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ws2_32: Manage shorter length for IPV6_DONTFRAG. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2022-03-10 12:40:57 +03:00 committed by Alexandre Julliard
parent ab8b7ed549
commit 320f48b08b
2 changed files with 14 additions and 1 deletions
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14
dlls/ws2_32/socket.c
View File

@ -1810,6 +1810,12 @@ int WINAPI getsockopt( SOCKET s, int level, int optname, char *optval, int *optl
switch(optname)
{
case IPV6_DONTFRAG:
if (*optlen < 1 || !optval)
{
SetLastError( WSAEFAULT );
return SOCKET_ERROR;
}
if (*optlen < sizeof(DWORD)) *optlen = 1;
return server_getsockopt( s, IOCTL_AFD_WINE_GET_IPV6_DONTFRAG, optval, optlen );
case IPV6_HOPLIMIT:
@ -3161,7 +3167,13 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_ADD_MEMBERSHIP, optval, optlen );
case IPV6_DONTFRAG:
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_DONTFRAG, optval, optlen );
if (!optlen || !optval)
{
SetLastError( WSAEFAULT );
return SOCKET_ERROR;
}
memcpy( &value, optval, min( optlen, sizeof(value) ));
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_DONTFRAG, (char *)&value, sizeof(value) );
case IPV6_DROP_MEMBERSHIP:
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_DROP_MEMBERSHIP, optval, optlen );

1
dlls/ws2_32/tests/sock.c
View File

@ -1189,6 +1189,7 @@ static void test_set_getsockopt(void)
{AF_INET, SOCK_DGRAM, IPPROTO_IP, IP_RECVTTL, FALSE, {0, 0, 4}, {0}, TRUE, TRUE},
{AF_INET, SOCK_DGRAM, IPPROTO_IP, IP_TOS, TRUE, {1, 1, 4}, {0}, FALSE},
{AF_INET, SOCK_DGRAM, IPPROTO_IP, IP_TTL, TRUE, {1, 1, 4}, {0}, FALSE},
{AF_INET6, SOCK_STREAM, IPPROTO_IPV6, IPV6_DONTFRAG, TRUE, {1, 1, 4}, {0}, TRUE, TRUE},
};
SOCKET s, s2;
int i, j, err, lasterr;