--- /dev/null
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-message-factory.c Generator of valid and invalid message data for test suite
+ *
+ * Copyright (C) 2005 Red Hat Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <config.h>
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+
+#ifdef DBUS_BUILD_TESTS
+#include "dbus-message-factory.h"
+#include "dbus-message-private.h"
+#include "dbus-test.h"
+#include <stdio.h>
+
+typedef enum
+ {
+ CHANGE_TYPE_ADJUST,
+ CHANGE_TYPE_ABSOLUTE
+ } ChangeType;
+
+#define BYTE_ORDER_OFFSET 0
+#define TYPE_OFFSET 1
+#define BODY_LENGTH_OFFSET 4
+#define FIELDS_ARRAY_LENGTH_OFFSET 12
+
+static void
+iter_recurse (DBusMessageDataIter *iter)
+{
+ iter->depth += 1;
+ _dbus_assert (iter->depth < _DBUS_MESSAGE_DATA_MAX_NESTING);
+ _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
+}
+
+static int
+iter_get_sequence (DBusMessageDataIter *iter)
+{
+ _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
+ return iter->sequence_nos[iter->depth];
+}
+
+static void
+iter_set_sequence (DBusMessageDataIter *iter,
+ int sequence)
+{
+ _dbus_assert (sequence >= 0);
+ iter->sequence_nos[iter->depth] = sequence;
+}
+
+static void
+iter_unrecurse (DBusMessageDataIter *iter)
+{
+ iter->depth -= 1;
+ _dbus_assert (iter->depth >= 0);
+}
+
+static void
+iter_next (DBusMessageDataIter *iter)
+{
+ iter->sequence_nos[iter->depth] += 1;
+}
+
+static dbus_bool_t
+iter_first_in_series (DBusMessageDataIter *iter)
+{
+ int i;
+
+ i = iter->depth;
+ while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
+ {
+ if (iter->sequence_nos[i] != 0)
+ return FALSE;
+ ++i;
+ }
+ return TRUE;
+}
+
+typedef dbus_bool_t (* DBusInnerGeneratorFunc) (DBusMessageDataIter *iter,
+ DBusMessage **message_p);
+typedef dbus_bool_t (* DBusMessageGeneratorFunc) (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity);
+
+static void
+set_reply_serial (DBusMessage *message)
+{
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+ if (!dbus_message_set_reply_serial (message, 100))
+ _dbus_assert_not_reached ("oom");
+}
+
+static dbus_bool_t
+generate_trivial_inner (DBusMessageDataIter *iter,
+ DBusMessage **message_p)
+{
+ DBusMessage *message;
+
+ switch (iter_get_sequence (iter))
+ {
+ case 0:
+ message = dbus_message_new_method_call ("org.freedesktop.TextEditor",
+ "/foo/bar",
+ "org.freedesktop.DocumentFactory",
+ "Create");
+ break;
+ case 1:
+ message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
+ set_reply_serial (message);
+ break;
+ case 2:
+ message = dbus_message_new_signal ("/foo/bar",
+ "org.freedesktop.DocumentFactory",
+ "Created");
+ break;
+ case 3:
+ message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
+
+ if (!dbus_message_set_error_name (message,
+ "org.freedesktop.TestErrorName"))
+ _dbus_assert_not_reached ("oom");
+
+ {
+ DBusMessageIter iter;
+ const char *v_STRING = "This is an error";
+
+ dbus_message_iter_init_append (message, &iter);
+ if (!dbus_message_iter_append_basic (&iter,
+ DBUS_TYPE_STRING,
+ &v_STRING))
+ _dbus_assert_not_reached ("oom");
+ }
+
+ set_reply_serial (message);
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+
+ *message_p = message;
+
+ return TRUE;
+}
+
+static dbus_bool_t
+generate_many_bodies_inner (DBusMessageDataIter *iter,
+ DBusMessage **message_p)
+{
+ DBusMessage *message;
+ DBusString signature;
+ DBusString body;
+
+ /* Keeping this small makes things go faster */
+ message = dbus_message_new_method_call ("o.z.F",
+ "/",
+ "o.z.B",
+ "Nah");
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+
+ set_reply_serial (message);
+
+ if (!_dbus_string_init (&signature) || !_dbus_string_init (&body))
+ _dbus_assert_not_reached ("oom");
+
+ if (dbus_internal_do_not_use_generate_bodies (iter_get_sequence (iter),
+ message->byte_order,
+ &signature, &body))
+ {
+ const char *v_SIGNATURE;
+
+ v_SIGNATURE = _dbus_string_get_const_data (&signature);
+ if (!_dbus_header_set_field_basic (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_SIGNATURE,
+ &v_SIGNATURE))
+ _dbus_assert_not_reached ("oom");
+
+ if (!_dbus_string_move (&body, 0, &message->body, 0))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_marshal_set_uint32 (&message->header.data, BODY_LENGTH_OFFSET,
+ _dbus_string_get_length (&message->body),
+ message->byte_order);
+
+ *message_p = message;
+ }
+ else
+ {
+ dbus_message_unref (message);
+ *message_p = NULL;
+ }
+
+ _dbus_string_free (&signature);
+ _dbus_string_free (&body);
+
+ return *message_p != NULL;
+}
+
+static void
+generate_from_message (DBusString *data,
+ DBusValidity *expected_validity,
+ DBusMessage *message)
+{
+ dbus_message_set_serial (message, 1);
+ dbus_message_lock (message);
+
+ *expected_validity = DBUS_VALID;
+
+ /* move for efficiency, since we'll nuke the message anyway */
+ if (!_dbus_string_move (&message->header.data, 0,
+ data, 0))
+ _dbus_assert_not_reached ("oom");
+
+ if (!_dbus_string_copy (&message->body, 0,
+ data, _dbus_string_get_length (data)))
+ _dbus_assert_not_reached ("oom");
+}
+
+static dbus_bool_t
+generate_outer (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity,
+ DBusInnerGeneratorFunc func)
+{
+ DBusMessage *message;
+
+ message = NULL;
+ if (!(*func)(iter, &message))
+ return FALSE;
+
+ iter_next (iter);
+
+ _dbus_assert (message != NULL);
+
+ generate_from_message (data, expected_validity, message);
+
+ dbus_message_unref (message);
+
+ return TRUE;
+}
+
+static dbus_bool_t
+generate_trivial (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ return generate_outer (iter, data, expected_validity,
+ generate_trivial_inner);
+}
+
+static dbus_bool_t
+generate_many_bodies (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ return generate_outer (iter, data, expected_validity,
+ generate_many_bodies_inner);
+}
+
+static DBusMessage*
+simple_method_call (void)
+{
+ DBusMessage *message;
+ /* Keeping this small makes stuff go faster */
+ message = dbus_message_new_method_call ("o.b.Q",
+ "/f/b",
+ "o.b.Z",
+ "Fro");
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+ return message;
+}
+
+static DBusMessage*
+simple_signal (void)
+{
+ DBusMessage *message;
+ message = dbus_message_new_signal ("/f/b",
+ "o.b.Z",
+ "Fro");
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+ return message;
+}
+
+static DBusMessage*
+simple_method_return (void)
+{
+ DBusMessage *message;
+ message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+
+ set_reply_serial (message);
+
+ return message;
+}
+
+static DBusMessage*
+simple_error (void)
+{
+ DBusMessage *message;
+ message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
+ if (message == NULL)
+ _dbus_assert_not_reached ("oom");
+
+ if (!dbus_message_set_error_name (message, "foo.bar"))
+ _dbus_assert_not_reached ("oom");
+
+ set_reply_serial (message);
+
+ return message;
+}
+
+static dbus_bool_t
+generate_special (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int item_seq;
+ DBusMessage *message;
+ int pos;
+ dbus_int32_t v_INT32;
+
+ _dbus_assert (_dbus_string_get_length (data) == 0);
+
+ message = NULL;
+ pos = -1;
+ v_INT32 = 42;
+ item_seq = iter_get_sequence (iter);
+
+ if (item_seq == 0)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ /* set an invalid typecode */
+ _dbus_string_set_byte (data, pos + 1, '$');
+
+ *expected_validity = DBUS_INVALID_UNKNOWN_TYPECODE;
+ }
+ else if (item_seq == 1)
+ {
+ char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH+2];
+ const char *v_STRING;
+ int i;
+
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ i = 0;
+ while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
+ {
+ long_sig[i] = DBUS_TYPE_ARRAY;
+ ++i;
+ }
+ long_sig[i] = DBUS_TYPE_INVALID;
+
+ v_STRING = long_sig;
+ if (!_dbus_header_set_field_basic (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_SIGNATURE,
+ &v_STRING))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_ARRAY_RECURSION;
+ }
+ else if (item_seq == 2)
+ {
+ char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2+4];
+ const char *v_STRING;
+ int i;
+
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ i = 0;
+ while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
+ {
+ long_sig[i] = DBUS_STRUCT_BEGIN_CHAR;
+ ++i;
+ }
+
+ long_sig[i] = DBUS_TYPE_INT32;
+ ++i;
+
+ while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2 + 3))
+ {
+ long_sig[i] = DBUS_STRUCT_END_CHAR;
+ ++i;
+ }
+ long_sig[i] = DBUS_TYPE_INVALID;
+
+ v_STRING = long_sig;
+ if (!_dbus_header_set_field_basic (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_SIGNATURE,
+ &v_STRING))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_STRUCT_RECURSION;
+ }
+ else if (item_seq == 3)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
+
+ *expected_validity = DBUS_INVALID_STRUCT_STARTED_BUT_NOT_ENDED;
+ }
+ else if (item_seq == 4)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_END_CHAR);
+
+ *expected_validity = DBUS_INVALID_STRUCT_ENDED_BUT_NOT_STARTED;
+ }
+ else if (item_seq == 5)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
+ _dbus_string_set_byte (data, pos + 2, DBUS_STRUCT_END_CHAR);
+
+ *expected_validity = DBUS_INVALID_STRUCT_HAS_NO_FIELDS;
+ }
+ else if (item_seq == 6)
+ {
+ message = simple_method_call ();
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, TYPE_OFFSET, DBUS_MESSAGE_TYPE_INVALID);
+
+ *expected_validity = DBUS_INVALID_BAD_MESSAGE_TYPE;
+ }
+ else if (item_seq == 7)
+ {
+ /* Messages of unknown type are considered valid */
+ message = simple_method_call ();
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, TYPE_OFFSET, 100);
+
+ *expected_validity = DBUS_VALID;
+ }
+ else if (item_seq == 8)
+ {
+ message = simple_method_call ();
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
+ DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
+ message->byte_order);
+ _dbus_marshal_set_uint32 (data, FIELDS_ARRAY_LENGTH_OFFSET,
+ DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
+ message->byte_order);
+ *expected_validity = DBUS_INVALID_MESSAGE_TOO_LONG;
+ }
+ else if (item_seq == 9)
+ {
+ const char *v_STRING = "not a valid bus name";
+ message = simple_method_call ();
+
+ if (!_dbus_header_set_field_basic (&message->header,
+ DBUS_HEADER_FIELD_SENDER,
+ DBUS_TYPE_STRING, &v_STRING))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_BAD_SENDER;
+ }
+ else if (item_seq == 10)
+ {
+ message = simple_method_call ();
+
+ if (!dbus_message_set_interface (message, DBUS_INTERFACE_LOCAL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_USES_LOCAL_INTERFACE;
+ }
+ else if (item_seq == 11)
+ {
+ message = simple_method_call ();
+
+ if (!dbus_message_set_path (message, DBUS_PATH_LOCAL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_USES_LOCAL_PATH;
+ }
+ else if (item_seq == 12)
+ {
+ /* Method calls don't have to have interface */
+ message = simple_method_call ();
+
+ if (!dbus_message_set_interface (message, NULL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_VALID;
+ }
+ else if (item_seq == 13)
+ {
+ /* Signals require an interface */
+ message = simple_signal ();
+
+ if (!dbus_message_set_interface (message, NULL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_MISSING_INTERFACE;
+ }
+ else if (item_seq == 14)
+ {
+ message = simple_method_return ();
+
+ if (!_dbus_header_delete_field (&message->header, DBUS_HEADER_FIELD_REPLY_SERIAL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_MISSING_REPLY_SERIAL;
+ }
+ else if (item_seq == 15)
+ {
+ message = simple_error ();
+
+ if (!dbus_message_set_error_name (message, NULL))
+ _dbus_assert_not_reached ("oom");
+
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_MISSING_ERROR_NAME;
+ }
+ else if (item_seq == 16)
+ {
+ char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*4+10];
+ const char *v_STRING;
+ int i;
+ int n_begins;
+
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ i = 0;
+ while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*3 + 3))
+ {
+ long_sig[i] = DBUS_TYPE_ARRAY;
+ ++i;
+ long_sig[i] = DBUS_DICT_ENTRY_BEGIN_CHAR;
+ ++i;
+ long_sig[i] = DBUS_TYPE_INT32;
+ ++i;
+ }
+ n_begins = i / 3;
+
+ long_sig[i] = DBUS_TYPE_INT32;
+ ++i;
+
+ while (n_begins > 0)
+ {
+ long_sig[i] = DBUS_DICT_ENTRY_END_CHAR;
+ ++i;
+ n_begins -= 1;
+ }
+ long_sig[i] = DBUS_TYPE_INVALID;
+
+ v_STRING = long_sig;
+ if (!_dbus_header_set_field_basic (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ DBUS_TYPE_SIGNATURE,
+ &v_STRING))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_DICT_ENTRY_RECURSION;
+ }
+ else if (item_seq == 17)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
+ _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
+
+ *expected_validity = DBUS_INVALID_DICT_ENTRY_STARTED_BUT_NOT_ENDED;
+ }
+ else if (item_seq == 18)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_DICT_ENTRY_END_CHAR);
+
+ *expected_validity = DBUS_INVALID_DICT_ENTRY_ENDED_BUT_NOT_STARTED;
+ }
+ else if (item_seq == 19)
+ {
+ message = simple_method_call ();
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INT32, &v_INT32,
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("oom");
+
+ _dbus_header_get_field_raw (&message->header,
+ DBUS_HEADER_FIELD_SIGNATURE,
+ NULL, &pos);
+ generate_from_message (data, expected_validity, message);
+
+ _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
+ _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
+ _dbus_string_set_byte (data, pos + 3, DBUS_DICT_ENTRY_END_CHAR);
+
+ *expected_validity = DBUS_INVALID_DICT_ENTRY_HAS_NO_FIELDS;
+ }
+ else
+ {
+ return FALSE;
+ }
+
+ if (message)
+ dbus_message_unref (message);
+
+ iter_next (iter);
+ return TRUE;
+}
+
+static dbus_bool_t
+generate_wrong_length (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int lengths[] = { -42, -17, -16, -15, -9, -8, -7, -6, -5, -4, -3, -2, -1,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 30 };
+ int adjust;
+ int len_seq;
+
+ restart:
+ len_seq = iter_get_sequence (iter);
+ if (len_seq == _DBUS_N_ELEMENTS (lengths))
+ return FALSE;
+
+ _dbus_assert (len_seq < _DBUS_N_ELEMENTS (lengths));
+
+ iter_recurse (iter);
+ if (!generate_many_bodies (iter, data, expected_validity))
+ {
+ iter_set_sequence (iter, 0); /* reset to first body */
+ iter_unrecurse (iter);
+ iter_next (iter); /* next length adjustment */
+ goto restart;
+ }
+ iter_unrecurse (iter);
+
+ adjust = lengths[len_seq];
+
+ if (adjust < 0)
+ {
+ if ((_dbus_string_get_length (data) + adjust) < DBUS_MINIMUM_HEADER_SIZE)
+ _dbus_string_set_length (data, DBUS_MINIMUM_HEADER_SIZE);
+ else
+ _dbus_string_shorten (data, - adjust);
+ *expected_validity = DBUS_INVALID_FOR_UNKNOWN_REASON;
+ }
+ else
+ {
+ if (!_dbus_string_lengthen (data, adjust))
+ _dbus_assert_not_reached ("oom");
+ *expected_validity = DBUS_INVALID_TOO_MUCH_DATA;
+ }
+
+ /* Fixup lengths */
+ {
+ int old_body_len;
+ int new_body_len;
+ int byte_order;
+
+ _dbus_assert (_dbus_string_get_length (data) >= DBUS_MINIMUM_HEADER_SIZE);
+
+ byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
+ old_body_len = _dbus_marshal_read_uint32 (data,
+ BODY_LENGTH_OFFSET,
+ byte_order,
+ NULL);
+ _dbus_assert (old_body_len < _dbus_string_get_length (data));
+ new_body_len = old_body_len + adjust;
+ if (new_body_len < 0)
+ {
+ new_body_len = 0;
+ /* we just munged the header, and aren't sure how */
+ *expected_validity = DBUS_VALIDITY_UNKNOWN;
+ }
+
+ _dbus_verbose ("changing body len from %u to %u by adjust %d\n",
+ old_body_len, new_body_len, adjust);
+
+ _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
+ new_body_len,
+ byte_order);
+ }
+
+ return TRUE;
+}
+
+static dbus_bool_t
+generate_byte_changed (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int byte_seq;
+ int v_BYTE;
+
+ /* This is a little convoluted to make the bodies the
+ * outer loop and each byte of each body the inner
+ * loop
+ */
+
+ restart:
+ if (!generate_many_bodies (iter, data, expected_validity))
+ return FALSE;
+
+ iter_recurse (iter);
+ byte_seq = iter_get_sequence (iter);
+ iter_next (iter);
+ iter_unrecurse (iter);
+
+ if (byte_seq == _dbus_string_get_length (data))
+ {
+ _dbus_string_set_length (data, 0);
+ /* reset byte count */
+ iter_recurse (iter);
+ iter_set_sequence (iter, 0);
+ iter_unrecurse (iter);
+ goto restart;
+ }
+ else
+ {
+ /* Undo the "next" in generate_many_bodies */
+ iter_set_sequence (iter, iter_get_sequence (iter) - 1);
+ }
+
+ _dbus_assert (byte_seq < _dbus_string_get_length (data));
+ v_BYTE = _dbus_string_get_byte (data, byte_seq);
+ v_BYTE += byte_seq; /* arbitrary but deterministic change to the byte */
+ _dbus_string_set_byte (data, byte_seq, v_BYTE);
+ *expected_validity = DBUS_VALIDITY_UNKNOWN;
+
+ return TRUE;
+}
+
+static dbus_bool_t
+find_next_typecode (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int body_seq;
+ int byte_seq;
+ int base_depth;
+
+ base_depth = iter->depth;
+
+ restart:
+ _dbus_assert (iter->depth == (base_depth + 0));
+ _dbus_string_set_length (data, 0);
+
+ body_seq = iter_get_sequence (iter);
+
+ if (!generate_many_bodies (iter, data, expected_validity))
+ return FALSE;
+ /* Undo the "next" in generate_many_bodies */
+ iter_set_sequence (iter, body_seq);
+
+ iter_recurse (iter);
+ while (TRUE)
+ {
+ _dbus_assert (iter->depth == (base_depth + 1));
+
+ byte_seq = iter_get_sequence (iter);
+
+ _dbus_assert (byte_seq <= _dbus_string_get_length (data));
+
+ if (byte_seq == _dbus_string_get_length (data))
+ {
+ /* reset byte count */
+ iter_set_sequence (iter, 0);
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 0));
+ iter_next (iter); /* go to the next body */
+ goto restart;
+ }
+
+ _dbus_assert (byte_seq < _dbus_string_get_length (data));
+
+ if (_dbus_type_is_valid (_dbus_string_get_byte (data, byte_seq)))
+ break;
+ else
+ iter_next (iter);
+ }
+
+ _dbus_assert (byte_seq == iter_get_sequence (iter));
+ _dbus_assert (byte_seq < _dbus_string_get_length (data));
+
+ iter_unrecurse (iter);
+
+ _dbus_assert (iter->depth == (base_depth + 0));
+
+ return TRUE;
+}
+
+static const int typecodes[] = {
+ DBUS_TYPE_INVALID,
+ DBUS_TYPE_BYTE,
+ DBUS_TYPE_BOOLEAN,
+ DBUS_TYPE_INT16,
+ DBUS_TYPE_UINT16,
+ DBUS_TYPE_INT32,
+ DBUS_TYPE_UINT32,
+ DBUS_TYPE_INT64,
+ DBUS_TYPE_UINT64,
+ DBUS_TYPE_DOUBLE,
+ DBUS_TYPE_STRING,
+ DBUS_TYPE_OBJECT_PATH,
+ DBUS_TYPE_SIGNATURE,
+ DBUS_TYPE_ARRAY,
+ DBUS_TYPE_VARIANT,
+ DBUS_STRUCT_BEGIN_CHAR,
+ DBUS_STRUCT_END_CHAR,
+ DBUS_DICT_ENTRY_BEGIN_CHAR,
+ DBUS_DICT_ENTRY_END_CHAR,
+ 255 /* random invalid typecode */
+};
+
+static dbus_bool_t
+generate_typecode_changed (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int byte_seq;
+ int typecode_seq;
+ int base_depth;
+
+ base_depth = iter->depth;
+
+ restart:
+ _dbus_assert (iter->depth == (base_depth + 0));
+ _dbus_string_set_length (data, 0);
+
+ if (!find_next_typecode (iter, data, expected_validity))
+ return FALSE;
+
+ iter_recurse (iter);
+ byte_seq = iter_get_sequence (iter);
+
+ _dbus_assert (byte_seq < _dbus_string_get_length (data));
+
+ iter_recurse (iter);
+ typecode_seq = iter_get_sequence (iter);
+ iter_next (iter);
+
+ _dbus_assert (typecode_seq <= _DBUS_N_ELEMENTS (typecodes));
+
+ if (typecode_seq == _DBUS_N_ELEMENTS (typecodes))
+ {
+ _dbus_assert (iter->depth == (base_depth + 2));
+ iter_set_sequence (iter, 0); /* reset typecode sequence */
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 1));
+ iter_next (iter); /* go to the next byte_seq */
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 0));
+ goto restart;
+ }
+
+ _dbus_assert (iter->depth == (base_depth + 2));
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 1));
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 0));
+
+#if 0
+ printf ("Changing byte %d in message %d to %c\n",
+ byte_seq, iter_get_sequence (iter), typecodes[typecode_seq]);
+#endif
+
+ _dbus_string_set_byte (data, byte_seq, typecodes[typecode_seq]);
+ *expected_validity = DBUS_VALIDITY_UNKNOWN;
+ return TRUE;
+}
+
+typedef struct
+{
+ ChangeType type;
+ dbus_uint32_t value; /* cast to signed for adjusts */
+} UIntChange;
+
+static const UIntChange uint32_changes[] = {
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -1 },
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -2 },
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -3 },
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 1 },
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 2 },
+ { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 3 },
+ { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX },
+ { CHANGE_TYPE_ABSOLUTE, 0 },
+ { CHANGE_TYPE_ABSOLUTE, 1 },
+ { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 1 },
+ { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 5 }
+};
+
+static dbus_bool_t
+generate_uint32_changed (DBusMessageDataIter *iter,
+ DBusString *data,
+ DBusValidity *expected_validity)
+{
+ int body_seq;
+ int byte_seq;
+ int change_seq;
+ dbus_uint32_t v_UINT32;
+ int byte_order;
+ const UIntChange *change;
+ int base_depth;
+
+ /* Outer loop is each body, next loop is each change,
+ * inner loop is each change location
+ */
+
+ base_depth = iter->depth;
+
+ next_body:
+ _dbus_assert (iter->depth == (base_depth + 0));
+ _dbus_string_set_length (data, 0);
+ body_seq = iter_get_sequence (iter);
+
+ if (!generate_many_bodies (iter, data, expected_validity))
+ return FALSE;
+
+ _dbus_assert (iter->depth == (base_depth + 0));
+
+ iter_set_sequence (iter, body_seq); /* undo the "next" from generate_many_bodies */
+ iter_recurse (iter);
+ next_change:
+ _dbus_assert (iter->depth == (base_depth + 1));
+ change_seq = iter_get_sequence (iter);
+
+ if (change_seq == _DBUS_N_ELEMENTS (uint32_changes))
+ {
+ /* Reset change count */
+ iter_set_sequence (iter, 0);
+ iter_unrecurse (iter);
+ iter_next (iter);
+ goto next_body;
+ }
+
+ _dbus_assert (iter->depth == (base_depth + 1));
+
+ iter_recurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 2));
+ byte_seq = iter_get_sequence (iter);
+ /* skip 4 bytes at a time */
+ iter_next (iter);
+ iter_next (iter);
+ iter_next (iter);
+ iter_next (iter);
+ iter_unrecurse (iter);
+
+ _dbus_assert (_DBUS_ALIGN_VALUE (byte_seq, 4) == (unsigned) byte_seq);
+ if (byte_seq >= (_dbus_string_get_length (data) - 4))
+ {
+ /* reset byte count */
+ _dbus_assert (iter->depth == (base_depth + 1));
+ iter_recurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 2));
+ iter_set_sequence (iter, 0);
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 1));
+ iter_next (iter);
+ goto next_change;
+ }
+
+ _dbus_assert (byte_seq <= (_dbus_string_get_length (data) - 4));
+
+ byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
+
+ v_UINT32 = _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL);
+
+ change = &uint32_changes[change_seq];
+
+ if (change->type == CHANGE_TYPE_ADJUST)
+ {
+ v_UINT32 += (int) change->value;
+ }
+ else
+ {
+ v_UINT32 = change->value;
+ }
+
+#if 0
+ printf ("body %d change %d pos %d ",
+ body_seq, change_seq, byte_seq);
+
+ if (change->type == CHANGE_TYPE_ADJUST)
+ printf ("adjust by %d", (int) change->value);
+ else
+ printf ("set to %u", change->value);
+
+ printf (" \t%u -> %u\n",
+ _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL),
+ v_UINT32);
+#endif
+
+ _dbus_marshal_set_uint32 (data, byte_seq, v_UINT32, byte_order);
+ *expected_validity = DBUS_VALIDITY_UNKNOWN;
+
+ _dbus_assert (iter->depth == (base_depth + 1));
+ iter_unrecurse (iter);
+ _dbus_assert (iter->depth == (base_depth + 0));
+
+ return TRUE;
+}
+
+typedef struct
+{
+ const char *name;
+ DBusMessageGeneratorFunc func;
+} DBusMessageGenerator;
+
+static const DBusMessageGenerator generators[] = {
+ { "trivial example of each message type", generate_trivial },
+ { "assorted arguments", generate_many_bodies },
+ { "assorted special cases", generate_special },
+ { "each uint32 modified", generate_uint32_changed },
+ { "wrong body lengths", generate_wrong_length },
+ { "each byte modified", generate_byte_changed },
+#if 0
+ /* This is really expensive and doesn't add too much coverage */
+ { "change each typecode", generate_typecode_changed }
+#endif
+};
+
+void
+_dbus_message_data_free (DBusMessageData *data)
+{
+ _dbus_string_free (&data->data);
+}
+
+void
+_dbus_message_data_iter_init (DBusMessageDataIter *iter)
+{
+ int i;
+
+ iter->depth = 0;
+ i = 0;
+ while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
+ {
+ iter->sequence_nos[i] = 0;
+ ++i;
+ }
+ iter->count = 0;
+}
+
+dbus_bool_t
+_dbus_message_data_iter_get_and_next (DBusMessageDataIter *iter,
+ DBusMessageData *data)
+{
+ DBusMessageGeneratorFunc func;
+ int generator;
+
+ restart:
+ generator = iter_get_sequence (iter);
+
+ if (generator == _DBUS_N_ELEMENTS (generators))
+ return FALSE;
+
+ iter_recurse (iter);
+
+ if (iter_first_in_series (iter))
+ {
+ printf (" testing message loading: %s ", generators[generator].name);
+ fflush (stdout);
+ }
+
+ func = generators[generator].func;
+
+ if (!_dbus_string_init (&data->data))
+ _dbus_assert_not_reached ("oom");
+
+ if ((*func)(iter, &data->data, &data->expected_validity))
+ ;
+ else
+ {
+ iter_set_sequence (iter, 0);
+ iter_unrecurse (iter);
+ iter_next (iter); /* next generator */
+ _dbus_string_free (&data->data);
+ printf ("%d test loads cumulative\n", iter->count);
+ goto restart;
+ }
+ iter_unrecurse (iter);
+
+ iter->count += 1;
+ return TRUE;
+}
+
+#endif /* !DOXYGEN_SHOULD_SKIP_THIS */
+
+#endif /* DBUS_BUILD_TESTS */
projects / monky / blobdiff