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 #define NONAMELESSUNION
  27
  28 #if defined(__MINGW32__) || defined (_MSC_VER)
  29 #include <ws2tcpip.h>
  30 #endif
  31
  32 #include <sys/types.h>
  33 #ifdef HAVE_POLL_H
  34 #include <poll.h>
  35 #endif
  36 #ifdef HAVE_SYS_POLL_H
  37 # include <sys/poll.h>
  38 #endif
  39 #ifdef HAVE_SYS_TIME_H
  40 # include <sys/time.h>
  41 #endif
  42 #ifdef HAVE_SYS_SOCKET_H
  43 # include <sys/socket.h>
  44 #endif
  45 #ifdef HAVE_SYS_FILIO_H
  46 # include <sys/filio.h>
  47 #endif
  48 #ifdef HAVE_UNISTD_H
  49 # include <unistd.h>
  50 #endif
  51 #ifdef HAVE_SYS_IOCTL_H
  52 # include <sys/ioctl.h>
  53 #endif
  54 #include <time.h>
  55 #ifdef HAVE_NETDB_H
  56 # include <netdb.h>
  57 #endif
  58 #ifdef HAVE_NETINET_IN_H
  59 # include <netinet/in.h>
  60 #endif
  61 #ifdef HAVE_OPENSSL_SSL_H
  62 # include <openssl/ssl.h>
  63 # include <openssl/opensslv.h>
  64 #undef FAR
  65 #undef DSA
  66 #endif
  67
  68 #include <stdarg.h>
  69 #include <stdlib.h>
  70 #include <string.h>
  71 #include <stdio.h>
  72 #include <errno.h>
  73
  74 #include "wine/library.h"
  75 #include "windef.h"
  76 #include "winbase.h"
  77 #include "wininet.h"
  78 #include "winerror.h"
  79 #include "wincrypt.h"
  80
  81 #include "wine/debug.h"
  82 #include "internet.h"
  83
  84 /* To avoid conflicts with the Unix socket headers. we only need it for
  85  * the error codes anyway. */
  86 #define USE_WS_PREFIX
  87 #include "winsock2.h"
  88
  89 #define RESPONSE_TIMEOUT        30            /* FROM internet.c */
  90
  91
  92 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  93
  94 /* FIXME!!!!!!
  95  *    This should use winsock - To use winsock the functions will have to change a bit
  96  *        as they are designed for unix sockets.
  97  *    SSL stuff should use crypt32.dll
  98  */
  99
 100 #ifdef SONAME_LIBSSL
 101
 102 #include <openssl/err.h>
 103
 104 static CRITICAL_SECTION init_ssl_cs;
 105 static CRITICAL_SECTION_DEBUG init_ssl_cs_debug =
 106 {
 107     0, 0, &init_ssl_cs,
 108     { &init_ssl_cs_debug.ProcessLocksList,
 109       &init_ssl_cs_debug.ProcessLocksList },
 110     0, 0, { (DWORD_PTR)(__FILE__ ": init_ssl_cs") }
 111 };
 112 static CRITICAL_SECTION init_ssl_cs = { &init_ssl_cs_debug, -1, 0, 0, 0, 0 };
 113
 114 static void *OpenSSL_ssl_handle;
 115 static void *OpenSSL_crypto_handle;
 116
 117 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER > 0x10000000)
 118 static const SSL_METHOD *meth;
 119 #else
 120 static SSL_METHOD *meth;
 121 #endif
 122 static SSL_CTX *ctx;
 123 static int hostname_idx;
 124 static int error_idx;
 125 static int conn_idx;
 126
 127 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
 128
 129 /* OpenSSL functions that we use */
 130 MAKE_FUNCPTR(SSL_library_init);
 131 MAKE_FUNCPTR(SSL_load_error_strings);
 132 MAKE_FUNCPTR(SSLv23_method);
 133 MAKE_FUNCPTR(SSL_CTX_free);
 134 MAKE_FUNCPTR(SSL_CTX_new);
 135 MAKE_FUNCPTR(SSL_new);
 136 MAKE_FUNCPTR(SSL_free);
 137 MAKE_FUNCPTR(SSL_set_fd);
 138 MAKE_FUNCPTR(SSL_connect);
 139 MAKE_FUNCPTR(SSL_shutdown);
 140 MAKE_FUNCPTR(SSL_write);
 141 MAKE_FUNCPTR(SSL_read);
 142 MAKE_FUNCPTR(SSL_pending);
 143 MAKE_FUNCPTR(SSL_get_error);
 144 MAKE_FUNCPTR(SSL_get_ex_new_index);
 145 MAKE_FUNCPTR(SSL_get_ex_data);
 146 MAKE_FUNCPTR(SSL_set_ex_data);
 147 MAKE_FUNCPTR(SSL_get_ex_data_X509_STORE_CTX_idx);
 148 MAKE_FUNCPTR(SSL_get_peer_certificate);
 149 MAKE_FUNCPTR(SSL_CTX_get_timeout);
 150 MAKE_FUNCPTR(SSL_CTX_set_timeout);
 151 MAKE_FUNCPTR(SSL_CTX_set_default_verify_paths);
 152 MAKE_FUNCPTR(SSL_CTX_set_verify);
 153 MAKE_FUNCPTR(SSL_get_current_cipher);
 154 MAKE_FUNCPTR(SSL_CIPHER_get_bits);
 155
 156 /* OpenSSL's libcrypto functions that we use */
 157 MAKE_FUNCPTR(BIO_new_fp);
 158 MAKE_FUNCPTR(CRYPTO_num_locks);
 159 MAKE_FUNCPTR(CRYPTO_set_id_callback);
 160 MAKE_FUNCPTR(CRYPTO_set_locking_callback);
 161 MAKE_FUNCPTR(ERR_free_strings);
 162 MAKE_FUNCPTR(ERR_get_error);
 163 MAKE_FUNCPTR(ERR_error_string);
 164 MAKE_FUNCPTR(X509_STORE_CTX_get_ex_data);
 165 MAKE_FUNCPTR(i2d_X509);
 166 MAKE_FUNCPTR(sk_num);
 167 MAKE_FUNCPTR(sk_value);
 168 #undef MAKE_FUNCPTR
 169
 170 static CRITICAL_SECTION *ssl_locks;
 171 static unsigned int num_ssl_locks;
 172
 173 static unsigned long ssl_thread_id(void)
 174 {
 175     return GetCurrentThreadId();
 176 }
 177
 178 static void ssl_lock_callback(int mode, int type, const char *file, int line)
 179 {
 180     if (mode & CRYPTO_LOCK)
 181         EnterCriticalSection(&ssl_locks[type]);
 182     else
 183         LeaveCriticalSection(&ssl_locks[type]);
 184 }
 185
 186 static PCCERT_CONTEXT X509_to_cert_context(X509 *cert)
 187 {
 188     unsigned char* buffer,*p;
 189     INT len;
 190     BOOL malloced = FALSE;
 191     PCCERT_CONTEXT ret;
 192
 193     p = NULL;
 194     len = pi2d_X509(cert,&p);
 195     /*
 196      * SSL 0.9.7 and above malloc the buffer if it is null.
 197      * however earlier version do not and so we would need to alloc the buffer.
 198      *
 199      * see the i2d_X509 man page for more details.
 200      */
 201     if (!p)
 202     {
 203         buffer = HeapAlloc(GetProcessHeap(),0,len);
 204         p = buffer;
 205         len = pi2d_X509(cert,&p);
 206     }
 207     else
 208     {
 209         buffer = p;
 210         malloced = TRUE;
 211     }
 212
 213     ret = CertCreateCertificateContext(X509_ASN_ENCODING,buffer,len);
 214
 215     if (malloced)
 216         free(buffer);
 217     else
 218         HeapFree(GetProcessHeap(),0,buffer);
 219
 220     return ret;
 221 }
 222
 223 static DWORD netconn_verify_cert(PCCERT_CONTEXT cert, HCERTSTORE store,
 224     WCHAR *server, DWORD security_flags)
 225 {
 226     BOOL ret;
 227     CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } };
 228     PCCERT_CHAIN_CONTEXT chain;
 229     char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH;
 230     char *server_auth[] = { oid_server_auth };
 231     DWORD err = ERROR_SUCCESS, chainFlags = 0;
 232
 233     TRACE("verifying %s\n", debugstr_w(server));
 234     chainPara.RequestedUsage.Usage.cUsageIdentifier = 1;
 235     chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth;
 236     if (!(security_flags & SECURITY_FLAG_IGNORE_REVOCATION))
 237         chainFlags |= CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
 238     if ((ret = CertGetCertificateChain(NULL, cert, NULL, store, &chainPara,
 239         chainFlags, NULL, &chain)))
 240     {
 241         if (chain->TrustStatus.dwErrorStatus)
 242         {
 243             static const DWORD supportedErrors =
 244                 CERT_TRUST_IS_NOT_TIME_VALID |
 245                 CERT_TRUST_IS_UNTRUSTED_ROOT |
 246                 CERT_TRUST_IS_OFFLINE_REVOCATION |
 247                 CERT_TRUST_REVOCATION_STATUS_UNKNOWN |
 248                 CERT_TRUST_IS_REVOKED |
 249                 CERT_TRUST_IS_NOT_VALID_FOR_USAGE;
 250
 251             if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID &&
 252                 !(security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID))
 253                 err = ERROR_INTERNET_SEC_CERT_DATE_INVALID;
 254             else if (chain->TrustStatus.dwErrorStatus &
 255                      CERT_TRUST_IS_UNTRUSTED_ROOT &&
 256                      !(security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA))
 257                 err = ERROR_INTERNET_INVALID_CA;
 258             else if (!(security_flags & SECURITY_FLAG_IGNORE_REVOCATION) &&
 259                      ((chain->TrustStatus.dwErrorStatus &
 260                       CERT_TRUST_IS_OFFLINE_REVOCATION) ||
 261                       (chain->TrustStatus.dwErrorStatus &
 262                        CERT_TRUST_REVOCATION_STATUS_UNKNOWN)))
 263                 err = ERROR_INTERNET_SEC_CERT_NO_REV;
 264             else if (!(security_flags & SECURITY_FLAG_IGNORE_REVOCATION) &&
 265                      (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED))
 266                 err = ERROR_INTERNET_SEC_CERT_REVOKED;
 267             else if (!(security_flags & SECURITY_FLAG_IGNORE_WRONG_USAGE) &&
 268                      (chain->TrustStatus.dwErrorStatus &
 269                       CERT_TRUST_IS_NOT_VALID_FOR_USAGE))
 270                 err = ERROR_INTERNET_SEC_INVALID_CERT;
 271             else if (chain->TrustStatus.dwErrorStatus & ~supportedErrors)
 272                 err = ERROR_INTERNET_SEC_INVALID_CERT;
 273         }
 274         if (!err)
 275         {
 276             CERT_CHAIN_POLICY_PARA policyPara;
 277             SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara;
 278             CERT_CHAIN_POLICY_STATUS policyStatus;
 279             CERT_CHAIN_CONTEXT chainCopy;
 280
 281             /* Clear chain->TrustStatus.dwErrorStatus so
 282              * CertVerifyCertificateChainPolicy will verify additional checks
 283              * rather than stopping with an existing, ignored error.
 284              */
 285             memcpy(&chainCopy, chain, sizeof(chainCopy));
 286             chainCopy.TrustStatus.dwErrorStatus = 0;
 287             sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara);
 288             sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER;
 289             sslExtraPolicyPara.pwszServerName = server;
 290             sslExtraPolicyPara.fdwChecks = security_flags;
 291             policyPara.cbSize = sizeof(policyPara);
 292             policyPara.dwFlags = 0;
 293             policyPara.pvExtraPolicyPara = &sslExtraPolicyPara;
 294             ret = CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_SSL,
 295                 &chainCopy, &policyPara, &policyStatus);
 296             /* Any error in the policy status indicates that the
 297              * policy couldn't be verified.
 298              */
 299             if (ret && policyStatus.dwError)
 300             {
 301                 if (policyStatus.dwError == CERT_E_CN_NO_MATCH)
 302                     err = ERROR_INTERNET_SEC_CERT_CN_INVALID;
 303                 else
 304                     err = ERROR_INTERNET_SEC_INVALID_CERT;
 305             }
 306         }
 307         CertFreeCertificateChain(chain);
 308     }
 309     TRACE("returning %08x\n", err);
 310     return err;
 311 }
 312
 313 static int netconn_secure_verify(int preverify_ok, X509_STORE_CTX *ctx)
 314 {
 315     SSL *ssl;
 316     WCHAR *server;
 317     BOOL ret = FALSE;
 318     HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
 319         CERT_STORE_CREATE_NEW_FLAG, NULL);
 320     WININET_NETCONNECTION *conn;
 321
 322     ssl = pX509_STORE_CTX_get_ex_data(ctx,
 323         pSSL_get_ex_data_X509_STORE_CTX_idx());
 324     server = pSSL_get_ex_data(ssl, hostname_idx);
 325     conn = pSSL_get_ex_data(ssl, conn_idx);
 326     if (store)
 327     {
 328         X509 *cert;
 329         int i;
 330         PCCERT_CONTEXT endCert = NULL;
 331
 332         ret = TRUE;
 333         for (i = 0; ret && i < psk_num((struct stack_st *)ctx->chain); i++)
 334         {
 335             PCCERT_CONTEXT context;
 336
 337             cert = (X509 *)psk_value((struct stack_st *)ctx->chain, i);
 338             if ((context = X509_to_cert_context(cert)))
 339             {
 340                 if (i == 0)
 341                     ret = CertAddCertificateContextToStore(store, context,
 342                         CERT_STORE_ADD_ALWAYS, &endCert);
 343                 else
 344                     ret = CertAddCertificateContextToStore(store, context,
 345                         CERT_STORE_ADD_ALWAYS, NULL);
 346                 CertFreeCertificateContext(context);
 347             }
 348         }
 349         if (!endCert) ret = FALSE;
 350         if (ret)
 351         {
 352             DWORD_PTR err = netconn_verify_cert(endCert, store, server,
 353                                                 conn->security_flags);
 354
 355             if (err)
 356             {
 357                 pSSL_set_ex_data(ssl, error_idx, (void *)err);
 358                 ret = FALSE;
 359             }
 360         }
 361         CertFreeCertificateContext(endCert);
 362         CertCloseStore(store, 0);
 363     }
 364     return ret;
 365 }
 366
 367 #endif
 368
 369 DWORD NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
 370 {
 371     connection->useSSL = FALSE;
 372     connection->socketFD = -1;
 373     if (useSSL)
 374     {
 375 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
 376         int i;
 377
 378         TRACE("using SSL connection\n");
 379         EnterCriticalSection(&init_ssl_cs);
 380         if (OpenSSL_ssl_handle) /* already initialized everything */
 381         {
 382             LeaveCriticalSection(&init_ssl_cs);
 383             return ERROR_SUCCESS;
 384         }
 385         OpenSSL_ssl_handle = wine_dlopen(SONAME_LIBSSL, RTLD_NOW, NULL, 0);
 386         if (!OpenSSL_ssl_handle)
 387         {
 388             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 389                 SONAME_LIBSSL);
 390             LeaveCriticalSection(&init_ssl_cs);
 391             return ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 392         }
 393         OpenSSL_crypto_handle = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
 394         if (!OpenSSL_crypto_handle)
 395         {
 396             ERR("trying to use a SSL connection, but couldn't load %s. Expect trouble.\n",
 397                 SONAME_LIBCRYPTO);
 398             LeaveCriticalSection(&init_ssl_cs);
 399             return ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 400         }
 401
 402         /* mmm nice ugly macroness */
 403 #define DYNSSL(x) \
 404     p##x = wine_dlsym(OpenSSL_ssl_handle, #x, NULL, 0); \
 405     if (!p##x) \
 406     { \
 407         ERR("failed to load symbol %s\n", #x); \
 408         LeaveCriticalSection(&init_ssl_cs); \
 409         return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; \
 410     }
 411
 412         DYNSSL(SSL_library_init);
 413         DYNSSL(SSL_load_error_strings);
 414         DYNSSL(SSLv23_method);
 415         DYNSSL(SSL_CTX_free);
 416         DYNSSL(SSL_CTX_new);
 417         DYNSSL(SSL_new);
 418         DYNSSL(SSL_free);
 419         DYNSSL(SSL_set_fd);
 420         DYNSSL(SSL_connect);
 421         DYNSSL(SSL_shutdown);
 422         DYNSSL(SSL_write);
 423         DYNSSL(SSL_read);
 424         DYNSSL(SSL_pending);
 425         DYNSSL(SSL_get_error);
 426         DYNSSL(SSL_get_ex_new_index);
 427         DYNSSL(SSL_get_ex_data);
 428         DYNSSL(SSL_set_ex_data);
 429         DYNSSL(SSL_get_ex_data_X509_STORE_CTX_idx);
 430         DYNSSL(SSL_get_peer_certificate);
 431         DYNSSL(SSL_CTX_get_timeout);
 432         DYNSSL(SSL_CTX_set_timeout);
 433         DYNSSL(SSL_CTX_set_default_verify_paths);
 434         DYNSSL(SSL_CTX_set_verify);
 435         DYNSSL(SSL_get_current_cipher);
 436         DYNSSL(SSL_CIPHER_get_bits);
 437 #undef DYNSSL
 438
 439 #define DYNCRYPTO(x) \
 440     p##x = wine_dlsym(OpenSSL_crypto_handle, #x, NULL, 0); \
 441     if (!p##x) \
 442     { \
 443         ERR("failed to load symbol %s\n", #x); \
 444         LeaveCriticalSection(&init_ssl_cs); \
 445         return ERROR_INTERNET_SECURITY_CHANNEL_ERROR; \
 446     }
 447         DYNCRYPTO(BIO_new_fp);
 448         DYNCRYPTO(CRYPTO_num_locks);
 449         DYNCRYPTO(CRYPTO_set_id_callback);
 450         DYNCRYPTO(CRYPTO_set_locking_callback);
 451         DYNCRYPTO(ERR_free_strings);
 452         DYNCRYPTO(ERR_get_error);
 453         DYNCRYPTO(ERR_error_string);
 454         DYNCRYPTO(X509_STORE_CTX_get_ex_data);
 455         DYNCRYPTO(i2d_X509);
 456         DYNCRYPTO(sk_num);
 457         DYNCRYPTO(sk_value);
 458 #undef DYNCRYPTO
 459
 460         pSSL_library_init();
 461         pSSL_load_error_strings();
 462         pBIO_new_fp(stderr, BIO_NOCLOSE); /* FIXME: should use winedebug stuff */
 463
 464         meth = pSSLv23_method();
 465         ctx = pSSL_CTX_new(meth);
 466         if (!pSSL_CTX_set_default_verify_paths(ctx))
 467         {
 468             ERR("SSL_CTX_set_default_verify_paths failed: %s\n",
 469                 pERR_error_string(pERR_get_error(), 0));
 470             LeaveCriticalSection(&init_ssl_cs);
 471             return ERROR_OUTOFMEMORY;
 472         }
 473         hostname_idx = pSSL_get_ex_new_index(0, (void *)"hostname index",
 474                 NULL, NULL, NULL);
 475         if (hostname_idx == -1)
 476         {
 477             ERR("SSL_get_ex_new_index failed; %s\n",
 478                 pERR_error_string(pERR_get_error(), 0));
 479             LeaveCriticalSection(&init_ssl_cs);
 480             return ERROR_OUTOFMEMORY;
 481         }
 482         error_idx = pSSL_get_ex_new_index(0, (void *)"error index",
 483                 NULL, NULL, NULL);
 484         if (error_idx == -1)
 485         {
 486             ERR("SSL_get_ex_new_index failed; %s\n",
 487                 pERR_error_string(pERR_get_error(), 0));
 488             LeaveCriticalSection(&init_ssl_cs);
 489             return ERROR_OUTOFMEMORY;
 490         }
 491         conn_idx = pSSL_get_ex_new_index(0, (void *)"netconn index",
 492                 NULL, NULL, NULL);
 493         if (conn_idx == -1)
 494         {
 495             ERR("SSL_get_ex_new_index failed; %s\n",
 496                 pERR_error_string(pERR_get_error(), 0));
 497             LeaveCriticalSection(&init_ssl_cs);
 498             return ERROR_OUTOFMEMORY;
 499         }
 500         pSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, netconn_secure_verify);
 501
 502         pCRYPTO_set_id_callback(ssl_thread_id);
 503         num_ssl_locks = pCRYPTO_num_locks();
 504         ssl_locks = HeapAlloc(GetProcessHeap(), 0, num_ssl_locks * sizeof(CRITICAL_SECTION));
 505         if (!ssl_locks)
 506         {
 507             LeaveCriticalSection(&init_ssl_cs);
 508             return ERROR_OUTOFMEMORY;
 509         }
 510         for (i = 0; i < num_ssl_locks; i++)
 511             InitializeCriticalSection(&ssl_locks[i]);
 512         pCRYPTO_set_locking_callback(ssl_lock_callback);
 513         LeaveCriticalSection(&init_ssl_cs);
 514 #else
 515         FIXME("can't use SSL, not compiled in.\n");
 516         return ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 517 #endif
 518     }
 519     return ERROR_SUCCESS;
 520 }
 521
 522 void NETCON_unload(void)
 523 {
 524 #if defined(SONAME_LIBSSL) && defined(SONAME_LIBCRYPTO)
 525     if (OpenSSL_crypto_handle)
 526     {
 527         pERR_free_strings();
 528         wine_dlclose(OpenSSL_crypto_handle, NULL, 0);
 529     }
 530     if (OpenSSL_ssl_handle)
 531     {
 532         if (ctx)
 533             pSSL_CTX_free(ctx);
 534         wine_dlclose(OpenSSL_ssl_handle, NULL, 0);
 535     }
 536     if (ssl_locks)
 537     {
 538         int i;
 539         for (i = 0; i < num_ssl_locks; i++) DeleteCriticalSection(&ssl_locks[i]);
 540         HeapFree(GetProcessHeap(), 0, ssl_locks);
 541     }
 542 #endif
 543 }
 544
 545 BOOL NETCON_connected(WININET_NETCONNECTION *connection)
 546 {
 547     if (connection->socketFD == -1)
 548         return FALSE;
 549     else
 550         return TRUE;
 551 }
 552
 553 /* translate a unix error code into a winsock one */
 554 int sock_get_error( int err )
 555 {
 556 #if !defined(__MINGW32__) && !defined (_MSC_VER)
 557     switch (err)
 558     {
 559         case EINTR:             return WSAEINTR;
 560         case EBADF:             return WSAEBADF;
 561         case EPERM:
 562         case EACCES:            return WSAEACCES;
 563         case EFAULT:            return WSAEFAULT;
 564         case EINVAL:            return WSAEINVAL;
 565         case EMFILE:            return WSAEMFILE;
 566         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
 567         case EINPROGRESS:       return WSAEINPROGRESS;
 568         case EALREADY:          return WSAEALREADY;
 569         case ENOTSOCK:          return WSAENOTSOCK;
 570         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
 571         case EMSGSIZE:          return WSAEMSGSIZE;
 572         case EPROTOTYPE:        return WSAEPROTOTYPE;
 573         case ENOPROTOOPT:       return WSAENOPROTOOPT;
 574         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
 575         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
 576         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
 577         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
 578         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
 579         case EADDRINUSE:        return WSAEADDRINUSE;
 580         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
 581         case ENETDOWN:          return WSAENETDOWN;
 582         case ENETUNREACH:       return WSAENETUNREACH;
 583         case ENETRESET:         return WSAENETRESET;
 584         case ECONNABORTED:      return WSAECONNABORTED;
 585         case EPIPE:
 586         case ECONNRESET:        return WSAECONNRESET;
 587         case ENOBUFS:           return WSAENOBUFS;
 588         case EISCONN:           return WSAEISCONN;
 589         case ENOTCONN:          return WSAENOTCONN;
 590         case ESHUTDOWN:         return WSAESHUTDOWN;
 591         case ETOOMANYREFS:      return WSAETOOMANYREFS;
 592         case ETIMEDOUT:         return WSAETIMEDOUT;
 593         case ECONNREFUSED:      return WSAECONNREFUSED;
 594         case ELOOP:             return WSAELOOP;
 595         case ENAMETOOLONG:      return WSAENAMETOOLONG;
 596         case EHOSTDOWN:         return WSAEHOSTDOWN;
 597         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
 598         case ENOTEMPTY:         return WSAENOTEMPTY;
 599 #ifdef EPROCLIM
 600         case EPROCLIM:          return WSAEPROCLIM;
 601 #endif
 602 #ifdef EUSERS
 603         case EUSERS:            return WSAEUSERS;
 604 #endif
 605 #ifdef EDQUOT
 606         case EDQUOT:            return WSAEDQUOT;
 607 #endif
 608 #ifdef ESTALE
 609         case ESTALE:            return WSAESTALE;
 610 #endif
 611 #ifdef EREMOTE
 612         case EREMOTE:           return WSAEREMOTE;
 613 #endif
 614     default: errno=err; perror("sock_set_error"); return WSAEFAULT;
 615     }
 616 #endif
 617     return err;
 618 }
 619
 620 /******************************************************************************
 621  * NETCON_create
 622  * Basically calls 'socket()'
 623  */
 624 DWORD NETCON_create(WININET_NETCONNECTION *connection, int domain,
 625               int type, int protocol)
 626 {
 627 #ifdef SONAME_LIBSSL
 628     if (connection->useSSL)
 629         return ERROR_NOT_SUPPORTED;
 630 #endif
 631
 632     connection->socketFD = socket(domain, type, protocol);
 633     if (connection->socketFD == -1)
 634         return sock_get_error(errno);
 635
 636     return ERROR_SUCCESS;
 637 }
 638
 639 /******************************************************************************
 640  * NETCON_close
 641  * Basically calls 'close()' unless we should use SSL
 642  */
 643 DWORD NETCON_close(WININET_NETCONNECTION *connection)
 644 {
 645     int result;
 646
 647     if (!NETCON_connected(connection)) return ERROR_SUCCESS;
 648
 649 #ifdef SONAME_LIBSSL
 650     if (connection->useSSL)
 651     {
 652         pSSL_shutdown(connection->ssl_s);
 653         pSSL_free(connection->ssl_s);
 654         connection->ssl_s = NULL;
 655
 656         connection->useSSL = FALSE;
 657     }
 658 #endif
 659
 660     result = closesocket(connection->socketFD);
 661     connection->socketFD = -1;
 662
 663     if (result == -1)
 664         return sock_get_error(errno);
 665     return ERROR_SUCCESS;
 666 }
 667
 668 /******************************************************************************
 669  * NETCON_secure_connect
 670  * Initiates a secure connection over an existing plaintext connection.
 671  */
 672 DWORD NETCON_secure_connect(WININET_NETCONNECTION *connection, LPWSTR hostname)
 673 {
 674     DWORD res = ERROR_NOT_SUPPORTED;
 675
 676 #ifdef SONAME_LIBSSL
 677     /* can't connect if we are already connected */
 678     if (connection->useSSL)
 679     {
 680         ERR("already connected\n");
 681         return ERROR_INTERNET_CANNOT_CONNECT;
 682     }
 683
 684     connection->ssl_s = pSSL_new(ctx);
 685     if (!connection->ssl_s)
 686     {
 687         ERR("SSL_new failed: %s\n",
 688             pERR_error_string(pERR_get_error(), 0));
 689         res = ERROR_OUTOFMEMORY;
 690         goto fail;
 691     }
 692
 693     if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
 694     {
 695         ERR("SSL_set_fd failed: %s\n",
 696             pERR_error_string(pERR_get_error(), 0));
 697         res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 698         goto fail;
 699     }
 700
 701     if (!pSSL_set_ex_data(connection->ssl_s, hostname_idx, hostname))
 702     {
 703         ERR("SSL_set_ex_data failed: %s\n",
 704             pERR_error_string(pERR_get_error(), 0));
 705         res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 706         goto fail;
 707     }
 708     if (!pSSL_set_ex_data(connection->ssl_s, conn_idx, connection))
 709     {
 710         ERR("SSL_set_ex_data failed: %s\n",
 711             pERR_error_string(pERR_get_error(), 0));
 712         res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 713         goto fail;
 714     }
 715     if (pSSL_connect(connection->ssl_s) <= 0)
 716     {
 717         res = (DWORD_PTR)pSSL_get_ex_data(connection->ssl_s, error_idx);
 718         if (!res)
 719             res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
 720         ERR("SSL_connect failed: %d\n", res);
 721         goto fail;
 722     }
 723
 724     connection->useSSL = TRUE;
 725     return ERROR_SUCCESS;
 726
 727 fail:
 728     if (connection->ssl_s)
 729     {
 730         pSSL_shutdown(connection->ssl_s);
 731         pSSL_free(connection->ssl_s);
 732         connection->ssl_s = NULL;
 733     }
 734 #endif
 735     return res;
 736 }
 737
 738 /******************************************************************************
 739  * NETCON_connect
 740  * Connects to the specified address.
 741  */
 742 DWORD NETCON_connect(WININET_NETCONNECTION *connection, const struct sockaddr *serv_addr,
 743                     unsigned int addrlen)
 744 {
 745     int result;
 746
 747     result = connect(connection->socketFD, serv_addr, addrlen);
 748     if (result == -1)
 749     {
 750         WARN("Unable to connect to host (%s)\n", strerror(errno));
 751
 752         closesocket(connection->socketFD);
 753         connection->socketFD = -1;
 754         return sock_get_error(errno);
 755     }
 756
 757     return ERROR_SUCCESS;
 758 }
 759
 760 /******************************************************************************
 761  * NETCON_send
 762  * Basically calls 'send()' unless we should use SSL
 763  * number of chars send is put in *sent
 764  */
 765 DWORD NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len, int flags,
 766                 int *sent /* out */)
 767 {
 768     if (!NETCON_connected(connection)) return ERROR_INTERNET_CONNECTION_ABORTED;
 769     if (!connection->useSSL)
 770     {
 771         *sent = send(connection->socketFD, msg, len, flags);
 772         if (*sent == -1)
 773             return sock_get_error(errno);
 774         return ERROR_SUCCESS;
 775     }
 776     else
 777     {
 778 #ifdef SONAME_LIBSSL
 779         if (flags)
 780             FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
 781         *sent = pSSL_write(connection->ssl_s, msg, len);
 782         if (*sent < 1 && len)
 783             return ERROR_INTERNET_CONNECTION_ABORTED;
 784         return ERROR_SUCCESS;
 785 #else
 786         return ERROR_NOT_SUPPORTED;
 787 #endif
 788     }
 789 }
 790
 791 /******************************************************************************
 792  * NETCON_recv
 793  * Basically calls 'recv()' unless we should use SSL
 794  * number of chars received is put in *recvd
 795  */
 796 DWORD NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int flags,
 797                 int *recvd /* out */)
 798 {
 799     *recvd = 0;
 800     if (!NETCON_connected(connection)) return ERROR_INTERNET_CONNECTION_ABORTED;
 801     if (!len)
 802         return ERROR_SUCCESS;
 803     if (!connection->useSSL)
 804     {
 805         *recvd = recv(connection->socketFD, buf, len, flags);
 806         if(!*recvd)
 807             NETCON_close(connection);
 808         return *recvd == -1 ? sock_get_error(errno) :  ERROR_SUCCESS;
 809     }
 810     else
 811     {
 812 #ifdef SONAME_LIBSSL
 813         *recvd = pSSL_read(connection->ssl_s, buf, len);
 814
 815         /* Check if EOF was received */
 816         if(!*recvd && (pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_ZERO_RETURN
 817                     || pSSL_get_error(connection->ssl_s, *recvd)==SSL_ERROR_SYSCALL)) {
 818             NETCON_close(connection);
 819             return ERROR_SUCCESS;
 820         }
 821
 822         return *recvd > 0 ? ERROR_SUCCESS : ERROR_INTERNET_CONNECTION_ABORTED;
 823 #else
 824         return ERROR_NOT_SUPPORTED;
 825 #endif
 826     }
 827 }
 828
 829 /******************************************************************************
 830  * NETCON_query_data_available
 831  * Returns the number of bytes of peeked data plus the number of bytes of
 832  * queued, but unread data.
 833  */
 834 BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *available)
 835 {
 836     *available = 0;
 837     if (!NETCON_connected(connection))
 838         return FALSE;
 839
 840     if (!connection->useSSL)
 841     {
 842 #ifdef FIONREAD
 843         int unread;
 844         int retval = ioctlsocket(connection->socketFD, FIONREAD, &unread);
 845         if (!retval)
 846         {
 847             TRACE("%d bytes of queued, but unread data\n", unread);
 848             *available += unread;
 849         }
 850 #endif
 851     }
 852     else
 853     {
 854 #ifdef SONAME_LIBSSL
 855         *available = pSSL_pending(connection->ssl_s);
 856 #endif
 857     }
 858     return TRUE;
 859 }
 860
 861 LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
 862 {
 863 #ifdef SONAME_LIBSSL
 864     X509* cert;
 865     LPCVOID r = NULL;
 866
 867     if (!connection->useSSL)
 868         return NULL;
 869
 870     cert = pSSL_get_peer_certificate(connection->ssl_s);
 871     r = X509_to_cert_context(cert);
 872     return r;
 873 #else
 874     return NULL;
 875 #endif
 876 }
 877
 878 int NETCON_GetCipherStrength(WININET_NETCONNECTION *connection)
 879 {
 880 #ifdef SONAME_LIBSSL
 881 #if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090707f)
 882     const SSL_CIPHER *cipher;
 883 #else
 884     SSL_CIPHER *cipher;
 885 #endif
 886     int bits = 0;
 887
 888     if (!connection->useSSL)
 889         return 0;
 890     cipher = pSSL_get_current_cipher(connection->ssl_s);
 891     if (!cipher)
 892         return 0;
 893     pSSL_CIPHER_get_bits(cipher, &bits);
 894     return bits;
 895 #else
 896     return 0;
 897 #endif
 898 }
 899
 900 DWORD NETCON_set_timeout(WININET_NETCONNECTION *connection, BOOL send, int value)
 901 {
 902     int result;
 903     struct timeval tv;
 904
 905     /* FIXME: we should probably store the timeout in the connection to set
 906      * when we do connect */
 907     if (!NETCON_connected(connection))
 908         return ERROR_SUCCESS;
 909
 910     /* value is in milliseconds, convert to struct timeval */
 911     tv.tv_sec = value / 1000;
 912     tv.tv_usec = (value % 1000) * 1000;
 913
 914     result = setsockopt(connection->socketFD, SOL_SOCKET,
 915                         send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv,
 916                         sizeof(tv));
 917
 918     if (result == -1)
 919     {
 920         WARN("setsockopt failed (%s)\n", strerror(errno));
 921         return sock_get_error(errno);
 922     }
 923
 924     return ERROR_SUCCESS;
 925 }