Mercurial > hg > nginx
annotate src/event/ngx_event_openssl.c @ 984:dd128232e6ba
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 07 Jan 2007 17:47:17 +0000 |
parents | 8dfb3aa75de2 |
children | 5595e47d4f17 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
541 | 11 |
12 typedef struct { | |
13 ngx_str_t engine; | |
14 } ngx_openssl_conf_t; | |
479 | 15 |
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16 |
671 | 17 static int ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store); |
547 | 18 static void ngx_ssl_handshake_handler(ngx_event_t *ev); |
489 | 19 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n); |
473 | 20 static void ngx_ssl_write_handler(ngx_event_t *wev); |
21 static void ngx_ssl_read_handler(ngx_event_t *rev); | |
577 | 22 static void ngx_ssl_shutdown_handler(ngx_event_t *ev); |
547 | 23 static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, |
24 ngx_err_t err, char *text); | |
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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 static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, |
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28 ngx_ssl_session_t *sess); |
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29 static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, |
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30 u_char *id, int len, int *copy); |
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31 static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess); |
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32 static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache, |
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33 ngx_slab_pool_t *shpool, ngx_uint_t n); |
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34 |
541 | 35 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle); |
36 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf); | |
571 | 37 static void ngx_openssl_exit(ngx_cycle_t *cycle); |
541 | 38 |
39 #if !(NGX_SSL_ENGINE) | |
40 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, | |
41 void *conf); | |
42 #endif | |
43 | |
44 | |
45 static ngx_command_t ngx_openssl_commands[] = { | |
46 | |
47 { ngx_string("ssl_engine"), | |
48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
49 #if (NGX_SSL_ENGINE) | |
50 ngx_conf_set_str_slot, | |
51 #else | |
52 ngx_openssl_noengine, | |
53 #endif | |
54 0, | |
55 offsetof(ngx_openssl_conf_t, engine), | |
56 NULL }, | |
57 | |
58 ngx_null_command | |
59 }; | |
60 | |
61 | |
62 static ngx_core_module_t ngx_openssl_module_ctx = { | |
63 ngx_string("openssl"), | |
64 ngx_openssl_create_conf, | |
65 ngx_openssl_init_conf | |
577 | 66 }; |
541 | 67 |
68 | |
69 ngx_module_t ngx_openssl_module = { | |
70 NGX_MODULE_V1, | |
71 &ngx_openssl_module_ctx, /* module context */ | |
72 ngx_openssl_commands, /* module directives */ | |
73 NGX_CORE_MODULE, /* module type */ | |
74 NULL, /* init master */ | |
75 NULL, /* init module */ | |
76 NULL, /* init process */ | |
77 NULL, /* init thread */ | |
78 NULL, /* exit thread */ | |
79 NULL, /* exit process */ | |
571 | 80 ngx_openssl_exit, /* exit master */ |
541 | 81 NGX_MODULE_V1_PADDING |
547 | 82 }; |
83 | |
84 | |
85 static long ngx_ssl_protocols[] = { | |
86 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
87 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1, | |
88 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1, | |
89 SSL_OP_NO_TLSv1, | |
90 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3, | |
91 SSL_OP_NO_SSLv3, | |
92 SSL_OP_NO_SSLv2, | |
93 0, | |
94 }; | |
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96 |
969 | 97 int ngx_ssl_connection_index; |
98 int ngx_ssl_server_conf_index; | |
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99 int ngx_ssl_session_cache_index; |
671 | 100 |
101 | |
489 | 102 ngx_int_t |
103 ngx_ssl_init(ngx_log_t *log) | |
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104 { |
968 | 105 #if OPENSSL_VERSION_NUMBER >= 0x00907000 |
106 OPENSSL_config(NULL); | |
107 #endif | |
108 | |
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109 SSL_library_init(); |
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110 SSL_load_error_strings(); |
541 | 111 |
112 #if (NGX_SSL_ENGINE) | |
479 | 113 ENGINE_load_builtin_engines(); |
541 | 114 #endif |
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115 |
969 | 116 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL); |
671 | 117 |
969 | 118 if (ngx_ssl_connection_index == -1) { |
671 | 119 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed"); |
120 return NGX_ERROR; | |
121 } | |
122 | |
969 | 123 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, |
124 NULL); | |
125 if (ngx_ssl_server_conf_index == -1) { | |
126 ngx_ssl_error(NGX_LOG_ALERT, log, 0, | |
127 "SSL_CTX_get_ex_new_index() failed"); | |
128 return NGX_ERROR; | |
129 } | |
130 | |
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131 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, |
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132 NULL); |
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133 if (ngx_ssl_session_cache_index == -1) { |
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134 ngx_ssl_error(NGX_LOG_ALERT, log, 0, |
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135 "SSL_CTX_get_ex_new_index() failed"); |
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136 return NGX_ERROR; |
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137 } |
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138 |
393
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139 return NGX_OK; |
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140 } |
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141 |
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142 |
489 | 143 ngx_int_t |
969 | 144 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data) |
547 | 145 { |
577 | 146 ssl->ctx = SSL_CTX_new(SSLv23_method()); |
547 | 147 |
148 if (ssl->ctx == NULL) { | |
149 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed"); | |
150 return NGX_ERROR; | |
151 } | |
152 | |
969 | 153 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) { |
154 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
155 "SSL_CTX_set_ex_data() failed"); | |
156 return NGX_ERROR; | |
157 } | |
158 | |
577 | 159 /* client side options */ |
160 | |
161 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG); | |
162 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG); | |
163 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG); | |
164 | |
165 /* server side options */ | |
563 | 166 |
167 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG); | |
168 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER); | |
169 | |
170 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */ | |
171 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING); | |
172 | |
173 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG); | |
174 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG); | |
175 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG); | |
176 | |
177 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS | |
178 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS); | |
179 #endif | |
180 | |
547 | 181 |
182 if (ngx_ssl_protocols[protocols >> 1] != 0) { | |
183 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]); | |
184 } | |
185 | |
186 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); | |
187 | |
188 SSL_CTX_set_read_ahead(ssl->ctx, 1); | |
189 | |
190 return NGX_OK; | |
191 } | |
192 | |
193 | |
194 ngx_int_t | |
563 | 195 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
196 ngx_str_t *key) | |
547 | 197 { |
563 | 198 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
547 | 199 return NGX_ERROR; |
200 } | |
201 | |
563 | 202 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data) |
547 | 203 == 0) |
204 { | |
205 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
563 | 206 "SSL_CTX_use_certificate_chain_file(\"%s\") failed", |
207 cert->data); | |
208 return NGX_ERROR; | |
209 } | |
210 | |
211 if (ngx_conf_full_name(cf->cycle, key) == NGX_ERROR) { | |
212 return NGX_ERROR; | |
213 } | |
214 | |
215 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data, | |
647 | 216 SSL_FILETYPE_PEM) |
217 == 0) | |
563 | 218 { |
219 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
220 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data); | |
547 | 221 return NGX_ERROR; |
222 } | |
223 | |
224 return NGX_OK; | |
225 } | |
226 | |
227 | |
228 ngx_int_t | |
671 | 229 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, |
230 ngx_int_t depth) | |
647 | 231 { |
671 | 232 STACK_OF(X509_NAME) *list; |
233 | |
234 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback); | |
235 | |
236 SSL_CTX_set_verify_depth(ssl->ctx, depth); | |
237 | |
238 if (cert->len == 0) { | |
239 return NGX_OK; | |
240 } | |
241 | |
647 | 242 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) { |
243 return NGX_ERROR; | |
244 } | |
245 | |
246 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL) | |
247 == 0) | |
248 { | |
249 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
250 "SSL_CTX_load_verify_locations(\"%s\") failed", | |
251 cert->data); | |
252 return NGX_ERROR; | |
253 } | |
254 | |
671 | 255 list = SSL_load_client_CA_file((char *) cert->data); |
256 | |
257 if (list == NULL) { | |
258 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, | |
259 "SSL_load_client_CA_file(\"%s\") failed", cert->data); | |
260 return NGX_ERROR; | |
261 } | |
262 | |
263 /* | |
264 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file() | |
265 * always leaved an error in the error queue | |
266 */ | |
267 | |
268 ERR_clear_error(); | |
269 | |
270 SSL_CTX_set_client_CA_list(ssl->ctx, list); | |
271 | |
647 | 272 return NGX_OK; |
273 } | |
274 | |
275 | |
671 | 276 static int |
277 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store) | |
278 { | |
279 char *subject, *issuer; | |
280 int err, depth; | |
281 X509 *cert; | |
282 X509_NAME *name; | |
283 ngx_connection_t *c; | |
284 ngx_ssl_conn_t *ssl_conn; | |
285 | |
286 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store, | |
287 SSL_get_ex_data_X509_STORE_CTX_idx()); | |
288 | |
289 c = ngx_ssl_get_connection(ssl_conn); | |
290 | |
291 cert = X509_STORE_CTX_get_current_cert(x509_store); | |
292 err = X509_STORE_CTX_get_error(x509_store); | |
293 depth = X509_STORE_CTX_get_error_depth(x509_store); | |
294 | |
295 name = X509_get_subject_name(cert); | |
296 subject = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
297 | |
298 name = X509_get_issuer_name(cert); | |
299 issuer = name ? X509_NAME_oneline(name, NULL, 0) : "(none)"; | |
300 | |
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301 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0, |
671 | 302 "verify:%d, error:%d, depth:%d, " |
303 "subject:\"%s\",issuer: \"%s\"", | |
304 ok, err, depth, subject, issuer); | |
305 | |
306 return 1; | |
307 } | |
308 | |
309 | |
647 | 310 ngx_int_t |
547 | 311 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl) |
312 { | |
671 | 313 RSA *key; |
314 | |
559 | 315 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) { |
316 return NGX_OK; | |
317 } | |
318 | |
671 | 319 key = RSA_generate_key(512, RSA_F4, NULL, NULL); |
547 | 320 |
671 | 321 if (key) { |
322 SSL_CTX_set_tmp_rsa(ssl->ctx, key); | |
323 | |
324 RSA_free(key); | |
325 | |
547 | 326 return NGX_OK; |
327 } | |
328 | |
329 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed"); | |
330 | |
331 return NGX_ERROR; | |
332 } | |
333 | |
334 | |
335 ngx_int_t | |
336 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags) | |
577 | 337 { |
547 | 338 ngx_ssl_connection_t *sc; |
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339 |
547 | 340 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t)); |
341 if (sc == NULL) { | |
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342 return NGX_ERROR; |
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343 } |
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344 |
543 | 345 if (flags & NGX_SSL_BUFFER) { |
547 | 346 sc->buffer = 1; |
543 | 347 |
547 | 348 sc->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE); |
349 if (sc->buf == NULL) { | |
543 | 350 return NGX_ERROR; |
351 } | |
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352 } |
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353 |
547 | 354 sc->connection = SSL_new(ssl->ctx); |
395
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355 |
547 | 356 if (sc->connection == NULL) { |
395
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357 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
393
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358 return NGX_ERROR; |
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359 } |
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360 |
547 | 361 if (SSL_set_fd(sc->connection, c->fd) == 0) { |
395
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362 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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363 return NGX_ERROR; |
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364 } |
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365 |
577 | 366 if (flags & NGX_SSL_CLIENT) { |
367 SSL_set_connect_state(sc->connection); | |
368 | |
369 } else { | |
370 SSL_set_accept_state(sc->connection); | |
371 } | |
393
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372 |
969 | 373 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) { |
671 | 374 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed"); |
375 return NGX_ERROR; | |
376 } | |
377 | |
547 | 378 c->ssl = sc; |
393
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379 |
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380 return NGX_OK; |
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381 } |
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382 |
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383 |
547 | 384 ngx_int_t |
577 | 385 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session) |
386 { | |
387 if (session) { | |
388 if (SSL_set_session(c->ssl->connection, session) == 0) { | |
389 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed"); | |
390 return NGX_ERROR; | |
391 } | |
392 } | |
393 | |
394 return NGX_OK; | |
395 } | |
396 | |
397 | |
398 ngx_int_t | |
547 | 399 ngx_ssl_handshake(ngx_connection_t *c) |
400 { | |
401 int n, sslerr; | |
402 ngx_err_t err; | |
403 | |
404 n = SSL_do_handshake(c->ssl->connection); | |
405 | |
577 | 406 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
547 | 407 |
408 if (n == 1) { | |
409 | |
410 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
411 return NGX_ERROR; | |
412 } | |
413 | |
414 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
415 return NGX_ERROR; | |
416 } | |
417 | |
418 #if (NGX_DEBUG) | |
419 { | |
420 char buf[129], *s, *d; | |
421 SSL_CIPHER *cipher; | |
422 | |
423 cipher = SSL_get_current_cipher(c->ssl->connection); | |
424 | |
425 if (cipher) { | |
426 SSL_CIPHER_description(cipher, &buf[1], 128); | |
427 | |
428 for (s = &buf[1], d = buf; *s; s++) { | |
429 if (*s == ' ' && *d == ' ') { | |
430 continue; | |
431 } | |
432 | |
433 if (*s == LF || *s == CR) { | |
434 continue; | |
435 } | |
436 | |
437 *++d = *s; | |
438 } | |
439 | |
440 if (*d != ' ') { | |
441 d++; | |
442 } | |
443 | |
444 *d = '\0'; | |
445 | |
583 | 446 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
547 | 447 "SSL: %s, cipher: \"%s\"", |
577 | 448 SSL_get_version(c->ssl->connection), &buf[1]); |
547 | 449 |
450 if (SSL_session_reused(c->ssl->connection)) { | |
583 | 451 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
547 | 452 "SSL reused session"); |
453 } | |
454 | |
455 } else { | |
456 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
577 | 457 "SSL no shared ciphers"); |
547 | 458 } |
459 } | |
460 #endif | |
461 | |
462 c->ssl->handshaked = 1; | |
463 | |
464 c->recv = ngx_ssl_recv; | |
465 c->send = ngx_ssl_write; | |
577 | 466 c->recv_chain = ngx_ssl_recv_chain; |
467 c->send_chain = ngx_ssl_send_chain; | |
547 | 468 |
469 return NGX_OK; | |
470 } | |
471 | |
472 sslerr = SSL_get_error(c->ssl->connection, n); | |
473 | |
474 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); | |
475 | |
476 if (sslerr == SSL_ERROR_WANT_READ) { | |
477 c->read->ready = 0; | |
478 c->read->handler = ngx_ssl_handshake_handler; | |
591 | 479 c->write->handler = ngx_ssl_handshake_handler; |
547 | 480 |
481 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
482 return NGX_ERROR; | |
483 } | |
484 | |
485 return NGX_AGAIN; | |
486 } | |
487 | |
488 if (sslerr == SSL_ERROR_WANT_WRITE) { | |
489 c->write->ready = 0; | |
591 | 490 c->read->handler = ngx_ssl_handshake_handler; |
547 | 491 c->write->handler = ngx_ssl_handshake_handler; |
492 | |
493 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
494 return NGX_ERROR; | |
495 } | |
496 | |
497 return NGX_AGAIN; | |
498 } | |
499 | |
500 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; | |
501 | |
502 c->ssl->no_wait_shutdown = 1; | |
503 c->ssl->no_send_shutdown = 1; | |
591 | 504 c->read->eof = 1; |
547 | 505 |
506 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { | |
507 ngx_log_error(NGX_LOG_INFO, c->log, err, | |
577 | 508 "peer closed connection in SSL handshake"); |
547 | 509 |
510 return NGX_ERROR; | |
511 } | |
512 | |
591 | 513 c->read->error = 1; |
514 | |
547 | 515 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed"); |
516 | |
517 return NGX_ERROR; | |
518 } | |
519 | |
520 | |
521 static void | |
522 ngx_ssl_handshake_handler(ngx_event_t *ev) | |
523 { | |
524 ngx_connection_t *c; | |
525 | |
526 c = ev->data; | |
527 | |
549 | 528 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
577 | 529 "SSL handshake handler: %d", ev->write); |
547 | 530 |
591 | 531 if (ev->timedout) { |
532 c->ssl->handler(c); | |
533 return; | |
534 } | |
535 | |
547 | 536 if (ngx_ssl_handshake(c) == NGX_AGAIN) { |
537 return; | |
538 } | |
539 | |
540 c->ssl->handler(c); | |
541 } | |
542 | |
543 | |
489 | 544 ssize_t |
577 | 545 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl) |
546 { | |
547 ssize_t n, bytes; | |
548 ngx_buf_t *b; | |
549 | |
550 bytes = 0; | |
551 | |
552 while (cl) { | |
553 b = cl->buf; | |
554 | |
555 n = ngx_ssl_recv(c, b->last, b->end - b->last); | |
556 | |
557 if (n > 0) { | |
558 b->last += n; | |
559 bytes += n; | |
560 | |
561 if (b->last == b->end) { | |
562 cl = cl->next; | |
563 } | |
564 | |
565 continue; | |
566 } | |
567 | |
568 if (bytes) { | |
569 return bytes; | |
570 } | |
571 | |
572 return n; | |
573 } | |
574 | |
575 return bytes; | |
576 } | |
577 | |
578 | |
579 ssize_t | |
489 | 580 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) |
393
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581 { |
489 | 582 int n, bytes; |
583 | |
584 if (c->ssl->last == NGX_ERROR) { | |
585 return NGX_ERROR; | |
586 } | |
587 | |
577 | 588 if (c->ssl->last == NGX_DONE) { |
589 return 0; | |
590 } | |
591 | |
489 | 592 bytes = 0; |
393
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593 |
489 | 594 /* |
595 * SSL_read() may return data in parts, so try to read | |
596 * until SSL_read() would return no data | |
597 */ | |
598 | |
599 for ( ;; ) { | |
393
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600 |
543 | 601 n = SSL_read(c->ssl->connection, buf, size); |
489 | 602 |
577 | 603 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); |
393
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604 |
489 | 605 if (n > 0) { |
606 bytes += n; | |
607 } | |
608 | |
609 c->ssl->last = ngx_ssl_handle_recv(c, n); | |
610 | |
611 if (c->ssl->last != NGX_OK) { | |
479 | 612 |
489 | 613 if (bytes) { |
614 return bytes; | |
577 | 615 } |
489 | 616 |
577 | 617 if (c->ssl->last == NGX_DONE) { |
618 return 0; | |
479 | 619 } |
577 | 620 |
621 return c->ssl->last; | |
479 | 622 } |
623 | |
489 | 624 size -= n; |
625 | |
626 if (size == 0) { | |
627 return bytes; | |
628 } | |
629 | |
630 buf += n; | |
631 } | |
632 } | |
633 | |
634 | |
635 static ngx_int_t | |
636 ngx_ssl_handle_recv(ngx_connection_t *c, int n) | |
637 { | |
547 | 638 int sslerr; |
639 ngx_err_t err; | |
489 | 640 |
641 if (n > 0) { | |
479 | 642 |
473 | 643 if (c->ssl->saved_write_handler) { |
644 | |
509 | 645 c->write->handler = c->ssl->saved_write_handler; |
473 | 646 c->ssl->saved_write_handler = NULL; |
647 c->write->ready = 1; | |
648 | |
649 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
650 return NGX_ERROR; | |
651 } | |
652 | |
563 | 653 ngx_post_event(c->write, &ngx_posted_events); |
473 | 654 } |
655 | |
489 | 656 return NGX_OK; |
393
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657 } |
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|
658 |
543 | 659 sslerr = SSL_get_error(c->ssl->connection, n); |
395
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660 |
396
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661 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
393
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662 |
396
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395
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663 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
393
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664 |
395
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665 if (sslerr == SSL_ERROR_WANT_READ) { |
455 | 666 c->read->ready = 0; |
393
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667 return NGX_AGAIN; |
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668 } |
394
e7a68e14ccd3
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parents:
393
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669 |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
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444
diff
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670 if (sslerr == SSL_ERROR_WANT_WRITE) { |
539 | 671 |
547 | 672 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
577 | 673 "peer started SSL renegotiation"); |
473 | 674 |
675 c->write->ready = 0; | |
676 | |
677 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
678 return NGX_ERROR; | |
679 } | |
680 | |
681 /* | |
682 * we do not set the timer because there is already the read event timer | |
683 */ | |
684 | |
685 if (c->ssl->saved_write_handler == NULL) { | |
509 | 686 c->ssl->saved_write_handler = c->write->handler; |
687 c->write->handler = ngx_ssl_write_handler; | |
473 | 688 } |
689 | |
393
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690 return NGX_AGAIN; |
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691 } |
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|
692 |
547 | 693 c->ssl->no_wait_shutdown = 1; |
694 c->ssl->no_send_shutdown = 1; | |
589 | 695 c->read->eof = 1; |
396
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parents:
395
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696 |
395
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697 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
577 | 698 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
699 "peer shutdown SSL cleanly"); | |
700 return NGX_DONE; | |
393
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701 } |
5659d773cfa8
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702 |
591 | 703 c->read->error = 1; |
547 | 704 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed"); |
393
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parents:
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705 |
5659d773cfa8
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706 return NGX_ERROR; |
5659d773cfa8
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diff
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|
707 } |
5659d773cfa8
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parents:
diff
changeset
|
708 |
5659d773cfa8
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parents:
diff
changeset
|
709 |
489 | 710 static void |
711 ngx_ssl_write_handler(ngx_event_t *wev) | |
473 | 712 { |
713 ngx_connection_t *c; | |
714 | |
715 c = wev->data; | |
547 | 716 |
509 | 717 c->read->handler(c->read); |
473 | 718 } |
719 | |
720 | |
398
201b5f68b59f
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parents:
397
diff
changeset
|
721 /* |
201b5f68b59f
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parents:
397
diff
changeset
|
722 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
473 | 723 * before the SSL_write() call to decrease a SSL overhead. |
398
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397
diff
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724 * |
201b5f68b59f
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parents:
397
diff
changeset
|
725 * Besides for protocols such as HTTP it is possible to always buffer |
201b5f68b59f
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parents:
397
diff
changeset
|
726 * the output to decrease a SSL overhead some more. |
201b5f68b59f
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parents:
397
diff
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|
727 */ |
201b5f68b59f
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397
diff
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728 |
489 | 729 ngx_chain_t * |
730 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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|
731 { |
397
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396
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732 int n; |
399
4e21d1291a14
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parents:
398
diff
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733 ngx_uint_t flush; |
397
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parents:
396
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734 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
|
735 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
|
736 |
597 | 737 if (!c->ssl->buffer |
738 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED))) | |
739 { | |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
740 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
741 /* |
577 | 742 * we avoid a buffer copy if |
743 * we do not need to buffer the output | |
744 * 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
|
745 */ |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
746 |
577 | 747 while (in) { |
748 if (ngx_buf_special(in->buf)) { | |
749 in = in->next; | |
750 continue; | |
751 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
752 |
577 | 753 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
754 | |
755 if (n == NGX_ERROR) { | |
756 return NGX_CHAIN_ERROR; | |
757 } | |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
758 |
577 | 759 if (n == NGX_AGAIN) { |
597 | 760 c->buffered |= NGX_SSL_BUFFERED; |
577 | 761 return in; |
762 } | |
763 | |
764 in->buf->pos += n; | |
765 | |
766 if (in->buf->pos == in->buf->last) { | |
767 in = in->next; | |
768 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
769 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
770 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
771 return in; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
772 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
773 |
473 | 774 |
775 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
776 | |
777 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
778 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
779 } | |
780 | |
781 | |
577 | 782 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
|
783 send = 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
784 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
|
785 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
786 for ( ;; ) { |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
787 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
788 while (in && buf->last < buf->end) { |
583 | 789 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
|
790 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
791 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
792 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
793 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
|
794 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
|
795 continue; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
796 } |
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 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
|
799 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
800 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
|
801 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 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
803 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
804 if (send + size > limit) { |
577 | 805 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
|
806 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
807 } |
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 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
|
810 "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
|
811 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
812 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
|
813 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
814 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
|
815 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
816 in->buf->pos += size; |
577 | 817 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
818 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
|
819 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
|
820 } |
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 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
823 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
|
824 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
825 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
|
826 break; |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
827 } |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
828 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
829 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
|
830 |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
831 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
|
832 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
|
833 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
834 |
511 | 835 if (n == NGX_AGAIN) { |
597 | 836 c->buffered |= NGX_SSL_BUFFERED; |
511 | 837 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
838 } |
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 buf->pos += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
841 send += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
842 c->sent += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
843 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
844 if (n < size) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
845 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
846 } |
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 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
|
849 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
|
850 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
|
851 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
852 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
853 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
|
854 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
855 } |
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 |
597 | 858 if (buf->pos < buf->last) { |
859 c->buffered |= NGX_SSL_BUFFERED; | |
860 | |
861 } else { | |
862 c->buffered &= ~NGX_SSL_BUFFERED; | |
863 } | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
864 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
865 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
866 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
867 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
868 |
539 | 869 ssize_t |
489 | 870 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
|
871 { |
547 | 872 int n, sslerr; |
873 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
|
874 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
875 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
|
876 |
543 | 877 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
|
878 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
879 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
|
880 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
881 if (n > 0) { |
539 | 882 |
473 | 883 if (c->ssl->saved_read_handler) { |
884 | |
509 | 885 c->read->handler = c->ssl->saved_read_handler; |
473 | 886 c->ssl->saved_read_handler = NULL; |
887 c->read->ready = 1; | |
888 | |
889 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
890 return NGX_ERROR; | |
891 } | |
892 | |
563 | 893 ngx_post_event(c->read, &ngx_posted_events); |
473 | 894 } |
895 | |
397
de797f3b4c27
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parents:
396
diff
changeset
|
896 return n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
897 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
898 |
543 | 899 sslerr = SSL_get_error(c->ssl->connection, n); |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
900 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
901 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
902 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
903 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
904 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
905 if (sslerr == SSL_ERROR_WANT_WRITE) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
906 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
|
907 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
908 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
909 |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
910 if (sslerr == SSL_ERROR_WANT_READ) { |
452 | 911 |
547 | 912 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
577 | 913 "peer started SSL renegotiation"); |
473 | 914 |
915 c->read->ready = 0; | |
916 | |
917 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
918 return NGX_ERROR; | |
919 } | |
920 | |
921 /* | |
922 * we do not set the timer because there is already | |
923 * the write event timer | |
924 */ | |
925 | |
926 if (c->ssl->saved_read_handler == NULL) { | |
509 | 927 c->ssl->saved_read_handler = c->read->handler; |
928 c->read->handler = ngx_ssl_read_handler; | |
473 | 929 } |
930 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
931 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
932 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
933 |
547 | 934 c->ssl->no_wait_shutdown = 1; |
935 c->ssl->no_send_shutdown = 1; | |
591 | 936 c->write->error = 1; |
543 | 937 |
547 | 938 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
|
939 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
940 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
|
941 } |
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 |
489 | 944 static void |
945 ngx_ssl_read_handler(ngx_event_t *rev) | |
473 | 946 { |
947 ngx_connection_t *c; | |
948 | |
949 c = rev->data; | |
547 | 950 |
509 | 951 c->write->handler(c->write); |
473 | 952 } |
953 | |
954 | |
489 | 955 ngx_int_t |
956 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
|
957 { |
473 | 958 int n, sslerr, mode; |
591 | 959 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
|
960 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
|
961 |
577 | 962 if (c->timedout) { |
547 | 963 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
|
964 |
547 | 965 } else { |
966 mode = SSL_get_shutdown(c->ssl->connection); | |
473 | 967 |
547 | 968 if (c->ssl->no_wait_shutdown) { |
969 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
|
970 } |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
971 |
547 | 972 if (c->ssl->no_send_shutdown) { |
973 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
|
974 } |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
975 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
976 |
547 | 977 SSL_set_shutdown(c->ssl->connection, mode); |
978 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
979 again = 0; |
461 | 980 sslerr = 0; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
981 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
982 for ( ;; ) { |
543 | 983 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
|
984 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
985 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
|
986 |
577 | 987 if (n == 1 || (n == 0 && c->timedout)) { |
543 | 988 SSL_free(c->ssl->connection); |
473 | 989 c->ssl = NULL; |
543 | 990 |
473 | 991 return NGX_OK; |
992 } | |
993 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
994 if (n == 0) { |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
995 again = 1; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
996 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
997 } |
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 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1000 } |
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 if (!again) { |
543 | 1003 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
|
1004 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
1005 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
|
1006 "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
|
1007 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1008 |
589 | 1009 if (again |
1010 || sslerr == SSL_ERROR_WANT_READ | |
1011 || sslerr == SSL_ERROR_WANT_WRITE) | |
1012 { | |
577 | 1013 c->read->handler = ngx_ssl_shutdown_handler; |
589 | 1014 c->write->handler = ngx_ssl_shutdown_handler; |
577 | 1015 |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1016 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
|
1017 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1018 } |
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 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
|
1021 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1022 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1023 |
589 | 1024 if (again || sslerr == SSL_ERROR_WANT_READ) { |
1025 ngx_add_timer(c->read, 30000); | |
1026 } | |
1027 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1028 return NGX_AGAIN; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1029 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1030 |
591 | 1031 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
1032 | |
1033 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
|
1034 |
543 | 1035 SSL_free(c->ssl->connection); |
1036 c->ssl = NULL; | |
1037 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1038 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
1039 } |
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 |
547 | 1042 static void |
577 | 1043 ngx_ssl_shutdown_handler(ngx_event_t *ev) |
1044 { | |
1045 ngx_connection_t *c; | |
1046 ngx_connection_handler_pt handler; | |
1047 | |
1048 c = ev->data; | |
1049 handler = c->ssl->handler; | |
1050 | |
1051 if (ev->timedout) { | |
1052 c->timedout = 1; | |
1053 } | |
1054 | |
974
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1055 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler"); |
577 | 1056 |
1057 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1058 return; | |
1059 } | |
1060 | |
1061 handler(c); | |
1062 } | |
1063 | |
1064 | |
1065 static void | |
547 | 1066 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err, |
1067 char *text) | |
1068 { | |
1069 ngx_uint_t level; | |
1070 | |
1071 level = NGX_LOG_CRIT; | |
1072 | |
1073 if (sslerr == SSL_ERROR_SYSCALL) { | |
1074 | |
1075 if (err == NGX_ECONNRESET | |
1076 || err == NGX_EPIPE | |
1077 || err == NGX_ENOTCONN | |
589 | 1078 #if !(NGX_CRIT_ETIMEDOUT) |
1079 || err == NGX_ETIMEDOUT | |
1080 #endif | |
547 | 1081 || err == NGX_ECONNREFUSED |
1082 || err == NGX_EHOSTUNREACH) | |
1083 { | |
1084 switch (c->log_error) { | |
1085 | |
1086 case NGX_ERROR_IGNORE_ECONNRESET: | |
1087 case NGX_ERROR_INFO: | |
1088 level = NGX_LOG_INFO; | |
1089 break; | |
1090 | |
1091 case NGX_ERROR_ERR: | |
1092 level = NGX_LOG_ERR; | |
1093 break; | |
1094 | |
1095 default: | |
1096 break; | |
1097 } | |
1098 } | |
1099 } | |
1100 | |
1101 ngx_ssl_error(level, c->log, err, text); | |
1102 } | |
1103 | |
1104 | |
583 | 1105 void ngx_cdecl |
489 | 1106 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...) |
577 | 1107 { |
547 | 1108 u_long n; |
1109 va_list args; | |
461 | 1110 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
1111 | |
1112 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
|
1113 |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1114 va_start(args, fmt); |
461 | 1115 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
|
1116 va_end(args); |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1117 |
547 | 1118 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p); |
1119 | |
583 | 1120 while (p < last) { |
1121 | |
1122 n = ERR_get_error(); | |
1123 | |
1124 if (n == 0) { | |
1125 break; | |
1126 } | |
547 | 1127 |
1128 *p++ = ' '; | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1129 |
547 | 1130 ERR_error_string_n(n, (char *) p, last - p); |
1131 | |
1132 while (p < last && *p) { | |
1133 p++; | |
1134 } | |
1135 } | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1136 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
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1137 ngx_log_error(level, log, err, "%s)", errstr); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
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1138 } |
509 | 1139 |
1140 | |
974
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1141 ngx_int_t |
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1142 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx, |
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1143 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout) |
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1144 { |
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1145 long cache_mode; |
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1146 |
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1147 cache_mode = SSL_SESS_CACHE_SERVER; |
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1148 |
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1149 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) { |
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1150 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL; |
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1151 } |
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1152 |
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1153 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode); |
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1154 |
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1155 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len); |
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1156 |
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1157 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) { |
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1158 |
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1159 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) { |
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1160 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache); |
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1161 } |
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1162 |
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1163 SSL_CTX_set_timeout(ssl->ctx, timeout); |
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1164 } |
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1165 |
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1166 if (shm_zone) { |
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1167 shm_zone->init = ngx_ssl_session_cache_init; |
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1168 |
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1169 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session); |
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1170 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session); |
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1171 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session); |
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1172 |
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1173 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone) |
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1174 == 0) |
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1175 { |
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1176 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, |
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1177 "SSL_CTX_set_ex_data() failed"); |
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1178 return NGX_ERROR; |
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1179 } |
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1180 } |
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1181 |
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1182 return NGX_OK; |
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1183 } |
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1184 |
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1185 |
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1186 static ngx_int_t |
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1187 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone) |
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1188 { |
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1189 ngx_slab_pool_t *shpool; |
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1190 ngx_rbtree_node_t *sentinel; |
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1191 ngx_ssl_session_cache_t *cache; |
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1192 |
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1193 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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1194 |
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1195 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t)); |
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1196 if (cache == NULL) { |
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1197 return NGX_ERROR; |
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1198 } |
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1199 |
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1200 cache->session_cache_head.prev = NULL; |
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1201 cache->session_cache_head.next = &cache->session_cache_tail; |
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1202 |
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1203 cache->session_cache_tail.prev = &cache->session_cache_head; |
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1204 cache->session_cache_tail.next = NULL; |
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1205 |
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1206 cache->session_rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t)); |
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1207 if (cache->session_rbtree == NULL) { |
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1208 return NGX_ERROR; |
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1209 } |
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1210 |
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1211 sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t)); |
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1212 if (sentinel == NULL) { |
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1213 return NGX_ERROR; |
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1214 } |
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1215 |
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1216 ngx_rbtree_sentinel_init(sentinel); |
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1217 |
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1218 cache->session_rbtree->root = sentinel; |
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1219 cache->session_rbtree->sentinel = sentinel; |
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1220 cache->session_rbtree->insert = ngx_rbtree_insert_value; |
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1221 |
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1222 shm_zone->data = cache; |
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1223 |
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1224 return NGX_OK; |
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1225 } |
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1226 |
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1227 |
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1228 /* |
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1229 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow, |
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1230 * so they are outside the code locked by shared pool mutex |
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1231 */ |
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1232 |
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1233 static int |
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1234 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess) |
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1235 { |
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1236 int len; |
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1237 u_char *p, *id; |
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1238 uint32_t hash; |
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1239 SSL_CTX *ssl_ctx; |
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1240 ngx_time_t *tp; |
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1241 ngx_shm_zone_t *shm_zone; |
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1242 ngx_connection_t *c; |
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1243 ngx_slab_pool_t *shpool; |
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1244 ngx_ssl_sess_id_t *sess_id; |
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1245 ngx_ssl_cached_sess_t *cached_sess; |
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1246 ngx_ssl_session_cache_t *cache; |
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1247 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
|
1248 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1249 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
|
1250 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1251 /* 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
|
1252 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1253 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
|
1254 return 0; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1255 } |
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 p = buf; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1258 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
|
1259 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1260 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
|
1261 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1262 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
|
1263 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
|
1264 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1265 cache = shm_zone->data; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1266 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
|
1267 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1268 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
|
1269 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1270 /* 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
|
1271 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
|
1272 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1273 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
|
1274 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
|
1275 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1276 if (cached_sess == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1277 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1278 /* 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
|
1279 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1280 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
|
1281 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1282 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
|
1283 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
|
1284 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1285 if (cached_sess == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1286 id = NULL; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1287 goto failed; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1288 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1289 } |
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 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
|
1292 if (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 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
|
1297 if (sess_id == NULL) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1298 goto failed; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1299 } |
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 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
|
1302 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1303 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
|
1304 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1305 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
|
1306 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1307 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
|
1308 "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
|
1309 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
|
1310 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1311 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
|
1312 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
|
1313 sess_id->id = id; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1314 sess_id->len = len; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1315 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
|
1316 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1317 tp = ngx_timeofday(); |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1318 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1319 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
|
1320 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
|
1321 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1322 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
|
1323 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
|
1324 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
|
1325 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
|
1326 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1327 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
|
1328 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1329 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
|
1330 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1331 return 0; |
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 failed: |
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 if (cached_sess) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1336 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
|
1337 } |
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 if (id) { |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1340 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
|
1341 } |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1342 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1343 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
|
1344 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1345 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
|
1346 "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
|
1347 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1348 return 0; |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1349 } |
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 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1352 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
|
1353 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
changeset
|
1354 int *copy) |
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 #if OPENSSL_VERSION_NUMBER >= 0x00908000 |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
1357 const |
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1358 #endif |
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1359 u_char *p; |
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1360 uint32_t hash; |
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1361 ngx_time_t *tp; |
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1362 ngx_shm_zone_t *shm_zone; |
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1363 ngx_slab_pool_t *shpool; |
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1364 ngx_connection_t *c; |
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1365 ngx_rbtree_node_t *node, *sentinel; |
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1366 ngx_ssl_session_t *sess; |
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1367 ngx_ssl_sess_id_t *sess_id; |
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1368 ngx_ssl_cached_sess_t *cached_sess; |
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1369 ngx_ssl_session_cache_t *cache; |
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1370 u_char buf[NGX_SSL_MAX_SESSION_SIZE]; |
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1371 |
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1372 c = ngx_ssl_get_connection(ssl_conn); |
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1373 |
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1374 hash = ngx_crc32_short(id, len); |
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1375 *copy = 0; |
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1376 |
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1377 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1378 "http ssl get session: %08XD:%d", hash, len); |
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1379 |
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1380 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn), |
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1381 ngx_ssl_session_cache_index); |
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1382 |
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1383 cache = shm_zone->data; |
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1384 |
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1385 if (cache->session_rbtree == NULL) { |
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1386 return NULL; |
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1387 } |
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1388 |
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1389 sess = NULL; |
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1390 |
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1391 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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1392 |
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1393 ngx_shmtx_lock(&shpool->mutex); |
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1394 |
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1395 node = cache->session_rbtree->root; |
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1396 sentinel = cache->session_rbtree->sentinel; |
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1397 |
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1398 while (node != sentinel) { |
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1399 |
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1400 if (hash < node->key) { |
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1401 node = node->left; |
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1402 continue; |
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1403 } |
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1404 |
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1405 if (hash > node->key) { |
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1406 node = node->right; |
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1407 continue; |
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1408 } |
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1409 |
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1410 if (hash == node->key && (u_char) len == node->data) { |
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1411 sess_id = (ngx_ssl_sess_id_t *) node; |
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1412 |
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1413 if (ngx_strncmp(id, sess_id->id, len) == 0) { |
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1414 |
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1415 cached_sess = sess_id->session; |
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1416 |
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1417 tp = ngx_timeofday(); |
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1418 |
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1419 if (cached_sess->expire > tp->sec) { |
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1420 ngx_memcpy(buf, &cached_sess->asn1[0], sess_id->len); |
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1421 |
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1422 ngx_shmtx_unlock(&shpool->mutex); |
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|
1423 |
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1424 p = buf; |
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1425 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len); |
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|
1426 |
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1427 return sess; |
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1428 } |
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|
1429 |
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1430 cached_sess->next->prev = cached_sess->prev; |
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1431 cached_sess->prev->next = cached_sess->next; |
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|
1432 |
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1433 ngx_rbtree_delete(cache->session_rbtree, node); |
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|
1434 |
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1435 ngx_slab_free_locked(shpool, cached_sess); |
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1436 ngx_slab_free_locked(shpool, sess_id->id); |
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1437 ngx_slab_free_locked(shpool, sess_id); |
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|
1438 |
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1439 sess = NULL; |
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|
1440 |
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|
1441 break; |
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1442 } |
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1443 } |
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1444 |
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1445 node = node->right; |
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1446 } |
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1447 |
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1448 ngx_shmtx_unlock(&shpool->mutex); |
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|
1449 |
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1450 return sess; |
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1451 } |
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|
1452 |
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|
1453 |
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|
1454 static void |
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1455 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess) |
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1456 { |
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|
1457 u_char *id, len; |
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|
1458 uint32_t hash; |
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|
1459 ngx_shm_zone_t *shm_zone; |
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|
1460 ngx_slab_pool_t *shpool; |
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|
1461 ngx_rbtree_node_t *node, *sentinel; |
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|
1462 ngx_ssl_sess_id_t *sess_id; |
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|
1463 ngx_ssl_cached_sess_t *cached_sess; |
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|
1464 ngx_ssl_session_cache_t *cache; |
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|
1465 |
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|
1466 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index); |
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|
1467 |
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|
1468 cache = shm_zone->data; |
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|
1469 |
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|
1470 id = sess->session_id; |
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1471 len = (u_char) sess->session_id_length; |
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1472 |
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1473 hash = ngx_crc32_short(id, (size_t) len); |
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1474 |
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|
1475 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
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|
1476 "http ssl remove session: %08XD:%d", hash, len); |
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|
1477 |
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|
1478 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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|
1479 |
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|
1480 ngx_shmtx_lock(&shpool->mutex); |
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|
1481 |
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|
1482 node = cache->session_rbtree->root; |
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1483 sentinel = cache->session_rbtree->sentinel; |
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|
1484 |
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1485 while (node != sentinel) { |
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|
1486 |
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1487 if (hash < node->key) { |
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1488 node = node->left; |
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1489 continue; |
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1490 } |
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|
1491 |
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1492 if (hash > node->key) { |
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1493 node = node->right; |
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1494 continue; |
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1495 } |
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|
1496 |
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|
1497 if (hash == node->key && len == node->data) { |
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|
1498 sess_id = (ngx_ssl_sess_id_t *) node; |
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|
1499 |
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1500 if (ngx_strncmp(id, sess_id->id, (size_t) len) == 0) { |
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|
1501 |
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|
1502 cached_sess = sess_id->session; |
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|
1503 |
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|
1504 cached_sess->next->prev = cached_sess->prev; |
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|
1505 cached_sess->prev->next = cached_sess->next; |
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|
1506 |
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|
1507 ngx_rbtree_delete(cache->session_rbtree, node); |
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|
1508 |
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|
1509 ngx_slab_free_locked(shpool, cached_sess); |
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1510 ngx_slab_free_locked(shpool, sess_id->id); |
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|
1511 ngx_slab_free_locked(shpool, sess_id); |
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|
1512 |
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|
1513 break; |
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1514 } |
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1515 } |
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|
1516 |
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1517 node = node->right; |
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1518 } |
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|
1519 |
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1520 ngx_shmtx_unlock(&shpool->mutex); |
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1521 } |
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|
1522 |
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|
1523 |
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1524 static void |
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1525 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache, |
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1526 ngx_slab_pool_t *shpool, ngx_uint_t n) |
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1527 { |
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1528 ngx_time_t *tp; |
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1529 ngx_ssl_sess_id_t *sess_id; |
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1530 ngx_ssl_cached_sess_t *sess; |
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|
1531 |
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1532 tp = ngx_timeofday(); |
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|
1533 |
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|
1534 while (n < 3) { |
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|
1535 |
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1536 sess = cache->session_cache_tail.prev; |
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|
1537 |
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1538 if (sess == &cache->session_cache_head) { |
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|
1539 return; |
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|
1540 } |
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|
1541 |
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1542 if (n++ != 0 && sess->expire > tp->sec) { |
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|
1543 break; |
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1544 } |
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|
1545 |
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1546 sess->next->prev = sess->prev; |
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1547 sess->prev->next = sess->next; |
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|
1548 |
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1549 sess_id = sess->sess_id; |
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changeset
|
1550 |
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|
1551 ngx_rbtree_delete(cache->session_rbtree, &sess_id->node); |
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1552 |
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1553 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, |
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1554 "expire session: %08Xi", sess_id->node.key); |
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|
1555 |
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1556 ngx_slab_free_locked(shpool, sess); |
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|
1557 ngx_slab_free_locked(shpool, sess_id->id); |
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1558 ngx_slab_free_locked(shpool, sess_id); |
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1559 } |
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1560 } |
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|
1561 |
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1562 |
509 | 1563 void |
1564 ngx_ssl_cleanup_ctx(void *data) | |
1565 { | |
589 | 1566 ngx_ssl_t *ssl = data; |
509 | 1567 |
589 | 1568 SSL_CTX_free(ssl->ctx); |
509 | 1569 } |
541 | 1570 |
1571 | |
671 | 1572 ngx_int_t |
1573 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
611 | 1574 { |
671 | 1575 s->data = (u_char *) SSL_get_version(c->ssl->connection); |
1576 return NGX_OK; | |
611 | 1577 } |
1578 | |
1579 | |
671 | 1580 ngx_int_t |
1581 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
611 | 1582 { |
671 | 1583 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection); |
1584 return NGX_OK; | |
611 | 1585 } |
1586 | |
1587 | |
647 | 1588 ngx_int_t |
1589 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1590 { | |
1591 char *p; | |
1592 size_t len; | |
1593 X509 *cert; | |
1594 X509_NAME *name; | |
1595 | |
1596 s->len = 0; | |
1597 | |
1598 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1599 if (cert == NULL) { | |
1600 return NGX_OK; | |
1601 } | |
1602 | |
1603 name = X509_get_subject_name(cert); | |
1604 if (name == NULL) { | |
1605 return NGX_ERROR; | |
1606 } | |
1607 | |
1608 p = X509_NAME_oneline(name, NULL, 0); | |
1609 | |
1610 for (len = 0; p[len]; len++) { /* void */ } | |
1611 | |
1612 s->len = len; | |
1613 s->data = ngx_palloc(pool, len); | |
1614 if (s->data == NULL) { | |
1615 OPENSSL_free(p); | |
1616 return NGX_ERROR; | |
1617 } | |
1618 | |
1619 ngx_memcpy(s->data, p, len); | |
1620 | |
1621 OPENSSL_free(p); | |
1622 | |
1623 return NGX_OK; | |
1624 } | |
1625 | |
1626 | |
1627 ngx_int_t | |
1628 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1629 { | |
1630 char *p; | |
1631 size_t len; | |
1632 X509 *cert; | |
1633 X509_NAME *name; | |
1634 | |
1635 s->len = 0; | |
1636 | |
1637 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1638 if (cert == NULL) { | |
1639 return NGX_OK; | |
1640 } | |
1641 | |
1642 name = X509_get_issuer_name(cert); | |
1643 if (name == NULL) { | |
1644 return NGX_ERROR; | |
1645 } | |
1646 | |
1647 p = X509_NAME_oneline(name, NULL, 0); | |
1648 | |
1649 for (len = 0; p[len]; len++) { /* void */ } | |
1650 | |
1651 s->len = len; | |
1652 s->data = ngx_palloc(pool, len); | |
1653 if (s->data == NULL) { | |
1654 OPENSSL_free(p); | |
1655 return NGX_ERROR; | |
1656 } | |
1657 | |
1658 ngx_memcpy(s->data, p, len); | |
1659 | |
1660 OPENSSL_free(p); | |
1661 | |
1662 return NGX_OK; | |
1663 } | |
1664 | |
1665 | |
671 | 1666 ngx_int_t |
1667 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) | |
1668 { | |
1669 size_t len; | |
1670 X509 *cert; | |
1671 BIO *bio; | |
1672 | |
1673 s->len = 0; | |
1674 | |
1675 cert = SSL_get_peer_certificate(c->ssl->connection); | |
1676 if (cert == NULL) { | |
1677 return NGX_OK; | |
1678 } | |
1679 | |
1680 bio = BIO_new(BIO_s_mem()); | |
1681 if (bio == NULL) { | |
1682 return NGX_ERROR; | |
1683 } | |
1684 | |
1685 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert)); | |
1686 len = BIO_pending(bio); | |
1687 | |
1688 s->len = len; | |
1689 s->data = ngx_palloc(pool, len); | |
1690 if (s->data == NULL) { | |
1691 BIO_free(bio); | |
1692 return NGX_ERROR; | |
1693 } | |
1694 | |
1695 BIO_read(bio, s->data, len); | |
1696 BIO_free(bio); | |
1697 | |
1698 return NGX_OK; | |
1699 } | |
1700 | |
1701 | |
541 | 1702 static void * |
1703 ngx_openssl_create_conf(ngx_cycle_t *cycle) | |
1704 { | |
1705 ngx_openssl_conf_t *oscf; | |
577 | 1706 |
541 | 1707 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t)); |
1708 if (oscf == NULL) { | |
1709 return NGX_CONF_ERROR; | |
1710 } | |
577 | 1711 |
541 | 1712 /* |
1713 * set by ngx_pcalloc(): | |
577 | 1714 * |
541 | 1715 * oscf->engine.len = 0; |
1716 * oscf->engine.data = NULL; | |
577 | 1717 */ |
541 | 1718 |
1719 return oscf; | |
1720 } | |
1721 | |
1722 | |
1723 static char * | |
1724 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf) | |
1725 { | |
1726 #if (NGX_SSL_ENGINE) | |
1727 ngx_openssl_conf_t *oscf = conf; | |
571 | 1728 |
541 | 1729 ENGINE *engine; |
1730 | |
1731 if (oscf->engine.len == 0) { | |
1732 return NGX_CONF_OK; | |
1733 } | |
577 | 1734 |
541 | 1735 engine = ENGINE_by_id((const char *) oscf->engine.data); |
1736 | |
1737 if (engine == NULL) { | |
1738 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
1739 "ENGINE_by_id(\"%V\") failed", &oscf->engine); | |
1740 return NGX_CONF_ERROR; | |
1741 } | |
1742 | |
1743 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) { | |
1744 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
1745 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed", | |
1746 &oscf->engine); | |
1747 return NGX_CONF_ERROR; | |
1748 } | |
1749 | |
1750 ENGINE_free(engine); | |
1751 | |
1752 #endif | |
1753 | |
1754 return NGX_CONF_OK; | |
1755 } | |
1756 | |
1757 | |
1758 #if !(NGX_SSL_ENGINE) | |
1759 | |
1760 static char * | |
1761 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1762 { | |
1763 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
563 | 1764 "\"ssl_engine\" directive is available only in " |
1765 "OpenSSL 0.9.7 and higher,"); | |
541 | 1766 |
1767 return NGX_CONF_ERROR; | |
1768 } | |
1769 | |
1770 #endif | |
571 | 1771 |
1772 | |
1773 static void | |
1774 ngx_openssl_exit(ngx_cycle_t *cycle) | |
1775 { | |
1776 #if (NGX_SSL_ENGINE) | |
1777 ENGINE_cleanup(); | |
1778 #endif | |
1779 } |