|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_event.h>
|
|
|
10
|
|
90
|
11
|
|
|
12 typedef struct {
|
|
|
13 ngx_str_t engine;
|
|
|
14 } ngx_openssl_conf_t;
|
|
28
|
15
|
|
0
|
16
|
|
220
|
17 static int ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store);
|
|
96
|
18 static void ngx_ssl_handshake_handler(ngx_event_t *ev);
|
|
38
|
19 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n);
|
|
22
|
20 static void ngx_ssl_write_handler(ngx_event_t *wev);
|
|
|
21 static void ngx_ssl_read_handler(ngx_event_t *rev);
|
|
126
|
22 static void ngx_ssl_shutdown_handler(ngx_event_t *ev);
|
|
96
|
23 static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr,
|
|
|
24 ngx_err_t err, char *text);
|
|
358
|
25 static void ngx_ssl_clear_error(ngx_log_t *log);
|
|
272
|
26
|
|
|
27 static ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone,
|
|
|
28 void *data);
|
|
|
29 static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn,
|
|
|
30 ngx_ssl_session_t *sess);
|
|
|
31 static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn,
|
|
|
32 u_char *id, int len, int *copy);
|
|
|
33 static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess);
|
|
|
34 static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
35 ngx_slab_pool_t *shpool, ngx_uint_t n);
|
|
274
|
36 static void ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
37 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
|
|
272
|
38
|
|
90
|
39 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
|
|
|
40 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf);
|
|
120
|
41 static void ngx_openssl_exit(ngx_cycle_t *cycle);
|
|
90
|
42
|
|
|
43 #if !(NGX_SSL_ENGINE)
|
|
|
44 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
45 void *conf);
|
|
|
46 #endif
|
|
|
47
|
|
|
48
|
|
|
49 static ngx_command_t ngx_openssl_commands[] = {
|
|
|
50
|
|
|
51 { ngx_string("ssl_engine"),
|
|
|
52 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
53 #if (NGX_SSL_ENGINE)
|
|
|
54 ngx_conf_set_str_slot,
|
|
|
55 #else
|
|
|
56 ngx_openssl_noengine,
|
|
|
57 #endif
|
|
|
58 0,
|
|
|
59 offsetof(ngx_openssl_conf_t, engine),
|
|
|
60 NULL },
|
|
|
61
|
|
|
62 ngx_null_command
|
|
|
63 };
|
|
|
64
|
|
|
65
|
|
|
66 static ngx_core_module_t ngx_openssl_module_ctx = {
|
|
|
67 ngx_string("openssl"),
|
|
|
68 ngx_openssl_create_conf,
|
|
|
69 ngx_openssl_init_conf
|
|
126
|
70 };
|
|
90
|
71
|
|
|
72
|
|
|
73 ngx_module_t ngx_openssl_module = {
|
|
|
74 NGX_MODULE_V1,
|
|
|
75 &ngx_openssl_module_ctx, /* module context */
|
|
|
76 ngx_openssl_commands, /* module directives */
|
|
|
77 NGX_CORE_MODULE, /* module type */
|
|
|
78 NULL, /* init master */
|
|
|
79 NULL, /* init module */
|
|
|
80 NULL, /* init process */
|
|
|
81 NULL, /* init thread */
|
|
|
82 NULL, /* exit thread */
|
|
|
83 NULL, /* exit process */
|
|
120
|
84 ngx_openssl_exit, /* exit master */
|
|
90
|
85 NGX_MODULE_V1_PADDING
|
|
96
|
86 };
|
|
|
87
|
|
|
88
|
|
|
89 static long ngx_ssl_protocols[] = {
|
|
|
90 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
|
|
|
91 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
|
|
|
92 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1,
|
|
|
93 SSL_OP_NO_TLSv1,
|
|
|
94 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3,
|
|
|
95 SSL_OP_NO_SSLv3,
|
|
|
96 SSL_OP_NO_SSLv2,
|
|
|
97 0,
|
|
|
98 };
|
|
0
|
99
|
|
|
100
|
|
272
|
101 int ngx_ssl_connection_index;
|
|
|
102 int ngx_ssl_server_conf_index;
|
|
|
103 int ngx_ssl_session_cache_index;
|
|
220
|
104
|
|
|
105
|
|
38
|
106 ngx_int_t
|
|
|
107 ngx_ssl_init(ngx_log_t *log)
|
|
0
|
108 {
|
|
272
|
109 #if OPENSSL_VERSION_NUMBER >= 0x00907000
|
|
|
110 OPENSSL_config(NULL);
|
|
|
111 #endif
|
|
|
112
|
|
0
|
113 SSL_library_init();
|
|
|
114 SSL_load_error_strings();
|
|
90
|
115
|
|
|
116 #if (NGX_SSL_ENGINE)
|
|
28
|
117 ENGINE_load_builtin_engines();
|
|
90
|
118 #endif
|
|
0
|
119
|
|
272
|
120 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
|
|
|
121
|
|
|
122 if (ngx_ssl_connection_index == -1) {
|
|
|
123 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
|
|
|
124 return NGX_ERROR;
|
|
|
125 }
|
|
220
|
126
|
|
272
|
127 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
|
|
|
128 NULL);
|
|
|
129 if (ngx_ssl_server_conf_index == -1) {
|
|
|
130 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
|
|
|
131 "SSL_CTX_get_ex_new_index() failed");
|
|
|
132 return NGX_ERROR;
|
|
|
133 }
|
|
|
134
|
|
|
135 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
|
|
|
136 NULL);
|
|
|
137 if (ngx_ssl_session_cache_index == -1) {
|
|
|
138 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
|
|
|
139 "SSL_CTX_get_ex_new_index() failed");
|
|
220
|
140 return NGX_ERROR;
|
|
|
141 }
|
|
|
142
|
|
0
|
143 return NGX_OK;
|
|
|
144 }
|
|
|
145
|
|
|
146
|
|
38
|
147 ngx_int_t
|
|
272
|
148 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
|
|
96
|
149 {
|
|
126
|
150 ssl->ctx = SSL_CTX_new(SSLv23_method());
|
|
96
|
151
|
|
|
152 if (ssl->ctx == NULL) {
|
|
|
153 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
|
|
|
154 return NGX_ERROR;
|
|
|
155 }
|
|
|
156
|
|
272
|
157 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
|
|
|
158 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
159 "SSL_CTX_set_ex_data() failed");
|
|
|
160 return NGX_ERROR;
|
|
|
161 }
|
|
|
162
|
|
126
|
163 /* client side options */
|
|
|
164
|
|
|
165 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
|
|
|
166 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
|
|
|
167 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
|
|
|
168
|
|
|
169 /* server side options */
|
|
112
|
170
|
|
|
171 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
|
|
|
172 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
|
|
|
173
|
|
|
174 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
|
|
|
175 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
|
|
|
176
|
|
|
177 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
|
|
|
178 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
|
|
|
179 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
|
|
|
180
|
|
|
181 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
|
|
|
182 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
|
|
|
183 #endif
|
|
|
184
|
|
380
|
185 SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
|
|
96
|
186
|
|
|
187 if (ngx_ssl_protocols[protocols >> 1] != 0) {
|
|
|
188 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
|
|
|
189 }
|
|
|
190
|
|
364
|
191 /*
|
|
|
192 * we need this option because in ngx_ssl_send_chain()
|
|
|
193 * we may switch to a buffered write and may copy leftover part of
|
|
|
194 * previously unbuffered data to our internal buffer
|
|
|
195 */
|
|
|
196 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
|
|
|
197
|
|
96
|
198 SSL_CTX_set_read_ahead(ssl->ctx, 1);
|
|
|
199
|
|
|
200 return NGX_OK;
|
|
|
201 }
|
|
|
202
|
|
|
203
|
|
|
204 ngx_int_t
|
|
112
|
205 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
|
|
|
206 ngx_str_t *key)
|
|
96
|
207 {
|
|
324
|
208 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
|
|
96
|
209 return NGX_ERROR;
|
|
|
210 }
|
|
|
211
|
|
112
|
212 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
|
|
96
|
213 == 0)
|
|
|
214 {
|
|
|
215 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
112
|
216 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
|
|
|
217 cert->data);
|
|
|
218 return NGX_ERROR;
|
|
|
219 }
|
|
|
220
|
|
324
|
221 if (ngx_conf_full_name(cf->cycle, key, 1) == NGX_ERROR) {
|
|
112
|
222 return NGX_ERROR;
|
|
|
223 }
|
|
|
224
|
|
|
225 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
|
|
196
|
226 SSL_FILETYPE_PEM)
|
|
|
227 == 0)
|
|
112
|
228 {
|
|
|
229 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
230 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
|
|
96
|
231 return NGX_ERROR;
|
|
|
232 }
|
|
|
233
|
|
|
234 return NGX_OK;
|
|
|
235 }
|
|
|
236
|
|
|
237
|
|
|
238 ngx_int_t
|
|
220
|
239 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
|
|
|
240 ngx_int_t depth)
|
|
196
|
241 {
|
|
220
|
242 STACK_OF(X509_NAME) *list;
|
|
|
243
|
|
|
244 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
|
|
|
245
|
|
|
246 SSL_CTX_set_verify_depth(ssl->ctx, depth);
|
|
|
247
|
|
|
248 if (cert->len == 0) {
|
|
|
249 return NGX_OK;
|
|
|
250 }
|
|
|
251
|
|
324
|
252 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
|
|
196
|
253 return NGX_ERROR;
|
|
|
254 }
|
|
|
255
|
|
|
256 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
|
|
|
257 == 0)
|
|
|
258 {
|
|
|
259 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
260 "SSL_CTX_load_verify_locations(\"%s\") failed",
|
|
|
261 cert->data);
|
|
|
262 return NGX_ERROR;
|
|
|
263 }
|
|
|
264
|
|
220
|
265 list = SSL_load_client_CA_file((char *) cert->data);
|
|
|
266
|
|
|
267 if (list == NULL) {
|
|
|
268 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
269 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
|
|
|
270 return NGX_ERROR;
|
|
|
271 }
|
|
|
272
|
|
|
273 /*
|
|
|
274 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
|
|
|
275 * always leaved an error in the error queue
|
|
|
276 */
|
|
|
277
|
|
|
278 ERR_clear_error();
|
|
|
279
|
|
|
280 SSL_CTX_set_client_CA_list(ssl->ctx, list);
|
|
|
281
|
|
196
|
282 return NGX_OK;
|
|
|
283 }
|
|
|
284
|
|
|
285
|
|
220
|
286 static int
|
|
|
287 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
|
|
|
288 {
|
|
372
|
289 #if (NGX_DEBUG)
|
|
220
|
290 char *subject, *issuer;
|
|
|
291 int err, depth;
|
|
|
292 X509 *cert;
|
|
372
|
293 X509_NAME *sname, *iname;
|
|
220
|
294 ngx_connection_t *c;
|
|
|
295 ngx_ssl_conn_t *ssl_conn;
|
|
|
296
|
|
|
297 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
|
|
|
298 SSL_get_ex_data_X509_STORE_CTX_idx());
|
|
|
299
|
|
|
300 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
301
|
|
|
302 cert = X509_STORE_CTX_get_current_cert(x509_store);
|
|
|
303 err = X509_STORE_CTX_get_error(x509_store);
|
|
|
304 depth = X509_STORE_CTX_get_error_depth(x509_store);
|
|
|
305
|
|
372
|
306 sname = X509_get_subject_name(cert);
|
|
|
307 subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
|
|
|
308
|
|
|
309 iname = X509_get_issuer_name(cert);
|
|
|
310 issuer = iname ? X509_NAME_oneline(iname, NULL, 0) : "(none)";
|
|
220
|
311
|
|
272
|
312 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
220
|
313 "verify:%d, error:%d, depth:%d, "
|
|
|
314 "subject:\"%s\",issuer: \"%s\"",
|
|
|
315 ok, err, depth, subject, issuer);
|
|
|
316
|
|
372
|
317 if (sname) {
|
|
|
318 OPENSSL_free(subject);
|
|
|
319 }
|
|
|
320
|
|
|
321 if (iname) {
|
|
|
322 OPENSSL_free(issuer);
|
|
|
323 }
|
|
|
324 #endif
|
|
|
325
|
|
220
|
326 return 1;
|
|
|
327 }
|
|
|
328
|
|
|
329
|
|
196
|
330 ngx_int_t
|
|
96
|
331 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
|
|
|
332 {
|
|
220
|
333 RSA *key;
|
|
|
334
|
|
108
|
335 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
|
|
|
336 return NGX_OK;
|
|
|
337 }
|
|
|
338
|
|
220
|
339 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
|
|
96
|
340
|
|
220
|
341 if (key) {
|
|
|
342 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
|
|
|
343
|
|
|
344 RSA_free(key);
|
|
|
345
|
|
96
|
346 return NGX_OK;
|
|
|
347 }
|
|
|
348
|
|
|
349 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
|
|
|
350
|
|
|
351 return NGX_ERROR;
|
|
|
352 }
|
|
|
353
|
|
|
354
|
|
|
355 ngx_int_t
|
|
380
|
356 ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file)
|
|
|
357 {
|
|
|
358 DH *dh;
|
|
|
359 BIO *bio;
|
|
|
360
|
|
|
361 /*
|
|
|
362 * -----BEGIN DH PARAMETERS-----
|
|
|
363 * MIGHAoGBALu8LcrYRnSQfEP89YDpz9vZWKP1aLQtSwju1OsPs1BMbAMCducQgAxc
|
|
|
364 * y7qokiYUxb7spWWl/fHSh6K8BJvmd4Bg6RqSp1fjBI9osHb302zI8pul34HcLKcl
|
|
|
365 * 7OZicMyaUDXYzs7vnqAnSmOrHlj6/UmI0PZdFGdX2gcd8EXP4WubAgEC
|
|
|
366 * -----END DH PARAMETERS-----
|
|
|
367 */
|
|
|
368
|
|
|
369 static unsigned char dh1024_p[] = {
|
|
|
370 0xBB, 0xBC, 0x2D, 0xCA, 0xD8, 0x46, 0x74, 0x90, 0x7C, 0x43, 0xFC, 0xF5,
|
|
|
371 0x80, 0xE9, 0xCF, 0xDB, 0xD9, 0x58, 0xA3, 0xF5, 0x68, 0xB4, 0x2D, 0x4B,
|
|
|
372 0x08, 0xEE, 0xD4, 0xEB, 0x0F, 0xB3, 0x50, 0x4C, 0x6C, 0x03, 0x02, 0x76,
|
|
|
373 0xE7, 0x10, 0x80, 0x0C, 0x5C, 0xCB, 0xBA, 0xA8, 0x92, 0x26, 0x14, 0xC5,
|
|
|
374 0xBE, 0xEC, 0xA5, 0x65, 0xA5, 0xFD, 0xF1, 0xD2, 0x87, 0xA2, 0xBC, 0x04,
|
|
|
375 0x9B, 0xE6, 0x77, 0x80, 0x60, 0xE9, 0x1A, 0x92, 0xA7, 0x57, 0xE3, 0x04,
|
|
|
376 0x8F, 0x68, 0xB0, 0x76, 0xF7, 0xD3, 0x6C, 0xC8, 0xF2, 0x9B, 0xA5, 0xDF,
|
|
|
377 0x81, 0xDC, 0x2C, 0xA7, 0x25, 0xEC, 0xE6, 0x62, 0x70, 0xCC, 0x9A, 0x50,
|
|
|
378 0x35, 0xD8, 0xCE, 0xCE, 0xEF, 0x9E, 0xA0, 0x27, 0x4A, 0x63, 0xAB, 0x1E,
|
|
|
379 0x58, 0xFA, 0xFD, 0x49, 0x88, 0xD0, 0xF6, 0x5D, 0x14, 0x67, 0x57, 0xDA,
|
|
|
380 0x07, 0x1D, 0xF0, 0x45, 0xCF, 0xE1, 0x6B, 0x9B
|
|
|
381 };
|
|
|
382
|
|
|
383 static unsigned char dh1024_g[] = { 0x02 };
|
|
|
384
|
|
|
385
|
|
|
386 if (file->len == 0) {
|
|
|
387
|
|
|
388 dh = DH_new();
|
|
|
389 if (dh == NULL) {
|
|
|
390 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "DH_new() failed");
|
|
|
391 return NGX_ERROR;
|
|
|
392 }
|
|
|
393
|
|
|
394 dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
|
|
|
395 dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
|
|
|
396
|
|
|
397 if (dh->p == NULL || dh->g == NULL) {
|
|
|
398 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "BN_bin2bn() failed");
|
|
|
399 DH_free(dh);
|
|
|
400 return NGX_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
404
|
|
|
405 DH_free(dh);
|
|
|
406
|
|
|
407 return NGX_OK;
|
|
|
408 }
|
|
|
409
|
|
|
410 if (ngx_conf_full_name(cf->cycle, file, 1) == NGX_ERROR) {
|
|
|
411 return NGX_ERROR;
|
|
|
412 }
|
|
|
413
|
|
|
414 bio = BIO_new_file((char *) file->data, "r");
|
|
|
415 if (bio == NULL) {
|
|
|
416 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
417 "BIO_new_file(\"%s\") failed", file->data);
|
|
|
418 return NGX_ERROR;
|
|
|
419 }
|
|
|
420
|
|
|
421 dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
|
|
|
422 if (dh == NULL) {
|
|
|
423 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
424 "PEM_read_bio_DHparams(\"%s\") failed", file->data);
|
|
|
425 BIO_free(bio);
|
|
|
426 return NGX_ERROR;
|
|
|
427 }
|
|
|
428
|
|
|
429 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
430
|
|
|
431 DH_free(dh);
|
|
|
432 BIO_free(bio);
|
|
|
433
|
|
|
434 return NGX_OK;
|
|
|
435 }
|
|
|
436
|
|
|
437
|
|
|
438 ngx_int_t
|
|
96
|
439 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
|
|
126
|
440 {
|
|
96
|
441 ngx_ssl_connection_t *sc;
|
|
0
|
442
|
|
96
|
443 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
|
|
|
444 if (sc == NULL) {
|
|
0
|
445 return NGX_ERROR;
|
|
|
446 }
|
|
|
447
|
|
358
|
448 sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
|
|
0
|
449
|
|
96
|
450 sc->connection = SSL_new(ssl->ctx);
|
|
0
|
451
|
|
96
|
452 if (sc->connection == NULL) {
|
|
0
|
453 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
|
|
|
454 return NGX_ERROR;
|
|
|
455 }
|
|
|
456
|
|
96
|
457 if (SSL_set_fd(sc->connection, c->fd) == 0) {
|
|
0
|
458 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
|
|
|
459 return NGX_ERROR;
|
|
|
460 }
|
|
|
461
|
|
126
|
462 if (flags & NGX_SSL_CLIENT) {
|
|
|
463 SSL_set_connect_state(sc->connection);
|
|
|
464
|
|
|
465 } else {
|
|
|
466 SSL_set_accept_state(sc->connection);
|
|
|
467 }
|
|
0
|
468
|
|
272
|
469 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
|
|
220
|
470 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
|
|
|
471 return NGX_ERROR;
|
|
|
472 }
|
|
|
473
|
|
96
|
474 c->ssl = sc;
|
|
0
|
475
|
|
|
476 return NGX_OK;
|
|
|
477 }
|
|
|
478
|
|
|
479
|
|
96
|
480 ngx_int_t
|
|
126
|
481 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
|
|
|
482 {
|
|
|
483 if (session) {
|
|
|
484 if (SSL_set_session(c->ssl->connection, session) == 0) {
|
|
|
485 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
|
490 return NGX_OK;
|
|
|
491 }
|
|
|
492
|
|
|
493
|
|
|
494 ngx_int_t
|
|
96
|
495 ngx_ssl_handshake(ngx_connection_t *c)
|
|
|
496 {
|
|
|
497 int n, sslerr;
|
|
|
498 ngx_err_t err;
|
|
|
499
|
|
358
|
500 ngx_ssl_clear_error(c->log);
|
|
|
501
|
|
96
|
502 n = SSL_do_handshake(c->ssl->connection);
|
|
|
503
|
|
126
|
504 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
|
|
96
|
505
|
|
|
506 if (n == 1) {
|
|
|
507
|
|
|
508 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
509 return NGX_ERROR;
|
|
|
510 }
|
|
|
511
|
|
|
512 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
513 return NGX_ERROR;
|
|
|
514 }
|
|
|
515
|
|
|
516 #if (NGX_DEBUG)
|
|
|
517 {
|
|
|
518 char buf[129], *s, *d;
|
|
|
519 SSL_CIPHER *cipher;
|
|
|
520
|
|
|
521 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
522
|
|
|
523 if (cipher) {
|
|
|
524 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
525
|
|
|
526 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
527 if (*s == ' ' && *d == ' ') {
|
|
|
528 continue;
|
|
|
529 }
|
|
|
530
|
|
|
531 if (*s == LF || *s == CR) {
|
|
|
532 continue;
|
|
|
533 }
|
|
|
534
|
|
|
535 *++d = *s;
|
|
|
536 }
|
|
|
537
|
|
|
538 if (*d != ' ') {
|
|
|
539 d++;
|
|
|
540 }
|
|
|
541
|
|
|
542 *d = '\0';
|
|
|
543
|
|
132
|
544 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
545 "SSL: %s, cipher: \"%s\"",
|
|
126
|
546 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
547
|
|
|
548 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
549 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
550 "SSL reused session");
|
|
|
551 }
|
|
|
552
|
|
|
553 } else {
|
|
|
554 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
555 "SSL no shared ciphers");
|
|
96
|
556 }
|
|
|
557 }
|
|
|
558 #endif
|
|
|
559
|
|
|
560 c->ssl->handshaked = 1;
|
|
|
561
|
|
|
562 c->recv = ngx_ssl_recv;
|
|
|
563 c->send = ngx_ssl_write;
|
|
126
|
564 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
565 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
566
|
|
|
567 return NGX_OK;
|
|
|
568 }
|
|
|
569
|
|
|
570 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
571
|
|
|
572 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
573
|
|
|
574 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
575 c->read->ready = 0;
|
|
|
576 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
577 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
578
|
|
|
579 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
580 return NGX_ERROR;
|
|
|
581 }
|
|
|
582
|
|
|
583 return NGX_AGAIN;
|
|
|
584 }
|
|
|
585
|
|
|
586 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
587 c->write->ready = 0;
|
|
140
|
588 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
589 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
590
|
|
|
591 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
592 return NGX_ERROR;
|
|
|
593 }
|
|
|
594
|
|
|
595 return NGX_AGAIN;
|
|
|
596 }
|
|
|
597
|
|
|
598 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
599
|
|
|
600 c->ssl->no_wait_shutdown = 1;
|
|
|
601 c->ssl->no_send_shutdown = 1;
|
|
140
|
602 c->read->eof = 1;
|
|
96
|
603
|
|
|
604 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
605 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
606 "peer closed connection in SSL handshake");
|
|
96
|
607
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610
|
|
140
|
611 c->read->error = 1;
|
|
|
612
|
|
96
|
613 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
614
|
|
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617
|
|
|
618
|
|
|
619 static void
|
|
|
620 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
621 {
|
|
|
622 ngx_connection_t *c;
|
|
|
623
|
|
|
624 c = ev->data;
|
|
|
625
|
|
98
|
626 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
627 "SSL handshake handler: %d", ev->write);
|
|
96
|
628
|
|
140
|
629 if (ev->timedout) {
|
|
|
630 c->ssl->handler(c);
|
|
|
631 return;
|
|
|
632 }
|
|
|
633
|
|
96
|
634 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
635 return;
|
|
|
636 }
|
|
|
637
|
|
|
638 c->ssl->handler(c);
|
|
|
639 }
|
|
|
640
|
|
|
641
|
|
38
|
642 ssize_t
|
|
126
|
643 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
644 {
|
|
294
|
645 u_char *last;
|
|
126
|
646 ssize_t n, bytes;
|
|
|
647 ngx_buf_t *b;
|
|
|
648
|
|
|
649 bytes = 0;
|
|
|
650
|
|
294
|
651 b = cl->buf;
|
|
|
652 last = b->last;
|
|
|
653
|
|
|
654 for ( ;; ) {
|
|
|
655
|
|
|
656 n = ngx_ssl_recv(c, last, b->end - last);
|
|
126
|
657
|
|
|
658 if (n > 0) {
|
|
294
|
659 last += n;
|
|
126
|
660 bytes += n;
|
|
|
661
|
|
294
|
662 if (last == b->end) {
|
|
126
|
663 cl = cl->next;
|
|
294
|
664
|
|
|
665 if (cl == NULL) {
|
|
|
666 return bytes;
|
|
|
667 }
|
|
|
668
|
|
|
669 b = cl->buf;
|
|
|
670 last = b->last;
|
|
126
|
671 }
|
|
|
672
|
|
|
673 continue;
|
|
|
674 }
|
|
|
675
|
|
|
676 if (bytes) {
|
|
382
|
677
|
|
|
678 if (n == 0 || n == NGX_ERROR) {
|
|
|
679 c->read->ready = 1;
|
|
|
680 }
|
|
|
681
|
|
126
|
682 return bytes;
|
|
|
683 }
|
|
|
684
|
|
|
685 return n;
|
|
|
686 }
|
|
|
687 }
|
|
|
688
|
|
|
689
|
|
|
690 ssize_t
|
|
38
|
691 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
692 {
|
|
38
|
693 int n, bytes;
|
|
|
694
|
|
|
695 if (c->ssl->last == NGX_ERROR) {
|
|
330
|
696 c->read->error = 1;
|
|
38
|
697 return NGX_ERROR;
|
|
|
698 }
|
|
|
699
|
|
126
|
700 if (c->ssl->last == NGX_DONE) {
|
|
330
|
701 c->read->ready = 0;
|
|
|
702 c->read->eof = 1;
|
|
126
|
703 return 0;
|
|
|
704 }
|
|
|
705
|
|
38
|
706 bytes = 0;
|
|
0
|
707
|
|
358
|
708 ngx_ssl_clear_error(c->log);
|
|
|
709
|
|
38
|
710 /*
|
|
|
711 * SSL_read() may return data in parts, so try to read
|
|
|
712 * until SSL_read() would return no data
|
|
|
713 */
|
|
|
714
|
|
|
715 for ( ;; ) {
|
|
0
|
716
|
|
92
|
717 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
718
|
|
126
|
719 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
720
|
|
38
|
721 if (n > 0) {
|
|
|
722 bytes += n;
|
|
|
723 }
|
|
|
724
|
|
|
725 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
726
|
|
330
|
727 if (c->ssl->last == NGX_OK) {
|
|
|
728
|
|
|
729 size -= n;
|
|
|
730
|
|
|
731 if (size == 0) {
|
|
38
|
732 return bytes;
|
|
126
|
733 }
|
|
38
|
734
|
|
330
|
735 buf += n;
|
|
|
736
|
|
|
737 continue;
|
|
|
738 }
|
|
|
739
|
|
|
740 if (bytes) {
|
|
|
741 return bytes;
|
|
|
742 }
|
|
|
743
|
|
|
744 switch (c->ssl->last) {
|
|
|
745
|
|
|
746 case NGX_DONE:
|
|
|
747 c->read->ready = 0;
|
|
|
748 c->read->eof = 1;
|
|
|
749 return 0;
|
|
|
750
|
|
|
751 case NGX_ERROR:
|
|
|
752 c->read->error = 1;
|
|
|
753
|
|
|
754 /* fall thruogh */
|
|
|
755
|
|
|
756 case NGX_AGAIN:
|
|
126
|
757 return c->ssl->last;
|
|
28
|
758 }
|
|
38
|
759 }
|
|
|
760 }
|
|
|
761
|
|
|
762
|
|
|
763 static ngx_int_t
|
|
|
764 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
765 {
|
|
96
|
766 int sslerr;
|
|
|
767 ngx_err_t err;
|
|
38
|
768
|
|
|
769 if (n > 0) {
|
|
28
|
770
|
|
22
|
771 if (c->ssl->saved_write_handler) {
|
|
|
772
|
|
58
|
773 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
774 c->ssl->saved_write_handler = NULL;
|
|
|
775 c->write->ready = 1;
|
|
|
776
|
|
|
777 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
778 return NGX_ERROR;
|
|
|
779 }
|
|
|
780
|
|
112
|
781 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
782 }
|
|
|
783
|
|
38
|
784 return NGX_OK;
|
|
0
|
785 }
|
|
|
786
|
|
92
|
787 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
788
|
|
|
789 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
790
|
|
|
791 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
792
|
|
|
793 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
794 c->read->ready = 0;
|
|
0
|
795 return NGX_AGAIN;
|
|
|
796 }
|
|
|
797
|
|
|
798 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
799
|
|
96
|
800 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
801 "peer started SSL renegotiation");
|
|
22
|
802
|
|
|
803 c->write->ready = 0;
|
|
|
804
|
|
|
805 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
806 return NGX_ERROR;
|
|
|
807 }
|
|
|
808
|
|
|
809 /*
|
|
|
810 * we do not set the timer because there is already the read event timer
|
|
|
811 */
|
|
|
812
|
|
|
813 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
814 c->ssl->saved_write_handler = c->write->handler;
|
|
|
815 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
816 }
|
|
|
817
|
|
0
|
818 return NGX_AGAIN;
|
|
|
819 }
|
|
|
820
|
|
96
|
821 c->ssl->no_wait_shutdown = 1;
|
|
|
822 c->ssl->no_send_shutdown = 1;
|
|
0
|
823
|
|
|
824 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
825 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
826 "peer shutdown SSL cleanly");
|
|
|
827 return NGX_DONE;
|
|
0
|
828 }
|
|
|
829
|
|
96
|
830 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
831
|
|
|
832 return NGX_ERROR;
|
|
|
833 }
|
|
|
834
|
|
|
835
|
|
38
|
836 static void
|
|
|
837 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
838 {
|
|
|
839 ngx_connection_t *c;
|
|
|
840
|
|
|
841 c = wev->data;
|
|
96
|
842
|
|
58
|
843 c->read->handler(c->read);
|
|
22
|
844 }
|
|
|
845
|
|
|
846
|
|
0
|
847 /*
|
|
|
848 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
849 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
850 *
|
|
|
851 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
852 * the output to decrease a SSL overhead some more.
|
|
|
853 */
|
|
|
854
|
|
38
|
855 ngx_chain_t *
|
|
|
856 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
857 {
|
|
|
858 int n;
|
|
|
859 ngx_uint_t flush;
|
|
|
860 ssize_t send, size;
|
|
|
861 ngx_buf_t *buf;
|
|
|
862
|
|
146
|
863 if (!c->ssl->buffer
|
|
|
864 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED)))
|
|
|
865 {
|
|
0
|
866 /*
|
|
126
|
867 * we avoid a buffer copy if
|
|
|
868 * we do not need to buffer the output
|
|
|
869 * or the incoming buf is a single and our buffer is empty
|
|
0
|
870 */
|
|
|
871
|
|
126
|
872 while (in) {
|
|
|
873 if (ngx_buf_special(in->buf)) {
|
|
|
874 in = in->next;
|
|
|
875 continue;
|
|
|
876 }
|
|
0
|
877
|
|
126
|
878 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
879
|
|
|
880 if (n == NGX_ERROR) {
|
|
|
881 return NGX_CHAIN_ERROR;
|
|
|
882 }
|
|
0
|
883
|
|
126
|
884 if (n == NGX_AGAIN) {
|
|
146
|
885 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
886 return in;
|
|
|
887 }
|
|
|
888
|
|
|
889 in->buf->pos += n;
|
|
|
890
|
|
|
891 if (in->buf->pos == in->buf->last) {
|
|
|
892 in = in->next;
|
|
|
893 }
|
|
0
|
894 }
|
|
|
895
|
|
|
896 return in;
|
|
|
897 }
|
|
|
898
|
|
22
|
899
|
|
|
900 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
901
|
|
324
|
902 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) {
|
|
22
|
903 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
904 }
|
|
|
905
|
|
126
|
906 buf = c->ssl->buf;
|
|
358
|
907
|
|
|
908 if (buf == NULL) {
|
|
|
909 buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
|
|
|
910 if (buf == NULL) {
|
|
|
911 return NGX_CHAIN_ERROR;
|
|
|
912 }
|
|
|
913
|
|
|
914 c->ssl->buf = buf;
|
|
|
915 }
|
|
|
916
|
|
|
917 if (buf->start == NULL) {
|
|
|
918 buf->start = ngx_palloc(c->pool, NGX_SSL_BUFSIZE);
|
|
|
919 if (buf->start == NULL) {
|
|
|
920 return NGX_CHAIN_ERROR;
|
|
|
921 }
|
|
|
922
|
|
|
923 buf->pos = buf->start;
|
|
|
924 buf->last = buf->start;
|
|
|
925 buf->end = buf->start + NGX_SSL_BUFSIZE;
|
|
|
926 }
|
|
|
927
|
|
0
|
928 send = 0;
|
|
|
929 flush = (in == NULL) ? 1 : 0;
|
|
|
930
|
|
|
931 for ( ;; ) {
|
|
|
932
|
|
|
933 while (in && buf->last < buf->end) {
|
|
132
|
934 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
935 flush = 1;
|
|
|
936 }
|
|
|
937
|
|
|
938 if (ngx_buf_special(in->buf)) {
|
|
|
939 in = in->next;
|
|
|
940 continue;
|
|
|
941 }
|
|
|
942
|
|
|
943 size = in->buf->last - in->buf->pos;
|
|
|
944
|
|
|
945 if (size > buf->end - buf->last) {
|
|
|
946 size = buf->end - buf->last;
|
|
|
947 }
|
|
|
948
|
|
|
949 if (send + size > limit) {
|
|
126
|
950 size = (ssize_t) (limit - send);
|
|
0
|
951 flush = 1;
|
|
|
952 }
|
|
|
953
|
|
|
954 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
955 "SSL buf copy: %d", size);
|
|
|
956
|
|
|
957 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
958
|
|
|
959 buf->last += size;
|
|
|
960
|
|
|
961 in->buf->pos += size;
|
|
126
|
962
|
|
0
|
963 if (in->buf->pos == in->buf->last) {
|
|
|
964 in = in->next;
|
|
|
965 }
|
|
|
966 }
|
|
|
967
|
|
|
968 size = buf->last - buf->pos;
|
|
|
969
|
|
|
970 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
971 break;
|
|
|
972 }
|
|
|
973
|
|
|
974 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
975
|
|
|
976 if (n == NGX_ERROR) {
|
|
|
977 return NGX_CHAIN_ERROR;
|
|
|
978 }
|
|
|
979
|
|
60
|
980 if (n == NGX_AGAIN) {
|
|
146
|
981 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
982 return in;
|
|
0
|
983 }
|
|
|
984
|
|
|
985 buf->pos += n;
|
|
|
986 send += n;
|
|
|
987 c->sent += n;
|
|
|
988
|
|
|
989 if (n < size) {
|
|
|
990 break;
|
|
|
991 }
|
|
|
992
|
|
|
993 if (buf->pos == buf->last) {
|
|
|
994 buf->pos = buf->start;
|
|
|
995 buf->last = buf->start;
|
|
|
996 }
|
|
|
997
|
|
|
998 if (in == NULL || send == limit) {
|
|
|
999 break;
|
|
|
1000 }
|
|
|
1001 }
|
|
|
1002
|
|
146
|
1003 if (buf->pos < buf->last) {
|
|
|
1004 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
1005
|
|
|
1006 } else {
|
|
|
1007 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
1008 }
|
|
0
|
1009
|
|
|
1010 return in;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013
|
|
88
|
1014 ssize_t
|
|
38
|
1015 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
1016 {
|
|
96
|
1017 int n, sslerr;
|
|
|
1018 ngx_err_t err;
|
|
0
|
1019
|
|
358
|
1020 ngx_ssl_clear_error(c->log);
|
|
|
1021
|
|
0
|
1022 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
1023
|
|
92
|
1024 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
1025
|
|
|
1026 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
1027
|
|
|
1028 if (n > 0) {
|
|
88
|
1029
|
|
22
|
1030 if (c->ssl->saved_read_handler) {
|
|
|
1031
|
|
58
|
1032 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
1033 c->ssl->saved_read_handler = NULL;
|
|
|
1034 c->read->ready = 1;
|
|
|
1035
|
|
|
1036 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1037 return NGX_ERROR;
|
|
|
1038 }
|
|
|
1039
|
|
112
|
1040 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
1041 }
|
|
|
1042
|
|
0
|
1043 return n;
|
|
|
1044 }
|
|
|
1045
|
|
92
|
1046 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1047
|
|
|
1048 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1049
|
|
|
1050 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
1051
|
|
|
1052 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
1053 c->write->ready = 0;
|
|
|
1054 return NGX_AGAIN;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
1058
|
|
96
|
1059 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
1060 "peer started SSL renegotiation");
|
|
22
|
1061
|
|
|
1062 c->read->ready = 0;
|
|
|
1063
|
|
|
1064 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1065 return NGX_ERROR;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 /*
|
|
|
1069 * we do not set the timer because there is already
|
|
|
1070 * the write event timer
|
|
|
1071 */
|
|
|
1072
|
|
|
1073 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
1074 c->ssl->saved_read_handler = c->read->handler;
|
|
|
1075 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
1076 }
|
|
|
1077
|
|
0
|
1078 return NGX_AGAIN;
|
|
|
1079 }
|
|
|
1080
|
|
96
|
1081 c->ssl->no_wait_shutdown = 1;
|
|
|
1082 c->ssl->no_send_shutdown = 1;
|
|
140
|
1083 c->write->error = 1;
|
|
92
|
1084
|
|
96
|
1085 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
1086
|
|
|
1087 return NGX_ERROR;
|
|
|
1088 }
|
|
|
1089
|
|
|
1090
|
|
38
|
1091 static void
|
|
|
1092 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
1093 {
|
|
|
1094 ngx_connection_t *c;
|
|
|
1095
|
|
|
1096 c = rev->data;
|
|
96
|
1097
|
|
58
|
1098 c->write->handler(c->write);
|
|
22
|
1099 }
|
|
|
1100
|
|
|
1101
|
|
358
|
1102 void
|
|
|
1103 ngx_ssl_free_buffer(ngx_connection_t *c)
|
|
|
1104 {
|
|
360
|
1105 if (c->ssl->buf && c->ssl->buf->start) {
|
|
|
1106 if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
|
|
|
1107 c->ssl->buf->start = NULL;
|
|
|
1108 }
|
|
358
|
1109 }
|
|
|
1110 }
|
|
|
1111
|
|
|
1112
|
|
38
|
1113 ngx_int_t
|
|
|
1114 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
1115 {
|
|
358
|
1116 int n, sslerr, mode;
|
|
|
1117 ngx_err_t err;
|
|
0
|
1118
|
|
126
|
1119 if (c->timedout) {
|
|
96
|
1120 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
1121
|
|
96
|
1122 } else {
|
|
|
1123 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
1124
|
|
96
|
1125 if (c->ssl->no_wait_shutdown) {
|
|
|
1126 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
1127 }
|
|
|
1128
|
|
96
|
1129 if (c->ssl->no_send_shutdown) {
|
|
|
1130 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
1131 }
|
|
|
1132 }
|
|
|
1133
|
|
96
|
1134 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
1135
|
|
358
|
1136 ngx_ssl_clear_error(c->log);
|
|
|
1137
|
|
|
1138 n = SSL_shutdown(c->ssl->connection);
|
|
|
1139
|
|
|
1140 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
1141
|
|
10
|
1142 sslerr = 0;
|
|
0
|
1143
|
|
364
|
1144 /* SSL_shutdown() never returns -1, on error it returns 0 */
|
|
|
1145
|
|
|
1146 if (n != 1 && ERR_peek_error()) {
|
|
92
|
1147 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1148
|
|
|
1149 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1150 "SSL_get_error: %d", sslerr);
|
|
|
1151 }
|
|
|
1152
|
|
364
|
1153 if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
|
|
358
|
1154 SSL_free(c->ssl->connection);
|
|
|
1155 c->ssl = NULL;
|
|
|
1156
|
|
|
1157 return NGX_OK;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
|
|
126
|
1161 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1162 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1163
|
|
0
|
1164 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1165 return NGX_ERROR;
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
1169 return NGX_ERROR;
|
|
|
1170 }
|
|
|
1171
|
|
358
|
1172 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
138
|
1173 ngx_add_timer(c->read, 30000);
|
|
|
1174 }
|
|
|
1175
|
|
0
|
1176 return NGX_AGAIN;
|
|
|
1177 }
|
|
|
1178
|
|
140
|
1179 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1180
|
|
|
1181 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1182
|
|
92
|
1183 SSL_free(c->ssl->connection);
|
|
|
1184 c->ssl = NULL;
|
|
|
1185
|
|
0
|
1186 return NGX_ERROR;
|
|
|
1187 }
|
|
|
1188
|
|
|
1189
|
|
96
|
1190 static void
|
|
126
|
1191 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1192 {
|
|
|
1193 ngx_connection_t *c;
|
|
|
1194 ngx_connection_handler_pt handler;
|
|
|
1195
|
|
|
1196 c = ev->data;
|
|
|
1197 handler = c->ssl->handler;
|
|
|
1198
|
|
|
1199 if (ev->timedout) {
|
|
|
1200 c->timedout = 1;
|
|
|
1201 }
|
|
|
1202
|
|
272
|
1203 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1204
|
|
|
1205 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1206 return;
|
|
|
1207 }
|
|
|
1208
|
|
|
1209 handler(c);
|
|
|
1210 }
|
|
|
1211
|
|
|
1212
|
|
|
1213 static void
|
|
96
|
1214 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1215 char *text)
|
|
|
1216 {
|
|
364
|
1217 int n;
|
|
96
|
1218 ngx_uint_t level;
|
|
|
1219
|
|
|
1220 level = NGX_LOG_CRIT;
|
|
|
1221
|
|
|
1222 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1223
|
|
|
1224 if (err == NGX_ECONNRESET
|
|
|
1225 || err == NGX_EPIPE
|
|
|
1226 || err == NGX_ENOTCONN
|
|
138
|
1227 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1228 || err == NGX_ETIMEDOUT
|
|
|
1229 #endif
|
|
96
|
1230 || err == NGX_ECONNREFUSED
|
|
364
|
1231 || err == NGX_ENETDOWN
|
|
|
1232 || err == NGX_ENETUNREACH
|
|
|
1233 || err == NGX_EHOSTDOWN
|
|
96
|
1234 || err == NGX_EHOSTUNREACH)
|
|
|
1235 {
|
|
|
1236 switch (c->log_error) {
|
|
|
1237
|
|
|
1238 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1239 case NGX_ERROR_INFO:
|
|
|
1240 level = NGX_LOG_INFO;
|
|
|
1241 break;
|
|
|
1242
|
|
|
1243 case NGX_ERROR_ERR:
|
|
|
1244 level = NGX_LOG_ERR;
|
|
|
1245 break;
|
|
|
1246
|
|
|
1247 default:
|
|
|
1248 break;
|
|
|
1249 }
|
|
|
1250 }
|
|
364
|
1251
|
|
|
1252 } else if (sslerr == SSL_ERROR_SSL) {
|
|
|
1253
|
|
|
1254 n = ERR_GET_REASON(ERR_peek_error());
|
|
|
1255
|
|
|
1256 /* handshake failures */
|
|
370
|
1257 if (n == SSL_R_DIGEST_CHECK_FAILED
|
|
|
1258 || n == SSL_R_NO_SHARED_CIPHER
|
|
364
|
1259 || n == SSL_R_UNEXPECTED_MESSAGE
|
|
|
1260 || n == SSL_R_WRONG_VERSION_NUMBER
|
|
370
|
1261 || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC
|
|
364
|
1262 || n == 1000 /* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */
|
|
370
|
1263 || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE
|
|
|
1264 || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC
|
|
|
1265 || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE
|
|
|
1266 || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE
|
|
|
1267 || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE
|
|
|
1268 || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE
|
|
|
1269 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED
|
|
364
|
1270 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED
|
|
370
|
1271 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN
|
|
364
|
1272 || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER
|
|
|
1273 || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA)
|
|
|
1274 {
|
|
|
1275 switch (c->log_error) {
|
|
|
1276
|
|
|
1277 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1278 case NGX_ERROR_INFO:
|
|
|
1279 level = NGX_LOG_INFO;
|
|
|
1280 break;
|
|
|
1281
|
|
|
1282 case NGX_ERROR_ERR:
|
|
|
1283 level = NGX_LOG_ERR;
|
|
|
1284 break;
|
|
|
1285
|
|
|
1286 default:
|
|
|
1287 break;
|
|
|
1288 }
|
|
|
1289 }
|
|
96
|
1290 }
|
|
|
1291
|
|
|
1292 ngx_ssl_error(level, c->log, err, text);
|
|
|
1293 }
|
|
|
1294
|
|
|
1295
|
|
358
|
1296 static void
|
|
|
1297 ngx_ssl_clear_error(ngx_log_t *log)
|
|
|
1298 {
|
|
364
|
1299 while (ERR_peek_error()) {
|
|
358
|
1300 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
|
|
|
1301 }
|
|
364
|
1302
|
|
|
1303 ERR_clear_error();
|
|
358
|
1304 }
|
|
|
1305
|
|
|
1306
|
|
132
|
1307 void ngx_cdecl
|
|
38
|
1308 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1309 {
|
|
364
|
1310 u_long n;
|
|
|
1311 va_list args;
|
|
|
1312 u_char *p, *last;
|
|
|
1313 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
10
|
1314
|
|
|
1315 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1316
|
|
|
1317 va_start(args, fmt);
|
|
10
|
1318 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1319 va_end(args);
|
|
|
1320
|
|
96
|
1321 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1322
|
|
364
|
1323 for ( ;; ) {
|
|
132
|
1324
|
|
|
1325 n = ERR_get_error();
|
|
|
1326
|
|
|
1327 if (n == 0) {
|
|
|
1328 break;
|
|
|
1329 }
|
|
96
|
1330
|
|
364
|
1331 if (p >= last) {
|
|
|
1332 continue;
|
|
|
1333 }
|
|
|
1334
|
|
96
|
1335 *p++ = ' ';
|
|
0
|
1336
|
|
96
|
1337 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1338
|
|
|
1339 while (p < last && *p) {
|
|
|
1340 p++;
|
|
|
1341 }
|
|
|
1342 }
|
|
0
|
1343
|
|
|
1344 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1345 }
|
|
58
|
1346
|
|
|
1347
|
|
272
|
1348 ngx_int_t
|
|
|
1349 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1350 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1351 {
|
|
|
1352 long cache_mode;
|
|
|
1353
|
|
358
|
1354 if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
|
|
|
1355 SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
|
|
|
1356 return NGX_OK;
|
|
|
1357 }
|
|
|
1358
|
|
378
|
1359 if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
|
|
|
1360
|
|
|
1361 /*
|
|
|
1362 * If the server explicitly says that it does not support
|
|
|
1363 * session reuse (see SSL_SESS_CACHE_OFF above), then
|
|
|
1364 * Outlook Express fails to upload a sent email to
|
|
|
1365 * the Sent Items folder on the IMAP server via a separate IMAP
|
|
|
1366 * connection in the background. Therefore we have a special
|
|
|
1367 * mode (SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|
1368 * where the server pretends that it supports session reuse,
|
|
|
1369 * but it does not actually store any session.
|
|
|
1370 */
|
|
|
1371
|
|
|
1372 SSL_CTX_set_session_cache_mode(ssl->ctx,
|
|
|
1373 SSL_SESS_CACHE_SERVER
|
|
|
1374 |SSL_SESS_CACHE_NO_AUTO_CLEAR
|
|
|
1375 |SSL_SESS_CACHE_NO_INTERNAL_STORE);
|
|
|
1376
|
|
|
1377 SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
|
|
|
1378
|
|
|
1379 return NGX_OK;
|
|
|
1380 }
|
|
|
1381
|
|
272
|
1382 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1383
|
|
|
1384 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1385 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1386 }
|
|
|
1387
|
|
|
1388 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1389
|
|
|
1390 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1391
|
|
|
1392 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1393
|
|
|
1394 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1395 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1396 }
|
|
|
1397 }
|
|
|
1398
|
|
274
|
1399 SSL_CTX_set_timeout(ssl->ctx, timeout);
|
|
|
1400
|
|
272
|
1401 if (shm_zone) {
|
|
|
1402 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1403
|
|
|
1404 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1405 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1406 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1407
|
|
|
1408 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1409 == 0)
|
|
|
1410 {
|
|
|
1411 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1412 "SSL_CTX_set_ex_data() failed");
|
|
|
1413 return NGX_ERROR;
|
|
|
1414 }
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 return NGX_OK;
|
|
|
1418 }
|
|
|
1419
|
|
|
1420
|
|
|
1421 static ngx_int_t
|
|
|
1422 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1423 {
|
|
|
1424 ngx_slab_pool_t *shpool;
|
|
|
1425 ngx_ssl_session_cache_t *cache;
|
|
|
1426
|
|
|
1427 if (data) {
|
|
|
1428 shm_zone->data = data;
|
|
|
1429 return NGX_OK;
|
|
|
1430 }
|
|
|
1431
|
|
|
1432 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1433
|
|
|
1434 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1435 if (cache == NULL) {
|
|
|
1436 return NGX_ERROR;
|
|
|
1437 }
|
|
|
1438
|
|
358
|
1439 ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
|
|
356
|
1440 ngx_ssl_session_rbtree_insert_value);
|
|
272
|
1441
|
|
358
|
1442 ngx_queue_init(&cache->expire_queue);
|
|
|
1443
|
|
272
|
1444 shm_zone->data = cache;
|
|
|
1445
|
|
|
1446 return NGX_OK;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449
|
|
|
1450 /*
|
|
274
|
1451 * The length of the session id is 16 bytes for SSLv2 sessions and
|
|
|
1452 * between 1 and 32 bytes for SSLv3/TLSv1, typically 32 bytes.
|
|
|
1453 * It seems that the typical length of the external ASN1 representation
|
|
|
1454 * of a session is 118 or 119 bytes for SSLv3/TSLv1.
|
|
|
1455 *
|
|
|
1456 * Thus on 32-bit platforms we allocate separately an rbtree node,
|
|
|
1457 * a session id, and an ASN1 representation, they take accordingly
|
|
|
1458 * 64, 32, and 128 bytes.
|
|
|
1459 *
|
|
|
1460 * On 64-bit platforms we allocate separately an rbtree node + session_id,
|
|
|
1461 * and an ASN1 representation, they take accordingly 128 and 128 bytes.
|
|
|
1462 *
|
|
272
|
1463 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1464 * so they are outside the code locked by shared pool mutex
|
|
|
1465 */
|
|
|
1466
|
|
|
1467 static int
|
|
|
1468 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1469 {
|
|
|
1470 int len;
|
|
274
|
1471 u_char *p, *id, *cached_sess;
|
|
272
|
1472 uint32_t hash;
|
|
|
1473 SSL_CTX *ssl_ctx;
|
|
|
1474 ngx_shm_zone_t *shm_zone;
|
|
|
1475 ngx_connection_t *c;
|
|
|
1476 ngx_slab_pool_t *shpool;
|
|
|
1477 ngx_ssl_sess_id_t *sess_id;
|
|
|
1478 ngx_ssl_session_cache_t *cache;
|
|
|
1479 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1480
|
|
|
1481 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1482
|
|
|
1483 /* do not cache too big session */
|
|
|
1484
|
|
|
1485 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1486 return 0;
|
|
|
1487 }
|
|
|
1488
|
|
|
1489 p = buf;
|
|
|
1490 i2d_SSL_SESSION(sess, &p);
|
|
|
1491
|
|
|
1492 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1493
|
|
|
1494 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1495 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1496
|
|
|
1497 cache = shm_zone->data;
|
|
|
1498 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1499
|
|
|
1500 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1501
|
|
|
1502 /* drop one or two expired sessions */
|
|
|
1503 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1504
|
|
274
|
1505 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1506
|
|
|
1507 if (cached_sess == NULL) {
|
|
|
1508
|
|
|
1509 /* drop the oldest non-expired session and try once more */
|
|
|
1510
|
|
|
1511 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1512
|
|
274
|
1513 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1514
|
|
|
1515 if (cached_sess == NULL) {
|
|
274
|
1516 sess_id = NULL;
|
|
272
|
1517 goto failed;
|
|
|
1518 }
|
|
|
1519 }
|
|
|
1520
|
|
|
1521 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1522 if (sess_id == NULL) {
|
|
|
1523 goto failed;
|
|
|
1524 }
|
|
|
1525
|
|
274
|
1526 #if (NGX_PTR_SIZE == 8)
|
|
|
1527
|
|
|
1528 id = sess_id->sess_id;
|
|
|
1529
|
|
|
1530 #else
|
|
|
1531
|
|
|
1532 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1533 if (id == NULL) {
|
|
|
1534 goto failed;
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 #endif
|
|
|
1538
|
|
|
1539 ngx_memcpy(cached_sess, buf, len);
|
|
272
|
1540
|
|
|
1541 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1542
|
|
|
1543 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1544
|
|
|
1545 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1546 "http ssl new session: %08XD:%d:%d",
|
|
|
1547 hash, sess->session_id_length, len);
|
|
|
1548
|
|
|
1549 sess_id->node.key = hash;
|
|
|
1550 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1551 sess_id->id = id;
|
|
|
1552 sess_id->len = len;
|
|
|
1553 sess_id->session = cached_sess;
|
|
|
1554
|
|
358
|
1555 sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1556
|
|
|
1557 ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
|
|
|
1558
|
|
|
1559 ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
|
|
272
|
1560
|
|
|
1561 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1562
|
|
|
1563 return 0;
|
|
|
1564
|
|
|
1565 failed:
|
|
|
1566
|
|
|
1567 if (cached_sess) {
|
|
|
1568 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1569 }
|
|
|
1570
|
|
274
|
1571 if (sess_id) {
|
|
|
1572 ngx_slab_free_locked(shpool, sess_id);
|
|
272
|
1573 }
|
|
|
1574
|
|
|
1575 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1576
|
|
|
1577 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1578 "could not add new SSL session to the session cache");
|
|
|
1579
|
|
|
1580 return 0;
|
|
|
1581 }
|
|
|
1582
|
|
|
1583
|
|
|
1584 static ngx_ssl_session_t *
|
|
|
1585 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1586 int *copy)
|
|
|
1587 {
|
|
|
1588 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1589 const
|
|
|
1590 #endif
|
|
|
1591 u_char *p;
|
|
|
1592 uint32_t hash;
|
|
274
|
1593 ngx_int_t rc;
|
|
272
|
1594 ngx_shm_zone_t *shm_zone;
|
|
|
1595 ngx_slab_pool_t *shpool;
|
|
|
1596 ngx_connection_t *c;
|
|
|
1597 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1598 ngx_ssl_session_t *sess;
|
|
|
1599 ngx_ssl_sess_id_t *sess_id;
|
|
|
1600 ngx_ssl_session_cache_t *cache;
|
|
|
1601 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1602
|
|
|
1603 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1604
|
|
274
|
1605 hash = ngx_crc32_short(id, (size_t) len);
|
|
272
|
1606 *copy = 0;
|
|
|
1607
|
|
|
1608 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1609 "http ssl get session: %08XD:%d", hash, len);
|
|
|
1610
|
|
|
1611 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1612 ngx_ssl_session_cache_index);
|
|
|
1613
|
|
|
1614 cache = shm_zone->data;
|
|
|
1615
|
|
|
1616 sess = NULL;
|
|
|
1617
|
|
|
1618 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1619
|
|
|
1620 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1621
|
|
358
|
1622 node = cache->session_rbtree.root;
|
|
|
1623 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1624
|
|
|
1625 while (node != sentinel) {
|
|
|
1626
|
|
|
1627 if (hash < node->key) {
|
|
|
1628 node = node->left;
|
|
|
1629 continue;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 if (hash > node->key) {
|
|
|
1633 node = node->right;
|
|
|
1634 continue;
|
|
|
1635 }
|
|
|
1636
|
|
274
|
1637 /* hash == node->key */
|
|
|
1638
|
|
|
1639 do {
|
|
272
|
1640 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1641
|
|
274
|
1642 rc = ngx_memn2cmp(id, sess_id->id,
|
|
|
1643 (size_t) len, (size_t) node->data);
|
|
|
1644 if (rc == 0) {
|
|
272
|
1645
|
|
358
|
1646 if (sess_id->expire > ngx_time()) {
|
|
274
|
1647 ngx_memcpy(buf, sess_id->session, sess_id->len);
|
|
272
|
1648
|
|
|
1649 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1650
|
|
|
1651 p = buf;
|
|
|
1652 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1653
|
|
|
1654 return sess;
|
|
|
1655 }
|
|
|
1656
|
|
358
|
1657 ngx_queue_remove(&sess_id->queue);
|
|
|
1658
|
|
|
1659 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1660
|
|
274
|
1661 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1662 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1663 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1664 #endif
|
|
272
|
1665 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1666
|
|
|
1667 sess = NULL;
|
|
|
1668
|
|
274
|
1669 goto done;
|
|
272
|
1670 }
|
|
274
|
1671
|
|
|
1672 node = (rc < 0) ? node->left : node->right;
|
|
|
1673
|
|
|
1674 } while (node != sentinel && hash == node->key);
|
|
|
1675
|
|
|
1676 break;
|
|
272
|
1677 }
|
|
|
1678
|
|
274
|
1679 done:
|
|
|
1680
|
|
272
|
1681 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1682
|
|
|
1683 return sess;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686
|
|
366
|
1687 void
|
|
|
1688 ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1689 {
|
|
|
1690 SSL_CTX_remove_session(ssl, sess);
|
|
|
1691
|
|
|
1692 ngx_ssl_remove_session(ssl, sess);
|
|
|
1693 }
|
|
|
1694
|
|
|
1695
|
|
272
|
1696 static void
|
|
|
1697 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1698 {
|
|
274
|
1699 size_t len;
|
|
|
1700 u_char *id;
|
|
272
|
1701 uint32_t hash;
|
|
274
|
1702 ngx_int_t rc;
|
|
272
|
1703 ngx_shm_zone_t *shm_zone;
|
|
|
1704 ngx_slab_pool_t *shpool;
|
|
|
1705 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1706 ngx_ssl_sess_id_t *sess_id;
|
|
|
1707 ngx_ssl_session_cache_t *cache;
|
|
|
1708
|
|
|
1709 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1710
|
|
366
|
1711 if (shm_zone == NULL) {
|
|
|
1712 return;
|
|
|
1713 }
|
|
|
1714
|
|
272
|
1715 cache = shm_zone->data;
|
|
|
1716
|
|
|
1717 id = sess->session_id;
|
|
274
|
1718 len = (size_t) sess->session_id_length;
|
|
|
1719
|
|
|
1720 hash = ngx_crc32_short(id, len);
|
|
272
|
1721
|
|
|
1722 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
274
|
1723 "http ssl remove session: %08XD:%uz", hash, len);
|
|
272
|
1724
|
|
|
1725 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1726
|
|
|
1727 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1728
|
|
358
|
1729 node = cache->session_rbtree.root;
|
|
|
1730 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1731
|
|
|
1732 while (node != sentinel) {
|
|
|
1733
|
|
|
1734 if (hash < node->key) {
|
|
|
1735 node = node->left;
|
|
|
1736 continue;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739 if (hash > node->key) {
|
|
|
1740 node = node->right;
|
|
|
1741 continue;
|
|
|
1742 }
|
|
|
1743
|
|
274
|
1744 /* hash == node->key */
|
|
|
1745
|
|
|
1746 do {
|
|
272
|
1747 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1748
|
|
274
|
1749 rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
|
|
|
1750
|
|
|
1751 if (rc == 0) {
|
|
358
|
1752
|
|
|
1753 ngx_queue_remove(&sess_id->queue);
|
|
|
1754
|
|
|
1755 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1756
|
|
274
|
1757 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1758 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1759 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1760 #endif
|
|
272
|
1761 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1762
|
|
274
|
1763 goto done;
|
|
272
|
1764 }
|
|
274
|
1765
|
|
|
1766 node = (rc < 0) ? node->left : node->right;
|
|
|
1767
|
|
|
1768 } while (node != sentinel && hash == node->key);
|
|
|
1769
|
|
|
1770 break;
|
|
272
|
1771 }
|
|
|
1772
|
|
274
|
1773 done:
|
|
|
1774
|
|
272
|
1775 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1776 }
|
|
|
1777
|
|
|
1778
|
|
|
1779 static void
|
|
|
1780 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1781 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1782 {
|
|
358
|
1783 time_t now;
|
|
|
1784 ngx_queue_t *q;
|
|
274
|
1785 ngx_ssl_sess_id_t *sess_id;
|
|
272
|
1786
|
|
358
|
1787 now = ngx_time();
|
|
272
|
1788
|
|
|
1789 while (n < 3) {
|
|
|
1790
|
|
358
|
1791 if (ngx_queue_empty(&cache->expire_queue)) {
|
|
272
|
1792 return;
|
|
|
1793 }
|
|
|
1794
|
|
358
|
1795 q = ngx_queue_last(&cache->expire_queue);
|
|
|
1796
|
|
|
1797 sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
|
|
|
1798
|
|
|
1799 if (n++ != 0 && sess_id->expire > now) {
|
|
332
|
1800 return;
|
|
272
|
1801 }
|
|
|
1802
|
|
358
|
1803 ngx_queue_remove(q);
|
|
272
|
1804
|
|
|
1805 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1806 "expire session: %08Xi", sess_id->node.key);
|
|
|
1807
|
|
358
|
1808 ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
|
|
|
1809
|
|
274
|
1810 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1811 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1812 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1813 #endif
|
|
272
|
1814 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1815 }
|
|
|
1816 }
|
|
|
1817
|
|
|
1818
|
|
274
|
1819 static void
|
|
|
1820 ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
1821 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1822 {
|
|
356
|
1823 ngx_rbtree_node_t **p;
|
|
|
1824 ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
|
|
274
|
1825
|
|
|
1826 for ( ;; ) {
|
|
|
1827
|
|
|
1828 if (node->key < temp->key) {
|
|
|
1829
|
|
356
|
1830 p = &temp->left;
|
|
274
|
1831
|
|
|
1832 } else if (node->key > temp->key) {
|
|
|
1833
|
|
356
|
1834 p = &temp->right;
|
|
274
|
1835
|
|
|
1836 } else { /* node->key == temp->key */
|
|
|
1837
|
|
|
1838 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1839 sess_id_temp = (ngx_ssl_sess_id_t *) temp;
|
|
|
1840
|
|
356
|
1841 p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
|
|
|
1842 (size_t) node->data, (size_t) temp->data)
|
|
|
1843 < 0) ? &temp->left : &temp->right;
|
|
274
|
1844 }
|
|
356
|
1845
|
|
|
1846 if (*p == sentinel) {
|
|
|
1847 break;
|
|
|
1848 }
|
|
|
1849
|
|
|
1850 temp = *p;
|
|
274
|
1851 }
|
|
|
1852
|
|
356
|
1853 *p = node;
|
|
274
|
1854 node->parent = temp;
|
|
|
1855 node->left = sentinel;
|
|
|
1856 node->right = sentinel;
|
|
|
1857 ngx_rbt_red(node);
|
|
276
|
1858 }
|
|
274
|
1859
|
|
|
1860
|
|
58
|
1861 void
|
|
|
1862 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1863 {
|
|
138
|
1864 ngx_ssl_t *ssl = data;
|
|
58
|
1865
|
|
138
|
1866 SSL_CTX_free(ssl->ctx);
|
|
58
|
1867 }
|
|
90
|
1868
|
|
|
1869
|
|
220
|
1870 ngx_int_t
|
|
|
1871 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1872 {
|
|
220
|
1873 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1874 return NGX_OK;
|
|
160
|
1875 }
|
|
|
1876
|
|
|
1877
|
|
220
|
1878 ngx_int_t
|
|
|
1879 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1880 {
|
|
220
|
1881 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1882 return NGX_OK;
|
|
160
|
1883 }
|
|
|
1884
|
|
|
1885
|
|
196
|
1886 ngx_int_t
|
|
390
|
1887 ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
380
|
1888 {
|
|
|
1889 size_t len;
|
|
|
1890 BIO *bio;
|
|
|
1891 X509 *cert;
|
|
|
1892
|
|
|
1893 s->len = 0;
|
|
|
1894
|
|
|
1895 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1896 if (cert == NULL) {
|
|
|
1897 return NGX_OK;
|
|
|
1898 }
|
|
|
1899
|
|
|
1900 bio = BIO_new(BIO_s_mem());
|
|
|
1901 if (bio == NULL) {
|
|
|
1902 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
|
|
|
1903 X509_free(cert);
|
|
|
1904 return NGX_ERROR;
|
|
|
1905 }
|
|
|
1906
|
|
|
1907 if (PEM_write_bio_X509(bio, cert) == 0) {
|
|
|
1908 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
|
|
|
1909 goto failed;
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 len = BIO_pending(bio);
|
|
|
1913 s->len = len;
|
|
|
1914
|
|
382
|
1915 s->data = ngx_pnalloc(pool, len);
|
|
380
|
1916 if (s->data == NULL) {
|
|
|
1917 goto failed;
|
|
|
1918 }
|
|
|
1919
|
|
|
1920 BIO_read(bio, s->data, len);
|
|
|
1921
|
|
|
1922 BIO_free(bio);
|
|
|
1923 X509_free(cert);
|
|
|
1924
|
|
|
1925 return NGX_OK;
|
|
|
1926
|
|
|
1927 failed:
|
|
|
1928
|
|
|
1929 BIO_free(bio);
|
|
|
1930 X509_free(cert);
|
|
|
1931
|
|
|
1932 return NGX_ERROR;
|
|
|
1933 }
|
|
|
1934
|
|
|
1935
|
|
|
1936 ngx_int_t
|
|
390
|
1937 ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1938 {
|
|
|
1939 u_char *p;
|
|
|
1940 size_t len;
|
|
|
1941 ngx_uint_t i;
|
|
|
1942 ngx_str_t cert;
|
|
|
1943
|
|
|
1944 if (ngx_ssl_get_raw_certificate(c, pool, &cert) != NGX_OK) {
|
|
|
1945 return NGX_ERROR;
|
|
|
1946 }
|
|
|
1947
|
|
|
1948 if (cert.len == 0) {
|
|
|
1949 s->len = 0;
|
|
|
1950 return NGX_OK;
|
|
|
1951 }
|
|
|
1952
|
|
|
1953 len = cert.len - 1;
|
|
|
1954
|
|
|
1955 for (i = 0; i < cert.len - 1; i++) {
|
|
|
1956 if (cert.data[i] == LF) {
|
|
|
1957 len++;
|
|
|
1958 }
|
|
|
1959 }
|
|
|
1960
|
|
|
1961 s->len = len;
|
|
|
1962 s->data = ngx_pnalloc(pool, len);
|
|
|
1963 if (s->data == NULL) {
|
|
|
1964 return NGX_ERROR;
|
|
|
1965 }
|
|
|
1966
|
|
|
1967 p = s->data;
|
|
|
1968
|
|
|
1969 for (i = 0; i < len; i++) {
|
|
|
1970 *p++ = cert.data[i];
|
|
|
1971 if (cert.data[i] == LF) {
|
|
|
1972 *p++ = '\t';
|
|
|
1973 }
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 return NGX_OK;
|
|
|
1977 }
|
|
|
1978
|
|
|
1979
|
|
|
1980 ngx_int_t
|
|
196
|
1981 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1982 {
|
|
|
1983 char *p;
|
|
|
1984 size_t len;
|
|
|
1985 X509 *cert;
|
|
|
1986 X509_NAME *name;
|
|
|
1987
|
|
|
1988 s->len = 0;
|
|
|
1989
|
|
|
1990 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1991 if (cert == NULL) {
|
|
|
1992 return NGX_OK;
|
|
|
1993 }
|
|
|
1994
|
|
|
1995 name = X509_get_subject_name(cert);
|
|
|
1996 if (name == NULL) {
|
|
372
|
1997 X509_free(cert);
|
|
196
|
1998 return NGX_ERROR;
|
|
|
1999 }
|
|
|
2000
|
|
|
2001 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2002
|
|
|
2003 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2004
|
|
|
2005 s->len = len;
|
|
382
|
2006 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2007 if (s->data == NULL) {
|
|
|
2008 OPENSSL_free(p);
|
|
372
|
2009 X509_free(cert);
|
|
196
|
2010 return NGX_ERROR;
|
|
|
2011 }
|
|
|
2012
|
|
|
2013 ngx_memcpy(s->data, p, len);
|
|
|
2014
|
|
|
2015 OPENSSL_free(p);
|
|
372
|
2016 X509_free(cert);
|
|
196
|
2017
|
|
|
2018 return NGX_OK;
|
|
|
2019 }
|
|
|
2020
|
|
|
2021
|
|
|
2022 ngx_int_t
|
|
|
2023 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2024 {
|
|
|
2025 char *p;
|
|
|
2026 size_t len;
|
|
|
2027 X509 *cert;
|
|
|
2028 X509_NAME *name;
|
|
|
2029
|
|
|
2030 s->len = 0;
|
|
|
2031
|
|
|
2032 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2033 if (cert == NULL) {
|
|
|
2034 return NGX_OK;
|
|
|
2035 }
|
|
|
2036
|
|
|
2037 name = X509_get_issuer_name(cert);
|
|
|
2038 if (name == NULL) {
|
|
372
|
2039 X509_free(cert);
|
|
196
|
2040 return NGX_ERROR;
|
|
|
2041 }
|
|
|
2042
|
|
|
2043 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2044
|
|
|
2045 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2046
|
|
|
2047 s->len = len;
|
|
382
|
2048 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2049 if (s->data == NULL) {
|
|
|
2050 OPENSSL_free(p);
|
|
372
|
2051 X509_free(cert);
|
|
196
|
2052 return NGX_ERROR;
|
|
|
2053 }
|
|
|
2054
|
|
|
2055 ngx_memcpy(s->data, p, len);
|
|
|
2056
|
|
|
2057 OPENSSL_free(p);
|
|
372
|
2058 X509_free(cert);
|
|
196
|
2059
|
|
|
2060 return NGX_OK;
|
|
|
2061 }
|
|
|
2062
|
|
|
2063
|
|
220
|
2064 ngx_int_t
|
|
|
2065 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2066 {
|
|
|
2067 size_t len;
|
|
|
2068 X509 *cert;
|
|
|
2069 BIO *bio;
|
|
|
2070
|
|
|
2071 s->len = 0;
|
|
|
2072
|
|
|
2073 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2074 if (cert == NULL) {
|
|
|
2075 return NGX_OK;
|
|
|
2076 }
|
|
|
2077
|
|
|
2078 bio = BIO_new(BIO_s_mem());
|
|
|
2079 if (bio == NULL) {
|
|
372
|
2080 X509_free(cert);
|
|
220
|
2081 return NGX_ERROR;
|
|
|
2082 }
|
|
|
2083
|
|
|
2084 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
2085 len = BIO_pending(bio);
|
|
|
2086
|
|
|
2087 s->len = len;
|
|
382
|
2088 s->data = ngx_pnalloc(pool, len);
|
|
220
|
2089 if (s->data == NULL) {
|
|
|
2090 BIO_free(bio);
|
|
372
|
2091 X509_free(cert);
|
|
220
|
2092 return NGX_ERROR;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 BIO_read(bio, s->data, len);
|
|
|
2096 BIO_free(bio);
|
|
372
|
2097 X509_free(cert);
|
|
220
|
2098
|
|
|
2099 return NGX_OK;
|
|
|
2100 }
|
|
|
2101
|
|
|
2102
|
|
90
|
2103 static void *
|
|
|
2104 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
2105 {
|
|
|
2106 ngx_openssl_conf_t *oscf;
|
|
126
|
2107
|
|
90
|
2108 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
2109 if (oscf == NULL) {
|
|
|
2110 return NGX_CONF_ERROR;
|
|
|
2111 }
|
|
126
|
2112
|
|
90
|
2113 /*
|
|
|
2114 * set by ngx_pcalloc():
|
|
126
|
2115 *
|
|
90
|
2116 * oscf->engine.len = 0;
|
|
|
2117 * oscf->engine.data = NULL;
|
|
126
|
2118 */
|
|
90
|
2119
|
|
|
2120 return oscf;
|
|
|
2121 }
|
|
|
2122
|
|
|
2123
|
|
|
2124 static char *
|
|
|
2125 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
2126 {
|
|
|
2127 #if (NGX_SSL_ENGINE)
|
|
|
2128 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
2129
|
|
90
|
2130 ENGINE *engine;
|
|
|
2131
|
|
|
2132 if (oscf->engine.len == 0) {
|
|
|
2133 return NGX_CONF_OK;
|
|
|
2134 }
|
|
126
|
2135
|
|
90
|
2136 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
2137
|
|
|
2138 if (engine == NULL) {
|
|
|
2139 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2140 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
2141 return NGX_CONF_ERROR;
|
|
|
2142 }
|
|
|
2143
|
|
|
2144 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
2145 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2146 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
2147 &oscf->engine);
|
|
|
2148 return NGX_CONF_ERROR;
|
|
|
2149 }
|
|
|
2150
|
|
|
2151 ENGINE_free(engine);
|
|
|
2152
|
|
|
2153 #endif
|
|
|
2154
|
|
|
2155 return NGX_CONF_OK;
|
|
|
2156 }
|
|
|
2157
|
|
|
2158
|
|
|
2159 #if !(NGX_SSL_ENGINE)
|
|
|
2160
|
|
|
2161 static char *
|
|
|
2162 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2163 {
|
|
|
2164 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
2165 "\"ssl_engine\" directive is available only in "
|
|
|
2166 "OpenSSL 0.9.7 and higher,");
|
|
90
|
2167
|
|
|
2168 return NGX_CONF_ERROR;
|
|
|
2169 }
|
|
|
2170
|
|
|
2171 #endif
|
|
120
|
2172
|
|
|
2173
|
|
|
2174 static void
|
|
|
2175 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
2176 {
|
|
|
2177 #if (NGX_SSL_ENGINE)
|
|
|
2178 ENGINE_cleanup();
|
|
|
2179 #endif
|
|
|
2180 }
|
