1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2013 Lennart Poettering
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include <sys/types.h>
33 #include "string-util.h"
35 typedef enum BusTransport {
38 BUS_TRANSPORT_MACHINE,
40 _BUS_TRANSPORT_INVALID = -1
43 typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
45 struct bus_properties_map {
47 const char *signature;
48 bus_property_set_t set;
52 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
54 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, sd_bus_error *error, void *userdata);
55 #if 0 /// UNNEEDED by elogind
56 int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, sd_bus_error *error, void *userdata);
58 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, sd_bus_error *error, void *userdata);
60 #if 0 /// UNNEEDED by elogind
61 int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
64 typedef bool (*check_idle_t)(void *userdata);
66 #if 0 /// UNNEEDED by elogind
67 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);
70 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
72 #if 0 /// UNNEEDED by elogind
73 int bus_check_peercred(sd_bus *c);
76 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);
78 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);
79 void bus_verify_polkit_async_registry_free(Hashmap *registry);
81 #if 0 /// UNNEEDED by elogind
83 int bus_connect_system_systemd(sd_bus **_bus);
84 int bus_connect_user_systemd(sd_bus **_bus);
86 int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
87 #if 0 /// UNNEEDED by elogind
89 int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
91 int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
92 int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool value, bool all);
94 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);
95 #if 0 /// UNNEEDED by elogind
96 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);
99 #define bus_property_get_usec ((sd_bus_property_get_t) NULL)
100 #define bus_property_set_usec ((sd_bus_property_set_t) NULL)
102 assert_cc(sizeof(int) == sizeof(int32_t));
103 #define bus_property_get_int ((sd_bus_property_get_t) NULL)
105 assert_cc(sizeof(unsigned) == sizeof(unsigned));
106 #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
108 /* On 64bit machines we can use the default serializer for size_t and
109 * friends, otherwise we need to cast this manually */
110 #if __SIZEOF_SIZE_T__ == 8
111 #define bus_property_get_size ((sd_bus_property_get_t) NULL)
113 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);
116 #if __SIZEOF_LONG__ == 8
117 #define bus_property_get_long ((sd_bus_property_get_t) NULL)
118 #define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
120 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);
121 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);
124 /* uid_t and friends on Linux 32 bit. This means we can just use the
125 * default serializer for 32bit unsigned, for serializing it, and map
127 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
128 #define bus_property_get_uid ((sd_bus_property_get_t) NULL)
130 assert_cc(sizeof(gid_t) == sizeof(uint32_t));
131 #define bus_property_get_gid ((sd_bus_property_get_t) NULL)
133 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
134 #define bus_property_get_pid ((sd_bus_property_get_t) NULL)
136 assert_cc(sizeof(mode_t) == sizeof(uint32_t));
137 #define bus_property_get_mode ((sd_bus_property_get_t) NULL)
139 int bus_log_parse_error(int r);
140 int bus_log_create_error(int r);
142 #if 0 /// UNNEEDED by elogind
144 #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
145 int function(sd_bus *bus, \
147 const char *interface, \
148 const char *property, \
149 sd_bus_message *reply, \
151 sd_bus_error *error) { \
154 type *field = userdata; \
161 value = strempty(name##_to_string(*field)); \
163 r = sd_bus_message_append_basic(reply, 's', value); \
169 struct __useless_struct_to_allow_trailing_semicolon__
171 #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
172 SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
173 SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
175 #if 0 /// UNNEEDED by elogind
176 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
177 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
180 #if 0 /// UNNEEDED by elogind
181 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);
183 int bus_track_add_name_many(sd_bus_track *t, char **l);