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Commit | Line | Data |
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a2d725b7 DB |
1 | #include "cache.h" |
2 | #include "remote.h" | |
3 | #include "strbuf.h" | |
4 | #include "walker.h" | |
5 | #include "http.h" | |
d01a8e32 | 6 | #include "exec_cmd.h" |
ae4efe19 | 7 | #include "run-command.h" |
97cc7bc4 | 8 | #include "pkt-line.h" |
05c1eb10 | 9 | #include "string-list.h" |
de1a2fdd | 10 | #include "sideband.h" |
222b1212 | 11 | #include "argv-array.h" |
2501aff8 | 12 | #include "credential.h" |
16094885 | 13 | #include "sha1-array.h" |
a2d725b7 | 14 | |
37a8768f | 15 | static struct remote *remote; |
b227bbc4 JK |
16 | /* always ends with a trailing slash */ |
17 | static struct strbuf url = STRBUF_INIT; | |
37a8768f | 18 | |
ef08ef9e SP |
19 | struct options { |
20 | int verbosity; | |
21 | unsigned long depth; | |
22 | unsigned progress : 1, | |
9ba38048 | 23 | check_self_contained_and_connected : 1, |
16094885 NTND |
24 | cloning : 1, |
25 | update_shallow : 1, | |
ae4efe19 | 26 | followtags : 1, |
de1a2fdd SP |
27 | dry_run : 1, |
28 | thin : 1; | |
ef08ef9e SP |
29 | }; |
30 | static struct options options; | |
05c1eb10 | 31 | static struct string_list cas_options = STRING_LIST_INIT_DUP; |
ef08ef9e | 32 | |
ef08ef9e SP |
33 | static int set_option(const char *name, const char *value) |
34 | { | |
35 | if (!strcmp(name, "verbosity")) { | |
36 | char *end; | |
37 | int v = strtol(value, &end, 10); | |
38 | if (value == end || *end) | |
39 | return -1; | |
40 | options.verbosity = v; | |
41 | return 0; | |
42 | } | |
43 | else if (!strcmp(name, "progress")) { | |
44 | if (!strcmp(value, "true")) | |
45 | options.progress = 1; | |
46 | else if (!strcmp(value, "false")) | |
47 | options.progress = 0; | |
48 | else | |
49 | return -1; | |
249b2004 | 50 | return 0; |
ef08ef9e SP |
51 | } |
52 | else if (!strcmp(name, "depth")) { | |
53 | char *end; | |
54 | unsigned long v = strtoul(value, &end, 10); | |
55 | if (value == end || *end) | |
56 | return -1; | |
57 | options.depth = v; | |
249b2004 | 58 | return 0; |
ef08ef9e SP |
59 | } |
60 | else if (!strcmp(name, "followtags")) { | |
61 | if (!strcmp(value, "true")) | |
62 | options.followtags = 1; | |
63 | else if (!strcmp(value, "false")) | |
64 | options.followtags = 0; | |
65 | else | |
66 | return -1; | |
249b2004 | 67 | return 0; |
ef08ef9e | 68 | } |
ae4efe19 SP |
69 | else if (!strcmp(name, "dry-run")) { |
70 | if (!strcmp(value, "true")) | |
71 | options.dry_run = 1; | |
72 | else if (!strcmp(value, "false")) | |
73 | options.dry_run = 0; | |
74 | else | |
75 | return -1; | |
76 | return 0; | |
77 | } | |
9ba38048 NTND |
78 | else if (!strcmp(name, "check-connectivity")) { |
79 | if (!strcmp(value, "true")) | |
80 | options.check_self_contained_and_connected = 1; | |
81 | else if (!strcmp(value, "false")) | |
82 | options.check_self_contained_and_connected = 0; | |
83 | else | |
84 | return -1; | |
85 | return 0; | |
86 | } | |
05c1eb10 JH |
87 | else if (!strcmp(name, "cas")) { |
88 | struct strbuf val = STRBUF_INIT; | |
89 | strbuf_addf(&val, "--" CAS_OPT_NAME "=%s", value); | |
90 | string_list_append(&cas_options, val.buf); | |
91 | strbuf_release(&val); | |
92 | return 0; | |
16094885 NTND |
93 | } else if (!strcmp(name, "cloning")) { |
94 | if (!strcmp(value, "true")) | |
95 | options.cloning = 1; | |
96 | else if (!strcmp(value, "false")) | |
97 | options.cloning = 0; | |
98 | else | |
99 | return -1; | |
100 | return 0; | |
101 | } else if (!strcmp(name, "update-shallow")) { | |
102 | if (!strcmp(value, "true")) | |
103 | options.update_shallow = 1; | |
104 | else if (!strcmp(value, "false")) | |
105 | options.update_shallow = 0; | |
106 | else | |
107 | return -1; | |
108 | return 0; | |
109 | } else { | |
ef08ef9e SP |
110 | return 1 /* unsupported */; |
111 | } | |
112 | } | |
113 | ||
97cc7bc4 SP |
114 | struct discovery { |
115 | const char *service; | |
116 | char *buf_alloc; | |
117 | char *buf; | |
118 | size_t len; | |
2a455202 | 119 | struct ref *refs; |
16094885 | 120 | struct sha1_array shallow; |
97cc7bc4 SP |
121 | unsigned proto_git : 1; |
122 | }; | |
123 | static struct discovery *last_discovery; | |
124 | ||
b8054bbe JK |
125 | static struct ref *parse_git_refs(struct discovery *heads, int for_push) |
126 | { | |
127 | struct ref *list = NULL; | |
128 | get_remote_heads(-1, heads->buf, heads->len, &list, | |
16094885 | 129 | for_push ? REF_NORMAL : 0, NULL, &heads->shallow); |
b8054bbe JK |
130 | return list; |
131 | } | |
132 | ||
133 | static struct ref *parse_info_refs(struct discovery *heads) | |
134 | { | |
135 | char *data, *start, *mid; | |
136 | char *ref_name; | |
137 | int i = 0; | |
138 | ||
139 | struct ref *refs = NULL; | |
140 | struct ref *ref = NULL; | |
141 | struct ref *last_ref = NULL; | |
142 | ||
143 | data = heads->buf; | |
144 | start = NULL; | |
145 | mid = data; | |
146 | while (i < heads->len) { | |
147 | if (!start) { | |
148 | start = &data[i]; | |
149 | } | |
150 | if (data[i] == '\t') | |
151 | mid = &data[i]; | |
152 | if (data[i] == '\n') { | |
153 | if (mid - start != 40) | |
b227bbc4 JK |
154 | die("%sinfo/refs not valid: is this a git repository?", |
155 | url.buf); | |
b8054bbe JK |
156 | data[i] = 0; |
157 | ref_name = mid + 1; | |
158 | ref = xmalloc(sizeof(struct ref) + | |
159 | strlen(ref_name) + 1); | |
160 | memset(ref, 0, sizeof(struct ref)); | |
161 | strcpy(ref->name, ref_name); | |
162 | get_sha1_hex(start, ref->old_sha1); | |
163 | if (!refs) | |
164 | refs = ref; | |
165 | if (last_ref) | |
166 | last_ref->next = ref; | |
167 | last_ref = ref; | |
168 | start = NULL; | |
169 | } | |
170 | i++; | |
171 | } | |
172 | ||
173 | ref = alloc_ref("HEAD"); | |
b227bbc4 | 174 | if (!http_fetch_ref(url.buf, ref) && |
b8054bbe JK |
175 | !resolve_remote_symref(ref, refs)) { |
176 | ref->next = refs; | |
177 | refs = ref; | |
178 | } else { | |
179 | free(ref); | |
180 | } | |
181 | ||
182 | return refs; | |
183 | } | |
184 | ||
97cc7bc4 SP |
185 | static void free_discovery(struct discovery *d) |
186 | { | |
187 | if (d) { | |
188 | if (d == last_discovery) | |
189 | last_discovery = NULL; | |
16094885 | 190 | free(d->shallow.sha1); |
97cc7bc4 | 191 | free(d->buf_alloc); |
2a455202 | 192 | free_refs(d->refs); |
97cc7bc4 SP |
193 | free(d); |
194 | } | |
195 | } | |
196 | ||
426e70d4 JK |
197 | static int show_http_message(struct strbuf *type, struct strbuf *msg) |
198 | { | |
199 | const char *p, *eol; | |
200 | ||
201 | /* | |
202 | * We only show text/plain parts, as other types are likely | |
203 | * to be ugly to look at on the user's terminal. | |
204 | * | |
205 | * TODO should handle "; charset=XXX", and re-encode into | |
206 | * logoutputencoding | |
207 | */ | |
208 | if (strcasecmp(type->buf, "text/plain")) | |
209 | return -1; | |
210 | ||
211 | strbuf_trim(msg); | |
212 | if (!msg->len) | |
213 | return -1; | |
214 | ||
215 | p = msg->buf; | |
216 | do { | |
217 | eol = strchrnul(p, '\n'); | |
218 | fprintf(stderr, "remote: %.*s\n", (int)(eol - p), p); | |
219 | p = eol + 1; | |
220 | } while(*eol); | |
221 | return 0; | |
222 | } | |
223 | ||
2a455202 | 224 | static struct discovery* discover_refs(const char *service, int for_push) |
a2d725b7 | 225 | { |
4656bf47 SP |
226 | struct strbuf exp = STRBUF_INIT; |
227 | struct strbuf type = STRBUF_INIT; | |
a2d725b7 | 228 | struct strbuf buffer = STRBUF_INIT; |
c65d5692 | 229 | struct strbuf refs_url = STRBUF_INIT; |
050ef365 | 230 | struct strbuf effective_url = STRBUF_INIT; |
97cc7bc4 | 231 | struct discovery *last = last_discovery; |
243c329c | 232 | int http_ret, maybe_smart = 0; |
1bbcc224 | 233 | struct http_get_options options; |
a2d725b7 | 234 | |
97cc7bc4 SP |
235 | if (last && !strcmp(service, last->service)) |
236 | return last; | |
237 | free_discovery(last); | |
a2d725b7 | 238 | |
b227bbc4 | 239 | strbuf_addf(&refs_url, "%sinfo/refs", url.buf); |
59556548 | 240 | if ((starts_with(url.buf, "http://") || starts_with(url.buf, "https://")) && |
02572c2e | 241 | git_env_bool("GIT_SMART_HTTP", 1)) { |
243c329c | 242 | maybe_smart = 1; |
b227bbc4 | 243 | if (!strchr(url.buf, '?')) |
c65d5692 | 244 | strbuf_addch(&refs_url, '?'); |
97cc7bc4 | 245 | else |
c65d5692 JK |
246 | strbuf_addch(&refs_url, '&'); |
247 | strbuf_addf(&refs_url, "service=%s", service); | |
97cc7bc4 | 248 | } |
a2d725b7 | 249 | |
1bbcc224 JK |
250 | memset(&options, 0, sizeof(options)); |
251 | options.content_type = &type; | |
050ef365 JK |
252 | options.effective_url = &effective_url; |
253 | options.base_url = &url; | |
1bbcc224 JK |
254 | options.no_cache = 1; |
255 | options.keep_error = 1; | |
256 | ||
c65d5692 | 257 | http_ret = http_get_strbuf(refs_url.buf, &buffer, &options); |
a2d725b7 DB |
258 | switch (http_ret) { |
259 | case HTTP_OK: | |
260 | break; | |
261 | case HTTP_MISSING_TARGET: | |
cfa0f404 | 262 | show_http_message(&type, &buffer); |
b227bbc4 | 263 | die("repository '%s' not found", url.buf); |
42653c09 | 264 | case HTTP_NOAUTH: |
426e70d4 | 265 | show_http_message(&type, &buffer); |
b227bbc4 | 266 | die("Authentication failed for '%s'", url.buf); |
a2d725b7 | 267 | default: |
426e70d4 | 268 | show_http_message(&type, &buffer); |
b227bbc4 | 269 | die("unable to access '%s': %s", url.buf, curl_errorstr); |
a2d725b7 DB |
270 | } |
271 | ||
97cc7bc4 SP |
272 | last= xcalloc(1, sizeof(*last_discovery)); |
273 | last->service = service; | |
274 | last->buf_alloc = strbuf_detach(&buffer, &last->len); | |
275 | last->buf = last->buf_alloc; | |
276 | ||
4656bf47 SP |
277 | strbuf_addf(&exp, "application/x-%s-advertisement", service); |
278 | if (maybe_smart && | |
279 | (5 <= last->len && last->buf[4] == '#') && | |
280 | !strbuf_cmp(&exp, &type)) { | |
4981fe75 JK |
281 | char *line; |
282 | ||
4656bf47 SP |
283 | /* |
284 | * smart HTTP response; validate that the service | |
97cc7bc4 SP |
285 | * pkt-line matches our request. |
286 | */ | |
4981fe75 | 287 | line = packet_read_line_buf(&last->buf, &last->len, NULL); |
97cc7bc4 | 288 | |
4656bf47 | 289 | strbuf_reset(&exp); |
97cc7bc4 | 290 | strbuf_addf(&exp, "# service=%s", service); |
4981fe75 JK |
291 | if (strcmp(line, exp.buf)) |
292 | die("invalid server response; got '%s'", line); | |
97cc7bc4 SP |
293 | strbuf_release(&exp); |
294 | ||
295 | /* The header can include additional metadata lines, up | |
296 | * until a packet flush marker. Ignore these now, but | |
297 | * in the future we might start to scan them. | |
298 | */ | |
4981fe75 JK |
299 | while (packet_read_line_buf(&last->buf, &last->len, NULL)) |
300 | ; | |
97cc7bc4 SP |
301 | |
302 | last->proto_git = 1; | |
303 | } | |
304 | ||
2a455202 JK |
305 | if (last->proto_git) |
306 | last->refs = parse_git_refs(last, for_push); | |
307 | else | |
308 | last->refs = parse_info_refs(last); | |
309 | ||
c65d5692 | 310 | strbuf_release(&refs_url); |
4656bf47 SP |
311 | strbuf_release(&exp); |
312 | strbuf_release(&type); | |
050ef365 | 313 | strbuf_release(&effective_url); |
97cc7bc4 SP |
314 | strbuf_release(&buffer); |
315 | last_discovery = last; | |
316 | return last; | |
317 | } | |
318 | ||
97cc7bc4 SP |
319 | static struct ref *get_refs(int for_push) |
320 | { | |
321 | struct discovery *heads; | |
322 | ||
323 | if (for_push) | |
2a455202 | 324 | heads = discover_refs("git-receive-pack", for_push); |
97cc7bc4 | 325 | else |
2a455202 | 326 | heads = discover_refs("git-upload-pack", for_push); |
97cc7bc4 | 327 | |
2a455202 | 328 | return heads->refs; |
97cc7bc4 SP |
329 | } |
330 | ||
ae4efe19 SP |
331 | static void output_refs(struct ref *refs) |
332 | { | |
333 | struct ref *posn; | |
334 | for (posn = refs; posn; posn = posn->next) { | |
335 | if (posn->symref) | |
336 | printf("@%s %s\n", posn->symref, posn->name); | |
337 | else | |
338 | printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name); | |
339 | } | |
340 | printf("\n"); | |
341 | fflush(stdout); | |
ae4efe19 SP |
342 | } |
343 | ||
de1a2fdd SP |
344 | struct rpc_state { |
345 | const char *service_name; | |
346 | const char **argv; | |
8150749d | 347 | struct strbuf *stdin_preamble; |
de1a2fdd SP |
348 | char *service_url; |
349 | char *hdr_content_type; | |
350 | char *hdr_accept; | |
351 | char *buf; | |
352 | size_t alloc; | |
353 | size_t len; | |
354 | size_t pos; | |
355 | int in; | |
356 | int out; | |
357 | struct strbuf result; | |
b8538603 | 358 | unsigned gzip_request : 1; |
6c81a990 | 359 | unsigned initial_buffer : 1; |
de1a2fdd SP |
360 | }; |
361 | ||
362 | static size_t rpc_out(void *ptr, size_t eltsize, | |
363 | size_t nmemb, void *buffer_) | |
364 | { | |
365 | size_t max = eltsize * nmemb; | |
366 | struct rpc_state *rpc = buffer_; | |
367 | size_t avail = rpc->len - rpc->pos; | |
368 | ||
369 | if (!avail) { | |
6c81a990 | 370 | rpc->initial_buffer = 0; |
4981fe75 | 371 | avail = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0); |
de1a2fdd SP |
372 | if (!avail) |
373 | return 0; | |
374 | rpc->pos = 0; | |
375 | rpc->len = avail; | |
376 | } | |
377 | ||
48310608 | 378 | if (max < avail) |
de1a2fdd SP |
379 | avail = max; |
380 | memcpy(ptr, rpc->buf + rpc->pos, avail); | |
381 | rpc->pos += avail; | |
382 | return avail; | |
383 | } | |
384 | ||
6c81a990 | 385 | #ifndef NO_CURL_IOCTL |
5092d3ec | 386 | static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp) |
6c81a990 MS |
387 | { |
388 | struct rpc_state *rpc = clientp; | |
389 | ||
390 | switch (cmd) { | |
391 | case CURLIOCMD_NOP: | |
392 | return CURLIOE_OK; | |
393 | ||
394 | case CURLIOCMD_RESTARTREAD: | |
395 | if (rpc->initial_buffer) { | |
396 | rpc->pos = 0; | |
397 | return CURLIOE_OK; | |
398 | } | |
399 | fprintf(stderr, "Unable to rewind rpc post data - try increasing http.postBuffer\n"); | |
400 | return CURLIOE_FAILRESTART; | |
401 | ||
402 | default: | |
403 | return CURLIOE_UNKNOWNCMD; | |
404 | } | |
405 | } | |
406 | #endif | |
407 | ||
a04ff3ec | 408 | static size_t rpc_in(char *ptr, size_t eltsize, |
de1a2fdd SP |
409 | size_t nmemb, void *buffer_) |
410 | { | |
411 | size_t size = eltsize * nmemb; | |
412 | struct rpc_state *rpc = buffer_; | |
413 | write_or_die(rpc->in, ptr, size); | |
414 | return size; | |
415 | } | |
416 | ||
3a347ed7 JK |
417 | static int run_slot(struct active_request_slot *slot, |
418 | struct slot_results *results) | |
206b099d | 419 | { |
b81401c1 | 420 | int err; |
3a347ed7 | 421 | struct slot_results results_buf; |
206b099d | 422 | |
3a347ed7 JK |
423 | if (!results) |
424 | results = &results_buf; | |
425 | ||
426 | slot->results = results; | |
206b099d SP |
427 | slot->curl_result = curl_easy_perform(slot->curl); |
428 | finish_active_slot(slot); | |
429 | ||
3a347ed7 | 430 | err = handle_curl_result(results); |
b81401c1 JK |
431 | if (err != HTTP_OK && err != HTTP_REAUTH) { |
432 | error("RPC failed; result=%d, HTTP code = %ld", | |
3a347ed7 | 433 | results->curl_result, results->http_code); |
206b099d SP |
434 | } |
435 | ||
436 | return err; | |
437 | } | |
438 | ||
3a347ed7 | 439 | static int probe_rpc(struct rpc_state *rpc, struct slot_results *results) |
206b099d SP |
440 | { |
441 | struct active_request_slot *slot; | |
442 | struct curl_slist *headers = NULL; | |
443 | struct strbuf buf = STRBUF_INIT; | |
444 | int err; | |
445 | ||
446 | slot = get_active_slot(); | |
447 | ||
448 | headers = curl_slist_append(headers, rpc->hdr_content_type); | |
449 | headers = curl_slist_append(headers, rpc->hdr_accept); | |
450 | ||
451 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
452 | curl_easy_setopt(slot->curl, CURLOPT_POST, 1); | |
453 | curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url); | |
aa90b969 | 454 | curl_easy_setopt(slot->curl, CURLOPT_ENCODING, NULL); |
206b099d SP |
455 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, "0000"); |
456 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, 4); | |
457 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); | |
458 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
459 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf); | |
460 | ||
3a347ed7 | 461 | err = run_slot(slot, results); |
206b099d SP |
462 | |
463 | curl_slist_free_all(headers); | |
464 | strbuf_release(&buf); | |
465 | return err; | |
466 | } | |
467 | ||
de1a2fdd SP |
468 | static int post_rpc(struct rpc_state *rpc) |
469 | { | |
470 | struct active_request_slot *slot; | |
de1a2fdd | 471 | struct curl_slist *headers = NULL; |
b8538603 SP |
472 | int use_gzip = rpc->gzip_request; |
473 | char *gzip_body = NULL; | |
37711549 | 474 | size_t gzip_size = 0; |
206b099d | 475 | int err, large_request = 0; |
c80d96ca | 476 | int needs_100_continue = 0; |
de1a2fdd SP |
477 | |
478 | /* Try to load the entire request, if we can fit it into the | |
479 | * allocated buffer space we can use HTTP/1.0 and avoid the | |
480 | * chunked encoding mess. | |
481 | */ | |
482 | while (1) { | |
483 | size_t left = rpc->alloc - rpc->len; | |
484 | char *buf = rpc->buf + rpc->len; | |
485 | int n; | |
486 | ||
487 | if (left < LARGE_PACKET_MAX) { | |
488 | large_request = 1; | |
b8538603 | 489 | use_gzip = 0; |
de1a2fdd SP |
490 | break; |
491 | } | |
492 | ||
4981fe75 | 493 | n = packet_read(rpc->out, NULL, NULL, buf, left, 0); |
de1a2fdd SP |
494 | if (!n) |
495 | break; | |
496 | rpc->len += n; | |
497 | } | |
498 | ||
206b099d | 499 | if (large_request) { |
c80d96ca | 500 | struct slot_results results; |
501 | ||
b81401c1 | 502 | do { |
c80d96ca | 503 | err = probe_rpc(rpc, &results); |
2501aff8 JK |
504 | if (err == HTTP_REAUTH) |
505 | credential_fill(&http_auth); | |
b81401c1 JK |
506 | } while (err == HTTP_REAUTH); |
507 | if (err != HTTP_OK) | |
508 | return -1; | |
c80d96ca | 509 | |
510 | if (results.auth_avail & CURLAUTH_GSSNEGOTIATE) | |
511 | needs_100_continue = 1; | |
206b099d SP |
512 | } |
513 | ||
abf8df86 JK |
514 | headers = curl_slist_append(headers, rpc->hdr_content_type); |
515 | headers = curl_slist_append(headers, rpc->hdr_accept); | |
c80d96ca | 516 | headers = curl_slist_append(headers, needs_100_continue ? |
517 | "Expect: 100-continue" : "Expect:"); | |
abf8df86 JK |
518 | |
519 | retry: | |
de1a2fdd | 520 | slot = get_active_slot(); |
de1a2fdd | 521 | |
de1a2fdd | 522 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
d21f9794 | 523 | curl_easy_setopt(slot->curl, CURLOPT_POST, 1); |
de1a2fdd | 524 | curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url); |
aa90b969 | 525 | curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip"); |
de1a2fdd | 526 | |
de1a2fdd SP |
527 | if (large_request) { |
528 | /* The request body is large and the size cannot be predicted. | |
529 | * We must use chunked encoding to send it. | |
530 | */ | |
de1a2fdd | 531 | headers = curl_slist_append(headers, "Transfer-Encoding: chunked"); |
6c81a990 | 532 | rpc->initial_buffer = 1; |
de1a2fdd SP |
533 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out); |
534 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc); | |
6c81a990 MS |
535 | #ifndef NO_CURL_IOCTL |
536 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl); | |
537 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc); | |
538 | #endif | |
de1a2fdd SP |
539 | if (options.verbosity > 1) { |
540 | fprintf(stderr, "POST %s (chunked)\n", rpc->service_name); | |
541 | fflush(stderr); | |
542 | } | |
543 | ||
2e736fd5 JK |
544 | } else if (gzip_body) { |
545 | /* | |
546 | * If we are looping to retry authentication, then the previous | |
547 | * run will have set up the headers and gzip buffer already, | |
548 | * and we just need to send it. | |
549 | */ | |
550 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body); | |
551 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size); | |
552 | ||
b8538603 SP |
553 | } else if (use_gzip && 1024 < rpc->len) { |
554 | /* The client backend isn't giving us compressed data so | |
555 | * we can try to deflate it ourselves, this may save on. | |
556 | * the transfer time. | |
557 | */ | |
ef49a7a0 | 558 | git_zstream stream; |
b8538603 SP |
559 | int ret; |
560 | ||
561 | memset(&stream, 0, sizeof(stream)); | |
55bb5c91 | 562 | git_deflate_init_gzip(&stream, Z_BEST_COMPRESSION); |
df126e10 JK |
563 | gzip_size = git_deflate_bound(&stream, rpc->len); |
564 | gzip_body = xmalloc(gzip_size); | |
b8538603 SP |
565 | |
566 | stream.next_in = (unsigned char *)rpc->buf; | |
567 | stream.avail_in = rpc->len; | |
568 | stream.next_out = (unsigned char *)gzip_body; | |
df126e10 | 569 | stream.avail_out = gzip_size; |
b8538603 | 570 | |
55bb5c91 | 571 | ret = git_deflate(&stream, Z_FINISH); |
b8538603 SP |
572 | if (ret != Z_STREAM_END) |
573 | die("cannot deflate request; zlib deflate error %d", ret); | |
574 | ||
55bb5c91 | 575 | ret = git_deflate_end_gently(&stream); |
b8538603 SP |
576 | if (ret != Z_OK) |
577 | die("cannot deflate request; zlib end error %d", ret); | |
578 | ||
df126e10 | 579 | gzip_size = stream.total_out; |
b8538603 SP |
580 | |
581 | headers = curl_slist_append(headers, "Content-Encoding: gzip"); | |
582 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body); | |
df126e10 | 583 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size); |
b8538603 SP |
584 | |
585 | if (options.verbosity > 1) { | |
586 | fprintf(stderr, "POST %s (gzip %lu to %lu bytes)\n", | |
587 | rpc->service_name, | |
df126e10 | 588 | (unsigned long)rpc->len, (unsigned long)gzip_size); |
b8538603 SP |
589 | fflush(stderr); |
590 | } | |
de1a2fdd SP |
591 | } else { |
592 | /* We know the complete request size in advance, use the | |
593 | * more normal Content-Length approach. | |
594 | */ | |
595 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, rpc->buf); | |
596 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, rpc->len); | |
597 | if (options.verbosity > 1) { | |
598 | fprintf(stderr, "POST %s (%lu bytes)\n", | |
599 | rpc->service_name, (unsigned long)rpc->len); | |
600 | fflush(stderr); | |
601 | } | |
602 | } | |
603 | ||
604 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); | |
605 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in); | |
606 | curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc); | |
607 | ||
3a347ed7 | 608 | err = run_slot(slot, NULL); |
2501aff8 JK |
609 | if (err == HTTP_REAUTH && !large_request) { |
610 | credential_fill(&http_auth); | |
abf8df86 | 611 | goto retry; |
2501aff8 | 612 | } |
b81401c1 JK |
613 | if (err != HTTP_OK) |
614 | err = -1; | |
de1a2fdd SP |
615 | |
616 | curl_slist_free_all(headers); | |
b8538603 | 617 | free(gzip_body); |
de1a2fdd SP |
618 | return err; |
619 | } | |
620 | ||
621 | static int rpc_service(struct rpc_state *rpc, struct discovery *heads) | |
622 | { | |
623 | const char *svc = rpc->service_name; | |
624 | struct strbuf buf = STRBUF_INIT; | |
8150749d | 625 | struct strbuf *preamble = rpc->stdin_preamble; |
de1a2fdd SP |
626 | struct child_process client; |
627 | int err = 0; | |
628 | ||
de1a2fdd SP |
629 | memset(&client, 0, sizeof(client)); |
630 | client.in = -1; | |
631 | client.out = -1; | |
632 | client.git_cmd = 1; | |
633 | client.argv = rpc->argv; | |
634 | if (start_command(&client)) | |
635 | exit(1); | |
8150749d IT |
636 | if (preamble) |
637 | write_or_die(client.in, preamble->buf, preamble->len); | |
de1a2fdd SP |
638 | if (heads) |
639 | write_or_die(client.in, heads->buf, heads->len); | |
640 | ||
641 | rpc->alloc = http_post_buffer; | |
642 | rpc->buf = xmalloc(rpc->alloc); | |
643 | rpc->in = client.in; | |
644 | rpc->out = client.out; | |
645 | strbuf_init(&rpc->result, 0); | |
646 | ||
b227bbc4 | 647 | strbuf_addf(&buf, "%s%s", url.buf, svc); |
de1a2fdd SP |
648 | rpc->service_url = strbuf_detach(&buf, NULL); |
649 | ||
650 | strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc); | |
651 | rpc->hdr_content_type = strbuf_detach(&buf, NULL); | |
652 | ||
8efa5f62 | 653 | strbuf_addf(&buf, "Accept: application/x-%s-result", svc); |
de1a2fdd SP |
654 | rpc->hdr_accept = strbuf_detach(&buf, NULL); |
655 | ||
656 | while (!err) { | |
4981fe75 | 657 | int n = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0); |
de1a2fdd SP |
658 | if (!n) |
659 | break; | |
660 | rpc->pos = 0; | |
661 | rpc->len = n; | |
662 | err |= post_rpc(rpc); | |
663 | } | |
de1a2fdd SP |
664 | |
665 | close(client.in); | |
de1a2fdd | 666 | client.in = -1; |
6cdf0223 SP |
667 | if (!err) { |
668 | strbuf_read(&rpc->result, client.out, 0); | |
669 | } else { | |
670 | char buf[4096]; | |
671 | for (;;) | |
672 | if (xread(client.out, buf, sizeof(buf)) <= 0) | |
673 | break; | |
674 | } | |
b4ee10f6 SP |
675 | |
676 | close(client.out); | |
de1a2fdd SP |
677 | client.out = -1; |
678 | ||
679 | err |= finish_command(&client); | |
680 | free(rpc->service_url); | |
681 | free(rpc->hdr_content_type); | |
682 | free(rpc->hdr_accept); | |
683 | free(rpc->buf); | |
684 | strbuf_release(&buf); | |
685 | return err; | |
686 | } | |
687 | ||
292ce46b SP |
688 | static int fetch_dumb(int nr_heads, struct ref **to_fetch) |
689 | { | |
26e1e0b2 | 690 | struct walker *walker; |
292ce46b SP |
691 | char **targets = xmalloc(nr_heads * sizeof(char*)); |
692 | int ret, i; | |
693 | ||
249b2004 SP |
694 | if (options.depth) |
695 | die("dumb http transport does not support --depth"); | |
292ce46b SP |
696 | for (i = 0; i < nr_heads; i++) |
697 | targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1)); | |
698 | ||
b227bbc4 | 699 | walker = get_http_walker(url.buf); |
292ce46b SP |
700 | walker->get_all = 1; |
701 | walker->get_tree = 1; | |
702 | walker->get_history = 1; | |
ef08ef9e | 703 | walker->get_verbosely = options.verbosity >= 3; |
292ce46b SP |
704 | walker->get_recover = 0; |
705 | ret = walker_fetch(walker, nr_heads, targets, NULL, NULL); | |
26e1e0b2 | 706 | walker_free(walker); |
292ce46b SP |
707 | |
708 | for (i = 0; i < nr_heads; i++) | |
709 | free(targets[i]); | |
710 | free(targets); | |
711 | ||
712 | return ret ? error("Fetch failed.") : 0; | |
713 | } | |
714 | ||
249b2004 SP |
715 | static int fetch_git(struct discovery *heads, |
716 | int nr_heads, struct ref **to_fetch) | |
717 | { | |
718 | struct rpc_state rpc; | |
8150749d | 719 | struct strbuf preamble = STRBUF_INIT; |
249b2004 | 720 | char *depth_arg = NULL; |
249b2004 | 721 | int argc = 0, i, err; |
16094885 | 722 | const char *argv[17]; |
249b2004 | 723 | |
249b2004 SP |
724 | argv[argc++] = "fetch-pack"; |
725 | argv[argc++] = "--stateless-rpc"; | |
8150749d | 726 | argv[argc++] = "--stdin"; |
249b2004 SP |
727 | argv[argc++] = "--lock-pack"; |
728 | if (options.followtags) | |
729 | argv[argc++] = "--include-tag"; | |
730 | if (options.thin) | |
731 | argv[argc++] = "--thin"; | |
732 | if (options.verbosity >= 3) { | |
733 | argv[argc++] = "-v"; | |
734 | argv[argc++] = "-v"; | |
735 | } | |
9ba38048 NTND |
736 | if (options.check_self_contained_and_connected) |
737 | argv[argc++] = "--check-self-contained-and-connected"; | |
16094885 NTND |
738 | if (options.cloning) |
739 | argv[argc++] = "--cloning"; | |
740 | if (options.update_shallow) | |
741 | argv[argc++] = "--update-shallow"; | |
249b2004 SP |
742 | if (!options.progress) |
743 | argv[argc++] = "--no-progress"; | |
744 | if (options.depth) { | |
745 | struct strbuf buf = STRBUF_INIT; | |
746 | strbuf_addf(&buf, "--depth=%lu", options.depth); | |
747 | depth_arg = strbuf_detach(&buf, NULL); | |
748 | argv[argc++] = depth_arg; | |
749 | } | |
b227bbc4 | 750 | argv[argc++] = url.buf; |
8150749d IT |
751 | argv[argc++] = NULL; |
752 | ||
249b2004 SP |
753 | for (i = 0; i < nr_heads; i++) { |
754 | struct ref *ref = to_fetch[i]; | |
755 | if (!ref->name || !*ref->name) | |
756 | die("cannot fetch by sha1 over smart http"); | |
58f2ed05 NTND |
757 | packet_buf_write(&preamble, "%s %s\n", |
758 | sha1_to_hex(ref->old_sha1), ref->name); | |
249b2004 | 759 | } |
8150749d | 760 | packet_buf_flush(&preamble); |
249b2004 SP |
761 | |
762 | memset(&rpc, 0, sizeof(rpc)); | |
763 | rpc.service_name = "git-upload-pack", | |
764 | rpc.argv = argv; | |
8150749d | 765 | rpc.stdin_preamble = &preamble; |
b8538603 | 766 | rpc.gzip_request = 1; |
249b2004 SP |
767 | |
768 | err = rpc_service(&rpc, heads); | |
769 | if (rpc.result.len) | |
cdf4fb8e | 770 | write_or_die(1, rpc.result.buf, rpc.result.len); |
249b2004 | 771 | strbuf_release(&rpc.result); |
8150749d | 772 | strbuf_release(&preamble); |
249b2004 SP |
773 | free(depth_arg); |
774 | return err; | |
775 | } | |
776 | ||
777 | static int fetch(int nr_heads, struct ref **to_fetch) | |
778 | { | |
2a455202 | 779 | struct discovery *d = discover_refs("git-upload-pack", 0); |
249b2004 SP |
780 | if (d->proto_git) |
781 | return fetch_git(d, nr_heads, to_fetch); | |
782 | else | |
783 | return fetch_dumb(nr_heads, to_fetch); | |
784 | } | |
785 | ||
292ce46b SP |
786 | static void parse_fetch(struct strbuf *buf) |
787 | { | |
788 | struct ref **to_fetch = NULL; | |
789 | struct ref *list_head = NULL; | |
790 | struct ref **list = &list_head; | |
791 | int alloc_heads = 0, nr_heads = 0; | |
792 | ||
793 | do { | |
59556548 | 794 | if (starts_with(buf->buf, "fetch ")) { |
292ce46b SP |
795 | char *p = buf->buf + strlen("fetch "); |
796 | char *name; | |
797 | struct ref *ref; | |
798 | unsigned char old_sha1[20]; | |
799 | ||
800 | if (strlen(p) < 40 || get_sha1_hex(p, old_sha1)) | |
801 | die("protocol error: expected sha/ref, got %s'", p); | |
802 | if (p[40] == ' ') | |
803 | name = p + 41; | |
804 | else if (!p[40]) | |
805 | name = ""; | |
806 | else | |
807 | die("protocol error: expected sha/ref, got %s'", p); | |
808 | ||
809 | ref = alloc_ref(name); | |
810 | hashcpy(ref->old_sha1, old_sha1); | |
811 | ||
812 | *list = ref; | |
813 | list = &ref->next; | |
814 | ||
815 | ALLOC_GROW(to_fetch, nr_heads + 1, alloc_heads); | |
816 | to_fetch[nr_heads++] = ref; | |
817 | } | |
818 | else | |
819 | die("http transport does not support %s", buf->buf); | |
820 | ||
821 | strbuf_reset(buf); | |
822 | if (strbuf_getline(buf, stdin, '\n') == EOF) | |
823 | return; | |
824 | if (!*buf->buf) | |
825 | break; | |
826 | } while (1); | |
827 | ||
249b2004 | 828 | if (fetch(nr_heads, to_fetch)) |
292ce46b SP |
829 | exit(128); /* error already reported */ |
830 | free_refs(list_head); | |
831 | free(to_fetch); | |
832 | ||
833 | printf("\n"); | |
834 | fflush(stdout); | |
835 | strbuf_reset(buf); | |
836 | } | |
837 | ||
ae4efe19 SP |
838 | static int push_dav(int nr_spec, char **specs) |
839 | { | |
840 | const char **argv = xmalloc((10 + nr_spec) * sizeof(char*)); | |
841 | int argc = 0, i; | |
842 | ||
843 | argv[argc++] = "http-push"; | |
844 | argv[argc++] = "--helper-status"; | |
845 | if (options.dry_run) | |
846 | argv[argc++] = "--dry-run"; | |
847 | if (options.verbosity > 1) | |
848 | argv[argc++] = "--verbose"; | |
b227bbc4 | 849 | argv[argc++] = url.buf; |
ae4efe19 SP |
850 | for (i = 0; i < nr_spec; i++) |
851 | argv[argc++] = specs[i]; | |
852 | argv[argc++] = NULL; | |
853 | ||
854 | if (run_command_v_opt(argv, RUN_GIT_CMD)) | |
855 | die("git-%s failed", argv[0]); | |
856 | free(argv); | |
857 | return 0; | |
858 | } | |
859 | ||
de1a2fdd SP |
860 | static int push_git(struct discovery *heads, int nr_spec, char **specs) |
861 | { | |
862 | struct rpc_state rpc; | |
222b1212 JH |
863 | int i, err; |
864 | struct argv_array args; | |
05c1eb10 | 865 | struct string_list_item *cas_option; |
222b1212 JH |
866 | |
867 | argv_array_init(&args); | |
868 | argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status", | |
869 | NULL); | |
de1a2fdd | 870 | |
de1a2fdd | 871 | if (options.thin) |
222b1212 | 872 | argv_array_push(&args, "--thin"); |
de1a2fdd | 873 | if (options.dry_run) |
222b1212 | 874 | argv_array_push(&args, "--dry-run"); |
c207e34f | 875 | if (options.verbosity == 0) |
222b1212 | 876 | argv_array_push(&args, "--quiet"); |
c207e34f | 877 | else if (options.verbosity > 1) |
222b1212 JH |
878 | argv_array_push(&args, "--verbose"); |
879 | argv_array_push(&args, options.progress ? "--progress" : "--no-progress"); | |
05c1eb10 | 880 | for_each_string_list_item(cas_option, &cas_options) |
2233ad45 | 881 | argv_array_push(&args, cas_option->string); |
b227bbc4 | 882 | argv_array_push(&args, url.buf); |
de1a2fdd | 883 | for (i = 0; i < nr_spec; i++) |
222b1212 | 884 | argv_array_push(&args, specs[i]); |
de1a2fdd SP |
885 | |
886 | memset(&rpc, 0, sizeof(rpc)); | |
887 | rpc.service_name = "git-receive-pack", | |
222b1212 | 888 | rpc.argv = args.argv; |
de1a2fdd SP |
889 | |
890 | err = rpc_service(&rpc, heads); | |
891 | if (rpc.result.len) | |
cdf4fb8e | 892 | write_or_die(1, rpc.result.buf, rpc.result.len); |
de1a2fdd | 893 | strbuf_release(&rpc.result); |
222b1212 | 894 | argv_array_clear(&args); |
de1a2fdd SP |
895 | return err; |
896 | } | |
897 | ||
898 | static int push(int nr_spec, char **specs) | |
899 | { | |
2a455202 | 900 | struct discovery *heads = discover_refs("git-receive-pack", 1); |
de1a2fdd SP |
901 | int ret; |
902 | ||
903 | if (heads->proto_git) | |
904 | ret = push_git(heads, nr_spec, specs); | |
905 | else | |
906 | ret = push_dav(nr_spec, specs); | |
907 | free_discovery(heads); | |
908 | return ret; | |
909 | } | |
910 | ||
ae4efe19 SP |
911 | static void parse_push(struct strbuf *buf) |
912 | { | |
913 | char **specs = NULL; | |
5238cbf6 | 914 | int alloc_spec = 0, nr_spec = 0, i, ret; |
ae4efe19 SP |
915 | |
916 | do { | |
59556548 | 917 | if (starts_with(buf->buf, "push ")) { |
ae4efe19 SP |
918 | ALLOC_GROW(specs, nr_spec + 1, alloc_spec); |
919 | specs[nr_spec++] = xstrdup(buf->buf + 5); | |
920 | } | |
921 | else | |
922 | die("http transport does not support %s", buf->buf); | |
923 | ||
924 | strbuf_reset(buf); | |
925 | if (strbuf_getline(buf, stdin, '\n') == EOF) | |
dc4cd767 | 926 | goto free_specs; |
ae4efe19 SP |
927 | if (!*buf->buf) |
928 | break; | |
929 | } while (1); | |
930 | ||
5238cbf6 | 931 | ret = push(nr_spec, specs); |
ae4efe19 SP |
932 | printf("\n"); |
933 | fflush(stdout); | |
dc4cd767 | 934 | |
5238cbf6 SP |
935 | if (ret) |
936 | exit(128); /* error already reported */ | |
937 | ||
dc4cd767 JM |
938 | free_specs: |
939 | for (i = 0; i < nr_spec; i++) | |
940 | free(specs[i]); | |
941 | free(specs); | |
ae4efe19 SP |
942 | } |
943 | ||
a2d725b7 DB |
944 | int main(int argc, const char **argv) |
945 | { | |
a2d725b7 | 946 | struct strbuf buf = STRBUF_INIT; |
a45d3d7e | 947 | int nongit; |
a2d725b7 | 948 | |
c6dfb399 | 949 | git_extract_argv0_path(argv[0]); |
a45d3d7e | 950 | setup_git_directory_gently(&nongit); |
a2d725b7 DB |
951 | if (argc < 2) { |
952 | fprintf(stderr, "Remote needed\n"); | |
953 | return 1; | |
954 | } | |
955 | ||
ef08ef9e SP |
956 | options.verbosity = 1; |
957 | options.progress = !!isatty(2); | |
de1a2fdd | 958 | options.thin = 1; |
ef08ef9e | 959 | |
a2d725b7 DB |
960 | remote = remote_get(argv[1]); |
961 | ||
962 | if (argc > 2) { | |
b227bbc4 | 963 | end_url_with_slash(&url, argv[2]); |
a2d725b7 | 964 | } else { |
b227bbc4 | 965 | end_url_with_slash(&url, remote->url[0]); |
a2d725b7 DB |
966 | } |
967 | ||
b227bbc4 | 968 | http_init(remote, url.buf, 0); |
888692b7 | 969 | |
a2d725b7 | 970 | do { |
1843f0ce SR |
971 | if (strbuf_getline(&buf, stdin, '\n') == EOF) { |
972 | if (ferror(stdin)) | |
973 | fprintf(stderr, "Error reading command stream\n"); | |
974 | else | |
975 | fprintf(stderr, "Unexpected end of command stream\n"); | |
976 | return 1; | |
977 | } | |
978 | if (buf.len == 0) | |
a2d725b7 | 979 | break; |
59556548 | 980 | if (starts_with(buf.buf, "fetch ")) { |
a45d3d7e DB |
981 | if (nongit) |
982 | die("Fetch attempted without a local repo"); | |
292ce46b SP |
983 | parse_fetch(&buf); |
984 | ||
59556548 | 985 | } else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) { |
97cc7bc4 SP |
986 | int for_push = !!strstr(buf.buf + 4, "for-push"); |
987 | output_refs(get_refs(for_push)); | |
ae4efe19 | 988 | |
59556548 | 989 | } else if (starts_with(buf.buf, "push ")) { |
ae4efe19 SP |
990 | parse_push(&buf); |
991 | ||
59556548 | 992 | } else if (starts_with(buf.buf, "option ")) { |
ef08ef9e SP |
993 | char *name = buf.buf + strlen("option "); |
994 | char *value = strchr(name, ' '); | |
995 | int result; | |
996 | ||
997 | if (value) | |
998 | *value++ = '\0'; | |
999 | else | |
1000 | value = "true"; | |
1001 | ||
1002 | result = set_option(name, value); | |
1003 | if (!result) | |
1004 | printf("ok\n"); | |
1005 | else if (result < 0) | |
1006 | printf("error invalid value\n"); | |
1007 | else | |
1008 | printf("unsupported\n"); | |
a2d725b7 | 1009 | fflush(stdout); |
ef08ef9e | 1010 | |
a2d725b7 DB |
1011 | } else if (!strcmp(buf.buf, "capabilities")) { |
1012 | printf("fetch\n"); | |
ef08ef9e | 1013 | printf("option\n"); |
ae4efe19 | 1014 | printf("push\n"); |
9ba38048 | 1015 | printf("check-connectivity\n"); |
a2d725b7 DB |
1016 | printf("\n"); |
1017 | fflush(stdout); | |
1018 | } else { | |
1843f0ce | 1019 | fprintf(stderr, "Unknown command '%s'\n", buf.buf); |
a2d725b7 DB |
1020 | return 1; |
1021 | } | |
1022 | strbuf_reset(&buf); | |
1023 | } while (1); | |
888692b7 TRC |
1024 | |
1025 | http_cleanup(); | |
1026 | ||
a2d725b7 DB |
1027 | return 0; |
1028 | } |