]>
Commit | Line | Data |
---|---|---|
db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
56ebfaf1 | 2 | |
ca78ad1d ZJS |
3 | #include <fcntl.h> |
4 | #include <sys/stat.h> | |
56ebfaf1 LP |
5 | #include <sys/xattr.h> |
6 | ||
b5efdb8a | 7 | #include "alloc-util.h" |
3ffd4af2 | 8 | #include "fd-util.h" |
aa892669 | 9 | #include "format-util.h" |
eef836ed | 10 | #include "gcrypt-util.h" |
89a5a90c | 11 | #include "hexdecoct.h" |
1f0f4f3b | 12 | #include "import-util.h" |
c004493c | 13 | #include "io-util.h" |
26166c88 | 14 | #include "machine-pool.h" |
6bedfcbb | 15 | #include "parse-util.h" |
1f0f4f3b | 16 | #include "pull-common.h" |
3ffd4af2 | 17 | #include "pull-job.h" |
07630cea LP |
18 | #include "string-util.h" |
19 | #include "strv.h" | |
89a5a90c | 20 | #include "xattr-util.h" |
56ebfaf1 | 21 | |
dc2c282b | 22 | PullJob* pull_job_unref(PullJob *j) { |
56ebfaf1 LP |
23 | if (!j) |
24 | return NULL; | |
25 | ||
26 | curl_glue_remove_and_free(j->glue, j->curl); | |
27 | curl_slist_free_all(j->request_header); | |
28 | ||
29 | safe_close(j->disk_fd); | |
30 | ||
3e2cda69 | 31 | import_compress_free(&j->compress); |
56ebfaf1 | 32 | |
98c38001 LP |
33 | if (j->checksum_context) |
34 | gcry_md_close(j->checksum_context); | |
85dbc41d | 35 | |
56ebfaf1 LP |
36 | free(j->url); |
37 | free(j->etag); | |
38 | strv_free(j->old_etags); | |
39 | free(j->payload); | |
98c38001 | 40 | free(j->checksum); |
56ebfaf1 | 41 | |
6b430fdb | 42 | return mfree(j); |
56ebfaf1 LP |
43 | } |
44 | ||
dc2c282b | 45 | static void pull_job_finish(PullJob *j, int ret) { |
56ebfaf1 LP |
46 | assert(j); |
47 | ||
3742095b | 48 | if (IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) |
56ebfaf1 LP |
49 | return; |
50 | ||
68c913fd | 51 | if (ret == 0) { |
dc2c282b | 52 | j->state = PULL_JOB_DONE; |
7079cfef | 53 | j->progress_percent = 100; |
68c913fd LP |
54 | log_info("Download of %s complete.", j->url); |
55 | } else { | |
dc2c282b | 56 | j->state = PULL_JOB_FAILED; |
56ebfaf1 LP |
57 | j->error = ret; |
58 | } | |
59 | ||
60 | if (j->on_finished) | |
61 | j->on_finished(j); | |
62 | } | |
63 | ||
f14717a7 | 64 | static int pull_job_restart(PullJob *j, const char *new_url) { |
697be0be | 65 | int r; |
697be0be | 66 | |
f14717a7 LP |
67 | assert(j); |
68 | assert(new_url); | |
69 | ||
70 | r = free_and_strdup(&j->url, new_url); | |
697be0be TB |
71 | if (r < 0) |
72 | return r; | |
73 | ||
697be0be | 74 | j->state = PULL_JOB_INIT; |
1f0f4f3b | 75 | j->payload = mfree(j->payload); |
697be0be TB |
76 | j->payload_size = 0; |
77 | j->payload_allocated = 0; | |
78 | j->written_compressed = 0; | |
79 | j->written_uncompressed = 0; | |
697be0be TB |
80 | |
81 | r = pull_job_begin(j); | |
82 | if (r < 0) | |
83 | return r; | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
dc2c282b LP |
88 | void pull_job_curl_on_finished(CurlGlue *g, CURL *curl, CURLcode result) { |
89 | PullJob *j = NULL; | |
56ebfaf1 LP |
90 | CURLcode code; |
91 | long status; | |
92 | int r; | |
93 | ||
a7f7d1bd | 94 | if (curl_easy_getinfo(curl, CURLINFO_PRIVATE, (char **)&j) != CURLE_OK) |
56ebfaf1 LP |
95 | return; |
96 | ||
4c701096 | 97 | if (!j || IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) |
56ebfaf1 LP |
98 | return; |
99 | ||
100 | if (result != CURLE_OK) { | |
101 | log_error("Transfer failed: %s", curl_easy_strerror(result)); | |
102 | r = -EIO; | |
103 | goto finish; | |
104 | } | |
105 | ||
106 | code = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &status); | |
107 | if (code != CURLE_OK) { | |
108 | log_error("Failed to retrieve response code: %s", curl_easy_strerror(code)); | |
109 | r = -EIO; | |
110 | goto finish; | |
111 | } else if (status == 304) { | |
112 | log_info("Image already downloaded. Skipping download."); | |
85dbc41d | 113 | j->etag_exists = true; |
56ebfaf1 LP |
114 | r = 0; |
115 | goto finish; | |
116 | } else if (status >= 300) { | |
697be0be | 117 | |
f14717a7 LP |
118 | if (status == 404 && j->on_not_found) { |
119 | _cleanup_free_ char *new_url = NULL; | |
120 | ||
121 | /* This resource wasn't found, but the implementor wants to maybe let us know a new URL, query for it. */ | |
122 | r = j->on_not_found(j, &new_url); | |
697be0be TB |
123 | if (r < 0) |
124 | goto finish; | |
125 | ||
f14717a7 LP |
126 | if (r > 0) { /* A new url to use */ |
127 | assert(new_url); | |
128 | ||
129 | r = pull_job_restart(j, new_url); | |
130 | if (r < 0) | |
131 | goto finish; | |
132 | ||
133 | code = curl_easy_getinfo(j->curl, CURLINFO_RESPONSE_CODE, &status); | |
134 | if (code != CURLE_OK) { | |
135 | log_error("Failed to retrieve response code: %s", curl_easy_strerror(code)); | |
136 | r = -EIO; | |
137 | goto finish; | |
138 | } | |
697be0be | 139 | |
f14717a7 LP |
140 | if (status == 0) |
141 | return; | |
697be0be TB |
142 | } |
143 | } | |
144 | ||
56ebfaf1 LP |
145 | log_error("HTTP request to %s failed with code %li.", j->url, status); |
146 | r = -EIO; | |
147 | goto finish; | |
148 | } else if (status < 200) { | |
149 | log_error("HTTP request to %s finished with unexpected code %li.", j->url, status); | |
150 | r = -EIO; | |
151 | goto finish; | |
152 | } | |
153 | ||
dc2c282b | 154 | if (j->state != PULL_JOB_RUNNING) { |
56ebfaf1 LP |
155 | log_error("Premature connection termination."); |
156 | r = -EIO; | |
157 | goto finish; | |
158 | } | |
159 | ||
160 | if (j->content_length != (uint64_t) -1 && | |
161 | j->content_length != j->written_compressed) { | |
162 | log_error("Download truncated."); | |
163 | r = -EIO; | |
164 | goto finish; | |
165 | } | |
166 | ||
98c38001 | 167 | if (j->checksum_context) { |
85dbc41d LP |
168 | uint8_t *k; |
169 | ||
98c38001 | 170 | k = gcry_md_read(j->checksum_context, GCRY_MD_SHA256); |
85dbc41d LP |
171 | if (!k) { |
172 | log_error("Failed to get checksum."); | |
173 | r = -EIO; | |
174 | goto finish; | |
175 | } | |
176 | ||
98c38001 LP |
177 | j->checksum = hexmem(k, gcry_md_get_algo_dlen(GCRY_MD_SHA256)); |
178 | if (!j->checksum) { | |
85dbc41d LP |
179 | r = log_oom(); |
180 | goto finish; | |
181 | } | |
182 | ||
98c38001 | 183 | log_debug("SHA256 of %s is %s.", j->url, j->checksum); |
85dbc41d LP |
184 | } |
185 | ||
56ebfaf1 LP |
186 | if (j->disk_fd >= 0 && j->allow_sparse) { |
187 | /* Make sure the file size is right, in case the file was | |
188 | * sparse and we just seeked for the last part */ | |
189 | ||
190 | if (ftruncate(j->disk_fd, j->written_uncompressed) < 0) { | |
b6e676ce | 191 | r = log_error_errno(errno, "Failed to truncate file: %m"); |
56ebfaf1 LP |
192 | goto finish; |
193 | } | |
194 | ||
195 | if (j->etag) | |
196 | (void) fsetxattr(j->disk_fd, "user.source_etag", j->etag, strlen(j->etag), 0); | |
197 | if (j->url) | |
198 | (void) fsetxattr(j->disk_fd, "user.source_url", j->url, strlen(j->url), 0); | |
199 | ||
200 | if (j->mtime != 0) { | |
201 | struct timespec ut[2]; | |
202 | ||
203 | timespec_store(&ut[0], j->mtime); | |
204 | ut[1] = ut[0]; | |
205 | (void) futimens(j->disk_fd, ut); | |
206 | ||
207 | (void) fd_setcrtime(j->disk_fd, j->mtime); | |
208 | } | |
209 | } | |
210 | ||
211 | r = 0; | |
212 | ||
213 | finish: | |
dc2c282b | 214 | pull_job_finish(j, r); |
56ebfaf1 LP |
215 | } |
216 | ||
3e2cda69 LP |
217 | static int pull_job_write_uncompressed(const void *p, size_t sz, void *userdata) { |
218 | PullJob *j = userdata; | |
56ebfaf1 LP |
219 | ssize_t n; |
220 | ||
221 | assert(j); | |
222 | assert(p); | |
8af3cf74 LP |
223 | |
224 | if (sz <= 0) | |
225 | return 0; | |
56ebfaf1 | 226 | |
baaa35ad ZJS |
227 | if (j->written_uncompressed + sz < j->written_uncompressed) |
228 | return log_error_errno(SYNTHETIC_ERRNO(EOVERFLOW), | |
229 | "File too large, overflow"); | |
56ebfaf1 | 230 | |
baaa35ad ZJS |
231 | if (j->written_uncompressed + sz > j->uncompressed_max) |
232 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), | |
233 | "File overly large, refusing"); | |
56ebfaf1 LP |
234 | |
235 | if (j->disk_fd >= 0) { | |
236 | ||
237 | if (j->allow_sparse) | |
238 | n = sparse_write(j->disk_fd, p, sz, 64); | |
e986910e | 239 | else { |
56ebfaf1 | 240 | n = write(j->disk_fd, p, sz); |
e986910e YW |
241 | if (n < 0) |
242 | n = -errno; | |
243 | } | |
b6e676ce | 244 | if (n < 0) |
e986910e | 245 | return log_error_errno((int) n, "Failed to write file: %m"); |
baaa35ad ZJS |
246 | if ((size_t) n < sz) |
247 | return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write"); | |
56ebfaf1 LP |
248 | } else { |
249 | ||
250 | if (!GREEDY_REALLOC(j->payload, j->payload_allocated, j->payload_size + sz)) | |
251 | return log_oom(); | |
252 | ||
8af3cf74 | 253 | memcpy(j->payload + j->payload_size, p, sz); |
56ebfaf1 LP |
254 | j->payload_size += sz; |
255 | } | |
256 | ||
257 | j->written_uncompressed += sz; | |
258 | ||
259 | return 0; | |
260 | } | |
261 | ||
dc2c282b | 262 | static int pull_job_write_compressed(PullJob *j, void *p, size_t sz) { |
56ebfaf1 LP |
263 | int r; |
264 | ||
265 | assert(j); | |
266 | assert(p); | |
8af3cf74 LP |
267 | |
268 | if (sz <= 0) | |
269 | return 0; | |
56ebfaf1 | 270 | |
baaa35ad ZJS |
271 | if (j->written_compressed + sz < j->written_compressed) |
272 | return log_error_errno(SYNTHETIC_ERRNO(EOVERFLOW), "File too large, overflow"); | |
56ebfaf1 | 273 | |
baaa35ad ZJS |
274 | if (j->written_compressed + sz > j->compressed_max) |
275 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), "File overly large, refusing."); | |
56ebfaf1 LP |
276 | |
277 | if (j->content_length != (uint64_t) -1 && | |
baaa35ad ZJS |
278 | j->written_compressed + sz > j->content_length) |
279 | return log_error_errno(SYNTHETIC_ERRNO(EFBIG), | |
280 | "Content length incorrect."); | |
56ebfaf1 | 281 | |
98c38001 LP |
282 | if (j->checksum_context) |
283 | gcry_md_write(j->checksum_context, p, sz); | |
85dbc41d | 284 | |
3e2cda69 LP |
285 | r = import_uncompress(&j->compress, p, sz, pull_job_write_uncompressed, j); |
286 | if (r < 0) | |
287 | return r; | |
56ebfaf1 LP |
288 | |
289 | j->written_compressed += sz; | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
dc2c282b | 294 | static int pull_job_open_disk(PullJob *j) { |
56ebfaf1 LP |
295 | int r; |
296 | ||
297 | assert(j); | |
298 | ||
299 | if (j->on_open_disk) { | |
300 | r = j->on_open_disk(j); | |
301 | if (r < 0) | |
302 | return r; | |
303 | } | |
304 | ||
305 | if (j->disk_fd >= 0) { | |
306 | /* Check if we can do sparse files */ | |
307 | ||
308 | if (lseek(j->disk_fd, SEEK_SET, 0) == 0) | |
309 | j->allow_sparse = true; | |
310 | else { | |
311 | if (errno != ESPIPE) | |
312 | return log_error_errno(errno, "Failed to seek on file descriptor: %m"); | |
313 | ||
314 | j->allow_sparse = false; | |
315 | } | |
316 | } | |
317 | ||
98c38001 | 318 | if (j->calc_checksum) { |
eef836ed YW |
319 | initialize_libgcrypt(false); |
320 | ||
baaa35ad ZJS |
321 | if (gcry_md_open(&j->checksum_context, GCRY_MD_SHA256, 0) != 0) |
322 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
323 | "Failed to initialize hash context."); | |
85dbc41d LP |
324 | } |
325 | ||
56ebfaf1 LP |
326 | return 0; |
327 | } | |
328 | ||
dc2c282b | 329 | static int pull_job_detect_compression(PullJob *j) { |
56ebfaf1 LP |
330 | _cleanup_free_ uint8_t *stub = NULL; |
331 | size_t stub_size; | |
332 | ||
333 | int r; | |
334 | ||
335 | assert(j); | |
336 | ||
3e2cda69 LP |
337 | r = import_uncompress_detect(&j->compress, j->payload, j->payload_size); |
338 | if (r < 0) | |
339 | return log_error_errno(r, "Failed to initialize compressor: %m"); | |
340 | if (r == 0) | |
56ebfaf1 LP |
341 | return 0; |
342 | ||
3e2cda69 | 343 | log_debug("Stream is compressed: %s", import_compress_type_to_string(j->compress.type)); |
56ebfaf1 | 344 | |
dc2c282b | 345 | r = pull_job_open_disk(j); |
56ebfaf1 LP |
346 | if (r < 0) |
347 | return r; | |
348 | ||
349 | /* Now, take the payload we read so far, and decompress it */ | |
350 | stub = j->payload; | |
351 | stub_size = j->payload_size; | |
352 | ||
353 | j->payload = NULL; | |
354 | j->payload_size = 0; | |
88a1aadc | 355 | j->payload_allocated = 0; |
56ebfaf1 | 356 | |
dc2c282b | 357 | j->state = PULL_JOB_RUNNING; |
56ebfaf1 | 358 | |
dc2c282b | 359 | r = pull_job_write_compressed(j, stub, stub_size); |
56ebfaf1 LP |
360 | if (r < 0) |
361 | return r; | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
dc2c282b LP |
366 | static size_t pull_job_write_callback(void *contents, size_t size, size_t nmemb, void *userdata) { |
367 | PullJob *j = userdata; | |
56ebfaf1 LP |
368 | size_t sz = size * nmemb; |
369 | int r; | |
370 | ||
371 | assert(contents); | |
372 | assert(j); | |
373 | ||
374 | switch (j->state) { | |
375 | ||
dc2c282b | 376 | case PULL_JOB_ANALYZING: |
56ebfaf1 LP |
377 | /* Let's first check what it actually is */ |
378 | ||
379 | if (!GREEDY_REALLOC(j->payload, j->payload_allocated, j->payload_size + sz)) { | |
380 | r = log_oom(); | |
381 | goto fail; | |
382 | } | |
383 | ||
8af3cf74 | 384 | memcpy(j->payload + j->payload_size, contents, sz); |
56ebfaf1 LP |
385 | j->payload_size += sz; |
386 | ||
dc2c282b | 387 | r = pull_job_detect_compression(j); |
56ebfaf1 LP |
388 | if (r < 0) |
389 | goto fail; | |
390 | ||
391 | break; | |
392 | ||
dc2c282b | 393 | case PULL_JOB_RUNNING: |
56ebfaf1 | 394 | |
dc2c282b | 395 | r = pull_job_write_compressed(j, contents, sz); |
56ebfaf1 LP |
396 | if (r < 0) |
397 | goto fail; | |
398 | ||
399 | break; | |
400 | ||
dc2c282b LP |
401 | case PULL_JOB_DONE: |
402 | case PULL_JOB_FAILED: | |
56ebfaf1 LP |
403 | r = -ESTALE; |
404 | goto fail; | |
405 | ||
406 | default: | |
407 | assert_not_reached("Impossible state."); | |
408 | } | |
409 | ||
410 | return sz; | |
411 | ||
412 | fail: | |
dc2c282b | 413 | pull_job_finish(j, r); |
56ebfaf1 LP |
414 | return 0; |
415 | } | |
416 | ||
dc2c282b LP |
417 | static size_t pull_job_header_callback(void *contents, size_t size, size_t nmemb, void *userdata) { |
418 | PullJob *j = userdata; | |
56ebfaf1 LP |
419 | size_t sz = size * nmemb; |
420 | _cleanup_free_ char *length = NULL, *last_modified = NULL; | |
421 | char *etag; | |
422 | int r; | |
423 | ||
424 | assert(contents); | |
425 | assert(j); | |
426 | ||
3742095b | 427 | if (IN_SET(j->state, PULL_JOB_DONE, PULL_JOB_FAILED)) { |
56ebfaf1 LP |
428 | r = -ESTALE; |
429 | goto fail; | |
430 | } | |
431 | ||
dc2c282b | 432 | assert(j->state == PULL_JOB_ANALYZING); |
56ebfaf1 LP |
433 | |
434 | r = curl_header_strdup(contents, sz, "ETag:", &etag); | |
435 | if (r < 0) { | |
436 | log_oom(); | |
437 | goto fail; | |
438 | } | |
439 | if (r > 0) { | |
440 | free(j->etag); | |
441 | j->etag = etag; | |
442 | ||
443 | if (strv_contains(j->old_etags, j->etag)) { | |
444 | log_info("Image already downloaded. Skipping download."); | |
85dbc41d | 445 | j->etag_exists = true; |
dc2c282b | 446 | pull_job_finish(j, 0); |
56ebfaf1 LP |
447 | return sz; |
448 | } | |
449 | ||
450 | return sz; | |
451 | } | |
452 | ||
453 | r = curl_header_strdup(contents, sz, "Content-Length:", &length); | |
454 | if (r < 0) { | |
455 | log_oom(); | |
456 | goto fail; | |
457 | } | |
458 | if (r > 0) { | |
459 | (void) safe_atou64(length, &j->content_length); | |
460 | ||
461 | if (j->content_length != (uint64_t) -1) { | |
462 | char bytes[FORMAT_BYTES_MAX]; | |
463 | ||
464 | if (j->content_length > j->compressed_max) { | |
465 | log_error("Content too large."); | |
466 | r = -EFBIG; | |
467 | goto fail; | |
468 | } | |
469 | ||
68c913fd | 470 | log_info("Downloading %s for %s.", format_bytes(bytes, sizeof(bytes), j->content_length), j->url); |
56ebfaf1 LP |
471 | } |
472 | ||
473 | return sz; | |
474 | } | |
475 | ||
476 | r = curl_header_strdup(contents, sz, "Last-Modified:", &last_modified); | |
477 | if (r < 0) { | |
478 | log_oom(); | |
479 | goto fail; | |
480 | } | |
481 | if (r > 0) { | |
482 | (void) curl_parse_http_time(last_modified, &j->mtime); | |
483 | return sz; | |
484 | } | |
485 | ||
ff2670ad LP |
486 | if (j->on_header) { |
487 | r = j->on_header(j, contents, sz); | |
488 | if (r < 0) | |
489 | goto fail; | |
490 | } | |
491 | ||
56ebfaf1 LP |
492 | return sz; |
493 | ||
494 | fail: | |
dc2c282b | 495 | pull_job_finish(j, r); |
56ebfaf1 LP |
496 | return 0; |
497 | } | |
498 | ||
dc2c282b LP |
499 | static int pull_job_progress_callback(void *userdata, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow) { |
500 | PullJob *j = userdata; | |
56ebfaf1 LP |
501 | unsigned percent; |
502 | usec_t n; | |
503 | ||
504 | assert(j); | |
505 | ||
506 | if (dltotal <= 0) | |
507 | return 0; | |
508 | ||
509 | percent = ((100 * dlnow) / dltotal); | |
510 | n = now(CLOCK_MONOTONIC); | |
511 | ||
512 | if (n > j->last_status_usec + USEC_PER_SEC && | |
68c913fd LP |
513 | percent != j->progress_percent && |
514 | dlnow < dltotal) { | |
56ebfaf1 LP |
515 | char buf[FORMAT_TIMESPAN_MAX]; |
516 | ||
517 | if (n - j->start_usec > USEC_PER_SEC && dlnow > 0) { | |
90bc083b | 518 | char y[FORMAT_BYTES_MAX]; |
56ebfaf1 LP |
519 | usec_t left, done; |
520 | ||
521 | done = n - j->start_usec; | |
522 | left = (usec_t) (((double) done * (double) dltotal) / dlnow) - done; | |
523 | ||
90bc083b LP |
524 | log_info("Got %u%% of %s. %s left at %s/s.", |
525 | percent, | |
526 | j->url, | |
527 | format_timespan(buf, sizeof(buf), left, USEC_PER_SEC), | |
528 | format_bytes(y, sizeof(y), (uint64_t) ((double) dlnow / ((double) done / (double) USEC_PER_SEC)))); | |
56ebfaf1 LP |
529 | } else |
530 | log_info("Got %u%% of %s.", percent, j->url); | |
531 | ||
532 | j->progress_percent = percent; | |
533 | j->last_status_usec = n; | |
7079cfef LP |
534 | |
535 | if (j->on_progress) | |
536 | j->on_progress(j); | |
56ebfaf1 LP |
537 | } |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
dc2c282b LP |
542 | int pull_job_new(PullJob **ret, const char *url, CurlGlue *glue, void *userdata) { |
543 | _cleanup_(pull_job_unrefp) PullJob *j = NULL; | |
0d94088e | 544 | _cleanup_free_ char *u = NULL; |
56ebfaf1 LP |
545 | |
546 | assert(url); | |
547 | assert(glue); | |
548 | assert(ret); | |
549 | ||
0d94088e | 550 | u = strdup(url); |
9b5b4bed | 551 | if (!u) |
56ebfaf1 LP |
552 | return -ENOMEM; |
553 | ||
0d94088e YW |
554 | j = new(PullJob, 1); |
555 | if (!j) | |
56ebfaf1 LP |
556 | return -ENOMEM; |
557 | ||
0d94088e YW |
558 | *j = (PullJob) { |
559 | .state = PULL_JOB_INIT, | |
560 | .disk_fd = -1, | |
561 | .userdata = userdata, | |
562 | .glue = glue, | |
563 | .content_length = (uint64_t) -1, | |
564 | .start_usec = now(CLOCK_MONOTONIC), | |
565 | .compressed_max = 64LLU * 1024LLU * 1024LLU * 1024LLU, /* 64GB safety limit */ | |
566 | .uncompressed_max = 64LLU * 1024LLU * 1024LLU * 1024LLU, /* 64GB safety limit */ | |
0d94088e YW |
567 | .url = TAKE_PTR(u), |
568 | }; | |
569 | ||
1cc6c93a | 570 | *ret = TAKE_PTR(j); |
56ebfaf1 LP |
571 | |
572 | return 0; | |
573 | } | |
574 | ||
dc2c282b | 575 | int pull_job_begin(PullJob *j) { |
56ebfaf1 LP |
576 | int r; |
577 | ||
578 | assert(j); | |
579 | ||
dc2c282b | 580 | if (j->state != PULL_JOB_INIT) |
56ebfaf1 LP |
581 | return -EBUSY; |
582 | ||
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 | ||
b910cc72 | 594 | hdr = strjoin("If-None-Match: ", cc); |
56ebfaf1 LP |
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 | } |