X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/18eacc1185bea956bd9c793ab34e582c08941799..HEAD:/src/src/auths/auth-spa.h

diff --git a/src/src/auths/auth-spa.h b/src/src/auths/auth-spa.h
index 64874ca66..b7f3c5017 100644
--- a/src/src/auths/auth-spa.h
+++ b/src/src/auths/auth-spa.h
@@ -9,6 +9,7 @@
  * All the code used here was torn by Marc Prud'hommeaux out of the
  * Samba project (by Andrew Tridgell, Jeremy Allison, and others).
  */
+/* Copyright (c) The Exim Maintainers 2023 */
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* December 2004: The spa_base64_to_bits() function has no length checking in
@@ -36,6 +37,12 @@ typedef struct
        uint32x         offset;
 } SPAStrHeader;
 
+typedef struct
+{
+	uint8x	buffer[1024];
+	uint32x	bufIndex;
+} SPAbuf;
+
 typedef struct
 {
        char         ident[8];
@@ -45,8 +52,7 @@ typedef struct
        uint8x         challengeData[8];
        uint8x         reserved[8];
        SPAStrHeader    emptyString;
-       uint8x         buffer[1024];
-       uint32x         bufIndex;
+       SPAbuf		buf;
 } SPAAuthChallenge;
 
 
@@ -57,8 +63,7 @@ typedef struct
        uint32x         flags;
        SPAStrHeader    user;
        SPAStrHeader    domain;
-       uint8x         buffer[1024];
-       uint32x         bufIndex;
+       SPAbuf		buf;
 } SPAAuthRequest;
 
 typedef struct
@@ -72,11 +77,10 @@ typedef struct
        SPAStrHeader    uWks;
        SPAStrHeader    sessionKey;
        uint32x         flags;
-       uint8x         buffer[1024];
-       uint32x         bufIndex;
+       SPAbuf		buf;
 } SPAAuthResponse;
 
-#define spa_request_length(ptr) (((ptr)->buffer - (uint8x*)(ptr)) + (ptr)->bufIndex)
+#define spa_request_length(ptr) (((uint8x*)&(ptr)->buf - (uint8x*)(ptr)) + (ptr)->buf.bufIndex)
 
 void spa_bits_to_base64 (unsigned char *, const unsigned char *, int);
 int spa_base64_to_bits(char *, int, const char *);