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( i2d_X509 );
138 MAKE_FUNCPTR( sk_value );
139 MAKE_FUNCPTR( sk_num );
142 static CRITICAL_SECTION *ssl_locks;
143 static unsigned int num_ssl_locks;
145 static unsigned long ssl_thread_id(void)
147 return GetCurrentThreadId();
150 static void ssl_lock_callback(int mode, int type, const char *file, int line)
152 if (mode & CRYPTO_LOCK)
153 EnterCriticalSection( &ssl_locks[type] );
155 LeaveCriticalSection( &ssl_locks[type] );
160 /* translate a unix error code into a winsock error code */
161 static int sock_get_error( int err )
163 #if !defined(__MINGW32__) && !defined (_MSC_VER)
166 case EINTR: return WSAEINTR;
167 case EBADF: return WSAEBADF;
169 case EACCES: return WSAEACCES;
170 case EFAULT: return WSAEFAULT;
171 case EINVAL: return WSAEINVAL;
172 case EMFILE: return WSAEMFILE;
173 case EWOULDBLOCK: return WSAEWOULDBLOCK;
174 case EINPROGRESS: return WSAEINPROGRESS;
175 case EALREADY: return WSAEALREADY;
176 case ENOTSOCK: return WSAENOTSOCK;
177 case EDESTADDRREQ: return WSAEDESTADDRREQ;
178 case EMSGSIZE: return WSAEMSGSIZE;
179 case EPROTOTYPE: return WSAEPROTOTYPE;
180 case ENOPROTOOPT: return WSAENOPROTOOPT;
181 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
182 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
183 case EOPNOTSUPP: return WSAEOPNOTSUPP;
184 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
185 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
186 case EADDRINUSE: return WSAEADDRINUSE;
187 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
188 case ENETDOWN: return WSAENETDOWN;
189 case ENETUNREACH: return WSAENETUNREACH;
190 case ENETRESET: return WSAENETRESET;
191 case ECONNABORTED: return WSAECONNABORTED;
193 case ECONNRESET: return WSAECONNRESET;
194 case ENOBUFS: return WSAENOBUFS;
195 case EISCONN: return WSAEISCONN;
196 case ENOTCONN: return WSAENOTCONN;
197 case ESHUTDOWN: return WSAESHUTDOWN;
198 case ETOOMANYREFS: return WSAETOOMANYREFS;
199 case ETIMEDOUT: return WSAETIMEDOUT;
200 case ECONNREFUSED: return WSAECONNREFUSED;
201 case ELOOP: return WSAELOOP;
202 case ENAMETOOLONG: return WSAENAMETOOLONG;
203 case EHOSTDOWN: return WSAEHOSTDOWN;
204 case EHOSTUNREACH: return WSAEHOSTUNREACH;
205 case ENOTEMPTY: return WSAENOTEMPTY;
207 case EPROCLIM: return WSAEPROCLIM;
210 case EUSERS: return WSAEUSERS;
213 case EDQUOT: return WSAEDQUOT;
216 case ESTALE: return WSAESTALE;
219 case EREMOTE: return WSAEREMOTE;
221 default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
228 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
230 unsigned char *buffer, *p;
236 if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
238 * SSL 0.9.7 and above malloc the buffer if it is null.
239 * however earlier version do not and so we would need to alloc the buffer.
241 * see the i2d_X509 man page for more details.
245 if (!(buffer = heap_alloc( len ))) return NULL;
247 len = pi2d_X509( cert, &p );
255 ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
257 if (malloc) free( buffer );
258 else heap_free( buffer );
263 static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
264 WCHAR *server, DWORD security_flags )
267 CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
268 PCCERT_CHAIN_CONTEXT chain;
269 char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
270 char *server_auth[] = { oid_server_auth };
271 DWORD err = ERROR_SUCCESS;
273 TRACE("verifying %s\n", debugstr_w( server ));
274 chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
275 chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
276 if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara,
277 CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT,
280 if (chain->TrustStatus.dwErrorStatus)
282 static const DWORD supportedErrors =
283 CERT_TRUST_IS_NOT_TIME_VALID |
284 CERT_TRUST_IS_UNTRUSTED_ROOT |
285 CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
287 if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
289 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID))
290 err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID;
292 else if (chain->TrustStatus.dwErrorStatus &
293 CERT_TRUST_IS_UNTRUSTED_ROOT)
295 if (!(security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA))
296 err = ERROR_WINHTTP_SECURE_INVALID_CA;
298 else if ((chain->TrustStatus.dwErrorStatus &
299 CERT_TRUST_IS_OFFLINE_REVOCATION) ||
300 (chain->TrustStatus.dwErrorStatus &
301 CERT_TRUST_REVOCATION_STATUS_UNKNOWN))
302 err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED;
303 else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED)
304 err = ERROR_WINHTTP_SECURE_CERT_REVOKED;
305 else if (chain->TrustStatus.dwErrorStatus &
306 CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
308 if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE))
309 err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE;
311 else if (chain->TrustStatus.dwErrorStatus & ~supportedErrors)
312 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
316 CERT_CHAIN_POLICY_PARA policyPara;
317 SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
318 CERT_CHAIN_POLICY_STATUS policyStatus;
319 CERT_CHAIN_CONTEXT chainCopy;
321 /* Clear chain->TrustStatus.dwErrorStatus so
322 * CertVerifyCertificateChainPolicy will verify additional checks
323 * rather than stopping with an existing, ignored error.
325 memcpy(&chainCopy, chain, sizeof(chainCopy));
326 chainCopy.TrustStatus.dwErrorStatus = 0;
327 sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
328 sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
329 sslExtraPolicyPara.pwszServerName = server;
330 sslExtraPolicyPara.fdwChecks = security_flags;
331 policyPara.cbSize = sizeof(policyPara);
332 policyPara.dwFlags = 0;
333 policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
334 ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL,
335 &chainCopy, &policyPara,
337 /* Any error in the policy status indicates that the
338 * policy couldn't be verified.
340 if (ret && policyStatus.dwError)
342 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
343 err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID;
345 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
348 CertFreeCertificateChain( chain );
351 err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
352 TRACE("returning %08x\n", err);
356 static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
362 HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
363 CERT_STORE_CREATE_NEW_FLAG, NULL );
365 ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
366 server = pSSL_get_ex_data( ssl, hostname_idx );
367 conn = pSSL_get_ex_data( ssl, conn_idx );
372 PCCERT_CONTEXT endCert = NULL;
375 for (i = 0; ret && i < psk_num((struct stack_st *)ctx->chain); i++)
377 PCCERT_CONTEXT context;
379 cert = (X509 *)psk_value((struct stack_st *)ctx->chain, i);
380 if ((context = X509_to_cert_context( cert )))
383 ret = CertAddCertificateContextToStore( store, context,
384 CERT_STORE_ADD_ALWAYS, &endCert );
386 ret = CertAddCertificateContextToStore( store, context,
387 CERT_STORE_ADD_ALWAYS, NULL );
388 CertFreeCertificateContext( context );
391 if (!endCert) ret = FALSE;
394 DWORD_PTR err = netconn_verify_cert( endCert, store, server,
395 conn->security_flags );
399 pSSL_set_ex_data( ssl, error_idx, (void *)err );
403 CertFreeCertificateContext( endCert );
404 CertCloseStore( store, 0 );
410 BOOL netconn_init( netconn_t *conn, BOOL secure )
412 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
417 if (!secure) return TRUE;
419 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
420 EnterCriticalSection( &init_ssl_cs );
423 LeaveCriticalSection( &init_ssl_cs );
426 if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
428 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
429 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
430 LeaveCriticalSection( &init_ssl_cs );
433 if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
435 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
436 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
437 LeaveCriticalSection( &init_ssl_cs );
440 #define LOAD_FUNCPTR(x) \
441 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
443 ERR("Failed to load symbol %s\n", #x); \
444 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
445 LeaveCriticalSection( &init_ssl_cs ); \
448 LOAD_FUNCPTR( SSL_library_init );
449 LOAD_FUNCPTR( SSL_load_error_strings );
450 LOAD_FUNCPTR( SSLv23_method );
451 LOAD_FUNCPTR( SSL_CTX_free );
452 LOAD_FUNCPTR( SSL_CTX_new );
453 LOAD_FUNCPTR( SSL_new );
454 LOAD_FUNCPTR( SSL_free );
455 LOAD_FUNCPTR( SSL_set_fd );
456 LOAD_FUNCPTR( SSL_connect );
457 LOAD_FUNCPTR( SSL_shutdown );
458 LOAD_FUNCPTR( SSL_write );
459 LOAD_FUNCPTR( SSL_read );
460 LOAD_FUNCPTR( SSL_get_error );
461 LOAD_FUNCPTR( SSL_get_ex_new_index );
462 LOAD_FUNCPTR( SSL_get_ex_data );
463 LOAD_FUNCPTR( SSL_set_ex_data );
464 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
465 LOAD_FUNCPTR( SSL_get_peer_certificate );
466 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
467 LOAD_FUNCPTR( SSL_CTX_set_verify );
468 LOAD_FUNCPTR( SSL_get_current_cipher );
469 LOAD_FUNCPTR( SSL_CIPHER_get_bits );
472 #define LOAD_FUNCPTR(x) \
473 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
475 ERR("Failed to load symbol %s\n", #x); \
476 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
477 LeaveCriticalSection( &init_ssl_cs ); \
480 LOAD_FUNCPTR( CRYPTO_num_locks );
481 LOAD_FUNCPTR( CRYPTO_set_id_callback );
482 LOAD_FUNCPTR( CRYPTO_set_locking_callback );
483 LOAD_FUNCPTR( ERR_free_strings );
484 LOAD_FUNCPTR( ERR_get_error );
485 LOAD_FUNCPTR( ERR_error_string );
486 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
487 LOAD_FUNCPTR( i2d_X509 );
488 LOAD_FUNCPTR( sk_value );
489 LOAD_FUNCPTR( sk_num );
493 pSSL_load_error_strings();
495 method = pSSLv23_method();
496 ctx = pSSL_CTX_new( method );
497 if (!pSSL_CTX_set_default_verify_paths( ctx ))
499 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
500 set_last_error( ERROR_OUTOFMEMORY );
501 LeaveCriticalSection( &init_ssl_cs );
504 hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
505 if (hostname_idx == -1)
507 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
508 set_last_error( ERROR_OUTOFMEMORY );
509 LeaveCriticalSection( &init_ssl_cs );
512 error_idx = pSSL_get_ex_new_index( 0, (void *)"error index", NULL, NULL, NULL );
515 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
516 set_last_error( ERROR_OUTOFMEMORY );
517 LeaveCriticalSection( &init_ssl_cs );
520 conn_idx = pSSL_get_ex_new_index( 0, (void *)"netconn index", NULL, NULL, NULL );
523 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
524 set_last_error( ERROR_OUTOFMEMORY );
525 LeaveCriticalSection( &init_ssl_cs );
528 pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
530 pCRYPTO_set_id_callback(ssl_thread_id);
531 num_ssl_locks = pCRYPTO_num_locks();
532 ssl_locks = HeapAlloc(GetProcessHeap(), 0, num_ssl_locks * sizeof(CRITICAL_SECTION));
535 set_last_error( ERROR_OUTOFMEMORY );
536 LeaveCriticalSection( &init_ssl_cs );
539 for (i = 0; i < num_ssl_locks; i++) InitializeCriticalSection( &ssl_locks[i] );
540 pCRYPTO_set_locking_callback(ssl_lock_callback);
542 LeaveCriticalSection( &init_ssl_cs );
544 WARN("SSL support not compiled in.\n");
545 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
551 void netconn_unload( void )
553 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
554 if (libcrypto_handle)
557 wine_dlclose( libcrypto_handle, NULL, 0 );
562 pSSL_CTX_free( ctx );
563 wine_dlclose( libssl_handle, NULL, 0 );
568 for (i = 0; i < num_ssl_locks; i++) DeleteCriticalSection( &ssl_locks[i] );
569 HeapFree( GetProcessHeap(), 0, ssl_locks );
574 BOOL netconn_connected( netconn_t *conn )
576 return (conn->socket != -1);
579 BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
581 if ((conn->socket = socket( domain, type, protocol )) == -1)
583 WARN("unable to create socket (%s)\n", strerror(errno));
584 set_last_error( sock_get_error( errno ) );
590 BOOL netconn_close( netconn_t *conn )
597 heap_free( conn->peek_msg_mem );
598 conn->peek_msg_mem = NULL;
599 conn->peek_msg = NULL;
602 pSSL_shutdown( conn->ssl_conn );
603 pSSL_free( conn->ssl_conn );
605 conn->ssl_conn = NULL;
606 conn->secure = FALSE;
609 res = closesocket( conn->socket );
613 set_last_error( sock_get_error( errno ) );
619 BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len, int timeout )
627 ioctlsocket( conn->socket, FIONBIO, &state );
629 if (connect( conn->socket, sockaddr, addr_len ) < 0)
631 res = sock_get_error( errno );
632 if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS)
636 pfd.fd = conn->socket;
637 pfd.events = POLLOUT;
638 if (poll( &pfd, 1, timeout ) > 0)
641 res = sock_get_error( errno );
649 ioctlsocket( conn->socket, FIONBIO, &state );
653 WARN("unable to connect to host (%d)\n", res);
654 set_last_error( res );
659 BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
662 if (!(conn->ssl_conn = pSSL_new( ctx )))
664 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
665 set_last_error( ERROR_OUTOFMEMORY );
668 if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
670 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
671 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
674 if (!pSSL_set_ex_data( conn->ssl_conn, conn_idx, conn ))
676 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
677 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
680 if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
682 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
683 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
686 if (pSSL_connect( conn->ssl_conn ) <= 0)
690 err = (DWORD_PTR)pSSL_get_ex_data( conn->ssl_conn, error_idx );
691 if (!err) err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR;
692 ERR("couldn't verify server certificate (%d)\n", err);
693 set_last_error( err );
696 TRACE("established SSL connection\n");
703 pSSL_shutdown( conn->ssl_conn );
704 pSSL_free( conn->ssl_conn );
705 conn->ssl_conn = NULL;
711 BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
713 if (!netconn_connected( conn )) return FALSE;
717 if (flags) FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
718 *sent = pSSL_write( conn->ssl_conn, msg, len );
719 if (*sent < 1 && len) return FALSE;
725 if ((*sent = send( conn->socket, msg, len, flags )) == -1)
727 set_last_error( sock_get_error( errno ) );
733 BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
738 if (!netconn_connected( conn )) return FALSE;
739 if (!len) return TRUE;
744 if (flags & ~(MSG_PEEK | MSG_WAITALL))
745 FIXME("SSL_read does not support the following flags: %08x\n", flags);
747 /* this ugly hack is all for MSG_PEEK */
748 if (flags & MSG_PEEK && !conn->peek_msg)
750 if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
752 else if (flags & MSG_PEEK && conn->peek_msg)
754 if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
755 *recvd = min( len, conn->peek_len );
756 memcpy( buf, conn->peek_msg, *recvd );
759 else if (conn->peek_msg)
761 *recvd = min( len, conn->peek_len );
762 memcpy( buf, conn->peek_msg, *recvd );
763 conn->peek_len -= *recvd;
764 conn->peek_msg += *recvd;
766 if (conn->peek_len == 0)
768 heap_free( conn->peek_msg_mem );
769 conn->peek_msg_mem = NULL;
770 conn->peek_msg = NULL;
772 /* check if we have enough data from the peek buffer */
773 if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
775 ret = pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
779 /* check if EOF was received */
780 if (!ret && (pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_ZERO_RETURN ||
781 pSSL_get_error( conn->ssl_conn, ret ) == SSL_ERROR_SYSCALL ))
783 netconn_close( conn );
786 if (flags & MSG_PEEK) /* must copy into buffer */
788 conn->peek_len = ret;
791 heap_free( conn->peek_msg_mem );
792 conn->peek_msg_mem = NULL;
793 conn->peek_msg = NULL;
795 else memcpy( conn->peek_msg, buf, ret );
803 if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
805 set_last_error( sock_get_error( errno ) );
811 BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
817 if (!netconn_connected( conn )) return FALSE;
822 if (conn->peek_msg) *available = conn->peek_len;
827 if (!(ret = ioctlsocket( conn->socket, FIONREAD, &unread ))) *available = unread;
832 BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
838 if (!netconn_connected( conn )) return FALSE;
843 while (recvd < *buflen)
846 if (!netconn_recv( conn, &buffer[recvd], 1, 0, &dummy ))
848 set_last_error( ERROR_CONNECTION_ABORTED );
851 if (buffer[recvd] == '\n')
856 if (buffer[recvd] != '\r') recvd++;
862 TRACE("received line %s\n", debugstr_a(buffer));
870 pfd.fd = conn->socket;
872 while (recvd < *buflen)
876 socklen_t len = sizeof(tv);
878 if ((res = getsockopt( conn->socket, SOL_SOCKET, SO_RCVTIMEO, (void*)&tv, &len ) != -1))
879 timeout = tv.tv_sec * 1000 + tv.tv_usec / 1000;
882 if (poll( &pfd, 1, timeout ) > 0)
884 if ((res = recv( conn->socket, &buffer[recvd], 1, 0 )) <= 0)
886 if (res == -1) set_last_error( sock_get_error( errno ) );
889 if (buffer[recvd] == '\n')
894 if (buffer[recvd] != '\r') recvd++;
898 set_last_error( ERROR_WINHTTP_TIMEOUT );
906 TRACE("received line %s\n", debugstr_a(buffer));
911 DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
916 /* value is in milliseconds, convert to struct timeval */
917 tv.tv_sec = value / 1000;
918 tv.tv_usec = (value % 1000) * 1000;
920 if ((res = setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1))
922 WARN("setsockopt failed (%s)\n", strerror( errno ));
923 return sock_get_error( errno );
925 return ERROR_SUCCESS;
928 static DWORD resolve_hostname( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len )
931 #ifdef HAVE_GETADDRINFO
932 struct addrinfo *res, hints;
936 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
939 if (!(hostname = strdupWA( hostnameW ))) return ERROR_OUTOFMEMORY;
941 #ifdef HAVE_GETADDRINFO
942 memset( &hints, 0, sizeof(struct addrinfo) );
943 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
944 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
946 hints.ai_family = AF_INET;
948 ret = getaddrinfo( hostname, NULL, &hints, &res );
951 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret));
952 hints.ai_family = AF_INET6;
953 ret = getaddrinfo( hostname, NULL, &hints, &res );
956 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret));
957 heap_free( hostname );
958 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
961 heap_free( hostname );
962 if (*sa_len < res->ai_addrlen)
964 WARN("address too small\n");
966 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
968 *sa_len = res->ai_addrlen;
969 memcpy( sa, res->ai_addr, res->ai_addrlen );
971 switch (res->ai_family)
974 ((struct sockaddr_in *)sa)->sin_port = htons( port );
977 ((struct sockaddr_in6 *)sa)->sin6_port = htons( port );
982 return ERROR_SUCCESS;
984 EnterCriticalSection( &cs_gethostbyname );
986 he = gethostbyname( hostname );
987 heap_free( hostname );
990 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno);
991 LeaveCriticalSection( &cs_gethostbyname );
992 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
994 if (*sa_len < sizeof(struct sockaddr_in))
996 WARN("address too small\n");
997 LeaveCriticalSection( &cs_gethostbyname );
998 return ERROR_WINHTTP_NAME_NOT_RESOLVED;
1000 *sa_len = sizeof(struct sockaddr_in);
1001 memset( sa, 0, sizeof(struct sockaddr_in) );
1002 memcpy( &sin->sin_addr, he->h_addr, he->h_length );
1003 sin->sin_family = he->h_addrtype;
1004 sin->sin_port = htons( port );
1006 LeaveCriticalSection( &cs_gethostbyname );
1007 return ERROR_SUCCESS;
1015 struct sockaddr *sa;
1019 static DWORD CALLBACK resolve_proc( LPVOID arg )
1021 struct resolve_args *ra = arg;
1022 return resolve_hostname( ra->hostname, ra->port, ra->sa, ra->sa_len );
1025 BOOL netconn_resolve( WCHAR *hostname, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len, int timeout )
1033 struct resolve_args ra;
1035 ra.hostname = hostname;
1040 thread = CreateThread( NULL, 0, resolve_proc, &ra, 0, NULL );
1041 if (!thread) return FALSE;
1043 status = WaitForSingleObject( thread, timeout );
1044 if (status == WAIT_OBJECT_0) GetExitCodeThread( thread, &ret );
1045 else ret = ERROR_WINHTTP_TIMEOUT;
1046 CloseHandle( thread );
1048 else ret = resolve_hostname( hostname, port, sa, sa_len );
1052 set_last_error( ret );
1058 const void *netconn_get_certificate( netconn_t *conn )
1060 #ifdef SONAME_LIBSSL
1062 const CERT_CONTEXT *ret;
1064 if (!conn->secure) return NULL;
1066 if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
1067 ret = X509_to_cert_context( cert );
1074 int netconn_get_cipher_strength( netconn_t *conn )
1076 #ifdef SONAME_LIBSSL
1077 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f)
1078 const SSL_CIPHER *cipher;
1084 if (!conn->secure) return 0;
1085 if (!(cipher = pSSL_get_current_cipher( conn->ssl_conn ))) return 0;
1086 pSSL_CIPHER_get_bits( cipher, &bits );