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_listen(
154 const char *filename,
173 if (!(p = new0(SocketPort, 1)))
176 if (streq(lvalue, "ListenFIFO")) {
177 p->type = SOCKET_FIFO;
179 if (!(p->path = strdup(rvalue))) {
184 p->type = SOCKET_SOCKET;
186 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
187 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
192 if (streq(lvalue, "ListenStream"))
193 p->address.type = SOCK_STREAM;
194 else if (streq(lvalue, "ListenDatagram"))
195 p->address.type = SOCK_DGRAM;
197 assert(streq(lvalue, "ListenSequentialPacket"));
198 p->address.type = SOCK_SEQPACKET;
201 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
203 return -EPROTONOSUPPORT;
208 LIST_PREPEND(SocketPort, port, s->ports, p);
213 static int config_parse_socket_bind(
214 const char *filename,
232 if ((r = parse_boolean(rvalue)) < 0) {
233 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
237 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
242 static int config_parse_nice(
243 const char *filename,
251 ExecContext *c = data;
259 if ((r = safe_atoi(rvalue, &priority)) < 0) {
260 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
264 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
265 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
275 static int config_parse_oom_adjust(
276 const char *filename,
284 ExecContext *c = data;
292 if ((r = safe_atoi(rvalue, &oa)) < 0) {
293 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
297 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
298 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
303 c->oom_adjust_set = true;
308 static int config_parse_mode(
309 const char *filename,
327 l = strtol(rvalue, &x, 8);
328 if (!x || *x || errno) {
329 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
330 return errno ? -errno : -EINVAL;
333 if (l < 0000 || l > 07777) {
334 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
342 static int config_parse_exec(
343 const char *filename,
351 ExecCommand **e = data, *nce = NULL;
364 FOREACH_WORD_QUOTED(w, l, rvalue, state)
367 if (!(n = new(char*, k+1)))
371 FOREACH_WORD_QUOTED(w, l, rvalue, state)
372 if (!(n[k++] = strndup(w, l)))
377 if (!n[0] || !path_is_absolute(n[0])) {
378 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
383 if (!(nce = new0(ExecCommand, 1)))
387 if (!(nce->path = strdup(n[0])))
390 exec_command_append_list(e, nce);
404 static int config_parse_usec(
405 const char *filename,
414 unsigned long long u;
422 if ((r = safe_atollu(rvalue, &u)) < 0) {
423 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
427 /* We actually assume the user configures seconds. Later on we
428 * might choose to support suffixes for time values, to
429 * configure bigger or smaller units */
431 *usec = u * USEC_PER_SEC;
436 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
437 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
439 static int config_parse_bindtodevice(
440 const char *filename,
456 if (rvalue[0] && !streq(rvalue, "*")) {
457 if (!(n = strdup(rvalue)))
462 free(s->bind_to_device);
463 s->bind_to_device = n;
468 DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
469 DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
471 static int config_parse_facility(
472 const char *filename,
488 if ((x = log_facility_from_string(rvalue)) < 0) {
489 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
493 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
498 static int config_parse_level(
499 const char *filename,
515 if ((x = log_level_from_string(rvalue)) < 0) {
516 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
520 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
524 static int config_parse_io_class(
525 const char *filename,
533 ExecContext *c = data;
541 if ((x = ioprio_class_from_string(rvalue)) < 0) {
542 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
546 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
547 c->ioprio_set = true;
552 static int config_parse_io_priority(
553 const char *filename,
561 ExecContext *c = data;
569 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
570 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
574 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
575 c->ioprio_set = true;
580 static int config_parse_cpu_sched_policy(
581 const char *filename,
590 ExecContext *c = data;
598 if ((x = sched_policy_from_string(rvalue)) < 0) {
599 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
603 c->cpu_sched_policy = x;
604 c->cpu_sched_set = true;
609 static int config_parse_cpu_sched_prio(
610 const char *filename,
618 ExecContext *c = data;
626 /* On Linux RR/FIFO have the same range */
627 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
628 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
632 c->cpu_sched_priority = i;
633 c->cpu_sched_set = true;
638 static int config_parse_cpu_affinity(
639 const char *filename,
647 ExecContext *c = data;
657 FOREACH_WORD(w, l, rvalue, state) {
662 if (!(t = strndup(w, l)))
665 r = safe_atou(t, &cpu);
668 if (r < 0 || cpu >= CPU_SETSIZE) {
669 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
673 CPU_SET(cpu, &c->cpu_affinity);
676 c->cpu_affinity_set = true;
681 static int config_parse_capabilities(
682 const char *filename,
690 ExecContext *c = data;
698 if (!(cap = cap_from_text(rvalue))) {
702 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
707 cap_free(c->capabilities);
708 c->capabilities = cap;
713 static int config_parse_secure_bits(
714 const char *filename,
722 ExecContext *c = data;
732 FOREACH_WORD(w, l, rvalue, state) {
733 if (first_word(w, "keep-caps"))
734 c->secure_bits |= SECURE_KEEP_CAPS;
735 else if (first_word(w, "keep-caps-locked"))
736 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
737 else if (first_word(w, "no-setuid-fixup"))
738 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
739 else if (first_word(w, "no-setuid-fixup-locked"))
740 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
741 else if (first_word(w, "noroot"))
742 c->secure_bits |= SECURE_NOROOT;
743 else if (first_word(w, "noroot-locked"))
744 c->secure_bits |= SECURE_NOROOT_LOCKED;
746 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
754 static int config_parse_bounding_set(
755 const char *filename,
763 ExecContext *c = data;
773 FOREACH_WORD(w, l, rvalue, state) {
778 if (!(t = strndup(w, l)))
781 r = cap_from_name(t, &cap);
785 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
789 c->capability_bounding_set_drop |= 1 << cap;
795 static int config_parse_timer_slack_ns(
796 const char *filename,
804 ExecContext *c = data;
813 if ((r = safe_atolu(rvalue, &u)) < 0) {
814 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
818 c->timer_slack_ns = u;
823 static int config_parse_limit(
824 const char *filename,
832 struct rlimit **rl = data;
833 unsigned long long u;
841 if ((r = safe_atollu(rvalue, &u)) < 0) {
842 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
847 if (!(*rl = new(struct rlimit, 1)))
850 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
854 static int config_parse_cgroup(
855 const char *filename,
868 FOREACH_WORD(w, l, rvalue, state) {
872 if (!(t = strndup(w, l)))
875 r = unit_add_cgroup_from_text(u, t);
885 static int config_parse_sysv_priority(
886 const char *filename,
894 int *priority = data;
902 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
903 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
911 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
913 static int config_parse_mount_flags(
914 const char *filename,
922 ExecContext *c = data;
926 unsigned long flags = 0;
933 FOREACH_WORD(w, l, rvalue, state) {
934 if (strncmp(w, "shared", l) == 0)
936 else if (strncmp(w, "slave", l) == 0)
938 else if (strncmp(w, "private", l) == 0)
941 log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
946 c->mount_flags = flags;
952 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
963 /* This will update the filename pointer if the loaded file is
964 * reached by a symlink. The old string will be freed. */
967 char *target, *k, *name;
969 if (c++ >= FOLLOW_MAX)
972 path_kill_slashes(*filename);
974 /* Add the file name we are currently looking at to
975 * the names of this unit */
976 name = file_name_from_path(*filename);
977 if (!(id = set_get(names, name))) {
979 if (!(id = strdup(name)))
982 if ((r = set_put(names, id)) < 0) {
988 /* Try to open the file name, but don't if its a symlink */
989 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
995 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
996 if ((r = readlink_malloc(*filename, &target)) < 0)
999 k = file_in_same_dir(*filename, target);
1009 if (!(f = fdopen(fd, "r"))) {
1011 close_nointr_nofail(fd);
1020 static int merge_by_names(Unit **u, Set *names, const char *id) {
1028 /* Let's try to add in all symlink names we found */
1029 while ((k = set_steal_first(names))) {
1031 /* First try to merge in the other name into our
1033 if ((r = unit_merge_by_name(*u, k)) < 0) {
1036 /* Hmm, we couldn't merge the other unit into
1037 * ours? Then let's try it the other way
1040 other = manager_get_unit((*u)->meta.manager, k);
1044 if ((r = unit_merge(other, *u)) >= 0) {
1046 return merge_by_names(u, names, NULL);
1053 unit_choose_id(*u, id);
1061 static void dump_items(FILE *f, const ConfigItem *items) {
1062 const ConfigItem *i;
1063 const char *prev_section = NULL;
1064 bool not_first = false;
1067 ConfigParserCallback callback;
1070 { config_parse_int, "INTEGER" },
1071 { config_parse_unsigned, "UNSIGNED" },
1072 { config_parse_size, "SIZE" },
1073 { config_parse_bool, "BOOLEAN" },
1074 { config_parse_string, "STRING" },
1075 { config_parse_path, "PATH" },
1076 { config_parse_strv, "STRING [...]" },
1077 { config_parse_nice, "NICE" },
1078 { config_parse_oom_adjust, "OOMADJUST" },
1079 { config_parse_io_class, "IOCLASS" },
1080 { config_parse_io_priority, "IOPRIORITY" },
1081 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1082 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1083 { config_parse_cpu_affinity, "CPUAFFINITY" },
1084 { config_parse_mode, "MODE" },
1085 { config_parse_output, "OUTPUT" },
1086 { config_parse_input, "INPUT" },
1087 { config_parse_facility, "FACILITY" },
1088 { config_parse_level, "LEVEL" },
1089 { config_parse_capabilities, "CAPABILITIES" },
1090 { config_parse_secure_bits, "SECUREBITS" },
1091 { config_parse_bounding_set, "BOUNDINGSET" },
1092 { config_parse_timer_slack_ns, "TIMERSLACK" },
1093 { config_parse_limit, "LIMIT" },
1094 { config_parse_cgroup, "CGROUP [...]" },
1095 { config_parse_deps, "UNIT [...]" },
1096 { config_parse_names, "UNIT [...]" },
1097 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1098 { config_parse_service_type, "SERVICETYPE" },
1099 { config_parse_service_restart, "SERVICERESTART" },
1100 { config_parse_sysv_priority, "SYSVPRIORITY" },
1101 { config_parse_kill_mode, "KILLMODE" },
1102 { config_parse_listen, "SOCKET [...]" },
1103 { config_parse_socket_bind, "SOCKETBIND" },
1104 { config_parse_bindtodevice, "NETWORKINTERFACE" }
1110 for (i = items; i->lvalue; i++) {
1112 const char *rvalue = "OTHER";
1114 if (!streq_ptr(i->section, prev_section)) {
1120 fprintf(f, "[%s]\n", i->section);
1121 prev_section = i->section;
1124 for (j = 0; j < ELEMENTSOF(table); j++)
1125 if (i->parse == table[j].callback) {
1126 rvalue = table[j].rvalue;
1130 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1134 static int load_from_path(Unit *u, const char *path) {
1136 static const char* const section_table[_UNIT_TYPE_MAX] = {
1137 [UNIT_SERVICE] = "Service",
1138 [UNIT_TIMER] = "Timer",
1139 [UNIT_SOCKET] = "Socket",
1140 [UNIT_TARGET] = "Target",
1141 [UNIT_DEVICE] = "Device",
1142 [UNIT_MOUNT] = "Mount",
1143 [UNIT_AUTOMOUNT] = "Automount",
1144 [UNIT_SNAPSHOT] = "Snapshot"
1147 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1148 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1149 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1150 { "User", config_parse_string, &(context).user, section }, \
1151 { "Group", config_parse_string, &(context).group, section }, \
1152 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1153 { "Nice", config_parse_nice, &(context), section }, \
1154 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1155 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1156 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1157 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1158 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1159 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1160 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1161 { "UMask", config_parse_mode, &(context).umask, section }, \
1162 { "Environment", config_parse_strv, &(context).environment, section }, \
1163 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1164 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1165 { "StandardError", config_parse_output, &(context).std_output, section }, \
1166 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1167 { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
1168 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1169 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1170 { "Capabilities", config_parse_capabilities, &(context), section }, \
1171 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1172 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1173 { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
1174 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1175 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1176 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1177 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1178 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1179 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1180 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1181 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1182 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1183 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1184 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1185 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1186 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1187 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1188 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1189 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1190 { "ControlGroup", config_parse_cgroup, u, section }, \
1191 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1192 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1193 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1194 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1195 { "MountFlags", config_parse_mount_flags, &(context), section }
1197 const ConfigItem items[] = {
1198 { "Names", config_parse_names, u, "Unit" },
1199 { "Description", config_parse_string, &u->meta.description, "Unit" },
1200 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" },
1201 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" },
1202 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" },
1203 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" },
1204 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" },
1205 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" },
1206 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" },
1207 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" },
1208 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" },
1209 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" },
1211 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1212 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1213 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1214 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1215 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1216 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1217 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1218 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1219 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1220 { "Type", config_parse_service_type, &u->service.type, "Service" },
1221 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1222 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1223 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1224 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1225 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1226 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1227 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1228 { "BusName", config_parse_string, &u->service.bus_name, "Service" },
1229 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1231 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1232 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1233 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1234 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1235 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1236 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1237 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1238 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1239 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1240 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1241 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1242 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1243 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1244 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1245 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1246 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1247 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1249 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1250 { "Where", config_parse_path, &u->mount.where, "Mount" },
1251 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1252 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1253 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1254 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1255 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1257 { "Where", config_parse_path, &u->automount.where, "Automount" },
1259 { NULL, NULL, NULL, NULL }
1262 #undef EXEC_CONTEXT_CONFIG_ITEMS
1264 const char *sections[3];
1269 char *filename = NULL, *id = NULL;
1273 /* Dirty dirty hack. */
1274 dump_items((FILE*) path, items);
1281 sections[0] = "Unit";
1282 sections[1] = section_table[u->meta.type];
1285 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1288 if (path_is_absolute(path)) {
1290 if (!(filename = strdup(path))) {
1295 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1306 STRV_FOREACH(p, u->meta.manager->unit_path) {
1308 /* Instead of opening the path right away, we manually
1309 * follow all symlinks and add their name to our unit
1310 * name set while doing so */
1311 if (!(filename = path_make_absolute(path, *p))) {
1316 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1325 /* Empty the symlink names for the next run */
1326 while ((sn = set_steal_first(symlink_names)))
1342 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1346 u->meta.load_state = UNIT_MERGED;
1351 /* Now, parse the file contents */
1352 if ((r = config_parse(filename, f, sections, items, u)) < 0)
1355 free(u->meta.fragment_path);
1356 u->meta.fragment_path = filename;
1359 u->meta.load_state = UNIT_LOADED;
1363 while ((k = set_steal_first(symlink_names)))
1366 set_free(symlink_names);
1375 int unit_load_fragment(Unit *u) {
1380 if (u->meta.fragment_path) {
1382 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1389 /* Try to find the unit under its id */
1390 if ((r = load_from_path(u, u->meta.id)) < 0)
1393 /* Try to find an alias we can load this with */
1394 if (u->meta.load_state == UNIT_STUB)
1395 SET_FOREACH(t, u->meta.names, i) {
1397 if (t == u->meta.id)
1400 if ((r = load_from_path(u, t)) < 0)
1403 if (u->meta.load_state != UNIT_STUB)
1407 /* Now, follow the same logic, but look for a template */
1408 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1411 if (!(k = unit_name_template(u->meta.id)))
1414 r = load_from_path(u, k);
1420 if (u->meta.load_state == UNIT_STUB)
1421 SET_FOREACH(t, u->meta.names, i) {
1423 if (t == u->meta.id)
1426 if (!(k = unit_name_template(t)))
1429 r = load_from_path(u, k);
1435 if (u->meta.load_state != UNIT_STUB)
1444 void unit_dump_config_items(FILE *f) {
1445 /* OK, this wins a prize for extreme ugliness. */
1447 load_from_path(NULL, (const void*) f);