Xtranssock.c
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上传日期:2022-06-04
资源大小:8887k
文件大小:59k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- 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.
- * 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.
- */
- #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
- #include <sys/un.h>
- #endif
- #include <sys/stat.h>
- #endif
- #ifndef NO_TCP_H
- #if defined(linux) || defined(__GLIBC__)
- #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)
- #include <sys/filio.h>
- #endif
- #if (defined(__i386__) && defined(SYSV)) && !defined(SCO325) && !defined(sun)
- #include <net/errno.h>
- #endif
- #if defined(__i386__) && defined(SYSV)
- #include <sys/stropts.h>
- #endif
- #include <unistd.h>
- #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
- /* others don't need this */
- #define SocketInitOnce() /**/
- #ifdef linux
- #define HAVE_ABSTRACT_SOCKETS
- #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
- #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 /* UNIXCONN */
- #define PORTBUFSIZE 32
- #ifndef MAXHOSTNAMELEN
- #define MAXHOSTNAMELEN 255
- #endif
- #if defined HAVE_SOCKLEN_T || (defined(IPv6) && defined(AF_INET6))
- # define SOCKLEN_T socklen_t
- #elif defined(SVR4) || defined(__SCO__)
- # define SOCKLEN_T size_t
- #else
- # define SOCKLEN_T int
- #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
- /*
- * 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;
- SOCKLEN_T namelen;
- 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;
- }
- bzero(socknamePtr, namelen);
- if (getsockname (ciptr->fd,(struct sockaddr *) socknamePtr,
- (void *)&namelen) < 0)
- {
- #ifdef WIN32
- errno = WSAGetLastError();
- #endif
- PRMSG (1,"SocketINETGetAddr: getsockname() failed: %dn",
- 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 addrn",
- 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;
- SOCKLEN_T namelen;
- #if defined(IPv6) && defined(AF_INET6)
- if (haveIPv6 && ciptr->family == AF_INET6)
- {
- namelen = sizeof(socknamev6);
- socknamePtr = &socknamev6;
- }
- else
- #endif
- {
- namelen = sizeof(socknamev4);
- socknamePtr = &socknamev4;
- }
- bzero(socknamePtr, namelen);
- 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: %dn",
- 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 addrn",
- 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 failedn", 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 >= sysconf(_SC_OPEN_MAX)
- #endif
- #endif
- ) {
- #ifdef WIN32
- errno = WSAGetLastError();
- #endif
- PRMSG (2, "SocketOpen: socket() failed for %sn",
- 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;
- int portlen;
- struct sockaddr *addr;
- PRMSG (3,"SocketReopen(%d,%d,%s)n", type, fd, port);
- if (port == NULL) {
- PRMSG (1, "SocketReopen: port was null!n", 0, 0, 0);
- return NULL;
- }
- portlen = strlen(port) + 1; // include space for trailing null
- #ifdef SOCK_MAXADDRLEN
- if (portlen < 0 || portlen > (SOCK_MAXADDRLEN + 2)) {
- PRMSG (1, "SocketReopen: invalid portlen %dn", portlen, 0, 0);
- return NULL;
- }
- if (portlen < 14) portlen = 14;
- #else
- if (portlen < 0 || portlen > 14) {
- PRMSG (1, "SocketReopen: invalid portlen %dn", portlen, 0, 0);
- return NULL;
- }
- #endif /*SOCK_MAXADDRLEN*/
- if ((ciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketReopen: malloc(ciptr) failedn", 0, 0, 0);
- return NULL;
- }
- ciptr->fd = fd;
- if ((addr = (struct sockaddr *) xcalloc (1, portlen + 2)) == NULL) {
- PRMSG (1, "SocketReopen: malloc(addr) failedn", 0, 0, 0);
- return NULL;
- }
- ciptr->addr = (char *) addr;
- ciptr->addrlen = portlen + 2;
- if ((ciptr->peeraddr = (char *) xcalloc (1, portlen + 2)) == NULL) {
- PRMSG (1, "SocketReopen: malloc(portaddr) failedn", 0, 0, 0);
- return NULL;
- }
- ciptr->peeraddrlen = portlen + 2;
- /* Initialize ciptr structure as if it were a normally-opened unix socket */
- ciptr->flags = TRANS_LOCAL | TRANS_NOUNLINK;
- #ifdef BSD44SOCKETS
- addr->sa_len = portlen + 1;
- #endif
- addr->sa_family = AF_UNIX;
- #ifdef HAS_STRLCPY
- strlcpy(addr->sa_data, port, portlen);
- #else
- strncpy(addr->sa_data, port, portlen);
- #endif
- ciptr->family = AF_UNIX;
- memcpy(ciptr->peeraddr, ciptr->addr, sizeof(struct sockaddr));
- ciptr->port = rindex(addr->sa_data, ':');
- if (ciptr->port[0] == ':') ciptr->port++; /* port should now point to portnum or NULL */
- 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 ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCOTSClient: Unable to open socket for %sn",
- transname, 0, 0);
- else
- PRMSG (1,"SocketOpenCOTSClient: Unable to determine socket type for %sn",
- transname, 0, 0);
- return NULL;
- }
- /* 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 %sn",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCOTSServer: Unable to determine socket type for %sn",
- 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 ((ciptr = TRANS(SocketOpen) (
- i, Sockettrans2devtab[i].devcotsname)) != NULL)
- break;
- }
- if (i < 0) {
- if (i == -1)
- PRMSG (1,"SocketOpenCLTSClient: Unable to open socket for %sn",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCLTSClient: Unable to determine socket type for %sn",
- thistrans->TransName, 0, 0);
- return NULL;
- }
- /* 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 %sn",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketOpenCLTSServer: Unable to determine socket type for %sn",
- 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 %sn",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketReopenCOTSServer: Unable to determine socket type for %sn",
- 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 %sn",
- thistrans->TransName, 0, 0);
- else
- PRMSG (1,"SocketReopenCLTSServer: Unable to determine socket type for %sn",
- 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);
- return -1;
- }
- #ifdef UNIXCONN
- static int
- set_sun_path(const char *port, const char *upath, char *path, int abstract)
- {
- struct sockaddr_un s;
- int maxlen = sizeof(s.sun_path) - 1;
- const char *at = "";
- if (!port || !*port || !path)
- return -1;
- #ifdef HAVE_ABSTRACT_SOCKETS
- if (port[0] == '@')
- upath = "";
- else if (abstract)
- at = "@";
- #endif
- if (*port == '/') /* a full pathname */
- upath = "";
- if (strlen(port) + strlen(upath) > maxlen)
- return -1;
- sprintf(path, "%s%s%s", at, upath, port);
- return 0;
- }
- #endif
- #ifdef TRANS_SERVER
- static int
- TRANS(SocketCreateListener) (XtransConnInfo ciptr,
- struct sockaddr *sockname,
- int socknamelen, unsigned int flags)
- {
- SOCKLEN_T 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;
- 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 listenern",
- 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() failedn", 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);
- 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;
- SOCKLEN_T 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 %sn",
- 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() failedn",
- 0, 0, 0);
- return status;
- }
- if (TRANS(SocketINETGetAddr) (ciptr) < 0)
- {
- PRMSG (1,
- "SocketINETCreateListener: ...SocketINETGetAddr() failedn",
- 0, 0, 0);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- return 0;
- }
- #endif /* TCPCONN */
- #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;
- char tmpport[108];
- int abstract = 0;
- #ifdef HAVE_ABSTRACT_SOCKETS
- abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
- #endif
- 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
- if (!abstract && trans_mkdir(UNIX_DIR, mode) == -1) {
- PRMSG (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %dn",
- UNIX_DIR, errno, 0);
- (void) umask (oldUmask);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- #endif
- memset(&sockname, 0, sizeof(sockname));
- sockname.sun_family = AF_UNIX;
- if (!(port && *port)) {
- snprintf (tmpport, sizeof(tmpport), "%s%ld", UNIX_PATH, (long)getpid());
- port = tmpport;
- }
- if (set_sun_path(port, UNIX_PATH, sockname.sun_path, abstract) != 0) {
- PRMSG (1, "SocketUNIXCreateListener: path too longn", 0, 0, 0);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- #if (defined(BSD44SOCKETS) || defined(__UNIXWARE__))
- sockname.sun_len = strlen(sockname.sun_path);
- #endif
- #if defined(BSD44SOCKETS) || defined(SUN_LEN)
- namelen = SUN_LEN(&sockname);
- #else
- namelen = strlen(sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
- #endif
- if (abstract) {
- sockname.sun_path[0] = ' ';
- namelen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(&sockname.sun_path[1]);
- }
- else
- unlink (sockname.sun_path);
- if ((status = TRANS(SocketCreateListener) (ciptr,
- (struct sockaddr *) &sockname, namelen, flags)) < 0)
- {
- PRMSG (1,
- "SocketUNIXCreateListener: ...SocketCreateListener() failedn",
- 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 addrn",
- 0, 0, 0);
- (void) umask (oldUmask);
- return TRANS_CREATE_LISTENER_FAILED;
- }
- if (abstract)
- sockname.sun_path[0] = '@';
- 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;
- int abstract = 0;
- #ifdef HAVE_ABSTRACT_SOCKETS
- abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
- #endif
- PRMSG (3, "SocketUNIXResetListener(%p,%d)n", ciptr, ciptr->fd, 0);
- if (!abstract && (
- 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
- if (trans_mkdir(UNIX_DIR, mode) == -1) {
- PRMSG (1, "SocketUNIXResetListener: mkdir(%s) failed, errno = %dn",
- UNIX_DIR, errno, 0);
- (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;
- SOCKLEN_T 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 failedn", 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() failedn", 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;
- SOCKLEN_T namelen = sizeof sockname;
- PRMSG (2, "SocketUNIXAccept(%p,%d)n", ciptr, ciptr->fd, 0);
- if ((newciptr = (XtransConnInfo) xcalloc (
- 1, sizeof(struct _XtransConnInfo))) == NULL)
- {
- PRMSG (1, "SocketUNIXAccept: malloc() failedn", 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() failedn", 0, 0, 0);
- xfree (newciptr);
- *status = TRANS_ACCEPT_FAILED;
- return NULL;
- }
- ciptr->addrlen = namelen;
- /*
- * 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 addrn",
- 0, 0, 0);
- close (newciptr->fd);
- xfree (newciptr);
- *status = TRANS_ACCEPT_BAD_MALLOC;
- return NULL;
- }
- /*
- * if the socket is abstract, we already modified the address to have a
- * @ instead of the initial NUL, so no need to do that again here.
- */
- 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 addrn",
- 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] = ' ';
- (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] = ' ';
- strncpy(addrlist->host, host, sizeof(addrlist->host));
- addrlist->host[sizeof(addrlist->host) - 1] = ' ';
- 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: %sn", 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 addressesn", 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:%sn", 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 = %sn",
- inet_ntop(addrlist->addr->ai_family,&sin->sin_addr,
- ntopbuf,sizeof(ntopbuf)), 0, 0);
- PRMSG (4,"SocketINETConnect() sockname.sin_port = %dn",
- 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 addressn", 0,0,0);
- }
- if (newciptr)
- xfree(newciptr);
- } else {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect Skipping IPv4 addressn",
- 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 = %sn",
- inet_ntop(addrlist->addr->ai_family,
- &sin6->sin6_addr,ntopbuf,sizeof(ntopbuf)),
- 0, 0);
- PRMSG (4,"SocketINETConnect() sockname.sin6_port = %dn",
- 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 addressn", 0,0,0);
- }
- if (newciptr)
- xfree(newciptr);
- }
- else
- {
- socketaddr = NULL;
- PRMSG (4,"SocketINETConnect() Skipping IPv6 addressn",
- 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) = %xn", host, tmpaddr, 0);
- if (tmpaddr == INADDR_NONE) {
- if ((hostp = _XGethostbyname(host,hparams)) == NULL) {
- PRMSG (1,"SocketINETConnect: Can't get address for %sn",
- host, 0, 0);
- ESET(EINVAL);
- return TRANS_CONNECT_FAILED;
- }
- if (hostp->h_addrtype != AF_INET) { /* is IP host? */
- PRMSG (1,"SocketINETConnect: not INET host%sn", host, 0, 0);
- ESET(EPROTOTYPE);
- return TRANS_CONNECT_FAILED;
- }
- memcpy ((char *) &sockname.sin_addr, (char *) hostp->h_addr,
- sizeof (sockname.sin_addr));
- } else {
- sockname.sin_addr.s_addr = tmpaddr;
- }
- /*
- * 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 %sn",
- 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 = %dn",
- 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 = %dn",
- 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;
- SOCKLEN_T namelen;
- int abstract = 0;
- #ifdef HAVE_ABSTRACT_SOCKETS
- abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
- #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 (host && *host && host[0]!='/' && strcmp (host, "unix") != 0 && !UnixHostReallyLocal (host))
- {
- PRMSG (1,
- "SocketUNIXConnect: Cannot connect to non-local host %sn",
- host, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- /*
- * Check the port.
- */
- if (!port || !*port)
- {
- PRMSG (1,"SocketUNIXConnect: Missing port specificationn",
- 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- /*
- * Build the socket name.
- */
- sockname.sun_family = AF_UNIX;
- if (set_sun_path(port, UNIX_PATH, sockname.sun_path, abstract) != 0) {
- PRMSG (1, "SocketUNIXConnect: path too longn", 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- #if (defined(BSD44SOCKETS) || defined(__UNIXWARE__))
- sockname.sun_len = strlen (sockname.sun_path);
- #endif
- #if defined(BSD44SOCKETS) || defined(SUN_LEN)
- namelen = SUN_LEN (&sockname);
- #else
- namelen = strlen (sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
- #endif
- /*
- * Adjust the socket path if using abstract sockets.
- * Done here because otherwise all the strlen() calls above would fail.
- */
- if (abstract) {
- sockname.sun_path[0] = ' ';
- }
- /*
- * Do the connect()
- */
- if (connect (ciptr->fd, (struct sockaddr *) &sockname, namelen) < 0)
- {
- int olderrno = errno;
- int connected = 0;
- if (!connected)
- {
- errno = olderrno;
- /*
- * If the error was ENOENT, the server may be starting up; we used
- * to suggest to try again in this case with
- * TRANS_TRY_CONNECT_AGAIN, but this introduced problems for
- * processes still referencing stale sockets in their environment.
- * Hence, we now return a hard error, TRANS_CONNECT_FAILED, and it
- * is suggested that higher level stacks handle retries on their
- * level when they face a slow starting server.
- *
- * 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 == EWOULDBLOCK || olderrno == EINPROGRESS)
- return TRANS_IN_PROGRESS;
- else if (olderrno == EINTR)
- return TRANS_TRY_CONNECT_AGAIN;
- else if (olderrno == ENOENT || olderrno == ECONNREFUSED) {
- /* If opening as abstract socket failed, try again normally */
- if (abstract) {
- ciptr->transptr->flags &= ~(TRANS_ABSTRACT);
- return TRANS_TRY_CONNECT_AGAIN;
- } else {
- return TRANS_CONNECT_FAILED;
- }
- } else {
- PRMSG (2,"SocketUNIXConnect: Can't connect: errno = %dn",
- EGET(),0, 0);
- return TRANS_CONNECT_FAILED;
- }
- }
- }
- /*
- * 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 addrn",
- 0, 0, 0);
- return TRANS_CONNECT_FAILED;
- }
- if (abstract)
- sockname.sun_path[0] = '@';
- 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);
- #ifdef WIN32
- {
- int ret = ioctlsocket ((SOCKET) ciptr->fd, FIONREAD, (u_long *) pend);
- if (ret == SOCKET_ERROR) errno = WSAGetLastError();
- return ret;
- }
- #else
- #if defined(__i386__) && defined(SYSV) && !defined(SCO325)
- return ioctl (ciptr->fd, I_NREAD, (char *) pend);
- #else
- return ioctl (ciptr->fd, FIONREAD, (char *) pend);
- #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(WIN32)
- {
- int ret = recv ((SOCKET)ciptr->fd, buf, size, 0);
- #ifdef WIN32
- if (ret == SOCKET_ERROR) errno = WSAGetLastError();
- #endif
- return ret;
- }
- #else
- return read (ciptr->fd, buf, size);
- #endif /* WIN32 */
- }
- static int
- TRANS(SocketWrite) (XtransConnInfo ciptr, char *buf, int size)
- {
- PRMSG (2,"SocketWrite(%d,%p,%d)n", ciptr->fd, buf, size);
- #if defined(WIN32)
- {
- int ret = send ((SOCKET)ciptr->fd, buf, size, 0);
- #ifdef WIN32
- if (ret == SOCKET_ERROR) errno = WSAGetLastError();
- #endif
- return ret;
- }
- #else
- return write (ciptr->fd, buf, size);
- #endif /* WIN32 */
- }
- static int
- TRANS(SocketReadv) (XtransConnInfo ciptr, struct iovec *buf, int size)
- {
- PRMSG (2,"SocketReadv(%d,%p,%d)n", ciptr->fd, buf, size);
- return READV (ciptr, buf, size);
- }
- static int
- TRANS(SocketWritev) (XtransConnInfo ciptr, struct iovec *buf, int size)
- {
- PRMSG (2,"SocketWritev(%d,%p,%d)n", ciptr->fd, buf, size);
- return WRITEV (ciptr, buf, size);
- }
- static int
- TRANS(SocketDisconnect) (XtransConnInfo ciptr)
- {
- PRMSG (2,"SocketDisconnect(%p,%d)n", ciptr, ciptr->fd, 0);
- #ifdef WIN32
- {
- int ret = shutdown (ciptr->fd, 2);
- if (ret == SOCKET_ERROR) 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);
- if (ret == SOCKET_ERROR) 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(%p,%d)n", ciptr, ciptr->fd, 0);
- ret = close(ciptr->fd);
- if (ciptr->flags
- && sockname
- && sockname->sun_family == AF_UNIX
- && sockname->sun_path[0])
- {
- if (!(ciptr->flags & TRANS_NOUNLINK
- || ciptr->transptr->flags & TRANS_ABSTRACT))
- unlink (sockname->sun_path);
- }
- return ret;
- }
- static int
- TRANS(SocketUNIXCloseForCloning) (XtransConnInfo ciptr)
- {
- /*
- * Don't unlink path.
- */
- int ret;
- PRMSG (2,"SocketUNIXCloseForCloning(%p,%d)n",
- ciptr, ciptr->fd, 0);
- 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",
- #ifdef HAVE_ABSTRACT_SOCKETS
- TRANS_ABSTRACT,
- #else
- 0,
- #endif
- #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) && !defined(HAVE_ABSTRACT_SOCKETS)
- 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 */