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core: add quota support for State, Cache, and Log exec directories (#35892)
[thirdparty/systemd.git] / src / core / dbus-socket.c
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1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3#include "alloc-util.h"
4#include "bus-get-properties.h"
5#include "dbus-cgroup.h"
6#include "dbus-execute.h"
7#include "dbus-kill.h"
8#include "dbus-socket.h"
9#include "dbus-util.h"
10#include "fd-util.h"
11#include "ip-protocol-list.h"
12#include "path-util.h"
13#include "socket.h"
14#include "socket-netlink.h"
15#include "socket-util.h"
16#include "string-util.h"
17#include "strv.h"
18#include "unit.h"
19
20static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, socket_result, SocketResult);
21static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
22static BUS_DEFINE_PROPERTY_GET(property_get_fdname, "s", Socket, socket_fdname);
23static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_timestamping, socket_timestamping, SocketTimestamping);
24static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_defer_trigger, socket_defer_trigger, SocketDeferTrigger);
25
26static int property_get_listen(
27 sd_bus *bus,
28 const char *path,
29 const char *interface,
30 const char *property,
31 sd_bus_message *reply,
32 void *userdata,
33 sd_bus_error *error) {
34
35 Socket *s = SOCKET(userdata);
36 int r;
37
38 assert(bus);
39 assert(reply);
40 assert(s);
41
42 r = sd_bus_message_open_container(reply, 'a', "(ss)");
43 if (r < 0)
44 return r;
45
46 LIST_FOREACH(port, p, s->ports) {
47 _cleanup_free_ char *address = NULL;
48
49 r = socket_port_to_address(p, &address);
50 if (r < 0)
51 return r;
52
53 r = sd_bus_message_append(reply, "(ss)", socket_port_type_to_string(p), address);
54 if (r < 0)
55 return r;
56 }
57
58 return sd_bus_message_close_container(reply);
59}
60
61const sd_bus_vtable bus_socket_vtable[] = {
62 SD_BUS_VTABLE_START(0),
63 SD_BUS_PROPERTY("BindIPv6Only", "s", property_get_bind_ipv6_only, offsetof(Socket, bind_ipv6_only), SD_BUS_VTABLE_PROPERTY_CONST),
64 SD_BUS_PROPERTY("Backlog", "u", bus_property_get_unsigned, offsetof(Socket, backlog), SD_BUS_VTABLE_PROPERTY_CONST),
65 SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Socket, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
66 SD_BUS_PROPERTY("BindToDevice", "s", NULL, offsetof(Socket, bind_to_device), SD_BUS_VTABLE_PROPERTY_CONST),
67 SD_BUS_PROPERTY("SocketUser", "s", NULL, offsetof(Socket, user), SD_BUS_VTABLE_PROPERTY_CONST),
68 SD_BUS_PROPERTY("SocketGroup", "s", NULL, offsetof(Socket, group), SD_BUS_VTABLE_PROPERTY_CONST),
69 SD_BUS_PROPERTY("SocketMode", "u", bus_property_get_mode, offsetof(Socket, socket_mode), SD_BUS_VTABLE_PROPERTY_CONST),
70 SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Socket, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
71 SD_BUS_PROPERTY("Accept", "b", bus_property_get_bool, offsetof(Socket, accept), SD_BUS_VTABLE_PROPERTY_CONST),
72 SD_BUS_PROPERTY("FlushPending", "b", bus_property_get_bool, offsetof(Socket, flush_pending), SD_BUS_VTABLE_PROPERTY_CONST),
73 SD_BUS_PROPERTY("Writable", "b", bus_property_get_bool, offsetof(Socket, writable), SD_BUS_VTABLE_PROPERTY_CONST),
74 SD_BUS_PROPERTY("KeepAlive", "b", bus_property_get_bool, offsetof(Socket, keep_alive), SD_BUS_VTABLE_PROPERTY_CONST),
75 SD_BUS_PROPERTY("KeepAliveTimeUSec", "t", bus_property_get_usec, offsetof(Socket, keep_alive_time), SD_BUS_VTABLE_PROPERTY_CONST),
76 SD_BUS_PROPERTY("KeepAliveIntervalUSec", "t", bus_property_get_usec, offsetof(Socket, keep_alive_interval), SD_BUS_VTABLE_PROPERTY_CONST),
77 SD_BUS_PROPERTY("KeepAliveProbes", "u", bus_property_get_unsigned, offsetof(Socket, keep_alive_cnt), SD_BUS_VTABLE_PROPERTY_CONST),
78 SD_BUS_PROPERTY("DeferAcceptUSec" , "t", bus_property_get_usec, offsetof(Socket, defer_accept), SD_BUS_VTABLE_PROPERTY_CONST),
79 SD_BUS_PROPERTY("NoDelay", "b", bus_property_get_bool, offsetof(Socket, no_delay), SD_BUS_VTABLE_PROPERTY_CONST),
80 SD_BUS_PROPERTY("Priority", "i", bus_property_get_int, offsetof(Socket, priority), SD_BUS_VTABLE_PROPERTY_CONST),
81 SD_BUS_PROPERTY("ReceiveBuffer", "t", bus_property_get_size, offsetof(Socket, receive_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
82 SD_BUS_PROPERTY("SendBuffer", "t", bus_property_get_size, offsetof(Socket, send_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
83 SD_BUS_PROPERTY("IPTOS", "i", bus_property_get_int, offsetof(Socket, ip_tos), SD_BUS_VTABLE_PROPERTY_CONST),
84 SD_BUS_PROPERTY("IPTTL", "i", bus_property_get_int, offsetof(Socket, ip_ttl), SD_BUS_VTABLE_PROPERTY_CONST),
85 SD_BUS_PROPERTY("PipeSize", "t", bus_property_get_size, offsetof(Socket, pipe_size), SD_BUS_VTABLE_PROPERTY_CONST),
86 SD_BUS_PROPERTY("FreeBind", "b", bus_property_get_bool, offsetof(Socket, free_bind), SD_BUS_VTABLE_PROPERTY_CONST),
87 SD_BUS_PROPERTY("Transparent", "b", bus_property_get_bool, offsetof(Socket, transparent), SD_BUS_VTABLE_PROPERTY_CONST),
88 SD_BUS_PROPERTY("Broadcast", "b", bus_property_get_bool, offsetof(Socket, broadcast), SD_BUS_VTABLE_PROPERTY_CONST),
89 SD_BUS_PROPERTY("PassCredentials", "b", bus_property_get_bool, offsetof(Socket, pass_cred), SD_BUS_VTABLE_PROPERTY_CONST),
90 SD_BUS_PROPERTY("PassPIDFD", "b", bus_property_get_bool, offsetof(Socket, pass_pidfd), SD_BUS_VTABLE_PROPERTY_CONST),
91 SD_BUS_PROPERTY("PassSecurity", "b", bus_property_get_bool, offsetof(Socket, pass_sec), SD_BUS_VTABLE_PROPERTY_CONST),
92 SD_BUS_PROPERTY("PassPacketInfo", "b", bus_property_get_bool, offsetof(Socket, pass_pktinfo), SD_BUS_VTABLE_PROPERTY_CONST),
93 SD_BUS_PROPERTY("AcceptFileDescriptors", "b", bus_property_get_bool, offsetof(Socket, pass_rights), SD_BUS_VTABLE_PROPERTY_CONST),
94 SD_BUS_PROPERTY("Timestamping", "s", property_get_timestamping, offsetof(Socket, timestamping), SD_BUS_VTABLE_PROPERTY_CONST),
95 SD_BUS_PROPERTY("RemoveOnStop", "b", bus_property_get_bool, offsetof(Socket, remove_on_stop), SD_BUS_VTABLE_PROPERTY_CONST),
96 SD_BUS_PROPERTY("Listen", "a(ss)", property_get_listen, 0, SD_BUS_VTABLE_PROPERTY_CONST),
97 SD_BUS_PROPERTY("Symlinks", "as", NULL, offsetof(Socket, symlinks), SD_BUS_VTABLE_PROPERTY_CONST),
98 SD_BUS_PROPERTY("Mark", "i", bus_property_get_int, offsetof(Socket, mark), SD_BUS_VTABLE_PROPERTY_CONST),
99 SD_BUS_PROPERTY("MaxConnections", "u", bus_property_get_unsigned, offsetof(Socket, max_connections), SD_BUS_VTABLE_PROPERTY_CONST),
100 SD_BUS_PROPERTY("MaxConnectionsPerSource", "u", bus_property_get_unsigned, offsetof(Socket, max_connections_per_source), SD_BUS_VTABLE_PROPERTY_CONST),
101 SD_BUS_PROPERTY("MessageQueueMaxMessages", "x", bus_property_get_long, offsetof(Socket, mq_maxmsg), SD_BUS_VTABLE_PROPERTY_CONST),
102 SD_BUS_PROPERTY("MessageQueueMessageSize", "x", bus_property_get_long, offsetof(Socket, mq_msgsize), SD_BUS_VTABLE_PROPERTY_CONST),
103 SD_BUS_PROPERTY("TCPCongestion", "s", NULL, offsetof(Socket, tcp_congestion), SD_BUS_VTABLE_PROPERTY_CONST),
104 SD_BUS_PROPERTY("ReusePort", "b", bus_property_get_bool, offsetof(Socket, reuse_port), SD_BUS_VTABLE_PROPERTY_CONST),
105 SD_BUS_PROPERTY("SmackLabel", "s", NULL, offsetof(Socket, smack), SD_BUS_VTABLE_PROPERTY_CONST),
106 SD_BUS_PROPERTY("SmackLabelIPIn", "s", NULL, offsetof(Socket, smack_ip_in), SD_BUS_VTABLE_PROPERTY_CONST),
107 SD_BUS_PROPERTY("SmackLabelIPOut", "s", NULL, offsetof(Socket, smack_ip_out), SD_BUS_VTABLE_PROPERTY_CONST),
108 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Socket, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
109 SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Socket, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
110 SD_BUS_PROPERTY("NConnections", "u", bus_property_get_unsigned, offsetof(Socket, n_connections), 0),
111 SD_BUS_PROPERTY("NAccepted", "u", bus_property_get_unsigned, offsetof(Socket, n_accepted), 0),
112 SD_BUS_PROPERTY("NRefused", "u", bus_property_get_unsigned, offsetof(Socket, n_refused), 0),
113 SD_BUS_PROPERTY("FileDescriptorName", "s", property_get_fdname, 0, 0),
114 SD_BUS_PROPERTY("SocketProtocol", "i", bus_property_get_int, offsetof(Socket, socket_protocol), SD_BUS_VTABLE_PROPERTY_CONST),
115 SD_BUS_PROPERTY("TriggerLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Socket, trigger_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
116 SD_BUS_PROPERTY("TriggerLimitBurst", "u", bus_property_get_unsigned, offsetof(Socket, trigger_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
117 SD_BUS_PROPERTY("PollLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Socket, poll_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
118 SD_BUS_PROPERTY("PollLimitBurst", "u", bus_property_get_unsigned, offsetof(Socket, poll_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
119 SD_BUS_PROPERTY("DeferTrigger", "s", property_get_defer_trigger, offsetof(Socket, defer_trigger), SD_BUS_VTABLE_PROPERTY_CONST),
120 SD_BUS_PROPERTY("DeferTriggerMaxUSec", "t", bus_property_get_usec, offsetof(Socket, defer_trigger_max_usec), SD_BUS_VTABLE_PROPERTY_CONST),
121 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
122 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
123 SD_BUS_PROPERTY("PassFileDescriptorsToExec", "b", bus_property_get_bool, offsetof(Socket, pass_fds_to_exec), SD_BUS_VTABLE_PROPERTY_CONST),
124 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
125 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
126 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPre", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
127 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
128 SD_BUS_VTABLE_END
129};
130
131static bool check_size_t_truncation(uint64_t t) {
132 return (size_t) t == t;
133}
134
135static const char* socket_protocol_to_string(int32_t i) {
136 if (i == IPPROTO_IP)
137 return "";
138
139 if (!IN_SET(i, IPPROTO_UDPLITE, IPPROTO_SCTP, IPPROTO_MPTCP))
140 return NULL;
141
142 return ip_protocol_to_name(i);
143}
144
145static BUS_DEFINE_SET_TRANSIENT(int, "i", int32_t, int, "%" PRIi32);
146static BUS_DEFINE_SET_TRANSIENT(message_queue, "x", int64_t, long, "%" PRIi64);
147static BUS_DEFINE_SET_TRANSIENT_IS_VALID(size_t_check_truncation, "t", uint64_t, size_t, "%" PRIu64, check_size_t_truncation);
148static BUS_DEFINE_SET_TRANSIENT_PARSE(bind_ipv6_only, SocketAddressBindIPv6Only, socket_address_bind_ipv6_only_or_bool_from_string);
149static BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(fdname, fdname_is_valid);
150static BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(ifname, ifname_valid);
151static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(ip_tos, "i", int32_t, int, "%" PRIi32, ip_tos_to_string_alloc);
152static BUS_DEFINE_SET_TRANSIENT_TO_STRING(socket_protocol, "i", int32_t, int, "%" PRIi32, socket_protocol_to_string);
153static BUS_DEFINE_SET_TRANSIENT_PARSE(socket_timestamping, SocketTimestamping, socket_timestamping_from_string_harder);
154static BUS_DEFINE_SET_TRANSIENT_PARSE(socket_defer_trigger, SocketDeferTrigger, socket_defer_trigger_from_string);
155
156static int bus_socket_set_transient_property(
157 Socket *s,
158 const char *name,
159 sd_bus_message *message,
160 UnitWriteFlags flags,
161 sd_bus_error *error) {
162
163 SocketExecCommand ci;
164 Unit *u = UNIT(s);
165 int r;
166
167 assert(s);
168 assert(name);
169 assert(message);
170
171 flags |= UNIT_PRIVATE;
172
173 if (streq(name, "Accept"))
174 return bus_set_transient_bool(u, name, &s->accept, message, flags, error);
175
176 if (streq(name, "FlushPending"))
177 return bus_set_transient_bool(u, name, &s->flush_pending, message, flags, error);
178
179 if (streq(name, "Writable"))
180 return bus_set_transient_bool(u, name, &s->writable, message, flags, error);
181
182 if (streq(name, "KeepAlive"))
183 return bus_set_transient_bool(u, name, &s->keep_alive, message, flags, error);
184
185 if (streq(name, "NoDelay"))
186 return bus_set_transient_bool(u, name, &s->no_delay, message, flags, error);
187
188 if (streq(name, "FreeBind"))
189 return bus_set_transient_bool(u, name, &s->free_bind, message, flags, error);
190
191 if (streq(name, "Transparent"))
192 return bus_set_transient_bool(u, name, &s->transparent, message, flags, error);
193
194 if (streq(name, "Broadcast"))
195 return bus_set_transient_bool(u, name, &s->broadcast, message, flags, error);
196
197 if (streq(name, "PassCredentials"))
198 return bus_set_transient_bool(u, name, &s->pass_cred, message, flags, error);
199
200 if (streq(name, "PassPIDFD"))
201 return bus_set_transient_bool(u, name, &s->pass_pidfd, message, flags, error);
202
203 if (streq(name, "PassSecurity"))
204 return bus_set_transient_bool(u, name, &s->pass_sec, message, flags, error);
205
206 if (streq(name, "PassPacketInfo"))
207 return bus_set_transient_bool(u, name, &s->pass_pktinfo, message, flags, error);
208
209 if (streq(name, "AcceptFileDescriptors"))
210 return bus_set_transient_bool(u, name, &s->pass_rights, message, flags, error);
211
212 if (streq(name, "Timestamping"))
213 return bus_set_transient_socket_timestamping(u, name, &s->timestamping, message, flags, error);
214
215 if (streq(name, "ReusePort"))
216 return bus_set_transient_bool(u, name, &s->reuse_port, message, flags, error);
217
218 if (streq(name, "RemoveOnStop"))
219 return bus_set_transient_bool(u, name, &s->remove_on_stop, message, flags, error);
220
221 if (streq(name, "SELinuxContextFromNet"))
222 return bus_set_transient_bool(u, name, &s->selinux_context_from_net, message, flags, error);
223
224 if (streq(name, "Priority"))
225 return bus_set_transient_int(u, name, &s->priority, message, flags, error);
226
227 if (streq(name, "IPTTL"))
228 return bus_set_transient_int(u, name, &s->ip_ttl, message, flags, error);
229
230 if (streq(name, "Mark"))
231 return bus_set_transient_int(u, name, &s->mark, message, flags, error);
232
233 if (streq(name, "Backlog"))
234 return bus_set_transient_unsigned(u, name, &s->backlog, message, flags, error);
235
236 if (streq(name, "MaxConnections"))
237 return bus_set_transient_unsigned(u, name, &s->max_connections, message, flags, error);
238
239 if (streq(name, "MaxConnectionsPerSource"))
240 return bus_set_transient_unsigned(u, name, &s->max_connections_per_source, message, flags, error);
241
242 if (streq(name, "KeepAliveProbes"))
243 return bus_set_transient_unsigned(u, name, &s->keep_alive_cnt, message, flags, error);
244
245 if (streq(name, "TriggerLimitBurst"))
246 return bus_set_transient_unsigned(u, name, &s->trigger_limit.burst, message, flags, error);
247
248 if (streq(name, "PollLimitBurst"))
249 return bus_set_transient_unsigned(u, name, &s->poll_limit.burst, message, flags, error);
250
251 if (streq(name, "SocketMode"))
252 return bus_set_transient_mode_t(u, name, &s->socket_mode, message, flags, error);
253
254 if (streq(name, "DirectoryMode"))
255 return bus_set_transient_mode_t(u, name, &s->directory_mode, message, flags, error);
256
257 if (streq(name, "MessageQueueMaxMessages"))
258 return bus_set_transient_message_queue(u, name, &s->mq_maxmsg, message, flags, error);
259
260 if (streq(name, "MessageQueueMessageSize"))
261 return bus_set_transient_message_queue(u, name, &s->mq_msgsize, message, flags, error);
262
263 if (streq(name, "TimeoutUSec"))
264 return bus_set_transient_usec_fix_0(u, name, &s->timeout_usec, message, flags, error);
265
266 if (streq(name, "KeepAliveTimeUSec"))
267 return bus_set_transient_usec(u, name, &s->keep_alive_time, message, flags, error);
268
269 if (streq(name, "KeepAliveIntervalUSec"))
270 return bus_set_transient_usec(u, name, &s->keep_alive_interval, message, flags, error);
271
272 if (streq(name, "DeferAcceptUSec"))
273 return bus_set_transient_usec(u, name, &s->defer_accept, message, flags, error);
274
275 if (streq(name, "TriggerLimitIntervalUSec"))
276 return bus_set_transient_usec(u, name, &s->trigger_limit.interval, message, flags, error);
277
278 if (streq(name, "PollLimitIntervalUSec"))
279 return bus_set_transient_usec(u, name, &s->poll_limit.interval, message, flags, error);
280
281 if (streq(name, "DeferTrigger"))
282 return bus_set_transient_socket_defer_trigger(u, name, &s->defer_trigger, message, flags, error);
283
284 if (streq(name, "DeferTriggerMaxUSec"))
285 return bus_set_transient_usec_fix_0(u, name, &s->defer_trigger_max_usec, message, flags, error);
286
287 if (streq(name, "SmackLabel"))
288 return bus_set_transient_string(u, name, &s->smack, message, flags, error);
289
290 if (streq(name, "SmackLabelIPin"))
291 return bus_set_transient_string(u, name, &s->smack_ip_in, message, flags, error);
292
293 if (streq(name, "SmackLabelIPOut"))
294 return bus_set_transient_string(u, name, &s->smack_ip_out, message, flags, error);
295
296 if (streq(name, "TCPCongestion"))
297 return bus_set_transient_string(u, name, &s->tcp_congestion, message, flags, error);
298
299 if (streq(name, "FileDescriptorName"))
300 return bus_set_transient_fdname(u, name, &s->fdname, message, flags, error);
301
302 if (streq(name, "SocketUser"))
303 return bus_set_transient_user_relaxed(u, name, &s->user, message, flags, error);
304
305 if (streq(name, "SocketGroup"))
306 return bus_set_transient_user_relaxed(u, name, &s->group, message, flags, error);
307
308 if (streq(name, "BindIPv6Only"))
309 return bus_set_transient_bind_ipv6_only(u, name, &s->bind_ipv6_only, message, flags, error);
310
311 if (streq(name, "ReceiveBuffer"))
312 return bus_set_transient_size_t_check_truncation(u, name, &s->receive_buffer, message, flags, error);
313
314 if (streq(name, "SendBuffer"))
315 return bus_set_transient_size_t_check_truncation(u, name, &s->send_buffer, message, flags, error);
316
317 if (streq(name, "PipeSize"))
318 return bus_set_transient_size_t_check_truncation(u, name, &s->pipe_size, message, flags, error);
319
320 if (streq(name, "BindToDevice"))
321 return bus_set_transient_ifname(u, name, &s->bind_to_device, message, flags, error);
322
323 if (streq(name, "IPTOS"))
324 return bus_set_transient_ip_tos(u, name, &s->ip_tos, message, flags, error);
325
326 if (streq(name, "SocketProtocol"))
327 return bus_set_transient_socket_protocol(u, name, &s->socket_protocol, message, flags, error);
328
329 if (streq(name, "PassFileDescriptorsToExec"))
330 return bus_set_transient_bool(u, name, &s->pass_fds_to_exec, message, flags, error);
331
332 ci = socket_exec_command_from_string(name);
333 if (ci >= 0)
334 return bus_set_transient_exec_command(u, name,
335 &s->exec_command[ci],
336 message, flags, error);
337
338 if (streq(name, "Symlinks")) {
339 _cleanup_strv_free_ char **l = NULL;
340
341 r = sd_bus_message_read_strv(message, &l);
342 if (r < 0)
343 return r;
344
345 STRV_FOREACH(p, l)
346 if (!path_is_absolute(*p))
347 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Symlink path is not absolute: %s", *p);
348
349 if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
350 if (strv_isempty(l)) {
351 s->symlinks = strv_free(s->symlinks);
352 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=", name);
353 } else {
354 _cleanup_free_ char *joined = NULL;
355
356 r = strv_extend_strv(&s->symlinks, l, true);
357 if (r < 0)
358 return -ENOMEM;
359
360 joined = strv_join(l, " ");
361 if (!joined)
362 return -ENOMEM;
363
364 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", name, joined);
365 }
366 }
367
368 return 1;
369 }
370
371 if (streq(name, "Listen")) {
372 const char *t, *a;
373 bool empty = true;
374
375 r = sd_bus_message_enter_container(message, 'a', "(ss)");
376 if (r < 0)
377 return r;
378
379 while ((r = sd_bus_message_read(message, "(ss)", &t, &a)) > 0) {
380 _cleanup_(socket_port_freep) SocketPort *p = NULL;
381
382 p = new(SocketPort, 1);
383 if (!p)
384 return log_oom();
385
386 *p = (SocketPort) {
387 .fd = -EBADF,
388 .socket = s,
389 };
390
391 p->type = socket_port_type_from_string(t);
392 if (p->type < 0)
393 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown Socket type: %s", t);
394
395 if (p->type != SOCKET_SOCKET) {
396 if (!path_is_absolute(a) || !path_is_valid(a))
397 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid socket path: %s", a);
398
399 r = path_simplify_alloc(a, &p->path);
400 if (r < 0)
401 return r;
402
403 } else if (streq(t, "Netlink")) {
404 r = socket_address_parse_netlink(&p->address, a);
405 if (r < 0)
406 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid netlink address: %s", a);
407
408 } else {
409 r = socket_address_parse(&p->address, a);
410 if (r < 0)
411 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address: %s", a);
412
413 p->address.type = socket_address_type_from_string(t);
414 if (p->address.type < 0)
415 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address type: %s", t);
416
417 if (socket_address_family(&p->address) != AF_UNIX && p->address.type == SOCK_SEQPACKET)
418 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Address family not supported: %s", a);
419 }
420
421 empty = false;
422
423 if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
424 LIST_APPEND(port, s->ports, TAKE_PTR(p));
425 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "Listen%s=%s", t, a);
426 }
427 }
428 if (r < 0)
429 return r;
430
431 r = sd_bus_message_exit_container(message);
432 if (r < 0)
433 return r;
434
435 if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) {
436 socket_free_ports(s);
437 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "ListenStream=");
438 }
439
440 return 1;
441 }
442
443 return 0;
444}
445
446int bus_socket_set_property(
447 Unit *u,
448 const char *name,
449 sd_bus_message *message,
450 UnitWriteFlags flags,
451 sd_bus_error *error) {
452
453 Socket *s = SOCKET(u);
454 int r;
455
456 assert(s);
457 assert(name);
458 assert(message);
459
460 assert(s);
461 assert(name);
462 assert(message);
463
464 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error);
465 if (r != 0)
466 return r;
467
468 if (u->transient && u->load_state == UNIT_STUB) {
469 /* This is a transient unit, let's load a little more */
470
471 r = bus_socket_set_transient_property(s, name, message, flags, error);
472 if (r != 0)
473 return r;
474
475 r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, flags, error);
476 if (r != 0)
477 return r;
478
479 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, flags, error);
480 if (r != 0)
481 return r;
482 }
483
484 return 0;
485}
486
487int bus_socket_commit_properties(Unit *u) {
488 assert(u);
489
490 (void) unit_realize_cgroup(u);
491
492 return 0;
493}
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