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;
29 #include <linux/types.h>
31 #include <sys/resource.h>
32 #include <sys/capability.h>
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 */
93 int netns_storage_socket[2];
98 char **environment_files;
100 struct rlimit *rlimit[RLIMIT_NLIMITS];
101 char *working_directory, *root_directory;
104 int oom_score_adjust;
107 int cpu_sched_policy;
108 int cpu_sched_priority;
111 unsigned cpuset_ncpus;
114 ExecOutput std_output;
115 ExecOutput std_error;
117 nsec_t timer_slack_nsec;
125 bool tty_vt_disallocate;
129 /* Since resolving these names might might involve socket
130 * connections and we don't want to deadlock ourselves these
131 * names are resolved on execution only and in the child
135 char **supplementary_groups;
141 bool selinux_context_ignore;
142 char *selinux_context;
144 bool apparmor_profile_ignore;
145 char *apparmor_profile;
147 char **read_write_dirs, **read_only_dirs, **inaccessible_dirs;
148 unsigned long mount_flags;
150 uint64_t capability_bounding_set_drop;
156 char *syslog_identifier;
157 bool syslog_level_prefix;
159 bool cpu_sched_reset_on_fork;
162 bool private_network;
163 bool private_devices;
165 bool no_new_privileges;
167 /* This is not exposed to the user but available
168 * internally. We need it to make sure that whenever we spawn
169 * /bin/mount it is run in the same process group as us so
170 * that the autofs logic detects that it belongs to us and we
171 * don't enter a trigger loop. */
174 unsigned long personality;
179 bool syscall_whitelist:1;
181 bool oom_score_adjust_set:1;
184 bool cpu_sched_set:1;
189 int exec_spawn(ExecCommand *command,
191 ExecContext *context,
192 int fds[], unsigned n_fds,
194 bool apply_permissions,
196 bool apply_tty_stdin,
198 CGroupControllerMask cgroup_mask,
199 const char *cgroup_path,
201 usec_t watchdog_usec,
203 ExecRuntime *runtime,
206 void exec_command_done(ExecCommand *c);
207 void exec_command_done_array(ExecCommand *c, unsigned n);
209 void exec_command_free_list(ExecCommand *c);
210 void exec_command_free_array(ExecCommand **c, unsigned n);
212 char *exec_command_line(char **argv);
214 void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix);
215 void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix);
216 void exec_command_append_list(ExecCommand **l, ExecCommand *e);
217 int exec_command_set(ExecCommand *c, const char *path, ...);
219 void exec_context_init(ExecContext *c);
220 void exec_context_done(ExecContext *c);
221 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
223 int exec_context_load_environment(const ExecContext *c, char ***l);
225 bool exec_context_may_touch_console(ExecContext *c);
227 void exec_status_start(ExecStatus *s, pid_t pid);
228 void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status);
229 void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix);
231 int exec_runtime_make(ExecRuntime **rt, ExecContext *c, const char *id);
232 ExecRuntime *exec_runtime_ref(ExecRuntime *r);
233 ExecRuntime *exec_runtime_unref(ExecRuntime *r);
235 int exec_runtime_serialize(ExecRuntime *rt, Unit *u, FILE *f, FDSet *fds);
236 int exec_runtime_deserialize_item(ExecRuntime **rt, Unit *u, const char *key, const char *value, FDSet *fds);
238 void exec_runtime_destroy(ExecRuntime *rt);
240 const char* exec_output_to_string(ExecOutput i) _const_;
241 ExecOutput exec_output_from_string(const char *s) _pure_;
243 const char* exec_input_to_string(ExecInput i) _const_;
244 ExecInput exec_input_from_string(const char *s) _pure_;