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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> | |
bee8e79d | 10 | #include <expat.h> |
58e60dd2 NH |
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; | |
0dd276b8 | 50 | static char remote_dir_exists[256]; |
58e60dd2 NH |
51 | |
52 | #ifdef USE_CURL_MULTI | |
53 | static int max_requests = -1; | |
54 | static CURLM *curlm; | |
55 | #endif | |
56 | #ifndef NO_CURL_EASY_DUPHANDLE | |
57 | static CURL *curl_default; | |
58 | #endif | |
59 | static struct curl_slist *no_pragma_header; | |
60 | static struct curl_slist *default_headers; | |
61 | static char curl_errorstr[CURL_ERROR_SIZE]; | |
58e60dd2 NH |
62 | |
63 | static int push_verbosely = 0; | |
64 | static int push_all = 0; | |
65 | static int force_all = 0; | |
66 | ||
67 | struct buffer | |
68 | { | |
69 | size_t posn; | |
70 | size_t size; | |
71 | void *buffer; | |
72 | }; | |
73 | ||
74 | struct repo | |
75 | { | |
76 | char *url; | |
77 | struct packed_git *packs; | |
78 | }; | |
79 | ||
80 | static struct repo *remote = NULL; | |
81 | ||
82 | enum transfer_state { | |
83 | NEED_CHECK, | |
84 | RUN_HEAD, | |
85 | NEED_PUSH, | |
86 | RUN_MKCOL, | |
87 | RUN_PUT, | |
88 | RUN_MOVE, | |
89 | ABORTED, | |
90 | COMPLETE, | |
91 | }; | |
92 | ||
93 | struct transfer_request | |
94 | { | |
95 | unsigned char sha1[20]; | |
96 | char *url; | |
97 | char *dest; | |
26349b2e | 98 | struct active_lock *lock; |
58e60dd2 NH |
99 | struct curl_slist *headers; |
100 | struct buffer buffer; | |
101 | char filename[PATH_MAX]; | |
102 | char tmpfile[PATH_MAX]; | |
103 | enum transfer_state state; | |
104 | CURLcode curl_result; | |
105 | char errorstr[CURL_ERROR_SIZE]; | |
106 | long http_code; | |
107 | unsigned char real_sha1[20]; | |
108 | SHA_CTX c; | |
109 | z_stream stream; | |
110 | int zret; | |
111 | int rename; | |
112 | struct active_request_slot *slot; | |
113 | struct transfer_request *next; | |
114 | }; | |
115 | ||
116 | struct active_request_slot | |
117 | { | |
118 | CURL *curl; | |
119 | FILE *local; | |
120 | int in_use; | |
121 | int done; | |
122 | CURLcode curl_result; | |
123 | long http_code; | |
124 | struct active_request_slot *next; | |
125 | }; | |
126 | ||
127 | static struct transfer_request *request_queue_head = NULL; | |
128 | static struct active_request_slot *active_queue_head = NULL; | |
129 | ||
130 | static int curl_ssl_verify = -1; | |
131 | static char *ssl_cert = NULL; | |
132 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
133 | static char *ssl_key = NULL; | |
134 | #endif | |
135 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
136 | static char *ssl_capath = NULL; | |
137 | #endif | |
138 | static char *ssl_cainfo = NULL; | |
139 | static long curl_low_speed_limit = -1; | |
140 | static long curl_low_speed_time = -1; | |
141 | ||
26349b2e NH |
142 | struct active_lock |
143 | { | |
144 | int ctx_activelock; | |
145 | int ctx_owner; | |
146 | int ctx_owner_href; | |
147 | int ctx_timeout; | |
148 | int ctx_locktoken; | |
149 | int ctx_locktoken_href; | |
75187c9d | 150 | char *url; |
26349b2e | 151 | char *owner; |
75187c9d | 152 | char *token; |
26349b2e NH |
153 | time_t start_time; |
154 | long timeout; | |
75187c9d | 155 | int refreshing; |
26349b2e NH |
156 | }; |
157 | ||
58e60dd2 NH |
158 | struct lockprop |
159 | { | |
160 | int supported_lock; | |
161 | int lock_entry; | |
162 | int lock_scope; | |
163 | int lock_type; | |
164 | int lock_exclusive; | |
165 | int lock_exclusive_write; | |
166 | }; | |
167 | ||
168 | static int http_options(const char *var, const char *value) | |
169 | { | |
170 | if (!strcmp("http.sslverify", var)) { | |
171 | if (curl_ssl_verify == -1) { | |
172 | curl_ssl_verify = git_config_bool(var, value); | |
173 | } | |
174 | return 0; | |
175 | } | |
176 | ||
177 | if (!strcmp("http.sslcert", var)) { | |
178 | if (ssl_cert == NULL) { | |
179 | ssl_cert = xmalloc(strlen(value)+1); | |
180 | strcpy(ssl_cert, value); | |
181 | } | |
182 | return 0; | |
183 | } | |
184 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
185 | if (!strcmp("http.sslkey", var)) { | |
186 | if (ssl_key == NULL) { | |
187 | ssl_key = xmalloc(strlen(value)+1); | |
188 | strcpy(ssl_key, value); | |
189 | } | |
190 | return 0; | |
191 | } | |
192 | #endif | |
193 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
194 | if (!strcmp("http.sslcapath", var)) { | |
195 | if (ssl_capath == NULL) { | |
196 | ssl_capath = xmalloc(strlen(value)+1); | |
197 | strcpy(ssl_capath, value); | |
198 | } | |
199 | return 0; | |
200 | } | |
201 | #endif | |
202 | if (!strcmp("http.sslcainfo", var)) { | |
203 | if (ssl_cainfo == NULL) { | |
204 | ssl_cainfo = xmalloc(strlen(value)+1); | |
205 | strcpy(ssl_cainfo, value); | |
206 | } | |
207 | return 0; | |
208 | } | |
209 | ||
210 | #ifdef USE_CURL_MULTI | |
211 | if (!strcmp("http.maxrequests", var)) { | |
212 | if (max_requests == -1) | |
213 | max_requests = git_config_int(var, value); | |
214 | return 0; | |
215 | } | |
216 | #endif | |
217 | ||
218 | if (!strcmp("http.lowspeedlimit", var)) { | |
219 | if (curl_low_speed_limit == -1) | |
220 | curl_low_speed_limit = (long)git_config_int(var, value); | |
221 | return 0; | |
222 | } | |
223 | if (!strcmp("http.lowspeedtime", var)) { | |
224 | if (curl_low_speed_time == -1) | |
225 | curl_low_speed_time = (long)git_config_int(var, value); | |
226 | return 0; | |
227 | } | |
228 | ||
229 | /* Fall back on the default ones */ | |
230 | return git_default_config(var, value); | |
231 | } | |
232 | ||
233 | static size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
234 | struct buffer *buffer) | |
235 | { | |
236 | size_t size = eltsize * nmemb; | |
237 | if (size > buffer->size - buffer->posn) | |
238 | size = buffer->size - buffer->posn; | |
239 | memcpy(ptr, buffer->buffer + buffer->posn, size); | |
240 | buffer->posn += size; | |
241 | return size; | |
242 | } | |
243 | ||
244 | static size_t fwrite_buffer_dynamic(const void *ptr, size_t eltsize, | |
245 | size_t nmemb, struct buffer *buffer) | |
246 | { | |
247 | size_t size = eltsize * nmemb; | |
248 | if (size > buffer->size - buffer->posn) { | |
249 | buffer->size = buffer->size * 3 / 2; | |
250 | if (buffer->size < buffer->posn + size) | |
251 | buffer->size = buffer->posn + size; | |
252 | buffer->buffer = xrealloc(buffer->buffer, buffer->size); | |
253 | } | |
254 | memcpy(buffer->buffer + buffer->posn, ptr, size); | |
255 | buffer->posn += size; | |
256 | data_received++; | |
257 | return size; | |
258 | } | |
259 | ||
260 | static size_t fwrite_null(const void *ptr, size_t eltsize, | |
261 | size_t nmemb, struct buffer *buffer) | |
262 | { | |
263 | data_received++; | |
264 | return eltsize * nmemb; | |
265 | } | |
266 | ||
267 | #ifdef USE_CURL_MULTI | |
268 | static void process_curl_messages(void); | |
269 | static void process_request_queue(void); | |
270 | #endif | |
271 | ||
272 | static CURL* get_curl_handle(void) | |
273 | { | |
274 | CURL* result = curl_easy_init(); | |
275 | ||
276 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify); | |
277 | #if LIBCURL_VERSION_NUM >= 0x070907 | |
278 | curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL); | |
279 | #endif | |
280 | ||
281 | if (ssl_cert != NULL) | |
282 | curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); | |
283 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
284 | if (ssl_key != NULL) | |
285 | curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key); | |
286 | #endif | |
287 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
288 | if (ssl_capath != NULL) | |
289 | curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath); | |
290 | #endif | |
291 | if (ssl_cainfo != NULL) | |
292 | curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo); | |
293 | curl_easy_setopt(result, CURLOPT_FAILONERROR, 1); | |
294 | ||
295 | if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) { | |
296 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT, | |
297 | curl_low_speed_limit); | |
298 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME, | |
299 | curl_low_speed_time); | |
300 | } | |
301 | ||
302 | return result; | |
303 | } | |
304 | ||
305 | static struct active_request_slot *get_active_slot(void) | |
306 | { | |
307 | struct active_request_slot *slot = active_queue_head; | |
308 | struct active_request_slot *newslot; | |
309 | ||
310 | #ifdef USE_CURL_MULTI | |
311 | int num_transfers; | |
312 | ||
313 | /* Wait for a slot to open up if the queue is full */ | |
314 | while (active_requests >= max_requests) { | |
315 | curl_multi_perform(curlm, &num_transfers); | |
316 | if (num_transfers < active_requests) { | |
317 | process_curl_messages(); | |
318 | } | |
319 | } | |
320 | #endif | |
321 | ||
322 | while (slot != NULL && slot->in_use) { | |
323 | slot = slot->next; | |
324 | } | |
325 | if (slot == NULL) { | |
326 | newslot = xmalloc(sizeof(*newslot)); | |
327 | newslot->curl = NULL; | |
328 | newslot->in_use = 0; | |
329 | newslot->next = NULL; | |
330 | ||
331 | slot = active_queue_head; | |
332 | if (slot == NULL) { | |
333 | active_queue_head = newslot; | |
334 | } else { | |
335 | while (slot->next != NULL) { | |
336 | slot = slot->next; | |
337 | } | |
338 | slot->next = newslot; | |
339 | } | |
340 | slot = newslot; | |
341 | } | |
342 | ||
343 | if (slot->curl == NULL) { | |
344 | #ifdef NO_CURL_EASY_DUPHANDLE | |
345 | slot->curl = get_curl_handle(); | |
346 | #else | |
347 | slot->curl = curl_easy_duphandle(curl_default); | |
348 | #endif | |
349 | } | |
350 | ||
351 | active_requests++; | |
352 | slot->in_use = 1; | |
353 | slot->done = 0; | |
354 | slot->local = NULL; | |
355 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, default_headers); | |
356 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr); | |
357 | ||
358 | return slot; | |
359 | } | |
360 | ||
361 | static int start_active_slot(struct active_request_slot *slot) | |
362 | { | |
363 | #ifdef USE_CURL_MULTI | |
364 | CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl); | |
365 | ||
366 | if (curlm_result != CURLM_OK && | |
367 | curlm_result != CURLM_CALL_MULTI_PERFORM) { | |
368 | active_requests--; | |
369 | slot->in_use = 0; | |
370 | return 0; | |
371 | } | |
372 | #endif | |
373 | return 1; | |
374 | } | |
375 | ||
376 | static void run_active_slot(struct active_request_slot *slot) | |
377 | { | |
378 | #ifdef USE_CURL_MULTI | |
379 | int num_transfers; | |
380 | long last_pos = 0; | |
381 | long current_pos; | |
382 | fd_set readfds; | |
383 | fd_set writefds; | |
384 | fd_set excfds; | |
385 | int max_fd; | |
386 | struct timeval select_timeout; | |
387 | CURLMcode curlm_result; | |
388 | ||
389 | while (!slot->done) { | |
390 | data_received = 0; | |
391 | do { | |
392 | curlm_result = curl_multi_perform(curlm, | |
393 | &num_transfers); | |
394 | } while (curlm_result == CURLM_CALL_MULTI_PERFORM); | |
395 | if (num_transfers < active_requests) { | |
396 | process_curl_messages(); | |
397 | process_request_queue(); | |
398 | } | |
399 | ||
400 | if (!data_received && slot->local != NULL) { | |
401 | current_pos = ftell(slot->local); | |
402 | if (current_pos > last_pos) | |
403 | data_received++; | |
404 | last_pos = current_pos; | |
405 | } | |
406 | ||
407 | if (!slot->done && !data_received) { | |
408 | max_fd = 0; | |
409 | FD_ZERO(&readfds); | |
410 | FD_ZERO(&writefds); | |
411 | FD_ZERO(&excfds); | |
412 | select_timeout.tv_sec = 0; | |
413 | select_timeout.tv_usec = 50000; | |
414 | select(max_fd, &readfds, &writefds, | |
415 | &excfds, &select_timeout); | |
416 | } | |
417 | } | |
418 | #else | |
419 | slot->curl_result = curl_easy_perform(slot->curl); | |
420 | active_requests--; | |
421 | #endif | |
422 | } | |
423 | ||
424 | static void start_check(struct transfer_request *request) | |
425 | { | |
426 | char *hex = sha1_to_hex(request->sha1); | |
427 | struct active_request_slot *slot; | |
428 | char *posn; | |
429 | ||
430 | request->url = xmalloc(strlen(remote->url) + 55); | |
431 | strcpy(request->url, remote->url); | |
432 | posn = request->url + strlen(remote->url); | |
433 | strcpy(posn, "objects/"); | |
434 | posn += 8; | |
435 | memcpy(posn, hex, 2); | |
436 | posn += 2; | |
437 | *(posn++) = '/'; | |
438 | strcpy(posn, hex + 2); | |
439 | ||
440 | slot = get_active_slot(); | |
441 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
442 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
443 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
444 | ||
445 | if (start_active_slot(slot)) { | |
446 | request->slot = slot; | |
447 | request->state = RUN_HEAD; | |
448 | } else { | |
449 | request->state = ABORTED; | |
450 | free(request->url); | |
451 | } | |
452 | } | |
453 | ||
454 | static void start_mkcol(struct transfer_request *request) | |
455 | { | |
456 | char *hex = sha1_to_hex(request->sha1); | |
457 | struct active_request_slot *slot; | |
458 | char *posn; | |
459 | ||
460 | request->url = xmalloc(strlen(remote->url) + 13); | |
461 | strcpy(request->url, remote->url); | |
462 | posn = request->url + strlen(remote->url); | |
463 | strcpy(posn, "objects/"); | |
464 | posn += 8; | |
465 | memcpy(posn, hex, 2); | |
466 | posn += 2; | |
467 | strcpy(posn, "/"); | |
468 | ||
469 | slot = get_active_slot(); | |
470 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
471 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
472 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
473 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
474 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
475 | ||
476 | if (start_active_slot(slot)) { | |
477 | request->slot = slot; | |
478 | request->state = RUN_MKCOL; | |
479 | } else { | |
480 | request->state = ABORTED; | |
481 | free(request->url); | |
482 | } | |
483 | } | |
484 | ||
485 | static void start_put(struct transfer_request *request) | |
486 | { | |
487 | char *hex = sha1_to_hex(request->sha1); | |
488 | struct active_request_slot *slot; | |
489 | char *posn; | |
490 | char type[20]; | |
491 | char hdr[50]; | |
492 | void *unpacked; | |
493 | unsigned long len; | |
494 | int hdrlen; | |
495 | ssize_t size; | |
496 | z_stream stream; | |
497 | ||
498 | unpacked = read_sha1_file(request->sha1, type, &len); | |
499 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; | |
500 | ||
501 | /* Set it up */ | |
502 | memset(&stream, 0, sizeof(stream)); | |
503 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
504 | size = deflateBound(&stream, len + hdrlen); | |
505 | request->buffer.buffer = xmalloc(size); | |
506 | ||
507 | /* Compress it */ | |
508 | stream.next_out = request->buffer.buffer; | |
509 | stream.avail_out = size; | |
510 | ||
511 | /* First header.. */ | |
512 | stream.next_in = (void *)hdr; | |
513 | stream.avail_in = hdrlen; | |
514 | while (deflate(&stream, 0) == Z_OK) | |
515 | /* nothing */; | |
516 | ||
517 | /* Then the data itself.. */ | |
518 | stream.next_in = unpacked; | |
519 | stream.avail_in = len; | |
520 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
521 | /* nothing */; | |
522 | deflateEnd(&stream); | |
523 | free(unpacked); | |
524 | ||
525 | request->buffer.size = stream.total_out; | |
526 | request->buffer.posn = 0; | |
527 | ||
528 | if (request->url != NULL) | |
529 | free(request->url); | |
530 | request->url = xmalloc(strlen(remote->url) + | |
26349b2e | 531 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
532 | strcpy(request->url, remote->url); |
533 | posn = request->url + strlen(remote->url); | |
534 | strcpy(posn, "objects/"); | |
535 | posn += 8; | |
536 | memcpy(posn, hex, 2); | |
537 | posn += 2; | |
538 | *(posn++) = '/'; | |
539 | strcpy(posn, hex + 2); | |
540 | request->dest = xmalloc(strlen(request->url) + 14); | |
541 | sprintf(request->dest, "Destination: %s", request->url); | |
542 | posn += 38; | |
543 | *(posn++) = '.'; | |
26349b2e | 544 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
545 | |
546 | slot = get_active_slot(); | |
547 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); | |
548 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
549 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
550 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
551 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
552 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
553 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
554 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
555 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
556 | ||
557 | if (start_active_slot(slot)) { | |
558 | request->slot = slot; | |
559 | request->state = RUN_PUT; | |
560 | } else { | |
561 | request->state = ABORTED; | |
562 | free(request->url); | |
563 | } | |
564 | } | |
565 | ||
566 | static void start_move(struct transfer_request *request) | |
567 | { | |
568 | struct active_request_slot *slot; | |
569 | struct curl_slist *dav_headers = NULL; | |
570 | ||
571 | slot = get_active_slot(); | |
572 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
573 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
574 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
575 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
576 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
577 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
578 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
579 | ||
580 | if (start_active_slot(slot)) { | |
581 | request->slot = slot; | |
582 | request->state = RUN_MOVE; | |
583 | } else { | |
584 | request->state = ABORTED; | |
585 | free(request->url); | |
586 | } | |
587 | } | |
588 | ||
75187c9d NH |
589 | int refresh_lock(struct active_lock *lock) |
590 | { | |
591 | struct active_request_slot *slot; | |
592 | char *if_header; | |
593 | char timeout_header[25]; | |
594 | struct curl_slist *dav_headers = NULL; | |
595 | int rc = 0; | |
596 | ||
597 | lock->refreshing = 1; | |
598 | ||
599 | if_header = xmalloc(strlen(lock->token) + 25); | |
600 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
601 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
602 | dav_headers = curl_slist_append(dav_headers, if_header); | |
603 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
604 | ||
605 | slot = get_active_slot(); | |
606 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
607 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
608 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
609 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
610 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
611 | ||
612 | if (start_active_slot(slot)) { | |
613 | run_active_slot(slot); | |
614 | if (slot->curl_result != CURLE_OK) { | |
615 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
616 | } else { | |
617 | lock->start_time = time(NULL); | |
618 | rc = 1; | |
619 | } | |
620 | } | |
621 | ||
622 | lock->refreshing = 0; | |
623 | curl_slist_free_all(dav_headers); | |
624 | free(if_header); | |
625 | ||
626 | return rc; | |
627 | } | |
628 | ||
58e60dd2 NH |
629 | static void finish_request(struct transfer_request *request) |
630 | { | |
75187c9d NH |
631 | time_t current_time = time(NULL); |
632 | int time_remaining; | |
633 | ||
58e60dd2 NH |
634 | request->curl_result = request->slot->curl_result; |
635 | request->http_code = request->slot->http_code; | |
636 | request->slot = NULL; | |
75187c9d NH |
637 | |
638 | /* Refresh the lock if it is close to timing out */ | |
639 | time_remaining = request->lock->start_time + request->lock->timeout | |
640 | - current_time; | |
641 | if (time_remaining < LOCK_REFRESH && !request->lock->refreshing) { | |
642 | if (!refresh_lock(request->lock)) { | |
643 | fprintf(stderr, "Unable to refresh remote lock\n"); | |
644 | aborted = 1; | |
645 | } | |
646 | } | |
647 | ||
58e60dd2 NH |
648 | if (request->headers != NULL) |
649 | curl_slist_free_all(request->headers); | |
650 | if (request->state == RUN_HEAD) { | |
651 | if (request->http_code == 404) { | |
652 | request->state = NEED_PUSH; | |
653 | } else if (request->curl_result == CURLE_OK) { | |
0dd276b8 | 654 | remote_dir_exists[request->sha1[0]] = 1; |
58e60dd2 NH |
655 | request->state = COMPLETE; |
656 | } else { | |
657 | fprintf(stderr, "HEAD %s failed, aborting (%d/%ld)\n", | |
658 | sha1_to_hex(request->sha1), | |
659 | request->curl_result, request->http_code); | |
660 | request->state = ABORTED; | |
661 | aborted = 1; | |
662 | } | |
663 | } else if (request->state == RUN_MKCOL) { | |
664 | if (request->curl_result == CURLE_OK || | |
665 | request->http_code == 405) { | |
0dd276b8 | 666 | remote_dir_exists[request->sha1[0]] = 1; |
58e60dd2 NH |
667 | start_put(request); |
668 | } else { | |
669 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
670 | sha1_to_hex(request->sha1), | |
671 | request->curl_result, request->http_code); | |
672 | request->state = ABORTED; | |
673 | aborted = 1; | |
674 | } | |
675 | } else if (request->state == RUN_PUT) { | |
676 | if (request->curl_result == CURLE_OK) { | |
677 | start_move(request); | |
678 | } else { | |
679 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
680 | sha1_to_hex(request->sha1), | |
681 | request->curl_result, request->http_code); | |
682 | request->state = ABORTED; | |
683 | aborted = 1; | |
684 | } | |
685 | } else if (request->state == RUN_MOVE) { | |
686 | if (request->curl_result == CURLE_OK) { | |
687 | if (push_verbosely) | |
688 | fprintf(stderr, | |
689 | "sent %s\n", | |
690 | sha1_to_hex(request->sha1)); | |
691 | request->state = COMPLETE; | |
692 | } else { | |
693 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
694 | sha1_to_hex(request->sha1), | |
695 | request->curl_result, request->http_code); | |
696 | request->state = ABORTED; | |
697 | aborted = 1; | |
698 | } | |
699 | } | |
700 | } | |
701 | ||
702 | static void release_request(struct transfer_request *request) | |
703 | { | |
704 | struct transfer_request *entry = request_queue_head; | |
705 | ||
706 | if (request == request_queue_head) { | |
707 | request_queue_head = request->next; | |
708 | } else { | |
709 | while (entry->next != NULL && entry->next != request) | |
710 | entry = entry->next; | |
711 | if (entry->next == request) | |
712 | entry->next = entry->next->next; | |
713 | } | |
714 | ||
715 | free(request->url); | |
716 | free(request); | |
717 | } | |
718 | ||
719 | #ifdef USE_CURL_MULTI | |
720 | void process_curl_messages(void) | |
721 | { | |
722 | int num_messages; | |
723 | struct active_request_slot *slot; | |
724 | struct transfer_request *request = NULL; | |
725 | CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages); | |
726 | ||
727 | while (curl_message != NULL) { | |
728 | if (curl_message->msg == CURLMSG_DONE) { | |
729 | slot = active_queue_head; | |
730 | while (slot != NULL && | |
731 | slot->curl != curl_message->easy_handle) | |
732 | slot = slot->next; | |
733 | if (slot != NULL) { | |
734 | curl_multi_remove_handle(curlm, slot->curl); | |
735 | active_requests--; | |
736 | slot->done = 1; | |
737 | slot->in_use = 0; | |
738 | slot->curl_result = curl_message->data.result; | |
739 | curl_easy_getinfo(slot->curl, | |
740 | CURLINFO_HTTP_CODE, | |
741 | &slot->http_code); | |
742 | request = request_queue_head; | |
743 | while (request != NULL && | |
744 | request->slot != slot) | |
745 | request = request->next; | |
746 | if (request != NULL) | |
747 | finish_request(request); | |
748 | } else { | |
749 | fprintf(stderr, "Received DONE message for unknown request!\n"); | |
750 | } | |
751 | } else { | |
752 | fprintf(stderr, "Unknown CURL message received: %d\n", | |
753 | (int)curl_message->msg); | |
754 | } | |
755 | curl_message = curl_multi_info_read(curlm, &num_messages); | |
756 | } | |
757 | } | |
758 | ||
759 | void process_request_queue(void) | |
760 | { | |
761 | struct transfer_request *request = request_queue_head; | |
762 | struct active_request_slot *slot = active_queue_head; | |
763 | int num_transfers; | |
764 | ||
765 | if (aborted) | |
766 | return; | |
767 | ||
768 | while (active_requests < max_requests && request != NULL) { | |
769 | if (!pushing && request->state == NEED_CHECK) { | |
770 | start_check(request); | |
771 | curl_multi_perform(curlm, &num_transfers); | |
772 | } else if (pushing && request->state == NEED_PUSH) { | |
0dd276b8 NH |
773 | if (remote_dir_exists[request->sha1[0]]) |
774 | start_put(request); | |
775 | else | |
776 | start_mkcol(request); | |
58e60dd2 NH |
777 | curl_multi_perform(curlm, &num_transfers); |
778 | } | |
779 | request = request->next; | |
780 | } | |
781 | ||
782 | while (slot != NULL) { | |
783 | if (!slot->in_use && slot->curl != NULL) { | |
784 | curl_easy_cleanup(slot->curl); | |
785 | slot->curl = NULL; | |
786 | } | |
787 | slot = slot->next; | |
788 | } | |
789 | } | |
790 | #endif | |
791 | ||
792 | void process_waiting_requests(void) | |
793 | { | |
794 | struct active_request_slot *slot = active_queue_head; | |
795 | ||
796 | while (slot != NULL) | |
797 | if (slot->in_use) { | |
798 | run_active_slot(slot); | |
799 | slot = active_queue_head; | |
800 | } else { | |
801 | slot = slot->next; | |
802 | } | |
803 | } | |
804 | ||
26349b2e | 805 | void add_request(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
806 | { |
807 | struct transfer_request *request = request_queue_head; | |
58e60dd2 NH |
808 | struct packed_git *target; |
809 | ||
810 | while (request != NULL && memcmp(request->sha1, sha1, 20)) | |
811 | request = request->next; | |
812 | if (request != NULL) | |
813 | return; | |
814 | ||
815 | target = find_sha1_pack(sha1, remote->packs); | |
816 | if (target) | |
817 | return; | |
818 | ||
819 | request = xmalloc(sizeof(*request)); | |
820 | memcpy(request->sha1, sha1, 20); | |
821 | request->url = NULL; | |
26349b2e | 822 | request->lock = lock; |
58e60dd2 NH |
823 | request->headers = NULL; |
824 | request->state = NEED_CHECK; | |
c17fb6ee NH |
825 | request->next = request_queue_head; |
826 | request_queue_head = request; | |
58e60dd2 NH |
827 | #ifdef USE_CURL_MULTI |
828 | process_request_queue(); | |
829 | process_curl_messages(); | |
830 | #endif | |
831 | } | |
832 | ||
833 | static int fetch_index(unsigned char *sha1) | |
834 | { | |
835 | char *hex = sha1_to_hex(sha1); | |
836 | char *filename; | |
837 | char *url; | |
838 | char tmpfile[PATH_MAX]; | |
839 | long prev_posn = 0; | |
840 | char range[RANGE_HEADER_SIZE]; | |
841 | struct curl_slist *range_header = NULL; | |
842 | ||
843 | FILE *indexfile; | |
844 | struct active_request_slot *slot; | |
845 | ||
c17fb6ee NH |
846 | /* Don't use the index if the pack isn't there */ |
847 | url = xmalloc(strlen(remote->url) + 65); | |
848 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
849 | slot = get_active_slot(); | |
850 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
851 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
852 | if (start_active_slot(slot)) { | |
853 | run_active_slot(slot); | |
854 | if (slot->curl_result != CURLE_OK) { | |
855 | free(url); | |
856 | return error("Unable to verify pack %s is available", | |
857 | hex); | |
858 | } | |
859 | } else { | |
860 | return error("Unable to start request"); | |
861 | } | |
862 | ||
58e60dd2 NH |
863 | if (has_pack_index(sha1)) |
864 | return 0; | |
865 | ||
866 | if (push_verbosely) | |
867 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
868 | ||
58e60dd2 NH |
869 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
870 | ||
871 | filename = sha1_pack_index_name(sha1); | |
872 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
873 | indexfile = fopen(tmpfile, "a"); | |
874 | if (!indexfile) | |
875 | return error("Unable to open local file %s for pack index", | |
876 | filename); | |
877 | ||
878 | slot = get_active_slot(); | |
c17fb6ee NH |
879 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
880 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
881 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
882 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
883 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
884 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
885 | slot->local = indexfile; | |
886 | ||
887 | /* If there is data present from a previous transfer attempt, | |
888 | resume where it left off */ | |
889 | prev_posn = ftell(indexfile); | |
890 | if (prev_posn>0) { | |
891 | if (push_verbosely) | |
892 | fprintf(stderr, | |
893 | "Resuming fetch of index for pack %s at byte %ld\n", | |
894 | hex, prev_posn); | |
895 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
896 | range_header = curl_slist_append(range_header, range); | |
897 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
898 | } | |
899 | ||
900 | if (start_active_slot(slot)) { | |
901 | run_active_slot(slot); | |
902 | if (slot->curl_result != CURLE_OK) { | |
903 | free(url); | |
904 | fclose(indexfile); | |
905 | return error("Unable to get pack index %s\n%s", url, | |
906 | curl_errorstr); | |
907 | } | |
908 | } else { | |
909 | free(url); | |
910 | return error("Unable to start request"); | |
911 | } | |
912 | ||
913 | free(url); | |
914 | fclose(indexfile); | |
915 | ||
916 | return move_temp_to_file(tmpfile, filename); | |
917 | } | |
918 | ||
919 | static int setup_index(unsigned char *sha1) | |
920 | { | |
921 | struct packed_git *new_pack; | |
58e60dd2 NH |
922 | |
923 | if (fetch_index(sha1)) | |
924 | return -1; | |
925 | ||
926 | new_pack = parse_pack_index(sha1); | |
927 | new_pack->next = remote->packs; | |
928 | remote->packs = new_pack; | |
929 | return 0; | |
930 | } | |
931 | ||
932 | static int fetch_indices() | |
933 | { | |
934 | unsigned char sha1[20]; | |
935 | char *url; | |
936 | struct buffer buffer; | |
937 | char *data; | |
938 | int i = 0; | |
939 | ||
940 | struct active_request_slot *slot; | |
941 | ||
942 | data = xmalloc(4096); | |
943 | memset(data, 0, 4096); | |
944 | buffer.size = 4096; | |
945 | buffer.posn = 0; | |
946 | buffer.buffer = data; | |
947 | ||
948 | if (push_verbosely) | |
949 | fprintf(stderr, "Getting pack list\n"); | |
950 | ||
951 | url = xmalloc(strlen(remote->url) + 21); | |
952 | sprintf(url, "%s/objects/info/packs", remote->url); | |
953 | ||
954 | slot = get_active_slot(); | |
955 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
956 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
957 | fwrite_buffer_dynamic); | |
958 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
959 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
960 | if (start_active_slot(slot)) { | |
961 | run_active_slot(slot); | |
962 | if (slot->curl_result != CURLE_OK) { | |
963 | free(buffer.buffer); | |
964 | free(url); | |
965 | if (slot->http_code == 404) | |
966 | return 0; | |
967 | else | |
968 | return error("%s", curl_errorstr); | |
969 | } | |
970 | } else { | |
971 | free(buffer.buffer); | |
972 | free(url); | |
973 | return error("Unable to start request"); | |
974 | } | |
975 | free(url); | |
976 | ||
977 | data = buffer.buffer; | |
978 | while (i < buffer.posn) { | |
979 | switch (data[i]) { | |
980 | case 'P': | |
981 | i++; | |
982 | if (i + 52 < buffer.posn && | |
983 | !strncmp(data + i, " pack-", 6) && | |
984 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
985 | get_sha1_hex(data + i + 6, sha1); | |
986 | setup_index(sha1); | |
987 | i += 51; | |
988 | break; | |
989 | } | |
990 | default: | |
991 | while (data[i] != '\n') | |
992 | i++; | |
993 | } | |
994 | i++; | |
995 | } | |
996 | ||
997 | free(buffer.buffer); | |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static inline int needs_quote(int ch) | |
1002 | { | |
1003 | switch (ch) { | |
1004 | case '/': case '-': case '.': | |
1005 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
1006 | return 0; | |
1007 | default: | |
1008 | return 1; | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | static inline int hex(int v) | |
1013 | { | |
1014 | if (v < 10) return '0' + v; | |
1015 | else return 'A' + v - 10; | |
1016 | } | |
1017 | ||
1018 | static char *quote_ref_url(const char *base, const char *ref) | |
1019 | { | |
1020 | const char *cp; | |
1021 | char *dp, *qref; | |
1022 | int len, baselen, ch; | |
1023 | ||
1024 | baselen = strlen(base); | |
1025 | len = baselen + 12; /* "refs/heads/" + NUL */ | |
1026 | for (cp = ref; (ch = *cp) != 0; cp++, len++) | |
1027 | if (needs_quote(ch)) | |
1028 | len += 2; /* extra two hex plus replacement % */ | |
1029 | qref = xmalloc(len); | |
1030 | memcpy(qref, base, baselen); | |
1031 | memcpy(qref + baselen, "refs/heads/", 11); | |
1032 | for (cp = ref, dp = qref + baselen + 11; (ch = *cp) != 0; cp++) { | |
1033 | if (needs_quote(ch)) { | |
1034 | *dp++ = '%'; | |
1035 | *dp++ = hex((ch >> 4) & 0xF); | |
1036 | *dp++ = hex(ch & 0xF); | |
1037 | } | |
1038 | else | |
1039 | *dp++ = ch; | |
1040 | } | |
1041 | *dp = 0; | |
1042 | ||
1043 | return qref; | |
1044 | } | |
1045 | ||
1046 | int fetch_ref(char *ref, unsigned char *sha1) | |
1047 | { | |
1048 | char *url; | |
1049 | char hex[42]; | |
1050 | struct buffer buffer; | |
1051 | char *base = remote->url; | |
1052 | struct active_request_slot *slot; | |
1053 | buffer.size = 41; | |
1054 | buffer.posn = 0; | |
1055 | buffer.buffer = hex; | |
1056 | hex[41] = '\0'; | |
1057 | ||
1058 | url = quote_ref_url(base, ref); | |
1059 | slot = get_active_slot(); | |
1060 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
1061 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1062 | fwrite_buffer_dynamic); | |
1063 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1064 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1065 | if (start_active_slot(slot)) { | |
1066 | run_active_slot(slot); | |
1067 | if (slot->curl_result != CURLE_OK) | |
1068 | return error("Couldn't get %s for %s\n%s", | |
1069 | url, ref, curl_errorstr); | |
1070 | } else { | |
1071 | return error("Unable to start request"); | |
1072 | } | |
1073 | ||
1074 | hex[40] = '\0'; | |
1075 | get_sha1_hex(hex, sha1); | |
1076 | return 0; | |
1077 | } | |
1078 | ||
26349b2e NH |
1079 | static void |
1080 | start_activelock_element(void *userData, const char *name, const char **atts) | |
1081 | { | |
1082 | struct active_lock *lock = (struct active_lock *)userData; | |
1083 | ||
1084 | if (lock->ctx_activelock && !strcmp(name, "D:timeout")) | |
1085 | lock->ctx_timeout = 1; | |
1086 | else if (lock->ctx_owner && strstr(name, "href")) | |
1087 | lock->ctx_owner_href = 1; | |
1088 | else if (lock->ctx_activelock && strstr(name, "owner")) | |
1089 | lock->ctx_owner = 1; | |
1090 | else if (lock->ctx_locktoken && !strcmp(name, "D:href")) | |
1091 | lock->ctx_locktoken_href = 1; | |
1092 | else if (lock->ctx_activelock && !strcmp(name, "D:locktoken")) | |
1093 | lock->ctx_locktoken = 1; | |
1094 | else if (!strcmp(name, "D:activelock")) | |
1095 | lock->ctx_activelock = 1; | |
1096 | } | |
1097 | ||
1098 | static void | |
1099 | end_activelock_element(void *userData, const char *name) | |
1100 | { | |
1101 | struct active_lock *lock = (struct active_lock *)userData; | |
1102 | ||
1103 | if (lock->ctx_timeout && !strcmp(name, "D:timeout")) { | |
1104 | lock->ctx_timeout = 0; | |
1105 | } else if (lock->ctx_owner_href && strstr(name, "href")) { | |
1106 | lock->ctx_owner_href = 0; | |
1107 | } else if (lock->ctx_owner && strstr(name, "owner")) { | |
1108 | lock->ctx_owner = 0; | |
1109 | } else if (lock->ctx_locktoken_href && !strcmp(name, "D:href")) { | |
1110 | lock->ctx_locktoken_href = 0; | |
1111 | } else if (lock->ctx_locktoken && !strcmp(name, "D:locktoken")) { | |
1112 | lock->ctx_locktoken = 0; | |
1113 | } else if (lock->ctx_activelock && !strcmp(name, "D:activelock")) { | |
1114 | lock->ctx_activelock = 0; | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | static void | |
1119 | activelock_cdata(void *userData, const XML_Char *s, int len) | |
1120 | { | |
1121 | struct active_lock *lock = (struct active_lock *)userData; | |
1122 | char *this = malloc(len+1); | |
1123 | strncpy(this, s, len); | |
1124 | ||
1125 | if (lock->ctx_owner_href) { | |
1126 | lock->owner = malloc(len+1); | |
1127 | strcpy(lock->owner, this); | |
1128 | } else if (lock->ctx_locktoken_href) { | |
1129 | if (!strncmp(this, "opaquelocktoken:", 16)) { | |
1130 | lock->token = malloc(len-15); | |
1131 | strcpy(lock->token, this+16); | |
1132 | } | |
1133 | } else if (lock->ctx_timeout) { | |
1134 | if (!strncmp(this, "Second-", 7)) | |
1135 | lock->timeout = strtol(this+7, NULL, 10); | |
1136 | } | |
1137 | ||
1138 | free(this); | |
1139 | } | |
1140 | ||
58e60dd2 NH |
1141 | static void |
1142 | start_lockprop_element(void *userData, const char *name, const char **atts) | |
1143 | { | |
1144 | struct lockprop *prop = (struct lockprop *)userData; | |
1145 | ||
1146 | if (prop->lock_type && !strcmp(name, "D:write")) { | |
1147 | if (prop->lock_exclusive) { | |
1148 | prop->lock_exclusive_write = 1; | |
1149 | } | |
1150 | } else if (prop->lock_scope && !strcmp(name, "D:exclusive")) { | |
1151 | prop->lock_exclusive = 1; | |
1152 | } else if (prop->lock_entry) { | |
1153 | if (!strcmp(name, "D:lockscope")) { | |
1154 | prop->lock_scope = 1; | |
1155 | } else if (!strcmp(name, "D:locktype")) { | |
1156 | prop->lock_type = 1; | |
1157 | } | |
1158 | } else if (prop->supported_lock) { | |
1159 | if (!strcmp(name, "D:lockentry")) { | |
1160 | prop->lock_entry = 1; | |
1161 | } | |
1162 | } else if (!strcmp(name, "D:supportedlock")) { | |
1163 | prop->supported_lock = 1; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | static void | |
1168 | end_lockprop_element(void *userData, const char *name) | |
1169 | { | |
1170 | struct lockprop *prop = (struct lockprop *)userData; | |
1171 | ||
1172 | if (!strcmp(name, "D:lockentry")) { | |
1173 | prop->lock_entry = 0; | |
1174 | prop->lock_scope = 0; | |
1175 | prop->lock_type = 0; | |
1176 | prop->lock_exclusive = 0; | |
1177 | } else if (!strcmp(name, "D:supportedlock")) { | |
1178 | prop->supported_lock = 0; | |
1179 | } | |
1180 | } | |
1181 | ||
75187c9d | 1182 | struct active_lock *lock_remote(char *file, long timeout) |
58e60dd2 NH |
1183 | { |
1184 | struct active_request_slot *slot; | |
1185 | struct buffer out_buffer; | |
26349b2e | 1186 | struct buffer in_buffer; |
58e60dd2 | 1187 | char *out_data; |
26349b2e | 1188 | char *in_data; |
58e60dd2 | 1189 | char *url; |
0772b9a6 | 1190 | char *ep; |
58e60dd2 | 1191 | char timeout_header[25]; |
26349b2e NH |
1192 | struct active_lock *new_lock; |
1193 | XML_Parser parser = XML_ParserCreate(NULL); | |
1194 | enum XML_Status result; | |
58e60dd2 NH |
1195 | struct curl_slist *dav_headers = NULL; |
1196 | ||
0772b9a6 NH |
1197 | url = xmalloc(strlen(remote->url) + strlen(file) + 1); |
1198 | sprintf(url, "%s%s", remote->url, file); | |
1199 | ||
1200 | /* Make sure leading directories exist for the remote ref */ | |
1201 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
1202 | while (ep) { | |
1203 | *ep = 0; | |
1204 | slot = get_active_slot(); | |
1205 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
1206 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1207 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
1208 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1209 | if (start_active_slot(slot)) { | |
1210 | run_active_slot(slot); | |
1211 | if (slot->curl_result != CURLE_OK && | |
1212 | slot->http_code != 405) { | |
1213 | fprintf(stderr, | |
1214 | "Unable to create branch path %s\n", | |
1215 | url); | |
1216 | free(url); | |
1217 | return NULL; | |
1218 | } | |
1219 | } else { | |
1220 | fprintf(stderr, "Unable to start request\n"); | |
1221 | free(url); | |
1222 | return NULL; | |
1223 | } | |
1224 | *ep = '/'; | |
1225 | ep = strchr(ep + 1, '/'); | |
1226 | } | |
1227 | ||
58e60dd2 NH |
1228 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
1229 | out_data = xmalloc(out_buffer.size + 1); | |
1230 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
1231 | out_buffer.posn = 0; | |
1232 | out_buffer.buffer = out_data; | |
1233 | ||
26349b2e NH |
1234 | in_buffer.size = 4096; |
1235 | in_data = xmalloc(in_buffer.size); | |
1236 | in_buffer.posn = 0; | |
1237 | in_buffer.buffer = in_data; | |
1238 | ||
1239 | new_lock = xmalloc(sizeof(*new_lock)); | |
1240 | new_lock->owner = NULL; | |
1241 | new_lock->token = NULL; | |
1242 | new_lock->timeout = -1; | |
75187c9d | 1243 | new_lock->refreshing = 0; |
26349b2e | 1244 | |
75187c9d | 1245 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
1246 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
1247 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1248 | ||
1249 | slot = get_active_slot(); | |
1250 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1251 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1252 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e NH |
1253 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
1254 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1255 | fwrite_buffer_dynamic); | |
58e60dd2 NH |
1256 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1257 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1258 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1259 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1260 | ||
1261 | if (start_active_slot(slot)) { | |
1262 | run_active_slot(slot); | |
58e60dd2 NH |
1263 | if (slot->curl_result != CURLE_OK) { |
1264 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
26349b2e | 1265 | free(new_lock); |
0772b9a6 NH |
1266 | free(url); |
1267 | free(out_data); | |
26349b2e | 1268 | free(in_data); |
58e60dd2 NH |
1269 | return NULL; |
1270 | } | |
1271 | } else { | |
26349b2e | 1272 | free(new_lock); |
0772b9a6 | 1273 | free(url); |
58e60dd2 | 1274 | free(out_data); |
26349b2e | 1275 | free(in_data); |
58e60dd2 | 1276 | fprintf(stderr, "Unable to start request\n"); |
0772b9a6 | 1277 | return NULL; |
58e60dd2 NH |
1278 | } |
1279 | ||
0772b9a6 NH |
1280 | free(out_data); |
1281 | ||
26349b2e NH |
1282 | XML_SetUserData(parser, new_lock); |
1283 | XML_SetElementHandler(parser, start_activelock_element, | |
1284 | end_activelock_element); | |
1285 | XML_SetCharacterDataHandler(parser, activelock_cdata); | |
1286 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1287 | free(in_data); | |
1288 | if (result != XML_STATUS_OK) { | |
1289 | fprintf(stderr, "%s", XML_ErrorString( | |
1290 | XML_GetErrorCode(parser))); | |
75187c9d | 1291 | free(url); |
26349b2e NH |
1292 | free(new_lock); |
1293 | return NULL; | |
1294 | } | |
1295 | ||
1296 | if (new_lock->token == NULL || new_lock->timeout <= 0) { | |
1297 | if (new_lock->token != NULL) | |
1298 | free(new_lock->token); | |
1299 | if (new_lock->owner != NULL) | |
1300 | free(new_lock->owner); | |
75187c9d | 1301 | free(url); |
26349b2e NH |
1302 | free(new_lock); |
1303 | return NULL; | |
1304 | } | |
1305 | ||
75187c9d | 1306 | new_lock->url = url; |
26349b2e NH |
1307 | new_lock->start_time = time(NULL); |
1308 | return new_lock; | |
58e60dd2 NH |
1309 | } |
1310 | ||
75187c9d | 1311 | int unlock_remote(struct active_lock *lock) |
58e60dd2 NH |
1312 | { |
1313 | struct active_request_slot *slot; | |
58e60dd2 NH |
1314 | char *lock_token_header; |
1315 | struct curl_slist *dav_headers = NULL; | |
1316 | int rc = 0; | |
1317 | ||
26349b2e | 1318 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1319 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1320 | lock->token); |
58e60dd2 NH |
1321 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1322 | ||
1323 | slot = get_active_slot(); | |
1324 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
75187c9d | 1325 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1326 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1327 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1328 | ||
1329 | if (start_active_slot(slot)) { | |
1330 | run_active_slot(slot); | |
1331 | if (slot->curl_result == CURLE_OK) | |
1332 | rc = 1; | |
1333 | else | |
1334 | fprintf(stderr, "Got HTTP error %ld\n", | |
1335 | slot->http_code); | |
1336 | } else { | |
1337 | fprintf(stderr, "Unable to start request\n"); | |
1338 | } | |
1339 | ||
1340 | curl_slist_free_all(dav_headers); | |
1341 | free(lock_token_header); | |
75187c9d NH |
1342 | |
1343 | if (lock->owner != NULL) | |
1344 | free(lock->owner); | |
1345 | free(lock->url); | |
1346 | free(lock->token); | |
1347 | free(lock); | |
58e60dd2 NH |
1348 | |
1349 | return rc; | |
1350 | } | |
1351 | ||
1352 | int check_locking() | |
1353 | { | |
1354 | struct active_request_slot *slot; | |
1355 | struct buffer in_buffer; | |
1356 | struct buffer out_buffer; | |
1357 | char *in_data; | |
1358 | char *out_data; | |
1359 | XML_Parser parser = XML_ParserCreate(NULL); | |
1360 | enum XML_Status result; | |
1361 | struct lockprop supported_lock; | |
1362 | struct curl_slist *dav_headers = NULL; | |
1363 | ||
1364 | out_buffer.size = strlen(PROPFIND_REQUEST) + strlen(remote->url) - 2; | |
1365 | out_data = xmalloc(out_buffer.size + 1); | |
1366 | snprintf(out_data, out_buffer.size + 1, PROPFIND_REQUEST, remote->url); | |
1367 | out_buffer.posn = 0; | |
1368 | out_buffer.buffer = out_data; | |
1369 | ||
1370 | in_buffer.size = 4096; | |
1371 | in_data = xmalloc(in_buffer.size); | |
1372 | in_buffer.posn = 0; | |
1373 | in_buffer.buffer = in_data; | |
1374 | ||
1375 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1376 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1377 | ||
1378 | slot = get_active_slot(); | |
1379 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1380 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1381 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1382 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1383 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1384 | fwrite_buffer_dynamic); | |
1385 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); | |
1386 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1387 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1388 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1389 | ||
1390 | if (start_active_slot(slot)) { | |
1391 | run_active_slot(slot); | |
1392 | free(out_data); | |
1393 | if (slot->curl_result != CURLE_OK) { | |
1394 | free(in_buffer.buffer); | |
1395 | return -1; | |
1396 | } | |
1397 | ||
1398 | XML_SetUserData(parser, &supported_lock); | |
1399 | XML_SetElementHandler(parser, start_lockprop_element, | |
1400 | end_lockprop_element); | |
1401 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1402 | free(in_buffer.buffer); | |
1403 | if (result != XML_STATUS_OK) | |
1404 | return error("%s", XML_ErrorString( | |
1405 | XML_GetErrorCode(parser))); | |
1406 | } else { | |
1407 | free(out_data); | |
1408 | free(in_buffer.buffer); | |
1409 | return error("Unable to start request"); | |
1410 | } | |
1411 | ||
1412 | if (supported_lock.lock_exclusive_write) | |
1413 | return 0; | |
1414 | else | |
1415 | return 1; | |
1416 | } | |
1417 | ||
1418 | int is_ancestor(unsigned char *sha1, struct commit *commit) | |
1419 | { | |
1420 | struct commit_list *parents; | |
1421 | ||
1422 | if (parse_commit(commit)) | |
1423 | return 0; | |
1424 | parents = commit->parents; | |
1425 | for (; parents; parents = parents->next) { | |
1426 | if (!memcmp(sha1, parents->item->object.sha1, 20)) { | |
1427 | return 1; | |
1428 | } else if (parents->item->object.type == commit_type) { | |
1429 | if (is_ancestor( | |
1430 | sha1, | |
1431 | (struct commit *)&parents->item->object | |
1432 | )) | |
1433 | return 1; | |
1434 | } | |
1435 | } | |
1436 | return 0; | |
1437 | } | |
1438 | ||
26349b2e NH |
1439 | void get_delta(unsigned char *sha1, struct object *obj, |
1440 | struct active_lock *lock) | |
58e60dd2 NH |
1441 | { |
1442 | struct commit *commit; | |
1443 | struct commit_list *parents; | |
1444 | struct tree *tree; | |
1445 | struct tree_entry_list *entry; | |
1446 | ||
1447 | if (sha1 && !memcmp(sha1, obj->sha1, 20)) | |
1448 | return; | |
1449 | ||
1450 | if (aborted) | |
1451 | return; | |
1452 | ||
1453 | if (obj->type == commit_type) { | |
1454 | if (push_verbosely) | |
1455 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1456 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1457 | commit = (struct commit *)obj; |
1458 | if (parse_commit(commit)) { | |
1459 | fprintf(stderr, "Error parsing commit %s\n", | |
1460 | sha1_to_hex(obj->sha1)); | |
1461 | aborted = 1; | |
1462 | return; | |
1463 | } | |
1464 | parents = commit->parents; | |
1465 | for (; parents; parents = parents->next) | |
1466 | if (sha1 == NULL || | |
1467 | memcmp(sha1, parents->item->object.sha1, 20)) | |
1468 | get_delta(sha1, &parents->item->object, | |
26349b2e NH |
1469 | lock); |
1470 | get_delta(sha1, &commit->tree->object, lock); | |
58e60dd2 NH |
1471 | } else if (obj->type == tree_type) { |
1472 | if (push_verbosely) | |
1473 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1474 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1475 | tree = (struct tree *)obj; |
1476 | if (parse_tree(tree)) { | |
1477 | fprintf(stderr, "Error parsing tree %s\n", | |
1478 | sha1_to_hex(obj->sha1)); | |
1479 | aborted = 1; | |
1480 | return; | |
1481 | } | |
1482 | entry = tree->entries; | |
1483 | tree->entries = NULL; | |
1484 | while (entry) { | |
1485 | struct tree_entry_list *next = entry->next; | |
26349b2e | 1486 | get_delta(sha1, entry->item.any, lock); |
58e60dd2 NH |
1487 | free(entry->name); |
1488 | free(entry); | |
1489 | entry = next; | |
1490 | } | |
1491 | } else if (obj->type == blob_type || obj->type == tag_type) { | |
26349b2e | 1492 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1493 | } |
1494 | } | |
1495 | ||
75187c9d | 1496 | int update_remote(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
1497 | { |
1498 | struct active_request_slot *slot; | |
58e60dd2 NH |
1499 | char *out_data; |
1500 | char *if_header; | |
1501 | struct buffer out_buffer; | |
1502 | struct curl_slist *dav_headers = NULL; | |
1503 | int i; | |
1504 | ||
26349b2e NH |
1505 | if_header = xmalloc(strlen(lock->token) + 25); |
1506 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1507 | dav_headers = curl_slist_append(dav_headers, if_header); |
1508 | ||
1509 | out_buffer.size = 41; | |
1510 | out_data = xmalloc(out_buffer.size + 1); | |
1511 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1512 | if (i != out_buffer.size) { | |
1513 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1514 | return 0; | |
1515 | } | |
1516 | out_buffer.posn = 0; | |
1517 | out_buffer.buffer = out_data; | |
1518 | ||
1519 | slot = get_active_slot(); | |
1520 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1521 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1522 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1523 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1524 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1525 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1526 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1527 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1528 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1529 | |
1530 | if (start_active_slot(slot)) { | |
1531 | run_active_slot(slot); | |
1532 | free(out_data); | |
1533 | free(if_header); | |
58e60dd2 NH |
1534 | if (slot->curl_result != CURLE_OK) { |
1535 | fprintf(stderr, | |
1536 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1537 | slot->curl_result, slot->http_code); | |
1538 | /* We should attempt recovery? */ | |
1539 | return 0; | |
1540 | } | |
1541 | } else { | |
1542 | free(out_data); | |
1543 | free(if_header); | |
58e60dd2 NH |
1544 | fprintf(stderr, "Unable to start PUT request\n"); |
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | return 1; | |
1549 | } | |
1550 | ||
1551 | int main(int argc, char **argv) | |
1552 | { | |
1553 | struct active_request_slot *slot; | |
1554 | struct active_request_slot *next_slot; | |
1555 | struct transfer_request *request; | |
1556 | struct transfer_request *next_request; | |
1557 | int nr_refspec = 0; | |
1558 | char **refspec = NULL; | |
1559 | int do_remote_update; | |
1560 | int new_branch; | |
1561 | int force_this; | |
1562 | char *local_ref; | |
1563 | unsigned char local_sha1[20]; | |
1564 | struct object *local_object = NULL; | |
1565 | char *remote_ref = NULL; | |
1566 | unsigned char remote_sha1[20]; | |
26349b2e | 1567 | struct active_lock *remote_lock; |
58e60dd2 NH |
1568 | char *remote_path = NULL; |
1569 | char *low_speed_limit; | |
1570 | char *low_speed_time; | |
1571 | int rc = 0; | |
1572 | int i; | |
1573 | ||
1574 | setup_ident(); | |
1575 | ||
1576 | remote = xmalloc(sizeof(*remote)); | |
1577 | remote->url = NULL; | |
1578 | remote->packs = NULL; | |
1579 | ||
1580 | argv++; | |
1581 | for (i = 1; i < argc; i++, argv++) { | |
1582 | char *arg = *argv; | |
1583 | ||
1584 | if (*arg == '-') { | |
1585 | if (!strcmp(arg, "--complete")) { | |
1586 | push_all = 1; | |
1587 | continue; | |
1588 | } | |
1589 | if (!strcmp(arg, "--force")) { | |
1590 | force_all = 1; | |
1591 | continue; | |
1592 | } | |
1593 | if (!strcmp(arg, "--verbose")) { | |
1594 | push_verbosely = 1; | |
1595 | continue; | |
1596 | } | |
1597 | usage(http_push_usage); | |
1598 | } | |
1599 | if (!remote->url) { | |
1600 | remote->url = arg; | |
1601 | continue; | |
1602 | } | |
1603 | refspec = argv; | |
1604 | nr_refspec = argc - i; | |
1605 | break; | |
1606 | } | |
1607 | ||
0dd276b8 NH |
1608 | memset(remote_dir_exists, 0, 256); |
1609 | ||
58e60dd2 NH |
1610 | curl_global_init(CURL_GLOBAL_ALL); |
1611 | ||
1612 | #ifdef USE_CURL_MULTI | |
1613 | { | |
1614 | char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); | |
1615 | if (http_max_requests != NULL) | |
1616 | max_requests = atoi(http_max_requests); | |
1617 | } | |
1618 | ||
1619 | curlm = curl_multi_init(); | |
1620 | if (curlm == NULL) { | |
1621 | fprintf(stderr, "Error creating curl multi handle.\n"); | |
1622 | return 1; | |
1623 | } | |
1624 | #endif | |
1625 | ||
1626 | if (getenv("GIT_SSL_NO_VERIFY")) | |
1627 | curl_ssl_verify = 0; | |
1628 | ||
1629 | ssl_cert = getenv("GIT_SSL_CERT"); | |
1630 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
1631 | ssl_key = getenv("GIT_SSL_KEY"); | |
1632 | #endif | |
1633 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
1634 | ssl_capath = getenv("GIT_SSL_CAPATH"); | |
1635 | #endif | |
1636 | ssl_cainfo = getenv("GIT_SSL_CAINFO"); | |
1637 | ||
1638 | low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT"); | |
1639 | if (low_speed_limit != NULL) | |
1640 | curl_low_speed_limit = strtol(low_speed_limit, NULL, 10); | |
1641 | low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME"); | |
1642 | if (low_speed_time != NULL) | |
1643 | curl_low_speed_time = strtol(low_speed_time, NULL, 10); | |
1644 | ||
1645 | git_config(http_options); | |
1646 | ||
1647 | if (curl_ssl_verify == -1) | |
1648 | curl_ssl_verify = 1; | |
1649 | ||
1650 | #ifdef USE_CURL_MULTI | |
1651 | if (max_requests < 1) | |
1652 | max_requests = DEFAULT_MAX_REQUESTS; | |
1653 | #endif | |
1654 | ||
1655 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1656 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1657 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1658 | default_headers = curl_slist_append(default_headers, "If:"); | |
1659 | default_headers = curl_slist_append(default_headers, | |
1660 | "Pragma: no-cache"); | |
1661 | ||
1662 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1663 | curl_default = get_curl_handle(); | |
1664 | #endif | |
1665 | ||
1666 | /* Verify DAV compliance/lock support */ | |
1667 | if (check_locking() != 0) { | |
1668 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); | |
1669 | rc = 1; | |
1670 | goto cleanup; | |
1671 | } | |
1672 | ||
1673 | /* Process each refspec */ | |
1674 | for (i = 0; i < nr_refspec; i++) { | |
1675 | char *ep; | |
1676 | force_this = 0; | |
1677 | do_remote_update = 0; | |
1678 | new_branch = 0; | |
1679 | local_ref = refspec[i]; | |
1680 | if (*local_ref == '+') { | |
1681 | force_this = 1; | |
1682 | local_ref++; | |
1683 | } | |
1684 | ep = strchr(local_ref, ':'); | |
1685 | if (ep) { | |
1686 | remote_ref = ep + 1; | |
1687 | *ep = 0; | |
1688 | } | |
1689 | else | |
1690 | remote_ref = local_ref; | |
1691 | ||
1692 | /* Lock remote branch ref */ | |
1693 | if (remote_path) | |
1694 | free(remote_path); | |
1695 | remote_path = xmalloc(strlen(remote_ref) + 12); | |
1696 | sprintf(remote_path, "refs/heads/%s", remote_ref); | |
75187c9d | 1697 | remote_lock = lock_remote(remote_path, LOCK_TIME); |
58e60dd2 NH |
1698 | if (remote_lock == NULL) { |
1699 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1700 | remote_ref); | |
1701 | rc = 1; | |
1702 | continue; | |
1703 | } | |
1704 | ||
1705 | /* Resolve local and remote refs */ | |
1706 | if (fetch_ref(remote_ref, remote_sha1) != 0) { | |
1707 | fprintf(stderr, | |
1708 | "Remote branch %s does not exist on %s\n", | |
1709 | remote_ref, remote->url); | |
1710 | new_branch = 1; | |
1711 | } | |
1712 | if (get_sha1(local_ref, local_sha1) != 0) { | |
1713 | fprintf(stderr, "Error resolving local branch %s\n", | |
1714 | local_ref); | |
1715 | rc = 1; | |
1716 | goto unlock; | |
1717 | } | |
1718 | ||
1719 | /* Find relationship between local and remote */ | |
1720 | local_object = parse_object(local_sha1); | |
1721 | if (!local_object) { | |
1722 | fprintf(stderr, "Unable to parse local object %s\n", | |
1723 | sha1_to_hex(local_sha1)); | |
1724 | rc = 1; | |
1725 | goto unlock; | |
1726 | } else if (new_branch) { | |
1727 | do_remote_update = 1; | |
1728 | } else { | |
1729 | if (!memcmp(local_sha1, remote_sha1, 20)) { | |
1730 | fprintf(stderr, | |
1731 | "* %s: same as branch '%s' of %s\n", | |
1732 | local_ref, remote_ref, remote->url); | |
1733 | } else if (is_ancestor(remote_sha1, | |
1734 | (struct commit *)local_object)) { | |
1735 | fprintf(stderr, | |
1736 | "Remote %s will fast-forward to local %s\n", | |
1737 | remote_ref, local_ref); | |
1738 | do_remote_update = 1; | |
1739 | } else if (force_all || force_this) { | |
1740 | fprintf(stderr, | |
1741 | "* %s on %s does not fast forward to local branch '%s', overwriting\n", | |
1742 | remote_ref, remote->url, local_ref); | |
1743 | do_remote_update = 1; | |
1744 | } else { | |
1745 | fprintf(stderr, | |
1746 | "* %s on %s does not fast forward to local branch '%s'\n", | |
1747 | remote_ref, remote->url, local_ref); | |
1748 | rc = 1; | |
1749 | goto unlock; | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | /* Generate and check list of required objects */ | |
1754 | pushing = 0; | |
1755 | if (do_remote_update || push_all) | |
1756 | fetch_indices(); | |
1757 | get_delta(push_all ? NULL : remote_sha1, | |
1758 | local_object, remote_lock); | |
1759 | process_waiting_requests(); | |
1760 | ||
1761 | /* Push missing objects to remote, this would be a | |
1762 | convenient time to pack them first if appropriate. */ | |
1763 | pushing = 1; | |
1764 | process_request_queue(); | |
1765 | process_waiting_requests(); | |
1766 | ||
1767 | /* Update the remote branch if all went well */ | |
1768 | if (do_remote_update) { | |
75187c9d | 1769 | if (!aborted && update_remote(local_sha1, |
58e60dd2 NH |
1770 | remote_lock)) { |
1771 | fprintf(stderr, "%s remote branch %s\n", | |
1772 | new_branch ? "Created" : "Updated", | |
1773 | remote_ref); | |
1774 | } else { | |
1775 | fprintf(stderr, | |
1776 | "Unable to %s remote branch %s\n", | |
1777 | new_branch ? "create" : "update", | |
1778 | remote_ref); | |
1779 | rc = 1; | |
1780 | goto unlock; | |
1781 | } | |
1782 | } | |
1783 | ||
1784 | unlock: | |
75187c9d | 1785 | unlock_remote(remote_lock); |
58e60dd2 | 1786 | free(remote_path); |
58e60dd2 NH |
1787 | } |
1788 | ||
1789 | cleanup: | |
1790 | free(remote); | |
1791 | ||
1792 | curl_slist_free_all(no_pragma_header); | |
1793 | curl_slist_free_all(default_headers); | |
1794 | ||
1795 | slot = active_queue_head; | |
1796 | while (slot != NULL) { | |
1797 | next_slot = slot->next; | |
1798 | if (slot->curl != NULL) | |
1799 | curl_easy_cleanup(slot->curl); | |
1800 | free(slot); | |
1801 | slot = next_slot; | |
1802 | } | |
1803 | ||
1804 | request = request_queue_head; | |
1805 | while (request != NULL) { | |
1806 | next_request = request->next; | |
1807 | release_request(request); | |
58e60dd2 NH |
1808 | request = next_request; |
1809 | } | |
1810 | ||
1811 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1812 | curl_easy_cleanup(curl_default); | |
1813 | #endif | |
1814 | #ifdef USE_CURL_MULTI | |
1815 | curl_multi_cleanup(curlm); | |
1816 | #endif | |
1817 | curl_global_cleanup(); | |
1818 | return rc; | |
1819 | } |