1 #include "git-compat-util.h"
6 #include "run-command.h"
9 #include "credential.h"
13 #include "transport.h"
16 static struct trace_key trace_curl
= TRACE_KEY_INIT(CURL
);
17 #if LIBCURL_VERSION_NUM >= 0x070a08
18 long int git_curl_ipresolve
= CURL_IPRESOLVE_WHATEVER
;
20 long int git_curl_ipresolve
;
24 ssize_t http_post_buffer
= 16 * LARGE_PACKET_MAX
;
26 #if LIBCURL_VERSION_NUM >= 0x070a06
27 #define LIBCURL_CAN_HANDLE_AUTH_ANY
30 static int min_curl_sessions
= 1;
31 static int curl_session_count
;
33 static int max_requests
= -1;
36 #ifndef NO_CURL_EASY_DUPHANDLE
37 static CURL
*curl_default
;
40 #define PREV_BUF_SIZE 4096
42 char curl_errorstr
[CURL_ERROR_SIZE
];
44 static int curl_ssl_verify
= -1;
45 static int curl_ssl_try
;
46 static const char *ssl_cert
;
47 static const char *ssl_cipherlist
;
48 static const char *ssl_version
;
53 { "sslv2", CURL_SSLVERSION_SSLv2
},
54 { "sslv3", CURL_SSLVERSION_SSLv3
},
55 { "tlsv1", CURL_SSLVERSION_TLSv1
},
56 #if LIBCURL_VERSION_NUM >= 0x072200
57 { "tlsv1.0", CURL_SSLVERSION_TLSv1_0
},
58 { "tlsv1.1", CURL_SSLVERSION_TLSv1_1
},
59 { "tlsv1.2", CURL_SSLVERSION_TLSv1_2
},
62 #if LIBCURL_VERSION_NUM >= 0x070903
63 static const char *ssl_key
;
65 #if LIBCURL_VERSION_NUM >= 0x070908
66 static const char *ssl_capath
;
68 #if LIBCURL_VERSION_NUM >= 0x072c00
69 static const char *ssl_pinnedkey
;
71 static const char *ssl_cainfo
;
72 static long curl_low_speed_limit
= -1;
73 static long curl_low_speed_time
= -1;
74 static int curl_ftp_no_epsv
;
75 static const char *curl_http_proxy
;
76 static const char *curl_no_proxy
;
77 static const char *http_proxy_authmethod
;
81 } proxy_authmethods
[] = {
82 { "basic", CURLAUTH_BASIC
},
83 { "digest", CURLAUTH_DIGEST
},
84 { "negotiate", CURLAUTH_GSSNEGOTIATE
},
85 { "ntlm", CURLAUTH_NTLM
},
86 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
87 { "anyauth", CURLAUTH_ANY
},
90 * CURLAUTH_DIGEST_IE has no corresponding command-line option in
91 * curl(1) and is not included in CURLAUTH_ANY, so we leave it out
95 #ifdef CURLGSSAPI_DELEGATION_FLAG
96 static const char *curl_deleg
;
99 long curl_deleg_param
;
100 } curl_deleg_levels
[] = {
101 { "none", CURLGSSAPI_DELEGATION_NONE
},
102 { "policy", CURLGSSAPI_DELEGATION_POLICY_FLAG
},
103 { "always", CURLGSSAPI_DELEGATION_FLAG
},
107 static struct credential proxy_auth
= CREDENTIAL_INIT
;
108 static const char *curl_proxyuserpwd
;
109 static const char *curl_cookie_file
;
110 static int curl_save_cookies
;
111 struct credential http_auth
= CREDENTIAL_INIT
;
112 static int http_proactive_auth
;
113 static const char *user_agent
;
114 static int curl_empty_auth
= -1;
116 enum http_follow_config http_follow_config
= HTTP_FOLLOW_INITIAL
;
118 #if LIBCURL_VERSION_NUM >= 0x071700
119 /* Use CURLOPT_KEYPASSWD as is */
120 #elif LIBCURL_VERSION_NUM >= 0x070903
121 #define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD
123 #define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD
126 static struct credential cert_auth
= CREDENTIAL_INIT
;
127 static int ssl_cert_password_required
;
128 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
129 static unsigned long http_auth_methods
= CURLAUTH_ANY
;
130 static int http_auth_methods_restricted
;
131 /* Modes for which empty_auth cannot actually help us. */
132 static unsigned long empty_auth_useless
=
134 #ifdef CURLAUTH_DIGEST_IE
140 static struct curl_slist
*pragma_header
;
141 static struct curl_slist
*no_pragma_header
;
142 static struct curl_slist
*extra_http_headers
;
144 static struct active_request_slot
*active_queue_head
;
146 static char *cached_accept_language
;
148 size_t fread_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *buffer_
)
150 size_t size
= eltsize
* nmemb
;
151 struct buffer
*buffer
= buffer_
;
153 if (size
> buffer
->buf
.len
- buffer
->posn
)
154 size
= buffer
->buf
.len
- buffer
->posn
;
155 memcpy(ptr
, buffer
->buf
.buf
+ buffer
->posn
, size
);
156 buffer
->posn
+= size
;
161 #ifndef NO_CURL_IOCTL
162 curlioerr
ioctl_buffer(CURL
*handle
, int cmd
, void *clientp
)
164 struct buffer
*buffer
= clientp
;
170 case CURLIOCMD_RESTARTREAD
:
175 return CURLIOE_UNKNOWNCMD
;
180 size_t fwrite_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *buffer_
)
182 size_t size
= eltsize
* nmemb
;
183 struct strbuf
*buffer
= buffer_
;
185 strbuf_add(buffer
, ptr
, size
);
189 size_t fwrite_null(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
)
191 return eltsize
* nmemb
;
194 static void closedown_active_slot(struct active_request_slot
*slot
)
200 static void finish_active_slot(struct active_request_slot
*slot
)
202 closedown_active_slot(slot
);
203 curl_easy_getinfo(slot
->curl
, CURLINFO_HTTP_CODE
, &slot
->http_code
);
205 if (slot
->finished
!= NULL
)
206 (*slot
->finished
) = 1;
208 /* Store slot results so they can be read after the slot is reused */
209 if (slot
->results
!= NULL
) {
210 slot
->results
->curl_result
= slot
->curl_result
;
211 slot
->results
->http_code
= slot
->http_code
;
212 #if LIBCURL_VERSION_NUM >= 0x070a08
213 curl_easy_getinfo(slot
->curl
, CURLINFO_HTTPAUTH_AVAIL
,
214 &slot
->results
->auth_avail
);
216 slot
->results
->auth_avail
= 0;
219 curl_easy_getinfo(slot
->curl
, CURLINFO_HTTP_CONNECTCODE
,
220 &slot
->results
->http_connectcode
);
223 /* Run callback if appropriate */
224 if (slot
->callback_func
!= NULL
)
225 slot
->callback_func(slot
->callback_data
);
228 static void xmulti_remove_handle(struct active_request_slot
*slot
)
230 #ifdef USE_CURL_MULTI
231 curl_multi_remove_handle(curlm
, slot
->curl
);
235 #ifdef USE_CURL_MULTI
236 static void process_curl_messages(void)
239 struct active_request_slot
*slot
;
240 CURLMsg
*curl_message
= curl_multi_info_read(curlm
, &num_messages
);
242 while (curl_message
!= NULL
) {
243 if (curl_message
->msg
== CURLMSG_DONE
) {
244 int curl_result
= curl_message
->data
.result
;
245 slot
= active_queue_head
;
246 while (slot
!= NULL
&&
247 slot
->curl
!= curl_message
->easy_handle
)
250 xmulti_remove_handle(slot
);
251 slot
->curl_result
= curl_result
;
252 finish_active_slot(slot
);
254 fprintf(stderr
, "Received DONE message for unknown request!\n");
257 fprintf(stderr
, "Unknown CURL message received: %d\n",
258 (int)curl_message
->msg
);
260 curl_message
= curl_multi_info_read(curlm
, &num_messages
);
265 static int http_options(const char *var
, const char *value
, void *cb
)
267 if (!strcmp("http.sslverify", var
)) {
268 curl_ssl_verify
= git_config_bool(var
, value
);
271 if (!strcmp("http.sslcipherlist", var
))
272 return git_config_string(&ssl_cipherlist
, var
, value
);
273 if (!strcmp("http.sslversion", var
))
274 return git_config_string(&ssl_version
, var
, value
);
275 if (!strcmp("http.sslcert", var
))
276 return git_config_pathname(&ssl_cert
, var
, value
);
277 #if LIBCURL_VERSION_NUM >= 0x070903
278 if (!strcmp("http.sslkey", var
))
279 return git_config_pathname(&ssl_key
, var
, value
);
281 #if LIBCURL_VERSION_NUM >= 0x070908
282 if (!strcmp("http.sslcapath", var
))
283 return git_config_pathname(&ssl_capath
, var
, value
);
285 if (!strcmp("http.sslcainfo", var
))
286 return git_config_pathname(&ssl_cainfo
, var
, value
);
287 if (!strcmp("http.sslcertpasswordprotected", var
)) {
288 ssl_cert_password_required
= git_config_bool(var
, value
);
291 if (!strcmp("http.ssltry", var
)) {
292 curl_ssl_try
= git_config_bool(var
, value
);
295 if (!strcmp("http.minsessions", var
)) {
296 min_curl_sessions
= git_config_int(var
, value
);
297 #ifndef USE_CURL_MULTI
298 if (min_curl_sessions
> 1)
299 min_curl_sessions
= 1;
303 #ifdef USE_CURL_MULTI
304 if (!strcmp("http.maxrequests", var
)) {
305 max_requests
= git_config_int(var
, value
);
309 if (!strcmp("http.lowspeedlimit", var
)) {
310 curl_low_speed_limit
= (long)git_config_int(var
, value
);
313 if (!strcmp("http.lowspeedtime", var
)) {
314 curl_low_speed_time
= (long)git_config_int(var
, value
);
318 if (!strcmp("http.noepsv", var
)) {
319 curl_ftp_no_epsv
= git_config_bool(var
, value
);
322 if (!strcmp("http.proxy", var
))
323 return git_config_string(&curl_http_proxy
, var
, value
);
325 if (!strcmp("http.proxyauthmethod", var
))
326 return git_config_string(&http_proxy_authmethod
, var
, value
);
328 if (!strcmp("http.cookiefile", var
))
329 return git_config_pathname(&curl_cookie_file
, var
, value
);
330 if (!strcmp("http.savecookies", var
)) {
331 curl_save_cookies
= git_config_bool(var
, value
);
335 if (!strcmp("http.postbuffer", var
)) {
336 http_post_buffer
= git_config_ssize_t(var
, value
);
337 if (http_post_buffer
< 0)
338 warning(_("negative value for http.postbuffer; defaulting to %d"), LARGE_PACKET_MAX
);
339 if (http_post_buffer
< LARGE_PACKET_MAX
)
340 http_post_buffer
= LARGE_PACKET_MAX
;
344 if (!strcmp("http.useragent", var
))
345 return git_config_string(&user_agent
, var
, value
);
347 if (!strcmp("http.emptyauth", var
)) {
348 if (value
&& !strcmp("auto", value
))
349 curl_empty_auth
= -1;
351 curl_empty_auth
= git_config_bool(var
, value
);
355 if (!strcmp("http.delegation", var
)) {
356 #ifdef CURLGSSAPI_DELEGATION_FLAG
357 return git_config_string(&curl_deleg
, var
, value
);
359 warning(_("Delegation control is not supported with cURL < 7.22.0"));
364 if (!strcmp("http.pinnedpubkey", var
)) {
365 #if LIBCURL_VERSION_NUM >= 0x072c00
366 return git_config_pathname(&ssl_pinnedkey
, var
, value
);
368 warning(_("Public key pinning not supported with cURL < 7.44.0"));
373 if (!strcmp("http.extraheader", var
)) {
375 return config_error_nonbool(var
);
376 } else if (!*value
) {
377 curl_slist_free_all(extra_http_headers
);
378 extra_http_headers
= NULL
;
381 curl_slist_append(extra_http_headers
, value
);
386 if (!strcmp("http.followredirects", var
)) {
387 if (value
&& !strcmp(value
, "initial"))
388 http_follow_config
= HTTP_FOLLOW_INITIAL
;
389 else if (git_config_bool(var
, value
))
390 http_follow_config
= HTTP_FOLLOW_ALWAYS
;
392 http_follow_config
= HTTP_FOLLOW_NONE
;
396 /* Fall back on the default ones */
397 return git_default_config(var
, value
, cb
);
400 static int curl_empty_auth_enabled(void)
402 if (curl_empty_auth
>= 0)
403 return curl_empty_auth
;
405 #ifndef LIBCURL_CAN_HANDLE_AUTH_ANY
407 * Our libcurl is too old to do AUTH_ANY in the first place;
408 * just default to turning the feature off.
412 * In the automatic case, kick in the empty-auth
413 * hack as long as we would potentially try some
414 * method more exotic than "Basic" or "Digest".
416 * But only do this when this is our second or
417 * subsequent request, as by then we know what
418 * methods are available.
420 if (http_auth_methods_restricted
&&
421 (http_auth_methods
& ~empty_auth_useless
))
427 static void init_curl_http_auth(CURL
*result
)
429 if (!http_auth
.username
|| !*http_auth
.username
) {
430 if (curl_empty_auth_enabled())
431 curl_easy_setopt(result
, CURLOPT_USERPWD
, ":");
435 credential_fill(&http_auth
);
437 #if LIBCURL_VERSION_NUM >= 0x071301
438 curl_easy_setopt(result
, CURLOPT_USERNAME
, http_auth
.username
);
439 curl_easy_setopt(result
, CURLOPT_PASSWORD
, http_auth
.password
);
442 static struct strbuf up
= STRBUF_INIT
;
444 * Note that we assume we only ever have a single set of
445 * credentials in a given program run, so we do not have
446 * to worry about updating this buffer, only setting its
450 strbuf_addf(&up
, "%s:%s",
451 http_auth
.username
, http_auth
.password
);
452 curl_easy_setopt(result
, CURLOPT_USERPWD
, up
.buf
);
457 /* *var must be free-able */
458 static void var_override(const char **var
, char *value
)
462 *var
= xstrdup(value
);
466 static void set_proxyauth_name_password(CURL
*result
)
468 #if LIBCURL_VERSION_NUM >= 0x071301
469 curl_easy_setopt(result
, CURLOPT_PROXYUSERNAME
,
470 proxy_auth
.username
);
471 curl_easy_setopt(result
, CURLOPT_PROXYPASSWORD
,
472 proxy_auth
.password
);
474 struct strbuf s
= STRBUF_INIT
;
476 strbuf_addstr_urlencode(&s
, proxy_auth
.username
, 1);
477 strbuf_addch(&s
, ':');
478 strbuf_addstr_urlencode(&s
, proxy_auth
.password
, 1);
479 curl_proxyuserpwd
= strbuf_detach(&s
, NULL
);
480 curl_easy_setopt(result
, CURLOPT_PROXYUSERPWD
, curl_proxyuserpwd
);
484 static void init_curl_proxy_auth(CURL
*result
)
486 if (proxy_auth
.username
) {
487 if (!proxy_auth
.password
)
488 credential_fill(&proxy_auth
);
489 set_proxyauth_name_password(result
);
492 var_override(&http_proxy_authmethod
, getenv("GIT_HTTP_PROXY_AUTHMETHOD"));
494 #if LIBCURL_VERSION_NUM >= 0x070a07 /* CURLOPT_PROXYAUTH and CURLAUTH_ANY */
495 if (http_proxy_authmethod
) {
497 for (i
= 0; i
< ARRAY_SIZE(proxy_authmethods
); i
++) {
498 if (!strcmp(http_proxy_authmethod
, proxy_authmethods
[i
].name
)) {
499 curl_easy_setopt(result
, CURLOPT_PROXYAUTH
,
500 proxy_authmethods
[i
].curlauth_param
);
504 if (i
== ARRAY_SIZE(proxy_authmethods
)) {
505 warning("unsupported proxy authentication method %s: using anyauth",
506 http_proxy_authmethod
);
507 curl_easy_setopt(result
, CURLOPT_PROXYAUTH
, CURLAUTH_ANY
);
511 curl_easy_setopt(result
, CURLOPT_PROXYAUTH
, CURLAUTH_ANY
);
515 static int has_cert_password(void)
517 if (ssl_cert
== NULL
|| ssl_cert_password_required
!= 1)
519 if (!cert_auth
.password
) {
520 cert_auth
.protocol
= xstrdup("cert");
521 cert_auth
.username
= xstrdup("");
522 cert_auth
.path
= xstrdup(ssl_cert
);
523 credential_fill(&cert_auth
);
528 #if LIBCURL_VERSION_NUM >= 0x071900
529 static void set_curl_keepalive(CURL
*c
)
531 curl_easy_setopt(c
, CURLOPT_TCP_KEEPALIVE
, 1);
534 #elif LIBCURL_VERSION_NUM >= 0x071000
535 static int sockopt_callback(void *client
, curl_socket_t fd
, curlsocktype type
)
539 socklen_t len
= (socklen_t
)sizeof(ka
);
541 if (type
!= CURLSOCKTYPE_IPCXN
)
544 rc
= setsockopt(fd
, SOL_SOCKET
, SO_KEEPALIVE
, (void *)&ka
, len
);
546 warning_errno("unable to set SO_KEEPALIVE on socket");
548 return 0; /* CURL_SOCKOPT_OK only exists since curl 7.21.5 */
551 static void set_curl_keepalive(CURL
*c
)
553 curl_easy_setopt(c
, CURLOPT_SOCKOPTFUNCTION
, sockopt_callback
);
557 static void set_curl_keepalive(CURL
*c
)
559 /* not supported on older curl versions */
563 static void redact_sensitive_header(struct strbuf
*header
)
565 const char *sensitive_header
;
567 if (skip_prefix(header
->buf
, "Authorization:", &sensitive_header
) ||
568 skip_prefix(header
->buf
, "Proxy-Authorization:", &sensitive_header
)) {
569 /* The first token is the type, which is OK to log */
570 while (isspace(*sensitive_header
))
572 while (*sensitive_header
&& !isspace(*sensitive_header
))
574 /* Everything else is opaque and possibly sensitive */
575 strbuf_setlen(header
, sensitive_header
- header
->buf
);
576 strbuf_addstr(header
, " <redacted>");
580 static void curl_dump_header(const char *text
, unsigned char *ptr
, size_t size
, int hide_sensitive_header
)
582 struct strbuf out
= STRBUF_INIT
;
583 struct strbuf
**headers
, **header
;
585 strbuf_addf(&out
, "%s, %10.10ld bytes (0x%8.8lx)\n",
586 text
, (long)size
, (long)size
);
587 trace_strbuf(&trace_curl
, &out
);
589 strbuf_add(&out
, ptr
, size
);
590 headers
= strbuf_split_max(&out
, '\n', 0);
592 for (header
= headers
; *header
; header
++) {
593 if (hide_sensitive_header
)
594 redact_sensitive_header(*header
);
595 strbuf_insert((*header
), 0, text
, strlen(text
));
596 strbuf_insert((*header
), strlen(text
), ": ", 2);
597 strbuf_rtrim((*header
));
598 strbuf_addch((*header
), '\n');
599 trace_strbuf(&trace_curl
, (*header
));
601 strbuf_list_free(headers
);
602 strbuf_release(&out
);
605 static void curl_dump_data(const char *text
, unsigned char *ptr
, size_t size
)
608 struct strbuf out
= STRBUF_INIT
;
609 unsigned int width
= 60;
611 strbuf_addf(&out
, "%s, %10.10ld bytes (0x%8.8lx)\n",
612 text
, (long)size
, (long)size
);
613 trace_strbuf(&trace_curl
, &out
);
615 for (i
= 0; i
< size
; i
+= width
) {
619 strbuf_addf(&out
, "%s: ", text
);
620 for (w
= 0; (w
< width
) && (i
+ w
< size
); w
++) {
621 unsigned char ch
= ptr
[i
+ w
];
624 (ch
>= 0x20) && (ch
< 0x80)
627 strbuf_addch(&out
, '\n');
628 trace_strbuf(&trace_curl
, &out
);
630 strbuf_release(&out
);
633 static int curl_trace(CURL
*handle
, curl_infotype type
, char *data
, size_t size
, void *userp
)
636 enum { NO_FILTER
= 0, DO_FILTER
= 1 };
640 trace_printf_key(&trace_curl
, "== Info: %s", data
);
642 case CURLINFO_HEADER_OUT
:
643 text
= "=> Send header";
644 curl_dump_header(text
, (unsigned char *)data
, size
, DO_FILTER
);
646 case CURLINFO_DATA_OUT
:
647 text
= "=> Send data";
648 curl_dump_data(text
, (unsigned char *)data
, size
);
650 case CURLINFO_SSL_DATA_OUT
:
651 text
= "=> Send SSL data";
652 curl_dump_data(text
, (unsigned char *)data
, size
);
654 case CURLINFO_HEADER_IN
:
655 text
= "<= Recv header";
656 curl_dump_header(text
, (unsigned char *)data
, size
, NO_FILTER
);
658 case CURLINFO_DATA_IN
:
659 text
= "<= Recv data";
660 curl_dump_data(text
, (unsigned char *)data
, size
);
662 case CURLINFO_SSL_DATA_IN
:
663 text
= "<= Recv SSL data";
664 curl_dump_data(text
, (unsigned char *)data
, size
);
667 default: /* we ignore unknown types by default */
673 void setup_curl_trace(CURL
*handle
)
675 if (!trace_want(&trace_curl
))
677 curl_easy_setopt(handle
, CURLOPT_VERBOSE
, 1L);
678 curl_easy_setopt(handle
, CURLOPT_DEBUGFUNCTION
, curl_trace
);
679 curl_easy_setopt(handle
, CURLOPT_DEBUGDATA
, NULL
);
682 #ifdef CURLPROTO_HTTP
683 static long get_curl_allowed_protocols(int from_user
)
685 long allowed_protocols
= 0;
687 if (is_transport_allowed("http", from_user
))
688 allowed_protocols
|= CURLPROTO_HTTP
;
689 if (is_transport_allowed("https", from_user
))
690 allowed_protocols
|= CURLPROTO_HTTPS
;
691 if (is_transport_allowed("ftp", from_user
))
692 allowed_protocols
|= CURLPROTO_FTP
;
693 if (is_transport_allowed("ftps", from_user
))
694 allowed_protocols
|= CURLPROTO_FTPS
;
696 return allowed_protocols
;
700 static CURL
*get_curl_handle(void)
702 CURL
*result
= curl_easy_init();
705 die("curl_easy_init failed");
707 if (!curl_ssl_verify
) {
708 curl_easy_setopt(result
, CURLOPT_SSL_VERIFYPEER
, 0);
709 curl_easy_setopt(result
, CURLOPT_SSL_VERIFYHOST
, 0);
711 /* Verify authenticity of the peer's certificate */
712 curl_easy_setopt(result
, CURLOPT_SSL_VERIFYPEER
, 1);
713 /* The name in the cert must match whom we tried to connect */
714 curl_easy_setopt(result
, CURLOPT_SSL_VERIFYHOST
, 2);
717 #if LIBCURL_VERSION_NUM >= 0x070907
718 curl_easy_setopt(result
, CURLOPT_NETRC
, CURL_NETRC_OPTIONAL
);
720 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
721 curl_easy_setopt(result
, CURLOPT_HTTPAUTH
, CURLAUTH_ANY
);
724 #ifdef CURLGSSAPI_DELEGATION_FLAG
727 for (i
= 0; i
< ARRAY_SIZE(curl_deleg_levels
); i
++) {
728 if (!strcmp(curl_deleg
, curl_deleg_levels
[i
].name
)) {
729 curl_easy_setopt(result
, CURLOPT_GSSAPI_DELEGATION
,
730 curl_deleg_levels
[i
].curl_deleg_param
);
734 if (i
== ARRAY_SIZE(curl_deleg_levels
))
735 warning("Unknown delegation method '%s': using default",
740 if (http_proactive_auth
)
741 init_curl_http_auth(result
);
743 if (getenv("GIT_SSL_VERSION"))
744 ssl_version
= getenv("GIT_SSL_VERSION");
745 if (ssl_version
&& *ssl_version
) {
747 for (i
= 0; i
< ARRAY_SIZE(sslversions
); i
++) {
748 if (!strcmp(ssl_version
, sslversions
[i
].name
)) {
749 curl_easy_setopt(result
, CURLOPT_SSLVERSION
,
750 sslversions
[i
].ssl_version
);
754 if (i
== ARRAY_SIZE(sslversions
))
755 warning("unsupported ssl version %s: using default",
759 if (getenv("GIT_SSL_CIPHER_LIST"))
760 ssl_cipherlist
= getenv("GIT_SSL_CIPHER_LIST");
761 if (ssl_cipherlist
!= NULL
&& *ssl_cipherlist
)
762 curl_easy_setopt(result
, CURLOPT_SSL_CIPHER_LIST
,
765 if (ssl_cert
!= NULL
)
766 curl_easy_setopt(result
, CURLOPT_SSLCERT
, ssl_cert
);
767 if (has_cert_password())
768 curl_easy_setopt(result
, CURLOPT_KEYPASSWD
, cert_auth
.password
);
769 #if LIBCURL_VERSION_NUM >= 0x070903
771 curl_easy_setopt(result
, CURLOPT_SSLKEY
, ssl_key
);
773 #if LIBCURL_VERSION_NUM >= 0x070908
774 if (ssl_capath
!= NULL
)
775 curl_easy_setopt(result
, CURLOPT_CAPATH
, ssl_capath
);
777 #if LIBCURL_VERSION_NUM >= 0x072c00
778 if (ssl_pinnedkey
!= NULL
)
779 curl_easy_setopt(result
, CURLOPT_PINNEDPUBLICKEY
, ssl_pinnedkey
);
781 if (ssl_cainfo
!= NULL
)
782 curl_easy_setopt(result
, CURLOPT_CAINFO
, ssl_cainfo
);
784 if (curl_low_speed_limit
> 0 && curl_low_speed_time
> 0) {
785 curl_easy_setopt(result
, CURLOPT_LOW_SPEED_LIMIT
,
786 curl_low_speed_limit
);
787 curl_easy_setopt(result
, CURLOPT_LOW_SPEED_TIME
,
788 curl_low_speed_time
);
791 curl_easy_setopt(result
, CURLOPT_MAXREDIRS
, 20);
792 #if LIBCURL_VERSION_NUM >= 0x071301
793 curl_easy_setopt(result
, CURLOPT_POSTREDIR
, CURL_REDIR_POST_ALL
);
794 #elif LIBCURL_VERSION_NUM >= 0x071101
795 curl_easy_setopt(result
, CURLOPT_POST301
, 1);
797 #ifdef CURLPROTO_HTTP
798 curl_easy_setopt(result
, CURLOPT_REDIR_PROTOCOLS
,
799 get_curl_allowed_protocols(0));
800 curl_easy_setopt(result
, CURLOPT_PROTOCOLS
,
801 get_curl_allowed_protocols(-1));
803 warning("protocol restrictions not applied to curl redirects because\n"
804 "your curl version is too old (>= 7.19.4)");
806 if (getenv("GIT_CURL_VERBOSE"))
807 curl_easy_setopt(result
, CURLOPT_VERBOSE
, 1L);
808 setup_curl_trace(result
);
810 curl_easy_setopt(result
, CURLOPT_USERAGENT
,
811 user_agent
? user_agent
: git_user_agent());
813 if (curl_ftp_no_epsv
)
814 curl_easy_setopt(result
, CURLOPT_FTP_USE_EPSV
, 0);
816 #ifdef CURLOPT_USE_SSL
818 curl_easy_setopt(result
, CURLOPT_USE_SSL
, CURLUSESSL_TRY
);
822 * CURL also examines these variables as a fallback; but we need to query
823 * them here in order to decide whether to prompt for missing password (cf.
824 * init_curl_proxy_auth()).
826 * Unlike many other common environment variables, these are historically
827 * lowercase only. It appears that CURL did not know this and implemented
828 * only uppercase variants, which was later corrected to take both - with
829 * the exception of http_proxy, which is lowercase only also in CURL. As
830 * the lowercase versions are the historical quasi-standard, they take
831 * precedence here, as in CURL.
833 if (!curl_http_proxy
) {
834 if (http_auth
.protocol
&& !strcmp(http_auth
.protocol
, "https")) {
835 var_override(&curl_http_proxy
, getenv("HTTPS_PROXY"));
836 var_override(&curl_http_proxy
, getenv("https_proxy"));
838 var_override(&curl_http_proxy
, getenv("http_proxy"));
840 if (!curl_http_proxy
) {
841 var_override(&curl_http_proxy
, getenv("ALL_PROXY"));
842 var_override(&curl_http_proxy
, getenv("all_proxy"));
846 if (curl_http_proxy
&& curl_http_proxy
[0] == '\0') {
848 * Handle case with the empty http.proxy value here to keep
850 * NB: empty option disables proxying at all.
852 curl_easy_setopt(result
, CURLOPT_PROXY
, "");
853 } else if (curl_http_proxy
) {
854 #if LIBCURL_VERSION_NUM >= 0x071800
855 if (starts_with(curl_http_proxy
, "socks5h"))
856 curl_easy_setopt(result
,
857 CURLOPT_PROXYTYPE
, CURLPROXY_SOCKS5_HOSTNAME
);
858 else if (starts_with(curl_http_proxy
, "socks5"))
859 curl_easy_setopt(result
,
860 CURLOPT_PROXYTYPE
, CURLPROXY_SOCKS5
);
861 else if (starts_with(curl_http_proxy
, "socks4a"))
862 curl_easy_setopt(result
,
863 CURLOPT_PROXYTYPE
, CURLPROXY_SOCKS4A
);
864 else if (starts_with(curl_http_proxy
, "socks"))
865 curl_easy_setopt(result
,
866 CURLOPT_PROXYTYPE
, CURLPROXY_SOCKS4
);
868 if (strstr(curl_http_proxy
, "://"))
869 credential_from_url(&proxy_auth
, curl_http_proxy
);
871 struct strbuf url
= STRBUF_INIT
;
872 strbuf_addf(&url
, "http://%s", curl_http_proxy
);
873 credential_from_url(&proxy_auth
, url
.buf
);
874 strbuf_release(&url
);
877 if (!proxy_auth
.host
)
878 die("Invalid proxy URL '%s'", curl_http_proxy
);
880 curl_easy_setopt(result
, CURLOPT_PROXY
, proxy_auth
.host
);
881 #if LIBCURL_VERSION_NUM >= 0x071304
882 var_override(&curl_no_proxy
, getenv("NO_PROXY"));
883 var_override(&curl_no_proxy
, getenv("no_proxy"));
884 curl_easy_setopt(result
, CURLOPT_NOPROXY
, curl_no_proxy
);
887 init_curl_proxy_auth(result
);
889 set_curl_keepalive(result
);
894 static void set_from_env(const char **var
, const char *envname
)
896 const char *val
= getenv(envname
);
901 void http_init(struct remote
*remote
, const char *url
, int proactive_auth
)
903 char *low_speed_limit
;
904 char *low_speed_time
;
905 char *normalized_url
;
906 struct urlmatch_config config
= { STRING_LIST_INIT_DUP
};
908 config
.section
= "http";
910 config
.collect_fn
= http_options
;
911 config
.cascade_fn
= git_default_config
;
915 normalized_url
= url_normalize(url
, &config
.url
);
917 git_config(urlmatch_config_entry
, &config
);
918 free(normalized_url
);
920 if (curl_global_init(CURL_GLOBAL_ALL
) != CURLE_OK
)
921 die("curl_global_init failed");
923 http_proactive_auth
= proactive_auth
;
925 if (remote
&& remote
->http_proxy
)
926 curl_http_proxy
= xstrdup(remote
->http_proxy
);
929 var_override(&http_proxy_authmethod
, remote
->http_proxy_authmethod
);
931 pragma_header
= curl_slist_append(http_copy_default_headers(),
933 no_pragma_header
= curl_slist_append(http_copy_default_headers(),
936 #ifdef USE_CURL_MULTI
938 char *http_max_requests
= getenv("GIT_HTTP_MAX_REQUESTS");
939 if (http_max_requests
!= NULL
)
940 max_requests
= atoi(http_max_requests
);
943 curlm
= curl_multi_init();
945 die("curl_multi_init failed");
948 if (getenv("GIT_SSL_NO_VERIFY"))
951 set_from_env(&ssl_cert
, "GIT_SSL_CERT");
952 #if LIBCURL_VERSION_NUM >= 0x070903
953 set_from_env(&ssl_key
, "GIT_SSL_KEY");
955 #if LIBCURL_VERSION_NUM >= 0x070908
956 set_from_env(&ssl_capath
, "GIT_SSL_CAPATH");
958 set_from_env(&ssl_cainfo
, "GIT_SSL_CAINFO");
960 set_from_env(&user_agent
, "GIT_HTTP_USER_AGENT");
962 low_speed_limit
= getenv("GIT_HTTP_LOW_SPEED_LIMIT");
963 if (low_speed_limit
!= NULL
)
964 curl_low_speed_limit
= strtol(low_speed_limit
, NULL
, 10);
965 low_speed_time
= getenv("GIT_HTTP_LOW_SPEED_TIME");
966 if (low_speed_time
!= NULL
)
967 curl_low_speed_time
= strtol(low_speed_time
, NULL
, 10);
969 if (curl_ssl_verify
== -1)
972 curl_session_count
= 0;
973 #ifdef USE_CURL_MULTI
974 if (max_requests
< 1)
975 max_requests
= DEFAULT_MAX_REQUESTS
;
978 if (getenv("GIT_CURL_FTP_NO_EPSV"))
979 curl_ftp_no_epsv
= 1;
982 credential_from_url(&http_auth
, url
);
983 if (!ssl_cert_password_required
&&
984 getenv("GIT_SSL_CERT_PASSWORD_PROTECTED") &&
985 starts_with(url
, "https://"))
986 ssl_cert_password_required
= 1;
989 #ifndef NO_CURL_EASY_DUPHANDLE
990 curl_default
= get_curl_handle();
994 void http_cleanup(void)
996 struct active_request_slot
*slot
= active_queue_head
;
998 while (slot
!= NULL
) {
999 struct active_request_slot
*next
= slot
->next
;
1000 if (slot
->curl
!= NULL
) {
1001 xmulti_remove_handle(slot
);
1002 curl_easy_cleanup(slot
->curl
);
1007 active_queue_head
= NULL
;
1009 #ifndef NO_CURL_EASY_DUPHANDLE
1010 curl_easy_cleanup(curl_default
);
1013 #ifdef USE_CURL_MULTI
1014 curl_multi_cleanup(curlm
);
1016 curl_global_cleanup();
1018 curl_slist_free_all(extra_http_headers
);
1019 extra_http_headers
= NULL
;
1021 curl_slist_free_all(pragma_header
);
1022 pragma_header
= NULL
;
1024 curl_slist_free_all(no_pragma_header
);
1025 no_pragma_header
= NULL
;
1027 if (curl_http_proxy
) {
1028 free((void *)curl_http_proxy
);
1029 curl_http_proxy
= NULL
;
1032 if (proxy_auth
.password
) {
1033 memset(proxy_auth
.password
, 0, strlen(proxy_auth
.password
));
1034 FREE_AND_NULL(proxy_auth
.password
);
1037 free((void *)curl_proxyuserpwd
);
1038 curl_proxyuserpwd
= NULL
;
1040 free((void *)http_proxy_authmethod
);
1041 http_proxy_authmethod
= NULL
;
1043 if (cert_auth
.password
!= NULL
) {
1044 memset(cert_auth
.password
, 0, strlen(cert_auth
.password
));
1045 FREE_AND_NULL(cert_auth
.password
);
1047 ssl_cert_password_required
= 0;
1049 FREE_AND_NULL(cached_accept_language
);
1052 struct active_request_slot
*get_active_slot(void)
1054 struct active_request_slot
*slot
= active_queue_head
;
1055 struct active_request_slot
*newslot
;
1057 #ifdef USE_CURL_MULTI
1060 /* Wait for a slot to open up if the queue is full */
1061 while (active_requests
>= max_requests
) {
1062 curl_multi_perform(curlm
, &num_transfers
);
1063 if (num_transfers
< active_requests
)
1064 process_curl_messages();
1068 while (slot
!= NULL
&& slot
->in_use
)
1072 newslot
= xmalloc(sizeof(*newslot
));
1073 newslot
->curl
= NULL
;
1074 newslot
->in_use
= 0;
1075 newslot
->next
= NULL
;
1077 slot
= active_queue_head
;
1079 active_queue_head
= newslot
;
1081 while (slot
->next
!= NULL
)
1083 slot
->next
= newslot
;
1088 if (slot
->curl
== NULL
) {
1089 #ifdef NO_CURL_EASY_DUPHANDLE
1090 slot
->curl
= get_curl_handle();
1092 slot
->curl
= curl_easy_duphandle(curl_default
);
1094 curl_session_count
++;
1099 slot
->results
= NULL
;
1100 slot
->finished
= NULL
;
1101 slot
->callback_data
= NULL
;
1102 slot
->callback_func
= NULL
;
1103 curl_easy_setopt(slot
->curl
, CURLOPT_COOKIEFILE
, curl_cookie_file
);
1104 if (curl_save_cookies
)
1105 curl_easy_setopt(slot
->curl
, CURLOPT_COOKIEJAR
, curl_cookie_file
);
1106 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, pragma_header
);
1107 curl_easy_setopt(slot
->curl
, CURLOPT_ERRORBUFFER
, curl_errorstr
);
1108 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, NULL
);
1109 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, NULL
);
1110 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, NULL
);
1111 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDS
, NULL
);
1112 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 0);
1113 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
1114 curl_easy_setopt(slot
->curl
, CURLOPT_FAILONERROR
, 1);
1115 curl_easy_setopt(slot
->curl
, CURLOPT_RANGE
, NULL
);
1118 * Default following to off unless "ALWAYS" is configured; this gives
1119 * callers a sane starting point, and they can tweak for individual
1120 * HTTP_FOLLOW_* cases themselves.
1122 if (http_follow_config
== HTTP_FOLLOW_ALWAYS
)
1123 curl_easy_setopt(slot
->curl
, CURLOPT_FOLLOWLOCATION
, 1);
1125 curl_easy_setopt(slot
->curl
, CURLOPT_FOLLOWLOCATION
, 0);
1127 #if LIBCURL_VERSION_NUM >= 0x070a08
1128 curl_easy_setopt(slot
->curl
, CURLOPT_IPRESOLVE
, git_curl_ipresolve
);
1130 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
1131 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPAUTH
, http_auth_methods
);
1133 if (http_auth
.password
|| curl_empty_auth_enabled())
1134 init_curl_http_auth(slot
->curl
);
1139 int start_active_slot(struct active_request_slot
*slot
)
1141 #ifdef USE_CURL_MULTI
1142 CURLMcode curlm_result
= curl_multi_add_handle(curlm
, slot
->curl
);
1145 if (curlm_result
!= CURLM_OK
&&
1146 curlm_result
!= CURLM_CALL_MULTI_PERFORM
) {
1147 warning("curl_multi_add_handle failed: %s",
1148 curl_multi_strerror(curlm_result
));
1155 * We know there must be something to do, since we just added
1158 curl_multi_perform(curlm
, &num_transfers
);
1163 #ifdef USE_CURL_MULTI
1166 int (*fill
)(void *);
1167 struct fill_chain
*next
;
1170 static struct fill_chain
*fill_cfg
;
1172 void add_fill_function(void *data
, int (*fill
)(void *))
1174 struct fill_chain
*new = xmalloc(sizeof(*new));
1175 struct fill_chain
**linkp
= &fill_cfg
;
1180 linkp
= &(*linkp
)->next
;
1184 void fill_active_slots(void)
1186 struct active_request_slot
*slot
= active_queue_head
;
1188 while (active_requests
< max_requests
) {
1189 struct fill_chain
*fill
;
1190 for (fill
= fill_cfg
; fill
; fill
= fill
->next
)
1191 if (fill
->fill(fill
->data
))
1198 while (slot
!= NULL
) {
1199 if (!slot
->in_use
&& slot
->curl
!= NULL
1200 && curl_session_count
> min_curl_sessions
) {
1201 curl_easy_cleanup(slot
->curl
);
1203 curl_session_count
--;
1209 void step_active_slots(void)
1212 CURLMcode curlm_result
;
1215 curlm_result
= curl_multi_perform(curlm
, &num_transfers
);
1216 } while (curlm_result
== CURLM_CALL_MULTI_PERFORM
);
1217 if (num_transfers
< active_requests
) {
1218 process_curl_messages();
1219 fill_active_slots();
1224 void run_active_slot(struct active_request_slot
*slot
)
1226 #ifdef USE_CURL_MULTI
1231 struct timeval select_timeout
;
1234 slot
->finished
= &finished
;
1236 step_active_slots();
1239 #if LIBCURL_VERSION_NUM >= 0x070f04
1241 curl_multi_timeout(curlm
, &curl_timeout
);
1242 if (curl_timeout
== 0) {
1244 } else if (curl_timeout
== -1) {
1245 select_timeout
.tv_sec
= 0;
1246 select_timeout
.tv_usec
= 50000;
1248 select_timeout
.tv_sec
= curl_timeout
/ 1000;
1249 select_timeout
.tv_usec
= (curl_timeout
% 1000) * 1000;
1252 select_timeout
.tv_sec
= 0;
1253 select_timeout
.tv_usec
= 50000;
1260 curl_multi_fdset(curlm
, &readfds
, &writefds
, &excfds
, &max_fd
);
1263 * It can happen that curl_multi_timeout returns a pathologically
1264 * long timeout when curl_multi_fdset returns no file descriptors
1265 * to read. See commit message for more details.
1268 (select_timeout
.tv_sec
> 0 ||
1269 select_timeout
.tv_usec
> 50000)) {
1270 select_timeout
.tv_sec
= 0;
1271 select_timeout
.tv_usec
= 50000;
1274 select(max_fd
+1, &readfds
, &writefds
, &excfds
, &select_timeout
);
1278 while (slot
->in_use
) {
1279 slot
->curl_result
= curl_easy_perform(slot
->curl
);
1280 finish_active_slot(slot
);
1285 static void release_active_slot(struct active_request_slot
*slot
)
1287 closedown_active_slot(slot
);
1289 xmulti_remove_handle(slot
);
1290 if (curl_session_count
> min_curl_sessions
) {
1291 curl_easy_cleanup(slot
->curl
);
1293 curl_session_count
--;
1296 #ifdef USE_CURL_MULTI
1297 fill_active_slots();
1301 void finish_all_active_slots(void)
1303 struct active_request_slot
*slot
= active_queue_head
;
1305 while (slot
!= NULL
)
1307 run_active_slot(slot
);
1308 slot
= active_queue_head
;
1314 /* Helpers for modifying and creating URLs */
1315 static inline int needs_quote(int ch
)
1317 if (((ch
>= 'A') && (ch
<= 'Z'))
1318 || ((ch
>= 'a') && (ch
<= 'z'))
1319 || ((ch
>= '0') && (ch
<= '9'))
1327 static char *quote_ref_url(const char *base
, const char *ref
)
1329 struct strbuf buf
= STRBUF_INIT
;
1333 end_url_with_slash(&buf
, base
);
1335 for (cp
= ref
; (ch
= *cp
) != 0; cp
++)
1336 if (needs_quote(ch
))
1337 strbuf_addf(&buf
, "%%%02x", ch
);
1339 strbuf_addch(&buf
, *cp
);
1341 return strbuf_detach(&buf
, NULL
);
1344 void append_remote_object_url(struct strbuf
*buf
, const char *url
,
1346 int only_two_digit_prefix
)
1348 end_url_with_slash(buf
, url
);
1350 strbuf_addf(buf
, "objects/%.*s/", 2, hex
);
1351 if (!only_two_digit_prefix
)
1352 strbuf_addstr(buf
, hex
+ 2);
1355 char *get_remote_object_url(const char *url
, const char *hex
,
1356 int only_two_digit_prefix
)
1358 struct strbuf buf
= STRBUF_INIT
;
1359 append_remote_object_url(&buf
, url
, hex
, only_two_digit_prefix
);
1360 return strbuf_detach(&buf
, NULL
);
1363 static int handle_curl_result(struct slot_results
*results
)
1366 * If we see a failing http code with CURLE_OK, we have turned off
1367 * FAILONERROR (to keep the server's custom error response), and should
1368 * translate the code into failure here.
1370 * Likewise, if we see a redirect (30x code), that means we turned off
1371 * redirect-following, and we should treat the result as an error.
1373 if (results
->curl_result
== CURLE_OK
&&
1374 results
->http_code
>= 300) {
1375 results
->curl_result
= CURLE_HTTP_RETURNED_ERROR
;
1377 * Normally curl will already have put the "reason phrase"
1378 * from the server into curl_errorstr; unfortunately without
1379 * FAILONERROR it is lost, so we can give only the numeric
1382 xsnprintf(curl_errorstr
, sizeof(curl_errorstr
),
1383 "The requested URL returned error: %ld",
1384 results
->http_code
);
1387 if (results
->curl_result
== CURLE_OK
) {
1388 credential_approve(&http_auth
);
1389 if (proxy_auth
.password
)
1390 credential_approve(&proxy_auth
);
1392 } else if (missing_target(results
))
1393 return HTTP_MISSING_TARGET
;
1394 else if (results
->http_code
== 401) {
1395 if (http_auth
.username
&& http_auth
.password
) {
1396 credential_reject(&http_auth
);
1399 #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
1400 http_auth_methods
&= ~CURLAUTH_GSSNEGOTIATE
;
1401 if (results
->auth_avail
) {
1402 http_auth_methods
&= results
->auth_avail
;
1403 http_auth_methods_restricted
= 1;
1409 if (results
->http_connectcode
== 407)
1410 credential_reject(&proxy_auth
);
1411 #if LIBCURL_VERSION_NUM >= 0x070c00
1412 if (!curl_errorstr
[0])
1413 strlcpy(curl_errorstr
,
1414 curl_easy_strerror(results
->curl_result
),
1415 sizeof(curl_errorstr
));
1421 int run_one_slot(struct active_request_slot
*slot
,
1422 struct slot_results
*results
)
1424 slot
->results
= results
;
1425 if (!start_active_slot(slot
)) {
1426 xsnprintf(curl_errorstr
, sizeof(curl_errorstr
),
1427 "failed to start HTTP request");
1428 return HTTP_START_FAILED
;
1431 run_active_slot(slot
);
1432 return handle_curl_result(results
);
1435 struct curl_slist
*http_copy_default_headers(void)
1437 struct curl_slist
*headers
= NULL
, *h
;
1439 for (h
= extra_http_headers
; h
; h
= h
->next
)
1440 headers
= curl_slist_append(headers
, h
->data
);
1445 static CURLcode
curlinfo_strbuf(CURL
*curl
, CURLINFO info
, struct strbuf
*buf
)
1451 ret
= curl_easy_getinfo(curl
, info
, &ptr
);
1453 strbuf_addstr(buf
, ptr
);
1458 * Check for and extract a content-type parameter. "raw"
1459 * should be positioned at the start of the potential
1460 * parameter, with any whitespace already removed.
1462 * "name" is the name of the parameter. The value is appended
1465 static int extract_param(const char *raw
, const char *name
,
1468 size_t len
= strlen(name
);
1470 if (strncasecmp(raw
, name
, len
))
1478 while (*raw
&& !isspace(*raw
) && *raw
!= ';')
1479 strbuf_addch(out
, *raw
++);
1484 * Extract a normalized version of the content type, with any
1485 * spaces suppressed, all letters lowercased, and no trailing ";"
1488 * Note that we will silently remove even invalid whitespace. For
1489 * example, "text / plain" is specifically forbidden by RFC 2616,
1490 * but "text/plain" is the only reasonable output, and this keeps
1493 * If the "charset" argument is not NULL, store the value of any
1494 * charset parameter there.
1497 * "TEXT/PLAIN; charset=utf-8" -> "text/plain", "utf-8"
1498 * "text / plain" -> "text/plain"
1500 static void extract_content_type(struct strbuf
*raw
, struct strbuf
*type
,
1501 struct strbuf
*charset
)
1506 strbuf_grow(type
, raw
->len
);
1507 for (p
= raw
->buf
; *p
; p
++) {
1514 strbuf_addch(type
, tolower(*p
));
1520 strbuf_reset(charset
);
1522 while (isspace(*p
) || *p
== ';')
1524 if (!extract_param(p
, "charset", charset
))
1526 while (*p
&& !isspace(*p
))
1530 if (!charset
->len
&& starts_with(type
->buf
, "text/"))
1531 strbuf_addstr(charset
, "ISO-8859-1");
1534 static void write_accept_language(struct strbuf
*buf
)
1537 * MAX_DECIMAL_PLACES must not be larger than 3. If it is larger than
1538 * that, q-value will be smaller than 0.001, the minimum q-value the
1539 * HTTP specification allows. See
1540 * http://tools.ietf.org/html/rfc7231#section-5.3.1 for q-value.
1542 const int MAX_DECIMAL_PLACES
= 3;
1543 const int MAX_LANGUAGE_TAGS
= 1000;
1544 const int MAX_ACCEPT_LANGUAGE_HEADER_SIZE
= 4000;
1545 char **language_tags
= NULL
;
1547 const char *s
= get_preferred_languages();
1549 struct strbuf tag
= STRBUF_INIT
;
1551 /* Don't add Accept-Language header if no language is preferred. */
1556 * Split the colon-separated string of preferred languages into
1557 * language_tags array.
1560 /* collect language tag */
1561 for (; *s
&& (isalnum(*s
) || *s
== '_'); s
++)
1562 strbuf_addch(&tag
, *s
== '_' ? '-' : *s
);
1564 /* skip .codeset, @modifier and any other unnecessary parts */
1565 while (*s
&& *s
!= ':')
1570 REALLOC_ARRAY(language_tags
, num_langs
);
1571 language_tags
[num_langs
- 1] = strbuf_detach(&tag
, NULL
);
1572 if (num_langs
>= MAX_LANGUAGE_TAGS
- 1) /* -1 for '*' */
1577 /* write Accept-Language header into buf */
1579 int last_buf_len
= 0;
1585 REALLOC_ARRAY(language_tags
, num_langs
+ 1);
1586 language_tags
[num_langs
++] = "*"; /* it's OK; this won't be freed */
1588 /* compute decimal_places */
1589 for (max_q
= 1, decimal_places
= 0;
1590 max_q
< num_langs
&& decimal_places
<= MAX_DECIMAL_PLACES
;
1591 decimal_places
++, max_q
*= 10)
1594 xsnprintf(q_format
, sizeof(q_format
), ";q=0.%%0%dd", decimal_places
);
1596 strbuf_addstr(buf
, "Accept-Language: ");
1598 for (i
= 0; i
< num_langs
; i
++) {
1600 strbuf_addstr(buf
, ", ");
1602 strbuf_addstr(buf
, language_tags
[i
]);
1605 strbuf_addf(buf
, q_format
, max_q
- i
);
1607 if (buf
->len
> MAX_ACCEPT_LANGUAGE_HEADER_SIZE
) {
1608 strbuf_remove(buf
, last_buf_len
, buf
->len
- last_buf_len
);
1612 last_buf_len
= buf
->len
;
1616 /* free language tags -- last one is a static '*' */
1617 for (i
= 0; i
< num_langs
- 1; i
++)
1618 free(language_tags
[i
]);
1619 free(language_tags
);
1623 * Get an Accept-Language header which indicates user's preferred languages.
1627 * LANGUAGE=ko:en -> "Accept-Language: ko, en; q=0.9, *; q=0.1"
1628 * LANGUAGE=ko_KR.UTF-8:sr@latin -> "Accept-Language: ko-KR, sr; q=0.9, *; q=0.1"
1629 * LANGUAGE=ko LANG=en_US.UTF-8 -> "Accept-Language: ko, *; q=0.1"
1630 * LANGUAGE= LANG=en_US.UTF-8 -> "Accept-Language: en-US, *; q=0.1"
1631 * LANGUAGE= LANG=C -> ""
1633 static const char *get_accept_language(void)
1635 if (!cached_accept_language
) {
1636 struct strbuf buf
= STRBUF_INIT
;
1637 write_accept_language(&buf
);
1639 cached_accept_language
= strbuf_detach(&buf
, NULL
);
1642 return cached_accept_language
;
1645 static void http_opt_request_remainder(CURL
*curl
, off_t pos
)
1648 xsnprintf(buf
, sizeof(buf
), "%"PRIuMAX
"-", (uintmax_t)pos
);
1649 curl_easy_setopt(curl
, CURLOPT_RANGE
, buf
);
1652 /* http_request() targets */
1653 #define HTTP_REQUEST_STRBUF 0
1654 #define HTTP_REQUEST_FILE 1
1656 static int http_request(const char *url
,
1657 void *result
, int target
,
1658 const struct http_get_options
*options
)
1660 struct active_request_slot
*slot
;
1661 struct slot_results results
;
1662 struct curl_slist
*headers
= http_copy_default_headers();
1663 struct strbuf buf
= STRBUF_INIT
;
1664 const char *accept_language
;
1667 slot
= get_active_slot();
1668 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
1670 if (result
== NULL
) {
1671 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 1);
1673 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 0);
1674 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, result
);
1676 if (target
== HTTP_REQUEST_FILE
) {
1677 off_t posn
= ftello(result
);
1678 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
,
1681 http_opt_request_remainder(slot
->curl
, posn
);
1683 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
,
1687 accept_language
= get_accept_language();
1689 if (accept_language
)
1690 headers
= curl_slist_append(headers
, accept_language
);
1692 strbuf_addstr(&buf
, "Pragma:");
1693 if (options
&& options
->no_cache
)
1694 strbuf_addstr(&buf
, " no-cache");
1695 if (options
&& options
->keep_error
)
1696 curl_easy_setopt(slot
->curl
, CURLOPT_FAILONERROR
, 0);
1697 if (options
&& options
->initial_request
&&
1698 http_follow_config
== HTTP_FOLLOW_INITIAL
)
1699 curl_easy_setopt(slot
->curl
, CURLOPT_FOLLOWLOCATION
, 1);
1701 headers
= curl_slist_append(headers
, buf
.buf
);
1703 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
1704 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, headers
);
1705 curl_easy_setopt(slot
->curl
, CURLOPT_ENCODING
, "gzip");
1707 ret
= run_one_slot(slot
, &results
);
1709 if (options
&& options
->content_type
) {
1710 struct strbuf raw
= STRBUF_INIT
;
1711 curlinfo_strbuf(slot
->curl
, CURLINFO_CONTENT_TYPE
, &raw
);
1712 extract_content_type(&raw
, options
->content_type
,
1714 strbuf_release(&raw
);
1717 if (options
&& options
->effective_url
)
1718 curlinfo_strbuf(slot
->curl
, CURLINFO_EFFECTIVE_URL
,
1719 options
->effective_url
);
1721 curl_slist_free_all(headers
);
1722 strbuf_release(&buf
);
1728 * Update the "base" url to a more appropriate value, as deduced by
1729 * redirects seen when requesting a URL starting with "url".
1731 * The "asked" parameter is a URL that we asked curl to access, and must begin
1734 * The "got" parameter is the URL that curl reported to us as where we ended
1737 * Returns 1 if we updated the base url, 0 otherwise.
1739 * Our basic strategy is to compare "base" and "asked" to find the bits
1740 * specific to our request. We then strip those bits off of "got" to yield the
1741 * new base. So for example, if our base is "http://example.com/foo.git",
1742 * and we ask for "http://example.com/foo.git/info/refs", we might end up
1743 * with "https://other.example.com/foo.git/info/refs". We would want the
1744 * new URL to become "https://other.example.com/foo.git".
1746 * Note that this assumes a sane redirect scheme. It's entirely possible
1747 * in the example above to end up at a URL that does not even end in
1748 * "info/refs". In such a case we die. There's not much we can do, such a
1749 * scheme is unlikely to represent a real git repository, and failing to
1750 * rewrite the base opens options for malicious redirects to do funny things.
1752 static int update_url_from_redirect(struct strbuf
*base
,
1754 const struct strbuf
*got
)
1759 if (!strcmp(asked
, got
->buf
))
1762 if (!skip_prefix(asked
, base
->buf
, &tail
))
1763 die("BUG: update_url_from_redirect: %s is not a superset of %s",
1767 if (!strip_suffix_mem(got
->buf
, &new_len
, tail
))
1768 die(_("unable to update url base from redirection:\n"
1774 strbuf_add(base
, got
->buf
, new_len
);
1779 static int http_request_reauth(const char *url
,
1780 void *result
, int target
,
1781 struct http_get_options
*options
)
1783 int ret
= http_request(url
, result
, target
, options
);
1785 if (ret
!= HTTP_OK
&& ret
!= HTTP_REAUTH
)
1788 if (options
&& options
->effective_url
&& options
->base_url
) {
1789 if (update_url_from_redirect(options
->base_url
,
1790 url
, options
->effective_url
)) {
1791 credential_from_url(&http_auth
, options
->base_url
->buf
);
1792 url
= options
->effective_url
->buf
;
1796 if (ret
!= HTTP_REAUTH
)
1800 * If we are using KEEP_ERROR, the previous request may have
1801 * put cruft into our output stream; we should clear it out before
1802 * making our next request. We only know how to do this for
1803 * the strbuf case, but that is enough to satisfy current callers.
1805 if (options
&& options
->keep_error
) {
1807 case HTTP_REQUEST_STRBUF
:
1808 strbuf_reset(result
);
1811 die("BUG: HTTP_KEEP_ERROR is only supported with strbufs");
1815 credential_fill(&http_auth
);
1817 return http_request(url
, result
, target
, options
);
1820 int http_get_strbuf(const char *url
,
1821 struct strbuf
*result
,
1822 struct http_get_options
*options
)
1824 return http_request_reauth(url
, result
, HTTP_REQUEST_STRBUF
, options
);
1828 * Downloads a URL and stores the result in the given file.
1830 * If a previous interrupted download is detected (i.e. a previous temporary
1831 * file is still around) the download is resumed.
1833 static int http_get_file(const char *url
, const char *filename
,
1834 struct http_get_options
*options
)
1837 struct strbuf tmpfile
= STRBUF_INIT
;
1840 strbuf_addf(&tmpfile
, "%s.temp", filename
);
1841 result
= fopen(tmpfile
.buf
, "a");
1843 error("Unable to open local file %s", tmpfile
.buf
);
1848 ret
= http_request_reauth(url
, result
, HTTP_REQUEST_FILE
, options
);
1851 if (ret
== HTTP_OK
&& finalize_object_file(tmpfile
.buf
, filename
))
1854 strbuf_release(&tmpfile
);
1858 int http_fetch_ref(const char *base
, struct ref
*ref
)
1860 struct http_get_options options
= {0};
1862 struct strbuf buffer
= STRBUF_INIT
;
1865 options
.no_cache
= 1;
1867 url
= quote_ref_url(base
, ref
->name
);
1868 if (http_get_strbuf(url
, &buffer
, &options
) == HTTP_OK
) {
1869 strbuf_rtrim(&buffer
);
1870 if (buffer
.len
== 40)
1871 ret
= get_oid_hex(buffer
.buf
, &ref
->old_oid
);
1872 else if (starts_with(buffer
.buf
, "ref: ")) {
1873 ref
->symref
= xstrdup(buffer
.buf
+ 5);
1878 strbuf_release(&buffer
);
1883 /* Helpers for fetching packs */
1884 static char *fetch_pack_index(unsigned char *sha1
, const char *base_url
)
1887 struct strbuf buf
= STRBUF_INIT
;
1889 if (http_is_verbose
)
1890 fprintf(stderr
, "Getting index for pack %s\n", sha1_to_hex(sha1
));
1892 end_url_with_slash(&buf
, base_url
);
1893 strbuf_addf(&buf
, "objects/pack/pack-%s.idx", sha1_to_hex(sha1
));
1894 url
= strbuf_detach(&buf
, NULL
);
1896 strbuf_addf(&buf
, "%s.temp", sha1_pack_index_name(sha1
));
1897 tmp
= strbuf_detach(&buf
, NULL
);
1899 if (http_get_file(url
, tmp
, NULL
) != HTTP_OK
) {
1900 error("Unable to get pack index %s", url
);
1908 static int fetch_and_setup_pack_index(struct packed_git
**packs_head
,
1909 unsigned char *sha1
, const char *base_url
)
1911 struct packed_git
*new_pack
;
1912 char *tmp_idx
= NULL
;
1915 if (has_pack_index(sha1
)) {
1916 new_pack
= parse_pack_index(sha1
, sha1_pack_index_name(sha1
));
1918 return -1; /* parse_pack_index() already issued error message */
1922 tmp_idx
= fetch_pack_index(sha1
, base_url
);
1926 new_pack
= parse_pack_index(sha1
, tmp_idx
);
1931 return -1; /* parse_pack_index() already issued error message */
1934 ret
= verify_pack_index(new_pack
);
1936 close_pack_index(new_pack
);
1937 ret
= finalize_object_file(tmp_idx
, sha1_pack_index_name(sha1
));
1944 new_pack
->next
= *packs_head
;
1945 *packs_head
= new_pack
;
1949 int http_get_info_packs(const char *base_url
, struct packed_git
**packs_head
)
1951 struct http_get_options options
= {0};
1954 struct strbuf buf
= STRBUF_INIT
;
1955 unsigned char sha1
[20];
1957 end_url_with_slash(&buf
, base_url
);
1958 strbuf_addstr(&buf
, "objects/info/packs");
1959 url
= strbuf_detach(&buf
, NULL
);
1961 options
.no_cache
= 1;
1962 ret
= http_get_strbuf(url
, &buf
, &options
);
1967 while (i
< buf
.len
) {
1971 if (i
+ 52 <= buf
.len
&&
1972 starts_with(data
+ i
, " pack-") &&
1973 starts_with(data
+ i
+ 46, ".pack\n")) {
1974 get_sha1_hex(data
+ i
+ 6, sha1
);
1975 fetch_and_setup_pack_index(packs_head
, sha1
,
1981 while (i
< buf
.len
&& data
[i
] != '\n')
1992 void release_http_pack_request(struct http_pack_request
*preq
)
1994 if (preq
->packfile
!= NULL
) {
1995 fclose(preq
->packfile
);
1996 preq
->packfile
= NULL
;
2003 int finish_http_pack_request(struct http_pack_request
*preq
)
2005 struct packed_git
**lst
;
2006 struct packed_git
*p
= preq
->target
;
2009 struct child_process ip
= CHILD_PROCESS_INIT
;
2010 const char *ip_argv
[8];
2012 close_pack_index(p
);
2014 fclose(preq
->packfile
);
2015 preq
->packfile
= NULL
;
2019 lst
= &((*lst
)->next
);
2020 *lst
= (*lst
)->next
;
2022 if (!strip_suffix(preq
->tmpfile
, ".pack.temp", &len
))
2023 die("BUG: pack tmpfile does not end in .pack.temp?");
2024 tmp_idx
= xstrfmt("%.*s.idx.temp", (int)len
, preq
->tmpfile
);
2026 ip_argv
[0] = "index-pack";
2028 ip_argv
[2] = tmp_idx
;
2029 ip_argv
[3] = preq
->tmpfile
;
2037 if (run_command(&ip
)) {
2038 unlink(preq
->tmpfile
);
2044 unlink(sha1_pack_index_name(p
->sha1
));
2046 if (finalize_object_file(preq
->tmpfile
, sha1_pack_name(p
->sha1
))
2047 || finalize_object_file(tmp_idx
, sha1_pack_index_name(p
->sha1
))) {
2052 install_packed_git(p
);
2057 struct http_pack_request
*new_http_pack_request(
2058 struct packed_git
*target
, const char *base_url
)
2060 off_t prev_posn
= 0;
2061 struct strbuf buf
= STRBUF_INIT
;
2062 struct http_pack_request
*preq
;
2064 preq
= xcalloc(1, sizeof(*preq
));
2065 preq
->target
= target
;
2067 end_url_with_slash(&buf
, base_url
);
2068 strbuf_addf(&buf
, "objects/pack/pack-%s.pack",
2069 sha1_to_hex(target
->sha1
));
2070 preq
->url
= strbuf_detach(&buf
, NULL
);
2072 snprintf(preq
->tmpfile
, sizeof(preq
->tmpfile
), "%s.temp",
2073 sha1_pack_name(target
->sha1
));
2074 preq
->packfile
= fopen(preq
->tmpfile
, "a");
2075 if (!preq
->packfile
) {
2076 error("Unable to open local file %s for pack",
2081 preq
->slot
= get_active_slot();
2082 curl_easy_setopt(preq
->slot
->curl
, CURLOPT_FILE
, preq
->packfile
);
2083 curl_easy_setopt(preq
->slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite
);
2084 curl_easy_setopt(preq
->slot
->curl
, CURLOPT_URL
, preq
->url
);
2085 curl_easy_setopt(preq
->slot
->curl
, CURLOPT_HTTPHEADER
,
2089 * If there is data present from a previous transfer attempt,
2090 * resume where it left off
2092 prev_posn
= ftello(preq
->packfile
);
2094 if (http_is_verbose
)
2096 "Resuming fetch of pack %s at byte %"PRIuMAX
"\n",
2097 sha1_to_hex(target
->sha1
), (uintmax_t)prev_posn
);
2098 http_opt_request_remainder(preq
->slot
->curl
, prev_posn
);
2109 /* Helpers for fetching objects (loose) */
2110 static size_t fwrite_sha1_file(char *ptr
, size_t eltsize
, size_t nmemb
,
2113 unsigned char expn
[4096];
2114 size_t size
= eltsize
* nmemb
;
2116 struct http_object_request
*freq
= data
;
2117 struct active_request_slot
*slot
= freq
->slot
;
2120 CURLcode c
= curl_easy_getinfo(slot
->curl
, CURLINFO_HTTP_CODE
,
2123 die("BUG: curl_easy_getinfo for HTTP code failed: %s",
2124 curl_easy_strerror(c
));
2125 if (slot
->http_code
>= 300)
2130 ssize_t retval
= xwrite(freq
->localfile
,
2131 (char *) ptr
+ posn
, size
- posn
);
2135 } while (posn
< size
);
2137 freq
->stream
.avail_in
= size
;
2138 freq
->stream
.next_in
= (void *)ptr
;
2140 freq
->stream
.next_out
= expn
;
2141 freq
->stream
.avail_out
= sizeof(expn
);
2142 freq
->zret
= git_inflate(&freq
->stream
, Z_SYNC_FLUSH
);
2143 git_SHA1_Update(&freq
->c
, expn
,
2144 sizeof(expn
) - freq
->stream
.avail_out
);
2145 } while (freq
->stream
.avail_in
&& freq
->zret
== Z_OK
);
2149 struct http_object_request
*new_http_object_request(const char *base_url
,
2150 unsigned char *sha1
)
2152 char *hex
= sha1_to_hex(sha1
);
2153 const char *filename
;
2154 char prevfile
[PATH_MAX
];
2156 char prev_buf
[PREV_BUF_SIZE
];
2157 ssize_t prev_read
= 0;
2158 off_t prev_posn
= 0;
2159 struct http_object_request
*freq
;
2161 freq
= xcalloc(1, sizeof(*freq
));
2162 hashcpy(freq
->sha1
, sha1
);
2163 freq
->localfile
= -1;
2165 filename
= sha1_file_name(sha1
);
2166 snprintf(freq
->tmpfile
, sizeof(freq
->tmpfile
),
2167 "%s.temp", filename
);
2169 snprintf(prevfile
, sizeof(prevfile
), "%s.prev", filename
);
2170 unlink_or_warn(prevfile
);
2171 rename(freq
->tmpfile
, prevfile
);
2172 unlink_or_warn(freq
->tmpfile
);
2174 if (freq
->localfile
!= -1)
2175 error("fd leakage in start: %d", freq
->localfile
);
2176 freq
->localfile
= open(freq
->tmpfile
,
2177 O_WRONLY
| O_CREAT
| O_EXCL
, 0666);
2179 * This could have failed due to the "lazy directory creation";
2180 * try to mkdir the last path component.
2182 if (freq
->localfile
< 0 && errno
== ENOENT
) {
2183 char *dir
= strrchr(freq
->tmpfile
, '/');
2186 mkdir(freq
->tmpfile
, 0777);
2189 freq
->localfile
= open(freq
->tmpfile
,
2190 O_WRONLY
| O_CREAT
| O_EXCL
, 0666);
2193 if (freq
->localfile
< 0) {
2194 error_errno("Couldn't create temporary file %s", freq
->tmpfile
);
2198 git_inflate_init(&freq
->stream
);
2200 git_SHA1_Init(&freq
->c
);
2202 freq
->url
= get_remote_object_url(base_url
, hex
, 0);
2205 * If a previous temp file is present, process what was already
2208 prevlocal
= open(prevfile
, O_RDONLY
);
2209 if (prevlocal
!= -1) {
2211 prev_read
= xread(prevlocal
, prev_buf
, PREV_BUF_SIZE
);
2213 if (fwrite_sha1_file(prev_buf
,
2216 freq
) == prev_read
) {
2217 prev_posn
+= prev_read
;
2222 } while (prev_read
> 0);
2225 unlink_or_warn(prevfile
);
2228 * Reset inflate/SHA1 if there was an error reading the previous temp
2229 * file; also rewind to the beginning of the local file.
2231 if (prev_read
== -1) {
2232 memset(&freq
->stream
, 0, sizeof(freq
->stream
));
2233 git_inflate_init(&freq
->stream
);
2234 git_SHA1_Init(&freq
->c
);
2237 lseek(freq
->localfile
, 0, SEEK_SET
);
2238 if (ftruncate(freq
->localfile
, 0) < 0) {
2239 error_errno("Couldn't truncate temporary file %s",
2246 freq
->slot
= get_active_slot();
2248 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_FILE
, freq
);
2249 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_FAILONERROR
, 0);
2250 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_sha1_file
);
2251 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_ERRORBUFFER
, freq
->errorstr
);
2252 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_URL
, freq
->url
);
2253 curl_easy_setopt(freq
->slot
->curl
, CURLOPT_HTTPHEADER
, no_pragma_header
);
2256 * If we have successfully processed data from a previous fetch
2257 * attempt, only fetch the data we don't already have.
2260 if (http_is_verbose
)
2262 "Resuming fetch of object %s at byte %"PRIuMAX
"\n",
2263 hex
, (uintmax_t)prev_posn
);
2264 http_opt_request_remainder(freq
->slot
->curl
, prev_posn
);
2275 void process_http_object_request(struct http_object_request
*freq
)
2277 if (freq
->slot
== NULL
)
2279 freq
->curl_result
= freq
->slot
->curl_result
;
2280 freq
->http_code
= freq
->slot
->http_code
;
2284 int finish_http_object_request(struct http_object_request
*freq
)
2288 close(freq
->localfile
);
2289 freq
->localfile
= -1;
2291 process_http_object_request(freq
);
2293 if (freq
->http_code
== 416) {
2294 warning("requested range invalid; we may already have all the data.");
2295 } else if (freq
->curl_result
!= CURLE_OK
) {
2296 if (stat(freq
->tmpfile
, &st
) == 0)
2297 if (st
.st_size
== 0)
2298 unlink_or_warn(freq
->tmpfile
);
2302 git_inflate_end(&freq
->stream
);
2303 git_SHA1_Final(freq
->real_sha1
, &freq
->c
);
2304 if (freq
->zret
!= Z_STREAM_END
) {
2305 unlink_or_warn(freq
->tmpfile
);
2308 if (hashcmp(freq
->sha1
, freq
->real_sha1
)) {
2309 unlink_or_warn(freq
->tmpfile
);
2313 finalize_object_file(freq
->tmpfile
, sha1_file_name(freq
->sha1
));
2315 return freq
->rename
;
2318 void abort_http_object_request(struct http_object_request
*freq
)
2320 unlink_or_warn(freq
->tmpfile
);
2322 release_http_object_request(freq
);
2325 void release_http_object_request(struct http_object_request
*freq
)
2327 if (freq
->localfile
!= -1) {
2328 close(freq
->localfile
);
2329 freq
->localfile
= -1;
2331 if (freq
->url
!= NULL
) {
2332 FREE_AND_NULL(freq
->url
);
2334 if (freq
->slot
!= NULL
) {
2335 freq
->slot
->callback_func
= NULL
;
2336 freq
->slot
->callback_data
= NULL
;
2337 release_active_slot(freq
->slot
);