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ws2_32: Fix the default behavior of IPV6_V6ONLY.

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Signed-off-by: Roman Pišl <rpisl@seznam.cz>
Signed-off-by: Bruno Jesus <00cpxxx@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Roman Pišl 2016-10-29 22:26:43 -02:00 committed by Alexandre Julliard
parent d787f0d9c6
commit 96eb36e4bb
2 changed files with 88 additions and 32 deletions
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29
dlls/ws2_32/socket.c
View File

@ -3240,20 +3240,6 @@ int WINAPI WS_bind(SOCKET s, const struct WS_sockaddr* name, int namelen)
}
else
{
#ifdef IPV6_V6ONLY
const struct sockaddr_in6 *in6 = (const struct sockaddr_in6*) &uaddr;
if (name->sa_family == WS_AF_INET6 &&
!memcmp(&in6->sin6_addr, &in6addr_any, sizeof(struct in6_addr)))
{
int enable = 1;
if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &enable, sizeof(enable)) == -1)
{
release_sock_fd( s, fd );
SetLastError(WSAEAFNOSUPPORT);
return SOCKET_ERROR;
}
}
#endif
if (name->sa_family == WS_AF_INET)
{
struct sockaddr_in *in4 = (struct sockaddr_in*) &uaddr;
@ -7241,6 +7227,21 @@ SOCKET WINAPI WSASocketW(int af, int type, int protocol,
TRACE("\tcreated %04lx\n", ret );
if (ipxptype > 0)
set_ipx_packettype(ret, ipxptype);
#ifdef IPV6_V6ONLY
if (unixaf == AF_INET6)
{
int fd = get_sock_fd(ret, 0, NULL);
if (fd != -1)
{
/* IPV6_V6ONLY is set by default on Windows */
int enable = 1;
if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &enable, sizeof(enable)))
WARN("\tsetting IPV6_V6ONLY failed - errno = %i\n", errno);
release_sock_fd(ret, fd);
}
}
#endif
return ret;
}

91
dlls/ws2_32/tests/sock.c
View File

@ -1732,7 +1732,7 @@ static void test_so_reuseaddr(void)
DWORD err;
saddr.sin_family = AF_INET;
saddr.sin_port = htons(9375);
saddr.sin_port = htons(SERVERPORT+1);
saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
s1=socket(AF_INET, SOCK_STREAM, 0);
@ -6105,11 +6105,10 @@ end:
static void test_ipv6only(void)
{
SOCKET v4 = INVALID_SOCKET,
v6 = INVALID_SOCKET;
SOCKET v4 = INVALID_SOCKET, v6;
struct sockaddr_in sin4;
struct sockaddr_in6 sin6;
int ret;
int ret, enabled, len = sizeof(enabled);
memset(&sin4, 0, sizeof(sin4));
sin4.sin_family = AF_INET;
@ -6120,27 +6119,83 @@ static void test_ipv6only(void)
sin6.sin6_port = htons(SERVERPORT);
v6 = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
if (v6 == INVALID_SOCKET) {
skip("Could not create IPv6 socket (LastError: %d; %d expected if IPv6 not available).\n",
WSAGetLastError(), WSAEAFNOSUPPORT);
if (v6 == INVALID_SOCKET)
{
skip("Could not create IPv6 socket (LastError: %d)\n", WSAGetLastError());
goto end;
}
enabled = 2;
ret = getsockopt(v6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&enabled, &len);
ok(!ret, "getsockopt(IPV6_ONLY) failed (LastError: %d)\n", WSAGetLastError());
ok(enabled == 1, "expected 1, got %d\n", enabled);
ret = bind(v6, (struct sockaddr*)&sin6, sizeof(sin6));
if (ret) {
skip("Could not bind IPv6 address (LastError: %d).\n",
WSAGetLastError());
if (ret)
{
skip("Could not bind IPv6 address (LastError: %d)\n", WSAGetLastError());
goto end;
}
v4 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (v4 == INVALID_SOCKET) {
skip("Could not create IPv4 socket (LastError: %d).\n",
WSAGetLastError());
goto end;
}
ok(v4 != INVALID_SOCKET, "Could not create IPv6 socket (LastError: %d)\n", WSAGetLastError());
/* bind on IPv4 socket should succeed - IPV6_V6ONLY is enabled by default */
ret = bind(v4, (struct sockaddr*)&sin4, sizeof(sin4));
ok(!ret, "Could not bind IPv4 address (LastError: %d; %d expected if IPv6 binds to IPv4 as well).\n",
WSAGetLastError(), WSAEADDRINUSE);
ok(!ret, "Could not bind IPv4 address (LastError: %d)\n", WSAGetLastError());
closesocket(v4);
closesocket(v6);
/* Test again, this time disabling IPV6_V6ONLY. */
sin4.sin_port = htons(SERVERPORT+2);
sin6.sin6_port = htons(SERVERPORT+2);
v6 = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
ok(v6 != INVALID_SOCKET, "Could not create IPv6 socket (LastError: %d; %d expected if IPv6 not available).\n",
WSAGetLastError(), WSAEAFNOSUPPORT);
enabled = 0;
ret = setsockopt(v6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&enabled, len);
ok(!ret, "Could not disable IPV6_V6ONLY (LastError: %d).\n", WSAGetLastError());
enabled = 2;
ret = getsockopt(v6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&enabled, &len);
ok(!ret, "getsockopt(IPV6_ONLY) failed (LastError: %d)\n", WSAGetLastError());
ok(!enabled, "expected 0, got %d\n", enabled);
/*
Observaition:
On Windows, bind on both IPv4 and IPv6 with IPV6_V6ONLY disabled succeeds by default.
Application must set SO_EXCLUSIVEADDRUSE on first socket to disallow another successful bind.
In general, a standard application should not use SO_REUSEADDR.
Setting both SO_EXCLUSIVEADDRUSE and SO_REUSEADDR on the same socket is not possible in
either order, the later setsockopt call always fails.
*/
enabled = 1;
ret = setsockopt(v6, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, (char*)&enabled, len);
ok(!ret, "Could not set SO_EXCLUSIVEADDRUSE on IPv6 socket (LastError: %d)\n", WSAGetLastError());
ret = bind(v6, (struct sockaddr*)&sin6, sizeof(sin6));
ok(!ret, "Could not bind IPv6 address (LastError: %d)\n", WSAGetLastError());
enabled = 2;
len = sizeof(enabled);
getsockopt(v6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&enabled, &len);
ok(!ret, "getsockopt(IPV6_ONLY) failed (LastError: %d)\n", WSAGetLastError());
ok(!enabled, "IPV6_V6ONLY is enabled after bind\n");
v4 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
ok(v4 != INVALID_SOCKET, "Could not create IPv4 socket (LastError: %d)\n", WSAGetLastError());
enabled = 1;
ret = setsockopt(v4, SOL_SOCKET, SO_REUSEADDR, (char*)&enabled, len);
ok(!ret, "Could not set SO_REUSEADDR on IPv4 socket (LastError: %d)\n", WSAGetLastError());
WSASetLastError(0xdeadbeef);
ret = bind(v4, (struct sockaddr*)&sin4, sizeof(sin4));
ok(ret, "bind succeeded unexpectedly for the IPv4 socket\n");
ok(WSAGetLastError() == WSAEACCES, "Expected 10013, got %d\n", WSAGetLastError());
end:
if (v4 != INVALID_SOCKET)
@ -8024,7 +8079,7 @@ static void test_TransmitFile(void)
/* Setup a properly connected socket for transfers */
memset(&bindAddress, 0, sizeof(bindAddress));
bindAddress.sin_family = AF_INET;
bindAddress.sin_port = htons(9375);
bindAddress.sin_port = htons(SERVERPORT+1);
bindAddress.sin_addr.s_addr = inet_addr("127.0.0.1");
iret = bind(server, (struct sockaddr*)&bindAddress, sizeof(bindAddress));
if (iret != 0)