Mercurial > hg > nginx
annotate src/http/modules/ngx_http_ssl_module.c @ 2123:9697407e9ecb
*) ssl_verify_client ask
*) test ssl_client_certificate for ssl_verify_client
*) $ssl_client_cert adds TAB before each line except first one
*) $ssl_client_raw_cert contains certificate as is
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 29 Jul 2008 14:29:02 +0000 |
| parents | 2b11822b12d6 |
| children | e0b424b98f24 |
| 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 | |
| 2123 | 52 static ngx_conf_enum_t ngx_http_ssl_verify[] = { |
| 53 { ngx_string("off"), 0 }, | |
| 54 { ngx_string("on"), 1 }, | |
| 55 { ngx_string("ask"), 2 }, | |
| 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, |
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64 ngx_conf_set_flag_slot, |
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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 | |
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150 ngx_null_command |
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151 }; |
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152 |
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153 |
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154 static ngx_http_module_t ngx_http_ssl_module_ctx = { |
| 611 | 155 ngx_http_ssl_add_variables, /* preconfiguration */ |
| 509 | 156 NULL, /* postconfiguration */ |
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157 |
| 541 | 158 NULL, /* create main configuration */ |
| 159 NULL, /* init main configuration */ | |
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160 |
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161 ngx_http_ssl_create_srv_conf, /* create server configuration */ |
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162 ngx_http_ssl_merge_srv_conf, /* merge server configuration */ |
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163 |
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164 NULL, /* create location configuration */ |
| 485 | 165 NULL /* merge location configuration */ |
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166 }; |
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167 |
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168 |
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169 ngx_module_t ngx_http_ssl_module = { |
| 509 | 170 NGX_MODULE_V1, |
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171 &ngx_http_ssl_module_ctx, /* module context */ |
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172 ngx_http_ssl_commands, /* module directives */ |
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173 NGX_HTTP_MODULE, /* module type */ |
| 541 | 174 NULL, /* init master */ |
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175 NULL, /* init module */ |
| 541 | 176 NULL, /* init process */ |
| 177 NULL, /* init thread */ | |
| 178 NULL, /* exit thread */ | |
| 179 NULL, /* exit process */ | |
| 180 NULL, /* exit master */ | |
| 181 NGX_MODULE_V1_PADDING | |
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182 }; |
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183 |
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184 |
| 611 | 185 static ngx_http_variable_t ngx_http_ssl_vars[] = { |
| 186 | |
| 671 | 187 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 188 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 189 |
| 671 | 190 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable, |
| 1565 | 191 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 611 | 192 |
| 2045 | 193 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable, |
| 194 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 }, | |
| 195 | |
| 2123 | 196 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable, |
| 197 (uintptr_t) ngx_ssl_get_raw_certificate, | |
| 198 NGX_HTTP_VAR_CHANGEABLE, 0 }, | |
| 199 | |
| 671 | 200 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 201 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 202 |
| 671 | 203 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable, |
| 1565 | 204 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 671 | 205 |
| 206 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable, | |
| 1565 | 207 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 }, |
| 647 | 208 |
| 637 | 209 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 611 | 210 }; |
| 211 | |
| 212 | |
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213 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP"); |
| 973 | 214 |
| 215 | |
| 216 static ngx_int_t | |
| 671 | 217 ngx_http_ssl_static_variable(ngx_http_request_t *r, |
| 611 | 218 ngx_http_variable_value_t *v, uintptr_t data) |
| 219 { | |
| 671 | 220 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 611 | 221 |
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222 size_t len; |
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223 ngx_str_t s; |
| 611 | 224 |
| 225 if (r->connection->ssl) { | |
| 226 | |
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227 (void) handler(r->connection, NULL, &s); |
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228 |
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229 v->data = s.data; |
| 611 | 230 |
| 671 | 231 for (len = 0; v->data[len]; len++) { /* void */ } |
| 611 | 232 |
| 233 v->len = len; | |
| 234 v->valid = 1; | |
| 1565 | 235 v->no_cacheable = 0; |
| 611 | 236 v->not_found = 0; |
| 237 | |
| 238 return NGX_OK; | |
| 239 } | |
| 240 | |
| 241 v->not_found = 1; | |
| 242 | |
| 243 return NGX_OK; | |
| 244 } | |
| 245 | |
| 246 | |
| 247 static ngx_int_t | |
| 671 | 248 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 647 | 249 uintptr_t data) |
| 250 { | |
| 671 | 251 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
| 647 | 252 |
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253 ngx_str_t s; |
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254 |
| 647 | 255 if (r->connection->ssl) { |
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256 |
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257 if (handler(r->connection, r->pool, &s) != NGX_OK) { |
| 647 | 258 return NGX_ERROR; |
| 259 } | |
| 260 | |
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261 v->len = s.len; |
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262 v->data = s.data; |
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263 |
| 647 | 264 if (v->len) { |
| 265 v->valid = 1; | |
| 1565 | 266 v->no_cacheable = 0; |
| 647 | 267 v->not_found = 0; |
| 268 | |
| 269 return NGX_OK; | |
| 270 } | |
| 271 } | |
| 272 | |
| 273 v->not_found = 1; | |
| 274 | |
| 275 return NGX_OK; | |
| 276 } | |
| 277 | |
| 278 | |
| 279 static ngx_int_t | |
| 611 | 280 ngx_http_ssl_add_variables(ngx_conf_t *cf) |
| 281 { | |
| 282 ngx_http_variable_t *var, *v; | |
| 283 | |
| 284 for (v = ngx_http_ssl_vars; v->name.len; v++) { | |
| 285 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
| 286 if (var == NULL) { | |
| 287 return NGX_ERROR; | |
| 288 } | |
| 289 | |
| 637 | 290 var->get_handler = v->get_handler; |
| 611 | 291 var->data = v->data; |
| 292 } | |
| 293 | |
| 294 return NGX_OK; | |
| 295 } | |
| 296 | |
| 297 | |
| 501 | 298 static void * |
| 299 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) | |
|
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300 { |
| 971 | 301 ngx_http_ssl_srv_conf_t *sscf; |
|
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302 |
| 971 | 303 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); |
| 304 if (sscf == NULL) { | |
|
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305 return NGX_CONF_ERROR; |
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306 } |
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307 |
| 479 | 308 /* |
| 309 * set by ngx_pcalloc(): | |
| 310 * | |
| 971 | 311 * sscf->protocols = 0; |
| 2044 | 312 * sscf->certificate = { 0, NULL }; |
| 313 * sscf->certificate_key = { 0, NULL }; | |
| 314 * sscf->dhparam = { 0, NULL }; | |
| 315 * sscf->client_certificate = { 0, NULL }; | |
| 971 | 316 * sscf->ciphers.len = 0; |
| 317 * sscf->ciphers.data = NULL; | |
| 973 | 318 * sscf->shm_zone = NULL; |
| 479 | 319 */ |
| 320 | |
| 971 | 321 sscf->enable = NGX_CONF_UNSET; |
| 2123 | 322 sscf->prefer_server_ciphers = NGX_CONF_UNSET; |
| 971 | 323 sscf->verify = NGX_CONF_UNSET; |
| 324 sscf->verify_depth = NGX_CONF_UNSET; | |
| 973 | 325 sscf->builtin_session_cache = NGX_CONF_UNSET; |
| 326 sscf->session_timeout = NGX_CONF_UNSET; | |
|
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327 |
| 971 | 328 return sscf; |
|
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329 } |
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330 |
|
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331 |
| 501 | 332 static char * |
| 333 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
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334 { |
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335 ngx_http_ssl_srv_conf_t *prev = parent; |
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336 ngx_http_ssl_srv_conf_t *conf = child; |
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337 |
| 563 | 338 ngx_pool_cleanup_t *cln; |
| 339 | |
|
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340 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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341 |
|
393
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342 if (conf->enable == 0) { |
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343 return NGX_CONF_OK; |
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344 } |
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345 |
| 573 | 346 ngx_conf_merge_value(conf->session_timeout, |
| 347 prev->session_timeout, 300); | |
| 348 | |
| 547 | 349 ngx_conf_merge_value(conf->prefer_server_ciphers, |
| 350 prev->prefer_server_ciphers, 0); | |
| 351 | |
| 352 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
| 353 (NGX_CONF_BITMASK_SET | |
| 354 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
| 355 | |
| 2123 | 356 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0); |
| 357 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1); | |
| 647 | 358 |
|
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359 ngx_conf_merge_str_value(conf->certificate, prev->certificate, |
| 547 | 360 NGX_DEFLAUT_CERTIFICATE); |
|
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361 |
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362 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, |
| 547 | 363 NGX_DEFLAUT_CERTIFICATE_KEY); |
|
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364 |
| 2044 | 365 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); |
| 366 | |
| 647 | 367 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, |
| 368 ""); | |
| 369 | |
| 547 | 370 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS); |
| 479 | 371 |
| 372 | |
| 547 | 373 conf->ssl.log = cf->log; |
|
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374 |
| 969 | 375 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) { |
|
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376 return NGX_CONF_ERROR; |
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377 } |
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378 |
| 1219 | 379 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
| 380 | |
| 381 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx, | |
| 382 ngx_http_ssl_servername) | |
| 383 == 0) | |
| 384 { | |
| 385 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 386 "SSL_CTX_set_tlsext_servername_callback() failed"); | |
| 387 return NGX_CONF_ERROR; | |
| 388 } | |
| 389 | |
| 390 #endif | |
| 391 | |
| 563 | 392 cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 393 if (cln == NULL) { | |
| 509 | 394 return NGX_CONF_ERROR; |
| 395 } | |
| 396 | |
| 563 | 397 cln->handler = ngx_ssl_cleanup_ctx; |
| 398 cln->data = &conf->ssl; | |
| 399 | |
| 400 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
| 970 | 401 &conf->certificate_key) |
| 402 != NGX_OK) | |
| 529 | 403 { |
|
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404 return NGX_CONF_ERROR; |
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405 } |
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406 |
| 547 | 407 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
| 563 | 408 (const char *) conf->ciphers.data) |
| 409 == 0) | |
| 529 | 410 { |
|
395
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411 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, |
| 547 | 412 "SSL_CTX_set_cipher_list(\"%V\") failed", |
| 413 &conf->ciphers); | |
| 414 } | |
| 415 | |
| 647 | 416 if (conf->verify) { |
| 2123 | 417 |
| 418 if (conf->client_certificate.len == 0) { | |
| 419 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 420 "no ssl_client_certificate for ssl_client_verify"); | |
| 421 return NGX_CONF_ERROR; | |
| 422 } | |
| 423 | |
| 671 | 424 if (ngx_ssl_client_certificate(cf, &conf->ssl, |
| 970 | 425 &conf->client_certificate, |
| 426 conf->verify_depth) | |
| 671 | 427 != NGX_OK) |
| 428 { | |
| 429 return NGX_CONF_ERROR; | |
| 647 | 430 } |
| 431 } | |
| 432 | |
| 563 | 433 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 434 | |
| 547 | 435 if (conf->prefer_server_ciphers) { |
| 436 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| 437 } | |
| 438 | |
| 563 | 439 #endif |
| 440 | |
| 547 | 441 /* a temporary 512-bit RSA key is required for export versions of MSIE */ |
| 442 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { | |
|
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443 return NGX_CONF_ERROR; |
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444 } |
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445 |
| 2044 | 446 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { |
| 447 return NGX_CONF_ERROR; | |
| 448 } | |
| 449 | |
| 973 | 450 ngx_conf_merge_value(conf->builtin_session_cache, |
| 2032 | 451 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); |
| 973 | 452 |
| 453 if (conf->shm_zone == NULL) { | |
| 454 conf->shm_zone = prev->shm_zone; | |
| 455 } | |
| 456 | |
|
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457 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx, |
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458 conf->builtin_session_cache, |
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459 conf->shm_zone, conf->session_timeout) |
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460 != NGX_OK) |
| 973 | 461 { |
|
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462 return NGX_CONF_ERROR; |
| 973 | 463 } |
| 573 | 464 |
|
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465 return NGX_CONF_OK; |
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466 } |
| 563 | 467 |
| 468 | |
| 973 | 469 static char * |
| 470 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 471 { | |
| 472 ngx_http_ssl_srv_conf_t *sscf = conf; | |
| 473 | |
| 474 size_t len; | |
| 475 ngx_str_t *value, name, size; | |
| 476 ngx_int_t n; | |
| 477 ngx_uint_t i, j; | |
| 478 | |
| 479 value = cf->args->elts; | |
| 480 | |
| 481 for (i = 1; i < cf->args->nelts; i++) { | |
| 482 | |
| 1778 | 483 if (ngx_strcmp(value[i].data, "off") == 0) { |
| 484 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
| 485 continue; | |
| 486 } | |
| 487 | |
| 2032 | 488 if (ngx_strcmp(value[i].data, "none") == 0) { |
| 489 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
| 490 continue; | |
| 491 } | |
| 492 | |
| 973 | 493 if (ngx_strcmp(value[i].data, "builtin") == 0) { |
|
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494 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; |
| 973 | 495 continue; |
| 496 } | |
| 497 | |
| 498 if (value[i].len > sizeof("builtin:") - 1 | |
| 499 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
| 500 == 0) | |
| 501 { | |
| 502 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
| 503 value[i].len - (sizeof("builtin:") - 1)); | |
| 504 | |
| 505 if (n == NGX_ERROR) { | |
| 506 goto invalid; | |
| 507 } | |
| 508 | |
| 509 sscf->builtin_session_cache = n; | |
| 510 | |
| 511 continue; | |
| 512 } | |
| 513 | |
| 514 if (value[i].len > sizeof("shared:") - 1 | |
| 515 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
| 516 == 0) | |
| 517 { | |
| 518 len = 0; | |
| 519 | |
| 520 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
| 521 if (value[i].data[j] == ':') { | |
| 522 break; | |
| 523 } | |
| 524 | |
| 525 len++; | |
| 526 } | |
| 527 | |
| 528 if (len == 0) { | |
| 529 goto invalid; | |
| 530 } | |
| 531 | |
| 532 name.len = len; | |
| 533 name.data = value[i].data + sizeof("shared:") - 1; | |
| 534 | |
| 535 size.len = value[i].len - j - 1; | |
| 536 size.data = name.data + len + 1; | |
| 537 | |
| 538 n = ngx_parse_size(&size); | |
| 539 | |
| 540 if (n == NGX_ERROR) { | |
| 541 goto invalid; | |
| 542 } | |
| 543 | |
| 544 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
| 545 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
|
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546 "session cache \"%V\" is too small", |
| 973 | 547 &value[i]); |
| 548 | |
| 549 return NGX_CONF_ERROR; | |
| 550 } | |
| 551 | |
| 552 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
| 553 &ngx_http_ssl_module); | |
| 554 if (sscf->shm_zone == NULL) { | |
| 555 return NGX_CONF_ERROR; | |
| 556 } | |
| 557 | |
| 558 continue; | |
| 559 } | |
| 560 | |
| 561 goto invalid; | |
| 562 } | |
| 563 | |
| 564 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
|
565 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; |
| 973 | 566 } |
| 567 | |
| 568 return NGX_CONF_OK; | |
| 569 | |
| 570 invalid: | |
| 571 | |
| 572 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 573 "invalid session cache \"%V\"", &value[i]); | |
| 574 | |
| 575 return NGX_CONF_ERROR; | |
| 576 } | |
| 577 | |
| 578 | |
| 563 | 579 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
| 580 | |
| 581 static char * | |
| 582 ngx_http_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 583 { | |
| 584 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 585 "\"%V\" directive is available only in %s,", | |
| 586 &cmd->name, cmd->post); | |
| 587 | |
| 588 return NGX_CONF_ERROR; | |
| 589 } | |
| 590 | |
| 591 #endif |