1 #include "git-compat-util.h"
5 #include "run-command.h"
8 #include "credential.h"
12 #include "transport.h"
16 size_t http_post_buffer = 16 * LARGE_PACKET_MAX;
18 #if LIBCURL_VERSION_NUM >= 0x070a06
19 #define LIBCURL_CAN_HANDLE_AUTH_ANY
22 static int min_curl_sessions = 1;
23 static int curl_session_count;
25 static int max_requests = -1;
28 #ifndef NO_CURL_EASY_DUPHANDLE
29 static CURL *curl_default;
32 #define PREV_BUF_SIZE 4096
33 #define RANGE_HEADER_SIZE 30
35 char curl_errorstr[CURL_ERROR_SIZE];
37 static int curl_ssl_verify = -1;
38 static int curl_ssl_try;
39 static const char *ssl_cert;
40 #if LIBCURL_VERSION_NUM >= 0x070903
41 static const char *ssl_key;
43 #if LIBCURL_VERSION_NUM >= 0x070908
44 static const char *ssl_capath;
46 static const char *ssl_cainfo;
47 static long curl_low_speed_limit = -1;
48 static long curl_low_speed_time = -1;
49 static int curl_ftp_no_epsv;
50 static const char *curl_http_proxy;
51 static const char *curl_cookie_file;
52 static int curl_save_cookies;
53 struct credential http_auth = CREDENTIAL_INIT;
54 static int http_proactive_auth;
55 static const char *user_agent;
57 #if LIBCURL_VERSION_NUM >= 0x071700
58 /* Use CURLOPT_KEYPASSWD as is */
59 #elif LIBCURL_VERSION_NUM >= 0x070903
60 #define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD
62 #define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD
65 static struct credential cert_auth = CREDENTIAL_INIT;
66 static int ssl_cert_password_required;
67 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
68 static unsigned long http_auth_methods = CURLAUTH_ANY;
71 static struct curl_slist *pragma_header;
72 static struct curl_slist *no_pragma_header;
74 static struct active_request_slot *active_queue_head;
76 static char *cached_accept_language;
78 size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
80 size_t size = eltsize * nmemb;
81 struct buffer *buffer = buffer_;
83 if (size > buffer->buf.len - buffer->posn)
84 size = buffer->buf.len - buffer->posn;
85 memcpy(ptr, buffer->buf.buf + buffer->posn, size);
92 curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp)
94 struct buffer *buffer = clientp;
100 case CURLIOCMD_RESTARTREAD:
105 return CURLIOE_UNKNOWNCMD;
110 size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
112 size_t size = eltsize * nmemb;
113 struct strbuf *buffer = buffer_;
115 strbuf_add(buffer, ptr, size);
119 size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf)
121 return eltsize * nmemb;
124 static void closedown_active_slot(struct active_request_slot *slot)
130 static void finish_active_slot(struct active_request_slot *slot)
132 closedown_active_slot(slot);
133 curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code);
135 if (slot->finished != NULL)
136 (*slot->finished) = 1;
138 /* Store slot results so they can be read after the slot is reused */
139 if (slot->results != NULL) {
140 slot->results->curl_result = slot->curl_result;
141 slot->results->http_code = slot->http_code;
142 #if LIBCURL_VERSION_NUM >= 0x070a08
143 curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL,
144 &slot->results->auth_avail);
146 slot->results->auth_avail = 0;
150 /* Run callback if appropriate */
151 if (slot->callback_func != NULL)
152 slot->callback_func(slot->callback_data);
155 #ifdef USE_CURL_MULTI
156 static void process_curl_messages(void)
159 struct active_request_slot *slot;
160 CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages);
162 while (curl_message != NULL) {
163 if (curl_message->msg == CURLMSG_DONE) {
164 int curl_result = curl_message->data.result;
165 slot = active_queue_head;
166 while (slot != NULL &&
167 slot->curl != curl_message->easy_handle)
170 curl_multi_remove_handle(curlm, slot->curl);
171 slot->curl_result = curl_result;
172 finish_active_slot(slot);
174 fprintf(stderr, "Received DONE message for unknown request!\n");
177 fprintf(stderr, "Unknown CURL message received: %d\n",
178 (int)curl_message->msg);
180 curl_message = curl_multi_info_read(curlm, &num_messages);
185 static int http_options(const char *var, const char *value, void *cb)
187 if (!strcmp("http.sslverify", var)) {
188 curl_ssl_verify = git_config_bool(var, value);
191 if (!strcmp("http.sslcert", var))
192 return git_config_string(&ssl_cert, var, value);
193 #if LIBCURL_VERSION_NUM >= 0x070903
194 if (!strcmp("http.sslkey", var))
195 return git_config_string(&ssl_key, var, value);
197 #if LIBCURL_VERSION_NUM >= 0x070908
198 if (!strcmp("http.sslcapath", var))
199 return git_config_string(&ssl_capath, var, value);
201 if (!strcmp("http.sslcainfo", var))
202 return git_config_string(&ssl_cainfo, var, value);
203 if (!strcmp("http.sslcertpasswordprotected", var)) {
204 ssl_cert_password_required = git_config_bool(var, value);
207 if (!strcmp("http.ssltry", var)) {
208 curl_ssl_try = git_config_bool(var, value);
211 if (!strcmp("http.minsessions", var)) {
212 min_curl_sessions = git_config_int(var, value);
213 #ifndef USE_CURL_MULTI
214 if (min_curl_sessions > 1)
215 min_curl_sessions = 1;
219 #ifdef USE_CURL_MULTI
220 if (!strcmp("http.maxrequests", var)) {
221 max_requests = git_config_int(var, value);
225 if (!strcmp("http.lowspeedlimit", var)) {
226 curl_low_speed_limit = (long)git_config_int(var, value);
229 if (!strcmp("http.lowspeedtime", var)) {
230 curl_low_speed_time = (long)git_config_int(var, value);
234 if (!strcmp("http.noepsv", var)) {
235 curl_ftp_no_epsv = git_config_bool(var, value);
238 if (!strcmp("http.proxy", var))
239 return git_config_string(&curl_http_proxy, var, value);
241 if (!strcmp("http.cookiefile", var))
242 return git_config_string(&curl_cookie_file, var, value);
243 if (!strcmp("http.savecookies", var)) {
244 curl_save_cookies = git_config_bool(var, value);
248 if (!strcmp("http.postbuffer", var)) {
249 http_post_buffer = git_config_int(var, value);
250 if (http_post_buffer < LARGE_PACKET_MAX)
251 http_post_buffer = LARGE_PACKET_MAX;
255 if (!strcmp("http.useragent", var))
256 return git_config_string(&user_agent, var, value);
258 /* Fall back on the default ones */
259 return git_default_config(var, value, cb);
262 static void init_curl_http_auth(CURL *result)
264 if (!http_auth.username)
267 credential_fill(&http_auth);
269 #if LIBCURL_VERSION_NUM >= 0x071301
270 curl_easy_setopt(result, CURLOPT_USERNAME, http_auth.username);
271 curl_easy_setopt(result, CURLOPT_PASSWORD, http_auth.password);
274 static struct strbuf up = STRBUF_INIT;
276 * Note that we assume we only ever have a single set of
277 * credentials in a given program run, so we do not have
278 * to worry about updating this buffer, only setting its
282 strbuf_addf(&up, "%s:%s",
283 http_auth.username, http_auth.password);
284 curl_easy_setopt(result, CURLOPT_USERPWD, up.buf);
289 static int has_cert_password(void)
291 if (ssl_cert == NULL || ssl_cert_password_required != 1)
293 if (!cert_auth.password) {
294 cert_auth.protocol = xstrdup("cert");
295 cert_auth.username = xstrdup("");
296 cert_auth.path = xstrdup(ssl_cert);
297 credential_fill(&cert_auth);
302 #if LIBCURL_VERSION_NUM >= 0x071900
303 static void set_curl_keepalive(CURL *c)
305 curl_easy_setopt(c, CURLOPT_TCP_KEEPALIVE, 1);
308 #elif LIBCURL_VERSION_NUM >= 0x071000
309 static int sockopt_callback(void *client, curl_socket_t fd, curlsocktype type)
313 socklen_t len = (socklen_t)sizeof(ka);
315 if (type != CURLSOCKTYPE_IPCXN)
318 rc = setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&ka, len);
320 warning("unable to set SO_KEEPALIVE on socket %s",
323 return 0; /* CURL_SOCKOPT_OK only exists since curl 7.21.5 */
326 static void set_curl_keepalive(CURL *c)
328 curl_easy_setopt(c, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
332 static void set_curl_keepalive(CURL *c)
334 /* not supported on older curl versions */
338 static CURL *get_curl_handle(void)
340 CURL *result = curl_easy_init();
341 long allowed_protocols = 0;
344 die("curl_easy_init failed");
346 if (!curl_ssl_verify) {
347 curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, 0);
348 curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 0);
350 /* Verify authenticity of the peer's certificate */
351 curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, 1);
352 /* The name in the cert must match whom we tried to connect */
353 curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 2);
356 #if LIBCURL_VERSION_NUM >= 0x070907
357 curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
359 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
360 curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
363 if (http_proactive_auth)
364 init_curl_http_auth(result);
366 if (ssl_cert != NULL)
367 curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
368 if (has_cert_password())
369 curl_easy_setopt(result, CURLOPT_KEYPASSWD, cert_auth.password);
370 #if LIBCURL_VERSION_NUM >= 0x070903
372 curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
374 #if LIBCURL_VERSION_NUM >= 0x070908
375 if (ssl_capath != NULL)
376 curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath);
378 if (ssl_cainfo != NULL)
379 curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo);
381 if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) {
382 curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT,
383 curl_low_speed_limit);
384 curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME,
385 curl_low_speed_time);
388 curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1);
389 curl_easy_setopt(result, CURLOPT_MAXREDIRS, 20);
390 #if LIBCURL_VERSION_NUM >= 0x071301
391 curl_easy_setopt(result, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
392 #elif LIBCURL_VERSION_NUM >= 0x071101
393 curl_easy_setopt(result, CURLOPT_POST301, 1);
395 #if LIBCURL_VERSION_NUM >= 0x071304
396 if (is_transport_allowed("http"))
397 allowed_protocols |= CURLPROTO_HTTP;
398 if (is_transport_allowed("https"))
399 allowed_protocols |= CURLPROTO_HTTPS;
400 if (is_transport_allowed("ftp"))
401 allowed_protocols |= CURLPROTO_FTP;
402 if (is_transport_allowed("ftps"))
403 allowed_protocols |= CURLPROTO_FTPS;
404 curl_easy_setopt(result, CURLOPT_REDIR_PROTOCOLS, allowed_protocols);
406 if (transport_restrict_protocols())
407 warning("protocol restrictions not applied to curl redirects because\n"
408 "your curl version is too old (>= 7.19.4)");
411 if (getenv("GIT_CURL_VERBOSE"))
412 curl_easy_setopt(result, CURLOPT_VERBOSE, 1);
414 curl_easy_setopt(result, CURLOPT_USERAGENT,
415 user_agent ? user_agent : git_user_agent());
417 if (curl_ftp_no_epsv)
418 curl_easy_setopt(result, CURLOPT_FTP_USE_EPSV, 0);
420 #ifdef CURLOPT_USE_SSL
422 curl_easy_setopt(result, CURLOPT_USE_SSL, CURLUSESSL_TRY);
425 if (curl_http_proxy) {
426 curl_easy_setopt(result, CURLOPT_PROXY, curl_http_proxy);
428 #if LIBCURL_VERSION_NUM >= 0x070a07
429 curl_easy_setopt(result, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
432 set_curl_keepalive(result);
437 static void set_from_env(const char **var, const char *envname)
439 const char *val = getenv(envname);
444 void http_init(struct remote *remote, const char *url, int proactive_auth)
446 char *low_speed_limit;
447 char *low_speed_time;
448 char *normalized_url;
449 struct urlmatch_config config = { STRING_LIST_INIT_DUP };
451 config.section = "http";
453 config.collect_fn = http_options;
454 config.cascade_fn = git_default_config;
458 normalized_url = url_normalize(url, &config.url);
460 git_config(urlmatch_config_entry, &config);
461 free(normalized_url);
463 if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
464 die("curl_global_init failed");
466 http_proactive_auth = proactive_auth;
468 if (remote && remote->http_proxy)
469 curl_http_proxy = xstrdup(remote->http_proxy);
471 pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache");
472 no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
474 #ifdef USE_CURL_MULTI
476 char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS");
477 if (http_max_requests != NULL)
478 max_requests = atoi(http_max_requests);
481 curlm = curl_multi_init();
483 die("curl_multi_init failed");
486 if (getenv("GIT_SSL_NO_VERIFY"))
489 set_from_env(&ssl_cert, "GIT_SSL_CERT");
490 #if LIBCURL_VERSION_NUM >= 0x070903
491 set_from_env(&ssl_key, "GIT_SSL_KEY");
493 #if LIBCURL_VERSION_NUM >= 0x070908
494 set_from_env(&ssl_capath, "GIT_SSL_CAPATH");
496 set_from_env(&ssl_cainfo, "GIT_SSL_CAINFO");
498 set_from_env(&user_agent, "GIT_HTTP_USER_AGENT");
500 low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT");
501 if (low_speed_limit != NULL)
502 curl_low_speed_limit = strtol(low_speed_limit, NULL, 10);
503 low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME");
504 if (low_speed_time != NULL)
505 curl_low_speed_time = strtol(low_speed_time, NULL, 10);
507 if (curl_ssl_verify == -1)
510 curl_session_count = 0;
511 #ifdef USE_CURL_MULTI
512 if (max_requests < 1)
513 max_requests = DEFAULT_MAX_REQUESTS;
516 if (getenv("GIT_CURL_FTP_NO_EPSV"))
517 curl_ftp_no_epsv = 1;
520 credential_from_url(&http_auth, url);
521 if (!ssl_cert_password_required &&
522 getenv("GIT_SSL_CERT_PASSWORD_PROTECTED") &&
523 starts_with(url, "https://"))
524 ssl_cert_password_required = 1;
527 #ifndef NO_CURL_EASY_DUPHANDLE
528 curl_default = get_curl_handle();
532 void http_cleanup(void)
534 struct active_request_slot *slot = active_queue_head;
536 while (slot != NULL) {
537 struct active_request_slot *next = slot->next;
538 if (slot->curl != NULL) {
539 #ifdef USE_CURL_MULTI
540 curl_multi_remove_handle(curlm, slot->curl);
542 curl_easy_cleanup(slot->curl);
547 active_queue_head = NULL;
549 #ifndef NO_CURL_EASY_DUPHANDLE
550 curl_easy_cleanup(curl_default);
553 #ifdef USE_CURL_MULTI
554 curl_multi_cleanup(curlm);
556 curl_global_cleanup();
558 curl_slist_free_all(pragma_header);
559 pragma_header = NULL;
561 curl_slist_free_all(no_pragma_header);
562 no_pragma_header = NULL;
564 if (curl_http_proxy) {
565 free((void *)curl_http_proxy);
566 curl_http_proxy = NULL;
569 if (cert_auth.password != NULL) {
570 memset(cert_auth.password, 0, strlen(cert_auth.password));
571 free(cert_auth.password);
572 cert_auth.password = NULL;
574 ssl_cert_password_required = 0;
576 free(cached_accept_language);
577 cached_accept_language = NULL;
580 struct active_request_slot *get_active_slot(void)
582 struct active_request_slot *slot = active_queue_head;
583 struct active_request_slot *newslot;
585 #ifdef USE_CURL_MULTI
588 /* Wait for a slot to open up if the queue is full */
589 while (active_requests >= max_requests) {
590 curl_multi_perform(curlm, &num_transfers);
591 if (num_transfers < active_requests)
592 process_curl_messages();
596 while (slot != NULL && slot->in_use)
600 newslot = xmalloc(sizeof(*newslot));
601 newslot->curl = NULL;
603 newslot->next = NULL;
605 slot = active_queue_head;
607 active_queue_head = newslot;
609 while (slot->next != NULL)
611 slot->next = newslot;
616 if (slot->curl == NULL) {
617 #ifdef NO_CURL_EASY_DUPHANDLE
618 slot->curl = get_curl_handle();
620 slot->curl = curl_easy_duphandle(curl_default);
622 curl_session_count++;
627 slot->results = NULL;
628 slot->finished = NULL;
629 slot->callback_data = NULL;
630 slot->callback_func = NULL;
631 curl_easy_setopt(slot->curl, CURLOPT_COOKIEFILE, curl_cookie_file);
632 if (curl_save_cookies)
633 curl_easy_setopt(slot->curl, CURLOPT_COOKIEJAR, curl_cookie_file);
634 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header);
635 curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr);
636 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, NULL);
637 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL);
638 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, NULL);
639 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, NULL);
640 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0);
641 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
642 curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 1);
643 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
644 curl_easy_setopt(slot->curl, CURLOPT_HTTPAUTH, http_auth_methods);
646 if (http_auth.password)
647 init_curl_http_auth(slot->curl);
652 int start_active_slot(struct active_request_slot *slot)
654 #ifdef USE_CURL_MULTI
655 CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl);
658 if (curlm_result != CURLM_OK &&
659 curlm_result != CURLM_CALL_MULTI_PERFORM) {
666 * We know there must be something to do, since we just added
669 curl_multi_perform(curlm, &num_transfers);
674 #ifdef USE_CURL_MULTI
678 struct fill_chain *next;
681 static struct fill_chain *fill_cfg;
683 void add_fill_function(void *data, int (*fill)(void *))
685 struct fill_chain *new = xmalloc(sizeof(*new));
686 struct fill_chain **linkp = &fill_cfg;
691 linkp = &(*linkp)->next;
695 void fill_active_slots(void)
697 struct active_request_slot *slot = active_queue_head;
699 while (active_requests < max_requests) {
700 struct fill_chain *fill;
701 for (fill = fill_cfg; fill; fill = fill->next)
702 if (fill->fill(fill->data))
709 while (slot != NULL) {
710 if (!slot->in_use && slot->curl != NULL
711 && curl_session_count > min_curl_sessions) {
712 curl_easy_cleanup(slot->curl);
714 curl_session_count--;
720 void step_active_slots(void)
723 CURLMcode curlm_result;
726 curlm_result = curl_multi_perform(curlm, &num_transfers);
727 } while (curlm_result == CURLM_CALL_MULTI_PERFORM);
728 if (num_transfers < active_requests) {
729 process_curl_messages();
735 void run_active_slot(struct active_request_slot *slot)
737 #ifdef USE_CURL_MULTI
742 struct timeval select_timeout;
745 slot->finished = &finished;
750 #if LIBCURL_VERSION_NUM >= 0x070f04
752 curl_multi_timeout(curlm, &curl_timeout);
753 if (curl_timeout == 0) {
755 } else if (curl_timeout == -1) {
756 select_timeout.tv_sec = 0;
757 select_timeout.tv_usec = 50000;
759 select_timeout.tv_sec = curl_timeout / 1000;
760 select_timeout.tv_usec = (curl_timeout % 1000) * 1000;
763 select_timeout.tv_sec = 0;
764 select_timeout.tv_usec = 50000;
771 curl_multi_fdset(curlm, &readfds, &writefds, &excfds, &max_fd);
774 * It can happen that curl_multi_timeout returns a pathologically
775 * long timeout when curl_multi_fdset returns no file descriptors
776 * to read. See commit message for more details.
779 (select_timeout.tv_sec > 0 ||
780 select_timeout.tv_usec > 50000)) {
781 select_timeout.tv_sec = 0;
782 select_timeout.tv_usec = 50000;
785 select(max_fd+1, &readfds, &writefds, &excfds, &select_timeout);
789 while (slot->in_use) {
790 slot->curl_result = curl_easy_perform(slot->curl);
791 finish_active_slot(slot);
796 static void release_active_slot(struct active_request_slot *slot)
798 closedown_active_slot(slot);
799 if (slot->curl && curl_session_count > min_curl_sessions) {
800 #ifdef USE_CURL_MULTI
801 curl_multi_remove_handle(curlm, slot->curl);
803 curl_easy_cleanup(slot->curl);
805 curl_session_count--;
807 #ifdef USE_CURL_MULTI
812 void finish_all_active_slots(void)
814 struct active_request_slot *slot = active_queue_head;
818 run_active_slot(slot);
819 slot = active_queue_head;
825 /* Helpers for modifying and creating URLs */
826 static inline int needs_quote(int ch)
828 if (((ch >= 'A') && (ch <= 'Z'))
829 || ((ch >= 'a') && (ch <= 'z'))
830 || ((ch >= '0') && (ch <= '9'))
838 static char *quote_ref_url(const char *base, const char *ref)
840 struct strbuf buf = STRBUF_INIT;
844 end_url_with_slash(&buf, base);
846 for (cp = ref; (ch = *cp) != 0; cp++)
848 strbuf_addf(&buf, "%%%02x", ch);
850 strbuf_addch(&buf, *cp);
852 return strbuf_detach(&buf, NULL);
855 void append_remote_object_url(struct strbuf *buf, const char *url,
857 int only_two_digit_prefix)
859 end_url_with_slash(buf, url);
861 strbuf_addf(buf, "objects/%.*s/", 2, hex);
862 if (!only_two_digit_prefix)
863 strbuf_addf(buf, "%s", hex+2);
866 char *get_remote_object_url(const char *url, const char *hex,
867 int only_two_digit_prefix)
869 struct strbuf buf = STRBUF_INIT;
870 append_remote_object_url(&buf, url, hex, only_two_digit_prefix);
871 return strbuf_detach(&buf, NULL);
874 static int handle_curl_result(struct slot_results *results)
877 * If we see a failing http code with CURLE_OK, we have turned off
878 * FAILONERROR (to keep the server's custom error response), and should
879 * translate the code into failure here.
881 if (results->curl_result == CURLE_OK &&
882 results->http_code >= 400) {
883 results->curl_result = CURLE_HTTP_RETURNED_ERROR;
885 * Normally curl will already have put the "reason phrase"
886 * from the server into curl_errorstr; unfortunately without
887 * FAILONERROR it is lost, so we can give only the numeric
890 snprintf(curl_errorstr, sizeof(curl_errorstr),
891 "The requested URL returned error: %ld",
895 if (results->curl_result == CURLE_OK) {
896 credential_approve(&http_auth);
898 } else if (missing_target(results))
899 return HTTP_MISSING_TARGET;
900 else if (results->http_code == 401) {
901 if (http_auth.username && http_auth.password) {
902 credential_reject(&http_auth);
905 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
906 http_auth_methods &= ~CURLAUTH_GSSNEGOTIATE;
911 #if LIBCURL_VERSION_NUM >= 0x070c00
912 if (!curl_errorstr[0])
913 strlcpy(curl_errorstr,
914 curl_easy_strerror(results->curl_result),
915 sizeof(curl_errorstr));
921 int run_one_slot(struct active_request_slot *slot,
922 struct slot_results *results)
924 slot->results = results;
925 if (!start_active_slot(slot)) {
926 snprintf(curl_errorstr, sizeof(curl_errorstr),
927 "failed to start HTTP request");
928 return HTTP_START_FAILED;
931 run_active_slot(slot);
932 return handle_curl_result(results);
935 static CURLcode curlinfo_strbuf(CURL *curl, CURLINFO info, struct strbuf *buf)
941 ret = curl_easy_getinfo(curl, info, &ptr);
943 strbuf_addstr(buf, ptr);
948 * Check for and extract a content-type parameter. "raw"
949 * should be positioned at the start of the potential
950 * parameter, with any whitespace already removed.
952 * "name" is the name of the parameter. The value is appended
955 static int extract_param(const char *raw, const char *name,
958 size_t len = strlen(name);
960 if (strncasecmp(raw, name, len))
968 while (*raw && !isspace(*raw) && *raw != ';')
969 strbuf_addch(out, *raw++);
974 * Extract a normalized version of the content type, with any
975 * spaces suppressed, all letters lowercased, and no trailing ";"
978 * Note that we will silently remove even invalid whitespace. For
979 * example, "text / plain" is specifically forbidden by RFC 2616,
980 * but "text/plain" is the only reasonable output, and this keeps
983 * If the "charset" argument is not NULL, store the value of any
984 * charset parameter there.
987 * "TEXT/PLAIN; charset=utf-8" -> "text/plain", "utf-8"
988 * "text / plain" -> "text/plain"
990 static void extract_content_type(struct strbuf *raw, struct strbuf *type,
991 struct strbuf *charset)
996 strbuf_grow(type, raw->len);
997 for (p = raw->buf; *p; p++) {
1004 strbuf_addch(type, tolower(*p));
1010 strbuf_reset(charset);
1012 while (isspace(*p) || *p == ';')
1014 if (!extract_param(p, "charset", charset))
1016 while (*p && !isspace(*p))
1020 if (!charset->len && starts_with(type->buf, "text/"))
1021 strbuf_addstr(charset, "ISO-8859-1");
1024 static void write_accept_language(struct strbuf *buf)
1027 * MAX_DECIMAL_PLACES must not be larger than 3. If it is larger than
1028 * that, q-value will be smaller than 0.001, the minimum q-value the
1029 * HTTP specification allows. See
1030 * http://tools.ietf.org/html/rfc7231#section-5.3.1 for q-value.
1032 const int MAX_DECIMAL_PLACES = 3;
1033 const int MAX_LANGUAGE_TAGS = 1000;
1034 const int MAX_ACCEPT_LANGUAGE_HEADER_SIZE = 4000;
1035 char **language_tags = NULL;
1037 const char *s = get_preferred_languages();
1039 struct strbuf tag = STRBUF_INIT;
1041 /* Don't add Accept-Language header if no language is preferred. */
1046 * Split the colon-separated string of preferred languages into
1047 * language_tags array.
1050 /* collect language tag */
1051 for (; *s && (isalnum(*s) || *s == '_'); s++)
1052 strbuf_addch(&tag, *s == '_' ? '-' : *s);
1054 /* skip .codeset, @modifier and any other unnecessary parts */
1055 while (*s && *s != ':')
1060 REALLOC_ARRAY(language_tags, num_langs);
1061 language_tags[num_langs - 1] = strbuf_detach(&tag, NULL);
1062 if (num_langs >= MAX_LANGUAGE_TAGS - 1) /* -1 for '*' */
1067 /* write Accept-Language header into buf */
1069 int last_buf_len = 0;
1075 REALLOC_ARRAY(language_tags, num_langs + 1);
1076 language_tags[num_langs++] = "*"; /* it's OK; this won't be freed */
1078 /* compute decimal_places */
1079 for (max_q = 1, decimal_places = 0;
1080 max_q < num_langs && decimal_places <= MAX_DECIMAL_PLACES;
1081 decimal_places++, max_q *= 10)
1084 sprintf(q_format, ";q=0.%%0%dd", decimal_places);
1086 strbuf_addstr(buf, "Accept-Language: ");
1088 for (i = 0; i < num_langs; i++) {
1090 strbuf_addstr(buf, ", ");
1092 strbuf_addstr(buf, language_tags[i]);
1095 strbuf_addf(buf, q_format, max_q - i);
1097 if (buf->len > MAX_ACCEPT_LANGUAGE_HEADER_SIZE) {
1098 strbuf_remove(buf, last_buf_len, buf->len - last_buf_len);
1102 last_buf_len = buf->len;
1106 /* free language tags -- last one is a static '*' */
1107 for (i = 0; i < num_langs - 1; i++)
1108 free(language_tags[i]);
1109 free(language_tags);
1113 * Get an Accept-Language header which indicates user's preferred languages.
1117 * LANGUAGE=ko:en -> "Accept-Language: ko, en; q=0.9, *; q=0.1"
1118 * LANGUAGE=ko_KR.UTF-8:sr@latin -> "Accept-Language: ko-KR, sr; q=0.9, *; q=0.1"
1119 * LANGUAGE=ko LANG=en_US.UTF-8 -> "Accept-Language: ko, *; q=0.1"
1120 * LANGUAGE= LANG=en_US.UTF-8 -> "Accept-Language: en-US, *; q=0.1"
1121 * LANGUAGE= LANG=C -> ""
1123 static const char *get_accept_language(void)
1125 if (!cached_accept_language) {
1126 struct strbuf buf = STRBUF_INIT;
1127 write_accept_language(&buf);
1129 cached_accept_language = strbuf_detach(&buf, NULL);
1132 return cached_accept_language;
1135 /* http_request() targets */
1136 #define HTTP_REQUEST_STRBUF 0
1137 #define HTTP_REQUEST_FILE 1
1139 static int http_request(const char *url,
1140 void *result, int target,
1141 const struct http_get_options *options)
1143 struct active_request_slot *slot;
1144 struct slot_results results;
1145 struct curl_slist *headers = NULL;
1146 struct strbuf buf = STRBUF_INIT;
1147 const char *accept_language;
1150 slot = get_active_slot();
1151 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
1153 if (result == NULL) {
1154 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
1156 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
1157 curl_easy_setopt(slot->curl, CURLOPT_FILE, result);
1159 if (target == HTTP_REQUEST_FILE) {
1160 long posn = ftell(result);
1161 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
1164 strbuf_addf(&buf, "Range: bytes=%ld-", posn);
1165 headers = curl_slist_append(headers, buf.buf);
1169 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
1173 accept_language = get_accept_language();
1175 if (accept_language)
1176 headers = curl_slist_append(headers, accept_language);
1178 strbuf_addstr(&buf, "Pragma:");
1179 if (options && options->no_cache)
1180 strbuf_addstr(&buf, " no-cache");
1181 if (options && options->keep_error)
1182 curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
1184 headers = curl_slist_append(headers, buf.buf);
1186 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
1187 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
1188 curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip");
1190 ret = run_one_slot(slot, &results);
1192 if (options && options->content_type) {
1193 struct strbuf raw = STRBUF_INIT;
1194 curlinfo_strbuf(slot->curl, CURLINFO_CONTENT_TYPE, &raw);
1195 extract_content_type(&raw, options->content_type,
1197 strbuf_release(&raw);
1200 if (options && options->effective_url)
1201 curlinfo_strbuf(slot->curl, CURLINFO_EFFECTIVE_URL,
1202 options->effective_url);
1204 curl_slist_free_all(headers);
1205 strbuf_release(&buf);
1211 * Update the "base" url to a more appropriate value, as deduced by
1212 * redirects seen when requesting a URL starting with "url".
1214 * The "asked" parameter is a URL that we asked curl to access, and must begin
1217 * The "got" parameter is the URL that curl reported to us as where we ended
1220 * Returns 1 if we updated the base url, 0 otherwise.
1222 * Our basic strategy is to compare "base" and "asked" to find the bits
1223 * specific to our request. We then strip those bits off of "got" to yield the
1224 * new base. So for example, if our base is "http://example.com/foo.git",
1225 * and we ask for "http://example.com/foo.git/info/refs", we might end up
1226 * with "https://other.example.com/foo.git/info/refs". We would want the
1227 * new URL to become "https://other.example.com/foo.git".
1229 * Note that this assumes a sane redirect scheme. It's entirely possible
1230 * in the example above to end up at a URL that does not even end in
1231 * "info/refs". In such a case we simply punt, as there is not much we can
1232 * do (and such a scheme is unlikely to represent a real git repository,
1233 * which means we are likely about to abort anyway).
1235 static int update_url_from_redirect(struct strbuf *base,
1237 const struct strbuf *got)
1242 if (!strcmp(asked, got->buf))
1245 if (!skip_prefix(asked, base->buf, &tail))
1246 die("BUG: update_url_from_redirect: %s is not a superset of %s",
1249 tail_len = strlen(tail);
1251 if (got->len < tail_len ||
1252 strcmp(tail, got->buf + got->len - tail_len))
1253 return 0; /* insane redirect scheme */
1256 strbuf_add(base, got->buf, got->len - tail_len);
1260 static int http_request_reauth(const char *url,
1261 void *result, int target,
1262 struct http_get_options *options)
1264 int ret = http_request(url, result, target, options);
1266 if (options && options->effective_url && options->base_url) {
1267 if (update_url_from_redirect(options->base_url,
1268 url, options->effective_url)) {
1269 credential_from_url(&http_auth, options->base_url->buf);
1270 url = options->effective_url->buf;
1274 if (ret != HTTP_REAUTH)
1278 * If we are using KEEP_ERROR, the previous request may have
1279 * put cruft into our output stream; we should clear it out before
1280 * making our next request. We only know how to do this for
1281 * the strbuf case, but that is enough to satisfy current callers.
1283 if (options && options->keep_error) {
1285 case HTTP_REQUEST_STRBUF:
1286 strbuf_reset(result);
1289 die("BUG: HTTP_KEEP_ERROR is only supported with strbufs");
1293 credential_fill(&http_auth);
1295 return http_request(url, result, target, options);
1298 int http_get_strbuf(const char *url,
1299 struct strbuf *result,
1300 struct http_get_options *options)
1302 return http_request_reauth(url, result, HTTP_REQUEST_STRBUF, options);
1306 * Downloads a URL and stores the result in the given file.
1308 * If a previous interrupted download is detected (i.e. a previous temporary
1309 * file is still around) the download is resumed.
1311 static int http_get_file(const char *url, const char *filename,
1312 struct http_get_options *options)
1315 struct strbuf tmpfile = STRBUF_INIT;
1318 strbuf_addf(&tmpfile, "%s.temp", filename);
1319 result = fopen(tmpfile.buf, "a");
1321 error("Unable to open local file %s", tmpfile.buf);
1326 ret = http_request_reauth(url, result, HTTP_REQUEST_FILE, options);
1329 if (ret == HTTP_OK && move_temp_to_file(tmpfile.buf, filename))
1332 strbuf_release(&tmpfile);
1336 int http_fetch_ref(const char *base, struct ref *ref)
1338 struct http_get_options options = {0};
1340 struct strbuf buffer = STRBUF_INIT;
1343 options.no_cache = 1;
1345 url = quote_ref_url(base, ref->name);
1346 if (http_get_strbuf(url, &buffer, &options) == HTTP_OK) {
1347 strbuf_rtrim(&buffer);
1348 if (buffer.len == 40)
1349 ret = get_sha1_hex(buffer.buf, ref->old_sha1);
1350 else if (starts_with(buffer.buf, "ref: ")) {
1351 ref->symref = xstrdup(buffer.buf + 5);
1356 strbuf_release(&buffer);
1361 /* Helpers for fetching packs */
1362 static char *fetch_pack_index(unsigned char *sha1, const char *base_url)
1365 struct strbuf buf = STRBUF_INIT;
1367 if (http_is_verbose)
1368 fprintf(stderr, "Getting index for pack %s\n", sha1_to_hex(sha1));
1370 end_url_with_slash(&buf, base_url);
1371 strbuf_addf(&buf, "objects/pack/pack-%s.idx", sha1_to_hex(sha1));
1372 url = strbuf_detach(&buf, NULL);
1374 strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1));
1375 tmp = strbuf_detach(&buf, NULL);
1377 if (http_get_file(url, tmp, NULL) != HTTP_OK) {
1378 error("Unable to get pack index %s", url);
1387 static int fetch_and_setup_pack_index(struct packed_git **packs_head,
1388 unsigned char *sha1, const char *base_url)
1390 struct packed_git *new_pack;
1391 char *tmp_idx = NULL;
1394 if (has_pack_index(sha1)) {
1395 new_pack = parse_pack_index(sha1, sha1_pack_index_name(sha1));
1397 return -1; /* parse_pack_index() already issued error message */
1401 tmp_idx = fetch_pack_index(sha1, base_url);
1405 new_pack = parse_pack_index(sha1, tmp_idx);
1410 return -1; /* parse_pack_index() already issued error message */
1413 ret = verify_pack_index(new_pack);
1415 close_pack_index(new_pack);
1416 ret = move_temp_to_file(tmp_idx, sha1_pack_index_name(sha1));
1423 new_pack->next = *packs_head;
1424 *packs_head = new_pack;
1428 int http_get_info_packs(const char *base_url, struct packed_git **packs_head)
1430 struct http_get_options options = {0};
1433 struct strbuf buf = STRBUF_INIT;
1434 unsigned char sha1[20];
1436 end_url_with_slash(&buf, base_url);
1437 strbuf_addstr(&buf, "objects/info/packs");
1438 url = strbuf_detach(&buf, NULL);
1440 options.no_cache = 1;
1441 ret = http_get_strbuf(url, &buf, &options);
1446 while (i < buf.len) {
1450 if (i + 52 <= buf.len &&
1451 starts_with(data + i, " pack-") &&
1452 starts_with(data + i + 46, ".pack\n")) {
1453 get_sha1_hex(data + i + 6, sha1);
1454 fetch_and_setup_pack_index(packs_head, sha1,
1460 while (i < buf.len && data[i] != '\n')
1471 void release_http_pack_request(struct http_pack_request *preq)
1473 if (preq->packfile != NULL) {
1474 fclose(preq->packfile);
1475 preq->packfile = NULL;
1477 if (preq->range_header != NULL) {
1478 curl_slist_free_all(preq->range_header);
1479 preq->range_header = NULL;
1486 int finish_http_pack_request(struct http_pack_request *preq)
1488 struct packed_git **lst;
1489 struct packed_git *p = preq->target;
1491 struct child_process ip = CHILD_PROCESS_INIT;
1492 const char *ip_argv[8];
1494 close_pack_index(p);
1496 fclose(preq->packfile);
1497 preq->packfile = NULL;
1501 lst = &((*lst)->next);
1502 *lst = (*lst)->next;
1504 tmp_idx = xstrdup(preq->tmpfile);
1505 strcpy(tmp_idx + strlen(tmp_idx) - strlen(".pack.temp"),
1508 ip_argv[0] = "index-pack";
1510 ip_argv[2] = tmp_idx;
1511 ip_argv[3] = preq->tmpfile;
1519 if (run_command(&ip)) {
1520 unlink(preq->tmpfile);
1526 unlink(sha1_pack_index_name(p->sha1));
1528 if (move_temp_to_file(preq->tmpfile, sha1_pack_name(p->sha1))
1529 || move_temp_to_file(tmp_idx, sha1_pack_index_name(p->sha1))) {
1534 install_packed_git(p);
1539 struct http_pack_request *new_http_pack_request(
1540 struct packed_git *target, const char *base_url)
1543 char range[RANGE_HEADER_SIZE];
1544 struct strbuf buf = STRBUF_INIT;
1545 struct http_pack_request *preq;
1547 preq = xcalloc(1, sizeof(*preq));
1548 preq->target = target;
1550 end_url_with_slash(&buf, base_url);
1551 strbuf_addf(&buf, "objects/pack/pack-%s.pack",
1552 sha1_to_hex(target->sha1));
1553 preq->url = strbuf_detach(&buf, NULL);
1555 snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp",
1556 sha1_pack_name(target->sha1));
1557 preq->packfile = fopen(preq->tmpfile, "a");
1558 if (!preq->packfile) {
1559 error("Unable to open local file %s for pack",
1564 preq->slot = get_active_slot();
1565 curl_easy_setopt(preq->slot->curl, CURLOPT_FILE, preq->packfile);
1566 curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
1567 curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url);
1568 curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER,
1572 * If there is data present from a previous transfer attempt,
1573 * resume where it left off
1575 prev_posn = ftell(preq->packfile);
1577 if (http_is_verbose)
1579 "Resuming fetch of pack %s at byte %ld\n",
1580 sha1_to_hex(target->sha1), prev_posn);
1581 sprintf(range, "Range: bytes=%ld-", prev_posn);
1582 preq->range_header = curl_slist_append(NULL, range);
1583 curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER,
1584 preq->range_header);
1595 /* Helpers for fetching objects (loose) */
1596 static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
1599 unsigned char expn[4096];
1600 size_t size = eltsize * nmemb;
1602 struct http_object_request *freq =
1603 (struct http_object_request *)data;
1605 ssize_t retval = xwrite(freq->localfile,
1606 (char *) ptr + posn, size - posn);
1610 } while (posn < size);
1612 freq->stream.avail_in = size;
1613 freq->stream.next_in = (void *)ptr;
1615 freq->stream.next_out = expn;
1616 freq->stream.avail_out = sizeof(expn);
1617 freq->zret = git_inflate(&freq->stream, Z_SYNC_FLUSH);
1618 git_SHA1_Update(&freq->c, expn,
1619 sizeof(expn) - freq->stream.avail_out);
1620 } while (freq->stream.avail_in && freq->zret == Z_OK);
1624 struct http_object_request *new_http_object_request(const char *base_url,
1625 unsigned char *sha1)
1627 char *hex = sha1_to_hex(sha1);
1628 const char *filename;
1629 char prevfile[PATH_MAX];
1631 char prev_buf[PREV_BUF_SIZE];
1632 ssize_t prev_read = 0;
1634 char range[RANGE_HEADER_SIZE];
1635 struct curl_slist *range_header = NULL;
1636 struct http_object_request *freq;
1638 freq = xcalloc(1, sizeof(*freq));
1639 hashcpy(freq->sha1, sha1);
1640 freq->localfile = -1;
1642 filename = sha1_file_name(sha1);
1643 snprintf(freq->tmpfile, sizeof(freq->tmpfile),
1644 "%s.temp", filename);
1646 snprintf(prevfile, sizeof(prevfile), "%s.prev", filename);
1647 unlink_or_warn(prevfile);
1648 rename(freq->tmpfile, prevfile);
1649 unlink_or_warn(freq->tmpfile);
1651 if (freq->localfile != -1)
1652 error("fd leakage in start: %d", freq->localfile);
1653 freq->localfile = open(freq->tmpfile,
1654 O_WRONLY | O_CREAT | O_EXCL, 0666);
1656 * This could have failed due to the "lazy directory creation";
1657 * try to mkdir the last path component.
1659 if (freq->localfile < 0 && errno == ENOENT) {
1660 char *dir = strrchr(freq->tmpfile, '/');
1663 mkdir(freq->tmpfile, 0777);
1666 freq->localfile = open(freq->tmpfile,
1667 O_WRONLY | O_CREAT | O_EXCL, 0666);
1670 if (freq->localfile < 0) {
1671 error("Couldn't create temporary file %s: %s",
1672 freq->tmpfile, strerror(errno));
1676 git_inflate_init(&freq->stream);
1678 git_SHA1_Init(&freq->c);
1680 freq->url = get_remote_object_url(base_url, hex, 0);
1683 * If a previous temp file is present, process what was already
1686 prevlocal = open(prevfile, O_RDONLY);
1687 if (prevlocal != -1) {
1689 prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE);
1691 if (fwrite_sha1_file(prev_buf,
1694 freq) == prev_read) {
1695 prev_posn += prev_read;
1700 } while (prev_read > 0);
1703 unlink_or_warn(prevfile);
1706 * Reset inflate/SHA1 if there was an error reading the previous temp
1707 * file; also rewind to the beginning of the local file.
1709 if (prev_read == -1) {
1710 memset(&freq->stream, 0, sizeof(freq->stream));
1711 git_inflate_init(&freq->stream);
1712 git_SHA1_Init(&freq->c);
1715 lseek(freq->localfile, 0, SEEK_SET);
1716 if (ftruncate(freq->localfile, 0) < 0) {
1717 error("Couldn't truncate temporary file %s: %s",
1718 freq->tmpfile, strerror(errno));
1724 freq->slot = get_active_slot();
1726 curl_easy_setopt(freq->slot->curl, CURLOPT_FILE, freq);
1727 curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
1728 curl_easy_setopt(freq->slot->curl, CURLOPT_ERRORBUFFER, freq->errorstr);
1729 curl_easy_setopt(freq->slot->curl, CURLOPT_URL, freq->url);
1730 curl_easy_setopt(freq->slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
1733 * If we have successfully processed data from a previous fetch
1734 * attempt, only fetch the data we don't already have.
1737 if (http_is_verbose)
1739 "Resuming fetch of object %s at byte %ld\n",
1741 sprintf(range, "Range: bytes=%ld-", prev_posn);
1742 range_header = curl_slist_append(range_header, range);
1743 curl_easy_setopt(freq->slot->curl,
1744 CURLOPT_HTTPHEADER, range_header);
1755 void process_http_object_request(struct http_object_request *freq)
1757 if (freq->slot == NULL)
1759 freq->curl_result = freq->slot->curl_result;
1760 freq->http_code = freq->slot->http_code;
1764 int finish_http_object_request(struct http_object_request *freq)
1768 close(freq->localfile);
1769 freq->localfile = -1;
1771 process_http_object_request(freq);
1773 if (freq->http_code == 416) {
1774 warning("requested range invalid; we may already have all the data.");
1775 } else if (freq->curl_result != CURLE_OK) {
1776 if (stat(freq->tmpfile, &st) == 0)
1777 if (st.st_size == 0)
1778 unlink_or_warn(freq->tmpfile);
1782 git_inflate_end(&freq->stream);
1783 git_SHA1_Final(freq->real_sha1, &freq->c);
1784 if (freq->zret != Z_STREAM_END) {
1785 unlink_or_warn(freq->tmpfile);
1788 if (hashcmp(freq->sha1, freq->real_sha1)) {
1789 unlink_or_warn(freq->tmpfile);
1793 move_temp_to_file(freq->tmpfile, sha1_file_name(freq->sha1));
1795 return freq->rename;
1798 void abort_http_object_request(struct http_object_request *freq)
1800 unlink_or_warn(freq->tmpfile);
1802 release_http_object_request(freq);
1805 void release_http_object_request(struct http_object_request *freq)
1807 if (freq->localfile != -1) {
1808 close(freq->localfile);
1809 freq->localfile = -1;
1811 if (freq->url != NULL) {
1815 if (freq->slot != NULL) {
1816 freq->slot->callback_func = NULL;
1817 freq->slot->callback_data = NULL;
1818 release_active_slot(freq->slot);