]>
Commit | Line | Data |
---|---|---|
6eb7ed54 DB |
1 | #include "cache.h" |
2 | #include "commit.h" | |
271421cd | 3 | #include "pack.h" |
215a7ad1 | 4 | #include "fetch.h" |
4250a5e5 | 5 | |
6eb7ed54 DB |
6 | #include <curl/curl.h> |
7 | #include <curl/easy.h> | |
8 | ||
a7a8d378 NH |
9 | #if LIBCURL_VERSION_NUM >= 0x070908 |
10 | #define USE_CURL_MULTI | |
1d389ab6 | 11 | #define DEFAULT_MAX_REQUESTS 5 |
a7a8d378 | 12 | #endif |
1d389ab6 | 13 | |
4a30976e JS |
14 | #if LIBCURL_VERSION_NUM < 0x070704 |
15 | #define curl_global_cleanup() do { /* nothing */ } while(0) | |
16 | #endif | |
17 | #if LIBCURL_VERSION_NUM < 0x070800 | |
18 | #define curl_global_init(a) do { /* nothing */ } while(0) | |
19 | #endif | |
4a30976e | 20 | |
49a0f240 NH |
21 | #define PREV_BUF_SIZE 4096 |
22 | #define RANGE_HEADER_SIZE 30 | |
23 | ||
1d389ab6 NH |
24 | static int active_requests = 0; |
25 | static int data_received; | |
26 | ||
a7a8d378 NH |
27 | #ifdef USE_CURL_MULTI |
28 | static int max_requests = DEFAULT_MAX_REQUESTS; | |
1d389ab6 | 29 | static CURLM *curlm; |
a7a8d378 | 30 | #endif |
1d389ab6 | 31 | static CURL *curl_default; |
03126006 | 32 | static struct curl_slist *pragma_header; |
1db69b57 | 33 | static struct curl_slist *no_pragma_header; |
49a0f240 | 34 | static struct curl_slist *no_range_header; |
1ddea77e | 35 | static char curl_errorstr[CURL_ERROR_SIZE]; |
6eb7ed54 | 36 | |
b3661567 DB |
37 | struct alt_base |
38 | { | |
39 | char *base; | |
40 | int got_indices; | |
41 | struct packed_git *packs; | |
42 | struct alt_base *next; | |
43 | }; | |
44 | ||
a7928f8e | 45 | static struct alt_base *alt = NULL; |
6eb7ed54 | 46 | |
1d389ab6 NH |
47 | enum transfer_state { |
48 | WAITING, | |
49 | ABORTED, | |
50 | ACTIVE, | |
51 | COMPLETE, | |
52 | }; | |
6eb7ed54 | 53 | |
1d389ab6 NH |
54 | struct transfer_request |
55 | { | |
56 | unsigned char sha1[20]; | |
57 | struct alt_base *repo; | |
58 | char *url; | |
59 | char filename[PATH_MAX]; | |
60 | char tmpfile[PATH_MAX]; | |
61 | int local; | |
62 | enum transfer_state state; | |
63 | CURLcode curl_result; | |
64 | char errorstr[CURL_ERROR_SIZE]; | |
65 | long http_code; | |
66 | unsigned char real_sha1[20]; | |
67 | SHA_CTX c; | |
68 | z_stream stream; | |
69 | int zret; | |
70 | int rename; | |
71 | struct active_request_slot *slot; | |
72 | struct transfer_request *next; | |
73 | }; | |
74 | ||
75 | struct active_request_slot | |
76 | { | |
77 | CURL *curl; | |
78 | FILE *local; | |
79 | int in_use; | |
80 | int done; | |
81 | CURLcode curl_result; | |
82 | struct active_request_slot *next; | |
83 | }; | |
84 | ||
85 | static struct transfer_request *request_queue_head = NULL; | |
86 | static struct active_request_slot *active_queue_head = NULL; | |
6eb7ed54 | 87 | |
3dcb90f5 | 88 | static int curl_ssl_verify; |
5acb6de1 NH |
89 | static char *ssl_cert; |
90 | static char *ssl_key; | |
91 | static char *ssl_capath; | |
92 | static char *ssl_cainfo; | |
3dcb90f5 | 93 | |
fa3e0655 DB |
94 | struct buffer |
95 | { | |
96 | size_t posn; | |
97 | size_t size; | |
98 | void *buffer; | |
99 | }; | |
100 | ||
101 | static size_t fwrite_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
182005b9 DB |
102 | struct buffer *buffer) |
103 | { | |
fa3e0655 DB |
104 | size_t size = eltsize * nmemb; |
105 | if (size > buffer->size - buffer->posn) | |
106 | size = buffer->size - buffer->posn; | |
107 | memcpy(buffer->buffer + buffer->posn, ptr, size); | |
108 | buffer->posn += size; | |
1d389ab6 | 109 | data_received++; |
fa3e0655 DB |
110 | return size; |
111 | } | |
112 | ||
182005b9 DB |
113 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
114 | void *data) | |
115 | { | |
bf0f910d | 116 | unsigned char expn[4096]; |
6eb7ed54 DB |
117 | size_t size = eltsize * nmemb; |
118 | int posn = 0; | |
1d389ab6 | 119 | struct transfer_request *request = (struct transfer_request *)data; |
6eb7ed54 | 120 | do { |
1d389ab6 NH |
121 | ssize_t retval = write(request->local, |
122 | ptr + posn, size - posn); | |
6eb7ed54 DB |
123 | if (retval < 0) |
124 | return posn; | |
125 | posn += retval; | |
126 | } while (posn < size); | |
127 | ||
1d389ab6 NH |
128 | request->stream.avail_in = size; |
129 | request->stream.next_in = ptr; | |
6eb7ed54 | 130 | do { |
1d389ab6 NH |
131 | request->stream.next_out = expn; |
132 | request->stream.avail_out = sizeof(expn); | |
133 | request->zret = inflate(&request->stream, Z_SYNC_FLUSH); | |
134 | SHA1_Update(&request->c, expn, | |
135 | sizeof(expn) - request->stream.avail_out); | |
136 | } while (request->stream.avail_in && request->zret == Z_OK); | |
137 | data_received++; | |
6eb7ed54 DB |
138 | return size; |
139 | } | |
140 | ||
a7a8d378 | 141 | #ifdef USE_CURL_MULTI |
1d389ab6 NH |
142 | void process_curl_messages(); |
143 | void process_request_queue(); | |
a7a8d378 | 144 | #endif |
1d389ab6 NH |
145 | |
146 | struct active_request_slot *get_active_slot() | |
147 | { | |
148 | struct active_request_slot *slot = active_queue_head; | |
149 | struct active_request_slot *newslot; | |
a7a8d378 NH |
150 | |
151 | #ifdef USE_CURL_MULTI | |
1d389ab6 NH |
152 | int num_transfers; |
153 | ||
154 | /* Wait for a slot to open up if the queue is full */ | |
155 | while (active_requests >= max_requests) { | |
156 | curl_multi_perform(curlm, &num_transfers); | |
157 | if (num_transfers < active_requests) { | |
158 | process_curl_messages(); | |
159 | } | |
160 | } | |
a7a8d378 | 161 | #endif |
1d389ab6 NH |
162 | |
163 | while (slot != NULL && slot->in_use) { | |
164 | slot = slot->next; | |
165 | } | |
166 | if (slot == NULL) { | |
167 | newslot = xmalloc(sizeof(*newslot)); | |
168 | newslot->curl = curl_easy_duphandle(curl_default); | |
169 | newslot->in_use = 0; | |
170 | newslot->next = NULL; | |
171 | ||
172 | slot = active_queue_head; | |
173 | if (slot == NULL) { | |
174 | active_queue_head = newslot; | |
175 | } else { | |
176 | while (slot->next != NULL) { | |
177 | slot = slot->next; | |
178 | } | |
179 | slot->next = newslot; | |
180 | } | |
181 | slot = newslot; | |
182 | } | |
183 | ||
184 | active_requests++; | |
185 | slot->in_use = 1; | |
186 | slot->done = 0; | |
187 | slot->local = NULL; | |
03126006 | 188 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header); |
1d389ab6 NH |
189 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_range_header); |
190 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr); | |
191 | ||
192 | return slot; | |
193 | } | |
194 | ||
195 | int start_active_slot(struct active_request_slot *slot) | |
196 | { | |
a7a8d378 | 197 | #ifdef USE_CURL_MULTI |
1d389ab6 NH |
198 | CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl); |
199 | ||
200 | if (curlm_result != CURLM_OK && | |
201 | curlm_result != CURLM_CALL_MULTI_PERFORM) { | |
202 | active_requests--; | |
203 | slot->in_use = 0; | |
204 | return 0; | |
205 | } | |
a7a8d378 | 206 | #endif |
1d389ab6 NH |
207 | return 1; |
208 | } | |
209 | ||
210 | void run_active_slot(struct active_request_slot *slot) | |
211 | { | |
a7a8d378 | 212 | #ifdef USE_CURL_MULTI |
1d389ab6 NH |
213 | int num_transfers; |
214 | long last_pos = 0; | |
215 | long current_pos; | |
216 | fd_set readfds; | |
217 | fd_set writefds; | |
218 | fd_set excfds; | |
219 | int max_fd; | |
220 | struct timeval select_timeout; | |
221 | CURLMcode curlm_result; | |
222 | ||
223 | while (!slot->done) { | |
224 | data_received = 0; | |
225 | do { | |
226 | curlm_result = curl_multi_perform(curlm, | |
227 | &num_transfers); | |
228 | } while (curlm_result == CURLM_CALL_MULTI_PERFORM); | |
229 | if (num_transfers < active_requests) { | |
230 | process_curl_messages(); | |
231 | process_request_queue(); | |
232 | } | |
233 | ||
234 | if (!data_received && slot->local != NULL) { | |
235 | current_pos = ftell(slot->local); | |
236 | if (current_pos > last_pos) | |
237 | data_received++; | |
238 | last_pos = current_pos; | |
239 | } | |
240 | ||
241 | if (!slot->done && !data_received) { | |
242 | max_fd = 0; | |
243 | FD_ZERO(&readfds); | |
244 | FD_ZERO(&writefds); | |
245 | FD_ZERO(&excfds); | |
246 | select_timeout.tv_sec = 0; | |
247 | select_timeout.tv_usec = 50000; | |
248 | select(max_fd, &readfds, &writefds, | |
249 | &excfds, &select_timeout); | |
250 | } | |
251 | } | |
a7a8d378 NH |
252 | #else |
253 | slot->curl_result = curl_easy_perform(slot->curl); | |
254 | active_requests--; | |
255 | #endif | |
1d389ab6 NH |
256 | } |
257 | ||
258 | void start_request(struct transfer_request *request) | |
259 | { | |
260 | char *hex = sha1_to_hex(request->sha1); | |
261 | char prevfile[PATH_MAX]; | |
262 | char *url; | |
263 | char *posn; | |
264 | int prevlocal; | |
265 | unsigned char prev_buf[PREV_BUF_SIZE]; | |
266 | ssize_t prev_read = 0; | |
267 | long prev_posn = 0; | |
268 | char range[RANGE_HEADER_SIZE]; | |
269 | struct curl_slist *range_header = NULL; | |
270 | struct active_request_slot *slot; | |
271 | ||
272 | snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename); | |
273 | unlink(prevfile); | |
274 | rename(request->tmpfile, prevfile); | |
275 | unlink(request->tmpfile); | |
276 | ||
277 | request->local = open(request->tmpfile, | |
278 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
b721e01f JH |
279 | /* This could have failed due to the "lazy directory creation"; |
280 | * try to mkdir the last path component. | |
281 | */ | |
282 | if (request->local < 0 && errno == ENOENT) { | |
283 | char *dir = strrchr(request->tmpfile, '/'); | |
284 | if (dir) { | |
285 | *dir = 0; | |
286 | mkdir(request->tmpfile, 0777); | |
287 | *dir = '/'; | |
288 | } | |
289 | request->local = open(request->tmpfile, | |
290 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
291 | } | |
292 | ||
1d389ab6 NH |
293 | if (request->local < 0) { |
294 | request->state = ABORTED; | |
295 | error("Couldn't create temporary file %s for %s: %s\n", | |
296 | request->tmpfile, request->filename, strerror(errno)); | |
297 | return; | |
298 | } | |
299 | ||
300 | memset(&request->stream, 0, sizeof(request->stream)); | |
301 | ||
302 | inflateInit(&request->stream); | |
303 | ||
304 | SHA1_Init(&request->c); | |
305 | ||
306 | url = xmalloc(strlen(request->repo->base) + 50); | |
307 | request->url = xmalloc(strlen(request->repo->base) + 50); | |
308 | strcpy(url, request->repo->base); | |
309 | posn = url + strlen(request->repo->base); | |
310 | strcpy(posn, "objects/"); | |
311 | posn += 8; | |
312 | memcpy(posn, hex, 2); | |
313 | posn += 2; | |
314 | *(posn++) = '/'; | |
315 | strcpy(posn, hex + 2); | |
316 | strcpy(request->url, url); | |
317 | ||
318 | /* If a previous temp file is present, process what was already | |
319 | fetched. */ | |
320 | prevlocal = open(prevfile, O_RDONLY); | |
321 | if (prevlocal != -1) { | |
322 | do { | |
323 | prev_read = read(prevlocal, prev_buf, PREV_BUF_SIZE); | |
324 | if (prev_read>0) { | |
325 | if (fwrite_sha1_file(prev_buf, | |
326 | 1, | |
327 | prev_read, | |
328 | request) == prev_read) { | |
329 | prev_posn += prev_read; | |
330 | } else { | |
331 | prev_read = -1; | |
332 | } | |
333 | } | |
334 | } while (prev_read > 0); | |
335 | close(prevlocal); | |
336 | } | |
337 | unlink(prevfile); | |
338 | ||
339 | /* Reset inflate/SHA1 if there was an error reading the previous temp | |
340 | file; also rewind to the beginning of the local file. */ | |
341 | if (prev_read == -1) { | |
342 | memset(&request->stream, 0, sizeof(request->stream)); | |
343 | inflateInit(&request->stream); | |
344 | SHA1_Init(&request->c); | |
345 | if (prev_posn>0) { | |
346 | prev_posn = 0; | |
347 | lseek(request->local, SEEK_SET, 0); | |
348 | ftruncate(request->local, 0); | |
349 | } | |
350 | } | |
351 | ||
352 | slot = get_active_slot(); | |
353 | curl_easy_setopt(slot->curl, CURLOPT_FILE, request); | |
354 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); | |
355 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
356 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 357 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
358 | |
359 | /* If we have successfully processed data from a previous fetch | |
360 | attempt, only fetch the data we don't already have. */ | |
361 | if (prev_posn>0) { | |
362 | if (get_verbosely) | |
363 | fprintf(stderr, | |
364 | "Resuming fetch of object %s at byte %ld\n", | |
365 | hex, prev_posn); | |
366 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
367 | range_header = curl_slist_append(range_header, range); | |
368 | curl_easy_setopt(slot->curl, | |
369 | CURLOPT_HTTPHEADER, range_header); | |
370 | } | |
371 | ||
a7a8d378 | 372 | /* Try to get the request started, abort the request on error */ |
1d389ab6 NH |
373 | if (!start_active_slot(slot)) { |
374 | request->state = ABORTED; | |
375 | close(request->local); | |
376 | free(request->url); | |
377 | return; | |
378 | } | |
379 | ||
380 | request->slot = slot; | |
381 | request->state = ACTIVE; | |
382 | } | |
383 | ||
384 | void finish_request(struct transfer_request *request) | |
385 | { | |
386 | fchmod(request->local, 0444); | |
387 | close(request->local); | |
388 | ||
389 | if (request->http_code == 416) { | |
390 | fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); | |
391 | } else if (request->curl_result != CURLE_OK) { | |
392 | return; | |
393 | } | |
394 | ||
395 | inflateEnd(&request->stream); | |
396 | SHA1_Final(request->real_sha1, &request->c); | |
397 | if (request->zret != Z_STREAM_END) { | |
398 | unlink(request->tmpfile); | |
399 | return; | |
400 | } | |
401 | if (memcmp(request->sha1, request->real_sha1, 20)) { | |
402 | unlink(request->tmpfile); | |
403 | return; | |
404 | } | |
405 | request->rename = | |
b721e01f | 406 | move_temp_to_file(request->tmpfile, request->filename); |
1d389ab6 NH |
407 | |
408 | if (request->rename == 0) | |
409 | pull_say("got %s\n", sha1_to_hex(request->sha1)); | |
410 | } | |
411 | ||
412 | void release_request(struct transfer_request *request) | |
413 | { | |
414 | struct transfer_request *entry = request_queue_head; | |
415 | ||
416 | if (request == request_queue_head) { | |
417 | request_queue_head = request->next; | |
418 | } else { | |
419 | while (entry->next != NULL && entry->next != request) | |
420 | entry = entry->next; | |
421 | if (entry->next == request) | |
422 | entry->next = entry->next->next; | |
423 | } | |
424 | ||
425 | free(request->url); | |
426 | free(request); | |
427 | } | |
428 | ||
a7a8d378 | 429 | #ifdef USE_CURL_MULTI |
1d389ab6 NH |
430 | void process_curl_messages() |
431 | { | |
432 | int num_messages; | |
433 | struct active_request_slot *slot; | |
434 | struct transfer_request *request = NULL; | |
435 | CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages); | |
436 | ||
437 | while (curl_message != NULL) { | |
438 | if (curl_message->msg == CURLMSG_DONE) { | |
439 | slot = active_queue_head; | |
440 | while (slot != NULL && | |
441 | slot->curl != curl_message->easy_handle) | |
442 | slot = slot->next; | |
443 | if (slot != NULL) { | |
444 | curl_multi_remove_handle(curlm, slot->curl); | |
445 | active_requests--; | |
446 | slot->done = 1; | |
447 | slot->in_use = 0; | |
448 | slot->curl_result = curl_message->data.result; | |
449 | request = request_queue_head; | |
450 | while (request != NULL && | |
451 | request->slot != slot) | |
452 | request = request->next; | |
453 | } else { | |
454 | fprintf(stderr, "Received DONE message for unknown request!\n"); | |
455 | } | |
456 | if (request != NULL) { | |
457 | request->curl_result = | |
458 | curl_message->data.result; | |
459 | curl_easy_getinfo(slot->curl, | |
460 | CURLINFO_HTTP_CODE, | |
461 | &request->http_code); | |
462 | request->slot = NULL; | |
463 | ||
464 | /* Use alternates if necessary */ | |
465 | if (request->http_code == 404 && | |
466 | request->repo->next != NULL) { | |
467 | request->repo = request->repo->next; | |
468 | start_request(request); | |
469 | } else { | |
470 | finish_request(request); | |
471 | request->state = COMPLETE; | |
472 | } | |
473 | } | |
474 | } else { | |
475 | fprintf(stderr, "Unknown CURL message received: %d\n", | |
476 | (int)curl_message->msg); | |
477 | } | |
478 | curl_message = curl_multi_info_read(curlm, &num_messages); | |
479 | } | |
480 | } | |
481 | ||
482 | void process_request_queue() | |
483 | { | |
484 | struct transfer_request *request = request_queue_head; | |
485 | int num_transfers; | |
486 | ||
487 | while (active_requests < max_requests && request != NULL) { | |
488 | if (request->state == WAITING) { | |
11f0dafe NH |
489 | if (has_sha1_file(request->sha1)) |
490 | release_request(request); | |
491 | else | |
492 | start_request(request); | |
1d389ab6 NH |
493 | curl_multi_perform(curlm, &num_transfers); |
494 | } | |
495 | request = request->next; | |
496 | } | |
497 | } | |
a7a8d378 | 498 | #endif |
1d389ab6 NH |
499 | |
500 | void prefetch(unsigned char *sha1) | |
501 | { | |
502 | struct transfer_request *newreq; | |
503 | struct transfer_request *tail; | |
504 | char *filename = sha1_file_name(sha1); | |
505 | ||
506 | newreq = xmalloc(sizeof(*newreq)); | |
507 | memcpy(newreq->sha1, sha1, 20); | |
508 | newreq->repo = alt; | |
509 | newreq->url = NULL; | |
510 | newreq->local = -1; | |
511 | newreq->state = WAITING; | |
512 | snprintf(newreq->filename, sizeof(newreq->filename), "%s", filename); | |
513 | snprintf(newreq->tmpfile, sizeof(newreq->tmpfile), | |
514 | "%s.temp", filename); | |
515 | newreq->next = NULL; | |
516 | ||
517 | if (request_queue_head == NULL) { | |
518 | request_queue_head = newreq; | |
519 | } else { | |
520 | tail = request_queue_head; | |
521 | while (tail->next != NULL) { | |
522 | tail = tail->next; | |
523 | } | |
524 | tail->next = newreq; | |
525 | } | |
a7a8d378 | 526 | #ifdef USE_CURL_MULTI |
1d389ab6 NH |
527 | process_request_queue(); |
528 | process_curl_messages(); | |
a7a8d378 | 529 | #endif |
1d389ab6 NH |
530 | } |
531 | ||
b3661567 | 532 | static int fetch_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 | 533 | { |
1d389ab6 | 534 | char *hex = sha1_to_hex(sha1); |
182005b9 DB |
535 | char *filename; |
536 | char *url; | |
49a0f240 | 537 | char tmpfile[PATH_MAX]; |
49a0f240 NH |
538 | long prev_posn = 0; |
539 | char range[RANGE_HEADER_SIZE]; | |
540 | struct curl_slist *range_header = NULL; | |
182005b9 DB |
541 | |
542 | FILE *indexfile; | |
1d389ab6 | 543 | struct active_request_slot *slot; |
182005b9 DB |
544 | |
545 | if (has_pack_index(sha1)) | |
546 | return 0; | |
547 | ||
548 | if (get_verbosely) | |
1d389ab6 | 549 | fprintf(stderr, "Getting index for pack %s\n", hex); |
182005b9 | 550 | |
b3661567 | 551 | url = xmalloc(strlen(repo->base) + 64); |
1d389ab6 | 552 | sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex); |
182005b9 DB |
553 | |
554 | filename = sha1_pack_index_name(sha1); | |
49a0f240 NH |
555 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
556 | indexfile = fopen(tmpfile, "a"); | |
182005b9 DB |
557 | if (!indexfile) |
558 | return error("Unable to open local file %s for pack index", | |
559 | filename); | |
560 | ||
1d389ab6 NH |
561 | slot = get_active_slot(); |
562 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); | |
563 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
564 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 565 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
566 | slot->local = indexfile; |
567 | ||
49a0f240 NH |
568 | /* If there is data present from a previous transfer attempt, |
569 | resume where it left off */ | |
570 | prev_posn = ftell(indexfile); | |
571 | if (prev_posn>0) { | |
572 | if (get_verbosely) | |
573 | fprintf(stderr, | |
574 | "Resuming fetch of index for pack %s at byte %ld\n", | |
1d389ab6 | 575 | hex, prev_posn); |
49a0f240 NH |
576 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
577 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 578 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
579 | } |
580 | ||
1d389ab6 NH |
581 | if (start_active_slot(slot)) { |
582 | run_active_slot(slot); | |
583 | if (slot->curl_result != CURLE_OK) { | |
584 | fclose(indexfile); | |
585 | return error("Unable to get pack index %s\n%s", url, | |
586 | curl_errorstr); | |
587 | } | |
588 | } else { | |
589 | return error("Unable to start request"); | |
182005b9 DB |
590 | } |
591 | ||
592 | fclose(indexfile); | |
49a0f240 | 593 | |
b721e01f | 594 | return move_temp_to_file(tmpfile, filename); |
182005b9 DB |
595 | } |
596 | ||
b3661567 | 597 | static int setup_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
598 | { |
599 | struct packed_git *new_pack; | |
600 | if (has_pack_file(sha1)) | |
601 | return 0; // don't list this as something we can get | |
602 | ||
b3661567 | 603 | if (fetch_index(repo, sha1)) |
182005b9 DB |
604 | return -1; |
605 | ||
606 | new_pack = parse_pack_index(sha1); | |
b3661567 DB |
607 | new_pack->next = repo->packs; |
608 | repo->packs = new_pack; | |
182005b9 DB |
609 | return 0; |
610 | } | |
611 | ||
b3661567 DB |
612 | static int fetch_alternates(char *base) |
613 | { | |
614 | int ret = 0; | |
615 | struct buffer buffer; | |
616 | char *url; | |
617 | char *data; | |
618 | int i = 0; | |
1b0c1e67 | 619 | int http_specific = 1; |
1d389ab6 NH |
620 | struct alt_base *tail = alt; |
621 | ||
622 | struct active_request_slot *slot; | |
dc1b5ea8 | 623 | |
b3661567 | 624 | data = xmalloc(4096); |
1b0c1e67 | 625 | buffer.size = 4095; |
b3661567 DB |
626 | buffer.posn = 0; |
627 | buffer.buffer = data; | |
628 | ||
629 | if (get_verbosely) | |
630 | fprintf(stderr, "Getting alternates list\n"); | |
631 | ||
632 | url = xmalloc(strlen(base) + 31); | |
633 | sprintf(url, "%s/objects/info/http-alternates", base); | |
634 | ||
1d389ab6 NH |
635 | slot = get_active_slot(); |
636 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
637 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
638 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
639 | if (start_active_slot(slot)) { | |
640 | run_active_slot(slot); | |
641 | if (slot->curl_result != CURLE_OK || !buffer.posn) { | |
642 | http_specific = 0; | |
643 | ||
644 | sprintf(url, "%s/objects/info/alternates", base); | |
645 | ||
646 | slot = get_active_slot(); | |
647 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
648 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
649 | fwrite_buffer); | |
650 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
651 | if (start_active_slot(slot)) { | |
652 | run_active_slot(slot); | |
653 | if (slot->curl_result != CURLE_OK) { | |
654 | return 0; | |
655 | } | |
656 | } | |
b3661567 | 657 | } |
1d389ab6 NH |
658 | } else { |
659 | return 0; | |
b3661567 DB |
660 | } |
661 | ||
1b0c1e67 DB |
662 | data[buffer.posn] = '\0'; |
663 | ||
b3661567 DB |
664 | while (i < buffer.posn) { |
665 | int posn = i; | |
666 | while (posn < buffer.posn && data[posn] != '\n') | |
667 | posn++; | |
668 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
669 | int okay = 0; |
670 | int serverlen = 0; | |
671 | struct alt_base *newalt; | |
672 | char *target = NULL; | |
b3661567 | 673 | if (data[i] == '/') { |
1b0c1e67 DB |
674 | serverlen = strchr(base + 8, '/') - base; |
675 | okay = 1; | |
676 | } else if (!memcmp(data + i, "../", 3)) { | |
677 | i += 3; | |
678 | serverlen = strlen(base); | |
679 | while (i + 2 < posn && | |
680 | !memcmp(data + i, "../", 3)) { | |
681 | do { | |
682 | serverlen--; | |
683 | } while (serverlen && | |
684 | base[serverlen - 1] != '/'); | |
685 | i += 3; | |
686 | } | |
687 | // If the server got removed, give up. | |
688 | okay = strchr(base, ':') - base + 3 < | |
689 | serverlen; | |
690 | } else if (http_specific) { | |
691 | char *colon = strchr(data + i, ':'); | |
692 | char *slash = strchr(data + i, '/'); | |
693 | if (colon && slash && colon < data + posn && | |
694 | slash < data + posn && colon < slash) { | |
695 | okay = 1; | |
696 | } | |
697 | } | |
698 | // skip 'objects' at end | |
699 | if (okay) { | |
700 | target = xmalloc(serverlen + posn - i - 6); | |
b3661567 DB |
701 | strncpy(target, base, serverlen); |
702 | strncpy(target + serverlen, data + i, | |
703 | posn - i - 7); | |
704 | target[serverlen + posn - i - 7] = '\0'; | |
705 | if (get_verbosely) | |
706 | fprintf(stderr, | |
707 | "Also look at %s\n", target); | |
708 | newalt = xmalloc(sizeof(*newalt)); | |
1d389ab6 | 709 | newalt->next = NULL; |
b3661567 DB |
710 | newalt->base = target; |
711 | newalt->got_indices = 0; | |
712 | newalt->packs = NULL; | |
1d389ab6 NH |
713 | while (tail->next != NULL) |
714 | tail = tail->next; | |
715 | tail->next = newalt; | |
b3661567 DB |
716 | ret++; |
717 | } | |
718 | } | |
719 | i = posn + 1; | |
720 | } | |
b3661567 DB |
721 | |
722 | return ret; | |
723 | } | |
724 | ||
725 | static int fetch_indices(struct alt_base *repo) | |
182005b9 DB |
726 | { |
727 | unsigned char sha1[20]; | |
728 | char *url; | |
729 | struct buffer buffer; | |
730 | char *data; | |
731 | int i = 0; | |
732 | ||
1d389ab6 NH |
733 | struct active_request_slot *slot; |
734 | ||
b3661567 | 735 | if (repo->got_indices) |
182005b9 DB |
736 | return 0; |
737 | ||
738 | data = xmalloc(4096); | |
739 | buffer.size = 4096; | |
740 | buffer.posn = 0; | |
741 | buffer.buffer = data; | |
742 | ||
743 | if (get_verbosely) | |
744 | fprintf(stderr, "Getting pack list\n"); | |
745 | ||
b3661567 DB |
746 | url = xmalloc(strlen(repo->base) + 21); |
747 | sprintf(url, "%s/objects/info/packs", repo->base); | |
182005b9 | 748 | |
1d389ab6 NH |
749 | slot = get_active_slot(); |
750 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
751 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
752 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
753 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
754 | if (start_active_slot(slot)) { | |
755 | run_active_slot(slot); | |
756 | if (slot->curl_result != CURLE_OK) | |
757 | return error("%s", curl_errorstr); | |
758 | } else { | |
759 | return error("Unable to start request"); | |
760 | } | |
182005b9 | 761 | |
b3661567 | 762 | while (i < buffer.posn) { |
182005b9 DB |
763 | switch (data[i]) { |
764 | case 'P': | |
765 | i++; | |
766 | if (i + 52 < buffer.posn && | |
767 | !strncmp(data + i, " pack-", 6) && | |
768 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
769 | get_sha1_hex(data + i + 6, sha1); | |
b3661567 | 770 | setup_index(repo, sha1); |
182005b9 DB |
771 | i += 51; |
772 | break; | |
773 | } | |
774 | default: | |
775 | while (data[i] != '\n') | |
776 | i++; | |
777 | } | |
778 | i++; | |
b3661567 | 779 | } |
182005b9 | 780 | |
b3661567 | 781 | repo->got_indices = 1; |
182005b9 DB |
782 | return 0; |
783 | } | |
784 | ||
b3661567 | 785 | static int fetch_pack(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
786 | { |
787 | char *url; | |
788 | struct packed_git *target; | |
789 | struct packed_git **lst; | |
790 | FILE *packfile; | |
791 | char *filename; | |
49a0f240 NH |
792 | char tmpfile[PATH_MAX]; |
793 | int ret; | |
794 | long prev_posn = 0; | |
795 | char range[RANGE_HEADER_SIZE]; | |
796 | struct curl_slist *range_header = NULL; | |
1d389ab6 NH |
797 | |
798 | struct active_request_slot *slot; | |
182005b9 | 799 | |
b3661567 | 800 | if (fetch_indices(repo)) |
182005b9 | 801 | return -1; |
b3661567 | 802 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 803 | if (!target) |
b3661567 | 804 | return -1; |
182005b9 DB |
805 | |
806 | if (get_verbosely) { | |
807 | fprintf(stderr, "Getting pack %s\n", | |
808 | sha1_to_hex(target->sha1)); | |
809 | fprintf(stderr, " which contains %s\n", | |
810 | sha1_to_hex(sha1)); | |
811 | } | |
812 | ||
b3661567 | 813 | url = xmalloc(strlen(repo->base) + 65); |
182005b9 | 814 | sprintf(url, "%s/objects/pack/pack-%s.pack", |
b3661567 | 815 | repo->base, sha1_to_hex(target->sha1)); |
182005b9 DB |
816 | |
817 | filename = sha1_pack_name(target->sha1); | |
49a0f240 NH |
818 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
819 | packfile = fopen(tmpfile, "a"); | |
182005b9 DB |
820 | if (!packfile) |
821 | return error("Unable to open local file %s for pack", | |
822 | filename); | |
823 | ||
1d389ab6 NH |
824 | slot = get_active_slot(); |
825 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); | |
826 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
827 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 828 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 | 829 | slot->local = packfile; |
1ddea77e | 830 | |
49a0f240 NH |
831 | /* If there is data present from a previous transfer attempt, |
832 | resume where it left off */ | |
833 | prev_posn = ftell(packfile); | |
834 | if (prev_posn>0) { | |
835 | if (get_verbosely) | |
836 | fprintf(stderr, | |
837 | "Resuming fetch of pack %s at byte %ld\n", | |
838 | sha1_to_hex(target->sha1), prev_posn); | |
839 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
840 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 841 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
842 | } |
843 | ||
1d389ab6 NH |
844 | if (start_active_slot(slot)) { |
845 | run_active_slot(slot); | |
846 | if (slot->curl_result != CURLE_OK) { | |
847 | fclose(packfile); | |
848 | return error("Unable to get pack file %s\n%s", url, | |
849 | curl_errorstr); | |
850 | } | |
851 | } else { | |
852 | return error("Unable to start request"); | |
182005b9 DB |
853 | } |
854 | ||
855 | fclose(packfile); | |
856 | ||
b721e01f | 857 | ret = move_temp_to_file(tmpfile, filename); |
49a0f240 | 858 | if (ret) |
b721e01f | 859 | return ret; |
49a0f240 | 860 | |
b3661567 | 861 | lst = &repo->packs; |
182005b9 DB |
862 | while (*lst != target) |
863 | lst = &((*lst)->next); | |
864 | *lst = (*lst)->next; | |
865 | ||
271421cd JH |
866 | if (verify_pack(target, 0)) |
867 | return -1; | |
182005b9 DB |
868 | install_packed_git(target); |
869 | ||
870 | return 0; | |
871 | } | |
872 | ||
a7928f8e | 873 | static int fetch_object(struct alt_base *repo, unsigned char *sha1) |
6eb7ed54 DB |
874 | { |
875 | char *hex = sha1_to_hex(sha1); | |
09d92083 | 876 | int ret; |
1d389ab6 | 877 | struct transfer_request *request = request_queue_head; |
1d389ab6 NH |
878 | |
879 | while (request != NULL && memcmp(request->sha1, sha1, 20)) | |
880 | request = request->next; | |
881 | if (request == NULL) | |
882 | return error("Couldn't find request for %s in the queue", hex); | |
883 | ||
11f0dafe NH |
884 | if (has_sha1_file(request->sha1)) { |
885 | release_request(request); | |
886 | return 0; | |
887 | } | |
888 | ||
a7a8d378 NH |
889 | #ifdef USE_CURL_MULTI |
890 | int num_transfers; | |
1d389ab6 NH |
891 | while (request->state == WAITING) { |
892 | curl_multi_perform(curlm, &num_transfers); | |
893 | if (num_transfers < active_requests) { | |
894 | process_curl_messages(); | |
895 | process_request_queue(); | |
896 | } | |
897 | } | |
a7a8d378 NH |
898 | #else |
899 | start_request(request); | |
900 | #endif | |
6eb7ed54 | 901 | |
a7a8d378 | 902 | while (request->state == ACTIVE) { |
1d389ab6 | 903 | run_active_slot(request->slot); |
a7a8d378 NH |
904 | #ifndef USE_CURL_MULTI |
905 | request->curl_result = request->slot->curl_result; | |
906 | curl_easy_getinfo(request->slot->curl, | |
907 | CURLINFO_HTTP_CODE, | |
908 | &request->http_code); | |
909 | request->slot = NULL; | |
910 | ||
911 | /* Use alternates if necessary */ | |
912 | if (request->http_code == 404 && | |
913 | request->repo->next != NULL) { | |
914 | request->repo = request->repo->next; | |
915 | start_request(request); | |
916 | } else { | |
917 | finish_request(request); | |
918 | request->state = COMPLETE; | |
919 | } | |
920 | #endif | |
921 | } | |
6eb7ed54 | 922 | |
1d389ab6 NH |
923 | if (request->state == ABORTED) { |
924 | release_request(request); | |
925 | return error("Request for %s aborted", hex); | |
49a0f240 | 926 | } |
49a0f240 | 927 | |
1d389ab6 NH |
928 | if (request->curl_result != CURLE_OK && request->http_code != 416) { |
929 | ret = error("%s", request->errorstr); | |
930 | release_request(request); | |
931 | return ret; | |
49a0f240 NH |
932 | } |
933 | ||
1d389ab6 NH |
934 | if (request->zret != Z_STREAM_END) { |
935 | ret = error("File %s (%s) corrupt\n", hex, request->url); | |
936 | release_request(request); | |
937 | return ret; | |
49a0f240 NH |
938 | } |
939 | ||
1d389ab6 NH |
940 | if (memcmp(request->sha1, request->real_sha1, 20)) { |
941 | release_request(request); | |
942 | return error("File %s has bad hash\n", hex); | |
182005b9 | 943 | } |
6eb7ed54 | 944 | |
1d389ab6 NH |
945 | if (request->rename < 0) { |
946 | ret = error("unable to write sha1 filename %s: %s", | |
947 | request->filename, | |
948 | strerror(request->rename)); | |
949 | release_request(request); | |
950 | return ret; | |
6eb7ed54 | 951 | } |
49a0f240 | 952 | |
1d389ab6 | 953 | release_request(request); |
6eb7ed54 DB |
954 | return 0; |
955 | } | |
956 | ||
b3661567 DB |
957 | int fetch(unsigned char *sha1) |
958 | { | |
959 | struct alt_base *altbase = alt; | |
1d389ab6 NH |
960 | |
961 | if (!fetch_object(altbase, sha1)) | |
962 | return 0; | |
b3661567 | 963 | while (altbase) { |
b3661567 DB |
964 | if (!fetch_pack(altbase, sha1)) |
965 | return 0; | |
b3661567 DB |
966 | altbase = altbase->next; |
967 | } | |
968 | return error("Unable to find %s under %s\n", sha1_to_hex(sha1), | |
1d389ab6 | 969 | alt->base); |
b3661567 DB |
970 | } |
971 | ||
94fa447a JH |
972 | static inline int needs_quote(int ch) |
973 | { | |
974 | switch (ch) { | |
975 | case '/': case '-': case '.': | |
976 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
977 | return 0; | |
978 | default: | |
979 | return 1; | |
980 | } | |
981 | } | |
982 | ||
983 | static inline int hex(int v) | |
984 | { | |
985 | if (v < 10) return '0' + v; | |
986 | else return 'A' + v - 10; | |
987 | } | |
988 | ||
989 | static char *quote_ref_url(const char *base, const char *ref) | |
990 | { | |
991 | const char *cp; | |
992 | char *dp, *qref; | |
993 | int len, baselen, ch; | |
994 | ||
995 | baselen = strlen(base); | |
996 | len = baselen + 6; /* "refs/" + NUL */ | |
997 | for (cp = ref; (ch = *cp) != 0; cp++, len++) | |
998 | if (needs_quote(ch)) | |
999 | len += 2; /* extra two hex plus replacement % */ | |
1000 | qref = xmalloc(len); | |
1001 | memcpy(qref, base, baselen); | |
1002 | memcpy(qref + baselen, "refs/", 5); | |
1003 | for (cp = ref, dp = qref + baselen + 5; (ch = *cp) != 0; cp++) { | |
1004 | if (needs_quote(ch)) { | |
1005 | *dp++ = '%'; | |
1006 | *dp++ = hex((ch >> 4) & 0xF); | |
1007 | *dp++ = hex(ch & 0xF); | |
1008 | } | |
1009 | else | |
1010 | *dp++ = ch; | |
1011 | } | |
1012 | *dp = 0; | |
1013 | ||
1014 | return qref; | |
1015 | } | |
1016 | ||
cd541a68 DB |
1017 | int fetch_ref(char *ref, unsigned char *sha1) |
1018 | { | |
94fa447a | 1019 | char *url; |
fa3e0655 DB |
1020 | char hex[42]; |
1021 | struct buffer buffer; | |
1d389ab6 NH |
1022 | char *base = alt->base; |
1023 | struct active_request_slot *slot; | |
fa3e0655 DB |
1024 | buffer.size = 41; |
1025 | buffer.posn = 0; | |
1026 | buffer.buffer = hex; | |
1027 | hex[41] = '\0'; | |
1028 | ||
94fa447a | 1029 | url = quote_ref_url(base, ref); |
1d389ab6 NH |
1030 | slot = get_active_slot(); |
1031 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
1032 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1033 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1034 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1035 | if (start_active_slot(slot)) { | |
1036 | run_active_slot(slot); | |
1037 | if (slot->curl_result != CURLE_OK) | |
1038 | return error("Couldn't get %s for %s\n%s", | |
1039 | url, ref, curl_errorstr); | |
1040 | } else { | |
1041 | return error("Unable to start request"); | |
1042 | } | |
fa3e0655 DB |
1043 | |
1044 | hex[40] = '\0'; | |
1045 | get_sha1_hex(hex, sha1); | |
1046 | return 0; | |
cd541a68 DB |
1047 | } |
1048 | ||
6eb7ed54 DB |
1049 | int main(int argc, char **argv) |
1050 | { | |
1051 | char *commit_id; | |
1052 | char *url; | |
1053 | int arg = 1; | |
1d389ab6 | 1054 | struct active_request_slot *slot; |
6eb7ed54 DB |
1055 | |
1056 | while (arg < argc && argv[arg][0] == '-') { | |
1057 | if (argv[arg][1] == 't') { | |
4250a5e5 | 1058 | get_tree = 1; |
6eb7ed54 | 1059 | } else if (argv[arg][1] == 'c') { |
4250a5e5 | 1060 | get_history = 1; |
6eb7ed54 | 1061 | } else if (argv[arg][1] == 'a') { |
4250a5e5 DB |
1062 | get_all = 1; |
1063 | get_tree = 1; | |
1064 | get_history = 1; | |
e78d9772 JH |
1065 | } else if (argv[arg][1] == 'v') { |
1066 | get_verbosely = 1; | |
fa3e0655 DB |
1067 | } else if (argv[arg][1] == 'w') { |
1068 | write_ref = argv[arg + 1]; | |
1069 | arg++; | |
820eca68 DB |
1070 | } else if (!strcmp(argv[arg], "--recover")) { |
1071 | get_recover = 1; | |
6eb7ed54 DB |
1072 | } |
1073 | arg++; | |
1074 | } | |
1075 | if (argc < arg + 2) { | |
215a7ad1 | 1076 | usage("git-http-fetch [-c] [-t] [-a] [-d] [-v] [--recover] [-w ref] commit-id url"); |
6eb7ed54 DB |
1077 | return 1; |
1078 | } | |
1079 | commit_id = argv[arg]; | |
1080 | url = argv[arg + 1]; | |
1081 | ||
6eb7ed54 DB |
1082 | curl_global_init(CURL_GLOBAL_ALL); |
1083 | ||
a7a8d378 | 1084 | #ifdef USE_CURL_MULTI |
38079239 NH |
1085 | char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); |
1086 | if (http_max_requests != NULL) | |
1087 | max_requests = atoi(http_max_requests); | |
1088 | if (max_requests < 1) | |
1089 | max_requests = DEFAULT_MAX_REQUESTS; | |
1090 | ||
1d389ab6 NH |
1091 | curlm = curl_multi_init(); |
1092 | if (curlm == NULL) { | |
1093 | fprintf(stderr, "Error creating curl multi handle.\n"); | |
1094 | return 1; | |
1095 | } | |
a7a8d378 | 1096 | #endif |
03126006 | 1097 | pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache"); |
1db69b57 | 1098 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); |
49a0f240 | 1099 | no_range_header = curl_slist_append(no_range_header, "Range:"); |
6eb7ed54 | 1100 | |
1d389ab6 NH |
1101 | curl_default = curl_easy_init(); |
1102 | ||
a9ab586a | 1103 | curl_ssl_verify = getenv("GIT_SSL_NO_VERIFY") ? 0 : 1; |
1d389ab6 | 1104 | curl_easy_setopt(curl_default, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify); |
9f6cf65e | 1105 | #if LIBCURL_VERSION_NUM >= 0x070907 |
1d389ab6 | 1106 | curl_easy_setopt(curl_default, CURLOPT_NETRC, CURL_NETRC_OPTIONAL); |
9f6cf65e | 1107 | #endif |
3dcb90f5 | 1108 | |
5acb6de1 | 1109 | if ((ssl_cert = getenv("GIT_SSL_CERT")) != NULL) { |
1d389ab6 | 1110 | curl_easy_setopt(curl_default, CURLOPT_SSLCERT, ssl_cert); |
5acb6de1 | 1111 | } |
7d167feb | 1112 | #if LIBCURL_VERSION_NUM >= 0x070902 |
5acb6de1 | 1113 | if ((ssl_key = getenv("GIT_SSL_KEY")) != NULL) { |
1d389ab6 | 1114 | curl_easy_setopt(curl_default, CURLOPT_SSLKEY, ssl_key); |
5acb6de1 | 1115 | } |
7d167feb | 1116 | #endif |
5acb6de1 NH |
1117 | #if LIBCURL_VERSION_NUM >= 0x070908 |
1118 | if ((ssl_capath = getenv("GIT_SSL_CAPATH")) != NULL) { | |
1d389ab6 | 1119 | curl_easy_setopt(curl_default, CURLOPT_CAPATH, ssl_capath); |
5acb6de1 NH |
1120 | } |
1121 | #endif | |
1122 | if ((ssl_cainfo = getenv("GIT_SSL_CAINFO")) != NULL) { | |
1d389ab6 | 1123 | curl_easy_setopt(curl_default, CURLOPT_CAINFO, ssl_cainfo); |
5acb6de1 | 1124 | } |
1d389ab6 | 1125 | curl_easy_setopt(curl_default, CURLOPT_FAILONERROR, 1); |
5acb6de1 | 1126 | |
b3661567 DB |
1127 | alt = xmalloc(sizeof(*alt)); |
1128 | alt->base = url; | |
1129 | alt->got_indices = 0; | |
1130 | alt->packs = NULL; | |
1131 | alt->next = NULL; | |
1d389ab6 | 1132 | fetch_alternates(alt->base); |
6eb7ed54 | 1133 | |
4250a5e5 | 1134 | if (pull(commit_id)) |
6eb7ed54 DB |
1135 | return 1; |
1136 | ||
03126006 | 1137 | curl_slist_free_all(pragma_header); |
1db69b57 | 1138 | curl_slist_free_all(no_pragma_header); |
1d389ab6 NH |
1139 | curl_slist_free_all(no_range_header); |
1140 | curl_easy_cleanup(curl_default); | |
1141 | slot = active_queue_head; | |
1142 | while (slot != NULL) { | |
1143 | curl_easy_cleanup(slot->curl); | |
1144 | slot = slot->next; | |
1145 | } | |
a7a8d378 | 1146 | #ifdef USE_CURL_MULTI |
1d389ab6 | 1147 | curl_multi_cleanup(curlm); |
a7a8d378 | 1148 | #endif |
6eb7ed54 DB |
1149 | curl_global_cleanup(); |
1150 | return 0; | |
1151 | } |