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  * Licensed under the Academic Free License version 2.1
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22  *
23  */
24 
25 #ifndef DBUS_PROTOCOL_H
26 #define DBUS_PROTOCOL_H
27 
28 /* Don't include anything in here from anywhere else. It's
29  * intended for use by any random library.
30  */
31 
32 #ifdef  __cplusplus
33 extern "C" {
34 #if 0
35 } /* avoids confusing emacs indentation */
36 #endif
37 #endif
38 
39 /* Normally docs are in .c files, but there isn't a .c file for this. */
40 /**
41  * @defgroup DBusProtocol Protocol constants
42  * @ingroup  DBus
43  *
44  * @brief Defines constants which are part of the D-Bus protocol
45  *
46  * This header is intended for use by any library, not only libdbus.
47  *
48  * @{
49  */
50 
51 
52 /* Message byte order */
53 #define DBUS_LITTLE_ENDIAN ('l')  /**< Code marking LSB-first byte order in the wire protocol. */
54 #define DBUS_BIG_ENDIAN    ('B')  /**< Code marking MSB-first byte order in the wire protocol. */
55 
56 /** Protocol version. */
57 #define DBUS_MAJOR_PROTOCOL_VERSION 1
58 
59 /** Type code that is never equal to a legitimate type code */
60 #define DBUS_TYPE_INVALID       ((int) '\0')
61 /** #DBUS_TYPE_INVALID as a string literal instead of a int literal */
62 #define DBUS_TYPE_INVALID_AS_STRING        "\0"
63 
64 /* Primitive types */
65 /** Type code marking an 8-bit unsigned integer */
66 #define DBUS_TYPE_BYTE          ((int) 'y')
67 /** #DBUS_TYPE_BYTE as a string literal instead of a int literal */
68 #define DBUS_TYPE_BYTE_AS_STRING           "y"
69 /** Type code marking a boolean */
70 #define DBUS_TYPE_BOOLEAN       ((int) 'b')
71 /** #DBUS_TYPE_BOOLEAN as a string literal instead of a int literal */
72 #define DBUS_TYPE_BOOLEAN_AS_STRING        "b"
73 /** Type code marking a 16-bit signed integer */
74 #define DBUS_TYPE_INT16         ((int) 'n')
75 /** #DBUS_TYPE_INT16 as a string literal instead of a int literal */
76 #define DBUS_TYPE_INT16_AS_STRING          "n"
77 /** Type code marking a 16-bit unsigned integer */
78 #define DBUS_TYPE_UINT16        ((int) 'q')
79 /** #DBUS_TYPE_UINT16 as a string literal instead of a int literal */
80 #define DBUS_TYPE_UINT16_AS_STRING         "q"
81 /** Type code marking a 32-bit signed integer */
82 #define DBUS_TYPE_INT32         ((int) 'i')
83 /** #DBUS_TYPE_INT32 as a string literal instead of a int literal */
84 #define DBUS_TYPE_INT32_AS_STRING          "i"
85 /** Type code marking a 32-bit unsigned integer */
86 #define DBUS_TYPE_UINT32        ((int) 'u')
87 /** #DBUS_TYPE_UINT32 as a string literal instead of a int literal */
88 #define DBUS_TYPE_UINT32_AS_STRING         "u"
89 /** Type code marking a 64-bit signed integer */
90 #define DBUS_TYPE_INT64         ((int) 'x')
91 /** #DBUS_TYPE_INT64 as a string literal instead of a int literal */
92 #define DBUS_TYPE_INT64_AS_STRING          "x"
93 /** Type code marking a 64-bit unsigned integer */
94 #define DBUS_TYPE_UINT64        ((int) 't')
95 /** #DBUS_TYPE_UINT64 as a string literal instead of a int literal */
96 #define DBUS_TYPE_UINT64_AS_STRING         "t"
97 /** Type code marking an 8-byte double in IEEE 754 format */
98 #define DBUS_TYPE_DOUBLE        ((int) 'd')
99 /** #DBUS_TYPE_DOUBLE as a string literal instead of a int literal */
100 #define DBUS_TYPE_DOUBLE_AS_STRING         "d"
101 /** Type code marking a UTF-8 encoded, nul-terminated Unicode string */
102 #define DBUS_TYPE_STRING        ((int) 's')
103 /** #DBUS_TYPE_STRING as a string literal instead of a int literal */
104 #define DBUS_TYPE_STRING_AS_STRING         "s"
105 /** Type code marking a D-Bus object path */
106 #define DBUS_TYPE_OBJECT_PATH   ((int) 'o')
107 /** #DBUS_TYPE_OBJECT_PATH as a string literal instead of a int literal */
108 #define DBUS_TYPE_OBJECT_PATH_AS_STRING    "o"
109 /** Type code marking a D-Bus type signature */
110 #define DBUS_TYPE_SIGNATURE     ((int) 'g')
111 /** #DBUS_TYPE_SIGNATURE as a string literal instead of a int literal */
112 #define DBUS_TYPE_SIGNATURE_AS_STRING      "g"
113 /** Type code marking a unix file descriptor */
114 #define DBUS_TYPE_UNIX_FD      ((int) 'h')
115 /** #DBUS_TYPE_UNIX_FD as a string literal instead of a int literal */
116 #define DBUS_TYPE_UNIX_FD_AS_STRING        "h"
117 
118 /* Compound types */
119 /** Type code marking a D-Bus array type */
120 #define DBUS_TYPE_ARRAY         ((int) 'a')
121 /** #DBUS_TYPE_ARRAY as a string literal instead of a int literal */
122 #define DBUS_TYPE_ARRAY_AS_STRING          "a"
123 /** Type code marking a D-Bus variant type */
124 #define DBUS_TYPE_VARIANT       ((int) 'v')
125 /** #DBUS_TYPE_VARIANT as a string literal instead of a int literal */
126 #define DBUS_TYPE_VARIANT_AS_STRING        "v"
127 
128 /** STRUCT and DICT_ENTRY are sort of special since their codes can't
129  * appear in a type string, instead
130  * DBUS_STRUCT_BEGIN_CHAR/DBUS_DICT_ENTRY_BEGIN_CHAR have to appear
131  */
132 /** Type code used to represent a struct; however, this type code does not appear
133  * in type signatures, instead #DBUS_STRUCT_BEGIN_CHAR and #DBUS_STRUCT_END_CHAR will
134  * appear in a signature.
135  */
136 #define DBUS_TYPE_STRUCT        ((int) 'r')
137 /** #DBUS_TYPE_STRUCT as a string literal instead of a int literal */
138 #define DBUS_TYPE_STRUCT_AS_STRING         "r"
139 /** Type code used to represent a dict entry; however, this type code does not appear
140  * in type signatures, instead #DBUS_DICT_ENTRY_BEGIN_CHAR and #DBUS_DICT_ENTRY_END_CHAR will
141  * appear in a signature.
142  */
143 #define DBUS_TYPE_DICT_ENTRY    ((int) 'e')
144 /** #DBUS_TYPE_DICT_ENTRY as a string literal instead of a int literal */
145 #define DBUS_TYPE_DICT_ENTRY_AS_STRING     "e"
146 
147 /** Does not include #DBUS_TYPE_INVALID, #DBUS_STRUCT_BEGIN_CHAR, #DBUS_STRUCT_END_CHAR,
148  * #DBUS_DICT_ENTRY_BEGIN_CHAR, or #DBUS_DICT_ENTRY_END_CHAR - i.e. it is the number of
149  * valid types, not the number of distinct characters that may appear in a type signature.
150  */
151 #define DBUS_NUMBER_OF_TYPES    (16)
152 
153 /* characters other than typecodes that appear in type signatures */
154 
155 /** Code marking the start of a struct type in a type signature */
156 #define DBUS_STRUCT_BEGIN_CHAR   ((int) '(')
157 /** #DBUS_STRUCT_BEGIN_CHAR as a string literal instead of a int literal */
158 #define DBUS_STRUCT_BEGIN_CHAR_AS_STRING   "("
159 /** Code marking the end of a struct type in a type signature */
160 #define DBUS_STRUCT_END_CHAR     ((int) ')')
161 /** #DBUS_STRUCT_END_CHAR a string literal instead of a int literal */
162 #define DBUS_STRUCT_END_CHAR_AS_STRING     ")"
163 /** Code marking the start of a dict entry type in a type signature */
164 #define DBUS_DICT_ENTRY_BEGIN_CHAR   ((int) '{')
165 /** #DBUS_DICT_ENTRY_BEGIN_CHAR as a string literal instead of a int literal */
166 #define DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING   "{"
167 /** Code marking the end of a dict entry type in a type signature */
168 #define DBUS_DICT_ENTRY_END_CHAR     ((int) '}')
169 /** #DBUS_DICT_ENTRY_END_CHAR as a string literal instead of a int literal */
170 #define DBUS_DICT_ENTRY_END_CHAR_AS_STRING     "}"
171 
172 /** Max length in bytes of a bus name, interface, or member (not object
173  * path, paths are unlimited). This is limited because lots of stuff
174  * is O(n) in this number, plus it would be obnoxious to type in a
175  * paragraph-long method name so most likely something like that would
176  * be an exploit.
177  */
178 #define DBUS_MAXIMUM_NAME_LENGTH 255
179 
180 /** This one is 255 so it fits in a byte */
181 #define DBUS_MAXIMUM_SIGNATURE_LENGTH 255
182 
183 /** Max length of a match rule string; to keep people from hosing the
184  * daemon with some huge rule
185  */
186 #define DBUS_MAXIMUM_MATCH_RULE_LENGTH 1024
187 
188 /** Max arg number you can match on in a match rule, e.g.
189  * arg0='hello' is OK, arg3489720987='hello' is not
190  */
191 #define DBUS_MAXIMUM_MATCH_RULE_ARG_NUMBER 63
192 
193 /** Max length of a marshaled array in bytes (64M, 2^26) We use signed
194  * int for lengths so must be INT_MAX or less.  We need something a
195  * bit smaller than INT_MAX because the array is inside a message with
196  * header info, etc.  so an INT_MAX array wouldn't allow the message
197  * overhead.  The 64M number is an attempt at a larger number than
198  * we'd reasonably ever use, but small enough that your bus would chew
199  * through it fairly quickly without locking up forever. If you have
200  * data that's likely to be larger than this, you should probably be
201  * sending it in multiple incremental messages anyhow.
202  */
203 #define DBUS_MAXIMUM_ARRAY_LENGTH (67108864)
204 /** Number of bits you need in an unsigned to store the max array size */
205 #define DBUS_MAXIMUM_ARRAY_LENGTH_BITS 26
206 
207 /** The maximum total message size including header and body; similar
208  * rationale to max array size.
209  */
210 #define DBUS_MAXIMUM_MESSAGE_LENGTH (DBUS_MAXIMUM_ARRAY_LENGTH * 2)
211 /** Number of bits you need in an unsigned to store the max message size */
212 #define DBUS_MAXIMUM_MESSAGE_LENGTH_BITS 27
213 
214 /** The maximum total number of unix fds in a message. Similar
215  * rationale as DBUS_MAXIMUM_MESSAGE_LENGTH. However we divide by four
216  * given that one fd is an int and hence at least 32 bits.
217  */
218 #define DBUS_MAXIMUM_MESSAGE_UNIX_FDS (DBUS_MAXIMUM_MESSAGE_LENGTH/4)
219 /** Number of bits you need in an unsigned to store the max message unix fds */
220 #define DBUS_MAXIMUM_MESSAGE_UNIX_FDS_BITS (DBUS_MAXIMUM_MESSAGE_LENGTH_BITS-2)
221 
222 /** Depth of recursion in the type tree. This is automatically limited
223  * to DBUS_MAXIMUM_SIGNATURE_LENGTH since you could only have an array
224  * of array of array of ... that fit in the max signature.  But that's
225  * probably a bit too large.
226  */
227 #define DBUS_MAXIMUM_TYPE_RECURSION_DEPTH 32
228 
229 /* Types of message */
230 
231 /** This value is never a valid message type, see dbus_message_get_type() */
232 #define DBUS_MESSAGE_TYPE_INVALID       0
233 /** Message type of a method call message, see dbus_message_get_type() */
234 #define DBUS_MESSAGE_TYPE_METHOD_CALL   1
235 /** Message type of a method return message, see dbus_message_get_type() */
236 #define DBUS_MESSAGE_TYPE_METHOD_RETURN 2
237 /** Message type of an error reply message, see dbus_message_get_type() */
238 #define DBUS_MESSAGE_TYPE_ERROR         3
239 /** Message type of a signal message, see dbus_message_get_type() */
240 #define DBUS_MESSAGE_TYPE_SIGNAL        4
241 
242 #define DBUS_NUM_MESSAGE_TYPES          5
243 
244 /* Header flags */
245 
246 /** If set, this flag means that the sender of a message does not care about getting
247  * a reply, so the recipient need not send one. See dbus_message_set_no_reply().
248  */
249 #define DBUS_HEADER_FLAG_NO_REPLY_EXPECTED 0x1
250 /**
251  * If set, this flag means that even if the message bus knows how to start an owner for
252  * the destination bus name (see dbus_message_set_destination()), it should not
253  * do so. If this flag is not set, the bus may launch a program to process the
254  * message.
255  */
256 #define DBUS_HEADER_FLAG_NO_AUTO_START     0x2
257 
258 /* Header fields */
259 
260 /** Not equal to any valid header field code */
261 #define DBUS_HEADER_FIELD_INVALID        0
262 /** Header field code for the path - the path is the object emitting a signal or the object receiving a method call.
263  * See dbus_message_set_path().
264  */
265 #define DBUS_HEADER_FIELD_PATH           1
266 /** Header field code for the interface containing a member (method or signal).
267  * See dbus_message_set_interface().
268  */
269 #define DBUS_HEADER_FIELD_INTERFACE      2
270 /** Header field code for a member (method or signal). See dbus_message_set_member(). */
271 #define DBUS_HEADER_FIELD_MEMBER         3
272 /** Header field code for an error name (found in #DBUS_MESSAGE_TYPE_ERROR messages).
273  * See dbus_message_set_error_name().
274  */
275 #define DBUS_HEADER_FIELD_ERROR_NAME     4
276 /** Header field code for a reply serial, used to match a #DBUS_MESSAGE_TYPE_METHOD_RETURN message with the
277  * message that it's a reply to. See dbus_message_set_reply_serial().
278  */
279 #define DBUS_HEADER_FIELD_REPLY_SERIAL   5
280 /**
281  * Header field code for the destination bus name of a message. See dbus_message_set_destination().
282  */
283 #define DBUS_HEADER_FIELD_DESTINATION    6
284 /**
285  * Header field code for the sender of a message; usually initialized by the message bus.
286  * See dbus_message_set_sender().
287  */
288 #define DBUS_HEADER_FIELD_SENDER         7
289 /**
290  * Header field code for the type signature of a message.
291  */
292 #define DBUS_HEADER_FIELD_SIGNATURE      8
293 /**
294  * Header field code for the number of unix file descriptors associated
295  * with this message.
296  */
297 #define DBUS_HEADER_FIELD_UNIX_FDS       9
298 
299 
300 /**
301  * Value of the highest-numbered header field code, can be used to determine
302  * the size of an array indexed by header field code. Remember though
303  * that unknown codes must be ignored, so check for that before
304  * indexing the array.
305  */
306 #define DBUS_HEADER_FIELD_LAST DBUS_HEADER_FIELD_UNIX_FDS
307 
308 /** Header format is defined as a signature:
309  *   byte                            byte order
310  *   byte                            message type ID
311  *   byte                            flags
312  *   byte                            protocol version
313  *   uint32                          body length
314  *   uint32                          serial
315  *   array of struct (byte,variant)  (field name, value)
316  *
317  * The length of the header can be computed as the
318  * fixed size of the initial data, plus the length of
319  * the array at the end, plus padding to an 8-boundary.
320  */
321 #define DBUS_HEADER_SIGNATURE                   \
322      DBUS_TYPE_BYTE_AS_STRING                   \
323      DBUS_TYPE_BYTE_AS_STRING                   \
324      DBUS_TYPE_BYTE_AS_STRING                   \
325      DBUS_TYPE_BYTE_AS_STRING                   \
326      DBUS_TYPE_UINT32_AS_STRING                 \
327      DBUS_TYPE_UINT32_AS_STRING                 \
328      DBUS_TYPE_ARRAY_AS_STRING                  \
329      DBUS_STRUCT_BEGIN_CHAR_AS_STRING           \
330      DBUS_TYPE_BYTE_AS_STRING                   \
331      DBUS_TYPE_VARIANT_AS_STRING                \
332      DBUS_STRUCT_END_CHAR_AS_STRING
333 
334 
335 /**
336  * The smallest header size that can occur.  (It won't be valid due to
337  * missing required header fields.) This is 4 bytes, two uint32, an
338  * array length. This isn't any kind of resource limit, just the
339  * necessary/logical outcome of the header signature.
340  */
341 #define DBUS_MINIMUM_HEADER_SIZE 16
342 
343 /* Errors */
344 /* WARNING these get autoconverted to an enum in dbus-glib.h. Thus,
345  * if you change the order it breaks the ABI. Keep them in order.
346  * Also, don't change the formatting since that will break the sed
347  * script.
348  */
349 /** A generic error; "something went wrong" - see the error message for more. */
350 #define DBUS_ERROR_FAILED                     "org.freedesktop.DBus.Error.Failed"
351 /** There was not enough memory to complete an operation. */
352 #define DBUS_ERROR_NO_MEMORY                  "org.freedesktop.DBus.Error.NoMemory"
353 /** The bus doesn't know how to launch a service to supply the bus name you wanted. */
354 #define DBUS_ERROR_SERVICE_UNKNOWN            "org.freedesktop.DBus.Error.ServiceUnknown"
355 /** The bus name you referenced doesn't exist (i.e. no application owns it). */
356 #define DBUS_ERROR_NAME_HAS_NO_OWNER          "org.freedesktop.DBus.Error.NameHasNoOwner"
357 /** No reply to a message expecting one, usually means a timeout occurred. */
358 #define DBUS_ERROR_NO_REPLY                   "org.freedesktop.DBus.Error.NoReply"
359 /** Something went wrong reading or writing to a socket, for example. */
360 #define DBUS_ERROR_IO_ERROR                   "org.freedesktop.DBus.Error.IOError"
361 /** A D-Bus bus address was malformed. */
362 #define DBUS_ERROR_BAD_ADDRESS                "org.freedesktop.DBus.Error.BadAddress"
363 /** Requested operation isn't supported (like ENOSYS on UNIX). */
364 #define DBUS_ERROR_NOT_SUPPORTED              "org.freedesktop.DBus.Error.NotSupported"
365 /** Some limited resource is exhausted. */
366 #define DBUS_ERROR_LIMITS_EXCEEDED            "org.freedesktop.DBus.Error.LimitsExceeded"
367 /** Security restrictions don't allow doing what you're trying to do. */
368 #define DBUS_ERROR_ACCESS_DENIED              "org.freedesktop.DBus.Error.AccessDenied"
369 /** Authentication didn't work. */
370 #define DBUS_ERROR_AUTH_FAILED                "org.freedesktop.DBus.Error.AuthFailed"
371 /** Unable to connect to server (probably caused by ECONNREFUSED on a socket). */
372 #define DBUS_ERROR_NO_SERVER                  "org.freedesktop.DBus.Error.NoServer"
373 /** Certain timeout errors, possibly ETIMEDOUT on a socket.
374  * Note that #DBUS_ERROR_NO_REPLY is used for message reply timeouts.
375  * @warning this is confusingly-named given that #DBUS_ERROR_TIMED_OUT also exists. We can't fix
376  * it for compatibility reasons so just be careful.
377  */
378 #define DBUS_ERROR_TIMEOUT                    "org.freedesktop.DBus.Error.Timeout"
379 /** No network access (probably ENETUNREACH on a socket). */
380 #define DBUS_ERROR_NO_NETWORK                 "org.freedesktop.DBus.Error.NoNetwork"
381 /** Can't bind a socket since its address is in use (i.e. EADDRINUSE). */
382 #define DBUS_ERROR_ADDRESS_IN_USE             "org.freedesktop.DBus.Error.AddressInUse"
383 /** The connection is disconnected and you're trying to use it. */
384 #define DBUS_ERROR_DISCONNECTED               "org.freedesktop.DBus.Error.Disconnected"
385 /** Invalid arguments passed to a method call. */
386 #define DBUS_ERROR_INVALID_ARGS               "org.freedesktop.DBus.Error.InvalidArgs"
387 /** Missing file. */
388 #define DBUS_ERROR_FILE_NOT_FOUND             "org.freedesktop.DBus.Error.FileNotFound"
389 /** Existing file and the operation you're using does not silently overwrite. */
390 #define DBUS_ERROR_FILE_EXISTS                "org.freedesktop.DBus.Error.FileExists"
391 /** Method name you invoked isn't known by the object you invoked it on. */
392 #define DBUS_ERROR_UNKNOWN_METHOD             "org.freedesktop.DBus.Error.UnknownMethod"
393 /** Object you invoked a method on isn't known. */
394 #define DBUS_ERROR_UNKNOWN_OBJECT             "org.freedesktop.DBus.Error.UnknownObject"
395 /** Interface you invoked a method on isn't known by the object. */
396 #define DBUS_ERROR_UNKNOWN_INTERFACE          "org.freedesktop.DBus.Error.UnknownInterface"
397 /** Property you tried to access isn't known by the object. */
398 #define DBUS_ERROR_UNKNOWN_PROPERTY           "org.freedesktop.DBus.Error.UnknownProperty"
399 /** Property you tried to set is read-only. */
400 #define DBUS_ERROR_PROPERTY_READ_ONLY         "org.freedesktop.DBus.Error.PropertyReadOnly"
401 /** Certain timeout errors, e.g. while starting a service.
402  * @warning this is confusingly-named given that #DBUS_ERROR_TIMEOUT also exists. We can't fix
403  * it for compatibility reasons so just be careful.
404  */
405 #define DBUS_ERROR_TIMED_OUT                  "org.freedesktop.DBus.Error.TimedOut"
406 /** Tried to remove or modify a match rule that didn't exist. */
407 #define DBUS_ERROR_MATCH_RULE_NOT_FOUND       "org.freedesktop.DBus.Error.MatchRuleNotFound"
408 /** The match rule isn't syntactically valid. */
409 #define DBUS_ERROR_MATCH_RULE_INVALID         "org.freedesktop.DBus.Error.MatchRuleInvalid"
410 /** While starting a new process, the exec() call failed. */
411 #define DBUS_ERROR_SPAWN_EXEC_FAILED          "org.freedesktop.DBus.Error.Spawn.ExecFailed"
412 /** While starting a new process, the fork() call failed. */
413 #define DBUS_ERROR_SPAWN_FORK_FAILED          "org.freedesktop.DBus.Error.Spawn.ForkFailed"
414 /** While starting a new process, the child exited with a status code. */
415 #define DBUS_ERROR_SPAWN_CHILD_EXITED         "org.freedesktop.DBus.Error.Spawn.ChildExited"
416 /** While starting a new process, the child exited on a signal. */
417 #define DBUS_ERROR_SPAWN_CHILD_SIGNALED       "org.freedesktop.DBus.Error.Spawn.ChildSignaled"
418 /** While starting a new process, something went wrong. */
419 #define DBUS_ERROR_SPAWN_FAILED               "org.freedesktop.DBus.Error.Spawn.Failed"
420 /** We failed to setup the environment correctly. */
421 #define DBUS_ERROR_SPAWN_SETUP_FAILED         "org.freedesktop.DBus.Error.Spawn.FailedToSetup"
422 /** We failed to setup the config parser correctly. */
423 #define DBUS_ERROR_SPAWN_CONFIG_INVALID       "org.freedesktop.DBus.Error.Spawn.ConfigInvalid"
424 /** Bus name was not valid. */
425 #define DBUS_ERROR_SPAWN_SERVICE_INVALID      "org.freedesktop.DBus.Error.Spawn.ServiceNotValid"
426 /** Service file not found in system-services directory. */
427 #define DBUS_ERROR_SPAWN_SERVICE_NOT_FOUND    "org.freedesktop.DBus.Error.Spawn.ServiceNotFound"
428 /** Permissions are incorrect on the setuid helper. */
429 #define DBUS_ERROR_SPAWN_PERMISSIONS_INVALID  "org.freedesktop.DBus.Error.Spawn.PermissionsInvalid"
430 /** Service file invalid (Name, User or Exec missing). */
431 #define DBUS_ERROR_SPAWN_FILE_INVALID         "org.freedesktop.DBus.Error.Spawn.FileInvalid"
432 /** Tried to get a UNIX process ID and it wasn't available. */
433 #define DBUS_ERROR_SPAWN_NO_MEMORY            "org.freedesktop.DBus.Error.Spawn.NoMemory"
434 /** Tried to get a UNIX process ID and it wasn't available. */
435 #define DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN    "org.freedesktop.DBus.Error.UnixProcessIdUnknown"
436 /** A type signature is not valid. */
437 #define DBUS_ERROR_INVALID_SIGNATURE          "org.freedesktop.DBus.Error.InvalidSignature"
438 /** A file contains invalid syntax or is otherwise broken. */
439 #define DBUS_ERROR_INVALID_FILE_CONTENT       "org.freedesktop.DBus.Error.InvalidFileContent"
440 /** Asked for SELinux security context and it wasn't available. */
441 #define DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN    "org.freedesktop.DBus.Error.SELinuxSecurityContextUnknown"
442 /** Asked for ADT audit data and it wasn't available. */
443 #define DBUS_ERROR_ADT_AUDIT_DATA_UNKNOWN     "org.freedesktop.DBus.Error.AdtAuditDataUnknown"
444 /** There's already an object with the requested object path. */
445 #define DBUS_ERROR_OBJECT_PATH_IN_USE         "org.freedesktop.DBus.Error.ObjectPathInUse"
446 /** The message meta data does not match the payload. e.g. expected
447     number of file descriptors were not sent over the socket this message was received on. */
448 #define DBUS_ERROR_INCONSISTENT_MESSAGE       "org.freedesktop.DBus.Error.InconsistentMessage"
449 
450 /* XML introspection format */
451 
452 /** XML namespace of the introspection format version 1.0 */
453 #define DBUS_INTROSPECT_1_0_XML_NAMESPACE         "http://www.freedesktop.org/standards/dbus"
454 /** XML public identifier of the introspection format version 1.0 */
455 #define DBUS_INTROSPECT_1_0_XML_PUBLIC_IDENTIFIER "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
456 /** XML system identifier of the introspection format version 1.0 */
457 #define DBUS_INTROSPECT_1_0_XML_SYSTEM_IDENTIFIER "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd"
458 /** XML document type declaration of the introspection format version 1.0 */
459 #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"
460 
461 /** @} */
462 
463 #ifdef __cplusplus
464 #if 0
465 { /* avoids confusing emacs indentation */
466 #endif
467 }
468 #endif
469 
470 #endif /* DBUS_PROTOCOL_H */
471