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 #ifdef HAVE_SYS_TIME_H
27 # include <sys/time.h>
29 #include <sys/types.h>
30 #ifdef HAVE_SYS_SOCKET_H
31 # include <sys/socket.h>
36 #ifdef HAVE_SYS_IOCTL_H
37 # include <sys/ioctl.h>
45 #include "wine/library.h"
52 /* To avoid conflicts with the Unix socket headers. we only need it for
53 * the error codes anyway. */
57 #include "wine/debug.h"
60 #define RESPONSE_TIMEOUT 30 /* FROM internet.c */
63 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
66 * This should use winsock - To use winsock the functions will have to change a bit
67 * as they are designed for unix sockets.
68 * SSL stuff should use crypt32.dll
73 #include <openssl/err.h>
75 static void *OpenSSL_ssl_handle;
76 static void *OpenSSL_crypto_handle;
78 static SSL_METHOD *meth;
81 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
83 /* OpenSSL functions that we use */
84 MAKE_FUNCPTR(SSL_library_init);
85 MAKE_FUNCPTR(SSL_load_error_strings);
86 MAKE_FUNCPTR(SSLv23_method);
87 MAKE_FUNCPTR(SSL_CTX_new);
88 MAKE_FUNCPTR(SSL_new);
89 MAKE_FUNCPTR(SSL_free);
90 MAKE_FUNCPTR(SSL_set_fd);
91 MAKE_FUNCPTR(SSL_connect);
92 MAKE_FUNCPTR(SSL_shutdown);
93 MAKE_FUNCPTR(SSL_write);
94 MAKE_FUNCPTR(SSL_read);
95 MAKE_FUNCPTR(SSL_get_verify_result);
96 MAKE_FUNCPTR(SSL_get_peer_certificate);
97 MAKE_FUNCPTR(SSL_CTX_get_timeout);
98 MAKE_FUNCPTR(SSL_CTX_set_timeout);
99 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
100 MAKE_FUNCPTR(i2d_X509);
102 /* OpenSSL's libcrypto functions that we use */
103 MAKE_FUNCPTR(BIO_new_fp);
104 MAKE_FUNCPTR(ERR_get_error);
105 MAKE_FUNCPTR(ERR_error_string);
110 BOOL NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
112 connection->useSSL = FALSE;
113 connection->socketFD = -1;
117 TRACE("using SSL connection\n");
118 if (OpenSSL_ssl_handle) /* already initialized everything */
120 OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
121 if (!OpenSSL_ssl_handle)
123 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
125 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
128 OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
129 if (!OpenSSL_crypto_handle)
131 ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
133 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
137 /* mmm nice ugly macroness */
139 p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
142 ERR("failed to load symbol %s\n", #x); \
143 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
147 DYNSSL(SSL_library_init);
148 DYNSSL(SSL_load_error_strings);
149 DYNSSL(SSLv23_method);
155 DYNSSL(SSL_shutdown);
158 DYNSSL(SSL_get_verify_result);
159 DYNSSL(SSL_get_peer_certificate);
160 DYNSSL(SSL_CTX_get_timeout);
161 DYNSSL(SSL_CTX_set_timeout);
162 DYNSSL(SSL_CTX_set_default_verify_paths);
166 #define DYNCRYPTO(x) \
167 p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
170 ERR("failed to load symbol %s\n", #x); \
171 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
174 DYNCRYPTO(BIO_new_fp);
175 DYNCRYPTO(ERR_get_error);
176 DYNCRYPTO(ERR_error_string);
180 pSSL_load_error_strings();
181 pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
183 meth = pSSLv23_method();
184 connection->peek_msg = NULL;
185 connection->peek_msg_mem = NULL;
187 FIXME("can't use SSL, not compiled in.\n");
188 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
195 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
197 if (connection->socketFD == -1)
203 /* translate a unix error code into a winsock one */
204 static int sock_get_error( int err )
208 case EINTR: return WSAEINTR;
209 case EBADF: return WSAEBADF;
211 case EACCES: return WSAEACCES;
212 case EFAULT: return WSAEFAULT;
213 case EINVAL: return WSAEINVAL;
214 case EMFILE: return WSAEMFILE;
215 case EWOULDBLOCK: return WSAEWOULDBLOCK;
216 case EINPROGRESS: return WSAEINPROGRESS;
217 case EALREADY: return WSAEALREADY;
218 case ENOTSOCK: return WSAENOTSOCK;
219 case EDESTADDRREQ: return WSAEDESTADDRREQ;
220 case EMSGSIZE: return WSAEMSGSIZE;
221 case EPROTOTYPE: return WSAEPROTOTYPE;
222 case ENOPROTOOPT: return WSAENOPROTOOPT;
223 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
224 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
225 case EOPNOTSUPP: return WSAEOPNOTSUPP;
226 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
227 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
228 case EADDRINUSE: return WSAEADDRINUSE;
229 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
230 case ENETDOWN: return WSAENETDOWN;
231 case ENETUNREACH: return WSAENETUNREACH;
232 case ENETRESET: return WSAENETRESET;
233 case ECONNABORTED: return WSAECONNABORTED;
235 case ECONNRESET: return WSAECONNRESET;
236 case ENOBUFS: return WSAENOBUFS;
237 case EISCONN: return WSAEISCONN;
238 case ENOTCONN: return WSAENOTCONN;
239 case ESHUTDOWN: return WSAESHUTDOWN;
240 case ETOOMANYREFS: return WSAETOOMANYREFS;
241 case ETIMEDOUT: return WSAETIMEDOUT;
242 case ECONNREFUSED: return WSAECONNREFUSED;
243 case ELOOP: return WSAELOOP;
244 case ENAMETOOLONG: return WSAENAMETOOLONG;
245 case EHOSTDOWN: return WSAEHOSTDOWN;
246 case EHOSTUNREACH: return WSAEHOSTUNREACH;
247 case ENOTEMPTY: return WSAENOTEMPTY;
249 case EPROCLIM: return WSAEPROCLIM;
252 case EUSERS: return WSAEUSERS;
255 case EDQUOT: return WSAEDQUOT;
258 case ESTALE: return WSAESTALE;
261 case EREMOTE: return WSAEREMOTE;
263 default: errno=err; perror("sock_set_error"); return WSAEFAULT;
267 /******************************************************************************
269 * Basically calls 'socket()'
271 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
272 int type, int protocol)
275 if (connection->useSSL)
279 connection->socketFD = socket(domain, type, protocol);
280 if (connection->socketFD == -1)
282 INTERNET_SetLastError(sock_get_error(errno));
288 /******************************************************************************
290 * Basically calls 'close()' unless we should use SSL
292 BOOL NETCON_close(WININET_NETCONNECTION *connection)
296 if (!NETCON_connected(connection)) return FALSE;
299 if (connection->useSSL)
301 HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
302 connection->peek_msg = NULL;
303 connection->peek_msg_mem = NULL;
304 connection->peek_len = 0;
306 pSSL_shutdown(connection->ssl_s);
307 pSSL_free(connection->ssl_s);
308 connection->ssl_s = NULL;
310 connection->useSSL = FALSE;
314 result = closesocket(connection->socketFD);
315 connection->socketFD = -1;
319 INTERNET_SetLastError(sock_get_error(errno));
325 static BOOL check_hostname(X509 *cert, char *hostname)
327 /* FIXME: implement */
331 /******************************************************************************
332 * NETCON_secure_connect
333 * Initiates a secure connection over an existing plaintext connection.
335 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
343 /* can't connect if we are already connected */
344 if (connection->useSSL)
346 ERR("already connected\n");
350 ctx = pSSL_CTX_new(meth);
351 if (!pSSL_CTX_set_default_verify_paths(ctx))
353 ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
354 pERR_error_string(pERR_get_error(), 0));
355 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
358 connection->ssl_s = pSSL_new(ctx);
359 if (!connection->ssl_s)
361 ERR("SSL_new failed: %s\n",
362 pERR_error_string(pERR_get_error(), 0));
363 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
367 if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
369 ERR("SSL_set_fd failed: %s\n",
370 pERR_error_string(pERR_get_error(), 0));
371 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
375 if (pSSL_connect(connection->ssl_s) <= 0)
377 ERR("SSL_connect failed: %s\n",
378 pERR_error_string(pERR_get_error(), 0));
379 INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
382 cert = pSSL_get_peer_certificate(connection->ssl_s);
385 ERR("no certificate for server %s\n", debugstr_w(hostname));
386 /* FIXME: is this the best error? */
387 INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
390 verify_res = pSSL_get_verify_result(connection->ssl_s);
391 if (verify_res != X509_V_OK)
393 ERR("couldn't verify the security of the connection, %ld\n", verify_res);
394 /* FIXME: we should set an error and return, but we only warn at
398 len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
399 hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
402 INTERNET_SetLastError(ERROR_OUTOFMEMORY);
405 WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
407 if (!check_hostname(cert, hostname_unix))
409 HeapFree(GetProcessHeap(), 0, hostname_unix);
410 INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
414 HeapFree(GetProcessHeap(), 0, hostname_unix);
415 connection->useSSL = TRUE;
419 if (connection->ssl_s)
421 pSSL_shutdown(connection->ssl_s);
422 pSSL_free(connection->ssl_s);
423 connection->ssl_s = NULL;
429 /******************************************************************************
431 * Connects to the specified address.
433 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
434 unsigned int addrlen)
438 if (!NETCON_connected(connection)) return FALSE;
440 result = connect(connection->socketFD, serv_addr, addrlen);
443 WARN("Unable to connect to host (%s)\n", strerror(errno));
444 INTERNET_SetLastError(sock_get_error(errno));
446 closesocket(connection->socketFD);
447 connection->socketFD = -1;
454 /******************************************************************************
456 * Basically calls 'send()' unless we should use SSL
457 * number of chars send is put in *sent
459 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
462 if (!NETCON_connected(connection)) return FALSE;
463 if (!connection->useSSL)
465 *sent = send(connection->socketFD, msg, len, flags);
468 INTERNET_SetLastError(sock_get_error(errno));
477 FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
478 *sent = pSSL_write(connection->ssl_s, msg, len);
479 if (*sent < 1 && len)
488 /******************************************************************************
490 * Basically calls 'recv()' unless we should use SSL
491 * number of chars received is put in *recvd
493 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
494 int *recvd /* out */)
497 if (!NETCON_connected(connection)) return FALSE;
500 if (!connection->useSSL)
502 *recvd = recv(connection->socketFD, buf, len, flags);
505 INTERNET_SetLastError(sock_get_error(errno));
513 if (flags & ~(MSG_PEEK|MSG_WAITALL))
514 FIXME("SSL_read does not support the following flag: %08x\n", flags);
516 /* this ugly hack is all for MSG_PEEK. eww gross */
517 if (flags & MSG_PEEK && !connection->peek_msg)
519 connection->peek_msg = connection->peek_msg_mem = HeapAlloc(GetProcessHeap(), 0, (sizeof(char) * len) + 1);
521 else if (flags & MSG_PEEK && connection->peek_msg)
523 if (len < connection->peek_len)
524 FIXME("buffer isn't big enough. Do the expect us to wrap?\n");
525 *recvd = min(len, connection->peek_len);
526 memcpy(buf, connection->peek_msg, *recvd);
529 else if (connection->peek_msg)
531 *recvd = min(len, connection->peek_len);
532 memcpy(buf, connection->peek_msg, *recvd);
533 connection->peek_len -= *recvd;
534 connection->peek_msg += *recvd;
535 if (connection->peek_len == 0)
537 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
538 connection->peek_msg_mem = NULL;
539 connection->peek_msg = NULL;
541 /* check if we got enough data from the peek buffer */
542 if (!(flags & MSG_WAITALL) || (*recvd == len))
544 /* otherwise, fall through */
546 *recvd += pSSL_read(connection->ssl_s, (char*)buf + *recvd, len - *recvd);
547 if (flags & MSG_PEEK) /* must copy stuff into buffer */
549 connection->peek_len = *recvd;
552 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
553 connection->peek_msg_mem = NULL;
554 connection->peek_msg = NULL;
557 memcpy(connection->peek_msg, buf, *recvd);
559 if (*recvd < 1 && len)
568 /******************************************************************************
569 * NETCON_query_data_available
570 * Returns the number of bytes of peeked data plus the number of bytes of
571 * queued, but unread data.
573 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
576 if (!NETCON_connected(connection))
580 if (connection->peek_msg) *available = connection->peek_len;
584 if (!connection->useSSL)
587 int retval = ioctl(connection->socketFD, FIONREAD, &unread);
590 TRACE("%d bytes of queued, but unread data\n", unread);
591 *available += unread;
598 /******************************************************************************
601 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
606 if (!NETCON_connected(connection)) return FALSE;
608 if (!connection->useSSL)
612 BOOL bSuccess = FALSE;
616 FD_SET(connection->socketFD, &infd);
617 tv.tv_sec=RESPONSE_TIMEOUT;
620 while (nRecv < *dwBuffer)
622 if (select(connection->socketFD+1,&infd,NULL,NULL,&tv) > 0)
624 if (recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0) <= 0)
626 INTERNET_SetLastError(sock_get_error(errno));
630 if (lpszBuffer[nRecv] == '\n')
635 if (lpszBuffer[nRecv] != '\r')
640 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
645 lend: /* FIXME: don't use labels */
648 lpszBuffer[nRecv++] = '\0';
650 TRACE(":%u %s\n", nRecv, lpszBuffer);
665 prev_timeout = pSSL_CTX_get_timeout(ctx);
666 pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
668 while (nRecv < *dwBuffer)
671 if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
673 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
677 if (lpszBuffer[nRecv] == '\n')
682 if (lpszBuffer[nRecv] != '\r')
686 pSSL_CTX_set_timeout(ctx, prev_timeout);
689 lpszBuffer[nRecv++] = '\0';
691 TRACE("_SSL:%u %s\n", nRecv, lpszBuffer);
702 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
706 unsigned char* buffer,*p;
708 BOOL malloced = FALSE;
711 if (!connection->useSSL)
714 cert = pSSL_get_peer_certificate(connection->ssl_s);
716 len = pi2d_X509(cert,&p);
718 * SSL 0.9.7 and above malloc the buffer if it is null.
719 * however earlier version do not and so we would need to alloc the buffer.
721 * see the i2d_X509 man page for more details.
725 buffer = HeapAlloc(GetProcessHeap(),0,len);
727 len = pi2d_X509(cert,&p);
735 r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
740 HeapFree(GetProcessHeap(),0,buffer);
748 BOOL NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
753 /* FIXME: we should probably store the timeout in the connection to set
754 * when we do connect */
755 if (!NETCON_connected(connection))
758 /* value is in milliseconds, convert to struct timeval */
759 tv.tv_sec = value / 1000;
760 tv.tv_usec = (value % 1000) * 1000;
762 result = setsockopt(connection->socketFD, SOL_SOCKET,
763 send ? SO_SNDTIMEO : SO_RCVTIMEO, &tv,
768 WARN("setsockopt failed (%s)\n", strerror(errno));
769 INTERNET_SetLastError(sock_get_error(errno));