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wldap32: Cyrus SASL's sasl_interact_t.result should be null-terminated. 

Sometimes AD authentication fails as LDAP packets have garbage
characters trailing the username. Reading its source code confirms
that Cyrus SASL often completely ignores the sasl_interact_t.len field,
and expects sasl_interact_t.result to be null-terminated.

Signed-off-by: Damjan Jovanovic <damjan.jov@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Damjan Jovanovic 2021-02-05 09:37:28 +02:00 committed by Alexandre Julliard
parent d457a986de
commit a4199fa255
1 changed files with 4 additions and 2 deletions
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6
dlls/wldap32/wldap32.h
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@ -100,9 +100,10 @@ static inline LPWSTR strnAtoW( LPCSTR str, DWORD inlen, DWORD *outlen )
if (str)
{
DWORD len = MultiByteToWideChar( CP_ACP, 0, str, inlen, NULL, 0 );
if ((ret = heap_alloc( len * sizeof(WCHAR) )))
if ((ret = heap_alloc( (len+1) * sizeof(WCHAR) )))
{
MultiByteToWideChar( CP_ACP, 0, str, inlen, ret, len );
ret[len] = 0;
*outlen = len;
}
}
@ -116,9 +117,10 @@ static inline char *strnWtoU( LPCWSTR str, DWORD inlen, DWORD *outlen )
if (str)
{
DWORD len = WideCharToMultiByte( CP_UTF8, 0, str, inlen, NULL, 0, NULL, NULL );
if ((ret = heap_alloc( len )))
if ((ret = heap_alloc( len + 1 )))
{
WideCharToMultiByte( CP_UTF8, 0, str, inlen, ret, len, NULL, NULL );
ret[len] = 0;
*outlen = len;
}
}