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 #include "namespace.h"
44 typedef enum ExecInput {
51 _EXEC_INPUT_INVALID = -1
54 typedef enum ExecOutput {
59 EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
61 EXEC_OUTPUT_KMSG_AND_CONSOLE,
63 EXEC_OUTPUT_JOURNAL_AND_CONSOLE,
66 _EXEC_OUTPUT_INVALID = -1
70 dual_timestamp start_timestamp;
71 dual_timestamp exit_timestamp;
73 int code; /* as in siginfo_t::si_code */
74 int status; /* as in sigingo_t::si_status */
80 ExecStatus exec_status;
81 LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
91 int netns_storage_socket[2];
96 char **environment_files;
98 struct rlimit *rlimit[_RLIMIT_MAX];
99 char *working_directory, *root_directory;
102 int oom_score_adjust;
105 int cpu_sched_policy;
106 int cpu_sched_priority;
109 unsigned cpuset_ncpus;
112 ExecOutput std_output;
113 ExecOutput std_error;
115 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 bool smack_process_label_ignore;
144 char *smack_process_label;
146 char **read_write_dirs, **read_only_dirs, **inaccessible_dirs;
147 unsigned long mount_flags;
149 uint64_t capability_bounding_set_drop;
155 char *syslog_identifier;
156 bool syslog_level_prefix;
158 bool cpu_sched_reset_on_fork;
161 bool private_network;
162 bool private_devices;
163 ProtectSystem protect_system;
164 ProtectHome protect_home;
166 bool no_new_privileges;
168 /* This is not exposed to the user but available
169 * internally. We need it to make sure that whenever we spawn
170 * /bin/mount it is run in the same process group as us so
171 * that the autofs logic detects that it belongs to us and we
172 * don't enter a trigger loop. */
175 unsigned long personality;
180 bool syscall_whitelist:1;
182 Set *address_families;
183 bool address_families_whitelist:1;
185 char **runtime_directory;
186 mode_t runtime_directory_mode;
188 bool oom_score_adjust_set:1;
191 bool cpu_sched_set:1;
192 bool no_new_privileges_set:1;
197 int exec_spawn(ExecCommand *command,
199 ExecContext *context,
200 int fds[], unsigned n_fds,
202 bool apply_permissions,
204 bool apply_tty_stdin,
206 CGroupControllerMask cgroup_mask,
207 const char *cgroup_path,
208 const char *runtime_prefix,
210 usec_t watchdog_usec,
212 ExecRuntime *runtime,
215 void exec_command_done(ExecCommand *c);
216 void exec_command_done_array(ExecCommand *c, unsigned n);
218 void exec_command_free_list(ExecCommand *c);
219 void exec_command_free_array(ExecCommand **c, unsigned n);
221 char *exec_command_line(char **argv);
223 void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix);
224 void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix);
225 void exec_command_append_list(ExecCommand **l, ExecCommand *e);
226 int exec_command_set(ExecCommand *c, const char *path, ...);
228 void exec_context_init(ExecContext *c);
229 void exec_context_done(ExecContext *c);
230 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
232 int exec_context_destroy_runtime_directory(ExecContext *c, const char *runtime_root);
234 int exec_context_load_environment(const ExecContext *c, char ***l);
236 bool exec_context_may_touch_console(ExecContext *c);
238 void exec_status_start(ExecStatus *s, pid_t pid);
239 void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status);
240 void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix);
242 int exec_runtime_make(ExecRuntime **rt, ExecContext *c, const char *id);
243 ExecRuntime *exec_runtime_ref(ExecRuntime *r);
244 ExecRuntime *exec_runtime_unref(ExecRuntime *r);
246 int exec_runtime_serialize(ExecRuntime *rt, Unit *u, FILE *f, FDSet *fds);
247 int exec_runtime_deserialize_item(ExecRuntime **rt, Unit *u, const char *key, const char *value, FDSet *fds);
249 void exec_runtime_destroy(ExecRuntime *rt);
251 const char* exec_output_to_string(ExecOutput i) _const_;
252 ExecOutput exec_output_from_string(const char *s) _pure_;
254 const char* exec_input_to_string(ExecInput i) _const_;
255 ExecInput exec_input_from_string(const char *s) _pure_;