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 #define NONAMELESSUNION
47 #include "wine/debug.h"
48 #include "wine/library.h"
55 #include "winhttp_private.h"
57 /* to avoid conflicts with the Unix socket headers */
61 WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
63 #ifndef HAVE_GETADDRINFO
65 /* critical section to protect non-reentrant gethostbyname() */
66 static CRITICAL_SECTION cs_gethostbyname;
67 static CRITICAL_SECTION_DEBUG critsect_debug =
69 0, 0, &cs_gethostbyname,
70 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
71 0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
73 static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
79 #include <openssl/err.h>
81 static CRITICAL_SECTION init_ssl_cs;
82 static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
85 { &init_ssl_cs_debug.ProcessLocksList,
86 &init_ssl_cs_debug.ProcessLocksList },
87 0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
89 static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
91 static void *libssl_handle;
92 static void *libcrypto_handle;
94 static SSL_METHOD *method;
96 static int hostname_idx;
98 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
100 MAKE_FUNCPTR( SSL_library_init );
101 MAKE_FUNCPTR( SSL_load_error_strings );
102 MAKE_FUNCPTR( SSLv23_method );
103 MAKE_FUNCPTR( SSL_CTX_free );
104 MAKE_FUNCPTR( SSL_CTX_new );
105 MAKE_FUNCPTR( SSL_new );
106 MAKE_FUNCPTR( SSL_free );
107 MAKE_FUNCPTR( SSL_set_fd );
108 MAKE_FUNCPTR( SSL_connect );
109 MAKE_FUNCPTR( SSL_shutdown );
110 MAKE_FUNCPTR( SSL_write );
111 MAKE_FUNCPTR( SSL_read );
112 MAKE_FUNCPTR( SSL_get_ex_new_index );
113 MAKE_FUNCPTR( SSL_get_ex_data );
114 MAKE_FUNCPTR( SSL_set_ex_data );
115 MAKE_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
116 MAKE_FUNCPTR( SSL_get_verify_result );
117 MAKE_FUNCPTR( SSL_get_peer_certificate );
118 MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths );
119 MAKE_FUNCPTR( SSL_CTX_set_verify );
121 MAKE_FUNCPTR( BIO_new_fp );
122 MAKE_FUNCPTR( CRYPTO_num_locks );
123 MAKE_FUNCPTR( CRYPTO_set_id_callback );
124 MAKE_FUNCPTR( CRYPTO_set_locking_callback );
125 MAKE_FUNCPTR( ERR_free_strings );
126 MAKE_FUNCPTR( ERR_get_error );
127 MAKE_FUNCPTR( ERR_error_string );
128 MAKE_FUNCPTR( X509_STORE_CTX_get_ex_data );
129 MAKE_FUNCPTR( i2d_X509 );
130 MAKE_FUNCPTR( sk_value );
131 MAKE_FUNCPTR( sk_num );
134 static CRITICAL_SECTION *ssl_locks;
135 static unsigned int num_ssl_locks;
137 static unsigned long ssl_thread_id(void)
139 return GetCurrentThreadId();
142 static void ssl_lock_callback(int mode, int type, const char *file, int line)
144 if (mode & CRYPTO_LOCK)
145 EnterCriticalSection( &ssl_locks[type] );
147 LeaveCriticalSection( &ssl_locks[type] );
152 /* translate a unix error code into a winsock error code */
153 static int sock_get_error( int err )
155 #if !defined(__MINGW32__) && !defined (_MSC_VER)
158 case EINTR: return WSAEINTR;
159 case EBADF: return WSAEBADF;
161 case EACCES: return WSAEACCES;
162 case EFAULT: return WSAEFAULT;
163 case EINVAL: return WSAEINVAL;
164 case EMFILE: return WSAEMFILE;
165 case EWOULDBLOCK: return WSAEWOULDBLOCK;
166 case EINPROGRESS: return WSAEINPROGRESS;
167 case EALREADY: return WSAEALREADY;
168 case ENOTSOCK: return WSAENOTSOCK;
169 case EDESTADDRREQ: return WSAEDESTADDRREQ;
170 case EMSGSIZE: return WSAEMSGSIZE;
171 case EPROTOTYPE: return WSAEPROTOTYPE;
172 case ENOPROTOOPT: return WSAENOPROTOOPT;
173 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
174 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
175 case EOPNOTSUPP: return WSAEOPNOTSUPP;
176 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
177 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
178 case EADDRINUSE: return WSAEADDRINUSE;
179 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
180 case ENETDOWN: return WSAENETDOWN;
181 case ENETUNREACH: return WSAENETUNREACH;
182 case ENETRESET: return WSAENETRESET;
183 case ECONNABORTED: return WSAECONNABORTED;
185 case ECONNRESET: return WSAECONNRESET;
186 case ENOBUFS: return WSAENOBUFS;
187 case EISCONN: return WSAEISCONN;
188 case ENOTCONN: return WSAENOTCONN;
189 case ESHUTDOWN: return WSAESHUTDOWN;
190 case ETOOMANYREFS: return WSAETOOMANYREFS;
191 case ETIMEDOUT: return WSAETIMEDOUT;
192 case ECONNREFUSED: return WSAECONNREFUSED;
193 case ELOOP: return WSAELOOP;
194 case ENAMETOOLONG: return WSAENAMETOOLONG;
195 case EHOSTDOWN: return WSAEHOSTDOWN;
196 case EHOSTUNREACH: return WSAEHOSTUNREACH;
197 case ENOTEMPTY: return WSAENOTEMPTY;
199 case EPROCLIM: return WSAEPROCLIM;
202 case EUSERS: return WSAEUSERS;
205 case EDQUOT: return WSAEDQUOT;
208 case ESTALE: return WSAESTALE;
211 case EREMOTE: return WSAEREMOTE;
213 default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
220 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
222 unsigned char *buffer, *p;
228 if ((len = pi2d_X509( cert, &p )) < 0) return NULL;
230 * SSL 0.9.7 and above malloc the buffer if it is null.
231 * however earlier version do not and so we would need to alloc the buffer.
233 * see the i2d_X509 man page for more details.
237 if (!(buffer = heap_alloc( len ))) return NULL;
239 len = pi2d_X509( cert, &p );
247 ret = CertCreateCertificateContext( X509_ASN_ENCODING, buffer, len );
249 if (malloc) free( buffer );
250 else heap_free( buffer );
255 static BOOL netconn_verify_cert( PCCERT_CONTEXT cert, HCERTSTORE store,
259 CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
260 PCCERT_CHAIN_CONTEXT chain;
261 char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
262 char *server_auth[] = { oid_server_auth };
265 TRACE("verifying %s\n", debugstr_w( server ));
266 chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
267 chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
268 if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara, 0,
271 if (chain->TrustStatus.dwErrorStatus)
273 if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
274 err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID;
275 else if (chain->TrustStatus.dwErrorStatus &
276 CERT_TRUST_IS_UNTRUSTED_ROOT)
277 err = ERROR_WINHTTP_SECURE_INVALID_CA;
278 else if ((chain->TrustStatus.dwErrorStatus &
279 CERT_TRUST_IS_OFFLINE_REVOCATION) ||
280 (chain->TrustStatus.dwErrorStatus &
281 CERT_TRUST_REVOCATION_STATUS_UNKNOWN))
282 err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED;
283 else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED)
284 err = ERROR_WINHTTP_SECURE_CERT_REVOKED;
285 else if (chain->TrustStatus.dwErrorStatus &
286 CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
287 err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE;
289 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
290 set_last_error( err );
295 CERT_CHAIN_POLICY_PARA policyPara;
296 SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
297 CERT_CHAIN_POLICY_STATUS policyStatus;
299 sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
300 sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
301 sslExtraPolicyPara.pwszServerName = server;
302 policyPara.cbSize = sizeof(policyPara);
303 policyPara.dwFlags = 0;
304 policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
305 ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL,
308 /* Any error in the policy status indicates that the
309 * policy couldn't be verified.
311 if (ret && policyStatus.dwError)
313 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
314 err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID;
316 err = ERROR_WINHTTP_SECURE_INVALID_CERT;
317 set_last_error( err );
321 CertFreeCertificateChain( chain );
323 TRACE("returning %d\n", ret);
327 static int netconn_secure_verify( int preverify_ok, X509_STORE_CTX *ctx )
333 ssl = pX509_STORE_CTX_get_ex_data( ctx, pSSL_get_ex_data_X509_STORE_CTX_idx() );
334 server = pSSL_get_ex_data( ssl, hostname_idx );
337 HCERTSTORE store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0,
338 CERT_STORE_CREATE_NEW_FLAG, NULL );
344 PCCERT_CONTEXT endCert = NULL;
347 for (i = 0; ret && i < psk_num((struct stack_st *)ctx->chain); i++)
349 PCCERT_CONTEXT context;
351 cert = (X509 *)psk_value((struct stack_st *)ctx->chain, i);
352 if ((context = X509_to_cert_context( cert )))
355 ret = CertAddCertificateContextToStore( store, context,
356 CERT_STORE_ADD_ALWAYS, &endCert );
358 ret = CertAddCertificateContextToStore( store, context,
359 CERT_STORE_ADD_ALWAYS, NULL );
360 CertFreeCertificateContext( context );
363 if (!endCert) ret = FALSE;
365 ret = netconn_verify_cert( endCert, store, server );
366 CertFreeCertificateContext( endCert );
367 CertCloseStore( store, 0 );
374 BOOL netconn_init( netconn_t *conn, BOOL secure )
376 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
381 if (!secure) return TRUE;
383 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
384 EnterCriticalSection( &init_ssl_cs );
387 LeaveCriticalSection( &init_ssl_cs );
390 if (!(libssl_handle = wine_dlopen( SONAME_LIBSSL, RTLD_NOW, NULL, 0 )))
392 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL);
393 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
394 LeaveCriticalSection( &init_ssl_cs );
397 if (!(libcrypto_handle = wine_dlopen( SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0 )))
399 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO);
400 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
401 LeaveCriticalSection( &init_ssl_cs );
404 #define LOAD_FUNCPTR(x) \
405 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
407 ERR("Failed to load symbol %s\n", #x); \
408 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
409 LeaveCriticalSection( &init_ssl_cs ); \
412 LOAD_FUNCPTR( SSL_library_init );
413 LOAD_FUNCPTR( SSL_load_error_strings );
414 LOAD_FUNCPTR( SSLv23_method );
415 LOAD_FUNCPTR( SSL_CTX_free );
416 LOAD_FUNCPTR( SSL_CTX_new );
417 LOAD_FUNCPTR( SSL_new );
418 LOAD_FUNCPTR( SSL_free );
419 LOAD_FUNCPTR( SSL_set_fd );
420 LOAD_FUNCPTR( SSL_connect );
421 LOAD_FUNCPTR( SSL_shutdown );
422 LOAD_FUNCPTR( SSL_write );
423 LOAD_FUNCPTR( SSL_read );
424 LOAD_FUNCPTR( SSL_get_ex_new_index );
425 LOAD_FUNCPTR( SSL_get_ex_data );
426 LOAD_FUNCPTR( SSL_set_ex_data );
427 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx );
428 LOAD_FUNCPTR( SSL_get_verify_result );
429 LOAD_FUNCPTR( SSL_get_peer_certificate );
430 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths );
431 LOAD_FUNCPTR( SSL_CTX_set_verify );
434 #define LOAD_FUNCPTR(x) \
435 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
437 ERR("Failed to load symbol %s\n", #x); \
438 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
439 LeaveCriticalSection( &init_ssl_cs ); \
442 LOAD_FUNCPTR( BIO_new_fp );
443 LOAD_FUNCPTR( CRYPTO_num_locks );
444 LOAD_FUNCPTR( CRYPTO_set_id_callback );
445 LOAD_FUNCPTR( CRYPTO_set_locking_callback );
446 LOAD_FUNCPTR( ERR_free_strings );
447 LOAD_FUNCPTR( ERR_get_error );
448 LOAD_FUNCPTR( ERR_error_string );
449 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data );
450 LOAD_FUNCPTR( i2d_X509 );
451 LOAD_FUNCPTR( sk_value );
452 LOAD_FUNCPTR( sk_num );
456 pSSL_load_error_strings();
457 pBIO_new_fp( stderr, BIO_NOCLOSE );
459 method = pSSLv23_method();
460 ctx = pSSL_CTX_new( method );
461 if (!pSSL_CTX_set_default_verify_paths( ctx ))
463 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
464 set_last_error( ERROR_OUTOFMEMORY );
465 LeaveCriticalSection( &init_ssl_cs );
468 hostname_idx = pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL, NULL, NULL );
469 if (hostname_idx == -1)
471 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
472 set_last_error( ERROR_OUTOFMEMORY );
473 LeaveCriticalSection( &init_ssl_cs );
476 pSSL_CTX_set_verify( ctx, SSL_VERIFY_PEER, netconn_secure_verify );
478 pCRYPTO_set_id_callback(ssl_thread_id);
479 num_ssl_locks = pCRYPTO_num_locks();
480 ssl_locks = HeapAlloc(GetProcessHeap(), 0, num_ssl_locks * sizeof(CRITICAL_SECTION));
483 set_last_error( ERROR_OUTOFMEMORY );
484 LeaveCriticalSection( &init_ssl_cs );
487 for (i = 0; i < num_ssl_locks; i++) InitializeCriticalSection( &ssl_locks[i] );
488 pCRYPTO_set_locking_callback(ssl_lock_callback);
490 LeaveCriticalSection( &init_ssl_cs );
492 WARN("SSL support not compiled in.\n");
493 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
499 void netconn_unload( void )
501 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
502 if (libcrypto_handle)
505 wine_dlclose( libcrypto_handle, NULL, 0 );
510 pSSL_CTX_free( ctx );
511 wine_dlclose( libssl_handle, NULL, 0 );
516 for (i = 0; i < num_ssl_locks; i++) DeleteCriticalSection( &ssl_locks[i] );
517 HeapFree( GetProcessHeap(), 0, ssl_locks );
522 BOOL netconn_connected( netconn_t *conn )
524 return (conn->socket != -1);
527 BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
529 if ((conn->socket = socket( domain, type, protocol )) == -1)
531 WARN("unable to create socket (%s)\n", strerror(errno));
532 set_last_error( sock_get_error( errno ) );
538 BOOL netconn_close( netconn_t *conn )
545 heap_free( conn->peek_msg_mem );
546 conn->peek_msg_mem = NULL;
547 conn->peek_msg = NULL;
550 pSSL_shutdown( conn->ssl_conn );
551 pSSL_free( conn->ssl_conn );
553 conn->ssl_conn = NULL;
554 conn->secure = FALSE;
557 res = closesocket( conn->socket );
561 set_last_error( sock_get_error( errno ) );
567 BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len, int timeout )
575 ioctlsocket( conn->socket, FIONBIO, &state );
577 if (connect( conn->socket, sockaddr, addr_len ) < 0)
579 res = sock_get_error( errno );
580 if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS)
584 pfd.fd = conn->socket;
585 pfd.events = POLLOUT;
586 if (poll( &pfd, 1, timeout ) > 0)
589 res = sock_get_error( errno );
597 ioctlsocket( conn->socket, FIONBIO, &state );
601 WARN("unable to connect to host (%d)\n", res);
602 set_last_error( res );
607 BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname )
612 if (!(conn->ssl_conn = pSSL_new( ctx )))
614 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
615 set_last_error( ERROR_OUTOFMEMORY );
618 if (!pSSL_set_ex_data( conn->ssl_conn, hostname_idx, hostname ))
620 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
621 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
624 if (!pSSL_set_fd( conn->ssl_conn, conn->socket ))
626 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
627 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
630 if (pSSL_connect( conn->ssl_conn ) <= 0)
632 ERR("SSL_connect failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
633 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR );
636 if ((res = pSSL_get_verify_result( conn->ssl_conn )) != X509_V_OK)
638 /* FIXME: we should set an error and return, but we only print an error at the moment */
639 ERR("couldn't verify server certificate (%ld)\n", res);
641 TRACE("established SSL connection\n");
648 pSSL_shutdown( conn->ssl_conn );
649 pSSL_free( conn->ssl_conn );
650 conn->ssl_conn = NULL;
656 BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
658 if (!netconn_connected( conn )) return FALSE;
662 if (flags) FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
663 *sent = pSSL_write( conn->ssl_conn, msg, len );
664 if (*sent < 1 && len) return FALSE;
670 if ((*sent = send( conn->socket, msg, len, flags )) == -1)
672 set_last_error( sock_get_error( errno ) );
678 BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
681 if (!netconn_connected( conn )) return FALSE;
682 if (!len) return TRUE;
687 if (flags & ~(MSG_PEEK | MSG_WAITALL))
688 FIXME("SSL_read does not support the following flags: %08x\n", flags);
690 /* this ugly hack is all for MSG_PEEK */
691 if (flags & MSG_PEEK && !conn->peek_msg)
693 if (!(conn->peek_msg = conn->peek_msg_mem = heap_alloc( len + 1 ))) return FALSE;
695 else if (flags & MSG_PEEK && conn->peek_msg)
697 if (len < conn->peek_len) FIXME("buffer isn't big enough, should we wrap?\n");
698 *recvd = min( len, conn->peek_len );
699 memcpy( buf, conn->peek_msg, *recvd );
702 else if (conn->peek_msg)
704 *recvd = min( len, conn->peek_len );
705 memcpy( buf, conn->peek_msg, *recvd );
706 conn->peek_len -= *recvd;
707 conn->peek_msg += *recvd;
709 if (conn->peek_len == 0)
711 heap_free( conn->peek_msg_mem );
712 conn->peek_msg_mem = NULL;
713 conn->peek_msg = NULL;
715 /* check if we have enough data from the peek buffer */
716 if (!(flags & MSG_WAITALL) || (*recvd == len)) return TRUE;
718 *recvd += pSSL_read( conn->ssl_conn, (char *)buf + *recvd, len - *recvd );
719 if (flags & MSG_PEEK) /* must copy into buffer */
721 conn->peek_len = *recvd;
724 heap_free( conn->peek_msg_mem );
725 conn->peek_msg_mem = NULL;
726 conn->peek_msg = NULL;
728 else memcpy( conn->peek_msg, buf, *recvd );
730 if (*recvd < 1 && len) return FALSE;
736 if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
738 set_last_error( sock_get_error( errno ) );
744 BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
750 if (!netconn_connected( conn )) return FALSE;
755 if (conn->peek_msg) *available = conn->peek_len;
760 if (!(ret = ioctlsocket( conn->socket, FIONREAD, &unread ))) *available = unread;
765 BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
771 if (!netconn_connected( conn )) return FALSE;
776 while (recvd < *buflen)
779 if (!netconn_recv( conn, &buffer[recvd], 1, 0, &dummy ))
781 set_last_error( ERROR_CONNECTION_ABORTED );
784 if (buffer[recvd] == '\n')
789 if (buffer[recvd] != '\r') recvd++;
795 TRACE("received line %s\n", debugstr_a(buffer));
803 pfd.fd = conn->socket;
805 while (recvd < *buflen)
809 socklen_t len = sizeof(tv);
811 if ((res = getsockopt( conn->socket, SOL_SOCKET, SO_RCVTIMEO, (void*)&tv, &len ) != -1))
812 timeout = tv.tv_sec * 1000 + tv.tv_usec / 1000;
815 if (poll( &pfd, 1, timeout ) > 0)
817 if ((res = recv( conn->socket, &buffer[recvd], 1, 0 )) <= 0)
819 if (res == -1) set_last_error( sock_get_error( errno ) );
822 if (buffer[recvd] == '\n')
827 if (buffer[recvd] != '\r') recvd++;
831 set_last_error( ERROR_WINHTTP_TIMEOUT );
839 TRACE("received line %s\n", debugstr_a(buffer));
844 DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
849 /* value is in milliseconds, convert to struct timeval */
850 tv.tv_sec = value / 1000;
851 tv.tv_usec = (value % 1000) * 1000;
853 if ((res = setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1))
855 WARN("setsockopt failed (%s)\n", strerror( errno ));
856 return sock_get_error( errno );
858 return ERROR_SUCCESS;
861 BOOL netconn_resolve( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr *sa, socklen_t *sa_len )
864 #ifdef HAVE_GETADDRINFO
865 struct addrinfo *res, hints;
869 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
872 if (!(hostname = strdupWA( hostnameW ))) return FALSE;
874 #ifdef HAVE_GETADDRINFO
875 memset( &hints, 0, sizeof(struct addrinfo) );
876 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
877 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
879 hints.ai_family = AF_INET;
881 ret = getaddrinfo( hostname, NULL, &hints, &res );
884 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret));
885 hints.ai_family = AF_INET6;
886 ret = getaddrinfo( hostname, NULL, &hints, &res );
889 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret));
890 heap_free( hostname );
894 heap_free( hostname );
895 if (*sa_len < res->ai_addrlen)
897 WARN("address too small\n");
901 *sa_len = res->ai_addrlen;
902 memcpy( sa, res->ai_addr, res->ai_addrlen );
904 switch (res->ai_family)
907 ((struct sockaddr_in *)sa)->sin_port = htons( port );
910 ((struct sockaddr_in6 *)sa)->sin6_port = htons( port );
917 EnterCriticalSection( &cs_gethostbyname );
919 he = gethostbyname( hostname );
920 heap_free( hostname );
923 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno);
924 LeaveCriticalSection( &cs_gethostbyname );
927 if (*sa_len < sizeof(struct sockaddr_in))
929 WARN("address too small\n");
930 LeaveCriticalSection( &cs_gethostbyname );
933 *sa_len = sizeof(struct sockaddr_in);
934 memset( sa, 0, sizeof(struct sockaddr_in) );
935 memcpy( &sin->sin_addr, he->h_addr, he->h_length );
936 sin->sin_family = he->h_addrtype;
937 sin->sin_port = htons( port );
939 LeaveCriticalSection( &cs_gethostbyname );
944 const void *netconn_get_certificate( netconn_t *conn )
948 const CERT_CONTEXT *ret;
950 if (!conn->secure) return NULL;
952 if (!(cert = pSSL_get_peer_certificate( conn->ssl_conn ))) return NULL;
953 ret = X509_to_cert_context( cert );