File libbonobo-2.20.0-quit-with-dbus.patch of Package libbonobo

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File libbonobo-2.20.0-quit-with-dbus.patch of Package libbonobo

diff -upr libbonobo-2.20.0-pre/activation-server/activation-server-main.c libbonobo-2.20.0-post/activation-server/activation-server-main.c
--- libbonobo-2.20.0-pre/activation-server/activation-server-main.c	2007-09-17 06:38:36.000000000 -0500
+++ libbonobo-2.20.0-post/activation-server/activation-server-main.c	2007-10-31 19:55:34.000000000 -0600
@@ -41,6 +41,10 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <netdb.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
@@ -49,6 +53,9 @@
 #ifdef HAVE_SYSLOG_H
 #include <syslog.h>
 #endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
 
 #include <libxml/parser.h>
 
@@ -374,6 +381,169 @@ dump_ior (CORBA_ORB orb, int dev_null_fd
 	CORBA_free (ior);
 }
 
+/* --- Begin D-Bus watcher --- */
+
+/* Our server most likely has a D-Bus bus reference in its env vars, which
+ * is passed on to activated children. Unfortunately, b-a-s tends to stick
+ * around between sessions, providing a stale D-Bus reference to children
+ * in subsequent sessions. To avoid this, we need to make b-a-s quit when
+ * its session's D-Bus does. The following code does this without linking
+ * to D-Bus. */
+
+#define SOCKET_PATH_MAX_LEN 99
+#define READ_BUF_LEN 128
+
+typedef struct
+{
+        GMainLoop *loop;
+        guint      source_id;
+}
+DBusWatcher;
+
+static gboolean add_quit_with_dbus_watch (GMainLoop *loop);
+
+static int
+connect_unix_socket (const char *path, gboolean abstract)
+{
+        int fd;
+        size_t path_len;
+        struct sockaddr_un addr;  
+        gint val;
+
+        fd = socket (PF_UNIX, SOCK_STREAM, 0);
+        if (fd < 0)
+                return -1;
+
+        memset (&addr, 0, sizeof (addr));
+        addr.sun_family = AF_UNIX;
+        path_len = strlen (path);
+
+        if (abstract)
+        {
+#ifdef HAVE_ABSTRACT_SOCKETS
+                addr.sun_path[0] = '\0'; /* this is what says "use abstract" */
+                path_len++; /* Account for the extra nul byte added to the start of sun_path */
+
+                if (path_len > SOCKET_PATH_MAX_LEN)
+                {
+                        close (fd);
+                        return -1;
+                }
+	
+                strncpy (&addr.sun_path[1], path, path_len);
+#else /* HAVE_ABSTRACT_SOCKETS */
+                close (fd);
+                return -1;
+#endif /* ! HAVE_ABSTRACT_SOCKETS */
+        }
+        else
+        {
+                if (path_len > SOCKET_PATH_MAX_LEN)
+                {
+                        close (fd);
+                        return -1;
+                }
+
+                strncpy (addr.sun_path, path, path_len);
+        }
+
+        if (connect (fd, (struct sockaddr*) &addr, G_STRUCT_OFFSET (struct sockaddr_un, sun_path) + path_len) < 0)
+        {
+                close (fd);
+                return -1;
+        }
+
+        val = fcntl (fd, F_GETFL, 0);
+        fcntl (fd, F_SETFL, val | O_NONBLOCK);
+
+        return fd;
+}
+
+static gboolean
+dbus_channel_activity (GIOChannel *channel, GIOCondition cond, DBusWatcher *watcher)
+{
+        gchar buf [READ_BUF_LEN];
+        gint result;
+        gint fd;
+
+        fd = g_io_channel_unix_get_fd (channel);
+        result = read (fd, buf, READ_BUF_LEN);
+
+        if (result == 0 ||
+            (result < 0 && errno != EINTR))
+        {
+                /* Channel closed - see if we can reconnect */
+
+                g_source_remove (watcher->source_id);
+
+                if (!add_quit_with_dbus_watch (watcher->loop))
+                {
+                        /* DBus daemon went away */
+                        g_main_loop_quit (watcher->loop);
+                }
+
+                g_free (watcher);
+        }
+
+        return TRUE;
+}
+
+static gboolean
+add_quit_with_dbus_watch (GMainLoop *loop)
+{
+        DBusWatcher *watcher;
+        GIOChannel *channel;
+        const gchar *env_path;
+        gchar *path;
+        gchar *p0;
+        gboolean abstract = FALSE;
+        gint fd;
+
+        env_path = g_getenv ("DBUS_SESSION_BUS_ADDRESS");
+        if (!env_path)
+                return FALSE;
+
+        if (g_str_has_prefix (env_path, "unix:abstract="))
+        {
+                abstract = TRUE;
+                path = g_strdup (env_path + strlen ("unix:abstract="));
+        }
+        else if (g_str_has_prefix (env_path, "unix:path="))
+        {
+                path = g_strdup (env_path + strlen ("unix:path="));
+        }
+        else
+        {
+                return FALSE;
+        }
+
+        p0 = strstr (path, ",guid");
+        if (p0)
+                *p0 = '\0';
+
+        fd = connect_unix_socket (path, abstract);
+        g_free (path);
+
+        if (fd < 0)
+                return FALSE;
+
+        watcher = g_new0 (DBusWatcher, 1);
+        watcher->loop = loop;
+
+        channel = g_io_channel_unix_new (fd);
+        g_io_channel_set_close_on_unref (channel, TRUE);
+
+        watcher->source_id = g_io_add_watch (channel,
+                                             G_IO_IN | G_IO_ERR | G_IO_HUP,
+                                             (GIOFunc) dbus_channel_activity,
+                                             watcher);
+        g_io_channel_unref (channel);
+
+        return TRUE;
+}
+
+/* --- End D-Bus watcher --- */
+
 int
 main (int argc, char *argv[])
 {
@@ -539,6 +709,7 @@ main (int argc, char *argv[])
 
         server_unlock ();
 
+        add_quit_with_dbus_watch (main_loop);
 	g_main_loop_run (main_loop);
 
         server_lock ();
diff -upr libbonobo-2.20.0-pre/configure.in libbonobo-2.20.0-post/configure.in
--- libbonobo-2.20.0-pre/configure.in	2007-09-17 06:22:23.000000000 -0500
+++ libbonobo-2.20.0-post/configure.in	2007-10-31 19:22:25.000000000 -0600
@@ -97,7 +97,7 @@ dnl Checks for library functions
 AC_CHECK_FUNCS(usleep nanosleep sigaction setsid)
 
 dnl Checks for headers
-AC_CHECK_HEADERS(sys/wait.h syslog.h)
+AC_CHECK_HEADERS(sys/wait.h syslog.h errno.h)
 
 #
 # Start of pkg-config checks
@@ -162,6 +162,56 @@ if test x$enable_threads != xno; then
   AC_DEFINE(HAVE_GTHREADS,,[whether we use gthreads])
 fi
 
+# Check for abstract sockets
+
+AC_LANG_PUSH(C)
+AC_CACHE_CHECK([abstract socket namespace],
+		ac_cv_have_abstract_sockets,
+		[AC_RUN_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <sys/types.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <errno.h>
+]],
+[[
+  int listen_fd;
+  struct sockaddr_un addr;
+  
+  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
+  
+  if (listen_fd < 0)
+    {
+      fprintf (stderr, "socket() failed: %s\n", strerror (errno));
+      exit (1);
+    }
+
+  memset (&addr, '\0', sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strcpy (addr.sun_path, "X/tmp/fake-socket-path-used-in-configure-test");
+  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
+  
+  if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
+    {
+       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n", 
+                strerror (errno));
+       exit (1);
+    }
+  else 
+    exit (0);
+]])],
+              [ac_cv_have_abstract_sockets=yes],
+              [ac_cv_have_abstract_sockets=no]
+)])
+AC_LANG_POP(C)
+
+if test x$ac_cv_have_abstract_sockets = xyes ; then
+   AC_DEFINE(HAVE_ABSTRACT_SOCKETS,1,[Have abstract socket namespace])
+fi
+
 # Checks for Apple Darwin
 
 AC_CHECK_FUNC(_NSGetEnviron, have_ns_getenviron=yes)

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