]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
56ebfaf1 LP |
2 | |
3 | #include <sys/xattr.h> | |
4 | ||
b5efdb8a | 5 | #include "alloc-util.h" |
3ffd4af2 | 6 | #include "fd-util.h" |
eef836ed | 7 | #include "gcrypt-util.h" |
89a5a90c | 8 | #include "hexdecoct.h" |
1f0f4f3b | 9 | #include "import-util.h" |
c004493c | 10 | #include "io-util.h" |
26166c88 | 11 | #include "machine-pool.h" |
6bedfcbb | 12 | #include "parse-util.h" |
1f0f4f3b | 13 | #include "pull-common.h" |
3ffd4af2 | 14 | #include "pull-job.h" |
07630cea LP |
15 | #include "string-util.h" |
16 | #include "strv.h" | |
89a5a90c | 17 | #include "xattr-util.h" |
56ebfaf1 | 18 | |
dc2c282b | 19 | PullJob* pull_job_unref(PullJob *j) { |
56ebfaf1 LP |
20 | if (!j) |
21 | return NULL; | |
22 | ||
23 | curl_glue_remove_and_free(j->glue, j->curl); | |
24 | curl_slist_free_all(j->request_header); | |
25 | ||
26 | safe_close(j->disk_fd); | |
27 | ||
3e2cda69 | 28 | import_compress_free(&j->compress); |
56ebfaf1 | 29 | |
98c38001 LP |
30 | if (j->checksum_context) |
31 | gcry_md_close(j->checksum_context); | |
85dbc41d | 32 | |
56ebfaf1 LP |
33 | free(j->url); |
34 | free(j->etag); | |
35 | strv_free(j->old_etags); | |
36 | free(j->payload); | |
98c38001 | 37 | free(j->checksum); |
56ebfaf1 | 38 | |
6b430fdb | 39 | return mfree(j); |
56ebfaf1 LP |
40 | } |
41 | ||
dc2c282b | 42 | static void pull_job_finish(PullJob *j, int ret) { |
56ebfaf1 LP |
43 | assert(j); |
44 | ||
3742095b | 45 | if (IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) |
56ebfaf1 LP |
46 | return; |
47 | ||
68c913fd | 48 | if (ret == 0) { |
dc2c282b | 49 | j->state = PULL_JOB_DONE; |
7079cfef | 50 | j->progress_percent = 100; |
68c913fd LP |
51 | log_info("Download of %s complete.", j->url); |
52 | } else { | |
dc2c282b | 53 | j->state = PULL_JOB_FAILED; |
56ebfaf1 LP |
54 | j->error = ret; |
55 | } | |
56 | ||
57 | if (j->on_finished) | |
58 | j->on_finished(j); | |
59 | } | |
60 | ||
697be0be TB |
61 | static int pull_job_restart(PullJob *j) { |
62 | int r; | |
63 | char *chksum_url = NULL; | |
64 | ||
65 | r = import_url_change_last_component(j->url, "SHA256SUMS", &chksum_url); | |
66 | if (r < 0) | |
67 | return r; | |
68 | ||
69 | free(j->url); | |
697be0be TB |
70 | j->url = chksum_url; |
71 | j->state = PULL_JOB_INIT; | |
1f0f4f3b | 72 | j->payload = mfree(j->payload); |
697be0be TB |
73 | j->payload_size = 0; |
74 | j->payload_allocated = 0; | |
75 | j->written_compressed = 0; | |
76 | j->written_uncompressed = 0; | |
77 | j->written_since_last_grow = 0; | |
78 | ||
79 | r = pull_job_begin(j); | |
80 | if (r < 0) | |
81 | return r; | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
dc2c282b LP |
86 | void pull_job_curl_on_finished(CurlGlue *g, CURL *curl, CURLcode result) { |
87 | PullJob *j = NULL; | |
56ebfaf1 LP |
88 | CURLcode code; |
89 | long status; | |
90 | int r; | |
91 | ||
a7f7d1bd | 92 | if (curl_easy_getinfo(curl, CURLINFO_PRIVATE, (char **)&j) != CURLE_OK) |
56ebfaf1 LP |
93 | return; |
94 | ||
4c701096 | 95 | if (!j || IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) |
56ebfaf1 LP |
96 | return; |
97 | ||
98 | if (result != CURLE_OK) { | |
99 | log_error("Transfer failed: %s", curl_easy_strerror(result)); | |
100 | r = -EIO; | |
101 | goto finish; | |
102 | } | |
103 | ||
104 | code = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &status); | |
105 | if (code != CURLE_OK) { | |
106 | log_error("Failed to retrieve response code: %s", curl_easy_strerror(code)); | |
107 | r = -EIO; | |
108 | goto finish; | |
109 | } else if (status == 304) { | |
110 | log_info("Image already downloaded. Skipping download."); | |
85dbc41d | 111 | j->etag_exists = true; |
56ebfaf1 LP |
112 | r = 0; |
113 | goto finish; | |
114 | } else if (status >= 300) { | |
697be0be TB |
115 | if (status == 404 && j->style == VERIFICATION_PER_FILE) { |
116 | ||
117 | /* retry pull job with SHA256SUMS file */ | |
118 | r = pull_job_restart(j); | |
119 | if (r < 0) | |
120 | goto finish; | |
121 | ||
122 | code = curl_easy_getinfo(j->curl, CURLINFO_RESPONSE_CODE, &status); | |
123 | if (code != CURLE_OK) { | |
124 | log_error("Failed to retrieve response code: %s", curl_easy_strerror(code)); | |
125 | r = -EIO; | |
126 | goto finish; | |
127 | } | |
128 | ||
129 | if (status == 0) { | |
130 | j->style = VERIFICATION_PER_DIRECTORY; | |
131 | return; | |
132 | } | |
133 | } | |
134 | ||
56ebfaf1 LP |
135 | log_error("HTTP request to %s failed with code %li.", j->url, status); |
136 | r = -EIO; | |
137 | goto finish; | |
138 | } else if (status < 200) { | |
139 | log_error("HTTP request to %s finished with unexpected code %li.", j->url, status); | |
140 | r = -EIO; | |
141 | goto finish; | |
142 | } | |
143 | ||
dc2c282b | 144 | if (j->state != PULL_JOB_RUNNING) { |
56ebfaf1 LP |
145 | log_error("Premature connection termination."); |
146 | r = -EIO; | |
147 | goto finish; | |
148 | } | |
149 | ||
150 | if (j->content_length != (uint64_t) -1 && | |
151 | j->content_length != j->written_compressed) { | |
152 | log_error("Download truncated."); | |
153 | r = -EIO; | |
154 | goto finish; | |
155 | } | |
156 | ||
98c38001 | 157 | if (j->checksum_context) { |
85dbc41d LP |
158 | uint8_t *k; |
159 | ||
98c38001 | 160 | k = gcry_md_read(j->checksum_context, GCRY_MD_SHA256); |
85dbc41d LP |
161 | if (!k) { |
162 | log_error("Failed to get checksum."); | |
163 | r = -EIO; | |
164 | goto finish; | |
165 | } | |
166 | ||
98c38001 LP |
167 | j->checksum = hexmem(k, gcry_md_get_algo_dlen(GCRY_MD_SHA256)); |
168 | if (!j->checksum) { | |
85dbc41d LP |
169 | r = log_oom(); |
170 | goto finish; | |
171 | } | |
172 | ||
98c38001 | 173 | log_debug("SHA256 of %s is %s.", j->url, j->checksum); |
85dbc41d LP |
174 | } |
175 | ||
56ebfaf1 LP |
176 | if (j->disk_fd >= 0 && j->allow_sparse) { |
177 | /* Make sure the file size is right, in case the file was | |
178 | * sparse and we just seeked for the last part */ | |
179 | ||
180 | if (ftruncate(j->disk_fd, j->written_uncompressed) < 0) { | |
b6e676ce | 181 | r = log_error_errno(errno, "Failed to truncate file: %m"); |
56ebfaf1 LP |
182 | goto finish; |
183 | } | |
184 | ||
185 | if (j->etag) | |
186 | (void) fsetxattr(j->disk_fd, "user.source_etag", j->etag, strlen(j->etag), 0); | |
187 | if (j->url) | |
188 | (void) fsetxattr(j->disk_fd, "user.source_url", j->url, strlen(j->url), 0); | |
189 | ||
190 | if (j->mtime != 0) { | |
191 | struct timespec ut[2]; | |
192 | ||
193 | timespec_store(&ut[0], j->mtime); | |
194 | ut[1] = ut[0]; | |
195 | (void) futimens(j->disk_fd, ut); | |
196 | ||
197 | (void) fd_setcrtime(j->disk_fd, j->mtime); | |
198 | } | |
199 | } | |
200 | ||
201 | r = 0; | |
202 | ||
203 | finish: | |
dc2c282b | 204 | pull_job_finish(j, r); |
56ebfaf1 LP |
205 | } |
206 | ||
3e2cda69 LP |
207 | static int pull_job_write_uncompressed(const void *p, size_t sz, void *userdata) { |
208 | PullJob *j = userdata; | |
56ebfaf1 LP |
209 | ssize_t n; |
210 | ||
211 | assert(j); | |
212 | assert(p); | |
8af3cf74 LP |
213 | |
214 | if (sz <= 0) | |
215 | return 0; | |
56ebfaf1 | 216 | |
baaa35ad ZJS |
217 | if (j->written_uncompressed + sz < j->written_uncompressed) |
218 | return log_error_errno(SYNTHETIC_ERRNO(EOVERFLOW), | |
219 | "File too large, overflow"); | |
56ebfaf1 | 220 | |
baaa35ad ZJS |
221 | if (j->written_uncompressed + sz > j->uncompressed_max) |
222 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), | |
223 | "File overly large, refusing"); | |
56ebfaf1 LP |
224 | |
225 | if (j->disk_fd >= 0) { | |
226 | ||
b6e676ce | 227 | if (j->grow_machine_directory && j->written_since_last_grow >= GROW_INTERVAL_BYTES) { |
26166c88 LP |
228 | j->written_since_last_grow = 0; |
229 | grow_machine_directory(); | |
230 | } | |
231 | ||
56ebfaf1 LP |
232 | if (j->allow_sparse) |
233 | n = sparse_write(j->disk_fd, p, sz, 64); | |
e986910e | 234 | else { |
56ebfaf1 | 235 | n = write(j->disk_fd, p, sz); |
e986910e YW |
236 | if (n < 0) |
237 | n = -errno; | |
238 | } | |
b6e676ce | 239 | if (n < 0) |
e986910e | 240 | return log_error_errno((int) n, "Failed to write file: %m"); |
baaa35ad ZJS |
241 | if ((size_t) n < sz) |
242 | return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write"); | |
56ebfaf1 LP |
243 | } else { |
244 | ||
245 | if (!GREEDY_REALLOC(j->payload, j->payload_allocated, j->payload_size + sz)) | |
246 | return log_oom(); | |
247 | ||
8af3cf74 | 248 | memcpy(j->payload + j->payload_size, p, sz); |
56ebfaf1 LP |
249 | j->payload_size += sz; |
250 | } | |
251 | ||
252 | j->written_uncompressed += sz; | |
26166c88 | 253 | j->written_since_last_grow += sz; |
56ebfaf1 LP |
254 | |
255 | return 0; | |
256 | } | |
257 | ||
dc2c282b | 258 | static int pull_job_write_compressed(PullJob *j, void *p, size_t sz) { |
56ebfaf1 LP |
259 | int r; |
260 | ||
261 | assert(j); | |
262 | assert(p); | |
8af3cf74 LP |
263 | |
264 | if (sz <= 0) | |
265 | return 0; | |
56ebfaf1 | 266 | |
baaa35ad ZJS |
267 | if (j->written_compressed + sz < j->written_compressed) |
268 | return log_error_errno(SYNTHETIC_ERRNO(EOVERFLOW), "File too large, overflow"); | |
56ebfaf1 | 269 | |
baaa35ad ZJS |
270 | if (j->written_compressed + sz > j->compressed_max) |
271 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), "File overly large, refusing."); | |
56ebfaf1 LP |
272 | |
273 | if (j->content_length != (uint64_t) -1 && | |
baaa35ad ZJS |
274 | j->written_compressed + sz > j->content_length) |
275 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), | |
276 | "Content length incorrect."); | |
56ebfaf1 | 277 | |
98c38001 LP |
278 | if (j->checksum_context) |
279 | gcry_md_write(j->checksum_context, p, sz); | |
85dbc41d | 280 | |
3e2cda69 LP |
281 | r = import_uncompress(&j->compress, p, sz, pull_job_write_uncompressed, j); |
282 | if (r < 0) | |
283 | return r; | |
56ebfaf1 LP |
284 | |
285 | j->written_compressed += sz; | |
286 | ||
287 | return 0; | |
288 | } | |
289 | ||
dc2c282b | 290 | static int pull_job_open_disk(PullJob *j) { |
56ebfaf1 LP |
291 | int r; |
292 | ||
293 | assert(j); | |
294 | ||
295 | if (j->on_open_disk) { | |
296 | r = j->on_open_disk(j); | |
297 | if (r < 0) | |
298 | return r; | |
299 | } | |
300 | ||
301 | if (j->disk_fd >= 0) { | |
302 | /* Check if we can do sparse files */ | |
303 | ||
304 | if (lseek(j->disk_fd, SEEK_SET, 0) == 0) | |
305 | j->allow_sparse = true; | |
306 | else { | |
307 | if (errno != ESPIPE) | |
308 | return log_error_errno(errno, "Failed to seek on file descriptor: %m"); | |
309 | ||
310 | j->allow_sparse = false; | |
311 | } | |
312 | } | |
313 | ||
98c38001 | 314 | if (j->calc_checksum) { |
eef836ed YW |
315 | initialize_libgcrypt(false); |
316 | ||
baaa35ad ZJS |
317 | if (gcry_md_open(&j->checksum_context, GCRY_MD_SHA256, 0) != 0) |
318 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
319 | "Failed to initialize hash context."); | |
85dbc41d LP |
320 | } |
321 | ||
56ebfaf1 LP |
322 | return 0; |
323 | } | |
324 | ||
dc2c282b | 325 | static int pull_job_detect_compression(PullJob *j) { |
56ebfaf1 LP |
326 | _cleanup_free_ uint8_t *stub = NULL; |
327 | size_t stub_size; | |
328 | ||
329 | int r; | |
330 | ||
331 | assert(j); | |
332 | ||
3e2cda69 LP |
333 | r = import_uncompress_detect(&j->compress, j->payload, j->payload_size); |
334 | if (r < 0) | |
335 | return log_error_errno(r, "Failed to initialize compressor: %m"); | |
336 | if (r == 0) | |
56ebfaf1 LP |
337 | return 0; |
338 | ||
3e2cda69 | 339 | log_debug("Stream is compressed: %s", import_compress_type_to_string(j->compress.type)); |
56ebfaf1 | 340 | |
dc2c282b | 341 | r = pull_job_open_disk(j); |
56ebfaf1 LP |
342 | if (r < 0) |
343 | return r; | |
344 | ||
345 | /* Now, take the payload we read so far, and decompress it */ | |
346 | stub = j->payload; | |
347 | stub_size = j->payload_size; | |
348 | ||
349 | j->payload = NULL; | |
350 | j->payload_size = 0; | |
88a1aadc | 351 | j->payload_allocated = 0; |
56ebfaf1 | 352 | |
dc2c282b | 353 | j->state = PULL_JOB_RUNNING; |
56ebfaf1 | 354 | |
dc2c282b | 355 | r = pull_job_write_compressed(j, stub, stub_size); |
56ebfaf1 LP |
356 | if (r < 0) |
357 | return r; | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
dc2c282b LP |
362 | static size_t pull_job_write_callback(void *contents, size_t size, size_t nmemb, void *userdata) { |
363 | PullJob *j = userdata; | |
56ebfaf1 LP |
364 | size_t sz = size * nmemb; |
365 | int r; | |
366 | ||
367 | assert(contents); | |
368 | assert(j); | |
369 | ||
370 | switch (j->state) { | |
371 | ||
dc2c282b | 372 | case PULL_JOB_ANALYZING: |
56ebfaf1 LP |
373 | /* Let's first check what it actually is */ |
374 | ||
375 | if (!GREEDY_REALLOC(j->payload, j->payload_allocated, j->payload_size + sz)) { | |
376 | r = log_oom(); | |
377 | goto fail; | |
378 | } | |
379 | ||
8af3cf74 | 380 | memcpy(j->payload + j->payload_size, contents, sz); |
56ebfaf1 LP |
381 | j->payload_size += sz; |
382 | ||
dc2c282b | 383 | r = pull_job_detect_compression(j); |
56ebfaf1 LP |
384 | if (r < 0) |
385 | goto fail; | |
386 | ||
387 | break; | |
388 | ||
dc2c282b | 389 | case PULL_JOB_RUNNING: |
56ebfaf1 | 390 | |
dc2c282b | 391 | r = pull_job_write_compressed(j, contents, sz); |
56ebfaf1 LP |
392 | if (r < 0) |
393 | goto fail; | |
394 | ||
395 | break; | |
396 | ||
dc2c282b LP |
397 | case PULL_JOB_DONE: |
398 | case PULL_JOB_FAILED: | |
56ebfaf1 LP |
399 | r = -ESTALE; |
400 | goto fail; | |
401 | ||
402 | default: | |
403 | assert_not_reached("Impossible state."); | |
404 | } | |
405 | ||
406 | return sz; | |
407 | ||
408 | fail: | |
dc2c282b | 409 | pull_job_finish(j, r); |
56ebfaf1 LP |
410 | return 0; |
411 | } | |
412 | ||
dc2c282b LP |
413 | static size_t pull_job_header_callback(void *contents, size_t size, size_t nmemb, void *userdata) { |
414 | PullJob *j = userdata; | |
56ebfaf1 LP |
415 | size_t sz = size * nmemb; |
416 | _cleanup_free_ char *length = NULL, *last_modified = NULL; | |
417 | char *etag; | |
418 | int r; | |
419 | ||
420 | assert(contents); | |
421 | assert(j); | |
422 | ||
3742095b | 423 | if (IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) { |
56ebfaf1 LP |
424 | r = -ESTALE; |
425 | goto fail; | |
426 | } | |
427 | ||
dc2c282b | 428 | assert(j->state == PULL_JOB_ANALYZING); |
56ebfaf1 LP |
429 | |
430 | r = curl_header_strdup(contents, sz, "ETag:", &etag); | |
431 | if (r < 0) { | |
432 | log_oom(); | |
433 | goto fail; | |
434 | } | |
435 | if (r > 0) { | |
436 | free(j->etag); | |
437 | j->etag = etag; | |
438 | ||
439 | if (strv_contains(j->old_etags, j->etag)) { | |
440 | log_info("Image already downloaded. Skipping download."); | |
85dbc41d | 441 | j->etag_exists = true; |
dc2c282b | 442 | pull_job_finish(j, 0); |
56ebfaf1 LP |
443 | return sz; |
444 | } | |
445 | ||
446 | return sz; | |
447 | } | |
448 | ||
449 | r = curl_header_strdup(contents, sz, "Content-Length:", &length); | |
450 | if (r < 0) { | |
451 | log_oom(); | |
452 | goto fail; | |
453 | } | |
454 | if (r > 0) { | |
455 | (void) safe_atou64(length, &j->content_length); | |
456 | ||
457 | if (j->content_length != (uint64_t) -1) { | |
458 | char bytes[FORMAT_BYTES_MAX]; | |
459 | ||
460 | if (j->content_length > j->compressed_max) { | |
461 | log_error("Content too large."); | |
462 | r = -EFBIG; | |
463 | goto fail; | |
464 | } | |
465 | ||
68c913fd | 466 | log_info("Downloading %s for %s.", format_bytes(bytes, sizeof(bytes), j->content_length), j->url); |
56ebfaf1 LP |
467 | } |
468 | ||
469 | return sz; | |
470 | } | |
471 | ||
472 | r = curl_header_strdup(contents, sz, "Last-Modified:", &last_modified); | |
473 | if (r < 0) { | |
474 | log_oom(); | |
475 | goto fail; | |
476 | } | |
477 | if (r > 0) { | |
478 | (void) curl_parse_http_time(last_modified, &j->mtime); | |
479 | return sz; | |
480 | } | |
481 | ||
ff2670ad LP |
482 | if (j->on_header) { |
483 | r = j->on_header(j, contents, sz); | |
484 | if (r < 0) | |
485 | goto fail; | |
486 | } | |
487 | ||
56ebfaf1 LP |
488 | return sz; |
489 | ||
490 | fail: | |
dc2c282b | 491 | pull_job_finish(j, r); |
56ebfaf1 LP |
492 | return 0; |
493 | } | |
494 | ||
dc2c282b LP |
495 | static int pull_job_progress_callback(void *userdata, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow) { |
496 | PullJob *j = userdata; | |
56ebfaf1 LP |
497 | unsigned percent; |
498 | usec_t n; | |
499 | ||
500 | assert(j); | |
501 | ||
502 | if (dltotal <= 0) | |
503 | return 0; | |
504 | ||
505 | percent = ((100 * dlnow) / dltotal); | |
506 | n = now(CLOCK_MONOTONIC); | |
507 | ||
508 | if (n > j->last_status_usec + USEC_PER_SEC && | |
68c913fd LP |
509 | percent != j->progress_percent && |
510 | dlnow < dltotal) { | |
56ebfaf1 LP |
511 | char buf[FORMAT_TIMESPAN_MAX]; |
512 | ||
513 | if (n - j->start_usec > USEC_PER_SEC && dlnow > 0) { | |
90bc083b | 514 | char y[FORMAT_BYTES_MAX]; |
56ebfaf1 LP |
515 | usec_t left, done; |
516 | ||
517 | done = n - j->start_usec; | |
518 | left = (usec_t) (((double) done * (double) dltotal) / dlnow) - done; | |
519 | ||
90bc083b LP |
520 | log_info("Got %u%% of %s. %s left at %s/s.", |
521 | percent, | |
522 | j->url, | |
523 | format_timespan(buf, sizeof(buf), left, USEC_PER_SEC), | |
524 | format_bytes(y, sizeof(y), (uint64_t) ((double) dlnow / ((double) done / (double) USEC_PER_SEC)))); | |
56ebfaf1 LP |
525 | } else |
526 | log_info("Got %u%% of %s.", percent, j->url); | |
527 | ||
528 | j->progress_percent = percent; | |
529 | j->last_status_usec = n; | |
7079cfef LP |
530 | |
531 | if (j->on_progress) | |
532 | j->on_progress(j); | |
56ebfaf1 LP |
533 | } |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
dc2c282b LP |
538 | int pull_job_new(PullJob **ret, const char *url, CurlGlue *glue, void *userdata) { |
539 | _cleanup_(pull_job_unrefp) PullJob *j = NULL; | |
0d94088e | 540 | _cleanup_free_ char *u = NULL; |
56ebfaf1 LP |
541 | |
542 | assert(url); | |
543 | assert(glue); | |
544 | assert(ret); | |
545 | ||
0d94088e YW |
546 | u = strdup(url); |
547 | if (u) | |
56ebfaf1 LP |
548 | return -ENOMEM; |
549 | ||
0d94088e YW |
550 | j = new(PullJob, 1); |
551 | if (!j) | |
56ebfaf1 LP |
552 | return -ENOMEM; |
553 | ||
0d94088e YW |
554 | *j = (PullJob) { |
555 | .state = PULL_JOB_INIT, | |
556 | .disk_fd = -1, | |
557 | .userdata = userdata, | |
558 | .glue = glue, | |
559 | .content_length = (uint64_t) -1, | |
560 | .start_usec = now(CLOCK_MONOTONIC), | |
561 | .compressed_max = 64LLU * 1024LLU * 1024LLU * 1024LLU, /* 64GB safety limit */ | |
562 | .uncompressed_max = 64LLU * 1024LLU * 1024LLU * 1024LLU, /* 64GB safety limit */ | |
563 | .style = VERIFICATION_STYLE_UNSET, | |
564 | .url = TAKE_PTR(u), | |
565 | }; | |
566 | ||
1cc6c93a | 567 | *ret = TAKE_PTR(j); |
56ebfaf1 LP |
568 | |
569 | return 0; | |
570 | } | |
571 | ||
dc2c282b | 572 | int pull_job_begin(PullJob *j) { |
56ebfaf1 LP |
573 | int r; |
574 | ||
575 | assert(j); | |
576 | ||
dc2c282b | 577 | if (j->state != PULL_JOB_INIT) |
56ebfaf1 LP |
578 | return -EBUSY; |
579 | ||
26166c88 LP |
580 | if (j->grow_machine_directory) |
581 | grow_machine_directory(); | |
582 | ||
56ebfaf1 LP |
583 | r = curl_glue_make(&j->curl, j->url, j); |
584 | if (r < 0) | |
585 | return r; | |
586 | ||
587 | if (!strv_isempty(j->old_etags)) { | |
588 | _cleanup_free_ char *cc = NULL, *hdr = NULL; | |
589 | ||
590 | cc = strv_join(j->old_etags, ", "); | |
591 | if (!cc) | |
592 | return -ENOMEM; | |
593 | ||
594 | hdr = strappend("If-None-Match: ", cc); | |
595 | if (!hdr) | |
596 | return -ENOMEM; | |
597 | ||
ff2670ad LP |
598 | if (!j->request_header) { |
599 | j->request_header = curl_slist_new(hdr, NULL); | |
600 | if (!j->request_header) | |
601 | return -ENOMEM; | |
602 | } else { | |
603 | struct curl_slist *l; | |
604 | ||
605 | l = curl_slist_append(j->request_header, hdr); | |
606 | if (!l) | |
607 | return -ENOMEM; | |
608 | ||
609 | j->request_header = l; | |
610 | } | |
611 | } | |
56ebfaf1 | 612 | |
ff2670ad | 613 | if (j->request_header) { |
56ebfaf1 LP |
614 | if (curl_easy_setopt(j->curl, CURLOPT_HTTPHEADER, j->request_header) != CURLE_OK) |
615 | return -EIO; | |
616 | } | |
617 | ||
dc2c282b | 618 | if (curl_easy_setopt(j->curl, CURLOPT_WRITEFUNCTION, pull_job_write_callback) != CURLE_OK) |
56ebfaf1 LP |
619 | return -EIO; |
620 | ||
621 | if (curl_easy_setopt(j->curl, CURLOPT_WRITEDATA, j) != CURLE_OK) | |
622 | return -EIO; | |
623 | ||
dc2c282b | 624 | if (curl_easy_setopt(j->curl, CURLOPT_HEADERFUNCTION, pull_job_header_callback) != CURLE_OK) |
56ebfaf1 LP |
625 | return -EIO; |
626 | ||
627 | if (curl_easy_setopt(j->curl, CURLOPT_HEADERDATA, j) != CURLE_OK) | |
628 | return -EIO; | |
629 | ||
dc2c282b | 630 | if (curl_easy_setopt(j->curl, CURLOPT_XFERINFOFUNCTION, pull_job_progress_callback) != CURLE_OK) |
56ebfaf1 LP |
631 | return -EIO; |
632 | ||
633 | if (curl_easy_setopt(j->curl, CURLOPT_XFERINFODATA, j) != CURLE_OK) | |
634 | return -EIO; | |
635 | ||
636 | if (curl_easy_setopt(j->curl, CURLOPT_NOPROGRESS, 0) != CURLE_OK) | |
637 | return -EIO; | |
638 | ||
639 | r = curl_glue_add(j->glue, j->curl); | |
640 | if (r < 0) | |
641 | return r; | |
642 | ||
dc2c282b | 643 | j->state = PULL_JOB_ANALYZING; |
56ebfaf1 LP |
644 | |
645 | return 0; | |
646 | } |