--- a/src/lib/base64.c	Mon Aug 06 19:45:01 2007 +0300
+++ b/src/lib/base64.c	Mon Aug 06 20:49:06 2007 +0300
@@ -170,3 +170,14 @@
 
 	return ret;
 }
+
+buffer_t *t_base64_decode_str(const char *str)
+{
+	buffer_t *buf;
+	size_t len = strlen(str);
+
+	buf = buffer_create_dynamic(pool_datastack_create(),
+				    MAX_BASE64_DECODED_SIZE(len));
+	(void)base64_decode(str, len, NULL, buf);
+	return buf;
+}

--- a/src/lib/base64.h	Mon Aug 06 19:45:01 2007 +0300
+++ b/src/lib/base64.h	Mon Aug 06 20:49:06 2007 +0300
@@ -17,6 +17,9 @@
 int base64_decode(const void *src, size_t src_size,
 		  size_t *src_pos_r, buffer_t *dest);
 
+/* Decode given string to a buffer allocated from data stack. */
+buffer_t *t_base64_decode_str(const char *str);
+
 /* max. buffer size required for base64_encode() */
 #define MAX_BASE64_ENCODED_SIZE(size) \
 	((size) / 3 * 4 + 2+2)