2/%s", c);
+			pbx_builtin_setvar_helper(chan, "ENUM", tmp);
+		} else if (!strcasecmp(tech, "tel")) {
+			c = dest;
+			if (!strncmp(c, "tel:", 4))
+				c += 4;
+
+			if (c[0] != '+') {
+				ast_log(LOG_NOTICE, "tel: uri must start with a \"+\" (got '%s')\n", c);
+				res = 0;
+			} else {
+/* now copy over the number, skipping all non-digits and stop at ; or NULL */
+                               t = tmp;
+				while( *c && (*c != ';') && (t - tmp < (sizeof(tmp) - 1))) {
+					if (isdigit(*c))
+						*t++ = *c;
+					c++;
+				}
+				*t = 0;
+				pbx_builtin_setvar_helper(chan, "ENUM", tmp);
+				ast_log(LOG_NOTICE, "tel: ENUM set to \"%s\"\n", tmp);
+				if (priority_jump || option_priority_jumping) {
+					if (ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 51))
+						res = 0;
+				}
+			}
+		} else if (!ast_strlen_zero(tech)) {
+			ast_log(LOG_NOTICE, "Don't know how to handle technology '%s'\n", tech);
+			pbx_builtin_setvar_helper(chan, "ENUMSTATUS", "BADURI");
+			res = 0;
+		}
+	}
+
+	LOCAL_USER_REMOVE(u);
+
+	return 0;
+}
+
+/*--- load_config: Load enum.conf and find out how to handle H.323 */
+static int load_config(void)
+{
+	struct ast_config *cfg;
+	char *s;
+
+	cfg = ast_config_load(ENUM_CONFIG);
+	if (cfg) {
+		if (!(s=ast_variable_retrieve(cfg, "general", "h323driver"))) {
+			strncpy(h323driver, H323DRIVERDEFAULT, sizeof(h323driver) - 1);
+		} else {
+			strncpy(h323driver, s, sizeof(h323driver) - 1);
+		}
+		ast_config_destroy(cfg);
+		return 0;
+	}
+	ast_log(LOG_NOTICE, "No ENUM Config file, using defaults\n");
+	return 0;
+}
+
+
+/*--- unload_module: Unload this application from PBX */
+int unload_module(void)
+{
+	int res;
+
+	res = ast_unregister_application(app);
+
+	STANDARD_HANGUP_LOCALUSERS;
+
+	return res;
+}
+
+/*--- load_module: Load this application into PBX */
+int load_module(void)
+{
+	int res;
+	
+	res = ast_register_application(app, enumlookup_exec, synopsis, descrip);
+	
+	if (!res)
+		res = load_config();
+	
+	return res;
+}
+
+/*--- reload: Reload configuration file */
+int reload(void)
+{
+	return load_config();
+}
+
+
+/*--- description: Describe module */
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}
+