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 #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
128 static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
129 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
132 static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
133 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
136 static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
137 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
140 static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
141 return BUS_MESSAGE_BSWAP32(m, m->header->serial);
144 static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
145 return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
148 static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
149 return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
152 static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
154 sizeof(struct bus_header) +
155 ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
156 BUS_MESSAGE_BODY_SIZE(m);
159 static inline void bus_message_unrefp(sd_bus_message **m) {
160 sd_bus_message_unref(*m);
163 #define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
165 int bus_message_seal(sd_bus_message *m, uint64_t serial);
166 int bus_message_dump(sd_bus_message *m);
167 int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
168 int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
170 int bus_message_from_header(
175 const struct ucred *ucred,
178 sd_bus_message **ret);
180 int bus_message_from_malloc(
185 const struct ucred *ucred,
187 sd_bus_message **ret);
189 const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
191 int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
193 int bus_message_parse_fields(sd_bus_message *m);
195 int bus_header_size(struct bus_header *h, size_t *sum);