Signed-off-by: Paul Gofman pgofman@codeweavers.com --- dlls/ws2_32/socket.c | 14 +++++++++++++- dlls/ws2_32/tests/sock.c | 1 + 2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c index a9e0898e2d7..f4e2f8f172c 100644 --- a/dlls/ws2_32/socket.c +++ b/dlls/ws2_32/socket.c @@ -1828,6 +1828,12 @@ int WINAPI getsockopt( SOCKET s, int level, int optname, char *optval, int *optl return server_getsockopt( s, IOCTL_AFD_WINE_GET_IPV6_RECVHOPLIMIT, optval, optlen );
case IPV6_MULTICAST_HOPS: + if (*optlen < 1 || !optval) + { + SetLastError( WSAEFAULT ); + return SOCKET_ERROR; + } + if (*optlen < sizeof(DWORD)) *optlen = 1; return server_getsockopt( s, IOCTL_AFD_WINE_GET_IPV6_MULTICAST_HOPS, optval, optlen );
case IPV6_MULTICAST_IF: @@ -3193,7 +3199,13 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_RECVHOPLIMIT, optval, optlen );
case IPV6_MULTICAST_HOPS: - return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_MULTICAST_HOPS, 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_MULTICAST_HOPS, (char *)&value, sizeof(value) );
case IPV6_MULTICAST_IF: return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_MULTICAST_IF, optval, optlen ); diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c index 66bd5452046..001cfc0e98e 100644 --- a/dlls/ws2_32/tests/sock.c +++ b/dlls/ws2_32/tests/sock.c @@ -1191,6 +1191,7 @@ static void test_set_getsockopt(void) {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}, {AF_INET6, SOCK_DGRAM, IPPROTO_IPV6, IPV6_HOPLIMIT, FALSE, {0, 0, 4}, {0}, TRUE, TRUE}, + {AF_INET6, SOCK_DGRAM, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, TRUE, {1, 1, 4}, {0}, FALSE}, }; SOCKET s, s2; int i, j, err, lasterr;