184 lines
9.2 KiB
C
184 lines
9.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "sd-bus.h"
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#include "sd-event.h"
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#include "hashmap.h"
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#include "macro.h"
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#include "string-util.h"
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#include "time-util.h"
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typedef enum BusTransport {
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BUS_TRANSPORT_LOCAL,
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BUS_TRANSPORT_REMOTE,
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BUS_TRANSPORT_MACHINE,
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_BUS_TRANSPORT_MAX,
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_BUS_TRANSPORT_INVALID = -1
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} BusTransport;
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typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
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struct bus_properties_map {
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const char *member;
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const char *signature;
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bus_property_set_t set;
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size_t offset;
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};
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enum {
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BUS_MAP_STRDUP = 1 << 0, /* If set, each "s" message is duplicated. Thus, each pointer needs to be freed. */
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BUS_MAP_BOOLEAN_AS_BOOL = 1 << 1, /* If set, each "b" message is written to a bool pointer. If not set, "b" is written to a int pointer. */
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};
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int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
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int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
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int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map,
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unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata);
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int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
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typedef bool (*check_idle_t)(void *userdata);
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int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata);
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int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
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int bus_check_peercred(sd_bus *c);
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int bus_test_polkit(sd_bus_message *call, int capability, const char *action, const char **details, uid_t good_user, bool *_challenge, sd_bus_error *e);
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int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *action, const char **details, bool interactive, uid_t good_user, Hashmap **registry, sd_bus_error *error);
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void bus_verify_polkit_async_registry_free(Hashmap *registry);
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int bus_connect_system_systemd(sd_bus **_bus);
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int bus_connect_user_systemd(sd_bus **_bus);
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int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
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int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
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typedef int (*bus_message_print_t) (const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all);
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int bus_print_property_value(const char *name, const char *expected_value, bool only_value, const char *value);
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int bus_print_property_valuef(const char *name, const char *expected_value, bool only_value, const char *fmt, ...) _printf_(4,5);
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int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);
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int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);
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int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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int bus_property_set_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *error);
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int bus_property_get_id128(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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#define bus_property_get_usec ((sd_bus_property_get_t) NULL)
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#define bus_property_set_usec ((sd_bus_property_set_t) NULL)
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assert_cc(sizeof(int) == sizeof(int32_t));
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#define bus_property_get_int ((sd_bus_property_get_t) NULL)
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assert_cc(sizeof(unsigned) == sizeof(uint32_t));
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#define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
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/* On 64bit machines we can use the default serializer for size_t and
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* friends, otherwise we need to cast this manually */
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#if __SIZEOF_SIZE_T__ == 8
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#define bus_property_get_size ((sd_bus_property_get_t) NULL)
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#else
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int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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#endif
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#if __SIZEOF_LONG__ == 8
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#define bus_property_get_long ((sd_bus_property_get_t) NULL)
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#define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
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#else
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int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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#endif
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/* uid_t and friends on Linux 32 bit. This means we can just use the
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* default serializer for 32bit unsigned, for serializing it, and map
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* it to NULL here */
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assert_cc(sizeof(uid_t) == sizeof(uint32_t));
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#define bus_property_get_uid ((sd_bus_property_get_t) NULL)
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assert_cc(sizeof(gid_t) == sizeof(uint32_t));
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#define bus_property_get_gid ((sd_bus_property_get_t) NULL)
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assert_cc(sizeof(pid_t) == sizeof(uint32_t));
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#define bus_property_get_pid ((sd_bus_property_get_t) NULL)
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assert_cc(sizeof(mode_t) == sizeof(uint32_t));
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#define bus_property_get_mode ((sd_bus_property_get_t) NULL)
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int bus_log_parse_error(int r);
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int bus_log_create_error(int r);
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#define BUS_DEFINE_PROPERTY_GET_GLOBAL(function, bus_type, val) \
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int function(sd_bus *bus, \
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const char *path, \
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const char *interface, \
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const char *property, \
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sd_bus_message *reply, \
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void *userdata, \
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sd_bus_error *error) { \
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\
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assert(bus); \
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assert(reply); \
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\
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return sd_bus_message_append(reply, bus_type, val); \
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}
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#define BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, get2) \
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int function(sd_bus *bus, \
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const char *path, \
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const char *interface, \
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const char *property, \
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sd_bus_message *reply, \
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void *userdata, \
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sd_bus_error *error) { \
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\
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data_type *data = userdata; \
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\
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assert(bus); \
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assert(reply); \
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assert(data); \
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\
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return sd_bus_message_append(reply, bus_type, \
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get2(get1(data))); \
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}
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#define ident(x) (x)
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#define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
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BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident)
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#define ref(x) (*(x))
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#define BUS_DEFINE_PROPERTY_GET_REF(function, bus_type, data_type, get) \
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BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, ref, get)
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#define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
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BUS_DEFINE_PROPERTY_GET_REF(function, "s", type, name##_to_string)
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#define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
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SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
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SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
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int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
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int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
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int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
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int bus_track_add_name_many(sd_bus_track *t, char **l);
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int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *description);
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static inline int bus_open_system_watch_bind(sd_bus **ret) {
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return bus_open_system_watch_bind_with_description(ret, NULL);
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}
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int bus_reply_pair_array(sd_bus_message *m, char **l);
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extern const struct hash_ops bus_message_hash_ops;
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