Mercurial > hg > nginx
annotate src/http/modules/ngx_http_ssl_module.c @ 2032:12b3ad3353f9
ssl_session_cache none
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 26 May 2008 07:14:13 +0000 |
| parents | 14510c3cc6cb |
| children | f45cec1cd270 |
| 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 | |
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16 #define NGX_DEFLAUT_CERTIFICATE "cert.pem" |
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17 #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem" |
| 547 | 18 #define NGX_DEFLAUT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP" |
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19 |
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20 |
| 671 | 21 static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r, |
| 611 | 22 ngx_http_variable_value_t *v, uintptr_t data); |
| 671 | 23 static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r, |
| 647 | 24 ngx_http_variable_value_t *v, uintptr_t data); |
| 611 | 25 |
| 26 static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf); | |
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27 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf); |
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28 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, |
| 501 | 29 void *parent, void *child); |
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30 |
| 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 | |
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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 | |
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52 static ngx_command_t ngx_http_ssl_commands[] = { |
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53 |
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54 { ngx_string("ssl"), |
| 599 | 55 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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56 ngx_conf_set_flag_slot, |
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57 NGX_HTTP_SRV_CONF_OFFSET, |
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58 offsetof(ngx_http_ssl_srv_conf_t, enable), |
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59 NULL }, |
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60 |
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61 { ngx_string("ssl_certificate"), |
| 599 | 62 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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63 ngx_conf_set_str_slot, |
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64 NGX_HTTP_SRV_CONF_OFFSET, |
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65 offsetof(ngx_http_ssl_srv_conf_t, certificate), |
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66 NULL }, |
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67 |
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68 { ngx_string("ssl_certificate_key"), |
| 599 | 69 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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70 ngx_conf_set_str_slot, |
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71 NGX_HTTP_SRV_CONF_OFFSET, |
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72 offsetof(ngx_http_ssl_srv_conf_t, certificate_key), |
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73 NULL }, |
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74 |
| 547 | 75 { ngx_string("ssl_protocols"), |
| 563 | 76 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| 547 | 77 ngx_conf_set_bitmask_slot, |
| 78 NGX_HTTP_SRV_CONF_OFFSET, | |
| 79 offsetof(ngx_http_ssl_srv_conf_t, protocols), | |
| 80 &ngx_http_ssl_protocols }, | |
| 81 | |
| 479 | 82 { ngx_string("ssl_ciphers"), |
| 563 | 83 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| 479 | 84 ngx_conf_set_str_slot, |
| 85 NGX_HTTP_SRV_CONF_OFFSET, | |
| 86 offsetof(ngx_http_ssl_srv_conf_t, ciphers), | |
| 87 NULL }, | |
| 88 | |
| 647 | 89 { ngx_string("ssl_verify_client"), |
| 667 | 90 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
| 647 | 91 ngx_conf_set_flag_slot, |
| 92 NGX_HTTP_SRV_CONF_OFFSET, | |
| 93 offsetof(ngx_http_ssl_srv_conf_t, verify), | |
| 94 NULL }, | |
| 95 | |
| 96 { ngx_string("ssl_verify_depth"), | |
| 97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, | |
| 98 ngx_conf_set_num_slot, | |
| 99 NGX_HTTP_SRV_CONF_OFFSET, | |
| 100 offsetof(ngx_http_ssl_srv_conf_t, verify_depth), | |
| 101 NULL }, | |
| 102 | |
| 103 { ngx_string("ssl_client_certificate"), | |
| 104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 105 ngx_conf_set_str_slot, | |
| 106 NGX_HTTP_SRV_CONF_OFFSET, | |
| 107 offsetof(ngx_http_ssl_srv_conf_t, client_certificate), | |
| 108 NULL }, | |
| 109 | |
| 547 | 110 { ngx_string("ssl_prefer_server_ciphers"), |
| 111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, | |
| 563 | 112 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 547 | 113 ngx_conf_set_flag_slot, |
| 114 NGX_HTTP_SRV_CONF_OFFSET, | |
| 115 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), | |
| 116 NULL }, | |
| 563 | 117 #else |
| 118 ngx_http_ssl_nosupported, 0, 0, ngx_http_ssl_openssl097 }, | |
| 119 #endif | |
| 547 | 120 |
| 973 | 121 { ngx_string("ssl_session_cache"), |
| 122 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12, | |
| 123 ngx_http_ssl_session_cache, | |
| 124 NGX_HTTP_SRV_CONF_OFFSET, | |
| 125 0, | |
| 126 NULL }, | |
| 127 | |
| 573 | 128 { ngx_string("ssl_session_timeout"), |
| 129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 130 ngx_conf_set_sec_slot, | |
| 131 NGX_HTTP_SRV_CONF_OFFSET, | |
| 132 offsetof(ngx_http_ssl_srv_conf_t, session_timeout), | |
| 133 NULL }, | |
| 134 | |
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135 ngx_null_command |
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136 }; |
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137 |
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138 |
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139 static ngx_http_module_t ngx_http_ssl_module_ctx = { |
| 611 | 140 ngx_http_ssl_add_variables, /* preconfiguration */ |
| 509 | 141 NULL, /* postconfiguration */ |
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142 |
| 541 | 143 NULL, /* create main configuration */ |
| 144 NULL, /* init main configuration */ | |
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145 |
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146 ngx_http_ssl_create_srv_conf, /* create server configuration */ |
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147 ngx_http_ssl_merge_srv_conf, /* merge server configuration */ |
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148 |
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149 NULL, /* create location configuration */ |
| 485 | 150 NULL /* merge location configuration */ |
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151 }; |
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152 |
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153 |
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154 ngx_module_t ngx_http_ssl_module = { |
| 509 | 155 NGX_MODULE_V1, |
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156 &ngx_http_ssl_module_ctx, /* module context */ |
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157 ngx_http_ssl_commands, /* module directives */ |
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158 NGX_HTTP_MODULE, /* module type */ |
| 541 | 159 NULL, /* init master */ |
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160 NULL, /* init module */ |
| 541 | 161 NULL, /* init process */ |
| 162 NULL, /* init thread */ | |
| 163 NULL, /* exit thread */ | |
| 164 NULL, /* exit process */ | |
| 165 NULL, /* exit master */ | |
| 166 NGX_MODULE_V1_PADDING | |
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167 }; |
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168 |
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169 |
| 611 | 170 static ngx_http_variable_t ngx_http_ssl_vars[] = { |
| 171 | |
| 671 | 172 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 173 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 174 |
| 671 | 175 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 176 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 177 |
| 671 | 178 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 179 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 180 |
| 671 | 181 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 182 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 671 | 183 |
| 184 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable, | |
| 1565 | 185 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 186 |
| 637 | 187 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 611 | 188 }; |
| 189 | |
| 190 | |
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191 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP"); |
| 973 | 192 |
| 193 | |
| 194 static ngx_int_t | |
| 671 | 195 ngx_http_ssl_static_variable(ngx_http_request_t *r, |
| 611 | 196 ngx_http_variable_value_t *v, uintptr_t data) |
| 197 { | |
| 671 | 198 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 611 | 199 |
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200 size_t len; |
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201 ngx_str_t s; |
| 611 | 202 |
| 203 if (r->connection->ssl) { | |
| 204 | |
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205 (void) handler(r->connection, NULL, &s); |
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206 |
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207 v->data = s.data; |
| 611 | 208 |
| 671 | 209 for (len = 0; v->data[len]; len++) { /* void */ } |
| 611 | 210 |
| 211 v->len = len; | |
| 212 v->valid = 1; | |
| 1565 | 213 v->no_cacheable = 0; |
| 611 | 214 v->not_found = 0; |
| 215 | |
| 216 return NGX_OK; | |
| 217 } | |
| 218 | |
| 219 v->not_found = 1; | |
| 220 | |
| 221 return NGX_OK; | |
| 222 } | |
| 223 | |
| 224 | |
| 225 static ngx_int_t | |
| 671 | 226 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 647 | 227 uintptr_t data) |
| 228 { | |
| 671 | 229 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 647 | 230 |
|
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231 ngx_str_t s; |
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232 |
| 647 | 233 if (r->connection->ssl) { |
|
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234 |
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235 if (handler(r->connection, r->pool, &s) != NGX_OK) { |
| 647 | 236 return NGX_ERROR; |
| 237 } | |
| 238 | |
|
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239 v->len = s.len; |
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240 v->data = s.data; |
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241 |
| 647 | 242 if (v->len) { |
| 243 v->valid = 1; | |
| 1565 | 244 v->no_cacheable = 0; |
| 647 | 245 v->not_found = 0; |
| 246 | |
| 247 return NGX_OK; | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 v->not_found = 1; | |
| 252 | |
| 253 return NGX_OK; | |
| 254 } | |
| 255 | |
| 256 | |
| 257 static ngx_int_t | |
| 611 | 258 ngx_http_ssl_add_variables(ngx_conf_t *cf) |
| 259 { | |
| 260 ngx_http_variable_t *var, *v; | |
| 261 | |
| 262 for (v = ngx_http_ssl_vars; v->name.len; v++) { | |
| 263 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 264 if (var == NULL) { | |
| 265 return NGX_ERROR; | |
| 266 } | |
| 267 | |
| 637 | 268 var->get_handler = v->get_handler; |
| 611 | 269 var->data = v->data; |
| 270 } | |
| 271 | |
| 272 return NGX_OK; | |
| 273 } | |
| 274 | |
| 275 | |
| 501 | 276 static void * |
| 277 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) | |
|
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278 { |
| 971 | 279 ngx_http_ssl_srv_conf_t *sscf; |
|
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280 |
| 971 | 281 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); |
| 282 if (sscf == NULL) { | |
|
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283 return NGX_CONF_ERROR; |
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284 } |
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285 |
| 479 | 286 /* |
| 287 * set by ngx_pcalloc(): | |
| 288 * | |
| 971 | 289 * sscf->protocols = 0; |
| 290 * sscf->certificate.len = 0; | |
| 291 * sscf->certificate.data = NULL; | |
| 292 * sscf->certificate_key.len = 0; | |
| 293 * sscf->certificate_key.data = NULL; | |
| 294 * sscf->client_certificate.len = 0; | |
| 295 * sscf->client_certificate.data = NULL; | |
| 296 * sscf->ciphers.len = 0; | |
| 297 * sscf->ciphers.data = NULL; | |
| 973 | 298 * sscf->shm_zone = NULL; |
| 479 | 299 */ |
| 300 | |
| 971 | 301 sscf->enable = NGX_CONF_UNSET; |
| 302 sscf->verify = NGX_CONF_UNSET; | |
| 303 sscf->verify_depth = NGX_CONF_UNSET; | |
| 304 sscf->prefer_server_ciphers = NGX_CONF_UNSET; | |
| 973 | 305 sscf->builtin_session_cache = NGX_CONF_UNSET; |
| 306 sscf->session_timeout = NGX_CONF_UNSET; | |
|
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307 |
| 971 | 308 return sscf; |
|
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309 } |
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310 |
|
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311 |
| 501 | 312 static char * |
| 313 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
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314 { |
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315 ngx_http_ssl_srv_conf_t *prev = parent; |
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316 ngx_http_ssl_srv_conf_t *conf = child; |
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317 |
| 563 | 318 ngx_pool_cleanup_t *cln; |
| 319 | |
|
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320 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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321 |
|
393
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322 if (conf->enable == 0) { |
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323 return NGX_CONF_OK; |
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324 } |
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325 |
| 573 | 326 ngx_conf_merge_value(conf->session_timeout, |
| 327 prev->session_timeout, 300); | |
| 328 | |
| 547 | 329 ngx_conf_merge_value(conf->prefer_server_ciphers, |
| 330 prev->prefer_server_ciphers, 0); | |
| 331 | |
| 332 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
| 333 (NGX_CONF_BITMASK_SET | |
| 334 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
| 335 | |
| 647 | 336 ngx_conf_merge_value(conf->verify, prev->verify, 0); |
| 337 ngx_conf_merge_value(conf->verify_depth, prev->verify_depth, 1); | |
| 338 | |
|
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339 ngx_conf_merge_str_value(conf->certificate, prev->certificate, |
| 547 | 340 NGX_DEFLAUT_CERTIFICATE); |
|
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341 |
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342 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, |
| 547 | 343 NGX_DEFLAUT_CERTIFICATE_KEY); |
|
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344 |
| 647 | 345 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, |
| 346 ""); | |
| 347 | |
| 547 | 348 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS); |
| 479 | 349 |
| 350 | |
| 547 | 351 conf->ssl.log = cf->log; |
|
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352 |
| 969 | 353 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) { |
|
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354 return NGX_CONF_ERROR; |
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355 } |
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356 |
| 1219 | 357 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
| 358 | |
| 359 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx, | |
| 360 ngx_http_ssl_servername) | |
| 361 == 0) | |
| 362 { | |
| 363 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 364 "SSL_CTX_set_tlsext_servername_callback() failed"); | |
| 365 return NGX_CONF_ERROR; | |
| 366 } | |
| 367 | |
| 368 #endif | |
| 369 | |
| 563 | 370 cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 371 if (cln == NULL) { | |
| 509 | 372 return NGX_CONF_ERROR; |
| 373 } | |
| 374 | |
| 563 | 375 cln->handler = ngx_ssl_cleanup_ctx; |
| 376 cln->data = &conf->ssl; | |
| 377 | |
| 378 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
| 970 | 379 &conf->certificate_key) |
| 380 != NGX_OK) | |
| 529 | 381 { |
|
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382 return NGX_CONF_ERROR; |
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383 } |
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384 |
| 547 | 385 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
| 563 | 386 (const char *) conf->ciphers.data) |
| 387 == 0) | |
| 529 | 388 { |
|
395
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389 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, |
| 547 | 390 "SSL_CTX_set_cipher_list(\"%V\") failed", |
| 391 &conf->ciphers); | |
| 392 } | |
| 393 | |
| 647 | 394 if (conf->verify) { |
| 671 | 395 if (ngx_ssl_client_certificate(cf, &conf->ssl, |
| 970 | 396 &conf->client_certificate, |
| 397 conf->verify_depth) | |
| 671 | 398 != NGX_OK) |
| 399 { | |
| 400 return NGX_CONF_ERROR; | |
| 647 | 401 } |
| 402 } | |
| 403 | |
| 563 | 404 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 405 | |
| 547 | 406 if (conf->prefer_server_ciphers) { |
| 407 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| 408 } | |
| 409 | |
| 563 | 410 #endif |
| 411 | |
| 547 | 412 /* a temporary 512-bit RSA key is required for export versions of MSIE */ |
| 413 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { | |
|
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414 return NGX_CONF_ERROR; |
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415 } |
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416 |
| 973 | 417 ngx_conf_merge_value(conf->builtin_session_cache, |
| 2032 | 418 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); |
| 973 | 419 |
| 420 if (conf->shm_zone == NULL) { | |
| 421 conf->shm_zone = prev->shm_zone; | |
| 422 } | |
| 423 | |
|
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424 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx, |
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425 conf->builtin_session_cache, |
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426 conf->shm_zone, conf->session_timeout) |
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427 != NGX_OK) |
| 973 | 428 { |
|
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429 return NGX_CONF_ERROR; |
| 973 | 430 } |
| 573 | 431 |
|
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432 return NGX_CONF_OK; |
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433 } |
| 563 | 434 |
| 435 | |
| 973 | 436 static char * |
| 437 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 438 { | |
| 439 ngx_http_ssl_srv_conf_t *sscf = conf; | |
| 440 | |
| 441 size_t len; | |
| 442 ngx_str_t *value, name, size; | |
| 443 ngx_int_t n; | |
| 444 ngx_uint_t i, j; | |
| 445 | |
| 446 value = cf->args->elts; | |
| 447 | |
| 448 for (i = 1; i < cf->args->nelts; i++) { | |
| 449 | |
| 1778 | 450 if (ngx_strcmp(value[i].data, "off") == 0) { |
| 451 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
| 452 continue; | |
| 453 } | |
| 454 | |
| 2032 | 455 if (ngx_strcmp(value[i].data, "none") == 0) { |
| 456 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
| 457 continue; | |
| 458 } | |
| 459 | |
| 973 | 460 if (ngx_strcmp(value[i].data, "builtin") == 0) { |
|
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461 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; |
| 973 | 462 continue; |
| 463 } | |
| 464 | |
| 465 if (value[i].len > sizeof("builtin:") - 1 | |
| 466 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
| 467 == 0) | |
| 468 { | |
| 469 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
| 470 value[i].len - (sizeof("builtin:") - 1)); | |
| 471 | |
| 472 if (n == NGX_ERROR) { | |
| 473 goto invalid; | |
| 474 } | |
| 475 | |
| 476 sscf->builtin_session_cache = n; | |
| 477 | |
| 478 continue; | |
| 479 } | |
| 480 | |
| 481 if (value[i].len > sizeof("shared:") - 1 | |
| 482 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
| 483 == 0) | |
| 484 { | |
| 485 len = 0; | |
| 486 | |
| 487 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
| 488 if (value[i].data[j] == ':') { | |
| 489 break; | |
| 490 } | |
| 491 | |
| 492 len++; | |
| 493 } | |
| 494 | |
| 495 if (len == 0) { | |
| 496 goto invalid; | |
| 497 } | |
| 498 | |
| 499 name.len = len; | |
| 500 name.data = value[i].data + sizeof("shared:") - 1; | |
| 501 | |
| 502 size.len = value[i].len - j - 1; | |
| 503 size.data = name.data + len + 1; | |
| 504 | |
| 505 n = ngx_parse_size(&size); | |
| 506 | |
| 507 if (n == NGX_ERROR) { | |
| 508 goto invalid; | |
| 509 } | |
| 510 | |
| 511 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
| 512 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
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513 "session cache \"%V\" is too small", |
| 973 | 514 &value[i]); |
| 515 | |
| 516 return NGX_CONF_ERROR; | |
| 517 } | |
| 518 | |
| 519 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
| 520 &ngx_http_ssl_module); | |
| 521 if (sscf->shm_zone == NULL) { | |
| 522 return NGX_CONF_ERROR; | |
| 523 } | |
| 524 | |
| 525 continue; | |
| 526 } | |
| 527 | |
| 528 goto invalid; | |
| 529 } | |
| 530 | |
| 531 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) { | |
|
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532 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; |
| 973 | 533 } |
| 534 | |
| 535 return NGX_CONF_OK; | |
| 536 | |
| 537 invalid: | |
| 538 | |
| 539 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 540 "invalid session cache \"%V\"", &value[i]); | |
| 541 | |
| 542 return NGX_CONF_ERROR; | |
| 543 } | |
| 544 | |
| 545 | |
| 563 | 546 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
| 547 | |
| 548 static char * | |
| 549 ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 550 { | |
| 551 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 552 "\"%V\" directive is available only in %s,", | |
| 553 &cmd->name, cmd->post); | |
| 554 | |
| 555 return NGX_CONF_ERROR; | |
| 556 } | |
| 557 | |
| 558 #endif |