1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <endian.h>
#include "macro.h"
/* Packet header */
struct _packed_ bus_header {
/* The first four fields are identical for dbus1, and dbus2 */
uint8_t endian;
uint8_t type;
uint8_t flags;
uint8_t version;
union _packed_ {
/* dbus1: Used for SOCK_STREAM connections */
struct _packed_ {
uint32_t body_size;
/* Note that what the bus spec calls "serial" we'll call
"cookie" instead, because we don't want to imply that the
cookie was in any way monotonically increasing. */
uint32_t serial;
uint32_t fields_size;
} dbus1;
/* dbus2: Used for kdbus connections */
struct _packed_ {
uint32_t _reserved;
uint64_t cookie;
} dbus2;
/* Note that both header versions have the same size! */
};
};
/* Endianness */
enum {
_BUS_INVALID_ENDIAN = 0,
BUS_LITTLE_ENDIAN = 'l',
BUS_BIG_ENDIAN = 'B',
#if __BYTE_ORDER == __BIG_ENDIAN
BUS_NATIVE_ENDIAN = BUS_BIG_ENDIAN,
BUS_REVERSE_ENDIAN = BUS_LITTLE_ENDIAN
#else
BUS_NATIVE_ENDIAN = BUS_LITTLE_ENDIAN,
BUS_REVERSE_ENDIAN = BUS_BIG_ENDIAN
#endif
};
/* Flags */
enum {
BUS_MESSAGE_NO_REPLY_EXPECTED = 1 << 0,
BUS_MESSAGE_NO_AUTO_START = 1 << 1,
BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION = 1 << 2,
};
/* Header fields */
enum {
_BUS_MESSAGE_HEADER_INVALID = 0,
BUS_MESSAGE_HEADER_PATH,
BUS_MESSAGE_HEADER_INTERFACE,
BUS_MESSAGE_HEADER_MEMBER,
BUS_MESSAGE_HEADER_ERROR_NAME,
BUS_MESSAGE_HEADER_REPLY_SERIAL,
BUS_MESSAGE_HEADER_DESTINATION,
BUS_MESSAGE_HEADER_SENDER,
BUS_MESSAGE_HEADER_SIGNATURE,
BUS_MESSAGE_HEADER_UNIX_FDS,
_BUS_MESSAGE_HEADER_MAX
};
/* RequestName parameters */
enum {
BUS_NAME_ALLOW_REPLACEMENT = 1 << 0,
BUS_NAME_REPLACE_EXISTING = 1 << 1,
BUS_NAME_DO_NOT_QUEUE = 1 << 2,
};
/* RequestName returns */
enum {
BUS_NAME_PRIMARY_OWNER = 1,
BUS_NAME_IN_QUEUE = 2,
BUS_NAME_EXISTS = 3,
BUS_NAME_ALREADY_OWNER = 4
};
/* ReleaseName returns */
enum {
BUS_NAME_RELEASED = 1,
BUS_NAME_NON_EXISTENT = 2,
BUS_NAME_NOT_OWNER = 3,
};
/* StartServiceByName returns */
enum {
BUS_START_REPLY_SUCCESS = 1,
BUS_START_REPLY_ALREADY_RUNNING = 2,
};
|
