D-Bus  1.16.2
dbus-protocol.h
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-protocol.h D-Bus protocol constants
3  *
4  * Copyright (C) 2002, 2003 CodeFactory AB
5  * Copyright (C) 2004, 2005 Red Hat, Inc.
6  *
7  * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
8  *
9  * Licensed under the Academic Free License version 2.1
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24  *
25  */
26 
27 #ifndef DBUS_PROTOCOL_H
28 #define DBUS_PROTOCOL_H
29 
30 /* Don't include anything in here from anywhere else. It's
31  * intended for use by any random library.
32  */
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #if 0
37 } /* avoids confusing emacs indentation */
38 #endif
39 #endif
40 
41 /* Normally docs are in .c files, but there isn't a .c file for this. */
54 /* Message byte order */
55 #define DBUS_LITTLE_ENDIAN ('l')
56 #define DBUS_BIG_ENDIAN ('B')
59 #define DBUS_MAJOR_PROTOCOL_VERSION 1
60 
62 #define DBUS_TYPE_INVALID ((int) '\0')
63 
64 #define DBUS_TYPE_INVALID_AS_STRING "\0"
65 
66 /* Primitive types */
68 #define DBUS_TYPE_BYTE ((int) 'y')
69 
70 #define DBUS_TYPE_BYTE_AS_STRING "y"
71 
72 #define DBUS_TYPE_BOOLEAN ((int) 'b')
73 
74 #define DBUS_TYPE_BOOLEAN_AS_STRING "b"
75 
76 #define DBUS_TYPE_INT16 ((int) 'n')
77 
78 #define DBUS_TYPE_INT16_AS_STRING "n"
79 
80 #define DBUS_TYPE_UINT16 ((int) 'q')
81 
82 #define DBUS_TYPE_UINT16_AS_STRING "q"
83 
84 #define DBUS_TYPE_INT32 ((int) 'i')
85 
86 #define DBUS_TYPE_INT32_AS_STRING "i"
87 
88 #define DBUS_TYPE_UINT32 ((int) 'u')
89 
90 #define DBUS_TYPE_UINT32_AS_STRING "u"
91 
92 #define DBUS_TYPE_INT64 ((int) 'x')
93 
94 #define DBUS_TYPE_INT64_AS_STRING "x"
95 
96 #define DBUS_TYPE_UINT64 ((int) 't')
97 
98 #define DBUS_TYPE_UINT64_AS_STRING "t"
99 
100 #define DBUS_TYPE_DOUBLE ((int) 'd')
101 
102 #define DBUS_TYPE_DOUBLE_AS_STRING "d"
103 
104 #define DBUS_TYPE_STRING ((int) 's')
105 
106 #define DBUS_TYPE_STRING_AS_STRING "s"
107 
108 #define DBUS_TYPE_OBJECT_PATH ((int) 'o')
109 
110 #define DBUS_TYPE_OBJECT_PATH_AS_STRING "o"
111 
112 #define DBUS_TYPE_SIGNATURE ((int) 'g')
113 
114 #define DBUS_TYPE_SIGNATURE_AS_STRING "g"
115 
116 #define DBUS_TYPE_UNIX_FD ((int) 'h')
117 
118 #define DBUS_TYPE_UNIX_FD_AS_STRING "h"
119 
120 /* Compound types */
122 #define DBUS_TYPE_ARRAY ((int) 'a')
123 
124 #define DBUS_TYPE_ARRAY_AS_STRING "a"
125 
126 #define DBUS_TYPE_VARIANT ((int) 'v')
127 
128 #define DBUS_TYPE_VARIANT_AS_STRING "v"
129 
138 #define DBUS_TYPE_STRUCT ((int) 'r')
139 
140 #define DBUS_TYPE_STRUCT_AS_STRING "r"
141 
145 #define DBUS_TYPE_DICT_ENTRY ((int) 'e')
146 
147 #define DBUS_TYPE_DICT_ENTRY_AS_STRING "e"
148 
153 #define DBUS_NUMBER_OF_TYPES (16)
154 
155 /* characters other than typecodes that appear in type signatures */
156 
158 #define DBUS_STRUCT_BEGIN_CHAR ((int) '(')
159 
160 #define DBUS_STRUCT_BEGIN_CHAR_AS_STRING "("
161 
162 #define DBUS_STRUCT_END_CHAR ((int) ')')
163 
164 #define DBUS_STRUCT_END_CHAR_AS_STRING ")"
165 
166 #define DBUS_DICT_ENTRY_BEGIN_CHAR ((int) '{')
167 
168 #define DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING "{"
169 
170 #define DBUS_DICT_ENTRY_END_CHAR ((int) '}')
171 
172 #define DBUS_DICT_ENTRY_END_CHAR_AS_STRING "}"
173 
180 #define DBUS_MAXIMUM_NAME_LENGTH 255
181 
183 #define DBUS_MAXIMUM_SIGNATURE_LENGTH 255
184 
188 #define DBUS_MAXIMUM_MATCH_RULE_LENGTH 1024
189 
193 #define DBUS_MAXIMUM_MATCH_RULE_ARG_NUMBER 63
194 
205 #define DBUS_MAXIMUM_ARRAY_LENGTH (67108864)
206 
207 #define DBUS_MAXIMUM_ARRAY_LENGTH_BITS 26
208 
212 #define DBUS_MAXIMUM_MESSAGE_LENGTH (DBUS_MAXIMUM_ARRAY_LENGTH * 2)
213 
214 #define DBUS_MAXIMUM_MESSAGE_LENGTH_BITS 27
215 
220 #define DBUS_MAXIMUM_MESSAGE_UNIX_FDS (DBUS_MAXIMUM_MESSAGE_LENGTH/4)
221 
222 #define DBUS_MAXIMUM_MESSAGE_UNIX_FDS_BITS (DBUS_MAXIMUM_MESSAGE_LENGTH_BITS-2)
223 
229 #define DBUS_MAXIMUM_TYPE_RECURSION_DEPTH 32
230 
231 /* Types of message */
232 
234 #define DBUS_MESSAGE_TYPE_INVALID 0
235 
236 #define DBUS_MESSAGE_TYPE_METHOD_CALL 1
237 
238 #define DBUS_MESSAGE_TYPE_METHOD_RETURN 2
239 
240 #define DBUS_MESSAGE_TYPE_ERROR 3
241 
242 #define DBUS_MESSAGE_TYPE_SIGNAL 4
243 
244 #define DBUS_NUM_MESSAGE_TYPES 5
245 
246 /* Header flags */
247 
251 #define DBUS_HEADER_FLAG_NO_REPLY_EXPECTED 0x1
252 
258 #define DBUS_HEADER_FLAG_NO_AUTO_START 0x2
259 
263 #define DBUS_HEADER_FLAG_ALLOW_INTERACTIVE_AUTHORIZATION 0x4
264 
265 /* Header fields */
266 
268 #define DBUS_HEADER_FIELD_INVALID 0
269 
272 #define DBUS_HEADER_FIELD_PATH 1
273 
276 #define DBUS_HEADER_FIELD_INTERFACE 2
277 
278 #define DBUS_HEADER_FIELD_MEMBER 3
279 
282 #define DBUS_HEADER_FIELD_ERROR_NAME 4
283 
286 #define DBUS_HEADER_FIELD_REPLY_SERIAL 5
287 
290 #define DBUS_HEADER_FIELD_DESTINATION 6
291 
295 #define DBUS_HEADER_FIELD_SENDER 7
296 
299 #define DBUS_HEADER_FIELD_SIGNATURE 8
300 
304 #define DBUS_HEADER_FIELD_UNIX_FDS 9
305 
308 #define DBUS_HEADER_FIELD_CONTAINER_INSTANCE 10
309 
310 
317 #define DBUS_HEADER_FIELD_LAST DBUS_HEADER_FIELD_CONTAINER_INSTANCE
318 
332 #define DBUS_HEADER_SIGNATURE \
333  DBUS_TYPE_BYTE_AS_STRING \
334  DBUS_TYPE_BYTE_AS_STRING \
335  DBUS_TYPE_BYTE_AS_STRING \
336  DBUS_TYPE_BYTE_AS_STRING \
337  DBUS_TYPE_UINT32_AS_STRING \
338  DBUS_TYPE_UINT32_AS_STRING \
339  DBUS_TYPE_ARRAY_AS_STRING \
340  DBUS_STRUCT_BEGIN_CHAR_AS_STRING \
341  DBUS_TYPE_BYTE_AS_STRING \
342  DBUS_TYPE_VARIANT_AS_STRING \
343  DBUS_STRUCT_END_CHAR_AS_STRING
344 
345 
352 #define DBUS_MINIMUM_HEADER_SIZE 16
353 
354 /* Errors */
355 /* WARNING these get autoconverted to an enum in dbus-glib.h. Thus,
356  * if you change the order it breaks the ABI. Keep them in order.
357  * Also, don't change the formatting since that will break the sed
358  * script.
359  */
361 #define DBUS_ERROR_FAILED "org.freedesktop.DBus.Error.Failed"
362 
363 #define DBUS_ERROR_NO_MEMORY "org.freedesktop.DBus.Error.NoMemory"
364 
365 #define DBUS_ERROR_SERVICE_UNKNOWN "org.freedesktop.DBus.Error.ServiceUnknown"
366 
367 #define DBUS_ERROR_NAME_HAS_NO_OWNER "org.freedesktop.DBus.Error.NameHasNoOwner"
368 
369 #define DBUS_ERROR_NO_REPLY "org.freedesktop.DBus.Error.NoReply"
370 
371 #define DBUS_ERROR_IO_ERROR "org.freedesktop.DBus.Error.IOError"
372 
373 #define DBUS_ERROR_BAD_ADDRESS "org.freedesktop.DBus.Error.BadAddress"
374 
375 #define DBUS_ERROR_NOT_SUPPORTED "org.freedesktop.DBus.Error.NotSupported"
376 
377 #define DBUS_ERROR_LIMITS_EXCEEDED "org.freedesktop.DBus.Error.LimitsExceeded"
378 
379 #define DBUS_ERROR_ACCESS_DENIED "org.freedesktop.DBus.Error.AccessDenied"
380 
381 #define DBUS_ERROR_AUTH_FAILED "org.freedesktop.DBus.Error.AuthFailed"
382 
383 #define DBUS_ERROR_NO_SERVER "org.freedesktop.DBus.Error.NoServer"
384 
389 #define DBUS_ERROR_TIMEOUT "org.freedesktop.DBus.Error.Timeout"
390 
391 #define DBUS_ERROR_NO_NETWORK "org.freedesktop.DBus.Error.NoNetwork"
392 
393 #define DBUS_ERROR_ADDRESS_IN_USE "org.freedesktop.DBus.Error.AddressInUse"
394 
395 #define DBUS_ERROR_DISCONNECTED "org.freedesktop.DBus.Error.Disconnected"
396 
397 #define DBUS_ERROR_INVALID_ARGS "org.freedesktop.DBus.Error.InvalidArgs"
398 
399 #define DBUS_ERROR_FILE_NOT_FOUND "org.freedesktop.DBus.Error.FileNotFound"
400 
401 #define DBUS_ERROR_FILE_EXISTS "org.freedesktop.DBus.Error.FileExists"
402 
403 #define DBUS_ERROR_UNKNOWN_METHOD "org.freedesktop.DBus.Error.UnknownMethod"
404 
405 #define DBUS_ERROR_UNKNOWN_OBJECT "org.freedesktop.DBus.Error.UnknownObject"
406 
407 #define DBUS_ERROR_UNKNOWN_INTERFACE "org.freedesktop.DBus.Error.UnknownInterface"
408 
409 #define DBUS_ERROR_UNKNOWN_PROPERTY "org.freedesktop.DBus.Error.UnknownProperty"
410 
411 #define DBUS_ERROR_PROPERTY_READ_ONLY "org.freedesktop.DBus.Error.PropertyReadOnly"
412 
416 #define DBUS_ERROR_TIMED_OUT "org.freedesktop.DBus.Error.TimedOut"
417 
418 #define DBUS_ERROR_MATCH_RULE_NOT_FOUND "org.freedesktop.DBus.Error.MatchRuleNotFound"
419 
420 #define DBUS_ERROR_MATCH_RULE_INVALID "org.freedesktop.DBus.Error.MatchRuleInvalid"
421 
422 #define DBUS_ERROR_SPAWN_EXEC_FAILED "org.freedesktop.DBus.Error.Spawn.ExecFailed"
423 
424 #define DBUS_ERROR_SPAWN_FORK_FAILED "org.freedesktop.DBus.Error.Spawn.ForkFailed"
425 
426 #define DBUS_ERROR_SPAWN_CHILD_EXITED "org.freedesktop.DBus.Error.Spawn.ChildExited"
427 
428 #define DBUS_ERROR_SPAWN_CHILD_SIGNALED "org.freedesktop.DBus.Error.Spawn.ChildSignaled"
429 
430 #define DBUS_ERROR_SPAWN_FAILED "org.freedesktop.DBus.Error.Spawn.Failed"
431 
432 #define DBUS_ERROR_SPAWN_SETUP_FAILED "org.freedesktop.DBus.Error.Spawn.FailedToSetup"
433 
434 #define DBUS_ERROR_SPAWN_CONFIG_INVALID "org.freedesktop.DBus.Error.Spawn.ConfigInvalid"
435 
436 #define DBUS_ERROR_SPAWN_SERVICE_INVALID "org.freedesktop.DBus.Error.Spawn.ServiceNotValid"
437 
438 #define DBUS_ERROR_SPAWN_SERVICE_NOT_FOUND "org.freedesktop.DBus.Error.Spawn.ServiceNotFound"
439 
440 #define DBUS_ERROR_SPAWN_PERMISSIONS_INVALID "org.freedesktop.DBus.Error.Spawn.PermissionsInvalid"
441 
442 #define DBUS_ERROR_SPAWN_FILE_INVALID "org.freedesktop.DBus.Error.Spawn.FileInvalid"
443 
444 #define DBUS_ERROR_SPAWN_NO_MEMORY "org.freedesktop.DBus.Error.Spawn.NoMemory"
445 
446 #define DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN "org.freedesktop.DBus.Error.UnixProcessIdUnknown"
447 
448 #define DBUS_ERROR_INVALID_SIGNATURE "org.freedesktop.DBus.Error.InvalidSignature"
449 
450 #define DBUS_ERROR_INVALID_FILE_CONTENT "org.freedesktop.DBus.Error.InvalidFileContent"
451 
452 #define DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN "org.freedesktop.DBus.Error.SELinuxSecurityContextUnknown"
453 
454 #define DBUS_ERROR_ADT_AUDIT_DATA_UNKNOWN "org.freedesktop.DBus.Error.AdtAuditDataUnknown"
455 
456 #define DBUS_ERROR_OBJECT_PATH_IN_USE "org.freedesktop.DBus.Error.ObjectPathInUse"
457 
459 #define DBUS_ERROR_INCONSISTENT_MESSAGE "org.freedesktop.DBus.Error.InconsistentMessage"
460 
463 #define DBUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED "org.freedesktop.DBus.Error.InteractiveAuthorizationRequired"
464 
466 #define DBUS_ERROR_NOT_CONTAINER "org.freedesktop.DBus.Error.NotContainer"
467 
468 /* XML introspection format */
469 
471 #define DBUS_INTROSPECT_1_0_XML_NAMESPACE "http://www.freedesktop.org/standards/dbus"
472 
473 #define DBUS_INTROSPECT_1_0_XML_PUBLIC_IDENTIFIER "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
474 
475 #define DBUS_INTROSPECT_1_0_XML_SYSTEM_IDENTIFIER "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd"
476 
477 #define DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "<!DOCTYPE node PUBLIC \"" DBUS_INTROSPECT_1_0_XML_PUBLIC_IDENTIFIER "\"\n\"" DBUS_INTROSPECT_1_0_XML_SYSTEM_IDENTIFIER "\">\n"
478 
481 #ifdef __cplusplus
482 #if 0
483 { /* avoids confusing emacs indentation */
484 #endif
485 }
486 #endif
487 
488 #endif /* DBUS_PROTOCOL_H */