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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
a7334b09 | 2 | |
034c6ed7 LP |
3 | #include <errno.h> |
4 | #include <fcntl.h> | |
8dd4c05b | 5 | #include <poll.h> |
ac8db36c | 6 | #include <sys/file.h> |
f3e43635 | 7 | #include <sys/mman.h> |
8dd4c05b | 8 | #include <sys/personality.h> |
94f04347 | 9 | #include <sys/prctl.h> |
d2ffa389 | 10 | #include <sys/shm.h> |
d2ffa389 | 11 | #include <sys/types.h> |
8dd4c05b LP |
12 | #include <sys/un.h> |
13 | #include <unistd.h> | |
023a4f67 | 14 | #include <utmpx.h> |
5cb5a6ff | 15 | |
9c0c6701 DDM |
16 | #include <linux/fs.h> /* Must be included after <sys/mount.h> */ |
17 | ||
24882e06 | 18 | #include "sd-messages.h" |
8dd4c05b LP |
19 | |
20 | #include "af-list.h" | |
b5efdb8a | 21 | #include "alloc-util.h" |
8dd4c05b | 22 | #include "async.h" |
8dd4c05b | 23 | #include "cap-list.h" |
430f0182 | 24 | #include "capability-util.h" |
fdb3deca | 25 | #include "cgroup-setup.h" |
28db6fbf | 26 | #include "constants.h" |
da681e1b | 27 | #include "cpu-set-util.h" |
af189d7b | 28 | #include "dev-setup.h" |
686d13b9 | 29 | #include "env-file.h" |
4d1a6904 | 30 | #include "env-util.h" |
17df7223 | 31 | #include "errno-list.h" |
8a62620e | 32 | #include "escape.h" |
43962c30 | 33 | #include "exec-credential.h" |
3ffd4af2 | 34 | #include "execute.h" |
bb5232b6 | 35 | #include "execute-serialize.h" |
8dd4c05b | 36 | #include "exit-status.h" |
3ffd4af2 | 37 | #include "fd-util.h" |
154eb43f | 38 | #include "fileio.h" |
f97b34a6 | 39 | #include "format-util.h" |
7d50b32a | 40 | #include "glob-util.h" |
0389f4fa | 41 | #include "hexdecoct.h" |
032b3afb | 42 | #include "ioprio-util.h" |
9c0c6701 | 43 | #include "lock-util.h" |
8dd4c05b LP |
44 | #include "log.h" |
45 | #include "macro.h" | |
e8a565cb | 46 | #include "manager.h" |
2a341bb9 | 47 | #include "manager-dump.h" |
0a970718 | 48 | #include "memory-util.h" |
f5947a5e | 49 | #include "missing_fs.h" |
7a114ed4 | 50 | #include "missing_prctl.h" |
35cd0ba5 | 51 | #include "mkdir-label.h" |
8dd4c05b | 52 | #include "namespace.h" |
6bedfcbb | 53 | #include "parse-util.h" |
8dd4c05b | 54 | #include "path-util.h" |
0b452006 | 55 | #include "process-util.h" |
78f22b97 | 56 | #include "rlimit-util.h" |
8dd4c05b | 57 | #include "rm-rf.h" |
3ffd4af2 | 58 | #include "seccomp-util.h" |
07d46372 | 59 | #include "securebits-util.h" |
8dd4c05b | 60 | #include "selinux-util.h" |
bb5232b6 | 61 | #include "serialize.h" |
a2ab603c | 62 | #include "sort-util.h" |
fd63e712 | 63 | #include "special.h" |
949befd3 | 64 | #include "stat-util.h" |
8b43440b | 65 | #include "string-table.h" |
07630cea | 66 | #include "string-util.h" |
8dd4c05b | 67 | #include "strv.h" |
7ccbd1ae | 68 | #include "syslog-util.h" |
8dd4c05b | 69 | #include "terminal-util.h" |
bb0c0d6f | 70 | #include "tmpfile-util.h" |
566b7d23 | 71 | #include "umask-util.h" |
2d3b784d | 72 | #include "unit-serialize.h" |
b1d4f8e1 | 73 | #include "user-util.h" |
8dd4c05b | 74 | #include "utmp-wtmp.h" |
5cb5a6ff | 75 | |
43efbc39 LB |
76 | static bool is_terminal_input(ExecInput i) { |
77 | return IN_SET(i, | |
78 | EXEC_INPUT_TTY, | |
79 | EXEC_INPUT_TTY_FORCE, | |
80 | EXEC_INPUT_TTY_FAIL); | |
81 | } | |
82 | ||
83 | static bool is_terminal_output(ExecOutput o) { | |
84 | return IN_SET(o, | |
85 | EXEC_OUTPUT_TTY, | |
86 | EXEC_OUTPUT_KMSG_AND_CONSOLE, | |
87 | EXEC_OUTPUT_JOURNAL_AND_CONSOLE); | |
88 | } | |
89 | ||
75689fb2 | 90 | const char *exec_context_tty_path(const ExecContext *context) { |
80876c20 LP |
91 | assert(context); |
92 | ||
1e22b5cd LP |
93 | if (context->stdio_as_fds) |
94 | return NULL; | |
95 | ||
80876c20 LP |
96 | if (context->tty_path) |
97 | return context->tty_path; | |
98 | ||
99 | return "/dev/console"; | |
100 | } | |
101 | ||
d2b9e755 LP |
102 | static void exec_context_determine_tty_size( |
103 | const ExecContext *context, | |
104 | const char *tty_path, | |
105 | unsigned *ret_rows, | |
106 | unsigned *ret_cols) { | |
107 | ||
4d62ee55 | 108 | unsigned rows, cols; |
4d62ee55 DDM |
109 | |
110 | assert(context); | |
111 | assert(ret_rows); | |
112 | assert(ret_cols); | |
113 | ||
d2b9e755 LP |
114 | if (!tty_path) |
115 | tty_path = exec_context_tty_path(context); | |
116 | ||
4d62ee55 DDM |
117 | rows = context->tty_rows; |
118 | cols = context->tty_cols; | |
119 | ||
d2b9e755 LP |
120 | if (tty_path && (rows == UINT_MAX || cols == UINT_MAX)) |
121 | (void) proc_cmdline_tty_size( | |
122 | tty_path, | |
123 | rows == UINT_MAX ? &rows : NULL, | |
124 | cols == UINT_MAX ? &cols : NULL); | |
4d62ee55 DDM |
125 | |
126 | *ret_rows = rows; | |
127 | *ret_cols = cols; | |
4d62ee55 DDM |
128 | } |
129 | ||
d2b9e755 LP |
130 | int exec_context_apply_tty_size( |
131 | const ExecContext *context, | |
132 | int tty_fd, | |
133 | const char *tty_path) { | |
134 | ||
135 | unsigned rows, cols; | |
136 | ||
137 | exec_context_determine_tty_size(context, tty_path, &rows, &cols); | |
138 | ||
139 | return terminal_set_size_fd(tty_fd, tty_path, rows, cols); | |
140 | } | |
141 | ||
75689fb2 | 142 | void exec_context_tty_reset(const ExecContext *context, const ExecParameters *p) { |
af189d7b | 143 | _cleanup_close_ int _fd = -EBADF, lock_fd = -EBADF; |
af189d7b | 144 | int fd; |
1e22b5cd | 145 | |
adabcbab LP |
146 | assert(context); |
147 | ||
148 | const char *path = exec_context_tty_path(context); | |
149 | ||
dd9c8da8 | 150 | if (p && p->stdin_fd >= 0 && isatty_safe(p->stdin_fd)) |
af189d7b | 151 | fd = p->stdin_fd; |
43efbc39 LB |
152 | else if (path && (context->tty_path || is_terminal_input(context->std_input) || |
153 | is_terminal_output(context->std_output) || is_terminal_output(context->std_error))) { | |
af189d7b | 154 | fd = _fd = open_terminal(path, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); |
75689fb2 | 155 | if (fd < 0) |
adabcbab | 156 | return (void) log_debug_errno(fd, "Failed to open terminal '%s', ignoring: %m", path); |
75689fb2 LB |
157 | } else |
158 | return; /* nothing to do */ | |
b83d5050 | 159 | |
af189d7b | 160 | /* Take a synchronization lock for the duration of the setup that we do here. |
adabcbab LP |
161 | * systemd-vconsole-setup.service also takes the lock to avoid being interrupted. We open a new fd |
162 | * that will be closed automatically, and operate on it for convenience. */ | |
af189d7b | 163 | lock_fd = lock_dev_console(); |
f121efd3 | 164 | if (ERRNO_IS_NEG_PRIVILEGE(lock_fd)) |
e9bdbb6b | 165 | log_debug_errno(lock_fd, "No privileges to lock /dev/console, proceeding without lock: %m"); |
f244e7a7 | 166 | else if (ERRNO_IS_NEG_DEVICE_ABSENT(lock_fd)) |
e9bdbb6b | 167 | log_debug_errno(lock_fd, "Device /dev/console does not exist, proceeding without lock: %m"); |
f121efd3 | 168 | else if (lock_fd < 0) |
e9bdbb6b | 169 | log_warning_errno(lock_fd, "Failed to lock /dev/console, proceeding without lock: %m"); |
af189d7b | 170 | |
75689fb2 LB |
171 | if (context->tty_vhangup) |
172 | (void) terminal_vhangup_fd(fd); | |
49590d67 | 173 | |
75689fb2 | 174 | if (context->tty_reset) |
29ed1f02 | 175 | (void) reset_terminal_fd(fd, /* switch_to_text= */ true); |
49590d67 | 176 | |
c34eaeb5 | 177 | (void) exec_context_apply_tty_size(context, fd, path); |
e66cf1a3 | 178 | |
75689fb2 LB |
179 | if (context->tty_vt_disallocate && path) |
180 | (void) vt_disallocate(path); | |
181 | } | |
e66cf1a3 | 182 | |
75689fb2 LB |
183 | bool exec_needs_network_namespace(const ExecContext *context) { |
184 | assert(context); | |
37ac2744 | 185 | |
75689fb2 LB |
186 | return context->private_network || context->network_namespace_path; |
187 | } | |
3b8bddde | 188 | |
75689fb2 LB |
189 | static bool exec_needs_ephemeral(const ExecContext *context) { |
190 | return (context->root_image || context->root_directory) && context->root_ephemeral; | |
191 | } | |
755d4b67 | 192 | |
75689fb2 LB |
193 | bool exec_needs_ipc_namespace(const ExecContext *context) { |
194 | assert(context); | |
fa97f630 | 195 | |
75689fb2 LB |
196 | return context->private_ipc || context->ipc_namespace_path; |
197 | } | |
165a31c0 | 198 | |
75689fb2 LB |
199 | bool exec_needs_mount_namespace( |
200 | const ExecContext *context, | |
201 | const ExecParameters *params, | |
202 | const ExecRuntime *runtime) { | |
755d4b67 | 203 | |
75689fb2 | 204 | assert(context); |
d35fbf6b | 205 | |
75689fb2 LB |
206 | if (context->root_image) |
207 | return true; | |
5cd9cd35 | 208 | |
75689fb2 LB |
209 | if (!strv_isempty(context->read_write_paths) || |
210 | !strv_isempty(context->read_only_paths) || | |
211 | !strv_isempty(context->inaccessible_paths) || | |
212 | !strv_isempty(context->exec_paths) || | |
213 | !strv_isempty(context->no_exec_paths)) | |
214 | return true; | |
5cd9cd35 | 215 | |
75689fb2 LB |
216 | if (context->n_bind_mounts > 0) |
217 | return true; | |
5b6319dc | 218 | |
75689fb2 LB |
219 | if (context->n_temporary_filesystems > 0) |
220 | return true; | |
d35fbf6b | 221 | |
75689fb2 LB |
222 | if (context->n_mount_images > 0) |
223 | return true; | |
04aa0cb9 | 224 | |
75689fb2 LB |
225 | if (context->n_extension_images > 0) |
226 | return true; | |
f4170c67 | 227 | |
75689fb2 LB |
228 | if (!strv_isempty(context->extension_directories)) |
229 | return true; | |
f4170c67 | 230 | |
75689fb2 LB |
231 | if (!IN_SET(context->mount_propagation_flag, 0, MS_SHARED)) |
232 | return true; | |
f69567cb | 233 | |
75689fb2 LB |
234 | if (context->private_tmp && runtime && runtime->shared && (runtime->shared->tmp_dir || runtime->shared->var_tmp_dir)) |
235 | return true; | |
add00535 | 236 | |
75689fb2 LB |
237 | if (context->private_devices || |
238 | context->private_mounts > 0 || | |
239 | (context->private_mounts < 0 && exec_needs_network_namespace(context)) || | |
240 | context->protect_system != PROTECT_SYSTEM_NO || | |
241 | context->protect_home != PROTECT_HOME_NO || | |
242 | context->protect_kernel_tunables || | |
243 | context->protect_kernel_modules || | |
244 | context->protect_kernel_logs || | |
245 | context->protect_control_groups || | |
246 | context->protect_proc != PROTECT_PROC_DEFAULT || | |
247 | context->proc_subset != PROC_SUBSET_ALL || | |
248 | exec_needs_ipc_namespace(context)) | |
249 | return true; | |
502d704e | 250 | |
75689fb2 LB |
251 | if (context->root_directory) { |
252 | if (exec_context_get_effective_mount_apivfs(context)) | |
253 | return true; | |
59eeb84b | 254 | |
75689fb2 LB |
255 | for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) { |
256 | if (params && !params->prefix[t]) | |
257 | continue; | |
84703040 | 258 | |
75689fb2 LB |
259 | if (context->directories[t].n_items > 0) |
260 | return true; | |
fc64760d | 261 | } |
75689fb2 | 262 | } |
fc64760d | 263 | |
75689fb2 LB |
264 | if (context->dynamic_user && |
265 | (context->directories[EXEC_DIRECTORY_STATE].n_items > 0 || | |
266 | context->directories[EXEC_DIRECTORY_CACHE].n_items > 0 || | |
267 | context->directories[EXEC_DIRECTORY_LOGS].n_items > 0)) | |
268 | return true; | |
469830d1 | 269 | |
75689fb2 LB |
270 | if (context->log_namespace) |
271 | return true; | |
ba128bb8 | 272 | |
75689fb2 LB |
273 | return false; |
274 | } | |
78e864e5 | 275 | |
75689fb2 LB |
276 | bool exec_directory_is_private(const ExecContext *context, ExecDirectoryType type) { |
277 | assert(context); | |
9df2cdd8 | 278 | |
75689fb2 LB |
279 | if (!context->dynamic_user) |
280 | return false; | |
b1994387 | 281 | |
75689fb2 LB |
282 | if (type == EXEC_DIRECTORY_CONFIGURATION) |
283 | return false; | |
b1994387 | 284 | |
75689fb2 LB |
285 | if (type == EXEC_DIRECTORY_RUNTIME && context->runtime_directory_preserve_mode == EXEC_PRESERVE_NO) |
286 | return false; | |
034c6ed7 | 287 | |
75689fb2 LB |
288 | return true; |
289 | } | |
00819cc1 | 290 | |
75689fb2 LB |
291 | int exec_params_get_cgroup_path( |
292 | const ExecParameters *params, | |
293 | const CGroupContext *c, | |
294 | char **ret) { | |
00819cc1 | 295 | |
75689fb2 LB |
296 | const char *subgroup = NULL; |
297 | char *p; | |
00819cc1 | 298 | |
75689fb2 LB |
299 | assert(params); |
300 | assert(ret); | |
f331434d | 301 | |
75689fb2 LB |
302 | if (!params->cgroup_path) |
303 | return -EINVAL; | |
f331434d | 304 | |
75689fb2 LB |
305 | /* If we are called for a unit where cgroup delegation is on, and the payload created its own populated |
306 | * subcgroup (which we expect it to do, after all it asked for delegation), then we cannot place the control | |
307 | * processes started after the main unit's process in the unit's main cgroup because it is now an inner one, | |
308 | * and inner cgroups may not contain processes. Hence, if delegation is on, and this is a control process, | |
309 | * let's use ".control" as subcgroup instead. Note that we do so only for ExecStartPost=, ExecReload=, | |
310 | * ExecStop=, ExecStopPost=, i.e. for the commands where the main process is already forked. For ExecStartPre= | |
311 | * this is not necessary, the cgroup is still empty. We distinguish these cases with the EXEC_CONTROL_CGROUP | |
312 | * flag, which is only passed for the former statements, not for the latter. */ | |
034c6ed7 | 313 | |
75689fb2 LB |
314 | if (FLAGS_SET(params->flags, EXEC_CGROUP_DELEGATE) && (FLAGS_SET(params->flags, EXEC_CONTROL_CGROUP) || c->delegate_subgroup)) { |
315 | if (FLAGS_SET(params->flags, EXEC_IS_CONTROL)) | |
316 | subgroup = ".control"; | |
317 | else | |
318 | subgroup = c->delegate_subgroup; | |
319 | } | |
dd305ec9 | 320 | |
75689fb2 LB |
321 | if (subgroup) |
322 | p = path_join(params->cgroup_path, subgroup); | |
323 | else | |
324 | p = strdup(params->cgroup_path); | |
325 | if (!p) | |
326 | return -ENOMEM; | |
5686391b | 327 | |
75689fb2 LB |
328 | *ret = p; |
329 | return !!subgroup; | |
330 | } | |
5686391b | 331 | |
75689fb2 LB |
332 | bool exec_context_get_cpu_affinity_from_numa(const ExecContext *c) { |
333 | assert(c); | |
5686391b | 334 | |
75689fb2 LB |
335 | return c->cpu_affinity_from_numa; |
336 | } | |
5686391b | 337 | |
75689fb2 LB |
338 | static void log_command_line(Unit *unit, const char *msg, const char *executable, char **argv) { |
339 | assert(unit); | |
340 | assert(msg); | |
341 | assert(executable); | |
5686391b | 342 | |
75689fb2 LB |
343 | if (!DEBUG_LOGGING) |
344 | return; | |
5686391b | 345 | |
75689fb2 | 346 | _cleanup_free_ char *cmdline = quote_command_line(argv, SHELL_ESCAPE_EMPTY); |
12145637 | 347 | |
75689fb2 LB |
348 | log_unit_struct(unit, LOG_DEBUG, |
349 | "EXECUTABLE=%s", executable, | |
350 | LOG_UNIT_MESSAGE(unit, "%s: %s", msg, strnull(cmdline)), | |
351 | LOG_UNIT_INVOCATION_ID(unit)); | |
d35fbf6b | 352 | } |
81a2b7ce | 353 | |
75689fb2 LB |
354 | static int exec_context_load_environment(const Unit *unit, const ExecContext *c, char ***l); |
355 | ||
dddc0602 MY |
356 | int exec_spawn( |
357 | Unit *unit, | |
358 | ExecCommand *command, | |
359 | const ExecContext *context, | |
360 | ExecParameters *params, | |
361 | ExecRuntime *runtime, | |
362 | const CGroupContext *cgroup_context, | |
363 | PidRef *ret) { | |
364 | ||
e8815abf | 365 | _cleanup_free_ char *subcgroup_path = NULL, *max_log_levels = NULL, *executor_path = NULL; |
bb5232b6 LB |
366 | _cleanup_fdset_free_ FDSet *fdset = NULL; |
367 | _cleanup_fclose_ FILE *f = NULL; | |
154eb43f | 368 | int r; |
8351ceae | 369 | |
f2341e0a | 370 | assert(unit); |
154eb43f | 371 | assert(unit->manager); |
bb5232b6 | 372 | assert(unit->manager->executor_fd >= 0); |
d35fbf6b DM |
373 | assert(command); |
374 | assert(context); | |
d35fbf6b | 375 | assert(params); |
07ff03d6 MY |
376 | assert(!params->fds || FLAGS_SET(params->flags, EXEC_PASS_FDS)); |
377 | assert(params->fds || (params->n_socket_fds + params->n_storage_fds == 0)); | |
b646fc32 | 378 | assert(!params->files_env); /* We fill this field, ensure it comes NULL-initialized to us */ |
c9033540 | 379 | assert(ret); |
4298d0b5 | 380 | |
4b2af439 DDM |
381 | LOG_CONTEXT_PUSH_UNIT(unit); |
382 | ||
154eb43f | 383 | r = exec_context_load_environment(unit, context, ¶ms->files_env); |
ff0af2a1 | 384 | if (r < 0) |
f2341e0a | 385 | return log_unit_error_errno(unit, r, "Failed to load environment files: %m"); |
034c6ed7 | 386 | |
3ff67ec4 ZJS |
387 | /* We won't know the real executable path until we create the mount namespace in the child, but we |
388 | want to log from the parent, so we use the possibly inaccurate path here. */ | |
75689fb2 | 389 | log_command_line(unit, "About to execute", command->path, command->argv); |
12145637 | 390 | |
78f93209 | 391 | if (params->cgroup_path) { |
75689fb2 | 392 | r = exec_params_get_cgroup_path(params, cgroup_context, &subcgroup_path); |
78f93209 LP |
393 | if (r < 0) |
394 | return log_unit_error_errno(unit, r, "Failed to acquire subcgroup path: %m"); | |
18c1e481 LP |
395 | if (r > 0) { |
396 | /* If there's a subcgroup, then let's create it here now (the main cgroup was already | |
397 | * realized by the unit logic) */ | |
398 | ||
78f93209 LP |
399 | r = cg_create(SYSTEMD_CGROUP_CONTROLLER, subcgroup_path); |
400 | if (r < 0) | |
a8b993dc | 401 | return log_unit_error_errno(unit, r, "Failed to create subcgroup '%s': %m", subcgroup_path); |
78f93209 LP |
402 | } |
403 | } | |
404 | ||
bb5232b6 LB |
405 | /* In order to avoid copy-on-write traps and OOM-kills when pid1's memory.current is above the |
406 | * child's memory.max, serialize all the state needed to start the unit, and pass it to the | |
407 | * systemd-executor binary. clone() with CLONE_VM + CLONE_VFORK will pause the parent until the exec | |
408 | * and ensure all memory is shared. The child immediately execs the new binary so the delay should | |
2e106312 LB |
409 | * be minimal. If glibc 2.39 is available pidfd_spawn() is used in order to get a race-free pid fd |
410 | * and to clone directly into the target cgroup (if we booted with cgroupv2). */ | |
d35fbf6b | 411 | |
bb5232b6 LB |
412 | r = open_serialization_file("sd-executor-state", &f); |
413 | if (r < 0) | |
414 | return log_unit_error_errno(unit, r, "Failed to open serialization stream: %m"); | |
ff0af2a1 | 415 | |
bb5232b6 LB |
416 | fdset = fdset_new(); |
417 | if (!fdset) | |
418 | return log_oom(); | |
12145637 | 419 | |
bb5232b6 LB |
420 | r = exec_serialize_invocation(f, fdset, context, command, params, runtime, cgroup_context); |
421 | if (r < 0) | |
422 | return log_unit_error_errno(unit, r, "Failed to serialize parameters: %m"); | |
e1714f02 | 423 | |
86cbbc6d | 424 | if (fseeko(f, 0, SEEK_SET) < 0) |
bb5232b6 | 425 | return log_unit_error_errno(unit, errno, "Failed to reseek on serialization stream: %m"); |
4c2630eb | 426 | |
bb5232b6 LB |
427 | r = fd_cloexec(fileno(f), false); |
428 | if (r < 0) | |
429 | return log_unit_error_errno(unit, r, "Failed to set O_CLOEXEC on serialization fd: %m"); | |
430 | ||
431 | r = fdset_cloexec(fdset, false); | |
432 | if (r < 0) | |
433 | return log_unit_error_errno(unit, r, "Failed to set O_CLOEXEC on serialized fds: %m"); | |
434 | ||
36013380 YW |
435 | /* If LogLevelMax= is specified, then let's use the specified log level at the beginning of the |
436 | * executor process. To achieve that the specified log level is passed as an argument, rather than | |
437 | * the one for the manager process. */ | |
e8815abf | 438 | r = log_max_levels_to_string(context->log_level_max >= 0 ? context->log_level_max : log_get_max_level(), &max_log_levels); |
bb5232b6 | 439 | if (r < 0) |
e8815abf | 440 | return log_unit_error_errno(unit, r, "Failed to convert max log levels to string: %m"); |
bb5232b6 LB |
441 | |
442 | r = fd_get_path(unit->manager->executor_fd, &executor_path); | |
443 | if (r < 0) | |
444 | return log_unit_error_errno(unit, r, "Failed to get executor path from fd: %m"); | |
445 | ||
dddc0602 | 446 | char serialization_fd_number[DECIMAL_STR_MAX(int)]; |
bb5232b6 LB |
447 | xsprintf(serialization_fd_number, "%i", fileno(f)); |
448 | ||
dddc0602 MY |
449 | _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; |
450 | dual_timestamp start_timestamp; | |
451 | ||
7e0e6b50 DDM |
452 | /* Record the start timestamp before we fork so that it is guaranteed to be earlier than the |
453 | * handoff timestamp. */ | |
454 | dual_timestamp_now(&start_timestamp); | |
455 | ||
bb5232b6 | 456 | /* The executor binary is pinned, to avoid compatibility problems during upgrades. */ |
4520681d MY |
457 | r = posix_spawn_wrapper( |
458 | FORMAT_PROC_FD_PATH(unit->manager->executor_fd), | |
bb5232b6 LB |
459 | STRV_MAKE(executor_path, |
460 | "--deserialize", serialization_fd_number, | |
e8815abf | 461 | "--log-level", max_log_levels, |
bb5232b6 LB |
462 | "--log-target", log_target_to_string(manager_get_executor_log_target(unit->manager))), |
463 | environ, | |
2e106312 | 464 | cg_unified() > 0 ? subcgroup_path : NULL, |
556d2bc4 | 465 | &pidref); |
58ff2f1e MY |
466 | if (r == -EUCLEAN && subcgroup_path) |
467 | return log_unit_error_errno(unit, r, | |
468 | "Failed to spawn process into cgroup '%s', because the cgroup " | |
469 | "or one of its parents or siblings is in the threaded mode.", | |
470 | subcgroup_path); | |
bb5232b6 LB |
471 | if (r < 0) |
472 | return log_unit_error_errno(unit, r, "Failed to spawn executor: %m"); | |
78f93209 LP |
473 | /* We add the new process to the cgroup both in the child (so that we can be sure that no user code is ever |
474 | * executed outside of the cgroup) and in the parent (so that we can be sure that when we kill the cgroup the | |
475 | * process will be killed too). */ | |
c9033540 | 476 | if (r == 0 && subcgroup_path) |
556d2bc4 | 477 | (void) cg_attach(SYSTEMD_CGROUP_CONTROLLER, subcgroup_path, pidref.pid); |
c9033540 MY |
478 | /* r > 0: Already in the right cgroup thanks to CLONE_INTO_CGROUP */ |
479 | ||
480 | log_unit_debug(unit, "Forked %s as " PID_FMT " (%s CLONE_INTO_CGROUP)", | |
481 | command->path, pidref.pid, r > 0 ? "via" : "without"); | |
2da3263a | 482 | |
7e0e6b50 | 483 | exec_status_start(&command->exec_status, pidref.pid, &start_timestamp); |
9fb86720 | 484 | |
556d2bc4 | 485 | *ret = TAKE_PIDREF(pidref); |
5cb5a6ff LP |
486 | return 0; |
487 | } | |
488 | ||
034c6ed7 LP |
489 | void exec_context_init(ExecContext *c) { |
490 | assert(c); | |
491 | ||
154eb43f LB |
492 | /* When initializing a bool member to 'true', make sure to serialize in execute-serialize.c using |
493 | * serialize_bool() instead of serialize_bool_elide(). */ | |
494 | ||
02131627 LB |
495 | *c = (ExecContext) { |
496 | .umask = 0022, | |
497 | .ioprio = IOPRIO_DEFAULT_CLASS_AND_PRIO, | |
498 | .cpu_sched_policy = SCHED_OTHER, | |
499 | .syslog_priority = LOG_DAEMON|LOG_INFO, | |
500 | .syslog_level_prefix = true, | |
501 | .ignore_sigpipe = true, | |
502 | .timer_slack_nsec = NSEC_INFINITY, | |
503 | .personality = PERSONALITY_INVALID, | |
504 | .timeout_clean_usec = USEC_INFINITY, | |
505 | .capability_bounding_set = CAP_MASK_UNSET, | |
506 | .restrict_namespaces = NAMESPACE_FLAGS_INITIAL, | |
507 | .log_level_max = -1, | |
005bfaf1 | 508 | #if HAVE_SECCOMP |
02131627 | 509 | .syscall_errno = SECCOMP_ERROR_NUMBER_KILL, |
005bfaf1 | 510 | #endif |
02131627 LB |
511 | .tty_rows = UINT_MAX, |
512 | .tty_cols = UINT_MAX, | |
513 | .private_mounts = -1, | |
0afd4d21 | 514 | .mount_apivfs = -1, |
02131627 | 515 | .memory_ksm = -1, |
854eca4a | 516 | .set_login_environment = -1, |
02131627 LB |
517 | }; |
518 | ||
59026bcc MY |
519 | FOREACH_ARRAY(d, c->directories, _EXEC_DIRECTORY_TYPE_MAX) |
520 | d->mode = 0755; | |
02131627 | 521 | |
b070c7c0 | 522 | numa_policy_reset(&c->numa_policy); |
02131627 LB |
523 | |
524 | assert_cc(NAMESPACE_FLAGS_INITIAL != NAMESPACE_FLAGS_ALL); | |
034c6ed7 LP |
525 | } |
526 | ||
613b411c | 527 | void exec_context_done(ExecContext *c) { |
5cb5a6ff LP |
528 | assert(c); |
529 | ||
6796073e LP |
530 | c->environment = strv_free(c->environment); |
531 | c->environment_files = strv_free(c->environment_files); | |
b4c14404 | 532 | c->pass_environment = strv_free(c->pass_environment); |
00819cc1 | 533 | c->unset_environment = strv_free(c->unset_environment); |
8c7be95e | 534 | |
31ce987c | 535 | rlimit_free_all(c->rlimit); |
034c6ed7 | 536 | |
5b10116e | 537 | for (size_t l = 0; l < 3; l++) { |
52c239d7 | 538 | c->stdio_fdname[l] = mfree(c->stdio_fdname[l]); |
2038c3f5 LP |
539 | c->stdio_file[l] = mfree(c->stdio_file[l]); |
540 | } | |
52c239d7 | 541 | |
a1e58e8e LP |
542 | c->working_directory = mfree(c->working_directory); |
543 | c->root_directory = mfree(c->root_directory); | |
915e6d16 | 544 | c->root_image = mfree(c->root_image); |
18d73705 | 545 | c->root_image_options = mount_options_free_all(c->root_image_options); |
0389f4fa LB |
546 | c->root_hash = mfree(c->root_hash); |
547 | c->root_hash_size = 0; | |
548 | c->root_hash_path = mfree(c->root_hash_path); | |
d4d55b0d LB |
549 | c->root_hash_sig = mfree(c->root_hash_sig); |
550 | c->root_hash_sig_size = 0; | |
551 | c->root_hash_sig_path = mfree(c->root_hash_sig_path); | |
0389f4fa | 552 | c->root_verity = mfree(c->root_verity); |
93f59701 | 553 | c->extension_images = mount_image_free_many(c->extension_images, &c->n_extension_images); |
a07b9926 | 554 | c->extension_directories = strv_free(c->extension_directories); |
a1e58e8e LP |
555 | c->tty_path = mfree(c->tty_path); |
556 | c->syslog_identifier = mfree(c->syslog_identifier); | |
557 | c->user = mfree(c->user); | |
558 | c->group = mfree(c->group); | |
034c6ed7 | 559 | |
6796073e | 560 | c->supplementary_groups = strv_free(c->supplementary_groups); |
94f04347 | 561 | |
a1e58e8e | 562 | c->pam_name = mfree(c->pam_name); |
5b6319dc | 563 | |
2a624c36 AP |
564 | c->read_only_paths = strv_free(c->read_only_paths); |
565 | c->read_write_paths = strv_free(c->read_write_paths); | |
566 | c->inaccessible_paths = strv_free(c->inaccessible_paths); | |
ddc155b2 TM |
567 | c->exec_paths = strv_free(c->exec_paths); |
568 | c->no_exec_paths = strv_free(c->no_exec_paths); | |
8c35c10d | 569 | c->exec_search_path = strv_free(c->exec_search_path); |
82c121a4 | 570 | |
d2d6c096 | 571 | bind_mount_free_many(c->bind_mounts, c->n_bind_mounts); |
8e06d57c YW |
572 | c->bind_mounts = NULL; |
573 | c->n_bind_mounts = 0; | |
2abd4e38 YW |
574 | temporary_filesystem_free_many(c->temporary_filesystems, c->n_temporary_filesystems); |
575 | c->temporary_filesystems = NULL; | |
576 | c->n_temporary_filesystems = 0; | |
b3d13314 | 577 | c->mount_images = mount_image_free_many(c->mount_images, &c->n_mount_images); |
d2d6c096 | 578 | |
0985c7c4 | 579 | cpu_set_reset(&c->cpu_set); |
b070c7c0 | 580 | numa_policy_reset(&c->numa_policy); |
86a3475b | 581 | |
a1e58e8e LP |
582 | c->utmp_id = mfree(c->utmp_id); |
583 | c->selinux_context = mfree(c->selinux_context); | |
584 | c->apparmor_profile = mfree(c->apparmor_profile); | |
5b8e1b77 | 585 | c->smack_process_label = mfree(c->smack_process_label); |
eef65bf3 | 586 | |
9b412709 | 587 | c->restrict_filesystems = set_free_free(c->restrict_filesystems); |
b1994387 | 588 | |
8cfa775f | 589 | c->syscall_filter = hashmap_free(c->syscall_filter); |
525d3cc7 LP |
590 | c->syscall_archs = set_free(c->syscall_archs); |
591 | c->address_families = set_free(c->address_families); | |
e66cf1a3 | 592 | |
fc932ed4 MY |
593 | FOREACH_ARRAY(d, c->directories, _EXEC_DIRECTORY_TYPE_MAX) |
594 | exec_directory_done(d); | |
d3070fbd LP |
595 | |
596 | c->log_level_max = -1; | |
597 | ||
598 | exec_context_free_log_extra_fields(c); | |
9b412709 FS |
599 | c->log_filter_allowed_patterns = set_free_free(c->log_filter_allowed_patterns); |
600 | c->log_filter_denied_patterns = set_free_free(c->log_filter_denied_patterns); | |
08f3be7a | 601 | |
5ac1530e ZJS |
602 | c->log_ratelimit_interval_usec = 0; |
603 | c->log_ratelimit_burst = 0; | |
90fc172e | 604 | |
08f3be7a LP |
605 | c->stdin_data = mfree(c->stdin_data); |
606 | c->stdin_data_size = 0; | |
a8d08f39 LP |
607 | |
608 | c->network_namespace_path = mfree(c->network_namespace_path); | |
71d1e583 | 609 | c->ipc_namespace_path = mfree(c->ipc_namespace_path); |
91dd5f7c LP |
610 | |
611 | c->log_namespace = mfree(c->log_namespace); | |
bb0c0d6f | 612 | |
43144be4 | 613 | c->load_credentials = hashmap_free(c->load_credentials); |
bb0c0d6f | 614 | c->set_credentials = hashmap_free(c->set_credentials); |
9b412709 | 615 | c->import_credentials = set_free_free(c->import_credentials); |
84be0c71 LP |
616 | |
617 | c->root_image_policy = image_policy_free(c->root_image_policy); | |
618 | c->mount_image_policy = image_policy_free(c->mount_image_policy); | |
619 | c->extension_image_policy = image_policy_free(c->extension_image_policy); | |
e66cf1a3 LP |
620 | } |
621 | ||
34cf6c43 | 622 | int exec_context_destroy_runtime_directory(const ExecContext *c, const char *runtime_prefix) { |
e66cf1a3 LP |
623 | assert(c); |
624 | ||
625 | if (!runtime_prefix) | |
626 | return 0; | |
627 | ||
f7df8adb | 628 | FOREACH_ARRAY(i, c->directories[EXEC_DIRECTORY_RUNTIME].items, c->directories[EXEC_DIRECTORY_RUNTIME].n_items) { |
c2b2df60 | 629 | _cleanup_free_ char *p = NULL; |
e66cf1a3 | 630 | |
494d0247 | 631 | if (exec_directory_is_private(c, EXEC_DIRECTORY_RUNTIME)) |
f7df8adb | 632 | p = path_join(runtime_prefix, "private", i->path); |
494d0247 | 633 | else |
f7df8adb | 634 | p = path_join(runtime_prefix, i->path); |
e66cf1a3 LP |
635 | if (!p) |
636 | return -ENOMEM; | |
637 | ||
7bc4bf4a LP |
638 | /* We execute this synchronously, since we need to be sure this is gone when we start the |
639 | * service next. */ | |
c6878637 | 640 | (void) rm_rf(p, REMOVE_ROOT); |
211a3d87 | 641 | |
f7df8adb | 642 | STRV_FOREACH(symlink, i->symlinks) { |
211a3d87 LB |
643 | _cleanup_free_ char *symlink_abs = NULL; |
644 | ||
645 | if (exec_directory_is_private(c, EXEC_DIRECTORY_RUNTIME)) | |
646 | symlink_abs = path_join(runtime_prefix, "private", *symlink); | |
647 | else | |
648 | symlink_abs = path_join(runtime_prefix, *symlink); | |
649 | if (!symlink_abs) | |
650 | return -ENOMEM; | |
651 | ||
652 | (void) unlink(symlink_abs); | |
653 | } | |
e66cf1a3 LP |
654 | } |
655 | ||
656 | return 0; | |
5cb5a6ff LP |
657 | } |
658 | ||
b9f976fb MK |
659 | int exec_context_destroy_mount_ns_dir(Unit *u) { |
660 | _cleanup_free_ char *p = NULL; | |
661 | ||
662 | if (!u || !MANAGER_IS_SYSTEM(u->manager)) | |
663 | return 0; | |
664 | ||
665 | p = path_join("/run/systemd/propagate/", u->id); | |
666 | if (!p) | |
667 | return -ENOMEM; | |
668 | ||
669 | /* This is only filled transiently (see mount_in_namespace()), should be empty or even non-existent*/ | |
670 | if (rmdir(p) < 0 && errno != ENOENT) | |
671 | log_unit_debug_errno(u, errno, "Unable to remove propagation dir '%s', ignoring: %m", p); | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
bb5232b6 | 676 | void exec_command_done(ExecCommand *c) { |
43d0fcbd LP |
677 | assert(c); |
678 | ||
a1e58e8e | 679 | c->path = mfree(c->path); |
6796073e | 680 | c->argv = strv_free(c->argv); |
43d0fcbd LP |
681 | } |
682 | ||
da6053d0 | 683 | void exec_command_done_array(ExecCommand *c, size_t n) { |
f7df8adb MY |
684 | FOREACH_ARRAY(i, c, n) |
685 | exec_command_done(i); | |
43d0fcbd LP |
686 | } |
687 | ||
f09604b0 MY |
688 | ExecCommand* exec_command_free(ExecCommand *c) { |
689 | if (!c) | |
690 | return NULL; | |
691 | ||
692 | exec_command_done(c); | |
693 | return mfree(c); | |
694 | } | |
695 | ||
f1acf85a | 696 | ExecCommand* exec_command_free_list(ExecCommand *c) { |
5cb5a6ff LP |
697 | ExecCommand *i; |
698 | ||
f09604b0 MY |
699 | while ((i = LIST_POP(command, c))) |
700 | exec_command_free(i); | |
f1acf85a ZJS |
701 | |
702 | return NULL; | |
5cb5a6ff LP |
703 | } |
704 | ||
da6053d0 | 705 | void exec_command_free_array(ExecCommand **c, size_t n) { |
f7df8adb MY |
706 | FOREACH_ARRAY(i, c, n) |
707 | *i = exec_command_free_list(*i); | |
034c6ed7 LP |
708 | } |
709 | ||
6a1d4d9f | 710 | void exec_command_reset_status_array(ExecCommand *c, size_t n) { |
f7df8adb MY |
711 | FOREACH_ARRAY(i, c, n) |
712 | exec_status_reset(&i->exec_status); | |
6a1d4d9f LP |
713 | } |
714 | ||
715 | void exec_command_reset_status_list_array(ExecCommand **c, size_t n) { | |
f7df8adb MY |
716 | FOREACH_ARRAY(i, c, n) |
717 | LIST_FOREACH(command, z, *i) | |
6a1d4d9f | 718 | exec_status_reset(&z->exec_status); |
6a1d4d9f LP |
719 | } |
720 | ||
039f0e70 | 721 | typedef struct InvalidEnvInfo { |
34cf6c43 | 722 | const Unit *unit; |
039f0e70 LP |
723 | const char *path; |
724 | } InvalidEnvInfo; | |
725 | ||
726 | static void invalid_env(const char *p, void *userdata) { | |
727 | InvalidEnvInfo *info = userdata; | |
728 | ||
f2341e0a | 729 | log_unit_error(info->unit, "Ignoring invalid environment assignment '%s': %s", p, info->path); |
039f0e70 LP |
730 | } |
731 | ||
52c239d7 LB |
732 | const char* exec_context_fdname(const ExecContext *c, int fd_index) { |
733 | assert(c); | |
734 | ||
735 | switch (fd_index) { | |
5073ff6b | 736 | |
52c239d7 LB |
737 | case STDIN_FILENO: |
738 | if (c->std_input != EXEC_INPUT_NAMED_FD) | |
739 | return NULL; | |
5073ff6b | 740 | |
52c239d7 | 741 | return c->stdio_fdname[STDIN_FILENO] ?: "stdin"; |
5073ff6b | 742 | |
52c239d7 LB |
743 | case STDOUT_FILENO: |
744 | if (c->std_output != EXEC_OUTPUT_NAMED_FD) | |
745 | return NULL; | |
5073ff6b | 746 | |
52c239d7 | 747 | return c->stdio_fdname[STDOUT_FILENO] ?: "stdout"; |
5073ff6b | 748 | |
52c239d7 LB |
749 | case STDERR_FILENO: |
750 | if (c->std_error != EXEC_OUTPUT_NAMED_FD) | |
751 | return NULL; | |
5073ff6b | 752 | |
52c239d7 | 753 | return c->stdio_fdname[STDERR_FILENO] ?: "stderr"; |
5073ff6b | 754 | |
52c239d7 LB |
755 | default: |
756 | return NULL; | |
757 | } | |
758 | } | |
759 | ||
398a5009 ZJS |
760 | static int exec_context_load_environment(const Unit *unit, const ExecContext *c, char ***ret) { |
761 | _cleanup_strv_free_ char **v = NULL; | |
398a5009 | 762 | int r; |
8c7be95e LP |
763 | |
764 | assert(c); | |
398a5009 | 765 | assert(ret); |
8c7be95e LP |
766 | |
767 | STRV_FOREACH(i, c->environment_files) { | |
7fd1b19b | 768 | _cleanup_globfree_ glob_t pglob = {}; |
398a5009 ZJS |
769 | bool ignore = false; |
770 | char *fn = *i; | |
8c7be95e LP |
771 | |
772 | if (fn[0] == '-') { | |
773 | ignore = true; | |
313cefa1 | 774 | fn++; |
8c7be95e LP |
775 | } |
776 | ||
777 | if (!path_is_absolute(fn)) { | |
8c7be95e LP |
778 | if (ignore) |
779 | continue; | |
8c7be95e LP |
780 | return -EINVAL; |
781 | } | |
782 | ||
2bef10ab | 783 | /* Filename supports globbing, take all matching files */ |
398a5009 ZJS |
784 | r = safe_glob(fn, 0, &pglob); |
785 | if (r < 0) { | |
2bef10ab PL |
786 | if (ignore) |
787 | continue; | |
398a5009 | 788 | return r; |
2bef10ab | 789 | } |
8c7be95e | 790 | |
d8c92e8b ZJS |
791 | /* When we don't match anything, -ENOENT should be returned */ |
792 | assert(pglob.gl_pathc > 0); | |
793 | ||
f7df8adb | 794 | FOREACH_ARRAY(path, pglob.gl_pathv, pglob.gl_pathc) { |
398a5009 ZJS |
795 | _cleanup_strv_free_ char **p = NULL; |
796 | ||
f7df8adb | 797 | r = load_env_file(NULL, *path, &p); |
398a5009 | 798 | if (r < 0) { |
2bef10ab PL |
799 | if (ignore) |
800 | continue; | |
398a5009 | 801 | return r; |
e9c1ea9d | 802 | } |
398a5009 | 803 | |
ebc05a09 | 804 | /* Log invalid environment variables with filename */ |
039f0e70 LP |
805 | if (p) { |
806 | InvalidEnvInfo info = { | |
f2341e0a | 807 | .unit = unit, |
f7df8adb | 808 | .path = *path, |
039f0e70 LP |
809 | }; |
810 | ||
811 | p = strv_env_clean_with_callback(p, invalid_env, &info); | |
812 | } | |
8c7be95e | 813 | |
398a5009 ZJS |
814 | if (!v) |
815 | v = TAKE_PTR(p); | |
2bef10ab | 816 | else { |
398a5009 | 817 | char **m = strv_env_merge(v, p); |
c84a9488 | 818 | if (!m) |
2bef10ab | 819 | return -ENOMEM; |
2bef10ab | 820 | |
398a5009 | 821 | strv_free_and_replace(v, m); |
2bef10ab | 822 | } |
8c7be95e LP |
823 | } |
824 | } | |
825 | ||
398a5009 | 826 | *ret = TAKE_PTR(v); |
8c7be95e LP |
827 | |
828 | return 0; | |
829 | } | |
830 | ||
6ac8fdc9 | 831 | static bool tty_may_match_dev_console(const char *tty) { |
7b912648 | 832 | _cleanup_free_ char *resolved = NULL; |
6ac8fdc9 | 833 | |
1e22b5cd LP |
834 | if (!tty) |
835 | return true; | |
836 | ||
a119ec7c | 837 | tty = skip_dev_prefix(tty); |
6ac8fdc9 MS |
838 | |
839 | /* trivial identity? */ | |
840 | if (streq(tty, "console")) | |
841 | return true; | |
842 | ||
7b912648 LP |
843 | if (resolve_dev_console(&resolved) < 0) |
844 | return true; /* if we could not resolve, assume it may */ | |
6ac8fdc9 MS |
845 | |
846 | /* "tty0" means the active VC, so it may be the same sometimes */ | |
955f1c85 | 847 | return path_equal(resolved, tty) || (streq(resolved, "tty0") && tty_is_vc(tty)); |
6ac8fdc9 MS |
848 | } |
849 | ||
6c0ae739 LP |
850 | static bool exec_context_may_touch_tty(const ExecContext *ec) { |
851 | assert(ec); | |
1e22b5cd | 852 | |
6c0ae739 | 853 | return ec->tty_reset || |
1e22b5cd LP |
854 | ec->tty_vhangup || |
855 | ec->tty_vt_disallocate || | |
6ac8fdc9 MS |
856 | is_terminal_input(ec->std_input) || |
857 | is_terminal_output(ec->std_output) || | |
6c0ae739 LP |
858 | is_terminal_output(ec->std_error); |
859 | } | |
860 | ||
861 | bool exec_context_may_touch_console(const ExecContext *ec) { | |
862 | ||
863 | return exec_context_may_touch_tty(ec) && | |
1e22b5cd | 864 | tty_may_match_dev_console(exec_context_tty_path(ec)); |
6ac8fdc9 MS |
865 | } |
866 | ||
15ae422b | 867 | static void strv_fprintf(FILE *f, char **l) { |
15ae422b LP |
868 | assert(f); |
869 | ||
870 | STRV_FOREACH(g, l) | |
871 | fprintf(f, " %s", *g); | |
872 | } | |
873 | ||
ddc155b2 TM |
874 | static void strv_dump(FILE* f, const char *prefix, const char *name, char **strv) { |
875 | assert(f); | |
876 | assert(prefix); | |
877 | assert(name); | |
878 | ||
879 | if (!strv_isempty(strv)) { | |
a7bd1656 | 880 | fprintf(f, "%s%s:", prefix, name); |
ddc155b2 TM |
881 | strv_fprintf(f, strv); |
882 | fputs("\n", f); | |
883 | } | |
884 | } | |
885 | ||
97f53fec LB |
886 | void exec_params_dump(const ExecParameters *p, FILE* f, const char *prefix) { |
887 | assert(p); | |
888 | assert(f); | |
889 | ||
890 | prefix = strempty(prefix); | |
891 | ||
892 | fprintf(f, | |
893 | "%sRuntimeScope: %s\n" | |
894 | "%sExecFlags: %u\n" | |
895 | "%sSELinuxContextNetwork: %s\n" | |
896 | "%sCgroupSupportedMask: %u\n" | |
897 | "%sCgroupPath: %s\n" | |
898 | "%sCrededentialsDirectory: %s\n" | |
899 | "%sEncryptedCredentialsDirectory: %s\n" | |
900 | "%sConfirmSpawn: %s\n" | |
901 | "%sShallConfirmSpawn: %s\n" | |
902 | "%sWatchdogUSec: " USEC_FMT "\n" | |
903 | "%sNotifySocket: %s\n" | |
904 | "%sFallbackSmackProcessLabel: %s\n", | |
905 | prefix, runtime_scope_to_string(p->runtime_scope), | |
906 | prefix, p->flags, | |
907 | prefix, yes_no(p->selinux_context_net), | |
908 | prefix, p->cgroup_supported, | |
909 | prefix, p->cgroup_path, | |
910 | prefix, strempty(p->received_credentials_directory), | |
911 | prefix, strempty(p->received_encrypted_credentials_directory), | |
912 | prefix, strempty(p->confirm_spawn), | |
913 | prefix, yes_no(p->shall_confirm_spawn), | |
914 | prefix, p->watchdog_usec, | |
915 | prefix, strempty(p->notify_socket), | |
916 | prefix, strempty(p->fallback_smack_process_label)); | |
917 | ||
918 | strv_dump(f, prefix, "FdNames", p->fd_names); | |
919 | strv_dump(f, prefix, "Environment", p->environment); | |
920 | strv_dump(f, prefix, "Prefix", p->prefix); | |
921 | ||
922 | LIST_FOREACH(open_files, file, p->open_files) | |
923 | fprintf(f, "%sOpenFile: %s %s", prefix, file->path, open_file_flags_to_string(file->flags)); | |
924 | ||
925 | strv_dump(f, prefix, "FilesEnv", p->files_env); | |
926 | } | |
927 | ||
34cf6c43 | 928 | void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) { |
add00535 | 929 | int r; |
9eba9da4 | 930 | |
5cb5a6ff LP |
931 | assert(c); |
932 | assert(f); | |
933 | ||
4ad49000 | 934 | prefix = strempty(prefix); |
5cb5a6ff LP |
935 | |
936 | fprintf(f, | |
94f04347 LP |
937 | "%sUMask: %04o\n" |
938 | "%sWorkingDirectory: %s\n" | |
451a074f | 939 | "%sRootDirectory: %s\n" |
9c0c6701 | 940 | "%sRootEphemeral: %s\n" |
15ae422b | 941 | "%sNonBlocking: %s\n" |
64747e2d | 942 | "%sPrivateTmp: %s\n" |
7f112f50 | 943 | "%sPrivateDevices: %s\n" |
59eeb84b | 944 | "%sProtectKernelTunables: %s\n" |
e66a2f65 | 945 | "%sProtectKernelModules: %s\n" |
84703040 | 946 | "%sProtectKernelLogs: %s\n" |
fc64760d | 947 | "%sProtectClock: %s\n" |
59eeb84b | 948 | "%sProtectControlGroups: %s\n" |
d251207d LP |
949 | "%sPrivateNetwork: %s\n" |
950 | "%sPrivateUsers: %s\n" | |
1b8689f9 LP |
951 | "%sProtectHome: %s\n" |
952 | "%sProtectSystem: %s\n" | |
5d997827 | 953 | "%sMountAPIVFS: %s\n" |
f3e43635 | 954 | "%sIgnoreSIGPIPE: %s\n" |
f4170c67 | 955 | "%sMemoryDenyWriteExecute: %s\n" |
b1edf445 | 956 | "%sRestrictRealtime: %s\n" |
f69567cb | 957 | "%sRestrictSUIDSGID: %s\n" |
aecd5ac6 | 958 | "%sKeyringMode: %s\n" |
4e399953 LP |
959 | "%sProtectHostname: %s\n" |
960 | "%sProtectProc: %s\n" | |
961 | "%sProcSubset: %s\n", | |
5cb5a6ff | 962 | prefix, c->umask, |
14eb3285 LP |
963 | prefix, empty_to_root(c->working_directory), |
964 | prefix, empty_to_root(c->root_directory), | |
9c0c6701 | 965 | prefix, yes_no(c->root_ephemeral), |
15ae422b | 966 | prefix, yes_no(c->non_blocking), |
64747e2d | 967 | prefix, yes_no(c->private_tmp), |
7f112f50 | 968 | prefix, yes_no(c->private_devices), |
59eeb84b | 969 | prefix, yes_no(c->protect_kernel_tunables), |
e66a2f65 | 970 | prefix, yes_no(c->protect_kernel_modules), |
84703040 | 971 | prefix, yes_no(c->protect_kernel_logs), |
fc64760d | 972 | prefix, yes_no(c->protect_clock), |
59eeb84b | 973 | prefix, yes_no(c->protect_control_groups), |
d251207d LP |
974 | prefix, yes_no(c->private_network), |
975 | prefix, yes_no(c->private_users), | |
1b8689f9 LP |
976 | prefix, protect_home_to_string(c->protect_home), |
977 | prefix, protect_system_to_string(c->protect_system), | |
5e98086d | 978 | prefix, yes_no(exec_context_get_effective_mount_apivfs(c)), |
f3e43635 | 979 | prefix, yes_no(c->ignore_sigpipe), |
f4170c67 | 980 | prefix, yes_no(c->memory_deny_write_execute), |
b1edf445 | 981 | prefix, yes_no(c->restrict_realtime), |
f69567cb | 982 | prefix, yes_no(c->restrict_suid_sgid), |
aecd5ac6 | 983 | prefix, exec_keyring_mode_to_string(c->keyring_mode), |
4e399953 LP |
984 | prefix, yes_no(c->protect_hostname), |
985 | prefix, protect_proc_to_string(c->protect_proc), | |
986 | prefix, proc_subset_to_string(c->proc_subset)); | |
fb33a393 | 987 | |
06120a15 MY |
988 | if (c->set_login_environment >= 0) |
989 | fprintf(f, "%sSetLoginEnvironment: %s\n", prefix, yes_no(c->set_login_environment > 0)); | |
990 | ||
915e6d16 LP |
991 | if (c->root_image) |
992 | fprintf(f, "%sRootImage: %s\n", prefix, c->root_image); | |
993 | ||
18d73705 | 994 | if (c->root_image_options) { |
18d73705 LB |
995 | fprintf(f, "%sRootImageOptions:", prefix); |
996 | LIST_FOREACH(mount_options, o, c->root_image_options) | |
997 | if (!isempty(o->options)) | |
9ece6444 LB |
998 | fprintf(f, " %s:%s", |
999 | partition_designator_to_string(o->partition_designator), | |
1000 | o->options); | |
18d73705 LB |
1001 | fprintf(f, "\n"); |
1002 | } | |
1003 | ||
0389f4fa LB |
1004 | if (c->root_hash) { |
1005 | _cleanup_free_ char *encoded = NULL; | |
1006 | encoded = hexmem(c->root_hash, c->root_hash_size); | |
1007 | if (encoded) | |
1008 | fprintf(f, "%sRootHash: %s\n", prefix, encoded); | |
1009 | } | |
1010 | ||
1011 | if (c->root_hash_path) | |
1012 | fprintf(f, "%sRootHash: %s\n", prefix, c->root_hash_path); | |
1013 | ||
d4d55b0d LB |
1014 | if (c->root_hash_sig) { |
1015 | _cleanup_free_ char *encoded = NULL; | |
1016 | ssize_t len; | |
1017 | len = base64mem(c->root_hash_sig, c->root_hash_sig_size, &encoded); | |
1018 | if (len) | |
1019 | fprintf(f, "%sRootHashSignature: base64:%s\n", prefix, encoded); | |
1020 | } | |
1021 | ||
1022 | if (c->root_hash_sig_path) | |
1023 | fprintf(f, "%sRootHashSignature: %s\n", prefix, c->root_hash_sig_path); | |
1024 | ||
0389f4fa LB |
1025 | if (c->root_verity) |
1026 | fprintf(f, "%sRootVerity: %s\n", prefix, c->root_verity); | |
1027 | ||
8c7be95e LP |
1028 | STRV_FOREACH(e, c->environment) |
1029 | fprintf(f, "%sEnvironment: %s\n", prefix, *e); | |
1030 | ||
1031 | STRV_FOREACH(e, c->environment_files) | |
1032 | fprintf(f, "%sEnvironmentFile: %s\n", prefix, *e); | |
94f04347 | 1033 | |
b4c14404 FB |
1034 | STRV_FOREACH(e, c->pass_environment) |
1035 | fprintf(f, "%sPassEnvironment: %s\n", prefix, *e); | |
1036 | ||
00819cc1 LP |
1037 | STRV_FOREACH(e, c->unset_environment) |
1038 | fprintf(f, "%sUnsetEnvironment: %s\n", prefix, *e); | |
1039 | ||
53f47dfc YW |
1040 | fprintf(f, "%sRuntimeDirectoryPreserve: %s\n", prefix, exec_preserve_mode_to_string(c->runtime_directory_preserve_mode)); |
1041 | ||
5b10116e | 1042 | for (ExecDirectoryType dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) { |
3536f49e YW |
1043 | fprintf(f, "%s%sMode: %04o\n", prefix, exec_directory_type_to_string(dt), c->directories[dt].mode); |
1044 | ||
211a3d87 LB |
1045 | for (size_t i = 0; i < c->directories[dt].n_items; i++) { |
1046 | fprintf(f, "%s%s: %s\n", prefix, exec_directory_type_to_string(dt), c->directories[dt].items[i].path); | |
1047 | ||
1048 | STRV_FOREACH(d, c->directories[dt].items[i].symlinks) | |
1049 | fprintf(f, "%s%s: %s:%s\n", prefix, exec_directory_type_symlink_to_string(dt), c->directories[dt].items[i].path, *d); | |
1050 | } | |
3536f49e | 1051 | } |
c2bbd90b | 1052 | |
5291f26d | 1053 | fprintf(f, "%sTimeoutCleanSec: %s\n", prefix, FORMAT_TIMESPAN(c->timeout_clean_usec, USEC_PER_SEC)); |
12213aed | 1054 | |
06120a15 MY |
1055 | if (c->memory_ksm >= 0) |
1056 | fprintf(f, "%sMemoryKSM: %s\n", prefix, yes_no(c->memory_ksm > 0)); | |
1057 | ||
fb33a393 | 1058 | if (c->nice_set) |
5291f26d | 1059 | fprintf(f, "%sNice: %i\n", prefix, c->nice); |
fb33a393 | 1060 | |
dd6c17b1 | 1061 | if (c->oom_score_adjust_set) |
5291f26d | 1062 | fprintf(f, "%sOOMScoreAdjust: %i\n", prefix, c->oom_score_adjust); |
9eba9da4 | 1063 | |
ad21e542 | 1064 | if (c->coredump_filter_set) |
5291f26d | 1065 | fprintf(f, "%sCoredumpFilter: 0x%"PRIx64"\n", prefix, c->coredump_filter); |
ad21e542 | 1066 | |
5b10116e | 1067 | for (unsigned i = 0; i < RLIM_NLIMITS; i++) |
3c11da9d | 1068 | if (c->rlimit[i]) { |
4c3a2b84 | 1069 | fprintf(f, "%sLimit%s: " RLIM_FMT "\n", |
3c11da9d | 1070 | prefix, rlimit_to_string(i), c->rlimit[i]->rlim_max); |
4c3a2b84 | 1071 | fprintf(f, "%sLimit%sSoft: " RLIM_FMT "\n", |
3c11da9d EV |
1072 | prefix, rlimit_to_string(i), c->rlimit[i]->rlim_cur); |
1073 | } | |
94f04347 | 1074 | |
f8b69d1d | 1075 | if (c->ioprio_set) { |
1756a011 | 1076 | _cleanup_free_ char *class_str = NULL; |
f8b69d1d | 1077 | |
5bead76e | 1078 | r = ioprio_class_to_string_alloc(ioprio_prio_class(c->ioprio), &class_str); |
837df140 YW |
1079 | if (r >= 0) |
1080 | fprintf(f, "%sIOSchedulingClass: %s\n", prefix, class_str); | |
1081 | ||
5bead76e | 1082 | fprintf(f, "%sIOPriority: %d\n", prefix, ioprio_prio_data(c->ioprio)); |
f8b69d1d | 1083 | } |
94f04347 | 1084 | |
f8b69d1d | 1085 | if (c->cpu_sched_set) { |
1756a011 | 1086 | _cleanup_free_ char *policy_str = NULL; |
f8b69d1d | 1087 | |
837df140 YW |
1088 | r = sched_policy_to_string_alloc(c->cpu_sched_policy, &policy_str); |
1089 | if (r >= 0) | |
1090 | fprintf(f, "%sCPUSchedulingPolicy: %s\n", prefix, policy_str); | |
1091 | ||
94f04347 | 1092 | fprintf(f, |
38b48754 LP |
1093 | "%sCPUSchedulingPriority: %i\n" |
1094 | "%sCPUSchedulingResetOnFork: %s\n", | |
38b48754 LP |
1095 | prefix, c->cpu_sched_priority, |
1096 | prefix, yes_no(c->cpu_sched_reset_on_fork)); | |
b929bf04 | 1097 | } |
94f04347 | 1098 | |
0985c7c4 | 1099 | if (c->cpu_set.set) { |
e7fca352 MS |
1100 | _cleanup_free_ char *affinity = NULL; |
1101 | ||
1102 | affinity = cpu_set_to_range_string(&c->cpu_set); | |
1103 | fprintf(f, "%sCPUAffinity: %s\n", prefix, affinity); | |
94f04347 LP |
1104 | } |
1105 | ||
b070c7c0 MS |
1106 | if (mpol_is_valid(numa_policy_get_type(&c->numa_policy))) { |
1107 | _cleanup_free_ char *nodes = NULL; | |
1108 | ||
1109 | nodes = cpu_set_to_range_string(&c->numa_policy.nodes); | |
1110 | fprintf(f, "%sNUMAPolicy: %s\n", prefix, mpol_to_string(numa_policy_get_type(&c->numa_policy))); | |
1111 | fprintf(f, "%sNUMAMask: %s\n", prefix, strnull(nodes)); | |
1112 | } | |
1113 | ||
3a43da28 | 1114 | if (c->timer_slack_nsec != NSEC_INFINITY) |
ccd06097 | 1115 | fprintf(f, "%sTimerSlackNSec: "NSEC_FMT "\n", prefix, c->timer_slack_nsec); |
94f04347 LP |
1116 | |
1117 | fprintf(f, | |
80876c20 LP |
1118 | "%sStandardInput: %s\n" |
1119 | "%sStandardOutput: %s\n" | |
1120 | "%sStandardError: %s\n", | |
1121 | prefix, exec_input_to_string(c->std_input), | |
1122 | prefix, exec_output_to_string(c->std_output), | |
1123 | prefix, exec_output_to_string(c->std_error)); | |
1124 | ||
befc4a80 LP |
1125 | if (c->std_input == EXEC_INPUT_NAMED_FD) |
1126 | fprintf(f, "%sStandardInputFileDescriptorName: %s\n", prefix, c->stdio_fdname[STDIN_FILENO]); | |
1127 | if (c->std_output == EXEC_OUTPUT_NAMED_FD) | |
1128 | fprintf(f, "%sStandardOutputFileDescriptorName: %s\n", prefix, c->stdio_fdname[STDOUT_FILENO]); | |
1129 | if (c->std_error == EXEC_OUTPUT_NAMED_FD) | |
1130 | fprintf(f, "%sStandardErrorFileDescriptorName: %s\n", prefix, c->stdio_fdname[STDERR_FILENO]); | |
1131 | ||
1132 | if (c->std_input == EXEC_INPUT_FILE) | |
1133 | fprintf(f, "%sStandardInputFile: %s\n", prefix, c->stdio_file[STDIN_FILENO]); | |
1134 | if (c->std_output == EXEC_OUTPUT_FILE) | |
1135 | fprintf(f, "%sStandardOutputFile: %s\n", prefix, c->stdio_file[STDOUT_FILENO]); | |
566b7d23 ZD |
1136 | if (c->std_output == EXEC_OUTPUT_FILE_APPEND) |
1137 | fprintf(f, "%sStandardOutputFileToAppend: %s\n", prefix, c->stdio_file[STDOUT_FILENO]); | |
8d7dab1f LW |
1138 | if (c->std_output == EXEC_OUTPUT_FILE_TRUNCATE) |
1139 | fprintf(f, "%sStandardOutputFileToTruncate: %s\n", prefix, c->stdio_file[STDOUT_FILENO]); | |
befc4a80 LP |
1140 | if (c->std_error == EXEC_OUTPUT_FILE) |
1141 | fprintf(f, "%sStandardErrorFile: %s\n", prefix, c->stdio_file[STDERR_FILENO]); | |
566b7d23 ZD |
1142 | if (c->std_error == EXEC_OUTPUT_FILE_APPEND) |
1143 | fprintf(f, "%sStandardErrorFileToAppend: %s\n", prefix, c->stdio_file[STDERR_FILENO]); | |
8d7dab1f LW |
1144 | if (c->std_error == EXEC_OUTPUT_FILE_TRUNCATE) |
1145 | fprintf(f, "%sStandardErrorFileToTruncate: %s\n", prefix, c->stdio_file[STDERR_FILENO]); | |
befc4a80 | 1146 | |
80876c20 LP |
1147 | if (c->tty_path) |
1148 | fprintf(f, | |
6ea832a2 LP |
1149 | "%sTTYPath: %s\n" |
1150 | "%sTTYReset: %s\n" | |
1151 | "%sTTYVHangup: %s\n" | |
51462135 DDM |
1152 | "%sTTYVTDisallocate: %s\n" |
1153 | "%sTTYRows: %u\n" | |
1154 | "%sTTYColumns: %u\n", | |
6ea832a2 LP |
1155 | prefix, c->tty_path, |
1156 | prefix, yes_no(c->tty_reset), | |
1157 | prefix, yes_no(c->tty_vhangup), | |
51462135 DDM |
1158 | prefix, yes_no(c->tty_vt_disallocate), |
1159 | prefix, c->tty_rows, | |
1160 | prefix, c->tty_cols); | |
94f04347 | 1161 | |
9f6444eb | 1162 | if (IN_SET(c->std_output, |
9f6444eb LP |
1163 | EXEC_OUTPUT_KMSG, |
1164 | EXEC_OUTPUT_JOURNAL, | |
9f6444eb LP |
1165 | EXEC_OUTPUT_KMSG_AND_CONSOLE, |
1166 | EXEC_OUTPUT_JOURNAL_AND_CONSOLE) || | |
1167 | IN_SET(c->std_error, | |
9f6444eb LP |
1168 | EXEC_OUTPUT_KMSG, |
1169 | EXEC_OUTPUT_JOURNAL, | |
9f6444eb LP |
1170 | EXEC_OUTPUT_KMSG_AND_CONSOLE, |
1171 | EXEC_OUTPUT_JOURNAL_AND_CONSOLE)) { | |
f8b69d1d | 1172 | |
5ce70e5b | 1173 | _cleanup_free_ char *fac_str = NULL, *lvl_str = NULL; |
f8b69d1d | 1174 | |
837df140 YW |
1175 | r = log_facility_unshifted_to_string_alloc(c->syslog_priority >> 3, &fac_str); |
1176 | if (r >= 0) | |
1177 | fprintf(f, "%sSyslogFacility: %s\n", prefix, fac_str); | |
f8b69d1d | 1178 | |
837df140 YW |
1179 | r = log_level_to_string_alloc(LOG_PRI(c->syslog_priority), &lvl_str); |
1180 | if (r >= 0) | |
1181 | fprintf(f, "%sSyslogLevel: %s\n", prefix, lvl_str); | |
f8b69d1d | 1182 | } |
94f04347 | 1183 | |
d3070fbd LP |
1184 | if (c->log_level_max >= 0) { |
1185 | _cleanup_free_ char *t = NULL; | |
1186 | ||
1187 | (void) log_level_to_string_alloc(c->log_level_max, &t); | |
1188 | ||
1189 | fprintf(f, "%sLogLevelMax: %s\n", prefix, strna(t)); | |
1190 | } | |
1191 | ||
5291f26d | 1192 | if (c->log_ratelimit_interval_usec > 0) |
90fc172e AZ |
1193 | fprintf(f, |
1194 | "%sLogRateLimitIntervalSec: %s\n", | |
5291f26d | 1195 | prefix, FORMAT_TIMESPAN(c->log_ratelimit_interval_usec, USEC_PER_SEC)); |
90fc172e | 1196 | |
5ac1530e ZJS |
1197 | if (c->log_ratelimit_burst > 0) |
1198 | fprintf(f, "%sLogRateLimitBurst: %u\n", prefix, c->log_ratelimit_burst); | |
90fc172e | 1199 | |
523ea123 QD |
1200 | if (!set_isempty(c->log_filter_allowed_patterns) || !set_isempty(c->log_filter_denied_patterns)) { |
1201 | fprintf(f, "%sLogFilterPatterns:", prefix); | |
1202 | ||
1203 | char *pattern; | |
1204 | SET_FOREACH(pattern, c->log_filter_allowed_patterns) | |
1205 | fprintf(f, " %s", pattern); | |
1206 | SET_FOREACH(pattern, c->log_filter_denied_patterns) | |
1207 | fprintf(f, " ~%s", pattern); | |
1208 | fputc('\n', f); | |
1209 | } | |
1210 | ||
f7df8adb | 1211 | FOREACH_ARRAY(field, c->log_extra_fields, c->n_log_extra_fields) { |
5b10116e | 1212 | fprintf(f, "%sLogExtraFields: ", prefix); |
f7df8adb | 1213 | fwrite(field->iov_base, 1, field->iov_len, f); |
5b10116e | 1214 | fputc('\n', f); |
d3070fbd LP |
1215 | } |
1216 | ||
91dd5f7c LP |
1217 | if (c->log_namespace) |
1218 | fprintf(f, "%sLogNamespace: %s\n", prefix, c->log_namespace); | |
1219 | ||
07d46372 YW |
1220 | if (c->secure_bits) { |
1221 | _cleanup_free_ char *str = NULL; | |
1222 | ||
1223 | r = secure_bits_to_string_alloc(c->secure_bits, &str); | |
1224 | if (r >= 0) | |
1225 | fprintf(f, "%sSecure Bits: %s\n", prefix, str); | |
1226 | } | |
94f04347 | 1227 | |
3fd5190b | 1228 | if (c->capability_bounding_set != CAP_MASK_UNSET) { |
dd1f5bd0 | 1229 | _cleanup_free_ char *str = NULL; |
94f04347 | 1230 | |
8142d735 | 1231 | r = capability_set_to_string(c->capability_bounding_set, &str); |
dd1f5bd0 YW |
1232 | if (r >= 0) |
1233 | fprintf(f, "%sCapabilityBoundingSet: %s\n", prefix, str); | |
755d4b67 IP |
1234 | } |
1235 | ||
1236 | if (c->capability_ambient_set != 0) { | |
dd1f5bd0 | 1237 | _cleanup_free_ char *str = NULL; |
755d4b67 | 1238 | |
8142d735 | 1239 | r = capability_set_to_string(c->capability_ambient_set, &str); |
dd1f5bd0 YW |
1240 | if (r >= 0) |
1241 | fprintf(f, "%sAmbientCapabilities: %s\n", prefix, str); | |
94f04347 LP |
1242 | } |
1243 | ||
1244 | if (c->user) | |
f2d3769a | 1245 | fprintf(f, "%sUser: %s\n", prefix, c->user); |
94f04347 | 1246 | if (c->group) |
f2d3769a | 1247 | fprintf(f, "%sGroup: %s\n", prefix, c->group); |
94f04347 | 1248 | |
29206d46 LP |
1249 | fprintf(f, "%sDynamicUser: %s\n", prefix, yes_no(c->dynamic_user)); |
1250 | ||
ddc155b2 | 1251 | strv_dump(f, prefix, "SupplementaryGroups", c->supplementary_groups); |
94f04347 | 1252 | |
5b6319dc | 1253 | if (c->pam_name) |
f2d3769a | 1254 | fprintf(f, "%sPAMName: %s\n", prefix, c->pam_name); |
5b6319dc | 1255 | |
ddc155b2 TM |
1256 | strv_dump(f, prefix, "ReadWritePaths", c->read_write_paths); |
1257 | strv_dump(f, prefix, "ReadOnlyPaths", c->read_only_paths); | |
1258 | strv_dump(f, prefix, "InaccessiblePaths", c->inaccessible_paths); | |
1259 | strv_dump(f, prefix, "ExecPaths", c->exec_paths); | |
1260 | strv_dump(f, prefix, "NoExecPaths", c->no_exec_paths); | |
8c35c10d | 1261 | strv_dump(f, prefix, "ExecSearchPath", c->exec_search_path); |
2e22afe9 | 1262 | |
f7df8adb | 1263 | FOREACH_ARRAY(mount, c->bind_mounts, c->n_bind_mounts) |
5b10116e | 1264 | fprintf(f, "%s%s: %s%s:%s:%s\n", prefix, |
f7df8adb MY |
1265 | mount->read_only ? "BindReadOnlyPaths" : "BindPaths", |
1266 | mount->ignore_enoent ? "-": "", | |
1267 | mount->source, | |
1268 | mount->destination, | |
1269 | mount->recursive ? "rbind" : "norbind"); | |
2abd4e38 | 1270 | |
f7df8adb | 1271 | FOREACH_ARRAY(tmpfs, c->temporary_filesystems, c->n_temporary_filesystems) |
5b10116e | 1272 | fprintf(f, "%sTemporaryFileSystem: %s%s%s\n", prefix, |
f7df8adb MY |
1273 | tmpfs->path, |
1274 | isempty(tmpfs->options) ? "" : ":", | |
1275 | strempty(tmpfs->options)); | |
2abd4e38 | 1276 | |
169c1bda LP |
1277 | if (c->utmp_id) |
1278 | fprintf(f, | |
1279 | "%sUtmpIdentifier: %s\n", | |
1280 | prefix, c->utmp_id); | |
7b52a628 MS |
1281 | |
1282 | if (c->selinux_context) | |
1283 | fprintf(f, | |
5f8640fb LP |
1284 | "%sSELinuxContext: %s%s\n", |
1285 | prefix, c->selinux_context_ignore ? "-" : "", c->selinux_context); | |
17df7223 | 1286 | |
80c21aea WC |
1287 | if (c->apparmor_profile) |
1288 | fprintf(f, | |
1289 | "%sAppArmorProfile: %s%s\n", | |
1290 | prefix, c->apparmor_profile_ignore ? "-" : "", c->apparmor_profile); | |
1291 | ||
1292 | if (c->smack_process_label) | |
1293 | fprintf(f, | |
1294 | "%sSmackProcessLabel: %s%s\n", | |
1295 | prefix, c->smack_process_label_ignore ? "-" : "", c->smack_process_label); | |
1296 | ||
050f7277 | 1297 | if (c->personality != PERSONALITY_INVALID) |
ac45f971 LP |
1298 | fprintf(f, |
1299 | "%sPersonality: %s\n", | |
1300 | prefix, strna(personality_to_string(c->personality))); | |
1301 | ||
78e864e5 TM |
1302 | fprintf(f, |
1303 | "%sLockPersonality: %s\n", | |
1304 | prefix, yes_no(c->lock_personality)); | |
1305 | ||
17df7223 | 1306 | if (c->syscall_filter) { |
17df7223 | 1307 | fprintf(f, |
57183d11 | 1308 | "%sSystemCallFilter: ", |
17df7223 LP |
1309 | prefix); |
1310 | ||
6b000af4 | 1311 | if (!c->syscall_allow_list) |
17df7223 LP |
1312 | fputc('~', f); |
1313 | ||
349cc4a5 | 1314 | #if HAVE_SECCOMP |
d5a99b7c JJ |
1315 | void *id, *val; |
1316 | bool first = true; | |
90e74a66 | 1317 | HASHMAP_FOREACH_KEY(val, id, c->syscall_filter) { |
17df7223 | 1318 | _cleanup_free_ char *name = NULL; |
8cfa775f YW |
1319 | const char *errno_name = NULL; |
1320 | int num = PTR_TO_INT(val); | |
17df7223 LP |
1321 | |
1322 | if (first) | |
1323 | first = false; | |
1324 | else | |
1325 | fputc(' ', f); | |
1326 | ||
57183d11 | 1327 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); |
17df7223 | 1328 | fputs(strna(name), f); |
8cfa775f YW |
1329 | |
1330 | if (num >= 0) { | |
005bfaf1 | 1331 | errno_name = seccomp_errno_or_action_to_string(num); |
8cfa775f YW |
1332 | if (errno_name) |
1333 | fprintf(f, ":%s", errno_name); | |
1334 | else | |
1335 | fprintf(f, ":%d", num); | |
1336 | } | |
17df7223 | 1337 | } |
351a19b1 | 1338 | #endif |
17df7223 LP |
1339 | |
1340 | fputc('\n', f); | |
1341 | } | |
1342 | ||
57183d11 | 1343 | if (c->syscall_archs) { |
57183d11 LP |
1344 | fprintf(f, |
1345 | "%sSystemCallArchitectures:", | |
1346 | prefix); | |
1347 | ||
349cc4a5 | 1348 | #if HAVE_SECCOMP |
d5a99b7c | 1349 | void *id; |
90e74a66 | 1350 | SET_FOREACH(id, c->syscall_archs) |
57183d11 LP |
1351 | fprintf(f, " %s", strna(seccomp_arch_to_string(PTR_TO_UINT32(id) - 1))); |
1352 | #endif | |
1353 | fputc('\n', f); | |
1354 | } | |
1355 | ||
add00535 LP |
1356 | if (exec_context_restrict_namespaces_set(c)) { |
1357 | _cleanup_free_ char *s = NULL; | |
1358 | ||
86c2a9f1 | 1359 | r = namespace_flags_to_string(c->restrict_namespaces, &s); |
add00535 LP |
1360 | if (r >= 0) |
1361 | fprintf(f, "%sRestrictNamespaces: %s\n", | |
dd0395b5 | 1362 | prefix, strna(s)); |
add00535 LP |
1363 | } |
1364 | ||
b1994387 | 1365 | #if HAVE_LIBBPF |
8fe84dc8 YW |
1366 | if (exec_context_restrict_filesystems_set(c)) { |
1367 | char *fs; | |
1368 | SET_FOREACH(fs, c->restrict_filesystems) | |
1369 | fprintf(f, "%sRestrictFileSystems: %s\n", prefix, fs); | |
1370 | } | |
b1994387 ILG |
1371 | #endif |
1372 | ||
a8d08f39 LP |
1373 | if (c->network_namespace_path) |
1374 | fprintf(f, | |
1375 | "%sNetworkNamespacePath: %s\n", | |
1376 | prefix, c->network_namespace_path); | |
1377 | ||
3df90f24 | 1378 | if (c->syscall_errno > 0) { |
3df90f24 YW |
1379 | fprintf(f, "%sSystemCallErrorNumber: ", prefix); |
1380 | ||
005bfaf1 | 1381 | #if HAVE_SECCOMP |
d5a99b7c | 1382 | const char *errno_name = seccomp_errno_or_action_to_string(c->syscall_errno); |
3df90f24 | 1383 | if (errno_name) |
005bfaf1 | 1384 | fputs(errno_name, f); |
3df90f24 | 1385 | else |
005bfaf1 TM |
1386 | fprintf(f, "%d", c->syscall_errno); |
1387 | #endif | |
1388 | fputc('\n', f); | |
3df90f24 | 1389 | } |
b3d13314 | 1390 | |
f7df8adb | 1391 | FOREACH_ARRAY(mount, c->mount_images, c->n_mount_images) { |
79e20ceb | 1392 | fprintf(f, "%sMountImages: %s%s:%s", prefix, |
f7df8adb MY |
1393 | mount->ignore_enoent ? "-": "", |
1394 | mount->source, | |
1395 | mount->destination); | |
1396 | LIST_FOREACH(mount_options, o, mount->mount_options) | |
79e20ceb | 1397 | fprintf(f, ":%s:%s", |
427353f6 | 1398 | partition_designator_to_string(o->partition_designator), |
79e20ceb | 1399 | strempty(o->options)); |
427353f6 LB |
1400 | fprintf(f, "\n"); |
1401 | } | |
93f59701 | 1402 | |
f7df8adb | 1403 | FOREACH_ARRAY(mount, c->extension_images, c->n_extension_images) { |
93f59701 | 1404 | fprintf(f, "%sExtensionImages: %s%s", prefix, |
f7df8adb MY |
1405 | mount->ignore_enoent ? "-": "", |
1406 | mount->source); | |
1407 | LIST_FOREACH(mount_options, o, mount->mount_options) | |
93f59701 LB |
1408 | fprintf(f, ":%s:%s", |
1409 | partition_designator_to_string(o->partition_designator), | |
1410 | strempty(o->options)); | |
1411 | fprintf(f, "\n"); | |
1412 | } | |
a07b9926 LB |
1413 | |
1414 | strv_dump(f, prefix, "ExtensionDirectories", c->extension_directories); | |
5cb5a6ff LP |
1415 | } |
1416 | ||
34cf6c43 | 1417 | bool exec_context_maintains_privileges(const ExecContext *c) { |
a931ad47 LP |
1418 | assert(c); |
1419 | ||
61233823 | 1420 | /* Returns true if the process forked off would run under |
a931ad47 LP |
1421 | * an unchanged UID or as root. */ |
1422 | ||
1423 | if (!c->user) | |
1424 | return true; | |
1425 | ||
8f0646da | 1426 | if (STR_IN_SET(c->user, "root", "0")) |
a931ad47 LP |
1427 | return true; |
1428 | ||
1429 | return false; | |
1430 | } | |
1431 | ||
34cf6c43 | 1432 | int exec_context_get_effective_ioprio(const ExecContext *c) { |
7f452159 LP |
1433 | int p; |
1434 | ||
1435 | assert(c); | |
1436 | ||
1437 | if (c->ioprio_set) | |
1438 | return c->ioprio; | |
1439 | ||
1440 | p = ioprio_get(IOPRIO_WHO_PROCESS, 0); | |
1441 | if (p < 0) | |
0692548c | 1442 | return IOPRIO_DEFAULT_CLASS_AND_PRIO; |
7f452159 | 1443 | |
8b330d7d | 1444 | return ioprio_normalize(p); |
7f452159 LP |
1445 | } |
1446 | ||
5e98086d ZJS |
1447 | bool exec_context_get_effective_mount_apivfs(const ExecContext *c) { |
1448 | assert(c); | |
1449 | ||
61198784 | 1450 | /* Explicit setting wins */ |
0afd4d21 MY |
1451 | if (c->mount_apivfs >= 0) |
1452 | return c->mount_apivfs > 0; | |
5e98086d | 1453 | |
61198784 | 1454 | /* Default to "yes" if root directory or image are specified */ |
74e12520 | 1455 | if (exec_context_with_rootfs(c)) |
61198784 ZJS |
1456 | return true; |
1457 | ||
5e98086d ZJS |
1458 | return false; |
1459 | } | |
1460 | ||
d3070fbd | 1461 | void exec_context_free_log_extra_fields(ExecContext *c) { |
d3070fbd LP |
1462 | assert(c); |
1463 | ||
f7df8adb MY |
1464 | FOREACH_ARRAY(field, c->log_extra_fields, c->n_log_extra_fields) |
1465 | free(field->iov_base); | |
1466 | ||
d3070fbd LP |
1467 | c->log_extra_fields = mfree(c->log_extra_fields); |
1468 | c->n_log_extra_fields = 0; | |
1469 | } | |
1470 | ||
6f765baf | 1471 | void exec_context_revert_tty(ExecContext *c) { |
254d1313 | 1472 | _cleanup_close_ int fd = -EBADF; |
0ba976e8 LP |
1473 | const char *path; |
1474 | struct stat st; | |
6f765baf LP |
1475 | int r; |
1476 | ||
1477 | assert(c); | |
1478 | ||
1479 | /* First, reset the TTY (possibly kicking everybody else from the TTY) */ | |
f121efd3 | 1480 | exec_context_tty_reset(c, /* parameters= */ NULL); |
6f765baf LP |
1481 | |
1482 | /* And then undo what chown_terminal() did earlier. Note that we only do this if we have a path | |
1483 | * configured. If the TTY was passed to us as file descriptor we assume the TTY is opened and managed | |
1484 | * by whoever passed it to us and thus knows better when and how to chmod()/chown() it back. */ | |
0ba976e8 LP |
1485 | if (!exec_context_may_touch_tty(c)) |
1486 | return; | |
6f765baf | 1487 | |
0ba976e8 LP |
1488 | path = exec_context_tty_path(c); |
1489 | if (!path) | |
1490 | return; | |
6f765baf | 1491 | |
026a8b02 | 1492 | fd = open(path, O_PATH|O_CLOEXEC); /* Pin the inode */ |
0ba976e8 LP |
1493 | if (fd < 0) |
1494 | return (void) log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_WARNING, errno, | |
1495 | "Failed to open TTY inode of '%s' to adjust ownership/access mode, ignoring: %m", | |
1496 | path); | |
1497 | ||
1498 | if (fstat(fd, &st) < 0) | |
1499 | return (void) log_warning_errno(errno, "Failed to stat TTY '%s', ignoring: %m", path); | |
1500 | ||
1501 | /* Let's add a superficial check that we only do this for stuff that looks like a TTY. We only check | |
1502 | * if things are a character device, since a proper check either means we'd have to open the TTY and | |
1503 | * use isatty(), but we'd rather not do that since opening TTYs comes with all kinds of side-effects | |
1504 | * and is slow. Or we'd have to hardcode dev_t major information, which we'd rather avoid. Why bother | |
1505 | * with this at all? → https://github.com/systemd/systemd/issues/19213 */ | |
1506 | if (!S_ISCHR(st.st_mode)) | |
1507 | return log_warning("Configured TTY '%s' is not actually a character device, ignoring.", path); | |
1508 | ||
1509 | r = fchmod_and_chown(fd, TTY_MODE, 0, TTY_GID); | |
1510 | if (r < 0) | |
026a8b02 | 1511 | log_warning_errno(r, "Failed to reset TTY ownership/access mode of %s to " UID_FMT ":" GID_FMT ", ignoring: %m", path, (uid_t) 0, (gid_t) TTY_GID); |
6f765baf LP |
1512 | } |
1513 | ||
4c2f5842 LP |
1514 | int exec_context_get_clean_directories( |
1515 | ExecContext *c, | |
1516 | char **prefix, | |
1517 | ExecCleanMask mask, | |
1518 | char ***ret) { | |
1519 | ||
1520 | _cleanup_strv_free_ char **l = NULL; | |
4c2f5842 LP |
1521 | int r; |
1522 | ||
1523 | assert(c); | |
1524 | assert(prefix); | |
1525 | assert(ret); | |
1526 | ||
5b10116e | 1527 | for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) { |
4c2f5842 LP |
1528 | if (!FLAGS_SET(mask, 1U << t)) |
1529 | continue; | |
1530 | ||
1531 | if (!prefix[t]) | |
1532 | continue; | |
1533 | ||
f7df8adb | 1534 | FOREACH_ARRAY(i, c->directories[t].items, c->directories[t].n_items) { |
4c2f5842 LP |
1535 | char *j; |
1536 | ||
f7df8adb | 1537 | j = path_join(prefix[t], i->path); |
4c2f5842 LP |
1538 | if (!j) |
1539 | return -ENOMEM; | |
1540 | ||
1541 | r = strv_consume(&l, j); | |
1542 | if (r < 0) | |
1543 | return r; | |
7f622a19 YW |
1544 | |
1545 | /* Also remove private directories unconditionally. */ | |
1546 | if (t != EXEC_DIRECTORY_CONFIGURATION) { | |
f7df8adb | 1547 | j = path_join(prefix[t], "private", i->path); |
211a3d87 LB |
1548 | if (!j) |
1549 | return -ENOMEM; | |
1550 | ||
1551 | r = strv_consume(&l, j); | |
1552 | if (r < 0) | |
1553 | return r; | |
1554 | } | |
1555 | ||
f7df8adb | 1556 | STRV_FOREACH(symlink, i->symlinks) { |
211a3d87 | 1557 | j = path_join(prefix[t], *symlink); |
7f622a19 YW |
1558 | if (!j) |
1559 | return -ENOMEM; | |
1560 | ||
1561 | r = strv_consume(&l, j); | |
1562 | if (r < 0) | |
1563 | return r; | |
1564 | } | |
4c2f5842 LP |
1565 | } |
1566 | } | |
1567 | ||
1568 | *ret = TAKE_PTR(l); | |
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | int exec_context_get_clean_mask(ExecContext *c, ExecCleanMask *ret) { | |
1573 | ExecCleanMask mask = 0; | |
1574 | ||
1575 | assert(c); | |
1576 | assert(ret); | |
1577 | ||
1578 | for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) | |
211a3d87 | 1579 | if (c->directories[t].n_items > 0) |
4c2f5842 LP |
1580 | mask |= 1U << t; |
1581 | ||
1582 | *ret = mask; | |
1583 | return 0; | |
1584 | } | |
1585 | ||
ef44aa83 DDM |
1586 | int exec_context_get_oom_score_adjust(const ExecContext *c) { |
1587 | int n = 0, r; | |
1588 | ||
1589 | assert(c); | |
1590 | ||
1591 | if (c->oom_score_adjust_set) | |
1592 | return c->oom_score_adjust; | |
1593 | ||
1594 | r = get_oom_score_adjust(&n); | |
1595 | if (r < 0) | |
1596 | log_debug_errno(r, "Failed to read /proc/self/oom_score_adj, ignoring: %m"); | |
1597 | ||
1598 | return n; | |
1599 | } | |
1600 | ||
1601 | uint64_t exec_context_get_coredump_filter(const ExecContext *c) { | |
1602 | _cleanup_free_ char *t = NULL; | |
1603 | uint64_t n = COREDUMP_FILTER_MASK_DEFAULT; | |
1604 | int r; | |
1605 | ||
1606 | assert(c); | |
1607 | ||
1608 | if (c->coredump_filter_set) | |
1609 | return c->coredump_filter; | |
1610 | ||
1611 | r = read_one_line_file("/proc/self/coredump_filter", &t); | |
1612 | if (r < 0) | |
1613 | log_debug_errno(r, "Failed to read /proc/self/coredump_filter, ignoring: %m"); | |
1614 | else { | |
1615 | r = safe_atoux64(t, &n); | |
1616 | if (r < 0) | |
1617 | log_debug_errno(r, "Failed to parse \"%s\" from /proc/self/coredump_filter, ignoring: %m", t); | |
1618 | } | |
1619 | ||
1620 | return n; | |
1621 | } | |
1622 | ||
1623 | int exec_context_get_nice(const ExecContext *c) { | |
1624 | int n; | |
1625 | ||
1626 | assert(c); | |
1627 | ||
1628 | if (c->nice_set) | |
1629 | return c->nice; | |
1630 | ||
1631 | errno = 0; | |
1632 | n = getpriority(PRIO_PROCESS, 0); | |
1633 | if (errno > 0) { | |
1634 | log_debug_errno(errno, "Failed to get process nice value, ignoring: %m"); | |
1635 | n = 0; | |
1636 | } | |
1637 | ||
1638 | return n; | |
1639 | } | |
1640 | ||
1641 | int exec_context_get_cpu_sched_policy(const ExecContext *c) { | |
1642 | int n; | |
1643 | ||
1644 | assert(c); | |
1645 | ||
1646 | if (c->cpu_sched_set) | |
1647 | return c->cpu_sched_policy; | |
1648 | ||
1649 | n = sched_getscheduler(0); | |
1650 | if (n < 0) | |
1651 | log_debug_errno(errno, "Failed to get scheduler policy, ignoring: %m"); | |
1652 | ||
1653 | return n < 0 ? SCHED_OTHER : n; | |
1654 | } | |
1655 | ||
1656 | int exec_context_get_cpu_sched_priority(const ExecContext *c) { | |
1657 | struct sched_param p = {}; | |
1658 | int r; | |
1659 | ||
1660 | assert(c); | |
1661 | ||
1662 | if (c->cpu_sched_set) | |
1663 | return c->cpu_sched_priority; | |
1664 | ||
1665 | r = sched_getparam(0, &p); | |
1666 | if (r < 0) | |
1667 | log_debug_errno(errno, "Failed to get scheduler priority, ignoring: %m"); | |
1668 | ||
1669 | return r >= 0 ? p.sched_priority : 0; | |
1670 | } | |
1671 | ||
1672 | uint64_t exec_context_get_timer_slack_nsec(const ExecContext *c) { | |
1673 | int r; | |
1674 | ||
1675 | assert(c); | |
1676 | ||
1677 | if (c->timer_slack_nsec != NSEC_INFINITY) | |
1678 | return c->timer_slack_nsec; | |
1679 | ||
1680 | r = prctl(PR_GET_TIMERSLACK); | |
1681 | if (r < 0) | |
1682 | log_debug_errno(r, "Failed to get timer slack, ignoring: %m"); | |
1683 | ||
1684 | return (uint64_t) MAX(r, 0); | |
1685 | } | |
1686 | ||
d1a5be82 LP |
1687 | bool exec_context_get_set_login_environment(const ExecContext *c) { |
1688 | assert(c); | |
1689 | ||
1690 | if (c->set_login_environment >= 0) | |
1691 | return c->set_login_environment; | |
1692 | ||
1693 | return c->user || c->dynamic_user || c->pam_name; | |
1694 | } | |
1695 | ||
ef44aa83 DDM |
1696 | char** exec_context_get_syscall_filter(const ExecContext *c) { |
1697 | _cleanup_strv_free_ char **l = NULL; | |
1698 | ||
1699 | assert(c); | |
1700 | ||
1701 | #if HAVE_SECCOMP | |
1702 | void *id, *val; | |
1703 | HASHMAP_FOREACH_KEY(val, id, c->syscall_filter) { | |
1704 | _cleanup_free_ char *name = NULL; | |
1705 | const char *e = NULL; | |
1706 | char *s; | |
1707 | int num = PTR_TO_INT(val); | |
1708 | ||
1709 | if (c->syscall_allow_list && num >= 0) | |
1710 | /* syscall with num >= 0 in allow-list is denied. */ | |
1711 | continue; | |
1712 | ||
1713 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); | |
1714 | if (!name) | |
1715 | continue; | |
1716 | ||
1717 | if (num >= 0) { | |
1718 | e = seccomp_errno_or_action_to_string(num); | |
1719 | if (e) { | |
1720 | s = strjoin(name, ":", e); | |
1721 | if (!s) | |
1722 | return NULL; | |
1723 | } else { | |
1724 | if (asprintf(&s, "%s:%d", name, num) < 0) | |
1725 | return NULL; | |
1726 | } | |
1727 | } else | |
1728 | s = TAKE_PTR(name); | |
1729 | ||
1730 | if (strv_consume(&l, s) < 0) | |
1731 | return NULL; | |
1732 | } | |
1733 | ||
1734 | strv_sort(l); | |
1735 | #endif | |
1736 | ||
1737 | return l ? TAKE_PTR(l) : strv_new(NULL); | |
1738 | } | |
1739 | ||
1740 | char** exec_context_get_syscall_archs(const ExecContext *c) { | |
1741 | _cleanup_strv_free_ char **l = NULL; | |
1742 | ||
1743 | assert(c); | |
1744 | ||
1745 | #if HAVE_SECCOMP | |
1746 | void *id; | |
1747 | SET_FOREACH(id, c->syscall_archs) { | |
1748 | const char *name; | |
1749 | ||
1750 | name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1); | |
1751 | if (!name) | |
1752 | continue; | |
1753 | ||
1754 | if (strv_extend(&l, name) < 0) | |
1755 | return NULL; | |
1756 | } | |
1757 | ||
1758 | strv_sort(l); | |
1759 | #endif | |
1760 | ||
1761 | return l ? TAKE_PTR(l) : strv_new(NULL); | |
1762 | } | |
1763 | ||
1764 | char** exec_context_get_syscall_log(const ExecContext *c) { | |
1765 | _cleanup_strv_free_ char **l = NULL; | |
1766 | ||
1767 | assert(c); | |
1768 | ||
1769 | #if HAVE_SECCOMP | |
1770 | void *id, *val; | |
1771 | HASHMAP_FOREACH_KEY(val, id, c->syscall_log) { | |
1772 | char *name = NULL; | |
1773 | ||
1774 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); | |
1775 | if (!name) | |
1776 | continue; | |
1777 | ||
1778 | if (strv_consume(&l, name) < 0) | |
1779 | return NULL; | |
1780 | } | |
1781 | ||
1782 | strv_sort(l); | |
1783 | #endif | |
1784 | ||
1785 | return l ? TAKE_PTR(l) : strv_new(NULL); | |
1786 | } | |
1787 | ||
1788 | char** exec_context_get_address_families(const ExecContext *c) { | |
1789 | _cleanup_strv_free_ char **l = NULL; | |
1790 | void *af; | |
1791 | ||
1792 | assert(c); | |
1793 | ||
1794 | SET_FOREACH(af, c->address_families) { | |
1795 | const char *name; | |
1796 | ||
1797 | name = af_to_name(PTR_TO_INT(af)); | |
1798 | if (!name) | |
1799 | continue; | |
1800 | ||
1801 | if (strv_extend(&l, name) < 0) | |
1802 | return NULL; | |
1803 | } | |
1804 | ||
1805 | strv_sort(l); | |
1806 | ||
1807 | return l ? TAKE_PTR(l) : strv_new(NULL); | |
1808 | } | |
1809 | ||
1810 | char** exec_context_get_restrict_filesystems(const ExecContext *c) { | |
1811 | _cleanup_strv_free_ char **l = NULL; | |
1812 | ||
1813 | assert(c); | |
1814 | ||
1815 | #if HAVE_LIBBPF | |
1816 | l = set_get_strv(c->restrict_filesystems); | |
1817 | if (!l) | |
1818 | return NULL; | |
1819 | ||
1820 | strv_sort(l); | |
1821 | #endif | |
1822 | ||
1823 | return l ? TAKE_PTR(l) : strv_new(NULL); | |
1824 | } | |
1825 | ||
7e0e6b50 | 1826 | void exec_status_start(ExecStatus *s, pid_t pid, const dual_timestamp *ts) { |
034c6ed7 | 1827 | assert(s); |
5cb5a6ff | 1828 | |
2ed26ed0 LP |
1829 | *s = (ExecStatus) { |
1830 | .pid = pid, | |
1831 | }; | |
1832 | ||
7e0e6b50 DDM |
1833 | if (ts) |
1834 | s->start_timestamp = *ts; | |
1835 | else | |
1836 | dual_timestamp_now(&s->start_timestamp); | |
b58b4116 LP |
1837 | } |
1838 | ||
34cf6c43 | 1839 | void exec_status_exit(ExecStatus *s, const ExecContext *context, pid_t pid, int code, int status) { |
b58b4116 LP |
1840 | assert(s); |
1841 | ||
d46b79bb | 1842 | if (s->pid != pid) |
2ed26ed0 LP |
1843 | *s = (ExecStatus) { |
1844 | .pid = pid, | |
1845 | }; | |
b58b4116 | 1846 | |
fa5a0251 | 1847 | dual_timestamp_now(&s->exit_timestamp); |
9fb86720 | 1848 | |
034c6ed7 LP |
1849 | s->code = code; |
1850 | s->status = status; | |
169c1bda | 1851 | |
6f765baf LP |
1852 | if (context && context->utmp_id) |
1853 | (void) utmp_put_dead_process(context->utmp_id, pid, code, status); | |
9fb86720 LP |
1854 | } |
1855 | ||
3c1d1ca1 LP |
1856 | void exec_status_handoff(ExecStatus *s, const struct ucred *ucred, const dual_timestamp *ts) { |
1857 | assert(s); | |
1858 | assert(ucred); | |
1859 | assert(ts); | |
1860 | ||
1861 | if (ucred->pid != s->pid) | |
1862 | *s = (ExecStatus) { | |
1863 | .pid = ucred->pid, | |
1864 | }; | |
1865 | ||
1866 | s->handoff_timestamp = *ts; | |
1867 | } | |
1868 | ||
6a1d4d9f LP |
1869 | void exec_status_reset(ExecStatus *s) { |
1870 | assert(s); | |
1871 | ||
1872 | *s = (ExecStatus) {}; | |
1873 | } | |
1874 | ||
34cf6c43 | 1875 | void exec_status_dump(const ExecStatus *s, FILE *f, const char *prefix) { |
9fb86720 LP |
1876 | assert(s); |
1877 | assert(f); | |
1878 | ||
9fb86720 LP |
1879 | if (s->pid <= 0) |
1880 | return; | |
1881 | ||
4c940960 LP |
1882 | prefix = strempty(prefix); |
1883 | ||
9fb86720 | 1884 | fprintf(f, |
ccd06097 ZJS |
1885 | "%sPID: "PID_FMT"\n", |
1886 | prefix, s->pid); | |
9fb86720 | 1887 | |
af9d16e1 | 1888 | if (dual_timestamp_is_set(&s->start_timestamp)) |
9fb86720 LP |
1889 | fprintf(f, |
1890 | "%sStart Timestamp: %s\n", | |
be3444f1 | 1891 | prefix, FORMAT_TIMESTAMP_STYLE(s->start_timestamp.realtime, TIMESTAMP_US)); |
9fb86720 | 1892 | |
be3444f1 LP |
1893 | if (dual_timestamp_is_set(&s->handoff_timestamp) && dual_timestamp_is_set(&s->start_timestamp) && |
1894 | s->handoff_timestamp.monotonic > s->start_timestamp.monotonic) | |
1895 | fprintf(f, | |
1896 | "%sHandoff Timestamp: %s since start\n", | |
1897 | prefix, | |
1898 | FORMAT_TIMESPAN(usec_sub_unsigned(s->handoff_timestamp.monotonic, s->start_timestamp.monotonic), 1)); | |
1899 | else | |
93cb78ae | 1900 | fprintf(f, |
3c1d1ca1 | 1901 | "%sHandoff Timestamp: %s\n", |
be3444f1 LP |
1902 | prefix, FORMAT_TIMESTAMP_STYLE(s->handoff_timestamp.realtime, TIMESTAMP_US)); |
1903 | ||
1904 | if (dual_timestamp_is_set(&s->exit_timestamp)) { | |
1905 | ||
1906 | if (dual_timestamp_is_set(&s->handoff_timestamp) && s->exit_timestamp.monotonic > s->handoff_timestamp.monotonic) | |
1907 | fprintf(f, | |
1908 | "%sExit Timestamp: %s since handoff\n", | |
1909 | prefix, | |
1910 | FORMAT_TIMESPAN(usec_sub_unsigned(s->exit_timestamp.monotonic, s->handoff_timestamp.monotonic), 1)); | |
1911 | else if (dual_timestamp_is_set(&s->start_timestamp) && s->exit_timestamp.monotonic > s->start_timestamp.monotonic) | |
1912 | fprintf(f, | |
1913 | "%sExit Timestamp: %s since start\n", | |
1914 | prefix, | |
1915 | FORMAT_TIMESPAN(usec_sub_unsigned(s->exit_timestamp.monotonic, s->start_timestamp.monotonic), 1)); | |
1916 | else | |
1917 | fprintf(f, | |
1918 | "%sExit Timestamp: %s\n", | |
1919 | prefix, FORMAT_TIMESTAMP_STYLE(s->exit_timestamp.realtime, TIMESTAMP_US)); | |
93cb78ae | 1920 | |
9fb86720 | 1921 | fprintf(f, |
9fb86720 LP |
1922 | "%sExit Code: %s\n" |
1923 | "%sExit Status: %i\n", | |
9fb86720 LP |
1924 | prefix, sigchld_code_to_string(s->code), |
1925 | prefix, s->status); | |
be3444f1 | 1926 | } |
5cb5a6ff | 1927 | } |
44d8db9e | 1928 | |
b9e4d9ba | 1929 | void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix) { |
e1d75803 | 1930 | _cleanup_free_ char *cmd = NULL; |
4c940960 | 1931 | const char *prefix2; |
44d8db9e LP |
1932 | |
1933 | assert(c); | |
1934 | assert(f); | |
1935 | ||
4c940960 | 1936 | prefix = strempty(prefix); |
63c372cb | 1937 | prefix2 = strjoina(prefix, "\t"); |
44d8db9e | 1938 | |
4ef15008 | 1939 | cmd = quote_command_line(c->argv, SHELL_ESCAPE_EMPTY); |
38553034 | 1940 | |
44d8db9e LP |
1941 | fprintf(f, |
1942 | "%sCommand Line: %s\n", | |
38553034 | 1943 | prefix, strnull(cmd)); |
44d8db9e | 1944 | |
9fb86720 | 1945 | exec_status_dump(&c->exec_status, f, prefix2); |
44d8db9e LP |
1946 | } |
1947 | ||
1948 | void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix) { | |
1949 | assert(f); | |
1950 | ||
4c940960 | 1951 | prefix = strempty(prefix); |
44d8db9e | 1952 | |
03677889 YW |
1953 | LIST_FOREACH(command, i, c) |
1954 | exec_command_dump(i, f, prefix); | |
44d8db9e | 1955 | } |
94f04347 | 1956 | |
a6a80b4f LP |
1957 | void exec_command_append_list(ExecCommand **l, ExecCommand *e) { |
1958 | ExecCommand *end; | |
1959 | ||
1960 | assert(l); | |
1961 | assert(e); | |
1962 | ||
1963 | if (*l) { | |
35b8ca3a | 1964 | /* It's kind of important, that we keep the order here */ |
cc232fa0 | 1965 | end = LIST_FIND_TAIL(command, *l); |
71fda00f | 1966 | LIST_INSERT_AFTER(command, *l, end, e); |
a6a80b4f | 1967 | } else |
3ff67ec4 | 1968 | *l = e; |
a6a80b4f LP |
1969 | } |
1970 | ||
26fd040d LP |
1971 | int exec_command_set(ExecCommand *c, const char *path, ...) { |
1972 | va_list ap; | |
1973 | char **l, *p; | |
1974 | ||
1975 | assert(c); | |
1976 | assert(path); | |
1977 | ||
1978 | va_start(ap, path); | |
1979 | l = strv_new_ap(path, ap); | |
1980 | va_end(ap); | |
1981 | ||
1982 | if (!l) | |
1983 | return -ENOMEM; | |
1984 | ||
250a918d LP |
1985 | p = strdup(path); |
1986 | if (!p) { | |
26fd040d LP |
1987 | strv_free(l); |
1988 | return -ENOMEM; | |
1989 | } | |
1990 | ||
6897dfe8 | 1991 | free_and_replace(c->path, p); |
26fd040d | 1992 | |
130d3d22 | 1993 | return strv_free_and_replace(c->argv, l); |
26fd040d LP |
1994 | } |
1995 | ||
86b23b07 | 1996 | int exec_command_append(ExecCommand *c, const char *path, ...) { |
e63ff941 | 1997 | _cleanup_strv_free_ char **l = NULL; |
86b23b07 | 1998 | va_list ap; |
86b23b07 JS |
1999 | int r; |
2000 | ||
2001 | assert(c); | |
2002 | assert(path); | |
2003 | ||
2004 | va_start(ap, path); | |
2005 | l = strv_new_ap(path, ap); | |
2006 | va_end(ap); | |
2007 | ||
2008 | if (!l) | |
2009 | return -ENOMEM; | |
2010 | ||
e287086b | 2011 | r = strv_extend_strv(&c->argv, l, false); |
e63ff941 | 2012 | if (r < 0) |
86b23b07 | 2013 | return r; |
86b23b07 JS |
2014 | |
2015 | return 0; | |
2016 | } | |
2017 | ||
437f3e35 LP |
2018 | static char *destroy_tree(char *path) { |
2019 | if (!path) | |
2020 | return NULL; | |
9c0c6701 | 2021 | |
437f3e35 LP |
2022 | if (!path_equal(path, RUN_SYSTEMD_EMPTY)) { |
2023 | log_debug("Spawning process to nuke '%s'", path); | |
9c0c6701 | 2024 | |
437f3e35 LP |
2025 | (void) asynchronous_rm_rf(path, REMOVE_ROOT|REMOVE_SUBVOLUME|REMOVE_PHYSICAL); |
2026 | } | |
9c0c6701 | 2027 | |
437f3e35 | 2028 | return mfree(path); |
9c0c6701 DDM |
2029 | } |
2030 | ||
bb5232b6 | 2031 | void exec_shared_runtime_done(ExecSharedRuntime *rt) { |
e03975b9 | 2032 | assert(rt); |
e8a565cb YW |
2033 | |
2034 | if (rt->manager) | |
e76506b7 | 2035 | (void) hashmap_remove(rt->manager->exec_shared_runtime_by_id, rt->id); |
e8a565cb | 2036 | |
e52a696a DDM |
2037 | rt->id = mfree(rt->id); |
2038 | rt->tmp_dir = mfree(rt->tmp_dir); | |
2039 | rt->var_tmp_dir = mfree(rt->var_tmp_dir); | |
2040 | safe_close_pair(rt->netns_storage_socket); | |
2041 | safe_close_pair(rt->ipcns_storage_socket); | |
bb5232b6 LB |
2042 | } |
2043 | ||
2044 | static ExecSharedRuntime* exec_shared_runtime_free(ExecSharedRuntime *rt) { | |
e03975b9 MY |
2045 | if (!rt) |
2046 | return NULL; | |
bb5232b6 | 2047 | |
e03975b9 | 2048 | exec_shared_runtime_done(rt); |
e52a696a DDM |
2049 | return mfree(rt); |
2050 | } | |
2051 | ||
2052 | DEFINE_TRIVIAL_UNREF_FUNC(ExecSharedRuntime, exec_shared_runtime, exec_shared_runtime_free); | |
2053 | DEFINE_TRIVIAL_CLEANUP_FUNC(ExecSharedRuntime*, exec_shared_runtime_free); | |
2054 | ||
2055 | ExecSharedRuntime* exec_shared_runtime_destroy(ExecSharedRuntime *rt) { | |
e52a696a DDM |
2056 | if (!rt) |
2057 | return NULL; | |
2058 | ||
2059 | assert(rt->n_ref > 0); | |
2060 | rt->n_ref--; | |
2061 | ||
2062 | if (rt->n_ref > 0) | |
2063 | return NULL; | |
56a13a49 | 2064 | |
437f3e35 LP |
2065 | rt->tmp_dir = destroy_tree(rt->tmp_dir); |
2066 | rt->var_tmp_dir = destroy_tree(rt->var_tmp_dir); | |
e8a565cb | 2067 | |
e52a696a | 2068 | return exec_shared_runtime_free(rt); |
e8a565cb YW |
2069 | } |
2070 | ||
e76506b7 | 2071 | static int exec_shared_runtime_allocate(ExecSharedRuntime **ret, const char *id) { |
56a13a49 | 2072 | _cleanup_free_ char *id_copy = NULL; |
e76506b7 | 2073 | ExecSharedRuntime *n; |
613b411c | 2074 | |
8e8009dc | 2075 | assert(ret); |
613b411c | 2076 | |
56a13a49 ZJS |
2077 | id_copy = strdup(id); |
2078 | if (!id_copy) | |
2079 | return -ENOMEM; | |
2080 | ||
e76506b7 | 2081 | n = new(ExecSharedRuntime, 1); |
8e8009dc | 2082 | if (!n) |
613b411c LP |
2083 | return -ENOMEM; |
2084 | ||
e76506b7 | 2085 | *n = (ExecSharedRuntime) { |
56a13a49 | 2086 | .id = TAKE_PTR(id_copy), |
71136404 LP |
2087 | .netns_storage_socket = EBADF_PAIR, |
2088 | .ipcns_storage_socket = EBADF_PAIR, | |
8e8009dc LP |
2089 | }; |
2090 | ||
2091 | *ret = n; | |
613b411c LP |
2092 | return 0; |
2093 | } | |
2094 | ||
e76506b7 | 2095 | static int exec_shared_runtime_add( |
e8a565cb YW |
2096 | Manager *m, |
2097 | const char *id, | |
56a13a49 ZJS |
2098 | char **tmp_dir, |
2099 | char **var_tmp_dir, | |
2100 | int netns_storage_socket[2], | |
a70581ff | 2101 | int ipcns_storage_socket[2], |
e76506b7 | 2102 | ExecSharedRuntime **ret) { |
e8a565cb | 2103 | |
e76506b7 | 2104 | _cleanup_(exec_shared_runtime_freep) ExecSharedRuntime *rt = NULL; |
613b411c LP |
2105 | int r; |
2106 | ||
e8a565cb | 2107 | assert(m); |
613b411c LP |
2108 | assert(id); |
2109 | ||
a70581ff | 2110 | /* tmp_dir, var_tmp_dir, {net,ipc}ns_storage_socket fds are donated on success */ |
56a13a49 | 2111 | |
e76506b7 | 2112 | r = exec_shared_runtime_allocate(&rt, id); |
613b411c LP |
2113 | if (r < 0) |
2114 | return r; | |
2115 | ||
e76506b7 | 2116 | r = hashmap_ensure_put(&m->exec_shared_runtime_by_id, &string_hash_ops, rt->id, rt); |
56a13a49 ZJS |
2117 | if (r < 0) |
2118 | return r; | |
e8a565cb | 2119 | |
56a13a49 ZJS |
2120 | assert(!!rt->tmp_dir == !!rt->var_tmp_dir); /* We require both to be set together */ |
2121 | rt->tmp_dir = TAKE_PTR(*tmp_dir); | |
2122 | rt->var_tmp_dir = TAKE_PTR(*var_tmp_dir); | |
e8a565cb YW |
2123 | |
2124 | if (netns_storage_socket) { | |
56a13a49 ZJS |
2125 | rt->netns_storage_socket[0] = TAKE_FD(netns_storage_socket[0]); |
2126 | rt->netns_storage_socket[1] = TAKE_FD(netns_storage_socket[1]); | |
613b411c LP |
2127 | } |
2128 | ||
a70581ff XR |
2129 | if (ipcns_storage_socket) { |
2130 | rt->ipcns_storage_socket[0] = TAKE_FD(ipcns_storage_socket[0]); | |
2131 | rt->ipcns_storage_socket[1] = TAKE_FD(ipcns_storage_socket[1]); | |
2132 | } | |
2133 | ||
e8a565cb YW |
2134 | rt->manager = m; |
2135 | ||
2136 | if (ret) | |
2137 | *ret = rt; | |
e76506b7 | 2138 | /* do not remove created ExecSharedRuntime object when the operation succeeds. */ |
56a13a49 | 2139 | TAKE_PTR(rt); |
e8a565cb YW |
2140 | return 0; |
2141 | } | |
2142 | ||
e76506b7 | 2143 | static int exec_shared_runtime_make( |
74aaf59b LP |
2144 | Manager *m, |
2145 | const ExecContext *c, | |
2146 | const char *id, | |
e76506b7 | 2147 | ExecSharedRuntime **ret) { |
74aaf59b | 2148 | |
56a13a49 | 2149 | _cleanup_(namespace_cleanup_tmpdirp) char *tmp_dir = NULL, *var_tmp_dir = NULL; |
71136404 | 2150 | _cleanup_close_pair_ int netns_storage_socket[2] = EBADF_PAIR, ipcns_storage_socket[2] = EBADF_PAIR; |
e8a565cb YW |
2151 | int r; |
2152 | ||
2153 | assert(m); | |
2154 | assert(c); | |
2155 | assert(id); | |
2156 | ||
e76506b7 | 2157 | /* It is not necessary to create ExecSharedRuntime object. */ |
fde36d25 | 2158 | if (!exec_needs_network_namespace(c) && !exec_needs_ipc_namespace(c) && !c->private_tmp) { |
74aaf59b | 2159 | *ret = NULL; |
e8a565cb | 2160 | return 0; |
74aaf59b | 2161 | } |
e8a565cb | 2162 | |
efa2f3a1 TM |
2163 | if (c->private_tmp && |
2164 | !(prefixed_path_strv_contains(c->inaccessible_paths, "/tmp") && | |
2165 | (prefixed_path_strv_contains(c->inaccessible_paths, "/var/tmp") || | |
2166 | prefixed_path_strv_contains(c->inaccessible_paths, "/var")))) { | |
e8a565cb | 2167 | r = setup_tmp_dirs(id, &tmp_dir, &var_tmp_dir); |
613b411c LP |
2168 | if (r < 0) |
2169 | return r; | |
2170 | } | |
2171 | ||
a7774a8c | 2172 | if (exec_needs_network_namespace(c)) |
e8a565cb YW |
2173 | if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, netns_storage_socket) < 0) |
2174 | return -errno; | |
e8a565cb | 2175 | |
a7774a8c | 2176 | if (exec_needs_ipc_namespace(c)) |
a70581ff XR |
2177 | if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, ipcns_storage_socket) < 0) |
2178 | return -errno; | |
a70581ff | 2179 | |
e76506b7 | 2180 | r = exec_shared_runtime_add(m, id, &tmp_dir, &var_tmp_dir, netns_storage_socket, ipcns_storage_socket, ret); |
e8a565cb YW |
2181 | if (r < 0) |
2182 | return r; | |
2183 | ||
613b411c LP |
2184 | return 1; |
2185 | } | |
2186 | ||
e76506b7 DDM |
2187 | int exec_shared_runtime_acquire(Manager *m, const ExecContext *c, const char *id, bool create, ExecSharedRuntime **ret) { |
2188 | ExecSharedRuntime *rt; | |
e8a565cb | 2189 | int r; |
613b411c | 2190 | |
e8a565cb YW |
2191 | assert(m); |
2192 | assert(id); | |
2193 | assert(ret); | |
2194 | ||
e76506b7 | 2195 | rt = hashmap_get(m->exec_shared_runtime_by_id, id); |
e8a565cb | 2196 | if (rt) |
e76506b7 | 2197 | /* We already have an ExecSharedRuntime object, let's increase the ref count and reuse it */ |
e8a565cb YW |
2198 | goto ref; |
2199 | ||
74aaf59b LP |
2200 | if (!create) { |
2201 | *ret = NULL; | |
e8a565cb | 2202 | return 0; |
74aaf59b | 2203 | } |
e8a565cb YW |
2204 | |
2205 | /* If not found, then create a new object. */ | |
e76506b7 | 2206 | r = exec_shared_runtime_make(m, c, id, &rt); |
74aaf59b | 2207 | if (r < 0) |
e8a565cb | 2208 | return r; |
74aaf59b | 2209 | if (r == 0) { |
e76506b7 | 2210 | /* When r == 0, it is not necessary to create ExecSharedRuntime object. */ |
74aaf59b LP |
2211 | *ret = NULL; |
2212 | return 0; | |
2213 | } | |
613b411c | 2214 | |
e8a565cb YW |
2215 | ref: |
2216 | /* increment reference counter. */ | |
2217 | rt->n_ref++; | |
2218 | *ret = rt; | |
2219 | return 1; | |
2220 | } | |
613b411c | 2221 | |
e76506b7 DDM |
2222 | int exec_shared_runtime_serialize(const Manager *m, FILE *f, FDSet *fds) { |
2223 | ExecSharedRuntime *rt; | |
e8a565cb YW |
2224 | |
2225 | assert(m); | |
613b411c LP |
2226 | assert(f); |
2227 | assert(fds); | |
2228 | ||
e76506b7 | 2229 | HASHMAP_FOREACH(rt, m->exec_shared_runtime_by_id) { |
e8a565cb | 2230 | fprintf(f, "exec-runtime=%s", rt->id); |
613b411c | 2231 | |
e8a565cb YW |
2232 | if (rt->tmp_dir) |
2233 | fprintf(f, " tmp-dir=%s", rt->tmp_dir); | |
613b411c | 2234 | |
e8a565cb YW |
2235 | if (rt->var_tmp_dir) |
2236 | fprintf(f, " var-tmp-dir=%s", rt->var_tmp_dir); | |
613b411c | 2237 | |
e8a565cb YW |
2238 | if (rt->netns_storage_socket[0] >= 0) { |
2239 | int copy; | |
613b411c | 2240 | |
e8a565cb YW |
2241 | copy = fdset_put_dup(fds, rt->netns_storage_socket[0]); |
2242 | if (copy < 0) | |
2243 | return copy; | |
613b411c | 2244 | |
e8a565cb YW |
2245 | fprintf(f, " netns-socket-0=%i", copy); |
2246 | } | |
613b411c | 2247 | |
e8a565cb YW |
2248 | if (rt->netns_storage_socket[1] >= 0) { |
2249 | int copy; | |
613b411c | 2250 | |
e8a565cb YW |
2251 | copy = fdset_put_dup(fds, rt->netns_storage_socket[1]); |
2252 | if (copy < 0) | |
2253 | return copy; | |
613b411c | 2254 | |
e8a565cb YW |
2255 | fprintf(f, " netns-socket-1=%i", copy); |
2256 | } | |
2257 | ||
a70581ff XR |
2258 | if (rt->ipcns_storage_socket[0] >= 0) { |
2259 | int copy; | |
2260 | ||
2261 | copy = fdset_put_dup(fds, rt->ipcns_storage_socket[0]); | |
2262 | if (copy < 0) | |
2263 | return copy; | |
2264 | ||
2265 | fprintf(f, " ipcns-socket-0=%i", copy); | |
2266 | } | |
2267 | ||
2268 | if (rt->ipcns_storage_socket[1] >= 0) { | |
2269 | int copy; | |
2270 | ||
2271 | copy = fdset_put_dup(fds, rt->ipcns_storage_socket[1]); | |
2272 | if (copy < 0) | |
2273 | return copy; | |
2274 | ||
2275 | fprintf(f, " ipcns-socket-1=%i", copy); | |
2276 | } | |
2277 | ||
e8a565cb | 2278 | fputc('\n', f); |
613b411c LP |
2279 | } |
2280 | ||
2281 | return 0; | |
2282 | } | |
2283 | ||
e76506b7 DDM |
2284 | int exec_shared_runtime_deserialize_compat(Unit *u, const char *key, const char *value, FDSet *fds) { |
2285 | _cleanup_(exec_shared_runtime_freep) ExecSharedRuntime *rt_create = NULL; | |
154eb43f | 2286 | ExecSharedRuntime *rt = NULL; |
613b411c LP |
2287 | int r; |
2288 | ||
e8a565cb YW |
2289 | /* This is for the migration from old (v237 or earlier) deserialization text. |
2290 | * Due to the bug #7790, this may not work with the units that use JoinsNamespaceOf=. | |
e76506b7 | 2291 | * Even if the ExecSharedRuntime object originally created by the other unit, we cannot judge |
e8a565cb YW |
2292 | * so or not from the serialized text, then we always creates a new object owned by this. */ |
2293 | ||
2294 | assert(u); | |
613b411c LP |
2295 | assert(key); |
2296 | assert(value); | |
2297 | ||
e76506b7 | 2298 | /* Manager manages ExecSharedRuntime objects by the unit id. |
e8a565cb YW |
2299 | * So, we omit the serialized text when the unit does not have id (yet?)... */ |
2300 | if (isempty(u->id)) { | |
2301 | log_unit_debug(u, "Invocation ID not found. Dropping runtime parameter."); | |
2302 | return 0; | |
2303 | } | |
613b411c | 2304 | |
154eb43f LB |
2305 | if (u->manager) { |
2306 | if (hashmap_ensure_allocated(&u->manager->exec_shared_runtime_by_id, &string_hash_ops) < 0) | |
2307 | return log_oom(); | |
e8a565cb | 2308 | |
154eb43f LB |
2309 | rt = hashmap_get(u->manager->exec_shared_runtime_by_id, u->id); |
2310 | } | |
e8a565cb | 2311 | if (!rt) { |
e76506b7 | 2312 | if (exec_shared_runtime_allocate(&rt_create, u->id) < 0) |
f2341e0a | 2313 | return log_oom(); |
613b411c | 2314 | |
e8a565cb YW |
2315 | rt = rt_create; |
2316 | } | |
2317 | ||
2318 | if (streq(key, "tmp-dir")) { | |
cbc165d1 ZJS |
2319 | if (free_and_strdup_warn(&rt->tmp_dir, value) < 0) |
2320 | return -ENOMEM; | |
613b411c LP |
2321 | |
2322 | } else if (streq(key, "var-tmp-dir")) { | |
cbc165d1 ZJS |
2323 | if (free_and_strdup_warn(&rt->var_tmp_dir, value) < 0) |
2324 | return -ENOMEM; | |
613b411c LP |
2325 | |
2326 | } else if (streq(key, "netns-socket-0")) { | |
e8a565cb YW |
2327 | |
2328 | safe_close(rt->netns_storage_socket[0]); | |
dff9808a LP |
2329 | rt->netns_storage_socket[0] = deserialize_fd(fds, value); |
2330 | if (rt->netns_storage_socket[0] < 0) | |
2331 | return 0; | |
e8a565cb | 2332 | |
613b411c | 2333 | } else if (streq(key, "netns-socket-1")) { |
e8a565cb YW |
2334 | |
2335 | safe_close(rt->netns_storage_socket[1]); | |
dff9808a LP |
2336 | rt->netns_storage_socket[1] = deserialize_fd(fds, value); |
2337 | if (rt->netns_storage_socket[1] < 0) | |
2338 | return 0; | |
613b411c LP |
2339 | } else |
2340 | return 0; | |
2341 | ||
e76506b7 | 2342 | /* If the object is newly created, then put it to the hashmap which manages ExecSharedRuntime objects. */ |
154eb43f | 2343 | if (rt_create && u->manager) { |
e76506b7 | 2344 | r = hashmap_put(u->manager->exec_shared_runtime_by_id, rt_create->id, rt_create); |
e8a565cb | 2345 | if (r < 0) { |
3fe91079 | 2346 | log_unit_debug_errno(u, r, "Failed to put runtime parameter to manager's storage: %m"); |
e8a565cb YW |
2347 | return 0; |
2348 | } | |
613b411c | 2349 | |
e8a565cb | 2350 | rt_create->manager = u->manager; |
613b411c | 2351 | |
e8a565cb | 2352 | /* Avoid cleanup */ |
56a13a49 | 2353 | TAKE_PTR(rt_create); |
e8a565cb | 2354 | } |
98b47d54 | 2355 | |
e8a565cb YW |
2356 | return 1; |
2357 | } | |
613b411c | 2358 | |
e76506b7 | 2359 | int exec_shared_runtime_deserialize_one(Manager *m, const char *value, FDSet *fds) { |
56a13a49 ZJS |
2360 | _cleanup_free_ char *tmp_dir = NULL, *var_tmp_dir = NULL; |
2361 | char *id = NULL; | |
a70581ff | 2362 | int r, netns_fdpair[] = {-1, -1}, ipcns_fdpair[] = {-1, -1}; |
99534007 | 2363 | const char *p, *v = ASSERT_PTR(value); |
e8a565cb | 2364 | size_t n; |
613b411c | 2365 | |
e8a565cb | 2366 | assert(m); |
e8a565cb | 2367 | assert(fds); |
98b47d54 | 2368 | |
e8a565cb | 2369 | n = strcspn(v, " "); |
2f82562b | 2370 | id = strndupa_safe(v, n); |
e8a565cb YW |
2371 | if (v[n] != ' ') |
2372 | goto finalize; | |
2373 | p = v + n + 1; | |
2374 | ||
2375 | v = startswith(p, "tmp-dir="); | |
2376 | if (v) { | |
2377 | n = strcspn(v, " "); | |
56a13a49 ZJS |
2378 | tmp_dir = strndup(v, n); |
2379 | if (!tmp_dir) | |
2380 | return log_oom(); | |
e8a565cb YW |
2381 | if (v[n] != ' ') |
2382 | goto finalize; | |
2383 | p = v + n + 1; | |
2384 | } | |
2385 | ||
2386 | v = startswith(p, "var-tmp-dir="); | |
2387 | if (v) { | |
2388 | n = strcspn(v, " "); | |
56a13a49 ZJS |
2389 | var_tmp_dir = strndup(v, n); |
2390 | if (!var_tmp_dir) | |
2391 | return log_oom(); | |
e8a565cb YW |
2392 | if (v[n] != ' ') |
2393 | goto finalize; | |
2394 | p = v + n + 1; | |
2395 | } | |
2396 | ||
2397 | v = startswith(p, "netns-socket-0="); | |
2398 | if (v) { | |
2399 | char *buf; | |
2400 | ||
2401 | n = strcspn(v, " "); | |
2f82562b | 2402 | buf = strndupa_safe(v, n); |
c413bb28 | 2403 | |
dff9808a | 2404 | netns_fdpair[0] = deserialize_fd(fds, buf); |
e652663a | 2405 | if (netns_fdpair[0] < 0) |
dff9808a | 2406 | return netns_fdpair[0]; |
e8a565cb YW |
2407 | if (v[n] != ' ') |
2408 | goto finalize; | |
2409 | p = v + n + 1; | |
613b411c LP |
2410 | } |
2411 | ||
e8a565cb YW |
2412 | v = startswith(p, "netns-socket-1="); |
2413 | if (v) { | |
2414 | char *buf; | |
98b47d54 | 2415 | |
e8a565cb | 2416 | n = strcspn(v, " "); |
2f82562b | 2417 | buf = strndupa_safe(v, n); |
a70581ff | 2418 | |
dff9808a | 2419 | netns_fdpair[1] = deserialize_fd(fds, buf); |
e652663a | 2420 | if (netns_fdpair[1] < 0) |
dff9808a | 2421 | return netns_fdpair[1]; |
a70581ff XR |
2422 | if (v[n] != ' ') |
2423 | goto finalize; | |
2424 | p = v + n + 1; | |
2425 | } | |
2426 | ||
2427 | v = startswith(p, "ipcns-socket-0="); | |
2428 | if (v) { | |
2429 | char *buf; | |
2430 | ||
2431 | n = strcspn(v, " "); | |
2f82562b | 2432 | buf = strndupa_safe(v, n); |
a70581ff | 2433 | |
dff9808a | 2434 | ipcns_fdpair[0] = deserialize_fd(fds, buf); |
e652663a | 2435 | if (ipcns_fdpair[0] < 0) |
dff9808a | 2436 | return ipcns_fdpair[0]; |
a70581ff XR |
2437 | if (v[n] != ' ') |
2438 | goto finalize; | |
2439 | p = v + n + 1; | |
2440 | } | |
2441 | ||
2442 | v = startswith(p, "ipcns-socket-1="); | |
2443 | if (v) { | |
2444 | char *buf; | |
2445 | ||
2446 | n = strcspn(v, " "); | |
2f82562b | 2447 | buf = strndupa_safe(v, n); |
a70581ff | 2448 | |
dff9808a | 2449 | ipcns_fdpair[1] = deserialize_fd(fds, buf); |
e652663a | 2450 | if (ipcns_fdpair[1] < 0) |
dff9808a | 2451 | return ipcns_fdpair[1]; |
e8a565cb | 2452 | } |
98b47d54 | 2453 | |
e8a565cb | 2454 | finalize: |
e76506b7 | 2455 | r = exec_shared_runtime_add(m, id, &tmp_dir, &var_tmp_dir, netns_fdpair, ipcns_fdpair, NULL); |
7d853ca6 | 2456 | if (r < 0) |
56a13a49 ZJS |
2457 | return log_debug_errno(r, "Failed to add exec-runtime: %m"); |
2458 | return 0; | |
e8a565cb | 2459 | } |
613b411c | 2460 | |
e76506b7 DDM |
2461 | void exec_shared_runtime_vacuum(Manager *m) { |
2462 | ExecSharedRuntime *rt; | |
e8a565cb YW |
2463 | |
2464 | assert(m); | |
2465 | ||
e76506b7 | 2466 | /* Free unreferenced ExecSharedRuntime objects. This is used after manager deserialization process. */ |
e8a565cb | 2467 | |
e76506b7 | 2468 | HASHMAP_FOREACH(rt, m->exec_shared_runtime_by_id) { |
e8a565cb YW |
2469 | if (rt->n_ref > 0) |
2470 | continue; | |
2471 | ||
e52a696a | 2472 | (void) exec_shared_runtime_free(rt); |
e8a565cb | 2473 | } |
613b411c LP |
2474 | } |
2475 | ||
9c0c6701 DDM |
2476 | int exec_runtime_make( |
2477 | const Unit *unit, | |
2478 | const ExecContext *context, | |
2479 | ExecSharedRuntime *shared, | |
2480 | DynamicCreds *creds, | |
2481 | ExecRuntime **ret) { | |
71136404 | 2482 | _cleanup_close_pair_ int ephemeral_storage_socket[2] = EBADF_PAIR; |
9c0c6701 | 2483 | _cleanup_free_ char *ephemeral = NULL; |
28135da3 | 2484 | _cleanup_(exec_runtime_freep) ExecRuntime *rt = NULL; |
9c0c6701 | 2485 | int r; |
28135da3 | 2486 | |
9c0c6701 DDM |
2487 | assert(unit); |
2488 | assert(context); | |
28135da3 DDM |
2489 | assert(ret); |
2490 | ||
9c0c6701 | 2491 | if (!shared && !creds && !exec_needs_ephemeral(context)) { |
28135da3 DDM |
2492 | *ret = NULL; |
2493 | return 0; | |
2494 | } | |
2495 | ||
9c0c6701 DDM |
2496 | if (exec_needs_ephemeral(context)) { |
2497 | r = mkdir_p("/var/lib/systemd/ephemeral-trees", 0755); | |
2498 | if (r < 0) | |
2499 | return r; | |
2500 | ||
2501 | r = tempfn_random_child("/var/lib/systemd/ephemeral-trees", unit->id, &ephemeral); | |
2502 | if (r < 0) | |
2503 | return r; | |
2504 | ||
2505 | if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, ephemeral_storage_socket) < 0) | |
2506 | return -errno; | |
2507 | } | |
2508 | ||
28135da3 DDM |
2509 | rt = new(ExecRuntime, 1); |
2510 | if (!rt) | |
2511 | return -ENOMEM; | |
2512 | ||
2513 | *rt = (ExecRuntime) { | |
2514 | .shared = shared, | |
15220772 | 2515 | .dynamic_creds = creds, |
9c0c6701 DDM |
2516 | .ephemeral_copy = TAKE_PTR(ephemeral), |
2517 | .ephemeral_storage_socket[0] = TAKE_FD(ephemeral_storage_socket[0]), | |
2518 | .ephemeral_storage_socket[1] = TAKE_FD(ephemeral_storage_socket[1]), | |
28135da3 DDM |
2519 | }; |
2520 | ||
2521 | *ret = TAKE_PTR(rt); | |
2522 | return 1; | |
2523 | } | |
2524 | ||
2525 | ExecRuntime* exec_runtime_free(ExecRuntime *rt) { | |
2526 | if (!rt) | |
2527 | return NULL; | |
2528 | ||
2529 | exec_shared_runtime_unref(rt->shared); | |
15220772 | 2530 | dynamic_creds_unref(rt->dynamic_creds); |
9c0c6701 | 2531 | |
437f3e35 | 2532 | rt->ephemeral_copy = destroy_tree(rt->ephemeral_copy); |
9c0c6701 | 2533 | |
9c0c6701 | 2534 | safe_close_pair(rt->ephemeral_storage_socket); |
28135da3 DDM |
2535 | return mfree(rt); |
2536 | } | |
2537 | ||
2538 | ExecRuntime* exec_runtime_destroy(ExecRuntime *rt) { | |
2539 | if (!rt) | |
2540 | return NULL; | |
2541 | ||
2542 | rt->shared = exec_shared_runtime_destroy(rt->shared); | |
15220772 | 2543 | rt->dynamic_creds = dynamic_creds_destroy(rt->dynamic_creds); |
28135da3 DDM |
2544 | return exec_runtime_free(rt); |
2545 | } | |
2546 | ||
bb5232b6 LB |
2547 | void exec_runtime_clear(ExecRuntime *rt) { |
2548 | if (!rt) | |
2549 | return; | |
2550 | ||
2551 | safe_close_pair(rt->ephemeral_storage_socket); | |
2552 | rt->ephemeral_copy = mfree(rt->ephemeral_copy); | |
2553 | } | |
2554 | ||
fba173ff | 2555 | void exec_params_shallow_clear(ExecParameters *p) { |
b9c04eaf YW |
2556 | if (!p) |
2557 | return; | |
2558 | ||
fba173ff LB |
2559 | /* This is called on the PID1 side, as many of the struct's FDs are only borrowed, and actually |
2560 | * owned by the manager or other objects, and reused across multiple units. */ | |
2561 | ||
c3f8a065 LP |
2562 | p->environment = strv_free(p->environment); |
2563 | p->fd_names = strv_free(p->fd_names); | |
154eb43f | 2564 | p->files_env = strv_free(p->files_env); |
c3f8a065 LP |
2565 | p->fds = mfree(p->fds); |
2566 | p->exec_fd = safe_close(p->exec_fd); | |
b646fc32 | 2567 | p->user_lookup_fd = -EBADF; |
352ec23c | 2568 | p->bpf_restrict_fs_map_fd = -EBADF; |
b646fc32 LB |
2569 | p->unit_id = mfree(p->unit_id); |
2570 | p->invocation_id = SD_ID128_NULL; | |
2571 | p->invocation_id_string[0] = '\0'; | |
bb5232b6 LB |
2572 | p->confirm_spawn = mfree(p->confirm_spawn); |
2573 | } | |
2574 | ||
fba173ff | 2575 | void exec_params_deep_clear(ExecParameters *p) { |
bb5232b6 LB |
2576 | if (!p) |
2577 | return; | |
2578 | ||
fba173ff LB |
2579 | /* This is called on the sd-executor side, where everything received is owned by the process and has |
2580 | * to be fully cleaned up to make sanitizers and analyzers happy, as opposed as the shallow clean | |
2581 | * function above. */ | |
2582 | ||
d3eb74f8 | 2583 | close_many_unset(p->fds, p->n_socket_fds + p->n_storage_fds); |
bb5232b6 LB |
2584 | |
2585 | p->cgroup_path = mfree(p->cgroup_path); | |
2586 | ||
d31330c1 | 2587 | if (p->prefix) { |
fc932ed4 | 2588 | free_many_charp(p->prefix, _EXEC_DIRECTORY_TYPE_MAX); |
d31330c1 FS |
2589 | p->prefix = mfree(p->prefix); |
2590 | } | |
2591 | ||
bb5232b6 LB |
2592 | p->received_credentials_directory = mfree(p->received_credentials_directory); |
2593 | p->received_encrypted_credentials_directory = mfree(p->received_encrypted_credentials_directory); | |
2594 | ||
26f937e5 LP |
2595 | if (p->idle_pipe) { |
2596 | close_many_and_free(p->idle_pipe, 4); | |
2597 | p->idle_pipe = NULL; | |
2598 | } | |
bb5232b6 LB |
2599 | |
2600 | p->stdin_fd = safe_close(p->stdin_fd); | |
2601 | p->stdout_fd = safe_close(p->stdout_fd); | |
2602 | p->stderr_fd = safe_close(p->stderr_fd); | |
2603 | ||
2604 | p->notify_socket = mfree(p->notify_socket); | |
2605 | ||
2606 | open_file_free_many(&p->open_files); | |
2607 | ||
2608 | p->fallback_smack_process_label = mfree(p->fallback_smack_process_label); | |
2609 | ||
fba173ff | 2610 | exec_params_shallow_clear(p); |
b9c04eaf YW |
2611 | } |
2612 | ||
211a3d87 LB |
2613 | void exec_directory_done(ExecDirectory *d) { |
2614 | if (!d) | |
2615 | return; | |
2616 | ||
f7df8adb MY |
2617 | FOREACH_ARRAY(i, d->items, d->n_items) { |
2618 | free(i->path); | |
2619 | strv_free(i->symlinks); | |
211a3d87 LB |
2620 | } |
2621 | ||
2622 | d->items = mfree(d->items); | |
2623 | d->n_items = 0; | |
2624 | d->mode = 0755; | |
2625 | } | |
2626 | ||
564e5c98 YW |
2627 | static ExecDirectoryItem *exec_directory_find(ExecDirectory *d, const char *path) { |
2628 | assert(d); | |
2629 | assert(path); | |
2630 | ||
f7df8adb MY |
2631 | FOREACH_ARRAY(i, d->items, d->n_items) |
2632 | if (path_equal(i->path, path)) | |
2633 | return i; | |
564e5c98 YW |
2634 | |
2635 | return NULL; | |
2636 | } | |
2637 | ||
2638 | int exec_directory_add(ExecDirectory *d, const char *path, const char *symlink) { | |
211a3d87 LB |
2639 | _cleanup_strv_free_ char **s = NULL; |
2640 | _cleanup_free_ char *p = NULL; | |
564e5c98 YW |
2641 | ExecDirectoryItem *existing; |
2642 | int r; | |
211a3d87 LB |
2643 | |
2644 | assert(d); | |
211a3d87 LB |
2645 | assert(path); |
2646 | ||
564e5c98 YW |
2647 | existing = exec_directory_find(d, path); |
2648 | if (existing) { | |
2649 | r = strv_extend(&existing->symlinks, symlink); | |
2650 | if (r < 0) | |
2651 | return r; | |
2652 | ||
2653 | return 0; /* existing item is updated */ | |
2654 | } | |
2655 | ||
211a3d87 LB |
2656 | p = strdup(path); |
2657 | if (!p) | |
2658 | return -ENOMEM; | |
2659 | ||
564e5c98 YW |
2660 | if (symlink) { |
2661 | s = strv_new(symlink); | |
211a3d87 LB |
2662 | if (!s) |
2663 | return -ENOMEM; | |
2664 | } | |
2665 | ||
564e5c98 | 2666 | if (!GREEDY_REALLOC(d->items, d->n_items + 1)) |
211a3d87 LB |
2667 | return -ENOMEM; |
2668 | ||
564e5c98 | 2669 | d->items[d->n_items++] = (ExecDirectoryItem) { |
211a3d87 LB |
2670 | .path = TAKE_PTR(p), |
2671 | .symlinks = TAKE_PTR(s), | |
2672 | }; | |
2673 | ||
564e5c98 | 2674 | return 1; /* new item is added */ |
211a3d87 LB |
2675 | } |
2676 | ||
a2ab603c YW |
2677 | static int exec_directory_item_compare_func(const ExecDirectoryItem *a, const ExecDirectoryItem *b) { |
2678 | assert(a); | |
2679 | assert(b); | |
2680 | ||
2681 | return path_compare(a->path, b->path); | |
2682 | } | |
2683 | ||
2684 | void exec_directory_sort(ExecDirectory *d) { | |
2685 | assert(d); | |
2686 | ||
2687 | /* Sort the exec directories to make always parent directories processed at first in | |
2688 | * setup_exec_directory(), e.g., even if StateDirectory=foo/bar foo, we need to create foo at first, | |
2689 | * then foo/bar. Also, set .only_create flag if one of the parent directories is contained in the | |
2690 | * list. See also comments in setup_exec_directory() and issue #24783. */ | |
2691 | ||
2692 | if (d->n_items <= 1) | |
2693 | return; | |
2694 | ||
2695 | typesafe_qsort(d->items, d->n_items, exec_directory_item_compare_func); | |
2696 | ||
2697 | for (size_t i = 1; i < d->n_items; i++) | |
2698 | for (size_t j = 0; j < i; j++) | |
2699 | if (path_startswith(d->items[i].path, d->items[j].path)) { | |
2700 | d->items[i].only_create = true; | |
2701 | break; | |
2702 | } | |
211a3d87 LB |
2703 | } |
2704 | ||
4fb8f1e8 LP |
2705 | ExecCleanMask exec_clean_mask_from_string(const char *s) { |
2706 | ExecDirectoryType t; | |
2707 | ||
2708 | assert(s); | |
2709 | ||
2710 | if (streq(s, "all")) | |
2711 | return EXEC_CLEAN_ALL; | |
2712 | if (streq(s, "fdstore")) | |
2713 | return EXEC_CLEAN_FDSTORE; | |
2714 | ||
2715 | t = exec_resource_type_from_string(s); | |
2716 | if (t < 0) | |
2717 | return (ExecCleanMask) t; | |
2718 | ||
2719 | return 1U << t; | |
2720 | } | |
2721 | ||
80876c20 | 2722 | static const char* const exec_input_table[_EXEC_INPUT_MAX] = { |
17f6b640 YW |
2723 | [EXEC_INPUT_NULL] = "null", |
2724 | [EXEC_INPUT_TTY] = "tty", | |
80876c20 | 2725 | [EXEC_INPUT_TTY_FORCE] = "tty-force", |
17f6b640 YW |
2726 | [EXEC_INPUT_TTY_FAIL] = "tty-fail", |
2727 | [EXEC_INPUT_SOCKET] = "socket", | |
2728 | [EXEC_INPUT_NAMED_FD] = "fd", | |
2729 | [EXEC_INPUT_DATA] = "data", | |
2730 | [EXEC_INPUT_FILE] = "file", | |
80876c20 LP |
2731 | }; |
2732 | ||
8a0867d6 LP |
2733 | DEFINE_STRING_TABLE_LOOKUP(exec_input, ExecInput); |
2734 | ||
94f04347 | 2735 | static const char* const exec_output_table[_EXEC_OUTPUT_MAX] = { |
17f6b640 YW |
2736 | [EXEC_OUTPUT_INHERIT] = "inherit", |
2737 | [EXEC_OUTPUT_NULL] = "null", | |
2738 | [EXEC_OUTPUT_TTY] = "tty", | |
2739 | [EXEC_OUTPUT_KMSG] = "kmsg", | |
2740 | [EXEC_OUTPUT_KMSG_AND_CONSOLE] = "kmsg+console", | |
2741 | [EXEC_OUTPUT_JOURNAL] = "journal", | |
706343f4 | 2742 | [EXEC_OUTPUT_JOURNAL_AND_CONSOLE] = "journal+console", |
17f6b640 YW |
2743 | [EXEC_OUTPUT_SOCKET] = "socket", |
2744 | [EXEC_OUTPUT_NAMED_FD] = "fd", | |
2745 | [EXEC_OUTPUT_FILE] = "file", | |
2746 | [EXEC_OUTPUT_FILE_APPEND] = "append", | |
2747 | [EXEC_OUTPUT_FILE_TRUNCATE] = "truncate", | |
94f04347 LP |
2748 | }; |
2749 | ||
2750 | DEFINE_STRING_TABLE_LOOKUP(exec_output, ExecOutput); | |
023a4f67 LP |
2751 | |
2752 | static const char* const exec_utmp_mode_table[_EXEC_UTMP_MODE_MAX] = { | |
17f6b640 | 2753 | [EXEC_UTMP_INIT] = "init", |
023a4f67 | 2754 | [EXEC_UTMP_LOGIN] = "login", |
17f6b640 | 2755 | [EXEC_UTMP_USER] = "user", |
023a4f67 LP |
2756 | }; |
2757 | ||
2758 | DEFINE_STRING_TABLE_LOOKUP(exec_utmp_mode, ExecUtmpMode); | |
53f47dfc YW |
2759 | |
2760 | static const char* const exec_preserve_mode_table[_EXEC_PRESERVE_MODE_MAX] = { | |
17f6b640 YW |
2761 | [EXEC_PRESERVE_NO] = "no", |
2762 | [EXEC_PRESERVE_YES] = "yes", | |
53f47dfc YW |
2763 | [EXEC_PRESERVE_RESTART] = "restart", |
2764 | }; | |
2765 | ||
2766 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(exec_preserve_mode, ExecPreserveMode, EXEC_PRESERVE_YES); | |
3536f49e | 2767 | |
6b7b2ed9 | 2768 | /* This table maps ExecDirectoryType to the setting it is configured with in the unit */ |
72fd1768 | 2769 | static const char* const exec_directory_type_table[_EXEC_DIRECTORY_TYPE_MAX] = { |
17f6b640 YW |
2770 | [EXEC_DIRECTORY_RUNTIME] = "RuntimeDirectory", |
2771 | [EXEC_DIRECTORY_STATE] = "StateDirectory", | |
2772 | [EXEC_DIRECTORY_CACHE] = "CacheDirectory", | |
2773 | [EXEC_DIRECTORY_LOGS] = "LogsDirectory", | |
3536f49e YW |
2774 | [EXEC_DIRECTORY_CONFIGURATION] = "ConfigurationDirectory", |
2775 | }; | |
2776 | ||
2777 | DEFINE_STRING_TABLE_LOOKUP(exec_directory_type, ExecDirectoryType); | |
b1edf445 | 2778 | |
211a3d87 LB |
2779 | /* This table maps ExecDirectoryType to the symlink setting it is configured with in the unit */ |
2780 | static const char* const exec_directory_type_symlink_table[_EXEC_DIRECTORY_TYPE_MAX] = { | |
2781 | [EXEC_DIRECTORY_RUNTIME] = "RuntimeDirectorySymlink", | |
2782 | [EXEC_DIRECTORY_STATE] = "StateDirectorySymlink", | |
2783 | [EXEC_DIRECTORY_CACHE] = "CacheDirectorySymlink", | |
2784 | [EXEC_DIRECTORY_LOGS] = "LogsDirectorySymlink", | |
2785 | [EXEC_DIRECTORY_CONFIGURATION] = "ConfigurationDirectorySymlink", | |
2786 | }; | |
2787 | ||
2788 | DEFINE_STRING_TABLE_LOOKUP(exec_directory_type_symlink, ExecDirectoryType); | |
2789 | ||
ef44aa83 DDM |
2790 | static const char* const exec_directory_type_mode_table[_EXEC_DIRECTORY_TYPE_MAX] = { |
2791 | [EXEC_DIRECTORY_RUNTIME] = "RuntimeDirectoryMode", | |
2792 | [EXEC_DIRECTORY_STATE] = "StateDirectoryMode", | |
2793 | [EXEC_DIRECTORY_CACHE] = "CacheDirectoryMode", | |
2794 | [EXEC_DIRECTORY_LOGS] = "LogsDirectoryMode", | |
2795 | [EXEC_DIRECTORY_CONFIGURATION] = "ConfigurationDirectoryMode", | |
2796 | }; | |
2797 | ||
2798 | DEFINE_STRING_TABLE_LOOKUP(exec_directory_type_mode, ExecDirectoryType); | |
2799 | ||
6b7b2ed9 LP |
2800 | /* And this table maps ExecDirectoryType too, but to a generic term identifying the type of resource. This |
2801 | * one is supposed to be generic enough to be used for unit types that don't use ExecContext and per-unit | |
2802 | * directories, specifically .timer units with their timestamp touch file. */ | |
2803 | static const char* const exec_resource_type_table[_EXEC_DIRECTORY_TYPE_MAX] = { | |
17f6b640 YW |
2804 | [EXEC_DIRECTORY_RUNTIME] = "runtime", |
2805 | [EXEC_DIRECTORY_STATE] = "state", | |
2806 | [EXEC_DIRECTORY_CACHE] = "cache", | |
2807 | [EXEC_DIRECTORY_LOGS] = "logs", | |
6b7b2ed9 LP |
2808 | [EXEC_DIRECTORY_CONFIGURATION] = "configuration", |
2809 | }; | |
2810 | ||
2811 | DEFINE_STRING_TABLE_LOOKUP(exec_resource_type, ExecDirectoryType); | |
2812 | ||
b1edf445 LP |
2813 | static const char* const exec_keyring_mode_table[_EXEC_KEYRING_MODE_MAX] = { |
2814 | [EXEC_KEYRING_INHERIT] = "inherit", | |
2815 | [EXEC_KEYRING_PRIVATE] = "private", | |
17f6b640 | 2816 | [EXEC_KEYRING_SHARED] = "shared", |
b1edf445 LP |
2817 | }; |
2818 | ||
2819 | DEFINE_STRING_TABLE_LOOKUP(exec_keyring_mode, ExecKeyringMode); |