diff options
Diffstat (limited to 'hw/xgl/glx/xglxorg.c')
| -rw-r--r-- | hw/xgl/glx/xglxorg.c | 674 |
1 files changed, 0 insertions, 674 deletions
diff --git a/hw/xgl/glx/xglxorg.c b/hw/xgl/glx/xglxorg.c deleted file mode 100644 index 1d6fc9a30..000000000 --- a/hw/xgl/glx/xglxorg.c +++ /dev/null @@ -1,674 +0,0 @@ -/* - * Copyright © 2005 Novell, Inc. - * - * 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, and that the name of - * Novell, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior permission. - * Novell, Inc. makes no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN - * NO EVENT SHALL NOVELL, INC. 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. - * - * Authors: David Reveman <davidr@novell.com> - * Matthias Hopf <mhopf@suse.de> - */ - -#include "xglx.h" - -#ifndef NXGLXORG - -#include <X11/Xauth.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <ctype.h> -#include <signal.h> -#include <setjmp.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <sys/stat.h> -#include <libgen.h> - -typedef void (*sighandler_t) (int); - -#define XORG_DIE_TIMEOUT 3 -#define XORG_DEV_RANDOM "/dev/urandom" - -static char xorgAuthBuf[256]; -static char *xorgAuthTempl = "/tmp/.Xgl-auth-XXXXXX"; -static char *xorgAuth = NULL; - -static char *xorgProgs[] = { "/usr/bin/Xorg", "/usr/X11R6/bin/Xorg" }; -static char *xorgProg = NULL; - -static char *xorgDisplay = ":93"; -static char *xorgTerminate = "-terminate"; - -static pid_t xorgPid = 0; -static int receivedUsr1 = 0; -static jmp_buf jumpbuf; - -static Bool waitAndExit = FALSE; - -static char **xorgArgv = 0; -static int nXorgArgv = 0; - -typedef struct _xglxArg *xglxArgPtr; - -typedef int (*xglxProcessArgumentProc) (xglxArgPtr, int, char **, int); - -typedef struct _xglxArg { - xglxProcessArgumentProc processArgument; - const char *name; - const char *usage; -} xglxArgRec; - -static int -xglxAddXorgArguments (char **argv, - int n) -{ - char **newArgv; - int i; - - newArgv = xrealloc (xorgArgv, sizeof (char *) * (nXorgArgv + n)); - if (!newArgv) - return 0; - - for (i = 0; i < n; i++) - newArgv[nXorgArgv + i] = argv[i]; - - xorgArgv = newArgv; - nXorgArgv += n; - - return n; -} - -static int -xglxProcessCommonXorgArgument (xglxArgPtr pArg, - int n, - int argc, - char **argv, - int i) -{ - if (strcmp (argv[i], pArg->name) == 0) - { - if (i + n - 1 < argc) - return xglxAddXorgArguments (&argv[i], n); - } - - return 0; -} - -#define PROCESS_COMMON_XORG_ARGUMENT_IMP(args) \ - static int \ - xglxProcess ## args ## CommonXorgArgument (xglxArgPtr pArg, \ - int argc, \ - char **argv, \ - int i) \ - { \ - return xglxProcessCommonXorgArgument (pArg, args, argc, argv, i); \ - } - -PROCESS_COMMON_XORG_ARGUMENT_IMP (1) -PROCESS_COMMON_XORG_ARGUMENT_IMP (2) - -static int -xglxProcessXorgVTArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - if (argv[i][0] == 'v' && argv[i][1] == 't' && - strspn (&argv[i][2], "0123456789") == strlen (&argv[i][2])) - return xglxAddXorgArguments (&argv[i], 1); - - return 0; -} - -static int -xglxProcessXorgAcArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - static char *ac = "-ac"; - - if (strcmp (argv[i], pArg->name) == 0) - { - if (xglxAddXorgArguments (&ac, 1)) - return 1; - } - - return 0; -} - -static int -xglxProcessXorgVersionArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - static char *version = "-version"; - - if (strcmp (argv[i], pArg->name) == 0) - { - if (xglxAddXorgArguments (&version, 1)) - { - waitAndExit = TRUE; - return 1; - } - } - - return 0; -} - -static int -xglxProcessXorgProgArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - if (strcmp (argv[i], pArg->name) == 0) - { - if (i + 1 < argc) - { - xorgProg = argv[i + 1]; - return 2; - } - } - - return 0; -} - -static int -xglxProcessXorgDisplayArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - if (strcmp (argv[i], pArg->name) == 0) - { - if (i + 1 < argc) - { - xorgDisplay = argv[i + 1]; - return 2; - } - } - - return 0; -} - -static int -xglxProcessXorgWaitExitArgument (xglxArgPtr pArg, - int argc, - char **argv, - int i) -{ - if (xglxProcessCommonXorgArgument (pArg, 1, argc, argv, i)) - { - waitAndExit = TRUE; - return 1; - } - - return 0; -} - -#define ARG(processArgument, name, usage) \ - { processArgument, name, usage } - -#define XORG_ARG(name, args) \ - ARG (xglxProcess ## args ## CommonXorgArgument, name, 0) - -#define XORG_UARG(name, usage, args) \ - ARG (xglxProcess ## args ## CommonXorgArgument, name, usage) - -xglxArgRec xorgUid0Args[] = { - XORG_UARG ("-modulepath", " paths specify the module search path", 2), - XORG_UARG ("-logfile", " file specify a log file name", 2), - ARG (xglxProcessXorgWaitExitArgument, "-configure", - " probe for devices and write an Xorg config") -}; - -xglxArgRec xorgUidArgs[] = { - XORG_UARG ("-config", - " file specify configuration file, relative to the\n" - " Xorg config search path, " - "only root can use absolute", 2) -}; - -xglxArgRec xorgArgs[] = { - ARG (xglxProcessXorgWaitExitArgument, "-probeonly", - " probe for devices, then exit"), - XORG_UARG ("-verbose", " [n] verbose startup messages", 2), - XORG_UARG ("-logverbose", " [n] verbose log messages", 2), - XORG_UARG ("-quiet", " minimal startup messages", 1), - XORG_UARG ("-depth", " n set colour depth. Default: 8", 2), - XORG_UARG ("-gamma", - " f set gamma value (0.1 < f < 10.0) " - "Default: 1.0", 2), - XORG_UARG ("-rgamma", " f set gamma value for red phase", 2), - XORG_UARG ("-ggamma", " f set gamma value for green phase", - 2), - XORG_UARG ("-bgamma", " f set gamma value for blue phase", 2), - XORG_UARG ("-layout", - " name specify the ServerLayout section name", 2), - XORG_UARG ("-screen", - " name specify the Screen section name", 2), - XORG_UARG ("-keyboard", - " name specify the core keyboard InputDevice name", 2), - XORG_UARG ("-pointer", - " name specify the core pointer InputDevice name", 2), - XORG_UARG ("-nosilk", " disable Silken Mouse", 1), - XORG_UARG ("-disableModInDev", - " disable dynamic modification of input device settings", - 1), - XORG_UARG ("-allowMouseOpenFail", - " start server even if the mouse can't be initialized", 1), - XORG_UARG ("-bestRefresh", - " choose modes with the best refresh rate", 1), - XORG_UARG ("-ignoreABI", - " make module ABI mismatches non-fatal", 1), - XORG_UARG ("-isolateDevice", - " bus_id restrict device resets to bus_id (PCI only)", 2), - ARG (xglxProcessXorgVTArgument, "vtXX", - " use the specified VT number"), - XORG_UARG ("-keeptty", - " don't detach controlling tty " - "(for debugging only)", 1), - XORG_UARG ("-novtswitch", " don't immediately switch to new VT", - 1), - XORG_UARG ("-sharevts", " share VTs with another X server", - 1), - ARG (xglxProcessXorgAcArgument, "-xorgAc", - " disable access control restrictions"), - ARG (xglxProcessXorgProgArgument, "-xorgProgram", - " server program"), - ARG (xglxProcessXorgDisplayArgument, "-xorgDisplay", - " server display"), - ARG (xglxProcessXorgVersionArgument, "-xorgVersion", - " show the server version") -}; - -xglxArgRec sharedArgs[] = { - XORG_ARG ("-br", 1) -}; - -void -xglxUseXorgMsg (void) -{ - int i; - - ErrorF ("\nXorg usage:\n"); - - if (getuid () == 0) - { - for (i = 0; i < sizeof (xorgUid0Args) / sizeof (xglxArgRec); i++) - ErrorF ("%s%s\n", xorgUid0Args[i].name, xorgUid0Args[i].usage); - } - else - { - for (i = 0; i < sizeof (xorgUidArgs) / sizeof (xglxArgRec); i++) - ErrorF ("%s%s\n", xorgUidArgs[i].name, xorgUidArgs[i].usage); - } - - for (i = 0; i < sizeof (xorgArgs) / sizeof (xglxArgRec); i++) - ErrorF ("%s%s\n", xorgArgs[i].name, xorgArgs[i].usage); -} - -int -xglxProcessXorgArgument (int argc, - char **argv, - int i) -{ - int skip, j; - - if (nXorgArgv == 0) - { - if (!xglxAddXorgArguments (&xorgProg, 1)) - return 0; - } - - if (getuid () == 0) - { - for (j = 0; j < sizeof (xorgUid0Args) / sizeof (xglxArgRec); j++) - { - skip = (*xorgUid0Args[j].processArgument) (&xorgUid0Args[j], - argc, argv, i); - if (skip) - return skip; - } - } - else - { - for (j = 0; j < sizeof (xorgUidArgs) / sizeof (xglxArgRec); j++) - { - skip = (*xorgUidArgs[j].processArgument) (&xorgUidArgs[j], - argc, argv, i); - if (skip) - return skip; - } - } - - for (j = 0; j < sizeof (xorgArgs) / sizeof (xorgArgs[0]); j++) - { - skip = (*xorgArgs[j].processArgument) (&xorgArgs[j], argc, argv, i); - if (skip) - return skip; - } - - for (j = 0; j < sizeof (sharedArgs) / sizeof (sharedArgs[0]); j++) - { - skip = (*sharedArgs[j].processArgument) (&sharedArgs[j], argc, argv, i); - if (skip) - return 0; - } - - return 0; -} - -static void -sigAlarm (int sig) -{ - ErrorF ("%s won't die, killing it\n", basename (xorgProg)); - - kill (xorgPid, SIGKILL); - if (xorgPid) - while (waitpid (xorgPid, NULL, 0) == -1 && errno == EINTR); -} - -void -xglxAbortXorg (void) -{ - sighandler_t oldSigAlarm; - unsigned int oldAlarm; - int status = 0; - char *name; - - if (!xorgPid) - return; - - name = basename (xorgProg); - - oldAlarm = alarm (0); - oldSigAlarm = signal (SIGALRM, sigAlarm); - - kill (xorgPid, SIGTERM); - - alarm (XORG_DIE_TIMEOUT); - while (waitpid (xorgPid, &status, 0) == -1 && errno == EINTR); - alarm (0); - - signal (SIGALRM, oldSigAlarm); - alarm (oldAlarm); - - if (WIFEXITED (status)) - { - if (WEXITSTATUS (status)) - ErrorF ("%s died, exit status %d\n", name, WEXITSTATUS (status)); - } - else if (WIFSIGNALED (status)) - ErrorF ("%s died, signal %d\n", name, WTERMSIG (status)); - else - ErrorF ("%s died, dubious exit\n", name); - - if (xorgAuth) - unlink (xorgAuth); -} - -static void -sigUsr1Waiting (int sig) -{ - signal (sig, sigUsr1Waiting); - receivedUsr1++; -} - -static void -sigUsr1Jump (int sig) -{ - -#ifdef HAVE_SIGPROCMASK - sigset_t set; -#endif - - signal (sig, sigUsr1Waiting); - -#ifdef HAVE_SIGPROCMASK - sigemptyset (&set); - sigaddset (&set, SIGUSR1); - sigprocmask (SIG_UNBLOCK, &set, NULL); -#endif - - longjmp (jumpbuf, 1); -} - -#define AUTH_DATA_LEN 16 /* bytes of authorization data */ - -static Bool -xglxSetupAuth (char *name, int authFd) -{ - Xauth auth; - int randomFd; - ssize_t bytes, size; - char authHost[256]; - char authData[AUTH_DATA_LEN]; - FILE *file; - - auth.family = FamilyLocal; - - gethostname (authHost, sizeof (authHost)); - - auth.address = authHost; - auth.address_length = strlen (authHost); - - auth.number = strrchr (xorgDisplay, ':'); - if (!auth.number) - { - ErrorF ("Bad Xorg display name: %s\n", xorgDisplay); - return FALSE; - } - - auth.number++; - - auth.number_length = strlen (auth.number); - if (!auth.number_length) - { - ErrorF ("Bad Xorg display name: %s\n", xorgDisplay); - return FALSE; - } - - auth.name = "MIT-MAGIC-COOKIE-1"; - auth.name_length = strlen (auth.name); - - randomFd = open (XORG_DEV_RANDOM, O_RDONLY); - if (randomFd == -1) - { - ErrorF ("Failed to open " XORG_DEV_RANDOM "\n"); - return FALSE; - } - - bytes = 0; - do { - size = read (randomFd, authData + bytes, AUTH_DATA_LEN - bytes); - if (size <= 0) - break; - - bytes += size; - } while (bytes != AUTH_DATA_LEN); - - close (randomFd); - - if (bytes != AUTH_DATA_LEN) - { - ErrorF ("Failed to read %d random bytes from " XORG_DEV_RANDOM "\n", - AUTH_DATA_LEN); - return FALSE; - } - - auth.data = authData; - auth.data_length = AUTH_DATA_LEN; - - file = fdopen (authFd, "w"); - if (!file) - { - ErrorF ("Failed to open authorization file: %s\n", name); - close (authFd); - return FALSE; - } - - XauWriteAuth (file, &auth); - fclose (file); - - return TRUE; -} - -char * -xglxInitXorg (void) -{ - sighandler_t oldSigUsr1; - pid_t pid; - char *name; - char *auth[] = { "-auth", xorgAuthBuf, "-nolisten", "tcp" }; - char *saver[] = { "-dpms", "-v", "-s", "0" }; - char *endArg = NULL; - int authFd; - int mask; - - if (xorgPid) - return xorgDisplay; - - if (!xorgProg) - { - struct stat buf; - int i; - - for (i = 0; i < sizeof (xorgProgs) / sizeof (char *); i++) - { - if (stat (xorgProgs[i], &buf) == 0) - { - xorgProg = xorgProgs[i]; - break; - } - } - - if (!xorgProg) - FatalError ("Can't find Xorg executable\n"); - } - - strcpy (xorgAuthBuf, xorgAuthTempl); - mask = umask (0077); - authFd = mkstemp (xorgAuthBuf); - umask (mask); - if (authFd == -1) - FatalError ("Failed to generate unique authorization file\n"); - - xorgAuth = xorgAuthBuf; - - if (nXorgArgv == 0) - { - if (!xglxAddXorgArguments (&xorgProg, 1)) - return 0; - } - else - { - xorgArgv[0] = xorgProg; - } - - if (!xglxAddXorgArguments (auth, sizeof (auth) / sizeof (char *))) - return 0; - - if (!xglxAddXorgArguments (saver, sizeof (saver) / sizeof (char *))) - return 0; - - if (!xglxAddXorgArguments (&xorgDisplay, 1)) - return 0; - - if (!xglxAddXorgArguments (&xorgTerminate, 1)) - return 0; - - if (!xglxAddXorgArguments (&endArg, 1)) - return 0; - - name = basename (xorgProg); - - if (!xglxSetupAuth (xorgAuth, authFd)) - FatalError ("Failed to set up authorization: %s\n", xorgAuth); - - oldSigUsr1 = signal (SIGUSR1, sigUsr1Waiting); - - pid = fork (); - - switch (pid) { - case -1: - perror ("fork"); - FatalError ("fork"); - break; - case 0: - signal (SIGUSR1, SIG_IGN); - execv (xorgArgv[0], xorgArgv); - perror (xorgArgv[0]); - exit (2); - break; - default: - xorgPid = pid; - break; - } - - for (;;) - { - int status; - - signal (SIGUSR1, sigUsr1Waiting); - if (setjmp (jumpbuf) && !waitAndExit) - break; - - signal (SIGUSR1, sigUsr1Jump); - if (receivedUsr1 && !waitAndExit) - break; - - if (waitpid (xorgPid, &status, 0) != -1) - { - if (WIFEXITED (status)) - { - if (waitAndExit) - { - if (WEXITSTATUS (status)) - FatalError ("%s died, exit status %d\n", name, - WEXITSTATUS (status)); - - exit (WEXITSTATUS (status)); - } - else - { - FatalError ("%s died, exit status %d\n", name, - WEXITSTATUS (status)); - } - } - else if (WIFSIGNALED (status)) - FatalError ("%s died, signal %d\n", name, WTERMSIG (status)); - else - FatalError ("%s died, dubious exit\n", name); - } - } - - signal (SIGUSR1, oldSigUsr1); - - setenv ("XAUTHORITY", xorgAuth, 1); - - return xorgDisplay; -} - -#endif |