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 DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \
44 static int function( \
45 const char *filename, \
47 const char *section, \
60 if ((x = name##_from_string(rvalue)) < 0) { \
61 log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \
70 static int config_parse_deps(
79 UnitDependency d = PTR_TO_UINT(data);
89 FOREACH_WORD(w, l, rvalue, state) {
93 if (!(t = strndup(w, l)))
96 k = unit_name_printf(u, t);
102 r = unit_add_dependency_by_name(u, d, k, NULL, true);
112 static int config_parse_names(
113 const char *filename,
131 FOREACH_WORD(w, l, rvalue, state) {
135 if (!(t = strndup(w, l)))
138 k = unit_name_printf(u, t);
144 r = unit_merge_by_name(u, k);
154 static int config_parse_description(
155 const char *filename,
171 if (!(k = unit_full_printf(u, rvalue)))
174 free(u->meta.description);
177 u->meta.description = k;
180 u->meta.description = NULL;
186 static int config_parse_listen(
187 const char *filename,
206 if (!(p = new0(SocketPort, 1)))
209 if (streq(lvalue, "ListenFIFO")) {
210 p->type = SOCKET_FIFO;
212 if (!(p->path = strdup(rvalue))) {
217 path_kill_slashes(p->path);
219 p->type = SOCKET_SOCKET;
221 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
222 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
227 if (streq(lvalue, "ListenStream"))
228 p->address.type = SOCK_STREAM;
229 else if (streq(lvalue, "ListenDatagram"))
230 p->address.type = SOCK_DGRAM;
232 assert(streq(lvalue, "ListenSequentialPacket"));
233 p->address.type = SOCK_SEQPACKET;
236 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
238 return -EPROTONOSUPPORT;
243 LIST_PREPEND(SocketPort, port, s->ports, p);
248 static int config_parse_socket_bind(
249 const char *filename,
258 SocketAddressBindIPv6Only b;
267 if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) {
270 if ((r = parse_boolean(rvalue)) < 0) {
271 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
275 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
277 s->bind_ipv6_only = b;
282 static int config_parse_nice(
283 const char *filename,
291 ExecContext *c = data;
299 if ((r = safe_atoi(rvalue, &priority)) < 0) {
300 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
304 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
305 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
315 static int config_parse_oom_adjust(
316 const char *filename,
324 ExecContext *c = data;
332 if ((r = safe_atoi(rvalue, &oa)) < 0) {
333 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
337 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
338 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
343 c->oom_adjust_set = true;
348 static int config_parse_mode(
349 const char *filename,
367 l = strtol(rvalue, &x, 8);
368 if (!x || *x || errno) {
369 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
370 return errno ? -errno : -EINVAL;
373 if (l < 0000 || l > 07777) {
374 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
382 static int config_parse_exec(
383 const char *filename,
391 ExecCommand **e = data, *nce = NULL;
396 char *state, *path = NULL;
397 bool honour_argv0, write_to_path;
404 /* We accept an absolute path as first argument, or
405 * alternatively an absolute prefixed with @ to allow
406 * overriding of argv[0]. */
408 honour_argv0 = rvalue[0] == '@';
410 if (rvalue[honour_argv0 ? 1 : 0] != '/') {
411 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
416 FOREACH_WORD_QUOTED(w, l, rvalue, state)
419 if (!(n = new(char*, k + (honour_argv0 ? 0 : 1))))
423 write_to_path = honour_argv0;
424 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
426 if (!(path = strndup(w+1, l-1)))
428 write_to_path = false;
430 if (!(n[k++] = strndup(w, l)))
438 log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue);
444 if (!(path = strdup(n[0])))
447 assert(path_is_absolute(path));
449 if (!(nce = new0(ExecCommand, 1)))
455 path_kill_slashes(nce->path);
457 exec_command_append_list(e, nce);
470 static int config_parse_usec(
471 const char *filename,
487 if ((r = parse_usec(rvalue, usec)) < 0) {
488 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
495 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
496 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
498 static int config_parse_bindtodevice(
499 const char *filename,
515 if (rvalue[0] && !streq(rvalue, "*")) {
516 if (!(n = strdup(rvalue)))
521 free(s->bind_to_device);
522 s->bind_to_device = n;
527 DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
528 DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
530 static int config_parse_facility(
531 const char *filename,
547 if ((x = log_facility_from_string(rvalue)) < 0) {
548 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
552 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
557 static int config_parse_level(
558 const char *filename,
574 if ((x = log_level_from_string(rvalue)) < 0) {
575 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
579 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
583 static int config_parse_io_class(
584 const char *filename,
592 ExecContext *c = data;
600 if ((x = ioprio_class_from_string(rvalue)) < 0) {
601 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
605 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
606 c->ioprio_set = true;
611 static int config_parse_io_priority(
612 const char *filename,
620 ExecContext *c = data;
628 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
629 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
633 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
634 c->ioprio_set = true;
639 static int config_parse_cpu_sched_policy(
640 const char *filename,
649 ExecContext *c = data;
657 if ((x = sched_policy_from_string(rvalue)) < 0) {
658 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
662 c->cpu_sched_policy = x;
663 c->cpu_sched_set = true;
668 static int config_parse_cpu_sched_prio(
669 const char *filename,
677 ExecContext *c = data;
685 /* On Linux RR/FIFO have the same range */
686 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
687 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
691 c->cpu_sched_priority = i;
692 c->cpu_sched_set = true;
697 static int config_parse_cpu_affinity(
698 const char *filename,
706 ExecContext *c = data;
716 FOREACH_WORD(w, l, rvalue, state) {
721 if (!(t = strndup(w, l)))
724 r = safe_atou(t, &cpu);
727 if (r < 0 || cpu >= CPU_SETSIZE) {
728 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
732 CPU_SET(cpu, &c->cpu_affinity);
735 c->cpu_affinity_set = true;
740 static int config_parse_capabilities(
741 const char *filename,
749 ExecContext *c = data;
757 if (!(cap = cap_from_text(rvalue))) {
761 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
766 cap_free(c->capabilities);
767 c->capabilities = cap;
772 static int config_parse_secure_bits(
773 const char *filename,
781 ExecContext *c = data;
791 FOREACH_WORD(w, l, rvalue, state) {
792 if (first_word(w, "keep-caps"))
793 c->secure_bits |= SECURE_KEEP_CAPS;
794 else if (first_word(w, "keep-caps-locked"))
795 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
796 else if (first_word(w, "no-setuid-fixup"))
797 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
798 else if (first_word(w, "no-setuid-fixup-locked"))
799 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
800 else if (first_word(w, "noroot"))
801 c->secure_bits |= SECURE_NOROOT;
802 else if (first_word(w, "noroot-locked"))
803 c->secure_bits |= SECURE_NOROOT_LOCKED;
805 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
813 static int config_parse_bounding_set(
814 const char *filename,
822 ExecContext *c = data;
832 FOREACH_WORD(w, l, rvalue, state) {
837 if (!(t = strndup(w, l)))
840 r = cap_from_name(t, &cap);
844 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
848 c->capability_bounding_set_drop |= 1 << cap;
854 static int config_parse_timer_slack_ns(
855 const char *filename,
863 ExecContext *c = data;
872 if ((r = safe_atolu(rvalue, &u)) < 0) {
873 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
877 c->timer_slack_ns = u;
882 static int config_parse_limit(
883 const char *filename,
891 struct rlimit **rl = data;
892 unsigned long long u;
900 if ((r = safe_atollu(rvalue, &u)) < 0) {
901 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
906 if (!(*rl = new(struct rlimit, 1)))
909 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
913 static int config_parse_cgroup(
914 const char *filename,
927 FOREACH_WORD(w, l, rvalue, state) {
931 if (!(t = strndup(w, l)))
934 r = unit_add_cgroup_from_text(u, t);
944 static int config_parse_sysv_priority(
945 const char *filename,
953 int *priority = data;
961 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
962 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
970 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
972 static int config_parse_mount_flags(
973 const char *filename,
981 ExecContext *c = data;
985 unsigned long flags = 0;
992 FOREACH_WORD(w, l, rvalue, state) {
993 if (strncmp(w, "shared", l) == 0)
995 else if (strncmp(w, "slave", l) == 0)
997 else if (strncmp(w, "private", l) == 0)
1000 log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
1005 c->mount_flags = flags;
1009 static int config_parse_timer(
1010 const char *filename,
1012 const char *section,
1029 if ((b = timer_base_from_string(lvalue)) < 0) {
1030 log_error("[%s:%u] Failed to parse timer base: %s", filename, line, lvalue);
1034 if ((r = parse_usec(rvalue, &u)) < 0) {
1035 log_error("[%s:%u] Failed to parse timer value: %s", filename, line, rvalue);
1039 if (!(v = new0(TimerValue, 1)))
1045 LIST_PREPEND(TimerValue, value, t->values, v);
1050 static int config_parse_timer_unit(
1051 const char *filename,
1053 const char *section,
1062 if (endswith(rvalue, ".timer")) {
1063 log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue);
1067 if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) {
1068 log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue);
1075 static int config_parse_path_spec(
1076 const char *filename,
1078 const char *section,
1093 if ((b = path_type_from_string(lvalue)) < 0) {
1094 log_error("[%s:%u] Failed to parse path type: %s", filename, line, lvalue);
1098 if (!path_is_absolute(rvalue)) {
1099 log_error("[%s:%u] Path is not absolute: %s", filename, line, rvalue);
1103 if (!(s = new0(PathSpec, 1)))
1106 if (!(s->path = strdup(rvalue))) {
1111 path_kill_slashes(s->path);
1116 LIST_PREPEND(PathSpec, spec, p->specs, s);
1121 static int config_parse_path_unit(
1122 const char *filename,
1124 const char *section,
1133 if (endswith(rvalue, ".path")) {
1134 log_error("[%s:%u] Unit cannot be of type path: %s", filename, line, rvalue);
1138 if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) {
1139 log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue);
1146 #define FOLLOW_MAX 8
1148 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
1159 /* This will update the filename pointer if the loaded file is
1160 * reached by a symlink. The old string will be freed. */
1163 char *target, *k, *name;
1165 if (c++ >= FOLLOW_MAX)
1168 path_kill_slashes(*filename);
1170 /* Add the file name we are currently looking at to
1171 * the names of this unit */
1172 name = file_name_from_path(*filename);
1173 if (!(id = set_get(names, name))) {
1175 if (!(id = strdup(name)))
1178 if ((r = set_put(names, id)) < 0) {
1184 /* Try to open the file name, but don't if its a symlink */
1185 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
1191 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
1192 if ((r = readlink_malloc(*filename, &target)) < 0)
1195 k = file_in_same_dir(*filename, target);
1205 if (!(f = fdopen(fd, "r"))) {
1207 close_nointr_nofail(fd);
1216 static int merge_by_names(Unit **u, Set *names, const char *id) {
1224 /* Let's try to add in all symlink names we found */
1225 while ((k = set_steal_first(names))) {
1227 /* First try to merge in the other name into our
1229 if ((r = unit_merge_by_name(*u, k)) < 0) {
1232 /* Hmm, we couldn't merge the other unit into
1233 * ours? Then let's try it the other way
1236 other = manager_get_unit((*u)->meta.manager, k);
1240 if ((r = unit_merge(other, *u)) >= 0) {
1242 return merge_by_names(u, names, NULL);
1249 unit_choose_id(*u, id);
1257 static void dump_items(FILE *f, const ConfigItem *items) {
1258 const ConfigItem *i;
1259 const char *prev_section = NULL;
1260 bool not_first = false;
1263 ConfigParserCallback callback;
1266 { config_parse_int, "INTEGER" },
1267 { config_parse_unsigned, "UNSIGNED" },
1268 { config_parse_size, "SIZE" },
1269 { config_parse_bool, "BOOLEAN" },
1270 { config_parse_string, "STRING" },
1271 { config_parse_path, "PATH" },
1272 { config_parse_strv, "STRING [...]" },
1273 { config_parse_nice, "NICE" },
1274 { config_parse_oom_adjust, "OOMADJUST" },
1275 { config_parse_io_class, "IOCLASS" },
1276 { config_parse_io_priority, "IOPRIORITY" },
1277 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1278 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1279 { config_parse_cpu_affinity, "CPUAFFINITY" },
1280 { config_parse_mode, "MODE" },
1281 { config_parse_output, "OUTPUT" },
1282 { config_parse_input, "INPUT" },
1283 { config_parse_facility, "FACILITY" },
1284 { config_parse_level, "LEVEL" },
1285 { config_parse_capabilities, "CAPABILITIES" },
1286 { config_parse_secure_bits, "SECUREBITS" },
1287 { config_parse_bounding_set, "BOUNDINGSET" },
1288 { config_parse_timer_slack_ns, "TIMERSLACK" },
1289 { config_parse_limit, "LIMIT" },
1290 { config_parse_cgroup, "CGROUP [...]" },
1291 { config_parse_deps, "UNIT [...]" },
1292 { config_parse_names, "UNIT [...]" },
1293 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1294 { config_parse_service_type, "SERVICETYPE" },
1295 { config_parse_service_restart, "SERVICERESTART" },
1296 { config_parse_sysv_priority, "SYSVPRIORITY" },
1297 { config_parse_kill_mode, "KILLMODE" },
1298 { config_parse_listen, "SOCKET [...]" },
1299 { config_parse_socket_bind, "SOCKETBIND" },
1300 { config_parse_bindtodevice, "NETWORKINTERFACE" },
1301 { config_parse_usec, "SECONDS" },
1302 { config_parse_path_strv, "PATH [...]" },
1303 { config_parse_mount_flags, "MOUNTFLAG [...]" },
1304 { config_parse_description, "DESCRIPTION" },
1305 { config_parse_timer, "TIMER" },
1306 { config_parse_timer_unit, "NAME" },
1312 for (i = items; i->lvalue; i++) {
1314 const char *rvalue = "OTHER";
1316 if (!streq_ptr(i->section, prev_section)) {
1322 fprintf(f, "[%s]\n", i->section);
1323 prev_section = i->section;
1326 for (j = 0; j < ELEMENTSOF(table); j++)
1327 if (i->parse == table[j].callback) {
1328 rvalue = table[j].rvalue;
1332 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1336 static int load_from_path(Unit *u, const char *path) {
1338 static const char* const section_table[_UNIT_TYPE_MAX] = {
1339 [UNIT_SERVICE] = "Service",
1340 [UNIT_TIMER] = "Timer",
1341 [UNIT_SOCKET] = "Socket",
1342 [UNIT_TARGET] = "Target",
1343 [UNIT_DEVICE] = "Device",
1344 [UNIT_MOUNT] = "Mount",
1345 [UNIT_AUTOMOUNT] = "Automount",
1346 [UNIT_SNAPSHOT] = "Snapshot",
1347 [UNIT_SWAP] = "Swap",
1348 [UNIT_PATH] = "Path"
1351 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1352 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1353 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1354 { "User", config_parse_string, &(context).user, section }, \
1355 { "Group", config_parse_string, &(context).group, section }, \
1356 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1357 { "Nice", config_parse_nice, &(context), section }, \
1358 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1359 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1360 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1361 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1362 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1363 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1364 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1365 { "UMask", config_parse_mode, &(context).umask, section }, \
1366 { "Environment", config_parse_strv, &(context).environment, section }, \
1367 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1368 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1369 { "StandardError", config_parse_output, &(context).std_error, section }, \
1370 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1371 { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
1372 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1373 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1374 { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \
1375 { "Capabilities", config_parse_capabilities, &(context), section }, \
1376 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1377 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1378 { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
1379 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1380 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1381 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1382 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1383 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1384 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1385 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1386 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1387 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1388 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1389 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1390 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1391 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1392 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1393 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1394 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1395 { "ControlGroup", config_parse_cgroup, u, section }, \
1396 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1397 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1398 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1399 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1400 { "MountFlags", config_parse_mount_flags, &(context), section }
1402 const ConfigItem items[] = {
1403 { "Names", config_parse_names, u, "Unit" },
1404 { "Description", config_parse_description, u, "Unit" },
1405 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
1406 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
1407 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
1408 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
1409 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
1410 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
1411 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
1412 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
1413 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
1414 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
1415 { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" },
1417 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1418 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1419 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1420 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1421 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1422 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1423 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1424 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1425 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1426 { "Type", config_parse_service_type, &u->service.type, "Service" },
1427 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1428 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1429 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1430 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1431 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1432 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1433 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1434 { "BusName", config_parse_string, &u->service.bus_name, "Service" },
1435 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1437 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1438 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1439 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1440 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1441 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1442 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1443 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1444 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1445 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1446 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1447 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1448 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1449 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1450 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1451 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1452 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1453 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1455 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1456 { "Where", config_parse_path, &u->mount.where, "Mount" },
1457 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1458 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1459 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1460 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1461 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1463 { "Where", config_parse_path, &u->automount.where, "Automount" },
1465 { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" },
1466 { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" },
1468 { "OnActive", config_parse_timer, &u->timer, "Timer" },
1469 { "OnBoot", config_parse_timer, &u->timer, "Timer" },
1470 { "OnStartup", config_parse_timer, &u->timer, "Timer" },
1471 { "OnUnitActive", config_parse_timer, &u->timer, "Timer" },
1472 { "OnUnitInactive", config_parse_timer, &u->timer, "Timer" },
1473 { "Unit", config_parse_timer_unit, &u->timer, "Timer" },
1475 { "PathExists", config_parse_path_spec, &u->path, "Path" },
1476 { "PathChanged", config_parse_path_spec, &u->path, "Path" },
1477 { "DirectoryNotEmpty", config_parse_path_spec, &u->path, "Path" },
1478 { "Unit", config_parse_path_unit, &u->path, "Path" },
1480 { NULL, NULL, NULL, NULL }
1483 #undef EXEC_CONTEXT_CONFIG_ITEMS
1485 const char *sections[3];
1490 char *filename = NULL, *id = NULL;
1494 /* Dirty dirty hack. */
1495 dump_items((FILE*) path, items);
1502 sections[0] = "Unit";
1503 sections[1] = section_table[u->meta.type];
1506 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1509 if (path_is_absolute(path)) {
1511 if (!(filename = strdup(path))) {
1516 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1527 STRV_FOREACH(p, u->meta.manager->unit_path) {
1529 /* Instead of opening the path right away, we manually
1530 * follow all symlinks and add their name to our unit
1531 * name set while doing so */
1532 if (!(filename = path_make_absolute(path, *p))) {
1537 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1546 /* Empty the symlink names for the next run */
1547 while ((sn = set_steal_first(symlink_names)))
1563 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1567 u->meta.load_state = UNIT_MERGED;
1572 /* Now, parse the file contents */
1573 if ((r = config_parse(filename, f, sections, items, u)) < 0)
1576 free(u->meta.fragment_path);
1577 u->meta.fragment_path = filename;
1580 u->meta.load_state = UNIT_LOADED;
1584 while ((k = set_steal_first(symlink_names)))
1587 set_free(symlink_names);
1596 int unit_load_fragment(Unit *u) {
1601 if (u->meta.fragment_path) {
1603 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1610 /* Try to find the unit under its id */
1611 if ((r = load_from_path(u, u->meta.id)) < 0)
1614 /* Try to find an alias we can load this with */
1615 if (u->meta.load_state == UNIT_STUB)
1616 SET_FOREACH(t, u->meta.names, i) {
1618 if (t == u->meta.id)
1621 if ((r = load_from_path(u, t)) < 0)
1624 if (u->meta.load_state != UNIT_STUB)
1628 /* Now, follow the same logic, but look for a template */
1629 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1632 if (!(k = unit_name_template(u->meta.id)))
1635 r = load_from_path(u, k);
1641 if (u->meta.load_state == UNIT_STUB)
1642 SET_FOREACH(t, u->meta.names, i) {
1644 if (t == u->meta.id)
1647 if (!(k = unit_name_template(t)))
1650 r = load_from_path(u, k);
1656 if (u->meta.load_state != UNIT_STUB)
1665 void unit_dump_config_items(FILE *f) {
1666 /* OK, this wins a prize for extreme ugliness. */
1668 load_from_path(NULL, (const void*) f);