1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2013 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include <sys/socket.h>
31 #include "time-util.h"
33 struct bus_container {
53 struct sd_bus_message {
56 uint32_t reply_serial;
59 const char *interface;
61 const char *destination;
85 struct bus_header *header;
88 struct kdbus_msg *kdbus;
97 struct bus_container root_container, *containers;
98 unsigned n_containers;
100 struct iovec iovec[3];
103 char *peeked_signature;
107 char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
108 char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
112 const char *tid_comm;
116 size_t cmdline_length;
117 char **cmdline_array;
123 struct kdbus_audit *audit;
126 size_t capability_size;
129 #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
131 static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
132 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
135 static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
136 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
139 static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
140 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
143 static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
144 return BUS_MESSAGE_BSWAP32(m, m->header->serial);
147 static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
148 return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
151 static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
152 return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
155 static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
157 sizeof(struct bus_header) +
158 ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
159 BUS_MESSAGE_BODY_SIZE(m);
162 static inline void bus_message_unrefp(sd_bus_message **m) {
163 sd_bus_message_unref(*m);
166 #define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
168 int bus_message_seal(sd_bus_message *m, uint64_t serial);
169 int bus_message_dump(sd_bus_message *m);
170 int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
171 int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
173 int bus_message_from_header(
178 const struct ucred *ucred,
181 sd_bus_message **ret);
183 int bus_message_from_malloc(
188 const struct ucred *ucred,
190 sd_bus_message **ret);
192 const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
194 int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
196 int bus_message_parse_fields(sd_bus_message *m);
198 int bus_header_size(struct bus_header *h, size_t *sum);