X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-message.h;h=2fb11ea3b17c6337149b605ff5cc262e0c0c46bd;hb=7991ac34ab08421415b907e42775c5539a4a5bbb;hp=3289b378f848ca0629453cb950bcf534bd59a039;hpb=2c93b4efeca3ccf38d604d85490b796e875e2c31;p=elogind.git diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index 3289b378f..2fb11ea3b 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -27,15 +27,18 @@ #include "macro.h" #include "sd-bus.h" +#include "kdbus.h" +#include "time-util.h" struct bus_container { char enclosing; + unsigned index, saved_index; + char *signature; - unsigned index; uint32_t *array_size; - size_t begin; + size_t before, begin; }; struct bus_header { @@ -48,9 +51,23 @@ struct bus_header { uint32_t fields_size; } _packed_; +struct bus_body_part { + struct bus_body_part *next; + void *data; + size_t size; + size_t mapped; + 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_serial; const char *path; @@ -65,6 +82,9 @@ struct sd_bus_message { gid_t gid; pid_t pid; pid_t tid; + usec_t pid_starttime; + usec_t monotonic; + usec_t realtime; bool sealed:1; bool dont_send:1; @@ -72,17 +92,21 @@ struct sd_bus_message { bool uid_valid:1; bool gid_valid:1; bool free_header:1; - bool free_fields:1; - bool free_body:1; + bool free_kdbus:1; bool free_fds:1; + bool release_kdbus:1; + bool poisoned:1; struct bus_header *header; - void *fields; - void *body; + struct bus_body_part body; + struct bus_body_part *body_end; + unsigned n_body_parts; char *label; size_t rindex; + struct bus_body_part *cached_rindex_part; + size_t cached_rindex_part_begin; uint32_t n_fds; int *fds; @@ -90,11 +114,36 @@ struct sd_bus_message { struct bus_container root_container, *containers; unsigned n_containers; - struct iovec iovec[4]; + struct iovec *iovec; + struct iovec iovec_fixed[2]; unsigned n_iovec; - size_t size; + + struct kdbus_msg *kdbus; char *peeked_signature; + + usec_t timeout; + + char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1]; + char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1]; + + const char *exe; + const char *comm; + const char *tid_comm; + const char *cgroup; + + const char *cmdline; + size_t cmdline_length; + char **cmdline_array; + + char *session; + char *unit; + char *user_unit; + + struct kdbus_audit *audit; + + uint8_t *capability; + size_t capability_size; }; #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN) @@ -123,6 +172,23 @@ 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 void bus_message_unrefp(sd_bus_message **m) { sd_bus_message_unref(*m); } @@ -134,6 +200,16 @@ int bus_message_dump(sd_bus_message *m); 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( + 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( void *buffer, size_t length, @@ -142,3 +218,24 @@ int bus_message_from_malloc( 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);