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newlib-cygwin/winsup/cygwin/net.cc

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import winsup-2000-02-17 snapshot
2000-02-18 03:38:33 +08:00
/* net.cc: network-related routines.
Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* #define DEBUG_NEST_ON 1 */
#define __INSIDE_CYGWIN_NET__
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#define Win32_Winsock
#include "winsup.h"
#include <netdb.h>
#include <fcntl.h>
#include <unistd.h>
#include "autoload.h"
#include <winsock.h>
/* We only want to initialize WinSock in a child process if socket
handles are inheritted. This global allows us to know whether this
should be done or not */
int number_of_sockets = 0;
extern "C"
{
int h_errno;
int __stdcall rcmd (char **ahost, unsigned short inport, char *locuser,
char *remuser, char *cmd, SOCKET *fd2p);
int __stdcall rexec (char **ahost, unsigned short inport, char *locuser,
char *password, char *cmd, SOCKET *fd2p);
int __stdcall rresvport (int *);
int sscanf (const char *, const char *, ...);
} /* End of "C" section */
/* Cygwin internal */
static SOCKET
duplicate_socket (SOCKET sock)
{
/* Do not duplicate socket on Windows NT because of problems with
MS winsock proxy server.
*/
if (os_being_run == winNT)
return sock;
SOCKET newsock;
if (DuplicateHandle (hMainProc, (HANDLE) sock, hMainProc, (HANDLE *) &newsock,
0, TRUE, DUPLICATE_SAME_ACCESS))
{
closesocket (sock);
sock = newsock;
}
else
small_printf ("DuplicateHandle failed %E");
return sock;
}
/* htonl: standards? */
extern "C"
unsigned long int
htonl (unsigned long int x)
{
MARK ();
return ((((x & 0x000000ffU) << 24) |
((x & 0x0000ff00U) << 8) |
((x & 0x00ff0000U) >> 8) |
((x & 0xff000000U) >> 24)));
}
/* ntohl: standards? */
extern "C"
unsigned long int
ntohl (unsigned long int x)
{
return htonl (x);
}
/* htons: standards? */
extern "C"
unsigned short
htons (unsigned short x)
{
MARK ();
return ((((x & 0x000000ffU) << 8) |
((x & 0x0000ff00U) >> 8)));
}
/* ntohs: standards? */
extern "C"
unsigned short
ntohs (unsigned short x)
{
return htons (x);
}
/* Cygwin internal */
static void
dump_protoent (struct protoent *p)
{
if (p)
debug_printf ("protoent %s %x %x", p->p_name, p->p_aliases, p->p_proto);
}
/* exported as inet_ntoa: standards? */
extern "C"
char *
cygwin_inet_ntoa (struct in_addr in)
{
char *res = inet_ntoa (in);
return res;
}
/* exported as inet_addr: standards? */
extern "C"
unsigned long
cygwin_inet_addr (const char *cp)
{
unsigned long res = inet_addr (cp);
return res;
}
/* inet_netof is in the standard BSD sockets library. It is useless
for modern networks, since it assumes network values which are no
longer meaningful, but some existing code calls it. */
extern "C"
unsigned long
inet_netof (struct in_addr in)
{
unsigned long i, res;
i = ntohl (in.s_addr);
if (IN_CLASSA (i))
res = (i & IN_CLASSA_NET) >> IN_CLASSA_NSHIFT;
else if (IN_CLASSB (i))
res = (i & IN_CLASSB_NET) >> IN_CLASSB_NSHIFT;
else
res = (i & IN_CLASSC_NET) >> IN_CLASSC_NSHIFT;
return res;
}
/* inet_makeaddr is in the standard BSD sockets library. It is
useless for modern networks, since it assumes network values which
are no longer meaningful, but some existing code calls it. */
extern "C"
struct in_addr
inet_makeaddr (int net, int lna)
{
unsigned long i;
struct in_addr in;
if (net < IN_CLASSA_MAX)
i = (net << IN_CLASSA_NSHIFT) | (lna & IN_CLASSA_HOST);
else if (net < IN_CLASSB_MAX)
i = (net << IN_CLASSB_NSHIFT) | (lna & IN_CLASSB_HOST);
else if (net < 0x1000000)
i = (net << IN_CLASSC_NSHIFT) | (lna & IN_CLASSC_HOST);
else
i = net | lna;
in.s_addr = htonl (i);
return in;
}
struct tl
{
int w;
const char *s;
int e;
};
static struct tl errmap[] =
{
{WSAEWOULDBLOCK, "WSAEWOULDBLOCK", EWOULDBLOCK},
{WSAEINPROGRESS, "WSAEINPROGRESS", EINPROGRESS},
{WSAEALREADY, "WSAEALREADY", EALREADY},
{WSAENOTSOCK, "WSAENOTSOCK", ENOTSOCK},
{WSAEDESTADDRREQ, "WSAEDESTADDRREQ", EDESTADDRREQ},
{WSAEMSGSIZE, "WSAEMSGSIZE", EMSGSIZE},
{WSAEPROTOTYPE, "WSAEPROTOTYPE", EPROTOTYPE},
{WSAENOPROTOOPT, "WSAENOPROTOOPT", ENOPROTOOPT},
{WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT", EPROTONOSUPPORT},
{WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT", ESOCKTNOSUPPORT},
{WSAEOPNOTSUPP, "WSAEOPNOTSUPP", EOPNOTSUPP},
{WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT", EPFNOSUPPORT},
{WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT", EAFNOSUPPORT},
{WSAEADDRINUSE, "WSAEADDRINUSE", EADDRINUSE},
{WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL", EADDRNOTAVAIL},
{WSAENETDOWN, "WSAENETDOWN", ENETDOWN},
{WSAENETUNREACH, "WSAENETUNREACH", ENETUNREACH},
{WSAENETRESET, "WSAENETRESET", ENETRESET},
{WSAECONNABORTED, "WSAECONNABORTED", ECONNABORTED},
{WSAECONNRESET, "WSAECONNRESET", ECONNRESET},
{WSAENOBUFS, "WSAENOBUFS", ENOBUFS},
{WSAEISCONN, "WSAEISCONN", EISCONN},
{WSAENOTCONN, "WSAENOTCONN", ENOTCONN},
{WSAESHUTDOWN, "WSAESHUTDOWN", ESHUTDOWN},
{WSAETOOMANYREFS, "WSAETOOMANYREFS", ETOOMANYREFS},
{WSAETIMEDOUT, "WSAETIMEDOUT", ETIMEDOUT},
{WSAECONNREFUSED, "WSAECONNREFUSED", ECONNREFUSED},
{WSAELOOP, "WSAELOOP", ELOOP},
{WSAENAMETOOLONG, "WSAENAMETOOLONG", ENAMETOOLONG},
{WSAEHOSTDOWN, "WSAEHOSTDOWN", EHOSTDOWN},
{WSAEHOSTUNREACH, "WSAEHOSTUNREACH", EHOSTUNREACH},
{WSAENOTEMPTY, "WSAENOTEMPTY", ENOTEMPTY},
{WSAEPROCLIM, "WSAEPROCLIM", EPROCLIM},
{WSAEUSERS, "WSAEUSERS", EUSERS},
{WSAEDQUOT, "WSAEDQUOT", EDQUOT},
{WSAESTALE, "WSAESTALE", ESTALE},
{WSAEREMOTE, "WSAEREMOTE", EREMOTE},
{WSAEINVAL, "WSAEINVAL", EINVAL},
{WSAEFAULT, "WSAEFAULT", EFAULT},
Respond to more g++ warnings relating to initializing structures.
2000-02-23 12:07:13 +08:00
{0, NULL, 0}
import winsup-2000-02-17 snapshot
2000-02-18 03:38:33 +08:00
};
/* Cygwin internal */
void
set_winsock_errno ()
{
int i;
int why = WSAGetLastError ();
for (i = 0; errmap[i].w != 0; ++i)
if (why == errmap[i].w)
break;
if (errmap[i].w != 0)
{
syscall_printf ("%d (%s) -> %d", why, errmap[i].s, errmap[i].e);
set_errno (errmap[i].e);
}
else
{
syscall_printf ("unknown error %d", why);
set_errno (EPERM);
}
}
static struct tl host_errmap[] =
{
{WSAHOST_NOT_FOUND, "WSAHOST_NOT_FOUND", HOST_NOT_FOUND},
{WSATRY_AGAIN, "WSATRY_AGAIN", TRY_AGAIN},
{WSANO_RECOVERY, "WSANO_RECOVERY", NO_RECOVERY},
{WSANO_DATA, "WSANO_DATA", NO_DATA},
Respond to more g++ warnings relating to initializing structures.
2000-02-23 12:07:13 +08:00
{0, NULL, 0}
import winsup-2000-02-17 snapshot
2000-02-18 03:38:33 +08:00
};
/* Cygwin internal */
static void
set_host_errno ()
{
int i;
int why = WSAGetLastError ();
for (i = 0; i < host_errmap[i].w != 0; ++i)
if (why == host_errmap[i].w)
break;
if (host_errmap[i].w != 0)
h_errno = host_errmap[i].e;
else
h_errno = NETDB_INTERNAL;
}
/* exported as getprotobyname: standards? */
extern "C"
struct protoent *
cygwin_getprotobyname (const char *p)
{
struct protoent *res = getprotobyname (p);
if (!res)
set_winsock_errno ();
dump_protoent (res);
return res;
}
/* exported as getprotobynumber: standards? */
extern "C"
struct protoent *
cygwin_getprotobynumber (int number)
{
struct protoent *res = getprotobynumber (number);
if (!res)
set_winsock_errno ();
dump_protoent (res);
return res;
}
void
fdsock (int fd, const char *name, SOCKET soc)
{
fhandler_base *fh = dtable.build_fhandler(fd, FH_SOCKET, name);
fh->set_io_handle ((HANDLE) soc);
fh->set_flags (O_RDWR);
}
/* exported as socket: standards? */
extern "C"
int
cygwin_socket (int af, int type, int protocol)
{
int res = -1;
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," socket");
SOCKET soc;
int fd = dtable.find_unused_handle ();
if (fd < 0)
{
set_errno (ENMFILE);
}
else
{
debug_printf ("socket (%d, %d, %d)", af, type, protocol);
soc = socket (AF_INET, type, 0);
if (soc == INVALID_SOCKET)
{
set_winsock_errno ();
goto done;
}
soc = duplicate_socket (soc);
const char *name;
if (af == AF_INET)
name = (type == SOCK_STREAM ? "/dev/tcp" : "/dev/udp");
else
name = (type == SOCK_STREAM ? "/dev/streamsocket" : "/dev/dgsocket");
fdsock (fd, name, soc);
res = fd;
fhandler_socket *h = (fhandler_socket *) dtable[fd];
h->set_addr_family (af);
}
done:
syscall_printf ("%d = socket (%d, %d, %d)", res, af, type, protocol);
ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," socket");
return res;
}
/* cygwin internal: map sockaddr into internet domain address */
static int get_inet_addr (const struct sockaddr *in, int inlen,
struct sockaddr_in *out, int *outlen)
{
if (in->sa_family == AF_INET)
{
*out = * (sockaddr_in *)in;
*outlen = inlen;
return 1;
}
else if (in->sa_family == AF_UNIX)
{
sockaddr_in sin;
char buf[32];
memset (buf, 0, sizeof buf);
int fd = open (in->sa_data, O_RDONLY);
if (fd == -1)
return 0;
if (read (fd, buf, sizeof buf) == -1)
return 0;
sin.sin_family = AF_INET;
sscanf (buf + strlen (SOCKET_COOKIE), "%hu", &sin.sin_port);
sin.sin_port = htons (sin.sin_port);
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
*out = sin;
*outlen = sizeof sin;
return 1;
}
else
{
set_errno (EAFNOSUPPORT);
return 0;
}
}
/* exported as sendto: standards? */
extern "C"
int
cygwin_sendto (int fd,
const void *buf,
int len,
unsigned int flags,
const struct sockaddr *to,
int tolen)
{
fhandler_socket *h = (fhandler_socket *) dtable[fd];
sockaddr_in sin;
if (get_inet_addr (to, tolen, &sin, &tolen) == 0)
return -1;
int res = sendto (h->get_socket (), (const char *) buf, len,
flags, to, tolen);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
res = -1;
}
return res;
}
/* exported as recvfrom: standards? */
extern "C"
int
cygwin_recvfrom (int fd,
char *buf,
int len,
int flags,
struct sockaddr *from,
int *fromlen)
{
fhandler_socket *h = (fhandler_socket *) dtable[fd];
debug_printf ("recvfrom %d", h->get_socket ());
int res = recvfrom (h->get_socket (), buf, len, flags, from, fromlen);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
res = -1;
}
return res;
}
/* Cygwin internal */
fhandler_socket *
get (int fd)
{
if (dtable.not_open (fd))
{
set_errno (EINVAL);
return 0;
}
return dtable[fd]->is_socket ();
}
/* exported as setsockopt: standards? */
extern "C"
int
cygwin_setsockopt (int fd,
int level,
int optname,
const void *optval,
int optlen)
{
fhandler_socket *h = get (fd);
int res = -1;
const char *name = "error";
if (h)
{
/* For the following debug_printf */
switch (optname)
{
case SO_DEBUG:
name="SO_DEBUG";
break;
case SO_ACCEPTCONN:
name="SO_ACCEPTCONN";
break;
case SO_REUSEADDR:
name="SO_REUSEADDR";
break;
case SO_KEEPALIVE:
name="SO_KEEPALIVE";
break;
case SO_DONTROUTE:
name="SO_DONTROUTE";
break;
case SO_BROADCAST:
name="SO_BROADCAST";
break;
case SO_USELOOPBACK:
name="SO_USELOOPBACK";
break;
case SO_LINGER:
name="SO_LINGER";
break;
case SO_OOBINLINE:
name="SO_OOBINLINE";
break;
}
res = setsockopt (h->get_socket (), level, optname,
(const char *) optval, optlen);
if (optlen == 4)
syscall_printf ("setsockopt optval=%x", *(long *) optval);
if (res)
set_winsock_errno ();
}
syscall_printf ("%d = setsockopt (%d, %d, %x (%s), %x, %d)",
res, fd, level, optname, name, optval, optlen);
return res;
}
/* exported as getsockopt: standards? */
extern "C"
int
cygwin_getsockopt (int fd,
int level,
int optname,
void *optval,
int *optlen)
{
fhandler_socket *h = get (fd);
int res = -1;
const char *name = "error";
if (h)
{
/* For the following debug_printf */
switch (optname)
{
case SO_DEBUG:
name="SO_DEBUG";
break;
case SO_ACCEPTCONN:
name="SO_ACCEPTCONN";
break;
case SO_REUSEADDR:
name="SO_REUSEADDR";
break;
case SO_KEEPALIVE:
name="SO_KEEPALIVE";
break;
case SO_DONTROUTE:
name="SO_DONTROUTE";
break;
case SO_BROADCAST:
name="SO_BROADCAST";
break;
case SO_USELOOPBACK:
name="SO_USELOOPBACK";
break;
case SO_LINGER:
name="SO_LINGER";
break;
case SO_OOBINLINE:
name="SO_OOBINLINE";
break;
}
res = getsockopt (h->get_socket (), level, optname,
(char *) optval, (int *) optlen);
if (res)
set_winsock_errno ();
}
syscall_printf ("%d = getsockopt (%d, %d, %x (%s), %x, %d)",
res, fd, level, optname, name, optval, optlen);
return res;
}
/* exported as connect: standards? */
extern "C"
int
cygwin_connect (int fd,
const struct sockaddr *name,
int namelen)
{
int res;
fhandler_socket *sock = get (fd);
sockaddr_in sin;
if (get_inet_addr (name, namelen, &sin, &namelen) == 0)
return -1;
if (!sock)
{
res = -1;
}
else
{
res = connect (sock->get_socket (), (sockaddr *) &sin, namelen);
if (res)
set_winsock_errno ();
}
return res;
}
/* exported as getservbyname: standards? */
extern "C"
struct servent *
cygwin_getservbyname (const char *name, const char *proto)
{
struct servent *p = getservbyname (name, proto);
if (!p)
set_winsock_errno ();
syscall_printf ("%x = getservbyname (%s, %s)", p, name, proto);
return p;
}
/* exported as getservbyport: standards? */
extern "C"
struct servent *
cygwin_getservbyport (int port, const char *proto)
{
struct servent *p = getservbyport (port, proto);
if (!p)
set_winsock_errno ();
syscall_printf ("%x = getservbyport (%d, %s)", p, port, proto);
return p;
}
extern "C"
int
cygwin_gethostname (char *name, size_t len)
{
int PASCAL win32_gethostname(char*,int);
if (wsock32_handle == NULL ||
win32_gethostname (name, len) == SOCKET_ERROR)
{
DWORD local_len = len;
if (!GetComputerNameA (name, &local_len))
{
set_winsock_errno ();
return -1;
}
}
debug_printf ("name %s\n", name);
h_errno = 0;
return 0;
}
/* exported as gethostbyname: standards? */
extern "C"
struct hostent *
cygwin_gethostbyname (const char *name)
{
static unsigned char tmp_addr[4];
static struct hostent tmp;
static char *tmp_aliases[1] = {0};
static char *tmp_addr_list[2] = {0,0};
static int a, b, c, d;
if (sscanf(name, "%d.%d.%d.%d", &a, &b, &c, &d) == 4)
{
/* In case you don't have DNS, at least x.x.x.x still works */
memset(&tmp, 0, sizeof(tmp));
tmp_addr[0] = a;
tmp_addr[1] = b;
tmp_addr[2] = c;
tmp_addr[3] = d;
tmp_addr_list[0] = (char *)tmp_addr;
tmp.h_name = name;
tmp.h_aliases = tmp_aliases;
tmp.h_addrtype = 2;
tmp.h_length = 4;
tmp.h_addr_list = tmp_addr_list;
return &tmp;
}
struct hostent *ptr = gethostbyname (name);
if (!ptr)
{
set_winsock_errno ();
set_host_errno ();
}
else
{
debug_printf ("h_name %s", ptr->h_name);
h_errno = 0;
}
return ptr;
}
/* exported as accept: standards? */
extern "C"
int
cygwin_accept (int fd, struct sockaddr *peer, int *len)
{
int res = -1;
fhandler_socket *sock = get (fd);
if (sock)
{
/* accept on NT fails if len < sizeof (sockaddr_in)
* some programs set len to
* sizeof(name.sun_family) + strlen(name.sun_path) for UNIX domain
*/
if (len && ((unsigned) *len < sizeof (struct sockaddr_in)))
*len = sizeof (struct sockaddr_in);
res = accept (sock->get_socket (), peer, len); // can't use a blocking call inside a lock
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," accept");
int res_fd = dtable.find_unused_handle ();
if (res_fd == -1)
{
/* FIXME: what is correct errno? */
set_errno (EMFILE);
goto done;
}
if ((SOCKET) res == (SOCKET) INVALID_SOCKET)
set_winsock_errno ();
else
{
res = duplicate_socket (res);
fdsock (res_fd, sock->get_name (), res);
res = res_fd;
}
}
done:
syscall_printf ("%d = accept (%d, %x, %x)", res, fd, peer, len);
ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," accept");
return res;
}
/* exported as bind: standards? */
extern "C"
int
cygwin_bind (int fd, struct sockaddr *my_addr, int addrlen)
{
int res = -1;
fhandler_socket *sock = get (fd);
if (sock)
{
if (my_addr->sa_family == AF_UNIX)
{
#define un_addr ((struct sockaddr_un *) my_addr)
struct sockaddr_in sin;
int len = sizeof sin;
int fd;
if (strlen (un_addr->sun_path) >= UNIX_PATH_LEN)
{
set_errno (ENAMETOOLONG);
goto out;
}
sin.sin_family = AF_INET;
sin.sin_port = 0;
sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
if (bind (sock->get_socket (), (sockaddr *) &sin, len))
{
syscall_printf ("AF_UNIX: bind failed %d", get_errno ());
set_winsock_errno ();
goto out;
}
if (getsockname (sock->get_socket (), (sockaddr *) &sin, &len))
{
syscall_printf ("AF_UNIX: getsockname failed %d", get_errno ());
set_winsock_errno ();
goto out;
}
sin.sin_port = ntohs (sin.sin_port);
debug_printf ("AF_UNIX: socket bound to port %u", sin.sin_port);
/* bind must fail if file system socket object already exists
so _open() is called with O_EXCL flag. */
fd = _open (un_addr->sun_path,
O_WRONLY | O_CREAT | O_EXCL | O_BINARY,
0);
if (fd < 0)
{
if (get_errno () == EEXIST)
set_errno (EADDRINUSE);
goto out;
}
char buf[sizeof (SOCKET_COOKIE) + 10];
__small_sprintf (buf, "%s%u", SOCKET_COOKIE, sin.sin_port);
len = strlen (buf) + 1;
/* Note that the terminating nul is written. */
if (_write (fd, buf, len) != len)
{
save_errno here;
_close (fd);
_unlink (un_addr->sun_path);
}
else
{
_close (fd);
chmod (un_addr->sun_path,
(S_IFSOCK | S_IRWXU | S_IRWXG | S_IRWXO) & ~myself->umask);
res = 0;
}
#undef un_addr
}
else if (bind (sock->get_socket (), my_addr, addrlen))
set_winsock_errno ();
else
res = 0;
}
out:
syscall_printf ("%d = bind (%d, %x, %d)", res, fd, my_addr, addrlen);
return res;
}
/* exported as getsockname: standards? */
extern "C"
int
cygwin_getsockname (int fd, struct sockaddr *addr, int *namelen)
{
int res = -1;
fhandler_socket *sock = get (fd);
if (sock)
{
res = getsockname (sock->get_socket (), addr, namelen);
if (res)
set_winsock_errno ();
}
syscall_printf ("%d = getsockname (%d, %x, %d)", res, fd, addr, namelen);
return res;
}
/* exported as gethostbyaddr: standards? */
extern "C"
struct hostent *
cygwin_gethostbyaddr (const char *addr, int len, int type)
{
struct hostent *ptr = gethostbyaddr (addr, len, type);
if (!ptr)
{
set_winsock_errno ();
set_host_errno ();
}
else
{
debug_printf ("h_name %s", ptr->h_name);
h_errno = 0;
}
return ptr;
}
/* exported as listen: standards? */
extern "C"
int
cygwin_listen (int fd, int backlog)
{
int res = -1;
fhandler_socket *sock = get (fd);
if (sock)
{
res = listen (sock->get_socket (), backlog);
if (res)
set_winsock_errno ();
}
syscall_printf ("%d = listen (%d, %d)", res, fd, backlog);
return res;
}
/* exported as shutdown: standards? */
extern "C"
int
cygwin_shutdown (int fd, int how)
{
int res = -1;
fhandler_socket *sock = get (fd);
if (sock)
{
res = shutdown (sock->get_socket (), how);
if (res)
set_winsock_errno ();
}
syscall_printf ("%d = shutdown (%d, %d)", res, fd, how);
return res;
}
/* exported as herror: standards? */
extern "C"
void
Respond to a multitude of g++ warnings.
2000-02-21 13:20:38 +08:00
cygwin_herror (const char *)
import winsup-2000-02-17 snapshot
2000-02-18 03:38:33 +08:00
{
debug_printf ("********%d*************", __LINE__);
}
/* exported as getpeername: standards? */
extern "C"
int
cygwin_getpeername (int fd, struct sockaddr *name, int *len)
{
fhandler_socket *h = (fhandler_socket *) dtable[fd];
debug_printf ("getpeername %d", h->get_socket ());
int res = getpeername (h->get_socket (), name, len);
if (res)
set_winsock_errno ();
debug_printf ("%d = getpeername %d", res, h->get_socket ());
return res;
}
/* exported as recv: standards? */
extern "C"
int
cygwin_recv (int fd, void *buf, int len, unsigned int flags)
{
fhandler_socket *h = (fhandler_socket *) dtable[fd];
int res = recv (h->get_socket (), (char *) buf, len, flags);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
res = -1;
}
#if 0
if (res > 0 && res < 200)
for (int i=0; i < res; i++)
system_printf ("%d %x %c", i, ((char *) buf)[i], ((char *) buf)[i]);
#endif
syscall_printf ("%d = recv (%d, %x, %x, %x)", res, fd, buf, len, flags);
return res;
}
/* exported as send: standards? */
extern "C"
int
cygwin_send (int fd, const void *buf, int len, unsigned int flags)
{
fhandler_socket *h = (fhandler_socket *) dtable[fd];
int res = send (h->get_socket (), (const char *) buf, len, flags);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
res = -1;
}
syscall_printf ("%d = send (%d, %x, %d, %x)", res, fd, buf, len, flags);
return res;
}
/* getdomainname: standards? */
extern "C"
int
getdomainname (char *domain, int len)
{
/*
* This works for Win95 only if the machine is configured to use MS-TCP.
* If a third-party TCP is being used this will fail.
* FIXME: On Win95, is there a way to portably check the TCP stack
* in use and include paths for the Domain name in each ?
* Punt for now and assume MS-TCP on Win95.
*/
reg_key r (HKEY_LOCAL_MACHINE, KEY_READ,
(os_being_run != winNT) ? "System" : "SYSTEM",
"CurrentControlSet", "Services",
(os_being_run != winNT) ? "MSTCP" : "Tcpip",
NULL);
/* FIXME: Are registry keys case sensitive? */
if (r.error () || r.get_string ("Domain", domain, len, "") != ERROR_SUCCESS)
{
__seterrno ();
return -1;
}
return 0;
}
/* Cygwin internal */
/* Fill out an ifconf struct.
*
* Windows NT:
* Look at the Bind value in
* HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Linkage\
* This is a REG_MULTI_SZ with strings of the form:
* \Device\<Netcard>, where netcard is the name of the net device.
* Then look under:
* HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\<NetCard>\
* Parameters\Tcpip
* at the IPAddress, Subnetmask and DefaultGateway values for the
* required values.
*
* Windows 9x:
* We originally just did a gethostbyname, assuming that it's pretty
* unlikely Win9x will ever have more than one netcard. When this
* succeeded, we got the interface plus a loopback.
* Currently, we read all
* "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Class\NetTrans\*"
* entries from the Registry and use all entries that have legal
* "IPAddress" and "IPMask" values.
*/
static int
get_ifconf (struct ifconf *ifc, int what)
{
if (os_being_run == winNT)
{
HKEY key;
DWORD type, size;
unsigned long lip, lnp;
int cnt = 1;
char *binding = (char *) 0;
struct sockaddr_in *sa;
/* Union maps buffer to correct struct */
struct ifreq *ifr = ifc->ifc_req;
/* Ensure we have space for two struct ifreqs, fail if not. */
if (ifc->ifc_len < (int) (2 * sizeof (struct ifreq)))
{
set_errno (EFAULT);
return -1;
}
/* Set up interface lo0 first */
strcpy (ifr->ifr_name, "lo0");
memset (&ifr->ifr_addr, '\0', sizeof (ifr->ifr_addr));
switch (what)
{
case SIOCGIFCONF:
case SIOCGIFADDR:
sa = (struct sockaddr_in *) &ifr->ifr_addr;
sa->sin_addr.s_addr = htonl (INADDR_LOOPBACK);
break;
case SIOCGIFBRDADDR:
lip = htonl (INADDR_LOOPBACK);
lnp = cygwin_inet_addr ("255.0.0.0");
sa = (struct sockaddr_in *) &ifr->ifr_broadaddr;
sa->sin_addr.s_addr = lip & lnp | ~lnp;
break;
case SIOCGIFNETMASK:
sa = (struct sockaddr_in *) &ifr->ifr_netmask;
sa->sin_addr.s_addr = cygwin_inet_addr ("255.0.0.0");
break;
default:
set_errno (EINVAL);
return -1;
}
sa->sin_family = AF_INET;
sa->sin_port = 0;
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE,
"SYSTEM\\"
"CurrentControlSet\\"
"Services\\"
"Tcpip\\"
"Linkage",
0, KEY_READ, &key) == ERROR_SUCCESS)
{
if (RegQueryValueEx (key, "Bind",
NULL, &type,
NULL, &size) == ERROR_SUCCESS)
{
binding = (char *) alloca (size);
if (RegQueryValueEx (key, "Bind",
NULL, &type,
(unsigned char *) binding,
&size) != ERROR_SUCCESS)
{
binding = NULL;
}
}
RegCloseKey (key);
}
if (binding)
{
char *bp, eth[2];
char cardkey[256], ipaddress[256], netmask[256];
eth[0] = '/';
eth[1] = '\0';
for (bp = binding; *bp; bp += strlen(bp) + 1)
{
bp += strlen ("\\Device\\");
strcpy (cardkey, "SYSTEM\\CurrentControlSet\\Services\\");
strcat (cardkey, bp);
strcat (cardkey, "\\Parameters\\Tcpip");
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, cardkey,
0, KEY_READ, &key) != ERROR_SUCCESS)
continue;
if (RegQueryValueEx (key, "IPAddress",
NULL, &type,
(unsigned char *) &ipaddress,
(size = 256, &size)) == ERROR_SUCCESS
&& RegQueryValueEx (key, "SubnetMask",
NULL, &type,
(unsigned char *) &netmask,
(size = 256, &size)) == ERROR_SUCCESS)
{
char *ip, *np;
char sub[2];
char dhcpaddress[256], dhcpnetmask[256];
sub[0] = '/';
sub[1] = '\0';
if (strncmp (bp, "NdisWan", 7))
++*eth;
for (ip = ipaddress, np = netmask;
*ip && *np;
ip += strlen (ip) + 1, np += strlen (np) + 1)
{
if ((caddr_t) ++ifr > ifc->ifc_buf
+ ifc->ifc_len
- sizeof (struct ifreq))
break;
if (! strncmp (bp, "NdisWan", 7))
{
strcpy (ifr->ifr_name, "ppp");
strcat (ifr->ifr_name, bp + 7);
}
else
{
strcpy (ifr->ifr_name, "eth");
strcat (ifr->ifr_name, eth);
}
++*sub;
if (*sub >= '1')
strcat (ifr->ifr_name, sub);
memset (&ifr->ifr_addr, '\0', sizeof ifr->ifr_addr);
if (cygwin_inet_addr (ip) == 0L
&& RegQueryValueEx (key, "DhcpIPAddress",
NULL, &type,
(unsigned char *) &dhcpaddress,
(size = 256, &size))
== ERROR_SUCCESS
&& RegQueryValueEx (key, "DhcpSubnetMask",
NULL, &type,
(unsigned char *) &dhcpnetmask,
(size = 256, &size))
== ERROR_SUCCESS)
{
switch (what)
{
case SIOCGIFCONF:
case SIOCGIFADDR:
sa = (struct sockaddr_in *) &ifr->ifr_addr;
sa->sin_addr.s_addr =
cygwin_inet_addr (dhcpaddress);
break;
case SIOCGIFBRDADDR:
lip = cygwin_inet_addr (dhcpaddress);
lnp = cygwin_inet_addr (dhcpnetmask);
sa = (struct sockaddr_in *) &ifr->ifr_broadaddr;
sa->sin_addr.s_addr = lip & lnp | ~lnp;
break;
case SIOCGIFNETMASK:
sa = (struct sockaddr_in *) &ifr->ifr_netmask;
sa->sin_addr.s_addr =
cygwin_inet_addr (dhcpnetmask);
break;
}
}
else
{
switch (what)
{
case SIOCGIFCONF:
case SIOCGIFADDR:
sa = (struct sockaddr_in *) &ifr->ifr_addr;
sa->sin_addr.s_addr = cygwin_inet_addr (ip);
break;
case SIOCGIFBRDADDR:
lip = cygwin_inet_addr (ip);
lnp = cygwin_inet_addr (np);
sa = (struct sockaddr_in *) &ifr->ifr_broadaddr;
sa->sin_addr.s_addr = lip & lnp | ~lnp;
break;
case SIOCGIFNETMASK:
sa = (struct sockaddr_in *) &ifr->ifr_netmask;
sa->sin_addr.s_addr = cygwin_inet_addr (np);
break;
}
}
sa->sin_family = AF_INET;
sa->sin_port = 0;
++cnt;
}
}
RegCloseKey (key);
}
}
/* Set the correct length */
ifc->ifc_len = cnt * sizeof (struct ifreq);
}
else /* Windows 9x */
{
HKEY key, subkey;
FILETIME update;
LONG res;
DWORD type, size;
unsigned long lip, lnp;
char ifname[256], ip[256], np[256];
int cnt = 1;
struct sockaddr_in *sa;
/* Union maps buffer to correct struct */
struct ifreq *ifr = ifc->ifc_req;
char eth[2];
eth[0] = '/';
eth[1] = '\0';
/* Ensure we have space for two struct ifreqs, fail if not. */
if (ifc->ifc_len < (int) (2 * sizeof (struct ifreq)))
{
set_errno (EFAULT);
return -1;
}
/* Set up interface lo0 first */
strcpy (ifr->ifr_name, "lo0");
memset (&ifr->ifr_addr, '\0', sizeof ifr->ifr_addr);
switch (what)
{
case SIOCGIFCONF:
case SIOCGIFADDR:
sa = (struct sockaddr_in *) &ifr->ifr_addr;
sa->sin_addr.s_addr = htonl (INADDR_LOOPBACK);
break;
case SIOCGIFBRDADDR:
lip = htonl(INADDR_LOOPBACK);
lnp = cygwin_inet_addr ("255.0.0.0");
sa = (struct sockaddr_in *) &ifr->ifr_broadaddr;
sa->sin_addr.s_addr = lip & lnp | ~lnp;
break;
case SIOCGIFNETMASK:
sa = (struct sockaddr_in *) &ifr->ifr_netmask;
sa->sin_addr.s_addr = cygwin_inet_addr ("255.0.0.0");
break;
default:
set_errno (EINVAL);
return -1;
}
sa->sin_family = AF_INET;
sa->sin_port = 0;
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE,
"SYSTEM\\"
"CurrentControlSet\\"
"Services\\"
"Class\\"
"NetTrans",
0, KEY_READ, &key) == ERROR_SUCCESS)
{
for (int i = 0;
(res = RegEnumKeyEx (key, i, ifname,
(size = sizeof ifname, &size),
0, 0, 0, &update)) != ERROR_NO_MORE_ITEMS;
++i)
{
if (res != ERROR_SUCCESS
|| RegOpenKeyEx (key, ifname, 0,
KEY_READ, &subkey) != ERROR_SUCCESS)
continue;
if (RegQueryValueEx (subkey, "IPAddress", 0,
&type, (unsigned char *) ip,
(size = sizeof ip, &size)) == ERROR_SUCCESS
|| RegQueryValueEx (subkey, "IPMask", 0,
&type, (unsigned char *) np,
(size = sizeof np, &size)) == ERROR_SUCCESS)
{
if ((caddr_t)++ifr > ifc->ifc_buf
+ ifc->ifc_len
- sizeof(struct ifreq))
break;
++*eth;
strcpy (ifr->ifr_name, "eth");
strcat (ifr->ifr_name, eth);
switch (what)
{
case SIOCGIFCONF:
case SIOCGIFADDR:
sa = (struct sockaddr_in *) &ifr->ifr_addr;
sa->sin_addr.s_addr = cygwin_inet_addr (ip);
break;
case SIOCGIFBRDADDR:
lip = cygwin_inet_addr (ip);
lnp = cygwin_inet_addr (np);
sa = (struct sockaddr_in *) &ifr->ifr_broadaddr;
sa->sin_addr.s_addr = lip & lnp | ~lnp;
break;
case SIOCGIFNETMASK:
sa = (struct sockaddr_in *) &ifr->ifr_netmask;
sa->sin_addr.s_addr = cygwin_inet_addr (np);
break;
}
sa->sin_family = AF_INET;
sa->sin_port = 0;
++cnt;
}
RegCloseKey (subkey);
}
}
/* Set the correct length */
ifc->ifc_len = cnt * sizeof (struct ifreq);
}
return 0;
}
/* exported as rcmd: standards? */
extern "C"
int
cygwin_rcmd (char **ahost, unsigned short inport, char *locuser,
char *remuser, char *cmd, int *fd2p)
{
int res = -1;
SOCKET fd2s;
int res_fd = dtable.find_unused_handle ();
if (res_fd == -1)
goto done;
if (fd2p)
{
*fd2p = dtable.find_unused_handle (res_fd + 1);
if (*fd2p == -1)
goto done;
}
res = rcmd (ahost, inport, locuser, remuser, cmd, fd2p? &fd2s: NULL);
if (res == (int) INVALID_SOCKET)
goto done;
else
{
res = duplicate_socket (res);
fdsock (res_fd, "/dev/tcp", res);
res = res_fd;
}
if (fd2p)
{
fd2s = duplicate_socket (fd2s);
fdsock (*fd2p, "/dev/tcp", fd2s);
}
done:
syscall_printf ("%d = rcmd (...)", res);
return res;
}
/* exported as rresvport: standards? */
extern "C"
int
cygwin_rresvport (int *port)
{
int res = -1;
int res_fd = dtable.find_unused_handle ();
if (res_fd == -1)
goto done;
res = rresvport (port);
if (res == (int) INVALID_SOCKET)
goto done;
else
{
res = duplicate_socket (res);
fdsock (res_fd, "/dev/tcp", res);
res = res_fd;
}
done:
syscall_printf ("%d = rresvport (%d)", res, port ? *port : 0);
return res;
}
/* exported as rexec: standards? */
extern "C"
int
cygwin_rexec (char **ahost, unsigned short inport, char *locuser,
char *password, char *cmd, int *fd2p)
{
int res = -1;
SOCKET fd2s;
int res_fd = dtable.find_unused_handle ();
if (res_fd == -1)
goto done;
if (fd2p)
{
*fd2p = dtable.find_unused_handle (res_fd + 1);
if (*fd2p == -1)
goto done;
}
res = rexec (ahost, inport, locuser, password, cmd, fd2p ? &fd2s : NULL);
if (res == (int) INVALID_SOCKET)
goto done;
else
{
res = duplicate_socket (res);
fdsock (res_fd, "/dev/tcp", res);
res = res_fd;
}
if (fd2p)
{
fd2s = duplicate_socket (fd2s);
fdsock (*fd2p, "/dev/tcp", fd2s);
#if 0 /* ??? */
fhandler_socket *h;
p->hmap.vec[*fd2p].h = h =
new (&p->hmap.vec[*fd2p].item) fhandler_socket (fd2s, "/dev/tcp");
#endif
}
done:
syscall_printf ("%d = rexec (...)", res);
return res;
}
/* socketpair: standards? */
/* Win32 supports AF_INET only, so ignore domain and protocol arguments */
extern "C"
int
socketpair (int, int type, int, int *sb)
{
int res = -1;
SOCKET insock, outsock, newsock;
struct sockaddr_in sock_in;
int len = sizeof (sock_in);
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," socketpair");
sb[0] = dtable.find_unused_handle ();
if (sb[0] == -1)
{
set_errno (EMFILE);
goto done;
}
sb[1] = dtable.find_unused_handle (sb[0] + 1);
if (sb[1] == -1)
{
set_errno (EMFILE);
goto done;
}
/* create a listening socket */
newsock = socket (AF_INET, type, 0);
if (newsock == INVALID_SOCKET)
{
set_winsock_errno ();
goto done;
}
/* bind the socket to any unused port */
sock_in.sin_family = AF_INET;
sock_in.sin_port = 0;
sock_in.sin_addr.s_addr = INADDR_ANY;
if (bind (newsock, (struct sockaddr *) &sock_in, sizeof (sock_in)) < 0)
{
set_winsock_errno ();
closesocket (newsock);
goto done;
}
if (getsockname (newsock, (struct sockaddr *) &sock_in, &len) < 0)
{
debug_printf ("getsockname error");
set_winsock_errno ();
closesocket (newsock);
goto done;
}
listen (newsock, 2);
/* create a connecting socket */
outsock = socket (AF_INET, type, 0);
if (outsock == INVALID_SOCKET)
{
debug_printf ("can't create outsock");
set_winsock_errno ();
closesocket (newsock);
goto done;
}
sock_in.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
/* Do a connect and accept the connection */
if (connect (outsock, (struct sockaddr *) &sock_in,
sizeof (sock_in)) < 0)
{
debug_printf ("connect error");
set_winsock_errno ();
closesocket (newsock);
closesocket (outsock);
goto done;
}
insock = accept (newsock, (struct sockaddr *) &sock_in, &len);
if (insock == INVALID_SOCKET)
{
debug_printf ("accept error");
set_winsock_errno ();
closesocket (newsock);
closesocket (outsock);
goto done;
}
closesocket (newsock);
res = 0;
insock = duplicate_socket (insock);
fdsock (sb[0], "/dev/tcp", insock);
outsock = duplicate_socket (outsock);
fdsock (sb[1], "/dev/tcp", outsock);
done:
syscall_printf ("%d = socketpair (...)", res);
ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," socketpair");
return res;
}
/**********************************************************************/
/* fhandler_socket */
fhandler_socket::fhandler_socket (const char *name) :
fhandler_base (FH_SOCKET, name)
{
set_cb (sizeof *this);
number_of_sockets++;
}
/* sethostent: standards? */
extern "C"
void
sethostent (int)
{
}
/* endhostent: standards? */
extern "C"
void
endhostent (void)
{
}
fhandler_socket::~fhandler_socket ()
{
if (--number_of_sockets < 0)
{
number_of_sockets = 0;
system_printf("socket count < 0");
}
}
int
fhandler_socket::read (void *ptr, size_t len)
{
int res = recv (get_socket (), (char *) ptr, len, 0);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
}
return res;
}
int
fhandler_socket::write (const void *ptr, size_t len)
{
int res = send (get_socket (), (const char *) ptr, len, 0);
if (res == SOCKET_ERROR)
{
set_winsock_errno ();
if (get_errno () == ECONNABORTED || get_errno () == ECONNRESET)
_raise (SIGPIPE);
}
return res;
}
/* Cygwin internal */
int
fhandler_socket::close ()
{
int res = 0;
if (closesocket (get_socket ()))
{
set_winsock_errno ();
res = -1;
}
return res;
}
/* Cygwin internal */
/*
* Return the flags settings for an interface.
*/
static int
get_if_flags (struct ifreq *ifr)
{
struct sockaddr_in *sa = (struct sockaddr_in *) &ifr->ifr_addr;
short flags = IFF_NOTRAILERS | IFF_UP | IFF_RUNNING;
if (sa->sin_addr.s_addr == INADDR_LOOPBACK)
flags |= IFF_LOOPBACK;
else
flags |= IFF_BROADCAST;
ifr->ifr_flags = flags;
return 0;
}
#define ASYNC_MASK (FD_READ|FD_WRITE|FD_OOB|FD_ACCEPT|FD_CONNECT)
/* Cygwin internal */
int
fhandler_socket::ioctl (unsigned int cmd, void *p)
{
int res;
struct ifconf *ifc;
struct ifreq *ifr;
switch (cmd)
{
case SIOCGIFCONF:
ifc = (struct ifconf *) p;
if (ifc == 0)
{
set_errno (EINVAL);
return -1;
}
res = get_ifconf (ifc, cmd);
if (res)
debug_printf ("error in get_ifconf\n");
break;
case SIOCGIFFLAGS:
ifr = (struct ifreq *) p;
if (ifr == 0)
{
set_errno (EINVAL);
return -1;
}
res = get_if_flags (ifr);
break;
case SIOCGIFBRDADDR:
case SIOCGIFNETMASK:
case SIOCGIFADDR:
{
char buf[2048];
struct ifconf ifc;
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
struct ifreq *ifrp;
struct ifreq *ifr = (struct ifreq *) p;
if (ifr == 0)
{
debug_printf("ifr == NULL\n");
set_errno (EINVAL);
return -1;
}
res = get_ifconf (&ifc, cmd);
if (res)
{
debug_printf ("error in get_ifconf\n");
break;
}
debug_printf(" name: %s\n", ifr->ifr_name);
for (ifrp = ifc.ifc_req;
(caddr_t) ifrp < ifc.ifc_buf + ifc.ifc_len;
++ifrp)
{
debug_printf("testname: %s\n", ifrp->ifr_name);
if (! strcmp (ifrp->ifr_name, ifr->ifr_name))
{
switch (cmd)
{
case SIOCGIFADDR:
ifr->ifr_addr = ifrp->ifr_addr;
break;
case SIOCGIFBRDADDR:
ifr->ifr_broadaddr = ifrp->ifr_broadaddr;
break;
case SIOCGIFNETMASK:
ifr->ifr_netmask = ifrp->ifr_netmask;
break;
}
break;
}
}
if ((caddr_t) ifrp >= ifc.ifc_buf + ifc.ifc_len)
{
set_errno (EINVAL);
return -1;
}
break;
}
case FIOASYNC:
res = WSAAsyncSelect (get_socket (), gethwnd (), WM_ASYNCIO,
*(int *) p ? ASYNC_MASK : 0);
syscall_printf ("Async I/O on socket %s",
*(int *) p ? "started" : "cancelled");
set_async (*(int *) p);
break;
default:
/* We must cancel WSAAsyncSelect (if any) before settting socket to
* blocking mode
*/
if (cmd == FIONBIO && *(int *) p == 0)
WSAAsyncSelect (get_socket (), gethwnd (), 0, 0);
res = ioctlsocket (get_socket (), cmd, (unsigned long *) p);
if (res == SOCKET_ERROR)
set_winsock_errno ();
if (cmd == FIONBIO)
{
syscall_printf ("socket is now %sblocking",
*(int *) p ? "un" : "");
/* Start AsyncSelect if async socket unblocked */
if (*(int *) p && get_async ())
WSAAsyncSelect (get_socket (), gethwnd (), WM_ASYNCIO, ASYNC_MASK);
}
break;
}
syscall_printf ("%d = ioctl_socket (%x, %x)", res, cmd, p);
return res;
}
/* Initialize WinSock */
LoadDLLinitfunc (wsock32)
{
WSADATA p;
int res;
HANDLE h;
if ((h = LoadLibrary ("wsock32.dll")) != NULL)
wsock32_handle = h;
else if (!wsock32_handle)
api_fatal ("could not load wsock32.dll. Is TCP/IP installed?");
else
return 0; /* Already done by another thread? */
res = WSAStartup ((2<<8) | 2, &p);
debug_printf ("res %d", res);
debug_printf ("wVersion %d", p.wVersion);
debug_printf ("wHighVersion %d", p.wHighVersion);
debug_printf ("szDescription %s",p.szDescription);
debug_printf ("szSystemStatus %s",p.szSystemStatus);
debug_printf ("iMaxSockets %d", p.iMaxSockets);
debug_printf ("iMaxUdpDg %d", p.iMaxUdpDg);
debug_printf ("lpVendorInfo %d", p.lpVendorInfo);
if (FIONBIO != REAL_FIONBIO)
debug_printf ("**************** FIONBIO != REAL_FIONBIO");
return 0;
}
LoadDLLinit (wsock32)
LoadDLLfunc (WSAAsyncSelect, WSAAsyncSelect@16, wsock32)
LoadDLLfunc (WSACleanup, WSACleanup@0, wsock32)
LoadDLLfunc (WSAGetLastError, WSAGetLastError@0, wsock32)
LoadDLLfunc (WSAStartup, WSAStartup@8, wsock32)
LoadDLLfunc (__WSAFDIsSet, __WSAFDIsSet@8, wsock32)
LoadDLLfunc (accept, accept@12, wsock32)
LoadDLLfunc (bind, bind@12, wsock32)
LoadDLLfunc (closesocket, closesocket@4, wsock32)
LoadDLLfunc (connect, connect@12, wsock32)
LoadDLLfunc (gethostbyaddr, gethostbyaddr@12, wsock32)
LoadDLLfunc (gethostbyname, gethostbyname@4, wsock32)
LoadDLLfunc (gethostname, gethostname@8, wsock32)
LoadDLLfunc (getpeername, getpeername@12, wsock32)
LoadDLLfunc (getprotobyname, getprotobyname@4, wsock32)
LoadDLLfunc (getprotobynumber, getprotobynumber@4, wsock32)
LoadDLLfunc (getservbyname, getservbyname@8, wsock32)
LoadDLLfunc (getservbyport, getservbyport@8, wsock32)
LoadDLLfunc (getsockname, getsockname@12, wsock32)
LoadDLLfunc (getsockopt, getsockopt@20, wsock32)
LoadDLLfunc (inet_addr, inet_addr@4, wsock32)
LoadDLLfunc (inet_ntoa, inet_ntoa@4, wsock32)
LoadDLLfunc (ioctlsocket, ioctlsocket@12, wsock32)
LoadDLLfunc (listen, listen@8, wsock32)
LoadDLLfunc (rcmd, rcmd@24, wsock32)
LoadDLLfunc (recv, recv@16, wsock32)
LoadDLLfunc (recvfrom, recvfrom@24, wsock32)
LoadDLLfunc (rexec, rexec@24, wsock32)
LoadDLLfunc (rresvport, rresvport@4, wsock32)
LoadDLLfunc (select, select@20, wsock32)
LoadDLLfunc (send, send@16, wsock32)
LoadDLLfunc (sendto, sendto@24, wsock32)
LoadDLLfunc (setsockopt, setsockopt@20, wsock32)
LoadDLLfunc (shutdown, shutdown@8, wsock32)
LoadDLLfunc (socket, socket@12, wsock32)