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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include <byteswap.h>
#include <sys/socket.h>
#include "macro.h"
#include "sd-bus.h"
struct bus_container {
char enclosing;
char *signature;
unsigned index;
uint32_t *array_size;
size_t begin;
};
struct bus_header {
uint8_t endian;
uint8_t type;
uint8_t flags;
uint8_t version;
uint32_t body_size;
uint32_t serial;
uint32_t fields_size;
} _packed_;
struct sd_bus_message {
unsigned n_ref;
uint32_t reply_serial;
const char *path;
const char *interface;
const char *member;
const char *destination;
const char *sender;
sd_bus_error error;
uid_t uid;
gid_t gid;
pid_t pid;
pid_t tid;
bool sealed:1;
bool dont_send:1;
bool allow_fds:1;
bool uid_valid:1;
bool gid_valid:1;
bool free_header:1;
bool free_fields:1;
bool free_body:1;
bool free_fds:1;
struct bus_header *header;
void *fields;
void *body;
char *label;
size_t rindex;
uint32_t n_fds;
int *fds;
struct bus_container root_container, *containers;
unsigned n_containers;
struct iovec iovec[4];
unsigned n_iovec;
char *peeked_signature;
};
#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
}
static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
}
static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
}
static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
return BUS_MESSAGE_BSWAP32(m, m->header->serial);
}
static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
}
static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
}
static inline void bus_message_unrefp(sd_bus_message **m) {
sd_bus_message_unref(*m);
}
#define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
int bus_message_seal(sd_bus_message *m, uint64_t serial);
int bus_message_dump(sd_bus_message *m);
int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
int bus_message_from_malloc(
void *buffer,
size_t length,
int *fds,
unsigned n_fds,
const struct ucred *ucred,
const char *label,
sd_bus_message **ret);
const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
size_t bus_message_size(sd_bus_message *m);
|
