diff options
Diffstat (limited to 'nx-X11/lib/xtrans/Xtranssock.c.NX.original')
| -rw-r--r-- | nx-X11/lib/xtrans/Xtranssock.c.NX.original | 3417 |
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 */ |