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Commit | Line | Data |
---|---|---|
6eb7ed54 DB |
1 | #include "cache.h" |
2 | #include "commit.h" | |
30ae764b | 3 | #include "walker.h" |
29508e1e | 4 | #include "http.h" |
94e99012 | 5 | #include "list.h" |
abcbdc03 | 6 | #include "transport.h" |
7baa3e86 | 7 | |
9cba13ca | 8 | struct alt_base { |
2afea3bc | 9 | char *base; |
b3661567 DB |
10 | int got_indices; |
11 | struct packed_git *packs; | |
12 | struct alt_base *next; | |
13 | }; | |
14 | ||
e388ab74 | 15 | enum object_request_state { |
1d389ab6 NH |
16 | WAITING, |
17 | ABORTED, | |
18 | ACTIVE, | |
4b05548f | 19 | COMPLETE |
1d389ab6 | 20 | }; |
6eb7ed54 | 21 | |
9cba13ca | 22 | struct object_request { |
30ae764b | 23 | struct walker *walker; |
1d389ab6 NH |
24 | unsigned char sha1[20]; |
25 | struct alt_base *repo; | |
e388ab74 | 26 | enum object_request_state state; |
5424bc55 | 27 | struct http_object_request *req; |
94e99012 | 28 | struct list_head node; |
1d389ab6 NH |
29 | }; |
30 | ||
e388ab74 | 31 | struct alternates_request { |
30ae764b | 32 | struct walker *walker; |
8e29f6a0 | 33 | const char *base; |
54ba4c5f | 34 | struct strbuf *url; |
028c2976 | 35 | struct strbuf *buffer; |
acc075a8 NH |
36 | struct active_request_slot *slot; |
37 | int http_specific; | |
38 | }; | |
39 | ||
30ae764b DB |
40 | struct walker_data { |
41 | const char *url; | |
42 | int got_alternates; | |
43 | struct alt_base *alt; | |
30ae764b DB |
44 | }; |
45 | ||
94e99012 | 46 | static LIST_HEAD(object_queue_head); |
bc8f2652 | 47 | |
30ae764b | 48 | static void fetch_alternates(struct walker *walker, const char *base); |
1d389ab6 | 49 | |
29508e1e | 50 | static void process_object_response(void *callback_data); |
1d389ab6 | 51 | |
30ae764b DB |
52 | static void start_object_request(struct walker *walker, |
53 | struct object_request *obj_req) | |
1d389ab6 | 54 | { |
1d389ab6 | 55 | struct active_request_slot *slot; |
5424bc55 | 56 | struct http_object_request *req; |
1d389ab6 | 57 | |
5424bc55 TRC |
58 | req = new_http_object_request(obj_req->repo->base, obj_req->sha1); |
59 | if (req == NULL) { | |
e388ab74 | 60 | obj_req->state = ABORTED; |
1d389ab6 NH |
61 | return; |
62 | } | |
5424bc55 | 63 | obj_req->req = req; |
1d389ab6 | 64 | |
5424bc55 | 65 | slot = req->slot; |
29508e1e | 66 | slot->callback_func = process_object_response; |
e388ab74 | 67 | slot->callback_data = obj_req; |
1d389ab6 | 68 | |
a7a8d378 | 69 | /* Try to get the request started, abort the request on error */ |
e388ab74 | 70 | obj_req->state = ACTIVE; |
1d389ab6 | 71 | if (!start_active_slot(slot)) { |
e388ab74 | 72 | obj_req->state = ABORTED; |
5424bc55 | 73 | release_http_object_request(req); |
e388ab74 | 74 | return; |
1d389ab6 | 75 | } |
1d389ab6 NH |
76 | } |
77 | ||
e388ab74 | 78 | static void finish_object_request(struct object_request *obj_req) |
1d389ab6 | 79 | { |
5424bc55 | 80 | if (finish_http_object_request(obj_req->req)) |
1d389ab6 | 81 | return; |
1d389ab6 | 82 | |
5424bc55 | 83 | if (obj_req->req->rename == 0) |
30ae764b | 84 | walker_say(obj_req->walker, "got %s\n", sha1_to_hex(obj_req->sha1)); |
1d389ab6 NH |
85 | } |
86 | ||
29508e1e NH |
87 | static void process_object_response(void *callback_data) |
88 | { | |
e388ab74 NH |
89 | struct object_request *obj_req = |
90 | (struct object_request *)callback_data; | |
30ae764b DB |
91 | struct walker *walker = obj_req->walker; |
92 | struct walker_data *data = walker->data; | |
93 | struct alt_base *alt = data->alt; | |
29508e1e | 94 | |
5424bc55 | 95 | process_http_object_request(obj_req->req); |
e388ab74 | 96 | obj_req->state = COMPLETE; |
29508e1e NH |
97 | |
98 | /* Use alternates if necessary */ | |
5424bc55 | 99 | if (missing_target(obj_req->req)) { |
30ae764b | 100 | fetch_alternates(walker, alt->base); |
e388ab74 NH |
101 | if (obj_req->repo->next != NULL) { |
102 | obj_req->repo = | |
103 | obj_req->repo->next; | |
5424bc55 | 104 | release_http_object_request(obj_req->req); |
30ae764b | 105 | start_object_request(walker, obj_req); |
29508e1e NH |
106 | return; |
107 | } | |
108 | } | |
109 | ||
e388ab74 | 110 | finish_object_request(obj_req); |
29508e1e NH |
111 | } |
112 | ||
e388ab74 | 113 | static void release_object_request(struct object_request *obj_req) |
1d389ab6 | 114 | { |
5424bc55 TRC |
115 | if (obj_req->req !=NULL && obj_req->req->localfile != -1) |
116 | error("fd leakage in release: %d", obj_req->req->localfile); | |
1d389ab6 | 117 | |
94e99012 | 118 | list_del(&obj_req->node); |
e388ab74 | 119 | free(obj_req); |
1d389ab6 NH |
120 | } |
121 | ||
a7a8d378 | 122 | #ifdef USE_CURL_MULTI |
30ae764b | 123 | static int fill_active_slot(struct walker *walker) |
1d389ab6 | 124 | { |
45c17412 | 125 | struct object_request *obj_req; |
94e99012 | 126 | struct list_head *pos, *tmp, *head = &object_queue_head; |
1d389ab6 | 127 | |
94e99012 EW |
128 | list_for_each_safe(pos, tmp, head) { |
129 | obj_req = list_entry(pos, struct object_request, node); | |
e388ab74 NH |
130 | if (obj_req->state == WAITING) { |
131 | if (has_sha1_file(obj_req->sha1)) | |
09db444f | 132 | obj_req->state = COMPLETE; |
45c17412 | 133 | else { |
30ae764b | 134 | start_object_request(walker, obj_req); |
45c17412 DB |
135 | return 1; |
136 | } | |
f1a906a3 | 137 | } |
8fcf7f9a | 138 | } |
45c17412 | 139 | return 0; |
1d389ab6 | 140 | } |
a7a8d378 | 141 | #endif |
1d389ab6 | 142 | |
30ae764b | 143 | static void prefetch(struct walker *walker, unsigned char *sha1) |
1d389ab6 | 144 | { |
e388ab74 | 145 | struct object_request *newreq; |
30ae764b | 146 | struct walker_data *data = walker->data; |
1d389ab6 NH |
147 | |
148 | newreq = xmalloc(sizeof(*newreq)); | |
30ae764b | 149 | newreq->walker = walker; |
e702496e | 150 | hashcpy(newreq->sha1, sha1); |
30ae764b | 151 | newreq->repo = data->alt; |
1d389ab6 | 152 | newreq->state = WAITING; |
5424bc55 | 153 | newreq->req = NULL; |
1d389ab6 | 154 | |
e9176745 | 155 | http_is_verbose = walker->get_verbosely; |
94e99012 | 156 | list_add_tail(&newreq->node, &object_queue_head); |
29508e1e | 157 | |
a7a8d378 | 158 | #ifdef USE_CURL_MULTI |
29508e1e NH |
159 | fill_active_slots(); |
160 | step_active_slots(); | |
a7a8d378 | 161 | #endif |
1d389ab6 NH |
162 | } |
163 | ||
abcbdc03 JK |
164 | static int is_alternate_allowed(const char *url) |
165 | { | |
166 | const char *protocols[] = { | |
167 | "http", "https", "ftp", "ftps" | |
168 | }; | |
169 | int i; | |
170 | ||
171 | for (i = 0; i < ARRAY_SIZE(protocols); i++) { | |
172 | const char *end; | |
173 | if (skip_prefix(url, protocols[i], &end) && | |
174 | starts_with(end, "://")) | |
175 | break; | |
176 | } | |
177 | ||
178 | if (i >= ARRAY_SIZE(protocols)) { | |
179 | warning("ignoring alternate with unknown protocol: %s", url); | |
180 | return 0; | |
181 | } | |
182 | if (!is_transport_allowed(protocols[i], 0)) { | |
183 | warning("ignoring alternate with restricted protocol: %s", url); | |
184 | return 0; | |
185 | } | |
186 | ||
187 | return 1; | |
188 | } | |
189 | ||
e388ab74 | 190 | static void process_alternates_response(void *callback_data) |
b3661567 | 191 | { |
e388ab74 NH |
192 | struct alternates_request *alt_req = |
193 | (struct alternates_request *)callback_data; | |
30ae764b DB |
194 | struct walker *walker = alt_req->walker; |
195 | struct walker_data *cdata = walker->data; | |
acc075a8 | 196 | struct active_request_slot *slot = alt_req->slot; |
30ae764b | 197 | struct alt_base *tail = cdata->alt; |
8e29f6a0 | 198 | const char *base = alt_req->base; |
a04ff3ec | 199 | const char null_byte = '\0'; |
acc075a8 NH |
200 | char *data; |
201 | int i = 0; | |
1d389ab6 | 202 | |
acc075a8 NH |
203 | if (alt_req->http_specific) { |
204 | if (slot->curl_result != CURLE_OK || | |
028c2976 | 205 | !alt_req->buffer->len) { |
acc075a8 NH |
206 | |
207 | /* Try reusing the slot to get non-http alternates */ | |
208 | alt_req->http_specific = 0; | |
54ba4c5f JK |
209 | strbuf_reset(alt_req->url); |
210 | strbuf_addf(alt_req->url, "%s/objects/info/alternates", | |
211 | base); | |
acc075a8 | 212 | curl_easy_setopt(slot->curl, CURLOPT_URL, |
54ba4c5f | 213 | alt_req->url->buf); |
acc075a8 NH |
214 | active_requests++; |
215 | slot->in_use = 1; | |
c9826473 NH |
216 | if (slot->finished != NULL) |
217 | (*slot->finished) = 0; | |
a3f583cb | 218 | if (!start_active_slot(slot)) { |
30ae764b | 219 | cdata->got_alternates = -1; |
29508e1e | 220 | slot->in_use = 0; |
c9826473 NH |
221 | if (slot->finished != NULL) |
222 | (*slot->finished) = 1; | |
1d389ab6 | 223 | } |
a3f583cb | 224 | return; |
b3661567 | 225 | } |
acc075a8 | 226 | } else if (slot->curl_result != CURLE_OK) { |
be4a015b | 227 | if (!missing_target(slot)) { |
30ae764b | 228 | cdata->got_alternates = -1; |
acc075a8 NH |
229 | return; |
230 | } | |
b3661567 DB |
231 | } |
232 | ||
a04ff3ec | 233 | fwrite_buffer((char *)&null_byte, 1, 1, alt_req->buffer); |
028c2976 MH |
234 | alt_req->buffer->len--; |
235 | data = alt_req->buffer->buf; | |
1b0c1e67 | 236 | |
028c2976 | 237 | while (i < alt_req->buffer->len) { |
b3661567 | 238 | int posn = i; |
028c2976 | 239 | while (posn < alt_req->buffer->len && data[posn] != '\n') |
b3661567 DB |
240 | posn++; |
241 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
242 | int okay = 0; |
243 | int serverlen = 0; | |
244 | struct alt_base *newalt; | |
b3661567 | 245 | if (data[i] == '/') { |
4c42aa1a TRC |
246 | /* |
247 | * This counts | |
5df1e0d0 JH |
248 | * http://git.host/pub/scm/linux.git/ |
249 | * -----------here^ | |
250 | * so memcpy(dst, base, serverlen) will | |
251 | * copy up to "...git.host". | |
252 | */ | |
253 | const char *colon_ss = strstr(base,"://"); | |
254 | if (colon_ss) { | |
255 | serverlen = (strchr(colon_ss + 3, '/') | |
256 | - base); | |
257 | okay = 1; | |
258 | } | |
1b0c1e67 | 259 | } else if (!memcmp(data + i, "../", 3)) { |
4c42aa1a TRC |
260 | /* |
261 | * Relative URL; chop the corresponding | |
5df1e0d0 JH |
262 | * number of subpath from base (and ../ |
263 | * from data), and concatenate the result. | |
264 | * | |
265 | * The code first drops ../ from data, and | |
266 | * then drops one ../ from data and one path | |
267 | * from base. IOW, one extra ../ is dropped | |
268 | * from data than path is dropped from base. | |
269 | * | |
270 | * This is not wrong. The alternate in | |
271 | * http://git.host/pub/scm/linux.git/ | |
272 | * to borrow from | |
273 | * http://git.host/pub/scm/linus.git/ | |
274 | * is ../../linus.git/objects/. You need | |
275 | * two ../../ to borrow from your direct | |
276 | * neighbour. | |
277 | */ | |
1b0c1e67 DB |
278 | i += 3; |
279 | serverlen = strlen(base); | |
8fcf7f9a | 280 | while (i + 2 < posn && |
1b0c1e67 DB |
281 | !memcmp(data + i, "../", 3)) { |
282 | do { | |
283 | serverlen--; | |
284 | } while (serverlen && | |
285 | base[serverlen - 1] != '/'); | |
286 | i += 3; | |
287 | } | |
a9486b02 | 288 | /* If the server got removed, give up. */ |
8fcf7f9a | 289 | okay = strchr(base, ':') - base + 3 < |
4c42aa1a | 290 | serverlen; |
acc075a8 | 291 | } else if (alt_req->http_specific) { |
1b0c1e67 DB |
292 | char *colon = strchr(data + i, ':'); |
293 | char *slash = strchr(data + i, '/'); | |
294 | if (colon && slash && colon < data + posn && | |
295 | slash < data + posn && colon < slash) { | |
296 | okay = 1; | |
297 | } | |
298 | } | |
5df1e0d0 | 299 | /* skip "objects\n" at end */ |
1b0c1e67 | 300 | if (okay) { |
59b8263a RS |
301 | struct strbuf target = STRBUF_INIT; |
302 | strbuf_add(&target, base, serverlen); | |
303 | strbuf_add(&target, data + i, posn - i - 7); | |
abcbdc03 JK |
304 | |
305 | if (is_alternate_allowed(target.buf)) { | |
306 | warning("adding alternate object store: %s", | |
307 | target.buf); | |
308 | newalt = xmalloc(sizeof(*newalt)); | |
309 | newalt->next = NULL; | |
310 | newalt->base = strbuf_detach(&target, NULL); | |
311 | newalt->got_indices = 0; | |
312 | newalt->packs = NULL; | |
313 | ||
314 | while (tail->next != NULL) | |
315 | tail = tail->next; | |
316 | tail->next = newalt; | |
317 | } | |
b3661567 DB |
318 | } |
319 | } | |
320 | i = posn + 1; | |
321 | } | |
bc8f2652 | 322 | |
30ae764b | 323 | cdata->got_alternates = 1; |
acc075a8 NH |
324 | } |
325 | ||
30ae764b | 326 | static void fetch_alternates(struct walker *walker, const char *base) |
acc075a8 | 327 | { |
028c2976 | 328 | struct strbuf buffer = STRBUF_INIT; |
54ba4c5f | 329 | struct strbuf url = STRBUF_INIT; |
acc075a8 | 330 | struct active_request_slot *slot; |
cb754fdf | 331 | struct alternates_request alt_req; |
30ae764b | 332 | struct walker_data *cdata = walker->data; |
acc075a8 | 333 | |
cb4d2d35 JK |
334 | if (http_follow_config != HTTP_FOLLOW_ALWAYS) |
335 | return; | |
336 | ||
4c42aa1a TRC |
337 | /* |
338 | * If another request has already started fetching alternates, | |
339 | * wait for them to arrive and return to processing this request's | |
340 | * curl message | |
341 | */ | |
29508e1e | 342 | #ifdef USE_CURL_MULTI |
30ae764b | 343 | while (cdata->got_alternates == 0) { |
29508e1e | 344 | step_active_slots(); |
acc075a8 | 345 | } |
29508e1e | 346 | #endif |
acc075a8 NH |
347 | |
348 | /* Nothing to do if they've already been fetched */ | |
30ae764b | 349 | if (cdata->got_alternates == 1) |
acc075a8 NH |
350 | return; |
351 | ||
352 | /* Start the fetch */ | |
30ae764b | 353 | cdata->got_alternates = 0; |
acc075a8 | 354 | |
30ae764b | 355 | if (walker->get_verbosely) |
acc075a8 | 356 | fprintf(stderr, "Getting alternates list for %s\n", base); |
8fcf7f9a | 357 | |
54ba4c5f | 358 | strbuf_addf(&url, "%s/objects/info/http-alternates", base); |
acc075a8 | 359 | |
4c42aa1a TRC |
360 | /* |
361 | * Use a callback to process the result, since another request | |
362 | * may fail and need to have alternates loaded before continuing | |
363 | */ | |
acc075a8 | 364 | slot = get_active_slot(); |
e388ab74 | 365 | slot->callback_func = process_alternates_response; |
30ae764b | 366 | alt_req.walker = walker; |
acc075a8 NH |
367 | slot->callback_data = &alt_req; |
368 | ||
369 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 370 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
54ba4c5f | 371 | curl_easy_setopt(slot->curl, CURLOPT_URL, url.buf); |
acc075a8 NH |
372 | |
373 | alt_req.base = base; | |
54ba4c5f | 374 | alt_req.url = &url; |
acc075a8 NH |
375 | alt_req.buffer = &buffer; |
376 | alt_req.http_specific = 1; | |
377 | alt_req.slot = slot; | |
378 | ||
379 | if (start_active_slot(slot)) | |
380 | run_active_slot(slot); | |
381 | else | |
30ae764b | 382 | cdata->got_alternates = -1; |
acc075a8 | 383 | |
028c2976 | 384 | strbuf_release(&buffer); |
54ba4c5f | 385 | strbuf_release(&url); |
b3661567 DB |
386 | } |
387 | ||
30ae764b | 388 | static int fetch_indices(struct walker *walker, struct alt_base *repo) |
182005b9 | 389 | { |
b8caac2b | 390 | int ret; |
1d389ab6 | 391 | |
b3661567 | 392 | if (repo->got_indices) |
182005b9 DB |
393 | return 0; |
394 | ||
30ae764b | 395 | if (walker->get_verbosely) |
6fd72e39 | 396 | fprintf(stderr, "Getting pack list for %s\n", repo->base); |
8fcf7f9a | 397 | |
b8caac2b TRC |
398 | switch (http_get_info_packs(repo->base, &repo->packs)) { |
399 | case HTTP_OK: | |
400 | case HTTP_MISSING_TARGET: | |
401 | repo->got_indices = 1; | |
402 | ret = 0; | |
403 | break; | |
404 | default: | |
5e3a7691 | 405 | repo->got_indices = 0; |
b8caac2b | 406 | ret = -1; |
b3661567 | 407 | } |
182005b9 | 408 | |
3a462bc9 | 409 | return ret; |
182005b9 DB |
410 | } |
411 | ||
07c19e72 | 412 | static int http_fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1) |
182005b9 | 413 | { |
182005b9 | 414 | struct packed_git *target; |
49a0f240 | 415 | int ret; |
cb754fdf | 416 | struct slot_results results; |
2264dfa5 | 417 | struct http_pack_request *preq; |
182005b9 | 418 | |
30ae764b | 419 | if (fetch_indices(walker, repo)) |
182005b9 | 420 | return -1; |
b3661567 | 421 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 422 | if (!target) |
b3661567 | 423 | return -1; |
182005b9 | 424 | |
30ae764b | 425 | if (walker->get_verbosely) { |
182005b9 DB |
426 | fprintf(stderr, "Getting pack %s\n", |
427 | sha1_to_hex(target->sha1)); | |
428 | fprintf(stderr, " which contains %s\n", | |
429 | sha1_to_hex(sha1)); | |
430 | } | |
431 | ||
2264dfa5 TRC |
432 | preq = new_http_pack_request(target, repo->base); |
433 | if (preq == NULL) | |
434 | goto abort; | |
435 | preq->lst = &repo->packs; | |
436 | preq->slot->results = &results; | |
182005b9 | 437 | |
2264dfa5 TRC |
438 | if (start_active_slot(preq->slot)) { |
439 | run_active_slot(preq->slot); | |
c8568e13 | 440 | if (results.curl_result != CURLE_OK) { |
2264dfa5 TRC |
441 | error("Unable to get pack file %s\n%s", preq->url, |
442 | curl_errorstr); | |
443 | goto abort; | |
1d389ab6 NH |
444 | } |
445 | } else { | |
2264dfa5 TRC |
446 | error("Unable to start request"); |
447 | goto abort; | |
182005b9 DB |
448 | } |
449 | ||
2264dfa5 TRC |
450 | ret = finish_http_pack_request(preq); |
451 | release_http_pack_request(preq); | |
49a0f240 | 452 | if (ret) |
b721e01f | 453 | return ret; |
49a0f240 | 454 | |
182005b9 | 455 | return 0; |
2264dfa5 TRC |
456 | |
457 | abort: | |
458 | return -1; | |
182005b9 DB |
459 | } |
460 | ||
53f31389 MW |
461 | static void abort_object_request(struct object_request *obj_req) |
462 | { | |
53f31389 MW |
463 | release_object_request(obj_req); |
464 | } | |
465 | ||
43b8bba6 | 466 | static int fetch_object(struct walker *walker, unsigned char *sha1) |
6eb7ed54 DB |
467 | { |
468 | char *hex = sha1_to_hex(sha1); | |
29508e1e | 469 | int ret = 0; |
94e99012 | 470 | struct object_request *obj_req = NULL; |
5424bc55 | 471 | struct http_object_request *req; |
94e99012 | 472 | struct list_head *pos, *head = &object_queue_head; |
1d389ab6 | 473 | |
94e99012 EW |
474 | list_for_each(pos, head) { |
475 | obj_req = list_entry(pos, struct object_request, node); | |
476 | if (!hashcmp(obj_req->sha1, sha1)) | |
477 | break; | |
478 | } | |
e388ab74 | 479 | if (obj_req == NULL) |
1d389ab6 NH |
480 | return error("Couldn't find request for %s in the queue", hex); |
481 | ||
e388ab74 | 482 | if (has_sha1_file(obj_req->sha1)) { |
5424bc55 TRC |
483 | if (obj_req->req != NULL) |
484 | abort_http_object_request(obj_req->req); | |
53f31389 | 485 | abort_object_request(obj_req); |
11f0dafe NH |
486 | return 0; |
487 | } | |
488 | ||
a7a8d378 | 489 | #ifdef USE_CURL_MULTI |
4c42aa1a | 490 | while (obj_req->state == WAITING) |
29508e1e | 491 | step_active_slots(); |
a7a8d378 | 492 | #else |
30ae764b | 493 | start_object_request(walker, obj_req); |
a7a8d378 | 494 | #endif |
6eb7ed54 | 495 | |
5424bc55 TRC |
496 | /* |
497 | * obj_req->req might change when fetching alternates in the callback | |
498 | * process_object_response; therefore, the "shortcut" variable, req, | |
499 | * is used only after we're done with slots. | |
500 | */ | |
4c42aa1a | 501 | while (obj_req->state == ACTIVE) |
5424bc55 TRC |
502 | run_active_slot(obj_req->req->slot); |
503 | ||
504 | req = obj_req->req; | |
4c42aa1a | 505 | |
5424bc55 TRC |
506 | if (req->localfile != -1) { |
507 | close(req->localfile); | |
508 | req->localfile = -1; | |
313c4714 | 509 | } |
6eb7ed54 | 510 | |
17966c0a EW |
511 | /* |
512 | * we turned off CURLOPT_FAILONERROR to avoid losing a | |
513 | * persistent connection and got CURLE_OK. | |
514 | */ | |
3680f16f | 515 | if (req->http_code >= 300 && req->curl_result == CURLE_OK && |
17966c0a | 516 | (starts_with(req->url, "http://") || |
3680f16f | 517 | starts_with(req->url, "https://"))) { |
17966c0a | 518 | req->curl_result = CURLE_HTTP_RETURNED_ERROR; |
3680f16f JK |
519 | xsnprintf(req->errorstr, sizeof(req->errorstr), |
520 | "HTTP request failed"); | |
521 | } | |
17966c0a | 522 | |
e388ab74 | 523 | if (obj_req->state == ABORTED) { |
29508e1e | 524 | ret = error("Request for %s aborted", hex); |
5424bc55 TRC |
525 | } else if (req->curl_result != CURLE_OK && |
526 | req->http_code != 416) { | |
527 | if (missing_target(req)) | |
e2029eb9 PB |
528 | ret = -1; /* Be silent, it is probably in a pack. */ |
529 | else | |
530 | ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)", | |
5424bc55 TRC |
531 | req->errorstr, req->curl_result, |
532 | req->http_code, hex); | |
533 | } else if (req->zret != Z_STREAM_END) { | |
30ae764b | 534 | walker->corrupt_object_found++; |
5424bc55 TRC |
535 | ret = error("File %s (%s) corrupt", hex, req->url); |
536 | } else if (hashcmp(obj_req->sha1, req->real_sha1)) { | |
bd2afde8 | 537 | ret = error("File %s has bad hash", hex); |
5424bc55 | 538 | } else if (req->rename < 0) { |
7b934ec0 | 539 | ret = error("unable to write sha1 filename %s", |
0da8b2e7 | 540 | sha1_file_name(req->sha1)); |
6eb7ed54 | 541 | } |
49a0f240 | 542 | |
5424bc55 | 543 | release_http_object_request(req); |
e388ab74 | 544 | release_object_request(obj_req); |
29508e1e | 545 | return ret; |
6eb7ed54 DB |
546 | } |
547 | ||
30ae764b | 548 | static int fetch(struct walker *walker, unsigned char *sha1) |
b3661567 | 549 | { |
30ae764b DB |
550 | struct walker_data *data = walker->data; |
551 | struct alt_base *altbase = data->alt; | |
1d389ab6 | 552 | |
43b8bba6 | 553 | if (!fetch_object(walker, sha1)) |
1d389ab6 | 554 | return 0; |
b3661567 | 555 | while (altbase) { |
07c19e72 | 556 | if (!http_fetch_pack(walker, altbase, sha1)) |
b3661567 | 557 | return 0; |
30ae764b | 558 | fetch_alternates(walker, data->alt->base); |
b3661567 DB |
559 | altbase = altbase->next; |
560 | } | |
bd2afde8 | 561 | return error("Unable to find %s under %s", sha1_to_hex(sha1), |
30ae764b | 562 | data->alt->base); |
b3661567 DB |
563 | } |
564 | ||
c13b2633 | 565 | static int fetch_ref(struct walker *walker, struct ref *ref) |
cd541a68 | 566 | { |
30ae764b | 567 | struct walker_data *data = walker->data; |
c13b2633 | 568 | return http_fetch_ref(data->alt->base, ref); |
cd541a68 DB |
569 | } |
570 | ||
30ae764b DB |
571 | static void cleanup(struct walker *walker) |
572 | { | |
09ae9aca TRC |
573 | struct walker_data *data = walker->data; |
574 | struct alt_base *alt, *alt_next; | |
575 | ||
576 | if (data) { | |
577 | alt = data->alt; | |
578 | while (alt) { | |
579 | alt_next = alt->next; | |
580 | ||
581 | free(alt->base); | |
582 | free(alt); | |
583 | ||
584 | alt = alt_next; | |
585 | } | |
586 | free(data); | |
587 | walker->data = NULL; | |
588 | } | |
30ae764b DB |
589 | } |
590 | ||
888692b7 | 591 | struct walker *get_http_walker(const char *url) |
6eb7ed54 | 592 | { |
9c880b3e | 593 | char *s; |
30ae764b DB |
594 | struct walker_data *data = xmalloc(sizeof(struct walker_data)); |
595 | struct walker *walker = xmalloc(sizeof(struct walker)); | |
6eb7ed54 | 596 | |
30ae764b | 597 | data->alt = xmalloc(sizeof(*data->alt)); |
95244ae3 | 598 | data->alt->base = xstrdup(url); |
30ae764b | 599 | for (s = data->alt->base + strlen(data->alt->base) - 1; *s == '/'; --s) |
9c880b3e | 600 | *s = 0; |
6eb7ed54 | 601 | |
30ae764b DB |
602 | data->alt->got_indices = 0; |
603 | data->alt->packs = NULL; | |
604 | data->alt->next = NULL; | |
605 | data->got_alternates = -1; | |
fc57b6aa | 606 | |
30ae764b DB |
607 | walker->corrupt_object_found = 0; |
608 | walker->fetch = fetch; | |
609 | walker->fetch_ref = fetch_ref; | |
610 | walker->prefetch = prefetch; | |
611 | walker->cleanup = cleanup; | |
612 | walker->data = data; | |
6eb7ed54 | 613 | |
30ae764b DB |
614 | #ifdef USE_CURL_MULTI |
615 | add_fill_function(walker, (int (*)(void *)) fill_active_slot); | |
616 | #endif | |
8e29f6a0 | 617 | |
30ae764b | 618 | return walker; |
6eb7ed54 | 619 | } |