4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 typedef struct ExecStatus ExecStatus
;
23 typedef struct ExecCommand ExecCommand
;
24 typedef struct ExecContext ExecContext
;
25 typedef struct ExecRuntime ExecRuntime
;
26 typedef struct ExecParameters ExecParameters
;
31 #include <sys/capability.h>
36 #include "namespace.h"
38 typedef enum ExecUtmpMode
{
43 _EXEC_UTMP_MODE_INVALID
= -1
46 typedef enum ExecInput
{
53 _EXEC_INPUT_INVALID
= -1
56 typedef enum ExecOutput
{
61 EXEC_OUTPUT_SYSLOG_AND_CONSOLE
,
63 EXEC_OUTPUT_KMSG_AND_CONSOLE
,
65 EXEC_OUTPUT_JOURNAL_AND_CONSOLE
,
68 _EXEC_OUTPUT_INVALID
= -1
72 dual_timestamp start_timestamp
;
73 dual_timestamp exit_timestamp
;
75 int code
; /* as in siginfo_t::si_code */
76 int status
; /* as in sigingo_t::si_status */
82 ExecStatus exec_status
;
83 LIST_FIELDS(ExecCommand
, command
); /* useful for chaining commands */
94 int netns_storage_socket
[2];
99 char **environment_files
;
100 char **pass_environment
;
102 struct rlimit
*rlimit
[_RLIMIT_MAX
];
103 char *working_directory
, *root_directory
;
104 bool working_directory_missing_ok
;
105 bool working_directory_home
;
108 int oom_score_adjust
;
111 int cpu_sched_policy
;
112 int cpu_sched_priority
;
115 unsigned cpuset_ncpus
;
118 ExecOutput std_output
;
119 ExecOutput std_error
;
121 nsec_t timer_slack_nsec
;
129 bool tty_vt_disallocate
;
133 /* Since resolving these names might might involve socket
134 * connections and we don't want to deadlock ourselves these
135 * names are resolved on execution only and in the child
139 char **supplementary_groups
;
144 ExecUtmpMode utmp_mode
;
146 bool selinux_context_ignore
;
147 char *selinux_context
;
149 bool apparmor_profile_ignore
;
150 char *apparmor_profile
;
152 bool smack_process_label_ignore
;
153 char *smack_process_label
;
155 char **read_write_dirs
, **read_only_dirs
, **inaccessible_dirs
;
156 unsigned long mount_flags
;
158 uint64_t capability_bounding_set
;
159 uint64_t capability_ambient_set
;
163 char *syslog_identifier
;
164 bool syslog_level_prefix
;
166 bool cpu_sched_reset_on_fork
;
169 bool private_network
;
170 bool private_devices
;
171 ProtectSystem protect_system
;
172 ProtectHome protect_home
;
174 bool no_new_privileges
;
176 /* This is not exposed to the user but available
177 * internally. We need it to make sure that whenever we spawn
178 * /usr/bin/mount it is run in the same process group as us so
179 * that the autofs logic detects that it belongs to us and we
180 * don't enter a trigger loop. */
183 unsigned long personality
;
188 bool syscall_whitelist
:1;
190 Set
*address_families
;
191 bool address_families_whitelist
:1;
193 char **runtime_directory
;
194 mode_t runtime_directory_mode
;
196 bool memory_deny_write_execute
;
197 bool restrict_realtime
;
199 bool oom_score_adjust_set
:1;
202 bool cpu_sched_set
:1;
203 bool no_new_privileges_set
:1;
206 #include "cgroup-util.h"
209 struct ExecParameters
{
217 bool apply_permissions
:1;
219 bool apply_tty_stdin
:1;
221 bool confirm_spawn
:1;
222 bool selinux_context_net
:1;
224 bool cgroup_delegate
:1;
225 CGroupMask cgroup_supported
;
226 const char *cgroup_path
;
228 const char *runtime_prefix
;
230 usec_t watchdog_usec
;
239 int exec_spawn(Unit
*unit
,
240 ExecCommand
*command
,
241 const ExecContext
*context
,
242 const ExecParameters
*exec_params
,
243 ExecRuntime
*runtime
,
246 void exec_command_done(ExecCommand
*c
);
247 void exec_command_done_array(ExecCommand
*c
, unsigned n
);
249 ExecCommand
* exec_command_free_list(ExecCommand
*c
);
250 void exec_command_free_array(ExecCommand
**c
, unsigned n
);
252 char *exec_command_line(char **argv
);
254 void exec_command_dump(ExecCommand
*c
, FILE *f
, const char *prefix
);
255 void exec_command_dump_list(ExecCommand
*c
, FILE *f
, const char *prefix
);
256 void exec_command_append_list(ExecCommand
**l
, ExecCommand
*e
);
257 int exec_command_set(ExecCommand
*c
, const char *path
, ...);
258 int exec_command_append(ExecCommand
*c
, const char *path
, ...);
260 void exec_context_init(ExecContext
*c
);
261 void exec_context_done(ExecContext
*c
);
262 void exec_context_dump(ExecContext
*c
, FILE* f
, const char *prefix
);
264 int exec_context_destroy_runtime_directory(ExecContext
*c
, const char *runtime_root
);
266 int exec_context_load_environment(Unit
*unit
, const ExecContext
*c
, char ***l
);
268 bool exec_context_may_touch_console(ExecContext
*c
);
269 bool exec_context_maintains_privileges(ExecContext
*c
);
271 void exec_status_start(ExecStatus
*s
, pid_t pid
);
272 void exec_status_exit(ExecStatus
*s
, ExecContext
*context
, pid_t pid
, int code
, int status
);
273 void exec_status_dump(ExecStatus
*s
, FILE *f
, const char *prefix
);
275 int exec_runtime_make(ExecRuntime
**rt
, ExecContext
*c
, const char *id
);
276 ExecRuntime
*exec_runtime_ref(ExecRuntime
*r
);
277 ExecRuntime
*exec_runtime_unref(ExecRuntime
*r
);
279 int exec_runtime_serialize(Unit
*unit
, ExecRuntime
*rt
, FILE *f
, FDSet
*fds
);
280 int exec_runtime_deserialize_item(Unit
*unit
, ExecRuntime
**rt
, const char *key
, const char *value
, FDSet
*fds
);
282 void exec_runtime_destroy(ExecRuntime
*rt
);
284 const char* exec_output_to_string(ExecOutput i
) _const_
;
285 ExecOutput
exec_output_from_string(const char *s
) _pure_
;
287 const char* exec_input_to_string(ExecInput i
) _const_
;
288 ExecInput
exec_input_from_string(const char *s
) _pure_
;
290 const char* exec_utmp_mode_to_string(ExecUtmpMode i
) _const_
;
291 ExecUtmpMode
exec_utmp_mode_from_string(const char *s
) _pure_
;