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 int netconn_secure_verify( int preverify_ok
, X509_STORE_CTX
*ctx
)
220 ssl
= pX509_STORE_CTX_get_ex_data( ctx
, pSSL_get_ex_data_X509_STORE_CTX_idx() );
221 server
= pSSL_get_ex_data( ssl
, hostname_idx
);
222 FIXME("verify %s\n", debugstr_w(server
));
227 BOOL
netconn_init( netconn_t
*conn
, BOOL secure
)
229 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
234 if (!secure
) return TRUE
;
236 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
237 EnterCriticalSection( &init_ssl_cs
);
240 LeaveCriticalSection( &init_ssl_cs
);
243 if (!(libssl_handle
= wine_dlopen( SONAME_LIBSSL
, RTLD_NOW
, NULL
, 0 )))
245 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL
);
246 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
247 LeaveCriticalSection( &init_ssl_cs
);
250 if (!(libcrypto_handle
= wine_dlopen( SONAME_LIBCRYPTO
, RTLD_NOW
, NULL
, 0 )))
252 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO
);
253 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
254 LeaveCriticalSection( &init_ssl_cs
);
257 #define LOAD_FUNCPTR(x) \
258 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
260 ERR("Failed to load symbol %s\n", #x); \
261 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
262 LeaveCriticalSection( &init_ssl_cs ); \
265 LOAD_FUNCPTR( SSL_library_init
);
266 LOAD_FUNCPTR( SSL_load_error_strings
);
267 LOAD_FUNCPTR( SSLv23_method
);
268 LOAD_FUNCPTR( SSL_CTX_free
);
269 LOAD_FUNCPTR( SSL_CTX_new
);
270 LOAD_FUNCPTR( SSL_new
);
271 LOAD_FUNCPTR( SSL_free
);
272 LOAD_FUNCPTR( SSL_set_fd
);
273 LOAD_FUNCPTR( SSL_connect
);
274 LOAD_FUNCPTR( SSL_shutdown
);
275 LOAD_FUNCPTR( SSL_write
);
276 LOAD_FUNCPTR( SSL_read
);
277 LOAD_FUNCPTR( SSL_get_ex_new_index
);
278 LOAD_FUNCPTR( SSL_get_ex_data
);
279 LOAD_FUNCPTR( SSL_set_ex_data
);
280 LOAD_FUNCPTR( SSL_get_ex_data_X509_STORE_CTX_idx
);
281 LOAD_FUNCPTR( SSL_get_verify_result
);
282 LOAD_FUNCPTR( SSL_get_peer_certificate
);
283 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths
);
284 LOAD_FUNCPTR( SSL_CTX_set_verify
);
285 LOAD_FUNCPTR( X509_STORE_CTX_get_ex_data
);
288 #define LOAD_FUNCPTR(x) \
289 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
291 ERR("Failed to load symbol %s\n", #x); \
292 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
293 LeaveCriticalSection( &init_ssl_cs ); \
296 LOAD_FUNCPTR( BIO_new_fp
);
297 LOAD_FUNCPTR( CRYPTO_num_locks
);
298 LOAD_FUNCPTR( CRYPTO_set_id_callback
);
299 LOAD_FUNCPTR( CRYPTO_set_locking_callback
);
300 LOAD_FUNCPTR( ERR_get_error
);
301 LOAD_FUNCPTR( ERR_error_string
);
302 LOAD_FUNCPTR( i2d_X509
);
306 pSSL_load_error_strings();
307 pBIO_new_fp( stderr
, BIO_NOCLOSE
);
309 method
= pSSLv23_method();
310 ctx
= pSSL_CTX_new( method
);
311 if (!pSSL_CTX_set_default_verify_paths( ctx
))
313 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
314 set_last_error( ERROR_OUTOFMEMORY
);
315 LeaveCriticalSection( &init_ssl_cs
);
318 hostname_idx
= pSSL_get_ex_new_index( 0, (void *)"hostname index", NULL
, NULL
, NULL
);
319 if (hostname_idx
== -1)
321 ERR("SSL_get_ex_new_index failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
322 set_last_error( ERROR_OUTOFMEMORY
);
323 LeaveCriticalSection( &init_ssl_cs
);
326 pSSL_CTX_set_verify( ctx
, SSL_VERIFY_PEER
, netconn_secure_verify
);
328 pCRYPTO_set_id_callback(ssl_thread_id
);
329 num_ssl_locks
= pCRYPTO_num_locks();
330 ssl_locks
= HeapAlloc(GetProcessHeap(), 0, num_ssl_locks
* sizeof(CRITICAL_SECTION
));
333 set_last_error( ERROR_OUTOFMEMORY
);
334 LeaveCriticalSection( &init_ssl_cs
);
337 for (i
= 0; i
< num_ssl_locks
; i
++) InitializeCriticalSection( &ssl_locks
[i
] );
338 pCRYPTO_set_locking_callback(ssl_lock_callback
);
340 LeaveCriticalSection( &init_ssl_cs
);
342 WARN("SSL support not compiled in.\n");
343 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
349 void netconn_unload( void )
351 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
352 if (libcrypto_handle
)
354 wine_dlclose( libcrypto_handle
, NULL
, 0 );
359 pSSL_CTX_free( ctx
);
360 wine_dlclose( libssl_handle
, NULL
, 0 );
365 for (i
= 0; i
< num_ssl_locks
; i
++) DeleteCriticalSection( &ssl_locks
[i
] );
366 HeapFree( GetProcessHeap(), 0, ssl_locks
);
371 BOOL
netconn_connected( netconn_t
*conn
)
373 return (conn
->socket
!= -1);
376 BOOL
netconn_create( netconn_t
*conn
, int domain
, int type
, int protocol
)
378 if ((conn
->socket
= socket( domain
, type
, protocol
)) == -1)
380 WARN("unable to create socket (%s)\n", strerror(errno
));
381 set_last_error( sock_get_error( errno
) );
387 BOOL
netconn_close( netconn_t
*conn
)
394 heap_free( conn
->peek_msg_mem
);
395 conn
->peek_msg_mem
= NULL
;
396 conn
->peek_msg
= NULL
;
399 pSSL_shutdown( conn
->ssl_conn
);
400 pSSL_free( conn
->ssl_conn
);
402 conn
->ssl_conn
= NULL
;
403 conn
->secure
= FALSE
;
406 res
= closesocket( conn
->socket
);
410 set_last_error( sock_get_error( errno
) );
416 BOOL
netconn_connect( netconn_t
*conn
, const struct sockaddr
*sockaddr
, unsigned int addr_len
, int timeout
)
424 ioctlsocket( conn
->socket
, FIONBIO
, &state
);
426 if (connect( conn
->socket
, sockaddr
, addr_len
) < 0)
428 res
= sock_get_error( errno
);
429 if (res
== WSAEWOULDBLOCK
|| res
== WSAEINPROGRESS
)
433 pfd
.fd
= conn
->socket
;
434 pfd
.events
= POLLOUT
;
435 if (poll( &pfd
, 1, timeout
) > 0)
438 res
= sock_get_error( errno
);
446 ioctlsocket( conn
->socket
, FIONBIO
, &state
);
450 WARN("unable to connect to host (%d)\n", res
);
451 set_last_error( res
);
456 BOOL
netconn_secure_connect( netconn_t
*conn
, WCHAR
*hostname
)
461 if (!(conn
->ssl_conn
= pSSL_new( ctx
)))
463 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
464 set_last_error( ERROR_OUTOFMEMORY
);
467 if (!pSSL_set_ex_data( conn
->ssl_conn
, hostname_idx
, hostname
))
469 ERR("SSL_set_ex_data failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
470 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
473 if (!pSSL_set_fd( conn
->ssl_conn
, conn
->socket
))
475 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
476 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
479 if (pSSL_connect( conn
->ssl_conn
) <= 0)
481 ERR("SSL_connect failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
482 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
485 if ((res
= pSSL_get_verify_result( conn
->ssl_conn
)) != X509_V_OK
)
487 /* FIXME: we should set an error and return, but we only print an error at the moment */
488 ERR("couldn't verify server certificate (%ld)\n", res
);
490 TRACE("established SSL connection\n");
497 pSSL_shutdown( conn
->ssl_conn
);
498 pSSL_free( conn
->ssl_conn
);
499 conn
->ssl_conn
= NULL
;
505 BOOL
netconn_send( netconn_t
*conn
, const void *msg
, size_t len
, int flags
, int *sent
)
507 if (!netconn_connected( conn
)) return FALSE
;
511 if (flags
) FIXME("SSL_write doesn't support any flags (%08x)\n", flags
);
512 *sent
= pSSL_write( conn
->ssl_conn
, msg
, len
);
513 if (*sent
< 1 && len
) return FALSE
;
519 if ((*sent
= send( conn
->socket
, msg
, len
, flags
)) == -1)
521 set_last_error( sock_get_error( errno
) );
527 BOOL
netconn_recv( netconn_t
*conn
, void *buf
, size_t len
, int flags
, int *recvd
)
530 if (!netconn_connected( conn
)) return FALSE
;
531 if (!len
) return TRUE
;
536 if (flags
& ~(MSG_PEEK
| MSG_WAITALL
))
537 FIXME("SSL_read does not support the following flags: %08x\n", flags
);
539 /* this ugly hack is all for MSG_PEEK */
540 if (flags
& MSG_PEEK
&& !conn
->peek_msg
)
542 if (!(conn
->peek_msg
= conn
->peek_msg_mem
= heap_alloc( len
+ 1 ))) return FALSE
;
544 else if (flags
& MSG_PEEK
&& conn
->peek_msg
)
546 if (len
< conn
->peek_len
) FIXME("buffer isn't big enough, should we wrap?\n");
547 *recvd
= min( len
, conn
->peek_len
);
548 memcpy( buf
, conn
->peek_msg
, *recvd
);
551 else if (conn
->peek_msg
)
553 *recvd
= min( len
, conn
->peek_len
);
554 memcpy( buf
, conn
->peek_msg
, *recvd
);
555 conn
->peek_len
-= *recvd
;
556 conn
->peek_msg
+= *recvd
;
558 if (conn
->peek_len
== 0)
560 heap_free( conn
->peek_msg_mem
);
561 conn
->peek_msg_mem
= NULL
;
562 conn
->peek_msg
= NULL
;
564 /* check if we have enough data from the peek buffer */
565 if (!(flags
& MSG_WAITALL
) || (*recvd
== len
)) return TRUE
;
567 *recvd
+= pSSL_read( conn
->ssl_conn
, (char *)buf
+ *recvd
, len
- *recvd
);
568 if (flags
& MSG_PEEK
) /* must copy into buffer */
570 conn
->peek_len
= *recvd
;
573 heap_free( conn
->peek_msg_mem
);
574 conn
->peek_msg_mem
= NULL
;
575 conn
->peek_msg
= NULL
;
577 else memcpy( conn
->peek_msg
, buf
, *recvd
);
579 if (*recvd
< 1 && len
) return FALSE
;
585 if ((*recvd
= recv( conn
->socket
, buf
, len
, flags
)) == -1)
587 set_last_error( sock_get_error( errno
) );
593 BOOL
netconn_query_data_available( netconn_t
*conn
, DWORD
*available
)
599 if (!netconn_connected( conn
)) return FALSE
;
604 if (conn
->peek_msg
) *available
= conn
->peek_len
;
609 if (!(ret
= ioctlsocket( conn
->socket
, FIONREAD
, &unread
))) *available
= unread
;
614 BOOL
netconn_get_next_line( netconn_t
*conn
, char *buffer
, DWORD
*buflen
)
620 if (!netconn_connected( conn
)) return FALSE
;
625 while (recvd
< *buflen
)
628 if (!netconn_recv( conn
, &buffer
[recvd
], 1, 0, &dummy
))
630 set_last_error( ERROR_CONNECTION_ABORTED
);
633 if (buffer
[recvd
] == '\n')
638 if (buffer
[recvd
] != '\r') recvd
++;
644 TRACE("received line %s\n", debugstr_a(buffer
));
652 pfd
.fd
= conn
->socket
;
654 while (recvd
< *buflen
)
658 socklen_t len
= sizeof(tv
);
660 if ((res
= getsockopt( conn
->socket
, SOL_SOCKET
, SO_RCVTIMEO
, (void*)&tv
, &len
) != -1))
661 timeout
= tv
.tv_sec
* 1000 + tv
.tv_usec
/ 1000;
664 if (poll( &pfd
, 1, timeout
) > 0)
666 if ((res
= recv( conn
->socket
, &buffer
[recvd
], 1, 0 )) <= 0)
668 if (res
== -1) set_last_error( sock_get_error( errno
) );
671 if (buffer
[recvd
] == '\n')
676 if (buffer
[recvd
] != '\r') recvd
++;
680 set_last_error( ERROR_WINHTTP_TIMEOUT
);
688 TRACE("received line %s\n", debugstr_a(buffer
));
693 DWORD
netconn_set_timeout( netconn_t
*netconn
, BOOL send
, int value
)
698 /* value is in milliseconds, convert to struct timeval */
699 tv
.tv_sec
= value
/ 1000;
700 tv
.tv_usec
= (value
% 1000) * 1000;
702 if ((res
= setsockopt( netconn
->socket
, SOL_SOCKET
, send
? SO_SNDTIMEO
: SO_RCVTIMEO
, (void*)&tv
, sizeof(tv
) ) == -1))
704 WARN("setsockopt failed (%s)\n", strerror( errno
));
705 return sock_get_error( errno
);
707 return ERROR_SUCCESS
;
710 BOOL
netconn_resolve( WCHAR
*hostnameW
, INTERNET_PORT port
, struct sockaddr
*sa
, socklen_t
*sa_len
)
713 #ifdef HAVE_GETADDRINFO
714 struct addrinfo
*res
, hints
;
718 struct sockaddr_in
*sin
= (struct sockaddr_in
*)sa
;
721 if (!(hostname
= strdupWA( hostnameW
))) return FALSE
;
723 #ifdef HAVE_GETADDRINFO
724 memset( &hints
, 0, sizeof(struct addrinfo
) );
725 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
726 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
728 hints
.ai_family
= AF_INET
;
730 ret
= getaddrinfo( hostname
, NULL
, &hints
, &res
);
733 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW
), gai_strerror(ret
));
734 hints
.ai_family
= AF_INET6
;
735 ret
= getaddrinfo( hostname
, NULL
, &hints
, &res
);
738 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW
), gai_strerror(ret
));
739 heap_free( hostname
);
743 heap_free( hostname
);
744 if (*sa_len
< res
->ai_addrlen
)
746 WARN("address too small\n");
750 *sa_len
= res
->ai_addrlen
;
751 memcpy( sa
, res
->ai_addr
, res
->ai_addrlen
);
753 switch (res
->ai_family
)
756 ((struct sockaddr_in
*)sa
)->sin_port
= htons( port
);
759 ((struct sockaddr_in6
*)sa
)->sin6_port
= htons( port
);
766 EnterCriticalSection( &cs_gethostbyname
);
768 he
= gethostbyname( hostname
);
769 heap_free( hostname
);
772 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW
), h_errno
);
773 LeaveCriticalSection( &cs_gethostbyname
);
776 if (*sa_len
< sizeof(struct sockaddr_in
))
778 WARN("address too small\n");
779 LeaveCriticalSection( &cs_gethostbyname
);
782 *sa_len
= sizeof(struct sockaddr_in
);
783 memset( sa
, 0, sizeof(struct sockaddr_in
) );
784 memcpy( &sin
->sin_addr
, he
->h_addr
, he
->h_length
);
785 sin
->sin_family
= he
->h_addrtype
;
786 sin
->sin_port
= htons( port
);
788 LeaveCriticalSection( &cs_gethostbyname
);
793 const void *netconn_get_certificate( netconn_t
*conn
)
797 unsigned char *buffer
, *p
;
800 const CERT_CONTEXT
*ret
;
802 if (!conn
->secure
) return NULL
;
804 if (!(cert
= pSSL_get_peer_certificate( conn
->ssl_conn
))) return NULL
;
806 if ((len
= pi2d_X509( cert
, &p
)) < 0) return NULL
;
808 * SSL 0.9.7 and above malloc the buffer if it is null.
809 * however earlier version do not and so we would need to alloc the buffer.
811 * see the i2d_X509 man page for more details.
815 if (!(buffer
= heap_alloc( len
))) return NULL
;
817 len
= pi2d_X509( cert
, &p
);
825 ret
= CertCreateCertificateContext( X509_ASN_ENCODING
, buffer
, len
);
827 if (malloc
) free( buffer
);
828 else heap_free( buffer
);