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"
42 #include "bus-errors.h"
44 #define COMMENTS "#;\n"
46 static int config_parse_deps(
55 UnitDependency d
= PTR_TO_UINT(data
);
65 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
69 if (!(t
= strndup(w
, l
)))
72 k
= unit_name_printf(u
, t
);
78 r
= unit_add_dependency_by_name(u
, d
, k
, NULL
, true);
88 static int config_parse_names(
107 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
111 if (!(t
= strndup(w
, l
)))
114 k
= unit_name_printf(u
, t
);
120 r
= unit_merge_by_name(u
, k
);
130 static int config_parse_string_printf(
131 const char *filename
,
149 if (!(k
= unit_full_printf(u
, rvalue
)))
163 static int config_parse_listen(
164 const char *filename
,
183 if (!(p
= new0(SocketPort
, 1)))
186 if (streq(lvalue
, "ListenFIFO")) {
187 p
->type
= SOCKET_FIFO
;
189 if (!(p
->path
= strdup(rvalue
))) {
194 path_kill_slashes(p
->path
);
196 p
->type
= SOCKET_SOCKET
;
198 if ((r
= socket_address_parse(&p
->address
, rvalue
)) < 0) {
199 log_error("[%s:%u] Failed to parse address value: %s", filename
, line
, rvalue
);
204 if (streq(lvalue
, "ListenStream"))
205 p
->address
.type
= SOCK_STREAM
;
206 else if (streq(lvalue
, "ListenDatagram"))
207 p
->address
.type
= SOCK_DGRAM
;
209 assert(streq(lvalue
, "ListenSequentialPacket"));
210 p
->address
.type
= SOCK_SEQPACKET
;
213 if (socket_address_family(&p
->address
) != AF_LOCAL
&& p
->address
.type
== SOCK_SEQPACKET
) {
215 return -EPROTONOSUPPORT
;
220 LIST_PREPEND(SocketPort
, port
, s
->ports
, p
);
225 static int config_parse_socket_bind(
226 const char *filename
,
235 SocketAddressBindIPv6Only b
;
244 if ((b
= socket_address_bind_ipv6_only_from_string(rvalue
)) < 0) {
247 if ((r
= parse_boolean(rvalue
)) < 0) {
248 log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename
, line
, rvalue
);
252 s
->bind_ipv6_only
= r
? SOCKET_ADDRESS_IPV6_ONLY
: SOCKET_ADDRESS_BOTH
;
254 s
->bind_ipv6_only
= b
;
259 static int config_parse_nice(
260 const char *filename
,
268 ExecContext
*c
= data
;
276 if ((r
= safe_atoi(rvalue
, &priority
)) < 0) {
277 log_error("[%s:%u] Failed to parse nice priority: %s", filename
, line
, rvalue
);
281 if (priority
< PRIO_MIN
|| priority
>= PRIO_MAX
) {
282 log_error("[%s:%u] Nice priority out of range: %s", filename
, line
, rvalue
);
292 static int config_parse_oom_adjust(
293 const char *filename
,
301 ExecContext
*c
= data
;
309 if ((r
= safe_atoi(rvalue
, &oa
)) < 0) {
310 log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename
, line
, rvalue
);
314 if (oa
< OOM_DISABLE
|| oa
> OOM_ADJUST_MAX
) {
315 log_error("[%s:%u] OOM adjust value out of range: %s", filename
, line
, rvalue
);
320 c
->oom_adjust_set
= true;
325 static int config_parse_mode(
326 const char *filename
,
344 l
= strtol(rvalue
, &x
, 8);
345 if (!x
|| *x
|| errno
) {
346 log_error("[%s:%u] Failed to parse mode value: %s", filename
, line
, rvalue
);
347 return errno
? -errno
: -EINVAL
;
350 if (l
< 0000 || l
> 07777) {
351 log_error("[%s:%u] mode value out of range: %s", filename
, line
, rvalue
);
359 static int config_parse_exec(
360 const char *filename
,
368 ExecCommand
**e
= data
, *nce
;
377 /* We accept an absolute path as first argument, or
378 * alternatively an absolute prefixed with @ to allow
379 * overriding of argv[0]. */
385 bool honour_argv0
, write_to_path
;
391 rvalue
+= strspn(rvalue
, WHITESPACE
);
396 honour_argv0
= rvalue
[0] == '@';
398 if (rvalue
[honour_argv0
? 1 : 0] != '/') {
399 log_error("[%s:%u] Invalid executable path in command line: %s", filename
, line
, rvalue
);
404 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
405 if (strncmp(w
, ";", l
) == 0)
411 if (!(n
= new(char*, k
+ (honour_argv0
? 0 : 1))))
415 write_to_path
= honour_argv0
;
416 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
417 if (strncmp(w
, ";", l
) == 0)
421 if (!(path
= cunescape_length(w
+1, l
-1)))
423 write_to_path
= false;
425 if (!(n
[k
++] = cunescape_length(w
, l
)))
433 log_error("[%s:%u] Invalid command line: %s", filename
, line
, rvalue
);
439 if (!(path
= strdup(n
[0])))
442 assert(path_is_absolute(path
));
444 if (!(nce
= new0(ExecCommand
, 1)))
450 path_kill_slashes(nce
->path
);
452 exec_command_append_list(e
, nce
);
468 static int config_parse_usec(
469 const char *filename
,
485 if ((r
= parse_usec(rvalue
, usec
)) < 0) {
486 log_error("[%s:%u] Failed to parse time value: %s", filename
, line
, rvalue
);
493 static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type
, service_type
, ServiceType
, "Failed to parse service type");
494 static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart
, service_restart
, ServiceRestart
, "Failed to parse service restart specifier");
496 static int config_parse_bindtodevice(
497 const char *filename
,
513 if (rvalue
[0] && !streq(rvalue
, "*")) {
514 if (!(n
= strdup(rvalue
)))
519 free(s
->bind_to_device
);
520 s
->bind_to_device
= n
;
525 static DEFINE_CONFIG_PARSE_ENUM(config_parse_output
, exec_output
, ExecOutput
, "Failed to parse output specifier");
526 static DEFINE_CONFIG_PARSE_ENUM(config_parse_input
, exec_input
, ExecInput
, "Failed to parse input specifier");
528 static int config_parse_facility(
529 const char *filename
,
545 if ((x
= log_facility_from_string(rvalue
)) < 0) {
546 log_error("[%s:%u] Failed to parse log facility: %s", filename
, line
, rvalue
);
550 *o
= LOG_MAKEPRI(x
, LOG_PRI(*o
));
555 static int config_parse_level(
556 const char *filename
,
572 if ((x
= log_level_from_string(rvalue
)) < 0) {
573 log_error("[%s:%u] Failed to parse log level: %s", filename
, line
, rvalue
);
577 *o
= LOG_MAKEPRI(LOG_FAC(*o
), x
);
581 static int config_parse_io_class(
582 const char *filename
,
590 ExecContext
*c
= data
;
598 if ((x
= ioprio_class_from_string(rvalue
)) < 0) {
599 log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename
, line
, rvalue
);
603 c
->ioprio
= IOPRIO_PRIO_VALUE(x
, IOPRIO_PRIO_DATA(c
->ioprio
));
604 c
->ioprio_set
= true;
609 static int config_parse_io_priority(
610 const char *filename
,
618 ExecContext
*c
= data
;
626 if (safe_atoi(rvalue
, &i
) < 0 || i
< 0 || i
>= IOPRIO_BE_NR
) {
627 log_error("[%s:%u] Failed to parse io priority: %s", filename
, line
, rvalue
);
631 c
->ioprio
= IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c
->ioprio
), i
);
632 c
->ioprio_set
= true;
637 static int config_parse_cpu_sched_policy(
638 const char *filename
,
647 ExecContext
*c
= data
;
655 if ((x
= sched_policy_from_string(rvalue
)) < 0) {
656 log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename
, line
, rvalue
);
660 c
->cpu_sched_policy
= x
;
661 c
->cpu_sched_set
= true;
666 static int config_parse_cpu_sched_prio(
667 const char *filename
,
675 ExecContext
*c
= data
;
683 /* On Linux RR/FIFO have the same range */
684 if (safe_atoi(rvalue
, &i
) < 0 || i
< sched_get_priority_min(SCHED_RR
) || i
> sched_get_priority_max(SCHED_RR
)) {
685 log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename
, line
, rvalue
);
689 c
->cpu_sched_priority
= i
;
690 c
->cpu_sched_set
= true;
695 static int config_parse_cpu_affinity(
696 const char *filename
,
704 ExecContext
*c
= data
;
714 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
719 if (!(t
= strndup(w
, l
)))
722 r
= safe_atou(t
, &cpu
);
726 if (!(c
->cpuset
= cpu_set_malloc(&c
->cpuset_ncpus
)))
729 if (r
< 0 || cpu
>= c
->cpuset_ncpus
) {
730 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename
, line
, rvalue
);
734 CPU_SET_S(cpu
, CPU_ALLOC_SIZE(c
->cpuset_ncpus
), c
->cpuset
);
740 static int config_parse_capabilities(
741 const char *filename
,
749 ExecContext
*c
= data
;
757 if (!(cap
= cap_from_text(rvalue
))) {
761 log_error("[%s:%u] Failed to parse capabilities: %s", filename
, line
, rvalue
);
766 cap_free(c
->capabilities
);
767 c
->capabilities
= cap
;
772 static int config_parse_secure_bits(
773 const char *filename
,
781 ExecContext
*c
= data
;
791 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
792 if (first_word(w
, "keep-caps"))
793 c
->secure_bits
|= SECURE_KEEP_CAPS
;
794 else if (first_word(w
, "keep-caps-locked"))
795 c
->secure_bits
|= SECURE_KEEP_CAPS_LOCKED
;
796 else if (first_word(w
, "no-setuid-fixup"))
797 c
->secure_bits
|= SECURE_NO_SETUID_FIXUP
;
798 else if (first_word(w
, "no-setuid-fixup-locked"))
799 c
->secure_bits
|= SECURE_NO_SETUID_FIXUP_LOCKED
;
800 else if (first_word(w
, "noroot"))
801 c
->secure_bits
|= SECURE_NOROOT
;
802 else if (first_word(w
, "noroot-locked"))
803 c
->secure_bits
|= SECURE_NOROOT_LOCKED
;
805 log_error("[%s:%u] Failed to parse secure bits: %s", filename
, line
, rvalue
);
813 static int config_parse_bounding_set(
814 const char *filename
,
822 ExecContext
*c
= data
;
832 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
837 if (!(t
= strndup(w
, l
)))
840 r
= cap_from_name(t
, &cap
);
844 log_error("[%s:%u] Failed to parse capability bounding set: %s", filename
, line
, rvalue
);
848 c
->capability_bounding_set_drop
|= 1 << cap
;
854 static int config_parse_timer_slack_nsec(
855 const char *filename
,
863 ExecContext
*c
= data
;
872 if ((r
= safe_atolu(rvalue
, &u
)) < 0) {
873 log_error("[%s:%u] Failed to parse time slack value: %s", filename
, line
, rvalue
);
877 c
->timer_slack_nsec
= u
;
882 static int config_parse_limit(
883 const char *filename
,
891 struct rlimit
**rl
= data
;
892 unsigned long long u
;
900 if ((r
= safe_atollu(rvalue
, &u
)) < 0) {
901 log_error("[%s:%u] Failed to parse resource value: %s", filename
, line
, rvalue
);
906 if (!(*rl
= new(struct rlimit
, 1)))
909 (*rl
)->rlim_cur
= (*rl
)->rlim_max
= (rlim_t
) u
;
913 static int config_parse_cgroup(
914 const char *filename
,
927 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
931 if (!(t
= cunescape_length(w
, l
)))
934 r
= unit_add_cgroup_from_text(u
, t
);
944 static int config_parse_sysv_priority(
945 const char *filename
,
953 int *priority
= data
;
961 if ((r
= safe_atoi(rvalue
, &i
)) < 0 || i
< 0) {
962 log_error("[%s:%u] Failed to parse SysV start priority: %s", filename
, line
, rvalue
);
970 static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode
, kill_mode
, KillMode
, "Failed to parse kill mode");
972 static int config_parse_kill_signal(
973 const char *filename
,
989 if ((r
= signal_from_string(rvalue
)) <= 0)
990 if (startswith(rvalue
, "SIG"))
991 r
= signal_from_string(rvalue
+3);
994 log_error("[%s:%u] Failed to parse kill signal: %s", filename
, line
, rvalue
);
1002 static int config_parse_mount_flags(
1003 const char *filename
,
1005 const char *section
,
1011 ExecContext
*c
= data
;
1015 unsigned long flags
= 0;
1022 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
1023 if (strncmp(w
, "shared", l
) == 0)
1025 else if (strncmp(w
, "slave", l
) == 0)
1027 else if (strncmp(w
, "private", l
) == 0)
1028 flags
|= MS_PRIVATE
;
1030 log_error("[%s:%u] Failed to parse mount flags: %s", filename
, line
, rvalue
);
1035 c
->mount_flags
= flags
;
1039 static int config_parse_timer(
1040 const char *filename
,
1042 const char *section
,
1059 if ((b
= timer_base_from_string(lvalue
)) < 0) {
1060 log_error("[%s:%u] Failed to parse timer base: %s", filename
, line
, lvalue
);
1064 if ((r
= parse_usec(rvalue
, &u
)) < 0) {
1065 log_error("[%s:%u] Failed to parse timer value: %s", filename
, line
, rvalue
);
1069 if (!(v
= new0(TimerValue
, 1)))
1075 LIST_PREPEND(TimerValue
, value
, t
->values
, v
);
1080 static int config_parse_timer_unit(
1081 const char *filename
,
1083 const char *section
,
1098 dbus_error_init(&error
);
1100 if (endswith(rvalue
, ".timer")) {
1101 log_error("[%s:%u] Unit cannot be of type timer: %s", filename
, line
, rvalue
);
1105 if ((r
= manager_load_unit(t
->meta
.manager
, rvalue
, NULL
, NULL
, &t
->unit
)) < 0) {
1106 log_error("[%s:%u] Failed to load unit %s: %s", filename
, line
, rvalue
, bus_error(&error
, r
));
1107 dbus_error_free(&error
);
1114 static int config_parse_path_spec(
1115 const char *filename
,
1117 const char *section
,
1132 if ((b
= path_type_from_string(lvalue
)) < 0) {
1133 log_error("[%s:%u] Failed to parse path type: %s", filename
, line
, lvalue
);
1137 if (!path_is_absolute(rvalue
)) {
1138 log_error("[%s:%u] Path is not absolute: %s", filename
, line
, rvalue
);
1142 if (!(s
= new0(PathSpec
, 1)))
1145 if (!(s
->path
= strdup(rvalue
))) {
1150 path_kill_slashes(s
->path
);
1155 LIST_PREPEND(PathSpec
, spec
, p
->specs
, s
);
1160 static int config_parse_path_unit(
1161 const char *filename
,
1163 const char *section
,
1178 dbus_error_init(&error
);
1180 if (endswith(rvalue
, ".path")) {
1181 log_error("[%s:%u] Unit cannot be of type path: %s", filename
, line
, rvalue
);
1185 if ((r
= manager_load_unit(t
->meta
.manager
, rvalue
, NULL
, &error
, &t
->unit
)) < 0) {
1186 log_error("[%s:%u] Failed to load unit %s: %s", filename
, line
, rvalue
, bus_error(&error
, r
));
1187 dbus_error_free(&error
);
1194 static int config_parse_env_file(
1195 const char *filename
,
1197 const char *section
,
1212 if (!(f
= fopen(rvalue
, "re"))) {
1213 log_error("[%s:%u] Failed to open environment file '%s': %m", filename
, line
, rvalue
);
1218 char l
[LINE_MAX
], *p
;
1221 if (!fgets(l
, sizeof(l
), f
)) {
1226 log_error("[%s:%u] Failed to read environment file '%s': %m", filename
, line
, rvalue
);
1235 if (strchr(COMMENTS
, *p
))
1238 t
= strv_env_set(*env
, p
);
1252 static int config_parse_ip_tos(
1253 const char *filename
,
1255 const char *section
,
1261 int *ip_tos
= data
, x
;
1269 if ((x
= ip_tos_from_string(rvalue
)) < 0)
1270 if ((r
= safe_atoi(rvalue
, &x
)) < 0) {
1271 log_error("[%s:%u] Failed to parse IP TOS value: %s", filename
, line
, rvalue
);
1279 static DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access
, notify_access
, NotifyAccess
, "Failed to parse notify access specifier");
1281 #define FOLLOW_MAX 8
1283 static int open_follow(char **filename
, FILE **_f
, Set
*names
, char **_final
) {
1294 /* This will update the filename pointer if the loaded file is
1295 * reached by a symlink. The old string will be freed. */
1298 char *target
, *name
;
1300 if (c
++ >= FOLLOW_MAX
)
1303 path_kill_slashes(*filename
);
1305 /* Add the file name we are currently looking at to
1306 * the names of this unit */
1307 name
= file_name_from_path(*filename
);
1308 if (!(id
= set_get(names
, name
))) {
1310 if (!(id
= strdup(name
)))
1313 if ((r
= set_put(names
, id
)) < 0) {
1319 /* Try to open the file name, but don't if its a symlink */
1320 if ((fd
= open(*filename
, O_RDONLY
|O_CLOEXEC
|O_NOCTTY
|O_NOFOLLOW
)) >= 0)
1326 /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
1327 if ((r
= readlink_and_make_absolute(*filename
, &target
)) < 0)
1334 if (!(f
= fdopen(fd
, "r"))) {
1336 close_nointr_nofail(fd
);
1345 static int merge_by_names(Unit
**u
, Set
*names
, const char *id
) {
1353 /* Let's try to add in all symlink names we found */
1354 while ((k
= set_steal_first(names
))) {
1356 /* First try to merge in the other name into our
1358 if ((r
= unit_merge_by_name(*u
, k
)) < 0) {
1361 /* Hmm, we couldn't merge the other unit into
1362 * ours? Then let's try it the other way
1365 other
= manager_get_unit((*u
)->meta
.manager
, k
);
1369 if ((r
= unit_merge(other
, *u
)) >= 0) {
1371 return merge_by_names(u
, names
, NULL
);
1378 unit_choose_id(*u
, id
);
1386 static void dump_items(FILE *f
, const ConfigItem
*items
) {
1387 const ConfigItem
*i
;
1388 const char *prev_section
= NULL
;
1389 bool not_first
= false;
1392 ConfigParserCallback callback
;
1395 { config_parse_int
, "INTEGER" },
1396 { config_parse_unsigned
, "UNSIGNED" },
1397 { config_parse_size
, "SIZE" },
1398 { config_parse_bool
, "BOOLEAN" },
1399 { config_parse_string
, "STRING" },
1400 { config_parse_path
, "PATH" },
1401 { config_parse_strv
, "STRING [...]" },
1402 { config_parse_nice
, "NICE" },
1403 { config_parse_oom_adjust
, "OOMADJUST" },
1404 { config_parse_io_class
, "IOCLASS" },
1405 { config_parse_io_priority
, "IOPRIORITY" },
1406 { config_parse_cpu_sched_policy
, "CPUSCHEDPOLICY" },
1407 { config_parse_cpu_sched_prio
, "CPUSCHEDPRIO" },
1408 { config_parse_cpu_affinity
, "CPUAFFINITY" },
1409 { config_parse_mode
, "MODE" },
1410 { config_parse_env_file
, "FILE" },
1411 { config_parse_output
, "OUTPUT" },
1412 { config_parse_input
, "INPUT" },
1413 { config_parse_facility
, "FACILITY" },
1414 { config_parse_level
, "LEVEL" },
1415 { config_parse_capabilities
, "CAPABILITIES" },
1416 { config_parse_secure_bits
, "SECUREBITS" },
1417 { config_parse_bounding_set
, "BOUNDINGSET" },
1418 { config_parse_timer_slack_nsec
, "TIMERSLACK" },
1419 { config_parse_limit
, "LIMIT" },
1420 { config_parse_cgroup
, "CGROUP [...]" },
1421 { config_parse_deps
, "UNIT [...]" },
1422 { config_parse_names
, "UNIT [...]" },
1423 { config_parse_exec
, "PATH [ARGUMENT [...]]" },
1424 { config_parse_service_type
, "SERVICETYPE" },
1425 { config_parse_service_restart
, "SERVICERESTART" },
1426 { config_parse_sysv_priority
, "SYSVPRIORITY" },
1427 { config_parse_kill_mode
, "KILLMODE" },
1428 { config_parse_kill_signal
, "SIGNAL" },
1429 { config_parse_listen
, "SOCKET [...]" },
1430 { config_parse_socket_bind
, "SOCKETBIND" },
1431 { config_parse_bindtodevice
, "NETWORKINTERFACE" },
1432 { config_parse_usec
, "SECONDS" },
1433 { config_parse_path_strv
, "PATH [...]" },
1434 { config_parse_mount_flags
, "MOUNTFLAG [...]" },
1435 { config_parse_string_printf
, "STRING" },
1436 { config_parse_timer
, "TIMER" },
1437 { config_parse_timer_unit
, "NAME" },
1438 { config_parse_path_spec
, "PATH" },
1439 { config_parse_path_unit
, "UNIT" },
1440 { config_parse_notify_access
, "ACCESS" },
1441 { config_parse_ip_tos
, "TOS" },
1447 for (i
= items
; i
->lvalue
; i
++) {
1449 const char *rvalue
= "OTHER";
1451 if (!streq_ptr(i
->section
, prev_section
)) {
1457 fprintf(f
, "[%s]\n", i
->section
);
1458 prev_section
= i
->section
;
1461 for (j
= 0; j
< ELEMENTSOF(table
); j
++)
1462 if (i
->parse
== table
[j
].callback
) {
1463 rvalue
= table
[j
].rvalue
;
1467 fprintf(f
, "%s=%s\n", i
->lvalue
, rvalue
);
1471 static int load_from_path(Unit
*u
, const char *path
) {
1473 static const char* const section_table
[_UNIT_TYPE_MAX
] = {
1474 [UNIT_SERVICE
] = "Service",
1475 [UNIT_TIMER
] = "Timer",
1476 [UNIT_SOCKET
] = "Socket",
1477 [UNIT_TARGET
] = "Target",
1478 [UNIT_DEVICE
] = "Device",
1479 [UNIT_MOUNT
] = "Mount",
1480 [UNIT_AUTOMOUNT
] = "Automount",
1481 [UNIT_SNAPSHOT
] = "Snapshot",
1482 [UNIT_SWAP
] = "Swap",
1483 [UNIT_PATH
] = "Path"
1486 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
1487 { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \
1488 { "RootDirectory", config_parse_path, &(context).root_directory, section }, \
1489 { "User", config_parse_string_printf, &(context).user, section }, \
1490 { "Group", config_parse_string_printf, &(context).group, section }, \
1491 { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \
1492 { "Nice", config_parse_nice, &(context), section }, \
1493 { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \
1494 { "IOSchedulingClass", config_parse_io_class, &(context), section }, \
1495 { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \
1496 { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \
1497 { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \
1498 { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \
1499 { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \
1500 { "UMask", config_parse_mode, &(context).umask, section }, \
1501 { "Environment", config_parse_strv, &(context).environment, section }, \
1502 { "EnvironmentFile", config_parse_env_file, &(context).environment, section }, \
1503 { "StandardInput", config_parse_input, &(context).std_input, section }, \
1504 { "StandardOutput", config_parse_output, &(context).std_output, section }, \
1505 { "StandardError", config_parse_output, &(context).std_error, section }, \
1506 { "TTYPath", config_parse_path, &(context).tty_path, section }, \
1507 { "SyslogIdentifier", config_parse_string_printf, &(context).syslog_identifier, section }, \
1508 { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \
1509 { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \
1510 { "SyslogLevelPrefix", config_parse_bool, &(context).syslog_level_prefix, section }, \
1511 { "Capabilities", config_parse_capabilities, &(context), section }, \
1512 { "SecureBits", config_parse_secure_bits, &(context), section }, \
1513 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \
1514 { "TimerSlackNSec", config_parse_timer_slack_nsec,&(context), section }, \
1515 { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \
1516 { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \
1517 { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \
1518 { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \
1519 { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \
1520 { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \
1521 { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \
1522 { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \
1523 { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \
1524 { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \
1525 { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \
1526 { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \
1527 { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \
1528 { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \
1529 { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \
1530 { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \
1531 { "ControlGroup", config_parse_cgroup, u, section }, \
1532 { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \
1533 { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \
1534 { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \
1535 { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \
1536 { "MountFlags", config_parse_mount_flags, &(context), section }, \
1537 { "TCPWrapName", config_parse_string_printf, &(context).tcpwrap_name, section }, \
1538 { "PAMName", config_parse_string_printf, &(context).pam_name, section }, \
1539 { "KillMode", config_parse_kill_mode, &(context).kill_mode, section }, \
1540 { "KillSignal", config_parse_kill_signal, &(context).kill_signal, section }
1542 const ConfigItem items
[] = {
1543 { "Names", config_parse_names
, u
, "Unit" },
1544 { "Description", config_parse_string_printf
, &u
->meta
.description
, "Unit" },
1545 { "Requires", config_parse_deps
, UINT_TO_PTR(UNIT_REQUIRES
), "Unit" },
1546 { "RequiresOverridable", config_parse_deps
, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE
), "Unit" },
1547 { "Requisite", config_parse_deps
, UINT_TO_PTR(UNIT_REQUISITE
), "Unit" },
1548 { "RequisiteOverridable", config_parse_deps
, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE
), "Unit" },
1549 { "Wants", config_parse_deps
, UINT_TO_PTR(UNIT_WANTS
), "Unit" },
1550 { "Conflicts", config_parse_deps
, UINT_TO_PTR(UNIT_CONFLICTS
), "Unit" },
1551 { "Before", config_parse_deps
, UINT_TO_PTR(UNIT_BEFORE
), "Unit" },
1552 { "After", config_parse_deps
, UINT_TO_PTR(UNIT_AFTER
), "Unit" },
1553 { "RecursiveStop", config_parse_bool
, &u
->meta
.recursive_stop
, "Unit" },
1554 { "StopWhenUnneeded", config_parse_bool
, &u
->meta
.stop_when_unneeded
, "Unit" },
1555 { "OnlyByDependency", config_parse_bool
, &u
->meta
.only_by_dependency
, "Unit" },
1556 { "DefaultDependencies", config_parse_bool
, &u
->meta
.default_dependencies
, "Unit" },
1558 { "PIDFile", config_parse_path
, &u
->service
.pid_file
, "Service" },
1559 { "ExecStartPre", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_START_PRE
, "Service" },
1560 { "ExecStart", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_START
, "Service" },
1561 { "ExecStartPost", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_START_POST
, "Service" },
1562 { "ExecReload", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_RELOAD
, "Service" },
1563 { "ExecStop", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_STOP
, "Service" },
1564 { "ExecStopPost", config_parse_exec
, u
->service
.exec_command
+SERVICE_EXEC_STOP_POST
, "Service" },
1565 { "RestartSec", config_parse_usec
, &u
->service
.restart_usec
, "Service" },
1566 { "TimeoutSec", config_parse_usec
, &u
->service
.timeout_usec
, "Service" },
1567 { "Type", config_parse_service_type
, &u
->service
.type
, "Service" },
1568 { "Restart", config_parse_service_restart
, &u
->service
.restart
, "Service" },
1569 { "PermissionsStartOnly", config_parse_bool
, &u
->service
.permissions_start_only
, "Service" },
1570 { "RootDirectoryStartOnly", config_parse_bool
, &u
->service
.root_directory_start_only
, "Service" },
1571 { "ValidNoProcess", config_parse_bool
, &u
->service
.valid_no_process
, "Service" },
1572 { "SysVStartPriority", config_parse_sysv_priority
, &u
->service
.sysv_start_priority
, "Service" },
1573 { "NonBlocking", config_parse_bool
, &u
->service
.exec_context
.non_blocking
, "Service" },
1574 { "BusName", config_parse_string_printf
, &u
->service
.bus_name
, "Service" },
1575 { "NotifyAccess", config_parse_notify_access
, &u
->service
.notify_access
, "Service" },
1576 EXEC_CONTEXT_CONFIG_ITEMS(u
->service
.exec_context
, "Service"),
1578 { "ListenStream", config_parse_listen
, &u
->socket
, "Socket" },
1579 { "ListenDatagram", config_parse_listen
, &u
->socket
, "Socket" },
1580 { "ListenSequentialPacket", config_parse_listen
, &u
->socket
, "Socket" },
1581 { "ListenFIFO", config_parse_listen
, &u
->socket
, "Socket" },
1582 { "BindIPv6Only", config_parse_socket_bind
, &u
->socket
, "Socket" },
1583 { "Backlog", config_parse_unsigned
, &u
->socket
.backlog
, "Socket" },
1584 { "BindToDevice", config_parse_bindtodevice
, &u
->socket
, "Socket" },
1585 { "ExecStartPre", config_parse_exec
, u
->socket
.exec_command
+SOCKET_EXEC_START_PRE
, "Socket" },
1586 { "ExecStartPost", config_parse_exec
, u
->socket
.exec_command
+SOCKET_EXEC_START_POST
, "Socket" },
1587 { "ExecStopPre", config_parse_exec
, u
->socket
.exec_command
+SOCKET_EXEC_STOP_PRE
, "Socket" },
1588 { "ExecStopPost", config_parse_exec
, u
->socket
.exec_command
+SOCKET_EXEC_STOP_POST
, "Socket" },
1589 { "TimeoutSec", config_parse_usec
, &u
->socket
.timeout_usec
, "Socket" },
1590 { "DirectoryMode", config_parse_mode
, &u
->socket
.directory_mode
, "Socket" },
1591 { "SocketMode", config_parse_mode
, &u
->socket
.socket_mode
, "Socket" },
1592 { "Accept", config_parse_bool
, &u
->socket
.accept
, "Socket" },
1593 { "MaxConnections", config_parse_unsigned
, &u
->socket
.max_connections
, "Socket" },
1594 { "KeepAlive", config_parse_bool
, &u
->socket
.keep_alive
, "Socket" },
1595 { "Priority", config_parse_int
, &u
->socket
.priority
, "Socket" },
1596 { "ReceiveBuffer", config_parse_size
, &u
->socket
.receive_buffer
, "Socket" },
1597 { "SendBuffer", config_parse_size
, &u
->socket
.send_buffer
, "Socket" },
1598 { "IPTOS", config_parse_ip_tos
, &u
->socket
.ip_tos
, "Socket" },
1599 { "IPTTL", config_parse_int
, &u
->socket
.ip_ttl
, "Socket" },
1600 { "Mark", config_parse_int
, &u
->socket
.mark
, "Socket" },
1601 { "PipeSize", config_parse_size
, &u
->socket
.pipe_size
, "Socket" },
1602 { "FreeBind", config_parse_bool
, &u
->socket
.free_bind
, "Socket" },
1603 EXEC_CONTEXT_CONFIG_ITEMS(u
->socket
.exec_context
, "Socket"),
1605 { "What", config_parse_string
, &u
->mount
.parameters_fragment
.what
, "Mount" },
1606 { "Where", config_parse_path
, &u
->mount
.where
, "Mount" },
1607 { "Options", config_parse_string
, &u
->mount
.parameters_fragment
.options
, "Mount" },
1608 { "Type", config_parse_string
, &u
->mount
.parameters_fragment
.fstype
, "Mount" },
1609 { "TimeoutSec", config_parse_usec
, &u
->mount
.timeout_usec
, "Mount" },
1610 { "DirectoryMode", config_parse_mode
, &u
->mount
.directory_mode
, "Mount" },
1611 EXEC_CONTEXT_CONFIG_ITEMS(u
->mount
.exec_context
, "Mount"),
1613 { "Where", config_parse_path
, &u
->automount
.where
, "Automount" },
1614 { "DirectoryMode", config_parse_mode
, &u
->automount
.directory_mode
, "Automount" },
1616 { "What", config_parse_path
, &u
->swap
.parameters_fragment
.what
, "Swap" },
1617 { "Priority", config_parse_int
, &u
->swap
.parameters_fragment
.priority
, "Swap" },
1619 { "OnActiveSec", config_parse_timer
, &u
->timer
, "Timer" },
1620 { "OnBootSec", config_parse_timer
, &u
->timer
, "Timer" },
1621 { "OnStartupSec", config_parse_timer
, &u
->timer
, "Timer" },
1622 { "OnUnitActiveSec", config_parse_timer
, &u
->timer
, "Timer" },
1623 { "OnUnitInactiveSec", config_parse_timer
, &u
->timer
, "Timer" },
1624 { "Unit", config_parse_timer_unit
, &u
->timer
, "Timer" },
1626 { "PathExists", config_parse_path_spec
, &u
->path
, "Path" },
1627 { "PathChanged", config_parse_path_spec
, &u
->path
, "Path" },
1628 { "DirectoryNotEmpty", config_parse_path_spec
, &u
->path
, "Path" },
1629 { "Unit", config_parse_path_unit
, &u
->path
, "Path" },
1631 /* The [Install] section is ignored here. */
1632 { "Alias", NULL
, NULL
, "Install" },
1633 { "WantedBy", NULL
, NULL
, "Install" },
1634 { "Also", NULL
, NULL
, "Install" },
1636 { NULL
, NULL
, NULL
, NULL
}
1639 #undef EXEC_CONTEXT_CONFIG_ITEMS
1641 const char *sections
[4];
1645 char *filename
= NULL
, *id
= NULL
;
1649 /* Dirty dirty hack. */
1650 dump_items((FILE*) path
, items
);
1657 sections
[0] = "Unit";
1658 sections
[1] = section_table
[u
->meta
.type
];
1659 sections
[2] = "Install";
1662 if (!(symlink_names
= set_new(string_hash_func
, string_compare_func
)))
1665 if (path_is_absolute(path
)) {
1667 if (!(filename
= strdup(path
))) {
1672 if ((r
= open_follow(&filename
, &f
, symlink_names
, &id
)) < 0) {
1683 STRV_FOREACH(p
, u
->meta
.manager
->lookup_paths
.unit_path
) {
1685 /* Instead of opening the path right away, we manually
1686 * follow all symlinks and add their name to our unit
1687 * name set while doing so */
1688 if (!(filename
= path_make_absolute(path
, *p
))) {
1693 if ((r
= open_follow(&filename
, &f
, symlink_names
, &id
)) < 0) {
1702 /* Empty the symlink names for the next run */
1703 while ((sn
= set_steal_first(symlink_names
)))
1719 if ((r
= merge_by_names(&merged
, symlink_names
, id
)) < 0)
1723 u
->meta
.load_state
= UNIT_MERGED
;
1728 /* Now, parse the file contents */
1729 if ((r
= config_parse(filename
, f
, sections
, items
, false, u
)) < 0)
1732 free(u
->meta
.fragment_path
);
1733 u
->meta
.fragment_path
= filename
;
1736 u
->meta
.load_state
= UNIT_LOADED
;
1740 set_free_free(symlink_names
);
1749 int unit_load_fragment(Unit
*u
) {
1754 if (u
->meta
.fragment_path
) {
1756 if ((r
= load_from_path(u
, u
->meta
.fragment_path
)) < 0)
1763 /* Try to find the unit under its id */
1764 if ((r
= load_from_path(u
, u
->meta
.id
)) < 0)
1767 /* Try to find an alias we can load this with */
1768 if (u
->meta
.load_state
== UNIT_STUB
)
1769 SET_FOREACH(t
, u
->meta
.names
, i
) {
1771 if (t
== u
->meta
.id
)
1774 if ((r
= load_from_path(u
, t
)) < 0)
1777 if (u
->meta
.load_state
!= UNIT_STUB
)
1781 /* Now, follow the same logic, but look for a template */
1782 if (u
->meta
.load_state
== UNIT_STUB
&& u
->meta
.instance
) {
1785 if (!(k
= unit_name_template(u
->meta
.id
)))
1788 r
= load_from_path(u
, k
);
1794 if (u
->meta
.load_state
== UNIT_STUB
)
1795 SET_FOREACH(t
, u
->meta
.names
, i
) {
1797 if (t
== u
->meta
.id
)
1800 if (!(k
= unit_name_template(t
)))
1803 r
= load_from_path(u
, k
);
1809 if (u
->meta
.load_state
!= UNIT_STUB
)
1818 void unit_dump_config_items(FILE *f
) {
1819 /* OK, this wins a prize for extreme ugliness. */
1821 load_from_path(NULL
, (const void*) f
);