diff options
Diffstat (limited to 'x11/gnome-session/files/patch-dbus')
| -rw-r--r-- | x11/gnome-session/files/patch-dbus | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/x11/gnome-session/files/patch-dbus b/x11/gnome-session/files/patch-dbus deleted file mode 100644 index edd18bfec..000000000 --- a/x11/gnome-session/files/patch-dbus +++ /dev/null @@ -1,429 +0,0 @@ ---- gnome-session/main.c.orig Tue Mar 21 12:37:40 2006 -+++ gnome-session/main.c Sun Apr 23 23:05:38 2006 -@@ -43,6 +43,7 @@ - #include "command.h" - #include "splash-widget.h" - #include "util.h" -+#include "gsm-dbus.h" - #include "gsm-sound.h" - #include "gsm-gsd.h" - #include "gsm-keyring.h" -@@ -334,6 +335,7 @@ main (int argc, char *argv[]) - char *display_str; - char **versions; - GConfClient *gconf_client; -+ gboolean dbus_daemon_owner; - - if (getenv ("GSM_VERBOSE_DEBUG")) - gsm_set_verbose (TRUE); -@@ -415,6 +417,7 @@ main (int argc, char *argv[]) - fprintf (stderr, "SESSION_MANAGER=%s\n", getenv ("SESSION_MANAGER")); - gnome_window_icon_set_default_from_file (GNOME_ICONDIR"/gnome-session.png"); - -+ dbus_daemon_owner = gsm_dbus_daemon_start (); - - /* Make sure children see the right value for DISPLAY. This is - useful if --display was specified on the command line. */ -@@ -495,6 +498,9 @@ main (int argc, char *argv[]) - gsm_sound_logout (); - - gsm_keyring_daemon_stop (); -+ -+ if (dbus_daemon_owner) -+ gsm_dbus_daemon_stop (); - - g_object_unref (gconf_client); - gsm_shutdown_gconfd (); ---- gnome-session/gsm-dbus.h.orig Sun Apr 23 23:01:47 2006 -+++ gnome-session/gsm-dbus.h Sun Apr 23 23:00:53 2006 -@@ -0,0 +1,27 @@ -+/* gsm-dbus.h - Handle the dbus-daemon process. -+ * -+ * Copyright (c) 2006 Julio M. Merino Vidal <jmmv@NetBSD.org> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2, or (at your option) -+ * any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ */ -+ -+#ifndef GSM_DBUS_H -+#define GSM_DBUS_H -+ -+gboolean gsm_dbus_daemon_start (void); -+void gsm_dbus_daemon_stop (void); -+ -+#endif /* GSM_DBUS_H */ ---- gnome-session/gsm-dbus.c.orig Sun Apr 23 23:09:40 2006 -+++ gnome-session/gsm-dbus.c Sun Apr 23 23:10:21 2006 -@@ -0,0 +1,360 @@ -+/* gsm-dbus.c - Handle the dbus-daemon process. -+ * -+ * Copyright (c) 2006 Julio M. Merino Vidal <jmmv@NetBSD.org> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2, or (at your option) -+ * any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -+ * 02111-1307, USA. -+ */ -+ -+#if HAVE_CONFIG_H -+#include "config.h" -+#endif -+ -+#include <sys/wait.h> -+ -+#include <errno.h> -+#include <fcntl.h> -+#include <limits.h> -+#include <signal.h> -+#include <stdlib.h> -+#include <unistd.h> -+ -+#include <glib.h> -+#include <glib/gprintf.h> -+ -+#include "gsm-dbus.h" -+ -+static pid_t dbus_daemon_pid = 0; -+ -+static gboolean have_dbus_daemon (void); -+static gboolean have_running_instance (void); -+static int read_line (int, char *, ssize_t); -+static void start_child (int, int); -+static void start_parent (int, int, pid_t); -+ -+/* --------------------------------------------------------------------- -+ * PUBLIC INTERFACE -+ * --------------------------------------------------------------------- */ -+ -+/* -+ * Starts the dbus-daemon if not already running and attaches it to the -+ * current environment by defining DBUS_SESSION_BUS_ADDRESS. Returns -+ * true if we launch a new dbus-daemon so that we know if we have to call -+ * gsm_dbus_daemon_stop later on or not. -+ * -+ * This function can only be called if dbus-daemon is not already running -+ * (i.e., if gnome-session is starting up or if gsm_dbus_daemon_stop was -+ * previously called). -+ */ -+gboolean -+gsm_dbus_daemon_start (void) -+{ -+ int address_pipe[2]; -+ int pid_pipe[2]; -+ pid_t tmp_pid; -+ -+ g_assert (dbus_daemon_pid == 0); -+ -+ if (have_running_instance ()) -+ return FALSE; -+ if (! have_dbus_daemon ()) -+ return FALSE; -+ -+ /* -+ * At this point, dbus-daemon is not running for the current session -+ * and the binary exists. Spawn it. -+ */ -+ -+ if (pipe (address_pipe) == -1) -+ { -+ g_printerr ("Cannot create address pipe for dbus-daemon\n"); -+ return FALSE; -+ } -+ -+ if (pipe (pid_pipe) == -1) -+ { -+ close (address_pipe[0]); -+ close (address_pipe[1]); -+ g_printerr ("Cannot create pid pipe for dbus-daemon\n"); -+ return FALSE; -+ } -+ -+ tmp_pid = fork (); -+ if (tmp_pid == -1) -+ { -+ close (address_pipe[0]); -+ close (address_pipe[1]); -+ close (pid_pipe[0]); -+ close (pid_pipe[1]); -+ g_printerr ("Cannot create child process for dbus-daemon\n"); -+ return FALSE; -+ } -+ else if (tmp_pid == 0) -+ { -+ close (address_pipe[0]); -+ close (pid_pipe[0]); -+ start_child (address_pipe[1], pid_pipe[1]); -+ /* NOTREACHED */ -+ } -+ else -+ { -+ close (address_pipe[1]); -+ close (pid_pipe[1]); -+ start_parent (address_pipe[0], pid_pipe[0], tmp_pid); -+ } -+ -+ g_assert (dbus_daemon_pid != 0); -+ return TRUE; -+} -+ -+/* -+ * Stops the running dbus-daemon. Can only be called if we own the process; -+ * i.e., if gsm_dbus_daemon_start returned true. -+ */ -+void -+gsm_dbus_daemon_stop (void) -+{ -+ g_assert (dbus_daemon_pid != 0); -+ -+ if (kill (dbus_daemon_pid, SIGTERM) == -1) -+ g_printerr ("Failed to kill dbus-daemon (pid %d)\n", -+ dbus_daemon_pid); -+ else -+ { -+ dbus_daemon_pid = 0; -+ g_unsetenv ("DBUS_SESSION_BUS_ADDRESS"); -+ } -+} -+ -+/* --------------------------------------------------------------------- -+ * PRIVATE FUNCTIONS -+ * --------------------------------------------------------------------- */ -+ -+/* -+ * Check whether the dbus-daemon binary is in the path and raise an -+ * appropriate error message if it is not. -+ */ -+static gboolean -+have_dbus_daemon (void) -+{ -+ gboolean result; -+ gchar *file_name; -+ -+ file_name = g_find_program_in_path ("dbus-daemon"); -+ if (file_name == NULL) -+ g_printerr ("Cannot locate dbus-daemon\n"); -+ result = file_name != NULL; -+ g_free (file_name); -+ -+ return result; -+} -+ -+/* -+ * Check whether there is a dbus-daemon session instance currently running -+ * (not spawned by us). If there is, do nothing and return TRUE. -+ */ -+static gboolean -+have_running_instance (void) -+{ -+ const gchar *address_str; -+ -+ g_assert (dbus_daemon_pid == 0); -+ -+ address_str = g_getenv ("DBUS_SESSION_BUS_ADDRESS"); -+ return address_str != NULL; -+} -+ -+/* -+ * Reads a single line from the given file descriptor and stores it in the -+ * buffer pointed to by 'buf'. -+ * -+ * After finding the first new line character, the function returns. This -+ * is to avoid reading dbus' pid multiple times from its file descriptor. -+ */ -+static int -+read_line (int fd, char *buf, ssize_t bufsize) -+{ -+ gboolean discard, done; -+ ssize_t bytes; -+ -+ bytes = 0; -+ discard = FALSE; -+ done = FALSE; -+ do -+ { -+ ssize_t i, result; -+ -+ result = read (fd, &buf[bytes], bufsize - bytes); -+ if (result < 0) -+ return -1; -+ else if (result > 0 && !discard) -+ { -+ if (bytes + result < bufsize) -+ bytes += result; -+ else -+ bytes = bufsize - 1; -+ } -+ else -+ done = TRUE; -+ -+ for (i = 0; !discard && i < bytes; i++) -+ if (buf[i] == '\n') -+ { -+ buf[i] = '\0'; -+ discard = TRUE; -+ } -+ } -+ while (!done); -+ -+ g_assert (bytes >= 0 && bytes < bufsize); -+ buf[bytes] = '\0'; -+ -+ return bytes; -+} -+ -+/* -+ * Code run by the child process after the fork to launch dbus-demon. -+ * -+ * As the child, this execs dbus-daemon, connecting it to the appropriate -+ * file descriptors. -+ */ -+static void -+start_child (int address_fd, int pid_fd) -+{ -+ gchar address_str[16]; -+ gchar pid_str[16]; -+ int fd; -+ long open_max; -+ -+ open_max = sysconf (_SC_OPEN_MAX); -+ for (fd = 0; fd < open_max; fd++) -+ { -+ if (fd != STDIN_FILENO && fd != STDOUT_FILENO && fd != STDERR_FILENO && -+ fd != address_fd && fd != pid_fd) -+ fcntl (fd, F_SETFD, FD_CLOEXEC); -+ } -+ -+ g_snprintf (address_str, sizeof (address_str), "%d", address_fd); -+ g_snprintf (pid_str, sizeof (pid_str), "%d", pid_fd); -+ -+ execlp ("dbus-daemon", -+ "dbus-daemon", -+ "--fork", -+ "--print-address", address_str, -+ "--print-pid", pid_str, -+ "--session", -+ NULL); -+ -+ g_printerr ("Could not launch dbus-daemon\n"); -+ -+ exit (EXIT_FAILURE); -+} -+ -+/* -+ * Code run by the parent process after the fork to launch dbus-demon. -+ * -+ * As the parent, this waits until dbus-daemon forks itself again and -+ * fetches its address and pid to later take its ownership. -+ */ -+static void -+start_parent (int address_fd, int pid_fd, pid_t child) -+{ -+ char address_str[256]; -+ char pid_str[256]; -+ char *tmp_ep; -+ int exitstat; -+ unsigned long tmp_num; -+ ssize_t bytes; -+ -+ g_assert (child > 0); -+ -+ /* -+ * dbus-daemon --fork causes our child process to exit prematurely -+ * because it is not the real daemon. See if it worked correctly -+ * and clean it up to avoid a zombie. -+ * -+ * Life could be much easier if dbus-daemon had a --no-fork flag. -+ * But, as it hasn't it, we cannot assume that it will not fork, -+ * because we have no control over its configuration file. -+ */ -+ if (waitpid (child, &exitstat, 0) == -1) -+ { -+ close (address_fd); -+ close (pid_fd); -+ -+ g_printerr ("Failed to get dbus-daemon status\n"); -+ return; -+ } -+ if (!WIFEXITED (exitstat) || WEXITSTATUS (exitstat) != EXIT_SUCCESS) -+ { -+ close (address_fd); -+ close (pid_fd); -+ -+ g_printerr ("dbus-daemon exited unexpectedly\n"); -+ return; -+ } -+ -+ /* -+ * Fetch dbus-daemon address. -+ */ -+ bytes = read_line (address_fd, address_str, sizeof (address_str)); -+ if (bytes == -1 || bytes == 0) -+ { -+ close (address_fd); -+ close (pid_fd); -+ -+ g_printerr ("Failed to get dbus-daemon's address\n"); -+ return; -+ } -+ -+ /* -+ * Fetch dbus-daemon pid. -+ */ -+ bytes = read_line (pid_fd, pid_str, sizeof (pid_str)); -+ if (bytes == -1 || bytes == 0) -+ { -+ close (address_fd); -+ close (pid_fd); -+ -+ g_printerr ("Failed to get dbus-daemon's pid\n"); -+ return; -+ } -+ -+ close (address_fd); -+ close (pid_fd); -+ -+ /* -+ * Convert the string printed in pid_fd to a pid value. Do the usual -+ * strtoul dance to check for a valid number. -+ */ -+ errno = 0; -+ tmp_num = strtoul(pid_str, &tmp_ep, 10); -+ if (pid_str[0] == '\0' || *tmp_ep != '\0') -+ { -+ g_printerr ("dbus-daemon pid invalid (not a number)\n"); -+ return; -+ } -+ if (errno == ERANGE && tmp_num == ULONG_MAX) -+ { -+ g_printerr ("dbus-daemon pid invalid (out of range)\n"); -+ return; -+ } -+ dbus_daemon_pid = tmp_num; -+ -+ /* -+ * All right! Tell our future children about the new born dbus-daemon. -+ */ -+ g_setenv ("DBUS_SESSION_BUS_ADDRESS", address_str, TRUE); -+} |