2 * Wininet - networking layer. Uses unix sockets or OpenSSL.
4 * Copyright 2002 TransGaming Technologies Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
26 #if defined(__MINGW32__) || defined (_MSC_VER)
30 #include <sys/types.h>
34 #ifdef HAVE_SYS_POLL_H
35 # include <sys/poll.h>
37 #ifdef HAVE_SYS_TIME_H
38 # include <sys/time.h>
40 #ifdef HAVE_SYS_SOCKET_H
41 # include <sys/socket.h>
43 #ifdef HAVE_SYS_FILIO_H
44 # include <sys/filio.h>
49 #ifdef HAVE_SYS_IOCTL_H
50 # include <sys/ioctl.h>
56 #ifdef HAVE_NETINET_IN_H
57 # include <netinet/in.h>
59 #ifdef HAVE_OPENSSL_SSL_H
60 # include <openssl/ssl.h>
71 #include "wine/library.h"
78 #include "wine/debug.h"
81 /* To avoid conflicts with the Unix socket headers. we only need it for
82 * the error codes anyway. */
86 #define RESPONSE_TIMEOUT 30 /* FROM internet.c */
89 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
92 * This should use winsock - To use winsock the functions will have to change a bit
93 * as they are designed for unix sockets.
94 * SSL stuff should use crypt32.dll
99 #include <openssl/err.h>
101 static void *OpenSSL_ssl_handle;
102 static void *OpenSSL_crypto_handle;
104 static SSL_METHOD *meth;
107 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
109 /* OpenSSL functions that we use */
110 MAKE_FUNCPTR(SSL_library_init);
111 MAKE_FUNCPTR(SSL_load_error_strings);
112 MAKE_FUNCPTR(SSLv23_method);
113 MAKE_FUNCPTR(SSL_CTX_new);
114 MAKE_FUNCPTR(SSL_new);
115 MAKE_FUNCPTR(SSL_free);
116 MAKE_FUNCPTR(SSL_set_fd);
117 MAKE_FUNCPTR(SSL_connect);
118 MAKE_FUNCPTR(SSL_shutdown);
119 MAKE_FUNCPTR(SSL_write);
120 MAKE_FUNCPTR(SSL_read);
121 MAKE_FUNCPTR(SSL_pending);
122 MAKE_FUNCPTR(SSL_get_verify_result);
123 MAKE_FUNCPTR(SSL_get_peer_certificate);
124 MAKE_FUNCPTR(SSL_CTX_get_timeout);
125 MAKE_FUNCPTR(SSL_CTX_set_timeout);
126 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
128 /* OpenSSL's libcrypto functions that we use */
129 MAKE_FUNCPTR(BIO_new_fp);
130 MAKE_FUNCPTR(ERR_get_error);
131 MAKE_FUNCPTR(ERR_error_string);
132 MAKE_FUNCPTR(i2d_X509);
137 BOOL NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
139 connection->useSSL = FALSE;
140 connection->socketFD = -1;
143 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
144 TRACE("using SSL connection\n");
145 if (OpenSSL_ssl_handle) /* already initialized everything */
147 OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
148 if (!OpenSSL_ssl_handle)
150 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
152 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
155 OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
156 if (!OpenSSL_crypto_handle)
158 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
160 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
164 /* mmm nice ugly macroness */
166 p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
169 ERR("failed to load symbol %s\n", #x); \
170 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
174 DYNSSL(SSL_library_init);
175 DYNSSL(SSL_load_error_strings);
176 DYNSSL(SSLv23_method);
182 DYNSSL(SSL_shutdown);
186 DYNSSL(SSL_get_verify_result);
187 DYNSSL(SSL_get_peer_certificate);
188 DYNSSL(SSL_CTX_get_timeout);
189 DYNSSL(SSL_CTX_set_timeout);
190 DYNSSL(SSL_CTX_set_default_verify_paths);
193 #define DYNCRYPTO(x) \
194 p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
197 ERR("failed to load symbol %s\n", #x); \
198 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
201 DYNCRYPTO(BIO_new_fp);
202 DYNCRYPTO(ERR_get_error);
203 DYNCRYPTO(ERR_error_string);
208 pSSL_load_error_strings();
209 pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
211 meth = pSSLv23_method();
213 FIXME("can't use SSL, not compiled in.\n");
214 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
221 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
223 if (connection->socketFD == -1)
229 /* translate a unix error code into a winsock one */
230 static int sock_get_error( int err )
232 #if !defined(__MINGW32__) && !defined (_MSC_VER)
235 case EINTR: return WSAEINTR;
236 case EBADF: return WSAEBADF;
238 case EACCES: return WSAEACCES;
239 case EFAULT: return WSAEFAULT;
240 case EINVAL: return WSAEINVAL;
241 case EMFILE: return WSAEMFILE;
242 case EWOULDBLOCK: return WSAEWOULDBLOCK;
243 case EINPROGRESS: return WSAEINPROGRESS;
244 case EALREADY: return WSAEALREADY;
245 case ENOTSOCK: return WSAENOTSOCK;
246 case EDESTADDRREQ: return WSAEDESTADDRREQ;
247 case EMSGSIZE: return WSAEMSGSIZE;
248 case EPROTOTYPE: return WSAEPROTOTYPE;
249 case ENOPROTOOPT: return WSAENOPROTOOPT;
250 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
251 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
252 case EOPNOTSUPP: return WSAEOPNOTSUPP;
253 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
254 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
255 case EADDRINUSE: return WSAEADDRINUSE;
256 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
257 case ENETDOWN: return WSAENETDOWN;
258 case ENETUNREACH: return WSAENETUNREACH;
259 case ENETRESET: return WSAENETRESET;
260 case ECONNABORTED: return WSAECONNABORTED;
262 case ECONNRESET: return WSAECONNRESET;
263 case ENOBUFS: return WSAENOBUFS;
264 case EISCONN: return WSAEISCONN;
265 case ENOTCONN: return WSAENOTCONN;
266 case ESHUTDOWN: return WSAESHUTDOWN;
267 case ETOOMANYREFS: return WSAETOOMANYREFS;
268 case ETIMEDOUT: return WSAETIMEDOUT;
269 case ECONNREFUSED: return WSAECONNREFUSED;
270 case ELOOP: return WSAELOOP;
271 case ENAMETOOLONG: return WSAENAMETOOLONG;
272 case EHOSTDOWN: return WSAEHOSTDOWN;
273 case EHOSTUNREACH: return WSAEHOSTUNREACH;
274 case ENOTEMPTY: return WSAENOTEMPTY;
276 case EPROCLIM: return WSAEPROCLIM;
279 case EUSERS: return WSAEUSERS;
282 case EDQUOT: return WSAEDQUOT;
285 case ESTALE: return WSAESTALE;
288 case EREMOTE: return WSAEREMOTE;
290 default: errno=err; perror("sock_set_error"); return WSAEFAULT;
296 /******************************************************************************
298 * Basically calls 'socket()'
300 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
301 int type, int protocol)
304 if (connection->useSSL)
308 connection->socketFD = socket(domain, type, protocol);
309 if (connection->socketFD == -1)
311 INTERNET_SetLastError(sock_get_error(errno));
317 /******************************************************************************
319 * Basically calls 'close()' unless we should use SSL
321 BOOL NETCON_close(WININET_NETCONNECTION *connection)
325 if (!NETCON_connected(connection)) return FALSE;
328 if (connection->useSSL)
330 pSSL_shutdown(connection->ssl_s);
331 pSSL_free(connection->ssl_s);
332 connection->ssl_s = NULL;
334 connection->useSSL = FALSE;
338 result = closesocket(connection->socketFD);
339 connection->socketFD = -1;
343 INTERNET_SetLastError(sock_get_error(errno));
349 static BOOL check_hostname(X509 *cert, char *hostname)
351 /* FIXME: implement */
355 /******************************************************************************
356 * NETCON_secure_connect
357 * Initiates a secure connection over an existing plaintext connection.
359 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
367 /* can't connect if we are already connected */
368 if (connection->useSSL)
370 ERR("already connected\n");
374 ctx = pSSL_CTX_new(meth);
375 if (!pSSL_CTX_set_default_verify_paths(ctx))
377 ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
378 pERR_error_string(pERR_get_error(), 0));
379 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
382 connection->ssl_s = pSSL_new(ctx);
383 if (!connection->ssl_s)
385 ERR("SSL_new failed: %s\n",
386 pERR_error_string(pERR_get_error(), 0));
387 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
391 if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
393 ERR("SSL_set_fd failed: %s\n",
394 pERR_error_string(pERR_get_error(), 0));
395 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
399 if (pSSL_connect(connection->ssl_s) <= 0)
401 ERR("SSL_connect failed: %s\n",
402 pERR_error_string(pERR_get_error(), 0));
403 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
406 cert = pSSL_get_peer_certificate(connection->ssl_s);
409 ERR("no certificate for server %s\n", debugstr_w(hostname));
410 /* FIXME: is this the best error? */
411 INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
414 verify_res = pSSL_get_verify_result(connection->ssl_s);
415 if (verify_res != X509_V_OK)
417 ERR("couldn't verify the security of the connection, %ld\n", verify_res);
418 /* FIXME: we should set an error and return, but we only warn at
422 len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
423 hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
426 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
429 WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
431 if (!check_hostname(cert, hostname_unix))
433 HeapFree(GetProcessHeap(), 0, hostname_unix);
434 INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
438 HeapFree(GetProcessHeap(), 0, hostname_unix);
439 connection->useSSL = TRUE;
443 if (connection->ssl_s)
445 pSSL_shutdown(connection->ssl_s);
446 pSSL_free(connection->ssl_s);
447 connection->ssl_s = NULL;
453 /******************************************************************************
455 * Connects to the specified address.
457 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
458 unsigned int addrlen)
462 if (!NETCON_connected(connection)) return FALSE;
464 result = connect(connection->socketFD, serv_addr, addrlen);
467 WARN("Unable to connect to host (%s)\n", strerror(errno));
468 INTERNET_SetLastError(sock_get_error(errno));
470 closesocket(connection->socketFD);
471 connection->socketFD = -1;
478 /******************************************************************************
480 * Basically calls 'send()' unless we should use SSL
481 * number of chars send is put in *sent
483 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
486 if (!NETCON_connected(connection)) return FALSE;
487 if (!connection->useSSL)
489 *sent = send(connection->socketFD, msg, len, flags);
492 INTERNET_SetLastError(sock_get_error(errno));
501 FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
502 *sent = pSSL_write(connection->ssl_s, msg, len);
503 if (*sent < 1 && len)
512 /******************************************************************************
514 * Basically calls 'recv()' unless we should use SSL
515 * number of chars received is put in *recvd
517 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
518 int *recvd /* out */)
521 if (!NETCON_connected(connection)) return FALSE;
524 if (!connection->useSSL)
526 *recvd = recv(connection->socketFD, buf, len, flags);
529 INTERNET_SetLastError(sock_get_error(errno));
537 *recvd = pSSL_read(connection->ssl_s, buf, len);
538 return *recvd > 0 || !len;
545 /******************************************************************************
546 * NETCON_query_data_available
547 * Returns the number of bytes of peeked data plus the number of bytes of
548 * queued, but unread data.
550 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
553 if (!NETCON_connected(connection))
556 if (!connection->useSSL)
560 int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread);
563 TRACE("%d bytes of queued, but unread data\n", unread);
564 *available += unread;
571 *available = pSSL_pending(connection->ssl_s);
577 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
581 unsigned char* buffer,*p;
583 BOOL malloced = FALSE;
586 if (!connection->useSSL)
589 cert = pSSL_get_peer_certificate(connection->ssl_s);
591 len = pi2d_X509(cert,&p);
593 * SSL 0.9.7 and above malloc the buffer if it is null.
594 * however earlier version do not and so we would need to alloc the buffer.
596 * see the i2d_X509 man page for more details.
600 buffer = HeapAlloc(GetProcessHeap(),0,len);
602 len = pi2d_X509(cert,&p);
610 r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
615 HeapFree(GetProcessHeap(),0,buffer);
623 DWORD NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
628 /* FIXME: we should probably store the timeout in the connection to set
629 * when we do connect */
630 if (!NETCON_connected(connection))
631 return ERROR_SUCCESS;
633 /* value is in milliseconds, convert to struct timeval */
634 tv.tv_sec = value / 1000;
635 tv.tv_usec = (value % 1000) * 1000;
637 result = setsockopt(connection->socketFD, SOL_SOCKET,
638 send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv,
643 WARN("setsockopt failed (%s)\n", strerror(errno));
644 return sock_get_error(errno);
647 return ERROR_SUCCESS;