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(gssapi_krb5_verify_8003_checksum): handle zero channel bindings

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10878 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2002-03-10 23:47:39 +00:00
parent 3eb4db9dde
commit c11e13db09
2 changed files with 8 additions and 4 deletions
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6
lib/gssapi/8003.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 1997 - 2001 Kungliga Tekniska H<>gskolan
* Copyright (c) 1997 - 2002 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -169,6 +169,7 @@ gssapi_krb5_verify_8003_checksum(
unsigned char *p;
OM_uint32 length;
int DlgOpt;
static unsigned char zeros[16];
/* XXX should handle checksums > 24 bytes */
if(cksum->cksumtype != 0x8003) {
@@ -185,7 +186,8 @@ gssapi_krb5_verify_8003_checksum(
p += 4;
if (input_chan_bindings != GSS_C_NO_CHANNEL_BINDINGS) {
if (input_chan_bindings != GSS_C_NO_CHANNEL_BINDINGS
&& memcmp(p, zeros, sizeof(zeros)) != 0) {
if(hash_input_chan_bindings(input_chan_bindings, hash) != 0) {
*minor_status = 0;
return GSS_S_BAD_BINDINGS;

6
lib/gssapi/krb5/8003.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 1997 - 2001 Kungliga Tekniska H<>gskolan
* Copyright (c) 1997 - 2002 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -169,6 +169,7 @@ gssapi_krb5_verify_8003_checksum(
unsigned char *p;
OM_uint32 length;
int DlgOpt;
static unsigned char zeros[16];
/* XXX should handle checksums > 24 bytes */
if(cksum->cksumtype != 0x8003) {
@@ -185,7 +186,8 @@ gssapi_krb5_verify_8003_checksum(
p += 4;
if (input_chan_bindings != GSS_C_NO_CHANNEL_BINDINGS) {
if (input_chan_bindings != GSS_C_NO_CHANNEL_BINDINGS
&& memcmp(p, zeros, sizeof(zeros)) != 0) {
if(hash_input_chan_bindings(input_chan_bindings, hash) != 0) {
*minor_status = 0;
return GSS_S_BAD_BINDINGS;