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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" |
de1a2fdd | 9 | #include "sideband.h" |
a2d725b7 | 10 | |
37a8768f | 11 | static struct remote *remote; |
d8fab072 | 12 | static const char *url; /* always ends with a trailing slash */ |
37a8768f | 13 | |
ef08ef9e SP |
14 | struct options { |
15 | int verbosity; | |
16 | unsigned long depth; | |
17 | unsigned progress : 1, | |
ae4efe19 | 18 | followtags : 1, |
de1a2fdd SP |
19 | dry_run : 1, |
20 | thin : 1; | |
ef08ef9e SP |
21 | }; |
22 | static struct options options; | |
23 | ||
ef08ef9e SP |
24 | static int set_option(const char *name, const char *value) |
25 | { | |
26 | if (!strcmp(name, "verbosity")) { | |
27 | char *end; | |
28 | int v = strtol(value, &end, 10); | |
29 | if (value == end || *end) | |
30 | return -1; | |
31 | options.verbosity = v; | |
32 | return 0; | |
33 | } | |
34 | else if (!strcmp(name, "progress")) { | |
35 | if (!strcmp(value, "true")) | |
36 | options.progress = 1; | |
37 | else if (!strcmp(value, "false")) | |
38 | options.progress = 0; | |
39 | else | |
40 | return -1; | |
249b2004 | 41 | return 0; |
ef08ef9e SP |
42 | } |
43 | else if (!strcmp(name, "depth")) { | |
44 | char *end; | |
45 | unsigned long v = strtoul(value, &end, 10); | |
46 | if (value == end || *end) | |
47 | return -1; | |
48 | options.depth = v; | |
249b2004 | 49 | return 0; |
ef08ef9e SP |
50 | } |
51 | else if (!strcmp(name, "followtags")) { | |
52 | if (!strcmp(value, "true")) | |
53 | options.followtags = 1; | |
54 | else if (!strcmp(value, "false")) | |
55 | options.followtags = 0; | |
56 | else | |
57 | return -1; | |
249b2004 | 58 | return 0; |
ef08ef9e | 59 | } |
ae4efe19 SP |
60 | else if (!strcmp(name, "dry-run")) { |
61 | if (!strcmp(value, "true")) | |
62 | options.dry_run = 1; | |
63 | else if (!strcmp(value, "false")) | |
64 | options.dry_run = 0; | |
65 | else | |
66 | return -1; | |
67 | return 0; | |
68 | } | |
ef08ef9e SP |
69 | else { |
70 | return 1 /* unsupported */; | |
71 | } | |
72 | } | |
73 | ||
97cc7bc4 SP |
74 | struct discovery { |
75 | const char *service; | |
76 | char *buf_alloc; | |
77 | char *buf; | |
78 | size_t len; | |
2a455202 | 79 | struct ref *refs; |
97cc7bc4 SP |
80 | unsigned proto_git : 1; |
81 | }; | |
82 | static struct discovery *last_discovery; | |
83 | ||
b8054bbe JK |
84 | static struct ref *parse_git_refs(struct discovery *heads, int for_push) |
85 | { | |
86 | struct ref *list = NULL; | |
87 | get_remote_heads(-1, heads->buf, heads->len, &list, | |
88 | for_push ? REF_NORMAL : 0, NULL); | |
89 | return list; | |
90 | } | |
91 | ||
92 | static struct ref *parse_info_refs(struct discovery *heads) | |
93 | { | |
94 | char *data, *start, *mid; | |
95 | char *ref_name; | |
96 | int i = 0; | |
97 | ||
98 | struct ref *refs = NULL; | |
99 | struct ref *ref = NULL; | |
100 | struct ref *last_ref = NULL; | |
101 | ||
102 | data = heads->buf; | |
103 | start = NULL; | |
104 | mid = data; | |
105 | while (i < heads->len) { | |
106 | if (!start) { | |
107 | start = &data[i]; | |
108 | } | |
109 | if (data[i] == '\t') | |
110 | mid = &data[i]; | |
111 | if (data[i] == '\n') { | |
112 | if (mid - start != 40) | |
113 | die("%sinfo/refs not valid: is this a git repository?", url); | |
114 | data[i] = 0; | |
115 | ref_name = mid + 1; | |
116 | ref = xmalloc(sizeof(struct ref) + | |
117 | strlen(ref_name) + 1); | |
118 | memset(ref, 0, sizeof(struct ref)); | |
119 | strcpy(ref->name, ref_name); | |
120 | get_sha1_hex(start, ref->old_sha1); | |
121 | if (!refs) | |
122 | refs = ref; | |
123 | if (last_ref) | |
124 | last_ref->next = ref; | |
125 | last_ref = ref; | |
126 | start = NULL; | |
127 | } | |
128 | i++; | |
129 | } | |
130 | ||
131 | ref = alloc_ref("HEAD"); | |
132 | if (!http_fetch_ref(url, ref) && | |
133 | !resolve_remote_symref(ref, refs)) { | |
134 | ref->next = refs; | |
135 | refs = ref; | |
136 | } else { | |
137 | free(ref); | |
138 | } | |
139 | ||
140 | return refs; | |
141 | } | |
142 | ||
97cc7bc4 SP |
143 | static void free_discovery(struct discovery *d) |
144 | { | |
145 | if (d) { | |
146 | if (d == last_discovery) | |
147 | last_discovery = NULL; | |
148 | free(d->buf_alloc); | |
2a455202 | 149 | free_refs(d->refs); |
97cc7bc4 SP |
150 | free(d); |
151 | } | |
152 | } | |
153 | ||
426e70d4 JK |
154 | static int show_http_message(struct strbuf *type, struct strbuf *msg) |
155 | { | |
156 | const char *p, *eol; | |
157 | ||
158 | /* | |
159 | * We only show text/plain parts, as other types are likely | |
160 | * to be ugly to look at on the user's terminal. | |
161 | * | |
162 | * TODO should handle "; charset=XXX", and re-encode into | |
163 | * logoutputencoding | |
164 | */ | |
165 | if (strcasecmp(type->buf, "text/plain")) | |
166 | return -1; | |
167 | ||
168 | strbuf_trim(msg); | |
169 | if (!msg->len) | |
170 | return -1; | |
171 | ||
172 | p = msg->buf; | |
173 | do { | |
174 | eol = strchrnul(p, '\n'); | |
175 | fprintf(stderr, "remote: %.*s\n", (int)(eol - p), p); | |
176 | p = eol + 1; | |
177 | } while(*eol); | |
178 | return 0; | |
179 | } | |
180 | ||
2a455202 | 181 | static struct discovery* discover_refs(const char *service, int for_push) |
a2d725b7 | 182 | { |
4656bf47 SP |
183 | struct strbuf exp = STRBUF_INIT; |
184 | struct strbuf type = STRBUF_INIT; | |
a2d725b7 | 185 | struct strbuf buffer = STRBUF_INIT; |
97cc7bc4 | 186 | struct discovery *last = last_discovery; |
a2d725b7 | 187 | char *refs_url; |
243c329c | 188 | int http_ret, maybe_smart = 0; |
a2d725b7 | 189 | |
97cc7bc4 SP |
190 | if (last && !strcmp(service, last->service)) |
191 | return last; | |
192 | free_discovery(last); | |
a2d725b7 | 193 | |
d8fab072 | 194 | strbuf_addf(&buffer, "%sinfo/refs", url); |
02572c2e JK |
195 | if ((!prefixcmp(url, "http://") || !prefixcmp(url, "https://")) && |
196 | git_env_bool("GIT_SMART_HTTP", 1)) { | |
243c329c | 197 | maybe_smart = 1; |
97cc7bc4 SP |
198 | if (!strchr(url, '?')) |
199 | strbuf_addch(&buffer, '?'); | |
200 | else | |
201 | strbuf_addch(&buffer, '&'); | |
202 | strbuf_addf(&buffer, "service=%s", service); | |
203 | } | |
204 | refs_url = strbuf_detach(&buffer, NULL); | |
a2d725b7 | 205 | |
426e70d4 JK |
206 | http_ret = http_get_strbuf(refs_url, &type, &buffer, |
207 | HTTP_NO_CACHE | HTTP_KEEP_ERROR); | |
a2d725b7 DB |
208 | switch (http_ret) { |
209 | case HTTP_OK: | |
210 | break; | |
211 | case HTTP_MISSING_TARGET: | |
cfa0f404 JK |
212 | show_http_message(&type, &buffer); |
213 | die("repository '%s' not found", url); | |
42653c09 | 214 | case HTTP_NOAUTH: |
426e70d4 | 215 | show_http_message(&type, &buffer); |
d5ccbe4d | 216 | die("Authentication failed for '%s'", url); |
a2d725b7 | 217 | default: |
426e70d4 | 218 | show_http_message(&type, &buffer); |
de89f0b2 | 219 | die("unable to access '%s': %s", url, curl_errorstr); |
a2d725b7 DB |
220 | } |
221 | ||
97cc7bc4 SP |
222 | last= xcalloc(1, sizeof(*last_discovery)); |
223 | last->service = service; | |
224 | last->buf_alloc = strbuf_detach(&buffer, &last->len); | |
225 | last->buf = last->buf_alloc; | |
226 | ||
4656bf47 SP |
227 | strbuf_addf(&exp, "application/x-%s-advertisement", service); |
228 | if (maybe_smart && | |
229 | (5 <= last->len && last->buf[4] == '#') && | |
230 | !strbuf_cmp(&exp, &type)) { | |
4981fe75 JK |
231 | char *line; |
232 | ||
4656bf47 SP |
233 | /* |
234 | * smart HTTP response; validate that the service | |
97cc7bc4 SP |
235 | * pkt-line matches our request. |
236 | */ | |
4981fe75 | 237 | line = packet_read_line_buf(&last->buf, &last->len, NULL); |
97cc7bc4 | 238 | |
4656bf47 | 239 | strbuf_reset(&exp); |
97cc7bc4 | 240 | strbuf_addf(&exp, "# service=%s", service); |
4981fe75 JK |
241 | if (strcmp(line, exp.buf)) |
242 | die("invalid server response; got '%s'", line); | |
97cc7bc4 SP |
243 | strbuf_release(&exp); |
244 | ||
245 | /* The header can include additional metadata lines, up | |
246 | * until a packet flush marker. Ignore these now, but | |
247 | * in the future we might start to scan them. | |
248 | */ | |
4981fe75 JK |
249 | while (packet_read_line_buf(&last->buf, &last->len, NULL)) |
250 | ; | |
97cc7bc4 SP |
251 | |
252 | last->proto_git = 1; | |
253 | } | |
254 | ||
2a455202 JK |
255 | if (last->proto_git) |
256 | last->refs = parse_git_refs(last, for_push); | |
257 | else | |
258 | last->refs = parse_info_refs(last); | |
259 | ||
97cc7bc4 | 260 | free(refs_url); |
4656bf47 SP |
261 | strbuf_release(&exp); |
262 | strbuf_release(&type); | |
97cc7bc4 SP |
263 | strbuf_release(&buffer); |
264 | last_discovery = last; | |
265 | return last; | |
266 | } | |
267 | ||
97cc7bc4 SP |
268 | static struct ref *get_refs(int for_push) |
269 | { | |
270 | struct discovery *heads; | |
271 | ||
272 | if (for_push) | |
2a455202 | 273 | heads = discover_refs("git-receive-pack", for_push); |
97cc7bc4 | 274 | else |
2a455202 | 275 | heads = discover_refs("git-upload-pack", for_push); |
97cc7bc4 | 276 | |
2a455202 | 277 | return heads->refs; |
97cc7bc4 SP |
278 | } |
279 | ||
ae4efe19 SP |
280 | static void output_refs(struct ref *refs) |
281 | { | |
282 | struct ref *posn; | |
283 | for (posn = refs; posn; posn = posn->next) { | |
284 | if (posn->symref) | |
285 | printf("@%s %s\n", posn->symref, posn->name); | |
286 | else | |
287 | printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name); | |
288 | } | |
289 | printf("\n"); | |
290 | fflush(stdout); | |
ae4efe19 SP |
291 | } |
292 | ||
de1a2fdd SP |
293 | struct rpc_state { |
294 | const char *service_name; | |
295 | const char **argv; | |
8150749d | 296 | struct strbuf *stdin_preamble; |
de1a2fdd SP |
297 | char *service_url; |
298 | char *hdr_content_type; | |
299 | char *hdr_accept; | |
300 | char *buf; | |
301 | size_t alloc; | |
302 | size_t len; | |
303 | size_t pos; | |
304 | int in; | |
305 | int out; | |
306 | struct strbuf result; | |
b8538603 | 307 | unsigned gzip_request : 1; |
6c81a990 | 308 | unsigned initial_buffer : 1; |
de1a2fdd SP |
309 | }; |
310 | ||
311 | static size_t rpc_out(void *ptr, size_t eltsize, | |
312 | size_t nmemb, void *buffer_) | |
313 | { | |
314 | size_t max = eltsize * nmemb; | |
315 | struct rpc_state *rpc = buffer_; | |
316 | size_t avail = rpc->len - rpc->pos; | |
317 | ||
318 | if (!avail) { | |
6c81a990 | 319 | rpc->initial_buffer = 0; |
4981fe75 | 320 | avail = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0); |
de1a2fdd SP |
321 | if (!avail) |
322 | return 0; | |
323 | rpc->pos = 0; | |
324 | rpc->len = avail; | |
325 | } | |
326 | ||
48310608 | 327 | if (max < avail) |
de1a2fdd SP |
328 | avail = max; |
329 | memcpy(ptr, rpc->buf + rpc->pos, avail); | |
330 | rpc->pos += avail; | |
331 | return avail; | |
332 | } | |
333 | ||
6c81a990 | 334 | #ifndef NO_CURL_IOCTL |
5092d3ec | 335 | static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp) |
6c81a990 MS |
336 | { |
337 | struct rpc_state *rpc = clientp; | |
338 | ||
339 | switch (cmd) { | |
340 | case CURLIOCMD_NOP: | |
341 | return CURLIOE_OK; | |
342 | ||
343 | case CURLIOCMD_RESTARTREAD: | |
344 | if (rpc->initial_buffer) { | |
345 | rpc->pos = 0; | |
346 | return CURLIOE_OK; | |
347 | } | |
348 | fprintf(stderr, "Unable to rewind rpc post data - try increasing http.postBuffer\n"); | |
349 | return CURLIOE_FAILRESTART; | |
350 | ||
351 | default: | |
352 | return CURLIOE_UNKNOWNCMD; | |
353 | } | |
354 | } | |
355 | #endif | |
356 | ||
a04ff3ec | 357 | static size_t rpc_in(char *ptr, size_t eltsize, |
de1a2fdd SP |
358 | size_t nmemb, void *buffer_) |
359 | { | |
360 | size_t size = eltsize * nmemb; | |
361 | struct rpc_state *rpc = buffer_; | |
362 | write_or_die(rpc->in, ptr, size); | |
363 | return size; | |
364 | } | |
365 | ||
206b099d SP |
366 | static int run_slot(struct active_request_slot *slot) |
367 | { | |
b81401c1 | 368 | int err; |
206b099d SP |
369 | struct slot_results results; |
370 | ||
371 | slot->results = &results; | |
372 | slot->curl_result = curl_easy_perform(slot->curl); | |
373 | finish_active_slot(slot); | |
374 | ||
1960897e | 375 | err = handle_curl_result(&results); |
b81401c1 JK |
376 | if (err != HTTP_OK && err != HTTP_REAUTH) { |
377 | error("RPC failed; result=%d, HTTP code = %ld", | |
378 | results.curl_result, results.http_code); | |
206b099d SP |
379 | } |
380 | ||
381 | return err; | |
382 | } | |
383 | ||
384 | static int probe_rpc(struct rpc_state *rpc) | |
385 | { | |
386 | struct active_request_slot *slot; | |
387 | struct curl_slist *headers = NULL; | |
388 | struct strbuf buf = STRBUF_INIT; | |
389 | int err; | |
390 | ||
391 | slot = get_active_slot(); | |
392 | ||
393 | headers = curl_slist_append(headers, rpc->hdr_content_type); | |
394 | headers = curl_slist_append(headers, rpc->hdr_accept); | |
395 | ||
396 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
397 | curl_easy_setopt(slot->curl, CURLOPT_POST, 1); | |
398 | curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url); | |
aa90b969 | 399 | curl_easy_setopt(slot->curl, CURLOPT_ENCODING, NULL); |
206b099d SP |
400 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, "0000"); |
401 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, 4); | |
402 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); | |
403 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
404 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf); | |
405 | ||
406 | err = run_slot(slot); | |
407 | ||
408 | curl_slist_free_all(headers); | |
409 | strbuf_release(&buf); | |
410 | return err; | |
411 | } | |
412 | ||
de1a2fdd SP |
413 | static int post_rpc(struct rpc_state *rpc) |
414 | { | |
415 | struct active_request_slot *slot; | |
de1a2fdd | 416 | struct curl_slist *headers = NULL; |
b8538603 SP |
417 | int use_gzip = rpc->gzip_request; |
418 | char *gzip_body = NULL; | |
37711549 | 419 | size_t gzip_size = 0; |
206b099d | 420 | int err, large_request = 0; |
de1a2fdd SP |
421 | |
422 | /* Try to load the entire request, if we can fit it into the | |
423 | * allocated buffer space we can use HTTP/1.0 and avoid the | |
424 | * chunked encoding mess. | |
425 | */ | |
426 | while (1) { | |
427 | size_t left = rpc->alloc - rpc->len; | |
428 | char *buf = rpc->buf + rpc->len; | |
429 | int n; | |
430 | ||
431 | if (left < LARGE_PACKET_MAX) { | |
432 | large_request = 1; | |
b8538603 | 433 | use_gzip = 0; |
de1a2fdd SP |
434 | break; |
435 | } | |
436 | ||
4981fe75 | 437 | n = packet_read(rpc->out, NULL, NULL, buf, left, 0); |
de1a2fdd SP |
438 | if (!n) |
439 | break; | |
440 | rpc->len += n; | |
441 | } | |
442 | ||
206b099d | 443 | if (large_request) { |
b81401c1 JK |
444 | do { |
445 | err = probe_rpc(rpc); | |
446 | } while (err == HTTP_REAUTH); | |
447 | if (err != HTTP_OK) | |
448 | return -1; | |
206b099d SP |
449 | } |
450 | ||
abf8df86 JK |
451 | headers = curl_slist_append(headers, rpc->hdr_content_type); |
452 | headers = curl_slist_append(headers, rpc->hdr_accept); | |
453 | headers = curl_slist_append(headers, "Expect:"); | |
454 | ||
455 | retry: | |
de1a2fdd | 456 | slot = get_active_slot(); |
de1a2fdd | 457 | |
de1a2fdd | 458 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
d21f9794 | 459 | curl_easy_setopt(slot->curl, CURLOPT_POST, 1); |
de1a2fdd | 460 | curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url); |
aa90b969 | 461 | curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip"); |
de1a2fdd | 462 | |
de1a2fdd SP |
463 | if (large_request) { |
464 | /* The request body is large and the size cannot be predicted. | |
465 | * We must use chunked encoding to send it. | |
466 | */ | |
de1a2fdd | 467 | headers = curl_slist_append(headers, "Transfer-Encoding: chunked"); |
6c81a990 | 468 | rpc->initial_buffer = 1; |
de1a2fdd SP |
469 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out); |
470 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc); | |
6c81a990 MS |
471 | #ifndef NO_CURL_IOCTL |
472 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl); | |
473 | curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc); | |
474 | #endif | |
de1a2fdd SP |
475 | if (options.verbosity > 1) { |
476 | fprintf(stderr, "POST %s (chunked)\n", rpc->service_name); | |
477 | fflush(stderr); | |
478 | } | |
479 | ||
2e736fd5 JK |
480 | } else if (gzip_body) { |
481 | /* | |
482 | * If we are looping to retry authentication, then the previous | |
483 | * run will have set up the headers and gzip buffer already, | |
484 | * and we just need to send it. | |
485 | */ | |
486 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body); | |
487 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size); | |
488 | ||
b8538603 SP |
489 | } else if (use_gzip && 1024 < rpc->len) { |
490 | /* The client backend isn't giving us compressed data so | |
491 | * we can try to deflate it ourselves, this may save on. | |
492 | * the transfer time. | |
493 | */ | |
ef49a7a0 | 494 | git_zstream stream; |
b8538603 SP |
495 | int ret; |
496 | ||
497 | memset(&stream, 0, sizeof(stream)); | |
55bb5c91 | 498 | git_deflate_init_gzip(&stream, Z_BEST_COMPRESSION); |
df126e10 JK |
499 | gzip_size = git_deflate_bound(&stream, rpc->len); |
500 | gzip_body = xmalloc(gzip_size); | |
b8538603 SP |
501 | |
502 | stream.next_in = (unsigned char *)rpc->buf; | |
503 | stream.avail_in = rpc->len; | |
504 | stream.next_out = (unsigned char *)gzip_body; | |
df126e10 | 505 | stream.avail_out = gzip_size; |
b8538603 | 506 | |
55bb5c91 | 507 | ret = git_deflate(&stream, Z_FINISH); |
b8538603 SP |
508 | if (ret != Z_STREAM_END) |
509 | die("cannot deflate request; zlib deflate error %d", ret); | |
510 | ||
55bb5c91 | 511 | ret = git_deflate_end_gently(&stream); |
b8538603 SP |
512 | if (ret != Z_OK) |
513 | die("cannot deflate request; zlib end error %d", ret); | |
514 | ||
df126e10 | 515 | gzip_size = stream.total_out; |
b8538603 SP |
516 | |
517 | headers = curl_slist_append(headers, "Content-Encoding: gzip"); | |
518 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body); | |
df126e10 | 519 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size); |
b8538603 SP |
520 | |
521 | if (options.verbosity > 1) { | |
522 | fprintf(stderr, "POST %s (gzip %lu to %lu bytes)\n", | |
523 | rpc->service_name, | |
df126e10 | 524 | (unsigned long)rpc->len, (unsigned long)gzip_size); |
b8538603 SP |
525 | fflush(stderr); |
526 | } | |
de1a2fdd SP |
527 | } else { |
528 | /* We know the complete request size in advance, use the | |
529 | * more normal Content-Length approach. | |
530 | */ | |
531 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, rpc->buf); | |
532 | curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, rpc->len); | |
533 | if (options.verbosity > 1) { | |
534 | fprintf(stderr, "POST %s (%lu bytes)\n", | |
535 | rpc->service_name, (unsigned long)rpc->len); | |
536 | fflush(stderr); | |
537 | } | |
538 | } | |
539 | ||
540 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); | |
541 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in); | |
542 | curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc); | |
543 | ||
abf8df86 | 544 | err = run_slot(slot); |
2e736fd5 | 545 | if (err == HTTP_REAUTH && !large_request) |
abf8df86 | 546 | goto retry; |
b81401c1 JK |
547 | if (err != HTTP_OK) |
548 | err = -1; | |
de1a2fdd SP |
549 | |
550 | curl_slist_free_all(headers); | |
b8538603 | 551 | free(gzip_body); |
de1a2fdd SP |
552 | return err; |
553 | } | |
554 | ||
555 | static int rpc_service(struct rpc_state *rpc, struct discovery *heads) | |
556 | { | |
557 | const char *svc = rpc->service_name; | |
558 | struct strbuf buf = STRBUF_INIT; | |
8150749d | 559 | struct strbuf *preamble = rpc->stdin_preamble; |
de1a2fdd SP |
560 | struct child_process client; |
561 | int err = 0; | |
562 | ||
de1a2fdd SP |
563 | memset(&client, 0, sizeof(client)); |
564 | client.in = -1; | |
565 | client.out = -1; | |
566 | client.git_cmd = 1; | |
567 | client.argv = rpc->argv; | |
568 | if (start_command(&client)) | |
569 | exit(1); | |
8150749d IT |
570 | if (preamble) |
571 | write_or_die(client.in, preamble->buf, preamble->len); | |
de1a2fdd SP |
572 | if (heads) |
573 | write_or_die(client.in, heads->buf, heads->len); | |
574 | ||
575 | rpc->alloc = http_post_buffer; | |
576 | rpc->buf = xmalloc(rpc->alloc); | |
577 | rpc->in = client.in; | |
578 | rpc->out = client.out; | |
579 | strbuf_init(&rpc->result, 0); | |
580 | ||
d8fab072 | 581 | strbuf_addf(&buf, "%s%s", url, svc); |
de1a2fdd SP |
582 | rpc->service_url = strbuf_detach(&buf, NULL); |
583 | ||
584 | strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc); | |
585 | rpc->hdr_content_type = strbuf_detach(&buf, NULL); | |
586 | ||
8efa5f62 | 587 | strbuf_addf(&buf, "Accept: application/x-%s-result", svc); |
de1a2fdd SP |
588 | rpc->hdr_accept = strbuf_detach(&buf, NULL); |
589 | ||
590 | while (!err) { | |
4981fe75 | 591 | int n = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0); |
de1a2fdd SP |
592 | if (!n) |
593 | break; | |
594 | rpc->pos = 0; | |
595 | rpc->len = n; | |
596 | err |= post_rpc(rpc); | |
597 | } | |
de1a2fdd SP |
598 | |
599 | close(client.in); | |
de1a2fdd | 600 | client.in = -1; |
6cdf0223 SP |
601 | if (!err) { |
602 | strbuf_read(&rpc->result, client.out, 0); | |
603 | } else { | |
604 | char buf[4096]; | |
605 | for (;;) | |
606 | if (xread(client.out, buf, sizeof(buf)) <= 0) | |
607 | break; | |
608 | } | |
b4ee10f6 SP |
609 | |
610 | close(client.out); | |
de1a2fdd SP |
611 | client.out = -1; |
612 | ||
613 | err |= finish_command(&client); | |
614 | free(rpc->service_url); | |
615 | free(rpc->hdr_content_type); | |
616 | free(rpc->hdr_accept); | |
617 | free(rpc->buf); | |
618 | strbuf_release(&buf); | |
619 | return err; | |
620 | } | |
621 | ||
292ce46b SP |
622 | static int fetch_dumb(int nr_heads, struct ref **to_fetch) |
623 | { | |
26e1e0b2 | 624 | struct walker *walker; |
292ce46b SP |
625 | char **targets = xmalloc(nr_heads * sizeof(char*)); |
626 | int ret, i; | |
627 | ||
249b2004 SP |
628 | if (options.depth) |
629 | die("dumb http transport does not support --depth"); | |
292ce46b SP |
630 | for (i = 0; i < nr_heads; i++) |
631 | targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1)); | |
632 | ||
26e1e0b2 | 633 | walker = get_http_walker(url); |
292ce46b SP |
634 | walker->get_all = 1; |
635 | walker->get_tree = 1; | |
636 | walker->get_history = 1; | |
ef08ef9e | 637 | walker->get_verbosely = options.verbosity >= 3; |
292ce46b SP |
638 | walker->get_recover = 0; |
639 | ret = walker_fetch(walker, nr_heads, targets, NULL, NULL); | |
26e1e0b2 | 640 | walker_free(walker); |
292ce46b SP |
641 | |
642 | for (i = 0; i < nr_heads; i++) | |
643 | free(targets[i]); | |
644 | free(targets); | |
645 | ||
646 | return ret ? error("Fetch failed.") : 0; | |
647 | } | |
648 | ||
249b2004 SP |
649 | static int fetch_git(struct discovery *heads, |
650 | int nr_heads, struct ref **to_fetch) | |
651 | { | |
652 | struct rpc_state rpc; | |
8150749d | 653 | struct strbuf preamble = STRBUF_INIT; |
249b2004 | 654 | char *depth_arg = NULL; |
249b2004 | 655 | int argc = 0, i, err; |
8150749d | 656 | const char *argv[15]; |
249b2004 | 657 | |
249b2004 SP |
658 | argv[argc++] = "fetch-pack"; |
659 | argv[argc++] = "--stateless-rpc"; | |
8150749d | 660 | argv[argc++] = "--stdin"; |
249b2004 SP |
661 | argv[argc++] = "--lock-pack"; |
662 | if (options.followtags) | |
663 | argv[argc++] = "--include-tag"; | |
664 | if (options.thin) | |
665 | argv[argc++] = "--thin"; | |
666 | if (options.verbosity >= 3) { | |
667 | argv[argc++] = "-v"; | |
668 | argv[argc++] = "-v"; | |
669 | } | |
670 | if (!options.progress) | |
671 | argv[argc++] = "--no-progress"; | |
672 | if (options.depth) { | |
673 | struct strbuf buf = STRBUF_INIT; | |
674 | strbuf_addf(&buf, "--depth=%lu", options.depth); | |
675 | depth_arg = strbuf_detach(&buf, NULL); | |
676 | argv[argc++] = depth_arg; | |
677 | } | |
678 | argv[argc++] = url; | |
8150749d IT |
679 | argv[argc++] = NULL; |
680 | ||
249b2004 SP |
681 | for (i = 0; i < nr_heads; i++) { |
682 | struct ref *ref = to_fetch[i]; | |
683 | if (!ref->name || !*ref->name) | |
684 | die("cannot fetch by sha1 over smart http"); | |
8150749d | 685 | packet_buf_write(&preamble, "%s\n", ref->name); |
249b2004 | 686 | } |
8150749d | 687 | packet_buf_flush(&preamble); |
249b2004 SP |
688 | |
689 | memset(&rpc, 0, sizeof(rpc)); | |
690 | rpc.service_name = "git-upload-pack", | |
691 | rpc.argv = argv; | |
8150749d | 692 | rpc.stdin_preamble = &preamble; |
b8538603 | 693 | rpc.gzip_request = 1; |
249b2004 SP |
694 | |
695 | err = rpc_service(&rpc, heads); | |
696 | if (rpc.result.len) | |
cdf4fb8e | 697 | write_or_die(1, rpc.result.buf, rpc.result.len); |
249b2004 | 698 | strbuf_release(&rpc.result); |
8150749d | 699 | strbuf_release(&preamble); |
249b2004 SP |
700 | free(depth_arg); |
701 | return err; | |
702 | } | |
703 | ||
704 | static int fetch(int nr_heads, struct ref **to_fetch) | |
705 | { | |
2a455202 | 706 | struct discovery *d = discover_refs("git-upload-pack", 0); |
249b2004 SP |
707 | if (d->proto_git) |
708 | return fetch_git(d, nr_heads, to_fetch); | |
709 | else | |
710 | return fetch_dumb(nr_heads, to_fetch); | |
711 | } | |
712 | ||
292ce46b SP |
713 | static void parse_fetch(struct strbuf *buf) |
714 | { | |
715 | struct ref **to_fetch = NULL; | |
716 | struct ref *list_head = NULL; | |
717 | struct ref **list = &list_head; | |
718 | int alloc_heads = 0, nr_heads = 0; | |
719 | ||
720 | do { | |
721 | if (!prefixcmp(buf->buf, "fetch ")) { | |
722 | char *p = buf->buf + strlen("fetch "); | |
723 | char *name; | |
724 | struct ref *ref; | |
725 | unsigned char old_sha1[20]; | |
726 | ||
727 | if (strlen(p) < 40 || get_sha1_hex(p, old_sha1)) | |
728 | die("protocol error: expected sha/ref, got %s'", p); | |
729 | if (p[40] == ' ') | |
730 | name = p + 41; | |
731 | else if (!p[40]) | |
732 | name = ""; | |
733 | else | |
734 | die("protocol error: expected sha/ref, got %s'", p); | |
735 | ||
736 | ref = alloc_ref(name); | |
737 | hashcpy(ref->old_sha1, old_sha1); | |
738 | ||
739 | *list = ref; | |
740 | list = &ref->next; | |
741 | ||
742 | ALLOC_GROW(to_fetch, nr_heads + 1, alloc_heads); | |
743 | to_fetch[nr_heads++] = ref; | |
744 | } | |
745 | else | |
746 | die("http transport does not support %s", buf->buf); | |
747 | ||
748 | strbuf_reset(buf); | |
749 | if (strbuf_getline(buf, stdin, '\n') == EOF) | |
750 | return; | |
751 | if (!*buf->buf) | |
752 | break; | |
753 | } while (1); | |
754 | ||
249b2004 | 755 | if (fetch(nr_heads, to_fetch)) |
292ce46b SP |
756 | exit(128); /* error already reported */ |
757 | free_refs(list_head); | |
758 | free(to_fetch); | |
759 | ||
760 | printf("\n"); | |
761 | fflush(stdout); | |
762 | strbuf_reset(buf); | |
763 | } | |
764 | ||
ae4efe19 SP |
765 | static int push_dav(int nr_spec, char **specs) |
766 | { | |
767 | const char **argv = xmalloc((10 + nr_spec) * sizeof(char*)); | |
768 | int argc = 0, i; | |
769 | ||
770 | argv[argc++] = "http-push"; | |
771 | argv[argc++] = "--helper-status"; | |
772 | if (options.dry_run) | |
773 | argv[argc++] = "--dry-run"; | |
774 | if (options.verbosity > 1) | |
775 | argv[argc++] = "--verbose"; | |
776 | argv[argc++] = url; | |
777 | for (i = 0; i < nr_spec; i++) | |
778 | argv[argc++] = specs[i]; | |
779 | argv[argc++] = NULL; | |
780 | ||
781 | if (run_command_v_opt(argv, RUN_GIT_CMD)) | |
782 | die("git-%s failed", argv[0]); | |
783 | free(argv); | |
784 | return 0; | |
785 | } | |
786 | ||
de1a2fdd SP |
787 | static int push_git(struct discovery *heads, int nr_spec, char **specs) |
788 | { | |
789 | struct rpc_state rpc; | |
790 | const char **argv; | |
791 | int argc = 0, i, err; | |
792 | ||
793 | argv = xmalloc((10 + nr_spec) * sizeof(char*)); | |
794 | argv[argc++] = "send-pack"; | |
795 | argv[argc++] = "--stateless-rpc"; | |
796 | argv[argc++] = "--helper-status"; | |
797 | if (options.thin) | |
798 | argv[argc++] = "--thin"; | |
799 | if (options.dry_run) | |
800 | argv[argc++] = "--dry-run"; | |
c207e34f CB |
801 | if (options.verbosity == 0) |
802 | argv[argc++] = "--quiet"; | |
803 | else if (options.verbosity > 1) | |
de1a2fdd | 804 | argv[argc++] = "--verbose"; |
391b1f20 | 805 | argv[argc++] = options.progress ? "--progress" : "--no-progress"; |
de1a2fdd SP |
806 | argv[argc++] = url; |
807 | for (i = 0; i < nr_spec; i++) | |
808 | argv[argc++] = specs[i]; | |
809 | argv[argc++] = NULL; | |
810 | ||
811 | memset(&rpc, 0, sizeof(rpc)); | |
812 | rpc.service_name = "git-receive-pack", | |
813 | rpc.argv = argv; | |
814 | ||
815 | err = rpc_service(&rpc, heads); | |
816 | if (rpc.result.len) | |
cdf4fb8e | 817 | write_or_die(1, rpc.result.buf, rpc.result.len); |
de1a2fdd SP |
818 | strbuf_release(&rpc.result); |
819 | free(argv); | |
820 | return err; | |
821 | } | |
822 | ||
823 | static int push(int nr_spec, char **specs) | |
824 | { | |
2a455202 | 825 | struct discovery *heads = discover_refs("git-receive-pack", 1); |
de1a2fdd SP |
826 | int ret; |
827 | ||
828 | if (heads->proto_git) | |
829 | ret = push_git(heads, nr_spec, specs); | |
830 | else | |
831 | ret = push_dav(nr_spec, specs); | |
832 | free_discovery(heads); | |
833 | return ret; | |
834 | } | |
835 | ||
ae4efe19 SP |
836 | static void parse_push(struct strbuf *buf) |
837 | { | |
838 | char **specs = NULL; | |
5238cbf6 | 839 | int alloc_spec = 0, nr_spec = 0, i, ret; |
ae4efe19 SP |
840 | |
841 | do { | |
842 | if (!prefixcmp(buf->buf, "push ")) { | |
843 | ALLOC_GROW(specs, nr_spec + 1, alloc_spec); | |
844 | specs[nr_spec++] = xstrdup(buf->buf + 5); | |
845 | } | |
846 | else | |
847 | die("http transport does not support %s", buf->buf); | |
848 | ||
849 | strbuf_reset(buf); | |
850 | if (strbuf_getline(buf, stdin, '\n') == EOF) | |
dc4cd767 | 851 | goto free_specs; |
ae4efe19 SP |
852 | if (!*buf->buf) |
853 | break; | |
854 | } while (1); | |
855 | ||
5238cbf6 | 856 | ret = push(nr_spec, specs); |
ae4efe19 SP |
857 | printf("\n"); |
858 | fflush(stdout); | |
dc4cd767 | 859 | |
5238cbf6 SP |
860 | if (ret) |
861 | exit(128); /* error already reported */ | |
862 | ||
dc4cd767 JM |
863 | free_specs: |
864 | for (i = 0; i < nr_spec; i++) | |
865 | free(specs[i]); | |
866 | free(specs); | |
ae4efe19 SP |
867 | } |
868 | ||
a2d725b7 DB |
869 | int main(int argc, const char **argv) |
870 | { | |
a2d725b7 | 871 | struct strbuf buf = STRBUF_INIT; |
a45d3d7e | 872 | int nongit; |
a2d725b7 | 873 | |
c6dfb399 | 874 | git_extract_argv0_path(argv[0]); |
a45d3d7e | 875 | setup_git_directory_gently(&nongit); |
a2d725b7 DB |
876 | if (argc < 2) { |
877 | fprintf(stderr, "Remote needed\n"); | |
878 | return 1; | |
879 | } | |
880 | ||
ef08ef9e SP |
881 | options.verbosity = 1; |
882 | options.progress = !!isatty(2); | |
de1a2fdd | 883 | options.thin = 1; |
ef08ef9e | 884 | |
a2d725b7 DB |
885 | remote = remote_get(argv[1]); |
886 | ||
887 | if (argc > 2) { | |
d8fab072 | 888 | end_url_with_slash(&buf, argv[2]); |
a2d725b7 | 889 | } else { |
d8fab072 | 890 | end_url_with_slash(&buf, remote->url[0]); |
a2d725b7 DB |
891 | } |
892 | ||
d8fab072 TRC |
893 | url = strbuf_detach(&buf, NULL); |
894 | ||
a4ddbc33 | 895 | http_init(remote, url, 0); |
888692b7 | 896 | |
a2d725b7 | 897 | do { |
1843f0ce SR |
898 | if (strbuf_getline(&buf, stdin, '\n') == EOF) { |
899 | if (ferror(stdin)) | |
900 | fprintf(stderr, "Error reading command stream\n"); | |
901 | else | |
902 | fprintf(stderr, "Unexpected end of command stream\n"); | |
903 | return 1; | |
904 | } | |
905 | if (buf.len == 0) | |
a2d725b7 DB |
906 | break; |
907 | if (!prefixcmp(buf.buf, "fetch ")) { | |
a45d3d7e DB |
908 | if (nongit) |
909 | die("Fetch attempted without a local repo"); | |
292ce46b SP |
910 | parse_fetch(&buf); |
911 | ||
ae4efe19 | 912 | } else if (!strcmp(buf.buf, "list") || !prefixcmp(buf.buf, "list ")) { |
97cc7bc4 SP |
913 | int for_push = !!strstr(buf.buf + 4, "for-push"); |
914 | output_refs(get_refs(for_push)); | |
ae4efe19 SP |
915 | |
916 | } else if (!prefixcmp(buf.buf, "push ")) { | |
917 | parse_push(&buf); | |
918 | ||
ef08ef9e SP |
919 | } else if (!prefixcmp(buf.buf, "option ")) { |
920 | char *name = buf.buf + strlen("option "); | |
921 | char *value = strchr(name, ' '); | |
922 | int result; | |
923 | ||
924 | if (value) | |
925 | *value++ = '\0'; | |
926 | else | |
927 | value = "true"; | |
928 | ||
929 | result = set_option(name, value); | |
930 | if (!result) | |
931 | printf("ok\n"); | |
932 | else if (result < 0) | |
933 | printf("error invalid value\n"); | |
934 | else | |
935 | printf("unsupported\n"); | |
a2d725b7 | 936 | fflush(stdout); |
ef08ef9e | 937 | |
a2d725b7 DB |
938 | } else if (!strcmp(buf.buf, "capabilities")) { |
939 | printf("fetch\n"); | |
ef08ef9e | 940 | printf("option\n"); |
ae4efe19 | 941 | printf("push\n"); |
a2d725b7 DB |
942 | printf("\n"); |
943 | fflush(stdout); | |
944 | } else { | |
1843f0ce | 945 | fprintf(stderr, "Unknown command '%s'\n", buf.buf); |
a2d725b7 DB |
946 | return 1; |
947 | } | |
948 | strbuf_reset(&buf); | |
949 | } while (1); | |
888692b7 TRC |
950 | |
951 | http_cleanup(); | |
952 | ||
a2d725b7 DB |
953 | return 0; |
954 | } |