Mercurial > hg > nginx
annotate src/event/ngx_event_openssl.c @ 968:1b60ecc8cdb7
OPENSSL_config()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 02 Jan 2007 23:32:41 +0000 |
| parents | cec32b3753ac |
| children | 065b39794fff |
| rev | line source |
|---|---|
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
| 541 | 11 |
| 12 typedef struct { | |
| 13 ngx_str_t engine; | |
| 14 } ngx_openssl_conf_t; | |
| 479 | 15 |
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16 |
| 671 | 17 static int ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store); |
| 547 | 18 static void ngx_ssl_handshake_handler(ngx_event_t *ev); |
| 489 | 19 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n); |
| 473 | 20 static void ngx_ssl_write_handler(ngx_event_t *wev); |
| 21 static void ngx_ssl_read_handler(ngx_event_t *rev); | |
| 577 | 22 static void ngx_ssl_shutdown_handler(ngx_event_t *ev); |
| 547 | 23 static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, |
| 24 ngx_err_t err, char *text); | |
| 541 | 25 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle); |
| 26 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf); | |
| 571 | 27 static void ngx_openssl_exit(ngx_cycle_t *cycle); |
| 541 | 28 |
| 29 #if !(NGX_SSL_ENGINE) | |
| 30 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 31 void *conf); | |
| 32 #endif | |
| 33 | |
| 34 | |
| 35 static ngx_command_t ngx_openssl_commands[] = { | |
| 36 | |
| 37 { ngx_string("ssl_engine"), | |
| 38 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 39 #if (NGX_SSL_ENGINE) | |
| 40 ngx_conf_set_str_slot, | |
| 41 #else | |
| 42 ngx_openssl_noengine, | |
| 43 #endif | |
| 44 0, | |
| 45 offsetof(ngx_openssl_conf_t, engine), | |
| 46 NULL }, | |
| 47 | |
| 48 ngx_null_command | |
| 49 }; | |
| 50 | |
| 51 | |
| 52 static ngx_core_module_t ngx_openssl_module_ctx = { | |
| 53 ngx_string("openssl"), | |
| 54 ngx_openssl_create_conf, | |
| 55 ngx_openssl_init_conf | |
| 577 | 56 }; |
| 541 | 57 |
| 58 | |
| 59 ngx_module_t ngx_openssl_module = { | |
| 60 NGX_MODULE_V1, | |
| 61 &ngx_openssl_module_ctx, /* module context */ | |
| 62 ngx_openssl_commands, /* module directives */ | |
| 63 NGX_CORE_MODULE, /* module type */ | |
| 64 NULL, /* init master */ | |
| 65 NULL, /* init module */ | |
| 66 NULL, /* init process */ | |
| 67 NULL, /* init thread */ | |
| 68 NULL, /* exit thread */ | |
| 69 NULL, /* exit process */ | |
| 571 | 70 ngx_openssl_exit, /* exit master */ |
| 541 | 71 NGX_MODULE_V1_PADDING |
| 547 | 72 }; |
| 73 | |
| 74 | |
| 75 static long ngx_ssl_protocols[] = { | |
| 76 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
| 77 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
| 78 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1, | |
| 79 SSL_OP_NO_TLSv1, | |
| 80 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3, | |
| 81 SSL_OP_NO_SSLv3, | |
| 82 SSL_OP_NO_SSLv2, | |
| 83 0, | |
| 84 }; | |
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86 |
| 671 | 87 int ngx_connection_index; |
| 88 | |
| 89 | |
| 489 | 90 ngx_int_t |
| 91 ngx_ssl_init(ngx_log_t *log) | |
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92 { |
| 968 | 93 #if OPENSSL_VERSION_NUMBER >= 0x00907000 |
| 94 OPENSSL_config(NULL); | |
| 95 #endif | |
| 96 | |
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97 SSL_library_init(); |
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98 SSL_load_error_strings(); |
| 541 | 99 |
| 100 #if (NGX_SSL_ENGINE) | |
| 479 | 101 ENGINE_load_builtin_engines(); |
| 541 | 102 #endif |
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103 |
| 671 | 104 ngx_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL); |
| 105 | |
| 106 if (ngx_connection_index == -1) { | |
| 107 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed"); | |
| 108 return NGX_ERROR; | |
| 109 } | |
| 110 | |
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111 return NGX_OK; |
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112 } |
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114 |
| 489 | 115 ngx_int_t |
| 547 | 116 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols) |
| 117 { | |
| 577 | 118 ssl->ctx = SSL_CTX_new(SSLv23_method()); |
| 547 | 119 |
| 120 if (ssl->ctx == NULL) { | |
| 121 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed"); | |
| 122 return NGX_ERROR; | |
| 123 } | |
| 124 | |
| 577 | 125 /* client side options */ |
| 126 | |
| 127 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG); | |
| 128 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG); | |
| 129 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG); | |
| 130 | |
| 131 /* server side options */ | |
| 563 | 132 |
| 133 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG); | |
| 134 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER); | |
| 135 | |
| 136 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */ | |
| 137 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING); | |
| 138 | |
| 139 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG); | |
| 140 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG); | |
| 141 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG); | |
| 142 | |
| 143 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS | |
| 144 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS); | |
| 145 #endif | |
| 146 | |
| 547 | 147 |
| 148 if (ngx_ssl_protocols[protocols >> 1] != 0) { | |
| 149 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]); | |
| 150 } | |
| 151 | |
| 152 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); | |
| 153 | |
| 154 SSL_CTX_set_read_ahead(ssl->ctx, 1); | |
| 155 | |
| 156 return NGX_OK; | |
| 157 } | |
| 158 | |
| 159 | |
| 160 ngx_int_t | |
| 563 | 161 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
| 162 ngx_str_t *key) | |
| 547 | 163 { |
| 563 | 164 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
| 547 | 165 return NGX_ERROR; |
| 166 } | |
| 167 | |
| 563 | 168 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data) |
| 547 | 169 == 0) |
| 170 { | |
| 171 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
| 563 | 172 "SSL_CTX_use_certificate_chain_file(\"%s\") failed", |
| 173 cert->data); | |
| 174 return NGX_ERROR; | |
| 175 } | |
| 176 | |
| 177 if (ngx_conf_full_name(cf->cycle, key) == NGX_ERROR) { | |
| 178 return NGX_ERROR; | |
| 179 } | |
| 180 | |
| 181 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data, | |
| 647 | 182 SSL_FILETYPE_PEM) |
| 183 == 0) | |
| 563 | 184 { |
| 185 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
| 186 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data); | |
| 547 | 187 return NGX_ERROR; |
| 188 } | |
| 189 | |
| 190 return NGX_OK; | |
| 191 } | |
| 192 | |
| 193 | |
| 194 ngx_int_t | |
| 671 | 195 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
| 196 ngx_int_t depth) | |
| 647 | 197 { |
| 671 | 198 STACK_OF(X509_NAME) *list; |
| 199 | |
| 200 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback); | |
| 201 | |
| 202 SSL_CTX_set_verify_depth(ssl->ctx, depth); | |
| 203 | |
| 204 if (cert->len == 0) { | |
| 205 return NGX_OK; | |
| 206 } | |
| 207 | |
| 647 | 208 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
| 209 return NGX_ERROR; | |
| 210 } | |
| 211 | |
| 212 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL) | |
| 213 == 0) | |
| 214 { | |
| 215 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
| 216 "SSL_CTX_load_verify_locations(\"%s\") failed", | |
| 217 cert->data); | |
| 218 return NGX_ERROR; | |
| 219 } | |
| 220 | |
| 671 | 221 list = SSL_load_client_CA_file((char *) cert->data); |
| 222 | |
| 223 if (list == NULL) { | |
| 224 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
| 225 "SSL_load_client_CA_file(\"%s\") failed", cert->data); | |
| 226 return NGX_ERROR; | |
| 227 } | |
| 228 | |
| 229 /* | |
| 230 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file() | |
| 231 * always leaved an error in the error queue | |
| 232 */ | |
| 233 | |
| 234 ERR_clear_error(); | |
| 235 | |
| 236 SSL_CTX_set_client_CA_list(ssl->ctx, list); | |
| 237 | |
| 647 | 238 return NGX_OK; |
| 239 } | |
| 240 | |
| 241 | |
| 671 | 242 static int |
| 243 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store) | |
| 244 { | |
| 245 char *subject, *issuer; | |
| 246 int err, depth; | |
| 247 X509 *cert; | |
| 248 X509_NAME *name; | |
| 249 ngx_connection_t *c; | |
| 250 ngx_ssl_conn_t *ssl_conn; | |
| 251 | |
| 252 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store, | |
| 253 SSL_get_ex_data_X509_STORE_CTX_idx()); | |
| 254 | |
| 255 c = ngx_ssl_get_connection(ssl_conn); | |
| 256 | |
| 257 cert = X509_STORE_CTX_get_current_cert(x509_store); | |
| 258 err = X509_STORE_CTX_get_error(x509_store); | |
| 259 depth = X509_STORE_CTX_get_error_depth(x509_store); | |
| 260 | |
| 261 name = X509_get_subject_name(cert); | |
| 262 subject = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
| 263 | |
| 264 name = X509_get_issuer_name(cert); | |
| 265 issuer = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
| 266 | |
| 267 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 268 "verify:%d, error:%d, depth:%d, " | |
| 269 "subject:\"%s\",issuer: \"%s\"", | |
| 270 ok, err, depth, subject, issuer); | |
| 271 | |
| 272 return 1; | |
| 273 } | |
| 274 | |
| 275 | |
| 647 | 276 ngx_int_t |
| 547 | 277 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl) |
| 278 { | |
| 671 | 279 RSA *key; |
| 280 | |
| 559 | 281 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) { |
| 282 return NGX_OK; | |
| 283 } | |
| 284 | |
| 671 | 285 key = RSA_generate_key(512, RSA_F4, NULL, NULL); |
| 547 | 286 |
| 671 | 287 if (key) { |
| 288 SSL_CTX_set_tmp_rsa(ssl->ctx, key); | |
| 289 | |
| 290 RSA_free(key); | |
| 291 | |
| 547 | 292 return NGX_OK; |
| 293 } | |
| 294 | |
| 295 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed"); | |
| 296 | |
| 297 return NGX_ERROR; | |
| 298 } | |
| 299 | |
| 300 | |
| 301 ngx_int_t | |
| 302 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags) | |
| 577 | 303 { |
| 547 | 304 ngx_ssl_connection_t *sc; |
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305 |
| 547 | 306 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t)); |
| 307 if (sc == NULL) { | |
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308 return NGX_ERROR; |
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309 } |
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310 |
| 543 | 311 if (flags & NGX_SSL_BUFFER) { |
| 547 | 312 sc->buffer = 1; |
| 543 | 313 |
| 547 | 314 sc->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE); |
| 315 if (sc->buf == NULL) { | |
| 543 | 316 return NGX_ERROR; |
| 317 } | |
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318 } |
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319 |
| 547 | 320 sc->connection = SSL_new(ssl->ctx); |
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321 |
| 547 | 322 if (sc->connection == NULL) { |
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323 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
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324 return NGX_ERROR; |
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325 } |
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326 |
| 547 | 327 if (SSL_set_fd(sc->connection, c->fd) == 0) { |
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328 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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329 return NGX_ERROR; |
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330 } |
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331 |
| 577 | 332 if (flags & NGX_SSL_CLIENT) { |
| 333 SSL_set_connect_state(sc->connection); | |
| 334 | |
| 335 } else { | |
| 336 SSL_set_accept_state(sc->connection); | |
| 337 } | |
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338 |
| 671 | 339 if (SSL_set_ex_data(sc->connection, ngx_connection_index, c) == 0) { |
| 340 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed"); | |
| 341 return NGX_ERROR; | |
| 342 } | |
| 343 | |
| 547 | 344 c->ssl = sc; |
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345 |
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346 return NGX_OK; |
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347 } |
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348 |
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349 |
| 547 | 350 ngx_int_t |
| 577 | 351 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session) |
| 352 { | |
| 353 if (session) { | |
| 354 if (SSL_set_session(c->ssl->connection, session) == 0) { | |
| 355 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed"); | |
| 356 return NGX_ERROR; | |
| 357 } | |
| 358 } | |
| 359 | |
| 360 return NGX_OK; | |
| 361 } | |
| 362 | |
| 363 | |
| 364 ngx_int_t | |
| 547 | 365 ngx_ssl_handshake(ngx_connection_t *c) |
| 366 { | |
| 367 int n, sslerr; | |
| 368 ngx_err_t err; | |
| 369 | |
| 370 n = SSL_do_handshake(c->ssl->connection); | |
| 371 | |
| 577 | 372 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
| 547 | 373 |
| 374 if (n == 1) { | |
| 375 | |
| 376 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 377 return NGX_ERROR; | |
| 378 } | |
| 379 | |
| 380 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 381 return NGX_ERROR; | |
| 382 } | |
| 383 | |
| 384 #if (NGX_DEBUG) | |
| 385 { | |
| 386 char buf[129], *s, *d; | |
| 387 SSL_CIPHER *cipher; | |
| 388 | |
| 389 cipher = SSL_get_current_cipher(c->ssl->connection); | |
| 390 | |
| 391 if (cipher) { | |
| 392 SSL_CIPHER_description(cipher, &buf[1], 128); | |
| 393 | |
| 394 for (s = &buf[1], d = buf; *s; s++) { | |
| 395 if (*s == ' ' && *d == ' ') { | |
| 396 continue; | |
| 397 } | |
| 398 | |
| 399 if (*s == LF || *s == CR) { | |
| 400 continue; | |
| 401 } | |
| 402 | |
| 403 *++d = *s; | |
| 404 } | |
| 405 | |
| 406 if (*d != ' ') { | |
| 407 d++; | |
| 408 } | |
| 409 | |
| 410 *d = '\0'; | |
| 411 | |
| 583 | 412 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 547 | 413 "SSL: %s, cipher: \"%s\"", |
| 577 | 414 SSL_get_version(c->ssl->connection), &buf[1]); |
| 547 | 415 |
| 416 if (SSL_session_reused(c->ssl->connection)) { | |
| 583 | 417 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 547 | 418 "SSL reused session"); |
| 419 } | |
| 420 | |
| 421 } else { | |
| 422 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 577 | 423 "SSL no shared ciphers"); |
| 547 | 424 } |
| 425 } | |
| 426 #endif | |
| 427 | |
| 428 c->ssl->handshaked = 1; | |
| 429 | |
| 430 c->recv = ngx_ssl_recv; | |
| 431 c->send = ngx_ssl_write; | |
| 577 | 432 c->recv_chain = ngx_ssl_recv_chain; |
| 433 c->send_chain = ngx_ssl_send_chain; | |
| 547 | 434 |
| 435 return NGX_OK; | |
| 436 } | |
| 437 | |
| 438 sslerr = SSL_get_error(c->ssl->connection, n); | |
| 439 | |
| 440 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); | |
| 441 | |
| 442 if (sslerr == SSL_ERROR_WANT_READ) { | |
| 443 c->read->ready = 0; | |
| 444 c->read->handler = ngx_ssl_handshake_handler; | |
| 591 | 445 c->write->handler = ngx_ssl_handshake_handler; |
| 547 | 446 |
| 447 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 448 return NGX_ERROR; | |
| 449 } | |
| 450 | |
| 451 return NGX_AGAIN; | |
| 452 } | |
| 453 | |
| 454 if (sslerr == SSL_ERROR_WANT_WRITE) { | |
| 455 c->write->ready = 0; | |
| 591 | 456 c->read->handler = ngx_ssl_handshake_handler; |
| 547 | 457 c->write->handler = ngx_ssl_handshake_handler; |
| 458 | |
| 459 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 460 return NGX_ERROR; | |
| 461 } | |
| 462 | |
| 463 return NGX_AGAIN; | |
| 464 } | |
| 465 | |
| 466 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; | |
| 467 | |
| 468 c->ssl->no_wait_shutdown = 1; | |
| 469 c->ssl->no_send_shutdown = 1; | |
| 591 | 470 c->read->eof = 1; |
| 547 | 471 |
| 472 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { | |
| 473 ngx_log_error(NGX_LOG_INFO, c->log, err, | |
| 577 | 474 "peer closed connection in SSL handshake"); |
| 547 | 475 |
| 476 return NGX_ERROR; | |
| 477 } | |
| 478 | |
| 591 | 479 c->read->error = 1; |
| 480 | |
| 547 | 481 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed"); |
| 482 | |
| 483 return NGX_ERROR; | |
| 484 } | |
| 485 | |
| 486 | |
| 487 static void | |
| 488 ngx_ssl_handshake_handler(ngx_event_t *ev) | |
| 489 { | |
| 490 ngx_connection_t *c; | |
| 491 | |
| 492 c = ev->data; | |
| 493 | |
| 549 | 494 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 577 | 495 "SSL handshake handler: %d", ev->write); |
| 547 | 496 |
| 591 | 497 if (ev->timedout) { |
| 498 c->ssl->handler(c); | |
| 499 return; | |
| 500 } | |
| 501 | |
| 547 | 502 if (ngx_ssl_handshake(c) == NGX_AGAIN) { |
| 503 return; | |
| 504 } | |
| 505 | |
| 506 c->ssl->handler(c); | |
| 507 } | |
| 508 | |
| 509 | |
| 489 | 510 ssize_t |
| 577 | 511 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl) |
| 512 { | |
| 513 ssize_t n, bytes; | |
| 514 ngx_buf_t *b; | |
| 515 | |
| 516 bytes = 0; | |
| 517 | |
| 518 while (cl) { | |
| 519 b = cl->buf; | |
| 520 | |
| 521 n = ngx_ssl_recv(c, b->last, b->end - b->last); | |
| 522 | |
| 523 if (n > 0) { | |
| 524 b->last += n; | |
| 525 bytes += n; | |
| 526 | |
| 527 if (b->last == b->end) { | |
| 528 cl = cl->next; | |
| 529 } | |
| 530 | |
| 531 continue; | |
| 532 } | |
| 533 | |
| 534 if (bytes) { | |
| 535 return bytes; | |
| 536 } | |
| 537 | |
| 538 return n; | |
| 539 } | |
| 540 | |
| 541 return bytes; | |
| 542 } | |
| 543 | |
| 544 | |
| 545 ssize_t | |
| 489 | 546 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) |
|
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547 { |
| 489 | 548 int n, bytes; |
| 549 | |
| 550 if (c->ssl->last == NGX_ERROR) { | |
| 551 return NGX_ERROR; | |
| 552 } | |
| 553 | |
| 577 | 554 if (c->ssl->last == NGX_DONE) { |
| 555 return 0; | |
| 556 } | |
| 557 | |
| 489 | 558 bytes = 0; |
|
393
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559 |
| 489 | 560 /* |
| 561 * SSL_read() may return data in parts, so try to read | |
| 562 * until SSL_read() would return no data | |
| 563 */ | |
| 564 | |
| 565 for ( ;; ) { | |
|
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566 |
| 543 | 567 n = SSL_read(c->ssl->connection, buf, size); |
| 489 | 568 |
| 577 | 569 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); |
|
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570 |
| 489 | 571 if (n > 0) { |
| 572 bytes += n; | |
| 573 } | |
| 574 | |
| 575 c->ssl->last = ngx_ssl_handle_recv(c, n); | |
| 576 | |
| 577 if (c->ssl->last != NGX_OK) { | |
| 479 | 578 |
| 489 | 579 if (bytes) { |
| 580 return bytes; | |
| 577 | 581 } |
| 489 | 582 |
| 577 | 583 if (c->ssl->last == NGX_DONE) { |
| 584 return 0; | |
| 479 | 585 } |
| 577 | 586 |
| 587 return c->ssl->last; | |
| 479 | 588 } |
| 589 | |
| 489 | 590 size -= n; |
| 591 | |
| 592 if (size == 0) { | |
| 593 return bytes; | |
| 594 } | |
| 595 | |
| 596 buf += n; | |
| 597 } | |
| 598 } | |
| 599 | |
| 600 | |
| 601 static ngx_int_t | |
| 602 ngx_ssl_handle_recv(ngx_connection_t *c, int n) | |
| 603 { | |
| 547 | 604 int sslerr; |
| 605 ngx_err_t err; | |
| 489 | 606 |
| 607 if (n > 0) { | |
| 479 | 608 |
| 473 | 609 if (c->ssl->saved_write_handler) { |
| 610 | |
| 509 | 611 c->write->handler = c->ssl->saved_write_handler; |
| 473 | 612 c->ssl->saved_write_handler = NULL; |
| 613 c->write->ready = 1; | |
| 614 | |
| 615 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 616 return NGX_ERROR; | |
| 617 } | |
| 618 | |
| 563 | 619 ngx_post_event(c->write, &ngx_posted_events); |
| 473 | 620 } |
| 621 | |
| 489 | 622 return NGX_OK; |
|
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623 } |
|
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624 |
| 543 | 625 sslerr = SSL_get_error(c->ssl->connection, n); |
|
395
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626 |
|
396
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395
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627 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
|
393
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|
628 |
|
396
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629 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
|
393
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|
630 |
|
395
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631 if (sslerr == SSL_ERROR_WANT_READ) { |
| 455 | 632 c->read->ready = 0; |
|
393
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633 return NGX_AGAIN; |
|
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634 } |
|
394
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635 |
|
445
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444
diff
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|
636 if (sslerr == SSL_ERROR_WANT_WRITE) { |
| 539 | 637 |
| 547 | 638 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
| 577 | 639 "peer started SSL renegotiation"); |
| 473 | 640 |
| 641 c->write->ready = 0; | |
| 642 | |
| 643 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 644 return NGX_ERROR; | |
| 645 } | |
| 646 | |
| 647 /* | |
| 648 * we do not set the timer because there is already the read event timer | |
| 649 */ | |
| 650 | |
| 651 if (c->ssl->saved_write_handler == NULL) { | |
| 509 | 652 c->ssl->saved_write_handler = c->write->handler; |
| 653 c->write->handler = ngx_ssl_write_handler; | |
| 473 | 654 } |
| 655 | |
|
393
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656 return NGX_AGAIN; |
|
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657 } |
|
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|
658 |
| 547 | 659 c->ssl->no_wait_shutdown = 1; |
| 660 c->ssl->no_send_shutdown = 1; | |
| 589 | 661 c->read->eof = 1; |
|
396
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395
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|
662 |
|
395
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663 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
| 577 | 664 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 665 "peer shutdown SSL cleanly"); | |
| 666 return NGX_DONE; | |
|
393
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667 } |
|
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|
668 |
| 591 | 669 c->read->error = 1; |
| 547 | 670 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed"); |
|
393
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671 |
|
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672 return NGX_ERROR; |
|
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673 } |
|
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|
674 |
|
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|
675 |
| 489 | 676 static void |
| 677 ngx_ssl_write_handler(ngx_event_t *wev) | |
| 473 | 678 { |
| 679 ngx_connection_t *c; | |
| 680 | |
| 681 c = wev->data; | |
| 547 | 682 |
| 509 | 683 c->read->handler(c->read); |
| 473 | 684 } |
| 685 | |
| 686 | |
|
398
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397
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|
687 /* |
|
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397
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688 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
| 473 | 689 * before the SSL_write() call to decrease a SSL overhead. |
|
398
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690 * |
|
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691 * Besides for protocols such as HTTP it is possible to always buffer |
|
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692 * the output to decrease a SSL overhead some more. |
|
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693 */ |
|
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694 |
| 489 | 695 ngx_chain_t * |
| 696 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
|
394
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697 { |
|
397
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698 int n; |
|
399
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699 ngx_uint_t flush; |
|
397
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700 ssize_t send, size; |
|
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701 ngx_buf_t *buf; |
|
394
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|
702 |
| 597 | 703 if (!c->ssl->buffer |
| 704 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED))) | |
| 705 { | |
|
395
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706 |
|
397
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|
707 /* |
| 577 | 708 * we avoid a buffer copy if |
| 709 * we do not need to buffer the output | |
| 710 * or the incoming buf is a single and our buffer is empty | |
|
397
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711 */ |
|
395
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|
712 |
| 577 | 713 while (in) { |
| 714 if (ngx_buf_special(in->buf)) { | |
| 715 in = in->next; | |
| 716 continue; | |
| 717 } | |
|
397
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|
718 |
| 577 | 719 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
| 720 | |
| 721 if (n == NGX_ERROR) { | |
| 722 return NGX_CHAIN_ERROR; | |
| 723 } | |
|
398
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724 |
| 577 | 725 if (n == NGX_AGAIN) { |
| 597 | 726 c->buffered |= NGX_SSL_BUFFERED; |
| 577 | 727 return in; |
| 728 } | |
| 729 | |
| 730 in->buf->pos += n; | |
| 731 | |
| 732 if (in->buf->pos == in->buf->last) { | |
| 733 in = in->next; | |
| 734 } | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
735 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
736 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
737 return in; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
738 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
739 |
| 473 | 740 |
| 741 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
| 742 | |
| 743 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
| 744 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
| 745 } | |
| 746 | |
| 747 | |
| 577 | 748 buf = c->ssl->buf; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
749 send = 0; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
750 flush = (in == NULL) ? 1 : 0; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
751 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
752 for ( ;; ) { |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
753 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
754 while (in && buf->last < buf->end) { |
| 583 | 755 if (in->buf->last_buf || in->buf->flush) { |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
756 flush = 1; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
757 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
758 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
759 if (ngx_buf_special(in->buf)) { |
|
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
760 in = in->next; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
761 continue; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
762 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
763 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
764 size = in->buf->last - in->buf->pos; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
765 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
766 if (size > buf->end - buf->last) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
767 size = buf->end - buf->last; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
768 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
769 |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
770 if (send + size > limit) { |
| 577 | 771 size = (ssize_t) (limit - send); |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
772 flush = 1; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
773 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
774 |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
775 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
776 "SSL buf copy: %d", size); |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
777 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
778 ngx_memcpy(buf->last, in->buf->pos, size); |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
779 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
780 buf->last += size; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
781 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
782 in->buf->pos += size; |
| 577 | 783 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
784 if (in->buf->pos == in->buf->last) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
785 in = in->next; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
786 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
787 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
788 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
789 size = buf->last - buf->pos; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
790 |
|
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
791 if (!flush && buf->last < buf->end && c->ssl->buffer) { |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
792 break; |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
793 } |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
794 |
|
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
795 n = ngx_ssl_write(c, buf->pos, size); |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
796 |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
797 if (n == NGX_ERROR) { |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
798 return NGX_CHAIN_ERROR; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
799 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
800 |
| 511 | 801 if (n == NGX_AGAIN) { |
| 597 | 802 c->buffered |= NGX_SSL_BUFFERED; |
| 511 | 803 return in; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
804 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
805 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
806 buf->pos += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
807 send += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
808 c->sent += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
809 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
810 if (n < size) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
811 break; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
812 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
813 |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
814 if (buf->pos == buf->last) { |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
815 buf->pos = buf->start; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
816 buf->last = buf->start; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
817 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
818 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
819 if (in == NULL || send == limit) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
820 break; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
821 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
822 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
823 |
| 597 | 824 if (buf->pos < buf->last) { |
| 825 c->buffered |= NGX_SSL_BUFFERED; | |
| 826 | |
| 827 } else { | |
| 828 c->buffered &= ~NGX_SSL_BUFFERED; | |
| 829 } | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
830 |
|
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
831 return in; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
832 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
833 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
834 |
| 539 | 835 ssize_t |
| 489 | 836 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size) |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
837 { |
| 547 | 838 int n, sslerr; |
| 839 ngx_err_t err; | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
840 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
841 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size); |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
842 |
| 543 | 843 n = SSL_write(c->ssl->connection, data, size); |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
844 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
845 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n); |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
846 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
847 if (n > 0) { |
| 539 | 848 |
| 473 | 849 if (c->ssl->saved_read_handler) { |
| 850 | |
| 509 | 851 c->read->handler = c->ssl->saved_read_handler; |
| 473 | 852 c->ssl->saved_read_handler = NULL; |
| 853 c->read->ready = 1; | |
| 854 | |
| 855 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 856 return NGX_ERROR; | |
| 857 } | |
| 858 | |
| 563 | 859 ngx_post_event(c->read, &ngx_posted_events); |
| 473 | 860 } |
| 861 | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
862 return n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
863 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
864 |
| 543 | 865 sslerr = SSL_get_error(c->ssl->connection, n); |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
866 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
867 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
868 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
869 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
870 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
871 if (sslerr == SSL_ERROR_WANT_WRITE) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
872 c->write->ready = 0; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
873 return NGX_AGAIN; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
874 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
875 |
|
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
876 if (sslerr == SSL_ERROR_WANT_READ) { |
| 452 | 877 |
| 547 | 878 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
| 577 | 879 "peer started SSL renegotiation"); |
| 473 | 880 |
| 881 c->read->ready = 0; | |
| 882 | |
| 883 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 884 return NGX_ERROR; | |
| 885 } | |
| 886 | |
| 887 /* | |
| 888 * we do not set the timer because there is already | |
| 889 * the write event timer | |
| 890 */ | |
| 891 | |
| 892 if (c->ssl->saved_read_handler == NULL) { | |
| 509 | 893 c->ssl->saved_read_handler = c->read->handler; |
| 894 c->read->handler = ngx_ssl_read_handler; | |
| 473 | 895 } |
| 896 | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
897 return NGX_AGAIN; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
898 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
899 |
| 547 | 900 c->ssl->no_wait_shutdown = 1; |
| 901 c->ssl->no_send_shutdown = 1; | |
| 591 | 902 c->write->error = 1; |
| 543 | 903 |
| 547 | 904 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed"); |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
905 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
906 return NGX_ERROR; |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
907 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
908 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
909 |
| 489 | 910 static void |
| 911 ngx_ssl_read_handler(ngx_event_t *rev) | |
| 473 | 912 { |
| 913 ngx_connection_t *c; | |
| 914 | |
| 915 c = rev->data; | |
| 547 | 916 |
| 509 | 917 c->write->handler(c->write); |
| 473 | 918 } |
| 919 | |
| 920 | |
| 489 | 921 ngx_int_t |
| 922 ngx_ssl_shutdown(ngx_connection_t *c) | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
923 { |
| 473 | 924 int n, sslerr, mode; |
| 591 | 925 ngx_err_t err; |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
926 ngx_uint_t again; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
927 |
| 577 | 928 if (c->timedout) { |
| 547 | 929 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN; |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
930 |
| 547 | 931 } else { |
| 932 mode = SSL_get_shutdown(c->ssl->connection); | |
| 473 | 933 |
| 547 | 934 if (c->ssl->no_wait_shutdown) { |
| 935 mode |= SSL_RECEIVED_SHUTDOWN; | |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
936 } |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
937 |
| 547 | 938 if (c->ssl->no_send_shutdown) { |
| 939 mode |= SSL_SENT_SHUTDOWN; | |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
940 } |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
941 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
942 |
| 547 | 943 SSL_set_shutdown(c->ssl->connection, mode); |
| 944 | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
945 again = 0; |
| 461 | 946 sslerr = 0; |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
947 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
948 for ( ;; ) { |
| 543 | 949 n = SSL_shutdown(c->ssl->connection); |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
950 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
951 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n); |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
952 |
| 577 | 953 if (n == 1 || (n == 0 && c->timedout)) { |
| 543 | 954 SSL_free(c->ssl->connection); |
| 473 | 955 c->ssl = NULL; |
| 543 | 956 |
| 473 | 957 return NGX_OK; |
| 958 } | |
| 959 | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
960 if (n == 0) { |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
961 again = 1; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
962 break; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
963 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
964 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
965 break; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
966 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
967 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
968 if (!again) { |
| 543 | 969 sslerr = SSL_get_error(c->ssl->connection, n); |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
970 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
971 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
972 "SSL_get_error: %d", sslerr); |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
973 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
974 |
| 589 | 975 if (again |
| 976 || sslerr == SSL_ERROR_WANT_READ | |
| 977 || sslerr == SSL_ERROR_WANT_WRITE) | |
| 978 { | |
| 577 | 979 c->read->handler = ngx_ssl_shutdown_handler; |
| 589 | 980 c->write->handler = ngx_ssl_shutdown_handler; |
| 577 | 981 |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
982 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
983 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
984 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
985 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
986 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
987 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
988 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
989 |
| 589 | 990 if (again || sslerr == SSL_ERROR_WANT_READ) { |
| 991 ngx_add_timer(c->read, 30000); | |
| 992 } | |
| 993 | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
994 return NGX_AGAIN; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
995 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
996 |
| 591 | 997 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
| 998 | |
| 999 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed"); | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1000 |
| 543 | 1001 SSL_free(c->ssl->connection); |
| 1002 c->ssl = NULL; | |
| 1003 | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1004 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1005 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1006 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1007 |
| 547 | 1008 static void |
| 577 | 1009 ngx_ssl_shutdown_handler(ngx_event_t *ev) |
| 1010 { | |
| 1011 ngx_connection_t *c; | |
| 1012 ngx_connection_handler_pt handler; | |
| 1013 | |
| 1014 c = ev->data; | |
| 1015 handler = c->ssl->handler; | |
| 1016 | |
| 1017 if (ev->timedout) { | |
| 1018 c->timedout = 1; | |
| 1019 } | |
| 1020 | |
| 1021 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, "SSL shutdown handler"); | |
| 1022 | |
| 1023 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1024 return; | |
| 1025 } | |
| 1026 | |
| 1027 handler(c); | |
| 1028 } | |
| 1029 | |
| 1030 | |
| 1031 static void | |
| 547 | 1032 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err, |
| 1033 char *text) | |
| 1034 { | |
| 1035 ngx_uint_t level; | |
| 1036 | |
| 1037 level = NGX_LOG_CRIT; | |
| 1038 | |
| 1039 if (sslerr == SSL_ERROR_SYSCALL) { | |
| 1040 | |
| 1041 if (err == NGX_ECONNRESET | |
| 1042 || err == NGX_EPIPE | |
| 1043 || err == NGX_ENOTCONN | |
| 589 | 1044 #if !(NGX_CRIT_ETIMEDOUT) |
| 1045 || err == NGX_ETIMEDOUT | |
| 1046 #endif | |
| 547 | 1047 || err == NGX_ECONNREFUSED |
| 1048 || err == NGX_EHOSTUNREACH) | |
| 1049 { | |
| 1050 switch (c->log_error) { | |
| 1051 | |
| 1052 case NGX_ERROR_IGNORE_ECONNRESET: | |
| 1053 case NGX_ERROR_INFO: | |
| 1054 level = NGX_LOG_INFO; | |
| 1055 break; | |
| 1056 | |
| 1057 case NGX_ERROR_ERR: | |
| 1058 level = NGX_LOG_ERR; | |
| 1059 break; | |
| 1060 | |
| 1061 default: | |
| 1062 break; | |
| 1063 } | |
| 1064 } | |
| 1065 } | |
| 1066 | |
| 1067 ngx_ssl_error(level, c->log, err, text); | |
| 1068 } | |
| 1069 | |
| 1070 | |
| 583 | 1071 void ngx_cdecl |
| 489 | 1072 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...) |
| 577 | 1073 { |
| 547 | 1074 u_long n; |
| 1075 va_list args; | |
| 461 | 1076 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
| 1077 | |
| 1078 last = errstr + NGX_MAX_CONF_ERRSTR; | |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1079 |
|
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1080 va_start(args, fmt); |
| 461 | 1081 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args); |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1082 va_end(args); |
|
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1083 |
| 547 | 1084 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p); |
| 1085 | |
| 583 | 1086 while (p < last) { |
| 1087 | |
| 1088 n = ERR_get_error(); | |
| 1089 | |
| 1090 if (n == 0) { | |
| 1091 break; | |
| 1092 } | |
| 547 | 1093 |
| 1094 *p++ = ' '; | |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1095 |
| 547 | 1096 ERR_error_string_n(n, (char *) p, last - p); |
| 1097 | |
| 1098 while (p < last && *p) { | |
| 1099 p++; | |
| 1100 } | |
| 1101 } | |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1102 |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
1103 ngx_log_error(level, log, err, "%s)", errstr); |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1104 } |
| 509 | 1105 |
| 1106 | |
| 1107 void | |
| 1108 ngx_ssl_cleanup_ctx(void *data) | |
| 1109 { | |
| 589 | 1110 ngx_ssl_t *ssl = data; |
| 509 | 1111 |
| 589 | 1112 SSL_CTX_free(ssl->ctx); |
| 509 | 1113 } |
| 541 | 1114 |
| 1115 | |
| 671 | 1116 ngx_int_t |
| 1117 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
| 611 | 1118 { |
| 671 | 1119 s->data = (u_char *) SSL_get_version(c->ssl->connection); |
| 1120 return NGX_OK; | |
| 611 | 1121 } |
| 1122 | |
| 1123 | |
| 671 | 1124 ngx_int_t |
| 1125 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
| 611 | 1126 { |
| 671 | 1127 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection); |
| 1128 return NGX_OK; | |
| 611 | 1129 } |
| 1130 | |
| 1131 | |
| 647 | 1132 ngx_int_t |
| 1133 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
| 1134 { | |
| 1135 char *p; | |
| 1136 size_t len; | |
| 1137 X509 *cert; | |
| 1138 X509_NAME *name; | |
| 1139 | |
| 1140 s->len = 0; | |
| 1141 | |
| 1142 cert = SSL_get_peer_certificate(c->ssl->connection); | |
| 1143 if (cert == NULL) { | |
| 1144 return NGX_OK; | |
| 1145 } | |
| 1146 | |
| 1147 name = X509_get_subject_name(cert); | |
| 1148 if (name == NULL) { | |
| 1149 return NGX_ERROR; | |
| 1150 } | |
| 1151 | |
| 1152 p = X509_NAME_oneline(name, NULL, 0); | |
| 1153 | |
| 1154 for (len = 0; p[len]; len++) { /* void */ } | |
| 1155 | |
| 1156 s->len = len; | |
| 1157 s->data = ngx_palloc(pool, len); | |
| 1158 if (s->data == NULL) { | |
| 1159 OPENSSL_free(p); | |
| 1160 return NGX_ERROR; | |
| 1161 } | |
| 1162 | |
| 1163 ngx_memcpy(s->data, p, len); | |
| 1164 | |
| 1165 OPENSSL_free(p); | |
| 1166 | |
| 1167 return NGX_OK; | |
| 1168 } | |
| 1169 | |
| 1170 | |
| 1171 ngx_int_t | |
| 1172 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
| 1173 { | |
| 1174 char *p; | |
| 1175 size_t len; | |
| 1176 X509 *cert; | |
| 1177 X509_NAME *name; | |
| 1178 | |
| 1179 s->len = 0; | |
| 1180 | |
| 1181 cert = SSL_get_peer_certificate(c->ssl->connection); | |
| 1182 if (cert == NULL) { | |
| 1183 return NGX_OK; | |
| 1184 } | |
| 1185 | |
| 1186 name = X509_get_issuer_name(cert); | |
| 1187 if (name == NULL) { | |
| 1188 return NGX_ERROR; | |
| 1189 } | |
| 1190 | |
| 1191 p = X509_NAME_oneline(name, NULL, 0); | |
| 1192 | |
| 1193 for (len = 0; p[len]; len++) { /* void */ } | |
| 1194 | |
| 1195 s->len = len; | |
| 1196 s->data = ngx_palloc(pool, len); | |
| 1197 if (s->data == NULL) { | |
| 1198 OPENSSL_free(p); | |
| 1199 return NGX_ERROR; | |
| 1200 } | |
| 1201 | |
| 1202 ngx_memcpy(s->data, p, len); | |
| 1203 | |
| 1204 OPENSSL_free(p); | |
| 1205 | |
| 1206 return NGX_OK; | |
| 1207 } | |
| 1208 | |
| 1209 | |
| 671 | 1210 ngx_int_t |
| 1211 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
| 1212 { | |
| 1213 size_t len; | |
| 1214 X509 *cert; | |
| 1215 BIO *bio; | |
| 1216 | |
| 1217 s->len = 0; | |
| 1218 | |
| 1219 cert = SSL_get_peer_certificate(c->ssl->connection); | |
| 1220 if (cert == NULL) { | |
| 1221 return NGX_OK; | |
| 1222 } | |
| 1223 | |
| 1224 bio = BIO_new(BIO_s_mem()); | |
| 1225 if (bio == NULL) { | |
| 1226 return NGX_ERROR; | |
| 1227 } | |
| 1228 | |
| 1229 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert)); | |
| 1230 len = BIO_pending(bio); | |
| 1231 | |
| 1232 s->len = len; | |
| 1233 s->data = ngx_palloc(pool, len); | |
| 1234 if (s->data == NULL) { | |
| 1235 BIO_free(bio); | |
| 1236 return NGX_ERROR; | |
| 1237 } | |
| 1238 | |
| 1239 BIO_read(bio, s->data, len); | |
| 1240 BIO_free(bio); | |
| 1241 | |
| 1242 return NGX_OK; | |
| 1243 } | |
| 1244 | |
| 1245 | |
| 541 | 1246 static void * |
| 1247 ngx_openssl_create_conf(ngx_cycle_t *cycle) | |
| 1248 { | |
| 1249 ngx_openssl_conf_t *oscf; | |
| 577 | 1250 |
| 541 | 1251 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t)); |
| 1252 if (oscf == NULL) { | |
| 1253 return NGX_CONF_ERROR; | |
| 1254 } | |
| 577 | 1255 |
| 541 | 1256 /* |
| 1257 * set by ngx_pcalloc(): | |
| 577 | 1258 * |
| 541 | 1259 * oscf->engine.len = 0; |
| 1260 * oscf->engine.data = NULL; | |
| 577 | 1261 */ |
| 541 | 1262 |
| 1263 return oscf; | |
| 1264 } | |
| 1265 | |
| 1266 | |
| 1267 static char * | |
| 1268 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf) | |
| 1269 { | |
| 1270 #if (NGX_SSL_ENGINE) | |
| 1271 ngx_openssl_conf_t *oscf = conf; | |
| 571 | 1272 |
| 541 | 1273 ENGINE *engine; |
| 1274 | |
| 1275 if (oscf->engine.len == 0) { | |
| 1276 return NGX_CONF_OK; | |
| 1277 } | |
| 577 | 1278 |
| 541 | 1279 engine = ENGINE_by_id((const char *) oscf->engine.data); |
| 1280 | |
| 1281 if (engine == NULL) { | |
| 1282 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
| 1283 "ENGINE_by_id(\"%V\") failed", &oscf->engine); | |
| 1284 return NGX_CONF_ERROR; | |
| 1285 } | |
| 1286 | |
| 1287 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) { | |
| 1288 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
| 1289 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed", | |
| 1290 &oscf->engine); | |
| 1291 return NGX_CONF_ERROR; | |
| 1292 } | |
| 1293 | |
| 1294 ENGINE_free(engine); | |
| 1295 | |
| 1296 #endif | |
| 1297 | |
| 1298 return NGX_CONF_OK; | |
| 1299 } | |
| 1300 | |
| 1301 | |
| 1302 #if !(NGX_SSL_ENGINE) | |
| 1303 | |
| 1304 static char * | |
| 1305 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1306 { | |
| 1307 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 563 | 1308 "\"ssl_engine\" directive is available only in " |
| 1309 "OpenSSL 0.9.7 and higher,"); | |
| 541 | 1310 |
| 1311 return NGX_CONF_ERROR; | |
| 1312 } | |
| 1313 | |
| 1314 #endif | |
| 571 | 1315 |
| 1316 | |
| 1317 static void | |
| 1318 ngx_openssl_exit(ngx_cycle_t *cycle) | |
| 1319 { | |
| 1320 #if (NGX_SSL_ENGINE) | |
| 1321 ENGINE_cleanup(); | |
| 1322 #endif | |
| 1323 } |