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-rw-r--r--hw/xquartz/bundle/server-main.c904
1 files changed, 904 insertions, 0 deletions
diff --git a/hw/xquartz/bundle/server-main.c b/hw/xquartz/bundle/server-main.c
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index 000000000..26fcbb0ab
--- /dev/null
+++ b/hw/xquartz/bundle/server-main.c
@@ -0,0 +1,904 @@
+/* bundle-main.c -- X server launcher
+
+ Copyright (c) 2002-2007 Apple Inc. All rights reserved.
+
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation files
+ (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge,
+ publish, distribute, sublicense, and/or sell copies of the Software,
+ and to permit persons to whom the Software is furnished to do so,
+ subject to the following conditions:
+
+ 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 ABOVE LISTED COPYRIGHT
+ HOLDER(S) 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(s) of the above
+ copyright holders shall not be used in advertising or otherwise to
+ promote the sale, use or other dealings in this Software without
+ prior written authorization.
+
+ Parts of this file are derived from xdm, which has this copyright:
+
+ Copyright 1988, 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. */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/utsname.h>
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <time.h>
+#include <sys/wait.h>
+#include <setjmp.h>
+#include <sys/ioctl.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xauth.h>
+#include <xcb/xcb.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <SystemConfiguration/SystemConfiguration.h>
+
+#define X_SERVER "/usr/X11/bin/Xquartz"
+#define XTERM_PATH "/usr/X11/bin/xterm"
+#define WM_PATH "/usr/bin/quartz-wm"
+#define DEFAULT_XINITRC "/usr/X11/lib/X11/xinit/xinitrc"
+#define DEFAULT_PATH "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/X11/bin"
+
+/* what xinit does */
+#ifndef SHELL
+# define SHELL "sh"
+#endif
+
+#undef FALSE
+#define FALSE 0
+#undef TRUE
+#define TRUE 1
+
+#define MAX_DISPLAYS 64
+
+static int server_pid = -1, client_pid = -1;
+static int xinit_kills_server = FALSE;
+static jmp_buf exit_continuation;
+static const char *server_name = NULL;
+static Display *server_dpy;
+
+static char *auth_file;
+
+typedef struct addr_list_struct addr_list;
+
+struct addr_list_struct {
+ addr_list *next;
+ Xauth auth;
+};
+
+static addr_list *addresses;
+
+
+/* Utility functions. */
+
+/* Return the current host name. Matches what Xlib does. */
+static char *
+host_name (void)
+{
+#ifdef NEED_UTSNAME
+ static struct utsname name;
+
+ uname(&name);
+
+ return name.nodename;
+#else
+ static char buf[100];
+
+ gethostname(buf, sizeof(buf));
+
+ return buf;
+#endif
+}
+
+static int
+read_boolean_pref (CFStringRef name, int default_)
+{
+ int value;
+ Boolean ok;
+
+ value = CFPreferencesGetAppBooleanValue (name,
+ CFSTR ("com.apple.x11"), &ok);
+ return ok ? value : default_;
+}
+
+static inline int
+binary_equal (const void *a, const void *b, int length)
+{
+ return memcmp (a, b, length) == 0;
+}
+
+static inline void *
+binary_dup (const void *a, int length)
+{
+ void *b = malloc (length);
+ if (b != NULL)
+ memcpy (b, a, length);
+ return b;
+}
+
+static inline void
+binary_free (void *data, int length)
+{
+ if (data != NULL)
+ free (data);
+}
+
+
+/* Functions for managing the authentication entries. */
+
+/* Returns true if something matching AUTH is in our list of auth items */
+static int
+check_auth_item (Xauth *auth)
+{
+ addr_list *a;
+
+ for (a = addresses; a != NULL; a = a->next)
+ {
+ if (a->auth.family == auth->family
+ && a->auth.address_length == auth->address_length
+ && binary_equal (a->auth.address, auth->address, auth->address_length)
+ && a->auth.number_length == auth->number_length
+ && binary_equal (a->auth.number, auth->number, auth->number_length)
+ && a->auth.name_length == auth->name_length
+ && binary_equal (a->auth.name, auth->name, auth->name_length))
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+/* Add one item to our list of auth items. */
+static void
+add_auth_item (Xauth *auth)
+{
+ addr_list *a = malloc (sizeof (addr_list));
+
+ a->auth.family = auth->family;
+ a->auth.address_length = auth->address_length;
+ a->auth.address = binary_dup (auth->address, auth->address_length);
+ a->auth.number_length = auth->number_length;
+ a->auth.number = binary_dup (auth->number, auth->number_length);
+ a->auth.name_length = auth->name_length;
+ a->auth.name = binary_dup (auth->name, auth->name_length);
+ a->auth.data_length = auth->data_length;
+ a->auth.data = binary_dup (auth->data, auth->data_length);
+
+ a->next = addresses;
+ addresses = a;
+}
+
+/* Free all allocated auth items. */
+static void
+free_auth_items (void)
+{
+ addr_list *a;
+
+ while ((a = addresses) != NULL)
+ {
+ addresses = a->next;
+
+ binary_free (a->auth.address, a->auth.address_length);
+ binary_free (a->auth.number, a->auth.number_length);
+ binary_free (a->auth.name, a->auth.name_length);
+ binary_free (a->auth.data, a->auth.data_length);
+ free (a);
+ }
+}
+
+/* Add the unix domain auth item. */
+static void
+define_local (Xauth *auth)
+{
+ char *host = host_name ();
+
+#ifdef DEBUG
+ fprintf (stderr, "x11: hostname is %s\n", host);
+#endif
+
+ auth->family = FamilyLocal;
+ auth->address_length = strlen (host);
+ auth->address = host;
+
+ add_auth_item (auth);
+}
+
+/* Add the tcp auth item. */
+static void
+define_named (Xauth *auth, const char *name)
+{
+ struct ifaddrs *addrs, *ptr;
+
+ if (getifaddrs (&addrs) != 0)
+ return;
+
+ for (ptr = addrs; ptr != NULL; ptr = ptr->ifa_next)
+ {
+ if (ptr->ifa_addr->sa_family != AF_INET)
+ continue;
+
+ auth->family = FamilyInternet;
+ auth->address_length = sizeof (struct in_addr);
+ auth->address = (char *) &(((struct sockaddr_in *) ptr->ifa_addr)->sin_addr);
+
+#ifdef DEBUG
+ fprintf (stderr, "x11: ipaddr is %d.%d.%d.%d\n",
+ (unsigned char) auth->address[0],
+ (unsigned char) auth->address[1],
+ (unsigned char) auth->address[2],
+ (unsigned char) auth->address[3]);
+#endif
+
+ add_auth_item (auth);
+ }
+
+ freeifaddrs (addrs);
+}
+
+/* Parse the display number from NAME and add it to AUTH. */
+static void
+set_auth_number (Xauth *auth, const char *name)
+{
+ char *colon;
+ char *dot, *number;
+
+ colon = strrchr(name, ':');
+ if (colon != NULL)
+ {
+ colon++;
+ dot = strchr(colon, '.');
+
+ if (dot != NULL)
+ auth->number_length = dot - colon;
+ else
+ auth->number_length = strlen (colon);
+
+ number = malloc (auth->number_length + 1);
+ if (number != NULL)
+ {
+ strncpy (number, colon, auth->number_length);
+ number[auth->number_length] = '\0';
+ }
+ else
+ {
+ auth->number_length = 0;
+ }
+
+ auth->number = number;
+ }
+}
+
+/* Put 128 bits of random data into DATA. If possible, it will be "high
+ quality" */
+static int
+generate_mit_magic_cookie (char data[16])
+{
+ int fd, ret, i;
+ long *ldata = (long *) data;
+
+ fd = open ("/dev/random", O_RDONLY);
+ if (fd > 0) {
+ ret = read (fd, data, 16);
+ close (fd);
+ if (ret == 16) return TRUE;
+ }
+
+ /* fall back to the usual crappy rng */
+
+ srand48 (getpid () ^ time (NULL));
+
+ for (i = 0; i < 4; i++)
+ ldata[i] = lrand48 ();
+
+ return TRUE;
+}
+
+/* Create the keys we'll be using for the display named NAME. */
+static int
+make_auth_keys (const char *name)
+{
+ Xauth auth;
+ char key[16];
+
+ if (auth_file == NULL)
+ return FALSE;
+
+ auth.name = "MIT-MAGIC-COOKIE-1";
+ auth.name_length = strlen (auth.name);
+
+ if (!generate_mit_magic_cookie (key))
+ {
+ auth_file = NULL;
+ return FALSE;
+ }
+
+ auth.data = key;
+ auth.data_length = 16;
+
+ set_auth_number (&auth, name);
+
+ define_named (&auth, host_name ());
+ define_local (&auth);
+
+ free (auth.number);
+
+ return TRUE;
+}
+
+/* If ADD-ENTRIES is true, merge our auth entries into the existing
+ Xauthority file. If ADD-ENTRIES is false, remove our entries. */
+static int
+write_auth_file (int add_entries)
+{
+ char *home, newname[1024];
+ int fd, ret;
+ FILE *new_fh, *old_fh;
+ addr_list *addr;
+ Xauth *auth;
+
+ if (auth_file == NULL)
+ return FALSE;
+
+ home = getenv ("HOME");
+ if (home == NULL)
+ {
+ auth_file = NULL;
+ return FALSE;
+ }
+
+ snprintf (newname, sizeof (newname), "%s/.XauthorityXXXXXX", home);
+ mktemp (newname);
+
+ if (XauLockAuth (auth_file, 1, 2, 10) != LOCK_SUCCESS)
+ {
+ /* FIXME: do something here? */
+
+ auth_file = NULL;
+ return FALSE;
+ }
+
+ fd = open (newname, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+ if (fd >= 0)
+ {
+ new_fh = fdopen (fd, "w");
+ if (new_fh != NULL)
+ {
+ if (add_entries)
+ {
+ for (addr = addresses; addr != NULL; addr = addr->next)
+ {
+ XauWriteAuth (new_fh, &addr->auth);
+ }
+ }
+
+ old_fh = fopen (auth_file, "r");
+ if (old_fh != NULL)
+ {
+ while ((auth = XauReadAuth (old_fh)) != NULL)
+ {
+ if (!check_auth_item (auth))
+ XauWriteAuth (new_fh, auth);
+ XauDisposeAuth (auth);
+ }
+ fclose (old_fh);
+ }
+
+ fclose (new_fh);
+ unlink (auth_file);
+
+ ret = rename (newname, auth_file);
+
+ if (ret != 0)
+ auth_file = NULL;
+
+ XauUnlockAuth (auth_file);
+ return ret == 0;
+ }
+
+ close (fd);
+ }
+
+ XauUnlockAuth (auth_file);
+ auth_file = NULL;
+ return FALSE;
+}
+
+
+/* Subprocess management functions. */
+
+static int
+start_server (char **xargv)
+{
+ int child;
+
+ child = fork ();
+
+ switch (child)
+ {
+ case -1: /* error */
+ perror ("fork");
+ return FALSE;
+
+ case 0: /* child */
+ execv (X_SERVER, xargv);
+ perror ("Couldn't exec " X_SERVER);
+ _exit (1);
+
+ default: /* parent */
+ server_pid = child;
+ return TRUE;
+ }
+}
+
+static int
+wait_for_server (void)
+{
+ int count = 100;
+
+ while (count-- > 0)
+ {
+ int status;
+
+ server_dpy = XOpenDisplay (server_name);
+ if (server_dpy != NULL)
+ return TRUE;
+
+ if (waitpid (server_pid, &status, WNOHANG) == server_pid)
+ return FALSE;
+
+ sleep (1);
+ }
+
+ return FALSE;
+}
+
+static int
+start_client (void)
+{
+ int child;
+
+ child = fork();
+
+ switch (child) {
+ char *temp, buf[1024];
+
+ case -1: /* error */
+ perror("fork");
+ return FALSE;
+
+ case 0: /* child */
+ /* Setup environment */
+ temp = getenv("DISPLAY");
+// if (temp == NULL && temp[0] != 0)
+ setenv("DISPLAY", server_name, TRUE);
+
+ temp = getenv("PATH");
+ if (temp == NULL || temp[0] == 0)
+ setenv ("PATH", DEFAULT_PATH, TRUE);
+ else if (strnstr(temp, "/usr/X11/bin", sizeof(temp)) == NULL) {
+ snprintf(buf, sizeof(buf), "%s:/usr/X11/bin", temp);
+ setenv("PATH", buf, TRUE);
+ }
+
+ /* First try value of $XINITRC, if set. */
+ temp = getenv("XINITRC");
+ if (temp != NULL && temp[0] != 0 && access(temp, R_OK) == 0)
+ execlp (SHELL, SHELL, temp, NULL);
+
+ /* Then look for .xinitrc in user's home directory. */
+ temp = getenv("HOME");
+ if (temp != NULL && temp[0] != 0) {
+ chdir(temp);
+ snprintf (buf, sizeof (buf), "%s/.xinitrc", temp);
+ if (access(buf, R_OK) == 0)
+ execlp(SHELL, SHELL, buf, NULL);
+ }
+
+ /* Then try the default xinitrc in the lib directory. */
+
+ if (access(DEFAULT_XINITRC, R_OK) == 0)
+ execlp(SHELL, SHELL, DEFAULT_XINITRC, NULL);
+
+ /* Then fallback to hardcoding an xterm and the window manager. */
+
+ // system(XTERM_PATH " &");
+ execl(WM_PATH, WM_PATH, NULL);
+
+ perror("exec");
+ _exit(1);
+
+ default: /* parent */
+ client_pid = child;
+ return TRUE;
+ }
+}
+
+static void
+sigchld_handler (int sig)
+{
+ int pid, status;
+
+ again:
+ pid = waitpid (WAIT_ANY, &status, WNOHANG);
+
+ if (pid > 0)
+ {
+ if (pid == server_pid)
+ {
+ server_pid = -1;
+
+ if (client_pid >= 0)
+ kill (client_pid, SIGTERM);
+ }
+ else if (pid == client_pid)
+ {
+ client_pid = -1;
+
+ if (server_pid >= 0 && xinit_kills_server)
+ kill (server_pid, SIGTERM);
+ }
+ goto again;
+ }
+
+ if (server_pid == -1 && client_pid == -1)
+ longjmp (exit_continuation, 1);
+
+ signal (SIGCHLD, sigchld_handler);
+}
+
+
+/* Server utilities. */
+
+static Boolean
+display_exists_p (int number)
+{
+ char buf[64];
+ xcb_connection_t *conn;
+ char *fullname = NULL;
+ int idisplay, iscreen;
+ char *conn_auth_name, *conn_auth_data;
+ int conn_auth_namelen, conn_auth_datalen;
+
+ // extern void *_X11TransConnectDisplay ();
+ // extern void _XDisconnectDisplay ();
+
+ /* Since connecting to the display waits for a few seconds if the
+ display doesn't exist, check for trivial non-existence - if the
+ socket in /tmp exists or not.. (note: if the socket exists, the
+ server may still not, so we need to try to connect in that case..) */
+
+ sprintf (buf, "/tmp/.X11-unix/X%d", number);
+ if (access (buf, F_OK) != 0)
+ return FALSE;
+
+ sprintf (buf, ":%d", number);
+ conn = xcb_connect(buf, NULL);
+ if (xcb_connection_has_error(conn)) return FALSE;
+
+ xcb_disconnect(conn);
+ return TRUE;
+}
+
+
+/* Monitoring when the system's ip addresses change. */
+
+static Boolean pending_timer;
+
+static void
+timer_callback (CFRunLoopTimerRef timer, void *info)
+{
+ pending_timer = FALSE;
+
+ /* Update authentication names. Need to write .Xauthority file first
+ without the existing entries, then again with the new entries.. */
+
+ write_auth_file (FALSE);
+
+ free_auth_items ();
+ make_auth_keys (server_name);
+
+ write_auth_file (TRUE);
+}
+
+/* This function is called when the system's ip addresses may have changed. */
+static void
+ipaddr_callback (SCDynamicStoreRef store, CFArrayRef changed_keys, void *info)
+{
+#if DEBUG
+ if (changed_keys != NULL) {
+ fprintf (stderr, "x11: changed sc keys: ");
+ CFShow (changed_keys);
+ }
+#endif
+
+ if (auth_file != NULL && !pending_timer)
+ {
+ CFRunLoopTimerRef timer;
+
+ timer = CFRunLoopTimerCreate (NULL, CFAbsoluteTimeGetCurrent () + 1.0,
+ 0.0, 0, 0, timer_callback, NULL);
+ CFRunLoopAddTimer (CFRunLoopGetCurrent (), timer,
+ kCFRunLoopDefaultMode);
+ CFRelease (timer);
+
+ pending_timer = TRUE;
+ }
+}
+
+/* This code adapted from "Living in a Dynamic TCP/IP Environment" technote. */
+static Boolean
+install_ipaddr_source (void)
+{
+ CFRunLoopSourceRef source = NULL;
+
+ SCDynamicStoreContext context = {0};
+ SCDynamicStoreRef ref;
+
+ ref = SCDynamicStoreCreate (NULL,
+ CFSTR ("AddIPAddressListChangeCallbackSCF"),
+ ipaddr_callback, &context);
+
+ if (ref != NULL)
+ {
+ const void *keys[4], *patterns[2];
+ int i;
+
+ keys[0] = SCDynamicStoreKeyCreateNetworkGlobalEntity (NULL, kSCDynamicStoreDomainState, kSCEntNetIPv4);
+ keys[1] = SCDynamicStoreKeyCreateNetworkGlobalEntity (NULL, kSCDynamicStoreDomainState, kSCEntNetIPv6);
+ keys[2] = SCDynamicStoreKeyCreateComputerName (NULL);
+ keys[3] = SCDynamicStoreKeyCreateHostNames (NULL);
+
+ patterns[0] = SCDynamicStoreKeyCreateNetworkInterfaceEntity (NULL, kSCDynamicStoreDomainState, kSCCompAnyRegex, kSCEntNetIPv4);
+ patterns[1] = SCDynamicStoreKeyCreateNetworkInterfaceEntity (NULL, kSCDynamicStoreDomainState, kSCCompAnyRegex, kSCEntNetIPv6);
+
+ if (keys[0] != NULL && keys[1] != NULL && keys[2] != NULL
+ && keys[3] != NULL && patterns[0] != NULL && patterns[1] != NULL)
+ {
+ CFArrayRef key_array, pattern_array;
+
+ key_array = CFArrayCreate (NULL, keys, 4, &kCFTypeArrayCallBacks);
+ pattern_array = CFArrayCreate (NULL, patterns, 2, &kCFTypeArrayCallBacks);
+
+ if (key_array != NULL || pattern_array != NULL)
+ {
+ SCDynamicStoreSetNotificationKeys (ref, key_array, pattern_array);
+ source = SCDynamicStoreCreateRunLoopSource (NULL, ref, 0);
+ }
+
+ if (key_array != NULL)
+ CFRelease (key_array);
+ if (pattern_array != NULL)
+ CFRelease (pattern_array);
+ }
+
+
+ for (i = 0; i < 4; i++)
+ if (keys[i] != NULL)
+ CFRelease (keys[i]);
+ for (i = 0; i < 2; i++)
+ if (patterns[i] != NULL)
+ CFRelease (patterns[i]);
+
+ CFRelease (ref);
+ }
+
+ if (source != NULL)
+ {
+ CFRunLoopAddSource (CFRunLoopGetCurrent (),
+ source, kCFRunLoopDefaultMode);
+ CFRelease (source);
+ }
+
+ return source != NULL;
+}
+
+
+/* Entrypoint. */
+
+void
+termination_signal_handler (int unused_sig)
+{
+ signal (SIGTERM, SIG_DFL);
+ signal (SIGHUP, SIG_DFL);
+ signal (SIGINT, SIG_DFL);
+ signal (SIGQUIT, SIG_DFL);
+
+ longjmp (exit_continuation, 1);
+}
+
+int
+server_main (int argc, char **argv)
+{
+ char **xargv;
+ int i, j;
+ int fd;
+
+ xargv = alloca (sizeof (char *) * (argc + 32));
+
+ if (!read_boolean_pref (CFSTR ("no_auth"), FALSE))
+ auth_file = XauFileName ();
+
+ /* The standard X11 behaviour is for the server to quit when the first
+ client exits. But it can be useful for debugging (and to mimic our
+ behaviour in the beta releases) to not do that. */
+
+ xinit_kills_server = read_boolean_pref (CFSTR ("xinit_kills_server"), TRUE);
+
+ for (i = 1; i < argc; i++)
+ {
+ if (argv[i][0] == ':')
+ server_name = argv[i];
+ }
+
+ if (server_name == NULL)
+ {
+ static char name[8];
+
+ /* No display number specified, so search for the first unused.
+
+ There's a big old race condition here if two servers start at
+ the same time, but that's fairly unlikely. We could create
+ lockfiles or something, but that's seems more likely to cause
+ problems than the race condition itself.. */
+
+ for (i = 0; i < MAX_DISPLAYS; i++)
+ {
+ if (!display_exists_p (i))
+ break;
+ }
+
+ if (i == MAX_DISPLAYS)
+ {
+ fprintf (stderr, "%s: couldn't allocate a display number", argv[0]);
+ exit (1);
+ }
+
+ sprintf (name, ":%d", i);
+ server_name = name;
+ }
+
+ if (auth_file != NULL)
+ {
+ /* Create new Xauth keys and add them to the .Xauthority file */
+
+ make_auth_keys (server_name);
+ write_auth_file (TRUE);
+ }
+
+ /* Construct our new argv */
+
+ i = j = 0;
+
+ xargv[i++] = argv[j++];
+
+ if (auth_file != NULL)
+ {
+ xargv[i++] = "-auth";
+ xargv[i++] = auth_file;
+ }
+
+ /* By default, don't listen on tcp sockets if Xauth is disabled. */
+
+ if (read_boolean_pref (CFSTR ("nolisten_tcp"), auth_file == NULL))
+ {
+ xargv[i++] = "-nolisten";
+ xargv[i++] = "tcp";
+ }
+
+ while (j < argc)
+ {
+ if (argv[j++][0] != ':')
+ xargv[i++] = argv[j-1];
+ }
+
+ xargv[i++] = (char *) server_name;
+ xargv[i++] = NULL;
+
+ /* Detach from any controlling terminal and connect stdin to /dev/null */
+
+#ifdef TIOCNOTTY
+ fd = open ("/dev/tty", O_RDONLY);
+ if (fd != -1)
+ {
+ ioctl (fd, TIOCNOTTY, 0);
+ close (fd);
+ }
+#endif
+
+ fd = open ("/dev/null", O_RDWR, 0);
+ if (fd >= 0)
+ {
+ dup2 (fd, 0);
+ if (fd > 0)
+ close (fd);
+ }
+
+ if (!start_server (xargv))
+ return 1;
+
+ if (!wait_for_server ())
+ {
+ kill (server_pid, SIGTERM);
+ return 1;
+ }
+
+ if (!start_client ())
+ {
+ kill (server_pid, SIGTERM);
+ return 1;
+ }
+
+ signal (SIGCHLD, sigchld_handler);
+
+ signal (SIGTERM, termination_signal_handler);
+ signal (SIGHUP, termination_signal_handler);
+ signal (SIGINT, termination_signal_handler);
+ signal (SIGQUIT, termination_signal_handler);
+
+ if (setjmp (exit_continuation) == 0)
+ {
+ if (install_ipaddr_source ())
+ CFRunLoopRun ();
+ else
+ while (1) pause ();
+ }
+
+ signal (SIGCHLD, SIG_IGN);
+
+ if (client_pid >= 0) kill (client_pid, SIGTERM);
+ if (server_pid >= 0) kill (server_pid, SIGTERM);
+
+ if (auth_file != NULL)
+ {
+ /* Remove our Xauth keys */
+
+ write_auth_file (FALSE);
+ }
+
+ free_auth_items ();
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 17:39:00 +0000