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[thirdparty/systemd.git] / src / core / dbus-socket.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include "alloc-util.h"
4 #include "bus-util.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 "parse-util.h"
12 #include "path-util.h"
13 #include "socket.h"
14 #include "socket-protocol-list.h"
15 #include "socket-util.h"
16 #include "string-util.h"
17 #include "unit.h"
18
19 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, socket_result, SocketResult);
20 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
21 static BUS_DEFINE_PROPERTY_GET(property_get_fdname, "s", Socket, socket_fdname);
22
23 static int property_get_listen(
24 sd_bus *bus,
25 const char *path,
26 const char *interface,
27 const char *property,
28 sd_bus_message *reply,
29 void *userdata,
30 sd_bus_error *error) {
31
32 Socket *s = SOCKET(userdata);
33 SocketPort *p;
34 int r;
35
36 assert(bus);
37 assert(reply);
38 assert(s);
39
40 r = sd_bus_message_open_container(reply, 'a', "(ss)");
41 if (r < 0)
42 return r;
43
44 LIST_FOREACH(port, p, s->ports) {
45 _cleanup_free_ char *address = NULL;
46 const char *a;
47
48 switch (p->type) {
49 case SOCKET_SOCKET: {
50 r = socket_address_print(&p->address, &address);
51 if (r)
52 return r;
53
54 a = address;
55 break;
56 }
57
58 case SOCKET_SPECIAL:
59 case SOCKET_MQUEUE:
60 case SOCKET_FIFO:
61 case SOCKET_USB_FUNCTION:
62 a = p->path;
63 break;
64
65 default:
66 assert_not_reached("Unknown socket type");
67 }
68
69 r = sd_bus_message_append(reply, "(ss)", socket_port_type_to_string(p), a);
70 if (r < 0)
71 return r;
72 }
73
74 return sd_bus_message_close_container(reply);
75 }
76
77 const sd_bus_vtable bus_socket_vtable[] = {
78 SD_BUS_VTABLE_START(0),
79 SD_BUS_PROPERTY("BindIPv6Only", "s", property_get_bind_ipv6_only, offsetof(Socket, bind_ipv6_only), SD_BUS_VTABLE_PROPERTY_CONST),
80 SD_BUS_PROPERTY("Backlog", "u", bus_property_get_unsigned, offsetof(Socket, backlog), SD_BUS_VTABLE_PROPERTY_CONST),
81 SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Socket, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
82 SD_BUS_PROPERTY("BindToDevice", "s", NULL, offsetof(Socket, bind_to_device), SD_BUS_VTABLE_PROPERTY_CONST),
83 SD_BUS_PROPERTY("SocketUser", "s", NULL, offsetof(Socket, user), SD_BUS_VTABLE_PROPERTY_CONST),
84 SD_BUS_PROPERTY("SocketGroup", "s", NULL, offsetof(Socket, group), SD_BUS_VTABLE_PROPERTY_CONST),
85 SD_BUS_PROPERTY("SocketMode", "u", bus_property_get_mode, offsetof(Socket, socket_mode), SD_BUS_VTABLE_PROPERTY_CONST),
86 SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Socket, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
87 SD_BUS_PROPERTY("Accept", "b", bus_property_get_bool, offsetof(Socket, accept), SD_BUS_VTABLE_PROPERTY_CONST),
88 SD_BUS_PROPERTY("Writable", "b", bus_property_get_bool, offsetof(Socket, writable), SD_BUS_VTABLE_PROPERTY_CONST),
89 SD_BUS_PROPERTY("KeepAlive", "b", bus_property_get_bool, offsetof(Socket, keep_alive), SD_BUS_VTABLE_PROPERTY_CONST),
90 SD_BUS_PROPERTY("KeepAliveTimeUSec", "t", bus_property_get_usec, offsetof(Socket, keep_alive_time), SD_BUS_VTABLE_PROPERTY_CONST),
91 SD_BUS_PROPERTY("KeepAliveIntervalUSec", "t", bus_property_get_usec, offsetof(Socket, keep_alive_interval), SD_BUS_VTABLE_PROPERTY_CONST),
92 SD_BUS_PROPERTY("KeepAliveProbes", "u", bus_property_get_unsigned, offsetof(Socket, keep_alive_cnt), SD_BUS_VTABLE_PROPERTY_CONST),
93 SD_BUS_PROPERTY("DeferAcceptUSec" , "t", bus_property_get_usec, offsetof(Socket, defer_accept), SD_BUS_VTABLE_PROPERTY_CONST),
94 SD_BUS_PROPERTY("NoDelay", "b", bus_property_get_bool, offsetof(Socket, no_delay), SD_BUS_VTABLE_PROPERTY_CONST),
95 SD_BUS_PROPERTY("Priority", "i", bus_property_get_int, offsetof(Socket, priority), SD_BUS_VTABLE_PROPERTY_CONST),
96 SD_BUS_PROPERTY("ReceiveBuffer", "t", bus_property_get_size, offsetof(Socket, receive_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
97 SD_BUS_PROPERTY("SendBuffer", "t", bus_property_get_size, offsetof(Socket, send_buffer), SD_BUS_VTABLE_PROPERTY_CONST),
98 SD_BUS_PROPERTY("IPTOS", "i", bus_property_get_int, offsetof(Socket, ip_tos), SD_BUS_VTABLE_PROPERTY_CONST),
99 SD_BUS_PROPERTY("IPTTL", "i", bus_property_get_int, offsetof(Socket, ip_ttl), SD_BUS_VTABLE_PROPERTY_CONST),
100 SD_BUS_PROPERTY("PipeSize", "t", bus_property_get_size, offsetof(Socket, pipe_size), SD_BUS_VTABLE_PROPERTY_CONST),
101 SD_BUS_PROPERTY("FreeBind", "b", bus_property_get_bool, offsetof(Socket, free_bind), SD_BUS_VTABLE_PROPERTY_CONST),
102 SD_BUS_PROPERTY("Transparent", "b", bus_property_get_bool, offsetof(Socket, transparent), SD_BUS_VTABLE_PROPERTY_CONST),
103 SD_BUS_PROPERTY("Broadcast", "b", bus_property_get_bool, offsetof(Socket, broadcast), SD_BUS_VTABLE_PROPERTY_CONST),
104 SD_BUS_PROPERTY("PassCredentials", "b", bus_property_get_bool, offsetof(Socket, pass_cred), SD_BUS_VTABLE_PROPERTY_CONST),
105 SD_BUS_PROPERTY("PassSecurity", "b", bus_property_get_bool, offsetof(Socket, pass_sec), SD_BUS_VTABLE_PROPERTY_CONST),
106 SD_BUS_PROPERTY("RemoveOnStop", "b", bus_property_get_bool, offsetof(Socket, remove_on_stop), SD_BUS_VTABLE_PROPERTY_CONST),
107 SD_BUS_PROPERTY("Listen", "a(ss)", property_get_listen, 0, SD_BUS_VTABLE_PROPERTY_CONST),
108 SD_BUS_PROPERTY("Symlinks", "as", NULL, offsetof(Socket, symlinks), SD_BUS_VTABLE_PROPERTY_CONST),
109 SD_BUS_PROPERTY("Mark", "i", bus_property_get_int, offsetof(Socket, mark), SD_BUS_VTABLE_PROPERTY_CONST),
110 SD_BUS_PROPERTY("MaxConnections", "u", bus_property_get_unsigned, offsetof(Socket, max_connections), SD_BUS_VTABLE_PROPERTY_CONST),
111 SD_BUS_PROPERTY("MaxConnectionsPerSource", "u", bus_property_get_unsigned, offsetof(Socket, max_connections_per_source), SD_BUS_VTABLE_PROPERTY_CONST),
112 SD_BUS_PROPERTY("MessageQueueMaxMessages", "x", bus_property_get_long, offsetof(Socket, mq_maxmsg), SD_BUS_VTABLE_PROPERTY_CONST),
113 SD_BUS_PROPERTY("MessageQueueMessageSize", "x", bus_property_get_long, offsetof(Socket, mq_msgsize), SD_BUS_VTABLE_PROPERTY_CONST),
114 SD_BUS_PROPERTY("TCPCongestion", "s", NULL, offsetof(Socket, tcp_congestion), SD_BUS_VTABLE_PROPERTY_CONST),
115 SD_BUS_PROPERTY("ReusePort", "b", bus_property_get_bool, offsetof(Socket, reuse_port), SD_BUS_VTABLE_PROPERTY_CONST),
116 SD_BUS_PROPERTY("SmackLabel", "s", NULL, offsetof(Socket, smack), SD_BUS_VTABLE_PROPERTY_CONST),
117 SD_BUS_PROPERTY("SmackLabelIPIn", "s", NULL, offsetof(Socket, smack_ip_in), SD_BUS_VTABLE_PROPERTY_CONST),
118 SD_BUS_PROPERTY("SmackLabelIPOut", "s", NULL, offsetof(Socket, smack_ip_out), SD_BUS_VTABLE_PROPERTY_CONST),
119 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Socket, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
120 SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Socket, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
121 SD_BUS_PROPERTY("NConnections", "u", bus_property_get_unsigned, offsetof(Socket, n_connections), 0),
122 SD_BUS_PROPERTY("NAccepted", "u", bus_property_get_unsigned, offsetof(Socket, n_accepted), 0),
123 SD_BUS_PROPERTY("NRefused", "u", bus_property_get_unsigned, offsetof(Socket, n_refused), 0),
124 SD_BUS_PROPERTY("FileDescriptorName", "s", property_get_fdname, 0, 0),
125 SD_BUS_PROPERTY("SocketProtocol", "i", bus_property_get_int, offsetof(Socket, socket_protocol), SD_BUS_VTABLE_PROPERTY_CONST),
126 SD_BUS_PROPERTY("TriggerLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Socket, trigger_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
127 SD_BUS_PROPERTY("TriggerLimitBurst", "u", bus_property_get_unsigned, offsetof(Socket, trigger_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
128 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
129 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
130 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
131 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
132 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPre", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
133 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
134 SD_BUS_VTABLE_END
135 };
136
137 static inline bool check_size_t_truncation(uint64_t t) {
138 return (size_t) t == t;
139 }
140
141 static inline const char* supported_socket_protocol_to_string(int32_t i) {
142 if (i == IPPROTO_IP)
143 return "";
144
145 if (!IN_SET(i, IPPROTO_UDPLITE, IPPROTO_SCTP))
146 return NULL;
147
148 return socket_protocol_to_name(i);
149 }
150
151 static BUS_DEFINE_SET_TRANSIENT(int, "i", int32_t, int, "%" PRIi32);
152 static BUS_DEFINE_SET_TRANSIENT(message_queue, "x", int64_t, long, "%" PRIi64);
153 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(size_t_check_truncation, "t", uint64_t, size_t, "%" PRIu64, check_size_t_truncation);
154 static BUS_DEFINE_SET_TRANSIENT_PARSE(bind_ipv6_only, SocketAddressBindIPv6Only, socket_address_bind_ipv6_only_or_bool_from_string);
155 static BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(fdname, fdname_is_valid);
156 static BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(ifname, ifname_valid);
157 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(ip_tos, "i", int32_t, int, "%" PRIi32, ip_tos_to_string_alloc);
158 static BUS_DEFINE_SET_TRANSIENT_TO_STRING(socket_protocol, "i", int32_t, int, "%" PRIi32, supported_socket_protocol_to_string);
159
160 static int bus_socket_set_transient_property(
161 Socket *s,
162 const char *name,
163 sd_bus_message *message,
164 UnitWriteFlags flags,
165 sd_bus_error *error) {
166
167 SocketExecCommand ci;
168 Unit *u = UNIT(s);
169 int r;
170
171 assert(s);
172 assert(name);
173 assert(message);
174
175 flags |= UNIT_PRIVATE;
176
177 if (streq(name, "Accept"))
178 return bus_set_transient_bool(u, name, &s->accept, message, flags, error);
179
180 if (streq(name, "Writable"))
181 return bus_set_transient_bool(u, name, &s->writable, message, flags, error);
182
183 if (streq(name, "KeepAlive"))
184 return bus_set_transient_bool(u, name, &s->keep_alive, message, flags, error);
185
186 if (streq(name, "NoDelay"))
187 return bus_set_transient_bool(u, name, &s->no_delay, message, flags, error);
188
189 if (streq(name, "FreeBind"))
190 return bus_set_transient_bool(u, name, &s->free_bind, message, flags, error);
191
192 if (streq(name, "Transparent"))
193 return bus_set_transient_bool(u, name, &s->transparent, message, flags, error);
194
195 if (streq(name, "Broadcast"))
196 return bus_set_transient_bool(u, name, &s->broadcast, message, flags, error);
197
198 if (streq(name, "PassCredentials"))
199 return bus_set_transient_bool(u, name, &s->pass_cred, message, flags, error);
200
201 if (streq(name, "PassSecurity"))
202 return bus_set_transient_bool(u, name, &s->pass_sec, message, flags, error);
203
204 if (streq(name, "ReusePort"))
205 return bus_set_transient_bool(u, name, &s->reuse_port, message, flags, error);
206
207 if (streq(name, "RemoveOnStop"))
208 return bus_set_transient_bool(u, name, &s->remove_on_stop, message, flags, error);
209
210 if (streq(name, "SELinuxContextFromNet"))
211 return bus_set_transient_bool(u, name, &s->selinux_context_from_net, message, flags, error);
212
213 if (streq(name, "Priority"))
214 return bus_set_transient_int(u, name, &s->priority, message, flags, error);
215
216 if (streq(name, "IPTTL"))
217 return bus_set_transient_int(u, name, &s->ip_ttl, message, flags, error);
218
219 if (streq(name, "Mark"))
220 return bus_set_transient_int(u, name, &s->mark, message, flags, error);
221
222 if (streq(name, "Backlog"))
223 return bus_set_transient_unsigned(u, name, &s->backlog, message, flags, error);
224
225 if (streq(name, "MaxConnections"))
226 return bus_set_transient_unsigned(u, name, &s->max_connections, message, flags, error);
227
228 if (streq(name, "MaxConnectionsPerSource"))
229 return bus_set_transient_unsigned(u, name, &s->max_connections_per_source, message, flags, error);
230
231 if (streq(name, "KeepAliveProbes"))
232 return bus_set_transient_unsigned(u, name, &s->keep_alive_cnt, message, flags, error);
233
234 if (streq(name, "TriggerLimitBurst"))
235 return bus_set_transient_unsigned(u, name, &s->trigger_limit.burst, message, flags, error);
236
237 if (streq(name, "SocketMode"))
238 return bus_set_transient_mode_t(u, name, &s->socket_mode, message, flags, error);
239
240 if (streq(name, "DirectoryMode"))
241 return bus_set_transient_mode_t(u, name, &s->directory_mode, message, flags, error);
242
243 if (streq(name, "MessageQueueMaxMessages"))
244 return bus_set_transient_message_queue(u, name, &s->mq_maxmsg, message, flags, error);
245
246 if (streq(name, "MessageQueueMessageSize"))
247 return bus_set_transient_message_queue(u, name, &s->mq_msgsize, message, flags, error);
248
249 if (streq(name, "TimeoutUSec"))
250 return bus_set_transient_usec_fix_0(u, name, &s->timeout_usec, message, flags, error);
251
252 if (streq(name, "KeepAliveTimeUSec"))
253 return bus_set_transient_usec(u, name, &s->keep_alive_time, message, flags, error);
254
255 if (streq(name, "KeepAliveIntervalUSec"))
256 return bus_set_transient_usec(u, name, &s->keep_alive_interval, message, flags, error);
257
258 if (streq(name, "DeferAcceptUSec"))
259 return bus_set_transient_usec(u, name, &s->defer_accept, message, flags, error);
260
261 if (streq(name, "TriggerLimitIntervalUSec"))
262 return bus_set_transient_usec(u, name, &s->trigger_limit.interval, message, flags, error);
263
264 if (streq(name, "SmackLabel"))
265 return bus_set_transient_string(u, name, &s->smack, message, flags, error);
266
267 if (streq(name, "SmackLabelIPin"))
268 return bus_set_transient_string(u, name, &s->smack_ip_in, message, flags, error);
269
270 if (streq(name, "SmackLabelIPOut"))
271 return bus_set_transient_string(u, name, &s->smack_ip_out, message, flags, error);
272
273 if (streq(name, "TCPCongestion"))
274 return bus_set_transient_string(u, name, &s->tcp_congestion, message, flags, error);
275
276 if (streq(name, "FileDescriptorName"))
277 return bus_set_transient_fdname(u, name, &s->fdname, message, flags, error);
278
279 if (streq(name, "SocketUser"))
280 return bus_set_transient_user(u, name, &s->user, message, flags, error);
281
282 if (streq(name, "SocketGroup"))
283 return bus_set_transient_user(u, name, &s->group, message, flags, error);
284
285 if (streq(name, "BindIPv6Only"))
286 return bus_set_transient_bind_ipv6_only(u, name, &s->bind_ipv6_only, message, flags, error);
287
288 if (streq(name, "ReceiveBuffer"))
289 return bus_set_transient_size_t_check_truncation(u, name, &s->receive_buffer, message, flags, error);
290
291 if (streq(name, "SendBuffer"))
292 return bus_set_transient_size_t_check_truncation(u, name, &s->send_buffer, message, flags, error);
293
294 if (streq(name, "PipeSize"))
295 return bus_set_transient_size_t_check_truncation(u, name, &s->pipe_size, message, flags, error);
296
297 if (streq(name, "BindToDevice"))
298 return bus_set_transient_ifname(u, name, &s->bind_to_device, message, flags, error);
299
300 if (streq(name, "IPTOS"))
301 return bus_set_transient_ip_tos(u, name, &s->ip_tos, message, flags, error);
302
303 if (streq(name, "SocketProtocol"))
304 return bus_set_transient_socket_protocol(u, name, &s->socket_protocol, message, flags, error);
305
306 if ((ci = socket_exec_command_from_string(name)) >= 0)
307 return bus_set_transient_exec_command(u, name, &s->exec_command[ci], message, flags, error);
308
309 if (streq(name, "Symlinks")) {
310 _cleanup_strv_free_ char **l = NULL;
311 char **p;
312
313 r = sd_bus_message_read_strv(message, &l);
314 if (r < 0)
315 return r;
316
317 STRV_FOREACH(p, l) {
318 if (!path_is_absolute(*p))
319 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Symlink path is not absolute: %s", *p);
320 }
321
322 if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
323 if (strv_isempty(l)) {
324 s->symlinks = strv_free(s->symlinks);
325 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=", name);
326 } else {
327 _cleanup_free_ char *joined = NULL;
328
329 r = strv_extend_strv(&s->symlinks, l, true);
330 if (r < 0)
331 return -ENOMEM;
332
333 joined = strv_join(l, " ");
334 if (!joined)
335 return -ENOMEM;
336
337 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", name, joined);
338 }
339 }
340
341 return 1;
342
343 } else if (streq(name, "Listen")) {
344 const char *t, *a;
345 bool empty = true;
346
347 r = sd_bus_message_enter_container(message, 'a', "(ss)");
348 if (r < 0)
349 return r;
350
351 while ((r = sd_bus_message_read(message, "(ss)", &t, &a)) > 0) {
352 _cleanup_free_ SocketPort *p = NULL;
353
354 p = new0(SocketPort, 1);
355 if (!p)
356 return log_oom();
357
358 p->type = socket_port_type_from_string(t);
359 if (p->type < 0)
360 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown Socket type: %s", t);
361
362 if (p->type != SOCKET_SOCKET) {
363 p->path = strdup(a);
364 path_simplify(p->path, false);
365
366 } else if (streq(t, "Netlink")) {
367 r = socket_address_parse_netlink(&p->address, a);
368 if (r < 0)
369 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid netlink address: %s", a);
370
371 } else {
372 r = socket_address_parse(&p->address, a);
373 if (r < 0)
374 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address: %s", a);
375
376 p->address.type = socket_address_type_from_string(t);
377 if (p->address.type < 0)
378 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address type: %s", t);
379
380 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET)
381 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Address family not supported: %s", a);
382 }
383
384 p->fd = -1;
385 p->auxiliary_fds = NULL;
386 p->n_auxiliary_fds = 0;
387 p->socket = s;
388
389 empty = false;
390
391 if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
392 SocketPort *tail;
393
394 LIST_FIND_TAIL(port, s->ports, tail);
395 LIST_INSERT_AFTER(port, s->ports, tail, p);
396
397 p = NULL;
398
399 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "Listen%s=%s", t, a);
400 }
401 }
402 if (r < 0)
403 return r;
404
405 r = sd_bus_message_exit_container(message);
406 if (r < 0)
407 return r;
408
409 if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) {
410 socket_free_ports(s);
411 unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "ListenStream=");
412 }
413
414 return 1;
415 }
416
417 return 0;
418 }
419
420 int bus_socket_set_property(
421 Unit *u,
422 const char *name,
423 sd_bus_message *message,
424 UnitWriteFlags flags,
425 sd_bus_error *error) {
426
427 Socket *s = SOCKET(u);
428 int r;
429
430 assert(s);
431 assert(name);
432 assert(message);
433
434 assert(s);
435 assert(name);
436 assert(message);
437
438 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, flags, error);
439 if (r != 0)
440 return r;
441
442 if (u->transient && u->load_state == UNIT_STUB) {
443 /* This is a transient unit, let's load a little more */
444
445 r = bus_socket_set_transient_property(s, name, message, flags, error);
446 if (r != 0)
447 return r;
448
449 r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, flags, error);
450 if (r != 0)
451 return r;
452
453 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, flags, error);
454 if (r != 0)
455 return r;
456 }
457
458 return 0;
459 }
460
461 int bus_socket_commit_properties(Unit *u) {
462 assert(u);
463
464 unit_update_cgroup_members_masks(u);
465 unit_realize_cgroup(u);
466
467 return 0;
468 }