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1 | #include "git-compat-util.h" | |
2 | #include "cache.h" | |
3 | #include "pkt-line.h" | |
4 | #include "quote.h" | |
5 | #include "refs.h" | |
6 | #include "run-command.h" | |
7 | #include "remote.h" | |
8 | #include "url.h" | |
9 | ||
10 | static char *server_capabilities; | |
11 | ||
12 | static int check_ref(const char *name, int len, unsigned int flags) | |
13 | { | |
14 | if (!flags) | |
15 | return 1; | |
16 | ||
17 | if (len < 5 || memcmp(name, "refs/", 5)) | |
18 | return 0; | |
19 | ||
20 | /* Skip the "refs/" part */ | |
21 | name += 5; | |
22 | len -= 5; | |
23 | ||
24 | /* REF_NORMAL means that we don't want the magic fake tag refs */ | |
25 | if ((flags & REF_NORMAL) && check_refname_format(name, 0)) | |
26 | return 0; | |
27 | ||
28 | /* REF_HEADS means that we want regular branch heads */ | |
29 | if ((flags & REF_HEADS) && !memcmp(name, "heads/", 6)) | |
30 | return 1; | |
31 | ||
32 | /* REF_TAGS means that we want tags */ | |
33 | if ((flags & REF_TAGS) && !memcmp(name, "tags/", 5)) | |
34 | return 1; | |
35 | ||
36 | /* All type bits clear means that we are ok with anything */ | |
37 | return !(flags & ~REF_NORMAL); | |
38 | } | |
39 | ||
40 | int check_ref_type(const struct ref *ref, int flags) | |
41 | { | |
42 | return check_ref(ref->name, strlen(ref->name), flags); | |
43 | } | |
44 | ||
45 | static void add_extra_have(struct extra_have_objects *extra, unsigned char *sha1) | |
46 | { | |
47 | ALLOC_GROW(extra->array, extra->nr + 1, extra->alloc); | |
48 | hashcpy(&(extra->array[extra->nr][0]), sha1); | |
49 | extra->nr++; | |
50 | } | |
51 | ||
52 | static void die_initial_contact(int got_at_least_one_head) | |
53 | { | |
54 | if (got_at_least_one_head) | |
55 | die("The remote end hung up upon initial contact"); | |
56 | else | |
57 | die("Could not read from remote repository.\n\n" | |
58 | "Please make sure you have the correct access rights\n" | |
59 | "and the repository exists."); | |
60 | } | |
61 | ||
62 | /* | |
63 | * Read all the refs from the other end | |
64 | */ | |
65 | struct ref **get_remote_heads(int in, struct ref **list, | |
66 | unsigned int flags, | |
67 | struct extra_have_objects *extra_have) | |
68 | { | |
69 | int got_at_least_one_head = 0; | |
70 | ||
71 | *list = NULL; | |
72 | for (;;) { | |
73 | struct ref *ref; | |
74 | unsigned char old_sha1[20]; | |
75 | static char buffer[1000]; | |
76 | char *name; | |
77 | int len, name_len; | |
78 | ||
79 | len = packet_read(in, buffer, sizeof(buffer)); | |
80 | if (len < 0) | |
81 | die_initial_contact(got_at_least_one_head); | |
82 | ||
83 | if (!len) | |
84 | break; | |
85 | if (buffer[len-1] == '\n') | |
86 | buffer[--len] = 0; | |
87 | ||
88 | if (len > 4 && !prefixcmp(buffer, "ERR ")) | |
89 | die("remote error: %s", buffer + 4); | |
90 | ||
91 | if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ') | |
92 | die("protocol error: expected sha/ref, got '%s'", buffer); | |
93 | name = buffer + 41; | |
94 | ||
95 | name_len = strlen(name); | |
96 | if (len != name_len + 41) { | |
97 | free(server_capabilities); | |
98 | server_capabilities = xstrdup(name + name_len + 1); | |
99 | } | |
100 | ||
101 | if (extra_have && | |
102 | name_len == 5 && !memcmp(".have", name, 5)) { | |
103 | add_extra_have(extra_have, old_sha1); | |
104 | continue; | |
105 | } | |
106 | ||
107 | if (!check_ref(name, name_len, flags)) | |
108 | continue; | |
109 | ref = alloc_ref(buffer + 41); | |
110 | hashcpy(ref->old_sha1, old_sha1); | |
111 | *list = ref; | |
112 | list = &ref->next; | |
113 | got_at_least_one_head = 1; | |
114 | } | |
115 | return list; | |
116 | } | |
117 | ||
118 | const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp) | |
119 | { | |
120 | int len; | |
121 | ||
122 | if (!feature_list) | |
123 | return NULL; | |
124 | ||
125 | len = strlen(feature); | |
126 | while (*feature_list) { | |
127 | const char *found = strstr(feature_list, feature); | |
128 | if (!found) | |
129 | return NULL; | |
130 | if (feature_list == found || isspace(found[-1])) { | |
131 | const char *value = found + len; | |
132 | /* feature with no value (e.g., "thin-pack") */ | |
133 | if (!*value || isspace(*value)) { | |
134 | if (lenp) | |
135 | *lenp = 0; | |
136 | return value; | |
137 | } | |
138 | /* feature with a value (e.g., "agent=git/1.2.3") */ | |
139 | else if (*value == '=') { | |
140 | value++; | |
141 | if (lenp) | |
142 | *lenp = strcspn(value, " \t\n"); | |
143 | return value; | |
144 | } | |
145 | /* | |
146 | * otherwise we matched a substring of another feature; | |
147 | * keep looking | |
148 | */ | |
149 | } | |
150 | feature_list = found + 1; | |
151 | } | |
152 | return NULL; | |
153 | } | |
154 | ||
155 | int parse_feature_request(const char *feature_list, const char *feature) | |
156 | { | |
157 | return !!parse_feature_value(feature_list, feature, NULL); | |
158 | } | |
159 | ||
160 | const char *server_feature_value(const char *feature, int *len) | |
161 | { | |
162 | return parse_feature_value(server_capabilities, feature, len); | |
163 | } | |
164 | ||
165 | int server_supports(const char *feature) | |
166 | { | |
167 | return !!server_feature_value(feature, NULL); | |
168 | } | |
169 | ||
170 | enum protocol { | |
171 | PROTO_LOCAL = 1, | |
172 | PROTO_SSH, | |
173 | PROTO_GIT | |
174 | }; | |
175 | ||
176 | static enum protocol get_protocol(const char *name) | |
177 | { | |
178 | if (!strcmp(name, "ssh")) | |
179 | return PROTO_SSH; | |
180 | if (!strcmp(name, "git")) | |
181 | return PROTO_GIT; | |
182 | if (!strcmp(name, "git+ssh")) | |
183 | return PROTO_SSH; | |
184 | if (!strcmp(name, "ssh+git")) | |
185 | return PROTO_SSH; | |
186 | if (!strcmp(name, "file")) | |
187 | return PROTO_LOCAL; | |
188 | die("I don't handle protocol '%s'", name); | |
189 | } | |
190 | ||
191 | #define STR_(s) # s | |
192 | #define STR(s) STR_(s) | |
193 | ||
194 | static void get_host_and_port(char **host, const char **port) | |
195 | { | |
196 | char *colon, *end; | |
197 | ||
198 | if (*host[0] == '[') { | |
199 | end = strchr(*host + 1, ']'); | |
200 | if (end) { | |
201 | *end = 0; | |
202 | end++; | |
203 | (*host)++; | |
204 | } else | |
205 | end = *host; | |
206 | } else | |
207 | end = *host; | |
208 | colon = strchr(end, ':'); | |
209 | ||
210 | if (colon) { | |
211 | *colon = 0; | |
212 | *port = colon + 1; | |
213 | } | |
214 | } | |
215 | ||
216 | static void enable_keepalive(int sockfd) | |
217 | { | |
218 | int ka = 1; | |
219 | ||
220 | if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &ka, sizeof(ka)) < 0) | |
221 | fprintf(stderr, "unable to set SO_KEEPALIVE on socket: %s\n", | |
222 | strerror(errno)); | |
223 | } | |
224 | ||
225 | #ifndef NO_IPV6 | |
226 | ||
227 | static const char *ai_name(const struct addrinfo *ai) | |
228 | { | |
229 | static char addr[NI_MAXHOST]; | |
230 | if (getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, sizeof(addr), NULL, 0, | |
231 | NI_NUMERICHOST) != 0) | |
232 | strcpy(addr, "(unknown)"); | |
233 | ||
234 | return addr; | |
235 | } | |
236 | ||
237 | /* | |
238 | * Returns a connected socket() fd, or else die()s. | |
239 | */ | |
240 | static int git_tcp_connect_sock(char *host, int flags) | |
241 | { | |
242 | struct strbuf error_message = STRBUF_INIT; | |
243 | int sockfd = -1; | |
244 | const char *port = STR(DEFAULT_GIT_PORT); | |
245 | struct addrinfo hints, *ai0, *ai; | |
246 | int gai; | |
247 | int cnt = 0; | |
248 | ||
249 | get_host_and_port(&host, &port); | |
250 | if (!*port) | |
251 | port = "<none>"; | |
252 | ||
253 | memset(&hints, 0, sizeof(hints)); | |
254 | hints.ai_socktype = SOCK_STREAM; | |
255 | hints.ai_protocol = IPPROTO_TCP; | |
256 | ||
257 | if (flags & CONNECT_VERBOSE) | |
258 | fprintf(stderr, "Looking up %s ... ", host); | |
259 | ||
260 | gai = getaddrinfo(host, port, &hints, &ai); | |
261 | if (gai) | |
262 | die("Unable to look up %s (port %s) (%s)", host, port, gai_strerror(gai)); | |
263 | ||
264 | if (flags & CONNECT_VERBOSE) | |
265 | fprintf(stderr, "done.\nConnecting to %s (port %s) ... ", host, port); | |
266 | ||
267 | for (ai0 = ai; ai; ai = ai->ai_next, cnt++) { | |
268 | sockfd = socket(ai->ai_family, | |
269 | ai->ai_socktype, ai->ai_protocol); | |
270 | if ((sockfd < 0) || | |
271 | (connect(sockfd, ai->ai_addr, ai->ai_addrlen) < 0)) { | |
272 | strbuf_addf(&error_message, "%s[%d: %s]: errno=%s\n", | |
273 | host, cnt, ai_name(ai), strerror(errno)); | |
274 | if (0 <= sockfd) | |
275 | close(sockfd); | |
276 | sockfd = -1; | |
277 | continue; | |
278 | } | |
279 | if (flags & CONNECT_VERBOSE) | |
280 | fprintf(stderr, "%s ", ai_name(ai)); | |
281 | break; | |
282 | } | |
283 | ||
284 | freeaddrinfo(ai0); | |
285 | ||
286 | if (sockfd < 0) | |
287 | die("unable to connect to %s:\n%s", host, error_message.buf); | |
288 | ||
289 | enable_keepalive(sockfd); | |
290 | ||
291 | if (flags & CONNECT_VERBOSE) | |
292 | fprintf(stderr, "done.\n"); | |
293 | ||
294 | strbuf_release(&error_message); | |
295 | ||
296 | return sockfd; | |
297 | } | |
298 | ||
299 | #else /* NO_IPV6 */ | |
300 | ||
301 | /* | |
302 | * Returns a connected socket() fd, or else die()s. | |
303 | */ | |
304 | static int git_tcp_connect_sock(char *host, int flags) | |
305 | { | |
306 | struct strbuf error_message = STRBUF_INIT; | |
307 | int sockfd = -1; | |
308 | const char *port = STR(DEFAULT_GIT_PORT); | |
309 | char *ep; | |
310 | struct hostent *he; | |
311 | struct sockaddr_in sa; | |
312 | char **ap; | |
313 | unsigned int nport; | |
314 | int cnt; | |
315 | ||
316 | get_host_and_port(&host, &port); | |
317 | ||
318 | if (flags & CONNECT_VERBOSE) | |
319 | fprintf(stderr, "Looking up %s ... ", host); | |
320 | ||
321 | he = gethostbyname(host); | |
322 | if (!he) | |
323 | die("Unable to look up %s (%s)", host, hstrerror(h_errno)); | |
324 | nport = strtoul(port, &ep, 10); | |
325 | if ( ep == port || *ep ) { | |
326 | /* Not numeric */ | |
327 | struct servent *se = getservbyname(port,"tcp"); | |
328 | if ( !se ) | |
329 | die("Unknown port %s", port); | |
330 | nport = se->s_port; | |
331 | } | |
332 | ||
333 | if (flags & CONNECT_VERBOSE) | |
334 | fprintf(stderr, "done.\nConnecting to %s (port %s) ... ", host, port); | |
335 | ||
336 | for (cnt = 0, ap = he->h_addr_list; *ap; ap++, cnt++) { | |
337 | memset(&sa, 0, sizeof sa); | |
338 | sa.sin_family = he->h_addrtype; | |
339 | sa.sin_port = htons(nport); | |
340 | memcpy(&sa.sin_addr, *ap, he->h_length); | |
341 | ||
342 | sockfd = socket(he->h_addrtype, SOCK_STREAM, 0); | |
343 | if ((sockfd < 0) || | |
344 | connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) { | |
345 | strbuf_addf(&error_message, "%s[%d: %s]: errno=%s\n", | |
346 | host, | |
347 | cnt, | |
348 | inet_ntoa(*(struct in_addr *)&sa.sin_addr), | |
349 | strerror(errno)); | |
350 | if (0 <= sockfd) | |
351 | close(sockfd); | |
352 | sockfd = -1; | |
353 | continue; | |
354 | } | |
355 | if (flags & CONNECT_VERBOSE) | |
356 | fprintf(stderr, "%s ", | |
357 | inet_ntoa(*(struct in_addr *)&sa.sin_addr)); | |
358 | break; | |
359 | } | |
360 | ||
361 | if (sockfd < 0) | |
362 | die("unable to connect to %s:\n%s", host, error_message.buf); | |
363 | ||
364 | enable_keepalive(sockfd); | |
365 | ||
366 | if (flags & CONNECT_VERBOSE) | |
367 | fprintf(stderr, "done.\n"); | |
368 | ||
369 | return sockfd; | |
370 | } | |
371 | ||
372 | #endif /* NO_IPV6 */ | |
373 | ||
374 | ||
375 | static void git_tcp_connect(int fd[2], char *host, int flags) | |
376 | { | |
377 | int sockfd = git_tcp_connect_sock(host, flags); | |
378 | ||
379 | fd[0] = sockfd; | |
380 | fd[1] = dup(sockfd); | |
381 | } | |
382 | ||
383 | ||
384 | static char *git_proxy_command; | |
385 | ||
386 | static int git_proxy_command_options(const char *var, const char *value, | |
387 | void *cb) | |
388 | { | |
389 | if (!strcmp(var, "core.gitproxy")) { | |
390 | const char *for_pos; | |
391 | int matchlen = -1; | |
392 | int hostlen; | |
393 | const char *rhost_name = cb; | |
394 | int rhost_len = strlen(rhost_name); | |
395 | ||
396 | if (git_proxy_command) | |
397 | return 0; | |
398 | if (!value) | |
399 | return config_error_nonbool(var); | |
400 | /* [core] | |
401 | * ;# matches www.kernel.org as well | |
402 | * gitproxy = netcatter-1 for kernel.org | |
403 | * gitproxy = netcatter-2 for sample.xz | |
404 | * gitproxy = netcatter-default | |
405 | */ | |
406 | for_pos = strstr(value, " for "); | |
407 | if (!for_pos) | |
408 | /* matches everybody */ | |
409 | matchlen = strlen(value); | |
410 | else { | |
411 | hostlen = strlen(for_pos + 5); | |
412 | if (rhost_len < hostlen) | |
413 | matchlen = -1; | |
414 | else if (!strncmp(for_pos + 5, | |
415 | rhost_name + rhost_len - hostlen, | |
416 | hostlen) && | |
417 | ((rhost_len == hostlen) || | |
418 | rhost_name[rhost_len - hostlen -1] == '.')) | |
419 | matchlen = for_pos - value; | |
420 | else | |
421 | matchlen = -1; | |
422 | } | |
423 | if (0 <= matchlen) { | |
424 | /* core.gitproxy = none for kernel.org */ | |
425 | if (matchlen == 4 && | |
426 | !memcmp(value, "none", 4)) | |
427 | matchlen = 0; | |
428 | git_proxy_command = xmemdupz(value, matchlen); | |
429 | } | |
430 | return 0; | |
431 | } | |
432 | ||
433 | return git_default_config(var, value, cb); | |
434 | } | |
435 | ||
436 | static int git_use_proxy(const char *host) | |
437 | { | |
438 | git_proxy_command = getenv("GIT_PROXY_COMMAND"); | |
439 | git_config(git_proxy_command_options, (void*)host); | |
440 | return (git_proxy_command && *git_proxy_command); | |
441 | } | |
442 | ||
443 | static struct child_process *git_proxy_connect(int fd[2], char *host) | |
444 | { | |
445 | const char *port = STR(DEFAULT_GIT_PORT); | |
446 | const char **argv; | |
447 | struct child_process *proxy; | |
448 | ||
449 | get_host_and_port(&host, &port); | |
450 | ||
451 | argv = xmalloc(sizeof(*argv) * 4); | |
452 | argv[0] = git_proxy_command; | |
453 | argv[1] = host; | |
454 | argv[2] = port; | |
455 | argv[3] = NULL; | |
456 | proxy = xcalloc(1, sizeof(*proxy)); | |
457 | proxy->argv = argv; | |
458 | proxy->in = -1; | |
459 | proxy->out = -1; | |
460 | if (start_command(proxy)) | |
461 | die("cannot start proxy %s", argv[0]); | |
462 | fd[0] = proxy->out; /* read from proxy stdout */ | |
463 | fd[1] = proxy->in; /* write to proxy stdin */ | |
464 | return proxy; | |
465 | } | |
466 | ||
467 | #define MAX_CMD_LEN 1024 | |
468 | ||
469 | static char *get_port(char *host) | |
470 | { | |
471 | char *end; | |
472 | char *p = strchr(host, ':'); | |
473 | ||
474 | if (p) { | |
475 | long port = strtol(p + 1, &end, 10); | |
476 | if (end != p + 1 && *end == '\0' && 0 <= port && port < 65536) { | |
477 | *p = '\0'; | |
478 | return p+1; | |
479 | } | |
480 | } | |
481 | ||
482 | return NULL; | |
483 | } | |
484 | ||
485 | static struct child_process no_fork; | |
486 | ||
487 | /* | |
488 | * This returns a dummy child_process if the transport protocol does not | |
489 | * need fork(2), or a struct child_process object if it does. Once done, | |
490 | * finish the connection with finish_connect() with the value returned from | |
491 | * this function (it is safe to call finish_connect() with NULL to support | |
492 | * the former case). | |
493 | * | |
494 | * If it returns, the connect is successful; it just dies on errors (this | |
495 | * will hopefully be changed in a libification effort, to return NULL when | |
496 | * the connection failed). | |
497 | */ | |
498 | struct child_process *git_connect(int fd[2], const char *url_orig, | |
499 | const char *prog, int flags) | |
500 | { | |
501 | char *url; | |
502 | char *host, *path; | |
503 | char *end; | |
504 | int c; | |
505 | struct child_process *conn = &no_fork; | |
506 | enum protocol protocol = PROTO_LOCAL; | |
507 | int free_path = 0; | |
508 | char *port = NULL; | |
509 | const char **arg; | |
510 | struct strbuf cmd; | |
511 | ||
512 | /* Without this we cannot rely on waitpid() to tell | |
513 | * what happened to our children. | |
514 | */ | |
515 | signal(SIGCHLD, SIG_DFL); | |
516 | ||
517 | if (is_url(url_orig)) | |
518 | url = url_decode(url_orig); | |
519 | else | |
520 | url = xstrdup(url_orig); | |
521 | ||
522 | host = strstr(url, "://"); | |
523 | if (host) { | |
524 | *host = '\0'; | |
525 | protocol = get_protocol(url); | |
526 | host += 3; | |
527 | c = '/'; | |
528 | } else { | |
529 | host = url; | |
530 | c = ':'; | |
531 | } | |
532 | ||
533 | /* | |
534 | * Don't do destructive transforms with git:// as that | |
535 | * protocol code does '[]' unwrapping of its own. | |
536 | */ | |
537 | if (host[0] == '[') { | |
538 | end = strchr(host + 1, ']'); | |
539 | if (end) { | |
540 | if (protocol != PROTO_GIT) { | |
541 | *end = 0; | |
542 | host++; | |
543 | } | |
544 | end++; | |
545 | } else | |
546 | end = host; | |
547 | } else | |
548 | end = host; | |
549 | ||
550 | path = strchr(end, c); | |
551 | if (path && !has_dos_drive_prefix(end)) { | |
552 | if (c == ':') { | |
553 | protocol = PROTO_SSH; | |
554 | *path++ = '\0'; | |
555 | } | |
556 | } else | |
557 | path = end; | |
558 | ||
559 | if (!path || !*path) | |
560 | die("No path specified. See 'man git-pull' for valid url syntax"); | |
561 | ||
562 | /* | |
563 | * null-terminate hostname and point path to ~ for URL's like this: | |
564 | * ssh://host.xz/~user/repo | |
565 | */ | |
566 | if (protocol != PROTO_LOCAL && host != url) { | |
567 | char *ptr = path; | |
568 | if (path[1] == '~') | |
569 | path++; | |
570 | else { | |
571 | path = xstrdup(ptr); | |
572 | free_path = 1; | |
573 | } | |
574 | ||
575 | *ptr = '\0'; | |
576 | } | |
577 | ||
578 | /* | |
579 | * Add support for ssh port: ssh://host.xy:<port>/... | |
580 | */ | |
581 | if (protocol == PROTO_SSH && host != url) | |
582 | port = get_port(end); | |
583 | ||
584 | if (protocol == PROTO_GIT) { | |
585 | /* These underlying connection commands die() if they | |
586 | * cannot connect. | |
587 | */ | |
588 | char *target_host = xstrdup(host); | |
589 | if (git_use_proxy(host)) | |
590 | conn = git_proxy_connect(fd, host); | |
591 | else | |
592 | git_tcp_connect(fd, host, flags); | |
593 | /* | |
594 | * Separate original protocol components prog and path | |
595 | * from extended host header with a NUL byte. | |
596 | * | |
597 | * Note: Do not add any other headers here! Doing so | |
598 | * will cause older git-daemon servers to crash. | |
599 | */ | |
600 | packet_write(fd[1], | |
601 | "%s %s%chost=%s%c", | |
602 | prog, path, 0, | |
603 | target_host, 0); | |
604 | free(target_host); | |
605 | free(url); | |
606 | if (free_path) | |
607 | free(path); | |
608 | return conn; | |
609 | } | |
610 | ||
611 | conn = xcalloc(1, sizeof(*conn)); | |
612 | ||
613 | strbuf_init(&cmd, MAX_CMD_LEN); | |
614 | strbuf_addstr(&cmd, prog); | |
615 | strbuf_addch(&cmd, ' '); | |
616 | sq_quote_buf(&cmd, path); | |
617 | if (cmd.len >= MAX_CMD_LEN) | |
618 | die("command line too long"); | |
619 | ||
620 | conn->in = conn->out = -1; | |
621 | conn->argv = arg = xcalloc(7, sizeof(*arg)); | |
622 | if (protocol == PROTO_SSH) { | |
623 | const char *ssh = getenv("GIT_SSH"); | |
624 | int putty = ssh && strcasestr(ssh, "plink"); | |
625 | if (!ssh) ssh = "ssh"; | |
626 | ||
627 | *arg++ = ssh; | |
628 | if (putty && !strcasestr(ssh, "tortoiseplink")) | |
629 | *arg++ = "-batch"; | |
630 | if (port) { | |
631 | /* P is for PuTTY, p is for OpenSSH */ | |
632 | *arg++ = putty ? "-P" : "-p"; | |
633 | *arg++ = port; | |
634 | } | |
635 | *arg++ = host; | |
636 | } | |
637 | else { | |
638 | /* remove repo-local variables from the environment */ | |
639 | conn->env = local_repo_env; | |
640 | conn->use_shell = 1; | |
641 | } | |
642 | *arg++ = cmd.buf; | |
643 | *arg = NULL; | |
644 | ||
645 | if (start_command(conn)) | |
646 | die("unable to fork"); | |
647 | ||
648 | fd[0] = conn->out; /* read from child's stdout */ | |
649 | fd[1] = conn->in; /* write to child's stdin */ | |
650 | strbuf_release(&cmd); | |
651 | free(url); | |
652 | if (free_path) | |
653 | free(path); | |
654 | return conn; | |
655 | } | |
656 | ||
657 | int git_connection_is_socket(struct child_process *conn) | |
658 | { | |
659 | return conn == &no_fork; | |
660 | } | |
661 | ||
662 | int finish_connect(struct child_process *conn) | |
663 | { | |
664 | int code; | |
665 | if (!conn || git_connection_is_socket(conn)) | |
666 | return 0; | |
667 | ||
668 | code = finish_command(conn); | |
669 | free(conn->argv); | |
670 | free(conn); | |
671 | return code; | |
672 | } |