diff options
Diffstat (limited to 'winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c')
| -rw-r--r-- | winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c b/winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c index 881a743..b270947 100644 --- a/winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c +++ b/winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c @@ -124,7 +124,6 @@ static INLINE BOOL ntlm_av_pair_get_id(const NTLM_AV_PAIR* pAvPair, size_t size, ULONG ntlm_av_pair_list_length(NTLM_AV_PAIR* pAvPairList, size_t cbAvPairList) { - size_t size = 0; size_t cbAvPair = 0; NTLM_AV_PAIR* pAvPair = NULL; @@ -132,8 +131,12 @@ ULONG ntlm_av_pair_list_length(NTLM_AV_PAIR* pAvPairList, size_t cbAvPairList) if (!pAvPair) return 0; - size = ((PBYTE)pAvPair - (PBYTE)pAvPairList) + sizeof(NTLM_AV_PAIR); + if (pAvPair < pAvPairList) + return 0; + + const size_t size = ((PBYTE)pAvPair - (PBYTE)pAvPairList) + sizeof(NTLM_AV_PAIR); WINPR_ASSERT(size <= ULONG_MAX); + WINPR_ASSERT(size >= 0); return (ULONG)size; } |