dlls/secur32/ntlm.c

   1 /*
   2  * Copyright 2005 Kai Blin
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  * This file implements the NTLM security provider.
  19  */
  20
  21 #include <assert.h>
  22 #include <stdarg.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26 #include "rpc.h"
  27 #include "sspi.h"
  28 #include "lm.h"
  29 #include "secur32_priv.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(secur32);
  33
  34 #define NTLM_MAX_BUF 2010
  35
  36
  37 /***********************************************************************
  38  *              QueryCredentialsAttributesA
  39  */
  40 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesA(
  41         PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
  42 {
  43     SECURITY_STATUS ret;
  44
  45     TRACE("(%p, %ld, %p)\n", phCredential, ulAttribute, pBuffer);
  46
  47     if(ulAttribute == SECPKG_ATTR_NAMES)
  48     {
  49         FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
  50         ret = SEC_E_UNSUPPORTED_FUNCTION;
  51     }
  52     else
  53         ret = SEC_E_UNSUPPORTED_FUNCTION;
  54
  55     return ret;
  56 }
  57
  58 /***********************************************************************
  59  *              QueryCredentialsAttributesW
  60  */
  61 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesW(
  62         PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
  63 {
  64     SECURITY_STATUS ret;
  65
  66     TRACE("(%p, %ld, %p)\n", phCredential, ulAttribute, pBuffer);
  67
  68     if(ulAttribute == SECPKG_ATTR_NAMES)
  69     {
  70         FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
  71         ret = SEC_E_UNSUPPORTED_FUNCTION;
  72     }
  73     else
  74         ret = SEC_E_UNSUPPORTED_FUNCTION;
  75
  76     return ret;
  77 }
  78
  79 /***********************************************************************
  80  *              AcquireCredentialsHandleW
  81  */
  82 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleW(
  83  SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
  84  PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
  85  PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
  86 {
  87     SECURITY_STATUS ret;
  88     PNegoHelper helper = NULL;
  89
  90     SEC_CHAR *client_user_arg = NULL;
  91     SEC_CHAR *client_domain_arg = NULL;
  92     SEC_WCHAR *username = NULL, *domain = NULL;
  93
  94     SEC_CHAR *client_argv[5];
  95     SEC_CHAR *server_argv[] = { "ntlm_auth",
  96         "--helper-protocol=squid-2.5-ntlmssp",
  97         NULL };
  98
  99     TRACE("(%s, %s, 0x%08lx, %p, %p, %p, %p, %p, %p)\n",
 100      debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
 101      pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
 102
 103
 104     switch(fCredentialUse)
 105     {
 106         case SECPKG_CRED_INBOUND:
 107             if( (ret = fork_helper(&helper, "ntlm_auth", server_argv)) !=
 108                     SEC_E_OK)
 109             {
 110                 phCredential = NULL;
 111                 break;
 112             }
 113             else
 114             {
 115                 helper->mode = NTLM_SERVER;
 116                 phCredential->dwUpper = fCredentialUse;
 117                 phCredential->dwLower = (DWORD)helper;
 118             }
 119             ret = SEC_E_OK;
 120             break;
 121         case SECPKG_CRED_OUTBOUND:
 122             {
 123                 static const char username_arg[] = "--username=";
 124                 static const char domain_arg[] = "--domain=";
 125                 int unixcp_size;
 126
 127                 if(pAuthData == NULL)
 128                 {
 129                     LPWKSTA_USER_INFO_1 ui = NULL;
 130                     NET_API_STATUS status;
 131
 132                     status = NetWkstaUserGetInfo(NULL, 1, (LPBYTE *)&ui);
 133                     if (status != NERR_Success || ui == NULL)
 134                     {
 135                         ret = SEC_E_NO_CREDENTIALS;
 136                         phCredential = NULL;
 137                         break;
 138                     }
 139
 140                     username = HeapAlloc(GetProcessHeap(), 0,
 141                             (lstrlenW(ui->wkui1_username)+1) *
 142                             sizeof(SEC_WCHAR));
 143                     lstrcpyW(username, ui->wkui1_username);
 144
 145                     /* same for the domain */
 146                     domain = HeapAlloc(GetProcessHeap(), 0,
 147                             (lstrlenW(ui->wkui1_logon_domain)+1) *
 148                             sizeof(SEC_WCHAR));
 149                     lstrcpyW(domain, ui->wkui1_logon_domain);
 150                     NetApiBufferFree(ui);
 151                 }
 152                 else
 153                 {
 154                     PSEC_WINNT_AUTH_IDENTITY_W auth_data =
 155                         (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
 156
 157                     if (!auth_data->UserLength || !auth_data->DomainLength)
 158                     {
 159                         ret = SEC_E_NO_CREDENTIALS;
 160                         phCredential = NULL;
 161                         break;
 162                     }
 163                     /* Get username and domain from pAuthData */
 164                     username = HeapAlloc(GetProcessHeap(), 0,
 165                             (auth_data->UserLength + 1) * sizeof(SEC_WCHAR));
 166                     lstrcpyW(username, auth_data->User);
 167
 168                     domain = HeapAlloc(GetProcessHeap(), 0,
 169                             (auth_data->DomainLength + 1) * sizeof(SEC_WCHAR));
 170                     lstrcpyW(domain, auth_data->Domain);
 171                 }
 172                 TRACE("Username is %s\n", debugstr_w(username));
 173                 unixcp_size =  WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 174                         username, -1, NULL, 0, NULL, NULL) + sizeof(username_arg);
 175                 client_user_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
 176                 lstrcpyA(client_user_arg, username_arg);
 177                 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, username, -1,
 178                         client_user_arg + sizeof(username_arg) - 1,
 179                         unixcp_size - sizeof(username_arg) + 1, NULL, NULL);
 180
 181                 TRACE("Domain name is %s\n", debugstr_w(domain));
 182                 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 183                         domain, -1, NULL, 0,  NULL, NULL) + sizeof(domain_arg);
 184                 client_domain_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
 185                 lstrcpyA(client_domain_arg, domain_arg);
 186                 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, domain,
 187                         -1, client_domain_arg + sizeof(domain_arg) - 1,
 188                         unixcp_size - sizeof(domain) + 1, NULL, NULL);
 189
 190                 client_argv[0] = "ntlm_auth";
 191                 client_argv[1] = "--helper-protocol=ntlmssp-client-1";
 192                 client_argv[2] = client_user_arg;
 193                 client_argv[3] = client_domain_arg;
 194                 client_argv[4] = NULL;
 195
 196                 if((ret = fork_helper(&helper, "ntlm_auth", client_argv)) !=
 197                         SEC_E_OK)
 198                 {
 199                     phCredential = NULL;
 200                     break;
 201                 }
 202                 else
 203                 {
 204                     helper->mode = NTLM_CLIENT;
 205
 206                     if(pAuthData != NULL)
 207                     {
 208                         PSEC_WINNT_AUTH_IDENTITY_W auth_data =
 209                            (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
 210
 211                         if(auth_data->PasswordLength != 0)
 212                         {
 213                             helper->pwlen = WideCharToMultiByte(CP_UNIXCP,
 214                                 WC_NO_BEST_FIT_CHARS, auth_data->Password,
 215                                 auth_data->PasswordLength+1, NULL, 0, NULL, NULL);
 216
 217                             helper->password = HeapAlloc(GetProcessHeap(), 0,
 218                                     helper->pwlen);
 219
 220                             WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 221                                 auth_data->Password, auth_data->PasswordLength+1,
 222                                 helper->password, helper->pwlen, NULL, NULL);
 223                         }
 224                     }
 225
 226                     phCredential->dwUpper = fCredentialUse;
 227                     phCredential->dwLower = (DWORD)helper;
 228                     TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
 229                             phCredential->dwUpper, phCredential->dwLower);
 230                 }
 231                 ret = SEC_E_OK;
 232                 break;
 233             }
 234         case SECPKG_CRED_BOTH:
 235             FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
 236             ret = SEC_E_UNSUPPORTED_FUNCTION;
 237             phCredential = NULL;
 238             break;
 239         default:
 240             phCredential = NULL;
 241             ret = SEC_E_UNKNOWN_CREDENTIALS;
 242     }
 243
 244
 245     HeapFree(GetProcessHeap(), 0, client_user_arg);
 246     HeapFree(GetProcessHeap(), 0, client_domain_arg);
 247     HeapFree(GetProcessHeap(), 0, username);
 248     HeapFree(GetProcessHeap(), 0, domain);
 249
 250     return ret;
 251 }
 252
 253 /***********************************************************************
 254  *              AcquireCredentialsHandleA
 255  */
 256 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleA(
 257  SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
 258  PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
 259  PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
 260 {
 261     SECURITY_STATUS ret;
 262     int user_sizeW, domain_sizeW, passwd_sizeW;
 263
 264     SEC_WCHAR *user = NULL, *domain = NULL, *passwd = NULL, *package = NULL;
 265
 266     PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW = NULL;
 267     PSEC_WINNT_AUTH_IDENTITY_A identity  = NULL;
 268
 269     TRACE("(%s, %s, 0x%08lx, %p, %p, %p, %p, %p, %p)\n",
 270      debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
 271      pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
 272
 273     if(pszPackage != NULL)
 274     {
 275         int package_sizeW = MultiByteToWideChar(CP_ACP, 0, pszPackage, -1,
 276                 NULL, 0);
 277
 278         package = HeapAlloc(GetProcessHeap(), 0, package_sizeW *
 279                 sizeof(SEC_WCHAR));
 280         MultiByteToWideChar(CP_ACP, 0, pszPackage, -1, package, package_sizeW);
 281     }
 282
 283
 284     if(pAuthData != NULL)
 285     {
 286         identity = (PSEC_WINNT_AUTH_IDENTITY_A)pAuthData;
 287
 288         if(identity->Flags == SEC_WINNT_AUTH_IDENTITY_ANSI)
 289         {
 290             pAuthDataW = HeapAlloc(GetProcessHeap(), 0,
 291                     sizeof(SEC_WINNT_AUTH_IDENTITY_W));
 292
 293             if(identity->UserLength != 0)
 294             {
 295                 user_sizeW = MultiByteToWideChar(CP_ACP, 0,
 296                     (LPCSTR)identity->User, identity->UserLength+1, NULL, 0);
 297                 user = HeapAlloc(GetProcessHeap(), 0, user_sizeW *
 298                         sizeof(SEC_WCHAR));
 299                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->User,
 300                     identity->UserLength+1, user, user_sizeW);
 301             }
 302             else
 303             {
 304                 user_sizeW = 0;
 305             }
 306
 307             if(identity->DomainLength != 0)
 308             {
 309                 domain_sizeW = MultiByteToWideChar(CP_ACP, 0,
 310                     (LPCSTR)identity->Domain, identity->DomainLength+1, NULL, 0);
 311                 domain = HeapAlloc(GetProcessHeap(), 0, domain_sizeW
 312                     * sizeof(SEC_WCHAR));
 313                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Domain,
 314                     identity->DomainLength+1, domain, domain_sizeW);
 315             }
 316             else
 317             {
 318                 domain_sizeW = 0;
 319             }
 320
 321             if(identity->PasswordLength != 0)
 322             {
 323                 passwd_sizeW = MultiByteToWideChar(CP_ACP, 0,
 324                     (LPCSTR)identity->Password, identity->PasswordLength+1,
 325                     NULL, 0);
 326                 passwd = HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
 327                     * sizeof(SEC_WCHAR));
 328                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Password,
 329                     identity->PasswordLength+1, passwd, passwd_sizeW);
 330             }
 331             else
 332             {
 333                 passwd_sizeW = 0;
 334             }
 335
 336             pAuthDataW->Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
 337             pAuthDataW->User = user;
 338             pAuthDataW->UserLength = user_sizeW;
 339             pAuthDataW->Domain = domain;
 340             pAuthDataW->DomainLength = domain_sizeW;
 341             pAuthDataW->Password = passwd;
 342             pAuthDataW->PasswordLength = passwd_sizeW;
 343         }
 344         else
 345         {
 346             pAuthDataW = (PSEC_WINNT_AUTH_IDENTITY_W)identity;
 347         }
 348     }
 349
 350     ret = ntlm_AcquireCredentialsHandleW(NULL, package, fCredentialUse,
 351             pLogonID, pAuthDataW, pGetKeyFn, pGetKeyArgument, phCredential,
 352             ptsExpiry);
 353
 354     HeapFree(GetProcessHeap(), 0, package);
 355     HeapFree(GetProcessHeap(), 0, user);
 356     HeapFree(GetProcessHeap(), 0, domain);
 357     HeapFree(GetProcessHeap(), 0, passwd);
 358     if(pAuthDataW != (PSEC_WINNT_AUTH_IDENTITY_W)identity)
 359         HeapFree(GetProcessHeap(), 0, pAuthDataW);
 360
 361     return ret;
 362 }
 363
 364 /***********************************************************************
 365  *              InitializeSecurityContextW
 366  */
 367 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
 368  PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
 369  ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
 370  PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
 371  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 372 {
 373     SECURITY_STATUS ret;
 374     PNegoHelper helper;
 375     ULONG ctxt_attr = 0;
 376     char* buffer;
 377     PBYTE bin;
 378     int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
 379
 380     TRACE("%p %p %s %ld %ld %ld %p %ld %p %p %p %p\n", phCredential, phContext,
 381      debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
 382      Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
 383
 384     if(!phCredential)
 385         return SEC_E_INVALID_HANDLE;
 386
 387     /* As the server side of sspi never calls this, make sure that
 388      * the handler is a client handler.
 389      */
 390     helper = (PNegoHelper)phCredential->dwLower;
 391     if(helper->mode != NTLM_CLIENT)
 392     {
 393         TRACE("Helper mode = %d\n", helper->mode);
 394         return SEC_E_INVALID_HANDLE;
 395     }
 396
 397     /****************************************
 398      * When communicating with the client, there can be the
 399      * following reply packets:
 400      * YR <base64 blob>         should be sent to the server
 401      * PW                       should be sent back to helper with
 402      *                          base64 encoded password
 403      * AF <base64 blob>         client is done, blob should be
 404      *                          sent to server with KK prefixed
 405      * BH <char reason>         something broke
 406      */
 407     /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
 408
 409     if (pszTargetName)
 410     {
 411         TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
 412     }
 413     /* Handle all the flags */
 414     if(fContextReq & ISC_REQ_CONFIDENTIALITY)
 415     {
 416         FIXME("InitializeSecurityContext(): ISC_REQ_CONFIDENTIALITY stub\n");
 417     }
 418     if(fContextReq & ISC_REQ_CONNECTION)
 419     {
 420         /* This is default, so we'll enable it */
 421         ctxt_attr |= ISC_RET_CONNECTION;
 422     }
 423     if(fContextReq & ISC_REQ_EXTENDED_ERROR)
 424         FIXME("ISC_REQ_EXTENDED_ERROR\n");
 425     if(fContextReq & ISC_REQ_INTEGRITY)
 426         FIXME("ISC_REQ_INTEGRITY\n");
 427     if(fContextReq & ISC_REQ_MUTUAL_AUTH)
 428         FIXME("ISC_REQ_MUTUAL_AUTH\n");
 429     if(fContextReq & ISC_REQ_REPLAY_DETECT)
 430         FIXME("ISC_REQ_REPLAY_DETECT\n");
 431     if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
 432         FIXME("ISC_REQ_SEQUENCE_DETECT\n");
 433     if(fContextReq & ISC_REQ_STREAM)
 434         FIXME("ISC_REQ_STREAM\n");
 435
 436     /* Done with the flags */
 437     if(TargetDataRep == SECURITY_NETWORK_DREP){
 438         TRACE("Setting SECURITY_NETWORK_DREP\n");
 439     }
 440
 441     buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
 442     bin = HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE) * NTLM_MAX_BUF);
 443
 444     if((phContext == NULL) && (pInput == NULL))
 445     {
 446         TRACE("First time in ISC()\n");
 447         /* Request a challenge request from ntlm_auth */
 448         if(helper->password == NULL)
 449         {
 450             FIXME("Using empty password for now.\n");
 451             lstrcpynA(buffer, "PW AA==", max_len-1);
 452         }
 453         else
 454         {
 455             lstrcpynA(buffer, "PW ", max_len-1);
 456             if((ret = encodeBase64((unsigned char*)helper->password,
 457                         helper->pwlen-2, buffer+3,
 458                         max_len-3, &buffer_len)) != SEC_E_OK)
 459             {
 460                 TRACE("Deleting password!\n");
 461                 memset(helper->password, 0, helper->pwlen-2);
 462                 HeapFree(GetProcessHeap(), 0, helper->password);
 463                 goto end;
 464             }
 465
 466         }
 467
 468         TRACE("Sending to helper: %s\n", debugstr_a(buffer));
 469         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 470             goto end;
 471
 472         TRACE("Helper returned %s\n", debugstr_a(buffer));
 473         lstrcpynA(buffer, "YR", max_len-1);
 474
 475         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 476             goto end;
 477
 478         TRACE("%s\n", buffer);
 479
 480         if(strncmp(buffer, "YR ", 3) != 0)
 481         {
 482             /* Something borked */
 483             TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
 484             ret = SEC_E_INTERNAL_ERROR;
 485             goto end;
 486         }
 487         if((ret = decodeBase64(buffer+3, buffer_len-3, bin,
 488                         max_len-1, &bin_len)) != SEC_E_OK)
 489             goto end;
 490
 491         /* put the decoded client blob into the out buffer */
 492
 493         ret = SEC_I_CONTINUE_NEEDED;
 494     }
 495     else
 496     {
 497         /* handle second call here */
 498         /* encode server data to base64 */
 499         if (!pInput || !pInput->cBuffers)
 500         {
 501             ret = SEC_E_INCOMPLETE_MESSAGE;
 502             goto end;
 503         }
 504
 505         if (!pInput->pBuffers[0].pvBuffer)
 506         {
 507             ret = SEC_E_INTERNAL_ERROR;
 508             goto end;
 509         }
 510
 511         if(pInput->pBuffers[0].cbBuffer > max_len)
 512         {
 513             TRACE("pInput->pBuffers[0].cbBuffer is: %ld\n",
 514                     pInput->pBuffers[0].cbBuffer);
 515             ret = SEC_E_INVALID_TOKEN;
 516             goto end;
 517         }
 518         else
 519             bin_len = pInput->pBuffers[0].cbBuffer;
 520
 521         memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 522
 523         lstrcpynA(buffer, "TT ", max_len-1);
 524
 525         if((ret = encodeBase64(bin, bin_len, buffer+3,
 526                         max_len-3, &buffer_len)) != SEC_E_OK)
 527             goto end;
 528
 529         TRACE("Server sent: %s\n", debugstr_a(buffer));
 530
 531         /* send TT base64 blob to ntlm_auth */
 532         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 533             goto end;
 534
 535         TRACE("Helper replied: %s\n", debugstr_a(buffer));
 536
 537         if( (strncmp(buffer, "KK ", 3) != 0) &&
 538                 (strncmp(buffer, "AF ", 3) !=0))
 539         {
 540             TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
 541             HeapFree(GetProcessHeap(), 0, buffer);
 542             HeapFree(GetProcessHeap(), 0, bin);
 543             return SEC_E_INVALID_TOKEN;
 544         }
 545
 546         /* decode the blob and send it to server */
 547         if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
 548                         &bin_len)) != SEC_E_OK)
 549         {
 550             HeapFree(GetProcessHeap(), 0, buffer);
 551             HeapFree(GetProcessHeap(), 0, bin);
 552             return ret;
 553         }
 554
 555         phNewContext->dwUpper = ctxt_attr;
 556         phNewContext->dwLower = ret;
 557
 558         ret = SEC_E_OK;
 559     }
 560
 561     /* put the decoded client blob into the out buffer */
 562
 563     if (fContextReq & ISC_REQ_ALLOCATE_MEMORY)
 564     {
 565         if (pOutput)
 566         {
 567             pOutput->cBuffers = 1;
 568             pOutput->pBuffers[0].pvBuffer = SECUR32_ALLOC(bin_len);
 569             pOutput->pBuffers[0].cbBuffer = bin_len;
 570         }
 571     }
 572
 573     if (!pOutput || !pOutput->cBuffers || pOutput->pBuffers[0].cbBuffer < bin_len)
 574     {
 575         TRACE("out buffer is NULL or has not enough space\n");
 576         ret = SEC_E_BUFFER_TOO_SMALL;
 577         goto end;
 578     }
 579
 580     if (!pOutput->pBuffers[0].pvBuffer)
 581     {
 582         TRACE("out buffer is NULL\n");
 583         ret = SEC_E_INTERNAL_ERROR;
 584         goto end;
 585     }
 586
 587     pOutput->pBuffers[0].cbBuffer = bin_len;
 588     pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
 589     memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
 590
 591     if(ret != SEC_I_CONTINUE_NEEDED)
 592     {
 593         TRACE("Deleting password!\n");
 594         if(helper->password)
 595             memset(helper->password, 0, helper->pwlen-2);
 596         HeapFree(GetProcessHeap(), 0, helper->password);
 597     }
 598 end:
 599     HeapFree(GetProcessHeap(), 0, buffer);
 600     HeapFree(GetProcessHeap(), 0, bin);
 601     return ret;
 602 }
 603
 604 /***********************************************************************
 605  *              InitializeSecurityContextA
 606  */
 607 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
 608  PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
 609  ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
 610  PSecBufferDesc pInput,ULONG Reserved2, PCtxtHandle phNewContext,
 611  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 612 {
 613     SECURITY_STATUS ret;
 614
 615     TRACE("%p %p %s %ld %ld %ld %p %ld %p %p %p %p\n", phCredential, phContext,
 616      debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
 617      Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
 618
 619     if (phCredential)
 620     {
 621         SEC_WCHAR *target = NULL;
 622         if(pszTargetName != NULL)
 623         {
 624             int target_size = MultiByteToWideChar(CP_ACP, 0, pszTargetName,
 625                 strlen(pszTargetName)+1, NULL, 0);
 626             target = HeapAlloc(GetProcessHeap(), 0, target_size *
 627                     sizeof(SEC_WCHAR));
 628             MultiByteToWideChar(CP_ACP, 0, pszTargetName, strlen(pszTargetName)+1,
 629                 target, target_size);
 630         }
 631
 632         ret = ntlm_InitializeSecurityContextW(phCredential, phContext, target,
 633                 fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
 634                 phNewContext, pOutput, pfContextAttr, ptsExpiry);
 635
 636         HeapFree(GetProcessHeap(), 0, target);
 637     }
 638     else
 639     {
 640         ret = SEC_E_INVALID_HANDLE;
 641     }
 642     return ret;
 643 }
 644
 645 /***********************************************************************
 646  *              AcceptSecurityContext
 647  */
 648 static SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(
 649  PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput,
 650  ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
 651  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 652 {
 653     SECURITY_STATUS ret;
 654
 655     TRACE("%p %p %p %ld %ld %p %p %p %p\n", phCredential, phContext, pInput,
 656      fContextReq, TargetDataRep, phNewContext, pOutput, pfContextAttr,
 657      ptsExpiry);
 658     if (phCredential)
 659     {
 660         PNegoHelper helper = (PNegoHelper)phCredential->dwLower;
 661         /* Max size of input data is 2010 byte, as that's the maximum size
 662          * ntlm_auth will handle*/
 663         char *buffer = HeapAlloc(GetProcessHeap(), 0,
 664                 sizeof(char) * NTLM_MAX_BUF);
 665         PBYTE bin = HeapAlloc(GetProcessHeap(),0, sizeof(BYTE) * NTLM_MAX_BUF);
 666         int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
 667         ULONG ctxt_attr = 0;
 668
 669         if(helper->mode != NTLM_SERVER)
 670         {
 671             HeapFree(GetProcessHeap(), 0, buffer);
 672             HeapFree(GetProcessHeap(), 0, bin);
 673             return SEC_E_INVALID_HANDLE;
 674         }
 675
 676         /* Handle all the flags */
 677         if(fContextReq & ISC_REQ_ALLOCATE_MEMORY)
 678         {
 679             FIXME("AcceptSecurityContext(): ISC_REQ_ALLOCATE_MEMORY stub\n");
 680         }
 681         if(fContextReq & ISC_REQ_CONFIDENTIALITY)
 682         {
 683             FIXME("AcceptSecurityContext(): ISC_REQ_CONFIDENTIALITY stub\n");
 684         }
 685         if(fContextReq & ISC_REQ_CONNECTION)
 686         {
 687             /* This is default, so we'll enable it */
 688             ctxt_attr |= ISC_RET_CONNECTION;
 689         }
 690         if(fContextReq & ISC_REQ_EXTENDED_ERROR)
 691         {
 692             FIXME("AcceptSecurityContext(): ISC_REQ_EXTENDED_ERROR stub\n");
 693         }
 694         if(fContextReq & ISC_REQ_INTEGRITY)
 695         {
 696             FIXME("AcceptSecurityContext(): ISC_REQ_INTEGRITY stub\n");
 697         }
 698         if(fContextReq & ISC_REQ_MUTUAL_AUTH)
 699         {
 700             FIXME("AcceptSecurityContext(): ISC_REQ_MUTUAL_AUTH stub\n");
 701         }
 702         if(fContextReq & ISC_REQ_REPLAY_DETECT)
 703         {
 704             FIXME("AcceptSecurityContext(): ISC_REQ_REPLAY_DETECT stub\n");
 705         }
 706         if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
 707         {
 708             FIXME("AcceptSecurityContext(): ISC_REQ_SEQUENCE_DETECT stub\n");
 709         }
 710         if(fContextReq & ISC_REQ_STREAM)
 711         {
 712             FIXME("AcceptSecurityContext(): ISC_REQ_STREAM stub\n");
 713         }
 714         /* Done with the flags */
 715         if(TargetDataRep == SECURITY_NETWORK_DREP){
 716             TRACE("Using SECURITY_NETWORK_DREP\n");
 717         }
 718
 719
 720         if(phContext == NULL)
 721         {
 722             /* This is the first call to AcceptSecurityHandle */
 723             if(pInput == NULL)
 724             {
 725                 HeapFree(GetProcessHeap(), 0, buffer);
 726                 HeapFree(GetProcessHeap(), 0, bin);
 727                 return SEC_E_INCOMPLETE_MESSAGE;
 728             }
 729
 730             if(pInput->cBuffers < 1)
 731             {
 732                 HeapFree(GetProcessHeap(), 0, buffer);
 733                 HeapFree(GetProcessHeap(), 0, bin);
 734                 return SEC_E_INCOMPLETE_MESSAGE;
 735             }
 736
 737             if(pInput->pBuffers[0].cbBuffer > max_len)
 738             {
 739                 HeapFree(GetProcessHeap(), 0, buffer);
 740                 HeapFree(GetProcessHeap(), 0, bin);
 741                 return SEC_E_INVALID_TOKEN;
 742             }
 743             else
 744                 bin_len = pInput->pBuffers[0].cbBuffer;
 745
 746             /* This is the YR request from the client, encode to base64 */
 747
 748             memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 749
 750             lstrcpynA(buffer, "YR ", max_len-1);
 751
 752             if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
 753                         &buffer_len)) != SEC_E_OK)
 754             {
 755                 HeapFree(GetProcessHeap(), 0, buffer);
 756                 HeapFree(GetProcessHeap(), 0, bin);
 757                 return ret;
 758             }
 759
 760             TRACE("Client sent: %s\n", debugstr_a(buffer));
 761
 762             if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
 763                         SEC_E_OK)
 764             {
 765                 HeapFree(GetProcessHeap(), 0, buffer);
 766                 HeapFree(GetProcessHeap(), 0, bin);
 767                 return ret;
 768             }
 769
 770             TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
 771             /* The expected answer is TT <base64 blob> */
 772
 773             if(strncmp(buffer, "TT ", 3) != 0)
 774             {
 775                 HeapFree(GetProcessHeap(), 0, buffer);
 776                 HeapFree(GetProcessHeap(), 0, bin);
 777                 return SEC_E_INVALID_TOKEN;
 778             }
 779
 780             if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
 781                             &bin_len)) != SEC_E_OK)
 782             {
 783                 HeapFree(GetProcessHeap(), 0, buffer);
 784                 HeapFree(GetProcessHeap(), 0, bin);
 785                 return ret;
 786             }
 787
 788             /* send this to the client */
 789             if(pOutput == NULL)
 790             {
 791                 HeapFree(GetProcessHeap(), 0, buffer);
 792                 HeapFree(GetProcessHeap(), 0, bin);
 793                 return SEC_E_INSUFFICIENT_MEMORY;
 794             }
 795
 796             if(pOutput->cBuffers < 1)
 797             {
 798                 HeapFree(GetProcessHeap(), 0, buffer);
 799                 HeapFree(GetProcessHeap(), 0, bin);
 800                 return SEC_E_INSUFFICIENT_MEMORY;
 801             }
 802
 803             pOutput->pBuffers[0].cbBuffer = bin_len;
 804             pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
 805             memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
 806             ret = SEC_I_CONTINUE_NEEDED;
 807
 808         }
 809         else
 810         {
 811             /* we expect a KK request from client */
 812             if(pInput == NULL)
 813             {
 814                 HeapFree(GetProcessHeap(), 0, buffer);
 815                 HeapFree(GetProcessHeap(), 0, bin);
 816                 return SEC_E_INCOMPLETE_MESSAGE;
 817             }
 818
 819             if(pInput->cBuffers < 1)
 820             {
 821                 HeapFree(GetProcessHeap(), 0, buffer);
 822                 HeapFree(GetProcessHeap(), 0, bin);
 823                 return SEC_E_INCOMPLETE_MESSAGE;
 824             }
 825
 826             if(pInput->pBuffers[0].cbBuffer > max_len)
 827             {
 828                 HeapFree(GetProcessHeap(), 0, buffer);
 829                 HeapFree(GetProcessHeap(), 0, bin);
 830                 return SEC_E_INVALID_TOKEN;
 831             }
 832             else
 833                 bin_len = pInput->pBuffers[0].cbBuffer;
 834
 835             memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 836
 837             lstrcpynA(buffer, "KK ", max_len-1);
 838
 839             if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
 840                         &buffer_len)) != SEC_E_OK)
 841             {
 842                 HeapFree(GetProcessHeap(), 0, buffer);
 843                 HeapFree(GetProcessHeap(), 0, bin);
 844                 return ret;
 845             }
 846
 847             TRACE("Client sent: %s\n", debugstr_a(buffer));
 848
 849             if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
 850                         SEC_E_OK)
 851             {
 852                 HeapFree(GetProcessHeap(), 0, buffer);
 853                 HeapFree(GetProcessHeap(), 0, bin);
 854                 return ret;
 855             }
 856
 857             TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
 858
 859             if(strncmp(buffer, "AF ", 3) != 0)
 860             {
 861                 if(strncmp(buffer, "NA ", 3) == 0)
 862                 {
 863                     HeapFree(GetProcessHeap(), 0, buffer);
 864                     HeapFree(GetProcessHeap(), 0, bin);
 865                     return SEC_E_LOGON_DENIED;
 866                 }
 867                 else
 868                 {
 869                     HeapFree(GetProcessHeap(), 0, buffer);
 870                     HeapFree(GetProcessHeap(), 0, bin);
 871                     return SEC_E_INVALID_TOKEN;
 872                 }
 873             }
 874
 875             ret = SEC_E_OK;
 876         }
 877
 878         phNewContext->dwUpper = ctxt_attr;
 879         phNewContext->dwLower = ret;
 880         HeapFree(GetProcessHeap(), 0, buffer);
 881         HeapFree(GetProcessHeap(), 0, bin);
 882
 883     }
 884     else
 885     {
 886         ret = SEC_E_INVALID_HANDLE;
 887     }
 888     return ret;
 889 }
 890
 891 /***********************************************************************
 892  *              CompleteAuthToken
 893  */
 894 static SECURITY_STATUS SEC_ENTRY ntlm_CompleteAuthToken(PCtxtHandle phContext,
 895  PSecBufferDesc pToken)
 896 {
 897     SECURITY_STATUS ret;
 898
 899     TRACE("%p %p\n", phContext, pToken);
 900     if (phContext)
 901     {
 902         ret = SEC_E_UNSUPPORTED_FUNCTION;
 903     }
 904     else
 905     {
 906         ret = SEC_E_INVALID_HANDLE;
 907     }
 908     return ret;
 909 }
 910
 911 /***********************************************************************
 912  *              DeleteSecurityContext
 913  */
 914 static SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle phContext)
 915 {
 916     SECURITY_STATUS ret;
 917
 918     TRACE("%p\n", phContext);
 919     if (phContext)
 920     {
 921         phContext->dwUpper = 0;
 922         phContext->dwLower = 0;
 923         ret = SEC_E_OK;
 924     }
 925     else
 926     {
 927         ret = SEC_E_INVALID_HANDLE;
 928     }
 929     return ret;
 930 }
 931
 932 /***********************************************************************
 933  *              QueryContextAttributesW
 934  */
 935 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle phContext,
 936  unsigned long ulAttribute, void *pBuffer)
 937 {
 938     SECURITY_STATUS ret;
 939
 940     /* FIXME: From reading wrapper.h, I think the dwUpper part of a context is
 941      * the SecurePackage part and the dwLower part is the actual context
 942      * handle. It should be easy to extract the context attributes from that.
 943      */
 944     TRACE("%p %ld %p\n", phContext, ulAttribute, pBuffer);
 945     if (phContext)
 946     {
 947         ret = SEC_E_UNSUPPORTED_FUNCTION;
 948     }
 949     else
 950     {
 951         ret = SEC_E_INVALID_HANDLE;
 952     }
 953     return ret;
 954 }
 955
 956 /***********************************************************************
 957  *              QueryContextAttributesA
 958  */
 959 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle phContext,
 960  unsigned long ulAttribute, void *pBuffer)
 961 {
 962     return ntlm_QueryContextAttributesW(phContext, ulAttribute, pBuffer);
 963 }
 964
 965 /***********************************************************************
 966  *              ImpersonateSecurityContext
 967  */
 968 static SECURITY_STATUS SEC_ENTRY ntlm_ImpersonateSecurityContext(PCtxtHandle phContext)
 969 {
 970     SECURITY_STATUS ret;
 971
 972     TRACE("%p\n", phContext);
 973     if (phContext)
 974     {
 975         ret = SEC_E_UNSUPPORTED_FUNCTION;
 976     }
 977     else
 978     {
 979         ret = SEC_E_INVALID_HANDLE;
 980     }
 981     return ret;
 982 }
 983
 984 /***********************************************************************
 985  *              RevertSecurityContext
 986  */
 987 static SECURITY_STATUS SEC_ENTRY ntlm_RevertSecurityContext(PCtxtHandle phContext)
 988 {
 989     SECURITY_STATUS ret;
 990
 991     TRACE("%p\n", phContext);
 992     if (phContext)
 993     {
 994         ret = SEC_E_UNSUPPORTED_FUNCTION;
 995     }
 996     else
 997     {
 998         ret = SEC_E_INVALID_HANDLE;
 999     }
1000     return ret;
1001 }
1002
1003 /***********************************************************************
1004  *              MakeSignature
1005  */
1006 static SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
1007  PSecBufferDesc pMessage, ULONG MessageSeqNo)
1008 {
1009     SECURITY_STATUS ret;
1010
1011     TRACE("%p %ld %p %ld\n", phContext, fQOP, pMessage, MessageSeqNo);
1012     if (phContext)
1013     {
1014         ret = SEC_E_UNSUPPORTED_FUNCTION;
1015     }
1016     else
1017     {
1018         ret = SEC_E_INVALID_HANDLE;
1019     }
1020     return ret;
1021 }
1022
1023 /***********************************************************************
1024  *              VerifySignature
1025  */
1026 static SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle phContext,
1027  PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1028 {
1029     SECURITY_STATUS ret;
1030
1031     TRACE("%p %p %ld %p\n", phContext, pMessage, MessageSeqNo, pfQOP);
1032     if (phContext)
1033     {
1034         ret = SEC_E_UNSUPPORTED_FUNCTION;
1035     }
1036     else
1037     {
1038         ret = SEC_E_INVALID_HANDLE;
1039     }
1040     return ret;
1041 }
1042
1043 /***********************************************************************
1044  *             FreeCredentialsHandle
1045  */
1046 static SECURITY_STATUS SEC_ENTRY ntlm_FreeCredentialsHandle(
1047         PCredHandle phCredential)
1048 {
1049     SECURITY_STATUS ret;
1050
1051     if(phCredential){
1052         PNegoHelper helper = (PNegoHelper) phCredential->dwLower;
1053         phCredential->dwUpper = 0;
1054         phCredential->dwLower = 0;
1055         cleanup_helper(helper);
1056         ret = SEC_E_OK;
1057     }
1058     else
1059         ret = SEC_E_OK;
1060
1061     return ret;
1062 }
1063
1064 /***********************************************************************
1065  *             EncryptMessage
1066  */
1067 static SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle phContext,
1068         ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
1069 {
1070     TRACE("%p %ld %p %ld stub\n", phContext, fQOP, pMessage, MessageSeqNo);
1071
1072     if(!phContext)
1073         return SEC_E_INVALID_HANDLE;
1074
1075     return SEC_E_UNSUPPORTED_FUNCTION;
1076 }
1077
1078 /***********************************************************************
1079  *             DecryptMessage
1080  */
1081 static SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle phContext,
1082         PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1083 {
1084     TRACE("%p %p %ld %p stub\n", phContext, pMessage, MessageSeqNo, pfQOP);
1085
1086     if(!phContext)
1087         return SEC_E_INVALID_HANDLE;
1088
1089     return SEC_E_UNSUPPORTED_FUNCTION;
1090 }
1091
1092 static SecurityFunctionTableA ntlmTableA = {
1093     1,
1094     NULL,   /* EnumerateSecurityPackagesA */
1095     ntlm_QueryCredentialsAttributesA,   /* QueryCredentialsAttributesA */
1096     ntlm_AcquireCredentialsHandleA,     /* AcquireCredentialsHandleA */
1097     ntlm_FreeCredentialsHandle,         /* FreeCredentialsHandle */
1098     NULL,   /* Reserved2 */
1099     ntlm_InitializeSecurityContextA,    /* InitializeSecurityContextA */
1100     ntlm_AcceptSecurityContext,         /* AcceptSecurityContext */
1101     ntlm_CompleteAuthToken,             /* CompleteAuthToken */
1102     ntlm_DeleteSecurityContext,         /* DeleteSecurityContext */
1103     NULL,  /* ApplyControlToken */
1104     ntlm_QueryContextAttributesA,       /* QueryContextAttributesA */
1105     ntlm_ImpersonateSecurityContext,    /* ImpersonateSecurityContext */
1106     ntlm_RevertSecurityContext,         /* RevertSecurityContext */
1107     ntlm_MakeSignature,                 /* MakeSignature */
1108     ntlm_VerifySignature,               /* VerifySignature */
1109     FreeContextBuffer,                  /* FreeContextBuffer */
1110     NULL,   /* QuerySecurityPackageInfoA */
1111     NULL,   /* Reserved3 */
1112     NULL,   /* Reserved4 */
1113     NULL,   /* ExportSecurityContext */
1114     NULL,   /* ImportSecurityContextA */
1115     NULL,   /* AddCredentialsA */
1116     NULL,   /* Reserved8 */
1117     NULL,   /* QuerySecurityContextToken */
1118     ntlm_EncryptMessage,                /* EncryptMessage */
1119     ntlm_DecryptMessage,                /* DecryptMessage */
1120     NULL,   /* SetContextAttributesA */
1121 };
1122
1123 static SecurityFunctionTableW ntlmTableW = {
1124     1,
1125     NULL,   /* EnumerateSecurityPackagesW */
1126     ntlm_QueryCredentialsAttributesW,   /* QueryCredentialsAttributesW */
1127     ntlm_AcquireCredentialsHandleW,     /* AcquireCredentialsHandleW */
1128     ntlm_FreeCredentialsHandle,         /* FreeCredentialsHandle */
1129     NULL,   /* Reserved2 */
1130     ntlm_InitializeSecurityContextW,    /* InitializeSecurityContextW */
1131     ntlm_AcceptSecurityContext,         /* AcceptSecurityContext */
1132     ntlm_CompleteAuthToken,             /* CompleteAuthToken */
1133     ntlm_DeleteSecurityContext,         /* DeleteSecurityContext */
1134     NULL,  /* ApplyControlToken */
1135     ntlm_QueryContextAttributesW,       /* QueryContextAttributesW */
1136     ntlm_ImpersonateSecurityContext,    /* ImpersonateSecurityContext */
1137     ntlm_RevertSecurityContext,         /* RevertSecurityContext */
1138     ntlm_MakeSignature,                 /* MakeSignature */
1139     ntlm_VerifySignature,               /* VerifySignature */
1140     FreeContextBuffer,                  /* FreeContextBuffer */
1141     NULL,   /* QuerySecurityPackageInfoW */
1142     NULL,   /* Reserved3 */
1143     NULL,   /* Reserved4 */
1144     NULL,   /* ExportSecurityContext */
1145     NULL,   /* ImportSecurityContextW */
1146     NULL,   /* AddCredentialsW */
1147     NULL,   /* Reserved8 */
1148     NULL,   /* QuerySecurityContextToken */
1149     ntlm_EncryptMessage,                /* EncryptMessage */
1150     ntlm_DecryptMessage,                /* DecryptMessage */
1151     NULL,   /* SetContextAttributesW */
1152 };
1153
1154 #define NTLM_COMMENT \
1155    { 'N', 'T', 'L', 'M', ' ', \
1156      'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1157      'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1158
1159 static CHAR ntlm_comment_A[] = NTLM_COMMENT;
1160 static WCHAR ntlm_comment_W[] = NTLM_COMMENT;
1161
1162 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1163
1164 static char ntlm_name_A[] = NTLM_NAME;
1165 static WCHAR ntlm_name_W[] = NTLM_NAME;
1166
1167 /* According to Windows, NTLM has the following capabilities.  */
1168 #define CAPS ( \
1169         SECPKG_FLAG_INTEGRITY | \
1170         SECPKG_FLAG_PRIVACY | \
1171         SECPKG_FLAG_TOKEN_ONLY | \
1172         SECPKG_FLAG_CONNECTION | \
1173         SECPKG_FLAG_MULTI_REQUIRED | \
1174         SECPKG_FLAG_IMPERSONATION | \
1175         SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1176         SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1177
1178 static const SecPkgInfoW infoW = {
1179     CAPS,
1180     1,
1181     RPC_C_AUTHN_WINNT,
1182     NTLM_MAX_BUF,
1183     ntlm_name_W,
1184     ntlm_comment_W
1185 };
1186
1187 static const SecPkgInfoA infoA = {
1188     CAPS,
1189     1,
1190     RPC_C_AUTHN_WINNT,
1191     NTLM_MAX_BUF,
1192     ntlm_name_A,
1193     ntlm_comment_A
1194 };
1195
1196 void SECUR32_initNTLMSP(void)
1197 {
1198     SECURITY_STATUS ret;
1199     PNegoHelper helper;
1200
1201     SEC_CHAR *args[] = {
1202         "ntlm_auth",
1203         "--version",
1204         NULL };
1205
1206     if((ret = fork_helper(&helper, "ntlm_auth", args)) != SEC_E_OK)
1207     {
1208         /* Cheat and allocate a helper anyway, so cleanup later will work. */
1209         helper = HeapAlloc(GetProcessHeap,0, sizeof(PNegoHelper));
1210         helper->version = -1;
1211     }
1212     else
1213         check_version(helper);
1214
1215     if(helper->version > 2)
1216     {
1217         SecureProvider *provider = SECUR32_addProvider(&ntlmTableA, &ntlmTableW, NULL);
1218         SECUR32_addPackages(provider, 1L, &infoA, &infoW);
1219     }
1220     cleanup_helper(helper);
1221 }