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_pending );
120 MAKE_FUNCPTR( SSL_get_error );
121 MAKE_FUNCPTR( SSL_get_ex_new_index );
122 MAKE_FUNCPTR( SSL_get_ex_data );
123 MAKE_FUNCPTR( SSL_set_ex_data );
124 MAKE_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
125 MAKE_FUNCPTR( SSL_get_peer_certificate );
126 MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths );
127 MAKE_FUNCPTR( SSL_CTX_set_verify );
128 MAKE_FUNCPTR( SSL_get_current_cipher );
129 MAKE_FUNCPTR( SSL_CIPHER_get_bits );
131 MAKE_FUNCPTR( CRYPTO_num_locks );
132 MAKE_FUNCPTR( CRYPTO_set_id_callback );
133 MAKE_FUNCPTR( CRYPTO_set_locking_callback );
134 MAKE_FUNCPTR( ERR_free_strings );
135 MAKE_FUNCPTR( ERR_get_error );
136 MAKE_FUNCPTR( ERR_error_string );
137 MAKE_FUNCPTR( X509_STORE_CTX_get_ex_data );
138 MAKE_FUNCPTR( X509_STORE_CTX_get_chain );
139 MAKE_FUNCPTR( i2d_X509 );
140 MAKE_FUNCPTR( sk_value );
141 MAKE_FUNCPTR( sk_num );
144 static CRITICAL_SECTION *ssl_locks;
145 static unsigned int num_ssl_locks;
147 static unsigned long ssl_thread_id(void)
149 return GetCurrentThreadId();
152 static void ssl_lock_callback(int mode, int type, const char *file, int line)
154 if (mode & CRYPTO_LOCK)
155 EnterCriticalSection( &ssl_locks[type] );
157 LeaveCriticalSection( &ssl_locks[type] );
162 /* translate a unix error code into a winsock error code */
163 static int sock_get_error( int err )
165 #if !defined(__MINGW32__) && !defined (_MSC_VER)
168 case EINTR: return WSAEINTR;
169 case EBADF: return WSAEBADF;
171 case EACCES: return WSAEACCES;
172 case EFAULT: return WSAEFAULT;
173 case EINVAL: return WSAEINVAL;
174 case EMFILE: return WSAEMFILE;
175 case EWOULDBLOCK: return WSAEWOULDBLOCK;
176 case EINPROGRESS: return WSAEINPROGRESS;
177 case EALREADY: return WSAEALREADY;
178 case ENOTSOCK: return WSAENOTSOCK;
179 case EDESTADDRREQ: return WSAEDESTADDRREQ;
180 case EMSGSIZE: return WSAEMSGSIZE;
181 case EPROTOTYPE: return WSAEPROTOTYPE;
182 case ENOPROTOOPT: return WSAENOPROTOOPT;
183 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
184 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
185 case EOPNOTSUPP: return WSAEOPNOTSUPP;
186 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
187 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
188 case EADDRINUSE: return WSAEADDRINUSE;
189 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
190 case ENETDOWN: return WSAENETDOWN;
191 case ENETUNREACH: return WSAENETUNREACH;
192 case ENETRESET: return WSAENETRESET;
193 case ECONNABORTED: return WSAECONNABORTED;
195 case ECONNRESET: return WSAECONNRESET;
196 case ENOBUFS: return WSAENOBUFS;
197 case EISCONN: return WSAEISCONN;
198 case ENOTCONN: return WSAENOTCONN;
199 case ESHUTDOWN: return WSAESHUTDOWN;
200 case ETOOMANYREFS: return WSAETOOMANYREFS;
201 case ETIMEDOUT: return WSAETIMEDOUT;
202 case ECONNREFUSED: return WSAECONNREFUSED;
203 case ELOOP: return WSAELOOP;
204 case ENAMETOOLONG: return WSAENAMETOOLONG;
205 case EHOSTDOWN: return WSAEHOSTDOWN;
206 case EHOSTUNREACH: return WSAEHOSTUNREACH;
207 case ENOTEMPTY: return WSAENOTEMPTY;
209 case EPROCLIM: return WSAEPROCLIM;
212 case EUSERS: return WSAEUSERS;
215 case EDQUOT: return WSAEDQUOT;
218 case ESTALE: return WSAESTALE;
221 case EREMOTE: return WSAEREMOTE;
223 default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
230 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
232 unsigned char *buffer, *p;
238 if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
240 * SSL 0.9.7 and above malloc the buffer if it is null.
241 * however earlier version do not and so we would need to alloc the buffer.
243 * see the i2d_X509 man page for more details.
247 if (!(buffer = heap_alloc( len ))) return NULL;
249 len = pi2d_X509( cert, &p );
257 ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
259 if (malloc) free( buffer );
260 else heap_free( buffer );
265 static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
266 WCHAR *server, DWORD security_flags )
269 CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
270 PCCERT_CHAIN_CONTEXT chain;
271 char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
272 char *server_auth[] = { oid_server_auth };
273 DWORD err = ERROR_SUCCESS;
275 TRACE("verifying %s\n", debugstr_w( server ));
276 chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
277 chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
278 if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara,
279 CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT,
282 if (chain->TrustStatus.dwErrorStatus)
284 static const DWORD supportedErrors =
285 CERT_TRUST_IS_NOT_TIME_VALID |
286 CERT_TRUST_IS_UNTRUSTED_ROOT |
287 CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
289 if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
291 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID))
292 err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID;
294 else if (chain->TrustStatus.dwErrorStatus &
295 CERT_TRUST_IS_UNTRUSTED_ROOT)
297 if (!(security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA))
298 err = ERROR_WINHTTP_SECURE_INVALID_CA;
300 else if ((chain->TrustStatus.dwErrorStatus &
301 CERT_TRUST_IS_OFFLINE_REVOCATION) ||
302 (chain->TrustStatus.dwErrorStatus &
303 CERT_TRUST_REVOCATION_STATUS_UNKNOWN))
304 err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED;
305 else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED)
306 err = ERROR_WINHTTP_SECURE_CERT_REVOKED;
307 else if (chain->TrustStatus.dwErrorStatus &
308 CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
310 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE))
311 err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE;
313 else if (chain->TrustStatus.dwErrorStatus & ~supportedErrors)
314 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
318 CERT_CHAIN_POLICY_PARA policyPara;
319 SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
320 CERT_CHAIN_POLICY_STATUS policyStatus;
321 CERT_CHAIN_CONTEXT chainCopy;
323 /* Clear chain->TrustStatus.dwErrorStatus so
324 * CertVerifyCertificateChainPolicy will verify additional checks
325 * rather than stopping with an existing, ignored error.
327 memcpy(&chainCopy, chain, sizeof(chainCopy));
328 chainCopy.TrustStatus.dwErrorStatus = 0;
329 sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
330 sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
331 sslExtraPolicyPara.pwszServerName = server;
332 sslExtraPolicyPara.fdwChecks = security_flags;
333 policyPara.cbSize = sizeof(policyPara);
334 policyPara.dwFlags = 0;
335 policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
336 ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL,
337 &chainCopy, &policyPara,
339 /* Any error in the policy status indicates that the
340 * policy couldn't be verified.
342 if (ret && policyStatus.dwError)
344 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
345 err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID;
347 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
350 CertFreeCertificateChain( chain );
353 err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
354 TRACE("returning %08x\n", err);
358 static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
364 HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
365 CERT_STORE_CREATE_NEW_FLAG, NULL );
367 ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
368 server = pSSL_get_ex_data( ssl, hostname_idx );
369 conn = pSSL_get_ex_data( ssl, conn_idx );
374 PCCERT_CONTEXT endCert = NULL;
375 struct stack_st *chain = (struct stack_st *)pX509_STORE_CTX_get_chain( ctx );
378 for (i = 0; ret && i < psk_num(chain); i++)
380 PCCERT_CONTEXT context;
382 cert = (X509 *)psk_value(chain, i);
383 if ((context = X509_to_cert_context( cert )))
386 ret = CertAddCertificateContextToStore( store, context,
387 CERT_STORE_ADD_ALWAYS, &endCert );
389 ret = CertAddCertificateContextToStore( store, context,
390 CERT_STORE_ADD_ALWAYS, NULL );
391 CertFreeCertificateContext( context );
394 if (!endCert) ret = FALSE;
397 DWORD_PTR err = netconn_verify_cert( endCert, store, server,
398 conn->security_flags );
402 pSSL_set_ex_data( ssl, error_idx, (void *)err );
406 CertFreeCertificateContext( endCert );
407 CertCloseStore( store, 0 );
413 BOOL netconn_init( netconn_t *conn, BOOL secure )
415 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
420 if (!secure) return TRUE;
422 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
423 EnterCriticalSection( &init_ssl_cs );
426 LeaveCriticalSection( &init_ssl_cs );
429 if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
431 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
432 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
433 LeaveCriticalSection( &init_ssl_cs );
436 if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
438 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
439 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
440 LeaveCriticalSection( &init_ssl_cs );
443 #define LOAD_FUNCPTR(x) \
444 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
446 ERR("Failed to load symbol %s\n", #x); \
447 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
448 LeaveCriticalSection( &init_ssl_cs ); \
451 LOAD_FUNCPTR( SSL_library_init );
452 LOAD_FUNCPTR( SSL_load_error_strings );
453 LOAD_FUNCPTR( SSLv23_method );
454 LOAD_FUNCPTR( SSL_CTX_free );
455 LOAD_FUNCPTR( SSL_CTX_new );
456 LOAD_FUNCPTR( SSL_new );
457 LOAD_FUNCPTR( SSL_free );
458 LOAD_FUNCPTR( SSL_set_fd );
459 LOAD_FUNCPTR( SSL_connect );
460 LOAD_FUNCPTR( SSL_shutdown );
461 LOAD_FUNCPTR( SSL_write );
462 LOAD_FUNCPTR( SSL_read );
463 LOAD_FUNCPTR( SSL_pending );
464 LOAD_FUNCPTR( SSL_get_error );
465 LOAD_FUNCPTR( SSL_get_ex_new_index );
466 LOAD_FUNCPTR( SSL_get_ex_data );
467 LOAD_FUNCPTR( SSL_set_ex_data );
468 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
469 LOAD_FUNCPTR( SSL_get_peer_certificate );
470 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
471 LOAD_FUNCPTR( SSL_CTX_set_verify );
472 LOAD_FUNCPTR( SSL_get_current_cipher );
473 LOAD_FUNCPTR( SSL_CIPHER_get_bits );
476 #define LOAD_FUNCPTR(x) \
477 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
479 ERR("Failed to load symbol %s\n", #x); \
480 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
481 LeaveCriticalSection( &init_ssl_cs ); \
484 LOAD_FUNCPTR( CRYPTO_num_locks );
485 LOAD_FUNCPTR( CRYPTO_set_id_callback );
486 LOAD_FUNCPTR( CRYPTO_set_locking_callback );
487 LOAD_FUNCPTR( ERR_free_strings );
488 LOAD_FUNCPTR( ERR_get_error );
489 LOAD_FUNCPTR( ERR_error_string );
490 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
491 LOAD_FUNCPTR( X509_STORE_CTX_get_chain );
492 LOAD_FUNCPTR( i2d_X509 );
493 LOAD_FUNCPTR( sk_value );
494 LOAD_FUNCPTR( sk_num );
498 pSSL_load_error_strings();
500 method = pSSLv23_method();
501 ctx = pSSL_CTX_new( method );
502 if (!pSSL_CTX_set_default_verify_paths( ctx ))
504 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
505 set_last_error( ERROR_OUTOFMEMORY );
506 LeaveCriticalSection( &init_ssl_cs );
509 hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
510 if (hostname_idx == -1)
512 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
513 set_last_error( ERROR_OUTOFMEMORY );
514 LeaveCriticalSection( &init_ssl_cs );
517 error_idx = pSSL_get_ex_new_index( 0, (void *)"error index", NULL, NULL, NULL );
520 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
521 set_last_error( ERROR_OUTOFMEMORY );
522 LeaveCriticalSection( &init_ssl_cs );
525 conn_idx = pSSL_get_ex_new_index( 0, (void *)"netconn index", NULL, NULL, NULL );
528 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
529 set_last_error( ERROR_OUTOFMEMORY );
530 LeaveCriticalSection( &init_ssl_cs );
533 pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
535 pCRYPTO_set_id_callback(ssl_thread_id);
536 num_ssl_locks = pCRYPTO_num_locks();
537 ssl_locks = heap_alloc(num_ssl_locks * sizeof(CRITICAL_SECTION));
540 set_last_error( ERROR_OUTOFMEMORY );
541 LeaveCriticalSection( &init_ssl_cs );
544 for (i = 0; i < num_ssl_locks; i++)
546 InitializeCriticalSection( &ssl_locks[i] );
547 ssl_locks[i].DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ssl_locks");
549 pCRYPTO_set_locking_callback(ssl_lock_callback);
551 LeaveCriticalSection( &init_ssl_cs );
553 WARN("SSL support not compiled in.\n");
554 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
560 void netconn_unload( void )
562 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
563 if (libcrypto_handle)
566 wine_dlclose( libcrypto_handle, NULL, 0 );
571 pSSL_CTX_free( ctx );
572 wine_dlclose( libssl_handle, NULL, 0 );
577 for (i = 0; i < num_ssl_locks; i++)
579 ssl_locks[i].DebugInfo->Spare[0] = 0;
580 DeleteCriticalSection( &ssl_locks[i] );
582 heap_free( ssl_locks );
584 DeleteCriticalSection(&init_ssl_cs);
586 #ifndef HAVE_GETADDRINFO
587 DeleteCriticalSection(&cs_gethostbyname);
591 BOOL netconn_connected( netconn_t *conn )
593 return (conn->socket != -1);
596 BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
598 if ((conn->socket = socket( domain, type, protocol )) == -1)
600 WARN("unable to create socket (%s)\n", strerror(errno));
601 set_last_error( sock_get_error( errno ) );
607 BOOL netconn_close( netconn_t *conn )
614 heap_free( conn->peek_msg_mem );
615 conn->peek_msg_mem = NULL;
616 conn->peek_msg = NULL;
619 pSSL_shutdown( conn->ssl_conn );
620 pSSL_free( conn->ssl_conn );
622 conn->ssl_conn = NULL;
623 conn->secure = FALSE;
626 res = closesocket( conn->socket );
630 set_last_error( sock_get_error( errno ) );
636 BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len, int timeout )
644 ioctlsocket( conn->socket, FIONBIO, &state );
646 if (connect( conn->socket, sockaddr, addr_len ) < 0)
648 res = sock_get_error( errno );
649 if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS)
653 pfd.fd = conn->socket;
654 pfd.events = POLLOUT;
655 if (poll( &pfd, 1, timeout ) > 0)
658 res = sock_get_error( errno );
666 ioctlsocket( conn->socket, FIONBIO, &state );
670 WARN("unable to connect to host (%d)\n", res);
671 set_last_error( res );
676 BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
679 if (!(conn->ssl_conn = pSSL_new( ctx )))
681 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
682 set_last_error( ERROR_OUTOFMEMORY );
685 if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
687 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
688 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
691 if (!pSSL_set_ex_data( conn->ssl_conn, conn_idx, conn ))
693 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
694 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
697 if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
699 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
700 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
703 if (pSSL_connect( conn->ssl_conn ) <= 0)
707 err = (DWORD_PTR)pSSL_get_ex_data( conn->ssl_conn, error_idx );
708 if (!err) err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
709 ERR("couldn't verify server certificate (%d)\n", err);
710 set_last_error( err );
713 TRACE("established SSL connection\n");
720 pSSL_shutdown( conn->ssl_conn );
721 pSSL_free( conn->ssl_conn );
722 conn->ssl_conn = NULL;
728 BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
730 if (!netconn_connected( conn )) return FALSE;
734 if (flags) FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
735 *sent = pSSL_write( conn->ssl_conn, msg, len );
736 if (*sent < 1 && len) return FALSE;
742 if ((*sent = send( conn->socket, msg, len, flags )) == -1)
744 set_last_error( sock_get_error( errno ) );
750 BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
753 if (!netconn_connected( conn )) return FALSE;
754 if (!len) return TRUE;
761 if (flags & ~(MSG_PEEK | MSG_WAITALL))
762 FIXME("SSL_read does not support the following flags: %08x\n", flags);
764 /* this ugly hack is all for MSG_PEEK */
765 if (flags & MSG_PEEK && !conn->peek_msg)
767 if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
769 else if (flags & MSG_PEEK && conn->peek_msg)
771 if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
772 *recvd = min( len, conn->peek_len );
773 memcpy( buf, conn->peek_msg, *recvd );
776 else if (conn->peek_msg)
778 *recvd = min( len, conn->peek_len );
779 memcpy( buf, conn->peek_msg, *recvd );
780 conn->peek_len -= *recvd;
781 conn->peek_msg += *recvd;
783 if (conn->peek_len == 0)
785 heap_free( conn->peek_msg_mem );
786 conn->peek_msg_mem = NULL;
787 conn->peek_msg = NULL;
789 /* check if we have enough data from the peek buffer */
790 if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
792 ret = pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
796 /* check if EOF was received */
797 if (!ret && (pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_ZERO_RETURN ||
798 pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_SYSCALL ))
800 netconn_close( conn );
803 if (flags & MSG_PEEK) /* must copy into buffer */
805 conn->peek_len = ret;
808 heap_free( conn->peek_msg_mem );
809 conn->peek_msg_mem = NULL;
810 conn->peek_msg = NULL;
812 else memcpy( conn->peek_msg, buf, ret );
820 if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
822 set_last_error( sock_get_error( errno ) );
828 BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
834 if (!netconn_connected( conn )) return FALSE;
839 *available = pSSL_pending( conn->ssl_conn ) + conn->peek_len;
844 if (!(ret = ioctlsocket( conn->socket, FIONREAD, &unread ))) *available = unread;
849 BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
855 if (!netconn_connected( conn )) return FALSE;
860 while (recvd < *buflen)
863 if (!netconn_recv( conn, &buffer[recvd], 1, 0, &dummy ))
865 set_last_error( ERROR_CONNECTION_ABORTED );
868 if (buffer[recvd] == '\n')
873 if (buffer[recvd] != '\r') recvd++;
879 TRACE("received line %s\n", debugstr_a(buffer));
887 pfd.fd = conn->socket;
889 while (recvd < *buflen)
893 socklen_t len = sizeof(tv);
895 if ((res = getsockopt( conn->socket, SOL_SOCKET, SO_RCVTIMEO, (void*)&tv, &len ) != -1))
896 timeout = tv.tv_sec * 1000 + tv.tv_usec / 1000;
899 if (poll( &pfd, 1, timeout ) > 0)
901 if ((res = recv( conn->socket, &buffer[recvd], 1, 0 )) <= 0)
903 if (res == -1) set_last_error( sock_get_error( errno ) );
906 if (buffer[recvd] == '\n')
911 if (buffer[recvd] != '\r') recvd++;
915 set_last_error( ERROR_WINHTTP_TIMEOUT );
923 TRACE("received line %s\n", debugstr_a(buffer));
928 DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
932 /* value is in milliseconds, convert to struct timeval */
933 tv.tv_sec = value / 1000;
934 tv.tv_usec = (value % 1000) * 1000;
936 if (setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1)
938 WARN("setsockopt failed (%s)\n", strerror( errno ));
939 return sock_get_error( errno );
941 return ERROR_SUCCESS;
944 static DWORD resolve_hostname( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len )
947 #ifdef HAVE_GETADDRINFO
948 struct addrinfo *res, hints;
952 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
955 if (!(hostname = strdupWA( hostnameW ))) return ERROR_OUTOFMEMORY;
957 #ifdef HAVE_GETADDRINFO
958 memset( &hints, 0, sizeof(struct addrinfo) );
959 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
960 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
962 hints.ai_family = AF_INET;
964 ret = getaddrinfo( hostname, NULL, &hints, &res );
967 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret));
968 hints.ai_family = AF_INET6;
969 ret = getaddrinfo( hostname, NULL, &hints, &res );
972 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret));
973 heap_free( hostname );
974 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
977 heap_free( hostname );
978 if (*sa_len < res->ai_addrlen)
980 WARN("address too small\n");
982 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
984 *sa_len = res->ai_addrlen;
985 memcpy( sa, res->ai_addr, res->ai_addrlen );
987 switch (res->ai_family)
990 ((struct sockaddr_in *)sa)->sin_port = htons( port );
993 ((struct sockaddr_in6 *)sa)->sin6_port = htons( port );
998 return ERROR_SUCCESS;
1000 EnterCriticalSection( &cs_gethostbyname );
1002 he = gethostbyname( hostname );
1003 heap_free( hostname );
1006 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno);
1007 LeaveCriticalSection( &cs_gethostbyname );
1008 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
1010 if (*sa_len < sizeof(struct sockaddr_in))
1012 WARN("address too small\n");
1013 LeaveCriticalSection( &cs_gethostbyname );
1014 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
1016 *sa_len = sizeof(struct sockaddr_in);
1017 memset( sa, 0, sizeof(struct sockaddr_in) );
1018 memcpy( &sin->sin_addr, he->h_addr, he->h_length );
1019 sin->sin_family = he->h_addrtype;
1020 sin->sin_port = htons( port );
1022 LeaveCriticalSection( &cs_gethostbyname );
1023 return ERROR_SUCCESS;
1031 struct sockaddr *sa;
1035 static DWORD CALLBACK resolve_proc( LPVOID arg )
1037 struct resolve_args *ra = arg;
1038 return resolve_hostname( ra->hostname, ra->port, ra->sa, ra->sa_len );
1041 BOOL netconn_resolve( WCHAR *hostname, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len, int timeout )
1049 struct resolve_args ra;
1051 ra.hostname = hostname;
1056 thread = CreateThread( NULL, 0, resolve_proc, &ra, 0, NULL );
1057 if (!thread) return FALSE;
1059 status = WaitForSingleObject( thread, timeout );
1060 if (status == WAIT_OBJECT_0) GetExitCodeThread( thread, &ret );
1061 else ret = ERROR_WINHTTP_TIMEOUT;
1062 CloseHandle( thread );
1064 else ret = resolve_hostname( hostname, port, sa, sa_len );
1068 set_last_error( ret );
1074 const void *netconn_get_certificate( netconn_t *conn )
1076 #ifdef SONAME_LIBSSL
1078 const CERT_CONTEXT *ret;
1080 if (!conn->secure) return NULL;
1082 if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
1083 ret = X509_to_cert_context( cert );
1090 int netconn_get_cipher_strength( netconn_t *conn )
1092 #ifdef SONAME_LIBSSL
1093 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f)
1094 const SSL_CIPHER *cipher;
1100 if (!conn->secure) return 0;
1101 if (!(cipher = pSSL_get_current_cipher( conn->ssl_conn ))) return 0;
1102 pSSL_CIPHER_get_bits( cipher, &bits );