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61d0578b LP |
1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2 | ||
3 | #include <errno.h> | |
4 | #include <getopt.h> | |
5 | ||
6 | #include "sd-bus.h" | |
7 | ||
8 | #include "alloc-util.h" | |
9 | #include "bus-error.h" | |
10 | #include "bus-util.h" | |
11 | #include "def.h" | |
12 | #include "dirent-util.h" | |
686d13b9 | 13 | #include "env-file.h" |
61d0578b | 14 | #include "fd-util.h" |
673a1e6f | 15 | #include "fileio.h" |
61d0578b LP |
16 | #include "format-table.h" |
17 | #include "fs-util.h" | |
18 | #include "locale-util.h" | |
19 | #include "machine-image.h" | |
c55a594e | 20 | #include "main-func.h" |
61d0578b LP |
21 | #include "pager.h" |
22 | #include "parse-util.h" | |
23 | #include "path-util.h" | |
294bf0c3 | 24 | #include "pretty-print.h" |
61d0578b LP |
25 | #include "spawn-polkit-agent.h" |
26 | #include "string-util.h" | |
27 | #include "strv.h" | |
28 | #include "terminal-util.h" | |
29 | #include "verbs.h" | |
30 | ||
0221d68a | 31 | static PagerFlags arg_pager_flags = 0; |
61d0578b LP |
32 | static bool arg_legend = true; |
33 | static bool arg_ask_password = true; | |
34 | static bool arg_quiet = false; | |
35 | static const char *arg_profile = "default"; | |
36 | static const char* arg_copy_mode = NULL; | |
37 | static bool arg_runtime = false; | |
38 | static bool arg_reload = true; | |
39 | static bool arg_cat = false; | |
40 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
0c760322 | 41 | static const char *arg_host = NULL; |
61d0578b LP |
42 | |
43 | static int determine_image(const char *image, bool permit_non_existing, char **ret) { | |
44 | int r; | |
45 | ||
46 | /* If the specified name is a valid image name, we pass it as-is to portabled, which will search for it in the | |
47 | * usual search directories. Otherwise we presume it's a path, and will normalize it on the client's side | |
48 | * (among other things, to make the path independent of the client's working directory) before passing it | |
49 | * over. */ | |
50 | ||
51 | if (image_name_is_valid(image)) { | |
52 | char *c; | |
53 | ||
54 | if (!arg_quiet && laccess(image, F_OK) >= 0) | |
55 | log_warning("Ambiguous invocation: current working directory contains file matching non-path argument '%s', ignoring. " | |
56 | "Prefix argument with './' to force reference to file in current working directory.", image); | |
57 | ||
58 | c = strdup(image); | |
59 | if (!c) | |
60 | return log_oom(); | |
61 | ||
62 | *ret = c; | |
63 | return 0; | |
64 | } | |
65 | ||
baaa35ad ZJS |
66 | if (arg_transport != BUS_TRANSPORT_LOCAL) |
67 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
68 | "Operations on images by path not supported when connecting to remote systems."); | |
61d0578b LP |
69 | |
70 | r = chase_symlinks(image, NULL, CHASE_TRAIL_SLASH | (permit_non_existing ? CHASE_NONEXISTENT : 0), ret); | |
71 | if (r < 0) | |
72 | return log_error_errno(r, "Cannot normalize specified image path '%s': %m", image); | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
77 | static int extract_prefix(const char *path, char **ret) { | |
78 | _cleanup_free_ char *name = NULL; | |
79 | const char *bn, *underscore; | |
80 | size_t m; | |
81 | ||
82 | bn = basename(path); | |
83 | ||
84 | underscore = strchr(bn, '_'); | |
85 | if (underscore) | |
86 | m = underscore - bn; | |
87 | else { | |
88 | const char *e; | |
89 | ||
90 | e = endswith(bn, ".raw"); | |
91 | if (!e) | |
92 | e = strchr(bn, 0); | |
93 | ||
94 | m = e - bn; | |
95 | } | |
96 | ||
97 | name = strndup(bn, m); | |
98 | if (!name) | |
99 | return -ENOMEM; | |
100 | ||
101 | /* A slightly reduced version of what's permitted in unit names. With ':' and '\' are removed, as well as '_' | |
102 | * which we use as delimiter for the second part of the image string, which we ignore for now. */ | |
103 | if (!in_charset(name, DIGITS LETTERS "-.")) | |
104 | return -EINVAL; | |
105 | ||
106 | if (!filename_is_valid(name)) | |
107 | return -EINVAL; | |
108 | ||
810aa425 | 109 | *ret = TAKE_PTR(name); |
61d0578b LP |
110 | |
111 | return 0; | |
112 | } | |
113 | ||
114 | static int determine_matches(const char *image, char **l, bool allow_any, char ***ret) { | |
66c9dfdd | 115 | _cleanup_strv_free_ char **k = NULL; |
61d0578b LP |
116 | int r; |
117 | ||
118 | /* Determine the matches to apply. If the list is empty we derive the match from the image name. If the list | |
119 | * contains exactly the "-" we return a wildcard list (which is the empty list), but only if this is expressly | |
120 | * permitted. */ | |
121 | ||
122 | if (strv_isempty(l)) { | |
123 | char *prefix; | |
124 | ||
125 | r = extract_prefix(image, &prefix); | |
126 | if (r < 0) | |
127 | return log_error_errno(r, "Failed to extract prefix of image name '%s': %m", image); | |
128 | ||
129 | if (!arg_quiet) | |
130 | log_info("(Matching unit files with prefix '%s'.)", prefix); | |
131 | ||
61d0578b LP |
132 | r = strv_consume(&k, prefix); |
133 | if (r < 0) | |
134 | return log_oom(); | |
135 | ||
136 | } else if (strv_equal(l, STRV_MAKE("-"))) { | |
137 | ||
baaa35ad ZJS |
138 | if (!allow_any) |
139 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
140 | "Refusing all unit file match."); | |
61d0578b LP |
141 | |
142 | if (!arg_quiet) | |
143 | log_info("(Matching all unit files.)"); | |
61d0578b | 144 | } else { |
61d0578b LP |
145 | |
146 | k = strv_copy(l); | |
147 | if (!k) | |
148 | return log_oom(); | |
149 | ||
21cffed7 LP |
150 | if (!arg_quiet) { |
151 | _cleanup_free_ char *joined = NULL; | |
152 | ||
153 | joined = strv_join(k, "', '"); | |
154 | if (!joined) | |
155 | return log_oom(); | |
61d0578b | 156 | |
61d0578b | 157 | log_info("(Matching unit files with prefixes '%s'.)", joined); |
21cffed7 | 158 | } |
61d0578b LP |
159 | } |
160 | ||
66c9dfdd | 161 | *ret = TAKE_PTR(k); |
61d0578b LP |
162 | |
163 | return 0; | |
164 | } | |
165 | ||
166 | static int acquire_bus(sd_bus **bus) { | |
167 | int r; | |
168 | ||
169 | assert(bus); | |
170 | ||
171 | if (*bus) | |
172 | return 0; | |
173 | ||
174 | r = bus_connect_transport(arg_transport, arg_host, false, bus); | |
175 | if (r < 0) | |
176 | return log_error_errno(r, "Failed to connect to bus: %m"); | |
177 | ||
178 | (void) sd_bus_set_allow_interactive_authorization(*bus, arg_ask_password); | |
179 | ||
180 | return 0; | |
181 | } | |
182 | ||
183 | static int maybe_reload(sd_bus **bus) { | |
184 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
185 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
186 | int r; | |
187 | ||
188 | if (!arg_reload) | |
189 | return 0; | |
190 | ||
191 | r = acquire_bus(bus); | |
192 | if (r < 0) | |
193 | return r; | |
194 | ||
195 | r = sd_bus_message_new_method_call( | |
196 | *bus, | |
197 | &m, | |
198 | "org.freedesktop.systemd1", | |
199 | "/org/freedesktop/systemd1", | |
200 | "org.freedesktop.systemd1.Manager", | |
201 | "Reload"); | |
202 | if (r < 0) | |
203 | return bus_log_create_error(r); | |
204 | ||
205 | /* Reloading the daemon may take long, hence set a longer timeout here */ | |
206 | r = sd_bus_call(*bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL); | |
207 | if (r < 0) | |
208 | return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r)); | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
213 | static int inspect_image(int argc, char *argv[], void *userdata) { | |
214 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
215 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
216 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
217 | _cleanup_strv_free_ char **matches = NULL; | |
218 | _cleanup_free_ char *image = NULL; | |
219 | bool nl = false, header = false; | |
220 | const void *data; | |
221 | const char *path; | |
222 | size_t sz; | |
223 | int r; | |
224 | ||
225 | r = determine_image(argv[1], false, &image); | |
226 | if (r < 0) | |
227 | return r; | |
228 | ||
229 | r = determine_matches(argv[1], argv + 2, true, &matches); | |
230 | if (r < 0) | |
231 | return r; | |
232 | ||
233 | r = acquire_bus(&bus); | |
234 | if (r < 0) | |
235 | return r; | |
236 | ||
237 | r = sd_bus_message_new_method_call( | |
238 | bus, | |
239 | &m, | |
240 | "org.freedesktop.portable1", | |
241 | "/org/freedesktop/portable1", | |
242 | "org.freedesktop.portable1.Manager", | |
243 | "GetImageMetadata"); | |
244 | if (r < 0) | |
245 | return bus_log_create_error(r); | |
246 | ||
247 | r = sd_bus_message_append(m, "s", image); | |
248 | if (r < 0) | |
249 | return bus_log_create_error(r); | |
250 | ||
251 | r = sd_bus_message_append_strv(m, matches); | |
252 | if (r < 0) | |
253 | return bus_log_create_error(r); | |
254 | ||
255 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
256 | if (r < 0) | |
257 | return log_error_errno(r, "Failed to inspect image metadata: %s", bus_error_message(&error, r)); | |
258 | ||
259 | r = sd_bus_message_read(reply, "s", &path); | |
260 | if (r < 0) | |
261 | return bus_log_parse_error(r); | |
262 | ||
263 | r = sd_bus_message_read_array(reply, 'y', &data, &sz); | |
264 | if (r < 0) | |
265 | return bus_log_parse_error(r); | |
266 | ||
0221d68a | 267 | (void) pager_open(arg_pager_flags); |
61d0578b LP |
268 | |
269 | if (arg_cat) { | |
270 | printf("%s-- OS Release: --%s\n", ansi_highlight(), ansi_normal()); | |
271 | fwrite(data, sz, 1, stdout); | |
272 | fflush(stdout); | |
273 | nl = true; | |
274 | } else { | |
8d93d7d8 | 275 | _cleanup_free_ char *pretty_portable = NULL, *pretty_os = NULL; |
61d0578b LP |
276 | _cleanup_fclose_ FILE *f; |
277 | ||
673a1e6f | 278 | f = fmemopen_unlocked((void*) data, sz, "re"); |
61d0578b LP |
279 | if (!f) |
280 | return log_error_errno(errno, "Failed to open /etc/os-release buffer: %m"); | |
281 | ||
aa8fbc74 | 282 | r = parse_env_file(f, "/etc/os-release", |
61d0578b | 283 | "PORTABLE_PRETTY_NAME", &pretty_portable, |
13df9c39 | 284 | "PRETTY_NAME", &pretty_os); |
61d0578b LP |
285 | if (r < 0) |
286 | return log_error_errno(r, "Failed to parse /etc/os-release: %m"); | |
287 | ||
288 | printf("Image:\n\t%s\n" | |
289 | "Portable Service:\n\t%s\n" | |
290 | "Operating System:\n\t%s\n", | |
291 | path, | |
292 | strna(pretty_portable), | |
293 | strna(pretty_os)); | |
294 | } | |
295 | ||
296 | r = sd_bus_message_enter_container(reply, 'a', "{say}"); | |
297 | if (r < 0) | |
298 | return bus_log_parse_error(r); | |
299 | ||
300 | for (;;) { | |
301 | const char *name; | |
302 | ||
303 | r = sd_bus_message_enter_container(reply, 'e', "say"); | |
304 | if (r < 0) | |
305 | return bus_log_parse_error(r); | |
306 | if (r == 0) | |
307 | break; | |
308 | ||
309 | r = sd_bus_message_read(reply, "s", &name); | |
310 | if (r < 0) | |
311 | return bus_log_parse_error(r); | |
312 | ||
313 | r = sd_bus_message_read_array(reply, 'y', &data, &sz); | |
314 | if (r < 0) | |
315 | return bus_log_parse_error(r); | |
316 | ||
317 | if (arg_cat) { | |
318 | if (nl) | |
319 | fputc('\n', stdout); | |
320 | ||
321 | printf("%s-- Unit file: %s --%s\n", ansi_highlight(), name, ansi_normal()); | |
322 | fwrite(data, sz, 1, stdout); | |
323 | fflush(stdout); | |
324 | nl = true; | |
325 | } else { | |
326 | if (!header) { | |
327 | fputs("Unit files:\n", stdout); | |
328 | header = true; | |
329 | } | |
330 | ||
331 | fputc('\t', stdout); | |
332 | fputs(name, stdout); | |
333 | fputc('\n', stdout); | |
334 | } | |
335 | ||
336 | r = sd_bus_message_exit_container(reply); | |
337 | if (r < 0) | |
338 | return bus_log_parse_error(r); | |
339 | } | |
340 | ||
341 | r = sd_bus_message_exit_container(reply); | |
342 | if (r < 0) | |
343 | return bus_log_parse_error(r); | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
348 | static int print_changes(sd_bus_message *m) { | |
349 | int r; | |
350 | ||
351 | if (arg_quiet) | |
352 | return 0; | |
353 | ||
354 | r = sd_bus_message_enter_container(m, 'a', "(sss)"); | |
355 | if (r < 0) | |
356 | return bus_log_parse_error(r); | |
357 | ||
358 | for (;;) { | |
359 | const char *type, *path, *source; | |
360 | ||
361 | r = sd_bus_message_read(m, "(sss)", &type, &path, &source); | |
362 | if (r < 0) | |
363 | return bus_log_parse_error(r); | |
364 | if (r == 0) | |
365 | break; | |
366 | ||
367 | if (streq(type, "symlink")) | |
9a6f746f | 368 | log_info("Created symlink %s %s %s.", path, special_glyph(SPECIAL_GLYPH_ARROW), source); |
61d0578b LP |
369 | else if (streq(type, "copy")) { |
370 | if (isempty(source)) | |
371 | log_info("Copied %s.", path); | |
372 | else | |
9a6f746f | 373 | log_info("Copied %s %s %s.", source, special_glyph(SPECIAL_GLYPH_ARROW), path); |
61d0578b LP |
374 | } else if (streq(type, "unlink")) |
375 | log_info("Removed %s.", path); | |
376 | else if (streq(type, "write")) | |
377 | log_info("Written %s.", path); | |
378 | else if (streq(type, "mkdir")) | |
379 | log_info("Created directory %s.", path); | |
380 | else | |
381 | log_error("Unexpected change: %s/%s/%s", type, path, source); | |
382 | } | |
383 | ||
384 | r = sd_bus_message_exit_container(m); | |
385 | if (r < 0) | |
386 | return r; | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | static int attach_image(int argc, char *argv[], void *userdata) { | |
392 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
393 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
394 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
395 | _cleanup_strv_free_ char **matches = NULL; | |
396 | _cleanup_free_ char *image = NULL; | |
397 | int r; | |
398 | ||
399 | r = determine_image(argv[1], false, &image); | |
400 | if (r < 0) | |
401 | return r; | |
402 | ||
403 | r = determine_matches(argv[1], argv + 2, false, &matches); | |
404 | if (r < 0) | |
405 | return r; | |
406 | ||
407 | r = acquire_bus(&bus); | |
408 | if (r < 0) | |
409 | return r; | |
410 | ||
411 | (void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
412 | ||
413 | r = sd_bus_message_new_method_call( | |
414 | bus, | |
415 | &m, | |
416 | "org.freedesktop.portable1", | |
417 | "/org/freedesktop/portable1", | |
418 | "org.freedesktop.portable1.Manager", | |
419 | "AttachImage"); | |
420 | if (r < 0) | |
421 | return bus_log_create_error(r); | |
422 | ||
423 | r = sd_bus_message_append(m, "s", image); | |
424 | if (r < 0) | |
425 | return bus_log_create_error(r); | |
426 | ||
427 | r = sd_bus_message_append_strv(m, matches); | |
428 | if (r < 0) | |
429 | return bus_log_create_error(r); | |
430 | ||
431 | r = sd_bus_message_append(m, "sbs", arg_profile, arg_runtime, arg_copy_mode); | |
432 | if (r < 0) | |
433 | return bus_log_create_error(r); | |
434 | ||
435 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
436 | if (r < 0) | |
437 | return log_error_errno(r, "Failed to attach image: %s", bus_error_message(&error, r)); | |
438 | ||
439 | (void) maybe_reload(&bus); | |
440 | ||
441 | print_changes(reply); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | static int detach_image(int argc, char *argv[], void *userdata) { | |
446 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
447 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
448 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
449 | _cleanup_free_ char *image = NULL; | |
450 | int r; | |
451 | ||
452 | r = determine_image(argv[1], true, &image); | |
453 | if (r < 0) | |
454 | return r; | |
455 | ||
456 | r = acquire_bus(&bus); | |
457 | if (r < 0) | |
458 | return r; | |
459 | ||
460 | (void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
461 | ||
462 | r = sd_bus_call_method( | |
463 | bus, | |
464 | "org.freedesktop.portable1", | |
465 | "/org/freedesktop/portable1", | |
466 | "org.freedesktop.portable1.Manager", | |
467 | "DetachImage", | |
468 | &error, | |
469 | &reply, | |
470 | "sb", image, arg_runtime); | |
471 | if (r < 0) | |
472 | return log_error_errno(r, "Failed to detach image: %s", bus_error_message(&error, r)); | |
473 | ||
474 | (void) maybe_reload(&bus); | |
475 | ||
476 | print_changes(reply); | |
477 | return 0; | |
478 | } | |
479 | ||
480 | static int list_images(int argc, char *argv[], void *userdata) { | |
481 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
482 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
483 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
484 | _cleanup_(table_unrefp) Table *table = NULL; | |
485 | int r; | |
486 | ||
487 | r = acquire_bus(&bus); | |
488 | if (r < 0) | |
489 | return r; | |
490 | ||
491 | r = sd_bus_call_method( | |
492 | bus, | |
493 | "org.freedesktop.portable1", | |
494 | "/org/freedesktop/portable1", | |
495 | "org.freedesktop.portable1.Manager", | |
496 | "ListImages", | |
497 | &error, | |
498 | &reply, | |
499 | NULL); | |
500 | if (r < 0) | |
501 | return log_error_errno(r, "Failed to list images: %s", bus_error_message(&error, r)); | |
502 | ||
9969b542 | 503 | table = table_new("name", "type", "ro", "crtime", "mtime", "usage", "state"); |
61d0578b LP |
504 | if (!table) |
505 | return log_oom(); | |
506 | ||
507 | r = sd_bus_message_enter_container(reply, 'a', "(ssbtttso)"); | |
508 | if (r < 0) | |
509 | return bus_log_parse_error(r); | |
510 | ||
511 | for (;;) { | |
31d99bd1 | 512 | const char *name, *type, *state; |
61d0578b LP |
513 | uint64_t crtime, mtime, usage; |
514 | TableCell *cell; | |
515 | bool ro_bool; | |
516 | int ro_int; | |
517 | ||
31d99bd1 | 518 | r = sd_bus_message_read(reply, "(ssbtttso)", &name, &type, &ro_int, &crtime, &mtime, &usage, &state, NULL); |
61d0578b LP |
519 | if (r < 0) |
520 | return bus_log_parse_error(r); | |
521 | if (r == 0) | |
522 | break; | |
523 | ||
524 | r = table_add_many(table, | |
525 | TABLE_STRING, name, | |
526 | TABLE_STRING, type); | |
527 | if (r < 0) | |
528 | return log_error_errno(r, "Failed to add row to table: %m"); | |
529 | ||
530 | ro_bool = ro_int; | |
531 | r = table_add_cell(table, &cell, TABLE_BOOLEAN, &ro_bool); | |
532 | if (r < 0) | |
533 | return log_error_errno(r, "Failed to add row to table: %m"); | |
534 | ||
535 | if (ro_bool) { | |
536 | r = table_set_color(table, cell, ansi_highlight_red()); | |
537 | if (r < 0) | |
538 | return log_error_errno(r, "Failed to set table cell color: %m"); | |
539 | } | |
540 | ||
541 | r = table_add_many(table, | |
542 | TABLE_TIMESTAMP, crtime, | |
543 | TABLE_TIMESTAMP, mtime, | |
544 | TABLE_SIZE, usage); | |
545 | if (r < 0) | |
546 | return log_error_errno(r, "Failed to add row to table: %m"); | |
547 | ||
548 | r = table_add_cell(table, &cell, TABLE_STRING, state); | |
549 | if (r < 0) | |
550 | return log_error_errno(r, "Failed to add row to table: %m"); | |
551 | ||
552 | if (!streq(state, "detached")) { | |
553 | r = table_set_color(table, cell, ansi_highlight_green()); | |
554 | if (r < 0) | |
555 | return log_error_errno(r, "Failed to set table cell color: %m"); | |
556 | } | |
557 | } | |
558 | ||
559 | r = sd_bus_message_exit_container(reply); | |
560 | if (r < 0) | |
561 | return bus_log_parse_error(r); | |
562 | ||
563 | if (table_get_rows(table) > 1) { | |
564 | r = table_set_sort(table, (size_t) 0, (size_t) -1); | |
565 | if (r < 0) | |
566 | return log_error_errno(r, "Failed to sort table: %m"); | |
567 | ||
568 | table_set_header(table, arg_legend); | |
569 | ||
570 | r = table_print(table, NULL); | |
571 | if (r < 0) | |
572 | return log_error_errno(r, "Failed to show table: %m"); | |
573 | } | |
574 | ||
575 | if (arg_legend) { | |
576 | if (table_get_rows(table) > 1) | |
577 | printf("\n%zu images listed.\n", table_get_rows(table) - 1); | |
578 | else | |
579 | printf("No images.\n"); | |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int remove_image(int argc, char *argv[], void *userdata) { | |
586 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
587 | int r, i; | |
588 | ||
589 | r = acquire_bus(&bus); | |
590 | if (r < 0) | |
591 | return r; | |
592 | ||
593 | (void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
594 | ||
595 | for (i = 1; i < argc; i++) { | |
596 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
597 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
598 | ||
599 | r = sd_bus_message_new_method_call( | |
600 | bus, | |
601 | &m, | |
602 | "org.freedesktop.portable1", | |
603 | "/org/freedesktop/portable1", | |
604 | "org.freedesktop.portable1.Manager", | |
605 | "RemoveImage"); | |
606 | if (r < 0) | |
607 | return bus_log_create_error(r); | |
608 | ||
609 | r = sd_bus_message_append(m, "s", argv[i]); | |
610 | if (r < 0) | |
611 | return bus_log_create_error(r); | |
612 | ||
613 | /* This is a slow operation, hence turn off any method call timeouts */ | |
614 | r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL); | |
615 | if (r < 0) | |
616 | return log_error_errno(r, "Could not remove image: %s", bus_error_message(&error, r)); | |
617 | } | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
622 | static int read_only_image(int argc, char *argv[], void *userdata) { | |
623 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
624 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
625 | int b = true, r; | |
626 | ||
627 | if (argc > 2) { | |
628 | b = parse_boolean(argv[2]); | |
629 | if (b < 0) | |
630 | return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]); | |
631 | } | |
632 | ||
633 | r = acquire_bus(&bus); | |
634 | if (r < 0) | |
635 | return r; | |
636 | ||
637 | (void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
638 | ||
639 | r = sd_bus_call_method( | |
640 | bus, | |
641 | "org.freedesktop.portable1", | |
642 | "/org/freedesktop/portable1", | |
643 | "org.freedesktop.portable1.Manager", | |
644 | "MarkImageReadOnly", | |
645 | &error, | |
646 | NULL, | |
647 | "sb", argv[1], b); | |
648 | if (r < 0) | |
649 | return log_error_errno(r, "Could not mark image read-only: %s", bus_error_message(&error, r)); | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
654 | static int set_limit(int argc, char *argv[], void *userdata) { | |
655 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
656 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
657 | uint64_t limit; | |
658 | int r; | |
659 | ||
660 | r = acquire_bus(&bus); | |
661 | if (r < 0) | |
662 | return r; | |
663 | ||
664 | (void) polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
665 | ||
666 | if (STR_IN_SET(argv[argc-1], "-", "none", "infinity")) | |
667 | limit = (uint64_t) -1; | |
668 | else { | |
669 | r = parse_size(argv[argc-1], 1024, &limit); | |
670 | if (r < 0) | |
671 | return log_error_errno(r, "Failed to parse size: %s", argv[argc-1]); | |
672 | } | |
673 | ||
674 | if (argc > 2) | |
675 | /* With two arguments changes the quota limit of the specified image */ | |
676 | r = sd_bus_call_method( | |
677 | bus, | |
678 | "org.freedesktop.portable1", | |
679 | "/org/freedesktop/portable1", | |
680 | "org.freedesktop.portable1.Manager", | |
681 | "SetImageLimit", | |
682 | &error, | |
683 | NULL, | |
684 | "st", argv[1], limit); | |
685 | else | |
686 | /* With one argument changes the pool quota limit */ | |
687 | r = sd_bus_call_method( | |
688 | bus, | |
689 | "org.freedesktop.portable1", | |
690 | "/org/freedesktop/portable1", | |
691 | "org.freedesktop.portable1.Manager", | |
692 | "SetPoolLimit", | |
693 | &error, | |
694 | NULL, | |
695 | "t", limit); | |
696 | ||
697 | if (r < 0) | |
698 | return log_error_errno(r, "Could not set limit: %s", bus_error_message(&error, r)); | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
703 | static int is_image_attached(int argc, char *argv[], void *userdata) { | |
704 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
705 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
706 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
707 | _cleanup_free_ char *image = NULL; | |
708 | const char *state; | |
709 | int r; | |
710 | ||
711 | r = determine_image(argv[1], true, &image); | |
712 | if (r < 0) | |
713 | return r; | |
714 | ||
715 | r = acquire_bus(&bus); | |
716 | if (r < 0) | |
717 | return r; | |
718 | ||
719 | r = sd_bus_call_method( | |
720 | bus, | |
721 | "org.freedesktop.portable1", | |
722 | "/org/freedesktop/portable1", | |
723 | "org.freedesktop.portable1.Manager", | |
724 | "GetImageState", | |
725 | &error, | |
726 | &reply, | |
727 | "s", image); | |
728 | if (r < 0) | |
729 | return log_error_errno(r, "Failed to get image state: %s", bus_error_message(&error, r)); | |
730 | ||
731 | r = sd_bus_message_read(reply, "s", &state); | |
732 | if (r < 0) | |
733 | return r; | |
734 | ||
735 | if (!arg_quiet) | |
736 | puts(state); | |
737 | ||
738 | return streq(state, "detached"); | |
739 | } | |
740 | ||
741 | static int dump_profiles(void) { | |
742 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
743 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
744 | _cleanup_strv_free_ char **l = NULL; | |
61d0578b LP |
745 | char **i; |
746 | int r; | |
747 | ||
748 | r = acquire_bus(&bus); | |
749 | if (r < 0) | |
750 | return r; | |
751 | ||
752 | r = sd_bus_get_property_strv( | |
753 | bus, | |
754 | "org.freedesktop.portable1", | |
755 | "/org/freedesktop/portable1", | |
756 | "org.freedesktop.portable1.Manager", | |
757 | "Profiles", | |
758 | &error, | |
759 | &l); | |
760 | if (r < 0) | |
761 | return log_error_errno(r, "Failed to acquire list of profiles: %s", bus_error_message(&error, r)); | |
762 | ||
763 | if (arg_legend) | |
764 | log_info("Available unit profiles:"); | |
765 | ||
766 | STRV_FOREACH(i, l) { | |
767 | fputs(*i, stdout); | |
768 | fputc('\n', stdout); | |
769 | } | |
770 | ||
771 | return 0; | |
772 | } | |
773 | ||
774 | static int help(int argc, char *argv[], void *userdata) { | |
37ec0fdd LP |
775 | _cleanup_free_ char *link = NULL; |
776 | int r; | |
61d0578b | 777 | |
0221d68a | 778 | (void) pager_open(arg_pager_flags); |
61d0578b | 779 | |
37ec0fdd LP |
780 | r = terminal_urlify_man("portablectl", "1", &link); |
781 | if (r < 0) | |
782 | return log_oom(); | |
783 | ||
61d0578b LP |
784 | printf("%s [OPTIONS...] {COMMAND} ...\n\n" |
785 | "Attach or detach portable services from the local system.\n\n" | |
786 | " -h --help Show this help\n" | |
787 | " --version Show package version\n" | |
788 | " --no-pager Do not pipe output into a pager\n" | |
789 | " --no-legend Do not show the headers and footers\n" | |
790 | " --no-ask-password Do not ask for system passwords\n" | |
791 | " -H --host=[USER@]HOST Operate on remote host\n" | |
792 | " -M --machine=CONTAINER Operate on local container\n" | |
793 | " -q --quiet Suppress informational messages\n" | |
794 | " -p --profile=PROFILE Pick security profile for portable service\n" | |
795 | " --copy=copy|auto|symlink Prefer copying or symlinks if possible\n" | |
796 | " --runtime Attach portable service until next reboot only\n" | |
797 | " --no-reload Don't reload the system and service manager\n" | |
798 | " --cat When inspecting include unit and os-release file\n" | |
799 | " contents\n\n" | |
800 | "Commands:\n" | |
801 | " list List available portable service images\n" | |
802 | " attach NAME|PATH [PREFIX...]\n" | |
803 | " Attach the specified portable service image\n" | |
804 | " detach NAME|PATH Detach the specified portable service image\n" | |
805 | " inspect NAME|PATH [PREFIX...]\n" | |
806 | " Show details of specified portable service image\n" | |
807 | " is-attached NAME|PATH Query if portable service image is attached\n" | |
808 | " read-only NAME|PATH [BOOL] Mark or unmark portable service image read-only\n" | |
809 | " remove NAME|PATH... Remove a portable service image\n" | |
810 | " set-limit [NAME|PATH] Set image or pool size limit (disk quota)\n" | |
37ec0fdd LP |
811 | "\nSee the %s for details.\n" |
812 | , program_invocation_short_name | |
813 | , link | |
814 | ); | |
61d0578b LP |
815 | |
816 | return 0; | |
817 | } | |
818 | ||
819 | static int parse_argv(int argc, char *argv[]) { | |
820 | ||
821 | enum { | |
822 | ARG_VERSION = 0x100, | |
823 | ARG_NO_PAGER, | |
824 | ARG_NO_LEGEND, | |
825 | ARG_NO_ASK_PASSWORD, | |
826 | ARG_COPY, | |
827 | ARG_RUNTIME, | |
828 | ARG_NO_RELOAD, | |
829 | ARG_CAT, | |
830 | }; | |
831 | ||
832 | static const struct option options[] = { | |
833 | { "help", no_argument, NULL, 'h' }, | |
834 | { "version", no_argument, NULL, ARG_VERSION }, | |
835 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
836 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, | |
837 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
838 | { "host", required_argument, NULL, 'H' }, | |
839 | { "machine", required_argument, NULL, 'M' }, | |
840 | { "quiet", no_argument, NULL, 'q' }, | |
841 | { "profile", required_argument, NULL, 'p' }, | |
842 | { "copy", required_argument, NULL, ARG_COPY }, | |
843 | { "runtime", no_argument, NULL, ARG_RUNTIME }, | |
844 | { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, | |
845 | { "cat", no_argument, NULL, ARG_CAT }, | |
846 | {} | |
847 | }; | |
848 | ||
849 | assert(argc >= 0); | |
850 | assert(argv); | |
851 | ||
852 | for (;;) { | |
853 | int c; | |
854 | ||
855 | c = getopt_long(argc, argv, "hH:M:qp:", options, NULL); | |
856 | if (c < 0) | |
857 | break; | |
858 | ||
859 | switch (c) { | |
860 | ||
861 | case 'h': | |
37ec0fdd | 862 | return help(0, NULL, NULL); |
61d0578b LP |
863 | |
864 | case ARG_VERSION: | |
865 | return version(); | |
866 | ||
867 | case ARG_NO_PAGER: | |
0221d68a | 868 | arg_pager_flags |= PAGER_DISABLE; |
61d0578b LP |
869 | break; |
870 | ||
871 | case ARG_NO_LEGEND: | |
872 | arg_legend = false; | |
873 | break; | |
874 | ||
875 | case ARG_NO_ASK_PASSWORD: | |
876 | arg_ask_password = false; | |
877 | break; | |
878 | ||
879 | case 'H': | |
880 | arg_transport = BUS_TRANSPORT_REMOTE; | |
881 | arg_host = optarg; | |
882 | break; | |
883 | ||
884 | case 'M': | |
885 | arg_transport = BUS_TRANSPORT_MACHINE; | |
886 | arg_host = optarg; | |
887 | break; | |
888 | ||
889 | case 'q': | |
890 | arg_quiet = true; | |
891 | break; | |
892 | ||
893 | case 'p': | |
b3c66c44 LP |
894 | if (streq(optarg, "help")) |
895 | return dump_profiles(); | |
896 | ||
baaa35ad ZJS |
897 | if (!filename_is_valid(optarg)) |
898 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
899 | "Unit profile name not valid: %s", optarg); | |
61d0578b | 900 | |
61d0578b LP |
901 | arg_profile = optarg; |
902 | break; | |
903 | ||
904 | case ARG_COPY: | |
905 | if (streq(optarg, "auto")) | |
906 | arg_copy_mode = NULL; | |
907 | else if (STR_IN_SET(optarg, "copy", "symlink")) | |
908 | arg_copy_mode = optarg; | |
f524522b LP |
909 | else if (streq(optarg, "help")) { |
910 | puts("auto\n" | |
911 | "copy\n" | |
912 | "symlink"); | |
913 | return 0; | |
baaa35ad ZJS |
914 | } else |
915 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
916 | "Failed to parse --copy= argument: %s", optarg); | |
61d0578b LP |
917 | |
918 | break; | |
919 | ||
920 | case ARG_RUNTIME: | |
921 | arg_runtime = true; | |
922 | break; | |
923 | ||
924 | case ARG_NO_RELOAD: | |
925 | arg_reload = false; | |
926 | break; | |
927 | ||
928 | case ARG_CAT: | |
929 | arg_cat = true; | |
930 | break; | |
931 | ||
932 | case '?': | |
933 | return -EINVAL; | |
934 | ||
935 | default: | |
936 | assert_not_reached("Unhandled option"); | |
937 | } | |
938 | } | |
939 | ||
940 | return 1; | |
941 | } | |
942 | ||
c55a594e | 943 | static int run(int argc, char *argv[]) { |
61d0578b LP |
944 | static const Verb verbs[] = { |
945 | { "help", VERB_ANY, VERB_ANY, 0, help }, | |
946 | { "list", VERB_ANY, 1, VERB_DEFAULT, list_images }, | |
947 | { "attach", 2, VERB_ANY, 0, attach_image }, | |
948 | { "detach", 2, 2, 0, detach_image }, | |
949 | { "inspect", 2, VERB_ANY, 0, inspect_image }, | |
950 | { "is-attached", 2, 2, 0, is_image_attached }, | |
951 | { "read-only", 2, 3, 0, read_only_image }, | |
952 | { "remove", 2, VERB_ANY, 0, remove_image }, | |
953 | { "set-limit", 3, 3, 0, set_limit }, | |
954 | {} | |
955 | }; | |
956 | ||
957 | int r; | |
958 | ||
1a043959 | 959 | log_show_color(true); |
61d0578b LP |
960 | log_parse_environment(); |
961 | log_open(); | |
962 | ||
963 | r = parse_argv(argc, argv); | |
964 | if (r <= 0) | |
c55a594e | 965 | return r; |
61d0578b | 966 | |
c55a594e | 967 | return dispatch_verb(argc, argv, verbs, NULL); |
61d0578b | 968 | } |
c55a594e ZJS |
969 | |
970 | DEFINE_MAIN_FUNCTION(run); |