diff options
Diffstat (limited to 'src/systemd/sd-bus.h')
| -rw-r--r-- | src/systemd/sd-bus.h | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h new file mode 100644 index 0000000..74bc56b --- /dev/null +++ b/src/systemd/sd-bus.h @@ -0,0 +1,538 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#ifndef foosdbushfoo +#define foosdbushfoo + +/*** + 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 <https://www.gnu.org/licenses/>. +***/ + +#include <inttypes.h> +#include <stdarg.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/uio.h> + +#include "sd-event.h" +#include "sd-id128.h" + +#include "_sd-common.h" + +_SD_BEGIN_DECLARATIONS; + +#define SD_BUS_DEFAULT ((sd_bus *) 1) +#define SD_BUS_DEFAULT_USER ((sd_bus *) 2) +#define SD_BUS_DEFAULT_SYSTEM ((sd_bus *) 3) + +/* Types */ + +typedef struct sd_bus sd_bus; +typedef struct sd_bus_message sd_bus_message; +typedef struct sd_bus_slot sd_bus_slot; +typedef struct sd_bus_creds sd_bus_creds; +typedef struct sd_bus_track sd_bus_track; + +typedef struct { + const char *name; + const char *message; + int _need_free; +} sd_bus_error; + +typedef struct { + const char *name; + int code; +} sd_bus_error_map; + +/* Flags */ + +__extension__ enum { + SD_BUS_CREDS_PID = 1ULL << 0, + SD_BUS_CREDS_TID = 1ULL << 1, + SD_BUS_CREDS_PPID = 1ULL << 2, + SD_BUS_CREDS_UID = 1ULL << 3, + SD_BUS_CREDS_EUID = 1ULL << 4, + SD_BUS_CREDS_SUID = 1ULL << 5, + SD_BUS_CREDS_FSUID = 1ULL << 6, + SD_BUS_CREDS_GID = 1ULL << 7, + SD_BUS_CREDS_EGID = 1ULL << 8, + SD_BUS_CREDS_SGID = 1ULL << 9, + SD_BUS_CREDS_FSGID = 1ULL << 10, + SD_BUS_CREDS_SUPPLEMENTARY_GIDS = 1ULL << 11, + SD_BUS_CREDS_COMM = 1ULL << 12, + SD_BUS_CREDS_TID_COMM = 1ULL << 13, + SD_BUS_CREDS_EXE = 1ULL << 14, + SD_BUS_CREDS_CMDLINE = 1ULL << 15, + SD_BUS_CREDS_CGROUP = 1ULL << 16, + SD_BUS_CREDS_UNIT = 1ULL << 17, + SD_BUS_CREDS_SLICE = 1ULL << 18, + SD_BUS_CREDS_USER_UNIT = 1ULL << 19, + SD_BUS_CREDS_USER_SLICE = 1ULL << 20, + SD_BUS_CREDS_SESSION = 1ULL << 21, + SD_BUS_CREDS_OWNER_UID = 1ULL << 22, + SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 23, + SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 24, + SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 25, + SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 26, + SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 27, + SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 28, + SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 29, + SD_BUS_CREDS_TTY = 1ULL << 30, + SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 31, + SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 32, + SD_BUS_CREDS_DESCRIPTION = 1ULL << 33, + SD_BUS_CREDS_AUGMENT = 1ULL << 63, /* special flag, if on sd-bus will augment creds struct, in a potentially race-full way. */ + _SD_BUS_CREDS_ALL = (1ULL << 34) -1 +}; + +__extension__ enum { + SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0, + SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1, + SD_BUS_NAME_QUEUE = 1ULL << 2 +}; + +__extension__ enum { + SD_BUS_MESSAGE_DUMP_WITH_HEADER = 1ULL << 0, + SD_BUS_MESSAGE_DUMP_SUBTREE_ONLY = 1ULL << 1, + _SD_BUS_MESSAGE_DUMP_KNOWN_FLAGS = SD_BUS_MESSAGE_DUMP_WITH_HEADER | SD_BUS_MESSAGE_DUMP_SUBTREE_ONLY +}; + +/* Callbacks */ + +typedef int (*sd_bus_message_handler_t)(sd_bus_message *m, void *userdata, sd_bus_error *ret_error); +typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error); +typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *ret_error); +typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void *userdata, void **ret_found, sd_bus_error *ret_error); +typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *prefix, void *userdata, char ***ret_nodes, sd_bus_error *ret_error); +typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata); +typedef _sd_destroy_t sd_bus_destroy_t; + +#include "sd-bus-protocol.h" +#include "sd-bus-vtable.h" + +/* Naming */ + +int sd_bus_interface_name_is_valid(const char *p); +int sd_bus_service_name_is_valid(const char *p); +int sd_bus_member_name_is_valid(const char *p); +int sd_bus_object_path_is_valid(const char *p); + +/* Connections */ + +int sd_bus_default(sd_bus **ret); +int sd_bus_default_user(sd_bus **ret); +int sd_bus_default_system(sd_bus **ret); + +int sd_bus_open(sd_bus **ret); +int sd_bus_open_with_description(sd_bus **ret, const char *description); +int sd_bus_open_user(sd_bus **ret); +int sd_bus_open_user_with_description(sd_bus **ret, const char *description); +int sd_bus_open_user_machine(sd_bus **ret, const char *machine); +int sd_bus_open_system(sd_bus **ret); +int sd_bus_open_system_with_description(sd_bus **ret, const char *description); +int sd_bus_open_system_remote(sd_bus **ret, const char *host); +int sd_bus_open_system_machine(sd_bus **ret, const char *machine); + +int sd_bus_new(sd_bus **ret); + +int sd_bus_set_address(sd_bus *bus, const char *address); +int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd); +int sd_bus_set_exec(sd_bus *bus, const char *path, char *const *argv); +int sd_bus_get_address(sd_bus *bus, const char **address); +int sd_bus_set_bus_client(sd_bus *bus, int b); +int sd_bus_is_bus_client(sd_bus *bus); +int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t bus_id); +int sd_bus_is_server(sd_bus *bus); +int sd_bus_set_anonymous(sd_bus *bus, int b); +int sd_bus_is_anonymous(sd_bus *bus); +int sd_bus_set_trusted(sd_bus *bus, int b); +int sd_bus_is_trusted(sd_bus *bus); +int sd_bus_set_monitor(sd_bus *bus, int b); +int sd_bus_is_monitor(sd_bus *bus); +int sd_bus_set_description(sd_bus *bus, const char *description); +int sd_bus_get_description(sd_bus *bus, const char **description); +int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t creds_mask); +int sd_bus_negotiate_timestamp(sd_bus *bus, int b); +int sd_bus_negotiate_fds(sd_bus *bus, int b); +int sd_bus_can_send(sd_bus *bus, char type); +int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *creds_mask); +int sd_bus_set_allow_interactive_authorization(sd_bus *bus, int b); +int sd_bus_get_allow_interactive_authorization(sd_bus *bus); +int sd_bus_set_exit_on_disconnect(sd_bus *bus, int b); +int sd_bus_get_exit_on_disconnect(sd_bus *bus); +int sd_bus_set_close_on_exit(sd_bus *bus, int b); +int sd_bus_get_close_on_exit(sd_bus *bus); +int sd_bus_set_watch_bind(sd_bus *bus, int b); +int sd_bus_get_watch_bind(sd_bus *bus); +int sd_bus_set_connected_signal(sd_bus *bus, int b); +int sd_bus_get_connected_signal(sd_bus *bus); +int sd_bus_set_sender(sd_bus *bus, const char *sender); +int sd_bus_get_sender(sd_bus *bus, const char **ret); + +int sd_bus_start(sd_bus *bus); + +int sd_bus_try_close(sd_bus *bus) _sd_deprecated_; +void sd_bus_close(sd_bus *bus); + +sd_bus* sd_bus_ref(sd_bus *bus); +sd_bus* sd_bus_unref(sd_bus *bus); +sd_bus* sd_bus_close_unref(sd_bus *bus); +sd_bus* sd_bus_flush_close_unref(sd_bus *bus); + +void sd_bus_default_flush_close(void); + +int sd_bus_is_open(sd_bus *bus); +int sd_bus_is_ready(sd_bus *bus); + +int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id); +int sd_bus_get_scope(sd_bus *bus, const char **scope); +int sd_bus_get_tid(sd_bus *bus, pid_t *tid); +int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret); + +int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie); +int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie); +int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply); +int sd_bus_call_async(sd_bus *bus, sd_bus_slot **slot, sd_bus_message *m, sd_bus_message_handler_t callback, void *userdata, uint64_t usec); + +int sd_bus_get_fd(sd_bus *bus); +int sd_bus_get_events(sd_bus *bus); +int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec); +int sd_bus_process(sd_bus *bus, sd_bus_message **r); +int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r) _sd_deprecated_; +int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec); +int sd_bus_flush(sd_bus *bus); +int sd_bus_enqueue_for_read(sd_bus *bus, sd_bus_message *m); + +sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus); +sd_bus_message* sd_bus_get_current_message(sd_bus *bus); +sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus); +void* sd_bus_get_current_userdata(sd_bus *bus); + +int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority); +int sd_bus_detach_event(sd_bus *bus); +sd_event* sd_bus_get_event(sd_bus *bus); + +int sd_bus_get_n_queued_read(sd_bus *bus, uint64_t *ret); +int sd_bus_get_n_queued_write(sd_bus *bus, uint64_t *ret); + +int sd_bus_set_method_call_timeout(sd_bus *bus, uint64_t usec); +int sd_bus_get_method_call_timeout(sd_bus *bus, uint64_t *ret); + +int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_add_match_async(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, sd_bus_message_handler_t install_callback, void *userdata); +int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_add_object_vtable(sd_bus *bus, sd_bus_slot **slot, const char *path, const char *interface, const sd_bus_vtable *vtable, void *userdata); +int sd_bus_add_fallback_vtable(sd_bus *bus, sd_bus_slot **slot, const char *prefix, const char *interface, const sd_bus_vtable *vtable, sd_bus_object_find_t find, void *userdata); +int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata); +int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path); + +/* Slot object */ + +sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot); +sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot); + +sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot); +void* sd_bus_slot_get_userdata(sd_bus_slot *slot); +void* sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata); +int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description); +int sd_bus_slot_get_description(sd_bus_slot *slot, const char **description); +int sd_bus_slot_get_floating(sd_bus_slot *slot); +int sd_bus_slot_set_floating(sd_bus_slot *slot, int b); +int sd_bus_slot_set_destroy_callback(sd_bus_slot *s, sd_bus_destroy_t callback); +int sd_bus_slot_get_destroy_callback(sd_bus_slot *s, sd_bus_destroy_t *callback); + +sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot); +sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *slot); +void* sd_bus_slot_get_current_userdata(sd_bus_slot *slot); + +/* Message object */ + +int sd_bus_message_new(sd_bus *bus, sd_bus_message **m, uint8_t type); +int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member); +int sd_bus_message_new_method_call(sd_bus *bus, sd_bus_message **m, const char *destination, const char *path, const char *interface, const char *member); +int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m); +int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e); +int sd_bus_message_new_method_errorf(sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_(4, 5); +int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e); +int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5); + +sd_bus_message* sd_bus_message_ref(sd_bus_message *m); +sd_bus_message* sd_bus_message_unref(sd_bus_message *m); + +int sd_bus_message_seal(sd_bus_message *m, uint64_t cookie, uint64_t timeout_usec); + +int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type); +int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie); +int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie); +int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority) _sd_deprecated_; + +int sd_bus_message_get_expect_reply(sd_bus_message *m); +int sd_bus_message_get_auto_start(sd_bus_message *m); +int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m); + +const char* sd_bus_message_get_signature(sd_bus_message *m, int complete); +const char* sd_bus_message_get_path(sd_bus_message *m); +const char* sd_bus_message_get_interface(sd_bus_message *m); +const char* sd_bus_message_get_member(sd_bus_message *m); +const char* sd_bus_message_get_destination(sd_bus_message *m); +const char* sd_bus_message_get_sender(sd_bus_message *m); +const sd_bus_error* sd_bus_message_get_error(sd_bus_message *m); +int sd_bus_message_get_errno(sd_bus_message *m); + +int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec); +int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec); +int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t *seqnum); + +sd_bus* sd_bus_message_get_bus(sd_bus_message *m); +sd_bus_creds* sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */ + +int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member); +int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member); +int sd_bus_message_is_method_error(sd_bus_message *m, const char *name); +int sd_bus_message_is_empty(sd_bus_message *m); +int sd_bus_message_has_signature(sd_bus_message *m, const char *signature); + +int sd_bus_message_set_expect_reply(sd_bus_message *m, int b); +int sd_bus_message_set_auto_start(sd_bus_message *m, int b); +int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b); + +int sd_bus_message_set_destination(sd_bus_message *m, const char *destination); +int sd_bus_message_set_sender(sd_bus_message *m, const char *sender); +int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority) _sd_deprecated_; + +int sd_bus_message_append(sd_bus_message *m, const char *types, ...); +int sd_bus_message_appendv(sd_bus_message *m, const char *types, va_list ap); +int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p); +int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size); +int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr); +int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n); +int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd, uint64_t offset, uint64_t size); +int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s); +int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n); +int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd, uint64_t offset, uint64_t size); +int sd_bus_message_append_strv(sd_bus_message *m, char **l); +int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); +int sd_bus_message_close_container(sd_bus_message *m); +int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all); + +int sd_bus_message_read(sd_bus_message *m, const char *types, ...); +int sd_bus_message_readv(sd_bus_message *m, const char *types, va_list ap); +int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p); +int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size); +int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */ +int sd_bus_message_read_strv_extend(sd_bus_message *m, char ***l); +int sd_bus_message_skip(sd_bus_message *m, const char *types); +int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents); +int sd_bus_message_exit_container(sd_bus_message *m); +int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents); +int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents); +int sd_bus_message_at_end(sd_bus_message *m, int complete); +int sd_bus_message_rewind(sd_bus_message *m, int complete); +int sd_bus_message_sensitive(sd_bus_message *m); + +int sd_bus_message_dump(sd_bus_message *m, FILE *f, uint64_t flags); + +/* Bus management */ + +int sd_bus_get_unique_name(sd_bus *bus, const char **unique); +int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags); +int sd_bus_request_name_async(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, uint64_t flags, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_release_name(sd_bus *bus, const char *name); +int sd_bus_release_name_async(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */ +int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */ +int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine); + +/* Convenience calls */ + +int sd_bus_message_send(sd_bus_message *m); +int sd_bus_call_methodv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, va_list ap); +int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...); +int sd_bus_call_method_asyncv(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, va_list ap); +int sd_bus_call_method_async(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...); +int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *type); +int sd_bus_get_property_trivial(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char type, void *ret_ptr); +int sd_bus_get_property_string(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char **ret); /* free the result! */ +int sd_bus_get_property_strv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char ***ret); /* free the result! */ +int sd_bus_set_propertyv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, const char *type, va_list ap); +int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, const char *type, ...); + +int sd_bus_reply_method_returnv(sd_bus_message *call, const char *types, va_list ap); +int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...); +int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e); +int sd_bus_reply_method_errorfv(sd_bus_message *call, const char *name, const char *format, va_list ap) _sd_printf_(3, 0); +int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4); +int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e); +int sd_bus_reply_method_errnofv(sd_bus_message *call, int error, const char *format, va_list ap) _sd_printf_(3, 0); +int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4); + +int sd_bus_emit_signalv(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, va_list ap); +int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...); + +int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names); +int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_; + +int sd_bus_emit_object_added(sd_bus *bus, const char *path); +int sd_bus_emit_object_removed(sd_bus *bus, const char *path); +int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces); +int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_; +int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces); +int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_; + +int sd_bus_query_sender_creds(sd_bus_message *m, uint64_t mask, sd_bus_creds **creds); +int sd_bus_query_sender_privilege(sd_bus_message *m, int capability); + +int sd_bus_match_signal(sd_bus *bus, sd_bus_slot **ret, const char *sender, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata); +int sd_bus_match_signal_async(sd_bus *bus, sd_bus_slot **ret, const char *sender, const char *path, const char *interface, const char *member, sd_bus_message_handler_t match_callback, sd_bus_message_handler_t add_callback, void *userdata); + +/* Credential handling */ + +int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask); +sd_bus_creds* sd_bus_creds_ref(sd_bus_creds *c); +sd_bus_creds* sd_bus_creds_unref(sd_bus_creds *c); +uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c); +uint64_t sd_bus_creds_get_augmented_mask(const sd_bus_creds *c); + +int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid); +int sd_bus_creds_get_ppid(sd_bus_creds *c, pid_t *ppid); +int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid); +int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid); +int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid); +int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid); +int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid); +int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid); +int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid); +int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid); +int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid); +int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids); +int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm); +int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm); +int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe); +int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline); +int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup); +int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit); +int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice); +int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit); +int sd_bus_creds_get_user_slice(sd_bus_creds *c, const char **slice); +int sd_bus_creds_get_session(sd_bus_creds *c, const char **session); +int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid); +int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability); +int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability); +int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability); +int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability); +int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context); +int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid); +int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid); +int sd_bus_creds_get_tty(sd_bus_creds *c, const char **tty); +int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name); +int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names); +int sd_bus_creds_get_description(sd_bus_creds *c, const char **name); + +/* Error structures */ + +#define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0}) +#define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL) + +void sd_bus_error_free(sd_bus_error *e); +int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message); +int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4); +int sd_bus_error_setfv(sd_bus_error *e, const char *name, const char *format, va_list ap) _sd_printf_(3,0); + +int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); +int sd_bus_error_set_errno(sd_bus_error *e, int error); +int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4); +int sd_bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap) _sd_printf_(3,0); +int sd_bus_error_get_errno(const sd_bus_error *e); +int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e); +int sd_bus_error_move(sd_bus_error *dest, sd_bus_error *e); +int sd_bus_error_is_set(const sd_bus_error *e); +int sd_bus_error_has_name(const sd_bus_error *e, const char *name); +int sd_bus_error_has_names_sentinel(const sd_bus_error *e, ...) _sd_sentinel_; +#define sd_bus_error_has_names(e, ...) sd_bus_error_has_names_sentinel(e, __VA_ARGS__, NULL) + +#define SD_BUS_ERROR_MAP(_name, _code) \ + { \ + .name = _name, \ + .code = _code, \ + } +#define SD_BUS_ERROR_MAP_END \ + { \ + .name = NULL, \ + .code = - 'x', \ + } + +int sd_bus_error_add_map(const sd_bus_error_map *map); + +/* Auxiliary macros */ + +#define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \ + (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \ + (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \ + (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \ + (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15] + +#define SD_BUS_MESSAGE_READ_ID128(x) 16, \ + &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \ + &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \ + &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \ + &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15] + +/* Label escaping */ + +int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path); +int sd_bus_path_encode_many(char **out, const char *path_template, ...); +int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id); +int sd_bus_path_decode_many(const char *path, const char *path_template, ...); + +/* Tracking peers */ + +int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata); +sd_bus_track* sd_bus_track_ref(sd_bus_track *track); +sd_bus_track* sd_bus_track_unref(sd_bus_track *track); + +sd_bus* sd_bus_track_get_bus(sd_bus_track *track); +void* sd_bus_track_get_userdata(sd_bus_track *track); +void* sd_bus_track_set_userdata(sd_bus_track *track, void *userdata); + +int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m); +int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m); +int sd_bus_track_add_name(sd_bus_track *track, const char *name); +int sd_bus_track_remove_name(sd_bus_track *track, const char *name); + +int sd_bus_track_set_recursive(sd_bus_track *track, int b); +int sd_bus_track_get_recursive(sd_bus_track *track); + +unsigned sd_bus_track_count(sd_bus_track *track); +int sd_bus_track_count_sender(sd_bus_track *track, sd_bus_message *m); +int sd_bus_track_count_name(sd_bus_track *track, const char *name); + +const char* sd_bus_track_contains(sd_bus_track *track, const char *name); +const char* sd_bus_track_first(sd_bus_track *track); +const char* sd_bus_track_next(sd_bus_track *track); + +int sd_bus_track_set_destroy_callback(sd_bus_track *s, sd_bus_destroy_t callback); +int sd_bus_track_get_destroy_callback(sd_bus_track *s, sd_bus_destroy_t *ret); + +/* Define helpers so that __attribute__((cleanup(sd_bus_unrefp))) and similar may be used. */ +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus, sd_bus_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus, sd_bus_close_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus, sd_bus_flush_close_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_slot, sd_bus_slot_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_message, sd_bus_message_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_creds, sd_bus_creds_unref); +_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_bus_track, sd_bus_track_unref); + +_SD_END_DECLARATIONS; + +#endif |