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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
61d0578b | 2 | |
ca78ad1d ZJS |
3 | #include <fcntl.h> |
4 | #include <sys/stat.h> | |
5 | #include <sys/types.h> | |
6 | #include <unistd.h> | |
7 | ||
61d0578b LP |
8 | #include "alloc-util.h" |
9 | #include "bus-common-errors.h" | |
40af3d02 | 10 | #include "bus-get-properties.h" |
61d0578b | 11 | #include "bus-label.h" |
3b91bae3 | 12 | #include "bus-object.h" |
269e4d2d | 13 | #include "bus-polkit.h" |
61d0578b | 14 | #include "bus-util.h" |
57f1b61b | 15 | #include "discover-image.h" |
61d0578b LP |
16 | #include "fd-util.h" |
17 | #include "fileio.h" | |
18 | #include "io-util.h" | |
204f52e3 | 19 | #include "missing_capability.h" |
6ef06723 | 20 | #include "os-util.h" |
61d0578b LP |
21 | #include "portable.h" |
22 | #include "portabled-bus.h" | |
23 | #include "portabled-image-bus.h" | |
24 | #include "portabled-image.h" | |
25 | #include "portabled.h" | |
26 | #include "process-util.h" | |
27 | #include "strv.h" | |
28 | #include "user-util.h" | |
29 | ||
30 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, image_type, ImageType); | |
31 | ||
32 | int bus_image_common_get_os_release( | |
33 | Manager *m, | |
34 | sd_bus_message *message, | |
35 | const char *name_or_path, | |
36 | Image *image, | |
37 | sd_bus_error *error) { | |
38 | ||
39 | int r; | |
40 | ||
41 | assert(name_or_path || image); | |
42 | assert(message); | |
43 | ||
44 | if (!m) { | |
45 | assert(image); | |
46 | m = image->userdata; | |
47 | } | |
48 | ||
49 | r = bus_image_acquire(m, | |
50 | message, | |
51 | name_or_path, | |
52 | image, | |
53 | BUS_IMAGE_AUTHENTICATE_BY_PATH, | |
54 | "org.freedesktop.portable1.inspect-images", | |
55 | &image, | |
56 | error); | |
57 | if (r < 0) | |
58 | return r; | |
59 | if (r == 0) /* Will call us back */ | |
60 | return 1; | |
61 | ||
62 | if (!image->metadata_valid) { | |
63 | r = image_read_metadata(image); | |
64 | if (r < 0) | |
65 | return sd_bus_error_set_errnof(error, r, "Failed to read image metadata: %m"); | |
66 | } | |
67 | ||
68 | return bus_reply_pair_array(message, image->os_release); | |
69 | } | |
70 | ||
71 | static int bus_image_method_get_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
72 | return bus_image_common_get_os_release(NULL, message, NULL, userdata, error); | |
73 | } | |
74 | ||
75 | static int append_fd(sd_bus_message *m, PortableMetadata *d) { | |
76 | _cleanup_fclose_ FILE *f = NULL; | |
77 | _cleanup_free_ char *buf = NULL; | |
907952bb | 78 | size_t n = 0; |
61d0578b LP |
79 | int r; |
80 | ||
81 | assert(m); | |
61d0578b | 82 | |
907952bb LB |
83 | if (d) { |
84 | assert(d->fd >= 0); | |
61d0578b | 85 | |
907952bb LB |
86 | f = take_fdopen(&d->fd, "r"); |
87 | if (!f) | |
88 | return -errno; | |
89 | ||
90 | r = read_full_stream(f, &buf, &n); | |
91 | if (r < 0) | |
92 | return r; | |
93 | } | |
61d0578b LP |
94 | |
95 | return sd_bus_message_append_array(m, 'y', buf, n); | |
96 | } | |
97 | ||
98 | int bus_image_common_get_metadata( | |
99 | Manager *m, | |
100 | sd_bus_message *message, | |
101 | const char *name_or_path, | |
102 | Image *image, | |
103 | sd_bus_error *error) { | |
104 | ||
e3f7ed94 | 105 | _cleanup_ordered_hashmap_free_ OrderedHashmap *extension_releases = NULL; |
61d0578b | 106 | _cleanup_(portable_metadata_unrefp) PortableMetadata *os_release = NULL; |
907952bb | 107 | _cleanup_strv_free_ char **matches = NULL, **extension_images = NULL; |
67818055 | 108 | _cleanup_hashmap_free_ Hashmap *unit_files = NULL; |
61d0578b LP |
109 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
110 | _cleanup_free_ PortableMetadata **sorted = NULL; | |
06768b90 | 111 | PortableFlags flags = 0; |
61d0578b LP |
112 | int r; |
113 | ||
114 | assert(name_or_path || image); | |
115 | assert(message); | |
116 | ||
117 | if (!m) { | |
118 | assert(image); | |
119 | m = image->userdata; | |
120 | } | |
121 | ||
087a799f ZJS |
122 | bool have_exti = sd_bus_message_is_method_call(message, NULL, "GetImageMetadataWithExtensions") || |
123 | sd_bus_message_is_method_call(message, NULL, "GetMetadataWithExtensions"); | |
124 | ||
125 | if (have_exti) { | |
907952bb LB |
126 | r = sd_bus_message_read_strv(message, &extension_images); |
127 | if (r < 0) | |
128 | return r; | |
129 | } | |
130 | ||
61d0578b LP |
131 | r = sd_bus_message_read_strv(message, &matches); |
132 | if (r < 0) | |
133 | return r; | |
134 | ||
087a799f | 135 | if (have_exti) { |
e3f7ed94 LB |
136 | uint64_t input_flags = 0; |
137 | ||
907952bb LB |
138 | r = sd_bus_message_read(message, "t", &input_flags); |
139 | if (r < 0) | |
140 | return r; | |
e3f7ed94 LB |
141 | |
142 | if ((input_flags & ~_PORTABLE_MASK_PUBLIC) != 0) | |
907952bb LB |
143 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, |
144 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
145 | input_flags); | |
06768b90 | 146 | flags |= input_flags; |
907952bb LB |
147 | } |
148 | ||
61d0578b LP |
149 | r = bus_image_acquire(m, |
150 | message, | |
151 | name_or_path, | |
152 | image, | |
153 | BUS_IMAGE_AUTHENTICATE_BY_PATH, | |
154 | "org.freedesktop.portable1.inspect-images", | |
155 | &image, | |
156 | error); | |
157 | if (r < 0) | |
158 | return r; | |
159 | if (r == 0) /* Will call us back */ | |
160 | return 1; | |
161 | ||
162 | r = portable_extract( | |
163 | image->path, | |
164 | matches, | |
907952bb | 165 | extension_images, |
06768b90 | 166 | flags, |
61d0578b | 167 | &os_release, |
e3f7ed94 | 168 | &extension_releases, |
61d0578b | 169 | &unit_files, |
8a129c80 | 170 | NULL, |
61d0578b LP |
171 | error); |
172 | if (r < 0) | |
173 | return r; | |
174 | ||
175 | r = portable_metadata_hashmap_to_sorted_array(unit_files, &sorted); | |
176 | if (r < 0) | |
177 | return r; | |
178 | ||
179 | r = sd_bus_message_new_method_return(message, &reply); | |
180 | if (r < 0) | |
181 | return r; | |
182 | ||
183 | r = sd_bus_message_append(reply, "s", image->path); | |
184 | if (r < 0) | |
185 | return r; | |
186 | ||
187 | r = append_fd(reply, os_release); | |
188 | if (r < 0) | |
189 | return r; | |
190 | ||
e3f7ed94 LB |
191 | /* If it was requested, also send back the extension path and the content |
192 | * of each extension-release file. Behind a flag, as it's an incompatible | |
193 | * change. */ | |
087a799f | 194 | if (have_exti) { |
e3f7ed94 LB |
195 | PortableMetadata *extension_release; |
196 | ||
087a799f ZJS |
197 | r = sd_bus_message_open_container(reply, 'a', "{say}"); |
198 | if (r < 0) | |
199 | return r; | |
200 | ||
e3f7ed94 LB |
201 | ORDERED_HASHMAP_FOREACH(extension_release, extension_releases) { |
202 | ||
203 | r = sd_bus_message_open_container(reply, 'e', "say"); | |
204 | if (r < 0) | |
205 | return r; | |
206 | ||
207 | r = sd_bus_message_append(reply, "s", extension_release->image_path); | |
208 | if (r < 0) | |
209 | return r; | |
210 | ||
211 | r = append_fd(reply, extension_release); | |
212 | if (r < 0) | |
213 | return r; | |
214 | ||
215 | r = sd_bus_message_close_container(reply); | |
216 | if (r < 0) | |
217 | return r; | |
218 | } | |
087a799f ZJS |
219 | |
220 | r = sd_bus_message_close_container(reply); | |
221 | if (r < 0) | |
222 | return r; | |
e3f7ed94 LB |
223 | } |
224 | ||
087a799f ZJS |
225 | r = sd_bus_message_open_container(reply, 'a', "{say}"); |
226 | if (r < 0) | |
227 | return r; | |
228 | ||
90e3f358 | 229 | for (size_t i = 0; i < hashmap_size(unit_files); i++) { |
61d0578b | 230 | |
61d0578b LP |
231 | r = sd_bus_message_open_container(reply, 'e', "say"); |
232 | if (r < 0) | |
233 | return r; | |
234 | ||
235 | r = sd_bus_message_append(reply, "s", sorted[i]->name); | |
236 | if (r < 0) | |
237 | return r; | |
238 | ||
239 | r = append_fd(reply, sorted[i]); | |
240 | if (r < 0) | |
241 | return r; | |
242 | ||
243 | r = sd_bus_message_close_container(reply); | |
244 | if (r < 0) | |
245 | return r; | |
246 | } | |
247 | ||
248 | r = sd_bus_message_close_container(reply); | |
249 | if (r < 0) | |
250 | return r; | |
251 | ||
252 | return sd_bus_send(NULL, reply, NULL); | |
253 | } | |
254 | ||
255 | static int bus_image_method_get_metadata(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
256 | return bus_image_common_get_metadata(NULL, message, NULL, userdata, error); | |
257 | } | |
258 | ||
259 | static int bus_image_method_get_state( | |
260 | sd_bus_message *message, | |
261 | void *userdata, | |
262 | sd_bus_error *error) { | |
263 | ||
0017415c | 264 | _cleanup_strv_free_ char **extension_images = NULL; |
99534007 | 265 | Image *image = ASSERT_PTR(userdata); |
61d0578b LP |
266 | PortableState state; |
267 | int r; | |
268 | ||
269 | assert(message); | |
61d0578b | 270 | |
0017415c LB |
271 | if (sd_bus_message_is_method_call(message, NULL, "GetStateWithExtensions")) { |
272 | uint64_t input_flags = 0; | |
273 | ||
274 | r = sd_bus_message_read_strv(message, &extension_images); | |
275 | if (r < 0) | |
276 | return r; | |
277 | ||
278 | r = sd_bus_message_read(message, "t", &input_flags); | |
279 | if (r < 0) | |
280 | return r; | |
281 | ||
282 | /* No flags are supported by this method for now. */ | |
283 | if (input_flags != 0) | |
284 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, | |
285 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
286 | input_flags); | |
287 | } | |
288 | ||
61d0578b LP |
289 | r = portable_get_state( |
290 | sd_bus_message_get_bus(message), | |
291 | image->path, | |
0017415c | 292 | extension_images, |
61d0578b LP |
293 | 0, |
294 | &state, | |
295 | error); | |
296 | if (r < 0) | |
297 | return r; | |
298 | ||
299 | return sd_bus_reply_method_return(message, "s", portable_state_to_string(state)); | |
300 | } | |
301 | ||
302 | int bus_image_common_attach( | |
303 | Manager *m, | |
304 | sd_bus_message *message, | |
305 | const char *name_or_path, | |
306 | Image *image, | |
307 | sd_bus_error *error) { | |
308 | ||
907952bb | 309 | _cleanup_strv_free_ char **matches = NULL, **extension_images = NULL; |
61d0578b LP |
310 | PortableChange *changes = NULL; |
311 | PortableFlags flags = 0; | |
c5a935b0 | 312 | const char *profile, *copy_mode; |
61d0578b | 313 | size_t n_changes = 0; |
907952bb | 314 | int r; |
61d0578b LP |
315 | |
316 | assert(message); | |
317 | assert(name_or_path || image); | |
318 | ||
319 | if (!m) { | |
320 | assert(image); | |
321 | m = image->userdata; | |
322 | } | |
323 | ||
907952bb LB |
324 | if (sd_bus_message_is_method_call(message, NULL, "AttachImageWithExtensions") || |
325 | sd_bus_message_is_method_call(message, NULL, "AttachWithExtensions")) { | |
326 | r = sd_bus_message_read_strv(message, &extension_images); | |
327 | if (r < 0) | |
328 | return r; | |
329 | } | |
330 | ||
61d0578b LP |
331 | r = sd_bus_message_read_strv(message, &matches); |
332 | if (r < 0) | |
333 | return r; | |
334 | ||
907952bb | 335 | r = sd_bus_message_read(message, "s", &profile); |
61d0578b LP |
336 | if (r < 0) |
337 | return r; | |
338 | ||
907952bb LB |
339 | if (sd_bus_message_is_method_call(message, NULL, "AttachImageWithExtensions") || |
340 | sd_bus_message_is_method_call(message, NULL, "AttachWithExtensions")) { | |
341 | uint64_t input_flags = 0; | |
342 | ||
343 | r = sd_bus_message_read(message, "st", ©_mode, &input_flags); | |
344 | if (r < 0) | |
345 | return r; | |
346 | if ((input_flags & ~_PORTABLE_MASK_PUBLIC) != 0) | |
347 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, | |
348 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
349 | input_flags); | |
350 | flags |= input_flags; | |
351 | } else { | |
352 | int runtime; | |
353 | ||
354 | r = sd_bus_message_read(message, "bs", &runtime, ©_mode); | |
355 | if (r < 0) | |
356 | return r; | |
357 | ||
358 | if (runtime) | |
359 | flags |= PORTABLE_RUNTIME; | |
360 | } | |
361 | ||
61d0578b LP |
362 | if (streq(copy_mode, "symlink")) |
363 | flags |= PORTABLE_PREFER_SYMLINK; | |
364 | else if (streq(copy_mode, "copy")) | |
365 | flags |= PORTABLE_PREFER_COPY; | |
366 | else if (!isempty(copy_mode)) | |
367 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, "Unknown copy mode '%s'", copy_mode); | |
368 | ||
61d0578b LP |
369 | r = bus_image_acquire(m, |
370 | message, | |
371 | name_or_path, | |
372 | image, | |
373 | BUS_IMAGE_AUTHENTICATE_ALL, | |
374 | "org.freedesktop.portable1.attach-images", | |
375 | &image, | |
376 | error); | |
377 | if (r < 0) | |
378 | return r; | |
379 | if (r == 0) /* Will call us back */ | |
380 | return 1; | |
381 | ||
382 | r = portable_attach( | |
383 | sd_bus_message_get_bus(message), | |
384 | image->path, | |
385 | matches, | |
386 | profile, | |
907952bb | 387 | extension_images, |
61d0578b LP |
388 | flags, |
389 | &changes, | |
390 | &n_changes, | |
391 | error); | |
392 | if (r < 0) | |
393 | goto finish; | |
394 | ||
395 | r = reply_portable_changes(message, changes, n_changes); | |
396 | ||
397 | finish: | |
398 | portable_changes_free(changes, n_changes); | |
399 | return r; | |
400 | } | |
401 | ||
402 | static int bus_image_method_attach(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
403 | return bus_image_common_attach(NULL, message, NULL, userdata, error); | |
404 | } | |
405 | ||
406 | static int bus_image_method_detach( | |
407 | sd_bus_message *message, | |
408 | void *userdata, | |
409 | sd_bus_error *error) { | |
410 | ||
907952bb | 411 | _cleanup_strv_free_ char **extension_images = NULL; |
61d0578b | 412 | PortableChange *changes = NULL; |
99534007 DT |
413 | Image *image = ASSERT_PTR(userdata); |
414 | Manager *m = ASSERT_PTR(image->userdata); | |
907952bb | 415 | PortableFlags flags = 0; |
61d0578b | 416 | size_t n_changes = 0; |
907952bb | 417 | int r; |
61d0578b LP |
418 | |
419 | assert(message); | |
61d0578b | 420 | |
907952bb LB |
421 | if (sd_bus_message_is_method_call(message, NULL, "DetachWithExtensions")) { |
422 | r = sd_bus_message_read_strv(message, &extension_images); | |
423 | if (r < 0) | |
424 | return r; | |
425 | } | |
426 | ||
427 | if (sd_bus_message_is_method_call(message, NULL, "DetachWithExtensions")) { | |
428 | uint64_t input_flags = 0; | |
429 | ||
430 | r = sd_bus_message_read(message, "t", &input_flags); | |
431 | if (r < 0) | |
432 | return r; | |
433 | ||
434 | if ((input_flags & ~_PORTABLE_MASK_PUBLIC) != 0) | |
435 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, | |
436 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
437 | input_flags); | |
438 | flags |= input_flags; | |
439 | } else { | |
440 | int runtime; | |
441 | ||
442 | r = sd_bus_message_read(message, "b", &runtime); | |
443 | if (r < 0) | |
444 | return r; | |
445 | ||
446 | if (runtime) | |
447 | flags |= PORTABLE_RUNTIME; | |
448 | } | |
61d0578b LP |
449 | |
450 | r = bus_verify_polkit_async( | |
451 | message, | |
452 | CAP_SYS_ADMIN, | |
453 | "org.freedesktop.portable1.attach-images", | |
454 | NULL, | |
455 | false, | |
456 | UID_INVALID, | |
457 | &m->polkit_registry, | |
458 | error); | |
459 | if (r < 0) | |
460 | return r; | |
461 | if (r == 0) | |
462 | return 1; /* Will call us back */ | |
463 | ||
464 | r = portable_detach( | |
465 | sd_bus_message_get_bus(message), | |
466 | image->path, | |
907952bb LB |
467 | extension_images, |
468 | flags, | |
61d0578b LP |
469 | &changes, |
470 | &n_changes, | |
471 | error); | |
472 | if (r < 0) | |
473 | goto finish; | |
474 | ||
475 | r = reply_portable_changes(message, changes, n_changes); | |
476 | ||
477 | finish: | |
478 | portable_changes_free(changes, n_changes); | |
479 | return r; | |
480 | } | |
481 | ||
482 | int bus_image_common_remove( | |
483 | Manager *m, | |
484 | sd_bus_message *message, | |
485 | const char *name_or_path, | |
486 | Image *image, | |
487 | sd_bus_error *error) { | |
488 | ||
19ee48a6 | 489 | _cleanup_close_pair_ int errno_pipe_fd[2] = PIPE_EBADF; |
61d0578b LP |
490 | _cleanup_(sigkill_waitp) pid_t child = 0; |
491 | PortableState state; | |
492 | int r; | |
493 | ||
494 | assert(message); | |
495 | assert(name_or_path || image); | |
496 | ||
497 | if (!m) { | |
498 | assert(image); | |
499 | m = image->userdata; | |
500 | } | |
501 | ||
502 | if (m->n_operations >= OPERATIONS_MAX) | |
1b09b81c | 503 | return sd_bus_error_set(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); |
61d0578b LP |
504 | |
505 | r = bus_image_acquire(m, | |
506 | message, | |
507 | name_or_path, | |
508 | image, | |
509 | BUS_IMAGE_AUTHENTICATE_ALL, | |
510 | "org.freedesktop.portable1.manage-images", | |
511 | &image, | |
512 | error); | |
513 | if (r < 0) | |
514 | return r; | |
515 | if (r == 0) | |
516 | return 1; /* Will call us back */ | |
517 | ||
518 | r = portable_get_state( | |
519 | sd_bus_message_get_bus(message), | |
520 | image->path, | |
0017415c | 521 | NULL, |
61d0578b LP |
522 | 0, |
523 | &state, | |
524 | error); | |
525 | if (r < 0) | |
526 | return r; | |
527 | ||
528 | if (state != PORTABLE_DETACHED) | |
529 | return sd_bus_error_set_errnof(error, EBUSY, "Image '%s' is not detached, refusing.", image->path); | |
530 | ||
531 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) | |
532 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
533 | ||
534 | r = safe_fork("(sd-imgrm)", FORK_RESET_SIGNALS, &child); | |
535 | if (r < 0) | |
536 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
537 | if (r == 0) { | |
538 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); | |
539 | ||
540 | r = image_remove(image); | |
541 | if (r < 0) { | |
542 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
543 | _exit(EXIT_FAILURE); | |
544 | } | |
545 | ||
546 | _exit(EXIT_SUCCESS); | |
547 | } | |
548 | ||
549 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); | |
550 | ||
551 | r = operation_new(m, child, message, errno_pipe_fd[0], NULL); | |
552 | if (r < 0) | |
553 | return r; | |
554 | ||
555 | child = 0; | |
254d1313 | 556 | errno_pipe_fd[0] = -EBADF; |
61d0578b LP |
557 | |
558 | return 1; | |
559 | } | |
560 | ||
561 | static int bus_image_method_remove(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
562 | return bus_image_common_remove(NULL, message, NULL, userdata, error); | |
563 | } | |
564 | ||
e26fe5f9 LB |
565 | /* Given two PortableChange arrays, return a new array that has all elements of the first that are |
566 | * not also present in the second, comparing the basename of the path values. */ | |
567 | static int normalize_portable_changes( | |
568 | const PortableChange *changes_attached, | |
569 | size_t n_changes_attached, | |
570 | const PortableChange *changes_detached, | |
571 | size_t n_changes_detached, | |
572 | PortableChange **ret_changes, | |
573 | size_t *ret_n_changes) { | |
574 | ||
575 | PortableChange *changes = NULL; | |
576 | size_t n_changes = 0; | |
e26fe5f9 LB |
577 | |
578 | assert(ret_n_changes); | |
579 | assert(ret_changes); | |
580 | ||
581 | if (n_changes_detached == 0) | |
582 | return 0; /* Nothing to do */ | |
583 | ||
584 | changes = new0(PortableChange, n_changes_attached + n_changes_detached); | |
585 | if (!changes) | |
586 | return -ENOMEM; | |
587 | ||
8c2d0d3a LP |
588 | CLEANUP_ARRAY(changes, n_changes, portable_changes_free); |
589 | ||
e26fe5f9 LB |
590 | /* Corner case: only detached, nothing attached */ |
591 | if (n_changes_attached == 0) { | |
592 | memcpy(changes, changes_detached, sizeof(PortableChange) * n_changes_detached); | |
593 | *ret_changes = TAKE_PTR(changes); | |
594 | *ret_n_changes = n_changes_detached; | |
e26fe5f9 LB |
595 | return 0; |
596 | } | |
597 | ||
598 | for (size_t i = 0; i < n_changes_detached; ++i) { | |
599 | bool found = false; | |
600 | ||
601 | for (size_t j = 0; j < n_changes_attached; ++j) | |
602 | if (streq(basename(changes_detached[i].path), basename(changes_attached[j].path))) { | |
603 | found = true; | |
604 | break; | |
605 | } | |
606 | ||
607 | if (!found) { | |
608 | _cleanup_free_ char *path = NULL, *source = NULL; | |
609 | ||
610 | path = strdup(changes_detached[i].path); | |
8c2d0d3a LP |
611 | if (!path) |
612 | return -ENOMEM; | |
e26fe5f9 LB |
613 | |
614 | if (changes_detached[i].source) { | |
615 | source = strdup(changes_detached[i].source); | |
8c2d0d3a LP |
616 | if (!source) |
617 | return -ENOMEM; | |
e26fe5f9 LB |
618 | } |
619 | ||
620 | changes[n_changes++] = (PortableChange) { | |
ba5b6c59 | 621 | .type_or_errno = changes_detached[i].type_or_errno, |
e26fe5f9 LB |
622 | .path = TAKE_PTR(path), |
623 | .source = TAKE_PTR(source), | |
624 | }; | |
625 | } | |
626 | } | |
627 | ||
628 | *ret_n_changes = n_changes; | |
629 | *ret_changes = TAKE_PTR(changes); | |
630 | ||
631 | return 0; | |
e26fe5f9 LB |
632 | } |
633 | ||
634 | int bus_image_common_reattach( | |
635 | Manager *m, | |
636 | sd_bus_message *message, | |
637 | const char *name_or_path, | |
638 | Image *image, | |
639 | sd_bus_error *error) { | |
640 | ||
641 | PortableChange *changes_detached = NULL, *changes_attached = NULL, *changes_gone = NULL; | |
642 | size_t n_changes_detached = 0, n_changes_attached = 0, n_changes_gone = 0; | |
907952bb | 643 | _cleanup_strv_free_ char **matches = NULL, **extension_images = NULL; |
e26fe5f9 LB |
644 | PortableFlags flags = PORTABLE_REATTACH; |
645 | const char *profile, *copy_mode; | |
907952bb | 646 | int r; |
e26fe5f9 LB |
647 | |
648 | assert(message); | |
649 | assert(name_or_path || image); | |
650 | ||
651 | if (!m) { | |
652 | assert(image); | |
653 | m = image->userdata; | |
654 | } | |
655 | ||
907952bb LB |
656 | if (sd_bus_message_is_method_call(message, NULL, "ReattachImageWithExtensions") || |
657 | sd_bus_message_is_method_call(message, NULL, "ReattachWithExtensions")) { | |
658 | r = sd_bus_message_read_strv(message, &extension_images); | |
659 | if (r < 0) | |
660 | return r; | |
661 | } | |
662 | ||
e26fe5f9 LB |
663 | r = sd_bus_message_read_strv(message, &matches); |
664 | if (r < 0) | |
665 | return r; | |
666 | ||
907952bb | 667 | r = sd_bus_message_read(message, "s", &profile); |
e26fe5f9 LB |
668 | if (r < 0) |
669 | return r; | |
670 | ||
907952bb LB |
671 | if (sd_bus_message_is_method_call(message, NULL, "ReattachImageWithExtensions") || |
672 | sd_bus_message_is_method_call(message, NULL, "ReattachWithExtensions")) { | |
673 | uint64_t input_flags = 0; | |
674 | ||
675 | r = sd_bus_message_read(message, "st", ©_mode, &input_flags); | |
676 | if (r < 0) | |
677 | return r; | |
678 | ||
679 | if ((input_flags & ~_PORTABLE_MASK_PUBLIC) != 0) | |
680 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, | |
681 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
682 | input_flags); | |
683 | flags |= input_flags; | |
684 | } else { | |
685 | int runtime; | |
686 | ||
687 | r = sd_bus_message_read(message, "bs", &runtime, ©_mode); | |
688 | if (r < 0) | |
689 | return r; | |
690 | ||
691 | if (runtime) | |
692 | flags |= PORTABLE_RUNTIME; | |
693 | } | |
694 | ||
e26fe5f9 LB |
695 | if (streq(copy_mode, "symlink")) |
696 | flags |= PORTABLE_PREFER_SYMLINK; | |
697 | else if (streq(copy_mode, "copy")) | |
698 | flags |= PORTABLE_PREFER_COPY; | |
699 | else if (!isempty(copy_mode)) | |
700 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, "Unknown copy mode '%s'", copy_mode); | |
701 | ||
e26fe5f9 LB |
702 | r = bus_image_acquire(m, |
703 | message, | |
704 | name_or_path, | |
705 | image, | |
706 | BUS_IMAGE_AUTHENTICATE_ALL, | |
707 | "org.freedesktop.portable1.attach-images", | |
708 | &image, | |
709 | error); | |
710 | if (r < 0) | |
711 | return r; | |
712 | if (r == 0) /* Will call us back */ | |
713 | return 1; | |
714 | ||
715 | r = portable_detach( | |
716 | sd_bus_message_get_bus(message), | |
717 | image->path, | |
907952bb | 718 | extension_images, |
e26fe5f9 LB |
719 | flags, |
720 | &changes_detached, | |
721 | &n_changes_detached, | |
722 | error); | |
723 | if (r < 0) | |
724 | goto finish; | |
725 | ||
726 | r = portable_attach( | |
727 | sd_bus_message_get_bus(message), | |
728 | image->path, | |
729 | matches, | |
730 | profile, | |
907952bb | 731 | extension_images, |
e26fe5f9 LB |
732 | flags, |
733 | &changes_attached, | |
734 | &n_changes_attached, | |
735 | error); | |
736 | if (r < 0) | |
737 | goto finish; | |
738 | ||
739 | /* We want to return the list of units really removed by the detach, | |
740 | * and not added again by the attach */ | |
741 | r = normalize_portable_changes(changes_attached, n_changes_attached, | |
742 | changes_detached, n_changes_detached, | |
743 | &changes_gone, &n_changes_gone); | |
744 | if (r < 0) | |
745 | goto finish; | |
746 | ||
747 | /* First, return the units that are gone (so that the caller can stop them) | |
748 | * Then, return the units that are changed/added (so that the caller can | |
749 | * start/restart/enable them) */ | |
750 | r = reply_portable_changes_pair(message, | |
751 | changes_gone, n_changes_gone, | |
752 | changes_attached, n_changes_attached); | |
753 | if (r < 0) | |
754 | goto finish; | |
755 | ||
756 | finish: | |
757 | portable_changes_free(changes_detached, n_changes_detached); | |
758 | portable_changes_free(changes_attached, n_changes_attached); | |
759 | portable_changes_free(changes_gone, n_changes_gone); | |
760 | return r; | |
761 | } | |
762 | ||
763 | static int bus_image_method_reattach(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
764 | return bus_image_common_reattach(NULL, message, NULL, userdata, error); | |
765 | } | |
766 | ||
61d0578b LP |
767 | int bus_image_common_mark_read_only( |
768 | Manager *m, | |
769 | sd_bus_message *message, | |
770 | const char *name_or_path, | |
771 | Image *image, | |
772 | sd_bus_error *error) { | |
773 | ||
774 | int r, read_only; | |
775 | ||
776 | assert(message); | |
777 | assert(name_or_path || image); | |
778 | ||
779 | if (!m) { | |
780 | assert(image); | |
781 | m = image->userdata; | |
782 | } | |
783 | ||
784 | r = sd_bus_message_read(message, "b", &read_only); | |
785 | if (r < 0) | |
786 | return r; | |
787 | ||
788 | r = bus_image_acquire(m, | |
789 | message, | |
790 | name_or_path, | |
791 | image, | |
792 | BUS_IMAGE_AUTHENTICATE_ALL, | |
793 | "org.freedesktop.portable1.manage-images", | |
794 | &image, | |
795 | error); | |
796 | if (r < 0) | |
797 | return r; | |
798 | if (r == 0) | |
799 | return 1; /* Will call us back */ | |
800 | ||
801 | r = image_read_only(image, read_only); | |
802 | if (r < 0) | |
803 | return r; | |
804 | ||
805 | return sd_bus_reply_method_return(message, NULL); | |
806 | } | |
807 | ||
808 | static int bus_image_method_mark_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
809 | return bus_image_common_mark_read_only(NULL, message, NULL, userdata, error); | |
810 | } | |
811 | ||
812 | int bus_image_common_set_limit( | |
813 | Manager *m, | |
814 | sd_bus_message *message, | |
815 | const char *name_or_path, | |
816 | Image *image, | |
817 | sd_bus_error *error) { | |
818 | ||
819 | uint64_t limit; | |
820 | int r; | |
821 | ||
822 | assert(message); | |
823 | assert(name_or_path || image); | |
824 | ||
825 | if (!m) { | |
826 | assert(image); | |
827 | m = image->userdata; | |
828 | } | |
829 | ||
830 | r = sd_bus_message_read(message, "t", &limit); | |
831 | if (r < 0) | |
832 | return r; | |
833 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) | |
1b09b81c | 834 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); |
61d0578b LP |
835 | |
836 | r = bus_image_acquire(m, | |
837 | message, | |
838 | name_or_path, | |
839 | image, | |
840 | BUS_IMAGE_AUTHENTICATE_ALL, | |
841 | "org.freedesktop.portable1.manage-images", | |
842 | &image, | |
843 | error); | |
844 | if (r < 0) | |
845 | return r; | |
846 | if (r == 0) | |
847 | return 1; /* Will call us back */ | |
848 | ||
849 | r = image_set_limit(image, limit); | |
850 | if (r < 0) | |
851 | return r; | |
852 | ||
853 | return sd_bus_reply_method_return(message, NULL); | |
854 | } | |
855 | ||
856 | static int bus_image_method_set_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
857 | return bus_image_common_set_limit(NULL, message, NULL, userdata, error); | |
858 | } | |
859 | ||
860 | const sd_bus_vtable image_vtable[] = { | |
861 | SD_BUS_VTABLE_START(0), | |
862 | SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Image, name), 0), | |
863 | SD_BUS_PROPERTY("Path", "s", NULL, offsetof(Image, path), 0), | |
864 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Image, type), 0), | |
865 | SD_BUS_PROPERTY("ReadOnly", "b", bus_property_get_bool, offsetof(Image, read_only), 0), | |
866 | SD_BUS_PROPERTY("CreationTimestamp", "t", NULL, offsetof(Image, crtime), 0), | |
867 | SD_BUS_PROPERTY("ModificationTimestamp", "t", NULL, offsetof(Image, mtime), 0), | |
868 | SD_BUS_PROPERTY("Usage", "t", NULL, offsetof(Image, usage), 0), | |
869 | SD_BUS_PROPERTY("Limit", "t", NULL, offsetof(Image, limit), 0), | |
870 | SD_BUS_PROPERTY("UsageExclusive", "t", NULL, offsetof(Image, usage_exclusive), 0), | |
871 | SD_BUS_PROPERTY("LimitExclusive", "t", NULL, offsetof(Image, limit_exclusive), 0), | |
598f938e LB |
872 | SD_BUS_METHOD_WITH_ARGS("GetOSRelease", |
873 | SD_BUS_NO_ARGS, | |
874 | SD_BUS_RESULT("a{ss}", os_release), | |
875 | bus_image_method_get_os_release, | |
876 | SD_BUS_VTABLE_UNPRIVILEGED), | |
877 | SD_BUS_METHOD_WITH_ARGS("GetMetadata", | |
878 | SD_BUS_ARGS("as", matches), | |
879 | SD_BUS_RESULT("s", image, | |
880 | "ay", os_release, | |
881 | "a{say}", units), | |
882 | bus_image_method_get_metadata, | |
883 | SD_BUS_VTABLE_UNPRIVILEGED), | |
907952bb LB |
884 | SD_BUS_METHOD_WITH_ARGS("GetMetadataWithExtensions", |
885 | SD_BUS_ARGS("as", extensions, | |
886 | "as", matches, | |
887 | "t", flags), | |
888 | SD_BUS_RESULT("s", image, | |
889 | "ay", os_release, | |
087a799f | 890 | "a{say}", extensions, |
907952bb LB |
891 | "a{say}", units), |
892 | bus_image_method_get_metadata, | |
893 | SD_BUS_VTABLE_UNPRIVILEGED), | |
598f938e LB |
894 | SD_BUS_METHOD_WITH_ARGS("GetState", |
895 | SD_BUS_NO_ARGS, | |
896 | SD_BUS_RESULT("s", state), | |
897 | bus_image_method_get_state, | |
898 | SD_BUS_VTABLE_UNPRIVILEGED), | |
0017415c LB |
899 | SD_BUS_METHOD_WITH_ARGS("GetStateWithExtensions", |
900 | SD_BUS_ARGS("as", extensions, | |
901 | "t", flags), | |
902 | SD_BUS_RESULT("s", state), | |
903 | bus_image_method_get_state, | |
904 | SD_BUS_VTABLE_UNPRIVILEGED), | |
598f938e LB |
905 | SD_BUS_METHOD_WITH_ARGS("Attach", |
906 | SD_BUS_ARGS("as", matches, | |
907 | "s", profile, | |
908 | "b", runtime, | |
909 | "s", copy_mode), | |
910 | SD_BUS_RESULT("a(sss)", changes), | |
911 | bus_image_method_attach, | |
912 | SD_BUS_VTABLE_UNPRIVILEGED), | |
907952bb LB |
913 | SD_BUS_METHOD_WITH_ARGS("AttachWithExtensions", |
914 | SD_BUS_ARGS("as", extensions, | |
915 | "as", matches, | |
916 | "s", profile, | |
917 | "s", copy_mode, | |
918 | "t", flags), | |
919 | SD_BUS_RESULT("a(sss)", changes), | |
920 | bus_image_method_attach, | |
921 | SD_BUS_VTABLE_UNPRIVILEGED), | |
598f938e LB |
922 | SD_BUS_METHOD_WITH_ARGS("Detach", |
923 | SD_BUS_ARGS("b", runtime), | |
924 | SD_BUS_RESULT("a(sss)", changes), | |
925 | bus_image_method_detach, | |
926 | SD_BUS_VTABLE_UNPRIVILEGED), | |
907952bb LB |
927 | SD_BUS_METHOD_WITH_ARGS("DetachWithExtensions", |
928 | SD_BUS_ARGS("as", extensions, | |
929 | "t", flags), | |
930 | SD_BUS_RESULT("a(sss)", changes), | |
931 | bus_image_method_detach, | |
932 | SD_BUS_VTABLE_UNPRIVILEGED), | |
598f938e LB |
933 | SD_BUS_METHOD_WITH_ARGS("Reattach", |
934 | SD_BUS_ARGS("as", matches, | |
935 | "s", profile, | |
936 | "b", runtime, | |
937 | "s", copy_mode), | |
938 | SD_BUS_RESULT("a(sss)", changes_removed, | |
939 | "a(sss)", changes_updated), | |
940 | bus_image_method_reattach, | |
941 | SD_BUS_VTABLE_UNPRIVILEGED), | |
907952bb LB |
942 | SD_BUS_METHOD_WITH_ARGS("ReattacheWithExtensions", |
943 | SD_BUS_ARGS("as", extensions, | |
944 | "as", matches, | |
945 | "s", profile, | |
946 | "s", copy_mode, | |
947 | "t", flags), | |
948 | SD_BUS_RESULT("a(sss)", changes_removed, | |
949 | "a(sss)", changes_updated), | |
950 | bus_image_method_reattach, | |
951 | SD_BUS_VTABLE_UNPRIVILEGED), | |
598f938e LB |
952 | SD_BUS_METHOD_WITH_ARGS("Remove", |
953 | SD_BUS_NO_ARGS, | |
954 | SD_BUS_NO_RESULT, | |
955 | bus_image_method_remove, | |
956 | SD_BUS_VTABLE_UNPRIVILEGED), | |
957 | SD_BUS_METHOD_WITH_ARGS("MarkReadOnly", | |
958 | SD_BUS_ARGS("b", read_only), | |
959 | SD_BUS_NO_RESULT, | |
960 | bus_image_method_mark_read_only, | |
961 | SD_BUS_VTABLE_UNPRIVILEGED), | |
962 | SD_BUS_METHOD_WITH_ARGS("SetLimit", | |
963 | SD_BUS_ARGS("t", limit), | |
964 | SD_BUS_NO_RESULT, | |
965 | bus_image_method_set_limit, | |
966 | SD_BUS_VTABLE_UNPRIVILEGED), | |
61d0578b LP |
967 | SD_BUS_VTABLE_END |
968 | }; | |
969 | ||
970 | int bus_image_path(Image *image, char **ret) { | |
971 | assert(image); | |
972 | assert(ret); | |
973 | ||
974 | if (!image->discoverable) | |
975 | return -EINVAL; | |
976 | ||
977 | return sd_bus_path_encode("/org/freedesktop/portable1/image", image->name, ret); | |
978 | } | |
979 | ||
980 | int bus_image_acquire( | |
981 | Manager *m, | |
982 | sd_bus_message *message, | |
983 | const char *name_or_path, | |
984 | Image *image, | |
985 | ImageAcquireMode mode, | |
986 | const char *polkit_action, | |
987 | Image **ret, | |
988 | sd_bus_error *error) { | |
989 | ||
990 | _cleanup_(image_unrefp) Image *loaded = NULL; | |
991 | Image *cached; | |
992 | int r; | |
993 | ||
994 | assert(m); | |
995 | assert(message); | |
996 | assert(name_or_path || image); | |
997 | assert(mode >= 0); | |
998 | assert(mode < _BUS_IMAGE_ACQUIRE_MODE_MAX); | |
999 | assert(polkit_action || mode == BUS_IMAGE_REFUSE_BY_PATH); | |
1000 | assert(ret); | |
1001 | ||
1002 | /* Acquires an 'Image' object if not acquired yet, and enforces necessary authentication while doing so. */ | |
1003 | ||
1004 | if (mode == BUS_IMAGE_AUTHENTICATE_ALL) { | |
1005 | r = bus_verify_polkit_async( | |
1006 | message, | |
1007 | CAP_SYS_ADMIN, | |
1008 | polkit_action, | |
1009 | NULL, | |
1010 | false, | |
1011 | UID_INVALID, | |
1012 | &m->polkit_registry, | |
1013 | error); | |
1014 | if (r < 0) | |
1015 | return r; | |
1016 | if (r == 0) { /* Will call us back */ | |
1017 | *ret = NULL; | |
1018 | return 0; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | /* Already passed in? */ | |
1023 | if (image) { | |
1024 | *ret = image; | |
1025 | return 1; | |
1026 | } | |
1027 | ||
1028 | /* Let's see if this image is already cached? */ | |
1029 | cached = manager_image_cache_get(m, name_or_path); | |
1030 | if (cached) { | |
1031 | *ret = cached; | |
1032 | return 1; | |
1033 | } | |
1034 | ||
1035 | if (image_name_is_valid(name_or_path)) { | |
1036 | ||
1037 | /* If it's a short name, let's search for it */ | |
d577d4a4 | 1038 | r = image_find(IMAGE_PORTABLE, name_or_path, NULL, &loaded); |
61d0578b | 1039 | if (r == -ENOENT) |
5943d85f ZJS |
1040 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PORTABLE_IMAGE, |
1041 | "No image '%s' found.", name_or_path); | |
61d0578b LP |
1042 | |
1043 | /* other errors are handled below… */ | |
1044 | } else { | |
1045 | /* Don't accept path if this is always forbidden */ | |
1046 | if (mode == BUS_IMAGE_REFUSE_BY_PATH) | |
5943d85f ZJS |
1047 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
1048 | "Expected image name, not path in place of '%s'.", name_or_path); | |
61d0578b LP |
1049 | |
1050 | if (!path_is_absolute(name_or_path)) | |
5943d85f ZJS |
1051 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
1052 | "Image name '%s' is not valid or not a valid path.", name_or_path); | |
61d0578b LP |
1053 | |
1054 | if (!path_is_normalized(name_or_path)) | |
5943d85f ZJS |
1055 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
1056 | "Image path '%s' is not normalized.", name_or_path); | |
61d0578b LP |
1057 | |
1058 | if (mode == BUS_IMAGE_AUTHENTICATE_BY_PATH) { | |
1059 | r = bus_verify_polkit_async( | |
1060 | message, | |
1061 | CAP_SYS_ADMIN, | |
1062 | polkit_action, | |
1063 | NULL, | |
1064 | false, | |
1065 | UID_INVALID, | |
1066 | &m->polkit_registry, | |
1067 | error); | |
1068 | if (r < 0) | |
1069 | return r; | |
1070 | if (r == 0) { /* Will call us back */ | |
1071 | *ret = NULL; | |
1072 | return 0; | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | r = image_from_path(name_or_path, &loaded); | |
1077 | } | |
787dfb82 | 1078 | if (r == -EMEDIUMTYPE) { |
5943d85f ZJS |
1079 | sd_bus_error_setf(error, BUS_ERROR_BAD_PORTABLE_IMAGE_TYPE, |
1080 | "Type of image '%s' not recognized; supported image types are directories/btrfs subvolumes, block devices, and raw disk image files with suffix '.raw'.", | |
1081 | name_or_path); | |
787dfb82 LP |
1082 | return r; |
1083 | } | |
61d0578b LP |
1084 | if (r < 0) |
1085 | return r; | |
1086 | ||
1087 | /* Add what we just loaded to the cache. This has as side-effect that the object stays in memory until the | |
1088 | * cache is purged again, i.e. at least for the current event loop iteration, which is all we need, and which | |
1089 | * means we don't actually need to ref the return object. */ | |
1090 | r = manager_image_cache_add(m, loaded); | |
1091 | if (r < 0) | |
1092 | return r; | |
1093 | ||
1094 | *ret = loaded; | |
1095 | return 1; | |
1096 | } | |
1097 | ||
1098 | int bus_image_object_find( | |
1099 | sd_bus *bus, | |
1100 | const char *path, | |
1101 | const char *interface, | |
1102 | void *userdata, | |
1103 | void **found, | |
1104 | sd_bus_error *error) { | |
1105 | ||
1106 | _cleanup_free_ char *e = NULL; | |
1107 | Manager *m = userdata; | |
1108 | Image *image = NULL; | |
1109 | int r; | |
1110 | ||
1111 | assert(bus); | |
1112 | assert(path); | |
1113 | assert(interface); | |
1114 | assert(found); | |
1115 | ||
1116 | r = sd_bus_path_decode(path, "/org/freedesktop/portable1/image", &e); | |
1117 | if (r < 0) | |
1118 | return 0; | |
1119 | if (r == 0) | |
1120 | goto not_found; | |
4313e2b6 ZJS |
1121 | if (isempty(e)) |
1122 | /* The path is "/org/freedesktop/portable1/image" itself */ | |
1123 | goto not_found; | |
61d0578b LP |
1124 | |
1125 | r = bus_image_acquire(m, sd_bus_get_current_message(bus), e, NULL, BUS_IMAGE_REFUSE_BY_PATH, NULL, &image, error); | |
1126 | if (r == -ENOENT) | |
1127 | goto not_found; | |
1128 | if (r < 0) | |
1129 | return r; | |
1130 | ||
1131 | *found = image; | |
1132 | return 1; | |
1133 | ||
1134 | not_found: | |
1135 | *found = NULL; | |
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | int bus_image_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
b07ec5a1 | 1140 | _cleanup_hashmap_free_ Hashmap *images = NULL; |
61d0578b | 1141 | _cleanup_strv_free_ char **l = NULL; |
61d0578b | 1142 | Manager *m = userdata; |
319a4f4b | 1143 | size_t n = 0; |
61d0578b | 1144 | Image *image; |
61d0578b LP |
1145 | int r; |
1146 | ||
1147 | assert(bus); | |
1148 | assert(path); | |
1149 | assert(nodes); | |
1150 | ||
b07ec5a1 | 1151 | images = hashmap_new(&image_hash_ops); |
61d0578b LP |
1152 | if (!images) |
1153 | return -ENOMEM; | |
1154 | ||
1155 | r = manager_image_cache_discover(m, images, error); | |
1156 | if (r < 0) | |
1157 | return r; | |
1158 | ||
90e74a66 | 1159 | HASHMAP_FOREACH(image, images) { |
61d0578b LP |
1160 | char *p; |
1161 | ||
1162 | r = bus_image_path(image, &p); | |
1163 | if (r < 0) | |
1164 | return r; | |
1165 | ||
319a4f4b | 1166 | if (!GREEDY_REALLOC(l, n+2)) { |
61d0578b LP |
1167 | free(p); |
1168 | return -ENOMEM; | |
1169 | } | |
1170 | ||
1171 | l[n++] = p; | |
1172 | l[n] = NULL; | |
1173 | } | |
1174 | ||
1175 | *nodes = TAKE_PTR(l); | |
1176 | ||
1177 | return 1; | |
1178 | } | |
3b91bae3 LB |
1179 | |
1180 | const BusObjectImplementation image_object = { | |
1181 | "/org/freedesktop/portable1/image", | |
1182 | "org.freedesktop.portable1.Image", | |
1183 | .fallback_vtables = BUS_FALLBACK_VTABLES({image_vtable, bus_image_object_find}), | |
1184 | .node_enumerator = bus_image_node_enumerator, | |
1185 | }; |