1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 typedef struct ExecStatus ExecStatus
;
25 typedef struct ExecCommand ExecCommand
;
26 typedef struct ExecContext ExecContext
;
27 typedef struct ExecRuntime ExecRuntime
;
28 typedef struct ExecParameters ExecParameters
;
33 #include <sys/capability.h>
35 #include "bus-endpoint.h"
39 #include "namespace.h"
41 typedef enum ExecUtmpMode
{
46 _EXEC_UTMP_MODE_INVALID
= -1
49 typedef enum ExecInput
{
56 _EXEC_INPUT_INVALID
= -1
59 typedef enum ExecOutput
{
64 EXEC_OUTPUT_SYSLOG_AND_CONSOLE
,
66 EXEC_OUTPUT_KMSG_AND_CONSOLE
,
68 EXEC_OUTPUT_JOURNAL_AND_CONSOLE
,
71 _EXEC_OUTPUT_INVALID
= -1
75 dual_timestamp start_timestamp
;
76 dual_timestamp exit_timestamp
;
78 int code
; /* as in siginfo_t::si_code */
79 int status
; /* as in sigingo_t::si_status */
85 ExecStatus exec_status
;
86 LIST_FIELDS(ExecCommand
, command
); /* useful for chaining commands */
96 int netns_storage_socket
[2];
101 char **environment_files
;
102 char **pass_environment
;
104 struct rlimit
*rlimit
[_RLIMIT_MAX
];
105 char *working_directory
, *root_directory
;
106 bool working_directory_missing_ok
;
107 bool working_directory_home
;
110 int oom_score_adjust
;
113 int cpu_sched_policy
;
114 int cpu_sched_priority
;
117 unsigned cpuset_ncpus
;
120 ExecOutput std_output
;
121 ExecOutput std_error
;
123 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
;
160 uint64_t capability_ambient_set
;
166 char *syslog_identifier
;
167 bool syslog_level_prefix
;
169 bool cpu_sched_reset_on_fork
;
172 bool private_network
;
173 bool private_devices
;
174 ProtectSystem protect_system
;
175 ProtectHome protect_home
;
177 bool no_new_privileges
;
179 /* This is not exposed to the user but available
180 * internally. We need it to make sure that whenever we spawn
181 * /usr/bin/mount it is run in the same process group as us so
182 * that the autofs logic detects that it belongs to us and we
183 * don't enter a trigger loop. */
186 unsigned long personality
;
191 bool syscall_whitelist
:1;
193 Set
*address_families
;
194 bool address_families_whitelist
:1;
196 char **runtime_directory
;
197 mode_t runtime_directory_mode
;
199 bool oom_score_adjust_set
:1;
202 bool cpu_sched_set
:1;
203 bool no_new_privileges_set
:1;
205 /* custom dbus enpoint */
206 BusEndpoint
*bus_endpoint
;
209 #include "cgroup-util.h"
212 struct ExecParameters
{
220 bool apply_permissions
:1;
222 bool apply_tty_stdin
:1;
224 bool confirm_spawn
:1;
225 bool selinux_context_net
:1;
227 bool cgroup_delegate
:1;
228 CGroupMask cgroup_supported
;
229 const char *cgroup_path
;
231 const char *runtime_prefix
;
233 usec_t watchdog_usec
;
237 char *bus_endpoint_path
;
245 int exec_spawn(Unit
*unit
,
246 ExecCommand
*command
,
247 const ExecContext
*context
,
248 const ExecParameters
*exec_params
,
249 ExecRuntime
*runtime
,
252 void exec_command_done(ExecCommand
*c
);
253 void exec_command_done_array(ExecCommand
*c
, unsigned n
);
255 ExecCommand
* exec_command_free_list(ExecCommand
*c
);
256 void exec_command_free_array(ExecCommand
**c
, unsigned n
);
258 char *exec_command_line(char **argv
);
260 void exec_command_dump(ExecCommand
*c
, FILE *f
, const char *prefix
);
261 void exec_command_dump_list(ExecCommand
*c
, FILE *f
, const char *prefix
);
262 void exec_command_append_list(ExecCommand
**l
, ExecCommand
*e
);
263 int exec_command_set(ExecCommand
*c
, const char *path
, ...);
264 int exec_command_append(ExecCommand
*c
, const char *path
, ...);
266 void exec_context_init(ExecContext
*c
);
267 void exec_context_done(ExecContext
*c
);
268 void exec_context_dump(ExecContext
*c
, FILE* f
, const char *prefix
);
270 int exec_context_destroy_runtime_directory(ExecContext
*c
, const char *runtime_root
);
272 int exec_context_load_environment(Unit
*unit
, const ExecContext
*c
, char ***l
);
274 bool exec_context_may_touch_console(ExecContext
*c
);
275 bool exec_context_maintains_privileges(ExecContext
*c
);
277 void exec_status_start(ExecStatus
*s
, pid_t pid
);
278 void exec_status_exit(ExecStatus
*s
, ExecContext
*context
, pid_t pid
, int code
, int status
);
279 void exec_status_dump(ExecStatus
*s
, FILE *f
, const char *prefix
);
281 int exec_runtime_make(ExecRuntime
**rt
, ExecContext
*c
, const char *id
);
282 ExecRuntime
*exec_runtime_ref(ExecRuntime
*r
);
283 ExecRuntime
*exec_runtime_unref(ExecRuntime
*r
);
285 int exec_runtime_serialize(Unit
*unit
, ExecRuntime
*rt
, FILE *f
, FDSet
*fds
);
286 int exec_runtime_deserialize_item(Unit
*unit
, ExecRuntime
**rt
, const char *key
, const char *value
, FDSet
*fds
);
288 void exec_runtime_destroy(ExecRuntime
*rt
);
290 const char* exec_output_to_string(ExecOutput i
) _const_
;
291 ExecOutput
exec_output_from_string(const char *s
) _pure_
;
293 const char* exec_input_to_string(ExecInput i
) _const_
;
294 ExecInput
exec_input_from_string(const char *s
) _pure_
;
296 const char* exec_utmp_mode_to_string(ExecUtmpMode i
) _const_
;
297 ExecUtmpMode
exec_utmp_mode_from_string(const char *s
) _pure_
;