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d6c9574f 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
5cb5a6ff 2
a7334b09
LP		 3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
83c60c9f
LP		 22#include <sys/types.h>
23#include <sys/stat.h>
24#include <unistd.h>
25#include <errno.h>
26#include <fcntl.h>
f94ea366 27#include <sys/epoll.h>
034c6ed7 28#include <signal.h>
4f2d528d 29#include <arpa/inet.h>
83c60c9f 30
87f0e418 31#include "unit.h"
5cb5a6ff 32#include "socket.h"
cebf8b20 33#include "netinet/tcp.h"
83c60c9f 34#include "log.h"
23a177ef
LP		 35#include "load-dropin.h"
36#include "load-fragment.h"
9e2f7c11 37#include "strv.h"
4f2d528d 38#include "unit-name.h"
4139c1b2 39#include "dbus-socket.h"
4fd5948e 40#include "missing.h"
a40eb732 41#include "special.h"
398ef8ba 42#include "bus-errors.h"
e51bc1a2 43#include "label.h"
9a57c629 44#include "exit-status.h"
f6a6225e 45#include "def.h"
83c60c9f 46
acbb0225 47static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = {
87f0e418
LP		 48 [SOCKET_DEAD] = UNIT_INACTIVE,
49 [SOCKET_START_PRE] = UNIT_ACTIVATING,
50 [SOCKET_START_POST] = UNIT_ACTIVATING,
51 [SOCKET_LISTENING] = UNIT_ACTIVE,
52 [SOCKET_RUNNING] = UNIT_ACTIVE,
53 [SOCKET_STOP_PRE] = UNIT_DEACTIVATING,
54 [SOCKET_STOP_PRE_SIGTERM] = UNIT_DEACTIVATING,
55 [SOCKET_STOP_PRE_SIGKILL] = UNIT_DEACTIVATING,
56 [SOCKET_STOP_POST] = UNIT_DEACTIVATING,
80876c20
LP		 57 [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING,
58 [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING,
fdf20a31 59 [SOCKET_FAILED] = UNIT_FAILED
83c60c9f 60};
5cb5a6ff 61
a16e1123
LP		 62static void socket_init(Unit *u) {
63 Socket *s = SOCKET(u);
64
65 assert(u);
66 assert(u->meta.load_state == UNIT_STUB);
67
a16e1123
LP		 68 s->backlog = SOMAXCONN;
69 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
70 s->directory_mode = 0755;
973bcd30 71 s->socket_mode = 0777;
a16e1123 72
6cf6bbc2
LP		 73 s->max_connections = 64;
74
4fd5948e 75 s->priority = -1;
4fd5948e
LP		 76 s->ip_tos = -1;
77 s->ip_ttl = -1;
4fd5948e 78 s->mark = -1;
4fd5948e 79
a16e1123 80 exec_context_init(&s->exec_context);
0a494f1f
LP		 81 s->exec_context.std_output = u->meta.manager->default_std_output;
82 s->exec_context.std_error = u->meta.manager->default_std_error;
a16e1123
LP		 83
84 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
85}
acbb0225 86
5e94833f
LP		 87static void socket_unwatch_control_pid(Socket *s) {
88 assert(s);
89
90 if (s->control_pid <= 0)
91 return;
92
93 unit_unwatch_pid(UNIT(s), s->control_pid);
94 s->control_pid = 0;
95}
96
87f0e418
LP		 97static void socket_done(Unit *u) {
98 Socket *s = SOCKET(u);
034c6ed7 99 SocketPort *p;
6cf6bbc2 100 Meta *i;
034c6ed7
LP		 101
102 assert(s);
103
104 while ((p = s->ports)) {
105 LIST_REMOVE(SocketPort, port, s->ports, p);
106
a16e1123
LP		 107 if (p->fd >= 0) {
108 unit_unwatch_fd(UNIT(s), &p->fd_watch);
109 close_nointr_nofail(p->fd);
110 }
111
034c6ed7
LP		 112 free(p->path);
113 free(p);
114 }
115
116 exec_context_done(&s->exec_context);
e537352b 117 exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX);
034c6ed7
LP		 118 s->control_command = NULL;
119
5e94833f 120 socket_unwatch_control_pid(s);
034c6ed7
LP		 121
122 s->service = NULL;
123
cebf8b20
TT		 124 free(s->tcp_congestion);
125 s->tcp_congestion = NULL;
126
acbb0225 127 free(s->bind_to_device);
e537352b 128 s->bind_to_device = NULL;
acbb0225
LP		 129
130 unit_unwatch_timer(u, &s->timer_watch);
6cf6bbc2
LP		 131
132 /* Make sure no service instance refers to us anymore. */
133 LIST_FOREACH(units_per_type, i, u->meta.manager->units_per_type[UNIT_SERVICE]) {
134 Service *service = (Service *) i;
135
f976f3f6
LP		 136 if (service->accept_socket == s)
137 service->accept_socket = NULL;
138
139 set_remove(service->configured_sockets, s);
6cf6bbc2 140 }
5cb5a6ff
LP		 141}
142
b15bdda8
LP		 143static int socket_instantiate_service(Socket *s) {
144 char *prefix, *name;
145 int r;
146 Unit *u;
147
148 assert(s);
149
150 /* This fills in s->service if it isn't filled in yet. For
151 * Accept=yes sockets we create the next connection service
152 * here. For Accept=no this is mostly a NOP since the service
153 * is figured out at load time anyway. */
154
155 if (s->service)
156 return 0;
157
158 assert(s->accept);
159
160 if (!(prefix = unit_name_to_prefix(s->meta.id)))
161 return -ENOMEM;
162
163 r = asprintf(&name, "%s@%u.service", prefix, s->n_accepted);
164 free(prefix);
165
166 if (r < 0)
167 return -ENOMEM;
168
169 r = manager_load_unit(s->meta.manager, name, NULL, NULL, &u);
170 free(name);
171
172 if (r < 0)
173 return r;
174
7b4bf06b
LP		 175#ifdef HAVE_SYSV_COMPAT
176 if (SERVICE(u)->sysv_path) {
177 log_error("Using SysV services for socket activation is not supported. Refusing.");
178 return -ENOENT;
179 }
180#endif
181
6c073082 182 u->meta.no_gc = true;
b15bdda8
LP		 183 s->service = SERVICE(u);
184 return 0;
185}
186
4f2d528d
LP		 187static bool have_non_accept_socket(Socket *s) {
188 SocketPort *p;
189
190 assert(s);
191
192 if (!s->accept)
193 return true;
194
dd5ad9d4
LP		 195 LIST_FOREACH(port, p, s->ports) {
196
197 if (p->type != SOCKET_SOCKET)
198 return true;
199
4f2d528d
LP		 200 if (!socket_address_can_accept(&p->address))
201 return true;
dd5ad9d4 202 }
4f2d528d
LP		 203
204 return false;
205}
206
207static int socket_verify(Socket *s) {
208 assert(s);
209
4cd1fbcc 210 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 211 return 0;
212
213 if (!s->ports) {
4cd1fbcc 214 log_error("%s lacks Listen setting. Refusing.", s->meta.id);
4f2d528d
LP		 215 return -EINVAL;
216 }
217
0009d2a6
LP		 218 if (s->accept && have_non_accept_socket(s)) {
219 log_error("%s configured for accepting sockets, but sockets are non-accepting. Refusing.", s->meta.id);
220 return -EINVAL;
221 }
222
6cf6bbc2 223 if (s->accept && s->max_connections <= 0) {
4d0e5dbd
LP		 224 log_error("%s's MaxConnection setting too small. Refusing.", s->meta.id);
225 return -EINVAL;
226 }
227
d9ff321a
LP		 228 if (s->accept && s->service) {
229 log_error("Explicit service configuration for accepting sockets not supported on %s. Refusing.", s->meta.id);
230 return -EINVAL;
231 }
232
2e22afe9 233 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd 234 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
6cf6bbc2
LP		 235 return -EINVAL;
236 }
237
4f2d528d
LP		 238 return 0;
239}
240
6e2ef85b
LP		 241static bool socket_needs_mount(Socket *s, const char *prefix) {
242 SocketPort *p;
243
244 assert(s);
245
246 LIST_FOREACH(port, p, s->ports) {
247
248 if (p->type == SOCKET_SOCKET) {
249 if (socket_address_needs_mount(&p->address, prefix))
250 return true;
251 } else {
252 assert(p->type == SOCKET_FIFO);
253 if (path_startswith(p->path, prefix))
254 return true;
255 }
256 }
257
258 return false;
259}
260
261int socket_add_one_mount_link(Socket *s, Mount *m) {
262 int r;
263
264 assert(s);
265 assert(m);
266
267 if (s->meta.load_state != UNIT_LOADED ||
268 m->meta.load_state != UNIT_LOADED)
269 return 0;
270
271 if (!socket_needs_mount(s, m->where))
272 return 0;
273
2c966c03 274 if ((r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true)) < 0)
6e2ef85b
LP		 275 return r;
276
277 return 0;
278}
279
280static int socket_add_mount_links(Socket *s) {
281 Meta *other;
282 int r;
283
284 assert(s);
285
286 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_MOUNT])
287 if ((r = socket_add_one_mount_link(s, (Mount*) other)) < 0)
288 return r;
289
290 return 0;
291}
292
293static int socket_add_device_link(Socket *s) {
294 char *t;
295 int r;
296
297 assert(s);
298
299 if (!s->bind_to_device)
300 return 0;
301
302 if (asprintf(&t, "/sys/subsystem/net/devices/%s", s->bind_to_device) < 0)
303 return -ENOMEM;
304
305 r = unit_add_node_link(UNIT(s), t, false);
306 free(t);
307
308 return r;
309}
310
a40eb732
LP		 311static int socket_add_default_dependencies(Socket *s) {
312 int r;
313 assert(s);
314
2a77d31d
LP		 315 if (s->meta.manager->running_as == MANAGER_SYSTEM) {
316 if ((r = unit_add_dependency_by_name(UNIT(s), UNIT_BEFORE, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
317 return r;
318
a40eb732
LP		 319 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0)
320 return r;
2a77d31d 321 }
a40eb732 322
ead8e478 323 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 324}
325
e537352b
LP		 326static int socket_load(Unit *u) {
327 Socket *s = SOCKET(u);
328 int r;
44d8db9e 329
e537352b
LP		 330 assert(u);
331 assert(u->meta.load_state == UNIT_STUB);
44d8db9e 332
e537352b 333 if ((r = unit_load_fragment_and_dropin(u)) < 0)
23a177ef 334 return r;
44d8db9e 335
23a177ef 336 /* This is a new unit? Then let's add in some extras */
e537352b 337 if (u->meta.load_state == UNIT_LOADED) {
44d8db9e 338
4f2d528d 339 if (have_non_accept_socket(s)) {
d9ff321a
LP		 340
341 if (!s->service)
342 if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service)) < 0)
343 return r;
23a177ef 344
701cc384 345 if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service), true)) < 0)
4f2d528d
LP		 346 return r;
347 }
44d8db9e 348
6e2ef85b
LP		 349 if ((r = socket_add_mount_links(s)) < 0)
350 return r;
351
352 if ((r = socket_add_device_link(s)) < 0)
353 return r;
354
23a177ef
LP		 355 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
356 return r;
357
d686d8a9 358 if ((r = unit_add_default_cgroups(u)) < 0)
23a177ef 359 return r;
a40eb732
LP		 360
361 if (s->meta.default_dependencies)
362 if ((r = socket_add_default_dependencies(s)) < 0)
363 return r;
23a177ef
LP		 364 }
365
4f2d528d 366 return socket_verify(s);
44d8db9e
LP		 367}
368
542563ba
LP		 369static const char* listen_lookup(int type) {
370
371 if (type == SOCK_STREAM)
372 return "ListenStream";
373 else if (type == SOCK_DGRAM)
374 return "ListenDatagram";
375 else if (type == SOCK_SEQPACKET)
376 return "ListenSequentialPacket";
377
034c6ed7 378 assert_not_reached("Unknown socket type");
542563ba
LP		 379 return NULL;
380}
381
87f0e418 382static void socket_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 383
5cb5a6ff 384 SocketExecCommand c;
87f0e418 385 Socket *s = SOCKET(u);
542563ba 386 SocketPort *p;
82ba9f08
LP		 387 const char *prefix2;
388 char *p2;
5cb5a6ff
LP		 389
390 assert(s);
fa068367 391 assert(f);
5cb5a6ff 392
82ba9f08
LP		 393 p2 = strappend(prefix, "\t");
394 prefix2 = p2 ? p2 : prefix;
c43d20a0 395
5cb5a6ff
LP		 396 fprintf(f,
397 "%sSocket State: %s\n"
542563ba 398 "%sBindIPv6Only: %s\n"
b5a0699f
LP		 399 "%sBacklog: %u\n"
400 "%sSocketMode: %04o\n"
4fd5948e
LP		 401 "%sDirectoryMode: %04o\n"
402 "%sKeepAlive: %s\n"
cebf8b20
TT		 403 "%sFreeBind: %s\n"
404 "%sTCPCongestion: %s\n",
a16e1123 405 prefix, socket_state_to_string(s->state),
c0120d99 406 prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
b5a0699f
LP		 407 prefix, s->backlog,
408 prefix, s->socket_mode,
4fd5948e
LP		 409 prefix, s->directory_mode,
410 prefix, yes_no(s->keep_alive),
cebf8b20 411 prefix, yes_no(s->free_bind),
83a95334 412 prefix, strna(s->tcp_congestion));
542563ba 413
70123e68
LP		 414 if (s->control_pid > 0)
415 fprintf(f,
bb00e604
LP		 416 "%sControl PID: %lu\n",
417 prefix, (unsigned long) s->control_pid);
70123e68 418
acbb0225
LP		 419 if (s->bind_to_device)
420 fprintf(f,
421 "%sBindToDevice: %s\n",
422 prefix, s->bind_to_device);
423
4f2d528d
LP		 424 if (s->accept)
425 fprintf(f,
6cf6bbc2
LP		 426 "%sAccepted: %u\n"
427 "%sNConnections: %u\n"
428 "%sMaxConnections: %u\n",
429 prefix, s->n_accepted,
430 prefix, s->n_connections,
431 prefix, s->max_connections);
4f2d528d 432
4fd5948e
LP		 433 if (s->priority >= 0)
434 fprintf(f,
435 "%sPriority: %i\n",
436 prefix, s->priority);
437
438 if (s->receive_buffer > 0)
439 fprintf(f,
440 "%sReceiveBuffer: %zu\n",
441 prefix, s->receive_buffer);
442
443 if (s->send_buffer > 0)
444 fprintf(f,
445 "%sSendBuffer: %zu\n",
446 prefix, s->send_buffer);
447
448 if (s->ip_tos >= 0)
449 fprintf(f,
450 "%sIPTOS: %i\n",
451 prefix, s->ip_tos);
452
453 if (s->ip_ttl >= 0)
454 fprintf(f,
455 "%sIPTTL: %i\n",
456 prefix, s->ip_ttl);
457
458 if (s->pipe_size > 0)
459 fprintf(f,
460 "%sPipeSize: %zu\n",
461 prefix, s->pipe_size);
462
463 if (s->mark >= 0)
464 fprintf(f,
465 "%sMark: %i\n",
466 prefix, s->mark);
467
034c6ed7 468 LIST_FOREACH(port, p, s->ports) {
5cb5a6ff 469
542563ba
LP		 470 if (p->type == SOCKET_SOCKET) {
471 const char *t;
472 int r;
e364ad06 473 char *k = NULL;
542563ba
LP		 474
475 if ((r = socket_address_print(&p->address, &k)) < 0)
476 t = strerror(-r);
477 else
478 t = k;
479
e364ad06 480 fprintf(f, "%s%s: %s\n", prefix, listen_lookup(p->address.type), t);
542563ba
LP		 481 free(k);
482 } else
483 fprintf(f, "%sListenFIFO: %s\n", prefix, p->path);
484 }
5cb5a6ff
LP		 485
486 exec_context_dump(&s->exec_context, f, prefix);
487
e537352b 488 for (c = 0; c < _SOCKET_EXEC_COMMAND_MAX; c++) {
c43d20a0
LP		 489 if (!s->exec_command[c])
490 continue;
5cb5a6ff 491
40d50879 492 fprintf(f, "%s-> %s:\n",
a16e1123 493 prefix, socket_exec_command_to_string(c));
c43d20a0
LP		 494
495 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 496 }
c43d20a0 497
82ba9f08 498 free(p2);
5cb5a6ff
LP		 499}
500
4f2d528d
LP		 501static int instance_from_socket(int fd, unsigned nr, char **instance) {
502 socklen_t l;
503 char *r;
504 union {
505 struct sockaddr sa;
506 struct sockaddr_un un;
507 struct sockaddr_in in;
508 struct sockaddr_in6 in6;
509 struct sockaddr_storage storage;
510 } local, remote;
511
512 assert(fd >= 0);
513 assert(instance);
514
515 l = sizeof(local);
516 if (getsockname(fd, &local.sa, &l) < 0)
517 return -errno;
518
519 l = sizeof(remote);
520 if (getpeername(fd, &remote.sa, &l) < 0)
521 return -errno;
522
523 switch (local.sa.sa_family) {
524
525 case AF_INET: {
526 uint32_t
527 a = ntohl(local.in.sin_addr.s_addr),
528 b = ntohl(remote.in.sin_addr.s_addr);
529
530 if (asprintf(&r,
b15bdda8 531 "%u.%u.%u.%u:%u-%u.%u.%u.%u:%u",
4f2d528d
LP		 532 a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
533 ntohs(local.in.sin_port),
534 b >> 24, (b >> 16) & 0xFF, (b >> 8) & 0xFF, b & 0xFF,
535 ntohs(remote.in.sin_port)) < 0)
536 return -ENOMEM;
537
538 break;
539 }
540
541 case AF_INET6: {
2b061f5a
LP		 542 static const char ipv4_prefix[] = {
543 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF
544 };
545
546 if (memcmp(&local.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0 &&
547 memcmp(&remote.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) {
548 const uint8_t
549 *a = local.in6.sin6_addr.s6_addr+12,
550 *b = remote.in6.sin6_addr.s6_addr+12;
551
552 if (asprintf(&r,
b15bdda8 553 "%u.%u.%u.%u:%u-%u.%u.%u.%u:%u",
2b061f5a
LP		 554 a[0], a[1], a[2], a[3],
555 ntohs(local.in6.sin6_port),
556 b[0], b[1], b[2], b[3],
557 ntohs(remote.in6.sin6_port)) < 0)
558 return -ENOMEM;
559 } else {
560 char a[INET6_ADDRSTRLEN], b[INET6_ADDRSTRLEN];
561
562 if (asprintf(&r,
b15bdda8 563 "%s:%u-%s:%u",
2b061f5a
LP		 564 inet_ntop(AF_INET6, &local.in6.sin6_addr, a, sizeof(a)),
565 ntohs(local.in6.sin6_port),
566 inet_ntop(AF_INET6, &remote.in6.sin6_addr, b, sizeof(b)),
567 ntohs(remote.in6.sin6_port)) < 0)
568 return -ENOMEM;
569 }
4f2d528d
LP		 570
571 break;
572 }
573
574 case AF_UNIX: {
575 struct ucred ucred;
576
577 l = sizeof(ucred);
578 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0)
579 return -errno;
580
581 if (asprintf(&r,
bb00e604 582 "%u-%lu-%lu",
4f2d528d 583 nr,
bb00e604
LP		 584 (unsigned long) ucred.pid,
585 (unsigned long) ucred.uid) < 0)
4f2d528d
LP		 586 return -ENOMEM;
587
588 break;
589 }
590
591 default:
592 assert_not_reached("Unhandled socket type.");
593 }
594
595 *instance = r;
596 return 0;
597}
598
034c6ed7 599static void socket_close_fds(Socket *s) {
83c60c9f
LP		 600 SocketPort *p;
601
602 assert(s);
603
034c6ed7 604 LIST_FOREACH(port, p, s->ports) {
83c60c9f
LP		 605 if (p->fd < 0)
606 continue;
607
acbb0225 608 unit_unwatch_fd(UNIT(s), &p->fd_watch);
a16e1123
LP		 609 close_nointr_nofail(p->fd);
610
611 /* One little note: we should never delete any sockets
612 * in the file system here! After all some other
613 * process we spawned might still have a reference of
614 * this fd and wants to continue to use it. Therefore
615 * we delete sockets in the file system before we
616 * create a new one, not after we stopped using
617 * one! */
9152c765 618
83c60c9f
LP		 619 p->fd = -1;
620 }
621}
622
4fd5948e
LP		 623static void socket_apply_socket_options(Socket *s, int fd) {
624 assert(s);
625 assert(fd >= 0);
626
627 if (s->keep_alive) {
628 int b = s->keep_alive;
629 if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &b, sizeof(b)) < 0)
630 log_warning("SO_KEEPALIVE failed: %m");
631 }
632
633 if (s->priority >= 0)
634 if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0)
635 log_warning("SO_PRIORITY failed: %m");
636
637 if (s->receive_buffer > 0) {
638 int value = (int) s->receive_buffer;
639 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0)
640 log_warning("SO_RCVBUF failed: %m");
641 }
642
643 if (s->send_buffer > 0) {
644 int value = (int) s->send_buffer;
645 if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0)
646 log_warning("SO_SNDBUF failed: %m");
647 }
648
649 if (s->mark >= 0)
650 if (setsockopt(fd, SOL_SOCKET, SO_MARK, &s->mark, sizeof(s->mark)) < 0)
651 log_warning("SO_MARK failed: %m");
652
653 if (s->ip_tos >= 0)
654 if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0)
655 log_warning("IP_TOS failed: %m");
656
46925ac5
LP		 657 if (s->ip_ttl >= 0) {
658 int r, x;
659
660 r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl));
5bfcc1c6
FF		 661
662 if (socket_ipv6_is_supported())
663 x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl));
664 else {
665 x = -1;
666 errno = EAFNOSUPPORT;
667 }
46925ac5
LP		 668
669 if (r < 0 && x < 0)
670 log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m");
671 }
cebf8b20
TT		 672
673 if (s->tcp_congestion)
674 if (setsockopt(fd, SOL_TCP, TCP_CONGESTION, s->tcp_congestion, strlen(s->tcp_congestion)+1) < 0)
675 log_warning("TCP_CONGESTION failed: %m");
4fd5948e
LP		 676}
677
b15bdda8 678static void socket_apply_fifo_options(Socket *s, int fd) {
4fd5948e
LP		 679 assert(s);
680 assert(fd >= 0);
681
682 if (s->pipe_size > 0)
683 if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0)
684 log_warning("F_SETPIPE_SZ: %m");
685}
686
7a58bfa4 687
b15bdda8
LP		 688static int fifo_address_create(
689 const char *path,
690 mode_t directory_mode,
691 mode_t socket_mode,
b15bdda8
LP		 692 int *_fd) {
693
7a58bfa4 694 int fd = -1, r = 0;
b15bdda8
LP		 695 struct stat st;
696 mode_t old_mask;
697
698 assert(path);
699 assert(_fd);
700
701 mkdir_parents(path, directory_mode);
702
c4e2ceae 703 if ((r = label_fifofile_set(path)) < 0)
56cf987f 704 goto fail;
b15bdda8
LP		 705
706 /* Enforce the right access mode for the fifo */
707 old_mask = umask(~ socket_mode);
708
709 /* Include the original umask in our mask */
710 umask(~socket_mode | old_mask);
711
712 r = mkfifo(path, socket_mode);
713 umask(old_mask);
714
715 if (r < 0) {
716 r = -errno;
717 goto fail;
718 }
719
720 if ((fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
721 r = -errno;
722 goto fail;
723 }
724
56cf987f 725 label_file_clear();
7a58bfa4 726
b15bdda8
LP		 727 if (fstat(fd, &st) < 0) {
728 r = -errno;
729 goto fail;
730 }
731
732 if (!S_ISFIFO(st.st_mode) ||
de0200fc 733 (st.st_mode & 0777) != (socket_mode & ~old_mask) ||
b15bdda8
LP		 734 st.st_uid != getuid() ||
735 st.st_gid != getgid()) {
736
737 r = -EEXIST;
738 goto fail;
739 }
740
741 *_fd = fd;
742 return 0;
743
744fail:
56cf987f
DW		 745 label_file_clear();
746
b15bdda8
LP		 747 if (fd >= 0)
748 close_nointr_nofail(fd);
749
750 return r;
751}
752
034c6ed7 753static int socket_open_fds(Socket *s) {
83c60c9f
LP		 754 SocketPort *p;
755 int r;
56cf987f 756 char *label = NULL;
049f8642 757 bool know_label = false;
83c60c9f
LP		 758
759 assert(s);
760
034c6ed7 761 LIST_FOREACH(port, p, s->ports) {
83c60c9f 762
034c6ed7
LP		 763 if (p->fd >= 0)
764 continue;
83c60c9f
LP		 765
766 if (p->type == SOCKET_SOCKET) {
767
049f8642
LP		 768 if (!know_label) {
769
770 if ((r = socket_instantiate_service(s)) < 0)
771 return r;
772
cae18e21
LP		 773 if (s->service && s->service->exec_command[SERVICE_EXEC_START])
774 if ((r = label_get_socket_label_from_exe(s->service->exec_command[SERVICE_EXEC_START]->path, &label)) < 0)
775 return r;
049f8642
LP		 776
777 know_label = true;
778 }
779
b5a0699f
LP		 780 if ((r = socket_address_listen(
781 &p->address,
782 s->backlog,
783 s->bind_ipv6_only,
784 s->bind_to_device,
4fd5948e 785 s->free_bind,
b5a0699f
LP		 786 s->directory_mode,
787 s->socket_mode,
56cf987f 788 label,
b5a0699f 789 &p->fd)) < 0)
83c60c9f
LP		 790 goto rollback;
791
4fd5948e
LP		 792 socket_apply_socket_options(s, p->fd);
793
b15bdda8 794 } else if (p->type == SOCKET_FIFO) {
83c60c9f 795
b15bdda8
LP		 796 if ((r = fifo_address_create(
797 p->path,
798 s->directory_mode,
799 s->socket_mode,
b15bdda8 800 &p->fd)) < 0)
83c60c9f 801 goto rollback;
83c60c9f 802
b15bdda8 803 socket_apply_fifo_options(s, p->fd);
83c60c9f 804
b15bdda8
LP		 805 } else
806 assert_not_reached("Unknown port type");
034c6ed7
LP		 807 }
808
56cf987f 809 label_free(label);
034c6ed7
LP		 810 return 0;
811
812rollback:
813 socket_close_fds(s);
56cf987f 814 label_free(label);
034c6ed7
LP		 815 return r;
816}
817
818static void socket_unwatch_fds(Socket *s) {
819 SocketPort *p;
9152c765 820
034c6ed7
LP		 821 assert(s);
822
823 LIST_FOREACH(port, p, s->ports) {
824 if (p->fd < 0)
825 continue;
826
acbb0225 827 unit_unwatch_fd(UNIT(s), &p->fd_watch);
83c60c9f 828 }
034c6ed7
LP		 829}
830
831static int socket_watch_fds(Socket *s) {
832 SocketPort *p;
833 int r;
834
835 assert(s);
83c60c9f 836
034c6ed7
LP		 837 LIST_FOREACH(port, p, s->ports) {
838 if (p->fd < 0)
839 continue;
840
cabab516 841 p->fd_watch.socket_accept =
4f2d528d 842 s->accept &&
dd5ad9d4 843 p->type == SOCKET_SOCKET &&
4f2d528d
LP		 844 socket_address_can_accept(&p->address);
845
f94ea366 846 if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0)
034c6ed7
LP		 847 goto fail;
848 }
83c60c9f 849
542563ba 850 return 0;
83c60c9f 851
034c6ed7
LP		 852fail:
853 socket_unwatch_fds(s);
854 return r;
855}
856
857static void socket_set_state(Socket *s, SocketState state) {
858 SocketState old_state;
859 assert(s);
860
861 old_state = s->state;
862 s->state = state;
863
864 if (state != SOCKET_START_PRE &&
865 state != SOCKET_START_POST &&
866 state != SOCKET_STOP_PRE &&
867 state != SOCKET_STOP_PRE_SIGTERM &&
868 state != SOCKET_STOP_PRE_SIGKILL &&
869 state != SOCKET_STOP_POST &&
80876c20
LP		 870 state != SOCKET_FINAL_SIGTERM &&
871 state != SOCKET_FINAL_SIGKILL) {
acbb0225 872 unit_unwatch_timer(UNIT(s), &s->timer_watch);
5e94833f 873 socket_unwatch_control_pid(s);
034c6ed7 874 s->control_command = NULL;
a16e1123 875 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
e537352b 876 }
034c6ed7 877
a16e1123
LP		 878 if (state != SOCKET_LISTENING)
879 socket_unwatch_fds(s);
880
034c6ed7
LP		 881 if (state != SOCKET_START_POST &&
882 state != SOCKET_LISTENING &&
883 state != SOCKET_RUNNING &&
884 state != SOCKET_STOP_PRE &&
885 state != SOCKET_STOP_PRE_SIGTERM &&
886 state != SOCKET_STOP_PRE_SIGKILL)
887 socket_close_fds(s);
888
e537352b 889 if (state != old_state)
40d50879 890 log_debug("%s changed %s -> %s",
a16e1123
LP		 891 s->meta.id,
892 socket_state_to_string(old_state),
893 socket_state_to_string(state));
acbb0225 894
e2f3b44c 895 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true);
034c6ed7
LP		 896}
897
a16e1123
LP		 898static int socket_coldplug(Unit *u) {
899 Socket *s = SOCKET(u);
900 int r;
901
902 assert(s);
903 assert(s->state == SOCKET_DEAD);
904
905 if (s->deserialized_state != s->state) {
906
907 if (s->deserialized_state == SOCKET_START_PRE ||
908 s->deserialized_state == SOCKET_START_POST ||
909 s->deserialized_state == SOCKET_STOP_PRE ||
910 s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
911 s->deserialized_state == SOCKET_STOP_PRE_SIGKILL ||
912 s->deserialized_state == SOCKET_STOP_POST ||
913 s->deserialized_state == SOCKET_FINAL_SIGTERM ||
914 s->deserialized_state == SOCKET_FINAL_SIGKILL) {
915
916 if (s->control_pid <= 0)
917 return -EBADMSG;
918
919 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
920 return r;
921
922 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
923 return r;
924 }
925
926 if (s->deserialized_state == SOCKET_START_POST ||
927 s->deserialized_state == SOCKET_LISTENING ||
928 s->deserialized_state == SOCKET_RUNNING ||
929 s->deserialized_state == SOCKET_STOP_PRE ||
930 s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
931 s->deserialized_state == SOCKET_STOP_PRE_SIGKILL)
932 if ((r = socket_open_fds(s)) < 0)
933 return r;
934
935 if (s->deserialized_state == SOCKET_LISTENING)
936 if ((r = socket_watch_fds(s)) < 0)
937 return r;
938
939 socket_set_state(s, s->deserialized_state);
940 }
941
942 return 0;
943}
944
e537352b 945static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
034c6ed7
LP		 946 pid_t pid;
947 int r;
9e2f7c11 948 char **argv;
034c6ed7
LP		 949
950 assert(s);
951 assert(c);
952 assert(_pid);
953
e537352b
LP		 954 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
955 goto fail;
034c6ed7 956
9e2f7c11
LP		 957 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
958 r = -ENOMEM;
959 goto fail;
960 }
961
962 r = exec_spawn(c,
963 argv,
964 &s->exec_context,
965 NULL, 0,
1137a57c 966 s->meta.manager->environment,
9e2f7c11
LP		 967 true,
968 true,
1e3ad081 969 true,
4cd1fbcc
LP		 970 s->meta.manager->confirm_spawn,
971 s->meta.cgroup_bondings,
9e2f7c11
LP		 972 &pid);
973
974 strv_free(argv);
975 if (r < 0)
034c6ed7
LP		 976 goto fail;
977
87f0e418 978 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 979 /* FIXME: we need to do something here */
980 goto fail;
83c60c9f 981
034c6ed7
LP		 982 *_pid = pid;
983
984 return 0;
985
986fail:
e537352b 987 unit_unwatch_timer(UNIT(s), &s->timer_watch);
83c60c9f
LP		 988
989 return r;
542563ba
LP		 990}
991
034c6ed7
LP		 992static void socket_enter_dead(Socket *s, bool success) {
993 assert(s);
994
995 if (!success)
996 s->failure = true;
997
fdf20a31 998 socket_set_state(s, s->failure ? SOCKET_FAILED : SOCKET_DEAD);
034c6ed7
LP		 999}
1000
80876c20
LP		 1001static void socket_enter_signal(Socket *s, SocketState state, bool success);
1002
034c6ed7
LP		 1003static void socket_enter_stop_post(Socket *s, bool success) {
1004 int r;
1005 assert(s);
1006
1007 if (!success)
1008 s->failure = true;
1009
5e94833f
LP		 1010 socket_unwatch_control_pid(s);
1011
a16e1123
LP		 1012 s->control_command_id = SOCKET_EXEC_STOP_POST;
1013
80876c20 1014 if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) {
e537352b 1015 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1016 goto fail;
1017
80876c20
LP		 1018 socket_set_state(s, SOCKET_STOP_POST);
1019 } else
1020 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true);
034c6ed7
LP		 1021
1022 return;
1023
1024fail:
6cf6bbc2 1025 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
80876c20 1026 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1027}
1028
1029static void socket_enter_signal(Socket *s, SocketState state, bool success) {
1030 int r;
ca949c9d
LP		 1031 Set *pid_set = NULL;
1032 bool wait_for_exit = false;
034c6ed7
LP		 1033
1034 assert(s);
1035
1036 if (!success)
1037 s->failure = true;
1038
2e22afe9
LP		 1039 if (s->exec_context.kill_mode != KILL_NONE) {
1040 int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1041
ca949c9d 1042 if (s->control_pid > 0) {
cd25cce9 1043 if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
50159e6a 1044
ca949c9d
LP		 1045 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1046 else
1047 wait_for_exit = true;
034c6ed7 1048 }
50159e6a 1049
ca949c9d
LP		 1050 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
1051
1052 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1053 r = -ENOMEM;
50159e6a
LP		 1054 goto fail;
1055 }
ca949c9d
LP		 1056
1057 /* Exclude the control pid from being killed via the cgroup */
1058 if (s->control_pid > 0)
1059 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1060 goto fail;
1061
430c18ed 1062 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, true, pid_set)) < 0) {
ca949c9d
LP		 1063 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1064 log_warning("Failed to kill control group: %s", strerror(-r));
1065 } else if (r > 0)
1066 wait_for_exit = true;
1067
1068 set_free(pid_set);
1069 }
d6ea93e3 1070 }
034c6ed7 1071
ca949c9d 1072 if (wait_for_exit) {
80876c20
LP		 1073 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1074 goto fail;
d6ea93e3 1075
80876c20
LP		 1076 socket_set_state(s, state);
1077 } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
1078 socket_enter_stop_post(s, true);
1079 else
034c6ed7
LP		 1080 socket_enter_dead(s, true);
1081
1082 return;
1083
1084fail:
9e2f7c11 1085 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1086
1087 if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
1088 socket_enter_stop_post(s, false);
1089 else
1090 socket_enter_dead(s, false);
ca949c9d
LP		 1091
1092 if (pid_set)
1093 set_free(pid_set);
034c6ed7
LP		 1094}
1095
1096static void socket_enter_stop_pre(Socket *s, bool success) {
1097 int r;
1098 assert(s);
1099
1100 if (!success)
1101 s->failure = true;
1102
5e94833f
LP		 1103 socket_unwatch_control_pid(s);
1104
a16e1123
LP		 1105 s->control_command_id = SOCKET_EXEC_STOP_PRE;
1106
80876c20 1107 if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) {
e537352b 1108 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1109 goto fail;
1110
80876c20
LP		 1111 socket_set_state(s, SOCKET_STOP_PRE);
1112 } else
034c6ed7
LP		 1113 socket_enter_stop_post(s, true);
1114
1115 return;
1116
1117fail:
6cf6bbc2 1118 log_warning("%s failed to run 'stop-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1119 socket_enter_stop_post(s, false);
1120}
1121
e9af15c3
LP		 1122static void socket_enter_listening(Socket *s) {
1123 int r;
1124 assert(s);
1125
1126 if ((r = socket_watch_fds(s)) < 0) {
9e2f7c11 1127 log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r));
e9af15c3
LP		 1128 goto fail;
1129 }
1130
1131 socket_set_state(s, SOCKET_LISTENING);
1132 return;
1133
1134fail:
1135 socket_enter_stop_pre(s, false);
1136}
1137
034c6ed7
LP		 1138static void socket_enter_start_post(Socket *s) {
1139 int r;
1140 assert(s);
1141
e9af15c3 1142 if ((r = socket_open_fds(s)) < 0) {
9e2f7c11 1143 log_warning("%s failed to listen on sockets: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1144 goto fail;
1145 }
1146
5e94833f
LP		 1147 socket_unwatch_control_pid(s);
1148
a16e1123
LP		 1149 s->control_command_id = SOCKET_EXEC_START_POST;
1150
80876c20 1151 if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) {
e537352b 1152 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) {
6cf6bbc2 1153 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1154 goto fail;
1155 }
1156
80876c20
LP		 1157 socket_set_state(s, SOCKET_START_POST);
1158 } else
e9af15c3 1159 socket_enter_listening(s);
034c6ed7
LP		 1160
1161 return;
1162
1163fail:
1164 socket_enter_stop_pre(s, false);
1165}
1166
1167static void socket_enter_start_pre(Socket *s) {
1168 int r;
1169 assert(s);
1170
5e94833f
LP		 1171 socket_unwatch_control_pid(s);
1172
a16e1123
LP		 1173 s->control_command_id = SOCKET_EXEC_START_PRE;
1174
80876c20 1175 if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) {
e537352b 1176 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1177 goto fail;
1178
80876c20
LP		 1179 socket_set_state(s, SOCKET_START_PRE);
1180 } else
034c6ed7
LP		 1181 socket_enter_start_post(s);
1182
1183 return;
1184
1185fail:
6cf6bbc2 1186 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1187 socket_enter_dead(s, false);
1188}
1189
4f2d528d 1190static void socket_enter_running(Socket *s, int cfd) {
034c6ed7 1191 int r;
398ef8ba 1192 DBusError error;
034c6ed7
LP		 1193
1194 assert(s);
398ef8ba 1195 dbus_error_init(&error);
034c6ed7 1196
ba3e67a7
LP		 1197 /* We don't take connections anymore if we are supposed to
1198 * shut down anyway */
18ffdfda 1199 if (unit_pending_inactive(UNIT(s))) {
5d909e3e
LP		 1200 log_debug("Suppressing connection request on %s since unit stop is scheduled.", s->meta.id);
1201
7c610628
LP		 1202 if (cfd >= 0)
1203 close_nointr_nofail(cfd);
1204 else {
1205 /* Flush all sockets by closing and reopening them */
1206 socket_close_fds(s);
1207
1208 if ((r = socket_watch_fds(s)) < 0) {
1209 log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r));
1210 socket_enter_stop_pre(s, false);
1211 }
1212 }
1213
ba3e67a7
LP		 1214 return;
1215 }
1216
4f2d528d 1217 if (cfd < 0) {
f976f3f6
LP		 1218 bool pending = false;
1219 Meta *i;
1220
1221 /* If there's already a start pending don't bother to
1222 * do anything */
1223 LIST_FOREACH(units_per_type, i, s->meta.manager->units_per_type[UNIT_SERVICE]) {
1224 Service *service = (Service *) i;
1225
1226 if (!set_get(service->configured_sockets, s))
1227 continue;
1228
1229 if (!unit_pending_active(UNIT(service)))
1230 continue;
1231
1232 pending = true;
1233 break;
1234 }
1235
1236 if (!pending)
1237 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, &error, NULL)) < 0)
1238 goto fail;
4f2d528d
LP		 1239
1240 socket_set_state(s, SOCKET_RUNNING);
1241 } else {
b4f10a5e 1242 char *prefix, *instance = NULL, *name;
b15bdda8 1243 Service *service;
4f2d528d 1244
6cf6bbc2
LP		 1245 if (s->n_connections >= s->max_connections) {
1246 log_warning("Too many incoming connections (%u)", s->n_connections);
1247 close_nointr_nofail(cfd);
1248 return;
1249 }
1250
b15bdda8
LP		 1251 if ((r = socket_instantiate_service(s)) < 0)
1252 goto fail;
1253
1254 if ((r = instance_from_socket(cfd, s->n_accepted, &instance)) < 0)
4f2d528d
LP		 1255 goto fail;
1256
4cd1fbcc 1257 if (!(prefix = unit_name_to_prefix(s->meta.id))) {
4f2d528d
LP		 1258 free(instance);
1259 r = -ENOMEM;
1260 goto fail;
1261 }
1262
1263 name = unit_name_build(prefix, instance, ".service");
1264 free(prefix);
1265 free(instance);
1266
b6dbbe1c 1267 if (!name) {
4f2d528d 1268 r = -ENOMEM;
b6dbbe1c
LP		 1269 goto fail;
1270 }
4f2d528d 1271
b15bdda8
LP		 1272 if ((r = unit_add_name(UNIT(s->service), name)) < 0) {
1273 free(name);
4f2d528d 1274 goto fail;
b15bdda8
LP		 1275 }
1276
1277 service = s->service;
1278 s->service = NULL;
1279 s->n_accepted ++;
4f2d528d 1280
6c073082
LP		 1281 service->meta.no_gc = false;
1282
b15bdda8
LP		 1283 unit_choose_id(UNIT(service), name);
1284 free(name);
1285
1286 if ((r = service_set_socket_fd(service, cfd, s)) < 0)
4f2d528d
LP		 1287 goto fail;
1288
1289 cfd = -1;
6cf6bbc2
LP		 1290 s->n_connections ++;
1291
b15bdda8 1292 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(service), JOB_REPLACE, true, &error, NULL)) < 0)
4f2d528d 1293 goto fail;
c4e2ceae
LP		 1294
1295 /* Notify clients about changed counters */
1296 unit_add_to_dbus_queue(UNIT(s));
4f2d528d 1297 }
034c6ed7 1298
034c6ed7
LP		 1299 return;
1300
1301fail:
398ef8ba 1302 log_warning("%s failed to queue socket startup job: %s", s->meta.id, bus_error(&error, r));
80876c20 1303 socket_enter_stop_pre(s, false);
4f2d528d
LP		 1304
1305 if (cfd >= 0)
1306 close_nointr_nofail(cfd);
398ef8ba
LP		 1307
1308 dbus_error_free(&error);
034c6ed7
LP		 1309}
1310
1311static void socket_run_next(Socket *s, bool success) {
1312 int r;
1313
1314 assert(s);
1315 assert(s->control_command);
1316 assert(s->control_command->command_next);
1317
1318 if (!success)
1319 s->failure = true;
1320
5e94833f
LP		 1321 socket_unwatch_control_pid(s);
1322
034c6ed7
LP		 1323 s->control_command = s->control_command->command_next;
1324
e537352b 1325 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1326 goto fail;
1327
1328 return;
1329
1330fail:
6cf6bbc2 1331 log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r));
80876c20
LP		 1332
1333 if (s->state == SOCKET_START_POST)
1334 socket_enter_stop_pre(s, false);
034c6ed7
LP		 1335 else if (s->state == SOCKET_STOP_POST)
1336 socket_enter_dead(s, false);
1337 else
80876c20 1338 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1339}
1340
87f0e418
LP		 1341static int socket_start(Unit *u) {
1342 Socket *s = SOCKET(u);
83c60c9f
LP		 1343
1344 assert(s);
1345
034c6ed7
LP		 1346 /* We cannot fulfill this request right now, try again later
1347 * please! */
1348 if (s->state == SOCKET_STOP_PRE ||
1349 s->state == SOCKET_STOP_PRE_SIGKILL ||
1350 s->state == SOCKET_STOP_PRE_SIGTERM ||
1351 s->state == SOCKET_STOP_POST ||
80876c20
LP		 1352 s->state == SOCKET_FINAL_SIGTERM ||
1353 s->state == SOCKET_FINAL_SIGKILL)
034c6ed7
LP		 1354 return -EAGAIN;
1355
83c60c9f
LP		 1356 if (s->state == SOCKET_START_PRE ||
1357 s->state == SOCKET_START_POST)
034c6ed7 1358 return 0;
83c60c9f 1359
034c6ed7 1360 /* Cannot run this without the service being around */
4f2d528d
LP		 1361 if (s->service) {
1362 if (s->service->meta.load_state != UNIT_LOADED)
1363 return -ENOENT;
1364
35b8ca3a 1365 /* If the service is already active we cannot start the
4f2d528d
LP		 1366 * socket */
1367 if (s->service->state != SERVICE_DEAD &&
fdf20a31 1368 s->service->state != SERVICE_FAILED &&
4f2d528d
LP		 1369 s->service->state != SERVICE_AUTO_RESTART)
1370 return -EBUSY;
7b4bf06b
LP		 1371
1372#ifdef HAVE_SYSV_COMPAT
1373 if (s->service->sysv_path) {
1374 log_error("Using SysV services for socket activation is not supported. Refusing.");
1375 return -ENOENT;
1376 }
1377#endif
4f2d528d 1378 }
e537352b 1379
fdf20a31 1380 assert(s->state == SOCKET_DEAD || s->state == SOCKET_FAILED);
83c60c9f 1381
034c6ed7
LP		 1382 s->failure = false;
1383 socket_enter_start_pre(s);
1384 return 0;
1385}
83c60c9f 1386
87f0e418
LP		 1387static int socket_stop(Unit *u) {
1388 Socket *s = SOCKET(u);
034c6ed7
LP		 1389
1390 assert(s);
1391
e537352b
LP		 1392 /* Already on it */
1393 if (s->state == SOCKET_STOP_PRE ||
1394 s->state == SOCKET_STOP_PRE_SIGTERM ||
1395 s->state == SOCKET_STOP_PRE_SIGKILL ||
1396 s->state == SOCKET_STOP_POST ||
80876c20 1397 s->state == SOCKET_FINAL_SIGTERM ||
3f6c78dc 1398 s->state == SOCKET_FINAL_SIGKILL)
e537352b
LP		 1399 return 0;
1400
3f6c78dc
LP		 1401 /* If there's already something running we go directly into
1402 * kill mode. */
1403 if (s->state == SOCKET_START_PRE ||
1404 s->state == SOCKET_START_POST) {
1405 socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, true);
1406 return -EAGAIN;
1407 }
1408
034c6ed7 1409 assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING);
83c60c9f 1410
034c6ed7 1411 socket_enter_stop_pre(s, true);
542563ba
LP		 1412 return 0;
1413}
1414
a16e1123
LP		 1415static int socket_serialize(Unit *u, FILE *f, FDSet *fds) {
1416 Socket *s = SOCKET(u);
1417 SocketPort *p;
1418 int r;
1419
1420 assert(u);
1421 assert(f);
1422 assert(fds);
1423
1424 unit_serialize_item(u, f, "state", socket_state_to_string(s->state));
1425 unit_serialize_item(u, f, "failure", yes_no(s->failure));
1426 unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted);
1427
1428 if (s->control_pid > 0)
5925dd3c 1429 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123
LP		 1430
1431 if (s->control_command_id >= 0)
1432 unit_serialize_item(u, f, "control-command", socket_exec_command_to_string(s->control_command_id));
1433
1434 LIST_FOREACH(port, p, s->ports) {
1435 int copy;
1436
1437 if (p->fd < 0)
1438 continue;
1439
1440 if ((copy = fdset_put_dup(fds, p->fd)) < 0)
1441 return copy;
1442
1443 if (p->type == SOCKET_SOCKET) {
1444 char *t;
1445
1446 if ((r = socket_address_print(&p->address, &t)) < 0)
1447 return r;
1448
27ca8d7a 1449 unit_serialize_item_format(u, f, "socket", "%i %i %s", copy, p->address.type, t);
a16e1123
LP		 1450 free(t);
1451 } else {
1452 assert(p->type == SOCKET_FIFO);
1453 unit_serialize_item_format(u, f, "fifo", "%i %s", copy, p->path);
1454 }
1455 }
1456
1457 return 0;
1458}
1459
1460static int socket_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
1461 Socket *s = SOCKET(u);
a16e1123
LP		 1462
1463 assert(u);
1464 assert(key);
1465 assert(value);
1466 assert(fds);
1467
1468 if (streq(key, "state")) {
1469 SocketState state;
1470
1471 if ((state = socket_state_from_string(value)) < 0)
1472 log_debug("Failed to parse state value %s", value);
1473 else
1474 s->deserialized_state = state;
1475 } else if (streq(key, "failure")) {
1476 int b;
1477
1478 if ((b = parse_boolean(value)) < 0)
1479 log_debug("Failed to parse failure value %s", value);
1480 else
1481 s->failure = b || s->failure;
1482
1483 } else if (streq(key, "n-accepted")) {
1484 unsigned k;
1485
e364ad06 1486 if (safe_atou(value, &k) < 0)
a16e1123
LP		 1487 log_debug("Failed to parse n-accepted value %s", value);
1488 else
1489 s->n_accepted += k;
1490 } else if (streq(key, "control-pid")) {
5925dd3c 1491 pid_t pid;
a16e1123 1492
e364ad06 1493 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 1494 log_debug("Failed to parse control-pid value %s", value);
1495 else
5925dd3c 1496 s->control_pid = pid;
a16e1123
LP		 1497 } else if (streq(key, "control-command")) {
1498 SocketExecCommand id;
1499
1500 if ((id = socket_exec_command_from_string(value)) < 0)
1501 log_debug("Failed to parse exec-command value %s", value);
1502 else {
1503 s->control_command_id = id;
1504 s->control_command = s->exec_command[id];
1505 }
1506 } else if (streq(key, "fifo")) {
1507 int fd, skip = 0;
1508 SocketPort *p;
1509
1510 if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
1511 log_debug("Failed to parse fifo value %s", value);
1512 else {
1513
1514 LIST_FOREACH(port, p, s->ports)
1515 if (streq(p->path, value+skip))
1516 break;
1517
1518 if (p) {
1519 if (p->fd >= 0)
1520 close_nointr_nofail(p->fd);
1521 p->fd = fdset_remove(fds, fd);
1522 }
1523 }
1524
1525 } else if (streq(key, "socket")) {
27ca8d7a 1526 int fd, type, skip = 0;
a16e1123
LP		 1527 SocketPort *p;
1528
27ca8d7a 1529 if (sscanf(value, "%i %i %n", &fd, &type, &skip) < 2 || fd < 0 || type < 0 || !fdset_contains(fds, fd))
a16e1123
LP		 1530 log_debug("Failed to parse socket value %s", value);
1531 else {
1532
1533 LIST_FOREACH(port, p, s->ports)
27ca8d7a 1534 if (socket_address_is(&p->address, value+skip, type))
a16e1123
LP		 1535 break;
1536
1537 if (p) {
1538 if (p->fd >= 0)
1539 close_nointr_nofail(p->fd);
1540 p->fd = fdset_remove(fds, fd);
1541 }
1542 }
1543
1544 } else
1545 log_debug("Unknown serialization key '%s'", key);
1546
1547 return 0;
1548}
1549
87f0e418
LP		 1550static UnitActiveState socket_active_state(Unit *u) {
1551 assert(u);
5cb5a6ff 1552
acbb0225 1553 return state_translation_table[SOCKET(u)->state];
5cb5a6ff
LP		 1554}
1555
10a94420
LP		 1556static const char *socket_sub_state_to_string(Unit *u) {
1557 assert(u);
1558
a16e1123 1559 return socket_state_to_string(SOCKET(u)->state);
10a94420
LP		 1560}
1561
6cf6bbc2
LP		 1562static bool socket_check_gc(Unit *u) {
1563 Socket *s = SOCKET(u);
1564
1565 assert(u);
1566
1567 return s->n_connections > 0;
1568}
1569
acbb0225 1570static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
87f0e418 1571 Socket *s = SOCKET(u);
4f2d528d 1572 int cfd = -1;
9152c765 1573
034c6ed7 1574 assert(s);
8d567588 1575 assert(fd >= 0);
9152c765 1576
871d7de4
LP		 1577 if (s->state != SOCKET_LISTENING)
1578 return;
1579
9e2f7c11 1580 log_debug("Incoming traffic on %s", u->meta.id);
9152c765 1581
4f2d528d
LP		 1582 if (events != EPOLLIN) {
1583 log_error("Got invalid poll event on socket.");
8d567588 1584 goto fail;
4f2d528d
LP		 1585 }
1586
cabab516 1587 if (w->socket_accept) {
4f2d528d
LP		 1588 for (;;) {
1589
1590 if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) {
1591
1592 if (errno == EINTR)
1593 continue;
1594
1595 log_error("Failed to accept socket: %m");
8d567588 1596 goto fail;
4f2d528d
LP		 1597 }
1598
1599 break;
1600 }
4fd5948e
LP		 1601
1602 socket_apply_socket_options(s, cfd);
4f2d528d 1603 }
9152c765 1604
4f2d528d 1605 socket_enter_running(s, cfd);
8d567588
LP		 1606 return;
1607
1608fail:
1609 socket_enter_stop_pre(s, false);
9152c765
LP		 1610}
1611
87f0e418
LP		 1612static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
1613 Socket *s = SOCKET(u);
034c6ed7 1614 bool success;
5cb5a6ff
LP		 1615
1616 assert(s);
034c6ed7 1617 assert(pid >= 0);
5cb5a6ff 1618
8c47c732
LP		 1619 if (pid != s->control_pid)
1620 return;
542563ba 1621
034c6ed7
LP		 1622 s->control_pid = 0;
1623
8c47c732 1624 success = is_clean_exit(code, status);
8c47c732 1625
b708e7ce 1626 if (s->control_command) {
169c1bda 1627 exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id);
a16e1123 1628
b708e7ce
LP		 1629 if (s->control_command->ignore)
1630 success = true;
1631 }
1632
92abbefb
LP		 1633 log_full(success ? LOG_DEBUG : LOG_NOTICE,
1634 "%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 1635 s->failure = s->failure || !success;
034c6ed7 1636
a16e1123
LP		 1637 if (s->control_command && s->control_command->command_next && success) {
1638 log_debug("%s running next command for state %s", u->meta.id, socket_state_to_string(s->state));
034c6ed7 1639 socket_run_next(s, success);
acbb0225 1640 } else {
a16e1123
LP		 1641 s->control_command = NULL;
1642 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
1643
034c6ed7
LP		 1644 /* No further commands for this step, so let's figure
1645 * out what to do next */
5cb5a6ff 1646
a16e1123 1647 log_debug("%s got final SIGCHLD for state %s", u->meta.id, socket_state_to_string(s->state));
acbb0225 1648
034c6ed7
LP		 1649 switch (s->state) {
1650
1651 case SOCKET_START_PRE:
1652 if (success)
acbb0225 1653 socket_enter_start_post(s);
034c6ed7 1654 else
80876c20 1655 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1656 break;
1657
1658 case SOCKET_START_POST:
1659 if (success)
e9af15c3 1660 socket_enter_listening(s);
034c6ed7
LP		 1661 else
1662 socket_enter_stop_pre(s, false);
1663 break;
1664
1665 case SOCKET_STOP_PRE:
1666 case SOCKET_STOP_PRE_SIGTERM:
1667 case SOCKET_STOP_PRE_SIGKILL:
1668 socket_enter_stop_post(s, success);
1669 break;
1670
1671 case SOCKET_STOP_POST:
80876c20
LP		 1672 case SOCKET_FINAL_SIGTERM:
1673 case SOCKET_FINAL_SIGKILL:
034c6ed7
LP		 1674 socket_enter_dead(s, success);
1675 break;
1676
1677 default:
1678 assert_not_reached("Uh, control process died at wrong time.");
1679 }
1680 }
c4e2ceae
LP		 1681
1682 /* Notify clients about changed exit status */
1683 unit_add_to_dbus_queue(u);
034c6ed7 1684}
5cb5a6ff 1685
acbb0225 1686static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
87f0e418 1687 Socket *s = SOCKET(u);
5cb5a6ff 1688
034c6ed7
LP		 1689 assert(s);
1690 assert(elapsed == 1);
acbb0225 1691 assert(w == &s->timer_watch);
034c6ed7
LP		 1692
1693 switch (s->state) {
1694
1695 case SOCKET_START_PRE:
9e2f7c11 1696 log_warning("%s starting timed out. Terminating.", u->meta.id);
80876c20
LP		 1697 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
1698
034c6ed7 1699 case SOCKET_START_POST:
9e2f7c11 1700 log_warning("%s starting timed out. Stopping.", u->meta.id);
034c6ed7
LP		 1701 socket_enter_stop_pre(s, false);
1702 break;
1703
1704 case SOCKET_STOP_PRE:
9e2f7c11 1705 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 1706 socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, false);
1707 break;
1708
1709 case SOCKET_STOP_PRE_SIGTERM:
ba035df2
LP		 1710 if (s->exec_context.send_sigkill) {
1711 log_warning("%s stopping timed out. Killing.", u->meta.id);
1712 socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false);
1713 } else {
1714 log_warning("%s stopping timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
1715 socket_enter_stop_post(s, false);
1716 }
034c6ed7
LP		 1717 break;
1718
1719 case SOCKET_STOP_PRE_SIGKILL:
9e2f7c11 1720 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 1721 socket_enter_stop_post(s, false);
1722 break;
1723
1724 case SOCKET_STOP_POST:
9e2f7c11 1725 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
80876c20 1726 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1727 break;
1728
80876c20 1729 case SOCKET_FINAL_SIGTERM:
ba035df2
LP		 1730 if (s->exec_context.send_sigkill) {
1731 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
1732 socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false);
1733 } else {
1734 log_warning("%s stopping timed out (2). Skipping SIGKILL. Ignoring.", u->meta.id);
1735 socket_enter_dead(s, false);
1736 }
034c6ed7
LP		 1737 break;
1738
80876c20 1739 case SOCKET_FINAL_SIGKILL:
fdf20a31 1740 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
034c6ed7
LP		 1741 socket_enter_dead(s, false);
1742 break;
1743
1744 default:
1745 assert_not_reached("Timeout at wrong time.");
1746 }
5cb5a6ff
LP		 1747}
1748
44d8db9e
LP		 1749int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds) {
1750 int *rfds;
1751 unsigned rn_fds, k;
1752 SocketPort *p;
1753
1754 assert(s);
1755 assert(fds);
1756 assert(n_fds);
1757
1758 /* Called from the service code for requesting our fds */
1759
1760 rn_fds = 0;
1761 LIST_FOREACH(port, p, s->ports)
1762 if (p->fd >= 0)
1763 rn_fds++;
1764
e364ad06 1765 if (!(rfds = new(int, rn_fds)))
44d8db9e
LP		 1766 return -ENOMEM;
1767
1768 k = 0;
1769 LIST_FOREACH(port, p, s->ports)
1770 if (p->fd >= 0)
1771 rfds[k++] = p->fd;
1772
1773 assert(k == rn_fds);
1774
1775 *fds = rfds;
1776 *n_fds = rn_fds;
1777
1778 return 0;
1779}
1780
ceee3d82
LP		 1781void socket_notify_service_dead(Socket *s) {
1782 assert(s);
1783
6cf6bbc2
LP		 1784 /* The service is dead. Dang!
1785 *
1786 * This is strictly for one-instance-for-all-connections
1787 * services. */
ceee3d82
LP		 1788
1789 if (s->state == SOCKET_RUNNING) {
9e2f7c11 1790 log_debug("%s got notified about service death.", s->meta.id);
ceee3d82
LP		 1791 socket_enter_listening(s);
1792 }
1793}
1794
6cf6bbc2
LP		 1795void socket_connection_unref(Socket *s) {
1796 assert(s);
1797
1798 /* The service is dead. Yay!
1799 *
35b8ca3a 1800 * This is strictly for one-instance-per-connection
6cf6bbc2
LP		 1801 * services. */
1802
1803 assert(s->n_connections > 0);
1804 s->n_connections--;
1805
1806 log_debug("%s: One connection closed, %u left.", s->meta.id, s->n_connections);
1807}
1808
fdf20a31 1809static void socket_reset_failed(Unit *u) {
5632e374
LP		 1810 Socket *s = SOCKET(u);
1811
1812 assert(s);
1813
fdf20a31 1814 if (s->state == SOCKET_FAILED)
5632e374
LP		 1815 socket_set_state(s, SOCKET_DEAD);
1816
1817 s->failure = false;
1818}
1819
8a0867d6
LP		 1820static int socket_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
1821 Socket *s = SOCKET(u);
1822 int r = 0;
1823 Set *pid_set = NULL;
1824
1825 assert(s);
1826
1827 if (who == KILL_MAIN) {
1828 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Socket units have no main processes");
1829 return -EINVAL;
1830 }
1831
1832 if (s->control_pid <= 0 && who == KILL_CONTROL) {
1833 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
1834 return -ENOENT;
1835 }
1836
1837 if (s->control_pid > 0)
cd25cce9 1838 if (kill(s->control_pid, signo) < 0)
8a0867d6
LP		 1839 r = -errno;
1840
1841 if (mode == KILL_CONTROL_GROUP) {
1842 int q;
1843
1844 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
1845 return -ENOMEM;
1846
1847 /* Exclude the control pid from being killed via the cgroup */
1848 if (s->control_pid > 0)
1849 if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
1850 r = q;
1851 goto finish;
1852 }
1853
430c18ed 1854 if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, false, pid_set)) < 0)
8a0867d6
LP		 1855 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1856 r = q;
1857 }
1858
1859finish:
1860 if (pid_set)
1861 set_free(pid_set);
1862
1863 return r;
1864}
1865
a16e1123
LP		 1866static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
1867 [SOCKET_DEAD] = "dead",
1868 [SOCKET_START_PRE] = "start-pre",
1869 [SOCKET_START_POST] = "start-post",
1870 [SOCKET_LISTENING] = "listening",
1871 [SOCKET_RUNNING] = "running",
1872 [SOCKET_STOP_PRE] = "stop-pre",
1873 [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
1874 [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
1875 [SOCKET_STOP_POST] = "stop-post",
1876 [SOCKET_FINAL_SIGTERM] = "final-sigterm",
1877 [SOCKET_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 1878 [SOCKET_FAILED] = "failed"
a16e1123
LP		 1879};
1880
1881DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
1882
1883static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = {
1884 [SOCKET_EXEC_START_PRE] = "StartPre",
1885 [SOCKET_EXEC_START_POST] = "StartPost",
1886 [SOCKET_EXEC_STOP_PRE] = "StopPre",
1887 [SOCKET_EXEC_STOP_POST] = "StopPost"
1888};
1889
1890DEFINE_STRING_TABLE_LOOKUP(socket_exec_command, SocketExecCommand);
1891
87f0e418 1892const UnitVTable socket_vtable = {
5cb5a6ff
LP		 1893 .suffix = ".socket",
1894
034c6ed7
LP		 1895 .init = socket_init,
1896 .done = socket_done,
a16e1123
LP		 1897 .load = socket_load,
1898
8a0867d6
LP		 1899 .kill = socket_kill,
1900
a16e1123 1901 .coldplug = socket_coldplug,
034c6ed7 1902
5cb5a6ff
LP		 1903 .dump = socket_dump,
1904
542563ba
LP		 1905 .start = socket_start,
1906 .stop = socket_stop,
5cb5a6ff 1907
a16e1123
LP		 1908 .serialize = socket_serialize,
1909 .deserialize_item = socket_deserialize_item,
1910
5cb5a6ff 1911 .active_state = socket_active_state,
10a94420 1912 .sub_state_to_string = socket_sub_state_to_string,
5cb5a6ff 1913
6cf6bbc2
LP		 1914 .check_gc = socket_check_gc,
1915
9152c765 1916 .fd_event = socket_fd_event,
034c6ed7 1917 .sigchld_event = socket_sigchld_event,
4139c1b2
LP		 1918 .timer_event = socket_timer_event,
1919
fdf20a31 1920 .reset_failed = socket_reset_failed,
5632e374 1921
c4e2ceae
LP		 1922 .bus_interface = "org.freedesktop.systemd1.Socket",
1923 .bus_message_handler = bus_socket_message_handler,
1924 .bus_invalidating_properties = bus_socket_invalidating_properties
5cb5a6ff 1925};
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