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;
+ void *mmap_begin;
size_t size;
size_t mapped;
size_t allocated;
+ uint64_t memfd_offset;
int memfd;
bool free_this:1;
bool munmap_this:1;
bool release_kdbus:1;
bool poisoned:1;
+ /* The first and last bytes of the message */
struct bus_header *header;
+ void *footer;
+
+ /* How many bytes are accessible in the above pointers */
+ size_t header_accessible;
+ size_t footer_accessible;
+
+ size_t fields_size;
+ size_t body_size;
+ size_t user_body_size;
+
struct bus_body_part body;
struct bus_body_part *body_end;
unsigned n_body_parts;
int *fds;
struct bus_container root_container, *containers;
- unsigned n_containers;
+ size_t n_containers;
size_t containers_allocated;
struct iovec *iovec;
unsigned n_header_offsets;
};
-#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != BUS_NATIVE_ENDIAN)
+static inline bool BUS_MESSAGE_NEED_BSWAP(sd_bus_message *m) {
+ return 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 uint64_t BUS_MESSAGE_COOKIE(sd_bus_message *m) {
- /* Note that we return the serial converted to a 64bit value here */
- return BUS_MESSAGE_BSWAP32(m, m->header->serial);
-}
+ if (m->header->version == 2)
+ return BUS_MESSAGE_BSWAP64(m, m->header->dbus2.cookie);
-static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
- return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
+ return BUS_MESSAGE_BSWAP32(m, m->header->dbus1.serial);
}
-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) {
+static inline size_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
return
sizeof(struct bus_header) +
- ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
- BUS_MESSAGE_BODY_SIZE(m);
+ ALIGN8(m->fields_size) +
+ m->body_size;
}
-static inline uint32_t BUS_MESSAGE_BODY_BEGIN(sd_bus_message *m) {
+static inline size_t BUS_MESSAGE_BODY_BEGIN(sd_bus_message *m) {
return
sizeof(struct bus_header) +
- ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m));
+ ALIGN8(m->fields_size);
}
static inline void* BUS_MESSAGE_FIELDS(sd_bus_message *m) {
int bus_message_from_header(
sd_bus *bus,
void *header,
- size_t length,
+ size_t header_accessible,
+ void *footer,
+ size_t footer_accessible,
+ size_t message_size,
int *fds,
unsigned n_fds,
const struct ucred *ucred,
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) \
int bus_message_remarshal(sd_bus *bus, sd_bus_message **m);
int bus_message_append_sender(sd_bus_message *m, const char *sender);
+
+void bus_message_set_sender_driver(sd_bus *bus, sd_bus_message *m);
+void bus_message_set_sender_local(sd_bus *bus, sd_bus_message *m);