Mercurial > hg > nginx
annotate src/event/ngx_event_openssl.c @ 993:1b9a4d92173f
pass the inherited shm_zone data
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 09 Jan 2007 15:59:20 +0000 |
parents | 5595e47d4f17 |
children | 7dd987e09701 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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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> |
393
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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); | |
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25 |
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26 static ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, |
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27 void *data); |
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28 static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, |
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29 ngx_ssl_session_t *sess); |
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30 static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, |
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31 u_char *id, int len, int *copy); |
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32 static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess); |
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33 static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache, |
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34 ngx_slab_pool_t *shpool, ngx_uint_t n); |
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35 |
541 | 36 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle); |
37 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf); | |
571 | 38 static void ngx_openssl_exit(ngx_cycle_t *cycle); |
541 | 39 |
40 #if !(NGX_SSL_ENGINE) | |
41 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, | |
42 void *conf); | |
43 #endif | |
44 | |
45 | |
46 static ngx_command_t ngx_openssl_commands[] = { | |
47 | |
48 { ngx_string("ssl_engine"), | |
49 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
50 #if (NGX_SSL_ENGINE) | |
51 ngx_conf_set_str_slot, | |
52 #else | |
53 ngx_openssl_noengine, | |
54 #endif | |
55 0, | |
56 offsetof(ngx_openssl_conf_t, engine), | |
57 NULL }, | |
58 | |
59 ngx_null_command | |
60 }; | |
61 | |
62 | |
63 static ngx_core_module_t ngx_openssl_module_ctx = { | |
64 ngx_string("openssl"), | |
65 ngx_openssl_create_conf, | |
66 ngx_openssl_init_conf | |
577 | 67 }; |
541 | 68 |
69 | |
70 ngx_module_t ngx_openssl_module = { | |
71 NGX_MODULE_V1, | |
72 &ngx_openssl_module_ctx, /* module context */ | |
73 ngx_openssl_commands, /* module directives */ | |
74 NGX_CORE_MODULE, /* module type */ | |
75 NULL, /* init master */ | |
76 NULL, /* init module */ | |
77 NULL, /* init process */ | |
78 NULL, /* init thread */ | |
79 NULL, /* exit thread */ | |
80 NULL, /* exit process */ | |
571 | 81 ngx_openssl_exit, /* exit master */ |
541 | 82 NGX_MODULE_V1_PADDING |
547 | 83 }; |
84 | |
85 | |
86 static long ngx_ssl_protocols[] = { | |
87 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
88 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
89 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1, | |
90 SSL_OP_NO_TLSv1, | |
91 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3, | |
92 SSL_OP_NO_SSLv3, | |
93 SSL_OP_NO_SSLv2, | |
94 0, | |
95 }; | |
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97 |
969 | 98 int ngx_ssl_connection_index; |
99 int ngx_ssl_server_conf_index; | |
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100 int ngx_ssl_session_cache_index; |
671 | 101 |
102 | |
489 | 103 ngx_int_t |
104 ngx_ssl_init(ngx_log_t *log) | |
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105 { |
968 | 106 #if OPENSSL_VERSION_NUMBER >= 0x00907000 |
107 OPENSSL_config(NULL); | |
108 #endif | |
109 | |
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110 SSL_library_init(); |
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111 SSL_load_error_strings(); |
541 | 112 |
113 #if (NGX_SSL_ENGINE) | |
479 | 114 ENGINE_load_builtin_engines(); |
541 | 115 #endif |
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116 |
969 | 117 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL); |
671 | 118 |
969 | 119 if (ngx_ssl_connection_index == -1) { |
671 | 120 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed"); |
121 return NGX_ERROR; | |
122 } | |
123 | |
969 | 124 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, |
125 NULL); | |
126 if (ngx_ssl_server_conf_index == -1) { | |
127 ngx_ssl_error(NGX_LOG_ALERT, log, 0, | |
128 "SSL_CTX_get_ex_new_index() failed"); | |
129 return NGX_ERROR; | |
130 } | |
131 | |
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132 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, |
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133 NULL); |
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134 if (ngx_ssl_session_cache_index == -1) { |
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135 ngx_ssl_error(NGX_LOG_ALERT, log, 0, |
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136 "SSL_CTX_get_ex_new_index() failed"); |
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137 return NGX_ERROR; |
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138 } |
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139 |
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140 return NGX_OK; |
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141 } |
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142 |
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143 |
489 | 144 ngx_int_t |
969 | 145 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data) |
547 | 146 { |
577 | 147 ssl->ctx = SSL_CTX_new(SSLv23_method()); |
547 | 148 |
149 if (ssl->ctx == NULL) { | |
150 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed"); | |
151 return NGX_ERROR; | |
152 } | |
153 | |
969 | 154 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) { |
155 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
156 "SSL_CTX_set_ex_data() failed"); | |
157 return NGX_ERROR; | |
158 } | |
159 | |
577 | 160 /* client side options */ |
161 | |
162 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG); | |
163 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG); | |
164 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG); | |
165 | |
166 /* server side options */ | |
563 | 167 |
168 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG); | |
169 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER); | |
170 | |
171 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */ | |
172 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING); | |
173 | |
174 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG); | |
175 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG); | |
176 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG); | |
177 | |
178 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS | |
179 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS); | |
180 #endif | |
181 | |
547 | 182 |
183 if (ngx_ssl_protocols[protocols >> 1] != 0) { | |
184 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]); | |
185 } | |
186 | |
187 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); | |
188 | |
189 SSL_CTX_set_read_ahead(ssl->ctx, 1); | |
190 | |
191 return NGX_OK; | |
192 } | |
193 | |
194 | |
195 ngx_int_t | |
563 | 196 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
197 ngx_str_t *key) | |
547 | 198 { |
563 | 199 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
547 | 200 return NGX_ERROR; |
201 } | |
202 | |
563 | 203 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data) |
547 | 204 == 0) |
205 { | |
206 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
563 | 207 "SSL_CTX_use_certificate_chain_file(\"%s\") failed", |
208 cert->data); | |
209 return NGX_ERROR; | |
210 } | |
211 | |
212 if (ngx_conf_full_name(cf->cycle, key) == NGX_ERROR) { | |
213 return NGX_ERROR; | |
214 } | |
215 | |
216 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data, | |
647 | 217 SSL_FILETYPE_PEM) |
218 == 0) | |
563 | 219 { |
220 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
221 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data); | |
547 | 222 return NGX_ERROR; |
223 } | |
224 | |
225 return NGX_OK; | |
226 } | |
227 | |
228 | |
229 ngx_int_t | |
671 | 230 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
231 ngx_int_t depth) | |
647 | 232 { |
671 | 233 STACK_OF(X509_NAME) *list; |
234 | |
235 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback); | |
236 | |
237 SSL_CTX_set_verify_depth(ssl->ctx, depth); | |
238 | |
239 if (cert->len == 0) { | |
240 return NGX_OK; | |
241 } | |
242 | |
647 | 243 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
244 return NGX_ERROR; | |
245 } | |
246 | |
247 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL) | |
248 == 0) | |
249 { | |
250 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
251 "SSL_CTX_load_verify_locations(\"%s\") failed", | |
252 cert->data); | |
253 return NGX_ERROR; | |
254 } | |
255 | |
671 | 256 list = SSL_load_client_CA_file((char *) cert->data); |
257 | |
258 if (list == NULL) { | |
259 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
260 "SSL_load_client_CA_file(\"%s\") failed", cert->data); | |
261 return NGX_ERROR; | |
262 } | |
263 | |
264 /* | |
265 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file() | |
266 * always leaved an error in the error queue | |
267 */ | |
268 | |
269 ERR_clear_error(); | |
270 | |
271 SSL_CTX_set_client_CA_list(ssl->ctx, list); | |
272 | |
647 | 273 return NGX_OK; |
274 } | |
275 | |
276 | |
671 | 277 static int |
278 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store) | |
279 { | |
280 char *subject, *issuer; | |
281 int err, depth; | |
282 X509 *cert; | |
283 X509_NAME *name; | |
284 ngx_connection_t *c; | |
285 ngx_ssl_conn_t *ssl_conn; | |
286 | |
287 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store, | |
288 SSL_get_ex_data_X509_STORE_CTX_idx()); | |
289 | |
290 c = ngx_ssl_get_connection(ssl_conn); | |
291 | |
292 cert = X509_STORE_CTX_get_current_cert(x509_store); | |
293 err = X509_STORE_CTX_get_error(x509_store); | |
294 depth = X509_STORE_CTX_get_error_depth(x509_store); | |
295 | |
296 name = X509_get_subject_name(cert); | |
297 subject = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
298 | |
299 name = X509_get_issuer_name(cert); | |
300 issuer = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
301 | |
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302 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0, |
671 | 303 "verify:%d, error:%d, depth:%d, " |
304 "subject:\"%s\",issuer: \"%s\"", | |
305 ok, err, depth, subject, issuer); | |
306 | |
307 return 1; | |
308 } | |
309 | |
310 | |
647 | 311 ngx_int_t |
547 | 312 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl) |
313 { | |
671 | 314 RSA *key; |
315 | |
559 | 316 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) { |
317 return NGX_OK; | |
318 } | |
319 | |
671 | 320 key = RSA_generate_key(512, RSA_F4, NULL, NULL); |
547 | 321 |
671 | 322 if (key) { |
323 SSL_CTX_set_tmp_rsa(ssl->ctx, key); | |
324 | |
325 RSA_free(key); | |
326 | |
547 | 327 return NGX_OK; |
328 } | |
329 | |
330 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed"); | |
331 | |
332 return NGX_ERROR; | |
333 } | |
334 | |
335 | |
336 ngx_int_t | |
337 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags) | |
577 | 338 { |
547 | 339 ngx_ssl_connection_t *sc; |
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340 |
547 | 341 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t)); |
342 if (sc == NULL) { | |
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343 return NGX_ERROR; |
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344 } |
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345 |
543 | 346 if (flags & NGX_SSL_BUFFER) { |
547 | 347 sc->buffer = 1; |
543 | 348 |
547 | 349 sc->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE); |
350 if (sc->buf == NULL) { | |
543 | 351 return NGX_ERROR; |
352 } | |
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353 } |
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354 |
547 | 355 sc->connection = SSL_new(ssl->ctx); |
395
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356 |
547 | 357 if (sc->connection == NULL) { |
395
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358 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
393
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359 return NGX_ERROR; |
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360 } |
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361 |
547 | 362 if (SSL_set_fd(sc->connection, c->fd) == 0) { |
395
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363 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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364 return NGX_ERROR; |
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365 } |
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366 |
577 | 367 if (flags & NGX_SSL_CLIENT) { |
368 SSL_set_connect_state(sc->connection); | |
369 | |
370 } else { | |
371 SSL_set_accept_state(sc->connection); | |
372 } | |
393
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373 |
969 | 374 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) { |
671 | 375 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed"); |
376 return NGX_ERROR; | |
377 } | |
378 | |
547 | 379 c->ssl = sc; |
393
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380 |
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381 return NGX_OK; |
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382 } |
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383 |
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384 |
547 | 385 ngx_int_t |
577 | 386 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session) |
387 { | |
388 if (session) { | |
389 if (SSL_set_session(c->ssl->connection, session) == 0) { | |
390 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed"); | |
391 return NGX_ERROR; | |
392 } | |
393 } | |
394 | |
395 return NGX_OK; | |
396 } | |
397 | |
398 | |
399 ngx_int_t | |
547 | 400 ngx_ssl_handshake(ngx_connection_t *c) |
401 { | |
402 int n, sslerr; | |
403 ngx_err_t err; | |
404 | |
405 n = SSL_do_handshake(c->ssl->connection); | |
406 | |
577 | 407 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
547 | 408 |
409 if (n == 1) { | |
410 | |
411 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
412 return NGX_ERROR; | |
413 } | |
414 | |
415 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
416 return NGX_ERROR; | |
417 } | |
418 | |
419 #if (NGX_DEBUG) | |
420 { | |
421 char buf[129], *s, *d; | |
422 SSL_CIPHER *cipher; | |
423 | |
424 cipher = SSL_get_current_cipher(c->ssl->connection); | |
425 | |
426 if (cipher) { | |
427 SSL_CIPHER_description(cipher, &buf[1], 128); | |
428 | |
429 for (s = &buf[1], d = buf; *s; s++) { | |
430 if (*s == ' ' && *d == ' ') { | |
431 continue; | |
432 } | |
433 | |
434 if (*s == LF || *s == CR) { | |
435 continue; | |
436 } | |
437 | |
438 *++d = *s; | |
439 } | |
440 | |
441 if (*d != ' ') { | |
442 d++; | |
443 } | |
444 | |
445 *d = '\0'; | |
446 | |
583 | 447 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
547 | 448 "SSL: %s, cipher: \"%s\"", |
577 | 449 SSL_get_version(c->ssl->connection), &buf[1]); |
547 | 450 |
451 if (SSL_session_reused(c->ssl->connection)) { | |
583 | 452 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
547 | 453 "SSL reused session"); |
454 } | |
455 | |
456 } else { | |
457 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
577 | 458 "SSL no shared ciphers"); |
547 | 459 } |
460 } | |
461 #endif | |
462 | |
463 c->ssl->handshaked = 1; | |
464 | |
465 c->recv = ngx_ssl_recv; | |
466 c->send = ngx_ssl_write; | |
577 | 467 c->recv_chain = ngx_ssl_recv_chain; |
468 c->send_chain = ngx_ssl_send_chain; | |
547 | 469 |
470 return NGX_OK; | |
471 } | |
472 | |
473 sslerr = SSL_get_error(c->ssl->connection, n); | |
474 | |
475 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); | |
476 | |
477 if (sslerr == SSL_ERROR_WANT_READ) { | |
478 c->read->ready = 0; | |
479 c->read->handler = ngx_ssl_handshake_handler; | |
591 | 480 c->write->handler = ngx_ssl_handshake_handler; |
547 | 481 |
482 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
483 return NGX_ERROR; | |
484 } | |
485 | |
486 return NGX_AGAIN; | |
487 } | |
488 | |
489 if (sslerr == SSL_ERROR_WANT_WRITE) { | |
490 c->write->ready = 0; | |
591 | 491 c->read->handler = ngx_ssl_handshake_handler; |
547 | 492 c->write->handler = ngx_ssl_handshake_handler; |
493 | |
494 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
495 return NGX_ERROR; | |
496 } | |
497 | |
498 return NGX_AGAIN; | |
499 } | |
500 | |
501 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; | |
502 | |
503 c->ssl->no_wait_shutdown = 1; | |
504 c->ssl->no_send_shutdown = 1; | |
591 | 505 c->read->eof = 1; |
547 | 506 |
507 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { | |
508 ngx_log_error(NGX_LOG_INFO, c->log, err, | |
577 | 509 "peer closed connection in SSL handshake"); |
547 | 510 |
511 return NGX_ERROR; | |
512 } | |
513 | |
591 | 514 c->read->error = 1; |
515 | |
547 | 516 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed"); |
517 | |
518 return NGX_ERROR; | |
519 } | |
520 | |
521 | |
522 static void | |
523 ngx_ssl_handshake_handler(ngx_event_t *ev) | |
524 { | |
525 ngx_connection_t *c; | |
526 | |
527 c = ev->data; | |
528 | |
549 | 529 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
577 | 530 "SSL handshake handler: %d", ev->write); |
547 | 531 |
591 | 532 if (ev->timedout) { |
533 c->ssl->handler(c); | |
534 return; | |
535 } | |
536 | |
547 | 537 if (ngx_ssl_handshake(c) == NGX_AGAIN) { |
538 return; | |
539 } | |
540 | |
541 c->ssl->handler(c); | |
542 } | |
543 | |
544 | |
489 | 545 ssize_t |
577 | 546 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl) |
547 { | |
548 ssize_t n, bytes; | |
549 ngx_buf_t *b; | |
550 | |
551 bytes = 0; | |
552 | |
553 while (cl) { | |
554 b = cl->buf; | |
555 | |
556 n = ngx_ssl_recv(c, b->last, b->end - b->last); | |
557 | |
558 if (n > 0) { | |
559 b->last += n; | |
560 bytes += n; | |
561 | |
562 if (b->last == b->end) { | |
563 cl = cl->next; | |
564 } | |
565 | |
566 continue; | |
567 } | |
568 | |
569 if (bytes) { | |
570 return bytes; | |
571 } | |
572 | |
573 return n; | |
574 } | |
575 | |
576 return bytes; | |
577 } | |
578 | |
579 | |
580 ssize_t | |
489 | 581 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) |
393
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582 { |
489 | 583 int n, bytes; |
584 | |
585 if (c->ssl->last == NGX_ERROR) { | |
586 return NGX_ERROR; | |
587 } | |
588 | |
577 | 589 if (c->ssl->last == NGX_DONE) { |
590 return 0; | |
591 } | |
592 | |
489 | 593 bytes = 0; |
393
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594 |
489 | 595 /* |
596 * SSL_read() may return data in parts, so try to read | |
597 * until SSL_read() would return no data | |
598 */ | |
599 | |
600 for ( ;; ) { | |
393
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601 |
543 | 602 n = SSL_read(c->ssl->connection, buf, size); |
489 | 603 |
577 | 604 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); |
393
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605 |
489 | 606 if (n > 0) { |
607 bytes += n; | |
608 } | |
609 | |
610 c->ssl->last = ngx_ssl_handle_recv(c, n); | |
611 | |
612 if (c->ssl->last != NGX_OK) { | |
479 | 613 |
489 | 614 if (bytes) { |
615 return bytes; | |
577 | 616 } |
489 | 617 |
577 | 618 if (c->ssl->last == NGX_DONE) { |
619 return 0; | |
479 | 620 } |
577 | 621 |
622 return c->ssl->last; | |
479 | 623 } |
624 | |
489 | 625 size -= n; |
626 | |
627 if (size == 0) { | |
628 return bytes; | |
629 } | |
630 | |
631 buf += n; | |
632 } | |
633 } | |
634 | |
635 | |
636 static ngx_int_t | |
637 ngx_ssl_handle_recv(ngx_connection_t *c, int n) | |
638 { | |
547 | 639 int sslerr; |
640 ngx_err_t err; | |
489 | 641 |
642 if (n > 0) { | |
479 | 643 |
473 | 644 if (c->ssl->saved_write_handler) { |
645 | |
509 | 646 c->write->handler = c->ssl->saved_write_handler; |
473 | 647 c->ssl->saved_write_handler = NULL; |
648 c->write->ready = 1; | |
649 | |
650 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
651 return NGX_ERROR; | |
652 } | |
653 | |
563 | 654 ngx_post_event(c->write, &ngx_posted_events); |
473 | 655 } |
656 | |
489 | 657 return NGX_OK; |
393
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658 } |
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659 |
543 | 660 sslerr = SSL_get_error(c->ssl->connection, n); |
395
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661 |
396
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662 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
393
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663 |
396
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664 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
393
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665 |
395
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666 if (sslerr == SSL_ERROR_WANT_READ) { |
455 | 667 c->read->ready = 0; |
393
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668 return NGX_AGAIN; |
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669 } |
394
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parents:
393
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670 |
445
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444
diff
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671 if (sslerr == SSL_ERROR_WANT_WRITE) { |
539 | 672 |
547 | 673 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
577 | 674 "peer started SSL renegotiation"); |
473 | 675 |
676 c->write->ready = 0; | |
677 | |
678 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
679 return NGX_ERROR; | |
680 } | |
681 | |
682 /* | |
683 * we do not set the timer because there is already the read event timer | |
684 */ | |
685 | |
686 if (c->ssl->saved_write_handler == NULL) { | |
509 | 687 c->ssl->saved_write_handler = c->write->handler; |
688 c->write->handler = ngx_ssl_write_handler; | |
473 | 689 } |
690 | |
393
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691 return NGX_AGAIN; |
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692 } |
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693 |
547 | 694 c->ssl->no_wait_shutdown = 1; |
695 c->ssl->no_send_shutdown = 1; | |
589 | 696 c->read->eof = 1; |
396
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395
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697 |
395
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698 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
577 | 699 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
700 "peer shutdown SSL cleanly"); | |
701 return NGX_DONE; | |
393
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702 } |
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703 |
591 | 704 c->read->error = 1; |
547 | 705 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed"); |
393
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706 |
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707 return NGX_ERROR; |
5659d773cfa8
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708 } |
5659d773cfa8
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|
709 |
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|
710 |
489 | 711 static void |
712 ngx_ssl_write_handler(ngx_event_t *wev) | |
473 | 713 { |
714 ngx_connection_t *c; | |
715 | |
716 c = wev->data; | |
547 | 717 |
509 | 718 c->read->handler(c->read); |
473 | 719 } |
720 | |
721 | |
398
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397
diff
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722 /* |
201b5f68b59f
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parents:
397
diff
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|
723 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
473 | 724 * before the SSL_write() call to decrease a SSL overhead. |
398
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397
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725 * |
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397
diff
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726 * Besides for protocols such as HTTP it is possible to always buffer |
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397
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727 * the output to decrease a SSL overhead some more. |
201b5f68b59f
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parents:
397
diff
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|
728 */ |
201b5f68b59f
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397
diff
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|
729 |
489 | 730 ngx_chain_t * |
731 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
394
e7a68e14ccd3
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parents:
393
diff
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|
732 { |
397
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396
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733 int n; |
399
4e21d1291a14
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parents:
398
diff
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|
734 ngx_uint_t flush; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
735 ssize_t send, size; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
736 ngx_buf_t *buf; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
737 |
597 | 738 if (!c->ssl->buffer |
739 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED))) | |
740 { | |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
741 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
742 /* |
577 | 743 * we avoid a buffer copy if |
744 * we do not need to buffer the output | |
745 * or the incoming buf is a single and our buffer is empty | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
746 */ |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
747 |
577 | 748 while (in) { |
749 if (ngx_buf_special(in->buf)) { | |
750 in = in->next; | |
751 continue; | |
752 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
753 |
577 | 754 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
755 | |
756 if (n == NGX_ERROR) { | |
757 return NGX_CHAIN_ERROR; | |
758 } | |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
759 |
577 | 760 if (n == NGX_AGAIN) { |
597 | 761 c->buffered |= NGX_SSL_BUFFERED; |
577 | 762 return in; |
763 } | |
764 | |
765 in->buf->pos += n; | |
766 | |
767 if (in->buf->pos == in->buf->last) { | |
768 in = in->next; | |
769 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
770 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
771 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
772 return in; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
773 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
774 |
473 | 775 |
776 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
777 | |
778 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
779 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
780 } | |
781 | |
782 | |
577 | 783 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
|
784 send = 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
785 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
|
786 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
787 for ( ;; ) { |
395
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 while (in && buf->last < buf->end) { |
583 | 790 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
|
791 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
792 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
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 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
|
795 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
|
796 continue; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
797 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
798 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
799 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
|
800 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
801 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
|
802 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
|
803 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
804 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
805 if (send + size > limit) { |
577 | 806 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
|
807 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
808 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
809 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
810 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
|
811 "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
|
812 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
813 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
|
814 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
815 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
|
816 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
817 in->buf->pos += size; |
577 | 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->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
|
820 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
|
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 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
824 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
|
825 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
826 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
|
827 break; |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
828 } |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
829 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
830 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
|
831 |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
832 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
|
833 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
|
834 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
835 |
511 | 836 if (n == NGX_AGAIN) { |
597 | 837 c->buffered |= NGX_SSL_BUFFERED; |
511 | 838 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
839 } |
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 buf->pos += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
842 send += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
843 c->sent += n; |
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 if (n < size) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
846 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
847 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
848 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
849 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
|
850 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
|
851 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
|
852 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
853 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
854 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
|
855 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
856 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
857 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
858 |
597 | 859 if (buf->pos < buf->last) { |
860 c->buffered |= NGX_SSL_BUFFERED; | |
861 | |
862 } else { | |
863 c->buffered &= ~NGX_SSL_BUFFERED; | |
864 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
865 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
866 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
867 } |
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 |
539 | 870 ssize_t |
489 | 871 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
|
872 { |
547 | 873 int n, sslerr; |
874 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
|
875 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
876 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
|
877 |
543 | 878 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
|
879 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
880 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
|
881 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
882 if (n > 0) { |
539 | 883 |
473 | 884 if (c->ssl->saved_read_handler) { |
885 | |
509 | 886 c->read->handler = c->ssl->saved_read_handler; |
473 | 887 c->ssl->saved_read_handler = NULL; |
888 c->read->ready = 1; | |
889 | |
890 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
891 return NGX_ERROR; | |
892 } | |
893 | |
563 | 894 ngx_post_event(c->read, &ngx_posted_events); |
473 | 895 } |
896 | |
397
de797f3b4c27
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396
diff
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|
897 return n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
898 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
899 |
543 | 900 sslerr = SSL_get_error(c->ssl->connection, n); |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
901 |
de797f3b4c27
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parents:
396
diff
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|
902 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
903 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
904 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
905 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
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|
906 if (sslerr == SSL_ERROR_WANT_WRITE) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
907 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
|
908 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
909 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
910 |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
911 if (sslerr == SSL_ERROR_WANT_READ) { |
452 | 912 |
547 | 913 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
577 | 914 "peer started SSL renegotiation"); |
473 | 915 |
916 c->read->ready = 0; | |
917 | |
918 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
919 return NGX_ERROR; | |
920 } | |
921 | |
922 /* | |
923 * we do not set the timer because there is already | |
924 * the write event timer | |
925 */ | |
926 | |
927 if (c->ssl->saved_read_handler == NULL) { | |
509 | 928 c->ssl->saved_read_handler = c->read->handler; |
929 c->read->handler = ngx_ssl_read_handler; | |
473 | 930 } |
931 | |
397
de797f3b4c27
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parents:
396
diff
changeset
|
932 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
933 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
934 |
547 | 935 c->ssl->no_wait_shutdown = 1; |
936 c->ssl->no_send_shutdown = 1; | |
591 | 937 c->write->error = 1; |
543 | 938 |
547 | 939 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
|
940 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
941 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
|
942 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
943 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
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parents:
393
diff
changeset
|
944 |
489 | 945 static void |
946 ngx_ssl_read_handler(ngx_event_t *rev) | |
473 | 947 { |
948 ngx_connection_t *c; | |
949 | |
950 c = rev->data; | |
547 | 951 |
509 | 952 c->write->handler(c->write); |
473 | 953 } |
954 | |
955 | |
489 | 956 ngx_int_t |
957 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
|
958 { |
473 | 959 int n, sslerr, mode; |
591 | 960 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
|
961 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
|
962 |
577 | 963 if (c->timedout) { |
547 | 964 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
|
965 |
547 | 966 } else { |
967 mode = SSL_get_shutdown(c->ssl->connection); | |
473 | 968 |
547 | 969 if (c->ssl->no_wait_shutdown) { |
970 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
|
971 } |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
972 |
547 | 973 if (c->ssl->no_send_shutdown) { |
974 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
|
975 } |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
976 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
977 |
547 | 978 SSL_set_shutdown(c->ssl->connection, mode); |
979 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
980 again = 0; |
461 | 981 sslerr = 0; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
982 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
983 for ( ;; ) { |
543 | 984 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
|
985 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
986 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
|
987 |
577 | 988 if (n == 1 || (n == 0 && c->timedout)) { |
543 | 989 SSL_free(c->ssl->connection); |
473 | 990 c->ssl = NULL; |
543 | 991 |
473 | 992 return NGX_OK; |
993 } | |
994 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
995 if (n == 0) { |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
996 again = 1; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
997 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
998 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
999 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1000 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1001 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1002 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1003 if (!again) { |
543 | 1004 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
|
1005 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
1006 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
|
1007 "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
|
1008 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1009 |
589 | 1010 if (again |
1011 || sslerr == SSL_ERROR_WANT_READ | |
1012 || sslerr == SSL_ERROR_WANT_WRITE) | |
1013 { | |
577 | 1014 c->read->handler = ngx_ssl_shutdown_handler; |
589 | 1015 c->write->handler = ngx_ssl_shutdown_handler; |
577 | 1016 |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1017 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
|
1018 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1019 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1020 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1021 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
|
1022 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1023 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1024 |
589 | 1025 if (again || sslerr == SSL_ERROR_WANT_READ) { |
1026 ngx_add_timer(c->read, 30000); | |
1027 } | |
1028 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1029 return NGX_AGAIN; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1030 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1031 |
591 | 1032 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
1033 | |
1034 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
|
1035 |
543 | 1036 SSL_free(c->ssl->connection); |
1037 c->ssl = NULL; | |
1038 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1039 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1040 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1041 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
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parents:
393
diff
changeset
|
1042 |
547 | 1043 static void |
577 | 1044 ngx_ssl_shutdown_handler(ngx_event_t *ev) |
1045 { | |
1046 ngx_connection_t *c; | |
1047 ngx_connection_handler_pt handler; | |
1048 | |
1049 c = ev->data; | |
1050 handler = c->ssl->handler; | |
1051 | |
1052 if (ev->timedout) { | |
1053 c->timedout = 1; | |
1054 } | |
1055 | |
974
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1056 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler"); |
577 | 1057 |
1058 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1059 return; | |
1060 } | |
1061 | |
1062 handler(c); | |
1063 } | |
1064 | |
1065 | |
1066 static void | |
547 | 1067 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err, |
1068 char *text) | |
1069 { | |
1070 ngx_uint_t level; | |
1071 | |
1072 level = NGX_LOG_CRIT; | |
1073 | |
1074 if (sslerr == SSL_ERROR_SYSCALL) { | |
1075 | |
1076 if (err == NGX_ECONNRESET | |
1077 || err == NGX_EPIPE | |
1078 || err == NGX_ENOTCONN | |
589 | 1079 #if !(NGX_CRIT_ETIMEDOUT) |
1080 || err == NGX_ETIMEDOUT | |
1081 #endif | |
547 | 1082 || err == NGX_ECONNREFUSED |
1083 || err == NGX_EHOSTUNREACH) | |
1084 { | |
1085 switch (c->log_error) { | |
1086 | |
1087 case NGX_ERROR_IGNORE_ECONNRESET: | |
1088 case NGX_ERROR_INFO: | |
1089 level = NGX_LOG_INFO; | |
1090 break; | |
1091 | |
1092 case NGX_ERROR_ERR: | |
1093 level = NGX_LOG_ERR; | |
1094 break; | |
1095 | |
1096 default: | |
1097 break; | |
1098 } | |
1099 } | |
1100 } | |
1101 | |
1102 ngx_ssl_error(level, c->log, err, text); | |
1103 } | |
1104 | |
1105 | |
583 | 1106 void ngx_cdecl |
489 | 1107 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...) |
577 | 1108 { |
547 | 1109 u_long n; |
1110 va_list args; | |
461 | 1111 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
1112 | |
1113 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
|
1114 |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1115 va_start(args, fmt); |
461 | 1116 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
|
1117 va_end(args); |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1118 |
547 | 1119 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p); |
1120 | |
583 | 1121 while (p < last) { |
1122 | |
1123 n = ERR_get_error(); | |
1124 | |
1125 if (n == 0) { | |
1126 break; | |
1127 } | |
547 | 1128 |
1129 *p++ = ' '; | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1130 |
547 | 1131 ERR_error_string_n(n, (char *) p, last - p); |
1132 | |
1133 while (p < last && *p) { | |
1134 p++; | |
1135 } | |
1136 } | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1137 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
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|
1138 ngx_log_error(level, log, err, "%s)", errstr); |
393
5659d773cfa8
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1139 } |
509 | 1140 |
1141 | |
974
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1142 ngx_int_t |
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1143 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx, |
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1144 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout) |
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1145 { |
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1146 long cache_mode; |
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1147 |
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1148 cache_mode = SSL_SESS_CACHE_SERVER; |
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1149 |
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1150 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) { |
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1151 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL; |
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1152 } |
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1153 |
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1154 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode); |
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1155 |
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1156 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len); |
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1157 |
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1158 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) { |
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1159 |
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1160 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) { |
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1161 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache); |
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1162 } |
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1163 |
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1164 SSL_CTX_set_timeout(ssl->ctx, timeout); |
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1165 } |
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1166 |
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1167 if (shm_zone) { |
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1168 shm_zone->init = ngx_ssl_session_cache_init; |
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1169 |
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1170 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session); |
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1171 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session); |
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1172 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session); |
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1173 |
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1174 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone) |
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1175 == 0) |
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1176 { |
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1177 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, |
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|
1178 "SSL_CTX_set_ex_data() failed"); |
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1179 return NGX_ERROR; |
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1180 } |
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1181 } |
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1182 |
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1183 return NGX_OK; |
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1184 } |
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1185 |
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1186 |
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|
1187 static ngx_int_t |
993
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|
1188 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data) |
974
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1189 { |
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1190 ngx_slab_pool_t *shpool; |
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1191 ngx_rbtree_node_t *sentinel; |
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1192 ngx_ssl_session_cache_t *cache; |
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1193 |
993
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|
1194 if (data) { |
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1195 shm_zone->data = data; |
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1196 return NGX_OK; |
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1197 } |
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1198 |
974
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1199 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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1200 |
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1201 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t)); |
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1202 if (cache == NULL) { |
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1203 return NGX_ERROR; |
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1204 } |
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1205 |
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1206 cache->session_cache_head.prev = NULL; |
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1207 cache->session_cache_head.next = &cache->session_cache_tail; |
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1208 |
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1209 cache->session_cache_tail.prev = &cache->session_cache_head; |
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1210 cache->session_cache_tail.next = NULL; |
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1211 |
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1212 cache->session_rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t)); |
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1213 if (cache->session_rbtree == NULL) { |
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1214 return NGX_ERROR; |
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1215 } |
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1216 |
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1217 sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t)); |
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1218 if (sentinel == NULL) { |
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1219 return NGX_ERROR; |
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1220 } |
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1221 |
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1222 ngx_rbtree_sentinel_init(sentinel); |
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1223 |
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1224 cache->session_rbtree->root = sentinel; |
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1225 cache->session_rbtree->sentinel = sentinel; |
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1226 cache->session_rbtree->insert = ngx_rbtree_insert_value; |
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1227 |
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|
1228 shm_zone->data = cache; |
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1229 |
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1230 return NGX_OK; |
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1231 } |
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|
1232 |
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|
1233 |
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|
1234 /* |
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1235 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow, |
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|
1236 * so they are outside the code locked by shared pool mutex |
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|
1237 */ |
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|
1238 |
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|
1239 static int |
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|
1240 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess) |
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1241 { |
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|
1242 int len; |
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|
1243 u_char *p, *id; |
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|
1244 uint32_t hash; |
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|
1245 SSL_CTX *ssl_ctx; |
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|
1246 ngx_time_t *tp; |
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|
1247 ngx_shm_zone_t *shm_zone; |
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|
1248 ngx_connection_t *c; |
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changeset
|
1249 ngx_slab_pool_t *shpool; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1250 ngx_ssl_sess_id_t *sess_id; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1251 ngx_ssl_cached_sess_t *cached_sess; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1252 ngx_ssl_session_cache_t *cache; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1253 u_char buf[NGX_SSL_MAX_SESSION_SIZE]; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1254 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1255 len = i2d_SSL_SESSION(sess, NULL); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1256 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1257 /* do not cache too big session */ |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1258 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1259 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1260 return 0; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1261 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1262 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1263 p = buf; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1264 i2d_SSL_SESSION(sess, &p); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1265 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1266 c = ngx_ssl_get_connection(ssl_conn); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1267 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1268 ssl_ctx = SSL_get_SSL_CTX(ssl_conn); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1269 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1270 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1271 cache = shm_zone->data; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1272 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1273 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1274 ngx_shmtx_lock(&shpool->mutex); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1275 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1276 /* drop one or two expired sessions */ |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1277 ngx_ssl_expire_sessions(cache, shpool, 1); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1278 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1279 cached_sess = ngx_slab_alloc_locked(shpool, |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1280 offsetof(ngx_ssl_cached_sess_t, asn1) + len); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1281 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1282 if (cached_sess == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1283 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1284 /* drop the oldest non-expired session and try once more */ |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1285 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1286 ngx_ssl_expire_sessions(cache, shpool, 0); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1287 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1288 cached_sess = ngx_slab_alloc_locked(shpool, |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1289 offsetof(ngx_ssl_cached_sess_t, asn1) + len); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1290 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1291 if (cached_sess == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1292 id = NULL; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1293 goto failed; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1294 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1295 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1296 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1297 id = ngx_slab_alloc_locked(shpool, sess->session_id_length); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1298 if (id == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1299 goto failed; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1300 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1301 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1302 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t)); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1303 if (sess_id == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1304 goto failed; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1305 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1306 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1307 ngx_memcpy(&cached_sess->asn1[0], buf, len); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1308 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1309 ngx_memcpy(id, sess->session_id, sess->session_id_length); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1310 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1311 hash = ngx_crc32_short(sess->session_id, sess->session_id_length); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1312 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1313 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1314 "http ssl new session: %08XD:%d:%d", |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1315 hash, sess->session_id_length, len); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1316 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1317 sess_id->node.key = hash; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1318 sess_id->node.data = (u_char) sess->session_id_length; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1319 sess_id->id = id; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1320 sess_id->len = len; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1321 sess_id->session = cached_sess; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1322 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1323 tp = ngx_timeofday(); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1324 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1325 cached_sess->expire = tp->sec + SSL_CTX_get_timeout(ssl_ctx); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1326 cached_sess->sess_id = sess_id; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1327 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1328 cached_sess->next = cache->session_cache_head.next; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1329 cached_sess->next->prev = cached_sess; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1330 cached_sess->prev = &cache->session_cache_head; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1331 cache->session_cache_head.next = cached_sess; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1332 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1333 ngx_rbtree_insert(cache->session_rbtree, &sess_id->node); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1334 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1335 ngx_shmtx_unlock(&shpool->mutex); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1336 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1337 return 0; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1338 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1339 failed: |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1340 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1341 if (cached_sess) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1342 ngx_slab_free_locked(shpool, cached_sess); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1343 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1344 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1345 if (id) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1346 ngx_slab_free_locked(shpool, id); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1347 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1348 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1349 ngx_shmtx_unlock(&shpool->mutex); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1350 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1351 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1352 "could not add new SSL session to the session cache"); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1353 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1354 return 0; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1355 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1356 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1357 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1358 static ngx_ssl_session_t * |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1359 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len, |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
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|
1360 int *copy) |
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1361 { |
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1362 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL |
974
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1363 const |
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1364 #endif |
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1365 u_char *p; |
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1366 uint32_t hash; |
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1367 ngx_time_t *tp; |
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1368 ngx_shm_zone_t *shm_zone; |
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1369 ngx_slab_pool_t *shpool; |
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1370 ngx_connection_t *c; |
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1371 ngx_rbtree_node_t *node, *sentinel; |
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1372 ngx_ssl_session_t *sess; |
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1373 ngx_ssl_sess_id_t *sess_id; |
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1374 ngx_ssl_cached_sess_t *cached_sess; |
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1375 ngx_ssl_session_cache_t *cache; |
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1376 u_char buf[NGX_SSL_MAX_SESSION_SIZE]; |
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1377 |
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1378 c = ngx_ssl_get_connection(ssl_conn); |
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1379 |
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1380 hash = ngx_crc32_short(id, len); |
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1381 *copy = 0; |
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1382 |
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1383 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1384 "http ssl get session: %08XD:%d", hash, len); |
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1385 |
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1386 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn), |
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1387 ngx_ssl_session_cache_index); |
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1388 |
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1389 cache = shm_zone->data; |
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1390 |
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1391 if (cache->session_rbtree == NULL) { |
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1392 return NULL; |
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1393 } |
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1394 |
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1395 sess = NULL; |
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1396 |
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1397 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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1398 |
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1399 ngx_shmtx_lock(&shpool->mutex); |
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1400 |
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1401 node = cache->session_rbtree->root; |
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1402 sentinel = cache->session_rbtree->sentinel; |
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1403 |
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1404 while (node != sentinel) { |
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1405 |
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1406 if (hash < node->key) { |
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1407 node = node->left; |
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1408 continue; |
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1409 } |
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1410 |
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1411 if (hash > node->key) { |
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1412 node = node->right; |
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1413 continue; |
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1414 } |
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1415 |
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1416 if (hash == node->key && (u_char) len == node->data) { |
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1417 sess_id = (ngx_ssl_sess_id_t *) node; |
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1418 |
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1419 if (ngx_strncmp(id, sess_id->id, len) == 0) { |
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1420 |
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1421 cached_sess = sess_id->session; |
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1422 |
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1423 tp = ngx_timeofday(); |
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|
1424 |
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1425 if (cached_sess->expire > tp->sec) { |
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1426 ngx_memcpy(buf, &cached_sess->asn1[0], sess_id->len); |
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1427 |
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1428 ngx_shmtx_unlock(&shpool->mutex); |
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|
1429 |
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1430 p = buf; |
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1431 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len); |
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|
1432 |
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1433 return sess; |
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1434 } |
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|
1435 |
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|
1436 cached_sess->next->prev = cached_sess->prev; |
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1437 cached_sess->prev->next = cached_sess->next; |
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|
1438 |
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1439 ngx_rbtree_delete(cache->session_rbtree, node); |
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|
1440 |
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1441 ngx_slab_free_locked(shpool, cached_sess); |
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1442 ngx_slab_free_locked(shpool, sess_id->id); |
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1443 ngx_slab_free_locked(shpool, sess_id); |
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1444 |
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1445 sess = NULL; |
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|
1446 |
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|
1447 break; |
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1448 } |
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1449 } |
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1450 |
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1451 node = node->right; |
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1452 } |
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|
1453 |
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1454 ngx_shmtx_unlock(&shpool->mutex); |
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|
1455 |
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1456 return sess; |
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1457 } |
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|
1458 |
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|
1459 |
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|
1460 static void |
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1461 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess) |
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1462 { |
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|
1463 u_char *id, len; |
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|
1464 uint32_t hash; |
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1465 ngx_shm_zone_t *shm_zone; |
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1466 ngx_slab_pool_t *shpool; |
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|
1467 ngx_rbtree_node_t *node, *sentinel; |
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1468 ngx_ssl_sess_id_t *sess_id; |
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|
1469 ngx_ssl_cached_sess_t *cached_sess; |
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|
1470 ngx_ssl_session_cache_t *cache; |
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1471 |
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|
1472 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index); |
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1473 |
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|
1474 cache = shm_zone->data; |
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|
1475 |
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|
1476 id = sess->session_id; |
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1477 len = (u_char) sess->session_id_length; |
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|
1478 |
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1479 hash = ngx_crc32_short(id, (size_t) len); |
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1480 |
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|
1481 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
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|
1482 "http ssl remove session: %08XD:%d", hash, len); |
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|
1483 |
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|
1484 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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|
1485 |
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|
1486 ngx_shmtx_lock(&shpool->mutex); |
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|
1487 |
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|
1488 node = cache->session_rbtree->root; |
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1489 sentinel = cache->session_rbtree->sentinel; |
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1490 |
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1491 while (node != sentinel) { |
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|
1492 |
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|
1493 if (hash < node->key) { |
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1494 node = node->left; |
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1495 continue; |
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|
1496 } |
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|
1497 |
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|
1498 if (hash > node->key) { |
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|
1499 node = node->right; |
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|
1500 continue; |
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|
1501 } |
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|
1502 |
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|
1503 if (hash == node->key && len == node->data) { |
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|
1504 sess_id = (ngx_ssl_sess_id_t *) node; |
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|
1505 |
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|
1506 if (ngx_strncmp(id, sess_id->id, (size_t) len) == 0) { |
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|
1507 |
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|
1508 cached_sess = sess_id->session; |
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|
1509 |
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|
1510 cached_sess->next->prev = cached_sess->prev; |
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|
1511 cached_sess->prev->next = cached_sess->next; |
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|
1512 |
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|
1513 ngx_rbtree_delete(cache->session_rbtree, node); |
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|
1514 |
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|
1515 ngx_slab_free_locked(shpool, cached_sess); |
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|
1516 ngx_slab_free_locked(shpool, sess_id->id); |
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|
1517 ngx_slab_free_locked(shpool, sess_id); |
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|
1518 |
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|
1519 break; |
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1520 } |
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1521 } |
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|
1522 |
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1523 node = node->right; |
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1524 } |
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|
1525 |
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|
1526 ngx_shmtx_unlock(&shpool->mutex); |
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1527 } |
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1528 |
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|
1529 |
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|
1530 static void |
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1531 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache, |
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1532 ngx_slab_pool_t *shpool, ngx_uint_t n) |
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1533 { |
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1534 ngx_time_t *tp; |
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|
1535 ngx_ssl_sess_id_t *sess_id; |
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|
1536 ngx_ssl_cached_sess_t *sess; |
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|
1537 |
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1538 tp = ngx_timeofday(); |
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|
1539 |
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|
1540 while (n < 3) { |
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|
1541 |
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|
1542 sess = cache->session_cache_tail.prev; |
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changeset
|
1543 |
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|
1544 if (sess == &cache->session_cache_head) { |
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|
1545 return; |
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|
1546 } |
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|
1547 |
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1548 if (n++ != 0 && sess->expire > tp->sec) { |
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|
1549 break; |
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1550 } |
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|
1551 |
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1552 sess->next->prev = sess->prev; |
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1553 sess->prev->next = sess->next; |
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|
1554 |
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1555 sess_id = sess->sess_id; |
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changeset
|
1556 |
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|
1557 ngx_rbtree_delete(cache->session_rbtree, &sess_id->node); |
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|
1558 |
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|
1559 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
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changeset
|
1560 "expire session: %08Xi", sess_id->node.key); |
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|
1561 |
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|
1562 ngx_slab_free_locked(shpool, sess); |
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|
1563 ngx_slab_free_locked(shpool, sess_id->id); |
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|
1564 ngx_slab_free_locked(shpool, sess_id); |
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|
1565 } |
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|
1566 } |
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|
1567 |
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1568 |
509 | 1569 void |
1570 ngx_ssl_cleanup_ctx(void *data) | |
1571 { | |
589 | 1572 ngx_ssl_t *ssl = data; |
509 | 1573 |
589 | 1574 SSL_CTX_free(ssl->ctx); |
509 | 1575 } |
541 | 1576 |
1577 | |
671 | 1578 ngx_int_t |
1579 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
611 | 1580 { |
671 | 1581 s->data = (u_char *) SSL_get_version(c->ssl->connection); |
1582 return NGX_OK; | |
611 | 1583 } |
1584 | |
1585 | |
671 | 1586 ngx_int_t |
1587 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
611 | 1588 { |
671 | 1589 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection); |
1590 return NGX_OK; | |
611 | 1591 } |
1592 | |
1593 | |
647 | 1594 ngx_int_t |
1595 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1596 { | |
1597 char *p; | |
1598 size_t len; | |
1599 X509 *cert; | |
1600 X509_NAME *name; | |
1601 | |
1602 s->len = 0; | |
1603 | |
1604 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1605 if (cert == NULL) { | |
1606 return NGX_OK; | |
1607 } | |
1608 | |
1609 name = X509_get_subject_name(cert); | |
1610 if (name == NULL) { | |
1611 return NGX_ERROR; | |
1612 } | |
1613 | |
1614 p = X509_NAME_oneline(name, NULL, 0); | |
1615 | |
1616 for (len = 0; p[len]; len++) { /* void */ } | |
1617 | |
1618 s->len = len; | |
1619 s->data = ngx_palloc(pool, len); | |
1620 if (s->data == NULL) { | |
1621 OPENSSL_free(p); | |
1622 return NGX_ERROR; | |
1623 } | |
1624 | |
1625 ngx_memcpy(s->data, p, len); | |
1626 | |
1627 OPENSSL_free(p); | |
1628 | |
1629 return NGX_OK; | |
1630 } | |
1631 | |
1632 | |
1633 ngx_int_t | |
1634 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1635 { | |
1636 char *p; | |
1637 size_t len; | |
1638 X509 *cert; | |
1639 X509_NAME *name; | |
1640 | |
1641 s->len = 0; | |
1642 | |
1643 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1644 if (cert == NULL) { | |
1645 return NGX_OK; | |
1646 } | |
1647 | |
1648 name = X509_get_issuer_name(cert); | |
1649 if (name == NULL) { | |
1650 return NGX_ERROR; | |
1651 } | |
1652 | |
1653 p = X509_NAME_oneline(name, NULL, 0); | |
1654 | |
1655 for (len = 0; p[len]; len++) { /* void */ } | |
1656 | |
1657 s->len = len; | |
1658 s->data = ngx_palloc(pool, len); | |
1659 if (s->data == NULL) { | |
1660 OPENSSL_free(p); | |
1661 return NGX_ERROR; | |
1662 } | |
1663 | |
1664 ngx_memcpy(s->data, p, len); | |
1665 | |
1666 OPENSSL_free(p); | |
1667 | |
1668 return NGX_OK; | |
1669 } | |
1670 | |
1671 | |
671 | 1672 ngx_int_t |
1673 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1674 { | |
1675 size_t len; | |
1676 X509 *cert; | |
1677 BIO *bio; | |
1678 | |
1679 s->len = 0; | |
1680 | |
1681 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1682 if (cert == NULL) { | |
1683 return NGX_OK; | |
1684 } | |
1685 | |
1686 bio = BIO_new(BIO_s_mem()); | |
1687 if (bio == NULL) { | |
1688 return NGX_ERROR; | |
1689 } | |
1690 | |
1691 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert)); | |
1692 len = BIO_pending(bio); | |
1693 | |
1694 s->len = len; | |
1695 s->data = ngx_palloc(pool, len); | |
1696 if (s->data == NULL) { | |
1697 BIO_free(bio); | |
1698 return NGX_ERROR; | |
1699 } | |
1700 | |
1701 BIO_read(bio, s->data, len); | |
1702 BIO_free(bio); | |
1703 | |
1704 return NGX_OK; | |
1705 } | |
1706 | |
1707 | |
541 | 1708 static void * |
1709 ngx_openssl_create_conf(ngx_cycle_t *cycle) | |
1710 { | |
1711 ngx_openssl_conf_t *oscf; | |
577 | 1712 |
541 | 1713 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t)); |
1714 if (oscf == NULL) { | |
1715 return NGX_CONF_ERROR; | |
1716 } | |
577 | 1717 |
541 | 1718 /* |
1719 * set by ngx_pcalloc(): | |
577 | 1720 * |
541 | 1721 * oscf->engine.len = 0; |
1722 * oscf->engine.data = NULL; | |
577 | 1723 */ |
541 | 1724 |
1725 return oscf; | |
1726 } | |
1727 | |
1728 | |
1729 static char * | |
1730 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf) | |
1731 { | |
1732 #if (NGX_SSL_ENGINE) | |
1733 ngx_openssl_conf_t *oscf = conf; | |
571 | 1734 |
541 | 1735 ENGINE *engine; |
1736 | |
1737 if (oscf->engine.len == 0) { | |
1738 return NGX_CONF_OK; | |
1739 } | |
577 | 1740 |
541 | 1741 engine = ENGINE_by_id((const char *) oscf->engine.data); |
1742 | |
1743 if (engine == NULL) { | |
1744 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
1745 "ENGINE_by_id(\"%V\") failed", &oscf->engine); | |
1746 return NGX_CONF_ERROR; | |
1747 } | |
1748 | |
1749 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) { | |
1750 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
1751 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed", | |
1752 &oscf->engine); | |
1753 return NGX_CONF_ERROR; | |
1754 } | |
1755 | |
1756 ENGINE_free(engine); | |
1757 | |
1758 #endif | |
1759 | |
1760 return NGX_CONF_OK; | |
1761 } | |
1762 | |
1763 | |
1764 #if !(NGX_SSL_ENGINE) | |
1765 | |
1766 static char * | |
1767 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1768 { | |
1769 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
563 | 1770 "\"ssl_engine\" directive is available only in " |
1771 "OpenSSL 0.9.7 and higher,"); | |
541 | 1772 |
1773 return NGX_CONF_ERROR; | |
1774 } | |
1775 | |
1776 #endif | |
571 | 1777 |
1778 | |
1779 static void | |
1780 ngx_openssl_exit(ngx_cycle_t *cycle) | |
1781 { | |
1782 #if (NGX_SSL_ENGINE) | |
1783 ENGINE_cleanup(); | |
1784 #endif | |
1785 } |