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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" | |
29508e1e | 10 | |
bee8e79d | 11 | #include <expat.h> |
58e60dd2 NH |
12 | |
13 | static const char http_push_usage[] = | |
14 | "git-http-push [--complete] [--force] [--verbose] <url> <ref> [<ref>...]\n"; | |
15 | ||
92e2eb9c JS |
16 | #ifndef XML_STATUS_OK |
17 | enum XML_Status { | |
18 | XML_STATUS_OK = 1, | |
19 | XML_STATUS_ERROR = 0 | |
20 | }; | |
21 | #define XML_STATUS_OK 1 | |
22 | #define XML_STATUS_ERROR 0 | |
23 | #endif | |
24 | ||
58e60dd2 NH |
25 | #define RANGE_HEADER_SIZE 30 |
26 | ||
acf59575 | 27 | /* DAV methods */ |
58e60dd2 NH |
28 | #define DAV_LOCK "LOCK" |
29 | #define DAV_MKCOL "MKCOL" | |
30 | #define DAV_MOVE "MOVE" | |
31 | #define DAV_PROPFIND "PROPFIND" | |
32 | #define DAV_PUT "PUT" | |
33 | #define DAV_UNLOCK "UNLOCK" | |
acf59575 NH |
34 | |
35 | /* DAV lock flags */ | |
36 | #define DAV_PROP_LOCKWR (1u << 0) | |
37 | #define DAV_PROP_LOCKEX (1u << 1) | |
38 | #define DAV_LOCK_OK (1u << 2) | |
39 | ||
40 | /* DAV XML properties */ | |
41 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
42 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
43 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
44 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
45 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
46 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
aa1dbc98 NH |
47 | #define DAV_PROPFIND_RESP ".multistatus.response" |
48 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
49 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
acf59575 NH |
50 | |
51 | /* DAV request body templates */ | |
aa1dbc98 NH |
52 | #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>" |
53 | #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 |
54 | #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>" |
55 | ||
75187c9d NH |
56 | #define LOCK_TIME 600 |
57 | #define LOCK_REFRESH 30 | |
58 | ||
aa1dbc98 NH |
59 | /* bits #0-4 in revision.h */ |
60 | ||
61 | #define LOCAL (1u << 5) | |
62 | #define REMOTE (1u << 6) | |
63 | #define PUSHING (1u << 7) | |
64 | ||
58e60dd2 NH |
65 | static int pushing = 0; |
66 | static int aborted = 0; | |
0dd276b8 | 67 | static char remote_dir_exists[256]; |
58e60dd2 | 68 | |
58e60dd2 NH |
69 | static struct curl_slist *no_pragma_header; |
70 | static struct curl_slist *default_headers; | |
58e60dd2 NH |
71 | |
72 | static int push_verbosely = 0; | |
73 | static int push_all = 0; | |
74 | static int force_all = 0; | |
75 | ||
aa1dbc98 NH |
76 | static struct object_list *objects = NULL; |
77 | ||
58e60dd2 NH |
78 | struct repo |
79 | { | |
80 | char *url; | |
aa1dbc98 | 81 | int path_len; |
58e60dd2 NH |
82 | struct packed_git *packs; |
83 | }; | |
84 | ||
85 | static struct repo *remote = NULL; | |
aa1dbc98 | 86 | static struct remote_lock *remote_locks = NULL; |
58e60dd2 NH |
87 | |
88 | enum transfer_state { | |
58e60dd2 NH |
89 | NEED_PUSH, |
90 | RUN_MKCOL, | |
91 | RUN_PUT, | |
92 | RUN_MOVE, | |
93 | ABORTED, | |
94 | COMPLETE, | |
95 | }; | |
96 | ||
97 | struct transfer_request | |
98 | { | |
aa1dbc98 | 99 | struct object *obj; |
58e60dd2 NH |
100 | char *url; |
101 | char *dest; | |
aa1dbc98 | 102 | struct remote_lock *lock; |
58e60dd2 NH |
103 | struct curl_slist *headers; |
104 | struct buffer buffer; | |
105 | char filename[PATH_MAX]; | |
106 | char tmpfile[PATH_MAX]; | |
107 | enum transfer_state state; | |
108 | CURLcode curl_result; | |
109 | char errorstr[CURL_ERROR_SIZE]; | |
110 | long http_code; | |
111 | unsigned char real_sha1[20]; | |
112 | SHA_CTX c; | |
113 | z_stream stream; | |
114 | int zret; | |
115 | int rename; | |
116 | struct active_request_slot *slot; | |
117 | struct transfer_request *next; | |
118 | }; | |
119 | ||
58e60dd2 | 120 | static struct transfer_request *request_queue_head = NULL; |
58e60dd2 | 121 | |
acf59575 NH |
122 | struct xml_ctx |
123 | { | |
124 | char *name; | |
125 | int len; | |
126 | char *cdata; | |
127 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
128 | void *userData; | |
129 | }; | |
130 | ||
aa1dbc98 | 131 | struct remote_lock |
26349b2e | 132 | { |
75187c9d | 133 | char *url; |
26349b2e | 134 | char *owner; |
75187c9d | 135 | char *token; |
26349b2e NH |
136 | time_t start_time; |
137 | long timeout; | |
aa1dbc98 | 138 | int active; |
75187c9d | 139 | int refreshing; |
aa1dbc98 NH |
140 | struct remote_lock *next; |
141 | }; | |
142 | ||
143 | struct remote_dentry | |
144 | { | |
145 | char *base; | |
146 | char *name; | |
147 | int is_dir; | |
26349b2e NH |
148 | }; |
149 | ||
29508e1e | 150 | static void finish_request(struct transfer_request *request); |
58e60dd2 | 151 | |
29508e1e | 152 | static void process_response(void *callback_data) |
58e60dd2 | 153 | { |
29508e1e NH |
154 | struct transfer_request *request = |
155 | (struct transfer_request *)callback_data; | |
58e60dd2 | 156 | |
29508e1e | 157 | finish_request(request); |
58e60dd2 NH |
158 | } |
159 | ||
58e60dd2 NH |
160 | static void start_mkcol(struct transfer_request *request) |
161 | { | |
aa1dbc98 | 162 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
163 | struct active_request_slot *slot; |
164 | char *posn; | |
165 | ||
166 | request->url = xmalloc(strlen(remote->url) + 13); | |
167 | strcpy(request->url, remote->url); | |
168 | posn = request->url + strlen(remote->url); | |
169 | strcpy(posn, "objects/"); | |
170 | posn += 8; | |
171 | memcpy(posn, hex, 2); | |
172 | posn += 2; | |
173 | strcpy(posn, "/"); | |
174 | ||
175 | slot = get_active_slot(); | |
29508e1e NH |
176 | slot->callback_func = process_response; |
177 | slot->callback_data = request; | |
58e60dd2 NH |
178 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
179 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
180 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
181 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
182 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
183 | ||
184 | if (start_active_slot(slot)) { | |
185 | request->slot = slot; | |
186 | request->state = RUN_MKCOL; | |
187 | } else { | |
188 | request->state = ABORTED; | |
189 | free(request->url); | |
7b899967 | 190 | request->url = NULL; |
58e60dd2 NH |
191 | } |
192 | } | |
193 | ||
194 | static void start_put(struct transfer_request *request) | |
195 | { | |
aa1dbc98 | 196 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
197 | struct active_request_slot *slot; |
198 | char *posn; | |
199 | char type[20]; | |
200 | char hdr[50]; | |
201 | void *unpacked; | |
202 | unsigned long len; | |
203 | int hdrlen; | |
204 | ssize_t size; | |
205 | z_stream stream; | |
206 | ||
aa1dbc98 | 207 | unpacked = read_sha1_file(request->obj->sha1, type, &len); |
58e60dd2 NH |
208 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; |
209 | ||
210 | /* Set it up */ | |
211 | memset(&stream, 0, sizeof(stream)); | |
212 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
213 | size = deflateBound(&stream, len + hdrlen); | |
214 | request->buffer.buffer = xmalloc(size); | |
215 | ||
216 | /* Compress it */ | |
217 | stream.next_out = request->buffer.buffer; | |
218 | stream.avail_out = size; | |
219 | ||
220 | /* First header.. */ | |
221 | stream.next_in = (void *)hdr; | |
222 | stream.avail_in = hdrlen; | |
223 | while (deflate(&stream, 0) == Z_OK) | |
224 | /* nothing */; | |
225 | ||
226 | /* Then the data itself.. */ | |
227 | stream.next_in = unpacked; | |
228 | stream.avail_in = len; | |
229 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
230 | /* nothing */; | |
231 | deflateEnd(&stream); | |
232 | free(unpacked); | |
233 | ||
234 | request->buffer.size = stream.total_out; | |
235 | request->buffer.posn = 0; | |
236 | ||
58e60dd2 | 237 | request->url = xmalloc(strlen(remote->url) + |
26349b2e | 238 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
239 | strcpy(request->url, remote->url); |
240 | posn = request->url + strlen(remote->url); | |
241 | strcpy(posn, "objects/"); | |
242 | posn += 8; | |
243 | memcpy(posn, hex, 2); | |
244 | posn += 2; | |
245 | *(posn++) = '/'; | |
246 | strcpy(posn, hex + 2); | |
247 | request->dest = xmalloc(strlen(request->url) + 14); | |
248 | sprintf(request->dest, "Destination: %s", request->url); | |
249 | posn += 38; | |
250 | *(posn++) = '.'; | |
26349b2e | 251 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
252 | |
253 | slot = get_active_slot(); | |
29508e1e NH |
254 | slot->callback_func = process_response; |
255 | slot->callback_data = request; | |
58e60dd2 NH |
256 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); |
257 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
258 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
259 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
260 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
261 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
262 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
263 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
264 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
265 | ||
266 | if (start_active_slot(slot)) { | |
267 | request->slot = slot; | |
268 | request->state = RUN_PUT; | |
269 | } else { | |
270 | request->state = ABORTED; | |
271 | free(request->url); | |
7b899967 | 272 | request->url = NULL; |
58e60dd2 NH |
273 | } |
274 | } | |
275 | ||
276 | static void start_move(struct transfer_request *request) | |
277 | { | |
278 | struct active_request_slot *slot; | |
279 | struct curl_slist *dav_headers = NULL; | |
280 | ||
281 | slot = get_active_slot(); | |
29508e1e NH |
282 | slot->callback_func = process_response; |
283 | slot->callback_data = request; | |
58e60dd2 NH |
284 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
285 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
286 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
287 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
288 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
289 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
290 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
291 | ||
292 | if (start_active_slot(slot)) { | |
293 | request->slot = slot; | |
294 | request->state = RUN_MOVE; | |
295 | } else { | |
296 | request->state = ABORTED; | |
297 | free(request->url); | |
7b899967 | 298 | request->url = NULL; |
58e60dd2 NH |
299 | } |
300 | } | |
301 | ||
aa1dbc98 | 302 | static int refresh_lock(struct remote_lock *check_lock) |
75187c9d NH |
303 | { |
304 | struct active_request_slot *slot; | |
305 | char *if_header; | |
306 | char timeout_header[25]; | |
307 | struct curl_slist *dav_headers = NULL; | |
aa1dbc98 NH |
308 | struct remote_lock *lock; |
309 | int time_remaining; | |
310 | time_t current_time; | |
75187c9d | 311 | |
aa1dbc98 NH |
312 | /* Refresh all active locks if they're close to expiring */ |
313 | for (lock = remote_locks; lock; lock = lock->next) { | |
314 | if (!lock->active) | |
315 | continue; | |
75187c9d | 316 | |
aa1dbc98 NH |
317 | current_time = time(NULL); |
318 | time_remaining = lock->start_time + lock->timeout | |
319 | - current_time; | |
320 | if (time_remaining > LOCK_REFRESH) | |
321 | continue; | |
75187c9d | 322 | |
aa1dbc98 | 323 | lock->refreshing = 1; |
75187c9d | 324 | |
aa1dbc98 NH |
325 | if_header = xmalloc(strlen(lock->token) + 25); |
326 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
327 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
328 | dav_headers = curl_slist_append(dav_headers, if_header); | |
329 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
330 | ||
331 | slot = get_active_slot(); | |
332 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
333 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
334 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
335 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
336 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
337 | ||
338 | if (start_active_slot(slot)) { | |
339 | run_active_slot(slot); | |
340 | if (slot->curl_result != CURLE_OK) { | |
341 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
342 | lock->active = 0; | |
343 | } else { | |
344 | lock->active = 1; | |
345 | lock->start_time = time(NULL); | |
346 | } | |
75187c9d | 347 | } |
aa1dbc98 NH |
348 | |
349 | lock->refreshing = 0; | |
350 | curl_slist_free_all(dav_headers); | |
351 | free(if_header); | |
75187c9d NH |
352 | } |
353 | ||
aa1dbc98 NH |
354 | if (check_lock) |
355 | return check_lock->active; | |
356 | else | |
357 | return 0; | |
358 | } | |
75187c9d | 359 | |
aa1dbc98 NH |
360 | static void release_request(struct transfer_request *request) |
361 | { | |
362 | struct transfer_request *entry = request_queue_head; | |
363 | ||
364 | if (request == request_queue_head) { | |
365 | request_queue_head = request->next; | |
366 | } else { | |
367 | while (entry->next != NULL && entry->next != request) | |
368 | entry = entry->next; | |
369 | if (entry->next == request) | |
370 | entry->next = entry->next->next; | |
371 | } | |
372 | ||
373 | if (request->url != NULL) | |
374 | free(request->url); | |
375 | free(request); | |
75187c9d NH |
376 | } |
377 | ||
58e60dd2 NH |
378 | static void finish_request(struct transfer_request *request) |
379 | { | |
380 | request->curl_result = request->slot->curl_result; | |
381 | request->http_code = request->slot->http_code; | |
382 | request->slot = NULL; | |
75187c9d | 383 | |
aa1dbc98 NH |
384 | /* Keep locks active */ |
385 | refresh_lock(request->lock); | |
75187c9d | 386 | |
58e60dd2 NH |
387 | if (request->headers != NULL) |
388 | curl_slist_free_all(request->headers); | |
7b899967 NH |
389 | |
390 | /* URL is reused for MOVE after PUT */ | |
391 | if (request->state != RUN_PUT) { | |
392 | free(request->url); | |
393 | request->url = NULL; | |
aa1dbc98 | 394 | } |
7b899967 | 395 | |
aa1dbc98 | 396 | if (request->state == RUN_MKCOL) { |
58e60dd2 NH |
397 | if (request->curl_result == CURLE_OK || |
398 | request->http_code == 405) { | |
aa1dbc98 | 399 | remote_dir_exists[request->obj->sha1[0]] = 1; |
58e60dd2 NH |
400 | start_put(request); |
401 | } else { | |
402 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 403 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
404 | request->curl_result, request->http_code); |
405 | request->state = ABORTED; | |
406 | aborted = 1; | |
407 | } | |
408 | } else if (request->state == RUN_PUT) { | |
409 | if (request->curl_result == CURLE_OK) { | |
410 | start_move(request); | |
411 | } else { | |
412 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 413 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
414 | request->curl_result, request->http_code); |
415 | request->state = ABORTED; | |
416 | aborted = 1; | |
417 | } | |
418 | } else if (request->state == RUN_MOVE) { | |
419 | if (request->curl_result == CURLE_OK) { | |
aa1dbc98 NH |
420 | fprintf(stderr, " sent %s\n", |
421 | sha1_to_hex(request->obj->sha1)); | |
58e60dd2 | 422 | request->state = COMPLETE; |
aa1dbc98 NH |
423 | request->obj->flags |= REMOTE; |
424 | release_request(request); | |
58e60dd2 NH |
425 | } else { |
426 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 427 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
428 | request->curl_result, request->http_code); |
429 | request->state = ABORTED; | |
430 | aborted = 1; | |
431 | } | |
432 | } | |
433 | } | |
434 | ||
29508e1e | 435 | void fill_active_slots(void) |
58e60dd2 NH |
436 | { |
437 | struct transfer_request *request = request_queue_head; | |
438 | struct active_request_slot *slot = active_queue_head; | |
439 | int num_transfers; | |
440 | ||
441 | if (aborted) | |
442 | return; | |
443 | ||
444 | while (active_requests < max_requests && request != NULL) { | |
aa1dbc98 NH |
445 | if (pushing && request->state == NEED_PUSH) { |
446 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { | |
0dd276b8 | 447 | start_put(request); |
aa1dbc98 | 448 | } else { |
0dd276b8 | 449 | start_mkcol(request); |
aa1dbc98 | 450 | } |
58e60dd2 NH |
451 | curl_multi_perform(curlm, &num_transfers); |
452 | } | |
453 | request = request->next; | |
454 | } | |
455 | ||
456 | while (slot != NULL) { | |
457 | if (!slot->in_use && slot->curl != NULL) { | |
458 | curl_easy_cleanup(slot->curl); | |
459 | slot->curl = NULL; | |
460 | } | |
461 | slot = slot->next; | |
aa1dbc98 | 462 | } |
58e60dd2 | 463 | } |
58e60dd2 | 464 | |
aa1dbc98 NH |
465 | static void get_remote_object_list(unsigned char parent); |
466 | ||
467 | static void add_request(struct object *obj, struct remote_lock *lock) | |
58e60dd2 NH |
468 | { |
469 | struct transfer_request *request = request_queue_head; | |
58e60dd2 | 470 | struct packed_git *target; |
58e60dd2 | 471 | |
aa1dbc98 NH |
472 | /* |
473 | * Don't push the object if it's known to exist on the remote | |
474 | * or is already in the request queue | |
475 | */ | |
476 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
477 | get_remote_object_list(obj->sha1[0]); | |
478 | if (obj->flags & (REMOTE | PUSHING)) | |
479 | return; | |
480 | target = find_sha1_pack(obj->sha1, remote->packs); | |
481 | if (target) { | |
482 | obj->flags |= REMOTE; | |
58e60dd2 | 483 | return; |
aa1dbc98 | 484 | } |
58e60dd2 | 485 | |
aa1dbc98 | 486 | obj->flags |= PUSHING; |
58e60dd2 | 487 | request = xmalloc(sizeof(*request)); |
aa1dbc98 | 488 | request->obj = obj; |
58e60dd2 | 489 | request->url = NULL; |
26349b2e | 490 | request->lock = lock; |
58e60dd2 | 491 | request->headers = NULL; |
aa1dbc98 | 492 | request->state = NEED_PUSH; |
c17fb6ee NH |
493 | request->next = request_queue_head; |
494 | request_queue_head = request; | |
29508e1e NH |
495 | |
496 | fill_active_slots(); | |
497 | step_active_slots(); | |
58e60dd2 NH |
498 | } |
499 | ||
500 | static int fetch_index(unsigned char *sha1) | |
501 | { | |
502 | char *hex = sha1_to_hex(sha1); | |
503 | char *filename; | |
504 | char *url; | |
505 | char tmpfile[PATH_MAX]; | |
506 | long prev_posn = 0; | |
507 | char range[RANGE_HEADER_SIZE]; | |
508 | struct curl_slist *range_header = NULL; | |
509 | ||
510 | FILE *indexfile; | |
511 | struct active_request_slot *slot; | |
512 | ||
c17fb6ee NH |
513 | /* Don't use the index if the pack isn't there */ |
514 | url = xmalloc(strlen(remote->url) + 65); | |
515 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
516 | slot = get_active_slot(); | |
517 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
518 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
519 | if (start_active_slot(slot)) { | |
520 | run_active_slot(slot); | |
521 | if (slot->curl_result != CURLE_OK) { | |
522 | free(url); | |
523 | return error("Unable to verify pack %s is available", | |
524 | hex); | |
525 | } | |
526 | } else { | |
527 | return error("Unable to start request"); | |
528 | } | |
529 | ||
58e60dd2 NH |
530 | if (has_pack_index(sha1)) |
531 | return 0; | |
532 | ||
533 | if (push_verbosely) | |
534 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
535 | ||
58e60dd2 NH |
536 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
537 | ||
538 | filename = sha1_pack_index_name(sha1); | |
539 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
540 | indexfile = fopen(tmpfile, "a"); | |
541 | if (!indexfile) | |
542 | return error("Unable to open local file %s for pack index", | |
543 | filename); | |
544 | ||
545 | slot = get_active_slot(); | |
c17fb6ee NH |
546 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
547 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
548 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
549 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
550 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
551 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
552 | slot->local = indexfile; | |
553 | ||
554 | /* If there is data present from a previous transfer attempt, | |
555 | resume where it left off */ | |
556 | prev_posn = ftell(indexfile); | |
557 | if (prev_posn>0) { | |
558 | if (push_verbosely) | |
559 | fprintf(stderr, | |
560 | "Resuming fetch of index for pack %s at byte %ld\n", | |
561 | hex, prev_posn); | |
562 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
563 | range_header = curl_slist_append(range_header, range); | |
564 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
565 | } | |
566 | ||
567 | if (start_active_slot(slot)) { | |
568 | run_active_slot(slot); | |
569 | if (slot->curl_result != CURLE_OK) { | |
570 | free(url); | |
571 | fclose(indexfile); | |
572 | return error("Unable to get pack index %s\n%s", url, | |
573 | curl_errorstr); | |
574 | } | |
575 | } else { | |
576 | free(url); | |
7b899967 | 577 | fclose(indexfile); |
58e60dd2 NH |
578 | return error("Unable to start request"); |
579 | } | |
580 | ||
581 | free(url); | |
582 | fclose(indexfile); | |
583 | ||
584 | return move_temp_to_file(tmpfile, filename); | |
585 | } | |
586 | ||
587 | static int setup_index(unsigned char *sha1) | |
588 | { | |
589 | struct packed_git *new_pack; | |
58e60dd2 NH |
590 | |
591 | if (fetch_index(sha1)) | |
592 | return -1; | |
593 | ||
594 | new_pack = parse_pack_index(sha1); | |
595 | new_pack->next = remote->packs; | |
596 | remote->packs = new_pack; | |
597 | return 0; | |
598 | } | |
599 | ||
f4f440a0 | 600 | static int fetch_indices(void) |
58e60dd2 NH |
601 | { |
602 | unsigned char sha1[20]; | |
603 | char *url; | |
604 | struct buffer buffer; | |
605 | char *data; | |
606 | int i = 0; | |
607 | ||
608 | struct active_request_slot *slot; | |
609 | ||
610 | data = xmalloc(4096); | |
611 | memset(data, 0, 4096); | |
612 | buffer.size = 4096; | |
613 | buffer.posn = 0; | |
614 | buffer.buffer = data; | |
615 | ||
616 | if (push_verbosely) | |
617 | fprintf(stderr, "Getting pack list\n"); | |
618 | ||
619 | url = xmalloc(strlen(remote->url) + 21); | |
620 | sprintf(url, "%s/objects/info/packs", remote->url); | |
621 | ||
622 | slot = get_active_slot(); | |
623 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 624 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
625 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
626 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
627 | if (start_active_slot(slot)) { | |
628 | run_active_slot(slot); | |
629 | if (slot->curl_result != CURLE_OK) { | |
630 | free(buffer.buffer); | |
631 | free(url); | |
632 | if (slot->http_code == 404) | |
633 | return 0; | |
634 | else | |
635 | return error("%s", curl_errorstr); | |
636 | } | |
637 | } else { | |
638 | free(buffer.buffer); | |
639 | free(url); | |
640 | return error("Unable to start request"); | |
641 | } | |
642 | free(url); | |
643 | ||
644 | data = buffer.buffer; | |
645 | while (i < buffer.posn) { | |
646 | switch (data[i]) { | |
647 | case 'P': | |
648 | i++; | |
649 | if (i + 52 < buffer.posn && | |
650 | !strncmp(data + i, " pack-", 6) && | |
651 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
652 | get_sha1_hex(data + i + 6, sha1); | |
653 | setup_index(sha1); | |
654 | i += 51; | |
655 | break; | |
656 | } | |
657 | default: | |
658 | while (data[i] != '\n') | |
659 | i++; | |
660 | } | |
661 | i++; | |
662 | } | |
663 | ||
664 | free(buffer.buffer); | |
665 | return 0; | |
666 | } | |
667 | ||
668 | static inline int needs_quote(int ch) | |
669 | { | |
670 | switch (ch) { | |
671 | case '/': case '-': case '.': | |
672 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
673 | return 0; | |
674 | default: | |
675 | return 1; | |
676 | } | |
677 | } | |
678 | ||
679 | static inline int hex(int v) | |
680 | { | |
681 | if (v < 10) return '0' + v; | |
682 | else return 'A' + v - 10; | |
683 | } | |
684 | ||
685 | static char *quote_ref_url(const char *base, const char *ref) | |
686 | { | |
687 | const char *cp; | |
688 | char *dp, *qref; | |
689 | int len, baselen, ch; | |
690 | ||
691 | baselen = strlen(base); | |
aa1dbc98 | 692 | len = baselen + 1; |
58e60dd2 NH |
693 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
694 | if (needs_quote(ch)) | |
695 | len += 2; /* extra two hex plus replacement % */ | |
696 | qref = xmalloc(len); | |
697 | memcpy(qref, base, baselen); | |
aa1dbc98 | 698 | for (cp = ref, dp = qref + baselen; (ch = *cp) != 0; cp++) { |
58e60dd2 NH |
699 | if (needs_quote(ch)) { |
700 | *dp++ = '%'; | |
701 | *dp++ = hex((ch >> 4) & 0xF); | |
702 | *dp++ = hex(ch & 0xF); | |
703 | } | |
704 | else | |
705 | *dp++ = ch; | |
706 | } | |
707 | *dp = 0; | |
708 | ||
709 | return qref; | |
710 | } | |
711 | ||
712 | int fetch_ref(char *ref, unsigned char *sha1) | |
713 | { | |
714 | char *url; | |
715 | char hex[42]; | |
716 | struct buffer buffer; | |
717 | char *base = remote->url; | |
718 | struct active_request_slot *slot; | |
719 | buffer.size = 41; | |
720 | buffer.posn = 0; | |
721 | buffer.buffer = hex; | |
722 | hex[41] = '\0'; | |
723 | ||
724 | url = quote_ref_url(base, ref); | |
725 | slot = get_active_slot(); | |
726 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 727 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
728 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); |
729 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
730 | if (start_active_slot(slot)) { | |
731 | run_active_slot(slot); | |
732 | if (slot->curl_result != CURLE_OK) | |
733 | return error("Couldn't get %s for %s\n%s", | |
734 | url, ref, curl_errorstr); | |
735 | } else { | |
736 | return error("Unable to start request"); | |
737 | } | |
738 | ||
739 | hex[40] = '\0'; | |
740 | get_sha1_hex(hex, sha1); | |
741 | return 0; | |
742 | } | |
743 | ||
aa1dbc98 NH |
744 | static void one_remote_object(const char *hex) |
745 | { | |
746 | unsigned char sha1[20]; | |
747 | struct object *obj; | |
748 | ||
749 | if (get_sha1_hex(hex, sha1) != 0) | |
750 | return; | |
751 | ||
752 | obj = lookup_object(sha1); | |
753 | if (!obj) | |
754 | obj = parse_object(sha1); | |
755 | ||
756 | /* Ignore remote objects that don't exist locally */ | |
757 | if (!obj) | |
758 | return; | |
759 | ||
760 | obj->flags |= REMOTE; | |
761 | if (!object_list_contains(objects, obj)) | |
762 | add_object(obj, &objects, NULL, ""); | |
763 | } | |
764 | ||
acf59575 | 765 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 766 | { |
acf59575 NH |
767 | int *lock_flags = (int *)ctx->userData; |
768 | ||
769 | if (tag_closed) { | |
770 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
771 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
772 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
773 | *lock_flags |= DAV_LOCK_OK; | |
774 | } | |
775 | *lock_flags &= DAV_LOCK_OK; | |
776 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
777 | *lock_flags |= DAV_PROP_LOCKWR; | |
778 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
779 | *lock_flags |= DAV_PROP_LOCKEX; | |
780 | } | |
781 | } | |
26349b2e NH |
782 | } |
783 | ||
acf59575 | 784 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 785 | { |
aa1dbc98 | 786 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; |
acf59575 NH |
787 | |
788 | if (tag_closed && ctx->cdata) { | |
789 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
790 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
791 | strcpy(lock->owner, ctx->cdata); | |
792 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
793 | if (!strncmp(ctx->cdata, "Second-", 7)) | |
794 | lock->timeout = | |
795 | strtol(ctx->cdata + 7, NULL, 10); | |
796 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
797 | if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) { | |
3e2f62be | 798 | lock->token = xmalloc(strlen(ctx->cdata) - 15); |
acf59575 NH |
799 | strcpy(lock->token, ctx->cdata + 16); |
800 | } | |
801 | } | |
26349b2e NH |
802 | } |
803 | } | |
804 | ||
aa1dbc98 NH |
805 | static void one_remote_ref(char *refname); |
806 | static void crawl_remote_refs(char *path); | |
807 | ||
808 | static void handle_crawl_ref_ctx(struct xml_ctx *ctx, int tag_closed) | |
809 | { | |
810 | struct remote_dentry *dentry = (struct remote_dentry *)ctx->userData; | |
811 | ||
812 | ||
813 | if (tag_closed) { | |
814 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && dentry->name) { | |
815 | if (dentry->is_dir) { | |
816 | if (strcmp(dentry->name, dentry->base)) { | |
817 | crawl_remote_refs(dentry->name); | |
818 | } | |
819 | } else { | |
820 | one_remote_ref(dentry->name); | |
821 | } | |
822 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
823 | dentry->name = xmalloc(strlen(ctx->cdata) - | |
824 | remote->path_len + 1); | |
825 | strcpy(dentry->name, | |
826 | ctx->cdata + remote->path_len); | |
827 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
828 | dentry->is_dir = 1; | |
829 | } | |
830 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
831 | dentry->name = NULL; | |
832 | dentry->is_dir = 0; | |
833 | } | |
834 | } | |
835 | ||
836 | static void handle_remote_object_list_ctx(struct xml_ctx *ctx, int tag_closed) | |
837 | { | |
838 | char *path; | |
839 | char *obj_hex; | |
840 | ||
841 | if (tag_closed) { | |
842 | if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
843 | path = ctx->cdata + remote->path_len; | |
844 | if (strlen(path) != 50) | |
845 | return; | |
846 | path += 9; | |
847 | obj_hex = xmalloc(strlen(path)); | |
848 | strncpy(obj_hex, path, 2); | |
849 | strcpy(obj_hex + 2, path + 3); | |
850 | one_remote_object(obj_hex); | |
851 | free(obj_hex); | |
852 | } | |
853 | } | |
854 | } | |
855 | ||
26349b2e | 856 | static void |
acf59575 | 857 | xml_start_tag(void *userData, const char *name, const char **atts) |
26349b2e | 858 | { |
acf59575 NH |
859 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
860 | const char *c = index(name, ':'); | |
861 | int new_len; | |
862 | ||
863 | if (c == NULL) | |
864 | c = name; | |
865 | else | |
866 | c++; | |
867 | ||
868 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
869 | ||
870 | if (new_len > ctx->len) { | |
871 | ctx->name = xrealloc(ctx->name, new_len); | |
872 | ctx->len = new_len; | |
26349b2e | 873 | } |
acf59575 NH |
874 | strcat(ctx->name, "."); |
875 | strcat(ctx->name, c); | |
26349b2e | 876 | |
acf59575 NH |
877 | if (ctx->cdata) { |
878 | free(ctx->cdata); | |
879 | ctx->cdata = NULL; | |
880 | } | |
881 | ||
882 | ctx->userFunc(ctx, 0); | |
26349b2e NH |
883 | } |
884 | ||
58e60dd2 | 885 | static void |
acf59575 | 886 | xml_end_tag(void *userData, const char *name) |
58e60dd2 | 887 | { |
acf59575 NH |
888 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
889 | const char *c = index(name, ':'); | |
890 | char *ep; | |
58e60dd2 | 891 | |
acf59575 NH |
892 | ctx->userFunc(ctx, 1); |
893 | ||
894 | if (c == NULL) | |
895 | c = name; | |
896 | else | |
897 | c++; | |
898 | ||
899 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
900 | *ep = 0; | |
58e60dd2 NH |
901 | } |
902 | ||
903 | static void | |
acf59575 | 904 | xml_cdata(void *userData, const XML_Char *s, int len) |
58e60dd2 | 905 | { |
acf59575 NH |
906 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
907 | if (ctx->cdata) | |
908 | free(ctx->cdata); | |
909 | ctx->cdata = xcalloc(len+1, 1); | |
910 | strncpy(ctx->cdata, s, len); | |
58e60dd2 NH |
911 | } |
912 | ||
aa1dbc98 | 913 | static struct remote_lock *lock_remote(char *path, long timeout) |
58e60dd2 NH |
914 | { |
915 | struct active_request_slot *slot; | |
916 | struct buffer out_buffer; | |
26349b2e | 917 | struct buffer in_buffer; |
58e60dd2 | 918 | char *out_data; |
26349b2e | 919 | char *in_data; |
58e60dd2 | 920 | char *url; |
0772b9a6 | 921 | char *ep; |
58e60dd2 | 922 | char timeout_header[25]; |
aa1dbc98 | 923 | struct remote_lock *lock = remote_locks; |
26349b2e NH |
924 | XML_Parser parser = XML_ParserCreate(NULL); |
925 | enum XML_Status result; | |
58e60dd2 | 926 | struct curl_slist *dav_headers = NULL; |
acf59575 | 927 | struct xml_ctx ctx; |
58e60dd2 | 928 | |
aa1dbc98 NH |
929 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
930 | sprintf(url, "%s%s", remote->url, path); | |
931 | ||
932 | /* Make sure the url is not already locked */ | |
933 | while (lock && strcmp(lock->url, url)) { | |
934 | lock = lock->next; | |
935 | } | |
936 | if (lock) { | |
937 | free(url); | |
938 | if (refresh_lock(lock)) | |
939 | return lock; | |
940 | else | |
941 | return NULL; | |
942 | } | |
0772b9a6 NH |
943 | |
944 | /* Make sure leading directories exist for the remote ref */ | |
945 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
946 | while (ep) { | |
947 | *ep = 0; | |
948 | slot = get_active_slot(); | |
949 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
950 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
951 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
952 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
953 | if (start_active_slot(slot)) { | |
954 | run_active_slot(slot); | |
955 | if (slot->curl_result != CURLE_OK && | |
956 | slot->http_code != 405) { | |
957 | fprintf(stderr, | |
958 | "Unable to create branch path %s\n", | |
959 | url); | |
960 | free(url); | |
961 | return NULL; | |
962 | } | |
963 | } else { | |
964 | fprintf(stderr, "Unable to start request\n"); | |
965 | free(url); | |
966 | return NULL; | |
967 | } | |
968 | *ep = '/'; | |
969 | ep = strchr(ep + 1, '/'); | |
970 | } | |
971 | ||
58e60dd2 NH |
972 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
973 | out_data = xmalloc(out_buffer.size + 1); | |
974 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
975 | out_buffer.posn = 0; | |
976 | out_buffer.buffer = out_data; | |
977 | ||
26349b2e NH |
978 | in_buffer.size = 4096; |
979 | in_data = xmalloc(in_buffer.size); | |
980 | in_buffer.posn = 0; | |
981 | in_buffer.buffer = in_data; | |
982 | ||
75187c9d | 983 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
984 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
985 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
986 | ||
987 | slot = get_active_slot(); | |
988 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
989 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
990 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e | 991 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
29508e1e | 992 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
993 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
994 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
995 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
996 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
997 | ||
aa1dbc98 NH |
998 | lock = xcalloc(1, sizeof(*lock)); |
999 | lock->owner = NULL; | |
1000 | lock->token = NULL; | |
1001 | lock->timeout = -1; | |
1002 | lock->refreshing = 0; | |
acf59575 | 1003 | |
58e60dd2 NH |
1004 | if (start_active_slot(slot)) { |
1005 | run_active_slot(slot); | |
acf59575 NH |
1006 | if (slot->curl_result == CURLE_OK) { |
1007 | ctx.name = xcalloc(10, 1); | |
1008 | ctx.len = 0; | |
1009 | ctx.cdata = NULL; | |
1010 | ctx.userFunc = handle_new_lock_ctx; | |
aa1dbc98 | 1011 | ctx.userData = lock; |
acf59575 NH |
1012 | XML_SetUserData(parser, &ctx); |
1013 | XML_SetElementHandler(parser, xml_start_tag, | |
1014 | xml_end_tag); | |
1015 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1016 | result = XML_Parse(parser, in_buffer.buffer, | |
1017 | in_buffer.posn, 1); | |
1018 | free(ctx.name); | |
1019 | if (result != XML_STATUS_OK) { | |
1020 | fprintf(stderr, "XML error: %s\n", | |
1021 | XML_ErrorString( | |
1022 | XML_GetErrorCode(parser))); | |
aa1dbc98 | 1023 | lock->timeout = -1; |
acf59575 | 1024 | } |
58e60dd2 NH |
1025 | } |
1026 | } else { | |
58e60dd2 NH |
1027 | fprintf(stderr, "Unable to start request\n"); |
1028 | } | |
1029 | ||
acf59575 | 1030 | curl_slist_free_all(dav_headers); |
0772b9a6 | 1031 | free(out_data); |
26349b2e | 1032 | free(in_data); |
26349b2e | 1033 | |
aa1dbc98 NH |
1034 | if (lock->token == NULL || lock->timeout <= 0) { |
1035 | if (lock->token != NULL) | |
1036 | free(lock->token); | |
1037 | if (lock->owner != NULL) | |
1038 | free(lock->owner); | |
75187c9d | 1039 | free(url); |
aa1dbc98 NH |
1040 | free(lock); |
1041 | lock = NULL; | |
acf59575 | 1042 | } else { |
aa1dbc98 NH |
1043 | lock->url = url; |
1044 | lock->active = 1; | |
1045 | lock->start_time = time(NULL); | |
1046 | lock->next = remote_locks; | |
1047 | remote_locks = lock; | |
26349b2e NH |
1048 | } |
1049 | ||
aa1dbc98 | 1050 | return lock; |
58e60dd2 NH |
1051 | } |
1052 | ||
aa1dbc98 | 1053 | static int unlock_remote(struct remote_lock *lock) |
58e60dd2 NH |
1054 | { |
1055 | struct active_request_slot *slot; | |
58e60dd2 NH |
1056 | char *lock_token_header; |
1057 | struct curl_slist *dav_headers = NULL; | |
1058 | int rc = 0; | |
1059 | ||
26349b2e | 1060 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1061 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1062 | lock->token); |
58e60dd2 NH |
1063 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1064 | ||
1065 | slot = get_active_slot(); | |
1066 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
75187c9d | 1067 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1068 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1069 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1070 | ||
1071 | if (start_active_slot(slot)) { | |
1072 | run_active_slot(slot); | |
1073 | if (slot->curl_result == CURLE_OK) | |
1074 | rc = 1; | |
1075 | else | |
1076 | fprintf(stderr, "Got HTTP error %ld\n", | |
1077 | slot->http_code); | |
1078 | } else { | |
1079 | fprintf(stderr, "Unable to start request\n"); | |
1080 | } | |
1081 | ||
1082 | curl_slist_free_all(dav_headers); | |
1083 | free(lock_token_header); | |
75187c9d | 1084 | |
aa1dbc98 | 1085 | lock->active = 0; |
58e60dd2 NH |
1086 | |
1087 | return rc; | |
1088 | } | |
1089 | ||
aa1dbc98 NH |
1090 | static void crawl_remote_refs(char *path) |
1091 | { | |
1092 | char *url; | |
1093 | struct active_request_slot *slot; | |
1094 | struct buffer in_buffer; | |
1095 | struct buffer out_buffer; | |
1096 | char *in_data; | |
1097 | char *out_data; | |
1098 | XML_Parser parser = XML_ParserCreate(NULL); | |
1099 | enum XML_Status result; | |
1100 | struct curl_slist *dav_headers = NULL; | |
1101 | struct xml_ctx ctx; | |
1102 | struct remote_dentry dentry; | |
1103 | ||
1104 | fprintf(stderr, " %s\n", path); | |
1105 | ||
1106 | dentry.base = path; | |
1107 | dentry.name = NULL; | |
1108 | dentry.is_dir = 0; | |
1109 | ||
1110 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
1111 | sprintf(url, "%s%s", remote->url, path); | |
1112 | ||
1113 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1114 | out_data = xmalloc(out_buffer.size + 1); | |
1115 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1116 | out_buffer.posn = 0; | |
1117 | out_buffer.buffer = out_data; | |
1118 | ||
1119 | in_buffer.size = 4096; | |
1120 | in_data = xmalloc(in_buffer.size); | |
1121 | in_buffer.posn = 0; | |
1122 | in_buffer.buffer = in_data; | |
1123 | ||
1124 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1125 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1126 | ||
1127 | slot = get_active_slot(); | |
1128 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1129 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1130 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1131 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1132 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1133 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1134 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1135 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1136 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1137 | ||
1138 | if (start_active_slot(slot)) { | |
1139 | run_active_slot(slot); | |
1140 | if (slot->curl_result == CURLE_OK) { | |
1141 | ctx.name = xcalloc(10, 1); | |
1142 | ctx.len = 0; | |
1143 | ctx.cdata = NULL; | |
1144 | ctx.userFunc = handle_crawl_ref_ctx; | |
1145 | ctx.userData = &dentry; | |
1146 | XML_SetUserData(parser, &ctx); | |
1147 | XML_SetElementHandler(parser, xml_start_tag, | |
1148 | xml_end_tag); | |
1149 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1150 | result = XML_Parse(parser, in_buffer.buffer, | |
1151 | in_buffer.posn, 1); | |
1152 | free(ctx.name); | |
1153 | ||
1154 | if (result != XML_STATUS_OK) { | |
1155 | fprintf(stderr, "XML error: %s\n", | |
1156 | XML_ErrorString( | |
1157 | XML_GetErrorCode(parser))); | |
1158 | } | |
1159 | } | |
1160 | } else { | |
1161 | fprintf(stderr, "Unable to start request\n"); | |
1162 | } | |
1163 | ||
1164 | free(url); | |
1165 | free(out_data); | |
1166 | free(in_buffer.buffer); | |
1167 | curl_slist_free_all(dav_headers); | |
1168 | } | |
1169 | ||
1170 | static void get_remote_object_list(unsigned char parent) | |
1171 | { | |
1172 | char *url; | |
1173 | struct active_request_slot *slot; | |
1174 | struct buffer in_buffer; | |
1175 | struct buffer out_buffer; | |
1176 | char *in_data; | |
1177 | char *out_data; | |
1178 | XML_Parser parser = XML_ParserCreate(NULL); | |
1179 | enum XML_Status result; | |
1180 | struct curl_slist *dav_headers = NULL; | |
1181 | struct xml_ctx ctx; | |
1182 | char path[] = "/objects/XX/"; | |
1183 | static const char hex[] = "0123456789abcdef"; | |
1184 | unsigned int val = parent; | |
1185 | ||
1186 | path[9] = hex[val >> 4]; | |
1187 | path[10] = hex[val & 0xf]; | |
1188 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
1189 | sprintf(url, "%s%s", remote->url, path); | |
1190 | ||
1191 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1192 | out_data = xmalloc(out_buffer.size + 1); | |
1193 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1194 | out_buffer.posn = 0; | |
1195 | out_buffer.buffer = out_data; | |
1196 | ||
1197 | in_buffer.size = 4096; | |
1198 | in_data = xmalloc(in_buffer.size); | |
1199 | in_buffer.posn = 0; | |
1200 | in_buffer.buffer = in_data; | |
1201 | ||
1202 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1203 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1204 | ||
1205 | slot = get_active_slot(); | |
1206 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1207 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1208 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1209 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1210 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1211 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1212 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1213 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1214 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1215 | ||
1216 | if (start_active_slot(slot)) { | |
1217 | run_active_slot(slot); | |
1218 | if (slot->curl_result == CURLE_OK) { | |
1219 | remote_dir_exists[parent] = 1; | |
1220 | ctx.name = xcalloc(10, 1); | |
1221 | ctx.len = 0; | |
1222 | ctx.cdata = NULL; | |
1223 | ctx.userFunc = handle_remote_object_list_ctx; | |
1224 | XML_SetUserData(parser, &ctx); | |
1225 | XML_SetElementHandler(parser, xml_start_tag, | |
1226 | xml_end_tag); | |
1227 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1228 | result = XML_Parse(parser, in_buffer.buffer, | |
1229 | in_buffer.posn, 1); | |
1230 | free(ctx.name); | |
1231 | ||
1232 | if (result != XML_STATUS_OK) { | |
1233 | fprintf(stderr, "XML error: %s\n", | |
1234 | XML_ErrorString( | |
1235 | XML_GetErrorCode(parser))); | |
1236 | } | |
1237 | } else { | |
1238 | remote_dir_exists[parent] = 0; | |
1239 | } | |
1240 | } else { | |
1241 | fprintf(stderr, "Unable to start request\n"); | |
1242 | } | |
1243 | ||
1244 | free(url); | |
1245 | free(out_data); | |
1246 | free(in_buffer.buffer); | |
1247 | curl_slist_free_all(dav_headers); | |
1248 | } | |
1249 | ||
acf59575 | 1250 | static int locking_available(void) |
58e60dd2 NH |
1251 | { |
1252 | struct active_request_slot *slot; | |
1253 | struct buffer in_buffer; | |
1254 | struct buffer out_buffer; | |
1255 | char *in_data; | |
1256 | char *out_data; | |
1257 | XML_Parser parser = XML_ParserCreate(NULL); | |
1258 | enum XML_Status result; | |
58e60dd2 | 1259 | struct curl_slist *dav_headers = NULL; |
acf59575 NH |
1260 | struct xml_ctx ctx; |
1261 | int lock_flags = 0; | |
58e60dd2 | 1262 | |
aa1dbc98 NH |
1263 | out_buffer.size = |
1264 | strlen(PROPFIND_SUPPORTEDLOCK_REQUEST) + | |
1265 | strlen(remote->url) - 2; | |
58e60dd2 | 1266 | out_data = xmalloc(out_buffer.size + 1); |
aa1dbc98 NH |
1267 | snprintf(out_data, out_buffer.size + 1, |
1268 | PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url); | |
58e60dd2 NH |
1269 | out_buffer.posn = 0; |
1270 | out_buffer.buffer = out_data; | |
1271 | ||
1272 | in_buffer.size = 4096; | |
1273 | in_data = xmalloc(in_buffer.size); | |
1274 | in_buffer.posn = 0; | |
1275 | in_buffer.buffer = in_data; | |
1276 | ||
1277 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1278 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1279 | ||
1280 | slot = get_active_slot(); | |
1281 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1282 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1283 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1284 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
29508e1e | 1285 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1286 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); |
1287 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1288 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1289 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1290 | ||
1291 | if (start_active_slot(slot)) { | |
1292 | run_active_slot(slot); | |
acf59575 NH |
1293 | if (slot->curl_result == CURLE_OK) { |
1294 | ctx.name = xcalloc(10, 1); | |
1295 | ctx.len = 0; | |
1296 | ctx.cdata = NULL; | |
1297 | ctx.userFunc = handle_lockprop_ctx; | |
1298 | ctx.userData = &lock_flags; | |
1299 | XML_SetUserData(parser, &ctx); | |
1300 | XML_SetElementHandler(parser, xml_start_tag, | |
1301 | xml_end_tag); | |
1302 | result = XML_Parse(parser, in_buffer.buffer, | |
1303 | in_buffer.posn, 1); | |
1304 | free(ctx.name); | |
1305 | ||
1306 | if (result != XML_STATUS_OK) { | |
1307 | fprintf(stderr, "XML error: %s\n", | |
1308 | XML_ErrorString( | |
1309 | XML_GetErrorCode(parser))); | |
1310 | lock_flags = 0; | |
1311 | } | |
58e60dd2 | 1312 | } |
58e60dd2 | 1313 | } else { |
acf59575 | 1314 | fprintf(stderr, "Unable to start request\n"); |
58e60dd2 NH |
1315 | } |
1316 | ||
acf59575 NH |
1317 | free(out_data); |
1318 | free(in_buffer.buffer); | |
1319 | curl_slist_free_all(dav_headers); | |
1320 | ||
1321 | return lock_flags; | |
58e60dd2 NH |
1322 | } |
1323 | ||
aa1dbc98 NH |
1324 | static struct object_list **process_blob(struct blob *blob, |
1325 | struct object_list **p, | |
1326 | struct name_path *path, | |
1327 | const char *name) | |
58e60dd2 | 1328 | { |
aa1dbc98 | 1329 | struct object *obj = &blob->object; |
58e60dd2 | 1330 | |
aa1dbc98 NH |
1331 | obj->flags |= LOCAL; |
1332 | ||
1333 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1334 | return p; | |
1335 | ||
1336 | obj->flags |= SEEN; | |
1337 | return add_object(obj, p, path, name); | |
1338 | } | |
1339 | ||
1340 | static struct object_list **process_tree(struct tree *tree, | |
1341 | struct object_list **p, | |
1342 | struct name_path *path, | |
1343 | const char *name) | |
1344 | { | |
1345 | struct object *obj = &tree->object; | |
1346 | struct tree_entry_list *entry; | |
1347 | struct name_path me; | |
1348 | ||
1349 | obj->flags |= LOCAL; | |
1350 | ||
1351 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1352 | return p; | |
1353 | if (parse_tree(tree) < 0) | |
1354 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1355 | ||
1356 | obj->flags |= SEEN; | |
1357 | p = add_object(obj, p, NULL, name); | |
1358 | me.up = path; | |
1359 | me.elem = name; | |
1360 | me.elem_len = strlen(name); | |
1361 | entry = tree->entries; | |
1362 | tree->entries = NULL; | |
1363 | while (entry) { | |
1364 | struct tree_entry_list *next = entry->next; | |
1365 | if (entry->directory) | |
1366 | p = process_tree(entry->item.tree, p, &me, entry->name); | |
1367 | else | |
1368 | p = process_blob(entry->item.blob, p, &me, entry->name); | |
1369 | free(entry); | |
1370 | entry = next; | |
58e60dd2 | 1371 | } |
aa1dbc98 | 1372 | return p; |
58e60dd2 NH |
1373 | } |
1374 | ||
aa1dbc98 | 1375 | static void get_delta(struct rev_info *revs, struct remote_lock *lock) |
58e60dd2 NH |
1376 | { |
1377 | struct commit *commit; | |
aa1dbc98 | 1378 | struct object_list **p = &objects, *pending; |
58e60dd2 | 1379 | |
aa1dbc98 NH |
1380 | while ((commit = get_revision(revs)) != NULL) { |
1381 | p = process_tree(commit->tree, p, NULL, ""); | |
1382 | commit->object.flags |= LOCAL; | |
1383 | if (!(commit->object.flags & UNINTERESTING)) | |
1384 | add_request(&commit->object, lock); | |
1385 | } | |
58e60dd2 | 1386 | |
aa1dbc98 NH |
1387 | for (pending = revs->pending_objects; pending; pending = pending->next) { |
1388 | struct object *obj = pending->item; | |
1389 | const char *name = pending->name; | |
58e60dd2 | 1390 | |
aa1dbc98 NH |
1391 | if (obj->flags & (UNINTERESTING | SEEN)) |
1392 | continue; | |
1393 | if (obj->type == tag_type) { | |
1394 | obj->flags |= SEEN; | |
1395 | p = add_object(obj, p, NULL, name); | |
1396 | continue; | |
58e60dd2 | 1397 | } |
aa1dbc98 NH |
1398 | if (obj->type == tree_type) { |
1399 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1400 | continue; | |
58e60dd2 | 1401 | } |
aa1dbc98 NH |
1402 | if (obj->type == blob_type) { |
1403 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1404 | continue; | |
58e60dd2 | 1405 | } |
aa1dbc98 NH |
1406 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); |
1407 | } | |
1408 | ||
1409 | while (objects) { | |
1410 | if (!(objects->item->flags & UNINTERESTING)) | |
1411 | add_request(objects->item, lock); | |
1412 | objects = objects->next; | |
58e60dd2 NH |
1413 | } |
1414 | } | |
1415 | ||
aa1dbc98 | 1416 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) |
58e60dd2 NH |
1417 | { |
1418 | struct active_request_slot *slot; | |
58e60dd2 NH |
1419 | char *out_data; |
1420 | char *if_header; | |
1421 | struct buffer out_buffer; | |
1422 | struct curl_slist *dav_headers = NULL; | |
1423 | int i; | |
1424 | ||
26349b2e NH |
1425 | if_header = xmalloc(strlen(lock->token) + 25); |
1426 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1427 | dav_headers = curl_slist_append(dav_headers, if_header); |
1428 | ||
1429 | out_buffer.size = 41; | |
1430 | out_data = xmalloc(out_buffer.size + 1); | |
1431 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1432 | if (i != out_buffer.size) { | |
1433 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1434 | return 0; | |
1435 | } | |
1436 | out_buffer.posn = 0; | |
1437 | out_buffer.buffer = out_data; | |
1438 | ||
1439 | slot = get_active_slot(); | |
1440 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1441 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1442 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1443 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1444 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1445 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1446 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1447 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1448 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1449 | |
1450 | if (start_active_slot(slot)) { | |
1451 | run_active_slot(slot); | |
1452 | free(out_data); | |
1453 | free(if_header); | |
58e60dd2 NH |
1454 | if (slot->curl_result != CURLE_OK) { |
1455 | fprintf(stderr, | |
1456 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1457 | slot->curl_result, slot->http_code); | |
1458 | /* We should attempt recovery? */ | |
1459 | return 0; | |
1460 | } | |
1461 | } else { | |
1462 | free(out_data); | |
1463 | free(if_header); | |
58e60dd2 NH |
1464 | fprintf(stderr, "Unable to start PUT request\n"); |
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | return 1; | |
1469 | } | |
1470 | ||
aa1dbc98 NH |
1471 | static struct ref *local_refs, **local_tail; |
1472 | static struct ref *remote_refs, **remote_tail; | |
1473 | ||
1474 | static int one_local_ref(const char *refname, const unsigned char *sha1) | |
1475 | { | |
1476 | struct ref *ref; | |
1477 | int len = strlen(refname) + 1; | |
1478 | ref = xcalloc(1, sizeof(*ref) + len); | |
1479 | memcpy(ref->new_sha1, sha1, 20); | |
1480 | memcpy(ref->name, refname, len); | |
1481 | *local_tail = ref; | |
1482 | local_tail = &ref->next; | |
1483 | return 0; | |
1484 | } | |
1485 | ||
1486 | static void one_remote_ref(char *refname) | |
1487 | { | |
1488 | struct ref *ref; | |
1489 | unsigned char remote_sha1[20]; | |
1490 | ||
1491 | if (fetch_ref(refname, remote_sha1) != 0) { | |
1492 | fprintf(stderr, | |
1493 | "Unable to fetch ref %s from %s\n", | |
1494 | refname, remote->url); | |
1495 | return; | |
1496 | } | |
1497 | ||
1498 | int len = strlen(refname) + 1; | |
1499 | ref = xcalloc(1, sizeof(*ref) + len); | |
1500 | memcpy(ref->old_sha1, remote_sha1, 20); | |
1501 | memcpy(ref->name, refname, len); | |
1502 | *remote_tail = ref; | |
1503 | remote_tail = &ref->next; | |
1504 | } | |
1505 | ||
1506 | static void get_local_heads(void) | |
1507 | { | |
1508 | local_tail = &local_refs; | |
1509 | for_each_ref(one_local_ref); | |
1510 | } | |
1511 | ||
1512 | static void get_dav_remote_heads(void) | |
1513 | { | |
1514 | remote_tail = &remote_refs; | |
1515 | crawl_remote_refs("refs/"); | |
1516 | } | |
1517 | ||
1518 | static int is_zero_sha1(const unsigned char *sha1) | |
1519 | { | |
1520 | int i; | |
1521 | ||
1522 | for (i = 0; i < 20; i++) { | |
1523 | if (*sha1++) | |
1524 | return 0; | |
1525 | } | |
1526 | return 1; | |
1527 | } | |
1528 | ||
1529 | static void unmark_and_free(struct commit_list *list, unsigned int mark) | |
1530 | { | |
1531 | while (list) { | |
1532 | struct commit_list *temp = list; | |
1533 | temp->item->object.flags &= ~mark; | |
1534 | list = temp->next; | |
1535 | free(temp); | |
1536 | } | |
1537 | } | |
1538 | ||
1539 | static int ref_newer(const unsigned char *new_sha1, | |
1540 | const unsigned char *old_sha1) | |
1541 | { | |
1542 | struct object *o; | |
1543 | struct commit *old, *new; | |
1544 | struct commit_list *list, *used; | |
1545 | int found = 0; | |
1546 | ||
1547 | /* Both new and old must be commit-ish and new is descendant of | |
1548 | * old. Otherwise we require --force. | |
1549 | */ | |
1550 | o = deref_tag(parse_object(old_sha1), NULL, 0); | |
1551 | if (!o || o->type != commit_type) | |
1552 | return 0; | |
1553 | old = (struct commit *) o; | |
1554 | ||
1555 | o = deref_tag(parse_object(new_sha1), NULL, 0); | |
1556 | if (!o || o->type != commit_type) | |
1557 | return 0; | |
1558 | new = (struct commit *) o; | |
1559 | ||
1560 | if (parse_commit(new) < 0) | |
1561 | return 0; | |
1562 | ||
1563 | used = list = NULL; | |
1564 | commit_list_insert(new, &list); | |
1565 | while (list) { | |
1566 | new = pop_most_recent_commit(&list, TMP_MARK); | |
1567 | commit_list_insert(new, &used); | |
1568 | if (new == old) { | |
1569 | found = 1; | |
1570 | break; | |
1571 | } | |
1572 | } | |
1573 | unmark_and_free(list, TMP_MARK); | |
1574 | unmark_and_free(used, TMP_MARK); | |
1575 | return found; | |
1576 | } | |
1577 | ||
1578 | static void mark_edge_parents_uninteresting(struct commit *commit) | |
1579 | { | |
1580 | struct commit_list *parents; | |
1581 | ||
1582 | for (parents = commit->parents; parents; parents = parents->next) { | |
1583 | struct commit *parent = parents->item; | |
1584 | if (!(parent->object.flags & UNINTERESTING)) | |
1585 | continue; | |
1586 | mark_tree_uninteresting(parent->tree); | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | static void mark_edges_uninteresting(struct commit_list *list) | |
1591 | { | |
1592 | for ( ; list; list = list->next) { | |
1593 | struct commit *commit = list->item; | |
1594 | ||
1595 | if (commit->object.flags & UNINTERESTING) { | |
1596 | mark_tree_uninteresting(commit->tree); | |
1597 | continue; | |
1598 | } | |
1599 | mark_edge_parents_uninteresting(commit); | |
1600 | } | |
1601 | } | |
1602 | ||
58e60dd2 NH |
1603 | int main(int argc, char **argv) |
1604 | { | |
58e60dd2 NH |
1605 | struct transfer_request *request; |
1606 | struct transfer_request *next_request; | |
1607 | int nr_refspec = 0; | |
1608 | char **refspec = NULL; | |
aa1dbc98 NH |
1609 | struct remote_lock *ref_lock; |
1610 | struct rev_info revs; | |
58e60dd2 NH |
1611 | int rc = 0; |
1612 | int i; | |
1613 | ||
5a327713 | 1614 | setup_git_directory(); |
58e60dd2 NH |
1615 | setup_ident(); |
1616 | ||
1617 | remote = xmalloc(sizeof(*remote)); | |
1618 | remote->url = NULL; | |
aa1dbc98 | 1619 | remote->path_len = 0; |
58e60dd2 NH |
1620 | remote->packs = NULL; |
1621 | ||
1622 | argv++; | |
1623 | for (i = 1; i < argc; i++, argv++) { | |
1624 | char *arg = *argv; | |
1625 | ||
1626 | if (*arg == '-') { | |
aa1dbc98 | 1627 | if (!strcmp(arg, "--all")) { |
58e60dd2 NH |
1628 | push_all = 1; |
1629 | continue; | |
1630 | } | |
1631 | if (!strcmp(arg, "--force")) { | |
1632 | force_all = 1; | |
1633 | continue; | |
1634 | } | |
1635 | if (!strcmp(arg, "--verbose")) { | |
1636 | push_verbosely = 1; | |
1637 | continue; | |
1638 | } | |
1639 | usage(http_push_usage); | |
1640 | } | |
1641 | if (!remote->url) { | |
1642 | remote->url = arg; | |
aa1dbc98 NH |
1643 | char *path = strstr(arg, "//"); |
1644 | if (path) { | |
1645 | path = index(path+2, '/'); | |
1646 | if (path) | |
1647 | remote->path_len = strlen(path); | |
1648 | } | |
58e60dd2 NH |
1649 | continue; |
1650 | } | |
1651 | refspec = argv; | |
1652 | nr_refspec = argc - i; | |
1653 | break; | |
1654 | } | |
1655 | ||
3e9fabc8 NH |
1656 | if (!remote->url) |
1657 | usage(http_push_usage); | |
1658 | ||
aa1dbc98 | 1659 | memset(remote_dir_exists, -1, 256); |
0dd276b8 | 1660 | |
29508e1e | 1661 | http_init(); |
58e60dd2 NH |
1662 | |
1663 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1664 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1665 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1666 | default_headers = curl_slist_append(default_headers, "If:"); | |
1667 | default_headers = curl_slist_append(default_headers, | |
1668 | "Pragma: no-cache"); | |
1669 | ||
58e60dd2 | 1670 | /* Verify DAV compliance/lock support */ |
acf59575 | 1671 | if (!locking_available()) { |
58e60dd2 NH |
1672 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); |
1673 | rc = 1; | |
1674 | goto cleanup; | |
1675 | } | |
1676 | ||
aa1dbc98 NH |
1677 | /* Get a list of all local and remote heads to validate refspecs */ |
1678 | get_local_heads(); | |
1679 | fprintf(stderr, "Fetching remote heads...\n"); | |
1680 | get_dav_remote_heads(); | |
1681 | ||
1682 | /* match them up */ | |
1683 | if (!remote_tail) | |
1684 | remote_tail = &remote_refs; | |
1685 | if (match_refs(local_refs, remote_refs, &remote_tail, | |
1686 | nr_refspec, refspec, push_all)) | |
1687 | return -1; | |
1688 | if (!remote_refs) { | |
1689 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1690 | return 0; | |
1691 | } | |
1692 | ||
1693 | int ret = 0; | |
1694 | int new_refs = 0; | |
1695 | struct ref *ref; | |
1696 | for (ref = remote_refs; ref; ref = ref->next) { | |
1697 | char old_hex[60], *new_hex; | |
1698 | if (!ref->peer_ref) | |
1699 | continue; | |
1700 | if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) { | |
1701 | if (push_verbosely || 1) | |
1702 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1703 | continue; | |
1704 | } | |
1705 | ||
1706 | if (!force_all && | |
1707 | !is_zero_sha1(ref->old_sha1) && | |
1708 | !ref->force) { | |
1709 | if (!has_sha1_file(ref->old_sha1) || | |
1710 | !ref_newer(ref->peer_ref->new_sha1, | |
1711 | ref->old_sha1)) { | |
1712 | /* We do not have the remote ref, or | |
1713 | * we know that the remote ref is not | |
1714 | * an ancestor of what we are trying to | |
1715 | * push. Either way this can be losing | |
1716 | * commits at the remote end and likely | |
1717 | * we were not up to date to begin with. | |
1718 | */ | |
1719 | error("remote '%s' is not a strict " | |
1720 | "subset of local ref '%s'. " | |
1721 | "maybe you are not up-to-date and " | |
1722 | "need to pull first?", | |
1723 | ref->name, | |
1724 | ref->peer_ref->name); | |
1725 | ret = -2; | |
1726 | continue; | |
1727 | } | |
58e60dd2 | 1728 | } |
aa1dbc98 NH |
1729 | memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20); |
1730 | if (is_zero_sha1(ref->new_sha1)) { | |
1731 | error("cannot happen anymore"); | |
1732 | ret = -3; | |
1733 | continue; | |
58e60dd2 | 1734 | } |
aa1dbc98 NH |
1735 | new_refs++; |
1736 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
1737 | new_hex = sha1_to_hex(ref->new_sha1); | |
1738 | ||
1739 | fprintf(stderr, "updating '%s'", ref->name); | |
1740 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1741 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1742 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
1743 | ||
58e60dd2 NH |
1744 | |
1745 | /* Lock remote branch ref */ | |
aa1dbc98 NH |
1746 | ref_lock = lock_remote(ref->name, LOCK_TIME); |
1747 | if (ref_lock == NULL) { | |
58e60dd2 | 1748 | fprintf(stderr, "Unable to lock remote branch %s\n", |
aa1dbc98 | 1749 | ref->name); |
58e60dd2 NH |
1750 | rc = 1; |
1751 | continue; | |
1752 | } | |
1753 | ||
aa1dbc98 NH |
1754 | /* Set up revision info for this refspec */ |
1755 | const char *commit_argv[3]; | |
1756 | int commit_argc = 2; | |
1757 | char *new_sha1_hex = strdup(sha1_to_hex(ref->new_sha1)); | |
1758 | char *old_sha1_hex = NULL; | |
1759 | commit_argv[1] = new_sha1_hex; | |
1760 | if (!push_all && !is_zero_sha1(ref->old_sha1)) { | |
1761 | old_sha1_hex = xmalloc(42); | |
1762 | sprintf(old_sha1_hex, "^%s", | |
1763 | sha1_to_hex(ref->old_sha1)); | |
1764 | commit_argv[2] = old_sha1_hex; | |
1765 | commit_argc++; | |
58e60dd2 | 1766 | } |
aa1dbc98 NH |
1767 | revs.commits = NULL; |
1768 | setup_revisions(commit_argc, commit_argv, &revs, NULL); | |
1769 | revs.tag_objects = 1; | |
1770 | revs.tree_objects = 1; | |
1771 | revs.blob_objects = 1; | |
1772 | free(new_sha1_hex); | |
1773 | if (old_sha1_hex) { | |
1774 | free(old_sha1_hex); | |
1775 | commit_argv[1] = NULL; | |
58e60dd2 NH |
1776 | } |
1777 | ||
aa1dbc98 | 1778 | /* Generate a list of objects that need to be pushed */ |
58e60dd2 | 1779 | pushing = 0; |
aa1dbc98 NH |
1780 | prepare_revision_walk(&revs); |
1781 | mark_edges_uninteresting(revs.commits); | |
1782 | fetch_indices(); | |
1783 | get_delta(&revs, ref_lock); | |
29508e1e | 1784 | finish_all_active_slots(); |
58e60dd2 NH |
1785 | |
1786 | /* Push missing objects to remote, this would be a | |
1787 | convenient time to pack them first if appropriate. */ | |
1788 | pushing = 1; | |
29508e1e NH |
1789 | fill_active_slots(); |
1790 | finish_all_active_slots(); | |
58e60dd2 NH |
1791 | |
1792 | /* Update the remote branch if all went well */ | |
aa1dbc98 NH |
1793 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) { |
1794 | rc = 1; | |
1795 | goto unlock; | |
58e60dd2 NH |
1796 | } |
1797 | ||
1798 | unlock: | |
aa1dbc98 NH |
1799 | if (!rc) |
1800 | fprintf(stderr, " done\n"); | |
1801 | unlock_remote(ref_lock); | |
58e60dd2 NH |
1802 | } |
1803 | ||
1804 | cleanup: | |
1805 | free(remote); | |
1806 | ||
1807 | curl_slist_free_all(no_pragma_header); | |
1808 | curl_slist_free_all(default_headers); | |
1809 | ||
29508e1e | 1810 | http_cleanup(); |
58e60dd2 NH |
1811 | |
1812 | request = request_queue_head; | |
1813 | while (request != NULL) { | |
1814 | next_request = request->next; | |
1815 | release_request(request); | |
58e60dd2 NH |
1816 | request = next_request; |
1817 | } | |
1818 | ||
58e60dd2 NH |
1819 | return rc; |
1820 | } |