From e399356ed17baf7b50da393a3f13682b01bd14a9 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Mon, 2 Feb 2015 15:04:01 +0100 Subject: drop .original files from the current code base --- nx-X11/programs/Xserver/os/utils.c.NX.original | 2440 ------------------------ 1 file changed, 2440 deletions(-) delete mode 100644 nx-X11/programs/Xserver/os/utils.c.NX.original (limited to 'nx-X11/programs/Xserver/os/utils.c.NX.original') 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 -#endif - -#ifdef __CYGWIN__ -#include -#include -#endif - -#if defined(WIN32) && !defined(__CYGWIN__) -#include -#endif -#include -#include -#include "misc.h" -#include -#include -#include "input.h" -#include "dixfont.h" -#include "osdep.h" -#ifdef X_POSIX_C_SOURCE -#define _POSIX_C_SOURCE X_POSIX_C_SOURCE -#include -#undef _POSIX_C_SOURCE -#else -#if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE) -#include -#else -#define _POSIX_SOURCE -#include -#undef _POSIX_SOURCE -#endif -#endif -#ifndef WIN32 -#include -#endif -#if !defined(SYSV) && !defined(WIN32) && !defined(Lynx) && !defined(QNX4) -#include -#endif -#include -#include -#include /* for isspace */ -#include - -#if defined(DGUX) -#include -#include -#endif - -#include /* for malloc() */ - -#if defined(TCPCONN) || defined(STREAMSCONN) -# ifndef WIN32 -# include -# endif -#endif - -#include "opaque.h" - -#ifdef SMART_SCHEDULE -#include "dixstruct.h" -#endif - -#ifdef XKB -#include -#endif -#ifdef XCSECURITY -#define _SECURITY_SERVER -#include -#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 - -#include - -#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 /* 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 -#include -#endif - -#ifdef __UNIXOS2__ -#define link rename -#endif - -#ifndef PATH_MAX -#ifndef Lynx -#include -#else -#include -#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 [:] [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 -#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 -#include -#include -#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 - -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__ */ -- cgit v1.2.3