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>
33 #include "conf-parser.h"
34 #include "load-fragment.h"
37 #include "securebits.h"
39 #include "unit-name.h"
41 #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \
42 static int function( \
43 const char *filename, \
45 const char *section, \
58 if ((x = name##_from_string(rvalue)) < 0) { \
59 log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \
68 static int config_parse_deps(
77 UnitDependency d = PTR_TO_UINT(data);
87 FOREACH_WORD(w, l, rvalue, state) {
91 if (!(t = strndup(w, l)))
94 k = unit_name_printf(u, t);
100 r = unit_add_dependency_by_name(u, d, k, NULL);
110 static int config_parse_names(
111 const char *filename,
129 FOREACH_WORD(w, l, rvalue, state) {
133 if (!(t = strndup(w, l)))
136 k = unit_name_printf(u, t);
142 r = unit_merge_by_name(u, k);
152 static int config_parse_listen(
153 const char *filename,
172 if (!(p = new0(SocketPort, 1)))
175 if (streq(lvalue, "ListenFIFO")) {
176 p->type = SOCKET_FIFO;
178 if (!(p->path = strdup(rvalue))) {
183 p->type = SOCKET_SOCKET;
185 if ((r = socket_address_parse(&p->address, rvalue)) < 0) {
186 log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue);
191 if (streq(lvalue, "ListenStream"))
192 p->address.type = SOCK_STREAM;
193 else if (streq(lvalue, "ListenDatagram"))
194 p->address.type = SOCK_DGRAM;
196 assert(streq(lvalue, "ListenSequentialPacket"));
197 p->address.type = SOCK_SEQPACKET;
200 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
202 return -EPROTONOSUPPORT;
207 LIST_PREPEND(SocketPort, port, s->ports, p);
212 static int config_parse_socket_bind(
213 const char *filename,
231 if ((r = parse_boolean(rvalue)) < 0) {
232 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue);
236 s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
241 static int config_parse_nice(
242 const char *filename,
250 ExecContext *c = data;
258 if ((r = safe_atoi(rvalue, &priority)) < 0) {
259 log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue);
263 if (priority < PRIO_MIN || priority >= PRIO_MAX) {
264 log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue);
274 static int config_parse_oom_adjust(
275 const char *filename,
283 ExecContext *c = data;
291 if ((r = safe_atoi(rvalue, &oa)) < 0) {
292 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue);
296 if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) {
297 log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue);
302 c->oom_adjust_set = true;
307 static int config_parse_mode(
308 const char *filename,
326 l = strtol(rvalue, &x, 8);
327 if (!x || *x || errno) {
328 log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue);
329 return errno ? -errno : -EINVAL;
332 if (l < 0000 || l > 07777) {
333 log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue);
341 static int config_parse_exec(
342 const char *filename,
350 ExecCommand **e = data, *nce = NULL;
363 FOREACH_WORD_QUOTED(w, l, rvalue, state)
366 if (!(n = new(char*, k+1)))
370 FOREACH_WORD_QUOTED(w, l, rvalue, state)
371 if (!(n[k++] = strndup(w, l)))
376 if (!n[0] || !path_is_absolute(n[0])) {
377 log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
382 if (!(nce = new0(ExecCommand, 1)))
386 if (!(nce->path = strdup(n[0])))
389 exec_command_append_list(e, nce);
403 static int config_parse_usec(
404 const char *filename,
413 unsigned long long u;
421 if ((r = safe_atollu(rvalue, &u)) < 0) {
422 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
426 /* We actually assume the user configures seconds. Later on we
427 * might choose to support suffixes for time values, to
428 * configure bigger or smaller units */
430 *usec = u * USEC_PER_SEC;
435 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
436 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
438 static int config_parse_bindtodevice(
439 const char *filename,
455 if (rvalue[0] && !streq(rvalue, "*")) {
456 if (!(n = strdup(rvalue)))
461 free(s->bind_to_device);
462 s->bind_to_device = n;
467 DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
468 DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
470 static int config_parse_facility(
471 const char *filename,
487 if ((x = log_facility_from_string(rvalue)) < 0) {
488 log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue);
492 *o = LOG_MAKEPRI(x, LOG_PRI(*o));
497 static int config_parse_level(
498 const char *filename,
514 if ((x = log_level_from_string(rvalue)) < 0) {
515 log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue);
519 *o = LOG_MAKEPRI(LOG_FAC(*o), x);
523 static int config_parse_io_class(
524 const char *filename,
532 ExecContext *c = data;
540 if ((x = ioprio_class_from_string(rvalue)) < 0) {
541 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue);
545 c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
546 c->ioprio_set = true;
551 static int config_parse_io_priority(
552 const char *filename,
560 ExecContext *c = data;
568 if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
569 log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
573 c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
574 c->ioprio_set = true;
579 static int config_parse_cpu_sched_policy(
580 const char *filename,
589 ExecContext *c = data;
597 if ((x = sched_policy_from_string(rvalue)) < 0) {
598 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue);
602 c->cpu_sched_policy = x;
603 c->cpu_sched_set = true;
608 static int config_parse_cpu_sched_prio(
609 const char *filename,
617 ExecContext *c = data;
625 /* On Linux RR/FIFO have the same range */
626 if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
627 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue);
631 c->cpu_sched_priority = i;
632 c->cpu_sched_set = true;
637 static int config_parse_cpu_affinity(
638 const char *filename,
646 ExecContext *c = data;
656 FOREACH_WORD(w, l, rvalue, state) {
661 if (!(t = strndup(w, l)))
664 r = safe_atou(t, &cpu);
667 if (r < 0 || cpu >= CPU_SETSIZE) {
668 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
672 CPU_SET(cpu, &c->cpu_affinity);
675 c->cpu_affinity_set = true;
680 static int config_parse_capabilities(
681 const char *filename,
689 ExecContext *c = data;
697 if (!(cap = cap_from_text(rvalue))) {
701 log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue);
706 cap_free(c->capabilities);
707 c->capabilities = cap;
712 static int config_parse_secure_bits(
713 const char *filename,
721 ExecContext *c = data;
731 FOREACH_WORD(w, l, rvalue, state) {
732 if (first_word(w, "keep-caps"))
733 c->secure_bits |= SECURE_KEEP_CAPS;
734 else if (first_word(w, "keep-caps-locked"))
735 c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
736 else if (first_word(w, "no-setuid-fixup"))
737 c->secure_bits |= SECURE_NO_SETUID_FIXUP;
738 else if (first_word(w, "no-setuid-fixup-locked"))
739 c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
740 else if (first_word(w, "noroot"))
741 c->secure_bits |= SECURE_NOROOT;
742 else if (first_word(w, "noroot-locked"))
743 c->secure_bits |= SECURE_NOROOT_LOCKED;
745 log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue);
753 static int config_parse_bounding_set(
754 const char *filename,
762 ExecContext *c = data;
772 FOREACH_WORD(w, l, rvalue, state) {
777 if (!(t = strndup(w, l)))
780 r = cap_from_name(t, &cap);
784 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue);
788 c->capability_bounding_set_drop |= 1 << cap;
794 static int config_parse_timer_slack_ns(
795 const char *filename,
803 ExecContext *c = data;
812 if ((r = safe_atolu(rvalue, &u)) < 0) {
813 log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue);
817 c->timer_slack_ns = u;
822 static int config_parse_limit(
823 const char *filename,
831 struct rlimit **rl = data;
832 unsigned long long u;
840 if ((r = safe_atollu(rvalue, &u)) < 0) {
841 log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue);
846 if (!(*rl = new(struct rlimit, 1)))
849 (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
853 static int config_parse_cgroup(
854 const char *filename,
867 FOREACH_WORD(w, l, rvalue, state) {
871 if (!(t = strndup(w, l)))
874 r = unit_add_cgroup_from_text(u, t);
884 static int config_parse_sysv_priority(
885 const char *filename,
893 int *priority = data;
901 if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) {
902 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue);
910 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
914 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
925 /* This will update the filename pointer if the loaded file is
926 * reached by a symlink. The old string will be freed. */
929 char *target, *k, *name;
931 if (c++ >= FOLLOW_MAX)
934 path_kill_slashes(*filename);
936 /* Add the file name we are currently looking at to
937 * the names of this unit */
938 name = file_name_from_path(*filename);
939 if (!(id = set_get(names, name))) {
941 if (!(id = strdup(name)))
944 if ((r = set_put(names, id)) < 0) {
950 /* Try to open the file name, but don't if its a symlink */
951 if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
957 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
958 if ((r = readlink_malloc(*filename, &target)) < 0)
961 k = file_in_same_dir(*filename, target);
971 if (!(f = fdopen(fd, "r"))) {
973 close_nointr_nofail(fd);
982 static int merge_by_names(Unit **u, Set *names, const char *id) {
990 /* Let's try to add in all symlink names we found */
991 while ((k = set_steal_first(names))) {
993 /* First try to merge in the other name into our
995 if ((r = unit_merge_by_name(*u, k)) < 0) {
998 /* Hmm, we couldn't merge the other unit into
999 * ours? Then let's try it the other way
1002 other = manager_get_unit((*u)->meta.manager, k);
1006 if ((r = unit_merge(other, *u)) >= 0) {
1008 return merge_by_names(u, names, NULL);
1015 unit_choose_id(*u, id);
1023 static void dump_items(FILE *f, const ConfigItem *items) {
1024 const ConfigItem *i;
1025 const char *prev_section = NULL;
1026 bool not_first = false;
1029 ConfigParserCallback callback;
1032 { config_parse_int, "INTEGER" },
1033 { config_parse_unsigned, "UNSIGNED" },
1034 { config_parse_size, "SIZE" },
1035 { config_parse_bool, "BOOLEAN" },
1036 { config_parse_string, "STRING" },
1037 { config_parse_path, "PATH" },
1038 { config_parse_strv, "STRING [...]" },
1039 { config_parse_nice, "NICE" },
1040 { config_parse_oom_adjust, "OOMADJUST" },
1041 { config_parse_io_class, "IOCLASS" },
1042 { config_parse_io_priority, "IOPRIORITY" },
1043 { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" },
1044 { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" },
1045 { config_parse_cpu_affinity, "CPUAFFINITY" },
1046 { config_parse_mode, "MODE" },
1047 { config_parse_output, "OUTPUT" },
1048 { config_parse_input, "INPUT" },
1049 { config_parse_facility, "FACILITY" },
1050 { config_parse_level, "LEVEL" },
1051 { config_parse_capabilities, "CAPABILITIES" },
1052 { config_parse_secure_bits, "SECUREBITS" },
1053 { config_parse_bounding_set, "BOUNDINGSET" },
1054 { config_parse_timer_slack_ns, "TIMERSLACK" },
1055 { config_parse_limit, "LIMIT" },
1056 { config_parse_cgroup, "CGROUP [...]" },
1057 { config_parse_deps, "UNIT [...]" },
1058 { config_parse_names, "UNIT [...]" },
1059 { config_parse_exec, "PATH [ARGUMENT [...]]" },
1060 { config_parse_service_type, "SERVICETYPE" },
1061 { config_parse_service_restart, "SERVICERESTART" },
1062 { config_parse_sysv_priority, "SYSVPRIORITY" },
1063 { config_parse_kill_mode, "KILLMODE" },
1064 { config_parse_listen, "SOCKET [...]" },
1065 { config_parse_socket_bind, "SOCKETBIND" },
1066 { config_parse_bindtodevice, "NETWORKINTERFACE" }
1072 for (i = items; i->lvalue; i++) {
1074 const char *rvalue = "OTHER";
1076 if (!streq_ptr(i->section, prev_section)) {
1082 fprintf(f, "[%s]\n", i->section);
1083 prev_section = i->section;
1086 for (j = 0; j < ELEMENTSOF(table); j++)
1087 if (i->parse == table[j].callback) {
1088 rvalue = table[j].rvalue;
1092 fprintf(f, "%s=%s\n", i->lvalue, rvalue);
1096 static int load_from_path(Unit *u, const char *path) {
1098 static const char* const section_table[_UNIT_TYPE_MAX] = {
1099 [UNIT_SERVICE] = "Service",
1100 [UNIT_TIMER] = "Timer",
1101 [UNIT_SOCKET] = "Socket",
1102 [UNIT_TARGET] = "Target",
1103 [UNIT_DEVICE] = "Device",
1104 [UNIT_MOUNT] = "Mount",
1105 [UNIT_AUTOMOUNT] = "Automount",
1106 [UNIT_SNAPSHOT] = "Snapshot"
1109 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1110 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1111 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1112 { "User", config_parse_string, &(context).user, section }, \
1113 { "Group", config_parse_string, &(context).group, section }, \
1114 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1115 { "Nice", config_parse_nice, &(context), section }, \
1116 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1117 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1118 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1119 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1120 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1121 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1122 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1123 { "UMask", config_parse_mode, &(context).umask, section }, \
1124 { "Environment", config_parse_strv, &(context).environment, section }, \
1125 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1126 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1127 { "StandardError", config_parse_output, &(context).std_output, section }, \
1128 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1129 { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \
1130 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1131 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1132 { "Capabilities", config_parse_capabilities, &(context), section }, \
1133 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1134 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1135 { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \
1136 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1137 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1138 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1139 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1140 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1141 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1142 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1143 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1144 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1145 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1146 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1147 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1148 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1149 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1150 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1151 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1152 { "ControlGroup", config_parse_cgroup, u, section }
1154 const ConfigItem items[] = {
1155 { "Names", config_parse_names, u, "Meta" },
1156 { "Description", config_parse_string, &u->meta.description, "Meta" },
1157 { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Meta" },
1158 { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Meta" },
1159 { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Meta" },
1160 { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Meta" },
1161 { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Meta" },
1162 { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Meta" },
1163 { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Meta" },
1164 { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Meta" },
1165 { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Meta" },
1166 { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Meta" },
1168 { "PIDFile", config_parse_path, &u->service.pid_file, "Service" },
1169 { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" },
1170 { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" },
1171 { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" },
1172 { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" },
1173 { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" },
1174 { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" },
1175 { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" },
1176 { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" },
1177 { "Type", config_parse_service_type, &u->service.type, "Service" },
1178 { "Restart", config_parse_service_restart, &u->service.restart, "Service" },
1179 { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" },
1180 { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" },
1181 { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" },
1182 { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" },
1183 { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" },
1184 { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" },
1185 { "BusName", config_parse_string, &u->service.bus_name, "Service" },
1186 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
1188 { "ListenStream", config_parse_listen, &u->socket, "Socket" },
1189 { "ListenDatagram", config_parse_listen, &u->socket, "Socket" },
1190 { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" },
1191 { "ListenFIFO", config_parse_listen, &u->socket, "Socket" },
1192 { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" },
1193 { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" },
1194 { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" },
1195 { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" },
1196 { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" },
1197 { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" },
1198 { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" },
1199 { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" },
1200 { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" },
1201 { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" },
1202 { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" },
1203 { "Accept", config_parse_bool, &u->socket.accept, "Socket" },
1204 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
1206 { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" },
1207 { "Where", config_parse_path, &u->mount.where, "Mount" },
1208 { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" },
1209 { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" },
1210 { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" },
1211 { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" },
1212 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
1214 { NULL, NULL, NULL, NULL }
1217 #undef EXEC_CONTEXT_CONFIG_ITEMS
1219 const char *sections[3];
1224 char *filename = NULL, *id = NULL;
1228 /* Dirty dirty hack. */
1229 dump_items((FILE*) path, items);
1236 sections[0] = "Meta";
1237 sections[1] = section_table[u->meta.type];
1240 if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
1243 if (path_is_absolute(path)) {
1245 if (!(filename = strdup(path))) {
1250 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1261 STRV_FOREACH(p, u->meta.manager->unit_path) {
1263 /* Instead of opening the path right away, we manually
1264 * follow all symlinks and add their name to our unit
1265 * name set while doing so */
1266 if (!(filename = path_make_absolute(path, *p))) {
1271 if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
1280 /* Empty the symlink names for the next run */
1281 while ((sn = set_steal_first(symlink_names)))
1297 if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
1301 u->meta.load_state = UNIT_MERGED;
1306 /* Now, parse the file contents */
1307 if ((r = config_parse(filename, f, sections, items, u)) < 0)
1310 free(u->meta.fragment_path);
1311 u->meta.fragment_path = filename;
1314 u->meta.load_state = UNIT_LOADED;
1318 while ((k = set_steal_first(symlink_names)))
1321 set_free(symlink_names);
1330 int unit_load_fragment(Unit *u) {
1335 if (u->meta.fragment_path) {
1337 if ((r = load_from_path(u, u->meta.fragment_path)) < 0)
1344 /* Try to find the unit under its id */
1345 if ((r = load_from_path(u, u->meta.id)) < 0)
1348 /* Try to find an alias we can load this with */
1349 if (u->meta.load_state == UNIT_STUB)
1350 SET_FOREACH(t, u->meta.names, i) {
1352 if (t == u->meta.id)
1355 if ((r = load_from_path(u, t)) < 0)
1358 if (u->meta.load_state != UNIT_STUB)
1362 /* Now, follow the same logic, but look for a template */
1363 if (u->meta.load_state == UNIT_STUB && u->meta.instance) {
1366 if (!(k = unit_name_template(u->meta.id)))
1369 r = load_from_path(u, k);
1375 if (u->meta.load_state == UNIT_STUB)
1376 SET_FOREACH(t, u->meta.names, i) {
1378 if (t == u->meta.id)
1381 if (!(k = unit_name_template(t)))
1384 r = load_from_path(u, k);
1390 if (u->meta.load_state != UNIT_STUB)
1399 void unit_dump_config_items(FILE *f) {
1400 /* OK, this wins a prize for extreme ugliness. */
1402 load_from_path(NULL, (const void*) f);