patches/gnome-session-08-trusted-extensions.diff
author rohinis
Tue, 29 Nov 2011 17:32:55 +0000
branchs11express-2010-11
changeset 22234 c23e64da3e06
parent 16514 8586290d3018
permissions -rw-r--r--
2011-11-29 Rohini S <[email protected]> * patches/Python26-22-audio.diff: Fixes CVE-2010-1634 * specs/SUNWPython26.spec: Fixes CR 7085446

diff -urN -x'*.orig' -x'*.rej' gnome-session-2.25.92/gnome-session/Makefile.am ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/Makefile.am
--- gnome-session-2.25.92/gnome-session/Makefile.am	2009-03-03 16:58:00.000000000 +0000
+++ ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/Makefile.am	2009-03-09 15:44:15.916519000 +0000
@@ -98,6 +99,8 @@
 	gsm-session-save.h			\
 	gsm-xsmp-server.c			\
 	gsm-xsmp-server.h			\
+	trusted.h				\
+	trusted.c				\
 	$(NULL)
 
 libgsmutil_la_LIBADD = 				\
diff -urN -x'*.orig' -x'*.rej' gnome-session-2.25.92/gnome-session/trusted.c ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/trusted.c
--- gnome-session-2.25.92/gnome-session/trusted.c	1970-01-01 01:00:00.000000000 +0100
+++ ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/trusted.c	2009-03-09 15:41:33.527439000 +0000
@@ -0,0 +1,116 @@
+/* trusted.c
+ * Copyright (C) 2008 SUN Microsystems, Inc.
+ *
+ * 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 of the
+ * License, 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
+ * Lesser 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.
+ */
+
+#include <priv.h>
+#include <user_attr.h>
+#include <secdb.h>
+#include <gtk/gtk.h>
+#include <X11/Xlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <glib/gi18n.h>
+#include "trusted.h"
+
+void
+escalate_privs (void)
+{
+	priv_set_t *pset;
+	
+	pset = priv_allocset ();
+	getppriv (PRIV_PERMITTED, pset);
+	setppriv (PRIV_SET, PRIV_INHERITABLE, pset);
+}
+
+void
+drop_privs (void)
+{
+	priv_set_t *pset;
+	userattr_t *uattr = NULL;
+	char *value = NULL;
+
+	pset = priv_allocset ();
+	if ((uattr = getuseruid (getuid())) && 
+	    (value = kva_match (uattr->attr, USERATTR_DFLTPRIV_KW))) {
+		pset = priv_str_to_set (value, ",", NULL);
+	} else {
+		pset = priv_str_to_set ("basic", ",", NULL);
+	}
+
+	setppriv (PRIV_SET, PRIV_INHERITABLE, pset);
+	priv_freeset (pset);
+}
+
+void
+gsm_trusted_session_start (void)
+{
+	char **app_path = NULL;
+	static char *setup_apps[] = {"/usr/lib/gnome-settings-daemon",
+	        "/usr/lib/gnome-session/helpers/gnome-settings-daemon-helper", 
+		"/usr/lib/gnome-session/helpers/gnome-keyring-daemon-wrapper",
+		"/usr/lib/nwam-manager",
+		NULL};
+	static char *trusted_apps[] = {"/usr/bin/tsoljds-setssheight",
+				       "/usr/bin/metacity",
+                                       "/usr/bin/tsoljdsselmgr",
+                                       "/usr/bin/tsoljds-tstripe",
+                                       "/usr/lib/wnck_applet",
+                                       "/usr/bin/gnome-panel",
+                                       NULL};
+
+	static char *untrusted_apps[] = {"/usr/X11/bin/xscreensaver", NULL};
+
+  	for (app_path = setup_apps; *app_path != NULL; app_path++) {
+		g_spawn_command_line_async (*app_path, NULL);
+	}
+	escalate_privs ();
+
+  	for (app_path = trusted_apps; *app_path != NULL; app_path++) {
+		g_spawn_command_line_async (*app_path, NULL);
+	}
+
+	drop_privs ();
+
+  	for (app_path = untrusted_apps; *app_path != NULL; app_path++) {
+		g_spawn_command_line_async (*app_path, NULL);
+	}
+}
+
+gboolean
+trusted_session_init (Display *display) 
+{
+	int major_code, first_event, first_error;
+	GtkWidget *dialog;
+
+	if (XQueryExtension (display, "SUN_TSOL", &major_code, &first_event, 
+			     &first_error)) {
+		g_setenv ("TRUSTED_SESSION", "TRUE", TRUE);
+		drop_privs ();
+		return TRUE;
+	} else {
+		dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR,
+						 /* SUN_BRANDING */
+						 GTK_BUTTONS_OK, _("Unable to login to Trusted Session. Required X server security extension not loaded."));
+		gtk_widget_show (dialog);
+		gtk_dialog_run (GTK_DIALOG (dialog));
+		gtk_widget_destroy (dialog);
+
+		return FALSE;
+	}
+}
+
diff -urN -x'*.orig' -x'*.rej' gnome-session-2.25.92/gnome-session/trusted.h ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/trusted.h
--- gnome-session-2.25.92/gnome-session/trusted.h	1970-01-01 01:00:00.000000000 +0100
+++ ../SUNWgnome-session-2.25.91.p10/gnome-session-2.25.92/gnome-session/trusted.h	2009-03-09 15:41:33.527708000 +0000
@@ -0,0 +1,28 @@
+/* trusted.h
+ * Copyright (C) 2008 SUN Microsystems, Inc.
+ *
+ * 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 of the
+ * License, 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
+ * Lesser 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 __TRUSTED_H__
+#define __TRUSTED_H__
+
+#include <glib.h>
+
+gboolean trusted_session_init ();
+void gsm_trusted_session_start (void);
+
+#endif
--- gnome-session-2.26.0/gnome-session/main.c.ori	2009-03-17 14:52:41.087991974 +0000
+++ gnome-session-2.26.0/gnome-session/main.c	2009-03-17 14:53:49.364619311 +0000
@@ -62,6 +62,7 @@
 static gboolean failsafe = FALSE;
 static gboolean show_version = FALSE;
 static gboolean debug = FALSE;
+static gboolean trusted_session = FALSE;
 
 static void
 on_bus_name_lost (DBusGProxy *bus_proxy,
@@ -506,6 +507,8 @@
                 { "default-session-key", 0, 0, G_OPTION_ARG_STRING, &default_session_key, N_("GConf key used to lookup default session"), NULL },
                 { "debug", 0, 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging code"), NULL },
                 { "failsafe", 'f', 0, G_OPTION_ARG_NONE, &failsafe, N_("Do not load user-specified applications"), NULL },
+        /* SUN_BRANDING */
+                { "trusted-session", '\0', 0, G_OPTION_ARG_NONE, &trusted_session, N_("Used for Trusted Multi-Label Session"), NULL },
                 { "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL },
                 { NULL, 0, 0, 0, NULL, NULL, NULL }
         };
@@ -561,6 +564,12 @@
 	xdisp = gdk_x11_display_get_xdisplay (gdisp);
 	XInternAtom (xdisp, "GNOME_SM_DESKTOP", FALSE);
 
+    if (trusted_session) {
+        if (!trusted_session_init (xdisp)) {
+            exit (1);
+        }
+    }
+
 	gsm_wait_for_unfinished_postrun ();
 
         /* Some third-party programs rely on GNOME_DESKTOP_SESSION_ID to
@@ -597,7 +606,13 @@
         }
 
         gsm_xsmp_server_start (xsmp_server);
-        gsm_manager_start (manager);
+
+        if (trusted_session) {
+            gsm_trusted_session_start ();
+            gsm_manager_set_phase (manager, GSM_MANAGER_PHASE_RUNNING);
+        } else {
+            gsm_manager_start (manager);
+        }
 
         gtk_main ();
 
diff -ruN gnome-session-2.27.91.orig/gnome-session/Makefile.am gnome-session-2.27.91/gnome-session/Makefile.am
--- gnome-session-2.27.91.orig/gnome-session/Makefile.am	2009-08-28 00:03:35.464750989 +0100
+++ gnome-session-2.27.91/gnome-session/Makefile.am	2009-08-28 00:04:24.074458760 +0100
@@ -47,6 +47,7 @@
 	$(top_builddir)/egg/libeggdesktopfile.la \
 	$(SM_LIBS)				\
 	$(ICE_LIBS)				\
+	-lsecdb					\
 	$(GNOME_SESSION_LIBS)			\
 	$(GCONF_LIBS)				\
 	$(XRENDER_LIBS)				\