X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-message.h;h=589c819c730a6528f8fae1f4cf430f5f09bdb515;hp=2517514bac13168a034d4e5a61ef3a7cbb713460;hb=a7639e37afd6afeb7b83b11e75894faa06694ba6;hpb=c91cb83c4dbc9a95a0a2a38e7028e0a7f4af3b35 diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index 2517514ba..589c819c7 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -29,15 +29,25 @@ #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; - char *signature; + /* 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; - size_t before, begin; + + /* 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; }; struct bus_header { @@ -51,13 +61,16 @@ struct bus_header { } _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; - struct bus_body_part *next; + bool is_zero:1; }; struct sd_bus_message { @@ -75,19 +88,14 @@ struct sd_bus_message { sd_bus_error error; - uid_t uid; - gid_t gid; - pid_t pid; - pid_t tid; - usec_t pid_starttime; + sd_bus_creds creds; + usec_t monotonic; usec_t realtime; bool sealed:1; bool dont_send:1; bool allow_fds:1; - bool uid_valid:1; - bool gid_valid:1; bool free_header:1; bool free_kdbus:1; bool free_fds:1; @@ -99,8 +107,6 @@ struct sd_bus_message { 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; @@ -110,6 +116,7 @@ struct sd_bus_message { struct bus_container root_container, *containers; unsigned n_containers; + size_t containers_allocated; struct iovec *iovec; struct iovec iovec_fixed[2]; @@ -119,31 +126,21 @@ struct sd_bus_message { 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]; - 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; + size_t header_offsets[_BUS_MESSAGE_HEADER_MAX]; + unsigned n_header_offsets; }; -#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN) +#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; @@ -186,18 +183,16 @@ 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); +static inline bool BUS_MESSAGE_IS_GVARIANT(sd_bus_message *m) { + return m->header->version == 2; } -#define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp))) - -int bus_message_seal(sd_bus_message *m, uint64_t serial); -int bus_message_dump(sd_bus_message *m); +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, @@ -208,6 +203,7 @@ int bus_message_from_header( sd_bus_message **ret); int bus_message_from_malloc( + sd_bus *bus, void *buffer, size_t length, int *fds, @@ -229,3 +225,14 @@ 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);