2016 lines
51 KiB
C++
2016 lines
51 KiB
C++
/* net.cc: network-related routines.
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Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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/* #define DEBUG_NEST_ON 1 */
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#define __INSIDE_CYGWIN_NET__
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#define Win32_Winsock
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#include "winsup.h"
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include "autoload.h"
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#include <winsock.h>
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#include "cygerrno.h"
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#include "fhandler.h"
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#include "path.h"
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#include "dtable.h"
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#include "thread.h"
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#include "sync.h"
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#include "sigproc.h"
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#include "pinfo.h"
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#include "registry.h"
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extern "C" {
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int h_errno;
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int __stdcall rcmd (char **ahost, unsigned short inport, char *locuser,
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char *remuser, char *cmd, SOCKET *fd2p);
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int __stdcall rexec (char **ahost, unsigned short inport, char *locuser,
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char *password, char *cmd, SOCKET *fd2p);
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int __stdcall rresvport (int *);
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int sscanf (const char *, const char *, ...);
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} /* End of "C" section */
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/* Cygwin internal */
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static SOCKET __stdcall
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set_socket_inheritance (SOCKET sock)
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{
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if (os_being_run == winNT)
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(void) SetHandleInformation ((HANDLE) sock, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
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else
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{
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SOCKET newsock;
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if (!DuplicateHandle (hMainProc, (HANDLE) sock, hMainProc, (HANDLE *) &newsock,
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0, TRUE, DUPLICATE_SAME_ACCESS))
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small_printf ("DuplicateHandle failed %E");
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else
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{
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closesocket (sock);
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sock = newsock;
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}
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}
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return sock;
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}
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/* htonl: standards? */
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extern "C" unsigned long int
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htonl (unsigned long int x)
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{
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return ((((x & 0x000000ffU) << 24) |
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((x & 0x0000ff00U) << 8) |
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((x & 0x00ff0000U) >> 8) |
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((x & 0xff000000U) >> 24)));
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}
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/* ntohl: standards? */
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extern "C" unsigned long int
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ntohl (unsigned long int x)
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{
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return htonl (x);
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}
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/* htons: standards? */
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extern "C" unsigned short
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htons (unsigned short x)
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{
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return ((((x & 0x000000ffU) << 8) |
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((x & 0x0000ff00U) >> 8)));
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}
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/* ntohs: standards? */
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extern "C" unsigned short
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ntohs (unsigned short x)
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{
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return htons (x);
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}
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/* Cygwin internal */
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static void
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dump_protoent (struct protoent *p)
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{
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if (p)
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debug_printf ("protoent %s %x %x", p->p_name, p->p_aliases, p->p_proto);
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}
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/* exported as inet_ntoa: standards? */
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extern "C" char *
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cygwin_inet_ntoa (struct in_addr in)
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{
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char *res = inet_ntoa (in);
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return res;
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}
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/* exported as inet_addr: standards? */
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extern "C" unsigned long
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cygwin_inet_addr (const char *cp)
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{
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unsigned long res = inet_addr (cp);
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return res;
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}
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/* undocumented in wsock32.dll */
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extern "C" unsigned int WINAPI inet_network (const char *);
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extern "C" unsigned int
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cygwin_inet_network (const char *cp)
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{
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unsigned int res = inet_network (cp);
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return res;
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}
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/* inet_netof is in the standard BSD sockets library. It is useless
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for modern networks, since it assumes network values which are no
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longer meaningful, but some existing code calls it. */
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extern "C" unsigned long
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inet_netof (struct in_addr in)
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{
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unsigned long i, res;
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i = ntohl (in.s_addr);
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if (IN_CLASSA (i))
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res = (i & IN_CLASSA_NET) >> IN_CLASSA_NSHIFT;
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else if (IN_CLASSB (i))
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res = (i & IN_CLASSB_NET) >> IN_CLASSB_NSHIFT;
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else
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res = (i & IN_CLASSC_NET) >> IN_CLASSC_NSHIFT;
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return res;
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}
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/* inet_makeaddr is in the standard BSD sockets library. It is
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useless for modern networks, since it assumes network values which
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are no longer meaningful, but some existing code calls it. */
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extern "C" struct in_addr
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inet_makeaddr (int net, int lna)
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{
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unsigned long i;
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struct in_addr in;
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if (net < IN_CLASSA_MAX)
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i = (net << IN_CLASSA_NSHIFT) | (lna & IN_CLASSA_HOST);
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else if (net < IN_CLASSB_MAX)
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i = (net << IN_CLASSB_NSHIFT) | (lna & IN_CLASSB_HOST);
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else if (net < 0x1000000)
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i = (net << IN_CLASSC_NSHIFT) | (lna & IN_CLASSC_HOST);
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else
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i = net | lna;
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in.s_addr = htonl (i);
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return in;
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}
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struct tl
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{
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int w;
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const char *s;
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int e;
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};
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static struct tl errmap[] =
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{
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{WSAEWOULDBLOCK, "WSAEWOULDBLOCK", EWOULDBLOCK},
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{WSAEINPROGRESS, "WSAEINPROGRESS", EINPROGRESS},
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{WSAEALREADY, "WSAEALREADY", EALREADY},
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{WSAENOTSOCK, "WSAENOTSOCK", ENOTSOCK},
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{WSAEDESTADDRREQ, "WSAEDESTADDRREQ", EDESTADDRREQ},
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{WSAEMSGSIZE, "WSAEMSGSIZE", EMSGSIZE},
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{WSAEPROTOTYPE, "WSAEPROTOTYPE", EPROTOTYPE},
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{WSAENOPROTOOPT, "WSAENOPROTOOPT", ENOPROTOOPT},
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{WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT", EPROTONOSUPPORT},
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{WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT", ESOCKTNOSUPPORT},
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{WSAEOPNOTSUPP, "WSAEOPNOTSUPP", EOPNOTSUPP},
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{WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT", EPFNOSUPPORT},
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{WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT", EAFNOSUPPORT},
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{WSAEADDRINUSE, "WSAEADDRINUSE", EADDRINUSE},
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{WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL", EADDRNOTAVAIL},
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{WSAENETDOWN, "WSAENETDOWN", ENETDOWN},
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{WSAENETUNREACH, "WSAENETUNREACH", ENETUNREACH},
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{WSAENETRESET, "WSAENETRESET", ENETRESET},
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{WSAECONNABORTED, "WSAECONNABORTED", ECONNABORTED},
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{WSAECONNRESET, "WSAECONNRESET", ECONNRESET},
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{WSAENOBUFS, "WSAENOBUFS", ENOBUFS},
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{WSAEISCONN, "WSAEISCONN", EISCONN},
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{WSAENOTCONN, "WSAENOTCONN", ENOTCONN},
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{WSAESHUTDOWN, "WSAESHUTDOWN", ESHUTDOWN},
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{WSAETOOMANYREFS, "WSAETOOMANYREFS", ETOOMANYREFS},
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{WSAETIMEDOUT, "WSAETIMEDOUT", ETIMEDOUT},
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{WSAECONNREFUSED, "WSAECONNREFUSED", ECONNREFUSED},
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{WSAELOOP, "WSAELOOP", ELOOP},
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{WSAENAMETOOLONG, "WSAENAMETOOLONG", ENAMETOOLONG},
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{WSAEHOSTDOWN, "WSAEHOSTDOWN", EHOSTDOWN},
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{WSAEHOSTUNREACH, "WSAEHOSTUNREACH", EHOSTUNREACH},
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{WSAENOTEMPTY, "WSAENOTEMPTY", ENOTEMPTY},
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{WSAEPROCLIM, "WSAEPROCLIM", EPROCLIM},
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{WSAEUSERS, "WSAEUSERS", EUSERS},
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{WSAEDQUOT, "WSAEDQUOT", EDQUOT},
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{WSAESTALE, "WSAESTALE", ESTALE},
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{WSAEREMOTE, "WSAEREMOTE", EREMOTE},
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{WSAEINVAL, "WSAEINVAL", EINVAL},
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{WSAEFAULT, "WSAEFAULT", EFAULT},
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{0, NULL, 0}
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};
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/* Cygwin internal */
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void
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__set_winsock_errno (const char *fn, int ln)
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{
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int i;
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int why = WSAGetLastError ();
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for (i = 0; errmap[i].w != 0; ++i)
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if (why == errmap[i].w)
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break;
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if (errmap[i].w != 0)
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{
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syscall_printf ("%s:%d - %d (%s) -> %d", fn, ln, why, errmap[i].s, errmap[i].e);
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set_errno (errmap[i].e);
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}
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else
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{
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syscall_printf ("%s:%d - unknown error %d", fn, ln, why);
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set_errno (EPERM);
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}
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}
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static struct tl host_errmap[] =
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{
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{WSAHOST_NOT_FOUND, "WSAHOST_NOT_FOUND", HOST_NOT_FOUND},
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{WSATRY_AGAIN, "WSATRY_AGAIN", TRY_AGAIN},
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{WSANO_RECOVERY, "WSANO_RECOVERY", NO_RECOVERY},
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{WSANO_DATA, "WSANO_DATA", NO_DATA},
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{0, NULL, 0}
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};
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/* Cygwin internal */
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static void
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set_host_errno ()
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{
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int i;
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int why = WSAGetLastError ();
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for (i = 0; i < host_errmap[i].w != 0; ++i)
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if (why == host_errmap[i].w)
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break;
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if (host_errmap[i].w != 0)
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h_errno = host_errmap[i].e;
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else
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h_errno = NETDB_INTERNAL;
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}
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/* exported as getprotobyname: standards? */
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extern "C" struct protoent *
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cygwin_getprotobyname (const char *p)
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{
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struct protoent *res = getprotobyname (p);
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if (!res)
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set_winsock_errno ();
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dump_protoent (res);
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return res;
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}
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/* exported as getprotobynumber: standards? */
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extern "C" struct protoent *
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cygwin_getprotobynumber (int number)
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{
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struct protoent *res = getprotobynumber (number);
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if (!res)
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set_winsock_errno ();
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dump_protoent (res);
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return res;
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}
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fhandler_socket *
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fdsock (int fd, const char *name, SOCKET soc)
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{
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fhandler_socket *fh = (fhandler_socket *) fdtab.build_fhandler (fd, FH_SOCKET, name);
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fh->set_io_handle ((HANDLE) soc);
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fh->set_flags (O_RDWR);
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return fh;
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}
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/* exported as socket: standards? */
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extern "C" int
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cygwin_socket (int af, int type, int protocol)
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{
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int res = -1;
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SetResourceLock (LOCK_FD_LIST, WRITE_LOCK|READ_LOCK, "socket");
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SOCKET soc;
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int fd = fdtab.find_unused_handle ();
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if (fd < 0)
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set_errno (EMFILE);
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else
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{
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debug_printf ("socket (%d, %d, %d)", af, type, protocol);
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soc = socket (AF_INET, type, 0);
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if (soc == INVALID_SOCKET)
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{
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set_winsock_errno ();
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goto done;
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}
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soc = set_socket_inheritance (soc);
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const char *name;
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if (af == AF_INET)
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name = (type == SOCK_STREAM ? "/dev/tcp" : "/dev/udp");
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else
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name = (type == SOCK_STREAM ? "/dev/streamsocket" : "/dev/dgsocket");
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fdsock (fd, name, soc)->set_addr_family (af);
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res = fd;
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}
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done:
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syscall_printf ("%d = socket (%d, %d, %d)", res, af, type, protocol);
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ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK|READ_LOCK, "socket");
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return res;
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}
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/* cygwin internal: map sockaddr into internet domain address */
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static int get_inet_addr (const struct sockaddr *in, int inlen,
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struct sockaddr_in *out, int *outlen)
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{
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if (in->sa_family == AF_INET)
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{
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*out = * (sockaddr_in *)in;
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*outlen = inlen;
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return 1;
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}
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else if (in->sa_family == AF_UNIX)
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{
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sockaddr_in sin;
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char buf[32];
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memset (buf, 0, sizeof buf);
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int fd = open (in->sa_data, O_RDONLY);
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if (fd == -1)
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return 0;
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if (read (fd, buf, sizeof buf) == -1)
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return 0;
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sin.sin_family = AF_INET;
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sscanf (buf + strlen (SOCKET_COOKIE), "%hu", &sin.sin_port);
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sin.sin_port = htons (sin.sin_port);
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sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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*out = sin;
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*outlen = sizeof sin;
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return 1;
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}
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else
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{
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set_errno (EAFNOSUPPORT);
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return 0;
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}
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}
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/* exported as sendto: standards? */
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extern "C" int
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cygwin_sendto (int fd,
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const void *buf,
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int len,
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unsigned int flags,
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const struct sockaddr *to,
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int tolen)
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{
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fhandler_socket *h = (fhandler_socket *) fdtab[fd];
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sockaddr_in sin;
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sigframe thisframe (mainthread);
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if (get_inet_addr (to, tolen, &sin, &tolen) == 0)
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return -1;
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int res = sendto (h->get_socket (), (const char *) buf, len,
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flags, to, tolen);
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if (res == SOCKET_ERROR)
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{
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set_winsock_errno ();
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res = -1;
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}
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return res;
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}
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/* exported as recvfrom: standards? */
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extern "C" int
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cygwin_recvfrom (int fd,
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char *buf,
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int len,
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int flags,
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struct sockaddr *from,
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int *fromlen)
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{
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fhandler_socket *h = (fhandler_socket *) fdtab[fd];
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sigframe thisframe (mainthread);
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debug_printf ("recvfrom %d", h->get_socket ());
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int res = recvfrom (h->get_socket (), buf, len, flags, from, fromlen);
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if (res == SOCKET_ERROR)
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{
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set_winsock_errno ();
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res = -1;
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}
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return res;
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}
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/* Cygwin internal */
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fhandler_socket *
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get (int fd)
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{
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if (fdtab.not_open (fd))
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{
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set_errno (EINVAL);
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return 0;
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}
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return fdtab[fd]->is_socket ();
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}
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/* exported as setsockopt: standards? */
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extern "C" int
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cygwin_setsockopt (int fd,
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int level,
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int optname,
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const void *optval,
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int optlen)
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{
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fhandler_socket *h = get (fd);
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int res = -1;
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const char *name = "error";
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if (h)
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{
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/* For the following debug_printf */
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switch (optname)
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{
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case SO_DEBUG:
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name="SO_DEBUG";
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break;
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case SO_ACCEPTCONN:
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name="SO_ACCEPTCONN";
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break;
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case SO_REUSEADDR:
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name="SO_REUSEADDR";
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break;
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case SO_KEEPALIVE:
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name="SO_KEEPALIVE";
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break;
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case SO_DONTROUTE:
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name="SO_DONTROUTE";
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break;
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case SO_BROADCAST:
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name="SO_BROADCAST";
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break;
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case SO_USELOOPBACK:
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name="SO_USELOOPBACK";
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break;
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case SO_LINGER:
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name="SO_LINGER";
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break;
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case SO_OOBINLINE:
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name="SO_OOBINLINE";
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break;
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}
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res = setsockopt (h->get_socket (), level, optname,
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(const char *) optval, optlen);
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if (optlen == 4)
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syscall_printf ("setsockopt optval=%x", *(long *) optval);
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if (res)
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set_winsock_errno ();
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}
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syscall_printf ("%d = setsockopt (%d, %d, %x (%s), %x, %d)",
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res, fd, level, optname, name, optval, optlen);
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return res;
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}
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/* exported as getsockopt: standards? */
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extern "C" int
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cygwin_getsockopt (int fd,
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int level,
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int optname,
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void *optval,
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int *optlen)
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{
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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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
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 = fdtab.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 = set_socket_inheritance (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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
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
|
||
cygwin_herror (const char *)
|
||
{
|
||
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 *) fdtab[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 *) fdtab[fd];
|
||
sigframe thisframe (mainthread);
|
||
|
||
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 *) fdtab[fd];
|
||
sigframe thisframe (mainthread);
|
||
|
||
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. */
|
||
|
||
/*
|
||
* IFCONF Windows 2000:
|
||
* Look at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\
|
||
Parameters\Interfaces
|
||
* Each subkey is an interface.
|
||
*/
|
||
static void
|
||
get_2k_ifconf (struct ifconf *ifc, int what)
|
||
{
|
||
HKEY key;
|
||
int cnt = 1;
|
||
|
||
/* Union maps buffer to correct struct */
|
||
struct ifreq *ifr = ifc->ifc_req;
|
||
|
||
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE,
|
||
"SYSTEM\\"
|
||
"CurrentControlSet\\"
|
||
"Services\\"
|
||
"Tcpip\\"
|
||
"Parameters\\"
|
||
"Interfaces",
|
||
0, KEY_READ, &key) == ERROR_SUCCESS)
|
||
{
|
||
HKEY ikey;
|
||
unsigned long lip, lnp;
|
||
struct sockaddr_in *sa = NULL;
|
||
char name[256];
|
||
DWORD size;
|
||
char eth[2] = "/", ppp[2] = "/";
|
||
|
||
for (int idx = 0;
|
||
RegEnumKeyEx (key, idx, name, (size = 256, &size),
|
||
NULL, NULL, 0, NULL) == ERROR_SUCCESS;
|
||
++idx)
|
||
{
|
||
if (RegOpenKeyEx (key, name, 0, KEY_READ, &ikey) != ERROR_SUCCESS)
|
||
continue;
|
||
|
||
/* If the "NTEContextList" value not exists, the subkey
|
||
is irrelevant. */
|
||
if (RegQueryValueEx (ikey, "NTEContextList",
|
||
NULL, NULL, NULL, &size) != ERROR_SUCCESS)
|
||
{
|
||
RegCloseKey (ikey);
|
||
continue;
|
||
}
|
||
|
||
if ((caddr_t) ++ifr > ifc->ifc_buf
|
||
+ ifc->ifc_len
|
||
- sizeof (struct ifreq))
|
||
{
|
||
RegCloseKey (ikey);
|
||
break;
|
||
}
|
||
|
||
char ipaddress[256], netmask[256];
|
||
char dhcpaddress[256], dhcpnetmask[256];
|
||
|
||
if (RegQueryValueEx (ikey, "IPAddress",
|
||
NULL, NULL,
|
||
(unsigned char *) ipaddress,
|
||
(size = 256, &size)) == ERROR_SUCCESS
|
||
&& RegQueryValueEx (ikey, "SubnetMask",
|
||
NULL, NULL,
|
||
(unsigned char *) netmask,
|
||
(size = 256, &size)) == ERROR_SUCCESS)
|
||
{
|
||
/* ppp interfaces don't have the "AddressType" value. */
|
||
if (RegQueryValueEx (ikey, "AddressType",
|
||
NULL, NULL, NULL, &size) == ERROR_SUCCESS)
|
||
{
|
||
++*eth;
|
||
strcpy (ifr->ifr_name, "eth");
|
||
strcat (ifr->ifr_name, eth);
|
||
}
|
||
else
|
||
{
|
||
++*ppp;
|
||
strcpy (ifr->ifr_name, "ppp");
|
||
strcat (ifr->ifr_name, ppp);
|
||
}
|
||
|
||
memset (&ifr->ifr_addr, '\0', sizeof ifr->ifr_addr);
|
||
if (cygwin_inet_addr (ipaddress) == 0L
|
||
&& RegQueryValueEx (ikey, "DhcpIPAddress",
|
||
NULL, NULL,
|
||
(unsigned char *) dhcpaddress,
|
||
(size = 256, &size))
|
||
== ERROR_SUCCESS
|
||
&& RegQueryValueEx (ikey, "DhcpSubnetMask",
|
||
NULL, NULL,
|
||
(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 (ipaddress);
|
||
break;
|
||
case SIOCGIFBRDADDR:
|
||
lip = cygwin_inet_addr (ipaddress);
|
||
lnp = cygwin_inet_addr (netmask);
|
||
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 (netmask);
|
||
break;
|
||
}
|
||
}
|
||
sa->sin_family = AF_INET;
|
||
sa->sin_port = 0;
|
||
++cnt;
|
||
}
|
||
|
||
RegCloseKey (ikey);
|
||
}
|
||
|
||
RegCloseKey (key);
|
||
}
|
||
|
||
/* Set the correct length */
|
||
ifc->ifc_len = cnt * sizeof (struct ifreq);
|
||
}
|
||
|
||
/*
|
||
* IFCONF 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.
|
||
*/
|
||
static void
|
||
get_nt_ifconf (struct ifconf *ifc, int what)
|
||
{
|
||
HKEY key;
|
||
unsigned long lip, lnp;
|
||
struct sockaddr_in *sa = NULL;
|
||
DWORD size;
|
||
int cnt = 1;
|
||
char *binding = (char *) 0;
|
||
|
||
/* Union maps buffer to correct struct */
|
||
struct ifreq *ifr = ifc->ifc_req;
|
||
|
||
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE,
|
||
"SYSTEM\\"
|
||
"CurrentControlSet\\"
|
||
"Services\\"
|
||
"Tcpip\\"
|
||
"Linkage",
|
||
0, KEY_READ, &key) == ERROR_SUCCESS)
|
||
{
|
||
if (RegQueryValueEx (key, "Bind",
|
||
NULL, NULL,
|
||
NULL, &size) == ERROR_SUCCESS)
|
||
{
|
||
binding = (char *) alloca (size);
|
||
if (RegQueryValueEx (key, "Bind",
|
||
NULL, NULL,
|
||
(unsigned char *) binding,
|
||
&size) != ERROR_SUCCESS)
|
||
{
|
||
binding = NULL;
|
||
}
|
||
}
|
||
RegCloseKey (key);
|
||
}
|
||
|
||
if (binding)
|
||
{
|
||
char *bp, eth[2] = "/";
|
||
char cardkey[256], ipaddress[256], netmask[256];
|
||
|
||
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, NULL,
|
||
(unsigned char *) ipaddress,
|
||
(size = 256, &size)) == ERROR_SUCCESS
|
||
&& RegQueryValueEx (key, "SubnetMask",
|
||
NULL, NULL,
|
||
(unsigned char *) netmask,
|
||
(size = 256, &size)) == ERROR_SUCCESS)
|
||
{
|
||
char *ip, *np;
|
||
char dhcpaddress[256], dhcpnetmask[256];
|
||
|
||
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
|
||
{
|
||
++*eth;
|
||
strcpy (ifr->ifr_name, "eth");
|
||
strcat (ifr->ifr_name, eth);
|
||
}
|
||
memset (&ifr->ifr_addr, '\0', sizeof ifr->ifr_addr);
|
||
if (cygwin_inet_addr (ip) == 0L
|
||
&& RegQueryValueEx (key, "DhcpIPAddress",
|
||
NULL, NULL,
|
||
(unsigned char *) dhcpaddress,
|
||
(size = 256, &size))
|
||
== ERROR_SUCCESS
|
||
&& RegQueryValueEx (key, "DhcpSubnetMask",
|
||
NULL, NULL,
|
||
(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);
|
||
}
|
||
|
||
/*
|
||
* IFCONF Windows 9x:
|
||
* HKLM/Enum/Network/MSTCP/"*"
|
||
* -> Value "Driver" enth<74>lt Subkey relativ zu
|
||
* HKLM/System/CurrentControlSet/Class/
|
||
* -> In Subkey "Bindings" die Values aufz<66>hlen
|
||
* -> Enth<74>lt Subkeys der Form "VREDIR\*"
|
||
* Das * ist ein Subkey relativ zu
|
||
* HKLM/System/CurrentControlSet/Class/Net/
|
||
* HKLM/System/CurrentControlSet/Class/"Driver"
|
||
* -> Value "IPAddress"
|
||
* -> Value "IPMask"
|
||
* HKLM/System/CurrentControlSet/Class/Net/"*"(aus "VREDIR\*")
|
||
* -> Wenn Value "AdapterName" == "MS$PPP" -> ppp interface
|
||
* -> Value "DriverDesc" enth<74>lt den Namen
|
||
*
|
||
*/
|
||
static void
|
||
get_9x_ifconf (struct ifconf *ifc, int what)
|
||
{
|
||
HKEY key;
|
||
unsigned long lip, lnp;
|
||
struct sockaddr_in *sa = NULL;
|
||
FILETIME update;
|
||
LONG res;
|
||
DWORD size;
|
||
int cnt = 1;
|
||
char ifname[256];
|
||
char eth[2] = "/";
|
||
char ppp[2] = "/";
|
||
|
||
/* Union maps buffer to correct struct */
|
||
struct ifreq *ifr = ifc->ifc_req;
|
||
|
||
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Enum\\Network\\MSTCP",
|
||
0, KEY_READ, &key) != ERROR_SUCCESS)
|
||
{
|
||
/* Set the correct length */
|
||
ifc->ifc_len = cnt * sizeof (struct ifreq);
|
||
return;
|
||
}
|
||
|
||
for (int i = 0;
|
||
(res = RegEnumKeyEx (key, i, ifname,
|
||
(size = sizeof ifname, &size),
|
||
0, 0, 0, &update)) != ERROR_NO_MORE_ITEMS;
|
||
++i)
|
||
{
|
||
HKEY ifkey, subkey;
|
||
char driver[256], classname[256], bindname[256], netname[256];
|
||
char adapter[256], ip[256], np[256];
|
||
|
||
if (res != ERROR_SUCCESS
|
||
|| RegOpenKeyEx (key, ifname, 0,
|
||
KEY_READ, &ifkey) != ERROR_SUCCESS)
|
||
continue;
|
||
|
||
if (RegQueryValueEx (ifkey, "Driver", 0,
|
||
NULL, (unsigned char *) driver,
|
||
(size = sizeof driver, &size)) != ERROR_SUCCESS)
|
||
{
|
||
RegCloseKey (ifkey);
|
||
continue;
|
||
}
|
||
|
||
strcpy (classname, "System\\CurrentControlSet\\Services\\Class\\");
|
||
strcat (classname, driver);
|
||
if ((res = RegOpenKeyEx (HKEY_LOCAL_MACHINE, classname,
|
||
0, KEY_READ, &subkey)) != ERROR_SUCCESS)
|
||
{
|
||
RegCloseKey (ifkey);
|
||
continue;
|
||
}
|
||
|
||
if (RegQueryValueEx (subkey, "IPAddress", 0,
|
||
NULL, (unsigned char *) ip,
|
||
(size = sizeof ip, &size)) == ERROR_SUCCESS
|
||
&& RegQueryValueEx (subkey, "IPMask", 0,
|
||
NULL, (unsigned char *) np,
|
||
(size = sizeof np, &size)) == ERROR_SUCCESS)
|
||
{
|
||
if ((caddr_t)++ifr > ifc->ifc_buf
|
||
+ ifc->ifc_len
|
||
- sizeof (struct ifreq))
|
||
goto out;
|
||
|
||
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;
|
||
}
|
||
|
||
RegCloseKey (subkey);
|
||
|
||
if (RegOpenKeyEx (ifkey, "Bindings",
|
||
0, KEY_READ, &subkey) != ERROR_SUCCESS)
|
||
{
|
||
RegCloseKey (ifkey);
|
||
--ifr;
|
||
continue;
|
||
}
|
||
|
||
for (int j = 0;
|
||
(res = RegEnumValue (subkey, j, bindname,
|
||
(size = sizeof bindname, &size),
|
||
0, NULL, NULL, NULL)) != ERROR_NO_MORE_ITEMS;
|
||
++j)
|
||
if (!strncasecmp (bindname, "VREDIR\\", 7))
|
||
break;
|
||
|
||
RegCloseKey (subkey);
|
||
|
||
if (res == ERROR_SUCCESS)
|
||
{
|
||
strcpy (netname, "System\\CurrentControlSet\\Services\\Class\\Net\\");
|
||
strcat (netname, bindname + 7);
|
||
|
||
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, netname,
|
||
0, KEY_READ, &subkey) != ERROR_SUCCESS)
|
||
{
|
||
RegCloseKey (ifkey);
|
||
--ifr;
|
||
continue;
|
||
}
|
||
|
||
if (RegQueryValueEx (subkey, "AdapterName", 0,
|
||
NULL, (unsigned char *) adapter,
|
||
(size = sizeof adapter, &size)) == ERROR_SUCCESS
|
||
&& !strcasecmp (adapter, "MS$PPP"))
|
||
{
|
||
++*ppp;
|
||
strcpy (ifr->ifr_name, "ppp");
|
||
strcat (ifr->ifr_name, ppp);
|
||
}
|
||
else
|
||
{
|
||
++*eth;
|
||
strcpy (ifr->ifr_name, "eth");
|
||
strcat (ifr->ifr_name, eth);
|
||
}
|
||
|
||
RegCloseKey (subkey);
|
||
|
||
}
|
||
|
||
RegCloseKey (ifkey);
|
||
|
||
++cnt;
|
||
}
|
||
|
||
out:
|
||
|
||
RegCloseKey (key);
|
||
|
||
/* Set the correct length */
|
||
ifc->ifc_len = cnt * sizeof (struct ifreq);
|
||
}
|
||
|
||
static int
|
||
get_ifconf (struct ifconf *ifc, int what)
|
||
{
|
||
unsigned long lip, lnp;
|
||
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;
|
||
|
||
OSVERSIONINFO os_version_info;
|
||
memset (&os_version_info, 0, sizeof os_version_info);
|
||
os_version_info.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
|
||
GetVersionEx (&os_version_info);
|
||
if (os_version_info.dwPlatformId != VER_PLATFORM_WIN32_NT)
|
||
get_9x_ifconf (ifc, what);
|
||
else if (os_version_info.dwMajorVersion <= 4)
|
||
get_nt_ifconf (ifc, what);
|
||
else
|
||
get_2k_ifconf (ifc, what);
|
||
|
||
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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
int res_fd = fdtab.find_unused_handle ();
|
||
if (res_fd == -1)
|
||
goto done;
|
||
|
||
if (fd2p)
|
||
{
|
||
*fd2p = fdtab.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 = set_socket_inheritance (res);
|
||
|
||
fdsock (res_fd, "/dev/tcp", res);
|
||
res = res_fd;
|
||
}
|
||
if (fd2p)
|
||
{
|
||
fd2s = set_socket_inheritance (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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
int res_fd = fdtab.find_unused_handle ();
|
||
if (res_fd == -1)
|
||
goto done;
|
||
res = rresvport (port);
|
||
|
||
if (res == (int) INVALID_SOCKET)
|
||
goto done;
|
||
else
|
||
{
|
||
res = set_socket_inheritance (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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
int res_fd = fdtab.find_unused_handle ();
|
||
if (res_fd == -1)
|
||
goto done;
|
||
if (fd2p)
|
||
{
|
||
*fd2p = fdtab.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 = set_socket_inheritance (res);
|
||
|
||
fdsock (res_fd, "/dev/tcp", res);
|
||
res = res_fd;
|
||
}
|
||
if (fd2p)
|
||
{
|
||
fd2s = set_socket_inheritance (fd2s);
|
||
fdsock (*fd2p, "/dev/tcp", fd2s);
|
||
}
|
||
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] = fdtab.find_unused_handle ();
|
||
if (sb[0] == -1)
|
||
{
|
||
set_errno (EMFILE);
|
||
goto done;
|
||
}
|
||
sb[1] = fdtab.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)
|
||
{
|
||
debug_printf ("first socket call failed");
|
||
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)
|
||
{
|
||
debug_printf ("bind failed");
|
||
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 ("second socket call failed");
|
||
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 = set_socket_inheritance (insock);
|
||
|
||
fdsock (sb[0], "/dev/tcp", insock);
|
||
|
||
outsock = set_socket_inheritance (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);
|
||
}
|
||
|
||
/* sethostent: standards? */
|
||
extern "C" void
|
||
sethostent (int)
|
||
{
|
||
}
|
||
|
||
/* endhostent: standards? */
|
||
extern "C" void
|
||
endhostent (void)
|
||
{
|
||
}
|
||
|
||
int
|
||
fhandler_socket::read (void *ptr, size_t len)
|
||
{
|
||
sigframe thisframe (mainthread);
|
||
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)
|
||
{
|
||
sigframe thisframe (mainthread);
|
||
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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
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;
|
||
sigframe thisframe (mainthread);
|
||
|
||
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;
|
||
}
|
||
|
||
extern "C" {
|
||
/* 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)
|
||
|
||
static void dummy_autoload (void) __attribute__ ((unused));
|
||
static void
|
||
dummy_autoload (void)
|
||
{
|
||
LoadDLLfunc (WSAAsyncSelect, 16, wsock32)
|
||
LoadDLLfunc (WSACleanup, 0, wsock32)
|
||
LoadDLLfunc (WSAGetLastError, 0, wsock32)
|
||
LoadDLLfunc (WSAStartup, 8, wsock32)
|
||
LoadDLLfunc (__WSAFDIsSet, 8, wsock32)
|
||
LoadDLLfunc (accept, 12, wsock32)
|
||
LoadDLLfunc (bind, 12, wsock32)
|
||
LoadDLLfunc (closesocket, 4, wsock32)
|
||
LoadDLLfunc (connect, 12, wsock32)
|
||
LoadDLLfunc (gethostbyaddr, 12, wsock32)
|
||
LoadDLLfunc (gethostbyname, 4, wsock32)
|
||
LoadDLLfunc (gethostname, 8, wsock32)
|
||
LoadDLLfunc (getpeername, 12, wsock32)
|
||
LoadDLLfunc (getprotobyname, 4, wsock32)
|
||
LoadDLLfunc (getprotobynumber, 4, wsock32)
|
||
LoadDLLfunc (getservbyname, 8, wsock32)
|
||
LoadDLLfunc (getservbyport, 8, wsock32)
|
||
LoadDLLfunc (getsockname, 12, wsock32)
|
||
LoadDLLfunc (getsockopt, 20, wsock32)
|
||
LoadDLLfunc (inet_addr, 4, wsock32)
|
||
LoadDLLfunc (inet_network, 4, wsock32)
|
||
LoadDLLfunc (inet_ntoa, 4, wsock32)
|
||
LoadDLLfunc (ioctlsocket, 12, wsock32)
|
||
LoadDLLfunc (listen, 8, wsock32)
|
||
LoadDLLfunc (rcmd, 24, wsock32)
|
||
LoadDLLfunc (recv, 16, wsock32)
|
||
LoadDLLfunc (recvfrom, 24, wsock32)
|
||
LoadDLLfunc (rexec, 24, wsock32)
|
||
LoadDLLfunc (rresvport, 4, wsock32)
|
||
LoadDLLfunc (select, 20, wsock32)
|
||
LoadDLLfunc (send, 16, wsock32)
|
||
LoadDLLfunc (sendto, 24, wsock32)
|
||
LoadDLLfunc (setsockopt, 20, wsock32)
|
||
LoadDLLfunc (shutdown, 8, wsock32)
|
||
LoadDLLfunc (socket, 12, wsock32)
|
||
}
|
||
}
|