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>
34 #include "conf-parser.h"
35 #include "load-fragment.h"
38 #include "securebits.h"
40 #include "unit-name.h"
42 #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \
43 static int function( \
44 const char *filename, \
46 const char *section, \
59 if ((x = name##_from_string(rvalue)) < 0) { \
60 log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \
69 static int config_parse_deps(
78 UnitDependency d = PTR_TO_UINT(data);
88 FOREACH_WORD(w, l, rvalue, state) {
92 if (!(t = strndup(w, l)))
95 k = unit_name_printf(u, t);
101 r = unit_add_dependency_by_name(u, d, k, NULL, true);
111 static int config_parse_names(
112 const char *filename,
130 FOREACH_WORD(w, l, rvalue, state) {
134 if (!(t = strndup(w, l)))
137 k = unit_name_printf(u, t);
143 r = unit_merge_by_name(u, k);
153 static int config_parse_description(
154 const char *filename,
170 if (!(k = unit_full_printf(u, rvalue)))
173 free(u->meta.description);
176 u->meta.description = k;
179 u->meta.description = NULL;
185 static int config_parse_listen(
186 const char *filename,
205 if (!(p = new0(SocketPort, 1)))
208 if (streq(lvalue, "ListenFIFO")) {
209 p->type = SOCKET_FIFO;
211 if (!(p->path = strdup(rvalue))) {
216 p->type = SOCKET_SOCKET;
218 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
219 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
224 if (streq(lvalue, "ListenStream"))
225 p->address.type = SOCK_STREAM;
226 else if (streq(lvalue, "ListenDatagram"))
227 p->address.type = SOCK_DGRAM;
229 assert(streq(lvalue, "ListenSequentialPacket"));
230 p->address.type = SOCK_SEQPACKET;
233 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
235 return -EPROTONOSUPPORT;
240 LIST_PREPEND(SocketPort, port, s->ports, p);
245 static int config_parse_socket_bind(
246 const char *filename,
264 if ((r = parse_boolean(rvalue)) < 0) {
265 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
269 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
274 static int config_parse_nice(
275 const char *filename,
283 ExecContext *c = data;
291 if ((r = safe_atoi(rvalue, &priority)) < 0) {
292 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
296 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
297 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
307 static int config_parse_oom_adjust(
308 const char *filename,
316 ExecContext *c = data;
324 if ((r = safe_atoi(rvalue, &oa)) < 0) {
325 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
329 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
330 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
335 c->oom_adjust_set = true;
340 static int config_parse_mode(
341 const char *filename,
359 l = strtol(rvalue, &x, 8);
360 if (!x || *x || errno) {
361 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
362 return errno ? -errno : -EINVAL;
365 if (l < 0000 || l > 07777) {
366 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
374 static int config_parse_exec(
375 const char *filename,
383 ExecCommand **e = data, *nce = NULL;
396 FOREACH_WORD_QUOTED(w, l, rvalue, state)
399 if (!(n = new(char*, k+1)))
403 FOREACH_WORD_QUOTED(w, l, rvalue, state)
404 if (!(n[k++] = strndup(w, l)))
409 if (!n[0] || !path_is_absolute(n[0])) {
410 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
415 if (!(nce = new0(ExecCommand, 1)))
419 if (!(nce->path = strdup(n[0])))
422 exec_command_append_list(e, nce);
436 static int config_parse_usec(
437 const char *filename,
453 if ((r = parse_usec(rvalue, usec)) < 0) {
454 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
461 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
462 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
464 static int config_parse_bindtodevice(
465 const char *filename,
481 if (rvalue[0] && !streq(rvalue, "*")) {
482 if (!(n = strdup(rvalue)))
487 free(s->bind_to_device);
488 s->bind_to_device = n;
493 DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
494 DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
496 static int config_parse_facility(
497 const char *filename,
513 if ((x = log_facility_from_string(rvalue)) < 0) {
514 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
518 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
523 static int config_parse_level(
524 const char *filename,
540 if ((x = log_level_from_string(rvalue)) < 0) {
541 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
545 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
549 static int config_parse_io_class(
550 const char *filename,
558 ExecContext *c = data;
566 if ((x = ioprio_class_from_string(rvalue)) < 0) {
567 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
571 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
572 c->ioprio_set = true;
577 static int config_parse_io_priority(
578 const char *filename,
586 ExecContext *c = data;
594 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
595 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
599 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
600 c->ioprio_set = true;
605 static int config_parse_cpu_sched_policy(
606 const char *filename,
615 ExecContext *c = data;
623 if ((x = sched_policy_from_string(rvalue)) < 0) {
624 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
628 c->cpu_sched_policy = x;
629 c->cpu_sched_set = true;
634 static int config_parse_cpu_sched_prio(
635 const char *filename,
643 ExecContext *c = data;
651 /* On Linux RR/FIFO have the same range */
652 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
653 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
657 c->cpu_sched_priority = i;
658 c->cpu_sched_set = true;
663 static int config_parse_cpu_affinity(
664 const char *filename,
672 ExecContext *c = data;
682 FOREACH_WORD(w, l, rvalue, state) {
687 if (!(t = strndup(w, l)))
690 r = safe_atou(t, &cpu);
693 if (r < 0 || cpu >= CPU_SETSIZE) {
694 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
698 CPU_SET(cpu, &c->cpu_affinity);
701 c->cpu_affinity_set = true;
706 static int config_parse_capabilities(
707 const char *filename,
715 ExecContext *c = data;
723 if (!(cap = cap_from_text(rvalue))) {
727 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
732 cap_free(c->capabilities);
733 c->capabilities = cap;
738 static int config_parse_secure_bits(
739 const char *filename,
747 ExecContext *c = data;
757 FOREACH_WORD(w, l, rvalue, state) {
758 if (first_word(w, "keep-caps"))
759 c->secure_bits |= SECURE_KEEP_CAPS;
760 else if (first_word(w, "keep-caps-locked"))
761 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
762 else if (first_word(w, "no-setuid-fixup"))
763 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
764 else if (first_word(w, "no-setuid-fixup-locked"))
765 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
766 else if (first_word(w, "noroot"))
767 c->secure_bits |= SECURE_NOROOT;
768 else if (first_word(w, "noroot-locked"))
769 c->secure_bits |= SECURE_NOROOT_LOCKED;
771 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
779 static int config_parse_bounding_set(
780 const char *filename,
788 ExecContext *c = data;
798 FOREACH_WORD(w, l, rvalue, state) {
803 if (!(t = strndup(w, l)))
806 r = cap_from_name(t, &cap);
810 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
814 c->capability_bounding_set_drop |= 1 << cap;
820 static int config_parse_timer_slack_ns(
821 const char *filename,
829 ExecContext *c = data;
838 if ((r = safe_atolu(rvalue, &u)) < 0) {
839 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
843 c->timer_slack_ns = u;
848 static int config_parse_limit(
849 const char *filename,
857 struct rlimit **rl = data;
858 unsigned long long u;
866 if ((r = safe_atollu(rvalue, &u)) < 0) {
867 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
872 if (!(*rl = new(struct rlimit, 1)))
875 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
879 static int config_parse_cgroup(
880 const char *filename,
893 FOREACH_WORD(w, l, rvalue, state) {
897 if (!(t = strndup(w, l)))
900 r = unit_add_cgroup_from_text(u, t);
910 static int config_parse_sysv_priority(
911 const char *filename,
919 int *priority = data;
927 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
928 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
936 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
938 static int config_parse_mount_flags(
939 const char *filename,
947 ExecContext *c = data;
951 unsigned long flags = 0;
958 FOREACH_WORD(w, l, rvalue, state) {
959 if (strncmp(w, "shared", l) == 0)
961 else if (strncmp(w, "slave", l) == 0)
963 else if (strncmp(w, "private", l) == 0)
966 log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
971 c->mount_flags = flags;
977 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
988 /* This will update the filename pointer if the loaded file is
989 * reached by a symlink. The old string will be freed. */
992 char *target, *k, *name;
994 if (c++ >= FOLLOW_MAX)
997 path_kill_slashes(*filename);
999 /* Add the file name we are currently looking at to
1000 * the names of this unit */
1001 name = file_name_from_path(*filename);
1002 if (!(id = set_get(names, name))) {
1004 if (!(id = strdup(name)))
1007 if ((r = set_put(names, id)) < 0) {
1013 /* Try to open the file name, but don't if its a symlink */
1014 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
1020 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
1021 if ((r = readlink_malloc(*filename, &target)) < 0)
1024 k = file_in_same_dir(*filename, target);
1034 if (!(f = fdopen(fd, "r"))) {
1036 close_nointr_nofail(fd);
1045 static int merge_by_names(Unit **u, Set *names, const char *id) {
1053 /* Let's try to add in all symlink names we found */
1054 while ((k = set_steal_first(names))) {
1056 /* First try to merge in the other name into our
1058 if ((r = unit_merge_by_name(*u, k)) < 0) {
1061 /* Hmm, we couldn't merge the other unit into
1062 * ours? Then let's try it the other way
1065 other = manager_get_unit((*u)->meta.manager, k);
1069 if ((r = unit_merge(other, *u)) >= 0) {
1071 return merge_by_names(u, names, NULL);
1078 unit_choose_id(*u, id);
1086 static void dump_items(FILE *f, const ConfigItem *items) {
1087 const ConfigItem *i;
1088 const char *prev_section = NULL;
1089 bool not_first = false;
1092 ConfigParserCallback callback;
1095 { config_parse_int, "INTEGER" },
1096 { config_parse_unsigned, "UNSIGNED" },
1097 { config_parse_size, "SIZE" },
1098 { config_parse_bool, "BOOLEAN" },
1099 { config_parse_string, "STRING" },
1100 { config_parse_path, "PATH" },
1101 { config_parse_strv, "STRING [...]" },
1102 { config_parse_nice, "NICE" },
1103 { config_parse_oom_adjust, "OOMADJUST" },
1104 { config_parse_io_class, "IOCLASS" },
1105 { config_parse_io_priority, "IOPRIORITY" },
1106 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1107 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1108 { config_parse_cpu_affinity, "CPUAFFINITY" },
1109 { config_parse_mode, "MODE" },
1110 { config_parse_output, "OUTPUT" },
1111 { config_parse_input, "INPUT" },
1112 { config_parse_facility, "FACILITY" },
1113 { config_parse_level, "LEVEL" },
1114 { config_parse_capabilities, "CAPABILITIES" },
1115 { config_parse_secure_bits, "SECUREBITS" },
1116 { config_parse_bounding_set, "BOUNDINGSET" },
1117 { config_parse_timer_slack_ns, "TIMERSLACK" },
1118 { config_parse_limit, "LIMIT" },
1119 { config_parse_cgroup, "CGROUP [...]" },
1120 { config_parse_deps, "UNIT [...]" },
1121 { config_parse_names, "UNIT [...]" },
1122 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1123 { config_parse_service_type, "SERVICETYPE" },
1124 { config_parse_service_restart, "SERVICERESTART" },
1125 { config_parse_sysv_priority, "SYSVPRIORITY" },
1126 { config_parse_kill_mode, "KILLMODE" },
1127 { config_parse_listen, "SOCKET [...]" },
1128 { config_parse_socket_bind, "SOCKETBIND" },
1129 { config_parse_bindtodevice, "NETWORKINTERFACE" },
1130 { config_parse_usec, "SECONDS" },
1131 { config_parse_path_strv, "PATH [...]" },
1132 { config_parse_mount_flags, "MOUNTFLAG [...]" },
1133 { config_parse_description, "DESCRIPTION" },
1139 for (i = items; i->lvalue; i++) {
1141 const char *rvalue = "OTHER";
1143 if (!streq_ptr(i->section, prev_section)) {
1149 fprintf(f, "[%s]\n", i->section);
1150 prev_section = i->section;
1153 for (j = 0; j < ELEMENTSOF(table); j++)
1154 if (i->parse == table[j].callback) {
1155 rvalue = table[j].rvalue;
1159 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1163 static int load_from_path(Unit *u, const char *path) {
1165 static const char* const section_table[_UNIT_TYPE_MAX] = {
1166 [UNIT_SERVICE] = "Service",
1167 [UNIT_TIMER] = "Timer",
1168 [UNIT_SOCKET] = "Socket",
1169 [UNIT_TARGET] = "Target",
1170 [UNIT_DEVICE] = "Device",
1171 [UNIT_MOUNT] = "Mount",
1172 [UNIT_AUTOMOUNT] = "Automount",
1173 [UNIT_SNAPSHOT] = "Snapshot"
1176 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1177 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1178 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1179 { "User", config_parse_string, &(context).user, section }, \
1180 { "Group", config_parse_string, &(context).group, section }, \
1181 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1182 { "Nice", config_parse_nice, &(context), section }, \
1183 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1184 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1185 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1186 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1187 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1188 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1189 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1190 { "UMask", config_parse_mode, &(context).umask, section }, \
1191 { "Environment", config_parse_strv, &(context).environment, section }, \
1192 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1193 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1194 { "StandardError", config_parse_output, &(context).std_output, section }, \
1195 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1196 { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
1197 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1198 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1199 { "Capabilities", config_parse_capabilities, &(context), section }, \
1200 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1201 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1202 { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
1203 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1204 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1205 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1206 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1207 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1208 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1209 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1210 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1211 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1212 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1213 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1214 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1215 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1216 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1217 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1218 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1219 { "ControlGroup", config_parse_cgroup, u, section }, \
1220 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1221 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1222 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1223 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1224 { "MountFlags", config_parse_mount_flags, &(context), section }
1226 const ConfigItem items[] = {
1227 { "Names", config_parse_names, u, "Unit" },
1228 { "Description", config_parse_description, u, "Unit" },
1229 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
1230 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
1231 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
1232 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
1233 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
1234 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
1235 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
1236 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
1237 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
1238 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
1240 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1241 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1242 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1243 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1244 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1245 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1246 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1247 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1248 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1249 { "Type", config_parse_service_type, &u->service.type, "Service" },
1250 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1251 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1252 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1253 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1254 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1255 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1256 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1257 { "BusName", config_parse_string, &u->service.bus_name, "Service" },
1258 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1260 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1261 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1262 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1263 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1264 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1265 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1266 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1267 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1268 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1269 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1270 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1271 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1272 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1273 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1274 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1275 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1276 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1278 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1279 { "Where", config_parse_path, &u->mount.where, "Mount" },
1280 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1281 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1282 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1283 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1284 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1286 { "Where", config_parse_path, &u->automount.where, "Automount" },
1288 { NULL, NULL, NULL, NULL }
1291 #undef EXEC_CONTEXT_CONFIG_ITEMS
1293 const char *sections[3];
1298 char *filename = NULL, *id = NULL;
1302 /* Dirty dirty hack. */
1303 dump_items((FILE*) path, items);
1310 sections[0] = "Unit";
1311 sections[1] = section_table[u->meta.type];
1314 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1317 if (path_is_absolute(path)) {
1319 if (!(filename = strdup(path))) {
1324 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1335 STRV_FOREACH(p, u->meta.manager->unit_path) {
1337 /* Instead of opening the path right away, we manually
1338 * follow all symlinks and add their name to our unit
1339 * name set while doing so */
1340 if (!(filename = path_make_absolute(path, *p))) {
1345 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1354 /* Empty the symlink names for the next run */
1355 while ((sn = set_steal_first(symlink_names)))
1371 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1375 u->meta.load_state = UNIT_MERGED;
1380 /* Now, parse the file contents */
1381 if ((r = config_parse(filename, f, sections, items, u)) < 0)
1384 free(u->meta.fragment_path);
1385 u->meta.fragment_path = filename;
1388 u->meta.load_state = UNIT_LOADED;
1392 while ((k = set_steal_first(symlink_names)))
1395 set_free(symlink_names);
1404 int unit_load_fragment(Unit *u) {
1409 if (u->meta.fragment_path) {
1411 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1418 /* Try to find the unit under its id */
1419 if ((r = load_from_path(u, u->meta.id)) < 0)
1422 /* Try to find an alias we can load this with */
1423 if (u->meta.load_state == UNIT_STUB)
1424 SET_FOREACH(t, u->meta.names, i) {
1426 if (t == u->meta.id)
1429 if ((r = load_from_path(u, t)) < 0)
1432 if (u->meta.load_state != UNIT_STUB)
1436 /* Now, follow the same logic, but look for a template */
1437 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1440 if (!(k = unit_name_template(u->meta.id)))
1443 r = load_from_path(u, k);
1449 if (u->meta.load_state == UNIT_STUB)
1450 SET_FOREACH(t, u->meta.names, i) {
1452 if (t == u->meta.id)
1455 if (!(k = unit_name_template(t)))
1458 r = load_from_path(u, k);
1464 if (u->meta.load_state != UNIT_STUB)
1473 void unit_dump_config_items(FILE *f) {
1474 /* OK, this wins a prize for extreme ugliness. */
1476 load_from_path(NULL, (const void*) f);