1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2013 Lennart Poettering
13 #include <sys/types.h>
20 #include "string-util.h"
22 typedef enum BusTransport {
25 BUS_TRANSPORT_MACHINE,
27 _BUS_TRANSPORT_INVALID = -1
30 typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
32 struct bus_properties_map {
34 const char *signature;
35 bus_property_set_t set;
40 BUS_MAP_STRDUP = 1 << 0, /* If set, each "s" message is duplicated. Thus, each pointer needs to be freed. */
41 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. */
44 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
46 #if 0 /// UNNEEDED by elogind
48 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
49 int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, unsigned flags, sd_bus_error *error, void *userdata);
50 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map,
51 unsigned flags, sd_bus_error *error, sd_bus_message **reply, void *userdata);
53 #if 0 /// UNNEEDED by elogind
54 int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
57 typedef bool (*check_idle_t)(void *userdata);
59 #if 0 /// UNNEEDED by elogind
60 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);
63 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
65 #if 0 /// UNNEEDED by elogind
66 int bus_check_peercred(sd_bus *c);
69 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);
71 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);
72 void bus_verify_polkit_async_registry_free(Hashmap *registry);
74 #if 0 /// UNNEEDED by elogind
76 int bus_connect_system_systemd(sd_bus **_bus);
77 int bus_connect_user_systemd(sd_bus **_bus);
79 int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
80 #if 0 /// UNNEEDED by elogind
82 int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
84 typedef int (*bus_message_print_t) (const char *name, sd_bus_message *m, bool value, bool all);
86 int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
87 int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);
88 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);
90 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);
91 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);
92 #if 0 /// UNNEEDED by elogind
93 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);
96 #define bus_property_get_usec ((sd_bus_property_get_t) NULL)
97 #define bus_property_set_usec ((sd_bus_property_set_t) NULL)
99 assert_cc(sizeof(int) == sizeof(int32_t));
100 #define bus_property_get_int ((sd_bus_property_get_t) NULL)
102 assert_cc(sizeof(unsigned) == sizeof(uint32_t));
103 #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
105 /* On 64bit machines we can use the default serializer for size_t and
106 * friends, otherwise we need to cast this manually */
107 #if __SIZEOF_SIZE_T__ == 8
108 #define bus_property_get_size ((sd_bus_property_get_t) NULL)
110 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);
113 #if __SIZEOF_LONG__ == 8
114 #define bus_property_get_long ((sd_bus_property_get_t) NULL)
115 #define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
117 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);
118 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);
121 /* uid_t and friends on Linux 32 bit. This means we can just use the
122 * default serializer for 32bit unsigned, for serializing it, and map
124 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
125 #define bus_property_get_uid ((sd_bus_property_get_t) NULL)
127 assert_cc(sizeof(gid_t) == sizeof(uint32_t));
128 #define bus_property_get_gid ((sd_bus_property_get_t) NULL)
130 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
131 #define bus_property_get_pid ((sd_bus_property_get_t) NULL)
133 assert_cc(sizeof(mode_t) == sizeof(uint32_t));
134 #define bus_property_get_mode ((sd_bus_property_get_t) NULL)
136 int bus_log_parse_error(int r);
137 int bus_log_create_error(int r);
139 #if 0 /// UNNEEDED by elogind
141 #define BUS_DEFINE_PROPERTY_GET_GLOBAL(function, bus_type, val) \
142 int function(sd_bus *bus, \
144 const char *interface, \
145 const char *property, \
146 sd_bus_message *reply, \
148 sd_bus_error *error) { \
153 return sd_bus_message_append(reply, bus_type, val); \
156 #define BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, get2) \
157 int function(sd_bus *bus, \
159 const char *interface, \
160 const char *property, \
161 sd_bus_message *reply, \
163 sd_bus_error *error) { \
165 data_type *data = userdata; \
171 return sd_bus_message_append(reply, bus_type, \
176 #define BUS_DEFINE_PROPERTY_GET(function, bus_type, data_type, get1) \
177 BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, get1, ident)
179 #define ref(x) (*(x))
180 #define BUS_DEFINE_PROPERTY_GET_REF(function, bus_type, data_type, get) \
181 BUS_DEFINE_PROPERTY_GET2(function, bus_type, data_type, ref, get)
183 #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
184 BUS_DEFINE_PROPERTY_GET_REF(function, "s", type, name##_to_string)
186 #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
187 SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
188 SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
190 #if 0 /// UNNEEDED by elogind
191 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
192 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
195 #if 0 /// UNNEEDED by elogind
196 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);
198 int bus_track_add_name_many(sd_bus_track *t, char **l);
201 int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *description);
202 static inline int bus_open_system_watch_bind(sd_bus **ret) {
203 return bus_open_system_watch_bind_with_description(ret, NULL);
206 int bus_request_name_async_may_reload_dbus(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, uint64_t flags, void *userdata);
208 int bus_reply_pair_array(sd_bus_message *m, char **l);