1 /* SPDX-License-Identifier: LGPL-2.1+ */
12 #include "alloc-util.h"
15 #include "capability-util.h"
16 #include "cpu-set-util.h"
17 #include "dbus-execute.h"
18 #include "dbus-util.h"
20 #include "errno-list.h"
25 #include "hexdecoct.h"
28 #include "journal-util.h"
30 #include "mount-util.h"
31 #include "namespace.h"
32 #include "parse-util.h"
33 #include "path-util.h"
34 #include "process-util.h"
35 #include "rlimit-util.h"
37 #include "seccomp-util.h"
39 #include "securebits-util.h"
40 #include "specifier.h"
42 #include "syslog-util.h"
43 #include "unit-printf.h"
44 #include "user-util.h"
47 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output
, exec_output
, ExecOutput
);
48 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input
, exec_input
, ExecInput
);
49 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode
, exec_utmp_mode
, ExecUtmpMode
);
50 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_preserve_mode
, exec_preserve_mode
, ExecPreserveMode
);
51 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_keyring_mode
, exec_keyring_mode
, ExecKeyringMode
);
52 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_home
, protect_home
, ProtectHome
);
53 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_system
, protect_system
, ProtectSystem
);
54 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_personality
, personality
, unsigned long);
55 static BUS_DEFINE_PROPERTY_GET(property_get_ioprio
, "i", ExecContext
, exec_context_get_effective_ioprio
);
56 static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_class
, "i", ExecContext
, exec_context_get_effective_ioprio
, IOPRIO_PRIO_CLASS
);
57 static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_priority
, "i", ExecContext
, exec_context_get_effective_ioprio
, IOPRIO_PRIO_DATA
);
58 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_empty_string
, "s", NULL
);
59 static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_level
, "i", int, LOG_PRI
);
60 static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_facility
, "i", int, LOG_FAC
);
62 static int property_get_environment_files(
65 const char *interface
,
67 sd_bus_message
*reply
,
69 sd_bus_error
*error
) {
71 ExecContext
*c
= userdata
;
79 r
= sd_bus_message_open_container(reply
, 'a', "(sb)");
83 STRV_FOREACH(j
, c
->environment_files
) {
86 r
= sd_bus_message_append(reply
, "(sb)", fn
[0] == '-' ? fn
+ 1 : fn
, fn
[0] == '-');
91 return sd_bus_message_close_container(reply
);
94 static int property_get_oom_score_adjust(
97 const char *interface
,
99 sd_bus_message
*reply
,
101 sd_bus_error
*error
) {
103 ExecContext
*c
= userdata
;
110 if (c
->oom_score_adjust_set
)
111 n
= c
->oom_score_adjust
;
113 _cleanup_free_
char *t
= NULL
;
116 if (read_one_line_file("/proc/self/oom_score_adj", &t
) >= 0)
120 return sd_bus_message_append(reply
, "i", n
);
123 static int property_get_nice(
126 const char *interface
,
127 const char *property
,
128 sd_bus_message
*reply
,
130 sd_bus_error
*error
) {
132 ExecContext
*c
= userdata
;
143 n
= getpriority(PRIO_PROCESS
, 0);
148 return sd_bus_message_append(reply
, "i", n
);
151 static int property_get_cpu_sched_policy(
154 const char *interface
,
155 const char *property
,
156 sd_bus_message
*reply
,
158 sd_bus_error
*error
) {
160 ExecContext
*c
= userdata
;
167 if (c
->cpu_sched_set
)
168 n
= c
->cpu_sched_policy
;
170 n
= sched_getscheduler(0);
175 return sd_bus_message_append(reply
, "i", n
);
178 static int property_get_cpu_sched_priority(
181 const char *interface
,
182 const char *property
,
183 sd_bus_message
*reply
,
185 sd_bus_error
*error
) {
187 ExecContext
*c
= userdata
;
194 if (c
->cpu_sched_set
)
195 n
= c
->cpu_sched_priority
;
197 struct sched_param p
= {};
199 if (sched_getparam(0, &p
) >= 0)
200 n
= p
.sched_priority
;
205 return sd_bus_message_append(reply
, "i", n
);
208 static int property_get_cpu_affinity(
211 const char *interface
,
212 const char *property
,
213 sd_bus_message
*reply
,
215 sd_bus_error
*error
) {
217 ExecContext
*c
= userdata
;
223 return sd_bus_message_append_array(reply
, 'y', c
->cpuset
, CPU_ALLOC_SIZE(c
->cpuset_ncpus
));
226 static int property_get_timer_slack_nsec(
229 const char *interface
,
230 const char *property
,
231 sd_bus_message
*reply
,
233 sd_bus_error
*error
) {
235 ExecContext
*c
= userdata
;
242 if (c
->timer_slack_nsec
!= NSEC_INFINITY
)
243 u
= (uint64_t) c
->timer_slack_nsec
;
245 u
= (uint64_t) prctl(PR_GET_TIMERSLACK
);
247 return sd_bus_message_append(reply
, "t", u
);
250 static int property_get_syscall_filter(
253 const char *interface
,
254 const char *property
,
255 sd_bus_message
*reply
,
257 sd_bus_error
*error
) {
259 ExecContext
*c
= userdata
;
260 _cleanup_strv_free_
char **l
= NULL
;
272 r
= sd_bus_message_open_container(reply
, 'r', "bas");
276 r
= sd_bus_message_append(reply
, "b", c
->syscall_whitelist
);
281 HASHMAP_FOREACH_KEY(val
, id
, c
->syscall_filter
, i
) {
282 _cleanup_free_
char *name
= NULL
;
283 const char *e
= NULL
;
285 int num
= PTR_TO_INT(val
);
287 name
= seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE
, PTR_TO_INT(id
) - 1);
292 e
= errno_to_name(num
);
294 s
= strjoin(name
, ":", e
);
298 r
= asprintf(&s
, "%s:%d", name
, num
);
305 r
= strv_consume(&l
, s
);
313 r
= sd_bus_message_append_strv(reply
, l
);
317 return sd_bus_message_close_container(reply
);
320 static int property_get_syscall_archs(
323 const char *interface
,
324 const char *property
,
325 sd_bus_message
*reply
,
327 sd_bus_error
*error
) {
329 ExecContext
*c
= userdata
;
330 _cleanup_strv_free_
char **l
= NULL
;
343 SET_FOREACH(id
, c
->syscall_archs
, i
) {
346 name
= seccomp_arch_to_string(PTR_TO_UINT32(id
) - 1);
350 r
= strv_extend(&l
, name
);
358 r
= sd_bus_message_append_strv(reply
, l
);
365 static int property_get_selinux_context(
368 const char *interface
,
369 const char *property
,
370 sd_bus_message
*reply
,
372 sd_bus_error
*error
) {
374 ExecContext
*c
= userdata
;
380 return sd_bus_message_append(reply
, "(bs)", c
->selinux_context_ignore
, c
->selinux_context
);
383 static int property_get_apparmor_profile(
386 const char *interface
,
387 const char *property
,
388 sd_bus_message
*reply
,
390 sd_bus_error
*error
) {
392 ExecContext
*c
= userdata
;
398 return sd_bus_message_append(reply
, "(bs)", c
->apparmor_profile_ignore
, c
->apparmor_profile
);
401 static int property_get_smack_process_label(
404 const char *interface
,
405 const char *property
,
406 sd_bus_message
*reply
,
408 sd_bus_error
*error
) {
410 ExecContext
*c
= userdata
;
416 return sd_bus_message_append(reply
, "(bs)", c
->smack_process_label_ignore
, c
->smack_process_label
);
419 static int property_get_address_families(
422 const char *interface
,
423 const char *property
,
424 sd_bus_message
*reply
,
426 sd_bus_error
*error
) {
428 ExecContext
*c
= userdata
;
429 _cleanup_strv_free_
char **l
= NULL
;
438 r
= sd_bus_message_open_container(reply
, 'r', "bas");
442 r
= sd_bus_message_append(reply
, "b", c
->address_families_whitelist
);
446 SET_FOREACH(af
, c
->address_families
, i
) {
449 name
= af_to_name(PTR_TO_INT(af
));
453 r
= strv_extend(&l
, name
);
460 r
= sd_bus_message_append_strv(reply
, l
);
464 return sd_bus_message_close_container(reply
);
467 static int property_get_working_directory(
470 const char *interface
,
471 const char *property
,
472 sd_bus_message
*reply
,
474 sd_bus_error
*error
) {
476 ExecContext
*c
= userdata
;
483 if (c
->working_directory_home
)
486 wd
= c
->working_directory
;
488 if (c
->working_directory_missing_ok
)
489 wd
= strjoina("!", wd
);
491 return sd_bus_message_append(reply
, "s", wd
);
494 static int property_get_stdio_fdname(
497 const char *interface
,
498 const char *property
,
499 sd_bus_message
*reply
,
501 sd_bus_error
*error
) {
503 ExecContext
*c
= userdata
;
511 if (streq(property
, "StandardInputFileDescriptorName"))
512 fileno
= STDIN_FILENO
;
513 else if (streq(property
, "StandardOutputFileDescriptorName"))
514 fileno
= STDOUT_FILENO
;
516 assert(streq(property
, "StandardErrorFileDescriptorName"));
517 fileno
= STDERR_FILENO
;
520 return sd_bus_message_append(reply
, "s", exec_context_fdname(c
, fileno
));
523 static int property_get_input_data(
526 const char *interface
,
527 const char *property
,
528 sd_bus_message
*reply
,
530 sd_bus_error
*error
) {
532 ExecContext
*c
= userdata
;
539 return sd_bus_message_append_array(reply
, 'y', c
->stdin_data
, c
->stdin_data_size
);
542 static int property_get_bind_paths(
545 const char *interface
,
546 const char *property
,
547 sd_bus_message
*reply
,
549 sd_bus_error
*error
) {
551 ExecContext
*c
= userdata
;
561 ro
= strstr(property
, "ReadOnly");
563 r
= sd_bus_message_open_container(reply
, 'a', "(ssbt)");
567 for (i
= 0; i
< c
->n_bind_mounts
; i
++) {
569 if (ro
!= c
->bind_mounts
[i
].read_only
)
572 r
= sd_bus_message_append(
574 c
->bind_mounts
[i
].source
,
575 c
->bind_mounts
[i
].destination
,
576 c
->bind_mounts
[i
].ignore_enoent
,
577 c
->bind_mounts
[i
].recursive
? (uint64_t) MS_REC
: (uint64_t) 0);
582 return sd_bus_message_close_container(reply
);
585 static int property_get_temporary_filesystems(
588 const char *interface
,
589 const char *property
,
590 sd_bus_message
*reply
,
592 sd_bus_error
*error
) {
594 ExecContext
*c
= userdata
;
603 r
= sd_bus_message_open_container(reply
, 'a', "(ss)");
607 for (i
= 0; i
< c
->n_temporary_filesystems
; i
++) {
608 TemporaryFileSystem
*t
= c
->temporary_filesystems
+ i
;
610 r
= sd_bus_message_append(
618 return sd_bus_message_close_container(reply
);
621 static int property_get_log_extra_fields(
624 const char *interface
,
625 const char *property
,
626 sd_bus_message
*reply
,
628 sd_bus_error
*error
) {
630 ExecContext
*c
= userdata
;
639 r
= sd_bus_message_open_container(reply
, 'a', "ay");
643 for (i
= 0; i
< c
->n_log_extra_fields
; i
++) {
644 r
= sd_bus_message_append_array(reply
, 'y', c
->log_extra_fields
[i
].iov_base
, c
->log_extra_fields
[i
].iov_len
);
649 return sd_bus_message_close_container(reply
);
652 const sd_bus_vtable bus_exec_vtable
[] = {
653 SD_BUS_VTABLE_START(0),
654 SD_BUS_PROPERTY("Environment", "as", NULL
, offsetof(ExecContext
, environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
655 SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
656 SD_BUS_PROPERTY("PassEnvironment", "as", NULL
, offsetof(ExecContext
, pass_environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
657 SD_BUS_PROPERTY("UnsetEnvironment", "as", NULL
, offsetof(ExecContext
, unset_environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
658 SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode
, offsetof(ExecContext
, umask
), SD_BUS_VTABLE_PROPERTY_CONST
),
659 SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
660 SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
661 SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
662 SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
663 SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
664 SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
665 SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
666 SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
667 SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
668 SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
669 SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
670 SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
671 SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
672 SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
673 SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
674 SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
675 SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
676 SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
677 SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
678 SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
679 SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
680 SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
681 SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
682 SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
683 SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
684 SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
685 SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
686 SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
687 SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
688 SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
689 SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
690 SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
691 SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
692 SD_BUS_PROPERTY("RootDirectory", "s", NULL
, offsetof(ExecContext
, root_directory
), SD_BUS_VTABLE_PROPERTY_CONST
),
693 SD_BUS_PROPERTY("RootImage", "s", NULL
, offsetof(ExecContext
, root_image
), SD_BUS_VTABLE_PROPERTY_CONST
),
694 SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
695 SD_BUS_PROPERTY("Nice", "i", property_get_nice
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
696 SD_BUS_PROPERTY("IOSchedulingClass", "i", property_get_ioprio_class
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
697 SD_BUS_PROPERTY("IOSchedulingPriority", "i", property_get_ioprio_priority
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
698 SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
699 SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
700 SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
701 SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
702 SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool
, offsetof(ExecContext
, cpu_sched_reset_on_fork
), SD_BUS_VTABLE_PROPERTY_CONST
),
703 SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool
, offsetof(ExecContext
, non_blocking
), SD_BUS_VTABLE_PROPERTY_CONST
),
704 SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input
, offsetof(ExecContext
, std_input
), SD_BUS_VTABLE_PROPERTY_CONST
),
705 SD_BUS_PROPERTY("StandardInputFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
706 SD_BUS_PROPERTY("StandardInputData", "ay", property_get_input_data
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
707 SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_output
), SD_BUS_VTABLE_PROPERTY_CONST
),
708 SD_BUS_PROPERTY("StandardOutputFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
709 SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_error
), SD_BUS_VTABLE_PROPERTY_CONST
),
710 SD_BUS_PROPERTY("StandardErrorFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
711 SD_BUS_PROPERTY("TTYPath", "s", NULL
, offsetof(ExecContext
, tty_path
), SD_BUS_VTABLE_PROPERTY_CONST
),
712 SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_reset
), SD_BUS_VTABLE_PROPERTY_CONST
),
713 SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vhangup
), SD_BUS_VTABLE_PROPERTY_CONST
),
714 SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vt_disallocate
), SD_BUS_VTABLE_PROPERTY_CONST
),
715 SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
716 SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL
, offsetof(ExecContext
, syslog_identifier
), SD_BUS_VTABLE_PROPERTY_CONST
),
717 SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool
, offsetof(ExecContext
, syslog_level_prefix
), SD_BUS_VTABLE_PROPERTY_CONST
),
718 SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
719 SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
720 SD_BUS_PROPERTY("LogLevelMax", "i", bus_property_get_int
, offsetof(ExecContext
, log_level_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
721 SD_BUS_PROPERTY("LogRateLimitIntervalUSec", "t", bus_property_get_usec
, offsetof(ExecContext
, log_rate_limit_interval_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
722 SD_BUS_PROPERTY("LogRateLimitBurst", "u", bus_property_get_unsigned
, offsetof(ExecContext
, log_rate_limit_burst
), SD_BUS_VTABLE_PROPERTY_CONST
),
723 SD_BUS_PROPERTY("LogExtraFields", "aay", property_get_log_extra_fields
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
724 SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int
, offsetof(ExecContext
, secure_bits
), SD_BUS_VTABLE_PROPERTY_CONST
),
725 SD_BUS_PROPERTY("CapabilityBoundingSet", "t", NULL
, offsetof(ExecContext
, capability_bounding_set
), SD_BUS_VTABLE_PROPERTY_CONST
),
726 SD_BUS_PROPERTY("AmbientCapabilities", "t", NULL
, offsetof(ExecContext
, capability_ambient_set
), SD_BUS_VTABLE_PROPERTY_CONST
),
727 SD_BUS_PROPERTY("User", "s", NULL
, offsetof(ExecContext
, user
), SD_BUS_VTABLE_PROPERTY_CONST
),
728 SD_BUS_PROPERTY("Group", "s", NULL
, offsetof(ExecContext
, group
), SD_BUS_VTABLE_PROPERTY_CONST
),
729 SD_BUS_PROPERTY("DynamicUser", "b", bus_property_get_bool
, offsetof(ExecContext
, dynamic_user
), SD_BUS_VTABLE_PROPERTY_CONST
),
730 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(ExecContext
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
731 SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL
, offsetof(ExecContext
, supplementary_groups
), SD_BUS_VTABLE_PROPERTY_CONST
),
732 SD_BUS_PROPERTY("PAMName", "s", NULL
, offsetof(ExecContext
, pam_name
), SD_BUS_VTABLE_PROPERTY_CONST
),
733 SD_BUS_PROPERTY("ReadWritePaths", "as", NULL
, offsetof(ExecContext
, read_write_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
734 SD_BUS_PROPERTY("ReadOnlyPaths", "as", NULL
, offsetof(ExecContext
, read_only_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
735 SD_BUS_PROPERTY("InaccessiblePaths", "as", NULL
, offsetof(ExecContext
, inaccessible_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
736 SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong
, offsetof(ExecContext
, mount_flags
), SD_BUS_VTABLE_PROPERTY_CONST
),
737 SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool
, offsetof(ExecContext
, private_tmp
), SD_BUS_VTABLE_PROPERTY_CONST
),
738 SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool
, offsetof(ExecContext
, private_devices
), SD_BUS_VTABLE_PROPERTY_CONST
),
739 SD_BUS_PROPERTY("ProtectKernelTunables", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_kernel_tunables
), SD_BUS_VTABLE_PROPERTY_CONST
),
740 SD_BUS_PROPERTY("ProtectKernelModules", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_kernel_modules
), SD_BUS_VTABLE_PROPERTY_CONST
),
741 SD_BUS_PROPERTY("ProtectControlGroups", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_control_groups
), SD_BUS_VTABLE_PROPERTY_CONST
),
742 SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool
, offsetof(ExecContext
, private_network
), SD_BUS_VTABLE_PROPERTY_CONST
),
743 SD_BUS_PROPERTY("PrivateUsers", "b", bus_property_get_bool
, offsetof(ExecContext
, private_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
744 SD_BUS_PROPERTY("PrivateMounts", "b", bus_property_get_bool
, offsetof(ExecContext
, private_mounts
), SD_BUS_VTABLE_PROPERTY_CONST
),
745 SD_BUS_PROPERTY("ProtectHome", "s", property_get_protect_home
, offsetof(ExecContext
, protect_home
), SD_BUS_VTABLE_PROPERTY_CONST
),
746 SD_BUS_PROPERTY("ProtectSystem", "s", property_get_protect_system
, offsetof(ExecContext
, protect_system
), SD_BUS_VTABLE_PROPERTY_CONST
),
747 SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool
, offsetof(ExecContext
, same_pgrp
), SD_BUS_VTABLE_PROPERTY_CONST
),
748 SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL
, offsetof(ExecContext
, utmp_id
), SD_BUS_VTABLE_PROPERTY_CONST
),
749 SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode
, offsetof(ExecContext
, utmp_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
750 SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
751 SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
752 SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
753 SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool
, offsetof(ExecContext
, ignore_sigpipe
), SD_BUS_VTABLE_PROPERTY_CONST
),
754 SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool
, offsetof(ExecContext
, no_new_privileges
), SD_BUS_VTABLE_PROPERTY_CONST
),
755 SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
756 SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
757 SD_BUS_PROPERTY("SystemCallErrorNumber", "i", bus_property_get_int
, offsetof(ExecContext
, syscall_errno
), SD_BUS_VTABLE_PROPERTY_CONST
),
758 SD_BUS_PROPERTY("Personality", "s", property_get_personality
, offsetof(ExecContext
, personality
), SD_BUS_VTABLE_PROPERTY_CONST
),
759 SD_BUS_PROPERTY("LockPersonality", "b", bus_property_get_bool
, offsetof(ExecContext
, lock_personality
), SD_BUS_VTABLE_PROPERTY_CONST
),
760 SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
761 SD_BUS_PROPERTY("RuntimeDirectoryPreserve", "s", property_get_exec_preserve_mode
, offsetof(ExecContext
, runtime_directory_preserve_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
762 SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_RUNTIME
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
763 SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_RUNTIME
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
764 SD_BUS_PROPERTY("StateDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_STATE
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
765 SD_BUS_PROPERTY("StateDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_STATE
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
766 SD_BUS_PROPERTY("CacheDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CACHE
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
767 SD_BUS_PROPERTY("CacheDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CACHE
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
768 SD_BUS_PROPERTY("LogsDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_LOGS
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
769 SD_BUS_PROPERTY("LogsDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_LOGS
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
770 SD_BUS_PROPERTY("ConfigurationDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CONFIGURATION
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
771 SD_BUS_PROPERTY("ConfigurationDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CONFIGURATION
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
772 SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool
, offsetof(ExecContext
, memory_deny_write_execute
), SD_BUS_VTABLE_PROPERTY_CONST
),
773 SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool
, offsetof(ExecContext
, restrict_realtime
), SD_BUS_VTABLE_PROPERTY_CONST
),
774 SD_BUS_PROPERTY("RestrictNamespaces", "t", bus_property_get_ulong
, offsetof(ExecContext
, restrict_namespaces
), SD_BUS_VTABLE_PROPERTY_CONST
),
775 SD_BUS_PROPERTY("BindPaths", "a(ssbt)", property_get_bind_paths
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
776 SD_BUS_PROPERTY("BindReadOnlyPaths", "a(ssbt)", property_get_bind_paths
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
777 SD_BUS_PROPERTY("TemporaryFileSystem", "a(ss)", property_get_temporary_filesystems
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
778 SD_BUS_PROPERTY("MountAPIVFS", "b", bus_property_get_bool
, offsetof(ExecContext
, mount_apivfs
), SD_BUS_VTABLE_PROPERTY_CONST
),
779 SD_BUS_PROPERTY("KeyringMode", "s", property_get_exec_keyring_mode
, offsetof(ExecContext
, keyring_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
781 /* Obsolete/redundant properties: */
782 SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
783 SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL
, offsetof(ExecContext
, read_write_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
784 SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL
, offsetof(ExecContext
, read_only_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
785 SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL
, offsetof(ExecContext
, inaccessible_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
786 SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
791 static int append_exec_command(sd_bus_message
*reply
, ExecCommand
*c
) {
800 r
= sd_bus_message_open_container(reply
, 'r', "sasbttttuii");
804 r
= sd_bus_message_append(reply
, "s", c
->path
);
808 r
= sd_bus_message_append_strv(reply
, c
->argv
);
812 r
= sd_bus_message_append(reply
, "bttttuii",
813 !!(c
->flags
& EXEC_COMMAND_IGNORE_FAILURE
),
814 c
->exec_status
.start_timestamp
.realtime
,
815 c
->exec_status
.start_timestamp
.monotonic
,
816 c
->exec_status
.exit_timestamp
.realtime
,
817 c
->exec_status
.exit_timestamp
.monotonic
,
818 (uint32_t) c
->exec_status
.pid
,
819 (int32_t) c
->exec_status
.code
,
820 (int32_t) c
->exec_status
.status
);
824 return sd_bus_message_close_container(reply
);
827 int bus_property_get_exec_command(
830 const char *interface
,
831 const char *property
,
832 sd_bus_message
*reply
,
834 sd_bus_error
*ret_error
) {
836 ExecCommand
*c
= (ExecCommand
*) userdata
;
842 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
846 r
= append_exec_command(reply
, c
);
850 return sd_bus_message_close_container(reply
);
853 int bus_property_get_exec_command_list(
856 const char *interface
,
857 const char *property
,
858 sd_bus_message
*reply
,
860 sd_bus_error
*ret_error
) {
862 ExecCommand
*c
= *(ExecCommand
**) userdata
;
868 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
872 LIST_FOREACH(command
, c
, c
) {
873 r
= append_exec_command(reply
, c
);
878 return sd_bus_message_close_container(reply
);
881 int bus_set_transient_exec_command(
884 ExecCommand
**exec_command
,
885 sd_bus_message
*message
,
886 UnitWriteFlags flags
,
887 sd_bus_error
*error
) {
891 r
= sd_bus_message_enter_container(message
, 'a', "(sasb)");
895 while ((r
= sd_bus_message_enter_container(message
, 'r', "sasb")) > 0) {
896 _cleanup_strv_free_
char **argv
= NULL
;
900 r
= sd_bus_message_read(message
, "s", &path
);
904 if (!path_is_absolute(path
))
905 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute.", path
);
907 r
= sd_bus_message_read_strv(message
, &argv
);
911 r
= sd_bus_message_read(message
, "b", &b
);
915 r
= sd_bus_message_exit_container(message
);
919 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
922 c
= new0(ExecCommand
, 1);
926 c
->path
= strdup(path
);
932 c
->argv
= TAKE_PTR(argv
);
934 c
->flags
= b
? EXEC_COMMAND_IGNORE_FAILURE
: 0;
936 path_simplify(c
->path
, false);
937 exec_command_append_list(exec_command
, c
);
945 r
= sd_bus_message_exit_container(message
);
949 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
950 _cleanup_free_
char *buf
= NULL
;
951 _cleanup_fclose_
FILE *f
= NULL
;
956 *exec_command
= exec_command_free_list(*exec_command
);
958 f
= open_memstream(&buf
, &size
);
962 (void) __fsetlocking(f
, FSETLOCKING_BYCALLER
);
964 fputs("ExecStart=\n", f
);
966 LIST_FOREACH(command
, c
, *exec_command
) {
967 _cleanup_free_
char *a
= NULL
, *t
= NULL
;
970 p
= unit_escape_setting(c
->path
, UNIT_ESCAPE_C
|UNIT_ESCAPE_SPECIFIERS
, &t
);
974 a
= unit_concat_strv(c
->argv
, UNIT_ESCAPE_C
|UNIT_ESCAPE_SPECIFIERS
);
978 fprintf(f
, "%s=%s@%s %s\n",
980 c
->flags
& EXEC_COMMAND_IGNORE_FAILURE
? "-" : "",
985 r
= fflush_and_check(f
);
989 unit_write_setting(u
, flags
, name
, buf
);
995 static int parse_personality(const char *s
, unsigned long *p
) {
1000 v
= personality_from_string(s
);
1001 if (v
== PERSONALITY_INVALID
)
1008 static const char* mount_propagation_flags_to_string_with_check(unsigned long n
) {
1009 if (!IN_SET(n
, 0, MS_SHARED
, MS_PRIVATE
, MS_SLAVE
))
1012 return mount_propagation_flags_to_string(n
);
1015 static BUS_DEFINE_SET_TRANSIENT(nsec
, "t", uint64_t, nsec_t
, NSEC_FMT
);
1016 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(log_level
, "i", int32_t, int, "%" PRIi32
, log_level_is_valid
);
1018 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(errno
, "i", int32_t, int, "%" PRIi32
, errno_is_valid
);
1020 static BUS_DEFINE_SET_TRANSIENT_PARSE(std_input
, ExecInput
, exec_input_from_string
);
1021 static BUS_DEFINE_SET_TRANSIENT_PARSE(std_output
, ExecOutput
, exec_output_from_string
);
1022 static BUS_DEFINE_SET_TRANSIENT_PARSE(utmp_mode
, ExecUtmpMode
, exec_utmp_mode_from_string
);
1023 static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_system
, ProtectSystem
, protect_system_from_string
);
1024 static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_home
, ProtectHome
, protect_home_from_string
);
1025 static BUS_DEFINE_SET_TRANSIENT_PARSE(keyring_mode
, ExecKeyringMode
, exec_keyring_mode_from_string
);
1026 static BUS_DEFINE_SET_TRANSIENT_PARSE(preserve_mode
, ExecPreserveMode
, exec_preserve_mode_from_string
);
1027 static BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(personality
, unsigned long, parse_personality
);
1028 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(secure_bits
, "i", int32_t, int, "%" PRIi32
, secure_bits_to_string_alloc_with_check
);
1029 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(capability
, "t", uint64_t, uint64_t, "%" PRIu64
, capability_set_to_string_alloc
);
1030 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag
, "t", uint64_t, unsigned long, "%" PRIu64
, namespace_flags_to_string
);
1031 static BUS_DEFINE_SET_TRANSIENT_TO_STRING(mount_flags
, "t", uint64_t, unsigned long, "%" PRIu64
, mount_propagation_flags_to_string_with_check
);
1033 int bus_exec_context_set_transient_property(
1037 sd_bus_message
*message
,
1038 UnitWriteFlags flags
,
1039 sd_bus_error
*error
) {
1049 flags
|= UNIT_PRIVATE
;
1051 if (streq(name
, "User"))
1052 return bus_set_transient_user(u
, name
, &c
->user
, message
, flags
, error
);
1054 if (streq(name
, "Group"))
1055 return bus_set_transient_user(u
, name
, &c
->group
, message
, flags
, error
);
1057 if (streq(name
, "TTYPath"))
1058 return bus_set_transient_path(u
, name
, &c
->tty_path
, message
, flags
, error
);
1060 if (streq(name
, "RootImage"))
1061 return bus_set_transient_path(u
, name
, &c
->root_image
, message
, flags
, error
);
1063 if (streq(name
, "RootDirectory"))
1064 return bus_set_transient_path(u
, name
, &c
->root_directory
, message
, flags
, error
);
1066 if (streq(name
, "SyslogIdentifier"))
1067 return bus_set_transient_string(u
, name
, &c
->syslog_identifier
, message
, flags
, error
);
1069 if (streq(name
, "LogLevelMax"))
1070 return bus_set_transient_log_level(u
, name
, &c
->log_level_max
, message
, flags
, error
);
1072 if (streq(name
, "LogRateLimitIntervalUSec"))
1073 return bus_set_transient_usec(u
, name
, &c
->log_rate_limit_interval_usec
, message
, flags
, error
);
1075 if (streq(name
, "LogRateLimitBurst"))
1076 return bus_set_transient_unsigned(u
, name
, &c
->log_rate_limit_burst
, message
, flags
, error
);
1078 if (streq(name
, "Personality"))
1079 return bus_set_transient_personality(u
, name
, &c
->personality
, message
, flags
, error
);
1081 if (streq(name
, "StandardInput"))
1082 return bus_set_transient_std_input(u
, name
, &c
->std_input
, message
, flags
, error
);
1084 if (streq(name
, "StandardOutput"))
1085 return bus_set_transient_std_output(u
, name
, &c
->std_output
, message
, flags
, error
);
1087 if (streq(name
, "StandardError"))
1088 return bus_set_transient_std_output(u
, name
, &c
->std_error
, message
, flags
, error
);
1090 if (streq(name
, "IgnoreSIGPIPE"))
1091 return bus_set_transient_bool(u
, name
, &c
->ignore_sigpipe
, message
, flags
, error
);
1093 if (streq(name
, "TTYVHangup"))
1094 return bus_set_transient_bool(u
, name
, &c
->tty_vhangup
, message
, flags
, error
);
1096 if (streq(name
, "TTYReset"))
1097 return bus_set_transient_bool(u
, name
, &c
->tty_reset
, message
, flags
, error
);
1099 if (streq(name
, "TTYVTDisallocate"))
1100 return bus_set_transient_bool(u
, name
, &c
->tty_vt_disallocate
, message
, flags
, error
);
1102 if (streq(name
, "PrivateTmp"))
1103 return bus_set_transient_bool(u
, name
, &c
->private_tmp
, message
, flags
, error
);
1105 if (streq(name
, "PrivateDevices"))
1106 return bus_set_transient_bool(u
, name
, &c
->private_devices
, message
, flags
, error
);
1108 if (streq(name
, "PrivateMounts"))
1109 return bus_set_transient_bool(u
, name
, &c
->private_mounts
, message
, flags
, error
);
1111 if (streq(name
, "PrivateNetwork"))
1112 return bus_set_transient_bool(u
, name
, &c
->private_network
, message
, flags
, error
);
1114 if (streq(name
, "PrivateUsers"))
1115 return bus_set_transient_bool(u
, name
, &c
->private_users
, message
, flags
, error
);
1117 if (streq(name
, "NoNewPrivileges"))
1118 return bus_set_transient_bool(u
, name
, &c
->no_new_privileges
, message
, flags
, error
);
1120 if (streq(name
, "SyslogLevelPrefix"))
1121 return bus_set_transient_bool(u
, name
, &c
->syslog_level_prefix
, message
, flags
, error
);
1123 if (streq(name
, "MemoryDenyWriteExecute"))
1124 return bus_set_transient_bool(u
, name
, &c
->memory_deny_write_execute
, message
, flags
, error
);
1126 if (streq(name
, "RestrictRealtime"))
1127 return bus_set_transient_bool(u
, name
, &c
->restrict_realtime
, message
, flags
, error
);
1129 if (streq(name
, "DynamicUser"))
1130 return bus_set_transient_bool(u
, name
, &c
->dynamic_user
, message
, flags
, error
);
1132 if (streq(name
, "RemoveIPC"))
1133 return bus_set_transient_bool(u
, name
, &c
->remove_ipc
, message
, flags
, error
);
1135 if (streq(name
, "ProtectKernelTunables"))
1136 return bus_set_transient_bool(u
, name
, &c
->protect_kernel_tunables
, message
, flags
, error
);
1138 if (streq(name
, "ProtectKernelModules"))
1139 return bus_set_transient_bool(u
, name
, &c
->protect_kernel_modules
, message
, flags
, error
);
1141 if (streq(name
, "ProtectControlGroups"))
1142 return bus_set_transient_bool(u
, name
, &c
->protect_control_groups
, message
, flags
, error
);
1144 if (streq(name
, "MountAPIVFS"))
1145 return bus_set_transient_bool(u
, name
, &c
->mount_apivfs
, message
, flags
, error
);
1147 if (streq(name
, "CPUSchedulingResetOnFork"))
1148 return bus_set_transient_bool(u
, name
, &c
->cpu_sched_reset_on_fork
, message
, flags
, error
);
1150 if (streq(name
, "NonBlocking"))
1151 return bus_set_transient_bool(u
, name
, &c
->non_blocking
, message
, flags
, error
);
1153 if (streq(name
, "LockPersonality"))
1154 return bus_set_transient_bool(u
, name
, &c
->lock_personality
, message
, flags
, error
);
1156 if (streq(name
, "UtmpIdentifier"))
1157 return bus_set_transient_string(u
, name
, &c
->utmp_id
, message
, flags
, error
);
1159 if (streq(name
, "UtmpMode"))
1160 return bus_set_transient_utmp_mode(u
, name
, &c
->utmp_mode
, message
, flags
, error
);
1162 if (streq(name
, "PAMName"))
1163 return bus_set_transient_string(u
, name
, &c
->pam_name
, message
, flags
, error
);
1165 if (streq(name
, "TimerSlackNSec"))
1166 return bus_set_transient_nsec(u
, name
, &c
->timer_slack_nsec
, message
, flags
, error
);
1168 if (streq(name
, "ProtectSystem"))
1169 return bus_set_transient_protect_system(u
, name
, &c
->protect_system
, message
, flags
, error
);
1171 if (streq(name
, "ProtectHome"))
1172 return bus_set_transient_protect_home(u
, name
, &c
->protect_home
, message
, flags
, error
);
1174 if (streq(name
, "KeyringMode"))
1175 return bus_set_transient_keyring_mode(u
, name
, &c
->keyring_mode
, message
, flags
, error
);
1177 if (streq(name
, "RuntimeDirectoryPreserve"))
1178 return bus_set_transient_preserve_mode(u
, name
, &c
->runtime_directory_preserve_mode
, message
, flags
, error
);
1180 if (streq(name
, "UMask"))
1181 return bus_set_transient_mode_t(u
, name
, &c
->umask
, message
, flags
, error
);
1183 if (streq(name
, "RuntimeDirectoryMode"))
1184 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_RUNTIME
].mode
, message
, flags
, error
);
1186 if (streq(name
, "StateDirectoryMode"))
1187 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_STATE
].mode
, message
, flags
, error
);
1189 if (streq(name
, "CacheDirectoryMode"))
1190 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_CACHE
].mode
, message
, flags
, error
);
1192 if (streq(name
, "LogsDirectoryMode"))
1193 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_LOGS
].mode
, message
, flags
, error
);
1195 if (streq(name
, "ConfigurationDirectoryMode"))
1196 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_CONFIGURATION
].mode
, message
, flags
, error
);
1198 if (streq(name
, "SELinuxContext"))
1199 return bus_set_transient_string(u
, name
, &c
->selinux_context
, message
, flags
, error
);
1201 if (streq(name
, "SecureBits"))
1202 return bus_set_transient_secure_bits(u
, name
, &c
->secure_bits
, message
, flags
, error
);
1204 if (streq(name
, "CapabilityBoundingSet"))
1205 return bus_set_transient_capability(u
, name
, &c
->capability_bounding_set
, message
, flags
, error
);
1207 if (streq(name
, "AmbientCapabilities"))
1208 return bus_set_transient_capability(u
, name
, &c
->capability_ambient_set
, message
, flags
, error
);
1210 if (streq(name
, "RestrictNamespaces"))
1211 return bus_set_transient_namespace_flag(u
, name
, &c
->restrict_namespaces
, message
, flags
, error
);
1213 if (streq(name
, "MountFlags"))
1214 return bus_set_transient_mount_flags(u
, name
, &c
->mount_flags
, message
, flags
, error
);
1216 if (streq(name
, "SupplementaryGroups")) {
1217 _cleanup_strv_free_
char **l
= NULL
;
1220 r
= sd_bus_message_read_strv(message
, &l
);
1224 STRV_FOREACH(p
, l
) {
1225 if (!isempty(*p
) && !valid_user_group_name_or_id(*p
))
1226 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid supplementary group names");
1229 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1230 if (strv_isempty(l
)) {
1231 c
->supplementary_groups
= strv_free(c
->supplementary_groups
);
1232 unit_write_settingf(u
, flags
, name
, "%s=", name
);
1234 _cleanup_free_
char *joined
= NULL
;
1236 r
= strv_extend_strv(&c
->supplementary_groups
, l
, true);
1240 joined
= strv_join(c
->supplementary_groups
, " ");
1244 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "%s=%s", name
, joined
);
1250 } else if (streq(name
, "SyslogLevel")) {
1253 r
= sd_bus_message_read(message
, "i", &level
);
1257 if (!log_level_is_valid(level
))
1258 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log level value out of range");
1260 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1261 c
->syslog_priority
= (c
->syslog_priority
& LOG_FACMASK
) | level
;
1262 unit_write_settingf(u
, flags
, name
, "SyslogLevel=%i", level
);
1267 } else if (streq(name
, "SyslogFacility")) {
1270 r
= sd_bus_message_read(message
, "i", &facility
);
1274 if (!log_facility_unshifted_is_valid(facility
))
1275 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log facility value out of range");
1277 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1278 c
->syslog_priority
= (facility
<< 3) | LOG_PRI(c
->syslog_priority
);
1279 unit_write_settingf(u
, flags
, name
, "SyslogFacility=%i", facility
);
1284 } else if (streq(name
, "LogExtraFields")) {
1287 r
= sd_bus_message_enter_container(message
, 'a', "ay");
1292 _cleanup_free_
void *copy
= NULL
;
1298 /* Note that we expect a byte array for each field, instead of a string. That's because on the
1299 * lower-level journal fields can actually contain binary data and are not restricted to text,
1300 * and we should not "lose precision" in our types on the way. That said, I am pretty sure
1301 * actually encoding binary data as unit metadata is not a good idea. Hence we actually refuse
1302 * any actual binary data, and only accept UTF-8. This allows us to eventually lift this
1303 * limitation, should a good, valid usecase arise. */
1305 r
= sd_bus_message_read_array(message
, 'y', &p
, &sz
);
1311 if (memchr(p
, 0, sz
))
1312 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field contains zero byte");
1314 eq
= memchr(p
, '=', sz
);
1316 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field contains no '=' character");
1317 if (!journal_field_valid(p
, eq
- (const char*) p
, false))
1318 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field invalid");
1320 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1321 t
= reallocarray(c
->log_extra_fields
, c
->n_log_extra_fields
+1, sizeof(struct iovec
));
1324 c
->log_extra_fields
= t
;
1327 copy
= malloc(sz
+ 1);
1331 memcpy(copy
, p
, sz
);
1332 ((uint8_t*) copy
)[sz
] = 0;
1334 if (!utf8_is_valid(copy
))
1335 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field is not valid UTF-8");
1337 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1338 c
->log_extra_fields
[c
->n_log_extra_fields
++] = IOVEC_MAKE(copy
, sz
);
1339 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
, name
, "LogExtraFields=%s", (char*) copy
);
1347 r
= sd_bus_message_exit_container(message
);
1351 if (!UNIT_WRITE_FLAGS_NOOP(flags
) && n
== 0) {
1352 exec_context_free_log_extra_fields(c
);
1353 unit_write_setting(u
, flags
, name
, "LogExtraFields=");
1361 if (streq(name
, "SystemCallErrorNumber"))
1362 return bus_set_transient_errno(u
, name
, &c
->syscall_errno
, message
, flags
, error
);
1364 if (streq(name
, "SystemCallFilter")) {
1366 _cleanup_strv_free_
char **l
= NULL
;
1368 r
= sd_bus_message_enter_container(message
, 'r', "bas");
1372 r
= sd_bus_message_read(message
, "b", &whitelist
);
1376 r
= sd_bus_message_read_strv(message
, &l
);
1380 r
= sd_bus_message_exit_container(message
);
1384 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1385 _cleanup_free_
char *joined
= NULL
;
1386 bool invert
= !whitelist
;
1389 if (strv_isempty(l
)) {
1390 c
->syscall_whitelist
= false;
1391 c
->syscall_filter
= hashmap_free(c
->syscall_filter
);
1393 unit_write_settingf(u
, flags
, name
, "SystemCallFilter=");
1397 if (!c
->syscall_filter
) {
1398 c
->syscall_filter
= hashmap_new(NULL
);
1399 if (!c
->syscall_filter
)
1402 c
->syscall_whitelist
= whitelist
;
1404 if (c
->syscall_whitelist
) {
1405 r
= seccomp_parse_syscall_filter("@default", -1, c
->syscall_filter
, SECCOMP_PARSE_WHITELIST
| (invert
? SECCOMP_PARSE_INVERT
: 0));
1411 STRV_FOREACH(s
, l
) {
1412 _cleanup_free_
char *n
= NULL
;
1415 r
= parse_syscall_and_errno(*s
, &n
, &e
);
1419 r
= seccomp_parse_syscall_filter(n
, e
, c
->syscall_filter
, (invert
? SECCOMP_PARSE_INVERT
: 0) | (c
->syscall_whitelist
? SECCOMP_PARSE_WHITELIST
: 0));
1424 joined
= strv_join(l
, " ");
1428 unit_write_settingf(u
, flags
, name
, "SystemCallFilter=%s%s", whitelist
? "" : "~", joined
);
1433 } else if (streq(name
, "SystemCallArchitectures")) {
1434 _cleanup_strv_free_
char **l
= NULL
;
1436 r
= sd_bus_message_read_strv(message
, &l
);
1440 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1441 _cleanup_free_
char *joined
= NULL
;
1443 if (strv_isempty(l
))
1444 c
->syscall_archs
= set_free(c
->syscall_archs
);
1448 r
= set_ensure_allocated(&c
->syscall_archs
, NULL
);
1452 STRV_FOREACH(s
, l
) {
1455 r
= seccomp_arch_from_string(*s
, &a
);
1459 r
= set_put(c
->syscall_archs
, UINT32_TO_PTR(a
+ 1));
1466 joined
= strv_join(l
, " ");
1470 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
1475 } else if (streq(name
, "RestrictAddressFamilies")) {
1477 _cleanup_strv_free_
char **l
= NULL
;
1479 r
= sd_bus_message_enter_container(message
, 'r', "bas");
1483 r
= sd_bus_message_read(message
, "b", &whitelist
);
1487 r
= sd_bus_message_read_strv(message
, &l
);
1491 r
= sd_bus_message_exit_container(message
);
1495 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1496 _cleanup_free_
char *joined
= NULL
;
1497 bool invert
= !whitelist
;
1500 if (strv_isempty(l
)) {
1501 c
->address_families_whitelist
= false;
1502 c
->address_families
= set_free(c
->address_families
);
1504 unit_write_settingf(u
, flags
, name
, "RestrictAddressFamilies=");
1508 if (!c
->address_families
) {
1509 c
->address_families
= set_new(NULL
);
1510 if (!c
->address_families
)
1513 c
->address_families_whitelist
= whitelist
;
1516 STRV_FOREACH(s
, l
) {
1519 af
= af_from_name(*s
);
1523 if (!invert
== c
->address_families_whitelist
) {
1524 r
= set_put(c
->address_families
, INT_TO_PTR(af
));
1528 (void) set_remove(c
->address_families
, INT_TO_PTR(af
));
1531 joined
= strv_join(l
, " ");
1535 unit_write_settingf(u
, flags
, name
, "RestrictAddressFamilies=%s%s", whitelist
? "" : "~", joined
);
1541 if (streq(name
, "CPUAffinity")) {
1545 r
= sd_bus_message_read_array(message
, 'y', &a
, &n
);
1549 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1551 c
->cpuset
= cpu_set_mfree(c
->cpuset
);
1552 c
->cpuset_ncpus
= 0;
1553 unit_write_settingf(u
, flags
, name
, "%s=", name
);
1555 _cleanup_free_
char *str
= NULL
;
1556 size_t allocated
= 0, len
= 0, i
, ncpus
;
1558 ncpus
= CPU_SIZE_TO_NUM(n
);
1560 for (i
= 0; i
< ncpus
; i
++) {
1561 _cleanup_free_
char *p
= NULL
;
1564 if (!CPU_ISSET_S(i
, n
, (cpu_set_t
*) a
))
1567 r
= asprintf(&p
, "%zu", i
);
1573 if (!GREEDY_REALLOC(str
, allocated
, len
+ add
+ 2))
1576 strcpy(mempcpy(str
+ len
, p
, add
), " ");
1581 str
[len
- 1] = '\0';
1583 if (!c
->cpuset
|| c
->cpuset_ncpus
< ncpus
) {
1586 cpuset
= CPU_ALLOC(ncpus
);
1590 CPU_ZERO_S(n
, cpuset
);
1592 CPU_OR_S(CPU_ALLOC_SIZE(c
->cpuset_ncpus
), cpuset
, c
->cpuset
, (cpu_set_t
*) a
);
1593 CPU_FREE(c
->cpuset
);
1595 CPU_OR_S(n
, cpuset
, cpuset
, (cpu_set_t
*) a
);
1598 c
->cpuset_ncpus
= ncpus
;
1600 CPU_OR_S(n
, c
->cpuset
, c
->cpuset
, (cpu_set_t
*) a
);
1602 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, str
);
1608 } else if (streq(name
, "Nice")) {
1611 r
= sd_bus_message_read(message
, "i", &q
);
1615 if (!nice_is_valid(q
))
1616 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid Nice value: %i", q
);
1618 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1622 unit_write_settingf(u
, flags
, name
, "Nice=%i", q
);
1627 } else if (streq(name
, "CPUSchedulingPolicy")) {
1630 r
= sd_bus_message_read(message
, "i", &q
);
1634 if (!sched_policy_is_valid(q
))
1635 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid CPU scheduling policy: %i", q
);
1637 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1638 _cleanup_free_
char *s
= NULL
;
1640 r
= sched_policy_to_string_alloc(q
, &s
);
1644 c
->cpu_sched_policy
= q
;
1645 c
->cpu_sched_priority
= CLAMP(c
->cpu_sched_priority
, sched_get_priority_min(q
), sched_get_priority_max(q
));
1646 c
->cpu_sched_set
= true;
1648 unit_write_settingf(u
, flags
, name
, "CPUSchedulingPolicy=%s", s
);
1653 } else if (streq(name
, "CPUSchedulingPriority")) {
1654 int32_t p
, min
, max
;
1656 r
= sd_bus_message_read(message
, "i", &p
);
1660 min
= sched_get_priority_min(c
->cpu_sched_policy
);
1661 max
= sched_get_priority_max(c
->cpu_sched_policy
);
1662 if (p
< min
|| p
> max
)
1663 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid CPU scheduling priority: %i", p
);
1665 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1666 c
->cpu_sched_priority
= p
;
1667 c
->cpu_sched_set
= true;
1669 unit_write_settingf(u
, flags
, name
, "CPUSchedulingPriority=%i", p
);
1674 } else if (streq(name
, "IOSchedulingClass")) {
1677 r
= sd_bus_message_read(message
, "i", &q
);
1681 if (!ioprio_class_is_valid(q
))
1682 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid IO scheduling class: %i", q
);
1684 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1685 _cleanup_free_
char *s
= NULL
;
1687 r
= ioprio_class_to_string_alloc(q
, &s
);
1691 c
->ioprio
= IOPRIO_PRIO_VALUE(q
, IOPRIO_PRIO_DATA(c
->ioprio
));
1692 c
->ioprio_set
= true;
1694 unit_write_settingf(u
, flags
, name
, "IOSchedulingClass=%s", s
);
1699 } else if (streq(name
, "IOSchedulingPriority")) {
1702 r
= sd_bus_message_read(message
, "i", &p
);
1706 if (!ioprio_priority_is_valid(p
))
1707 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid IO scheduling priority: %i", p
);
1709 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1710 c
->ioprio
= IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c
->ioprio
), p
);
1711 c
->ioprio_set
= true;
1713 unit_write_settingf(u
, flags
, name
, "IOSchedulingPriority=%i", p
);
1718 } else if (streq(name
, "WorkingDirectory")) {
1722 r
= sd_bus_message_read(message
, "s", &s
);
1732 if (!isempty(s
) && !streq(s
, "~") && !path_is_absolute(s
))
1733 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "WorkingDirectory= expects an absolute path or '~'");
1735 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1736 if (streq(s
, "~")) {
1737 c
->working_directory
= mfree(c
->working_directory
);
1738 c
->working_directory_home
= true;
1740 r
= free_and_strdup(&c
->working_directory
, empty_to_null(s
));
1744 c
->working_directory_home
= false;
1747 c
->working_directory_missing_ok
= missing_ok
;
1748 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "WorkingDirectory=%s%s", missing_ok
? "-" : "", s
);
1753 } else if (STR_IN_SET(name
,
1754 "StandardInputFileDescriptorName", "StandardOutputFileDescriptorName", "StandardErrorFileDescriptorName")) {
1757 r
= sd_bus_message_read(message
, "s", &s
);
1761 if (!isempty(s
) && !fdname_is_valid(s
))
1762 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid file descriptor name");
1764 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1766 if (streq(name
, "StandardInputFileDescriptorName")) {
1767 r
= free_and_strdup(c
->stdio_fdname
+ STDIN_FILENO
, empty_to_null(s
));
1771 c
->std_input
= EXEC_INPUT_NAMED_FD
;
1772 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardInput=fd:%s", exec_context_fdname(c
, STDIN_FILENO
));
1774 } else if (streq(name
, "StandardOutputFileDescriptorName")) {
1775 r
= free_and_strdup(c
->stdio_fdname
+ STDOUT_FILENO
, empty_to_null(s
));
1779 c
->std_output
= EXEC_OUTPUT_NAMED_FD
;
1780 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=fd:%s", exec_context_fdname(c
, STDOUT_FILENO
));
1783 assert(streq(name
, "StandardErrorFileDescriptorName"));
1785 r
= free_and_strdup(&c
->stdio_fdname
[STDERR_FILENO
], empty_to_null(s
));
1789 c
->std_error
= EXEC_OUTPUT_NAMED_FD
;
1790 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardError=fd:%s", exec_context_fdname(c
, STDERR_FILENO
));
1796 } else if (STR_IN_SET(name
,
1797 "StandardInputFile",
1798 "StandardOutputFile", "StandardOutputFileToCreate", "StandardOutputFileToAppend",
1799 "StandardErrorFile", "StandardErrorFileToCreate", "StandardErrorFileToAppend")) {
1802 r
= sd_bus_message_read(message
, "s", &s
);
1807 if (!path_is_absolute(s
))
1808 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute", s
);
1809 if (!path_is_normalized(s
))
1810 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", s
);
1813 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1815 if (streq(name
, "StandardInputFile")) {
1816 r
= free_and_strdup(&c
->stdio_file
[STDIN_FILENO
], empty_to_null(s
));
1820 c
->std_input
= EXEC_INPUT_FILE
;
1821 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardInput=file:%s", s
);
1823 } else if (STR_IN_SET(name
, "StandardOutputFile", "StandardOutputFileToAppend")) {
1824 r
= free_and_strdup(&c
->stdio_file
[STDOUT_FILENO
], empty_to_null(s
));
1828 if (streq(name
, "StandardOutputFile")) {
1829 c
->std_output
= EXEC_OUTPUT_FILE
;
1830 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=file:%s", s
);
1832 assert(streq(name
, "StandardOutputFileToAppend"));
1833 c
->std_output
= EXEC_OUTPUT_FILE_APPEND
;
1834 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=append:%s", s
);
1837 assert(STR_IN_SET(name
, "StandardErrorFile", "StandardErrorFileToAppend"));
1839 r
= free_and_strdup(&c
->stdio_file
[STDERR_FILENO
], empty_to_null(s
));
1843 if (streq(name
, "StandardErrorFile")) {
1844 c
->std_error
= EXEC_OUTPUT_FILE
;
1845 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=file:%s", s
);
1847 assert(streq(name
, "StandardErrorFileToAppend"));
1848 c
->std_error
= EXEC_OUTPUT_FILE_APPEND
;
1849 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=append:%s", s
);
1856 } else if (streq(name
, "StandardInputData")) {
1860 r
= sd_bus_message_read_array(message
, 'y', &p
, &sz
);
1864 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1865 _cleanup_free_
char *encoded
= NULL
;
1868 c
->stdin_data
= mfree(c
->stdin_data
);
1869 c
->stdin_data_size
= 0;
1871 unit_write_settingf(u
, flags
, name
, "StandardInputData=");
1876 if (c
->stdin_data_size
+ sz
< c
->stdin_data_size
|| /* check for overflow */
1877 c
->stdin_data_size
+ sz
> EXEC_STDIN_DATA_MAX
)
1880 n
= base64mem(p
, sz
, &encoded
);
1884 q
= realloc(c
->stdin_data
, c
->stdin_data_size
+ sz
);
1888 memcpy((uint8_t*) q
+ c
->stdin_data_size
, p
, sz
);
1891 c
->stdin_data_size
+= sz
;
1893 unit_write_settingf(u
, flags
, name
, "StandardInputData=%s", encoded
);
1899 } else if (streq(name
, "Environment")) {
1901 _cleanup_strv_free_
char **l
= NULL
;
1903 r
= sd_bus_message_read_strv(message
, &l
);
1907 if (!strv_env_is_valid(l
))
1908 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid environment block.");
1910 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1911 if (strv_isempty(l
)) {
1912 c
->environment
= strv_free(c
->environment
);
1913 unit_write_setting(u
, flags
, name
, "Environment=");
1915 _cleanup_free_
char *joined
= NULL
;
1918 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
);
1922 e
= strv_env_merge(2, c
->environment
, l
);
1926 strv_free_and_replace(c
->environment
, e
);
1927 unit_write_settingf(u
, flags
, name
, "Environment=%s", joined
);
1933 } else if (streq(name
, "UnsetEnvironment")) {
1935 _cleanup_strv_free_
char **l
= NULL
;
1937 r
= sd_bus_message_read_strv(message
, &l
);
1941 if (!strv_env_name_or_assignment_is_valid(l
))
1942 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UnsetEnvironment= list.");
1944 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1945 if (strv_isempty(l
)) {
1946 c
->unset_environment
= strv_free(c
->unset_environment
);
1947 unit_write_setting(u
, flags
, name
, "UnsetEnvironment=");
1949 _cleanup_free_
char *joined
= NULL
;
1952 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
);
1956 e
= strv_env_merge(2, c
->unset_environment
, l
);
1960 strv_free_and_replace(c
->unset_environment
, e
);
1961 unit_write_settingf(u
, flags
, name
, "UnsetEnvironment=%s", joined
);
1967 } else if (streq(name
, "OOMScoreAdjust")) {
1970 r
= sd_bus_message_read(message
, "i", &oa
);
1974 if (!oom_score_adjust_is_valid(oa
))
1975 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "OOM score adjust value out of range");
1977 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1978 c
->oom_score_adjust
= oa
;
1979 c
->oom_score_adjust_set
= true;
1980 unit_write_settingf(u
, flags
, name
, "OOMScoreAdjust=%i", oa
);
1985 } else if (streq(name
, "EnvironmentFiles")) {
1987 _cleanup_free_
char *joined
= NULL
;
1988 _cleanup_fclose_
FILE *f
= NULL
;
1989 _cleanup_strv_free_
char **l
= NULL
;
1993 r
= sd_bus_message_enter_container(message
, 'a', "(sb)");
1997 f
= open_memstream(&joined
, &size
);
2001 (void) __fsetlocking(f
, FSETLOCKING_BYCALLER
);
2003 fputs("EnvironmentFile=\n", f
);
2005 STRV_FOREACH(i
, c
->environment_files
) {
2006 _cleanup_free_
char *q
= NULL
;
2008 q
= specifier_escape(*i
);
2012 fprintf(f
, "EnvironmentFile=%s\n", q
);
2015 while ((r
= sd_bus_message_enter_container(message
, 'r', "sb")) > 0) {
2019 r
= sd_bus_message_read(message
, "sb", &path
, &b
);
2023 r
= sd_bus_message_exit_container(message
);
2027 if (!path_is_absolute(path
))
2028 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute.", path
);
2030 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2031 _cleanup_free_
char *q
= NULL
;
2034 buf
= strjoin(b
? "-" : "", path
);
2038 q
= specifier_escape(buf
);
2044 fprintf(f
, "EnvironmentFile=%s\n", q
);
2046 r
= strv_consume(&l
, buf
);
2054 r
= sd_bus_message_exit_container(message
);
2058 r
= fflush_and_check(f
);
2062 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2063 if (strv_isempty(l
)) {
2064 c
->environment_files
= strv_free(c
->environment_files
);
2065 unit_write_setting(u
, flags
, name
, "EnvironmentFile=");
2067 r
= strv_extend_strv(&c
->environment_files
, l
, true);
2071 unit_write_setting(u
, flags
, name
, joined
);
2077 } else if (streq(name
, "PassEnvironment")) {
2079 _cleanup_strv_free_
char **l
= NULL
;
2081 r
= sd_bus_message_read_strv(message
, &l
);
2085 if (!strv_env_name_is_valid(l
))
2086 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid PassEnvironment= block.");
2088 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2089 if (strv_isempty(l
)) {
2090 c
->pass_environment
= strv_free(c
->pass_environment
);
2091 unit_write_setting(u
, flags
, name
, "PassEnvironment=");
2093 _cleanup_free_
char *joined
= NULL
;
2095 r
= strv_extend_strv(&c
->pass_environment
, l
, true);
2099 /* We write just the new settings out to file, with unresolved specifiers. */
2100 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2104 unit_write_settingf(u
, flags
, name
, "PassEnvironment=%s", joined
);
2110 } else if (STR_IN_SET(name
, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
2111 "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) {
2112 _cleanup_strv_free_
char **l
= NULL
;
2116 r
= sd_bus_message_read_strv(message
, &l
);
2120 STRV_FOREACH(p
, l
) {
2124 offset
= i
[0] == '-';
2125 offset
+= i
[offset
] == '+';
2126 if (!path_is_absolute(i
+ offset
))
2127 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid %s", name
);
2129 path_simplify(i
+ offset
, false);
2132 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2133 if (STR_IN_SET(name
, "ReadWriteDirectories", "ReadWritePaths"))
2134 dirs
= &c
->read_write_paths
;
2135 else if (STR_IN_SET(name
, "ReadOnlyDirectories", "ReadOnlyPaths"))
2136 dirs
= &c
->read_only_paths
;
2137 else /* "InaccessiblePaths" */
2138 dirs
= &c
->inaccessible_paths
;
2140 if (strv_isempty(l
)) {
2141 *dirs
= strv_free(*dirs
);
2142 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2144 _cleanup_free_
char *joined
= NULL
;
2146 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2150 r
= strv_extend_strv(dirs
, l
, true);
2154 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
2160 } else if (STR_IN_SET(name
, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) {
2161 _cleanup_strv_free_
char **l
= NULL
;
2164 r
= sd_bus_message_read_strv(message
, &l
);
2168 STRV_FOREACH(p
, l
) {
2169 if (!path_is_normalized(*p
))
2170 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path is not normalized: %s", name
, *p
);
2172 if (path_is_absolute(*p
))
2173 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path is absolute: %s", name
, *p
);
2175 if (path_startswith(*p
, "private"))
2176 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path can't be 'private': %s", name
, *p
);
2179 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2180 char ***dirs
= NULL
;
2181 ExecDirectoryType i
;
2183 for (i
= 0; i
< _EXEC_DIRECTORY_TYPE_MAX
; i
++)
2184 if (streq(name
, exec_directory_type_to_string(i
))) {
2185 dirs
= &c
->directories
[i
].paths
;
2191 if (strv_isempty(l
)) {
2192 *dirs
= strv_free(*dirs
);
2193 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2195 _cleanup_free_
char *joined
= NULL
;
2197 r
= strv_extend_strv(dirs
, l
, true);
2201 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2205 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
2211 } else if (STR_IN_SET(name
, "AppArmorProfile", "SmackProcessLabel")) {
2215 r
= sd_bus_message_read(message
, "(bs)", &ignore
, &s
);
2219 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2223 if (streq(name
, "AppArmorProfile")) {
2224 p
= &c
->apparmor_profile
;
2225 b
= &c
->apparmor_profile_ignore
;
2226 } else { /* "SmackProcessLabel" */
2227 p
= &c
->smack_process_label
;
2228 b
= &c
->smack_process_label_ignore
;
2235 if (free_and_strdup(p
, s
) < 0)
2240 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "%s=%s%s", name
, ignore
? "-" : "", strempty(s
));
2245 } else if (STR_IN_SET(name
, "BindPaths", "BindReadOnlyPaths")) {
2246 const char *source
, *destination
;
2248 uint64_t mount_flags
;
2251 r
= sd_bus_message_enter_container(message
, 'a', "(ssbt)");
2255 while ((r
= sd_bus_message_read(message
, "(ssbt)", &source
, &destination
, &ignore_enoent
, &mount_flags
)) > 0) {
2257 if (!path_is_absolute(source
))
2258 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Source path %s is not absolute.", source
);
2259 if (!path_is_absolute(destination
))
2260 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Destination path %s is not absolute.", destination
);
2261 if (!IN_SET(mount_flags
, 0, MS_REC
))
2262 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unknown mount flags.");
2264 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2265 r
= bind_mount_add(&c
->bind_mounts
, &c
->n_bind_mounts
,
2267 .source
= strdup(source
),
2268 .destination
= strdup(destination
),
2269 .read_only
= !!strstr(name
, "ReadOnly"),
2270 .recursive
= !!(mount_flags
& MS_REC
),
2271 .ignore_enoent
= ignore_enoent
,
2276 unit_write_settingf(
2277 u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
,
2280 ignore_enoent
? "-" : "",
2283 (mount_flags
& MS_REC
) ? "rbind" : "norbind");
2291 r
= sd_bus_message_exit_container(message
);
2296 bind_mount_free_many(c
->bind_mounts
, c
->n_bind_mounts
);
2297 c
->bind_mounts
= NULL
;
2298 c
->n_bind_mounts
= 0;
2300 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2305 } else if (streq(name
, "TemporaryFileSystem")) {
2306 const char *path
, *options
;
2309 r
= sd_bus_message_enter_container(message
, 'a', "(ss)");
2313 while ((r
= sd_bus_message_read(message
, "(ss)", &path
, &options
)) > 0) {
2315 if (!path_is_absolute(path
))
2316 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Mount point %s is not absolute.", path
);
2318 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2319 r
= temporary_filesystem_add(&c
->temporary_filesystems
, &c
->n_temporary_filesystems
, path
, options
);
2323 unit_write_settingf(
2324 u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
,
2336 r
= sd_bus_message_exit_container(message
);
2341 temporary_filesystem_free_many(c
->temporary_filesystems
, c
->n_temporary_filesystems
);
2342 c
->temporary_filesystems
= NULL
;
2343 c
->n_temporary_filesystems
= 0;
2345 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2350 } else if ((suffix
= startswith(name
, "Limit"))) {
2351 const char *soft
= NULL
;
2354 ri
= rlimit_from_string(suffix
);
2356 soft
= endswith(suffix
, "Soft");
2360 n
= strndupa(suffix
, soft
- suffix
);
2361 ri
= rlimit_from_string(n
);
2363 name
= strjoina("Limit", n
);
2371 r
= sd_bus_message_read(message
, "t", &rl
);
2375 if (rl
== (uint64_t) -1)
2380 if ((uint64_t) x
!= rl
)
2384 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2385 _cleanup_free_
char *f
= NULL
;
2388 if (c
->rlimit
[ri
]) {
2389 nl
= *c
->rlimit
[ri
];
2396 /* When the resource limit is not initialized yet, then assign the value to both fields */
2397 nl
= (struct rlimit
) {
2402 r
= rlimit_format(&nl
, &f
);
2407 *c
->rlimit
[ri
] = nl
;
2409 c
->rlimit
[ri
] = newdup(struct rlimit
, &nl
, 1);
2414 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, f
);