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-rw-r--r--trunk/funcs/func_sha1.c76
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diff --git a/trunk/funcs/func_sha1.c b/trunk/funcs/func_sha1.c
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+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2006, Digium, Inc.
+ * Copyright (C) 2006, Claude Patry
+ *
+ * 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 SHA1 digest related dialplan functions
+ *
+ * \author Claude Patry <cpatry@gmail.com>
+ *
+ * \ingroup functions
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/module.h"
+#include "asterisk/pbx.h"
+
+static int sha1(struct ast_channel *chan, const char *cmd, char *data,
+ char *buf, size_t len)
+{
+ *buf = '\0';
+
+ if (ast_strlen_zero(data)) {
+ ast_log(LOG_WARNING, "Syntax: SHA1(<data>) - missing argument!\n");
+ return -1;
+ }
+
+ if (len >= 41)
+ ast_sha1_hash(buf, data);
+ else {
+ ast_log(LOG_ERROR,
+ "Insufficient space to produce SHA1 hash result (%d < 41)\n",
+ (int) len);
+ }
+
+ return 0;
+}
+
+static struct ast_custom_function sha1_function = {
+ .name = "SHA1",
+ .synopsis = "Computes a SHA1 digest",
+ .syntax = "SHA1(<data>)",
+ .read = sha1,
+ .desc = "Generate a SHA1 digest via the SHA1 algorythm.\n"
+ " Example: Set(sha1hash=${SHA1(junky)})\n"
+ " Sets the asterisk variable sha1hash to the string '60fa5675b9303eb62f99a9cd47f9f5837d18f9a0'\n"
+ " which is known as his hash\n",
+};
+
+static int unload_module(void)
+{
+ return ast_custom_function_unregister(&sha1_function);
+}
+
+static int load_module(void)
+{
+ return ast_custom_function_register(&sha1_function);
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "SHA-1 computation dialplan function");