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ws2_32: Add a helper to get socket type.

This commit is contained in:
Bruno Jesus 2015-06-18 11:03:08 -03:00 committed by Alexandre Julliard
parent 9d7d27ea7f
commit 9d558c5c5f
1 changed files with 17 additions and 10 deletions
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27
dlls/ws2_32/socket.c
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@ -1096,6 +1096,14 @@ static int _get_sock_error(SOCKET s, unsigned int bit)
return events[bit];
}
static int _get_fd_type(int fd)
{
int sock_type = -1;
socklen_t optlen = sizeof(sock_type);
getsockopt(fd, SOL_SOCKET, SO_TYPE, (char*) &sock_type, &optlen);
return sock_type;
}
static struct per_thread_data *get_per_thread_data(void)
{
struct per_thread_data * ptb = NtCurrentTeb()->WinSockData;
@ -2778,8 +2786,6 @@ static int WINAPI WS2_WSARecvMsg( SOCKET s, LPWSAMSG msg, LPDWORD lpNumberOfByte
static BOOL interface_bind( SOCKET s, int fd, struct sockaddr *addr )
{
struct sockaddr_in *in_sock = (struct sockaddr_in *) addr;
unsigned int sock_type = 0;
socklen_t optlen = sizeof(sock_type);
in_addr_t bind_addr = in_sock->sin_addr.s_addr;
PIP_ADAPTER_INFO adapters = NULL, adapter;
BOOL ret = FALSE;
@ -2788,7 +2794,7 @@ static BOOL interface_bind( SOCKET s, int fd, struct sockaddr *addr )
if (bind_addr == htonl(INADDR_ANY) || bind_addr == htonl(INADDR_LOOPBACK))
return FALSE; /* Not binding to a network adapter, special interface binding unnecessary. */
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, &sock_type, &optlen) == -1 || sock_type != SOCK_DGRAM)
if (_get_fd_type(fd) != SOCK_DGRAM)
return FALSE; /* Special interface binding is only necessary for UDP datagrams. */
if (GetAdaptersInfo(NULL, &adap_size) != ERROR_BUFFER_OVERFLOW)
goto cleanup;
@ -3231,12 +3237,12 @@ static void interface_bind_check(int fd, struct sockaddr_in *addr)
return;
#else
int ifindex;
socklen_t len = sizeof(ifindex);
socklen_t len;
/* Check for IPv4, address 0.0.0.0 and UDP socket */
if (addr->sin_family != AF_INET || addr->sin_addr.s_addr != 0)
return;
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, &ifindex, &len) || ifindex != SOCK_DGRAM)
if (_get_fd_type(fd) != SOCK_DGRAM)
return;
ifindex = -1;
@ -3547,8 +3553,7 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
case WS_SO_LINGER:
{
struct linger lingval;
int so_type;
socklen_t len = sizeof(struct linger), slen = sizeof(int);
socklen_t len = sizeof(struct linger);
/* struct linger and LINGER have different sizes */
if (!optlen || *optlen < sizeof(LINGER) || !optval)
@ -3559,7 +3564,7 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
if ( (fd = get_sock_fd( s, 0, NULL )) == -1)
return SOCKET_ERROR;
if ((getsockopt(fd, SOL_SOCKET, SO_TYPE, &so_type, &slen) == 0 && so_type == SOCK_DGRAM))
if (_get_fd_type(fd) == SOCK_DGRAM)
{
SetLastError(WSAENOPROTOOPT);
ret = SOCKET_ERROR;
@ -3643,6 +3648,7 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
}
case WS_SO_TYPE:
{
int sock_type;
if (!optlen || *optlen < sizeof(int) || !optval)
{
SetLastError(WSAEFAULT);
@ -3651,13 +3657,14 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
if ( (fd = get_sock_fd( s, 0, NULL )) == -1)
return SOCKET_ERROR;
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, optval, (socklen_t *)optlen) != 0 )
sock_type = _get_fd_type(fd);
if (sock_type == -1)
{
SetLastError(wsaErrno());
ret = SOCKET_ERROR;
}
else
(*(int *)optval) = convert_socktype_u2w(*(int *)optval);
(*(int *)optval) = convert_socktype_u2w(sock_type);
release_sock_fd( s, fd );
return ret;