]>
Commit | Line | Data |
---|---|---|
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 | ||
92e2eb9c JS |
31 | #ifndef XML_STATUS_OK |
32 | enum XML_Status { | |
33 | XML_STATUS_OK = 1, | |
34 | XML_STATUS_ERROR = 0 | |
35 | }; | |
36 | #define XML_STATUS_OK 1 | |
37 | #define XML_STATUS_ERROR 0 | |
38 | #endif | |
39 | ||
58e60dd2 NH |
40 | #define RANGE_HEADER_SIZE 30 |
41 | ||
42 | /* DAV method names and request body templates */ | |
43 | #define DAV_LOCK "LOCK" | |
44 | #define DAV_MKCOL "MKCOL" | |
45 | #define DAV_MOVE "MOVE" | |
46 | #define DAV_PROPFIND "PROPFIND" | |
47 | #define DAV_PUT "PUT" | |
48 | #define DAV_UNLOCK "UNLOCK" | |
49 | #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>" | |
50 | #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>" | |
51 | ||
75187c9d NH |
52 | #define LOCK_TIME 600 |
53 | #define LOCK_REFRESH 30 | |
54 | ||
58e60dd2 NH |
55 | static int active_requests = 0; |
56 | static int data_received; | |
57 | static int pushing = 0; | |
58 | static int aborted = 0; | |
0dd276b8 | 59 | static char remote_dir_exists[256]; |
58e60dd2 NH |
60 | |
61 | #ifdef USE_CURL_MULTI | |
62 | static int max_requests = -1; | |
63 | static CURLM *curlm; | |
64 | #endif | |
65 | #ifndef NO_CURL_EASY_DUPHANDLE | |
66 | static CURL *curl_default; | |
67 | #endif | |
68 | static struct curl_slist *no_pragma_header; | |
69 | static struct curl_slist *default_headers; | |
70 | static char curl_errorstr[CURL_ERROR_SIZE]; | |
58e60dd2 NH |
71 | |
72 | static int push_verbosely = 0; | |
73 | static int push_all = 0; | |
74 | static int force_all = 0; | |
75 | ||
76 | struct buffer | |
77 | { | |
78 | size_t posn; | |
79 | size_t size; | |
80 | void *buffer; | |
81 | }; | |
82 | ||
83 | struct repo | |
84 | { | |
85 | char *url; | |
86 | struct packed_git *packs; | |
87 | }; | |
88 | ||
89 | static struct repo *remote = NULL; | |
90 | ||
91 | enum transfer_state { | |
92 | NEED_CHECK, | |
93 | RUN_HEAD, | |
94 | NEED_PUSH, | |
95 | RUN_MKCOL, | |
96 | RUN_PUT, | |
97 | RUN_MOVE, | |
98 | ABORTED, | |
99 | COMPLETE, | |
100 | }; | |
101 | ||
102 | struct transfer_request | |
103 | { | |
104 | unsigned char sha1[20]; | |
105 | char *url; | |
106 | char *dest; | |
26349b2e | 107 | struct active_lock *lock; |
58e60dd2 NH |
108 | struct curl_slist *headers; |
109 | struct buffer buffer; | |
110 | char filename[PATH_MAX]; | |
111 | char tmpfile[PATH_MAX]; | |
112 | enum transfer_state state; | |
113 | CURLcode curl_result; | |
114 | char errorstr[CURL_ERROR_SIZE]; | |
115 | long http_code; | |
116 | unsigned char real_sha1[20]; | |
117 | SHA_CTX c; | |
118 | z_stream stream; | |
119 | int zret; | |
120 | int rename; | |
121 | struct active_request_slot *slot; | |
122 | struct transfer_request *next; | |
123 | }; | |
124 | ||
125 | struct active_request_slot | |
126 | { | |
127 | CURL *curl; | |
128 | FILE *local; | |
129 | int in_use; | |
130 | int done; | |
131 | CURLcode curl_result; | |
132 | long http_code; | |
133 | struct active_request_slot *next; | |
134 | }; | |
135 | ||
136 | static struct transfer_request *request_queue_head = NULL; | |
137 | static struct active_request_slot *active_queue_head = NULL; | |
138 | ||
139 | static int curl_ssl_verify = -1; | |
140 | static char *ssl_cert = NULL; | |
141 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
142 | static char *ssl_key = NULL; | |
143 | #endif | |
144 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
145 | static char *ssl_capath = NULL; | |
146 | #endif | |
147 | static char *ssl_cainfo = NULL; | |
148 | static long curl_low_speed_limit = -1; | |
149 | static long curl_low_speed_time = -1; | |
150 | ||
26349b2e NH |
151 | struct active_lock |
152 | { | |
153 | int ctx_activelock; | |
154 | int ctx_owner; | |
155 | int ctx_owner_href; | |
156 | int ctx_timeout; | |
157 | int ctx_locktoken; | |
158 | int ctx_locktoken_href; | |
75187c9d | 159 | char *url; |
26349b2e | 160 | char *owner; |
75187c9d | 161 | char *token; |
26349b2e NH |
162 | time_t start_time; |
163 | long timeout; | |
75187c9d | 164 | int refreshing; |
26349b2e NH |
165 | }; |
166 | ||
58e60dd2 NH |
167 | struct lockprop |
168 | { | |
169 | int supported_lock; | |
170 | int lock_entry; | |
171 | int lock_scope; | |
172 | int lock_type; | |
173 | int lock_exclusive; | |
174 | int lock_exclusive_write; | |
175 | }; | |
176 | ||
177 | static int http_options(const char *var, const char *value) | |
178 | { | |
179 | if (!strcmp("http.sslverify", var)) { | |
180 | if (curl_ssl_verify == -1) { | |
181 | curl_ssl_verify = git_config_bool(var, value); | |
182 | } | |
183 | return 0; | |
184 | } | |
185 | ||
186 | if (!strcmp("http.sslcert", var)) { | |
187 | if (ssl_cert == NULL) { | |
188 | ssl_cert = xmalloc(strlen(value)+1); | |
189 | strcpy(ssl_cert, value); | |
190 | } | |
191 | return 0; | |
192 | } | |
193 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
194 | if (!strcmp("http.sslkey", var)) { | |
195 | if (ssl_key == NULL) { | |
196 | ssl_key = xmalloc(strlen(value)+1); | |
197 | strcpy(ssl_key, value); | |
198 | } | |
199 | return 0; | |
200 | } | |
201 | #endif | |
202 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
203 | if (!strcmp("http.sslcapath", var)) { | |
204 | if (ssl_capath == NULL) { | |
205 | ssl_capath = xmalloc(strlen(value)+1); | |
206 | strcpy(ssl_capath, value); | |
207 | } | |
208 | return 0; | |
209 | } | |
210 | #endif | |
211 | if (!strcmp("http.sslcainfo", var)) { | |
212 | if (ssl_cainfo == NULL) { | |
213 | ssl_cainfo = xmalloc(strlen(value)+1); | |
214 | strcpy(ssl_cainfo, value); | |
215 | } | |
216 | return 0; | |
217 | } | |
218 | ||
219 | #ifdef USE_CURL_MULTI | |
220 | if (!strcmp("http.maxrequests", var)) { | |
221 | if (max_requests == -1) | |
222 | max_requests = git_config_int(var, value); | |
223 | return 0; | |
224 | } | |
225 | #endif | |
226 | ||
227 | if (!strcmp("http.lowspeedlimit", var)) { | |
228 | if (curl_low_speed_limit == -1) | |
229 | curl_low_speed_limit = (long)git_config_int(var, value); | |
230 | return 0; | |
231 | } | |
232 | if (!strcmp("http.lowspeedtime", var)) { | |
233 | if (curl_low_speed_time == -1) | |
234 | curl_low_speed_time = (long)git_config_int(var, value); | |
235 | return 0; | |
236 | } | |
237 | ||
238 | /* Fall back on the default ones */ | |
239 | return git_default_config(var, value); | |
240 | } | |
241 | ||
242 | static size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
243 | struct buffer *buffer) | |
244 | { | |
245 | size_t size = eltsize * nmemb; | |
246 | if (size > buffer->size - buffer->posn) | |
247 | size = buffer->size - buffer->posn; | |
248 | memcpy(ptr, buffer->buffer + buffer->posn, size); | |
249 | buffer->posn += size; | |
250 | return size; | |
251 | } | |
252 | ||
253 | static size_t fwrite_buffer_dynamic(const void *ptr, size_t eltsize, | |
254 | size_t nmemb, struct buffer *buffer) | |
255 | { | |
256 | size_t size = eltsize * nmemb; | |
257 | if (size > buffer->size - buffer->posn) { | |
258 | buffer->size = buffer->size * 3 / 2; | |
259 | if (buffer->size < buffer->posn + size) | |
260 | buffer->size = buffer->posn + size; | |
261 | buffer->buffer = xrealloc(buffer->buffer, buffer->size); | |
262 | } | |
263 | memcpy(buffer->buffer + buffer->posn, ptr, size); | |
264 | buffer->posn += size; | |
265 | data_received++; | |
266 | return size; | |
267 | } | |
268 | ||
269 | static size_t fwrite_null(const void *ptr, size_t eltsize, | |
270 | size_t nmemb, struct buffer *buffer) | |
271 | { | |
272 | data_received++; | |
273 | return eltsize * nmemb; | |
274 | } | |
275 | ||
276 | #ifdef USE_CURL_MULTI | |
277 | static void process_curl_messages(void); | |
278 | static void process_request_queue(void); | |
279 | #endif | |
280 | ||
281 | static CURL* get_curl_handle(void) | |
282 | { | |
283 | CURL* result = curl_easy_init(); | |
284 | ||
285 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify); | |
286 | #if LIBCURL_VERSION_NUM >= 0x070907 | |
287 | curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL); | |
288 | #endif | |
289 | ||
290 | if (ssl_cert != NULL) | |
291 | curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); | |
292 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
293 | if (ssl_key != NULL) | |
294 | curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key); | |
295 | #endif | |
296 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
297 | if (ssl_capath != NULL) | |
298 | curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath); | |
299 | #endif | |
300 | if (ssl_cainfo != NULL) | |
301 | curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo); | |
302 | curl_easy_setopt(result, CURLOPT_FAILONERROR, 1); | |
303 | ||
304 | if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) { | |
305 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT, | |
306 | curl_low_speed_limit); | |
307 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME, | |
308 | curl_low_speed_time); | |
309 | } | |
310 | ||
311 | return result; | |
312 | } | |
313 | ||
314 | static struct active_request_slot *get_active_slot(void) | |
315 | { | |
316 | struct active_request_slot *slot = active_queue_head; | |
317 | struct active_request_slot *newslot; | |
318 | ||
319 | #ifdef USE_CURL_MULTI | |
320 | int num_transfers; | |
321 | ||
322 | /* Wait for a slot to open up if the queue is full */ | |
323 | while (active_requests >= max_requests) { | |
324 | curl_multi_perform(curlm, &num_transfers); | |
325 | if (num_transfers < active_requests) { | |
326 | process_curl_messages(); | |
327 | } | |
328 | } | |
329 | #endif | |
330 | ||
331 | while (slot != NULL && slot->in_use) { | |
332 | slot = slot->next; | |
333 | } | |
334 | if (slot == NULL) { | |
335 | newslot = xmalloc(sizeof(*newslot)); | |
336 | newslot->curl = NULL; | |
337 | newslot->in_use = 0; | |
338 | newslot->next = NULL; | |
339 | ||
340 | slot = active_queue_head; | |
341 | if (slot == NULL) { | |
342 | active_queue_head = newslot; | |
343 | } else { | |
344 | while (slot->next != NULL) { | |
345 | slot = slot->next; | |
346 | } | |
347 | slot->next = newslot; | |
348 | } | |
349 | slot = newslot; | |
350 | } | |
351 | ||
352 | if (slot->curl == NULL) { | |
353 | #ifdef NO_CURL_EASY_DUPHANDLE | |
354 | slot->curl = get_curl_handle(); | |
355 | #else | |
356 | slot->curl = curl_easy_duphandle(curl_default); | |
357 | #endif | |
358 | } | |
359 | ||
360 | active_requests++; | |
361 | slot->in_use = 1; | |
362 | slot->done = 0; | |
363 | slot->local = NULL; | |
364 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, default_headers); | |
365 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr); | |
366 | ||
367 | return slot; | |
368 | } | |
369 | ||
370 | static int start_active_slot(struct active_request_slot *slot) | |
371 | { | |
372 | #ifdef USE_CURL_MULTI | |
373 | CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl); | |
374 | ||
375 | if (curlm_result != CURLM_OK && | |
376 | curlm_result != CURLM_CALL_MULTI_PERFORM) { | |
377 | active_requests--; | |
378 | slot->in_use = 0; | |
379 | return 0; | |
380 | } | |
381 | #endif | |
382 | return 1; | |
383 | } | |
384 | ||
385 | static void run_active_slot(struct active_request_slot *slot) | |
386 | { | |
387 | #ifdef USE_CURL_MULTI | |
388 | int num_transfers; | |
389 | long last_pos = 0; | |
390 | long current_pos; | |
391 | fd_set readfds; | |
392 | fd_set writefds; | |
393 | fd_set excfds; | |
394 | int max_fd; | |
395 | struct timeval select_timeout; | |
396 | CURLMcode curlm_result; | |
397 | ||
398 | while (!slot->done) { | |
399 | data_received = 0; | |
400 | do { | |
401 | curlm_result = curl_multi_perform(curlm, | |
402 | &num_transfers); | |
403 | } while (curlm_result == CURLM_CALL_MULTI_PERFORM); | |
404 | if (num_transfers < active_requests) { | |
405 | process_curl_messages(); | |
406 | process_request_queue(); | |
407 | } | |
408 | ||
409 | if (!data_received && slot->local != NULL) { | |
410 | current_pos = ftell(slot->local); | |
411 | if (current_pos > last_pos) | |
412 | data_received++; | |
413 | last_pos = current_pos; | |
414 | } | |
415 | ||
416 | if (!slot->done && !data_received) { | |
417 | max_fd = 0; | |
418 | FD_ZERO(&readfds); | |
419 | FD_ZERO(&writefds); | |
420 | FD_ZERO(&excfds); | |
421 | select_timeout.tv_sec = 0; | |
422 | select_timeout.tv_usec = 50000; | |
423 | select(max_fd, &readfds, &writefds, | |
424 | &excfds, &select_timeout); | |
425 | } | |
426 | } | |
427 | #else | |
428 | slot->curl_result = curl_easy_perform(slot->curl); | |
429 | active_requests--; | |
430 | #endif | |
431 | } | |
432 | ||
433 | static void start_check(struct transfer_request *request) | |
434 | { | |
435 | char *hex = sha1_to_hex(request->sha1); | |
436 | struct active_request_slot *slot; | |
437 | char *posn; | |
438 | ||
439 | request->url = xmalloc(strlen(remote->url) + 55); | |
440 | strcpy(request->url, remote->url); | |
441 | posn = request->url + strlen(remote->url); | |
442 | strcpy(posn, "objects/"); | |
443 | posn += 8; | |
444 | memcpy(posn, hex, 2); | |
445 | posn += 2; | |
446 | *(posn++) = '/'; | |
447 | strcpy(posn, hex + 2); | |
448 | ||
449 | slot = get_active_slot(); | |
450 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
451 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
452 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
453 | ||
454 | if (start_active_slot(slot)) { | |
455 | request->slot = slot; | |
456 | request->state = RUN_HEAD; | |
457 | } else { | |
458 | request->state = ABORTED; | |
459 | free(request->url); | |
460 | } | |
461 | } | |
462 | ||
463 | static void start_mkcol(struct transfer_request *request) | |
464 | { | |
465 | char *hex = sha1_to_hex(request->sha1); | |
466 | struct active_request_slot *slot; | |
467 | char *posn; | |
468 | ||
469 | request->url = xmalloc(strlen(remote->url) + 13); | |
470 | strcpy(request->url, remote->url); | |
471 | posn = request->url + strlen(remote->url); | |
472 | strcpy(posn, "objects/"); | |
473 | posn += 8; | |
474 | memcpy(posn, hex, 2); | |
475 | posn += 2; | |
476 | strcpy(posn, "/"); | |
477 | ||
478 | slot = get_active_slot(); | |
479 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
480 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
481 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
482 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
483 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
484 | ||
485 | if (start_active_slot(slot)) { | |
486 | request->slot = slot; | |
487 | request->state = RUN_MKCOL; | |
488 | } else { | |
489 | request->state = ABORTED; | |
490 | free(request->url); | |
491 | } | |
492 | } | |
493 | ||
494 | static void start_put(struct transfer_request *request) | |
495 | { | |
496 | char *hex = sha1_to_hex(request->sha1); | |
497 | struct active_request_slot *slot; | |
498 | char *posn; | |
499 | char type[20]; | |
500 | char hdr[50]; | |
501 | void *unpacked; | |
502 | unsigned long len; | |
503 | int hdrlen; | |
504 | ssize_t size; | |
505 | z_stream stream; | |
506 | ||
507 | unpacked = read_sha1_file(request->sha1, type, &len); | |
508 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; | |
509 | ||
510 | /* Set it up */ | |
511 | memset(&stream, 0, sizeof(stream)); | |
512 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
513 | size = deflateBound(&stream, len + hdrlen); | |
514 | request->buffer.buffer = xmalloc(size); | |
515 | ||
516 | /* Compress it */ | |
517 | stream.next_out = request->buffer.buffer; | |
518 | stream.avail_out = size; | |
519 | ||
520 | /* First header.. */ | |
521 | stream.next_in = (void *)hdr; | |
522 | stream.avail_in = hdrlen; | |
523 | while (deflate(&stream, 0) == Z_OK) | |
524 | /* nothing */; | |
525 | ||
526 | /* Then the data itself.. */ | |
527 | stream.next_in = unpacked; | |
528 | stream.avail_in = len; | |
529 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
530 | /* nothing */; | |
531 | deflateEnd(&stream); | |
532 | free(unpacked); | |
533 | ||
534 | request->buffer.size = stream.total_out; | |
535 | request->buffer.posn = 0; | |
536 | ||
537 | if (request->url != NULL) | |
538 | free(request->url); | |
539 | request->url = xmalloc(strlen(remote->url) + | |
26349b2e | 540 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
541 | strcpy(request->url, remote->url); |
542 | posn = request->url + strlen(remote->url); | |
543 | strcpy(posn, "objects/"); | |
544 | posn += 8; | |
545 | memcpy(posn, hex, 2); | |
546 | posn += 2; | |
547 | *(posn++) = '/'; | |
548 | strcpy(posn, hex + 2); | |
549 | request->dest = xmalloc(strlen(request->url) + 14); | |
550 | sprintf(request->dest, "Destination: %s", request->url); | |
551 | posn += 38; | |
552 | *(posn++) = '.'; | |
26349b2e | 553 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
554 | |
555 | slot = get_active_slot(); | |
556 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); | |
557 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
558 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
559 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
560 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
561 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
562 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
563 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
564 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
565 | ||
566 | if (start_active_slot(slot)) { | |
567 | request->slot = slot; | |
568 | request->state = RUN_PUT; | |
569 | } else { | |
570 | request->state = ABORTED; | |
571 | free(request->url); | |
572 | } | |
573 | } | |
574 | ||
575 | static void start_move(struct transfer_request *request) | |
576 | { | |
577 | struct active_request_slot *slot; | |
578 | struct curl_slist *dav_headers = NULL; | |
579 | ||
580 | slot = get_active_slot(); | |
581 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ | |
582 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
583 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
584 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
585 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
586 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
587 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
588 | ||
589 | if (start_active_slot(slot)) { | |
590 | request->slot = slot; | |
591 | request->state = RUN_MOVE; | |
592 | } else { | |
593 | request->state = ABORTED; | |
594 | free(request->url); | |
595 | } | |
596 | } | |
597 | ||
f4f440a0 | 598 | static int refresh_lock(struct active_lock *lock) |
75187c9d NH |
599 | { |
600 | struct active_request_slot *slot; | |
601 | char *if_header; | |
602 | char timeout_header[25]; | |
603 | struct curl_slist *dav_headers = NULL; | |
604 | int rc = 0; | |
605 | ||
606 | lock->refreshing = 1; | |
607 | ||
608 | if_header = xmalloc(strlen(lock->token) + 25); | |
609 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
610 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
611 | dav_headers = curl_slist_append(dav_headers, if_header); | |
612 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
613 | ||
614 | slot = get_active_slot(); | |
615 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
616 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
617 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
618 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
619 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
620 | ||
621 | if (start_active_slot(slot)) { | |
622 | run_active_slot(slot); | |
623 | if (slot->curl_result != CURLE_OK) { | |
624 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
625 | } else { | |
626 | lock->start_time = time(NULL); | |
627 | rc = 1; | |
628 | } | |
629 | } | |
630 | ||
631 | lock->refreshing = 0; | |
632 | curl_slist_free_all(dav_headers); | |
633 | free(if_header); | |
634 | ||
635 | return rc; | |
636 | } | |
637 | ||
58e60dd2 NH |
638 | static void finish_request(struct transfer_request *request) |
639 | { | |
75187c9d NH |
640 | time_t current_time = time(NULL); |
641 | int time_remaining; | |
642 | ||
58e60dd2 NH |
643 | request->curl_result = request->slot->curl_result; |
644 | request->http_code = request->slot->http_code; | |
645 | request->slot = NULL; | |
75187c9d NH |
646 | |
647 | /* Refresh the lock if it is close to timing out */ | |
648 | time_remaining = request->lock->start_time + request->lock->timeout | |
649 | - current_time; | |
650 | if (time_remaining < LOCK_REFRESH && !request->lock->refreshing) { | |
651 | if (!refresh_lock(request->lock)) { | |
652 | fprintf(stderr, "Unable to refresh remote lock\n"); | |
653 | aborted = 1; | |
654 | } | |
655 | } | |
656 | ||
58e60dd2 NH |
657 | if (request->headers != NULL) |
658 | curl_slist_free_all(request->headers); | |
659 | if (request->state == RUN_HEAD) { | |
660 | if (request->http_code == 404) { | |
661 | request->state = NEED_PUSH; | |
662 | } else if (request->curl_result == CURLE_OK) { | |
0dd276b8 | 663 | remote_dir_exists[request->sha1[0]] = 1; |
58e60dd2 NH |
664 | request->state = COMPLETE; |
665 | } else { | |
666 | fprintf(stderr, "HEAD %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_MKCOL) { | |
673 | if (request->curl_result == CURLE_OK || | |
674 | request->http_code == 405) { | |
0dd276b8 | 675 | remote_dir_exists[request->sha1[0]] = 1; |
58e60dd2 NH |
676 | start_put(request); |
677 | } else { | |
678 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
679 | sha1_to_hex(request->sha1), | |
680 | request->curl_result, request->http_code); | |
681 | request->state = ABORTED; | |
682 | aborted = 1; | |
683 | } | |
684 | } else if (request->state == RUN_PUT) { | |
685 | if (request->curl_result == CURLE_OK) { | |
686 | start_move(request); | |
687 | } else { | |
688 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
689 | sha1_to_hex(request->sha1), | |
690 | request->curl_result, request->http_code); | |
691 | request->state = ABORTED; | |
692 | aborted = 1; | |
693 | } | |
694 | } else if (request->state == RUN_MOVE) { | |
695 | if (request->curl_result == CURLE_OK) { | |
696 | if (push_verbosely) | |
697 | fprintf(stderr, | |
698 | "sent %s\n", | |
699 | sha1_to_hex(request->sha1)); | |
700 | request->state = COMPLETE; | |
701 | } else { | |
702 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
703 | sha1_to_hex(request->sha1), | |
704 | request->curl_result, request->http_code); | |
705 | request->state = ABORTED; | |
706 | aborted = 1; | |
707 | } | |
708 | } | |
709 | } | |
710 | ||
711 | static void release_request(struct transfer_request *request) | |
712 | { | |
713 | struct transfer_request *entry = request_queue_head; | |
714 | ||
715 | if (request == request_queue_head) { | |
716 | request_queue_head = request->next; | |
717 | } else { | |
718 | while (entry->next != NULL && entry->next != request) | |
719 | entry = entry->next; | |
720 | if (entry->next == request) | |
721 | entry->next = entry->next->next; | |
722 | } | |
723 | ||
724 | free(request->url); | |
725 | free(request); | |
726 | } | |
727 | ||
728 | #ifdef USE_CURL_MULTI | |
f4f440a0 | 729 | static void process_curl_messages(void) |
58e60dd2 NH |
730 | { |
731 | int num_messages; | |
732 | struct active_request_slot *slot; | |
733 | struct transfer_request *request = NULL; | |
734 | CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages); | |
735 | ||
736 | while (curl_message != NULL) { | |
737 | if (curl_message->msg == CURLMSG_DONE) { | |
738 | slot = active_queue_head; | |
739 | while (slot != NULL && | |
740 | slot->curl != curl_message->easy_handle) | |
741 | slot = slot->next; | |
742 | if (slot != NULL) { | |
92e2eb9c | 743 | int curl_result = curl_message->data.result; |
58e60dd2 NH |
744 | curl_multi_remove_handle(curlm, slot->curl); |
745 | active_requests--; | |
746 | slot->done = 1; | |
747 | slot->in_use = 0; | |
92e2eb9c | 748 | slot->curl_result = curl_result; |
58e60dd2 NH |
749 | curl_easy_getinfo(slot->curl, |
750 | CURLINFO_HTTP_CODE, | |
751 | &slot->http_code); | |
752 | request = request_queue_head; | |
753 | while (request != NULL && | |
754 | request->slot != slot) | |
755 | request = request->next; | |
756 | if (request != NULL) | |
757 | finish_request(request); | |
758 | } else { | |
759 | fprintf(stderr, "Received DONE message for unknown request!\n"); | |
760 | } | |
761 | } else { | |
762 | fprintf(stderr, "Unknown CURL message received: %d\n", | |
763 | (int)curl_message->msg); | |
764 | } | |
765 | curl_message = curl_multi_info_read(curlm, &num_messages); | |
766 | } | |
767 | } | |
768 | ||
f4f440a0 | 769 | static void process_request_queue(void) |
58e60dd2 NH |
770 | { |
771 | struct transfer_request *request = request_queue_head; | |
772 | struct active_request_slot *slot = active_queue_head; | |
773 | int num_transfers; | |
774 | ||
775 | if (aborted) | |
776 | return; | |
777 | ||
778 | while (active_requests < max_requests && request != NULL) { | |
779 | if (!pushing && request->state == NEED_CHECK) { | |
780 | start_check(request); | |
781 | curl_multi_perform(curlm, &num_transfers); | |
782 | } else if (pushing && request->state == NEED_PUSH) { | |
0dd276b8 NH |
783 | if (remote_dir_exists[request->sha1[0]]) |
784 | start_put(request); | |
785 | else | |
786 | start_mkcol(request); | |
58e60dd2 NH |
787 | curl_multi_perform(curlm, &num_transfers); |
788 | } | |
789 | request = request->next; | |
790 | } | |
791 | ||
792 | while (slot != NULL) { | |
793 | if (!slot->in_use && slot->curl != NULL) { | |
794 | curl_easy_cleanup(slot->curl); | |
795 | slot->curl = NULL; | |
796 | } | |
797 | slot = slot->next; | |
798 | } | |
799 | } | |
800 | #endif | |
801 | ||
f4f440a0 | 802 | static void process_waiting_requests(void) |
58e60dd2 NH |
803 | { |
804 | struct active_request_slot *slot = active_queue_head; | |
805 | ||
806 | while (slot != NULL) | |
807 | if (slot->in_use) { | |
808 | run_active_slot(slot); | |
809 | slot = active_queue_head; | |
810 | } else { | |
811 | slot = slot->next; | |
812 | } | |
813 | } | |
814 | ||
f4f440a0 | 815 | static void add_request(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
816 | { |
817 | struct transfer_request *request = request_queue_head; | |
58e60dd2 NH |
818 | struct packed_git *target; |
819 | ||
820 | while (request != NULL && memcmp(request->sha1, sha1, 20)) | |
821 | request = request->next; | |
822 | if (request != NULL) | |
823 | return; | |
824 | ||
825 | target = find_sha1_pack(sha1, remote->packs); | |
826 | if (target) | |
827 | return; | |
828 | ||
829 | request = xmalloc(sizeof(*request)); | |
830 | memcpy(request->sha1, sha1, 20); | |
831 | request->url = NULL; | |
26349b2e | 832 | request->lock = lock; |
58e60dd2 NH |
833 | request->headers = NULL; |
834 | request->state = NEED_CHECK; | |
c17fb6ee NH |
835 | request->next = request_queue_head; |
836 | request_queue_head = request; | |
58e60dd2 NH |
837 | #ifdef USE_CURL_MULTI |
838 | process_request_queue(); | |
839 | process_curl_messages(); | |
840 | #endif | |
841 | } | |
842 | ||
843 | static int fetch_index(unsigned char *sha1) | |
844 | { | |
845 | char *hex = sha1_to_hex(sha1); | |
846 | char *filename; | |
847 | char *url; | |
848 | char tmpfile[PATH_MAX]; | |
849 | long prev_posn = 0; | |
850 | char range[RANGE_HEADER_SIZE]; | |
851 | struct curl_slist *range_header = NULL; | |
852 | ||
853 | FILE *indexfile; | |
854 | struct active_request_slot *slot; | |
855 | ||
c17fb6ee NH |
856 | /* Don't use the index if the pack isn't there */ |
857 | url = xmalloc(strlen(remote->url) + 65); | |
858 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
859 | slot = get_active_slot(); | |
860 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
861 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
862 | if (start_active_slot(slot)) { | |
863 | run_active_slot(slot); | |
864 | if (slot->curl_result != CURLE_OK) { | |
865 | free(url); | |
866 | return error("Unable to verify pack %s is available", | |
867 | hex); | |
868 | } | |
869 | } else { | |
870 | return error("Unable to start request"); | |
871 | } | |
872 | ||
58e60dd2 NH |
873 | if (has_pack_index(sha1)) |
874 | return 0; | |
875 | ||
876 | if (push_verbosely) | |
877 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
878 | ||
58e60dd2 NH |
879 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
880 | ||
881 | filename = sha1_pack_index_name(sha1); | |
882 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
883 | indexfile = fopen(tmpfile, "a"); | |
884 | if (!indexfile) | |
885 | return error("Unable to open local file %s for pack index", | |
886 | filename); | |
887 | ||
888 | slot = get_active_slot(); | |
c17fb6ee NH |
889 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
890 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
891 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
892 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
893 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
894 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
895 | slot->local = indexfile; | |
896 | ||
897 | /* If there is data present from a previous transfer attempt, | |
898 | resume where it left off */ | |
899 | prev_posn = ftell(indexfile); | |
900 | if (prev_posn>0) { | |
901 | if (push_verbosely) | |
902 | fprintf(stderr, | |
903 | "Resuming fetch of index for pack %s at byte %ld\n", | |
904 | hex, prev_posn); | |
905 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
906 | range_header = curl_slist_append(range_header, range); | |
907 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
908 | } | |
909 | ||
910 | if (start_active_slot(slot)) { | |
911 | run_active_slot(slot); | |
912 | if (slot->curl_result != CURLE_OK) { | |
913 | free(url); | |
914 | fclose(indexfile); | |
915 | return error("Unable to get pack index %s\n%s", url, | |
916 | curl_errorstr); | |
917 | } | |
918 | } else { | |
919 | free(url); | |
920 | return error("Unable to start request"); | |
921 | } | |
922 | ||
923 | free(url); | |
924 | fclose(indexfile); | |
925 | ||
926 | return move_temp_to_file(tmpfile, filename); | |
927 | } | |
928 | ||
929 | static int setup_index(unsigned char *sha1) | |
930 | { | |
931 | struct packed_git *new_pack; | |
58e60dd2 NH |
932 | |
933 | if (fetch_index(sha1)) | |
934 | return -1; | |
935 | ||
936 | new_pack = parse_pack_index(sha1); | |
937 | new_pack->next = remote->packs; | |
938 | remote->packs = new_pack; | |
939 | return 0; | |
940 | } | |
941 | ||
f4f440a0 | 942 | static int fetch_indices(void) |
58e60dd2 NH |
943 | { |
944 | unsigned char sha1[20]; | |
945 | char *url; | |
946 | struct buffer buffer; | |
947 | char *data; | |
948 | int i = 0; | |
949 | ||
950 | struct active_request_slot *slot; | |
951 | ||
952 | data = xmalloc(4096); | |
953 | memset(data, 0, 4096); | |
954 | buffer.size = 4096; | |
955 | buffer.posn = 0; | |
956 | buffer.buffer = data; | |
957 | ||
958 | if (push_verbosely) | |
959 | fprintf(stderr, "Getting pack list\n"); | |
960 | ||
961 | url = xmalloc(strlen(remote->url) + 21); | |
962 | sprintf(url, "%s/objects/info/packs", remote->url); | |
963 | ||
964 | slot = get_active_slot(); | |
965 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
966 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
967 | fwrite_buffer_dynamic); | |
968 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
969 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
970 | if (start_active_slot(slot)) { | |
971 | run_active_slot(slot); | |
972 | if (slot->curl_result != CURLE_OK) { | |
973 | free(buffer.buffer); | |
974 | free(url); | |
975 | if (slot->http_code == 404) | |
976 | return 0; | |
977 | else | |
978 | return error("%s", curl_errorstr); | |
979 | } | |
980 | } else { | |
981 | free(buffer.buffer); | |
982 | free(url); | |
983 | return error("Unable to start request"); | |
984 | } | |
985 | free(url); | |
986 | ||
987 | data = buffer.buffer; | |
988 | while (i < buffer.posn) { | |
989 | switch (data[i]) { | |
990 | case 'P': | |
991 | i++; | |
992 | if (i + 52 < buffer.posn && | |
993 | !strncmp(data + i, " pack-", 6) && | |
994 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
995 | get_sha1_hex(data + i + 6, sha1); | |
996 | setup_index(sha1); | |
997 | i += 51; | |
998 | break; | |
999 | } | |
1000 | default: | |
1001 | while (data[i] != '\n') | |
1002 | i++; | |
1003 | } | |
1004 | i++; | |
1005 | } | |
1006 | ||
1007 | free(buffer.buffer); | |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | static inline int needs_quote(int ch) | |
1012 | { | |
1013 | switch (ch) { | |
1014 | case '/': case '-': case '.': | |
1015 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
1016 | return 0; | |
1017 | default: | |
1018 | return 1; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | static inline int hex(int v) | |
1023 | { | |
1024 | if (v < 10) return '0' + v; | |
1025 | else return 'A' + v - 10; | |
1026 | } | |
1027 | ||
1028 | static char *quote_ref_url(const char *base, const char *ref) | |
1029 | { | |
1030 | const char *cp; | |
1031 | char *dp, *qref; | |
1032 | int len, baselen, ch; | |
1033 | ||
1034 | baselen = strlen(base); | |
1035 | len = baselen + 12; /* "refs/heads/" + NUL */ | |
1036 | for (cp = ref; (ch = *cp) != 0; cp++, len++) | |
1037 | if (needs_quote(ch)) | |
1038 | len += 2; /* extra two hex plus replacement % */ | |
1039 | qref = xmalloc(len); | |
1040 | memcpy(qref, base, baselen); | |
1041 | memcpy(qref + baselen, "refs/heads/", 11); | |
1042 | for (cp = ref, dp = qref + baselen + 11; (ch = *cp) != 0; cp++) { | |
1043 | if (needs_quote(ch)) { | |
1044 | *dp++ = '%'; | |
1045 | *dp++ = hex((ch >> 4) & 0xF); | |
1046 | *dp++ = hex(ch & 0xF); | |
1047 | } | |
1048 | else | |
1049 | *dp++ = ch; | |
1050 | } | |
1051 | *dp = 0; | |
1052 | ||
1053 | return qref; | |
1054 | } | |
1055 | ||
1056 | int fetch_ref(char *ref, unsigned char *sha1) | |
1057 | { | |
1058 | char *url; | |
1059 | char hex[42]; | |
1060 | struct buffer buffer; | |
1061 | char *base = remote->url; | |
1062 | struct active_request_slot *slot; | |
1063 | buffer.size = 41; | |
1064 | buffer.posn = 0; | |
1065 | buffer.buffer = hex; | |
1066 | hex[41] = '\0'; | |
1067 | ||
1068 | url = quote_ref_url(base, ref); | |
1069 | slot = get_active_slot(); | |
1070 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
1071 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1072 | fwrite_buffer_dynamic); | |
1073 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1074 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1075 | if (start_active_slot(slot)) { | |
1076 | run_active_slot(slot); | |
1077 | if (slot->curl_result != CURLE_OK) | |
1078 | return error("Couldn't get %s for %s\n%s", | |
1079 | url, ref, curl_errorstr); | |
1080 | } else { | |
1081 | return error("Unable to start request"); | |
1082 | } | |
1083 | ||
1084 | hex[40] = '\0'; | |
1085 | get_sha1_hex(hex, sha1); | |
1086 | return 0; | |
1087 | } | |
1088 | ||
26349b2e NH |
1089 | static void |
1090 | start_activelock_element(void *userData, const char *name, const char **atts) | |
1091 | { | |
1092 | struct active_lock *lock = (struct active_lock *)userData; | |
1093 | ||
1094 | if (lock->ctx_activelock && !strcmp(name, "D:timeout")) | |
1095 | lock->ctx_timeout = 1; | |
1096 | else if (lock->ctx_owner && strstr(name, "href")) | |
1097 | lock->ctx_owner_href = 1; | |
1098 | else if (lock->ctx_activelock && strstr(name, "owner")) | |
1099 | lock->ctx_owner = 1; | |
1100 | else if (lock->ctx_locktoken && !strcmp(name, "D:href")) | |
1101 | lock->ctx_locktoken_href = 1; | |
1102 | else if (lock->ctx_activelock && !strcmp(name, "D:locktoken")) | |
1103 | lock->ctx_locktoken = 1; | |
1104 | else if (!strcmp(name, "D:activelock")) | |
1105 | lock->ctx_activelock = 1; | |
1106 | } | |
1107 | ||
1108 | static void | |
1109 | end_activelock_element(void *userData, const char *name) | |
1110 | { | |
1111 | struct active_lock *lock = (struct active_lock *)userData; | |
1112 | ||
1113 | if (lock->ctx_timeout && !strcmp(name, "D:timeout")) { | |
1114 | lock->ctx_timeout = 0; | |
1115 | } else if (lock->ctx_owner_href && strstr(name, "href")) { | |
1116 | lock->ctx_owner_href = 0; | |
1117 | } else if (lock->ctx_owner && strstr(name, "owner")) { | |
1118 | lock->ctx_owner = 0; | |
1119 | } else if (lock->ctx_locktoken_href && !strcmp(name, "D:href")) { | |
1120 | lock->ctx_locktoken_href = 0; | |
1121 | } else if (lock->ctx_locktoken && !strcmp(name, "D:locktoken")) { | |
1122 | lock->ctx_locktoken = 0; | |
1123 | } else if (lock->ctx_activelock && !strcmp(name, "D:activelock")) { | |
1124 | lock->ctx_activelock = 0; | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | static void | |
1129 | activelock_cdata(void *userData, const XML_Char *s, int len) | |
1130 | { | |
1131 | struct active_lock *lock = (struct active_lock *)userData; | |
1132 | char *this = malloc(len+1); | |
1133 | strncpy(this, s, len); | |
1134 | ||
1135 | if (lock->ctx_owner_href) { | |
1136 | lock->owner = malloc(len+1); | |
1137 | strcpy(lock->owner, this); | |
1138 | } else if (lock->ctx_locktoken_href) { | |
1139 | if (!strncmp(this, "opaquelocktoken:", 16)) { | |
1140 | lock->token = malloc(len-15); | |
1141 | strcpy(lock->token, this+16); | |
1142 | } | |
1143 | } else if (lock->ctx_timeout) { | |
1144 | if (!strncmp(this, "Second-", 7)) | |
1145 | lock->timeout = strtol(this+7, NULL, 10); | |
1146 | } | |
1147 | ||
1148 | free(this); | |
1149 | } | |
1150 | ||
58e60dd2 NH |
1151 | static void |
1152 | start_lockprop_element(void *userData, const char *name, const char **atts) | |
1153 | { | |
1154 | struct lockprop *prop = (struct lockprop *)userData; | |
1155 | ||
1156 | if (prop->lock_type && !strcmp(name, "D:write")) { | |
1157 | if (prop->lock_exclusive) { | |
1158 | prop->lock_exclusive_write = 1; | |
1159 | } | |
1160 | } else if (prop->lock_scope && !strcmp(name, "D:exclusive")) { | |
1161 | prop->lock_exclusive = 1; | |
1162 | } else if (prop->lock_entry) { | |
1163 | if (!strcmp(name, "D:lockscope")) { | |
1164 | prop->lock_scope = 1; | |
1165 | } else if (!strcmp(name, "D:locktype")) { | |
1166 | prop->lock_type = 1; | |
1167 | } | |
1168 | } else if (prop->supported_lock) { | |
1169 | if (!strcmp(name, "D:lockentry")) { | |
1170 | prop->lock_entry = 1; | |
1171 | } | |
1172 | } else if (!strcmp(name, "D:supportedlock")) { | |
1173 | prop->supported_lock = 1; | |
1174 | } | |
1175 | } | |
1176 | ||
1177 | static void | |
1178 | end_lockprop_element(void *userData, const char *name) | |
1179 | { | |
1180 | struct lockprop *prop = (struct lockprop *)userData; | |
1181 | ||
1182 | if (!strcmp(name, "D:lockentry")) { | |
1183 | prop->lock_entry = 0; | |
1184 | prop->lock_scope = 0; | |
1185 | prop->lock_type = 0; | |
1186 | prop->lock_exclusive = 0; | |
1187 | } else if (!strcmp(name, "D:supportedlock")) { | |
1188 | prop->supported_lock = 0; | |
1189 | } | |
1190 | } | |
1191 | ||
f4f440a0 | 1192 | static struct active_lock *lock_remote(char *file, long timeout) |
58e60dd2 NH |
1193 | { |
1194 | struct active_request_slot *slot; | |
1195 | struct buffer out_buffer; | |
26349b2e | 1196 | struct buffer in_buffer; |
58e60dd2 | 1197 | char *out_data; |
26349b2e | 1198 | char *in_data; |
58e60dd2 | 1199 | char *url; |
0772b9a6 | 1200 | char *ep; |
58e60dd2 | 1201 | char timeout_header[25]; |
26349b2e NH |
1202 | struct active_lock *new_lock; |
1203 | XML_Parser parser = XML_ParserCreate(NULL); | |
1204 | enum XML_Status result; | |
58e60dd2 NH |
1205 | struct curl_slist *dav_headers = NULL; |
1206 | ||
0772b9a6 NH |
1207 | url = xmalloc(strlen(remote->url) + strlen(file) + 1); |
1208 | sprintf(url, "%s%s", remote->url, file); | |
1209 | ||
1210 | /* Make sure leading directories exist for the remote ref */ | |
1211 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
1212 | while (ep) { | |
1213 | *ep = 0; | |
1214 | slot = get_active_slot(); | |
1215 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
1216 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1217 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
1218 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1219 | if (start_active_slot(slot)) { | |
1220 | run_active_slot(slot); | |
1221 | if (slot->curl_result != CURLE_OK && | |
1222 | slot->http_code != 405) { | |
1223 | fprintf(stderr, | |
1224 | "Unable to create branch path %s\n", | |
1225 | url); | |
1226 | free(url); | |
1227 | return NULL; | |
1228 | } | |
1229 | } else { | |
1230 | fprintf(stderr, "Unable to start request\n"); | |
1231 | free(url); | |
1232 | return NULL; | |
1233 | } | |
1234 | *ep = '/'; | |
1235 | ep = strchr(ep + 1, '/'); | |
1236 | } | |
1237 | ||
58e60dd2 NH |
1238 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
1239 | out_data = xmalloc(out_buffer.size + 1); | |
1240 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
1241 | out_buffer.posn = 0; | |
1242 | out_buffer.buffer = out_data; | |
1243 | ||
26349b2e NH |
1244 | in_buffer.size = 4096; |
1245 | in_data = xmalloc(in_buffer.size); | |
1246 | in_buffer.posn = 0; | |
1247 | in_buffer.buffer = in_data; | |
1248 | ||
92e2eb9c | 1249 | new_lock = xcalloc(1, sizeof(*new_lock)); |
26349b2e NH |
1250 | new_lock->owner = NULL; |
1251 | new_lock->token = NULL; | |
1252 | new_lock->timeout = -1; | |
75187c9d | 1253 | new_lock->refreshing = 0; |
26349b2e | 1254 | |
75187c9d | 1255 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
1256 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
1257 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1258 | ||
1259 | slot = get_active_slot(); | |
1260 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1261 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1262 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e NH |
1263 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
1264 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1265 | fwrite_buffer_dynamic); | |
58e60dd2 NH |
1266 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1267 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1268 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1269 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1270 | ||
1271 | if (start_active_slot(slot)) { | |
1272 | run_active_slot(slot); | |
58e60dd2 NH |
1273 | if (slot->curl_result != CURLE_OK) { |
1274 | fprintf(stderr, "Got HTTP error %ld\n", slot->http_code); | |
26349b2e | 1275 | free(new_lock); |
0772b9a6 NH |
1276 | free(url); |
1277 | free(out_data); | |
26349b2e | 1278 | free(in_data); |
58e60dd2 NH |
1279 | return NULL; |
1280 | } | |
1281 | } else { | |
26349b2e | 1282 | free(new_lock); |
0772b9a6 | 1283 | free(url); |
58e60dd2 | 1284 | free(out_data); |
26349b2e | 1285 | free(in_data); |
58e60dd2 | 1286 | fprintf(stderr, "Unable to start request\n"); |
0772b9a6 | 1287 | return NULL; |
58e60dd2 NH |
1288 | } |
1289 | ||
0772b9a6 NH |
1290 | free(out_data); |
1291 | ||
26349b2e NH |
1292 | XML_SetUserData(parser, new_lock); |
1293 | XML_SetElementHandler(parser, start_activelock_element, | |
1294 | end_activelock_element); | |
1295 | XML_SetCharacterDataHandler(parser, activelock_cdata); | |
1296 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1297 | free(in_data); | |
1298 | if (result != XML_STATUS_OK) { | |
1299 | fprintf(stderr, "%s", XML_ErrorString( | |
1300 | XML_GetErrorCode(parser))); | |
75187c9d | 1301 | free(url); |
26349b2e NH |
1302 | free(new_lock); |
1303 | return NULL; | |
1304 | } | |
1305 | ||
1306 | if (new_lock->token == NULL || new_lock->timeout <= 0) { | |
1307 | if (new_lock->token != NULL) | |
1308 | free(new_lock->token); | |
1309 | if (new_lock->owner != NULL) | |
1310 | free(new_lock->owner); | |
75187c9d | 1311 | free(url); |
26349b2e NH |
1312 | free(new_lock); |
1313 | return NULL; | |
1314 | } | |
1315 | ||
75187c9d | 1316 | new_lock->url = url; |
26349b2e NH |
1317 | new_lock->start_time = time(NULL); |
1318 | return new_lock; | |
58e60dd2 NH |
1319 | } |
1320 | ||
f4f440a0 | 1321 | static int unlock_remote(struct active_lock *lock) |
58e60dd2 NH |
1322 | { |
1323 | struct active_request_slot *slot; | |
58e60dd2 NH |
1324 | char *lock_token_header; |
1325 | struct curl_slist *dav_headers = NULL; | |
1326 | int rc = 0; | |
1327 | ||
26349b2e | 1328 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1329 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1330 | lock->token); |
58e60dd2 NH |
1331 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1332 | ||
1333 | slot = get_active_slot(); | |
1334 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
75187c9d | 1335 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1336 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1337 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1338 | ||
1339 | if (start_active_slot(slot)) { | |
1340 | run_active_slot(slot); | |
1341 | if (slot->curl_result == CURLE_OK) | |
1342 | rc = 1; | |
1343 | else | |
1344 | fprintf(stderr, "Got HTTP error %ld\n", | |
1345 | slot->http_code); | |
1346 | } else { | |
1347 | fprintf(stderr, "Unable to start request\n"); | |
1348 | } | |
1349 | ||
1350 | curl_slist_free_all(dav_headers); | |
1351 | free(lock_token_header); | |
75187c9d NH |
1352 | |
1353 | if (lock->owner != NULL) | |
1354 | free(lock->owner); | |
1355 | free(lock->url); | |
1356 | free(lock->token); | |
1357 | free(lock); | |
58e60dd2 NH |
1358 | |
1359 | return rc; | |
1360 | } | |
1361 | ||
f4f440a0 | 1362 | static int check_locking(void) |
58e60dd2 NH |
1363 | { |
1364 | struct active_request_slot *slot; | |
1365 | struct buffer in_buffer; | |
1366 | struct buffer out_buffer; | |
1367 | char *in_data; | |
1368 | char *out_data; | |
1369 | XML_Parser parser = XML_ParserCreate(NULL); | |
1370 | enum XML_Status result; | |
1371 | struct lockprop supported_lock; | |
1372 | struct curl_slist *dav_headers = NULL; | |
1373 | ||
1374 | out_buffer.size = strlen(PROPFIND_REQUEST) + strlen(remote->url) - 2; | |
1375 | out_data = xmalloc(out_buffer.size + 1); | |
1376 | snprintf(out_data, out_buffer.size + 1, PROPFIND_REQUEST, remote->url); | |
1377 | out_buffer.posn = 0; | |
1378 | out_buffer.buffer = out_data; | |
1379 | ||
1380 | in_buffer.size = 4096; | |
1381 | in_data = xmalloc(in_buffer.size); | |
1382 | in_buffer.posn = 0; | |
1383 | in_buffer.buffer = in_data; | |
1384 | ||
1385 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1386 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1387 | ||
1388 | slot = get_active_slot(); | |
1389 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1390 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1391 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1392 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1393 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, | |
1394 | fwrite_buffer_dynamic); | |
1395 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); | |
1396 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1397 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1398 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1399 | ||
1400 | if (start_active_slot(slot)) { | |
1401 | run_active_slot(slot); | |
1402 | free(out_data); | |
1403 | if (slot->curl_result != CURLE_OK) { | |
1404 | free(in_buffer.buffer); | |
1405 | return -1; | |
1406 | } | |
1407 | ||
1408 | XML_SetUserData(parser, &supported_lock); | |
1409 | XML_SetElementHandler(parser, start_lockprop_element, | |
1410 | end_lockprop_element); | |
1411 | result = XML_Parse(parser, in_buffer.buffer, in_buffer.posn, 1); | |
1412 | free(in_buffer.buffer); | |
1413 | if (result != XML_STATUS_OK) | |
1414 | return error("%s", XML_ErrorString( | |
1415 | XML_GetErrorCode(parser))); | |
1416 | } else { | |
1417 | free(out_data); | |
1418 | free(in_buffer.buffer); | |
1419 | return error("Unable to start request"); | |
1420 | } | |
1421 | ||
1422 | if (supported_lock.lock_exclusive_write) | |
1423 | return 0; | |
1424 | else | |
1425 | return 1; | |
1426 | } | |
1427 | ||
f4f440a0 | 1428 | static int is_ancestor(unsigned char *sha1, struct commit *commit) |
58e60dd2 NH |
1429 | { |
1430 | struct commit_list *parents; | |
1431 | ||
1432 | if (parse_commit(commit)) | |
1433 | return 0; | |
1434 | parents = commit->parents; | |
1435 | for (; parents; parents = parents->next) { | |
1436 | if (!memcmp(sha1, parents->item->object.sha1, 20)) { | |
1437 | return 1; | |
1438 | } else if (parents->item->object.type == commit_type) { | |
1439 | if (is_ancestor( | |
1440 | sha1, | |
1441 | (struct commit *)&parents->item->object | |
1442 | )) | |
1443 | return 1; | |
1444 | } | |
1445 | } | |
1446 | return 0; | |
1447 | } | |
1448 | ||
f4f440a0 PH |
1449 | static void get_delta(unsigned char *sha1, struct object *obj, |
1450 | struct active_lock *lock) | |
58e60dd2 NH |
1451 | { |
1452 | struct commit *commit; | |
1453 | struct commit_list *parents; | |
1454 | struct tree *tree; | |
1455 | struct tree_entry_list *entry; | |
1456 | ||
1457 | if (sha1 && !memcmp(sha1, obj->sha1, 20)) | |
1458 | return; | |
1459 | ||
1460 | if (aborted) | |
1461 | return; | |
1462 | ||
1463 | if (obj->type == commit_type) { | |
1464 | if (push_verbosely) | |
1465 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1466 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1467 | commit = (struct commit *)obj; |
1468 | if (parse_commit(commit)) { | |
1469 | fprintf(stderr, "Error parsing commit %s\n", | |
1470 | sha1_to_hex(obj->sha1)); | |
1471 | aborted = 1; | |
1472 | return; | |
1473 | } | |
1474 | parents = commit->parents; | |
1475 | for (; parents; parents = parents->next) | |
1476 | if (sha1 == NULL || | |
1477 | memcmp(sha1, parents->item->object.sha1, 20)) | |
1478 | get_delta(sha1, &parents->item->object, | |
26349b2e NH |
1479 | lock); |
1480 | get_delta(sha1, &commit->tree->object, lock); | |
58e60dd2 NH |
1481 | } else if (obj->type == tree_type) { |
1482 | if (push_verbosely) | |
1483 | fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1)); | |
26349b2e | 1484 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1485 | tree = (struct tree *)obj; |
1486 | if (parse_tree(tree)) { | |
1487 | fprintf(stderr, "Error parsing tree %s\n", | |
1488 | sha1_to_hex(obj->sha1)); | |
1489 | aborted = 1; | |
1490 | return; | |
1491 | } | |
1492 | entry = tree->entries; | |
1493 | tree->entries = NULL; | |
1494 | while (entry) { | |
1495 | struct tree_entry_list *next = entry->next; | |
26349b2e | 1496 | get_delta(sha1, entry->item.any, lock); |
58e60dd2 NH |
1497 | free(entry->name); |
1498 | free(entry); | |
1499 | entry = next; | |
1500 | } | |
1501 | } else if (obj->type == blob_type || obj->type == tag_type) { | |
26349b2e | 1502 | add_request(obj->sha1, lock); |
58e60dd2 NH |
1503 | } |
1504 | } | |
1505 | ||
f4f440a0 | 1506 | static int update_remote(unsigned char *sha1, struct active_lock *lock) |
58e60dd2 NH |
1507 | { |
1508 | struct active_request_slot *slot; | |
58e60dd2 NH |
1509 | char *out_data; |
1510 | char *if_header; | |
1511 | struct buffer out_buffer; | |
1512 | struct curl_slist *dav_headers = NULL; | |
1513 | int i; | |
1514 | ||
26349b2e NH |
1515 | if_header = xmalloc(strlen(lock->token) + 25); |
1516 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1517 | dav_headers = curl_slist_append(dav_headers, if_header); |
1518 | ||
1519 | out_buffer.size = 41; | |
1520 | out_data = xmalloc(out_buffer.size + 1); | |
1521 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1522 | if (i != out_buffer.size) { | |
1523 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1524 | return 0; | |
1525 | } | |
1526 | out_buffer.posn = 0; | |
1527 | out_buffer.buffer = out_data; | |
1528 | ||
1529 | slot = get_active_slot(); | |
1530 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); | |
1531 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1532 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1533 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1534 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1535 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1536 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1537 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1538 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1539 | |
1540 | if (start_active_slot(slot)) { | |
1541 | run_active_slot(slot); | |
1542 | free(out_data); | |
1543 | free(if_header); | |
58e60dd2 NH |
1544 | if (slot->curl_result != CURLE_OK) { |
1545 | fprintf(stderr, | |
1546 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1547 | slot->curl_result, slot->http_code); | |
1548 | /* We should attempt recovery? */ | |
1549 | return 0; | |
1550 | } | |
1551 | } else { | |
1552 | free(out_data); | |
1553 | free(if_header); | |
58e60dd2 NH |
1554 | fprintf(stderr, "Unable to start PUT request\n"); |
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | return 1; | |
1559 | } | |
1560 | ||
1561 | int main(int argc, char **argv) | |
1562 | { | |
1563 | struct active_request_slot *slot; | |
1564 | struct active_request_slot *next_slot; | |
1565 | struct transfer_request *request; | |
1566 | struct transfer_request *next_request; | |
1567 | int nr_refspec = 0; | |
1568 | char **refspec = NULL; | |
1569 | int do_remote_update; | |
1570 | int new_branch; | |
1571 | int force_this; | |
1572 | char *local_ref; | |
1573 | unsigned char local_sha1[20]; | |
1574 | struct object *local_object = NULL; | |
1575 | char *remote_ref = NULL; | |
1576 | unsigned char remote_sha1[20]; | |
26349b2e | 1577 | struct active_lock *remote_lock; |
58e60dd2 NH |
1578 | char *remote_path = NULL; |
1579 | char *low_speed_limit; | |
1580 | char *low_speed_time; | |
1581 | int rc = 0; | |
1582 | int i; | |
1583 | ||
1584 | setup_ident(); | |
1585 | ||
1586 | remote = xmalloc(sizeof(*remote)); | |
1587 | remote->url = NULL; | |
1588 | remote->packs = NULL; | |
1589 | ||
1590 | argv++; | |
1591 | for (i = 1; i < argc; i++, argv++) { | |
1592 | char *arg = *argv; | |
1593 | ||
1594 | if (*arg == '-') { | |
1595 | if (!strcmp(arg, "--complete")) { | |
1596 | push_all = 1; | |
1597 | continue; | |
1598 | } | |
1599 | if (!strcmp(arg, "--force")) { | |
1600 | force_all = 1; | |
1601 | continue; | |
1602 | } | |
1603 | if (!strcmp(arg, "--verbose")) { | |
1604 | push_verbosely = 1; | |
1605 | continue; | |
1606 | } | |
1607 | usage(http_push_usage); | |
1608 | } | |
1609 | if (!remote->url) { | |
1610 | remote->url = arg; | |
1611 | continue; | |
1612 | } | |
1613 | refspec = argv; | |
1614 | nr_refspec = argc - i; | |
1615 | break; | |
1616 | } | |
1617 | ||
0dd276b8 NH |
1618 | memset(remote_dir_exists, 0, 256); |
1619 | ||
58e60dd2 NH |
1620 | curl_global_init(CURL_GLOBAL_ALL); |
1621 | ||
1622 | #ifdef USE_CURL_MULTI | |
1623 | { | |
1624 | char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); | |
1625 | if (http_max_requests != NULL) | |
1626 | max_requests = atoi(http_max_requests); | |
1627 | } | |
1628 | ||
1629 | curlm = curl_multi_init(); | |
1630 | if (curlm == NULL) { | |
1631 | fprintf(stderr, "Error creating curl multi handle.\n"); | |
1632 | return 1; | |
1633 | } | |
1634 | #endif | |
1635 | ||
1636 | if (getenv("GIT_SSL_NO_VERIFY")) | |
1637 | curl_ssl_verify = 0; | |
1638 | ||
1639 | ssl_cert = getenv("GIT_SSL_CERT"); | |
1640 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
1641 | ssl_key = getenv("GIT_SSL_KEY"); | |
1642 | #endif | |
1643 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
1644 | ssl_capath = getenv("GIT_SSL_CAPATH"); | |
1645 | #endif | |
1646 | ssl_cainfo = getenv("GIT_SSL_CAINFO"); | |
1647 | ||
1648 | low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT"); | |
1649 | if (low_speed_limit != NULL) | |
1650 | curl_low_speed_limit = strtol(low_speed_limit, NULL, 10); | |
1651 | low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME"); | |
1652 | if (low_speed_time != NULL) | |
1653 | curl_low_speed_time = strtol(low_speed_time, NULL, 10); | |
1654 | ||
1655 | git_config(http_options); | |
1656 | ||
1657 | if (curl_ssl_verify == -1) | |
1658 | curl_ssl_verify = 1; | |
1659 | ||
1660 | #ifdef USE_CURL_MULTI | |
1661 | if (max_requests < 1) | |
1662 | max_requests = DEFAULT_MAX_REQUESTS; | |
1663 | #endif | |
1664 | ||
1665 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1666 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1667 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1668 | default_headers = curl_slist_append(default_headers, "If:"); | |
1669 | default_headers = curl_slist_append(default_headers, | |
1670 | "Pragma: no-cache"); | |
1671 | ||
1672 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1673 | curl_default = get_curl_handle(); | |
1674 | #endif | |
1675 | ||
1676 | /* Verify DAV compliance/lock support */ | |
1677 | if (check_locking() != 0) { | |
1678 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); | |
1679 | rc = 1; | |
1680 | goto cleanup; | |
1681 | } | |
1682 | ||
1683 | /* Process each refspec */ | |
1684 | for (i = 0; i < nr_refspec; i++) { | |
1685 | char *ep; | |
1686 | force_this = 0; | |
1687 | do_remote_update = 0; | |
1688 | new_branch = 0; | |
1689 | local_ref = refspec[i]; | |
1690 | if (*local_ref == '+') { | |
1691 | force_this = 1; | |
1692 | local_ref++; | |
1693 | } | |
1694 | ep = strchr(local_ref, ':'); | |
1695 | if (ep) { | |
1696 | remote_ref = ep + 1; | |
1697 | *ep = 0; | |
1698 | } | |
1699 | else | |
1700 | remote_ref = local_ref; | |
1701 | ||
1702 | /* Lock remote branch ref */ | |
1703 | if (remote_path) | |
1704 | free(remote_path); | |
1705 | remote_path = xmalloc(strlen(remote_ref) + 12); | |
1706 | sprintf(remote_path, "refs/heads/%s", remote_ref); | |
75187c9d | 1707 | remote_lock = lock_remote(remote_path, LOCK_TIME); |
58e60dd2 NH |
1708 | if (remote_lock == NULL) { |
1709 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1710 | remote_ref); | |
1711 | rc = 1; | |
1712 | continue; | |
1713 | } | |
1714 | ||
1715 | /* Resolve local and remote refs */ | |
1716 | if (fetch_ref(remote_ref, remote_sha1) != 0) { | |
1717 | fprintf(stderr, | |
1718 | "Remote branch %s does not exist on %s\n", | |
1719 | remote_ref, remote->url); | |
1720 | new_branch = 1; | |
1721 | } | |
1722 | if (get_sha1(local_ref, local_sha1) != 0) { | |
1723 | fprintf(stderr, "Error resolving local branch %s\n", | |
1724 | local_ref); | |
1725 | rc = 1; | |
1726 | goto unlock; | |
1727 | } | |
1728 | ||
1729 | /* Find relationship between local and remote */ | |
1730 | local_object = parse_object(local_sha1); | |
1731 | if (!local_object) { | |
1732 | fprintf(stderr, "Unable to parse local object %s\n", | |
1733 | sha1_to_hex(local_sha1)); | |
1734 | rc = 1; | |
1735 | goto unlock; | |
1736 | } else if (new_branch) { | |
1737 | do_remote_update = 1; | |
1738 | } else { | |
1739 | if (!memcmp(local_sha1, remote_sha1, 20)) { | |
1740 | fprintf(stderr, | |
1741 | "* %s: same as branch '%s' of %s\n", | |
1742 | local_ref, remote_ref, remote->url); | |
1743 | } else if (is_ancestor(remote_sha1, | |
1744 | (struct commit *)local_object)) { | |
1745 | fprintf(stderr, | |
1746 | "Remote %s will fast-forward to local %s\n", | |
1747 | remote_ref, local_ref); | |
1748 | do_remote_update = 1; | |
1749 | } else if (force_all || force_this) { | |
1750 | fprintf(stderr, | |
1751 | "* %s on %s does not fast forward to local branch '%s', overwriting\n", | |
1752 | remote_ref, remote->url, local_ref); | |
1753 | do_remote_update = 1; | |
1754 | } else { | |
1755 | fprintf(stderr, | |
1756 | "* %s on %s does not fast forward to local branch '%s'\n", | |
1757 | remote_ref, remote->url, local_ref); | |
1758 | rc = 1; | |
1759 | goto unlock; | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | /* Generate and check list of required objects */ | |
1764 | pushing = 0; | |
1765 | if (do_remote_update || push_all) | |
1766 | fetch_indices(); | |
1767 | get_delta(push_all ? NULL : remote_sha1, | |
1768 | local_object, remote_lock); | |
1769 | process_waiting_requests(); | |
1770 | ||
1771 | /* Push missing objects to remote, this would be a | |
1772 | convenient time to pack them first if appropriate. */ | |
1773 | pushing = 1; | |
1774 | process_request_queue(); | |
1775 | process_waiting_requests(); | |
1776 | ||
1777 | /* Update the remote branch if all went well */ | |
1778 | if (do_remote_update) { | |
75187c9d | 1779 | if (!aborted && update_remote(local_sha1, |
58e60dd2 NH |
1780 | remote_lock)) { |
1781 | fprintf(stderr, "%s remote branch %s\n", | |
1782 | new_branch ? "Created" : "Updated", | |
1783 | remote_ref); | |
1784 | } else { | |
1785 | fprintf(stderr, | |
1786 | "Unable to %s remote branch %s\n", | |
1787 | new_branch ? "create" : "update", | |
1788 | remote_ref); | |
1789 | rc = 1; | |
1790 | goto unlock; | |
1791 | } | |
1792 | } | |
1793 | ||
1794 | unlock: | |
75187c9d | 1795 | unlock_remote(remote_lock); |
58e60dd2 | 1796 | free(remote_path); |
58e60dd2 NH |
1797 | } |
1798 | ||
1799 | cleanup: | |
1800 | free(remote); | |
1801 | ||
1802 | curl_slist_free_all(no_pragma_header); | |
1803 | curl_slist_free_all(default_headers); | |
1804 | ||
1805 | slot = active_queue_head; | |
1806 | while (slot != NULL) { | |
1807 | next_slot = slot->next; | |
1808 | if (slot->curl != NULL) | |
1809 | curl_easy_cleanup(slot->curl); | |
1810 | free(slot); | |
1811 | slot = next_slot; | |
1812 | } | |
1813 | ||
1814 | request = request_queue_head; | |
1815 | while (request != NULL) { | |
1816 | next_request = request->next; | |
1817 | release_request(request); | |
58e60dd2 NH |
1818 | request = next_request; |
1819 | } | |
1820 | ||
1821 | #ifndef NO_CURL_EASY_DUPHANDLE | |
1822 | curl_easy_cleanup(curl_default); | |
1823 | #endif | |
1824 | #ifdef USE_CURL_MULTI | |
1825 | curl_multi_cleanup(curlm); | |
1826 | #endif | |
1827 | curl_global_cleanup(); | |
1828 | return rc; | |
1829 | } |