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 #ifdef HAVE_SYS_IOCTL_H
  37 # include <sys/ioctl.h>
  38 #endif
  39 #include <stdarg.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <stdio.h>
  43 #include <errno.h>
  44
  45 #include "wine/library.h"
  46 #include "windef.h"
  47 #include "winbase.h"
  48 #include "wininet.h"
  49 #include "winerror.h"
  50 #include "wincrypt.h"
  51
  52 #include "wine/debug.h"
  53 #include "internet.h"
  54
  55 /* To avoid conflicts with the Unix socket headers. we only need it for
  56  * the error codes anyway. */
  57 #define USE_WS_PREFIX
  58 #include "winsock2.h"
  59
  60 #define RESPONSE_TIMEOUT        30            /* FROM internet.c */
  61
  62
  63 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  64
  65 /* FIXME!!!!!!
  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
  69  */
  70
  71 #ifdef SONAME_LIBSSL
  72
  73 #include <openssl/err.h>
  74
  75 static void *OpenSSL_ssl_handle;
  76 static void *OpenSSL_crypto_handle;
  77
  78 static SSL_METHOD *meth;
  79 static SSL_CTX *ctx;
  80
  81 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  82
  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);
 101
 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);
 106 #undef MAKE_FUNCPTR
 107
 108 #endif
 109
 110 BOOL NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
 111 {
 112     connection->useSSL = FALSE;
 113     connection->socketFD = -1;
 114     if (useSSL)
 115     {
 116 #ifdef SONAME_LIBSSL
 117         TRACE("using SSL connection\n");
 118         if (OpenSSL_ssl_handle) /* already initialized everything */
 119             return TRUE;
 120         OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
 121         if (!OpenSSL_ssl_handle)
 122         {
 123             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 124                 SONAME_LIBSSL);
 125             INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 126             return FALSE;
 127         }
 128         OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
 129         if (!OpenSSL_crypto_handle)
 130         {
 131             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 132                 SONAME_LIBCRYPTO);
 133             INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 134             return FALSE;
 135         }
 136
 137         /* mmm nice ugly macroness */
 138 #define DYNSSL(x) \
 139     p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
 140     if (!p##x) \
 141     { \
 142         ERR("failed to load symbol %s\n", #x); \
 143         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
 144         return FALSE; \
 145     }
 146
 147         DYNSSL(SSL_library_init);
 148         DYNSSL(SSL_load_error_strings);
 149         DYNSSL(SSLv23_method);
 150         DYNSSL(SSL_CTX_new);
 151         DYNSSL(SSL_new);
 152         DYNSSL(SSL_free);
 153         DYNSSL(SSL_set_fd);
 154         DYNSSL(SSL_connect);
 155         DYNSSL(SSL_shutdown);
 156         DYNSSL(SSL_write);
 157         DYNSSL(SSL_read);
 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);
 163         DYNSSL(i2d_X509);
 164 #undef DYNSSL
 165
 166 #define DYNCRYPTO(x) \
 167     p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
 168     if (!p##x) \
 169     { \
 170         ERR("failed to load symbol %s\n", #x); \
 171         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR); \
 172         return FALSE; \
 173     }
 174         DYNCRYPTO(BIO_new_fp);
 175         DYNCRYPTO(ERR_get_error);
 176         DYNCRYPTO(ERR_error_string);
 177 #undef DYNCRYPTO
 178
 179         pSSL_library_init();
 180         pSSL_load_error_strings();
 181         pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
 182
 183         meth = pSSLv23_method();
 184         connection->peek_msg = NULL;
 185         connection->peek_msg_mem = NULL;
 186 #else
 187         FIXME("can't use SSL, not compiled in.\n");
 188         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 189         return FALSE;
 190 #endif
 191     }
 192     return TRUE;
 193 }
 194
 195 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
 196 {
 197     if (connection->socketFD == -1)
 198         return FALSE;
 199     else
 200         return TRUE;
 201 }
 202
 203 /* translate a unix error code into a winsock one */
 204 static int sock_get_error( int err )
 205 {
 206 #if !defined(__MINGW32__) && !defined (_MSC_VER)
 207     switch (err)
 208     {
 209         case EINTR:             return WSAEINTR;
 210         case EBADF:             return WSAEBADF;
 211         case EPERM:
 212         case EACCES:            return WSAEACCES;
 213         case EFAULT:            return WSAEFAULT;
 214         case EINVAL:            return WSAEINVAL;
 215         case EMFILE:            return WSAEMFILE;
 216         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
 217         case EINPROGRESS:       return WSAEINPROGRESS;
 218         case EALREADY:          return WSAEALREADY;
 219         case ENOTSOCK:          return WSAENOTSOCK;
 220         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
 221         case EMSGSIZE:          return WSAEMSGSIZE;
 222         case EPROTOTYPE:        return WSAEPROTOTYPE;
 223         case ENOPROTOOPT:       return WSAENOPROTOOPT;
 224         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
 225         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
 226         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
 227         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
 228         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
 229         case EADDRINUSE:        return WSAEADDRINUSE;
 230         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
 231         case ENETDOWN:          return WSAENETDOWN;
 232         case ENETUNREACH:       return WSAENETUNREACH;
 233         case ENETRESET:         return WSAENETRESET;
 234         case ECONNABORTED:      return WSAECONNABORTED;
 235         case EPIPE:
 236         case ECONNRESET:        return WSAECONNRESET;
 237         case ENOBUFS:           return WSAENOBUFS;
 238         case EISCONN:           return WSAEISCONN;
 239         case ENOTCONN:          return WSAENOTCONN;
 240         case ESHUTDOWN:         return WSAESHUTDOWN;
 241         case ETOOMANYREFS:      return WSAETOOMANYREFS;
 242         case ETIMEDOUT:         return WSAETIMEDOUT;
 243         case ECONNREFUSED:      return WSAECONNREFUSED;
 244         case ELOOP:             return WSAELOOP;
 245         case ENAMETOOLONG:      return WSAENAMETOOLONG;
 246         case EHOSTDOWN:         return WSAEHOSTDOWN;
 247         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
 248         case ENOTEMPTY:         return WSAENOTEMPTY;
 249 #ifdef EPROCLIM
 250         case EPROCLIM:          return WSAEPROCLIM;
 251 #endif
 252 #ifdef EUSERS
 253         case EUSERS:            return WSAEUSERS;
 254 #endif
 255 #ifdef EDQUOT
 256         case EDQUOT:            return WSAEDQUOT;
 257 #endif
 258 #ifdef ESTALE
 259         case ESTALE:            return WSAESTALE;
 260 #endif
 261 #ifdef EREMOTE
 262         case EREMOTE:           return WSAEREMOTE;
 263 #endif
 264     default: errno=err; perror("sock_set_error"); return WSAEFAULT;
 265     }
 266 #endif
 267     return err;
 268 }
 269
 270 /******************************************************************************
 271  * NETCON_create
 272  * Basically calls 'socket()'
 273  */
 274 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
 275               int type, int protocol)
 276 {
 277 #ifdef SONAME_LIBSSL
 278     if (connection->useSSL)
 279         return FALSE;
 280 #endif
 281
 282     connection->socketFD = socket(domain, type, protocol);
 283     if (connection->socketFD == -1)
 284     {
 285         INTERNET_SetLastError(sock_get_error(errno));
 286         return FALSE;
 287     }
 288     return TRUE;
 289 }
 290
 291 /******************************************************************************
 292  * NETCON_close
 293  * Basically calls 'close()' unless we should use SSL
 294  */
 295 BOOL NETCON_close(WININET_NETCONNECTION *connection)
 296 {
 297     int result;
 298
 299     if (!NETCON_connected(connection)) return FALSE;
 300
 301 #ifdef SONAME_LIBSSL
 302     if (connection->useSSL)
 303     {
 304         HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
 305         connection->peek_msg = NULL;
 306         connection->peek_msg_mem = NULL;
 307         connection->peek_len = 0;
 308
 309         pSSL_shutdown(connection->ssl_s);
 310         pSSL_free(connection->ssl_s);
 311         connection->ssl_s = NULL;
 312
 313         connection->useSSL = FALSE;
 314     }
 315 #endif
 316
 317     result = closesocket(connection->socketFD);
 318     connection->socketFD = -1;
 319
 320     if (result == -1)
 321     {
 322         INTERNET_SetLastError(sock_get_error(errno));
 323         return FALSE;
 324     }
 325     return TRUE;
 326 }
 327 #ifdef SONAME_LIBSSL
 328 static BOOL check_hostname(X509 *cert, char *hostname)
 329 {
 330     /* FIXME: implement */
 331     return TRUE;
 332 }
 333 #endif
 334 /******************************************************************************
 335  * NETCON_secure_connect
 336  * Initiates a secure connection over an existing plaintext connection.
 337  */
 338 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
 339 {
 340 #ifdef SONAME_LIBSSL
 341     long verify_res;
 342     X509 *cert;
 343     int len;
 344     char *hostname_unix;
 345
 346     /* can't connect if we are already connected */
 347     if (connection->useSSL)
 348     {
 349         ERR("already connected\n");
 350         return FALSE;
 351     }
 352
 353     ctx = pSSL_CTX_new(meth);
 354     if (!pSSL_CTX_set_default_verify_paths(ctx))
 355     {
 356         ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
 357             pERR_error_string(pERR_get_error(), 0));
 358         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 359         return FALSE;
 360     }
 361     connection->ssl_s = pSSL_new(ctx);
 362     if (!connection->ssl_s)
 363     {
 364         ERR("SSL_new failed: %s\n",
 365             pERR_error_string(pERR_get_error(), 0));
 366         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 367         goto fail;
 368     }
 369
 370     if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
 371     {
 372         ERR("SSL_set_fd failed: %s\n",
 373             pERR_error_string(pERR_get_error(), 0));
 374         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 375         goto fail;
 376     }
 377
 378     if (pSSL_connect(connection->ssl_s) <= 0)
 379     {
 380         ERR("SSL_connect failed: %s\n",
 381             pERR_error_string(pERR_get_error(), 0));
 382         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 383         goto fail;
 384     }
 385     cert = pSSL_get_peer_certificate(connection->ssl_s);
 386     if (!cert)
 387     {
 388         ERR("no certificate for server %s\n", debugstr_w(hostname));
 389         /* FIXME: is this the best error? */
 390         INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
 391         goto fail;
 392     }
 393     verify_res = pSSL_get_verify_result(connection->ssl_s);
 394     if (verify_res != X509_V_OK)
 395     {
 396         ERR("couldn't verify the security of the connection, %ld\n", verify_res);
 397         /* FIXME: we should set an error and return, but we only warn at
 398          * the moment */
 399     }
 400
 401     len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
 402     hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
 403     if (!hostname_unix)
 404     {
 405         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 406         goto fail;
 407     }
 408     WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
 409
 410     if (!check_hostname(cert, hostname_unix))
 411     {
 412         HeapFree(GetProcessHeap(), 0, hostname_unix);
 413         INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
 414         goto fail;
 415     }
 416
 417     HeapFree(GetProcessHeap(), 0, hostname_unix);
 418     connection->useSSL = TRUE;
 419     return TRUE;
 420
 421 fail:
 422     if (connection->ssl_s)
 423     {
 424         pSSL_shutdown(connection->ssl_s);
 425         pSSL_free(connection->ssl_s);
 426         connection->ssl_s = NULL;
 427     }
 428 #endif
 429     return FALSE;
 430 }
 431
 432 /******************************************************************************
 433  * NETCON_connect
 434  * Connects to the specified address.
 435  */
 436 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
 437                     unsigned int addrlen)
 438 {
 439     int result;
 440
 441     if (!NETCON_connected(connection)) return FALSE;
 442
 443     result = connect(connection->socketFD, serv_addr, addrlen);
 444     if (result == -1)
 445     {
 446         WARN("Unable to connect to host (%s)\n", strerror(errno));
 447         INTERNET_SetLastError(sock_get_error(errno));
 448
 449         closesocket(connection->socketFD);
 450         connection->socketFD = -1;
 451         return FALSE;
 452     }
 453
 454     return TRUE;
 455 }
 456
 457 /******************************************************************************
 458  * NETCON_send
 459  * Basically calls 'send()' unless we should use SSL
 460  * number of chars send is put in *sent
 461  */
 462 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
 463                 int *sent /* out */)
 464 {
 465     if (!NETCON_connected(connection)) return FALSE;
 466     if (!connection->useSSL)
 467     {
 468         *sent = send(connection->socketFD, msg, len, flags);
 469         if (*sent == -1)
 470         {
 471             INTERNET_SetLastError(sock_get_error(errno));
 472             return FALSE;
 473         }
 474         return TRUE;
 475     }
 476     else
 477     {
 478 #ifdef SONAME_LIBSSL
 479         if (flags)
 480             FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
 481         *sent = pSSL_write(connection->ssl_s, msg, len);
 482         if (*sent < 1 && len)
 483             return FALSE;
 484         return TRUE;
 485 #else
 486         return FALSE;
 487 #endif
 488     }
 489 }
 490
 491 /******************************************************************************
 492  * NETCON_recv
 493  * Basically calls 'recv()' unless we should use SSL
 494  * number of chars received is put in *recvd
 495  */
 496 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
 497                 int *recvd /* out */)
 498 {
 499     *recvd = 0;
 500     if (!NETCON_connected(connection)) return FALSE;
 501     if (!len)
 502         return TRUE;
 503     if (!connection->useSSL)
 504     {
 505         *recvd = recv(connection->socketFD, buf, len, flags);
 506         if (*recvd == -1)
 507         {
 508             INTERNET_SetLastError(sock_get_error(errno));
 509             return FALSE;
 510         }
 511         return TRUE;
 512     }
 513     else
 514     {
 515 #ifdef SONAME_LIBSSL
 516         if (flags & ~(MSG_PEEK|MSG_WAITALL))
 517             FIXME("SSL_read does not support the following flag: %08x\n", flags);
 518
 519         /* this ugly hack is all for MSG_PEEK. eww gross */
 520         if (flags & MSG_PEEK && !connection->peek_msg)
 521         {
 522             connection->peek_msg = connection->peek_msg_mem = HeapAlloc(GetProcessHeap(), 0, (sizeof(char) * len) + 1);
 523         }
 524         else if (flags & MSG_PEEK && connection->peek_msg)
 525         {
 526             if (len < connection->peek_len)
 527                 FIXME("buffer isn't big enough. Do the expect us to wrap?\n");
 528             *recvd = min(len, connection->peek_len);
 529             memcpy(buf, connection->peek_msg, *recvd);
 530             return TRUE;
 531         }
 532         else if (connection->peek_msg)
 533         {
 534             *recvd = min(len, connection->peek_len);
 535             memcpy(buf, connection->peek_msg, *recvd);
 536             connection->peek_len -= *recvd;
 537             connection->peek_msg += *recvd;
 538             if (connection->peek_len == 0)
 539             {
 540                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 541                 connection->peek_msg_mem = NULL;
 542                 connection->peek_msg = NULL;
 543             }
 544             /* check if we got enough data from the peek buffer */
 545             if (!(flags & MSG_WAITALL) || (*recvd == len))
 546                 return TRUE;
 547             /* otherwise, fall through */
 548         }
 549         *recvd += pSSL_read(connection->ssl_s, (char*)buf + *recvd, len - *recvd);
 550         if (flags & MSG_PEEK) /* must copy stuff into buffer */
 551         {
 552             connection->peek_len = *recvd;
 553             if (!*recvd)
 554             {
 555                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 556                 connection->peek_msg_mem = NULL;
 557                 connection->peek_msg = NULL;
 558             }
 559             else
 560                 memcpy(connection->peek_msg, buf, *recvd);
 561         }
 562         if (*recvd < 1 && len)
 563             return FALSE;
 564         return TRUE;
 565 #else
 566         return FALSE;
 567 #endif
 568     }
 569 }
 570
 571 /******************************************************************************
 572  * NETCON_query_data_available
 573  * Returns the number of bytes of peeked data plus the number of bytes of
 574  * queued, but unread data.
 575  */
 576 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
 577 {
 578     *available = 0;
 579     if (!NETCON_connected(connection))
 580         return FALSE;
 581
 582 #ifdef SONAME_LIBSSL
 583     if (connection->peek_msg) *available = connection->peek_len;
 584 #endif
 585
 586 #ifdef FIONREAD
 587     if (!connection->useSSL)
 588     {
 589         int unread;
 590         int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread);
 591         if (!retval)
 592         {
 593             TRACE("%d bytes of queued, but unread data\n", unread);
 594             *available += unread;
 595         }
 596     }
 597 #endif
 598     return TRUE;
 599 }
 600
 601 /******************************************************************************
 602  * NETCON_getNextLine
 603  */
 604 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
 605 {
 606
 607     TRACE("\n");
 608
 609     if (!NETCON_connected(connection)) return FALSE;
 610
 611     if (!connection->useSSL)
 612     {
 613         struct timeval tv;
 614         fd_set infd;
 615         BOOL bSuccess = FALSE;
 616         DWORD nRecv = 0;
 617
 618         FD_ZERO(&infd);
 619         FD_SET(connection->socketFD, &infd);
 620         tv.tv_sec=RESPONSE_TIMEOUT;
 621         tv.tv_usec=0;
 622
 623         while (nRecv < *dwBuffer)
 624         {
 625             if (select(connection->socketFD+1,&infd,NULL,NULL,&tv) > 0)
 626             {
 627                 if (recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0) <= 0)
 628                 {
 629                     INTERNET_SetLastError(sock_get_error(errno));
 630                     goto lend;
 631                 }
 632
 633                 if (lpszBuffer[nRecv] == '\n')
 634                 {
 635                     bSuccess = TRUE;
 636                     break;
 637                 }
 638                 if (lpszBuffer[nRecv] != '\r')
 639                     nRecv++;
 640             }
 641             else
 642             {
 643                 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
 644                 goto lend;
 645             }
 646         }
 647
 648     lend:             /* FIXME: don't use labels */
 649         if (bSuccess)
 650         {
 651             lpszBuffer[nRecv++] = '\0';
 652             *dwBuffer = nRecv;
 653             TRACE(":%u %s\n", nRecv, lpszBuffer);
 654             return TRUE;
 655         }
 656         else
 657         {
 658             return FALSE;
 659         }
 660     }
 661     else
 662     {
 663 #ifdef SONAME_LIBSSL
 664         long prev_timeout;
 665         DWORD nRecv = 0;
 666         BOOL success = TRUE;
 667
 668         prev_timeout = pSSL_CTX_get_timeout(ctx);
 669         pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
 670
 671         while (nRecv < *dwBuffer)
 672         {
 673             int recv = 1;
 674             if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
 675             {
 676                 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
 677                 success = FALSE;
 678             }
 679
 680             if (lpszBuffer[nRecv] == '\n')
 681             {
 682                 success = TRUE;
 683                 break;
 684             }
 685             if (lpszBuffer[nRecv] != '\r')
 686                 nRecv++;
 687         }
 688
 689         pSSL_CTX_set_timeout(ctx, prev_timeout);
 690         if (success)
 691         {
 692             lpszBuffer[nRecv++] = '\0';
 693             *dwBuffer = nRecv;
 694             TRACE("_SSL:%u %s\n", nRecv, lpszBuffer);
 695             return TRUE;
 696         }
 697         return FALSE;
 698 #else
 699         return FALSE;
 700 #endif
 701     }
 702 }
 703
 704
 705 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
 706 {
 707 #ifdef SONAME_LIBSSL
 708     X509* cert;
 709     unsigned char* buffer,*p;
 710     INT len;
 711     BOOL malloced = FALSE;
 712     LPCVOID r = NULL;
 713
 714     if (!connection->useSSL)
 715         return NULL;
 716
 717     cert = pSSL_get_peer_certificate(connection->ssl_s);
 718     p = NULL;
 719     len = pi2d_X509(cert,&p);
 720     /*
 721      * SSL 0.9.7 and above malloc the buffer if it is null.
 722      * however earlier version do not and so we would need to alloc the buffer.
 723      *
 724      * see the i2d_X509 man page for more details.
 725      */
 726     if (!p)
 727     {
 728         buffer = HeapAlloc(GetProcessHeap(),0,len);
 729         p = buffer;
 730         len = pi2d_X509(cert,&p);
 731     }
 732     else
 733     {
 734         buffer = p;
 735         malloced = TRUE;
 736     }
 737
 738     r = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
 739
 740     if (malloced)
 741         free(buffer);
 742     else
 743         HeapFree(GetProcessHeap(),0,buffer);
 744
 745     return r;
 746 #else
 747     return NULL;
 748 #endif
 749 }
 750
 751 DWORD NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
 752 {
 753     int result;
 754     struct timeval tv;
 755
 756     /* FIXME: we should probably store the timeout in the connection to set
 757      * when we do connect */
 758     if (!NETCON_connected(connection))
 759         return ERROR_SUCCESS;
 760
 761     /* value is in milliseconds, convert to struct timeval */
 762     tv.tv_sec = value / 1000;
 763     tv.tv_usec = (value % 1000) * 1000;
 764
 765     result = setsockopt(connection->socketFD, SOL_SOCKET,
 766                         send ? SO_SNDTIMEO : SO_RCVTIMEO, &tv,
 767                         sizeof(tv));
 768
 769     if (result == -1)
 770     {
 771         WARN("setsockopt failed (%s)\n", strerror(errno));
 772         return sock_get_error(errno);
 773     }
 774
 775     return ERROR_SUCCESS;
 776 }