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 p->type = SOCKET_SOCKET;
219 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
220 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
225 if (streq(lvalue, "ListenStream"))
226 p->address.type = SOCK_STREAM;
227 else if (streq(lvalue, "ListenDatagram"))
228 p->address.type = SOCK_DGRAM;
230 assert(streq(lvalue, "ListenSequentialPacket"));
231 p->address.type = SOCK_SEQPACKET;
234 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
236 return -EPROTONOSUPPORT;
241 LIST_PREPEND(SocketPort, port, s->ports, p);
246 static int config_parse_socket_bind(
247 const char *filename,
256 SocketAddressBindIPv6Only b;
265 if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) {
268 if ((r = parse_boolean(rvalue)) < 0) {
269 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
273 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
275 s->bind_ipv6_only = b;
280 static int config_parse_nice(
281 const char *filename,
289 ExecContext *c = data;
297 if ((r = safe_atoi(rvalue, &priority)) < 0) {
298 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
302 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
303 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
313 static int config_parse_oom_adjust(
314 const char *filename,
322 ExecContext *c = data;
330 if ((r = safe_atoi(rvalue, &oa)) < 0) {
331 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
335 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
336 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
341 c->oom_adjust_set = true;
346 static int config_parse_mode(
347 const char *filename,
365 l = strtol(rvalue, &x, 8);
366 if (!x || *x || errno) {
367 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
368 return errno ? -errno : -EINVAL;
371 if (l < 0000 || l > 07777) {
372 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
380 static int config_parse_exec(
381 const char *filename,
389 ExecCommand **e = data, *nce = NULL;
394 char *state, *path = NULL;
395 bool honour_argv0, write_to_path;
402 /* We accept an absolute path as first argument, or
403 * alternatively an absolute prefixed with @ to allow
404 * overriding of argv[0]. */
406 honour_argv0 = rvalue[0] == '@';
408 if (rvalue[honour_argv0 ? 1 : 0] != '/') {
409 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
414 FOREACH_WORD_QUOTED(w, l, rvalue, state)
417 if (!(n = new(char*, k + (honour_argv0 ? 0 : 1))))
421 write_to_path = honour_argv0;
422 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
424 if (!(path = strndup(w+1, l-1)))
426 write_to_path = false;
428 if (!(n[k++] = strndup(w, l)))
436 log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue);
442 if (!(path = strdup(n[0])))
445 assert(path_is_absolute(path));
447 if (!(nce = new0(ExecCommand, 1)))
453 exec_command_append_list(e, nce);
466 static int config_parse_usec(
467 const char *filename,
483 if ((r = parse_usec(rvalue, usec)) < 0) {
484 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
491 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
492 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
494 static int config_parse_bindtodevice(
495 const char *filename,
511 if (rvalue[0] && !streq(rvalue, "*")) {
512 if (!(n = strdup(rvalue)))
517 free(s->bind_to_device);
518 s->bind_to_device = n;
523 DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
524 DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
526 static int config_parse_facility(
527 const char *filename,
543 if ((x = log_facility_from_string(rvalue)) < 0) {
544 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
548 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
553 static int config_parse_level(
554 const char *filename,
570 if ((x = log_level_from_string(rvalue)) < 0) {
571 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
575 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
579 static int config_parse_io_class(
580 const char *filename,
588 ExecContext *c = data;
596 if ((x = ioprio_class_from_string(rvalue)) < 0) {
597 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
601 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
602 c->ioprio_set = true;
607 static int config_parse_io_priority(
608 const char *filename,
616 ExecContext *c = data;
624 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
625 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
629 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
630 c->ioprio_set = true;
635 static int config_parse_cpu_sched_policy(
636 const char *filename,
645 ExecContext *c = data;
653 if ((x = sched_policy_from_string(rvalue)) < 0) {
654 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
658 c->cpu_sched_policy = x;
659 c->cpu_sched_set = true;
664 static int config_parse_cpu_sched_prio(
665 const char *filename,
673 ExecContext *c = data;
681 /* On Linux RR/FIFO have the same range */
682 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
683 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
687 c->cpu_sched_priority = i;
688 c->cpu_sched_set = true;
693 static int config_parse_cpu_affinity(
694 const char *filename,
702 ExecContext *c = data;
712 FOREACH_WORD(w, l, rvalue, state) {
717 if (!(t = strndup(w, l)))
720 r = safe_atou(t, &cpu);
723 if (r < 0 || cpu >= CPU_SETSIZE) {
724 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
728 CPU_SET(cpu, &c->cpu_affinity);
731 c->cpu_affinity_set = true;
736 static int config_parse_capabilities(
737 const char *filename,
745 ExecContext *c = data;
753 if (!(cap = cap_from_text(rvalue))) {
757 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
762 cap_free(c->capabilities);
763 c->capabilities = cap;
768 static int config_parse_secure_bits(
769 const char *filename,
777 ExecContext *c = data;
787 FOREACH_WORD(w, l, rvalue, state) {
788 if (first_word(w, "keep-caps"))
789 c->secure_bits |= SECURE_KEEP_CAPS;
790 else if (first_word(w, "keep-caps-locked"))
791 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
792 else if (first_word(w, "no-setuid-fixup"))
793 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
794 else if (first_word(w, "no-setuid-fixup-locked"))
795 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
796 else if (first_word(w, "noroot"))
797 c->secure_bits |= SECURE_NOROOT;
798 else if (first_word(w, "noroot-locked"))
799 c->secure_bits |= SECURE_NOROOT_LOCKED;
801 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
809 static int config_parse_bounding_set(
810 const char *filename,
818 ExecContext *c = data;
828 FOREACH_WORD(w, l, rvalue, state) {
833 if (!(t = strndup(w, l)))
836 r = cap_from_name(t, &cap);
840 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
844 c->capability_bounding_set_drop |= 1 << cap;
850 static int config_parse_timer_slack_ns(
851 const char *filename,
859 ExecContext *c = data;
868 if ((r = safe_atolu(rvalue, &u)) < 0) {
869 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
873 c->timer_slack_ns = u;
878 static int config_parse_limit(
879 const char *filename,
887 struct rlimit **rl = data;
888 unsigned long long u;
896 if ((r = safe_atollu(rvalue, &u)) < 0) {
897 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
902 if (!(*rl = new(struct rlimit, 1)))
905 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
909 static int config_parse_cgroup(
910 const char *filename,
923 FOREACH_WORD(w, l, rvalue, state) {
927 if (!(t = strndup(w, l)))
930 r = unit_add_cgroup_from_text(u, t);
940 static int config_parse_sysv_priority(
941 const char *filename,
949 int *priority = data;
957 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
958 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
966 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
968 static int config_parse_mount_flags(
969 const char *filename,
977 ExecContext *c = data;
981 unsigned long flags = 0;
988 FOREACH_WORD(w, l, rvalue, state) {
989 if (strncmp(w, "shared", l) == 0)
991 else if (strncmp(w, "slave", l) == 0)
993 else if (strncmp(w, "private", l) == 0)
996 log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
1001 c->mount_flags = flags;
1005 static int config_parse_timer(
1006 const char *filename,
1008 const char *section,
1025 if ((b = timer_base_from_string(lvalue)) < 0) {
1026 log_error("[%s:%u] Failed to parse timer base: %s", filename, line, lvalue);
1030 if ((r = parse_usec(rvalue, &u)) < 0) {
1031 log_error("[%s:%u] Failed to parse timer value: %s", filename, line, rvalue);
1035 if (!(v = new0(TimerValue, 1)))
1041 LIST_PREPEND(TimerValue, value, t->values, v);
1046 static int config_parse_timer_unit(
1047 const char *filename,
1049 const char *section,
1058 if (endswith(rvalue, ".timer")) {
1059 log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue);
1063 if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) {
1064 log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue);
1071 #define FOLLOW_MAX 8
1073 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
1084 /* This will update the filename pointer if the loaded file is
1085 * reached by a symlink. The old string will be freed. */
1088 char *target, *k, *name;
1090 if (c++ >= FOLLOW_MAX)
1093 path_kill_slashes(*filename);
1095 /* Add the file name we are currently looking at to
1096 * the names of this unit */
1097 name = file_name_from_path(*filename);
1098 if (!(id = set_get(names, name))) {
1100 if (!(id = strdup(name)))
1103 if ((r = set_put(names, id)) < 0) {
1109 /* Try to open the file name, but don't if its a symlink */
1110 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
1116 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
1117 if ((r = readlink_malloc(*filename, &target)) < 0)
1120 k = file_in_same_dir(*filename, target);
1130 if (!(f = fdopen(fd, "r"))) {
1132 close_nointr_nofail(fd);
1141 static int merge_by_names(Unit **u, Set *names, const char *id) {
1149 /* Let's try to add in all symlink names we found */
1150 while ((k = set_steal_first(names))) {
1152 /* First try to merge in the other name into our
1154 if ((r = unit_merge_by_name(*u, k)) < 0) {
1157 /* Hmm, we couldn't merge the other unit into
1158 * ours? Then let's try it the other way
1161 other = manager_get_unit((*u)->meta.manager, k);
1165 if ((r = unit_merge(other, *u)) >= 0) {
1167 return merge_by_names(u, names, NULL);
1174 unit_choose_id(*u, id);
1182 static void dump_items(FILE *f, const ConfigItem *items) {
1183 const ConfigItem *i;
1184 const char *prev_section = NULL;
1185 bool not_first = false;
1188 ConfigParserCallback callback;
1191 { config_parse_int, "INTEGER" },
1192 { config_parse_unsigned, "UNSIGNED" },
1193 { config_parse_size, "SIZE" },
1194 { config_parse_bool, "BOOLEAN" },
1195 { config_parse_string, "STRING" },
1196 { config_parse_path, "PATH" },
1197 { config_parse_strv, "STRING [...]" },
1198 { config_parse_nice, "NICE" },
1199 { config_parse_oom_adjust, "OOMADJUST" },
1200 { config_parse_io_class, "IOCLASS" },
1201 { config_parse_io_priority, "IOPRIORITY" },
1202 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1203 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1204 { config_parse_cpu_affinity, "CPUAFFINITY" },
1205 { config_parse_mode, "MODE" },
1206 { config_parse_output, "OUTPUT" },
1207 { config_parse_input, "INPUT" },
1208 { config_parse_facility, "FACILITY" },
1209 { config_parse_level, "LEVEL" },
1210 { config_parse_capabilities, "CAPABILITIES" },
1211 { config_parse_secure_bits, "SECUREBITS" },
1212 { config_parse_bounding_set, "BOUNDINGSET" },
1213 { config_parse_timer_slack_ns, "TIMERSLACK" },
1214 { config_parse_limit, "LIMIT" },
1215 { config_parse_cgroup, "CGROUP [...]" },
1216 { config_parse_deps, "UNIT [...]" },
1217 { config_parse_names, "UNIT [...]" },
1218 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1219 { config_parse_service_type, "SERVICETYPE" },
1220 { config_parse_service_restart, "SERVICERESTART" },
1221 { config_parse_sysv_priority, "SYSVPRIORITY" },
1222 { config_parse_kill_mode, "KILLMODE" },
1223 { config_parse_listen, "SOCKET [...]" },
1224 { config_parse_socket_bind, "SOCKETBIND" },
1225 { config_parse_bindtodevice, "NETWORKINTERFACE" },
1226 { config_parse_usec, "SECONDS" },
1227 { config_parse_path_strv, "PATH [...]" },
1228 { config_parse_mount_flags, "MOUNTFLAG [...]" },
1229 { config_parse_description, "DESCRIPTION" },
1230 { config_parse_timer, "TIMER" },
1231 { config_parse_timer_unit, "NAME" },
1237 for (i = items; i->lvalue; i++) {
1239 const char *rvalue = "OTHER";
1241 if (!streq_ptr(i->section, prev_section)) {
1247 fprintf(f, "[%s]\n", i->section);
1248 prev_section = i->section;
1251 for (j = 0; j < ELEMENTSOF(table); j++)
1252 if (i->parse == table[j].callback) {
1253 rvalue = table[j].rvalue;
1257 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1261 static int load_from_path(Unit *u, const char *path) {
1263 static const char* const section_table[_UNIT_TYPE_MAX] = {
1264 [UNIT_SERVICE] = "Service",
1265 [UNIT_TIMER] = "Timer",
1266 [UNIT_SOCKET] = "Socket",
1267 [UNIT_TARGET] = "Target",
1268 [UNIT_DEVICE] = "Device",
1269 [UNIT_MOUNT] = "Mount",
1270 [UNIT_AUTOMOUNT] = "Automount",
1271 [UNIT_SNAPSHOT] = "Snapshot",
1272 [UNIT_SWAP] = "Swap"
1275 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1276 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1277 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1278 { "User", config_parse_string, &(context).user, section }, \
1279 { "Group", config_parse_string, &(context).group, section }, \
1280 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1281 { "Nice", config_parse_nice, &(context), section }, \
1282 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1283 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1284 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1285 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1286 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1287 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1288 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1289 { "UMask", config_parse_mode, &(context).umask, section }, \
1290 { "Environment", config_parse_strv, &(context).environment, section }, \
1291 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1292 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1293 { "StandardError", config_parse_output, &(context).std_output, section }, \
1294 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1295 { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
1296 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1297 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1298 { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \
1299 { "Capabilities", config_parse_capabilities, &(context), section }, \
1300 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1301 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1302 { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
1303 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1304 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1305 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1306 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1307 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1308 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1309 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1310 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1311 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1312 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1313 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1314 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1315 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1316 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1317 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1318 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1319 { "ControlGroup", config_parse_cgroup, u, section }, \
1320 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1321 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1322 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1323 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1324 { "MountFlags", config_parse_mount_flags, &(context), section }
1326 const ConfigItem items[] = {
1327 { "Names", config_parse_names, u, "Unit" },
1328 { "Description", config_parse_description, u, "Unit" },
1329 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
1330 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
1331 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
1332 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
1333 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
1334 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
1335 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
1336 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
1337 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
1338 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
1339 { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" },
1341 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1342 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1343 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1344 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1345 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1346 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1347 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1348 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1349 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1350 { "Type", config_parse_service_type, &u->service.type, "Service" },
1351 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1352 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1353 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1354 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1355 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1356 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1357 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1358 { "BusName", config_parse_string, &u->service.bus_name, "Service" },
1359 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1361 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1362 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1363 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1364 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1365 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1366 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1367 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1368 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1369 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1370 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1371 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1372 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1373 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1374 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1375 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1376 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1377 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1379 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1380 { "Where", config_parse_path, &u->mount.where, "Mount" },
1381 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1382 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1383 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1384 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1385 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1387 { "Where", config_parse_path, &u->automount.where, "Automount" },
1389 { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" },
1390 { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" },
1392 { "OnActive", config_parse_timer, &u->timer, "Timer" },
1393 { "OnBoot", config_parse_timer, &u->timer, "Timer" },
1394 { "OnStartup", config_parse_timer, &u->timer, "Timer" },
1395 { "OnUnitActive", config_parse_timer, &u->timer, "Timer" },
1396 { "OnUnitInactive", config_parse_timer, &u->timer, "Timer" },
1397 { "Unit", config_parse_timer_unit, &u->timer, "Timer" },
1399 { NULL, NULL, NULL, NULL }
1402 #undef EXEC_CONTEXT_CONFIG_ITEMS
1404 const char *sections[3];
1409 char *filename = NULL, *id = NULL;
1413 /* Dirty dirty hack. */
1414 dump_items((FILE*) path, items);
1421 sections[0] = "Unit";
1422 sections[1] = section_table[u->meta.type];
1425 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1428 if (path_is_absolute(path)) {
1430 if (!(filename = strdup(path))) {
1435 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1446 STRV_FOREACH(p, u->meta.manager->unit_path) {
1448 /* Instead of opening the path right away, we manually
1449 * follow all symlinks and add their name to our unit
1450 * name set while doing so */
1451 if (!(filename = path_make_absolute(path, *p))) {
1456 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1465 /* Empty the symlink names for the next run */
1466 while ((sn = set_steal_first(symlink_names)))
1482 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1486 u->meta.load_state = UNIT_MERGED;
1491 /* Now, parse the file contents */
1492 if ((r = config_parse(filename, f, sections, items, u)) < 0)
1495 free(u->meta.fragment_path);
1496 u->meta.fragment_path = filename;
1499 u->meta.load_state = UNIT_LOADED;
1503 while ((k = set_steal_first(symlink_names)))
1506 set_free(symlink_names);
1515 int unit_load_fragment(Unit *u) {
1520 if (u->meta.fragment_path) {
1522 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1529 /* Try to find the unit under its id */
1530 if ((r = load_from_path(u, u->meta.id)) < 0)
1533 /* Try to find an alias we can load this with */
1534 if (u->meta.load_state == UNIT_STUB)
1535 SET_FOREACH(t, u->meta.names, i) {
1537 if (t == u->meta.id)
1540 if ((r = load_from_path(u, t)) < 0)
1543 if (u->meta.load_state != UNIT_STUB)
1547 /* Now, follow the same logic, but look for a template */
1548 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1551 if (!(k = unit_name_template(u->meta.id)))
1554 r = load_from_path(u, k);
1560 if (u->meta.load_state == UNIT_STUB)
1561 SET_FOREACH(t, u->meta.names, i) {
1563 if (t == u->meta.id)
1566 if (!(k = unit_name_template(t)))
1569 r = load_from_path(u, k);
1575 if (u->meta.load_state != UNIT_STUB)
1584 void unit_dump_config_items(FILE *f) {
1585 /* OK, this wins a prize for extreme ugliness. */
1587 load_from_path(NULL, (const void*) f);