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1 | #include "cache.h" | |
2 | #include "commit.h" | |
3 | #include "tag.h" | |
4 | #include "blob.h" | |
5 | #include "http.h" | |
6 | #include "refs.h" | |
7 | #include "diff.h" | |
8 | #include "revision.h" | |
9 | #include "exec_cmd.h" | |
10 | #include "remote.h" | |
11 | #include "list-objects.h" | |
12 | #include "sigchain.h" | |
13 | ||
14 | #include <expat.h> | |
15 | ||
16 | static const char http_push_usage[] = | |
17 | "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n"; | |
18 | ||
19 | #ifndef XML_STATUS_OK | |
20 | enum XML_Status { | |
21 | XML_STATUS_OK = 1, | |
22 | XML_STATUS_ERROR = 0 | |
23 | }; | |
24 | #define XML_STATUS_OK 1 | |
25 | #define XML_STATUS_ERROR 0 | |
26 | #endif | |
27 | ||
28 | #define PREV_BUF_SIZE 4096 | |
29 | ||
30 | /* DAV methods */ | |
31 | #define DAV_LOCK "LOCK" | |
32 | #define DAV_MKCOL "MKCOL" | |
33 | #define DAV_MOVE "MOVE" | |
34 | #define DAV_PROPFIND "PROPFIND" | |
35 | #define DAV_PUT "PUT" | |
36 | #define DAV_UNLOCK "UNLOCK" | |
37 | #define DAV_DELETE "DELETE" | |
38 | ||
39 | /* DAV lock flags */ | |
40 | #define DAV_PROP_LOCKWR (1u << 0) | |
41 | #define DAV_PROP_LOCKEX (1u << 1) | |
42 | #define DAV_LOCK_OK (1u << 2) | |
43 | ||
44 | /* DAV XML properties */ | |
45 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
46 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
47 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
48 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
49 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
50 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
51 | #define DAV_PROPFIND_RESP ".multistatus.response" | |
52 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
53 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
54 | ||
55 | /* DAV request body templates */ | |
56 | #define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>" | |
57 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
58 | #define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>" | |
59 | ||
60 | #define LOCK_TIME 600 | |
61 | #define LOCK_REFRESH 30 | |
62 | ||
63 | /* bits #0-15 in revision.h */ | |
64 | ||
65 | #define LOCAL (1u<<16) | |
66 | #define REMOTE (1u<<17) | |
67 | #define FETCHING (1u<<18) | |
68 | #define PUSHING (1u<<19) | |
69 | ||
70 | /* We allow "recursive" symbolic refs. Only within reason, though */ | |
71 | #define MAXDEPTH 5 | |
72 | ||
73 | static int pushing; | |
74 | static int aborted; | |
75 | static signed char remote_dir_exists[256]; | |
76 | ||
77 | static int push_verbosely; | |
78 | static int push_all = MATCH_REFS_NONE; | |
79 | static int force_all; | |
80 | static int dry_run; | |
81 | static int helper_status; | |
82 | ||
83 | static struct object_list *objects; | |
84 | ||
85 | struct repo | |
86 | { | |
87 | char *url; | |
88 | char *path; | |
89 | int path_len; | |
90 | int has_info_refs; | |
91 | int can_update_info_refs; | |
92 | int has_info_packs; | |
93 | struct packed_git *packs; | |
94 | struct remote_lock *locks; | |
95 | }; | |
96 | ||
97 | static struct repo *repo; | |
98 | ||
99 | enum transfer_state { | |
100 | NEED_FETCH, | |
101 | RUN_FETCH_LOOSE, | |
102 | RUN_FETCH_PACKED, | |
103 | NEED_PUSH, | |
104 | RUN_MKCOL, | |
105 | RUN_PUT, | |
106 | RUN_MOVE, | |
107 | ABORTED, | |
108 | COMPLETE | |
109 | }; | |
110 | ||
111 | struct transfer_request | |
112 | { | |
113 | struct object *obj; | |
114 | char *url; | |
115 | char *dest; | |
116 | struct remote_lock *lock; | |
117 | struct curl_slist *headers; | |
118 | struct buffer buffer; | |
119 | enum transfer_state state; | |
120 | CURLcode curl_result; | |
121 | char errorstr[CURL_ERROR_SIZE]; | |
122 | long http_code; | |
123 | void *userData; | |
124 | struct active_request_slot *slot; | |
125 | struct transfer_request *next; | |
126 | }; | |
127 | ||
128 | static struct transfer_request *request_queue_head; | |
129 | ||
130 | struct xml_ctx | |
131 | { | |
132 | char *name; | |
133 | int len; | |
134 | char *cdata; | |
135 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
136 | void *userData; | |
137 | }; | |
138 | ||
139 | struct remote_lock | |
140 | { | |
141 | char *url; | |
142 | char *owner; | |
143 | char *token; | |
144 | char tmpfile_suffix[41]; | |
145 | time_t start_time; | |
146 | long timeout; | |
147 | int refreshing; | |
148 | struct remote_lock *next; | |
149 | }; | |
150 | ||
151 | /* Flags that control remote_ls processing */ | |
152 | #define PROCESS_FILES (1u << 0) | |
153 | #define PROCESS_DIRS (1u << 1) | |
154 | #define RECURSIVE (1u << 2) | |
155 | ||
156 | /* Flags that remote_ls passes to callback functions */ | |
157 | #define IS_DIR (1u << 0) | |
158 | ||
159 | struct remote_ls_ctx | |
160 | { | |
161 | char *path; | |
162 | void (*userFunc)(struct remote_ls_ctx *ls); | |
163 | void *userData; | |
164 | int flags; | |
165 | char *dentry_name; | |
166 | int dentry_flags; | |
167 | struct remote_ls_ctx *parent; | |
168 | }; | |
169 | ||
170 | /* get_dav_token_headers options */ | |
171 | enum dav_header_flag { | |
172 | DAV_HEADER_IF = (1u << 0), | |
173 | DAV_HEADER_LOCK = (1u << 1), | |
174 | DAV_HEADER_TIMEOUT = (1u << 2) | |
175 | }; | |
176 | ||
177 | static char *xml_entities(char *s) | |
178 | { | |
179 | struct strbuf buf = STRBUF_INIT; | |
180 | while (*s) { | |
181 | size_t len = strcspn(s, "\"<>&"); | |
182 | strbuf_add(&buf, s, len); | |
183 | s += len; | |
184 | switch (*s) { | |
185 | case '"': | |
186 | strbuf_addstr(&buf, """); | |
187 | break; | |
188 | case '<': | |
189 | strbuf_addstr(&buf, "<"); | |
190 | break; | |
191 | case '>': | |
192 | strbuf_addstr(&buf, ">"); | |
193 | break; | |
194 | case '&': | |
195 | strbuf_addstr(&buf, "&"); | |
196 | break; | |
197 | case 0: | |
198 | return strbuf_detach(&buf, NULL); | |
199 | } | |
200 | s++; | |
201 | } | |
202 | return strbuf_detach(&buf, NULL); | |
203 | } | |
204 | ||
205 | static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options) | |
206 | { | |
207 | struct strbuf buf = STRBUF_INIT; | |
208 | struct curl_slist *dav_headers = NULL; | |
209 | ||
210 | if (options & DAV_HEADER_IF) { | |
211 | strbuf_addf(&buf, "If: (<%s>)", lock->token); | |
212 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
213 | strbuf_reset(&buf); | |
214 | } | |
215 | if (options & DAV_HEADER_LOCK) { | |
216 | strbuf_addf(&buf, "Lock-Token: <%s>", lock->token); | |
217 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
218 | strbuf_reset(&buf); | |
219 | } | |
220 | if (options & DAV_HEADER_TIMEOUT) { | |
221 | strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout); | |
222 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
223 | strbuf_reset(&buf); | |
224 | } | |
225 | strbuf_release(&buf); | |
226 | ||
227 | return dav_headers; | |
228 | } | |
229 | ||
230 | static void finish_request(struct transfer_request *request); | |
231 | static void release_request(struct transfer_request *request); | |
232 | ||
233 | static void process_response(void *callback_data) | |
234 | { | |
235 | struct transfer_request *request = | |
236 | (struct transfer_request *)callback_data; | |
237 | ||
238 | finish_request(request); | |
239 | } | |
240 | ||
241 | #ifdef USE_CURL_MULTI | |
242 | ||
243 | static void start_fetch_loose(struct transfer_request *request) | |
244 | { | |
245 | struct active_request_slot *slot; | |
246 | struct http_object_request *obj_req; | |
247 | ||
248 | obj_req = new_http_object_request(repo->url, request->obj->sha1); | |
249 | if (obj_req == NULL) { | |
250 | request->state = ABORTED; | |
251 | return; | |
252 | } | |
253 | ||
254 | slot = obj_req->slot; | |
255 | slot->callback_func = process_response; | |
256 | slot->callback_data = request; | |
257 | request->slot = slot; | |
258 | request->userData = obj_req; | |
259 | ||
260 | /* Try to get the request started, abort the request on error */ | |
261 | request->state = RUN_FETCH_LOOSE; | |
262 | if (!start_active_slot(slot)) { | |
263 | fprintf(stderr, "Unable to start GET request\n"); | |
264 | repo->can_update_info_refs = 0; | |
265 | release_http_object_request(obj_req); | |
266 | release_request(request); | |
267 | } | |
268 | } | |
269 | ||
270 | static void start_mkcol(struct transfer_request *request) | |
271 | { | |
272 | char *hex = sha1_to_hex(request->obj->sha1); | |
273 | struct active_request_slot *slot; | |
274 | ||
275 | request->url = get_remote_object_url(repo->url, hex, 1); | |
276 | ||
277 | slot = get_active_slot(); | |
278 | slot->callback_func = process_response; | |
279 | slot->callback_data = request; | |
280 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
281 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
282 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
283 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
284 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
285 | ||
286 | if (start_active_slot(slot)) { | |
287 | request->slot = slot; | |
288 | request->state = RUN_MKCOL; | |
289 | } else { | |
290 | request->state = ABORTED; | |
291 | free(request->url); | |
292 | request->url = NULL; | |
293 | } | |
294 | } | |
295 | #endif | |
296 | ||
297 | static void start_fetch_packed(struct transfer_request *request) | |
298 | { | |
299 | struct packed_git *target; | |
300 | ||
301 | struct transfer_request *check_request = request_queue_head; | |
302 | struct http_pack_request *preq; | |
303 | ||
304 | target = find_sha1_pack(request->obj->sha1, repo->packs); | |
305 | if (!target) { | |
306 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1)); | |
307 | repo->can_update_info_refs = 0; | |
308 | release_request(request); | |
309 | return; | |
310 | } | |
311 | ||
312 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
313 | fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1)); | |
314 | ||
315 | preq = new_http_pack_request(target, repo->url); | |
316 | if (preq == NULL) { | |
317 | release_http_pack_request(preq); | |
318 | repo->can_update_info_refs = 0; | |
319 | return; | |
320 | } | |
321 | preq->lst = &repo->packs; | |
322 | ||
323 | /* Make sure there isn't another open request for this pack */ | |
324 | while (check_request) { | |
325 | if (check_request->state == RUN_FETCH_PACKED && | |
326 | !strcmp(check_request->url, preq->url)) { | |
327 | release_http_pack_request(preq); | |
328 | release_request(request); | |
329 | return; | |
330 | } | |
331 | check_request = check_request->next; | |
332 | } | |
333 | ||
334 | preq->slot->callback_func = process_response; | |
335 | preq->slot->callback_data = request; | |
336 | request->slot = preq->slot; | |
337 | request->userData = preq; | |
338 | ||
339 | /* Try to get the request started, abort the request on error */ | |
340 | request->state = RUN_FETCH_PACKED; | |
341 | if (!start_active_slot(preq->slot)) { | |
342 | fprintf(stderr, "Unable to start GET request\n"); | |
343 | release_http_pack_request(preq); | |
344 | repo->can_update_info_refs = 0; | |
345 | release_request(request); | |
346 | } | |
347 | } | |
348 | ||
349 | static void start_put(struct transfer_request *request) | |
350 | { | |
351 | char *hex = sha1_to_hex(request->obj->sha1); | |
352 | struct active_request_slot *slot; | |
353 | struct strbuf buf = STRBUF_INIT; | |
354 | enum object_type type; | |
355 | char hdr[50]; | |
356 | void *unpacked; | |
357 | unsigned long len; | |
358 | int hdrlen; | |
359 | ssize_t size; | |
360 | z_stream stream; | |
361 | ||
362 | unpacked = read_sha1_file(request->obj->sha1, &type, &len); | |
363 | hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1; | |
364 | ||
365 | /* Set it up */ | |
366 | memset(&stream, 0, sizeof(stream)); | |
367 | deflateInit(&stream, zlib_compression_level); | |
368 | size = deflateBound(&stream, len + hdrlen); | |
369 | strbuf_init(&request->buffer.buf, size); | |
370 | request->buffer.posn = 0; | |
371 | ||
372 | /* Compress it */ | |
373 | stream.next_out = (unsigned char *)request->buffer.buf.buf; | |
374 | stream.avail_out = size; | |
375 | ||
376 | /* First header.. */ | |
377 | stream.next_in = (void *)hdr; | |
378 | stream.avail_in = hdrlen; | |
379 | while (deflate(&stream, 0) == Z_OK) | |
380 | /* nothing */; | |
381 | ||
382 | /* Then the data itself.. */ | |
383 | stream.next_in = unpacked; | |
384 | stream.avail_in = len; | |
385 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
386 | /* nothing */; | |
387 | deflateEnd(&stream); | |
388 | free(unpacked); | |
389 | ||
390 | request->buffer.buf.len = stream.total_out; | |
391 | ||
392 | strbuf_addstr(&buf, "Destination: "); | |
393 | append_remote_object_url(&buf, repo->url, hex, 0); | |
394 | request->dest = strbuf_detach(&buf, NULL); | |
395 | ||
396 | append_remote_object_url(&buf, repo->url, hex, 0); | |
397 | strbuf_add(&buf, request->lock->tmpfile_suffix, 41); | |
398 | request->url = strbuf_detach(&buf, NULL); | |
399 | ||
400 | slot = get_active_slot(); | |
401 | slot->callback_func = process_response; | |
402 | slot->callback_data = request; | |
403 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); | |
404 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len); | |
405 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
406 | #ifndef NO_CURL_IOCTL | |
407 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
408 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &request->buffer); | |
409 | #endif | |
410 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
411 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
412 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
413 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
414 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
415 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
416 | ||
417 | if (start_active_slot(slot)) { | |
418 | request->slot = slot; | |
419 | request->state = RUN_PUT; | |
420 | } else { | |
421 | request->state = ABORTED; | |
422 | free(request->url); | |
423 | request->url = NULL; | |
424 | } | |
425 | } | |
426 | ||
427 | static void start_move(struct transfer_request *request) | |
428 | { | |
429 | struct active_request_slot *slot; | |
430 | struct curl_slist *dav_headers = NULL; | |
431 | ||
432 | slot = get_active_slot(); | |
433 | slot->callback_func = process_response; | |
434 | slot->callback_data = request; | |
435 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
436 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
437 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
438 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
439 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
440 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
441 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
442 | ||
443 | if (start_active_slot(slot)) { | |
444 | request->slot = slot; | |
445 | request->state = RUN_MOVE; | |
446 | } else { | |
447 | request->state = ABORTED; | |
448 | free(request->url); | |
449 | request->url = NULL; | |
450 | } | |
451 | } | |
452 | ||
453 | static int refresh_lock(struct remote_lock *lock) | |
454 | { | |
455 | struct active_request_slot *slot; | |
456 | struct slot_results results; | |
457 | struct curl_slist *dav_headers; | |
458 | int rc = 0; | |
459 | ||
460 | lock->refreshing = 1; | |
461 | ||
462 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT); | |
463 | ||
464 | slot = get_active_slot(); | |
465 | slot->results = &results; | |
466 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
467 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
468 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
469 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
470 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
471 | ||
472 | if (start_active_slot(slot)) { | |
473 | run_active_slot(slot); | |
474 | if (results.curl_result != CURLE_OK) { | |
475 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
476 | results.http_code); | |
477 | } else { | |
478 | lock->start_time = time(NULL); | |
479 | rc = 1; | |
480 | } | |
481 | } | |
482 | ||
483 | lock->refreshing = 0; | |
484 | curl_slist_free_all(dav_headers); | |
485 | ||
486 | return rc; | |
487 | } | |
488 | ||
489 | static void check_locks(void) | |
490 | { | |
491 | struct remote_lock *lock = repo->locks; | |
492 | time_t current_time = time(NULL); | |
493 | int time_remaining; | |
494 | ||
495 | while (lock) { | |
496 | time_remaining = lock->start_time + lock->timeout - | |
497 | current_time; | |
498 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
499 | if (!refresh_lock(lock)) { | |
500 | fprintf(stderr, | |
501 | "Unable to refresh lock for %s\n", | |
502 | lock->url); | |
503 | aborted = 1; | |
504 | return; | |
505 | } | |
506 | } | |
507 | lock = lock->next; | |
508 | } | |
509 | } | |
510 | ||
511 | static void release_request(struct transfer_request *request) | |
512 | { | |
513 | struct transfer_request *entry = request_queue_head; | |
514 | ||
515 | if (request == request_queue_head) { | |
516 | request_queue_head = request->next; | |
517 | } else { | |
518 | while (entry->next != NULL && entry->next != request) | |
519 | entry = entry->next; | |
520 | if (entry->next == request) | |
521 | entry->next = entry->next->next; | |
522 | } | |
523 | ||
524 | free(request->url); | |
525 | free(request); | |
526 | } | |
527 | ||
528 | static void finish_request(struct transfer_request *request) | |
529 | { | |
530 | struct http_pack_request *preq; | |
531 | struct http_object_request *obj_req; | |
532 | ||
533 | request->curl_result = request->slot->curl_result; | |
534 | request->http_code = request->slot->http_code; | |
535 | request->slot = NULL; | |
536 | ||
537 | /* Keep locks active */ | |
538 | check_locks(); | |
539 | ||
540 | if (request->headers != NULL) | |
541 | curl_slist_free_all(request->headers); | |
542 | ||
543 | /* URL is reused for MOVE after PUT */ | |
544 | if (request->state != RUN_PUT) { | |
545 | free(request->url); | |
546 | request->url = NULL; | |
547 | } | |
548 | ||
549 | if (request->state == RUN_MKCOL) { | |
550 | if (request->curl_result == CURLE_OK || | |
551 | request->http_code == 405) { | |
552 | remote_dir_exists[request->obj->sha1[0]] = 1; | |
553 | start_put(request); | |
554 | } else { | |
555 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
556 | sha1_to_hex(request->obj->sha1), | |
557 | request->curl_result, request->http_code); | |
558 | request->state = ABORTED; | |
559 | aborted = 1; | |
560 | } | |
561 | } else if (request->state == RUN_PUT) { | |
562 | if (request->curl_result == CURLE_OK) { | |
563 | start_move(request); | |
564 | } else { | |
565 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
566 | sha1_to_hex(request->obj->sha1), | |
567 | request->curl_result, request->http_code); | |
568 | request->state = ABORTED; | |
569 | aborted = 1; | |
570 | } | |
571 | } else if (request->state == RUN_MOVE) { | |
572 | if (request->curl_result == CURLE_OK) { | |
573 | if (push_verbosely) | |
574 | fprintf(stderr, " sent %s\n", | |
575 | sha1_to_hex(request->obj->sha1)); | |
576 | request->obj->flags |= REMOTE; | |
577 | release_request(request); | |
578 | } else { | |
579 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
580 | sha1_to_hex(request->obj->sha1), | |
581 | request->curl_result, request->http_code); | |
582 | request->state = ABORTED; | |
583 | aborted = 1; | |
584 | } | |
585 | } else if (request->state == RUN_FETCH_LOOSE) { | |
586 | obj_req = (struct http_object_request *)request->userData; | |
587 | ||
588 | if (finish_http_object_request(obj_req) == 0) | |
589 | if (obj_req->rename == 0) | |
590 | request->obj->flags |= (LOCAL | REMOTE); | |
591 | ||
592 | /* Try fetching packed if necessary */ | |
593 | if (request->obj->flags & LOCAL) { | |
594 | release_http_object_request(obj_req); | |
595 | release_request(request); | |
596 | } else | |
597 | start_fetch_packed(request); | |
598 | ||
599 | } else if (request->state == RUN_FETCH_PACKED) { | |
600 | int fail = 1; | |
601 | if (request->curl_result != CURLE_OK) { | |
602 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
603 | request->url, curl_errorstr); | |
604 | } else { | |
605 | preq = (struct http_pack_request *)request->userData; | |
606 | ||
607 | if (preq) { | |
608 | if (finish_http_pack_request(preq) == 0) | |
609 | fail = 0; | |
610 | release_http_pack_request(preq); | |
611 | } | |
612 | } | |
613 | if (fail) | |
614 | repo->can_update_info_refs = 0; | |
615 | release_request(request); | |
616 | } | |
617 | } | |
618 | ||
619 | #ifdef USE_CURL_MULTI | |
620 | static int is_running_queue; | |
621 | static int fill_active_slot(void *unused) | |
622 | { | |
623 | struct transfer_request *request; | |
624 | ||
625 | if (aborted || !is_running_queue) | |
626 | return 0; | |
627 | ||
628 | for (request = request_queue_head; request; request = request->next) { | |
629 | if (request->state == NEED_FETCH) { | |
630 | start_fetch_loose(request); | |
631 | return 1; | |
632 | } else if (pushing && request->state == NEED_PUSH) { | |
633 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { | |
634 | start_put(request); | |
635 | } else { | |
636 | start_mkcol(request); | |
637 | } | |
638 | return 1; | |
639 | } | |
640 | } | |
641 | return 0; | |
642 | } | |
643 | #endif | |
644 | ||
645 | static void get_remote_object_list(unsigned char parent); | |
646 | ||
647 | static void add_fetch_request(struct object *obj) | |
648 | { | |
649 | struct transfer_request *request; | |
650 | ||
651 | check_locks(); | |
652 | ||
653 | /* | |
654 | * Don't fetch the object if it's known to exist locally | |
655 | * or is already in the request queue | |
656 | */ | |
657 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
658 | get_remote_object_list(obj->sha1[0]); | |
659 | if (obj->flags & (LOCAL | FETCHING)) | |
660 | return; | |
661 | ||
662 | obj->flags |= FETCHING; | |
663 | request = xmalloc(sizeof(*request)); | |
664 | request->obj = obj; | |
665 | request->url = NULL; | |
666 | request->lock = NULL; | |
667 | request->headers = NULL; | |
668 | request->state = NEED_FETCH; | |
669 | request->next = request_queue_head; | |
670 | request_queue_head = request; | |
671 | ||
672 | #ifdef USE_CURL_MULTI | |
673 | fill_active_slots(); | |
674 | step_active_slots(); | |
675 | #endif | |
676 | } | |
677 | ||
678 | static int add_send_request(struct object *obj, struct remote_lock *lock) | |
679 | { | |
680 | struct transfer_request *request = request_queue_head; | |
681 | struct packed_git *target; | |
682 | ||
683 | /* Keep locks active */ | |
684 | check_locks(); | |
685 | ||
686 | /* | |
687 | * Don't push the object if it's known to exist on the remote | |
688 | * or is already in the request queue | |
689 | */ | |
690 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
691 | get_remote_object_list(obj->sha1[0]); | |
692 | if (obj->flags & (REMOTE | PUSHING)) | |
693 | return 0; | |
694 | target = find_sha1_pack(obj->sha1, repo->packs); | |
695 | if (target) { | |
696 | obj->flags |= REMOTE; | |
697 | return 0; | |
698 | } | |
699 | ||
700 | obj->flags |= PUSHING; | |
701 | request = xmalloc(sizeof(*request)); | |
702 | request->obj = obj; | |
703 | request->url = NULL; | |
704 | request->lock = lock; | |
705 | request->headers = NULL; | |
706 | request->state = NEED_PUSH; | |
707 | request->next = request_queue_head; | |
708 | request_queue_head = request; | |
709 | ||
710 | #ifdef USE_CURL_MULTI | |
711 | fill_active_slots(); | |
712 | step_active_slots(); | |
713 | #endif | |
714 | ||
715 | return 1; | |
716 | } | |
717 | ||
718 | static int fetch_indices(void) | |
719 | { | |
720 | int ret; | |
721 | ||
722 | if (push_verbosely) | |
723 | fprintf(stderr, "Getting pack list\n"); | |
724 | ||
725 | switch (http_get_info_packs(repo->url, &repo->packs)) { | |
726 | case HTTP_OK: | |
727 | case HTTP_MISSING_TARGET: | |
728 | ret = 0; | |
729 | break; | |
730 | default: | |
731 | ret = -1; | |
732 | } | |
733 | ||
734 | return ret; | |
735 | } | |
736 | ||
737 | static void one_remote_object(const char *hex) | |
738 | { | |
739 | unsigned char sha1[20]; | |
740 | struct object *obj; | |
741 | ||
742 | if (get_sha1_hex(hex, sha1) != 0) | |
743 | return; | |
744 | ||
745 | obj = lookup_object(sha1); | |
746 | if (!obj) | |
747 | obj = parse_object(sha1); | |
748 | ||
749 | /* Ignore remote objects that don't exist locally */ | |
750 | if (!obj) | |
751 | return; | |
752 | ||
753 | obj->flags |= REMOTE; | |
754 | if (!object_list_contains(objects, obj)) | |
755 | object_list_insert(obj, &objects); | |
756 | } | |
757 | ||
758 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) | |
759 | { | |
760 | int *lock_flags = (int *)ctx->userData; | |
761 | ||
762 | if (tag_closed) { | |
763 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
764 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
765 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
766 | *lock_flags |= DAV_LOCK_OK; | |
767 | } | |
768 | *lock_flags &= DAV_LOCK_OK; | |
769 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
770 | *lock_flags |= DAV_PROP_LOCKWR; | |
771 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
772 | *lock_flags |= DAV_PROP_LOCKEX; | |
773 | } | |
774 | } | |
775 | } | |
776 | ||
777 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) | |
778 | { | |
779 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; | |
780 | git_SHA_CTX sha_ctx; | |
781 | unsigned char lock_token_sha1[20]; | |
782 | ||
783 | if (tag_closed && ctx->cdata) { | |
784 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
785 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
786 | strcpy(lock->owner, ctx->cdata); | |
787 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
788 | if (!prefixcmp(ctx->cdata, "Second-")) | |
789 | lock->timeout = | |
790 | strtol(ctx->cdata + 7, NULL, 10); | |
791 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
792 | lock->token = xmalloc(strlen(ctx->cdata) + 1); | |
793 | strcpy(lock->token, ctx->cdata); | |
794 | ||
795 | git_SHA1_Init(&sha_ctx); | |
796 | git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token)); | |
797 | git_SHA1_Final(lock_token_sha1, &sha_ctx); | |
798 | ||
799 | lock->tmpfile_suffix[0] = '_'; | |
800 | memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40); | |
801 | } | |
802 | } | |
803 | } | |
804 | ||
805 | static void one_remote_ref(char *refname); | |
806 | ||
807 | static void | |
808 | xml_start_tag(void *userData, const char *name, const char **atts) | |
809 | { | |
810 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
811 | const char *c = strchr(name, ':'); | |
812 | int new_len; | |
813 | ||
814 | if (c == NULL) | |
815 | c = name; | |
816 | else | |
817 | c++; | |
818 | ||
819 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
820 | ||
821 | if (new_len > ctx->len) { | |
822 | ctx->name = xrealloc(ctx->name, new_len); | |
823 | ctx->len = new_len; | |
824 | } | |
825 | strcat(ctx->name, "."); | |
826 | strcat(ctx->name, c); | |
827 | ||
828 | free(ctx->cdata); | |
829 | ctx->cdata = NULL; | |
830 | ||
831 | ctx->userFunc(ctx, 0); | |
832 | } | |
833 | ||
834 | static void | |
835 | xml_end_tag(void *userData, const char *name) | |
836 | { | |
837 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
838 | const char *c = strchr(name, ':'); | |
839 | char *ep; | |
840 | ||
841 | ctx->userFunc(ctx, 1); | |
842 | ||
843 | if (c == NULL) | |
844 | c = name; | |
845 | else | |
846 | c++; | |
847 | ||
848 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
849 | *ep = 0; | |
850 | } | |
851 | ||
852 | static void | |
853 | xml_cdata(void *userData, const XML_Char *s, int len) | |
854 | { | |
855 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
856 | free(ctx->cdata); | |
857 | ctx->cdata = xmemdupz(s, len); | |
858 | } | |
859 | ||
860 | static struct remote_lock *lock_remote(const char *path, long timeout) | |
861 | { | |
862 | struct active_request_slot *slot; | |
863 | struct slot_results results; | |
864 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
865 | struct strbuf in_buffer = STRBUF_INIT; | |
866 | char *url; | |
867 | char *ep; | |
868 | char timeout_header[25]; | |
869 | struct remote_lock *lock = NULL; | |
870 | struct curl_slist *dav_headers = NULL; | |
871 | struct xml_ctx ctx; | |
872 | char *escaped; | |
873 | ||
874 | url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
875 | sprintf(url, "%s%s", repo->url, path); | |
876 | ||
877 | /* Make sure leading directories exist for the remote ref */ | |
878 | ep = strchr(url + strlen(repo->url) + 1, '/'); | |
879 | while (ep) { | |
880 | char saved_character = ep[1]; | |
881 | ep[1] = '\0'; | |
882 | slot = get_active_slot(); | |
883 | slot->results = &results; | |
884 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
885 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
886 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
887 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
888 | if (start_active_slot(slot)) { | |
889 | run_active_slot(slot); | |
890 | if (results.curl_result != CURLE_OK && | |
891 | results.http_code != 405) { | |
892 | fprintf(stderr, | |
893 | "Unable to create branch path %s\n", | |
894 | url); | |
895 | free(url); | |
896 | return NULL; | |
897 | } | |
898 | } else { | |
899 | fprintf(stderr, "Unable to start MKCOL request\n"); | |
900 | free(url); | |
901 | return NULL; | |
902 | } | |
903 | ep[1] = saved_character; | |
904 | ep = strchr(ep + 1, '/'); | |
905 | } | |
906 | ||
907 | escaped = xml_entities(git_default_email); | |
908 | strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped); | |
909 | free(escaped); | |
910 | ||
911 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); | |
912 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
913 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
914 | ||
915 | slot = get_active_slot(); | |
916 | slot->results = &results; | |
917 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
918 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len); | |
919 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
920 | #ifndef NO_CURL_IOCTL | |
921 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
922 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer); | |
923 | #endif | |
924 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
925 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
926 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
927 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
928 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
929 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
930 | ||
931 | lock = xcalloc(1, sizeof(*lock)); | |
932 | lock->timeout = -1; | |
933 | ||
934 | if (start_active_slot(slot)) { | |
935 | run_active_slot(slot); | |
936 | if (results.curl_result == CURLE_OK) { | |
937 | XML_Parser parser = XML_ParserCreate(NULL); | |
938 | enum XML_Status result; | |
939 | ctx.name = xcalloc(10, 1); | |
940 | ctx.len = 0; | |
941 | ctx.cdata = NULL; | |
942 | ctx.userFunc = handle_new_lock_ctx; | |
943 | ctx.userData = lock; | |
944 | XML_SetUserData(parser, &ctx); | |
945 | XML_SetElementHandler(parser, xml_start_tag, | |
946 | xml_end_tag); | |
947 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
948 | result = XML_Parse(parser, in_buffer.buf, | |
949 | in_buffer.len, 1); | |
950 | free(ctx.name); | |
951 | if (result != XML_STATUS_OK) { | |
952 | fprintf(stderr, "XML error: %s\n", | |
953 | XML_ErrorString( | |
954 | XML_GetErrorCode(parser))); | |
955 | lock->timeout = -1; | |
956 | } | |
957 | XML_ParserFree(parser); | |
958 | } | |
959 | } else { | |
960 | fprintf(stderr, "Unable to start LOCK request\n"); | |
961 | } | |
962 | ||
963 | curl_slist_free_all(dav_headers); | |
964 | strbuf_release(&out_buffer.buf); | |
965 | strbuf_release(&in_buffer); | |
966 | ||
967 | if (lock->token == NULL || lock->timeout <= 0) { | |
968 | free(lock->token); | |
969 | free(lock->owner); | |
970 | free(url); | |
971 | free(lock); | |
972 | lock = NULL; | |
973 | } else { | |
974 | lock->url = url; | |
975 | lock->start_time = time(NULL); | |
976 | lock->next = repo->locks; | |
977 | repo->locks = lock; | |
978 | } | |
979 | ||
980 | return lock; | |
981 | } | |
982 | ||
983 | static int unlock_remote(struct remote_lock *lock) | |
984 | { | |
985 | struct active_request_slot *slot; | |
986 | struct slot_results results; | |
987 | struct remote_lock *prev = repo->locks; | |
988 | struct curl_slist *dav_headers; | |
989 | int rc = 0; | |
990 | ||
991 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK); | |
992 | ||
993 | slot = get_active_slot(); | |
994 | slot->results = &results; | |
995 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
996 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
997 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); | |
998 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
999 | ||
1000 | if (start_active_slot(slot)) { | |
1001 | run_active_slot(slot); | |
1002 | if (results.curl_result == CURLE_OK) | |
1003 | rc = 1; | |
1004 | else | |
1005 | fprintf(stderr, "UNLOCK HTTP error %ld\n", | |
1006 | results.http_code); | |
1007 | } else { | |
1008 | fprintf(stderr, "Unable to start UNLOCK request\n"); | |
1009 | } | |
1010 | ||
1011 | curl_slist_free_all(dav_headers); | |
1012 | ||
1013 | if (repo->locks == lock) { | |
1014 | repo->locks = lock->next; | |
1015 | } else { | |
1016 | while (prev && prev->next != lock) | |
1017 | prev = prev->next; | |
1018 | if (prev) | |
1019 | prev->next = prev->next->next; | |
1020 | } | |
1021 | ||
1022 | free(lock->owner); | |
1023 | free(lock->url); | |
1024 | free(lock->token); | |
1025 | free(lock); | |
1026 | ||
1027 | return rc; | |
1028 | } | |
1029 | ||
1030 | static void remove_locks(void) | |
1031 | { | |
1032 | struct remote_lock *lock = repo->locks; | |
1033 | ||
1034 | fprintf(stderr, "Removing remote locks...\n"); | |
1035 | while (lock) { | |
1036 | struct remote_lock *next = lock->next; | |
1037 | unlock_remote(lock); | |
1038 | lock = next; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | static void remove_locks_on_signal(int signo) | |
1043 | { | |
1044 | remove_locks(); | |
1045 | sigchain_pop(signo); | |
1046 | raise(signo); | |
1047 | } | |
1048 | ||
1049 | static void remote_ls(const char *path, int flags, | |
1050 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1051 | void *userData); | |
1052 | ||
1053 | static void process_ls_object(struct remote_ls_ctx *ls) | |
1054 | { | |
1055 | unsigned int *parent = (unsigned int *)ls->userData; | |
1056 | char *path = ls->dentry_name; | |
1057 | char *obj_hex; | |
1058 | ||
1059 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { | |
1060 | remote_dir_exists[*parent] = 1; | |
1061 | return; | |
1062 | } | |
1063 | ||
1064 | if (strlen(path) != 49) | |
1065 | return; | |
1066 | path += 8; | |
1067 | obj_hex = xmalloc(strlen(path)); | |
1068 | /* NB: path is not null-terminated, can not use strlcpy here */ | |
1069 | memcpy(obj_hex, path, 2); | |
1070 | strcpy(obj_hex + 2, path + 3); | |
1071 | one_remote_object(obj_hex); | |
1072 | free(obj_hex); | |
1073 | } | |
1074 | ||
1075 | static void process_ls_ref(struct remote_ls_ctx *ls) | |
1076 | { | |
1077 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1078 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1079 | return; | |
1080 | } | |
1081 | ||
1082 | if (!(ls->dentry_flags & IS_DIR)) | |
1083 | one_remote_ref(ls->dentry_name); | |
1084 | } | |
1085 | ||
1086 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) | |
1087 | { | |
1088 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
1089 | ||
1090 | if (tag_closed) { | |
1091 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1092 | if (ls->dentry_flags & IS_DIR) { | |
1093 | ||
1094 | /* ensure collection names end with slash */ | |
1095 | str_end_url_with_slash(ls->dentry_name, &ls->dentry_name); | |
1096 | ||
1097 | if (ls->flags & PROCESS_DIRS) { | |
1098 | ls->userFunc(ls); | |
1099 | } | |
1100 | if (strcmp(ls->dentry_name, ls->path) && | |
1101 | ls->flags & RECURSIVE) { | |
1102 | remote_ls(ls->dentry_name, | |
1103 | ls->flags, | |
1104 | ls->userFunc, | |
1105 | ls->userData); | |
1106 | } | |
1107 | } else if (ls->flags & PROCESS_FILES) { | |
1108 | ls->userFunc(ls); | |
1109 | } | |
1110 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
1111 | char *path = ctx->cdata; | |
1112 | if (*ctx->cdata == 'h') { | |
1113 | path = strstr(path, "//"); | |
1114 | if (path) { | |
1115 | path = strchr(path+2, '/'); | |
1116 | } | |
1117 | } | |
1118 | if (path) { | |
1119 | const char *url = repo->url; | |
1120 | if (repo->path) | |
1121 | url = repo->path; | |
1122 | if (strncmp(path, url, repo->path_len)) | |
1123 | error("Parsed path '%s' does not match url: '%s'\n", | |
1124 | path, url); | |
1125 | else { | |
1126 | path += repo->path_len; | |
1127 | ls->dentry_name = xstrdup(path); | |
1128 | } | |
1129 | } | |
1130 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1131 | ls->dentry_flags |= IS_DIR; | |
1132 | } | |
1133 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
1134 | free(ls->dentry_name); | |
1135 | ls->dentry_name = NULL; | |
1136 | ls->dentry_flags = 0; | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | /* | |
1141 | * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it | |
1142 | * should _only_ heed the information from that file, instead of trying to | |
1143 | * determine the refs from the remote file system (badly: it does not even | |
1144 | * know about packed-refs). | |
1145 | */ | |
1146 | static void remote_ls(const char *path, int flags, | |
1147 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1148 | void *userData) | |
1149 | { | |
1150 | char *url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
1151 | struct active_request_slot *slot; | |
1152 | struct slot_results results; | |
1153 | struct strbuf in_buffer = STRBUF_INIT; | |
1154 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1155 | struct curl_slist *dav_headers = NULL; | |
1156 | struct xml_ctx ctx; | |
1157 | struct remote_ls_ctx ls; | |
1158 | ||
1159 | ls.flags = flags; | |
1160 | ls.path = xstrdup(path); | |
1161 | ls.dentry_name = NULL; | |
1162 | ls.dentry_flags = 0; | |
1163 | ls.userData = userData; | |
1164 | ls.userFunc = userFunc; | |
1165 | ||
1166 | sprintf(url, "%s%s", repo->url, path); | |
1167 | ||
1168 | strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST); | |
1169 | ||
1170 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1171 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1172 | ||
1173 | slot = get_active_slot(); | |
1174 | slot->results = &results; | |
1175 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1176 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len); | |
1177 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1178 | #ifndef NO_CURL_IOCTL | |
1179 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
1180 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer); | |
1181 | #endif | |
1182 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1183 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1184 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1185 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1186 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1187 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1188 | ||
1189 | if (start_active_slot(slot)) { | |
1190 | run_active_slot(slot); | |
1191 | if (results.curl_result == CURLE_OK) { | |
1192 | XML_Parser parser = XML_ParserCreate(NULL); | |
1193 | enum XML_Status result; | |
1194 | ctx.name = xcalloc(10, 1); | |
1195 | ctx.len = 0; | |
1196 | ctx.cdata = NULL; | |
1197 | ctx.userFunc = handle_remote_ls_ctx; | |
1198 | ctx.userData = &ls; | |
1199 | XML_SetUserData(parser, &ctx); | |
1200 | XML_SetElementHandler(parser, xml_start_tag, | |
1201 | xml_end_tag); | |
1202 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1203 | result = XML_Parse(parser, in_buffer.buf, | |
1204 | in_buffer.len, 1); | |
1205 | free(ctx.name); | |
1206 | ||
1207 | if (result != XML_STATUS_OK) { | |
1208 | fprintf(stderr, "XML error: %s\n", | |
1209 | XML_ErrorString( | |
1210 | XML_GetErrorCode(parser))); | |
1211 | } | |
1212 | XML_ParserFree(parser); | |
1213 | } | |
1214 | } else { | |
1215 | fprintf(stderr, "Unable to start PROPFIND request\n"); | |
1216 | } | |
1217 | ||
1218 | free(ls.path); | |
1219 | free(url); | |
1220 | strbuf_release(&out_buffer.buf); | |
1221 | strbuf_release(&in_buffer); | |
1222 | curl_slist_free_all(dav_headers); | |
1223 | } | |
1224 | ||
1225 | static void get_remote_object_list(unsigned char parent) | |
1226 | { | |
1227 | char path[] = "objects/XX/"; | |
1228 | static const char hex[] = "0123456789abcdef"; | |
1229 | unsigned int val = parent; | |
1230 | ||
1231 | path[8] = hex[val >> 4]; | |
1232 | path[9] = hex[val & 0xf]; | |
1233 | remote_dir_exists[val] = 0; | |
1234 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1235 | process_ls_object, &val); | |
1236 | } | |
1237 | ||
1238 | static int locking_available(void) | |
1239 | { | |
1240 | struct active_request_slot *slot; | |
1241 | struct slot_results results; | |
1242 | struct strbuf in_buffer = STRBUF_INIT; | |
1243 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1244 | struct curl_slist *dav_headers = NULL; | |
1245 | struct xml_ctx ctx; | |
1246 | int lock_flags = 0; | |
1247 | char *escaped; | |
1248 | ||
1249 | escaped = xml_entities(repo->url); | |
1250 | strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped); | |
1251 | free(escaped); | |
1252 | ||
1253 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1254 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1255 | ||
1256 | slot = get_active_slot(); | |
1257 | slot->results = &results; | |
1258 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1259 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len); | |
1260 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1261 | #ifndef NO_CURL_IOCTL | |
1262 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
1263 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer); | |
1264 | #endif | |
1265 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1266 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1267 | curl_easy_setopt(slot->curl, CURLOPT_URL, repo->url); | |
1268 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1269 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1270 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1271 | ||
1272 | if (start_active_slot(slot)) { | |
1273 | run_active_slot(slot); | |
1274 | if (results.curl_result == CURLE_OK) { | |
1275 | XML_Parser parser = XML_ParserCreate(NULL); | |
1276 | enum XML_Status result; | |
1277 | ctx.name = xcalloc(10, 1); | |
1278 | ctx.len = 0; | |
1279 | ctx.cdata = NULL; | |
1280 | ctx.userFunc = handle_lockprop_ctx; | |
1281 | ctx.userData = &lock_flags; | |
1282 | XML_SetUserData(parser, &ctx); | |
1283 | XML_SetElementHandler(parser, xml_start_tag, | |
1284 | xml_end_tag); | |
1285 | result = XML_Parse(parser, in_buffer.buf, | |
1286 | in_buffer.len, 1); | |
1287 | free(ctx.name); | |
1288 | ||
1289 | if (result != XML_STATUS_OK) { | |
1290 | fprintf(stderr, "XML error: %s\n", | |
1291 | XML_ErrorString( | |
1292 | XML_GetErrorCode(parser))); | |
1293 | lock_flags = 0; | |
1294 | } | |
1295 | XML_ParserFree(parser); | |
1296 | if (!lock_flags) | |
1297 | error("no DAV locking support on %s", | |
1298 | repo->url); | |
1299 | ||
1300 | } else { | |
1301 | error("Cannot access URL %s, return code %d", | |
1302 | repo->url, results.curl_result); | |
1303 | lock_flags = 0; | |
1304 | } | |
1305 | } else { | |
1306 | error("Unable to start PROPFIND request on %s", repo->url); | |
1307 | } | |
1308 | ||
1309 | strbuf_release(&out_buffer.buf); | |
1310 | strbuf_release(&in_buffer); | |
1311 | curl_slist_free_all(dav_headers); | |
1312 | ||
1313 | return lock_flags; | |
1314 | } | |
1315 | ||
1316 | static struct object_list **add_one_object(struct object *obj, struct object_list **p) | |
1317 | { | |
1318 | struct object_list *entry = xmalloc(sizeof(struct object_list)); | |
1319 | entry->item = obj; | |
1320 | entry->next = *p; | |
1321 | *p = entry; | |
1322 | return &entry->next; | |
1323 | } | |
1324 | ||
1325 | static struct object_list **process_blob(struct blob *blob, | |
1326 | struct object_list **p, | |
1327 | struct name_path *path, | |
1328 | const char *name) | |
1329 | { | |
1330 | struct object *obj = &blob->object; | |
1331 | ||
1332 | obj->flags |= LOCAL; | |
1333 | ||
1334 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1335 | return p; | |
1336 | ||
1337 | obj->flags |= SEEN; | |
1338 | return add_one_object(obj, p); | |
1339 | } | |
1340 | ||
1341 | static struct object_list **process_tree(struct tree *tree, | |
1342 | struct object_list **p, | |
1343 | struct name_path *path, | |
1344 | const char *name) | |
1345 | { | |
1346 | struct object *obj = &tree->object; | |
1347 | struct tree_desc desc; | |
1348 | struct name_entry entry; | |
1349 | struct name_path me; | |
1350 | ||
1351 | obj->flags |= LOCAL; | |
1352 | ||
1353 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1354 | return p; | |
1355 | if (parse_tree(tree) < 0) | |
1356 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1357 | ||
1358 | obj->flags |= SEEN; | |
1359 | name = xstrdup(name); | |
1360 | p = add_one_object(obj, p); | |
1361 | me.up = path; | |
1362 | me.elem = name; | |
1363 | me.elem_len = strlen(name); | |
1364 | ||
1365 | init_tree_desc(&desc, tree->buffer, tree->size); | |
1366 | ||
1367 | while (tree_entry(&desc, &entry)) | |
1368 | switch (object_type(entry.mode)) { | |
1369 | case OBJ_TREE: | |
1370 | p = process_tree(lookup_tree(entry.sha1), p, &me, name); | |
1371 | break; | |
1372 | case OBJ_BLOB: | |
1373 | p = process_blob(lookup_blob(entry.sha1), p, &me, name); | |
1374 | break; | |
1375 | default: | |
1376 | /* Subproject commit - not in this repository */ | |
1377 | break; | |
1378 | } | |
1379 | ||
1380 | free(tree->buffer); | |
1381 | tree->buffer = NULL; | |
1382 | return p; | |
1383 | } | |
1384 | ||
1385 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) | |
1386 | { | |
1387 | int i; | |
1388 | struct commit *commit; | |
1389 | struct object_list **p = &objects; | |
1390 | int count = 0; | |
1391 | ||
1392 | while ((commit = get_revision(revs)) != NULL) { | |
1393 | p = process_tree(commit->tree, p, NULL, ""); | |
1394 | commit->object.flags |= LOCAL; | |
1395 | if (!(commit->object.flags & UNINTERESTING)) | |
1396 | count += add_send_request(&commit->object, lock); | |
1397 | } | |
1398 | ||
1399 | for (i = 0; i < revs->pending.nr; i++) { | |
1400 | struct object_array_entry *entry = revs->pending.objects + i; | |
1401 | struct object *obj = entry->item; | |
1402 | const char *name = entry->name; | |
1403 | ||
1404 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1405 | continue; | |
1406 | if (obj->type == OBJ_TAG) { | |
1407 | obj->flags |= SEEN; | |
1408 | p = add_one_object(obj, p); | |
1409 | continue; | |
1410 | } | |
1411 | if (obj->type == OBJ_TREE) { | |
1412 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1413 | continue; | |
1414 | } | |
1415 | if (obj->type == OBJ_BLOB) { | |
1416 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1417 | continue; | |
1418 | } | |
1419 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); | |
1420 | } | |
1421 | ||
1422 | while (objects) { | |
1423 | if (!(objects->item->flags & UNINTERESTING)) | |
1424 | count += add_send_request(objects->item, lock); | |
1425 | objects = objects->next; | |
1426 | } | |
1427 | ||
1428 | return count; | |
1429 | } | |
1430 | ||
1431 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) | |
1432 | { | |
1433 | struct active_request_slot *slot; | |
1434 | struct slot_results results; | |
1435 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1436 | struct curl_slist *dav_headers; | |
1437 | ||
1438 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1439 | ||
1440 | strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1)); | |
1441 | ||
1442 | slot = get_active_slot(); | |
1443 | slot->results = &results; | |
1444 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1445 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len); | |
1446 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1447 | #ifndef NO_CURL_IOCTL | |
1448 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
1449 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer); | |
1450 | #endif | |
1451 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1452 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1453 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1454 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1455 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
1456 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
1457 | ||
1458 | if (start_active_slot(slot)) { | |
1459 | run_active_slot(slot); | |
1460 | strbuf_release(&out_buffer.buf); | |
1461 | if (results.curl_result != CURLE_OK) { | |
1462 | fprintf(stderr, | |
1463 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1464 | results.curl_result, results.http_code); | |
1465 | /* We should attempt recovery? */ | |
1466 | return 0; | |
1467 | } | |
1468 | } else { | |
1469 | strbuf_release(&out_buffer.buf); | |
1470 | fprintf(stderr, "Unable to start PUT request\n"); | |
1471 | return 0; | |
1472 | } | |
1473 | ||
1474 | return 1; | |
1475 | } | |
1476 | ||
1477 | static struct ref *remote_refs; | |
1478 | ||
1479 | static void one_remote_ref(char *refname) | |
1480 | { | |
1481 | struct ref *ref; | |
1482 | struct object *obj; | |
1483 | ||
1484 | ref = alloc_ref(refname); | |
1485 | ||
1486 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1487 | fprintf(stderr, | |
1488 | "Unable to fetch ref %s from %s\n", | |
1489 | refname, repo->url); | |
1490 | free(ref); | |
1491 | return; | |
1492 | } | |
1493 | ||
1494 | /* | |
1495 | * Fetch a copy of the object if it doesn't exist locally - it | |
1496 | * may be required for updating server info later. | |
1497 | */ | |
1498 | if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) { | |
1499 | obj = lookup_unknown_object(ref->old_sha1); | |
1500 | if (obj) { | |
1501 | fprintf(stderr, " fetch %s for %s\n", | |
1502 | sha1_to_hex(ref->old_sha1), refname); | |
1503 | add_fetch_request(obj); | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | ref->next = remote_refs; | |
1508 | remote_refs = ref; | |
1509 | } | |
1510 | ||
1511 | static void get_dav_remote_heads(void) | |
1512 | { | |
1513 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); | |
1514 | } | |
1515 | ||
1516 | static void add_remote_info_ref(struct remote_ls_ctx *ls) | |
1517 | { | |
1518 | struct strbuf *buf = (struct strbuf *)ls->userData; | |
1519 | struct object *o; | |
1520 | int len; | |
1521 | char *ref_info; | |
1522 | struct ref *ref; | |
1523 | ||
1524 | ref = alloc_ref(ls->dentry_name); | |
1525 | ||
1526 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1527 | fprintf(stderr, | |
1528 | "Unable to fetch ref %s from %s\n", | |
1529 | ls->dentry_name, repo->url); | |
1530 | aborted = 1; | |
1531 | free(ref); | |
1532 | return; | |
1533 | } | |
1534 | ||
1535 | o = parse_object(ref->old_sha1); | |
1536 | if (!o) { | |
1537 | fprintf(stderr, | |
1538 | "Unable to parse object %s for remote ref %s\n", | |
1539 | sha1_to_hex(ref->old_sha1), ls->dentry_name); | |
1540 | aborted = 1; | |
1541 | free(ref); | |
1542 | return; | |
1543 | } | |
1544 | ||
1545 | len = strlen(ls->dentry_name) + 42; | |
1546 | ref_info = xcalloc(len + 1, 1); | |
1547 | sprintf(ref_info, "%s %s\n", | |
1548 | sha1_to_hex(ref->old_sha1), ls->dentry_name); | |
1549 | fwrite_buffer(ref_info, 1, len, buf); | |
1550 | free(ref_info); | |
1551 | ||
1552 | if (o->type == OBJ_TAG) { | |
1553 | o = deref_tag(o, ls->dentry_name, 0); | |
1554 | if (o) { | |
1555 | len = strlen(ls->dentry_name) + 45; | |
1556 | ref_info = xcalloc(len + 1, 1); | |
1557 | sprintf(ref_info, "%s %s^{}\n", | |
1558 | sha1_to_hex(o->sha1), ls->dentry_name); | |
1559 | fwrite_buffer(ref_info, 1, len, buf); | |
1560 | free(ref_info); | |
1561 | } | |
1562 | } | |
1563 | free(ref); | |
1564 | } | |
1565 | ||
1566 | static void update_remote_info_refs(struct remote_lock *lock) | |
1567 | { | |
1568 | struct buffer buffer = { STRBUF_INIT, 0 }; | |
1569 | struct active_request_slot *slot; | |
1570 | struct slot_results results; | |
1571 | struct curl_slist *dav_headers; | |
1572 | ||
1573 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
1574 | add_remote_info_ref, &buffer.buf); | |
1575 | if (!aborted) { | |
1576 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1577 | ||
1578 | slot = get_active_slot(); | |
1579 | slot->results = &results; | |
1580 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer); | |
1581 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len); | |
1582 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1583 | #ifndef NO_CURL_IOCTL | |
1584 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
1585 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &buffer); | |
1586 | #endif | |
1587 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1588 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1589 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1590 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1591 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
1592 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
1593 | ||
1594 | if (start_active_slot(slot)) { | |
1595 | run_active_slot(slot); | |
1596 | if (results.curl_result != CURLE_OK) { | |
1597 | fprintf(stderr, | |
1598 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1599 | results.curl_result, results.http_code); | |
1600 | } | |
1601 | } | |
1602 | } | |
1603 | strbuf_release(&buffer.buf); | |
1604 | } | |
1605 | ||
1606 | static int remote_exists(const char *path) | |
1607 | { | |
1608 | char *url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
1609 | int ret; | |
1610 | ||
1611 | sprintf(url, "%s%s", repo->url, path); | |
1612 | ||
1613 | switch (http_get_strbuf(url, NULL, 0)) { | |
1614 | case HTTP_OK: | |
1615 | ret = 1; | |
1616 | break; | |
1617 | case HTTP_MISSING_TARGET: | |
1618 | ret = 0; | |
1619 | break; | |
1620 | case HTTP_ERROR: | |
1621 | http_error(url, HTTP_ERROR); | |
1622 | default: | |
1623 | ret = -1; | |
1624 | } | |
1625 | free(url); | |
1626 | return ret; | |
1627 | } | |
1628 | ||
1629 | static void fetch_symref(const char *path, char **symref, unsigned char *sha1) | |
1630 | { | |
1631 | char *url; | |
1632 | struct strbuf buffer = STRBUF_INIT; | |
1633 | ||
1634 | url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
1635 | sprintf(url, "%s%s", repo->url, path); | |
1636 | ||
1637 | if (http_get_strbuf(url, &buffer, 0) != HTTP_OK) | |
1638 | die("Couldn't get %s for remote symref\n%s", url, | |
1639 | curl_errorstr); | |
1640 | free(url); | |
1641 | ||
1642 | free(*symref); | |
1643 | *symref = NULL; | |
1644 | hashclr(sha1); | |
1645 | ||
1646 | if (buffer.len == 0) | |
1647 | return; | |
1648 | ||
1649 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
1650 | if (!prefixcmp((char *)buffer.buf, "ref: ")) { | |
1651 | *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6); | |
1652 | } else { | |
1653 | get_sha1_hex(buffer.buf, sha1); | |
1654 | } | |
1655 | ||
1656 | strbuf_release(&buffer); | |
1657 | } | |
1658 | ||
1659 | static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1) | |
1660 | { | |
1661 | struct commit *head = lookup_commit(head_sha1); | |
1662 | struct commit *branch = lookup_commit(branch_sha1); | |
1663 | struct commit_list *merge_bases = get_merge_bases(head, branch, 1); | |
1664 | ||
1665 | return (merge_bases && !merge_bases->next && merge_bases->item == branch); | |
1666 | } | |
1667 | ||
1668 | static int delete_remote_branch(char *pattern, int force) | |
1669 | { | |
1670 | struct ref *refs = remote_refs; | |
1671 | struct ref *remote_ref = NULL; | |
1672 | unsigned char head_sha1[20]; | |
1673 | char *symref = NULL; | |
1674 | int match; | |
1675 | int patlen = strlen(pattern); | |
1676 | int i; | |
1677 | struct active_request_slot *slot; | |
1678 | struct slot_results results; | |
1679 | char *url; | |
1680 | ||
1681 | /* Find the remote branch(es) matching the specified branch name */ | |
1682 | for (match = 0; refs; refs = refs->next) { | |
1683 | char *name = refs->name; | |
1684 | int namelen = strlen(name); | |
1685 | if (namelen < patlen || | |
1686 | memcmp(name + namelen - patlen, pattern, patlen)) | |
1687 | continue; | |
1688 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
1689 | continue; | |
1690 | match++; | |
1691 | remote_ref = refs; | |
1692 | } | |
1693 | if (match == 0) | |
1694 | return error("No remote branch matches %s", pattern); | |
1695 | if (match != 1) | |
1696 | return error("More than one remote branch matches %s", | |
1697 | pattern); | |
1698 | ||
1699 | /* | |
1700 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
1701 | * symlink to a symref will look like a symref) | |
1702 | */ | |
1703 | fetch_symref("HEAD", &symref, head_sha1); | |
1704 | if (!symref) | |
1705 | return error("Remote HEAD is not a symref"); | |
1706 | ||
1707 | /* Remote branch must not be the remote HEAD */ | |
1708 | for (i=0; symref && i<MAXDEPTH; i++) { | |
1709 | if (!strcmp(remote_ref->name, symref)) | |
1710 | return error("Remote branch %s is the current HEAD", | |
1711 | remote_ref->name); | |
1712 | fetch_symref(symref, &symref, head_sha1); | |
1713 | } | |
1714 | ||
1715 | /* Run extra sanity checks if delete is not forced */ | |
1716 | if (!force) { | |
1717 | /* Remote HEAD must resolve to a known object */ | |
1718 | if (symref) | |
1719 | return error("Remote HEAD symrefs too deep"); | |
1720 | if (is_null_sha1(head_sha1)) | |
1721 | return error("Unable to resolve remote HEAD"); | |
1722 | if (!has_sha1_file(head_sha1)) | |
1723 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1)); | |
1724 | ||
1725 | /* Remote branch must resolve to a known object */ | |
1726 | if (is_null_sha1(remote_ref->old_sha1)) | |
1727 | return error("Unable to resolve remote branch %s", | |
1728 | remote_ref->name); | |
1729 | if (!has_sha1_file(remote_ref->old_sha1)) | |
1730 | return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1)); | |
1731 | ||
1732 | /* Remote branch must be an ancestor of remote HEAD */ | |
1733 | if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) { | |
1734 | return error("The branch '%s' is not an ancestor " | |
1735 | "of your current HEAD.\n" | |
1736 | "If you are sure you want to delete it," | |
1737 | " run:\n\t'git http-push -D %s %s'", | |
1738 | remote_ref->name, repo->url, pattern); | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | /* Send delete request */ | |
1743 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
1744 | if (dry_run) | |
1745 | return 0; | |
1746 | url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1); | |
1747 | sprintf(url, "%s%s", repo->url, remote_ref->name); | |
1748 | slot = get_active_slot(); | |
1749 | slot->results = &results; | |
1750 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
1751 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1752 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1753 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE); | |
1754 | if (start_active_slot(slot)) { | |
1755 | run_active_slot(slot); | |
1756 | free(url); | |
1757 | if (results.curl_result != CURLE_OK) | |
1758 | return error("DELETE request failed (%d/%ld)\n", | |
1759 | results.curl_result, results.http_code); | |
1760 | } else { | |
1761 | free(url); | |
1762 | return error("Unable to start DELETE request"); | |
1763 | } | |
1764 | ||
1765 | return 0; | |
1766 | } | |
1767 | ||
1768 | static void run_request_queue(void) | |
1769 | { | |
1770 | #ifdef USE_CURL_MULTI | |
1771 | is_running_queue = 1; | |
1772 | fill_active_slots(); | |
1773 | add_fill_function(NULL, fill_active_slot); | |
1774 | #endif | |
1775 | do { | |
1776 | finish_all_active_slots(); | |
1777 | #ifdef USE_CURL_MULTI | |
1778 | fill_active_slots(); | |
1779 | #endif | |
1780 | } while (request_queue_head && !aborted); | |
1781 | ||
1782 | #ifdef USE_CURL_MULTI | |
1783 | is_running_queue = 0; | |
1784 | #endif | |
1785 | } | |
1786 | ||
1787 | int main(int argc, char **argv) | |
1788 | { | |
1789 | struct transfer_request *request; | |
1790 | struct transfer_request *next_request; | |
1791 | int nr_refspec = 0; | |
1792 | char **refspec = NULL; | |
1793 | struct remote_lock *ref_lock = NULL; | |
1794 | struct remote_lock *info_ref_lock = NULL; | |
1795 | struct rev_info revs; | |
1796 | int delete_branch = 0; | |
1797 | int force_delete = 0; | |
1798 | int objects_to_send; | |
1799 | int rc = 0; | |
1800 | int i; | |
1801 | int new_refs; | |
1802 | struct ref *ref, *local_refs; | |
1803 | struct remote *remote; | |
1804 | ||
1805 | git_extract_argv0_path(argv[0]); | |
1806 | ||
1807 | repo = xcalloc(sizeof(*repo), 1); | |
1808 | ||
1809 | argv++; | |
1810 | for (i = 1; i < argc; i++, argv++) { | |
1811 | char *arg = *argv; | |
1812 | ||
1813 | if (*arg == '-') { | |
1814 | if (!strcmp(arg, "--all")) { | |
1815 | push_all = MATCH_REFS_ALL; | |
1816 | continue; | |
1817 | } | |
1818 | if (!strcmp(arg, "--force")) { | |
1819 | force_all = 1; | |
1820 | continue; | |
1821 | } | |
1822 | if (!strcmp(arg, "--dry-run")) { | |
1823 | dry_run = 1; | |
1824 | continue; | |
1825 | } | |
1826 | if (!strcmp(arg, "--helper-status")) { | |
1827 | helper_status = 1; | |
1828 | continue; | |
1829 | } | |
1830 | if (!strcmp(arg, "--verbose")) { | |
1831 | push_verbosely = 1; | |
1832 | http_is_verbose = 1; | |
1833 | continue; | |
1834 | } | |
1835 | if (!strcmp(arg, "-d")) { | |
1836 | delete_branch = 1; | |
1837 | continue; | |
1838 | } | |
1839 | if (!strcmp(arg, "-D")) { | |
1840 | delete_branch = 1; | |
1841 | force_delete = 1; | |
1842 | continue; | |
1843 | } | |
1844 | if (!strcmp(arg, "-h")) | |
1845 | usage(http_push_usage); | |
1846 | } | |
1847 | if (!repo->url) { | |
1848 | char *path = strstr(arg, "//"); | |
1849 | str_end_url_with_slash(arg, &repo->url); | |
1850 | repo->path_len = strlen(repo->url); | |
1851 | if (path) { | |
1852 | repo->path = strchr(path+2, '/'); | |
1853 | if (repo->path) | |
1854 | repo->path_len = strlen(repo->path); | |
1855 | } | |
1856 | continue; | |
1857 | } | |
1858 | refspec = argv; | |
1859 | nr_refspec = argc - i; | |
1860 | break; | |
1861 | } | |
1862 | ||
1863 | #ifndef USE_CURL_MULTI | |
1864 | die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI"); | |
1865 | #endif | |
1866 | ||
1867 | if (!repo->url) | |
1868 | usage(http_push_usage); | |
1869 | ||
1870 | if (delete_branch && nr_refspec != 1) | |
1871 | die("You must specify only one branch name when deleting a remote branch"); | |
1872 | ||
1873 | setup_git_directory(); | |
1874 | ||
1875 | memset(remote_dir_exists, -1, 256); | |
1876 | ||
1877 | /* | |
1878 | * Create a minimum remote by hand to give to http_init(), | |
1879 | * primarily to allow it to look at the URL. | |
1880 | */ | |
1881 | remote = xcalloc(sizeof(*remote), 1); | |
1882 | ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc); | |
1883 | remote->url[remote->url_nr++] = repo->url; | |
1884 | http_init(remote); | |
1885 | ||
1886 | #ifdef USE_CURL_MULTI | |
1887 | is_running_queue = 0; | |
1888 | #endif | |
1889 | ||
1890 | /* Verify DAV compliance/lock support */ | |
1891 | if (!locking_available()) { | |
1892 | rc = 1; | |
1893 | goto cleanup; | |
1894 | } | |
1895 | ||
1896 | sigchain_push_common(remove_locks_on_signal); | |
1897 | ||
1898 | /* Check whether the remote has server info files */ | |
1899 | repo->can_update_info_refs = 0; | |
1900 | repo->has_info_refs = remote_exists("info/refs"); | |
1901 | repo->has_info_packs = remote_exists("objects/info/packs"); | |
1902 | if (repo->has_info_refs) { | |
1903 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
1904 | if (info_ref_lock) | |
1905 | repo->can_update_info_refs = 1; | |
1906 | else { | |
1907 | error("cannot lock existing info/refs"); | |
1908 | rc = 1; | |
1909 | goto cleanup; | |
1910 | } | |
1911 | } | |
1912 | if (repo->has_info_packs) | |
1913 | fetch_indices(); | |
1914 | ||
1915 | /* Get a list of all local and remote heads to validate refspecs */ | |
1916 | local_refs = get_local_heads(); | |
1917 | fprintf(stderr, "Fetching remote heads...\n"); | |
1918 | get_dav_remote_heads(); | |
1919 | run_request_queue(); | |
1920 | ||
1921 | /* Remove a remote branch if -d or -D was specified */ | |
1922 | if (delete_branch) { | |
1923 | if (delete_remote_branch(refspec[0], force_delete) == -1) { | |
1924 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
1925 | refspec[0]); | |
1926 | if (helper_status) | |
1927 | printf("error %s cannot remove\n", refspec[0]); | |
1928 | } | |
1929 | goto cleanup; | |
1930 | } | |
1931 | ||
1932 | /* match them up */ | |
1933 | if (match_refs(local_refs, &remote_refs, | |
1934 | nr_refspec, (const char **) refspec, push_all)) { | |
1935 | rc = -1; | |
1936 | goto cleanup; | |
1937 | } | |
1938 | if (!remote_refs) { | |
1939 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1940 | if (helper_status) | |
1941 | printf("error null no match\n"); | |
1942 | rc = 0; | |
1943 | goto cleanup; | |
1944 | } | |
1945 | ||
1946 | new_refs = 0; | |
1947 | for (ref = remote_refs; ref; ref = ref->next) { | |
1948 | char old_hex[60], *new_hex; | |
1949 | const char *commit_argv[5]; | |
1950 | int commit_argc; | |
1951 | char *new_sha1_hex, *old_sha1_hex; | |
1952 | ||
1953 | if (!ref->peer_ref) | |
1954 | continue; | |
1955 | ||
1956 | if (is_null_sha1(ref->peer_ref->new_sha1)) { | |
1957 | if (delete_remote_branch(ref->name, 1) == -1) { | |
1958 | error("Could not remove %s", ref->name); | |
1959 | if (helper_status) | |
1960 | printf("error %s cannot remove\n", ref->name); | |
1961 | rc = -4; | |
1962 | } | |
1963 | else if (helper_status) | |
1964 | printf("ok %s\n", ref->name); | |
1965 | new_refs++; | |
1966 | continue; | |
1967 | } | |
1968 | ||
1969 | if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) { | |
1970 | if (push_verbosely) | |
1971 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1972 | if (helper_status) | |
1973 | printf("ok %s up to date\n", ref->name); | |
1974 | continue; | |
1975 | } | |
1976 | ||
1977 | if (!force_all && | |
1978 | !is_null_sha1(ref->old_sha1) && | |
1979 | !ref->force) { | |
1980 | if (!has_sha1_file(ref->old_sha1) || | |
1981 | !ref_newer(ref->peer_ref->new_sha1, | |
1982 | ref->old_sha1)) { | |
1983 | /* | |
1984 | * We do not have the remote ref, or | |
1985 | * we know that the remote ref is not | |
1986 | * an ancestor of what we are trying to | |
1987 | * push. Either way this can be losing | |
1988 | * commits at the remote end and likely | |
1989 | * we were not up to date to begin with. | |
1990 | */ | |
1991 | error("remote '%s' is not an ancestor of\n" | |
1992 | "local '%s'.\n" | |
1993 | "Maybe you are not up-to-date and " | |
1994 | "need to pull first?", | |
1995 | ref->name, | |
1996 | ref->peer_ref->name); | |
1997 | if (helper_status) | |
1998 | printf("error %s non-fast forward\n", ref->name); | |
1999 | rc = -2; | |
2000 | continue; | |
2001 | } | |
2002 | } | |
2003 | hashcpy(ref->new_sha1, ref->peer_ref->new_sha1); | |
2004 | new_refs++; | |
2005 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
2006 | new_hex = sha1_to_hex(ref->new_sha1); | |
2007 | ||
2008 | fprintf(stderr, "updating '%s'", ref->name); | |
2009 | if (strcmp(ref->name, ref->peer_ref->name)) | |
2010 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
2011 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
2012 | if (dry_run) { | |
2013 | if (helper_status) | |
2014 | printf("ok %s\n", ref->name); | |
2015 | continue; | |
2016 | } | |
2017 | ||
2018 | /* Lock remote branch ref */ | |
2019 | ref_lock = lock_remote(ref->name, LOCK_TIME); | |
2020 | if (ref_lock == NULL) { | |
2021 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
2022 | ref->name); | |
2023 | if (helper_status) | |
2024 | printf("error %s lock error\n", ref->name); | |
2025 | rc = 1; | |
2026 | continue; | |
2027 | } | |
2028 | ||
2029 | /* Set up revision info for this refspec */ | |
2030 | commit_argc = 3; | |
2031 | new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1)); | |
2032 | old_sha1_hex = NULL; | |
2033 | commit_argv[1] = "--objects"; | |
2034 | commit_argv[2] = new_sha1_hex; | |
2035 | if (!push_all && !is_null_sha1(ref->old_sha1)) { | |
2036 | old_sha1_hex = xmalloc(42); | |
2037 | sprintf(old_sha1_hex, "^%s", | |
2038 | sha1_to_hex(ref->old_sha1)); | |
2039 | commit_argv[3] = old_sha1_hex; | |
2040 | commit_argc++; | |
2041 | } | |
2042 | commit_argv[commit_argc] = NULL; | |
2043 | init_revisions(&revs, setup_git_directory()); | |
2044 | setup_revisions(commit_argc, commit_argv, &revs, NULL); | |
2045 | revs.edge_hint = 0; /* just in case */ | |
2046 | free(new_sha1_hex); | |
2047 | if (old_sha1_hex) { | |
2048 | free(old_sha1_hex); | |
2049 | commit_argv[1] = NULL; | |
2050 | } | |
2051 | ||
2052 | /* Generate a list of objects that need to be pushed */ | |
2053 | pushing = 0; | |
2054 | if (prepare_revision_walk(&revs)) | |
2055 | die("revision walk setup failed"); | |
2056 | mark_edges_uninteresting(revs.commits, &revs, NULL); | |
2057 | objects_to_send = get_delta(&revs, ref_lock); | |
2058 | finish_all_active_slots(); | |
2059 | ||
2060 | /* Push missing objects to remote, this would be a | |
2061 | convenient time to pack them first if appropriate. */ | |
2062 | pushing = 1; | |
2063 | if (objects_to_send) | |
2064 | fprintf(stderr, " sending %d objects\n", | |
2065 | objects_to_send); | |
2066 | ||
2067 | run_request_queue(); | |
2068 | ||
2069 | /* Update the remote branch if all went well */ | |
2070 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) | |
2071 | rc = 1; | |
2072 | ||
2073 | if (!rc) | |
2074 | fprintf(stderr, " done\n"); | |
2075 | if (helper_status) | |
2076 | printf("%s %s\n", !rc ? "ok" : "error", ref->name); | |
2077 | unlock_remote(ref_lock); | |
2078 | check_locks(); | |
2079 | } | |
2080 | ||
2081 | /* Update remote server info if appropriate */ | |
2082 | if (repo->has_info_refs && new_refs) { | |
2083 | if (info_ref_lock && repo->can_update_info_refs) { | |
2084 | fprintf(stderr, "Updating remote server info\n"); | |
2085 | if (!dry_run) | |
2086 | update_remote_info_refs(info_ref_lock); | |
2087 | } else { | |
2088 | fprintf(stderr, "Unable to update server info\n"); | |
2089 | } | |
2090 | } | |
2091 | ||
2092 | cleanup: | |
2093 | if (info_ref_lock) | |
2094 | unlock_remote(info_ref_lock); | |
2095 | free(repo); | |
2096 | ||
2097 | http_cleanup(); | |
2098 | ||
2099 | request = request_queue_head; | |
2100 | while (request != NULL) { | |
2101 | next_request = request->next; | |
2102 | release_request(request); | |
2103 | request = next_request; | |
2104 | } | |
2105 | ||
2106 | return rc; | |
2107 | } |