1 files changed, 120 insertions, 0 deletions
diff --git a/funcs/func_md5.c b/funcs/func_md5.c
new file mode 100644
index 000000000..db6be8f7b
--- /dev/null
+++ b/funcs/func_md5.c
@@ -0,0 +1,120 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2005-2006, Digium, Inc.
+ * Copyright (C) 2005, Olle E. Johansson, Edvina.net
+ * Copyright (C) 2005, Russell Bryant <russelb@clemson.edu> 
+ *
+ * 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 MD5 digest related dialplan functions
+ * 
+ * \author Olle E. Johansson <oej@edvina.net>
+ * \author Russell Bryant <russelb@clemson.edu>
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "asterisk/module.h"
+#include "asterisk/channel.h"
+#include "asterisk/pbx.h"
+#include "asterisk/logger.h"
+#include "asterisk/utils.h"
+#include "asterisk/app.h"
+
+static int md5(struct ast_channel *chan, char *cmd, char *data,
+	       char *buf, size_t len)
+{
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "Syntax: MD5(<data>) - missing argument!\n");
+		return -1;
+	}
+
+	ast_md5_hash(buf, data);
+	buf[32] = '\0';
+
+	return 0;
+}
+
+static int checkmd5(struct ast_channel *chan, char *cmd, char *parse,
+		    char *buf, size_t len)
+{
+	char newmd5[33];
+	static int deprecated = 0;
+	AST_DECLARE_APP_ARGS(args, AST_APP_ARG(digest); AST_APP_ARG(data););
+
+	if (ast_strlen_zero(parse)) {
+		ast_log(LOG_WARNING,
+				"Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
+		return -1;
+	}
+
+	AST_STANDARD_APP_ARGS(args, parse);
+
+	if (args.argc < 2) {
+		ast_log(LOG_WARNING,
+				"Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n");
+		return -1;
+	}
+
+	if (!deprecated) {
+		deprecated = 1;
+		ast_log(LOG_WARNING, "CHECK_MD5() is deprecated in Asterisk 1.4 and later.\n");
+	}
+
+	ast_md5_hash(newmd5, args.data);
+
+	if (!strcasecmp(newmd5, args.digest))	/* they match */
+		ast_copy_string(buf, "1", len);
+	else
+		ast_copy_string(buf, "0", len);
+
+	return 0;
+}
+
+static struct ast_custom_function md5_function = {
+	.name = "MD5",
+	.synopsis = "Computes an MD5 digest",
+	.syntax = "MD5(<data>)",
+	.read = md5,
+};
+
+static struct ast_custom_function checkmd5_function = {
+	.name = "CHECK_MD5",
+	.synopsis = "Checks an MD5 digest",
+	.desc = "Returns 1 on a match, 0 otherwise\n",
+	.syntax = "CHECK_MD5(<digest>,<data>)",
+	.read = checkmd5,
+};
+
+static int unload_module(void)
+{
+	return ast_custom_function_unregister(&md5_function) |
+		ast_custom_function_unregister(&checkmd5_function);
+}
+
+static int load_module(void)
+{
+	return ast_custom_function_register(&md5_function) |
+		ast_custom_function_register(&checkmd5_function);
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "MD5 digest dialplan functions");