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 {
37 unsigned index, saved_index;
53 struct sd_bus_message {
58 uint32_t reply_serial;
61 const char *interface;
63 const char *destination;
88 struct bus_header *header;
91 struct kdbus_msg *kdbus;
100 struct bus_container root_container, *containers;
101 unsigned n_containers;
103 struct iovec iovec[3];
106 char *peeked_signature;
110 char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
111 char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
115 const char *tid_comm;
119 size_t cmdline_length;
120 char **cmdline_array;
126 struct kdbus_audit *audit;
129 size_t capability_size;
132 #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
134 static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
135 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
138 static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
139 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
142 static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
143 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
146 static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
147 return BUS_MESSAGE_BSWAP32(m, m->header->serial);
150 static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
151 return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
154 static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
155 return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
158 static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
160 sizeof(struct bus_header) +
161 ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
162 BUS_MESSAGE_BODY_SIZE(m);
165 static inline void bus_message_unrefp(sd_bus_message **m) {
166 sd_bus_message_unref(*m);
169 #define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
171 int bus_message_seal(sd_bus_message *m, uint64_t serial);
172 int bus_message_dump(sd_bus_message *m);
173 int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
174 int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
176 int bus_message_from_header(
181 const struct ucred *ucred,
184 sd_bus_message **ret);
186 int bus_message_from_malloc(
191 const struct ucred *ucred,
193 sd_bus_message **ret);
195 const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
197 int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
199 int bus_message_parse_fields(sd_bus_message *m);
201 int bus_header_size(struct bus_header *h, size_t *sum);