Add OEJ's md5 app (bug #3604)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5048 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 86 insertions, 0 deletions

diff --git a/apps/app_md5.c b/apps/app_md5.c
new file mode 100755
index 000000000..1be840aed
--- /dev/null
+++ b/apps/app_md5.c
@@ -0,0 +1,86 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * MD5 checksum application
+ * 
+ * Copyright (C) 2005, Olle E. Johansson, Edvina.net
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/utils.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/lock.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+static char *tdesc = "MD5 checksum application";
+static char *app_md5 = "md5";
+static char *synopsis = 
+"  md5(<var>=<string>): Calculates a MD5 checksum on <string>.\n"
+"Returns hash value in a channel variable. Always return 0\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int md5_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	struct localuser *u;
+	char *varname= NULL; /* Variable to set */
+	char *string = NULL; /* String to calculate on */
+	char retvar[50]; /* Return value */
+
+	if (!data) {
+		ast_log(LOG_WARNING, "Syntax: md5(<varname>=<string>) - missing argument!\n");
+		return -1;
+	}
+	LOCAL_USER_ADD(u);
+	memset(retvar,0, sizeof(retvar));
+	string = ast_strdupa(data);
+	varname = strsep(&string,"=");
+	if (ast_strlen_zero(varname)) {
+		ast_log(LOG_WARNING, "Syntax: md5(<varname>=<string>) - missing argument!\n");
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	}
+	ast_md5_hash(retvar, string);
+	pbx_builtin_setvar_helper(chan, varname, retvar);
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app_md5);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app_md5, md5_exec, synopsis, tdesc);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}