Mercurial > hg > nginx
annotate src/http/modules/ngx_http_ssl_module.c @ 2044:f45cec1cd270
DH parameters, ssl_dhparam
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 16 Jun 2008 05:51:32 +0000 |
| parents | 12b3ad3353f9 |
| children | 2b11822b12d6 |
| 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 |
| 2044 | 75 { ngx_string("ssl_dhparam"), |
| 76 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 77 ngx_conf_set_str_slot, | |
| 78 NGX_HTTP_SRV_CONF_OFFSET, | |
| 79 offsetof(ngx_http_ssl_srv_conf_t, dhparam), | |
| 80 NULL }, | |
| 81 | |
| 547 | 82 { ngx_string("ssl_protocols"), |
| 563 | 83 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| 547 | 84 ngx_conf_set_bitmask_slot, |
| 85 NGX_HTTP_SRV_CONF_OFFSET, | |
| 86 offsetof(ngx_http_ssl_srv_conf_t, protocols), | |
| 87 &ngx_http_ssl_protocols }, | |
| 88 | |
| 479 | 89 { ngx_string("ssl_ciphers"), |
| 563 | 90 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| 479 | 91 ngx_conf_set_str_slot, |
| 92 NGX_HTTP_SRV_CONF_OFFSET, | |
| 93 offsetof(ngx_http_ssl_srv_conf_t, ciphers), | |
| 94 NULL }, | |
| 95 | |
| 647 | 96 { ngx_string("ssl_verify_client"), |
| 667 | 97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
| 647 | 98 ngx_conf_set_flag_slot, |
| 99 NGX_HTTP_SRV_CONF_OFFSET, | |
| 100 offsetof(ngx_http_ssl_srv_conf_t, verify), | |
| 101 NULL }, | |
| 102 | |
| 103 { ngx_string("ssl_verify_depth"), | |
| 104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, | |
| 105 ngx_conf_set_num_slot, | |
| 106 NGX_HTTP_SRV_CONF_OFFSET, | |
| 107 offsetof(ngx_http_ssl_srv_conf_t, verify_depth), | |
| 108 NULL }, | |
| 109 | |
| 110 { ngx_string("ssl_client_certificate"), | |
| 111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 112 ngx_conf_set_str_slot, | |
| 113 NGX_HTTP_SRV_CONF_OFFSET, | |
| 114 offsetof(ngx_http_ssl_srv_conf_t, client_certificate), | |
| 115 NULL }, | |
| 116 | |
| 547 | 117 { ngx_string("ssl_prefer_server_ciphers"), |
| 118 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, | |
| 563 | 119 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 547 | 120 ngx_conf_set_flag_slot, |
| 121 NGX_HTTP_SRV_CONF_OFFSET, | |
| 122 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), | |
| 123 NULL }, | |
| 563 | 124 #else |
| 125 ngx_http_ssl_nosupported, 0, 0, ngx_http_ssl_openssl097 }, | |
| 126 #endif | |
| 547 | 127 |
| 973 | 128 { ngx_string("ssl_session_cache"), |
| 129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12, | |
| 130 ngx_http_ssl_session_cache, | |
| 131 NGX_HTTP_SRV_CONF_OFFSET, | |
| 132 0, | |
| 133 NULL }, | |
| 134 | |
| 573 | 135 { ngx_string("ssl_session_timeout"), |
| 136 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, | |
| 137 ngx_conf_set_sec_slot, | |
| 138 NGX_HTTP_SRV_CONF_OFFSET, | |
| 139 offsetof(ngx_http_ssl_srv_conf_t, session_timeout), | |
| 140 NULL }, | |
| 141 | |
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142 ngx_null_command |
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143 }; |
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144 |
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145 |
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146 static ngx_http_module_t ngx_http_ssl_module_ctx = { |
| 611 | 147 ngx_http_ssl_add_variables, /* preconfiguration */ |
| 509 | 148 NULL, /* postconfiguration */ |
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149 |
| 541 | 150 NULL, /* create main configuration */ |
| 151 NULL, /* init main configuration */ | |
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152 |
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153 ngx_http_ssl_create_srv_conf, /* create server configuration */ |
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154 ngx_http_ssl_merge_srv_conf, /* merge server configuration */ |
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155 |
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156 NULL, /* create location configuration */ |
| 485 | 157 NULL /* merge location configuration */ |
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158 }; |
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159 |
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160 |
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161 ngx_module_t ngx_http_ssl_module = { |
| 509 | 162 NGX_MODULE_V1, |
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163 &ngx_http_ssl_module_ctx, /* module context */ |
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164 ngx_http_ssl_commands, /* module directives */ |
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165 NGX_HTTP_MODULE, /* module type */ |
| 541 | 166 NULL, /* init master */ |
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167 NULL, /* init module */ |
| 541 | 168 NULL, /* init process */ |
| 169 NULL, /* init thread */ | |
| 170 NULL, /* exit thread */ | |
| 171 NULL, /* exit process */ | |
| 172 NULL, /* exit master */ | |
| 173 NGX_MODULE_V1_PADDING | |
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174 }; |
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175 |
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176 |
| 611 | 177 static ngx_http_variable_t ngx_http_ssl_vars[] = { |
| 178 | |
| 671 | 179 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 180 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 181 |
| 671 | 182 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 183 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 184 |
| 671 | 185 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 186 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 187 |
| 671 | 188 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 189 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 671 | 190 |
| 191 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable, | |
| 1565 | 192 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 193 |
| 637 | 194 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 611 | 195 }; |
| 196 | |
| 197 | |
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198 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP"); |
| 973 | 199 |
| 200 | |
| 201 static ngx_int_t | |
| 671 | 202 ngx_http_ssl_static_variable(ngx_http_request_t *r, |
| 611 | 203 ngx_http_variable_value_t *v, uintptr_t data) |
| 204 { | |
| 671 | 205 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 611 | 206 |
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207 size_t len; |
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208 ngx_str_t s; |
| 611 | 209 |
| 210 if (r->connection->ssl) { | |
| 211 | |
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212 (void) handler(r->connection, NULL, &s); |
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213 |
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214 v->data = s.data; |
| 611 | 215 |
| 671 | 216 for (len = 0; v->data[len]; len++) { /* void */ } |
| 611 | 217 |
| 218 v->len = len; | |
| 219 v->valid = 1; | |
| 1565 | 220 v->no_cacheable = 0; |
| 611 | 221 v->not_found = 0; |
| 222 | |
| 223 return NGX_OK; | |
| 224 } | |
| 225 | |
| 226 v->not_found = 1; | |
| 227 | |
| 228 return NGX_OK; | |
| 229 } | |
| 230 | |
| 231 | |
| 232 static ngx_int_t | |
| 671 | 233 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 647 | 234 uintptr_t data) |
| 235 { | |
| 671 | 236 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 647 | 237 |
|
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238 ngx_str_t s; |
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239 |
| 647 | 240 if (r->connection->ssl) { |
|
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241 |
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242 if (handler(r->connection, r->pool, &s) != NGX_OK) { |
| 647 | 243 return NGX_ERROR; |
| 244 } | |
| 245 | |
|
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246 v->len = s.len; |
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247 v->data = s.data; |
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248 |
| 647 | 249 if (v->len) { |
| 250 v->valid = 1; | |
| 1565 | 251 v->no_cacheable = 0; |
| 647 | 252 v->not_found = 0; |
| 253 | |
| 254 return NGX_OK; | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 v->not_found = 1; | |
| 259 | |
| 260 return NGX_OK; | |
| 261 } | |
| 262 | |
| 263 | |
| 264 static ngx_int_t | |
| 611 | 265 ngx_http_ssl_add_variables(ngx_conf_t *cf) |
| 266 { | |
| 267 ngx_http_variable_t *var, *v; | |
| 268 | |
| 269 for (v = ngx_http_ssl_vars; v->name.len; v++) { | |
| 270 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 271 if (var == NULL) { | |
| 272 return NGX_ERROR; | |
| 273 } | |
| 274 | |
| 637 | 275 var->get_handler = v->get_handler; |
| 611 | 276 var->data = v->data; |
| 277 } | |
| 278 | |
| 279 return NGX_OK; | |
| 280 } | |
| 281 | |
| 282 | |
| 501 | 283 static void * |
| 284 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) | |
|
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285 { |
| 971 | 286 ngx_http_ssl_srv_conf_t *sscf; |
|
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287 |
| 971 | 288 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); |
| 289 if (sscf == NULL) { | |
|
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290 return NGX_CONF_ERROR; |
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291 } |
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292 |
| 479 | 293 /* |
| 294 * set by ngx_pcalloc(): | |
| 295 * | |
| 971 | 296 * sscf->protocols = 0; |
| 2044 | 297 * sscf->certificate = { 0, NULL }; |
| 298 * sscf->certificate_key = { 0, NULL }; | |
| 299 * sscf->dhparam = { 0, NULL }; | |
| 300 * sscf->client_certificate = { 0, NULL }; | |
| 971 | 301 * sscf->ciphers.len = 0; |
| 302 * sscf->ciphers.data = NULL; | |
| 973 | 303 * sscf->shm_zone = NULL; |
| 479 | 304 */ |
| 305 | |
| 971 | 306 sscf->enable = NGX_CONF_UNSET; |
| 307 sscf->verify = NGX_CONF_UNSET; | |
| 308 sscf->verify_depth = NGX_CONF_UNSET; | |
| 309 sscf->prefer_server_ciphers = NGX_CONF_UNSET; | |
| 973 | 310 sscf->builtin_session_cache = NGX_CONF_UNSET; |
| 311 sscf->session_timeout = NGX_CONF_UNSET; | |
|
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312 |
| 971 | 313 return sscf; |
|
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314 } |
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315 |
|
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316 |
| 501 | 317 static char * |
| 318 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
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319 { |
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320 ngx_http_ssl_srv_conf_t *prev = parent; |
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321 ngx_http_ssl_srv_conf_t *conf = child; |
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322 |
| 563 | 323 ngx_pool_cleanup_t *cln; |
| 324 | |
|
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325 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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326 |
|
393
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327 if (conf->enable == 0) { |
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328 return NGX_CONF_OK; |
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329 } |
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330 |
| 573 | 331 ngx_conf_merge_value(conf->session_timeout, |
| 332 prev->session_timeout, 300); | |
| 333 | |
| 547 | 334 ngx_conf_merge_value(conf->prefer_server_ciphers, |
| 335 prev->prefer_server_ciphers, 0); | |
| 336 | |
| 337 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
| 338 (NGX_CONF_BITMASK_SET | |
| 339 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
| 340 | |
| 647 | 341 ngx_conf_merge_value(conf->verify, prev->verify, 0); |
| 342 ngx_conf_merge_value(conf->verify_depth, prev->verify_depth, 1); | |
| 343 | |
|
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344 ngx_conf_merge_str_value(conf->certificate, prev->certificate, |
| 547 | 345 NGX_DEFLAUT_CERTIFICATE); |
|
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346 |
|
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347 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, |
| 547 | 348 NGX_DEFLAUT_CERTIFICATE_KEY); |
|
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349 |
| 2044 | 350 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); |
| 351 | |
| 647 | 352 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, |
| 353 ""); | |
| 354 | |
| 547 | 355 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS); |
| 479 | 356 |
| 357 | |
| 547 | 358 conf->ssl.log = cf->log; |
|
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359 |
| 969 | 360 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) { |
|
386
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361 return NGX_CONF_ERROR; |
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362 } |
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363 |
| 1219 | 364 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
| 365 | |
| 366 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx, | |
| 367 ngx_http_ssl_servername) | |
| 368 == 0) | |
| 369 { | |
| 370 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 371 "SSL_CTX_set_tlsext_servername_callback() failed"); | |
| 372 return NGX_CONF_ERROR; | |
| 373 } | |
| 374 | |
| 375 #endif | |
| 376 | |
| 563 | 377 cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 378 if (cln == NULL) { | |
| 509 | 379 return NGX_CONF_ERROR; |
| 380 } | |
| 381 | |
| 563 | 382 cln->handler = ngx_ssl_cleanup_ctx; |
| 383 cln->data = &conf->ssl; | |
| 384 | |
| 385 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
| 970 | 386 &conf->certificate_key) |
| 387 != NGX_OK) | |
| 529 | 388 { |
|
386
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389 return NGX_CONF_ERROR; |
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390 } |
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391 |
| 547 | 392 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
| 563 | 393 (const char *) conf->ciphers.data) |
| 394 == 0) | |
| 529 | 395 { |
|
395
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396 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, |
| 547 | 397 "SSL_CTX_set_cipher_list(\"%V\") failed", |
| 398 &conf->ciphers); | |
| 399 } | |
| 400 | |
| 647 | 401 if (conf->verify) { |
| 671 | 402 if (ngx_ssl_client_certificate(cf, &conf->ssl, |
| 970 | 403 &conf->client_certificate, |
| 404 conf->verify_depth) | |
| 671 | 405 != NGX_OK) |
| 406 { | |
| 407 return NGX_CONF_ERROR; | |
| 647 | 408 } |
| 409 } | |
| 410 | |
| 563 | 411 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 412 | |
| 547 | 413 if (conf->prefer_server_ciphers) { |
| 414 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| 415 } | |
| 416 | |
| 563 | 417 #endif |
| 418 | |
| 547 | 419 /* a temporary 512-bit RSA key is required for export versions of MSIE */ |
| 420 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { | |
|
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421 return NGX_CONF_ERROR; |
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422 } |
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423 |
| 2044 | 424 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { |
| 425 return NGX_CONF_ERROR; | |
| 426 } | |
| 427 | |
| 973 | 428 ngx_conf_merge_value(conf->builtin_session_cache, |
| 2032 | 429 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); |
| 973 | 430 |
| 431 if (conf->shm_zone == NULL) { | |
| 432 conf->shm_zone = prev->shm_zone; | |
| 433 } | |
| 434 | |
|
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435 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx, |
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436 conf->builtin_session_cache, |
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437 conf->shm_zone, conf->session_timeout) |
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438 != NGX_OK) |
| 973 | 439 { |
|
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440 return NGX_CONF_ERROR; |
| 973 | 441 } |
| 573 | 442 |
|
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443 return NGX_CONF_OK; |
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|
444 } |
| 563 | 445 |
| 446 | |
| 973 | 447 static char * |
| 448 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 449 { | |
| 450 ngx_http_ssl_srv_conf_t *sscf = conf; | |
| 451 | |
| 452 size_t len; | |
| 453 ngx_str_t *value, name, size; | |
| 454 ngx_int_t n; | |
| 455 ngx_uint_t i, j; | |
| 456 | |
| 457 value = cf->args->elts; | |
| 458 | |
| 459 for (i = 1; i < cf->args->nelts; i++) { | |
| 460 | |
| 1778 | 461 if (ngx_strcmp(value[i].data, "off") == 0) { |
| 462 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
| 463 continue; | |
| 464 } | |
| 465 | |
| 2032 | 466 if (ngx_strcmp(value[i].data, "none") == 0) { |
| 467 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
| 468 continue; | |
| 469 } | |
| 470 | |
| 973 | 471 if (ngx_strcmp(value[i].data, "builtin") == 0) { |
|
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472 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; |
| 973 | 473 continue; |
| 474 } | |
| 475 | |
| 476 if (value[i].len > sizeof("builtin:") - 1 | |
| 477 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
| 478 == 0) | |
| 479 { | |
| 480 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
| 481 value[i].len - (sizeof("builtin:") - 1)); | |
| 482 | |
| 483 if (n == NGX_ERROR) { | |
| 484 goto invalid; | |
| 485 } | |
| 486 | |
| 487 sscf->builtin_session_cache = n; | |
| 488 | |
| 489 continue; | |
| 490 } | |
| 491 | |
| 492 if (value[i].len > sizeof("shared:") - 1 | |
| 493 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
| 494 == 0) | |
| 495 { | |
| 496 len = 0; | |
| 497 | |
| 498 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
| 499 if (value[i].data[j] == ':') { | |
| 500 break; | |
| 501 } | |
| 502 | |
| 503 len++; | |
| 504 } | |
| 505 | |
| 506 if (len == 0) { | |
| 507 goto invalid; | |
| 508 } | |
| 509 | |
| 510 name.len = len; | |
| 511 name.data = value[i].data + sizeof("shared:") - 1; | |
| 512 | |
| 513 size.len = value[i].len - j - 1; | |
| 514 size.data = name.data + len + 1; | |
| 515 | |
| 516 n = ngx_parse_size(&size); | |
| 517 | |
| 518 if (n == NGX_ERROR) { | |
| 519 goto invalid; | |
| 520 } | |
| 521 | |
| 522 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
| 523 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
|
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524 "session cache \"%V\" is too small", |
| 973 | 525 &value[i]); |
| 526 | |
| 527 return NGX_CONF_ERROR; | |
| 528 } | |
| 529 | |
| 530 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
| 531 &ngx_http_ssl_module); | |
| 532 if (sscf->shm_zone == NULL) { | |
| 533 return NGX_CONF_ERROR; | |
| 534 } | |
| 535 | |
| 536 continue; | |
| 537 } | |
| 538 | |
| 539 goto invalid; | |
| 540 } | |
| 541 | |
| 542 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) { | |
|
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diff
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|
543 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; |
| 973 | 544 } |
| 545 | |
| 546 return NGX_CONF_OK; | |
| 547 | |
| 548 invalid: | |
| 549 | |
| 550 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 551 "invalid session cache \"%V\"", &value[i]); | |
| 552 | |
| 553 return NGX_CONF_ERROR; | |
| 554 } | |
| 555 | |
| 556 | |
| 563 | 557 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
| 558 | |
| 559 static char * | |
| 560 ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 561 { | |
| 562 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 563 "\"%V\" directive is available only in %s,", | |
| 564 &cmd->name, cmd->post); | |
| 565 | |
| 566 return NGX_CONF_ERROR; | |
| 567 } | |
| 568 | |
| 569 #endif |