Bug 15393 - support allow_anonymous config variable

	* bus/bus.c: Set allow_anonymous if specified from
	parser.
	* bus/config-parser.c: Parse it.
	* bus/config-parser-common.h: Declare it.

Signed-off-by: Colin Walters <walters@verbum.org>

4 files changed, 37 insertions, 1 deletions

diff --git a/bus/bus.c b/bus/bus.c
index e5733fec..42cc295f 100644
--- a/bus/bus.c
+++ b/bus/bus.c
@@ -55,6 +55,7 @@ struct BusContext
   BusLimits limits;
   unsigned int fork : 1;
   unsigned int keep_umask : 1;
+  unsigned int allow_anonymous : 1;
 };
 
 static dbus_int32_t server_data_slot = -1;
@@ -189,6 +190,9 @@ new_connection_callback (DBusServer     *server,
   dbus_connection_set_max_message_size (new_connection,
                                         context->limits.max_message_size);
   
+  dbus_connection_set_allow_anonymous (new_connection,
+                                       context->allow_anonymous);
+
   /* on OOM, we won't have ref'd the connection so it will die. */
 }
 
@@ -386,6 +390,7 @@ process_config_first_time_only (BusContext      *context,
 
   context->fork = bus_config_parser_get_fork (parser);
   context->keep_umask = bus_config_parser_get_keep_umask (parser);
+  context->allow_anonymous = bus_config_parser_get_allow_anonymous (parser);
   
   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   retval = TRUE;
diff --git a/bus/config-parser-common.c b/bus/config-parser-common.c
index 1e0f7f91..a12642c4 100644
--- a/bus/config-parser-common.c
+++ b/bus/config-parser-common.c
@@ -118,6 +118,10 @@ bus_config_parser_element_name_to_type (const char *name)
     {
       return ELEMENT_KEEP_UMASK;
     }
+  else if (strcmp (name, "allow_anonymous") == 0)
+    {
+      return ELEMENT_ALLOW_ANONYMOUS;
+    }
   return ELEMENT_NONE;
 }
 
@@ -168,6 +172,8 @@ bus_config_parser_element_type_to_name (ElementType type)
       return "associate";
     case ELEMENT_KEEP_UMASK:
       return "keep_umask";
+    case ELEMENT_ALLOW_ANONYMOUS:
+      return "allow_anonymous";
     }
 
   _dbus_assert_not_reached ("bad element type");
diff --git a/bus/config-parser-common.h b/bus/config-parser-common.h
index 01eb118b..ebdc3c95 100644
--- a/bus/config-parser-common.h
+++ b/bus/config-parser-common.h
@@ -48,7 +48,8 @@ typedef enum
   ELEMENT_ASSOCIATE,
   ELEMENT_STANDARD_SESSION_SERVICEDIRS,
   ELEMENT_STANDARD_SYSTEM_SERVICEDIRS,
-  ELEMENT_KEEP_UMASK
+  ELEMENT_KEEP_UMASK,
+  ELEMENT_ALLOW_ANONYMOUS
 } ElementType;
 
 ElementType bus_config_parser_element_name_to_type (const char *element_name);
diff --git a/bus/config-parser.c b/bus/config-parser.c
index 5bb34f17..64b8f6f1 100644
--- a/bus/config-parser.c
+++ b/bus/config-parser.c
@@ -114,6 +114,8 @@ struct BusConfigParser
   unsigned int keep_umask : 1; /**< TRUE to keep original umask when forking */
 
   unsigned int is_toplevel : 1; /**< FALSE if we are a sub-config-file inside another one */
+
+  unsigned int allow_anonymous : 1; /**< TRUE to allow anonymous connections */
 };
 
 static Element*
@@ -835,6 +837,20 @@ start_busconfig_child (BusConfigParser   *parser,
 
       return TRUE;
     }
+  else if (element_type == ELEMENT_ALLOW_ANONYMOUS)
+    {
+      if (!check_no_attributes (parser, "allow_anonymous", attribute_names, attribute_values, error))
+        return FALSE;
+
+      if (push_element (parser, ELEMENT_ALLOW_ANONYMOUS) == NULL)
+        {
+          BUS_SET_OOM (error);
+          return FALSE;
+        }
+
+      parser->allow_anonymous = TRUE;
+      return TRUE;
+    }
   else if (element_type == ELEMENT_SERVICEDIR)
     {
       if (!check_no_attributes (parser, "servicedir", attribute_names, attribute_values, error))
@@ -1972,6 +1988,7 @@ bus_config_parser_end_element (BusConfigParser   *parser,
     case ELEMENT_ASSOCIATE:
     case ELEMENT_STANDARD_SESSION_SERVICEDIRS:
     case ELEMENT_STANDARD_SYSTEM_SERVICEDIRS:
+    case ELEMENT_ALLOW_ANONYMOUS:
       break;
     }
 
@@ -2256,6 +2273,7 @@ bus_config_parser_content (BusConfigParser   *parser,
     case ELEMENT_KEEP_UMASK:
     case ELEMENT_STANDARD_SESSION_SERVICEDIRS:    
     case ELEMENT_STANDARD_SYSTEM_SERVICEDIRS:    
+    case ELEMENT_ALLOW_ANONYMOUS:
     case ELEMENT_SELINUX:
     case ELEMENT_ASSOCIATE:
       if (all_whitespace (content))
@@ -2582,6 +2600,12 @@ bus_config_parser_get_keep_umask (BusConfigParser   *parser)
   return parser->keep_umask;
 }
 
+dbus_bool_t
+bus_config_parser_get_allow_anonymous (BusConfigParser   *parser)
+{
+  return parser->allow_anonymous;
+}
+
 const char *
 bus_config_parser_get_pidfile (BusConfigParser   *parser)
 {