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Diffstat (limited to 'nx-X11/lib/xtrans/Xtranssock.c.NX.original')
-rw-r--r--nx-X11/lib/xtrans/Xtranssock.c.NX.original3417
1 files changed, 0 insertions, 3417 deletions
diff --git a/nx-X11/lib/xtrans/Xtranssock.c.NX.original b/nx-X11/lib/xtrans/Xtranssock.c.NX.original
deleted file mode 100644
index 50b677057..000000000
--- a/nx-X11/lib/xtrans/Xtranssock.c.NX.original
+++ /dev/null
@@ -1,3417 +0,0 @@
-/* $XdotOrg: xc/lib/xtrans/Xtranssock.c,v 1.11 2005/11/08 06:33:26 jkj Exp $ */
-/* $Xorg: Xtranssock.c,v 1.11 2001/02/09 02:04:06 xorgcvs Exp $ */
-/*
-
-Copyright 1993, 1994, 1998 The Open Group
-Copyright 2002 Sun Microsystems, Inc. All rights reserved.
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the copyright holders shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from the copyright holders.
-
-*/
-/* $XFree86: xc/lib/xtrans/Xtranssock.c,v 3.68 2004/01/07 04:28:02 dawes Exp $ */
-
-/* Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name NCR not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. NCR makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
- * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
-/* */
-/* NX-X11, NX protocol compression and NX extensions to this software */
-/* are copyright of NoMachine. Redistribution and use of the present */
-/* software is allowed according to terms specified in the file LICENSE */
-/* which comes in the source distribution. */
-/* */
-/* Check http://www.nomachine.com/licensing.html for applicability. */
-/* */
-/* NX and NoMachine are trademarks of Medialogic S.p.A. */
-/* */
-/* All rights reserved. */
-/* */
-/**************************************************************************/
-
-#ifdef NX_TRANS_SOCKET
-
-#ifdef NX_TRANS_DEBUG
-#define XTRANSDEBUG 5
-#endif
-
-#ifndef PF_LOCAL
-#define PF_LOCAL PF_UNIX
-#endif
-
-#endif
-
-#include <ctype.h>
-#ifdef XTHREADS
-#include <X11/Xthreads.h>
-#endif
-
-#ifndef WIN32
-
-#if defined(TCPCONN) || defined(UNIXCONN)
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#endif
-
-#if defined(TCPCONN) || defined(UNIXCONN)
-#define X_INCLUDE_NETDB_H
-#define XOS_USE_NO_LOCKING
-#include <X11/Xos_r.h>
-#endif
-
-#ifdef UNIXCONN
-#ifndef X_NO_SYS_UN
-#ifndef Lynx
-#include <sys/un.h>
-#else
-#include <un.h>
-#endif
-#endif
-#include <sys/stat.h>
-#endif
-
-#if defined(hpux) || (defined(MOTOROLA) && defined(SYSV))
-#define NO_TCP_H
-#endif
-
-#ifndef NO_TCP_H
-#if defined(__osf__) || defined(linux) || defined(__GLIBC__) || defined(AIXV5)
-#include <sys/param.h>
-#endif /* osf */
-#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
-#include <sys/param.h>
-#include <machine/endian.h>
-#endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __DragonFly__ */
-#include <netinet/tcp.h>
-#endif /* !NO_TCP_H */
-
-#include <sys/ioctl.h>
-#if defined(SVR4) && !defined(DGUX) && !defined(_SEQUENT_)
-#include <sys/filio.h>
-#endif
-
-#if (defined(i386) && defined(SYSV)) && !defined(SCO325) && !defined(sun)
-#include <net/errno.h>
-#endif
-
-#if (defined(i386) && defined(SYSV)) && (!defined(ISC) || !defined(I_NREAD) || defined(SCO325)) || defined(_SEQUENT_)
-#include <sys/stropts.h>
-#endif
-
-#else /* !WIN32 */
-
-#include <X11/Xwinsock.h>
-#include <X11/Xwindows.h>
-#include <X11/Xw32defs.h>
-#undef close
-#define close closesocket
-#define ECONNREFUSED WSAECONNREFUSED
-#define EADDRINUSE WSAEADDRINUSE
-#define EPROTOTYPE WSAEPROTOTYPE
-#undef EWOULDBLOCK
-#define EWOULDBLOCK WSAEWOULDBLOCK
-#define EINPROGRESS WSAEINPROGRESS
-#undef EINTR
-#define EINTR WSAEINTR
-#define X_INCLUDE_NETDB_H
-#define XOS_USE_MTSAFE_NETDBAPI
-#include <X11/Xos_r.h>
-#endif /* WIN32 */
-
-#if defined(SO_DONTLINGER) && defined(SO_LINGER)
-#undef SO_DONTLINGER
-#endif
-
-#if defined(__UNIXOS2__)
-#if defined(NOT_EMX09A)
-static int IBMsockInit = 0;
-#define SocketInitOnce()\
- if (!IBMsockInit) {\
- sock_init();\
- IBMsockInit = 1;\
- }
-#undef EINTR
-#define EINTR SOCEINTR
-#undef EINVAL
-#define EINVAL SOCEINVAL
-#undef errno
-#define errno sock_errno()
-#undef close
-#define close soclose
-#undef ioctl
-#define ioctl sockioctl
-#else
-#define SocketInitOnce() /**/
-#endif
-/* this is still not there */
-#define SOCKET int
-#else
-/* others don't need this */
-#define SocketInitOnce() /**/
-#endif
-
-#define MIN_BACKLOG 128
-#ifdef SOMAXCONN
-#if SOMAXCONN > MIN_BACKLOG
-#define BACKLOG SOMAXCONN
-#endif
-#endif
-#ifndef BACKLOG
-#define BACKLOG MIN_BACKLOG
-#endif
-/*
- * This is the Socket implementation of the X Transport service layer
- *
- * This file contains the implementation for both the UNIX and INET domains,
- * and can be built for either one, or both.
- *
- */
-
-typedef struct _Sockettrans2dev {
- char *transname;
- int family;
- int devcotsname;
- int devcltsname;
- int protocol;
-} Sockettrans2dev;
-
-static Sockettrans2dev Sockettrans2devtab[] = {
-#ifdef TCPCONN
- {"inet",AF_INET,SOCK_STREAM,SOCK_DGRAM,0},
-#if !defined(IPv6) || !defined(AF_INET6)
- {"tcp",AF_INET,SOCK_STREAM,SOCK_DGRAM,0},
-#else /* IPv6 */
- {"tcp",AF_INET6,SOCK_STREAM,SOCK_DGRAM,0},
- {"tcp",AF_INET,SOCK_STREAM,SOCK_DGRAM,0}, /* fallback */
- {"inet6",AF_INET6,SOCK_STREAM,SOCK_DGRAM,0},
-#endif
-#endif /* TCPCONN */
-#ifdef UNIXCONN
- {"unix",AF_UNIX,SOCK_STREAM,SOCK_DGRAM,0},
-#if !defined(LOCALCONN)
- {"local",AF_UNIX,SOCK_STREAM,SOCK_DGRAM,0},
-#endif /* !LOCALCONN */
-#endif /* UNIXCONN */
-};
-
-#define NUMSOCKETFAMILIES (sizeof(Sockettrans2devtab)/sizeof(Sockettrans2dev))
-
-#ifdef TCPCONN
-static int TRANS(SocketINETClose) (XtransConnInfo ciptr);
-#endif
-
-#ifdef UNIXCONN
-
-#ifdef hpux
-
-#if defined(X11_t)
-#define UNIX_PATH "/usr/spool/sockets/X11/"
-#define UNIX_DIR "/usr/spool/sockets/X11"
-#define OLD_UNIX_PATH "/tmp/.X11-unix/X"
-#endif /* X11_t */
-#if defined(XIM_t)
-#define UNIX_PATH "/usr/spool/sockets/XIM/"
-#define UNIX_DIR "/usr/spool/sockets/XIM"
-#define OLD_UNIX_PATH "/tmp/.XIM-unix/XIM"
-#endif /* XIM_t */
-#if defined(FS_t) || defined(FONT_t)
-#define UNIX_PATH "/usr/spool/sockets/fontserv/"
-#define UNIX_DIR "/usr/spool/sockets/fontserv"
-#endif /* FS_t || FONT_t */
-#if defined(ICE_t)
-#define UNIX_PATH "/usr/spool/sockets/ICE/"
-#define UNIX_DIR "/usr/spool/sockets/ICE"
-#endif /* ICE_t */
-#if defined(TEST_t)
-#define UNIX_PATH "/usr/spool/sockets/xtrans_test/"
-#define UNIX_DIR "/usr/spool/sockets/xtrans_test"
-#endif
-#if defined(LBXPROXY_t)
-#define UNIX_PATH "/usr/spool/sockets/X11/"
-#define UNIX_DIR "/usr/spool/sockets/X11"
-#endif
-
-#else /* !hpux */
-
-#if defined(X11_t)
-#define UNIX_PATH "/tmp/.X11-unix/X"
-#define UNIX_DIR "/tmp/.X11-unix"
-#endif /* X11_t */
-#if defined(XIM_t)
-#define UNIX_PATH "/tmp/.XIM-unix/XIM"
-#define UNIX_DIR "/tmp/.XIM-unix"
-#endif /* XIM_t */
-#if defined(FS_t) || defined(FONT_t)
-#define UNIX_PATH "/tmp/.font-unix/fs"
-#define UNIX_DIR "/tmp/.font-unix"
-#endif /* FS_t || FONT_t */
-#if defined(ICE_t)
-#define UNIX_PATH "/tmp/.ICE-unix/"
-#define UNIX_DIR "/tmp/.ICE-unix"
-#endif /* ICE_t */
-#if defined(TEST_t)
-#define UNIX_PATH "/tmp/.Test-unix/test"
-#define UNIX_DIR "/tmp/.Test-unix"
-#endif
-#if defined(LBXPROXY_t)
-#define UNIX_PATH "/tmp/.X11-unix/X"
-#define UNIX_DIR "/tmp/.X11-unix"
-#endif
-
-#endif /* hpux */
-
-#endif /* UNIXCONN */
-
-#define PORTBUFSIZE 32
-
-#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 255
-#endif
-
-/*
- * This provides compatibility for apps linked against system libraries
- * that don't have IPv6 support.
- */
-#if defined(IPv6) && defined(AF_INET6)
-static const struct in6_addr local_in6addr_any = IN6ADDR_ANY_INIT;
-#pragma weak in6addr_any = local_in6addr_any
-#ifndef __USLC__
-#pragma weak getaddrinfo
-#endif
-static int haveIPv6 = 1;
-#endif
-
-#ifndef X11_t
-
-/*
- * No NX changes if this is not
- * compiled as a X11 transport.
- */
-
-#undef NX_TRANS_SOCKET
-
-#endif
-
-#ifdef NX_TRANS_SOCKET
-
-#ifdef TRANS_CLIENT
-
-#include "NX.h"
-
-typedef struct
-{
- XtransConnInfo info;
- int local;
- int remote;
- int congestion;
-
-} _NXProxyConnInfo;
-
-#define NX_PROXY_CONN_LIMIT 256
-
-static _NXProxyConnInfo *_NXProxyConnInfoTab[NX_PROXY_CONN_LIMIT];
-
-#endif /* #ifdef TRANS_CLIENT */
-
-/*
- * Override the UNIX_DIR and UNIX_PATH settings and
- * make them configurable, based on the NX_TEMP or
- * the TEMP environment.
- *
- * We must be careful as the same defines are used
- * for different directories, based on the subsystem
- * that is compiling this, while we want to override
- * only the '/tmp/.X11-unix' and '/tmp/.X11-unix/X'
- * settings.
- */
-
-static char _NXUnixDir[1024];
-static char _NXUnixPath[1024];
-
-static char *_NXGetUnixDir(char *dir)
-{
- const char *tempDir;
-
- PRMSG (3, "_NXGetUnixDir(%s)\n", dir, 0, 0);
-
- if (strcmp(dir, UNIX_DIR) != 0)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: Returning other Unix directory [%s].\n", dir);
-#endif
- return dir;
- }
-
- /*
- * Check the environment only once.
- */
-
- if (*_NXUnixDir != '\0')
- {
- return _NXUnixDir;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: Trying with the NX_TEMP environment.\n");
-#endif
-
- tempDir = getenv("NX_TEMP");
-
- if (tempDir == NULL || *tempDir == '\0')
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: Trying with the TEMP environment.\n");
-#endif
-
- tempDir = getenv("TEMP");
- }
-
- if (tempDir != NULL && *tempDir != '\0')
- {
- if (strlen(tempDir) + strlen("/.X11-unix") + 1 > 1024)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: WARNING! Maximum length of X11 Unix directory exceeded.\n");
-#endif
- goto _NXGetUnixDirError;
- }
-
- strcpy(_NXUnixDir, tempDir);
- strcat(_NXUnixDir, "/.X11-unix");
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: Using X11 Unix directory [%s].\n", _NXUnixDir);
-#endif
-
- return _NXUnixDir;
- }
-
-_NXGetUnixDirError:
-
- strcpy(_NXUnixDir, dir);
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixDir: Returning default X11 Unix directory [%s].\n", _NXUnixDir);
-#endif
-
- return _NXUnixDir;
-}
-
-static char *_NXGetUnixPath(char *path)
-{
- const char *unixDir;
-
- PRMSG (3, "_NXGetUnixPath(%s)\n", path, 0, 0);
-
- if (strcmp(path, UNIX_PATH) != 0)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixPath: Returning other X11 Unix path [%s].\n", path);
-#endif
- return path;
- }
-
- /*
- * Check the environment only once.
- */
-
- if (*_NXUnixPath != '\0')
- {
- return _NXUnixPath;
- }
-
- unixDir = _NXGetUnixDir(UNIX_DIR);
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixPath: Got X11 Unix directory [%s].\n", unixDir);
-#endif
-
- if (strlen(unixDir) + strlen("/X") + 1 > 1024)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixPath: WARNING! Maximum length of X11 Unix path exceeded.\n");
-#endif
-
- goto _NXGetUnixPathError;
- }
-
- strcpy(_NXUnixPath, unixDir);
- strcat(_NXUnixPath, "/X");
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixPath: Returning X11 Unix path [%s].\n", _NXUnixPath);
-#endif
-
- return _NXUnixPath;
-
-_NXGetUnixPathError:
-
- strcpy(_NXUnixPath, path);
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetUnixPath: Returning default X11 Unix path [%s].\n", _NXUnixPath);
-#endif
-
- return _NXUnixPath;
-}
-
-#ifdef hpux
-
-static char *_NXGetOldUnixPath(char *path)
-{
- PRMSG (3, "_NXGetOldUnixPath(%s)\n", path, 0, 0);
-
- if (strcmp(path, OLD_UNIX_PATH) == 0)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetOldUnixPath: Returning X11 Unix path [%s].\n",
- _NXGetUnixPath(path));
-#endif
-
- return _NXGetUnixPath(path);
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "_NXGetOldUnixPath: Returning other old X11 Unix path [%s].\n", path);
-#endif
-
- return path;
-}
-
-#endif /* #ifdef hpux */
-
-/*
- * Forcibly close any connection attempt on the
- * listening socket. Need this to avoid loopback
- * connections to the agent server.
- */
-
-#ifdef TRANS_SERVER
-
-void TRANS(SocketRejectConnection) (XtransConnInfo ciptr)
-{
- size_t sa_l = sizeof(struct sockaddr);
- struct sockaddr sa;
- fd_set fs;
- struct timeval t;
- int f;
-
- PRMSG (3, "SocketRejectConnection(%x)\n", ciptr, 0, 0);
-
- FD_ZERO(&fs);
- FD_SET(ciptr -> fd, &fs);
-
- t.tv_sec = 0;
- t.tv_usec = 0;
-
- /*
- * Check if there is an awaiting connection.
- */
-
- if (select(ciptr -> fd + 1, &fs, NULL, NULL, &t) == 1)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketRejectConnection: Accepting connection attempt on fd [%d].\n",
- ciptr -> fd);
-#endif
- /*
- * If there is one, close it.
- */
-
- if ((f = accept(ciptr -> fd, &sa, &sa_l)) >= 0)
- {
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketRejectConnection: Closing connection attempt on fd [%d].\n",
- ciptr -> fd);
-#endif
- close(f);
- }
- }
-}
-
-#endif /* #ifdef TRANS_SERVER */
-
-#ifdef TRANS_CLIENT
-
-void *TRANS(SocketProxyConnInfo) (XtransConnInfo ciptr)
-{
- if (_NXProxyConnInfoTab[ciptr->fd] != NULL)
- {
- return ciptr->priv;
- }
-
- return NULL;
-}
-
-static XtransConnInfo TRANS(SocketCreateConnInfo) ()
-{
- XtransConnInfo ciptr;
-
- int fds[2];
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCreateConnInfo: Going to create the NX connection info.\n");
-#endif
-
- if ((ciptr = (XtransConnInfo) xcalloc (1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketCreateConnInfo: malloc failed\n", 0, 0, 0);
- return NULL;
- }
-
- /*
- * Create a pair of sockets. We'll communicate with
- * the NX proxy by reading and writing to our end.
- */
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCreateConnInfo: Going to create the NX socketpair.\n");
-#endif
-
- if (socketpair(PF_LOCAL, SOCK_STREAM, 0, fds) < 0)
- {
- PRMSG (1, "SocketCreateConnInfo: socketpair() failed.\n", 0, 0, 0);
- xfree ((char *) ciptr);
- return NULL;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCreateConnInfo: X socket end is [%d] NX proxy end is [%d].\n",
- fds[0], fds[1]);
-#endif
-
- /*
- * Save in _NXProxyConnInfoTab the local and remote end of
- * the socketpair. The remote end will be used by the proxy.
- * When the memory-to-memory transport is activated, the
- * agent and the proxy don't read or write to the real des-
- * criptors but the communication takes place by reading
- * and writing to the proxy's buffers.
- */
-
- ciptr->fd = fds[0];
-
- if (ciptr->fd >= NX_PROXY_CONN_LIMIT)
- {
- PRMSG (1, "SocketCreateConnInfo: No space for a new _NXProxyConnInfo for [%d].\n",
- ciptr->fd, 0, 0);
- xfree ((char *) ciptr);
- return NULL;
- }
- else if (_NXProxyConnInfoTab[ciptr->fd] != NULL)
- {
- PRMSG (1, "SocketCreateConnInfo: _NXProxyConnInfo for [%d] is not NULL. Exiting.\n",
- ciptr->fd, 0, 0);
- exit(1);
- }
-
- _NXProxyConnInfoTab[ciptr->fd] = (_NXProxyConnInfo *) xcalloc(1, sizeof(_NXProxyConnInfo));
-
- if (_NXProxyConnInfoTab[ciptr->fd] == NULL)
- {
- PRMSG (1, "SocketCreateConnInfo: Alloc of _NXProxyConnInfo failed.\n", 0, 0, 0);
- xfree ((char *) ciptr);
- return NULL;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCreateConnInfo: Allocated new _NXProxyConnInfo for [%d].\n",
- ciptr->fd);
-#endif
-
- _NXProxyConnInfoTab[ciptr->fd]->info = ciptr;
- _NXProxyConnInfoTab[ciptr->fd]->local = fds[0];
- _NXProxyConnInfoTab[ciptr->fd]->remote = fds[1];
- _NXProxyConnInfoTab[ciptr->fd]->congestion = 0;
-
- ciptr->priv = (char *) _NXProxyConnInfoTab[ciptr->fd];
-
- return ciptr;
-}
-
-static int TRANS(SocketConnectConnInfo) (XtransConnInfo ciptr, char *host, char *port)
-{
- int fds[2];
- char display[1024];
-
- _NXProxyConnInfo *proxy_conn;
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketConnectConnInfo: Going to connect NX fd [%d] to host [%s] port [%s].\n",
- ciptr->fd, host, port);
-#endif
-
- /*
- * We should have already created the socket pair.
- */
-
- proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
-
- if (proxy_conn == NULL)
- {
- PRMSG (1, "SocketConnectConnInfo: Pointer to _NXProxyConnInfo is NULL. Exiting.\n", 0, 0, 0);
-
- exit(1);
- }
- else if (_NXProxyConnInfoTab[ciptr->fd] != (_NXProxyConnInfo *) ciptr->priv)
- {
- PRMSG (1, "SocketConnectConnInfo: Can't find _NXProxyConnInfo in table. Exiting.\n",
- 0, 0, 0);
-
- exit(1);
- }
-
- if (strlen(host) + strlen(port) + 1 >= 1023)
- {
- PRMSG (1, "SocketConnectConnInfo: Length of NX display string '%s:%s' would exceed %d characters.\n",
- host, port, 1023);
-
- return TRANS_CONNECT_FAILED;
- }
-
- sprintf(display, "%s:%s", host, port);
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketConnectConnInfo: Setting close-on-exec flag on local NX descriptor [%d].\n",
- proxy_conn -> local);
-#endif
-
-#ifdef F_SETFD
-#ifdef FD_CLOEXEC
- if (fcntl(proxy_conn -> local, F_SETFD, FD_CLOEXEC) != 0)
-#else
- if (fcntl(proxy_conn -> local, F_SETFD, 1) != 0)
-#endif
-#endif
- {
- PRMSG (1, "SocketConnectConnInfo: Cannot set close-on-exec on local NX descriptor [%d].\n",
- proxy_conn -> local, 0, 0);
-
- return TRANS_CONNECT_FAILED;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketConnectConnInfo: Creating the NX transport with display [%s].\n",
- display);
-#endif
-
- if (NXTransCreate(NX_FD_ANY, NX_MODE_CLIENT, display) < 0)
- {
- PRMSG (1, "SocketConnectConnInfo: Cannot create the NX transport.\n",
- 0, 0, 0);
-
- return TRANS_CONNECT_FAILED;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketConnectConnInfo: Starting the NX agent with descriptor [%d].\n",
- proxy_conn -> remote);
-#endif
-
- fds[0] = proxy_conn -> local;
- fds[1] = proxy_conn -> remote;
-
- NXTransAgent(fds);
-
- return 0;
-}
-
-static void TRANS(SocketCloseConnInfo) (XtransConnInfo ciptr)
-{
- _NXProxyConnInfo *proxy_conn;
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCloseConnInfo: Going to close the NX fd [%d].\n", ciptr->fd);
-#endif
-
- proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
-
- if (proxy_conn == NULL)
- {
- PRMSG (1, "SocketCloseConnInfo: Pointer to _NXProxyConnInfo is NULL. Exiting.\n", 0, 0, 0);
-
- exit(1);
- }
- else if (ciptr->fd >= NX_PROXY_CONN_LIMIT ||
- _NXProxyConnInfoTab[ciptr->fd] != (_NXProxyConnInfo *) ciptr->priv)
- {
- PRMSG (1, "SocketCloseConnInfo: Can't find _NXProxyConnInfo in table. Exiting.\n",
- 0, 0, 0);
- exit(1);
- }
- else if (_NXProxyConnInfoTab[ciptr->fd] -> info != ciptr ||
- _NXProxyConnInfoTab[ciptr->fd] -> local != ciptr->fd)
- {
- PRMSG (1, "SocketCloseConnInfo: Invalid _NXProxyConnInfo structure for [%d]. Exiting.\n",
- ciptr->fd, 0, 0);
- exit(1);
- }
- else if (proxy_conn->local < 0 || proxy_conn->remote < 0)
- {
- PRMSG (1, "SocketCloseConnInfo: Invalid socket pair in NX connection for [%d]. Exiting.\n",
- ciptr->fd, 0, 0);
- exit(1);
- }
-
- NXTransClose(ciptr->fd);
-
- /*
- * Get rid of the _NXProxyConnInfo structure.
- */
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCloseConnInfo: Freeing _NXProxyConnInfo structure for [%d].\n",
- ciptr->fd);
-#endif
-
- xfree((char *) _NXProxyConnInfoTab[ciptr->fd]);
-
- _NXProxyConnInfoTab[ciptr->fd] = NULL;
-
- ciptr->priv = NULL;
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCloseConnInfo: Should now close the local descriptor [%d].\n",
- ciptr->fd);
-#endif
-}
-
-#endif /* #ifdef TRANS_CLIENT */
-
-#if defined(TRANS_CLIENT) && defined(NX_TRANS_CHANGE)
-
-/*
- * Check the congestion state of the NX transport
- * and return 1 if there has been a change. This
- * can be extended by adding a few counters track-
- * ing the bandwidth usage of the X11 connection.
- */
-
-int TRANS(SocketCongestionChange) (XtransConnInfo ciptr, int *state)
-{
- int congestion;
-
- _NXProxyConnInfo *proxy_conn;
-
- PRMSG (3, "SocketCongestionChange(%x)\n", ciptr, 0, 0);
-
- proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
-
- if (proxy_conn == NULL)
- {
-#ifdef NX_TRANS_DEBUG
- fprintf(stderr, "SocketCongestionChange: Descriptor [%d] doesn't appear to be a NX connection.\n",
- ciptr->fd);
-#endif
- return 0;
- }
-
-#ifdef NX_TRANS_DEBUG
- fprintf(stderr, "SocketCongestionChange: Checking congestion on fd [%d] with old state [%d].\n",
- ciptr->fd, proxy_conn->congestion);
-#endif
-
- congestion = NXTransCongestion(ciptr->fd);
-
- if (congestion != proxy_conn->congestion)
- {
- proxy_conn->congestion = congestion;
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCongestionChange: Change detected on fd [%d] with new state [%d].\n",
- ciptr->fd, proxy_conn->congestion);
-#endif
- return 1;
- }
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketCongestionChange: No change on fd [%d] with current state [%d].\n",
- ciptr->fd, congestion);
-#endif
- return 0;
-}
-
-#endif /* #if defined(TRANS_CLIENT) && defined(NX_TRANS_CHANGE) */
-
-#endif /* #ifdef NX_TRANS_SOCKET */
-
-/*
- * These are some utility function used by the real interface function below.
- */
-
-static int
-TRANS(SocketSelectFamily) (int first, char *family)
-
-{
- int i;
-
- PRMSG (3,"SocketSelectFamily(%s)\n", family, 0, 0);
-
- for (i = first + 1; i < NUMSOCKETFAMILIES;i++)
- {
- if (!strcmp (family, Sockettrans2devtab[i].transname))
- return i;
- }
-
- return (first == -1 ? -2 : -1);
-}
-
-
-/*
- * This function gets the local address of the socket and stores it in the
- * XtransConnInfo structure for the connection.
- */
-
-static int
-TRANS(SocketINETGetAddr) (XtransConnInfo ciptr)
-
-{
-#if defined(IPv6) && defined(AF_INET6)
- struct sockaddr_storage socknamev6;
-#endif
- struct sockaddr_in socknamev4;
- void *socknamePtr;
-#if defined(SVR4) || defined(__SCO__)
- size_t namelen;
-#else
- int namelen;
-#endif
-
- PRMSG (3,"SocketINETGetAddr(%p)\n", ciptr, 0, 0);
-
-#if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6)
- {
- namelen = sizeof(socknamev6);
- socknamePtr = &socknamev6;
- }
- else
-#endif
- {
- namelen = sizeof(socknamev4);
- socknamePtr = &socknamev4;
- }
-
- if (getsockname (ciptr->fd,(struct sockaddr *) socknamePtr,
- (void *)&namelen) < 0)
- {
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- PRMSG (1,"SocketINETGetAddr: getsockname() failed: %d\n",
- EGET(),0, 0);
- return -1;
- }
-
- /*
- * Everything looks good: fill in the XtransConnInfo structure.
- */
-
- if ((ciptr->addr = (char *) xalloc (namelen)) == NULL)
- {
- PRMSG (1,
- "SocketINETGetAddr: Can't allocate space for the addr\n",
- 0, 0, 0);
- return -1;
- }
-
-#if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6)
- {
- ciptr->family = ((struct sockaddr *)socknamePtr)->sa_family;
- }
- else
-#endif
- {
- ciptr->family = socknamev4.sin_family;
- }
- ciptr->addrlen = namelen;
- memcpy (ciptr->addr, socknamePtr, ciptr->addrlen);
-
- return 0;
-}
-
-
-/*
- * This function gets the remote address of the socket and stores it in the
- * XtransConnInfo structure for the connection.
- */
-
-static int
-TRANS(SocketINETGetPeerAddr) (XtransConnInfo ciptr)
-
-{
-#if defined(IPv6) && defined(AF_INET6)
- struct sockaddr_storage socknamev6;
-#endif
- struct sockaddr_in socknamev4;
- void *socknamePtr;
-#if defined(SVR4) || defined(__SCO__)
- size_t namelen;
-#else
- int namelen;
-#endif
-
-#if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6 && ciptr->family == AF_INET6)
- {
- namelen = sizeof(socknamev6);
- socknamePtr = &socknamev6;
- }
- else
-#endif
- {
- namelen = sizeof(socknamev4);
- socknamePtr = &socknamev4;
- }
-
- PRMSG (3,"SocketINETGetPeerAddr(%p)\n", ciptr, 0, 0);
-
- if (getpeername (ciptr->fd, (struct sockaddr *) socknamePtr,
- (void *)&namelen) < 0)
- {
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- PRMSG (1,"SocketINETGetPeerAddr: getpeername() failed: %d\n",
- EGET(), 0, 0);
- return -1;
- }
-
- /*
- * Everything looks good: fill in the XtransConnInfo structure.
- */
-
- if ((ciptr->peeraddr = (char *) xalloc (namelen)) == NULL)
- {
- PRMSG (1,
- "SocketINETGetPeerAddr: Can't allocate space for the addr\n",
- 0, 0, 0);
- return -1;
- }
-
- ciptr->peeraddrlen = namelen;
- memcpy (ciptr->peeraddr, socknamePtr, ciptr->peeraddrlen);
-
- return 0;
-}
-
-
-static XtransConnInfo
-TRANS(SocketOpen) (int i, int type)
-
-{
- XtransConnInfo ciptr;
-
- PRMSG (3,"SocketOpen(%d,%d)\n", i, type, 0);
-
-#if defined(IPv6) && defined(AF_INET6)
- if (getaddrinfo == NULL)
- haveIPv6 = 0;
-
- if (!haveIPv6 && Sockettrans2devtab[i].family == AF_INET6)
- return NULL;
-#endif
-
- if ((ciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketOpen: malloc failed\n", 0, 0, 0);
- return NULL;
- }
-
- if ((ciptr->fd = socket(Sockettrans2devtab[i].family, type,
- Sockettrans2devtab[i].protocol)) < 0
-#ifndef WIN32
-#if (defined(X11_t) && !defined(USE_POLL)) || defined(FS_t) || defined(FONT_t)
- || ciptr->fd >= TRANS_OPEN_MAX
-#endif
-#endif
- ) {
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- PRMSG (2, "SocketOpen: socket() failed for %s\n",
- Sockettrans2devtab[i].transname, 0, 0);
-
- xfree ((char *) ciptr);
- return NULL;
- }
-
-#ifdef TCP_NODELAY
- if (Sockettrans2devtab[i].family == AF_INET
-#if defined(IPv6) && defined(AF_INET6)
- || Sockettrans2devtab[i].family == AF_INET6
-#endif
- )
- {
- /*
- * turn off TCP coalescence for INET sockets
- */
-
- int tmp = 1;
- setsockopt (ciptr->fd, IPPROTO_TCP, TCP_NODELAY,
- (char *) &tmp, sizeof (int));
- }
-#endif
-
- return ciptr;
-}
-
-
-#ifdef TRANS_REOPEN
-
-static XtransConnInfo
-TRANS(SocketReopen) (int i, int type, int fd, char *port)
-
-{
- XtransConnInfo ciptr;
-
- PRMSG (3,"SocketReopen(%d,%d,%s)\n", type, fd, port);
-
- if ((ciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketReopen: malloc failed\n", 0, 0, 0);
- return NULL;
- }
-
- ciptr->fd = fd;
-
- return ciptr;
-}
-
-#endif /* TRANS_REOPEN */
-
-
-/*
- * These functions are the interface supplied in the Xtransport structure
- */
-
-#ifdef TRANS_CLIENT
-
-static XtransConnInfo
-TRANS(SocketOpenCOTSClientBase) (char *transname, char *protocol,
- char *host, char *port, int previndex)
-{
- XtransConnInfo ciptr;
- int i = previndex;
-
- PRMSG (2, "SocketOpenCOTSClient(%s,%s,%s)\n",
- protocol, host, port);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, transname)) >= 0) {
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if ((!strcmp(protocol, "local") || !strcmp(protocol, "nx")) &&
- (!strcasecmp(host, "nx") || !strncasecmp(host, "nx,", 3)))
- {
- ciptr = TRANS(SocketCreateConnInfo) ();
-
- if (ciptr == NULL)
- {
- PRMSG (1, "SocketOpenCOTSClient: Unable to create the NX connection info for %s.\n",
- transname, 0, 0);
-
- return NULL;
- }
-
- ciptr->index = i;
-
- return ciptr;
- }
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
- if ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCOTSClient: Unable to open socket for %s\n",
- transname, 0, 0);
- else
- PRMSG (1,"SocketOpenCOTSClient: Unable to determine socket type for %s\n",
- transname, 0, 0);
- return NULL;
- }
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- ciptr->priv = NULL;
-
-#endif
-
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-static XtransConnInfo
-TRANS(SocketOpenCOTSClient) (Xtransport *thistrans, char *protocol,
- char *host, char *port)
-{
- return TRANS(SocketOpenCOTSClientBase)(
- thistrans->TransName, protocol, host, port, -1);
-}
-
-
-#endif /* TRANS_CLIENT */
-
-
-#ifdef TRANS_SERVER
-
-static XtransConnInfo
-TRANS(SocketOpenCOTSServer) (Xtransport *thistrans, char *protocol,
- char *host, char *port)
-
-{
- XtransConnInfo ciptr;
- int i = -1;
-
- PRMSG (2,"SocketOpenCOTSServer(%s,%s,%s)\n", protocol, host, port);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
- if ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCOTSServer: Unable to open socket for %s\n",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCOTSServer: Unable to determine socket type for %s\n",
- thistrans->TransName, 0, 0);
- return NULL;
- }
-
- /*
- * Using this prevents the bind() check for an existing server listening
- * on the same port, but it is required for other reasons.
- */
-#ifdef SO_REUSEADDR
-
- /*
- * SO_REUSEADDR only applied to AF_INET && AF_INET6
- */
-
- if (Sockettrans2devtab[i].family == AF_INET
-#if defined(IPv6) && defined(AF_INET6)
- || Sockettrans2devtab[i].family == AF_INET6
-#endif
- )
- {
- int one = 1;
- setsockopt (ciptr->fd, SOL_SOCKET, SO_REUSEADDR,
- (char *) &one, sizeof (int));
- }
-#endif
-#ifdef IPV6_V6ONLY
- if (Sockettrans2devtab[i].family == AF_INET6)
- {
- int one = 1;
- setsockopt(ciptr->fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(int));
- }
-#endif
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-#endif /* TRANS_SERVER */
-
-
-#ifdef TRANS_CLIENT
-
-static XtransConnInfo
-TRANS(SocketOpenCLTSClient) (Xtransport *thistrans, char *protocol,
- char *host, char *port)
-
-{
- XtransConnInfo ciptr;
- int i = -1;
-
- PRMSG (2,"SocketOpenCLTSClient(%s,%s,%s)\n", protocol, host, port);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if ((!strcmp(protocol, "local") || !strcmp(protocol, "nx")) &&
- (!strcasecmp(host, "nx") || !strncasecmp(host, "nx,", 3)))
- {
- ciptr = TRANS(SocketCreateConnInfo) ();
-
- if (ciptr == NULL)
- {
- PRMSG (1, "SocketOpenCLTSClient: Unable to create the NX connection info for %s.\n",
- thistrans->TransName, 0, 0);
-
- return NULL;
- }
-
- ciptr->index = i;
-
- return ciptr;
- }
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
- if ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCLTSClient: Unable to open socket for %s\n",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCLTSClient: Unable to determine socket type for %s\n",
- thistrans->TransName, 0, 0);
- return NULL;
- }
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- ciptr->priv = NULL;
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-#endif /* TRANS_CLIENT */
-
-
-#ifdef TRANS_SERVER
-
-static XtransConnInfo
-TRANS(SocketOpenCLTSServer) (Xtransport *thistrans, char *protocol,
- char *host, char *port)
-
-{
- XtransConnInfo ciptr;
- int i = -1;
-
- PRMSG (2,"SocketOpenCLTSServer(%s,%s,%s)\n", protocol, host, port);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
- if ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCLTSServer: Unable to open socket for %s\n",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCLTSServer: Unable to determine socket type for %s\n",
- thistrans->TransName, 0, 0);
- return NULL;
- }
-
-#ifdef IPV6_V6ONLY
- if (Sockettrans2devtab[i].family == AF_INET6)
- {
- int one = 1;
- setsockopt(ciptr->fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(int));
- }
-#endif
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-#endif /* TRANS_SERVER */
-
-
-#ifdef TRANS_REOPEN
-
-static XtransConnInfo
-TRANS(SocketReopenCOTSServer) (Xtransport *thistrans, int fd, char *port)
-
-{
- XtransConnInfo ciptr;
- int i = -1;
-
- PRMSG (2,
- "SocketReopenCOTSServer(%d, %s)\n", fd, port, 0);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
- if ((ciptr = TRANS(SocketReopen) (
- i, Sockettrans2devtab[i].devcotsname, fd, port)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketReopenCOTSServer: Unable to open socket for %s\n",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketReopenCOTSServer: Unable to determine socket type for %s\n",
- thistrans->TransName, 0, 0);
- return NULL;
- }
-
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-static XtransConnInfo
-TRANS(SocketReopenCLTSServer) (Xtransport *thistrans, int fd, char *port)
-
-{
- XtransConnInfo ciptr;
- int i = -1;
-
- PRMSG (2,
- "SocketReopenCLTSServer(%d, %s)\n", fd, port, 0);
-
- SocketInitOnce();
-
- while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
- if ((ciptr = TRANS(SocketReopen) (
- i, Sockettrans2devtab[i].devcotsname, fd, port)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketReopenCLTSServer: Unable to open socket for %s\n",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketReopenCLTSServer: Unable to determine socket type for %s\n",
- thistrans->TransName, 0, 0);
- return NULL;
- }
-
- /* Save the index for later use */
-
- ciptr->index = i;
-
- return ciptr;
-}
-
-#endif /* TRANS_REOPEN */
-
-
-static int
-TRANS(SocketSetOption) (XtransConnInfo ciptr, int option, int arg)
-
-{
- PRMSG (2,"SocketSetOption(%d,%d,%d)\n", ciptr->fd, option, arg);
-
-#ifdef NX_TRANS_TEST
- fprintf(stderr, "SocketSetOption: WARNING! Not setting option [%d] with value [%d] on descriptor [%d].\n",
- option, arg, ciptr -> fd);
-#endif
-
- return -1;
-}
-
-#ifdef UNIXCONN
-static int
-set_sun_path(const char *port, const char *upath, char *path)
-{
- struct sockaddr_un s;
- int maxlen = sizeof(s.sun_path) - 1;
-
- if (!port || !*port || !path)
- return -1;
-
- if (*port == '/') { /* a full pathname */
- if (strlen(port) > maxlen)
- return -1;
- sprintf(path, "%s", port);
- } else {
- if (strlen(port) + strlen(upath) > maxlen)
- return -1;
- sprintf(path, "%s%s", upath, port);
- }
- return 0;
-}
-#endif
-
-#ifdef TRANS_SERVER
-
-static int
-TRANS(SocketCreateListener) (XtransConnInfo ciptr,
- struct sockaddr *sockname,
- int socknamelen, unsigned int flags)
-
-{
- int namelen = socknamelen;
- int fd = ciptr->fd;
- int retry;
-
- PRMSG (3, "SocketCreateListener(%x,%p)\n", ciptr, fd, 0);
-
- if (Sockettrans2devtab[ciptr->index].family == AF_INET
-#if defined(IPv6) && defined(AF_INET6)
- || Sockettrans2devtab[ciptr->index].family == AF_INET6
-#endif
- )
- retry = 20;
- else
- retry = 0;
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "SocketCreateListener: Creating listener for ciptr at [%p] on path [%s].\n",
- (void *) ciptr, ((struct sockaddr_un *) sockname)->sun_family == AF_UNIX ?
- ((struct sockaddr_un *) sockname)->sun_path : "TCP");
-#endif
- while (bind (fd, (struct sockaddr *) sockname, namelen) < 0)
- {
- if (errno == EADDRINUSE) {
- if (flags & ADDR_IN_USE_ALLOWED)
- break;
- else
- return TRANS_ADDR_IN_USE;
- }
-
- if (retry-- == 0) {
- PRMSG (1, "SocketCreateListener: failed to bind listener\n",
- 0, 0, 0);
- close (fd);
- return TRANS_CREATE_LISTENER_FAILED;
- }
-#ifdef SO_REUSEADDR
- sleep (1);
-#else
- sleep (10);
-#endif /* SO_REUSEDADDR */
- }
-
- if (Sockettrans2devtab[ciptr->index].family == AF_INET
-#if defined(IPv6) && defined(AF_INET6)
- || Sockettrans2devtab[ciptr->index].family == AF_INET6
-#endif
- ) {
-#ifdef SO_DONTLINGER
- setsockopt (fd, SOL_SOCKET, SO_DONTLINGER, (char *) NULL, 0);
-#else
-#ifdef SO_LINGER
- {
- static int linger[2] = { 0, 0 };
- setsockopt (fd, SOL_SOCKET, SO_LINGER,
- (char *) linger, sizeof (linger));
- }
-#endif
-#endif
-}
-
- if (listen (fd, BACKLOG) < 0)
- {
- PRMSG (1, "SocketCreateListener: listen() failed\n", 0, 0, 0);
- close (fd);
- return TRANS_CREATE_LISTENER_FAILED;
- }
-
- /* Set a flag to indicate that this connection is a listener */
-
- ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS);
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "SocketCreateListener: Set flags to [%d] for ciptr [%p].\n",
- ciptr->flags, (void *) ciptr);
-#endif
-
- return 0;
-}
-
-#ifdef TCPCONN
-static int
-TRANS(SocketINETCreateListener) (XtransConnInfo ciptr, char *port, unsigned int flags)
-
-{
-#if defined(IPv6) && defined(AF_INET6)
- struct sockaddr_storage sockname;
-#else
- struct sockaddr_in sockname;
-#endif
- unsigned short sport;
- int namelen = sizeof(sockname);
- int status;
- long tmpport;
-#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
- _Xgetservbynameparams sparams;
-#endif
- struct servent *servp;
-
-#ifdef X11_t
- char portbuf[PORTBUFSIZE];
-#endif
-
- PRMSG (2, "SocketINETCreateListener(%s)\n", port, 0, 0);
-
-#ifdef X11_t
- /*
- * X has a well known port, that is transport dependent. It is easier
- * to handle it here, than try and come up with a transport independent
- * representation that can be passed in and resolved the usual way.
- *
- * The port that is passed here is really a string containing the idisplay
- * from ConnectDisplay().
- */
-
- if (is_numeric (port))
- {
- /* fixup the server port address */
- tmpport = X_TCP_PORT + strtol (port, (char**)NULL, 10);
- sprintf (portbuf,"%lu", tmpport);
- port = portbuf;
- }
-#endif
-
- if (port && *port)
- {
- /* Check to see if the port string is just a number (handles X11) */
-
- if (!is_numeric (port))
- {
- if ((servp = _XGetservbyname (port,"tcp",sparams)) == NULL)
- {
- PRMSG (1,
- "SocketINETCreateListener: Unable to get service for %s\n",
- port, 0, 0);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- /* we trust getservbyname to return a valid number */
- sport = servp->s_port;
- }
- else
- {
- tmpport = strtol (port, (char**)NULL, 10);
- /*
- * check that somehow the port address isn't negative or in
- * the range of reserved port addresses. This can happen and
- * be very bad if the server is suid-root and the user does
- * something (dumb) like `X :60049`.
- */
- if (tmpport < 1024 || tmpport > USHRT_MAX)
- return TRANS_CREATE_LISTENER_FAILED;
-
- sport = (unsigned short) tmpport;
- }
- }
- else
- sport = 0;
-
- bzero(&sockname, sizeof(sockname));
-#if defined(IPv6) && defined(AF_INET6)
- if (Sockettrans2devtab[ciptr->index].family == AF_INET) {
- namelen = sizeof (struct sockaddr_in);
-#ifdef BSD44SOCKETS
- ((struct sockaddr_in *)&sockname)->sin_len = namelen;
-#endif
- ((struct sockaddr_in *)&sockname)->sin_family = AF_INET;
- ((struct sockaddr_in *)&sockname)->sin_port = htons(sport);
- ((struct sockaddr_in *)&sockname)->sin_addr.s_addr = htonl(INADDR_ANY);
- } else {
- namelen = sizeof (struct sockaddr_in6);
-#ifdef SIN6_LEN
- ((struct sockaddr_in6 *)&sockname)->sin6_len = sizeof(sockname);
-#endif
- ((struct sockaddr_in6 *)&sockname)->sin6_family = AF_INET6;
- ((struct sockaddr_in6 *)&sockname)->sin6_port = htons(sport);
- ((struct sockaddr_in6 *)&sockname)->sin6_addr = in6addr_any;
- }
-#else
-#ifdef BSD44SOCKETS
- sockname.sin_len = sizeof (sockname);
-#endif
- sockname.sin_family = AF_INET;
- sockname.sin_port = htons (sport);
- sockname.sin_addr.s_addr = htonl (INADDR_ANY);
-#endif
-
- if ((status = TRANS(SocketCreateListener) (ciptr,
- (struct sockaddr *) &sockname, namelen, flags)) < 0)
- {
- PRMSG (1,
- "SocketINETCreateListener: ...SocketCreateListener() failed\n",
- 0, 0, 0);
- return status;
- }
-
- if (TRANS(SocketINETGetAddr) (ciptr) < 0)
- {
- PRMSG (1,
- "SocketINETCreateListener: ...SocketINETGetAddr() failed\n",
- 0, 0, 0);
- return TRANS_CREATE_LISTENER_FAILED;
- }
-
- return 0;
-}
-
-#endif /* SOCKCONN */
-
-
-#ifdef UNIXCONN
-
-static int
-TRANS(SocketUNIXCreateListener) (XtransConnInfo ciptr, char *port,
- unsigned int flags)
-
-{
- struct sockaddr_un sockname;
- int namelen;
- int oldUmask;
- int status;
- unsigned int mode;
-
- PRMSG (2, "SocketUNIXCreateListener(%s)\n",
- port ? port : "NULL", 0, 0);
-
- /* Make sure the directory is created */
-
- oldUmask = umask (0);
-
-#ifdef UNIX_DIR
-#ifdef HAS_STICKY_DIR_BIT
- mode = 01777;
-#else
- mode = 0777;
-#endif
-#ifdef NX_TRANS_SOCKET
- if (trans_mkdir(_NXGetUnixDir(UNIX_DIR), mode) == -1) {
- PRMSG (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %d\n",
- _NXGetUnixDir(UNIX_DIR), errno, 0);
-#else
- if (trans_mkdir(UNIX_DIR, mode) == -1) {
- PRMSG (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %d\n",
- UNIX_DIR, errno, 0);
-#endif
- (void) umask (oldUmask);
- return TRANS_CREATE_LISTENER_FAILED;
- }
-#endif
-
- sockname.sun_family = AF_UNIX;
-
- if (port && *port) {
-#ifdef NX_TRANS_SOCKET
- if (set_sun_path(port, _NXGetUnixPath(UNIX_PATH), sockname.sun_path) != 0) {
-#else
- if (set_sun_path(port, UNIX_PATH, sockname.sun_path) != 0) {
-#endif
- PRMSG (1, "SocketUNIXCreateListener: path too long\n", 0, 0, 0);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- } else {
-#ifdef NX_TRANS_SOCKET
- sprintf (sockname.sun_path, "%s%ld", _NXGetUnixPath(UNIX_PATH), (long)getpid());
-#else
- sprintf (sockname.sun_path, "%s%ld", UNIX_PATH, (long)getpid());
-#endif
- }
-
-#if (defined(BSD44SOCKETS) || defined(__UNIXWARE__)) && !defined(Lynx)
- sockname.sun_len = strlen(sockname.sun_path);
- namelen = SUN_LEN(&sockname);
-#else
- namelen = strlen(sockname.sun_path) + sizeof(sockname.sun_family);
-#endif
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "SocketUNIXCreateListener: Unlinking path [%s] for ciptr at [%p].\n",
- sockname.sun_path, (void *) ciptr);
-#endif
- unlink (sockname.sun_path);
-
- if ((status = TRANS(SocketCreateListener) (ciptr,
- (struct sockaddr *) &sockname, namelen, flags)) < 0)
- {
- PRMSG (1,
- "SocketUNIXCreateListener: ...SocketCreateListener() failed\n",
- 0, 0, 0);
- (void) umask (oldUmask);
- return status;
- }
-
- /*
- * Now that the listener is esablished, create the addr info for
- * this connection. getpeername() doesn't work for UNIX Domain Sockets
- * on some systems (hpux at least), so we will just do it manually, instead
- * of calling something like TRANS(SocketUNIXGetAddr).
- */
-
- namelen = sizeof (sockname); /* this will always make it the same size */
-
- if ((ciptr->addr = (char *) xalloc (namelen)) == NULL)
- {
- PRMSG (1,
- "SocketUNIXCreateListener: Can't allocate space for the addr\n",
- 0, 0, 0);
- (void) umask (oldUmask);
- return TRANS_CREATE_LISTENER_FAILED;
- }
-
- ciptr->family = sockname.sun_family;
- ciptr->addrlen = namelen;
- memcpy (ciptr->addr, &sockname, ciptr->addrlen);
-
- (void) umask (oldUmask);
-
- return 0;
-}
-
-
-static int
-TRANS(SocketUNIXResetListener) (XtransConnInfo ciptr)
-
-{
- /*
- * See if the unix domain socket has disappeared. If it has, recreate it.
- */
-
- struct sockaddr_un *unsock = (struct sockaddr_un *) ciptr->addr;
- struct stat statb;
- int status = TRANS_RESET_NOOP;
- unsigned int mode;
-
- PRMSG (3, "SocketUNIXResetListener(%p,%d)\n", ciptr, ciptr->fd, 0);
-
- if (stat (unsock->sun_path, &statb) == -1 ||
- ((statb.st_mode & S_IFMT) !=
-#if (defined (sun) && defined(SVR4)) || defined(NCR) || defined(SCO325) || !defined(S_IFSOCK)
- S_IFIFO))
-#else
- S_IFSOCK))
-#endif
- {
- int oldUmask = umask (0);
-
-#ifdef UNIX_DIR
-#ifdef HAS_STICKY_DIR_BIT
- mode = 01777;
-#else
- mode = 0777;
-#endif
-#ifdef NX_TRANS_SOCKET
- if (trans_mkdir(_NXGetUnixDir(UNIX_DIR), mode) == -1) {
- PRMSG (1, "SocketUNIXResetListener: mkdir(%s) failed, errno = %d\n",
- _NXGetUnixDir(UNIX_DIR), errno, 0);
-#else
- if (trans_mkdir(UNIX_DIR, mode) == -1) {
- PRMSG (1, "SocketUNIXResetListener: mkdir(%s) failed, errno = %d\n",
- UNIX_DIR, errno, 0);
-#endif
- (void) umask (oldUmask);
- return TRANS_RESET_FAILURE;
- }
-#endif
-
- close (ciptr->fd);
- unlink (unsock->sun_path);
-
- if ((ciptr->fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
- {
- TRANS(FreeConnInfo) (ciptr);
- (void) umask (oldUmask);
- return TRANS_RESET_FAILURE;
- }
-
- if (bind (ciptr->fd, (struct sockaddr *) unsock, ciptr->addrlen) < 0)
- {
- close (ciptr->fd);
- TRANS(FreeConnInfo) (ciptr);
- return TRANS_RESET_FAILURE;
- }
-
- if (listen (ciptr->fd, BACKLOG) < 0)
- {
- close (ciptr->fd);
- TRANS(FreeConnInfo) (ciptr);
- (void) umask (oldUmask);
- return TRANS_RESET_FAILURE;
- }
-
- umask (oldUmask);
-
- status = TRANS_RESET_NEW_FD;
- }
-
- return status;
-}
-
-#endif /* UNIXCONN */
-
-
-#ifdef TCPCONN
-
-static XtransConnInfo
-TRANS(SocketINETAccept) (XtransConnInfo ciptr, int *status)
-
-{
- XtransConnInfo newciptr;
- struct sockaddr_in sockname;
- int namelen = sizeof(sockname);
-
- PRMSG (2, "SocketINETAccept(%p,%d)\n", ciptr, ciptr->fd, 0);
-
- if ((newciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketINETAccept: malloc failed\n", 0, 0, 0);
- *status = TRANS_ACCEPT_BAD_MALLOC;
- return NULL;
- }
-
- if ((newciptr->fd = accept (ciptr->fd,
- (struct sockaddr *) &sockname, (void *)&namelen)) < 0)
- {
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- PRMSG (1, "SocketINETAccept: accept() failed\n", 0, 0, 0);
- xfree (newciptr);
- *status = TRANS_ACCEPT_FAILED;
- return NULL;
- }
-
-#ifdef TCP_NODELAY
- {
- /*
- * turn off TCP coalescence for INET sockets
- */
-
- int tmp = 1;
- setsockopt (newciptr->fd, IPPROTO_TCP, TCP_NODELAY,
- (char *) &tmp, sizeof (int));
- }
-#endif
-
- /*
- * Get this address again because the transport may give a more
- * specific address now that a connection is established.
- */
-
- if (TRANS(SocketINETGetAddr) (newciptr) < 0)
- {
- PRMSG (1,
- "SocketINETAccept: ...SocketINETGetAddr() failed:\n",
- 0, 0, 0);
- close (newciptr->fd);
- xfree (newciptr);
- *status = TRANS_ACCEPT_MISC_ERROR;
- return NULL;
- }
-
- if (TRANS(SocketINETGetPeerAddr) (newciptr) < 0)
- {
- PRMSG (1,
- "SocketINETAccept: ...SocketINETGetPeerAddr() failed:\n",
- 0, 0, 0);
- close (newciptr->fd);
- if (newciptr->addr) xfree (newciptr->addr);
- xfree (newciptr);
- *status = TRANS_ACCEPT_MISC_ERROR;
- return NULL;
- }
-
- *status = 0;
-
- return newciptr;
-}
-
-#endif /* TCPCONN */
-
-
-#ifdef UNIXCONN
-static XtransConnInfo
-TRANS(SocketUNIXAccept) (XtransConnInfo ciptr, int *status)
-
-{
- XtransConnInfo newciptr;
- struct sockaddr_un sockname;
-#if defined(SVR4) || defined(__SCO__)
- size_t namelen = sizeof sockname;
-#else
- int namelen = sizeof sockname;
-#endif
-
- PRMSG (2, "SocketUNIXAccept(%p,%d)\n", ciptr, ciptr->fd, 0);
-
- if ((newciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketUNIXAccept: malloc() failed\n", 0, 0, 0);
- *status = TRANS_ACCEPT_BAD_MALLOC;
- return NULL;
- }
-
- if ((newciptr->fd = accept (ciptr->fd,
- (struct sockaddr *) &sockname, (void *)&namelen)) < 0)
- {
- PRMSG (1, "SocketUNIXAccept: accept() failed\n", 0, 0, 0);
- xfree (newciptr);
- *status = TRANS_ACCEPT_FAILED;
- return NULL;
- }
-
- /*
- * Get the socket name and the peer name from the listener socket,
- * since this is unix domain.
- */
-
- if ((newciptr->addr = (char *) xalloc (ciptr->addrlen)) == NULL)
- {
- PRMSG (1,
- "SocketUNIXAccept: Can't allocate space for the addr\n",
- 0, 0, 0);
- close (newciptr->fd);
- xfree (newciptr);
- *status = TRANS_ACCEPT_BAD_MALLOC;
- return NULL;
- }
-
-
- newciptr->addrlen = ciptr->addrlen;
- memcpy (newciptr->addr, ciptr->addr, newciptr->addrlen);
-
- if ((newciptr->peeraddr = (char *) xalloc (ciptr->addrlen)) == NULL)
- {
- PRMSG (1,
- "SocketUNIXAccept: Can't allocate space for the addr\n",
- 0, 0, 0);
- close (newciptr->fd);
- if (newciptr->addr) xfree (newciptr->addr);
- xfree (newciptr);
- *status = TRANS_ACCEPT_BAD_MALLOC;
- return NULL;
- }
-
- newciptr->peeraddrlen = ciptr->addrlen;
- memcpy (newciptr->peeraddr, ciptr->addr, newciptr->addrlen);
-
- newciptr->family = AF_UNIX;
-
- *status = 0;
-
- return newciptr;
-}
-
-#endif /* UNIXCONN */
-
-#endif /* TRANS_SERVER */
-
-
-#ifdef TRANS_CLIENT
-
-#ifdef TCPCONN
-
-#if defined(IPv6) && defined(AF_INET6)
-struct addrlist {
- struct addrinfo * addr;
- struct addrinfo * firstaddr;
- char port[PORTBUFSIZE];
- char host[MAXHOSTNAMELEN];
-};
-static struct addrlist *addrlist = NULL;
-#endif
-
-
-static int
-TRANS(SocketINETConnect) (XtransConnInfo ciptr, char *host, char *port)
-
-{
- struct sockaddr * socketaddr = NULL;
- int socketaddrlen = 0;
- int res;
-#if defined(IPv6) && defined(AF_INET6)
- struct addrinfo hints;
- char ntopbuf[INET6_ADDRSTRLEN];
- int resetonce = 0;
-#endif
- struct sockaddr_in sockname;
-#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
- _Xgethostbynameparams hparams;
- _Xgetservbynameparams sparams;
-#endif
- struct hostent *hostp;
- struct servent *servp;
- unsigned long tmpaddr;
-#ifdef X11_t
- char portbuf[PORTBUFSIZE];
-#endif
-
- long tmpport;
- char hostnamebuf[256]; /* tmp space */
-
- PRMSG (2,"SocketINETConnect(%d,%s,%s)\n", ciptr->fd, host, port);
-
- if (!host)
- {
- hostnamebuf[0] = '\0';
- (void) TRANS(GetHostname) (hostnamebuf, sizeof hostnamebuf);
- host = hostnamebuf;
- }
-
-#ifdef X11_t
- /*
- * X has a well known port, that is transport dependent. It is easier
- * to handle it here, than try and come up with a transport independent
- * representation that can be passed in and resolved the usual way.
- *
- * The port that is passed here is really a string containing the idisplay
- * from ConnectDisplay().
- */
-
- if (is_numeric (port))
- {
- tmpport = X_TCP_PORT + strtol (port, (char**)NULL, 10);
- sprintf (portbuf, "%lu", tmpport);
- port = portbuf;
- }
-#endif
-
-#if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6) {
- if (addrlist != NULL) {
- if (strcmp(host,addrlist->host) || strcmp(port,addrlist->port)) {
- if (addrlist->firstaddr)
- freeaddrinfo(addrlist->firstaddr);
- addrlist->firstaddr = NULL;
- }
- } else {
- addrlist = malloc(sizeof(struct addrlist));
- addrlist->firstaddr = NULL;
- }
-
- if (addrlist->firstaddr == NULL) {
- strncpy(addrlist->port, port, sizeof(addrlist->port));
- addrlist->port[sizeof(addrlist->port) - 1] = '\0';
- strncpy(addrlist->host, host, sizeof(addrlist->host));
- addrlist->host[sizeof(addrlist->host) - 1] = '\0';
-
- bzero(&hints,sizeof(hints));
- hints.ai_socktype = Sockettrans2devtab[ciptr->index].devcotsname;
-
- res = getaddrinfo(host,port,&hints,&addrlist->firstaddr);
- if (res != 0) {
- PRMSG (1, "SocketINETConnect() can't get address "
- "for %s:%s: %s\n", host, port, gai_strerror(res));
- ESET(EINVAL);
- return TRANS_CONNECT_FAILED;
- }
- for (res = 0, addrlist->addr = addrlist->firstaddr;
- addrlist->addr ; res++) {
- addrlist->addr = addrlist->addr->ai_next;
- }
- PRMSG(4,"Got New Address list with %d addresses\n", res, 0, 0);
- res = 0;
- addrlist->addr = NULL;
- }
-
- while (socketaddr == NULL) {
- if (addrlist->addr == NULL) {
- if (resetonce) {
- /* Already checked entire list - no usable addresses */
- PRMSG (1, "SocketINETConnect() no usable address "
- "for %s:%s\n", host, port, 0);
- return TRANS_CONNECT_FAILED;
- } else {
- /* Go back to beginning of list */
- resetonce = 1;
- addrlist->addr = addrlist->firstaddr;
- }
- }
-
- socketaddr = addrlist->addr->ai_addr;
- socketaddrlen = addrlist->addr->ai_addrlen;
-
- if (addrlist->addr->ai_family == AF_INET) {
- struct sockaddr_in *sin = (struct sockaddr_in *) socketaddr;
-
- PRMSG (4,"SocketINETConnect() sockname.sin_addr = %s\n",
- inet_ntop(addrlist->addr->ai_family,&sin->sin_addr,
- ntopbuf,sizeof(ntopbuf)), 0, 0);
-
- PRMSG (4,"SocketINETConnect() sockname.sin_port = %d\n",
- ntohs(sin->sin_port), 0, 0);
-
- if (Sockettrans2devtab[ciptr->index].family == AF_INET6) {
- if (strcmp(Sockettrans2devtab[ciptr->index].transname,
- "tcp") == 0) {
- XtransConnInfo newciptr;
-
- /*
- * Our socket is an IPv6 socket, but the address is
- * IPv4. Close it and get an IPv4 socket. This is
- * needed for IPv4 connections to work on platforms
- * that don't allow IPv4 over IPv6 sockets.
- */
- TRANS(SocketINETClose)(ciptr);
- newciptr = TRANS(SocketOpenCOTSClientBase)(
- "tcp", "tcp", host, port, ciptr->index);
- if (newciptr)
- ciptr->fd = newciptr->fd;
- if (!newciptr ||
- Sockettrans2devtab[newciptr->index].family !=
- AF_INET) {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect() Cannot get IPv4 "
- " socketfor IPv4 address\n", 0,0,0);
- }
- if (newciptr)
- xfree(newciptr);
- } else {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect Skipping IPv4 address\n",
- 0,0,0);
- }
- }
- } else if (addrlist->addr->ai_family == AF_INET6) {
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) socketaddr;
-
- PRMSG (4,"SocketINETConnect() sockname.sin6_addr = %s\n",
- inet_ntop(addrlist->addr->ai_family,
- &sin6->sin6_addr,ntopbuf,sizeof(ntopbuf)),
- 0, 0);
- PRMSG (4,"SocketINETConnect() sockname.sin6_port = %d\n",
- ntohs(sin6->sin6_port), 0, 0);
-
- if (Sockettrans2devtab[ciptr->index].family == AF_INET) {
- if (strcmp(Sockettrans2devtab[ciptr->index].transname,
- "tcp") == 0) {
- XtransConnInfo newciptr;
-
- /*
- * Close the IPv4 socket and try to open an IPv6 socket.
- */
- TRANS(SocketINETClose)(ciptr);
- newciptr = TRANS(SocketOpenCOTSClientBase)(
- "tcp", "tcp", host, port, -1);
- if (newciptr)
- ciptr->fd = newciptr->fd;
- if (!newciptr ||
- Sockettrans2devtab[newciptr->index].family !=
- AF_INET6) {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect() Cannot get IPv6 "
- "socket for IPv6 address\n", 0,0,0);
- }
- if (newciptr)
- xfree(newciptr);
- }
- else
- {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect() Skipping IPv6 address\n",
- 0,0,0);
- }
- }
- } else {
- socketaddr = NULL; /* Unsupported address type */
- }
- if (socketaddr == NULL) {
- addrlist->addr = addrlist->addr->ai_next;
- }
- }
- } else
-#endif
- {
- /*
- * Build the socket name.
- */
-
-#ifdef BSD44SOCKETS
- sockname.sin_len = sizeof (struct sockaddr_in);
-#endif
- sockname.sin_family = AF_INET;
-
- /*
- * fill in sin_addr
- */
-
-#ifndef INADDR_NONE
-#define INADDR_NONE ((in_addr_t) 0xffffffff)
-#endif
-
- /* check for ww.xx.yy.zz host string */
-
- if (isascii (host[0]) && isdigit (host[0])) {
- tmpaddr = inet_addr (host); /* returns network byte order */
- } else {
- tmpaddr = INADDR_NONE;
- }
-
- PRMSG (4,"SocketINETConnect() inet_addr(%s) = %x\n", host, tmpaddr, 0);
-
- if (tmpaddr == INADDR_NONE) {
- if ((hostp = _XGethostbyname(host,hparams)) == NULL) {
- PRMSG (1,"SocketINETConnect: Can't get address for %s\n",
- host, 0, 0);
- ESET(EINVAL);
- return TRANS_CONNECT_FAILED;
- }
- if (hostp->h_addrtype != AF_INET) { /* is IP host? */
- PRMSG (1,"SocketINETConnect: not INET host%s\n", host, 0, 0);
- ESET(EPROTOTYPE);
- return TRANS_CONNECT_FAILED;
- }
-
-#if defined(CRAY) && defined(OLDTCP)
- /* Only Cray UNICOS3 and UNICOS4 will define this */
- {
- long t;
- memcpy ((char *)&t, (char *) hostp->h_addr, sizeof (t));
- sockname.sin_addr = t;
- }
-#else
- memcpy ((char *) &sockname.sin_addr, (char *) hostp->h_addr,
- sizeof (sockname.sin_addr));
-#endif /* CRAY and OLDTCP */
-
- } else {
-#if defined(CRAY) && defined(OLDTCP)
- /* Only Cray UNICOS3 and UNICOS4 will define this */
- sockname.sin_addr = tmpaddr;
-#else
- sockname.sin_addr.s_addr = tmpaddr;
-#endif /* CRAY and OLDTCP */
- }
-
- /*
- * fill in sin_port
- */
-
- /* Check for number in the port string */
-
- if (!is_numeric (port)) {
- if ((servp = _XGetservbyname (port,"tcp",sparams)) == NULL) {
- PRMSG (1,"SocketINETConnect: can't get service for %s\n",
- port, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- sockname.sin_port = htons (servp->s_port);
- } else {
- tmpport = strtol (port, (char**)NULL, 10);
- if (tmpport < 1024 || tmpport > USHRT_MAX)
- return TRANS_CONNECT_FAILED;
- sockname.sin_port = htons (((unsigned short) tmpport));
- }
-
- PRMSG (4,"SocketINETConnect: sockname.sin_port = %d\n",
- ntohs(sockname.sin_port), 0, 0);
- socketaddr = (struct sockaddr *) &sockname;
- socketaddrlen = sizeof(sockname);
- }
-
- /*
- * Turn on socket keepalive so the client process will eventually
- * be notified with a SIGPIPE signal if the display server fails
- * to respond to a periodic transmission of messages
- * on the connected socket.
- * This is useful to avoid hung application processes when the
- * processes are not spawned from the xdm session and
- * the display server terminates abnormally.
- * (Someone turned off the power switch.)
- */
-
- {
- int tmp = 1;
- setsockopt (ciptr->fd, SOL_SOCKET, SO_KEEPALIVE,
- (char *) &tmp, sizeof (int));
- }
-
- /*
- * Do the connect()
- */
-
- if (connect (ciptr->fd, socketaddr, socketaddrlen ) < 0)
- {
-#ifdef WIN32
- int olderrno = WSAGetLastError();
-#else
- int olderrno = errno;
-#endif
-
- /*
- * If the error was ECONNREFUSED, the server may be overloaded
- * and we should try again.
- *
- * If the error was EWOULDBLOCK or EINPROGRESS then the socket
- * was non-blocking and we should poll using select
- *
- * If the error was EINTR, the connect was interrupted and we
- * should try again.
- *
- * If multiple addresses are found for a host then we should
- * try to connect again with a different address for a larger
- * number of errors that made us quit before, since those
- * could be caused by trying to use an IPv6 address to contact
- * a machine with an IPv4-only server or other reasons that
- * only affect one of a set of addresses.
- */
-
- if (olderrno == ECONNREFUSED || olderrno == EINTR
-#if defined(IPv6) && defined(AF_INET6)
- || (haveIPv6 && ((addrlist->addr->ai_next != NULL) ||
- (addrlist->addr != addrlist->firstaddr)) &&
- (olderrno == ENETUNREACH || olderrno == EAFNOSUPPORT ||
- olderrno == EADDRNOTAVAIL || olderrno == ETIMEDOUT
-#if defined(EHOSTDOWN)
- || olderrno == EHOSTDOWN
-#endif
- ))
-#endif
- )
- res = TRANS_TRY_CONNECT_AGAIN;
- else if (olderrno == EWOULDBLOCK || olderrno == EINPROGRESS)
- res = TRANS_IN_PROGRESS;
- else
- {
- PRMSG (2,"SocketINETConnect: Can't connect: errno = %d\n",
- olderrno,0, 0);
-
- res = TRANS_CONNECT_FAILED;
- }
- } else {
- res = 0;
-
-
- /*
- * Sync up the address fields of ciptr.
- */
-
- if (TRANS(SocketINETGetAddr) (ciptr) < 0)
- {
- PRMSG (1,
- "SocketINETConnect: ...SocketINETGetAddr() failed:\n",
- 0, 0, 0);
- res = TRANS_CONNECT_FAILED;
- }
-
- else if (TRANS(SocketINETGetPeerAddr) (ciptr) < 0)
- {
- PRMSG (1,
- "SocketINETConnect: ...SocketINETGetPeerAddr() failed:\n",
- 0, 0, 0);
- res = TRANS_CONNECT_FAILED;
- }
- }
-
-#if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6 && res != 0) {
- addrlist->addr = addrlist->addr->ai_next;
- }
-#endif
-
- return res;
-}
-
-#endif /* TCPCONN */
-
-
-
-#ifdef UNIXCONN
-
-/*
- * Make sure 'host' is really local.
- */
-
-static int
-UnixHostReallyLocal (char *host)
-
-{
- char hostnamebuf[256];
-
-#if defined(IPv6) && defined(AF_INET6)
- if (getaddrinfo == NULL)
- haveIPv6 = 0;
-#endif
-
- TRANS(GetHostname) (hostnamebuf, sizeof (hostnamebuf));
-
- if (strcmp (hostnamebuf, host) == 0)
- {
- return (1);
- }
-#if defined(IPv6) && defined(AF_INET6)
- else if (haveIPv6)
- {
- struct addrinfo *localhostaddr;
- struct addrinfo *otherhostaddr;
- struct addrinfo *i, *j;
- int equiv = 0;
-
- if (getaddrinfo(hostnamebuf, NULL, NULL, &localhostaddr) != 0)
- return 0;
- if (getaddrinfo(host, NULL, NULL, &otherhostaddr) != 0) {
- freeaddrinfo(localhostaddr);
- return 0;
- }
-
- for (i = localhostaddr; i != NULL && equiv == 0; i = i->ai_next) {
- for (j = otherhostaddr; j != NULL && equiv == 0; j = j->ai_next) {
- if (i->ai_family == j->ai_family) {
- if (i->ai_family == AF_INET) {
- struct sockaddr_in *sinA
- = (struct sockaddr_in *) i->ai_addr;
- struct sockaddr_in *sinB
- = (struct sockaddr_in *) j->ai_addr;
- struct in_addr *A = &sinA->sin_addr;
- struct in_addr *B = &sinB->sin_addr;
-
- if (memcmp(A,B,sizeof(struct in_addr)) == 0) {
- equiv = 1;
- }
- } else if (i->ai_family == AF_INET6) {
- struct sockaddr_in6 *sinA
- = (struct sockaddr_in6 *) i->ai_addr;
- struct sockaddr_in6 *sinB
- = (struct sockaddr_in6 *) j->ai_addr;
- struct in6_addr *A = &sinA->sin6_addr;
- struct in6_addr *B = &sinB->sin6_addr;
-
- if (memcmp(A,B,sizeof(struct in6_addr)) == 0) {
- equiv = 1;
- }
- }
- }
- }
- }
-
- freeaddrinfo(localhostaddr);
- freeaddrinfo(otherhostaddr);
- return equiv;
- }
-#endif
- else
- {
- /*
- * A host may have more than one network address. If any of the
- * network addresses of 'host' (specified to the connect call)
- * match any of the network addresses of 'hostname' (determined
- * by TRANS(GetHostname)), then the two hostnames are equivalent,
- * and we know that 'host' is really a local host.
- */
- char specified_local_addr_list[10][4];
- int scount, equiv, i, j;
-#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
- _Xgethostbynameparams hparams;
-#endif
- struct hostent *hostp;
-
- if ((hostp = _XGethostbyname (host,hparams)) == NULL)
- return (0);
-
- scount = 0;
- while (hostp->h_addr_list[scount] && scount <= 8)
- {
- /*
- * The 2nd call to gethostname() overrides the data
- * from the 1st call, so we must save the address list.
- */
-
- specified_local_addr_list[scount][0] =
- hostp->h_addr_list[scount][0];
- specified_local_addr_list[scount][1] =
- hostp->h_addr_list[scount][1];
- specified_local_addr_list[scount][2] =
- hostp->h_addr_list[scount][2];
- specified_local_addr_list[scount][3] =
- hostp->h_addr_list[scount][3];
- scount++;
- }
- if ((hostp = _XGethostbyname (hostnamebuf,hparams)) == NULL)
- return (0);
-
- equiv = 0;
- i = 0;
-
- while (i < scount && !equiv)
- {
- j = 0;
-
- while (hostp->h_addr_list[j])
- {
- if ((specified_local_addr_list[i][0] ==
- hostp->h_addr_list[j][0]) &&
- (specified_local_addr_list[i][1] ==
- hostp->h_addr_list[j][1]) &&
- (specified_local_addr_list[i][2] ==
- hostp->h_addr_list[j][2]) &&
- (specified_local_addr_list[i][3] ==
- hostp->h_addr_list[j][3]))
- {
- /* They're equal, so we're done */
-
- equiv = 1;
- break;
- }
-
- j++;
- }
-
- i++;
- }
- return (equiv);
- }
-}
-
-static int
-TRANS(SocketUNIXConnect) (XtransConnInfo ciptr, char *host, char *port)
-
-{
- struct sockaddr_un sockname;
- int namelen;
-
-#if defined(hpux) && defined(X11_t)
- struct sockaddr_un old_sockname;
- int old_namelen;
-#endif
-
-
- PRMSG (2,"SocketUNIXConnect(%d,%s,%s)\n", ciptr->fd, host, port);
-
- /*
- * Make sure 'host' is really local. If not, we return failure.
- * The reason we make this check is because a process may advertise
- * a "local" network ID for which it can accept connections, but if
- * a process on a remote machine tries to connect to this network ID,
- * we know for sure it will fail.
- */
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
- if (strcmp(host, "unix") != 0 && strcasecmp(host, "nx") != 0 &&
- strncasecmp(host, "nx,", 3) != 0 && !UnixHostReallyLocal (host))
-#else
- if (strcmp (host, "unix") != 0 && !UnixHostReallyLocal (host))
-#endif
- {
- PRMSG (1,
- "SocketUNIXConnect: Cannot connect to non-local host %s\n",
- host, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
-
-
- /*
- * Check the port.
- */
-
- if (!port || !*port)
- {
- PRMSG (1,"SocketUNIXConnect: Missing port specification\n",
- 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
-
- /*
- * Build the socket name.
- */
-
- sockname.sun_family = AF_UNIX;
-
-#ifdef NX_TRANS_SOCKET
- if (set_sun_path(port, _NXGetUnixPath(UNIX_PATH), sockname.sun_path) != 0) {
-#else
- if (set_sun_path(port, UNIX_PATH, sockname.sun_path) != 0) {
-#endif
- PRMSG (1, "SocketUNIXConnect: path too long\n", 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
-
-#if (defined(BSD44SOCKETS) || defined(__UNIXWARE__)) && !defined(Lynx)
- sockname.sun_len = strlen (sockname.sun_path);
- namelen = SUN_LEN (&sockname);
-#else
- namelen = strlen (sockname.sun_path) + sizeof (sockname.sun_family);
-#endif
-
-
-#if defined(hpux) && defined(X11_t)
- /*
- * This is gross, but it was in Xlib
- */
- old_sockname.sun_family = AF_UNIX;
-#ifdef NX_TRANS_SOCKET
- if (set_sun_path(port, _NXGetOldUnixPath(OLD_UNIX_PATH), old_sockname.sun_path) != 0) {
-#else
- if (set_sun_path(port, OLD_UNIX_PATH, old_sockname.sun_path) != 0) {
-#endif
- PRMSG (1, "SocketUNIXConnect: path too long\n", 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- old_namelen = strlen (old_sockname.sun_path) +
- sizeof (old_sockname.sun_family);
-#endif
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if (ciptr->priv != NULL)
- {
- if (TRANS(SocketConnectConnInfo) (ciptr, host, port) != 0)
- {
- return TRANS_CONNECT_FAILED;
- }
-
- goto SocketUNIXConnectPost;
- }
-
-#endif
-
- /*
- * Do the connect()
- */
-
- if (connect (ciptr->fd, (struct sockaddr *) &sockname, namelen) < 0)
- {
- int olderrno = errno;
- int connected = 0;
-
-#if defined(hpux) && defined(X11_t)
- if (olderrno == ENOENT)
- {
- if (connect (ciptr->fd,
- (struct sockaddr *) &old_sockname, old_namelen) >= 0)
- {
- connected = 1;
- }
- else
- olderrno = errno;
- }
-#endif
- if (!connected)
- {
- errno = olderrno;
-
- /*
- * If the error was ENOENT, the server may be starting up
- * and we should try again.
- *
- * If the error was EWOULDBLOCK or EINPROGRESS then the socket
- * was non-blocking and we should poll using select
- *
- * If the error was EINTR, the connect was interrupted and we
- * should try again.
- */
-
- if (olderrno == ENOENT || olderrno == EINTR)
- return TRANS_TRY_CONNECT_AGAIN;
- else if (olderrno == EWOULDBLOCK || olderrno == EINPROGRESS)
- return TRANS_IN_PROGRESS;
- else
- {
- PRMSG (2,"SocketUNIXConnect: Can't connect: errno = %d\n",
- EGET(),0, 0);
-
- return TRANS_CONNECT_FAILED;
- }
- }
- }
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
-SocketUNIXConnectPost:
-
-#endif
-
- /*
- * Get the socket name and the peer name from the connect socket,
- * since this is unix domain.
- */
-
- if ((ciptr->addr = (char *) xalloc(namelen)) == NULL ||
- (ciptr->peeraddr = (char *) xalloc(namelen)) == NULL)
- {
- PRMSG (1,
- "SocketUNIXCreateListener: Can't allocate space for the addr\n",
- 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
-
- ciptr->family = AF_UNIX;
- ciptr->addrlen = namelen;
- ciptr->peeraddrlen = namelen;
- memcpy (ciptr->addr, &sockname, ciptr->addrlen);
- memcpy (ciptr->peeraddr, &sockname, ciptr->peeraddrlen);
-
- return 0;
-}
-
-#endif /* UNIXCONN */
-
-#endif /* TRANS_CLIENT */
-
-
-static int
-TRANS(SocketBytesReadable) (XtransConnInfo ciptr, BytesReadable_t *pend)
-
-{
- PRMSG (2,"SocketBytesReadable(%p,%d,%p)\n",
- ciptr, ciptr->fd, pend);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if (ciptr->priv)
- {
- if (NXTransRunning(ciptr->fd) == 0)
- {
- /*
- * Force the application to shut down the
- * socket if the NX transport is gone. We
- * may probably save this additional call.
- */
-
-#ifdef NX_TRANS_DEBUG
- fprintf(stderr, "SocketBytesReadable: NX transport not running for descriptor [%d].\n",
- ciptr->fd);
-#endif
- ESET(EPIPE);
-
- return -1;
- }
- else
- {
- /*
- * Emulate BytesReadable. Some X applications may use the system
- * select() in their main loop, instead of the _XSelect() that is
- * replaced by NX. Still these applications use _XEventsQueued to
- * poll events from the X connection, and _XEventsQueued uses the
- * NX _XSelect(), so it is generally possible to let the client
- * yield the control to NX and let it handle the I/O on the proxy
- * descriptors even if the application is not explicitly designed
- * to work as a NX agent.
- */
-
-#ifdef NX_TRANS_DEBUG
-
- int result;
-
- result = NXTransReadable(ciptr->fd, (int *) pend);
-
- fprintf(stderr, "SocketBytesReadable: Descriptor [%d] result [%d] readable [%ld].\n",
- ciptr->fd, result, *pend);
-
- return result;
-#else
- return NXTransReadable(ciptr->fd, (int *) pend);
-#endif
- }
- }
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
-#if defined(QNX4)
- *pend = 0L; /* FIONREAD only returns a short. Zero out upper bits */
-#endif
-#ifdef WIN32
- {
- int ret = ioctlsocket ((SOCKET) ciptr->fd, FIONREAD, (u_long *) pend);
- errno = WSAGetLastError();
- return ret;
- }
-#else
-#if (defined(i386) && defined(SYSV) && !defined(SCO325)) || (defined(_SEQUENT_) && _SOCKET_VERSION == 1)
- return ioctl (ciptr->fd, I_NREAD, (char *) pend);
-#else
-#if defined(__UNIXOS2__)
- return ioctl (ciptr->fd, FIONREAD, (char*) pend, sizeof(int));
-#else
- return ioctl (ciptr->fd, FIONREAD, (char *) pend);
-#endif /* __UNIXOS2__ */
-#endif /* i386 && SYSV || _SEQUENT_ && _SOCKET_VERSION == 1 */
-#endif /* WIN32 */
-}
-
-
-static int
-TRANS(SocketRead) (XtransConnInfo ciptr, char *buf, int size)
-
-{
- PRMSG (2,"SocketRead(%d,%p,%d)\n", ciptr->fd, buf, size);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- /*
- * If we have a valid priv pointer then this
- * is an internal connection to the proxy.
- * In this case we should emulate the read.
- */
-
- if (ciptr->priv)
- {
- int result;
-
- result = NXTransRead(ciptr->fd, buf, size);
-
-#ifdef NX_TRANS_DEBUG
- if (result < 0 && EGET() == EAGAIN)
- {
- fprintf(stderr, "SocketRead: Read from descriptor [%d] would block.\n",
- ciptr->fd);
- }
- else
- {
- fprintf(stderr, "SocketRead: Read [%d] bytes from descriptor [%d].\n",
- result, ciptr->fd);
- }
-#endif
- return result;
- }
- else
- {
- return read (ciptr->fd, buf, size);
- }
-
-#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
-#if defined(WIN32) || defined(__UNIXOS2__)
- {
- int ret = recv ((SOCKET)ciptr->fd, buf, size, 0);
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- return ret;
- }
-#else
- return read (ciptr->fd, buf, size);
-#endif /* WIN32 */
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-}
-
-
-static int
-TRANS(SocketWrite) (XtransConnInfo ciptr, char *buf, int size)
-
-{
- PRMSG (2,"SocketWrite(%d,%p,%d)\n", ciptr->fd, buf, size);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- /*
- * If we have a valid priv pointer then this
- * is an internal connection to the proxy.
- * In this case we should emulate the write.
- */
-
- if (ciptr->priv)
- {
- int result;
-
- result = NXTransWrite(ciptr->fd, buf, size);
-
-#ifdef NX_TRANS_DEBUG
- if (result < 0 && EGET() == EAGAIN)
- {
- fprintf(stderr, "SocketWrite: Write on descriptor [%d] would block.\n",
- ciptr->fd);
- }
- else
- {
- fprintf(stderr, "SocketWrite: Written [%d] bytes on descriptor [%d].\n",
- result, ciptr->fd);
- }
-#endif
- return result;
- }
- else
- {
- return write (ciptr->fd, buf, size);
- }
-
-#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
-#if defined(WIN32) || defined(__UNIXOS2__)
- {
- int ret = send ((SOCKET)ciptr->fd, buf, size, 0);
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- return ret;
- }
-#else
- return write (ciptr->fd, buf, size);
-#endif /* WIN32 */
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-}
-
-
-static int
-TRANS(SocketReadv) (XtransConnInfo ciptr, struct iovec *buf, int size)
-
-{
- PRMSG (2,"SocketReadv(%d,%p,%d)\n", ciptr->fd, buf, size);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- /*
- * If we have a valid priv pointer then this
- * is an internal connection to the proxy.
- * In this case we should emulate the readv.
- */
-
- if (ciptr->priv)
- {
- return NXTransReadVector(ciptr->fd, buf, size);
- }
- else
- {
- return READV (ciptr, buf, size);
- }
-
-#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
- return READV (ciptr, buf, size);
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-}
-
-
-static int
-TRANS(SocketWritev) (XtransConnInfo ciptr, struct iovec *buf, int size)
-
-{
- PRMSG (2,"SocketWritev(%d,%p,%d)\n", ciptr->fd, buf, size);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- /*
- * If we have a valid priv pointer then this
- * is an internal connection to the proxy.
- * In this case we should emulate the writev.
- */
-
- if (ciptr->priv)
- {
- return NXTransWriteVector(ciptr->fd, buf, size);
- }
- else
- {
- return WRITEV (ciptr, buf, size);
- }
-
-#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-
- return WRITEV (ciptr, buf, size);
-
-#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
-}
-
-
-static int
-TRANS(SocketDisconnect) (XtransConnInfo ciptr)
-
-{
- PRMSG (2,"SocketDisconnect(%p,%d)\n", ciptr, ciptr->fd, 0);
-
-#ifdef WIN32
- {
- int ret = shutdown (ciptr->fd, 2);
- errno = WSAGetLastError();
- return ret;
- }
-#else
- return shutdown (ciptr->fd, 2); /* disallow further sends and receives */
-#endif
-}
-
-
-#ifdef TCPCONN
-static int
-TRANS(SocketINETClose) (XtransConnInfo ciptr)
-
-{
- PRMSG (2,"SocketINETClose(%p,%d)\n", ciptr, ciptr->fd, 0);
-
-#ifdef WIN32
- {
- int ret = close (ciptr->fd);
- errno = WSAGetLastError();
- return ret;
- }
-#else
- return close (ciptr->fd);
-#endif
-}
-
-#endif /* TCPCONN */
-
-
-#ifdef UNIXCONN
-static int
-TRANS(SocketUNIXClose) (XtransConnInfo ciptr)
-
-{
- /*
- * If this is the server side, then once the socket is closed,
- * it must be unlinked to completely close it
- */
-
- struct sockaddr_un *sockname = (struct sockaddr_un *) ciptr->addr;
- int ret;
-
- PRMSG (2,"SocketUNIXClose(%x,%d)\n", ciptr, ciptr->fd, 0);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if (ciptr->priv)
- {
- TRANS(SocketCloseConnInfo) (ciptr);
- }
-
-#endif
-
- ret = close(ciptr->fd);
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "SocketUNIXClose: Flags are [%d] for ciptr at [%p] check is [%d].\n",
- ciptr->flags, (void *) ciptr, (ciptr->flags && sockname
- && sockname->sun_family == AF_UNIX && sockname->sun_path[0]));
-#endif
-
- if (ciptr->flags
- && sockname
- && sockname->sun_family == AF_UNIX
- && sockname->sun_path[0])
- {
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- if (!(ciptr->flags & TRANS_NOUNLINK))
- {
- fprintf(stderr, "SocketUNIXClose: Unlinking path [%s] for ciptr at [%p].\n",
- sockname->sun_path, (void *) ciptr);
- unlink (sockname->sun_path);
- }
-#else
- if (!(ciptr->flags & TRANS_NOUNLINK))
- unlink (sockname->sun_path);
-#endif
- }
-
- return ret;
-}
-
-static int
-TRANS(SocketUNIXCloseForCloning) (XtransConnInfo ciptr)
-
-{
- /*
- * Don't unlink path.
- */
-
- int ret;
-
- PRMSG (2,"SocketUNIXCloseForCloning(%p,%d)\n",
- ciptr, ciptr->fd, 0);
-
-#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
-
- if (ciptr->priv)
- {
- TRANS(SocketCloseConnInfo) (ciptr);
- }
-
-#endif
-
- ret = close(ciptr->fd);
-
- return ret;
-}
-
-#endif /* UNIXCONN */
-
-
-#ifdef TCPCONN
-# ifdef TRANS_SERVER
-static char* tcp_nolisten[] = {
- "inet",
-#if defined(IPv6) && defined(AF_INET6)
- "inet6",
-#endif
- NULL
-};
-# endif
-
-Xtransport TRANS(SocketTCPFuncs) = {
- /* Socket Interface */
- "tcp",
- TRANS_ALIAS,
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCOTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- tcp_nolisten,
- TRANS(SocketOpenCOTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCLTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- TRANS(SocketOpenCLTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_REOPEN
- TRANS(SocketReopenCOTSServer),
- TRANS(SocketReopenCLTSServer),
-#endif
- TRANS(SocketSetOption),
-#ifdef TRANS_SERVER
- TRANS(SocketINETCreateListener),
- NULL, /* ResetListener */
- TRANS(SocketINETAccept),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketINETConnect),
-#endif /* TRANS_CLIENT */
- TRANS(SocketBytesReadable),
- TRANS(SocketRead),
- TRANS(SocketWrite),
- TRANS(SocketReadv),
- TRANS(SocketWritev),
- TRANS(SocketDisconnect),
- TRANS(SocketINETClose),
- TRANS(SocketINETClose),
- };
-
-Xtransport TRANS(SocketINETFuncs) = {
- /* Socket Interface */
- "inet",
- 0,
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCOTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- NULL,
- TRANS(SocketOpenCOTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCLTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- TRANS(SocketOpenCLTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_REOPEN
- TRANS(SocketReopenCOTSServer),
- TRANS(SocketReopenCLTSServer),
-#endif
- TRANS(SocketSetOption),
-#ifdef TRANS_SERVER
- TRANS(SocketINETCreateListener),
- NULL, /* ResetListener */
- TRANS(SocketINETAccept),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketINETConnect),
-#endif /* TRANS_CLIENT */
- TRANS(SocketBytesReadable),
- TRANS(SocketRead),
- TRANS(SocketWrite),
- TRANS(SocketReadv),
- TRANS(SocketWritev),
- TRANS(SocketDisconnect),
- TRANS(SocketINETClose),
- TRANS(SocketINETClose),
- };
-
-#if defined(IPv6) && defined(AF_INET6)
-Xtransport TRANS(SocketINET6Funcs) = {
- /* Socket Interface */
- "inet6",
- 0,
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCOTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- NULL,
- TRANS(SocketOpenCOTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCLTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- TRANS(SocketOpenCLTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_REOPEN
- TRANS(SocketReopenCOTSServer),
- TRANS(SocketReopenCLTSServer),
-#endif
- TRANS(SocketSetOption),
-#ifdef TRANS_SERVER
- TRANS(SocketINETCreateListener),
- NULL, /* ResetListener */
- TRANS(SocketINETAccept),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketINETConnect),
-#endif /* TRANS_CLIENT */
- TRANS(SocketBytesReadable),
- TRANS(SocketRead),
- TRANS(SocketWrite),
- TRANS(SocketReadv),
- TRANS(SocketWritev),
- TRANS(SocketDisconnect),
- TRANS(SocketINETClose),
- TRANS(SocketINETClose),
- };
-#endif /* IPv6 */
-#endif /* TCPCONN */
-
-#ifdef UNIXCONN
-#if !defined(LOCALCONN)
-Xtransport TRANS(SocketLocalFuncs) = {
- /* Socket Interface */
- "local",
- 0,
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCOTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- NULL,
- TRANS(SocketOpenCOTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCLTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- TRANS(SocketOpenCLTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_REOPEN
- TRANS(SocketReopenCOTSServer),
- TRANS(SocketReopenCLTSServer),
-#endif
- TRANS(SocketSetOption),
-#ifdef TRANS_SERVER
- TRANS(SocketUNIXCreateListener),
- TRANS(SocketUNIXResetListener),
- TRANS(SocketUNIXAccept),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketUNIXConnect),
-#endif /* TRANS_CLIENT */
- TRANS(SocketBytesReadable),
- TRANS(SocketRead),
- TRANS(SocketWrite),
- TRANS(SocketReadv),
- TRANS(SocketWritev),
- TRANS(SocketDisconnect),
- TRANS(SocketUNIXClose),
- TRANS(SocketUNIXCloseForCloning),
- };
-#endif /* !LOCALCONN */
-# ifdef TRANS_SERVER
-# if !defined(LOCALCONN)
-static char* unix_nolisten[] = { "local" , NULL };
-# endif
-# endif
-
-Xtransport TRANS(SocketUNIXFuncs) = {
- /* Socket Interface */
- "unix",
-#if !defined(LOCALCONN)
- TRANS_ALIAS,
-#else
- 0,
-#endif
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCOTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
-#if !defined(LOCALCONN)
- unix_nolisten,
-#else
- NULL,
-#endif
- TRANS(SocketOpenCOTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketOpenCLTSClient),
-#endif /* TRANS_CLIENT */
-#ifdef TRANS_SERVER
- TRANS(SocketOpenCLTSServer),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_REOPEN
- TRANS(SocketReopenCOTSServer),
- TRANS(SocketReopenCLTSServer),
-#endif
- TRANS(SocketSetOption),
-#ifdef TRANS_SERVER
- TRANS(SocketUNIXCreateListener),
- TRANS(SocketUNIXResetListener),
- TRANS(SocketUNIXAccept),
-#endif /* TRANS_SERVER */
-#ifdef TRANS_CLIENT
- TRANS(SocketUNIXConnect),
-#endif /* TRANS_CLIENT */
- TRANS(SocketBytesReadable),
- TRANS(SocketRead),
- TRANS(SocketWrite),
- TRANS(SocketReadv),
- TRANS(SocketWritev),
- TRANS(SocketDisconnect),
- TRANS(SocketUNIXClose),
- TRANS(SocketUNIXCloseForCloning),
- };
-
-#endif /* UNIXCONN */