1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
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.
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.
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/>.
22 #include <linux/oom.h>
29 #include <sys/prctl.h>
30 #include <sys/mount.h>
35 #include "conf-parser.h"
36 #include "load-fragment.h"
39 #include "securebits.h"
41 #include "unit-name.h"
43 #define COMMENTS "#;\n"
45 static int config_parse_deps(
54 UnitDependency d = PTR_TO_UINT(data);
64 FOREACH_WORD(w, l, rvalue, state) {
68 if (!(t = strndup(w, l)))
71 k = unit_name_printf(u, t);
77 r = unit_add_dependency_by_name(u, d, k, NULL, true);
87 static int config_parse_names(
106 FOREACH_WORD(w, l, rvalue, state) {
110 if (!(t = strndup(w, l)))
113 k = unit_name_printf(u, t);
119 r = unit_merge_by_name(u, k);
129 static int config_parse_string_printf(
130 const char *filename,
148 if (!(k = unit_full_printf(u, rvalue)))
162 static int config_parse_listen(
163 const char *filename,
182 if (!(p = new0(SocketPort, 1)))
185 if (streq(lvalue, "ListenFIFO")) {
186 p->type = SOCKET_FIFO;
188 if (!(p->path = strdup(rvalue))) {
193 path_kill_slashes(p->path);
195 p->type = SOCKET_SOCKET;
197 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
198 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
203 if (streq(lvalue, "ListenStream"))
204 p->address.type = SOCK_STREAM;
205 else if (streq(lvalue, "ListenDatagram"))
206 p->address.type = SOCK_DGRAM;
208 assert(streq(lvalue, "ListenSequentialPacket"));
209 p->address.type = SOCK_SEQPACKET;
212 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
214 return -EPROTONOSUPPORT;
219 LIST_PREPEND(SocketPort, port, s->ports, p);
224 static int config_parse_socket_bind(
225 const char *filename,
234 SocketAddressBindIPv6Only b;
243 if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) {
246 if ((r = parse_boolean(rvalue)) < 0) {
247 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
251 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
253 s->bind_ipv6_only = b;
258 static int config_parse_nice(
259 const char *filename,
267 ExecContext *c = data;
275 if ((r = safe_atoi(rvalue, &priority)) < 0) {
276 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
280 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
281 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
291 static int config_parse_oom_adjust(
292 const char *filename,
300 ExecContext *c = data;
308 if ((r = safe_atoi(rvalue, &oa)) < 0) {
309 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
313 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
314 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
319 c->oom_adjust_set = true;
324 static int config_parse_mode(
325 const char *filename,
343 l = strtol(rvalue, &x, 8);
344 if (!x || *x || errno) {
345 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
346 return errno ? -errno : -EINVAL;
349 if (l < 0000 || l > 07777) {
350 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
358 static int config_parse_exec(
359 const char *filename,
367 ExecCommand **e = data, *nce = NULL;
372 char *state, *path = NULL;
373 bool honour_argv0, write_to_path;
380 /* We accept an absolute path as first argument, or
381 * alternatively an absolute prefixed with @ to allow
382 * overriding of argv[0]. */
384 honour_argv0 = rvalue[0] == '@';
386 if (rvalue[honour_argv0 ? 1 : 0] != '/') {
387 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
392 FOREACH_WORD_QUOTED(w, l, rvalue, state)
395 if (!(n = new(char*, k + (honour_argv0 ? 0 : 1))))
399 write_to_path = honour_argv0;
400 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
402 if (!(path = strndup(w+1, l-1)))
404 write_to_path = false;
406 if (!(n[k++] = strndup(w, l)))
414 log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue);
420 if (!(path = strdup(n[0])))
423 assert(path_is_absolute(path));
425 if (!(nce = new0(ExecCommand, 1)))
431 path_kill_slashes(nce->path);
433 exec_command_append_list(e, nce);
446 static int config_parse_usec(
447 const char *filename,
463 if ((r = parse_usec(rvalue, usec)) < 0) {
464 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
471 static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
472 static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
474 static int config_parse_bindtodevice(
475 const char *filename,
491 if (rvalue[0] && !streq(rvalue, "*")) {
492 if (!(n = strdup(rvalue)))
497 free(s->bind_to_device);
498 s->bind_to_device = n;
503 static DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
504 static DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
506 static int config_parse_facility(
507 const char *filename,
523 if ((x = log_facility_from_string(rvalue)) < 0) {
524 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
528 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
533 static int config_parse_level(
534 const char *filename,
550 if ((x = log_level_from_string(rvalue)) < 0) {
551 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
555 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
559 static int config_parse_io_class(
560 const char *filename,
568 ExecContext *c = data;
576 if ((x = ioprio_class_from_string(rvalue)) < 0) {
577 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
581 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
582 c->ioprio_set = true;
587 static int config_parse_io_priority(
588 const char *filename,
596 ExecContext *c = data;
604 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
605 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
609 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
610 c->ioprio_set = true;
615 static int config_parse_cpu_sched_policy(
616 const char *filename,
625 ExecContext *c = data;
633 if ((x = sched_policy_from_string(rvalue)) < 0) {
634 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
638 c->cpu_sched_policy = x;
639 c->cpu_sched_set = true;
644 static int config_parse_cpu_sched_prio(
645 const char *filename,
653 ExecContext *c = data;
661 /* On Linux RR/FIFO have the same range */
662 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
663 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
667 c->cpu_sched_priority = i;
668 c->cpu_sched_set = true;
673 static int config_parse_cpu_affinity(
674 const char *filename,
682 ExecContext *c = data;
692 FOREACH_WORD(w, l, rvalue, state) {
697 if (!(t = strndup(w, l)))
700 r = safe_atou(t, &cpu);
704 if (!(c->cpuset = cpu_set_malloc(&c->cpuset_ncpus)))
707 if (r < 0 || cpu >= c->cpuset_ncpus) {
708 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
712 CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset);
718 static int config_parse_capabilities(
719 const char *filename,
727 ExecContext *c = data;
735 if (!(cap = cap_from_text(rvalue))) {
739 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
744 cap_free(c->capabilities);
745 c->capabilities = cap;
750 static int config_parse_secure_bits(
751 const char *filename,
759 ExecContext *c = data;
769 FOREACH_WORD(w, l, rvalue, state) {
770 if (first_word(w, "keep-caps"))
771 c->secure_bits |= SECURE_KEEP_CAPS;
772 else if (first_word(w, "keep-caps-locked"))
773 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
774 else if (first_word(w, "no-setuid-fixup"))
775 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
776 else if (first_word(w, "no-setuid-fixup-locked"))
777 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
778 else if (first_word(w, "noroot"))
779 c->secure_bits |= SECURE_NOROOT;
780 else if (first_word(w, "noroot-locked"))
781 c->secure_bits |= SECURE_NOROOT_LOCKED;
783 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
791 static int config_parse_bounding_set(
792 const char *filename,
800 ExecContext *c = data;
810 FOREACH_WORD(w, l, rvalue, state) {
815 if (!(t = strndup(w, l)))
818 r = cap_from_name(t, &cap);
822 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
826 c->capability_bounding_set_drop |= 1 << cap;
832 static int config_parse_timer_slack_nsec(
833 const char *filename,
841 ExecContext *c = data;
850 if ((r = safe_atolu(rvalue, &u)) < 0) {
851 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
855 c->timer_slack_nsec = u;
860 static int config_parse_limit(
861 const char *filename,
869 struct rlimit **rl = data;
870 unsigned long long u;
878 if ((r = safe_atollu(rvalue, &u)) < 0) {
879 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
884 if (!(*rl = new(struct rlimit, 1)))
887 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
891 static int config_parse_cgroup(
892 const char *filename,
905 FOREACH_WORD(w, l, rvalue, state) {
909 if (!(t = strndup(w, l)))
912 r = unit_add_cgroup_from_text(u, t);
922 static int config_parse_sysv_priority(
923 const char *filename,
931 int *priority = data;
939 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
940 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
948 static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
950 static int config_parse_mount_flags(
951 const char *filename,
959 ExecContext *c = data;
963 unsigned long flags = 0;
970 FOREACH_WORD(w, l, rvalue, state) {
971 if (strncmp(w, "shared", l) == 0)
973 else if (strncmp(w, "slave", l) == 0)
975 else if (strncmp(w, "private", l) == 0)
978 log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
983 c->mount_flags = flags;
987 static int config_parse_timer(
988 const char *filename,
1007 if ((b = timer_base_from_string(lvalue)) < 0) {
1008 log_error("[%s:%u] Failed to parse timer base: %s", filename, line, lvalue);
1012 if ((r = parse_usec(rvalue, &u)) < 0) {
1013 log_error("[%s:%u] Failed to parse timer value: %s", filename, line, rvalue);
1017 if (!(v = new0(TimerValue, 1)))
1023 LIST_PREPEND(TimerValue, value, t->values, v);
1028 static int config_parse_timer_unit(
1029 const char *filename,
1031 const char *section,
1040 if (endswith(rvalue, ".timer")) {
1041 log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue);
1045 if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) {
1046 log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue);
1053 static int config_parse_path_spec(
1054 const char *filename,
1056 const char *section,
1071 if ((b = path_type_from_string(lvalue)) < 0) {
1072 log_error("[%s:%u] Failed to parse path type: %s", filename, line, lvalue);
1076 if (!path_is_absolute(rvalue)) {
1077 log_error("[%s:%u] Path is not absolute: %s", filename, line, rvalue);
1081 if (!(s = new0(PathSpec, 1)))
1084 if (!(s->path = strdup(rvalue))) {
1089 path_kill_slashes(s->path);
1094 LIST_PREPEND(PathSpec, spec, p->specs, s);
1099 static int config_parse_path_unit(
1100 const char *filename,
1102 const char *section,
1111 if (endswith(rvalue, ".path")) {
1112 log_error("[%s:%u] Unit cannot be of type path: %s", filename, line, rvalue);
1116 if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) {
1117 log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue);
1124 static int config_parse_env_file(
1125 const char *filename,
1127 const char *section,
1142 if (!(f = fopen(rvalue, "re"))) {
1143 log_error("[%s:%u] Failed to open environment file '%s': %m", filename, line, rvalue);
1148 char l[LINE_MAX], *p;
1151 if (!fgets(l, sizeof(l), f)) {
1156 log_error("[%s:%u] Failed to read environment file '%s': %m", filename, line, rvalue);
1165 if (strchr(COMMENTS, *p))
1168 t = strv_env_set(*env, p);
1182 static int config_parse_ip_tos(
1183 const char *filename,
1185 const char *section,
1191 int *ip_tos = data, x;
1199 if ((x = ip_tos_from_string(rvalue)) < 0)
1200 if ((r = safe_atoi(rvalue, &x)) < 0) {
1201 log_error("[%s:%u] Failed to parse IP TOS value: %s", filename, line, rvalue);
1209 static DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
1211 #define FOLLOW_MAX 8
1213 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
1224 /* This will update the filename pointer if the loaded file is
1225 * reached by a symlink. The old string will be freed. */
1228 char *target, *name;
1230 if (c++ >= FOLLOW_MAX)
1233 path_kill_slashes(*filename);
1235 /* Add the file name we are currently looking at to
1236 * the names of this unit */
1237 name = file_name_from_path(*filename);
1238 if (!(id = set_get(names, name))) {
1240 if (!(id = strdup(name)))
1243 if ((r = set_put(names, id)) < 0) {
1249 /* Try to open the file name, but don't if its a symlink */
1250 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
1256 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
1257 if ((r = readlink_and_make_absolute(*filename, &target)) < 0)
1264 if (!(f = fdopen(fd, "r"))) {
1266 close_nointr_nofail(fd);
1275 static int merge_by_names(Unit **u, Set *names, const char *id) {
1283 /* Let's try to add in all symlink names we found */
1284 while ((k = set_steal_first(names))) {
1286 /* First try to merge in the other name into our
1288 if ((r = unit_merge_by_name(*u, k)) < 0) {
1291 /* Hmm, we couldn't merge the other unit into
1292 * ours? Then let's try it the other way
1295 other = manager_get_unit((*u)->meta.manager, k);
1299 if ((r = unit_merge(other, *u)) >= 0) {
1301 return merge_by_names(u, names, NULL);
1308 unit_choose_id(*u, id);
1316 static void dump_items(FILE *f, const ConfigItem *items) {
1317 const ConfigItem *i;
1318 const char *prev_section = NULL;
1319 bool not_first = false;
1322 ConfigParserCallback callback;
1325 { config_parse_int, "INTEGER" },
1326 { config_parse_unsigned, "UNSIGNED" },
1327 { config_parse_size, "SIZE" },
1328 { config_parse_bool, "BOOLEAN" },
1329 { config_parse_string, "STRING" },
1330 { config_parse_path, "PATH" },
1331 { config_parse_strv, "STRING [...]" },
1332 { config_parse_nice, "NICE" },
1333 { config_parse_oom_adjust, "OOMADJUST" },
1334 { config_parse_io_class, "IOCLASS" },
1335 { config_parse_io_priority, "IOPRIORITY" },
1336 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1337 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1338 { config_parse_cpu_affinity, "CPUAFFINITY" },
1339 { config_parse_mode, "MODE" },
1340 { config_parse_env_file, "FILE" },
1341 { config_parse_output, "OUTPUT" },
1342 { config_parse_input, "INPUT" },
1343 { config_parse_facility, "FACILITY" },
1344 { config_parse_level, "LEVEL" },
1345 { config_parse_capabilities, "CAPABILITIES" },
1346 { config_parse_secure_bits, "SECUREBITS" },
1347 { config_parse_bounding_set, "BOUNDINGSET" },
1348 { config_parse_timer_slack_nsec, "TIMERSLACK" },
1349 { config_parse_limit, "LIMIT" },
1350 { config_parse_cgroup, "CGROUP [...]" },
1351 { config_parse_deps, "UNIT [...]" },
1352 { config_parse_names, "UNIT [...]" },
1353 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1354 { config_parse_service_type, "SERVICETYPE" },
1355 { config_parse_service_restart, "SERVICERESTART" },
1356 { config_parse_sysv_priority, "SYSVPRIORITY" },
1357 { config_parse_kill_mode, "KILLMODE" },
1358 { config_parse_listen, "SOCKET [...]" },
1359 { config_parse_socket_bind, "SOCKETBIND" },
1360 { config_parse_bindtodevice, "NETWORKINTERFACE" },
1361 { config_parse_usec, "SECONDS" },
1362 { config_parse_path_strv, "PATH [...]" },
1363 { config_parse_mount_flags, "MOUNTFLAG [...]" },
1364 { config_parse_string_printf, "STRING" },
1365 { config_parse_timer, "TIMER" },
1366 { config_parse_timer_unit, "NAME" },
1367 { config_parse_path_spec, "PATH" },
1368 { config_parse_path_unit, "UNIT" },
1369 { config_parse_notify_access, "ACCESS" },
1370 { config_parse_ip_tos, "TOS" },
1376 for (i = items; i->lvalue; i++) {
1378 const char *rvalue = "OTHER";
1380 if (!streq_ptr(i->section, prev_section)) {
1386 fprintf(f, "[%s]\n", i->section);
1387 prev_section = i->section;
1390 for (j = 0; j < ELEMENTSOF(table); j++)
1391 if (i->parse == table[j].callback) {
1392 rvalue = table[j].rvalue;
1396 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1400 static int load_from_path(Unit *u, const char *path) {
1402 static const char* const section_table[_UNIT_TYPE_MAX] = {
1403 [UNIT_SERVICE] = "Service",
1404 [UNIT_TIMER] = "Timer",
1405 [UNIT_SOCKET] = "Socket",
1406 [UNIT_TARGET] = "Target",
1407 [UNIT_DEVICE] = "Device",
1408 [UNIT_MOUNT] = "Mount",
1409 [UNIT_AUTOMOUNT] = "Automount",
1410 [UNIT_SNAPSHOT] = "Snapshot",
1411 [UNIT_SWAP] = "Swap",
1412 [UNIT_PATH] = "Path"
1415 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1416 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1417 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1418 { "User", config_parse_string_printf, &(context).user, section }, \
1419 { "Group", config_parse_string_printf, &(context).group, section }, \
1420 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1421 { "Nice", config_parse_nice, &(context), section }, \
1422 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1423 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1424 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1425 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1426 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1427 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1428 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1429 { "UMask", config_parse_mode, &(context).umask, section }, \
1430 { "Environment", config_parse_strv, &(context).environment, section }, \
1431 { "EnvironmentFile", config_parse_env_file, &(context).environment, section }, \
1432 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1433 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1434 { "StandardError", config_parse_output, &(context).std_error, section }, \
1435 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1436 { "SyslogIdentifier", config_parse_string_printf, &(context).syslog_identifier, section }, \
1437 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1438 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1439 { "SyslogLevelPrefix", config_parse_bool, &(context).syslog_level_prefix, section }, \
1440 { "Capabilities", config_parse_capabilities, &(context), section }, \
1441 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1442 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1443 { "TimerSlackNSec", config_parse_timer_slack_nsec,&(context), section }, \
1444 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1445 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1446 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1447 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1448 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1449 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1450 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1451 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1452 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1453 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1454 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1455 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1456 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1457 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1458 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1459 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1460 { "ControlGroup", config_parse_cgroup, u, section }, \
1461 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1462 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1463 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1464 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1465 { "MountFlags", config_parse_mount_flags, &(context), section }, \
1466 { "TCPWrapName", config_parse_string_printf, &(context).tcpwrap_name, section }, \
1467 { "PAMName", config_parse_string_printf, &(context).pam_name, section }
1469 const ConfigItem items[] = {
1470 { "Names", config_parse_names, u, "Unit" },
1471 { "Description", config_parse_string_printf, &u->meta.description, "Unit" },
1472 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
1473 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
1474 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
1475 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
1476 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
1477 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
1478 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
1479 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
1480 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
1481 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
1482 { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" },
1483 { "DefaultDependencies", config_parse_bool, &u->meta.default_dependencies, "Unit" },
1485 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1486 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1487 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1488 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1489 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1490 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1491 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1492 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1493 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1494 { "Type", config_parse_service_type, &u->service.type, "Service" },
1495 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1496 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1497 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1498 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1499 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1500 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1501 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1502 { "BusName", config_parse_string_printf, &u->service.bus_name, "Service" },
1503 { "NotifyAccess", config_parse_notify_access, &u->service.notify_access, "Service" },
1504 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1506 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1507 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1508 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1509 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1510 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1511 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1512 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1513 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1514 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1515 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1516 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1517 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1518 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1519 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1520 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1521 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1522 { "MaxConnections", config_parse_unsigned, &u->socket.max_connections, "Socket" },
1523 { "KeepAlive", config_parse_bool, &u->socket.keep_alive, "Socket" },
1524 { "Priority", config_parse_int, &u->socket.priority, "Socket" },
1525 { "ReceiveBuffer", config_parse_size, &u->socket.receive_buffer, "Socket" },
1526 { "SendBuffer", config_parse_size, &u->socket.send_buffer, "Socket" },
1527 { "IPTOS", config_parse_ip_tos, &u->socket.ip_tos, "Socket" },
1528 { "IPTTL", config_parse_int, &u->socket.ip_ttl, "Socket" },
1529 { "Mark", config_parse_int, &u->socket.mark, "Socket" },
1530 { "PipeSize", config_parse_size, &u->socket.pipe_size, "Socket" },
1531 { "FreeBind", config_parse_bool, &u->socket.free_bind, "Socket" },
1532 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1534 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1535 { "Where", config_parse_path, &u->mount.where, "Mount" },
1536 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1537 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1538 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1539 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1540 { "DirectoryMode", config_parse_mode, &u->mount.directory_mode, "Mount" },
1541 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1543 { "Where", config_parse_path, &u->automount.where, "Automount" },
1544 { "DirectoryMode", config_parse_mode, &u->automount.directory_mode, "Automount" },
1546 { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" },
1547 { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" },
1549 { "OnActiveSec", config_parse_timer, &u->timer, "Timer" },
1550 { "OnBootSec", config_parse_timer, &u->timer, "Timer" },
1551 { "OnStartupSec", config_parse_timer, &u->timer, "Timer" },
1552 { "OnUnitActiveSec", config_parse_timer, &u->timer, "Timer" },
1553 { "OnUnitInactiveSec", config_parse_timer, &u->timer, "Timer" },
1554 { "Unit", config_parse_timer_unit, &u->timer, "Timer" },
1556 { "PathExists", config_parse_path_spec, &u->path, "Path" },
1557 { "PathChanged", config_parse_path_spec, &u->path, "Path" },
1558 { "DirectoryNotEmpty", config_parse_path_spec, &u->path, "Path" },
1559 { "Unit", config_parse_path_unit, &u->path, "Path" },
1561 /* The [Install] section is ignored here. */
1562 { "Alias", NULL, NULL, "Install" },
1563 { "WantedBy", NULL, NULL, "Install" },
1564 { "Also", NULL, NULL, "Install" },
1566 { NULL, NULL, NULL, NULL }
1569 #undef EXEC_CONTEXT_CONFIG_ITEMS
1571 const char *sections[4];
1575 char *filename = NULL, *id = NULL;
1579 /* Dirty dirty hack. */
1580 dump_items((FILE*) path, items);
1587 sections[0] = "Unit";
1588 sections[1] = section_table[u->meta.type];
1589 sections[2] = "Install";
1592 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1595 if (path_is_absolute(path)) {
1597 if (!(filename = strdup(path))) {
1602 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1613 STRV_FOREACH(p, u->meta.manager->lookup_paths.unit_path) {
1615 /* Instead of opening the path right away, we manually
1616 * follow all symlinks and add their name to our unit
1617 * name set while doing so */
1618 if (!(filename = path_make_absolute(path, *p))) {
1623 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1632 /* Empty the symlink names for the next run */
1633 while ((sn = set_steal_first(symlink_names)))
1649 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1653 u->meta.load_state = UNIT_MERGED;
1658 /* Now, parse the file contents */
1659 if ((r = config_parse(filename, f, sections, items, false, u)) < 0)
1662 free(u->meta.fragment_path);
1663 u->meta.fragment_path = filename;
1666 u->meta.load_state = UNIT_LOADED;
1670 set_free_free(symlink_names);
1679 int unit_load_fragment(Unit *u) {
1684 if (u->meta.fragment_path) {
1686 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1693 /* Try to find the unit under its id */
1694 if ((r = load_from_path(u, u->meta.id)) < 0)
1697 /* Try to find an alias we can load this with */
1698 if (u->meta.load_state == UNIT_STUB)
1699 SET_FOREACH(t, u->meta.names, i) {
1701 if (t == u->meta.id)
1704 if ((r = load_from_path(u, t)) < 0)
1707 if (u->meta.load_state != UNIT_STUB)
1711 /* Now, follow the same logic, but look for a template */
1712 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1715 if (!(k = unit_name_template(u->meta.id)))
1718 r = load_from_path(u, k);
1724 if (u->meta.load_state == UNIT_STUB)
1725 SET_FOREACH(t, u->meta.names, i) {
1727 if (t == u->meta.id)
1730 if (!(k = unit_name_template(t)))
1733 r = load_from_path(u, k);
1739 if (u->meta.load_state != UNIT_STUB)
1748 void unit_dump_config_items(FILE *f) {
1749 /* OK, this wins a prize for extreme ugliness. */
1751 load_from_path(NULL, (const void*) f);