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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; | |
baa7b67d | 305 | struct slot_results results; |
75187c9d NH |
306 | char *if_header; |
307 | char timeout_header[25]; | |
308 | struct curl_slist *dav_headers = NULL; | |
aa1dbc98 NH |
309 | struct remote_lock *lock; |
310 | int time_remaining; | |
311 | time_t current_time; | |
75187c9d | 312 | |
aa1dbc98 NH |
313 | /* Refresh all active locks if they're close to expiring */ |
314 | for (lock = remote_locks; lock; lock = lock->next) { | |
315 | if (!lock->active) | |
316 | continue; | |
75187c9d | 317 | |
aa1dbc98 NH |
318 | current_time = time(NULL); |
319 | time_remaining = lock->start_time + lock->timeout | |
320 | - current_time; | |
321 | if (time_remaining > LOCK_REFRESH) | |
322 | continue; | |
75187c9d | 323 | |
aa1dbc98 | 324 | lock->refreshing = 1; |
75187c9d | 325 | |
aa1dbc98 NH |
326 | if_header = xmalloc(strlen(lock->token) + 25); |
327 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
328 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
329 | dav_headers = curl_slist_append(dav_headers, if_header); | |
330 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
331 | ||
332 | slot = get_active_slot(); | |
baa7b67d | 333 | slot->results = &results; |
aa1dbc98 NH |
334 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
335 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
336 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
337 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
338 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
339 | ||
340 | if (start_active_slot(slot)) { | |
341 | run_active_slot(slot); | |
baa7b67d NH |
342 | if (results.curl_result != CURLE_OK) { |
343 | fprintf(stderr, "Got HTTP error %ld\n", results.http_code); | |
aa1dbc98 NH |
344 | lock->active = 0; |
345 | } else { | |
346 | lock->active = 1; | |
347 | lock->start_time = time(NULL); | |
348 | } | |
75187c9d | 349 | } |
aa1dbc98 NH |
350 | |
351 | lock->refreshing = 0; | |
352 | curl_slist_free_all(dav_headers); | |
353 | free(if_header); | |
75187c9d NH |
354 | } |
355 | ||
aa1dbc98 NH |
356 | if (check_lock) |
357 | return check_lock->active; | |
358 | else | |
359 | return 0; | |
360 | } | |
75187c9d | 361 | |
aa1dbc98 NH |
362 | static void release_request(struct transfer_request *request) |
363 | { | |
364 | struct transfer_request *entry = request_queue_head; | |
365 | ||
366 | if (request == request_queue_head) { | |
367 | request_queue_head = request->next; | |
368 | } else { | |
369 | while (entry->next != NULL && entry->next != request) | |
370 | entry = entry->next; | |
371 | if (entry->next == request) | |
372 | entry->next = entry->next->next; | |
373 | } | |
374 | ||
375 | if (request->url != NULL) | |
376 | free(request->url); | |
377 | free(request); | |
75187c9d NH |
378 | } |
379 | ||
58e60dd2 NH |
380 | static void finish_request(struct transfer_request *request) |
381 | { | |
382 | request->curl_result = request->slot->curl_result; | |
383 | request->http_code = request->slot->http_code; | |
384 | request->slot = NULL; | |
75187c9d | 385 | |
aa1dbc98 NH |
386 | /* Keep locks active */ |
387 | refresh_lock(request->lock); | |
75187c9d | 388 | |
58e60dd2 NH |
389 | if (request->headers != NULL) |
390 | curl_slist_free_all(request->headers); | |
7b899967 NH |
391 | |
392 | /* URL is reused for MOVE after PUT */ | |
393 | if (request->state != RUN_PUT) { | |
394 | free(request->url); | |
395 | request->url = NULL; | |
aa1dbc98 | 396 | } |
7b899967 | 397 | |
aa1dbc98 | 398 | if (request->state == RUN_MKCOL) { |
58e60dd2 NH |
399 | if (request->curl_result == CURLE_OK || |
400 | request->http_code == 405) { | |
aa1dbc98 | 401 | remote_dir_exists[request->obj->sha1[0]] = 1; |
58e60dd2 NH |
402 | start_put(request); |
403 | } else { | |
404 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 405 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
406 | request->curl_result, request->http_code); |
407 | request->state = ABORTED; | |
408 | aborted = 1; | |
409 | } | |
410 | } else if (request->state == RUN_PUT) { | |
411 | if (request->curl_result == CURLE_OK) { | |
412 | start_move(request); | |
413 | } else { | |
414 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 415 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
416 | request->curl_result, request->http_code); |
417 | request->state = ABORTED; | |
418 | aborted = 1; | |
419 | } | |
420 | } else if (request->state == RUN_MOVE) { | |
421 | if (request->curl_result == CURLE_OK) { | |
aa1dbc98 NH |
422 | fprintf(stderr, " sent %s\n", |
423 | sha1_to_hex(request->obj->sha1)); | |
58e60dd2 | 424 | request->state = COMPLETE; |
aa1dbc98 NH |
425 | request->obj->flags |= REMOTE; |
426 | release_request(request); | |
58e60dd2 NH |
427 | } else { |
428 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 429 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
430 | request->curl_result, request->http_code); |
431 | request->state = ABORTED; | |
432 | aborted = 1; | |
433 | } | |
434 | } | |
435 | } | |
436 | ||
29508e1e | 437 | void fill_active_slots(void) |
58e60dd2 NH |
438 | { |
439 | struct transfer_request *request = request_queue_head; | |
440 | struct active_request_slot *slot = active_queue_head; | |
441 | int num_transfers; | |
442 | ||
443 | if (aborted) | |
444 | return; | |
445 | ||
446 | while (active_requests < max_requests && request != NULL) { | |
aa1dbc98 NH |
447 | if (pushing && request->state == NEED_PUSH) { |
448 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { | |
0dd276b8 | 449 | start_put(request); |
aa1dbc98 | 450 | } else { |
0dd276b8 | 451 | start_mkcol(request); |
aa1dbc98 | 452 | } |
58e60dd2 NH |
453 | curl_multi_perform(curlm, &num_transfers); |
454 | } | |
455 | request = request->next; | |
456 | } | |
457 | ||
458 | while (slot != NULL) { | |
459 | if (!slot->in_use && slot->curl != NULL) { | |
460 | curl_easy_cleanup(slot->curl); | |
461 | slot->curl = NULL; | |
462 | } | |
463 | slot = slot->next; | |
aa1dbc98 | 464 | } |
58e60dd2 | 465 | } |
58e60dd2 | 466 | |
aa1dbc98 NH |
467 | static void get_remote_object_list(unsigned char parent); |
468 | ||
469 | static void add_request(struct object *obj, struct remote_lock *lock) | |
58e60dd2 NH |
470 | { |
471 | struct transfer_request *request = request_queue_head; | |
58e60dd2 | 472 | struct packed_git *target; |
58e60dd2 | 473 | |
aa1dbc98 NH |
474 | /* |
475 | * Don't push the object if it's known to exist on the remote | |
476 | * or is already in the request queue | |
477 | */ | |
478 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
479 | get_remote_object_list(obj->sha1[0]); | |
480 | if (obj->flags & (REMOTE | PUSHING)) | |
481 | return; | |
482 | target = find_sha1_pack(obj->sha1, remote->packs); | |
483 | if (target) { | |
484 | obj->flags |= REMOTE; | |
58e60dd2 | 485 | return; |
aa1dbc98 | 486 | } |
58e60dd2 | 487 | |
aa1dbc98 | 488 | obj->flags |= PUSHING; |
58e60dd2 | 489 | request = xmalloc(sizeof(*request)); |
aa1dbc98 | 490 | request->obj = obj; |
58e60dd2 | 491 | request->url = NULL; |
26349b2e | 492 | request->lock = lock; |
58e60dd2 | 493 | request->headers = NULL; |
aa1dbc98 | 494 | request->state = NEED_PUSH; |
c17fb6ee NH |
495 | request->next = request_queue_head; |
496 | request_queue_head = request; | |
29508e1e NH |
497 | |
498 | fill_active_slots(); | |
499 | step_active_slots(); | |
58e60dd2 NH |
500 | } |
501 | ||
502 | static int fetch_index(unsigned char *sha1) | |
503 | { | |
504 | char *hex = sha1_to_hex(sha1); | |
505 | char *filename; | |
506 | char *url; | |
507 | char tmpfile[PATH_MAX]; | |
508 | long prev_posn = 0; | |
509 | char range[RANGE_HEADER_SIZE]; | |
510 | struct curl_slist *range_header = NULL; | |
511 | ||
512 | FILE *indexfile; | |
513 | struct active_request_slot *slot; | |
baa7b67d | 514 | struct slot_results results; |
58e60dd2 | 515 | |
c17fb6ee NH |
516 | /* Don't use the index if the pack isn't there */ |
517 | url = xmalloc(strlen(remote->url) + 65); | |
518 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
519 | slot = get_active_slot(); | |
baa7b67d | 520 | slot->results = &results; |
c17fb6ee NH |
521 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
522 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
523 | if (start_active_slot(slot)) { | |
524 | run_active_slot(slot); | |
baa7b67d | 525 | if (results.curl_result != CURLE_OK) { |
c17fb6ee NH |
526 | free(url); |
527 | return error("Unable to verify pack %s is available", | |
528 | hex); | |
529 | } | |
530 | } else { | |
531 | return error("Unable to start request"); | |
532 | } | |
533 | ||
58e60dd2 NH |
534 | if (has_pack_index(sha1)) |
535 | return 0; | |
536 | ||
537 | if (push_verbosely) | |
538 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
539 | ||
58e60dd2 NH |
540 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
541 | ||
542 | filename = sha1_pack_index_name(sha1); | |
543 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
544 | indexfile = fopen(tmpfile, "a"); | |
545 | if (!indexfile) | |
546 | return error("Unable to open local file %s for pack index", | |
547 | filename); | |
548 | ||
549 | slot = get_active_slot(); | |
baa7b67d | 550 | slot->results = &results; |
c17fb6ee NH |
551 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
552 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
553 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
554 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
555 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
556 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
557 | slot->local = indexfile; | |
558 | ||
559 | /* If there is data present from a previous transfer attempt, | |
560 | resume where it left off */ | |
561 | prev_posn = ftell(indexfile); | |
562 | if (prev_posn>0) { | |
563 | if (push_verbosely) | |
564 | fprintf(stderr, | |
565 | "Resuming fetch of index for pack %s at byte %ld\n", | |
566 | hex, prev_posn); | |
567 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
568 | range_header = curl_slist_append(range_header, range); | |
569 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
570 | } | |
571 | ||
572 | if (start_active_slot(slot)) { | |
573 | run_active_slot(slot); | |
baa7b67d | 574 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
575 | free(url); |
576 | fclose(indexfile); | |
577 | return error("Unable to get pack index %s\n%s", url, | |
578 | curl_errorstr); | |
579 | } | |
580 | } else { | |
581 | free(url); | |
7b899967 | 582 | fclose(indexfile); |
58e60dd2 NH |
583 | return error("Unable to start request"); |
584 | } | |
585 | ||
586 | free(url); | |
587 | fclose(indexfile); | |
588 | ||
589 | return move_temp_to_file(tmpfile, filename); | |
590 | } | |
591 | ||
592 | static int setup_index(unsigned char *sha1) | |
593 | { | |
594 | struct packed_git *new_pack; | |
58e60dd2 NH |
595 | |
596 | if (fetch_index(sha1)) | |
597 | return -1; | |
598 | ||
599 | new_pack = parse_pack_index(sha1); | |
600 | new_pack->next = remote->packs; | |
601 | remote->packs = new_pack; | |
602 | return 0; | |
603 | } | |
604 | ||
f4f440a0 | 605 | static int fetch_indices(void) |
58e60dd2 NH |
606 | { |
607 | unsigned char sha1[20]; | |
608 | char *url; | |
609 | struct buffer buffer; | |
610 | char *data; | |
611 | int i = 0; | |
612 | ||
613 | struct active_request_slot *slot; | |
baa7b67d | 614 | struct slot_results results; |
58e60dd2 NH |
615 | |
616 | data = xmalloc(4096); | |
617 | memset(data, 0, 4096); | |
618 | buffer.size = 4096; | |
619 | buffer.posn = 0; | |
620 | buffer.buffer = data; | |
621 | ||
622 | if (push_verbosely) | |
623 | fprintf(stderr, "Getting pack list\n"); | |
624 | ||
625 | url = xmalloc(strlen(remote->url) + 21); | |
626 | sprintf(url, "%s/objects/info/packs", remote->url); | |
627 | ||
628 | slot = get_active_slot(); | |
baa7b67d | 629 | slot->results = &results; |
58e60dd2 | 630 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 631 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
632 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
633 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
634 | if (start_active_slot(slot)) { | |
635 | run_active_slot(slot); | |
baa7b67d | 636 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
637 | free(buffer.buffer); |
638 | free(url); | |
baa7b67d | 639 | if (results.http_code == 404) |
58e60dd2 NH |
640 | return 0; |
641 | else | |
642 | return error("%s", curl_errorstr); | |
643 | } | |
644 | } else { | |
645 | free(buffer.buffer); | |
646 | free(url); | |
647 | return error("Unable to start request"); | |
648 | } | |
649 | free(url); | |
650 | ||
651 | data = buffer.buffer; | |
652 | while (i < buffer.posn) { | |
653 | switch (data[i]) { | |
654 | case 'P': | |
655 | i++; | |
656 | if (i + 52 < buffer.posn && | |
657 | !strncmp(data + i, " pack-", 6) && | |
658 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
659 | get_sha1_hex(data + i + 6, sha1); | |
660 | setup_index(sha1); | |
661 | i += 51; | |
662 | break; | |
663 | } | |
664 | default: | |
665 | while (data[i] != '\n') | |
666 | i++; | |
667 | } | |
668 | i++; | |
669 | } | |
670 | ||
671 | free(buffer.buffer); | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static inline int needs_quote(int ch) | |
676 | { | |
677 | switch (ch) { | |
678 | case '/': case '-': case '.': | |
679 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
680 | return 0; | |
681 | default: | |
682 | return 1; | |
683 | } | |
684 | } | |
685 | ||
686 | static inline int hex(int v) | |
687 | { | |
688 | if (v < 10) return '0' + v; | |
689 | else return 'A' + v - 10; | |
690 | } | |
691 | ||
692 | static char *quote_ref_url(const char *base, const char *ref) | |
693 | { | |
694 | const char *cp; | |
695 | char *dp, *qref; | |
696 | int len, baselen, ch; | |
697 | ||
698 | baselen = strlen(base); | |
aa1dbc98 | 699 | len = baselen + 1; |
58e60dd2 NH |
700 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
701 | if (needs_quote(ch)) | |
702 | len += 2; /* extra two hex plus replacement % */ | |
703 | qref = xmalloc(len); | |
704 | memcpy(qref, base, baselen); | |
aa1dbc98 | 705 | for (cp = ref, dp = qref + baselen; (ch = *cp) != 0; cp++) { |
58e60dd2 NH |
706 | if (needs_quote(ch)) { |
707 | *dp++ = '%'; | |
708 | *dp++ = hex((ch >> 4) & 0xF); | |
709 | *dp++ = hex(ch & 0xF); | |
710 | } | |
711 | else | |
712 | *dp++ = ch; | |
713 | } | |
714 | *dp = 0; | |
715 | ||
716 | return qref; | |
717 | } | |
718 | ||
719 | int fetch_ref(char *ref, unsigned char *sha1) | |
720 | { | |
721 | char *url; | |
722 | char hex[42]; | |
723 | struct buffer buffer; | |
724 | char *base = remote->url; | |
725 | struct active_request_slot *slot; | |
baa7b67d | 726 | struct slot_results results; |
58e60dd2 NH |
727 | buffer.size = 41; |
728 | buffer.posn = 0; | |
729 | buffer.buffer = hex; | |
730 | hex[41] = '\0'; | |
baa7b67d | 731 | |
58e60dd2 NH |
732 | url = quote_ref_url(base, ref); |
733 | slot = get_active_slot(); | |
baa7b67d | 734 | slot->results = &results; |
58e60dd2 | 735 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 736 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
737 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); |
738 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
739 | if (start_active_slot(slot)) { | |
740 | run_active_slot(slot); | |
baa7b67d | 741 | if (results.curl_result != CURLE_OK) |
58e60dd2 NH |
742 | return error("Couldn't get %s for %s\n%s", |
743 | url, ref, curl_errorstr); | |
744 | } else { | |
745 | return error("Unable to start request"); | |
746 | } | |
747 | ||
748 | hex[40] = '\0'; | |
749 | get_sha1_hex(hex, sha1); | |
750 | return 0; | |
751 | } | |
752 | ||
aa1dbc98 NH |
753 | static void one_remote_object(const char *hex) |
754 | { | |
755 | unsigned char sha1[20]; | |
756 | struct object *obj; | |
757 | ||
758 | if (get_sha1_hex(hex, sha1) != 0) | |
759 | return; | |
760 | ||
761 | obj = lookup_object(sha1); | |
762 | if (!obj) | |
763 | obj = parse_object(sha1); | |
764 | ||
765 | /* Ignore remote objects that don't exist locally */ | |
766 | if (!obj) | |
767 | return; | |
768 | ||
769 | obj->flags |= REMOTE; | |
770 | if (!object_list_contains(objects, obj)) | |
771 | add_object(obj, &objects, NULL, ""); | |
772 | } | |
773 | ||
acf59575 | 774 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 775 | { |
acf59575 NH |
776 | int *lock_flags = (int *)ctx->userData; |
777 | ||
778 | if (tag_closed) { | |
779 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
780 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
781 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
782 | *lock_flags |= DAV_LOCK_OK; | |
783 | } | |
784 | *lock_flags &= DAV_LOCK_OK; | |
785 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
786 | *lock_flags |= DAV_PROP_LOCKWR; | |
787 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
788 | *lock_flags |= DAV_PROP_LOCKEX; | |
789 | } | |
790 | } | |
26349b2e NH |
791 | } |
792 | ||
acf59575 | 793 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 794 | { |
aa1dbc98 | 795 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; |
acf59575 NH |
796 | |
797 | if (tag_closed && ctx->cdata) { | |
798 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
799 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
800 | strcpy(lock->owner, ctx->cdata); | |
801 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
802 | if (!strncmp(ctx->cdata, "Second-", 7)) | |
803 | lock->timeout = | |
804 | strtol(ctx->cdata + 7, NULL, 10); | |
805 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
806 | if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) { | |
3e2f62be | 807 | lock->token = xmalloc(strlen(ctx->cdata) - 15); |
acf59575 NH |
808 | strcpy(lock->token, ctx->cdata + 16); |
809 | } | |
810 | } | |
26349b2e NH |
811 | } |
812 | } | |
813 | ||
aa1dbc98 NH |
814 | static void one_remote_ref(char *refname); |
815 | static void crawl_remote_refs(char *path); | |
816 | ||
817 | static void handle_crawl_ref_ctx(struct xml_ctx *ctx, int tag_closed) | |
818 | { | |
819 | struct remote_dentry *dentry = (struct remote_dentry *)ctx->userData; | |
820 | ||
821 | ||
822 | if (tag_closed) { | |
823 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && dentry->name) { | |
824 | if (dentry->is_dir) { | |
825 | if (strcmp(dentry->name, dentry->base)) { | |
826 | crawl_remote_refs(dentry->name); | |
827 | } | |
828 | } else { | |
829 | one_remote_ref(dentry->name); | |
830 | } | |
831 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
832 | dentry->name = xmalloc(strlen(ctx->cdata) - | |
833 | remote->path_len + 1); | |
834 | strcpy(dentry->name, | |
835 | ctx->cdata + remote->path_len); | |
836 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
837 | dentry->is_dir = 1; | |
838 | } | |
839 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
840 | dentry->name = NULL; | |
841 | dentry->is_dir = 0; | |
842 | } | |
843 | } | |
844 | ||
845 | static void handle_remote_object_list_ctx(struct xml_ctx *ctx, int tag_closed) | |
846 | { | |
847 | char *path; | |
848 | char *obj_hex; | |
849 | ||
850 | if (tag_closed) { | |
851 | if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
852 | path = ctx->cdata + remote->path_len; | |
853 | if (strlen(path) != 50) | |
854 | return; | |
855 | path += 9; | |
856 | obj_hex = xmalloc(strlen(path)); | |
857 | strncpy(obj_hex, path, 2); | |
858 | strcpy(obj_hex + 2, path + 3); | |
859 | one_remote_object(obj_hex); | |
860 | free(obj_hex); | |
861 | } | |
862 | } | |
863 | } | |
864 | ||
26349b2e | 865 | static void |
acf59575 | 866 | xml_start_tag(void *userData, const char *name, const char **atts) |
26349b2e | 867 | { |
acf59575 NH |
868 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
869 | const char *c = index(name, ':'); | |
870 | int new_len; | |
871 | ||
872 | if (c == NULL) | |
873 | c = name; | |
874 | else | |
875 | c++; | |
876 | ||
877 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
878 | ||
879 | if (new_len > ctx->len) { | |
880 | ctx->name = xrealloc(ctx->name, new_len); | |
881 | ctx->len = new_len; | |
26349b2e | 882 | } |
acf59575 NH |
883 | strcat(ctx->name, "."); |
884 | strcat(ctx->name, c); | |
26349b2e | 885 | |
acf59575 NH |
886 | if (ctx->cdata) { |
887 | free(ctx->cdata); | |
888 | ctx->cdata = NULL; | |
889 | } | |
890 | ||
891 | ctx->userFunc(ctx, 0); | |
26349b2e NH |
892 | } |
893 | ||
58e60dd2 | 894 | static void |
acf59575 | 895 | xml_end_tag(void *userData, const char *name) |
58e60dd2 | 896 | { |
acf59575 NH |
897 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
898 | const char *c = index(name, ':'); | |
899 | char *ep; | |
58e60dd2 | 900 | |
acf59575 NH |
901 | ctx->userFunc(ctx, 1); |
902 | ||
903 | if (c == NULL) | |
904 | c = name; | |
905 | else | |
906 | c++; | |
907 | ||
908 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
909 | *ep = 0; | |
58e60dd2 NH |
910 | } |
911 | ||
912 | static void | |
acf59575 | 913 | xml_cdata(void *userData, const XML_Char *s, int len) |
58e60dd2 | 914 | { |
acf59575 NH |
915 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
916 | if (ctx->cdata) | |
917 | free(ctx->cdata); | |
918 | ctx->cdata = xcalloc(len+1, 1); | |
919 | strncpy(ctx->cdata, s, len); | |
58e60dd2 NH |
920 | } |
921 | ||
aa1dbc98 | 922 | static struct remote_lock *lock_remote(char *path, long timeout) |
58e60dd2 NH |
923 | { |
924 | struct active_request_slot *slot; | |
baa7b67d | 925 | struct slot_results results; |
58e60dd2 | 926 | struct buffer out_buffer; |
26349b2e | 927 | struct buffer in_buffer; |
58e60dd2 | 928 | char *out_data; |
26349b2e | 929 | char *in_data; |
58e60dd2 | 930 | char *url; |
0772b9a6 | 931 | char *ep; |
58e60dd2 | 932 | char timeout_header[25]; |
aa1dbc98 | 933 | struct remote_lock *lock = remote_locks; |
26349b2e NH |
934 | XML_Parser parser = XML_ParserCreate(NULL); |
935 | enum XML_Status result; | |
58e60dd2 | 936 | struct curl_slist *dav_headers = NULL; |
acf59575 | 937 | struct xml_ctx ctx; |
58e60dd2 | 938 | |
aa1dbc98 NH |
939 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
940 | sprintf(url, "%s%s", remote->url, path); | |
941 | ||
942 | /* Make sure the url is not already locked */ | |
943 | while (lock && strcmp(lock->url, url)) { | |
944 | lock = lock->next; | |
945 | } | |
946 | if (lock) { | |
947 | free(url); | |
948 | if (refresh_lock(lock)) | |
949 | return lock; | |
950 | else | |
951 | return NULL; | |
952 | } | |
0772b9a6 NH |
953 | |
954 | /* Make sure leading directories exist for the remote ref */ | |
955 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
956 | while (ep) { | |
957 | *ep = 0; | |
958 | slot = get_active_slot(); | |
baa7b67d | 959 | slot->results = &results; |
0772b9a6 NH |
960 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
961 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
962 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
963 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
964 | if (start_active_slot(slot)) { | |
965 | run_active_slot(slot); | |
baa7b67d NH |
966 | if (results.curl_result != CURLE_OK && |
967 | results.http_code != 405) { | |
0772b9a6 NH |
968 | fprintf(stderr, |
969 | "Unable to create branch path %s\n", | |
970 | url); | |
971 | free(url); | |
972 | return NULL; | |
973 | } | |
974 | } else { | |
975 | fprintf(stderr, "Unable to start request\n"); | |
976 | free(url); | |
977 | return NULL; | |
978 | } | |
979 | *ep = '/'; | |
980 | ep = strchr(ep + 1, '/'); | |
981 | } | |
982 | ||
58e60dd2 NH |
983 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
984 | out_data = xmalloc(out_buffer.size + 1); | |
985 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
986 | out_buffer.posn = 0; | |
987 | out_buffer.buffer = out_data; | |
988 | ||
26349b2e NH |
989 | in_buffer.size = 4096; |
990 | in_data = xmalloc(in_buffer.size); | |
991 | in_buffer.posn = 0; | |
992 | in_buffer.buffer = in_data; | |
993 | ||
75187c9d | 994 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
995 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
996 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
997 | ||
998 | slot = get_active_slot(); | |
baa7b67d | 999 | slot->results = &results; |
58e60dd2 NH |
1000 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1001 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1002 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e | 1003 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
29508e1e | 1004 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1005 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1006 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1007 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1008 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1009 | ||
aa1dbc98 NH |
1010 | lock = xcalloc(1, sizeof(*lock)); |
1011 | lock->owner = NULL; | |
1012 | lock->token = NULL; | |
1013 | lock->timeout = -1; | |
1014 | lock->refreshing = 0; | |
acf59575 | 1015 | |
58e60dd2 NH |
1016 | if (start_active_slot(slot)) { |
1017 | run_active_slot(slot); | |
baa7b67d | 1018 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1019 | ctx.name = xcalloc(10, 1); |
1020 | ctx.len = 0; | |
1021 | ctx.cdata = NULL; | |
1022 | ctx.userFunc = handle_new_lock_ctx; | |
aa1dbc98 | 1023 | ctx.userData = lock; |
acf59575 NH |
1024 | XML_SetUserData(parser, &ctx); |
1025 | XML_SetElementHandler(parser, xml_start_tag, | |
1026 | xml_end_tag); | |
1027 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1028 | result = XML_Parse(parser, in_buffer.buffer, | |
1029 | in_buffer.posn, 1); | |
1030 | free(ctx.name); | |
1031 | if (result != XML_STATUS_OK) { | |
1032 | fprintf(stderr, "XML error: %s\n", | |
1033 | XML_ErrorString( | |
1034 | XML_GetErrorCode(parser))); | |
aa1dbc98 | 1035 | lock->timeout = -1; |
acf59575 | 1036 | } |
58e60dd2 NH |
1037 | } |
1038 | } else { | |
58e60dd2 NH |
1039 | fprintf(stderr, "Unable to start request\n"); |
1040 | } | |
1041 | ||
acf59575 | 1042 | curl_slist_free_all(dav_headers); |
0772b9a6 | 1043 | free(out_data); |
26349b2e | 1044 | free(in_data); |
26349b2e | 1045 | |
aa1dbc98 NH |
1046 | if (lock->token == NULL || lock->timeout <= 0) { |
1047 | if (lock->token != NULL) | |
1048 | free(lock->token); | |
1049 | if (lock->owner != NULL) | |
1050 | free(lock->owner); | |
75187c9d | 1051 | free(url); |
aa1dbc98 NH |
1052 | free(lock); |
1053 | lock = NULL; | |
acf59575 | 1054 | } else { |
aa1dbc98 NH |
1055 | lock->url = url; |
1056 | lock->active = 1; | |
1057 | lock->start_time = time(NULL); | |
1058 | lock->next = remote_locks; | |
1059 | remote_locks = lock; | |
26349b2e NH |
1060 | } |
1061 | ||
aa1dbc98 | 1062 | return lock; |
58e60dd2 NH |
1063 | } |
1064 | ||
aa1dbc98 | 1065 | static int unlock_remote(struct remote_lock *lock) |
58e60dd2 NH |
1066 | { |
1067 | struct active_request_slot *slot; | |
baa7b67d | 1068 | struct slot_results results; |
58e60dd2 NH |
1069 | char *lock_token_header; |
1070 | struct curl_slist *dav_headers = NULL; | |
1071 | int rc = 0; | |
1072 | ||
26349b2e | 1073 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1074 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1075 | lock->token); |
58e60dd2 NH |
1076 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1077 | ||
1078 | slot = get_active_slot(); | |
baa7b67d | 1079 | slot->results = &results; |
58e60dd2 | 1080 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); |
75187c9d | 1081 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1082 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1083 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1084 | ||
1085 | if (start_active_slot(slot)) { | |
1086 | run_active_slot(slot); | |
baa7b67d | 1087 | if (results.curl_result == CURLE_OK) |
58e60dd2 NH |
1088 | rc = 1; |
1089 | else | |
1090 | fprintf(stderr, "Got HTTP error %ld\n", | |
baa7b67d | 1091 | results.http_code); |
58e60dd2 NH |
1092 | } else { |
1093 | fprintf(stderr, "Unable to start request\n"); | |
1094 | } | |
1095 | ||
1096 | curl_slist_free_all(dav_headers); | |
1097 | free(lock_token_header); | |
75187c9d | 1098 | |
aa1dbc98 | 1099 | lock->active = 0; |
58e60dd2 NH |
1100 | |
1101 | return rc; | |
1102 | } | |
1103 | ||
aa1dbc98 NH |
1104 | static void crawl_remote_refs(char *path) |
1105 | { | |
1106 | char *url; | |
1107 | struct active_request_slot *slot; | |
baa7b67d | 1108 | struct slot_results results; |
aa1dbc98 NH |
1109 | struct buffer in_buffer; |
1110 | struct buffer out_buffer; | |
1111 | char *in_data; | |
1112 | char *out_data; | |
1113 | XML_Parser parser = XML_ParserCreate(NULL); | |
1114 | enum XML_Status result; | |
1115 | struct curl_slist *dav_headers = NULL; | |
1116 | struct xml_ctx ctx; | |
1117 | struct remote_dentry dentry; | |
1118 | ||
1119 | fprintf(stderr, " %s\n", path); | |
1120 | ||
1121 | dentry.base = path; | |
1122 | dentry.name = NULL; | |
1123 | dentry.is_dir = 0; | |
1124 | ||
1125 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
1126 | sprintf(url, "%s%s", remote->url, path); | |
1127 | ||
1128 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1129 | out_data = xmalloc(out_buffer.size + 1); | |
1130 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1131 | out_buffer.posn = 0; | |
1132 | out_buffer.buffer = out_data; | |
1133 | ||
1134 | in_buffer.size = 4096; | |
1135 | in_data = xmalloc(in_buffer.size); | |
1136 | in_buffer.posn = 0; | |
1137 | in_buffer.buffer = in_data; | |
1138 | ||
1139 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1140 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1141 | ||
1142 | slot = get_active_slot(); | |
baa7b67d | 1143 | slot->results = &results; |
aa1dbc98 NH |
1144 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1145 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1146 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1147 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1148 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1149 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1150 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1151 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1152 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1153 | ||
1154 | if (start_active_slot(slot)) { | |
1155 | run_active_slot(slot); | |
baa7b67d | 1156 | if (results.curl_result == CURLE_OK) { |
aa1dbc98 NH |
1157 | ctx.name = xcalloc(10, 1); |
1158 | ctx.len = 0; | |
1159 | ctx.cdata = NULL; | |
1160 | ctx.userFunc = handle_crawl_ref_ctx; | |
1161 | ctx.userData = &dentry; | |
1162 | XML_SetUserData(parser, &ctx); | |
1163 | XML_SetElementHandler(parser, xml_start_tag, | |
1164 | xml_end_tag); | |
1165 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1166 | result = XML_Parse(parser, in_buffer.buffer, | |
1167 | in_buffer.posn, 1); | |
1168 | free(ctx.name); | |
1169 | ||
1170 | if (result != XML_STATUS_OK) { | |
1171 | fprintf(stderr, "XML error: %s\n", | |
1172 | XML_ErrorString( | |
1173 | XML_GetErrorCode(parser))); | |
1174 | } | |
1175 | } | |
1176 | } else { | |
1177 | fprintf(stderr, "Unable to start request\n"); | |
1178 | } | |
1179 | ||
1180 | free(url); | |
1181 | free(out_data); | |
1182 | free(in_buffer.buffer); | |
1183 | curl_slist_free_all(dav_headers); | |
1184 | } | |
1185 | ||
1186 | static void get_remote_object_list(unsigned char parent) | |
1187 | { | |
1188 | char *url; | |
1189 | struct active_request_slot *slot; | |
baa7b67d | 1190 | struct slot_results results; |
aa1dbc98 NH |
1191 | struct buffer in_buffer; |
1192 | struct buffer out_buffer; | |
1193 | char *in_data; | |
1194 | char *out_data; | |
1195 | XML_Parser parser = XML_ParserCreate(NULL); | |
1196 | enum XML_Status result; | |
1197 | struct curl_slist *dav_headers = NULL; | |
1198 | struct xml_ctx ctx; | |
1199 | char path[] = "/objects/XX/"; | |
1200 | static const char hex[] = "0123456789abcdef"; | |
1201 | unsigned int val = parent; | |
1202 | ||
1203 | path[9] = hex[val >> 4]; | |
1204 | path[10] = hex[val & 0xf]; | |
1205 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
1206 | sprintf(url, "%s%s", remote->url, path); | |
1207 | ||
1208 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1209 | out_data = xmalloc(out_buffer.size + 1); | |
1210 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1211 | out_buffer.posn = 0; | |
1212 | out_buffer.buffer = out_data; | |
1213 | ||
1214 | in_buffer.size = 4096; | |
1215 | in_data = xmalloc(in_buffer.size); | |
1216 | in_buffer.posn = 0; | |
1217 | in_buffer.buffer = in_data; | |
1218 | ||
1219 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1220 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1221 | ||
1222 | slot = get_active_slot(); | |
baa7b67d | 1223 | slot->results = &results; |
aa1dbc98 NH |
1224 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1225 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1226 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1227 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1228 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1229 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1230 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1231 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1232 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1233 | ||
1234 | if (start_active_slot(slot)) { | |
1235 | run_active_slot(slot); | |
baa7b67d | 1236 | if (results.curl_result == CURLE_OK) { |
aa1dbc98 NH |
1237 | remote_dir_exists[parent] = 1; |
1238 | ctx.name = xcalloc(10, 1); | |
1239 | ctx.len = 0; | |
1240 | ctx.cdata = NULL; | |
1241 | ctx.userFunc = handle_remote_object_list_ctx; | |
1242 | XML_SetUserData(parser, &ctx); | |
1243 | XML_SetElementHandler(parser, xml_start_tag, | |
1244 | xml_end_tag); | |
1245 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1246 | result = XML_Parse(parser, in_buffer.buffer, | |
1247 | in_buffer.posn, 1); | |
1248 | free(ctx.name); | |
1249 | ||
1250 | if (result != XML_STATUS_OK) { | |
1251 | fprintf(stderr, "XML error: %s\n", | |
1252 | XML_ErrorString( | |
1253 | XML_GetErrorCode(parser))); | |
1254 | } | |
1255 | } else { | |
1256 | remote_dir_exists[parent] = 0; | |
1257 | } | |
1258 | } else { | |
1259 | fprintf(stderr, "Unable to start request\n"); | |
1260 | } | |
1261 | ||
1262 | free(url); | |
1263 | free(out_data); | |
1264 | free(in_buffer.buffer); | |
1265 | curl_slist_free_all(dav_headers); | |
1266 | } | |
1267 | ||
acf59575 | 1268 | static int locking_available(void) |
58e60dd2 NH |
1269 | { |
1270 | struct active_request_slot *slot; | |
baa7b67d | 1271 | struct slot_results results; |
58e60dd2 NH |
1272 | struct buffer in_buffer; |
1273 | struct buffer out_buffer; | |
1274 | char *in_data; | |
1275 | char *out_data; | |
1276 | XML_Parser parser = XML_ParserCreate(NULL); | |
1277 | enum XML_Status result; | |
58e60dd2 | 1278 | struct curl_slist *dav_headers = NULL; |
acf59575 NH |
1279 | struct xml_ctx ctx; |
1280 | int lock_flags = 0; | |
58e60dd2 | 1281 | |
aa1dbc98 NH |
1282 | out_buffer.size = |
1283 | strlen(PROPFIND_SUPPORTEDLOCK_REQUEST) + | |
1284 | strlen(remote->url) - 2; | |
58e60dd2 | 1285 | out_data = xmalloc(out_buffer.size + 1); |
aa1dbc98 NH |
1286 | snprintf(out_data, out_buffer.size + 1, |
1287 | PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url); | |
58e60dd2 NH |
1288 | out_buffer.posn = 0; |
1289 | out_buffer.buffer = out_data; | |
1290 | ||
1291 | in_buffer.size = 4096; | |
1292 | in_data = xmalloc(in_buffer.size); | |
1293 | in_buffer.posn = 0; | |
1294 | in_buffer.buffer = in_data; | |
1295 | ||
1296 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1297 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
baa7b67d | 1298 | |
58e60dd2 | 1299 | slot = get_active_slot(); |
baa7b67d | 1300 | slot->results = &results; |
58e60dd2 NH |
1301 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1302 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1303 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1304 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
29508e1e | 1305 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1306 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); |
1307 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1308 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1309 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1310 | ||
1311 | if (start_active_slot(slot)) { | |
1312 | run_active_slot(slot); | |
baa7b67d | 1313 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1314 | ctx.name = xcalloc(10, 1); |
1315 | ctx.len = 0; | |
1316 | ctx.cdata = NULL; | |
1317 | ctx.userFunc = handle_lockprop_ctx; | |
1318 | ctx.userData = &lock_flags; | |
1319 | XML_SetUserData(parser, &ctx); | |
1320 | XML_SetElementHandler(parser, xml_start_tag, | |
1321 | xml_end_tag); | |
1322 | result = XML_Parse(parser, in_buffer.buffer, | |
1323 | in_buffer.posn, 1); | |
1324 | free(ctx.name); | |
1325 | ||
1326 | if (result != XML_STATUS_OK) { | |
1327 | fprintf(stderr, "XML error: %s\n", | |
1328 | XML_ErrorString( | |
1329 | XML_GetErrorCode(parser))); | |
1330 | lock_flags = 0; | |
1331 | } | |
58e60dd2 | 1332 | } |
58e60dd2 | 1333 | } else { |
acf59575 | 1334 | fprintf(stderr, "Unable to start request\n"); |
58e60dd2 NH |
1335 | } |
1336 | ||
acf59575 NH |
1337 | free(out_data); |
1338 | free(in_buffer.buffer); | |
1339 | curl_slist_free_all(dav_headers); | |
1340 | ||
1341 | return lock_flags; | |
58e60dd2 NH |
1342 | } |
1343 | ||
aa1dbc98 NH |
1344 | static struct object_list **process_blob(struct blob *blob, |
1345 | struct object_list **p, | |
1346 | struct name_path *path, | |
1347 | const char *name) | |
58e60dd2 | 1348 | { |
aa1dbc98 | 1349 | struct object *obj = &blob->object; |
58e60dd2 | 1350 | |
aa1dbc98 NH |
1351 | obj->flags |= LOCAL; |
1352 | ||
1353 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1354 | return p; | |
1355 | ||
1356 | obj->flags |= SEEN; | |
1357 | return add_object(obj, p, path, name); | |
1358 | } | |
1359 | ||
1360 | static struct object_list **process_tree(struct tree *tree, | |
1361 | struct object_list **p, | |
1362 | struct name_path *path, | |
1363 | const char *name) | |
1364 | { | |
1365 | struct object *obj = &tree->object; | |
1366 | struct tree_entry_list *entry; | |
1367 | struct name_path me; | |
1368 | ||
1369 | obj->flags |= LOCAL; | |
1370 | ||
1371 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1372 | return p; | |
1373 | if (parse_tree(tree) < 0) | |
1374 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1375 | ||
1376 | obj->flags |= SEEN; | |
1377 | p = add_object(obj, p, NULL, name); | |
1378 | me.up = path; | |
1379 | me.elem = name; | |
1380 | me.elem_len = strlen(name); | |
1381 | entry = tree->entries; | |
1382 | tree->entries = NULL; | |
1383 | while (entry) { | |
1384 | struct tree_entry_list *next = entry->next; | |
1385 | if (entry->directory) | |
1386 | p = process_tree(entry->item.tree, p, &me, entry->name); | |
1387 | else | |
1388 | p = process_blob(entry->item.blob, p, &me, entry->name); | |
1389 | free(entry); | |
1390 | entry = next; | |
58e60dd2 | 1391 | } |
aa1dbc98 | 1392 | return p; |
58e60dd2 NH |
1393 | } |
1394 | ||
aa1dbc98 | 1395 | static void get_delta(struct rev_info *revs, struct remote_lock *lock) |
58e60dd2 NH |
1396 | { |
1397 | struct commit *commit; | |
aa1dbc98 | 1398 | struct object_list **p = &objects, *pending; |
58e60dd2 | 1399 | |
aa1dbc98 NH |
1400 | while ((commit = get_revision(revs)) != NULL) { |
1401 | p = process_tree(commit->tree, p, NULL, ""); | |
1402 | commit->object.flags |= LOCAL; | |
1403 | if (!(commit->object.flags & UNINTERESTING)) | |
1404 | add_request(&commit->object, lock); | |
1405 | } | |
58e60dd2 | 1406 | |
aa1dbc98 NH |
1407 | for (pending = revs->pending_objects; pending; pending = pending->next) { |
1408 | struct object *obj = pending->item; | |
1409 | const char *name = pending->name; | |
58e60dd2 | 1410 | |
aa1dbc98 NH |
1411 | if (obj->flags & (UNINTERESTING | SEEN)) |
1412 | continue; | |
1413 | if (obj->type == tag_type) { | |
1414 | obj->flags |= SEEN; | |
1415 | p = add_object(obj, p, NULL, name); | |
1416 | continue; | |
58e60dd2 | 1417 | } |
aa1dbc98 NH |
1418 | if (obj->type == tree_type) { |
1419 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1420 | continue; | |
58e60dd2 | 1421 | } |
aa1dbc98 NH |
1422 | if (obj->type == blob_type) { |
1423 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1424 | continue; | |
58e60dd2 | 1425 | } |
aa1dbc98 NH |
1426 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); |
1427 | } | |
1428 | ||
1429 | while (objects) { | |
1430 | if (!(objects->item->flags & UNINTERESTING)) | |
1431 | add_request(objects->item, lock); | |
1432 | objects = objects->next; | |
58e60dd2 NH |
1433 | } |
1434 | } | |
1435 | ||
aa1dbc98 | 1436 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) |
58e60dd2 NH |
1437 | { |
1438 | struct active_request_slot *slot; | |
baa7b67d | 1439 | struct slot_results results; |
58e60dd2 NH |
1440 | char *out_data; |
1441 | char *if_header; | |
1442 | struct buffer out_buffer; | |
1443 | struct curl_slist *dav_headers = NULL; | |
1444 | int i; | |
1445 | ||
26349b2e NH |
1446 | if_header = xmalloc(strlen(lock->token) + 25); |
1447 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1448 | dav_headers = curl_slist_append(dav_headers, if_header); |
1449 | ||
1450 | out_buffer.size = 41; | |
1451 | out_data = xmalloc(out_buffer.size + 1); | |
1452 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1453 | if (i != out_buffer.size) { | |
1454 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1455 | return 0; | |
1456 | } | |
1457 | out_buffer.posn = 0; | |
1458 | out_buffer.buffer = out_data; | |
1459 | ||
1460 | slot = get_active_slot(); | |
baa7b67d | 1461 | slot->results = &results; |
58e60dd2 NH |
1462 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1463 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1464 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1465 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1466 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1467 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1468 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1469 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1470 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1471 | |
1472 | if (start_active_slot(slot)) { | |
1473 | run_active_slot(slot); | |
1474 | free(out_data); | |
1475 | free(if_header); | |
baa7b67d | 1476 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1477 | fprintf(stderr, |
1478 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
baa7b67d | 1479 | results.curl_result, results.http_code); |
58e60dd2 NH |
1480 | /* We should attempt recovery? */ |
1481 | return 0; | |
1482 | } | |
1483 | } else { | |
1484 | free(out_data); | |
1485 | free(if_header); | |
58e60dd2 NH |
1486 | fprintf(stderr, "Unable to start PUT request\n"); |
1487 | return 0; | |
1488 | } | |
1489 | ||
1490 | return 1; | |
1491 | } | |
1492 | ||
aa1dbc98 NH |
1493 | static struct ref *local_refs, **local_tail; |
1494 | static struct ref *remote_refs, **remote_tail; | |
1495 | ||
1496 | static int one_local_ref(const char *refname, const unsigned char *sha1) | |
1497 | { | |
1498 | struct ref *ref; | |
1499 | int len = strlen(refname) + 1; | |
1500 | ref = xcalloc(1, sizeof(*ref) + len); | |
1501 | memcpy(ref->new_sha1, sha1, 20); | |
1502 | memcpy(ref->name, refname, len); | |
1503 | *local_tail = ref; | |
1504 | local_tail = &ref->next; | |
1505 | return 0; | |
1506 | } | |
1507 | ||
1508 | static void one_remote_ref(char *refname) | |
1509 | { | |
1510 | struct ref *ref; | |
1511 | unsigned char remote_sha1[20]; | |
1512 | ||
1513 | if (fetch_ref(refname, remote_sha1) != 0) { | |
1514 | fprintf(stderr, | |
1515 | "Unable to fetch ref %s from %s\n", | |
1516 | refname, remote->url); | |
1517 | return; | |
1518 | } | |
1519 | ||
1520 | int len = strlen(refname) + 1; | |
1521 | ref = xcalloc(1, sizeof(*ref) + len); | |
1522 | memcpy(ref->old_sha1, remote_sha1, 20); | |
1523 | memcpy(ref->name, refname, len); | |
1524 | *remote_tail = ref; | |
1525 | remote_tail = &ref->next; | |
1526 | } | |
1527 | ||
1528 | static void get_local_heads(void) | |
1529 | { | |
1530 | local_tail = &local_refs; | |
1531 | for_each_ref(one_local_ref); | |
1532 | } | |
1533 | ||
1534 | static void get_dav_remote_heads(void) | |
1535 | { | |
1536 | remote_tail = &remote_refs; | |
1537 | crawl_remote_refs("refs/"); | |
1538 | } | |
1539 | ||
1540 | static int is_zero_sha1(const unsigned char *sha1) | |
1541 | { | |
1542 | int i; | |
1543 | ||
1544 | for (i = 0; i < 20; i++) { | |
1545 | if (*sha1++) | |
1546 | return 0; | |
1547 | } | |
1548 | return 1; | |
1549 | } | |
1550 | ||
1551 | static void unmark_and_free(struct commit_list *list, unsigned int mark) | |
1552 | { | |
1553 | while (list) { | |
1554 | struct commit_list *temp = list; | |
1555 | temp->item->object.flags &= ~mark; | |
1556 | list = temp->next; | |
1557 | free(temp); | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | static int ref_newer(const unsigned char *new_sha1, | |
1562 | const unsigned char *old_sha1) | |
1563 | { | |
1564 | struct object *o; | |
1565 | struct commit *old, *new; | |
1566 | struct commit_list *list, *used; | |
1567 | int found = 0; | |
1568 | ||
1569 | /* Both new and old must be commit-ish and new is descendant of | |
1570 | * old. Otherwise we require --force. | |
1571 | */ | |
1572 | o = deref_tag(parse_object(old_sha1), NULL, 0); | |
1573 | if (!o || o->type != commit_type) | |
1574 | return 0; | |
1575 | old = (struct commit *) o; | |
1576 | ||
1577 | o = deref_tag(parse_object(new_sha1), NULL, 0); | |
1578 | if (!o || o->type != commit_type) | |
1579 | return 0; | |
1580 | new = (struct commit *) o; | |
1581 | ||
1582 | if (parse_commit(new) < 0) | |
1583 | return 0; | |
1584 | ||
1585 | used = list = NULL; | |
1586 | commit_list_insert(new, &list); | |
1587 | while (list) { | |
1588 | new = pop_most_recent_commit(&list, TMP_MARK); | |
1589 | commit_list_insert(new, &used); | |
1590 | if (new == old) { | |
1591 | found = 1; | |
1592 | break; | |
1593 | } | |
1594 | } | |
1595 | unmark_and_free(list, TMP_MARK); | |
1596 | unmark_and_free(used, TMP_MARK); | |
1597 | return found; | |
1598 | } | |
1599 | ||
1600 | static void mark_edge_parents_uninteresting(struct commit *commit) | |
1601 | { | |
1602 | struct commit_list *parents; | |
1603 | ||
1604 | for (parents = commit->parents; parents; parents = parents->next) { | |
1605 | struct commit *parent = parents->item; | |
1606 | if (!(parent->object.flags & UNINTERESTING)) | |
1607 | continue; | |
1608 | mark_tree_uninteresting(parent->tree); | |
1609 | } | |
1610 | } | |
1611 | ||
1612 | static void mark_edges_uninteresting(struct commit_list *list) | |
1613 | { | |
1614 | for ( ; list; list = list->next) { | |
1615 | struct commit *commit = list->item; | |
1616 | ||
1617 | if (commit->object.flags & UNINTERESTING) { | |
1618 | mark_tree_uninteresting(commit->tree); | |
1619 | continue; | |
1620 | } | |
1621 | mark_edge_parents_uninteresting(commit); | |
1622 | } | |
1623 | } | |
1624 | ||
58e60dd2 NH |
1625 | int main(int argc, char **argv) |
1626 | { | |
58e60dd2 NH |
1627 | struct transfer_request *request; |
1628 | struct transfer_request *next_request; | |
1629 | int nr_refspec = 0; | |
1630 | char **refspec = NULL; | |
aa1dbc98 NH |
1631 | struct remote_lock *ref_lock; |
1632 | struct rev_info revs; | |
58e60dd2 NH |
1633 | int rc = 0; |
1634 | int i; | |
1635 | ||
5a327713 | 1636 | setup_git_directory(); |
58e60dd2 NH |
1637 | setup_ident(); |
1638 | ||
1639 | remote = xmalloc(sizeof(*remote)); | |
1640 | remote->url = NULL; | |
aa1dbc98 | 1641 | remote->path_len = 0; |
58e60dd2 NH |
1642 | remote->packs = NULL; |
1643 | ||
1644 | argv++; | |
1645 | for (i = 1; i < argc; i++, argv++) { | |
1646 | char *arg = *argv; | |
1647 | ||
1648 | if (*arg == '-') { | |
aa1dbc98 | 1649 | if (!strcmp(arg, "--all")) { |
58e60dd2 NH |
1650 | push_all = 1; |
1651 | continue; | |
1652 | } | |
1653 | if (!strcmp(arg, "--force")) { | |
1654 | force_all = 1; | |
1655 | continue; | |
1656 | } | |
1657 | if (!strcmp(arg, "--verbose")) { | |
1658 | push_verbosely = 1; | |
1659 | continue; | |
1660 | } | |
1661 | usage(http_push_usage); | |
1662 | } | |
1663 | if (!remote->url) { | |
1664 | remote->url = arg; | |
aa1dbc98 NH |
1665 | char *path = strstr(arg, "//"); |
1666 | if (path) { | |
1667 | path = index(path+2, '/'); | |
1668 | if (path) | |
1669 | remote->path_len = strlen(path); | |
1670 | } | |
58e60dd2 NH |
1671 | continue; |
1672 | } | |
1673 | refspec = argv; | |
1674 | nr_refspec = argc - i; | |
1675 | break; | |
1676 | } | |
1677 | ||
3e9fabc8 NH |
1678 | if (!remote->url) |
1679 | usage(http_push_usage); | |
1680 | ||
aa1dbc98 | 1681 | memset(remote_dir_exists, -1, 256); |
0dd276b8 | 1682 | |
29508e1e | 1683 | http_init(); |
58e60dd2 NH |
1684 | |
1685 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1686 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1687 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1688 | default_headers = curl_slist_append(default_headers, "If:"); | |
1689 | default_headers = curl_slist_append(default_headers, | |
1690 | "Pragma: no-cache"); | |
1691 | ||
58e60dd2 | 1692 | /* Verify DAV compliance/lock support */ |
acf59575 | 1693 | if (!locking_available()) { |
58e60dd2 NH |
1694 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); |
1695 | rc = 1; | |
1696 | goto cleanup; | |
1697 | } | |
1698 | ||
aa1dbc98 NH |
1699 | /* Get a list of all local and remote heads to validate refspecs */ |
1700 | get_local_heads(); | |
1701 | fprintf(stderr, "Fetching remote heads...\n"); | |
1702 | get_dav_remote_heads(); | |
1703 | ||
1704 | /* match them up */ | |
1705 | if (!remote_tail) | |
1706 | remote_tail = &remote_refs; | |
1707 | if (match_refs(local_refs, remote_refs, &remote_tail, | |
1708 | nr_refspec, refspec, push_all)) | |
1709 | return -1; | |
1710 | if (!remote_refs) { | |
1711 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | int ret = 0; | |
1716 | int new_refs = 0; | |
1717 | struct ref *ref; | |
1718 | for (ref = remote_refs; ref; ref = ref->next) { | |
1719 | char old_hex[60], *new_hex; | |
1720 | if (!ref->peer_ref) | |
1721 | continue; | |
1722 | if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) { | |
1723 | if (push_verbosely || 1) | |
1724 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1725 | continue; | |
1726 | } | |
1727 | ||
1728 | if (!force_all && | |
1729 | !is_zero_sha1(ref->old_sha1) && | |
1730 | !ref->force) { | |
1731 | if (!has_sha1_file(ref->old_sha1) || | |
1732 | !ref_newer(ref->peer_ref->new_sha1, | |
1733 | ref->old_sha1)) { | |
1734 | /* We do not have the remote ref, or | |
1735 | * we know that the remote ref is not | |
1736 | * an ancestor of what we are trying to | |
1737 | * push. Either way this can be losing | |
1738 | * commits at the remote end and likely | |
1739 | * we were not up to date to begin with. | |
1740 | */ | |
1741 | error("remote '%s' is not a strict " | |
1742 | "subset of local ref '%s'. " | |
1743 | "maybe you are not up-to-date and " | |
1744 | "need to pull first?", | |
1745 | ref->name, | |
1746 | ref->peer_ref->name); | |
1747 | ret = -2; | |
1748 | continue; | |
1749 | } | |
58e60dd2 | 1750 | } |
aa1dbc98 NH |
1751 | memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20); |
1752 | if (is_zero_sha1(ref->new_sha1)) { | |
1753 | error("cannot happen anymore"); | |
1754 | ret = -3; | |
1755 | continue; | |
58e60dd2 | 1756 | } |
aa1dbc98 NH |
1757 | new_refs++; |
1758 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
1759 | new_hex = sha1_to_hex(ref->new_sha1); | |
1760 | ||
1761 | fprintf(stderr, "updating '%s'", ref->name); | |
1762 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1763 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1764 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
1765 | ||
58e60dd2 NH |
1766 | |
1767 | /* Lock remote branch ref */ | |
aa1dbc98 NH |
1768 | ref_lock = lock_remote(ref->name, LOCK_TIME); |
1769 | if (ref_lock == NULL) { | |
58e60dd2 | 1770 | fprintf(stderr, "Unable to lock remote branch %s\n", |
aa1dbc98 | 1771 | ref->name); |
58e60dd2 NH |
1772 | rc = 1; |
1773 | continue; | |
1774 | } | |
1775 | ||
aa1dbc98 | 1776 | /* Set up revision info for this refspec */ |
5241bfe6 NH |
1777 | const char *commit_argv[4]; |
1778 | int commit_argc = 3; | |
aa1dbc98 NH |
1779 | char *new_sha1_hex = strdup(sha1_to_hex(ref->new_sha1)); |
1780 | char *old_sha1_hex = NULL; | |
5241bfe6 NH |
1781 | commit_argv[1] = "--objects"; |
1782 | commit_argv[2] = new_sha1_hex; | |
aa1dbc98 NH |
1783 | if (!push_all && !is_zero_sha1(ref->old_sha1)) { |
1784 | old_sha1_hex = xmalloc(42); | |
1785 | sprintf(old_sha1_hex, "^%s", | |
1786 | sha1_to_hex(ref->old_sha1)); | |
5241bfe6 | 1787 | commit_argv[3] = old_sha1_hex; |
aa1dbc98 | 1788 | commit_argc++; |
58e60dd2 | 1789 | } |
aa1dbc98 | 1790 | setup_revisions(commit_argc, commit_argv, &revs, NULL); |
aa1dbc98 NH |
1791 | free(new_sha1_hex); |
1792 | if (old_sha1_hex) { | |
1793 | free(old_sha1_hex); | |
1794 | commit_argv[1] = NULL; | |
58e60dd2 NH |
1795 | } |
1796 | ||
aa1dbc98 | 1797 | /* Generate a list of objects that need to be pushed */ |
58e60dd2 | 1798 | pushing = 0; |
aa1dbc98 NH |
1799 | prepare_revision_walk(&revs); |
1800 | mark_edges_uninteresting(revs.commits); | |
1801 | fetch_indices(); | |
1802 | get_delta(&revs, ref_lock); | |
29508e1e | 1803 | finish_all_active_slots(); |
58e60dd2 NH |
1804 | |
1805 | /* Push missing objects to remote, this would be a | |
1806 | convenient time to pack them first if appropriate. */ | |
1807 | pushing = 1; | |
29508e1e NH |
1808 | fill_active_slots(); |
1809 | finish_all_active_slots(); | |
58e60dd2 NH |
1810 | |
1811 | /* Update the remote branch if all went well */ | |
aa1dbc98 NH |
1812 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) { |
1813 | rc = 1; | |
1814 | goto unlock; | |
58e60dd2 NH |
1815 | } |
1816 | ||
1817 | unlock: | |
aa1dbc98 NH |
1818 | if (!rc) |
1819 | fprintf(stderr, " done\n"); | |
1820 | unlock_remote(ref_lock); | |
58e60dd2 NH |
1821 | } |
1822 | ||
1823 | cleanup: | |
1824 | free(remote); | |
1825 | ||
1826 | curl_slist_free_all(no_pragma_header); | |
1827 | curl_slist_free_all(default_headers); | |
1828 | ||
29508e1e | 1829 | http_cleanup(); |
58e60dd2 NH |
1830 | |
1831 | request = request_queue_head; | |
1832 | while (request != NULL) { | |
1833 | next_request = request->next; | |
1834 | release_request(request); | |
58e60dd2 NH |
1835 | request = next_request; |
1836 | } | |
1837 | ||
58e60dd2 NH |
1838 | return rc; |
1839 | } |