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xenocara/lib/libxtrans/Xtranslcl.c
matthieu 7e22364ad4 Update to xtrans 1.2.5
2009-10-31 20:34:07 +00:00

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/*
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.
* 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) || defined(__SVR4)
#include <sys/filio.h>
#endif
#ifdef sun
# include <stropts.h>
#else
# include <sys/stropts.h>
#endif
#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
/* Types of local connections supported:
* - PTS
* - named pipes
* - ISC
* - SCO
*/
#if !defined(sun)
# define LOCAL_TRANS_PTS
#endif
#if defined(SVR4) || defined(__SVR4)
# define LOCAL_TRANS_NAMED
#endif
#if defined(__SCO__) || defined(__UNIXWARE__)
# define LOCAL_TRANS_SCO
#endif
static int TRANS(LocalClose)(XtransConnInfo ciptr);
/*
* 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)
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)
p_sunaddr->sun_len = strlen (p_sunaddr->sun_path);
#endif
ciptr->peeraddr = (char *) p_sunaddr;
return 1;
}
#ifdef LOCAL_TRANS_PTS
/* PTS */
#if defined(SYSV) && !defined(__SCO__)
#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)
{
}
#endif /* LOCAL_TRANS_PTS */
#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."
#ifdef sun
#define NAMEDNODENAME "/tmp/.X11-pipe/X"
#else
#define NAMEDNODENAME "/dev/X/Nserver."
/*
* ISC is only defined for X11 since they are there for
* backwards binary compatability only.
*/
#define SCORNODENAME "/dev/X%1sR"
#define SCOSNODENAME "/dev/X%1sS"
#endif /* !sun */
#endif
#if defined(XIM_t)
#ifdef sun
#define NAMEDNODENAME "/tmp/.XIM-pipe/XIM"
#else
#define PTSNODENAME "/dev/X/XIM."
#define NAMEDNODENAME "/dev/X/NXIM."
#define SCORNODENAME "/dev/XIM.%sR"
#define SCOSNODENAME "/dev/XIM.%sS"
#endif
#endif
#if defined(FS_t) || defined (FONT_t)
#ifdef sun
#define NAMEDNODENAME "/tmp/.font-pipe/fs"
#else
/*
* 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."
#define SCORNODENAME "/dev/fontserver.%sR"
#define SCOSNODENAME "/dev/fontserver.%sS"
#endif
#endif
#if defined(ICE_t)
#ifdef sun
#define NAMEDNODENAME "/tmp/.ICE-pipe/"
#else
#define PTSNODENAME "/dev/X/ICE."
#define NAMEDNODENAME "/dev/X/NICE."
#define SCORNODENAME "/dev/ICE.%sR"
#define SCOSNODENAME "/dev/ICE.%sS"
#endif
#endif
#if defined(TEST_t)
#ifdef sun
#define NAMEDNODENAME "/tmp/.Test-unix/test"
#endif
#define PTSNODENAME "/dev/X/transtest."
#define NAMEDNODENAME "/dev/X/Ntranstest."
#define SCORNODENAME "/dev/transtest.%sR"
#define SCOSNODENAME "/dev/transtest.%sS"
#endif
#ifdef LOCAL_TRANS_PTS
#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 %s\n", DEV_PTMX, 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();
/** sets the euid to the actual/real uid **/
if (setuid( getuid() ) == -1) {
exit(1);
}
if( chown( slave, saved_euid, -1 ) < 0 ) {
exit( 1 );
}
exit( 0 );
}
waitpid(saved_pid, &exitval, 0);
if (WIFEXITED(exitval) && WEXITSTATUS(exitval) != 0) {
close(fd);
close(server);
PRMSG(1, "PTSOpenClient: cannot set the owner of %s\n",
slave, 0, 0);
return(-1);
}
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)
sunaddr->sun_len=strlen(sunaddr->sun_path);
#endif
newciptr->peeraddr=(char *)sunaddr;
*status = 0;
return newfd;
}
#endif /* TRANS_SERVER */
#endif /* LOCAL_TRANS_PTS */
#ifdef LOCAL_TRANS_NAMED
/* NAMED */
#ifdef TRANS_CLIENT
static int
TRANS(NAMEDOpenClient)(XtransConnInfo ciptr, char *port)
{
#ifdef NAMEDNODENAME
int fd;
char server_path[64];
struct stat filestat;
# ifndef sun
extern int isastream(int);
# endif
#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) snprintf(server_path, sizeof(server_path), "%s", port);
} else {
(void) snprintf(server_path, sizeof(server_path), "%s%s", NAMEDNODENAME, port);
}
} else {
(void) snprintf(server_path, sizeof(server_path), "%s%ld", NAMEDNODENAME, (long)getpid());
}
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 (fstat(fd, &filestat) < 0 ) {
PRMSG(1,"NAMEDOpenClient: Cannot stat %s for NAMED connection\n", server_path, 0,0 );
(void) close(fd);
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? */
(void) close(fd);
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
#ifdef NAMEDNODENAME
static int
TRANS(NAMEDOpenPipe)(const char *server_path)
{
PRMSG(2,"NAMEDOpenPipe(%s)\n", server_path, 0,0 );
int fd, pipefd[2];
struct stat sbuf;
int mode;
#if defined(sun) && defined(X11_t)
mode = 0775; /* Solaris requires uid or gid 0 to create X11 pipes */
#else
#ifdef HAS_STICKY_DIR_BIT
mode = 01777;
#else
mode = 0777;
#endif
#endif
if (trans_mkdir(X_STREAMS_DIR, mode) == -1) {
PRMSG (1, "NAMEDOpenPipe: 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, "NAMEDOpenPipe: Can't open %s\n", server_path, 0,0 );
return(-1);
}
close(fd);
if (chmod(server_path, (mode_t)0666) < 0) {
PRMSG(1, "NAMEDOpenPipe: Can't open %s\n", server_path, 0,0 );
return(-1);
}
} else {
PRMSG(1, "NAMEDOpenPipe: stat on %s failed\n", server_path, 0,0 );
return(-1);
}
}
if( pipe(pipefd) != 0) {
PRMSG(1, "NAMEDOpenPipe: pipe() failed, errno=%d\n",errno, 0,0 );
return(-1);
}
if( ioctl(pipefd[0], I_PUSH, "connld") != 0) {
PRMSG(1, "NAMEDOpenPipe: 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, "NAMEDOpenPipe: fattach(%s) failed, errno=%d\n", server_path,errno, 0 );
close(pipefd[0]);
close(pipefd[1]);
return(-1);
}
return(pipefd[1]);
}
#endif
static int
TRANS(NAMEDOpenServer)(XtransConnInfo ciptr, char *port)
{
#ifdef NAMEDNODENAME
int fd;
char server_path[64];
#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) snprintf(server_path, sizeof(server_path), "%s", port);
} else {
(void) snprintf(server_path, sizeof(server_path), "%s%s",
NAMEDNODENAME, port);
}
} else {
(void) snprintf(server_path, sizeof(server_path), "%s%ld",
NAMEDNODENAME, (long)getpid());
}
fd = TRANS(NAMEDOpenPipe)(server_path);
if (fd < 0) {
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);
TRANS(LocalClose)(ciptr);
return -1;
}
return fd;
#endif /* !NAMEDNODENAME */
}
static int
TRANS(NAMEDResetListener) (XtransConnInfo ciptr)
{
int status = TRANS_RESET_NOOP;
struct sockaddr_un *sockname=(struct sockaddr_un *) ciptr->addr;
struct stat statb;
PRMSG(2,"NAMEDResetListener(%p, %d)\n", ciptr, ciptr->fd, 0 );
if (ciptr->fd != -1) {
/*
* see if the pipe has disappeared
*/
if (stat (sockname->sun_path, &statb) == -1 ||
(statb.st_mode & S_IFMT) != S_IFIFO) {
PRMSG(3, "Pipe %s trashed, recreating\n", sockname->sun_path, 0, 0);
TRANS(LocalClose)(ciptr);
ciptr->fd = TRANS(NAMEDOpenPipe)(sockname->sun_path);
if (ciptr->fd >= 0)
return TRANS_RESET_NEW_FD;
else
return TRANS_CREATE_LISTENER_FAILED;
}
}
return TRANS_RESET_NOOP;
}
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->family=ciptr->family;
newciptr->addrlen=ciptr->addrlen;
if( (newciptr->addr=(char *)xalloc(newciptr->addrlen)) == NULL ) {
PRMSG(1,
"NAMEDAccept: failed to allocate memory for pipe 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 /* LOCAL_TRANS_NAMED */
#if defined(LOCAL_TRANS_SCO)
/*
* connect_spipe is used by the SCO and ISC connection types.
*/
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 the SCO and ISC connection types.
*/
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);
}
#endif /* defined(LOCAL_TRANS_SCO) */
#ifdef LOCAL_TRANS_SCO
/* 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.
*
* However, this is only for the X protocol. For all other protocols, we
* do in fact create the nodes, as only X11R6 will use them, and this makes
* it possible to have both types of clients running, otherwise we get all
* kinds of nasty errors on startup for anything that doesnt use the X
* protocol (like SM, when KDE starts up).
*/
#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 (!port || !port[0])
port = "0";
#if !defined(SCORNODENAME)
PRMSG(2,"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.
*/
#if defined(X11_t) && defined(__SCO__)
ciptr->flags |= TRANS_NOUNLINK;
#endif
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;
#endif
PRMSG(2,"SCOOpenServer(%s)\n", port, 0,0 );
if (!port || !port[0])
port = "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);
#if !defined(X11_t) || !defined(__SCO__)
unlink(serverR_path);
unlink(serverS_path);
if ((fds = open(DEV_SPX, O_RDWR)) < 0 ||
(fdr = open(DEV_SPX, O_RDWR)) < 0 ) {
PRMSG(1,"SCOOpenServer: failed to open %s\n", DEV_SPX, 0,0 );
return -1;
}
if (named_spipe (fds, serverS_path) == -1) {
PRMSG(1,"SCOOpenServer: failed to create %s\n", serverS_path, 0, 0);
close (fdr);
close (fds);
return -1;
}
if (named_spipe (fdr, serverR_path) == -1) {
PRMSG(1,"SCOOpenServer: failed to create %s\n", serverR_path, 0, 0);
close (fdr);
close (fds);
return -1;
}
#else /* X11_t */
fds = open (serverS_path, O_RDWR | O_NDELAY);
if (fds < 0) {
PRMSG(1,"SCOOpenServer: failed to open %s\n", 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\n", 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\n", serverR_path, 0, 0);
close (fds);
return -1;
}
#endif /* X11_t */
if (connect_spipe(fds, fdr)) {
PRMSG(1,"SCOOpenServer: ioctl(I_FDINSERT) failed on %s\n",
serverS_path, 0, 0);
close (fdr);
close (fds);
return -1;
}
/*
* Everything looks good: fill in the XtransConnInfo structure.
*/
#if defined(X11_t) && defined(__SCO__)
ciptr->flags |= TRANS_NOUNLINK;
#endif
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;
PRMSG(2,"SCOAccept(%d)\n", ciptr->fd, 0,0 );
if (read(ciptr->fd, &c, 1) < 0) {
PRMSG(1,"SCOAccept: can't read from client\n",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\"\n",DEV_SPX, 0,0 );
*status = TRANS_ACCEPT_MISC_ERROR;
return(-1);
}
if (connect_spipe (ciptr->fd, fd) < 0) {
PRMSG(1,"SCOAccept: ioctl(I_FDINSERT) failed\n", 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);
#if defined(__SCO__)
newciptr->flags |= TRANS_NOUNLINK;
#endif
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 /* LOCAL_TRANS_SCO */
#ifdef TRANS_REOPEN
#ifdef LOCAL_TRANS_PTS
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 /* LOCAL_TRANS_PTS */
#ifdef LOCAL_TRANS_NAMED
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 */
}
#endif /* LOCAL_TRANS_NAMED */
#ifdef LOCAL_TRANS_SCO
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 (!port || !port[0])
port = "0";
#if !defined(SCORNODENAME)
PRMSG(2,"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);
#if defined(X11_t) && defined(__SCO__)
ciptr->flags |= TRANS_NOUNLINK;
#endif
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 /* LOCAL_TRANS_SCO */
#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 (*devreset)(
XtransConnInfo /* ciptr */
);
int (*devaccept)(
XtransConnInfo, XtransConnInfo, int *
);
#endif /* TRANS_SERVER */
} LOCALtrans2dev;
static LOCALtrans2dev LOCALtrans2devtab[] = {
#ifdef LOCAL_TRANS_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
NULL, /* ResetListener */
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
NULL, /* ResetListener */
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
NULL, /* ResetListener */
TRANS(PTSAccept)
#endif /* TRANS_SERVER */
},
#else /* !LOCAL_TRANS_PTS */
{"",
#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(NAMEDResetListener),
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(NAMEDResetListener),
TRANS(NAMEDAccept)
#endif /* TRANS_SERVER */
},
#endif /* !LOCAL_TRANS_PTS */
#ifdef LOCAL_TRANS_NAMED
{"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(NAMEDResetListener),
TRANS(NAMEDAccept)
#endif /* TRANS_SERVER */
},
#ifdef sun /* Alias "pipe" to named, since that's what Solaris called it */
{"pipe",
#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(NAMEDResetListener),
TRANS(NAMEDAccept)
#endif /* TRANS_SERVER */
},
#endif /* sun */
#endif /* LOCAL_TRANS_NAMED */
#ifdef LOCAL_TRANS_SCO
{"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
NULL, /* ResetListener */
TRANS(SCOAccept)
#endif /* TRANS_SERVER */
},
#endif /* LOCAL_TRANS_SCO */
};
#define NUMTRANSPORTS (sizeof(LOCALtrans2devtab)/sizeof(LOCALtrans2dev))
static char *XLOCAL=NULL;
static char *workingXLOCAL=NULL;
static char *freeXLOCAL=NULL;
#if defined(__SCO__)
#define DEF_XLOCAL "SCO:UNIX:PTS"
#elif defined(__UNIXWARE__)
#define DEF_XLOCAL "UNIX:PTS:NAMED:SCO"
#elif defined(sun)
#define DEF_XLOCAL "UNIX:NAMED"
#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 equivalent 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 int
TRANS(LocalResetListener)(XtransConnInfo ciptr)
{
LOCALtrans2dev *transptr;
PRMSG(2,"LocalResetListener(%x)\n",ciptr,0,0);
transptr=(LOCALtrans2dev *)ciptr->priv;
if (transptr->devreset != NULL) {
return transptr->devreset(ciptr);
}
return TRANS_RESET_NOOP;
}
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(SCO325)
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;
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] )
{
if (!(ciptr->flags & TRANS_NOUNLINK))
unlink(sockname->sun_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[] = {
# ifdef LOCAL_TRANS_PTS
"pts",
# endif
"named",
# ifdef sun
"pipe", /* compatibility with Solaris Xlib */
# endif
# ifdef LOCAL_TRANS_SCO
"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),
TRANS(LocalResetListener),
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),
};
#ifdef LOCAL_TRANS_PTS
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),
TRANS(LocalResetListener),
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 /* LOCAL_TRANS_PTS */
#ifdef LOCAL_TRANS_NAMED
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),
TRANS(LocalResetListener),
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),
};
#ifdef sun
Xtransport TRANS(PIPEFuncs) = {
/* Local Interface */
"pipe",
TRANS_ALIAS | 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),
TRANS(LocalResetListener),
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 */
#endif /* LOCAL_TRANS_NAMED */
#ifdef LOCAL_TRANS_SCO
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),
TRANS(LocalResetListener),
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 /* LOCAL_TRANS_SCO */
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