/* 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. */ #ifndef SSL_PRIVATE_H #define SSL_PRIVATE_H /** * @file ssl_private.h * @brief Internal interfaces private to mod_ssl. * * @defgroup MOD_SSL_PRIVATE Private * @ingroup MOD_SSL * @{ */ /** Apache headers */ #include "httpd.h" #include "http_config.h" #include "http_core.h" #include "http_log.h" #include "http_main.h" #include "http_connection.h" #include "http_request.h" #include "http_protocol.h" #include "http_vhost.h" #include "util_script.h" #include "util_filter.h" #include "util_ebcdic.h" #include "util_mutex.h" #include "apr.h" #include "apr_strings.h" #define APR_WANT_STRFUNC #define APR_WANT_MEMFUNC #include "apr_want.h" #include "apr_tables.h" #include "apr_lib.h" #include "apr_fnmatch.h" #include "apr_strings.h" #include "apr_global_mutex.h" #include "apr_optional.h" #include "ap_socache.h" #include "mod_auth.h" /* The #ifdef macros are only defined AFTER including the above * therefore we cannot include these system files at the top :-( */ #ifdef APR_HAVE_STDLIB_H #include #endif #if APR_HAVE_SYS_TIME_H #include #endif #if APR_HAVE_UNISTD_H #include /* needed for STDIN_FILENO et.al., at least on FreeBSD */ #endif #ifndef FALSE #define FALSE 0 #endif #ifndef TRUE #define TRUE !FALSE #endif #ifndef BOOL #define BOOL unsigned int #endif #include "ap_expr.h" /* OpenSSL headers */ #include #include #include #include #include #include #include #include #include #include /* Avoid tripping over an engine build installed globally and detected * when the user points at an explicit non-engine flavor of OpenSSL */ #if defined(HAVE_OPENSSL_ENGINE_H) && defined(HAVE_ENGINE_INIT) #include #endif #if (OPENSSL_VERSION_NUMBER < 0x0090700f) #error mod_ssl requires OpenSSL 0.9.7 or later #endif /* ...shifting sands of OpenSSL... */ #if (OPENSSL_VERSION_NUMBER >= 0x0090707f) #define MODSSL_D2I_SSL_SESSION_CONST const #else #define MODSSL_D2I_SSL_SESSION_CONST #endif #if (OPENSSL_VERSION_NUMBER >= 0x00908000) #define HAVE_GENERATE_EX #define MODSSL_D2I_ASN1_type_bytes_CONST const #define MODSSL_D2I_PrivateKey_CONST const #define MODSSL_D2I_X509_CONST const #else #define MODSSL_D2I_ASN1_type_bytes_CONST #define MODSSL_D2I_PrivateKey_CONST #define MODSSL_D2I_X509_CONST #endif #if OPENSSL_VERSION_NUMBER >= 0x00908080 && !defined(OPENSSL_NO_OCSP) \ && !defined(OPENSSL_NO_TLSEXT) #define HAVE_OCSP_STAPLING #if (OPENSSL_VERSION_NUMBER < 0x10000000) #define sk_OPENSSL_STRING_pop sk_pop #endif #endif #if (OPENSSL_VERSION_NUMBER >= 0x009080a0) && defined(OPENSSL_FIPS) #define HAVE_FIPS #endif #if (OPENSSL_VERSION_NUMBER >= 0x10000000) #define MODSSL_SSL_CIPHER_CONST const #define MODSSL_SSL_METHOD_CONST const #else #define MODSSL_SSL_CIPHER_CONST #define MODSSL_SSL_METHOD_CONST /* ECC support came along in OpenSSL 1.0.0 */ #define OPENSSL_NO_EC #endif #ifndef PEM_F_DEF_CALLBACK #ifdef PEM_F_PEM_DEF_CALLBACK /** In OpenSSL 0.9.8 PEM_F_DEF_CALLBACK was renamed */ #define PEM_F_DEF_CALLBACK PEM_F_PEM_DEF_CALLBACK #endif #endif #ifndef OPENSSL_NO_TLSEXT #ifndef SSL_CTRL_SET_TLSEXT_HOSTNAME #define OPENSSL_NO_TLSEXT #endif #endif /* mod_ssl headers */ #include "ssl_util_ssl.h" APLOG_USE_MODULE(ssl); /* * Provide reasonable default for some defines */ #ifndef PFALSE #define PFALSE ((void *)FALSE) #endif #ifndef PTRUE #define PTRUE ((void *)TRUE) #endif #ifndef UNSET #define UNSET (-1) #endif #ifndef NUL #define NUL '\0' #endif #ifndef RAND_MAX #include #define RAND_MAX INT_MAX #endif /** * Provide reasonable defines for some types */ #ifndef UCHAR #define UCHAR unsigned char #endif /** * Provide useful shorthands */ #define strEQ(s1,s2) (strcmp(s1,s2) == 0) #define strNE(s1,s2) (strcmp(s1,s2) != 0) #define strEQn(s1,s2,n) (strncmp(s1,s2,n) == 0) #define strNEn(s1,s2,n) (strncmp(s1,s2,n) != 0) #define strcEQ(s1,s2) (strcasecmp(s1,s2) == 0) #define strcNE(s1,s2) (strcasecmp(s1,s2) != 0) #define strcEQn(s1,s2,n) (strncasecmp(s1,s2,n) == 0) #define strcNEn(s1,s2,n) (strncasecmp(s1,s2,n) != 0) #define strIsEmpty(s) (s == NULL || s[0] == NUL) #define myConnConfig(c) \ (SSLConnRec *)ap_get_module_config(c->conn_config, &ssl_module) #define myCtxConfig(sslconn, sc) (sslconn->is_proxy ? sc->proxy : sc->server) #define myConnConfigSet(c, val) \ ap_set_module_config(c->conn_config, &ssl_module, val) #define mySrvConfig(srv) (SSLSrvConfigRec *)ap_get_module_config(srv->module_config, &ssl_module) #define myDirConfig(req) (SSLDirConfigRec *)ap_get_module_config(req->per_dir_config, &ssl_module) #define myModConfig(srv) (mySrvConfig((srv)))->mc #define mySrvFromConn(c) (myConnConfig(c))->server #define mySrvConfigFromConn(c) mySrvConfig(mySrvFromConn(c)) #define myModConfigFromConn(c) myModConfig(mySrvFromConn(c)) #define myCtxVarSet(mc,num,val) mc->rCtx.pV##num = val #define myCtxVarGet(mc,num,type) (type)(mc->rCtx.pV##num) /** * Defaults for the configuration */ #ifndef SSL_SESSION_CACHE_TIMEOUT #define SSL_SESSION_CACHE_TIMEOUT 300 #endif /* Default setting for per-dir reneg buffer. */ #ifndef DEFAULT_RENEG_BUFFER_SIZE #define DEFAULT_RENEG_BUFFER_SIZE (128 * 1024) #endif /* Default for OCSP response validity */ #ifndef DEFAULT_OCSP_MAX_SKEW #define DEFAULT_OCSP_MAX_SKEW (60 * 5) #endif /* Default timeout for OCSP queries */ #ifndef DEFAULT_OCSP_TIMEOUT #define DEFAULT_OCSP_TIMEOUT 10 #endif /** * Define the certificate algorithm types */ typedef int ssl_algo_t; #define SSL_ALGO_UNKNOWN (0) #define SSL_ALGO_RSA (1<<0) #define SSL_ALGO_DSA (1<<1) #ifndef OPENSSL_NO_EC #define SSL_ALGO_ECC (1<<2) #define SSL_ALGO_ALL (SSL_ALGO_RSA|SSL_ALGO_DSA|SSL_ALGO_ECC) #else #define SSL_ALGO_ALL (SSL_ALGO_RSA|SSL_ALGO_DSA) #endif #define SSL_AIDX_RSA (0) #define SSL_AIDX_DSA (1) #ifndef OPENSSL_NO_EC #define SSL_AIDX_ECC (2) #define SSL_AIDX_MAX (3) #else #define SSL_AIDX_MAX (2) #endif /** * Define IDs for the temporary RSA keys and DH params */ #define SSL_TMP_KEY_RSA_512 (0) #define SSL_TMP_KEY_RSA_1024 (1) #define SSL_TMP_KEY_DH_512 (2) #define SSL_TMP_KEY_DH_1024 (3) #define SSL_TMP_KEY_MAX (4) /** * Define the SSL options */ #define SSL_OPT_NONE (0) #define SSL_OPT_RELSET (1<<0) #define SSL_OPT_STDENVVARS (1<<1) #define SSL_OPT_EXPORTCERTDATA (1<<3) #define SSL_OPT_FAKEBASICAUTH (1<<4) #define SSL_OPT_STRICTREQUIRE (1<<5) #define SSL_OPT_OPTRENEGOTIATE (1<<6) #define SSL_OPT_LEGACYDNFORMAT (1<<7) typedef int ssl_opt_t; /** * Define the SSL Protocol options */ #define SSL_PROTOCOL_NONE (0) #define SSL_PROTOCOL_SSLV2 (1<<0) #define SSL_PROTOCOL_SSLV3 (1<<1) #define SSL_PROTOCOL_TLSV1 (1<<2) #ifndef OPENSSL_NO_SSL2 #define SSL_PROTOCOL_ALL (SSL_PROTOCOL_SSLV2|SSL_PROTOCOL_SSLV3|SSL_PROTOCOL_TLSV1) #else #define SSL_PROTOCOL_ALL (SSL_PROTOCOL_SSLV3|SSL_PROTOCOL_TLSV1) #endif typedef int ssl_proto_t; /** * Define the SSL verify levels */ typedef enum { SSL_CVERIFY_UNSET = UNSET, SSL_CVERIFY_NONE = 0, SSL_CVERIFY_OPTIONAL = 1, SSL_CVERIFY_REQUIRE = 2, SSL_CVERIFY_OPTIONAL_NO_CA = 3 } ssl_verify_t; #define SSL_VERIFY_PEER_STRICT \ (SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT) #define ssl_verify_error_is_optional(errnum) \ ((errnum == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) \ || (errnum == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN) \ || (errnum == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY) \ || (errnum == X509_V_ERR_CERT_UNTRUSTED) \ || (errnum == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE)) /** * Define the SSL pass phrase dialog types */ typedef enum { SSL_PPTYPE_UNSET = UNSET, SSL_PPTYPE_BUILTIN = 0, SSL_PPTYPE_FILTER = 1, SSL_PPTYPE_PIPE = 2 } ssl_pphrase_t; /** * Define the Path Checking modes */ #define SSL_PCM_EXISTS 1 #define SSL_PCM_ISREG 2 #define SSL_PCM_ISDIR 4 #define SSL_PCM_ISNONZERO 8 typedef unsigned int ssl_pathcheck_t; /** * Define the SSL enabled state */ typedef enum { SSL_ENABLED_UNSET = UNSET, SSL_ENABLED_FALSE = 0, SSL_ENABLED_TRUE = 1, SSL_ENABLED_OPTIONAL = 3 } ssl_enabled_t; /** * Define the SSL requirement structure */ typedef struct { char *cpExpr; ap_expr_info_t *mpExpr; } ssl_require_t; /** * Define the SSL random number generator seeding source */ typedef enum { SSL_RSCTX_STARTUP = 1, SSL_RSCTX_CONNECT = 2 } ssl_rsctx_t; typedef enum { SSL_RSSRC_BUILTIN = 1, SSL_RSSRC_FILE = 2, SSL_RSSRC_EXEC = 3, SSL_RSSRC_EGD = 4 } ssl_rssrc_t; typedef struct { ssl_rsctx_t nCtx; ssl_rssrc_t nSrc; char *cpPath; int nBytes; } ssl_randseed_t; /** * Define the structure of an ASN.1 anything */ typedef struct { long int nData; unsigned char *cpData; apr_time_t source_mtime; } ssl_asn1_t; /** * Define the mod_ssl per-module configuration structure * (i.e. the global configuration for each httpd process) */ typedef enum { SSL_SHUTDOWN_TYPE_UNSET, SSL_SHUTDOWN_TYPE_STANDARD, SSL_SHUTDOWN_TYPE_UNCLEAN, SSL_SHUTDOWN_TYPE_ACCURATE } ssl_shutdown_type_e; typedef struct { SSL *ssl; const char *client_dn; X509 *client_cert; ssl_shutdown_type_e shutdown_type; const char *verify_info; const char *verify_error; int verify_depth; int is_proxy; int disabled; int non_ssl_request; /* Track the handshake/renegotiation state for the connection so * that all client-initiated renegotiations can be rejected, as a * partial fix for CVE-2009-3555. */ enum { RENEG_INIT = 0, /* Before initial handshake */ RENEG_REJECT, /* After initial handshake; any client-initiated * renegotiation should be rejected */ RENEG_ALLOW, /* A server-initated renegotiation is taking * place (as dictated by configuration) */ RENEG_ABORT /* Renegotiation initiated by client, abort the * connection */ } reneg_state; server_rec *server; } SSLConnRec; /* BIG FAT WARNING: SSLModConfigRec has unusual memory lifetime: it is * allocated out of the "process" pool and only a single such * structure is created and used for the lifetime of the process. * (The process pool is s->process->pool and is stored in the .pPool * field.) Most members of this structure are likewise allocated out * of the process pool, but notably sesscache and sesscache_context * are not. * * The structure is treated as mostly immutable after a single config * parse has completed; the post_config hook (ssl_init_Module) flips * the bFixed flag to true and subsequent invocations of the config * callbacks hence do nothing. * * This odd lifetime strategy is used so that encrypted private keys * can be decrypted once at startup and continue to be used across * subsequent server reloads where the interactive password prompt is * not possible. * It is really an ABI nightmare waiting to happen since DSOs are * reloaded across restarts, and nothing prevents the struct type * changing across such reloads, yet the cached structure will be * assumed to match regardless. * * This should really be fixed using a smaller structure which only * stores that which is absolutely necessary (the private keys, maybe * the random seed), and have that structure be strictly ABI-versioned * for safety. */ typedef struct { pid_t pid; apr_pool_t *pPool; BOOL bFixed; /* OpenSSL SSL_SESS_CACHE_* flags: */ long sesscache_mode; /* The configured provider, and associated private data * structure. */ const ap_socache_provider_t *sesscache; ap_socache_instance_t *sesscache_context; apr_global_mutex_t *pMutex; apr_array_header_t *aRandSeed; apr_hash_t *tVHostKeys; void *pTmpKeys[SSL_TMP_KEY_MAX]; /* Two hash tables of pointers to ssl_asn1_t structures. The * structures are used to store certificates and private keys * respectively, in raw DER format (serialized OpenSSL X509 and * PrivateKey structures). The tables are indexed by (vhost-id, * algorithm type) using the function ssl_asn1_table_keyfmt(); for * example the string "vhost.example.com:443:RSA". */ apr_hash_t *tPublicCert; apr_hash_t *tPrivateKey; #if defined(HAVE_OPENSSL_ENGINE_H) && defined(HAVE_ENGINE_INIT) const char *szCryptoDevice; #endif #ifdef HAVE_OCSP_STAPLING const ap_socache_provider_t *stapling_cache; ap_socache_instance_t *stapling_cache_context; apr_global_mutex_t *stapling_mutex; #endif struct { void *pV1, *pV2, *pV3, *pV4, *pV5, *pV6, *pV7, *pV8, *pV9, *pV10; } rCtx; } SSLModConfigRec; /** Structure representing configured filenames for certs and keys for * a given vhost, and the corresponding in-memory structures once the * files are parsed. */ typedef struct { /* Lists of configured certs and keys for this server; from index * 0 up to SSL_AIDX_MAX-1 or the first NULL pointer. Note that * these arrays are NOT indexed by algorithm type, they are simply * unordered lists. */ const char *cert_files[SSL_AIDX_MAX]; const char *key_files[SSL_AIDX_MAX]; /* Loaded certs and keys; these arrays ARE indexed by the * algorithm type, i.e. keys[SSL_AIDX_RSA] maps to the RSA * private key. */ X509 *certs[SSL_AIDX_MAX]; EVP_PKEY *keys[SSL_AIDX_MAX]; /** Certificates which specify the set of CA names which should be * sent in the CertificateRequest message: */ const char *ca_name_path; const char *ca_name_file; } modssl_pk_server_t; typedef struct { /** proxy can have any number of cert/key pairs */ const char *cert_file; const char *cert_path; const char *ca_cert_file; STACK_OF(X509_INFO) *certs; STACK_OF(X509_INFO) **ca_certs; /* ptr to array of ptrs */ } modssl_pk_proxy_t; /** stuff related to authentication that can also be per-dir */ typedef struct { /** known/trusted CAs */ const char *ca_cert_path; const char *ca_cert_file; const char *cipher_suite; /** for client or downstream server authentication */ int verify_depth; ssl_verify_t verify_mode; } modssl_auth_ctx_t; typedef struct SSLSrvConfigRec SSLSrvConfigRec; typedef struct { SSLSrvConfigRec *sc; /** pointer back to server config */ SSL_CTX *ssl_ctx; /** we are one or the other */ modssl_pk_server_t *pks; modssl_pk_proxy_t *pkp; ssl_proto_t protocol; /** config for handling encrypted keys */ ssl_pphrase_t pphrase_dialog_type; const char *pphrase_dialog_path; const char *cert_chain; const char *pkcs7; /** certificate revocation list */ const char *crl_path; const char *crl_file; X509_STORE *crl; #ifdef HAVE_OCSP_STAPLING /** OCSP stapling options */ BOOL stapling_enabled; long stapling_resptime_skew; long stapling_resp_maxage; int stapling_cache_timeout; BOOL stapling_return_errors; BOOL stapling_fake_trylater; int stapling_errcache_timeout; apr_interval_time_t stapling_responder_timeout; const char *stapling_force_url; #endif modssl_auth_ctx_t auth; BOOL ocsp_enabled; /* true if OCSP verification enabled */ BOOL ocsp_force_default; /* true if the default responder URL is * used regardless of per-cert URL */ const char *ocsp_responder; /* default responder URL */ long ocsp_resptime_skew; long ocsp_resp_maxage; apr_interval_time_t ocsp_responder_timeout; } modssl_ctx_t; struct SSLSrvConfigRec { SSLModConfigRec *mc; ssl_enabled_t enabled; BOOL proxy_enabled; const char *vhost_id; int vhost_id_len; int session_cache_timeout; BOOL cipher_server_pref; BOOL insecure_reneg; modssl_ctx_t *server; modssl_ctx_t *proxy; ssl_enabled_t proxy_ssl_check_peer_expire; ssl_enabled_t proxy_ssl_check_peer_cn; #ifndef OPENSSL_NO_TLSEXT ssl_enabled_t strict_sni_vhost_check; #endif #ifdef HAVE_FIPS BOOL fips; #endif }; /** * Define the mod_ssl per-directory configuration structure * (i.e. the local configuration for all <Directory> * and .htaccess contexts) */ typedef struct { BOOL bSSLRequired; apr_array_header_t *aRequirement; ssl_opt_t nOptions; ssl_opt_t nOptionsAdd; ssl_opt_t nOptionsDel; const char *szCipherSuite; ssl_verify_t nVerifyClient; int nVerifyDepth; const char *szCACertificatePath; const char *szCACertificateFile; const char *szUserName; apr_size_t nRenegBufferSize; } SSLDirConfigRec; /** * function prototypes */ /** API glue structures */ extern module AP_MODULE_DECLARE_DATA ssl_module; /** configuration handling */ SSLModConfigRec *ssl_config_global_create(server_rec *); void ssl_config_global_fix(SSLModConfigRec *); BOOL ssl_config_global_isfixed(SSLModConfigRec *); void *ssl_config_server_create(apr_pool_t *, server_rec *); void *ssl_config_server_merge(apr_pool_t *, void *, void *); void *ssl_config_perdir_create(apr_pool_t *, char *); void *ssl_config_perdir_merge(apr_pool_t *, void *, void *); const char *ssl_cmd_SSLPassPhraseDialog(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCryptoDevice(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLRandomSeed(cmd_parms *, void *, const char *, const char *, const char *); const char *ssl_cmd_SSLEngine(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCipherSuite(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCertificateFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCertificateKeyFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCertificateChainFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLPKCS7CertificateFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCACertificatePath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCACertificateFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCADNRequestPath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCADNRequestFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCARevocationPath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLCARevocationFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLHonorCipherOrder(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLVerifyClient(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLVerifyDepth(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLSessionCache(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLSessionCacheTimeout(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProtocol(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLOptions(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLRequireSSL(cmd_parms *, void *); const char *ssl_cmd_SSLRequire(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLUserName(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLRenegBufferSize(cmd_parms *cmd, void *dcfg, const char *arg); const char *ssl_cmd_SSLStrictSNIVHostCheck(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLInsecureRenegotiation(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLProxyEngine(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLProxyProtocol(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCipherSuite(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyVerify(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyVerifyDepth(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCACertificatePath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCACertificateFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCARevocationPath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCARevocationFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyMachineCertificatePath(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyMachineCertificateFile(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLProxyCheckPeerExpire(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLProxyCheckPeerCN(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLOCSPOverrideResponder(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLOCSPDefaultResponder(cmd_parms *cmd, void *dcfg, const char *arg); const char *ssl_cmd_SSLOCSPResponseTimeSkew(cmd_parms *cmd, void *dcfg, const char *arg); const char *ssl_cmd_SSLOCSPResponseMaxAge(cmd_parms *cmd, void *dcfg, const char *arg); const char *ssl_cmd_SSLOCSPResponderTimeout(cmd_parms *cmd, void *dcfg, const char *arg); const char *ssl_cmd_SSLOCSPEnable(cmd_parms *cmd, void *dcfg, int flag); const char *ssl_cmd_SSLFIPS(cmd_parms *cmd, void *dcfg, int flag); /** module initialization */ int ssl_init_Module(apr_pool_t *, apr_pool_t *, apr_pool_t *, server_rec *); void ssl_init_Engine(server_rec *, apr_pool_t *); void ssl_init_ConfigureServer(server_rec *, apr_pool_t *, apr_pool_t *, SSLSrvConfigRec *); void ssl_init_CheckServers(server_rec *, apr_pool_t *); STACK_OF(X509_NAME) *ssl_init_FindCAList(server_rec *, apr_pool_t *, const char *, const char *); void ssl_init_Child(apr_pool_t *, server_rec *); apr_status_t ssl_init_ModuleKill(void *data); /** Apache API hooks */ int ssl_hook_Auth(request_rec *); int ssl_hook_UserCheck(request_rec *); int ssl_hook_Access(request_rec *); int ssl_hook_Fixup(request_rec *); int ssl_hook_ReadReq(request_rec *); int ssl_hook_Upgrade(request_rec *); void ssl_hook_ConfigTest(apr_pool_t *pconf, server_rec *s); /** Apache authz provisders */ extern const authz_provider ssl_authz_provider_require_ssl; extern const authz_provider ssl_authz_provider_verify_client; /** OpenSSL callbacks */ RSA *ssl_callback_TmpRSA(SSL *, int, int); DH *ssl_callback_TmpDH(SSL *, int, int); #ifndef OPENSSL_NO_EC EC_KEY *ssl_callback_TmpECDH(SSL *, int, int); #endif int ssl_callback_SSLVerify(int, X509_STORE_CTX *); int ssl_callback_SSLVerify_CRL(int, X509_STORE_CTX *, conn_rec *); int ssl_callback_proxy_cert(SSL *ssl, X509 **x509, EVP_PKEY **pkey); int ssl_callback_NewSessionCacheEntry(SSL *, SSL_SESSION *); SSL_SESSION *ssl_callback_GetSessionCacheEntry(SSL *, unsigned char *, int, int *); void ssl_callback_DelSessionCacheEntry(SSL_CTX *, SSL_SESSION *); void ssl_callback_Info(const SSL *, int, int); #ifndef OPENSSL_NO_TLSEXT int ssl_callback_ServerNameIndication(SSL *, int *, modssl_ctx_t *); #endif /** Session Cache Support */ void ssl_scache_init(server_rec *, apr_pool_t *); void ssl_scache_status_register(apr_pool_t *p); void ssl_scache_kill(server_rec *); BOOL ssl_scache_store(server_rec *, UCHAR *, int, apr_time_t, SSL_SESSION *, apr_pool_t *); SSL_SESSION *ssl_scache_retrieve(server_rec *, UCHAR *, int, apr_pool_t *); void ssl_scache_remove(server_rec *, UCHAR *, int, apr_pool_t *); /** Proxy Support */ int ssl_proxy_enable(conn_rec *c); int ssl_engine_disable(conn_rec *c); /** OCSP Stapling Support */ #ifdef HAVE_OCSP_STAPLING const char *ssl_cmd_SSLStaplingCache(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLUseStapling(cmd_parms *, void *, int); const char *ssl_cmd_SSLStaplingResponseTimeSkew(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLStaplingResponseMaxAge(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLStaplingStandardCacheTimeout(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLStaplingErrorCacheTimeout(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLStaplingReturnResponderErrors(cmd_parms *, void *, int); const char *ssl_cmd_SSLStaplingFakeTryLater(cmd_parms *, void *, int); const char *ssl_cmd_SSLStaplingResponderTimeout(cmd_parms *, void *, const char *); const char *ssl_cmd_SSLStaplingForceURL(cmd_parms *, void *, const char *); void modssl_init_stapling(server_rec *, apr_pool_t *, apr_pool_t *, modssl_ctx_t *); void ssl_stapling_ex_init(void); int ssl_stapling_init_cert(server_rec *s, modssl_ctx_t *mctx, X509 *x); #endif /** I/O */ void ssl_io_filter_init(conn_rec *, request_rec *r, SSL *); void ssl_io_filter_register(apr_pool_t *); long ssl_io_data_cb(BIO *, int, const char *, int, long, long); /* ssl_io_buffer_fill fills the setaside buffering of the HTTP request * to allow an SSL renegotiation to take place. */ int ssl_io_buffer_fill(request_rec *r, apr_size_t maxlen); /** PRNG */ int ssl_rand_seed(server_rec *, apr_pool_t *, ssl_rsctx_t, char *); /** Utility Functions */ char *ssl_util_vhostid(apr_pool_t *, server_rec *); apr_file_t *ssl_util_ppopen(server_rec *, apr_pool_t *, const char *, const char * const *); void ssl_util_ppclose(server_rec *, apr_pool_t *, apr_file_t *); char *ssl_util_readfilter(server_rec *, apr_pool_t *, const char *, const char * const *); BOOL ssl_util_path_check(ssl_pathcheck_t, const char *, apr_pool_t *); ssl_algo_t ssl_util_algotypeof(X509 *, EVP_PKEY *); char *ssl_util_algotypestr(ssl_algo_t); void ssl_util_thread_setup(apr_pool_t *); int ssl_init_ssl_connection(conn_rec *c, request_rec *r); /** Pass Phrase Support */ void ssl_pphrase_Handle(server_rec *, apr_pool_t *); /** Diffie-Hellman Parameter Support */ DH *ssl_dh_GetTmpParam(int); DH *ssl_dh_GetParamFromFile(char *); unsigned char *ssl_asn1_table_set(apr_hash_t *table, const char *key, long int length); ssl_asn1_t *ssl_asn1_table_get(apr_hash_t *table, const char *key); void ssl_asn1_table_unset(apr_hash_t *table, const char *key); const char *ssl_asn1_keystr(int keytype); const char *ssl_asn1_table_keyfmt(apr_pool_t *p, const char *id, int keytype); STACK_OF(X509) *ssl_read_pkcs7(server_rec *s, const char *pkcs7); /** Mutex Support */ int ssl_mutex_init(server_rec *, apr_pool_t *); int ssl_mutex_reinit(server_rec *, apr_pool_t *); int ssl_mutex_on(server_rec *); int ssl_mutex_off(server_rec *); int ssl_stapling_mutex_reinit(server_rec *, apr_pool_t *); /* mutex type names for Mutex directive */ #define SSL_CACHE_MUTEX_TYPE "ssl-cache" #define SSL_STAPLING_MUTEX_TYPE "ssl-stapling" /** Logfile Support */ void ssl_die(void); void ssl_log_ssl_error(const char *, int, int, server_rec *); /* ssl_log_cxerror is a wrapper for ap_log_cerror which takes a * certificate as an additional argument and appends details of that * cert to the log message. All other arguments interpreted exactly * as ap_log_cerror. */ void ssl_log_cxerror(const char *file, int line, int level, apr_status_t rv, conn_rec *c, X509 *cert, const char *format, ...) __attribute__((format(printf,7,8))); #define SSLLOG_MARK __FILE__,__LINE__ /** Variables */ /* Register variables for the lifetime of the process pool 'p'. */ void ssl_var_register(apr_pool_t *p); char *ssl_var_lookup(apr_pool_t *, server_rec *, conn_rec *, request_rec *, char *); apr_array_header_t *ssl_ext_list(apr_pool_t *p, conn_rec *c, int peer, const char *extension); void ssl_var_log_config_register(apr_pool_t *p); /* Extract SSL_*_DN_* variables into table 't' from SSL object 'ssl', * allocating from 'p': */ void modssl_var_extract_dns(apr_table_t *t, SSL *ssl, apr_pool_t *p); #ifndef OPENSSL_NO_OCSP /* Perform OCSP validation of the current cert in the given context. * Returns non-zero on success or zero on failure. On failure, the * context error code is set. */ int modssl_verify_ocsp(X509_STORE_CTX *ctx, SSLSrvConfigRec *sc, server_rec *s, conn_rec *c, apr_pool_t *pool); /* OCSP helper interface; dispatches the given OCSP request to the * responder at the given URI. Returns the decoded OCSP response * object, or NULL on error (in which case, errors will have been * logged). Pool 'p' is used for temporary allocations. */ OCSP_RESPONSE *modssl_dispatch_ocsp_request(const apr_uri_t *uri, apr_interval_time_t timeout, OCSP_REQUEST *request, conn_rec *c, apr_pool_t *p); #endif #endif /* SSL_PRIVATE_H */ /** @} */