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Commit | Line | Data |
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58e60dd2 NH |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | #include "pack.h" | |
4 | #include "fetch.h" | |
5 | #include "tag.h" | |
6 | #include "blob.h" | |
29508e1e | 7 | #include "http.h" |
aa1dbc98 NH |
8 | #include "refs.h" |
9 | #include "revision.h" | |
3dfaf7bc | 10 | #include "exec_cmd.h" |
29508e1e | 11 | |
bee8e79d | 12 | #include <expat.h> |
58e60dd2 NH |
13 | |
14 | static const char http_push_usage[] = | |
1a703cba | 15 | "git-http-push [--all] [--force] [--verbose] <remote> [<head>...]\n"; |
58e60dd2 | 16 | |
92e2eb9c JS |
17 | #ifndef XML_STATUS_OK |
18 | enum XML_Status { | |
19 | XML_STATUS_OK = 1, | |
20 | XML_STATUS_ERROR = 0 | |
21 | }; | |
22 | #define XML_STATUS_OK 1 | |
23 | #define XML_STATUS_ERROR 0 | |
24 | #endif | |
25 | ||
197e8951 | 26 | #define PREV_BUF_SIZE 4096 |
58e60dd2 NH |
27 | #define RANGE_HEADER_SIZE 30 |
28 | ||
acf59575 | 29 | /* DAV methods */ |
58e60dd2 NH |
30 | #define DAV_LOCK "LOCK" |
31 | #define DAV_MKCOL "MKCOL" | |
32 | #define DAV_MOVE "MOVE" | |
33 | #define DAV_PROPFIND "PROPFIND" | |
34 | #define DAV_PUT "PUT" | |
35 | #define DAV_UNLOCK "UNLOCK" | |
3dfaf7bc | 36 | #define DAV_DELETE "DELETE" |
acf59575 NH |
37 | |
38 | /* DAV lock flags */ | |
39 | #define DAV_PROP_LOCKWR (1u << 0) | |
40 | #define DAV_PROP_LOCKEX (1u << 1) | |
41 | #define DAV_LOCK_OK (1u << 2) | |
42 | ||
43 | /* DAV XML properties */ | |
44 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
45 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
46 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
47 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
48 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
49 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
aa1dbc98 NH |
50 | #define DAV_PROPFIND_RESP ".multistatus.response" |
51 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
52 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
acf59575 NH |
53 | |
54 | /* DAV request body templates */ | |
aa1dbc98 NH |
55 | #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>" |
56 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
58e60dd2 NH |
57 | #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>" |
58 | ||
75187c9d NH |
59 | #define LOCK_TIME 600 |
60 | #define LOCK_REFRESH 30 | |
61 | ||
aa1dbc98 NH |
62 | /* bits #0-4 in revision.h */ |
63 | ||
197e8951 NH |
64 | #define LOCAL (1u << 5) |
65 | #define REMOTE (1u << 6) | |
66 | #define FETCHING (1u << 7) | |
67 | #define PUSHING (1u << 8) | |
aa1dbc98 | 68 | |
3dfaf7bc NH |
69 | /* We allow "recursive" symbolic refs. Only within reason, though */ |
70 | #define MAXDEPTH 5 | |
71 | ||
58e60dd2 NH |
72 | static int pushing = 0; |
73 | static int aborted = 0; | |
a3c57c9a | 74 | static signed char remote_dir_exists[256]; |
58e60dd2 | 75 | |
58e60dd2 NH |
76 | static struct curl_slist *no_pragma_header; |
77 | static struct curl_slist *default_headers; | |
58e60dd2 NH |
78 | |
79 | static int push_verbosely = 0; | |
80 | static int push_all = 0; | |
81 | static int force_all = 0; | |
82 | ||
aa1dbc98 NH |
83 | static struct object_list *objects = NULL; |
84 | ||
58e60dd2 NH |
85 | struct repo |
86 | { | |
87 | char *url; | |
aa1dbc98 | 88 | int path_len; |
197e8951 NH |
89 | int has_info_refs; |
90 | int can_update_info_refs; | |
91 | int has_info_packs; | |
58e60dd2 | 92 | struct packed_git *packs; |
512d632c | 93 | struct remote_lock *locks; |
58e60dd2 NH |
94 | }; |
95 | ||
96 | static struct repo *remote = NULL; | |
97 | ||
98 | enum transfer_state { | |
197e8951 NH |
99 | NEED_FETCH, |
100 | RUN_FETCH_LOOSE, | |
101 | RUN_FETCH_PACKED, | |
58e60dd2 NH |
102 | NEED_PUSH, |
103 | RUN_MKCOL, | |
104 | RUN_PUT, | |
105 | RUN_MOVE, | |
106 | ABORTED, | |
107 | COMPLETE, | |
108 | }; | |
109 | ||
110 | struct transfer_request | |
111 | { | |
aa1dbc98 | 112 | struct object *obj; |
58e60dd2 NH |
113 | char *url; |
114 | char *dest; | |
aa1dbc98 | 115 | struct remote_lock *lock; |
58e60dd2 NH |
116 | struct curl_slist *headers; |
117 | struct buffer buffer; | |
118 | char filename[PATH_MAX]; | |
119 | char tmpfile[PATH_MAX]; | |
197e8951 NH |
120 | int local_fileno; |
121 | FILE *local_stream; | |
58e60dd2 NH |
122 | enum transfer_state state; |
123 | CURLcode curl_result; | |
124 | char errorstr[CURL_ERROR_SIZE]; | |
125 | long http_code; | |
126 | unsigned char real_sha1[20]; | |
127 | SHA_CTX c; | |
128 | z_stream stream; | |
129 | int zret; | |
130 | int rename; | |
197e8951 | 131 | void *userData; |
58e60dd2 NH |
132 | struct active_request_slot *slot; |
133 | struct transfer_request *next; | |
134 | }; | |
135 | ||
58e60dd2 | 136 | static struct transfer_request *request_queue_head = NULL; |
58e60dd2 | 137 | |
acf59575 NH |
138 | struct xml_ctx |
139 | { | |
140 | char *name; | |
141 | int len; | |
142 | char *cdata; | |
143 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
144 | void *userData; | |
145 | }; | |
146 | ||
aa1dbc98 | 147 | struct remote_lock |
26349b2e | 148 | { |
75187c9d | 149 | char *url; |
26349b2e | 150 | char *owner; |
75187c9d | 151 | char *token; |
26349b2e NH |
152 | time_t start_time; |
153 | long timeout; | |
75187c9d | 154 | int refreshing; |
aa1dbc98 NH |
155 | struct remote_lock *next; |
156 | }; | |
157 | ||
3030baa7 NH |
158 | /* Flags that control remote_ls processing */ |
159 | #define PROCESS_FILES (1u << 0) | |
160 | #define PROCESS_DIRS (1u << 1) | |
161 | #define RECURSIVE (1u << 2) | |
162 | ||
163 | /* Flags that remote_ls passes to callback functions */ | |
164 | #define IS_DIR (1u << 0) | |
165 | ||
166 | struct remote_ls_ctx | |
aa1dbc98 | 167 | { |
3030baa7 NH |
168 | char *path; |
169 | void (*userFunc)(struct remote_ls_ctx *ls); | |
170 | void *userData; | |
171 | int flags; | |
172 | char *dentry_name; | |
173 | int dentry_flags; | |
174 | struct remote_ls_ctx *parent; | |
26349b2e NH |
175 | }; |
176 | ||
29508e1e | 177 | static void finish_request(struct transfer_request *request); |
197e8951 | 178 | static void release_request(struct transfer_request *request); |
58e60dd2 | 179 | |
29508e1e | 180 | static void process_response(void *callback_data) |
58e60dd2 | 181 | { |
29508e1e NH |
182 | struct transfer_request *request = |
183 | (struct transfer_request *)callback_data; | |
58e60dd2 | 184 | |
29508e1e | 185 | finish_request(request); |
58e60dd2 NH |
186 | } |
187 | ||
197e8951 NH |
188 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
189 | void *data) | |
190 | { | |
191 | unsigned char expn[4096]; | |
192 | size_t size = eltsize * nmemb; | |
193 | int posn = 0; | |
194 | struct transfer_request *request = (struct transfer_request *)data; | |
195 | do { | |
196 | ssize_t retval = write(request->local_fileno, | |
197 | ptr + posn, size - posn); | |
198 | if (retval < 0) | |
199 | return posn; | |
200 | posn += retval; | |
201 | } while (posn < size); | |
202 | ||
203 | request->stream.avail_in = size; | |
204 | request->stream.next_in = ptr; | |
205 | do { | |
206 | request->stream.next_out = expn; | |
207 | request->stream.avail_out = sizeof(expn); | |
208 | request->zret = inflate(&request->stream, Z_SYNC_FLUSH); | |
209 | SHA1_Update(&request->c, expn, | |
210 | sizeof(expn) - request->stream.avail_out); | |
211 | } while (request->stream.avail_in && request->zret == Z_OK); | |
212 | data_received++; | |
213 | return size; | |
214 | } | |
215 | ||
216 | static void start_fetch_loose(struct transfer_request *request) | |
217 | { | |
218 | char *hex = sha1_to_hex(request->obj->sha1); | |
219 | char *filename; | |
220 | char prevfile[PATH_MAX]; | |
221 | char *url; | |
222 | char *posn; | |
223 | int prevlocal; | |
224 | unsigned char prev_buf[PREV_BUF_SIZE]; | |
225 | ssize_t prev_read = 0; | |
226 | long prev_posn = 0; | |
227 | char range[RANGE_HEADER_SIZE]; | |
228 | struct curl_slist *range_header = NULL; | |
229 | struct active_request_slot *slot; | |
230 | ||
231 | filename = sha1_file_name(request->obj->sha1); | |
232 | snprintf(request->filename, sizeof(request->filename), "%s", filename); | |
233 | snprintf(request->tmpfile, sizeof(request->tmpfile), | |
234 | "%s.temp", filename); | |
235 | ||
236 | snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename); | |
237 | unlink(prevfile); | |
238 | rename(request->tmpfile, prevfile); | |
239 | unlink(request->tmpfile); | |
240 | ||
241 | if (request->local_fileno != -1) | |
242 | error("fd leakage in start: %d", request->local_fileno); | |
243 | request->local_fileno = open(request->tmpfile, | |
244 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
245 | /* This could have failed due to the "lazy directory creation"; | |
246 | * try to mkdir the last path component. | |
247 | */ | |
248 | if (request->local_fileno < 0 && errno == ENOENT) { | |
249 | char *dir = strrchr(request->tmpfile, '/'); | |
250 | if (dir) { | |
251 | *dir = 0; | |
252 | mkdir(request->tmpfile, 0777); | |
253 | *dir = '/'; | |
254 | } | |
255 | request->local_fileno = open(request->tmpfile, | |
256 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
257 | } | |
258 | ||
259 | if (request->local_fileno < 0) { | |
260 | request->state = ABORTED; | |
261 | error("Couldn't create temporary file %s for %s: %s", | |
262 | request->tmpfile, request->filename, strerror(errno)); | |
263 | return; | |
264 | } | |
265 | ||
266 | memset(&request->stream, 0, sizeof(request->stream)); | |
267 | ||
268 | inflateInit(&request->stream); | |
269 | ||
270 | SHA1_Init(&request->c); | |
271 | ||
272 | url = xmalloc(strlen(remote->url) + 50); | |
273 | request->url = xmalloc(strlen(remote->url) + 50); | |
274 | strcpy(url, remote->url); | |
275 | posn = url + strlen(remote->url); | |
276 | strcpy(posn, "objects/"); | |
277 | posn += 8; | |
278 | memcpy(posn, hex, 2); | |
279 | posn += 2; | |
280 | *(posn++) = '/'; | |
281 | strcpy(posn, hex + 2); | |
282 | strcpy(request->url, url); | |
283 | ||
284 | /* If a previous temp file is present, process what was already | |
285 | fetched. */ | |
286 | prevlocal = open(prevfile, O_RDONLY); | |
287 | if (prevlocal != -1) { | |
288 | do { | |
289 | prev_read = read(prevlocal, prev_buf, PREV_BUF_SIZE); | |
290 | if (prev_read>0) { | |
291 | if (fwrite_sha1_file(prev_buf, | |
292 | 1, | |
293 | prev_read, | |
294 | request) == prev_read) { | |
295 | prev_posn += prev_read; | |
296 | } else { | |
297 | prev_read = -1; | |
298 | } | |
299 | } | |
300 | } while (prev_read > 0); | |
301 | close(prevlocal); | |
302 | } | |
303 | unlink(prevfile); | |
304 | ||
305 | /* Reset inflate/SHA1 if there was an error reading the previous temp | |
306 | file; also rewind to the beginning of the local file. */ | |
307 | if (prev_read == -1) { | |
308 | memset(&request->stream, 0, sizeof(request->stream)); | |
309 | inflateInit(&request->stream); | |
310 | SHA1_Init(&request->c); | |
311 | if (prev_posn>0) { | |
312 | prev_posn = 0; | |
313 | lseek(request->local_fileno, SEEK_SET, 0); | |
314 | ftruncate(request->local_fileno, 0); | |
315 | } | |
316 | } | |
317 | ||
318 | slot = get_active_slot(); | |
319 | slot->callback_func = process_response; | |
320 | slot->callback_data = request; | |
321 | request->slot = slot; | |
322 | ||
323 | curl_easy_setopt(slot->curl, CURLOPT_FILE, request); | |
324 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); | |
325 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
326 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
327 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
328 | ||
329 | /* If we have successfully processed data from a previous fetch | |
330 | attempt, only fetch the data we don't already have. */ | |
331 | if (prev_posn>0) { | |
332 | if (push_verbosely) | |
333 | fprintf(stderr, | |
334 | "Resuming fetch of object %s at byte %ld\n", | |
335 | hex, prev_posn); | |
336 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
337 | range_header = curl_slist_append(range_header, range); | |
338 | curl_easy_setopt(slot->curl, | |
339 | CURLOPT_HTTPHEADER, range_header); | |
340 | } | |
341 | ||
342 | /* Try to get the request started, abort the request on error */ | |
343 | request->state = RUN_FETCH_LOOSE; | |
344 | if (!start_active_slot(slot)) { | |
345 | fprintf(stderr, "Unable to start GET request\n"); | |
346 | remote->can_update_info_refs = 0; | |
347 | release_request(request); | |
348 | } | |
349 | } | |
350 | ||
351 | static void start_fetch_packed(struct transfer_request *request) | |
352 | { | |
353 | char *url; | |
354 | struct packed_git *target; | |
355 | FILE *packfile; | |
356 | char *filename; | |
357 | long prev_posn = 0; | |
358 | char range[RANGE_HEADER_SIZE]; | |
359 | struct curl_slist *range_header = NULL; | |
360 | ||
361 | struct transfer_request *check_request = request_queue_head; | |
362 | struct active_request_slot *slot; | |
363 | ||
364 | target = find_sha1_pack(request->obj->sha1, remote->packs); | |
365 | if (!target) { | |
366 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1)); | |
367 | remote->can_update_info_refs = 0; | |
368 | release_request(request); | |
369 | return; | |
370 | } | |
371 | ||
372 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
373 | fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1)); | |
374 | ||
375 | filename = sha1_pack_name(target->sha1); | |
376 | snprintf(request->filename, sizeof(request->filename), "%s", filename); | |
377 | snprintf(request->tmpfile, sizeof(request->tmpfile), | |
378 | "%s.temp", filename); | |
379 | ||
380 | url = xmalloc(strlen(remote->url) + 64); | |
381 | sprintf(url, "%sobjects/pack/pack-%s.pack", | |
382 | remote->url, sha1_to_hex(target->sha1)); | |
383 | ||
384 | /* Make sure there isn't another open request for this pack */ | |
385 | while (check_request) { | |
386 | if (check_request->state == RUN_FETCH_PACKED && | |
387 | !strcmp(check_request->url, url)) { | |
388 | free(url); | |
389 | release_request(request); | |
390 | return; | |
391 | } | |
392 | check_request = check_request->next; | |
393 | } | |
394 | ||
395 | packfile = fopen(request->tmpfile, "a"); | |
396 | if (!packfile) { | |
397 | fprintf(stderr, "Unable to open local file %s for pack", | |
398 | filename); | |
399 | remote->can_update_info_refs = 0; | |
400 | free(url); | |
401 | return; | |
402 | } | |
403 | ||
404 | slot = get_active_slot(); | |
405 | slot->callback_func = process_response; | |
406 | slot->callback_data = request; | |
407 | request->slot = slot; | |
408 | request->local_stream = packfile; | |
409 | request->userData = target; | |
410 | ||
411 | request->url = url; | |
412 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); | |
413 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
414 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
415 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
416 | slot->local = packfile; | |
417 | ||
418 | /* If there is data present from a previous transfer attempt, | |
419 | resume where it left off */ | |
420 | prev_posn = ftell(packfile); | |
421 | if (prev_posn>0) { | |
422 | if (push_verbosely) | |
423 | fprintf(stderr, | |
424 | "Resuming fetch of pack %s at byte %ld\n", | |
425 | sha1_to_hex(target->sha1), prev_posn); | |
426 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
427 | range_header = curl_slist_append(range_header, range); | |
428 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
429 | } | |
430 | ||
431 | /* Try to get the request started, abort the request on error */ | |
432 | request->state = RUN_FETCH_PACKED; | |
433 | if (!start_active_slot(slot)) { | |
434 | fprintf(stderr, "Unable to start GET request\n"); | |
435 | remote->can_update_info_refs = 0; | |
436 | release_request(request); | |
437 | } | |
438 | } | |
439 | ||
58e60dd2 NH |
440 | static void start_mkcol(struct transfer_request *request) |
441 | { | |
aa1dbc98 | 442 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
443 | struct active_request_slot *slot; |
444 | char *posn; | |
445 | ||
446 | request->url = xmalloc(strlen(remote->url) + 13); | |
447 | strcpy(request->url, remote->url); | |
448 | posn = request->url + strlen(remote->url); | |
449 | strcpy(posn, "objects/"); | |
450 | posn += 8; | |
451 | memcpy(posn, hex, 2); | |
452 | posn += 2; | |
453 | strcpy(posn, "/"); | |
454 | ||
455 | slot = get_active_slot(); | |
29508e1e NH |
456 | slot->callback_func = process_response; |
457 | slot->callback_data = request; | |
58e60dd2 NH |
458 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
459 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
460 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
461 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
462 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
463 | ||
464 | if (start_active_slot(slot)) { | |
465 | request->slot = slot; | |
466 | request->state = RUN_MKCOL; | |
467 | } else { | |
468 | request->state = ABORTED; | |
469 | free(request->url); | |
7b899967 | 470 | request->url = NULL; |
58e60dd2 NH |
471 | } |
472 | } | |
473 | ||
474 | static void start_put(struct transfer_request *request) | |
475 | { | |
aa1dbc98 | 476 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
477 | struct active_request_slot *slot; |
478 | char *posn; | |
479 | char type[20]; | |
480 | char hdr[50]; | |
481 | void *unpacked; | |
482 | unsigned long len; | |
483 | int hdrlen; | |
484 | ssize_t size; | |
485 | z_stream stream; | |
486 | ||
aa1dbc98 | 487 | unpacked = read_sha1_file(request->obj->sha1, type, &len); |
58e60dd2 NH |
488 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; |
489 | ||
490 | /* Set it up */ | |
491 | memset(&stream, 0, sizeof(stream)); | |
492 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
493 | size = deflateBound(&stream, len + hdrlen); | |
494 | request->buffer.buffer = xmalloc(size); | |
495 | ||
496 | /* Compress it */ | |
497 | stream.next_out = request->buffer.buffer; | |
498 | stream.avail_out = size; | |
499 | ||
500 | /* First header.. */ | |
501 | stream.next_in = (void *)hdr; | |
502 | stream.avail_in = hdrlen; | |
503 | while (deflate(&stream, 0) == Z_OK) | |
504 | /* nothing */; | |
505 | ||
506 | /* Then the data itself.. */ | |
507 | stream.next_in = unpacked; | |
508 | stream.avail_in = len; | |
509 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
510 | /* nothing */; | |
511 | deflateEnd(&stream); | |
512 | free(unpacked); | |
513 | ||
514 | request->buffer.size = stream.total_out; | |
515 | request->buffer.posn = 0; | |
516 | ||
58e60dd2 | 517 | request->url = xmalloc(strlen(remote->url) + |
26349b2e | 518 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
519 | strcpy(request->url, remote->url); |
520 | posn = request->url + strlen(remote->url); | |
521 | strcpy(posn, "objects/"); | |
522 | posn += 8; | |
523 | memcpy(posn, hex, 2); | |
524 | posn += 2; | |
525 | *(posn++) = '/'; | |
526 | strcpy(posn, hex + 2); | |
527 | request->dest = xmalloc(strlen(request->url) + 14); | |
528 | sprintf(request->dest, "Destination: %s", request->url); | |
529 | posn += 38; | |
530 | *(posn++) = '.'; | |
26349b2e | 531 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
532 | |
533 | slot = get_active_slot(); | |
29508e1e NH |
534 | slot->callback_func = process_response; |
535 | slot->callback_data = request; | |
58e60dd2 NH |
536 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); |
537 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
538 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
539 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
540 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
541 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
542 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
543 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
544 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
545 | ||
546 | if (start_active_slot(slot)) { | |
547 | request->slot = slot; | |
548 | request->state = RUN_PUT; | |
549 | } else { | |
550 | request->state = ABORTED; | |
551 | free(request->url); | |
7b899967 | 552 | request->url = NULL; |
58e60dd2 NH |
553 | } |
554 | } | |
555 | ||
556 | static void start_move(struct transfer_request *request) | |
557 | { | |
558 | struct active_request_slot *slot; | |
559 | struct curl_slist *dav_headers = NULL; | |
560 | ||
561 | slot = get_active_slot(); | |
29508e1e NH |
562 | slot->callback_func = process_response; |
563 | slot->callback_data = request; | |
58e60dd2 NH |
564 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
565 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
566 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
567 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
568 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
569 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
570 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
571 | ||
572 | if (start_active_slot(slot)) { | |
573 | request->slot = slot; | |
574 | request->state = RUN_MOVE; | |
575 | } else { | |
576 | request->state = ABORTED; | |
577 | free(request->url); | |
7b899967 | 578 | request->url = NULL; |
58e60dd2 NH |
579 | } |
580 | } | |
581 | ||
512d632c | 582 | static int refresh_lock(struct remote_lock *lock) |
75187c9d NH |
583 | { |
584 | struct active_request_slot *slot; | |
baa7b67d | 585 | struct slot_results results; |
75187c9d NH |
586 | char *if_header; |
587 | char timeout_header[25]; | |
588 | struct curl_slist *dav_headers = NULL; | |
512d632c | 589 | int rc = 0; |
75187c9d | 590 | |
512d632c | 591 | lock->refreshing = 1; |
75187c9d | 592 | |
512d632c NH |
593 | if_header = xmalloc(strlen(lock->token) + 25); |
594 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
595 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
596 | dav_headers = curl_slist_append(dav_headers, if_header); | |
597 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
75187c9d | 598 | |
512d632c NH |
599 | slot = get_active_slot(); |
600 | slot->results = &results; | |
601 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
602 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
603 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
604 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
605 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
75187c9d | 606 | |
512d632c NH |
607 | if (start_active_slot(slot)) { |
608 | run_active_slot(slot); | |
609 | if (results.curl_result != CURLE_OK) { | |
610 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
611 | results.http_code); | |
612 | } else { | |
613 | lock->start_time = time(NULL); | |
614 | rc = 1; | |
615 | } | |
616 | } | |
aa1dbc98 | 617 | |
512d632c NH |
618 | lock->refreshing = 0; |
619 | curl_slist_free_all(dav_headers); | |
620 | free(if_header); | |
aa1dbc98 | 621 | |
512d632c NH |
622 | return rc; |
623 | } | |
624 | ||
ec26b4d6 | 625 | static void check_locks(void) |
512d632c NH |
626 | { |
627 | struct remote_lock *lock = remote->locks; | |
628 | time_t current_time = time(NULL); | |
629 | int time_remaining; | |
630 | ||
631 | while (lock) { | |
632 | time_remaining = lock->start_time + lock->timeout - | |
633 | current_time; | |
634 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
635 | if (!refresh_lock(lock)) { | |
636 | fprintf(stderr, | |
637 | "Unable to refresh lock for %s\n", | |
638 | lock->url); | |
639 | aborted = 1; | |
640 | return; | |
aa1dbc98 | 641 | } |
75187c9d | 642 | } |
512d632c | 643 | lock = lock->next; |
75187c9d | 644 | } |
aa1dbc98 | 645 | } |
75187c9d | 646 | |
aa1dbc98 NH |
647 | static void release_request(struct transfer_request *request) |
648 | { | |
649 | struct transfer_request *entry = request_queue_head; | |
650 | ||
651 | if (request == request_queue_head) { | |
652 | request_queue_head = request->next; | |
653 | } else { | |
654 | while (entry->next != NULL && entry->next != request) | |
655 | entry = entry->next; | |
656 | if (entry->next == request) | |
657 | entry->next = entry->next->next; | |
658 | } | |
659 | ||
197e8951 NH |
660 | if (request->local_fileno != -1) |
661 | close(request->local_fileno); | |
662 | if (request->local_stream) | |
663 | fclose(request->local_stream); | |
aa1dbc98 NH |
664 | if (request->url != NULL) |
665 | free(request->url); | |
666 | free(request); | |
75187c9d NH |
667 | } |
668 | ||
58e60dd2 NH |
669 | static void finish_request(struct transfer_request *request) |
670 | { | |
197e8951 NH |
671 | struct stat st; |
672 | struct packed_git *target; | |
673 | struct packed_git **lst; | |
674 | ||
675 | request->curl_result = request->slot->curl_result; | |
58e60dd2 NH |
676 | request->http_code = request->slot->http_code; |
677 | request->slot = NULL; | |
75187c9d | 678 | |
aa1dbc98 | 679 | /* Keep locks active */ |
512d632c | 680 | check_locks(); |
75187c9d | 681 | |
58e60dd2 NH |
682 | if (request->headers != NULL) |
683 | curl_slist_free_all(request->headers); | |
7b899967 NH |
684 | |
685 | /* URL is reused for MOVE after PUT */ | |
686 | if (request->state != RUN_PUT) { | |
687 | free(request->url); | |
688 | request->url = NULL; | |
aa1dbc98 | 689 | } |
7b899967 | 690 | |
aa1dbc98 | 691 | if (request->state == RUN_MKCOL) { |
58e60dd2 NH |
692 | if (request->curl_result == CURLE_OK || |
693 | request->http_code == 405) { | |
aa1dbc98 | 694 | remote_dir_exists[request->obj->sha1[0]] = 1; |
58e60dd2 NH |
695 | start_put(request); |
696 | } else { | |
697 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 698 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
699 | request->curl_result, request->http_code); |
700 | request->state = ABORTED; | |
701 | aborted = 1; | |
702 | } | |
703 | } else if (request->state == RUN_PUT) { | |
704 | if (request->curl_result == CURLE_OK) { | |
705 | start_move(request); | |
706 | } else { | |
707 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 708 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
709 | request->curl_result, request->http_code); |
710 | request->state = ABORTED; | |
711 | aborted = 1; | |
712 | } | |
713 | } else if (request->state == RUN_MOVE) { | |
714 | if (request->curl_result == CURLE_OK) { | |
1a703cba NH |
715 | if (push_verbosely) |
716 | fprintf(stderr, " sent %s\n", | |
717 | sha1_to_hex(request->obj->sha1)); | |
aa1dbc98 NH |
718 | request->obj->flags |= REMOTE; |
719 | release_request(request); | |
58e60dd2 NH |
720 | } else { |
721 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 722 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
723 | request->curl_result, request->http_code); |
724 | request->state = ABORTED; | |
725 | aborted = 1; | |
726 | } | |
197e8951 NH |
727 | } else if (request->state == RUN_FETCH_LOOSE) { |
728 | fchmod(request->local_fileno, 0444); | |
729 | close(request->local_fileno); request->local_fileno = -1; | |
730 | ||
731 | if (request->curl_result != CURLE_OK && | |
732 | request->http_code != 416) { | |
733 | if (stat(request->tmpfile, &st) == 0) { | |
734 | if (st.st_size == 0) | |
735 | unlink(request->tmpfile); | |
736 | } | |
737 | } else { | |
738 | if (request->http_code == 416) | |
739 | fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); | |
740 | ||
741 | inflateEnd(&request->stream); | |
742 | SHA1_Final(request->real_sha1, &request->c); | |
743 | if (request->zret != Z_STREAM_END) { | |
744 | unlink(request->tmpfile); | |
745 | } else if (memcmp(request->obj->sha1, request->real_sha1, 20)) { | |
746 | unlink(request->tmpfile); | |
747 | } else { | |
748 | request->rename = | |
749 | move_temp_to_file( | |
750 | request->tmpfile, | |
751 | request->filename); | |
752 | if (request->rename == 0) { | |
753 | request->obj->flags |= (LOCAL | REMOTE); | |
754 | } | |
755 | } | |
756 | } | |
757 | ||
758 | /* Try fetching packed if necessary */ | |
759 | if (request->obj->flags & LOCAL) | |
760 | release_request(request); | |
761 | else | |
762 | start_fetch_packed(request); | |
763 | ||
764 | } else if (request->state == RUN_FETCH_PACKED) { | |
765 | if (request->curl_result != CURLE_OK) { | |
766 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
767 | request->url, curl_errorstr); | |
768 | remote->can_update_info_refs = 0; | |
769 | } else { | |
770 | fclose(request->local_stream); | |
771 | request->local_stream = NULL; | |
772 | if (!move_temp_to_file(request->tmpfile, | |
773 | request->filename)) { | |
774 | target = (struct packed_git *)request->userData; | |
775 | lst = &remote->packs; | |
776 | while (*lst != target) | |
777 | lst = &((*lst)->next); | |
778 | *lst = (*lst)->next; | |
779 | ||
780 | if (!verify_pack(target, 0)) | |
781 | install_packed_git(target); | |
782 | else | |
783 | remote->can_update_info_refs = 0; | |
784 | } | |
785 | } | |
786 | release_request(request); | |
58e60dd2 NH |
787 | } |
788 | } | |
789 | ||
29508e1e | 790 | void fill_active_slots(void) |
58e60dd2 NH |
791 | { |
792 | struct transfer_request *request = request_queue_head; | |
197e8951 | 793 | struct transfer_request *next; |
58e60dd2 NH |
794 | struct active_request_slot *slot = active_queue_head; |
795 | int num_transfers; | |
796 | ||
797 | if (aborted) | |
798 | return; | |
799 | ||
800 | while (active_requests < max_requests && request != NULL) { | |
197e8951 NH |
801 | next = request->next; |
802 | if (request->state == NEED_FETCH) { | |
803 | start_fetch_loose(request); | |
804 | } else if (pushing && request->state == NEED_PUSH) { | |
aa1dbc98 | 805 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { |
0dd276b8 | 806 | start_put(request); |
aa1dbc98 | 807 | } else { |
0dd276b8 | 808 | start_mkcol(request); |
aa1dbc98 | 809 | } |
58e60dd2 NH |
810 | curl_multi_perform(curlm, &num_transfers); |
811 | } | |
197e8951 | 812 | request = next; |
58e60dd2 NH |
813 | } |
814 | ||
815 | while (slot != NULL) { | |
816 | if (!slot->in_use && slot->curl != NULL) { | |
817 | curl_easy_cleanup(slot->curl); | |
818 | slot->curl = NULL; | |
819 | } | |
820 | slot = slot->next; | |
aa1dbc98 | 821 | } |
58e60dd2 | 822 | } |
58e60dd2 | 823 | |
aa1dbc98 NH |
824 | static void get_remote_object_list(unsigned char parent); |
825 | ||
197e8951 NH |
826 | static void add_fetch_request(struct object *obj) |
827 | { | |
828 | struct transfer_request *request; | |
829 | ||
830 | check_locks(); | |
831 | ||
832 | /* | |
833 | * Don't fetch the object if it's known to exist locally | |
834 | * or is already in the request queue | |
835 | */ | |
836 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
837 | get_remote_object_list(obj->sha1[0]); | |
838 | if (obj->flags & (LOCAL | FETCHING)) | |
839 | return; | |
840 | ||
841 | obj->flags |= FETCHING; | |
842 | request = xmalloc(sizeof(*request)); | |
843 | request->obj = obj; | |
844 | request->url = NULL; | |
845 | request->lock = NULL; | |
846 | request->headers = NULL; | |
847 | request->local_fileno = -1; | |
848 | request->local_stream = NULL; | |
849 | request->state = NEED_FETCH; | |
850 | request->next = request_queue_head; | |
851 | request_queue_head = request; | |
852 | ||
853 | fill_active_slots(); | |
854 | step_active_slots(); | |
855 | } | |
856 | ||
1a703cba | 857 | static int add_send_request(struct object *obj, struct remote_lock *lock) |
58e60dd2 NH |
858 | { |
859 | struct transfer_request *request = request_queue_head; | |
58e60dd2 | 860 | struct packed_git *target; |
58e60dd2 | 861 | |
512d632c NH |
862 | /* Keep locks active */ |
863 | check_locks(); | |
864 | ||
aa1dbc98 NH |
865 | /* |
866 | * Don't push the object if it's known to exist on the remote | |
867 | * or is already in the request queue | |
868 | */ | |
869 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
870 | get_remote_object_list(obj->sha1[0]); | |
871 | if (obj->flags & (REMOTE | PUSHING)) | |
1a703cba | 872 | return 0; |
aa1dbc98 NH |
873 | target = find_sha1_pack(obj->sha1, remote->packs); |
874 | if (target) { | |
875 | obj->flags |= REMOTE; | |
1a703cba | 876 | return 0; |
aa1dbc98 | 877 | } |
58e60dd2 | 878 | |
aa1dbc98 | 879 | obj->flags |= PUSHING; |
58e60dd2 | 880 | request = xmalloc(sizeof(*request)); |
aa1dbc98 | 881 | request->obj = obj; |
58e60dd2 | 882 | request->url = NULL; |
26349b2e | 883 | request->lock = lock; |
58e60dd2 | 884 | request->headers = NULL; |
197e8951 NH |
885 | request->local_fileno = -1; |
886 | request->local_stream = NULL; | |
aa1dbc98 | 887 | request->state = NEED_PUSH; |
c17fb6ee NH |
888 | request->next = request_queue_head; |
889 | request_queue_head = request; | |
29508e1e NH |
890 | |
891 | fill_active_slots(); | |
892 | step_active_slots(); | |
1a703cba NH |
893 | |
894 | return 1; | |
58e60dd2 NH |
895 | } |
896 | ||
897 | static int fetch_index(unsigned char *sha1) | |
898 | { | |
899 | char *hex = sha1_to_hex(sha1); | |
900 | char *filename; | |
901 | char *url; | |
902 | char tmpfile[PATH_MAX]; | |
903 | long prev_posn = 0; | |
904 | char range[RANGE_HEADER_SIZE]; | |
905 | struct curl_slist *range_header = NULL; | |
906 | ||
907 | FILE *indexfile; | |
908 | struct active_request_slot *slot; | |
baa7b67d | 909 | struct slot_results results; |
58e60dd2 | 910 | |
c17fb6ee | 911 | /* Don't use the index if the pack isn't there */ |
1a703cba NH |
912 | url = xmalloc(strlen(remote->url) + 64); |
913 | sprintf(url, "%sobjects/pack/pack-%s.pack", remote->url, hex); | |
c17fb6ee | 914 | slot = get_active_slot(); |
baa7b67d | 915 | slot->results = &results; |
c17fb6ee NH |
916 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
917 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
918 | if (start_active_slot(slot)) { | |
919 | run_active_slot(slot); | |
baa7b67d | 920 | if (results.curl_result != CURLE_OK) { |
c17fb6ee NH |
921 | free(url); |
922 | return error("Unable to verify pack %s is available", | |
923 | hex); | |
924 | } | |
925 | } else { | |
926 | return error("Unable to start request"); | |
927 | } | |
928 | ||
58e60dd2 NH |
929 | if (has_pack_index(sha1)) |
930 | return 0; | |
931 | ||
932 | if (push_verbosely) | |
933 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
1a703cba NH |
934 | |
935 | sprintf(url, "%sobjects/pack/pack-%s.idx", remote->url, hex); | |
936 | ||
58e60dd2 NH |
937 | filename = sha1_pack_index_name(sha1); |
938 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
939 | indexfile = fopen(tmpfile, "a"); | |
940 | if (!indexfile) | |
941 | return error("Unable to open local file %s for pack index", | |
942 | filename); | |
943 | ||
944 | slot = get_active_slot(); | |
baa7b67d | 945 | slot->results = &results; |
c17fb6ee NH |
946 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
947 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
948 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
949 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
950 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
951 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
952 | slot->local = indexfile; | |
953 | ||
954 | /* If there is data present from a previous transfer attempt, | |
955 | resume where it left off */ | |
956 | prev_posn = ftell(indexfile); | |
957 | if (prev_posn>0) { | |
958 | if (push_verbosely) | |
959 | fprintf(stderr, | |
960 | "Resuming fetch of index for pack %s at byte %ld\n", | |
961 | hex, prev_posn); | |
962 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
963 | range_header = curl_slist_append(range_header, range); | |
964 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
965 | } | |
966 | ||
967 | if (start_active_slot(slot)) { | |
968 | run_active_slot(slot); | |
baa7b67d | 969 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
970 | free(url); |
971 | fclose(indexfile); | |
972 | return error("Unable to get pack index %s\n%s", url, | |
973 | curl_errorstr); | |
974 | } | |
975 | } else { | |
976 | free(url); | |
7b899967 | 977 | fclose(indexfile); |
58e60dd2 NH |
978 | return error("Unable to start request"); |
979 | } | |
980 | ||
981 | free(url); | |
982 | fclose(indexfile); | |
983 | ||
984 | return move_temp_to_file(tmpfile, filename); | |
985 | } | |
986 | ||
987 | static int setup_index(unsigned char *sha1) | |
988 | { | |
989 | struct packed_git *new_pack; | |
58e60dd2 NH |
990 | |
991 | if (fetch_index(sha1)) | |
992 | return -1; | |
993 | ||
994 | new_pack = parse_pack_index(sha1); | |
995 | new_pack->next = remote->packs; | |
996 | remote->packs = new_pack; | |
997 | return 0; | |
998 | } | |
999 | ||
f4f440a0 | 1000 | static int fetch_indices(void) |
58e60dd2 NH |
1001 | { |
1002 | unsigned char sha1[20]; | |
1003 | char *url; | |
1004 | struct buffer buffer; | |
1005 | char *data; | |
1006 | int i = 0; | |
1007 | ||
1008 | struct active_request_slot *slot; | |
baa7b67d | 1009 | struct slot_results results; |
58e60dd2 | 1010 | |
90321c10 | 1011 | data = xcalloc(1, 4096); |
58e60dd2 NH |
1012 | buffer.size = 4096; |
1013 | buffer.posn = 0; | |
1014 | buffer.buffer = data; | |
1015 | ||
1016 | if (push_verbosely) | |
1017 | fprintf(stderr, "Getting pack list\n"); | |
1a703cba NH |
1018 | |
1019 | url = xmalloc(strlen(remote->url) + 20); | |
1020 | sprintf(url, "%sobjects/info/packs", remote->url); | |
58e60dd2 NH |
1021 | |
1022 | slot = get_active_slot(); | |
baa7b67d | 1023 | slot->results = &results; |
58e60dd2 | 1024 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 1025 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1026 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1027 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1028 | if (start_active_slot(slot)) { | |
1029 | run_active_slot(slot); | |
baa7b67d | 1030 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1031 | free(buffer.buffer); |
1032 | free(url); | |
baa7b67d | 1033 | if (results.http_code == 404) |
58e60dd2 NH |
1034 | return 0; |
1035 | else | |
1036 | return error("%s", curl_errorstr); | |
1037 | } | |
1038 | } else { | |
1039 | free(buffer.buffer); | |
1040 | free(url); | |
1041 | return error("Unable to start request"); | |
1042 | } | |
1043 | free(url); | |
1044 | ||
1045 | data = buffer.buffer; | |
1046 | while (i < buffer.posn) { | |
1047 | switch (data[i]) { | |
1048 | case 'P': | |
1049 | i++; | |
1050 | if (i + 52 < buffer.posn && | |
1051 | !strncmp(data + i, " pack-", 6) && | |
1052 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
1053 | get_sha1_hex(data + i + 6, sha1); | |
1054 | setup_index(sha1); | |
1055 | i += 51; | |
1056 | break; | |
1057 | } | |
1058 | default: | |
1059 | while (data[i] != '\n') | |
1060 | i++; | |
1061 | } | |
1062 | i++; | |
1063 | } | |
1064 | ||
1065 | free(buffer.buffer); | |
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static inline int needs_quote(int ch) | |
1070 | { | |
1071 | switch (ch) { | |
1072 | case '/': case '-': case '.': | |
1073 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
1074 | return 0; | |
1075 | default: | |
1076 | return 1; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | static inline int hex(int v) | |
1081 | { | |
1082 | if (v < 10) return '0' + v; | |
1083 | else return 'A' + v - 10; | |
1084 | } | |
1085 | ||
1086 | static char *quote_ref_url(const char *base, const char *ref) | |
1087 | { | |
1088 | const char *cp; | |
1089 | char *dp, *qref; | |
1090 | int len, baselen, ch; | |
1091 | ||
1092 | baselen = strlen(base); | |
aa1dbc98 | 1093 | len = baselen + 1; |
58e60dd2 NH |
1094 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
1095 | if (needs_quote(ch)) | |
1096 | len += 2; /* extra two hex plus replacement % */ | |
1097 | qref = xmalloc(len); | |
1098 | memcpy(qref, base, baselen); | |
aa1dbc98 | 1099 | for (cp = ref, dp = qref + baselen; (ch = *cp) != 0; cp++) { |
58e60dd2 NH |
1100 | if (needs_quote(ch)) { |
1101 | *dp++ = '%'; | |
1102 | *dp++ = hex((ch >> 4) & 0xF); | |
1103 | *dp++ = hex(ch & 0xF); | |
1104 | } | |
1105 | else | |
1106 | *dp++ = ch; | |
1107 | } | |
1108 | *dp = 0; | |
1109 | ||
1110 | return qref; | |
1111 | } | |
1112 | ||
1113 | int fetch_ref(char *ref, unsigned char *sha1) | |
1114 | { | |
1115 | char *url; | |
1116 | char hex[42]; | |
1117 | struct buffer buffer; | |
1118 | char *base = remote->url; | |
1119 | struct active_request_slot *slot; | |
baa7b67d | 1120 | struct slot_results results; |
58e60dd2 NH |
1121 | buffer.size = 41; |
1122 | buffer.posn = 0; | |
1123 | buffer.buffer = hex; | |
1124 | hex[41] = '\0'; | |
baa7b67d | 1125 | |
58e60dd2 NH |
1126 | url = quote_ref_url(base, ref); |
1127 | slot = get_active_slot(); | |
baa7b67d | 1128 | slot->results = &results; |
58e60dd2 | 1129 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 1130 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1131 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); |
1132 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1133 | if (start_active_slot(slot)) { | |
1134 | run_active_slot(slot); | |
baa7b67d | 1135 | if (results.curl_result != CURLE_OK) |
58e60dd2 NH |
1136 | return error("Couldn't get %s for %s\n%s", |
1137 | url, ref, curl_errorstr); | |
1138 | } else { | |
1139 | return error("Unable to start request"); | |
1140 | } | |
1141 | ||
1142 | hex[40] = '\0'; | |
1143 | get_sha1_hex(hex, sha1); | |
1144 | return 0; | |
1145 | } | |
1146 | ||
aa1dbc98 NH |
1147 | static void one_remote_object(const char *hex) |
1148 | { | |
1149 | unsigned char sha1[20]; | |
1150 | struct object *obj; | |
1151 | ||
1152 | if (get_sha1_hex(hex, sha1) != 0) | |
1153 | return; | |
1154 | ||
1155 | obj = lookup_object(sha1); | |
1156 | if (!obj) | |
1157 | obj = parse_object(sha1); | |
1158 | ||
1159 | /* Ignore remote objects that don't exist locally */ | |
1160 | if (!obj) | |
1161 | return; | |
1162 | ||
1163 | obj->flags |= REMOTE; | |
1164 | if (!object_list_contains(objects, obj)) | |
1165 | add_object(obj, &objects, NULL, ""); | |
1166 | } | |
1167 | ||
acf59575 | 1168 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 1169 | { |
acf59575 NH |
1170 | int *lock_flags = (int *)ctx->userData; |
1171 | ||
1172 | if (tag_closed) { | |
1173 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
1174 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
1175 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
1176 | *lock_flags |= DAV_LOCK_OK; | |
1177 | } | |
1178 | *lock_flags &= DAV_LOCK_OK; | |
1179 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
1180 | *lock_flags |= DAV_PROP_LOCKWR; | |
1181 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
1182 | *lock_flags |= DAV_PROP_LOCKEX; | |
1183 | } | |
1184 | } | |
26349b2e NH |
1185 | } |
1186 | ||
acf59575 | 1187 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 1188 | { |
aa1dbc98 | 1189 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; |
acf59575 NH |
1190 | |
1191 | if (tag_closed && ctx->cdata) { | |
1192 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
1193 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
1194 | strcpy(lock->owner, ctx->cdata); | |
1195 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
1196 | if (!strncmp(ctx->cdata, "Second-", 7)) | |
1197 | lock->timeout = | |
1198 | strtol(ctx->cdata + 7, NULL, 10); | |
1199 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
1200 | if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) { | |
3e2f62be | 1201 | lock->token = xmalloc(strlen(ctx->cdata) - 15); |
acf59575 NH |
1202 | strcpy(lock->token, ctx->cdata + 16); |
1203 | } | |
1204 | } | |
26349b2e NH |
1205 | } |
1206 | } | |
1207 | ||
aa1dbc98 | 1208 | static void one_remote_ref(char *refname); |
aa1dbc98 | 1209 | |
26349b2e | 1210 | static void |
acf59575 | 1211 | xml_start_tag(void *userData, const char *name, const char **atts) |
26349b2e | 1212 | { |
acf59575 NH |
1213 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
1214 | const char *c = index(name, ':'); | |
1215 | int new_len; | |
1216 | ||
1217 | if (c == NULL) | |
1218 | c = name; | |
1219 | else | |
1220 | c++; | |
1221 | ||
1222 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
1223 | ||
1224 | if (new_len > ctx->len) { | |
1225 | ctx->name = xrealloc(ctx->name, new_len); | |
1226 | ctx->len = new_len; | |
26349b2e | 1227 | } |
acf59575 NH |
1228 | strcat(ctx->name, "."); |
1229 | strcat(ctx->name, c); | |
26349b2e | 1230 | |
acf59575 NH |
1231 | if (ctx->cdata) { |
1232 | free(ctx->cdata); | |
1233 | ctx->cdata = NULL; | |
1234 | } | |
1235 | ||
1236 | ctx->userFunc(ctx, 0); | |
26349b2e NH |
1237 | } |
1238 | ||
58e60dd2 | 1239 | static void |
acf59575 | 1240 | xml_end_tag(void *userData, const char *name) |
58e60dd2 | 1241 | { |
acf59575 NH |
1242 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
1243 | const char *c = index(name, ':'); | |
1244 | char *ep; | |
58e60dd2 | 1245 | |
acf59575 NH |
1246 | ctx->userFunc(ctx, 1); |
1247 | ||
1248 | if (c == NULL) | |
1249 | c = name; | |
1250 | else | |
1251 | c++; | |
1252 | ||
1253 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
1254 | *ep = 0; | |
58e60dd2 NH |
1255 | } |
1256 | ||
1257 | static void | |
acf59575 | 1258 | xml_cdata(void *userData, const XML_Char *s, int len) |
58e60dd2 | 1259 | { |
acf59575 NH |
1260 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
1261 | if (ctx->cdata) | |
1262 | free(ctx->cdata); | |
1263 | ctx->cdata = xcalloc(len+1, 1); | |
1264 | strncpy(ctx->cdata, s, len); | |
58e60dd2 NH |
1265 | } |
1266 | ||
aa1dbc98 | 1267 | static struct remote_lock *lock_remote(char *path, long timeout) |
58e60dd2 NH |
1268 | { |
1269 | struct active_request_slot *slot; | |
baa7b67d | 1270 | struct slot_results results; |
58e60dd2 | 1271 | struct buffer out_buffer; |
26349b2e | 1272 | struct buffer in_buffer; |
58e60dd2 | 1273 | char *out_data; |
26349b2e | 1274 | char *in_data; |
58e60dd2 | 1275 | char *url; |
0772b9a6 | 1276 | char *ep; |
58e60dd2 | 1277 | char timeout_header[25]; |
512d632c | 1278 | struct remote_lock *lock = NULL; |
26349b2e NH |
1279 | XML_Parser parser = XML_ParserCreate(NULL); |
1280 | enum XML_Status result; | |
58e60dd2 | 1281 | struct curl_slist *dav_headers = NULL; |
acf59575 | 1282 | struct xml_ctx ctx; |
58e60dd2 | 1283 | |
aa1dbc98 NH |
1284 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
1285 | sprintf(url, "%s%s", remote->url, path); | |
1286 | ||
0772b9a6 NH |
1287 | /* Make sure leading directories exist for the remote ref */ |
1288 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
1289 | while (ep) { | |
1290 | *ep = 0; | |
1291 | slot = get_active_slot(); | |
baa7b67d | 1292 | slot->results = &results; |
0772b9a6 NH |
1293 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
1294 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1295 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
1296 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1297 | if (start_active_slot(slot)) { | |
1298 | run_active_slot(slot); | |
baa7b67d NH |
1299 | if (results.curl_result != CURLE_OK && |
1300 | results.http_code != 405) { | |
0772b9a6 NH |
1301 | fprintf(stderr, |
1302 | "Unable to create branch path %s\n", | |
1303 | url); | |
1304 | free(url); | |
1305 | return NULL; | |
1306 | } | |
1307 | } else { | |
1a703cba | 1308 | fprintf(stderr, "Unable to start MKCOL request\n"); |
0772b9a6 NH |
1309 | free(url); |
1310 | return NULL; | |
1311 | } | |
1312 | *ep = '/'; | |
1313 | ep = strchr(ep + 1, '/'); | |
1314 | } | |
1315 | ||
58e60dd2 NH |
1316 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
1317 | out_data = xmalloc(out_buffer.size + 1); | |
1318 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
1319 | out_buffer.posn = 0; | |
1320 | out_buffer.buffer = out_data; | |
1321 | ||
26349b2e NH |
1322 | in_buffer.size = 4096; |
1323 | in_data = xmalloc(in_buffer.size); | |
1324 | in_buffer.posn = 0; | |
1325 | in_buffer.buffer = in_data; | |
1326 | ||
75187c9d | 1327 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
1328 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
1329 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1330 | ||
1331 | slot = get_active_slot(); | |
baa7b67d | 1332 | slot->results = &results; |
58e60dd2 NH |
1333 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1334 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1335 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e | 1336 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
29508e1e | 1337 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1338 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1339 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1340 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1341 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1342 | ||
aa1dbc98 | 1343 | lock = xcalloc(1, sizeof(*lock)); |
aa1dbc98 | 1344 | lock->timeout = -1; |
acf59575 | 1345 | |
58e60dd2 NH |
1346 | if (start_active_slot(slot)) { |
1347 | run_active_slot(slot); | |
baa7b67d | 1348 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1349 | ctx.name = xcalloc(10, 1); |
1350 | ctx.len = 0; | |
1351 | ctx.cdata = NULL; | |
1352 | ctx.userFunc = handle_new_lock_ctx; | |
aa1dbc98 | 1353 | ctx.userData = lock; |
acf59575 NH |
1354 | XML_SetUserData(parser, &ctx); |
1355 | XML_SetElementHandler(parser, xml_start_tag, | |
1356 | xml_end_tag); | |
1357 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1358 | result = XML_Parse(parser, in_buffer.buffer, | |
1359 | in_buffer.posn, 1); | |
1360 | free(ctx.name); | |
1361 | if (result != XML_STATUS_OK) { | |
1362 | fprintf(stderr, "XML error: %s\n", | |
1363 | XML_ErrorString( | |
1364 | XML_GetErrorCode(parser))); | |
aa1dbc98 | 1365 | lock->timeout = -1; |
acf59575 | 1366 | } |
58e60dd2 NH |
1367 | } |
1368 | } else { | |
1a703cba | 1369 | fprintf(stderr, "Unable to start LOCK request\n"); |
58e60dd2 NH |
1370 | } |
1371 | ||
acf59575 | 1372 | curl_slist_free_all(dav_headers); |
0772b9a6 | 1373 | free(out_data); |
26349b2e | 1374 | free(in_data); |
26349b2e | 1375 | |
aa1dbc98 NH |
1376 | if (lock->token == NULL || lock->timeout <= 0) { |
1377 | if (lock->token != NULL) | |
1378 | free(lock->token); | |
1379 | if (lock->owner != NULL) | |
1380 | free(lock->owner); | |
75187c9d | 1381 | free(url); |
aa1dbc98 NH |
1382 | free(lock); |
1383 | lock = NULL; | |
acf59575 | 1384 | } else { |
aa1dbc98 | 1385 | lock->url = url; |
aa1dbc98 | 1386 | lock->start_time = time(NULL); |
512d632c NH |
1387 | lock->next = remote->locks; |
1388 | remote->locks = lock; | |
26349b2e NH |
1389 | } |
1390 | ||
aa1dbc98 | 1391 | return lock; |
58e60dd2 NH |
1392 | } |
1393 | ||
aa1dbc98 | 1394 | static int unlock_remote(struct remote_lock *lock) |
58e60dd2 NH |
1395 | { |
1396 | struct active_request_slot *slot; | |
baa7b67d | 1397 | struct slot_results results; |
512d632c | 1398 | struct remote_lock *prev = remote->locks; |
58e60dd2 NH |
1399 | char *lock_token_header; |
1400 | struct curl_slist *dav_headers = NULL; | |
1401 | int rc = 0; | |
1402 | ||
26349b2e | 1403 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1404 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1405 | lock->token); |
58e60dd2 NH |
1406 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1407 | ||
1408 | slot = get_active_slot(); | |
baa7b67d | 1409 | slot->results = &results; |
58e60dd2 | 1410 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); |
75187c9d | 1411 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1412 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1413 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1414 | ||
1415 | if (start_active_slot(slot)) { | |
1416 | run_active_slot(slot); | |
baa7b67d | 1417 | if (results.curl_result == CURLE_OK) |
58e60dd2 NH |
1418 | rc = 1; |
1419 | else | |
512d632c | 1420 | fprintf(stderr, "UNLOCK HTTP error %ld\n", |
baa7b67d | 1421 | results.http_code); |
58e60dd2 | 1422 | } else { |
512d632c | 1423 | fprintf(stderr, "Unable to start UNLOCK request\n"); |
58e60dd2 NH |
1424 | } |
1425 | ||
1426 | curl_slist_free_all(dav_headers); | |
1427 | free(lock_token_header); | |
75187c9d | 1428 | |
512d632c NH |
1429 | if (remote->locks == lock) { |
1430 | remote->locks = lock->next; | |
1431 | } else { | |
1432 | while (prev && prev->next != lock) | |
1433 | prev = prev->next; | |
1434 | if (prev) | |
1435 | prev->next = prev->next->next; | |
1436 | } | |
1437 | ||
1438 | if (lock->owner != NULL) | |
1439 | free(lock->owner); | |
1440 | free(lock->url); | |
1441 | free(lock->token); | |
1442 | free(lock); | |
58e60dd2 NH |
1443 | |
1444 | return rc; | |
1445 | } | |
1446 | ||
3030baa7 NH |
1447 | static void remote_ls(const char *path, int flags, |
1448 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1449 | void *userData); | |
aa1dbc98 | 1450 | |
3030baa7 NH |
1451 | static void process_ls_object(struct remote_ls_ctx *ls) |
1452 | { | |
1453 | unsigned int *parent = (unsigned int *)ls->userData; | |
1454 | char *path = ls->dentry_name; | |
1455 | char *obj_hex; | |
aa1dbc98 | 1456 | |
3030baa7 NH |
1457 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { |
1458 | remote_dir_exists[*parent] = 1; | |
1459 | return; | |
1460 | } | |
aa1dbc98 | 1461 | |
3030baa7 NH |
1462 | if (strlen(path) != 49) |
1463 | return; | |
1464 | path += 8; | |
1465 | obj_hex = xmalloc(strlen(path)); | |
1466 | strncpy(obj_hex, path, 2); | |
1467 | strcpy(obj_hex + 2, path + 3); | |
1468 | one_remote_object(obj_hex); | |
1469 | free(obj_hex); | |
1470 | } | |
aa1dbc98 | 1471 | |
3030baa7 NH |
1472 | static void process_ls_ref(struct remote_ls_ctx *ls) |
1473 | { | |
1474 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1475 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1476 | return; | |
1477 | } | |
aa1dbc98 | 1478 | |
3030baa7 NH |
1479 | if (!(ls->dentry_flags & IS_DIR)) |
1480 | one_remote_ref(ls->dentry_name); | |
1481 | } | |
aa1dbc98 | 1482 | |
3030baa7 NH |
1483 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) |
1484 | { | |
1485 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
aa1dbc98 | 1486 | |
3030baa7 NH |
1487 | if (tag_closed) { |
1488 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1489 | if (ls->dentry_flags & IS_DIR) { | |
1490 | if (ls->flags & PROCESS_DIRS) { | |
1491 | ls->userFunc(ls); | |
1492 | } | |
1493 | if (strcmp(ls->dentry_name, ls->path) && | |
1494 | ls->flags & RECURSIVE) { | |
1495 | remote_ls(ls->dentry_name, | |
1496 | ls->flags, | |
1497 | ls->userFunc, | |
1498 | ls->userData); | |
1499 | } | |
1500 | } else if (ls->flags & PROCESS_FILES) { | |
1501 | ls->userFunc(ls); | |
aa1dbc98 | 1502 | } |
3030baa7 NH |
1503 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { |
1504 | ls->dentry_name = xmalloc(strlen(ctx->cdata) - | |
1505 | remote->path_len + 1); | |
1506 | strcpy(ls->dentry_name, ctx->cdata + remote->path_len); | |
1507 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1508 | ls->dentry_flags |= IS_DIR; | |
aa1dbc98 | 1509 | } |
3030baa7 NH |
1510 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { |
1511 | if (ls->dentry_name) { | |
1512 | free(ls->dentry_name); | |
1513 | } | |
1514 | ls->dentry_name = NULL; | |
1515 | ls->dentry_flags = 0; | |
aa1dbc98 | 1516 | } |
aa1dbc98 NH |
1517 | } |
1518 | ||
3030baa7 NH |
1519 | static void remote_ls(const char *path, int flags, |
1520 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1521 | void *userData) | |
aa1dbc98 | 1522 | { |
3030baa7 | 1523 | char *url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
aa1dbc98 | 1524 | struct active_request_slot *slot; |
baa7b67d | 1525 | struct slot_results results; |
aa1dbc98 NH |
1526 | struct buffer in_buffer; |
1527 | struct buffer out_buffer; | |
1528 | char *in_data; | |
1529 | char *out_data; | |
1530 | XML_Parser parser = XML_ParserCreate(NULL); | |
1531 | enum XML_Status result; | |
1532 | struct curl_slist *dav_headers = NULL; | |
1533 | struct xml_ctx ctx; | |
3030baa7 NH |
1534 | struct remote_ls_ctx ls; |
1535 | ||
1536 | ls.flags = flags; | |
1537 | ls.path = strdup(path); | |
1538 | ls.dentry_name = NULL; | |
1539 | ls.dentry_flags = 0; | |
1540 | ls.userData = userData; | |
1541 | ls.userFunc = userFunc; | |
aa1dbc98 | 1542 | |
aa1dbc98 NH |
1543 | sprintf(url, "%s%s", remote->url, path); |
1544 | ||
1545 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1546 | out_data = xmalloc(out_buffer.size + 1); | |
1547 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1548 | out_buffer.posn = 0; | |
1549 | out_buffer.buffer = out_data; | |
1550 | ||
1551 | in_buffer.size = 4096; | |
1552 | in_data = xmalloc(in_buffer.size); | |
1553 | in_buffer.posn = 0; | |
1554 | in_buffer.buffer = in_data; | |
1555 | ||
1556 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1557 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1558 | ||
1559 | slot = get_active_slot(); | |
baa7b67d | 1560 | slot->results = &results; |
aa1dbc98 NH |
1561 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1562 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1563 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1564 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1565 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1566 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1567 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1568 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1569 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1570 | ||
1571 | if (start_active_slot(slot)) { | |
1572 | run_active_slot(slot); | |
baa7b67d | 1573 | if (results.curl_result == CURLE_OK) { |
aa1dbc98 NH |
1574 | ctx.name = xcalloc(10, 1); |
1575 | ctx.len = 0; | |
1576 | ctx.cdata = NULL; | |
3030baa7 NH |
1577 | ctx.userFunc = handle_remote_ls_ctx; |
1578 | ctx.userData = &ls; | |
aa1dbc98 NH |
1579 | XML_SetUserData(parser, &ctx); |
1580 | XML_SetElementHandler(parser, xml_start_tag, | |
1581 | xml_end_tag); | |
1582 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1583 | result = XML_Parse(parser, in_buffer.buffer, | |
1584 | in_buffer.posn, 1); | |
1585 | free(ctx.name); | |
1586 | ||
1587 | if (result != XML_STATUS_OK) { | |
1588 | fprintf(stderr, "XML error: %s\n", | |
1589 | XML_ErrorString( | |
1590 | XML_GetErrorCode(parser))); | |
1591 | } | |
aa1dbc98 NH |
1592 | } |
1593 | } else { | |
3030baa7 | 1594 | fprintf(stderr, "Unable to start PROPFIND request\n"); |
aa1dbc98 NH |
1595 | } |
1596 | ||
3030baa7 | 1597 | free(ls.path); |
aa1dbc98 NH |
1598 | free(url); |
1599 | free(out_data); | |
1600 | free(in_buffer.buffer); | |
1601 | curl_slist_free_all(dav_headers); | |
1602 | } | |
1603 | ||
3030baa7 NH |
1604 | static void get_remote_object_list(unsigned char parent) |
1605 | { | |
1606 | char path[] = "objects/XX/"; | |
1607 | static const char hex[] = "0123456789abcdef"; | |
1608 | unsigned int val = parent; | |
1609 | ||
1610 | path[8] = hex[val >> 4]; | |
1611 | path[9] = hex[val & 0xf]; | |
1612 | remote_dir_exists[val] = 0; | |
1613 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1614 | process_ls_object, &val); | |
1615 | } | |
1616 | ||
acf59575 | 1617 | static int locking_available(void) |
58e60dd2 NH |
1618 | { |
1619 | struct active_request_slot *slot; | |
baa7b67d | 1620 | struct slot_results results; |
58e60dd2 NH |
1621 | struct buffer in_buffer; |
1622 | struct buffer out_buffer; | |
1623 | char *in_data; | |
1624 | char *out_data; | |
1625 | XML_Parser parser = XML_ParserCreate(NULL); | |
1626 | enum XML_Status result; | |
58e60dd2 | 1627 | struct curl_slist *dav_headers = NULL; |
acf59575 NH |
1628 | struct xml_ctx ctx; |
1629 | int lock_flags = 0; | |
58e60dd2 | 1630 | |
aa1dbc98 NH |
1631 | out_buffer.size = |
1632 | strlen(PROPFIND_SUPPORTEDLOCK_REQUEST) + | |
1633 | strlen(remote->url) - 2; | |
58e60dd2 | 1634 | out_data = xmalloc(out_buffer.size + 1); |
aa1dbc98 NH |
1635 | snprintf(out_data, out_buffer.size + 1, |
1636 | PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url); | |
58e60dd2 NH |
1637 | out_buffer.posn = 0; |
1638 | out_buffer.buffer = out_data; | |
1639 | ||
1640 | in_buffer.size = 4096; | |
1641 | in_data = xmalloc(in_buffer.size); | |
1642 | in_buffer.posn = 0; | |
1643 | in_buffer.buffer = in_data; | |
1644 | ||
1645 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1646 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
baa7b67d | 1647 | |
58e60dd2 | 1648 | slot = get_active_slot(); |
baa7b67d | 1649 | slot->results = &results; |
58e60dd2 NH |
1650 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1651 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1652 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1653 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
29508e1e | 1654 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1655 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); |
1656 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1657 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1658 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1659 | ||
1660 | if (start_active_slot(slot)) { | |
1661 | run_active_slot(slot); | |
baa7b67d | 1662 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1663 | ctx.name = xcalloc(10, 1); |
1664 | ctx.len = 0; | |
1665 | ctx.cdata = NULL; | |
1666 | ctx.userFunc = handle_lockprop_ctx; | |
1667 | ctx.userData = &lock_flags; | |
1668 | XML_SetUserData(parser, &ctx); | |
1669 | XML_SetElementHandler(parser, xml_start_tag, | |
1670 | xml_end_tag); | |
1671 | result = XML_Parse(parser, in_buffer.buffer, | |
1672 | in_buffer.posn, 1); | |
1673 | free(ctx.name); | |
1674 | ||
1675 | if (result != XML_STATUS_OK) { | |
1676 | fprintf(stderr, "XML error: %s\n", | |
1677 | XML_ErrorString( | |
1678 | XML_GetErrorCode(parser))); | |
1679 | lock_flags = 0; | |
1680 | } | |
58e60dd2 | 1681 | } |
58e60dd2 | 1682 | } else { |
1a703cba | 1683 | fprintf(stderr, "Unable to start PROPFIND request\n"); |
58e60dd2 NH |
1684 | } |
1685 | ||
acf59575 NH |
1686 | free(out_data); |
1687 | free(in_buffer.buffer); | |
1688 | curl_slist_free_all(dav_headers); | |
1689 | ||
1690 | return lock_flags; | |
58e60dd2 NH |
1691 | } |
1692 | ||
aa1dbc98 NH |
1693 | static struct object_list **process_blob(struct blob *blob, |
1694 | struct object_list **p, | |
1695 | struct name_path *path, | |
1696 | const char *name) | |
58e60dd2 | 1697 | { |
aa1dbc98 | 1698 | struct object *obj = &blob->object; |
58e60dd2 | 1699 | |
aa1dbc98 NH |
1700 | obj->flags |= LOCAL; |
1701 | ||
1702 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1703 | return p; | |
1704 | ||
1705 | obj->flags |= SEEN; | |
1706 | return add_object(obj, p, path, name); | |
1707 | } | |
1708 | ||
1709 | static struct object_list **process_tree(struct tree *tree, | |
1710 | struct object_list **p, | |
1711 | struct name_path *path, | |
1712 | const char *name) | |
1713 | { | |
1714 | struct object *obj = &tree->object; | |
1715 | struct tree_entry_list *entry; | |
1716 | struct name_path me; | |
1717 | ||
1718 | obj->flags |= LOCAL; | |
1719 | ||
1720 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1721 | return p; | |
1722 | if (parse_tree(tree) < 0) | |
1723 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1724 | ||
1725 | obj->flags |= SEEN; | |
1726 | p = add_object(obj, p, NULL, name); | |
1727 | me.up = path; | |
1728 | me.elem = name; | |
1729 | me.elem_len = strlen(name); | |
1730 | entry = tree->entries; | |
1731 | tree->entries = NULL; | |
1732 | while (entry) { | |
1733 | struct tree_entry_list *next = entry->next; | |
1734 | if (entry->directory) | |
1735 | p = process_tree(entry->item.tree, p, &me, entry->name); | |
1736 | else | |
1737 | p = process_blob(entry->item.blob, p, &me, entry->name); | |
1738 | free(entry); | |
1739 | entry = next; | |
58e60dd2 | 1740 | } |
aa1dbc98 | 1741 | return p; |
58e60dd2 NH |
1742 | } |
1743 | ||
1a703cba | 1744 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) |
58e60dd2 NH |
1745 | { |
1746 | struct commit *commit; | |
aa1dbc98 | 1747 | struct object_list **p = &objects, *pending; |
1a703cba | 1748 | int count = 0; |
58e60dd2 | 1749 | |
aa1dbc98 NH |
1750 | while ((commit = get_revision(revs)) != NULL) { |
1751 | p = process_tree(commit->tree, p, NULL, ""); | |
1752 | commit->object.flags |= LOCAL; | |
1753 | if (!(commit->object.flags & UNINTERESTING)) | |
1a703cba | 1754 | count += add_send_request(&commit->object, lock); |
aa1dbc98 | 1755 | } |
58e60dd2 | 1756 | |
aa1dbc98 NH |
1757 | for (pending = revs->pending_objects; pending; pending = pending->next) { |
1758 | struct object *obj = pending->item; | |
1759 | const char *name = pending->name; | |
58e60dd2 | 1760 | |
aa1dbc98 NH |
1761 | if (obj->flags & (UNINTERESTING | SEEN)) |
1762 | continue; | |
1763 | if (obj->type == tag_type) { | |
1764 | obj->flags |= SEEN; | |
1765 | p = add_object(obj, p, NULL, name); | |
1766 | continue; | |
58e60dd2 | 1767 | } |
aa1dbc98 NH |
1768 | if (obj->type == tree_type) { |
1769 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1770 | continue; | |
58e60dd2 | 1771 | } |
aa1dbc98 NH |
1772 | if (obj->type == blob_type) { |
1773 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1774 | continue; | |
58e60dd2 | 1775 | } |
aa1dbc98 NH |
1776 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); |
1777 | } | |
1778 | ||
1779 | while (objects) { | |
1780 | if (!(objects->item->flags & UNINTERESTING)) | |
1a703cba | 1781 | count += add_send_request(objects->item, lock); |
aa1dbc98 | 1782 | objects = objects->next; |
58e60dd2 | 1783 | } |
1a703cba NH |
1784 | |
1785 | return count; | |
58e60dd2 NH |
1786 | } |
1787 | ||
aa1dbc98 | 1788 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) |
58e60dd2 NH |
1789 | { |
1790 | struct active_request_slot *slot; | |
baa7b67d | 1791 | struct slot_results results; |
58e60dd2 NH |
1792 | char *out_data; |
1793 | char *if_header; | |
1794 | struct buffer out_buffer; | |
1795 | struct curl_slist *dav_headers = NULL; | |
1796 | int i; | |
1797 | ||
26349b2e NH |
1798 | if_header = xmalloc(strlen(lock->token) + 25); |
1799 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1800 | dav_headers = curl_slist_append(dav_headers, if_header); |
1801 | ||
1802 | out_buffer.size = 41; | |
1803 | out_data = xmalloc(out_buffer.size + 1); | |
1804 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1805 | if (i != out_buffer.size) { | |
1806 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1807 | return 0; | |
1808 | } | |
1809 | out_buffer.posn = 0; | |
1810 | out_buffer.buffer = out_data; | |
1811 | ||
1812 | slot = get_active_slot(); | |
baa7b67d | 1813 | slot->results = &results; |
58e60dd2 NH |
1814 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1815 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1816 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1817 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1818 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1819 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1820 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1821 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1822 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1823 | |
1824 | if (start_active_slot(slot)) { | |
1825 | run_active_slot(slot); | |
1826 | free(out_data); | |
1827 | free(if_header); | |
baa7b67d | 1828 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1829 | fprintf(stderr, |
1830 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
baa7b67d | 1831 | results.curl_result, results.http_code); |
58e60dd2 NH |
1832 | /* We should attempt recovery? */ |
1833 | return 0; | |
1834 | } | |
1835 | } else { | |
1836 | free(out_data); | |
1837 | free(if_header); | |
58e60dd2 NH |
1838 | fprintf(stderr, "Unable to start PUT request\n"); |
1839 | return 0; | |
1840 | } | |
1841 | ||
1842 | return 1; | |
1843 | } | |
1844 | ||
aa1dbc98 NH |
1845 | static struct ref *local_refs, **local_tail; |
1846 | static struct ref *remote_refs, **remote_tail; | |
1847 | ||
1848 | static int one_local_ref(const char *refname, const unsigned char *sha1) | |
1849 | { | |
1850 | struct ref *ref; | |
1851 | int len = strlen(refname) + 1; | |
1852 | ref = xcalloc(1, sizeof(*ref) + len); | |
1853 | memcpy(ref->new_sha1, sha1, 20); | |
1854 | memcpy(ref->name, refname, len); | |
1855 | *local_tail = ref; | |
1856 | local_tail = &ref->next; | |
1857 | return 0; | |
1858 | } | |
1859 | ||
1860 | static void one_remote_ref(char *refname) | |
1861 | { | |
1862 | struct ref *ref; | |
1863 | unsigned char remote_sha1[20]; | |
197e8951 | 1864 | struct object *obj; |
8c9e7947 | 1865 | int len = strlen(refname) + 1; |
aa1dbc98 NH |
1866 | |
1867 | if (fetch_ref(refname, remote_sha1) != 0) { | |
1868 | fprintf(stderr, | |
1869 | "Unable to fetch ref %s from %s\n", | |
1870 | refname, remote->url); | |
1871 | return; | |
1872 | } | |
1873 | ||
197e8951 NH |
1874 | /* |
1875 | * Fetch a copy of the object if it doesn't exist locally - it | |
1876 | * may be required for updating server info later. | |
1877 | */ | |
1878 | if (remote->can_update_info_refs && !has_sha1_file(remote_sha1)) { | |
1879 | obj = lookup_unknown_object(remote_sha1); | |
1880 | if (obj) { | |
1881 | fprintf(stderr, " fetch %s for %s\n", | |
1882 | sha1_to_hex(remote_sha1), refname); | |
1883 | add_fetch_request(obj); | |
1884 | } | |
1885 | } | |
1886 | ||
aa1dbc98 NH |
1887 | ref = xcalloc(1, sizeof(*ref) + len); |
1888 | memcpy(ref->old_sha1, remote_sha1, 20); | |
1889 | memcpy(ref->name, refname, len); | |
1890 | *remote_tail = ref; | |
1891 | remote_tail = &ref->next; | |
1892 | } | |
1893 | ||
1894 | static void get_local_heads(void) | |
1895 | { | |
1896 | local_tail = &local_refs; | |
1897 | for_each_ref(one_local_ref); | |
1898 | } | |
1899 | ||
1900 | static void get_dav_remote_heads(void) | |
1901 | { | |
1902 | remote_tail = &remote_refs; | |
3030baa7 | 1903 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); |
aa1dbc98 NH |
1904 | } |
1905 | ||
1906 | static int is_zero_sha1(const unsigned char *sha1) | |
1907 | { | |
1908 | int i; | |
1909 | ||
1910 | for (i = 0; i < 20; i++) { | |
1911 | if (*sha1++) | |
1912 | return 0; | |
1913 | } | |
1914 | return 1; | |
1915 | } | |
1916 | ||
1917 | static void unmark_and_free(struct commit_list *list, unsigned int mark) | |
1918 | { | |
1919 | while (list) { | |
1920 | struct commit_list *temp = list; | |
1921 | temp->item->object.flags &= ~mark; | |
1922 | list = temp->next; | |
1923 | free(temp); | |
1924 | } | |
1925 | } | |
1926 | ||
1927 | static int ref_newer(const unsigned char *new_sha1, | |
1928 | const unsigned char *old_sha1) | |
1929 | { | |
1930 | struct object *o; | |
1931 | struct commit *old, *new; | |
1932 | struct commit_list *list, *used; | |
1933 | int found = 0; | |
1934 | ||
1935 | /* Both new and old must be commit-ish and new is descendant of | |
1936 | * old. Otherwise we require --force. | |
1937 | */ | |
1938 | o = deref_tag(parse_object(old_sha1), NULL, 0); | |
1939 | if (!o || o->type != commit_type) | |
1940 | return 0; | |
1941 | old = (struct commit *) o; | |
1942 | ||
1943 | o = deref_tag(parse_object(new_sha1), NULL, 0); | |
1944 | if (!o || o->type != commit_type) | |
1945 | return 0; | |
1946 | new = (struct commit *) o; | |
1947 | ||
1948 | if (parse_commit(new) < 0) | |
1949 | return 0; | |
1950 | ||
1951 | used = list = NULL; | |
1952 | commit_list_insert(new, &list); | |
1953 | while (list) { | |
1954 | new = pop_most_recent_commit(&list, TMP_MARK); | |
1955 | commit_list_insert(new, &used); | |
1956 | if (new == old) { | |
1957 | found = 1; | |
1958 | break; | |
1959 | } | |
1960 | } | |
1961 | unmark_and_free(list, TMP_MARK); | |
1962 | unmark_and_free(used, TMP_MARK); | |
1963 | return found; | |
1964 | } | |
1965 | ||
1966 | static void mark_edge_parents_uninteresting(struct commit *commit) | |
1967 | { | |
1968 | struct commit_list *parents; | |
1969 | ||
1970 | for (parents = commit->parents; parents; parents = parents->next) { | |
1971 | struct commit *parent = parents->item; | |
1972 | if (!(parent->object.flags & UNINTERESTING)) | |
1973 | continue; | |
1974 | mark_tree_uninteresting(parent->tree); | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | static void mark_edges_uninteresting(struct commit_list *list) | |
1979 | { | |
1980 | for ( ; list; list = list->next) { | |
1981 | struct commit *commit = list->item; | |
1982 | ||
1983 | if (commit->object.flags & UNINTERESTING) { | |
1984 | mark_tree_uninteresting(commit->tree); | |
1985 | continue; | |
1986 | } | |
1987 | mark_edge_parents_uninteresting(commit); | |
1988 | } | |
1989 | } | |
1990 | ||
197e8951 NH |
1991 | static void add_remote_info_ref(struct remote_ls_ctx *ls) |
1992 | { | |
1993 | struct buffer *buf = (struct buffer *)ls->userData; | |
1994 | unsigned char remote_sha1[20]; | |
1995 | struct object *o; | |
1996 | int len; | |
1997 | char *ref_info; | |
1998 | ||
1999 | if (fetch_ref(ls->dentry_name, remote_sha1) != 0) { | |
2000 | fprintf(stderr, | |
2001 | "Unable to fetch ref %s from %s\n", | |
2002 | ls->dentry_name, remote->url); | |
2003 | aborted = 1; | |
2004 | return; | |
2005 | } | |
2006 | ||
2007 | o = parse_object(remote_sha1); | |
2008 | if (!o) { | |
2009 | fprintf(stderr, | |
2010 | "Unable to parse object %s for remote ref %s\n", | |
2011 | sha1_to_hex(remote_sha1), ls->dentry_name); | |
2012 | aborted = 1; | |
2013 | return; | |
2014 | } | |
2015 | ||
2016 | len = strlen(ls->dentry_name) + 42; | |
2017 | ref_info = xcalloc(len + 1, 1); | |
2018 | sprintf(ref_info, "%s %s\n", | |
2019 | sha1_to_hex(remote_sha1), ls->dentry_name); | |
2020 | fwrite_buffer(ref_info, 1, len, buf); | |
2021 | free(ref_info); | |
2022 | ||
2023 | if (o->type == tag_type) { | |
2024 | o = deref_tag(o, ls->dentry_name, 0); | |
2025 | if (o) { | |
2026 | len = strlen(ls->dentry_name) + 45; | |
2027 | ref_info = xcalloc(len + 1, 1); | |
2028 | sprintf(ref_info, "%s %s^{}\n", | |
2029 | sha1_to_hex(o->sha1), ls->dentry_name); | |
2030 | fwrite_buffer(ref_info, 1, len, buf); | |
2031 | free(ref_info); | |
2032 | } | |
2033 | } | |
2034 | } | |
2035 | ||
2036 | static void update_remote_info_refs(struct remote_lock *lock) | |
2037 | { | |
2038 | struct buffer buffer; | |
2039 | struct active_request_slot *slot; | |
2040 | struct slot_results results; | |
2041 | char *if_header; | |
2042 | struct curl_slist *dav_headers = NULL; | |
2043 | ||
90321c10 | 2044 | buffer.buffer = xcalloc(1, 4096); |
197e8951 NH |
2045 | buffer.size = 4096; |
2046 | buffer.posn = 0; | |
2047 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
2048 | add_remote_info_ref, &buffer); | |
2049 | if (!aborted) { | |
2050 | if_header = xmalloc(strlen(lock->token) + 25); | |
2051 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
2052 | dav_headers = curl_slist_append(dav_headers, if_header); | |
2053 | ||
2054 | slot = get_active_slot(); | |
2055 | slot->results = &results; | |
2056 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer); | |
2057 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.posn); | |
2058 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
2059 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
2060 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
2061 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
2062 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
2063 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
2064 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
2065 | ||
2066 | buffer.posn = 0; | |
2067 | ||
2068 | if (start_active_slot(slot)) { | |
2069 | run_active_slot(slot); | |
2070 | if (results.curl_result != CURLE_OK) { | |
2071 | fprintf(stderr, | |
2072 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
2073 | results.curl_result, results.http_code); | |
2074 | } | |
2075 | } | |
2076 | free(if_header); | |
2077 | } | |
2078 | free(buffer.buffer); | |
2079 | } | |
2080 | ||
2081 | static int remote_exists(const char *path) | |
2082 | { | |
2083 | char *url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
2084 | struct active_request_slot *slot; | |
2085 | struct slot_results results; | |
2086 | ||
2087 | sprintf(url, "%s%s", remote->url, path); | |
2088 | ||
2089 | slot = get_active_slot(); | |
2090 | slot->results = &results; | |
2091 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2092 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
2093 | ||
2094 | if (start_active_slot(slot)) { | |
2095 | run_active_slot(slot); | |
2096 | if (results.http_code == 404) | |
2097 | return 0; | |
2098 | else if (results.curl_result == CURLE_OK) | |
2099 | return 1; | |
2100 | else | |
2101 | fprintf(stderr, "HEAD HTTP error %ld\n", results.http_code); | |
2102 | } else { | |
2103 | fprintf(stderr, "Unable to start HEAD request\n"); | |
2104 | } | |
2105 | ||
2106 | return -1; | |
2107 | } | |
2108 | ||
3dfaf7bc NH |
2109 | static void fetch_symref(char *path, char **symref, unsigned char *sha1) |
2110 | { | |
2111 | char *url; | |
2112 | struct buffer buffer; | |
2113 | struct active_request_slot *slot; | |
2114 | struct slot_results results; | |
2115 | ||
2116 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
2117 | sprintf(url, "%s%s", remote->url, path); | |
2118 | ||
2119 | buffer.size = 4096; | |
2120 | buffer.posn = 0; | |
2121 | buffer.buffer = xmalloc(buffer.size); | |
2122 | ||
2123 | slot = get_active_slot(); | |
2124 | slot->results = &results; | |
2125 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
2126 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
2127 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
2128 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2129 | if (start_active_slot(slot)) { | |
2130 | run_active_slot(slot); | |
2131 | if (results.curl_result != CURLE_OK) { | |
2132 | die("Couldn't get %s for remote symref\n%s", | |
2133 | url, curl_errorstr); | |
2134 | } | |
2135 | } else { | |
2136 | die("Unable to start remote symref request"); | |
2137 | } | |
2138 | free(url); | |
2139 | ||
2140 | if (*symref != NULL) | |
2141 | free(*symref); | |
2142 | *symref = NULL; | |
2143 | memset(sha1, 0, 20); | |
2144 | ||
2145 | if (buffer.posn == 0) | |
2146 | return; | |
2147 | ||
2148 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
2149 | if (!strncmp((char *)buffer.buffer, "ref: ", 5)) { | |
2150 | *symref = xcalloc(buffer.posn - 5, 1); | |
2151 | strncpy(*symref, (char *)buffer.buffer + 5, buffer.posn - 6); | |
2152 | } else { | |
2153 | get_sha1_hex(buffer.buffer, sha1); | |
2154 | } | |
2155 | ||
2156 | free(buffer.buffer); | |
2157 | } | |
2158 | ||
2159 | static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1) | |
2160 | { | |
2161 | int pipe_fd[2]; | |
2162 | pid_t merge_base_pid; | |
2163 | char line[PATH_MAX + 20]; | |
2164 | unsigned char merge_sha1[20]; | |
2165 | int verified = 0; | |
2166 | ||
2167 | if (pipe(pipe_fd) < 0) | |
2168 | die("Verify merge base: pipe failed"); | |
2169 | ||
2170 | merge_base_pid = fork(); | |
2171 | if (!merge_base_pid) { | |
2172 | static const char *args[] = { | |
2173 | "merge-base", | |
2174 | "-a", | |
2175 | NULL, | |
2176 | NULL, | |
2177 | NULL | |
2178 | }; | |
2179 | args[2] = strdup(sha1_to_hex(head_sha1)); | |
2180 | args[3] = sha1_to_hex(branch_sha1); | |
2181 | ||
2182 | dup2(pipe_fd[1], 1); | |
2183 | close(pipe_fd[0]); | |
2184 | close(pipe_fd[1]); | |
2185 | execv_git_cmd(args); | |
2186 | die("merge-base setup failed"); | |
2187 | } | |
2188 | if (merge_base_pid < 0) | |
2189 | die("merge-base fork failed"); | |
2190 | ||
2191 | dup2(pipe_fd[0], 0); | |
2192 | close(pipe_fd[0]); | |
2193 | close(pipe_fd[1]); | |
2194 | while (fgets(line, sizeof(line), stdin) != NULL) { | |
2195 | if (get_sha1_hex(line, merge_sha1)) | |
2196 | die("expected sha1, got garbage:\n %s", line); | |
2197 | if (!memcmp(branch_sha1, merge_sha1, 20)) { | |
2198 | verified = 1; | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | ||
2203 | return verified; | |
2204 | } | |
2205 | ||
2206 | static int delete_remote_branch(char *pattern, int force) | |
2207 | { | |
2208 | struct ref *refs = remote_refs; | |
2209 | struct ref *remote_ref = NULL; | |
2210 | unsigned char head_sha1[20]; | |
2211 | char *symref = NULL; | |
2212 | int match; | |
2213 | int patlen = strlen(pattern); | |
2214 | int i; | |
2215 | struct active_request_slot *slot; | |
2216 | struct slot_results results; | |
2217 | char *url; | |
2218 | ||
2219 | /* Find the remote branch(es) matching the specified branch name */ | |
2220 | for (match = 0; refs; refs = refs->next) { | |
2221 | char *name = refs->name; | |
2222 | int namelen = strlen(name); | |
2223 | if (namelen < patlen || | |
2224 | memcmp(name + namelen - patlen, pattern, patlen)) | |
2225 | continue; | |
2226 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
2227 | continue; | |
2228 | match++; | |
2229 | remote_ref = refs; | |
2230 | } | |
2231 | if (match == 0) | |
2232 | return error("No remote branch matches %s", pattern); | |
2233 | if (match != 1) | |
2234 | return error("More than one remote branch matches %s", | |
2235 | pattern); | |
2236 | ||
2237 | /* | |
2238 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
2239 | * symlink to a symref will look like a symref) | |
2240 | */ | |
2241 | fetch_symref("HEAD", &symref, head_sha1); | |
2242 | if (!symref) | |
2243 | return error("Remote HEAD is not a symref"); | |
2244 | ||
2245 | /* Remote branch must not be the remote HEAD */ | |
2246 | for (i=0; symref && i<MAXDEPTH; i++) { | |
2247 | if (!strcmp(remote_ref->name, symref)) | |
2248 | return error("Remote branch %s is the current HEAD", | |
2249 | remote_ref->name); | |
2250 | fetch_symref(symref, &symref, head_sha1); | |
2251 | } | |
2252 | ||
2253 | /* Run extra sanity checks if delete is not forced */ | |
2254 | if (!force) { | |
2255 | /* Remote HEAD must resolve to a known object */ | |
2256 | if (symref) | |
2257 | return error("Remote HEAD symrefs too deep"); | |
2258 | if (is_zero_sha1(head_sha1)) | |
2259 | return error("Unable to resolve remote HEAD"); | |
2260 | if (!has_sha1_file(head_sha1)) | |
2261 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1)); | |
2262 | ||
2263 | /* Remote branch must resolve to a known object */ | |
2264 | if (is_zero_sha1(remote_ref->old_sha1)) | |
2265 | return error("Unable to resolve remote branch %s", | |
2266 | remote_ref->name); | |
2267 | if (!has_sha1_file(remote_ref->old_sha1)) | |
2268 | 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)); | |
2269 | ||
2270 | /* Remote branch must be an ancestor of remote HEAD */ | |
2271 | if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) { | |
2272 | return error("The branch '%s' is not a strict subset of your current HEAD.\nIf you are sure you want to delete it, run:\n\t'git http-push -D %s %s'", remote_ref->name, remote->url, pattern); | |
2273 | } | |
2274 | } | |
2275 | ||
2276 | /* Send delete request */ | |
2277 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
2278 | url = xmalloc(strlen(remote->url) + strlen(remote_ref->name) + 1); | |
2279 | sprintf(url, "%s%s", remote->url, remote_ref->name); | |
2280 | slot = get_active_slot(); | |
2281 | slot->results = &results; | |
2282 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
2283 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
2284 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2285 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE); | |
2286 | if (start_active_slot(slot)) { | |
2287 | run_active_slot(slot); | |
2288 | free(url); | |
2289 | if (results.curl_result != CURLE_OK) | |
2290 | return error("DELETE request failed (%d/%ld)\n", | |
2291 | results.curl_result, results.http_code); | |
2292 | } else { | |
2293 | free(url); | |
2294 | return error("Unable to start DELETE request"); | |
2295 | } | |
2296 | ||
2297 | return 0; | |
2298 | } | |
2299 | ||
58e60dd2 NH |
2300 | int main(int argc, char **argv) |
2301 | { | |
58e60dd2 NH |
2302 | struct transfer_request *request; |
2303 | struct transfer_request *next_request; | |
2304 | int nr_refspec = 0; | |
2305 | char **refspec = NULL; | |
512d632c | 2306 | struct remote_lock *ref_lock = NULL; |
197e8951 | 2307 | struct remote_lock *info_ref_lock = NULL; |
aa1dbc98 | 2308 | struct rev_info revs; |
3dfaf7bc NH |
2309 | int delete_branch = 0; |
2310 | int force_delete = 0; | |
1a703cba | 2311 | int objects_to_send; |
58e60dd2 NH |
2312 | int rc = 0; |
2313 | int i; | |
8c9e7947 JH |
2314 | int new_refs; |
2315 | struct ref *ref; | |
58e60dd2 | 2316 | |
5a327713 | 2317 | setup_git_directory(); |
58e60dd2 NH |
2318 | setup_ident(); |
2319 | ||
512d632c | 2320 | remote = xcalloc(sizeof(*remote), 1); |
58e60dd2 NH |
2321 | |
2322 | argv++; | |
2323 | for (i = 1; i < argc; i++, argv++) { | |
2324 | char *arg = *argv; | |
2325 | ||
2326 | if (*arg == '-') { | |
aa1dbc98 | 2327 | if (!strcmp(arg, "--all")) { |
58e60dd2 NH |
2328 | push_all = 1; |
2329 | continue; | |
2330 | } | |
2331 | if (!strcmp(arg, "--force")) { | |
2332 | force_all = 1; | |
2333 | continue; | |
2334 | } | |
2335 | if (!strcmp(arg, "--verbose")) { | |
2336 | push_verbosely = 1; | |
2337 | continue; | |
2338 | } | |
3dfaf7bc NH |
2339 | if (!strcmp(arg, "-d")) { |
2340 | delete_branch = 1; | |
2341 | continue; | |
2342 | } | |
2343 | if (!strcmp(arg, "-D")) { | |
2344 | delete_branch = 1; | |
2345 | force_delete = 1; | |
2346 | continue; | |
2347 | } | |
58e60dd2 NH |
2348 | } |
2349 | if (!remote->url) { | |
aa1dbc98 | 2350 | char *path = strstr(arg, "//"); |
8c9e7947 | 2351 | remote->url = arg; |
aa1dbc98 NH |
2352 | if (path) { |
2353 | path = index(path+2, '/'); | |
2354 | if (path) | |
2355 | remote->path_len = strlen(path); | |
2356 | } | |
58e60dd2 NH |
2357 | continue; |
2358 | } | |
2359 | refspec = argv; | |
2360 | nr_refspec = argc - i; | |
2361 | break; | |
2362 | } | |
2363 | ||
3e9fabc8 NH |
2364 | if (!remote->url) |
2365 | usage(http_push_usage); | |
2366 | ||
3dfaf7bc NH |
2367 | if (delete_branch && nr_refspec != 1) |
2368 | die("You must specify only one branch name when deleting a remote branch"); | |
2369 | ||
aa1dbc98 | 2370 | memset(remote_dir_exists, -1, 256); |
0dd276b8 | 2371 | |
29508e1e | 2372 | http_init(); |
58e60dd2 NH |
2373 | |
2374 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
2375 | default_headers = curl_slist_append(default_headers, "Range:"); | |
2376 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
2377 | default_headers = curl_slist_append(default_headers, "If:"); | |
2378 | default_headers = curl_slist_append(default_headers, | |
2379 | "Pragma: no-cache"); | |
2380 | ||
58e60dd2 | 2381 | /* Verify DAV compliance/lock support */ |
acf59575 | 2382 | if (!locking_available()) { |
58e60dd2 NH |
2383 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); |
2384 | rc = 1; | |
2385 | goto cleanup; | |
2386 | } | |
2387 | ||
197e8951 NH |
2388 | /* Check whether the remote has server info files */ |
2389 | remote->can_update_info_refs = 0; | |
2390 | remote->has_info_refs = remote_exists("info/refs"); | |
2391 | remote->has_info_packs = remote_exists("objects/info/packs"); | |
2392 | if (remote->has_info_refs) { | |
2393 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
2394 | if (info_ref_lock) | |
2395 | remote->can_update_info_refs = 1; | |
2396 | } | |
2397 | if (remote->has_info_packs) | |
2398 | fetch_indices(); | |
2399 | ||
aa1dbc98 NH |
2400 | /* Get a list of all local and remote heads to validate refspecs */ |
2401 | get_local_heads(); | |
2402 | fprintf(stderr, "Fetching remote heads...\n"); | |
2403 | get_dav_remote_heads(); | |
2404 | ||
3dfaf7bc NH |
2405 | /* Remove a remote branch if -d or -D was specified */ |
2406 | if (delete_branch) { | |
2407 | if (delete_remote_branch(refspec[0], force_delete) == -1) | |
2408 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
2409 | refspec[0]); | |
2410 | goto cleanup; | |
2411 | } | |
2412 | ||
aa1dbc98 NH |
2413 | /* match them up */ |
2414 | if (!remote_tail) | |
2415 | remote_tail = &remote_refs; | |
2416 | if (match_refs(local_refs, remote_refs, &remote_tail, | |
2417 | nr_refspec, refspec, push_all)) | |
2418 | return -1; | |
2419 | if (!remote_refs) { | |
2420 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
2421 | return 0; | |
2422 | } | |
2423 | ||
8c9e7947 | 2424 | new_refs = 0; |
aa1dbc98 NH |
2425 | for (ref = remote_refs; ref; ref = ref->next) { |
2426 | char old_hex[60], *new_hex; | |
8c9e7947 JH |
2427 | const char *commit_argv[4]; |
2428 | int commit_argc; | |
2429 | char *new_sha1_hex, *old_sha1_hex; | |
2430 | ||
aa1dbc98 NH |
2431 | if (!ref->peer_ref) |
2432 | continue; | |
2433 | if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) { | |
2434 | if (push_verbosely || 1) | |
2435 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
2436 | continue; | |
2437 | } | |
2438 | ||
2439 | if (!force_all && | |
2440 | !is_zero_sha1(ref->old_sha1) && | |
2441 | !ref->force) { | |
2442 | if (!has_sha1_file(ref->old_sha1) || | |
2443 | !ref_newer(ref->peer_ref->new_sha1, | |
2444 | ref->old_sha1)) { | |
2445 | /* We do not have the remote ref, or | |
2446 | * we know that the remote ref is not | |
2447 | * an ancestor of what we are trying to | |
2448 | * push. Either way this can be losing | |
2449 | * commits at the remote end and likely | |
2450 | * we were not up to date to begin with. | |
2451 | */ | |
2452 | error("remote '%s' is not a strict " | |
2453 | "subset of local ref '%s'. " | |
2454 | "maybe you are not up-to-date and " | |
2455 | "need to pull first?", | |
2456 | ref->name, | |
2457 | ref->peer_ref->name); | |
1a703cba | 2458 | rc = -2; |
aa1dbc98 NH |
2459 | continue; |
2460 | } | |
58e60dd2 | 2461 | } |
aa1dbc98 NH |
2462 | memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20); |
2463 | if (is_zero_sha1(ref->new_sha1)) { | |
2464 | error("cannot happen anymore"); | |
1a703cba | 2465 | rc = -3; |
aa1dbc98 | 2466 | continue; |
58e60dd2 | 2467 | } |
aa1dbc98 NH |
2468 | new_refs++; |
2469 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
2470 | new_hex = sha1_to_hex(ref->new_sha1); | |
2471 | ||
2472 | fprintf(stderr, "updating '%s'", ref->name); | |
2473 | if (strcmp(ref->name, ref->peer_ref->name)) | |
2474 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
2475 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
2476 | ||
58e60dd2 NH |
2477 | |
2478 | /* Lock remote branch ref */ | |
aa1dbc98 NH |
2479 | ref_lock = lock_remote(ref->name, LOCK_TIME); |
2480 | if (ref_lock == NULL) { | |
58e60dd2 | 2481 | fprintf(stderr, "Unable to lock remote branch %s\n", |
aa1dbc98 | 2482 | ref->name); |
58e60dd2 NH |
2483 | rc = 1; |
2484 | continue; | |
2485 | } | |
2486 | ||
aa1dbc98 | 2487 | /* Set up revision info for this refspec */ |
8c9e7947 JH |
2488 | commit_argc = 3; |
2489 | new_sha1_hex = strdup(sha1_to_hex(ref->new_sha1)); | |
2490 | old_sha1_hex = NULL; | |
5241bfe6 NH |
2491 | commit_argv[1] = "--objects"; |
2492 | commit_argv[2] = new_sha1_hex; | |
aa1dbc98 NH |
2493 | if (!push_all && !is_zero_sha1(ref->old_sha1)) { |
2494 | old_sha1_hex = xmalloc(42); | |
2495 | sprintf(old_sha1_hex, "^%s", | |
2496 | sha1_to_hex(ref->old_sha1)); | |
5241bfe6 | 2497 | commit_argv[3] = old_sha1_hex; |
aa1dbc98 | 2498 | commit_argc++; |
58e60dd2 | 2499 | } |
aa1dbc98 | 2500 | setup_revisions(commit_argc, commit_argv, &revs, NULL); |
aa1dbc98 NH |
2501 | free(new_sha1_hex); |
2502 | if (old_sha1_hex) { | |
2503 | free(old_sha1_hex); | |
2504 | commit_argv[1] = NULL; | |
58e60dd2 NH |
2505 | } |
2506 | ||
aa1dbc98 | 2507 | /* Generate a list of objects that need to be pushed */ |
58e60dd2 | 2508 | pushing = 0; |
aa1dbc98 NH |
2509 | prepare_revision_walk(&revs); |
2510 | mark_edges_uninteresting(revs.commits); | |
1a703cba | 2511 | objects_to_send = get_delta(&revs, ref_lock); |
29508e1e | 2512 | finish_all_active_slots(); |
58e60dd2 NH |
2513 | |
2514 | /* Push missing objects to remote, this would be a | |
2515 | convenient time to pack them first if appropriate. */ | |
2516 | pushing = 1; | |
1a703cba NH |
2517 | if (objects_to_send) |
2518 | fprintf(stderr, " sending %d objects\n", | |
2519 | objects_to_send); | |
29508e1e NH |
2520 | fill_active_slots(); |
2521 | finish_all_active_slots(); | |
58e60dd2 NH |
2522 | |
2523 | /* Update the remote branch if all went well */ | |
aa1dbc98 NH |
2524 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) { |
2525 | rc = 1; | |
2526 | goto unlock; | |
58e60dd2 NH |
2527 | } |
2528 | ||
2529 | unlock: | |
aa1dbc98 NH |
2530 | if (!rc) |
2531 | fprintf(stderr, " done\n"); | |
2532 | unlock_remote(ref_lock); | |
512d632c | 2533 | check_locks(); |
58e60dd2 NH |
2534 | } |
2535 | ||
197e8951 NH |
2536 | /* Update remote server info if appropriate */ |
2537 | if (remote->has_info_refs && new_refs) { | |
2538 | if (info_ref_lock && remote->can_update_info_refs) { | |
2539 | fprintf(stderr, "Updating remote server info\n"); | |
2540 | update_remote_info_refs(info_ref_lock); | |
2541 | } else { | |
2542 | fprintf(stderr, "Unable to update server info\n"); | |
2543 | } | |
2544 | } | |
2545 | if (info_ref_lock) | |
2546 | unlock_remote(info_ref_lock); | |
2547 | ||
58e60dd2 NH |
2548 | cleanup: |
2549 | free(remote); | |
2550 | ||
2551 | curl_slist_free_all(no_pragma_header); | |
2552 | curl_slist_free_all(default_headers); | |
2553 | ||
29508e1e | 2554 | http_cleanup(); |
58e60dd2 NH |
2555 | |
2556 | request = request_queue_head; | |
2557 | while (request != NULL) { | |
2558 | next_request = request->next; | |
2559 | release_request(request); | |
58e60dd2 NH |
2560 | request = next_request; |
2561 | } | |
2562 | ||
58e60dd2 NH |
2563 | return rc; |
2564 | } |