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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  56 #define RESPONSE_TIMEOUT        30            /* FROM internet.c */
  57
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  60
  61 /* FIXME!!!!!!
  62  *    This should use winsock - To use winsock the functions will have to change a bit
  63  *        as they are designed for unix sockets.
  64  *    SSL stuff should use crypt32.dll
  65  */
  66
  67 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
  68
  69 #include <openssl/err.h>
  70
  71 #ifndef SONAME_LIBSSL
  72 #define SONAME_LIBSSL "libssl.so"
  73 #endif
  74 #ifndef SONAME_LIBCRYPTO
  75 #define SONAME_LIBCRYPTO "libcrypto.so"
  76 #endif
  77
  78 static void *OpenSSL_ssl_handle;
  79 static void *OpenSSL_crypto_handle;
  80
  81 static SSL_METHOD *meth;
  82 static SSL_CTX *ctx;
  83
  84 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  85
  86 /* OpenSSL functions that we use */
  87 MAKE_FUNCPTR(SSL_library_init);
  88 MAKE_FUNCPTR(SSL_load_error_strings);
  89 MAKE_FUNCPTR(SSLv23_method);
  90 MAKE_FUNCPTR(SSL_CTX_new);
  91 MAKE_FUNCPTR(SSL_new);
  92 MAKE_FUNCPTR(SSL_free);
  93 MAKE_FUNCPTR(SSL_set_fd);
  94 MAKE_FUNCPTR(SSL_connect);
  95 MAKE_FUNCPTR(SSL_shutdown);
  96 MAKE_FUNCPTR(SSL_write);
  97 MAKE_FUNCPTR(SSL_read);
  98 MAKE_FUNCPTR(SSL_get_verify_result);
  99 MAKE_FUNCPTR(SSL_get_peer_certificate);
 100 MAKE_FUNCPTR(SSL_CTX_get_timeout);
 101 MAKE_FUNCPTR(SSL_CTX_set_timeout);
 102 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
 103
 104 /* OpenSSL's libcrypto functions that we use */
 105 MAKE_FUNCPTR(BIO_new_fp);
 106 MAKE_FUNCPTR(ERR_get_error);
 107 MAKE_FUNCPTR(ERR_error_string);
 108 #undef MAKE_FUNCPTR
 109
 110 #endif
 111
 112 void NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
 113 {
 114     connection->useSSL = FALSE;
 115     connection->socketFD = -1;
 116     if (useSSL)
 117     {
 118 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 119         TRACE("using SSL connection\n");
 120         if (OpenSSL_ssl_handle) /* already initilzed everything */
 121             return;
 122         OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
 123         if (!OpenSSL_ssl_handle)
 124         {
 125             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 126                 SONAME_LIBSSL);
 127             connection->useSSL = FALSE;
 128             return;
 129         }
 130         OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
 131         if (!OpenSSL_crypto_handle)
 132         {
 133             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 134                 SONAME_LIBCRYPTO);
 135             connection->useSSL = FALSE;
 136             return;
 137         }
 138
 139         /* mmm nice ugly macroness */
 140 #define DYNSSL(x) \
 141     p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
 142     if (!p##x) \
 143     { \
 144         ERR("failed to load symbol %s\n", #x); \
 145         connection->useSSL = FALSE; \
 146         return; \
 147     }
 148
 149         DYNSSL(SSL_library_init);
 150         DYNSSL(SSL_load_error_strings);
 151         DYNSSL(SSLv23_method);
 152         DYNSSL(SSL_CTX_new);
 153         DYNSSL(SSL_new);
 154         DYNSSL(SSL_free);
 155         DYNSSL(SSL_set_fd);
 156         DYNSSL(SSL_connect);
 157         DYNSSL(SSL_shutdown);
 158         DYNSSL(SSL_write);
 159         DYNSSL(SSL_read);
 160         DYNSSL(SSL_get_verify_result);
 161         DYNSSL(SSL_get_peer_certificate);
 162         DYNSSL(SSL_CTX_get_timeout);
 163         DYNSSL(SSL_CTX_set_timeout);
 164         DYNSSL(SSL_CTX_set_default_verify_paths);
 165 #undef DYNSSL
 166
 167 #define DYNCRYPTO(x) \
 168     p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
 169     if (!p##x) \
 170     { \
 171         ERR("failed to load symbol %s\n", #x); \
 172         connection->useSSL = FALSE; \
 173         return; \
 174     }
 175         DYNCRYPTO(BIO_new_fp);
 176         DYNCRYPTO(ERR_get_error);
 177         DYNCRYPTO(ERR_error_string);
 178 #undef DYNCRYPTO
 179
 180         pSSL_library_init();
 181         pSSL_load_error_strings();
 182         pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
 183
 184         meth = pSSLv23_method();
 185         connection->peek_msg = NULL;
 186         connection->peek_msg_mem = NULL;
 187 #else
 188         FIXME("can't use SSL, not compiled in.\n");
 189         connection->useSSL = FALSE;
 190 #endif
 191     }
 192 }
 193
 194 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
 195 {
 196     if (connection->socketFD == -1)
 197         return FALSE;
 198     else
 199         return TRUE;
 200 }
 201
 202 /* translate a unix error code into a winsock one */
 203 static int sock_get_error( int err )
 204 {
 205     switch (err)
 206     {
 207         case EINTR:             return WSAEINTR;
 208         case EBADF:             return WSAEBADF;
 209         case EPERM:
 210         case EACCES:            return WSAEACCES;
 211         case EFAULT:            return WSAEFAULT;
 212         case EINVAL:            return WSAEINVAL;
 213         case EMFILE:            return WSAEMFILE;
 214         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
 215         case EINPROGRESS:       return WSAEINPROGRESS;
 216         case EALREADY:          return WSAEALREADY;
 217         case ENOTSOCK:          return WSAENOTSOCK;
 218         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
 219         case EMSGSIZE:          return WSAEMSGSIZE;
 220         case EPROTOTYPE:        return WSAEPROTOTYPE;
 221         case ENOPROTOOPT:       return WSAENOPROTOOPT;
 222         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
 223         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
 224         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
 225         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
 226         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
 227         case EADDRINUSE:        return WSAEADDRINUSE;
 228         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
 229         case ENETDOWN:          return WSAENETDOWN;
 230         case ENETUNREACH:       return WSAENETUNREACH;
 231         case ENETRESET:         return WSAENETRESET;
 232         case ECONNABORTED:      return WSAECONNABORTED;
 233         case EPIPE:
 234         case ECONNRESET:        return WSAECONNRESET;
 235         case ENOBUFS:           return WSAENOBUFS;
 236         case EISCONN:           return WSAEISCONN;
 237         case ENOTCONN:          return WSAENOTCONN;
 238         case ESHUTDOWN:         return WSAESHUTDOWN;
 239         case ETOOMANYREFS:      return WSAETOOMANYREFS;
 240         case ETIMEDOUT:         return WSAETIMEDOUT;
 241         case ECONNREFUSED:      return WSAECONNREFUSED;
 242         case ELOOP:             return WSAELOOP;
 243         case ENAMETOOLONG:      return WSAENAMETOOLONG;
 244         case EHOSTDOWN:         return WSAEHOSTDOWN;
 245         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
 246         case ENOTEMPTY:         return WSAENOTEMPTY;
 247 #ifdef EPROCLIM
 248         case EPROCLIM:          return WSAEPROCLIM;
 249 #endif
 250 #ifdef EUSERS
 251         case EUSERS:            return WSAEUSERS;
 252 #endif
 253 #ifdef EDQUOT
 254         case EDQUOT:            return WSAEDQUOT;
 255 #endif
 256 #ifdef ESTALE
 257         case ESTALE:            return WSAESTALE;
 258 #endif
 259 #ifdef EREMOTE
 260         case EREMOTE:           return WSAEREMOTE;
 261 #endif
 262     default: errno=err; perror("sock_set_error"); return WSAEFAULT;
 263     }
 264 }
 265
 266 /******************************************************************************
 267  * NETCON_create
 268  * Basically calls 'socket()'
 269  */
 270 BOOL NETCON_create(WININET_NETCONNECTION *connection, int domain,
 271               int type, int protocol)
 272 {
 273 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 274     if (connection->useSSL)
 275         return FALSE;
 276 #endif
 277
 278     connection->socketFD = socket(domain, type, protocol);
 279     if (connection->socketFD == -1)
 280     {
 281         INTERNET_SetLastError(sock_get_error(errno));
 282         return FALSE;
 283     }
 284     return TRUE;
 285 }
 286
 287 /******************************************************************************
 288  * NETCON_close
 289  * Basically calls 'close()' unless we should use SSL
 290  */
 291 BOOL NETCON_close(WININET_NETCONNECTION *connection)
 292 {
 293     int result;
 294
 295     if (!NETCON_connected(connection)) return FALSE;
 296
 297 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 298     if (connection->useSSL)
 299     {
 300         HeapFree(GetProcessHeap(),0,connection->peek_msg_mem);
 301         connection->peek_msg = NULL;
 302         connection->peek_msg_mem = NULL;
 303
 304         pSSL_shutdown(connection->ssl_s);
 305         pSSL_free(connection->ssl_s);
 306         connection->ssl_s = NULL;
 307
 308         connection->useSSL = FALSE;
 309     }
 310 #endif
 311
 312     result = closesocket(connection->socketFD);
 313     connection->socketFD = -1;
 314
 315     if (result == -1)
 316     {
 317         INTERNET_SetLastError(sock_get_error(errno));
 318         return FALSE;
 319     }
 320     return TRUE;
 321 }
 322 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 323 static BOOL check_hostname(X509 *cert, char *hostname)
 324 {
 325     /* FIXME: implement */
 326     return TRUE;
 327 }
 328 #endif
 329 /******************************************************************************
 330  * NETCON_secure_connect
 331  * Initiates a secure connection over an existing plaintext connection.
 332  */
 333 BOOL NETCON_secure_connect(WININET_NETCONNECTION *connection, LPCWSTR hostname)
 334 {
 335 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 336     long verify_res;
 337     X509 *cert;
 338     int len;
 339     char *hostname_unix;
 340
 341     /* can't connect if we are already connected */
 342     if (connection->useSSL)
 343     {
 344         ERR("already connected\n");
 345         return FALSE;
 346     }
 347
 348     ctx = pSSL_CTX_new(meth);
 349     if (!pSSL_CTX_set_default_verify_paths(ctx))
 350     {
 351         ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
 352             pERR_error_string(pERR_get_error(), 0));
 353         return FALSE;
 354     }
 355     connection->ssl_s = pSSL_new(ctx);
 356     if (!connection->ssl_s)
 357     {
 358         ERR("SSL_new failed: %s\n",
 359             pERR_error_string(pERR_get_error(), 0));
 360         goto fail;
 361     }
 362
 363     if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
 364     {
 365         ERR("SSL_set_fd failed: %s\n",
 366             pERR_error_string(pERR_get_error(), 0));
 367         goto fail;
 368     }
 369
 370     if (pSSL_connect(connection->ssl_s) <= 0)
 371     {
 372         ERR("SSL_connect failed: %s\n",
 373             pERR_error_string(pERR_get_error(), 0));
 374         INTERNET_SetLastError(ERROR_INTERNET_SECURITY_CHANNEL_ERROR);
 375         goto fail;
 376     }
 377     cert = pSSL_get_peer_certificate(connection->ssl_s);
 378     if (!cert)
 379     {
 380         ERR("no certificate for server %s\n", debugstr_w(hostname));
 381         /* FIXME: is this the best error? */
 382         INTERNET_SetLastError(ERROR_INTERNET_INVALID_CA);
 383         goto fail;
 384     }
 385     verify_res = pSSL_get_verify_result(connection->ssl_s);
 386     if (verify_res != X509_V_OK)
 387     {
 388         ERR("couldn't verify the security of the connection, %ld\n", verify_res);
 389         /* FIXME: we should set an error and return, but we only warn at
 390          * the moment */
 391     }
 392
 393     len = WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, NULL, 0, NULL, NULL);
 394     hostname_unix = HeapAlloc(GetProcessHeap(), 0, len);
 395     if (!hostname_unix)
 396     {
 397         INTERNET_SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 398         goto fail;
 399     }
 400     WideCharToMultiByte(CP_UNIXCP, 0, hostname, -1, hostname_unix, len, NULL, NULL);
 401
 402     if (!check_hostname(cert, hostname_unix))
 403     {
 404         HeapFree(GetProcessHeap(), 0, hostname_unix);
 405         INTERNET_SetLastError(ERROR_INTERNET_SEC_CERT_CN_INVALID);
 406         goto fail;
 407     }
 408
 409     HeapFree(GetProcessHeap(), 0, hostname_unix);
 410     connection->useSSL = TRUE;
 411     return TRUE;
 412
 413 fail:
 414     if (connection->ssl_s)
 415     {
 416         pSSL_shutdown(connection->ssl_s);
 417         pSSL_free(connection->ssl_s);
 418         connection->ssl_s = NULL;
 419     }
 420 #endif
 421     return FALSE;
 422 }
 423
 424 /******************************************************************************
 425  * NETCON_connect
 426  * Connects to the specified address.
 427  */
 428 BOOL NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
 429                     unsigned int addrlen)
 430 {
 431     int result;
 432
 433     if (!NETCON_connected(connection)) return FALSE;
 434
 435     result = connect(connection->socketFD, serv_addr, addrlen);
 436     if (result == -1)
 437     {
 438         WARN("Unable to connect to host (%s)\n", strerror(errno));
 439         INTERNET_SetLastError(sock_get_error(errno));
 440
 441         closesocket(connection->socketFD);
 442         connection->socketFD = -1;
 443         return FALSE;
 444     }
 445
 446     return TRUE;
 447 }
 448
 449 /******************************************************************************
 450  * NETCON_send
 451  * Basically calls 'send()' unless we should use SSL
 452  * number of chars send is put in *sent
 453  */
 454 BOOL NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
 455                 int *sent /* out */)
 456 {
 457     if (!NETCON_connected(connection)) return FALSE;
 458     if (!connection->useSSL)
 459     {
 460         *sent = send(connection->socketFD, msg, len, flags);
 461         if (*sent == -1)
 462         {
 463             INTERNET_SetLastError(sock_get_error(errno));
 464             return FALSE;
 465         }
 466         return TRUE;
 467     }
 468     else
 469     {
 470 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 471         if (flags)
 472             FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
 473         *sent = pSSL_write(connection->ssl_s, msg, len);
 474         if (*sent < 1 && len)
 475             return FALSE;
 476         return TRUE;
 477 #else
 478         return FALSE;
 479 #endif
 480     }
 481 }
 482
 483 /******************************************************************************
 484  * NETCON_recv
 485  * Basically calls 'recv()' unless we should use SSL
 486  * number of chars received is put in *recvd
 487  */
 488 BOOL NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
 489                 int *recvd /* out */)
 490 {
 491     if (!NETCON_connected(connection)) return FALSE;
 492     if (!connection->useSSL)
 493     {
 494         *recvd = recv(connection->socketFD, buf, len, flags);
 495         if (*recvd == -1)
 496         {
 497             INTERNET_SetLastError(sock_get_error(errno));
 498             return FALSE;
 499         }
 500         return TRUE;
 501     }
 502     else
 503     {
 504 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 505         if (flags & (~MSG_PEEK))
 506             FIXME("SSL_read does not support the following flag: %08x\n", flags);
 507
 508         /* this ugly hack is all for MSG_PEEK. eww gross */
 509         if (flags & MSG_PEEK && !connection->peek_msg)
 510         {
 511             connection->peek_msg = connection->peek_msg_mem = HeapAlloc(GetProcessHeap(), 0, (sizeof(char) * len) + 1);
 512         }
 513         else if (flags & MSG_PEEK && connection->peek_msg)
 514         {
 515             size_t peek_msg_len = strlen(connection->peek_msg);
 516             if (len < peek_msg_len)
 517                 FIXME("buffer isn't big enough. Do the expect us to wrap?\n");
 518             memcpy(buf, connection->peek_msg, min(len,peek_msg_len+1));
 519             *recvd = min(len, peek_msg_len);
 520             return TRUE;
 521         }
 522         else if (connection->peek_msg)
 523         {
 524             size_t peek_msg_len = strlen(connection->peek_msg);
 525             memcpy(buf, connection->peek_msg, min(len,peek_msg_len+1));
 526             connection->peek_msg += *recvd = min(len, peek_msg_len);
 527             if (*connection->peek_msg == '\0' || *(connection->peek_msg - 1) == '\0')
 528             {
 529                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 530                 connection->peek_msg_mem = NULL;
 531                 connection->peek_msg = NULL;
 532             }
 533             return TRUE;
 534         }
 535         *recvd = pSSL_read(connection->ssl_s, buf, len);
 536         if (flags & MSG_PEEK) /* must copy stuff into buffer */
 537         {
 538             if (!*recvd)
 539             {
 540                 HeapFree(GetProcessHeap(), 0, connection->peek_msg_mem);
 541                 connection->peek_msg_mem = NULL;
 542                 connection->peek_msg = NULL;
 543             }
 544             else
 545             {
 546                 memcpy(connection->peek_msg, buf, *recvd);
 547                 connection->peek_msg[*recvd] = '\0';
 548             }
 549         }
 550         if (*recvd < 1 && len)
 551             return FALSE;
 552         return TRUE;
 553 #else
 554         return FALSE;
 555 #endif
 556     }
 557 }
 558
 559 /******************************************************************************
 560  * NETCON_getNextLine
 561  */
 562 BOOL NETCON_getNextLine(WININET_NETCONNECTION *connection, LPSTR lpszBuffer, LPDWORD dwBuffer)
 563 {
 564
 565     TRACE("\n");
 566
 567     if (!NETCON_connected(connection)) return FALSE;
 568
 569     if (!connection->useSSL)
 570     {
 571         struct timeval tv;
 572         fd_set infd;
 573         BOOL bSuccess = FALSE;
 574         DWORD nRecv = 0;
 575
 576         FD_ZERO(&infd);
 577         FD_SET(connection->socketFD, &infd);
 578         tv.tv_sec=RESPONSE_TIMEOUT;
 579         tv.tv_usec=0;
 580
 581         while (nRecv < *dwBuffer)
 582         {
 583             if (select(connection->socketFD+1,&infd,NULL,NULL,&tv) > 0)
 584             {
 585                 if (recv(connection->socketFD, &lpszBuffer[nRecv], 1, 0) <= 0)
 586                 {
 587                     INTERNET_SetLastError(sock_get_error(errno));
 588                     goto lend;
 589                 }
 590
 591                 if (lpszBuffer[nRecv] == '\n')
 592                 {
 593                     bSuccess = TRUE;
 594                     break;
 595                 }
 596                 if (lpszBuffer[nRecv] != '\r')
 597                     nRecv++;
 598             }
 599             else
 600             {
 601                 INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
 602                 goto lend;
 603             }
 604         }
 605
 606     lend:             /* FIXME: don't use labels */
 607         if (bSuccess)
 608         {
 609             lpszBuffer[nRecv++] = '\0';
 610             *dwBuffer = nRecv;
 611             TRACE(":%lu %s\n", nRecv, lpszBuffer);
 612             return TRUE;
 613         }
 614         else
 615         {
 616             return FALSE;
 617         }
 618     }
 619     else
 620     {
 621 #if defined HAVE_OPENSSL_SSL_H && defined HAVE_OPENSSL_ERR_H
 622         long prev_timeout;
 623         DWORD nRecv = 0;
 624         BOOL success = TRUE;
 625
 626         prev_timeout = pSSL_CTX_get_timeout(ctx);
 627         pSSL_CTX_set_timeout(ctx, RESPONSE_TIMEOUT);
 628
 629         while (nRecv < *dwBuffer)
 630         {
 631             int recv = 1;
 632             if (!NETCON_recv(connection, &lpszBuffer[nRecv], 1, 0, &recv))
 633             {
 634                 INTERNET_SetLastError(ERROR_CONNECTION_ABORTED);
 635                 success = FALSE;
 636             }
 637
 638             if (lpszBuffer[nRecv] == '\n')
 639             {
 640                 success = TRUE;
 641                 break;
 642             }
 643             if (lpszBuffer[nRecv] != '\r')
 644                 nRecv++;
 645         }
 646
 647         pSSL_CTX_set_timeout(ctx, prev_timeout);
 648         if (success)
 649         {
 650             lpszBuffer[nRecv++] = '\0';
 651             *dwBuffer = nRecv;
 652             TRACE("_SSL:%lu %s\n", nRecv, lpszBuffer);
 653             return TRUE;
 654         }
 655         return FALSE;
 656 #else
 657         return FALSE;
 658 #endif
 659     }
 660 }