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>
45 #include "wine/debug.h"
46 #include "wine/library.h"
53 #include "winhttp_private.h"
55 /* to avoid conflicts with the Unix socket headers */
59 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
61 #ifndef HAVE_GETADDRINFO
63 /* critical section to protect non-reentrant gethostbyname() */
64 static CRITICAL_SECTION cs_gethostbyname;
65 static CRITICAL_SECTION_DEBUG critsect_debug =
67 0, 0, &cs_gethostbyname,
68 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
69 0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
71 static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
77 #include <openssl/err.h>
79 static CRITICAL_SECTION init_ssl_cs;
80 static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
83 { &init_ssl_cs_debug.ProcessLocksList,
84 &init_ssl_cs_debug.ProcessLocksList },
85 0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
87 static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
89 static void *libssl_handle;
90 static void *libcrypto_handle;
92 static SSL_METHOD *method;
94 static int hostname_idx;
96 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
98 MAKE_FUNCPTR( SSL_library_init );
99 MAKE_FUNCPTR( SSL_load_error_strings );
100 MAKE_FUNCPTR( SSLv23_method );
101 MAKE_FUNCPTR( SSL_CTX_free );
102 MAKE_FUNCPTR( SSL_CTX_new );
103 MAKE_FUNCPTR( SSL_new );
104 MAKE_FUNCPTR( SSL_free );
105 MAKE_FUNCPTR( SSL_set_fd );
106 MAKE_FUNCPTR( SSL_connect );
107 MAKE_FUNCPTR( SSL_shutdown );
108 MAKE_FUNCPTR( SSL_write );
109 MAKE_FUNCPTR( SSL_read );
110 MAKE_FUNCPTR( SSL_get_ex_new_index );
111 MAKE_FUNCPTR( SSL_get_ex_data );
112 MAKE_FUNCPTR( SSL_set_ex_data );
113 MAKE_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
114 MAKE_FUNCPTR( SSL_get_verify_result );
115 MAKE_FUNCPTR( SSL_get_peer_certificate );
116 MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths );
117 MAKE_FUNCPTR( SSL_CTX_set_verify );
118 MAKE_FUNCPTR( X509_STORE_CTX_get_ex_data );
120 MAKE_FUNCPTR( BIO_new_fp );
121 MAKE_FUNCPTR( CRYPTO_num_locks );
122 MAKE_FUNCPTR( CRYPTO_set_id_callback );
123 MAKE_FUNCPTR( CRYPTO_set_locking_callback );
124 MAKE_FUNCPTR( ERR_get_error );
125 MAKE_FUNCPTR( ERR_error_string );
126 MAKE_FUNCPTR( i2d_X509 );
129 static CRITICAL_SECTION *ssl_locks;
130 static unsigned int num_ssl_locks;
132 static unsigned long ssl_thread_id(void)
134 return GetCurrentThreadId();
137 static void ssl_lock_callback(int mode, int type, const char *file, int line)
139 if (mode & CRYPTO_LOCK)
140 EnterCriticalSection( &ssl_locks[type] );
142 LeaveCriticalSection( &ssl_locks[type] );
147 /* translate a unix error code into a winsock error code */
148 static int sock_get_error( int err )
150 #if !defined(__MINGW32__) && !defined (_MSC_VER)
153 case EINTR: return WSAEINTR;
154 case EBADF: return WSAEBADF;
156 case EACCES: return WSAEACCES;
157 case EFAULT: return WSAEFAULT;
158 case EINVAL: return WSAEINVAL;
159 case EMFILE: return WSAEMFILE;
160 case EWOULDBLOCK: return WSAEWOULDBLOCK;
161 case EINPROGRESS: return WSAEINPROGRESS;
162 case EALREADY: return WSAEALREADY;
163 case ENOTSOCK: return WSAENOTSOCK;
164 case EDESTADDRREQ: return WSAEDESTADDRREQ;
165 case EMSGSIZE: return WSAEMSGSIZE;
166 case EPROTOTYPE: return WSAEPROTOTYPE;
167 case ENOPROTOOPT: return WSAENOPROTOOPT;
168 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
169 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
170 case EOPNOTSUPP: return WSAEOPNOTSUPP;
171 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
172 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
173 case EADDRINUSE: return WSAEADDRINUSE;
174 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
175 case ENETDOWN: return WSAENETDOWN;
176 case ENETUNREACH: return WSAENETUNREACH;
177 case ENETRESET: return WSAENETRESET;
178 case ECONNABORTED: return WSAECONNABORTED;
180 case ECONNRESET: return WSAECONNRESET;
181 case ENOBUFS: return WSAENOBUFS;
182 case EISCONN: return WSAEISCONN;
183 case ENOTCONN: return WSAENOTCONN;
184 case ESHUTDOWN: return WSAESHUTDOWN;
185 case ETOOMANYREFS: return WSAETOOMANYREFS;
186 case ETIMEDOUT: return WSAETIMEDOUT;
187 case ECONNREFUSED: return WSAECONNREFUSED;
188 case ELOOP: return WSAELOOP;
189 case ENAMETOOLONG: return WSAENAMETOOLONG;
190 case EHOSTDOWN: return WSAEHOSTDOWN;
191 case EHOSTUNREACH: return WSAEHOSTUNREACH;
192 case ENOTEMPTY: return WSAENOTEMPTY;
194 case EPROCLIM: return WSAEPROCLIM;
197 case EUSERS: return WSAEUSERS;
200 case EDQUOT: return WSAEDQUOT;
203 case ESTALE: return WSAESTALE;
206 case EREMOTE: return WSAEREMOTE;
208 default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
215 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
217 unsigned char *buffer, *p;
223 if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
225 * SSL 0.9.7 and above malloc the buffer if it is null.
226 * however earlier version do not and so we would need to alloc the buffer.
228 * see the i2d_X509 man page for more details.
232 if (!(buffer = heap_alloc( len ))) return NULL;
234 len = pi2d_X509( cert, &p );
242 ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
244 if (malloc) free( buffer );
245 else heap_free( buffer );
250 static BOOL netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
254 CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
255 PCCERT_CHAIN_CONTEXT chain;
256 char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
257 char *server_auth[] = { oid_server_auth };
260 TRACE("verifying %s\n", debugstr_w( server ));
261 chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
262 chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
263 if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara, 0,
266 if (chain->TrustStatus.dwErrorStatus)
268 if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
269 err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID;
270 else if (chain->TrustStatus.dwErrorStatus &
271 CERT_TRUST_IS_UNTRUSTED_ROOT)
272 err = ERROR_WINHTTP_SECURE_INVALID_CA;
273 else if ((chain->TrustStatus.dwErrorStatus &
274 CERT_TRUST_IS_OFFLINE_REVOCATION) ||
275 (chain->TrustStatus.dwErrorStatus &
276 CERT_TRUST_REVOCATION_STATUS_UNKNOWN))
277 err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED;
278 else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED)
279 err = ERROR_WINHTTP_SECURE_CERT_REVOKED;
280 else if (chain->TrustStatus.dwErrorStatus &
281 CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
282 err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE;
284 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
285 set_last_error( err );
290 CERT_CHAIN_POLICY_PARA policyPara;
291 SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
292 CERT_CHAIN_POLICY_STATUS policyStatus;
294 sslExtraPolicyPara.cbSize = sizeof(sslExtraPolicyPara);
295 sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
296 sslExtraPolicyPara.pwszServerName = server;
297 policyPara.cbSize = sizeof(policyPara);
298 policyPara.dwFlags = 0;
299 policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
300 ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL,
303 /* Any error in the policy status indicates that the
304 * policy couldn't be verified.
306 if (ret && policyStatus.dwError)
308 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
309 err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID;
311 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
312 set_last_error( err );
316 CertFreeCertificateChain( chain );
318 TRACE("returning %d\n", ret);
322 static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
328 ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
329 server = pSSL_get_ex_data( ssl, hostname_idx );
332 HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
333 CERT_STORE_CREATE_NEW_FLAG, NULL );
339 PCCERT_CONTEXT endCert = NULL;
342 for (i = 0; ret && i < ctx->chain->num; i++)
344 PCCERT_CONTEXT context;
346 cert = (X509 *)ctx->chain->data[i];
347 if ((context = X509_to_cert_context( cert )))
350 ret = CertAddCertificateContextToStore( store, context,
351 CERT_STORE_ADD_ALWAYS, &endCert );
353 ret = CertAddCertificateContextToStore( store, context,
354 CERT_STORE_ADD_ALWAYS, NULL );
355 CertFreeCertificateContext( context );
359 ret = netconn_verify_cert( endCert, store, server );
360 CertFreeCertificateContext( endCert );
361 CertCloseStore( store, 0 );
368 BOOL netconn_init( netconn_t *conn, BOOL secure )
370 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
375 if (!secure) return TRUE;
377 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
378 EnterCriticalSection( &init_ssl_cs );
381 LeaveCriticalSection( &init_ssl_cs );
384 if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
386 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
387 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
388 LeaveCriticalSection( &init_ssl_cs );
391 if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
393 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
394 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
395 LeaveCriticalSection( &init_ssl_cs );
398 #define LOAD_FUNCPTR(x) \
399 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
401 ERR("Failed to load symbol %s\n", #x); \
402 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
403 LeaveCriticalSection( &init_ssl_cs ); \
406 LOAD_FUNCPTR( SSL_library_init );
407 LOAD_FUNCPTR( SSL_load_error_strings );
408 LOAD_FUNCPTR( SSLv23_method );
409 LOAD_FUNCPTR( SSL_CTX_free );
410 LOAD_FUNCPTR( SSL_CTX_new );
411 LOAD_FUNCPTR( SSL_new );
412 LOAD_FUNCPTR( SSL_free );
413 LOAD_FUNCPTR( SSL_set_fd );
414 LOAD_FUNCPTR( SSL_connect );
415 LOAD_FUNCPTR( SSL_shutdown );
416 LOAD_FUNCPTR( SSL_write );
417 LOAD_FUNCPTR( SSL_read );
418 LOAD_FUNCPTR( SSL_get_ex_new_index );
419 LOAD_FUNCPTR( SSL_get_ex_data );
420 LOAD_FUNCPTR( SSL_set_ex_data );
421 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
422 LOAD_FUNCPTR( SSL_get_verify_result );
423 LOAD_FUNCPTR( SSL_get_peer_certificate );
424 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
425 LOAD_FUNCPTR( SSL_CTX_set_verify );
426 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
429 #define LOAD_FUNCPTR(x) \
430 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
432 ERR("Failed to load symbol %s\n", #x); \
433 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
434 LeaveCriticalSection( &init_ssl_cs ); \
437 LOAD_FUNCPTR( BIO_new_fp );
438 LOAD_FUNCPTR( CRYPTO_num_locks );
439 LOAD_FUNCPTR( CRYPTO_set_id_callback );
440 LOAD_FUNCPTR( CRYPTO_set_locking_callback );
441 LOAD_FUNCPTR( ERR_get_error );
442 LOAD_FUNCPTR( ERR_error_string );
443 LOAD_FUNCPTR( i2d_X509 );
447 pSSL_load_error_strings();
448 pBIO_new_fp( stderr, BIO_NOCLOSE );
450 method = pSSLv23_method();
451 ctx = pSSL_CTX_new( method );
452 if (!pSSL_CTX_set_default_verify_paths( ctx ))
454 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
455 set_last_error( ERROR_OUTOFMEMORY );
456 LeaveCriticalSection( &init_ssl_cs );
459 hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
460 if (hostname_idx == -1)
462 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
463 set_last_error( ERROR_OUTOFMEMORY );
464 LeaveCriticalSection( &init_ssl_cs );
467 pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
469 pCRYPTO_set_id_callback(ssl_thread_id);
470 num_ssl_locks = pCRYPTO_num_locks();
471 ssl_locks = HeapAlloc(GetProcessHeap(), 0, num_ssl_locks * sizeof(CRITICAL_SECTION));
474 set_last_error( ERROR_OUTOFMEMORY );
475 LeaveCriticalSection( &init_ssl_cs );
478 for (i = 0; i < num_ssl_locks; i++) InitializeCriticalSection( &ssl_locks[i] );
479 pCRYPTO_set_locking_callback(ssl_lock_callback);
481 LeaveCriticalSection( &init_ssl_cs );
483 WARN("SSL support not compiled in.\n");
484 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
490 void netconn_unload( void )
492 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
493 if (libcrypto_handle)
495 wine_dlclose( libcrypto_handle, NULL, 0 );
500 pSSL_CTX_free( ctx );
501 wine_dlclose( libssl_handle, NULL, 0 );
506 for (i = 0; i < num_ssl_locks; i++) DeleteCriticalSection( &ssl_locks[i] );
507 HeapFree( GetProcessHeap(), 0, ssl_locks );
512 BOOL netconn_connected( netconn_t *conn )
514 return (conn->socket != -1);
517 BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
519 if ((conn->socket = socket( domain, type, protocol )) == -1)
521 WARN("unable to create socket (%s)\n", strerror(errno));
522 set_last_error( sock_get_error( errno ) );
528 BOOL netconn_close( netconn_t *conn )
535 heap_free( conn->peek_msg_mem );
536 conn->peek_msg_mem = NULL;
537 conn->peek_msg = NULL;
540 pSSL_shutdown( conn->ssl_conn );
541 pSSL_free( conn->ssl_conn );
543 conn->ssl_conn = NULL;
544 conn->secure = FALSE;
547 res = closesocket( conn->socket );
551 set_last_error( sock_get_error( errno ) );
557 BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len, int timeout )
565 ioctlsocket( conn->socket, FIONBIO, &state );
567 if (connect( conn->socket, sockaddr, addr_len ) < 0)
569 res = sock_get_error( errno );
570 if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS)
574 pfd.fd = conn->socket;
575 pfd.events = POLLOUT;
576 if (poll( &pfd, 1, timeout ) > 0)
579 res = sock_get_error( errno );
587 ioctlsocket( conn->socket, FIONBIO, &state );
591 WARN("unable to connect to host (%d)\n", res);
592 set_last_error( res );
597 BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
602 if (!(conn->ssl_conn = pSSL_new( ctx )))
604 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
605 set_last_error( ERROR_OUTOFMEMORY );
608 if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
610 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
611 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
614 if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
616 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
617 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
620 if (pSSL_connect( conn->ssl_conn ) <= 0)
622 ERR("SSL_connect failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
623 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
626 if ((res = pSSL_get_verify_result( conn->ssl_conn )) != X509_V_OK)
628 /* FIXME: we should set an error and return, but we only print an error at the moment */
629 ERR("couldn't verify server certificate (%ld)\n", res);
631 TRACE("established SSL connection\n");
638 pSSL_shutdown( conn->ssl_conn );
639 pSSL_free( conn->ssl_conn );
640 conn->ssl_conn = NULL;
646 BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
648 if (!netconn_connected( conn )) return FALSE;
652 if (flags) FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
653 *sent = pSSL_write( conn->ssl_conn, msg, len );
654 if (*sent < 1 && len) return FALSE;
660 if ((*sent = send( conn->socket, msg, len, flags )) == -1)
662 set_last_error( sock_get_error( errno ) );
668 BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
671 if (!netconn_connected( conn )) return FALSE;
672 if (!len) return TRUE;
677 if (flags & ~(MSG_PEEK | MSG_WAITALL))
678 FIXME("SSL_read does not support the following flags: %08x\n", flags);
680 /* this ugly hack is all for MSG_PEEK */
681 if (flags & MSG_PEEK && !conn->peek_msg)
683 if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
685 else if (flags & MSG_PEEK && conn->peek_msg)
687 if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
688 *recvd = min( len, conn->peek_len );
689 memcpy( buf, conn->peek_msg, *recvd );
692 else if (conn->peek_msg)
694 *recvd = min( len, conn->peek_len );
695 memcpy( buf, conn->peek_msg, *recvd );
696 conn->peek_len -= *recvd;
697 conn->peek_msg += *recvd;
699 if (conn->peek_len == 0)
701 heap_free( conn->peek_msg_mem );
702 conn->peek_msg_mem = NULL;
703 conn->peek_msg = NULL;
705 /* check if we have enough data from the peek buffer */
706 if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
708 *recvd += pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
709 if (flags & MSG_PEEK) /* must copy into buffer */
711 conn->peek_len = *recvd;
714 heap_free( conn->peek_msg_mem );
715 conn->peek_msg_mem = NULL;
716 conn->peek_msg = NULL;
718 else memcpy( conn->peek_msg, buf, *recvd );
720 if (*recvd < 1 && len) return FALSE;
726 if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
728 set_last_error( sock_get_error( errno ) );
734 BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
740 if (!netconn_connected( conn )) return FALSE;
745 if (conn->peek_msg) *available = conn->peek_len;
750 if (!(ret = ioctlsocket( conn->socket, FIONREAD, &unread ))) *available = unread;
755 BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
761 if (!netconn_connected( conn )) return FALSE;
766 while (recvd < *buflen)
769 if (!netconn_recv( conn, &buffer[recvd], 1, 0, &dummy ))
771 set_last_error( ERROR_CONNECTION_ABORTED );
774 if (buffer[recvd] == '\n')
779 if (buffer[recvd] != '\r') recvd++;
785 TRACE("received line %s\n", debugstr_a(buffer));
793 pfd.fd = conn->socket;
795 while (recvd < *buflen)
799 socklen_t len = sizeof(tv);
801 if ((res = getsockopt( conn->socket, SOL_SOCKET, SO_RCVTIMEO, (void*)&tv, &len ) != -1))
802 timeout = tv.tv_sec * 1000 + tv.tv_usec / 1000;
805 if (poll( &pfd, 1, timeout ) > 0)
807 if ((res = recv( conn->socket, &buffer[recvd], 1, 0 )) <= 0)
809 if (res == -1) set_last_error( sock_get_error( errno ) );
812 if (buffer[recvd] == '\n')
817 if (buffer[recvd] != '\r') recvd++;
821 set_last_error( ERROR_WINHTTP_TIMEOUT );
829 TRACE("received line %s\n", debugstr_a(buffer));
834 DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
839 /* value is in milliseconds, convert to struct timeval */
840 tv.tv_sec = value / 1000;
841 tv.tv_usec = (value % 1000) * 1000;
843 if ((res = setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1))
845 WARN("setsockopt failed (%s)\n", strerror( errno ));
846 return sock_get_error( errno );
848 return ERROR_SUCCESS;
851 BOOL netconn_resolve( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len )
854 #ifdef HAVE_GETADDRINFO
855 struct addrinfo *res, hints;
859 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
862 if (!(hostname = strdupWA( hostnameW ))) return FALSE;
864 #ifdef HAVE_GETADDRINFO
865 memset( &hints, 0, sizeof(struct addrinfo) );
866 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
867 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
869 hints.ai_family = AF_INET;
871 ret = getaddrinfo( hostname, NULL, &hints, &res );
874 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret));
875 hints.ai_family = AF_INET6;
876 ret = getaddrinfo( hostname, NULL, &hints, &res );
879 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret));
880 heap_free( hostname );
884 heap_free( hostname );
885 if (*sa_len < res->ai_addrlen)
887 WARN("address too small\n");
891 *sa_len = res->ai_addrlen;
892 memcpy( sa, res->ai_addr, res->ai_addrlen );
894 switch (res->ai_family)
897 ((struct sockaddr_in *)sa)->sin_port = htons( port );
900 ((struct sockaddr_in6 *)sa)->sin6_port = htons( port );
907 EnterCriticalSection( &cs_gethostbyname );
909 he = gethostbyname( hostname );
910 heap_free( hostname );
913 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno);
914 LeaveCriticalSection( &cs_gethostbyname );
917 if (*sa_len < sizeof(struct sockaddr_in))
919 WARN("address too small\n");
920 LeaveCriticalSection( &cs_gethostbyname );
923 *sa_len = sizeof(struct sockaddr_in);
924 memset( sa, 0, sizeof(struct sockaddr_in) );
925 memcpy( &sin->sin_addr, he->h_addr, he->h_length );
926 sin->sin_family = he->h_addrtype;
927 sin->sin_port = htons( port );
929 LeaveCriticalSection( &cs_gethostbyname );
934 const void *netconn_get_certificate( netconn_t *conn )
938 const CERT_CONTEXT *ret;
940 if (!conn->secure) return NULL;
942 if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
943 ret = X509_to_cert_context( cert );