2 This file is part of systemd.
4 Copyright 2010 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 #include <sys/prctl.h>
27 #include "alloc-util.h"
29 #include "capability-util.h"
30 #include "dbus-execute.h"
37 #include "namespace.h"
38 #include "parse-util.h"
39 #include "path-util.h"
40 #include "process-util.h"
41 #include "rlimit-util.h"
43 #include "seccomp-util.h"
46 #include "syslog-util.h"
49 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output
, exec_output
, ExecOutput
);
51 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input
, exec_input
, ExecInput
);
53 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode
, exec_utmp_mode
, ExecUtmpMode
);
55 static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home
, protect_home
, ProtectHome
);
56 static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system
, protect_system
, ProtectSystem
);
58 static int property_get_environment_files(
61 const char *interface
,
63 sd_bus_message
*reply
,
65 sd_bus_error
*error
) {
67 ExecContext
*c
= userdata
;
75 r
= sd_bus_message_open_container(reply
, 'a', "(sb)");
79 STRV_FOREACH(j
, c
->environment_files
) {
82 r
= sd_bus_message_append(reply
, "(sb)", fn
[0] == '-' ? fn
+ 1 : fn
, fn
[0] == '-');
87 return sd_bus_message_close_container(reply
);
90 static int property_get_oom_score_adjust(
93 const char *interface
,
95 sd_bus_message
*reply
,
97 sd_bus_error
*error
) {
100 ExecContext
*c
= userdata
;
107 if (c
->oom_score_adjust_set
)
108 n
= c
->oom_score_adjust
;
110 _cleanup_free_
char *t
= NULL
;
113 if (read_one_line_file("/proc/self/oom_score_adj", &t
) >= 0)
117 return sd_bus_message_append(reply
, "i", n
);
120 static int property_get_nice(
123 const char *interface
,
124 const char *property
,
125 sd_bus_message
*reply
,
127 sd_bus_error
*error
) {
130 ExecContext
*c
= userdata
;
141 n
= getpriority(PRIO_PROCESS
, 0);
146 return sd_bus_message_append(reply
, "i", n
);
149 static int property_get_ioprio(
152 const char *interface
,
153 const char *property
,
154 sd_bus_message
*reply
,
156 sd_bus_error
*error
) {
159 ExecContext
*c
= userdata
;
169 n
= ioprio_get(IOPRIO_WHO_PROCESS
, 0);
171 n
= IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE
, 4);
174 return sd_bus_message_append(reply
, "i", n
);
177 static int property_get_cpu_sched_policy(
180 const char *interface
,
181 const char *property
,
182 sd_bus_message
*reply
,
184 sd_bus_error
*error
) {
186 ExecContext
*c
= userdata
;
193 if (c
->cpu_sched_set
)
194 n
= c
->cpu_sched_policy
;
196 n
= sched_getscheduler(0);
201 return sd_bus_message_append(reply
, "i", n
);
204 static int property_get_cpu_sched_priority(
207 const char *interface
,
208 const char *property
,
209 sd_bus_message
*reply
,
211 sd_bus_error
*error
) {
213 ExecContext
*c
= userdata
;
220 if (c
->cpu_sched_set
)
221 n
= c
->cpu_sched_priority
;
223 struct sched_param p
= {};
225 if (sched_getparam(0, &p
) >= 0)
226 n
= p
.sched_priority
;
231 return sd_bus_message_append(reply
, "i", n
);
234 static int property_get_cpu_affinity(
237 const char *interface
,
238 const char *property
,
239 sd_bus_message
*reply
,
241 sd_bus_error
*error
) {
243 ExecContext
*c
= userdata
;
250 return sd_bus_message_append_array(reply
, 'y', c
->cpuset
, CPU_ALLOC_SIZE(c
->cpuset_ncpus
));
252 return sd_bus_message_append_array(reply
, 'y', NULL
, 0);
255 static int property_get_timer_slack_nsec(
258 const char *interface
,
259 const char *property
,
260 sd_bus_message
*reply
,
262 sd_bus_error
*error
) {
264 ExecContext
*c
= userdata
;
271 if (c
->timer_slack_nsec
!= NSEC_INFINITY
)
272 u
= (uint64_t) c
->timer_slack_nsec
;
274 u
= (uint64_t) prctl(PR_GET_TIMERSLACK
);
276 return sd_bus_message_append(reply
, "t", u
);
279 static int property_get_capability_bounding_set(
282 const char *interface
,
283 const char *property
,
284 sd_bus_message
*reply
,
286 sd_bus_error
*error
) {
288 ExecContext
*c
= userdata
;
294 return sd_bus_message_append(reply
, "t", c
->capability_bounding_set
);
297 static int property_get_ambient_capabilities(
300 const char *interface
,
301 const char *property
,
302 sd_bus_message
*reply
,
304 sd_bus_error
*error
) {
306 ExecContext
*c
= userdata
;
312 return sd_bus_message_append(reply
, "t", c
->capability_ambient_set
);
315 static int property_get_empty_string(
318 const char *interface
,
319 const char *property
,
320 sd_bus_message
*reply
,
322 sd_bus_error
*error
) {
327 return sd_bus_message_append(reply
, "s", "");
330 static int property_get_syscall_filter(
333 const char *interface
,
334 const char *property
,
335 sd_bus_message
*reply
,
337 sd_bus_error
*error
) {
339 ExecContext
*c
= userdata
;
340 _cleanup_strv_free_
char **l
= NULL
;
352 r
= sd_bus_message_open_container(reply
, 'r', "bas");
356 r
= sd_bus_message_append(reply
, "b", c
->syscall_whitelist
);
361 SET_FOREACH(id
, c
->syscall_filter
, i
) {
364 name
= seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE
, PTR_TO_INT(id
) - 1);
368 r
= strv_consume(&l
, name
);
376 r
= sd_bus_message_append_strv(reply
, l
);
380 return sd_bus_message_close_container(reply
);
383 static int property_get_syscall_archs(
386 const char *interface
,
387 const char *property
,
388 sd_bus_message
*reply
,
390 sd_bus_error
*error
) {
392 ExecContext
*c
= userdata
;
393 _cleanup_strv_free_
char **l
= NULL
;
406 SET_FOREACH(id
, c
->syscall_archs
, i
) {
409 name
= seccomp_arch_to_string(PTR_TO_UINT32(id
) - 1);
413 r
= strv_extend(&l
, name
);
421 r
= sd_bus_message_append_strv(reply
, l
);
428 static int property_get_syscall_errno(
431 const char *interface
,
432 const char *property
,
433 sd_bus_message
*reply
,
435 sd_bus_error
*error
) {
437 ExecContext
*c
= userdata
;
443 return sd_bus_message_append(reply
, "i", (int32_t) c
->syscall_errno
);
446 static int property_get_selinux_context(
449 const char *interface
,
450 const char *property
,
451 sd_bus_message
*reply
,
453 sd_bus_error
*error
) {
455 ExecContext
*c
= userdata
;
461 return sd_bus_message_append(reply
, "(bs)", c
->selinux_context_ignore
, c
->selinux_context
);
464 static int property_get_apparmor_profile(
467 const char *interface
,
468 const char *property
,
469 sd_bus_message
*reply
,
471 sd_bus_error
*error
) {
473 ExecContext
*c
= userdata
;
479 return sd_bus_message_append(reply
, "(bs)", c
->apparmor_profile_ignore
, c
->apparmor_profile
);
482 static int property_get_smack_process_label(
485 const char *interface
,
486 const char *property
,
487 sd_bus_message
*reply
,
489 sd_bus_error
*error
) {
491 ExecContext
*c
= userdata
;
497 return sd_bus_message_append(reply
, "(bs)", c
->smack_process_label_ignore
, c
->smack_process_label
);
500 static int property_get_personality(
503 const char *interface
,
504 const char *property
,
505 sd_bus_message
*reply
,
507 sd_bus_error
*error
) {
509 ExecContext
*c
= userdata
;
515 return sd_bus_message_append(reply
, "s", personality_to_string(c
->personality
));
518 static int property_get_address_families(
521 const char *interface
,
522 const char *property
,
523 sd_bus_message
*reply
,
525 sd_bus_error
*error
) {
527 ExecContext
*c
= userdata
;
528 _cleanup_strv_free_
char **l
= NULL
;
537 r
= sd_bus_message_open_container(reply
, 'r', "bas");
541 r
= sd_bus_message_append(reply
, "b", c
->address_families_whitelist
);
545 SET_FOREACH(af
, c
->address_families
, i
) {
548 name
= af_to_name(PTR_TO_INT(af
));
552 r
= strv_extend(&l
, name
);
559 r
= sd_bus_message_append_strv(reply
, l
);
563 return sd_bus_message_close_container(reply
);
566 static int property_get_working_directory(
569 const char *interface
,
570 const char *property
,
571 sd_bus_message
*reply
,
573 sd_bus_error
*error
) {
575 ExecContext
*c
= userdata
;
582 if (c
->working_directory_home
)
585 wd
= c
->working_directory
;
587 if (c
->working_directory_missing_ok
)
588 wd
= strjoina("!", wd
);
590 return sd_bus_message_append(reply
, "s", wd
);
593 static int property_get_syslog_level(
596 const char *interface
,
597 const char *property
,
598 sd_bus_message
*reply
,
600 sd_bus_error
*error
) {
602 ExecContext
*c
= userdata
;
608 return sd_bus_message_append(reply
, "i", LOG_PRI(c
->syslog_priority
));
611 static int property_get_syslog_facility(
614 const char *interface
,
615 const char *property
,
616 sd_bus_message
*reply
,
618 sd_bus_error
*error
) {
620 ExecContext
*c
= userdata
;
626 return sd_bus_message_append(reply
, "i", LOG_FAC(c
->syslog_priority
));
629 const sd_bus_vtable bus_exec_vtable
[] = {
630 SD_BUS_VTABLE_START(0),
631 SD_BUS_PROPERTY("Environment", "as", NULL
, offsetof(ExecContext
, environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
632 SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
633 SD_BUS_PROPERTY("PassEnvironment", "as", NULL
, offsetof(ExecContext
, pass_environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
634 SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode
, offsetof(ExecContext
, umask
), SD_BUS_VTABLE_PROPERTY_CONST
),
635 SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
636 SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
637 SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
638 SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
639 SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
640 SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
641 SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
642 SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
643 SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
644 SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
645 SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
646 SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
647 SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
648 SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
649 SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
650 SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
651 SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
652 SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
653 SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
654 SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
655 SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
656 SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
657 SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
658 SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
659 SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
660 SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
661 SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
662 SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
663 SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
664 SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
665 SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
666 SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
667 SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
668 SD_BUS_PROPERTY("RootDirectory", "s", NULL
, offsetof(ExecContext
, root_directory
), SD_BUS_VTABLE_PROPERTY_CONST
),
669 SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
670 SD_BUS_PROPERTY("Nice", "i", property_get_nice
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
671 SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
672 SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
673 SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
674 SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
675 SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
676 SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool
, offsetof(ExecContext
, cpu_sched_reset_on_fork
), SD_BUS_VTABLE_PROPERTY_CONST
),
677 SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool
, offsetof(ExecContext
, non_blocking
), SD_BUS_VTABLE_PROPERTY_CONST
),
678 SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input
, offsetof(ExecContext
, std_input
), SD_BUS_VTABLE_PROPERTY_CONST
),
679 SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_output
), SD_BUS_VTABLE_PROPERTY_CONST
),
680 SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_error
), SD_BUS_VTABLE_PROPERTY_CONST
),
681 SD_BUS_PROPERTY("TTYPath", "s", NULL
, offsetof(ExecContext
, tty_path
), SD_BUS_VTABLE_PROPERTY_CONST
),
682 SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_reset
), SD_BUS_VTABLE_PROPERTY_CONST
),
683 SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vhangup
), SD_BUS_VTABLE_PROPERTY_CONST
),
684 SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vt_disallocate
), SD_BUS_VTABLE_PROPERTY_CONST
),
685 SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
686 SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL
, offsetof(ExecContext
, syslog_identifier
), SD_BUS_VTABLE_PROPERTY_CONST
),
687 SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool
, offsetof(ExecContext
, syslog_level_prefix
), SD_BUS_VTABLE_PROPERTY_CONST
),
688 SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
689 SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
690 SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
691 SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int
, offsetof(ExecContext
, secure_bits
), SD_BUS_VTABLE_PROPERTY_CONST
),
692 SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
693 SD_BUS_PROPERTY("AmbientCapabilities", "t", property_get_ambient_capabilities
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
694 SD_BUS_PROPERTY("User", "s", NULL
, offsetof(ExecContext
, user
), SD_BUS_VTABLE_PROPERTY_CONST
),
695 SD_BUS_PROPERTY("Group", "s", NULL
, offsetof(ExecContext
, group
), SD_BUS_VTABLE_PROPERTY_CONST
),
696 SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL
, offsetof(ExecContext
, supplementary_groups
), SD_BUS_VTABLE_PROPERTY_CONST
),
697 SD_BUS_PROPERTY("PAMName", "s", NULL
, offsetof(ExecContext
, pam_name
), SD_BUS_VTABLE_PROPERTY_CONST
),
698 SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL
, offsetof(ExecContext
, read_write_dirs
), SD_BUS_VTABLE_PROPERTY_CONST
),
699 SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL
, offsetof(ExecContext
, read_only_dirs
), SD_BUS_VTABLE_PROPERTY_CONST
),
700 SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL
, offsetof(ExecContext
, inaccessible_dirs
), SD_BUS_VTABLE_PROPERTY_CONST
),
701 SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong
, offsetof(ExecContext
, mount_flags
), SD_BUS_VTABLE_PROPERTY_CONST
),
702 SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool
, offsetof(ExecContext
, private_tmp
), SD_BUS_VTABLE_PROPERTY_CONST
),
703 SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool
, offsetof(ExecContext
, private_network
), SD_BUS_VTABLE_PROPERTY_CONST
),
704 SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool
, offsetof(ExecContext
, private_devices
), SD_BUS_VTABLE_PROPERTY_CONST
),
705 SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home
, offsetof(ExecContext
, protect_home
), SD_BUS_VTABLE_PROPERTY_CONST
),
706 SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system
, offsetof(ExecContext
, protect_system
), SD_BUS_VTABLE_PROPERTY_CONST
),
707 SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool
, offsetof(ExecContext
, same_pgrp
), SD_BUS_VTABLE_PROPERTY_CONST
),
708 SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL
, offsetof(ExecContext
, utmp_id
), SD_BUS_VTABLE_PROPERTY_CONST
),
709 SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode
, offsetof(ExecContext
, utmp_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
710 SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
711 SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
712 SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
713 SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool
, offsetof(ExecContext
, ignore_sigpipe
), SD_BUS_VTABLE_PROPERTY_CONST
),
714 SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool
, offsetof(ExecContext
, no_new_privileges
), SD_BUS_VTABLE_PROPERTY_CONST
),
715 SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
716 SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
717 SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
718 SD_BUS_PROPERTY("Personality", "s", property_get_personality
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
719 SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
720 SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, runtime_directory_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
721 SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL
, offsetof(ExecContext
, runtime_directory
), SD_BUS_VTABLE_PROPERTY_CONST
),
725 static int append_exec_command(sd_bus_message
*reply
, ExecCommand
*c
) {
734 r
= sd_bus_message_open_container(reply
, 'r', "sasbttttuii");
738 r
= sd_bus_message_append(reply
, "s", c
->path
);
742 r
= sd_bus_message_append_strv(reply
, c
->argv
);
746 r
= sd_bus_message_append(reply
, "bttttuii",
748 c
->exec_status
.start_timestamp
.realtime
,
749 c
->exec_status
.start_timestamp
.monotonic
,
750 c
->exec_status
.exit_timestamp
.realtime
,
751 c
->exec_status
.exit_timestamp
.monotonic
,
752 (uint32_t) c
->exec_status
.pid
,
753 (int32_t) c
->exec_status
.code
,
754 (int32_t) c
->exec_status
.status
);
758 return sd_bus_message_close_container(reply
);
761 int bus_property_get_exec_command(
764 const char *interface
,
765 const char *property
,
766 sd_bus_message
*reply
,
768 sd_bus_error
*ret_error
) {
770 ExecCommand
*c
= (ExecCommand
*) userdata
;
776 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
780 r
= append_exec_command(reply
, c
);
784 return sd_bus_message_close_container(reply
);
787 int bus_property_get_exec_command_list(
790 const char *interface
,
791 const char *property
,
792 sd_bus_message
*reply
,
794 sd_bus_error
*ret_error
) {
796 ExecCommand
*c
= *(ExecCommand
**) userdata
;
802 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
806 LIST_FOREACH(command
, c
, c
) {
807 r
= append_exec_command(reply
, c
);
812 return sd_bus_message_close_container(reply
);
815 int bus_exec_context_set_transient_property(
819 sd_bus_message
*message
,
820 UnitSetPropertiesMode mode
,
821 sd_bus_error
*error
) {
823 const char *soft
= NULL
;
831 if (streq(name
, "User")) {
834 r
= sd_bus_message_read(message
, "s", &uu
);
838 if (mode
!= UNIT_CHECK
) {
839 r
= free_and_strdup(&c
->user
, uu
);
843 unit_write_drop_in_private_format(u
, mode
, name
, "User=%s\n", uu
);
848 } else if (streq(name
, "Group")) {
851 r
= sd_bus_message_read(message
, "s", &gg
);
855 if (mode
!= UNIT_CHECK
) {
856 r
= free_and_strdup(&c
->group
, gg
);
860 unit_write_drop_in_private_format(u
, mode
, name
, "Group=%s\n", gg
);
864 } else if (streq(name
, "SyslogIdentifier")) {
867 r
= sd_bus_message_read(message
, "s", &id
);
871 if (mode
!= UNIT_CHECK
) {
872 r
= free_and_strdup(&c
->syslog_identifier
, id
);
876 unit_write_drop_in_private_format(u
, mode
, name
, "SyslogIdentifier=%s\n", id
);
880 } else if (streq(name
, "SyslogLevel")) {
883 r
= sd_bus_message_read(message
, "i", &level
);
887 if (!log_level_is_valid(level
))
888 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log level value out of range");
890 if (mode
!= UNIT_CHECK
) {
891 c
->syslog_priority
= (c
->syslog_priority
& LOG_FACMASK
) | level
;
892 unit_write_drop_in_private_format(u
, mode
, name
, "SyslogLevel=%i\n", level
);
896 } else if (streq(name
, "SyslogFacility")) {
899 r
= sd_bus_message_read(message
, "i", &facility
);
903 if (!log_facility_unshifted_is_valid(facility
))
904 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log facility value out of range");
906 if (mode
!= UNIT_CHECK
) {
907 c
->syslog_priority
= (facility
<< 3) | LOG_PRI(c
->syslog_priority
);
908 unit_write_drop_in_private_format(u
, mode
, name
, "SyslogFacility=%i\n", facility
);
912 } else if (streq(name
, "Nice")) {
915 r
= sd_bus_message_read(message
, "i", &n
);
919 if (n
< PRIO_MIN
|| n
>= PRIO_MAX
)
920 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Nice value out of range");
922 if (mode
!= UNIT_CHECK
) {
924 unit_write_drop_in_private_format(u
, mode
, name
, "Nice=%i\n", n
);
929 } else if (STR_IN_SET(name
, "TTYPath", "RootDirectory")) {
932 r
= sd_bus_message_read(message
, "s", &s
);
936 if (!path_is_absolute(s
))
937 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s takes an absolute path", name
);
939 if (mode
!= UNIT_CHECK
) {
940 if (streq(name
, "TTYPath"))
941 r
= free_and_strdup(&c
->tty_path
, s
);
943 assert(streq(name
, "RootDirectory"));
944 r
= free_and_strdup(&c
->root_directory
, s
);
949 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, s
);
954 } else if (streq(name
, "WorkingDirectory")) {
958 r
= sd_bus_message_read(message
, "s", &s
);
968 if (!streq(s
, "~") && !path_is_absolute(s
))
969 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "WorkingDirectory= expects an absolute path or '~'");
971 if (mode
!= UNIT_CHECK
) {
973 c
->working_directory
= mfree(c
->working_directory
);
974 c
->working_directory_home
= true;
976 r
= free_and_strdup(&c
->working_directory
, s
);
980 c
->working_directory_home
= false;
983 c
->working_directory_missing_ok
= missing_ok
;
984 unit_write_drop_in_private_format(u
, mode
, name
, "WorkingDirectory=%s%s", missing_ok
? "-" : "", s
);
989 } else if (streq(name
, "StandardInput")) {
993 r
= sd_bus_message_read(message
, "s", &s
);
997 p
= exec_input_from_string(s
);
999 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid standard input name");
1001 if (mode
!= UNIT_CHECK
) {
1004 unit_write_drop_in_private_format(u
, mode
, name
, "StandardInput=%s\n", exec_input_to_string(p
));
1010 } else if (streq(name
, "StandardOutput")) {
1014 r
= sd_bus_message_read(message
, "s", &s
);
1018 p
= exec_output_from_string(s
);
1020 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid standard output name");
1022 if (mode
!= UNIT_CHECK
) {
1025 unit_write_drop_in_private_format(u
, mode
, name
, "StandardOutput=%s\n", exec_output_to_string(p
));
1030 } else if (streq(name
, "StandardError")) {
1034 r
= sd_bus_message_read(message
, "s", &s
);
1038 p
= exec_output_from_string(s
);
1040 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid standard error name");
1042 if (mode
!= UNIT_CHECK
) {
1045 unit_write_drop_in_private_format(u
, mode
, name
, "StandardError=%s\n", exec_output_to_string(p
));
1050 } else if (STR_IN_SET(name
,
1051 "IgnoreSIGPIPE", "TTYVHangup", "TTYReset",
1052 "PrivateTmp", "PrivateDevices", "PrivateNetwork",
1053 "NoNewPrivileges", "SyslogLevelPrefix")) {
1056 r
= sd_bus_message_read(message
, "b", &b
);
1060 if (mode
!= UNIT_CHECK
) {
1061 if (streq(name
, "IgnoreSIGPIPE"))
1062 c
->ignore_sigpipe
= b
;
1063 else if (streq(name
, "TTYVHangup"))
1065 else if (streq(name
, "TTYReset"))
1067 else if (streq(name
, "PrivateTmp"))
1069 else if (streq(name
, "PrivateDevices"))
1070 c
->private_devices
= b
;
1071 else if (streq(name
, "PrivateNetwork"))
1072 c
->private_network
= b
;
1073 else if (streq(name
, "NoNewPrivileges"))
1074 c
->no_new_privileges
= b
;
1075 else if (streq(name
, "SyslogLevelPrefix"))
1076 c
->syslog_level_prefix
= b
;
1078 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, yes_no(b
));
1083 } else if (streq(name
, "UtmpIdentifier")) {
1086 r
= sd_bus_message_read(message
, "s", &id
);
1090 if (mode
!= UNIT_CHECK
) {
1091 r
= free_and_strdup(&c
->utmp_id
, id
);
1095 unit_write_drop_in_private_format(u
, mode
, name
, "UtmpIdentifier=%s\n", strempty(id
));
1100 } else if (streq(name
, "UtmpMode")) {
1104 r
= sd_bus_message_read(message
, "s", &s
);
1108 m
= exec_utmp_mode_from_string(s
);
1110 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid utmp mode");
1112 if (mode
!= UNIT_CHECK
) {
1115 unit_write_drop_in_private_format(u
, mode
, name
, "UtmpMode=%s\n", exec_utmp_mode_to_string(m
));
1120 } else if (streq(name
, "PAMName")) {
1123 r
= sd_bus_message_read(message
, "s", &n
);
1127 if (mode
!= UNIT_CHECK
) {
1128 r
= free_and_strdup(&c
->pam_name
, n
);
1132 unit_write_drop_in_private_format(u
, mode
, name
, "PAMName=%s\n", strempty(n
));
1137 } else if (streq(name
, "Environment")) {
1139 _cleanup_strv_free_
char **l
= NULL
;
1141 r
= sd_bus_message_read_strv(message
, &l
);
1145 if (!strv_env_is_valid(l
))
1146 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid environment block.");
1148 if (mode
!= UNIT_CHECK
) {
1149 _cleanup_free_
char *joined
= NULL
;
1152 if (strv_length(l
) == 0) {
1153 c
->environment
= strv_free(c
->environment
);
1154 unit_write_drop_in_private_format(u
, mode
, name
, "Environment=\n");
1156 e
= strv_env_merge(2, c
->environment
, l
);
1160 strv_free(c
->environment
);
1163 joined
= strv_join_quoted(c
->environment
);
1167 unit_write_drop_in_private_format(u
, mode
, name
, "Environment=%s\n", joined
);
1173 } else if (streq(name
, "TimerSlackNSec")) {
1177 r
= sd_bus_message_read(message
, "t", &n
);
1181 if (mode
!= UNIT_CHECK
) {
1182 c
->timer_slack_nsec
= n
;
1183 unit_write_drop_in_private_format(u
, mode
, name
, "TimerSlackNSec=" NSEC_FMT
"\n", n
);
1188 } else if (streq(name
, "OOMScoreAdjust")) {
1191 r
= sd_bus_message_read(message
, "i", &oa
);
1195 if (!oom_score_adjust_is_valid(oa
))
1196 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "OOM score adjust value out of range");
1198 if (mode
!= UNIT_CHECK
) {
1199 c
->oom_score_adjust
= oa
;
1200 c
->oom_score_adjust_set
= true;
1201 unit_write_drop_in_private_format(u
, mode
, name
, "OOMScoreAdjust=%i\n", oa
);
1206 } else if (streq(name
, "EnvironmentFiles")) {
1208 _cleanup_free_
char *joined
= NULL
;
1209 _cleanup_fclose_
FILE *f
= NULL
;
1210 _cleanup_free_
char **l
= NULL
;
1214 r
= sd_bus_message_enter_container(message
, 'a', "(sb)");
1218 f
= open_memstream(&joined
, &size
);
1222 STRV_FOREACH(i
, c
->environment_files
)
1223 fprintf(f
, "EnvironmentFile=%s\n", *i
);
1225 while ((r
= sd_bus_message_enter_container(message
, 'r', "sb")) > 0) {
1229 r
= sd_bus_message_read(message
, "sb", &path
, &b
);
1233 r
= sd_bus_message_exit_container(message
);
1237 if (!isempty(path
) && !path_is_absolute(path
))
1238 return sd_bus_error_set_errnof(error
, EINVAL
, "Path %s is not absolute.", path
);
1240 if (mode
!= UNIT_CHECK
) {
1243 buf
= strjoin(b
? "-" : "", path
, NULL
);
1247 fprintf(f
, "EnvironmentFile=%s\n", buf
);
1249 r
= strv_consume(&l
, buf
);
1257 r
= sd_bus_message_exit_container(message
);
1261 r
= fflush_and_check(f
);
1265 if (mode
!= UNIT_CHECK
) {
1266 if (strv_isempty(l
)) {
1267 c
->environment_files
= strv_free(c
->environment_files
);
1268 unit_write_drop_in_private(u
, mode
, name
, "EnvironmentFile=\n");
1270 r
= strv_extend_strv(&c
->environment_files
, l
, true);
1274 unit_write_drop_in_private(u
, mode
, name
, joined
);
1280 } else if (streq(name
, "PassEnvironment")) {
1282 _cleanup_strv_free_
char **l
= NULL
;
1284 r
= sd_bus_message_read_strv(message
, &l
);
1288 if (!strv_env_name_is_valid(l
))
1289 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid PassEnvironment block.");
1291 if (mode
!= UNIT_CHECK
) {
1292 if (strv_isempty(l
)) {
1293 c
->pass_environment
= strv_free(c
->pass_environment
);
1294 unit_write_drop_in_private_format(u
, mode
, name
, "PassEnvironment=\n");
1296 _cleanup_free_
char *joined
= NULL
;
1298 r
= strv_extend_strv(&c
->pass_environment
, l
, true);
1302 joined
= strv_join_quoted(c
->pass_environment
);
1306 unit_write_drop_in_private_format(u
, mode
, name
, "PassEnvironment=%s\n", joined
);
1312 } else if (STR_IN_SET(name
, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories")) {
1314 _cleanup_strv_free_
char **l
= NULL
;
1318 r
= sd_bus_message_read_strv(message
, &l
);
1322 STRV_FOREACH(p
, l
) {
1324 if (!utf8_is_valid(*p
))
1325 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid %s", name
);
1327 offset
= **p
== '-';
1328 if (!path_is_absolute(*p
+ offset
))
1329 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid %s", name
);
1332 if (mode
!= UNIT_CHECK
) {
1333 _cleanup_free_
char *joined
= NULL
;
1335 if (streq(name
, "ReadWriteDirectories"))
1336 dirs
= &c
->read_write_dirs
;
1337 else if (streq(name
, "ReadOnlyDirectories"))
1338 dirs
= &c
->read_only_dirs
;
1339 else /* "InaccessibleDirectories" */
1340 dirs
= &c
->inaccessible_dirs
;
1342 if (strv_length(l
) == 0) {
1343 *dirs
= strv_free(*dirs
);
1344 unit_write_drop_in_private_format(u
, mode
, name
, "%s=\n", name
);
1346 r
= strv_extend_strv(dirs
, l
, true);
1351 joined
= strv_join_quoted(*dirs
);
1355 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, joined
);
1362 } else if (streq(name
, "ProtectSystem")) {
1366 r
= sd_bus_message_read(message
, "s", &s
);
1370 r
= parse_boolean(s
);
1372 ps
= PROTECT_SYSTEM_YES
;
1374 ps
= PROTECT_SYSTEM_NO
;
1376 ps
= protect_system_from_string(s
);
1378 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Failed to parse protect system value");
1381 if (mode
!= UNIT_CHECK
) {
1382 c
->protect_system
= ps
;
1383 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, s
);
1388 } else if (streq(name
, "ProtectHome")) {
1392 r
= sd_bus_message_read(message
, "s", &s
);
1396 r
= parse_boolean(s
);
1398 ph
= PROTECT_HOME_YES
;
1400 ph
= PROTECT_HOME_NO
;
1402 ph
= protect_home_from_string(s
);
1404 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Failed to parse protect home value");
1407 if (mode
!= UNIT_CHECK
) {
1408 c
->protect_home
= ph
;
1409 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, s
);
1414 } else if (streq(name
, "RuntimeDirectory")) {
1415 _cleanup_strv_free_
char **l
= NULL
;
1418 r
= sd_bus_message_read_strv(message
, &l
);
1422 STRV_FOREACH(p
, l
) {
1423 if (!filename_is_valid(*p
))
1424 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Runtime directory is not valid %s", *p
);
1427 if (mode
!= UNIT_CHECK
) {
1428 _cleanup_free_
char *joined
= NULL
;
1430 if (strv_isempty(l
)) {
1431 c
->runtime_directory
= strv_free(c
->runtime_directory
);
1432 unit_write_drop_in_private_format(u
, mode
, name
, "%s=\n", name
);
1434 r
= strv_extend_strv(&c
->runtime_directory
, l
, true);
1439 joined
= strv_join_quoted(c
->runtime_directory
);
1443 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, joined
);
1449 } else if (streq(name
, "SELinuxContext")) {
1452 r
= sd_bus_message_read(message
, "s", &s
);
1456 if (mode
!= UNIT_CHECK
) {
1458 c
->selinux_context
= mfree(c
->selinux_context
);
1459 else if (free_and_strdup(&c
->selinux_context
, s
) < 0)
1462 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, strempty(s
));
1469 ri
= rlimit_from_string(name
);
1471 soft
= endswith(name
, "Soft");
1475 n
= strndupa(name
, soft
- name
);
1476 ri
= rlimit_from_string(n
);
1487 r
= sd_bus_message_read(message
, "t", &rl
);
1491 if (rl
== (uint64_t) -1)
1496 if ((uint64_t) x
!= rl
)
1500 if (mode
!= UNIT_CHECK
) {
1501 _cleanup_free_
char *f
= NULL
;
1504 if (c
->rlimit
[ri
]) {
1505 nl
= *c
->rlimit
[ri
];
1512 /* When the resource limit is not initialized yet, then assign the value to both fields */
1513 nl
= (struct rlimit
) {
1518 r
= rlimit_format(&nl
, &f
);
1523 *c
->rlimit
[ri
] = nl
;
1525 c
->rlimit
[ri
] = newdup(struct rlimit
, &nl
, 1);
1530 unit_write_drop_in_private_format(u
, mode
, name
, "%s=%s\n", name
, f
);