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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"
83c60c9f 45
acbb0225 46static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = {
87f0e418
LP		 47 [SOCKET_DEAD] = UNIT_INACTIVE,
48 [SOCKET_START_PRE] = UNIT_ACTIVATING,
49 [SOCKET_START_POST] = UNIT_ACTIVATING,
50 [SOCKET_LISTENING] = UNIT_ACTIVE,
51 [SOCKET_RUNNING] = UNIT_ACTIVE,
52 [SOCKET_STOP_PRE] = UNIT_DEACTIVATING,
53 [SOCKET_STOP_PRE_SIGTERM] = UNIT_DEACTIVATING,
54 [SOCKET_STOP_PRE_SIGKILL] = UNIT_DEACTIVATING,
55 [SOCKET_STOP_POST] = UNIT_DEACTIVATING,
80876c20
LP		 56 [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING,
57 [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING,
fdf20a31 58 [SOCKET_FAILED] = UNIT_FAILED
83c60c9f 59};
5cb5a6ff 60
a16e1123
LP		 61static void socket_init(Unit *u) {
62 Socket *s = SOCKET(u);
63
64 assert(u);
65 assert(u->meta.load_state == UNIT_STUB);
66
a16e1123
LP		 67 s->backlog = SOMAXCONN;
68 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
69 s->directory_mode = 0755;
70 s->socket_mode = 0666;
71
6cf6bbc2
LP		 72 s->max_connections = 64;
73
4fd5948e 74 s->priority = -1;
4fd5948e
LP		 75 s->ip_tos = -1;
76 s->ip_ttl = -1;
4fd5948e 77 s->mark = -1;
4fd5948e 78
a16e1123 79 exec_context_init(&s->exec_context);
0a494f1f
LP		 80 s->exec_context.std_output = u->meta.manager->default_std_output;
81 s->exec_context.std_error = u->meta.manager->default_std_error;
a16e1123
LP		 82
83 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
84}
acbb0225 85
5e94833f
LP		 86static void socket_unwatch_control_pid(Socket *s) {
87 assert(s);
88
89 if (s->control_pid <= 0)
90 return;
91
92 unit_unwatch_pid(UNIT(s), s->control_pid);
93 s->control_pid = 0;
94}
95
87f0e418
LP		 96static void socket_done(Unit *u) {
97 Socket *s = SOCKET(u);
034c6ed7 98 SocketPort *p;
6cf6bbc2 99 Meta *i;
034c6ed7
LP		 100
101 assert(s);
102
103 while ((p = s->ports)) {
104 LIST_REMOVE(SocketPort, port, s->ports, p);
105
a16e1123
LP		 106 if (p->fd >= 0) {
107 unit_unwatch_fd(UNIT(s), &p->fd_watch);
108 close_nointr_nofail(p->fd);
109 }
110
034c6ed7
LP		 111 free(p->path);
112 free(p);
113 }
114
115 exec_context_done(&s->exec_context);
e537352b 116 exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX);
034c6ed7
LP		 117 s->control_command = NULL;
118
5e94833f 119 socket_unwatch_control_pid(s);
034c6ed7
LP		 120
121 s->service = NULL;
122
cebf8b20
TT		 123 free(s->tcp_congestion);
124 s->tcp_congestion = NULL;
125
acbb0225 126 free(s->bind_to_device);
e537352b 127 s->bind_to_device = NULL;
acbb0225
LP		 128
129 unit_unwatch_timer(u, &s->timer_watch);
6cf6bbc2
LP		 130
131 /* Make sure no service instance refers to us anymore. */
132 LIST_FOREACH(units_per_type, i, u->meta.manager->units_per_type[UNIT_SERVICE]) {
133 Service *service = (Service *) i;
134
f976f3f6
LP		 135 if (service->accept_socket == s)
136 service->accept_socket = NULL;
137
138 set_remove(service->configured_sockets, s);
6cf6bbc2 139 }
5cb5a6ff
LP		 140}
141
b15bdda8
LP		 142static int socket_instantiate_service(Socket *s) {
143 char *prefix, *name;
144 int r;
145 Unit *u;
146
147 assert(s);
148
149 /* This fills in s->service if it isn't filled in yet. For
150 * Accept=yes sockets we create the next connection service
151 * here. For Accept=no this is mostly a NOP since the service
152 * is figured out at load time anyway. */
153
154 if (s->service)
155 return 0;
156
157 assert(s->accept);
158
159 if (!(prefix = unit_name_to_prefix(s->meta.id)))
160 return -ENOMEM;
161
162 r = asprintf(&name, "%s@%u.service", prefix, s->n_accepted);
163 free(prefix);
164
165 if (r < 0)
166 return -ENOMEM;
167
168 r = manager_load_unit(s->meta.manager, name, NULL, NULL, &u);
169 free(name);
170
171 if (r < 0)
172 return r;
173
7b4bf06b
LP		 174#ifdef HAVE_SYSV_COMPAT
175 if (SERVICE(u)->sysv_path) {
176 log_error("Using SysV services for socket activation is not supported. Refusing.");
177 return -ENOENT;
178 }
179#endif
180
6c073082 181 u->meta.no_gc = true;
b15bdda8
LP		 182 s->service = SERVICE(u);
183 return 0;
184}
185
4f2d528d
LP		 186static bool have_non_accept_socket(Socket *s) {
187 SocketPort *p;
188
189 assert(s);
190
191 if (!s->accept)
192 return true;
193
dd5ad9d4
LP		 194 LIST_FOREACH(port, p, s->ports) {
195
196 if (p->type != SOCKET_SOCKET)
197 return true;
198
4f2d528d
LP		 199 if (!socket_address_can_accept(&p->address))
200 return true;
dd5ad9d4 201 }
4f2d528d
LP		 202
203 return false;
204}
205
206static int socket_verify(Socket *s) {
207 assert(s);
208
4cd1fbcc 209 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 210 return 0;
211
212 if (!s->ports) {
4cd1fbcc 213 log_error("%s lacks Listen setting. Refusing.", s->meta.id);
4f2d528d
LP		 214 return -EINVAL;
215 }
216
0009d2a6
LP		 217 if (s->accept && have_non_accept_socket(s)) {
218 log_error("%s configured for accepting sockets, but sockets are non-accepting. Refusing.", s->meta.id);
219 return -EINVAL;
220 }
221
6cf6bbc2 222 if (s->accept && s->max_connections <= 0) {
4d0e5dbd
LP		 223 log_error("%s's MaxConnection setting too small. Refusing.", s->meta.id);
224 return -EINVAL;
225 }
226
d9ff321a
LP		 227 if (s->accept && s->service) {
228 log_error("Explicit service configuration for accepting sockets not supported on %s. Refusing.", s->meta.id);
229 return -EINVAL;
230 }
231
2e22afe9 232 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd 233 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
6cf6bbc2
LP		 234 return -EINVAL;
235 }
236
4f2d528d
LP		 237 return 0;
238}
239
6e2ef85b
LP		 240static bool socket_needs_mount(Socket *s, const char *prefix) {
241 SocketPort *p;
242
243 assert(s);
244
245 LIST_FOREACH(port, p, s->ports) {
246
247 if (p->type == SOCKET_SOCKET) {
248 if (socket_address_needs_mount(&p->address, prefix))
249 return true;
250 } else {
251 assert(p->type == SOCKET_FIFO);
252 if (path_startswith(p->path, prefix))
253 return true;
254 }
255 }
256
257 return false;
258}
259
260int socket_add_one_mount_link(Socket *s, Mount *m) {
261 int r;
262
263 assert(s);
264 assert(m);
265
266 if (s->meta.load_state != UNIT_LOADED ||
267 m->meta.load_state != UNIT_LOADED)
268 return 0;
269
270 if (!socket_needs_mount(s, m->where))
271 return 0;
272
2c966c03 273 if ((r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true)) < 0)
6e2ef85b
LP		 274 return r;
275
276 return 0;
277}
278
279static int socket_add_mount_links(Socket *s) {
280 Meta *other;
281 int r;
282
283 assert(s);
284
285 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_MOUNT])
286 if ((r = socket_add_one_mount_link(s, (Mount*) other)) < 0)
287 return r;
288
289 return 0;
290}
291
292static int socket_add_device_link(Socket *s) {
293 char *t;
294 int r;
295
296 assert(s);
297
298 if (!s->bind_to_device)
299 return 0;
300
301 if (asprintf(&t, "/sys/subsystem/net/devices/%s", s->bind_to_device) < 0)
302 return -ENOMEM;
303
304 r = unit_add_node_link(UNIT(s), t, false);
305 free(t);
306
307 return r;
308}
309
a40eb732
LP		 310static int socket_add_default_dependencies(Socket *s) {
311 int r;
312 assert(s);
313
2a77d31d
LP		 314 if (s->meta.manager->running_as == MANAGER_SYSTEM) {
315 if ((r = unit_add_dependency_by_name(UNIT(s), UNIT_BEFORE, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
316 return r;
317
a40eb732
LP		 318 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0)
319 return r;
2a77d31d 320 }
a40eb732 321
ead8e478 322 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 323}
324
e537352b
LP		 325static int socket_load(Unit *u) {
326 Socket *s = SOCKET(u);
327 int r;
44d8db9e 328
e537352b
LP		 329 assert(u);
330 assert(u->meta.load_state == UNIT_STUB);
44d8db9e 331
e537352b 332 if ((r = unit_load_fragment_and_dropin(u)) < 0)
23a177ef 333 return r;
44d8db9e 334
23a177ef 335 /* This is a new unit? Then let's add in some extras */
e537352b 336 if (u->meta.load_state == UNIT_LOADED) {
44d8db9e 337
4f2d528d 338 if (have_non_accept_socket(s)) {
d9ff321a
LP		 339
340 if (!s->service)
341 if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service)) < 0)
342 return r;
23a177ef 343
701cc384 344 if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service), true)) < 0)
4f2d528d
LP		 345 return r;
346 }
44d8db9e 347
6e2ef85b
LP		 348 if ((r = socket_add_mount_links(s)) < 0)
349 return r;
350
351 if ((r = socket_add_device_link(s)) < 0)
352 return r;
353
23a177ef
LP		 354 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
355 return r;
356
d686d8a9 357 if ((r = unit_add_default_cgroups(u)) < 0)
23a177ef 358 return r;
a40eb732
LP		 359
360 if (s->meta.default_dependencies)
361 if ((r = socket_add_default_dependencies(s)) < 0)
362 return r;
23a177ef
LP		 363 }
364
4f2d528d 365 return socket_verify(s);
44d8db9e
LP		 366}
367
542563ba
LP		 368static const char* listen_lookup(int type) {
369
370 if (type == SOCK_STREAM)
371 return "ListenStream";
372 else if (type == SOCK_DGRAM)
373 return "ListenDatagram";
374 else if (type == SOCK_SEQPACKET)
375 return "ListenSequentialPacket";
376
034c6ed7 377 assert_not_reached("Unknown socket type");
542563ba
LP		 378 return NULL;
379}
380
87f0e418 381static void socket_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 382
5cb5a6ff 383 SocketExecCommand c;
87f0e418 384 Socket *s = SOCKET(u);
542563ba 385 SocketPort *p;
82ba9f08
LP		 386 const char *prefix2;
387 char *p2;
5cb5a6ff
LP		 388
389 assert(s);
fa068367 390 assert(f);
5cb5a6ff 391
82ba9f08
LP		 392 p2 = strappend(prefix, "\t");
393 prefix2 = p2 ? p2 : prefix;
c43d20a0 394
5cb5a6ff
LP		 395 fprintf(f,
396 "%sSocket State: %s\n"
542563ba 397 "%sBindIPv6Only: %s\n"
b5a0699f
LP		 398 "%sBacklog: %u\n"
399 "%sSocketMode: %04o\n"
4fd5948e
LP		 400 "%sDirectoryMode: %04o\n"
401 "%sKeepAlive: %s\n"
cebf8b20
TT		 402 "%sFreeBind: %s\n"
403 "%sTCPCongestion: %s\n",
a16e1123 404 prefix, socket_state_to_string(s->state),
c0120d99 405 prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
b5a0699f
LP		 406 prefix, s->backlog,
407 prefix, s->socket_mode,
4fd5948e
LP		 408 prefix, s->directory_mode,
409 prefix, yes_no(s->keep_alive),
cebf8b20 410 prefix, yes_no(s->free_bind),
83a95334 411 prefix, strna(s->tcp_congestion));
542563ba 412
70123e68
LP		 413 if (s->control_pid > 0)
414 fprintf(f,
bb00e604
LP		 415 "%sControl PID: %lu\n",
416 prefix, (unsigned long) s->control_pid);
70123e68 417
acbb0225
LP		 418 if (s->bind_to_device)
419 fprintf(f,
420 "%sBindToDevice: %s\n",
421 prefix, s->bind_to_device);
422
4f2d528d
LP		 423 if (s->accept)
424 fprintf(f,
6cf6bbc2
LP		 425 "%sAccepted: %u\n"
426 "%sNConnections: %u\n"
427 "%sMaxConnections: %u\n",
428 prefix, s->n_accepted,
429 prefix, s->n_connections,
430 prefix, s->max_connections);
4f2d528d 431
4fd5948e
LP		 432 if (s->priority >= 0)
433 fprintf(f,
434 "%sPriority: %i\n",
435 prefix, s->priority);
436
437 if (s->receive_buffer > 0)
438 fprintf(f,
439 "%sReceiveBuffer: %zu\n",
440 prefix, s->receive_buffer);
441
442 if (s->send_buffer > 0)
443 fprintf(f,
444 "%sSendBuffer: %zu\n",
445 prefix, s->send_buffer);
446
447 if (s->ip_tos >= 0)
448 fprintf(f,
449 "%sIPTOS: %i\n",
450 prefix, s->ip_tos);
451
452 if (s->ip_ttl >= 0)
453 fprintf(f,
454 "%sIPTTL: %i\n",
455 prefix, s->ip_ttl);
456
457 if (s->pipe_size > 0)
458 fprintf(f,
459 "%sPipeSize: %zu\n",
460 prefix, s->pipe_size);
461
462 if (s->mark >= 0)
463 fprintf(f,
464 "%sMark: %i\n",
465 prefix, s->mark);
466
034c6ed7 467 LIST_FOREACH(port, p, s->ports) {
5cb5a6ff 468
542563ba
LP		 469 if (p->type == SOCKET_SOCKET) {
470 const char *t;
471 int r;
e364ad06 472 char *k = NULL;
542563ba
LP		 473
474 if ((r = socket_address_print(&p->address, &k)) < 0)
475 t = strerror(-r);
476 else
477 t = k;
478
e364ad06 479 fprintf(f, "%s%s: %s\n", prefix, listen_lookup(p->address.type), t);
542563ba
LP		 480 free(k);
481 } else
482 fprintf(f, "%sListenFIFO: %s\n", prefix, p->path);
483 }
5cb5a6ff
LP		 484
485 exec_context_dump(&s->exec_context, f, prefix);
486
e537352b 487 for (c = 0; c < _SOCKET_EXEC_COMMAND_MAX; c++) {
c43d20a0
LP		 488 if (!s->exec_command[c])
489 continue;
5cb5a6ff 490
40d50879 491 fprintf(f, "%s-> %s:\n",
a16e1123 492 prefix, socket_exec_command_to_string(c));
c43d20a0
LP		 493
494 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 495 }
c43d20a0 496
82ba9f08 497 free(p2);
5cb5a6ff
LP		 498}
499
4f2d528d
LP		 500static int instance_from_socket(int fd, unsigned nr, char **instance) {
501 socklen_t l;
502 char *r;
503 union {
504 struct sockaddr sa;
505 struct sockaddr_un un;
506 struct sockaddr_in in;
507 struct sockaddr_in6 in6;
508 struct sockaddr_storage storage;
509 } local, remote;
510
511 assert(fd >= 0);
512 assert(instance);
513
514 l = sizeof(local);
515 if (getsockname(fd, &local.sa, &l) < 0)
516 return -errno;
517
518 l = sizeof(remote);
519 if (getpeername(fd, &remote.sa, &l) < 0)
520 return -errno;
521
522 switch (local.sa.sa_family) {
523
524 case AF_INET: {
525 uint32_t
526 a = ntohl(local.in.sin_addr.s_addr),
527 b = ntohl(remote.in.sin_addr.s_addr);
528
529 if (asprintf(&r,
b15bdda8 530 "%u.%u.%u.%u:%u-%u.%u.%u.%u:%u",
4f2d528d
LP		 531 a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
532 ntohs(local.in.sin_port),
533 b >> 24, (b >> 16) & 0xFF, (b >> 8) & 0xFF, b & 0xFF,
534 ntohs(remote.in.sin_port)) < 0)
535 return -ENOMEM;
536
537 break;
538 }
539
540 case AF_INET6: {
2b061f5a
LP		 541 static const char ipv4_prefix[] = {
542 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF
543 };
544
545 if (memcmp(&local.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0 &&
546 memcmp(&remote.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) {
547 const uint8_t
548 *a = local.in6.sin6_addr.s6_addr+12,
549 *b = remote.in6.sin6_addr.s6_addr+12;
550
551 if (asprintf(&r,
b15bdda8 552 "%u.%u.%u.%u:%u-%u.%u.%u.%u:%u",
2b061f5a
LP		 553 a[0], a[1], a[2], a[3],
554 ntohs(local.in6.sin6_port),
555 b[0], b[1], b[2], b[3],
556 ntohs(remote.in6.sin6_port)) < 0)
557 return -ENOMEM;
558 } else {
559 char a[INET6_ADDRSTRLEN], b[INET6_ADDRSTRLEN];
560
561 if (asprintf(&r,
b15bdda8 562 "%s:%u-%s:%u",
2b061f5a
LP		 563 inet_ntop(AF_INET6, &local.in6.sin6_addr, a, sizeof(a)),
564 ntohs(local.in6.sin6_port),
565 inet_ntop(AF_INET6, &remote.in6.sin6_addr, b, sizeof(b)),
566 ntohs(remote.in6.sin6_port)) < 0)
567 return -ENOMEM;
568 }
4f2d528d
LP		 569
570 break;
571 }
572
573 case AF_UNIX: {
574 struct ucred ucred;
575
576 l = sizeof(ucred);
577 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0)
578 return -errno;
579
580 if (asprintf(&r,
bb00e604 581 "%u-%lu-%lu",
4f2d528d 582 nr,
bb00e604
LP		 583 (unsigned long) ucred.pid,
584 (unsigned long) ucred.uid) < 0)
4f2d528d
LP		 585 return -ENOMEM;
586
587 break;
588 }
589
590 default:
591 assert_not_reached("Unhandled socket type.");
592 }
593
594 *instance = r;
595 return 0;
596}
597
034c6ed7 598static void socket_close_fds(Socket *s) {
83c60c9f
LP		 599 SocketPort *p;
600
601 assert(s);
602
034c6ed7 603 LIST_FOREACH(port, p, s->ports) {
83c60c9f
LP		 604 if (p->fd < 0)
605 continue;
606
acbb0225 607 unit_unwatch_fd(UNIT(s), &p->fd_watch);
a16e1123
LP		 608 close_nointr_nofail(p->fd);
609
610 /* One little note: we should never delete any sockets
611 * in the file system here! After all some other
612 * process we spawned might still have a reference of
613 * this fd and wants to continue to use it. Therefore
614 * we delete sockets in the file system before we
615 * create a new one, not after we stopped using
616 * one! */
9152c765 617
83c60c9f
LP		 618 p->fd = -1;
619 }
620}
621
4fd5948e
LP		 622static void socket_apply_socket_options(Socket *s, int fd) {
623 assert(s);
624 assert(fd >= 0);
625
626 if (s->keep_alive) {
627 int b = s->keep_alive;
628 if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &b, sizeof(b)) < 0)
629 log_warning("SO_KEEPALIVE failed: %m");
630 }
631
632 if (s->priority >= 0)
633 if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0)
634 log_warning("SO_PRIORITY failed: %m");
635
636 if (s->receive_buffer > 0) {
637 int value = (int) s->receive_buffer;
638 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0)
639 log_warning("SO_RCVBUF failed: %m");
640 }
641
642 if (s->send_buffer > 0) {
643 int value = (int) s->send_buffer;
644 if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0)
645 log_warning("SO_SNDBUF failed: %m");
646 }
647
648 if (s->mark >= 0)
649 if (setsockopt(fd, SOL_SOCKET, SO_MARK, &s->mark, sizeof(s->mark)) < 0)
650 log_warning("SO_MARK failed: %m");
651
652 if (s->ip_tos >= 0)
653 if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0)
654 log_warning("IP_TOS failed: %m");
655
46925ac5
LP		 656 if (s->ip_ttl >= 0) {
657 int r, x;
658
659 r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl));
5bfcc1c6
FF		 660
661 if (socket_ipv6_is_supported())
662 x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl));
663 else {
664 x = -1;
665 errno = EAFNOSUPPORT;
666 }
46925ac5
LP		 667
668 if (r < 0 && x < 0)
669 log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m");
670 }
cebf8b20
TT		 671
672 if (s->tcp_congestion)
673 if (setsockopt(fd, SOL_TCP, TCP_CONGESTION, s->tcp_congestion, strlen(s->tcp_congestion)+1) < 0)
674 log_warning("TCP_CONGESTION failed: %m");
4fd5948e
LP		 675}
676
b15bdda8 677static void socket_apply_fifo_options(Socket *s, int fd) {
4fd5948e
LP		 678 assert(s);
679 assert(fd >= 0);
680
681 if (s->pipe_size > 0)
682 if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0)
683 log_warning("F_SETPIPE_SZ: %m");
684}
685
7a58bfa4 686
b15bdda8
LP		 687static int fifo_address_create(
688 const char *path,
689 mode_t directory_mode,
690 mode_t socket_mode,
b15bdda8
LP		 691 int *_fd) {
692
7a58bfa4 693 int fd = -1, r = 0;
b15bdda8
LP		 694 struct stat st;
695 mode_t old_mask;
696
697 assert(path);
698 assert(_fd);
699
700 mkdir_parents(path, directory_mode);
701
c4e2ceae 702 if ((r = label_fifofile_set(path)) < 0)
56cf987f 703 goto fail;
b15bdda8
LP		 704
705 /* Enforce the right access mode for the fifo */
706 old_mask = umask(~ socket_mode);
707
708 /* Include the original umask in our mask */
709 umask(~socket_mode | old_mask);
710
711 r = mkfifo(path, socket_mode);
712 umask(old_mask);
713
714 if (r < 0) {
715 r = -errno;
716 goto fail;
717 }
718
719 if ((fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
720 r = -errno;
721 goto fail;
722 }
723
56cf987f 724 label_file_clear();
7a58bfa4 725
b15bdda8
LP		 726 if (fstat(fd, &st) < 0) {
727 r = -errno;
728 goto fail;
729 }
730
731 if (!S_ISFIFO(st.st_mode) ||
de0200fc 732 (st.st_mode & 0777) != (socket_mode & ~old_mask) ||
b15bdda8
LP		 733 st.st_uid != getuid() ||
734 st.st_gid != getgid()) {
735
736 r = -EEXIST;
737 goto fail;
738 }
739
740 *_fd = fd;
741 return 0;
742
743fail:
56cf987f
DW		 744 label_file_clear();
745
b15bdda8
LP		 746 if (fd >= 0)
747 close_nointr_nofail(fd);
748
749 return r;
750}
751
034c6ed7 752static int socket_open_fds(Socket *s) {
83c60c9f
LP		 753 SocketPort *p;
754 int r;
56cf987f 755 char *label = NULL;
049f8642 756 bool know_label = false;
83c60c9f
LP		 757
758 assert(s);
759
034c6ed7 760 LIST_FOREACH(port, p, s->ports) {
83c60c9f 761
034c6ed7
LP		 762 if (p->fd >= 0)
763 continue;
83c60c9f
LP		 764
765 if (p->type == SOCKET_SOCKET) {
766
049f8642
LP		 767 if (!know_label) {
768
769 if ((r = socket_instantiate_service(s)) < 0)
770 return r;
771
cae18e21
LP		 772 if (s->service && s->service->exec_command[SERVICE_EXEC_START])
773 if ((r = label_get_socket_label_from_exe(s->service->exec_command[SERVICE_EXEC_START]->path, &label)) < 0)
774 return r;
049f8642
LP		 775
776 know_label = true;
777 }
778
b5a0699f
LP		 779 if ((r = socket_address_listen(
780 &p->address,
781 s->backlog,
782 s->bind_ipv6_only,
783 s->bind_to_device,
4fd5948e 784 s->free_bind,
b5a0699f
LP		 785 s->directory_mode,
786 s->socket_mode,
56cf987f 787 label,
b5a0699f 788 &p->fd)) < 0)
83c60c9f
LP		 789 goto rollback;
790
4fd5948e
LP		 791 socket_apply_socket_options(s, p->fd);
792
b15bdda8 793 } else if (p->type == SOCKET_FIFO) {
83c60c9f 794
b15bdda8
LP		 795 if ((r = fifo_address_create(
796 p->path,
797 s->directory_mode,
798 s->socket_mode,
b15bdda8 799 &p->fd)) < 0)
83c60c9f 800 goto rollback;
83c60c9f 801
b15bdda8 802 socket_apply_fifo_options(s, p->fd);
83c60c9f 803
b15bdda8
LP		 804 } else
805 assert_not_reached("Unknown port type");
034c6ed7
LP		 806 }
807
56cf987f 808 label_free(label);
034c6ed7
LP		 809 return 0;
810
811rollback:
812 socket_close_fds(s);
56cf987f 813 label_free(label);
034c6ed7
LP		 814 return r;
815}
816
817static void socket_unwatch_fds(Socket *s) {
818 SocketPort *p;
9152c765 819
034c6ed7
LP		 820 assert(s);
821
822 LIST_FOREACH(port, p, s->ports) {
823 if (p->fd < 0)
824 continue;
825
acbb0225 826 unit_unwatch_fd(UNIT(s), &p->fd_watch);
83c60c9f 827 }
034c6ed7
LP		 828}
829
830static int socket_watch_fds(Socket *s) {
831 SocketPort *p;
832 int r;
833
834 assert(s);
83c60c9f 835
034c6ed7
LP		 836 LIST_FOREACH(port, p, s->ports) {
837 if (p->fd < 0)
838 continue;
839
cabab516 840 p->fd_watch.socket_accept =
4f2d528d 841 s->accept &&
dd5ad9d4 842 p->type == SOCKET_SOCKET &&
4f2d528d
LP		 843 socket_address_can_accept(&p->address);
844
f94ea366 845 if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0)
034c6ed7
LP		 846 goto fail;
847 }
83c60c9f 848
542563ba 849 return 0;
83c60c9f 850
034c6ed7
LP		 851fail:
852 socket_unwatch_fds(s);
853 return r;
854}
855
856static void socket_set_state(Socket *s, SocketState state) {
857 SocketState old_state;
858 assert(s);
859
860 old_state = s->state;
861 s->state = state;
862
863 if (state != SOCKET_START_PRE &&
864 state != SOCKET_START_POST &&
865 state != SOCKET_STOP_PRE &&
866 state != SOCKET_STOP_PRE_SIGTERM &&
867 state != SOCKET_STOP_PRE_SIGKILL &&
868 state != SOCKET_STOP_POST &&
80876c20
LP		 869 state != SOCKET_FINAL_SIGTERM &&
870 state != SOCKET_FINAL_SIGKILL) {
acbb0225 871 unit_unwatch_timer(UNIT(s), &s->timer_watch);
5e94833f 872 socket_unwatch_control_pid(s);
034c6ed7 873 s->control_command = NULL;
a16e1123 874 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
e537352b 875 }
034c6ed7 876
a16e1123
LP		 877 if (state != SOCKET_LISTENING)
878 socket_unwatch_fds(s);
879
034c6ed7
LP		 880 if (state != SOCKET_START_POST &&
881 state != SOCKET_LISTENING &&
882 state != SOCKET_RUNNING &&
883 state != SOCKET_STOP_PRE &&
884 state != SOCKET_STOP_PRE_SIGTERM &&
885 state != SOCKET_STOP_PRE_SIGKILL)
886 socket_close_fds(s);
887
e537352b 888 if (state != old_state)
40d50879 889 log_debug("%s changed %s -> %s",
a16e1123
LP		 890 s->meta.id,
891 socket_state_to_string(old_state),
892 socket_state_to_string(state));
acbb0225 893
e2f3b44c 894 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true);
034c6ed7
LP		 895}
896
a16e1123
LP		 897static int socket_coldplug(Unit *u) {
898 Socket *s = SOCKET(u);
899 int r;
900
901 assert(s);
902 assert(s->state == SOCKET_DEAD);
903
904 if (s->deserialized_state != s->state) {
905
906 if (s->deserialized_state == SOCKET_START_PRE ||
907 s->deserialized_state == SOCKET_START_POST ||
908 s->deserialized_state == SOCKET_STOP_PRE ||
909 s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
910 s->deserialized_state == SOCKET_STOP_PRE_SIGKILL ||
911 s->deserialized_state == SOCKET_STOP_POST ||
912 s->deserialized_state == SOCKET_FINAL_SIGTERM ||
913 s->deserialized_state == SOCKET_FINAL_SIGKILL) {
914
915 if (s->control_pid <= 0)
916 return -EBADMSG;
917
918 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
919 return r;
920
921 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
922 return r;
923 }
924
925 if (s->deserialized_state == SOCKET_START_POST ||
926 s->deserialized_state == SOCKET_LISTENING ||
927 s->deserialized_state == SOCKET_RUNNING ||
928 s->deserialized_state == SOCKET_STOP_PRE ||
929 s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
930 s->deserialized_state == SOCKET_STOP_PRE_SIGKILL)
931 if ((r = socket_open_fds(s)) < 0)
932 return r;
933
934 if (s->deserialized_state == SOCKET_LISTENING)
935 if ((r = socket_watch_fds(s)) < 0)
936 return r;
937
938 socket_set_state(s, s->deserialized_state);
939 }
940
941 return 0;
942}
943
e537352b 944static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
034c6ed7
LP		 945 pid_t pid;
946 int r;
9e2f7c11 947 char **argv;
034c6ed7
LP		 948
949 assert(s);
950 assert(c);
951 assert(_pid);
952
e537352b
LP		 953 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
954 goto fail;
034c6ed7 955
9e2f7c11
LP		 956 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
957 r = -ENOMEM;
958 goto fail;
959 }
960
961 r = exec_spawn(c,
962 argv,
963 &s->exec_context,
964 NULL, 0,
1137a57c 965 s->meta.manager->environment,
9e2f7c11
LP		 966 true,
967 true,
1e3ad081 968 true,
4cd1fbcc
LP		 969 s->meta.manager->confirm_spawn,
970 s->meta.cgroup_bondings,
9e2f7c11
LP		 971 &pid);
972
973 strv_free(argv);
974 if (r < 0)
034c6ed7
LP		 975 goto fail;
976
87f0e418 977 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 978 /* FIXME: we need to do something here */
979 goto fail;
83c60c9f 980
034c6ed7
LP		 981 *_pid = pid;
982
983 return 0;
984
985fail:
e537352b 986 unit_unwatch_timer(UNIT(s), &s->timer_watch);
83c60c9f
LP		 987
988 return r;
542563ba
LP		 989}
990
034c6ed7
LP		 991static void socket_enter_dead(Socket *s, bool success) {
992 assert(s);
993
994 if (!success)
995 s->failure = true;
996
fdf20a31 997 socket_set_state(s, s->failure ? SOCKET_FAILED : SOCKET_DEAD);
034c6ed7
LP		 998}
999
80876c20
LP		 1000static void socket_enter_signal(Socket *s, SocketState state, bool success);
1001
034c6ed7
LP		 1002static void socket_enter_stop_post(Socket *s, bool success) {
1003 int r;
1004 assert(s);
1005
1006 if (!success)
1007 s->failure = true;
1008
5e94833f
LP		 1009 socket_unwatch_control_pid(s);
1010
a16e1123
LP		 1011 s->control_command_id = SOCKET_EXEC_STOP_POST;
1012
80876c20 1013 if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) {
e537352b 1014 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1015 goto fail;
1016
80876c20
LP		 1017 socket_set_state(s, SOCKET_STOP_POST);
1018 } else
1019 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true);
034c6ed7
LP		 1020
1021 return;
1022
1023fail:
6cf6bbc2 1024 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
80876c20 1025 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1026}
1027
1028static void socket_enter_signal(Socket *s, SocketState state, bool success) {
1029 int r;
ca949c9d
LP		 1030 Set *pid_set = NULL;
1031 bool wait_for_exit = false;
034c6ed7
LP		 1032
1033 assert(s);
1034
1035 if (!success)
1036 s->failure = true;
1037
2e22afe9
LP		 1038 if (s->exec_context.kill_mode != KILL_NONE) {
1039 int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1040
ca949c9d
LP		 1041 if (s->control_pid > 0) {
1042 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1043 -s->control_pid :
1044 s->control_pid, sig) < 0 && errno != ESRCH)
50159e6a 1045
ca949c9d
LP		 1046 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1047 else
1048 wait_for_exit = true;
034c6ed7 1049 }
50159e6a 1050
ca949c9d
LP		 1051 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
1052
1053 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1054 r = -ENOMEM;
50159e6a
LP		 1055 goto fail;
1056 }
ca949c9d
LP		 1057
1058 /* Exclude the control pid from being killed via the cgroup */
1059 if (s->control_pid > 0)
1060 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1061 goto fail;
1062
1063 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
1064 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1065 log_warning("Failed to kill control group: %s", strerror(-r));
1066 } else if (r > 0)
1067 wait_for_exit = true;
1068
1069 set_free(pid_set);
1070 }
d6ea93e3 1071 }
034c6ed7 1072
ca949c9d 1073 if (wait_for_exit) {
80876c20
LP		 1074 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1075 goto fail;
d6ea93e3 1076
80876c20
LP		 1077 socket_set_state(s, state);
1078 } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
1079 socket_enter_stop_post(s, true);
1080 else
034c6ed7
LP		 1081 socket_enter_dead(s, true);
1082
1083 return;
1084
1085fail:
9e2f7c11 1086 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1087
1088 if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
1089 socket_enter_stop_post(s, false);
1090 else
1091 socket_enter_dead(s, false);
ca949c9d
LP		 1092
1093 if (pid_set)
1094 set_free(pid_set);
034c6ed7
LP		 1095}
1096
1097static void socket_enter_stop_pre(Socket *s, bool success) {
1098 int r;
1099 assert(s);
1100
1101 if (!success)
1102 s->failure = true;
1103
5e94833f
LP		 1104 socket_unwatch_control_pid(s);
1105
a16e1123
LP		 1106 s->control_command_id = SOCKET_EXEC_STOP_PRE;
1107
80876c20 1108 if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) {
e537352b 1109 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1110 goto fail;
1111
80876c20
LP		 1112 socket_set_state(s, SOCKET_STOP_PRE);
1113 } else
034c6ed7
LP		 1114 socket_enter_stop_post(s, true);
1115
1116 return;
1117
1118fail:
6cf6bbc2 1119 log_warning("%s failed to run 'stop-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1120 socket_enter_stop_post(s, false);
1121}
1122
e9af15c3
LP		 1123static void socket_enter_listening(Socket *s) {
1124 int r;
1125 assert(s);
1126
1127 if ((r = socket_watch_fds(s)) < 0) {
9e2f7c11 1128 log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r));
e9af15c3
LP		 1129 goto fail;
1130 }
1131
1132 socket_set_state(s, SOCKET_LISTENING);
1133 return;
1134
1135fail:
1136 socket_enter_stop_pre(s, false);
1137}
1138
034c6ed7
LP		 1139static void socket_enter_start_post(Socket *s) {
1140 int r;
1141 assert(s);
1142
e9af15c3 1143 if ((r = socket_open_fds(s)) < 0) {
9e2f7c11 1144 log_warning("%s failed to listen on sockets: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1145 goto fail;
1146 }
1147
5e94833f
LP		 1148 socket_unwatch_control_pid(s);
1149
a16e1123
LP		 1150 s->control_command_id = SOCKET_EXEC_START_POST;
1151
80876c20 1152 if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) {
e537352b 1153 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) {
6cf6bbc2 1154 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1155 goto fail;
1156 }
1157
80876c20
LP		 1158 socket_set_state(s, SOCKET_START_POST);
1159 } else
e9af15c3 1160 socket_enter_listening(s);
034c6ed7
LP		 1161
1162 return;
1163
1164fail:
1165 socket_enter_stop_pre(s, false);
1166}
1167
1168static void socket_enter_start_pre(Socket *s) {
1169 int r;
1170 assert(s);
1171
5e94833f
LP		 1172 socket_unwatch_control_pid(s);
1173
a16e1123
LP		 1174 s->control_command_id = SOCKET_EXEC_START_PRE;
1175
80876c20 1176 if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) {
e537352b 1177 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1178 goto fail;
1179
80876c20
LP		 1180 socket_set_state(s, SOCKET_START_PRE);
1181 } else
034c6ed7
LP		 1182 socket_enter_start_post(s);
1183
1184 return;
1185
1186fail:
6cf6bbc2 1187 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1188 socket_enter_dead(s, false);
1189}
1190
4f2d528d 1191static void socket_enter_running(Socket *s, int cfd) {
034c6ed7 1192 int r;
398ef8ba 1193 DBusError error;
034c6ed7
LP		 1194
1195 assert(s);
398ef8ba 1196 dbus_error_init(&error);
034c6ed7 1197
ba3e67a7
LP		 1198 /* We don't take connections anymore if we are supposed to
1199 * shut down anyway */
18ffdfda 1200 if (unit_pending_inactive(UNIT(s))) {
5d909e3e
LP		 1201 log_debug("Suppressing connection request on %s since unit stop is scheduled.", s->meta.id);
1202
7c610628
LP		 1203 if (cfd >= 0)
1204 close_nointr_nofail(cfd);
1205 else {
1206 /* Flush all sockets by closing and reopening them */
1207 socket_close_fds(s);
1208
1209 if ((r = socket_watch_fds(s)) < 0) {
1210 log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r));
1211 socket_enter_stop_pre(s, false);
1212 }
1213 }
1214
ba3e67a7
LP		 1215 return;
1216 }
1217
4f2d528d 1218 if (cfd < 0) {
f976f3f6
LP		 1219 bool pending = false;
1220 Meta *i;
1221
1222 /* If there's already a start pending don't bother to
1223 * do anything */
1224 LIST_FOREACH(units_per_type, i, s->meta.manager->units_per_type[UNIT_SERVICE]) {
1225 Service *service = (Service *) i;
1226
1227 if (!set_get(service->configured_sockets, s))
1228 continue;
1229
1230 if (!unit_pending_active(UNIT(service)))
1231 continue;
1232
1233 pending = true;
1234 break;
1235 }
1236
1237 if (!pending)
1238 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, &error, NULL)) < 0)
1239 goto fail;
4f2d528d
LP		 1240
1241 socket_set_state(s, SOCKET_RUNNING);
1242 } else {
b4f10a5e 1243 char *prefix, *instance = NULL, *name;
b15bdda8 1244 Service *service;
4f2d528d 1245
6cf6bbc2
LP		 1246 if (s->n_connections >= s->max_connections) {
1247 log_warning("Too many incoming connections (%u)", s->n_connections);
1248 close_nointr_nofail(cfd);
1249 return;
1250 }
1251
b15bdda8
LP		 1252 if ((r = socket_instantiate_service(s)) < 0)
1253 goto fail;
1254
1255 if ((r = instance_from_socket(cfd, s->n_accepted, &instance)) < 0)
4f2d528d
LP		 1256 goto fail;
1257
4cd1fbcc 1258 if (!(prefix = unit_name_to_prefix(s->meta.id))) {
4f2d528d
LP		 1259 free(instance);
1260 r = -ENOMEM;
1261 goto fail;
1262 }
1263
1264 name = unit_name_build(prefix, instance, ".service");
1265 free(prefix);
1266 free(instance);
1267
b6dbbe1c 1268 if (!name) {
4f2d528d 1269 r = -ENOMEM;
b6dbbe1c
LP		 1270 goto fail;
1271 }
4f2d528d 1272
b15bdda8
LP		 1273 if ((r = unit_add_name(UNIT(s->service), name)) < 0) {
1274 free(name);
4f2d528d 1275 goto fail;
b15bdda8
LP		 1276 }
1277
1278 service = s->service;
1279 s->service = NULL;
1280 s->n_accepted ++;
4f2d528d 1281
6c073082
LP		 1282 service->meta.no_gc = false;
1283
b15bdda8
LP		 1284 unit_choose_id(UNIT(service), name);
1285 free(name);
1286
1287 if ((r = service_set_socket_fd(service, cfd, s)) < 0)
4f2d528d
LP		 1288 goto fail;
1289
1290 cfd = -1;
6cf6bbc2
LP		 1291 s->n_connections ++;
1292
b15bdda8 1293 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(service), JOB_REPLACE, true, &error, NULL)) < 0)
4f2d528d 1294 goto fail;
c4e2ceae
LP		 1295
1296 /* Notify clients about changed counters */
1297 unit_add_to_dbus_queue(UNIT(s));
4f2d528d 1298 }
034c6ed7 1299
034c6ed7
LP		 1300 return;
1301
1302fail:
398ef8ba 1303 log_warning("%s failed to queue socket startup job: %s", s->meta.id, bus_error(&error, r));
80876c20 1304 socket_enter_stop_pre(s, false);
4f2d528d
LP		 1305
1306 if (cfd >= 0)
1307 close_nointr_nofail(cfd);
398ef8ba
LP		 1308
1309 dbus_error_free(&error);
034c6ed7
LP		 1310}
1311
1312static void socket_run_next(Socket *s, bool success) {
1313 int r;
1314
1315 assert(s);
1316 assert(s->control_command);
1317 assert(s->control_command->command_next);
1318
1319 if (!success)
1320 s->failure = true;
1321
5e94833f
LP		 1322 socket_unwatch_control_pid(s);
1323
034c6ed7
LP		 1324 s->control_command = s->control_command->command_next;
1325
e537352b 1326 if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
034c6ed7
LP		 1327 goto fail;
1328
1329 return;
1330
1331fail:
6cf6bbc2 1332 log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r));
80876c20
LP		 1333
1334 if (s->state == SOCKET_START_POST)
1335 socket_enter_stop_pre(s, false);
034c6ed7
LP		 1336 else if (s->state == SOCKET_STOP_POST)
1337 socket_enter_dead(s, false);
1338 else
80876c20 1339 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1340}
1341
87f0e418
LP		 1342static int socket_start(Unit *u) {
1343 Socket *s = SOCKET(u);
83c60c9f
LP		 1344
1345 assert(s);
1346
034c6ed7
LP		 1347 /* We cannot fulfill this request right now, try again later
1348 * please! */
1349 if (s->state == SOCKET_STOP_PRE ||
1350 s->state == SOCKET_STOP_PRE_SIGKILL ||
1351 s->state == SOCKET_STOP_PRE_SIGTERM ||
1352 s->state == SOCKET_STOP_POST ||
80876c20
LP		 1353 s->state == SOCKET_FINAL_SIGTERM ||
1354 s->state == SOCKET_FINAL_SIGKILL)
034c6ed7
LP		 1355 return -EAGAIN;
1356
83c60c9f
LP		 1357 if (s->state == SOCKET_START_PRE ||
1358 s->state == SOCKET_START_POST)
034c6ed7 1359 return 0;
83c60c9f 1360
034c6ed7 1361 /* Cannot run this without the service being around */
4f2d528d
LP		 1362 if (s->service) {
1363 if (s->service->meta.load_state != UNIT_LOADED)
1364 return -ENOENT;
1365
35b8ca3a 1366 /* If the service is already active we cannot start the
4f2d528d
LP		 1367 * socket */
1368 if (s->service->state != SERVICE_DEAD &&
fdf20a31 1369 s->service->state != SERVICE_FAILED &&
4f2d528d
LP		 1370 s->service->state != SERVICE_AUTO_RESTART)
1371 return -EBUSY;
7b4bf06b
LP		 1372
1373#ifdef HAVE_SYSV_COMPAT
1374 if (s->service->sysv_path) {
1375 log_error("Using SysV services for socket activation is not supported. Refusing.");
1376 return -ENOENT;
1377 }
1378#endif
4f2d528d 1379 }
e537352b 1380
fdf20a31 1381 assert(s->state == SOCKET_DEAD || s->state == SOCKET_FAILED);
83c60c9f 1382
034c6ed7
LP		 1383 s->failure = false;
1384 socket_enter_start_pre(s);
1385 return 0;
1386}
83c60c9f 1387
87f0e418
LP		 1388static int socket_stop(Unit *u) {
1389 Socket *s = SOCKET(u);
034c6ed7
LP		 1390
1391 assert(s);
1392
e537352b
LP		 1393 /* Already on it */
1394 if (s->state == SOCKET_STOP_PRE ||
1395 s->state == SOCKET_STOP_PRE_SIGTERM ||
1396 s->state == SOCKET_STOP_PRE_SIGKILL ||
1397 s->state == SOCKET_STOP_POST ||
80876c20 1398 s->state == SOCKET_FINAL_SIGTERM ||
3f6c78dc 1399 s->state == SOCKET_FINAL_SIGKILL)
e537352b
LP		 1400 return 0;
1401
3f6c78dc
LP		 1402 /* If there's already something running we go directly into
1403 * kill mode. */
1404 if (s->state == SOCKET_START_PRE ||
1405 s->state == SOCKET_START_POST) {
1406 socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, true);
1407 return -EAGAIN;
1408 }
1409
034c6ed7 1410 assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING);
83c60c9f 1411
034c6ed7 1412 socket_enter_stop_pre(s, true);
542563ba
LP		 1413 return 0;
1414}
1415
a16e1123
LP		 1416static int socket_serialize(Unit *u, FILE *f, FDSet *fds) {
1417 Socket *s = SOCKET(u);
1418 SocketPort *p;
1419 int r;
1420
1421 assert(u);
1422 assert(f);
1423 assert(fds);
1424
1425 unit_serialize_item(u, f, "state", socket_state_to_string(s->state));
1426 unit_serialize_item(u, f, "failure", yes_no(s->failure));
1427 unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted);
1428
1429 if (s->control_pid > 0)
5925dd3c 1430 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123
LP		 1431
1432 if (s->control_command_id >= 0)
1433 unit_serialize_item(u, f, "control-command", socket_exec_command_to_string(s->control_command_id));
1434
1435 LIST_FOREACH(port, p, s->ports) {
1436 int copy;
1437
1438 if (p->fd < 0)
1439 continue;
1440
1441 if ((copy = fdset_put_dup(fds, p->fd)) < 0)
1442 return copy;
1443
1444 if (p->type == SOCKET_SOCKET) {
1445 char *t;
1446
1447 if ((r = socket_address_print(&p->address, &t)) < 0)
1448 return r;
1449
27ca8d7a 1450 unit_serialize_item_format(u, f, "socket", "%i %i %s", copy, p->address.type, t);
a16e1123
LP		 1451 free(t);
1452 } else {
1453 assert(p->type == SOCKET_FIFO);
1454 unit_serialize_item_format(u, f, "fifo", "%i %s", copy, p->path);
1455 }
1456 }
1457
1458 return 0;
1459}
1460
1461static int socket_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
1462 Socket *s = SOCKET(u);
a16e1123
LP		 1463
1464 assert(u);
1465 assert(key);
1466 assert(value);
1467 assert(fds);
1468
1469 if (streq(key, "state")) {
1470 SocketState state;
1471
1472 if ((state = socket_state_from_string(value)) < 0)
1473 log_debug("Failed to parse state value %s", value);
1474 else
1475 s->deserialized_state = state;
1476 } else if (streq(key, "failure")) {
1477 int b;
1478
1479 if ((b = parse_boolean(value)) < 0)
1480 log_debug("Failed to parse failure value %s", value);
1481 else
1482 s->failure = b || s->failure;
1483
1484 } else if (streq(key, "n-accepted")) {
1485 unsigned k;
1486
e364ad06 1487 if (safe_atou(value, &k) < 0)
a16e1123
LP		 1488 log_debug("Failed to parse n-accepted value %s", value);
1489 else
1490 s->n_accepted += k;
1491 } else if (streq(key, "control-pid")) {
5925dd3c 1492 pid_t pid;
a16e1123 1493
e364ad06 1494 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 1495 log_debug("Failed to parse control-pid value %s", value);
1496 else
5925dd3c 1497 s->control_pid = pid;
a16e1123
LP		 1498 } else if (streq(key, "control-command")) {
1499 SocketExecCommand id;
1500
1501 if ((id = socket_exec_command_from_string(value)) < 0)
1502 log_debug("Failed to parse exec-command value %s", value);
1503 else {
1504 s->control_command_id = id;
1505 s->control_command = s->exec_command[id];
1506 }
1507 } else if (streq(key, "fifo")) {
1508 int fd, skip = 0;
1509 SocketPort *p;
1510
1511 if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
1512 log_debug("Failed to parse fifo value %s", value);
1513 else {
1514
1515 LIST_FOREACH(port, p, s->ports)
1516 if (streq(p->path, value+skip))
1517 break;
1518
1519 if (p) {
1520 if (p->fd >= 0)
1521 close_nointr_nofail(p->fd);
1522 p->fd = fdset_remove(fds, fd);
1523 }
1524 }
1525
1526 } else if (streq(key, "socket")) {
27ca8d7a 1527 int fd, type, skip = 0;
a16e1123
LP		 1528 SocketPort *p;
1529
27ca8d7a 1530 if (sscanf(value, "%i %i %n", &fd, &type, &skip) < 2 || fd < 0 || type < 0 || !fdset_contains(fds, fd))
a16e1123
LP		 1531 log_debug("Failed to parse socket value %s", value);
1532 else {
1533
1534 LIST_FOREACH(port, p, s->ports)
27ca8d7a 1535 if (socket_address_is(&p->address, value+skip, type))
a16e1123
LP		 1536 break;
1537
1538 if (p) {
1539 if (p->fd >= 0)
1540 close_nointr_nofail(p->fd);
1541 p->fd = fdset_remove(fds, fd);
1542 }
1543 }
1544
1545 } else
1546 log_debug("Unknown serialization key '%s'", key);
1547
1548 return 0;
1549}
1550
87f0e418
LP		 1551static UnitActiveState socket_active_state(Unit *u) {
1552 assert(u);
5cb5a6ff 1553
acbb0225 1554 return state_translation_table[SOCKET(u)->state];
5cb5a6ff
LP		 1555}
1556
10a94420
LP		 1557static const char *socket_sub_state_to_string(Unit *u) {
1558 assert(u);
1559
a16e1123 1560 return socket_state_to_string(SOCKET(u)->state);
10a94420
LP		 1561}
1562
6cf6bbc2
LP		 1563static bool socket_check_gc(Unit *u) {
1564 Socket *s = SOCKET(u);
1565
1566 assert(u);
1567
1568 return s->n_connections > 0;
1569}
1570
acbb0225 1571static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
87f0e418 1572 Socket *s = SOCKET(u);
4f2d528d 1573 int cfd = -1;
9152c765 1574
034c6ed7 1575 assert(s);
8d567588 1576 assert(fd >= 0);
9152c765 1577
871d7de4
LP		 1578 if (s->state != SOCKET_LISTENING)
1579 return;
1580
9e2f7c11 1581 log_debug("Incoming traffic on %s", u->meta.id);
9152c765 1582
4f2d528d
LP		 1583 if (events != EPOLLIN) {
1584 log_error("Got invalid poll event on socket.");
8d567588 1585 goto fail;
4f2d528d
LP		 1586 }
1587
cabab516 1588 if (w->socket_accept) {
4f2d528d
LP		 1589 for (;;) {
1590
1591 if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) {
1592
1593 if (errno == EINTR)
1594 continue;
1595
1596 log_error("Failed to accept socket: %m");
8d567588 1597 goto fail;
4f2d528d
LP		 1598 }
1599
1600 break;
1601 }
4fd5948e
LP		 1602
1603 socket_apply_socket_options(s, cfd);
4f2d528d 1604 }
9152c765 1605
4f2d528d 1606 socket_enter_running(s, cfd);
8d567588
LP		 1607 return;
1608
1609fail:
1610 socket_enter_stop_pre(s, false);
9152c765
LP		 1611}
1612
87f0e418
LP		 1613static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
1614 Socket *s = SOCKET(u);
034c6ed7 1615 bool success;
5cb5a6ff
LP		 1616
1617 assert(s);
034c6ed7 1618 assert(pid >= 0);
5cb5a6ff 1619
8c47c732
LP		 1620 if (pid != s->control_pid)
1621 return;
542563ba 1622
034c6ed7
LP		 1623 s->control_pid = 0;
1624
8c47c732 1625 success = is_clean_exit(code, status);
8c47c732 1626
b708e7ce 1627 if (s->control_command) {
169c1bda 1628 exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id);
a16e1123 1629
b708e7ce
LP		 1630 if (s->control_command->ignore)
1631 success = true;
1632 }
1633
92abbefb
LP		 1634 log_full(success ? LOG_DEBUG : LOG_NOTICE,
1635 "%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 1636 s->failure = s->failure || !success;
034c6ed7 1637
a16e1123
LP		 1638 if (s->control_command && s->control_command->command_next && success) {
1639 log_debug("%s running next command for state %s", u->meta.id, socket_state_to_string(s->state));
034c6ed7 1640 socket_run_next(s, success);
acbb0225 1641 } else {
a16e1123
LP		 1642 s->control_command = NULL;
1643 s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
1644
034c6ed7
LP		 1645 /* No further commands for this step, so let's figure
1646 * out what to do next */
5cb5a6ff 1647
a16e1123 1648 log_debug("%s got final SIGCHLD for state %s", u->meta.id, socket_state_to_string(s->state));
acbb0225 1649
034c6ed7
LP		 1650 switch (s->state) {
1651
1652 case SOCKET_START_PRE:
1653 if (success)
acbb0225 1654 socket_enter_start_post(s);
034c6ed7 1655 else
80876c20 1656 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1657 break;
1658
1659 case SOCKET_START_POST:
1660 if (success)
e9af15c3 1661 socket_enter_listening(s);
034c6ed7
LP		 1662 else
1663 socket_enter_stop_pre(s, false);
1664 break;
1665
1666 case SOCKET_STOP_PRE:
1667 case SOCKET_STOP_PRE_SIGTERM:
1668 case SOCKET_STOP_PRE_SIGKILL:
1669 socket_enter_stop_post(s, success);
1670 break;
1671
1672 case SOCKET_STOP_POST:
80876c20
LP		 1673 case SOCKET_FINAL_SIGTERM:
1674 case SOCKET_FINAL_SIGKILL:
034c6ed7
LP		 1675 socket_enter_dead(s, success);
1676 break;
1677
1678 default:
1679 assert_not_reached("Uh, control process died at wrong time.");
1680 }
1681 }
c4e2ceae
LP		 1682
1683 /* Notify clients about changed exit status */
1684 unit_add_to_dbus_queue(u);
034c6ed7 1685}
5cb5a6ff 1686
acbb0225 1687static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
87f0e418 1688 Socket *s = SOCKET(u);
5cb5a6ff 1689
034c6ed7
LP		 1690 assert(s);
1691 assert(elapsed == 1);
acbb0225 1692 assert(w == &s->timer_watch);
034c6ed7
LP		 1693
1694 switch (s->state) {
1695
1696 case SOCKET_START_PRE:
9e2f7c11 1697 log_warning("%s starting timed out. Terminating.", u->meta.id);
80876c20
LP		 1698 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
1699
034c6ed7 1700 case SOCKET_START_POST:
9e2f7c11 1701 log_warning("%s starting timed out. Stopping.", u->meta.id);
034c6ed7
LP		 1702 socket_enter_stop_pre(s, false);
1703 break;
1704
1705 case SOCKET_STOP_PRE:
9e2f7c11 1706 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 1707 socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, false);
1708 break;
1709
1710 case SOCKET_STOP_PRE_SIGTERM:
ba035df2
LP		 1711 if (s->exec_context.send_sigkill) {
1712 log_warning("%s stopping timed out. Killing.", u->meta.id);
1713 socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false);
1714 } else {
1715 log_warning("%s stopping timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
1716 socket_enter_stop_post(s, false);
1717 }
034c6ed7
LP		 1718 break;
1719
1720 case SOCKET_STOP_PRE_SIGKILL:
9e2f7c11 1721 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 1722 socket_enter_stop_post(s, false);
1723 break;
1724
1725 case SOCKET_STOP_POST:
9e2f7c11 1726 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
80876c20 1727 socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
034c6ed7
LP		 1728 break;
1729
80876c20 1730 case SOCKET_FINAL_SIGTERM:
ba035df2
LP		 1731 if (s->exec_context.send_sigkill) {
1732 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
1733 socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false);
1734 } else {
1735 log_warning("%s stopping timed out (2). Skipping SIGKILL. Ignoring.", u->meta.id);
1736 socket_enter_dead(s, false);
1737 }
034c6ed7
LP		 1738 break;
1739
80876c20 1740 case SOCKET_FINAL_SIGKILL:
fdf20a31 1741 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
034c6ed7
LP		 1742 socket_enter_dead(s, false);
1743 break;
1744
1745 default:
1746 assert_not_reached("Timeout at wrong time.");
1747 }
5cb5a6ff
LP		 1748}
1749
44d8db9e
LP		 1750int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds) {
1751 int *rfds;
1752 unsigned rn_fds, k;
1753 SocketPort *p;
1754
1755 assert(s);
1756 assert(fds);
1757 assert(n_fds);
1758
1759 /* Called from the service code for requesting our fds */
1760
1761 rn_fds = 0;
1762 LIST_FOREACH(port, p, s->ports)
1763 if (p->fd >= 0)
1764 rn_fds++;
1765
e364ad06 1766 if (!(rfds = new(int, rn_fds)))
44d8db9e
LP		 1767 return -ENOMEM;
1768
1769 k = 0;
1770 LIST_FOREACH(port, p, s->ports)
1771 if (p->fd >= 0)
1772 rfds[k++] = p->fd;
1773
1774 assert(k == rn_fds);
1775
1776 *fds = rfds;
1777 *n_fds = rn_fds;
1778
1779 return 0;
1780}
1781
ceee3d82
LP		 1782void socket_notify_service_dead(Socket *s) {
1783 assert(s);
1784
6cf6bbc2
LP		 1785 /* The service is dead. Dang!
1786 *
1787 * This is strictly for one-instance-for-all-connections
1788 * services. */
ceee3d82
LP		 1789
1790 if (s->state == SOCKET_RUNNING) {
9e2f7c11 1791 log_debug("%s got notified about service death.", s->meta.id);
ceee3d82
LP		 1792 socket_enter_listening(s);
1793 }
1794}
1795
6cf6bbc2
LP		 1796void socket_connection_unref(Socket *s) {
1797 assert(s);
1798
1799 /* The service is dead. Yay!
1800 *
35b8ca3a 1801 * This is strictly for one-instance-per-connection
6cf6bbc2
LP		 1802 * services. */
1803
1804 assert(s->n_connections > 0);
1805 s->n_connections--;
1806
1807 log_debug("%s: One connection closed, %u left.", s->meta.id, s->n_connections);
1808}
1809
fdf20a31 1810static void socket_reset_failed(Unit *u) {
5632e374
LP		 1811 Socket *s = SOCKET(u);
1812
1813 assert(s);
1814
fdf20a31 1815 if (s->state == SOCKET_FAILED)
5632e374
LP		 1816 socket_set_state(s, SOCKET_DEAD);
1817
1818 s->failure = false;
1819}
1820
8a0867d6
LP		 1821static int socket_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
1822 Socket *s = SOCKET(u);
1823 int r = 0;
1824 Set *pid_set = NULL;
1825
1826 assert(s);
1827
1828 if (who == KILL_MAIN) {
1829 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Socket units have no main processes");
1830 return -EINVAL;
1831 }
1832
1833 if (s->control_pid <= 0 && who == KILL_CONTROL) {
1834 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
1835 return -ENOENT;
1836 }
1837
1838 if (s->control_pid > 0)
1839 if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 0)
1840 r = -errno;
1841
1842 if (mode == KILL_CONTROL_GROUP) {
1843 int q;
1844
1845 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
1846 return -ENOMEM;
1847
1848 /* Exclude the control pid from being killed via the cgroup */
1849 if (s->control_pid > 0)
1850 if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
1851 r = q;
1852 goto finish;
1853 }
1854
1855 if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0)
1856 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1857 r = q;
1858 }
1859
1860finish:
1861 if (pid_set)
1862 set_free(pid_set);
1863
1864 return r;
1865}
1866
a16e1123
LP		 1867static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
1868 [SOCKET_DEAD] = "dead",
1869 [SOCKET_START_PRE] = "start-pre",
1870 [SOCKET_START_POST] = "start-post",
1871 [SOCKET_LISTENING] = "listening",
1872 [SOCKET_RUNNING] = "running",
1873 [SOCKET_STOP_PRE] = "stop-pre",
1874 [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
1875 [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
1876 [SOCKET_STOP_POST] = "stop-post",
1877 [SOCKET_FINAL_SIGTERM] = "final-sigterm",
1878 [SOCKET_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 1879 [SOCKET_FAILED] = "failed"
a16e1123
LP		 1880};
1881
1882DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
1883
1884static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = {
1885 [SOCKET_EXEC_START_PRE] = "StartPre",
1886 [SOCKET_EXEC_START_POST] = "StartPost",
1887 [SOCKET_EXEC_STOP_PRE] = "StopPre",
1888 [SOCKET_EXEC_STOP_POST] = "StopPost"
1889};
1890
1891DEFINE_STRING_TABLE_LOOKUP(socket_exec_command, SocketExecCommand);
1892
87f0e418 1893const UnitVTable socket_vtable = {
5cb5a6ff
LP		 1894 .suffix = ".socket",
1895
034c6ed7
LP		 1896 .init = socket_init,
1897 .done = socket_done,
a16e1123
LP		 1898 .load = socket_load,
1899
8a0867d6
LP		 1900 .kill = socket_kill,
1901
a16e1123 1902 .coldplug = socket_coldplug,
034c6ed7 1903
5cb5a6ff
LP		 1904 .dump = socket_dump,
1905
542563ba
LP		 1906 .start = socket_start,
1907 .stop = socket_stop,
5cb5a6ff 1908
a16e1123
LP		 1909 .serialize = socket_serialize,
1910 .deserialize_item = socket_deserialize_item,
1911
5cb5a6ff 1912 .active_state = socket_active_state,
10a94420 1913 .sub_state_to_string = socket_sub_state_to_string,
5cb5a6ff 1914
6cf6bbc2
LP		 1915 .check_gc = socket_check_gc,
1916
9152c765 1917 .fd_event = socket_fd_event,
034c6ed7 1918 .sigchld_event = socket_sigchld_event,
4139c1b2
LP		 1919 .timer_event = socket_timer_event,
1920
fdf20a31 1921 .reset_failed = socket_reset_failed,
5632e374 1922
c4e2ceae
LP		 1923 .bus_interface = "org.freedesktop.systemd1.Socket",
1924 .bus_message_handler = bus_socket_message_handler,
1925 .bus_invalidating_properties = bus_socket_invalidating_properties
5cb5a6ff 1926};
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