Mercurial > hg > nginx-ranges
view src/http/modules/ngx_http_ssl_module.c @ 103:acdd83ee07cb
Added tag NGINX_0_2_5 for changeset f63280c59dd5
author | Igor Sysoev <http://sysoev.ru> |
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date | Tue, 04 Oct 2005 00:00:00 +0400 |
parents | ca4f70b3ccc6 |
children | 408f195b3482 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> #define NGX_DEFLAUT_CERTIFICATE "cert.pem" #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem" #define NGX_DEFLAUT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP" static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf); static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child); static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = { { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, { ngx_null_string, 0 } }; static ngx_command_t ngx_http_ssl_commands[] = { { ngx_string("ssl"), NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, enable), NULL }, { ngx_string("ssl_certificate"), NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_str_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, certificate), NULL }, { ngx_string("ssl_certificate_key"), NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_str_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, certificate_key), NULL }, { ngx_string("ssl_protocols"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_bitmask_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, protocols), &ngx_http_ssl_protocols }, { ngx_string("ssl_ciphers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, ngx_conf_set_str_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, ciphers), NULL }, { ngx_string("ssl_prefer_server_ciphers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), NULL }, ngx_null_command }; static ngx_http_module_t ngx_http_ssl_module_ctx = { NULL, /* preconfiguration */ NULL, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ ngx_http_ssl_create_srv_conf, /* create server configuration */ ngx_http_ssl_merge_srv_conf, /* merge server configuration */ NULL, /* create location configuration */ NULL /* merge location configuration */ }; ngx_module_t ngx_http_ssl_module = { NGX_MODULE_V1, &ngx_http_ssl_module_ctx, /* module context */ ngx_http_ssl_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; static u_char ngx_http_session_id_ctx[] = "HTTP"; static void * ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) { ngx_http_ssl_srv_conf_t *scf; scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); if (scf == NULL) { return NGX_CONF_ERROR; } /* * set by ngx_pcalloc(): * * scf->protocols = 0; * scf->certificate.len = 0; * scf->certificate.data = NULL; * scf->certificate_key.len = 0; * scf->certificate_key.data = NULL; * scf->ciphers.len = 0; * scf->ciphers.data = NULL; */ scf->enable = NGX_CONF_UNSET; scf->prefer_server_ciphers = NGX_CONF_UNSET; return scf; } static char * ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_ssl_srv_conf_t *prev = parent; ngx_http_ssl_srv_conf_t *conf = child; ngx_conf_merge_value(conf->enable, prev->enable, 0); if (conf->enable == 0) { return NGX_CONF_OK; } ngx_conf_merge_value(conf->prefer_server_ciphers, prev->prefer_server_ciphers, 0); ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, (NGX_CONF_BITMASK_SET |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); ngx_conf_merge_str_value(conf->certificate, prev->certificate, NGX_DEFLAUT_CERTIFICATE); ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, NGX_DEFLAUT_CERTIFICATE_KEY); ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFLAUT_CIPHERS); conf->ssl.log = cf->log; if (ngx_ssl_create(&conf->ssl, conf->protocols) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_pool_cleanup_add(cf->pool, ngx_ssl_cleanup_ctx, &conf->ssl) == NULL) { return NGX_CONF_ERROR; } if (ngx_ssl_certificate(&conf->ssl, conf->certificate.data, conf->certificate_key.data) != NGX_OK) { return NGX_CONF_ERROR; } if (SSL_CTX_set_cipher_list(conf->ssl.ctx, (const char *) conf->ciphers.data) == 0) { ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, "SSL_CTX_set_cipher_list(\"%V\") failed", &conf->ciphers); } if (conf->prefer_server_ciphers) { SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); } /* a temporary 512-bit RSA key is required for export versions of MSIE */ if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { return NGX_CONF_ERROR; } SSL_CTX_set_session_cache_mode(conf->ssl.ctx, SSL_SESS_CACHE_SERVER); SSL_CTX_set_session_id_context(conf->ssl.ctx, ngx_http_session_id_ctx, sizeof(ngx_http_session_id_ctx) - 1); return NGX_CONF_OK; }