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);
127 MAKE_FUNCPTR(i2d_X509);
129 /* OpenSSL's libcrypto functions that we use */
130 MAKE_FUNCPTR(BIO_new_fp);
131 MAKE_FUNCPTR(ERR_get_error);
132 MAKE_FUNCPTR(ERR_error_string);
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);
194 #define DYNCRYPTO(x) \
195 p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
198 ERR("failed to load symbol %s\n", #x); \
199 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
202 DYNCRYPTO(BIO_new_fp);
203 DYNCRYPTO(ERR_get_error);
204 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();
212 connection->peek_msg = NULL;
213 connection->peek_msg_mem = NULL;
215 FIXME("can't use SSL, not compiled in.\n");
216 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
223 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
225 if (connection->socketFD == -1)
231 /* translate a unix error code into a winsock one */
232 static int sock_get_error( int err )
234 #if !defined(__MINGW32__) && !defined (_MSC_VER)
237 case EINTR: return WSAEINTR;
238 case EBADF: return WSAEBADF;
240 case EACCES: return WSAEACCES;
241 case EFAULT: return WSAEFAULT;
242 case EINVAL: return WSAEINVAL;
243 case EMFILE: return WSAEMFILE;
244 case EWOULDBLOCK: return WSAEWOULDBLOCK;
245 case EINPROGRESS: return WSAEINPROGRESS;
246 case EALREADY: return WSAEALREADY;
247 case ENOTSOCK: return WSAENOTSOCK;
248 case EDESTADDRREQ: return WSAEDESTADDRREQ;
249 case EMSGSIZE: return WSAEMSGSIZE;
250 case EPROTOTYPE: return WSAEPROTOTYPE;
251 case ENOPROTOOPT: return WSAENOPROTOOPT;
252 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
253 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
254 case EOPNOTSUPP: return WSAEOPNOTSUPP;
255 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
256 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
257 case EADDRINUSE: return WSAEADDRINUSE;
258 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
259 case ENETDOWN: return WSAENETDOWN;
260 case ENETUNREACH: return WSAENETUNREACH;
261 case ENETRESET: return WSAENETRESET;
262 case ECONNABORTED: return WSAECONNABORTED;
264 case ECONNRESET: return WSAECONNRESET;
265 case ENOBUFS: return WSAENOBUFS;
266 case EISCONN: return WSAEISCONN;
267 case ENOTCONN: return WSAENOTCONN;
268 case ESHUTDOWN: return WSAESHUTDOWN;
269 case ETOOMANYREFS: return WSAETOOMANYREFS;
270 case ETIMEDOUT: return WSAETIMEDOUT;
271 case ECONNREFUSED: return WSAECONNREFUSED;
272 case ELOOP: return WSAELOOP;
273 case ENAMETOOLONG: return WSAENAMETOOLONG;
274 case EHOSTDOWN: return WSAEHOSTDOWN;
275 case EHOSTUNREACH: return WSAEHOSTUNREACH;
276 case ENOTEMPTY: return WSAENOTEMPTY;
278 case EPROCLIM: return WSAEPROCLIM;
281 case EUSERS: return WSAEUSERS;
284 case EDQUOT: return WSAEDQUOT;
287 case ESTALE: return WSAESTALE;
290 case EREMOTE: return WSAEREMOTE;
292 default: errno=err; perror("sock_set_error"); return WSAEFAULT;
298 /******************************************************************************
300 * Basically calls 'socket()'
302 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
303 int type, int protocol)
306 if (connection->useSSL)
310 connection->socketFD = socket(domain, type, protocol);
311 if (connection->socketFD == -1)
313 INTERNET_SetLastError(sock_get_error(errno));
319 /******************************************************************************
321 * Basically calls 'close()' unless we should use SSL
323 BOOL NETCON_close(WININET_NETCONNECTION *connection)
327 if (!NETCON_connected(connection)) return FALSE;
330 if (connection->useSSL)
332 HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
333 connection->peek_msg = NULL;
334 connection->peek_msg_mem = NULL;
335 connection->peek_len = 0;
337 pSSL_shutdown(connection->ssl_s);
338 pSSL_free(connection->ssl_s);
339 connection->ssl_s = NULL;
341 connection->useSSL = FALSE;
345 result = closesocket(connection->socketFD);
346 connection->socketFD = -1;
350 INTERNET_SetLastError(sock_get_error(errno));
356 static BOOL check_hostname(X509 *cert, char *hostname)
358 /* FIXME: implement */
362 /******************************************************************************
363 * NETCON_secure_connect
364 * Initiates a secure connection over an existing plaintext connection.
366 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
374 /* can't connect if we are already connected */
375 if (connection->useSSL)
377 ERR("already connected\n");
381 ctx = pSSL_CTX_new(meth);
382 if (!pSSL_CTX_set_default_verify_paths(ctx))
384 ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
385 pERR_error_string(pERR_get_error(), 0));
386 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
389 connection->ssl_s = pSSL_new(ctx);
390 if (!connection->ssl_s)
392 ERR("SSL_new failed: %s\n",
393 pERR_error_string(pERR_get_error(), 0));
394 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
398 if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
400 ERR("SSL_set_fd failed: %s\n",
401 pERR_error_string(pERR_get_error(), 0));
402 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
406 if (pSSL_connect(connection->ssl_s) <= 0)
408 ERR("SSL_connect failed: %s\n",
409 pERR_error_string(pERR_get_error(), 0));
410 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
413 cert = pSSL_get_peer_certificate(connection->ssl_s);
416 ERR("no certificate for server %s\n", debugstr_w(hostname));
417 /* FIXME: is this the best error? */
418 INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
421 verify_res = pSSL_get_verify_result(connection->ssl_s);
422 if (verify_res != X509_V_OK)
424 ERR("couldn't verify the security of the connection, %ld\n", verify_res);
425 /* FIXME: we should set an error and return, but we only warn at
429 len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
430 hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
433 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
436 WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
438 if (!check_hostname(cert, hostname_unix))
440 HeapFree(GetProcessHeap(), 0, hostname_unix);
441 INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
445 HeapFree(GetProcessHeap(), 0, hostname_unix);
446 connection->useSSL = TRUE;
450 if (connection->ssl_s)
452 pSSL_shutdown(connection->ssl_s);
453 pSSL_free(connection->ssl_s);
454 connection->ssl_s = NULL;
460 /******************************************************************************
462 * Connects to the specified address.
464 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
465 unsigned int addrlen)
469 if (!NETCON_connected(connection)) return FALSE;
471 result = connect(connection->socketFD, serv_addr, addrlen);
474 WARN("Unable to connect to host (%s)\n", strerror(errno));
475 INTERNET_SetLastError(sock_get_error(errno));
477 closesocket(connection->socketFD);
478 connection->socketFD = -1;
485 /******************************************************************************
487 * Basically calls 'send()' unless we should use SSL
488 * number of chars send is put in *sent
490 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
493 if (!NETCON_connected(connection)) return FALSE;
494 if (!connection->useSSL)
496 *sent = send(connection->socketFD, msg, len, flags);
499 INTERNET_SetLastError(sock_get_error(errno));
508 FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
509 *sent = pSSL_write(connection->ssl_s, msg, len);
510 if (*sent < 1 && len)
519 /******************************************************************************
521 * Basically calls 'recv()' unless we should use SSL
522 * number of chars received is put in *recvd
524 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
525 int *recvd /* out */)
528 if (!NETCON_connected(connection)) return FALSE;
531 if (!connection->useSSL)
533 *recvd = recv(connection->socketFD, buf, len, flags);
536 INTERNET_SetLastError(sock_get_error(errno));
544 size_t peek_read = 0, read;
546 if (flags & ~(MSG_PEEK|MSG_WAITALL))
547 FIXME("SSL_read does not support the following flag: %08x\n", flags);
549 /* this ugly hack is all for MSG_PEEK. eww gross */
550 if(connection->peek_msg) {
551 if(connection->peek_len >= len) {
552 memcpy(buf, connection->peek_msg, len);
553 if(!(flags & MSG_PEEK)) {
554 if(connection->peek_len == len) {
555 HeapFree(GetProcessHeap(), 0, connection->peek_msg);
556 connection->peek_msg = NULL;
557 connection->peek_len = 0;
559 memmove(connection->peek_msg, connection->peek_msg+len, connection->peek_len-len);
560 connection->peek_len -= len;
561 connection->peek_msg = HeapReAlloc(GetProcessHeap(), 0, connection->peek_msg, connection->peek_len);
569 memcpy(buf, connection->peek_msg, connection->peek_len);
570 peek_read = connection->peek_len;
572 if(!(flags & MSG_PEEK)) {
573 HeapFree(GetProcessHeap(), 0, connection->peek_msg);
574 connection->peek_msg = NULL;
575 connection->peek_len = 0;
579 read = pSSL_read(connection->ssl_s, (BYTE*)buf+peek_read, len-peek_read);
581 if(flags & MSG_PEEK) {
582 if(connection->peek_msg)
583 connection->peek_msg = HeapReAlloc(GetProcessHeap(), 0, connection->peek_msg,
584 connection->peek_len+read);
586 connection->peek_msg = HeapAlloc(GetProcessHeap(), 0, read);
587 memcpy(connection->peek_msg+connection->peek_len, (BYTE*)buf+peek_read, read);
588 connection->peek_len += read;
591 *recvd = read + peek_read;
592 return *recvd > 0 || !len;
599 /******************************************************************************
600 * NETCON_query_data_available
601 * Returns the number of bytes of peeked data plus the number of bytes of
602 * queued, but unread data.
604 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
607 if (!NETCON_connected(connection))
611 if (connection->peek_msg) *available = connection->peek_len + pSSL_pending(connection->ssl_s);
615 if (!connection->useSSL)
618 int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread);
621 TRACE("%d bytes of queued, but unread data\n", unread);
622 *available += unread;
629 /******************************************************************************
632 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
637 if (!NETCON_connected(connection)) return FALSE;
639 if (!connection->useSSL)
645 pfd.fd = connection->socketFD;
648 while (nRecv < *dwBuffer)
650 if (poll(&pfd,1, RESPONSE_TIMEOUT * 1000) > 0)
652 if ((ret = recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0)) <= 0)
654 if (ret == -1) INTERNET_SetLastError(sock_get_error(errno));
658 if (lpszBuffer[nRecv] == '\n')
660 lpszBuffer[nRecv++] = '\0';
662 TRACE(":%u %s\n", nRecv, debugstr_a(lpszBuffer));
665 if (lpszBuffer[nRecv] != '\r')
670 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
682 prev_timeout = pSSL_CTX_get_timeout(ctx);
683 pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
685 while (nRecv < *dwBuffer)
688 if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
690 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
694 if (lpszBuffer[nRecv] == '\n')
699 if (lpszBuffer[nRecv] != '\r')
703 pSSL_CTX_set_timeout(ctx, prev_timeout);
706 lpszBuffer[nRecv++] = '\0';
708 TRACE("_SSL:%u %s\n", nRecv, lpszBuffer);
717 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
721 unsigned char* buffer,*p;
723 BOOL malloced = FALSE;
726 if (!connection->useSSL)
729 cert = pSSL_get_peer_certificate(connection->ssl_s);
731 len = pi2d_X509(cert,&p);
733 * SSL 0.9.7 and above malloc the buffer if it is null.
734 * however earlier version do not and so we would need to alloc the buffer.
736 * see the i2d_X509 man page for more details.
740 buffer = HeapAlloc(GetProcessHeap(),0,len);
742 len = pi2d_X509(cert,&p);
750 r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
755 HeapFree(GetProcessHeap(),0,buffer);
763 DWORD NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
768 /* FIXME: we should probably store the timeout in the connection to set
769 * when we do connect */
770 if (!NETCON_connected(connection))
771 return ERROR_SUCCESS;
773 /* value is in milliseconds, convert to struct timeval */
774 tv.tv_sec = value / 1000;
775 tv.tv_usec = (value % 1000) * 1000;
777 result = setsockopt(connection->socketFD, SOL_SOCKET,
778 send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv,
783 WARN("setsockopt failed (%s)\n", strerror(errno));
784 return sock_get_error(errno);
787 return ERROR_SUCCESS;