Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_ssl_module.c @ 6167:87d48f8793b6
Upstream keepalive: reduced diffs to the plus version of nginx.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 04 Jun 2015 23:46:44 +0300 |
parents | b2899e7d0ef8 |
children | 68c106e6fa0a |
rev | line source |
---|---|
6115 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 | |
12 | |
13 #define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5" | |
14 #define NGX_DEFAULT_ECDH_CURVE "prime256v1" | |
15 | |
16 | |
17 static void *ngx_stream_ssl_create_conf(ngx_conf_t *cf); | |
18 static char *ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, | |
19 void *child); | |
20 | |
21 static char *ngx_stream_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
22 void *conf); | |
23 static char *ngx_stream_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, | |
24 void *conf); | |
25 | |
26 | |
27 static ngx_conf_bitmask_t ngx_stream_ssl_protocols[] = { | |
28 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
29 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
30 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
31 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
32 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
33 { ngx_null_string, 0 } | |
34 }; | |
35 | |
36 | |
37 static ngx_command_t ngx_stream_ssl_commands[] = { | |
38 | |
39 { ngx_string("ssl_handshake_timeout"), | |
40 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
41 ngx_conf_set_msec_slot, | |
42 NGX_STREAM_SRV_CONF_OFFSET, | |
43 offsetof(ngx_stream_ssl_conf_t, handshake_timeout), | |
44 NULL }, | |
45 | |
46 { ngx_string("ssl_certificate"), | |
47 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
48 ngx_conf_set_str_slot, | |
49 NGX_STREAM_SRV_CONF_OFFSET, | |
50 offsetof(ngx_stream_ssl_conf_t, certificate), | |
51 NULL }, | |
52 | |
53 { ngx_string("ssl_certificate_key"), | |
54 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
55 ngx_conf_set_str_slot, | |
56 NGX_STREAM_SRV_CONF_OFFSET, | |
57 offsetof(ngx_stream_ssl_conf_t, certificate_key), | |
58 NULL }, | |
59 | |
60 { ngx_string("ssl_password_file"), | |
61 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
62 ngx_stream_ssl_password_file, | |
63 NGX_STREAM_SRV_CONF_OFFSET, | |
64 0, | |
65 NULL }, | |
66 | |
67 { ngx_string("ssl_dhparam"), | |
68 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
69 ngx_conf_set_str_slot, | |
70 NGX_STREAM_SRV_CONF_OFFSET, | |
71 offsetof(ngx_stream_ssl_conf_t, dhparam), | |
72 NULL }, | |
73 | |
74 { ngx_string("ssl_ecdh_curve"), | |
75 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
76 ngx_conf_set_str_slot, | |
77 NGX_STREAM_SRV_CONF_OFFSET, | |
78 offsetof(ngx_stream_ssl_conf_t, ecdh_curve), | |
79 NULL }, | |
80 | |
81 { ngx_string("ssl_protocols"), | |
82 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
83 ngx_conf_set_bitmask_slot, | |
84 NGX_STREAM_SRV_CONF_OFFSET, | |
85 offsetof(ngx_stream_ssl_conf_t, protocols), | |
86 &ngx_stream_ssl_protocols }, | |
87 | |
88 { ngx_string("ssl_ciphers"), | |
89 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
90 ngx_conf_set_str_slot, | |
91 NGX_STREAM_SRV_CONF_OFFSET, | |
92 offsetof(ngx_stream_ssl_conf_t, ciphers), | |
93 NULL }, | |
94 | |
95 { ngx_string("ssl_prefer_server_ciphers"), | |
96 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
97 ngx_conf_set_flag_slot, | |
98 NGX_STREAM_SRV_CONF_OFFSET, | |
99 offsetof(ngx_stream_ssl_conf_t, prefer_server_ciphers), | |
100 NULL }, | |
101 | |
102 { ngx_string("ssl_session_cache"), | |
103 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE12, | |
104 ngx_stream_ssl_session_cache, | |
105 NGX_STREAM_SRV_CONF_OFFSET, | |
106 0, | |
107 NULL }, | |
108 | |
109 { ngx_string("ssl_session_tickets"), | |
110 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
111 ngx_conf_set_flag_slot, | |
112 NGX_STREAM_SRV_CONF_OFFSET, | |
113 offsetof(ngx_stream_ssl_conf_t, session_tickets), | |
114 NULL }, | |
115 | |
116 { ngx_string("ssl_session_ticket_key"), | |
117 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
118 ngx_conf_set_str_array_slot, | |
119 NGX_STREAM_SRV_CONF_OFFSET, | |
120 offsetof(ngx_stream_ssl_conf_t, session_ticket_keys), | |
121 NULL }, | |
122 | |
123 { ngx_string("ssl_session_timeout"), | |
124 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
125 ngx_conf_set_sec_slot, | |
126 NGX_STREAM_SRV_CONF_OFFSET, | |
127 offsetof(ngx_stream_ssl_conf_t, session_timeout), | |
128 NULL }, | |
129 | |
130 ngx_null_command | |
131 }; | |
132 | |
133 | |
134 static ngx_stream_module_t ngx_stream_ssl_module_ctx = { | |
135 NULL, /* create main configuration */ | |
136 NULL, /* init main configuration */ | |
137 | |
138 ngx_stream_ssl_create_conf, /* create server configuration */ | |
139 ngx_stream_ssl_merge_conf /* merge server configuration */ | |
140 }; | |
141 | |
142 | |
143 ngx_module_t ngx_stream_ssl_module = { | |
144 NGX_MODULE_V1, | |
145 &ngx_stream_ssl_module_ctx, /* module context */ | |
146 ngx_stream_ssl_commands, /* module directives */ | |
147 NGX_STREAM_MODULE, /* module type */ | |
148 NULL, /* init master */ | |
149 NULL, /* init module */ | |
150 NULL, /* init process */ | |
151 NULL, /* init thread */ | |
152 NULL, /* exit thread */ | |
153 NULL, /* exit process */ | |
154 NULL, /* exit master */ | |
155 NGX_MODULE_V1_PADDING | |
156 }; | |
157 | |
158 | |
159 static ngx_str_t ngx_stream_ssl_sess_id_ctx = ngx_string("STREAM"); | |
160 | |
161 | |
162 static void * | |
163 ngx_stream_ssl_create_conf(ngx_conf_t *cf) | |
164 { | |
165 ngx_stream_ssl_conf_t *scf; | |
166 | |
167 scf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_ssl_conf_t)); | |
168 if (scf == NULL) { | |
169 return NULL; | |
170 } | |
171 | |
172 /* | |
173 * set by ngx_pcalloc(): | |
174 * | |
175 * scf->protocols = 0; | |
176 * scf->certificate = { 0, NULL }; | |
177 * scf->certificate_key = { 0, NULL }; | |
178 * scf->dhparam = { 0, NULL }; | |
179 * scf->ecdh_curve = { 0, NULL }; | |
180 * scf->ciphers = { 0, NULL }; | |
181 * scf->shm_zone = NULL; | |
182 */ | |
183 | |
184 scf->handshake_timeout = NGX_CONF_UNSET_MSEC; | |
185 scf->passwords = NGX_CONF_UNSET_PTR; | |
186 scf->prefer_server_ciphers = NGX_CONF_UNSET; | |
187 scf->builtin_session_cache = NGX_CONF_UNSET; | |
188 scf->session_timeout = NGX_CONF_UNSET; | |
189 scf->session_tickets = NGX_CONF_UNSET; | |
190 scf->session_ticket_keys = NGX_CONF_UNSET_PTR; | |
191 | |
192 return scf; | |
193 } | |
194 | |
195 | |
196 static char * | |
197 ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
198 { | |
199 ngx_stream_ssl_conf_t *prev = parent; | |
200 ngx_stream_ssl_conf_t *conf = child; | |
201 | |
202 ngx_pool_cleanup_t *cln; | |
203 | |
204 ngx_conf_merge_msec_value(conf->handshake_timeout, | |
205 prev->handshake_timeout, 60000); | |
206 | |
207 ngx_conf_merge_value(conf->session_timeout, | |
208 prev->session_timeout, 300); | |
209 | |
210 ngx_conf_merge_value(conf->prefer_server_ciphers, | |
211 prev->prefer_server_ciphers, 0); | |
212 | |
213 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
6157
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
214 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
6115 | 215 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
216 | |
217 ngx_conf_merge_str_value(conf->certificate, prev->certificate, ""); | |
218 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, ""); | |
219 | |
220 ngx_conf_merge_ptr_value(conf->passwords, prev->passwords, NULL); | |
221 | |
222 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); | |
223 | |
224 ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve, | |
225 NGX_DEFAULT_ECDH_CURVE); | |
226 | |
227 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); | |
228 | |
229 | |
230 conf->ssl.log = cf->log; | |
231 | |
232 if (conf->certificate.len == 0) { | |
233 return NGX_CONF_OK; | |
234 } | |
235 | |
236 if (conf->certificate_key.len == 0) { | |
237 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
238 "no \"ssl_certificate_key\" is defined " | |
239 "for certificate \"%V\"", | |
240 &conf->certificate); | |
241 return NGX_CONF_ERROR; | |
242 } | |
243 | |
244 if (ngx_ssl_create(&conf->ssl, conf->protocols, NULL) != NGX_OK) { | |
245 return NGX_CONF_ERROR; | |
246 } | |
247 | |
248 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
249 if (cln == NULL) { | |
250 return NGX_CONF_ERROR; | |
251 } | |
252 | |
253 cln->handler = ngx_ssl_cleanup_ctx; | |
254 cln->data = &conf->ssl; | |
255 | |
256 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
257 &conf->certificate_key, conf->passwords) | |
258 != NGX_OK) | |
259 { | |
260 return NGX_CONF_ERROR; | |
261 } | |
262 | |
263 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, | |
264 (const char *) conf->ciphers.data) | |
265 == 0) | |
266 { | |
267 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
268 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
269 &conf->ciphers); | |
270 return NGX_CONF_ERROR; | |
271 } | |
272 | |
273 if (conf->prefer_server_ciphers) { | |
274 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
275 } | |
276 | |
277 SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback); | |
278 | |
279 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { | |
280 return NGX_CONF_ERROR; | |
281 } | |
282 | |
283 if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) { | |
284 return NGX_CONF_ERROR; | |
285 } | |
286 | |
287 ngx_conf_merge_value(conf->builtin_session_cache, | |
288 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); | |
289 | |
290 if (conf->shm_zone == NULL) { | |
291 conf->shm_zone = prev->shm_zone; | |
292 } | |
293 | |
294 if (ngx_ssl_session_cache(&conf->ssl, &ngx_stream_ssl_sess_id_ctx, | |
295 conf->builtin_session_cache, | |
296 conf->shm_zone, conf->session_timeout) | |
297 != NGX_OK) | |
298 { | |
299 return NGX_CONF_ERROR; | |
300 } | |
301 | |
302 ngx_conf_merge_value(conf->session_tickets, | |
303 prev->session_tickets, 1); | |
304 | |
305 #ifdef SSL_OP_NO_TICKET | |
306 if (!conf->session_tickets) { | |
307 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_NO_TICKET); | |
308 } | |
309 #endif | |
310 | |
311 ngx_conf_merge_ptr_value(conf->session_ticket_keys, | |
312 prev->session_ticket_keys, NULL); | |
313 | |
314 if (ngx_ssl_session_ticket_keys(cf, &conf->ssl, conf->session_ticket_keys) | |
315 != NGX_OK) | |
316 { | |
317 return NGX_CONF_ERROR; | |
318 } | |
319 | |
320 return NGX_CONF_OK; | |
321 } | |
322 | |
323 | |
324 static char * | |
325 ngx_stream_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326 { | |
327 ngx_stream_ssl_conf_t *scf = conf; | |
328 | |
329 ngx_str_t *value; | |
330 | |
331 if (scf->passwords != NGX_CONF_UNSET_PTR) { | |
332 return "is duplicate"; | |
333 } | |
334 | |
335 value = cf->args->elts; | |
336 | |
337 scf->passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
338 | |
339 if (scf->passwords == NULL) { | |
340 return NGX_CONF_ERROR; | |
341 } | |
342 | |
343 return NGX_CONF_OK; | |
344 } | |
345 | |
346 | |
347 static char * | |
348 ngx_stream_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
349 { | |
350 ngx_stream_ssl_conf_t *scf = conf; | |
351 | |
352 size_t len; | |
353 ngx_str_t *value, name, size; | |
354 ngx_int_t n; | |
355 ngx_uint_t i, j; | |
356 | |
357 value = cf->args->elts; | |
358 | |
359 for (i = 1; i < cf->args->nelts; i++) { | |
360 | |
361 if (ngx_strcmp(value[i].data, "off") == 0) { | |
362 scf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
363 continue; | |
364 } | |
365 | |
366 if (ngx_strcmp(value[i].data, "none") == 0) { | |
367 scf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
368 continue; | |
369 } | |
370 | |
371 if (ngx_strcmp(value[i].data, "builtin") == 0) { | |
372 scf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; | |
373 continue; | |
374 } | |
375 | |
376 if (value[i].len > sizeof("builtin:") - 1 | |
377 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
378 == 0) | |
379 { | |
380 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
381 value[i].len - (sizeof("builtin:") - 1)); | |
382 | |
383 if (n == NGX_ERROR) { | |
384 goto invalid; | |
385 } | |
386 | |
387 scf->builtin_session_cache = n; | |
388 | |
389 continue; | |
390 } | |
391 | |
392 if (value[i].len > sizeof("shared:") - 1 | |
393 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
394 == 0) | |
395 { | |
396 len = 0; | |
397 | |
398 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
399 if (value[i].data[j] == ':') { | |
400 break; | |
401 } | |
402 | |
403 len++; | |
404 } | |
405 | |
406 if (len == 0) { | |
407 goto invalid; | |
408 } | |
409 | |
410 name.len = len; | |
411 name.data = value[i].data + sizeof("shared:") - 1; | |
412 | |
413 size.len = value[i].len - j - 1; | |
414 size.data = name.data + len + 1; | |
415 | |
416 n = ngx_parse_size(&size); | |
417 | |
418 if (n == NGX_ERROR) { | |
419 goto invalid; | |
420 } | |
421 | |
422 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
423 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
424 "session cache \"%V\" is too small", | |
425 &value[i]); | |
426 | |
427 return NGX_CONF_ERROR; | |
428 } | |
429 | |
430 scf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
431 &ngx_stream_ssl_module); | |
432 if (scf->shm_zone == NULL) { | |
433 return NGX_CONF_ERROR; | |
434 } | |
435 | |
436 scf->shm_zone->init = ngx_ssl_session_cache_init; | |
437 | |
438 continue; | |
439 } | |
440 | |
441 goto invalid; | |
442 } | |
443 | |
444 if (scf->shm_zone && scf->builtin_session_cache == NGX_CONF_UNSET) { | |
445 scf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; | |
446 } | |
447 | |
448 return NGX_CONF_OK; | |
449 | |
450 invalid: | |
451 | |
452 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
453 "invalid session cache \"%V\"", &value[i]); | |
454 | |
455 return NGX_CONF_ERROR; | |
456 } |