| /* |
| * Wininet - networking layer. Uses unix sockets or OpenSSL. |
| * |
| * Copyright 2002 TransGaming Technologies Inc. |
| * |
| * David Hammerton |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #define NONAMELESSUNION |
| |
| #if defined(__MINGW32__) || defined (_MSC_VER) |
| #include <ws2tcpip.h> |
| #endif |
| |
| #include <sys/types.h> |
| #ifdef HAVE_POLL_H |
| #include <poll.h> |
| #endif |
| #ifdef HAVE_SYS_POLL_H |
| # include <sys/poll.h> |
| #endif |
| #ifdef HAVE_SYS_TIME_H |
| # include <sys/time.h> |
| #endif |
| #ifdef HAVE_SYS_SOCKET_H |
| # include <sys/socket.h> |
| #endif |
| #ifdef HAVE_SYS_FILIO_H |
| # include <sys/filio.h> |
| #endif |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #ifdef HAVE_SYS_IOCTL_H |
| # include <sys/ioctl.h> |
| #endif |
| #include <time.h> |
| #ifdef HAVE_NETDB_H |
| # include <netdb.h> |
| #endif |
| #ifdef HAVE_NETINET_IN_H |
| # include <netinet/in.h> |
| #endif |
| #ifdef HAVE_NETINET_TCP_H |
| # include <netinet/tcp.h> |
| #endif |
| #ifdef HAVE_OPENSSL_SSL_H |
| # include <openssl/ssl.h> |
| # include <openssl/opensslv.h> |
| #undef FAR |
| #undef DSA |
| #endif |
| |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <assert.h> |
| |
| #include "wine/library.h" |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wininet.h" |
| #include "winerror.h" |
| |
| #include "wine/debug.h" |
| #include "internet.h" |
| |
| /* To avoid conflicts with the Unix socket headers. we only need it for |
| * the error codes anyway. */ |
| #define USE_WS_PREFIX |
| #include "winsock2.h" |
| |
| #define RESPONSE_TIMEOUT 30 /* FROM internet.c */ |
| |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(wininet); |
| |
| /* FIXME!!!!!! |
| * This should use winsock - To use winsock the functions will have to change a bit |
| * as they are designed for unix sockets. |
| * SSL stuff should use crypt32.dll |
| */ |
| |
| #ifdef SONAME_LIBSSL |
| |
| #include <openssl/err.h> |
| |
| static void *OpenSSL_ssl_handle; |
| static void *OpenSSL_crypto_handle; |
| |
| #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER > 0x10000000) |
| static const SSL_METHOD *meth; |
| #else |
| static SSL_METHOD *meth; |
| #endif |
| static SSL_CTX *ctx; |
| static int error_idx; |
| static int conn_idx; |
| |
| #define MAKE_FUNCPTR(f) static typeof(f) * p##f |
| |
| /* OpenSSL functions that we use */ |
| MAKE_FUNCPTR(SSL_library_init); |
| MAKE_FUNCPTR(SSL_load_error_strings); |
| MAKE_FUNCPTR(SSLv23_method); |
| MAKE_FUNCPTR(SSL_CTX_free); |
| MAKE_FUNCPTR(SSL_CTX_new); |
| MAKE_FUNCPTR(SSL_new); |
| MAKE_FUNCPTR(SSL_free); |
| MAKE_FUNCPTR(SSL_set_fd); |
| MAKE_FUNCPTR(SSL_connect); |
| MAKE_FUNCPTR(SSL_shutdown); |
| MAKE_FUNCPTR(SSL_write); |
| MAKE_FUNCPTR(SSL_read); |
| MAKE_FUNCPTR(SSL_pending); |
| MAKE_FUNCPTR(SSL_get_error); |
| MAKE_FUNCPTR(SSL_get_ex_new_index); |
| MAKE_FUNCPTR(SSL_get_ex_data); |
| MAKE_FUNCPTR(SSL_set_ex_data); |
| MAKE_FUNCPTR(SSL_get_ex_data_X509_STORE_CTX_idx); |
| MAKE_FUNCPTR(SSL_get_peer_certificate); |
| MAKE_FUNCPTR(SSL_CTX_get_timeout); |
| MAKE_FUNCPTR(SSL_CTX_set_timeout); |
| MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths); |
| MAKE_FUNCPTR(SSL_CTX_set_verify); |
| MAKE_FUNCPTR(SSL_get_current_cipher); |
| MAKE_FUNCPTR(SSL_CIPHER_get_bits); |
| |
| /* OpenSSL's libcrypto functions that we use */ |
| MAKE_FUNCPTR(BIO_new_fp); |
| MAKE_FUNCPTR(CRYPTO_num_locks); |
| MAKE_FUNCPTR(CRYPTO_set_id_callback); |
| MAKE_FUNCPTR(CRYPTO_set_locking_callback); |
| MAKE_FUNCPTR(ERR_free_strings); |
| MAKE_FUNCPTR(ERR_get_error); |
| MAKE_FUNCPTR(ERR_error_string); |
| MAKE_FUNCPTR(X509_STORE_CTX_get_ex_data); |
| MAKE_FUNCPTR(X509_STORE_CTX_get_chain); |
| MAKE_FUNCPTR(i2d_X509); |
| MAKE_FUNCPTR(sk_num); |
| MAKE_FUNCPTR(sk_value); |
| #undef MAKE_FUNCPTR |
| |
| static CRITICAL_SECTION *ssl_locks; |
| static unsigned int num_ssl_locks; |
| |
| static unsigned long ssl_thread_id(void) |
| { |
| return GetCurrentThreadId(); |
| } |
| |
| static void ssl_lock_callback(int mode, int type, const char *file, int line) |
| { |
| if (mode & CRYPTO_LOCK) |
| EnterCriticalSection(&ssl_locks[type]); |
| else |
| LeaveCriticalSection(&ssl_locks[type]); |
| } |
| |
| static PCCERT_CONTEXT X509_to_cert_context(X509 *cert) |
| { |
| unsigned char* buffer,*p; |
| INT len; |
| BOOL malloced = FALSE; |
| PCCERT_CONTEXT ret; |
| |
| p = NULL; |
| len = pi2d_X509(cert,&p); |
| /* |
| * SSL 0.9.7 and above malloc the buffer if it is null. |
| * however earlier version do not and so we would need to alloc the buffer. |
| * |
| * see the i2d_X509 man page for more details. |
| */ |
| if (!p) |
| { |
| buffer = heap_alloc(len); |
| p = buffer; |
| len = pi2d_X509(cert,&p); |
| } |
| else |
| { |
| buffer = p; |
| malloced = TRUE; |
| } |
| |
| ret = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len); |
| |
| if (malloced) |
| free(buffer); |
| else |
| heap_free(buffer); |
| |
| return ret; |
| } |
| |
| static DWORD netconn_verify_cert(netconn_t *conn, PCCERT_CONTEXT cert, HCERTSTORE store) |
| { |
| BOOL ret; |
| CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } }; |
| PCCERT_CHAIN_CONTEXT chain; |
| char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH; |
| char *server_auth[] = { oid_server_auth }; |
| DWORD err = ERROR_SUCCESS, chainFlags = 0, errors; |
| |
| static const DWORD supportedErrors = |
| CERT_TRUST_IS_NOT_TIME_VALID | |
| CERT_TRUST_IS_UNTRUSTED_ROOT | |
| CERT_TRUST_IS_PARTIAL_CHAIN | |
| CERT_TRUST_IS_OFFLINE_REVOCATION | |
| CERT_TRUST_REVOCATION_STATUS_UNKNOWN | |
| CERT_TRUST_IS_REVOKED | |
| CERT_TRUST_IS_NOT_VALID_FOR_USAGE; |
| |
| TRACE("verifying %s\n", debugstr_w(conn->server->name)); |
| |
| chainPara.RequestedUsage.Usage.cUsageIdentifier = 1; |
| chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth; |
| if (!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION)) |
| chainFlags |= CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT; |
| |
| if (!(ret = CertGetCertificateChain(NULL, cert, NULL, store, &chainPara, chainFlags, NULL, &chain))) { |
| TRACE("failed\n"); |
| return GetLastError(); |
| } |
| |
| errors = chain->TrustStatus.dwErrorStatus; |
| |
| do { |
| /* This seems strange, but that's what tests show */ |
| if(errors & (CERT_TRUST_IS_PARTIAL_CHAIN|CERT_TRUST_IS_OFFLINE_REVOCATION)) { |
| WARN("ERROR_INTERNET_SEC_CERT_REV_FAILED\n"); |
| err = ERROR_INTERNET_SEC_CERT_REV_FAILED; |
| if(conn->mask_errors) |
| conn->security_flags |= _SECURITY_FLAG_CERT_REV_FAILED; |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION)) |
| break; |
| } |
| |
| if (chain->TrustStatus.dwErrorStatus & ~supportedErrors) { |
| WARN("error status %x\n", chain->TrustStatus.dwErrorStatus & ~supportedErrors); |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT; |
| errors &= supportedErrors; |
| if(!conn->mask_errors) |
| break; |
| WARN("unknown error flags\n"); |
| } |
| |
| if(errors & CERT_TRUST_IS_NOT_TIME_VALID) { |
| WARN("CERT_TRUST_IS_NOT_TIME_VALID\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_DATE_INVALID; |
| if(!conn->mask_errors) |
| break; |
| conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_DATE; |
| } |
| errors &= ~CERT_TRUST_IS_NOT_TIME_VALID; |
| } |
| |
| if(errors & CERT_TRUST_IS_UNTRUSTED_ROOT) { |
| WARN("CERT_TRUST_IS_UNTRUSTED_ROOT\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_INVALID_CA; |
| if(!conn->mask_errors) |
| break; |
| conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_CA; |
| } |
| errors &= ~CERT_TRUST_IS_UNTRUSTED_ROOT; |
| } |
| |
| if(errors & CERT_TRUST_IS_PARTIAL_CHAIN) { |
| WARN("CERT_TRUST_IS_PARTIAL_CHAIN\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_INVALID_CA; |
| if(!conn->mask_errors) |
| break; |
| conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_CA; |
| } |
| errors &= ~CERT_TRUST_IS_PARTIAL_CHAIN; |
| } |
| |
| if(errors & (CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN)) { |
| WARN("CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_NO_REV; |
| if(!conn->mask_errors) |
| break; |
| conn->security_flags |= _SECURITY_FLAG_CERT_REV_FAILED; |
| } |
| errors &= ~(CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN); |
| } |
| |
| if(errors & CERT_TRUST_IS_REVOKED) { |
| WARN("CERT_TRUST_IS_REVOKED\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_REVOKED; |
| if(!conn->mask_errors) |
| break; |
| WARN("TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN, unknown error flags\n"); |
| } |
| errors &= ~CERT_TRUST_IS_REVOKED; |
| } |
| |
| if(errors & CERT_TRUST_IS_NOT_VALID_FOR_USAGE) { |
| WARN("CERT_TRUST_IS_NOT_VALID_FOR_USAGE\n"); |
| if(!(conn->security_flags & SECURITY_FLAG_IGNORE_WRONG_USAGE)) { |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT; |
| if(!conn->mask_errors) |
| break; |
| WARN("CERT_TRUST_IS_NOT_VALID_FOR_USAGE, unknown error flags\n"); |
| } |
| errors &= ~CERT_TRUST_IS_NOT_VALID_FOR_USAGE; |
| } |
| |
| if(err == ERROR_INTERNET_SEC_CERT_REV_FAILED) { |
| assert(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION); |
| err = ERROR_SUCCESS; |
| } |
| }while(0); |
| |
| if(!err || conn->mask_errors) { |
| CERT_CHAIN_POLICY_PARA policyPara; |
| SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara; |
| CERT_CHAIN_POLICY_STATUS policyStatus; |
| CERT_CHAIN_CONTEXT chainCopy; |
| |
| /* Clear chain->TrustStatus.dwErrorStatus so |
| * CertVerifyCertificateChainPolicy will verify additional checks |
| * rather than stopping with an existing, ignored error. |
| */ |
| memcpy(&chainCopy, chain, sizeof(chainCopy)); |
| chainCopy.TrustStatus.dwErrorStatus = 0; |
| sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara); |
| sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER; |
| sslExtraPolicyPara.pwszServerName = conn->server->name; |
| sslExtraPolicyPara.fdwChecks = conn->security_flags; |
| policyPara.cbSize = sizeof(policyPara); |
| policyPara.dwFlags = 0; |
| policyPara.pvExtraPolicyPara = &sslExtraPolicyPara; |
| ret = CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_SSL, |
| &chainCopy, &policyPara, &policyStatus); |
| /* Any error in the policy status indicates that the |
| * policy couldn't be verified. |
| */ |
| if(ret) { |
| if(policyStatus.dwError == CERT_E_CN_NO_MATCH) { |
| WARN("CERT_E_CN_NO_MATCH\n"); |
| if(conn->mask_errors) |
| conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_CN; |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_CN_INVALID; |
| }else if(policyStatus.dwError) { |
| WARN("policyStatus.dwError %x\n", policyStatus.dwError); |
| if(conn->mask_errors) |
| WARN("unknown error flags for policy status %x\n", policyStatus.dwError); |
| err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT; |
| } |
| }else { |
| err = GetLastError(); |
| } |
| } |
| |
| if(err) { |
| WARN("failed %u\n", err); |
| CertFreeCertificateChain(chain); |
| if(conn->server->cert_chain) { |
| CertFreeCertificateChain(conn->server->cert_chain); |
| conn->server->cert_chain = NULL; |
| } |
| if(conn->mask_errors) |
| conn->server->security_flags |= conn->security_flags & _SECURITY_ERROR_FLAGS_MASK; |
| return err; |
| } |
| |
| /* FIXME: Reuse cached chain */ |
| if(conn->server->cert_chain) |
| CertFreeCertificateChain(chain); |
| else |
| conn->server->cert_chain = chain; |
| return ERROR_SUCCESS; |
| } |
| |
| static int netconn_secure_verify(int preverify_ok, X509_STORE_CTX *ctx) |
| { |
| SSL *ssl; |
| BOOL ret = FALSE; |
| HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, |
| CERT_STORE_CREATE_NEW_FLAG, NULL); |
| netconn_t *conn; |
| |
| ssl = pX509_STORE_CTX_get_ex_data(ctx, |
| pSSL_get_ex_data_X509_STORE_CTX_idx()); |
| conn = pSSL_get_ex_data(ssl, conn_idx); |
| if (store) |
| { |
| X509 *cert; |
| int i; |
| PCCERT_CONTEXT endCert = NULL; |
| struct stack_st *chain = (struct stack_st *)pX509_STORE_CTX_get_chain( ctx ); |
| |
| ret = TRUE; |
| for (i = 0; ret && i < psk_num(chain); i++) |
| { |
| PCCERT_CONTEXT context; |
| |
| cert = (X509 *)psk_value(chain, i); |
| if ((context = X509_to_cert_context(cert))) |
| { |
| ret = CertAddCertificateContextToStore(store, context, |
| CERT_STORE_ADD_ALWAYS, i ? NULL : &endCert); |
| CertFreeCertificateContext(context); |
| } |
| } |
| if (!endCert) ret = FALSE; |
| if (ret) |
| { |
| DWORD_PTR err = netconn_verify_cert(conn, endCert, store); |
| |
| if (err) |
| { |
| pSSL_set_ex_data(ssl, error_idx, (void *)err); |
| ret = FALSE; |
| } |
| } |
| CertFreeCertificateContext(endCert); |
| CertCloseStore(store, 0); |
| } |
| return ret; |
| } |
| |
| #endif |
| |
| static CRITICAL_SECTION init_ssl_cs; |
| static CRITICAL_SECTION_DEBUG init_ssl_cs_debug = |
| { |
| 0, 0, &init_ssl_cs, |
| { &init_ssl_cs_debug.ProcessLocksList, |
| &init_ssl_cs_debug.ProcessLocksList }, |
| 0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") } |
| }; |
| static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 }; |
| |
| static DWORD init_openssl(void) |
| { |
| #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO) |
| int i; |
| |
| if(OpenSSL_ssl_handle) |
| return ERROR_SUCCESS; |
| |
| OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0); |
| if(!OpenSSL_ssl_handle) { |
| ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL); |
| return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| } |
| |
| OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0); |
| if(!OpenSSL_crypto_handle) { |
| ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO); |
| return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| } |
| |
| /* mmm nice ugly macroness */ |
| #define DYNSSL(x) \ |
| p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \ |
| if (!p##x) { \ |
| ERR("failed to load symbol %s\n", #x); \ |
| return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; \ |
| } |
| |
| DYNSSL(SSL_library_init); |
| DYNSSL(SSL_load_error_strings); |
| DYNSSL(SSLv23_method); |
| DYNSSL(SSL_CTX_free); |
| DYNSSL(SSL_CTX_new); |
| DYNSSL(SSL_new); |
| DYNSSL(SSL_free); |
| DYNSSL(SSL_set_fd); |
| DYNSSL(SSL_connect); |
| DYNSSL(SSL_shutdown); |
| DYNSSL(SSL_write); |
| DYNSSL(SSL_read); |
| DYNSSL(SSL_pending); |
| DYNSSL(SSL_get_error); |
| DYNSSL(SSL_get_ex_new_index); |
| DYNSSL(SSL_get_ex_data); |
| DYNSSL(SSL_set_ex_data); |
| DYNSSL(SSL_get_ex_data_X509_STORE_CTX_idx); |
| DYNSSL(SSL_get_peer_certificate); |
| DYNSSL(SSL_CTX_get_timeout); |
| DYNSSL(SSL_CTX_set_timeout); |
| DYNSSL(SSL_CTX_set_default_verify_paths); |
| DYNSSL(SSL_CTX_set_verify); |
| DYNSSL(SSL_get_current_cipher); |
| DYNSSL(SSL_CIPHER_get_bits); |
| #undef DYNSSL |
| |
| #define DYNCRYPTO(x) \ |
| p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \ |
| if (!p##x) { \ |
| ERR("failed to load symbol %s\n", #x); \ |
| return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; \ |
| } |
| |
| DYNCRYPTO(BIO_new_fp); |
| DYNCRYPTO(CRYPTO_num_locks); |
| DYNCRYPTO(CRYPTO_set_id_callback); |
| DYNCRYPTO(CRYPTO_set_locking_callback); |
| DYNCRYPTO(ERR_free_strings); |
| DYNCRYPTO(ERR_get_error); |
| DYNCRYPTO(ERR_error_string); |
| DYNCRYPTO(X509_STORE_CTX_get_ex_data); |
| DYNCRYPTO(X509_STORE_CTX_get_chain); |
| DYNCRYPTO(i2d_X509); |
| DYNCRYPTO(sk_num); |
| DYNCRYPTO(sk_value); |
| #undef DYNCRYPTO |
| |
| pSSL_library_init(); |
| pSSL_load_error_strings(); |
| pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */ |
| |
| meth = pSSLv23_method(); |
| ctx = pSSL_CTX_new(meth); |
| if(!pSSL_CTX_set_default_verify_paths(ctx)) { |
| ERR("SSL_CTX_set_default_verify_paths failed: %s\n", |
| pERR_error_string(pERR_get_error(), 0)); |
| return ERROR_OUTOFMEMORY; |
| } |
| |
| error_idx = pSSL_get_ex_new_index(0, (void *)"error index", NULL, NULL, NULL); |
| if(error_idx == -1) { |
| ERR("SSL_get_ex_new_index failed; %s\n", pERR_error_string(pERR_get_error(), 0)); |
| return ERROR_OUTOFMEMORY; |
| } |
| |
| conn_idx = pSSL_get_ex_new_index(0, (void *)"netconn index", NULL, NULL, NULL); |
| if(conn_idx == -1) { |
| ERR("SSL_get_ex_new_index failed; %s\n", pERR_error_string(pERR_get_error(), 0)); |
| return ERROR_OUTOFMEMORY; |
| } |
| |
| pSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, netconn_secure_verify); |
| |
| pCRYPTO_set_id_callback(ssl_thread_id); |
| num_ssl_locks = pCRYPTO_num_locks(); |
| ssl_locks = heap_alloc(num_ssl_locks * sizeof(CRITICAL_SECTION)); |
| if(!ssl_locks) |
| return ERROR_OUTOFMEMORY; |
| |
| for(i = 0; i < num_ssl_locks; i++) |
| { |
| InitializeCriticalSection(&ssl_locks[i]); |
| ssl_locks[i].DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ssl_locks"); |
| } |
| pCRYPTO_set_locking_callback(ssl_lock_callback); |
| |
| return ERROR_SUCCESS; |
| #else |
| FIXME("can't use SSL, not compiled in.\n"); |
| return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| #endif |
| } |
| |
| DWORD create_netconn(BOOL useSSL, server_t *server, DWORD security_flags, BOOL mask_errors, DWORD timeout, netconn_t **ret) |
| { |
| netconn_t *netconn; |
| int result, flag; |
| |
| if(useSSL) { |
| DWORD res; |
| |
| TRACE("using SSL connection\n"); |
| |
| EnterCriticalSection(&init_ssl_cs); |
| res = init_openssl(); |
| LeaveCriticalSection(&init_ssl_cs); |
| if(res != ERROR_SUCCESS) |
| return res; |
| } |
| |
| netconn = heap_alloc_zero(sizeof(*netconn)); |
| if(!netconn) |
| return ERROR_OUTOFMEMORY; |
| |
| netconn->useSSL = useSSL; |
| netconn->socketFD = -1; |
| netconn->security_flags = security_flags | server->security_flags; |
| netconn->mask_errors = mask_errors; |
| list_init(&netconn->pool_entry); |
| |
| assert(server->addr_len); |
| result = netconn->socketFD = socket(server->addr.ss_family, SOCK_STREAM, 0); |
| if(result != -1) { |
| flag = 1; |
| ioctlsocket(netconn->socketFD, FIONBIO, &flag); |
| result = connect(netconn->socketFD, (struct sockaddr*)&server->addr, server->addr_len); |
| if(result == -1) |
| { |
| if (sock_get_error(errno) == WSAEINPROGRESS) { |
| struct pollfd pfd; |
| int res; |
| |
| pfd.fd = netconn->socketFD; |
| pfd.events = POLLOUT; |
| res = poll(&pfd, 1, timeout); |
| if (!res) |
| { |
| closesocket(netconn->socketFD); |
| heap_free(netconn); |
| return ERROR_INTERNET_CANNOT_CONNECT; |
| } |
| else if (res > 0) |
| { |
| int err; |
| socklen_t len = sizeof(err); |
| if (!getsockopt(netconn->socketFD, SOL_SOCKET, SO_ERROR, &err, &len) && !err) |
| result = 0; |
| } |
| } |
| } |
| if(result == -1) |
| closesocket(netconn->socketFD); |
| else { |
| flag = 0; |
| ioctlsocket(netconn->socketFD, FIONBIO, &flag); |
| } |
| } |
| if(result == -1) { |
| heap_free(netconn); |
| return sock_get_error(errno); |
| } |
| |
| #ifdef TCP_NODELAY |
| flag = 1; |
| result = setsockopt(netconn->socketFD, IPPROTO_TCP, TCP_NODELAY, (void*)&flag, sizeof(flag)); |
| if(result < 0) |
| WARN("setsockopt(TCP_NODELAY) failed\n"); |
| #endif |
| |
| server_addref(server); |
| netconn->server = server; |
| |
| *ret = netconn; |
| return ERROR_SUCCESS; |
| } |
| |
| void free_netconn(netconn_t *netconn) |
| { |
| server_release(netconn->server); |
| |
| #ifdef SONAME_LIBSSL |
| if (netconn->ssl_s) { |
| pSSL_shutdown(netconn->ssl_s); |
| pSSL_free(netconn->ssl_s); |
| } |
| #endif |
| |
| closesocket(netconn->socketFD); |
| heap_free(netconn); |
| } |
| |
| void NETCON_unload(void) |
| { |
| #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO) |
| if (OpenSSL_crypto_handle) |
| { |
| pERR_free_strings(); |
| wine_dlclose(OpenSSL_crypto_handle, NULL, 0); |
| } |
| if (OpenSSL_ssl_handle) |
| { |
| if (ctx) |
| pSSL_CTX_free(ctx); |
| wine_dlclose(OpenSSL_ssl_handle, NULL, 0); |
| } |
| if (ssl_locks) |
| { |
| int i; |
| for (i = 0; i < num_ssl_locks; i++) |
| { |
| ssl_locks[i].DebugInfo->Spare[0] = 0; |
| DeleteCriticalSection(&ssl_locks[i]); |
| } |
| heap_free(ssl_locks); |
| } |
| #endif |
| } |
| |
| /* translate a unix error code into a winsock one */ |
| int sock_get_error( int err ) |
| { |
| #if !defined(__MINGW32__) && !defined (_MSC_VER) |
| switch (err) |
| { |
| case EINTR: return WSAEINTR; |
| case EBADF: return WSAEBADF; |
| case EPERM: |
| case EACCES: return WSAEACCES; |
| case EFAULT: return WSAEFAULT; |
| case EINVAL: return WSAEINVAL; |
| case EMFILE: return WSAEMFILE; |
| case EWOULDBLOCK: return WSAEWOULDBLOCK; |
| case EINPROGRESS: return WSAEINPROGRESS; |
| case EALREADY: return WSAEALREADY; |
| case ENOTSOCK: return WSAENOTSOCK; |
| case EDESTADDRREQ: return WSAEDESTADDRREQ; |
| case EMSGSIZE: return WSAEMSGSIZE; |
| case EPROTOTYPE: return WSAEPROTOTYPE; |
| case ENOPROTOOPT: return WSAENOPROTOOPT; |
| case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT; |
| case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT; |
| case EOPNOTSUPP: return WSAEOPNOTSUPP; |
| case EPFNOSUPPORT: return WSAEPFNOSUPPORT; |
| case EAFNOSUPPORT: return WSAEAFNOSUPPORT; |
| case EADDRINUSE: return WSAEADDRINUSE; |
| case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL; |
| case ENETDOWN: return WSAENETDOWN; |
| case ENETUNREACH: return WSAENETUNREACH; |
| case ENETRESET: return WSAENETRESET; |
| case ECONNABORTED: return WSAECONNABORTED; |
| case EPIPE: |
| case ECONNRESET: return WSAECONNRESET; |
| case ENOBUFS: return WSAENOBUFS; |
| case EISCONN: return WSAEISCONN; |
| case ENOTCONN: return WSAENOTCONN; |
| case ESHUTDOWN: return WSAESHUTDOWN; |
| case ETOOMANYREFS: return WSAETOOMANYREFS; |
| case ETIMEDOUT: return WSAETIMEDOUT; |
| case ECONNREFUSED: return WSAECONNREFUSED; |
| case ELOOP: return WSAELOOP; |
| case ENAMETOOLONG: return WSAENAMETOOLONG; |
| case EHOSTDOWN: return WSAEHOSTDOWN; |
| case EHOSTUNREACH: return WSAEHOSTUNREACH; |
| case ENOTEMPTY: return WSAENOTEMPTY; |
| #ifdef EPROCLIM |
| case EPROCLIM: return WSAEPROCLIM; |
| #endif |
| #ifdef EUSERS |
| case EUSERS: return WSAEUSERS; |
| #endif |
| #ifdef EDQUOT |
| case EDQUOT: return WSAEDQUOT; |
| #endif |
| #ifdef ESTALE |
| case ESTALE: return WSAESTALE; |
| #endif |
| #ifdef EREMOTE |
| case EREMOTE: return WSAEREMOTE; |
| #endif |
| default: errno=err; perror("sock_set_error"); return WSAEFAULT; |
| } |
| #endif |
| return err; |
| } |
| |
| /****************************************************************************** |
| * NETCON_secure_connect |
| * Initiates a secure connection over an existing plaintext connection. |
| */ |
| DWORD NETCON_secure_connect(netconn_t *connection) |
| { |
| DWORD res = ERROR_NOT_SUPPORTED; |
| #ifdef SONAME_LIBSSL |
| void *ssl_s; |
| int bits; |
| |
| /* can't connect if we are already connected */ |
| if (connection->ssl_s) |
| { |
| ERR("already connected\n"); |
| return ERROR_INTERNET_CANNOT_CONNECT; |
| } |
| |
| ssl_s = pSSL_new(ctx); |
| if (!ssl_s) |
| { |
| ERR("SSL_new failed: %s\n", |
| pERR_error_string(pERR_get_error(), 0)); |
| return ERROR_OUTOFMEMORY; |
| } |
| |
| if (!pSSL_set_fd(ssl_s, connection->socketFD)) |
| { |
| ERR("SSL_set_fd failed: %s\n", |
| pERR_error_string(pERR_get_error(), 0)); |
| res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| goto fail; |
| } |
| |
| if (!pSSL_set_ex_data(ssl_s, conn_idx, connection)) |
| { |
| ERR("SSL_set_ex_data failed: %s\n", |
| pERR_error_string(pERR_get_error(), 0)); |
| res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| goto fail; |
| } |
| if (pSSL_connect(ssl_s) <= 0) |
| { |
| res = (DWORD_PTR)pSSL_get_ex_data(ssl_s, error_idx); |
| if (!res) |
| res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR; |
| ERR("SSL_connect failed: %d\n", res); |
| goto fail; |
| } |
| |
| connection->ssl_s = ssl_s; |
| |
| bits = NETCON_GetCipherStrength(connection); |
| if (bits >= 128) |
| connection->security_flags |= SECURITY_FLAG_STRENGTH_STRONG; |
| else if (bits >= 56) |
| connection->security_flags |= SECURITY_FLAG_STRENGTH_MEDIUM; |
| else |
| connection->security_flags |= SECURITY_FLAG_STRENGTH_WEAK; |
| connection->security_flags |= SECURITY_FLAG_SECURE; |
| |
| if(connection->mask_errors) |
| connection->server->security_flags = connection->security_flags; |
| return ERROR_SUCCESS; |
| |
| fail: |
| if (ssl_s) |
| { |
| pSSL_shutdown(ssl_s); |
| pSSL_free(ssl_s); |
| } |
| #endif |
| return res; |
| } |
| |
| /****************************************************************************** |
| * NETCON_send |
| * Basically calls 'send()' unless we should use SSL |
| * number of chars send is put in *sent |
| */ |
| DWORD NETCON_send(netconn_t *connection, const void *msg, size_t len, int flags, |
| int *sent /* out */) |
| { |
| if (!connection->useSSL) |
| { |
| *sent = send(connection->socketFD, msg, len, flags); |
| if (*sent == -1) |
| return sock_get_error(errno); |
| return ERROR_SUCCESS; |
| } |
| else |
| { |
| #ifdef SONAME_LIBSSL |
| if(!connection->ssl_s) { |
| FIXME("not connected\n"); |
| return ERROR_NOT_SUPPORTED; |
| } |
| if (flags) |
| FIXME("SSL_write doesn't support any flags (%08x)\n", flags); |
| *sent = pSSL_write(connection->ssl_s, msg, len); |
| if (*sent < 1 && len) |
| return ERROR_INTERNET_CONNECTION_ABORTED; |
| return ERROR_SUCCESS; |
| #else |
| return ERROR_NOT_SUPPORTED; |
| #endif |
| } |
| } |
| |
| /****************************************************************************** |
| * NETCON_recv |
| * Basically calls 'recv()' unless we should use SSL |
| * number of chars received is put in *recvd |
| */ |
| DWORD NETCON_recv(netconn_t *connection, void *buf, size_t len, int flags, |
| int *recvd /* out */) |
| { |
| *recvd = 0; |
| if (!len) |
| return ERROR_SUCCESS; |
| if (!connection->useSSL) |
| { |
| *recvd = recv(connection->socketFD, buf, len, flags); |
| return *recvd == -1 ? sock_get_error(errno) : ERROR_SUCCESS; |
| } |
| else |
| { |
| #ifdef SONAME_LIBSSL |
| if(!connection->ssl_s) { |
| FIXME("not connected\n"); |
| return ERROR_NOT_SUPPORTED; |
| } |
| *recvd = pSSL_read(connection->ssl_s, buf, len); |
| |
| /* Check if EOF was received */ |
| if(!*recvd && (pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_ZERO_RETURN |
| || pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_SYSCALL)) |
| return ERROR_SUCCESS; |
| |
| return *recvd > 0 ? ERROR_SUCCESS : ERROR_INTERNET_CONNECTION_ABORTED; |
| #else |
| return ERROR_NOT_SUPPORTED; |
| #endif |
| } |
| } |
| |
| /****************************************************************************** |
| * NETCON_query_data_available |
| * Returns the number of bytes of peeked data plus the number of bytes of |
| * queued, but unread data. |
| */ |
| BOOL NETCON_query_data_available(netconn_t *connection, DWORD *available) |
| { |
| *available = 0; |
| |
| if (!connection->useSSL) |
| { |
| #ifdef FIONREAD |
| int unread; |
| int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread); |
| if (!retval) |
| { |
| TRACE("%d bytes of queued, but unread data\n", unread); |
| *available += unread; |
| } |
| #endif |
| } |
| else |
| { |
| #ifdef SONAME_LIBSSL |
| *available = connection->ssl_s ? pSSL_pending(connection->ssl_s) : 0; |
| #endif |
| } |
| return TRUE; |
| } |
| |
| BOOL NETCON_is_alive(netconn_t *netconn) |
| { |
| #ifdef MSG_DONTWAIT |
| ssize_t len; |
| BYTE b; |
| |
| len = recv(netconn->socketFD, &b, 1, MSG_PEEK|MSG_DONTWAIT); |
| return len == 1 || (len == -1 && errno == EWOULDBLOCK); |
| #elif defined(__MINGW32__) || defined(_MSC_VER) |
| ULONG mode; |
| int len; |
| char b; |
| |
| mode = 1; |
| if(!ioctlsocket(netconn->socketFD, FIONBIO, &mode)) |
| return FALSE; |
| |
| len = recv(netconn->socketFD, &b, 1, MSG_PEEK); |
| |
| mode = 0; |
| if(!ioctlsocket(netconn->socketFD, FIONBIO, &mode)) |
| return FALSE; |
| |
| return len == 1 || (len == -1 && errno == WSAEWOULDBLOCK); |
| #else |
| FIXME("not supported on this platform\n"); |
| return TRUE; |
| #endif |
| } |
| |
| LPCVOID NETCON_GetCert(netconn_t *connection) |
| { |
| #ifdef SONAME_LIBSSL |
| X509* cert; |
| LPCVOID r = NULL; |
| |
| if (!connection->ssl_s) |
| return NULL; |
| |
| cert = pSSL_get_peer_certificate(connection->ssl_s); |
| r = X509_to_cert_context(cert); |
| return r; |
| #else |
| return NULL; |
| #endif |
| } |
| |
| int NETCON_GetCipherStrength(netconn_t *connection) |
| { |
| #ifdef SONAME_LIBSSL |
| #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f) |
| const SSL_CIPHER *cipher; |
| #else |
| SSL_CIPHER *cipher; |
| #endif |
| int bits = 0; |
| |
| if (!connection->ssl_s) |
| return 0; |
| cipher = pSSL_get_current_cipher(connection->ssl_s); |
| if (!cipher) |
| return 0; |
| pSSL_CIPHER_get_bits(cipher, &bits); |
| return bits; |
| #else |
| return 0; |
| #endif |
| } |
| |
| DWORD NETCON_set_timeout(netconn_t *connection, BOOL send, DWORD value) |
| { |
| int result; |
| struct timeval tv; |
| |
| /* value is in milliseconds, convert to struct timeval */ |
| if (value == INFINITE) |
| { |
| tv.tv_sec = 0; |
| tv.tv_usec = 0; |
| } |
| else |
| { |
| tv.tv_sec = value / 1000; |
| tv.tv_usec = (value % 1000) * 1000; |
| } |
| result = setsockopt(connection->socketFD, SOL_SOCKET, |
| send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, |
| sizeof(tv)); |
| if (result == -1) |
| { |
| WARN("setsockopt failed (%s)\n", strerror(errno)); |
| return sock_get_error(errno); |
| } |
| return ERROR_SUCCESS; |
| } |
