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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
c2756a68 | 2 | |
6c12b52e | 3 | #include <getopt.h> |
3f6fd1ba | 4 | #include <stdio.h> |
ca78ad1d ZJS |
5 | #include <fcntl.h> |
6 | #include <sys/stat.h> | |
7 | #include <sys/types.h> | |
c2756a68 LP |
8 | |
9 | #include "sd-bus.h" | |
9b15b784 | 10 | #include "sd-event.h" |
3f6fd1ba | 11 | |
b5efdb8a | 12 | #include "alloc-util.h" |
d6b4d1c7 | 13 | #include "build.h" |
3f6fd1ba | 14 | #include "bus-error.h" |
9b71e4ab | 15 | #include "bus-locator.h" |
807542be | 16 | #include "bus-map-properties.h" |
20b16441 | 17 | #include "bus-unit-util.h" |
e45c81b8 | 18 | #include "bus-wait-for-jobs.h" |
3f6fd1ba | 19 | #include "calendarspec.h" |
2f0b4d57 | 20 | #include "color-util.h" |
4de33e7f | 21 | #include "env-util.h" |
2c29813d | 22 | #include "escape.h" |
7f3614e5 | 23 | #include "exit-status.h" |
3ffd4af2 | 24 | #include "fd-util.h" |
f97b34a6 | 25 | #include "format-util.h" |
ef08ad7a | 26 | #include "main-func.h" |
614b022c | 27 | #include "parse-argument.h" |
cf0fbc49 | 28 | #include "parse-util.h" |
4bcc8c3c | 29 | #include "path-util.h" |
294bf0c3 | 30 | #include "pretty-print.h" |
2a453c2e | 31 | #include "process-util.h" |
9b15b784 | 32 | #include "ptyfwd.h" |
24882e06 | 33 | #include "signal-util.h" |
8c7db2fb | 34 | #include "spawn-polkit-agent.h" |
3f6fd1ba | 35 | #include "strv.h" |
66cb2fde | 36 | #include "terminal-util.h" |
89ada3ba | 37 | #include "unit-def.h" |
3f6fd1ba | 38 | #include "unit-name.h" |
b1d4f8e1 | 39 | #include "user-util.h" |
c2756a68 | 40 | |
8c7db2fb | 41 | static bool arg_ask_password = true; |
6c12b52e | 42 | static bool arg_scope = false; |
6577c7ce | 43 | static bool arg_remain_after_exit = false; |
3d161f99 | 44 | static bool arg_no_block = false; |
2a453c2e | 45 | static bool arg_wait = false; |
6c12b52e | 46 | static const char *arg_unit = NULL; |
9ce3440a | 47 | static char *arg_description = NULL; |
c221420b | 48 | static const char *arg_slice = NULL; |
2c7039b3 | 49 | static bool arg_slice_inherit = false; |
8167c56b | 50 | static int arg_expand_environment = -1; |
a6c0353b | 51 | static bool arg_send_sighup = false; |
d21ed1ea | 52 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; |
1ac67edb | 53 | static const char *arg_host = NULL; |
4870133b | 54 | static RuntimeScope arg_runtime_scope = RUNTIME_SCOPE_SYSTEM; |
c7040b5d LP |
55 | static const char *arg_service_type = NULL; |
56 | static const char *arg_exec_user = NULL; | |
57 | static const char *arg_exec_group = NULL; | |
58 | static int arg_nice = 0; | |
59 | static bool arg_nice_set = false; | |
60 | static char **arg_environment = NULL; | |
df31a6c0 | 61 | static char **arg_property = NULL; |
5dca7739 LP |
62 | static enum { |
63 | ARG_STDIO_NONE, /* The default, as it is for normal services, stdin connected to /dev/null, and stdout+stderr to the journal */ | |
64 | ARG_STDIO_PTY, /* Interactive behaviour, requested by --pty: we allocate a pty and connect it to the TTY we are invoked from */ | |
65 | ARG_STDIO_DIRECT, /* Directly pass our stdin/stdout/stderr to the activated service, useful for usage in shell pipelines, requested by --pipe */ | |
66 | ARG_STDIO_AUTO, /* If --pipe and --pty are used together we use --pty when invoked on a TTY, and --pipe otherwise */ | |
67 | } arg_stdio = ARG_STDIO_NONE; | |
d59ef3e2 YW |
68 | static char **arg_path_property = NULL; |
69 | static char **arg_socket_property = NULL; | |
4c213d6c | 70 | static char **arg_timer_property = NULL; |
787be190 | 71 | static bool arg_with_timer = false; |
095dc596 | 72 | static bool arg_quiet = false; |
fe9d0be9 | 73 | static bool arg_aggressive_gc = false; |
2d21165a | 74 | static char *arg_working_directory = NULL; |
badd28e1 LP |
75 | static bool arg_shell = false; |
76 | static char **arg_cmdline = NULL; | |
72eb3081 | 77 | static char *arg_exec_path = NULL; |
1072d947 | 78 | static bool arg_ignore_failure = false; |
2f0b4d57 | 79 | static char *arg_background = NULL; |
c2756a68 | 80 | |
9ce3440a | 81 | STATIC_DESTRUCTOR_REGISTER(arg_description, freep); |
0565120f LP |
82 | STATIC_DESTRUCTOR_REGISTER(arg_environment, strv_freep); |
83 | STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep); | |
84 | STATIC_DESTRUCTOR_REGISTER(arg_path_property, strv_freep); | |
85 | STATIC_DESTRUCTOR_REGISTER(arg_socket_property, strv_freep); | |
86 | STATIC_DESTRUCTOR_REGISTER(arg_timer_property, strv_freep); | |
87 | STATIC_DESTRUCTOR_REGISTER(arg_working_directory, freep); | |
88 | STATIC_DESTRUCTOR_REGISTER(arg_cmdline, strv_freep); | |
72eb3081 | 89 | STATIC_DESTRUCTOR_REGISTER(arg_exec_path, freep); |
2f0b4d57 | 90 | STATIC_DESTRUCTOR_REGISTER(arg_background, freep); |
0565120f | 91 | |
37ec0fdd LP |
92 | static int help(void) { |
93 | _cleanup_free_ char *link = NULL; | |
94 | int r; | |
95 | ||
96 | r = terminal_urlify_man("systemd-run", "1", &link); | |
97 | if (r < 0) | |
98 | return log_oom(); | |
99 | ||
e132be46 LP |
100 | printf("%1$s [OPTIONS...] COMMAND [ARGUMENTS...]\n" |
101 | "\n%5$sRun the specified command in a transient scope or service.%6$s\n\n" | |
4c213d6c WC |
102 | " -h --help Show this help\n" |
103 | " --version Show package version\n" | |
8c7db2fb | 104 | " --no-ask-password Do not prompt for password\n" |
4c213d6c WC |
105 | " --user Run as user unit\n" |
106 | " -H --host=[USER@]HOST Operate on remote host\n" | |
107 | " -M --machine=CONTAINER Operate on local container\n" | |
108 | " --scope Run this as scope rather than service\n" | |
7976b9f0 | 109 | " -u --unit=UNIT Run under the specified unit name\n" |
ad2c1701 | 110 | " -p --property=NAME=VALUE Set service or scope unit property\n" |
4c213d6c WC |
111 | " --description=TEXT Description for unit\n" |
112 | " --slice=SLICE Run in the specified slice\n" | |
2c7039b3 | 113 | " --slice-inherit Inherit the slice\n" |
2ed7a221 | 114 | " --expand-environment=BOOL Control expansion of environment variables\n" |
3d161f99 | 115 | " --no-block Do not wait until operation finished\n" |
4c213d6c | 116 | " -r --remain-after-exit Leave service around until explicitly stopped\n" |
2a453c2e | 117 | " --wait Wait until service stopped again\n" |
4c213d6c WC |
118 | " --send-sighup Send SIGHUP when terminating\n" |
119 | " --service-type=TYPE Service type\n" | |
120 | " --uid=USER Run as system user\n" | |
121 | " --gid=GROUP Run as system group\n" | |
122 | " --nice=NICE Nice level\n" | |
2d21165a LP |
123 | " --working-directory=PATH Set working directory\n" |
124 | " -d --same-dir Inherit working directory from caller\n" | |
0337b3d5 | 125 | " -E --setenv=NAME[=VALUE] Set environment variable\n" |
5dca7739 LP |
126 | " -t --pty Run service on pseudo TTY as STDIN/STDOUT/\n" |
127 | " STDERR\n" | |
128 | " -P --pipe Pass STDIN/STDOUT/STDERR directly to service\n" | |
fe9d0be9 | 129 | " -q --quiet Suppress information messages during runtime\n" |
badd28e1 | 130 | " -G --collect Unload unit after it ran, even when failed\n" |
e132be46 | 131 | " -S --shell Invoke a $SHELL interactively\n" |
1072d947 | 132 | " --ignore-failure Ignore the exit status of the invoked process\n" |
2f0b4d57 | 133 | " --background=COLOR Set ANSI color for background\n" |
e132be46 LP |
134 | "\n%3$sPath options:%4$s\n" |
135 | " --path-property=NAME=VALUE Set path unit property\n" | |
136 | "\n%3$sSocket options:%4$s\n" | |
137 | " --socket-property=NAME=VALUE Set socket unit property\n" | |
138 | "\n%3$sTimer options:%4$s\n" | |
b57b0625 ZJS |
139 | " --on-active=SECONDS Run after SECONDS delay\n" |
140 | " --on-boot=SECONDS Run SECONDS after machine was booted up\n" | |
141 | " --on-startup=SECONDS Run SECONDS after systemd activation\n" | |
142 | " --on-unit-active=SECONDS Run SECONDS after the last activation\n" | |
143 | " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n" | |
4c213d6c | 144 | " --on-calendar=SPEC Realtime timer\n" |
efebb613 LP |
145 | " --on-timezone-change Run when the timezone changes\n" |
146 | " --on-clock-change Run when the realtime clock jumps\n" | |
ad2c1701 | 147 | " --timer-property=NAME=VALUE Set timer unit property\n" |
e132be46 | 148 | "\nSee the %2$s for details.\n", |
bc556335 | 149 | program_invocation_short_name, |
e132be46 LP |
150 | link, |
151 | ansi_underline(), ansi_normal(), | |
152 | ansi_highlight(), ansi_normal()); | |
37ec0fdd LP |
153 | |
154 | return 0; | |
6c12b52e LP |
155 | } |
156 | ||
72eb3081 LP |
157 | static int help_sudo_mode(void) { |
158 | _cleanup_free_ char *link = NULL; | |
159 | int r; | |
160 | ||
161 | r = terminal_urlify_man("uid0", "1", &link); | |
162 | if (r < 0) | |
163 | return log_oom(); | |
164 | ||
165 | printf("%s [OPTIONS...] COMMAND [ARGUMENTS...]\n" | |
166 | "\n%sElevate privileges interactively.%s\n\n" | |
167 | " -h --help Show this help\n" | |
168 | " -V --version Show package version\n" | |
169 | " --no-ask-password Do not prompt for password\n" | |
170 | " --machine=CONTAINER Operate on local container\n" | |
171 | " --unit=UNIT Run under the specified unit name\n" | |
172 | " --property=NAME=VALUE Set service or scope unit property\n" | |
173 | " --description=TEXT Description for unit\n" | |
174 | " --slice=SLICE Run in the specified slice\n" | |
175 | " --slice-inherit Inherit the slice\n" | |
176 | " -u --user=USER Run as system user\n" | |
177 | " -g --group=GROUP Run as system group\n" | |
178 | " --nice=NICE Nice level\n" | |
179 | " -D --chdir=PATH Set working directory\n" | |
180 | " --setenv=NAME[=VALUE] Set environment variable\n" | |
2f0b4d57 | 181 | " --background=COLOR Set ANSI color for background\n" |
72eb3081 LP |
182 | "\nSee the %s for details.\n", |
183 | program_invocation_short_name, | |
184 | ansi_highlight(), | |
185 | ansi_normal(), | |
186 | link); | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
f2b9f2c8 | 191 | static int add_timer_property(const char *name, const char *val) { |
18939728 | 192 | char *p; |
f2b9f2c8 YW |
193 | |
194 | assert(name); | |
195 | assert(val); | |
196 | ||
197 | p = strjoin(name, "=", val); | |
198 | if (!p) | |
199 | return log_oom(); | |
200 | ||
201 | if (strv_consume(&arg_timer_property, p) < 0) | |
202 | return log_oom(); | |
203 | ||
f2b9f2c8 | 204 | return 0; |
4c213d6c WC |
205 | } |
206 | ||
72eb3081 LP |
207 | static char **make_login_shell_cmdline(const char *shell) { |
208 | _cleanup_free_ char *argv0 = NULL; | |
209 | ||
210 | assert(shell); | |
211 | ||
212 | argv0 = strjoin("-", shell); /* The - is how shells determine if they shall be consider login shells */ | |
213 | if (!argv0) | |
214 | return NULL; | |
215 | ||
216 | return strv_new(argv0); | |
217 | } | |
218 | ||
6c12b52e LP |
219 | static int parse_argv(int argc, char *argv[]) { |
220 | ||
221 | enum { | |
222 | ARG_VERSION = 0x100, | |
223 | ARG_USER, | |
66b1e746 | 224 | ARG_SYSTEM, |
6c12b52e | 225 | ARG_SCOPE, |
c221420b | 226 | ARG_DESCRIPTION, |
a6c0353b | 227 | ARG_SLICE, |
2c7039b3 | 228 | ARG_SLICE_INHERIT, |
f872ddd1 | 229 | ARG_EXPAND_ENVIRONMENT, |
a6c0353b | 230 | ARG_SEND_SIGHUP, |
5cfde70c | 231 | ARG_SERVICE_TYPE, |
c7040b5d LP |
232 | ARG_EXEC_USER, |
233 | ARG_EXEC_GROUP, | |
c7040b5d | 234 | ARG_NICE, |
4c213d6c WC |
235 | ARG_ON_ACTIVE, |
236 | ARG_ON_BOOT, | |
237 | ARG_ON_STARTUP, | |
238 | ARG_ON_UNIT_ACTIVE, | |
239 | ARG_ON_UNIT_INACTIVE, | |
240 | ARG_ON_CALENDAR, | |
efebb613 LP |
241 | ARG_ON_TIMEZONE_CHANGE, |
242 | ARG_ON_CLOCK_CHANGE, | |
3d161f99 | 243 | ARG_TIMER_PROPERTY, |
d59ef3e2 YW |
244 | ARG_PATH_PROPERTY, |
245 | ARG_SOCKET_PROPERTY, | |
3d161f99 | 246 | ARG_NO_BLOCK, |
5cfde70c | 247 | ARG_NO_ASK_PASSWORD, |
2a453c2e | 248 | ARG_WAIT, |
2d21165a | 249 | ARG_WORKING_DIRECTORY, |
badd28e1 | 250 | ARG_SHELL, |
1072d947 | 251 | ARG_IGNORE_FAILURE, |
2f0b4d57 | 252 | ARG_BACKGROUND, |
6c12b52e LP |
253 | }; |
254 | ||
255 | static const struct option options[] = { | |
f872ddd1 ZJS |
256 | { "help", no_argument, NULL, 'h' }, |
257 | { "version", no_argument, NULL, ARG_VERSION }, | |
258 | { "user", no_argument, NULL, ARG_USER }, | |
259 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
260 | { "scope", no_argument, NULL, ARG_SCOPE }, | |
261 | { "unit", required_argument, NULL, 'u' }, | |
262 | { "description", required_argument, NULL, ARG_DESCRIPTION }, | |
263 | { "slice", required_argument, NULL, ARG_SLICE }, | |
264 | { "slice-inherit", no_argument, NULL, ARG_SLICE_INHERIT }, | |
265 | { "remain-after-exit", no_argument, NULL, 'r' }, | |
266 | { "expand-environment", required_argument, NULL, ARG_EXPAND_ENVIRONMENT }, | |
267 | { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP }, | |
268 | { "host", required_argument, NULL, 'H' }, | |
269 | { "machine", required_argument, NULL, 'M' }, | |
270 | { "service-type", required_argument, NULL, ARG_SERVICE_TYPE }, | |
271 | { "wait", no_argument, NULL, ARG_WAIT }, | |
272 | { "uid", required_argument, NULL, ARG_EXEC_USER }, | |
273 | { "gid", required_argument, NULL, ARG_EXEC_GROUP }, | |
274 | { "nice", required_argument, NULL, ARG_NICE }, | |
275 | { "setenv", required_argument, NULL, 'E' }, | |
276 | { "property", required_argument, NULL, 'p' }, | |
277 | { "tty", no_argument, NULL, 't' }, /* deprecated alias */ | |
278 | { "pty", no_argument, NULL, 't' }, | |
279 | { "pipe", no_argument, NULL, 'P' }, | |
280 | { "quiet", no_argument, NULL, 'q' }, | |
281 | { "on-active", required_argument, NULL, ARG_ON_ACTIVE }, | |
282 | { "on-boot", required_argument, NULL, ARG_ON_BOOT }, | |
283 | { "on-startup", required_argument, NULL, ARG_ON_STARTUP }, | |
284 | { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE }, | |
285 | { "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE }, | |
286 | { "on-calendar", required_argument, NULL, ARG_ON_CALENDAR }, | |
287 | { "on-timezone-change", no_argument, NULL, ARG_ON_TIMEZONE_CHANGE }, | |
288 | { "on-clock-change", no_argument, NULL, ARG_ON_CLOCK_CHANGE }, | |
289 | { "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY }, | |
290 | { "path-property", required_argument, NULL, ARG_PATH_PROPERTY }, | |
291 | { "socket-property", required_argument, NULL, ARG_SOCKET_PROPERTY }, | |
292 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
293 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
294 | { "collect", no_argument, NULL, 'G' }, | |
295 | { "working-directory", required_argument, NULL, ARG_WORKING_DIRECTORY }, | |
296 | { "same-dir", no_argument, NULL, 'd' }, | |
297 | { "shell", no_argument, NULL, 'S' }, | |
1072d947 | 298 | { "ignore-failure", no_argument, NULL, ARG_IGNORE_FAILURE }, |
2f0b4d57 | 299 | { "background", no_argument, NULL, ARG_BACKGROUND }, |
eb9da376 | 300 | {}, |
6c12b52e LP |
301 | }; |
302 | ||
d59ef3e2 | 303 | bool with_trigger = false; |
c7040b5d | 304 | int r, c; |
6c12b52e LP |
305 | |
306 | assert(argc >= 0); | |
307 | assert(argv); | |
308 | ||
ef9c12b1 YW |
309 | /* Resetting to 0 forces the invocation of an internal initialization routine of getopt_long() |
310 | * that checks for GNU extensions in optstring ('-' or '+' at the beginning). */ | |
311 | optind = 0; | |
7976b9f0 | 312 | while ((c = getopt_long(argc, argv, "+hrH:M:E:p:tPqGdSu:", options, NULL)) >= 0) |
6c12b52e LP |
313 | |
314 | switch (c) { | |
315 | ||
316 | case 'h': | |
37ec0fdd | 317 | return help(); |
6c12b52e | 318 | |
ad2c1701 LP |
319 | case ARG_VERSION: |
320 | return version(); | |
321 | ||
8c7db2fb EV |
322 | case ARG_NO_ASK_PASSWORD: |
323 | arg_ask_password = false; | |
324 | break; | |
325 | ||
6c12b52e | 326 | case ARG_USER: |
4870133b | 327 | arg_runtime_scope = RUNTIME_SCOPE_USER; |
6c12b52e LP |
328 | break; |
329 | ||
66b1e746 | 330 | case ARG_SYSTEM: |
4870133b | 331 | arg_runtime_scope = RUNTIME_SCOPE_SYSTEM; |
66b1e746 LP |
332 | break; |
333 | ||
6c12b52e LP |
334 | case ARG_SCOPE: |
335 | arg_scope = true; | |
336 | break; | |
337 | ||
7976b9f0 | 338 | case 'u': |
6c12b52e LP |
339 | arg_unit = optarg; |
340 | break; | |
341 | ||
9f2e86af | 342 | case ARG_DESCRIPTION: |
2f0b4d57 | 343 | r = free_and_strdup_warn(&arg_description, optarg); |
9ce3440a ZJS |
344 | if (r < 0) |
345 | return r; | |
9f2e86af LP |
346 | break; |
347 | ||
c221420b LP |
348 | case ARG_SLICE: |
349 | arg_slice = optarg; | |
350 | break; | |
351 | ||
2c7039b3 MAL |
352 | case ARG_SLICE_INHERIT: |
353 | arg_slice_inherit = true; | |
354 | break; | |
355 | ||
8167c56b LB |
356 | case ARG_EXPAND_ENVIRONMENT: { |
357 | bool b; | |
358 | ||
359 | r = parse_boolean_argument("--expand-environment=", optarg, &b); | |
f872ddd1 ZJS |
360 | if (r < 0) |
361 | return r; | |
8167c56b LB |
362 | |
363 | arg_expand_environment = b; | |
364 | ||
f872ddd1 | 365 | break; |
8167c56b | 366 | } |
f872ddd1 | 367 | |
a6c0353b LP |
368 | case ARG_SEND_SIGHUP: |
369 | arg_send_sighup = true; | |
370 | break; | |
371 | ||
6577c7ce LP |
372 | case 'r': |
373 | arg_remain_after_exit = true; | |
374 | break; | |
375 | ||
d21ed1ea LP |
376 | case 'H': |
377 | arg_transport = BUS_TRANSPORT_REMOTE; | |
378 | arg_host = optarg; | |
379 | break; | |
380 | ||
381 | case 'M': | |
de33fc62 | 382 | arg_transport = BUS_TRANSPORT_MACHINE; |
d21ed1ea LP |
383 | arg_host = optarg; |
384 | break; | |
385 | ||
c7040b5d LP |
386 | case ARG_SERVICE_TYPE: |
387 | arg_service_type = optarg; | |
388 | break; | |
389 | ||
390 | case ARG_EXEC_USER: | |
391 | arg_exec_user = optarg; | |
392 | break; | |
393 | ||
394 | case ARG_EXEC_GROUP: | |
395 | arg_exec_group = optarg; | |
396 | break; | |
397 | ||
398 | case ARG_NICE: | |
41bf0590 LP |
399 | r = parse_nice(optarg, &arg_nice); |
400 | if (r < 0) | |
401 | return log_error_errno(r, "Failed to parse nice value: %s", optarg); | |
c7040b5d LP |
402 | |
403 | arg_nice_set = true; | |
404 | break; | |
405 | ||
b5911366 | 406 | case 'E': |
0337b3d5 ZJS |
407 | r = strv_env_replace_strdup_passthrough(&arg_environment, optarg); |
408 | if (r < 0) | |
409 | return log_error_errno(r, "Cannot assign environment variable %s: %m", optarg); | |
c7040b5d LP |
410 | |
411 | break; | |
412 | ||
df31a6c0 | 413 | case 'p': |
df31a6c0 LP |
414 | if (strv_extend(&arg_property, optarg) < 0) |
415 | return log_oom(); | |
416 | ||
417 | break; | |
418 | ||
5dca7739 LP |
419 | case 't': /* --pty */ |
420 | if (IN_SET(arg_stdio, ARG_STDIO_DIRECT, ARG_STDIO_AUTO)) /* if --pipe is already used, upgrade to auto mode */ | |
421 | arg_stdio = ARG_STDIO_AUTO; | |
422 | else | |
423 | arg_stdio = ARG_STDIO_PTY; | |
424 | break; | |
425 | ||
426 | case 'P': /* --pipe */ | |
427 | if (IN_SET(arg_stdio, ARG_STDIO_PTY, ARG_STDIO_AUTO)) /* If --pty is already used, upgrade to auto mode */ | |
428 | arg_stdio = ARG_STDIO_AUTO; | |
429 | else | |
430 | arg_stdio = ARG_STDIO_DIRECT; | |
9b15b784 LP |
431 | break; |
432 | ||
095dc596 LP |
433 | case 'q': |
434 | arg_quiet = true; | |
435 | break; | |
436 | ||
4c213d6c | 437 | case ARG_ON_ACTIVE: |
f2b9f2c8 YW |
438 | r = add_timer_property("OnActiveSec", optarg); |
439 | if (r < 0) | |
4c213d6c | 440 | return r; |
4c213d6c | 441 | |
787be190 | 442 | arg_with_timer = true; |
4c213d6c WC |
443 | break; |
444 | ||
445 | case ARG_ON_BOOT: | |
f2b9f2c8 YW |
446 | r = add_timer_property("OnBootSec", optarg); |
447 | if (r < 0) | |
4c213d6c | 448 | return r; |
4c213d6c | 449 | |
787be190 | 450 | arg_with_timer = true; |
4c213d6c WC |
451 | break; |
452 | ||
453 | case ARG_ON_STARTUP: | |
f2b9f2c8 YW |
454 | r = add_timer_property("OnStartupSec", optarg); |
455 | if (r < 0) | |
4c213d6c | 456 | return r; |
4c213d6c | 457 | |
787be190 | 458 | arg_with_timer = true; |
4c213d6c WC |
459 | break; |
460 | ||
461 | case ARG_ON_UNIT_ACTIVE: | |
f2b9f2c8 YW |
462 | r = add_timer_property("OnUnitActiveSec", optarg); |
463 | if (r < 0) | |
4c213d6c | 464 | return r; |
4c213d6c | 465 | |
787be190 | 466 | arg_with_timer = true; |
4c213d6c WC |
467 | break; |
468 | ||
469 | case ARG_ON_UNIT_INACTIVE: | |
f2b9f2c8 YW |
470 | r = add_timer_property("OnUnitInactiveSec", optarg); |
471 | if (r < 0) | |
4c213d6c | 472 | return r; |
4c213d6c | 473 | |
787be190 | 474 | arg_with_timer = true; |
4c213d6c WC |
475 | break; |
476 | ||
10434dbd FS |
477 | case ARG_ON_CALENDAR: { |
478 | _cleanup_(calendar_spec_freep) CalendarSpec *cs = NULL; | |
10434dbd | 479 | |
10434dbd FS |
480 | r = calendar_spec_from_string(optarg, &cs); |
481 | if (r < 0) | |
04220fda LP |
482 | return log_error_errno(r, "Failed to parse calendar event specification: %m"); |
483 | ||
7842c5f2 | 484 | /* Let's make sure the given calendar event is not in the past */ |
04220fda LP |
485 | r = calendar_spec_next_usec(cs, now(CLOCK_REALTIME), NULL); |
486 | if (r == -ENOENT) | |
e608bf6f ZJS |
487 | /* The calendar event is in the past — let's warn about this, but install it |
488 | * anyway as is. The service manager will trigger the service right away. | |
489 | * Moreover, the server side might have a different clock or timezone than we | |
490 | * do, hence it should decide when or whether to run something. */ | |
04220fda LP |
491 | log_warning("Specified calendar expression is in the past, proceeding anyway."); |
492 | else if (r < 0) | |
493 | return log_error_errno(r, "Failed to calculate next time calendar expression elapses: %m"); | |
10434dbd | 494 | |
f2b9f2c8 YW |
495 | r = add_timer_property("OnCalendar", optarg); |
496 | if (r < 0) | |
efebb613 LP |
497 | return r; |
498 | ||
499 | arg_with_timer = true; | |
500 | break; | |
10434dbd | 501 | } |
efebb613 LP |
502 | |
503 | case ARG_ON_TIMEZONE_CHANGE: | |
504 | r = add_timer_property("OnTimezoneChange", "yes"); | |
505 | if (r < 0) | |
506 | return r; | |
507 | ||
508 | arg_with_timer = true; | |
509 | break; | |
510 | ||
511 | case ARG_ON_CLOCK_CHANGE: | |
512 | r = add_timer_property("OnClockChange", "yes"); | |
513 | if (r < 0) | |
4c213d6c | 514 | return r; |
024a8ec1 | 515 | |
787be190 | 516 | arg_with_timer = true; |
4c213d6c WC |
517 | break; |
518 | ||
519 | case ARG_TIMER_PROPERTY: | |
520 | ||
521 | if (strv_extend(&arg_timer_property, optarg) < 0) | |
522 | return log_oom(); | |
523 | ||
787be190 | 524 | arg_with_timer = arg_with_timer || |
49fe5c09 LP |
525 | STARTSWITH_SET(optarg, |
526 | "OnActiveSec=", | |
527 | "OnBootSec=", | |
528 | "OnStartupSec=", | |
529 | "OnUnitActiveSec=", | |
530 | "OnUnitInactiveSec=", | |
531 | "OnCalendar="); | |
4c213d6c WC |
532 | break; |
533 | ||
d59ef3e2 YW |
534 | case ARG_PATH_PROPERTY: |
535 | ||
536 | if (strv_extend(&arg_path_property, optarg) < 0) | |
537 | return log_oom(); | |
538 | ||
539 | break; | |
540 | ||
541 | case ARG_SOCKET_PROPERTY: | |
542 | ||
543 | if (strv_extend(&arg_socket_property, optarg) < 0) | |
544 | return log_oom(); | |
545 | ||
546 | break; | |
547 | ||
3d161f99 LP |
548 | case ARG_NO_BLOCK: |
549 | arg_no_block = true; | |
550 | break; | |
551 | ||
2a453c2e LP |
552 | case ARG_WAIT: |
553 | arg_wait = true; | |
554 | break; | |
555 | ||
2d21165a | 556 | case ARG_WORKING_DIRECTORY: |
614b022c | 557 | r = parse_path_argument(optarg, true, &arg_working_directory); |
2d21165a LP |
558 | if (r < 0) |
559 | return r; | |
560 | ||
561 | break; | |
562 | ||
563 | case 'd': { | |
564 | _cleanup_free_ char *p = NULL; | |
565 | ||
566 | r = safe_getcwd(&p); | |
567 | if (r < 0) | |
568 | return log_error_errno(r, "Failed to get current working directory: %m"); | |
569 | ||
570 | if (empty_or_root(p)) | |
571 | arg_working_directory = mfree(arg_working_directory); | |
572 | else | |
573 | free_and_replace(arg_working_directory, p); | |
574 | break; | |
575 | } | |
576 | ||
fe9d0be9 LP |
577 | case 'G': |
578 | arg_aggressive_gc = true; | |
579 | break; | |
580 | ||
badd28e1 LP |
581 | case 'S': |
582 | arg_shell = true; | |
583 | break; | |
584 | ||
1072d947 LP |
585 | case ARG_IGNORE_FAILURE: |
586 | arg_ignore_failure = true; | |
587 | break; | |
588 | ||
2f0b4d57 LP |
589 | case ARG_BACKGROUND: |
590 | r = free_and_strdup_warn(&arg_background, optarg); | |
591 | if (r < 0) | |
592 | return r; | |
593 | break; | |
594 | ||
6c12b52e LP |
595 | case '?': |
596 | return -EINVAL; | |
597 | ||
598 | default: | |
04499a70 | 599 | assert_not_reached(); |
6c12b52e | 600 | } |
6c12b52e | 601 | |
966f3a24 | 602 | /* If we are talking to the per-user instance PolicyKit isn't going to help */ |
4870133b | 603 | if (arg_runtime_scope == RUNTIME_SCOPE_USER) |
966f3a24 LP |
604 | arg_ask_password = false; |
605 | ||
787be190 | 606 | with_trigger = !!arg_path_property || !!arg_socket_property || arg_with_timer; |
d59ef3e2 YW |
607 | |
608 | /* currently, only single trigger (path, socket, timer) unit can be created simultaneously */ | |
787be190 | 609 | if ((int) !!arg_path_property + (int) !!arg_socket_property + (int) arg_with_timer > 1) |
baaa35ad ZJS |
610 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
611 | "Only single trigger (path, socket, timer) unit can be created."); | |
5dca7739 | 612 | |
badd28e1 LP |
613 | if (arg_shell) { |
614 | /* If --shell is imply --pty --pipe --same-dir --service-type=exec --wait --collect, unless otherwise | |
615 | * specified. */ | |
616 | ||
617 | if (!arg_scope) { | |
618 | if (arg_stdio == ARG_STDIO_NONE) | |
619 | arg_stdio = ARG_STDIO_AUTO; | |
620 | ||
621 | if (!arg_working_directory) { | |
622 | r = safe_getcwd(&arg_working_directory); | |
623 | if (r < 0) | |
624 | return log_error_errno(r, "Failed to get current working directory: %m"); | |
625 | } | |
626 | ||
4b5baf75 LP |
627 | if (!arg_service_type) |
628 | arg_service_type = "exec"; | |
badd28e1 LP |
629 | |
630 | arg_wait = true; | |
631 | } | |
632 | ||
633 | arg_aggressive_gc = true; | |
634 | } | |
635 | ||
d46b79bb | 636 | if (arg_stdio == ARG_STDIO_AUTO) |
5dca7739 LP |
637 | /* If we both --pty and --pipe are specified we'll automatically pick --pty if we are connected fully |
638 | * to a TTY and pick direct fd passing otherwise. This way, we automatically adapt to usage in a shell | |
639 | * pipeline, but we are neatly interactive with tty-level isolation otherwise. */ | |
640 | arg_stdio = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) ? | |
641 | ARG_STDIO_PTY : | |
642 | ARG_STDIO_DIRECT; | |
5dca7739 | 643 | |
badd28e1 LP |
644 | if (argc > optind) { |
645 | char **l; | |
646 | ||
647 | if (arg_shell) | |
648 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "If --shell is used, no command line is expected."); | |
649 | ||
650 | l = strv_copy(argv + optind); | |
651 | if (!l) | |
652 | return log_oom(); | |
653 | ||
654 | strv_free_and_replace(arg_cmdline, l); | |
655 | ||
656 | } else if (arg_shell) { | |
657 | _cleanup_free_ char *s = NULL; | |
658 | char **l; | |
659 | ||
660 | r = get_shell(&s); | |
661 | if (r < 0) | |
662 | return log_error_errno(r, "Failed to determine shell: %m"); | |
663 | ||
664 | l = strv_new(s); | |
665 | if (!l) | |
666 | return log_oom(); | |
667 | ||
668 | strv_free_and_replace(arg_cmdline, l); | |
669 | ||
670 | } else if (!arg_unit || !with_trigger) | |
671 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Command line to execute required."); | |
6c12b52e | 672 | |
4870133b | 673 | if (arg_runtime_scope == RUNTIME_SCOPE_USER && arg_transport == BUS_TRANSPORT_REMOTE) |
baaa35ad | 674 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
cbdc2949 | 675 | "Execution in user context is not supported on remote systems."); |
d21ed1ea | 676 | |
cbdc2949 | 677 | if (arg_scope && arg_transport == BUS_TRANSPORT_REMOTE) |
baaa35ad | 678 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
cbdc2949 | 679 | "Scope execution is not supported on remote systems."); |
d21ed1ea | 680 | |
baaa35ad ZJS |
681 | if (arg_scope && (arg_remain_after_exit || arg_service_type)) |
682 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
683 | "--remain-after-exit and --service-type= are not supported in --scope mode."); | |
c7040b5d | 684 | |
baaa35ad ZJS |
685 | if (arg_stdio != ARG_STDIO_NONE && (with_trigger || arg_scope)) |
686 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
687 | "--pty/--pipe is not compatible in timer or --scope mode."); | |
9b15b784 | 688 | |
baaa35ad ZJS |
689 | if (arg_stdio != ARG_STDIO_NONE && arg_transport == BUS_TRANSPORT_REMOTE) |
690 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
691 | "--pty/--pipe is only supported when connecting to the local system or containers."); | |
024a8ec1 | 692 | |
baaa35ad ZJS |
693 | if (arg_stdio != ARG_STDIO_NONE && arg_no_block) |
694 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
695 | "--pty/--pipe is not compatible with --no-block."); | |
578c03bc | 696 | |
baaa35ad ZJS |
697 | if (arg_scope && with_trigger) |
698 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
699 | "Path, socket or timer options are not supported in --scope mode."); | |
4c213d6c | 700 | |
787be190 | 701 | if (arg_timer_property && !arg_with_timer) |
baaa35ad ZJS |
702 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
703 | "--timer-property= has no effect without any other timer options."); | |
4c213d6c | 704 | |
2a453c2e | 705 | if (arg_wait) { |
baaa35ad ZJS |
706 | if (arg_no_block) |
707 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
708 | "--wait may not be combined with --no-block."); | |
2a453c2e | 709 | |
baaa35ad ZJS |
710 | if (with_trigger) |
711 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
712 | "--wait may not be combined with path, socket or timer operations."); | |
2a453c2e | 713 | |
baaa35ad ZJS |
714 | if (arg_scope) |
715 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
716 | "--wait may not be combined with --scope."); | |
2a453c2e LP |
717 | } |
718 | ||
6c12b52e LP |
719 | return 1; |
720 | } | |
721 | ||
72eb3081 LP |
722 | static int parse_argv_sudo_mode(int argc, char *argv[]) { |
723 | ||
724 | enum { | |
725 | ARG_NO_ASK_PASSWORD = 0x100, | |
726 | ARG_HOST, | |
727 | ARG_MACHINE, | |
728 | ARG_UNIT, | |
729 | ARG_PROPERTY, | |
730 | ARG_DESCRIPTION, | |
731 | ARG_SLICE, | |
732 | ARG_SLICE_INHERIT, | |
733 | ARG_NICE, | |
734 | ARG_SETENV, | |
2f0b4d57 | 735 | ARG_BACKGROUND, |
72eb3081 LP |
736 | }; |
737 | ||
738 | /* If invoked as "uid0" binary, let's expose a more sudo-like interface. We add various extensions | |
739 | * though (but limit the extension to long options). */ | |
740 | ||
741 | static const struct option options[] = { | |
742 | { "help", no_argument, NULL, 'h' }, | |
743 | { "version", no_argument, NULL, 'V' }, | |
744 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
745 | { "machine", required_argument, NULL, ARG_MACHINE }, | |
746 | { "unit", required_argument, NULL, ARG_UNIT }, | |
747 | { "property", required_argument, NULL, ARG_PROPERTY }, | |
748 | { "description", required_argument, NULL, ARG_DESCRIPTION }, | |
749 | { "slice", required_argument, NULL, ARG_SLICE }, | |
750 | { "slice-inherit", no_argument, NULL, ARG_SLICE_INHERIT }, | |
751 | { "user", required_argument, NULL, 'u' }, | |
752 | { "group", required_argument, NULL, 'g' }, | |
753 | { "nice", required_argument, NULL, ARG_NICE }, | |
754 | { "chdir", required_argument, NULL, 'D' }, | |
755 | { "setenv", required_argument, NULL, ARG_SETENV }, | |
2f0b4d57 | 756 | { "background", required_argument, NULL, ARG_BACKGROUND }, |
72eb3081 LP |
757 | {}, |
758 | }; | |
759 | ||
760 | int r, c; | |
761 | ||
762 | assert(argc >= 0); | |
763 | assert(argv); | |
764 | ||
765 | /* Resetting to 0 forces the invocation of an internal initialization routine of getopt_long() | |
766 | * that checks for GNU extensions in optstring ('-' or '+' at the beginning). */ | |
767 | optind = 0; | |
768 | while ((c = getopt_long(argc, argv, "+hVu:g:D:", options, NULL)) >= 0) | |
769 | ||
770 | switch (c) { | |
771 | ||
772 | case 'h': | |
773 | return help_sudo_mode(); | |
774 | ||
775 | case 'V': | |
776 | return version(); | |
777 | ||
778 | case ARG_NO_ASK_PASSWORD: | |
779 | arg_ask_password = false; | |
780 | break; | |
781 | ||
782 | case ARG_MACHINE: | |
783 | arg_transport = BUS_TRANSPORT_MACHINE; | |
784 | arg_host = optarg; | |
785 | break; | |
786 | ||
787 | case ARG_UNIT: | |
788 | arg_unit = optarg; | |
789 | break; | |
790 | ||
791 | case ARG_PROPERTY: | |
792 | if (strv_extend(&arg_property, optarg) < 0) | |
793 | return log_oom(); | |
794 | ||
795 | break; | |
796 | ||
797 | case ARG_DESCRIPTION: | |
798 | r = free_and_strdup_warn(&arg_description, optarg); | |
799 | if (r < 0) | |
800 | return r; | |
801 | break; | |
802 | ||
803 | case ARG_SLICE: | |
804 | arg_slice = optarg; | |
805 | break; | |
806 | ||
807 | case ARG_SLICE_INHERIT: | |
808 | arg_slice_inherit = true; | |
809 | break; | |
810 | ||
811 | case 'u': | |
812 | arg_exec_user = optarg; | |
813 | break; | |
814 | ||
815 | case 'g': | |
816 | arg_exec_group = optarg; | |
817 | break; | |
818 | ||
819 | case ARG_NICE: | |
820 | r = parse_nice(optarg, &arg_nice); | |
821 | if (r < 0) | |
822 | return log_error_errno(r, "Failed to parse nice value: %s", optarg); | |
823 | ||
824 | arg_nice_set = true; | |
825 | break; | |
826 | ||
827 | case 'D': | |
828 | r = parse_path_argument(optarg, true, &arg_working_directory); | |
829 | if (r < 0) | |
830 | return r; | |
831 | ||
832 | break; | |
833 | ||
834 | case ARG_SETENV: | |
835 | r = strv_env_replace_strdup_passthrough(&arg_environment, optarg); | |
836 | if (r < 0) | |
837 | return log_error_errno(r, "Cannot assign environment variable %s: %m", optarg); | |
838 | ||
839 | break; | |
840 | ||
2f0b4d57 LP |
841 | case ARG_BACKGROUND: |
842 | r = free_and_strdup_warn(&arg_background, optarg); | |
843 | if (r < 0) | |
844 | return r; | |
845 | ||
846 | break; | |
847 | ||
72eb3081 LP |
848 | case '?': |
849 | return -EINVAL; | |
850 | ||
851 | default: | |
852 | assert_not_reached(); | |
853 | } | |
854 | ||
855 | if (!arg_working_directory) { | |
856 | if (arg_exec_user) { | |
857 | /* When switching to a specific user, also switch to its home directory. */ | |
858 | arg_working_directory = strdup("~"); | |
859 | if (!arg_working_directory) | |
860 | return log_oom(); | |
861 | } else { | |
862 | /* When switching to root without this being specified, then stay in the current directory */ | |
863 | r = safe_getcwd(&arg_working_directory); | |
864 | if (r < 0) | |
865 | return log_error_errno(r, "Failed to get current working directory: %m"); | |
866 | } | |
867 | } | |
868 | ||
869 | arg_service_type = "exec"; | |
870 | arg_quiet = true; | |
871 | arg_wait = true; | |
872 | arg_aggressive_gc = true; | |
873 | ||
874 | arg_stdio = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) ? ARG_STDIO_PTY : ARG_STDIO_DIRECT; | |
875 | arg_expand_environment = false; | |
876 | arg_send_sighup = true; | |
877 | ||
878 | _cleanup_strv_free_ char **l = NULL; | |
879 | if (argc > optind) | |
880 | l = strv_copy(argv + optind); | |
881 | else { | |
882 | const char *e; | |
883 | ||
884 | e = strv_env_get(arg_environment, "SHELL"); | |
885 | if (e) | |
886 | arg_exec_path = strdup(e); | |
887 | else { | |
888 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
889 | r = get_shell(&arg_exec_path); | |
890 | if (r < 0) | |
891 | return log_error_errno(r, "Failed to determine shell: %m"); | |
892 | } else | |
893 | arg_exec_path = strdup("/bin/sh"); | |
894 | } | |
895 | if (!arg_exec_path) | |
896 | return log_oom(); | |
897 | ||
898 | l = make_login_shell_cmdline(arg_exec_path); | |
899 | } | |
900 | if (!l) | |
901 | return log_oom(); | |
902 | ||
903 | strv_free_and_replace(arg_cmdline, l); | |
904 | ||
905 | if (!arg_slice) { | |
906 | arg_slice = strdup("user.slice"); | |
907 | if (!arg_slice) | |
908 | return log_oom(); | |
909 | } | |
910 | ||
911 | _cleanup_free_ char *un = NULL; | |
912 | un = getusername_malloc(); | |
913 | if (!un) | |
914 | return log_oom(); | |
915 | ||
916 | /* Set a bunch of environment variables in a roughly sudo-compatible way */ | |
917 | r = strv_env_assign(&arg_environment, "SUDO_USER", un); | |
918 | if (r < 0) | |
919 | return log_error_errno(r, "Failed to set $SUDO_USER environment variable: %m"); | |
920 | ||
921 | r = strv_env_assignf(&arg_environment, "SUDO_UID", UID_FMT, getuid()); | |
922 | if (r < 0) | |
923 | return log_error_errno(r, "Failed to set $SUDO_UID environment variable: %m"); | |
924 | ||
925 | r = strv_env_assignf(&arg_environment, "SUDO_GID", GID_FMT, getgid()); | |
926 | if (r < 0) | |
927 | return log_error_errno(r, "Failed to set $SUDO_GID environment variable: %m"); | |
928 | ||
929 | if (strv_extendf(&arg_property, "LogExtraFields=ELEVATED_UID=" UID_FMT, getuid()) < 0) | |
930 | return log_oom(); | |
931 | ||
932 | if (strv_extendf(&arg_property, "LogExtraFields=ELEVATED_GID=" GID_FMT, getgid()) < 0) | |
933 | return log_oom(); | |
934 | ||
935 | if (strv_extendf(&arg_property, "LogExtraFields=ELEVATED_USER=%s", un) < 0) | |
936 | return log_oom(); | |
937 | ||
938 | if (strv_extend(&arg_property, "PAMName=systemd-uid0") < 0) | |
939 | return log_oom(); | |
940 | ||
2f0b4d57 LP |
941 | if (!arg_background && arg_stdio == ARG_STDIO_PTY) { |
942 | double red, green, blue; | |
943 | ||
944 | r = get_default_background_color(&red, &green, &blue); | |
945 | if (r < 0) | |
946 | log_debug_errno(r, "Unable to get terminal background color, not tinting background: %m"); | |
947 | else { | |
948 | double h, s, v; | |
949 | ||
950 | rgb_to_hsv(red, green, blue, &h, &s, &v); | |
951 | ||
952 | if (!arg_exec_user || STR_IN_SET(arg_exec_user, "root", "0")) | |
953 | h = 0; /* red */ | |
954 | else | |
955 | h = 60 /* yellow */; | |
956 | ||
957 | if (v > 50) /* If the background is bright, then pull down saturation */ | |
958 | s = 25; | |
959 | else /* otherwise pump it up */ | |
960 | s = 75; | |
961 | ||
962 | v = MAX(30, v); /* Make sure we don't hide the color in black */ | |
963 | ||
964 | uint8_t r8, g8, b8; | |
965 | hsv_to_rgb(h, s, v, &r8, &g8, &b8); | |
966 | ||
967 | if (asprintf(&arg_background, "48;2;%u;%u;%u", r8, g8, b8) < 0) | |
968 | return log_oom(); | |
969 | } | |
970 | } | |
971 | ||
72eb3081 LP |
972 | return 1; |
973 | } | |
974 | ||
89ada3ba | 975 | static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) { |
c2756a68 LP |
976 | int r; |
977 | ||
49a510eb LP |
978 | assert(m); |
979 | ||
9b15b784 LP |
980 | r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description); |
981 | if (r < 0) | |
f53bddf3 | 982 | return bus_log_create_error(r); |
9b15b784 | 983 | |
fe9d0be9 LP |
984 | if (arg_aggressive_gc) { |
985 | r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed"); | |
986 | if (r < 0) | |
f53bddf3 | 987 | return bus_log_create_error(r); |
fe9d0be9 LP |
988 | } |
989 | ||
49a510eb LP |
990 | r = sd_bus_is_bus_client(sd_bus_message_get_bus(m)); |
991 | if (r < 0) | |
992 | return log_error_errno(r, "Can't determine if bus connection is direct or to broker: %m"); | |
993 | if (r > 0) { | |
994 | /* Pin the object as least as long as we are around. Note that AddRef (currently) only works | |
995 | * if we talk via the bus though. */ | |
996 | r = sd_bus_message_append(m, "(sv)", "AddRef", "b", 1); | |
997 | if (r < 0) | |
998 | return bus_log_create_error(r); | |
999 | } | |
1000 | ||
b1358f03 | 1001 | return bus_append_unit_property_assignment_many(m, t, properties); |
9b15b784 LP |
1002 | } |
1003 | ||
1004 | static int transient_cgroup_set_properties(sd_bus_message *m) { | |
2c7039b3 MAL |
1005 | _cleanup_free_ char *name = NULL; |
1006 | _cleanup_free_ char *slice = NULL; | |
9b15b784 LP |
1007 | int r; |
1008 | assert(m); | |
c2756a68 | 1009 | |
2c7039b3 MAL |
1010 | if (arg_slice_inherit) { |
1011 | char *end; | |
c221420b | 1012 | |
4870133b LP |
1013 | switch (arg_runtime_scope) { |
1014 | ||
1015 | case RUNTIME_SCOPE_USER: | |
2c7039b3 | 1016 | r = cg_pid_get_user_slice(0, &name); |
4870133b LP |
1017 | break; |
1018 | ||
1019 | case RUNTIME_SCOPE_SYSTEM: | |
2c7039b3 | 1020 | r = cg_pid_get_slice(0, &name); |
4870133b LP |
1021 | break; |
1022 | ||
1023 | default: | |
1024 | assert_not_reached(); | |
1025 | } | |
1026 | ||
7410616c | 1027 | if (r < 0) |
2c7039b3 | 1028 | return log_error_errno(r, "Failed to get PID slice: %m"); |
c221420b | 1029 | |
2c7039b3 MAL |
1030 | end = endswith(name, ".slice"); |
1031 | if (!end) | |
1032 | return -ENXIO; | |
1033 | *end = 0; | |
c221420b LP |
1034 | } |
1035 | ||
eda397c9 YW |
1036 | if (!isempty(arg_slice) && !strextend_with_separator(&name, "-", arg_slice)) |
1037 | return log_oom(); | |
2c7039b3 MAL |
1038 | |
1039 | if (!name) | |
1040 | return 0; | |
1041 | ||
1042 | r = unit_name_mangle_with_suffix(name, "as slice", | |
1043 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1044 | ".slice", &slice); | |
1045 | if (r < 0) | |
1046 | return log_error_errno(r, "Failed to mangle name '%s': %m", arg_slice); | |
1047 | ||
1048 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); | |
1049 | if (r < 0) | |
1050 | return bus_log_create_error(r); | |
1051 | ||
9b15b784 LP |
1052 | return 0; |
1053 | } | |
1054 | ||
1055 | static int transient_kill_set_properties(sd_bus_message *m) { | |
f53bddf3 LP |
1056 | int r; |
1057 | ||
9b15b784 LP |
1058 | assert(m); |
1059 | ||
f53bddf3 LP |
1060 | if (arg_send_sighup) { |
1061 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup); | |
1062 | if (r < 0) | |
1063 | return bus_log_create_error(r); | |
1064 | } | |
1065 | ||
1066 | return 0; | |
6c12b52e LP |
1067 | } |
1068 | ||
badd28e1 | 1069 | static int transient_service_set_properties(sd_bus_message *m, const char *pty_path) { |
5dca7739 | 1070 | bool send_term = false; |
6c12b52e LP |
1071 | int r; |
1072 | ||
f872ddd1 ZJS |
1073 | /* We disable environment expansion on the server side via ExecStartEx=:. |
1074 | * ExecStartEx was added relatively recently (v243), and some bugs were fixed only later. | |
1075 | * So use that feature only if required. It will fail with older systemds. */ | |
8167c56b | 1076 | bool use_ex_prop = arg_expand_environment == 0; |
f872ddd1 | 1077 | |
8159d91a LP |
1078 | assert(m); |
1079 | ||
89ada3ba | 1080 | r = transient_unit_set_properties(m, UNIT_SERVICE, arg_property); |
9b15b784 LP |
1081 | if (r < 0) |
1082 | return r; | |
1083 | ||
1084 | r = transient_kill_set_properties(m); | |
1085 | if (r < 0) | |
1086 | return r; | |
1087 | ||
1088 | r = transient_cgroup_set_properties(m); | |
86b8d289 LP |
1089 | if (r < 0) |
1090 | return r; | |
1091 | ||
df31a6c0 LP |
1092 | if (arg_remain_after_exit) { |
1093 | r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit); | |
1094 | if (r < 0) | |
f53bddf3 | 1095 | return bus_log_create_error(r); |
df31a6c0 | 1096 | } |
6577c7ce | 1097 | |
c7040b5d LP |
1098 | if (arg_service_type) { |
1099 | r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type); | |
1100 | if (r < 0) | |
f53bddf3 | 1101 | return bus_log_create_error(r); |
c7040b5d LP |
1102 | } |
1103 | ||
1104 | if (arg_exec_user) { | |
1105 | r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user); | |
1106 | if (r < 0) | |
f53bddf3 | 1107 | return bus_log_create_error(r); |
c7040b5d LP |
1108 | } |
1109 | ||
1110 | if (arg_exec_group) { | |
1111 | r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group); | |
1112 | if (r < 0) | |
f53bddf3 | 1113 | return bus_log_create_error(r); |
c7040b5d LP |
1114 | } |
1115 | ||
1116 | if (arg_nice_set) { | |
1117 | r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice); | |
1118 | if (r < 0) | |
f53bddf3 | 1119 | return bus_log_create_error(r); |
c7040b5d LP |
1120 | } |
1121 | ||
2d21165a LP |
1122 | if (arg_working_directory) { |
1123 | r = sd_bus_message_append(m, "(sv)", "WorkingDirectory", "s", arg_working_directory); | |
1124 | if (r < 0) | |
1125 | return bus_log_create_error(r); | |
1126 | } | |
1127 | ||
9b15b784 | 1128 | if (pty_path) { |
9b15b784 LP |
1129 | r = sd_bus_message_append(m, |
1130 | "(sv)(sv)(sv)(sv)", | |
1131 | "StandardInput", "s", "tty", | |
1132 | "StandardOutput", "s", "tty", | |
1133 | "StandardError", "s", "tty", | |
1134 | "TTYPath", "s", pty_path); | |
1135 | if (r < 0) | |
f53bddf3 | 1136 | return bus_log_create_error(r); |
9b15b784 | 1137 | |
5dca7739 LP |
1138 | send_term = true; |
1139 | ||
1140 | } else if (arg_stdio == ARG_STDIO_DIRECT) { | |
1141 | r = sd_bus_message_append(m, | |
1142 | "(sv)(sv)(sv)", | |
1143 | "StandardInputFileDescriptor", "h", STDIN_FILENO, | |
1144 | "StandardOutputFileDescriptor", "h", STDOUT_FILENO, | |
1145 | "StandardErrorFileDescriptor", "h", STDERR_FILENO); | |
1146 | if (r < 0) | |
f53bddf3 | 1147 | return bus_log_create_error(r); |
5dca7739 LP |
1148 | |
1149 | send_term = isatty(STDIN_FILENO) || isatty(STDOUT_FILENO) || isatty(STDERR_FILENO); | |
1150 | } | |
1151 | ||
1152 | if (send_term) { | |
1153 | const char *e; | |
1154 | ||
9b15b784 LP |
1155 | e = getenv("TERM"); |
1156 | if (e) { | |
1d3b68f6 AZ |
1157 | _cleanup_free_ char *n = NULL; |
1158 | ||
1159 | n = strjoin("TERM=", e); | |
1160 | if (!n) | |
1161 | return log_oom(); | |
9b15b784 | 1162 | |
9b15b784 LP |
1163 | r = sd_bus_message_append(m, |
1164 | "(sv)", | |
1165 | "Environment", "as", 1, n); | |
1166 | if (r < 0) | |
f53bddf3 | 1167 | return bus_log_create_error(r); |
9b15b784 LP |
1168 | } |
1169 | } | |
1170 | ||
c7040b5d LP |
1171 | if (!strv_isempty(arg_environment)) { |
1172 | r = sd_bus_message_open_container(m, 'r', "sv"); | |
1173 | if (r < 0) | |
f53bddf3 | 1174 | return bus_log_create_error(r); |
c7040b5d LP |
1175 | |
1176 | r = sd_bus_message_append(m, "s", "Environment"); | |
1177 | if (r < 0) | |
f53bddf3 | 1178 | return bus_log_create_error(r); |
c7040b5d LP |
1179 | |
1180 | r = sd_bus_message_open_container(m, 'v', "as"); | |
1181 | if (r < 0) | |
f53bddf3 | 1182 | return bus_log_create_error(r); |
c7040b5d LP |
1183 | |
1184 | r = sd_bus_message_append_strv(m, arg_environment); | |
1185 | if (r < 0) | |
f53bddf3 | 1186 | return bus_log_create_error(r); |
c7040b5d LP |
1187 | |
1188 | r = sd_bus_message_close_container(m); | |
1189 | if (r < 0) | |
f53bddf3 | 1190 | return bus_log_create_error(r); |
c7040b5d LP |
1191 | |
1192 | r = sd_bus_message_close_container(m); | |
1193 | if (r < 0) | |
f53bddf3 | 1194 | return bus_log_create_error(r); |
4c213d6c WC |
1195 | } |
1196 | ||
1197 | /* Exec container */ | |
badd28e1 | 1198 | if (!strv_isempty(arg_cmdline)) { |
4c213d6c WC |
1199 | r = sd_bus_message_open_container(m, 'r', "sv"); |
1200 | if (r < 0) | |
f53bddf3 | 1201 | return bus_log_create_error(r); |
4c213d6c | 1202 | |
f872ddd1 ZJS |
1203 | r = sd_bus_message_append(m, "s", |
1204 | use_ex_prop ? "ExecStartEx" : "ExecStart"); | |
4c213d6c | 1205 | if (r < 0) |
f53bddf3 | 1206 | return bus_log_create_error(r); |
4c213d6c | 1207 | |
f872ddd1 ZJS |
1208 | r = sd_bus_message_open_container(m, 'v', |
1209 | use_ex_prop ? "a(sasas)" : "a(sasb)"); | |
4c213d6c | 1210 | if (r < 0) |
f53bddf3 | 1211 | return bus_log_create_error(r); |
4c213d6c | 1212 | |
f872ddd1 ZJS |
1213 | r = sd_bus_message_open_container(m, 'a', |
1214 | use_ex_prop ? "(sasas)" : "(sasb)"); | |
4c213d6c | 1215 | if (r < 0) |
f53bddf3 | 1216 | return bus_log_create_error(r); |
4c213d6c | 1217 | |
f872ddd1 ZJS |
1218 | r = sd_bus_message_open_container(m, 'r', |
1219 | use_ex_prop ? "sasas" : "sasb"); | |
4c213d6c | 1220 | if (r < 0) |
f53bddf3 | 1221 | return bus_log_create_error(r); |
4c213d6c | 1222 | |
72eb3081 | 1223 | r = sd_bus_message_append(m, "s", arg_exec_path ?: arg_cmdline[0]); |
4c213d6c | 1224 | if (r < 0) |
f53bddf3 | 1225 | return bus_log_create_error(r); |
4c213d6c | 1226 | |
badd28e1 | 1227 | r = sd_bus_message_append_strv(m, arg_cmdline); |
4c213d6c | 1228 | if (r < 0) |
f53bddf3 | 1229 | return bus_log_create_error(r); |
4c213d6c | 1230 | |
f872ddd1 ZJS |
1231 | if (use_ex_prop) |
1232 | r = sd_bus_message_append_strv( | |
1233 | m, | |
1072d947 LP |
1234 | STRV_MAKE(arg_expand_environment > 0 ? NULL : "no-env-expand", |
1235 | arg_ignore_failure ? "ignore-failure" : NULL)); | |
f872ddd1 | 1236 | else |
1072d947 | 1237 | r = sd_bus_message_append(m, "b", arg_ignore_failure); |
4c213d6c | 1238 | if (r < 0) |
f53bddf3 | 1239 | return bus_log_create_error(r); |
4c213d6c WC |
1240 | |
1241 | r = sd_bus_message_close_container(m); | |
1242 | if (r < 0) | |
f53bddf3 | 1243 | return bus_log_create_error(r); |
4c213d6c WC |
1244 | |
1245 | r = sd_bus_message_close_container(m); | |
1246 | if (r < 0) | |
f53bddf3 | 1247 | return bus_log_create_error(r); |
4c213d6c WC |
1248 | |
1249 | r = sd_bus_message_close_container(m); | |
1250 | if (r < 0) | |
f53bddf3 | 1251 | return bus_log_create_error(r); |
4c213d6c WC |
1252 | |
1253 | r = sd_bus_message_close_container(m); | |
1254 | if (r < 0) | |
f53bddf3 | 1255 | return bus_log_create_error(r); |
4c213d6c WC |
1256 | } |
1257 | ||
1258 | return 0; | |
1259 | } | |
1260 | ||
f2c96f0f | 1261 | static int transient_scope_set_properties(sd_bus_message *m, bool allow_pidfd) { |
9b15b784 LP |
1262 | int r; |
1263 | ||
1264 | assert(m); | |
1265 | ||
89ada3ba | 1266 | r = transient_unit_set_properties(m, UNIT_SCOPE, arg_property); |
9b15b784 LP |
1267 | if (r < 0) |
1268 | return r; | |
1269 | ||
1270 | r = transient_kill_set_properties(m); | |
1271 | if (r < 0) | |
1272 | return r; | |
1273 | ||
37e605f9 LP |
1274 | r = transient_cgroup_set_properties(m); |
1275 | if (r < 0) | |
1276 | return r; | |
1277 | ||
f2c96f0f LP |
1278 | if (allow_pidfd) { |
1279 | _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; | |
7eda208f | 1280 | |
f2c96f0f LP |
1281 | r = pidref_set_self(&pidref); |
1282 | if (r < 0) | |
1283 | return r; | |
1284 | ||
1285 | r = bus_append_scope_pidref(m, &pidref); | |
1286 | } else | |
1287 | r = sd_bus_message_append( | |
1288 | m, "(sv)", | |
1289 | "PIDs", "au", 1, getpid_cached()); | |
9b15b784 | 1290 | if (r < 0) |
f53bddf3 | 1291 | return bus_log_create_error(r); |
9b15b784 LP |
1292 | |
1293 | return 0; | |
1294 | } | |
1295 | ||
4c213d6c WC |
1296 | static int transient_timer_set_properties(sd_bus_message *m) { |
1297 | int r; | |
1298 | ||
1299 | assert(m); | |
1300 | ||
89ada3ba | 1301 | r = transient_unit_set_properties(m, UNIT_TIMER, arg_timer_property); |
4c213d6c WC |
1302 | if (r < 0) |
1303 | return r; | |
1304 | ||
6348d701 LP |
1305 | /* Automatically clean up our transient timers */ |
1306 | r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false); | |
1307 | if (r < 0) | |
f53bddf3 | 1308 | return bus_log_create_error(r); |
6348d701 | 1309 | |
4c213d6c WC |
1310 | return 0; |
1311 | } | |
1312 | ||
9c8d1e1a LP |
1313 | static int make_unit_name(sd_bus *bus, UnitType t, char **ret) { |
1314 | const char *unique, *id; | |
1315 | char *p; | |
1316 | int r; | |
1317 | ||
1318 | assert(bus); | |
1319 | assert(t >= 0); | |
1320 | assert(t < _UNIT_TYPE_MAX); | |
1321 | ||
1322 | r = sd_bus_get_unique_name(bus, &unique); | |
1323 | if (r < 0) { | |
1324 | sd_id128_t rnd; | |
1325 | ||
1326 | /* We couldn't get the unique name, which is a pretty | |
1327 | * common case if we are connected to systemd | |
1328 | * directly. In that case, just pick a random uuid as | |
1329 | * name */ | |
1330 | ||
1331 | r = sd_id128_randomize(&rnd); | |
1332 | if (r < 0) | |
1333 | return log_error_errno(r, "Failed to generate random run unit name: %m"); | |
1334 | ||
1335 | if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0) | |
1336 | return log_oom(); | |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
e6283cbf | 1341 | /* We managed to get the unique name, then let's use that to name our transient units. */ |
9c8d1e1a | 1342 | |
e6283cbf LP |
1343 | id = startswith(unique, ":1."); /* let' strip the usual prefix */ |
1344 | if (!id) | |
1345 | id = startswith(unique, ":"); /* the spec only requires things to start with a colon, hence | |
1346 | * let's add a generic fallback for that. */ | |
baaa35ad ZJS |
1347 | if (!id) |
1348 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1349 | "Unique name %s has unexpected format.", | |
1350 | unique); | |
9c8d1e1a | 1351 | |
605405c6 | 1352 | p = strjoin("run-u", id, ".", unit_type_to_string(t)); |
9c8d1e1a LP |
1353 | if (!p) |
1354 | return log_oom(); | |
1355 | ||
1356 | *ret = p; | |
1357 | return 0; | |
1358 | } | |
1359 | ||
2a453c2e LP |
1360 | typedef struct RunContext { |
1361 | sd_bus *bus; | |
1362 | sd_event *event; | |
1363 | PTYForward *forward; | |
1364 | sd_bus_slot *match; | |
1365 | ||
2b5f7089 | 1366 | /* Current state of the unit */ |
2a453c2e | 1367 | char *active_state; |
2b5f7089 LP |
1368 | bool has_job; |
1369 | ||
1370 | /* The exit data of the unit */ | |
2a453c2e LP |
1371 | uint64_t inactive_exit_usec; |
1372 | uint64_t inactive_enter_usec; | |
1373 | char *result; | |
1374 | uint64_t cpu_usage_nsec; | |
324ec6b5 | 1375 | uint64_t memory_peak; |
aac3384e | 1376 | uint64_t memory_swap_peak; |
655aab20 LP |
1377 | uint64_t ip_ingress_bytes; |
1378 | uint64_t ip_egress_bytes; | |
826f7cb1 LP |
1379 | uint64_t io_read_bytes; |
1380 | uint64_t io_write_bytes; | |
2a453c2e LP |
1381 | uint32_t exit_code; |
1382 | uint32_t exit_status; | |
1383 | } RunContext; | |
1384 | ||
1385 | static void run_context_free(RunContext *c) { | |
1386 | assert(c); | |
1387 | ||
1388 | c->forward = pty_forward_free(c->forward); | |
1389 | c->match = sd_bus_slot_unref(c->match); | |
1390 | c->bus = sd_bus_unref(c->bus); | |
1391 | c->event = sd_event_unref(c->event); | |
1392 | ||
1393 | free(c->active_state); | |
1394 | free(c->result); | |
1395 | } | |
1396 | ||
1397 | static void run_context_check_done(RunContext *c) { | |
95f1d6bf | 1398 | bool done; |
2a453c2e LP |
1399 | |
1400 | assert(c); | |
1401 | ||
1402 | if (c->match) | |
2b5f7089 | 1403 | done = STRPTR_IN_SET(c->active_state, "inactive", "failed") && !c->has_job; |
95f1d6bf LP |
1404 | else |
1405 | done = true; | |
2a453c2e | 1406 | |
95f1d6bf LP |
1407 | if (c->forward && done) /* If the service is gone, it's time to drain the output */ |
1408 | done = pty_forward_drain(c->forward); | |
2a453c2e LP |
1409 | |
1410 | if (done) | |
1411 | sd_event_exit(c->event, EXIT_SUCCESS); | |
1412 | } | |
1413 | ||
2b5f7089 LP |
1414 | static int map_job(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { |
1415 | bool *b = userdata; | |
1416 | const char *job; | |
1417 | uint32_t id; | |
1418 | int r; | |
1419 | ||
1420 | r = sd_bus_message_read(m, "(uo)", &id, &job); | |
1421 | if (r < 0) | |
1422 | return r; | |
1423 | ||
1424 | *b = id != 0 || !streq(job, "/"); | |
1425 | return 0; | |
1426 | } | |
1427 | ||
5b1bad8d | 1428 | static int run_context_update(RunContext *c, const char *path) { |
2a453c2e LP |
1429 | |
1430 | static const struct bus_properties_map map[] = { | |
2b5f7089 LP |
1431 | { "ActiveState", "s", NULL, offsetof(RunContext, active_state) }, |
1432 | { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_exit_usec) }, | |
1433 | { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_enter_usec) }, | |
1434 | { "Result", "s", NULL, offsetof(RunContext, result) }, | |
1435 | { "ExecMainCode", "i", NULL, offsetof(RunContext, exit_code) }, | |
1436 | { "ExecMainStatus", "i", NULL, offsetof(RunContext, exit_status) }, | |
1437 | { "CPUUsageNSec", "t", NULL, offsetof(RunContext, cpu_usage_nsec) }, | |
324ec6b5 | 1438 | { "MemoryPeak", "t", NULL, offsetof(RunContext, memory_peak) }, |
aac3384e | 1439 | { "MemorySwapPeak", "t", NULL, offsetof(RunContext, memory_swap_peak) }, |
2b5f7089 LP |
1440 | { "IPIngressBytes", "t", NULL, offsetof(RunContext, ip_ingress_bytes) }, |
1441 | { "IPEgressBytes", "t", NULL, offsetof(RunContext, ip_egress_bytes) }, | |
1442 | { "IOReadBytes", "t", NULL, offsetof(RunContext, io_read_bytes) }, | |
1443 | { "IOWriteBytes", "t", NULL, offsetof(RunContext, io_write_bytes) }, | |
1444 | { "Job", "(uo)", map_job, offsetof(RunContext, has_job) }, | |
2a453c2e LP |
1445 | {} |
1446 | }; | |
1447 | ||
f9e0eefc | 1448 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
2a453c2e LP |
1449 | int r; |
1450 | ||
1451 | r = bus_map_all_properties(c->bus, | |
1452 | "org.freedesktop.systemd1", | |
5b1bad8d | 1453 | path, |
2a453c2e | 1454 | map, |
a7e4861c | 1455 | BUS_MAP_STRDUP, |
f9e0eefc | 1456 | &error, |
f37f8a61 | 1457 | NULL, |
2a453c2e LP |
1458 | c); |
1459 | if (r < 0) { | |
1460 | sd_event_exit(c->event, EXIT_FAILURE); | |
f9e0eefc | 1461 | return log_error_errno(r, "Failed to query unit state: %s", bus_error_message(&error, r)); |
2a453c2e LP |
1462 | } |
1463 | ||
1464 | run_context_check_done(c); | |
1465 | return 0; | |
1466 | } | |
1467 | ||
5b1bad8d | 1468 | static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
99534007 | 1469 | RunContext *c = ASSERT_PTR(userdata); |
5b1bad8d LP |
1470 | |
1471 | assert(m); | |
5b1bad8d LP |
1472 | |
1473 | return run_context_update(c, sd_bus_message_get_path(m)); | |
1474 | } | |
1475 | ||
2a453c2e LP |
1476 | static int pty_forward_handler(PTYForward *f, int rcode, void *userdata) { |
1477 | RunContext *c = userdata; | |
1478 | ||
1479 | assert(f); | |
1480 | ||
1481 | if (rcode < 0) { | |
1482 | sd_event_exit(c->event, EXIT_FAILURE); | |
1483 | return log_error_errno(rcode, "Error on PTY forwarding logic: %m"); | |
1484 | } | |
1485 | ||
1486 | run_context_check_done(c); | |
1487 | return 0; | |
1488 | } | |
1489 | ||
b58026bd ZJS |
1490 | static int make_transient_service_unit( |
1491 | sd_bus *bus, | |
1492 | sd_bus_message **message, | |
1493 | const char *service, | |
1494 | const char *pty_path) { | |
1495 | ||
1496 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
1497 | int r; | |
1498 | ||
1499 | assert(bus); | |
1500 | assert(message); | |
1501 | assert(service); | |
1502 | ||
1503 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); | |
1504 | if (r < 0) | |
1505 | return bus_log_create_error(r); | |
1506 | ||
1507 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
1508 | if (r < 0) | |
1509 | return bus_log_create_error(r); | |
1510 | ||
1511 | /* Name and mode */ | |
1512 | r = sd_bus_message_append(m, "ss", service, "fail"); | |
1513 | if (r < 0) | |
1514 | return bus_log_create_error(r); | |
1515 | ||
1516 | /* Properties */ | |
1517 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1518 | if (r < 0) | |
1519 | return bus_log_create_error(r); | |
1520 | ||
1521 | r = transient_service_set_properties(m, pty_path); | |
1522 | if (r < 0) | |
1523 | return r; | |
1524 | ||
1525 | r = sd_bus_message_close_container(m); | |
1526 | if (r < 0) | |
1527 | return bus_log_create_error(r); | |
1528 | ||
1529 | /* Auxiliary units */ | |
1530 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
1531 | if (r < 0) | |
1532 | return bus_log_create_error(r); | |
1533 | ||
1534 | *message = TAKE_PTR(m); | |
1535 | return 0; | |
1536 | } | |
1537 | ||
f872ddd1 | 1538 | static int bus_call_with_hint( |
4c213d6c | 1539 | sd_bus *bus, |
f872ddd1 ZJS |
1540 | sd_bus_message *message, |
1541 | const char *name, | |
1542 | sd_bus_message **reply) { | |
1543 | ||
1544 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1545 | int r; | |
4c213d6c | 1546 | |
f872ddd1 ZJS |
1547 | r = sd_bus_call(bus, message, 0, &error, reply); |
1548 | if (r < 0) { | |
1549 | log_error_errno(r, "Failed to start transient %s unit: %s", name, bus_error_message(&error, r)); | |
1550 | ||
8167c56b | 1551 | if (arg_expand_environment == 0 && |
f872ddd1 ZJS |
1552 | sd_bus_error_has_names(&error, |
1553 | SD_BUS_ERROR_UNKNOWN_PROPERTY, | |
1554 | SD_BUS_ERROR_PROPERTY_READ_ONLY)) | |
1555 | log_notice_errno(r, "Hint: --expand-environment=no is not supported by old systemd"); | |
1556 | } | |
1557 | ||
1558 | return r; | |
1559 | } | |
1560 | ||
7693661a LP |
1561 | static int acquire_invocation_id(sd_bus *bus, const char *unit, sd_id128_t *ret) { |
1562 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1563 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1564 | _cleanup_free_ char *object = NULL; | |
1565 | const void *p; | |
1566 | size_t l; | |
1567 | int r; | |
1568 | ||
1569 | assert(bus); | |
1570 | assert(ret); | |
1571 | ||
1572 | if (unit) { | |
1573 | object = unit_dbus_path_from_name(unit); | |
1574 | if (!object) | |
1575 | return log_oom(); | |
1576 | } | |
1577 | ||
1578 | r = sd_bus_get_property(bus, | |
1579 | "org.freedesktop.systemd1", | |
1580 | object ?: "/org/freedesktop/systemd1/unit/self", | |
1581 | "org.freedesktop.systemd1.Unit", | |
1582 | "InvocationID", | |
1583 | &error, | |
1584 | &reply, | |
1585 | "ay"); | |
1586 | if (r < 0) | |
1587 | return log_error_errno(r, "Failed to request invocation ID for unit: %s", bus_error_message(&error, r)); | |
1588 | ||
1589 | r = sd_bus_message_read_array(reply, 'y', &p, &l); | |
1590 | if (r < 0) | |
1591 | return bus_log_parse_error(r); | |
1592 | ||
1593 | if (l == 0) { | |
1594 | *ret = SD_ID128_NULL; | |
1595 | return 0; /* no uuid set */ | |
1596 | } | |
1597 | ||
1598 | if (l != sizeof(sd_id128_t)) | |
1599 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid UUID size, %zu != %zu.", l, sizeof(sd_id128_t)); | |
1600 | ||
1601 | memcpy(ret, p, l); | |
1602 | return !sd_id128_is_null(*ret); | |
1603 | } | |
1604 | ||
ac9a75d0 | 1605 | static int start_transient_service(sd_bus *bus) { |
4afd3348 LP |
1606 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
1607 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3d161f99 | 1608 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; |
ee451d76 | 1609 | _cleanup_free_ char *service = NULL, *pty_path = NULL; |
5bb1d7fb | 1610 | _cleanup_close_ int master = -EBADF; |
4c213d6c WC |
1611 | int r; |
1612 | ||
1613 | assert(bus); | |
4c213d6c | 1614 | |
5dca7739 | 1615 | if (arg_stdio == ARG_STDIO_PTY) { |
9b15b784 | 1616 | |
ee451d76 | 1617 | if (arg_transport == BUS_TRANSPORT_LOCAL) { |
669fc4e5 | 1618 | master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); |
ee451d76 LP |
1619 | if (master < 0) |
1620 | return log_error_errno(errno, "Failed to acquire pseudo tty: %m"); | |
1621 | ||
1622 | r = ptsname_malloc(master, &pty_path); | |
1623 | if (r < 0) | |
1624 | return log_error_errno(r, "Failed to determine tty name: %m"); | |
1625 | ||
395745ba LP |
1626 | if (unlockpt(master) < 0) |
1627 | return log_error_errno(errno, "Failed to unlock tty: %m"); | |
1628 | ||
de33fc62 | 1629 | } else if (arg_transport == BUS_TRANSPORT_MACHINE) { |
4afd3348 | 1630 | _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL; |
20fc5811 | 1631 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL; |
ee451d76 LP |
1632 | const char *s; |
1633 | ||
024a8ec1 | 1634 | r = sd_bus_default_system(&system_bus); |
ee451d76 | 1635 | if (r < 0) |
024a8ec1 | 1636 | return log_error_errno(r, "Failed to connect to system bus: %m"); |
ee451d76 | 1637 | |
9107ef56 AS |
1638 | r = bus_call_method(system_bus, |
1639 | bus_machine_mgr, | |
1640 | "OpenMachinePTY", | |
1641 | &error, | |
1642 | &pty_reply, | |
1643 | "s", arg_host); | |
4ae25393 | 1644 | if (r < 0) |
2a03b9ed | 1645 | return log_error_errno(r, "Failed to get machine PTY: %s", bus_error_message(&error, r)); |
ee451d76 | 1646 | |
20fc5811 | 1647 | r = sd_bus_message_read(pty_reply, "hs", &master, &s); |
ee451d76 LP |
1648 | if (r < 0) |
1649 | return bus_log_parse_error(r); | |
1650 | ||
1651 | master = fcntl(master, F_DUPFD_CLOEXEC, 3); | |
1652 | if (master < 0) | |
1653 | return log_error_errno(errno, "Failed to duplicate master fd: %m"); | |
1654 | ||
1655 | pty_path = strdup(s); | |
1656 | if (!pty_path) | |
1657 | return log_oom(); | |
1658 | } else | |
04499a70 | 1659 | assert_not_reached(); |
9b15b784 LP |
1660 | } |
1661 | ||
a7c71d21 LP |
1662 | /* Optionally, wait for the start job to complete. If we are supposed to read the service's stdin |
1663 | * lets skip this however, because we should start that already when the start job is running, and | |
1664 | * there's little point in waiting for the start job to complete in that case anyway, as we'll wait | |
1665 | * for EOF anyway, which is going to be much later. */ | |
1666 | if (!arg_no_block && arg_stdio == ARG_STDIO_NONE) { | |
3d161f99 LP |
1667 | r = bus_wait_for_jobs_new(bus, &w); |
1668 | if (r < 0) | |
1669 | return log_error_errno(r, "Could not watch jobs: %m"); | |
1670 | } | |
1671 | ||
4c213d6c | 1672 | if (arg_unit) { |
df7c4eb6 ZJS |
1673 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", |
1674 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1675 | ".service", &service); | |
7410616c LP |
1676 | if (r < 0) |
1677 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
9c8d1e1a LP |
1678 | } else { |
1679 | r = make_unit_name(bus, UNIT_SERVICE, &service); | |
1680 | if (r < 0) | |
1681 | return r; | |
1682 | } | |
4c213d6c | 1683 | |
b58026bd | 1684 | r = make_transient_service_unit(bus, &m, service, pty_path); |
c2756a68 | 1685 | if (r < 0) |
f53bddf3 | 1686 | return r; |
c2756a68 | 1687 | |
8a4b13c5 | 1688 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
8c7db2fb | 1689 | |
f872ddd1 | 1690 | r = bus_call_with_hint(bus, m, "service", &reply); |
024a8ec1 | 1691 | if (r < 0) |
f872ddd1 | 1692 | return r; |
c2756a68 | 1693 | |
3d161f99 LP |
1694 | if (w) { |
1695 | const char *object; | |
1696 | ||
1697 | r = sd_bus_message_read(reply, "o", &object); | |
1698 | if (r < 0) | |
1699 | return bus_log_parse_error(r); | |
1700 | ||
cffa4325 ZJS |
1701 | r = bus_wait_for_jobs_one(w, |
1702 | object, | |
e22ad53d | 1703 | arg_quiet ? 0 : BUS_WAIT_JOBS_LOG_ERROR, |
cffa4325 | 1704 | arg_runtime_scope == RUNTIME_SCOPE_USER ? STRV_MAKE_CONST("--user") : NULL); |
3d161f99 LP |
1705 | if (r < 0) |
1706 | return r; | |
1707 | } | |
1708 | ||
7693661a LP |
1709 | if (!arg_quiet) { |
1710 | sd_id128_t invocation_id; | |
1711 | ||
1712 | r = acquire_invocation_id(bus, service, &invocation_id); | |
1713 | if (r < 0) | |
1714 | return r; | |
1715 | if (r == 0) /* No invocation UUID set */ | |
1716 | log_info("Running as unit: %s", service); | |
1717 | else | |
1718 | log_info("Running as unit: %s; invocation ID: " SD_ID128_FORMAT_STR, service, SD_ID128_FORMAT_VAL(invocation_id)); | |
1719 | } | |
2a453c2e | 1720 | |
5dca7739 | 1721 | if (arg_wait || arg_stdio != ARG_STDIO_NONE) { |
655aab20 LP |
1722 | _cleanup_(run_context_free) RunContext c = { |
1723 | .cpu_usage_nsec = NSEC_INFINITY, | |
324ec6b5 | 1724 | .memory_peak = UINT64_MAX, |
aac3384e | 1725 | .memory_swap_peak = UINT64_MAX, |
655aab20 LP |
1726 | .ip_ingress_bytes = UINT64_MAX, |
1727 | .ip_egress_bytes = UINT64_MAX, | |
826f7cb1 LP |
1728 | .io_read_bytes = UINT64_MAX, |
1729 | .io_write_bytes = UINT64_MAX, | |
655aab20 LP |
1730 | .inactive_exit_usec = USEC_INFINITY, |
1731 | .inactive_enter_usec = USEC_INFINITY, | |
1732 | }; | |
95f1d6bf | 1733 | _cleanup_free_ char *path = NULL; |
4c213d6c | 1734 | |
2a453c2e LP |
1735 | c.bus = sd_bus_ref(bus); |
1736 | ||
1737 | r = sd_event_default(&c.event); | |
4c213d6c | 1738 | if (r < 0) |
9b15b784 | 1739 | return log_error_errno(r, "Failed to get event loop: %m"); |
4c213d6c | 1740 | |
2a453c2e LP |
1741 | if (master >= 0) { |
1742 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0); | |
1743 | (void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL); | |
1744 | (void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL); | |
1745 | ||
1746 | if (!arg_quiet) | |
1747 | log_info("Press ^] three times within 1s to disconnect TTY."); | |
4c213d6c | 1748 | |
2a453c2e LP |
1749 | r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward); |
1750 | if (r < 0) | |
1751 | return log_error_errno(r, "Failed to create PTY forwarder: %m"); | |
1752 | ||
1753 | pty_forward_set_handler(c.forward, pty_forward_handler, &c); | |
d147457c LP |
1754 | |
1755 | /* Make sure to process any TTY events before we process bus events */ | |
1756 | (void) pty_forward_set_priority(c.forward, SD_EVENT_PRIORITY_IMPORTANT); | |
2f0b4d57 LP |
1757 | |
1758 | if (!isempty(arg_background)) | |
1759 | (void) pty_forward_set_background_color(c.forward, arg_background); | |
2a453c2e | 1760 | } |
4c213d6c | 1761 | |
95f1d6bf LP |
1762 | path = unit_dbus_path_from_name(service); |
1763 | if (!path) | |
1764 | return log_oom(); | |
2a453c2e | 1765 | |
75152a4d LP |
1766 | r = sd_bus_match_signal_async( |
1767 | bus, | |
1768 | &c.match, | |
1769 | "org.freedesktop.systemd1", | |
1770 | path, | |
1771 | "org.freedesktop.DBus.Properties", | |
1772 | "PropertiesChanged", | |
1773 | on_properties_changed, NULL, &c); | |
95f1d6bf | 1774 | if (r < 0) |
75152a4d | 1775 | return log_error_errno(r, "Failed to request properties changed signal match: %m"); |
4c213d6c | 1776 | |
d147457c | 1777 | r = sd_bus_attach_event(bus, c.event, SD_EVENT_PRIORITY_NORMAL); |
95f1d6bf | 1778 | if (r < 0) |
75152a4d | 1779 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); |
5b1bad8d | 1780 | |
95f1d6bf LP |
1781 | r = run_context_update(&c, path); |
1782 | if (r < 0) | |
1783 | return r; | |
2a453c2e LP |
1784 | |
1785 | r = sd_event_loop(c.event); | |
4c213d6c | 1786 | if (r < 0) |
9b15b784 | 1787 | return log_error_errno(r, "Failed to run event loop: %m"); |
4c213d6c | 1788 | |
2a453c2e LP |
1789 | if (c.forward) { |
1790 | char last_char = 0; | |
4c213d6c | 1791 | |
2a453c2e LP |
1792 | r = pty_forward_get_last_char(c.forward, &last_char); |
1793 | if (r >= 0 && !arg_quiet && last_char != '\n') | |
1794 | fputc('\n', stdout); | |
1795 | } | |
4c213d6c | 1796 | |
95f1d6bf | 1797 | if (arg_wait && !arg_quiet) { |
9182fb52 | 1798 | |
f1d60962 | 1799 | /* Explicitly destroy the PTY forwarder, so that the PTY device is usable again, with its |
9182fb52 LP |
1800 | * original settings (i.e. proper line breaks), so that we can show the summary in a pretty |
1801 | * way. */ | |
1802 | c.forward = pty_forward_free(c.forward); | |
1803 | ||
2a453c2e LP |
1804 | if (!isempty(c.result)) |
1805 | log_info("Finished with result: %s", strna(c.result)); | |
9f2e86af | 1806 | |
2a453c2e | 1807 | if (c.exit_code == CLD_EXITED) |
c0f86d66 | 1808 | log_info("Main processes terminated with: code=%s/status=%u", |
f1d60962 | 1809 | sigchld_code_to_string(c.exit_code), c.exit_status); |
2a453c2e | 1810 | else if (c.exit_code > 0) |
f1d60962 ZJS |
1811 | log_info("Main processes terminated with: code=%s/status=%s", |
1812 | sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status)); | |
2a453c2e | 1813 | |
1f65fd49 ZJS |
1814 | if (timestamp_is_set(c.inactive_enter_usec) && |
1815 | timestamp_is_set(c.inactive_exit_usec) && | |
5291f26d | 1816 | c.inactive_enter_usec > c.inactive_exit_usec) |
f1d60962 | 1817 | log_info("Service runtime: %s", |
5291f26d | 1818 | FORMAT_TIMESPAN(c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC)); |
2a453c2e | 1819 | |
5291f26d | 1820 | if (c.cpu_usage_nsec != NSEC_INFINITY) |
f1d60962 | 1821 | log_info("CPU time consumed: %s", |
5291f26d | 1822 | FORMAT_TIMESPAN(DIV_ROUND_UP(c.cpu_usage_nsec, NSEC_PER_USEC), USEC_PER_MSEC)); |
655aab20 | 1823 | |
324ec6b5 FS |
1824 | if (c.memory_peak != UINT64_MAX) |
1825 | log_info("Memory peak: %s", FORMAT_BYTES(c.memory_peak)); | |
1826 | ||
aac3384e FS |
1827 | if (c.memory_swap_peak != UINT64_MAX) |
1828 | log_info("Memory swap peak: %s", FORMAT_BYTES(c.memory_swap_peak)); | |
1829 | ||
2b59bf51 ZJS |
1830 | if (c.ip_ingress_bytes != UINT64_MAX) |
1831 | log_info("IP traffic received: %s", FORMAT_BYTES(c.ip_ingress_bytes)); | |
1832 | ||
1833 | if (c.ip_egress_bytes != UINT64_MAX) | |
1834 | log_info("IP traffic sent: %s", FORMAT_BYTES(c.ip_egress_bytes)); | |
1835 | ||
1836 | if (c.io_read_bytes != UINT64_MAX) | |
1837 | log_info("IO bytes read: %s", FORMAT_BYTES(c.io_read_bytes)); | |
1838 | ||
1839 | if (c.io_write_bytes != UINT64_MAX) | |
1840 | log_info("IO bytes written: %s", FORMAT_BYTES(c.io_write_bytes)); | |
2a453c2e LP |
1841 | } |
1842 | ||
7f3614e5 ZJS |
1843 | /* Try to propagate the service's return value. But if the service defines |
1844 | * e.g. SuccessExitStatus, honour this, and return 0 to mean "success". */ | |
1845 | if (streq_ptr(c.result, "success")) | |
ac9a75d0 ZJS |
1846 | return EXIT_SUCCESS; |
1847 | if (streq_ptr(c.result, "exit-code") && c.exit_status > 0) | |
1848 | return c.exit_status; | |
1849 | if (streq_ptr(c.result, "signal")) | |
1850 | return EXIT_EXCEPTION; | |
1851 | return EXIT_FAILURE; | |
2a453c2e | 1852 | } |
7040b626 | 1853 | |
ac9a75d0 | 1854 | return EXIT_SUCCESS; |
6c12b52e LP |
1855 | } |
1856 | ||
00f8eea8 | 1857 | static int start_transient_scope(sd_bus *bus) { |
f2c96f0f | 1858 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
de158ed2 | 1859 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; |
f331434d | 1860 | _cleanup_strv_free_ char **env = NULL, **user_env = NULL; |
4c213d6c | 1861 | _cleanup_free_ char *scope = NULL; |
de158ed2 | 1862 | const char *object = NULL; |
00f8eea8 | 1863 | sd_id128_t invocation_id; |
f2c96f0f | 1864 | bool allow_pidfd = true; |
6c12b52e LP |
1865 | int r; |
1866 | ||
8159d91a | 1867 | assert(bus); |
badd28e1 | 1868 | assert(!strv_isempty(arg_cmdline)); |
8159d91a | 1869 | |
de158ed2 LP |
1870 | r = bus_wait_for_jobs_new(bus, &w); |
1871 | if (r < 0) | |
f3f8bd6a | 1872 | return log_error_errno(r, "Could not watch jobs: %m"); |
de158ed2 | 1873 | |
7de80bfe | 1874 | if (arg_unit) { |
df7c4eb6 ZJS |
1875 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", |
1876 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1877 | ".scope", &scope); | |
7410616c LP |
1878 | if (r < 0) |
1879 | return log_error_errno(r, "Failed to mangle scope name: %m"); | |
9c8d1e1a LP |
1880 | } else { |
1881 | r = make_unit_name(bus, UNIT_SCOPE, &scope); | |
1882 | if (r < 0) | |
1883 | return r; | |
1884 | } | |
6c12b52e | 1885 | |
f2c96f0f | 1886 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
c2756a68 | 1887 | |
f2c96f0f LP |
1888 | for (;;) { |
1889 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1890 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
8c7db2fb | 1891 | |
f2c96f0f LP |
1892 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
1893 | if (r < 0) | |
1894 | return bus_log_create_error(r); | |
4c213d6c | 1895 | |
f2c96f0f LP |
1896 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); |
1897 | if (r < 0) | |
1898 | return bus_log_create_error(r); | |
4c213d6c | 1899 | |
f2c96f0f LP |
1900 | /* Name and Mode */ |
1901 | r = sd_bus_message_append(m, "ss", scope, "fail"); | |
1902 | if (r < 0) | |
1903 | return bus_log_create_error(r); | |
4c213d6c | 1904 | |
f2c96f0f LP |
1905 | /* Properties */ |
1906 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1907 | if (r < 0) | |
1908 | return bus_log_create_error(r); | |
4c213d6c | 1909 | |
f2c96f0f LP |
1910 | r = transient_scope_set_properties(m, allow_pidfd); |
1911 | if (r < 0) | |
1912 | return r; | |
6c12b52e | 1913 | |
f2c96f0f LP |
1914 | r = sd_bus_message_close_container(m); |
1915 | if (r < 0) | |
1916 | return bus_log_create_error(r); | |
8c7db2fb | 1917 | |
f2c96f0f LP |
1918 | /* Auxiliary units */ |
1919 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
1920 | if (r < 0) | |
1921 | return bus_log_create_error(r); | |
1922 | ||
1923 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1924 | if (r < 0) { | |
1925 | if (sd_bus_error_has_names(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY, SD_BUS_ERROR_PROPERTY_READ_ONLY) && allow_pidfd) { | |
1926 | log_debug("Retrying with classic PIDs."); | |
1927 | allow_pidfd = false; | |
1928 | continue; | |
1929 | } | |
1930 | ||
1931 | return log_error_errno(r, "Failed to start transient scope unit: %s", bus_error_message(&error, r)); | |
1932 | } | |
1933 | ||
1934 | break; | |
1935 | } | |
c2756a68 | 1936 | |
00f8eea8 LP |
1937 | r = sd_bus_message_read(reply, "o", &object); |
1938 | if (r < 0) | |
1939 | return bus_log_parse_error(r); | |
1940 | ||
e22ad53d MC |
1941 | r = bus_wait_for_jobs_one(w, object, arg_quiet ? 0 : BUS_WAIT_JOBS_LOG_ERROR, |
1942 | arg_runtime_scope == RUNTIME_SCOPE_USER ? STRV_MAKE_CONST("--user") : NULL); | |
00f8eea8 LP |
1943 | if (r < 0) |
1944 | return r; | |
1945 | ||
7693661a | 1946 | r = acquire_invocation_id(bus, NULL, &invocation_id); |
00f8eea8 LP |
1947 | if (r < 0) |
1948 | return r; | |
7693661a LP |
1949 | if (r == 0) |
1950 | log_debug("No invocation ID set."); | |
1951 | else { | |
1952 | if (strv_extendf(&user_env, "INVOCATION_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(invocation_id)) < 0) | |
1953 | return log_oom(); | |
1954 | } | |
00f8eea8 | 1955 | |
4de33e7f | 1956 | if (arg_nice_set) { |
4a62c710 MS |
1957 | if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0) |
1958 | return log_error_errno(errno, "Failed to set nice level: %m"); | |
4de33e7f LP |
1959 | } |
1960 | ||
1961 | if (arg_exec_group) { | |
1962 | gid_t gid; | |
1963 | ||
fafff8f1 | 1964 | r = get_group_creds(&arg_exec_group, &gid, 0); |
f647962d MS |
1965 | if (r < 0) |
1966 | return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group); | |
4de33e7f | 1967 | |
4a62c710 MS |
1968 | if (setresgid(gid, gid, gid) < 0) |
1969 | return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid); | |
4de33e7f LP |
1970 | } |
1971 | ||
1972 | if (arg_exec_user) { | |
1973 | const char *home, *shell; | |
1974 | uid_t uid; | |
1975 | gid_t gid; | |
1976 | ||
43ad3ad7 | 1977 | r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell, USER_CREDS_CLEAN|USER_CREDS_PREFER_NSS); |
f647962d MS |
1978 | if (r < 0) |
1979 | return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user); | |
4de33e7f | 1980 | |
be39ccf3 LP |
1981 | if (home) { |
1982 | r = strv_extendf(&user_env, "HOME=%s", home); | |
1983 | if (r < 0) | |
1984 | return log_oom(); | |
1985 | } | |
4de33e7f | 1986 | |
be39ccf3 LP |
1987 | if (shell) { |
1988 | r = strv_extendf(&user_env, "SHELL=%s", shell); | |
1989 | if (r < 0) | |
1990 | return log_oom(); | |
1991 | } | |
4de33e7f LP |
1992 | |
1993 | r = strv_extendf(&user_env, "USER=%s", arg_exec_user); | |
1994 | if (r < 0) | |
1995 | return log_oom(); | |
1996 | ||
1997 | r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user); | |
1998 | if (r < 0) | |
1999 | return log_oom(); | |
2000 | ||
2001 | if (!arg_exec_group) { | |
4a62c710 MS |
2002 | if (setresgid(gid, gid, gid) < 0) |
2003 | return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid); | |
4de33e7f LP |
2004 | } |
2005 | ||
4a62c710 MS |
2006 | if (setresuid(uid, uid, uid) < 0) |
2007 | return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid); | |
4de33e7f LP |
2008 | } |
2009 | ||
fecc4477 LP |
2010 | if (arg_working_directory && chdir(arg_working_directory) < 0) |
2011 | return log_error_errno(errno, "Failed to change directory to '%s': %m", arg_working_directory); | |
2012 | ||
4ab3d29f | 2013 | env = strv_env_merge(environ, user_env, arg_environment); |
4de33e7f LP |
2014 | if (!env) |
2015 | return log_oom(); | |
2016 | ||
7693661a LP |
2017 | if (!arg_quiet) { |
2018 | if (sd_id128_is_null(invocation_id)) | |
2019 | log_info("Running as unit: %s", scope); | |
2020 | else | |
2021 | log_info("Running as unit: %s; invocation ID: " SD_ID128_FORMAT_STR, scope, SD_ID128_FORMAT_VAL(invocation_id)); | |
2022 | } | |
7040b626 | 2023 | |
8167c56b | 2024 | if (arg_expand_environment > 0) { |
f331434d LP |
2025 | _cleanup_strv_free_ char **expanded_cmdline = NULL, **unset_variables = NULL, **bad_variables = NULL; |
2026 | ||
2027 | r = replace_env_argv(arg_cmdline, env, &expanded_cmdline, &unset_variables, &bad_variables); | |
2028 | if (r < 0) | |
2029 | return log_error_errno(r, "Failed to expand environment variables: %m"); | |
2030 | ||
2031 | free_and_replace(arg_cmdline, expanded_cmdline); | |
2032 | ||
2033 | if (!strv_isempty(unset_variables)) { | |
2034 | _cleanup_free_ char *ju = strv_join(unset_variables, ", "); | |
2035 | log_warning("Referenced but unset environment variable evaluates to an empty string: %s", strna(ju)); | |
2036 | } | |
2037 | ||
2038 | if (!strv_isempty(bad_variables)) { | |
2039 | _cleanup_free_ char *jb = strv_join(bad_variables, ", "); | |
2040 | log_warning("Invalid environment variable name evaluates to an empty string: %s", strna(jb)); | |
2041 | } | |
2ed7a221 ZJS |
2042 | } |
2043 | ||
badd28e1 | 2044 | execvpe(arg_cmdline[0], arg_cmdline, env); |
9b15b784 LP |
2045 | |
2046 | return log_error_errno(errno, "Failed to execute: %m"); | |
2047 | } | |
2048 | ||
b58026bd | 2049 | static int make_transient_trigger_unit( |
9b15b784 | 2050 | sd_bus *bus, |
b58026bd ZJS |
2051 | sd_bus_message **message, |
2052 | const char *suffix, | |
2053 | const char *trigger, | |
2054 | const char *service) { | |
9b15b784 | 2055 | |
b58026bd | 2056 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
9b15b784 LP |
2057 | int r; |
2058 | ||
2059 | assert(bus); | |
b58026bd ZJS |
2060 | assert(message); |
2061 | assert(suffix); | |
2062 | assert(trigger); | |
2063 | assert(service); | |
9b15b784 | 2064 | |
7ad61613 | 2065 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
9b15b784 LP |
2066 | if (r < 0) |
2067 | return bus_log_create_error(r); | |
2068 | ||
8c7db2fb EV |
2069 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); |
2070 | if (r < 0) | |
2071 | return bus_log_create_error(r); | |
2072 | ||
9b15b784 | 2073 | /* Name and Mode */ |
d59ef3e2 | 2074 | r = sd_bus_message_append(m, "ss", trigger, "fail"); |
9b15b784 LP |
2075 | if (r < 0) |
2076 | return bus_log_create_error(r); | |
2077 | ||
2078 | /* Properties */ | |
2079 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
2080 | if (r < 0) | |
2081 | return bus_log_create_error(r); | |
2082 | ||
d59ef3e2 YW |
2083 | if (streq(suffix, ".path")) |
2084 | r = transient_unit_set_properties(m, UNIT_PATH, arg_path_property); | |
2085 | else if (streq(suffix, ".socket")) | |
2086 | r = transient_unit_set_properties(m, UNIT_SOCKET, arg_socket_property); | |
2087 | else if (streq(suffix, ".timer")) | |
2088 | r = transient_timer_set_properties(m); | |
2089 | else | |
04499a70 | 2090 | assert_not_reached(); |
9b15b784 | 2091 | if (r < 0) |
f53bddf3 | 2092 | return r; |
9b15b784 LP |
2093 | |
2094 | r = sd_bus_message_close_container(m); | |
2095 | if (r < 0) | |
2096 | return bus_log_create_error(r); | |
2097 | ||
2098 | r = sd_bus_message_open_container(m, 'a', "(sa(sv))"); | |
2099 | if (r < 0) | |
2100 | return bus_log_create_error(r); | |
2101 | ||
badd28e1 | 2102 | if (!strv_isempty(arg_cmdline)) { |
9b15b784 LP |
2103 | r = sd_bus_message_open_container(m, 'r', "sa(sv)"); |
2104 | if (r < 0) | |
2105 | return bus_log_create_error(r); | |
2106 | ||
2107 | r = sd_bus_message_append(m, "s", service); | |
2108 | if (r < 0) | |
2109 | return bus_log_create_error(r); | |
2110 | ||
2111 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
2112 | if (r < 0) | |
2113 | return bus_log_create_error(r); | |
2114 | ||
badd28e1 | 2115 | r = transient_service_set_properties(m, NULL); |
9b15b784 | 2116 | if (r < 0) |
f53bddf3 | 2117 | return r; |
9b15b784 LP |
2118 | |
2119 | r = sd_bus_message_close_container(m); | |
2120 | if (r < 0) | |
2121 | return bus_log_create_error(r); | |
2122 | ||
2123 | r = sd_bus_message_close_container(m); | |
2124 | if (r < 0) | |
2125 | return bus_log_create_error(r); | |
2126 | } | |
2127 | ||
2128 | r = sd_bus_message_close_container(m); | |
2129 | if (r < 0) | |
2130 | return bus_log_create_error(r); | |
2131 | ||
b58026bd ZJS |
2132 | *message = TAKE_PTR(m); |
2133 | return 0; | |
2134 | } | |
2135 | ||
2136 | static int start_transient_trigger(sd_bus *bus, const char *suffix) { | |
b58026bd ZJS |
2137 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
2138 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
2139 | _cleanup_free_ char *trigger = NULL, *service = NULL; | |
2140 | const char *object = NULL; | |
2141 | int r; | |
2142 | ||
2143 | assert(bus); | |
2144 | assert(suffix); | |
2145 | ||
2146 | r = bus_wait_for_jobs_new(bus, &w); | |
2147 | if (r < 0) | |
f3f8bd6a | 2148 | return log_error_errno(r, "Could not watch jobs: %m"); |
b58026bd ZJS |
2149 | |
2150 | if (arg_unit) { | |
2151 | switch (unit_name_to_type(arg_unit)) { | |
2152 | ||
2153 | case UNIT_SERVICE: | |
2154 | service = strdup(arg_unit); | |
2155 | if (!service) | |
2156 | return log_oom(); | |
2157 | ||
2158 | r = unit_name_change_suffix(service, suffix, &trigger); | |
2159 | if (r < 0) | |
2160 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
2161 | break; | |
2162 | ||
2163 | case UNIT_TIMER: | |
2164 | trigger = strdup(arg_unit); | |
2165 | if (!trigger) | |
2166 | return log_oom(); | |
2167 | ||
2168 | r = unit_name_change_suffix(trigger, ".service", &service); | |
2169 | if (r < 0) | |
2170 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
2171 | break; | |
2172 | ||
2173 | default: | |
2174 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", | |
2175 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
2176 | ".service", &service); | |
2177 | if (r < 0) | |
2178 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2179 | ||
2180 | r = unit_name_mangle_with_suffix(arg_unit, "as trigger", | |
2181 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
2182 | suffix, &trigger); | |
2183 | if (r < 0) | |
2184 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2185 | ||
2186 | break; | |
2187 | } | |
2188 | } else { | |
2189 | r = make_unit_name(bus, UNIT_SERVICE, &service); | |
2190 | if (r < 0) | |
2191 | return r; | |
2192 | ||
2193 | r = unit_name_change_suffix(service, suffix, &trigger); | |
2194 | if (r < 0) | |
2195 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
2196 | } | |
2197 | ||
2198 | r = make_transient_trigger_unit(bus, &m, suffix, trigger, service); | |
2199 | if (r < 0) | |
2200 | return r; | |
2201 | ||
8a4b13c5 | 2202 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
8c7db2fb | 2203 | |
f872ddd1 | 2204 | r = bus_call_with_hint(bus, m, suffix + 1, &reply); |
4ae25393 | 2205 | if (r < 0) |
f872ddd1 | 2206 | return r; |
9b15b784 | 2207 | |
de158ed2 LP |
2208 | r = sd_bus_message_read(reply, "o", &object); |
2209 | if (r < 0) | |
2210 | return bus_log_parse_error(r); | |
2211 | ||
e22ad53d MC |
2212 | r = bus_wait_for_jobs_one(w, object, arg_quiet ? 0 : BUS_WAIT_JOBS_LOG_ERROR, |
2213 | arg_runtime_scope == RUNTIME_SCOPE_USER ? STRV_MAKE_CONST("--user") : NULL); | |
de158ed2 LP |
2214 | if (r < 0) |
2215 | return r; | |
2216 | ||
3dea75de | 2217 | if (!arg_quiet) { |
d59ef3e2 | 2218 | log_info("Running %s as unit: %s", suffix + 1, trigger); |
badd28e1 | 2219 | if (!strv_isempty(arg_cmdline)) |
3dea75de NO |
2220 | log_info("Will run service as unit: %s", service); |
2221 | } | |
9b15b784 | 2222 | |
ac9a75d0 | 2223 | return EXIT_SUCCESS; |
c2756a68 LP |
2224 | } |
2225 | ||
69e08309 | 2226 | static bool shall_make_executable_absolute(void) { |
72eb3081 LP |
2227 | if (arg_exec_path) |
2228 | return false; | |
69e08309 LB |
2229 | if (strv_isempty(arg_cmdline)) |
2230 | return false; | |
2231 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
2232 | return false; | |
2233 | ||
2234 | FOREACH_STRING(f, "RootDirectory=", "RootImage=", "ExecSearchPath=", "MountImages=", "ExtensionImages=") | |
2235 | if (strv_find_startswith(arg_property, f)) | |
2236 | return false; | |
2237 | ||
2238 | return true; | |
2239 | } | |
2240 | ||
ef08ad7a | 2241 | static int run(int argc, char* argv[]) { |
4afd3348 | 2242 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
ac9a75d0 | 2243 | int r; |
c2756a68 | 2244 | |
1a043959 | 2245 | log_show_color(true); |
c2756a68 LP |
2246 | log_parse_environment(); |
2247 | log_open(); | |
2248 | ||
72eb3081 LP |
2249 | if (invoked_as(argv, "uid0")) |
2250 | r = parse_argv_sudo_mode(argc, argv); | |
2251 | else | |
2252 | r = parse_argv(argc, argv); | |
6c12b52e | 2253 | if (r <= 0) |
0565120f | 2254 | return r; |
c2756a68 | 2255 | |
69e08309 | 2256 | if (shall_make_executable_absolute()) { |
8038b99d ZJS |
2257 | /* Patch in an absolute path to fail early for user convenience, but only when we can do it |
2258 | * (i.e. we will be running from the same file system). This also uses the user's $PATH, | |
2259 | * while we use a fixed search path in the manager. */ | |
85eca92e | 2260 | |
8038b99d | 2261 | _cleanup_free_ char *command = NULL; |
f7bc0c32 | 2262 | r = find_executable(arg_cmdline[0], &command); |
0565120f LP |
2263 | if (r < 0) |
2264 | return log_error_errno(r, "Failed to find executable %s: %m", arg_cmdline[0]); | |
85eca92e | 2265 | |
badd28e1 | 2266 | free_and_replace(arg_cmdline[0], command); |
c9d954b2 | 2267 | } |
c9d954b2 | 2268 | |
9f2e86af | 2269 | if (!arg_description) { |
9ce3440a | 2270 | char *t; |
9f2e86af | 2271 | |
9ce3440a ZJS |
2272 | if (strv_isempty(arg_cmdline)) |
2273 | t = strdup(arg_unit); | |
2274 | else | |
2275 | t = quote_command_line(arg_cmdline, SHELL_ESCAPE_EMPTY); | |
2276 | if (!t) | |
2277 | return log_oom(); | |
4c213d6c | 2278 | |
9ce3440a | 2279 | free_and_replace(arg_description, t); |
9f2e86af LP |
2280 | } |
2281 | ||
8167c56b LB |
2282 | /* For backward compatibility reasons env var expansion is disabled by default for scopes, and |
2283 | * enabled by default for everything else. Try to detect it and print a warning, so that we can | |
2284 | * change it in the future and harmonize it. */ | |
2285 | if (arg_expand_environment < 0) { | |
2286 | arg_expand_environment = !arg_scope; | |
2287 | ||
2288 | if (!arg_quiet && arg_scope && strchr(arg_description, '$')) | |
2289 | log_warning("Scope command line contains environment variable, which is not expanded" | |
2290 | " by default for now, but will be expanded by default in the future." | |
2291 | " Use --expand-environment=yes/no to explicitly control it as needed."); | |
2292 | } | |
2293 | ||
cffa4325 ZJS |
2294 | /* If --wait is used connect via the bus, unconditionally, as ref/unref is not supported via the |
2295 | * limited direct connection */ | |
2296 | if (arg_wait || | |
2297 | arg_stdio != ARG_STDIO_NONE || | |
2298 | (arg_runtime_scope == RUNTIME_SCOPE_USER && arg_transport != BUS_TRANSPORT_LOCAL)) | |
4870133b | 2299 | r = bus_connect_transport(arg_transport, arg_host, arg_runtime_scope, &bus); |
2a453c2e | 2300 | else |
4870133b | 2301 | r = bus_connect_transport_systemd(arg_transport, arg_host, arg_runtime_scope, &bus); |
0565120f | 2302 | if (r < 0) |
10a7340a | 2303 | return bus_log_connect_error(r, arg_transport); |
c2756a68 | 2304 | |
6c12b52e | 2305 | if (arg_scope) |
ac9a75d0 ZJS |
2306 | return start_transient_scope(bus); |
2307 | if (arg_path_property) | |
2308 | return start_transient_trigger(bus, ".path"); | |
2309 | if (arg_socket_property) | |
2310 | return start_transient_trigger(bus, ".socket"); | |
2311 | if (arg_with_timer) | |
2312 | return start_transient_trigger(bus, ".timer"); | |
2313 | return start_transient_service(bus); | |
c2756a68 | 2314 | } |
ef08ad7a LP |
2315 | |
2316 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |