/*-*- 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 . ***/ #include #include #include #include "macro.h" #include "sd-bus.h" #include "kdbus.h" #include "time-util.h" struct bus_container { char enclosing; char *signature; unsigned index; uint32_t *array_size; size_t begin; }; struct bus_header { uint8_t endian; uint8_t type; uint8_t flags; uint8_t version; uint32_t body_size; uint32_t serial; uint32_t fields_size; } _packed_; struct sd_bus_message { unsigned n_ref; uint32_t reply_serial; const char *path; const char *interface; const char *member; const char *destination; const char *sender; sd_bus_error error; uid_t uid; gid_t gid; pid_t pid; pid_t tid; 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_fields:1; bool free_body:1; bool free_kdbus:1; bool free_fds:1; struct bus_header *header; void *fields; void *body; struct kdbus_msg *kdbus; char *label; size_t rindex; uint32_t n_fds; int *fds; struct bus_container root_container, *containers; unsigned n_containers; struct iovec iovec[4]; unsigned n_iovec; char *peeked_signature; usec_t timeout; }; #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_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_SERIAL(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 void bus_message_unrefp(sd_bus_message **m) { sd_bus_message_unref(*m); } #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_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, 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); int bus_header_size(struct bus_header *h, size_t *sum);