]>
Commit | Line | Data |
---|---|---|
03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
c2f1db8f | 3 | #pragma once |
5cb5a6ff | 4 | |
a7334b09 LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
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 | |
a7334b09 LP |
13 | (at your option) any later version. |
14 | ||
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 | |
5430f7f2 | 18 | Lesser General Public License for more details. |
a7334b09 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
5cb5a6ff LP |
24 | typedef struct ExecStatus ExecStatus; |
25 | typedef struct ExecCommand ExecCommand; | |
26 | typedef struct ExecContext ExecContext; | |
27 | ||
dacdf153 | 28 | #include <linux/types.h> |
5cb5a6ff LP |
29 | #include <sys/time.h> |
30 | #include <sys/resource.h> | |
31 | #include <sys/capability.h> | |
32 | #include <stdbool.h> | |
33 | #include <stdio.h> | |
94f04347 | 34 | #include <sched.h> |
5cb5a6ff LP |
35 | |
36 | #include "list.h" | |
034c6ed7 | 37 | #include "util.h" |
5cb5a6ff | 38 | |
4ad49000 LP |
39 | typedef struct Unit Unit; |
40 | ||
80876c20 LP |
41 | typedef enum ExecInput { |
42 | EXEC_INPUT_NULL, | |
43 | EXEC_INPUT_TTY, | |
44 | EXEC_INPUT_TTY_FORCE, | |
45 | EXEC_INPUT_TTY_FAIL, | |
4f2d528d | 46 | EXEC_INPUT_SOCKET, |
80876c20 LP |
47 | _EXEC_INPUT_MAX, |
48 | _EXEC_INPUT_INVALID = -1 | |
49 | } ExecInput; | |
50 | ||
071830ff | 51 | typedef enum ExecOutput { |
80876c20 | 52 | EXEC_OUTPUT_INHERIT, |
94f04347 | 53 | EXEC_OUTPUT_NULL, |
80876c20 | 54 | EXEC_OUTPUT_TTY, |
94f04347 | 55 | EXEC_OUTPUT_SYSLOG, |
28dbc1e8 | 56 | EXEC_OUTPUT_SYSLOG_AND_CONSOLE, |
9a6bca7a | 57 | EXEC_OUTPUT_KMSG, |
28dbc1e8 | 58 | EXEC_OUTPUT_KMSG_AND_CONSOLE, |
706343f4 LP |
59 | EXEC_OUTPUT_JOURNAL, |
60 | EXEC_OUTPUT_JOURNAL_AND_CONSOLE, | |
4f2d528d | 61 | EXEC_OUTPUT_SOCKET, |
94f04347 LP |
62 | _EXEC_OUTPUT_MAX, |
63 | _EXEC_OUTPUT_INVALID = -1 | |
071830ff LP |
64 | } ExecOutput; |
65 | ||
5cb5a6ff | 66 | struct ExecStatus { |
63983207 LP |
67 | dual_timestamp start_timestamp; |
68 | dual_timestamp exit_timestamp; | |
9d58f1db | 69 | pid_t pid; |
9152c765 LP |
70 | int code; /* as in siginfo_t::si_code */ |
71 | int status; /* as in sigingo_t::si_status */ | |
5cb5a6ff LP |
72 | }; |
73 | ||
74 | struct ExecCommand { | |
75 | char *path; | |
76 | char **argv; | |
034c6ed7 LP |
77 | ExecStatus exec_status; |
78 | LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */ | |
7fab9d01 | 79 | bool ignore; |
5cb5a6ff LP |
80 | }; |
81 | ||
82 | struct ExecContext { | |
83 | char **environment; | |
8c7be95e LP |
84 | char **environment_files; |
85 | ||
94f04347 | 86 | struct rlimit *rlimit[RLIMIT_NLIMITS]; |
9eba9da4 | 87 | char *working_directory, *root_directory; |
9d58f1db LP |
88 | |
89 | mode_t umask; | |
dd6c17b1 | 90 | int oom_score_adjust; |
5cb5a6ff | 91 | int nice; |
9eba9da4 | 92 | int ioprio; |
94f04347 LP |
93 | int cpu_sched_policy; |
94 | int cpu_sched_priority; | |
9d58f1db | 95 | |
82c121a4 LP |
96 | cpu_set_t *cpuset; |
97 | unsigned cpuset_ncpus; | |
fb33a393 | 98 | |
80876c20 LP |
99 | ExecInput std_input; |
100 | ExecOutput std_output; | |
101 | ExecOutput std_error; | |
102 | ||
d88a251b | 103 | nsec_t timer_slack_nsec; |
071830ff | 104 | |
df1f0afe LP |
105 | char *tcpwrap_name; |
106 | ||
9d58f1db | 107 | char *tty_path; |
5cb5a6ff | 108 | |
6ea832a2 LP |
109 | bool tty_reset; |
110 | bool tty_vhangup; | |
111 | bool tty_vt_disallocate; | |
112 | ||
353e12c2 LP |
113 | bool ignore_sigpipe; |
114 | ||
94f04347 | 115 | /* Since resolving these names might might involve socket |
5cb5a6ff | 116 | * connections and we don't want to deadlock ourselves these |
94f04347 LP |
117 | * names are resolved on execution only and in the child |
118 | * process. */ | |
5cb5a6ff LP |
119 | char *user; |
120 | char *group; | |
121 | char **supplementary_groups; | |
9d58f1db | 122 | |
5b6319dc LP |
123 | char *pam_name; |
124 | ||
169c1bda LP |
125 | char *utmp_id; |
126 | ||
15ae422b LP |
127 | char **read_write_dirs, **read_only_dirs, **inaccessible_dirs; |
128 | unsigned long mount_flags; | |
129 | ||
9d58f1db LP |
130 | uint64_t capability_bounding_set_drop; |
131 | ||
132 | cap_t capabilities; | |
133 | int secure_bits; | |
134 | ||
7fab9d01 LP |
135 | int syslog_priority; |
136 | char *syslog_identifier; | |
137 | bool syslog_level_prefix; | |
138 | ||
9d58f1db LP |
139 | bool cpu_sched_reset_on_fork; |
140 | bool non_blocking; | |
15ae422b | 141 | bool private_tmp; |
ff01d048 | 142 | bool private_network; |
c17ec25e MS |
143 | char *tmp_dir; |
144 | char *var_tmp_dir; | |
9d58f1db | 145 | |
8351ceae LP |
146 | bool no_new_privileges; |
147 | ||
9d58f1db LP |
148 | /* This is not exposed to the user but available |
149 | * internally. We need it to make sure that whenever we spawn | |
150 | * /bin/mount it is run in the same process group as us so | |
151 | * that the autofs logic detects that it belongs to us and we | |
152 | * don't enter a trigger loop. */ | |
74922904 | 153 | bool same_pgrp; |
2e22afe9 | 154 | |
8351ceae LP |
155 | uint32_t *syscall_filter; |
156 | ||
dd6c17b1 | 157 | bool oom_score_adjust_set:1; |
7fab9d01 LP |
158 | bool nice_set:1; |
159 | bool ioprio_set:1; | |
160 | bool cpu_sched_set:1; | |
5cb5a6ff LP |
161 | }; |
162 | ||
4ad49000 LP |
163 | #include "cgroup.h" |
164 | ||
9fb86720 | 165 | int exec_spawn(ExecCommand *command, |
9e2f7c11 | 166 | char **argv, |
c17ec25e | 167 | ExecContext *context, |
c2748801 | 168 | int fds[], unsigned n_fds, |
1137a57c | 169 | char **environment, |
81a2b7ce LP |
170 | bool apply_permissions, |
171 | bool apply_chroot, | |
1e3ad081 | 172 | bool apply_tty_stdin, |
80876c20 | 173 | bool confirm_spawn, |
4ad49000 LP |
174 | CGroupControllerMask cgroup_mask, |
175 | const char *cgroup_path, | |
62bca2c6 | 176 | const char *unit_id, |
f2b68789 | 177 | int pipe_fd[2], |
81a2b7ce | 178 | pid_t *ret); |
5cb5a6ff | 179 | |
43d0fcbd LP |
180 | void exec_command_done(ExecCommand *c); |
181 | void exec_command_done_array(ExecCommand *c, unsigned n); | |
182 | ||
5cb5a6ff | 183 | void exec_command_free_list(ExecCommand *c); |
034c6ed7 | 184 | void exec_command_free_array(ExecCommand **c, unsigned n); |
5cb5a6ff | 185 | |
9e2f7c11 LP |
186 | char *exec_command_line(char **argv); |
187 | ||
44d8db9e LP |
188 | void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix); |
189 | void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix); | |
a6a80b4f | 190 | void exec_command_append_list(ExecCommand **l, ExecCommand *e); |
26fd040d | 191 | int exec_command_set(ExecCommand *c, const char *path, ...); |
44d8db9e | 192 | |
034c6ed7 | 193 | void exec_context_init(ExecContext *c); |
c17ec25e MS |
194 | void exec_context_done(ExecContext *c, bool reloading_or_reexecuting); |
195 | void exec_context_tmp_dirs_done(ExecContext *c); | |
5cb5a6ff | 196 | void exec_context_dump(ExecContext *c, FILE* f, const char *prefix); |
6ea832a2 | 197 | void exec_context_tty_reset(const ExecContext *context); |
5cb5a6ff | 198 | |
8c7be95e LP |
199 | int exec_context_load_environment(const ExecContext *c, char ***l); |
200 | ||
6ac8fdc9 | 201 | bool exec_context_may_touch_console(ExecContext *c); |
c17ec25e | 202 | void exec_context_serialize(const ExecContext *c, Unit *u, FILE *f); |
6ac8fdc9 | 203 | |
b58b4116 | 204 | void exec_status_start(ExecStatus *s, pid_t pid); |
6ea832a2 | 205 | void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status); |
9fb86720 | 206 | void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix); |
5cb5a6ff | 207 | |
44a6b1b6 ZJS |
208 | const char* exec_output_to_string(ExecOutput i) _const_; |
209 | ExecOutput exec_output_from_string(const char *s) _pure_; | |
94f04347 | 210 | |
44a6b1b6 ZJS |
211 | const char* exec_input_to_string(ExecInput i) _const_; |
212 | ExecInput exec_input_from_string(const char *s) _pure_; |