+++ /dev/null
-/*-*- 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"
-#include "kdbus.h"
-#include "time-util.h"
-#include "bus-creds.h"
-#include "bus-protocol.h"
-
-struct bus_container {
- char enclosing;
- bool need_offsets:1;
-
- /* Indexes into the signature string */
- unsigned index, saved_index;
- char *signature;
-
- size_t before, begin, end;
-
- /* dbus1: pointer to the array size value, if this is a value */
- uint32_t *array_size;
-
- /* gvariant: list of offsets to end of children if this is struct/dict entry/array */
- size_t *offsets, n_offsets, offsets_allocated, offset_index;
- size_t item_size;
-
- char *peeked_signature;
-};
-
-struct bus_header {
- uint8_t endian;
- uint8_t type;
- uint8_t flags;
- uint8_t version;
- uint32_t body_size;
-
- /* Note that what the bus spec calls "serial" we'll call
- "cookie" instead, because we don't want to imply that the
- cookie was in any way monotonically increasing. */
- uint32_t serial;
- uint32_t fields_size;
-} _packed_;
-
-struct bus_body_part {
- struct bus_body_part *next;
- void *data;
- size_t size;
- size_t mapped;
- size_t allocated;
- int memfd;
- bool free_this:1;
- bool munmap_this:1;
- bool sealed:1;
- bool is_zero:1;
-};
-
-struct sd_bus_message {
- unsigned n_ref;
-
- sd_bus *bus;
-
- uint32_t reply_cookie;
-
- const char *path;
- const char *interface;
- const char *member;
- const char *destination;
- const char *sender;
-
- sd_bus_error error;
-
- sd_bus_creds creds;
-
- usec_t monotonic;
- usec_t realtime;
-
- bool sealed:1;
- bool dont_send:1;
- bool allow_fds:1;
- bool free_header:1;
- bool free_kdbus:1;
- bool free_fds:1;
- bool release_kdbus:1;
- bool poisoned:1;
-
- struct bus_header *header;
- struct bus_body_part body;
- struct bus_body_part *body_end;
- unsigned n_body_parts;
-
- size_t rindex;
- struct bus_body_part *cached_rindex_part;
- size_t cached_rindex_part_begin;
-
- uint32_t n_fds;
- int *fds;
-
- struct bus_container root_container, *containers;
- unsigned n_containers;
- size_t containers_allocated;
-
- struct iovec *iovec;
- struct iovec iovec_fixed[2];
- unsigned n_iovec;
-
- struct kdbus_msg *kdbus;
-
- char *peeked_signature;
-
- /* If set replies to this message must carry the signature
- * specified here to successfully seal. This is initialized
- * from the vtable data */
- const char *enforced_reply_signature;
-
- usec_t timeout;
-
- char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
- char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
-
- size_t header_offsets[_BUS_MESSAGE_HEADER_MAX];
- unsigned n_header_offsets;
-};
-
-#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != 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_COOKIE(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 uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
- return
- sizeof(struct bus_header) +
- ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
- BUS_MESSAGE_BODY_SIZE(m);
-}
-
-static inline uint32_t BUS_MESSAGE_BODY_BEGIN(sd_bus_message *m) {
- return
- sizeof(struct bus_header) +
- ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m));
-}
-
-static inline void* BUS_MESSAGE_FIELDS(sd_bus_message *m) {
- return (uint8_t*) m->header + sizeof(struct bus_header);
-}
-
-static inline bool BUS_MESSAGE_IS_GVARIANT(sd_bus_message *m) {
- return m->header->version == 2;
-}
-
-int bus_message_seal(sd_bus_message *m, uint64_t serial, usec_t timeout);
-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_header(
- sd_bus *bus,
- void *header,
- size_t length,
- int *fds,
- unsigned n_fds,
- const struct ucred *ucred,
- const char *label,
- size_t extra,
- sd_bus_message **ret);
-
-int bus_message_from_malloc(
- sd_bus *bus,
- 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);
-
-int bus_message_parse_fields(sd_bus_message *m);
-
-bool bus_header_is_complete(struct bus_header *h, size_t size);
-int bus_header_message_size(struct bus_header *h, size_t *sum);
-
-struct bus_body_part *message_append_part(sd_bus_message *m);
-
-#define MESSAGE_FOREACH_PART(part, i, m) \
- for ((i) = 0, (part) = &(m)->body; (i) < (m)->n_body_parts; (i)++, (part) = (part)->next)
-
-int bus_body_part_map(struct bus_body_part *part);
-void bus_body_part_unmap(struct bus_body_part *part);
-
-int bus_message_to_errno(sd_bus_message *m);
-
-int bus_message_new_synthetic_error(sd_bus *bus, uint64_t serial, const sd_bus_error *e, sd_bus_message **m);
-
-int bus_message_remarshal(sd_bus *bus, sd_bus_message **m);
-
-int bus_message_append_sender(sd_bus_message *m, const char *sender);
~ianmdlvl / elogind.git / blobdiff