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>
42 typedef enum ExecInput {
49 _EXEC_INPUT_INVALID = -1
52 typedef enum ExecOutput {
57 EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
59 EXEC_OUTPUT_KMSG_AND_CONSOLE,
61 EXEC_OUTPUT_JOURNAL_AND_CONSOLE,
64 _EXEC_OUTPUT_INVALID = -1
68 dual_timestamp start_timestamp;
69 dual_timestamp exit_timestamp;
71 int code; /* as in siginfo_t::si_code */
72 int status; /* as in sigingo_t::si_status */
78 ExecStatus exec_status;
79 LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
89 int netns_storage_socket[2];
94 char **environment_files;
96 struct rlimit *rlimit[RLIMIT_NLIMITS];
97 char *working_directory, *root_directory;
100 int oom_score_adjust;
103 int cpu_sched_policy;
104 int cpu_sched_priority;
107 unsigned cpuset_ncpus;
110 ExecOutput std_output;
111 ExecOutput std_error;
113 nsec_t timer_slack_nsec;
121 bool tty_vt_disallocate;
125 /* Since resolving these names might might involve socket
126 * connections and we don't want to deadlock ourselves these
127 * names are resolved on execution only and in the child
131 char **supplementary_groups;
137 bool selinux_context_ignore;
138 char *selinux_context;
140 bool apparmor_profile_ignore;
141 char *apparmor_profile;
143 char **read_write_dirs, **read_only_dirs, **inaccessible_dirs;
144 unsigned long mount_flags;
146 uint64_t capability_bounding_set_drop;
152 char *syslog_identifier;
153 bool syslog_level_prefix;
155 bool cpu_sched_reset_on_fork;
158 bool private_network;
159 bool private_devices;
161 bool no_new_privileges;
163 /* This is not exposed to the user but available
164 * internally. We need it to make sure that whenever we spawn
165 * /bin/mount it is run in the same process group as us so
166 * that the autofs logic detects that it belongs to us and we
167 * don't enter a trigger loop. */
170 unsigned long personality;
175 bool syscall_whitelist:1;
177 Set *address_families;
178 bool address_families_whitelist:1;
180 bool oom_score_adjust_set:1;
183 bool cpu_sched_set:1;
188 int exec_spawn(ExecCommand *command,
190 ExecContext *context,
191 int fds[], unsigned n_fds,
193 bool apply_permissions,
195 bool apply_tty_stdin,
197 CGroupControllerMask cgroup_mask,
198 const char *cgroup_path,
200 usec_t watchdog_usec,
202 ExecRuntime *runtime,
205 void exec_command_done(ExecCommand *c);
206 void exec_command_done_array(ExecCommand *c, unsigned n);
208 void exec_command_free_list(ExecCommand *c);
209 void exec_command_free_array(ExecCommand **c, unsigned n);
211 char *exec_command_line(char **argv);
213 void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix);
214 void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix);
215 void exec_command_append_list(ExecCommand **l, ExecCommand *e);
216 int exec_command_set(ExecCommand *c, const char *path, ...);
218 void exec_context_init(ExecContext *c);
219 void exec_context_done(ExecContext *c);
220 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
222 int exec_context_load_environment(const ExecContext *c, char ***l);
224 bool exec_context_may_touch_console(ExecContext *c);
226 void exec_status_start(ExecStatus *s, pid_t pid);
227 void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status);
228 void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix);
230 int exec_runtime_make(ExecRuntime **rt, ExecContext *c, const char *id);
231 ExecRuntime *exec_runtime_ref(ExecRuntime *r);
232 ExecRuntime *exec_runtime_unref(ExecRuntime *r);
234 int exec_runtime_serialize(ExecRuntime *rt, Unit *u, FILE *f, FDSet *fds);
235 int exec_runtime_deserialize_item(ExecRuntime **rt, Unit *u, const char *key, const char *value, FDSet *fds);
237 void exec_runtime_destroy(ExecRuntime *rt);
239 const char* exec_output_to_string(ExecOutput i) _const_;
240 ExecOutput exec_output_from_string(const char *s) _pure_;
242 const char* exec_input_to_string(ExecInput i) _const_;
243 ExecInput exec_input_from_string(const char *s) _pure_;