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_get_verify_result);
122 MAKE_FUNCPTR(SSL_get_peer_certificate);
123 MAKE_FUNCPTR(SSL_CTX_get_timeout);
124 MAKE_FUNCPTR(SSL_CTX_set_timeout);
125 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
126 MAKE_FUNCPTR(i2d_X509);
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);
136 BOOL NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
138 connection->useSSL = FALSE;
139 connection->socketFD = -1;
142 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
143 TRACE("using SSL connection\n");
144 if (OpenSSL_ssl_handle) /* already initialized everything */
146 OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
147 if (!OpenSSL_ssl_handle)
149 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
151 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
154 OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
155 if (!OpenSSL_crypto_handle)
157 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
159 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
163 /* mmm nice ugly macroness */
165 p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
168 ERR("failed to load symbol %s\n", #x); \
169 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
173 DYNSSL(SSL_library_init);
174 DYNSSL(SSL_load_error_strings);
175 DYNSSL(SSLv23_method);
181 DYNSSL(SSL_shutdown);
184 DYNSSL(SSL_get_verify_result);
185 DYNSSL(SSL_get_peer_certificate);
186 DYNSSL(SSL_CTX_get_timeout);
187 DYNSSL(SSL_CTX_set_timeout);
188 DYNSSL(SSL_CTX_set_default_verify_paths);
192 #define DYNCRYPTO(x) \
193 p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
196 ERR("failed to load symbol %s\n", #x); \
197 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
200 DYNCRYPTO(BIO_new_fp);
201 DYNCRYPTO(ERR_get_error);
202 DYNCRYPTO(ERR_error_string);
206 pSSL_load_error_strings();
207 pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
209 meth = pSSLv23_method();
210 connection->peek_msg = NULL;
211 connection->peek_msg_mem = NULL;
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 HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
331 connection->peek_msg = NULL;
332 connection->peek_msg_mem = NULL;
333 connection->peek_len = 0;
335 pSSL_shutdown(connection->ssl_s);
336 pSSL_free(connection->ssl_s);
337 connection->ssl_s = NULL;
339 connection->useSSL = FALSE;
343 result = closesocket(connection->socketFD);
344 connection->socketFD = -1;
348 INTERNET_SetLastError(sock_get_error(errno));
354 static BOOL check_hostname(X509 *cert, char *hostname)
356 /* FIXME: implement */
360 /******************************************************************************
361 * NETCON_secure_connect
362 * Initiates a secure connection over an existing plaintext connection.
364 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
372 /* can't connect if we are already connected */
373 if (connection->useSSL)
375 ERR("already connected\n");
379 ctx = pSSL_CTX_new(meth);
380 if (!pSSL_CTX_set_default_verify_paths(ctx))
382 ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
383 pERR_error_string(pERR_get_error(), 0));
384 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
387 connection->ssl_s = pSSL_new(ctx);
388 if (!connection->ssl_s)
390 ERR("SSL_new failed: %s\n",
391 pERR_error_string(pERR_get_error(), 0));
392 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
396 if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
398 ERR("SSL_set_fd failed: %s\n",
399 pERR_error_string(pERR_get_error(), 0));
400 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
404 if (pSSL_connect(connection->ssl_s) <= 0)
406 ERR("SSL_connect failed: %s\n",
407 pERR_error_string(pERR_get_error(), 0));
408 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
411 cert = pSSL_get_peer_certificate(connection->ssl_s);
414 ERR("no certificate for server %s\n", debugstr_w(hostname));
415 /* FIXME: is this the best error? */
416 INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
419 verify_res = pSSL_get_verify_result(connection->ssl_s);
420 if (verify_res != X509_V_OK)
422 ERR("couldn't verify the security of the connection, %ld\n", verify_res);
423 /* FIXME: we should set an error and return, but we only warn at
427 len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
428 hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
431 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
434 WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
436 if (!check_hostname(cert, hostname_unix))
438 HeapFree(GetProcessHeap(), 0, hostname_unix);
439 INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
443 HeapFree(GetProcessHeap(), 0, hostname_unix);
444 connection->useSSL = TRUE;
448 if (connection->ssl_s)
450 pSSL_shutdown(connection->ssl_s);
451 pSSL_free(connection->ssl_s);
452 connection->ssl_s = NULL;
458 /******************************************************************************
460 * Connects to the specified address.
462 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
463 unsigned int addrlen)
467 if (!NETCON_connected(connection)) return FALSE;
469 result = connect(connection->socketFD, serv_addr, addrlen);
472 WARN("Unable to connect to host (%s)\n", strerror(errno));
473 INTERNET_SetLastError(sock_get_error(errno));
475 closesocket(connection->socketFD);
476 connection->socketFD = -1;
483 /******************************************************************************
485 * Basically calls 'send()' unless we should use SSL
486 * number of chars send is put in *sent
488 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
491 if (!NETCON_connected(connection)) return FALSE;
492 if (!connection->useSSL)
494 *sent = send(connection->socketFD, msg, len, flags);
497 INTERNET_SetLastError(sock_get_error(errno));
506 FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
507 *sent = pSSL_write(connection->ssl_s, msg, len);
508 if (*sent < 1 && len)
517 /******************************************************************************
519 * Basically calls 'recv()' unless we should use SSL
520 * number of chars received is put in *recvd
522 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
523 int *recvd /* out */)
526 if (!NETCON_connected(connection)) return FALSE;
529 if (!connection->useSSL)
531 *recvd = recv(connection->socketFD, buf, len, flags);
534 INTERNET_SetLastError(sock_get_error(errno));
542 if (flags & ~(MSG_PEEK|MSG_WAITALL))
543 FIXME("SSL_read does not support the following flag: %08x\n", flags);
545 /* this ugly hack is all for MSG_PEEK. eww gross */
546 if (flags & MSG_PEEK && !connection->peek_msg)
548 connection->peek_msg = connection->peek_msg_mem = HeapAlloc(GetProcessHeap(), 0, (sizeof(char) * len) + 1);
550 else if (flags & MSG_PEEK && connection->peek_msg)
552 if (len < connection->peek_len)
553 FIXME("buffer isn't big enough. Do the expect us to wrap?\n");
554 *recvd = min(len, connection->peek_len);
555 memcpy(buf, connection->peek_msg, *recvd);
558 else if (connection->peek_msg)
560 *recvd = min(len, connection->peek_len);
561 memcpy(buf, connection->peek_msg, *recvd);
562 connection->peek_len -= *recvd;
563 connection->peek_msg += *recvd;
564 if (connection->peek_len == 0)
566 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
567 connection->peek_msg_mem = NULL;
568 connection->peek_msg = NULL;
570 /* check if we got enough data from the peek buffer */
571 if (!(flags & MSG_WAITALL) || (*recvd == len))
573 /* otherwise, fall through */
575 *recvd += pSSL_read(connection->ssl_s, (char*)buf + *recvd, len - *recvd);
576 if (flags & MSG_PEEK) /* must copy stuff into buffer */
578 connection->peek_len = *recvd;
581 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
582 connection->peek_msg_mem = NULL;
583 connection->peek_msg = NULL;
586 memcpy(connection->peek_msg, buf, *recvd);
588 if (*recvd < 1 && len)
597 /******************************************************************************
598 * NETCON_query_data_available
599 * Returns the number of bytes of peeked data plus the number of bytes of
600 * queued, but unread data.
602 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
605 if (!NETCON_connected(connection))
609 if (connection->peek_msg) *available = connection->peek_len;
613 if (!connection->useSSL)
616 int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread);
619 TRACE("%d bytes of queued, but unread data\n", unread);
620 *available += unread;
627 /******************************************************************************
630 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
635 if (!NETCON_connected(connection)) return FALSE;
637 if (!connection->useSSL)
643 pfd.fd = connection->socketFD;
646 while (nRecv < *dwBuffer)
648 if (poll(&pfd,1, RESPONSE_TIMEOUT * 1000) > 0)
650 if ((ret = recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0)) <= 0)
652 if (ret == -1) INTERNET_SetLastError(sock_get_error(errno));
656 if (lpszBuffer[nRecv] == '\n')
658 lpszBuffer[nRecv++] = '\0';
660 TRACE(":%u %s\n", nRecv, lpszBuffer);
663 if (lpszBuffer[nRecv] != '\r')
668 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
680 prev_timeout = pSSL_CTX_get_timeout(ctx);
681 pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
683 while (nRecv < *dwBuffer)
686 if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
688 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
692 if (lpszBuffer[nRecv] == '\n')
697 if (lpszBuffer[nRecv] != '\r')
701 pSSL_CTX_set_timeout(ctx, prev_timeout);
704 lpszBuffer[nRecv++] = '\0';
706 TRACE("_SSL:%u %s\n", nRecv, lpszBuffer);
715 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
719 unsigned char* buffer,*p;
721 BOOL malloced = FALSE;
724 if (!connection->useSSL)
727 cert = pSSL_get_peer_certificate(connection->ssl_s);
729 len = pi2d_X509(cert,&p);
731 * SSL 0.9.7 and above malloc the buffer if it is null.
732 * however earlier version do not and so we would need to alloc the buffer.
734 * see the i2d_X509 man page for more details.
738 buffer = HeapAlloc(GetProcessHeap(),0,len);
740 len = pi2d_X509(cert,&p);
748 r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
753 HeapFree(GetProcessHeap(),0,buffer);
761 DWORD NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
766 /* FIXME: we should probably store the timeout in the connection to set
767 * when we do connect */
768 if (!NETCON_connected(connection))
769 return ERROR_SUCCESS;
771 /* value is in milliseconds, convert to struct timeval */
772 tv.tv_sec = value / 1000;
773 tv.tv_usec = (value % 1000) * 1000;
775 result = setsockopt(connection->socketFD, SOL_SOCKET,
776 send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv,
781 WARN("setsockopt failed (%s)\n", strerror(errno));
782 return sock_get_error(errno);
785 return ERROR_SUCCESS;