[patch] patch for g-v-m-2.15.0_p1 ebuild, fixes bug 154675

gnome-volume-manager-2.15.0_p1-gvm_local_user.patch (text/plain), 6.26 KB, created by AJ Christensen on 2006-12-20 01:36:52 UTC

# patch to g-v-m 2.15.0 to fix the startx session bug which is caused by
# gvm_local_user, where ut_line is returned as ttyN rather than :0.
===================================================================
RCS file: src/manager.c,v
retrieving revision 1.152
retrieving revision 1.153
diff -u -r1.152 -r1.153
--- src/manager.c	2006/08/07 13:47:31	1.152
+++ src/manager.c	2006/08/11 18:01:08	1.153
@@ -1717,6 +1717,58 @@
 }
 
 
+static gboolean
+gvm_mount_options (GPtrArray *options, guint32 opts, const char *type, const char *where)
+{
+	char *option, *key, *tmp, *p;
+	GSList *list, *l, *n;
+	GConfClient *gconf;
+	const char *dir;
+	
+	if (!strncmp (where, "/org/freedesktop/Hal/", 21)) {
+		/* flatten the UDI */
+		dir = p = tmp = g_strdup (where);
+		while (*p != '\0') {
+			if (*p == '/')
+				*p = '_';
+			p++;
+		}
+	} else {
+		dir = where;
+		tmp = NULL;
+	}
+	
+	key = g_strdup_printf ("/system/storage/%s/%s/mount_options", type, dir);
+	g_free (tmp);
+	
+	gconf = gconf_client_get_default ();
+	list = gconf_client_get_list (gconf, key, GCONF_VALUE_STRING, NULL);
+	g_object_unref (gconf);
+	g_free (key);
+	
+	if (list == NULL) {
+		fprintf (stderr, "no mount options found for %s::%s\n", type, where);
+		return FALSE;
+	}
+	
+	for (l = list; l != NULL; l = n) {
+		option = l->data;
+		n = l->next;
+		
+		g_ptr_array_add (options, option);
+		
+		g_slist_free_1 (l);
+	}
+	
+	if (opts & MOUNT_UID) {
+		option = g_strdup_printf ("uid=%u", getuid ());
+		g_ptr_array_add (options, option);
+	}
+	
+	return TRUE;
+}
+
+
 /*
  * gvm_device_mount - mount the given device.
  *
@@ -1761,10 +1813,13 @@
 		
 		return retval;
 	} else {
-		char *mount_point, *fstype, fmask_opt[12], *charset_opt = NULL;
+		char *mount_point, *fstype, *drive, **moptions, fmask_opt[12], *charset_opt = NULL;
 		DBusMessage *dmesg, *reply;
+		gboolean freev = FALSE;
 		GPtrArray *options;
+		guint32 opts = 0;
 		DBusError error;
+		size_t i, j;
 		
 		if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi,
 							    "org.freedesktop.Hal.Device.Volume",
@@ -1773,26 +1828,48 @@
 			return FALSE;
 		}
 		
+		if ((moptions = libhal_device_get_property_strlist (hal_ctx, udi, "volume.mount.valid_options", NULL))) {
+			for (i = 0; moptions[i]; i++) {
+				for (j = 0; j < G_N_ELEMENTS (mount_options); j++) {
+					if (!strcmp (moptions[i], mount_options[j].name))
+						opts |= mount_options[j].flag;
+				}
+			}
+			
+			libhal_free_string_array (moptions);
+		}
+		
 		options = g_ptr_array_new ();
+		
+		/* check volume-specific mount options */
+		if (gvm_mount_options (options, opts, "volumes", udi)) {
+			freev = TRUE;
+			goto mount;
+		}
+		
+		/* check drive specific mount options */
+		if ((drive = libhal_device_get_property_string (hal_ctx, udi, "block.storage_device", NULL))) {
+			if (gvm_mount_options (options, opts, "drives", drive)) {
+				libhal_free_string (drive);
+				freev = TRUE;
+				goto mount;
+			}
+			libhal_free_string (drive);
+		}
+		
 		if ((fstype = libhal_device_get_property_string (hal_ctx, udi, "volume.fstype", NULL))) {
-			char **moptions = NULL;
 			const char *iocharset;
-			guint32 opts = 0;
 			char uid[32];
-			size_t i, j;
 			mode_t mask;
 			
-			if ((moptions = libhal_device_get_property_strlist (hal_ctx, udi, "volume.mount.valid_options", NULL))) {
-				for (i = 0; moptions[i]; i++) {
-					for (j = 0; j < G_N_ELEMENTS (mount_options); j++) {
-						if (!strcmp (moptions[i], mount_options[j].name))
-							opts |= mount_options[j].flag;
-					}
-				}
-				
-				libhal_free_string_array (moptions);
+			/* fall back to using fstype-specific mount options */
+			if (gvm_mount_options (options, opts, "default_options", fstype)) {
+				libhal_free_string (fstype);
+				freev = TRUE;
+				goto mount;
 			}
 			
+			/* take our best guess at what the user would want */
 			if (!strcmp (fstype, "vfat")) {
 				if (opts & MOUNT_NOEXEC)
 					g_ptr_array_add (options, "noexec");
@@ -1843,9 +1920,11 @@
 				g_ptr_array_add (options, uid);
 			}
 			
-			g_free (fstype);
+			libhal_free_string (fstype);
 		}
 		
+	mount:
+		
 		mount_point = "";
 		fstype = "";
 		
@@ -1857,6 +1936,11 @@
 			return FALSE;
 		}
 		
+		if (freev) {
+			for (i = 0; i < options->len; i++)
+				g_free (options->pdata[i]);
+		}
+		
 		g_ptr_array_free (options, TRUE);
 		g_free (charset_opt);
 		
@@ -3080,31 +3164,64 @@
 }
 
 
+enum {
+	LOCAL_USER_CHECKED = (1 << 0),
+	LOCAL_USER_FOUND   = (1 << 1)
+};
+
 /* checks that the user is logged-in at a local X session (which does not necessarily infer an *active* session) */
 static gboolean
 gvm_local_user (void)
 {
-	gboolean local = FALSE;
+	static guint32 local = 0;
+	struct dirent *dent;
 	struct utmp *utmp;
 	const char *user;
-	size_t ulen;
+	char *vtend;
+	size_t n;
+	DIR *dir;
+	int vt;
+	
+	if (local & LOCAL_USER_CHECKED)
+		return (local & LOCAL_USER_FOUND);
 	
 	user = g_get_user_name ();
-	ulen = strlen (user);
+	n = strlen (user);
 	
-	setutent ();
+	if (!(dir = opendir (GVM_CONSOLE_AUTH_DIR)))
+		goto fallback;
 	
-	while (!local && (utmp = getutent ())) {
-		if (utmp->ut_type != USER_PROCESS || strncmp (utmp->ut_user, user, ulen) != 0)
-			continue;
+	/* this works for pam_console ($path/user) and pam_foreground ($path/user:vt) - see bug #336932 */
+	while ((dent = readdir (dir))) {
+                if (!strncmp (user, dent->d_name, n) && dent->d_name[n] == '\0'
+		    || (dent->d_name[n] == ':' && ((vt = strtol (dent->d_name + n + 1, &vtend, 10)) >= 0) && *vtend == '\0')) {
+			local = LOCAL_USER_FOUND;
+			break;
+		}
+	}
+	
+	closedir (dir);
+	
+ fallback:
+	
+	if (!(local & LOCAL_USER_FOUND)) {
+		setutent ();
+		
+		while (!(local & LOCAL_USER_FOUND) && (utmp = getutent ())) {
+			if (utmp->ut_type != USER_PROCESS || strncmp (utmp->ut_user, user, n) != 0)
+				continue;
+			
+			/* only accept local X sessions or local tty's (user started X via `startx`) */
+			local = utmp->ut_line[0] == ':' && utmp->ut_line[1] >= '0' && utmp->ut_line[1] <= '9'
+				|| !strncmp (utmp->ut_line, "tty", 3) ? LOCAL_USER_FOUND : 0;
+		}
 		
-		/* only accept local X sessions */
-		local = utmp->ut_line[0] == ':' && utmp->ut_line[1] >= '0' && utmp->ut_line[1] <= '9';
+		endutent ();
 	}
 	
-	endutent ();
+	local |= LOCAL_USER_CHECKED;
 	
-	return local;
+	return (local & LOCAL_USER_FOUND);
 }
 
 /* checks that the user is at the local active X session */