diff options
Diffstat (limited to 'http.c')
| -rw-r--r-- | http.c | 199 |
1 files changed, 167 insertions, 32 deletions
@@ -8,6 +8,7 @@ #include "credential.h" #include "version.h" #include "pkt-line.h" +#include "gettext.h" int active_requests; int http_is_verbose; @@ -35,6 +36,7 @@ char curl_errorstr[CURL_ERROR_SIZE]; static int curl_ssl_verify = -1; static int curl_ssl_try; static const char *ssl_cert; +static const char *ssl_cipherlist; #if LIBCURL_VERSION_NUM >= 0x070903 static const char *ssl_key; #endif @@ -71,6 +73,8 @@ static struct curl_slist *no_pragma_header; static struct active_request_slot *active_queue_head; +static char *cached_accept_language; + size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_) { size_t size = eltsize * nmemb; @@ -117,6 +121,37 @@ size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf) return eltsize * nmemb; } +static void closedown_active_slot(struct active_request_slot *slot) +{ + active_requests--; + slot->in_use = 0; +} + +static void finish_active_slot(struct active_request_slot *slot) +{ + closedown_active_slot(slot); + curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code); + + if (slot->finished != NULL) + (*slot->finished) = 1; + + /* Store slot results so they can be read after the slot is reused */ + if (slot->results != NULL) { + slot->results->curl_result = slot->curl_result; + slot->results->http_code = slot->http_code; +#if LIBCURL_VERSION_NUM >= 0x070a08 + curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL, + &slot->results->auth_avail); +#else + slot->results->auth_avail = 0; +#endif + } + + /* Run callback if appropriate */ + if (slot->callback_func != NULL) + slot->callback_func(slot->callback_data); +} + #ifdef USE_CURL_MULTI static void process_curl_messages(void) { @@ -153,6 +188,8 @@ static int http_options(const char *var, const char *value, void *cb) curl_ssl_verify = git_config_bool(var, value); return 0; } + if (!strcmp("http.sslcipherlist", var)) + return git_config_string(&ssl_cipherlist, var, value); if (!strcmp("http.sslcert", var)) return git_config_string(&ssl_cert, var, value); #if LIBCURL_VERSION_NUM >= 0x070903 @@ -327,6 +364,13 @@ static CURL *get_curl_handle(void) if (http_proactive_auth) init_curl_http_auth(result); + if (getenv("GIT_SSL_CIPHER_LIST")) + ssl_cipherlist = getenv("GIT_SSL_CIPHER_LIST"); + + if (ssl_cipherlist != NULL && *ssl_cipherlist) + curl_easy_setopt(result, CURLOPT_SSL_CIPHER_LIST, + ssl_cipherlist); + if (ssl_cert != NULL) curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); if (has_cert_password()) @@ -372,7 +416,9 @@ static CURL *get_curl_handle(void) if (curl_http_proxy) { curl_easy_setopt(result, CURLOPT_PROXY, curl_http_proxy); +#if LIBCURL_VERSION_NUM >= 0x070a07 curl_easy_setopt(result, CURLOPT_PROXYAUTH, CURLAUTH_ANY); +#endif } set_curl_keepalive(result); @@ -518,6 +564,9 @@ void http_cleanup(void) cert_auth.password = NULL; } ssl_cert_password_required = 0; + + free(cached_accept_language); + cached_accept_language = NULL; } struct active_request_slot *get_active_slot(void) @@ -736,12 +785,6 @@ void run_active_slot(struct active_request_slot *slot) #endif } -static void closedown_active_slot(struct active_request_slot *slot) -{ - active_requests--; - slot->in_use = 0; -} - static void release_active_slot(struct active_request_slot *slot) { closedown_active_slot(slot); @@ -758,31 +801,6 @@ static void release_active_slot(struct active_request_slot *slot) #endif } -void finish_active_slot(struct active_request_slot *slot) -{ - closedown_active_slot(slot); - curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code); - - if (slot->finished != NULL) - (*slot->finished) = 1; - - /* Store slot results so they can be read after the slot is reused */ - if (slot->results != NULL) { - slot->results->curl_result = slot->curl_result; - slot->results->http_code = slot->http_code; -#if LIBCURL_VERSION_NUM >= 0x070a08 - curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL, - &slot->results->auth_avail); -#else - slot->results->auth_avail = 0; -#endif - } - - /* Run callback if appropriate */ - if (slot->callback_func != NULL) - slot->callback_func(slot->callback_data); -} - void finish_all_active_slots(void) { struct active_request_slot *slot = active_queue_head; @@ -845,7 +863,7 @@ char *get_remote_object_url(const char *url, const char *hex, return strbuf_detach(&buf, NULL); } -int handle_curl_result(struct slot_results *results) +static int handle_curl_result(struct slot_results *results) { /* * If we see a failing http code with CURLE_OK, we have turned off @@ -995,6 +1013,116 @@ static void extract_content_type(struct strbuf *raw, struct strbuf *type, strbuf_addstr(charset, "ISO-8859-1"); } +static void write_accept_language(struct strbuf *buf) +{ + /* + * MAX_DECIMAL_PLACES must not be larger than 3. If it is larger than + * that, q-value will be smaller than 0.001, the minimum q-value the + * HTTP specification allows. See + * http://tools.ietf.org/html/rfc7231#section-5.3.1 for q-value. + */ + const int MAX_DECIMAL_PLACES = 3; + const int MAX_LANGUAGE_TAGS = 1000; + const int MAX_ACCEPT_LANGUAGE_HEADER_SIZE = 4000; + char **language_tags = NULL; + int num_langs = 0; + const char *s = get_preferred_languages(); + int i; + struct strbuf tag = STRBUF_INIT; + + /* Don't add Accept-Language header if no language is preferred. */ + if (!s) + return; + + /* + * Split the colon-separated string of preferred languages into + * language_tags array. + */ + do { + /* collect language tag */ + for (; *s && (isalnum(*s) || *s == '_'); s++) + strbuf_addch(&tag, *s == '_' ? '-' : *s); + + /* skip .codeset, @modifier and any other unnecessary parts */ + while (*s && *s != ':') + s++; + + if (tag.len) { + num_langs++; + REALLOC_ARRAY(language_tags, num_langs); + language_tags[num_langs - 1] = strbuf_detach(&tag, NULL); + if (num_langs >= MAX_LANGUAGE_TAGS - 1) /* -1 for '*' */ + break; + } + } while (*s++); + + /* write Accept-Language header into buf */ + if (num_langs) { + int last_buf_len = 0; + int max_q; + int decimal_places; + char q_format[32]; + + /* add '*' */ + REALLOC_ARRAY(language_tags, num_langs + 1); + language_tags[num_langs++] = "*"; /* it's OK; this won't be freed */ + + /* compute decimal_places */ + for (max_q = 1, decimal_places = 0; + max_q < num_langs && decimal_places <= MAX_DECIMAL_PLACES; + decimal_places++, max_q *= 10) + ; + + sprintf(q_format, ";q=0.%%0%dd", decimal_places); + + strbuf_addstr(buf, "Accept-Language: "); + + for (i = 0; i < num_langs; i++) { + if (i > 0) + strbuf_addstr(buf, ", "); + + strbuf_addstr(buf, language_tags[i]); + + if (i > 0) + strbuf_addf(buf, q_format, max_q - i); + + if (buf->len > MAX_ACCEPT_LANGUAGE_HEADER_SIZE) { + strbuf_remove(buf, last_buf_len, buf->len - last_buf_len); + break; + } + + last_buf_len = buf->len; + } + } + + /* free language tags -- last one is a static '*' */ + for (i = 0; i < num_langs - 1; i++) + free(language_tags[i]); + free(language_tags); +} + +/* + * Get an Accept-Language header which indicates user's preferred languages. + * + * Examples: + * LANGUAGE= -> "" + * LANGUAGE=ko:en -> "Accept-Language: ko, en; q=0.9, *; q=0.1" + * LANGUAGE=ko_KR.UTF-8:sr@latin -> "Accept-Language: ko-KR, sr; q=0.9, *; q=0.1" + * LANGUAGE=ko LANG=en_US.UTF-8 -> "Accept-Language: ko, *; q=0.1" + * LANGUAGE= LANG=en_US.UTF-8 -> "Accept-Language: en-US, *; q=0.1" + * LANGUAGE= LANG=C -> "" + */ +static const char *get_accept_language(void) +{ + if (!cached_accept_language) { + struct strbuf buf = STRBUF_INIT; + write_accept_language(&buf); + if (buf.len > 0) + cached_accept_language = strbuf_detach(&buf, NULL); + } + + return cached_accept_language; +} /* http_request() targets */ #define HTTP_REQUEST_STRBUF 0 @@ -1008,6 +1136,7 @@ static int http_request(const char *url, struct slot_results results; struct curl_slist *headers = NULL; struct strbuf buf = STRBUF_INIT; + const char *accept_language; int ret; slot = get_active_slot(); @@ -1033,6 +1162,11 @@ static int http_request(const char *url, fwrite_buffer); } + accept_language = get_accept_language(); + + if (accept_language) + headers = curl_slist_append(headers, accept_language); + strbuf_addstr(&buf, "Pragma:"); if (options && options->no_cache) strbuf_addstr(&buf, " no-cache"); @@ -1338,6 +1472,7 @@ void release_http_pack_request(struct http_pack_request *preq) } preq->slot = NULL; free(preq->url); + free(preq); } int finish_http_pack_request(struct http_pack_request *preq) |