diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/ssl/ssl_engine_init.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/modules/ssl/ssl_engine_init.c | 1243 |
1 files changed, 0 insertions, 1243 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_engine_init.c b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_engine_init.c deleted file mode 100644 index 92c3395d..00000000 --- a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_engine_init.c +++ /dev/null @@ -1,1243 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* _ _ - * _ __ ___ ___ __| | ___ ___| | mod_ssl - * | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL - * | | | | | | (_) | (_| | \__ \__ \ | - * |_| |_| |_|\___/ \__,_|___|___/___/_| - * |_____| - * ssl_engine_init.c - * Initialization of Servers - */ - /* ``Recursive, adj.; - see Recursive.'' - -- Unknown */ -#include "mod_ssl.h" - -/* _________________________________________________________________ -** -** Module Initialization -** _________________________________________________________________ -*/ - - -static void ssl_add_version_components(apr_pool_t *p, - server_rec *s) -{ - char *modver = ssl_var_lookup(p, s, NULL, NULL, "SSL_VERSION_INTERFACE"); - char *libver = ssl_var_lookup(p, s, NULL, NULL, "SSL_VERSION_LIBRARY"); - char *incver = ssl_var_lookup(p, s, NULL, NULL, - "SSL_VERSION_LIBRARY_INTERFACE"); - - ap_add_version_component(p, modver); - ap_add_version_component(p, libver); - - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "%s compiled against Server: %s, Library: %s", - modver, AP_SERVER_BASEVERSION, incver); -} - - -/* - * Initialize SSL library - */ -static void ssl_init_SSLLibrary(server_rec *s) -{ - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "Init: Initializing %s library", SSL_LIBRARY_NAME); - - SSL_load_error_strings(); - SSL_library_init(); - OpenSSL_add_all_algorithms(); /* Required for eg SHA256 client certs */ -} - -/* - * Handle the Temporary RSA Keys and DH Params - */ - -#define MODSSL_TMP_KEY_FREE(mc, type, idx) \ - if (mc->pTmpKeys[idx]) { \ - type##_free((type *)mc->pTmpKeys[idx]); \ - mc->pTmpKeys[idx] = NULL; \ - } - -#define MODSSL_TMP_KEYS_FREE(mc, type) \ - MODSSL_TMP_KEY_FREE(mc, type, SSL_TMP_KEY_##type##_512); \ - MODSSL_TMP_KEY_FREE(mc, type, SSL_TMP_KEY_##type##_1024) - -static void ssl_tmp_keys_free(server_rec *s) -{ - SSLModConfigRec *mc = myModConfig(s); - - MODSSL_TMP_KEYS_FREE(mc, RSA); - MODSSL_TMP_KEYS_FREE(mc, DH); -} - -static int ssl_tmp_key_init_rsa(server_rec *s, - int bits, int idx) -{ - SSLModConfigRec *mc = myModConfig(s); - - if (!(mc->pTmpKeys[idx] = - RSA_generate_key(bits, RSA_F4, NULL, NULL))) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Init: Failed to generate temporary " - "%d bit RSA private key", bits); - return !OK; - } - - return OK; -} - -static int ssl_tmp_key_init_dh(server_rec *s, - int bits, int idx) -{ - SSLModConfigRec *mc = myModConfig(s); - - if (!(mc->pTmpKeys[idx] = - ssl_dh_GetTmpParam(bits))) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Init: Failed to generate temporary " - "%d bit DH parameters", bits); - return !OK; - } - - return OK; -} - -#define MODSSL_TMP_KEY_INIT_RSA(s, bits) \ - ssl_tmp_key_init_rsa(s, bits, SSL_TMP_KEY_RSA_##bits) - -#define MODSSL_TMP_KEY_INIT_DH(s, bits) \ - ssl_tmp_key_init_dh(s, bits, SSL_TMP_KEY_DH_##bits) - -static int ssl_tmp_keys_init(server_rec *s) -{ - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "Init: Generating temporary RSA private keys (512/1024 bits)"); - - if (MODSSL_TMP_KEY_INIT_RSA(s, 512) || - MODSSL_TMP_KEY_INIT_RSA(s, 1024)) { - return !OK; - } - - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "Init: Generating temporary DH parameters (512/1024 bits)"); - - if (MODSSL_TMP_KEY_INIT_DH(s, 512) || - MODSSL_TMP_KEY_INIT_DH(s, 1024)) { - return !OK; - } - - return OK; -} - -/* - * Per-module initialization - */ -int ssl_init_Module(apr_pool_t *p, apr_pool_t *plog, - apr_pool_t *ptemp, - server_rec *base_server) -{ - SSLModConfigRec *mc = myModConfig(base_server); - SSLSrvConfigRec *sc; - server_rec *s; - - /* - * Let us cleanup on restarts and exists - */ - apr_pool_cleanup_register(p, base_server, - ssl_init_ModuleKill, - apr_pool_cleanup_null); - - /* - * Any init round fixes the global config - */ - ssl_config_global_create(base_server); /* just to avoid problems */ - ssl_config_global_fix(mc); - - /* - * try to fix the configuration and open the dedicated SSL - * logfile as early as possible - */ - for (s = base_server; s; s = s->next) { - sc = mySrvConfig(s); - - if (sc->server) { - sc->server->sc = sc; - } - - if (sc->proxy) { - sc->proxy->sc = sc; - } - - /* - * Create the server host:port string because we need it a lot - */ - sc->vhost_id = ssl_util_vhostid(p, s); - sc->vhost_id_len = strlen(sc->vhost_id); - - /* Fix up stuff that may not have been set */ - if (sc->enabled == UNSET) { - sc->enabled = FALSE; - } - - if (sc->proxy_enabled == UNSET) { - sc->proxy_enabled = FALSE; - } - - if (sc->session_cache_timeout == UNSET) { - sc->session_cache_timeout = SSL_SESSION_CACHE_TIMEOUT; - } - - if (sc->server->pphrase_dialog_type == SSL_PPTYPE_UNSET) { - sc->server->pphrase_dialog_type = SSL_PPTYPE_BUILTIN; - } - - } - -#if APR_HAS_THREADS - ssl_util_thread_setup(p); -#endif - - /* - * SSL external crypto device ("engine") support - */ -#ifdef SSL_EXPERIMENTAL_ENGINE - ssl_init_Engine(base_server, p); -#endif - - ssl_init_SSLLibrary(base_server); - - /* - * Seed the Pseudo Random Number Generator (PRNG) - * only need ptemp here; nothing inside allocated from the pool - * needs to live once we return from ssl_rand_seed(). - */ - ssl_rand_seed(base_server, ptemp, SSL_RSCTX_STARTUP, "Init: "); - - /* - * read server private keys/public certs into memory. - * decrypting any encrypted keys via configured SSLPassPhraseDialogs - * anything that needs to live longer than ptemp needs to also survive - * restarts, in which case they'll live inside s->process->pool. - */ - ssl_pphrase_Handle(base_server, ptemp); - - if (ssl_tmp_keys_init(base_server)) { - return !OK; - } - - /* - * initialize the mutex handling - */ - if (!ssl_mutex_init(base_server, p)) { - return HTTP_INTERNAL_SERVER_ERROR; - } - - /* - * initialize session caching - */ - ssl_scache_init(base_server, p); - - /* - * initialize servers - */ - ap_log_error(APLOG_MARK, APLOG_INFO, 0, base_server, - "Init: Initializing (virtual) servers for SSL"); - - for (s = base_server; s; s = s->next) { - sc = mySrvConfig(s); - /* - * Either now skip this server when SSL is disabled for - * it or give out some information about what we're - * configuring. - */ - - /* - * Read the server certificate and key - */ - ssl_init_ConfigureServer(s, p, ptemp, sc); - } - - /* - * Configuration consistency checks - */ - ssl_init_CheckServers(base_server, ptemp); - - /* - * Announce mod_ssl and SSL library in HTTP Server field - * as ``mod_ssl/X.X.X OpenSSL/X.X.X'' - */ - ssl_add_version_components(p, base_server); - - SSL_init_app_data2_idx(); /* for SSL_get_app_data2() at request time */ - - return OK; -} - -/* - * Support for external a Crypto Device ("engine"), usually - * a hardware accellerator card for crypto operations. - */ -#ifdef SSL_EXPERIMENTAL_ENGINE -void ssl_init_Engine(server_rec *s, apr_pool_t *p) -{ - SSLModConfigRec *mc = myModConfig(s); - ENGINE *e; - - if (mc->szCryptoDevice) { - if (!(e = ENGINE_by_id(mc->szCryptoDevice))) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Init: Failed to load Crypto Device API `%s'", - mc->szCryptoDevice); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - if (strEQ(mc->szCryptoDevice, "chil")) { - ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0); - } - - if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Init: Failed to enable Crypto Device API `%s'", - mc->szCryptoDevice); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - ENGINE_free(e); - } -} -#endif - -static void ssl_init_server_check(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - /* - * check for important parameters and the - * possibility that the user forgot to set them. - */ - if (!mctx->pks->cert_files[0]) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "No SSL Certificate set [hint: SSLCertificateFile]"); - ssl_die(); - } - - /* - * Check for problematic re-initializations - */ - if (mctx->pks->certs[SSL_AIDX_RSA] || - mctx->pks->certs[SSL_AIDX_DSA]) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Illegal attempt to re-initialise SSL for server " - "(theoretically shouldn't happen!)"); - ssl_die(); - } -} - -static void ssl_init_ctx_protocol(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - SSL_CTX *ctx = NULL; - SSL_METHOD *method = NULL; - char *cp; - int protocol = mctx->protocol; - SSLSrvConfigRec *sc = mySrvConfig(s); - - /* - * Create the new per-server SSL context - */ - if (protocol == SSL_PROTOCOL_NONE) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "No SSL protocols available [hint: SSLProtocol]"); - ssl_die(); - } - - cp = apr_pstrcat(p, - (protocol & SSL_PROTOCOL_SSLV2 ? "SSLv2, " : ""), - (protocol & SSL_PROTOCOL_SSLV3 ? "SSLv3, " : ""), - (protocol & SSL_PROTOCOL_TLSV1 ? "TLSv1, " : ""), - NULL); - cp[strlen(cp)-2] = NUL; - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Creating new SSL context (protocols: %s)", cp); - - if (protocol == SSL_PROTOCOL_SSLV2) { - method = mctx->pkp ? - SSLv2_client_method() : /* proxy */ - SSLv2_server_method(); /* server */ - ctx = SSL_CTX_new(method); /* only SSLv2 is left */ - } - else { - method = mctx->pkp ? - SSLv23_client_method() : /* proxy */ - SSLv23_server_method(); /* server */ - ctx = SSL_CTX_new(method); /* be more flexible */ - } - - mctx->ssl_ctx = ctx; - - SSL_CTX_set_options(ctx, SSL_OP_ALL); - - if (!(protocol & SSL_PROTOCOL_SSLV2)) { - SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2); - } - - if (!(protocol & SSL_PROTOCOL_SSLV3)) { - SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3); - } - - if (!(protocol & SSL_PROTOCOL_TLSV1)) { - SSL_CTX_set_options(ctx, SSL_OP_NO_TLSv1); - } - -#ifdef SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION - if (sc->insecure_reneg == TRUE) { - SSL_CTX_set_options(ctx, SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION); - } -#endif - - SSL_CTX_set_app_data(ctx, s); - - /* - * Configure additional context ingredients - */ - SSL_CTX_set_options(ctx, SSL_OP_SINGLE_DH_USE); - -#ifdef SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION - /* - * Disallow a session from being resumed during a renegotiation, - * so that an acceptable cipher suite can be negotiated. - */ - SSL_CTX_set_options(ctx, SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); -#endif -} - -static void ssl_init_ctx_session_cache(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - SSL_CTX *ctx = mctx->ssl_ctx; - SSLModConfigRec *mc = myModConfig(s); - long cache_mode = SSL_SESS_CACHE_OFF; - - if (mc->nSessionCacheMode != SSL_SCMODE_NONE) { - /* SSL_SESS_CACHE_NO_INTERNAL will force OpenSSL - * to ignore process local-caching and - * to always get/set/delete sessions using mod_ssl's callbacks. - */ - cache_mode = SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL; - } - - SSL_CTX_set_session_cache_mode(ctx, cache_mode); - - SSL_CTX_sess_set_new_cb(ctx, ssl_callback_NewSessionCacheEntry); - SSL_CTX_sess_set_get_cb(ctx, ssl_callback_GetSessionCacheEntry); - SSL_CTX_sess_set_remove_cb(ctx, ssl_callback_DelSessionCacheEntry); -} - -static void ssl_init_ctx_callbacks(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - SSL_CTX *ctx = mctx->ssl_ctx; - - SSL_CTX_set_tmp_rsa_callback(ctx, ssl_callback_TmpRSA); - SSL_CTX_set_tmp_dh_callback(ctx, ssl_callback_TmpDH); - - SSL_CTX_set_info_callback(ctx, ssl_callback_Info); -} - -static void ssl_init_ctx_verify(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - SSL_CTX *ctx = mctx->ssl_ctx; - - int verify = SSL_VERIFY_NONE; - STACK_OF(X509_NAME) *ca_list; - - if (mctx->auth.verify_mode == SSL_CVERIFY_UNSET) { - mctx->auth.verify_mode = SSL_CVERIFY_NONE; - } - - if (mctx->auth.verify_depth == UNSET) { - mctx->auth.verify_depth = 1; - } - - /* - * Configure callbacks for SSL context - */ - if (mctx->auth.verify_mode == SSL_CVERIFY_REQUIRE) { - verify |= SSL_VERIFY_PEER_STRICT; - } - - if ((mctx->auth.verify_mode == SSL_CVERIFY_OPTIONAL) || - (mctx->auth.verify_mode == SSL_CVERIFY_OPTIONAL_NO_CA)) - { - verify |= SSL_VERIFY_PEER; - } - - SSL_CTX_set_verify(ctx, verify, ssl_callback_SSLVerify); - - /* - * Configure Client Authentication details - */ - if (mctx->auth.ca_cert_file || mctx->auth.ca_cert_path) { - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring client authentication"); - - if (!SSL_CTX_load_verify_locations(ctx, - MODSSL_PCHAR_CAST mctx->auth.ca_cert_file, - MODSSL_PCHAR_CAST mctx->auth.ca_cert_path)) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to configure verify locations " - "for client authentication"); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - ca_list = ssl_init_FindCAList(s, ptemp, - mctx->auth.ca_cert_file, - mctx->auth.ca_cert_path); - if (!ca_list) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to determine list of available " - "CA certificates for client authentication"); - ssl_die(); - } - - SSL_CTX_set_client_CA_list(ctx, (STACK *)ca_list); - } - - /* - * Give a warning when no CAs were configured but client authentication - * should take place. This cannot work. - */ - if (mctx->auth.verify_mode == SSL_CVERIFY_REQUIRE) { - ca_list = (STACK_OF(X509_NAME) *)SSL_CTX_get_client_CA_list(ctx); - - if (sk_X509_NAME_num(ca_list) == 0) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "Init: Oops, you want to request client " - "authentication, but no CAs are known for " - "verification!? [Hint: SSLCACertificate*]"); - } - } -} - -static void ssl_init_ctx_cipher_suite(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - SSL_CTX *ctx = mctx->ssl_ctx; - const char *suite = mctx->auth.cipher_suite; - - /* - * Configure SSL Cipher Suite - */ - if (!suite) { - return; - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring permitted SSL ciphers [%s]", - suite); - - if (!SSL_CTX_set_cipher_list(ctx, MODSSL_PCHAR_CAST suite)) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to configure permitted SSL ciphers"); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } -} - -static void ssl_init_ctx_crl(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - /* - * Configure Certificate Revocation List (CRL) Details - */ - - if (!(mctx->crl_file || mctx->crl_path)) { - return; - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring certificate revocation facility"); - - mctx->crl = - SSL_X509_STORE_create((char *)mctx->crl_file, - (char *)mctx->crl_path); - - if (!mctx->crl) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to configure X.509 CRL storage " - "for certificate revocation"); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } -} - -static void ssl_init_ctx_cert_chain(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - BOOL skip_first = FALSE; - int i, n; - const char *chain = mctx->cert_chain; - - /* - * Optionally configure extra server certificate chain certificates. - * This is usually done by OpenSSL automatically when one of the - * server cert issuers are found under SSLCACertificatePath or in - * SSLCACertificateFile. But because these are intended for client - * authentication it can conflict. For instance when you use a - * Global ID server certificate you've to send out the intermediate - * CA certificate, too. When you would just configure this with - * SSLCACertificateFile and also use client authentication mod_ssl - * would accept all clients also issued by this CA. Obviously this - * isn't what we want in this situation. So this feature here exists - * to allow one to explicity configure CA certificates which are - * used only for the server certificate chain. - */ - if (!chain) { - return; - } - - for (i = 0; (i < SSL_AIDX_MAX) && mctx->pks->cert_files[i]; i++) { - if (strEQ(mctx->pks->cert_files[i], chain)) { - skip_first = TRUE; - break; - } - } - - n = SSL_CTX_use_certificate_chain(mctx->ssl_ctx, - (char *)chain, - skip_first, NULL); - if (n < 0) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Failed to configure CA certificate chain!"); - ssl_die(); - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring server certificate chain " - "(%d CA certificate%s)", - n, n == 1 ? "" : "s"); -} - -static void ssl_init_ctx(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - ssl_init_ctx_protocol(s, p, ptemp, mctx); - - ssl_init_ctx_session_cache(s, p, ptemp, mctx); - - ssl_init_ctx_callbacks(s, p, ptemp, mctx); - - ssl_init_ctx_verify(s, p, ptemp, mctx); - - ssl_init_ctx_cipher_suite(s, p, ptemp, mctx); - - ssl_init_ctx_crl(s, p, ptemp, mctx); - - if (mctx->pks) { - /* XXX: proxy support? */ - ssl_init_ctx_cert_chain(s, p, ptemp, mctx); - } -} - -static int ssl_server_import_cert(server_rec *s, - modssl_ctx_t *mctx, - const char *id, - int idx) -{ - SSLModConfigRec *mc = myModConfig(s); - ssl_asn1_t *asn1; - MODSSL_D2I_X509_CONST unsigned char *ptr; - const char *type = ssl_asn1_keystr(idx); - X509 *cert; - - if (!(asn1 = ssl_asn1_table_get(mc->tPublicCert, id))) { - return FALSE; - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring %s server certificate", type); - - ptr = asn1->cpData; - if (!(cert = d2i_X509(NULL, &ptr, asn1->nData))) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to import %s server certificate", type); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - if (SSL_CTX_use_certificate(mctx->ssl_ctx, cert) <= 0) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to configure %s server certificate", type); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - mctx->pks->certs[idx] = cert; - - return TRUE; -} - -static int ssl_server_import_key(server_rec *s, - modssl_ctx_t *mctx, - const char *id, - int idx) -{ - SSLModConfigRec *mc = myModConfig(s); - ssl_asn1_t *asn1; - MODSSL_D2I_PrivateKey_CONST unsigned char *ptr; - const char *type = ssl_asn1_keystr(idx); - int pkey_type = (idx == SSL_AIDX_RSA) ? EVP_PKEY_RSA : EVP_PKEY_DSA; - EVP_PKEY *pkey; - - if (!(asn1 = ssl_asn1_table_get(mc->tPrivateKey, id))) { - return FALSE; - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "Configuring %s server private key", type); - - ptr = asn1->cpData; - if (!(pkey = d2i_PrivateKey(pkey_type, NULL, &ptr, asn1->nData))) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to import %s server private key", type); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - if (SSL_CTX_use_PrivateKey(mctx->ssl_ctx, pkey) <= 0) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Unable to configure %s server private key", type); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - ssl_die(); - } - - /* - * XXX: wonder if this is still needed, this is old todo doc. - * (see http://www.psy.uq.edu.au/~ftp/Crypto/ssleay/TODO.html) - */ - if ((pkey_type == EVP_PKEY_DSA) && mctx->pks->certs[idx]) { - EVP_PKEY *pubkey = X509_get_pubkey(mctx->pks->certs[idx]); - - if (pubkey && EVP_PKEY_missing_parameters(pubkey)) { - EVP_PKEY_copy_parameters(pubkey, pkey); - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Copying DSA parameters from private key to certificate"); - ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, s); - EVP_PKEY_free(pubkey); - } - } - - mctx->pks->keys[idx] = pkey; - - return TRUE; -} - -static void ssl_check_public_cert(server_rec *s, - apr_pool_t *ptemp, - X509 *cert, - int type) -{ - int is_ca, pathlen; - char *cn; - - if (!cert) { - return; - } - - /* - * Some information about the certificate(s) - */ - - if (SSL_X509_isSGC(cert)) { - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "%s server certificate enables " - "Server Gated Cryptography (SGC)", - ssl_asn1_keystr(type)); - } - - if (SSL_X509_getBC(cert, &is_ca, &pathlen)) { - if (is_ca) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "%s server certificate is a CA certificate " - "(BasicConstraints: CA == TRUE !?)", - ssl_asn1_keystr(type)); - } - - if (pathlen > 0) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "%s server certificate is not a leaf certificate " - "(BasicConstraints: pathlen == %d > 0 !?)", - ssl_asn1_keystr(type), pathlen); - } - } - - if (SSL_X509_getCN(ptemp, cert, &cn)) { - int fnm_flags = FNM_PERIOD|FNM_CASE_BLIND; - - if (apr_fnmatch_test(cn) && - (apr_fnmatch(cn, s->server_hostname, - fnm_flags) == FNM_NOMATCH)) - { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "%s server certificate wildcard CommonName (CN) `%s' " - "does NOT match server name!?", - ssl_asn1_keystr(type), cn); - } - else if (strNE(s->server_hostname, cn)) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "%s server certificate CommonName (CN) `%s' " - "does NOT match server name!?", - ssl_asn1_keystr(type), cn); - } - } -} - -static void ssl_init_server_certs(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - const char *rsa_id, *dsa_id; - const char *vhost_id = mctx->sc->vhost_id; - int i; - int have_rsa, have_dsa; - - rsa_id = ssl_asn1_table_keyfmt(ptemp, vhost_id, SSL_AIDX_RSA); - dsa_id = ssl_asn1_table_keyfmt(ptemp, vhost_id, SSL_AIDX_DSA); - - have_rsa = ssl_server_import_cert(s, mctx, rsa_id, SSL_AIDX_RSA); - have_dsa = ssl_server_import_cert(s, mctx, dsa_id, SSL_AIDX_DSA); - - if (!(have_rsa || have_dsa)) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Oops, no RSA or DSA server certificate found?!"); - ssl_die(); - } - - for (i = 0; i < SSL_AIDX_MAX; i++) { - ssl_check_public_cert(s, ptemp, mctx->pks->certs[i], i); - } - - have_rsa = ssl_server_import_key(s, mctx, rsa_id, SSL_AIDX_RSA); - have_dsa = ssl_server_import_key(s, mctx, dsa_id, SSL_AIDX_DSA); - - if (!(have_rsa || have_dsa)) { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, - "Oops, no RSA or DSA server private key found?!"); - ssl_die(); - } -} - -static void ssl_init_proxy_certs(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - modssl_ctx_t *mctx) -{ - int n, ncerts = 0; - STACK_OF(X509_INFO) *sk; - modssl_pk_proxy_t *pkp = mctx->pkp; - - SSL_CTX_set_client_cert_cb(mctx->ssl_ctx, - ssl_callback_proxy_cert); - - if (!(pkp->cert_file || pkp->cert_path)) { - return; - } - - sk = sk_X509_INFO_new_null(); - - if (pkp->cert_file) { - SSL_X509_INFO_load_file(ptemp, sk, pkp->cert_file); - } - - if (pkp->cert_path) { - SSL_X509_INFO_load_path(ptemp, sk, pkp->cert_path); - } - - if ((ncerts = sk_X509_INFO_num(sk)) <= 0) { - sk_X509_INFO_free(sk); - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s, - "no client certs found for SSL proxy"); - return; - } - - /* Check that all client certs have got certificates and private - * keys. */ - for (n = 0; n < ncerts; n++) { - X509_INFO *inf = sk_X509_INFO_value(sk, n); - - if (!inf->x509 || !inf->x_pkey) { - sk_X509_INFO_free(sk); - ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, s, - "incomplete client cert configured for SSL proxy " - "(missing or encrypted private key?)"); - ssl_die(); - return; - } - } - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "loaded %d client certs for SSL proxy", - ncerts); - pkp->certs = sk; -} - -static void ssl_init_proxy_ctx(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - SSLSrvConfigRec *sc) -{ - ssl_init_ctx(s, p, ptemp, sc->proxy); - - ssl_init_proxy_certs(s, p, ptemp, sc->proxy); -} - -static void ssl_init_server_ctx(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - SSLSrvConfigRec *sc) -{ - ssl_init_server_check(s, p, ptemp, sc->server); - - ssl_init_ctx(s, p, ptemp, sc->server); - - ssl_init_server_certs(s, p, ptemp, sc->server); -} - -/* - * Configure a particular server - */ -void ssl_init_ConfigureServer(server_rec *s, - apr_pool_t *p, - apr_pool_t *ptemp, - SSLSrvConfigRec *sc) -{ - if (sc->enabled) { - ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, - "Configuring server for SSL protocol"); - ssl_init_server_ctx(s, p, ptemp, sc); - } - - if (sc->proxy_enabled) { - ssl_init_proxy_ctx(s, p, ptemp, sc); - } -} - -void ssl_init_CheckServers(server_rec *base_server, apr_pool_t *p) -{ - server_rec *s, *ps; - SSLSrvConfigRec *sc; - apr_hash_t *table; - const char *key; - apr_ssize_t klen; - - BOOL conflict = FALSE; - - /* - * Give out warnings when a server has HTTPS configured - * for the HTTP port or vice versa - */ - for (s = base_server; s; s = s->next) { - sc = mySrvConfig(s); - - if (sc->enabled && (s->port == DEFAULT_HTTP_PORT)) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, - base_server, - "Init: (%s) You configured HTTPS(%d) " - "on the standard HTTP(%d) port!", - ssl_util_vhostid(p, s), - DEFAULT_HTTPS_PORT, DEFAULT_HTTP_PORT); - } - - if (!sc->enabled && (s->port == DEFAULT_HTTPS_PORT)) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, - base_server, - "Init: (%s) You configured HTTP(%d) " - "on the standard HTTPS(%d) port!", - ssl_util_vhostid(p, s), - DEFAULT_HTTP_PORT, DEFAULT_HTTPS_PORT); - } - } - - /* - * Give out warnings when more than one SSL-aware virtual server uses the - * same IP:port. This doesn't work because mod_ssl then will always use - * just the certificate/keys of one virtual host (which one cannot be said - * easily - but that doesn't matter here). - */ - table = apr_hash_make(p); - - for (s = base_server; s; s = s->next) { - sc = mySrvConfig(s); - - if (!(sc->enabled && s->addrs)) { - continue; - } - - key = apr_psprintf(p, "%pA:%u", - &s->addrs->host_addr, s->addrs->host_port); - klen = strlen(key); - - if ((ps = (server_rec *)apr_hash_get(table, key, klen))) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, - base_server, - "Init: SSL server IP/port conflict: " - "%s (%s:%d) vs. %s (%s:%d)", - ssl_util_vhostid(p, s), - (s->defn_name ? s->defn_name : "unknown"), - s->defn_line_number, - ssl_util_vhostid(p, ps), - (ps->defn_name ? ps->defn_name : "unknown"), - ps->defn_line_number); - conflict = TRUE; - continue; - } - - apr_hash_set(table, key, klen, s); - } - - if (conflict) { - ap_log_error(APLOG_MARK, APLOG_WARNING, 0, base_server, - "Init: You should not use name-based " - "virtual hosts in conjunction with SSL!!"); - } -} - -#ifdef SSLC_VERSION_NUMBER -static int ssl_init_FindCAList_X509NameCmp(char **a, char **b) -{ - return(X509_NAME_cmp((void*)*a, (void*)*b)); -} -#else -static int ssl_init_FindCAList_X509NameCmp(X509_NAME **a, X509_NAME **b) -{ - return(X509_NAME_cmp(*a, *b)); -} -#endif - -static void ssl_init_PushCAList(STACK_OF(X509_NAME) *ca_list, - server_rec *s, const char *file) -{ - int n; - STACK_OF(X509_NAME) *sk; - - sk = (STACK_OF(X509_NAME) *) - SSL_load_client_CA_file(MODSSL_PCHAR_CAST file); - - if (!sk) { - return; - } - - for (n = 0; n < sk_X509_NAME_num(sk); n++) { - char name_buf[256]; - X509_NAME *name = sk_X509_NAME_value(sk, n); - - ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, - "CA certificate: %s", - X509_NAME_oneline(name, name_buf, sizeof(name_buf))); - - /* - * note that SSL_load_client_CA_file() checks for duplicates, - * but since we call it multiple times when reading a directory - * we must also check for duplicates ourselves. - */ - - if (sk_X509_NAME_find(ca_list, name) < 0) { - /* this will be freed when ca_list is */ - sk_X509_NAME_push(ca_list, name); - } - else { - /* need to free this ourselves, else it will leak */ - X509_NAME_free(name); - } - } - - sk_X509_NAME_free(sk); -} - -STACK_OF(X509_NAME) *ssl_init_FindCAList(server_rec *s, - apr_pool_t *ptemp, - const char *ca_file, - const char *ca_path) -{ - STACK_OF(X509_NAME) *ca_list; - - /* - * Start with a empty stack/list where new - * entries get added in sorted order. - */ - ca_list = sk_X509_NAME_new(ssl_init_FindCAList_X509NameCmp); - - /* - * Process CA certificate bundle file - */ - if (ca_file) { - ssl_init_PushCAList(ca_list, s, ca_file); - } - - /* - * Process CA certificate path files - */ - if (ca_path) { - apr_dir_t *dir; - apr_finfo_t direntry; - apr_int32_t finfo_flags = APR_FINFO_TYPE|APR_FINFO_NAME; - apr_status_t rv; - - if ((rv = apr_dir_open(&dir, ca_path, ptemp)) != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_ERR, rv, s, - "Failed to open SSLCACertificatePath `%s'", - ca_path); - ssl_die(); - } - - while ((apr_dir_read(&direntry, finfo_flags, dir)) == APR_SUCCESS) { - const char *file; - if (direntry.filetype == APR_DIR) { - continue; /* don't try to load directories */ - } - file = apr_pstrcat(ptemp, ca_path, "/", direntry.name, NULL); - ssl_init_PushCAList(ca_list, s, file); - } - - apr_dir_close(dir); - } - - /* - * Cleanup - */ - sk_X509_NAME_set_cmp_func(ca_list, NULL); - - return ca_list; -} - -void ssl_init_Child(apr_pool_t *p, server_rec *s) -{ - SSLModConfigRec *mc = myModConfig(s); - mc->pid = getpid(); /* only call getpid() once per-process */ - - /* XXX: there should be an ap_srand() function */ - srand((unsigned int)time(NULL)); - - /* open the mutex lockfile */ - ssl_mutex_reinit(s, p); -} - -#define MODSSL_CFG_ITEM_FREE(func, item) \ - if (item) { \ - func(item); \ - item = NULL; \ - } - -static void ssl_init_ctx_cleanup(modssl_ctx_t *mctx) -{ - MODSSL_CFG_ITEM_FREE(X509_STORE_free, mctx->crl); - - MODSSL_CFG_ITEM_FREE(SSL_CTX_free, mctx->ssl_ctx); -} - -static void ssl_init_ctx_cleanup_proxy(modssl_ctx_t *mctx) -{ - ssl_init_ctx_cleanup(mctx); - - if (mctx->pkp->certs) { - sk_X509_INFO_pop_free(mctx->pkp->certs, X509_INFO_free); - } -} - -static void ssl_init_ctx_cleanup_server(modssl_ctx_t *mctx) -{ - int i; - - ssl_init_ctx_cleanup(mctx); - - for (i=0; i < SSL_AIDX_MAX; i++) { - MODSSL_CFG_ITEM_FREE(X509_free, - mctx->pks->certs[i]); - - MODSSL_CFG_ITEM_FREE(EVP_PKEY_free, - mctx->pks->keys[i]); - } -} - -apr_status_t ssl_init_ModuleKill(void *data) -{ - SSLSrvConfigRec *sc; - server_rec *base_server = (server_rec *)data; - server_rec *s; - - /* - * Drop the session cache and mutex - */ - ssl_scache_kill(base_server); - - /* - * Destroy the temporary keys and params - */ - ssl_tmp_keys_free(base_server); - - /* - * Free the non-pool allocated structures - * in the per-server configurations - */ - for (s = base_server; s; s = s->next) { - sc = mySrvConfig(s); - - ssl_init_ctx_cleanup_proxy(sc->proxy); - - ssl_init_ctx_cleanup_server(sc->server); - } - - /* - * Try to kill the internals of the SSL library. - */ - ERR_remove_state(0); - EVP_cleanup(); - - return APR_SUCCESS; -} - |