/* $Xorg: Xtranslcl.c,v 1.6 2001/02/09 02:04:06 xorgcvs Exp $ */ /* Copyright 1993, 1994, 1998 The Open Group 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 Open Group 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 Open Group. */ /* $XFree86: xc/lib/xtrans/Xtranslcl.c,v 3.41 2003/08/26 15:38:39 tsi 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. */ /* * * The connection code/ideas in lib/X and server/os for SVR4/Intel * environments was contributed by the following companies/groups: * * MetroLink Inc * NCR * Pittsburgh Powercomputing Corporation (PPc)/Quarterdeck Office Systems * SGCS * Unix System Laboratories (USL) / Novell * XFree86 * * The goal is to have common connection code among all SVR4/Intel vendors. * * ALL THE ABOVE COMPANIES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, * IN NO EVENT SHALL THESE COMPANIES * 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 <errno.h> #include <ctype.h> #include <sys/signal.h> #include <sys/ioctl.h> #include <sys/stat.h> #if defined(SVR4) #if !defined(DGUX) #include <sys/filio.h> #else /* DGUX */ #include <sys/stream.h> #include <sys/ptms.h> #endif #endif #include <sys/stropts.h> #include <sys/wait.h> #include <sys/types.h> /* * The local transports should be treated the same as a UNIX domain socket * wrt authentication, etc. Because of this, we will use struct sockaddr_un * for the address format. This will simplify the code in other places like * The X Server. */ #include <sys/socket.h> #ifndef X_NO_SYS_UN #include <sys/un.h> #endif #if defined(ISC) && !defined(_POSIX_SOURCE) typedef unsigned short mode_t; /* POSIX needed for mode_t define in sys/types.h */ #endif /* * These functions actually implement the local connection mechanisms. */ /* Type Not Supported */ static int TRANS(OpenFail)(XtransConnInfo ciptr, char *port) { return -1; } #ifdef TRANS_REOPEN static int TRANS(ReopenFail)(XtransConnInfo ciptr, int fd, char *port) { return 0; } #endif /* TRANS_REOPEN */ static int TRANS(FillAddrInfo)(XtransConnInfo ciptr, char *sun_path, char *peer_sun_path) { struct sockaddr_un *sunaddr; struct sockaddr_un *p_sunaddr; ciptr->family = AF_UNIX; ciptr->addrlen = sizeof (struct sockaddr_un); if ((sunaddr = (struct sockaddr_un *) xalloc (ciptr->addrlen)) == NULL) { PRMSG(1,"FillAddrInfo: failed to allocate memory for addr\n", 0,0,0); return 0; } sunaddr->sun_family = AF_UNIX; if (strlen(sun_path) > sizeof(sunaddr->sun_path) - 1) { PRMSG(1, "FillAddrInfo: path too long\n", 0, 0, 0); return 0; } strcpy (sunaddr->sun_path, sun_path); #if defined(BSD44SOCKETS) && !defined(Lynx) sunaddr->sun_len = strlen (sunaddr->sun_path); #endif ciptr->addr = (char *) sunaddr; ciptr->peeraddrlen = sizeof (struct sockaddr_un); if ((p_sunaddr = (struct sockaddr_un *) xalloc ( ciptr->peeraddrlen)) == NULL) { PRMSG(1, "FillAddrInfo: failed to allocate memory for peer addr\n", 0,0,0); xfree ((char *) sunaddr); ciptr->addr = NULL; return 0; } p_sunaddr->sun_family = AF_UNIX; if (strlen(peer_sun_path) > sizeof(p_sunaddr->sun_path) - 1) { PRMSG(1, "FillAddrInfo: peer path too long\n", 0, 0, 0); return 0; } strcpy (p_sunaddr->sun_path, peer_sun_path); #if defined(BSD44SOCKETS) && !defined(Lynx) p_sunaddr->sun_len = strlen (p_sunaddr->sun_path); #endif ciptr->peeraddr = (char *) p_sunaddr; return 1; } /* PTS */ #if defined(SYSV) && !defined(sco) && !defined(SCO) && !defined(ISC) #define SIGNAL_T int #else #define SIGNAL_T void #endif /* SYSV */ typedef SIGNAL_T (*PFV)(); extern PFV signal(); extern char *ptsname( int ); static void _dummy(int sig) { } #ifndef sun #define X_STREAMS_DIR "/dev/X" #define DEV_SPX "/dev/spx" #else #ifndef X11_t #define X_STREAMS_DIR "/dev/X" #else #define X_STREAMS_DIR "/tmp/.X11-pipe" #endif #endif #define DEV_PTMX "/dev/ptmx" #if defined(X11_t) #define PTSNODENAME "/dev/X/server." #ifndef sun #define NAMEDNODENAME "/dev/X/Nserver." #else #define NAMEDNODENAME "/tmp/.X11-pipe/X" #endif /* * ISC and SCO are only defined for X11 since they are there for * backwards binary compatability only. */ #define X_ISC_DIR "/dev/X/ISCCONN" #define ISCDEVNODENAME "/dev/X/ISCCONN/X%s" #define ISCTMPNODENAME "/tmp/.X11-unix/X%s" #define SCORNODENAME "/dev/X%1sR" #define SCOSNODENAME "/dev/X%1sS" #endif #if defined(XIM_t) #define PTSNODENAME "/dev/X/XIM." #define NAMEDNODENAME "/dev/X/NXIM." #endif #if defined(FS_t) || defined (FONT_t) /* * USL has already defined something here. We need to check with them * and see if their choice is usable here. */ #define PTSNODENAME "/dev/X/fontserver." #define NAMEDNODENAME "/dev/X/Nfontserver." #endif #if defined(ICE_t) #define PTSNODENAME "/dev/X/ICE." #define NAMEDNODENAME "/dev/X/NICE." #endif #if defined(TEST_t) #define PTSNODENAME "/dev/X/transtest." #define NAMEDNODENAME "/dev/X/Ntranstest." #endif #ifndef sun #ifdef TRANS_CLIENT static int TRANS(PTSOpenClient)(XtransConnInfo ciptr, char *port) { #ifdef PTSNODENAME int fd,server,exitval,alarm_time,ret; char server_path[64]; char *slave, namelen; char buf[20]; /* MAX_PATH_LEN?? */ PFV savef; pid_t saved_pid; #endif PRMSG(2,"PTSOpenClient(%s)\n", port, 0,0 ); #if !defined(PTSNODENAME) PRMSG(1,"PTSOpenClient: Protocol is not supported by a pts connection\n", 0,0,0); return -1; #else if (port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", PTSNODENAME, port); } } else { (void) sprintf(server_path, "%s%d", PTSNODENAME, getpid()); } /* * Open the node the on which the server is listening. */ if ((server = open (server_path, O_RDWR)) < 0) { PRMSG(1,"PTSOpenClient: failed to open %s\n", server_path, 0,0); return -1; } /* * Open the streams based pipe that will be this connection. */ if ((fd = open("/dev/ptmx", O_RDWR)) < 0) { PRMSG(1,"PTSOpenClient: failed to open /dev/ptmx\n", 0,0,0); return -1; } (void) grantpt(fd); (void) unlockpt(fd); slave = ptsname(fd); /* get name */ if( slave == NULL ) { PRMSG(1,"PTSOpenClient: failed to get ptsname()\n", 0,0,0); close(fd); close(server); return -1; } /* * This is neccesary for the case where a program is setuid to non-root. * grantpt() calls /usr/lib/pt_chmod which is set-uid root. This program will * set the owner of the pt device incorrectly if the uid is not restored * before it is called. The problem is that once it gets restored, it * cannot be changed back to its original condition, hence the fork(). */ if(!(saved_pid=fork())) { uid_t saved_euid; saved_euid = geteuid(); setuid( getuid() ); /** sets the euid to the actual/real uid **/ if( chown( slave, saved_euid, -1 ) < 0 ) { exit( 1 ); } exit( 0 ); } waitpid(saved_pid, &exitval, 0); if (chmod(slave, 0666) < 0) { close(fd); close(server); PRMSG(1,"PTSOpenClient: Cannot chmod %s\n", slave, 0,0); return(-1); } /* * write slave name to server */ namelen = strlen(slave); buf[0] = namelen; (void) sprintf(&buf[1], slave); (void) write(server, buf, namelen+1); (void) close(server); /* * wait for server to respond */ savef = signal(SIGALRM, _dummy); alarm_time = alarm (30); /* CONNECT_TIMEOUT */ ret = read(fd, buf, 1); (void) alarm(alarm_time); (void) signal(SIGALRM, savef); if (ret != 1) { PRMSG(1, "PTSOpenClient: failed to get acknoledgement from server\n", 0,0,0); (void) close(fd); fd = -1; } /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, slave, server_path) == 0) { PRMSG(1,"PTSOpenClient: failed to fill in addr info\n", 0,0,0); close(fd); return -1; } return(fd); #endif /* !PTSNODENAME */ } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static int TRANS(PTSOpenServer)(XtransConnInfo ciptr, char *port) { #ifdef PTSNODENAME int fd, server; char server_path[64], *slave; int mode; #endif PRMSG(2,"PTSOpenServer(%s)\n", port, 0,0 ); #if !defined(PTSNODENAME) PRMSG(1,"PTSOpenServer: Protocol is not supported by a pts connection\n", 0,0,0); return -1; #else if (port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", PTSNODENAME, port); } } else { (void) sprintf(server_path, "%s%d", PTSNODENAME, getpid()); } #ifdef HAS_STICKY_DIR_BIT mode = 01777; #else mode = 0777; #endif if (trans_mkdir(X_STREAMS_DIR, mode) == -1) { PRMSG (1, "PTSOpenServer: mkdir(%s) failed, errno = %d\n", X_STREAMS_DIR, errno, 0); return(-1); } #if 0 if( (fd=open(server_path, O_RDWR)) >= 0 ) { /* * This doesn't prevent the server from starting up, and doesn't * prevent clients from trying to connect to the in-use PTS (which * is often in use by something other than another server). */ PRMSG(1, "PTSOpenServer: A server is already running on port %s\n", port, 0,0 ); PRMSG(1, "PTSOpenServer: Remove %s if this is incorrect.\n", server_path, 0,0 ); close(fd); return(-1); } #else /* Just remove the old path (which is what happens with UNIXCONN) */ #endif unlink(server_path); if( (fd=open(DEV_PTMX, O_RDWR)) < 0) { PRMSG(1, "PTSOpenServer: Unable to open %s\n", DEV_PTMX, 0,0 ); return(-1); } grantpt(fd); unlockpt(fd); if( (slave=ptsname(fd)) == NULL) { PRMSG(1, "PTSOpenServer: Unable to get slave device name\n", 0,0,0 ); close(fd); return(-1); } if( link(slave,server_path) < 0 ) { PRMSG(1, "PTSOpenServer: Unable to link %s to %s\n", slave, server_path,0 ); close(fd); return(-1); } if( chmod(server_path, 0666) < 0 ) { PRMSG(1, "PTSOpenServer: Unable to chmod %s to 0666\n", server_path,0,0 ); close(fd); return(-1); } if( (server=open(server_path, O_RDWR)) < 0 ) { PRMSG(1, "PTSOpenServer: Unable to open server device %s\n", server_path,0,0 ); close(fd); return(-1); } close(server); /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"PTSOpenServer: failed to fill in addr info\n", 0,0,0); close(fd); return -1; } return fd; #endif /* !PTSNODENAME */ } static int TRANS(PTSAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status) { int newfd; int in; unsigned char length; char buf[256]; struct sockaddr_un *sunaddr; PRMSG(2,"PTSAccept(%x->%d)\n",ciptr,ciptr->fd,0); if( (in=read(ciptr->fd,&length,1)) <= 0 ){ if( !in ) { PRMSG(2, "PTSAccept: Incoming connection closed\n",0,0,0); } else { PRMSG(1, "PTSAccept: Error reading incoming connection. errno=%d \n", errno,0,0); } *status = TRANS_ACCEPT_MISC_ERROR; return -1; } if( (in=read(ciptr->fd,buf,length)) <= 0 ){ if( !in ) { PRMSG(2, "PTSAccept: Incoming connection closed\n",0,0,0); } else { PRMSG(1, "PTSAccept: Error reading device name for new connection. errno=%d \n", errno,0,0); } *status = TRANS_ACCEPT_MISC_ERROR; return -1; } buf[length] = '\0'; if( (newfd=open(buf,O_RDWR)) < 0 ) { PRMSG(1, "PTSAccept: Failed to open %s\n",buf,0,0); *status = TRANS_ACCEPT_MISC_ERROR; return -1; } write(newfd,"1",1); /* * Everything looks good: fill in the XtransConnInfo structure. */ newciptr->addrlen=ciptr->addrlen; if( (newciptr->addr=(char *)xalloc(newciptr->addrlen)) == NULL ) { PRMSG(1,"PTSAccept: failed to allocate memory for peer addr\n", 0,0,0); close(newfd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen); newciptr->peeraddrlen=sizeof(struct sockaddr_un); if( (sunaddr=(struct sockaddr_un *)xalloc(newciptr->peeraddrlen)) == NULL ) { PRMSG(1,"PTSAccept: failed to allocate memory for peer addr\n", 0,0,0); xfree(newciptr->addr); close(newfd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } sunaddr->sun_family=AF_UNIX; strcpy(sunaddr->sun_path,buf); #if defined(BSD44SOCKETS) && !defined(Lynx) sunaddr->sun_len=strlen(sunaddr->sun_path); #endif newciptr->peeraddr=(char *)sunaddr; *status = 0; return newfd; } #endif /* TRANS_SERVER */ #endif /* sun */ #ifdef SVR4 /* NAMED */ #ifdef TRANS_CLIENT static int TRANS(NAMEDOpenClient)(XtransConnInfo ciptr, char *port) { #ifdef NAMEDNODENAME int fd; char server_path[64]; struct stat filestat; extern int isastream(); #endif PRMSG(2,"NAMEDOpenClient(%s)\n", port, 0,0 ); #if !defined(NAMEDNODENAME) PRMSG(1,"NAMEDOpenClient: Protocol is not supported by a NAMED connection\n", 0,0,0); return -1; #else if ( port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", NAMEDNODENAME, port); } } else { (void) sprintf(server_path, "%s%ld", NAMEDNODENAME, (long)getpid()); } if (stat(server_path, &filestat) < 0 ) { PRMSG(1,"NAMEDOpenClient: No device %s for NAMED connection\n", server_path, 0,0 ); return -1; } if ((filestat.st_mode & S_IFMT) != S_IFIFO) { PRMSG(1,"NAMEDOpenClient: Device %s is not a FIFO\n", server_path, 0,0 ); /* Is this really a failure? */ return -1; } if ((fd = open(server_path, O_RDWR)) < 0) { PRMSG(1,"NAMEDOpenClient: Cannot open %s for NAMED connection\n", server_path, 0,0 ); return -1; } if (isastream(fd) <= 0) { PRMSG(1,"NAMEDOpenClient: %s is not a streams device\n", server_path, 0,0 ); (void) close(fd); return -1; } /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"NAMEDOpenClient: failed to fill in addr info\n", 0,0,0); close(fd); return -1; } return(fd); #endif /* !NAMEDNODENAME */ } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static int TRANS(NAMEDOpenServer)(XtransConnInfo ciptr, char *port) { #ifdef NAMEDNODENAME int fd, pipefd[2]; char server_path[64]; struct stat sbuf; int mode; #endif PRMSG(2,"NAMEDOpenServer(%s)\n", port, 0,0 ); #if !defined(NAMEDNODENAME) PRMSG(1,"NAMEDOpenServer: Protocol is not supported by a NAMED connection\n", 0,0,0); return -1; #else if ( port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", NAMEDNODENAME, port); } } else { (void) sprintf(server_path, "%s%ld", NAMEDNODENAME, (long)getpid()); } #ifdef HAS_STICKY_DIR_BIT mode = 01777; #else mode = 0777; #endif if (trans_mkdir(X_STREAMS_DIR, mode) == -1) { PRMSG (1, "NAMEDOpenServer: mkdir(%s) failed, errno = %d\n", X_STREAMS_DIR, errno, 0); return(-1); } if(stat(server_path, &sbuf) != 0) { if (errno == ENOENT) { if ((fd = creat(server_path, (mode_t)0666)) == -1) { PRMSG(1, "NAMEDOpenServer: Can't open %s\n", server_path, 0,0 ); return(-1); } close(fd); if (chmod(server_path, (mode_t)0666) < 0) { PRMSG(1, "NAMEDOpenServer: Can't open %s\n", server_path, 0,0 ); return(-1); } } else { PRMSG(1, "NAMEDOpenServer: stat on %s failed\n", server_path, 0,0 ); return(-1); } } if( pipe(pipefd) != 0) { PRMSG(1, "NAMEDOpenServer: pipe() failed, errno=%d\n",errno, 0,0 ); return(-1); } if( ioctl(pipefd[0], I_PUSH, "connld") != 0) { PRMSG(1, "NAMEDOpenServer: ioctl(I_PUSH,\"connld\") failed, errno=%d\n",errno, 0,0 ); close(pipefd[0]); close(pipefd[1]); return(-1); } if( fattach(pipefd[0], server_path) != 0) { PRMSG(1, "NAMEDOpenServer: fattach(%s) failed, errno=%d\n", server_path,errno, 0 ); close(pipefd[0]); close(pipefd[1]); return(-1); } /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"NAMEDOpenServer: failed to fill in addr info\n", 0,0,0); return -1; } return(pipefd[1]); #endif /* !NAMEDNODENAME */ } static int TRANS(NAMEDAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status) { struct strrecvfd str; PRMSG(2,"NAMEDAccept(%x->%d)\n", ciptr, ciptr->fd, 0 ); if( ioctl(ciptr->fd, I_RECVFD, &str ) < 0 ) { PRMSG(1, "NAMEDAccept: ioctl(I_RECVFD) failed, errno=%d\n", errno, 0,0 ); *status = TRANS_ACCEPT_MISC_ERROR; return(-1); } /* * Everything looks good: fill in the XtransConnInfo structure. */ newciptr->addrlen=ciptr->addrlen; if( (newciptr->addr=(char *)xalloc(newciptr->addrlen)) == NULL ) { PRMSG(1, "NAMEDAccept: failed to allocate memory for peer addr\n", 0,0,0); close(str.fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen); newciptr->peeraddrlen=newciptr->addrlen; if( (newciptr->peeraddr=(char *)xalloc(newciptr->peeraddrlen)) == NULL ) { PRMSG(1, "NAMEDAccept: failed to allocate memory for peer addr\n", 0,0,0); xfree(newciptr->addr); close(str.fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->peeraddr,newciptr->addr,newciptr->peeraddrlen); *status = 0; return str.fd; } #endif /* TRANS_SERVER */ #endif /* SVR4 */ #ifndef sun /* SCO doesnt use the ISC transport type - it causes problems */ #ifndef SCO325 /* * connect_spipe is used by the ISC connection type. */ static int connect_spipe(int fd1, int fd2) { long temp; struct strfdinsert sbuf; sbuf.databuf.maxlen = -1; sbuf.databuf.len = -1; sbuf.databuf.buf = NULL; sbuf.ctlbuf.maxlen = sizeof(long); sbuf.ctlbuf.len = sizeof(long); sbuf.ctlbuf.buf = (caddr_t)&temp; sbuf.offset = 0; sbuf.fildes = fd2; sbuf.flags = 0; if( ioctl(fd1, I_FDINSERT, &sbuf) < 0 ) return(-1); return(0); } /* * named_spipe is used by ISC connection type. */ static int named_spipe(int fd, char *path) { int oldUmask, ret; struct stat sbuf; oldUmask = umask(0); (void) fstat(fd, &sbuf); ret = mknod(path, 0020666, sbuf.st_rdev); umask(oldUmask); if (ret < 0) { ret = -1; } else { ret = fd; } return(ret); } /* ISC */ #ifdef TRANS_CLIENT static int TRANS(ISCOpenClient)(XtransConnInfo ciptr, char *port) { #ifdef ISCDEVNODENAME int fd,fds,server; char server_path[64]; char server_dev_path[64]; struct strfdinsert buf; long temp; mode_t spmode; struct stat filestat; #endif PRMSG(2,"ISCOpenClient(%s)\n", port, 0,0 ); #if !defined(ISCDEVNODENAME) PRMSG(1,"ISCOpenClient: Protocol is not supported by a ISC connection\n", 0,0,0); return -1; #else (void) sprintf(server_path, ISCTMPNODENAME, port); (void) sprintf(server_dev_path, ISCDEVNODENAME, port); fd = fds = server = -1; if (stat(DEV_SPX, &filestat) == -1) { PRMSG(1, "ISCOpenClient: stat(%s) failed, errno=%d\n", DEV_SPX, errno, 0 ); return(-1); } spmode = (filestat.st_mode & S_IFMT); if (stat(server_path, &filestat) != -1) { if ((filestat.st_mode & S_IFMT) == spmode) { if ((server = open(server_path, O_RDWR)) < 0) { PRMSG(1,"ISCOpenClient: failed to open %s\n", server_path, 0,0 ); } } } if (server < 0) { /* try the alternate path */ if (stat(server_dev_path, &filestat) != -1) { if ((filestat.st_mode & S_IFMT) == spmode) { if ((server = open(server_dev_path, O_RDWR)) < 0) { PRMSG(1,"ISCOpenClient: failed to open %s\n", server_dev_path, 0,0 ); } } } } if (server < 0) { PRMSG(1,"ISCOpenClient: can't open either device %s or %s\n", server_path, server_dev_path, 0 ); return -1; } if ((fds = open(DEV_SPX, O_RDWR)) < 0 || (fd = open(DEV_SPX, O_RDWR)) < 0) { /* Failed to open all of the devices */ PRMSG(1,"ISCOpenClient: can't open %s\n", DEV_SPX, 0,0 ); (void) close(server); if (fds != -1) (void) close(fds); if (fd != -1) (void) close(fd); return -1; } /* make a STREAMS-pipe */ buf.databuf.maxlen = -1; buf.databuf.len = -1; buf.databuf.buf = NULL; buf.ctlbuf.maxlen = sizeof(long); buf.ctlbuf.len = sizeof(long); buf.ctlbuf.buf = (caddr_t)&temp; buf.offset = 0; buf.fildes = fd; buf.flags = 0; if (ioctl(fds, I_FDINSERT, &buf) < 0 || ioctl(server, I_SENDFD, fds) < 0) { PRMSG(1,"ISCOpenClient: ioctl(I_FDINSERT or I_SENDFD) failed\n", 0,0,0 ); (void) close(server); (void) close(fds); (void) close(fd); return -1; } /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"ISCOpenClient: failed to fill in addr info\n", 0,0,0); close(fd); return -1; } return (fd); #endif /* !ISCDEVNODENAME */ } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static int TRANS(ISCOpenServer)(XtransConnInfo ciptr, char *port) { #ifdef ISCDEVNODENAME int fd = -1,fds = -1; char server_path[64],server_unix_path[64]; unsigned int mode = 0; #endif PRMSG(2,"ISCOpenServer(%s)\n", port, 0,0 ); #if !defined(ISCDEVNODENAME) PRMSG(1,"ISCOpenServer: Protocol is not supported by a ISC connection\n", 0,0,0); return -1; #else (void) sprintf(server_path, ISCDEVNODENAME, port); (void) sprintf(server_unix_path, ISCTMPNODENAME, port); #ifdef HAS_STICKY_DIR_BIT mode = 01777; #else mode = 0777; #endif /* "/dev/X" */ if (trans_mkdir(X_STREAMS_DIR, mode) == -1) { PRMSG (1, "ISCOpenServer: mkdir(%s) failed, errno = %d\n", X_STREAMS_DIR, errno, 0); return(-1); } /* "/dev/X/ISCCONN" */ if (trans_mkdir(X_ISC_DIR, mode) == -1) { PRMSG (1, "ISCOpenServer: mkdir(%s) failed, errno = %d\n", X_ISC_DIR, errno, 0); return(-1); } unlink(server_path); if( ((fds=open(DEV_SPX, O_RDWR)) < 0) || ((fd =open(DEV_SPX, O_RDWR)) < 0)) { PRMSG(1,"ISCOpenServer: failed to open %s\n", DEV_SPX, 0,0 ); return -1; } if( (connect_spipe(fds, fd) < 0) || (named_spipe(fds, server_path) < 0)) { PRMSG(1,"ISCOpenServer: failed connect pipes\n", 0,0,0 ); close(fd); close(fds); return -1; } #if !defined(UNIXCONN) /* * If the UNIX Domain socket transport is not being used, then link this * device to the path /tmp/.X11-unix/X path. */ #define X_UNIX_DIR "/tmp/.X11-unix" if (trans_mkdir(X_UNIX_DIR, mode) == -1) { PRMSG (1, "ISCOpenServer: mkdir(%s) failed, errno = %d\n", X_UNIX_DIR, errno, 0); return(-1); } unlink(server_unix_path); #ifdef SVR4 /* we prefer symbolic links because hard links can't cross file systems */ if( symlink(server_path, server_unix_path) < 0 ) PRMSG(1,"ISCOpenServer: failed to link %s to %s\n", server_path, server_unix_path, 0 ); /* * Don't make this failure fatal since the listener * is already established, and this just for compatability */ #else #ifdef ISC40 /* catch SIGSYS on symlink for ISC40 compiled binaries running on ISC30 */ signal(SIGSYS,_dummy); #endif if( link(server_path, server_unix_path) < 0 ) #ifdef ISC40 if( symlink(server_path, server_unix_path) < 0 ) #endif PRMSG(1,"ISCOpenServer: failed to link %s to %s\n", server_path, server_unix_path, 0 ); /* * Don't make this failure fatal since the listener * is already established, and this just for compatability */ #endif /* SVR4 */ #endif /* !UNIXCONN */ /* * Everything looks good: fill in the XtransConnInfo structure. */ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"ISCOpenServer: failed to fill in addr info\n", 0,0,0); close(fd); return -1; } return fd; #endif /* !ISCDEVNODENAME */ } static int TRANS(ISCAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status) { struct strrecvfd str; PRMSG(2,"ISCAccept(%d)\n", ciptr->fd, 0,0 ); while (ioctl(ciptr->fd, I_RECVFD, &str) < 0) { if (errno != EAGAIN) { PRMSG(1,"ISCAccept: Can't read fildes", 0,0,0 ); *status = TRANS_ACCEPT_MISC_ERROR; return(-1); } } /* * Everything looks good: fill in the XtransConnInfo structure. */ newciptr->addrlen=ciptr->addrlen; if( (newciptr->addr=(char *)xalloc(newciptr->addrlen)) == NULL ) { PRMSG(1, "ISCAccept: failed to allocate memory for peer addr\n", 0,0,0); close(str.fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen); newciptr->peeraddrlen=newciptr->addrlen; if( (newciptr->peeraddr=(char *)xalloc(newciptr->peeraddrlen)) == NULL ) { PRMSG(1, "ISCAccept: failed to allocate memory for peer addr\n", 0,0,0); xfree(newciptr->addr); close(str.fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->peeraddr,newciptr->addr,newciptr->peeraddrlen); *status = 0; return(str.fd); } #endif /* TRANS_SERVER */ #endif /* !SCO325 */ /* SCO */ /* * 2002-11-09 (jkj@sco.com) * * This code has been modified to match what is in the actual SCO X server. * This greatly helps inter-operability between X11R6 and X11R5 (the native * SCO server). Mainly, it relies on streams nodes existing in /dev, not * creating them or unlinking them, which breaks the native X server. */ #ifdef TRANS_CLIENT static int TRANS(SCOOpenClient)(XtransConnInfo ciptr, char *port) { #ifdef SCORNODENAME int fd, server, fl, ret; char server_path[64]; struct strbuf ctlbuf; unsigned long alarm_time; void (*savef)(); long temp; extern int getmsg(), putmsg(); #endif PRMSG(2,"SCOOpenClient(%s)\n", port, 0,0 ); #if !defined(SCORNODENAME) PRMSG(1,"SCOOpenClient: Protocol is not supported by a SCO connection\n", 0,0,0); return -1; #else (void) sprintf(server_path, SCORNODENAME, port); if ((server = open(server_path, O_RDWR)) < 0) { PRMSG(1,"SCOOpenClient: failed to open %s\n", server_path, 0,0 ); return -1; } if ((fd = open(DEV_SPX, O_RDWR)) < 0) { PRMSG(1,"SCOOpenClient: failed to open %s\n", DEV_SPX, 0,0 ); close(server); return -1; } (void) write(server, &server, 1); ctlbuf.len = 0; ctlbuf.maxlen = sizeof(long); ctlbuf.buf = (caddr_t)&temp; fl = 0; savef = signal(SIGALRM, _dummy); alarm_time = alarm(10); ret = getmsg(server, &ctlbuf, 0, &fl); (void) alarm(alarm_time); (void) signal(SIGALRM, savef); if (ret < 0) { PRMSG(1,"SCOOpenClient: error from getmsg\n", 0,0,0 ); close(fd); close(server); return -1; } /* The msg we got via getmsg is the result of an * I_FDINSERT, so if we do a putmsg with whatever * we recieved, we're doing another I_FDINSERT ... */ (void) putmsg(fd, &ctlbuf, 0, 0); (void) fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0)|O_NDELAY); (void) close(server); /* * Everything looks good: fill in the XtransConnInfo structure. */ ciptr->flags |= TRANS_NOUNLINK; if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"SCOOpenClient: failed to fill addr info\n", 0,0,0); close(fd); return -1; } return(fd); #endif /* !SCORNODENAME */ } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static int TRANS(SCOOpenServer)(XtransConnInfo ciptr, char *port) { #ifdef SCORNODENAME char serverR_path[64]; char serverS_path[64]; struct flock mylock; int fdr = -1; int fds = -1; long temp; struct strfdinsert sbuf; #endif PRMSG(2,"SCOOpenServer(%s)\n", port, 0,0 ); #if !defined(SCORNODENAME) PRMSG(1,"SCOOpenServer: Protocol is not supported by a SCO connection\n", 0,0,0); return -1; #else (void) sprintf(serverR_path, SCORNODENAME, port); (void) sprintf(serverS_path, SCOSNODENAME, port); fds = open (serverS_path, O_RDWR | O_NDELAY); if (fds < 0) { PRMSG(1,"SCOOpenServer: failed to open %s", serverS_path, 0, 0); return -1; } /* * Lock the connection device for the duration of the server. * This resolves multiple server starts especially on SMP machines. */ mylock.l_type = F_WRLCK; mylock.l_whence = 0; mylock.l_start = 0; mylock.l_len = 0; if (fcntl (fds, F_SETLK, &mylock) < 0) { PRMSG(1,"SCOOpenServer: failed to lock %s", serverS_path, 0, 0); close (fds); return -1; } fdr = open (serverR_path, O_RDWR | O_NDELAY); if (fds < 0) { PRMSG(1,"SCOOpenServer: failed to open %s", serverR_path, 0, 0); close (fds); return -1; } sbuf.databuf.maxlen = 0; sbuf.databuf.len = -1; sbuf.databuf.buf = NULL; sbuf.ctlbuf.maxlen = sizeof(long); sbuf.ctlbuf.len = sizeof(long); sbuf.ctlbuf.buf = (caddr_t)&temp; sbuf.offset = 0; sbuf.flags = 0; sbuf.fildes = fdr; if (ioctl(fds, I_FDINSERT, &sbuf) < 0) { PRMSG(1,"SCOOpenServer: ioctl(I_FDINSERT) failed on %s", serverS_path, 0, 0); close (fdr); close (fds); return -1; } /* * Everything looks good: fill in the XtransConnInfo structure. */ ciptr->flags |= TRANS_NOUNLINK; if (TRANS(FillAddrInfo) (ciptr, serverS_path, serverR_path) == 0) { PRMSG(1,"SCOOpenServer: failed to fill in addr info\n", 0,0,0); close(fds); close(fdr); return -1; } return(fds); #endif /* !SCORNODENAME */ } static int TRANS(SCOAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status) { char c; int fd; long temp; struct strfdinsert sbuf; PRMSG(2,"SCOAccept(%d)\n", ciptr->fd, 0,0 ); if (read(ciptr->fd, &c, 1) < 0) { PRMSG(1,"SCOAccept: can't read from client",0,0,0); *status = TRANS_ACCEPT_MISC_ERROR; return(-1); } if( (fd = open(DEV_SPX, O_RDWR)) < 0 ) { PRMSG(1,"SCOAccept: can't open \"%s\"",DEV_SPX, 0,0 ); *status = TRANS_ACCEPT_MISC_ERROR; return(-1); } sbuf.databuf.maxlen = 0; sbuf.databuf.len = -1; sbuf.databuf.buf = NULL; sbuf.ctlbuf.maxlen = sizeof(long); sbuf.ctlbuf.len = sizeof(long); sbuf.ctlbuf.buf = (caddr_t)&temp; sbuf.offset = 0; sbuf.flags = 0; sbuf.fildes = fd; if (ioctl(ciptr->fd, I_FDINSERT, &sbuf) < 0) { PRMSG(1,"SCOAccept: ioctl(I_FDINSERT) failed", 0, 0, 0); close (fd); *status = TRANS_ACCEPT_MISC_ERROR; return -1; } /* * Everything looks good: fill in the XtransConnInfo structure. */ newciptr->addrlen=ciptr->addrlen; if( (newciptr->addr=(char *)xalloc(newciptr->addrlen)) == NULL ) { PRMSG(1, "SCOAccept: failed to allocate memory for peer addr\n", 0,0,0); close(fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen); newciptr->flags |= TRANS_NOUNLINK; newciptr->peeraddrlen=newciptr->addrlen; if( (newciptr->peeraddr=(char *)xalloc(newciptr->peeraddrlen)) == NULL ) { PRMSG(1, "SCOAccept: failed to allocate memory for peer addr\n", 0,0,0); xfree(newciptr->addr); close(fd); *status = TRANS_ACCEPT_BAD_MALLOC; return -1; } memcpy(newciptr->peeraddr,newciptr->addr,newciptr->peeraddrlen); *status = 0; return(fd); } #endif /* TRANS_SERVER */ #endif /* sun */ #ifdef TRANS_REOPEN #ifndef sun static int TRANS(PTSReopenServer)(XtransConnInfo ciptr, int fd, char *port) { #ifdef PTSNODENAME char server_path[64]; #endif PRMSG(2,"PTSReopenServer(%d,%s)\n", fd, port, 0 ); #if !defined(PTSNODENAME) PRMSG(1,"PTSReopenServer: Protocol is not supported by a pts connection\n", 0,0,0); return 0; #else if (port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", PTSNODENAME, port); } } else { (void) sprintf(server_path, "%s%ld", PTSNODENAME, (long)getpid()); } if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"PTSReopenServer: failed to fill in addr info\n", 0,0,0); return 0; } return 1; #endif /* !PTSNODENAME */ } #endif /* !sun */ static int TRANS(NAMEDReopenServer)(XtransConnInfo ciptr, int fd, char *port) { #ifdef NAMEDNODENAME char server_path[64]; #endif PRMSG(2,"NAMEDReopenServer(%s)\n", port, 0,0 ); #if !defined(NAMEDNODENAME) PRMSG(1,"NAMEDReopenServer: Protocol is not supported by a NAMED connection\n", 0,0,0); return 0; #else if ( port && *port ) { if( *port == '/' ) { /* A full pathname */ (void) sprintf(server_path, "%s", port); } else { (void) sprintf(server_path, "%s%s", NAMEDNODENAME, port); } } else { (void) sprintf(server_path, "%s%ld", NAMEDNODENAME, (long)getpid()); } if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1,"NAMEDReopenServer: failed to fill in addr info\n", 0,0,0); return 0; } return 1; #endif /* !NAMEDNODENAME */ } #ifndef sun #ifndef SCO325 static int TRANS(ISCReopenServer)(XtransConnInfo ciptr, int fd, char *port) { #ifdef ISCDEVNODENAME char server_path[64], server_unix_path[64]; #endif PRMSG(2,"ISCReopenServer(%s)\n", port, 0,0 ); #if !defined(ISCDEVNODENAME) PRMSG(1,"ISCReopenServer: Protocol is not supported by a ISC connection\n", 0,0,0); return 0; #else (void) sprintf(server_path, ISCDEVNODENAME, port); (void) sprintf(server_unix_path, ISCTMPNODENAME, port); if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0) { PRMSG(1, "ISCReopenServer: failed to fill in addr info\n", 0,0,0); return 0; } return 1; #endif /* !ISCDEVNODENAME */ } #endif /* !SCO325 */ static int TRANS(SCOReopenServer)(XtransConnInfo ciptr, int fd, char *port) { #ifdef SCORNODENAME char serverR_path[64], serverS_path[64]; #endif PRMSG(2,"SCOReopenServer(%s)\n", port, 0,0 ); #if !defined(SCORNODENAME) PRMSG(1,"SCOReopenServer: Protocol is not supported by a SCO connection\n", 0,0,0); return 0; #else (void) sprintf(serverR_path, SCORNODENAME, port); (void) sprintf(serverS_path, SCOSNODENAME, port); ciptr->flags |= TRANS_NOUNLINK; if (TRANS(FillAddrInfo) (ciptr, serverS_path, serverR_path) == 0) { PRMSG(1, "SCOReopenServer: failed to fill in addr info\n", 0,0,0); return 0; } return 1; #endif /* SCORNODENAME */ } #endif /* !sun */ #endif /* TRANS_REOPEN */ /* * This table contains all of the entry points for the different local * connection mechanisms. */ typedef struct _LOCALtrans2dev { char *transname; #ifdef TRANS_CLIENT int (*devcotsopenclient)( XtransConnInfo, char * /*port*/ ); #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER int (*devcotsopenserver)( XtransConnInfo, char * /*port*/ ); #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT int (*devcltsopenclient)( XtransConnInfo, char * /*port*/ ); #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER int (*devcltsopenserver)( XtransConnInfo, char * /*port*/ ); #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN int (*devcotsreopenserver)( XtransConnInfo, int, /* fd */ char * /* port */ ); int (*devcltsreopenserver)( XtransConnInfo, int, /* fd */ char * /* port */ ); #endif /* TRANS_REOPEN */ #ifdef TRANS_SERVER int (*devaccept)( XtransConnInfo, XtransConnInfo, int * ); #endif /* TRANS_SERVER */ } LOCALtrans2dev; static LOCALtrans2dev LOCALtrans2devtab[] = { #ifndef sun {"", #ifdef TRANS_CLIENT TRANS(PTSOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(PTSOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(PTSReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(PTSAccept) #endif /* TRANS_SERVER */ }, {"local", #ifdef TRANS_CLIENT TRANS(PTSOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(PTSOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(PTSReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(PTSAccept) #endif /* TRANS_SERVER */ }, {"pts", #ifdef TRANS_CLIENT TRANS(PTSOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(PTSOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(PTSReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(PTSAccept) #endif /* TRANS_SERVER */ }, #else /* sun */ {"", #ifdef TRANS_CLIENT TRANS(NAMEDOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(NAMEDOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(NAMEDReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(NAMEDAccept) #endif /* TRANS_SERVER */ }, {"local", #ifdef TRANS_CLIENT TRANS(NAMEDOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(NAMEDOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(NAMEDReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(NAMEDAccept) #endif /* TRANS_SERVER */ }, #endif /* sun */ #ifdef SVR4 {"named", #ifdef TRANS_CLIENT TRANS(NAMEDOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(NAMEDOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(NAMEDReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(NAMEDAccept) #endif /* TRANS_SERVER */ }, #endif /* SVR4 */ #ifndef sun #ifndef SCO325 {"isc", #ifdef TRANS_CLIENT TRANS(ISCOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(ISCOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(ISCReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(ISCAccept) #endif /* TRANS_SERVER */ }, #endif /* !SCO325 */ {"sco", #ifdef TRANS_CLIENT TRANS(SCOOpenClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(SCOOpenServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(OpenFail), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(OpenFail), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(SCOReopenServer), TRANS(ReopenFail), #endif #ifdef TRANS_SERVER TRANS(SCOAccept) #endif /* TRANS_SERVER */ }, #endif /* sun */ }; #define NUMTRANSPORTS (sizeof(LOCALtrans2devtab)/sizeof(LOCALtrans2dev)) static char *XLOCAL=NULL; static char *workingXLOCAL=NULL; static char *freeXLOCAL=NULL; #ifdef SCO325 #define DEF_XLOCAL "SCO:UNIX:PTS" #else #define DEF_XLOCAL "UNIX:PTS:NAMED:ISC:SCO" #endif static void TRANS(LocalInitTransports)(char *protocol) { PRMSG(3,"LocalInitTransports(%s)\n", protocol, 0,0 ); if( strcmp(protocol,"local") && strcmp(protocol,"LOCAL") ) { workingXLOCAL=freeXLOCAL=(char *)xalloc (strlen (protocol) + 1); if (workingXLOCAL) strcpy (workingXLOCAL, protocol); } else { XLOCAL=(char *)getenv("XLOCAL"); if(XLOCAL==NULL) XLOCAL=DEF_XLOCAL; workingXLOCAL=freeXLOCAL=(char *)xalloc (strlen (XLOCAL) + 1); if (workingXLOCAL) strcpy (workingXLOCAL, XLOCAL); } } static void TRANS(LocalEndTransports)(void) { PRMSG(3,"LocalEndTransports()\n", 0,0,0 ); xfree(freeXLOCAL); } #define TYPEBUFSIZE 32 #ifdef TRANS_CLIENT static LOCALtrans2dev * TRANS(LocalGetNextTransport)(void) { int i,j; char *typetocheck; char typebuf[TYPEBUFSIZE]; PRMSG(3,"LocalGetNextTransport()\n", 0,0,0 ); while(1) { if( workingXLOCAL == NULL || *workingXLOCAL == '\0' ) return NULL; typetocheck=workingXLOCAL; workingXLOCAL=strchr(workingXLOCAL,':'); if(workingXLOCAL && *workingXLOCAL) *workingXLOCAL++='\0'; for(i=0;i<NUMTRANSPORTS;i++) { /* * This is equivilent to a case insensitive strcmp(), * but should be more portable. */ strncpy(typebuf,typetocheck,TYPEBUFSIZE); for(j=0;j<TYPEBUFSIZE;j++) if (isupper(typebuf[j])) typebuf[j]=tolower(typebuf[j]); /* Now, see if they match */ if(!strcmp(LOCALtrans2devtab[i].transname,typebuf)) return &LOCALtrans2devtab[i]; } } #if 0 /*NOTREACHED*/ return NULL; #endif } #ifdef NEED_UTSNAME #include <sys/utsname.h> #endif /* * Make sure 'host' is really local. */ static int HostReallyLocal (char *host) { /* * The 'host' passed to this function may have been generated * by either uname() or gethostname(). We try both if possible. */ #ifdef NEED_UTSNAME struct utsname name; #endif char buf[256]; #ifdef NEED_UTSNAME if (uname (&name) >= 0 && strcmp (host, name.nodename) == 0) return (1); #endif buf[0] = '\0'; (void) gethostname (buf, 256); buf[255] = '\0'; if (strcmp (host, buf) == 0) return (1); return (0); } static XtransConnInfo TRANS(LocalOpenClient)(int type, char *protocol, char *host, char *port) { LOCALtrans2dev *transptr; XtransConnInfo ciptr; int index; PRMSG(3,"LocalOpenClient()\n", 0,0,0 ); /* * 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" address for which it can accept connections, but if a * process on a remote machine tries to connect to this address, * we know for sure it will fail. */ if (strcmp (host, "unix") != 0 && !HostReallyLocal (host)) { PRMSG (1, "LocalOpenClient: Cannot connect to non-local host %s\n", host, 0, 0); return NULL; } #if defined(X11_t) /* * X has a well known port, that is transport dependant. 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(). Since that is what we want for the local transports, * we don't have to do anything special. */ #endif /* X11_t */ if( (ciptr=(XtransConnInfo)xcalloc(1,sizeof(struct _XtransConnInfo))) == NULL ) { PRMSG(1,"LocalOpenClient: calloc(1,%d) failed\n", sizeof(struct _XtransConnInfo),0,0 ); return NULL; } ciptr->fd = -1; TRANS(LocalInitTransports)(protocol); index = 0; for(transptr=TRANS(LocalGetNextTransport)(); transptr!=NULL;transptr=TRANS(LocalGetNextTransport)(), index++) { switch( type ) { case XTRANS_OPEN_COTS_CLIENT: ciptr->fd=transptr->devcotsopenclient(ciptr,port); break; case XTRANS_OPEN_CLTS_CLIENT: ciptr->fd=transptr->devcltsopenclient(ciptr,port); break; case XTRANS_OPEN_COTS_SERVER: case XTRANS_OPEN_CLTS_SERVER: PRMSG(1, "LocalOpenClient: Should not be opening a server with this function\n", 0,0,0); break; default: PRMSG(1, "LocalOpenClient: Unknown Open type %d\n", type, 0,0 ); } if( ciptr->fd >= 0 ) break; } TRANS(LocalEndTransports)(); if( ciptr->fd < 0 ) { xfree(ciptr); return NULL; } ciptr->priv=(char *)transptr; ciptr->index = index; return ciptr; } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static XtransConnInfo TRANS(LocalOpenServer)(int type, char *protocol, char *host, char *port) { int i; XtransConnInfo ciptr; PRMSG(2,"LocalOpenServer(%d,%s,%s)\n", type, protocol, port); #if defined(X11_t) /* * For X11, the port will be in the format xserverN where N is the * display number. All of the local connections just need to know * the display number because they don't do any name resolution on * the port. This just truncates port to the display portion. */ #endif /* X11_t */ if( (ciptr=(XtransConnInfo)xcalloc(1,sizeof(struct _XtransConnInfo))) == NULL ) { PRMSG(1,"LocalOpenServer: calloc(1,%d) failed\n", sizeof(struct _XtransConnInfo),0,0 ); return NULL; } for(i=1;i<NUMTRANSPORTS;i++) { if( strcmp(protocol,LOCALtrans2devtab[i].transname) != 0 ) continue; switch( type ) { case XTRANS_OPEN_COTS_CLIENT: case XTRANS_OPEN_CLTS_CLIENT: PRMSG(1, "LocalOpenServer: Should not be opening a client with this function\n", 0,0,0); break; case XTRANS_OPEN_COTS_SERVER: ciptr->fd=LOCALtrans2devtab[i].devcotsopenserver(ciptr,port); break; case XTRANS_OPEN_CLTS_SERVER: ciptr->fd=LOCALtrans2devtab[i].devcltsopenserver(ciptr,port); break; default: PRMSG(1,"LocalOpenServer: Unknown Open type %d\n", type ,0,0); } if( ciptr->fd >= 0 ) { ciptr->priv=(char *)&LOCALtrans2devtab[i]; ciptr->index=i; ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS); return ciptr; } } xfree(ciptr); return NULL; } #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN static XtransConnInfo TRANS(LocalReopenServer)(int type, int index, int fd, char *port) { XtransConnInfo ciptr; int stat = 0; PRMSG(2,"LocalReopenServer(%d,%d,%d)\n", type, index, fd); if( (ciptr=(XtransConnInfo)xcalloc(1,sizeof(struct _XtransConnInfo))) == NULL ) { PRMSG(1,"LocalReopenServer: calloc(1,%d) failed\n", sizeof(struct _XtransConnInfo),0,0 ); return NULL; } ciptr->fd = fd; switch( type ) { case XTRANS_OPEN_COTS_SERVER: stat = LOCALtrans2devtab[index].devcotsreopenserver(ciptr,fd,port); break; case XTRANS_OPEN_CLTS_SERVER: stat = LOCALtrans2devtab[index].devcltsreopenserver(ciptr,fd,port); break; default: PRMSG(1,"LocalReopenServer: Unknown Open type %d\n", type ,0,0); } if( stat > 0 ) { ciptr->priv=(char *)&LOCALtrans2devtab[index]; ciptr->index=index; ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS); return ciptr; } xfree(ciptr); return NULL; } #endif /* TRANS_REOPEN */ /* * This is the Local implementation of the X Transport service layer */ #ifdef TRANS_CLIENT static XtransConnInfo TRANS(LocalOpenCOTSClient)(Xtransport *thistrans, char *protocol, char *host, char *port) { PRMSG(2,"LocalOpenCOTSClient(%s,%s,%s)\n",protocol,host,port); return TRANS(LocalOpenClient)(XTRANS_OPEN_COTS_CLIENT, protocol, host, port); } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static XtransConnInfo TRANS(LocalOpenCOTSServer)(Xtransport *thistrans, char *protocol, char *host, char *port) { char *typetocheck = NULL; int found = 0; char typebuf[TYPEBUFSIZE]; PRMSG(2,"LocalOpenCOTSServer(%s,%s,%s)\n",protocol,host,port); /* Check if this local type is in the XLOCAL list */ TRANS(LocalInitTransports)("local"); typetocheck = workingXLOCAL; while (typetocheck && !found) { int j; workingXLOCAL = strchr(workingXLOCAL, ':'); if (workingXLOCAL && *workingXLOCAL) *workingXLOCAL++ = '\0'; strncpy(typebuf, typetocheck, TYPEBUFSIZE); for (j = 0; j < TYPEBUFSIZE; j++) if (isupper(typebuf[j])) typebuf[j] = tolower(typebuf[j]); if (!strcmp(thistrans->TransName, typebuf)) found = 1; typetocheck = workingXLOCAL; } TRANS(LocalEndTransports)(); if (!found) { PRMSG(3,"LocalOpenCOTSServer: disabling %s\n",thistrans->TransName,0,0); thistrans->flags |= TRANS_DISABLED; return NULL; } return TRANS(LocalOpenServer)(XTRANS_OPEN_COTS_SERVER, protocol, host, port); } #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT static XtransConnInfo TRANS(LocalOpenCLTSClient)(Xtransport *thistrans, char *protocol, char *host, char *port) { PRMSG(2,"LocalOpenCLTSClient(%s,%s,%s)\n",protocol,host,port); return TRANS(LocalOpenClient)(XTRANS_OPEN_CLTS_CLIENT, protocol, host, port); } #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER static XtransConnInfo TRANS(LocalOpenCLTSServer)(Xtransport *thistrans, char *protocol, char *host, char *port) { PRMSG(2,"LocalOpenCLTSServer(%s,%s,%s)\n",protocol,host,port); return TRANS(LocalOpenServer)(XTRANS_OPEN_CLTS_SERVER, protocol, host, port); } #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN static XtransConnInfo TRANS(LocalReopenCOTSServer)(Xtransport *thistrans, int fd, char *port) { int index; PRMSG(2,"LocalReopenCOTSServer(%d,%s)\n", fd, port, 0); for(index=1;index<NUMTRANSPORTS;index++) { if( strcmp(thistrans->TransName, LOCALtrans2devtab[index].transname) == 0 ) break; } if (index >= NUMTRANSPORTS) { return (NULL); } return TRANS(LocalReopenServer)(XTRANS_OPEN_COTS_SERVER, index, fd, port); } static XtransConnInfo TRANS(LocalReopenCLTSServer)(Xtransport *thistrans, int fd, char *port) { int index; PRMSG(2,"LocalReopenCLTSServer(%d,%s)\n", fd, port, 0); for(index=1;index<NUMTRANSPORTS;index++) { if( strcmp(thistrans->TransName, LOCALtrans2devtab[index].transname) == 0 ) break; } if (index >= NUMTRANSPORTS) { return (NULL); } return TRANS(LocalReopenServer)(XTRANS_OPEN_CLTS_SERVER, index, fd, port); } #endif /* TRANS_REOPEN */ static int TRANS(LocalSetOption)(XtransConnInfo ciptr, int option, int arg) { PRMSG(2,"LocalSetOption(%d,%d,%d)\n",ciptr->fd,option,arg); return -1; } #ifdef TRANS_SERVER static int TRANS(LocalCreateListener)(XtransConnInfo ciptr, char *port, unsigned int flags) { PRMSG(2,"LocalCreateListener(%x->%d,%s)\n",ciptr,ciptr->fd,port); return 0; } static XtransConnInfo TRANS(LocalAccept)(XtransConnInfo ciptr, int *status) { XtransConnInfo newciptr; LOCALtrans2dev *transptr; PRMSG(2,"LocalAccept(%x->%d)\n", ciptr, ciptr->fd,0); transptr=(LOCALtrans2dev *)ciptr->priv; if( (newciptr=(XtransConnInfo)xcalloc(1,sizeof(struct _XtransConnInfo)))==NULL ) { PRMSG(1,"LocalAccept: calloc(1,%d) failed\n", sizeof(struct _XtransConnInfo),0,0 ); *status = TRANS_ACCEPT_BAD_MALLOC; return NULL; } newciptr->fd=transptr->devaccept(ciptr,newciptr,status); if( newciptr->fd < 0 ) { xfree(newciptr); return NULL; } newciptr->priv=(char *)transptr; newciptr->index = ciptr->index; *status = 0; return newciptr; } #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT static int TRANS(LocalConnect)(XtransConnInfo ciptr, char *host, char *port) { PRMSG(2,"LocalConnect(%x->%d,%s)\n", ciptr, ciptr->fd, port); return 0; } #endif /* TRANS_CLIENT */ static int TRANS(LocalBytesReadable)(XtransConnInfo ciptr, BytesReadable_t *pend ) { PRMSG(2,"LocalBytesReadable(%x->%d,%x)\n", ciptr, ciptr->fd, pend); #if defined(ISC) || defined(SCO) return ioctl(ciptr->fd, I_NREAD, (char *)pend); #else return ioctl(ciptr->fd, FIONREAD, (char *)pend); #endif } static int TRANS(LocalRead)(XtransConnInfo ciptr, char *buf, int size) { PRMSG(2,"LocalRead(%d,%x,%d)\n", ciptr->fd, buf, size ); return read(ciptr->fd,buf,size); } static int TRANS(LocalWrite)(XtransConnInfo ciptr, char *buf, int size) { PRMSG(2,"LocalWrite(%d,%x,%d)\n", ciptr->fd, buf, size ); return write(ciptr->fd,buf,size); } static int TRANS(LocalReadv)(XtransConnInfo ciptr, struct iovec *buf, int size) { PRMSG(2,"LocalReadv(%d,%x,%d)\n", ciptr->fd, buf, size ); return READV(ciptr,buf,size); } static int TRANS(LocalWritev)(XtransConnInfo ciptr, struct iovec *buf, int size) { PRMSG(2,"LocalWritev(%d,%x,%d)\n", ciptr->fd, buf, size ); return WRITEV(ciptr,buf,size); } static int TRANS(LocalDisconnect)(XtransConnInfo ciptr) { PRMSG(2,"LocalDisconnect(%x->%d)\n", ciptr, ciptr->fd, 0); return 0; } static int TRANS(LocalClose)(XtransConnInfo ciptr) { struct sockaddr_un *sockname=(struct sockaddr_un *) ciptr->addr; char path[200]; /* > sizeof sun_path +1 */ int ret; PRMSG(2,"LocalClose(%x->%d)\n", ciptr, ciptr->fd ,0); ret=close(ciptr->fd); if(ciptr->flags && sockname && sockname->sun_family == AF_UNIX && sockname->sun_path[0] ) { strncpy(path,sockname->sun_path, ciptr->addrlen-sizeof(sockname->sun_family)); if (!(ciptr->flags & TRANS_NOUNLINK)) unlink(path); } return ret; } static int TRANS(LocalCloseForCloning)(XtransConnInfo ciptr) { int ret; PRMSG(2,"LocalCloseForCloning(%x->%d)\n", ciptr, ciptr->fd ,0); /* Don't unlink path */ ret=close(ciptr->fd); return ret; } /* * MakeAllCOTSServerListeners() will go through the entire Xtransports[] * array defined in Xtrans.c and try to OpenCOTSServer() for each entry. * We will add duplicate entries to that table so that the OpenCOTSServer() * function will get called once for each type of local transport. * * The TransName is in lowercase, so it will never match during a normal * call to SelectTransport() in Xtrans.c. */ #ifdef TRANS_SERVER static char * local_aliases[] = { # ifndef sun "pts", # endif "named", # ifndef sun # ifndef SCO325 "isc", # endif "sco", # endif NULL }; #endif Xtransport TRANS(LocalFuncs) = { /* Local Interface */ "local", TRANS_ALIAS | TRANS_LOCAL, #ifdef TRANS_CLIENT TRANS(LocalOpenCOTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER local_aliases, TRANS(LocalOpenCOTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalOpenCLTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(LocalOpenCLTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(LocalReopenCOTSServer), TRANS(LocalReopenCLTSServer), #endif TRANS(LocalSetOption), #ifdef TRANS_SERVER TRANS(LocalCreateListener), NULL, /* ResetListener */ TRANS(LocalAccept), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalConnect), #endif /* TRANS_CLIENT */ TRANS(LocalBytesReadable), TRANS(LocalRead), TRANS(LocalWrite), TRANS(LocalReadv), TRANS(LocalWritev), TRANS(LocalDisconnect), TRANS(LocalClose), TRANS(LocalCloseForCloning), }; #ifndef sun Xtransport TRANS(PTSFuncs) = { /* Local Interface */ "pts", TRANS_LOCAL, #ifdef TRANS_CLIENT TRANS(LocalOpenCOTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER NULL, TRANS(LocalOpenCOTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalOpenCLTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(LocalOpenCLTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(LocalReopenCOTSServer), TRANS(LocalReopenCLTSServer), #endif TRANS(LocalSetOption), #ifdef TRANS_SERVER TRANS(LocalCreateListener), NULL, /* ResetListener */ TRANS(LocalAccept), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalConnect), #endif /* TRANS_CLIENT */ TRANS(LocalBytesReadable), TRANS(LocalRead), TRANS(LocalWrite), TRANS(LocalReadv), TRANS(LocalWritev), TRANS(LocalDisconnect), TRANS(LocalClose), TRANS(LocalCloseForCloning), }; #endif /* sun */ Xtransport TRANS(NAMEDFuncs) = { /* Local Interface */ "named", TRANS_LOCAL, #ifdef TRANS_CLIENT TRANS(LocalOpenCOTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER NULL, TRANS(LocalOpenCOTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalOpenCLTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(LocalOpenCLTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(LocalReopenCOTSServer), TRANS(LocalReopenCLTSServer), #endif TRANS(LocalSetOption), #ifdef TRANS_SERVER TRANS(LocalCreateListener), NULL, /* ResetListener */ TRANS(LocalAccept), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalConnect), #endif /* TRANS_CLIENT */ TRANS(LocalBytesReadable), TRANS(LocalRead), TRANS(LocalWrite), TRANS(LocalReadv), TRANS(LocalWritev), TRANS(LocalDisconnect), TRANS(LocalClose), TRANS(LocalCloseForCloning), }; #ifndef sun #ifndef SCO325 Xtransport TRANS(ISCFuncs) = { /* Local Interface */ "isc", TRANS_LOCAL, #ifdef TRANS_CLIENT TRANS(LocalOpenCOTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER NULL, TRANS(LocalOpenCOTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalOpenCLTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(LocalOpenCLTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(LocalReopenCOTSServer), TRANS(LocalReopenCLTSServer), #endif TRANS(LocalSetOption), #ifdef TRANS_SERVER TRANS(LocalCreateListener), NULL, /* ResetListener */ TRANS(LocalAccept), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalConnect), #endif /* TRANS_CLIENT */ TRANS(LocalBytesReadable), TRANS(LocalRead), TRANS(LocalWrite), TRANS(LocalReadv), TRANS(LocalWritev), TRANS(LocalDisconnect), TRANS(LocalClose), TRANS(LocalCloseForCloning), }; #endif /* !SCO325 */ Xtransport TRANS(SCOFuncs) = { /* Local Interface */ "sco", TRANS_LOCAL, #ifdef TRANS_CLIENT TRANS(LocalOpenCOTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER NULL, TRANS(LocalOpenCOTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalOpenCLTSClient), #endif /* TRANS_CLIENT */ #ifdef TRANS_SERVER TRANS(LocalOpenCLTSServer), #endif /* TRANS_SERVER */ #ifdef TRANS_REOPEN TRANS(LocalReopenCOTSServer), TRANS(LocalReopenCLTSServer), #endif TRANS(LocalSetOption), #ifdef TRANS_SERVER TRANS(LocalCreateListener), NULL, /* ResetListener */ TRANS(LocalAccept), #endif /* TRANS_SERVER */ #ifdef TRANS_CLIENT TRANS(LocalConnect), #endif /* TRANS_CLIENT */ TRANS(LocalBytesReadable), TRANS(LocalRead), TRANS(LocalWrite), TRANS(LocalReadv), TRANS(LocalWritev), TRANS(LocalDisconnect), TRANS(LocalClose), TRANS(LocalCloseForCloning), }; #endif /* sun */