From: Jeffrey Altman <jaltman@mit.edu>
Date: Fri, 2 Apr 2004 12:12:01 +0000 (+0000)
Subject: restore-original-size-test-20040402
X-Git-Tag: openafs-devel-1_3_63~19
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=4c6238b3d9a18bc5ac0bb0ebde1dc2d47f7cdb22;p=packages%2Fo%2Fopenafs.git

restore-original-size-test-20040402


feeling like an idiot.  the original test compared the size of the
ticket field in the ktc_token struct allocated by the app which might
be smaller than the size of the field defined in the library
---

diff --git a/src/auth/ktc_nt.c b/src/auth/ktc_nt.c
index 67834d5b7..af070fa0b 100644
--- a/src/auth/ktc_nt.c
+++ b/src/auth/ktc_nt.c
@@ -538,8 +538,12 @@ ktc_GetToken(struct ktc_principal *server, struct ktc_token *token,
 
     /* user name is here */
 
-    /* check that ticket will fit */
-    if (MAXKTCTICKETLEN < ticketLen)
+    /* check that ticket will fit 
+	 * this compares the size of the ktc_token allocated by the app
+	 * which might be smaller than the current definition of MAXKTCTICKETLEN
+	 */
+	maxLen = tokenLen - sizeof(struct ktc_token) + MAXKTCTICKETLEN;
+	if (maxLen < ticketLen)
 		return KTC_TOOBIG;
 
     /* set return values */