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Commit | Line | Data |
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58e60dd2 NH |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | #include "pack.h" | |
4 | #include "fetch.h" | |
5 | #include "tag.h" | |
6 | #include "blob.h" | |
29508e1e | 7 | #include "http.h" |
aa1dbc98 NH |
8 | #include "refs.h" |
9 | #include "revision.h" | |
29508e1e | 10 | |
bee8e79d | 11 | #include <expat.h> |
58e60dd2 NH |
12 | |
13 | static const char http_push_usage[] = | |
14 | "git-http-push [--complete] [--force] [--verbose] <url> <ref> [<ref>...]\n"; | |
15 | ||
92e2eb9c JS |
16 | #ifndef XML_STATUS_OK |
17 | enum XML_Status { | |
18 | XML_STATUS_OK = 1, | |
19 | XML_STATUS_ERROR = 0 | |
20 | }; | |
21 | #define XML_STATUS_OK 1 | |
22 | #define XML_STATUS_ERROR 0 | |
23 | #endif | |
24 | ||
58e60dd2 NH |
25 | #define RANGE_HEADER_SIZE 30 |
26 | ||
acf59575 | 27 | /* DAV methods */ |
58e60dd2 NH |
28 | #define DAV_LOCK "LOCK" |
29 | #define DAV_MKCOL "MKCOL" | |
30 | #define DAV_MOVE "MOVE" | |
31 | #define DAV_PROPFIND "PROPFIND" | |
32 | #define DAV_PUT "PUT" | |
33 | #define DAV_UNLOCK "UNLOCK" | |
acf59575 NH |
34 | |
35 | /* DAV lock flags */ | |
36 | #define DAV_PROP_LOCKWR (1u << 0) | |
37 | #define DAV_PROP_LOCKEX (1u << 1) | |
38 | #define DAV_LOCK_OK (1u << 2) | |
39 | ||
40 | /* DAV XML properties */ | |
41 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
42 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
43 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
44 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
45 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
46 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
aa1dbc98 NH |
47 | #define DAV_PROPFIND_RESP ".multistatus.response" |
48 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
49 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
acf59575 NH |
50 | |
51 | /* DAV request body templates */ | |
aa1dbc98 NH |
52 | #define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>" |
53 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
58e60dd2 NH |
54 | #define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>" |
55 | ||
75187c9d NH |
56 | #define LOCK_TIME 600 |
57 | #define LOCK_REFRESH 30 | |
58 | ||
aa1dbc98 NH |
59 | /* bits #0-4 in revision.h */ |
60 | ||
61 | #define LOCAL (1u << 5) | |
62 | #define REMOTE (1u << 6) | |
63 | #define PUSHING (1u << 7) | |
64 | ||
58e60dd2 NH |
65 | static int pushing = 0; |
66 | static int aborted = 0; | |
0dd276b8 | 67 | static char remote_dir_exists[256]; |
58e60dd2 | 68 | |
58e60dd2 NH |
69 | static struct curl_slist *no_pragma_header; |
70 | static struct curl_slist *default_headers; | |
58e60dd2 NH |
71 | |
72 | static int push_verbosely = 0; | |
73 | static int push_all = 0; | |
74 | static int force_all = 0; | |
75 | ||
aa1dbc98 NH |
76 | static struct object_list *objects = NULL; |
77 | ||
58e60dd2 NH |
78 | struct repo |
79 | { | |
80 | char *url; | |
aa1dbc98 | 81 | int path_len; |
58e60dd2 NH |
82 | struct packed_git *packs; |
83 | }; | |
84 | ||
85 | static struct repo *remote = NULL; | |
aa1dbc98 | 86 | static struct remote_lock *remote_locks = NULL; |
58e60dd2 NH |
87 | |
88 | enum transfer_state { | |
58e60dd2 NH |
89 | NEED_PUSH, |
90 | RUN_MKCOL, | |
91 | RUN_PUT, | |
92 | RUN_MOVE, | |
93 | ABORTED, | |
94 | COMPLETE, | |
95 | }; | |
96 | ||
97 | struct transfer_request | |
98 | { | |
aa1dbc98 | 99 | struct object *obj; |
58e60dd2 NH |
100 | char *url; |
101 | char *dest; | |
aa1dbc98 | 102 | struct remote_lock *lock; |
58e60dd2 NH |
103 | struct curl_slist *headers; |
104 | struct buffer buffer; | |
105 | char filename[PATH_MAX]; | |
106 | char tmpfile[PATH_MAX]; | |
107 | enum transfer_state state; | |
108 | CURLcode curl_result; | |
109 | char errorstr[CURL_ERROR_SIZE]; | |
110 | long http_code; | |
111 | unsigned char real_sha1[20]; | |
112 | SHA_CTX c; | |
113 | z_stream stream; | |
114 | int zret; | |
115 | int rename; | |
116 | struct active_request_slot *slot; | |
117 | struct transfer_request *next; | |
118 | }; | |
119 | ||
58e60dd2 | 120 | static struct transfer_request *request_queue_head = NULL; |
58e60dd2 | 121 | |
acf59575 NH |
122 | struct xml_ctx |
123 | { | |
124 | char *name; | |
125 | int len; | |
126 | char *cdata; | |
127 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
128 | void *userData; | |
129 | }; | |
130 | ||
aa1dbc98 | 131 | struct remote_lock |
26349b2e | 132 | { |
75187c9d | 133 | char *url; |
26349b2e | 134 | char *owner; |
75187c9d | 135 | char *token; |
26349b2e NH |
136 | time_t start_time; |
137 | long timeout; | |
aa1dbc98 | 138 | int active; |
75187c9d | 139 | int refreshing; |
aa1dbc98 NH |
140 | struct remote_lock *next; |
141 | }; | |
142 | ||
3030baa7 NH |
143 | /* Flags that control remote_ls processing */ |
144 | #define PROCESS_FILES (1u << 0) | |
145 | #define PROCESS_DIRS (1u << 1) | |
146 | #define RECURSIVE (1u << 2) | |
147 | ||
148 | /* Flags that remote_ls passes to callback functions */ | |
149 | #define IS_DIR (1u << 0) | |
150 | ||
151 | struct remote_ls_ctx | |
aa1dbc98 | 152 | { |
3030baa7 NH |
153 | char *path; |
154 | void (*userFunc)(struct remote_ls_ctx *ls); | |
155 | void *userData; | |
156 | int flags; | |
157 | char *dentry_name; | |
158 | int dentry_flags; | |
159 | struct remote_ls_ctx *parent; | |
26349b2e NH |
160 | }; |
161 | ||
29508e1e | 162 | static void finish_request(struct transfer_request *request); |
58e60dd2 | 163 | |
29508e1e | 164 | static void process_response(void *callback_data) |
58e60dd2 | 165 | { |
29508e1e NH |
166 | struct transfer_request *request = |
167 | (struct transfer_request *)callback_data; | |
58e60dd2 | 168 | |
29508e1e | 169 | finish_request(request); |
58e60dd2 NH |
170 | } |
171 | ||
58e60dd2 NH |
172 | static void start_mkcol(struct transfer_request *request) |
173 | { | |
aa1dbc98 | 174 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
175 | struct active_request_slot *slot; |
176 | char *posn; | |
177 | ||
178 | request->url = xmalloc(strlen(remote->url) + 13); | |
179 | strcpy(request->url, remote->url); | |
180 | posn = request->url + strlen(remote->url); | |
181 | strcpy(posn, "objects/"); | |
182 | posn += 8; | |
183 | memcpy(posn, hex, 2); | |
184 | posn += 2; | |
185 | strcpy(posn, "/"); | |
186 | ||
187 | slot = get_active_slot(); | |
29508e1e NH |
188 | slot->callback_func = process_response; |
189 | slot->callback_data = request; | |
58e60dd2 NH |
190 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
191 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
192 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
193 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
194 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
195 | ||
196 | if (start_active_slot(slot)) { | |
197 | request->slot = slot; | |
198 | request->state = RUN_MKCOL; | |
199 | } else { | |
200 | request->state = ABORTED; | |
201 | free(request->url); | |
7b899967 | 202 | request->url = NULL; |
58e60dd2 NH |
203 | } |
204 | } | |
205 | ||
206 | static void start_put(struct transfer_request *request) | |
207 | { | |
aa1dbc98 | 208 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
209 | struct active_request_slot *slot; |
210 | char *posn; | |
211 | char type[20]; | |
212 | char hdr[50]; | |
213 | void *unpacked; | |
214 | unsigned long len; | |
215 | int hdrlen; | |
216 | ssize_t size; | |
217 | z_stream stream; | |
218 | ||
aa1dbc98 | 219 | unpacked = read_sha1_file(request->obj->sha1, type, &len); |
58e60dd2 NH |
220 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; |
221 | ||
222 | /* Set it up */ | |
223 | memset(&stream, 0, sizeof(stream)); | |
224 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
225 | size = deflateBound(&stream, len + hdrlen); | |
226 | request->buffer.buffer = xmalloc(size); | |
227 | ||
228 | /* Compress it */ | |
229 | stream.next_out = request->buffer.buffer; | |
230 | stream.avail_out = size; | |
231 | ||
232 | /* First header.. */ | |
233 | stream.next_in = (void *)hdr; | |
234 | stream.avail_in = hdrlen; | |
235 | while (deflate(&stream, 0) == Z_OK) | |
236 | /* nothing */; | |
237 | ||
238 | /* Then the data itself.. */ | |
239 | stream.next_in = unpacked; | |
240 | stream.avail_in = len; | |
241 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
242 | /* nothing */; | |
243 | deflateEnd(&stream); | |
244 | free(unpacked); | |
245 | ||
246 | request->buffer.size = stream.total_out; | |
247 | request->buffer.posn = 0; | |
248 | ||
58e60dd2 | 249 | request->url = xmalloc(strlen(remote->url) + |
26349b2e | 250 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
251 | strcpy(request->url, remote->url); |
252 | posn = request->url + strlen(remote->url); | |
253 | strcpy(posn, "objects/"); | |
254 | posn += 8; | |
255 | memcpy(posn, hex, 2); | |
256 | posn += 2; | |
257 | *(posn++) = '/'; | |
258 | strcpy(posn, hex + 2); | |
259 | request->dest = xmalloc(strlen(request->url) + 14); | |
260 | sprintf(request->dest, "Destination: %s", request->url); | |
261 | posn += 38; | |
262 | *(posn++) = '.'; | |
26349b2e | 263 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
264 | |
265 | slot = get_active_slot(); | |
29508e1e NH |
266 | slot->callback_func = process_response; |
267 | slot->callback_data = request; | |
58e60dd2 NH |
268 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); |
269 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
270 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
271 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
272 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
273 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
274 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
275 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
276 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
277 | ||
278 | if (start_active_slot(slot)) { | |
279 | request->slot = slot; | |
280 | request->state = RUN_PUT; | |
281 | } else { | |
282 | request->state = ABORTED; | |
283 | free(request->url); | |
7b899967 | 284 | request->url = NULL; |
58e60dd2 NH |
285 | } |
286 | } | |
287 | ||
288 | static void start_move(struct transfer_request *request) | |
289 | { | |
290 | struct active_request_slot *slot; | |
291 | struct curl_slist *dav_headers = NULL; | |
292 | ||
293 | slot = get_active_slot(); | |
29508e1e NH |
294 | slot->callback_func = process_response; |
295 | slot->callback_data = request; | |
58e60dd2 NH |
296 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
297 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
298 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
299 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
300 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
301 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
302 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
303 | ||
304 | if (start_active_slot(slot)) { | |
305 | request->slot = slot; | |
306 | request->state = RUN_MOVE; | |
307 | } else { | |
308 | request->state = ABORTED; | |
309 | free(request->url); | |
7b899967 | 310 | request->url = NULL; |
58e60dd2 NH |
311 | } |
312 | } | |
313 | ||
aa1dbc98 | 314 | static int refresh_lock(struct remote_lock *check_lock) |
75187c9d NH |
315 | { |
316 | struct active_request_slot *slot; | |
baa7b67d | 317 | struct slot_results results; |
75187c9d NH |
318 | char *if_header; |
319 | char timeout_header[25]; | |
320 | struct curl_slist *dav_headers = NULL; | |
aa1dbc98 NH |
321 | struct remote_lock *lock; |
322 | int time_remaining; | |
323 | time_t current_time; | |
75187c9d | 324 | |
aa1dbc98 NH |
325 | /* Refresh all active locks if they're close to expiring */ |
326 | for (lock = remote_locks; lock; lock = lock->next) { | |
327 | if (!lock->active) | |
328 | continue; | |
75187c9d | 329 | |
aa1dbc98 NH |
330 | current_time = time(NULL); |
331 | time_remaining = lock->start_time + lock->timeout | |
332 | - current_time; | |
333 | if (time_remaining > LOCK_REFRESH) | |
334 | continue; | |
75187c9d | 335 | |
aa1dbc98 | 336 | lock->refreshing = 1; |
75187c9d | 337 | |
aa1dbc98 NH |
338 | if_header = xmalloc(strlen(lock->token) + 25); |
339 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
340 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
341 | dav_headers = curl_slist_append(dav_headers, if_header); | |
342 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
343 | ||
344 | slot = get_active_slot(); | |
baa7b67d | 345 | slot->results = &results; |
aa1dbc98 NH |
346 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
347 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
348 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
349 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
350 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
351 | ||
352 | if (start_active_slot(slot)) { | |
353 | run_active_slot(slot); | |
baa7b67d NH |
354 | if (results.curl_result != CURLE_OK) { |
355 | fprintf(stderr, "Got HTTP error %ld\n", results.http_code); | |
aa1dbc98 NH |
356 | lock->active = 0; |
357 | } else { | |
358 | lock->active = 1; | |
359 | lock->start_time = time(NULL); | |
360 | } | |
75187c9d | 361 | } |
aa1dbc98 NH |
362 | |
363 | lock->refreshing = 0; | |
364 | curl_slist_free_all(dav_headers); | |
365 | free(if_header); | |
75187c9d NH |
366 | } |
367 | ||
aa1dbc98 NH |
368 | if (check_lock) |
369 | return check_lock->active; | |
370 | else | |
371 | return 0; | |
372 | } | |
75187c9d | 373 | |
aa1dbc98 NH |
374 | static void release_request(struct transfer_request *request) |
375 | { | |
376 | struct transfer_request *entry = request_queue_head; | |
377 | ||
378 | if (request == request_queue_head) { | |
379 | request_queue_head = request->next; | |
380 | } else { | |
381 | while (entry->next != NULL && entry->next != request) | |
382 | entry = entry->next; | |
383 | if (entry->next == request) | |
384 | entry->next = entry->next->next; | |
385 | } | |
386 | ||
387 | if (request->url != NULL) | |
388 | free(request->url); | |
389 | free(request); | |
75187c9d NH |
390 | } |
391 | ||
58e60dd2 NH |
392 | static void finish_request(struct transfer_request *request) |
393 | { | |
394 | request->curl_result = request->slot->curl_result; | |
395 | request->http_code = request->slot->http_code; | |
396 | request->slot = NULL; | |
75187c9d | 397 | |
aa1dbc98 NH |
398 | /* Keep locks active */ |
399 | refresh_lock(request->lock); | |
75187c9d | 400 | |
58e60dd2 NH |
401 | if (request->headers != NULL) |
402 | curl_slist_free_all(request->headers); | |
7b899967 NH |
403 | |
404 | /* URL is reused for MOVE after PUT */ | |
405 | if (request->state != RUN_PUT) { | |
406 | free(request->url); | |
407 | request->url = NULL; | |
aa1dbc98 | 408 | } |
7b899967 | 409 | |
aa1dbc98 | 410 | if (request->state == RUN_MKCOL) { |
58e60dd2 NH |
411 | if (request->curl_result == CURLE_OK || |
412 | request->http_code == 405) { | |
aa1dbc98 | 413 | remote_dir_exists[request->obj->sha1[0]] = 1; |
58e60dd2 NH |
414 | start_put(request); |
415 | } else { | |
416 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 417 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
418 | request->curl_result, request->http_code); |
419 | request->state = ABORTED; | |
420 | aborted = 1; | |
421 | } | |
422 | } else if (request->state == RUN_PUT) { | |
423 | if (request->curl_result == CURLE_OK) { | |
424 | start_move(request); | |
425 | } else { | |
426 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 427 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
428 | request->curl_result, request->http_code); |
429 | request->state = ABORTED; | |
430 | aborted = 1; | |
431 | } | |
432 | } else if (request->state == RUN_MOVE) { | |
433 | if (request->curl_result == CURLE_OK) { | |
aa1dbc98 NH |
434 | fprintf(stderr, " sent %s\n", |
435 | sha1_to_hex(request->obj->sha1)); | |
58e60dd2 | 436 | request->state = COMPLETE; |
aa1dbc98 NH |
437 | request->obj->flags |= REMOTE; |
438 | release_request(request); | |
58e60dd2 NH |
439 | } else { |
440 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 441 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
442 | request->curl_result, request->http_code); |
443 | request->state = ABORTED; | |
444 | aborted = 1; | |
445 | } | |
446 | } | |
447 | } | |
448 | ||
29508e1e | 449 | void fill_active_slots(void) |
58e60dd2 NH |
450 | { |
451 | struct transfer_request *request = request_queue_head; | |
452 | struct active_request_slot *slot = active_queue_head; | |
453 | int num_transfers; | |
454 | ||
455 | if (aborted) | |
456 | return; | |
457 | ||
458 | while (active_requests < max_requests && request != NULL) { | |
aa1dbc98 NH |
459 | if (pushing && request->state == NEED_PUSH) { |
460 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { | |
0dd276b8 | 461 | start_put(request); |
aa1dbc98 | 462 | } else { |
0dd276b8 | 463 | start_mkcol(request); |
aa1dbc98 | 464 | } |
58e60dd2 NH |
465 | curl_multi_perform(curlm, &num_transfers); |
466 | } | |
467 | request = request->next; | |
468 | } | |
469 | ||
470 | while (slot != NULL) { | |
471 | if (!slot->in_use && slot->curl != NULL) { | |
472 | curl_easy_cleanup(slot->curl); | |
473 | slot->curl = NULL; | |
474 | } | |
475 | slot = slot->next; | |
aa1dbc98 | 476 | } |
58e60dd2 | 477 | } |
58e60dd2 | 478 | |
aa1dbc98 NH |
479 | static void get_remote_object_list(unsigned char parent); |
480 | ||
481 | static void add_request(struct object *obj, struct remote_lock *lock) | |
58e60dd2 NH |
482 | { |
483 | struct transfer_request *request = request_queue_head; | |
58e60dd2 | 484 | struct packed_git *target; |
58e60dd2 | 485 | |
aa1dbc98 NH |
486 | /* |
487 | * Don't push the object if it's known to exist on the remote | |
488 | * or is already in the request queue | |
489 | */ | |
490 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
491 | get_remote_object_list(obj->sha1[0]); | |
492 | if (obj->flags & (REMOTE | PUSHING)) | |
493 | return; | |
494 | target = find_sha1_pack(obj->sha1, remote->packs); | |
495 | if (target) { | |
496 | obj->flags |= REMOTE; | |
58e60dd2 | 497 | return; |
aa1dbc98 | 498 | } |
58e60dd2 | 499 | |
aa1dbc98 | 500 | obj->flags |= PUSHING; |
58e60dd2 | 501 | request = xmalloc(sizeof(*request)); |
aa1dbc98 | 502 | request->obj = obj; |
58e60dd2 | 503 | request->url = NULL; |
26349b2e | 504 | request->lock = lock; |
58e60dd2 | 505 | request->headers = NULL; |
aa1dbc98 | 506 | request->state = NEED_PUSH; |
c17fb6ee NH |
507 | request->next = request_queue_head; |
508 | request_queue_head = request; | |
29508e1e NH |
509 | |
510 | fill_active_slots(); | |
511 | step_active_slots(); | |
58e60dd2 NH |
512 | } |
513 | ||
514 | static int fetch_index(unsigned char *sha1) | |
515 | { | |
516 | char *hex = sha1_to_hex(sha1); | |
517 | char *filename; | |
518 | char *url; | |
519 | char tmpfile[PATH_MAX]; | |
520 | long prev_posn = 0; | |
521 | char range[RANGE_HEADER_SIZE]; | |
522 | struct curl_slist *range_header = NULL; | |
523 | ||
524 | FILE *indexfile; | |
525 | struct active_request_slot *slot; | |
baa7b67d | 526 | struct slot_results results; |
58e60dd2 | 527 | |
c17fb6ee NH |
528 | /* Don't use the index if the pack isn't there */ |
529 | url = xmalloc(strlen(remote->url) + 65); | |
530 | sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex); | |
531 | slot = get_active_slot(); | |
baa7b67d | 532 | slot->results = &results; |
c17fb6ee NH |
533 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
534 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
535 | if (start_active_slot(slot)) { | |
536 | run_active_slot(slot); | |
baa7b67d | 537 | if (results.curl_result != CURLE_OK) { |
c17fb6ee NH |
538 | free(url); |
539 | return error("Unable to verify pack %s is available", | |
540 | hex); | |
541 | } | |
542 | } else { | |
543 | return error("Unable to start request"); | |
544 | } | |
545 | ||
58e60dd2 NH |
546 | if (has_pack_index(sha1)) |
547 | return 0; | |
548 | ||
549 | if (push_verbosely) | |
550 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
551 | ||
58e60dd2 NH |
552 | sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, hex); |
553 | ||
554 | filename = sha1_pack_index_name(sha1); | |
555 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
556 | indexfile = fopen(tmpfile, "a"); | |
557 | if (!indexfile) | |
558 | return error("Unable to open local file %s for pack index", | |
559 | filename); | |
560 | ||
561 | slot = get_active_slot(); | |
baa7b67d | 562 | slot->results = &results; |
c17fb6ee NH |
563 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
564 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
565 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
566 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
567 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
568 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
569 | slot->local = indexfile; | |
570 | ||
571 | /* If there is data present from a previous transfer attempt, | |
572 | resume where it left off */ | |
573 | prev_posn = ftell(indexfile); | |
574 | if (prev_posn>0) { | |
575 | if (push_verbosely) | |
576 | fprintf(stderr, | |
577 | "Resuming fetch of index for pack %s at byte %ld\n", | |
578 | hex, prev_posn); | |
579 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
580 | range_header = curl_slist_append(range_header, range); | |
581 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
582 | } | |
583 | ||
584 | if (start_active_slot(slot)) { | |
585 | run_active_slot(slot); | |
baa7b67d | 586 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
587 | free(url); |
588 | fclose(indexfile); | |
589 | return error("Unable to get pack index %s\n%s", url, | |
590 | curl_errorstr); | |
591 | } | |
592 | } else { | |
593 | free(url); | |
7b899967 | 594 | fclose(indexfile); |
58e60dd2 NH |
595 | return error("Unable to start request"); |
596 | } | |
597 | ||
598 | free(url); | |
599 | fclose(indexfile); | |
600 | ||
601 | return move_temp_to_file(tmpfile, filename); | |
602 | } | |
603 | ||
604 | static int setup_index(unsigned char *sha1) | |
605 | { | |
606 | struct packed_git *new_pack; | |
58e60dd2 NH |
607 | |
608 | if (fetch_index(sha1)) | |
609 | return -1; | |
610 | ||
611 | new_pack = parse_pack_index(sha1); | |
612 | new_pack->next = remote->packs; | |
613 | remote->packs = new_pack; | |
614 | return 0; | |
615 | } | |
616 | ||
f4f440a0 | 617 | static int fetch_indices(void) |
58e60dd2 NH |
618 | { |
619 | unsigned char sha1[20]; | |
620 | char *url; | |
621 | struct buffer buffer; | |
622 | char *data; | |
623 | int i = 0; | |
624 | ||
625 | struct active_request_slot *slot; | |
baa7b67d | 626 | struct slot_results results; |
58e60dd2 NH |
627 | |
628 | data = xmalloc(4096); | |
629 | memset(data, 0, 4096); | |
630 | buffer.size = 4096; | |
631 | buffer.posn = 0; | |
632 | buffer.buffer = data; | |
633 | ||
634 | if (push_verbosely) | |
635 | fprintf(stderr, "Getting pack list\n"); | |
636 | ||
637 | url = xmalloc(strlen(remote->url) + 21); | |
638 | sprintf(url, "%s/objects/info/packs", remote->url); | |
639 | ||
640 | slot = get_active_slot(); | |
baa7b67d | 641 | slot->results = &results; |
58e60dd2 | 642 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 643 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
644 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
645 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
646 | if (start_active_slot(slot)) { | |
647 | run_active_slot(slot); | |
baa7b67d | 648 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
649 | free(buffer.buffer); |
650 | free(url); | |
baa7b67d | 651 | if (results.http_code == 404) |
58e60dd2 NH |
652 | return 0; |
653 | else | |
654 | return error("%s", curl_errorstr); | |
655 | } | |
656 | } else { | |
657 | free(buffer.buffer); | |
658 | free(url); | |
659 | return error("Unable to start request"); | |
660 | } | |
661 | free(url); | |
662 | ||
663 | data = buffer.buffer; | |
664 | while (i < buffer.posn) { | |
665 | switch (data[i]) { | |
666 | case 'P': | |
667 | i++; | |
668 | if (i + 52 < buffer.posn && | |
669 | !strncmp(data + i, " pack-", 6) && | |
670 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
671 | get_sha1_hex(data + i + 6, sha1); | |
672 | setup_index(sha1); | |
673 | i += 51; | |
674 | break; | |
675 | } | |
676 | default: | |
677 | while (data[i] != '\n') | |
678 | i++; | |
679 | } | |
680 | i++; | |
681 | } | |
682 | ||
683 | free(buffer.buffer); | |
684 | return 0; | |
685 | } | |
686 | ||
687 | static inline int needs_quote(int ch) | |
688 | { | |
689 | switch (ch) { | |
690 | case '/': case '-': case '.': | |
691 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
692 | return 0; | |
693 | default: | |
694 | return 1; | |
695 | } | |
696 | } | |
697 | ||
698 | static inline int hex(int v) | |
699 | { | |
700 | if (v < 10) return '0' + v; | |
701 | else return 'A' + v - 10; | |
702 | } | |
703 | ||
704 | static char *quote_ref_url(const char *base, const char *ref) | |
705 | { | |
706 | const char *cp; | |
707 | char *dp, *qref; | |
708 | int len, baselen, ch; | |
709 | ||
710 | baselen = strlen(base); | |
aa1dbc98 | 711 | len = baselen + 1; |
58e60dd2 NH |
712 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
713 | if (needs_quote(ch)) | |
714 | len += 2; /* extra two hex plus replacement % */ | |
715 | qref = xmalloc(len); | |
716 | memcpy(qref, base, baselen); | |
aa1dbc98 | 717 | for (cp = ref, dp = qref + baselen; (ch = *cp) != 0; cp++) { |
58e60dd2 NH |
718 | if (needs_quote(ch)) { |
719 | *dp++ = '%'; | |
720 | *dp++ = hex((ch >> 4) & 0xF); | |
721 | *dp++ = hex(ch & 0xF); | |
722 | } | |
723 | else | |
724 | *dp++ = ch; | |
725 | } | |
726 | *dp = 0; | |
727 | ||
728 | return qref; | |
729 | } | |
730 | ||
731 | int fetch_ref(char *ref, unsigned char *sha1) | |
732 | { | |
733 | char *url; | |
734 | char hex[42]; | |
735 | struct buffer buffer; | |
736 | char *base = remote->url; | |
737 | struct active_request_slot *slot; | |
baa7b67d | 738 | struct slot_results results; |
58e60dd2 NH |
739 | buffer.size = 41; |
740 | buffer.posn = 0; | |
741 | buffer.buffer = hex; | |
742 | hex[41] = '\0'; | |
baa7b67d | 743 | |
58e60dd2 NH |
744 | url = quote_ref_url(base, ref); |
745 | slot = get_active_slot(); | |
baa7b67d | 746 | slot->results = &results; |
58e60dd2 | 747 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 748 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
749 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); |
750 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
751 | if (start_active_slot(slot)) { | |
752 | run_active_slot(slot); | |
baa7b67d | 753 | if (results.curl_result != CURLE_OK) |
58e60dd2 NH |
754 | return error("Couldn't get %s for %s\n%s", |
755 | url, ref, curl_errorstr); | |
756 | } else { | |
757 | return error("Unable to start request"); | |
758 | } | |
759 | ||
760 | hex[40] = '\0'; | |
761 | get_sha1_hex(hex, sha1); | |
762 | return 0; | |
763 | } | |
764 | ||
aa1dbc98 NH |
765 | static void one_remote_object(const char *hex) |
766 | { | |
767 | unsigned char sha1[20]; | |
768 | struct object *obj; | |
769 | ||
770 | if (get_sha1_hex(hex, sha1) != 0) | |
771 | return; | |
772 | ||
773 | obj = lookup_object(sha1); | |
774 | if (!obj) | |
775 | obj = parse_object(sha1); | |
776 | ||
777 | /* Ignore remote objects that don't exist locally */ | |
778 | if (!obj) | |
779 | return; | |
780 | ||
781 | obj->flags |= REMOTE; | |
782 | if (!object_list_contains(objects, obj)) | |
783 | add_object(obj, &objects, NULL, ""); | |
784 | } | |
785 | ||
acf59575 | 786 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 787 | { |
acf59575 NH |
788 | int *lock_flags = (int *)ctx->userData; |
789 | ||
790 | if (tag_closed) { | |
791 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
792 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
793 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
794 | *lock_flags |= DAV_LOCK_OK; | |
795 | } | |
796 | *lock_flags &= DAV_LOCK_OK; | |
797 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
798 | *lock_flags |= DAV_PROP_LOCKWR; | |
799 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
800 | *lock_flags |= DAV_PROP_LOCKEX; | |
801 | } | |
802 | } | |
26349b2e NH |
803 | } |
804 | ||
acf59575 | 805 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 806 | { |
aa1dbc98 | 807 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; |
acf59575 NH |
808 | |
809 | if (tag_closed && ctx->cdata) { | |
810 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
811 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
812 | strcpy(lock->owner, ctx->cdata); | |
813 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
814 | if (!strncmp(ctx->cdata, "Second-", 7)) | |
815 | lock->timeout = | |
816 | strtol(ctx->cdata + 7, NULL, 10); | |
817 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
818 | if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) { | |
3e2f62be | 819 | lock->token = xmalloc(strlen(ctx->cdata) - 15); |
acf59575 NH |
820 | strcpy(lock->token, ctx->cdata + 16); |
821 | } | |
822 | } | |
26349b2e NH |
823 | } |
824 | } | |
825 | ||
aa1dbc98 | 826 | static void one_remote_ref(char *refname); |
aa1dbc98 | 827 | |
26349b2e | 828 | static void |
acf59575 | 829 | xml_start_tag(void *userData, const char *name, const char **atts) |
26349b2e | 830 | { |
acf59575 NH |
831 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
832 | const char *c = index(name, ':'); | |
833 | int new_len; | |
834 | ||
835 | if (c == NULL) | |
836 | c = name; | |
837 | else | |
838 | c++; | |
839 | ||
840 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
841 | ||
842 | if (new_len > ctx->len) { | |
843 | ctx->name = xrealloc(ctx->name, new_len); | |
844 | ctx->len = new_len; | |
26349b2e | 845 | } |
acf59575 NH |
846 | strcat(ctx->name, "."); |
847 | strcat(ctx->name, c); | |
26349b2e | 848 | |
acf59575 NH |
849 | if (ctx->cdata) { |
850 | free(ctx->cdata); | |
851 | ctx->cdata = NULL; | |
852 | } | |
853 | ||
854 | ctx->userFunc(ctx, 0); | |
26349b2e NH |
855 | } |
856 | ||
58e60dd2 | 857 | static void |
acf59575 | 858 | xml_end_tag(void *userData, const char *name) |
58e60dd2 | 859 | { |
acf59575 NH |
860 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
861 | const char *c = index(name, ':'); | |
862 | char *ep; | |
58e60dd2 | 863 | |
acf59575 NH |
864 | ctx->userFunc(ctx, 1); |
865 | ||
866 | if (c == NULL) | |
867 | c = name; | |
868 | else | |
869 | c++; | |
870 | ||
871 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
872 | *ep = 0; | |
58e60dd2 NH |
873 | } |
874 | ||
875 | static void | |
acf59575 | 876 | xml_cdata(void *userData, const XML_Char *s, int len) |
58e60dd2 | 877 | { |
acf59575 NH |
878 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
879 | if (ctx->cdata) | |
880 | free(ctx->cdata); | |
881 | ctx->cdata = xcalloc(len+1, 1); | |
882 | strncpy(ctx->cdata, s, len); | |
58e60dd2 NH |
883 | } |
884 | ||
aa1dbc98 | 885 | static struct remote_lock *lock_remote(char *path, long timeout) |
58e60dd2 NH |
886 | { |
887 | struct active_request_slot *slot; | |
baa7b67d | 888 | struct slot_results results; |
58e60dd2 | 889 | struct buffer out_buffer; |
26349b2e | 890 | struct buffer in_buffer; |
58e60dd2 | 891 | char *out_data; |
26349b2e | 892 | char *in_data; |
58e60dd2 | 893 | char *url; |
0772b9a6 | 894 | char *ep; |
58e60dd2 | 895 | char timeout_header[25]; |
aa1dbc98 | 896 | struct remote_lock *lock = remote_locks; |
26349b2e NH |
897 | XML_Parser parser = XML_ParserCreate(NULL); |
898 | enum XML_Status result; | |
58e60dd2 | 899 | struct curl_slist *dav_headers = NULL; |
acf59575 | 900 | struct xml_ctx ctx; |
58e60dd2 | 901 | |
aa1dbc98 NH |
902 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
903 | sprintf(url, "%s%s", remote->url, path); | |
904 | ||
905 | /* Make sure the url is not already locked */ | |
906 | while (lock && strcmp(lock->url, url)) { | |
907 | lock = lock->next; | |
908 | } | |
909 | if (lock) { | |
910 | free(url); | |
911 | if (refresh_lock(lock)) | |
912 | return lock; | |
913 | else | |
914 | return NULL; | |
915 | } | |
0772b9a6 NH |
916 | |
917 | /* Make sure leading directories exist for the remote ref */ | |
918 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
919 | while (ep) { | |
920 | *ep = 0; | |
921 | slot = get_active_slot(); | |
baa7b67d | 922 | slot->results = &results; |
0772b9a6 NH |
923 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
924 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
925 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
926 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
927 | if (start_active_slot(slot)) { | |
928 | run_active_slot(slot); | |
baa7b67d NH |
929 | if (results.curl_result != CURLE_OK && |
930 | results.http_code != 405) { | |
0772b9a6 NH |
931 | fprintf(stderr, |
932 | "Unable to create branch path %s\n", | |
933 | url); | |
934 | free(url); | |
935 | return NULL; | |
936 | } | |
937 | } else { | |
938 | fprintf(stderr, "Unable to start request\n"); | |
939 | free(url); | |
940 | return NULL; | |
941 | } | |
942 | *ep = '/'; | |
943 | ep = strchr(ep + 1, '/'); | |
944 | } | |
945 | ||
58e60dd2 NH |
946 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
947 | out_data = xmalloc(out_buffer.size + 1); | |
948 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
949 | out_buffer.posn = 0; | |
950 | out_buffer.buffer = out_data; | |
951 | ||
26349b2e NH |
952 | in_buffer.size = 4096; |
953 | in_data = xmalloc(in_buffer.size); | |
954 | in_buffer.posn = 0; | |
955 | in_buffer.buffer = in_data; | |
956 | ||
75187c9d | 957 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
958 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
959 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
960 | ||
961 | slot = get_active_slot(); | |
baa7b67d | 962 | slot->results = &results; |
58e60dd2 NH |
963 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
964 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
965 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e | 966 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
29508e1e | 967 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
968 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
969 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
970 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
971 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
972 | ||
aa1dbc98 NH |
973 | lock = xcalloc(1, sizeof(*lock)); |
974 | lock->owner = NULL; | |
975 | lock->token = NULL; | |
976 | lock->timeout = -1; | |
977 | lock->refreshing = 0; | |
acf59575 | 978 | |
58e60dd2 NH |
979 | if (start_active_slot(slot)) { |
980 | run_active_slot(slot); | |
baa7b67d | 981 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
982 | ctx.name = xcalloc(10, 1); |
983 | ctx.len = 0; | |
984 | ctx.cdata = NULL; | |
985 | ctx.userFunc = handle_new_lock_ctx; | |
aa1dbc98 | 986 | ctx.userData = lock; |
acf59575 NH |
987 | XML_SetUserData(parser, &ctx); |
988 | XML_SetElementHandler(parser, xml_start_tag, | |
989 | xml_end_tag); | |
990 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
991 | result = XML_Parse(parser, in_buffer.buffer, | |
992 | in_buffer.posn, 1); | |
993 | free(ctx.name); | |
994 | if (result != XML_STATUS_OK) { | |
995 | fprintf(stderr, "XML error: %s\n", | |
996 | XML_ErrorString( | |
997 | XML_GetErrorCode(parser))); | |
aa1dbc98 | 998 | lock->timeout = -1; |
acf59575 | 999 | } |
58e60dd2 NH |
1000 | } |
1001 | } else { | |
58e60dd2 NH |
1002 | fprintf(stderr, "Unable to start request\n"); |
1003 | } | |
1004 | ||
acf59575 | 1005 | curl_slist_free_all(dav_headers); |
0772b9a6 | 1006 | free(out_data); |
26349b2e | 1007 | free(in_data); |
26349b2e | 1008 | |
aa1dbc98 NH |
1009 | if (lock->token == NULL || lock->timeout <= 0) { |
1010 | if (lock->token != NULL) | |
1011 | free(lock->token); | |
1012 | if (lock->owner != NULL) | |
1013 | free(lock->owner); | |
75187c9d | 1014 | free(url); |
aa1dbc98 NH |
1015 | free(lock); |
1016 | lock = NULL; | |
acf59575 | 1017 | } else { |
aa1dbc98 NH |
1018 | lock->url = url; |
1019 | lock->active = 1; | |
1020 | lock->start_time = time(NULL); | |
1021 | lock->next = remote_locks; | |
1022 | remote_locks = lock; | |
26349b2e NH |
1023 | } |
1024 | ||
aa1dbc98 | 1025 | return lock; |
58e60dd2 NH |
1026 | } |
1027 | ||
aa1dbc98 | 1028 | static int unlock_remote(struct remote_lock *lock) |
58e60dd2 NH |
1029 | { |
1030 | struct active_request_slot *slot; | |
baa7b67d | 1031 | struct slot_results results; |
58e60dd2 NH |
1032 | char *lock_token_header; |
1033 | struct curl_slist *dav_headers = NULL; | |
1034 | int rc = 0; | |
1035 | ||
26349b2e | 1036 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1037 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1038 | lock->token); |
58e60dd2 NH |
1039 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1040 | ||
1041 | slot = get_active_slot(); | |
baa7b67d | 1042 | slot->results = &results; |
58e60dd2 | 1043 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); |
75187c9d | 1044 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1045 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1046 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1047 | ||
1048 | if (start_active_slot(slot)) { | |
1049 | run_active_slot(slot); | |
baa7b67d | 1050 | if (results.curl_result == CURLE_OK) |
58e60dd2 NH |
1051 | rc = 1; |
1052 | else | |
1053 | fprintf(stderr, "Got HTTP error %ld\n", | |
baa7b67d | 1054 | results.http_code); |
58e60dd2 NH |
1055 | } else { |
1056 | fprintf(stderr, "Unable to start request\n"); | |
1057 | } | |
1058 | ||
1059 | curl_slist_free_all(dav_headers); | |
1060 | free(lock_token_header); | |
75187c9d | 1061 | |
aa1dbc98 | 1062 | lock->active = 0; |
58e60dd2 NH |
1063 | |
1064 | return rc; | |
1065 | } | |
1066 | ||
3030baa7 NH |
1067 | static void remote_ls(const char *path, int flags, |
1068 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1069 | void *userData); | |
aa1dbc98 | 1070 | |
3030baa7 NH |
1071 | static void process_ls_object(struct remote_ls_ctx *ls) |
1072 | { | |
1073 | unsigned int *parent = (unsigned int *)ls->userData; | |
1074 | char *path = ls->dentry_name; | |
1075 | char *obj_hex; | |
aa1dbc98 | 1076 | |
3030baa7 NH |
1077 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { |
1078 | remote_dir_exists[*parent] = 1; | |
1079 | return; | |
1080 | } | |
aa1dbc98 | 1081 | |
3030baa7 NH |
1082 | if (strlen(path) != 49) |
1083 | return; | |
1084 | path += 8; | |
1085 | obj_hex = xmalloc(strlen(path)); | |
1086 | strncpy(obj_hex, path, 2); | |
1087 | strcpy(obj_hex + 2, path + 3); | |
1088 | one_remote_object(obj_hex); | |
1089 | free(obj_hex); | |
1090 | } | |
aa1dbc98 | 1091 | |
3030baa7 NH |
1092 | static void process_ls_ref(struct remote_ls_ctx *ls) |
1093 | { | |
1094 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1095 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1096 | return; | |
1097 | } | |
aa1dbc98 | 1098 | |
3030baa7 NH |
1099 | if (!(ls->dentry_flags & IS_DIR)) |
1100 | one_remote_ref(ls->dentry_name); | |
1101 | } | |
aa1dbc98 | 1102 | |
3030baa7 NH |
1103 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) |
1104 | { | |
1105 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
aa1dbc98 | 1106 | |
3030baa7 NH |
1107 | if (tag_closed) { |
1108 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1109 | if (ls->dentry_flags & IS_DIR) { | |
1110 | if (ls->flags & PROCESS_DIRS) { | |
1111 | ls->userFunc(ls); | |
1112 | } | |
1113 | if (strcmp(ls->dentry_name, ls->path) && | |
1114 | ls->flags & RECURSIVE) { | |
1115 | remote_ls(ls->dentry_name, | |
1116 | ls->flags, | |
1117 | ls->userFunc, | |
1118 | ls->userData); | |
1119 | } | |
1120 | } else if (ls->flags & PROCESS_FILES) { | |
1121 | ls->userFunc(ls); | |
aa1dbc98 | 1122 | } |
3030baa7 NH |
1123 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { |
1124 | ls->dentry_name = xmalloc(strlen(ctx->cdata) - | |
1125 | remote->path_len + 1); | |
1126 | strcpy(ls->dentry_name, ctx->cdata + remote->path_len); | |
1127 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1128 | ls->dentry_flags |= IS_DIR; | |
aa1dbc98 | 1129 | } |
3030baa7 NH |
1130 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { |
1131 | if (ls->dentry_name) { | |
1132 | free(ls->dentry_name); | |
1133 | } | |
1134 | ls->dentry_name = NULL; | |
1135 | ls->dentry_flags = 0; | |
aa1dbc98 | 1136 | } |
aa1dbc98 NH |
1137 | } |
1138 | ||
3030baa7 NH |
1139 | static void remote_ls(const char *path, int flags, |
1140 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1141 | void *userData) | |
aa1dbc98 | 1142 | { |
3030baa7 | 1143 | char *url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
aa1dbc98 | 1144 | struct active_request_slot *slot; |
baa7b67d | 1145 | struct slot_results results; |
aa1dbc98 NH |
1146 | struct buffer in_buffer; |
1147 | struct buffer out_buffer; | |
1148 | char *in_data; | |
1149 | char *out_data; | |
1150 | XML_Parser parser = XML_ParserCreate(NULL); | |
1151 | enum XML_Status result; | |
1152 | struct curl_slist *dav_headers = NULL; | |
1153 | struct xml_ctx ctx; | |
3030baa7 NH |
1154 | struct remote_ls_ctx ls; |
1155 | ||
1156 | ls.flags = flags; | |
1157 | ls.path = strdup(path); | |
1158 | ls.dentry_name = NULL; | |
1159 | ls.dentry_flags = 0; | |
1160 | ls.userData = userData; | |
1161 | ls.userFunc = userFunc; | |
aa1dbc98 | 1162 | |
aa1dbc98 NH |
1163 | sprintf(url, "%s%s", remote->url, path); |
1164 | ||
1165 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1166 | out_data = xmalloc(out_buffer.size + 1); | |
1167 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1168 | out_buffer.posn = 0; | |
1169 | out_buffer.buffer = out_data; | |
1170 | ||
1171 | in_buffer.size = 4096; | |
1172 | in_data = xmalloc(in_buffer.size); | |
1173 | in_buffer.posn = 0; | |
1174 | in_buffer.buffer = in_data; | |
1175 | ||
1176 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1177 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1178 | ||
1179 | slot = get_active_slot(); | |
baa7b67d | 1180 | slot->results = &results; |
aa1dbc98 NH |
1181 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1182 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1183 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1184 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1185 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1186 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1187 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1188 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1189 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1190 | ||
1191 | if (start_active_slot(slot)) { | |
1192 | run_active_slot(slot); | |
baa7b67d | 1193 | if (results.curl_result == CURLE_OK) { |
aa1dbc98 NH |
1194 | ctx.name = xcalloc(10, 1); |
1195 | ctx.len = 0; | |
1196 | ctx.cdata = NULL; | |
3030baa7 NH |
1197 | ctx.userFunc = handle_remote_ls_ctx; |
1198 | ctx.userData = &ls; | |
aa1dbc98 NH |
1199 | XML_SetUserData(parser, &ctx); |
1200 | XML_SetElementHandler(parser, xml_start_tag, | |
1201 | xml_end_tag); | |
1202 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1203 | result = XML_Parse(parser, in_buffer.buffer, | |
1204 | in_buffer.posn, 1); | |
1205 | free(ctx.name); | |
1206 | ||
1207 | if (result != XML_STATUS_OK) { | |
1208 | fprintf(stderr, "XML error: %s\n", | |
1209 | XML_ErrorString( | |
1210 | XML_GetErrorCode(parser))); | |
1211 | } | |
aa1dbc98 NH |
1212 | } |
1213 | } else { | |
3030baa7 | 1214 | fprintf(stderr, "Unable to start PROPFIND request\n"); |
aa1dbc98 NH |
1215 | } |
1216 | ||
3030baa7 | 1217 | free(ls.path); |
aa1dbc98 NH |
1218 | free(url); |
1219 | free(out_data); | |
1220 | free(in_buffer.buffer); | |
1221 | curl_slist_free_all(dav_headers); | |
1222 | } | |
1223 | ||
3030baa7 NH |
1224 | static void get_remote_object_list(unsigned char parent) |
1225 | { | |
1226 | char path[] = "objects/XX/"; | |
1227 | static const char hex[] = "0123456789abcdef"; | |
1228 | unsigned int val = parent; | |
1229 | ||
1230 | path[8] = hex[val >> 4]; | |
1231 | path[9] = hex[val & 0xf]; | |
1232 | remote_dir_exists[val] = 0; | |
1233 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1234 | process_ls_object, &val); | |
1235 | } | |
1236 | ||
acf59575 | 1237 | static int locking_available(void) |
58e60dd2 NH |
1238 | { |
1239 | struct active_request_slot *slot; | |
baa7b67d | 1240 | struct slot_results results; |
58e60dd2 NH |
1241 | struct buffer in_buffer; |
1242 | struct buffer out_buffer; | |
1243 | char *in_data; | |
1244 | char *out_data; | |
1245 | XML_Parser parser = XML_ParserCreate(NULL); | |
1246 | enum XML_Status result; | |
58e60dd2 | 1247 | struct curl_slist *dav_headers = NULL; |
acf59575 NH |
1248 | struct xml_ctx ctx; |
1249 | int lock_flags = 0; | |
58e60dd2 | 1250 | |
aa1dbc98 NH |
1251 | out_buffer.size = |
1252 | strlen(PROPFIND_SUPPORTEDLOCK_REQUEST) + | |
1253 | strlen(remote->url) - 2; | |
58e60dd2 | 1254 | out_data = xmalloc(out_buffer.size + 1); |
aa1dbc98 NH |
1255 | snprintf(out_data, out_buffer.size + 1, |
1256 | PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url); | |
58e60dd2 NH |
1257 | out_buffer.posn = 0; |
1258 | out_buffer.buffer = out_data; | |
1259 | ||
1260 | in_buffer.size = 4096; | |
1261 | in_data = xmalloc(in_buffer.size); | |
1262 | in_buffer.posn = 0; | |
1263 | in_buffer.buffer = in_data; | |
1264 | ||
1265 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1266 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
baa7b67d | 1267 | |
58e60dd2 | 1268 | slot = get_active_slot(); |
baa7b67d | 1269 | slot->results = &results; |
58e60dd2 NH |
1270 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1271 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1272 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1273 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
29508e1e | 1274 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1275 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); |
1276 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1277 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1278 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1279 | ||
1280 | if (start_active_slot(slot)) { | |
1281 | run_active_slot(slot); | |
baa7b67d | 1282 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1283 | ctx.name = xcalloc(10, 1); |
1284 | ctx.len = 0; | |
1285 | ctx.cdata = NULL; | |
1286 | ctx.userFunc = handle_lockprop_ctx; | |
1287 | ctx.userData = &lock_flags; | |
1288 | XML_SetUserData(parser, &ctx); | |
1289 | XML_SetElementHandler(parser, xml_start_tag, | |
1290 | xml_end_tag); | |
1291 | result = XML_Parse(parser, in_buffer.buffer, | |
1292 | in_buffer.posn, 1); | |
1293 | free(ctx.name); | |
1294 | ||
1295 | if (result != XML_STATUS_OK) { | |
1296 | fprintf(stderr, "XML error: %s\n", | |
1297 | XML_ErrorString( | |
1298 | XML_GetErrorCode(parser))); | |
1299 | lock_flags = 0; | |
1300 | } | |
58e60dd2 | 1301 | } |
58e60dd2 | 1302 | } else { |
acf59575 | 1303 | fprintf(stderr, "Unable to start request\n"); |
58e60dd2 NH |
1304 | } |
1305 | ||
acf59575 NH |
1306 | free(out_data); |
1307 | free(in_buffer.buffer); | |
1308 | curl_slist_free_all(dav_headers); | |
1309 | ||
1310 | return lock_flags; | |
58e60dd2 NH |
1311 | } |
1312 | ||
aa1dbc98 NH |
1313 | static struct object_list **process_blob(struct blob *blob, |
1314 | struct object_list **p, | |
1315 | struct name_path *path, | |
1316 | const char *name) | |
58e60dd2 | 1317 | { |
aa1dbc98 | 1318 | struct object *obj = &blob->object; |
58e60dd2 | 1319 | |
aa1dbc98 NH |
1320 | obj->flags |= LOCAL; |
1321 | ||
1322 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1323 | return p; | |
1324 | ||
1325 | obj->flags |= SEEN; | |
1326 | return add_object(obj, p, path, name); | |
1327 | } | |
1328 | ||
1329 | static struct object_list **process_tree(struct tree *tree, | |
1330 | struct object_list **p, | |
1331 | struct name_path *path, | |
1332 | const char *name) | |
1333 | { | |
1334 | struct object *obj = &tree->object; | |
1335 | struct tree_entry_list *entry; | |
1336 | struct name_path me; | |
1337 | ||
1338 | obj->flags |= LOCAL; | |
1339 | ||
1340 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1341 | return p; | |
1342 | if (parse_tree(tree) < 0) | |
1343 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1344 | ||
1345 | obj->flags |= SEEN; | |
1346 | p = add_object(obj, p, NULL, name); | |
1347 | me.up = path; | |
1348 | me.elem = name; | |
1349 | me.elem_len = strlen(name); | |
1350 | entry = tree->entries; | |
1351 | tree->entries = NULL; | |
1352 | while (entry) { | |
1353 | struct tree_entry_list *next = entry->next; | |
1354 | if (entry->directory) | |
1355 | p = process_tree(entry->item.tree, p, &me, entry->name); | |
1356 | else | |
1357 | p = process_blob(entry->item.blob, p, &me, entry->name); | |
1358 | free(entry); | |
1359 | entry = next; | |
58e60dd2 | 1360 | } |
aa1dbc98 | 1361 | return p; |
58e60dd2 NH |
1362 | } |
1363 | ||
aa1dbc98 | 1364 | static void get_delta(struct rev_info *revs, struct remote_lock *lock) |
58e60dd2 NH |
1365 | { |
1366 | struct commit *commit; | |
aa1dbc98 | 1367 | struct object_list **p = &objects, *pending; |
58e60dd2 | 1368 | |
aa1dbc98 NH |
1369 | while ((commit = get_revision(revs)) != NULL) { |
1370 | p = process_tree(commit->tree, p, NULL, ""); | |
1371 | commit->object.flags |= LOCAL; | |
1372 | if (!(commit->object.flags & UNINTERESTING)) | |
1373 | add_request(&commit->object, lock); | |
1374 | } | |
58e60dd2 | 1375 | |
aa1dbc98 NH |
1376 | for (pending = revs->pending_objects; pending; pending = pending->next) { |
1377 | struct object *obj = pending->item; | |
1378 | const char *name = pending->name; | |
58e60dd2 | 1379 | |
aa1dbc98 NH |
1380 | if (obj->flags & (UNINTERESTING | SEEN)) |
1381 | continue; | |
1382 | if (obj->type == tag_type) { | |
1383 | obj->flags |= SEEN; | |
1384 | p = add_object(obj, p, NULL, name); | |
1385 | continue; | |
58e60dd2 | 1386 | } |
aa1dbc98 NH |
1387 | if (obj->type == tree_type) { |
1388 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1389 | continue; | |
58e60dd2 | 1390 | } |
aa1dbc98 NH |
1391 | if (obj->type == blob_type) { |
1392 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1393 | continue; | |
58e60dd2 | 1394 | } |
aa1dbc98 NH |
1395 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); |
1396 | } | |
1397 | ||
1398 | while (objects) { | |
1399 | if (!(objects->item->flags & UNINTERESTING)) | |
1400 | add_request(objects->item, lock); | |
1401 | objects = objects->next; | |
58e60dd2 NH |
1402 | } |
1403 | } | |
1404 | ||
aa1dbc98 | 1405 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) |
58e60dd2 NH |
1406 | { |
1407 | struct active_request_slot *slot; | |
baa7b67d | 1408 | struct slot_results results; |
58e60dd2 NH |
1409 | char *out_data; |
1410 | char *if_header; | |
1411 | struct buffer out_buffer; | |
1412 | struct curl_slist *dav_headers = NULL; | |
1413 | int i; | |
1414 | ||
26349b2e NH |
1415 | if_header = xmalloc(strlen(lock->token) + 25); |
1416 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1417 | dav_headers = curl_slist_append(dav_headers, if_header); |
1418 | ||
1419 | out_buffer.size = 41; | |
1420 | out_data = xmalloc(out_buffer.size + 1); | |
1421 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1422 | if (i != out_buffer.size) { | |
1423 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1424 | return 0; | |
1425 | } | |
1426 | out_buffer.posn = 0; | |
1427 | out_buffer.buffer = out_data; | |
1428 | ||
1429 | slot = get_active_slot(); | |
baa7b67d | 1430 | slot->results = &results; |
58e60dd2 NH |
1431 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1432 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1433 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1434 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1435 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1436 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1437 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1438 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1439 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1440 | |
1441 | if (start_active_slot(slot)) { | |
1442 | run_active_slot(slot); | |
1443 | free(out_data); | |
1444 | free(if_header); | |
baa7b67d | 1445 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1446 | fprintf(stderr, |
1447 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
baa7b67d | 1448 | results.curl_result, results.http_code); |
58e60dd2 NH |
1449 | /* We should attempt recovery? */ |
1450 | return 0; | |
1451 | } | |
1452 | } else { | |
1453 | free(out_data); | |
1454 | free(if_header); | |
58e60dd2 NH |
1455 | fprintf(stderr, "Unable to start PUT request\n"); |
1456 | return 0; | |
1457 | } | |
1458 | ||
1459 | return 1; | |
1460 | } | |
1461 | ||
aa1dbc98 NH |
1462 | static struct ref *local_refs, **local_tail; |
1463 | static struct ref *remote_refs, **remote_tail; | |
1464 | ||
1465 | static int one_local_ref(const char *refname, const unsigned char *sha1) | |
1466 | { | |
1467 | struct ref *ref; | |
1468 | int len = strlen(refname) + 1; | |
1469 | ref = xcalloc(1, sizeof(*ref) + len); | |
1470 | memcpy(ref->new_sha1, sha1, 20); | |
1471 | memcpy(ref->name, refname, len); | |
1472 | *local_tail = ref; | |
1473 | local_tail = &ref->next; | |
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | static void one_remote_ref(char *refname) | |
1478 | { | |
1479 | struct ref *ref; | |
1480 | unsigned char remote_sha1[20]; | |
1481 | ||
1482 | if (fetch_ref(refname, remote_sha1) != 0) { | |
1483 | fprintf(stderr, | |
1484 | "Unable to fetch ref %s from %s\n", | |
1485 | refname, remote->url); | |
1486 | return; | |
1487 | } | |
1488 | ||
1489 | int len = strlen(refname) + 1; | |
1490 | ref = xcalloc(1, sizeof(*ref) + len); | |
1491 | memcpy(ref->old_sha1, remote_sha1, 20); | |
1492 | memcpy(ref->name, refname, len); | |
1493 | *remote_tail = ref; | |
1494 | remote_tail = &ref->next; | |
1495 | } | |
1496 | ||
1497 | static void get_local_heads(void) | |
1498 | { | |
1499 | local_tail = &local_refs; | |
1500 | for_each_ref(one_local_ref); | |
1501 | } | |
1502 | ||
1503 | static void get_dav_remote_heads(void) | |
1504 | { | |
1505 | remote_tail = &remote_refs; | |
3030baa7 | 1506 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); |
aa1dbc98 NH |
1507 | } |
1508 | ||
1509 | static int is_zero_sha1(const unsigned char *sha1) | |
1510 | { | |
1511 | int i; | |
1512 | ||
1513 | for (i = 0; i < 20; i++) { | |
1514 | if (*sha1++) | |
1515 | return 0; | |
1516 | } | |
1517 | return 1; | |
1518 | } | |
1519 | ||
1520 | static void unmark_and_free(struct commit_list *list, unsigned int mark) | |
1521 | { | |
1522 | while (list) { | |
1523 | struct commit_list *temp = list; | |
1524 | temp->item->object.flags &= ~mark; | |
1525 | list = temp->next; | |
1526 | free(temp); | |
1527 | } | |
1528 | } | |
1529 | ||
1530 | static int ref_newer(const unsigned char *new_sha1, | |
1531 | const unsigned char *old_sha1) | |
1532 | { | |
1533 | struct object *o; | |
1534 | struct commit *old, *new; | |
1535 | struct commit_list *list, *used; | |
1536 | int found = 0; | |
1537 | ||
1538 | /* Both new and old must be commit-ish and new is descendant of | |
1539 | * old. Otherwise we require --force. | |
1540 | */ | |
1541 | o = deref_tag(parse_object(old_sha1), NULL, 0); | |
1542 | if (!o || o->type != commit_type) | |
1543 | return 0; | |
1544 | old = (struct commit *) o; | |
1545 | ||
1546 | o = deref_tag(parse_object(new_sha1), NULL, 0); | |
1547 | if (!o || o->type != commit_type) | |
1548 | return 0; | |
1549 | new = (struct commit *) o; | |
1550 | ||
1551 | if (parse_commit(new) < 0) | |
1552 | return 0; | |
1553 | ||
1554 | used = list = NULL; | |
1555 | commit_list_insert(new, &list); | |
1556 | while (list) { | |
1557 | new = pop_most_recent_commit(&list, TMP_MARK); | |
1558 | commit_list_insert(new, &used); | |
1559 | if (new == old) { | |
1560 | found = 1; | |
1561 | break; | |
1562 | } | |
1563 | } | |
1564 | unmark_and_free(list, TMP_MARK); | |
1565 | unmark_and_free(used, TMP_MARK); | |
1566 | return found; | |
1567 | } | |
1568 | ||
1569 | static void mark_edge_parents_uninteresting(struct commit *commit) | |
1570 | { | |
1571 | struct commit_list *parents; | |
1572 | ||
1573 | for (parents = commit->parents; parents; parents = parents->next) { | |
1574 | struct commit *parent = parents->item; | |
1575 | if (!(parent->object.flags & UNINTERESTING)) | |
1576 | continue; | |
1577 | mark_tree_uninteresting(parent->tree); | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | static void mark_edges_uninteresting(struct commit_list *list) | |
1582 | { | |
1583 | for ( ; list; list = list->next) { | |
1584 | struct commit *commit = list->item; | |
1585 | ||
1586 | if (commit->object.flags & UNINTERESTING) { | |
1587 | mark_tree_uninteresting(commit->tree); | |
1588 | continue; | |
1589 | } | |
1590 | mark_edge_parents_uninteresting(commit); | |
1591 | } | |
1592 | } | |
1593 | ||
58e60dd2 NH |
1594 | int main(int argc, char **argv) |
1595 | { | |
58e60dd2 NH |
1596 | struct transfer_request *request; |
1597 | struct transfer_request *next_request; | |
1598 | int nr_refspec = 0; | |
1599 | char **refspec = NULL; | |
aa1dbc98 NH |
1600 | struct remote_lock *ref_lock; |
1601 | struct rev_info revs; | |
58e60dd2 NH |
1602 | int rc = 0; |
1603 | int i; | |
1604 | ||
5a327713 | 1605 | setup_git_directory(); |
58e60dd2 NH |
1606 | setup_ident(); |
1607 | ||
1608 | remote = xmalloc(sizeof(*remote)); | |
1609 | remote->url = NULL; | |
aa1dbc98 | 1610 | remote->path_len = 0; |
58e60dd2 NH |
1611 | remote->packs = NULL; |
1612 | ||
1613 | argv++; | |
1614 | for (i = 1; i < argc; i++, argv++) { | |
1615 | char *arg = *argv; | |
1616 | ||
1617 | if (*arg == '-') { | |
aa1dbc98 | 1618 | if (!strcmp(arg, "--all")) { |
58e60dd2 NH |
1619 | push_all = 1; |
1620 | continue; | |
1621 | } | |
1622 | if (!strcmp(arg, "--force")) { | |
1623 | force_all = 1; | |
1624 | continue; | |
1625 | } | |
1626 | if (!strcmp(arg, "--verbose")) { | |
1627 | push_verbosely = 1; | |
1628 | continue; | |
1629 | } | |
1630 | usage(http_push_usage); | |
1631 | } | |
1632 | if (!remote->url) { | |
1633 | remote->url = arg; | |
aa1dbc98 NH |
1634 | char *path = strstr(arg, "//"); |
1635 | if (path) { | |
1636 | path = index(path+2, '/'); | |
1637 | if (path) | |
1638 | remote->path_len = strlen(path); | |
1639 | } | |
58e60dd2 NH |
1640 | continue; |
1641 | } | |
1642 | refspec = argv; | |
1643 | nr_refspec = argc - i; | |
1644 | break; | |
1645 | } | |
1646 | ||
3e9fabc8 NH |
1647 | if (!remote->url) |
1648 | usage(http_push_usage); | |
1649 | ||
aa1dbc98 | 1650 | memset(remote_dir_exists, -1, 256); |
0dd276b8 | 1651 | |
29508e1e | 1652 | http_init(); |
58e60dd2 NH |
1653 | |
1654 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
1655 | default_headers = curl_slist_append(default_headers, "Range:"); | |
1656 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
1657 | default_headers = curl_slist_append(default_headers, "If:"); | |
1658 | default_headers = curl_slist_append(default_headers, | |
1659 | "Pragma: no-cache"); | |
1660 | ||
58e60dd2 | 1661 | /* Verify DAV compliance/lock support */ |
acf59575 | 1662 | if (!locking_available()) { |
58e60dd2 NH |
1663 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); |
1664 | rc = 1; | |
1665 | goto cleanup; | |
1666 | } | |
1667 | ||
aa1dbc98 NH |
1668 | /* Get a list of all local and remote heads to validate refspecs */ |
1669 | get_local_heads(); | |
1670 | fprintf(stderr, "Fetching remote heads...\n"); | |
1671 | get_dav_remote_heads(); | |
1672 | ||
1673 | /* match them up */ | |
1674 | if (!remote_tail) | |
1675 | remote_tail = &remote_refs; | |
1676 | if (match_refs(local_refs, remote_refs, &remote_tail, | |
1677 | nr_refspec, refspec, push_all)) | |
1678 | return -1; | |
1679 | if (!remote_refs) { | |
1680 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | int ret = 0; | |
1685 | int new_refs = 0; | |
1686 | struct ref *ref; | |
1687 | for (ref = remote_refs; ref; ref = ref->next) { | |
1688 | char old_hex[60], *new_hex; | |
1689 | if (!ref->peer_ref) | |
1690 | continue; | |
1691 | if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) { | |
1692 | if (push_verbosely || 1) | |
1693 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1694 | continue; | |
1695 | } | |
1696 | ||
1697 | if (!force_all && | |
1698 | !is_zero_sha1(ref->old_sha1) && | |
1699 | !ref->force) { | |
1700 | if (!has_sha1_file(ref->old_sha1) || | |
1701 | !ref_newer(ref->peer_ref->new_sha1, | |
1702 | ref->old_sha1)) { | |
1703 | /* We do not have the remote ref, or | |
1704 | * we know that the remote ref is not | |
1705 | * an ancestor of what we are trying to | |
1706 | * push. Either way this can be losing | |
1707 | * commits at the remote end and likely | |
1708 | * we were not up to date to begin with. | |
1709 | */ | |
1710 | error("remote '%s' is not a strict " | |
1711 | "subset of local ref '%s'. " | |
1712 | "maybe you are not up-to-date and " | |
1713 | "need to pull first?", | |
1714 | ref->name, | |
1715 | ref->peer_ref->name); | |
1716 | ret = -2; | |
1717 | continue; | |
1718 | } | |
58e60dd2 | 1719 | } |
aa1dbc98 NH |
1720 | memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20); |
1721 | if (is_zero_sha1(ref->new_sha1)) { | |
1722 | error("cannot happen anymore"); | |
1723 | ret = -3; | |
1724 | continue; | |
58e60dd2 | 1725 | } |
aa1dbc98 NH |
1726 | new_refs++; |
1727 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
1728 | new_hex = sha1_to_hex(ref->new_sha1); | |
1729 | ||
1730 | fprintf(stderr, "updating '%s'", ref->name); | |
1731 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1732 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1733 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
1734 | ||
58e60dd2 NH |
1735 | |
1736 | /* Lock remote branch ref */ | |
aa1dbc98 NH |
1737 | ref_lock = lock_remote(ref->name, LOCK_TIME); |
1738 | if (ref_lock == NULL) { | |
58e60dd2 | 1739 | fprintf(stderr, "Unable to lock remote branch %s\n", |
aa1dbc98 | 1740 | ref->name); |
58e60dd2 NH |
1741 | rc = 1; |
1742 | continue; | |
1743 | } | |
1744 | ||
aa1dbc98 | 1745 | /* Set up revision info for this refspec */ |
5241bfe6 NH |
1746 | const char *commit_argv[4]; |
1747 | int commit_argc = 3; | |
aa1dbc98 NH |
1748 | char *new_sha1_hex = strdup(sha1_to_hex(ref->new_sha1)); |
1749 | char *old_sha1_hex = NULL; | |
5241bfe6 NH |
1750 | commit_argv[1] = "--objects"; |
1751 | commit_argv[2] = new_sha1_hex; | |
aa1dbc98 NH |
1752 | if (!push_all && !is_zero_sha1(ref->old_sha1)) { |
1753 | old_sha1_hex = xmalloc(42); | |
1754 | sprintf(old_sha1_hex, "^%s", | |
1755 | sha1_to_hex(ref->old_sha1)); | |
5241bfe6 | 1756 | commit_argv[3] = old_sha1_hex; |
aa1dbc98 | 1757 | commit_argc++; |
58e60dd2 | 1758 | } |
aa1dbc98 | 1759 | setup_revisions(commit_argc, commit_argv, &revs, NULL); |
aa1dbc98 NH |
1760 | free(new_sha1_hex); |
1761 | if (old_sha1_hex) { | |
1762 | free(old_sha1_hex); | |
1763 | commit_argv[1] = NULL; | |
58e60dd2 NH |
1764 | } |
1765 | ||
aa1dbc98 | 1766 | /* Generate a list of objects that need to be pushed */ |
58e60dd2 | 1767 | pushing = 0; |
aa1dbc98 NH |
1768 | prepare_revision_walk(&revs); |
1769 | mark_edges_uninteresting(revs.commits); | |
1770 | fetch_indices(); | |
1771 | get_delta(&revs, ref_lock); | |
29508e1e | 1772 | finish_all_active_slots(); |
58e60dd2 NH |
1773 | |
1774 | /* Push missing objects to remote, this would be a | |
1775 | convenient time to pack them first if appropriate. */ | |
1776 | pushing = 1; | |
29508e1e NH |
1777 | fill_active_slots(); |
1778 | finish_all_active_slots(); | |
58e60dd2 NH |
1779 | |
1780 | /* Update the remote branch if all went well */ | |
aa1dbc98 NH |
1781 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) { |
1782 | rc = 1; | |
1783 | goto unlock; | |
58e60dd2 NH |
1784 | } |
1785 | ||
1786 | unlock: | |
aa1dbc98 NH |
1787 | if (!rc) |
1788 | fprintf(stderr, " done\n"); | |
1789 | unlock_remote(ref_lock); | |
58e60dd2 NH |
1790 | } |
1791 | ||
1792 | cleanup: | |
1793 | free(remote); | |
1794 | ||
1795 | curl_slist_free_all(no_pragma_header); | |
1796 | curl_slist_free_all(default_headers); | |
1797 | ||
29508e1e | 1798 | http_cleanup(); |
58e60dd2 NH |
1799 | |
1800 | request = request_queue_head; | |
1801 | while (request != NULL) { | |
1802 | next_request = request->next; | |
1803 | release_request(request); | |
58e60dd2 NH |
1804 | request = next_request; |
1805 | } | |
1806 | ||
58e60dd2 NH |
1807 | return rc; |
1808 | } |