Auths: fix cyrus-sasl driver for gssapi use. Bug 2524

[exim.git] / src / src / auths / get_data.c

diff --git a/src/src/auths/get_data.c b/src/src/auths/get_data.c
index 8a05a82e4481922e8076dc285483e667b217d699..7475588ba7fb22390c0ac5c1e848cdba14553551 100644 (file)
--- a/src/src/auths/get_data.c
+++ b/src/src/auths/get_data.c
@@ -53,13 +53,13 @@ return OK;
 *      Issue a challenge and get a response      *
 *************************************************/
 
-/* This function is used by authentication drivers to output a challenge
-to the SMTP client and read the response line.
+/* This function is used by authentication drivers to b64-encode and
+output a challenge to the SMTP client, and read the response line.
 
 Arguments:
    aptr       set to point to the response (which is in big_buffer)
-   challenge  the challenge text (unencoded, may be binary)
-   challen    the length of the challenge text
+   challenge  the challenge data (unencoded, may be binary)
+   challen    the length of the challenge data, in bytes
 
 Returns:      OK on success
               BAD64 if response too large for buffer