1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 Copyright 2013 Lennart Poettering
11 #include <sys/types.h>
18 #include "string-util.h"
20 typedef enum BusTransport {
23 BUS_TRANSPORT_MACHINE,
25 _BUS_TRANSPORT_INVALID = -1
28 typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
30 struct bus_properties_map {
32 const char *signature;
33 bus_property_set_t set;
38 BUS_MAP_STRDUP = 1 << 0, /* If set, each "s" message is duplicated. Thus, each pointer needs to be freed. */
39 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. */
42 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
44 #if 0 /// UNNEEDED by elogind
46 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
47 int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
48 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map,
49 unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata);
51 #if 0 /// UNNEEDED by elogind
52 int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
55 typedef bool (*check_idle_t)(void *userdata);
57 #if 0 /// UNNEEDED by elogind
58 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);
61 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
63 #if 0 /// UNNEEDED by elogind
64 int bus_check_peercred(sd_bus *c);
67 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);
69 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);
70 void bus_verify_polkit_async_registry_free(Hashmap *registry);
72 #if 0 /// UNNEEDED by elogind
74 int bus_connect_system_systemd(sd_bus **_bus);
75 int bus_connect_user_systemd(sd_bus **_bus);
77 int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
78 #if 0 /// UNNEEDED by elogind
80 int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
82 typedef int (*bus_message_print_t) (const char *name, sd_bus_message *m, bool value, bool all);
84 int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
85 int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);
86 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);
88 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);
89 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);
90 #if 0 /// UNNEEDED by elogind
91 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);
94 #define bus_property_get_usec ((sd_bus_property_get_t) NULL)
95 #define bus_property_set_usec ((sd_bus_property_set_t) NULL)
97 assert_cc(sizeof(int) == sizeof(int32_t));
98 #define bus_property_get_int ((sd_bus_property_get_t) NULL)
100 assert_cc(sizeof(unsigned) == sizeof(uint32_t));
101 #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
103 /* On 64bit machines we can use the default serializer for size_t and
104 * friends, otherwise we need to cast this manually */
105 #if __SIZEOF_SIZE_T__ == 8
106 #define bus_property_get_size ((sd_bus_property_get_t) NULL)
108 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);
111 #if __SIZEOF_LONG__ == 8
112 #define bus_property_get_long ((sd_bus_property_get_t) NULL)
113 #define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
115 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);
116 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);
119 /* uid_t and friends on Linux 32 bit. This means we can just use the
120 * default serializer for 32bit unsigned, for serializing it, and map
122 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
123 #define bus_property_get_uid ((sd_bus_property_get_t) NULL)
125 assert_cc(sizeof(gid_t) == sizeof(uint32_t));
126 #define bus_property_get_gid ((sd_bus_property_get_t) NULL)
128 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
129 #define bus_property_get_pid ((sd_bus_property_get_t) NULL)
131 assert_cc(sizeof(mode_t) == sizeof(uint32_t));
132 #define bus_property_get_mode ((sd_bus_property_get_t) NULL)
134 int bus_log_parse_error(int r);
135 int bus_log_create_error(int r);
137 #if 0 /// UNNEEDED by elogind
139 #define BUS_DEFINE_PROPERTY_GET_GLOBAL(function, bus_type, val) \
140 int function(sd_bus *bus, \
142 const char *interface, \
143 const char *property, \
144 sd_bus_message *reply, \
146 sd_bus_error *error) { \
151 return sd_bus_message_append(reply, bus_type, val); \
154 #define BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, get2) \
155 int function(sd_bus *bus, \
157 const char *interface, \
158 const char *property, \
159 sd_bus_message *reply, \
161 sd_bus_error *error) { \
163 data_type *data = userdata; \
169 return sd_bus_message_append(reply, bus_type, \
174 #define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
175 BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident)
177 #define ref(x) (*(x))
178 #define BUS_DEFINE_PROPERTY_GET_REF(function, bus_type, data_type, get) \
179 BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, ref, get)
181 #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
182 BUS_DEFINE_PROPERTY_GET_REF(function, "s", type, name##_to_string)
184 #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
185 SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
186 SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
188 #if 0 /// UNNEEDED by elogind
189 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
190 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
193 #if 0 /// UNNEEDED by elogind
194 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);
196 int bus_track_add_name_many(sd_bus_track *t, char **l);
199 int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *description);
200 static inline int bus_open_system_watch_bind(sd_bus **ret) {
201 return bus_open_system_watch_bind_with_description(ret, NULL);
204 int bus_request_name_async_may_reload_dbus(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, uint64_t flags, void *userdata);
206 int bus_reply_pair_array(sd_bus_message *m, char **l);