2 * Copyright 2008 Hans Leidekker for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_SOCKET_H
28 # include <sys/socket.h>
30 #ifdef HAVE_SYS_IOCTL_H
31 # include <sys/ioctl.h>
33 #ifdef HAVE_SYS_FILIO_H
34 # include <sys/filio.h>
39 #ifdef HAVE_OPENSSL_SSL_H
40 # include <openssl/ssl.h>
41 # include <openssl/opensslv.h>
46 #define NONAMELESSUNION
48 #include "wine/debug.h"
49 #include "wine/library.h"
56 #include "winhttp_private.h"
58 /* to avoid conflicts with the Unix socket headers */
62 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
64 #ifndef HAVE_GETADDRINFO
66 /* critical section to protect non-reentrant gethostbyname() */
67 static CRITICAL_SECTION cs_gethostbyname;
68 static CRITICAL_SECTION_DEBUG critsect_debug =
70 0, 0, &cs_gethostbyname,
71 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
72 0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
74 static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
80 #include <openssl/err.h>
82 static CRITICAL_SECTION init_ssl_cs;
83 static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
86 { &init_ssl_cs_debug.ProcessLocksList,
87 &init_ssl_cs_debug.ProcessLocksList },
88 0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
90 static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
92 static void *libssl_handle;
93 static void *libcrypto_handle;
95 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER > 0x10000000)
96 static const SSL_METHOD *method;
98 static SSL_METHOD *method;
101 static int hostname_idx;
102 static int error_idx;
105 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
107 MAKE_FUNCPTR( SSL_library_init );
108 MAKE_FUNCPTR( SSL_load_error_strings );
109 MAKE_FUNCPTR( SSLv23_method );
110 MAKE_FUNCPTR( SSL_CTX_free );
111 MAKE_FUNCPTR( SSL_CTX_new );
112 MAKE_FUNCPTR( SSL_new );
113 MAKE_FUNCPTR( SSL_free );
114 MAKE_FUNCPTR( SSL_set_fd );
115 MAKE_FUNCPTR( SSL_connect );
116 MAKE_FUNCPTR( SSL_shutdown );
117 MAKE_FUNCPTR( SSL_write );
118 MAKE_FUNCPTR( SSL_read );
119 MAKE_FUNCPTR( SSL_get_error );
120 MAKE_FUNCPTR( SSL_get_ex_new_index );
121 MAKE_FUNCPTR( SSL_get_ex_data );
122 MAKE_FUNCPTR( SSL_set_ex_data );
123 MAKE_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
124 MAKE_FUNCPTR( SSL_get_peer_certificate );
125 MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths );
126 MAKE_FUNCPTR( SSL_CTX_set_verify );
127 MAKE_FUNCPTR( SSL_get_current_cipher );
128 MAKE_FUNCPTR( SSL_CIPHER_get_bits );
130 MAKE_FUNCPTR( CRYPTO_num_locks );
131 MAKE_FUNCPTR( CRYPTO_set_id_callback );
132 MAKE_FUNCPTR( CRYPTO_set_locking_callback );
133 MAKE_FUNCPTR( ERR_free_strings );
134 MAKE_FUNCPTR( ERR_get_error );
135 MAKE_FUNCPTR( ERR_error_string );
136 MAKE_FUNCPTR( X509_STORE_CTX_get_ex_data );
137 MAKE_FUNCPTR( X509_STORE_CTX_get_chain );
138 MAKE_FUNCPTR( i2d_X509 );
139 MAKE_FUNCPTR( sk_value );
140 MAKE_FUNCPTR( sk_num );
143 static CRITICAL_SECTION *ssl_locks;
144 static unsigned int num_ssl_locks;
146 static unsigned long ssl_thread_id(void)
148 return GetCurrentThreadId();
151 static void ssl_lock_callback(int mode, int type, const char *file, int line)
153 if (mode & CRYPTO_LOCK)
154 EnterCriticalSection( &ssl_locks[type] );
156 LeaveCriticalSection( &ssl_locks[type] );
161 /* translate a unix error code into a winsock error code */
162 static int sock_get_error( int err )
164 #if !defined(__MINGW32__) && !defined (_MSC_VER)
167 case EINTR: return WSAEINTR;
168 case EBADF: return WSAEBADF;
170 case EACCES: return WSAEACCES;
171 case EFAULT: return WSAEFAULT;
172 case EINVAL: return WSAEINVAL;
173 case EMFILE: return WSAEMFILE;
174 case EWOULDBLOCK: return WSAEWOULDBLOCK;
175 case EINPROGRESS: return WSAEINPROGRESS;
176 case EALREADY: return WSAEALREADY;
177 case ENOTSOCK: return WSAENOTSOCK;
178 case EDESTADDRREQ: return WSAEDESTADDRREQ;
179 case EMSGSIZE: return WSAEMSGSIZE;
180 case EPROTOTYPE: return WSAEPROTOTYPE;
181 case ENOPROTOOPT: return WSAENOPROTOOPT;
182 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
183 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
184 case EOPNOTSUPP: return WSAEOPNOTSUPP;
185 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
186 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
187 case EADDRINUSE: return WSAEADDRINUSE;
188 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
189 case ENETDOWN: return WSAENETDOWN;
190 case ENETUNREACH: return WSAENETUNREACH;
191 case ENETRESET: return WSAENETRESET;
192 case ECONNABORTED: return WSAECONNABORTED;
194 case ECONNRESET: return WSAECONNRESET;
195 case ENOBUFS: return WSAENOBUFS;
196 case EISCONN: return WSAEISCONN;
197 case ENOTCONN: return WSAENOTCONN;
198 case ESHUTDOWN: return WSAESHUTDOWN;
199 case ETOOMANYREFS: return WSAETOOMANYREFS;
200 case ETIMEDOUT: return WSAETIMEDOUT;
201 case ECONNREFUSED: return WSAECONNREFUSED;
202 case ELOOP: return WSAELOOP;
203 case ENAMETOOLONG: return WSAENAMETOOLONG;
204 case EHOSTDOWN: return WSAEHOSTDOWN;
205 case EHOSTUNREACH: return WSAEHOSTUNREACH;
206 case ENOTEMPTY: return WSAENOTEMPTY;
208 case EPROCLIM: return WSAEPROCLIM;
211 case EUSERS: return WSAEUSERS;
214 case EDQUOT: return WSAEDQUOT;
217 case ESTALE: return WSAESTALE;
220 case EREMOTE: return WSAEREMOTE;
222 default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
229 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
231 unsigned char *buffer, *p;
237 if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
239 * SSL 0.9.7 and above malloc the buffer if it is null.
240 * however earlier version do not and so we would need to alloc the buffer.
242 * see the i2d_X509 man page for more details.
246 if (!(buffer = heap_alloc( len ))) return NULL;
248 len = pi2d_X509( cert, &p );
256 ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
258 if (malloc) free( buffer );
259 else heap_free( buffer );
264 static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
265 WCHAR *server, DWORD security_flags )
268 CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
269 PCCERT_CHAIN_CONTEXT chain;
270 char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
271 char *server_auth[] = { oid_server_auth };
272 DWORD err = ERROR_SUCCESS;
274 TRACE("verifying %s\n", debugstr_w( server ));
275 chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
276 chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
277 if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara,
278 CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT,
281 if (chain->TrustStatus.dwErrorStatus)
283 static const DWORD supportedErrors =
284 CERT_TRUST_IS_NOT_TIME_VALID |
285 CERT_TRUST_IS_UNTRUSTED_ROOT |
286 CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
288 if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
290 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID))
291 err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID;
293 else if (chain->TrustStatus.dwErrorStatus &
294 CERT_TRUST_IS_UNTRUSTED_ROOT)
296 if (!(security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA))
297 err = ERROR_WINHTTP_SECURE_INVALID_CA;
299 else if ((chain->TrustStatus.dwErrorStatus &
300 CERT_TRUST_IS_OFFLINE_REVOCATION) ||
301 (chain->TrustStatus.dwErrorStatus &
302 CERT_TRUST_REVOCATION_STATUS_UNKNOWN))
303 err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED;
304 else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED)
305 err = ERROR_WINHTTP_SECURE_CERT_REVOKED;
306 else if (chain->TrustStatus.dwErrorStatus &
307 CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
309 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE))
310 err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE;
312 else if (chain->TrustStatus.dwErrorStatus & ~supportedErrors)
313 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
317 CERT_CHAIN_POLICY_PARA policyPara;
318 SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
319 CERT_CHAIN_POLICY_STATUS policyStatus;
320 CERT_CHAIN_CONTEXT chainCopy;
322 /* Clear chain->TrustStatus.dwErrorStatus so
323 * CertVerifyCertificateChainPolicy will verify additional checks
324 * rather than stopping with an existing, ignored error.
326 memcpy(&chainCopy, chain, sizeof(chainCopy));
327 chainCopy.TrustStatus.dwErrorStatus = 0;
328 sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
329 sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
330 sslExtraPolicyPara.pwszServerName = server;
331 sslExtraPolicyPara.fdwChecks = security_flags;
332 policyPara.cbSize = sizeof(policyPara);
333 policyPara.dwFlags = 0;
334 policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
335 ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL,
336 &chainCopy, &policyPara,
338 /* Any error in the policy status indicates that the
339 * policy couldn't be verified.
341 if (ret && policyStatus.dwError)
343 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
344 err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID;
346 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
349 CertFreeCertificateChain( chain );
352 err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
353 TRACE("returning %08x\n", err);
357 static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
363 HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
364 CERT_STORE_CREATE_NEW_FLAG, NULL );
366 ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
367 server = pSSL_get_ex_data( ssl, hostname_idx );
368 conn = pSSL_get_ex_data( ssl, conn_idx );
373 PCCERT_CONTEXT endCert = NULL;
374 struct stack_st *chain = (struct stack_st *)pX509_STORE_CTX_get_chain( ctx );
377 for (i = 0; ret && i < psk_num(chain); i++)
379 PCCERT_CONTEXT context;
381 cert = (X509 *)psk_value(chain, i);
382 if ((context = X509_to_cert_context( cert )))
385 ret = CertAddCertificateContextToStore( store, context,
386 CERT_STORE_ADD_ALWAYS, &endCert );
388 ret = CertAddCertificateContextToStore( store, context,
389 CERT_STORE_ADD_ALWAYS, NULL );
390 CertFreeCertificateContext( context );
393 if (!endCert) ret = FALSE;
396 DWORD_PTR err = netconn_verify_cert( endCert, store, server,
397 conn->security_flags );
401 pSSL_set_ex_data( ssl, error_idx, (void *)err );
405 CertFreeCertificateContext( endCert );
406 CertCloseStore( store, 0 );
412 BOOL netconn_init( netconn_t *conn, BOOL secure )
414 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
419 if (!secure) return TRUE;
421 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
422 EnterCriticalSection( &init_ssl_cs );
425 LeaveCriticalSection( &init_ssl_cs );
428 if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
430 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
431 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
432 LeaveCriticalSection( &init_ssl_cs );
435 if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
437 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
438 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
439 LeaveCriticalSection( &init_ssl_cs );
442 #define LOAD_FUNCPTR(x) \
443 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
445 ERR("Failed to load symbol %s\n", #x); \
446 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
447 LeaveCriticalSection( &init_ssl_cs ); \
450 LOAD_FUNCPTR( SSL_library_init );
451 LOAD_FUNCPTR( SSL_load_error_strings );
452 LOAD_FUNCPTR( SSLv23_method );
453 LOAD_FUNCPTR( SSL_CTX_free );
454 LOAD_FUNCPTR( SSL_CTX_new );
455 LOAD_FUNCPTR( SSL_new );
456 LOAD_FUNCPTR( SSL_free );
457 LOAD_FUNCPTR( SSL_set_fd );
458 LOAD_FUNCPTR( SSL_connect );
459 LOAD_FUNCPTR( SSL_shutdown );
460 LOAD_FUNCPTR( SSL_write );
461 LOAD_FUNCPTR( SSL_read );
462 LOAD_FUNCPTR( SSL_get_error );
463 LOAD_FUNCPTR( SSL_get_ex_new_index );
464 LOAD_FUNCPTR( SSL_get_ex_data );
465 LOAD_FUNCPTR( SSL_set_ex_data );
466 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
467 LOAD_FUNCPTR( SSL_get_peer_certificate );
468 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
469 LOAD_FUNCPTR( SSL_CTX_set_verify );
470 LOAD_FUNCPTR( SSL_get_current_cipher );
471 LOAD_FUNCPTR( SSL_CIPHER_get_bits );
474 #define LOAD_FUNCPTR(x) \
475 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
477 ERR("Failed to load symbol %s\n", #x); \
478 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
479 LeaveCriticalSection( &init_ssl_cs ); \
482 LOAD_FUNCPTR( CRYPTO_num_locks );
483 LOAD_FUNCPTR( CRYPTO_set_id_callback );
484 LOAD_FUNCPTR( CRYPTO_set_locking_callback );
485 LOAD_FUNCPTR( ERR_free_strings );
486 LOAD_FUNCPTR( ERR_get_error );
487 LOAD_FUNCPTR( ERR_error_string );
488 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
489 LOAD_FUNCPTR( X509_STORE_CTX_get_chain );
490 LOAD_FUNCPTR( i2d_X509 );
491 LOAD_FUNCPTR( sk_value );
492 LOAD_FUNCPTR( sk_num );
496 pSSL_load_error_strings();
498 method = pSSLv23_method();
499 ctx = pSSL_CTX_new( method );
500 if (!pSSL_CTX_set_default_verify_paths( ctx ))
502 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
503 set_last_error( ERROR_OUTOFMEMORY );
504 LeaveCriticalSection( &init_ssl_cs );
507 hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
508 if (hostname_idx == -1)
510 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
511 set_last_error( ERROR_OUTOFMEMORY );
512 LeaveCriticalSection( &init_ssl_cs );
515 error_idx = pSSL_get_ex_new_index( 0, (void *)"error index", NULL, NULL, NULL );
518 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
519 set_last_error( ERROR_OUTOFMEMORY );
520 LeaveCriticalSection( &init_ssl_cs );
523 conn_idx = pSSL_get_ex_new_index( 0, (void *)"netconn index", NULL, NULL, NULL );
526 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
527 set_last_error( ERROR_OUTOFMEMORY );
528 LeaveCriticalSection( &init_ssl_cs );
531 pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
533 pCRYPTO_set_id_callback(ssl_thread_id);
534 num_ssl_locks = pCRYPTO_num_locks();
535 ssl_locks = HeapAlloc(GetProcessHeap(), 0, num_ssl_locks * sizeof(CRITICAL_SECTION));
538 set_last_error( ERROR_OUTOFMEMORY );
539 LeaveCriticalSection( &init_ssl_cs );
542 for (i = 0; i < num_ssl_locks; i++) InitializeCriticalSection( &ssl_locks[i] );
543 pCRYPTO_set_locking_callback(ssl_lock_callback);
545 LeaveCriticalSection( &init_ssl_cs );
547 WARN("SSL support not compiled in.\n");
548 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
554 void netconn_unload( void )
556 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
557 if (libcrypto_handle)
560 wine_dlclose( libcrypto_handle, NULL, 0 );
565 pSSL_CTX_free( ctx );
566 wine_dlclose( libssl_handle, NULL, 0 );
571 for (i = 0; i < num_ssl_locks; i++) DeleteCriticalSection( &ssl_locks[i] );
572 HeapFree( GetProcessHeap(), 0, ssl_locks );
577 BOOL netconn_connected( netconn_t *conn )
579 return (conn->socket != -1);
582 BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
584 if ((conn->socket = socket( domain, type, protocol )) == -1)
586 WARN("unable to create socket (%s)\n", strerror(errno));
587 set_last_error( sock_get_error( errno ) );
593 BOOL netconn_close( netconn_t *conn )
600 heap_free( conn->peek_msg_mem );
601 conn->peek_msg_mem = NULL;
602 conn->peek_msg = NULL;
605 pSSL_shutdown( conn->ssl_conn );
606 pSSL_free( conn->ssl_conn );
608 conn->ssl_conn = NULL;
609 conn->secure = FALSE;
612 res = closesocket( conn->socket );
616 set_last_error( sock_get_error( errno ) );
622 BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len, int timeout )
630 ioctlsocket( conn->socket, FIONBIO, &state );
632 if (connect( conn->socket, sockaddr, addr_len ) < 0)
634 res = sock_get_error( errno );
635 if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS)
639 pfd.fd = conn->socket;
640 pfd.events = POLLOUT;
641 if (poll( &pfd, 1, timeout ) > 0)
644 res = sock_get_error( errno );
652 ioctlsocket( conn->socket, FIONBIO, &state );
656 WARN("unable to connect to host (%d)\n", res);
657 set_last_error( res );
662 BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
665 if (!(conn->ssl_conn = pSSL_new( ctx )))
667 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
668 set_last_error( ERROR_OUTOFMEMORY );
671 if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
673 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
674 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
677 if (!pSSL_set_ex_data( conn->ssl_conn, conn_idx, conn ))
679 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
680 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
683 if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
685 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
686 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
689 if (pSSL_connect( conn->ssl_conn ) <= 0)
693 err = (DWORD_PTR)pSSL_get_ex_data( conn->ssl_conn, error_idx );
694 if (!err) err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
695 ERR("couldn't verify server certificate (%d)\n", err);
696 set_last_error( err );
699 TRACE("established SSL connection\n");
706 pSSL_shutdown( conn->ssl_conn );
707 pSSL_free( conn->ssl_conn );
708 conn->ssl_conn = NULL;
714 BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
716 if (!netconn_connected( conn )) return FALSE;
720 if (flags) FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
721 *sent = pSSL_write( conn->ssl_conn, msg, len );
722 if (*sent < 1 && len) return FALSE;
728 if ((*sent = send( conn->socket, msg, len, flags )) == -1)
730 set_last_error( sock_get_error( errno ) );
736 BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
739 if (!netconn_connected( conn )) return FALSE;
740 if (!len) return TRUE;
747 if (flags & ~(MSG_PEEK | MSG_WAITALL))
748 FIXME("SSL_read does not support the following flags: %08x\n", flags);
750 /* this ugly hack is all for MSG_PEEK */
751 if (flags & MSG_PEEK && !conn->peek_msg)
753 if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
755 else if (flags & MSG_PEEK && conn->peek_msg)
757 if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
758 *recvd = min( len, conn->peek_len );
759 memcpy( buf, conn->peek_msg, *recvd );
762 else if (conn->peek_msg)
764 *recvd = min( len, conn->peek_len );
765 memcpy( buf, conn->peek_msg, *recvd );
766 conn->peek_len -= *recvd;
767 conn->peek_msg += *recvd;
769 if (conn->peek_len == 0)
771 heap_free( conn->peek_msg_mem );
772 conn->peek_msg_mem = NULL;
773 conn->peek_msg = NULL;
775 /* check if we have enough data from the peek buffer */
776 if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
778 ret = pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
782 /* check if EOF was received */
783 if (!ret && (pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_ZERO_RETURN ||
784 pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_SYSCALL ))
786 netconn_close( conn );
789 if (flags & MSG_PEEK) /* must copy into buffer */
791 conn->peek_len = ret;
794 heap_free( conn->peek_msg_mem );
795 conn->peek_msg_mem = NULL;
796 conn->peek_msg = NULL;
798 else memcpy( conn->peek_msg, buf, ret );
806 if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
808 set_last_error( sock_get_error( errno ) );
814 BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
820 if (!netconn_connected( conn )) return FALSE;
825 if (conn->peek_msg) *available = conn->peek_len;
830 if (!(ret = ioctlsocket( conn->socket, FIONREAD, &unread ))) *available = unread;
835 BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
841 if (!netconn_connected( conn )) return FALSE;
846 while (recvd < *buflen)
849 if (!netconn_recv( conn, &buffer[recvd], 1, 0, &dummy ))
851 set_last_error( ERROR_CONNECTION_ABORTED );
854 if (buffer[recvd] == '\n')
859 if (buffer[recvd] != '\r') recvd++;
865 TRACE("received line %s\n", debugstr_a(buffer));
873 pfd.fd = conn->socket;
875 while (recvd < *buflen)
879 socklen_t len = sizeof(tv);
881 if ((res = getsockopt( conn->socket, SOL_SOCKET, SO_RCVTIMEO, (void*)&tv, &len ) != -1))
882 timeout = tv.tv_sec * 1000 + tv.tv_usec / 1000;
885 if (poll( &pfd, 1, timeout ) > 0)
887 if ((res = recv( conn->socket, &buffer[recvd], 1, 0 )) <= 0)
889 if (res == -1) set_last_error( sock_get_error( errno ) );
892 if (buffer[recvd] == '\n')
897 if (buffer[recvd] != '\r') recvd++;
901 set_last_error( ERROR_WINHTTP_TIMEOUT );
909 TRACE("received line %s\n", debugstr_a(buffer));
914 DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
919 /* value is in milliseconds, convert to struct timeval */
920 tv.tv_sec = value / 1000;
921 tv.tv_usec = (value % 1000) * 1000;
923 if ((res = setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1))
925 WARN("setsockopt failed (%s)\n", strerror( errno ));
926 return sock_get_error( errno );
928 return ERROR_SUCCESS;
931 static DWORD resolve_hostname( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len )
934 #ifdef HAVE_GETADDRINFO
935 struct addrinfo *res, hints;
939 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
942 if (!(hostname = strdupWA( hostnameW ))) return ERROR_OUTOFMEMORY;
944 #ifdef HAVE_GETADDRINFO
945 memset( &hints, 0, sizeof(struct addrinfo) );
946 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
947 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
949 hints.ai_family = AF_INET;
951 ret = getaddrinfo( hostname, NULL, &hints, &res );
954 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret));
955 hints.ai_family = AF_INET6;
956 ret = getaddrinfo( hostname, NULL, &hints, &res );
959 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret));
960 heap_free( hostname );
961 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
964 heap_free( hostname );
965 if (*sa_len < res->ai_addrlen)
967 WARN("address too small\n");
969 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
971 *sa_len = res->ai_addrlen;
972 memcpy( sa, res->ai_addr, res->ai_addrlen );
974 switch (res->ai_family)
977 ((struct sockaddr_in *)sa)->sin_port = htons( port );
980 ((struct sockaddr_in6 *)sa)->sin6_port = htons( port );
985 return ERROR_SUCCESS;
987 EnterCriticalSection( &cs_gethostbyname );
989 he = gethostbyname( hostname );
990 heap_free( hostname );
993 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno);
994 LeaveCriticalSection( &cs_gethostbyname );
995 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
997 if (*sa_len < sizeof(struct sockaddr_in))
999 WARN("address too small\n");
1000 LeaveCriticalSection( &cs_gethostbyname );
1001 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
1003 *sa_len = sizeof(struct sockaddr_in);
1004 memset( sa, 0, sizeof(struct sockaddr_in) );
1005 memcpy( &sin->sin_addr, he->h_addr, he->h_length );
1006 sin->sin_family = he->h_addrtype;
1007 sin->sin_port = htons( port );
1009 LeaveCriticalSection( &cs_gethostbyname );
1010 return ERROR_SUCCESS;
1018 struct sockaddr *sa;
1022 static DWORD CALLBACK resolve_proc( LPVOID arg )
1024 struct resolve_args *ra = arg;
1025 return resolve_hostname( ra->hostname, ra->port, ra->sa, ra->sa_len );
1028 BOOL netconn_resolve( WCHAR *hostname, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len, int timeout )
1036 struct resolve_args ra;
1038 ra.hostname = hostname;
1043 thread = CreateThread( NULL, 0, resolve_proc, &ra, 0, NULL );
1044 if (!thread) return FALSE;
1046 status = WaitForSingleObject( thread, timeout );
1047 if (status == WAIT_OBJECT_0) GetExitCodeThread( thread, &ret );
1048 else ret = ERROR_WINHTTP_TIMEOUT;
1049 CloseHandle( thread );
1051 else ret = resolve_hostname( hostname, port, sa, sa_len );
1055 set_last_error( ret );
1061 const void *netconn_get_certificate( netconn_t *conn )
1063 #ifdef SONAME_LIBSSL
1065 const CERT_CONTEXT *ret;
1067 if (!conn->secure) return NULL;
1069 if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
1070 ret = X509_to_cert_context( cert );
1077 int netconn_get_cipher_strength( netconn_t *conn )
1079 #ifdef SONAME_LIBSSL
1080 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f)
1081 const SSL_CIPHER *cipher;
1087 if (!conn->secure) return 0;
1088 if (!(cipher = pSSL_get_current_cipher( conn->ssl_conn ))) return 0;
1089 pSSL_CIPHER_get_bits( cipher, &bits );