1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 Copyright 2010 Lennart Poettering
15 #include "alloc-util.h"
18 #include "capability-util.h"
19 #include "cpu-set-util.h"
20 #include "dbus-execute.h"
21 #include "dbus-util.h"
23 #include "errno-list.h"
28 #include "hexdecoct.h"
31 #include "journal-util.h"
33 #include "mount-util.h"
34 #include "namespace.h"
35 #include "parse-util.h"
36 #include "path-util.h"
37 #include "process-util.h"
38 #include "rlimit-util.h"
40 #include "seccomp-util.h"
42 #include "securebits-util.h"
43 #include "specifier.h"
45 #include "syslog-util.h"
46 #include "unit-printf.h"
47 #include "user-util.h"
50 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
);
52 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode
, exec_utmp_mode
, ExecUtmpMode
);
53 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_preserve_mode
, exec_preserve_mode
, ExecPreserveMode
);
54 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_keyring_mode
, exec_keyring_mode
, ExecKeyringMode
);
55 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_home
, protect_home
, ProtectHome
);
56 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_system
, protect_system
, ProtectSystem
);
57 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_personality
, personality
, unsigned long);
58 static BUS_DEFINE_PROPERTY_GET(property_get_ioprio
, "i", ExecContext
, exec_context_get_effective_ioprio
);
59 static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_class
, "i", ExecContext
, exec_context_get_effective_ioprio
, IOPRIO_PRIO_CLASS
);
60 static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_priority
, "i", ExecContext
, exec_context_get_effective_ioprio
, IOPRIO_PRIO_DATA
);
61 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_empty_string
, "s", NULL
);
62 static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_level
, "i", int, LOG_PRI
);
63 static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_facility
, "i", int, LOG_FAC
);
65 static int property_get_environment_files(
68 const char *interface
,
70 sd_bus_message
*reply
,
72 sd_bus_error
*error
) {
74 ExecContext
*c
= userdata
;
82 r
= sd_bus_message_open_container(reply
, 'a', "(sb)");
86 STRV_FOREACH(j
, c
->environment_files
) {
89 r
= sd_bus_message_append(reply
, "(sb)", fn
[0] == '-' ? fn
+ 1 : fn
, fn
[0] == '-');
94 return sd_bus_message_close_container(reply
);
97 static int property_get_oom_score_adjust(
100 const char *interface
,
101 const char *property
,
102 sd_bus_message
*reply
,
104 sd_bus_error
*error
) {
106 ExecContext
*c
= userdata
;
113 if (c
->oom_score_adjust_set
)
114 n
= c
->oom_score_adjust
;
116 _cleanup_free_
char *t
= NULL
;
119 if (read_one_line_file("/proc/self/oom_score_adj", &t
) >= 0)
123 return sd_bus_message_append(reply
, "i", n
);
126 static int property_get_nice(
129 const char *interface
,
130 const char *property
,
131 sd_bus_message
*reply
,
133 sd_bus_error
*error
) {
135 ExecContext
*c
= userdata
;
146 n
= getpriority(PRIO_PROCESS
, 0);
151 return sd_bus_message_append(reply
, "i", n
);
154 static int property_get_cpu_sched_policy(
157 const char *interface
,
158 const char *property
,
159 sd_bus_message
*reply
,
161 sd_bus_error
*error
) {
163 ExecContext
*c
= userdata
;
170 if (c
->cpu_sched_set
)
171 n
= c
->cpu_sched_policy
;
173 n
= sched_getscheduler(0);
178 return sd_bus_message_append(reply
, "i", n
);
181 static int property_get_cpu_sched_priority(
184 const char *interface
,
185 const char *property
,
186 sd_bus_message
*reply
,
188 sd_bus_error
*error
) {
190 ExecContext
*c
= userdata
;
197 if (c
->cpu_sched_set
)
198 n
= c
->cpu_sched_priority
;
200 struct sched_param p
= {};
202 if (sched_getparam(0, &p
) >= 0)
203 n
= p
.sched_priority
;
208 return sd_bus_message_append(reply
, "i", n
);
211 static int property_get_cpu_affinity(
214 const char *interface
,
215 const char *property
,
216 sd_bus_message
*reply
,
218 sd_bus_error
*error
) {
220 ExecContext
*c
= userdata
;
226 return sd_bus_message_append_array(reply
, 'y', c
->cpuset
, CPU_ALLOC_SIZE(c
->cpuset_ncpus
));
229 static int property_get_timer_slack_nsec(
232 const char *interface
,
233 const char *property
,
234 sd_bus_message
*reply
,
236 sd_bus_error
*error
) {
238 ExecContext
*c
= userdata
;
245 if (c
->timer_slack_nsec
!= NSEC_INFINITY
)
246 u
= (uint64_t) c
->timer_slack_nsec
;
248 u
= (uint64_t) prctl(PR_GET_TIMERSLACK
);
250 return sd_bus_message_append(reply
, "t", u
);
253 static int property_get_syscall_filter(
256 const char *interface
,
257 const char *property
,
258 sd_bus_message
*reply
,
260 sd_bus_error
*error
) {
262 ExecContext
*c
= userdata
;
263 _cleanup_strv_free_
char **l
= NULL
;
275 r
= sd_bus_message_open_container(reply
, 'r', "bas");
279 r
= sd_bus_message_append(reply
, "b", c
->syscall_whitelist
);
284 HASHMAP_FOREACH_KEY(val
, id
, c
->syscall_filter
, i
) {
285 _cleanup_free_
char *name
= NULL
;
286 const char *e
= NULL
;
288 int num
= PTR_TO_INT(val
);
290 name
= seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE
, PTR_TO_INT(id
) - 1);
295 e
= errno_to_name(num
);
297 s
= strjoin(name
, ":", e
);
301 r
= asprintf(&s
, "%s:%d", name
, num
);
308 r
= strv_consume(&l
, s
);
316 r
= sd_bus_message_append_strv(reply
, l
);
320 return sd_bus_message_close_container(reply
);
323 static int property_get_syscall_archs(
326 const char *interface
,
327 const char *property
,
328 sd_bus_message
*reply
,
330 sd_bus_error
*error
) {
332 ExecContext
*c
= userdata
;
333 _cleanup_strv_free_
char **l
= NULL
;
346 SET_FOREACH(id
, c
->syscall_archs
, i
) {
349 name
= seccomp_arch_to_string(PTR_TO_UINT32(id
) - 1);
353 r
= strv_extend(&l
, name
);
361 r
= sd_bus_message_append_strv(reply
, l
);
368 static int property_get_selinux_context(
371 const char *interface
,
372 const char *property
,
373 sd_bus_message
*reply
,
375 sd_bus_error
*error
) {
377 ExecContext
*c
= userdata
;
383 return sd_bus_message_append(reply
, "(bs)", c
->selinux_context_ignore
, c
->selinux_context
);
386 static int property_get_apparmor_profile(
389 const char *interface
,
390 const char *property
,
391 sd_bus_message
*reply
,
393 sd_bus_error
*error
) {
395 ExecContext
*c
= userdata
;
401 return sd_bus_message_append(reply
, "(bs)", c
->apparmor_profile_ignore
, c
->apparmor_profile
);
404 static int property_get_smack_process_label(
407 const char *interface
,
408 const char *property
,
409 sd_bus_message
*reply
,
411 sd_bus_error
*error
) {
413 ExecContext
*c
= userdata
;
419 return sd_bus_message_append(reply
, "(bs)", c
->smack_process_label_ignore
, c
->smack_process_label
);
422 static int property_get_address_families(
425 const char *interface
,
426 const char *property
,
427 sd_bus_message
*reply
,
429 sd_bus_error
*error
) {
431 ExecContext
*c
= userdata
;
432 _cleanup_strv_free_
char **l
= NULL
;
441 r
= sd_bus_message_open_container(reply
, 'r', "bas");
445 r
= sd_bus_message_append(reply
, "b", c
->address_families_whitelist
);
449 SET_FOREACH(af
, c
->address_families
, i
) {
452 name
= af_to_name(PTR_TO_INT(af
));
456 r
= strv_extend(&l
, name
);
463 r
= sd_bus_message_append_strv(reply
, l
);
467 return sd_bus_message_close_container(reply
);
470 static int property_get_working_directory(
473 const char *interface
,
474 const char *property
,
475 sd_bus_message
*reply
,
477 sd_bus_error
*error
) {
479 ExecContext
*c
= userdata
;
486 if (c
->working_directory_home
)
489 wd
= c
->working_directory
;
491 if (c
->working_directory_missing_ok
)
492 wd
= strjoina("!", wd
);
494 return sd_bus_message_append(reply
, "s", wd
);
497 static int property_get_stdio_fdname(
500 const char *interface
,
501 const char *property
,
502 sd_bus_message
*reply
,
504 sd_bus_error
*error
) {
506 ExecContext
*c
= userdata
;
514 if (streq(property
, "StandardInputFileDescriptorName"))
515 fileno
= STDIN_FILENO
;
516 else if (streq(property
, "StandardOutputFileDescriptorName"))
517 fileno
= STDOUT_FILENO
;
519 assert(streq(property
, "StandardErrorFileDescriptorName"));
520 fileno
= STDERR_FILENO
;
523 return sd_bus_message_append(reply
, "s", exec_context_fdname(c
, fileno
));
526 static int property_get_input_data(
529 const char *interface
,
530 const char *property
,
531 sd_bus_message
*reply
,
533 sd_bus_error
*error
) {
535 ExecContext
*c
= userdata
;
542 return sd_bus_message_append_array(reply
, 'y', c
->stdin_data
, c
->stdin_data_size
);
545 static int property_get_bind_paths(
548 const char *interface
,
549 const char *property
,
550 sd_bus_message
*reply
,
552 sd_bus_error
*error
) {
554 ExecContext
*c
= userdata
;
564 ro
= strstr(property
, "ReadOnly");
566 r
= sd_bus_message_open_container(reply
, 'a', "(ssbt)");
570 for (i
= 0; i
< c
->n_bind_mounts
; i
++) {
572 if (ro
!= c
->bind_mounts
[i
].read_only
)
575 r
= sd_bus_message_append(
577 c
->bind_mounts
[i
].source
,
578 c
->bind_mounts
[i
].destination
,
579 c
->bind_mounts
[i
].ignore_enoent
,
580 c
->bind_mounts
[i
].recursive
? (uint64_t) MS_REC
: (uint64_t) 0);
585 return sd_bus_message_close_container(reply
);
588 static int property_get_temporary_filesystems(
591 const char *interface
,
592 const char *property
,
593 sd_bus_message
*reply
,
595 sd_bus_error
*error
) {
597 ExecContext
*c
= userdata
;
606 r
= sd_bus_message_open_container(reply
, 'a', "(ss)");
610 for (i
= 0; i
< c
->n_temporary_filesystems
; i
++) {
611 TemporaryFileSystem
*t
= c
->temporary_filesystems
+ i
;
613 r
= sd_bus_message_append(
621 return sd_bus_message_close_container(reply
);
624 static int property_get_log_extra_fields(
627 const char *interface
,
628 const char *property
,
629 sd_bus_message
*reply
,
631 sd_bus_error
*error
) {
633 ExecContext
*c
= userdata
;
642 r
= sd_bus_message_open_container(reply
, 'a', "ay");
646 for (i
= 0; i
< c
->n_log_extra_fields
; i
++) {
647 r
= sd_bus_message_append_array(reply
, 'y', c
->log_extra_fields
[i
].iov_base
, c
->log_extra_fields
[i
].iov_len
);
652 return sd_bus_message_close_container(reply
);
655 const sd_bus_vtable bus_exec_vtable
[] = {
656 SD_BUS_VTABLE_START(0),
657 SD_BUS_PROPERTY("Environment", "as", NULL
, offsetof(ExecContext
, environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
658 SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
659 SD_BUS_PROPERTY("PassEnvironment", "as", NULL
, offsetof(ExecContext
, pass_environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
660 SD_BUS_PROPERTY("UnsetEnvironment", "as", NULL
, offsetof(ExecContext
, unset_environment
), SD_BUS_VTABLE_PROPERTY_CONST
),
661 SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode
, offsetof(ExecContext
, umask
), SD_BUS_VTABLE_PROPERTY_CONST
),
662 SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
663 SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CPU
]), SD_BUS_VTABLE_PROPERTY_CONST
),
664 SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
665 SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_FSIZE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
666 SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
667 SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_DATA
]), SD_BUS_VTABLE_PROPERTY_CONST
),
668 SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
669 SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_STACK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
670 SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
671 SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_CORE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
672 SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
673 SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RSS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
674 SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
675 SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NOFILE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
676 SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
677 SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_AS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
678 SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
679 SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NPROC
]), SD_BUS_VTABLE_PROPERTY_CONST
),
680 SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
681 SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MEMLOCK
]), SD_BUS_VTABLE_PROPERTY_CONST
),
682 SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
683 SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_LOCKS
]), SD_BUS_VTABLE_PROPERTY_CONST
),
684 SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
685 SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_SIGPENDING
]), SD_BUS_VTABLE_PROPERTY_CONST
),
686 SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
687 SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_MSGQUEUE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
688 SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
689 SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_NICE
]), SD_BUS_VTABLE_PROPERTY_CONST
),
690 SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
691 SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTPRIO
]), SD_BUS_VTABLE_PROPERTY_CONST
),
692 SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
693 SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit
, offsetof(ExecContext
, rlimit
[RLIMIT_RTTIME
]), SD_BUS_VTABLE_PROPERTY_CONST
),
694 SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
695 SD_BUS_PROPERTY("RootDirectory", "s", NULL
, offsetof(ExecContext
, root_directory
), SD_BUS_VTABLE_PROPERTY_CONST
),
696 SD_BUS_PROPERTY("RootImage", "s", NULL
, offsetof(ExecContext
, root_image
), SD_BUS_VTABLE_PROPERTY_CONST
),
697 SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
698 SD_BUS_PROPERTY("Nice", "i", property_get_nice
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
699 SD_BUS_PROPERTY("IOSchedulingClass", "i", property_get_ioprio_class
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
700 SD_BUS_PROPERTY("IOSchedulingPriority", "i", property_get_ioprio_priority
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
701 SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
702 SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
703 SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
704 SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
705 SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool
, offsetof(ExecContext
, cpu_sched_reset_on_fork
), SD_BUS_VTABLE_PROPERTY_CONST
),
706 SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool
, offsetof(ExecContext
, non_blocking
), SD_BUS_VTABLE_PROPERTY_CONST
),
707 SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input
, offsetof(ExecContext
, std_input
), SD_BUS_VTABLE_PROPERTY_CONST
),
708 SD_BUS_PROPERTY("StandardInputFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
709 SD_BUS_PROPERTY("StandardInputData", "ay", property_get_input_data
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
710 SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_output
), SD_BUS_VTABLE_PROPERTY_CONST
),
711 SD_BUS_PROPERTY("StandardOutputFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
712 SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output
, offsetof(ExecContext
, std_error
), SD_BUS_VTABLE_PROPERTY_CONST
),
713 SD_BUS_PROPERTY("StandardErrorFileDescriptorName", "s", property_get_stdio_fdname
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
714 SD_BUS_PROPERTY("TTYPath", "s", NULL
, offsetof(ExecContext
, tty_path
), SD_BUS_VTABLE_PROPERTY_CONST
),
715 SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_reset
), SD_BUS_VTABLE_PROPERTY_CONST
),
716 SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vhangup
), SD_BUS_VTABLE_PROPERTY_CONST
),
717 SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool
, offsetof(ExecContext
, tty_vt_disallocate
), SD_BUS_VTABLE_PROPERTY_CONST
),
718 SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
719 SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL
, offsetof(ExecContext
, syslog_identifier
), SD_BUS_VTABLE_PROPERTY_CONST
),
720 SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool
, offsetof(ExecContext
, syslog_level_prefix
), SD_BUS_VTABLE_PROPERTY_CONST
),
721 SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
722 SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility
, offsetof(ExecContext
, syslog_priority
), SD_BUS_VTABLE_PROPERTY_CONST
),
723 SD_BUS_PROPERTY("LogLevelMax", "i", bus_property_get_int
, offsetof(ExecContext
, log_level_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
724 SD_BUS_PROPERTY("LogExtraFields", "aay", property_get_log_extra_fields
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
725 SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int
, offsetof(ExecContext
, secure_bits
), SD_BUS_VTABLE_PROPERTY_CONST
),
726 SD_BUS_PROPERTY("CapabilityBoundingSet", "t", NULL
, offsetof(ExecContext
, capability_bounding_set
), SD_BUS_VTABLE_PROPERTY_CONST
),
727 SD_BUS_PROPERTY("AmbientCapabilities", "t", NULL
, offsetof(ExecContext
, capability_ambient_set
), SD_BUS_VTABLE_PROPERTY_CONST
),
728 SD_BUS_PROPERTY("User", "s", NULL
, offsetof(ExecContext
, user
), SD_BUS_VTABLE_PROPERTY_CONST
),
729 SD_BUS_PROPERTY("Group", "s", NULL
, offsetof(ExecContext
, group
), SD_BUS_VTABLE_PROPERTY_CONST
),
730 SD_BUS_PROPERTY("DynamicUser", "b", bus_property_get_bool
, offsetof(ExecContext
, dynamic_user
), SD_BUS_VTABLE_PROPERTY_CONST
),
731 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(ExecContext
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
732 SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL
, offsetof(ExecContext
, supplementary_groups
), SD_BUS_VTABLE_PROPERTY_CONST
),
733 SD_BUS_PROPERTY("PAMName", "s", NULL
, offsetof(ExecContext
, pam_name
), SD_BUS_VTABLE_PROPERTY_CONST
),
734 SD_BUS_PROPERTY("ReadWritePaths", "as", NULL
, offsetof(ExecContext
, read_write_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
735 SD_BUS_PROPERTY("ReadOnlyPaths", "as", NULL
, offsetof(ExecContext
, read_only_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
736 SD_BUS_PROPERTY("InaccessiblePaths", "as", NULL
, offsetof(ExecContext
, inaccessible_paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
737 SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong
, offsetof(ExecContext
, mount_flags
), SD_BUS_VTABLE_PROPERTY_CONST
),
738 SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool
, offsetof(ExecContext
, private_tmp
), SD_BUS_VTABLE_PROPERTY_CONST
),
739 SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool
, offsetof(ExecContext
, private_devices
), SD_BUS_VTABLE_PROPERTY_CONST
),
740 SD_BUS_PROPERTY("ProtectKernelTunables", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_kernel_tunables
), SD_BUS_VTABLE_PROPERTY_CONST
),
741 SD_BUS_PROPERTY("ProtectKernelModules", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_kernel_modules
), SD_BUS_VTABLE_PROPERTY_CONST
),
742 SD_BUS_PROPERTY("ProtectControlGroups", "b", bus_property_get_bool
, offsetof(ExecContext
, protect_control_groups
), SD_BUS_VTABLE_PROPERTY_CONST
),
743 SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool
, offsetof(ExecContext
, private_network
), SD_BUS_VTABLE_PROPERTY_CONST
),
744 SD_BUS_PROPERTY("PrivateUsers", "b", bus_property_get_bool
, offsetof(ExecContext
, private_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
745 SD_BUS_PROPERTY("PrivateMounts", "b", bus_property_get_bool
, offsetof(ExecContext
, private_mounts
), SD_BUS_VTABLE_PROPERTY_CONST
),
746 SD_BUS_PROPERTY("ProtectHome", "s", property_get_protect_home
, offsetof(ExecContext
, protect_home
), SD_BUS_VTABLE_PROPERTY_CONST
),
747 SD_BUS_PROPERTY("ProtectSystem", "s", property_get_protect_system
, offsetof(ExecContext
, protect_system
), SD_BUS_VTABLE_PROPERTY_CONST
),
748 SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool
, offsetof(ExecContext
, same_pgrp
), SD_BUS_VTABLE_PROPERTY_CONST
),
749 SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL
, offsetof(ExecContext
, utmp_id
), SD_BUS_VTABLE_PROPERTY_CONST
),
750 SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode
, offsetof(ExecContext
, utmp_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
751 SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
752 SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
753 SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
754 SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool
, offsetof(ExecContext
, ignore_sigpipe
), SD_BUS_VTABLE_PROPERTY_CONST
),
755 SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool
, offsetof(ExecContext
, no_new_privileges
), SD_BUS_VTABLE_PROPERTY_CONST
),
756 SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
757 SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
758 SD_BUS_PROPERTY("SystemCallErrorNumber", "i", bus_property_get_int
, offsetof(ExecContext
, syscall_errno
), SD_BUS_VTABLE_PROPERTY_CONST
),
759 SD_BUS_PROPERTY("Personality", "s", property_get_personality
, offsetof(ExecContext
, personality
), SD_BUS_VTABLE_PROPERTY_CONST
),
760 SD_BUS_PROPERTY("LockPersonality", "b", bus_property_get_bool
, offsetof(ExecContext
, lock_personality
), SD_BUS_VTABLE_PROPERTY_CONST
),
761 SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
762 SD_BUS_PROPERTY("RuntimeDirectoryPreserve", "s", property_get_exec_preserve_mode
, offsetof(ExecContext
, runtime_directory_preserve_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
763 SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_RUNTIME
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
764 SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_RUNTIME
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
765 SD_BUS_PROPERTY("StateDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_STATE
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
766 SD_BUS_PROPERTY("StateDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_STATE
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
767 SD_BUS_PROPERTY("CacheDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CACHE
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
768 SD_BUS_PROPERTY("CacheDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CACHE
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
769 SD_BUS_PROPERTY("LogsDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_LOGS
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
770 SD_BUS_PROPERTY("LogsDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_LOGS
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
771 SD_BUS_PROPERTY("ConfigurationDirectoryMode", "u", bus_property_get_mode
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CONFIGURATION
].mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
772 SD_BUS_PROPERTY("ConfigurationDirectory", "as", NULL
, offsetof(ExecContext
, directories
[EXEC_DIRECTORY_CONFIGURATION
].paths
), SD_BUS_VTABLE_PROPERTY_CONST
),
773 SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool
, offsetof(ExecContext
, memory_deny_write_execute
), SD_BUS_VTABLE_PROPERTY_CONST
),
774 SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool
, offsetof(ExecContext
, restrict_realtime
), SD_BUS_VTABLE_PROPERTY_CONST
),
775 SD_BUS_PROPERTY("RestrictNamespaces", "t", bus_property_get_ulong
, offsetof(ExecContext
, restrict_namespaces
), SD_BUS_VTABLE_PROPERTY_CONST
),
776 SD_BUS_PROPERTY("BindPaths", "a(ssbt)", property_get_bind_paths
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
777 SD_BUS_PROPERTY("BindReadOnlyPaths", "a(ssbt)", property_get_bind_paths
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
778 SD_BUS_PROPERTY("TemporaryFileSystem", "a(ss)", property_get_temporary_filesystems
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
779 SD_BUS_PROPERTY("MountAPIVFS", "b", bus_property_get_bool
, offsetof(ExecContext
, mount_apivfs
), SD_BUS_VTABLE_PROPERTY_CONST
),
780 SD_BUS_PROPERTY("KeyringMode", "s", property_get_exec_keyring_mode
, offsetof(ExecContext
, keyring_mode
), SD_BUS_VTABLE_PROPERTY_CONST
),
782 /* Obsolete/redundant properties: */
783 SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
784 SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL
, offsetof(ExecContext
, read_write_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
785 SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL
, offsetof(ExecContext
, read_only_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
786 SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL
, offsetof(ExecContext
, inaccessible_paths
), SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
787 SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
792 static int append_exec_command(sd_bus_message
*reply
, ExecCommand
*c
) {
801 r
= sd_bus_message_open_container(reply
, 'r', "sasbttttuii");
805 r
= sd_bus_message_append(reply
, "s", c
->path
);
809 r
= sd_bus_message_append_strv(reply
, c
->argv
);
813 r
= sd_bus_message_append(reply
, "bttttuii",
814 !!(c
->flags
& EXEC_COMMAND_IGNORE_FAILURE
),
815 c
->exec_status
.start_timestamp
.realtime
,
816 c
->exec_status
.start_timestamp
.monotonic
,
817 c
->exec_status
.exit_timestamp
.realtime
,
818 c
->exec_status
.exit_timestamp
.monotonic
,
819 (uint32_t) c
->exec_status
.pid
,
820 (int32_t) c
->exec_status
.code
,
821 (int32_t) c
->exec_status
.status
);
825 return sd_bus_message_close_container(reply
);
828 int bus_property_get_exec_command(
831 const char *interface
,
832 const char *property
,
833 sd_bus_message
*reply
,
835 sd_bus_error
*ret_error
) {
837 ExecCommand
*c
= (ExecCommand
*) userdata
;
843 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
847 r
= append_exec_command(reply
, c
);
851 return sd_bus_message_close_container(reply
);
854 int bus_property_get_exec_command_list(
857 const char *interface
,
858 const char *property
,
859 sd_bus_message
*reply
,
861 sd_bus_error
*ret_error
) {
863 ExecCommand
*c
= *(ExecCommand
**) userdata
;
869 r
= sd_bus_message_open_container(reply
, 'a', "(sasbttttuii)");
873 LIST_FOREACH(command
, c
, c
) {
874 r
= append_exec_command(reply
, c
);
879 return sd_bus_message_close_container(reply
);
882 int bus_set_transient_exec_command(
885 ExecCommand
**exec_command
,
886 sd_bus_message
*message
,
887 UnitWriteFlags flags
,
888 sd_bus_error
*error
) {
892 r
= sd_bus_message_enter_container(message
, 'a', "(sasb)");
896 while ((r
= sd_bus_message_enter_container(message
, 'r', "sasb")) > 0) {
897 _cleanup_strv_free_
char **argv
= NULL
;
901 r
= sd_bus_message_read(message
, "s", &path
);
905 if (!path_is_absolute(path
))
906 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute.", path
);
908 r
= sd_bus_message_read_strv(message
, &argv
);
912 r
= sd_bus_message_read(message
, "b", &b
);
916 r
= sd_bus_message_exit_container(message
);
920 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
923 c
= new0(ExecCommand
, 1);
927 c
->path
= strdup(path
);
933 c
->argv
= TAKE_PTR(argv
);
935 c
->flags
= b
? EXEC_COMMAND_IGNORE_FAILURE
: 0;
937 path_simplify(c
->path
, false);
938 exec_command_append_list(exec_command
, c
);
946 r
= sd_bus_message_exit_container(message
);
950 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
951 _cleanup_free_
char *buf
= NULL
;
952 _cleanup_fclose_
FILE *f
= NULL
;
957 *exec_command
= exec_command_free_list(*exec_command
);
959 f
= open_memstream(&buf
, &size
);
963 (void) __fsetlocking(f
, FSETLOCKING_BYCALLER
);
965 fputs("ExecStart=\n", f
);
967 LIST_FOREACH(command
, c
, *exec_command
) {
968 _cleanup_free_
char *a
= NULL
, *t
= NULL
;
971 p
= unit_escape_setting(c
->path
, UNIT_ESCAPE_C
|UNIT_ESCAPE_SPECIFIERS
, &t
);
975 a
= unit_concat_strv(c
->argv
, UNIT_ESCAPE_C
|UNIT_ESCAPE_SPECIFIERS
);
979 fprintf(f
, "%s=%s@%s %s\n",
981 c
->flags
& EXEC_COMMAND_IGNORE_FAILURE
? "-" : "",
986 r
= fflush_and_check(f
);
990 unit_write_setting(u
, flags
, name
, buf
);
996 static int parse_personality(const char *s
, unsigned long *p
) {
1001 v
= personality_from_string(s
);
1002 if (v
== PERSONALITY_INVALID
)
1009 static const char* mount_propagation_flags_to_string_with_check(unsigned long n
) {
1010 if (!IN_SET(n
, 0, MS_SHARED
, MS_PRIVATE
, MS_SLAVE
))
1013 return mount_propagation_flags_to_string(n
);
1016 static BUS_DEFINE_SET_TRANSIENT(nsec
, "t", uint64_t, nsec_t
, NSEC_FMT
);
1017 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(log_level
, "i", int32_t, int, "%" PRIi32
, log_level_is_valid
);
1019 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(errno
, "i", int32_t, int, "%" PRIi32
, errno_is_valid
);
1021 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(sched_priority
, "i", int32_t, int, "%" PRIi32
, sched_priority_is_valid
);
1022 static BUS_DEFINE_SET_TRANSIENT_IS_VALID(nice
, "i", int32_t, int, "%" PRIi32
, nice_is_valid
);
1023 static BUS_DEFINE_SET_TRANSIENT_PARSE(std_input
, ExecInput
, exec_input_from_string
);
1024 static BUS_DEFINE_SET_TRANSIENT_PARSE(std_output
, ExecOutput
, exec_output_from_string
);
1025 static BUS_DEFINE_SET_TRANSIENT_PARSE(utmp_mode
, ExecUtmpMode
, exec_utmp_mode_from_string
);
1026 static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_system
, ProtectSystem
, protect_system_or_bool_from_string
);
1027 static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_home
, ProtectHome
, protect_home_or_bool_from_string
);
1028 static BUS_DEFINE_SET_TRANSIENT_PARSE(keyring_mode
, ExecKeyringMode
, exec_keyring_mode_from_string
);
1029 static BUS_DEFINE_SET_TRANSIENT_PARSE(preserve_mode
, ExecPreserveMode
, exec_preserve_mode_from_string
);
1030 static BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(personality
, unsigned long, parse_personality
);
1031 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(secure_bits
, "i", int32_t, int, "%" PRIi32
, secure_bits_to_string_alloc_with_check
);
1032 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(capability
, "t", uint64_t, uint64_t, "%" PRIu64
, capability_set_to_string_alloc
);
1033 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(sched_policy
, "i", int32_t, int, "%" PRIi32
, sched_policy_to_string_alloc_with_check
);
1034 static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag
, "t", uint64_t, unsigned long, "%" PRIu64
, namespace_flags_to_string
);
1035 static BUS_DEFINE_SET_TRANSIENT_TO_STRING(mount_flags
, "t", uint64_t, unsigned long, "%" PRIu64
, mount_propagation_flags_to_string_with_check
);
1037 int bus_exec_context_set_transient_property(
1041 sd_bus_message
*message
,
1042 UnitWriteFlags flags
,
1043 sd_bus_error
*error
) {
1053 flags
|= UNIT_PRIVATE
;
1055 if (streq(name
, "User"))
1056 return bus_set_transient_user(u
, name
, &c
->user
, message
, flags
, error
);
1058 if (streq(name
, "Group"))
1059 return bus_set_transient_user(u
, name
, &c
->group
, message
, flags
, error
);
1061 if (streq(name
, "TTYPath"))
1062 return bus_set_transient_path(u
, name
, &c
->tty_path
, message
, flags
, error
);
1064 if (streq(name
, "RootImage"))
1065 return bus_set_transient_path(u
, name
, &c
->root_image
, message
, flags
, error
);
1067 if (streq(name
, "RootDirectory"))
1068 return bus_set_transient_path(u
, name
, &c
->root_directory
, message
, flags
, error
);
1070 if (streq(name
, "SyslogIdentifier"))
1071 return bus_set_transient_string(u
, name
, &c
->syslog_identifier
, message
, flags
, error
);
1073 if (streq(name
, "LogLevelMax"))
1074 return bus_set_transient_log_level(u
, name
, &c
->log_level_max
, message
, flags
, error
);
1076 if (streq(name
, "CPUSchedulingPriority"))
1077 return bus_set_transient_sched_priority(u
, name
, &c
->cpu_sched_priority
, message
, flags
, error
);
1079 if (streq(name
, "Personality"))
1080 return bus_set_transient_personality(u
, name
, &c
->personality
, message
, flags
, error
);
1082 if (streq(name
, "Nice"))
1083 return bus_set_transient_nice(u
, name
, &c
->nice
, message
, flags
, error
);
1085 if (streq(name
, "StandardInput"))
1086 return bus_set_transient_std_input(u
, name
, &c
->std_input
, message
, flags
, error
);
1088 if (streq(name
, "StandardOutput"))
1089 return bus_set_transient_std_output(u
, name
, &c
->std_output
, message
, flags
, error
);
1091 if (streq(name
, "StandardError"))
1092 return bus_set_transient_std_output(u
, name
, &c
->std_error
, message
, flags
, error
);
1094 if (streq(name
, "IgnoreSIGPIPE"))
1095 return bus_set_transient_bool(u
, name
, &c
->ignore_sigpipe
, message
, flags
, error
);
1097 if (streq(name
, "TTYVHangup"))
1098 return bus_set_transient_bool(u
, name
, &c
->tty_vhangup
, message
, flags
, error
);
1100 if (streq(name
, "TTYReset"))
1101 return bus_set_transient_bool(u
, name
, &c
->tty_reset
, message
, flags
, error
);
1103 if (streq(name
, "TTYVTDisallocate"))
1104 return bus_set_transient_bool(u
, name
, &c
->tty_vt_disallocate
, message
, flags
, error
);
1106 if (streq(name
, "PrivateTmp"))
1107 return bus_set_transient_bool(u
, name
, &c
->private_tmp
, message
, flags
, error
);
1109 if (streq(name
, "PrivateDevices"))
1110 return bus_set_transient_bool(u
, name
, &c
->private_devices
, message
, flags
, error
);
1112 if (streq(name
, "PrivateMounts"))
1113 return bus_set_transient_bool(u
, name
, &c
->private_mounts
, message
, flags
, error
);
1115 if (streq(name
, "PrivateNetwork"))
1116 return bus_set_transient_bool(u
, name
, &c
->private_network
, message
, flags
, error
);
1118 if (streq(name
, "PrivateUsers"))
1119 return bus_set_transient_bool(u
, name
, &c
->private_users
, message
, flags
, error
);
1121 if (streq(name
, "NoNewPrivileges"))
1122 return bus_set_transient_bool(u
, name
, &c
->no_new_privileges
, message
, flags
, error
);
1124 if (streq(name
, "SyslogLevelPrefix"))
1125 return bus_set_transient_bool(u
, name
, &c
->syslog_level_prefix
, message
, flags
, error
);
1127 if (streq(name
, "MemoryDenyWriteExecute"))
1128 return bus_set_transient_bool(u
, name
, &c
->memory_deny_write_execute
, message
, flags
, error
);
1130 if (streq(name
, "RestrictRealtime"))
1131 return bus_set_transient_bool(u
, name
, &c
->restrict_realtime
, message
, flags
, error
);
1133 if (streq(name
, "DynamicUser"))
1134 return bus_set_transient_bool(u
, name
, &c
->dynamic_user
, message
, flags
, error
);
1136 if (streq(name
, "RemoveIPC"))
1137 return bus_set_transient_bool(u
, name
, &c
->remove_ipc
, message
, flags
, error
);
1139 if (streq(name
, "ProtectKernelTunables"))
1140 return bus_set_transient_bool(u
, name
, &c
->protect_kernel_tunables
, message
, flags
, error
);
1142 if (streq(name
, "ProtectKernelModules"))
1143 return bus_set_transient_bool(u
, name
, &c
->protect_kernel_modules
, message
, flags
, error
);
1145 if (streq(name
, "ProtectControlGroups"))
1146 return bus_set_transient_bool(u
, name
, &c
->protect_control_groups
, message
, flags
, error
);
1148 if (streq(name
, "MountAPIVFS"))
1149 return bus_set_transient_bool(u
, name
, &c
->mount_apivfs
, message
, flags
, error
);
1151 if (streq(name
, "CPUSchedulingResetOnFork"))
1152 return bus_set_transient_bool(u
, name
, &c
->cpu_sched_reset_on_fork
, message
, flags
, error
);
1154 if (streq(name
, "NonBlocking"))
1155 return bus_set_transient_bool(u
, name
, &c
->non_blocking
, message
, flags
, error
);
1157 if (streq(name
, "LockPersonality"))
1158 return bus_set_transient_bool(u
, name
, &c
->lock_personality
, message
, flags
, error
);
1160 if (streq(name
, "UtmpIdentifier"))
1161 return bus_set_transient_string(u
, name
, &c
->utmp_id
, message
, flags
, error
);
1163 if (streq(name
, "UtmpMode"))
1164 return bus_set_transient_utmp_mode(u
, name
, &c
->utmp_mode
, message
, flags
, error
);
1166 if (streq(name
, "PAMName"))
1167 return bus_set_transient_string(u
, name
, &c
->pam_name
, message
, flags
, error
);
1169 if (streq(name
, "TimerSlackNSec"))
1170 return bus_set_transient_nsec(u
, name
, &c
->timer_slack_nsec
, message
, flags
, error
);
1172 if (streq(name
, "ProtectSystem"))
1173 return bus_set_transient_protect_system(u
, name
, &c
->protect_system
, message
, flags
, error
);
1175 if (streq(name
, "ProtectHome"))
1176 return bus_set_transient_protect_home(u
, name
, &c
->protect_home
, message
, flags
, error
);
1178 if (streq(name
, "KeyringMode"))
1179 return bus_set_transient_keyring_mode(u
, name
, &c
->keyring_mode
, message
, flags
, error
);
1181 if (streq(name
, "RuntimeDirectoryPreserve"))
1182 return bus_set_transient_preserve_mode(u
, name
, &c
->runtime_directory_preserve_mode
, message
, flags
, error
);
1184 if (streq(name
, "UMask"))
1185 return bus_set_transient_mode_t(u
, name
, &c
->umask
, message
, flags
, error
);
1187 if (streq(name
, "RuntimeDirectoryMode"))
1188 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_RUNTIME
].mode
, message
, flags
, error
);
1190 if (streq(name
, "StateDirectoryMode"))
1191 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_STATE
].mode
, message
, flags
, error
);
1193 if (streq(name
, "CacheDirectoryMode"))
1194 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_CACHE
].mode
, message
, flags
, error
);
1196 if (streq(name
, "LogsDirectoryMode"))
1197 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_LOGS
].mode
, message
, flags
, error
);
1199 if (streq(name
, "ConfigurationDirectoryMode"))
1200 return bus_set_transient_mode_t(u
, name
, &c
->directories
[EXEC_DIRECTORY_CONFIGURATION
].mode
, message
, flags
, error
);
1202 if (streq(name
, "SELinuxContext"))
1203 return bus_set_transient_string(u
, name
, &c
->selinux_context
, message
, flags
, error
);
1205 if (streq(name
, "SecureBits"))
1206 return bus_set_transient_secure_bits(u
, name
, &c
->secure_bits
, message
, flags
, error
);
1208 if (streq(name
, "CapabilityBoundingSet"))
1209 return bus_set_transient_capability(u
, name
, &c
->capability_bounding_set
, message
, flags
, error
);
1211 if (streq(name
, "AmbientCapabilities"))
1212 return bus_set_transient_capability(u
, name
, &c
->capability_ambient_set
, message
, flags
, error
);
1214 if (streq(name
, "CPUSchedulingPolicy"))
1215 return bus_set_transient_sched_policy(u
, name
, &c
->cpu_sched_policy
, message
, flags
, error
);
1217 if (streq(name
, "RestrictNamespaces"))
1218 return bus_set_transient_namespace_flag(u
, name
, &c
->restrict_namespaces
, message
, flags
, error
);
1220 if (streq(name
, "MountFlags"))
1221 return bus_set_transient_mount_flags(u
, name
, &c
->mount_flags
, message
, flags
, error
);
1223 if (streq(name
, "SupplementaryGroups")) {
1224 _cleanup_strv_free_
char **l
= NULL
;
1227 r
= sd_bus_message_read_strv(message
, &l
);
1231 STRV_FOREACH(p
, l
) {
1232 if (!isempty(*p
) && !valid_user_group_name_or_id(*p
))
1233 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid supplementary group names");
1236 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1237 if (strv_isempty(l
)) {
1238 c
->supplementary_groups
= strv_free(c
->supplementary_groups
);
1239 unit_write_settingf(u
, flags
, name
, "%s=", name
);
1241 _cleanup_free_
char *joined
= NULL
;
1243 r
= strv_extend_strv(&c
->supplementary_groups
, l
, true);
1247 joined
= strv_join(c
->supplementary_groups
, " ");
1251 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "%s=%s", name
, joined
);
1257 } else if (streq(name
, "SyslogLevel")) {
1260 r
= sd_bus_message_read(message
, "i", &level
);
1264 if (!log_level_is_valid(level
))
1265 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log level value out of range");
1267 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1268 c
->syslog_priority
= (c
->syslog_priority
& LOG_FACMASK
) | level
;
1269 unit_write_settingf(u
, flags
, name
, "SyslogLevel=%i", level
);
1274 } else if (streq(name
, "SyslogFacility")) {
1277 r
= sd_bus_message_read(message
, "i", &facility
);
1281 if (!log_facility_unshifted_is_valid(facility
))
1282 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Log facility value out of range");
1284 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1285 c
->syslog_priority
= (facility
<< 3) | LOG_PRI(c
->syslog_priority
);
1286 unit_write_settingf(u
, flags
, name
, "SyslogFacility=%i", facility
);
1291 } else if (streq(name
, "LogExtraFields")) {
1294 r
= sd_bus_message_enter_container(message
, 'a', "ay");
1299 _cleanup_free_
void *copy
= NULL
;
1305 /* Note that we expect a byte array for each field, instead of a string. That's because on the
1306 * lower-level journal fields can actually contain binary data and are not restricted to text,
1307 * and we should not "lose precision" in our types on the way. That said, I am pretty sure
1308 * actually encoding binary data as unit metadata is not a good idea. Hence we actually refuse
1309 * any actual binary data, and only accept UTF-8. This allows us to eventually lift this
1310 * limitation, should a good, valid usecase arise. */
1312 r
= sd_bus_message_read_array(message
, 'y', &p
, &sz
);
1318 if (memchr(p
, 0, sz
))
1319 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field contains zero byte");
1321 eq
= memchr(p
, '=', sz
);
1323 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field contains no '=' character");
1324 if (!journal_field_valid(p
, eq
- (const char*) p
, false))
1325 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field invalid");
1327 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1328 t
= reallocarray(c
->log_extra_fields
, c
->n_log_extra_fields
+1, sizeof(struct iovec
));
1331 c
->log_extra_fields
= t
;
1334 copy
= malloc(sz
+ 1);
1338 memcpy(copy
, p
, sz
);
1339 ((uint8_t*) copy
)[sz
] = 0;
1341 if (!utf8_is_valid(copy
))
1342 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Journal field is not valid UTF-8");
1344 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1345 c
->log_extra_fields
[c
->n_log_extra_fields
++] = IOVEC_MAKE(copy
, sz
);
1346 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
, name
, "LogExtraFields=%s", (char*) copy
);
1354 r
= sd_bus_message_exit_container(message
);
1358 if (!UNIT_WRITE_FLAGS_NOOP(flags
) && n
== 0) {
1359 exec_context_free_log_extra_fields(c
);
1360 unit_write_setting(u
, flags
, name
, "LogExtraFields=");
1368 if (streq(name
, "SystemCallErrorNumber"))
1369 return bus_set_transient_errno(u
, name
, &c
->syscall_errno
, message
, flags
, error
);
1371 if (streq(name
, "SystemCallFilter")) {
1373 _cleanup_strv_free_
char **l
= NULL
;
1375 r
= sd_bus_message_enter_container(message
, 'r', "bas");
1379 r
= sd_bus_message_read(message
, "b", &whitelist
);
1383 r
= sd_bus_message_read_strv(message
, &l
);
1387 r
= sd_bus_message_exit_container(message
);
1391 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1392 _cleanup_free_
char *joined
= NULL
;
1393 bool invert
= !whitelist
;
1396 if (strv_isempty(l
)) {
1397 c
->syscall_whitelist
= false;
1398 c
->syscall_filter
= hashmap_free(c
->syscall_filter
);
1400 unit_write_settingf(u
, flags
, name
, "SystemCallFilter=");
1404 if (!c
->syscall_filter
) {
1405 c
->syscall_filter
= hashmap_new(NULL
);
1406 if (!c
->syscall_filter
)
1409 c
->syscall_whitelist
= whitelist
;
1411 if (c
->syscall_whitelist
) {
1412 r
= seccomp_parse_syscall_filter("@default", -1, c
->syscall_filter
, SECCOMP_PARSE_WHITELIST
| (invert
? SECCOMP_PARSE_INVERT
: 0));
1418 STRV_FOREACH(s
, l
) {
1419 _cleanup_free_
char *n
= NULL
;
1422 r
= parse_syscall_and_errno(*s
, &n
, &e
);
1426 r
= seccomp_parse_syscall_filter(n
, e
, c
->syscall_filter
, (invert
? SECCOMP_PARSE_INVERT
: 0) | (c
->syscall_whitelist
? SECCOMP_PARSE_WHITELIST
: 0));
1431 joined
= strv_join(l
, " ");
1435 unit_write_settingf(u
, flags
, name
, "SystemCallFilter=%s%s", whitelist
? "" : "~", joined
);
1440 } else if (streq(name
, "SystemCallArchitectures")) {
1441 _cleanup_strv_free_
char **l
= NULL
;
1443 r
= sd_bus_message_read_strv(message
, &l
);
1447 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1448 _cleanup_free_
char *joined
= NULL
;
1450 if (strv_isempty(l
))
1451 c
->syscall_archs
= set_free(c
->syscall_archs
);
1455 r
= set_ensure_allocated(&c
->syscall_archs
, NULL
);
1459 STRV_FOREACH(s
, l
) {
1462 r
= seccomp_arch_from_string(*s
, &a
);
1466 r
= set_put(c
->syscall_archs
, UINT32_TO_PTR(a
+ 1));
1473 joined
= strv_join(l
, " ");
1477 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
1482 } else if (streq(name
, "RestrictAddressFamilies")) {
1484 _cleanup_strv_free_
char **l
= NULL
;
1486 r
= sd_bus_message_enter_container(message
, 'r', "bas");
1490 r
= sd_bus_message_read(message
, "b", &whitelist
);
1494 r
= sd_bus_message_read_strv(message
, &l
);
1498 r
= sd_bus_message_exit_container(message
);
1502 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1503 _cleanup_free_
char *joined
= NULL
;
1504 bool invert
= !whitelist
;
1507 if (strv_isempty(l
)) {
1508 c
->address_families_whitelist
= false;
1509 c
->address_families
= set_free(c
->address_families
);
1511 unit_write_settingf(u
, flags
, name
, "RestrictAddressFamilies=");
1515 if (!c
->address_families
) {
1516 c
->address_families
= set_new(NULL
);
1517 if (!c
->address_families
)
1520 c
->address_families_whitelist
= whitelist
;
1523 STRV_FOREACH(s
, l
) {
1526 af
= af_from_name(*s
);
1530 if (!invert
== c
->address_families_whitelist
) {
1531 r
= set_put(c
->address_families
, INT_TO_PTR(af
));
1535 (void) set_remove(c
->address_families
, INT_TO_PTR(af
));
1538 joined
= strv_join(l
, " ");
1542 unit_write_settingf(u
, flags
, name
, "RestrictAddressFamilies=%s%s", whitelist
? "" : "~", joined
);
1548 if (streq(name
, "CPUAffinity")) {
1552 r
= sd_bus_message_read_array(message
, 'y', &a
, &n
);
1556 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1558 c
->cpuset
= cpu_set_mfree(c
->cpuset
);
1559 c
->cpuset_ncpus
= 0;
1560 unit_write_settingf(u
, flags
, name
, "%s=", name
);
1562 _cleanup_free_
char *str
= NULL
;
1563 size_t allocated
= 0, len
= 0, i
, ncpus
;
1565 ncpus
= CPU_SIZE_TO_NUM(n
);
1567 for (i
= 0; i
< ncpus
; i
++) {
1568 _cleanup_free_
char *p
= NULL
;
1571 if (!CPU_ISSET_S(i
, n
, (cpu_set_t
*) a
))
1574 r
= asprintf(&p
, "%zu", i
);
1580 if (!GREEDY_REALLOC(str
, allocated
, len
+ add
+ 2))
1583 strcpy(mempcpy(str
+ len
, p
, add
), " ");
1588 str
[len
- 1] = '\0';
1590 if (!c
->cpuset
|| c
->cpuset_ncpus
< ncpus
) {
1593 cpuset
= CPU_ALLOC(ncpus
);
1597 CPU_ZERO_S(n
, cpuset
);
1599 CPU_OR_S(CPU_ALLOC_SIZE(c
->cpuset_ncpus
), cpuset
, c
->cpuset
, (cpu_set_t
*) a
);
1600 CPU_FREE(c
->cpuset
);
1602 CPU_OR_S(n
, cpuset
, cpuset
, (cpu_set_t
*) a
);
1605 c
->cpuset_ncpus
= ncpus
;
1607 CPU_OR_S(n
, c
->cpuset
, c
->cpuset
, (cpu_set_t
*) a
);
1609 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, str
);
1615 } else if (streq(name
, "IOSchedulingClass")) {
1618 r
= sd_bus_message_read(message
, "i", &q
);
1622 if (!ioprio_class_is_valid(q
))
1623 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid IO scheduling class: %i", q
);
1625 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1626 _cleanup_free_
char *s
= NULL
;
1628 r
= ioprio_class_to_string_alloc(q
, &s
);
1632 c
->ioprio
= IOPRIO_PRIO_VALUE(q
, IOPRIO_PRIO_DATA(c
->ioprio
));
1633 c
->ioprio_set
= true;
1635 unit_write_settingf(u
, flags
, name
, "IOSchedulingClass=%s", s
);
1640 } else if (streq(name
, "IOSchedulingPriority")) {
1643 r
= sd_bus_message_read(message
, "i", &p
);
1647 if (!ioprio_priority_is_valid(p
))
1648 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid IO scheduling priority: %i", p
);
1650 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1651 c
->ioprio
= IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c
->ioprio
), p
);
1652 c
->ioprio_set
= true;
1654 unit_write_settingf(u
, flags
, name
, "IOSchedulingPriority=%i", p
);
1659 } else if (streq(name
, "WorkingDirectory")) {
1663 r
= sd_bus_message_read(message
, "s", &s
);
1673 if (!isempty(s
) && !streq(s
, "~") && !path_is_absolute(s
))
1674 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "WorkingDirectory= expects an absolute path or '~'");
1676 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1677 if (streq(s
, "~")) {
1678 c
->working_directory
= mfree(c
->working_directory
);
1679 c
->working_directory_home
= true;
1681 r
= free_and_strdup(&c
->working_directory
, empty_to_null(s
));
1685 c
->working_directory_home
= false;
1688 c
->working_directory_missing_ok
= missing_ok
;
1689 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "WorkingDirectory=%s%s", missing_ok
? "-" : "", s
);
1694 } else if (STR_IN_SET(name
,
1695 "StandardInputFileDescriptorName", "StandardOutputFileDescriptorName", "StandardErrorFileDescriptorName")) {
1698 r
= sd_bus_message_read(message
, "s", &s
);
1702 if (!isempty(s
) && !fdname_is_valid(s
))
1703 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid file descriptor name");
1705 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1707 if (streq(name
, "StandardInputFileDescriptorName")) {
1708 r
= free_and_strdup(c
->stdio_fdname
+ STDIN_FILENO
, empty_to_null(s
));
1712 c
->std_input
= EXEC_INPUT_NAMED_FD
;
1713 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardInput=fd:%s", exec_context_fdname(c
, STDIN_FILENO
));
1715 } else if (streq(name
, "StandardOutputFileDescriptorName")) {
1716 r
= free_and_strdup(c
->stdio_fdname
+ STDOUT_FILENO
, empty_to_null(s
));
1720 c
->std_output
= EXEC_OUTPUT_NAMED_FD
;
1721 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=fd:%s", exec_context_fdname(c
, STDOUT_FILENO
));
1724 assert(streq(name
, "StandardErrorFileDescriptorName"));
1726 r
= free_and_strdup(&c
->stdio_fdname
[STDERR_FILENO
], empty_to_null(s
));
1730 c
->std_error
= EXEC_OUTPUT_NAMED_FD
;
1731 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardError=fd:%s", exec_context_fdname(c
, STDERR_FILENO
));
1737 } else if (STR_IN_SET(name
, "StandardInputFile", "StandardOutputFile", "StandardErrorFile")) {
1740 r
= sd_bus_message_read(message
, "s", &s
);
1745 if (!path_is_absolute(s
))
1746 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute", s
);
1747 if (!path_is_normalized(s
))
1748 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", s
);
1751 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1753 if (streq(name
, "StandardInputFile")) {
1754 r
= free_and_strdup(&c
->stdio_file
[STDIN_FILENO
], empty_to_null(s
));
1758 c
->std_input
= EXEC_INPUT_FILE
;
1759 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardInput=file:%s", s
);
1761 } else if (streq(name
, "StandardOutputFile")) {
1762 r
= free_and_strdup(&c
->stdio_file
[STDOUT_FILENO
], empty_to_null(s
));
1766 c
->std_output
= EXEC_OUTPUT_FILE
;
1767 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardOutput=file:%s", s
);
1770 assert(streq(name
, "StandardErrorFile"));
1772 r
= free_and_strdup(&c
->stdio_file
[STDERR_FILENO
], empty_to_null(s
));
1776 c
->std_error
= EXEC_OUTPUT_FILE
;
1777 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "StandardError=file:%s", s
);
1783 } else if (streq(name
, "StandardInputData")) {
1787 r
= sd_bus_message_read_array(message
, 'y', &p
, &sz
);
1791 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1792 _cleanup_free_
char *encoded
= NULL
;
1795 c
->stdin_data
= mfree(c
->stdin_data
);
1796 c
->stdin_data_size
= 0;
1798 unit_write_settingf(u
, flags
, name
, "StandardInputData=");
1803 if (c
->stdin_data_size
+ sz
< c
->stdin_data_size
|| /* check for overflow */
1804 c
->stdin_data_size
+ sz
> EXEC_STDIN_DATA_MAX
)
1807 n
= base64mem(p
, sz
, &encoded
);
1811 q
= realloc(c
->stdin_data
, c
->stdin_data_size
+ sz
);
1815 memcpy((uint8_t*) q
+ c
->stdin_data_size
, p
, sz
);
1818 c
->stdin_data_size
+= sz
;
1820 unit_write_settingf(u
, flags
, name
, "StandardInputData=%s", encoded
);
1826 } else if (streq(name
, "Environment")) {
1828 _cleanup_strv_free_
char **l
= NULL
;
1830 r
= sd_bus_message_read_strv(message
, &l
);
1834 if (!strv_env_is_valid(l
))
1835 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid environment block.");
1837 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1838 if (strv_isempty(l
)) {
1839 c
->environment
= strv_free(c
->environment
);
1840 unit_write_setting(u
, flags
, name
, "Environment=");
1842 _cleanup_free_
char *joined
= NULL
;
1845 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
);
1849 e
= strv_env_merge(2, c
->environment
, l
);
1853 strv_free_and_replace(c
->environment
, e
);
1854 unit_write_settingf(u
, flags
, name
, "Environment=%s", joined
);
1860 } else if (streq(name
, "UnsetEnvironment")) {
1862 _cleanup_strv_free_
char **l
= NULL
;
1864 r
= sd_bus_message_read_strv(message
, &l
);
1868 if (!strv_env_name_or_assignment_is_valid(l
))
1869 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UnsetEnvironment= list.");
1871 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1872 if (strv_isempty(l
)) {
1873 c
->unset_environment
= strv_free(c
->unset_environment
);
1874 unit_write_setting(u
, flags
, name
, "UnsetEnvironment=");
1876 _cleanup_free_
char *joined
= NULL
;
1879 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
|UNIT_ESCAPE_C
);
1883 e
= strv_env_merge(2, c
->unset_environment
, l
);
1887 strv_free_and_replace(c
->unset_environment
, e
);
1888 unit_write_settingf(u
, flags
, name
, "UnsetEnvironment=%s", joined
);
1894 } else if (streq(name
, "OOMScoreAdjust")) {
1897 r
= sd_bus_message_read(message
, "i", &oa
);
1901 if (!oom_score_adjust_is_valid(oa
))
1902 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "OOM score adjust value out of range");
1904 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1905 c
->oom_score_adjust
= oa
;
1906 c
->oom_score_adjust_set
= true;
1907 unit_write_settingf(u
, flags
, name
, "OOMScoreAdjust=%i", oa
);
1912 } else if (streq(name
, "EnvironmentFiles")) {
1914 _cleanup_free_
char *joined
= NULL
;
1915 _cleanup_fclose_
FILE *f
= NULL
;
1916 _cleanup_strv_free_
char **l
= NULL
;
1920 r
= sd_bus_message_enter_container(message
, 'a', "(sb)");
1924 f
= open_memstream(&joined
, &size
);
1928 (void) __fsetlocking(f
, FSETLOCKING_BYCALLER
);
1930 fputs("EnvironmentFile=\n", f
);
1932 STRV_FOREACH(i
, c
->environment_files
) {
1933 _cleanup_free_
char *q
= NULL
;
1935 q
= specifier_escape(*i
);
1939 fprintf(f
, "EnvironmentFile=%s\n", q
);
1942 while ((r
= sd_bus_message_enter_container(message
, 'r', "sb")) > 0) {
1946 r
= sd_bus_message_read(message
, "sb", &path
, &b
);
1950 r
= sd_bus_message_exit_container(message
);
1954 if (!path_is_absolute(path
))
1955 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not absolute.", path
);
1957 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1958 _cleanup_free_
char *q
= NULL
;
1961 buf
= strjoin(b
? "-" : "", path
);
1965 q
= specifier_escape(buf
);
1971 fprintf(f
, "EnvironmentFile=%s\n", q
);
1973 r
= strv_consume(&l
, buf
);
1981 r
= sd_bus_message_exit_container(message
);
1985 r
= fflush_and_check(f
);
1989 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
1990 if (strv_isempty(l
)) {
1991 c
->environment_files
= strv_free(c
->environment_files
);
1992 unit_write_setting(u
, flags
, name
, "EnvironmentFile=");
1994 r
= strv_extend_strv(&c
->environment_files
, l
, true);
1998 unit_write_setting(u
, flags
, name
, joined
);
2004 } else if (streq(name
, "PassEnvironment")) {
2006 _cleanup_strv_free_
char **l
= NULL
;
2008 r
= sd_bus_message_read_strv(message
, &l
);
2012 if (!strv_env_name_is_valid(l
))
2013 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid PassEnvironment= block.");
2015 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2016 if (strv_isempty(l
)) {
2017 c
->pass_environment
= strv_free(c
->pass_environment
);
2018 unit_write_setting(u
, flags
, name
, "PassEnvironment=");
2020 _cleanup_free_
char *joined
= NULL
;
2022 r
= strv_extend_strv(&c
->pass_environment
, l
, true);
2026 /* We write just the new settings out to file, with unresolved specifiers. */
2027 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2031 unit_write_settingf(u
, flags
, name
, "PassEnvironment=%s", joined
);
2037 } else if (STR_IN_SET(name
, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
2038 "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) {
2039 _cleanup_strv_free_
char **l
= NULL
;
2043 r
= sd_bus_message_read_strv(message
, &l
);
2047 STRV_FOREACH(p
, l
) {
2051 offset
= i
[0] == '-';
2052 offset
+= i
[offset
] == '+';
2053 if (!path_is_absolute(i
+ offset
))
2054 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid %s", name
);
2056 path_simplify(i
+ offset
, false);
2059 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2060 if (STR_IN_SET(name
, "ReadWriteDirectories", "ReadWritePaths"))
2061 dirs
= &c
->read_write_paths
;
2062 else if (STR_IN_SET(name
, "ReadOnlyDirectories", "ReadOnlyPaths"))
2063 dirs
= &c
->read_only_paths
;
2064 else /* "InaccessiblePaths" */
2065 dirs
= &c
->inaccessible_paths
;
2067 if (strv_isempty(l
)) {
2068 *dirs
= strv_free(*dirs
);
2069 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2071 _cleanup_free_
char *joined
= NULL
;
2073 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2077 r
= strv_extend_strv(dirs
, l
, true);
2081 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
2087 } else if (STR_IN_SET(name
, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) {
2088 _cleanup_strv_free_
char **l
= NULL
;
2091 r
= sd_bus_message_read_strv(message
, &l
);
2095 STRV_FOREACH(p
, l
) {
2096 if (!path_is_normalized(*p
))
2097 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path is not normalized: %s", name
, *p
);
2099 if (path_is_absolute(*p
))
2100 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path is absolute: %s", name
, *p
);
2102 if (path_startswith(*p
, "private"))
2103 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "%s= path can't be 'private': %s", name
, *p
);
2106 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2107 char ***dirs
= NULL
;
2108 ExecDirectoryType i
;
2110 for (i
= 0; i
< _EXEC_DIRECTORY_TYPE_MAX
; i
++)
2111 if (streq(name
, exec_directory_type_to_string(i
))) {
2112 dirs
= &c
->directories
[i
].paths
;
2118 if (strv_isempty(l
)) {
2119 *dirs
= strv_free(*dirs
);
2120 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2122 _cleanup_free_
char *joined
= NULL
;
2124 r
= strv_extend_strv(dirs
, l
, true);
2128 joined
= unit_concat_strv(l
, UNIT_ESCAPE_SPECIFIERS
);
2132 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, joined
);
2138 } else if (STR_IN_SET(name
, "AppArmorProfile", "SmackProcessLabel")) {
2142 r
= sd_bus_message_read(message
, "(bs)", &ignore
, &s
);
2146 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2150 if (streq(name
, "AppArmorProfile")) {
2151 p
= &c
->apparmor_profile
;
2152 b
= &c
->apparmor_profile_ignore
;
2153 } else { /* "SmackProcessLabel" */
2154 p
= &c
->smack_process_label
;
2155 b
= &c
->smack_process_label_ignore
;
2162 if (free_and_strdup(p
, s
) < 0)
2167 unit_write_settingf(u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
, "%s=%s%s", name
, ignore
? "-" : "", strempty(s
));
2172 } else if (STR_IN_SET(name
, "BindPaths", "BindReadOnlyPaths")) {
2173 const char *source
, *destination
;
2175 uint64_t mount_flags
;
2178 r
= sd_bus_message_enter_container(message
, 'a', "(ssbt)");
2182 while ((r
= sd_bus_message_read(message
, "(ssbt)", &source
, &destination
, &ignore_enoent
, &mount_flags
)) > 0) {
2184 if (!path_is_absolute(source
))
2185 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Source path %s is not absolute.", source
);
2186 if (!path_is_absolute(destination
))
2187 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Destination path %s is not absolute.", destination
);
2188 if (!IN_SET(mount_flags
, 0, MS_REC
))
2189 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unknown mount flags.");
2191 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2192 r
= bind_mount_add(&c
->bind_mounts
, &c
->n_bind_mounts
,
2194 .source
= strdup(source
),
2195 .destination
= strdup(destination
),
2196 .read_only
= !!strstr(name
, "ReadOnly"),
2197 .recursive
= !!(mount_flags
& MS_REC
),
2198 .ignore_enoent
= ignore_enoent
,
2203 unit_write_settingf(
2204 u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
,
2207 ignore_enoent
? "-" : "",
2210 (mount_flags
& MS_REC
) ? "rbind" : "norbind");
2218 r
= sd_bus_message_exit_container(message
);
2223 bind_mount_free_many(c
->bind_mounts
, c
->n_bind_mounts
);
2224 c
->bind_mounts
= NULL
;
2225 c
->n_bind_mounts
= 0;
2227 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2232 } else if (streq(name
, "TemporaryFileSystem")) {
2233 const char *path
, *options
;
2236 r
= sd_bus_message_enter_container(message
, 'a', "(ss)");
2240 while ((r
= sd_bus_message_read(message
, "(ss)", &path
, &options
)) > 0) {
2242 if (!path_is_absolute(path
))
2243 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Mount point %s is not absolute.", path
);
2245 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2246 r
= temporary_filesystem_add(&c
->temporary_filesystems
, &c
->n_temporary_filesystems
, path
, options
);
2250 unit_write_settingf(
2251 u
, flags
|UNIT_ESCAPE_SPECIFIERS
, name
,
2263 r
= sd_bus_message_exit_container(message
);
2268 temporary_filesystem_free_many(c
->temporary_filesystems
, c
->n_temporary_filesystems
);
2269 c
->temporary_filesystems
= NULL
;
2270 c
->n_temporary_filesystems
= 0;
2272 unit_write_settingf(u
, flags
, name
, "%s=", name
);
2277 } else if ((suffix
= startswith(name
, "Limit"))) {
2278 const char *soft
= NULL
;
2281 ri
= rlimit_from_string(suffix
);
2283 soft
= endswith(suffix
, "Soft");
2287 n
= strndupa(suffix
, soft
- suffix
);
2288 ri
= rlimit_from_string(n
);
2290 name
= strjoina("Limit", n
);
2298 r
= sd_bus_message_read(message
, "t", &rl
);
2302 if (rl
== (uint64_t) -1)
2307 if ((uint64_t) x
!= rl
)
2311 if (!UNIT_WRITE_FLAGS_NOOP(flags
)) {
2312 _cleanup_free_
char *f
= NULL
;
2315 if (c
->rlimit
[ri
]) {
2316 nl
= *c
->rlimit
[ri
];
2323 /* When the resource limit is not initialized yet, then assign the value to both fields */
2324 nl
= (struct rlimit
) {
2329 r
= rlimit_format(&nl
, &f
);
2334 *c
->rlimit
[ri
] = nl
;
2336 c
->rlimit
[ri
] = newdup(struct rlimit
, &nl
, 1);
2341 unit_write_settingf(u
, flags
, name
, "%s=%s", name
, f
);