2013-03-19 20:03:16 +01:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2013 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdbool.h>
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#include <byteswap.h>
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2013-03-22 03:36:58 +01:00
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#include <sys/socket.h>
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2013-03-19 20:03:16 +01:00
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#include "macro.h"
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#include "sd-bus.h"
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2013-04-11 23:09:29 +02:00
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#include "kdbus.h"
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2013-04-12 00:26:12 +02:00
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#include "time-util.h"
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2013-03-19 20:03:16 +01:00
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struct bus_container {
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char enclosing;
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char *signature;
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2013-05-09 20:00:51 +02:00
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unsigned index, saved_index;
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uint32_t *array_size;
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size_t before, begin;
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};
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2013-03-23 02:58:43 +01:00
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struct bus_header {
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uint8_t endian;
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uint8_t type;
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uint8_t flags;
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uint8_t version;
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uint32_t body_size;
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uint32_t serial;
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uint32_t fields_size;
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} _packed_;
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struct sd_bus_message {
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unsigned n_ref;
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uint32_t reply_serial;
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const char *path;
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const char *interface;
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const char *member;
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const char *destination;
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const char *sender;
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sd_bus_error error;
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uid_t uid;
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gid_t gid;
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pid_t pid;
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pid_t tid;
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usec_t pid_starttime;
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usec_t monotonic;
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usec_t realtime;
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bool sealed:1;
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bool dont_send:1;
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bool allow_fds:1;
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bool uid_valid:1;
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bool gid_valid:1;
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bool free_header:1;
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bool free_fields:1;
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bool free_body:1;
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bool free_kdbus:1;
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bool free_fds:1;
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struct bus_header *header;
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void *fields;
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void *body;
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struct kdbus_msg *kdbus;
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char *label;
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2013-03-20 03:15:03 +01:00
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size_t rindex;
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uint32_t n_fds;
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int *fds;
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2013-03-20 03:15:03 +01:00
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struct bus_container root_container, *containers;
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unsigned n_containers;
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2013-04-13 21:53:11 +02:00
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struct iovec iovec[3];
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unsigned n_iovec;
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char *peeked_signature;
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usec_t timeout;
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char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
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char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
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const char *exe;
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const char *comm;
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const char *tid_comm;
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const char *cgroup;
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const char *cmdline;
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size_t cmdline_length;
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char **cmdline_array;
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char *session;
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char *unit;
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char *user_unit;
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struct kdbus_audit *audit;
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uint8_t *capability;
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size_t capability_size;
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};
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2013-03-20 05:29:20 +01:00
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#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
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2013-03-20 03:15:03 +01:00
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static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
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return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
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}
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static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
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return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
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}
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2013-03-20 03:15:03 +01:00
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static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
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return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
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}
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static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
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return BUS_MESSAGE_BSWAP32(m, m->header->serial);
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}
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static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
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return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
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}
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static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
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return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
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}
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2013-04-11 23:09:29 +02:00
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static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
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return
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sizeof(struct bus_header) +
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ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
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BUS_MESSAGE_BODY_SIZE(m);
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}
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2013-03-19 20:03:16 +01:00
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static inline void bus_message_unrefp(sd_bus_message **m) {
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sd_bus_message_unref(*m);
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}
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#define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
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2013-03-20 03:15:03 +01:00
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int bus_message_seal(sd_bus_message *m, uint64_t serial);
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int bus_message_dump(sd_bus_message *m);
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int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
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int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
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2013-04-11 23:09:29 +02:00
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int bus_message_from_header(
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void *header,
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size_t length,
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int *fds,
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unsigned n_fds,
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const struct ucred *ucred,
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const char *label,
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size_t extra,
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sd_bus_message **ret);
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2013-03-24 22:02:05 +01:00
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int bus_message_from_malloc(
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void *buffer,
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size_t length,
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int *fds,
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unsigned n_fds,
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const struct ucred *ucred,
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const char *label,
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sd_bus_message **ret);
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2013-03-31 16:16:37 +02:00
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const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
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2013-04-05 04:15:39 +02:00
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int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
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2013-04-11 02:09:36 +02:00
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2013-04-11 23:09:29 +02:00
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int bus_message_parse_fields(sd_bus_message *m);
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int bus_header_size(struct bus_header *h, size_t *sum);
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