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Commit | Line | Data |
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2f4038ab SP |
1 | #include "cache.h" |
2 | #include "refs.h" | |
3 | #include "pkt-line.h" | |
4 | #include "object.h" | |
5 | #include "tag.h" | |
6 | #include "exec_cmd.h" | |
556cfa3b SP |
7 | #include "run-command.h" |
8 | #include "string-list.h" | |
2f4038ab SP |
9 | |
10 | static const char content_type[] = "Content-Type"; | |
11 | static const char content_length[] = "Content-Length"; | |
12 | static const char last_modified[] = "Last-Modified"; | |
5abb013b | 13 | static int getanyfile = 1; |
2f4038ab | 14 | |
556cfa3b SP |
15 | static struct string_list *query_params; |
16 | ||
17 | struct rpc_service { | |
18 | const char *name; | |
19 | const char *config_name; | |
20 | signed enabled : 2; | |
21 | }; | |
22 | ||
23 | static struct rpc_service rpc_service[] = { | |
24 | { "upload-pack", "uploadpack", 1 }, | |
25 | { "receive-pack", "receivepack", -1 }, | |
26 | }; | |
27 | ||
28 | static int decode_char(const char *q) | |
29 | { | |
30 | int i; | |
31 | unsigned char val = 0; | |
32 | for (i = 0; i < 2; i++) { | |
33 | unsigned char c = *q++; | |
34 | val <<= 4; | |
35 | if (c >= '0' && c <= '9') | |
36 | val += c - '0'; | |
37 | else if (c >= 'a' && c <= 'f') | |
38 | val += c - 'a' + 10; | |
39 | else if (c >= 'A' && c <= 'F') | |
40 | val += c - 'A' + 10; | |
41 | else | |
42 | return -1; | |
43 | } | |
44 | return val; | |
45 | } | |
46 | ||
47 | static char *decode_parameter(const char **query, int is_name) | |
48 | { | |
49 | const char *q = *query; | |
50 | struct strbuf out; | |
51 | ||
52 | strbuf_init(&out, 16); | |
53 | do { | |
54 | unsigned char c = *q; | |
55 | ||
56 | if (!c) | |
57 | break; | |
58 | if (c == '&' || (is_name && c == '=')) { | |
59 | q++; | |
60 | break; | |
61 | } | |
62 | ||
63 | if (c == '%') { | |
64 | int val = decode_char(q + 1); | |
65 | if (0 <= val) { | |
66 | strbuf_addch(&out, val); | |
67 | q += 3; | |
68 | continue; | |
69 | } | |
70 | } | |
71 | ||
72 | if (c == '+') | |
73 | strbuf_addch(&out, ' '); | |
74 | else | |
75 | strbuf_addch(&out, c); | |
76 | q++; | |
77 | } while (1); | |
78 | *query = q; | |
79 | return strbuf_detach(&out, NULL); | |
80 | } | |
81 | ||
82 | static struct string_list *get_parameters(void) | |
83 | { | |
84 | if (!query_params) { | |
85 | const char *query = getenv("QUERY_STRING"); | |
86 | ||
87 | query_params = xcalloc(1, sizeof(*query_params)); | |
88 | while (query && *query) { | |
89 | char *name = decode_parameter(&query, 1); | |
90 | char *value = decode_parameter(&query, 0); | |
91 | struct string_list_item *i; | |
92 | ||
93 | i = string_list_lookup(name, query_params); | |
94 | if (!i) | |
95 | i = string_list_insert(name, query_params); | |
96 | else | |
97 | free(i->util); | |
98 | i->util = value; | |
99 | } | |
100 | } | |
101 | return query_params; | |
102 | } | |
103 | ||
104 | static const char *get_parameter(const char *name) | |
105 | { | |
106 | struct string_list_item *i; | |
107 | i = string_list_lookup(name, get_parameters()); | |
108 | return i ? i->util : NULL; | |
109 | } | |
110 | ||
35487017 | 111 | __attribute__((format (printf, 2, 3))) |
2f4038ab SP |
112 | static void format_write(int fd, const char *fmt, ...) |
113 | { | |
114 | static char buffer[1024]; | |
115 | ||
116 | va_list args; | |
117 | unsigned n; | |
118 | ||
119 | va_start(args, fmt); | |
120 | n = vsnprintf(buffer, sizeof(buffer), fmt, args); | |
121 | va_end(args); | |
122 | if (n >= sizeof(buffer)) | |
123 | die("protocol error: impossibly long line"); | |
124 | ||
125 | safe_write(fd, buffer, n); | |
126 | } | |
127 | ||
128 | static void http_status(unsigned code, const char *msg) | |
129 | { | |
130 | format_write(1, "Status: %u %s\r\n", code, msg); | |
131 | } | |
132 | ||
133 | static void hdr_str(const char *name, const char *value) | |
134 | { | |
135 | format_write(1, "%s: %s\r\n", name, value); | |
136 | } | |
137 | ||
4a5328d6 | 138 | static void hdr_int(const char *name, uintmax_t value) |
2f4038ab SP |
139 | { |
140 | format_write(1, "%s: %" PRIuMAX "\r\n", name, value); | |
141 | } | |
142 | ||
143 | static void hdr_date(const char *name, unsigned long when) | |
144 | { | |
145 | const char *value = show_date(when, 0, DATE_RFC2822); | |
146 | hdr_str(name, value); | |
147 | } | |
148 | ||
149 | static void hdr_nocache(void) | |
150 | { | |
151 | hdr_str("Expires", "Fri, 01 Jan 1980 00:00:00 GMT"); | |
152 | hdr_str("Pragma", "no-cache"); | |
153 | hdr_str("Cache-Control", "no-cache, max-age=0, must-revalidate"); | |
154 | } | |
155 | ||
156 | static void hdr_cache_forever(void) | |
157 | { | |
158 | unsigned long now = time(NULL); | |
159 | hdr_date("Date", now); | |
160 | hdr_date("Expires", now + 31536000); | |
161 | hdr_str("Cache-Control", "public, max-age=31536000"); | |
162 | } | |
163 | ||
164 | static void end_headers(void) | |
165 | { | |
166 | safe_write(1, "\r\n", 2); | |
167 | } | |
168 | ||
35487017 | 169 | __attribute__((format (printf, 1, 2))) |
2f4038ab SP |
170 | static NORETURN void not_found(const char *err, ...) |
171 | { | |
172 | va_list params; | |
173 | ||
174 | http_status(404, "Not Found"); | |
175 | hdr_nocache(); | |
176 | end_headers(); | |
177 | ||
178 | va_start(params, err); | |
179 | if (err && *err) | |
180 | vfprintf(stderr, err, params); | |
181 | va_end(params); | |
182 | exit(0); | |
183 | } | |
184 | ||
35487017 | 185 | __attribute__((format (printf, 1, 2))) |
556cfa3b SP |
186 | static NORETURN void forbidden(const char *err, ...) |
187 | { | |
188 | va_list params; | |
189 | ||
190 | http_status(403, "Forbidden"); | |
191 | hdr_nocache(); | |
192 | end_headers(); | |
193 | ||
194 | va_start(params, err); | |
195 | if (err && *err) | |
196 | vfprintf(stderr, err, params); | |
197 | va_end(params); | |
198 | exit(0); | |
199 | } | |
200 | ||
5abb013b SP |
201 | static void select_getanyfile(void) |
202 | { | |
203 | if (!getanyfile) | |
204 | forbidden("Unsupported service: getanyfile"); | |
205 | } | |
206 | ||
2f4038ab SP |
207 | static void send_strbuf(const char *type, struct strbuf *buf) |
208 | { | |
209 | hdr_int(content_length, buf->len); | |
210 | hdr_str(content_type, type); | |
211 | end_headers(); | |
212 | safe_write(1, buf->buf, buf->len); | |
213 | } | |
214 | ||
92815b33 | 215 | static void send_local_file(const char *the_type, const char *name) |
2f4038ab SP |
216 | { |
217 | const char *p = git_path("%s", name); | |
218 | size_t buf_alloc = 8192; | |
219 | char *buf = xmalloc(buf_alloc); | |
220 | int fd; | |
221 | struct stat sb; | |
2f4038ab SP |
222 | |
223 | fd = open(p, O_RDONLY); | |
224 | if (fd < 0) | |
225 | not_found("Cannot open '%s': %s", p, strerror(errno)); | |
226 | if (fstat(fd, &sb) < 0) | |
227 | die_errno("Cannot stat '%s'", p); | |
228 | ||
4a5328d6 | 229 | hdr_int(content_length, sb.st_size); |
2f4038ab SP |
230 | hdr_str(content_type, the_type); |
231 | hdr_date(last_modified, sb.st_mtime); | |
232 | end_headers(); | |
233 | ||
4a5328d6 | 234 | for (;;) { |
2f4038ab SP |
235 | ssize_t n = xread(fd, buf, buf_alloc); |
236 | if (n < 0) | |
237 | die_errno("Cannot read '%s'", p); | |
238 | if (!n) | |
239 | break; | |
240 | safe_write(1, buf, n); | |
241 | } | |
242 | close(fd); | |
243 | free(buf); | |
244 | } | |
245 | ||
246 | static void get_text_file(char *name) | |
247 | { | |
5abb013b | 248 | select_getanyfile(); |
2f4038ab | 249 | hdr_nocache(); |
92815b33 | 250 | send_local_file("text/plain", name); |
2f4038ab SP |
251 | } |
252 | ||
253 | static void get_loose_object(char *name) | |
254 | { | |
5abb013b | 255 | select_getanyfile(); |
2f4038ab | 256 | hdr_cache_forever(); |
92815b33 | 257 | send_local_file("application/x-git-loose-object", name); |
2f4038ab SP |
258 | } |
259 | ||
260 | static void get_pack_file(char *name) | |
261 | { | |
5abb013b | 262 | select_getanyfile(); |
2f4038ab | 263 | hdr_cache_forever(); |
92815b33 | 264 | send_local_file("application/x-git-packed-objects", name); |
2f4038ab SP |
265 | } |
266 | ||
267 | static void get_idx_file(char *name) | |
268 | { | |
5abb013b | 269 | select_getanyfile(); |
2f4038ab | 270 | hdr_cache_forever(); |
92815b33 | 271 | send_local_file("application/x-git-packed-objects-toc", name); |
2f4038ab SP |
272 | } |
273 | ||
556cfa3b SP |
274 | static int http_config(const char *var, const char *value, void *cb) |
275 | { | |
5abb013b SP |
276 | if (!strcmp(var, "http.getanyfile")) { |
277 | getanyfile = git_config_bool(var, value); | |
556cfa3b SP |
278 | return 0; |
279 | } | |
280 | ||
5abb013b SP |
281 | if (!prefixcmp(var, "http.")) { |
282 | int i; | |
283 | ||
284 | for (i = 0; i < ARRAY_SIZE(rpc_service); i++) { | |
285 | struct rpc_service *svc = &rpc_service[i]; | |
286 | if (!strcmp(var + 5, svc->config_name)) { | |
287 | svc->enabled = git_config_bool(var, value); | |
288 | return 0; | |
289 | } | |
290 | } | |
291 | } | |
292 | ||
556cfa3b SP |
293 | /* we are not interested in parsing any other configuration here */ |
294 | return 0; | |
295 | } | |
296 | ||
297 | static struct rpc_service *select_service(const char *name) | |
298 | { | |
299 | struct rpc_service *svc = NULL; | |
300 | int i; | |
301 | ||
302 | if (prefixcmp(name, "git-")) | |
303 | forbidden("Unsupported service: '%s'", name); | |
304 | ||
305 | for (i = 0; i < ARRAY_SIZE(rpc_service); i++) { | |
306 | struct rpc_service *s = &rpc_service[i]; | |
307 | if (!strcmp(s->name, name + 4)) { | |
308 | svc = s; | |
309 | break; | |
310 | } | |
311 | } | |
312 | ||
313 | if (!svc) | |
314 | forbidden("Unsupported service: '%s'", name); | |
315 | ||
556cfa3b SP |
316 | if (svc->enabled < 0) { |
317 | const char *user = getenv("REMOTE_USER"); | |
318 | svc->enabled = (user && *user) ? 1 : 0; | |
319 | } | |
320 | if (!svc->enabled) | |
321 | forbidden("Service not enabled: '%s'", svc->name); | |
322 | return svc; | |
323 | } | |
324 | ||
325 | static void inflate_request(const char *prog_name, int out) | |
326 | { | |
327 | z_stream stream; | |
328 | unsigned char in_buf[8192]; | |
329 | unsigned char out_buf[8192]; | |
330 | unsigned long cnt = 0; | |
331 | int ret; | |
332 | ||
333 | memset(&stream, 0, sizeof(stream)); | |
334 | ret = inflateInit2(&stream, (15 + 16)); | |
335 | if (ret != Z_OK) | |
336 | die("cannot start zlib inflater, zlib err %d", ret); | |
337 | ||
338 | while (1) { | |
339 | ssize_t n = xread(0, in_buf, sizeof(in_buf)); | |
340 | if (n <= 0) | |
341 | die("request ended in the middle of the gzip stream"); | |
342 | ||
343 | stream.next_in = in_buf; | |
344 | stream.avail_in = n; | |
345 | ||
346 | while (0 < stream.avail_in) { | |
347 | int ret; | |
348 | ||
349 | stream.next_out = out_buf; | |
350 | stream.avail_out = sizeof(out_buf); | |
351 | ||
352 | ret = inflate(&stream, Z_NO_FLUSH); | |
353 | if (ret != Z_OK && ret != Z_STREAM_END) | |
354 | die("zlib error inflating request, result %d", ret); | |
355 | ||
356 | n = stream.total_out - cnt; | |
357 | if (write_in_full(out, out_buf, n) != n) | |
358 | die("%s aborted reading request", prog_name); | |
359 | cnt += n; | |
360 | ||
361 | if (ret == Z_STREAM_END) | |
362 | goto done; | |
363 | } | |
364 | } | |
365 | ||
366 | done: | |
367 | inflateEnd(&stream); | |
368 | close(out); | |
369 | } | |
370 | ||
371 | static void run_service(const char **argv) | |
372 | { | |
373 | const char *encoding = getenv("HTTP_CONTENT_ENCODING"); | |
374 | const char *user = getenv("REMOTE_USER"); | |
375 | const char *host = getenv("REMOTE_ADDR"); | |
376 | char *env[3]; | |
377 | struct strbuf buf = STRBUF_INIT; | |
378 | int gzipped_request = 0; | |
379 | struct child_process cld; | |
380 | ||
381 | if (encoding && !strcmp(encoding, "gzip")) | |
382 | gzipped_request = 1; | |
383 | else if (encoding && !strcmp(encoding, "x-gzip")) | |
384 | gzipped_request = 1; | |
385 | ||
386 | if (!user || !*user) | |
387 | user = "anonymous"; | |
388 | if (!host || !*host) | |
389 | host = "(none)"; | |
390 | ||
391 | memset(&env, 0, sizeof(env)); | |
392 | strbuf_addf(&buf, "GIT_COMMITTER_NAME=%s", user); | |
393 | env[0] = strbuf_detach(&buf, NULL); | |
394 | ||
395 | strbuf_addf(&buf, "GIT_COMMITTER_EMAIL=%s@http.%s", user, host); | |
396 | env[1] = strbuf_detach(&buf, NULL); | |
397 | env[2] = NULL; | |
398 | ||
399 | memset(&cld, 0, sizeof(cld)); | |
400 | cld.argv = argv; | |
401 | cld.env = (const char *const *)env; | |
402 | if (gzipped_request) | |
403 | cld.in = -1; | |
404 | cld.git_cmd = 1; | |
405 | if (start_command(&cld)) | |
406 | exit(1); | |
407 | ||
408 | close(1); | |
409 | if (gzipped_request) | |
410 | inflate_request(argv[0], cld.in); | |
411 | else | |
412 | close(0); | |
413 | ||
414 | if (finish_command(&cld)) | |
415 | exit(1); | |
416 | free(env[0]); | |
417 | free(env[1]); | |
418 | strbuf_release(&buf); | |
419 | } | |
420 | ||
2f4038ab SP |
421 | static int show_text_ref(const char *name, const unsigned char *sha1, |
422 | int flag, void *cb_data) | |
423 | { | |
424 | struct strbuf *buf = cb_data; | |
425 | struct object *o = parse_object(sha1); | |
426 | if (!o) | |
427 | return 0; | |
428 | ||
429 | strbuf_addf(buf, "%s\t%s\n", sha1_to_hex(sha1), name); | |
430 | if (o->type == OBJ_TAG) { | |
431 | o = deref_tag(o, name, 0); | |
432 | if (!o) | |
433 | return 0; | |
434 | strbuf_addf(buf, "%s\t%s^{}\n", sha1_to_hex(o->sha1), name); | |
435 | } | |
436 | return 0; | |
437 | } | |
438 | ||
439 | static void get_info_refs(char *arg) | |
440 | { | |
556cfa3b | 441 | const char *service_name = get_parameter("service"); |
2f4038ab SP |
442 | struct strbuf buf = STRBUF_INIT; |
443 | ||
2f4038ab | 444 | hdr_nocache(); |
556cfa3b SP |
445 | |
446 | if (service_name) { | |
447 | const char *argv[] = {NULL /* service name */, | |
448 | "--stateless-rpc", "--advertise-refs", | |
449 | ".", NULL}; | |
450 | struct rpc_service *svc = select_service(service_name); | |
451 | ||
452 | strbuf_addf(&buf, "application/x-git-%s-advertisement", | |
453 | svc->name); | |
454 | hdr_str(content_type, buf.buf); | |
455 | end_headers(); | |
456 | ||
457 | packet_write(1, "# service=git-%s\n", svc->name); | |
458 | packet_flush(1); | |
459 | ||
460 | argv[0] = svc->name; | |
461 | run_service(argv); | |
462 | ||
463 | } else { | |
5abb013b | 464 | select_getanyfile(); |
556cfa3b SP |
465 | for_each_ref(show_text_ref, &buf); |
466 | send_strbuf("text/plain", &buf); | |
467 | } | |
2f4038ab SP |
468 | strbuf_release(&buf); |
469 | } | |
470 | ||
471 | static void get_info_packs(char *arg) | |
472 | { | |
473 | size_t objdirlen = strlen(get_object_directory()); | |
474 | struct strbuf buf = STRBUF_INIT; | |
475 | struct packed_git *p; | |
476 | size_t cnt = 0; | |
477 | ||
5abb013b | 478 | select_getanyfile(); |
2f4038ab SP |
479 | prepare_packed_git(); |
480 | for (p = packed_git; p; p = p->next) { | |
481 | if (p->pack_local) | |
482 | cnt++; | |
483 | } | |
484 | ||
485 | strbuf_grow(&buf, cnt * 53 + 2); | |
486 | for (p = packed_git; p; p = p->next) { | |
487 | if (p->pack_local) | |
488 | strbuf_addf(&buf, "P %s\n", p->pack_name + objdirlen + 6); | |
489 | } | |
490 | strbuf_addch(&buf, '\n'); | |
491 | ||
492 | hdr_nocache(); | |
493 | send_strbuf("text/plain; charset=utf-8", &buf); | |
494 | strbuf_release(&buf); | |
495 | } | |
496 | ||
556cfa3b SP |
497 | static void check_content_type(const char *accepted_type) |
498 | { | |
499 | const char *actual_type = getenv("CONTENT_TYPE"); | |
500 | ||
501 | if (!actual_type) | |
502 | actual_type = ""; | |
503 | ||
504 | if (strcmp(actual_type, accepted_type)) { | |
505 | http_status(415, "Unsupported Media Type"); | |
506 | hdr_nocache(); | |
507 | end_headers(); | |
508 | format_write(1, | |
509 | "Expected POST with Content-Type '%s'," | |
510 | " but received '%s' instead.\n", | |
511 | accepted_type, actual_type); | |
512 | exit(0); | |
513 | } | |
514 | } | |
515 | ||
516 | static void service_rpc(char *service_name) | |
517 | { | |
518 | const char *argv[] = {NULL, "--stateless-rpc", ".", NULL}; | |
519 | struct rpc_service *svc = select_service(service_name); | |
520 | struct strbuf buf = STRBUF_INIT; | |
521 | ||
522 | strbuf_reset(&buf); | |
523 | strbuf_addf(&buf, "application/x-git-%s-request", svc->name); | |
524 | check_content_type(buf.buf); | |
525 | ||
526 | hdr_nocache(); | |
527 | ||
528 | strbuf_reset(&buf); | |
529 | strbuf_addf(&buf, "application/x-git-%s-result", svc->name); | |
530 | hdr_str(content_type, buf.buf); | |
531 | ||
532 | end_headers(); | |
533 | ||
534 | argv[0] = svc->name; | |
535 | run_service(argv); | |
536 | strbuf_release(&buf); | |
537 | } | |
538 | ||
2f4038ab SP |
539 | static NORETURN void die_webcgi(const char *err, va_list params) |
540 | { | |
541 | char buffer[1000]; | |
542 | ||
543 | http_status(500, "Internal Server Error"); | |
544 | hdr_nocache(); | |
545 | end_headers(); | |
546 | ||
547 | vsnprintf(buffer, sizeof(buffer), err, params); | |
548 | fprintf(stderr, "fatal: %s\n", buffer); | |
549 | exit(0); | |
550 | } | |
551 | ||
917adc03 ML |
552 | static char* getdir(void) |
553 | { | |
554 | struct strbuf buf = STRBUF_INIT; | |
555 | char *pathinfo = getenv("PATH_INFO"); | |
556 | char *root = getenv("GIT_PROJECT_ROOT"); | |
557 | char *path = getenv("PATH_TRANSLATED"); | |
558 | ||
559 | if (root && *root) { | |
560 | if (!pathinfo || !*pathinfo) | |
561 | die("GIT_PROJECT_ROOT is set but PATH_INFO is not"); | |
34b6cb8b SP |
562 | if (daemon_avoid_alias(pathinfo)) |
563 | die("'%s': aliased", pathinfo); | |
917adc03 | 564 | strbuf_addstr(&buf, root); |
34b6cb8b SP |
565 | if (buf.buf[buf.len - 1] != '/') |
566 | strbuf_addch(&buf, '/'); | |
567 | if (pathinfo[0] == '/') | |
568 | pathinfo++; | |
917adc03 ML |
569 | strbuf_addstr(&buf, pathinfo); |
570 | return strbuf_detach(&buf, NULL); | |
571 | } else if (path && *path) { | |
572 | return xstrdup(path); | |
573 | } else | |
574 | die("No GIT_PROJECT_ROOT or PATH_TRANSLATED from server"); | |
575 | return NULL; | |
576 | } | |
577 | ||
2f4038ab SP |
578 | static struct service_cmd { |
579 | const char *method; | |
580 | const char *pattern; | |
581 | void (*imp)(char *); | |
582 | } services[] = { | |
583 | {"GET", "/HEAD$", get_text_file}, | |
584 | {"GET", "/info/refs$", get_info_refs}, | |
585 | {"GET", "/objects/info/alternates$", get_text_file}, | |
586 | {"GET", "/objects/info/http-alternates$", get_text_file}, | |
587 | {"GET", "/objects/info/packs$", get_info_packs}, | |
588 | {"GET", "/objects/[0-9a-f]{2}/[0-9a-f]{38}$", get_loose_object}, | |
589 | {"GET", "/objects/pack/pack-[0-9a-f]{40}\\.pack$", get_pack_file}, | |
556cfa3b SP |
590 | {"GET", "/objects/pack/pack-[0-9a-f]{40}\\.idx$", get_idx_file}, |
591 | ||
592 | {"POST", "/git-upload-pack$", service_rpc}, | |
593 | {"POST", "/git-receive-pack$", service_rpc} | |
2f4038ab SP |
594 | }; |
595 | ||
596 | int main(int argc, char **argv) | |
597 | { | |
598 | char *method = getenv("REQUEST_METHOD"); | |
917adc03 | 599 | char *dir; |
2f4038ab SP |
600 | struct service_cmd *cmd = NULL; |
601 | char *cmd_arg = NULL; | |
602 | int i; | |
603 | ||
604 | git_extract_argv0_path(argv[0]); | |
605 | set_die_routine(die_webcgi); | |
606 | ||
607 | if (!method) | |
608 | die("No REQUEST_METHOD from server"); | |
609 | if (!strcmp(method, "HEAD")) | |
610 | method = "GET"; | |
917adc03 | 611 | dir = getdir(); |
2f4038ab SP |
612 | |
613 | for (i = 0; i < ARRAY_SIZE(services); i++) { | |
614 | struct service_cmd *c = &services[i]; | |
615 | regex_t re; | |
616 | regmatch_t out[1]; | |
617 | ||
618 | if (regcomp(&re, c->pattern, REG_EXTENDED)) | |
619 | die("Bogus regex in service table: %s", c->pattern); | |
620 | if (!regexec(&re, dir, 1, out, 0)) { | |
48aec1b1 | 621 | size_t n; |
2f4038ab SP |
622 | |
623 | if (strcmp(method, c->method)) { | |
624 | const char *proto = getenv("SERVER_PROTOCOL"); | |
625 | if (proto && !strcmp(proto, "HTTP/1.1")) | |
626 | http_status(405, "Method Not Allowed"); | |
627 | else | |
628 | http_status(400, "Bad Request"); | |
629 | hdr_nocache(); | |
630 | end_headers(); | |
631 | return 0; | |
632 | } | |
633 | ||
634 | cmd = c; | |
48aec1b1 | 635 | n = out[0].rm_eo - out[0].rm_so; |
2f4038ab | 636 | cmd_arg = xmalloc(n); |
48aec1b1 TC |
637 | memcpy(cmd_arg, dir + out[0].rm_so + 1, n-1); |
638 | cmd_arg[n-1] = '\0'; | |
2f4038ab SP |
639 | dir[out[0].rm_so] = 0; |
640 | break; | |
641 | } | |
642 | regfree(&re); | |
643 | } | |
644 | ||
645 | if (!cmd) | |
646 | not_found("Request not supported: '%s'", dir); | |
647 | ||
648 | setup_path(); | |
649 | if (!enter_repo(dir, 0)) | |
650 | not_found("Not a git repository: '%s'", dir); | |
8b2bd7cd TC |
651 | if (!getenv("GIT_HTTP_EXPORT_ALL") && |
652 | access("git-daemon-export-ok", F_OK) ) | |
653 | not_found("Repository not exported: '%s'", dir); | |
2f4038ab | 654 | |
5abb013b | 655 | git_config(http_config, NULL); |
2f4038ab SP |
656 | cmd->imp(cmd_arg); |
657 | return 0; | |
658 | } |