Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 1 | #include "http.h" |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 2 | #include "pack.h" |
Shawn O. Pearce | de1a2fd | 2009-10-30 17:47:41 -0700 | [diff] [blame] | 3 | #include "sideband.h" |
Shawn O. Pearce | fe72d42 | 2010-04-19 07:23:09 -0700 | [diff] [blame] | 4 | #include "run-command.h" |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 5 | |
| 6 | int data_received; |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 7 | int active_requests; |
Tay Ray Chuan | e917674 | 2009-06-06 16:43:41 +0800 | [diff] [blame] | 8 | int http_is_verbose; |
Shawn O. Pearce | de1a2fd | 2009-10-30 17:47:41 -0700 | [diff] [blame] | 9 | size_t http_post_buffer = 16 * LARGE_PACKET_MAX; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 10 | |
Martin Storsjö | b8ac923 | 2009-11-27 23:43:08 +0800 | [diff] [blame] | 11 | #if LIBCURL_VERSION_NUM >= 0x070a06 |
| 12 | #define LIBCURL_CAN_HANDLE_AUTH_ANY |
| 13 | #endif |
| 14 | |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 15 | static int min_curl_sessions = 1; |
| 16 | static int curl_session_count; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 17 | #ifdef USE_CURL_MULTI |
Mike Hommey | cc3530e | 2007-12-09 18:04:57 +0100 | [diff] [blame] | 18 | static int max_requests = -1; |
| 19 | static CURLM *curlm; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 20 | #endif |
| 21 | #ifndef NO_CURL_EASY_DUPHANDLE |
Mike Hommey | cc3530e | 2007-12-09 18:04:57 +0100 | [diff] [blame] | 22 | static CURL *curl_default; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 23 | #endif |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 24 | |
| 25 | #define PREV_BUF_SIZE 4096 |
| 26 | #define RANGE_HEADER_SIZE 30 |
| 27 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 28 | char curl_errorstr[CURL_ERROR_SIZE]; |
| 29 | |
Mike Hommey | cc3530e | 2007-12-09 18:04:57 +0100 | [diff] [blame] | 30 | static int curl_ssl_verify = -1; |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 31 | static const char *ssl_cert; |
Mark Lodato | ef52aaf | 2009-06-14 22:39:00 -0400 | [diff] [blame] | 32 | #if LIBCURL_VERSION_NUM >= 0x070903 |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 33 | static const char *ssl_key; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 34 | #endif |
| 35 | #if LIBCURL_VERSION_NUM >= 0x070908 |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 36 | static const char *ssl_capath; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 37 | #endif |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 38 | static const char *ssl_cainfo; |
Mike Hommey | cc3530e | 2007-12-09 18:04:57 +0100 | [diff] [blame] | 39 | static long curl_low_speed_limit = -1; |
| 40 | static long curl_low_speed_time = -1; |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 41 | static int curl_ftp_no_epsv; |
| 42 | static const char *curl_http_proxy; |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 43 | static char *user_name, *user_pass; |
Spencer E. Olson | b1d1058 | 2010-08-11 14:40:38 -0600 | [diff] [blame] | 44 | static const char *user_agent; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 45 | |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 46 | #if LIBCURL_VERSION_NUM >= 0x071700 |
| 47 | /* Use CURLOPT_KEYPASSWD as is */ |
| 48 | #elif LIBCURL_VERSION_NUM >= 0x070903 |
| 49 | #define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD |
| 50 | #else |
| 51 | #define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD |
| 52 | #endif |
| 53 | |
| 54 | static char *ssl_cert_password; |
| 55 | static int ssl_cert_password_required; |
| 56 | |
Mike Hommey | cc3530e | 2007-12-09 18:04:57 +0100 | [diff] [blame] | 57 | static struct curl_slist *pragma_header; |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 58 | static struct curl_slist *no_pragma_header; |
Tay Ray Chuan | e917674 | 2009-06-06 16:43:41 +0800 | [diff] [blame] | 59 | |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 60 | static struct active_request_slot *active_queue_head; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 61 | |
Junio C Hamano | f444e52 | 2008-07-04 00:37:40 -0700 | [diff] [blame] | 62 | size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *buffer_) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 63 | { |
| 64 | size_t size = eltsize * nmemb; |
Junio C Hamano | f444e52 | 2008-07-04 00:37:40 -0700 | [diff] [blame] | 65 | struct buffer *buffer = buffer_; |
| 66 | |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 67 | if (size > buffer->buf.len - buffer->posn) |
| 68 | size = buffer->buf.len - buffer->posn; |
| 69 | memcpy(ptr, buffer->buf.buf + buffer->posn, size); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 70 | buffer->posn += size; |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 71 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 72 | return size; |
| 73 | } |
| 74 | |
Martin Storsjö | 3944ba0 | 2009-04-01 19:48:24 +0300 | [diff] [blame] | 75 | #ifndef NO_CURL_IOCTL |
| 76 | curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp) |
| 77 | { |
| 78 | struct buffer *buffer = clientp; |
| 79 | |
| 80 | switch (cmd) { |
| 81 | case CURLIOCMD_NOP: |
| 82 | return CURLIOE_OK; |
| 83 | |
| 84 | case CURLIOCMD_RESTARTREAD: |
| 85 | buffer->posn = 0; |
| 86 | return CURLIOE_OK; |
| 87 | |
| 88 | default: |
| 89 | return CURLIOE_UNKNOWNCMD; |
| 90 | } |
| 91 | } |
| 92 | #endif |
| 93 | |
Junio C Hamano | f444e52 | 2008-07-04 00:37:40 -0700 | [diff] [blame] | 94 | size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *buffer_) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 95 | { |
| 96 | size_t size = eltsize * nmemb; |
Junio C Hamano | f444e52 | 2008-07-04 00:37:40 -0700 | [diff] [blame] | 97 | struct strbuf *buffer = buffer_; |
| 98 | |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 99 | strbuf_add(buffer, ptr, size); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 100 | data_received++; |
| 101 | return size; |
| 102 | } |
| 103 | |
Junio C Hamano | f444e52 | 2008-07-04 00:37:40 -0700 | [diff] [blame] | 104 | size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 105 | { |
| 106 | data_received++; |
| 107 | return eltsize * nmemb; |
| 108 | } |
| 109 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 110 | #ifdef USE_CURL_MULTI |
| 111 | static void process_curl_messages(void) |
| 112 | { |
| 113 | int num_messages; |
| 114 | struct active_request_slot *slot; |
| 115 | CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages); |
| 116 | |
| 117 | while (curl_message != NULL) { |
| 118 | if (curl_message->msg == CURLMSG_DONE) { |
| 119 | int curl_result = curl_message->data.result; |
| 120 | slot = active_queue_head; |
| 121 | while (slot != NULL && |
| 122 | slot->curl != curl_message->easy_handle) |
| 123 | slot = slot->next; |
| 124 | if (slot != NULL) { |
| 125 | curl_multi_remove_handle(curlm, slot->curl); |
| 126 | slot->curl_result = curl_result; |
| 127 | finish_active_slot(slot); |
| 128 | } else { |
| 129 | fprintf(stderr, "Received DONE message for unknown request!\n"); |
| 130 | } |
| 131 | } else { |
| 132 | fprintf(stderr, "Unknown CURL message received: %d\n", |
| 133 | (int)curl_message->msg); |
| 134 | } |
| 135 | curl_message = curl_multi_info_read(curlm, &num_messages); |
| 136 | } |
| 137 | } |
| 138 | #endif |
| 139 | |
Johannes Schindelin | ef90d6d | 2008-05-14 18:46:53 +0100 | [diff] [blame] | 140 | static int http_options(const char *var, const char *value, void *cb) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 141 | { |
| 142 | if (!strcmp("http.sslverify", var)) { |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 143 | curl_ssl_verify = git_config_bool(var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 144 | return 0; |
| 145 | } |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 146 | if (!strcmp("http.sslcert", var)) |
| 147 | return git_config_string(&ssl_cert, var, value); |
Mark Lodato | ef52aaf | 2009-06-14 22:39:00 -0400 | [diff] [blame] | 148 | #if LIBCURL_VERSION_NUM >= 0x070903 |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 149 | if (!strcmp("http.sslkey", var)) |
| 150 | return git_config_string(&ssl_key, var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 151 | #endif |
| 152 | #if LIBCURL_VERSION_NUM >= 0x070908 |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 153 | if (!strcmp("http.sslcapath", var)) |
| 154 | return git_config_string(&ssl_capath, var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 155 | #endif |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 156 | if (!strcmp("http.sslcainfo", var)) |
| 157 | return git_config_string(&ssl_cainfo, var, value); |
Mark Lodato | 754ae19 | 2009-05-27 23:16:03 -0400 | [diff] [blame] | 158 | if (!strcmp("http.sslcertpasswordprotected", var)) { |
| 159 | if (git_config_bool(var, value)) |
| 160 | ssl_cert_password_required = 1; |
| 161 | return 0; |
| 162 | } |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 163 | if (!strcmp("http.minsessions", var)) { |
| 164 | min_curl_sessions = git_config_int(var, value); |
| 165 | #ifndef USE_CURL_MULTI |
| 166 | if (min_curl_sessions > 1) |
| 167 | min_curl_sessions = 1; |
| 168 | #endif |
| 169 | return 0; |
| 170 | } |
Junio C Hamano | a6080a0 | 2007-06-07 00:04:01 -0700 | [diff] [blame] | 171 | #ifdef USE_CURL_MULTI |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 172 | if (!strcmp("http.maxrequests", var)) { |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 173 | max_requests = git_config_int(var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 174 | return 0; |
| 175 | } |
| 176 | #endif |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 177 | if (!strcmp("http.lowspeedlimit", var)) { |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 178 | curl_low_speed_limit = (long)git_config_int(var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 179 | return 0; |
| 180 | } |
| 181 | if (!strcmp("http.lowspeedtime", var)) { |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 182 | curl_low_speed_time = (long)git_config_int(var, value); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 183 | return 0; |
| 184 | } |
| 185 | |
Sasha Khapyorsky | 3ea099d | 2006-09-29 03:10:44 +0300 | [diff] [blame] | 186 | if (!strcmp("http.noepsv", var)) { |
| 187 | curl_ftp_no_epsv = git_config_bool(var, value); |
| 188 | return 0; |
| 189 | } |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 190 | if (!strcmp("http.proxy", var)) |
| 191 | return git_config_string(&curl_http_proxy, var, value); |
Sasha Khapyorsky | 3ea099d | 2006-09-29 03:10:44 +0300 | [diff] [blame] | 192 | |
Shawn O. Pearce | de1a2fd | 2009-10-30 17:47:41 -0700 | [diff] [blame] | 193 | if (!strcmp("http.postbuffer", var)) { |
| 194 | http_post_buffer = git_config_int(var, value); |
| 195 | if (http_post_buffer < LARGE_PACKET_MAX) |
| 196 | http_post_buffer = LARGE_PACKET_MAX; |
| 197 | return 0; |
| 198 | } |
| 199 | |
Spencer E. Olson | b1d1058 | 2010-08-11 14:40:38 -0600 | [diff] [blame] | 200 | if (!strcmp("http.useragent", var)) |
| 201 | return git_config_string(&user_agent, var, value); |
| 202 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 203 | /* Fall back on the default ones */ |
Johannes Schindelin | ef90d6d | 2008-05-14 18:46:53 +0100 | [diff] [blame] | 204 | return git_default_config(var, value, cb); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 205 | } |
| 206 | |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 207 | static void init_curl_http_auth(CURL *result) |
| 208 | { |
Junio C Hamano | 750d930 | 2009-03-12 22:34:43 -0700 | [diff] [blame] | 209 | if (user_name) { |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 210 | struct strbuf up = STRBUF_INIT; |
| 211 | if (!user_pass) |
Frank Li | f206063 | 2010-03-04 20:59:50 +0100 | [diff] [blame] | 212 | user_pass = xstrdup(git_getpass("Password: ")); |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 213 | strbuf_addf(&up, "%s:%s", user_name, user_pass); |
| 214 | curl_easy_setopt(result, CURLOPT_USERPWD, |
| 215 | strbuf_detach(&up, NULL)); |
| 216 | } |
| 217 | } |
| 218 | |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 219 | static int has_cert_password(void) |
| 220 | { |
| 221 | if (ssl_cert_password != NULL) |
| 222 | return 1; |
| 223 | if (ssl_cert == NULL || ssl_cert_password_required != 1) |
| 224 | return 0; |
| 225 | /* Only prompt the user once. */ |
| 226 | ssl_cert_password_required = -1; |
Frank Li | f206063 | 2010-03-04 20:59:50 +0100 | [diff] [blame] | 227 | ssl_cert_password = git_getpass("Certificate Password: "); |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 228 | if (ssl_cert_password != NULL) { |
| 229 | ssl_cert_password = xstrdup(ssl_cert_password); |
| 230 | return 1; |
| 231 | } else |
| 232 | return 0; |
| 233 | } |
| 234 | |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 235 | static CURL *get_curl_handle(void) |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 236 | { |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 237 | CURL *result = curl_easy_init(); |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 238 | |
Junio C Hamano | a5ccc59 | 2008-02-21 15:10:37 -0800 | [diff] [blame] | 239 | if (!curl_ssl_verify) { |
| 240 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, 0); |
| 241 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 0); |
| 242 | } else { |
| 243 | /* Verify authenticity of the peer's certificate */ |
| 244 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, 1); |
| 245 | /* The name in the cert must match whom we tried to connect */ |
| 246 | curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 2); |
| 247 | } |
| 248 | |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 249 | #if LIBCURL_VERSION_NUM >= 0x070907 |
| 250 | curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL); |
| 251 | #endif |
Martin Storsjö | b8ac923 | 2009-11-27 23:43:08 +0800 | [diff] [blame] | 252 | #ifdef LIBCURL_CAN_HANDLE_AUTH_ANY |
Junio C Hamano | 525ecd2 | 2009-12-28 10:04:24 -0800 | [diff] [blame] | 253 | curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY); |
Martin Storsjö | b8ac923 | 2009-11-27 23:43:08 +0800 | [diff] [blame] | 254 | #endif |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 255 | |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 256 | init_curl_http_auth(result); |
| 257 | |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 258 | if (ssl_cert != NULL) |
| 259 | curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert); |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 260 | if (has_cert_password()) |
| 261 | curl_easy_setopt(result, CURLOPT_KEYPASSWD, ssl_cert_password); |
Mark Lodato | ef52aaf | 2009-06-14 22:39:00 -0400 | [diff] [blame] | 262 | #if LIBCURL_VERSION_NUM >= 0x070903 |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 263 | if (ssl_key != NULL) |
| 264 | curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key); |
| 265 | #endif |
| 266 | #if LIBCURL_VERSION_NUM >= 0x070908 |
| 267 | if (ssl_capath != NULL) |
| 268 | curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath); |
| 269 | #endif |
| 270 | if (ssl_cainfo != NULL) |
| 271 | curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo); |
| 272 | curl_easy_setopt(result, CURLOPT_FAILONERROR, 1); |
| 273 | |
| 274 | if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) { |
| 275 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT, |
| 276 | curl_low_speed_limit); |
| 277 | curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME, |
| 278 | curl_low_speed_time); |
| 279 | } |
| 280 | |
| 281 | curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1); |
| 282 | |
Mark Wooding | 7982d74 | 2006-02-01 11:44:37 +0000 | [diff] [blame] | 283 | if (getenv("GIT_CURL_VERBOSE")) |
| 284 | curl_easy_setopt(result, CURLOPT_VERBOSE, 1); |
| 285 | |
Spencer E. Olson | b1d1058 | 2010-08-11 14:40:38 -0600 | [diff] [blame] | 286 | curl_easy_setopt(result, CURLOPT_USERAGENT, |
| 287 | user_agent ? user_agent : GIT_HTTP_USER_AGENT); |
Nick Hengeveld | 20fc9bc | 2006-04-04 10:11:29 -0700 | [diff] [blame] | 288 | |
Sasha Khapyorsky | 3ea099d | 2006-09-29 03:10:44 +0300 | [diff] [blame] | 289 | if (curl_ftp_no_epsv) |
| 290 | curl_easy_setopt(result, CURLOPT_FTP_USE_EPSV, 0); |
| 291 | |
Sam Vilain | 9c5665a | 2007-11-23 13:07:00 +1300 | [diff] [blame] | 292 | if (curl_http_proxy) |
| 293 | curl_easy_setopt(result, CURLOPT_PROXY, curl_http_proxy); |
| 294 | |
Junio C Hamano | 11979b9 | 2005-11-18 17:06:46 -0800 | [diff] [blame] | 295 | return result; |
| 296 | } |
| 297 | |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 298 | static void http_auth_init(const char *url) |
| 299 | { |
| 300 | char *at, *colon, *cp, *slash; |
| 301 | int len; |
| 302 | |
| 303 | cp = strstr(url, "://"); |
| 304 | if (!cp) |
| 305 | return; |
| 306 | |
| 307 | /* |
| 308 | * Ok, the URL looks like "proto://something". Which one? |
| 309 | * "proto://<user>:<pass>@<host>/...", |
| 310 | * "proto://<user>@<host>/...", or just |
| 311 | * "proto://<host>/..."? |
| 312 | */ |
| 313 | cp += 3; |
| 314 | at = strchr(cp, '@'); |
| 315 | colon = strchr(cp, ':'); |
| 316 | slash = strchrnul(cp, '/'); |
| 317 | if (!at || slash <= at) |
| 318 | return; /* No credentials */ |
| 319 | if (!colon || at <= colon) { |
| 320 | /* Only username */ |
| 321 | len = at - cp; |
| 322 | user_name = xmalloc(len + 1); |
| 323 | memcpy(user_name, cp, len); |
| 324 | user_name[len] = '\0'; |
| 325 | user_pass = NULL; |
| 326 | } else { |
| 327 | len = colon - cp; |
| 328 | user_name = xmalloc(len + 1); |
| 329 | memcpy(user_name, cp, len); |
| 330 | user_name[len] = '\0'; |
| 331 | len = at - (colon + 1); |
| 332 | user_pass = xmalloc(len + 1); |
| 333 | memcpy(user_pass, colon + 1, len); |
| 334 | user_pass[len] = '\0'; |
| 335 | } |
| 336 | } |
| 337 | |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 338 | static void set_from_env(const char **var, const char *envname) |
| 339 | { |
| 340 | const char *val = getenv(envname); |
| 341 | if (val) |
| 342 | *var = val; |
| 343 | } |
| 344 | |
Mike Hommey | 9fc6440 | 2008-02-27 21:35:50 +0100 | [diff] [blame] | 345 | void http_init(struct remote *remote) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 346 | { |
| 347 | char *low_speed_limit; |
| 348 | char *low_speed_time; |
| 349 | |
Tay Ray Chuan | e917674 | 2009-06-06 16:43:41 +0800 | [diff] [blame] | 350 | http_is_verbose = 0; |
| 351 | |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 352 | git_config(http_options, NULL); |
| 353 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 354 | curl_global_init(CURL_GLOBAL_ALL); |
| 355 | |
Mike Hommey | 9fc6440 | 2008-02-27 21:35:50 +0100 | [diff] [blame] | 356 | if (remote && remote->http_proxy) |
| 357 | curl_http_proxy = xstrdup(remote->http_proxy); |
| 358 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 359 | pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache"); |
Tay Ray Chuan | e917674 | 2009-06-06 16:43:41 +0800 | [diff] [blame] | 360 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 361 | |
| 362 | #ifdef USE_CURL_MULTI |
| 363 | { |
| 364 | char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS"); |
| 365 | if (http_max_requests != NULL) |
| 366 | max_requests = atoi(http_max_requests); |
| 367 | } |
| 368 | |
| 369 | curlm = curl_multi_init(); |
| 370 | if (curlm == NULL) { |
| 371 | fprintf(stderr, "Error creating curl multi handle.\n"); |
| 372 | exit(1); |
| 373 | } |
| 374 | #endif |
| 375 | |
| 376 | if (getenv("GIT_SSL_NO_VERIFY")) |
| 377 | curl_ssl_verify = 0; |
| 378 | |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 379 | set_from_env(&ssl_cert, "GIT_SSL_CERT"); |
Mark Lodato | ef52aaf | 2009-06-14 22:39:00 -0400 | [diff] [blame] | 380 | #if LIBCURL_VERSION_NUM >= 0x070903 |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 381 | set_from_env(&ssl_key, "GIT_SSL_KEY"); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 382 | #endif |
| 383 | #if LIBCURL_VERSION_NUM >= 0x070908 |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 384 | set_from_env(&ssl_capath, "GIT_SSL_CAPATH"); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 385 | #endif |
Junio C Hamano | 7059cd9 | 2009-03-09 19:00:30 -0700 | [diff] [blame] | 386 | set_from_env(&ssl_cainfo, "GIT_SSL_CAINFO"); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 387 | |
Spencer E. Olson | b1d1058 | 2010-08-11 14:40:38 -0600 | [diff] [blame] | 388 | set_from_env(&user_agent, "GIT_HTTP_USER_AGENT"); |
| 389 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 390 | low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT"); |
| 391 | if (low_speed_limit != NULL) |
| 392 | curl_low_speed_limit = strtol(low_speed_limit, NULL, 10); |
| 393 | low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME"); |
| 394 | if (low_speed_time != NULL) |
| 395 | curl_low_speed_time = strtol(low_speed_time, NULL, 10); |
| 396 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 397 | if (curl_ssl_verify == -1) |
| 398 | curl_ssl_verify = 1; |
| 399 | |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 400 | curl_session_count = 0; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 401 | #ifdef USE_CURL_MULTI |
| 402 | if (max_requests < 1) |
| 403 | max_requests = DEFAULT_MAX_REQUESTS; |
| 404 | #endif |
| 405 | |
Sasha Khapyorsky | 3ea099d | 2006-09-29 03:10:44 +0300 | [diff] [blame] | 406 | if (getenv("GIT_CURL_FTP_NO_EPSV")) |
| 407 | curl_ftp_no_epsv = 1; |
| 408 | |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 409 | if (remote && remote->url && remote->url[0]) { |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 410 | http_auth_init(remote->url[0]); |
Mark Lodato | 754ae19 | 2009-05-27 23:16:03 -0400 | [diff] [blame] | 411 | if (!ssl_cert_password_required && |
| 412 | getenv("GIT_SSL_CERT_PASSWORD_PROTECTED") && |
| 413 | !prefixcmp(remote->url[0], "https://")) |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 414 | ssl_cert_password_required = 1; |
| 415 | } |
Junio C Hamano | c33976c | 2009-03-09 23:34:25 -0700 | [diff] [blame] | 416 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 417 | #ifndef NO_CURL_EASY_DUPHANDLE |
| 418 | curl_default = get_curl_handle(); |
| 419 | #endif |
| 420 | } |
| 421 | |
| 422 | void http_cleanup(void) |
| 423 | { |
| 424 | struct active_request_slot *slot = active_queue_head; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 425 | |
| 426 | while (slot != NULL) { |
Shawn O. Pearce | 3278cd0 | 2007-09-15 03:23:00 -0400 | [diff] [blame] | 427 | struct active_request_slot *next = slot->next; |
Mike Hommey | f23d1f7 | 2008-03-03 20:30:16 +0100 | [diff] [blame] | 428 | if (slot->curl != NULL) { |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 429 | #ifdef USE_CURL_MULTI |
Mike Hommey | f23d1f7 | 2008-03-03 20:30:16 +0100 | [diff] [blame] | 430 | curl_multi_remove_handle(curlm, slot->curl); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 431 | #endif |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 432 | curl_easy_cleanup(slot->curl); |
Mike Hommey | f23d1f7 | 2008-03-03 20:30:16 +0100 | [diff] [blame] | 433 | } |
Shawn O. Pearce | 3278cd0 | 2007-09-15 03:23:00 -0400 | [diff] [blame] | 434 | free(slot); |
| 435 | slot = next; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 436 | } |
Shawn O. Pearce | 3278cd0 | 2007-09-15 03:23:00 -0400 | [diff] [blame] | 437 | active_queue_head = NULL; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 438 | |
| 439 | #ifndef NO_CURL_EASY_DUPHANDLE |
| 440 | curl_easy_cleanup(curl_default); |
| 441 | #endif |
| 442 | |
| 443 | #ifdef USE_CURL_MULTI |
| 444 | curl_multi_cleanup(curlm); |
| 445 | #endif |
| 446 | curl_global_cleanup(); |
Nick Hengeveld | b3ca4e4e | 2006-06-06 09:41:32 -0700 | [diff] [blame] | 447 | |
| 448 | curl_slist_free_all(pragma_header); |
Shawn O. Pearce | 3278cd0 | 2007-09-15 03:23:00 -0400 | [diff] [blame] | 449 | pragma_header = NULL; |
Mike Hommey | 9fc6440 | 2008-02-27 21:35:50 +0100 | [diff] [blame] | 450 | |
Tay Ray Chuan | e917674 | 2009-06-06 16:43:41 +0800 | [diff] [blame] | 451 | curl_slist_free_all(no_pragma_header); |
| 452 | no_pragma_header = NULL; |
| 453 | |
Mike Hommey | 9fc6440 | 2008-02-27 21:35:50 +0100 | [diff] [blame] | 454 | if (curl_http_proxy) { |
Miklos Vajna | e4a80ec | 2008-12-07 01:45:37 +0100 | [diff] [blame] | 455 | free((void *)curl_http_proxy); |
Mike Hommey | 9fc6440 | 2008-02-27 21:35:50 +0100 | [diff] [blame] | 456 | curl_http_proxy = NULL; |
| 457 | } |
Mark Lodato | 30dd916 | 2009-05-27 23:16:02 -0400 | [diff] [blame] | 458 | |
| 459 | if (ssl_cert_password != NULL) { |
| 460 | memset(ssl_cert_password, 0, strlen(ssl_cert_password)); |
| 461 | free(ssl_cert_password); |
| 462 | ssl_cert_password = NULL; |
| 463 | } |
| 464 | ssl_cert_password_required = 0; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 465 | } |
| 466 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 467 | struct active_request_slot *get_active_slot(void) |
| 468 | { |
| 469 | struct active_request_slot *slot = active_queue_head; |
| 470 | struct active_request_slot *newslot; |
| 471 | |
| 472 | #ifdef USE_CURL_MULTI |
| 473 | int num_transfers; |
| 474 | |
| 475 | /* Wait for a slot to open up if the queue is full */ |
| 476 | while (active_requests >= max_requests) { |
| 477 | curl_multi_perform(curlm, &num_transfers); |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 478 | if (num_transfers < active_requests) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 479 | process_curl_messages(); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 480 | } |
| 481 | #endif |
| 482 | |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 483 | while (slot != NULL && slot->in_use) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 484 | slot = slot->next; |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 485 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 486 | if (slot == NULL) { |
| 487 | newslot = xmalloc(sizeof(*newslot)); |
| 488 | newslot->curl = NULL; |
| 489 | newslot->in_use = 0; |
| 490 | newslot->next = NULL; |
| 491 | |
| 492 | slot = active_queue_head; |
| 493 | if (slot == NULL) { |
| 494 | active_queue_head = newslot; |
| 495 | } else { |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 496 | while (slot->next != NULL) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 497 | slot = slot->next; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 498 | slot->next = newslot; |
| 499 | } |
| 500 | slot = newslot; |
| 501 | } |
| 502 | |
| 503 | if (slot->curl == NULL) { |
| 504 | #ifdef NO_CURL_EASY_DUPHANDLE |
| 505 | slot->curl = get_curl_handle(); |
| 506 | #else |
| 507 | slot->curl = curl_easy_duphandle(curl_default); |
| 508 | #endif |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 509 | curl_session_count++; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | active_requests++; |
| 513 | slot->in_use = 1; |
| 514 | slot->local = NULL; |
Nick Hengeveld | c8568e1 | 2006-01-31 11:06:55 -0800 | [diff] [blame] | 515 | slot->results = NULL; |
Nick Hengeveld | baa7b67 | 2006-03-10 20:18:01 -0800 | [diff] [blame] | 516 | slot->finished = NULL; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 517 | slot->callback_data = NULL; |
| 518 | slot->callback_func = NULL; |
| 519 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 520 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr); |
Nick Hengeveld | 9094950 | 2006-05-31 16:25:03 -0700 | [diff] [blame] | 521 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, NULL); |
| 522 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL); |
| 523 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, NULL); |
| 524 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0); |
| 525 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 526 | |
| 527 | return slot; |
| 528 | } |
| 529 | |
| 530 | int start_active_slot(struct active_request_slot *slot) |
| 531 | { |
| 532 | #ifdef USE_CURL_MULTI |
| 533 | CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl); |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 534 | int num_transfers; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 535 | |
| 536 | if (curlm_result != CURLM_OK && |
| 537 | curlm_result != CURLM_CALL_MULTI_PERFORM) { |
| 538 | active_requests--; |
| 539 | slot->in_use = 0; |
| 540 | return 0; |
| 541 | } |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 542 | |
| 543 | /* |
| 544 | * We know there must be something to do, since we just added |
| 545 | * something. |
| 546 | */ |
| 547 | curl_multi_perform(curlm, &num_transfers); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 548 | #endif |
| 549 | return 1; |
| 550 | } |
| 551 | |
| 552 | #ifdef USE_CURL_MULTI |
Daniel Barkalow | fc57b6a | 2007-09-10 23:02:34 -0400 | [diff] [blame] | 553 | struct fill_chain { |
| 554 | void *data; |
| 555 | int (*fill)(void *); |
| 556 | struct fill_chain *next; |
| 557 | }; |
| 558 | |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 559 | static struct fill_chain *fill_cfg; |
Daniel Barkalow | fc57b6a | 2007-09-10 23:02:34 -0400 | [diff] [blame] | 560 | |
| 561 | void add_fill_function(void *data, int (*fill)(void *)) |
| 562 | { |
Dotan Barak | e8eec71 | 2008-09-09 21:57:10 +0300 | [diff] [blame] | 563 | struct fill_chain *new = xmalloc(sizeof(*new)); |
Daniel Barkalow | fc57b6a | 2007-09-10 23:02:34 -0400 | [diff] [blame] | 564 | struct fill_chain **linkp = &fill_cfg; |
| 565 | new->data = data; |
| 566 | new->fill = fill; |
| 567 | new->next = NULL; |
| 568 | while (*linkp) |
| 569 | linkp = &(*linkp)->next; |
| 570 | *linkp = new; |
| 571 | } |
| 572 | |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 573 | void fill_active_slots(void) |
| 574 | { |
| 575 | struct active_request_slot *slot = active_queue_head; |
| 576 | |
Daniel Barkalow | fc57b6a | 2007-09-10 23:02:34 -0400 | [diff] [blame] | 577 | while (active_requests < max_requests) { |
| 578 | struct fill_chain *fill; |
| 579 | for (fill = fill_cfg; fill; fill = fill->next) |
| 580 | if (fill->fill(fill->data)) |
| 581 | break; |
| 582 | |
| 583 | if (!fill) |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 584 | break; |
Daniel Barkalow | fc57b6a | 2007-09-10 23:02:34 -0400 | [diff] [blame] | 585 | } |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 586 | |
| 587 | while (slot != NULL) { |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 588 | if (!slot->in_use && slot->curl != NULL |
| 589 | && curl_session_count > min_curl_sessions) { |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 590 | curl_easy_cleanup(slot->curl); |
| 591 | slot->curl = NULL; |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 592 | curl_session_count--; |
Daniel Barkalow | 45c1741 | 2007-09-10 23:02:28 -0400 | [diff] [blame] | 593 | } |
| 594 | slot = slot->next; |
| 595 | } |
| 596 | } |
| 597 | |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 598 | void step_active_slots(void) |
| 599 | { |
| 600 | int num_transfers; |
| 601 | CURLMcode curlm_result; |
| 602 | |
| 603 | do { |
| 604 | curlm_result = curl_multi_perform(curlm, &num_transfers); |
| 605 | } while (curlm_result == CURLM_CALL_MULTI_PERFORM); |
| 606 | if (num_transfers < active_requests) { |
| 607 | process_curl_messages(); |
| 608 | fill_active_slots(); |
| 609 | } |
| 610 | } |
| 611 | #endif |
| 612 | |
| 613 | void run_active_slot(struct active_request_slot *slot) |
| 614 | { |
| 615 | #ifdef USE_CURL_MULTI |
| 616 | long last_pos = 0; |
| 617 | long current_pos; |
| 618 | fd_set readfds; |
| 619 | fd_set writefds; |
| 620 | fd_set excfds; |
| 621 | int max_fd; |
| 622 | struct timeval select_timeout; |
Nick Hengeveld | baa7b67 | 2006-03-10 20:18:01 -0800 | [diff] [blame] | 623 | int finished = 0; |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 624 | |
Nick Hengeveld | baa7b67 | 2006-03-10 20:18:01 -0800 | [diff] [blame] | 625 | slot->finished = &finished; |
| 626 | while (!finished) { |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 627 | data_received = 0; |
| 628 | step_active_slots(); |
| 629 | |
| 630 | if (!data_received && slot->local != NULL) { |
| 631 | current_pos = ftell(slot->local); |
| 632 | if (current_pos > last_pos) |
| 633 | data_received++; |
| 634 | last_pos = current_pos; |
| 635 | } |
| 636 | |
| 637 | if (slot->in_use && !data_received) { |
| 638 | max_fd = 0; |
| 639 | FD_ZERO(&readfds); |
| 640 | FD_ZERO(&writefds); |
| 641 | FD_ZERO(&excfds); |
| 642 | select_timeout.tv_sec = 0; |
| 643 | select_timeout.tv_usec = 50000; |
| 644 | select(max_fd, &readfds, &writefds, |
| 645 | &excfds, &select_timeout); |
| 646 | } |
| 647 | } |
| 648 | #else |
| 649 | while (slot->in_use) { |
| 650 | slot->curl_result = curl_easy_perform(slot->curl); |
| 651 | finish_active_slot(slot); |
| 652 | } |
| 653 | #endif |
| 654 | } |
| 655 | |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 656 | static void closedown_active_slot(struct active_request_slot *slot) |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 657 | { |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 658 | active_requests--; |
| 659 | slot->in_use = 0; |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 660 | } |
| 661 | |
Junio C Hamano | 83e41e2 | 2010-01-11 22:26:08 -0800 | [diff] [blame] | 662 | static void release_active_slot(struct active_request_slot *slot) |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 663 | { |
| 664 | closedown_active_slot(slot); |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 665 | if (slot->curl && curl_session_count > min_curl_sessions) { |
Nick Hengeveld | b3ca4e4e | 2006-06-06 09:41:32 -0700 | [diff] [blame] | 666 | #ifdef USE_CURL_MULTI |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 667 | curl_multi_remove_handle(curlm, slot->curl); |
Nick Hengeveld | b3ca4e4e | 2006-06-06 09:41:32 -0700 | [diff] [blame] | 668 | #endif |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 669 | curl_easy_cleanup(slot->curl); |
| 670 | slot->curl = NULL; |
Tay Ray Chuan | ad75ebe | 2009-11-27 23:42:26 +0800 | [diff] [blame] | 671 | curl_session_count--; |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 672 | } |
Nick Hengeveld | b3ca4e4e | 2006-06-06 09:41:32 -0700 | [diff] [blame] | 673 | #ifdef USE_CURL_MULTI |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 674 | fill_active_slots(); |
Nick Hengeveld | b3ca4e4e | 2006-06-06 09:41:32 -0700 | [diff] [blame] | 675 | #endif |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 676 | } |
| 677 | |
Shawn O. Pearce | de1a2fd | 2009-10-30 17:47:41 -0700 | [diff] [blame] | 678 | void finish_active_slot(struct active_request_slot *slot) |
Mark Wooding | 53f3138 | 2006-02-07 10:07:39 +0000 | [diff] [blame] | 679 | { |
| 680 | closedown_active_slot(slot); |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 681 | curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code); |
Nick Hengeveld | c8568e1 | 2006-01-31 11:06:55 -0800 | [diff] [blame] | 682 | |
Nick Hengeveld | baa7b67 | 2006-03-10 20:18:01 -0800 | [diff] [blame] | 683 | if (slot->finished != NULL) |
| 684 | (*slot->finished) = 1; |
| 685 | |
Nick Hengeveld | c8568e1 | 2006-01-31 11:06:55 -0800 | [diff] [blame] | 686 | /* Store slot results so they can be read after the slot is reused */ |
| 687 | if (slot->results != NULL) { |
| 688 | slot->results->curl_result = slot->curl_result; |
| 689 | slot->results->http_code = slot->http_code; |
| 690 | } |
| 691 | |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 692 | /* Run callback if appropriate */ |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 693 | if (slot->callback_func != NULL) |
Mike Hommey | 028c297 | 2007-12-09 20:30:59 +0100 | [diff] [blame] | 694 | slot->callback_func(slot->callback_data); |
Nick Hengeveld | 29508e1 | 2005-11-18 11:02:58 -0800 | [diff] [blame] | 695 | } |
| 696 | |
| 697 | void finish_all_active_slots(void) |
| 698 | { |
| 699 | struct active_request_slot *slot = active_queue_head; |
| 700 | |
| 701 | while (slot != NULL) |
| 702 | if (slot->in_use) { |
| 703 | run_active_slot(slot); |
| 704 | slot = active_queue_head; |
| 705 | } else { |
| 706 | slot = slot->next; |
| 707 | } |
| 708 | } |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 709 | |
Tay Ray Chuan | 5ace994 | 2009-06-06 16:43:43 +0800 | [diff] [blame] | 710 | /* Helpers for modifying and creating URLs */ |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 711 | static inline int needs_quote(int ch) |
| 712 | { |
| 713 | if (((ch >= 'A') && (ch <= 'Z')) |
| 714 | || ((ch >= 'a') && (ch <= 'z')) |
| 715 | || ((ch >= '0') && (ch <= '9')) |
| 716 | || (ch == '/') |
| 717 | || (ch == '-') |
| 718 | || (ch == '.')) |
| 719 | return 0; |
| 720 | return 1; |
| 721 | } |
| 722 | |
| 723 | static inline int hex(int v) |
| 724 | { |
Junio C Hamano | 4251ccb | 2009-03-09 18:47:29 -0700 | [diff] [blame] | 725 | if (v < 10) |
| 726 | return '0' + v; |
| 727 | else |
| 728 | return 'A' + v - 10; |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 729 | } |
| 730 | |
Tay Ray Chuan | eb9d47c | 2010-04-08 10:15:17 +0800 | [diff] [blame] | 731 | void end_url_with_slash(struct strbuf *buf, const char *url) |
Tay Ray Chuan | 5ace994 | 2009-06-06 16:43:43 +0800 | [diff] [blame] | 732 | { |
| 733 | strbuf_addstr(buf, url); |
| 734 | if (buf->len && buf->buf[buf->len - 1] != '/') |
| 735 | strbuf_addstr(buf, "/"); |
| 736 | } |
| 737 | |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 738 | static char *quote_ref_url(const char *base, const char *ref) |
| 739 | { |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 740 | struct strbuf buf = STRBUF_INIT; |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 741 | const char *cp; |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 742 | int ch; |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 743 | |
Tay Ray Chuan | 5ace994 | 2009-06-06 16:43:43 +0800 | [diff] [blame] | 744 | end_url_with_slash(&buf, base); |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 745 | |
| 746 | for (cp = ref; (ch = *cp) != 0; cp++) |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 747 | if (needs_quote(ch)) |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 748 | strbuf_addf(&buf, "%%%02x", ch); |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 749 | else |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 750 | strbuf_addch(&buf, *cp); |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 751 | |
Tay Ray Chuan | 113106e | 2009-03-08 00:47:21 +0800 | [diff] [blame] | 752 | return strbuf_detach(&buf, NULL); |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 753 | } |
| 754 | |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 755 | void append_remote_object_url(struct strbuf *buf, const char *url, |
| 756 | const char *hex, |
| 757 | int only_two_digit_prefix) |
| 758 | { |
Tay Ray Chuan | 800324c | 2009-08-17 17:09:43 +0800 | [diff] [blame] | 759 | end_url_with_slash(buf, url); |
| 760 | |
| 761 | strbuf_addf(buf, "objects/%.*s/", 2, hex); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 762 | if (!only_two_digit_prefix) |
| 763 | strbuf_addf(buf, "%s", hex+2); |
| 764 | } |
| 765 | |
| 766 | char *get_remote_object_url(const char *url, const char *hex, |
| 767 | int only_two_digit_prefix) |
| 768 | { |
| 769 | struct strbuf buf = STRBUF_INIT; |
| 770 | append_remote_object_url(&buf, url, hex, only_two_digit_prefix); |
| 771 | return strbuf_detach(&buf, NULL); |
| 772 | } |
| 773 | |
Mike Hommey | e929cd2 | 2009-06-06 16:43:53 +0800 | [diff] [blame] | 774 | /* http_request() targets */ |
| 775 | #define HTTP_REQUEST_STRBUF 0 |
| 776 | #define HTTP_REQUEST_FILE 1 |
| 777 | |
| 778 | static int http_request(const char *url, void *result, int target, int options) |
| 779 | { |
| 780 | struct active_request_slot *slot; |
| 781 | struct slot_results results; |
| 782 | struct curl_slist *headers = NULL; |
| 783 | struct strbuf buf = STRBUF_INIT; |
| 784 | int ret; |
| 785 | |
| 786 | slot = get_active_slot(); |
| 787 | slot->results = &results; |
| 788 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
| 789 | |
| 790 | if (result == NULL) { |
| 791 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); |
| 792 | } else { |
| 793 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
| 794 | curl_easy_setopt(slot->curl, CURLOPT_FILE, result); |
| 795 | |
| 796 | if (target == HTTP_REQUEST_FILE) { |
| 797 | long posn = ftell(result); |
| 798 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, |
| 799 | fwrite); |
| 800 | if (posn > 0) { |
| 801 | strbuf_addf(&buf, "Range: bytes=%ld-", posn); |
| 802 | headers = curl_slist_append(headers, buf.buf); |
| 803 | strbuf_reset(&buf); |
| 804 | } |
| 805 | slot->local = result; |
| 806 | } else |
| 807 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, |
| 808 | fwrite_buffer); |
| 809 | } |
| 810 | |
| 811 | strbuf_addstr(&buf, "Pragma:"); |
| 812 | if (options & HTTP_NO_CACHE) |
| 813 | strbuf_addstr(&buf, " no-cache"); |
| 814 | |
| 815 | headers = curl_slist_append(headers, buf.buf); |
| 816 | |
| 817 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
| 818 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); |
| 819 | |
| 820 | if (start_active_slot(slot)) { |
| 821 | run_active_slot(slot); |
| 822 | if (results.curl_result == CURLE_OK) |
| 823 | ret = HTTP_OK; |
| 824 | else if (missing_target(&results)) |
| 825 | ret = HTTP_MISSING_TARGET; |
Scott Chacon | 42653c0 | 2010-04-01 15:14:35 -0700 | [diff] [blame] | 826 | else if (results.http_code == 401) { |
| 827 | if (user_name) { |
| 828 | ret = HTTP_NOAUTH; |
| 829 | } else { |
| 830 | /* |
| 831 | * git_getpass is needed here because its very likely stdin/stdout are |
| 832 | * pipes to our parent process. So we instead need to use /dev/tty, |
| 833 | * but that is non-portable. Using git_getpass() can at least be stubbed |
| 834 | * on other platforms with a different implementation if/when necessary. |
| 835 | */ |
| 836 | user_name = xstrdup(git_getpass("Username: ")); |
| 837 | init_curl_http_auth(slot->curl); |
| 838 | ret = HTTP_REAUTH; |
| 839 | } |
| 840 | } else |
Mike Hommey | e929cd2 | 2009-06-06 16:43:53 +0800 | [diff] [blame] | 841 | ret = HTTP_ERROR; |
| 842 | } else { |
| 843 | error("Unable to start HTTP request for %s", url); |
| 844 | ret = HTTP_START_FAILED; |
| 845 | } |
| 846 | |
| 847 | slot->local = NULL; |
| 848 | curl_slist_free_all(headers); |
| 849 | strbuf_release(&buf); |
| 850 | |
| 851 | return ret; |
| 852 | } |
| 853 | |
| 854 | int http_get_strbuf(const char *url, struct strbuf *result, int options) |
| 855 | { |
Scott Chacon | 42653c0 | 2010-04-01 15:14:35 -0700 | [diff] [blame] | 856 | int http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options); |
| 857 | if (http_ret == HTTP_REAUTH) { |
| 858 | http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options); |
| 859 | } |
| 860 | return http_ret; |
Mike Hommey | e929cd2 | 2009-06-06 16:43:53 +0800 | [diff] [blame] | 861 | } |
| 862 | |
Junio C Hamano | 83e41e2 | 2010-01-11 22:26:08 -0800 | [diff] [blame] | 863 | /* |
| 864 | * Downloads an url and stores the result in the given file. |
| 865 | * |
| 866 | * If a previous interrupted download is detected (i.e. a previous temporary |
| 867 | * file is still around) the download is resumed. |
| 868 | */ |
| 869 | static int http_get_file(const char *url, const char *filename, int options) |
Mike Hommey | e929cd2 | 2009-06-06 16:43:53 +0800 | [diff] [blame] | 870 | { |
| 871 | int ret; |
| 872 | struct strbuf tmpfile = STRBUF_INIT; |
| 873 | FILE *result; |
| 874 | |
| 875 | strbuf_addf(&tmpfile, "%s.temp", filename); |
| 876 | result = fopen(tmpfile.buf, "a"); |
| 877 | if (! result) { |
| 878 | error("Unable to open local file %s", tmpfile.buf); |
| 879 | ret = HTTP_ERROR; |
| 880 | goto cleanup; |
| 881 | } |
| 882 | |
| 883 | ret = http_request(url, result, HTTP_REQUEST_FILE, options); |
| 884 | fclose(result); |
| 885 | |
| 886 | if ((ret == HTTP_OK) && move_temp_to_file(tmpfile.buf, filename)) |
| 887 | ret = HTTP_ERROR; |
| 888 | cleanup: |
| 889 | strbuf_release(&tmpfile); |
| 890 | return ret; |
| 891 | } |
| 892 | |
| 893 | int http_error(const char *url, int ret) |
| 894 | { |
| 895 | /* http_request has already handled HTTP_START_FAILED. */ |
| 896 | if (ret != HTTP_START_FAILED) |
| 897 | error("%s while accessing %s\n", curl_errorstr, url); |
| 898 | |
| 899 | return ret; |
| 900 | } |
| 901 | |
Daniel Barkalow | c13b263 | 2008-04-26 15:53:09 -0400 | [diff] [blame] | 902 | int http_fetch_ref(const char *base, struct ref *ref) |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 903 | { |
| 904 | char *url; |
| 905 | struct strbuf buffer = STRBUF_INIT; |
Mike Hommey | 0d5896e | 2009-06-06 16:43:55 +0800 | [diff] [blame] | 906 | int ret = -1; |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 907 | |
Daniel Barkalow | c13b263 | 2008-04-26 15:53:09 -0400 | [diff] [blame] | 908 | url = quote_ref_url(base, ref->name); |
Mike Hommey | 0d5896e | 2009-06-06 16:43:55 +0800 | [diff] [blame] | 909 | if (http_get_strbuf(url, &buffer, HTTP_NO_CACHE) == HTTP_OK) { |
| 910 | strbuf_rtrim(&buffer); |
| 911 | if (buffer.len == 40) |
| 912 | ret = get_sha1_hex(buffer.buf, ref->old_sha1); |
| 913 | else if (!prefixcmp(buffer.buf, "ref: ")) { |
| 914 | ref->symref = xstrdup(buffer.buf + 5); |
| 915 | ret = 0; |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 916 | } |
Mike Hommey | d7e9280 | 2007-12-11 00:08:25 +0100 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | strbuf_release(&buffer); |
| 920 | free(url); |
| 921 | return ret; |
| 922 | } |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 923 | |
| 924 | /* Helpers for fetching packs */ |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 925 | static char *fetch_pack_index(unsigned char *sha1, const char *base_url) |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 926 | { |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 927 | char *url, *tmp; |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 928 | struct strbuf buf = STRBUF_INIT; |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 929 | |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 930 | if (http_is_verbose) |
Shawn O. Pearce | 162eb5f | 2010-04-19 07:23:05 -0700 | [diff] [blame] | 931 | fprintf(stderr, "Getting index for pack %s\n", sha1_to_hex(sha1)); |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 932 | |
| 933 | end_url_with_slash(&buf, base_url); |
Shawn O. Pearce | 162eb5f | 2010-04-19 07:23:05 -0700 | [diff] [blame] | 934 | strbuf_addf(&buf, "objects/pack/pack-%s.idx", sha1_to_hex(sha1)); |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 935 | url = strbuf_detach(&buf, NULL); |
| 936 | |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 937 | strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1)); |
| 938 | tmp = strbuf_detach(&buf, NULL); |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 939 | |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 940 | if (http_get_file(url, tmp, 0) != HTTP_OK) { |
| 941 | error("Unable to get pack index %s\n", url); |
| 942 | free(tmp); |
| 943 | tmp = NULL; |
| 944 | } |
| 945 | |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 946 | free(url); |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 947 | return tmp; |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 948 | } |
| 949 | |
| 950 | static int fetch_and_setup_pack_index(struct packed_git **packs_head, |
| 951 | unsigned char *sha1, const char *base_url) |
| 952 | { |
| 953 | struct packed_git *new_pack; |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 954 | char *tmp_idx = NULL; |
| 955 | int ret; |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 956 | |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 957 | if (has_pack_index(sha1)) { |
| 958 | new_pack = parse_pack_index(sha1, NULL); |
| 959 | if (!new_pack) |
| 960 | return -1; /* parse_pack_index() already issued error message */ |
| 961 | goto add_pack; |
| 962 | } |
| 963 | |
| 964 | tmp_idx = fetch_pack_index(sha1, base_url); |
| 965 | if (!tmp_idx) |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 966 | return -1; |
| 967 | |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 968 | new_pack = parse_pack_index(sha1, tmp_idx); |
| 969 | if (!new_pack) { |
| 970 | unlink(tmp_idx); |
| 971 | free(tmp_idx); |
| 972 | |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 973 | return -1; /* parse_pack_index() already issued error message */ |
Shawn O. Pearce | 750ef42 | 2010-04-19 07:23:10 -0700 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | ret = verify_pack_index(new_pack); |
| 977 | if (!ret) { |
| 978 | close_pack_index(new_pack); |
| 979 | ret = move_temp_to_file(tmp_idx, sha1_pack_index_name(sha1)); |
| 980 | } |
| 981 | free(tmp_idx); |
| 982 | if (ret) |
| 983 | return -1; |
| 984 | |
| 985 | add_pack: |
Tay Ray Chuan | b8caac2 | 2009-06-06 16:43:59 +0800 | [diff] [blame] | 986 | new_pack->next = *packs_head; |
| 987 | *packs_head = new_pack; |
| 988 | return 0; |
| 989 | } |
| 990 | |
| 991 | int http_get_info_packs(const char *base_url, struct packed_git **packs_head) |
| 992 | { |
| 993 | int ret = 0, i = 0; |
| 994 | char *url, *data; |
| 995 | struct strbuf buf = STRBUF_INIT; |
| 996 | unsigned char sha1[20]; |
| 997 | |
| 998 | end_url_with_slash(&buf, base_url); |
| 999 | strbuf_addstr(&buf, "objects/info/packs"); |
| 1000 | url = strbuf_detach(&buf, NULL); |
| 1001 | |
| 1002 | ret = http_get_strbuf(url, &buf, HTTP_NO_CACHE); |
| 1003 | if (ret != HTTP_OK) |
| 1004 | goto cleanup; |
| 1005 | |
| 1006 | data = buf.buf; |
| 1007 | while (i < buf.len) { |
| 1008 | switch (data[i]) { |
| 1009 | case 'P': |
| 1010 | i++; |
| 1011 | if (i + 52 <= buf.len && |
| 1012 | !prefixcmp(data + i, " pack-") && |
| 1013 | !prefixcmp(data + i + 46, ".pack\n")) { |
| 1014 | get_sha1_hex(data + i + 6, sha1); |
| 1015 | fetch_and_setup_pack_index(packs_head, sha1, |
| 1016 | base_url); |
| 1017 | i += 51; |
| 1018 | break; |
| 1019 | } |
| 1020 | default: |
| 1021 | while (i < buf.len && data[i] != '\n') |
| 1022 | i++; |
| 1023 | } |
| 1024 | i++; |
| 1025 | } |
| 1026 | |
| 1027 | cleanup: |
| 1028 | free(url); |
| 1029 | return ret; |
| 1030 | } |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1031 | |
| 1032 | void release_http_pack_request(struct http_pack_request *preq) |
| 1033 | { |
| 1034 | if (preq->packfile != NULL) { |
| 1035 | fclose(preq->packfile); |
| 1036 | preq->packfile = NULL; |
| 1037 | preq->slot->local = NULL; |
| 1038 | } |
| 1039 | if (preq->range_header != NULL) { |
| 1040 | curl_slist_free_all(preq->range_header); |
| 1041 | preq->range_header = NULL; |
| 1042 | } |
| 1043 | preq->slot = NULL; |
| 1044 | free(preq->url); |
| 1045 | } |
| 1046 | |
| 1047 | int finish_http_pack_request(struct http_pack_request *preq) |
| 1048 | { |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1049 | struct packed_git **lst; |
Shawn O. Pearce | 021ab6f | 2010-04-17 13:07:36 -0700 | [diff] [blame] | 1050 | struct packed_git *p = preq->target; |
Shawn O. Pearce | fe72d42 | 2010-04-19 07:23:09 -0700 | [diff] [blame] | 1051 | char *tmp_idx; |
| 1052 | struct child_process ip; |
| 1053 | const char *ip_argv[8]; |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1054 | |
Shawn O. Pearce | fe72d42 | 2010-04-19 07:23:09 -0700 | [diff] [blame] | 1055 | close_pack_index(p); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1056 | |
Shawn O. Pearce | 3065274 | 2010-04-17 13:07:37 -0700 | [diff] [blame] | 1057 | fclose(preq->packfile); |
| 1058 | preq->packfile = NULL; |
| 1059 | preq->slot->local = NULL; |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1060 | |
| 1061 | lst = preq->lst; |
Shawn O. Pearce | 021ab6f | 2010-04-17 13:07:36 -0700 | [diff] [blame] | 1062 | while (*lst != p) |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1063 | lst = &((*lst)->next); |
| 1064 | *lst = (*lst)->next; |
| 1065 | |
Shawn O. Pearce | fe72d42 | 2010-04-19 07:23:09 -0700 | [diff] [blame] | 1066 | tmp_idx = xstrdup(preq->tmpfile); |
| 1067 | strcpy(tmp_idx + strlen(tmp_idx) - strlen(".pack.temp"), |
| 1068 | ".idx.temp"); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1069 | |
Shawn O. Pearce | fe72d42 | 2010-04-19 07:23:09 -0700 | [diff] [blame] | 1070 | ip_argv[0] = "index-pack"; |
| 1071 | ip_argv[1] = "-o"; |
| 1072 | ip_argv[2] = tmp_idx; |
| 1073 | ip_argv[3] = preq->tmpfile; |
| 1074 | ip_argv[4] = NULL; |
| 1075 | |
| 1076 | memset(&ip, 0, sizeof(ip)); |
| 1077 | ip.argv = ip_argv; |
| 1078 | ip.git_cmd = 1; |
| 1079 | ip.no_stdin = 1; |
| 1080 | ip.no_stdout = 1; |
| 1081 | |
| 1082 | if (run_command(&ip)) { |
| 1083 | unlink(preq->tmpfile); |
| 1084 | unlink(tmp_idx); |
| 1085 | free(tmp_idx); |
| 1086 | return -1; |
| 1087 | } |
| 1088 | |
| 1089 | unlink(sha1_pack_index_name(p->sha1)); |
| 1090 | |
| 1091 | if (move_temp_to_file(preq->tmpfile, sha1_pack_name(p->sha1)) |
| 1092 | || move_temp_to_file(tmp_idx, sha1_pack_index_name(p->sha1))) { |
| 1093 | free(tmp_idx); |
| 1094 | return -1; |
| 1095 | } |
| 1096 | |
| 1097 | install_packed_git(p); |
| 1098 | free(tmp_idx); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1099 | return 0; |
| 1100 | } |
| 1101 | |
| 1102 | struct http_pack_request *new_http_pack_request( |
| 1103 | struct packed_git *target, const char *base_url) |
| 1104 | { |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1105 | long prev_posn = 0; |
| 1106 | char range[RANGE_HEADER_SIZE]; |
| 1107 | struct strbuf buf = STRBUF_INIT; |
| 1108 | struct http_pack_request *preq; |
| 1109 | |
| 1110 | preq = xmalloc(sizeof(*preq)); |
| 1111 | preq->target = target; |
| 1112 | preq->range_header = NULL; |
| 1113 | |
| 1114 | end_url_with_slash(&buf, base_url); |
| 1115 | strbuf_addf(&buf, "objects/pack/pack-%s.pack", |
| 1116 | sha1_to_hex(target->sha1)); |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1117 | preq->url = strbuf_detach(&buf, NULL); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1118 | |
Tay Ray Chuan | 90d0571 | 2010-04-19 22:46:43 +0800 | [diff] [blame] | 1119 | snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp", |
| 1120 | sha1_pack_name(target->sha1)); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1121 | preq->packfile = fopen(preq->tmpfile, "a"); |
| 1122 | if (!preq->packfile) { |
| 1123 | error("Unable to open local file %s for pack", |
| 1124 | preq->tmpfile); |
| 1125 | goto abort; |
| 1126 | } |
| 1127 | |
| 1128 | preq->slot = get_active_slot(); |
| 1129 | preq->slot->local = preq->packfile; |
| 1130 | curl_easy_setopt(preq->slot->curl, CURLOPT_FILE, preq->packfile); |
| 1131 | curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite); |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1132 | curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1133 | curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER, |
| 1134 | no_pragma_header); |
| 1135 | |
| 1136 | /* |
| 1137 | * If there is data present from a previous transfer attempt, |
| 1138 | * resume where it left off |
| 1139 | */ |
| 1140 | prev_posn = ftell(preq->packfile); |
| 1141 | if (prev_posn>0) { |
| 1142 | if (http_is_verbose) |
| 1143 | fprintf(stderr, |
| 1144 | "Resuming fetch of pack %s at byte %ld\n", |
| 1145 | sha1_to_hex(target->sha1), prev_posn); |
| 1146 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
| 1147 | preq->range_header = curl_slist_append(NULL, range); |
| 1148 | curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER, |
| 1149 | preq->range_header); |
| 1150 | } |
| 1151 | |
| 1152 | return preq; |
| 1153 | |
| 1154 | abort: |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1155 | free(preq->url); |
Tay Ray Chuan | 5ae9ebf | 2009-08-10 23:55:48 +0800 | [diff] [blame] | 1156 | free(preq); |
Tay Ray Chuan | 2264dfa | 2009-06-06 16:44:01 +0800 | [diff] [blame] | 1157 | return NULL; |
| 1158 | } |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1159 | |
| 1160 | /* Helpers for fetching objects (loose) */ |
| 1161 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
| 1162 | void *data) |
| 1163 | { |
| 1164 | unsigned char expn[4096]; |
| 1165 | size_t size = eltsize * nmemb; |
| 1166 | int posn = 0; |
| 1167 | struct http_object_request *freq = |
| 1168 | (struct http_object_request *)data; |
| 1169 | do { |
| 1170 | ssize_t retval = xwrite(freq->localfile, |
| 1171 | (char *) ptr + posn, size - posn); |
| 1172 | if (retval < 0) |
| 1173 | return posn; |
| 1174 | posn += retval; |
| 1175 | } while (posn < size); |
| 1176 | |
| 1177 | freq->stream.avail_in = size; |
| 1178 | freq->stream.next_in = ptr; |
| 1179 | do { |
| 1180 | freq->stream.next_out = expn; |
| 1181 | freq->stream.avail_out = sizeof(expn); |
| 1182 | freq->zret = git_inflate(&freq->stream, Z_SYNC_FLUSH); |
| 1183 | git_SHA1_Update(&freq->c, expn, |
| 1184 | sizeof(expn) - freq->stream.avail_out); |
| 1185 | } while (freq->stream.avail_in && freq->zret == Z_OK); |
| 1186 | data_received++; |
| 1187 | return size; |
| 1188 | } |
| 1189 | |
| 1190 | struct http_object_request *new_http_object_request(const char *base_url, |
| 1191 | unsigned char *sha1) |
| 1192 | { |
| 1193 | char *hex = sha1_to_hex(sha1); |
| 1194 | char *filename; |
| 1195 | char prevfile[PATH_MAX]; |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1196 | int prevlocal; |
| 1197 | unsigned char prev_buf[PREV_BUF_SIZE]; |
| 1198 | ssize_t prev_read = 0; |
| 1199 | long prev_posn = 0; |
| 1200 | char range[RANGE_HEADER_SIZE]; |
| 1201 | struct curl_slist *range_header = NULL; |
| 1202 | struct http_object_request *freq; |
| 1203 | |
| 1204 | freq = xmalloc(sizeof(*freq)); |
| 1205 | hashcpy(freq->sha1, sha1); |
| 1206 | freq->localfile = -1; |
| 1207 | |
| 1208 | filename = sha1_file_name(sha1); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1209 | snprintf(freq->tmpfile, sizeof(freq->tmpfile), |
| 1210 | "%s.temp", filename); |
| 1211 | |
| 1212 | snprintf(prevfile, sizeof(prevfile), "%s.prev", filename); |
| 1213 | unlink_or_warn(prevfile); |
| 1214 | rename(freq->tmpfile, prevfile); |
| 1215 | unlink_or_warn(freq->tmpfile); |
| 1216 | |
| 1217 | if (freq->localfile != -1) |
| 1218 | error("fd leakage in start: %d", freq->localfile); |
| 1219 | freq->localfile = open(freq->tmpfile, |
| 1220 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 1221 | /* |
| 1222 | * This could have failed due to the "lazy directory creation"; |
| 1223 | * try to mkdir the last path component. |
| 1224 | */ |
| 1225 | if (freq->localfile < 0 && errno == ENOENT) { |
| 1226 | char *dir = strrchr(freq->tmpfile, '/'); |
| 1227 | if (dir) { |
| 1228 | *dir = 0; |
| 1229 | mkdir(freq->tmpfile, 0777); |
| 1230 | *dir = '/'; |
| 1231 | } |
| 1232 | freq->localfile = open(freq->tmpfile, |
| 1233 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 1234 | } |
| 1235 | |
| 1236 | if (freq->localfile < 0) { |
Shawn O. Pearce | 0da8b2e | 2010-04-17 13:07:38 -0700 | [diff] [blame] | 1237 | error("Couldn't create temporary file %s: %s", |
| 1238 | freq->tmpfile, strerror(errno)); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1239 | goto abort; |
| 1240 | } |
| 1241 | |
| 1242 | memset(&freq->stream, 0, sizeof(freq->stream)); |
| 1243 | |
| 1244 | git_inflate_init(&freq->stream); |
| 1245 | |
| 1246 | git_SHA1_Init(&freq->c); |
| 1247 | |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1248 | freq->url = get_remote_object_url(base_url, hex, 0); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1249 | |
| 1250 | /* |
| 1251 | * If a previous temp file is present, process what was already |
| 1252 | * fetched. |
| 1253 | */ |
| 1254 | prevlocal = open(prevfile, O_RDONLY); |
| 1255 | if (prevlocal != -1) { |
| 1256 | do { |
| 1257 | prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE); |
| 1258 | if (prev_read>0) { |
| 1259 | if (fwrite_sha1_file(prev_buf, |
| 1260 | 1, |
| 1261 | prev_read, |
| 1262 | freq) == prev_read) { |
| 1263 | prev_posn += prev_read; |
| 1264 | } else { |
| 1265 | prev_read = -1; |
| 1266 | } |
| 1267 | } |
| 1268 | } while (prev_read > 0); |
| 1269 | close(prevlocal); |
| 1270 | } |
| 1271 | unlink_or_warn(prevfile); |
| 1272 | |
| 1273 | /* |
| 1274 | * Reset inflate/SHA1 if there was an error reading the previous temp |
| 1275 | * file; also rewind to the beginning of the local file. |
| 1276 | */ |
| 1277 | if (prev_read == -1) { |
| 1278 | memset(&freq->stream, 0, sizeof(freq->stream)); |
| 1279 | git_inflate_init(&freq->stream); |
| 1280 | git_SHA1_Init(&freq->c); |
| 1281 | if (prev_posn>0) { |
| 1282 | prev_posn = 0; |
| 1283 | lseek(freq->localfile, 0, SEEK_SET); |
Jeff Lasslett | 0c4f21e | 2009-08-11 00:05:06 +0800 | [diff] [blame] | 1284 | if (ftruncate(freq->localfile, 0) < 0) { |
Shawn O. Pearce | 0da8b2e | 2010-04-17 13:07:38 -0700 | [diff] [blame] | 1285 | error("Couldn't truncate temporary file %s: %s", |
| 1286 | freq->tmpfile, strerror(errno)); |
Jeff Lasslett | 0c4f21e | 2009-08-11 00:05:06 +0800 | [diff] [blame] | 1287 | goto abort; |
| 1288 | } |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1289 | } |
| 1290 | } |
| 1291 | |
| 1292 | freq->slot = get_active_slot(); |
| 1293 | |
| 1294 | curl_easy_setopt(freq->slot->curl, CURLOPT_FILE, freq); |
| 1295 | curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); |
| 1296 | curl_easy_setopt(freq->slot->curl, CURLOPT_ERRORBUFFER, freq->errorstr); |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1297 | curl_easy_setopt(freq->slot->curl, CURLOPT_URL, freq->url); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1298 | curl_easy_setopt(freq->slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
| 1299 | |
| 1300 | /* |
| 1301 | * If we have successfully processed data from a previous fetch |
| 1302 | * attempt, only fetch the data we don't already have. |
| 1303 | */ |
| 1304 | if (prev_posn>0) { |
| 1305 | if (http_is_verbose) |
| 1306 | fprintf(stderr, |
| 1307 | "Resuming fetch of object %s at byte %ld\n", |
| 1308 | hex, prev_posn); |
| 1309 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
| 1310 | range_header = curl_slist_append(range_header, range); |
| 1311 | curl_easy_setopt(freq->slot->curl, |
| 1312 | CURLOPT_HTTPHEADER, range_header); |
| 1313 | } |
| 1314 | |
| 1315 | return freq; |
| 1316 | |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1317 | abort: |
| 1318 | free(filename); |
Tay Ray Chuan | bb99190 | 2009-08-10 23:59:55 +0800 | [diff] [blame] | 1319 | free(freq->url); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1320 | free(freq); |
| 1321 | return NULL; |
| 1322 | } |
| 1323 | |
| 1324 | void process_http_object_request(struct http_object_request *freq) |
| 1325 | { |
| 1326 | if (freq->slot == NULL) |
| 1327 | return; |
| 1328 | freq->curl_result = freq->slot->curl_result; |
| 1329 | freq->http_code = freq->slot->http_code; |
| 1330 | freq->slot = NULL; |
| 1331 | } |
| 1332 | |
| 1333 | int finish_http_object_request(struct http_object_request *freq) |
| 1334 | { |
| 1335 | struct stat st; |
| 1336 | |
| 1337 | close(freq->localfile); |
| 1338 | freq->localfile = -1; |
| 1339 | |
| 1340 | process_http_object_request(freq); |
| 1341 | |
| 1342 | if (freq->http_code == 416) { |
Thiago Farina | bd757c1 | 2010-01-03 11:20:30 -0500 | [diff] [blame] | 1343 | warning("requested range invalid; we may already have all the data."); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1344 | } else if (freq->curl_result != CURLE_OK) { |
| 1345 | if (stat(freq->tmpfile, &st) == 0) |
| 1346 | if (st.st_size == 0) |
| 1347 | unlink_or_warn(freq->tmpfile); |
| 1348 | return -1; |
| 1349 | } |
| 1350 | |
| 1351 | git_inflate_end(&freq->stream); |
| 1352 | git_SHA1_Final(freq->real_sha1, &freq->c); |
| 1353 | if (freq->zret != Z_STREAM_END) { |
| 1354 | unlink_or_warn(freq->tmpfile); |
| 1355 | return -1; |
| 1356 | } |
| 1357 | if (hashcmp(freq->sha1, freq->real_sha1)) { |
| 1358 | unlink_or_warn(freq->tmpfile); |
| 1359 | return -1; |
| 1360 | } |
| 1361 | freq->rename = |
Shawn O. Pearce | 0da8b2e | 2010-04-17 13:07:38 -0700 | [diff] [blame] | 1362 | move_temp_to_file(freq->tmpfile, sha1_file_name(freq->sha1)); |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1363 | |
| 1364 | return freq->rename; |
| 1365 | } |
| 1366 | |
| 1367 | void abort_http_object_request(struct http_object_request *freq) |
| 1368 | { |
| 1369 | unlink_or_warn(freq->tmpfile); |
| 1370 | |
| 1371 | release_http_object_request(freq); |
| 1372 | } |
| 1373 | |
| 1374 | void release_http_object_request(struct http_object_request *freq) |
| 1375 | { |
| 1376 | if (freq->localfile != -1) { |
| 1377 | close(freq->localfile); |
| 1378 | freq->localfile = -1; |
| 1379 | } |
| 1380 | if (freq->url != NULL) { |
| 1381 | free(freq->url); |
| 1382 | freq->url = NULL; |
| 1383 | } |
Tay Ray Chuan | 4b9fa0e | 2009-08-26 20:20:53 +0800 | [diff] [blame] | 1384 | if (freq->slot != NULL) { |
| 1385 | freq->slot->callback_func = NULL; |
| 1386 | freq->slot->callback_data = NULL; |
| 1387 | release_active_slot(freq->slot); |
| 1388 | freq->slot = NULL; |
| 1389 | } |
Tay Ray Chuan | 5424bc5 | 2009-06-06 16:44:02 +0800 | [diff] [blame] | 1390 | } |