/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-message.c DBusMessage object
*
- * Copyright (C) 2002, 2003 Red Hat Inc.
+ * Copyright (C) 2002, 2003, 2004 Red Hat Inc.
* Copyright (C) 2002, 2003 CodeFactory AB
*
- * Licensed under the Academic Free License version 1.2
+ * Licensed under the Academic Free License version 2.0
*
* 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
* @{
*/
-enum
-{
- FIELD_HEADER_LENGTH,
- FIELD_BODY_LENGTH,
- FIELD_CLIENT_SERIAL,
- FIELD_NAME,
- FIELD_SERVICE,
- FIELD_SENDER,
- FIELD_REPLY_SERIAL,
-
- FIELD_LAST
-};
-
-static dbus_bool_t field_is_named[FIELD_LAST] =
-{
- FALSE, /* FIELD_HEADER_LENGTH */
- FALSE, /* FIELD_BODY_LENGTH */
- FALSE, /* FIELD_CLIENT_SERIAL */
- TRUE, /* FIELD_NAME */
- TRUE, /* FIELD_SERVICE */
- TRUE, /* FIELD_SENDER */
- TRUE /* FIELD_REPLY_SERIAL */
-};
-
+/**
+ * Cached information about a header field in the message
+ */
typedef struct
{
- int offset; /**< Offset to start of field (location of name of field
- * for named fields)
- */
+ int name_offset; /**< Offset to name of field */
+ int value_offset; /**< Offset to value of field */
} HeaderField;
-#define BYTE_ORDER_OFFSET 0
-#define TYPE_OFFSET 1
-#define FLAGS_OFFSET 2
-#define VERSION_OFFSET 3
+/** Offset to byte order from start of header */
+#define BYTE_ORDER_OFFSET 0
+/** Offset to type from start of header */
+#define TYPE_OFFSET 1
+/** Offset to flags from start of header */
+#define FLAGS_OFFSET 2
+/** Offset to version from start of header */
+#define VERSION_OFFSET 3
+/** Offset to header length from start of header */
+#define HEADER_LENGTH_OFFSET 4
+/** Offset to body length from start of header */
+#define BODY_LENGTH_OFFSET 8
+/** Offset to client serial from start of header */
+#define CLIENT_SERIAL_OFFSET 12
+
/**
* @brief Internals of DBusMessage
* independently realloc it.
*/
- HeaderField header_fields[FIELD_LAST]; /**< Track the location
- * of each field in "header"
- */
+ HeaderField header_fields[DBUS_HEADER_FIELD_LAST + 1]; /**< Track the location
+ * of each field in "header"
+ */
dbus_uint32_t client_serial; /**< Cached client serial value for speed */
dbus_uint32_t reply_serial; /**< Cached reply serial value for speed */
unsigned int locked : 1; /**< Message being sent, no modifications allowed. */
- DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
+ DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
};
enum {
message->header_padding = 0;
}
+#ifdef DBUS_DISABLE_CHECKS
+#define is_valid_error_name(x) TRUE
+#else
+static dbus_bool_t
+is_valid_error_name (const char *error_name)
+{
+ DBusString the_error_name;
+
+ if (error_name == NULL)
+ return FALSE;
+
+ _dbus_string_init_const (&the_error_name, error_name);
+ return _dbus_string_validate_error_name (&the_error_name, 0,
+ _dbus_string_get_length (&the_error_name));
+}
+#endif
+
static dbus_bool_t
append_header_padding (DBusMessage *message)
{
return TRUE;
}
-static void
-adjust_field_offsets (DBusMessage *message,
- int offsets_after,
- int delta)
-{
- int i;
-
- if (delta == 0)
- return;
-
- i = 0;
- while (i < FIELD_LAST)
- {
- if (message->header_fields[i].offset > offsets_after)
- message->header_fields[i].offset += delta;
-
- ++i;
- }
-}
-
#ifdef DBUS_BUILD_TESTS
/* tests-only until it's actually used */
static dbus_int32_t
{
int offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
if (offset < 0)
return -1; /* useless if -1 is a valid value of course */
{
int offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
if (offset < 0)
- return -1; /* useless if -1 is a valid value of course */
+ return 0; /* useless if 0 is a valid value of course */
return _dbus_demarshal_uint32 (&message->header,
message->byte_order,
int offset;
const char *data;
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
if (offset < 0)
return NULL;
return data + (offset + 4);
}
+/* returns FALSE if no memory, TRUE with NULL path if no field */
+static dbus_bool_t
+get_path_field_decomposed (DBusMessage *message,
+ int field,
+ char ***path)
+{
+ int offset;
+
+ offset = message->header_fields[field].value_offset;
+
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
+
+ if (offset < 0)
+ {
+ *path = NULL;
+ return TRUE;
+ }
+
+ return _dbus_demarshal_object_path (&message->header,
+ message->byte_order,
+ offset,
+ NULL,
+ path, NULL);
+}
+
#ifdef DBUS_BUILD_TESTS
static dbus_bool_t
append_int_field (DBusMessage *message,
int field,
- const char *name,
int value)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_INT32))
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[field].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
if (!_dbus_marshal_int32 (&message->header, message->byte_order,
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
static dbus_bool_t
append_uint_field (DBusMessage *message,
int field,
- const char *name,
- int value)
+ int value)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_UINT32))
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[field].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
if (!_dbus_marshal_uint32 (&message->header, message->byte_order,
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
return FALSE;
}
+/** The maximum number of bytes of overhead to append to a string
+ * (fieldcode + typecode + alignment + length + nul + headerpadding)
+ */
+#define MAX_BYTES_OVERHEAD_TO_APPEND_A_STRING (1 + 1 + 3 + 4 + 1 + 8)
+
static dbus_bool_t
-append_string_field (DBusMessage *message,
- int field,
- const char *name,
- const char *value)
+append_string_field_len (DBusMessage *message,
+ int field,
+ int type,
+ const char *value,
+ int value_len)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
- if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_STRING))
+ if (!_dbus_string_append_byte (&message->header, type))
goto failed;
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[field].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
- if (!_dbus_marshal_string (&message->header, message->byte_order,
- value))
+ if (!_dbus_marshal_string_len (&message->header, message->byte_order,
+ value, value_len))
goto failed;
if (!append_header_padding (message))
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
return FALSE;
}
-#ifdef DBUS_BUILD_TESTS
-/* This isn't used, but building it when tests are enabled just to
- * keep it compiling if we need it in future
- */
-static void
-delete_int_or_uint_field (DBusMessage *message,
- int field)
+static dbus_bool_t
+append_string_field (DBusMessage *message,
+ int field,
+ int type,
+ const char *value)
{
- int offset = message->header_fields[field].offset;
+ int value_len;
- _dbus_assert (!message->locked);
- _dbus_assert (field_is_named[field]);
+ value_len = strlen (value);
+
+ return append_string_field_len (message, field, type, value, value_len);
+}
+
+static int
+get_type_alignment (int type)
+{
+ int alignment;
- if (offset < 0)
- return;
+ switch (type)
+ {
+ case DBUS_TYPE_NIL:
+ case DBUS_TYPE_BYTE:
+ case DBUS_TYPE_BOOLEAN:
+ alignment = 0;
+ break;
- clear_header_padding (message);
+ case DBUS_TYPE_INT32:
+ case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_STRING:
+ case DBUS_TYPE_OBJECT_PATH:
+ /* These are aligned 4 because they have a length as the
+ * first field;
+ */
+ case DBUS_TYPE_CUSTOM:
+ case DBUS_TYPE_DICT:
+ alignment = 4;
+ break;
+
+ case DBUS_TYPE_INT64:
+ case DBUS_TYPE_UINT64:
+ case DBUS_TYPE_DOUBLE:
+ alignment = 8;
+ break;
+
+ case DBUS_TYPE_ARRAY:
+ _dbus_assert_not_reached ("passed an ARRAY type to get_type_alignment()");
+ break;
+
+ case DBUS_TYPE_INVALID:
+ default:
+ _dbus_assert_not_reached ("passed an invalid or unknown type to get_type_alignment()");
+ break;
+ }
+
+ return alignment;
+}
+
+static dbus_bool_t
+iterate_one_field (const DBusString *str,
+ int byte_order,
+ int name_offset,
+ int *next_offset_p,
+ int *field_name_p,
+ DBusString *append_copy_to,
+ int *copy_name_offset_p,
+ int *copy_value_offset_p)
+{
+ int name, type, array_type;
+ int alignment;
+ int type_len;
+ int type_pos;
+ int value_pos;
+ int value_len;
+ int value_end;
+ int pos;
+
+ _dbus_verbose ("%s: name_offset=%d, append to %p\n",
+ _DBUS_FUNCTION_NAME, name_offset, append_copy_to);
+
+ pos = name_offset;
+
+ name = _dbus_string_get_byte (str, name_offset);
+ pos++;
+
+ type_pos = pos;
+ type = _dbus_string_get_byte (str, type_pos);
+ pos++;
+ type_len = 1;
+
+ array_type = type;
+ /* find out the type of our array */
+ while (array_type == DBUS_TYPE_ARRAY)
+ {
+ pos++;
+ type_len++;
+ array_type = _dbus_string_get_byte (str, pos);
+ }
+
+ _dbus_verbose ("%s: name %d, type '%c' %d at %d len %d, array type '%c' %d\n",
+ _DBUS_FUNCTION_NAME,
+ name, type, type, type_pos, type_len, array_type, array_type);
- /* The field typecode and name take up 8 bytes */
- _dbus_string_delete (&message->header,
- offset - 8,
- 12);
+#ifndef DBUS_DISABLE_ASSERT
+ if (!_dbus_type_is_valid (array_type))
+ {
+ _dbus_warn ("type '%c' %d is not valid in %s\n",
+ array_type, array_type, _DBUS_FUNCTION_NAME);
+ _dbus_assert_not_reached ("invalid type");
+ }
+#endif
+
+ alignment = get_type_alignment (array_type);
+
+ if (alignment > 0)
+ pos = _DBUS_ALIGN_VALUE (pos, alignment);
+
+ _dbus_verbose ("%s: alignment %d value at pos %d\n",
+ _DBUS_FUNCTION_NAME, alignment, pos);
+
+ /* pos now points to our value */
+ if (!_dbus_marshal_get_arg_end_pos (str, byte_order,
+ type, pos, &value_end))
+ _dbus_assert_not_reached ("failed to get the byte after this header");
+
+ value_pos = pos;
+ value_len = value_end - value_pos;
- message->header_fields[field].offset = -1;
+ _dbus_verbose ("%s: value_pos %d value_len %d value_end %d\n",
+ _DBUS_FUNCTION_NAME, value_pos, value_len, value_end);
- adjust_field_offsets (message,
- offset - 8,
- - 12);
+ if (next_offset_p)
+ *next_offset_p = pos + value_len;
+
+ if (field_name_p)
+ *field_name_p = name;
+
+ if (append_copy_to)
+ {
+ int orig_len;
+
+ orig_len = _dbus_string_get_length (append_copy_to);
+
+ if (copy_name_offset_p)
+ *copy_name_offset_p = orig_len;
+
+ if (!_dbus_string_append_byte (append_copy_to, name))
+ goto failed_copy;
+
+ if (!_dbus_string_copy_len (str, type_pos, type_len,
+ append_copy_to,
+ _dbus_string_get_length (append_copy_to)))
+ goto failed_copy;
+
+ if (!_dbus_string_align_length (append_copy_to, alignment))
+ goto failed_copy;
- append_header_padding (message);
+ if (copy_value_offset_p)
+ *copy_value_offset_p = _dbus_string_get_length (append_copy_to);
+
+ if (!_dbus_string_copy_len (str, value_pos, value_len,
+ append_copy_to,
+ _dbus_string_get_length (append_copy_to)))
+ goto failed_copy;
+
+ return TRUE;
+
+ failed_copy:
+ _dbus_verbose ("%s: Failed copying old fields to new string\n",
+ _DBUS_FUNCTION_NAME);
+ _dbus_string_set_length (append_copy_to, orig_len);
+ return FALSE;
+ }
+ else
+ return TRUE;
}
-#endif
+#ifndef DBUS_DISABLE_ASSERT
static void
-delete_string_field (DBusMessage *message,
- int field)
+verify_header_fields (DBusMessage *message)
{
- int offset = message->header_fields[field].offset;
- int len;
- int delete_len;
+ int i;
+ i = 0;
+ while (i < DBUS_HEADER_FIELD_LAST)
+ {
+ if (message->header_fields[i].name_offset >= 0)
+ _dbus_assert (_dbus_string_get_byte (&message->header,
+ message->header_fields[i].name_offset) ==
+ i);
+ ++i;
+ }
+}
+#else /* DBUS_DISABLE_ASSERT */
+#define verify_header_fields(x)
+#endif /* DBUS_DISABLE_ASSERT */
+
+/* In this function we delete one field and re-align all the fields
+ * following it.
+ */
+static dbus_bool_t
+delete_one_and_re_align (DBusMessage *message,
+ int name_offset_to_delete)
+{
+ DBusString copy;
+ int new_fields_front_padding;
+ int next_offset;
+ int field_name;
+ dbus_bool_t retval;
+ HeaderField new_header_fields[DBUS_HEADER_FIELD_LAST];
- _dbus_assert (!message->locked);
- _dbus_assert (field_is_named[field]);
+ _dbus_assert (name_offset_to_delete < _dbus_string_get_length (&message->header));
+ verify_header_fields (message);
+
+ _dbus_verbose ("%s: Deleting one field at offset %d\n",
+ _DBUS_FUNCTION_NAME,
+ name_offset_to_delete);
- if (offset < 0)
- return;
+ retval = FALSE;
clear_header_padding (message);
- get_string_field (message, field, &len);
+ if (!_dbus_string_init_preallocated (©,
+ _dbus_string_get_length (&message->header) -
+ name_offset_to_delete + 8))
+ {
+ _dbus_verbose ("%s: Failed to init string to hold copy of fields\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_0;
+ }
+
+ /* Align the name offset of the first field in the same way it's
+ * aligned in the real header
+ */
+ new_fields_front_padding = name_offset_to_delete % 8;
+
+ if (!_dbus_string_insert_bytes (©, 0, new_fields_front_padding,
+ '\0'))
+ _dbus_assert_not_reached ("Should not have failed to insert bytes into preallocated string\n");
+
+ memcpy (new_header_fields, message->header_fields,
+ sizeof (new_header_fields));
- /* The field typecode and name take up 8 bytes, and the nul
- * termination is 1 bytes, string length integer is 4 bytes
+ /* Now just re-marshal each field in the header to our temporary
+ * buffer, skipping the first one. The tricky part is that the
+ * fields are padded as if for previous_name_offset, but are in fact
+ * at unaligned_name_offset
*/
- delete_len = 8 + 4 + 1 + len;
+
+ if (!iterate_one_field (&message->header,
+ message->byte_order,
+ name_offset_to_delete,
+ &next_offset,
+ &field_name, NULL, NULL, NULL))
+ _dbus_assert_not_reached ("shouldn't have failed to alloc memory to skip the deleted field");
+
+ if (field_name < DBUS_HEADER_FIELD_LAST)
+ {
+ new_header_fields[field_name].name_offset = -1;
+ new_header_fields[field_name].value_offset = -1;
+ }
- _dbus_string_delete (&message->header,
- offset - 8,
- delete_len);
+ while (next_offset < _dbus_string_get_length (&message->header))
+ {
+ int copy_name_offset;
+ int copy_value_offset;
+
+ if (!iterate_one_field (&message->header,
+ message->byte_order,
+ next_offset,
+ &next_offset,
+ &field_name,
+ ©,
+ ©_name_offset,
+ ©_value_offset))
+ {
+ _dbus_verbose ("%s: OOM iterating one field\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_1;
+ }
+
+ if (field_name < DBUS_HEADER_FIELD_LAST)
+ {
+ new_header_fields[field_name].name_offset = copy_name_offset - new_fields_front_padding + name_offset_to_delete;
+ new_header_fields[field_name].value_offset = copy_value_offset - new_fields_front_padding + name_offset_to_delete;
+ }
+ }
- message->header_fields[field].offset = -1;
+ if (!_dbus_string_replace_len (©,
+ new_fields_front_padding,
+ _dbus_string_get_length (©) - new_fields_front_padding,
+ &message->header,
+ name_offset_to_delete,
+ _dbus_string_get_length (&message->header) - name_offset_to_delete))
+ {
+ _dbus_verbose ("%s: OOM moving copy back into header\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_1;
+ }
+
+ memcpy (message->header_fields, new_header_fields,
+ sizeof (new_header_fields));
+ verify_header_fields (message);
+
+ retval = TRUE;
+
+ out_1:
+ _dbus_string_free (©);
- adjust_field_offsets (message,
- offset - 8,
- - delete_len);
+ out_0:
+ if (!append_header_padding (message))
+ _dbus_assert_not_reached ("Failed to re-append header padding in re_align_field_recurse()");
+
+ return retval;
+}
+
+static dbus_bool_t
+delete_field (DBusMessage *message,
+ int field,
+ int prealloc_header_space)
+{
+ int offset;
+
+ _dbus_assert (!message->locked);
+
+ /* Prealloc */
+ if (!_dbus_string_lengthen (&message->header, prealloc_header_space))
+ {
+ _dbus_verbose ("failed to prealloc %d bytes header space\n",
+ prealloc_header_space);
+ return FALSE;
+ }
+ _dbus_string_shorten (&message->header, prealloc_header_space);
+
+ /* Delete */
+ offset = message->header_fields[field].name_offset;
+ if (offset < 0)
+ {
+ _dbus_verbose ("header field didn't exist, no need to delete\n");
+ return TRUE; /* field didn't exist */
+ }
- append_header_padding (message);
+ return delete_one_and_re_align (message, offset);
}
#ifdef DBUS_BUILD_TESTS
int field,
int value)
{
- int offset = message->header_fields[field].offset;
+ int offset = message->header_fields[field].value_offset;
_dbus_assert (!message->locked);
if (offset < 0)
{
/* need to append the field */
-
- switch (field)
- {
- default:
- _dbus_assert_not_reached ("appending an int field we don't support appending");
- return FALSE;
- }
+ return append_int_field (message, field, value);
}
else
{
int field,
dbus_uint32_t value)
{
- int offset = message->header_fields[field].offset;
+ int offset = message->header_fields[field].value_offset;
_dbus_assert (!message->locked);
if (offset < 0)
{
/* need to append the field */
-
- switch (field)
- {
- case FIELD_REPLY_SERIAL:
- return append_uint_field (message, field,
- DBUS_HEADER_FIELD_REPLY,
- value);
- default:
- _dbus_assert_not_reached ("appending a uint field we don't support appending");
- return FALSE;
- }
+ return append_uint_field (message, field, value);
}
else
{
static dbus_bool_t
set_string_field (DBusMessage *message,
int field,
+ int type,
const char *value)
{
- int offset = message->header_fields[field].offset;
-
- _dbus_assert (!message->locked);
- _dbus_assert (value != NULL);
+ int prealloc;
+ int value_len;
- if (offset < 0)
- {
- /* need to append the field */
-
- switch (field)
- {
- case FIELD_SENDER:
- return append_string_field (message, field,
- DBUS_HEADER_FIELD_SENDER,
- value);
- default:
- _dbus_assert_not_reached ("appending a string field we don't support appending");
- return FALSE;
- }
- }
- else
- {
- DBusString v;
- int old_len;
- int new_len;
- int len;
-
- clear_header_padding (message);
-
- old_len = _dbus_string_get_length (&message->header);
-
- len = strlen (value);
-
- _dbus_string_init_const_len (&v, value,
- len + 1); /* include nul */
- if (!_dbus_marshal_set_string (&message->header,
- message->byte_order,
- offset, &v,
- len))
- goto failed;
-
- new_len = _dbus_string_get_length (&message->header);
-
- adjust_field_offsets (message,
- offset,
- new_len - old_len);
+ _dbus_assert (!message->locked);
- if (!append_header_padding (message))
- goto failed;
-
- return TRUE;
+ value_len = value ? strlen (value) : 0;
+
+ /* the prealloc is so the append_string_field()
+ * below won't fail, leaving us in inconsistent state
+ */
+ prealloc = value_len + MAX_BYTES_OVERHEAD_TO_APPEND_A_STRING;
- failed:
- /* this must succeed because it was allocated on function entry and
- * DBusString doesn't ever realloc smaller
- */
- if (!append_header_padding (message))
- _dbus_assert_not_reached ("failed to reappend header padding");
+ _dbus_verbose ("set_string_field() field %d prealloc %d\n",
+ field, prealloc);
+
+ if (!delete_field (message, field, prealloc))
+ return FALSE;
- return FALSE;
+ if (value != NULL)
+ {
+ /* need to append the field */
+ if (!append_string_field_len (message, field, type, value, value_len))
+ _dbus_assert_not_reached ("Appending string field shouldn't have failed, due to preallocation");
}
+
+ return TRUE;
}
/**
{
_dbus_assert (!message->locked);
_dbus_assert (dbus_message_get_serial (message) == 0);
-
- set_uint_field (message, FIELD_CLIENT_SERIAL,
- serial);
+
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ serial);
+
message->client_serial = serial;
}
{
_dbus_assert (!message->locked);
- if (set_uint_field (message, FIELD_REPLY_SERIAL,
+ if (set_uint_field (message,
+ DBUS_HEADER_FIELD_REPLY_SERIAL,
reply_serial))
{
message->reply_serial = reply_serial;
}
/**
- * Returns the serial of a message or -1 if none has been specified.
+ * Returns the serial of a message or 0 if none has been specified.
* The message's serial number is provided by the application sending
- * the message and is used to identify replies to this message.
+ * the message and is used to identify replies to this message. All
+ * messages received on a connection will have a serial, but messages
+ * you haven't sent yet may return 0.
*
* @param message the message
* @returns the client serial
}
/**
- * Returns the serial that the message is
- * a reply to or 0 if none.
+ * Returns the serial that the message is a reply to or 0 if none.
*
* @param message the message
* @returns the reply serial
else
_dbus_list_free_link (link);
- _dbus_counter_adjust (counter, message->size_counter_delta);
+ _dbus_counter_adjust (counter, - message->size_counter_delta);
_dbus_counter_unref (counter);
}
static dbus_bool_t
dbus_message_create_header (DBusMessage *message,
int type,
- const char *name,
- const char *service)
+ const char *service,
+ const char *path,
+ const char *interface,
+ const char *member,
+ const char *error_name)
{
unsigned int flags;
+
+ _dbus_assert ((interface && member) ||
+ (error_name) ||
+ !(interface || member || error_name));
+ _dbus_assert (error_name == NULL || is_valid_error_name (error_name));
if (!_dbus_string_append_byte (&message->header, message->byte_order))
return FALSE;
if (!_dbus_string_append_byte (&message->header, DBUS_MAJOR_PROTOCOL_VERSION))
return FALSE;
- message->header_fields[FIELD_HEADER_LENGTH].offset = 4;
+ /* header length */
if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- message->header_fields[FIELD_BODY_LENGTH].offset = 8;
+ /* body length */
if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- message->header_fields[FIELD_CLIENT_SERIAL].offset = 12;
- if (!_dbus_marshal_int32 (&message->header, message->byte_order, -1))
+ /* serial */
+ if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- /* Marshal message service */
+ /* Marshal all the fields (Marshall Fields?) */
+
+ if (path != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_PATH,
+ DBUS_TYPE_OBJECT_PATH,
+ path))
+ return FALSE;
+ }
+
if (service != NULL)
{
if (!append_string_field (message,
- FIELD_SERVICE,
- DBUS_HEADER_FIELD_SERVICE,
+ DBUS_HEADER_FIELD_DESTINATION,
+ DBUS_TYPE_STRING,
service))
return FALSE;
}
- _dbus_assert (name != NULL);
- if (!append_string_field (message,
- FIELD_NAME,
- DBUS_HEADER_FIELD_NAME,
- name))
- return FALSE;
-
- return TRUE;
-}
+ if (interface != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_INTERFACE,
+ DBUS_TYPE_STRING,
+ interface))
+ return FALSE;
+ }
+
+ if (member != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ DBUS_TYPE_STRING,
+ member))
+ return FALSE;
+ }
+
+ if (error_name != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ DBUS_TYPE_STRING,
+ error_name))
+ return FALSE;
+ }
+
+ /* @todo if we make signature optional when body is empty, we don't
+ * need to do this here.
+ */
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_STRING,
+ ""))
+ return FALSE;
+
+ return TRUE;
+}
/**
* Locks a message. Allows checking that applications don't keep a
if (!message->locked)
{
/* Fill in our lengths */
- set_uint_field (message,
- FIELD_HEADER_LENGTH,
- _dbus_string_get_length (&message->header));
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ HEADER_LENGTH_OFFSET,
+ _dbus_string_get_length (&message->header));
- set_uint_field (message,
- FIELD_BODY_LENGTH,
- _dbus_string_get_length (&message->body));
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ BODY_LENGTH_OFFSET,
+ _dbus_string_get_length (&message->body));
message->locked = TRUE;
}
*/
/**
+ * Sets the signature of the message, i.e. the arguments in the
+ * message payload. The signature includes only "in" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_CALL and only "out" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_RETURN, so is slightly different from
+ * what you might expect (it does not include the signature of the
+ * entire C++-style method).
+ *
+ * The signature is a string made up of type codes such
+ * as #DBUS_TYPE_STRING. The string is terminated with nul
+ * (nul is also the value of #DBUS_TYPE_INVALID).
+ *
+ * @param message the message
+ * @param signature the type signature or #NULL to unset
+ * @returns #FALSE if no memory
+ */
+static dbus_bool_t
+dbus_message_set_signature (DBusMessage *message,
+ const char *signature)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_STRING,
+ signature);
+}
+
+/**
+ * Appends to the signature of the message.
+ * (currently a static function, maybe should be public?)
+ *
+ * @param message the message
+ * @param append_bytes nul-terminated bytes to append to the type signature
+ * @returns #FALSE if no memory
+ */
+static dbus_bool_t
+dbus_message_append_to_signature (DBusMessage *message,
+ const char *append_bytes)
+{
+ const char *signature;
+ DBusString append_str;
+ dbus_bool_t retval;
+
+ _dbus_return_val_if_fail (append_bytes != NULL, FALSE);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ retval = FALSE;
+
+ /* FIXME Just really inefficient for the moment; later we could
+ * speed it up a lot by poking more directly at the header data
+ */
+ signature = dbus_message_get_signature (message);
+
+ if (!_dbus_string_init (&append_str))
+ return FALSE;
+
+ if (signature && !_dbus_string_append (&append_str, signature))
+ goto out;
+
+ if (!_dbus_string_append (&append_str, append_bytes))
+ goto out;
+
+ if (!set_string_field (message,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_STRING,
+ _dbus_string_get_const_data (&append_str)))
+ goto out;
+
+ retval = TRUE;
+
+ out:
+
+ _dbus_string_free (&append_str);
+
+ return retval;
+}
+
+/**
+ * Appends one byte to the signature of the message.
+ * Internal function.
+ *
+ * @param message the message
+ * @param append_byte the byte
+ * @returns #FALSE if no memory
+ */
+static dbus_bool_t
+_dbus_message_append_byte_to_signature (DBusMessage *message,
+ unsigned char append_byte)
+{
+ char buf[2];
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ buf[0] = append_byte;
+ buf[1] = '\0';
+
+ return dbus_message_append_to_signature (message, buf);
+}
+
+/**
+ * Removes the last byte from the signature of the message.
+ * Internal function.
+ *
+ * @param message the message
+ */
+static void
+_dbus_message_remove_byte_from_signature (DBusMessage *message)
+{
+ const char *signature;
+
+ _dbus_return_if_fail (message != NULL);
+ _dbus_return_if_fail (!message->locked);
+
+ signature = dbus_message_get_signature (message);
+
+ _dbus_return_if_fail (signature != NULL);
+
+ if (!delete_field (message,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ 0))
+ _dbus_assert_not_reached ("failed to delete signature field");
+
+ /* reappend one shorter (could this be any less efficient? the code will
+ * go away later anyhow)
+ */
+ if (!append_string_field_len (message, DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_STRING, signature,
+ strlen (signature) - 1))
+ _dbus_assert_not_reached ("reappending shorter signature shouldn't have failed");
+}
+
+/**
* @typedef DBusMessage
*
* Opaque data type representing a message received from or to be
_dbus_data_slot_list_init (&message->slot_list);
i = 0;
- while (i < FIELD_LAST)
+ while (i <= DBUS_HEADER_FIELD_LAST)
{
- message->header_fields[i].offset = -1;
+ message->header_fields[i].name_offset = -1;
+ message->header_fields[i].value_offset = -1;
++i;
}
return message;
}
+/**
+ * Constructs a new message of the given message type.
+ * Types include #DBUS_MESSAGE_TYPE_METHOD_CALL,
+ * #DBUS_MESSAGE_TYPE_SIGNAL, and so forth.
+ *
+ * @param message_type type of message
+ * @returns new message or #NULL If no memory
+ */
+DBusMessage*
+dbus_message_new (int message_type)
+{
+ DBusMessage *message;
+
+ _dbus_return_val_if_fail (message_type != DBUS_MESSAGE_TYPE_INVALID, NULL);
+
+ message = dbus_message_new_empty_header ();
+ if (message == NULL)
+ return NULL;
+
+ if (!dbus_message_create_header (message,
+ message_type,
+ NULL, NULL, NULL, NULL, NULL))
+ {
+ dbus_message_unref (message);
+ return NULL;
+ }
+
+ return message;
+}
/**
* Constructs a new message to invoke a method on a remote
* object. Returns #NULL if memory can't be allocated for the
* message. The service may be #NULL in which case no service is set;
* this is appropriate when using D-BUS in a peer-to-peer context (no
- * message bus).
- *
- * @param name name of the message
- * @param destination_service service that the message should be sent to or #NULL
+ * message bus). The interface may be #NULL, which means that
+ * if multiple methods with the given name exist it is undefined
+ * which one will be invoked.
+ *
+ * @param service service that the message should be sent to or #NULL
+ * @param path object path the message should be sent to
+ * @param interface interface to invoke method on
+ * @param method method to invoke
+ *
* @returns a new DBusMessage, free with dbus_message_unref()
* @see dbus_message_unref()
*/
DBusMessage*
-dbus_message_new_method_call (const char *name,
- const char *destination_service)
+dbus_message_new_method_call (const char *service,
+ const char *path,
+ const char *interface,
+ const char *method)
{
DBusMessage *message;
- _dbus_return_val_if_fail (name != NULL, NULL);
+ _dbus_return_val_if_fail (path != NULL, NULL);
+ _dbus_return_val_if_fail (method != NULL, NULL);
message = dbus_message_new_empty_header ();
if (message == NULL)
if (!dbus_message_create_header (message,
DBUS_MESSAGE_TYPE_METHOD_CALL,
- name, destination_service))
+ service, path, interface, method, NULL))
{
dbus_message_unref (message);
return NULL;
dbus_message_new_method_return (DBusMessage *method_call)
{
DBusMessage *message;
- const char *sender, *name;
+ const char *sender;
_dbus_return_val_if_fail (method_call != NULL, NULL);
sender = get_string_field (method_call,
- FIELD_SENDER, NULL);
- name = get_string_field (method_call,
- FIELD_NAME, NULL);
-
+ DBUS_HEADER_FIELD_SENDER,
+ NULL);
+
/* sender is allowed to be null here in peer-to-peer case */
message = dbus_message_new_empty_header ();
if (!dbus_message_create_header (message,
DBUS_MESSAGE_TYPE_METHOD_RETURN,
- name, sender))
+ sender, NULL, NULL, NULL, NULL))
{
dbus_message_unref (message);
return NULL;
}
+ dbus_message_set_no_reply (message, TRUE);
+
if (!dbus_message_set_reply_serial (message,
dbus_message_get_serial (method_call)))
{
/**
* Constructs a new message representing a signal emission. Returns
- * #NULL if memory can't be allocated for the message. The name
- * passed in is the name of the signal.
+ * #NULL if memory can't be allocated for the message.
+ * A signal is identified by its originating interface, and
+ * the name of the signal.
*
+ * @param path the path to the object emitting the signal
+ * @param interface the interface the signal is emitted from
* @param name name of the signal
* @returns a new DBusMessage, free with dbus_message_unref()
* @see dbus_message_unref()
*/
DBusMessage*
-dbus_message_new_signal (const char *name)
+dbus_message_new_signal (const char *path,
+ const char *interface,
+ const char *name)
{
DBusMessage *message;
+ _dbus_return_val_if_fail (path != NULL, NULL);
+ _dbus_return_val_if_fail (interface != NULL, NULL);
_dbus_return_val_if_fail (name != NULL, NULL);
message = dbus_message_new_empty_header ();
if (!dbus_message_create_header (message,
DBUS_MESSAGE_TYPE_SIGNAL,
- name, NULL))
+ NULL, path, interface, name, NULL))
{
dbus_message_unref (message);
return NULL;
}
+
+ dbus_message_set_no_reply (message, TRUE);
return message;
}
_dbus_return_val_if_fail (reply_to != NULL, NULL);
_dbus_return_val_if_fail (error_name != NULL, NULL);
+ _dbus_return_val_if_fail (is_valid_error_name (error_name), NULL);
sender = get_string_field (reply_to,
- FIELD_SENDER, NULL);
+ DBUS_HEADER_FIELD_SENDER,
+ NULL);
/* sender may be NULL for non-message-bus case or
* when the message bus is dealing with an unregistered
if (!dbus_message_create_header (message,
DBUS_MESSAGE_TYPE_ERROR,
- error_name, sender))
+ sender, NULL, NULL, NULL, error_name))
{
dbus_message_unref (message);
return NULL;
}
+ dbus_message_set_no_reply (message, TRUE);
+
if (!dbus_message_set_reply_serial (message,
dbus_message_get_serial (reply_to)))
{
}
/**
+ * Creates a new message that is an error reply to a certain message.
+ * Error replies are possible in response to method calls primarily.
+ *
+ * @param reply_to the original message
+ * @param error_name the error name
+ * @param error_format the error message string to be printed
+ * @param ... value of first argument, list of additional values to print
+ * @returns a new error message
+ */
+DBusMessage*
+dbus_message_new_error_printf (DBusMessage *reply_to,
+ const char *error_name,
+ const char *error_format,
+ ...)
+{
+ va_list args;
+ DBusString str;
+ DBusMessage *message;
+
+ _dbus_return_val_if_fail (reply_to != NULL, NULL);
+ _dbus_return_val_if_fail (error_name != NULL, NULL);
+ _dbus_return_val_if_fail (is_valid_error_name (error_name), NULL);
+
+ if (!_dbus_string_init (&str))
+ return NULL;
+
+ va_start (args, error_format);
+
+ if (_dbus_string_append_printf_valist (&str, error_format, args))
+ message = dbus_message_new_error (reply_to, error_name,
+ _dbus_string_get_const_data (&str));
+ else
+ message = NULL;
+
+ _dbus_string_free (&str);
+
+ va_end (args);
+
+ return message;
+}
+
+
+/**
* Creates a new message that is an exact replica of the message
* specified, except that its refcount is set to 1.
*
retval->header_padding = message->header_padding;
retval->locked = FALSE;
- if (!_dbus_string_init (&retval->header))
+ if (!_dbus_string_init_preallocated (&retval->header,
+ _dbus_string_get_length (&message->header)))
{
dbus_free (retval);
return NULL;
}
- if (!_dbus_string_init (&retval->body))
+ if (!_dbus_string_init_preallocated (&retval->body,
+ _dbus_string_get_length (&message->body)))
{
_dbus_string_free (&retval->header);
dbus_free (retval);
return NULL;
}
-
+
if (!_dbus_string_copy (&message->header, 0,
&retval->header, 0))
- {
- _dbus_string_free (&retval->header);
- _dbus_string_free (&retval->body);
- dbus_free (retval);
-
- return NULL;
- }
+ goto failed_copy;
if (!_dbus_string_copy (&message->body, 0,
&retval->body, 0))
+ goto failed_copy;
+
+ for (i = 0; i <= DBUS_HEADER_FIELD_LAST; i++)
{
- _dbus_string_free (&retval->header);
- _dbus_string_free (&retval->body);
- dbus_free (retval);
-
- return NULL;
- }
-
- for (i = 0; i < FIELD_LAST; i++)
- {
- retval->header_fields[i].offset = message->header_fields[i].offset;
+ retval->header_fields[i] = message->header_fields[i];
}
return retval;
+
+ failed_copy:
+ _dbus_string_free (&retval->header);
+ _dbus_string_free (&retval->body);
+ dbus_free (retval);
+
+ return NULL;
}
* Increments the reference count of a DBusMessage.
*
* @param message The message
+ * @returns the message
* @see dbus_message_unref
*/
-void
+DBusMessage *
dbus_message_ref (DBusMessage *message)
{
dbus_int32_t old_refcount;
- _dbus_return_if_fail (message != NULL);
+ _dbus_return_val_if_fail (message != NULL, NULL);
old_refcount = _dbus_atomic_inc (&message->refcount);
_dbus_assert (old_refcount >= 1);
+
+ return message;
}
static void
}
/**
- * Gets the name of a message.
+ * Sets the object path this message is being sent to (for
+ * DBUS_MESSAGE_TYPE_METHOD_CALL) or the one a signal is being
+ * emitted from (for DBUS_MESSAGE_TYPE_SIGNAL).
*
* @param message the message
- * @returns the message name (should not be freed)
+ * @param object_path the path or #NULL to unset
+ * @returns #FALSE if not enough memory
*/
-const char*
-dbus_message_get_name (DBusMessage *message)
+dbus_bool_t
+dbus_message_set_path (DBusMessage *message,
+ const char *object_path)
{
- _dbus_return_val_if_fail (message != NULL, NULL);
-
- return get_string_field (message, FIELD_NAME, NULL);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_PATH,
+ DBUS_TYPE_OBJECT_PATH,
+ object_path);
}
/**
- * Gets the destination service of a message.
- *
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
* @param message the message
- * @returns the message destination service (should not be freed)
+ * @returns the path (should not be freed)
*/
const char*
-dbus_message_get_destination (DBusMessage *message)
+dbus_message_get_path (DBusMessage *message)
{
_dbus_return_val_if_fail (message != NULL, NULL);
- return get_string_field (message, FIELD_SERVICE, NULL);
+ return get_string_field (message, DBUS_HEADER_FIELD_PATH, NULL);
}
/**
- * Appends fields to a message given a variable argument list. The
- * variable argument list should contain the type of the argument
- * followed by the value to add. Array values are specified by an int
- * typecode followed by a pointer to the array followed by an int
- * giving the length of the array. The argument list must be
- * terminated with #DBUS_TYPE_INVALID.
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL) in a decomposed
+ * format (one array element per path component).
+ * Free the returned array with dbus_free_string_array().
*
- * This function doesn't support dicts or non-fundamental arrays.
- *
- * This function supports #DBUS_TYPE_INT64 and #DBUS_TYPE_UINT64
- * only if #DBUS_HAVE_INT64 is defined.
+ * An empty but non-NULL path array means the path "/".
+ * So the path "/foo/bar" becomes { "foo", "bar", NULL }
+ * and the path "/" becomes { NULL }.
*
* @param message the message
- * @param first_arg_type type of the first argument
- * @param ... value of first argument, list of additional type-value pairs
- * @returns #TRUE on success
+ * @param path place to store allocated array of path components; #NULL set here if no path field exists
+ * @returns #FALSE if no memory to allocate the array
*/
dbus_bool_t
-dbus_message_append_args (DBusMessage *message,
- int first_arg_type,
- ...)
+dbus_message_get_path_decomposed (DBusMessage *message,
+ char ***path)
{
- dbus_bool_t retval;
- va_list var_args;
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (path != NULL, FALSE);
+
+ return get_path_field_decomposed (message,
+ DBUS_HEADER_FIELD_PATH,
+ path);
+}
+/**
+ * Sets the interface this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or
+ * the interface a signal is being emitted from
+ * (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @param interface the interface or #NULL to unset
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_interface (DBusMessage *message,
+ const char *interface)
+{
_dbus_return_val_if_fail (message != NULL, FALSE);
-
- va_start (var_args, first_arg_type);
- retval = dbus_message_append_args_valist (message,
- first_arg_type,
- var_args);
- va_end (var_args);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
- return retval;
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_INTERFACE,
+ DBUS_TYPE_STRING,
+ interface);
}
/**
- * This function takes a va_list for use by language bindings.
- * It's otherwise the same as dbus_message_append_args().
+ * Gets the interface this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ * The interface name is fully-qualified (namespaced).
*
- * @todo: Shouldn't this function clean up the changes to the message
- * on failures? (Yes)
+ * @param message the message
+ * @returns the message interface (should not be freed)
+ */
+const char*
+dbus_message_get_interface (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
- * @see dbus_message_append_args.
+ return get_string_field (message, DBUS_HEADER_FIELD_INTERFACE, NULL);
+}
+
+/**
+ * Sets the interface member being invoked
+ * (DBUS_MESSAGE_TYPE_METHOD_CALL) or emitted
+ * (DBUS_MESSAGE_TYPE_SIGNAL).
+ * The interface name is fully-qualified (namespaced).
+ *
* @param message the message
- * @param first_arg_type type of first argument
- * @param var_args value of first argument, then list of type/value pairs
- * @returns #TRUE on success
+ * @param member the member or #NULL to unset
+ * @returns #FALSE if not enough memory
*/
dbus_bool_t
-dbus_message_append_args_valist (DBusMessage *message,
- int first_arg_type,
- va_list var_args)
+dbus_message_set_member (DBusMessage *message,
+ const char *member)
{
- int type, old_len;
- DBusMessageIter iter;
-
_dbus_return_val_if_fail (message != NULL, FALSE);
-
- old_len = _dbus_string_get_length (&message->body);
-
- type = first_arg_type;
+ _dbus_return_val_if_fail (!message->locked, FALSE);
- dbus_message_append_iter_init (message, &iter);
-
- while (type != 0)
- {
- switch (type)
- {
- case DBUS_TYPE_NIL:
- if (!dbus_message_iter_append_nil (&iter))
- goto errorout;
- break;
- case DBUS_TYPE_BOOLEAN:
- if (!dbus_message_iter_append_boolean (&iter, va_arg (var_args, dbus_bool_t)))
- goto errorout;
- break;
- case DBUS_TYPE_INT32:
- if (!dbus_message_iter_append_int32 (&iter, va_arg (var_args, dbus_int32_t)))
- goto errorout;
- break;
- case DBUS_TYPE_UINT32:
- if (!dbus_message_iter_append_uint32 (&iter, va_arg (var_args, dbus_uint32_t)))
- goto errorout;
- break;
-#ifdef DBUS_HAVE_INT64
- case DBUS_TYPE_INT64:
- if (!dbus_message_iter_append_int64 (&iter, va_arg (var_args, dbus_int64_t)))
- goto errorout;
- break;
- case DBUS_TYPE_UINT64:
- if (!dbus_message_iter_append_uint64 (&iter, va_arg (var_args, dbus_uint64_t)))
- goto errorout;
- break;
-#endif /* DBUS_HAVE_INT64 */
- case DBUS_TYPE_DOUBLE:
- if (!dbus_message_iter_append_double (&iter, va_arg (var_args, double)))
- goto errorout;
- break;
- case DBUS_TYPE_STRING:
- if (!dbus_message_iter_append_string (&iter, va_arg (var_args, const char *)))
- goto errorout;
- break;
- case DBUS_TYPE_NAMED:
- {
- const char *name;
- unsigned char *data;
- int len;
-
- name = va_arg (var_args, const char *);
- data = va_arg (var_args, unsigned char *);
- len = va_arg (var_args, int);
-
- if (!dbus_message_iter_append_named (&iter, name, data, len))
- goto errorout;
- break;
- }
- case DBUS_TYPE_ARRAY:
- {
- void *data;
- int len, type;
-
- type = va_arg (var_args, int);
- data = va_arg (var_args, void *);
- len = va_arg (var_args, int);
-
- switch (type)
- {
- case DBUS_TYPE_BYTE:
- if (!dbus_message_iter_append_byte_array (&iter, (unsigned char *)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_BOOLEAN:
- if (!dbus_message_iter_append_boolean_array (&iter, (unsigned char *)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_INT32:
- if (!dbus_message_iter_append_int32_array (&iter, (dbus_int32_t *)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_UINT32:
- if (!dbus_message_iter_append_uint32_array (&iter, (dbus_uint32_t *)data, len))
- goto errorout;
- break;
-#ifdef DBUS_HAVE_INT64
- case DBUS_TYPE_INT64:
- if (!dbus_message_iter_append_int64_array (&iter, (dbus_int64_t *)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_UINT64:
- if (!dbus_message_iter_append_uint64_array (&iter, (dbus_uint64_t *)data, len))
- goto errorout;
- break;
-#endif /* DBUS_HAVE_INT64 */
- case DBUS_TYPE_DOUBLE:
- if (!dbus_message_iter_append_double_array (&iter, (double *)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_STRING:
- if (!dbus_message_iter_append_string_array (&iter, (const char **)data, len))
- goto errorout;
- break;
- case DBUS_TYPE_NIL:
- case DBUS_TYPE_ARRAY:
- case DBUS_TYPE_NAMED:
- case DBUS_TYPE_DICT:
- _dbus_warn ("dbus_message_append_args_valist doesn't support recursive arrays\n");
- goto errorout;
- default:
- _dbus_warn ("Unknown field type %d\n", type);
- goto errorout;
- }
- }
- break;
-
- case DBUS_TYPE_DICT:
- _dbus_warn ("dbus_message_append_args_valist doesn't support dicts\n");
- goto errorout;
- default:
- _dbus_warn ("Unknown field type %d\n", type);
- goto errorout;
- }
-
- type = va_arg (var_args, int);
- }
-
- return TRUE;
-
- errorout:
- return FALSE;
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ DBUS_TYPE_STRING,
+ member);
}
+/**
+ * Gets the interface member being invoked
+ * (DBUS_MESSAGE_TYPE_METHOD_CALL) or emitted
+ * (DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @returns the member name (should not be freed)
+ */
+const char*
+dbus_message_get_member (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ NULL);
+}
/**
- * Gets arguments from a message given a variable argument list.
- * The variable argument list should contain the type of the
- * argumen followed by a pointer to where the value should be
- * stored. The list is terminated with #DBUS_TYPE_INVALID.
+ * Sets the name of the error (DBUS_MESSAGE_TYPE_ERROR).
+ * The name is fully-qualified (namespaced).
*
* @param message the message
- * @param error error to be filled in on failure
- * @param first_arg_type the first argument type
- * @param ... location for first argument value, then list of type-location pairs
- * @returns #FALSE if the error was set
+ * @param error_name the name or #NULL to unset
+ * @returns #FALSE if not enough memory
*/
dbus_bool_t
-dbus_message_get_args (DBusMessage *message,
- DBusError *error,
- int first_arg_type,
- ...)
+dbus_message_set_error_name (DBusMessage *message,
+ const char *error_name)
{
- dbus_bool_t retval;
- va_list var_args;
-
_dbus_return_val_if_fail (message != NULL, FALSE);
- _dbus_return_val_if_error_is_set (error, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+ _dbus_return_val_if_fail (error_name == NULL || is_valid_error_name (error_name), FALSE);
- va_start (var_args, first_arg_type);
- retval = dbus_message_get_args_valist (message, error, first_arg_type, var_args);
- va_end (var_args);
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ DBUS_TYPE_STRING,
+ error_name);
+}
- return retval;
+/**
+ * Gets the error name (DBUS_MESSAGE_TYPE_ERROR only).
+ *
+ * @param message the message
+ * @returns the error name (should not be freed)
+ */
+const char*
+dbus_message_get_error_name (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ NULL);
}
/**
- * This function takes a va_list for use by language bindings
+ * Sets the message's destination service.
*
- * @todo We need to free the argument data when an error occurs.
- *
- * @see dbus_message_get_args
* @param message the message
- * @param error error to be filled in
- * @param first_arg_type type of the first argument
- * @param var_args return location for first argument, followed by list of type/location pairs
- * @returns #FALSE if error was set
+ * @param destination the destination service name or #NULL to unset
+ * @returns #FALSE if not enough memory
*/
dbus_bool_t
-dbus_message_get_args_valist (DBusMessage *message,
- DBusError *error,
- int first_arg_type,
- va_list var_args)
+dbus_message_set_destination (DBusMessage *message,
+ const char *destination)
{
- DBusMessageIter iter;
-
_dbus_return_val_if_fail (message != NULL, FALSE);
- _dbus_return_val_if_error_is_set (error, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_DESTINATION,
+ DBUS_TYPE_STRING,
+ destination);
+}
+
+/**
+ * Gets the destination service of a message.
+ *
+ * @param message the message
+ * @returns the message destination service (should not be freed)
+ */
+const char*
+dbus_message_get_destination (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
- dbus_message_iter_init (message, &iter);
- return dbus_message_iter_get_args_valist (&iter, error, first_arg_type, var_args);
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_DESTINATION,
+ NULL);
}
/**
- * Gets arguments from a message iterator given a variable argument list.
- * The variable argument list should contain the type of the
- * argumen followed by a pointer to where the value should be
- * stored. The list is terminated with 0.
+ * Appends fields to a message given a variable argument list. The
+ * variable argument list should contain the type of the argument
+ * followed by the value to add. Array values are specified by an int
+ * typecode followed by a pointer to the array followed by an int
+ * giving the length of the array. The argument list must be
+ * terminated with #DBUS_TYPE_INVALID.
*
- * @param iter the message iterator
- * @param error error to be filled in on failure
- * @param first_arg_type the first argument type
- * @param ... location for first argument value, then list of type-location pairs
- * @returns #FALSE if the error was set
+ * This function doesn't support dicts or non-fundamental arrays.
+ *
+ * This function supports #DBUS_TYPE_INT64 and #DBUS_TYPE_UINT64
+ * only if #DBUS_HAVE_INT64 is defined.
+ *
+ * @param message the message
+ * @param first_arg_type type of the first argument
+ * @param ... value of first argument, list of additional type-value pairs
+ * @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_get_args (DBusMessageIter *iter,
- DBusError *error,
- int first_arg_type,
- ...)
+dbus_message_append_args (DBusMessage *message,
+ int first_arg_type,
+ ...)
{
dbus_bool_t retval;
va_list var_args;
- _dbus_return_val_if_fail (iter != NULL, FALSE);
- _dbus_return_val_if_error_is_set (error, FALSE);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
va_start (var_args, first_arg_type);
- retval = dbus_message_iter_get_args_valist (iter, error, first_arg_type, var_args);
+ retval = dbus_message_append_args_valist (message,
+ first_arg_type,
+ var_args);
va_end (var_args);
return retval;
}
/**
- * This function takes a va_list for use by language bindings
- *
- * This function supports #DBUS_TYPE_INT64 and #DBUS_TYPE_UINT64
- * only if #DBUS_HAVE_INT64 is defined.
- *
- * @todo this function (or some lower-level non-convenience function)
- * needs better error handling; should allow the application to
- * distinguish between out of memory, and bad data from the remote
- * app. It also needs to not leak a bunch of args when it gets
- * to the arg that's bad, as that would be a security hole
- * (allow one app to force another to leak memory)
- *
- * @todo We need to free the argument data when an error occurs.
+ * Gets arguments from a message given a variable argument list.
+ * The variable argument list should contain the type of the
+ * argumen followed by a pointer to where the value should be
+ * stored. The list is terminated with #DBUS_TYPE_INVALID.
*
- * @see dbus_message_get_args
- * @param iter the message iter
- * @param error error to be filled in
- * @param first_arg_type type of the first argument
- * @param var_args return location for first argument, followed by list of type/location pairs
- * @returns #FALSE if error was set
+ * @param message the message
+ * @param error error to be filled in on failure
+ * @param first_arg_type the first argument type
+ * @param ... location for first argument value, then list of type-location pairs
+ * @returns #FALSE if the error was set
*/
dbus_bool_t
-dbus_message_iter_get_args_valist (DBusMessageIter *iter,
- DBusError *error,
- int first_arg_type,
- va_list var_args)
+dbus_message_get_args (DBusMessage *message,
+ DBusError *error,
+ int first_arg_type,
+ ...)
{
- int spec_type, msg_type, i;
dbus_bool_t retval;
+ va_list var_args;
- _dbus_return_val_if_fail (iter != NULL, FALSE);
- _dbus_return_val_if_error_is_set (error, FALSE);
-
- retval = FALSE;
-
- spec_type = first_arg_type;
- i = 0;
-
- while (spec_type != 0)
- {
- msg_type = dbus_message_iter_get_arg_type (iter);
-
- if (msg_type != spec_type)
- {
- dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
- "Argument %d is specified to be of type \"%s\", but "
- "is actually of type \"%s\"\n", i,
- _dbus_type_to_string (spec_type),
- _dbus_type_to_string (msg_type));
-
- goto out;
- }
-
- switch (spec_type)
- {
- case DBUS_TYPE_NIL:
- break;
- case DBUS_TYPE_BYTE:
- {
- unsigned char *ptr;
-
- ptr = va_arg (var_args, unsigned char *);
-
- *ptr = dbus_message_iter_get_byte (iter);
- break;
- }
- case DBUS_TYPE_BOOLEAN:
- {
- dbus_bool_t *ptr;
-
- ptr = va_arg (var_args, dbus_bool_t *);
-
- *ptr = dbus_message_iter_get_boolean (iter);
- break;
- }
- case DBUS_TYPE_INT32:
- {
- dbus_int32_t *ptr;
-
- ptr = va_arg (var_args, dbus_int32_t *);
-
- *ptr = dbus_message_iter_get_int32 (iter);
- break;
- }
- case DBUS_TYPE_UINT32:
- {
- dbus_uint32_t *ptr;
-
- ptr = va_arg (var_args, dbus_uint32_t *);
-
- *ptr = dbus_message_iter_get_uint32 (iter);
- break;
- }
-#ifdef DBUS_HAVE_INT64
- case DBUS_TYPE_INT64:
- {
- dbus_int64_t *ptr;
-
- ptr = va_arg (var_args, dbus_int64_t *);
-
- *ptr = dbus_message_iter_get_int64 (iter);
- break;
- }
- case DBUS_TYPE_UINT64:
- {
- dbus_uint64_t *ptr;
-
- ptr = va_arg (var_args, dbus_uint64_t *);
-
- *ptr = dbus_message_iter_get_uint64 (iter);
- break;
- }
-#endif /* DBUS_HAVE_INT64 */
-
- case DBUS_TYPE_DOUBLE:
- {
- double *ptr;
-
- ptr = va_arg (var_args, double *);
-
- *ptr = dbus_message_iter_get_double (iter);
- break;
- }
-
- case DBUS_TYPE_STRING:
- {
- char **ptr;
-
- ptr = va_arg (var_args, char **);
-
- *ptr = dbus_message_iter_get_string (iter);
-
- if (!*ptr)
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
-
- break;
- }
-
- case DBUS_TYPE_NAMED:
- {
- char **name;
- unsigned char **data;
- int *len;
-
- name = va_arg (var_args, char **);
- data = va_arg (var_args, unsigned char **);
- len = va_arg (var_args, int *);
-
- if (!dbus_message_iter_get_named (iter, name, data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- }
- break;
- case DBUS_TYPE_ARRAY:
- {
- void **data;
- int *len, type;
-
- type = va_arg (var_args, int);
- data = va_arg (var_args, void *);
- len = va_arg (var_args, int *);
-
- if (dbus_message_iter_get_array_type (iter) != type)
- {
- dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
- "Argument %d is specified to be of type \"array of %s\", but "
- "is actually of type \"array of %s\"\n", i,
- _dbus_type_to_string (type),
- _dbus_type_to_string (dbus_message_iter_get_array_type (iter)));
- goto out;
- }
-
- switch (type)
- {
- case DBUS_TYPE_BYTE:
- if (!dbus_message_iter_get_byte_array (iter, (unsigned char **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_BOOLEAN:
- if (!dbus_message_iter_get_boolean_array (iter, (unsigned char **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_INT32:
- if (!dbus_message_iter_get_int32_array (iter, (dbus_int32_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_UINT32:
- if (!dbus_message_iter_get_uint32_array (iter, (dbus_uint32_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
-#ifdef DBUS_HAVE_INT64
- case DBUS_TYPE_INT64:
- if (!dbus_message_iter_get_int64_array (iter, (dbus_int64_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_UINT64:
- if (!dbus_message_iter_get_uint64_array (iter, (dbus_uint64_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
-#endif /* DBUS_HAVE_INT64 */
- case DBUS_TYPE_DOUBLE:
- if (!dbus_message_iter_get_double_array (iter, (double **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_STRING:
- if (!dbus_message_iter_get_string_array (iter, (char ***)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
- break;
- case DBUS_TYPE_NIL:
- case DBUS_TYPE_ARRAY:
- case DBUS_TYPE_NAMED:
- case DBUS_TYPE_DICT:
- _dbus_warn ("dbus_message_get_args_valist doesn't support recursive arrays\n");
- dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
- goto out;
- default:
- _dbus_warn ("Unknown field type %d\n", type);
- dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
- goto out;
- }
- }
- break;
- case DBUS_TYPE_DICT:
- _dbus_warn ("dbus_message_get_args_valist doesn't support dicts\n");
- dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
- goto out;
- default:
- dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
- _dbus_warn ("Unknown field type %d\n", spec_type);
- goto out;
- }
-
- spec_type = va_arg (var_args, int);
- if (spec_type != 0 && !dbus_message_iter_next (iter))
- {
- dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
- "Message has only %d arguments, but more were expected", i);
- goto out;
- }
-
- i++;
- }
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_error_is_set (error, FALSE);
- retval = TRUE;
+ va_start (var_args, first_arg_type);
+ retval = dbus_message_get_args_valist (message, error, first_arg_type, var_args);
+ va_end (var_args);
+
+ return retval;
+}
+
+/**
+ * This function takes a va_list for use by language bindings
+ *
+ * @todo We need to free the argument data when an error occurs.
+ *
+ * @see dbus_message_get_args
+ * @param message the message
+ * @param error error to be filled in
+ * @param first_arg_type type of the first argument
+ * @param var_args return location for first argument, followed by list of type/location pairs
+ * @returns #FALSE if error was set
+ */
+dbus_bool_t
+dbus_message_get_args_valist (DBusMessage *message,
+ DBusError *error,
+ int first_arg_type,
+ va_list var_args)
+{
+ DBusMessageIter iter;
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_error_is_set (error, FALSE);
- out:
+ dbus_message_iter_init (message, &iter);
+ return dbus_message_iter_get_args_valist (&iter, error, first_arg_type, var_args);
+}
+
+/**
+ * Gets arguments from a message iterator given a variable argument list.
+ * The variable argument list should contain the type of the
+ * argumen followed by a pointer to where the value should be
+ * stored. The list is terminated with 0.
+ *
+ * @param iter the message iterator
+ * @param error error to be filled in on failure
+ * @param first_arg_type the first argument type
+ * @param ... location for first argument value, then list of type-location pairs
+ * @returns #FALSE if the error was set
+ */
+dbus_bool_t
+dbus_message_iter_get_args (DBusMessageIter *iter,
+ DBusError *error,
+ int first_arg_type,
+ ...)
+{
+ dbus_bool_t retval;
+ va_list var_args;
+
+ _dbus_return_val_if_fail (iter != NULL, FALSE);
+ _dbus_return_val_if_error_is_set (error, FALSE);
+ va_start (var_args, first_arg_type);
+ retval = dbus_message_iter_get_args_valist (iter, error, first_arg_type, var_args);
+ va_end (var_args);
+
return retval;
}
-
/**
* Initializes a DBusMessageIter representing the arguments of the
* message passed in.
*
* @param message the message
* @param iter pointer to an iterator to initialize
+ * @returns #FALSE if the message has no arguments
*/
-void
+dbus_bool_t
dbus_message_iter_init (DBusMessage *message,
DBusMessageIter *iter)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- _dbus_return_if_fail (message != NULL);
- _dbus_return_if_fail (iter != NULL);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (iter != NULL, FALSE);
_dbus_assert (sizeof (DBusMessageRealIter) <= sizeof (DBusMessageIter));
real->container_length_pos = 0;
real->wrote_dict_key = 0;
real->array_type_pos = 0;
+
+ return real->end > real->pos;
}
#ifndef DBUS_DISABLE_CHECKS
return pos;
}
+/* FIXME what are these _dbus_type_is_valid() checks for?
+ * haven't we validated the message?
+ */
static int
dbus_message_iter_get_data_start (DBusMessageRealIter *iter, int *type)
{
case DBUS_MESSAGE_ITER_TYPE_MESSAGE:
data = _dbus_string_get_const_data_len (&iter->message->body,
iter->pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
case DBUS_MESSAGE_ITER_TYPE_ARRAY:
data = _dbus_string_get_const_data_len (&iter->message->body,
iter->array_type_pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
data = _dbus_string_get_const_data_len (&iter->message->body,
pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
_dbus_return_val_if_fail (dbus_message_iter_check (real), DBUS_TYPE_INVALID);
if (real->pos >= real->end)
- return DBUS_TYPE_INVALID;
+ {
+ _dbus_verbose (" iterator at or beyond end of message\n");
+ return DBUS_TYPE_INVALID;
+ }
pos = dbus_message_iter_get_data_start (real, &type);
return type;
}
+/* FIXME why do we validate the typecode in here, hasn't the message
+ * already been verified?
+ */
static int
iter_get_array_type (DBusMessageRealIter *iter, int *array_type_pos)
{
data = _dbus_string_get_const_data_len (&iter->message->body,
_array_type_pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
return *data;
return DBUS_TYPE_INVALID;
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
int type, pos;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), DBUS_TYPE_INVALID);
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), DBUS_TYPE_INVALID);
+
+ if (real->pos >= real->end)
+ return DBUS_TYPE_INVALID;
+
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_ARRAY);
+
+ return iter_get_array_type (real, NULL);
+}
+
+
+/**
+ * Returns the string value that an iterator may point to.
+ * Note that you need to check that the iterator points to
+ * a string value before using this function.
+ *
+ * @see dbus_message_iter_get_arg_type
+ * @param iter the message iter
+ * @returns the string
+ */
+char *
+dbus_message_iter_get_string (DBusMessageIter *iter)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, pos;
+
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), NULL);
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_STRING);
+
+ return _dbus_demarshal_string (&real->message->body, real->message->byte_order,
+ pos, NULL);
+}
+
+/**
+ * Returns the object path value that an iterator may point to.
+ * Note that you need to check that the iterator points to
+ * an object path value before using this function.
+ *
+ * @see dbus_message_iter_get_arg_type
+ * @param iter the message iter
+ * @returns the path
+ */
+char *
+dbus_message_iter_get_object_path (DBusMessageIter *iter)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, pos;
+
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), NULL);
+
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_OBJECT_PATH);
+
+ return _dbus_demarshal_string (&real->message->body, real->message->byte_order,
+ pos, NULL);
+}
+
+/**
+ * Returns the name and data from a custom type that an iterator may
+ * point to. Note that you need to check that the iterator points to a
+ * custom type before using this function.
+ *
+ * @see dbus_message_iter_get_arg_type
+ * @param iter the message iter
+ * @param name return location for the name of the custom type
+ * @param value return location for data
+ * @param len return location for length of data
+ * @returns TRUE if get succeed
+ *
+ */
+dbus_bool_t
+dbus_message_iter_get_custom (DBusMessageIter *iter,
+ char **name,
+ unsigned char **value,
+ int *len)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, pos;
+ char *_name;
+
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_CUSTOM);
+
+ _name = _dbus_demarshal_string (&real->message->body, real->message->byte_order,
+ pos, &pos);
+
+ if (_name == NULL)
+ return FALSE;
+
+ if (!_dbus_demarshal_byte_array (&real->message->body, real->message->byte_order,
+ pos, NULL, value, len))
+ {
+ dbus_free (_name);
+ return FALSE;
+ }
+
+ *name = _name;
+
+ return TRUE;
+}
+
+static void
+_dbus_message_iter_get_basic_type (DBusMessageIter *iter,
+ char type,
+ void *value)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int item_type, pos;
+
+ _dbus_return_if_fail (dbus_message_iter_check (real));
+
+ pos = dbus_message_iter_get_data_start (real, &item_type);
+
+ _dbus_assert (type == item_type);
+
+ _dbus_demarshal_basic_type (&real->message->body,
+ type, value,
+ real->message->byte_order,
+ &pos);
+}
+
+
+/**
+ * This function takes a va_list for use by language bindings
+ *
+ * This function supports #DBUS_TYPE_INT64 and #DBUS_TYPE_UINT64
+ * only if #DBUS_HAVE_INT64 is defined.
+ *
+ * @todo this function (or some lower-level non-convenience function)
+ * needs better error handling; should allow the application to
+ * distinguish between out of memory, and bad data from the remote
+ * app. It also needs to not leak a bunch of args when it gets
+ * to the arg that's bad, as that would be a security hole
+ * (allow one app to force another to leak memory)
+ *
+ * @todo We need to free the argument data when an error occurs.
+ *
+ * @see dbus_message_get_args
+ * @param iter the message iter
+ * @param error error to be filled in
+ * @param first_arg_type type of the first argument
+ * @param var_args return location for first argument, followed by list of type/location pairs
+ * @returns #FALSE if error was set
+ */
+dbus_bool_t
+dbus_message_iter_get_args_valist (DBusMessageIter *iter,
+ DBusError *error,
+ int first_arg_type,
+ va_list var_args)
+{
+ int spec_type, msg_type, i;
+ dbus_bool_t retval;
+
+ _dbus_return_val_if_fail (iter != NULL, FALSE);
+ _dbus_return_val_if_error_is_set (error, FALSE);
+
+ retval = FALSE;
+
+ spec_type = first_arg_type;
+ i = 0;
+
+ while (spec_type != DBUS_TYPE_INVALID)
+ {
+ msg_type = dbus_message_iter_get_arg_type (iter);
+
+ if (msg_type != spec_type)
+ {
+ dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
+ "Argument %d is specified to be of type \"%s\", but "
+ "is actually of type \"%s\"\n", i,
+ _dbus_type_to_string (spec_type),
+ _dbus_type_to_string (msg_type));
+
+ goto out;
+ }
+
+ switch (spec_type)
+ {
+ case DBUS_TYPE_NIL:
+ break;
+ case DBUS_TYPE_BOOLEAN:
+ {
+ dbus_bool_t *ptr;
+
+ ptr = va_arg (var_args, dbus_bool_t *);
+
+ *ptr = dbus_message_iter_get_boolean (iter);
+ break;
+ }
+ case DBUS_TYPE_BYTE:
+ case DBUS_TYPE_INT32:
+ case DBUS_TYPE_UINT32:
+#ifdef DBUS_HAVE_INT64
+ case DBUS_TYPE_INT64:
+ case DBUS_TYPE_UINT64:
+#endif /* DBUS_HAVE_INT64 */
+ case DBUS_TYPE_DOUBLE:
+ {
+ void *ptr = va_arg (var_args, void *);
+ _dbus_message_iter_get_basic_type (iter, spec_type, ptr);
+ break;
+ }
+
+ case DBUS_TYPE_STRING:
+ {
+ char **ptr;
- if (real->pos >= real->end)
- return DBUS_TYPE_INVALID;
+ ptr = va_arg (var_args, char **);
- pos = dbus_message_iter_get_data_start (real, &type);
+ *ptr = dbus_message_iter_get_string (iter);
- _dbus_assert (type == DBUS_TYPE_ARRAY);
+ if (!*ptr)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto out;
+ }
+
+ break;
+ }
- return iter_get_array_type (real, NULL);
-}
+ case DBUS_TYPE_OBJECT_PATH:
+ {
+ char **ptr;
+ ptr = va_arg (var_args, char **);
-/**
- * Returns the string value that an iterator may point to.
- * Note that you need to check that the iterator points to
- * a string value before using this function.
- *
- * @see dbus_message_iter_get_arg_type
- * @param iter the message iter
- * @returns the string
- */
-char *
-dbus_message_iter_get_string (DBusMessageIter *iter)
-{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ *ptr = dbus_message_iter_get_object_path (iter);
- _dbus_return_val_if_fail (dbus_message_iter_check (real), NULL);
+ if (!*ptr)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto out;
+ }
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_STRING);
+ break;
+ }
- return _dbus_demarshal_string (&real->message->body, real->message->byte_order,
- pos, NULL);
-}
+ case DBUS_TYPE_CUSTOM:
+ {
+ char **name;
+ unsigned char **data;
+ int *len;
+
+ name = va_arg (var_args, char **);
+ data = va_arg (var_args, unsigned char **);
+ len = va_arg (var_args, int *);
-/**
- * Returns the name and data from a named type that an
- * iterator may point to. Note that you need to check that
- * the iterator points to a named type before using this
- * function.
- *
- * @see dbus_message_iter_get_arg_type
- * @param iter the message iter
- * @param name return location for the name
- * @param value return location for data
- * @param len return location for length of data
- * @returns TRUE if get succeed
- *
- */
-dbus_bool_t
-dbus_message_iter_get_named (DBusMessageIter *iter,
- char **name,
- unsigned char **value,
- int *len)
-{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
- char *_name;
+ if (!dbus_message_iter_get_custom (iter, name, data, len))
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto out;
+ }
+ }
+ break;
+ case DBUS_TYPE_ARRAY:
+ {
+ void **data;
+ int *len, type;
+ dbus_bool_t err = FALSE;
+
+ type = va_arg (var_args, int);
+ data = va_arg (var_args, void *);
+ len = va_arg (var_args, int *);
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+ _dbus_return_val_if_fail (data != NULL, FALSE);
+ _dbus_return_val_if_fail (len != NULL, FALSE);
+
+ if (dbus_message_iter_get_array_type (iter) != type)
+ {
+ dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
+ "Argument %d is specified to be of type \"array of %s\", but "
+ "is actually of type \"array of %s\"\n", i,
+ _dbus_type_to_string (type),
+ _dbus_type_to_string (dbus_message_iter_get_array_type (iter)));
+ goto out;
+ }
+
+ switch (type)
+ {
+ case DBUS_TYPE_BYTE:
+ err = !dbus_message_iter_get_byte_array (iter, (unsigned char **)data, len);
+ break;
+ case DBUS_TYPE_BOOLEAN:
+ err = !dbus_message_iter_get_boolean_array (iter, (unsigned char **)data, len);
+ break;
+ case DBUS_TYPE_INT32:
+ err = !dbus_message_iter_get_int32_array (iter, (dbus_int32_t **)data, len);
+ break;
+ case DBUS_TYPE_UINT32:
+ err = !dbus_message_iter_get_uint32_array (iter, (dbus_uint32_t **)data, len);
+ break;
+#ifdef DBUS_HAVE_INT64
+ case DBUS_TYPE_INT64:
+ err = !dbus_message_iter_get_int64_array (iter, (dbus_int64_t **)data, len);
+ break;
+ case DBUS_TYPE_UINT64:
+ err = !dbus_message_iter_get_uint64_array (iter, (dbus_uint64_t **)data, len);
+ break;
+#endif /* DBUS_HAVE_INT64 */
+ case DBUS_TYPE_DOUBLE:
+ err = !dbus_message_iter_get_double_array (iter, (double **)data, len);
+ break;
+ case DBUS_TYPE_STRING:
+ err = !dbus_message_iter_get_string_array (iter, (char ***)data, len);
+ break;
+ case DBUS_TYPE_OBJECT_PATH:
+ err = !dbus_message_iter_get_object_path_array (iter, (char ***)data, len);
+ break;
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_NAMED);
-
- _name = _dbus_demarshal_string (&real->message->body, real->message->byte_order,
- pos, &pos);
+ case DBUS_TYPE_NIL:
+ case DBUS_TYPE_ARRAY:
+ case DBUS_TYPE_CUSTOM:
+ case DBUS_TYPE_DICT:
+ _dbus_warn ("dbus_message_get_args_valist doesn't support recursive arrays\n");
+ dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
+ goto out;
+ default:
+ _dbus_warn ("Unknown field type %d\n", type);
+ dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
+ goto out;
+ }
+ if (err)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto out;
+ }
+ }
+ break;
+ case DBUS_TYPE_DICT:
+ _dbus_warn ("dbus_message_get_args_valist doesn't support dicts\n");
+ dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
+ goto out;
+ default:
+ dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
+ _dbus_warn ("Unknown field type %d\n", spec_type);
+ goto out;
+ }
- if (_name == NULL)
- return FALSE;
-
- if (!_dbus_demarshal_byte_array (&real->message->body, real->message->byte_order,
- pos + 1, NULL, value, len))
- {
- dbus_free (_name);
- return FALSE;
- }
+ spec_type = va_arg (var_args, int);
+ if (!dbus_message_iter_next (iter) && spec_type != DBUS_TYPE_INVALID)
+ {
+ dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
+ "Message has only %d arguments, but more were expected", i);
+ goto out;
+ }
- *name = _name;
+ i++;
+ }
- return TRUE;
+ retval = TRUE;
+
+ out:
+
+ return retval;
}
/**
unsigned char
dbus_message_iter_get_byte (DBusMessageIter *iter)
{
- unsigned char value;
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0);
+ unsigned char value = 0;
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_BYTE);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_BYTE, &value);
- value = _dbus_string_get_byte (&real->message->body, pos);
-
return value;
}
-
/**
* Returns the boolean value that an iterator may point to.
* Note that you need to check that the iterator points to
dbus_bool_t
dbus_message_iter_get_boolean (DBusMessageIter *iter)
{
- unsigned char value;
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+ unsigned char value = 0;
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_BOOLEAN);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_BOOLEAN, &value);
- value = _dbus_string_get_byte (&real->message->body, pos);
-
- return value;
+ return (value != FALSE);
}
/**
dbus_int32_t
dbus_message_iter_get_int32 (DBusMessageIter *iter)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ dbus_int32_t value = 0;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_INT32, &value);
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_INT32);
-
- return _dbus_demarshal_int32 (&real->message->body, real->message->byte_order,
- pos, NULL);
+ return value;
}
/**
dbus_uint32_t
dbus_message_iter_get_uint32 (DBusMessageIter *iter)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ dbus_int32_t value = 0;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_UINT32, &value);
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_UINT32);
-
- return _dbus_demarshal_uint32 (&real->message->body, real->message->byte_order,
- pos, NULL);
+ return value;
}
#ifdef DBUS_HAVE_INT64
dbus_int64_t
dbus_message_iter_get_int64 (DBusMessageIter *iter)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ dbus_int64_t value = 0;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_INT64, &value);
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_INT64);
-
- return _dbus_demarshal_int64 (&real->message->body, real->message->byte_order,
- pos, NULL);
+ return value;
}
/**
dbus_uint64_t
dbus_message_iter_get_uint64 (DBusMessageIter *iter)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ dbus_uint64_t value = 0;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_UINT64, &value);
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_UINT64);
-
- return _dbus_demarshal_uint64 (&real->message->body, real->message->byte_order,
- pos, NULL);
+ return value;
}
#endif /* DBUS_HAVE_INT64 */
double
dbus_message_iter_get_double (DBusMessageIter *iter)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ double value = 0.0;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), 0.0);
+ _dbus_message_iter_get_basic_type (iter, DBUS_TYPE_DOUBLE, &value);
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_DOUBLE);
-
- return _dbus_demarshal_double (&real->message->body, real->message->byte_order,
- pos, NULL);
+ return value;
}
/**
* @param iter the iterator
* @param array_iter pointer to an iterator to initialize
* @param array_type gets set to the type of the array elements
- * @returns #TRUE on success
+ * @returns #FALSE if the array is empty
*/
dbus_bool_t
dbus_message_iter_init_array_iterator (DBusMessageIter *iter,
if (array_type != NULL)
*array_type = _array_type;
-
- return TRUE;
+
+ return len > 0;
}
*
* @param iter the iterator
* @param dict_iter pointer to an iterator to initialize
- * @returns #TRUE on success
+ * @returns #FALSE if the dict is empty
*/
dbus_bool_t
dbus_message_iter_init_dict_iterator (DBusMessageIter *iter,
dict_real->container_length_pos = len_pos;
dict_real->wrote_dict_key = 0;
- return TRUE;
+ return len > 0;
}
-/**
- * Returns the byte array that the iterator may point to.
- * Note that you need to check that the iterator points
- * to a byte array prior to using this function.
- *
- * @param iter the iterator
- * @param value return location for array values
- * @param len return location for length of byte array
- * @returns #TRUE on success
- */
-dbus_bool_t
-dbus_message_iter_get_byte_array (DBusMessageIter *iter,
- unsigned char **value,
- int *len)
+static dbus_bool_t
+_dbus_message_iter_get_basic_type_array (DBusMessageIter *iter,
+ char type,
+ void **array,
+ int *array_len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
+ int item_type, pos;
_dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
- pos = dbus_message_iter_get_data_start (real, &type);
+ pos = dbus_message_iter_get_data_start (real, &item_type);
- _dbus_assert (type == DBUS_TYPE_ARRAY);
+ _dbus_assert (item_type == DBUS_TYPE_ARRAY);
- type = iter_get_array_type (real, NULL);
+ item_type = iter_get_array_type (real, NULL);
+
+ _dbus_assert (type == item_type);
- _dbus_assert (type == DBUS_TYPE_BYTE);
+ return _dbus_demarshal_basic_type_array (&real->message->body,
+ item_type, array, array_len,
+ real->message->byte_order, &pos);
+}
- if (!_dbus_demarshal_byte_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+/**
+ * Returns the byte array that the iterator may point to.
+ * Note that you need to check that the iterator points
+ * to a byte array prior to using this function.
+ *
+ * @param iter the iterator
+ * @param value return location for array values
+ * @param len return location for length of byte array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_get_byte_array (DBusMessageIter *iter,
+ unsigned char **value,
+ int *len)
+{
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_BYTE,
+ (void **) value, len);
}
/**
unsigned char **value,
int *len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
-
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_ARRAY);
-
- type = iter_get_array_type (real, NULL);
-
- _dbus_assert (type == DBUS_TYPE_BOOLEAN);
-
- if (!_dbus_demarshal_byte_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_BOOLEAN,
+ (void **) value, len);
}
/**
dbus_int32_t **value,
int *len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
-
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_ARRAY);
-
- type = iter_get_array_type (real, NULL);
-
- _dbus_assert (type == DBUS_TYPE_INT32);
-
- if (!_dbus_demarshal_int32_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_INT32,
+ (void **) value, len);
}
/**
dbus_uint32_t **value,
int *len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
-
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_ARRAY);
-
- type = iter_get_array_type (real, NULL);
- _dbus_assert (type == DBUS_TYPE_UINT32);
-
- if (!_dbus_demarshal_uint32_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_UINT32,
+ (void **) value, len);
}
#ifdef DBUS_HAVE_INT64
dbus_int64_t **value,
int *len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
-
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_ARRAY);
-
- type = iter_get_array_type (real, NULL);
-
- _dbus_assert (type == DBUS_TYPE_INT64);
-
- if (!_dbus_demarshal_int64_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_INT64,
+ (void **) value, len);
}
/**
dbus_uint64_t **value,
int *len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
- int type, pos;
-
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
-
- pos = dbus_message_iter_get_data_start (real, &type);
-
- _dbus_assert (type == DBUS_TYPE_ARRAY);
-
- type = iter_get_array_type (real, NULL);
- _dbus_assert (type == DBUS_TYPE_UINT64);
-
- if (!_dbus_demarshal_uint64_array (&real->message->body, real->message->byte_order,
- pos, NULL, value, len))
- return FALSE;
- else
- return TRUE;
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_UINT64,
+ (void **) value, len);
}
#endif /* DBUS_HAVE_INT64 */
double **value,
int *len)
{
+ return _dbus_message_iter_get_basic_type_array (iter, DBUS_TYPE_DOUBLE,
+ (void **) value, len);
+}
+
+/**
+ * Returns the string array that the iterator may point to.
+ * Note that you need to check that the iterator points
+ * to a string array prior to using this function.
+ *
+ * The returned value is a #NULL-terminated array of strings.
+ * Each string is a separate malloc block, and the array
+ * itself is a malloc block. You can free this type of
+ * string array with dbus_free_string_array().
+ *
+ * @param iter the iterator
+ * @param value return location for string values
+ * @param len return location for length of byte array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_get_string_array (DBusMessageIter *iter,
+ char ***value,
+ int *len)
+{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
int type, pos;
_dbus_assert (type == DBUS_TYPE_ARRAY);
type = iter_get_array_type (real, NULL);
- _dbus_assert (type == DBUS_TYPE_DOUBLE);
+ _dbus_assert (type == DBUS_TYPE_STRING);
- if (!_dbus_demarshal_double_array (&real->message->body, real->message->byte_order,
+ if (!_dbus_demarshal_string_array (&real->message->body, real->message->byte_order,
pos, NULL, value, len))
return FALSE;
else
}
/**
- * Returns the string array that the iterator may point to.
+ * Returns the object path array that the iterator may point to.
* Note that you need to check that the iterator points
- * to a byte array prior to using this function.
+ * to an object path array prior to using this function.
*
* The returned value is a #NULL-terminated array of strings.
* Each string is a separate malloc block, and the array
* itself is a malloc block. You can free this type of
- * string array with dbus_free_string_array().
+ * array with dbus_free_string_array().
*
* @param iter the iterator
* @param value return location for string values
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_get_string_array (DBusMessageIter *iter,
- char ***value,
- int *len)
+dbus_message_iter_get_object_path_array (DBusMessageIter *iter,
+ char ***value,
+ int *len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
int type, pos;
_dbus_assert (type == DBUS_TYPE_ARRAY);
type = iter_get_array_type (real, NULL);
- _dbus_assert (type == DBUS_TYPE_STRING);
+ _dbus_assert (type == DBUS_TYPE_OBJECT_PATH);
if (!_dbus_demarshal_string_array (&real->message->body, real->message->byte_order,
pos, NULL, value, len))
int type)
{
const char *data;
+
switch (iter->type)
{
case DBUS_MESSAGE_ITER_TYPE_MESSAGE:
if (!_dbus_string_append_byte (&iter->message->body, type))
- return FALSE;
+ return FALSE;
+
+ if (!_dbus_message_append_byte_to_signature (iter->message, type))
+ {
+ _dbus_string_shorten (&iter->message->body, 1);
+ return FALSE;
+ }
break;
case DBUS_MESSAGE_ITER_TYPE_ARRAY:
}
if (!_dbus_string_append_byte (&iter->message->body, type))
- return FALSE;
+ return FALSE;
break;
return TRUE;
}
-/**
- * Appends a boolean value to the message
- *
- * @param iter an iterator pointing to the end of the message
- * @param value the boolean value
- * @returns #TRUE on success
- */
-dbus_bool_t
-dbus_message_iter_append_boolean (DBusMessageIter *iter,
- dbus_bool_t value)
+static dbus_bool_t
+dbus_message_iter_append_basic (DBusMessageIter *iter,
+ char type,
+ void *value)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_BOOLEAN))
+ if (!dbus_message_iter_append_type (real, type))
return FALSE;
-
- if (!_dbus_string_append_byte (&real->message->body, (value != FALSE)))
+
+ if (!_dbus_marshal_basic_type (&real->message->body,
+ type, value,
+ real->message->byte_order))
{
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
dbus_message_iter_append_done (real);
- return TRUE;
+ return TRUE;
+}
+
+/**
+ * Appends a boolean value to the message
+ *
+ * @param iter an iterator pointing to the end of the message
+ * @param value the boolean value
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_boolean (DBusMessageIter *iter,
+ dbus_bool_t value)
+{
+ unsigned char val = (value != FALSE);
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_BOOLEAN, &val);
}
/**
dbus_message_iter_append_byte (DBusMessageIter *iter,
unsigned char value)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_BYTE))
- return FALSE;
-
- if (!_dbus_string_append_byte (&real->message->body, value))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_BYTE, &value);
}
-
/**
* Appends a 32 bit signed integer to the message.
*
dbus_message_iter_append_int32 (DBusMessageIter *iter,
dbus_int32_t value)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_INT32))
- return FALSE;
-
- if (!_dbus_marshal_int32 (&real->message->body, real->message->byte_order, value))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_INT32, &value);
}
/**
dbus_message_iter_append_uint32 (DBusMessageIter *iter,
dbus_uint32_t value)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_UINT32))
- return FALSE;
-
- if (!_dbus_marshal_uint32 (&real->message->body, real->message->byte_order, value))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_UINT32, &value);
}
#ifdef DBUS_HAVE_INT64
dbus_message_iter_append_int64 (DBusMessageIter *iter,
dbus_int64_t value)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_INT64))
- return FALSE;
-
- if (!_dbus_marshal_int64 (&real->message->body, real->message->byte_order, value))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_INT64, &value);
}
/**
dbus_message_iter_append_uint64 (DBusMessageIter *iter,
dbus_uint64_t value)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_UINT64))
- return FALSE;
-
- if (!_dbus_marshal_uint64 (&real->message->body, real->message->byte_order, value))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_UINT64, &value);
}
#endif /* DBUS_HAVE_INT64 */
dbus_message_iter_append_double (DBusMessageIter *iter,
double value)
{
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_DOUBLE, &value);
+}
+
+/**
+ * Appends a UTF-8 string to the message.
+ *
+ * @todo add return_val_if_fail(UTF-8 is valid)
+ *
+ * @param iter an iterator pointing to the end of the message
+ * @param value the string
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_string (DBusMessageIter *iter,
+ const char *value)
+{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_DOUBLE))
+
+ if (!dbus_message_iter_append_type (real, DBUS_TYPE_STRING))
return FALSE;
- if (!_dbus_marshal_double (&real->message->body, real->message->byte_order, value))
+ if (!_dbus_marshal_string (&real->message->body, real->message->byte_order, value))
{
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
}
/**
- * Appends a UTF-8 string to the message.
+ * Appends an object path to the message.
+ *
+ * @todo add return_val_if_fail(UTF-8 is valid)
*
* @param iter an iterator pointing to the end of the message
- * @param value the string
+ * @param value the object path
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_append_string (DBusMessageIter *iter,
- const char *value)
+dbus_message_iter_append_object_path (DBusMessageIter *iter,
+ const char *value)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_STRING))
+
+ if (!dbus_message_iter_append_type (real, DBUS_TYPE_OBJECT_PATH))
return FALSE;
if (!_dbus_marshal_string (&real->message->body, real->message->byte_order, value))
}
/**
- * Appends a named type data chunk to the message. A named
+ * Appends a custom type data chunk to the message. A custom
* type is simply an arbitrary UTF-8 string used as a type
* tag, plus an array of arbitrary bytes to be interpreted
* according to the type tag.
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_append_named (DBusMessageIter *iter,
- const char *name,
- const unsigned char *data,
- int len)
+dbus_message_iter_append_custom (DBusMessageIter *iter,
+ const char *name,
+ const unsigned char *data,
+ int len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_NAMED))
+ if (!dbus_message_iter_append_type (real, DBUS_TYPE_CUSTOM))
return FALSE;
if (!_dbus_marshal_string (&real->message->body, real->message->byte_order, name))
if (real->wrote_dict_key)
{
- _dbus_warn ("Appendinging multiple dict key names\n");
+ _dbus_warn ("Appending multiple dict key names\n");
return FALSE;
}
{
if (array_type_pos != NULL)
*array_type_pos = _dbus_string_get_length (&real->message->body);
+
+
+ if (!_dbus_message_append_byte_to_signature (real->message, element_type))
+ {
+ _dbus_string_set_length (&real->message->body, real->pos);
+ return FALSE;
+ }
/* Append element type */
if (!_dbus_string_append_byte (&real->message->body, element_type))
{
+ _dbus_message_remove_byte_from_signature (real->message);
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
}
if (element_type != DBUS_TYPE_ARRAY &&
!array_iter_type_mark_done (real))
- return FALSE;
+ {
+ _dbus_message_remove_byte_from_signature (real->message);
+ return FALSE;
+ }
}
return TRUE;
int len_pos;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
+
if (!dbus_message_iter_append_type (real, DBUS_TYPE_DICT))
- return FALSE;
-
+ return FALSE;
+
len_pos = _DBUS_ALIGN_VALUE (_dbus_string_get_length (&real->message->body), sizeof (dbus_uint32_t));
/* Empty length for now, backfill later */
dbus_message_iter_append_done (dict_real);
+ real->wrote_dict_key = FALSE;
+
return TRUE;
}
-
-/**
- * Appends a boolean array to the message.
- *
- * @param iter an iterator pointing to the end of the message
- * @param value the array
- * @param len the length of the array
- * @returns #TRUE on success
- */
-dbus_bool_t
-dbus_message_iter_append_boolean_array (DBusMessageIter *iter,
- unsigned const char *value,
- int len)
+static dbus_bool_t
+_dbus_message_iter_append_basic_array (DBusMessageIter *iter,
+ char type,
+ const void *value,
+ int len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!append_array_type (real, DBUS_TYPE_BOOLEAN, NULL, NULL))
+ if (!append_array_type (real, type, NULL, NULL))
return FALSE;
- if (!_dbus_marshal_byte_array (&real->message->body, real->message->byte_order, value, len))
+ if (!_dbus_marshal_basic_type_array (&real->message->body,
+ type, value, len,
+ real->message->byte_order))
{
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
return TRUE;
}
+
/**
- * Appends a 32 bit signed integer array to the message.
+ * This function takes a va_list for use by language bindings.
+ * It's otherwise the same as dbus_message_append_args().
*
- * @param iter an iterator pointing to the end of the message
- * @param value the array
- * @param len the length of the array
+ * @todo: Shouldn't this function clean up the changes to the message
+ * on failures? (Yes)
+
+ * @see dbus_message_append_args.
+ * @param message the message
+ * @param first_arg_type type of first argument
+ * @param var_args value of first argument, then list of type/value pairs
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_append_int32_array (DBusMessageIter *iter,
- const dbus_int32_t *value,
- int len)
+dbus_message_append_args_valist (DBusMessage *message,
+ int first_arg_type,
+ va_list var_args)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, old_len;
+ DBusMessageIter iter;
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+
+ old_len = _dbus_string_get_length (&message->body);
+
+ type = first_arg_type;
- if (!append_array_type (real, DBUS_TYPE_INT32, NULL, NULL))
- return FALSE;
+ dbus_message_append_iter_init (message, &iter);
- if (!_dbus_marshal_int32_array (&real->message->body, real->message->byte_order, value, len))
+ while (type != DBUS_TYPE_INVALID)
{
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
+ switch (type)
+ {
+ case DBUS_TYPE_NIL:
+ if (!dbus_message_iter_append_nil (&iter))
+ goto errorout;
+ break;
+ case DBUS_TYPE_BYTE:
+ /* FIXME if you pass an unsigned char to varargs it gets promoted to int,
+ * so probably we should read an int here.
+ */
+ if (!dbus_message_iter_append_byte (&iter, va_arg (var_args, unsigned char)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_BOOLEAN:
+ if (!dbus_message_iter_append_boolean (&iter, va_arg (var_args, dbus_bool_t)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_INT32:
+ /* FIXME this is probably wrong, because an int passed in probably gets
+ * converted to plain "int" not necessarily 32-bit.
+ */
+ if (!dbus_message_iter_append_int32 (&iter, va_arg (var_args, dbus_int32_t)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_UINT32:
+ /* FIXME this is probably wrong, because an int passed in probably gets
+ * converted to plain "int" not necessarily 32-bit.
+ */
+ if (!dbus_message_iter_append_uint32 (&iter, va_arg (var_args, dbus_uint32_t)))
+ goto errorout;
+ break;
+#ifdef DBUS_HAVE_INT64
+ case DBUS_TYPE_INT64:
+ if (!dbus_message_iter_append_int64 (&iter, va_arg (var_args, dbus_int64_t)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_UINT64:
+ if (!dbus_message_iter_append_uint64 (&iter, va_arg (var_args, dbus_uint64_t)))
+ goto errorout;
+ break;
+#endif /* DBUS_HAVE_INT64 */
+ case DBUS_TYPE_DOUBLE:
+ if (!dbus_message_iter_append_double (&iter, va_arg (var_args, double)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_STRING:
+ if (!dbus_message_iter_append_string (&iter, va_arg (var_args, const char *)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_OBJECT_PATH:
+ if (!dbus_message_iter_append_object_path (&iter, va_arg (var_args, const char*)))
+ goto errorout;
+ break;
+ case DBUS_TYPE_CUSTOM:
+ {
+ const char *name;
+ unsigned char *data;
+ int len;
+
+ name = va_arg (var_args, const char *);
+ data = va_arg (var_args, unsigned char *);
+ len = va_arg (var_args, int);
+
+ if (!dbus_message_iter_append_custom (&iter, name, data, len))
+ goto errorout;
+ break;
+ }
+ case DBUS_TYPE_ARRAY:
+ {
+ void *data;
+ int len, type;
+
+ type = va_arg (var_args, int);
+ data = va_arg (var_args, void *);
+ len = va_arg (var_args, int);
+
+ switch (type)
+ {
+ case DBUS_TYPE_BYTE:
+ case DBUS_TYPE_BOOLEAN:
+ case DBUS_TYPE_INT32:
+ case DBUS_TYPE_UINT32:
+#ifdef DBUS_HAVE_INT64
+ case DBUS_TYPE_INT64:
+ case DBUS_TYPE_UINT64:
+#endif /* DBUS_HAVE_INT64 */
+ case DBUS_TYPE_DOUBLE:
+ if (!_dbus_message_iter_append_basic_array (&iter, type, data, len))
+ goto errorout;
+ break;
+ case DBUS_TYPE_STRING:
+ if (!dbus_message_iter_append_string_array (&iter, (const char **)data, len))
+ goto errorout;
+ break;
+ case DBUS_TYPE_OBJECT_PATH:
+ if (!dbus_message_iter_append_object_path_array (&iter, (const char **)data, len))
+ goto errorout;
+ break;
+ case DBUS_TYPE_NIL:
+ case DBUS_TYPE_ARRAY:
+ case DBUS_TYPE_CUSTOM:
+ case DBUS_TYPE_DICT:
+ _dbus_warn ("dbus_message_append_args_valist doesn't support recursive arrays\n");
+ goto errorout;
+ default:
+ _dbus_warn ("Unknown field type %d\n", type);
+ goto errorout;
+ }
+ }
+ break;
+
+ case DBUS_TYPE_DICT:
+ _dbus_warn ("dbus_message_append_args_valist doesn't support dicts\n");
+ goto errorout;
+ default:
+ _dbus_warn ("Unknown field type %d\n", type);
+ goto errorout;
+ }
+
+ type = va_arg (var_args, int);
}
- dbus_message_iter_append_done (real);
-
return TRUE;
+
+ errorout:
+ return FALSE;
+}
+
+/**
+ * Appends a boolean array to the message.
+ *
+ * @param iter an iterator pointing to the end of the message
+ * @param value the array
+ * @param len the length of the array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_boolean_array (DBusMessageIter *iter,
+ unsigned const char *value,
+ int len)
+{
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_BOOLEAN,
+ value, len);
+}
+
+/**
+ * Appends a 32 bit signed integer array to the message.
+ *
+ * @param iter an iterator pointing to the end of the message
+ * @param value the array
+ * @param len the length of the array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_int32_array (DBusMessageIter *iter,
+ const dbus_int32_t *value,
+ int len)
+{
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_INT32,
+ value, len);
}
/**
const dbus_uint32_t *value,
int len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!append_array_type (real, DBUS_TYPE_UINT32, NULL, NULL))
- return FALSE;
-
- if (!_dbus_marshal_uint32_array (&real->message->body, real->message->byte_order, value, len))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_UINT32,
+ value, len);
}
#ifdef DBUS_HAVE_INT64
const dbus_int64_t *value,
int len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!append_array_type (real, DBUS_TYPE_INT64, NULL, NULL))
- return FALSE;
-
- if (!_dbus_marshal_int64_array (&real->message->body, real->message->byte_order, value, len))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_INT64,
+ value, len);
}
/**
const dbus_uint64_t *value,
int len)
{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!append_array_type (real, DBUS_TYPE_UINT64, NULL, NULL))
- return FALSE;
-
- if (!_dbus_marshal_uint64_array (&real->message->body, real->message->byte_order, value, len))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_UINT64,
+ value, len);
}
#endif /* DBUS_HAVE_INT64 */
*
* @param iter an iterator pointing to the end of the message
* @param value the array
- * @param len the length of the array
- * @returns #TRUE on success
- */
-dbus_bool_t
-dbus_message_iter_append_double_array (DBusMessageIter *iter,
- const double *value,
- int len)
-{
- DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
-
- _dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
- if (!append_array_type (real, DBUS_TYPE_DOUBLE, NULL, NULL))
- return FALSE;
-
- if (!_dbus_marshal_double_array (&real->message->body, real->message->byte_order, value, len))
- {
- _dbus_string_set_length (&real->message->body, real->pos);
- return FALSE;
- }
-
- dbus_message_iter_append_done (real);
-
- return TRUE;
+ * @param len the length of the array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_double_array (DBusMessageIter *iter,
+ const double *value,
+ int len)
+{
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_DOUBLE,
+ value, len);
}
/**
unsigned const char *value,
int len)
{
+ return _dbus_message_iter_append_basic_array (iter, DBUS_TYPE_BYTE,
+ value, len);
+}
+
+/**
+ * Appends a string array to the message.
+ *
+ * @param iter an iterator pointing to the end of the message
+ * @param value the array
+ * @param len the length of the array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_append_string_array (DBusMessageIter *iter,
+ const char **value,
+ int len)
+{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!append_array_type (real, DBUS_TYPE_BYTE, NULL, NULL))
+ if (!append_array_type (real, DBUS_TYPE_STRING, NULL, NULL))
return FALSE;
- if (!_dbus_marshal_byte_array (&real->message->body, real->message->byte_order, value, len))
+ if (!_dbus_marshal_string_array (&real->message->body, real->message->byte_order, value, len))
{
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
}
/**
- * Appends a string array to the message.
+ * Appends an object path array to the message.
*
* @param iter an iterator pointing to the end of the message
* @param value the array
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_append_string_array (DBusMessageIter *iter,
- const char **value,
- int len)
+dbus_message_iter_append_object_path_array (DBusMessageIter *iter,
+ const char **value,
+ int len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!append_array_type (real, DBUS_TYPE_STRING, NULL, NULL))
+ if (!append_array_type (real, DBUS_TYPE_OBJECT_PATH, NULL, NULL))
return FALSE;
if (!_dbus_marshal_string_array (&real->message->body, real->message->byte_order, value, len))
* Sets the message sender.
*
* @param message the message
- * @param sender the sender
+ * @param sender the sender or #NULL to unset
* @returns #FALSE if not enough memory
*/
dbus_bool_t
_dbus_return_val_if_fail (message != NULL, FALSE);
_dbus_return_val_if_fail (!message->locked, FALSE);
- if (sender == NULL)
- {
- delete_string_field (message, FIELD_SENDER);
- return TRUE;
- }
- else
- {
- return set_string_field (message,
- FIELD_SENDER,
- sender);
- }
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_SENDER,
+ DBUS_TYPE_STRING,
+ sender);
}
/**
return (*header & DBUS_HEADER_FLAG_NO_REPLY_EXPECTED) != 0;
}
+
+/**
+ * Sets a flag indicating that the addressed service will be auto-activated
+ * before the message is delivered. When this flag is set, the message is held
+ * until the service is succesfully activated or fail to activate. In case of
+ * failure, the reply will be an activation error.
+ *
+ * @param message the message
+ * @param auto_activation #TRUE if auto-activation is desired
+ */
+void
+dbus_message_set_auto_activation (DBusMessage *message,
+ dbus_bool_t auto_activation)
+{
+ char *header;
+
+ _dbus_return_if_fail (message != NULL);
+ _dbus_return_if_fail (!message->locked);
+
+ header = _dbus_string_get_data_len (&message->header, FLAGS_OFFSET, 1);
+
+ if (auto_activation)
+ *header |= DBUS_HEADER_FLAG_AUTO_ACTIVATION;
+ else
+ *header &= ~DBUS_HEADER_FLAG_AUTO_ACTIVATION;
+}
+
+/**
+ * Returns #TRUE if the message will cause the addressed service to be
+ * auto-activated.
+ *
+ * @param message the message
+ * @returns #TRUE if the message will use auto-activation
+ */
+dbus_bool_t
+dbus_message_get_auto_activation (DBusMessage *message)
+{
+ const char *header;
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+
+ header = _dbus_string_get_const_data_len (&message->header, FLAGS_OFFSET, 1);
+
+ return (*header & DBUS_HEADER_FLAG_AUTO_ACTIVATION) != 0;
+}
+
/**
* Gets the service which originated this message,
* or #NULL if unknown or inapplicable.
{
_dbus_return_val_if_fail (message != NULL, NULL);
- return get_string_field (message, FIELD_SENDER, NULL);
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_SENDER,
+ NULL);
+}
+
+/**
+ * Gets the type signature of the message, i.e. the arguments in the
+ * message payload. The signature includes only "in" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_CALL and only "out" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_RETURN, so is slightly different from
+ * what you might expect (it does not include the signature of the
+ * entire C++-style method).
+ *
+ * The signature is a string made up of type codes such
+ * as #DBUS_TYPE_STRING. The string is terminated with nul
+ * (nul is also the value of #DBUS_TYPE_INVALID).
+ *
+ * @param message the message
+ * @returns the type signature
+ */
+const char*
+dbus_message_get_signature (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL);
+}
+
+static dbus_bool_t
+_dbus_message_has_type_interface_member (DBusMessage *message,
+ int type,
+ const char *interface,
+ const char *method)
+{
+ const char *n;
+
+ _dbus_assert (message != NULL);
+ _dbus_assert (interface != NULL);
+ _dbus_assert (method != NULL);
+
+ if (dbus_message_get_type (message) != type)
+ return FALSE;
+
+ /* Optimize by checking the short method name first
+ * instead of the longer interface name
+ */
+
+ n = dbus_message_get_member (message);
+
+ if (n && strcmp (n, method) == 0)
+ {
+ n = dbus_message_get_interface (message);
+
+ if (n && strcmp (n, interface) == 0)
+ return TRUE;
+ }
+
+ return FALSE;
}
/**
- * Checks whether the message has the given name.
- * If the message has no name or has a different
- * name, returns #FALSE.
+ * Checks whether the message is a method call with the given
+ * interface and member fields. If the message is not
+ * #DBUS_MESSAGE_TYPE_METHOD_CALL, or has a different interface or member field,
+ * returns #FALSE.
*
* @param message the message
- * @param name the name to check (must not be #NULL)
+ * @param interface the name to check (must not be #NULL)
+ * @param method the name to check (must not be #NULL)
*
- * @returns #TRUE if the message has the given name
+ * @returns #TRUE if the message is the specified method call
*/
dbus_bool_t
-dbus_message_has_name (DBusMessage *message,
- const char *name)
+dbus_message_is_method_call (DBusMessage *message,
+ const char *interface,
+ const char *method)
{
- const char *n;
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (interface != NULL, FALSE);
+ _dbus_return_val_if_fail (method != NULL, FALSE);
+
+ return _dbus_message_has_type_interface_member (message,
+ DBUS_MESSAGE_TYPE_METHOD_CALL,
+ interface, method);
+}
+
+/**
+ * Checks whether the message is a signal with the given
+ * interface and member fields. If the message is not
+ * #DBUS_MESSAGE_TYPE_SIGNAL, or has a different interface or member field,
+ * returns #FALSE.
+ *
+ * @param message the message
+ * @param interface the name to check (must not be #NULL)
+ * @param signal_name the name to check (must not be #NULL)
+ *
+ * @returns #TRUE if the message is the specified signal
+ */
+dbus_bool_t
+dbus_message_is_signal (DBusMessage *message,
+ const char *interface,
+ const char *signal_name)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (interface != NULL, FALSE);
+ _dbus_return_val_if_fail (signal_name != NULL, FALSE);
+ return _dbus_message_has_type_interface_member (message,
+ DBUS_MESSAGE_TYPE_SIGNAL,
+ interface, signal_name);
+}
+
+/**
+ * Checks whether the message is an error reply with the given error
+ * name. If the message is not #DBUS_MESSAGE_TYPE_ERROR, or has a
+ * different name, returns #FALSE.
+ *
+ * @param message the message
+ * @param error_name the name to check (must not be #NULL)
+ *
+ * @returns #TRUE if the message is the specified error
+ */
+dbus_bool_t
+dbus_message_is_error (DBusMessage *message,
+ const char *error_name)
+{
+ const char *n;
+
_dbus_return_val_if_fail (message != NULL, FALSE);
- _dbus_return_val_if_fail (name != NULL, FALSE);
+ _dbus_return_val_if_fail (error_name != NULL, FALSE);
+ _dbus_return_val_if_fail (is_valid_error_name (error_name), FALSE);
- n = dbus_message_get_name (message);
+ if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_ERROR)
+ return FALSE;
+
+ n = dbus_message_get_error_name (message);
- if (n && strcmp (n, name) == 0)
+ if (n && strcmp (n, error_name) == 0)
return TRUE;
else
return FALSE;
{
const char *s;
- _dbus_assert (service != NULL);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (service != NULL, FALSE);
s = dbus_message_get_sender (message);
}
/**
+ * Checks whether the message has the given signature;
+ * see dbus_message_get_signature() for more details on
+ * what the signature looks like.
+ *
+ * @param message the message
+ * @param signature typecode array
+ * @returns #TRUE if message has the given signature
+*/
+dbus_bool_t
+dbus_message_has_signature (DBusMessage *message,
+ const char *signature)
+{
+ const char *s;
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (signature != NULL, FALSE);
+
+ s = dbus_message_get_signature (message);
+
+ if (s && strcmp (s, signature) == 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/**
* Sets a #DBusError based on the contents of the given
* message. The error is only set if the message
* is an error message, as in DBUS_MESSAGE_TYPE_ERROR.
DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID);
- dbus_set_error (error, dbus_message_get_name (message),
+ dbus_set_error (error, dbus_message_get_error_name (message),
str ? "%s" : NULL, str);
dbus_free (str);
* Increments the reference count of the loader.
*
* @param loader the loader.
+ * @returns the loader
*/
-void
+DBusMessageLoader *
_dbus_message_loader_ref (DBusMessageLoader *loader)
{
loader->refcount += 1;
+
+ return loader;
}
/**
*/
#define DBUS_MINIMUM_HEADER_SIZE 16
-/** Pack four characters as in "abcd" into a uint32 */
-#define FOUR_CHARS_TO_UINT32(a, b, c, d) \
- ((((dbus_uint32_t)a) << 24) | \
- (((dbus_uint32_t)b) << 16) | \
- (((dbus_uint32_t)c) << 8) | \
- ((dbus_uint32_t)d))
-
-/** DBUS_HEADER_FIELD_NAME packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_NAME_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('n', 'a', 'm', 'e')
-
-/** DBUS_HEADER_FIELD_SERVICE packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_SERVICE_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('s', 'r', 'v', 'c')
-
-/** DBUS_HEADER_FIELD_REPLY packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_REPLY_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('r', 'p', 'l', 'y')
-
-/** DBUS_HEADER_FIELD_SENDER Packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_SENDER_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('s', 'n', 'd', 'r')
-
static dbus_bool_t
decode_string_field (const DBusString *data,
- HeaderField fields[FIELD_LAST],
+ int field,
+ HeaderField *header_field,
+ DBusString *field_data,
int pos,
- int type,
- int field,
- const char *field_name)
+ int type)
{
- DBusString tmp;
int string_data_pos;
+
+ _dbus_assert (header_field != NULL);
+ _dbus_assert (field_data != NULL);
- if (fields[field].offset >= 0)
+ if (header_field->name_offset >= 0)
{
_dbus_verbose ("%s field provided twice\n",
- field_name);
+ _dbus_header_field_to_string (field));
return FALSE;
}
if (type != DBUS_TYPE_STRING)
{
_dbus_verbose ("%s field has wrong type %s\n",
- field_name, _dbus_type_to_string (type));
+ _dbus_header_field_to_string (field),
+ _dbus_type_to_string (type));
return FALSE;
}
string_data_pos = _DBUS_ALIGN_VALUE (pos, 4) + 4;
_dbus_assert (string_data_pos < _dbus_string_get_length (data));
- _dbus_string_init_const (&tmp,
+ _dbus_string_init_const (field_data,
_dbus_string_get_const_data (data) + string_data_pos);
- if (field == FIELD_NAME)
- {
- if (!_dbus_string_validate_name (&tmp, 0, _dbus_string_get_length (&tmp)))
- {
- _dbus_verbose ("%s field has invalid content \"%s\"\n",
- field_name, _dbus_string_get_const_data (&tmp));
- return FALSE;
- }
-
- if (_dbus_string_starts_with_c_str (&tmp,
- DBUS_NAMESPACE_LOCAL_MESSAGE))
- {
- _dbus_verbose ("Message is in the local namespace\n");
- return FALSE;
- }
- }
- else
- {
- if (!_dbus_string_validate_service (&tmp, 0, _dbus_string_get_length (&tmp)))
- {
- _dbus_verbose ("%s field has invalid content \"%s\"\n",
- field_name, _dbus_string_get_const_data (&tmp));
- return FALSE;
- }
- }
-
- fields[field].offset = _DBUS_ALIGN_VALUE (pos, 4);
+ header_field->name_offset = pos - 2;
+ header_field->value_offset = _DBUS_ALIGN_VALUE (pos, 4);
#if 0
- _dbus_verbose ("Found field %s name at offset %d\n",
- field_name, fields[field].offset);
+ _dbus_verbose ("Found field %s at offset %d\n",
+ _dbus_header_field_to_string (field),
+ header_field->value_offset);
#endif
return TRUE;
}
+/* FIXME because the service/interface/member/error names are already
+ * validated to be in the particular ASCII subset, UTF-8 validating
+ * them could be skipped as a probably-interesting optimization.
+ * The UTF-8 validation definitely shows up in profiles.
+ */
static dbus_bool_t
decode_header_data (const DBusString *data,
int header_len,
int byte_order,
- HeaderField fields[FIELD_LAST],
+ int message_type,
+ HeaderField fields[DBUS_HEADER_FIELD_LAST + 1],
int *message_padding)
{
- const char *field;
+ DBusString field_data;
int pos, new_pos;
int i;
+ int field;
int type;
+ dbus_bool_t signature_required;
if (header_len < 16)
- return FALSE;
+ {
+ _dbus_verbose ("Header length %d is too short\n", header_len);
+ return FALSE;
+ }
i = 0;
- while (i < FIELD_LAST)
+ while (i <= DBUS_HEADER_FIELD_LAST)
{
- fields[i].offset = -1;
+ fields[i].name_offset = -1;
+ fields[i].value_offset = -1;
++i;
}
- fields[FIELD_HEADER_LENGTH].offset = 4;
- fields[FIELD_BODY_LENGTH].offset = 8;
- fields[FIELD_CLIENT_SERIAL].offset = 12;
-
- /* Now handle the named fields. A real named field is at least 4
- * bytes for the name, plus a type code (1 byte) plus padding. So
- * if we have less than 8 bytes left, it must be alignment padding,
- * not a field. While >= 8 bytes can't be entirely alignment
- * padding.
- */
pos = 16;
- while ((pos + 7) < header_len)
+ while (pos < header_len)
{
- pos = _DBUS_ALIGN_VALUE (pos, 4);
-
- if ((pos + 4) > header_len)
- return FALSE;
-
- field =_dbus_string_get_const_data_len (data, pos, 4);
- pos += 4;
+ field = _dbus_string_get_byte (data, pos);
+ if (field == DBUS_HEADER_FIELD_INVALID)
+ break; /* Must be padding */
+ pos++;
- _dbus_assert (_DBUS_ALIGN_ADDRESS (field, 4) == field);
-
if (!_dbus_marshal_validate_type (data, pos, &type, &pos))
{
- _dbus_verbose ("Failed to validate type of named header field\n");
+ _dbus_verbose ("Failed to validate type of named header field pos = %d\n",
+ pos);
return FALSE;
}
if (!_dbus_marshal_validate_arg (data, byte_order, 0, type, -1, pos, &new_pos))
{
- _dbus_verbose ("Failed to validate argument to named header field\n");
+ _dbus_verbose ("Failed to validate argument to named header field pos = %d\n",
+ pos);
return FALSE;
}
return FALSE;
}
- switch (DBUS_UINT32_FROM_BE (*(int*)field))
+ switch (field)
{
- case DBUS_HEADER_FIELD_SERVICE_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_SERVICE,
- DBUS_HEADER_FIELD_SERVICE))
+ case DBUS_HEADER_FIELD_DESTINATION:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_service (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("service field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_INTERFACE:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
return FALSE;
+
+ if (!_dbus_string_validate_interface (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("interface field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+
+ if (_dbus_string_equal_c_str (&field_data,
+ DBUS_INTERFACE_ORG_FREEDESKTOP_LOCAL))
+ {
+ _dbus_verbose ("Message is on the local interface\n");
+ return FALSE;
+ }
break;
- case DBUS_HEADER_FIELD_NAME_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_NAME,
- DBUS_HEADER_FIELD_NAME))
+ case DBUS_HEADER_FIELD_MEMBER:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
return FALSE;
+
+ if (!_dbus_string_validate_member (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("member field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
break;
- case DBUS_HEADER_FIELD_SENDER_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_SENDER,
- DBUS_HEADER_FIELD_SENDER))
+ case DBUS_HEADER_FIELD_ERROR_NAME:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_error_name (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("error-name field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_SENDER:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
return FALSE;
+
+ if (!_dbus_string_validate_service (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("sender-service field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_PATH:
+
+ /* Path was already validated as part of standard
+ * type validation, since there's an OBJECT_PATH
+ * type.
+ */
+
+ if (fields[field].name_offset >= 0)
+ {
+ _dbus_verbose ("path field provided twice\n");
+ return FALSE;
+ }
+ if (type != DBUS_TYPE_OBJECT_PATH)
+ {
+ _dbus_verbose ("path field has wrong type\n");
+ return FALSE;
+ }
+
+ fields[field].name_offset = pos - 2;
+ fields[field].value_offset = _DBUS_ALIGN_VALUE (pos, 4);
+
+ /* No forging signals from the local path */
+ {
+ const char *s;
+ s = _dbus_string_get_const_data_len (data,
+ fields[field].value_offset,
+ _dbus_string_get_length (data) -
+ fields[field].value_offset);
+ if (strcmp (s, DBUS_PATH_ORG_FREEDESKTOP_LOCAL) == 0)
+ {
+ _dbus_verbose ("Message is on the local path\n");
+ return FALSE;
+ }
+ }
+
+ _dbus_verbose ("Found path at offset %d\n",
+ fields[field].value_offset);
break;
- case DBUS_HEADER_FIELD_REPLY_AS_UINT32:
- if (fields[FIELD_REPLY_SERIAL].offset >= 0)
+ case DBUS_HEADER_FIELD_REPLY_SERIAL:
+ if (fields[field].name_offset >= 0)
{
- _dbus_verbose ("%s field provided twice\n",
- DBUS_HEADER_FIELD_REPLY);
+ _dbus_verbose ("reply field provided twice\n");
return FALSE;
}
if (type != DBUS_TYPE_UINT32)
{
- _dbus_verbose ("%s field has wrong type\n", DBUS_HEADER_FIELD_REPLY);
+ _dbus_verbose ("reply field has wrong type\n");
return FALSE;
}
- fields[FIELD_REPLY_SERIAL].offset = _DBUS_ALIGN_VALUE (pos, 4);
-
- _dbus_verbose ("Found reply serial at offset %d\n",
- fields[FIELD_REPLY_SERIAL].offset);
+ fields[field].name_offset = pos - 2;
+ fields[field].value_offset = _DBUS_ALIGN_VALUE (pos, 4);
+
+ _dbus_verbose ("Found reply serial %u at offset %d\n",
+ _dbus_demarshal_uint32 (data,
+ byte_order,
+ fields[field].value_offset,
+ NULL),
+ fields[field].value_offset);
break;
+ case DBUS_HEADER_FIELD_SIGNATURE:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+#if 0
+ /* FIXME */
+ if (!_dbus_string_validate_signature (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("signature field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+#endif
+ break;
+
default:
- _dbus_verbose ("Ignoring an unknown header field: %.4s at offset %d\n",
+ _dbus_verbose ("Ignoring an unknown header field: %d at offset %d\n",
field, pos);
}
if (pos < header_len)
{
/* Alignment padding, verify that it's nul */
- _dbus_assert ((header_len - pos) < 8);
+ if ((header_len - pos) >= 8)
+ {
+ _dbus_verbose ("too much header alignment padding\n");
+ return FALSE;
+ }
if (!_dbus_string_validate_nul (data,
pos, (header_len - pos)))
}
}
- /* Name field is mandatory */
- if (fields[FIELD_NAME].offset < 0)
+ /* Depending on message type, enforce presence of certain fields. */
+ signature_required = TRUE;
+
+ switch (message_type)
{
- _dbus_verbose ("No %s field provided\n",
- DBUS_HEADER_FIELD_NAME);
- return FALSE;
+ case DBUS_MESSAGE_TYPE_SIGNAL:
+ case DBUS_MESSAGE_TYPE_METHOD_CALL:
+ if (fields[DBUS_HEADER_FIELD_PATH].value_offset < 0)
+ {
+ _dbus_verbose ("No path field provided\n");
+ return FALSE;
+ }
+ /* FIXME make this optional, only for method calls */
+ if (fields[DBUS_HEADER_FIELD_INTERFACE].value_offset < 0)
+ {
+ _dbus_verbose ("No interface field provided\n");
+ return FALSE;
+ }
+ if (fields[DBUS_HEADER_FIELD_MEMBER].value_offset < 0)
+ {
+ _dbus_verbose ("No member field provided\n");
+ return FALSE;
+ }
+ break;
+ case DBUS_MESSAGE_TYPE_ERROR:
+ if (fields[DBUS_HEADER_FIELD_ERROR_NAME].value_offset < 0)
+ {
+ _dbus_verbose ("No error-name field provided\n");
+ return FALSE;
+ }
+ if (fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset < 0)
+ {
+ _dbus_verbose ("No reply serial field provided in error\n");
+ return FALSE;
+ }
+ break;
+ case DBUS_MESSAGE_TYPE_METHOD_RETURN:
+ if (fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset < 0)
+ {
+ _dbus_verbose ("No reply serial field provided in method return\n");
+ return FALSE;
+ }
+ break;
+ default:
+ /* An unknown type, spec requires us to ignore it */
+ signature_required = FALSE;
+ break;
+ }
+
+ /* FIXME allow omitting signature field for a message with no arguments? */
+ if (signature_required)
+ {
+ if (fields[DBUS_HEADER_FIELD_SIGNATURE].value_offset < 0)
+ {
+ _dbus_verbose ("No signature field provided\n");
+ return FALSE;
+ }
}
if (message_padding)
loader->buffer_outstanding = FALSE;
}
+static dbus_bool_t
+load_one_message (DBusMessageLoader *loader,
+ int byte_order,
+ int message_type,
+ int header_len,
+ int body_len)
+{
+ DBusMessage *message;
+ HeaderField fields[DBUS_HEADER_FIELD_LAST + 1];
+ int i;
+ int next_arg;
+ dbus_bool_t oom;
+ int header_padding;
+
+ message = NULL;
+ oom = FALSE;
+
+#if 0
+ _dbus_verbose_bytes_of_string (&loader->data, 0, header_len /* + body_len */);
+#endif
+
+ if (!decode_header_data (&loader->data,
+ header_len, byte_order,
+ message_type,
+ fields, &header_padding))
+ {
+ _dbus_verbose ("Header was invalid\n");
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ next_arg = header_len;
+ while (next_arg < (header_len + body_len))
+ {
+ int type;
+ int prev = next_arg;
+
+ if (!_dbus_marshal_validate_type (&loader->data, next_arg,
+ &type, &next_arg))
+ {
+ _dbus_verbose ("invalid typecode at offset %d\n", prev);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ if (!_dbus_marshal_validate_arg (&loader->data,
+ byte_order,
+ 0,
+ type, -1,
+ next_arg,
+ &next_arg))
+ {
+ _dbus_verbose ("invalid type data at %d, next_arg\n", next_arg);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ _dbus_assert (next_arg > prev);
+ }
+
+ if (next_arg > (header_len + body_len))
+ {
+ _dbus_verbose ("end of last arg at %d but message has len %d+%d=%d\n",
+ next_arg, header_len, body_len,
+ header_len + body_len);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ message = dbus_message_new_empty_header ();
+ if (message == NULL)
+ {
+ _dbus_verbose ("Failed to allocate empty message\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ message->byte_order = byte_order;
+ message->header_padding = header_padding;
+
+ /* Copy in the offsets we found */
+ i = 0;
+ while (i <= DBUS_HEADER_FIELD_LAST)
+ {
+ message->header_fields[i] = fields[i];
+ ++i;
+ }
+
+ if (!_dbus_list_append (&loader->messages, message))
+ {
+ _dbus_verbose ("Failed to append new message to loader queue\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ _dbus_assert (_dbus_string_get_length (&message->header) == 0);
+ _dbus_assert (_dbus_string_get_length (&message->body) == 0);
+
+ _dbus_assert (_dbus_string_get_length (&loader->data) >=
+ (header_len + body_len));
+
+ if (!_dbus_string_move_len (&loader->data, 0, header_len, &message->header, 0))
+ {
+ _dbus_verbose ("Failed to move header into new message\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ if (!_dbus_string_move_len (&loader->data, 0, body_len, &message->body, 0))
+ {
+ _dbus_verbose ("Failed to move body into new message\n");
+
+ oom = TRUE;
+ goto failed;
+ }
+
+ _dbus_assert (_dbus_string_get_length (&message->header) == header_len);
+ _dbus_assert (_dbus_string_get_length (&message->body) == body_len);
+
+ /* Fill in caches (we checked the types of these fields
+ * earlier)
+ */
+ message->reply_serial = get_uint_field (message,
+ DBUS_HEADER_FIELD_REPLY_SERIAL);
+
+ message->client_serial = _dbus_demarshal_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ NULL);
+ if (message->client_serial == 0 ||
+ (message->header_fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset >= 0 && message->reply_serial == 0))
+ {
+ _dbus_verbose ("client_serial = %d reply_serial = %d, one of these no good\n",
+ message->client_serial,
+ message->reply_serial);
+
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ _dbus_verbose ("Loaded message %p\n", message);
+
+ _dbus_assert (!oom);
+ _dbus_assert (!loader->corrupted);
+
+ return TRUE;
+
+ failed:
+
+ /* Clean up */
+
+ if (message != NULL)
+ {
+ /* Put the data back so we can try again later if it was an OOM issue */
+ if (_dbus_string_get_length (&message->body) > 0)
+ {
+ dbus_bool_t result;
+
+ result = _dbus_string_copy_len (&message->body, 0, body_len,
+ &loader->data, 0);
+
+ _dbus_assert (result); /* because DBusString never reallocs smaller */
+ }
+
+ if (_dbus_string_get_length (&message->header) > 0)
+ {
+ dbus_bool_t result;
+
+ result = _dbus_string_copy_len (&message->header, 0, header_len,
+ &loader->data, 0);
+
+ _dbus_assert (result); /* because DBusString never reallocs smaller */
+ }
+
+ /* does nothing if the message isn't in the list */
+ _dbus_list_remove_last (&loader->messages, message);
+
+ dbus_message_unref (message);
+ }
+
+
+ return !oom;
+}
+
/**
* Converts buffered data into messages.
*
* @todo we need to check that the proper named header fields exist
* for each message type.
*
+ * @todo If a message has unknown type, we should probably eat it
+ * right here rather than passing it out to applications. However
+ * it's not an error to see messages of unknown type.
+ *
* @param loader the loader.
* @returns #TRUE if we had enough memory to finish.
*/
dbus_bool_t
_dbus_message_loader_queue_messages (DBusMessageLoader *loader)
{
- if (loader->corrupted)
- return TRUE;
-
- while (_dbus_string_get_length (&loader->data) >= 16)
+ while (!loader->corrupted && _dbus_string_get_length (&loader->data) >= 16)
{
- DBusMessage *message;
const char *header_data;
- int byte_order, message_type, header_len, body_len, header_padding;
+ int byte_order, message_type, header_len, body_len;
dbus_uint32_t header_len_unsigned, body_len_unsigned;
header_data = _dbus_string_get_const_data_len (&loader->data, 0, 16);
if (_dbus_string_get_length (&loader->data) >= (header_len + body_len))
{
- HeaderField fields[FIELD_LAST];
- int i;
- int next_arg;
-
-#if 0
- _dbus_verbose_bytes_of_string (&loader->data, 0, header_len + body_len);
-#endif
- if (!decode_header_data (&loader->data, header_len, byte_order,
- fields, &header_padding))
- {
- _dbus_verbose ("Header was invalid\n");
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- next_arg = header_len;
- while (next_arg < (header_len + body_len))
- {
- int type;
- int prev = next_arg;
-
- if (!_dbus_marshal_validate_type (&loader->data, next_arg,
- &type, &next_arg))
- {
- _dbus_verbose ("invalid typecode at offset %d\n", prev);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- if (!_dbus_marshal_validate_arg (&loader->data,
- byte_order,
- 0,
- type, -1,
- next_arg,
- &next_arg))
- {
- _dbus_verbose ("invalid type data at %d, next_arg\n", next_arg);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- _dbus_assert (next_arg > prev);
- }
-
- if (next_arg > (header_len + body_len))
- {
- _dbus_verbose ("end of last arg at %d but message has len %d+%d=%d\n",
- next_arg, header_len, body_len,
- header_len + body_len);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- message = dbus_message_new_empty_header ();
- if (message == NULL)
- {
- _dbus_verbose ("Failed to allocate empty message\n");
- return FALSE;
- }
-
- message->byte_order = byte_order;
- message->header_padding = header_padding;
-
- /* Copy in the offsets we found */
- i = 0;
- while (i < FIELD_LAST)
- {
- message->header_fields[i] = fields[i];
- ++i;
- }
-
- if (!_dbus_list_append (&loader->messages, message))
- {
- _dbus_verbose ("Failed to append new message to loader queue\n");
- dbus_message_unref (message);
- return FALSE;
- }
-
- _dbus_assert (_dbus_string_get_length (&message->header) == 0);
- _dbus_assert (_dbus_string_get_length (&message->body) == 0);
-
- _dbus_assert (_dbus_string_get_length (&loader->data) >=
- (header_len + body_len));
-
- if (!_dbus_string_move_len (&loader->data, 0, header_len, &message->header, 0))
- {
- _dbus_verbose ("Failed to move header into new message\n");
- _dbus_list_remove_last (&loader->messages, message);
- dbus_message_unref (message);
- return FALSE;
- }
-
- if (!_dbus_string_move_len (&loader->data, 0, body_len, &message->body, 0))
- {
- dbus_bool_t result;
-
- _dbus_verbose ("Failed to move body into new message\n");
-
- /* put the header back, we'll try again later */
- result = _dbus_string_copy_len (&message->header, 0, header_len,
- &loader->data, 0);
- _dbus_assert (result); /* because DBusString never reallocs smaller */
-
- _dbus_list_remove_last (&loader->messages, message);
- dbus_message_unref (message);
- return FALSE;
- }
-
- _dbus_assert (_dbus_string_get_length (&message->header) == header_len);
- _dbus_assert (_dbus_string_get_length (&message->body) == body_len);
-
- /* Fill in caches (we checked the types of these fields
- * earlier)
- */
- message->reply_serial = get_uint_field (message,
- FIELD_REPLY_SERIAL);
- message->client_serial = get_uint_field (message,
- FIELD_CLIENT_SERIAL);
-
- _dbus_verbose ("Loaded message %p\n", message);
+ if (!load_one_message (loader, byte_order, message_type,
+ header_len, body_len))
+ return FALSE;
}
else
return TRUE;
return res;
}
+/**
+ * Utility function to convert a machine-readable (not translated)
+ * string into a D-BUS message type.
+ *
+ * @code
+ * "method_call" -> DBUS_MESSAGE_TYPE_METHOD_CALL
+ * "method_return" -> DBUS_MESSAGE_TYPE_METHOD_RETURN
+ * "signal" -> DBUS_MESSAGE_TYPE_SIGNAL
+ * "error" -> DBUS_MESSAGE_TYPE_ERROR
+ * anything else -> DBUS_MESSAGE_TYPE_INVALID
+ * @endcode
+ *
+ */
+int
+dbus_message_type_from_string (const char *type_str)
+{
+ if (strcmp (type_str, "method_call") == 0)
+ return DBUS_MESSAGE_TYPE_METHOD_CALL;
+ if (strcmp (type_str, "method_return") == 0)
+ return DBUS_MESSAGE_TYPE_METHOD_RETURN;
+ else if (strcmp (type_str, "signal") == 0)
+ return DBUS_MESSAGE_TYPE_SIGNAL;
+ else if (strcmp (type_str, "error") == 0)
+ return DBUS_MESSAGE_TYPE_ERROR;
+ else
+ return DBUS_MESSAGE_TYPE_INVALID;
+}
+
/** @} */
#ifdef DBUS_BUILD_TESTS
#include "dbus-test.h"
#include <stdio.h>
+#include <stdlib.h>
static void
message_iter_test (DBusMessage *message)
{
- DBusMessageIter iter, dict, array, array2;
+ DBusMessageIter iter, dict, dict2, array, array2;
char *str;
unsigned char *data;
dbus_int32_t *our_int_array;
_dbus_assert_not_reached ("Array type not double");
- if (!dbus_message_iter_init_array_iterator (&iter, &array, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&iter, &array, NULL);
if (dbus_message_iter_get_arg_type (&array) != DBUS_TYPE_DOUBLE)
_dbus_assert_not_reached ("Argument type isn't double");
if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_DICT)
_dbus_assert_not_reached ("not dict type");
- if (!dbus_message_iter_init_dict_iterator (&iter, &dict))
- _dbus_assert_not_reached ("dict iter failed");
+ dbus_message_iter_init_dict_iterator (&iter, &dict);
str = dbus_message_iter_get_dict_key (&dict);
if (str == NULL || strcmp (str, "test") != 0)
if (dbus_message_iter_get_uint32 (&dict) != 0xDEADBEEF)
_dbus_assert_not_reached ("wrong dict entry value");
+ /* dict (in dict) */
+
+ if (!dbus_message_iter_next (&dict))
+ _dbus_assert_not_reached ("reached end of dict");
+
+ if (dbus_message_iter_get_arg_type (&dict) != DBUS_TYPE_DICT)
+ _dbus_assert_not_reached ("not dict type");
+
+ dbus_message_iter_init_dict_iterator (&dict, &dict2);
+
+ str = dbus_message_iter_get_dict_key (&dict2);
+ if (str == NULL || strcmp (str, "dictkey") != 0)
+ _dbus_assert_not_reached ("wrong dict key");
+ dbus_free (str);
+
+ if (dbus_message_iter_get_arg_type (&dict2) != DBUS_TYPE_STRING)
+ _dbus_assert_not_reached ("wrong dict entry type");
+
+ str = dbus_message_iter_get_string (&dict2);
+ if (str == NULL || strcmp (str, "dictvalue") != 0)
+ _dbus_assert_not_reached ("wrong dict entry value");
+ dbus_free (str);
+
+ if (dbus_message_iter_next (&dict2))
+ _dbus_assert_not_reached ("didn't reach end of dict");
+
if (!dbus_message_iter_next (&dict))
_dbus_assert_not_reached ("reached end of dict");
if (dbus_message_iter_get_array_type (&dict) != DBUS_TYPE_ARRAY)
_dbus_assert_not_reached ("Array type not array");
- if (!dbus_message_iter_init_array_iterator (&dict, &array, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&dict, &array, NULL);
if (dbus_message_iter_get_arg_type (&array) != DBUS_TYPE_ARRAY)
_dbus_assert_not_reached ("Argument type isn't array");
if (dbus_message_iter_get_array_type (&array) != DBUS_TYPE_INT32)
_dbus_assert_not_reached ("Array type not int32");
- if (!dbus_message_iter_init_array_iterator (&array, &array2, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&array, &array2, NULL);
if (dbus_message_iter_get_arg_type (&array2) != DBUS_TYPE_INT32)
_dbus_assert_not_reached ("Argument type isn't int32");
if (!dbus_message_iter_next (&iter))
_dbus_assert_not_reached ("Reached end of arguments");
- if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_NAMED)
+ if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_CUSTOM)
_dbus_assert_not_reached ("wrong type after dict");
- if (!dbus_message_iter_get_named (&iter, &str, &data, &len))
- _dbus_assert_not_reached ("failed to get named");
+ if (!dbus_message_iter_get_custom (&iter, &str, &data, &len))
+ _dbus_assert_not_reached ("failed to get custom type");
- _dbus_assert (strcmp (str, "named")==0);
+ _dbus_assert (strcmp (str, "MyTypeName")==0);
_dbus_assert (len == 5);
_dbus_assert (strcmp (data, "data")==0);
dbus_free (str);
dbus_free (data);
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_byte (&iter) != 0xF0)
+ _dbus_assert_not_reached ("wrong value after custom");
+
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY)
+ _dbus_assert_not_reached ("no array");
+
+ if (dbus_message_iter_get_array_type (&iter) != DBUS_TYPE_INT32)
+ _dbus_assert_not_reached ("Array type not int32");
+
+ if (dbus_message_iter_init_array_iterator (&iter, &array, NULL))
+ _dbus_assert_not_reached ("non empty array");
+
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_byte (&iter) != 0xF0)
+ _dbus_assert_not_reached ("wrong value after empty array");
+
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_DICT)
+ _dbus_assert_not_reached ("non dict");
+
+ if (dbus_message_iter_init_dict_iterator (&iter, &dict))
+ _dbus_assert_not_reached ("non empty dict");
+
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_byte (&iter) != 0xF0)
+ _dbus_assert_not_reached ("wrong value after empty dict");
+
if (dbus_message_iter_next (&iter))
_dbus_assert_not_reached ("Didn't reach end of arguments");
}
dbus_free (str);
}
break;
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_CUSTOM:
{
char *name;
unsigned char *data;
int len;
- if (!dbus_message_iter_get_named (iter, &name, &data, &len))
+ if (!dbus_message_iter_get_custom (iter, &name, &data, &len))
{
- _dbus_warn ("error reading name from named type\n");
+ _dbus_warn ("error reading name from custom type\n");
return FALSE;
}
dbus_free (data);
{
int array_type;
- if (!dbus_message_iter_init_array_iterator (iter, &child_iter, &array_type))
- {
- _dbus_warn ("Failed to init array iterator\n");
- return FALSE;
- }
+ dbus_message_iter_init_array_iterator (iter, &child_iter, &array_type);
while (dbus_message_iter_has_next (&child_iter))
{
int entry_type;
char *key;
- if (!dbus_message_iter_init_dict_iterator (iter, &child_iter))
- {
- _dbus_warn ("Failed to init dict iterator\n");
- return FALSE;
- }
+ dbus_message_iter_init_dict_iterator (iter, &child_iter);
while ((entry_type = dbus_message_iter_get_arg_type (&child_iter)) != DBUS_TYPE_INVALID)
{
client_serial = dbus_message_get_serial (message);
/* can't use set_serial due to the assertions at the start of it */
- set_uint_field (message, FIELD_CLIENT_SERIAL,
- client_serial);
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ client_serial);
if (client_serial != dbus_message_get_serial (message))
{
goto failed;
}
- printf ("Testing:\n");
+ printf ("Testing %s:\n", subdir);
next:
while (_dbus_directory_get_next_file (dir, &filename, &error))
printf (" %s\n",
_dbus_string_get_const_data (&filename));
- _dbus_verbose (" expecting %s\n",
+ _dbus_verbose (" expecting %s for %s\n",
validity == _DBUS_MESSAGE_VALID ? "valid" :
(validity == _DBUS_MESSAGE_INVALID ? "invalid" :
- (validity == _DBUS_MESSAGE_INCOMPLETE ? "incomplete" : "unknown")));
+ (validity == _DBUS_MESSAGE_INCOMPLETE ? "incomplete" : "unknown")),
+ _dbus_string_get_const_data (&filename));
if (! (*function) (&full_path, is_raw, validity, user_data))
{
_dbus_assert_not_reached ("integers differ!");
#ifdef DBUS_HAVE_INT64
- if (our_int64 != -0x123456789abcd)
+ if (our_int64 != DBUS_INT64_CONSTANT (-0x123456789abcd))
_dbus_assert_not_reached ("64-bit integers differ!");
- if (our_uint64 != 0x123456789abcd)
+ if (our_uint64 != DBUS_UINT64_CONSTANT (0x123456789abcd))
_dbus_assert_not_reached ("64-bit unsigned integers differ!");
#endif
_dbus_assert_not_reached ("bool array had wrong values");
dbus_free (our_boolean_array);
-
- if (!dbus_message_iter_next (&iter))
- _dbus_assert_not_reached ("Reached end of arguments");
if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_DICT)
_dbus_assert_not_reached ("not dict type");
- if (!dbus_message_iter_init_dict_iterator (&iter, &dict))
- _dbus_assert_not_reached ("dict iter failed");
+ dbus_message_iter_init_dict_iterator (&iter, &dict);
our_str = dbus_message_iter_get_dict_key (&dict);
if (our_str == NULL || strcmp (our_str, "test") != 0)
const double our_double_array[] = { 0.1234, 9876.54321, -300.0 };
const unsigned char our_byte_array[] = { 'a', 'b', 'c', 234 };
const unsigned char our_boolean_array[] = { TRUE, FALSE, TRUE, TRUE, FALSE };
+ char sig[64];
+ const char *s;
+ char *t;
+ DBusError error;
_dbus_assert (sizeof (DBusMessageRealIter) <= sizeof (DBusMessageIter));
- message = dbus_message_new_method_call ("test.Message", "org.freedesktop.DBus.Test");
- _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.Test"));
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
+ _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
+ _dbus_assert (dbus_message_is_method_call (message, "Foo.TestInterface",
+ "TestMethod"));
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/org/freedesktop/TestPath") == 0);
_dbus_message_set_serial (message, 1234);
- dbus_message_set_sender (message, "org.foo.bar");
- _dbus_assert (dbus_message_has_sender (message, "org.foo.bar"));
- dbus_message_set_sender (message, NULL);
- _dbus_assert (!dbus_message_has_sender (message, "org.foo.bar"));
+ /* string length including nul byte not a multiple of 4 */
+ if (!dbus_message_set_sender (message, "org.foo.bar1"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (dbus_message_has_sender (message, "org.foo.bar1"));
+ dbus_message_set_reply_serial (message, 5678);
+ if (!dbus_message_set_sender (message, NULL))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (!dbus_message_has_sender (message, "org.foo.bar1"));
_dbus_assert (dbus_message_get_serial (message) == 1234);
- _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.Test"));
+ _dbus_assert (dbus_message_get_reply_serial (message) == 5678);
+ _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
_dbus_assert (dbus_message_get_no_reply (message) == FALSE);
dbus_message_set_no_reply (message, TRUE);
_dbus_assert (dbus_message_get_no_reply (message) == TRUE);
dbus_message_set_no_reply (message, FALSE);
_dbus_assert (dbus_message_get_no_reply (message) == FALSE);
+
+ /* Set/get some header fields */
+
+ if (!dbus_message_set_path (message, "/foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo") == 0);
+
+ if (!dbus_message_set_member (message, "Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "Bar") == 0);
+
+ /* Set/get them with longer values */
+ if (!dbus_message_set_path (message, "/foo/bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo/bar") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo.Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo.Bar") == 0);
+
+ if (!dbus_message_set_member (message, "BarFoo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "BarFoo") == 0);
+
+ /* Realloc shorter again */
+
+ if (!dbus_message_set_path (message, "/foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo") == 0);
+
+ if (!dbus_message_set_member (message, "Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "Bar") == 0);
dbus_message_unref (message);
/* Test the vararg functions */
- message = dbus_message_new_method_call ("test.Message", "org.freedesktop.DBus.Test");
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
_dbus_message_set_serial (message, 1);
dbus_message_append_args (message,
DBUS_TYPE_INT32, -0x12345678,
#ifdef DBUS_HAVE_INT64
- DBUS_TYPE_INT64, -0x123456789abcd,
- DBUS_TYPE_UINT64, 0x123456789abcd,
+ DBUS_TYPE_INT64, DBUS_INT64_CONSTANT (-0x123456789abcd),
+ DBUS_TYPE_UINT64, DBUS_UINT64_CONSTANT (0x123456789abcd),
#endif
DBUS_TYPE_STRING, "Test string",
DBUS_TYPE_DOUBLE, 3.14159,
dbus_message_iter_append_dict_key (&child_iter, "test");
dbus_message_iter_append_uint32 (&child_iter, 0xDEADBEEF);
dbus_message_iter_append_uint32 (&iter, 0xCAFEBABE);
+
+ i = 0;
+ sig[i++] = DBUS_TYPE_INT32;
+#ifdef DBUS_HAVE_INT64
+ sig[i++] = DBUS_TYPE_INT64;
+ sig[i++] = DBUS_TYPE_UINT64;
+#endif
+ sig[i++] = DBUS_TYPE_STRING;
+ sig[i++] = DBUS_TYPE_DOUBLE;
+ sig[i++] = DBUS_TYPE_BOOLEAN;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_UINT32;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_INT32;
+#ifdef DBUS_HAVE_INT64
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_UINT64;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_INT64;
+#endif
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_STRING;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_DOUBLE;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_BYTE;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_BOOLEAN;
+ sig[i++] = DBUS_TYPE_DICT;
+ sig[i++] = DBUS_TYPE_UINT32;
+ sig[i++] = DBUS_TYPE_INVALID;
+
+ _dbus_assert (i < (int) _DBUS_N_ELEMENTS (sig));
_dbus_verbose_bytes_of_string (&message->header, 0,
_dbus_string_get_length (&message->header));
_dbus_verbose_bytes_of_string (&message->body, 0,
_dbus_string_get_length (&message->body));
-
+
+ _dbus_verbose ("Signature expected \"%s\" actual \"%s\"\n",
+ sig, dbus_message_get_signature (message));
+
+ s = dbus_message_get_signature (message);
+
+ _dbus_assert (dbus_message_has_signature (message, sig));
+ _dbus_assert (strcmp (s, sig) == 0);
+
verify_test_message (message);
copy = dbus_message_copy (message);
_dbus_assert (_dbus_string_get_length (&message->body) ==
_dbus_string_get_length (©->body));
-
+
verify_test_message (copy);
- name1 = dbus_message_get_name (message);
- name2 = dbus_message_get_name (copy);
+ name1 = dbus_message_get_interface (message);
+ name2 = dbus_message_get_interface (copy);
+
+ _dbus_assert (strcmp (name1, name2) == 0);
+
+ name1 = dbus_message_get_member (message);
+ name2 = dbus_message_get_member (copy);
_dbus_assert (strcmp (name1, name2) == 0);
- dbus_message_unref (message);
+ dbus_message_unref (message);
dbus_message_unref (copy);
-
- message = dbus_message_new_method_call ("test.Message", "org.freedesktop.DBus.Test");
+
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
+
_dbus_message_set_serial (message, 1);
dbus_message_set_reply_serial (message, 0x12345678);
dbus_message_iter_append_dict_key (&child_iter, "test");
dbus_message_iter_append_uint32 (&child_iter, 0xDEADBEEF);
+ /* dict (in dict) */
+ dbus_message_iter_append_dict_key (&child_iter, "testdict");
+ dbus_message_iter_append_dict (&child_iter, &child_iter2);
+
+ dbus_message_iter_append_dict_key (&child_iter2, "dictkey");
+ dbus_message_iter_append_string (&child_iter2, "dictvalue");
+
/* array of array of int32 (in dict) */
dbus_message_iter_append_dict_key (&child_iter, "array");
dbus_message_iter_append_array (&child_iter, &child_iter2, DBUS_TYPE_ARRAY);
dbus_message_iter_append_nil (&iter);
- dbus_message_iter_append_named (&iter, "named",
- "data", 5);
+ dbus_message_iter_append_custom (&iter, "MyTypeName",
+ "data", 5);
- message_iter_test (message);
+ dbus_message_iter_append_byte (&iter, 0xF0);
+
+ dbus_message_iter_append_array (&iter, &child_iter, DBUS_TYPE_INT32);
+
+ dbus_message_iter_append_byte (&iter, 0xF0);
+
+ dbus_message_iter_append_dict (&iter, &child_iter);
+ dbus_message_iter_append_byte (&iter, 0xF0);
+
+ message_iter_test (message);
+
/* Message loader test */
_dbus_message_lock (message);
loader = _dbus_message_loader_new ();
_dbus_message_loader_return_buffer (loader, buffer, 1);
}
+ copy = dbus_message_copy (message); /* save for tests below */
dbus_message_unref (message);
/* Now pop back the message */
dbus_message_unref (message);
_dbus_message_loader_unref (loader);
+ message = dbus_message_new_method_return (copy);
+ if (message == NULL)
+ _dbus_assert_not_reached ("out of memory\n");
+ dbus_message_unref (copy);
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_STRING, "hello",
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("no memory");
+
+ if (!dbus_message_has_signature (message, "s"))
+ _dbus_assert_not_reached ("method return has wrong signature");
+
+ dbus_error_init (&error);
+ if (!dbus_message_get_args (message, &error, DBUS_TYPE_STRING,
+ &t, DBUS_TYPE_INVALID))
+
+ {
+ _dbus_warn ("Failed to get expected string arg: %s\n", error.message);
+ exit (1);
+ }
+ dbus_free (t);
+
+ dbus_message_unref (message);
+
/* Now load every message in test_data_dir if we have one */
if (test_data_dir == NULL)
return TRUE;
projects / platform / upstream / dbus.git / blobdiff