git.oblomov.eu Git - wine/blob - dlls/wininet/netconnection.c

   1 /*
   2  * Wininet - networking layer. Uses unix sockets or OpenSSL.
   3  *
   4  * Copyright 2002 TransGaming Technologies Inc.
   5  *
   6  * David Hammerton
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #ifdef HAVE_SYS_TIME_H
  27 # include <sys/time.h>
  28 #endif
  29 #include <sys/types.h>
  30 #ifdef HAVE_SYS_SOCKET_H
  31 # include <sys/socket.h>
  32 #endif
  33 #ifdef HAVE_UNISTD_H
  34 # include <unistd.h>
  35 #endif
  36 #include <stdarg.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <stdio.h>
  40 #include <errno.h>
  41
  42 #include "wine/library.h"
  43 #include "windef.h"
  44 #include "winbase.h"
  45 #include "wininet.h"
  46 #include "winerror.h"
  47
  48 /* To avoid conflicts with the Unix socket headers. we only need it for
  49  * the error codes anyway. */
  50 #define USE_WS_PREFIX
  51 #include "winsock2.h"
  52
  53 #include "wine/debug.h"
  54 #include "internet.h"
  55 #include "wincrypt.h"
  56
  57 #define RESPONSE_TIMEOUT        30            /* FROM internet.c */
  58
  59
  60 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  61
  62 /* FIXME!!!!!!
  63  *    This should use winsock - To use winsock the functions will have to change a bit
  64  *        as they are designed for unix sockets.
  65  *    SSL stuff should use crypt32.dll
  66  */
  67
  68 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
  69
  70 #include <openssl/err.h>
  71
  72 #ifndef SONAME_LIBSSL
  73 #define SONAME_LIBSSL "libssl.so"
  74 #endif
  75 #ifndef SONAME_LIBCRYPTO
  76 #define SONAME_LIBCRYPTO "libcrypto.so"
  77 #endif
  78
  79 static void *OpenSSL_ssl_handle;
  80 static void *OpenSSL_crypto_handle;
  81
  82 static SSL_METHOD *meth;
  83 static SSL_CTX *ctx;
  84
  85 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  86
  87 /* OpenSSL functions that we use */
  88 MAKE_FUNCPTR(SSL_library_init);
  89 MAKE_FUNCPTR(SSL_load_error_strings);
  90 MAKE_FUNCPTR(SSLv23_method);
  91 MAKE_FUNCPTR(SSL_CTX_new);
  92 MAKE_FUNCPTR(SSL_new);
  93 MAKE_FUNCPTR(SSL_free);
  94 MAKE_FUNCPTR(SSL_set_fd);
  95 MAKE_FUNCPTR(SSL_connect);
  96 MAKE_FUNCPTR(SSL_shutdown);
  97 MAKE_FUNCPTR(SSL_write);
  98 MAKE_FUNCPTR(SSL_read);
  99 MAKE_FUNCPTR(SSL_get_verify_result);
 100 MAKE_FUNCPTR(SSL_get_peer_certificate);
 101 MAKE_FUNCPTR(SSL_CTX_get_timeout);
 102 MAKE_FUNCPTR(SSL_CTX_set_timeout);
 103 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
 104 MAKE_FUNCPTR(i2d_X509);
 105
 106 /* OpenSSL's libcrypto functions that we use */
 107 MAKE_FUNCPTR(BIO_new_fp);
 108 MAKE_FUNCPTR(ERR_get_error);
 109 MAKE_FUNCPTR(ERR_error_string);
 110 #undef MAKE_FUNCPTR
 111
 112 #endif
 113
 114 BOOL NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
 115 {
 116     connection->useSSL = FALSE;
 117     connection->socketFD = -1;
 118     if (useSSL)
 119     {
 120 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 121         TRACE("using SSL connection\n");
 122         if (OpenSSL_ssl_handle) /* already initialized everything */
 123             return TRUE;
 124         OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
 125         if (!OpenSSL_ssl_handle)
 126         {
 127             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 128                 SONAME_LIBSSL);
 129             INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 130             return FALSE;
 131         }
 132         OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
 133         if (!OpenSSL_crypto_handle)
 134         {
 135             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 136                 SONAME_LIBCRYPTO);
 137             INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 138             return FALSE;
 139         }
 140
 141         /* mmm nice ugly macroness */
 142 #define DYNSSL(x) \
 143     p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
 144     if (!p##x) \
 145     { \
 146         ERR("failed to load symbol %s\n", #x); \
 147         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
 148         return FALSE; \
 149     }
 150
 151         DYNSSL(SSL_library_init);
 152         DYNSSL(SSL_load_error_strings);
 153         DYNSSL(SSLv23_method);
 154         DYNSSL(SSL_CTX_new);
 155         DYNSSL(SSL_new);
 156         DYNSSL(SSL_free);
 157         DYNSSL(SSL_set_fd);
 158         DYNSSL(SSL_connect);
 159         DYNSSL(SSL_shutdown);
 160         DYNSSL(SSL_write);
 161         DYNSSL(SSL_read);
 162         DYNSSL(SSL_get_verify_result);
 163         DYNSSL(SSL_get_peer_certificate);
 164         DYNSSL(SSL_CTX_get_timeout);
 165         DYNSSL(SSL_CTX_set_timeout);
 166         DYNSSL(SSL_CTX_set_default_verify_paths);
 167         DYNSSL(i2d_X509);
 168 #undef DYNSSL
 169
 170 #define DYNCRYPTO(x) \
 171     p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
 172     if (!p##x) \
 173     { \
 174         ERR("failed to load symbol %s\n", #x); \
 175         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
 176         return FALSE; \
 177     }
 178         DYNCRYPTO(BIO_new_fp);
 179         DYNCRYPTO(ERR_get_error);
 180         DYNCRYPTO(ERR_error_string);
 181 #undef DYNCRYPTO
 182
 183         pSSL_library_init();
 184         pSSL_load_error_strings();
 185         pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
 186
 187         meth = pSSLv23_method();
 188         connection->peek_msg = NULL;
 189         connection->peek_msg_mem = NULL;
 190 #else
 191         FIXME("can't use SSL, not compiled in.\n");
 192         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 193         return FALSE;
 194 #endif
 195     }
 196     return TRUE;
 197 }
 198
 199 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
 200 {
 201     if (connection->socketFD == -1)
 202         return FALSE;
 203     else
 204         return TRUE;
 205 }
 206
 207 /* translate a unix error code into a winsock one */
 208 static int sock_get_error( int err )
 209 {
 210     switch (err)
 211     {
 212         case EINTR:             return WSAEINTR;
 213         case EBADF:             return WSAEBADF;
 214         case EPERM:
 215         case EACCES:            return WSAEACCES;
 216         case EFAULT:            return WSAEFAULT;
 217         case EINVAL:            return WSAEINVAL;
 218         case EMFILE:            return WSAEMFILE;
 219         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
 220         case EINPROGRESS:       return WSAEINPROGRESS;
 221         case EALREADY:          return WSAEALREADY;
 222         case ENOTSOCK:          return WSAENOTSOCK;
 223         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
 224         case EMSGSIZE:          return WSAEMSGSIZE;
 225         case EPROTOTYPE:        return WSAEPROTOTYPE;
 226         case ENOPROTOOPT:       return WSAENOPROTOOPT;
 227         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
 228         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
 229         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
 230         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
 231         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
 232         case EADDRINUSE:        return WSAEADDRINUSE;
 233         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
 234         case ENETDOWN:          return WSAENETDOWN;
 235         case ENETUNREACH:       return WSAENETUNREACH;
 236         case ENETRESET:         return WSAENETRESET;
 237         case ECONNABORTED:      return WSAECONNABORTED;
 238         case EPIPE:
 239         case ECONNRESET:        return WSAECONNRESET;
 240         case ENOBUFS:           return WSAENOBUFS;
 241         case EISCONN:           return WSAEISCONN;
 242         case ENOTCONN:          return WSAENOTCONN;
 243         case ESHUTDOWN:         return WSAESHUTDOWN;
 244         case ETOOMANYREFS:      return WSAETOOMANYREFS;
 245         case ETIMEDOUT:         return WSAETIMEDOUT;
 246         case ECONNREFUSED:      return WSAECONNREFUSED;
 247         case ELOOP:             return WSAELOOP;
 248         case ENAMETOOLONG:      return WSAENAMETOOLONG;
 249         case EHOSTDOWN:         return WSAEHOSTDOWN;
 250         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
 251         case ENOTEMPTY:         return WSAENOTEMPTY;
 252 #ifdef EPROCLIM
 253         case EPROCLIM:          return WSAEPROCLIM;
 254 #endif
 255 #ifdef EUSERS
 256         case EUSERS:            return WSAEUSERS;
 257 #endif
 258 #ifdef EDQUOT
 259         case EDQUOT:            return WSAEDQUOT;
 260 #endif
 261 #ifdef ESTALE
 262         case ESTALE:            return WSAESTALE;
 263 #endif
 264 #ifdef EREMOTE
 265         case EREMOTE:           return WSAEREMOTE;
 266 #endif
 267     default: errno=err; perror("sock_set_error"); return WSAEFAULT;
 268     }
 269 }
 270
 271 /******************************************************************************
 272  * NETCON_create
 273  * Basically calls 'socket()'
 274  */
 275 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
 276               int type, int protocol)
 277 {
 278 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 279     if (connection->useSSL)
 280         return FALSE;
 281 #endif
 282
 283     connection->socketFD = socket(domain, type, protocol);
 284     if (connection->socketFD == -1)
 285     {
 286         INTERNET_SetLastError(sock_get_error(errno));
 287         return FALSE;
 288     }
 289     return TRUE;
 290 }
 291
 292 /******************************************************************************
 293  * NETCON_close
 294  * Basically calls 'close()' unless we should use SSL
 295  */
 296 BOOL NETCON_close(WININET_NETCONNECTION *connection)
 297 {
 298     int result;
 299
 300     if (!NETCON_connected(connection)) return FALSE;
 301
 302 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 303     if (connection->useSSL)
 304     {
 305         HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
 306         connection->peek_msg = NULL;
 307         connection->peek_msg_mem = NULL;
 308         connection->peek_len = 0;
 309
 310         pSSL_shutdown(connection->ssl_s);
 311         pSSL_free(connection->ssl_s);
 312         connection->ssl_s = NULL;
 313
 314         connection->useSSL = FALSE;
 315     }
 316 #endif
 317
 318     result = closesocket(connection->socketFD);
 319     connection->socketFD = -1;
 320
 321     if (result == -1)
 322     {
 323         INTERNET_SetLastError(sock_get_error(errno));
 324         return FALSE;
 325     }
 326     return TRUE;
 327 }
 328 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 329 static BOOL check_hostname(X509 *cert, char *hostname)
 330 {
 331     /* FIXME: implement */
 332     return TRUE;
 333 }
 334 #endif
 335 /******************************************************************************
 336  * NETCON_secure_connect
 337  * Initiates a secure connection over an existing plaintext connection.
 338  */
 339 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
 340 {
 341 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 342     long verify_res;
 343     X509 *cert;
 344     int len;
 345     char *hostname_unix;
 346
 347     /* can't connect if we are already connected */
 348     if (connection->useSSL)
 349     {
 350         ERR("already connected\n");
 351         return FALSE;
 352     }
 353
 354     ctx = pSSL_CTX_new(meth);
 355     if (!pSSL_CTX_set_default_verify_paths(ctx))
 356     {
 357         ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
 358             pERR_error_string(pERR_get_error(), 0));
 359         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 360         return FALSE;
 361     }
 362     connection->ssl_s = pSSL_new(ctx);
 363     if (!connection->ssl_s)
 364     {
 365         ERR("SSL_new failed: %s\n",
 366             pERR_error_string(pERR_get_error(), 0));
 367         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 368         goto fail;
 369     }
 370
 371     if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
 372     {
 373         ERR("SSL_set_fd failed: %s\n",
 374             pERR_error_string(pERR_get_error(), 0));
 375         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 376         goto fail;
 377     }
 378
 379     if (pSSL_connect(connection->ssl_s) <= 0)
 380     {
 381         ERR("SSL_connect failed: %s\n",
 382             pERR_error_string(pERR_get_error(), 0));
 383         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 384         goto fail;
 385     }
 386     cert = pSSL_get_peer_certificate(connection->ssl_s);
 387     if (!cert)
 388     {
 389         ERR("no certificate for server %s\n", debugstr_w(hostname));
 390         /* FIXME: is this the best error? */
 391         INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
 392         goto fail;
 393     }
 394     verify_res = pSSL_get_verify_result(connection->ssl_s);
 395     if (verify_res != X509_V_OK)
 396     {
 397         ERR("couldn't verify the security of the connection, %ld\n", verify_res);
 398         /* FIXME: we should set an error and return, but we only warn at
 399          * the moment */
 400     }
 401
 402     len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
 403     hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
 404     if (!hostname_unix)
 405     {
 406         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 407         goto fail;
 408     }
 409     WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
 410
 411     if (!check_hostname(cert, hostname_unix))
 412     {
 413         HeapFree(GetProcessHeap(), 0, hostname_unix);
 414         INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
 415         goto fail;
 416     }
 417
 418     HeapFree(GetProcessHeap(), 0, hostname_unix);
 419     connection->useSSL = TRUE;
 420     return TRUE;
 421
 422 fail:
 423     if (connection->ssl_s)
 424     {
 425         pSSL_shutdown(connection->ssl_s);
 426         pSSL_free(connection->ssl_s);
 427         connection->ssl_s = NULL;
 428     }
 429 #endif
 430     return FALSE;
 431 }
 432
 433 /******************************************************************************
 434  * NETCON_connect
 435  * Connects to the specified address.
 436  */
 437 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
 438                     unsigned int addrlen)
 439 {
 440     int result;
 441
 442     if (!NETCON_connected(connection)) return FALSE;
 443
 444     result = connect(connection->socketFD, serv_addr, addrlen);
 445     if (result == -1)
 446     {
 447         WARN("Unable to connect to host (%s)\n", strerror(errno));
 448         INTERNET_SetLastError(sock_get_error(errno));
 449
 450         closesocket(connection->socketFD);
 451         connection->socketFD = -1;
 452         return FALSE;
 453     }
 454
 455     return TRUE;
 456 }
 457
 458 /******************************************************************************
 459  * NETCON_send
 460  * Basically calls 'send()' unless we should use SSL
 461  * number of chars send is put in *sent
 462  */
 463 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
 464                 int *sent /* out */)
 465 {
 466     if (!NETCON_connected(connection)) return FALSE;
 467     if (!connection->useSSL)
 468     {
 469         *sent = send(connection->socketFD, msg, len, flags);
 470         if (*sent == -1)
 471         {
 472             INTERNET_SetLastError(sock_get_error(errno));
 473             return FALSE;
 474         }
 475         return TRUE;
 476     }
 477     else
 478     {
 479 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 480         if (flags)
 481             FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
 482         *sent = pSSL_write(connection->ssl_s, msg, len);
 483         if (*sent < 1 && len)
 484             return FALSE;
 485         return TRUE;
 486 #else
 487         return FALSE;
 488 #endif
 489     }
 490 }
 491
 492 /******************************************************************************
 493  * NETCON_recv
 494  * Basically calls 'recv()' unless we should use SSL
 495  * number of chars received is put in *recvd
 496  */
 497 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
 498                 int *recvd /* out */)
 499 {
 500     if (!NETCON_connected(connection)) return FALSE;
 501     if (!connection->useSSL)
 502     {
 503         *recvd = recv(connection->socketFD, buf, len, flags);
 504         if (*recvd == -1)
 505         {
 506             INTERNET_SetLastError(sock_get_error(errno));
 507             return FALSE;
 508         }
 509         return TRUE;
 510     }
 511     else
 512     {
 513 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 514         if (flags & ~(MSG_PEEK|MSG_WAITALL))
 515             FIXME("SSL_read does not support the following flag: %08x\n", flags);
 516
 517         /* this ugly hack is all for MSG_PEEK. eww gross */
 518         if (flags & MSG_PEEK && !connection->peek_msg)
 519         {
 520             connection->peek_msg = connection->peek_msg_mem = HeapAlloc(GetProcessHeap(), 0, (sizeof(char) * len) + 1);
 521         }
 522         else if (flags & MSG_PEEK && connection->peek_msg)
 523         {
 524             if (len < connection->peek_len)
 525                 FIXME("buffer isn't big enough. Do the expect us to wrap?\n");
 526             *recvd = min(len, connection->peek_len);
 527             memcpy(buf, connection->peek_msg, *recvd);
 528             return TRUE;
 529         }
 530         else if (connection->peek_msg)
 531         {
 532             *recvd = min(len, connection->peek_len);
 533             memcpy(buf, connection->peek_msg, *recvd);
 534             connection->peek_len -= *recvd;
 535             connection->peek_msg += *recvd;
 536             if (connection->peek_len == 0)
 537             {
 538                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 539                 connection->peek_msg_mem = NULL;
 540                 connection->peek_msg = NULL;
 541                 /* check if the peek buffer held too few data */
 542                 if ((flags & MSG_WAITALL) && (*recvd < len))
 543                 {
 544                     int recv2 = 0;
 545                     /* recursive call - but now the peek buffer is empty */
 546                     if (!NETCON_recv(connection, (char*)buf + *recvd, len - *recvd, flags, &recv2))
 547                         return FALSE;
 548                     *recvd += recv2;
 549                 }
 550             }
 551             return TRUE;
 552         }
 553         *recvd = pSSL_read(connection->ssl_s, buf, len);
 554         if (flags & MSG_PEEK) /* must copy stuff into buffer */
 555         {
 556             connection->peek_len = *recvd;
 557             if (!*recvd)
 558             {
 559                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 560                 connection->peek_msg_mem = NULL;
 561                 connection->peek_msg = NULL;
 562             }
 563             else
 564                 memcpy(connection->peek_msg, buf, *recvd);
 565         }
 566         if (*recvd < 1 && len)
 567             return FALSE;
 568         return TRUE;
 569 #else
 570         return FALSE;
 571 #endif
 572     }
 573 }
 574
 575 /******************************************************************************
 576  * NETCON_getNextLine
 577  */
 578 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
 579 {
 580
 581     TRACE("\n");
 582
 583     if (!NETCON_connected(connection)) return FALSE;
 584
 585     if (!connection->useSSL)
 586     {
 587         struct timeval tv;
 588         fd_set infd;
 589         BOOL bSuccess = FALSE;
 590         DWORD nRecv = 0;
 591
 592         FD_ZERO(&infd);
 593         FD_SET(connection->socketFD, &infd);
 594         tv.tv_sec=RESPONSE_TIMEOUT;
 595         tv.tv_usec=0;
 596
 597         while (nRecv < *dwBuffer)
 598         {
 599             if (select(connection->socketFD+1,&infd,NULL,NULL,&tv) > 0)
 600             {
 601                 if (recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0) <= 0)
 602                 {
 603                     INTERNET_SetLastError(sock_get_error(errno));
 604                     goto lend;
 605                 }
 606
 607                 if (lpszBuffer[nRecv] == '\n')
 608                 {
 609                     bSuccess = TRUE;
 610                     break;
 611                 }
 612                 if (lpszBuffer[nRecv] != '\r')
 613                     nRecv++;
 614             }
 615             else
 616             {
 617                 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
 618                 goto lend;
 619             }
 620         }
 621
 622     lend:             /* FIXME: don't use labels */
 623         if (bSuccess)
 624         {
 625             lpszBuffer[nRecv++] = '\0';
 626             *dwBuffer = nRecv;
 627             TRACE(":%u %s\n", nRecv, lpszBuffer);
 628             return TRUE;
 629         }
 630         else
 631         {
 632             return FALSE;
 633         }
 634     }
 635     else
 636     {
 637 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 638         long prev_timeout;
 639         DWORD nRecv = 0;
 640         BOOL success = TRUE;
 641
 642         prev_timeout = pSSL_CTX_get_timeout(ctx);
 643         pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
 644
 645         while (nRecv < *dwBuffer)
 646         {
 647             int recv = 1;
 648             if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
 649             {
 650                 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
 651                 success = FALSE;
 652             }
 653
 654             if (lpszBuffer[nRecv] == '\n')
 655             {
 656                 success = TRUE;
 657                 break;
 658             }
 659             if (lpszBuffer[nRecv] != '\r')
 660                 nRecv++;
 661         }
 662
 663         pSSL_CTX_set_timeout(ctx, prev_timeout);
 664         if (success)
 665         {
 666             lpszBuffer[nRecv++] = '\0';
 667             *dwBuffer = nRecv;
 668             TRACE("_SSL:%u %s\n", nRecv, lpszBuffer);
 669             return TRUE;
 670         }
 671         return FALSE;
 672 #else
 673         return FALSE;
 674 #endif
 675     }
 676 }
 677
 678
 679 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
 680 {
 681
 682 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 683     X509* cert;
 684     unsigned char* buffer,*p;
 685     INT len;
 686     BOOL malloced = FALSE;
 687     LPCVOID r = NULL;
 688
 689     if (!connection->useSSL)
 690         return NULL;
 691
 692     cert = pSSL_get_peer_certificate(connection->ssl_s);
 693     p = NULL;
 694     len = pi2d_X509(cert,&p);
 695     /*
 696      * SSL 0.9.7 and above malloc the buffer if it is null.
 697      * however earlier version do not and so we would need to alloc the buffer.
 698      *
 699      * see the i2d_X509 man page for more details.
 700      */
 701     if (!p)
 702     {
 703         buffer = HeapAlloc(GetProcessHeap(),0,len);
 704         p = buffer;
 705         len = pi2d_X509(cert,&p);
 706     }
 707     else
 708     {
 709         buffer = p;
 710         malloced = TRUE;
 711     }
 712
 713     r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
 714
 715     if (malloced)
 716         free(buffer);
 717     else
 718         HeapFree(GetProcessHeap(),0,buffer);
 719
 720     return r;
 721 #else
 722     return NULL;
 723 #endif
 724 }
 725
 726 BOOL NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
 727 {
 728     int result;
 729     struct timeval tv;
 730
 731     /* FIXME: we should probably store the timeout in the connection to set
 732      * when we do connect */
 733     if (!NETCON_connected(connection))
 734         return TRUE;
 735
 736     /* value is in milliseconds, convert to struct timeval */
 737     tv.tv_sec = value / 1000;
 738     tv.tv_usec = (value % 1000) * 1000;
 739
 740     result = setsockopt(connection->socketFD, SOL_SOCKET,
 741                         send ? SO_SNDTIMEO : SO_RCVTIMEO, &tv,
 742                         sizeof(tv));
 743
 744     if (result == -1)
 745     {
 746         WARN("setsockopt failed (%s)\n", strerror(errno));
 747         INTERNET_SetLastError(sock_get_error(errno));
 748         return FALSE;
 749     }
 750
 751     return TRUE;
 752 }