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 void *libssl_handle
;
80 static void *libcrypto_handle
;
82 static SSL_METHOD
*method
;
85 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
87 MAKE_FUNCPTR( SSL_library_init
);
88 MAKE_FUNCPTR( SSL_load_error_strings
);
89 MAKE_FUNCPTR( SSLv23_method
);
90 MAKE_FUNCPTR( SSL_CTX_new
);
91 MAKE_FUNCPTR( SSL_new
);
92 MAKE_FUNCPTR( SSL_free
);
93 MAKE_FUNCPTR( SSL_set_fd
);
94 MAKE_FUNCPTR( SSL_connect
);
95 MAKE_FUNCPTR( SSL_shutdown
);
96 MAKE_FUNCPTR( SSL_write
);
97 MAKE_FUNCPTR( SSL_read
);
98 MAKE_FUNCPTR( SSL_get_verify_result
);
99 MAKE_FUNCPTR( SSL_get_peer_certificate
);
100 MAKE_FUNCPTR( SSL_CTX_set_default_verify_paths
);
102 MAKE_FUNCPTR( BIO_new_fp
);
103 MAKE_FUNCPTR( ERR_get_error
);
104 MAKE_FUNCPTR( ERR_error_string
);
105 MAKE_FUNCPTR( i2d_X509
);
110 /* translate a unix error code into a winsock error code */
111 static int sock_get_error( int err
)
113 #if !defined(__MINGW32__) && !defined (_MSC_VER)
116 case EINTR
: return WSAEINTR
;
117 case EBADF
: return WSAEBADF
;
119 case EACCES
: return WSAEACCES
;
120 case EFAULT
: return WSAEFAULT
;
121 case EINVAL
: return WSAEINVAL
;
122 case EMFILE
: return WSAEMFILE
;
123 case EWOULDBLOCK
: return WSAEWOULDBLOCK
;
124 case EINPROGRESS
: return WSAEINPROGRESS
;
125 case EALREADY
: return WSAEALREADY
;
126 case ENOTSOCK
: return WSAENOTSOCK
;
127 case EDESTADDRREQ
: return WSAEDESTADDRREQ
;
128 case EMSGSIZE
: return WSAEMSGSIZE
;
129 case EPROTOTYPE
: return WSAEPROTOTYPE
;
130 case ENOPROTOOPT
: return WSAENOPROTOOPT
;
131 case EPROTONOSUPPORT
: return WSAEPROTONOSUPPORT
;
132 case ESOCKTNOSUPPORT
: return WSAESOCKTNOSUPPORT
;
133 case EOPNOTSUPP
: return WSAEOPNOTSUPP
;
134 case EPFNOSUPPORT
: return WSAEPFNOSUPPORT
;
135 case EAFNOSUPPORT
: return WSAEAFNOSUPPORT
;
136 case EADDRINUSE
: return WSAEADDRINUSE
;
137 case EADDRNOTAVAIL
: return WSAEADDRNOTAVAIL
;
138 case ENETDOWN
: return WSAENETDOWN
;
139 case ENETUNREACH
: return WSAENETUNREACH
;
140 case ENETRESET
: return WSAENETRESET
;
141 case ECONNABORTED
: return WSAECONNABORTED
;
143 case ECONNRESET
: return WSAECONNRESET
;
144 case ENOBUFS
: return WSAENOBUFS
;
145 case EISCONN
: return WSAEISCONN
;
146 case ENOTCONN
: return WSAENOTCONN
;
147 case ESHUTDOWN
: return WSAESHUTDOWN
;
148 case ETOOMANYREFS
: return WSAETOOMANYREFS
;
149 case ETIMEDOUT
: return WSAETIMEDOUT
;
150 case ECONNREFUSED
: return WSAECONNREFUSED
;
151 case ELOOP
: return WSAELOOP
;
152 case ENAMETOOLONG
: return WSAENAMETOOLONG
;
153 case EHOSTDOWN
: return WSAEHOSTDOWN
;
154 case EHOSTUNREACH
: return WSAEHOSTUNREACH
;
155 case ENOTEMPTY
: return WSAENOTEMPTY
;
157 case EPROCLIM
: return WSAEPROCLIM
;
160 case EUSERS
: return WSAEUSERS
;
163 case EDQUOT
: return WSAEDQUOT
;
166 case ESTALE
: return WSAESTALE
;
169 case EREMOTE
: return WSAEREMOTE
;
171 default: errno
= err
; perror( "sock_set_error" ); return WSAEFAULT
;
177 BOOL
netconn_init( netconn_t
*conn
, BOOL secure
)
180 if (!secure
) return TRUE
;
182 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
183 if (libssl_handle
) return TRUE
;
184 if (!(libssl_handle
= wine_dlopen( SONAME_LIBSSL
, RTLD_NOW
, NULL
, 0 )))
186 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBSSL
);
187 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
190 if (!(libcrypto_handle
= wine_dlopen( SONAME_LIBCRYPTO
, RTLD_NOW
, NULL
, 0 )))
192 ERR("Trying to use SSL but couldn't load %s. Expect trouble.\n", SONAME_LIBCRYPTO
);
193 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
196 #define LOAD_FUNCPTR(x) \
197 if (!(p##x = wine_dlsym( libssl_handle, #x, NULL, 0 ))) \
199 ERR("Failed to load symbol %s\n", #x); \
200 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
203 LOAD_FUNCPTR( SSL_library_init
);
204 LOAD_FUNCPTR( SSL_load_error_strings
);
205 LOAD_FUNCPTR( SSLv23_method
);
206 LOAD_FUNCPTR( SSL_CTX_new
);
207 LOAD_FUNCPTR( SSL_new
);
208 LOAD_FUNCPTR( SSL_free
);
209 LOAD_FUNCPTR( SSL_set_fd
);
210 LOAD_FUNCPTR( SSL_connect
);
211 LOAD_FUNCPTR( SSL_shutdown
);
212 LOAD_FUNCPTR( SSL_write
);
213 LOAD_FUNCPTR( SSL_read
);
214 LOAD_FUNCPTR( SSL_get_verify_result
);
215 LOAD_FUNCPTR( SSL_get_peer_certificate
);
216 LOAD_FUNCPTR( SSL_CTX_set_default_verify_paths
);
219 #define LOAD_FUNCPTR(x) \
220 if (!(p##x = wine_dlsym( libcrypto_handle, #x, NULL, 0 ))) \
222 ERR("Failed to load symbol %s\n", #x); \
223 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR ); \
226 LOAD_FUNCPTR( BIO_new_fp
);
227 LOAD_FUNCPTR( ERR_get_error
);
228 LOAD_FUNCPTR( ERR_error_string
);
229 LOAD_FUNCPTR( i2d_X509
);
233 pSSL_load_error_strings();
234 pBIO_new_fp( stderr
, BIO_NOCLOSE
);
236 method
= pSSLv23_method();
238 WARN("SSL support not compiled in.\n");
239 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
245 BOOL
netconn_connected( netconn_t
*conn
)
247 return (conn
->socket
!= -1);
250 BOOL
netconn_create( netconn_t
*conn
, int domain
, int type
, int protocol
)
252 if ((conn
->socket
= socket( domain
, type
, protocol
)) == -1)
254 WARN("unable to create socket (%s)\n", strerror(errno
));
255 set_last_error( sock_get_error( errno
) );
261 BOOL
netconn_close( netconn_t
*conn
)
268 heap_free( conn
->peek_msg_mem
);
269 conn
->peek_msg_mem
= NULL
;
270 conn
->peek_msg
= NULL
;
273 pSSL_shutdown( conn
->ssl_conn
);
274 pSSL_free( conn
->ssl_conn
);
276 conn
->ssl_conn
= NULL
;
277 conn
->secure
= FALSE
;
280 res
= closesocket( conn
->socket
);
284 set_last_error( sock_get_error( errno
) );
290 BOOL
netconn_connect( netconn_t
*conn
, const struct sockaddr
*sockaddr
, unsigned int addr_len
, int timeout
)
298 ioctlsocket( conn
->socket
, FIONBIO
, &state
);
300 if (connect( conn
->socket
, sockaddr
, addr_len
) < 0)
302 res
= sock_get_error( errno
);
303 if (res
== WSAEWOULDBLOCK
|| res
== WSAEINPROGRESS
)
307 pfd
.fd
= conn
->socket
;
308 pfd
.events
= POLLOUT
;
309 if (poll( &pfd
, 1, timeout
) > 0)
312 res
= sock_get_error( errno
);
320 ioctlsocket( conn
->socket
, FIONBIO
, &state
);
324 WARN("unable to connect to host (%d)\n", res
);
325 set_last_error( res
);
330 BOOL
netconn_secure_connect( netconn_t
*conn
)
336 ctx
= pSSL_CTX_new( method
);
337 if (!pSSL_CTX_set_default_verify_paths( ctx
))
339 ERR("SSL_CTX_set_default_verify_paths failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
340 set_last_error( ERROR_OUTOFMEMORY
);
343 if (!(conn
->ssl_conn
= pSSL_new( ctx
)))
345 ERR("SSL_new failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
346 set_last_error( ERROR_OUTOFMEMORY
);
349 if (!pSSL_set_fd( conn
->ssl_conn
, conn
->socket
))
351 ERR("SSL_set_fd failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
352 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
355 if (pSSL_connect( conn
->ssl_conn
) <= 0)
357 ERR("SSL_connect failed: %s\n", pERR_error_string( pERR_get_error(), 0 ));
358 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
361 if (!(cert
= pSSL_get_peer_certificate( conn
->ssl_conn
)))
363 ERR("No certificate for server: %s\n", pERR_error_string( pERR_get_error(), 0 ));
364 set_last_error( ERROR_WINHTTP_SECURE_CHANNEL_ERROR
);
367 if ((res
= pSSL_get_verify_result( conn
->ssl_conn
)) != X509_V_OK
)
369 /* FIXME: we should set an error and return, but we only print an error at the moment */
370 ERR("couldn't verify server certificate (%ld)\n", res
);
372 TRACE("established SSL connection\n");
379 pSSL_shutdown( conn
->ssl_conn
);
380 pSSL_free( conn
->ssl_conn
);
381 conn
->ssl_conn
= NULL
;
387 BOOL
netconn_send( netconn_t
*conn
, const void *msg
, size_t len
, int flags
, int *sent
)
389 if (!netconn_connected( conn
)) return FALSE
;
393 if (flags
) FIXME("SSL_write doesn't support any flags (%08x)\n", flags
);
394 *sent
= pSSL_write( conn
->ssl_conn
, msg
, len
);
395 if (*sent
< 1 && len
) return FALSE
;
401 if ((*sent
= send( conn
->socket
, msg
, len
, flags
)) == -1)
403 set_last_error( sock_get_error( errno
) );
409 BOOL
netconn_recv( netconn_t
*conn
, void *buf
, size_t len
, int flags
, int *recvd
)
412 if (!netconn_connected( conn
)) return FALSE
;
413 if (!len
) return TRUE
;
418 if (flags
& ~(MSG_PEEK
| MSG_WAITALL
))
419 FIXME("SSL_read does not support the following flags: %08x\n", flags
);
421 /* this ugly hack is all for MSG_PEEK */
422 if (flags
& MSG_PEEK
&& !conn
->peek_msg
)
424 if (!(conn
->peek_msg
= conn
->peek_msg_mem
= heap_alloc( len
+ 1 ))) return FALSE
;
426 else if (flags
& MSG_PEEK
&& conn
->peek_msg
)
428 if (len
< conn
->peek_len
) FIXME("buffer isn't big enough, should we wrap?\n");
429 *recvd
= min( len
, conn
->peek_len
);
430 memcpy( buf
, conn
->peek_msg
, *recvd
);
433 else if (conn
->peek_msg
)
435 *recvd
= min( len
, conn
->peek_len
);
436 memcpy( buf
, conn
->peek_msg
, *recvd
);
437 conn
->peek_len
-= *recvd
;
438 conn
->peek_msg
+= *recvd
;
440 if (conn
->peek_len
== 0)
442 heap_free( conn
->peek_msg_mem
);
443 conn
->peek_msg_mem
= NULL
;
444 conn
->peek_msg
= NULL
;
446 /* check if we have enough data from the peek buffer */
447 if (!(flags
& MSG_WAITALL
) || (*recvd
== len
)) return TRUE
;
449 *recvd
+= pSSL_read( conn
->ssl_conn
, (char *)buf
+ *recvd
, len
- *recvd
);
450 if (flags
& MSG_PEEK
) /* must copy into buffer */
452 conn
->peek_len
= *recvd
;
455 heap_free( conn
->peek_msg_mem
);
456 conn
->peek_msg_mem
= NULL
;
457 conn
->peek_msg
= NULL
;
459 else memcpy( conn
->peek_msg
, buf
, *recvd
);
461 if (*recvd
< 1 && len
) return FALSE
;
467 if ((*recvd
= recv( conn
->socket
, buf
, len
, flags
)) == -1)
469 set_last_error( sock_get_error( errno
) );
475 BOOL
netconn_query_data_available( netconn_t
*conn
, DWORD
*available
)
481 if (!netconn_connected( conn
)) return FALSE
;
486 if (conn
->peek_msg
) *available
= conn
->peek_len
;
491 if (!(ret
= ioctlsocket( conn
->socket
, FIONREAD
, &unread
))) *available
= unread
;
496 BOOL
netconn_get_next_line( netconn_t
*conn
, char *buffer
, DWORD
*buflen
)
502 if (!netconn_connected( conn
)) return FALSE
;
507 while (recvd
< *buflen
)
510 if (!netconn_recv( conn
, &buffer
[recvd
], 1, 0, &dummy
))
512 set_last_error( ERROR_CONNECTION_ABORTED
);
515 if (buffer
[recvd
] == '\n')
520 if (buffer
[recvd
] != '\r') recvd
++;
526 TRACE("received line %s\n", debugstr_a(buffer
));
534 pfd
.fd
= conn
->socket
;
536 while (recvd
< *buflen
)
540 socklen_t len
= sizeof(tv
);
542 if ((res
= getsockopt( conn
->socket
, SOL_SOCKET
, SO_RCVTIMEO
, (void*)&tv
, &len
) != -1))
543 timeout
= tv
.tv_sec
* 1000 + tv
.tv_usec
/ 1000;
546 if (poll( &pfd
, 1, timeout
) > 0)
548 if ((res
= recv( conn
->socket
, &buffer
[recvd
], 1, 0 )) <= 0)
550 if (res
== -1) set_last_error( sock_get_error( errno
) );
553 if (buffer
[recvd
] == '\n')
558 if (buffer
[recvd
] != '\r') recvd
++;
562 set_last_error( ERROR_WINHTTP_TIMEOUT
);
570 TRACE("received line %s\n", debugstr_a(buffer
));
575 DWORD
netconn_set_timeout( netconn_t
*netconn
, BOOL send
, int value
)
580 /* value is in milliseconds, convert to struct timeval */
581 tv
.tv_sec
= value
/ 1000;
582 tv
.tv_usec
= (value
% 1000) * 1000;
584 if ((res
= setsockopt( netconn
->socket
, SOL_SOCKET
, send
? SO_SNDTIMEO
: SO_RCVTIMEO
, (void*)&tv
, sizeof(tv
) ) == -1))
586 WARN("setsockopt failed (%s)\n", strerror( errno
));
587 return sock_get_error( errno
);
589 return ERROR_SUCCESS
;
592 BOOL
netconn_resolve( WCHAR
*hostnameW
, INTERNET_PORT port
, struct sockaddr
*sa
, socklen_t
*sa_len
)
595 #ifdef HAVE_GETADDRINFO
596 struct addrinfo
*res
, hints
;
600 struct sockaddr_in
*sin
= (struct sockaddr_in
*)sa
;
603 if (!(hostname
= strdupWA( hostnameW
))) return FALSE
;
605 #ifdef HAVE_GETADDRINFO
606 memset( &hints
, 0, sizeof(struct addrinfo
) );
607 /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on
608 * their IPv6 addresses even though they have IPv6 addresses in the DNS.
610 hints
.ai_family
= AF_INET
;
612 ret
= getaddrinfo( hostname
, NULL
, &hints
, &res
);
615 TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW
), gai_strerror(ret
));
616 hints
.ai_family
= AF_INET6
;
617 ret
= getaddrinfo( hostname
, NULL
, &hints
, &res
);
620 TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW
), gai_strerror(ret
));
621 heap_free( hostname
);
625 heap_free( hostname
);
626 if (*sa_len
< res
->ai_addrlen
)
628 WARN("address too small\n");
632 *sa_len
= res
->ai_addrlen
;
633 memcpy( sa
, res
->ai_addr
, res
->ai_addrlen
);
635 switch (res
->ai_family
)
638 ((struct sockaddr_in
*)sa
)->sin_port
= htons( port
);
641 ((struct sockaddr_in6
*)sa
)->sin6_port
= htons( port
);
648 EnterCriticalSection( &cs_gethostbyname
);
650 he
= gethostbyname( hostname
);
651 heap_free( hostname
);
654 TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW
), h_errno
);
655 LeaveCriticalSection( &cs_gethostbyname
);
658 if (*sa_len
< sizeof(struct sockaddr_in
))
660 WARN("address too small\n");
661 LeaveCriticalSection( &cs_gethostbyname
);
664 *sa_len
= sizeof(struct sockaddr_in
);
665 memset( sa
, 0, sizeof(struct sockaddr_in
) );
666 memcpy( &sin
->sin_addr
, he
->h_addr
, he
->h_length
);
667 sin
->sin_family
= he
->h_addrtype
;
668 sin
->sin_port
= htons( port
);
670 LeaveCriticalSection( &cs_gethostbyname
);
675 const void *netconn_get_certificate( netconn_t
*conn
)
679 unsigned char *buffer
, *p
;
682 const CERT_CONTEXT
*ret
;
684 if (!conn
->secure
) return NULL
;
686 if (!(cert
= pSSL_get_peer_certificate( conn
->ssl_conn
))) return NULL
;
688 if ((len
= pi2d_X509( cert
, &p
)) < 0) return NULL
;
690 * SSL 0.9.7 and above malloc the buffer if it is null.
691 * however earlier version do not and so we would need to alloc the buffer.
693 * see the i2d_X509 man page for more details.
697 if (!(buffer
= heap_alloc( len
))) return NULL
;
699 len
= pi2d_X509( cert
, &p
);
707 ret
= CertCreateCertificateContext( X509_ASN_ENCODING
, buffer
, len
);
709 if (malloc
) free( buffer
);
710 else heap_free( buffer
);