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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" | |
7 | ||
8 | #include <curl/curl.h> | |
9 | #include <curl/easy.h> | |
10 | #include "expat.h" | |
11 | ||
12 | static const char http_push_usage[] = | |
13 | "git-http-push [--complete] [--force] [--verbose] <url> <ref> [<ref>...]\n"; | |
14 | ||
15 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
16 | #define USE_CURL_MULTI | |
17 | #define DEFAULT_MAX_REQUESTS 5 | |
18 | #endif | |
19 | ||
20 | #if LIBCURL_VERSION_NUM < 0x070704 | |
21 | #define curl_global_cleanup() do { /* nothing */ } while(0) | |
22 | #endif | |
23 | #if LIBCURL_VERSION_NUM < 0x070800 | |
24 | #define curl_global_init(a) do { /* nothing */ } while(0) | |
25 | #endif | |
26 | ||
27 | #if LIBCURL_VERSION_NUM < 0x070c04 | |
28 | #define NO_CURL_EASY_DUPHANDLE | |
29 | #endif | |
30 | ||
31 | #define RANGE_HEADER_SIZE 30 | |
32 | ||
33 | /* DAV method names and request body templates */ | |
34 | #define DAV_LOCK "LOCK" | |
35 | #define DAV_MKCOL "MKCOL" | |
36 | #define DAV_MOVE "MOVE" | |
37 | #define DAV_PROPFIND "PROPFIND" | |
38 | #define DAV_PUT "PUT" | |
39 | #define DAV_UNLOCK "UNLOCK" | |
40 | #define PROPFIND_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>" | |
41 | #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>" | |
42 | ||
75187c9d NH |
43 | #define LOCK_TIME 600 |
44 | #define LOCK_REFRESH 30 | |
45 | ||
58e60dd2 NH |
46 | static int active_requests = 0; |
47 | static int data_received; | |
48 | static int pushing = 0; | |
49 | static int aborted = 0; | |
50 | ||
51 | #ifdef USE_CURL_MULTI | |
52 | static int max_requests = -1; | |
53 | static CURLM *curlm; | |
54 | #endif | |
55 | #ifndef NO_CURL_EASY_DUPHANDLE | |
56 | static CURL *curl_default; | |
57 | #endif | |
58 | static struct curl_slist *no_pragma_header; | |
59 | static struct curl_slist *default_headers; | |
60 | static char curl_errorstr[CURL_ERROR_SIZE]; | |
58e60dd2 NH |
61 | |
62 | static int push_verbosely = 0; | |
63 | static int push_all = 0; | |
64 | static int force_all = 0; | |
65 | ||
66 | struct buffer | |
67 | { | |
68 | size_t posn; | |
69 | size_t size; | |
70 | void *buffer; | |
71 | }; | |
72 | ||
73 | struct repo | |
74 | { | |
75 | char *url; | |
76 | struct packed_git *packs; | |
77 | }; | |
78 | ||
79 | static struct repo *remote = NULL; | |
80 | ||
81 | enum transfer_state { | |
82 | NEED_CHECK, | |
83 | RUN_HEAD, | |
84 | NEED_PUSH, | |
85 | RUN_MKCOL, | |
86 | RUN_PUT, | |
87 | RUN_MOVE, | |
88 | ABORTED, | |
89 | COMPLETE, | |
90 | }; | |
91 | ||
92 | struct transfer_request | |
93 | { | |
94 | unsigned char sha1[20]; | |
95 | char *url; | |
96 | char *dest; | |
26349b2e | 97 | struct active_lock *lock; |
58e60dd2 NH |
98 | struct curl_slist *headers; |
99 | struct buffer buffer; | |
100 | char filename[PATH_MAX]; | |
101 | char tmpfile[PATH_MAX]; | |
102 | enum transfer_state state; | |
103 | CURLcode curl_result; | |
104 | char errorstr[CURL_ERROR_SIZE]; | |
105 | long http_code; | |
106 | unsigned char real_sha1[20]; | |
107 | SHA_CTX c; | |
108 | z_stream stream; | |
109 | int zret; | |
110 | int rename; | |
111 | struct active_request_slot *slot; | |
112 | struct transfer_request *next; | |
113 | }; | |
114 | ||
115 | struct active_request_slot | |
116 | { | |
117 | CURL *curl; | |
118 | FILE *local; | |
119 | int in_use; | |
120 | int done; | |
121 | CURLcode curl_result; | |
122 | long http_code; | |
123 | struct active_request_slot *next; | |
124 | }; | |
125 | ||
126 | static struct transfer_request *request_queue_head = NULL; | |
127 | static struct active_request_slot *active_queue_head = NULL; | |
128 | ||
129 | static int curl_ssl_verify = -1; | |
130 | static char *ssl_cert = NULL; | |
131 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
132 | static char *ssl_key = NULL; | |
133 | #endif | |
134 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
135 | static char *ssl_capath = NULL; | |
136 | #endif | |
137 | static char *ssl_cainfo = NULL; | |
138 | static long curl_low_speed_limit = -1; | |
139 | static long curl_low_speed_time = -1; | |
140 | ||
26349b2e NH |
141 | struct active_lock |
142 | { | |
143 | int ctx_activelock; | |
144 | int ctx_owner; | |
145 | int ctx_owner_href; | |
146 | int ctx_timeout; | |
147 | int ctx_locktoken; | |
148 | int ctx_locktoken_href; | |
75187c9d | 149 | char *url; |
26349b2e | 150 | char *owner; |
75187c9d | 151 | char *token; |
26349b2e NH |
152 | time_t start_time; |
153 | long timeout; | |
75187c9d | 154 | int refreshing; |
26349b2e NH |
155 | }; |
156 | ||
58e60dd2 NH |
157 | struct lockprop |
158 | { | |
159 | int supported_lock; | |
160 | int lock_entry; | |
161 | int lock_scope; | |
162 | int lock_type; | |
163 | int lock_exclusive; | |
164 | int lock_exclusive_write; | |
165 | }; | |
166 | ||
167 | static int http_options(const char *var, const char *value) | |
168 | { | |
169 | if (!strcmp("http.sslverify", var)) { | |
170 | if (curl_ssl_verify == -1) { | |
171 | curl_ssl_verify = git_config_bool(var, value); | |
172 | } | |
173 | return 0; | |
174 | } | |
175 | ||
176 | if (!strcmp("http.sslcert", var)) { | |
177 | if (ssl_cert == NULL) { | |
178 | ssl_cert = xmalloc(strlen(value)+1); | |
179 | strcpy(ssl_cert, value); | |
180 | } | |
181 | return 0; | |
182 | } | |
183 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
184 | if (!strcmp("http.sslkey", var)) { | |
185 | if (ssl_key == NULL) { | |
186 | ssl_key = xmalloc(strlen(value)+1); | |
187 | strcpy(ssl_key, value); | |
188 | } | |
189 | return 0; | |
190 | } | |
191 | #endif | |
192 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
193 | if (!strcmp("http.sslcapath", var)) { | |
194 | if (ssl_capath == NULL) { | |
195 | ssl_capath = xmalloc(strlen(value)+1); | |
196 | strcpy(ssl_capath, value); | |
197 | } | |
198 | return 0; | |
199 | } | |
200 | #endif | |
201 | if (!strcmp("http.sslcainfo", var)) { | |
202 | if (ssl_cainfo == NULL) { | |
203 | ssl_cainfo = xmalloc(strlen(value)+1); | |
204 | strcpy(ssl_cainfo, value); | |
205 | } | |
206 | return 0; | |
207 | } | |
208 | ||
209 | #ifdef USE_CURL_MULTI | |
210 | if (!strcmp("http.maxrequests", var)) { | |
211 | if (max_requests == -1) | |
212 | max_requests = git_config_int(var, value); | |
213 | return 0; | |
214 | } | |
215 | #endif | |
216 | ||
217 | if (!strcmp("http.lowspeedlimit", var)) { | |
218 | if (curl_low_speed_limit == -1) | |
219 | curl_low_speed_limit = (long)git_config_int(var, value); | |
220 | return 0; | |
221 | } | |
222 | if (!strcmp("http.lowspeedtime", var)) { | |
223 | if (curl_low_speed_time == -1) | |
224 | curl_low_speed_time = (long)git_config_int(var, value); | |
225 | return 0; | |
226 | } | |
227 | ||
228 | /* Fall back on the default ones */ | |
229 | return git_default_config(var, value); | |
230 | } | |
231 | ||
232 | static size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
233 | struct buffer *buffer) | |
234 | { | |
235 | size_t size = eltsize * nmemb; | |
236 | if (size > buffer->size - buffer->posn) | |
237 | size = buffer->size - buffer->posn; | |
238 | memcpy(ptr, buffer->buffer + buffer->posn, size); | |
239 | buffer->posn += size; | |
240 | return size; | |
241 | } | |
242 | ||
243 | static size_t fwrite_buffer_dynamic(const void *ptr, size_t eltsize, | |
244 | size_t nmemb, struct buffer *buffer) | |
245 | { | |
246 | size_t size = eltsize * nmemb; | |
247 | if (size > buffer->size - buffer->posn) { | |
248 | buffer->size = buffer->size * 3 / 2; | |
249 | if (buffer->size < buffer->posn + size) | |
250 | buffer->size = buffer->posn + size; | |
251 | buffer->buffer = xrealloc(buffer->buffer, buffer->size); | |
252 | } | |
253 | memcpy(buffer->buffer + buffer->posn, ptr, size); | |
254 | buffer->posn += size; | |
255 | data_received++; | |
256 | return size; | |
257 | } | |
258 | ||
259 | static size_t fwrite_null(const void *ptr, size_t eltsize, | |
260 | size_t nmemb, struct buffer *buffer) | |
261 | { | |
262 | data_received++; | |
263 | return eltsize * nmemb; | |
264 | } | |
265 | ||
266 | #ifdef USE_CURL_MULTI | |
267 | static void process_curl_messages(void); | |
268 | static void process_request_queue(void); | |
269 | #endif | |
270 | ||
271 | static CURL* get_curl_handle(void) | |
272 | { | |
273 | CURL* result = curl_easy_init(); | |
274 | ||
275 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify); | |
276 | #if LIBCURL_VERSION_NUM >= 0x070907 | |
277 | curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL); | |
278 | #endif | |
279 | ||
280 | if (ssl_cert != NULL) | |
281 | curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); | |
282 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
283 | if (ssl_key != NULL) | |
284 | curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key); | |
285 | #endif | |
286 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
287 | if (ssl_capath != NULL) | |
288 | curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath); | |
289 | #endif | |
290 | if (ssl_cainfo != NULL) | |
291 | curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo); | |
292 | curl_easy_setopt(result, CURLOPT_FAILONERROR, 1); | |
293 | ||
294 | if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) { | |
295 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT, | |
296 | curl_low_speed_limit); | |
297 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME, | |
298 | curl_low_speed_time); | |
299 | } | |
300 | ||
301 | return result; | |
302 | } | |
303 | ||
304 | static struct active_request_slot *get_active_slot(void) | |
305 | { | |
306 | struct active_request_slot *slot = active_queue_head; | |
307 | struct active_request_slot *newslot; | |
308 | ||
309 | #ifdef USE_CURL_MULTI | |
310 | int num_transfers; | |
311 | ||
312 | /* Wait for a slot to open up if the queue is full */ | |
313 | while (active_requests >= max_requests) { | |
314 | curl_multi_perform(curlm, &num_transfers); | |
315 | if (num_transfers < active_requests) { | |
316 | process_curl_messages(); | |
317 | } | |
318 | } | |
319 | #endif | |
320 | ||
321 | while (slot != NULL && slot->in_use) { | |
322 | slot = slot->next; | |
323 | } | |
324 | if (slot == NULL) { | |
325 | newslot = xmalloc(sizeof(*newslot)); | |
326 | newslot->curl = NULL; | |
327 | newslot->in_use = 0; | |
328 | newslot->next = NULL; | |
329 | ||
330 | slot = active_queue_head; | |
331 | if (slot == NULL) { | |
332 | active_queue_head = newslot; | |
333 | } else { | |
334 | while (slot->next != NULL) { | |
335 | slot = slot->next; | |
336 | } | |
337 | slot->next = newslot; | |
338 | } | |
339 | slot = newslot; | |
340 | } | |
341 | ||
342 | if (slot->curl == NULL) { | |
343 | #ifdef NO_CURL_EASY_DUPHANDLE | |
344 | slot->curl = get_curl_handle(); | |
345 | #else | |
346 | slot->curl = curl_easy_duphandle(curl_default); | |
347 | #endif | |
348 | } | |
349 | ||
350 | active_requests++; | |
351 | slot->in_use = 1; | |
352 | slot->done = 0; | |
353 | slot->local = NULL; | |
354 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, default_headers); | |
355 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr); | |
356 | ||
357 | return slot; | |
358 | } | |
359 | ||
360 | static int start_active_slot(struct active_request_slot *slot) | |
361 | { | |
362 | #ifdef USE_CURL_MULTI | |
363 | CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl); | |
364 | ||
365 | if (curlm_result != CURLM_OK && | |
366 | curlm_result != CURLM_CALL_MULTI_PERFORM) { | |
367 | active_requests--; | |
368 | slot->in_use = 0; | |
369 | return 0; | |
370 | } | |
371 | #endif | |
372 | return 1; | |
373 | } | |
374 | ||
375 | static void run_active_slot(struct active_request_slot *slot) | |
376 | { | |
377 | #ifdef USE_CURL_MULTI | |
378 | int num_transfers; | |
379 | long last_pos = 0; | |
380 | long current_pos; | |
381 | fd_set readfds; | |
382 | fd_set writefds; | |
383 | fd_set excfds; | |
384 | int max_fd; | |
385 | struct timeval select_timeout; | |
386 | CURLMcode curlm_result; | |
387 | ||
388 | while (!slot->done) { | |
389 | data_received = 0; | |
390 | do { | |
391 | curlm_result = curl_multi_perform(curlm, | |
392 | &num_transfers); | |
393 | } while (curlm_result == CURLM_CALL_MULTI_PERFORM); | |
394 | if (num_transfers < active_requests) { | |
395 | process_curl_messages(); | |
396 | process_request_queue(); | |
397 | } | |
398 | ||
399 | if (!data_received && slot->local != NULL) { | |
400 | current_pos = ftell(slot->local); | |
401 | if (current_pos > last_pos) | |
402 | data_received++; | |
403 | last_pos = current_pos; | |
404 | } | |
405 | ||
406 | if (!slot->done && !data_received) { | |
407 | max_fd = 0; | |
408 | FD_ZERO(&readfds); | |
409 | FD_ZERO(&writefds); | |
410 | FD_ZERO(&excfds); | |
411 | select_timeout.tv_sec = 0; | |
412 | select_timeout.tv_usec = 50000; | |
413 | select(max_fd, &readfds, &writefds, | |
414 | &excfds, &select_timeout); | |
415 | } | |
416 | } | |
417 | #else | |
418 | slot->curl_result = curl_easy_perform(slot->curl); | |
419 | active_requests--; | |
420 | #endif | |
421 | } | |
422 | ||
423 | static void start_check(struct transfer_request *request) | |
424 | { | |
425 | char *hex = sha1_to_hex(request->sha1); | |
426 | struct active_request_slot *slot; | |
427 | char *posn; | |
428 | ||
429 | request->url = xmalloc(strlen(remote->url) + 55); | |
430 | strcpy(request->url, remote->url); | |
431 | posn = request->url + strlen(remote->url); | |
432 | strcpy(posn, "objects/"); | |
433 | posn += 8; | |
434 | memcpy(posn, hex, 2); | |
435 | posn += 2; | |
436 | *(posn++) = '/'; | |
437 | strcpy(posn, hex + 2); | |
438 | ||
439 | slot = get_active_slot(); | |
440 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
441 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
442 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
443 | ||
444 | if (start_active_slot(slot)) { | |
445 | request->slot = slot; | |
446 | request->state = RUN_HEAD; | |
447 | } else { | |
448 | request->state = ABORTED; | |
449 | free(request->url); | |
450 | } | |
451 | } | |
452 | ||
453 | static void start_mkcol(struct transfer_request *request) | |
454 | { | |
455 | char *hex = sha1_to_hex(request->sha1); | |
456 | struct active_request_slot *slot; | |
457 | char *posn; | |
458 | ||
459 | request->url = xmalloc(strlen(remote->url) + 13); | |
460 | strcpy(request->url, remote->url); | |
461 | posn = request->url + strlen(remote->url); | |
462 | strcpy(posn, "objects/"); | |
463 | posn += 8; | |
464 | memcpy(posn, hex, 2); | |
465 | posn += 2; | |
466 | strcpy(posn, "/"); | |
467 | ||
468 | slot = get_active_slot(); | |
469 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
470 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
471 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
472 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
473 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
474 | ||
475 | if (start_active_slot(slot)) { | |
476 | request->slot = slot; | |
477 | request->state = RUN_MKCOL; | |
478 | } else { | |
479 | request->state = ABORTED; | |
480 | free(request->url); | |
481 | } | |
482 | } | |
483 | ||
484 | static void start_put(struct transfer_request *request) | |
485 | { | |
486 | char *hex = sha1_to_hex(request->sha1); | |
487 | struct active_request_slot *slot; | |
488 | char *posn; | |
489 | char type[20]; | |
490 | char hdr[50]; | |
491 | void *unpacked; | |
492 | unsigned long len; | |
493 | int hdrlen; | |
494 | ssize_t size; | |
495 | z_stream stream; | |
496 | ||
497 | unpacked = read_sha1_file(request->sha1, type, &len); | |
498 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; | |
499 | ||
500 | /* Set it up */ | |
501 | memset(&stream, 0, sizeof(stream)); | |
502 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
503 | size = deflateBound(&stream, len + hdrlen); | |
504 | request->buffer.buffer = xmalloc(size); | |
505 | ||
506 | /* Compress it */ | |
507 | stream.next_out = request->buffer.buffer; | |
508 | stream.avail_out = size; | |
509 | ||
510 | /* First header.. */ | |
511 | stream.next_in = (void *)hdr; | |
512 | stream.avail_in = hdrlen; | |
513 | while (deflate(&stream, 0) == Z_OK) | |
514 | /* nothing */; | |
515 | ||
516 | /* Then the data itself.. */ | |
517 | stream.next_in = unpacked; | |
518 | stream.avail_in = len; | |
519 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
520 | /* nothing */; | |
521 | deflateEnd(&stream); | |
522 | free(unpacked); | |
523 | ||
524 | request->buffer.size = stream.total_out; | |
525 | request->buffer.posn = 0; | |
526 | ||
527 | if (request->url != NULL) | |
528 | free(request->url); | |
529 | request->url = xmalloc(strlen(remote->url) + | |
26349b2e | 530 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
531 | strcpy(request->url, remote->url); |
532 | posn = request->url + strlen(remote->url); | |
533 | strcpy(posn, "objects/"); | |
534 | posn += 8; | |
535 | memcpy(posn, hex, 2); | |
536 | posn += 2; | |
537 | *(posn++) = '/'; | |
538 | strcpy(posn, hex + 2); | |
539 | request->dest = xmalloc(strlen(request->url) + 14); | |
540 | sprintf(request->dest, "Destination: %s", request->url); | |
541 | posn += 38; | |
542 | *(posn++) = '.'; | |
26349b2e | 543 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
544 | |
545 | slot = get_active_slot(); | |
546 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); | |
547 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
548 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
549 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
550 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
551 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
552 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
553 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
554 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
555 | ||
556 | if (start_active_slot(slot)) { | |
557 | request->slot = slot; | |
558 | request->state = RUN_PUT; | |
559 | } else { | |
560 | request->state = ABORTED; | |
561 | free(request->url); | |
562 | } | |
563 | } | |
564 | ||
565 | static void start_move(struct transfer_request *request) | |
566 | { | |
567 | struct active_request_slot *slot; | |
568 | struct curl_slist *dav_headers = NULL; | |
569 | ||
570 | slot = get_active_slot(); | |
571 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
572 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
573 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
574 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
575 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
576 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
577 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
578 | ||
579 | if (start_active_slot(slot)) { | |
580 | request->slot = slot; | |
581 | request->state = RUN_MOVE; | |
582 | } else { | |
583 | request->state = ABORTED; | |
584 | free(request->url); | |
585 | } | |
586 | } | |
587 | ||
75187c9d NH |
588 | int refresh_lock(struct active_lock *lock) |
589 | { | |
590 | struct active_request_slot *slot; | |
591 | char *if_header; | |
592 | char timeout_header[25]; | |
593 | struct curl_slist *dav_headers = NULL; | |
594 | int rc = 0; | |
595 | ||
596 | lock->refreshing = 1; | |
597 | ||
598 | if_header = xmalloc(strlen(lock->token) + 25); | |
599 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
600 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
601 | dav_headers = curl_slist_append(dav_headers, if_header); | |
602 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
603 | ||
604 | slot = get_active_slot(); | |
605 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
606 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
607 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
608 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
609 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
610 | ||
611 | if (start_active_slot(slot)) { | |
612 | run_active_slot(slot); | |
613 | if (slot->curl_result != CURLE_OK) { | |
614 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
615 | } else { | |
616 | lock->start_time = time(NULL); | |
617 | rc = 1; | |
618 | } | |
619 | } | |
620 | ||
621 | lock->refreshing = 0; | |
622 | curl_slist_free_all(dav_headers); | |
623 | free(if_header); | |
624 | ||
625 | return rc; | |
626 | } | |
627 | ||
58e60dd2 NH |
628 | static void finish_request(struct transfer_request *request) |
629 | { | |
75187c9d NH |
630 | time_t current_time = time(NULL); |
631 | int time_remaining; | |
632 | ||
58e60dd2 NH |
633 | request->curl_result = request->slot->curl_result; |
634 | request->http_code = request->slot->http_code; | |
635 | request->slot = NULL; | |
75187c9d NH |
636 | |
637 | /* Refresh the lock if it is close to timing out */ | |
638 | time_remaining = request->lock->start_time + request->lock->timeout | |
639 | - current_time; | |
640 | if (time_remaining < LOCK_REFRESH && !request->lock->refreshing) { | |
641 | if (!refresh_lock(request->lock)) { | |
642 | fprintf(stderr, "Unable to refresh remote lock\n"); | |
643 | aborted = 1; | |
644 | } | |
645 | } | |
646 | ||
58e60dd2 NH |
647 | if (request->headers != NULL) |
648 | curl_slist_free_all(request->headers); | |
649 | if (request->state == RUN_HEAD) { | |
650 | if (request->http_code == 404) { | |
651 | request->state = NEED_PUSH; | |
652 | } else if (request->curl_result == CURLE_OK) { | |
653 | request->state = COMPLETE; | |
654 | } else { | |
655 | fprintf(stderr, "HEAD %s failed, aborting (%d/%ld)\n", | |
656 | sha1_to_hex(request->sha1), | |
657 | request->curl_result, request->http_code); | |
658 | request->state = ABORTED; | |
659 | aborted = 1; | |
660 | } | |
661 | } else if (request->state == RUN_MKCOL) { | |
662 | if (request->curl_result == CURLE_OK || | |
663 | request->http_code == 405) { | |
664 | start_put(request); | |
665 | } else { | |
666 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
667 | sha1_to_hex(request->sha1), | |
668 | request->curl_result, request->http_code); | |
669 | request->state = ABORTED; | |
670 | aborted = 1; | |
671 | } | |
672 | } else if (request->state == RUN_PUT) { | |
673 | if (request->curl_result == CURLE_OK) { | |
674 | start_move(request); | |
675 | } else { | |
676 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
677 | sha1_to_hex(request->sha1), | |
678 | request->curl_result, request->http_code); | |
679 | request->state = ABORTED; | |
680 | aborted = 1; | |
681 | } | |
682 | } else if (request->state == RUN_MOVE) { | |
683 | if (request->curl_result == CURLE_OK) { | |
684 | if (push_verbosely) | |
685 | fprintf(stderr, | |
686 | "sent %s\n", | |
687 | sha1_to_hex(request->sha1)); | |
688 | request->state = COMPLETE; | |
689 | } else { | |
690 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
691 | sha1_to_hex(request->sha1), | |
692 | request->curl_result, request->http_code); | |
693 | request->state = ABORTED; | |
694 | aborted = 1; | |
695 | } | |
696 | } | |
697 | } | |
698 | ||
699 | static void release_request(struct transfer_request *request) | |
700 | { | |
701 | struct transfer_request *entry = request_queue_head; | |
702 | ||
703 | if (request == request_queue_head) { | |
704 | request_queue_head = request->next; | |
705 | } else { | |
706 | while (entry->next != NULL && entry->next != request) | |
707 | entry = entry->next; | |
708 | if (entry->next == request) | |
709 | entry->next = entry->next->next; | |
710 | } | |
711 | ||
712 | free(request->url); | |
713 | free(request); | |
714 | } | |
715 | ||
716 | #ifdef USE_CURL_MULTI | |
717 | void process_curl_messages(void) | |
718 | { | |
719 | int num_messages; | |
720 | struct active_request_slot *slot; | |
721 | struct transfer_request *request = NULL; | |
722 | CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages); | |
723 | ||
724 | while (curl_message != NULL) { | |
725 | if (curl_message->msg == CURLMSG_DONE) { | |
726 | slot = active_queue_head; | |
727 | while (slot != NULL && | |
728 | slot->curl != curl_message->easy_handle) | |
729 | slot = slot->next; | |
730 | if (slot != NULL) { | |
731 | curl_multi_remove_handle(curlm, slot->curl); | |
732 | active_requests--; | |
733 | slot->done = 1; | |
734 | slot->in_use = 0; | |
735 | slot->curl_result = curl_message->data.result; | |
736 | curl_easy_getinfo(slot->curl, | |
737 | CURLINFO_HTTP_CODE, | |
738 | &slot->http_code); | |
739 | request = request_queue_head; | |
740 | while (request != NULL && | |
741 | request->slot != slot) | |
742 | request = request->next; | |
743 | if (request != NULL) | |
744 | finish_request(request); | |
745 | } else { | |
746 | fprintf(stderr, "Received DONE message for unknown request!\n"); | |
747 | } | |
748 | } else { | |
749 | fprintf(stderr, "Unknown CURL message received: %d\n", | |
750 | (int)curl_message->msg); | |
751 | } | |
752 | curl_message = curl_multi_info_read(curlm, &num_messages); | |
753 | } | |
754 | } | |
755 | ||
756 | void process_request_queue(void) | |
757 | { | |
758 | struct transfer_request *request = request_queue_head; | |
759 | struct active_request_slot *slot = active_queue_head; | |
760 | int num_transfers; | |
761 | ||
762 | if (aborted) | |
763 | return; | |
764 | ||
765 | while (active_requests < max_requests && request != NULL) { | |
766 | if (!pushing && request->state == NEED_CHECK) { | |
767 | start_check(request); | |
768 | curl_multi_perform(curlm, &num_transfers); | |
769 | } else if (pushing && request->state == NEED_PUSH) { | |
770 | start_mkcol(request); | |
771 | curl_multi_perform(curlm, &num_transfers); | |
772 | } | |
773 | request = request->next; | |
774 | } | |
775 | ||
776 | while (slot != NULL) { | |
777 | if (!slot->in_use && slot->curl != NULL) { | |
778 | curl_easy_cleanup(slot->curl); | |
779 | slot->curl = NULL; | |
780 | } | |
781 | slot = slot->next; | |
782 | } | |
783 | } | |
784 | #endif | |
785 | ||
786 | void process_waiting_requests(void) | |
787 | { | |
788 | struct active_request_slot *slot = active_queue_head; | |
789 | ||
790 | while (slot != NULL) | |
791 | if (slot->in_use) { | |
792 | run_active_slot(slot); | |
793 | slot = active_queue_head; | |
794 | } else { | |
795 | slot = slot->next; | |
796 | } | |
797 | } | |
798 | ||
26349b2e | 799 | void add_request(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
800 | { |
801 | struct transfer_request *request = request_queue_head; | |
58e60dd2 NH |
802 | struct packed_git *target; |
803 | ||
804 | while (request != NULL && memcmp(request->sha1, sha1, 20)) | |
805 | request = request->next; | |
806 | if (request != NULL) | |
807 | return; | |
808 | ||
809 | target = find_sha1_pack(sha1, remote->packs); | |
810 | if (target) | |
811 | return; | |
812 | ||
813 | request = xmalloc(sizeof(*request)); | |
814 | memcpy(request->sha1, sha1, 20); | |
815 | request->url = NULL; | |
26349b2e | 816 | request->lock = lock; |
58e60dd2 NH |
817 | request->headers = NULL; |
818 | request->state = NEED_CHECK; | |
c17fb6ee NH |
819 | request->next = request_queue_head; |
820 | request_queue_head = request; | |
58e60dd2 NH |
821 | #ifdef USE_CURL_MULTI |
822 | process_request_queue(); | |
823 | process_curl_messages(); | |
824 | #endif | |
825 | } | |
826 | ||
827 | static int fetch_index(unsigned char *sha1) | |
828 | { | |
829 | char *hex = sha1_to_hex(sha1); | |
830 | char *filename; | |
831 | char *url; | |
832 | char tmpfile[PATH_MAX]; | |
833 | long prev_posn = 0; | |
834 | char range[RANGE_HEADER_SIZE]; | |
835 | struct curl_slist *range_header = NULL; | |
836 | ||
837 | FILE *indexfile; | |
838 | struct active_request_slot *slot; | |
839 | ||
c17fb6ee NH |
840 | /* Don't use the index if the pack isn't there */ |
841 | url = xmalloc(strlen(remote->url) + 65); | |
842 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
843 | slot = get_active_slot(); | |
844 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
845 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
846 | if (start_active_slot(slot)) { | |
847 | run_active_slot(slot); | |
848 | if (slot->curl_result != CURLE_OK) { | |
849 | free(url); | |
850 | return error("Unable to verify pack %s is available", | |
851 | hex); | |
852 | } | |
853 | } else { | |
854 | return error("Unable to start request"); | |
855 | } | |
856 | ||
58e60dd2 NH |
857 | if (has_pack_index(sha1)) |
858 | return 0; | |
859 | ||
860 | if (push_verbosely) | |
861 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
862 | ||
58e60dd2 NH |
863 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
864 | ||
865 | filename = sha1_pack_index_name(sha1); | |
866 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
867 | indexfile = fopen(tmpfile, "a"); | |
868 | if (!indexfile) | |
869 | return error("Unable to open local file %s for pack index", | |
870 | filename); | |
871 | ||
872 | slot = get_active_slot(); | |
c17fb6ee NH |
873 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
874 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
875 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
876 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
877 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
878 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
879 | slot->local = indexfile; | |
880 | ||
881 | /* If there is data present from a previous transfer attempt, | |
882 | resume where it left off */ | |
883 | prev_posn = ftell(indexfile); | |
884 | if (prev_posn>0) { | |
885 | if (push_verbosely) | |
886 | fprintf(stderr, | |
887 | "Resuming fetch of index for pack %s at byte %ld\n", | |
888 | hex, prev_posn); | |
889 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
890 | range_header = curl_slist_append(range_header, range); | |
891 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
892 | } | |
893 | ||
894 | if (start_active_slot(slot)) { | |
895 | run_active_slot(slot); | |
896 | if (slot->curl_result != CURLE_OK) { | |
897 | free(url); | |
898 | fclose(indexfile); | |
899 | return error("Unable to get pack index %s\n%s", url, | |
900 | curl_errorstr); | |
901 | } | |
902 | } else { | |
903 | free(url); | |
904 | return error("Unable to start request"); | |
905 | } | |
906 | ||
907 | free(url); | |
908 | fclose(indexfile); | |
909 | ||
910 | return move_temp_to_file(tmpfile, filename); | |
911 | } | |
912 | ||
913 | static int setup_index(unsigned char *sha1) | |
914 | { | |
915 | struct packed_git *new_pack; | |
58e60dd2 NH |
916 | |
917 | if (fetch_index(sha1)) | |
918 | return -1; | |
919 | ||
920 | new_pack = parse_pack_index(sha1); | |
921 | new_pack->next = remote->packs; | |
922 | remote->packs = new_pack; | |
923 | return 0; | |
924 | } | |
925 | ||
926 | static int fetch_indices() | |
927 | { | |
928 | unsigned char sha1[20]; | |
929 | char *url; | |
930 | struct buffer buffer; | |
931 | char *data; | |
932 | int i = 0; | |
933 | ||
934 | struct active_request_slot *slot; | |
935 | ||
936 | data = xmalloc(4096); | |
937 | memset(data, 0, 4096); | |
938 | buffer.size = 4096; | |
939 | buffer.posn = 0; | |
940 | buffer.buffer = data; | |
941 | ||
942 | if (push_verbosely) | |
943 | fprintf(stderr, "Getting pack list\n"); | |
944 | ||
945 | url = xmalloc(strlen(remote->url) + 21); | |
946 | sprintf(url, "%s/objects/info/packs", remote->url); | |
947 | ||
948 | slot = get_active_slot(); | |
949 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
950 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
951 | fwrite_buffer_dynamic); | |
952 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
953 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
954 | if (start_active_slot(slot)) { | |
955 | run_active_slot(slot); | |
956 | if (slot->curl_result != CURLE_OK) { | |
957 | free(buffer.buffer); | |
958 | free(url); | |
959 | if (slot->http_code == 404) | |
960 | return 0; | |
961 | else | |
962 | return error("%s", curl_errorstr); | |
963 | } | |
964 | } else { | |
965 | free(buffer.buffer); | |
966 | free(url); | |
967 | return error("Unable to start request"); | |
968 | } | |
969 | free(url); | |
970 | ||
971 | data = buffer.buffer; | |
972 | while (i < buffer.posn) { | |
973 | switch (data[i]) { | |
974 | case 'P': | |
975 | i++; | |
976 | if (i + 52 < buffer.posn && | |
977 | !strncmp(data + i, " pack-", 6) && | |
978 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
979 | get_sha1_hex(data + i + 6, sha1); | |
980 | setup_index(sha1); | |
981 | i += 51; | |
982 | break; | |
983 | } | |
984 | default: | |
985 | while (data[i] != '\n') | |
986 | i++; | |
987 | } | |
988 | i++; | |
989 | } | |
990 | ||
991 | free(buffer.buffer); | |
992 | return 0; | |
993 | } | |
994 | ||
995 | static inline int needs_quote(int ch) | |
996 | { | |
997 | switch (ch) { | |
998 | case '/': case '-': case '.': | |
999 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
1000 | return 0; | |
1001 | default: | |
1002 | return 1; | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | static inline int hex(int v) | |
1007 | { | |
1008 | if (v < 10) return '0' + v; | |
1009 | else return 'A' + v - 10; | |
1010 | } | |
1011 | ||
1012 | static char *quote_ref_url(const char *base, const char *ref) | |
1013 | { | |
1014 | const char *cp; | |
1015 | char *dp, *qref; | |
1016 | int len, baselen, ch; | |
1017 | ||
1018 | baselen = strlen(base); | |
1019 | len = baselen + 12; /* "refs/heads/" + NUL */ | |
1020 | for (cp = ref; (ch = *cp) != 0; cp++, len++) | |
1021 | if (needs_quote(ch)) | |
1022 | len += 2; /* extra two hex plus replacement % */ | |
1023 | qref = xmalloc(len); | |
1024 | memcpy(qref, base, baselen); | |
1025 | memcpy(qref + baselen, "refs/heads/", 11); | |
1026 | for (cp = ref, dp = qref + baselen + 11; (ch = *cp) != 0; cp++) { | |
1027 | if (needs_quote(ch)) { | |
1028 | *dp++ = '%'; | |
1029 | *dp++ = hex((ch >> 4) & 0xF); | |
1030 | *dp++ = hex(ch & 0xF); | |
1031 | } | |
1032 | else | |
1033 | *dp++ = ch; | |
1034 | } | |
1035 | *dp = 0; | |
1036 | ||
1037 | return qref; | |
1038 | } | |
1039 | ||
1040 | int fetch_ref(char *ref, unsigned char *sha1) | |
1041 | { | |
1042 | char *url; | |
1043 | char hex[42]; | |
1044 | struct buffer buffer; | |
1045 | char *base = remote->url; | |
1046 | struct active_request_slot *slot; | |
1047 | buffer.size = 41; | |
1048 | buffer.posn = 0; | |
1049 | buffer.buffer = hex; | |
1050 | hex[41] = '\0'; | |
1051 | ||
1052 | url = quote_ref_url(base, ref); | |
1053 | slot = get_active_slot(); | |
1054 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
1055 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1056 | fwrite_buffer_dynamic); | |
1057 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1058 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1059 | if (start_active_slot(slot)) { | |
1060 | run_active_slot(slot); | |
1061 | if (slot->curl_result != CURLE_OK) | |
1062 | return error("Couldn't get %s for %s\n%s", | |
1063 | url, ref, curl_errorstr); | |
1064 | } else { | |
1065 | return error("Unable to start request"); | |
1066 | } | |
1067 | ||
1068 | hex[40] = '\0'; | |
1069 | get_sha1_hex(hex, sha1); | |
1070 | return 0; | |
1071 | } | |
1072 | ||
26349b2e NH |
1073 | static void |
1074 | start_activelock_element(void *userData, const char *name, const char **atts) | |
1075 | { | |
1076 | struct active_lock *lock = (struct active_lock *)userData; | |
1077 | ||
1078 | if (lock->ctx_activelock && !strcmp(name, "D:timeout")) | |
1079 | lock->ctx_timeout = 1; | |
1080 | else if (lock->ctx_owner && strstr(name, "href")) | |
1081 | lock->ctx_owner_href = 1; | |
1082 | else if (lock->ctx_activelock && strstr(name, "owner")) | |
1083 | lock->ctx_owner = 1; | |
1084 | else if (lock->ctx_locktoken && !strcmp(name, "D:href")) | |
1085 | lock->ctx_locktoken_href = 1; | |
1086 | else if (lock->ctx_activelock && !strcmp(name, "D:locktoken")) | |
1087 | lock->ctx_locktoken = 1; | |
1088 | else if (!strcmp(name, "D:activelock")) | |
1089 | lock->ctx_activelock = 1; | |
1090 | } | |
1091 | ||
1092 | static void | |
1093 | end_activelock_element(void *userData, const char *name) | |
1094 | { | |
1095 | struct active_lock *lock = (struct active_lock *)userData; | |
1096 | ||
1097 | if (lock->ctx_timeout && !strcmp(name, "D:timeout")) { | |
1098 | lock->ctx_timeout = 0; | |
1099 | } else if (lock->ctx_owner_href && strstr(name, "href")) { | |
1100 | lock->ctx_owner_href = 0; | |
1101 | } else if (lock->ctx_owner && strstr(name, "owner")) { | |
1102 | lock->ctx_owner = 0; | |
1103 | } else if (lock->ctx_locktoken_href && !strcmp(name, "D:href")) { | |
1104 | lock->ctx_locktoken_href = 0; | |
1105 | } else if (lock->ctx_locktoken && !strcmp(name, "D:locktoken")) { | |
1106 | lock->ctx_locktoken = 0; | |
1107 | } else if (lock->ctx_activelock && !strcmp(name, "D:activelock")) { | |
1108 | lock->ctx_activelock = 0; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | static void | |
1113 | activelock_cdata(void *userData, const XML_Char *s, int len) | |
1114 | { | |
1115 | struct active_lock *lock = (struct active_lock *)userData; | |
1116 | char *this = malloc(len+1); | |
1117 | strncpy(this, s, len); | |
1118 | ||
1119 | if (lock->ctx_owner_href) { | |
1120 | lock->owner = malloc(len+1); | |
1121 | strcpy(lock->owner, this); | |
1122 | } else if (lock->ctx_locktoken_href) { | |
1123 | if (!strncmp(this, "opaquelocktoken:", 16)) { | |
1124 | lock->token = malloc(len-15); | |
1125 | strcpy(lock->token, this+16); | |
1126 | } | |
1127 | } else if (lock->ctx_timeout) { | |
1128 | if (!strncmp(this, "Second-", 7)) | |
1129 | lock->timeout = strtol(this+7, NULL, 10); | |
1130 | } | |
1131 | ||
1132 | free(this); | |
1133 | } | |
1134 | ||
58e60dd2 NH |
1135 | static void |
1136 | start_lockprop_element(void *userData, const char *name, const char **atts) | |
1137 | { | |
1138 | struct lockprop *prop = (struct lockprop *)userData; | |
1139 | ||
1140 | if (prop->lock_type && !strcmp(name, "D:write")) { | |
1141 | if (prop->lock_exclusive) { | |
1142 | prop->lock_exclusive_write = 1; | |
1143 | } | |
1144 | } else if (prop->lock_scope && !strcmp(name, "D:exclusive")) { | |
1145 | prop->lock_exclusive = 1; | |
1146 | } else if (prop->lock_entry) { | |
1147 | if (!strcmp(name, "D:lockscope")) { | |
1148 | prop->lock_scope = 1; | |
1149 | } else if (!strcmp(name, "D:locktype")) { | |
1150 | prop->lock_type = 1; | |
1151 | } | |
1152 | } else if (prop->supported_lock) { | |
1153 | if (!strcmp(name, "D:lockentry")) { | |
1154 | prop->lock_entry = 1; | |
1155 | } | |
1156 | } else if (!strcmp(name, "D:supportedlock")) { | |
1157 | prop->supported_lock = 1; | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | static void | |
1162 | end_lockprop_element(void *userData, const char *name) | |
1163 | { | |
1164 | struct lockprop *prop = (struct lockprop *)userData; | |
1165 | ||
1166 | if (!strcmp(name, "D:lockentry")) { | |
1167 | prop->lock_entry = 0; | |
1168 | prop->lock_scope = 0; | |
1169 | prop->lock_type = 0; | |
1170 | prop->lock_exclusive = 0; | |
1171 | } else if (!strcmp(name, "D:supportedlock")) { | |
1172 | prop->supported_lock = 0; | |
1173 | } | |
1174 | } | |
1175 | ||
75187c9d | 1176 | struct active_lock *lock_remote(char *file, long timeout) |
58e60dd2 NH |
1177 | { |
1178 | struct active_request_slot *slot; | |
1179 | struct buffer out_buffer; | |
26349b2e | 1180 | struct buffer in_buffer; |
58e60dd2 | 1181 | char *out_data; |
26349b2e | 1182 | char *in_data; |
58e60dd2 | 1183 | char *url; |
0772b9a6 | 1184 | char *ep; |
58e60dd2 | 1185 | char timeout_header[25]; |
26349b2e NH |
1186 | struct active_lock *new_lock; |
1187 | XML_Parser parser = XML_ParserCreate(NULL); | |
1188 | enum XML_Status result; | |
58e60dd2 NH |
1189 | struct curl_slist *dav_headers = NULL; |
1190 | ||
0772b9a6 NH |
1191 | url = xmalloc(strlen(remote->url) + strlen(file) + 1); |
1192 | sprintf(url, "%s%s", remote->url, file); | |
1193 | ||
1194 | /* Make sure leading directories exist for the remote ref */ | |
1195 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
1196 | while (ep) { | |
1197 | *ep = 0; | |
1198 | slot = get_active_slot(); | |
1199 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
1200 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1201 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
1202 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1203 | if (start_active_slot(slot)) { | |
1204 | run_active_slot(slot); | |
1205 | if (slot->curl_result != CURLE_OK && | |
1206 | slot->http_code != 405) { | |
1207 | fprintf(stderr, | |
1208 | "Unable to create branch path %s\n", | |
1209 | url); | |
1210 | free(url); | |
1211 | return NULL; | |
1212 | } | |
1213 | } else { | |
1214 | fprintf(stderr, "Unable to start request\n"); | |
1215 | free(url); | |
1216 | return NULL; | |
1217 | } | |
1218 | *ep = '/'; | |
1219 | ep = strchr(ep + 1, '/'); | |
1220 | } | |
1221 | ||
58e60dd2 NH |
1222 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
1223 | out_data = xmalloc(out_buffer.size + 1); | |
1224 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
1225 | out_buffer.posn = 0; | |
1226 | out_buffer.buffer = out_data; | |
1227 | ||
26349b2e NH |
1228 | in_buffer.size = 4096; |
1229 | in_data = xmalloc(in_buffer.size); | |
1230 | in_buffer.posn = 0; | |
1231 | in_buffer.buffer = in_data; | |
1232 | ||
1233 | new_lock = xmalloc(sizeof(*new_lock)); | |
1234 | new_lock->owner = NULL; | |
1235 | new_lock->token = NULL; | |
1236 | new_lock->timeout = -1; | |
75187c9d | 1237 | new_lock->refreshing = 0; |
26349b2e | 1238 | |
75187c9d | 1239 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
1240 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
1241 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1242 | ||
1243 | slot = get_active_slot(); | |
1244 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1245 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1246 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e NH |
1247 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
1248 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1249 | fwrite_buffer_dynamic); | |
58e60dd2 NH |
1250 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1251 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1252 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1253 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1254 | ||
1255 | if (start_active_slot(slot)) { | |
1256 | run_active_slot(slot); | |
58e60dd2 NH |
1257 | if (slot->curl_result != CURLE_OK) { |
1258 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
26349b2e | 1259 | free(new_lock); |
0772b9a6 NH |
1260 | free(url); |
1261 | free(out_data); | |
26349b2e | 1262 | free(in_data); |
58e60dd2 NH |
1263 | return NULL; |
1264 | } | |
1265 | } else { | |
26349b2e | 1266 | free(new_lock); |
0772b9a6 | 1267 | free(url); |
58e60dd2 | 1268 | free(out_data); |
26349b2e | 1269 | free(in_data); |
58e60dd2 | 1270 | fprintf(stderr, "Unable to start request\n"); |
0772b9a6 | 1271 | return NULL; |
58e60dd2 NH |
1272 | } |
1273 | ||
0772b9a6 NH |
1274 | free(out_data); |
1275 | ||
26349b2e NH |
1276 | XML_SetUserData(parser, new_lock); |
1277 | XML_SetElementHandler(parser, start_activelock_element, | |
1278 | end_activelock_element); | |
1279 | XML_SetCharacterDataHandler(parser, activelock_cdata); | |
1280 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1281 | free(in_data); | |
1282 | if (result != XML_STATUS_OK) { | |
1283 | fprintf(stderr, "%s", XML_ErrorString( | |
1284 | XML_GetErrorCode(parser))); | |
75187c9d | 1285 | free(url); |
26349b2e NH |
1286 | free(new_lock); |
1287 | return NULL; | |
1288 | } | |
1289 | ||
1290 | if (new_lock->token == NULL || new_lock->timeout <= 0) { | |
1291 | if (new_lock->token != NULL) | |
1292 | free(new_lock->token); | |
1293 | if (new_lock->owner != NULL) | |
1294 | free(new_lock->owner); | |
75187c9d | 1295 | free(url); |
26349b2e NH |
1296 | free(new_lock); |
1297 | return NULL; | |
1298 | } | |
1299 | ||
75187c9d | 1300 | new_lock->url = url; |
26349b2e NH |
1301 | new_lock->start_time = time(NULL); |
1302 | return new_lock; | |
58e60dd2 NH |
1303 | } |
1304 | ||
75187c9d | 1305 | int unlock_remote(struct active_lock *lock) |
58e60dd2 NH |
1306 | { |
1307 | struct active_request_slot *slot; | |
58e60dd2 NH |
1308 | char *lock_token_header; |
1309 | struct curl_slist *dav_headers = NULL; | |
1310 | int rc = 0; | |
1311 | ||
26349b2e | 1312 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1313 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1314 | lock->token); |
58e60dd2 NH |
1315 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1316 | ||
1317 | slot = get_active_slot(); | |
1318 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
75187c9d | 1319 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1320 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1321 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1322 | ||
1323 | if (start_active_slot(slot)) { | |
1324 | run_active_slot(slot); | |
1325 | if (slot->curl_result == CURLE_OK) | |
1326 | rc = 1; | |
1327 | else | |
1328 | fprintf(stderr, "Got HTTP error %ld\n", | |
1329 | slot->http_code); | |
1330 | } else { | |
1331 | fprintf(stderr, "Unable to start request\n"); | |
1332 | } | |
1333 | ||
1334 | curl_slist_free_all(dav_headers); | |
1335 | free(lock_token_header); | |
75187c9d NH |
1336 | |
1337 | if (lock->owner != NULL) | |
1338 | free(lock->owner); | |
1339 | free(lock->url); | |
1340 | free(lock->token); | |
1341 | free(lock); | |
58e60dd2 NH |
1342 | |
1343 | return rc; | |
1344 | } | |
1345 | ||
1346 | int check_locking() | |
1347 | { | |
1348 | struct active_request_slot *slot; | |
1349 | struct buffer in_buffer; | |
1350 | struct buffer out_buffer; | |
1351 | char *in_data; | |
1352 | char *out_data; | |
1353 | XML_Parser parser = XML_ParserCreate(NULL); | |
1354 | enum XML_Status result; | |
1355 | struct lockprop supported_lock; | |
1356 | struct curl_slist *dav_headers = NULL; | |
1357 | ||
1358 | out_buffer.size = strlen(PROPFIND_REQUEST) + strlen(remote->url) - 2; | |
1359 | out_data = xmalloc(out_buffer.size + 1); | |
1360 | snprintf(out_data, out_buffer.size + 1, PROPFIND_REQUEST, remote->url); | |
1361 | out_buffer.posn = 0; | |
1362 | out_buffer.buffer = out_data; | |
1363 | ||
1364 | in_buffer.size = 4096; | |
1365 | in_data = xmalloc(in_buffer.size); | |
1366 | in_buffer.posn = 0; | |
1367 | in_buffer.buffer = in_data; | |
1368 | ||
1369 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1370 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1371 | ||
1372 | slot = get_active_slot(); | |
1373 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1374 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1375 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1376 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1377 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1378 | fwrite_buffer_dynamic); | |
1379 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); | |
1380 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1381 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1382 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1383 | ||
1384 | if (start_active_slot(slot)) { | |
1385 | run_active_slot(slot); | |
1386 | free(out_data); | |
1387 | if (slot->curl_result != CURLE_OK) { | |
1388 | free(in_buffer.buffer); | |
1389 | return -1; | |
1390 | } | |
1391 | ||
1392 | XML_SetUserData(parser, &supported_lock); | |
1393 | XML_SetElementHandler(parser, start_lockprop_element, | |
1394 | end_lockprop_element); | |
1395 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1396 | free(in_buffer.buffer); | |
1397 | if (result != XML_STATUS_OK) | |
1398 | return error("%s", XML_ErrorString( | |
1399 | XML_GetErrorCode(parser))); | |
1400 | } else { | |
1401 | free(out_data); | |
1402 | free(in_buffer.buffer); | |
1403 | return error("Unable to start request"); | |
1404 | } | |
1405 | ||
1406 | if (supported_lock.lock_exclusive_write) | |
1407 | return 0; | |
1408 | else | |
1409 | return 1; | |
1410 | } | |
1411 | ||
1412 | int is_ancestor(unsigned char *sha1, struct commit *commit) | |
1413 | { | |
1414 | struct commit_list *parents; | |
1415 | ||
1416 | if (parse_commit(commit)) | |
1417 | return 0; | |
1418 | parents = commit->parents; | |
1419 | for (; parents; parents = parents->next) { | |
1420 | if (!memcmp(sha1, parents->item->object.sha1, 20)) { | |
1421 | return 1; | |
1422 | } else if (parents->item->object.type == commit_type) { | |
1423 | if (is_ancestor( | |
1424 | sha1, | |
1425 | (struct commit *)&parents->item->object | |
1426 | )) | |
1427 | return 1; | |
1428 | } | |
1429 | } | |
1430 | return 0; | |
1431 | } | |
1432 | ||
26349b2e NH |
1433 | void get_delta(unsigned char *sha1, struct object *obj, |
1434 | struct active_lock *lock) | |
58e60dd2 NH |
1435 | { |
1436 | struct commit *commit; | |
1437 | struct commit_list *parents; | |
1438 | struct tree *tree; | |
1439 | struct tree_entry_list *entry; | |
1440 | ||
1441 | if (sha1 && !memcmp(sha1, obj->sha1, 20)) | |
1442 | return; | |
1443 | ||
1444 | if (aborted) | |
1445 | return; | |
1446 | ||
1447 | if (obj->type == commit_type) { | |
1448 | if (push_verbosely) | |
1449 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1450 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1451 | commit = (struct commit *)obj; |
1452 | if (parse_commit(commit)) { | |
1453 | fprintf(stderr, "Error parsing commit %s\n", | |
1454 | sha1_to_hex(obj->sha1)); | |
1455 | aborted = 1; | |
1456 | return; | |
1457 | } | |
1458 | parents = commit->parents; | |
1459 | for (; parents; parents = parents->next) | |
1460 | if (sha1 == NULL || | |
1461 | memcmp(sha1, parents->item->object.sha1, 20)) | |
1462 | get_delta(sha1, &parents->item->object, | |
26349b2e NH |
1463 | lock); |
1464 | get_delta(sha1, &commit->tree->object, lock); | |
58e60dd2 NH |
1465 | } else if (obj->type == tree_type) { |
1466 | if (push_verbosely) | |
1467 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1468 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1469 | tree = (struct tree *)obj; |
1470 | if (parse_tree(tree)) { | |
1471 | fprintf(stderr, "Error parsing tree %s\n", | |
1472 | sha1_to_hex(obj->sha1)); | |
1473 | aborted = 1; | |
1474 | return; | |
1475 | } | |
1476 | entry = tree->entries; | |
1477 | tree->entries = NULL; | |
1478 | while (entry) { | |
1479 | struct tree_entry_list *next = entry->next; | |
26349b2e | 1480 | get_delta(sha1, entry->item.any, lock); |
58e60dd2 NH |
1481 | free(entry->name); |
1482 | free(entry); | |
1483 | entry = next; | |
1484 | } | |
1485 | } else if (obj->type == blob_type || obj->type == tag_type) { | |
26349b2e | 1486 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1487 | } |
1488 | } | |
1489 | ||
75187c9d | 1490 | int update_remote(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
1491 | { |
1492 | struct active_request_slot *slot; | |
58e60dd2 NH |
1493 | char *out_data; |
1494 | char *if_header; | |
1495 | struct buffer out_buffer; | |
1496 | struct curl_slist *dav_headers = NULL; | |
1497 | int i; | |
1498 | ||
26349b2e NH |
1499 | if_header = xmalloc(strlen(lock->token) + 25); |
1500 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1501 | dav_headers = curl_slist_append(dav_headers, if_header); |
1502 | ||
1503 | out_buffer.size = 41; | |
1504 | out_data = xmalloc(out_buffer.size + 1); | |
1505 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1506 | if (i != out_buffer.size) { | |
1507 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1508 | return 0; | |
1509 | } | |
1510 | out_buffer.posn = 0; | |
1511 | out_buffer.buffer = out_data; | |
1512 | ||
1513 | slot = get_active_slot(); | |
1514 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1515 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1516 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1517 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1518 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1519 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1520 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1521 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1522 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1523 | |
1524 | if (start_active_slot(slot)) { | |
1525 | run_active_slot(slot); | |
1526 | free(out_data); | |
1527 | free(if_header); | |
58e60dd2 NH |
1528 | if (slot->curl_result != CURLE_OK) { |
1529 | fprintf(stderr, | |
1530 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1531 | slot->curl_result, slot->http_code); | |
1532 | /* We should attempt recovery? */ | |
1533 | return 0; | |
1534 | } | |
1535 | } else { | |
1536 | free(out_data); | |
1537 | free(if_header); | |
58e60dd2 NH |
1538 | fprintf(stderr, "Unable to start PUT request\n"); |
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | return 1; | |
1543 | } | |
1544 | ||
1545 | int main(int argc, char **argv) | |
1546 | { | |
1547 | struct active_request_slot *slot; | |
1548 | struct active_request_slot *next_slot; | |
1549 | struct transfer_request *request; | |
1550 | struct transfer_request *next_request; | |
1551 | int nr_refspec = 0; | |
1552 | char **refspec = NULL; | |
1553 | int do_remote_update; | |
1554 | int new_branch; | |
1555 | int force_this; | |
1556 | char *local_ref; | |
1557 | unsigned char local_sha1[20]; | |
1558 | struct object *local_object = NULL; | |
1559 | char *remote_ref = NULL; | |
1560 | unsigned char remote_sha1[20]; | |
26349b2e | 1561 | struct active_lock *remote_lock; |
58e60dd2 NH |
1562 | char *remote_path = NULL; |
1563 | char *low_speed_limit; | |
1564 | char *low_speed_time; | |
1565 | int rc = 0; | |
1566 | int i; | |
1567 | ||
1568 | setup_ident(); | |
1569 | ||
1570 | remote = xmalloc(sizeof(*remote)); | |
1571 | remote->url = NULL; | |
1572 | remote->packs = NULL; | |
1573 | ||
1574 | argv++; | |
1575 | for (i = 1; i < argc; i++, argv++) { | |
1576 | char *arg = *argv; | |
1577 | ||
1578 | if (*arg == '-') { | |
1579 | if (!strcmp(arg, "--complete")) { | |
1580 | push_all = 1; | |
1581 | continue; | |
1582 | } | |
1583 | if (!strcmp(arg, "--force")) { | |
1584 | force_all = 1; | |
1585 | continue; | |
1586 | } | |
1587 | if (!strcmp(arg, "--verbose")) { | |
1588 | push_verbosely = 1; | |
1589 | continue; | |
1590 | } | |
1591 | usage(http_push_usage); | |
1592 | } | |
1593 | if (!remote->url) { | |
1594 | remote->url = arg; | |
1595 | continue; | |
1596 | } | |
1597 | refspec = argv; | |
1598 | nr_refspec = argc - i; | |
1599 | break; | |
1600 | } | |
1601 | ||
1602 | curl_global_init(CURL_GLOBAL_ALL); | |
1603 | ||
1604 | #ifdef USE_CURL_MULTI | |
1605 | { | |
1606 | char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); | |
1607 | if (http_max_requests != NULL) | |
1608 | max_requests = atoi(http_max_requests); | |
1609 | } | |
1610 | ||
1611 | curlm = curl_multi_init(); | |
1612 | if (curlm == NULL) { | |
1613 | fprintf(stderr, "Error creating curl multi handle.\n"); | |
1614 | return 1; | |
1615 | } | |
1616 | #endif | |
1617 | ||
1618 | if (getenv("GIT_SSL_NO_VERIFY")) | |
1619 | curl_ssl_verify = 0; | |
1620 | ||
1621 | ssl_cert = getenv("GIT_SSL_CERT"); | |
1622 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
1623 | ssl_key = getenv("GIT_SSL_KEY"); | |
1624 | #endif | |
1625 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
1626 | ssl_capath = getenv("GIT_SSL_CAPATH"); | |
1627 | #endif | |
1628 | ssl_cainfo = getenv("GIT_SSL_CAINFO"); | |
1629 | ||
1630 | low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT"); | |
1631 | if (low_speed_limit != NULL) | |
1632 | curl_low_speed_limit = strtol(low_speed_limit, NULL, 10); | |
1633 | low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME"); | |
1634 | if (low_speed_time != NULL) | |
1635 | curl_low_speed_time = strtol(low_speed_time, NULL, 10); | |
1636 | ||
1637 | git_config(http_options); | |
1638 | ||
1639 | if (curl_ssl_verify == -1) | |
1640 | curl_ssl_verify = 1; | |
1641 | ||
1642 | #ifdef USE_CURL_MULTI | |
1643 | if (max_requests < 1) | |
1644 | max_requests = DEFAULT_MAX_REQUESTS; | |
1645 | #endif | |
1646 | ||
1647 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1648 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1649 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1650 | default_headers = curl_slist_append(default_headers, "If:"); | |
1651 | default_headers = curl_slist_append(default_headers, | |
1652 | "Pragma: no-cache"); | |
1653 | ||
1654 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1655 | curl_default = get_curl_handle(); | |
1656 | #endif | |
1657 | ||
1658 | /* Verify DAV compliance/lock support */ | |
1659 | if (check_locking() != 0) { | |
1660 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); | |
1661 | rc = 1; | |
1662 | goto cleanup; | |
1663 | } | |
1664 | ||
1665 | /* Process each refspec */ | |
1666 | for (i = 0; i < nr_refspec; i++) { | |
1667 | char *ep; | |
1668 | force_this = 0; | |
1669 | do_remote_update = 0; | |
1670 | new_branch = 0; | |
1671 | local_ref = refspec[i]; | |
1672 | if (*local_ref == '+') { | |
1673 | force_this = 1; | |
1674 | local_ref++; | |
1675 | } | |
1676 | ep = strchr(local_ref, ':'); | |
1677 | if (ep) { | |
1678 | remote_ref = ep + 1; | |
1679 | *ep = 0; | |
1680 | } | |
1681 | else | |
1682 | remote_ref = local_ref; | |
1683 | ||
1684 | /* Lock remote branch ref */ | |
1685 | if (remote_path) | |
1686 | free(remote_path); | |
1687 | remote_path = xmalloc(strlen(remote_ref) + 12); | |
1688 | sprintf(remote_path, "refs/heads/%s", remote_ref); | |
75187c9d | 1689 | remote_lock = lock_remote(remote_path, LOCK_TIME); |
58e60dd2 NH |
1690 | if (remote_lock == NULL) { |
1691 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1692 | remote_ref); | |
1693 | rc = 1; | |
1694 | continue; | |
1695 | } | |
1696 | ||
1697 | /* Resolve local and remote refs */ | |
1698 | if (fetch_ref(remote_ref, remote_sha1) != 0) { | |
1699 | fprintf(stderr, | |
1700 | "Remote branch %s does not exist on %s\n", | |
1701 | remote_ref, remote->url); | |
1702 | new_branch = 1; | |
1703 | } | |
1704 | if (get_sha1(local_ref, local_sha1) != 0) { | |
1705 | fprintf(stderr, "Error resolving local branch %s\n", | |
1706 | local_ref); | |
1707 | rc = 1; | |
1708 | goto unlock; | |
1709 | } | |
1710 | ||
1711 | /* Find relationship between local and remote */ | |
1712 | local_object = parse_object(local_sha1); | |
1713 | if (!local_object) { | |
1714 | fprintf(stderr, "Unable to parse local object %s\n", | |
1715 | sha1_to_hex(local_sha1)); | |
1716 | rc = 1; | |
1717 | goto unlock; | |
1718 | } else if (new_branch) { | |
1719 | do_remote_update = 1; | |
1720 | } else { | |
1721 | if (!memcmp(local_sha1, remote_sha1, 20)) { | |
1722 | fprintf(stderr, | |
1723 | "* %s: same as branch '%s' of %s\n", | |
1724 | local_ref, remote_ref, remote->url); | |
1725 | } else if (is_ancestor(remote_sha1, | |
1726 | (struct commit *)local_object)) { | |
1727 | fprintf(stderr, | |
1728 | "Remote %s will fast-forward to local %s\n", | |
1729 | remote_ref, local_ref); | |
1730 | do_remote_update = 1; | |
1731 | } else if (force_all || force_this) { | |
1732 | fprintf(stderr, | |
1733 | "* %s on %s does not fast forward to local branch '%s', overwriting\n", | |
1734 | remote_ref, remote->url, local_ref); | |
1735 | do_remote_update = 1; | |
1736 | } else { | |
1737 | fprintf(stderr, | |
1738 | "* %s on %s does not fast forward to local branch '%s'\n", | |
1739 | remote_ref, remote->url, local_ref); | |
1740 | rc = 1; | |
1741 | goto unlock; | |
1742 | } | |
1743 | } | |
1744 | ||
1745 | /* Generate and check list of required objects */ | |
1746 | pushing = 0; | |
1747 | if (do_remote_update || push_all) | |
1748 | fetch_indices(); | |
1749 | get_delta(push_all ? NULL : remote_sha1, | |
1750 | local_object, remote_lock); | |
1751 | process_waiting_requests(); | |
1752 | ||
1753 | /* Push missing objects to remote, this would be a | |
1754 | convenient time to pack them first if appropriate. */ | |
1755 | pushing = 1; | |
1756 | process_request_queue(); | |
1757 | process_waiting_requests(); | |
1758 | ||
1759 | /* Update the remote branch if all went well */ | |
1760 | if (do_remote_update) { | |
75187c9d | 1761 | if (!aborted && update_remote(local_sha1, |
58e60dd2 NH |
1762 | remote_lock)) { |
1763 | fprintf(stderr, "%s remote branch %s\n", | |
1764 | new_branch ? "Created" : "Updated", | |
1765 | remote_ref); | |
1766 | } else { | |
1767 | fprintf(stderr, | |
1768 | "Unable to %s remote branch %s\n", | |
1769 | new_branch ? "create" : "update", | |
1770 | remote_ref); | |
1771 | rc = 1; | |
1772 | goto unlock; | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | unlock: | |
75187c9d | 1777 | unlock_remote(remote_lock); |
58e60dd2 | 1778 | free(remote_path); |
58e60dd2 NH |
1779 | } |
1780 | ||
1781 | cleanup: | |
1782 | free(remote); | |
1783 | ||
1784 | curl_slist_free_all(no_pragma_header); | |
1785 | curl_slist_free_all(default_headers); | |
1786 | ||
1787 | slot = active_queue_head; | |
1788 | while (slot != NULL) { | |
1789 | next_slot = slot->next; | |
1790 | if (slot->curl != NULL) | |
1791 | curl_easy_cleanup(slot->curl); | |
1792 | free(slot); | |
1793 | slot = next_slot; | |
1794 | } | |
1795 | ||
1796 | request = request_queue_head; | |
1797 | while (request != NULL) { | |
1798 | next_request = request->next; | |
1799 | release_request(request); | |
58e60dd2 NH |
1800 | request = next_request; |
1801 | } | |
1802 | ||
1803 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1804 | curl_easy_cleanup(curl_default); | |
1805 | #endif | |
1806 | #ifdef USE_CURL_MULTI | |
1807 | curl_multi_cleanup(curlm); | |
1808 | #endif | |
1809 | curl_global_cleanup(); | |
1810 | return rc; | |
1811 | } |