1025 lines
30 KiB
C
1025 lines
30 KiB
C
/*
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* Wininet - networking layer. Uses unix sockets or OpenSSL.
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*
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* Copyright 2002 TransGaming Technologies Inc.
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*
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* David Hammerton
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#define NONAMELESSUNION
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#if defined(__MINGW32__) || defined (_MSC_VER)
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#include <ws2tcpip.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_POLL_H
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#include <poll.h>
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#endif
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#ifdef HAVE_SYS_POLL_H
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# include <sys/poll.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#ifdef HAVE_SYS_FILIO_H
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# include <sys/filio.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#include <time.h>
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#ifdef HAVE_NETDB_H
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# include <netdb.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_NETINET_TCP_H
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# include <netinet/tcp.h>
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#endif
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#ifdef HAVE_OPENSSL_SSL_H
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# include <openssl/ssl.h>
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# include <openssl/opensslv.h>
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#undef FAR
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#undef DSA
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#endif
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <assert.h>
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#include "wine/library.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wininet.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "internet.h"
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/* To avoid conflicts with the Unix socket headers. we only need it for
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* the error codes anyway. */
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#define USE_WS_PREFIX
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#include "winsock2.h"
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#define RESPONSE_TIMEOUT 30 /* FROM internet.c */
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WINE_DEFAULT_DEBUG_CHANNEL(wininet);
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/* FIXME!!!!!!
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* This should use winsock - To use winsock the functions will have to change a bit
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* as they are designed for unix sockets.
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* SSL stuff should use crypt32.dll
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*/
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#ifdef SONAME_LIBSSL
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#include <openssl/err.h>
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static void *OpenSSL_ssl_handle;
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static void *OpenSSL_crypto_handle;
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#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER > 0x10000000)
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static const SSL_METHOD *meth;
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#else
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static SSL_METHOD *meth;
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#endif
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static SSL_CTX *ctx;
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static int error_idx;
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static int conn_idx;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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/* OpenSSL functions that we use */
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MAKE_FUNCPTR(SSL_library_init);
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MAKE_FUNCPTR(SSL_load_error_strings);
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MAKE_FUNCPTR(SSLv23_method);
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MAKE_FUNCPTR(SSL_CTX_free);
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MAKE_FUNCPTR(SSL_CTX_new);
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MAKE_FUNCPTR(SSL_new);
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MAKE_FUNCPTR(SSL_free);
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MAKE_FUNCPTR(SSL_set_fd);
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MAKE_FUNCPTR(SSL_connect);
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MAKE_FUNCPTR(SSL_shutdown);
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MAKE_FUNCPTR(SSL_write);
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MAKE_FUNCPTR(SSL_read);
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MAKE_FUNCPTR(SSL_pending);
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MAKE_FUNCPTR(SSL_get_error);
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MAKE_FUNCPTR(SSL_get_ex_new_index);
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MAKE_FUNCPTR(SSL_get_ex_data);
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MAKE_FUNCPTR(SSL_set_ex_data);
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MAKE_FUNCPTR(SSL_get_ex_data_X509_STORE_CTX_idx);
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MAKE_FUNCPTR(SSL_get_peer_certificate);
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MAKE_FUNCPTR(SSL_CTX_get_timeout);
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MAKE_FUNCPTR(SSL_CTX_set_timeout);
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MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
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MAKE_FUNCPTR(SSL_CTX_set_verify);
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MAKE_FUNCPTR(SSL_get_current_cipher);
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MAKE_FUNCPTR(SSL_CIPHER_get_bits);
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/* OpenSSL's libcrypto functions that we use */
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MAKE_FUNCPTR(BIO_new_fp);
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MAKE_FUNCPTR(CRYPTO_num_locks);
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MAKE_FUNCPTR(CRYPTO_set_id_callback);
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MAKE_FUNCPTR(CRYPTO_set_locking_callback);
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MAKE_FUNCPTR(ERR_free_strings);
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MAKE_FUNCPTR(ERR_get_error);
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MAKE_FUNCPTR(ERR_error_string);
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MAKE_FUNCPTR(X509_STORE_CTX_get_ex_data);
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MAKE_FUNCPTR(X509_STORE_CTX_get_chain);
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MAKE_FUNCPTR(i2d_X509);
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MAKE_FUNCPTR(sk_num);
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MAKE_FUNCPTR(sk_value);
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#undef MAKE_FUNCPTR
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static CRITICAL_SECTION *ssl_locks;
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static unsigned int num_ssl_locks;
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static unsigned long ssl_thread_id(void)
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{
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return GetCurrentThreadId();
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}
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static void ssl_lock_callback(int mode, int type, const char *file, int line)
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{
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if (mode & CRYPTO_LOCK)
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EnterCriticalSection(&ssl_locks[type]);
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else
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LeaveCriticalSection(&ssl_locks[type]);
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}
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static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
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{
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unsigned char* buffer,*p;
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INT len;
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BOOL malloced = FALSE;
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PCCERT_CONTEXT ret;
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p = NULL;
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len = pi2d_X509(cert,&p);
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/*
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* SSL 0.9.7 and above malloc the buffer if it is null.
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* however earlier version do not and so we would need to alloc the buffer.
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*
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* see the i2d_X509 man page for more details.
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*/
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if (!p)
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{
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buffer = heap_alloc(len);
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p = buffer;
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len = pi2d_X509(cert,&p);
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}
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else
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{
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buffer = p;
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malloced = TRUE;
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}
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ret = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
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if (malloced)
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free(buffer);
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else
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heap_free(buffer);
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return ret;
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}
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static DWORD netconn_verify_cert(netconn_t *conn, PCCERT_CONTEXT cert, HCERTSTORE store)
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{
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BOOL ret;
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CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
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PCCERT_CHAIN_CONTEXT chain;
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char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
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char *server_auth[] = { oid_server_auth };
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DWORD err = ERROR_SUCCESS, chainFlags = 0, errors;
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static const DWORD supportedErrors =
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CERT_TRUST_IS_NOT_TIME_VALID |
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CERT_TRUST_IS_UNTRUSTED_ROOT |
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CERT_TRUST_IS_PARTIAL_CHAIN |
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CERT_TRUST_IS_OFFLINE_REVOCATION |
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CERT_TRUST_REVOCATION_STATUS_UNKNOWN |
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CERT_TRUST_IS_REVOKED |
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CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
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TRACE("verifying %s\n", debugstr_w(conn->server->name));
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chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
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chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
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if (!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION))
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chainFlags |= CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
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if (!(ret = CertGetCertificateChain(NULL, cert, NULL, store, &chainPara, chainFlags, NULL, &chain))) {
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TRACE("failed\n");
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return GetLastError();
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}
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errors = chain->TrustStatus.dwErrorStatus;
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if (chain->TrustStatus.dwErrorStatus & ~supportedErrors) {
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WARN("error status %x\n", chain->TrustStatus.dwErrorStatus & ~supportedErrors);
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if(conn->mask_errors)
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WARN("CERT_TRUST_IS_NOT_TIME_VALID, unknown error flags\n");
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT;
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errors &= supportedErrors;
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}
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if(errors & CERT_TRUST_IS_NOT_TIME_VALID) {
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WARN("CERT_TRUST_IS_NOT_TIME_VALID\n");
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if(conn->mask_errors)
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conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_DATE;
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_DATE_INVALID;
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errors &= ~CERT_TRUST_IS_NOT_TIME_VALID;
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}
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if(errors & CERT_TRUST_IS_UNTRUSTED_ROOT) {
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WARN("CERT_TRUST_IS_UNTRUSTED_ROOT\n");
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if(conn->mask_errors)
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WARN("CERT_TRUST_IS_UNTRUSTED_ROOT, unknown flags\n");
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_INVALID_CA;
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errors &= ~CERT_TRUST_IS_UNTRUSTED_ROOT;
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}
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/* This seems strange, but that's what tests show */
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if(errors & CERT_TRUST_IS_PARTIAL_CHAIN) {
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WARN("CERT_TRUST_IS_PARTIAL_CHAIN\n");
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA)) {
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if(!(conn->security_flags & _SECURITY_FLAG_CERT_REV_FAILED))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_REV_FAILED;
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else
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err = conn->mask_errors ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_INVALID_CA;
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}
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if(conn->mask_errors) {
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if(!(conn->security_flags & _SECURITY_FLAG_CERT_REV_FAILED))
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conn->security_flags |= _SECURITY_FLAG_CERT_REV_FAILED;
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else
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conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_CA;
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}
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errors &= ~CERT_TRUST_IS_PARTIAL_CHAIN;
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}
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if(errors & (CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN)) {
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WARN("CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN\n");
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if(conn->mask_errors)
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WARN("TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN, unknown error flags\n");
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_NO_REV;
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errors &= ~(CERT_TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN);
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}
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if(errors & CERT_TRUST_IS_REVOKED) {
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WARN("CERT_TRUST_IS_REVOKED\n");
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if(conn->mask_errors)
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WARN("TRUST_IS_OFFLINE_REVOCATION | CERT_TRUST_REVOCATION_STATUS_UNKNOWN, unknown error flags\n");
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_REVOCATION))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_REVOKED;
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errors &= ~CERT_TRUST_IS_REVOKED;
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}
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if(errors & CERT_TRUST_IS_NOT_VALID_FOR_USAGE) {
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WARN("CERT_TRUST_IS_NOT_VALID_FOR_USAGE\n");
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if(conn->mask_errors)
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WARN("CERT_TRUST_IS_NOT_VALID_FOR_USAGE, unknown error flags\n");
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if(!(conn->security_flags & SECURITY_FLAG_IGNORE_WRONG_USAGE))
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT;
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errors &= ~CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
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}
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if(!err || conn->mask_errors) {
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CERT_CHAIN_POLICY_PARA policyPara;
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SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
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CERT_CHAIN_POLICY_STATUS policyStatus;
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CERT_CHAIN_CONTEXT chainCopy;
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/* Clear chain->TrustStatus.dwErrorStatus so
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* CertVerifyCertificateChainPolicy will verify additional checks
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* rather than stopping with an existing, ignored error.
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*/
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memcpy(&chainCopy, chain, sizeof(chainCopy));
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chainCopy.TrustStatus.dwErrorStatus = 0;
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sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
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sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
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sslExtraPolicyPara.pwszServerName = conn->server->name;
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sslExtraPolicyPara.fdwChecks = conn->security_flags;
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policyPara.cbSize = sizeof(policyPara);
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policyPara.dwFlags = 0;
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policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
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ret = CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_SSL,
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&chainCopy, &policyPara, &policyStatus);
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/* Any error in the policy status indicates that the
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* policy couldn't be verified.
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*/
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if(ret) {
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if(policyStatus.dwError == CERT_E_CN_NO_MATCH) {
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WARN("CERT_E_CN_NO_MATCH\n");
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if(conn->mask_errors)
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conn->security_flags |= _SECURITY_FLAG_CERT_INVALID_CN;
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_CERT_CN_INVALID;
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}else if(policyStatus.dwError) {
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WARN("policyStatus.dwError %x\n", policyStatus.dwError);
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if(conn->mask_errors)
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WARN("unknown error flags for policy status %x\n", policyStatus.dwError);
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err = conn->mask_errors && err ? ERROR_INTERNET_SEC_CERT_ERRORS : ERROR_INTERNET_SEC_INVALID_CERT;
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}
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}else {
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err = GetLastError();
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}
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}
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if(err) {
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WARN("failed %u\n", err);
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CertFreeCertificateChain(chain);
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if(conn->server->cert_chain) {
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CertFreeCertificateChain(conn->server->cert_chain);
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conn->server->cert_chain = NULL;
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}
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if(conn->mask_errors)
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conn->server->security_flags |= conn->security_flags & _SECURITY_ERROR_FLAGS_MASK;
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return err;
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}
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/* FIXME: Reuse cached chain */
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if(conn->server->cert_chain)
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CertFreeCertificateChain(chain);
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else
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conn->server->cert_chain = chain;
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return ERROR_SUCCESS;
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}
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|
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static int netconn_secure_verify(int preverify_ok, X509_STORE_CTX *ctx)
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{
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SSL *ssl;
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BOOL ret = FALSE;
|
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HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
|
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CERT_STORE_CREATE_NEW_FLAG, NULL);
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netconn_t *conn;
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ssl = pX509_STORE_CTX_get_ex_data(ctx,
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pSSL_get_ex_data_X509_STORE_CTX_idx());
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conn = pSSL_get_ex_data(ssl, conn_idx);
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if (store)
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{
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X509 *cert;
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int i;
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PCCERT_CONTEXT endCert = NULL;
|
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struct stack_st *chain = (struct stack_st *)pX509_STORE_CTX_get_chain( ctx );
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ret = TRUE;
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for (i = 0; ret && i < psk_num(chain); i++)
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{
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PCCERT_CONTEXT context;
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cert = (X509 *)psk_value(chain, i);
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if ((context = X509_to_cert_context(cert)))
|
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{
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ret = CertAddCertificateContextToStore(store, context,
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CERT_STORE_ADD_ALWAYS, i ? NULL : &endCert);
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CertFreeCertificateContext(context);
|
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}
|
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}
|
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if (!endCert) ret = FALSE;
|
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if (ret)
|
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{
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DWORD_PTR err = netconn_verify_cert(conn, endCert, store);
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|
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if (err)
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{
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pSSL_set_ex_data(ssl, error_idx, (void *)err);
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ret = FALSE;
|
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}
|
|
}
|
|
CertFreeCertificateContext(endCert);
|
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CertCloseStore(store, 0);
|
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}
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return ret;
|
|
}
|
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|
|
#endif
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|
|
static CRITICAL_SECTION init_ssl_cs;
|
|
static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
|
|
{
|
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0, 0, &init_ssl_cs,
|
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{ &init_ssl_cs_debug.ProcessLocksList,
|
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&init_ssl_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
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};
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static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
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|
|
|
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) {
|
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ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
|
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return ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
|
|
}
|
|
|
|
OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
|
|
if(!OpenSSL_crypto_handle) {
|
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ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
|
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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;
|
|
}
|