[PATCH 3/6] ws2_32: Manage shorter length for IPV6_PKTINFO.
Paul Gofman
pgofman at codeweavers.com
Fri Mar 11 04:29:50 CST 2022
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
dlls/ws2_32/socket.c | 11 +++++++++++
dlls/ws2_32/tests/sock.c | 1 +
2 files changed, 12 insertions(+)
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 07f9d5b3d3d..06b489ffd52 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -1860,6 +1860,12 @@ int WINAPI getsockopt( SOCKET s, int level, int optname, char *optval, int *optl
return 0;
case IPV6_PKTINFO:
+ if (*optlen < sizeof(DWORD) || !optval)
+ {
+ *optlen = 0;
+ SetLastError( WSAEFAULT );
+ return SOCKET_ERROR;
+ }
return server_getsockopt( s, IOCTL_AFD_WINE_GET_IPV6_RECVPKTINFO, optval, optlen );
case IPV6_RECVTCLASS:
@@ -3227,6 +3233,11 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_MULTICAST_LOOP, (char *)&value, sizeof(value) );
case IPV6_PKTINFO:
+ if (optlen < sizeof(DWORD) || !optval)
+ {
+ SetLastError( WSAEFAULT );
+ return SOCKET_ERROR;
+ }
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_RECVPKTINFO, optval, optlen );
case IPV6_PROTECTION_LEVEL:
diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c
index 3f01c54c307..f58e86869f0 100644
--- a/dlls/ws2_32/tests/sock.c
+++ b/dlls/ws2_32/tests/sock.c
@@ -1193,6 +1193,7 @@ static void test_set_getsockopt(void)
{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},
{AF_INET6, SOCK_DGRAM, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, TRUE, {1, 1, 4}, {0}, TRUE, TRUE},
+ {AF_INET6, SOCK_DGRAM, IPPROTO_IPV6, IPV6_PKTINFO, FALSE, {0, 0, 4}, {0}, TRUE, TRUE},
};
SOCKET s, s2;
int i, j, err, lasterr;
--
2.35.1
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