Mercurial > hg > nginx
annotate src/http/modules/ngx_http_ssl_module.c @ 2995:cc07d164f0dc
ssl_crl
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| 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" |
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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); | |
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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); |
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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 | |
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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[] = { |
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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, |
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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, |
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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, |
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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 */ |
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164 |
| 541 | 165 NULL, /* create main configuration */ |
| 166 NULL, /* init main configuration */ | |
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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 */ |
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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 */ |
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180 NGX_HTTP_MODULE, /* module type */ |
| 541 | 181 NULL, /* init master */ |
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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 | |
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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) | |
|
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310 { |
| 971 | 311 ngx_http_ssl_srv_conf_t *sscf; |
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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; |
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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; | |
|
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338 |
| 971 | 339 return sscf; |
|
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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) | |
|
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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 | |
|
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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, ""); | |
|
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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; |
|
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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) { |
|
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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 { |
|
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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 { |
|
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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) { | |
|
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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 |
|
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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, | |
|
974
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
973
diff
changeset
|
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
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
973
diff
changeset
|
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 |