Mercurial > hg > nginx
annotate src/http/modules/ngx_http_ssl_module.c @ 2995:cc07d164f0dc
ssl_crl
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 23 Jul 2009 12:21:26 +0000 |
parents | f33c48457d0c |
children | d6285ff81d35 |
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_http.h> |
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10 |
573 | 11 |
671 | 12 typedef ngx_int_t (*ngx_ssl_variable_handler_pt)(ngx_connection_t *c, |
13 ngx_pool_t *pool, ngx_str_t *s); | |
611 | 14 |
15 | |
2124 | 16 #define NGX_DEFAULT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP" |
383
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17 |
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18 |
671 | 19 static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r, |
611 | 20 ngx_http_variable_value_t *v, uintptr_t data); |
671 | 21 static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r, |
647 | 22 ngx_http_variable_value_t *v, uintptr_t data); |
611 | 23 |
24 static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf); | |
383
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25 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf); |
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26 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, |
501 | 27 void *parent, void *child); |
383
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28 |
2224 | 29 static char *ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, |
30 void *conf); | |
973 | 31 static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
32 void *conf); | |
33 | |
563 | 34 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
35 | |
36 static char *ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, | |
37 void *conf); | |
38 | |
39 static char ngx_http_ssl_openssl097[] = "OpenSSL 0.9.7 and higher"; | |
40 | |
41 #endif | |
42 | |
383
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43 |
547 | 44 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = { |
45 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
46 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
47 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
48 { ngx_null_string, 0 } | |
49 }; | |
50 | |
51 | |
2123 | 52 static ngx_conf_enum_t ngx_http_ssl_verify[] = { |
53 { ngx_string("off"), 0 }, | |
54 { ngx_string("on"), 1 }, | |
2994 | 55 { ngx_string("optional"), 2 }, |
2123 | 56 { ngx_null_string, 0 } |
57 }; | |
58 | |
59 | |
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60 static ngx_command_t ngx_http_ssl_commands[] = { |
383
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61 |
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62 { ngx_string("ssl"), |
599 | 63 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
2224 | 64 ngx_http_ssl_enable, |
383
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65 NGX_HTTP_SRV_CONF_OFFSET, |
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66 offsetof(ngx_http_ssl_srv_conf_t, enable), |
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67 NULL }, |
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68 |
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69 { ngx_string("ssl_certificate"), |
599 | 70 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
383
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71 ngx_conf_set_str_slot, |
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72 NGX_HTTP_SRV_CONF_OFFSET, |
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73 offsetof(ngx_http_ssl_srv_conf_t, certificate), |
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74 NULL }, |
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75 |
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76 { ngx_string("ssl_certificate_key"), |
599 | 77 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
383
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78 ngx_conf_set_str_slot, |
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79 NGX_HTTP_SRV_CONF_OFFSET, |
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80 offsetof(ngx_http_ssl_srv_conf_t, certificate_key), |
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81 NULL }, |
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82 |
2044 | 83 { ngx_string("ssl_dhparam"), |
84 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
85 ngx_conf_set_str_slot, | |
86 NGX_HTTP_SRV_CONF_OFFSET, | |
87 offsetof(ngx_http_ssl_srv_conf_t, dhparam), | |
88 NULL }, | |
89 | |
547 | 90 { ngx_string("ssl_protocols"), |
563 | 91 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
547 | 92 ngx_conf_set_bitmask_slot, |
93 NGX_HTTP_SRV_CONF_OFFSET, | |
94 offsetof(ngx_http_ssl_srv_conf_t, protocols), | |
95 &ngx_http_ssl_protocols }, | |
96 | |
479 | 97 { ngx_string("ssl_ciphers"), |
563 | 98 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
479 | 99 ngx_conf_set_str_slot, |
100 NGX_HTTP_SRV_CONF_OFFSET, | |
101 offsetof(ngx_http_ssl_srv_conf_t, ciphers), | |
102 NULL }, | |
103 | |
647 | 104 { ngx_string("ssl_verify_client"), |
667 | 105 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
2123 | 106 ngx_conf_set_enum_slot, |
647 | 107 NGX_HTTP_SRV_CONF_OFFSET, |
108 offsetof(ngx_http_ssl_srv_conf_t, verify), | |
2123 | 109 &ngx_http_ssl_verify }, |
647 | 110 |
111 { ngx_string("ssl_verify_depth"), | |
112 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, | |
113 ngx_conf_set_num_slot, | |
114 NGX_HTTP_SRV_CONF_OFFSET, | |
115 offsetof(ngx_http_ssl_srv_conf_t, verify_depth), | |
116 NULL }, | |
117 | |
118 { ngx_string("ssl_client_certificate"), | |
119 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
120 ngx_conf_set_str_slot, | |
121 NGX_HTTP_SRV_CONF_OFFSET, | |
122 offsetof(ngx_http_ssl_srv_conf_t, client_certificate), | |
123 NULL }, | |
124 | |
547 | 125 { ngx_string("ssl_prefer_server_ciphers"), |
126 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, | |
563 | 127 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
547 | 128 ngx_conf_set_flag_slot, |
129 NGX_HTTP_SRV_CONF_OFFSET, | |
130 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), | |
131 NULL }, | |
563 | 132 #else |
133 ngx_http_ssl_nosupported, 0, 0, ngx_http_ssl_openssl097 }, | |
134 #endif | |
547 | 135 |
973 | 136 { ngx_string("ssl_session_cache"), |
137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12, | |
138 ngx_http_ssl_session_cache, | |
139 NGX_HTTP_SRV_CONF_OFFSET, | |
140 0, | |
141 NULL }, | |
142 | |
573 | 143 { ngx_string("ssl_session_timeout"), |
144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
145 ngx_conf_set_sec_slot, | |
146 NGX_HTTP_SRV_CONF_OFFSET, | |
147 offsetof(ngx_http_ssl_srv_conf_t, session_timeout), | |
148 NULL }, | |
149 | |
2995 | 150 { ngx_string("ssl_crl"), |
151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
152 ngx_conf_set_str_slot, | |
153 NGX_HTTP_SRV_CONF_OFFSET, | |
154 offsetof(ngx_http_ssl_srv_conf_t, crl), | |
155 NULL }, | |
156 | |
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157 ngx_null_command |
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158 }; |
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159 |
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160 |
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161 static ngx_http_module_t ngx_http_ssl_module_ctx = { |
611 | 162 ngx_http_ssl_add_variables, /* preconfiguration */ |
509 | 163 NULL, /* postconfiguration */ |
383
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164 |
541 | 165 NULL, /* create main configuration */ |
166 NULL, /* init main configuration */ | |
383
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167 |
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168 ngx_http_ssl_create_srv_conf, /* create server configuration */ |
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169 ngx_http_ssl_merge_srv_conf, /* merge server configuration */ |
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170 |
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171 NULL, /* create location configuration */ |
485 | 172 NULL /* merge location configuration */ |
383
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173 }; |
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174 |
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175 |
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176 ngx_module_t ngx_http_ssl_module = { |
509 | 177 NGX_MODULE_V1, |
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178 &ngx_http_ssl_module_ctx, /* module context */ |
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179 ngx_http_ssl_commands, /* module directives */ |
383
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180 NGX_HTTP_MODULE, /* module type */ |
541 | 181 NULL, /* init master */ |
393
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182 NULL, /* init module */ |
541 | 183 NULL, /* init process */ |
184 NULL, /* init thread */ | |
185 NULL, /* exit thread */ | |
186 NULL, /* exit process */ | |
187 NULL, /* exit master */ | |
188 NGX_MODULE_V1_PADDING | |
383
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189 }; |
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190 |
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191 |
611 | 192 static ngx_http_variable_t ngx_http_ssl_vars[] = { |
193 | |
671 | 194 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable, |
1565 | 195 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
611 | 196 |
671 | 197 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable, |
1565 | 198 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
611 | 199 |
2045 | 200 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable, |
201 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 }, | |
202 | |
2123 | 203 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable, |
204 (uintptr_t) ngx_ssl_get_raw_certificate, | |
205 NGX_HTTP_VAR_CHANGEABLE, 0 }, | |
206 | |
671 | 207 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable, |
1565 | 208 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
647 | 209 |
671 | 210 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable, |
1565 | 211 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
671 | 212 |
213 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable, | |
1565 | 214 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
647 | 215 |
2994 | 216 { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable, |
217 (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 }, | |
218 | |
637 | 219 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
611 | 220 }; |
221 | |
222 | |
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223 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP"); |
973 | 224 |
225 | |
226 static ngx_int_t | |
671 | 227 ngx_http_ssl_static_variable(ngx_http_request_t *r, |
611 | 228 ngx_http_variable_value_t *v, uintptr_t data) |
229 { | |
671 | 230 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
611 | 231 |
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232 size_t len; |
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233 ngx_str_t s; |
611 | 234 |
235 if (r->connection->ssl) { | |
236 | |
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237 (void) handler(r->connection, NULL, &s); |
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238 |
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239 v->data = s.data; |
611 | 240 |
671 | 241 for (len = 0; v->data[len]; len++) { /* void */ } |
611 | 242 |
243 v->len = len; | |
244 v->valid = 1; | |
1565 | 245 v->no_cacheable = 0; |
611 | 246 v->not_found = 0; |
247 | |
248 return NGX_OK; | |
249 } | |
250 | |
251 v->not_found = 1; | |
252 | |
253 return NGX_OK; | |
254 } | |
255 | |
256 | |
257 static ngx_int_t | |
671 | 258 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
647 | 259 uintptr_t data) |
260 { | |
671 | 261 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
647 | 262 |
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263 ngx_str_t s; |
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264 |
647 | 265 if (r->connection->ssl) { |
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266 |
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267 if (handler(r->connection, r->pool, &s) != NGX_OK) { |
647 | 268 return NGX_ERROR; |
269 } | |
270 | |
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271 v->len = s.len; |
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272 v->data = s.data; |
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273 |
647 | 274 if (v->len) { |
275 v->valid = 1; | |
1565 | 276 v->no_cacheable = 0; |
647 | 277 v->not_found = 0; |
278 | |
279 return NGX_OK; | |
280 } | |
281 } | |
282 | |
283 v->not_found = 1; | |
284 | |
285 return NGX_OK; | |
286 } | |
287 | |
288 | |
289 static ngx_int_t | |
611 | 290 ngx_http_ssl_add_variables(ngx_conf_t *cf) |
291 { | |
292 ngx_http_variable_t *var, *v; | |
293 | |
294 for (v = ngx_http_ssl_vars; v->name.len; v++) { | |
295 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
296 if (var == NULL) { | |
297 return NGX_ERROR; | |
298 } | |
299 | |
637 | 300 var->get_handler = v->get_handler; |
611 | 301 var->data = v->data; |
302 } | |
303 | |
304 return NGX_OK; | |
305 } | |
306 | |
307 | |
501 | 308 static void * |
309 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) | |
383
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310 { |
971 | 311 ngx_http_ssl_srv_conf_t *sscf; |
383
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312 |
971 | 313 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); |
314 if (sscf == NULL) { | |
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315 return NULL; |
383
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316 } |
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317 |
479 | 318 /* |
319 * set by ngx_pcalloc(): | |
320 * | |
971 | 321 * sscf->protocols = 0; |
2044 | 322 * sscf->certificate = { 0, NULL }; |
323 * sscf->certificate_key = { 0, NULL }; | |
324 * sscf->dhparam = { 0, NULL }; | |
325 * sscf->client_certificate = { 0, NULL }; | |
2995 | 326 * sscf->crl = { 0, NULL }; |
971 | 327 * sscf->ciphers.len = 0; |
328 * sscf->ciphers.data = NULL; | |
973 | 329 * sscf->shm_zone = NULL; |
479 | 330 */ |
331 | |
971 | 332 sscf->enable = NGX_CONF_UNSET; |
2123 | 333 sscf->prefer_server_ciphers = NGX_CONF_UNSET; |
2710 | 334 sscf->verify = NGX_CONF_UNSET_UINT; |
335 sscf->verify_depth = NGX_CONF_UNSET_UINT; | |
973 | 336 sscf->builtin_session_cache = NGX_CONF_UNSET; |
337 sscf->session_timeout = NGX_CONF_UNSET; | |
383
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338 |
971 | 339 return sscf; |
383
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340 } |
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341 |
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342 |
501 | 343 static char * |
344 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
383
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345 { |
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346 ngx_http_ssl_srv_conf_t *prev = parent; |
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347 ngx_http_ssl_srv_conf_t *conf = child; |
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348 |
563 | 349 ngx_pool_cleanup_t *cln; |
350 | |
383
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351 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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352 |
573 | 353 ngx_conf_merge_value(conf->session_timeout, |
354 prev->session_timeout, 300); | |
355 | |
547 | 356 ngx_conf_merge_value(conf->prefer_server_ciphers, |
357 prev->prefer_server_ciphers, 0); | |
358 | |
359 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
360 (NGX_CONF_BITMASK_SET | |
361 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
362 | |
2123 | 363 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0); |
364 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1); | |
647 | 365 |
2224 | 366 ngx_conf_merge_str_value(conf->certificate, prev->certificate, ""); |
367 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, ""); | |
383
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368 |
2044 | 369 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); |
370 | |
647 | 371 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, |
372 ""); | |
2995 | 373 ngx_conf_merge_str_value(conf->crl, prev->crl, ""); |
647 | 374 |
2124 | 375 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); |
479 | 376 |
377 | |
547 | 378 conf->ssl.log = cf->log; |
386
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379 |
2224 | 380 if (conf->enable) { |
381 | |
382 if (conf->certificate.len == 0) { | |
383 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
384 "no \"ssl_certificate\" is defined for " | |
385 "the \"ssl\" directive in %s:%ui", | |
386 conf->file, conf->line); | |
387 return NGX_CONF_ERROR; | |
388 } | |
389 | |
390 if (conf->certificate_key.len == 0) { | |
391 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
392 "no \"ssl_certificate_key\" is defined for " | |
393 "the \"ssl\" directive in %s:%ui", | |
394 conf->file, conf->line); | |
395 return NGX_CONF_ERROR; | |
396 } | |
397 | |
398 } else { | |
399 | |
400 if (conf->certificate.len == 0) { | |
401 return NGX_CONF_OK; | |
402 } | |
403 | |
404 if (conf->certificate_key.len == 0) { | |
405 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
406 "no \"ssl_certificate_key\" is defined " | |
407 "for certificate \"%V\"", &conf->certificate); | |
408 return NGX_CONF_ERROR; | |
409 } | |
410 } | |
411 | |
969 | 412 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) { |
386
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413 return NGX_CONF_ERROR; |
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414 } |
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415 |
1219 | 416 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
417 | |
418 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx, | |
419 ngx_http_ssl_servername) | |
420 == 0) | |
421 { | |
422 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
423 "SSL_CTX_set_tlsext_servername_callback() failed"); | |
424 return NGX_CONF_ERROR; | |
425 } | |
426 | |
427 #endif | |
428 | |
563 | 429 cln = ngx_pool_cleanup_add(cf->pool, 0); |
430 if (cln == NULL) { | |
509 | 431 return NGX_CONF_ERROR; |
432 } | |
433 | |
563 | 434 cln->handler = ngx_ssl_cleanup_ctx; |
435 cln->data = &conf->ssl; | |
436 | |
437 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
970 | 438 &conf->certificate_key) |
439 != NGX_OK) | |
529 | 440 { |
386
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441 return NGX_CONF_ERROR; |
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442 } |
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443 |
547 | 444 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
563 | 445 (const char *) conf->ciphers.data) |
446 == 0) | |
529 | 447 { |
395
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448 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, |
547 | 449 "SSL_CTX_set_cipher_list(\"%V\") failed", |
450 &conf->ciphers); | |
451 } | |
452 | |
647 | 453 if (conf->verify) { |
2123 | 454 |
455 if (conf->client_certificate.len == 0) { | |
456 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
457 "no ssl_client_certificate for ssl_client_verify"); | |
458 return NGX_CONF_ERROR; | |
459 } | |
460 | |
671 | 461 if (ngx_ssl_client_certificate(cf, &conf->ssl, |
970 | 462 &conf->client_certificate, |
463 conf->verify_depth) | |
671 | 464 != NGX_OK) |
465 { | |
466 return NGX_CONF_ERROR; | |
647 | 467 } |
2995 | 468 |
469 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) { | |
470 return NGX_CONF_ERROR; | |
471 } | |
647 | 472 } |
473 | |
563 | 474 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
475 | |
547 | 476 if (conf->prefer_server_ciphers) { |
477 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
478 } | |
479 | |
563 | 480 #endif |
481 | |
547 | 482 /* a temporary 512-bit RSA key is required for export versions of MSIE */ |
483 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { | |
386
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484 return NGX_CONF_ERROR; |
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485 } |
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486 |
2044 | 487 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { |
488 return NGX_CONF_ERROR; | |
489 } | |
490 | |
973 | 491 ngx_conf_merge_value(conf->builtin_session_cache, |
2032 | 492 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); |
973 | 493 |
494 if (conf->shm_zone == NULL) { | |
495 conf->shm_zone = prev->shm_zone; | |
496 } | |
497 | |
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498 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx, |
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499 conf->builtin_session_cache, |
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500 conf->shm_zone, conf->session_timeout) |
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501 != NGX_OK) |
973 | 502 { |
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503 return NGX_CONF_ERROR; |
973 | 504 } |
573 | 505 |
383
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506 return NGX_CONF_OK; |
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507 } |
563 | 508 |
509 | |
973 | 510 static char * |
2224 | 511 ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
512 { | |
513 ngx_http_ssl_srv_conf_t *sscf = conf; | |
514 | |
515 char *rv; | |
516 | |
517 rv = ngx_conf_set_flag_slot(cf, cmd, conf); | |
518 | |
519 if (rv != NGX_CONF_OK) { | |
520 return rv; | |
521 } | |
522 | |
523 sscf->file = cf->conf_file->file.name.data; | |
524 sscf->line = cf->conf_file->line; | |
525 | |
526 return NGX_CONF_OK; | |
527 } | |
528 | |
529 | |
530 static char * | |
973 | 531 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
532 { | |
533 ngx_http_ssl_srv_conf_t *sscf = conf; | |
534 | |
535 size_t len; | |
536 ngx_str_t *value, name, size; | |
537 ngx_int_t n; | |
538 ngx_uint_t i, j; | |
539 | |
540 value = cf->args->elts; | |
541 | |
542 for (i = 1; i < cf->args->nelts; i++) { | |
543 | |
1778 | 544 if (ngx_strcmp(value[i].data, "off") == 0) { |
545 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
546 continue; | |
547 } | |
548 | |
2032 | 549 if (ngx_strcmp(value[i].data, "none") == 0) { |
550 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
551 continue; | |
552 } | |
553 | |
973 | 554 if (ngx_strcmp(value[i].data, "builtin") == 0) { |
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555 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; |
973 | 556 continue; |
557 } | |
558 | |
559 if (value[i].len > sizeof("builtin:") - 1 | |
560 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
561 == 0) | |
562 { | |
563 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
564 value[i].len - (sizeof("builtin:") - 1)); | |
565 | |
566 if (n == NGX_ERROR) { | |
567 goto invalid; | |
568 } | |
569 | |
570 sscf->builtin_session_cache = n; | |
571 | |
572 continue; | |
573 } | |
574 | |
575 if (value[i].len > sizeof("shared:") - 1 | |
576 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
577 == 0) | |
578 { | |
579 len = 0; | |
580 | |
581 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
582 if (value[i].data[j] == ':') { | |
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583 value[i].data[j] = '\0'; |
973 | 584 break; |
585 } | |
586 | |
587 len++; | |
588 } | |
589 | |
590 if (len == 0) { | |
591 goto invalid; | |
592 } | |
593 | |
594 name.len = len; | |
595 name.data = value[i].data + sizeof("shared:") - 1; | |
596 | |
597 size.len = value[i].len - j - 1; | |
598 size.data = name.data + len + 1; | |
599 | |
600 n = ngx_parse_size(&size); | |
601 | |
602 if (n == NGX_ERROR) { | |
603 goto invalid; | |
604 } | |
605 | |
606 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
607 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
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608 "session cache \"%V\" is too small", |
973 | 609 &value[i]); |
610 | |
611 return NGX_CONF_ERROR; | |
612 } | |
613 | |
614 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
615 &ngx_http_ssl_module); | |
616 if (sscf->shm_zone == NULL) { | |
617 return NGX_CONF_ERROR; | |
618 } | |
619 | |
620 continue; | |
621 } | |
622 | |
623 goto invalid; | |
624 } | |
625 | |
626 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) { | |
974
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627 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; |
973 | 628 } |
629 | |
630 return NGX_CONF_OK; | |
631 | |
632 invalid: | |
633 | |
634 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
635 "invalid session cache \"%V\"", &value[i]); | |
636 | |
637 return NGX_CONF_ERROR; | |
638 } | |
639 | |
640 | |
563 | 641 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
642 | |
643 static char * | |
644 ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
645 { | |
646 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
647 "\"%V\" directive is available only in %s,", | |
648 &cmd->name, cmd->post); | |
649 | |
650 return NGX_CONF_ERROR; | |
651 } | |
652 | |
653 #endif |