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-rw-r--r--nx-X11/programs/Xserver/os/utils.c.NX.original2440
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diff --git a/nx-X11/programs/Xserver/os/utils.c.NX.original b/nx-X11/programs/Xserver/os/utils.c.NX.original
deleted file mode 100644
index 7e626542e..000000000
--- a/nx-X11/programs/Xserver/os/utils.c.NX.original
+++ /dev/null
@@ -1,2440 +0,0 @@
-/* $XdotOrg: xc/programs/Xserver/os/utils.c,v 1.21 2005/11/08 06:33:30 jkj Exp $ */
-/* $Xorg: utils.c,v 1.5 2001/02/09 02:05:24 xorgcvs Exp $ */
-/*
-
-Copyright 1987, 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 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
-Copyright 1994 Quarterdeck Office Systems.
-
- 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 names of Digital and
-Quarterdeck not be used in advertising or publicity pertaining to
-distribution of the software without specific, written prior
-permission.
-
-DIGITAL AND QUARTERDECK DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
-SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS, IN NO EVENT SHALL DIGITAL 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.
-
-*/
-/* $XFree86: xc/programs/Xserver/os/utils.c,v 3.96 2004/01/07 04:16:37 dawes Exp $ */
-
-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
-/* */
-/* NX-X11, NX protocol compression and NX extensions to this software */
-/* are copyright of NoMachine. Redistribution and use of the present */
-/* software is allowed according to terms specified in the file LICENSE */
-/* which comes in the source distribution. */
-/* */
-/* Check http://www.nomachine.com/licensing.html for applicability. */
-/* */
-/* NX and NoMachine are trademarks of Medialogic S.p.A. */
-/* */
-/* All rights reserved. */
-/* */
-/**************************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifdef __CYGWIN__
-#include <stdlib.h>
-#include <signal.h>
-#endif
-
-#if defined(WIN32) && !defined(__CYGWIN__)
-#include <X11/Xwinsock.h>
-#endif
-#include <X11/Xos.h>
-#include <stdio.h>
-#include "misc.h"
-#include <X11/X.h>
-#include <X11/Xtrans/Xtrans.h>
-#include "input.h"
-#include "dixfont.h"
-#include "osdep.h"
-#ifdef X_POSIX_C_SOURCE
-#define _POSIX_C_SOURCE X_POSIX_C_SOURCE
-#include <signal.h>
-#undef _POSIX_C_SOURCE
-#else
-#if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE)
-#include <signal.h>
-#else
-#define _POSIX_SOURCE
-#include <signal.h>
-#undef _POSIX_SOURCE
-#endif
-#endif
-#ifndef WIN32
-#include <sys/wait.h>
-#endif
-#if !defined(SYSV) && !defined(WIN32) && !defined(Lynx) && !defined(QNX4)
-#include <sys/resource.h>
-#endif
-#include <time.h>
-#include <sys/stat.h>
-#include <ctype.h> /* for isspace */
-#include <stdarg.h>
-
-#if defined(DGUX)
-#include <sys/resource.h>
-#include <netdb.h>
-#endif
-
-#include <stdlib.h> /* for malloc() */
-
-#if defined(TCPCONN) || defined(STREAMSCONN)
-# ifndef WIN32
-# include <netdb.h>
-# endif
-#endif
-
-#include "opaque.h"
-
-#ifdef SMART_SCHEDULE
-#include "dixstruct.h"
-#endif
-
-#ifdef XKB
-#include <X11/extensions/XKBsrv.h>
-#endif
-#ifdef XCSECURITY
-#define _SECURITY_SERVER
-#include <X11/extensions/security.h>
-#endif
-
-#ifdef RENDER
-#include "picture.h"
-#endif
-
-#ifdef XPRINT
-#include "DiPrint.h"
-#endif
-
-Bool noTestExtensions;
-#ifdef BIGREQS
-Bool noBigReqExtension = FALSE;
-#endif
-#ifdef COMPOSITE
-/* COMPOSITE is disabled by default for now until the
- * interface is stable */
-Bool noCompositeExtension = TRUE;
-#endif
-#ifdef DAMAGE
-Bool noDamageExtension = FALSE;
-#endif
-#ifdef DBE
-Bool noDbeExtension = FALSE;
-#endif
-#ifdef DPSEXT
-Bool noDPSExtension = FALSE;
-#endif
-#ifdef DPMSExtension
-Bool noDPMSExtension = FALSE;
-#endif
-#ifdef EVI
-Bool noEVIExtension = FALSE;
-#endif
-#ifdef FONTCACHE
-Bool noFontCacheExtension = FALSE;
-#endif
-#ifdef GLXEXT
-Bool noGlxExtension = FALSE;
-#endif
-#ifdef LBX
-Bool noLbxExtension = FALSE;
-#endif
-#ifdef SCREENSAVER
-Bool noScreenSaverExtension = FALSE;
-#endif
-#ifdef MITSHM
-Bool noMITShmExtension = FALSE;
-#endif
-#ifdef MITMISC
-Bool noMITMiscExtension = FALSE;
-#endif
-#ifdef MULTIBUFFER
-Bool noMultibufferExtension = FALSE;
-#endif
-#ifdef RANDR
-Bool noRRExtension = FALSE;
-#endif
-#ifdef RENDER
-Bool noRenderExtension = FALSE;
-#endif
-#ifdef SHAPE
-Bool noShapeExtension = FALSE;
-#endif
-#ifdef XCSECURITY
-Bool noSecurityExtension = FALSE;
-#endif
-#ifdef XSYNC
-Bool noSyncExtension = FALSE;
-#endif
-#ifdef TOGCUP
-Bool noXcupExtension = FALSE;
-#endif
-#ifdef RES
-Bool noResExtension = FALSE;
-#endif
-#ifdef XAPPGROUP
-Bool noXagExtension = FALSE;
-#endif
-#ifdef XCMISC
-Bool noXCMiscExtension = FALSE;
-#endif
-#ifdef XEVIE
-/* Xevie is disabled by default for now until the
- * interface is stable */
-Bool noXevieExtension = TRUE;
-#endif
-#ifdef XF86BIGFONT
-Bool noXFree86BigfontExtension = FALSE;
-#endif
-#ifdef XFreeXDGA
-Bool noXFree86DGAExtension = FALSE;
-#endif
-#ifdef XF86DRI
-Bool noXFree86DRIExtension = FALSE;
-#endif
-#ifdef XF86MISC
-Bool noXFree86MiscExtension = FALSE;
-#endif
-#ifdef XF86VIDMODE
-Bool noXFree86VidModeExtension = FALSE;
-#endif
-#ifdef XFIXES
-Bool noXFixesExtension = FALSE;
-#endif
-/* |noXkbExtension| is defined in xc/programs/Xserver/xkb/xkbInit.c */
-#ifdef PANORAMIX
-/* Xinerama is disabled by default unless enabled via +xinerama */
-Bool noPanoramiXExtension = TRUE;
-#endif
-#ifdef XINPUT
-Bool noXInputExtension = FALSE;
-#endif
-#ifdef XIDLE
-Bool noXIdleExtension = FALSE;
-#endif
-#ifdef XV
-Bool noXvExtension = FALSE;
-#endif
-
-#define X_INCLUDE_NETDB_H
-#include <X11/Xos_r.h>
-
-#include <errno.h>
-
-#ifdef NX_TRANS_SOCKET
-
-#include "NX.h"
-#include "NXvars.h"
-
-#endif
-
-#ifdef NX_TRANS_EXIT
-
-void (*OsVendorStartRedirectErrorFProc)() = NULL;
-void (*OsVendorEndRedirectErrorFProc)() = NULL;
-
-#endif
-
-Bool CoreDump;
-
-#ifdef PANORAMIX
-Bool PanoramiXVisibilityNotifySent = FALSE;
-Bool PanoramiXMapped = FALSE;
-Bool PanoramiXWindowExposureSent = FALSE;
-Bool PanoramiXOneExposeRequest = FALSE;
-Bool PanoramiXExtensionDisabledHack = FALSE;
-#endif
-
-int auditTrailLevel = 1;
-
-Bool Must_have_memory = FALSE;
-
-#ifdef AIXV3
-int SyncOn = 0;
-extern int SelectWaitTime;
-#endif
-
-#ifdef DEBUG
-#ifndef SPECIAL_MALLOC
-#define MEMBUG
-#endif
-#endif
-
-#if defined(SVR4) || defined(__linux__) || defined(CSRG_BASED)
-#define HAS_SAVED_IDS_AND_SETEUID
-#endif
-
-#ifdef MEMBUG
-#define MEM_FAIL_SCALE 100000
-long Memory_fail = 0;
-#include <stdlib.h> /* for random() */
-#endif
-
-#ifdef sgi
-int userdefinedfontpath = 0;
-#endif /* sgi */
-
-char *dev_tty_from_init = NULL; /* since we need to parse it anyway */
-
-extern char dispatchExceptionAtReset;
-
-/* Extension enable/disable in miinitext.c */
-extern Bool EnableDisableExtension(char *name, Bool enable);
-extern void EnableDisableExtensionError(char *name, Bool enable);
-
-OsSigHandlerPtr
-OsSignal(sig, handler)
- int sig;
- OsSigHandlerPtr handler;
-{
-#ifdef X_NOT_POSIX
- return signal(sig, handler);
-#else
- struct sigaction act, oact;
-
- sigemptyset(&act.sa_mask);
- if (handler != SIG_IGN)
- sigaddset(&act.sa_mask, sig);
- act.sa_flags = 0;
- act.sa_handler = handler;
- sigaction(sig, &act, &oact);
- return oact.sa_handler;
-#endif
-}
-
-#ifdef SERVER_LOCK
-/*
- * Explicit support for a server lock file like the ones used for UUCP.
- * For architectures with virtual terminals that can run more than one
- * server at a time. This keeps the servers from stomping on each other
- * if the user forgets to give them different display numbers.
- */
-#ifndef __UNIXOS2__
-#define LOCK_DIR "/tmp"
-#endif
-#define LOCK_TMP_PREFIX "/.tX"
-#define LOCK_PREFIX "/.X"
-#define LOCK_SUFFIX "-lock"
-
-#if defined(DGUX)
-#include <limits.h>
-#include <sys/param.h>
-#endif
-
-#ifdef __UNIXOS2__
-#define link rename
-#endif
-
-#ifndef PATH_MAX
-#ifndef Lynx
-#include <sys/param.h>
-#else
-#include <param.h>
-#endif
-#ifndef PATH_MAX
-#ifdef MAXPATHLEN
-#define PATH_MAX MAXPATHLEN
-#else
-#define PATH_MAX 1024
-#endif
-#endif
-#endif
-
-static Bool StillLocking = FALSE;
-static char LockFile[PATH_MAX];
-static Bool nolock = FALSE;
-
-/*
- * LockServer --
- * Check if the server lock file exists. If so, check if the PID
- * contained inside is valid. If so, then die. Otherwise, create
- * the lock file containing the PID.
- */
-void
-LockServer(void)
-{
- char tmp[PATH_MAX], pid_str[12];
- int lfd, i, haslock, l_pid, t;
- char *tmppath = NULL;
- int len;
- char port[20];
-
- if (nolock) return;
- /*
- * Path names
- */
-#ifndef __UNIXOS2__
- tmppath = LOCK_DIR;
-#else
- /* OS/2 uses TMP directory, must also prepare for 8.3 names */
- tmppath = getenv("TMP");
- if (!tmppath)
- FatalError("No TMP dir found\n");
-#endif
-
- sprintf(port, "%d", atoi(display));
- len = strlen(LOCK_PREFIX) > strlen(LOCK_TMP_PREFIX) ? strlen(LOCK_PREFIX) :
- strlen(LOCK_TMP_PREFIX);
- len += strlen(tmppath) + strlen(port) + strlen(LOCK_SUFFIX) + 1;
- if (len > sizeof(LockFile))
- FatalError("Display name `%s' is too long\n", port);
- (void)sprintf(tmp, "%s" LOCK_TMP_PREFIX "%s" LOCK_SUFFIX, tmppath, port);
- (void)sprintf(LockFile, "%s" LOCK_PREFIX "%s" LOCK_SUFFIX, tmppath, port);
-
- /*
- * Create a temporary file containing our PID. Attempt three times
- * to create the file.
- */
- StillLocking = TRUE;
- i = 0;
- do {
- i++;
- lfd = open(tmp, O_CREAT | O_EXCL | O_WRONLY, 0644);
- if (lfd < 0)
- sleep(2);
- else
- break;
- } while (i < 3);
- if (lfd < 0) {
- unlink(tmp);
- i = 0;
- do {
- i++;
- lfd = open(tmp, O_CREAT | O_EXCL | O_WRONLY, 0644);
- if (lfd < 0)
- sleep(2);
- else
- break;
- } while (i < 3);
- }
- if (lfd < 0)
- FatalError("Could not create lock file in %s\n", tmp);
- (void) sprintf(pid_str, "%10ld\n", (long)getpid());
- (void) write(lfd, pid_str, 11);
-#ifndef __UNIXOS2__
-#ifndef USE_CHMOD
- (void) fchmod(lfd, 0444);
-#else
- (void) chmod(tmp, 0444);
-#endif
-#endif
- (void) close(lfd);
-
- /*
- * OK. Now the tmp file exists. Try three times to move it in place
- * for the lock.
- */
- i = 0;
- haslock = 0;
- while ((!haslock) && (i++ < 3)) {
- haslock = (link(tmp,LockFile) == 0);
- if (haslock) {
- /*
- * We're done.
- */
- break;
- }
- else {
- /*
- * Read the pid from the existing file
- */
- lfd = open(LockFile, O_RDONLY);
- if (lfd < 0) {
- unlink(tmp);
- FatalError("Can't read lock file %s\n", LockFile);
- }
- pid_str[0] = '\0';
- if (read(lfd, pid_str, 11) != 11) {
- /*
- * Bogus lock file.
- */
- unlink(LockFile);
- close(lfd);
- continue;
- }
- pid_str[11] = '\0';
- sscanf(pid_str, "%d", &l_pid);
- close(lfd);
-
- /*
- * Now try to kill the PID to see if it exists.
- */
- errno = 0;
- t = kill(l_pid, 0);
- if ((t< 0) && (errno == ESRCH)) {
- /*
- * Stale lock file.
- */
- unlink(LockFile);
- continue;
- }
- else if (((t < 0) && (errno == EPERM)) || (t == 0)) {
- /*
- * Process is still active.
- */
- unlink(tmp);
- FatalError("Server is already active for display %s\n%s %s\n%s\n",
- port, "\tIf this server is no longer running, remove",
- LockFile, "\tand start again.");
- }
- }
- }
- unlink(tmp);
- if (!haslock)
- FatalError("Could not create server lock file: %s\n", LockFile);
- StillLocking = FALSE;
-}
-
-/*
- * UnlockServer --
- * Remove the server lock file.
- */
-void
-UnlockServer(void)
-{
- if (nolock) return;
-
- if (!StillLocking){
-
-#ifdef __UNIXOS2__
- (void) chmod(LockFile,S_IREAD|S_IWRITE);
-#endif /* __UNIXOS2__ */
- (void) unlink(LockFile);
- }
-}
-#endif /* SERVER_LOCK */
-
-/* Force connections to close on SIGHUP from init */
-
-/*ARGSUSED*/
-SIGVAL
-AutoResetServer (int sig)
-{
- int olderrno = errno;
-
- dispatchException |= DE_RESET;
- isItTimeToYield = TRUE;
-#ifdef GPROF
- chdir ("/tmp");
- exit (0);
-#endif
-#if defined(SYSV) && defined(X_NOT_POSIX)
- OsSignal (SIGHUP, AutoResetServer);
-#endif
- errno = olderrno;
-}
-
-/* Force connections to close and then exit on SIGTERM, SIGINT */
-
-/*ARGSUSED*/
-SIGVAL
-GiveUp(int sig)
-{
- int olderrno = errno;
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "GiveUp: Called with signal [%d].\n", sig);
-#endif
-
- dispatchException |= DE_TERMINATE;
- isItTimeToYield = TRUE;
-#if defined(SYSV) && defined(X_NOT_POSIX)
- if (sig)
- OsSignal(sig, SIG_IGN);
-#endif
- errno = olderrno;
-}
-
-#ifndef DDXTIME
-CARD32
-GetTimeInMillis(void)
-{
- struct timeval tp;
-
- X_GETTIMEOFDAY(&tp);
- return(tp.tv_sec * 1000) + (tp.tv_usec / 1000);
-}
-#endif
-
-void
-AdjustWaitForDelay (pointer waitTime, unsigned long newdelay)
-{
- static struct timeval delay_val;
- struct timeval **wt = (struct timeval **) waitTime;
- unsigned long olddelay;
-
- if (*wt == NULL)
- {
- delay_val.tv_sec = newdelay / 1000;
- delay_val.tv_usec = 1000 * (newdelay % 1000);
- *wt = &delay_val;
- }
- else
- {
- olddelay = (*wt)->tv_sec * 1000 + (*wt)->tv_usec / 1000;
- if (newdelay < olddelay)
- {
- (*wt)->tv_sec = newdelay / 1000;
- (*wt)->tv_usec = 1000 * (newdelay % 1000);
- }
- }
-}
-
-void UseMsg(void)
-{
-#if !defined(AIXrt) && !defined(AIX386)
- ErrorF("use: X [:<display>] [option]\n");
- ErrorF("-a # mouse acceleration (pixels)\n");
- ErrorF("-ac disable access control restrictions\n");
-#ifdef MEMBUG
- ErrorF("-alloc int chance alloc should fail\n");
-#endif
- ErrorF("-audit int set audit trail level\n");
- ErrorF("-auth file select authorization file\n");
- ErrorF("bc enable bug compatibility\n");
- ErrorF("-br create root window with black background\n");
- ErrorF("+bs enable any backing store support\n");
- ErrorF("-bs disable any backing store support\n");
- ErrorF("-c turns off key-click\n");
- ErrorF("c # key-click volume (0-100)\n");
- ErrorF("-cc int default color visual class\n");
- ErrorF("-co file color database file\n");
-#ifdef COMMANDLINE_CHALLENGED_OPERATING_SYSTEMS
- ErrorF("-config file read options from file\n");
-#endif
- ErrorF("-core generate core dump on fatal error\n");
- ErrorF("-dpi int screen resolution in dots per inch\n");
-#ifdef DPMSExtension
- ErrorF("dpms enables VESA DPMS monitor control\n");
- ErrorF("-dpms disables VESA DPMS monitor control\n");
-#endif
- ErrorF("-deferglyphs [none|all|16] defer loading of [no|all|16-bit] glyphs\n");
- ErrorF("-f # bell base (0-100)\n");
- ErrorF("-fc string cursor font\n");
- ErrorF("-fn string default font name\n");
- ErrorF("-fp string default font path\n");
- ErrorF("-help prints message with these options\n");
- ErrorF("-I ignore all remaining arguments\n");
-#ifdef RLIMIT_DATA
- ErrorF("-ld int limit data space to N Kb\n");
-#endif
-#ifdef RLIMIT_NOFILE
- ErrorF("-lf int limit number of open files to N\n");
-#endif
-#ifdef RLIMIT_STACK
- ErrorF("-ls int limit stack space to N Kb\n");
-#endif
-#ifdef SERVER_LOCK
- ErrorF("-nolock disable the locking mechanism\n");
-#endif
-#ifndef NOLOGOHACK
- ErrorF("-logo enable logo in screen saver\n");
- ErrorF("nologo disable logo in screen saver\n");
-#endif
- ErrorF("-nolisten string don't listen on protocol\n");
- ErrorF("-noreset don't reset after last client exists\n");
- ErrorF("-reset reset after last client exists\n");
- ErrorF("-p # screen-saver pattern duration (minutes)\n");
- ErrorF("-pn accept failure to listen on all ports\n");
- ErrorF("-nopn reject failure to listen on all ports\n");
- ErrorF("-r turns off auto-repeat\n");
- ErrorF("r turns on auto-repeat \n");
-#ifdef RENDER
- ErrorF("-render [default|mono|gray|color] set render color alloc policy\n");
-#endif
- ErrorF("-s # screen-saver timeout (minutes)\n");
-#ifdef XCSECURITY
- ErrorF("-sp file security policy file\n");
-#endif
-#ifdef XPRINT
- PrinterUseMsg();
-#endif
- ErrorF("-su disable any save under support\n");
- ErrorF("-t # mouse threshold (pixels)\n");
- ErrorF("-terminate terminate at server reset\n");
- ErrorF("-to # connection time out\n");
- ErrorF("-tst disable testing extensions\n");
- ErrorF("ttyxx server started from init on /dev/ttyxx\n");
- ErrorF("v video blanking for screen-saver\n");
- ErrorF("-v screen-saver without video blanking\n");
- ErrorF("-wm WhenMapped default backing-store\n");
- ErrorF("-x string loads named extension at init time \n");
- ErrorF("-maxbigreqsize set maximal bigrequest size \n");
-#ifdef PANORAMIX
- ErrorF("+xinerama Enable XINERAMA extension\n");
- ErrorF("-xinerama Disable XINERAMA extension\n");
-#endif
-#ifdef SMART_SCHEDULE
- ErrorF("-dumbSched Disable smart scheduling, enable old behavior\n");
- ErrorF("-schedInterval int Set scheduler interval in msec\n");
-#endif
- ErrorF("+extension name Enable extension\n");
- ErrorF("-extension name Disable extension\n");
-#ifdef XDMCP
- XdmcpUseMsg();
-#endif
-#endif /* !AIXrt && ! AIX386 */
-#ifdef XKB
- XkbUseMsg();
-#endif
- ddxUseMsg();
-}
-
-/* This function performs a rudimentary sanity check
- * on the display name passed in on the command-line,
- * since this string is used to generate filenames.
- * It is especially important that the display name
- * not contain a "/" and not start with a "-".
- * --kvajk
- */
-static int
-VerifyDisplayName(const char *d)
-{
- if ( d == (char *)0 ) return( 0 ); /* null */
- if ( *d == '\0' ) return( 0 ); /* empty */
- if ( *d == '-' ) return( 0 ); /* could be confused for an option */
- if ( *d == '.' ) return( 0 ); /* must not equal "." or ".." */
- if ( strchr(d, '/') != (char *)0 ) return( 0 ); /* very important!!! */
- return( 1 );
-}
-
-/*
- * This function is responsible for doing initalisation of any global
- * variables at an very early point of server startup (even before
- * |ProcessCommandLine()|.
- */
-void InitGlobals(void)
-{
- ddxInitGlobals();
-}
-
-
-/*
- * This function parses the command line. Handles device-independent fields
- * and allows ddx to handle additional fields. It is not allowed to modify
- * argc or any of the strings pointed to by argv.
- */
-void
-ProcessCommandLine(int argc, char *argv[])
-{
- int i, skip;
-
- defaultKeyboardControl.autoRepeat = TRUE;
-
-#ifdef NO_PART_NET
- PartialNetwork = FALSE;
-#else
- PartialNetwork = TRUE;
-#endif
-
- for ( i = 1; i < argc; i++ )
- {
- /* call ddx first, so it can peek/override if it wants */
- if((skip = ddxProcessArgument(argc, argv, i)))
- {
- i += (skip - 1);
- }
- else if(argv[i][0] == ':')
- {
- /* initialize display */
- display = argv[i];
- display++;
- if( ! VerifyDisplayName( display ) ) {
- ErrorF("Bad display name: %s\n", display);
- UseMsg();
- FatalError("Bad display name, exiting: %s\n", display);
- }
- }
- else if ( strcmp( argv[i], "-a") == 0)
- {
- if(++i < argc)
- defaultPointerControl.num = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-ac") == 0)
- {
- defeatAccessControl = TRUE;
- }
-#ifdef MEMBUG
- else if ( strcmp( argv[i], "-alloc") == 0)
- {
- if(++i < argc)
- Memory_fail = atoi(argv[i]);
- else
- UseMsg();
- }
-#endif
- else if ( strcmp( argv[i], "-audit") == 0)
- {
- if(++i < argc)
- auditTrailLevel = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-auth") == 0)
- {
- if(++i < argc)
- InitAuthorization (argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "bc") == 0)
- permitOldBugs = TRUE;
- else if ( strcmp( argv[i], "-br") == 0)
- blackRoot = TRUE;
- else if ( strcmp( argv[i], "+bs") == 0)
- enableBackingStore = TRUE;
- else if ( strcmp( argv[i], "-bs") == 0)
- disableBackingStore = TRUE;
- else if ( strcmp( argv[i], "c") == 0)
- {
- if(++i < argc)
- defaultKeyboardControl.click = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-c") == 0)
- {
- defaultKeyboardControl.click = 0;
- }
- else if ( strcmp( argv[i], "-cc") == 0)
- {
- if(++i < argc)
- defaultColorVisualClass = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-co") == 0)
- {
- if(++i < argc)
- rgbPath = argv[i];
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-core") == 0)
- CoreDump = TRUE;
- else if ( strcmp( argv[i], "-dpi") == 0)
- {
- if(++i < argc)
- monitorResolution = atoi(argv[i]);
- else
- UseMsg();
- }
-#ifdef DPMSExtension
- else if ( strcmp( argv[i], "dpms") == 0)
- DPMSEnabledSwitch = TRUE;
- else if ( strcmp( argv[i], "-dpms") == 0)
- DPMSDisabledSwitch = TRUE;
-#endif
- else if ( strcmp( argv[i], "-deferglyphs") == 0)
- {
- if(++i >= argc || !ParseGlyphCachingMode(argv[i]))
- UseMsg();
- }
- else if ( strcmp( argv[i], "-f") == 0)
- {
- if(++i < argc)
- defaultKeyboardControl.bell = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-fc") == 0)
- {
- if(++i < argc)
- defaultCursorFont = argv[i];
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-fn") == 0)
- {
- if(++i < argc)
- defaultTextFont = argv[i];
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-fp") == 0)
- {
- if(++i < argc)
- {
-#ifdef sgi
- userdefinedfontpath = 1;
-#endif /* sgi */
- defaultFontPath = argv[i];
- }
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-help") == 0)
- {
- UseMsg();
- exit(0);
- }
-#ifdef XKB
- else if ( (skip=XkbProcessArguments(argc,argv,i))!=0 ) {
- if (skip>0)
- i+= skip-1;
- else UseMsg();
- }
-#endif
-#ifdef RLIMIT_DATA
- else if ( strcmp( argv[i], "-ld") == 0)
- {
- if(++i < argc)
- {
- limitDataSpace = atoi(argv[i]);
- if (limitDataSpace > 0)
- limitDataSpace *= 1024;
- }
- else
- UseMsg();
- }
-#endif
-#ifdef RLIMIT_NOFILE
- else if ( strcmp( argv[i], "-lf") == 0)
- {
- if(++i < argc)
- limitNoFile = atoi(argv[i]);
- else
- UseMsg();
- }
-#endif
-#ifdef RLIMIT_STACK
- else if ( strcmp( argv[i], "-ls") == 0)
- {
- if(++i < argc)
- {
- limitStackSpace = atoi(argv[i]);
- if (limitStackSpace > 0)
- limitStackSpace *= 1024;
- }
- else
- UseMsg();
- }
-#endif
-#ifdef SERVER_LOCK
- else if ( strcmp ( argv[i], "-nolock") == 0)
- {
-#if !defined(WIN32) && !defined(__UNIXOS2__) && !defined(__CYGWIN__)
- if (getuid() != 0)
- ErrorF("Warning: the -nolock option can only be used by root\n");
- else
-#endif
- nolock = TRUE;
- }
-#endif
-#ifndef NOLOGOHACK
- else if ( strcmp( argv[i], "-logo") == 0)
- {
- logoScreenSaver = 1;
- }
- else if ( strcmp( argv[i], "nologo") == 0)
- {
- logoScreenSaver = 0;
- }
-#endif
- else if ( strcmp( argv[i], "-nolisten") == 0)
- {
- if(++i < argc) {
- if (_XSERVTransNoListen(argv[i]))
- FatalError ("Failed to disable listen for %s transport",
- argv[i]);
- } else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-noreset") == 0)
- {
- dispatchExceptionAtReset = 0;
- }
- else if ( strcmp( argv[i], "-reset") == 0)
- {
- dispatchExceptionAtReset = DE_RESET;
- }
- else if ( strcmp( argv[i], "-p") == 0)
- {
- if(++i < argc)
- defaultScreenSaverInterval = ((CARD32)atoi(argv[i])) *
- MILLI_PER_MIN;
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-pn") == 0)
- PartialNetwork = TRUE;
- else if ( strcmp( argv[i], "-nopn") == 0)
- PartialNetwork = FALSE;
- else if ( strcmp( argv[i], "r") == 0)
- defaultKeyboardControl.autoRepeat = TRUE;
- else if ( strcmp( argv[i], "-r") == 0)
- defaultKeyboardControl.autoRepeat = FALSE;
- else if ( strcmp( argv[i], "-s") == 0)
- {
- if(++i < argc)
- defaultScreenSaverTime = ((CARD32)atoi(argv[i])) *
- MILLI_PER_MIN;
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-su") == 0)
- disableSaveUnders = TRUE;
- else if ( strcmp( argv[i], "-t") == 0)
- {
- if(++i < argc)
- defaultPointerControl.threshold = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-terminate") == 0)
- {
- dispatchExceptionAtReset = DE_TERMINATE;
- }
- else if ( strcmp( argv[i], "-to") == 0)
- {
- if(++i < argc)
- TimeOutValue = ((CARD32)atoi(argv[i])) * MILLI_PER_SECOND;
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-tst") == 0)
- {
- noTestExtensions = TRUE;
- }
- else if ( strcmp( argv[i], "v") == 0)
- defaultScreenSaverBlanking = PreferBlanking;
- else if ( strcmp( argv[i], "-v") == 0)
- defaultScreenSaverBlanking = DontPreferBlanking;
- else if ( strcmp( argv[i], "-wm") == 0)
- defaultBackingStore = WhenMapped;
- else if ( strcmp( argv[i], "-maxbigreqsize") == 0) {
- if(++i < argc) {
- long reqSizeArg = atol(argv[i]);
-
- /* Request size > 128MB does not make much sense... */
- if( reqSizeArg > 0L && reqSizeArg < 128L ) {
- maxBigRequestSize = (reqSizeArg * 1048576L) - 1L;
- }
- else
- {
- UseMsg();
- }
- }
- else
- {
- UseMsg();
- }
- }
-#ifdef PANORAMIX
- else if ( strcmp( argv[i], "+xinerama") == 0){
- noPanoramiXExtension = FALSE;
- }
- else if ( strcmp( argv[i], "-xinerama") == 0){
- noPanoramiXExtension = TRUE;
- }
- else if ( strcmp( argv[i], "-disablexineramaextension") == 0){
- PanoramiXExtensionDisabledHack = TRUE;
- }
-#endif
- else if ( strcmp( argv[i], "-x") == 0)
- {
- if(++i >= argc)
- UseMsg();
- /* For U**x, which doesn't support dynamic loading, there's nothing
- * to do when we see a -x. Either the extension is linked in or
- * it isn't */
- }
- else if ( strcmp( argv[i], "-I") == 0)
- {
- /* ignore all remaining arguments */
- break;
- }
- else if (strncmp (argv[i], "tty", 3) == 0)
- {
- /* just in case any body is interested */
- dev_tty_from_init = argv[i];
- }
-#ifdef XDMCP
- else if ((skip = XdmcpOptions(argc, argv, i)) != i)
- {
- i = skip - 1;
- }
-#endif
-#ifdef XPRINT
- else if ((skip = PrinterOptions(argc, argv, i)) != i)
- {
- i = skip - 1;
- }
-#endif
-#ifdef XCSECURITY
- else if ((skip = XSecurityOptions(argc, argv, i)) != i)
- {
- i = skip - 1;
- }
-#endif
-#ifdef AIXV3
- else if ( strcmp( argv[i], "-timeout") == 0)
- {
- if(++i < argc)
- SelectWaitTime = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-sync") == 0)
- {
- SyncOn++;
- }
-#endif
-#ifdef SMART_SCHEDULE
- else if ( strcmp( argv[i], "-dumbSched") == 0)
- {
- SmartScheduleDisable = TRUE;
- }
- else if ( strcmp( argv[i], "-schedInterval") == 0)
- {
- if (++i < argc)
- {
- SmartScheduleInterval = atoi(argv[i]);
- SmartScheduleSlice = SmartScheduleInterval;
- }
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-schedMax") == 0)
- {
- if (++i < argc)
- {
- SmartScheduleMaxSlice = atoi(argv[i]);
- }
- else
- UseMsg();
- }
-#endif
-#ifdef RENDER
- else if ( strcmp( argv[i], "-render" ) == 0)
- {
- if (++i < argc)
- {
- int policy = PictureParseCmapPolicy (argv[i]);
-
- if (policy != PictureCmapPolicyInvalid)
- PictureCmapPolicy = policy;
- else
- UseMsg ();
- }
- else
- UseMsg ();
- }
-#endif
- else if ( strcmp( argv[i], "+extension") == 0)
- {
- if (++i < argc)
- {
- if (!EnableDisableExtension(argv[i], TRUE))
- EnableDisableExtensionError(argv[i], TRUE);
- }
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-extension") == 0)
- {
- if (++i < argc)
- {
- if (!EnableDisableExtension(argv[i], FALSE))
- EnableDisableExtensionError(argv[i], FALSE);
- }
- else
- UseMsg();
- }
- else
- {
- ErrorF("Unrecognized option: %s\n", argv[i]);
- UseMsg();
- FatalError("Unrecognized option: %s\n", argv[i]);
- }
- }
-}
-
-#ifdef COMMANDLINE_CHALLENGED_OPERATING_SYSTEMS
-static void
-InsertFileIntoCommandLine(
- int *resargc, char ***resargv,
- int prefix_argc, char **prefix_argv,
- char *filename,
- int suffix_argc, char **suffix_argv)
-{
- struct stat st;
- FILE *f;
- char *p;
- char *q;
- int insert_argc;
- char *buf;
- int len;
- int i;
-
- f = fopen(filename, "r");
- if (!f)
- FatalError("Can't open option file %s\n", filename);
-
- fstat(fileno(f), &st);
-
- buf = (char *) xalloc((unsigned) st.st_size + 1);
- if (!buf)
- FatalError("Out of Memory\n");
-
- len = fread(buf, 1, (unsigned) st.st_size, f);
-
- fclose(f);
-
- if (len < 0)
- FatalError("Error reading option file %s\n", filename);
-
- buf[len] = '\0';
-
- p = buf;
- q = buf;
- insert_argc = 0;
-
- while (*p)
- {
- while (isspace(*p))
- p++;
- if (!*p)
- break;
- if (*p == '#')
- {
- while (*p && *p != '\n')
- p++;
- } else
- {
- while (*p && !isspace(*p))
- *q++ = *p++;
- /* Since p and q might still be pointing at the same place, we */
- /* need to step p over the whitespace now before we add the null. */
- if (*p)
- p++;
- *q++ = '\0';
- insert_argc++;
- }
- }
-
- buf = (char *) xrealloc(buf, q - buf);
- if (!buf)
- FatalError("Out of memory reallocing option buf\n");
-
- *resargc = prefix_argc + insert_argc + suffix_argc;
- *resargv = (char **) xalloc((*resargc + 1) * sizeof(char *));
- if (!*resargv)
- FatalError("Out of Memory\n");
-
- memcpy(*resargv, prefix_argv, prefix_argc * sizeof(char *));
-
- p = buf;
- for (i = 0; i < insert_argc; i++)
- {
- (*resargv)[prefix_argc + i] = p;
- p += strlen(p) + 1;
- }
-
- memcpy(*resargv + prefix_argc + insert_argc,
- suffix_argv, suffix_argc * sizeof(char *));
-
- (*resargv)[*resargc] = NULL;
-} /* end InsertFileIntoCommandLine */
-
-
-void
-ExpandCommandLine(int *pargc, char ***pargv)
-{
- int i;
-
-#if !defined(WIN32) && !defined(__UNIXOS2__) && !defined(__CYGWIN__)
- if (getuid() != geteuid())
- return;
-#endif
-
- for (i = 1; i < *pargc; i++)
- {
- if ( (0 == strcmp((*pargv)[i], "-config")) && (i < (*pargc - 1)) )
- {
- InsertFileIntoCommandLine(pargc, pargv,
- i, *pargv,
- (*pargv)[i+1], /* filename */
- *pargc - i - 2, *pargv + i + 2);
- i--;
- }
- }
-} /* end ExpandCommandLine */
-#endif
-
-/* Implement a simple-minded font authorization scheme. The authorization
- name is "hp-hostname-1", the contents are simply the host name. */
-int
-set_font_authorizations(char **authorizations, int *authlen, pointer client)
-{
-#define AUTHORIZATION_NAME "hp-hostname-1"
-#if defined(TCPCONN) || defined(STREAMSCONN)
- static char *result = NULL;
- static char *p = NULL;
-
- if (p == NULL)
- {
- char hname[1024], *hnameptr;
- unsigned int len;
-#if defined(IPv6) && defined(AF_INET6)
- struct addrinfo hints, *ai = NULL;
-#else
- struct hostent *host;
-#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
- _Xgethostbynameparams hparams;
-#endif
-#endif
-
- gethostname(hname, 1024);
-#if defined(IPv6) && defined(AF_INET6)
- bzero(&hints, sizeof(hints));
- hints.ai_flags = AI_CANONNAME;
- if (getaddrinfo(hname, NULL, &hints, &ai) == 0) {
- hnameptr = ai->ai_canonname;
- } else {
- hnameptr = hname;
- }
-#else
- host = _XGethostbyname(hname, hparams);
- if (host == NULL)
- hnameptr = hname;
- else
- hnameptr = host->h_name;
-#endif
-
- len = strlen(hnameptr) + 1;
- result = xalloc(len + sizeof(AUTHORIZATION_NAME) + 4);
-
- p = result;
- *p++ = sizeof(AUTHORIZATION_NAME) >> 8;
- *p++ = sizeof(AUTHORIZATION_NAME) & 0xff;
- *p++ = (len) >> 8;
- *p++ = (len & 0xff);
-
- memmove(p, AUTHORIZATION_NAME, sizeof(AUTHORIZATION_NAME));
- p += sizeof(AUTHORIZATION_NAME);
- memmove(p, hnameptr, len);
- p += len;
-#if defined(IPv6) && defined(AF_INET6)
- if (ai) {
- freeaddrinfo(ai);
- }
-#endif
- }
- *authlen = p - result;
- *authorizations = result;
- return 1;
-#else /* TCPCONN */
- return 0;
-#endif /* TCPCONN */
-}
-
-/* XALLOC -- X's internal memory allocator. Why does it return unsigned
- * long * instead of the more common char *? Well, if you read K&R you'll
- * see they say that alloc must return a pointer "suitable for conversion"
- * to whatever type you really want. In a full-blown generic allocator
- * there's no way to solve the alignment problems without potentially
- * wasting lots of space. But we have a more limited problem. We know
- * we're only ever returning pointers to structures which will have to
- * be long word aligned. So we are making a stronger guarantee. It might
- * have made sense to make Xalloc return char * to conform with people's
- * expectations of malloc, but this makes lint happier.
- */
-
-#ifndef INTERNAL_MALLOC
-
-void *
-Xalloc(unsigned long amount)
-{
- register pointer ptr;
-
- if ((long)amount <= 0) {
- return (unsigned long *)NULL;
- }
- /* aligned extra on long word boundary */
- amount = (amount + (sizeof(long) - 1)) & ~(sizeof(long) - 1);
-#ifdef MEMBUG
- if (!Must_have_memory && Memory_fail &&
- ((random() % MEM_FAIL_SCALE) < Memory_fail))
- return (unsigned long *)NULL;
-#endif
- if ((ptr = (pointer)malloc(amount))) {
- return (unsigned long *)ptr;
- }
- if (Must_have_memory)
- FatalError("Out of memory");
- return (unsigned long *)NULL;
-}
-
-/*****************
- * XNFalloc
- * "no failure" realloc, alternate interface to Xalloc w/o Must_have_memory
- *****************/
-
-void *
-XNFalloc(unsigned long amount)
-{
- register pointer ptr;
-
- if ((long)amount <= 0)
- {
- return (unsigned long *)NULL;
- }
- /* aligned extra on long word boundary */
- amount = (amount + (sizeof(long) - 1)) & ~(sizeof(long) - 1);
- ptr = (pointer)malloc(amount);
- if (!ptr)
- {
- FatalError("Out of memory");
- }
- return ((unsigned long *)ptr);
-}
-
-/*****************
- * Xcalloc
- *****************/
-
-void *
-Xcalloc(unsigned long amount)
-{
- unsigned long *ret;
-
- ret = Xalloc (amount);
- if (ret)
- bzero ((char *) ret, (int) amount);
- return ret;
-}
-
-/*****************
- * XNFcalloc
- *****************/
-
-void *
-XNFcalloc(unsigned long amount)
-{
- unsigned long *ret;
-
- ret = Xalloc (amount);
- if (ret)
- bzero ((char *) ret, (int) amount);
- else if ((long)amount > 0)
- FatalError("Out of memory");
- return ret;
-}
-
-/*****************
- * Xrealloc
- *****************/
-
-void *
-Xrealloc(pointer ptr, unsigned long amount)
-{
-#ifdef MEMBUG
- if (!Must_have_memory && Memory_fail &&
- ((random() % MEM_FAIL_SCALE) < Memory_fail))
- return (unsigned long *)NULL;
-#endif
- if ((long)amount <= 0)
- {
- if (ptr && !amount)
- free(ptr);
- return (unsigned long *)NULL;
- }
- amount = (amount + (sizeof(long) - 1)) & ~(sizeof(long) - 1);
- if (ptr)
- ptr = (pointer)realloc((char *)ptr, amount);
- else
- ptr = (pointer)malloc(amount);
- if (ptr)
- return (unsigned long *)ptr;
- if (Must_have_memory)
- FatalError("Out of memory");
- return (unsigned long *)NULL;
-}
-
-/*****************
- * XNFrealloc
- * "no failure" realloc, alternate interface to Xrealloc w/o Must_have_memory
- *****************/
-
-void *
-XNFrealloc(pointer ptr, unsigned long amount)
-{
- if (( ptr = (pointer)Xrealloc( ptr, amount ) ) == NULL)
- {
- if ((long)amount > 0)
- FatalError( "Out of memory" );
- }
- return ((unsigned long *)ptr);
-}
-
-/*****************
- * Xfree
- * calls free
- *****************/
-
-void
-Xfree(pointer ptr)
-{
- if (ptr)
- free((char *)ptr);
-}
-
-void
-OsInitAllocator (void)
-{
-#ifdef MEMBUG
- static int been_here;
-
- /* Check the memory system after each generation */
- if (been_here)
- CheckMemory ();
- else
- been_here = 1;
-#endif
-}
-#endif /* !INTERNAL_MALLOC */
-
-
-char *
-Xstrdup(const char *s)
-{
- char *sd;
-
- if (s == NULL)
- return NULL;
-
- sd = (char *)Xalloc(strlen(s) + 1);
- if (sd != NULL)
- strcpy(sd, s);
- return sd;
-}
-
-
-char *
-XNFstrdup(const char *s)
-{
- char *sd;
-
- if (s == NULL)
- return NULL;
-
- sd = (char *)XNFalloc(strlen(s) + 1);
- strcpy(sd, s);
- return sd;
-}
-
-#ifdef SMART_SCHEDULE
-
-unsigned long SmartScheduleIdleCount;
-Bool SmartScheduleIdle;
-Bool SmartScheduleTimerStopped;
-
-#ifdef SIGVTALRM
-#define SMART_SCHEDULE_POSSIBLE
-#endif
-
-#ifdef SMART_SCHEDULE_POSSIBLE
-#define SMART_SCHEDULE_SIGNAL SIGALRM
-#define SMART_SCHEDULE_TIMER ITIMER_REAL
-#endif
-
-#ifdef NX_TRANS_SOCKET
-void
-SmartScheduleStopTimer (void)
-#else
-static void
-SmartScheduleStopTimer (void)
-#endif
-{
-#ifdef SMART_SCHEDULE_POSSIBLE
- struct itimerval timer;
-
- #ifdef NX_TRANS_TEST
- fprintf(stderr, "SmartScheduleStopTimer: Stopping timer.\n");
- #endif
-
- timer.it_interval.tv_sec = 0;
- timer.it_interval.tv_usec = 0;
- timer.it_value.tv_sec = 0;
- timer.it_value.tv_usec = 0;
- (void) setitimer (ITIMER_REAL, &timer, 0);
- SmartScheduleTimerStopped = TRUE;
-#endif
-}
-
-Bool
-SmartScheduleStartTimer (void)
-{
-#ifdef SMART_SCHEDULE_POSSIBLE
- struct itimerval timer;
-
- #ifdef NX_TRANS_SOCKET
-
- if (SmartScheduleDisable)
- {
- return FALSE;
- }
-
- #endif
-
- #ifdef NX_TRANS_TEST
- fprintf(stderr, "SmartScheduleStartTimer: Starting timer with [%ld] ms.\n",
- SmartScheduleInterval);
- #endif
-
- SmartScheduleTimerStopped = FALSE;
- timer.it_interval.tv_sec = 0;
- timer.it_interval.tv_usec = SmartScheduleInterval * 1000;
- timer.it_value.tv_sec = 0;
- timer.it_value.tv_usec = SmartScheduleInterval * 1000;
- return setitimer (ITIMER_REAL, &timer, 0) >= 0;
-#endif
- return FALSE;
-}
-
-#ifdef SMART_SCHEDULE_POSSIBLE
-static void
-SmartScheduleTimer (int sig)
-{
- int olderrno = errno;
-
- SmartScheduleTime += SmartScheduleInterval;
-
- #ifdef NX_TRANS_TEST
- fprintf(stderr, "SmartScheduleTimer: Got timer with time [%ld] ms.\n",
- SmartScheduleTime);
- #endif
-
- if (SmartScheduleIdle)
- {
- SmartScheduleStopTimer ();
- }
- errno = olderrno;
-}
-#endif
-
-Bool
-SmartScheduleInit (void)
-{
-#ifdef SMART_SCHEDULE_POSSIBLE
- struct sigaction act;
-
- if (SmartScheduleDisable)
- return TRUE;
-
- #ifdef NX_TRANS_TEST
- fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n");
- #endif
-
- bzero ((char *) &act, sizeof(struct sigaction));
-
- /* Set up the timer signal function */
- act.sa_handler = SmartScheduleTimer;
- sigemptyset (&act.sa_mask);
- sigaddset (&act.sa_mask, SMART_SCHEDULE_SIGNAL);
- if (sigaction (SMART_SCHEDULE_SIGNAL, &act, 0) < 0)
- {
- perror ("sigaction for smart scheduler");
- return FALSE;
- }
- /* Set up the virtual timer */
- if (!SmartScheduleStartTimer ())
- {
- perror ("scheduling timer");
- return FALSE;
- }
- /* stop the timer and wait for WaitForSomething to start it */
- SmartScheduleStopTimer ();
- return TRUE;
-#else
- return FALSE;
-#endif
-}
-#endif
-
-#ifdef SIG_BLOCK
-static sigset_t PreviousSignalMask;
-static int BlockedSignalCount;
-#endif
-
-void
-OsBlockSignals (void)
-{
-#ifdef SIG_BLOCK
- if (BlockedSignalCount++ == 0)
- {
- sigset_t set;
-
- sigemptyset (&set);
-#ifdef SIGALRM
- sigaddset (&set, SIGALRM);
-#endif
-#ifdef SIGVTALRM
- sigaddset (&set, SIGVTALRM);
-#endif
-#ifdef SIGWINCH
- sigaddset (&set, SIGWINCH);
-#endif
-#ifdef SIGIO
- sigaddset (&set, SIGIO);
-#endif
-#ifdef SIGTSTP
- sigaddset (&set, SIGTSTP);
-#endif
-#ifdef SIGTTIN
- sigaddset (&set, SIGTTIN);
-#endif
-#ifdef SIGTTOU
- sigaddset (&set, SIGTTOU);
-#endif
-#ifdef SIGCHLD
- sigaddset (&set, SIGCHLD);
-#endif
- sigprocmask (SIG_BLOCK, &set, &PreviousSignalMask);
- }
-#endif
-}
-
-void
-OsReleaseSignals (void)
-{
-#ifdef SIG_BLOCK
- if (--BlockedSignalCount == 0)
- {
- sigprocmask (SIG_SETMASK, &PreviousSignalMask, 0);
- }
-#endif
-}
-
-#if !defined(WIN32) && !defined(__UNIXOS2__)
-/*
- * "safer" versions of system(3), popen(3) and pclose(3) which give up
- * all privs before running a command.
- *
- * This is based on the code in FreeBSD 2.2 libc.
- *
- * XXX It'd be good to redirect stderr so that it ends up in the log file
- * as well. As it is now, xkbcomp messages don't end up in the log file.
- */
-
-int
-System(char *command)
-{
- int pid, p;
-#ifdef SIGCHLD
- void (*csig)(int);
-#endif
- int status;
-
- if (!command)
- return(1);
-
-#ifdef SIGCHLD
- csig = signal(SIGCHLD, SIG_DFL);
-#endif
-
-#ifdef DEBUG
- ErrorF("System: `%s'\n", command);
-#endif
-
-#ifdef NX_TRANS_EXIT
- if (OsVendorStartRedirectErrorFProc != NULL) {
- OsVendorStartRedirectErrorFProc();
- }
-#endif
- switch (pid = fork()) {
- case -1: /* error */
- p = -1;
- case 0: /* child */
- if (setgid(getgid()) == -1)
- _exit(127);
- if (setuid(getuid()) == -1)
- _exit(127);
- execl("/bin/sh", "sh", "-c", command, (char *)NULL);
- _exit(127);
- default: /* parent */
- do {
- p = waitpid(pid, &status, 0);
- } while (p == -1 && errno == EINTR);
-
- }
-#ifdef NX_TRANS_EXIT
- if (OsVendorEndRedirectErrorFProc != NULL) {
- OsVendorEndRedirectErrorFProc();
- }
-#endif
-
-#ifdef SIGCHLD
- signal(SIGCHLD, csig);
-#endif
-
- return p == -1 ? -1 : status;
-}
-
-static struct pid {
- struct pid *next;
- FILE *fp;
- int pid;
-} *pidlist;
-
-pointer
-Popen(char *command, char *type)
-{
- struct pid *cur;
- FILE *iop;
- int pdes[2], pid;
-
- if (command == NULL || type == NULL)
- return NULL;
-
- if ((*type != 'r' && *type != 'w') || type[1])
- return NULL;
-
- if ((cur = (struct pid *)xalloc(sizeof(struct pid))) == NULL)
- return NULL;
-
- if (pipe(pdes) < 0) {
- xfree(cur);
- return NULL;
- }
-
-#ifdef NX_TRANS_EXIT
- if (OsVendorStartRedirectErrorFProc != NULL) {
- OsVendorStartRedirectErrorFProc();
- }
- OsBlockSignals ();
-#endif
- switch (pid = fork()) {
- case -1: /* error */
- close(pdes[0]);
- close(pdes[1]);
- xfree(cur);
-#ifdef NX_TRANS_EXIT
- if (OsVendorEndRedirectErrorFProc != NULL) {
- OsVendorEndRedirectErrorFProc();
- }
- OsReleaseSignals ();
-#endif
- return NULL;
- case 0: /* child */
- if (setgid(getgid()) == -1)
- _exit(127);
- if (setuid(getuid()) == -1)
- _exit(127);
- if (*type == 'r') {
- if (pdes[1] != 1) {
- /* stdout */
- dup2(pdes[1], 1);
- close(pdes[1]);
- }
- close(pdes[0]);
- } else {
- if (pdes[0] != 0) {
- /* stdin */
- dup2(pdes[0], 0);
- close(pdes[0]);
- }
- close(pdes[1]);
- }
-
- #ifdef NX_TRANS_SOCKET
-
- /*
- * Check if the child process should not
- * use the parent's libraries.
- */
-
- if (_NXUnsetLibraryPath)
- {
- #ifndef __sun
-
- unsetenv ("LD_LIBRARY_PATH");
-
- #else
-
- extern char **environ;
-
- char **ep = environ;
-
- ep = environ;
-
- while (*ep)
- {
- if (!strncmp("LD_LIBRARY_PATH=", *ep, strlen("LD_LIBRARY_PATH=")))
- {
- break;
- }
-
- *ep++;
- }
-
- while (*ep)
- {
- *ep = *(ep + 1);
- ep++;
- }
-
- #endif
- }
-
- #endif
-
- #ifdef NX_TRANS_EXIT
- OsReleaseSignals ();
- #endif
-
- execl("/bin/sh", "sh", "-c", command, (char *)NULL);
- _exit(127);
- }
-
-#ifndef NX_TRANS_EXIT
- /* Avoid EINTR during stdio calls */
- OsBlockSignals ();
-#endif
-
- /* parent */
- if (*type == 'r') {
- iop = fdopen(pdes[0], type);
- close(pdes[1]);
- } else {
- iop = fdopen(pdes[1], type);
- close(pdes[0]);
- }
-
- cur->fp = iop;
- cur->pid = pid;
- cur->next = pidlist;
- pidlist = cur;
-
-#ifdef DEBUG
- ErrorF("Popen: `%s', fp = %p\n", command, iop);
-#endif
-
- return iop;
-}
-
-/* fopen that drops privileges */
-pointer
-Fopen(char *file, char *type)
-{
- FILE *iop;
-#ifndef HAS_SAVED_IDS_AND_SETEUID
- struct pid *cur;
- int pdes[2], pid;
-
- if (file == NULL || type == NULL)
- return NULL;
-
- if ((*type != 'r' && *type != 'w') || type[1])
- return NULL;
-
- if ((cur = (struct pid *)xalloc(sizeof(struct pid))) == NULL)
- return NULL;
-
- if (pipe(pdes) < 0) {
- xfree(cur);
- return NULL;
- }
-
- switch (pid = fork()) {
- case -1: /* error */
- close(pdes[0]);
- close(pdes[1]);
- xfree(cur);
- return NULL;
- case 0: /* child */
- if (setgid(getgid()) == -1)
- _exit(127);
- if (setuid(getuid()) == -1)
- _exit(127);
- if (*type == 'r') {
- if (pdes[1] != 1) {
- /* stdout */
- dup2(pdes[1], 1);
- close(pdes[1]);
- }
- close(pdes[0]);
- } else {
- if (pdes[0] != 0) {
- /* stdin */
- dup2(pdes[0], 0);
- close(pdes[0]);
- }
- close(pdes[1]);
- }
- execl("/bin/cat", "cat", file, (char *)NULL);
- _exit(127);
- }
-
- /* Avoid EINTR during stdio calls */
- OsBlockSignals ();
-
- /* parent */
- if (*type == 'r') {
- iop = fdopen(pdes[0], type);
- close(pdes[1]);
- } else {
- iop = fdopen(pdes[1], type);
- close(pdes[0]);
- }
-
- cur->fp = iop;
- cur->pid = pid;
- cur->next = pidlist;
- pidlist = cur;
-
-#ifdef DEBUG
- ErrorF("Popen: `%s', fp = %p\n", command, iop);
-#endif
-
- return iop;
-#else
- int ruid, euid;
-
- ruid = getuid();
- euid = geteuid();
-
- if (seteuid(ruid) == -1) {
- return NULL;
- }
- iop = fopen(file, type);
-
- if (seteuid(euid) == -1) {
- fclose(iop);
- return NULL;
- }
- return iop;
-#endif /* HAS_SAVED_IDS_AND_SETEUID */
-}
-
-int
-Pclose(pointer iop)
-{
- struct pid *cur, *last;
- int pstat;
- int pid;
-
-#ifdef DEBUG
- ErrorF("Pclose: fp = %p\n", iop);
-#endif
-
- fclose(iop);
-
- for (last = NULL, cur = pidlist; cur; last = cur, cur = cur->next)
- if (cur->fp == iop)
- break;
- if (cur == NULL)
- return -1;
-
- do {
- pid = waitpid(cur->pid, &pstat, 0);
- } while (pid == -1 && errno == EINTR);
-
- if (last == NULL)
- pidlist = cur->next;
- else
- last->next = cur->next;
- xfree(cur);
-
- /* allow EINTR again */
- OsReleaseSignals ();
-
-#ifdef NX_TRANS_EXIT
- if (OsVendorEndRedirectErrorFProc != NULL) {
- OsVendorEndRedirectErrorFProc();
- }
-#endif
- return pid == -1 ? -1 : pstat;
-}
-
-int
-Fclose(pointer iop)
-{
-#ifdef HAS_SAVED_IDS_AND_SETEUID
- return fclose(iop);
-#else
- return Pclose(iop);
-#endif
-}
-
-#endif /* !WIN32 && !__UNIXOS2__ */
-
-
-/*
- * CheckUserParameters: check for long command line arguments and long
- * environment variables. By default, these checks are only done when
- * the server's euid != ruid. In 3.3.x, these checks were done in an
- * external wrapper utility.
- */
-
-/* Consider LD* variables insecure? */
-#ifndef REMOVE_ENV_LD
-#define REMOVE_ENV_LD 1
-#endif
-
-/* Remove long environment variables? */
-#ifndef REMOVE_LONG_ENV
-#define REMOVE_LONG_ENV 1
-#endif
-
-/*
- * Disallow stdout or stderr as pipes? It's possible to block the X server
- * when piping stdout+stderr to a pipe.
- *
- * Don't enable this because it looks like it's going to cause problems.
- */
-#ifndef NO_OUTPUT_PIPES
-#define NO_OUTPUT_PIPES 0
-#endif
-
-
-/* Check args and env only if running setuid (euid == 0 && euid != uid) ? */
-#ifndef CHECK_EUID
-#ifndef WIN32
-#define CHECK_EUID 1
-#else
-#define CHECK_EUID 0
-#endif
-#endif
-
-/*
- * Maybe the locale can be faked to make isprint(3) report that everything
- * is printable? Avoid it by default.
- */
-#ifndef USE_ISPRINT
-#define USE_ISPRINT 0
-#endif
-
-#define MAX_ARG_LENGTH 128
-#define MAX_ENV_LENGTH 256
-#define MAX_ENV_PATH_LENGTH 2048 /* Limit for *PATH and TERMCAP */
-
-#if USE_ISPRINT
-#include <ctype.h>
-#define checkPrintable(c) isprint(c)
-#else
-#define checkPrintable(c) (((c) & 0x7f) >= 0x20 && ((c) & 0x7f) != 0x7f)
-#endif
-
-enum BadCode {
- NotBad = 0,
- UnsafeArg,
- ArgTooLong,
- UnprintableArg,
- EnvTooLong,
- OutputIsPipe,
- InternalError
-};
-
-#if defined(VENDORSUPPORT)
-#define BUGADDRESS VENDORSUPPORT
-#elif defined(BUILDERADDR)
-#define BUGADDRESS BUILDERADDR
-#else
-#define BUGADDRESS "xorg@freedesktop.org"
-#endif
-
-#define ARGMSG \
- "\nIf the arguments used are valid, and have been rejected incorrectly\n" \
- "please send details of the arguments and why they are valid to\n" \
- "%s. In the meantime, you can start the Xserver as\n" \
- "the \"super user\" (root).\n"
-
-#define ENVMSG \
- "\nIf the environment is valid, and have been rejected incorrectly\n" \
- "please send details of the environment and why it is valid to\n" \
- "%s. In the meantime, you can start the Xserver as\n" \
- "the \"super user\" (root).\n"
-
-void
-CheckUserParameters(int argc, char **argv, char **envp)
-{
- enum BadCode bad = NotBad;
- int i = 0, j;
- char *a, *e = NULL;
-#if defined(__QNX__) && !defined(__QNXNTO__)
- char cmd_name[64];
-#endif
-
-#if CHECK_EUID
- if (geteuid() == 0 && getuid() != geteuid())
-#endif
- {
- /* Check each argv[] */
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-fp") == 0)
- {
- i++; /* continue with next argument. skip the length check */
- if (i >= argc)
- break;
- } else
- {
- if (strlen(argv[i]) > MAX_ARG_LENGTH) {
- bad = ArgTooLong;
- break;
- }
- }
- a = argv[i];
- while (*a) {
- if (checkPrintable(*a) == 0) {
- bad = UnprintableArg;
- break;
- }
- a++;
- }
- if (bad)
- break;
- }
- if (!bad) {
- /* Check each envp[] */
- for (i = 0; envp[i]; i++) {
-
- /* Check for bad environment variables and values */
-#if REMOVE_ENV_LD
- while (envp[i] && (strncmp(envp[i], "LD", 2) == 0)) {
-#ifdef ENVDEBUG
- ErrorF("CheckUserParameters: removing %s from the "
- "environment\n", strtok(envp[i], "="));
-#endif
- for (j = i; envp[j]; j++) {
- envp[j] = envp[j+1];
- }
- }
-#endif
- if (envp[i] && (strlen(envp[i]) > MAX_ENV_LENGTH)) {
-#if REMOVE_LONG_ENV
-#ifdef ENVDEBUG
- ErrorF("CheckUserParameters: removing %s from the "
- "environment\n", strtok(envp[i], "="));
-#endif
- for (j = i; envp[j]; j++) {
- envp[j] = envp[j+1];
- }
- i--;
-#else
- char *eq;
- int len;
-
- eq = strchr(envp[i], '=');
- if (!eq)
- continue;
- len = eq - envp[i];
- e = malloc(len + 1);
- if (!e) {
- bad = InternalError;
- break;
- }
- strncpy(e, envp[i], len);
- e[len] = 0;
- if (len >= 4 &&
- (strcmp(e + len - 4, "PATH") == 0 ||
- strcmp(e, "TERMCAP") == 0)) {
- if (strlen(envp[i]) > MAX_ENV_PATH_LENGTH) {
- bad = EnvTooLong;
- break;
- } else {
- free(e);
- }
- } else {
- bad = EnvTooLong;
- break;
- }
-#endif
- }
- }
- }
-#if NO_OUTPUT_PIPES
- if (!bad) {
- struct stat buf;
-
- if (fstat(fileno(stdout), &buf) == 0 && S_ISFIFO(buf.st_mode))
- bad = OutputIsPipe;
- if (fstat(fileno(stderr), &buf) == 0 && S_ISFIFO(buf.st_mode))
- bad = OutputIsPipe;
- }
-#endif
- }
- switch (bad) {
- case NotBad:
- return;
- case UnsafeArg:
- ErrorF("Command line argument number %d is unsafe\n", i);
- ErrorF(ARGMSG, BUGADDRESS);
- break;
- case ArgTooLong:
- ErrorF("Command line argument number %d is too long\n", i);
- ErrorF(ARGMSG, BUGADDRESS);
- break;
- case UnprintableArg:
- ErrorF("Command line argument number %d contains unprintable"
- " characters\n", i);
- ErrorF(ARGMSG, BUGADDRESS);
- break;
- case EnvTooLong:
- ErrorF("Environment variable `%s' is too long\n", e);
- ErrorF(ENVMSG, BUGADDRESS);
- break;
- case OutputIsPipe:
- ErrorF("Stdout and/or stderr is a pipe\n");
- break;
- case InternalError:
- ErrorF("Internal Error\n");
- break;
- default:
- ErrorF("Unknown error\n");
- ErrorF(ARGMSG, BUGADDRESS);
- ErrorF(ENVMSG, BUGADDRESS);
- break;
- }
- FatalError("X server aborted because of unsafe environment\n");
-}
-
-/*
- * CheckUserAuthorization: check if the user is allowed to start the
- * X server. This usually means some sort of PAM checking, and it is
- * usually only done for setuid servers (uid != euid).
- */
-
-#ifdef USE_PAM
-#include <security/pam_appl.h>
-#include <security/pam_misc.h>
-#include <pwd.h>
-#endif /* USE_PAM */
-
-void
-CheckUserAuthorization(void)
-{
-#ifdef USE_PAM
- static struct pam_conv conv = {
- misc_conv,
- NULL
- };
-
- pam_handle_t *pamh = NULL;
- struct passwd *pw;
- int retval;
-
- if (getuid() != geteuid()) {
- pw = getpwuid(getuid());
- if (pw == NULL)
- FatalError("getpwuid() failed for uid %d\n", getuid());
-
- retval = pam_start("xserver", pw->pw_name, &conv, &pamh);
- if (retval != PAM_SUCCESS)
- FatalError("pam_start() failed.\n"
- "\tMissing or mangled PAM config file or module?\n");
-
- retval = pam_authenticate(pamh, 0);
- if (retval != PAM_SUCCESS) {
- pam_end(pamh, retval);
- FatalError("PAM authentication failed, cannot start X server.\n"
- "\tPerhaps you do not have console ownership?\n");
- }
-
- retval = pam_acct_mgmt(pamh, 0);
- if (retval != PAM_SUCCESS) {
- pam_end(pamh, retval);
- FatalError("PAM authentication failed, cannot start X server.\n"
- "\tPerhaps you do not have console ownership?\n");
- }
-
- /* this is not a session, so do not do session management */
- pam_end(pamh, PAM_SUCCESS);
- }
-#endif
-}
-
-#ifdef __SCO__
-#include <fcntl.h>
-
-static void
-lockit (int fd, short what)
-{
- struct flock lck;
-
- lck.l_whence = 0;
- lck.l_start = 0;
- lck.l_len = 1;
- lck.l_type = what;
-
- (void)fcntl (fd, F_SETLKW, &lck);
-}
-
-/* SCO OpenServer 5 lacks pread/pwrite. Emulate them. */
-ssize_t
-pread (int fd, void *buf, size_t nbytes, off_t offset)
-{
- off_t saved;
- ssize_t ret;
-
- lockit (fd, F_RDLCK);
- saved = lseek (fd, 0, SEEK_CUR);
- lseek (fd, offset, SEEK_SET);
- ret = read (fd, buf, nbytes);
- lseek (fd, saved, SEEK_SET);
- lockit (fd, F_UNLCK);
-
- return ret;
-}
-
-ssize_t
-pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
-{
- off_t saved;
- ssize_t ret;
-
- lockit (fd, F_WRLCK);
- saved = lseek (fd, 0, SEEK_CUR);
- lseek (fd, offset, SEEK_SET);
- ret = write (fd, buf, nbytes);
- lseek (fd, saved, SEEK_SET);
- lockit (fd, F_UNLCK);
-
- return ret;
-}
-#endif /* __SCO__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 13:10:54 +0000