X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/85b87bc2af652a81dbb7f12fe0a030f0abdeac4c..44bbabb570db6e700a31469a0faf2ac27bf3bfe0:/src/src/auths/auth-spa.c

diff --git a/src/src/auths/auth-spa.c b/src/src/auths/auth-spa.c
index bd7fd41ed..87e5f4e8f 100644
--- a/src/src/auths/auth-spa.c
+++ b/src/src/auths/auth-spa.c
@@ -1,5 +1,3 @@
-/* $Cambridge: exim/src/src/auths/auth-spa.c,v 1.2 2004/12/29 10:55:58 ph10 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
@@ -85,6 +83,13 @@ int main (int argc, char ** argv)
 
        challenge_str = argv [3];
 
+       if (spa_base64_to_bits ((char *)&challenge, sizeof(challenge),
+                (const char *)(challenge_str))<0)
+       {
+                printf("bad base64 data in challenge: %s\n", challenge_str);
+                exit (1);
+       }
+
        spa_build_auth_response (&challenge, &response, username, password);
        spa_bits_to_base64 (msgbuf, (unsigned char*)&response,
                spa_request_length(&response));