git.oblomov.eu Git - wine/blob - dlls/secur32/ntlm.c

   1 /*
   2  * Copyright 2005, 2006 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 <stdio.h>
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnls.h"
  27 #include "rpc.h"
  28 #include "sspi.h"
  29 #include "lm.h"
  30 #include "secur32_priv.h"
  31 #include "hmac_md5.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(secur32);
  35
  36 #define NTLM_MAX_BUF 1904
  37 #define MIN_NTLM_AUTH_MAJOR_VERSION 3
  38 #define MIN_NTLM_AUTH_MINOR_VERSION 0
  39 #define MIN_NTLM_AUTH_MICRO_VERSION 25
  40
  41 static CHAR ntlm_auth[] = "ntlm_auth";
  42
  43 /***********************************************************************
  44  *              QueryCredentialsAttributesA
  45  */
  46 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesA(
  47         PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
  48 {
  49     SECURITY_STATUS ret;
  50
  51     TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
  52
  53     if(ulAttribute == SECPKG_ATTR_NAMES)
  54     {
  55         FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
  56         ret = SEC_E_UNSUPPORTED_FUNCTION;
  57     }
  58     else
  59         ret = SEC_E_UNSUPPORTED_FUNCTION;
  60
  61     return ret;
  62 }
  63
  64 /***********************************************************************
  65  *              QueryCredentialsAttributesW
  66  */
  67 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesW(
  68         PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
  69 {
  70     SECURITY_STATUS ret;
  71
  72     TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
  73
  74     if(ulAttribute == SECPKG_ATTR_NAMES)
  75     {
  76         FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
  77         ret = SEC_E_UNSUPPORTED_FUNCTION;
  78     }
  79     else
  80         ret = SEC_E_UNSUPPORTED_FUNCTION;
  81
  82     return ret;
  83 }
  84
  85 /***********************************************************************
  86  *              AcquireCredentialsHandleW
  87  */
  88 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleW(
  89  SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
  90  PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
  91  PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
  92 {
  93     SECURITY_STATUS ret;
  94     PNegoHelper helper = NULL;
  95     static CHAR server_helper_protocol[] = "--helper-protocol=squid-2.5-ntlmssp",
  96                 credentials_argv[] = "--use-cached-creds";
  97
  98     SEC_CHAR *client_user_arg = NULL;
  99     SEC_CHAR *client_domain_arg = NULL;
 100     SEC_WCHAR *username = NULL, *domain = NULL;
 101
 102     SEC_CHAR *client_argv[6];
 103     SEC_CHAR *server_argv[] = { ntlm_auth,
 104         server_helper_protocol,
 105         NULL };
 106
 107     TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
 108      debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
 109      pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
 110
 111
 112     switch(fCredentialUse)
 113     {
 114         case SECPKG_CRED_INBOUND:
 115             if( (ret = fork_helper(&helper, ntlm_auth, server_argv)) !=
 116                     SEC_E_OK)
 117             {
 118                 phCredential = NULL;
 119                 break;
 120             }
 121             else
 122             {
 123                 helper->mode = NTLM_SERVER;
 124                 phCredential->dwUpper = fCredentialUse;
 125                 phCredential->dwLower = (ULONG_PTR)helper;
 126             }
 127             ret = SEC_E_OK;
 128             break;
 129         case SECPKG_CRED_OUTBOUND:
 130             {
 131                 static const char username_arg[] = "--username=";
 132                 static const char domain_arg[] = "--domain=";
 133                 static char helper_protocol[] = "--helper-protocol=ntlmssp-client-1";
 134                 int unixcp_size;
 135
 136                 if(pAuthData == NULL)
 137                 {
 138                     LPWKSTA_USER_INFO_1 ui = NULL;
 139                     NET_API_STATUS status;
 140
 141                     status = NetWkstaUserGetInfo(NULL, 1, (LPBYTE *)&ui);
 142                     if (status != NERR_Success || ui == NULL)
 143                     {
 144                         ret = SEC_E_NO_CREDENTIALS;
 145                         phCredential = NULL;
 146                         break;
 147                     }
 148
 149                     username = HeapAlloc(GetProcessHeap(), 0,
 150                             (lstrlenW(ui->wkui1_username)+1) *
 151                             sizeof(SEC_WCHAR));
 152                     lstrcpyW(username, ui->wkui1_username);
 153
 154                     /* same for the domain */
 155                     domain = HeapAlloc(GetProcessHeap(), 0,
 156                             (lstrlenW(ui->wkui1_logon_domain)+1) *
 157                             sizeof(SEC_WCHAR));
 158                     lstrcpyW(domain, ui->wkui1_logon_domain);
 159                     NetApiBufferFree(ui);
 160                 }
 161                 else
 162                 {
 163                     PSEC_WINNT_AUTH_IDENTITY_W auth_data =
 164                         (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
 165
 166                     /* Get username and domain from pAuthData */
 167                     username = HeapAlloc(GetProcessHeap(), 0,
 168                             (auth_data->UserLength + 1) * sizeof(SEC_WCHAR));
 169                     memcpy(username, auth_data->User,
 170                            auth_data->UserLength * sizeof(SEC_WCHAR));
 171                     username[auth_data->UserLength] = '\0';
 172
 173                     domain = HeapAlloc(GetProcessHeap(), 0,
 174                             (auth_data->DomainLength + 1) * sizeof(SEC_WCHAR));
 175                     memcpy(domain, auth_data->Domain,
 176                            auth_data->DomainLength * sizeof(SEC_WCHAR));
 177                     domain[auth_data->DomainLength] = '\0';
 178                 }
 179                 TRACE("Username is %s\n", debugstr_w(username));
 180                 unixcp_size =  WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 181                         username, -1, NULL, 0, NULL, NULL) + sizeof(username_arg);
 182                 client_user_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
 183                 lstrcpyA(client_user_arg, username_arg);
 184                 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, username, -1,
 185                         client_user_arg + sizeof(username_arg) - 1,
 186                         unixcp_size - sizeof(username_arg) + 1, NULL, NULL);
 187
 188                 TRACE("Domain name is %s\n", debugstr_w(domain));
 189                 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 190                         domain, -1, NULL, 0,  NULL, NULL) + sizeof(domain_arg);
 191                 client_domain_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
 192                 lstrcpyA(client_domain_arg, domain_arg);
 193                 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, domain,
 194                         -1, client_domain_arg + sizeof(domain_arg) - 1,
 195                         unixcp_size - sizeof(domain) + 1, NULL, NULL);
 196
 197                 client_argv[0] = ntlm_auth;
 198                 client_argv[1] = helper_protocol;
 199                 client_argv[2] = client_user_arg;
 200                 client_argv[3] = client_domain_arg;
 201                 client_argv[4] = credentials_argv;
 202                 client_argv[5] = NULL;
 203
 204                 if((ret = fork_helper(&helper, ntlm_auth, client_argv)) !=
 205                         SEC_E_OK)
 206                 {
 207                     phCredential = NULL;
 208                     break;
 209                 }
 210                 else
 211                 {
 212                     helper->mode = NTLM_CLIENT;
 213
 214                     if(pAuthData != NULL)
 215                     {
 216                         PSEC_WINNT_AUTH_IDENTITY_W auth_data =
 217                            (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
 218
 219                         if(auth_data->PasswordLength != 0)
 220                         {
 221                             helper->pwlen = WideCharToMultiByte(CP_UNIXCP,
 222                                 WC_NO_BEST_FIT_CHARS, auth_data->Password,
 223                                 auth_data->PasswordLength, NULL, 0, NULL,
 224                                 NULL);
 225
 226                             helper->password = HeapAlloc(GetProcessHeap(), 0,
 227                                     helper->pwlen);
 228
 229                             WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
 230                                 auth_data->Password, auth_data->PasswordLength,
 231                                 helper->password, helper->pwlen, NULL, NULL);
 232                         }
 233                     }
 234
 235                     phCredential->dwUpper = fCredentialUse;
 236                     phCredential->dwLower = (ULONG_PTR)helper;
 237                     TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
 238                             phCredential->dwUpper, phCredential->dwLower);
 239                 }
 240                 ret = SEC_E_OK;
 241                 break;
 242             }
 243         case SECPKG_CRED_BOTH:
 244             FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
 245             ret = SEC_E_UNSUPPORTED_FUNCTION;
 246             phCredential = NULL;
 247             break;
 248         default:
 249             phCredential = NULL;
 250             ret = SEC_E_UNKNOWN_CREDENTIALS;
 251     }
 252
 253
 254     HeapFree(GetProcessHeap(), 0, client_user_arg);
 255     HeapFree(GetProcessHeap(), 0, client_domain_arg);
 256     HeapFree(GetProcessHeap(), 0, username);
 257     HeapFree(GetProcessHeap(), 0, domain);
 258
 259     return ret;
 260 }
 261
 262 /***********************************************************************
 263  *              AcquireCredentialsHandleA
 264  */
 265 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleA(
 266  SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
 267  PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
 268  PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
 269 {
 270     SECURITY_STATUS ret;
 271     int user_sizeW, domain_sizeW, passwd_sizeW;
 272
 273     SEC_WCHAR *user = NULL, *domain = NULL, *passwd = NULL, *package = NULL;
 274
 275     PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW = NULL;
 276     PSEC_WINNT_AUTH_IDENTITY_A identity  = NULL;
 277
 278     TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
 279      debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
 280      pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
 281
 282     if(pszPackage != NULL)
 283     {
 284         int package_sizeW = MultiByteToWideChar(CP_ACP, 0, pszPackage, -1,
 285                 NULL, 0);
 286
 287         package = HeapAlloc(GetProcessHeap(), 0, package_sizeW *
 288                 sizeof(SEC_WCHAR));
 289         MultiByteToWideChar(CP_ACP, 0, pszPackage, -1, package, package_sizeW);
 290     }
 291
 292
 293     if(pAuthData != NULL)
 294     {
 295         identity = (PSEC_WINNT_AUTH_IDENTITY_A)pAuthData;
 296
 297         if(identity->Flags == SEC_WINNT_AUTH_IDENTITY_ANSI)
 298         {
 299             pAuthDataW = HeapAlloc(GetProcessHeap(), 0,
 300                     sizeof(SEC_WINNT_AUTH_IDENTITY_W));
 301
 302             if(identity->UserLength != 0)
 303             {
 304                 user_sizeW = MultiByteToWideChar(CP_ACP, 0,
 305                     (LPCSTR)identity->User, identity->UserLength, NULL, 0);
 306                 user = HeapAlloc(GetProcessHeap(), 0, user_sizeW *
 307                         sizeof(SEC_WCHAR));
 308                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->User,
 309                     identity->UserLength, user, user_sizeW);
 310             }
 311             else
 312             {
 313                 user_sizeW = 0;
 314             }
 315
 316             if(identity->DomainLength != 0)
 317             {
 318                 domain_sizeW = MultiByteToWideChar(CP_ACP, 0,
 319                     (LPCSTR)identity->Domain, identity->DomainLength, NULL, 0);
 320                 domain = HeapAlloc(GetProcessHeap(), 0, domain_sizeW
 321                     * sizeof(SEC_WCHAR));
 322                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Domain,
 323                     identity->DomainLength, domain, domain_sizeW);
 324             }
 325             else
 326             {
 327                 domain_sizeW = 0;
 328             }
 329
 330             if(identity->PasswordLength != 0)
 331             {
 332                 passwd_sizeW = MultiByteToWideChar(CP_ACP, 0,
 333                     (LPCSTR)identity->Password, identity->PasswordLength,
 334                     NULL, 0);
 335                 passwd = HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
 336                     * sizeof(SEC_WCHAR));
 337                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Password,
 338                     identity->PasswordLength, passwd, passwd_sizeW);
 339             }
 340             else
 341             {
 342                 passwd_sizeW = 0;
 343             }
 344
 345             pAuthDataW->Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
 346             pAuthDataW->User = user;
 347             pAuthDataW->UserLength = user_sizeW;
 348             pAuthDataW->Domain = domain;
 349             pAuthDataW->DomainLength = domain_sizeW;
 350             pAuthDataW->Password = passwd;
 351             pAuthDataW->PasswordLength = passwd_sizeW;
 352         }
 353         else
 354         {
 355             pAuthDataW = (PSEC_WINNT_AUTH_IDENTITY_W)identity;
 356         }
 357     }
 358
 359     ret = ntlm_AcquireCredentialsHandleW(NULL, package, fCredentialUse,
 360             pLogonID, pAuthDataW, pGetKeyFn, pGetKeyArgument, phCredential,
 361             ptsExpiry);
 362
 363     HeapFree(GetProcessHeap(), 0, package);
 364     HeapFree(GetProcessHeap(), 0, user);
 365     HeapFree(GetProcessHeap(), 0, domain);
 366     HeapFree(GetProcessHeap(), 0, passwd);
 367     if(pAuthDataW != (PSEC_WINNT_AUTH_IDENTITY_W)identity)
 368         HeapFree(GetProcessHeap(), 0, pAuthDataW);
 369
 370     return ret;
 371 }
 372
 373 /***********************************************************************
 374  *              InitializeSecurityContextW
 375  */
 376 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
 377  PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
 378  ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
 379  PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
 380  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 381 {
 382     SECURITY_STATUS ret;
 383     PNegoHelper helper;
 384     ULONG ctxt_attr = 0;
 385     char* buffer, *want_flags = NULL;
 386     PBYTE bin;
 387     int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
 388
 389     TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
 390      debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
 391      Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
 392
 393     if(!phCredential)
 394         return SEC_E_INVALID_HANDLE;
 395
 396     /* As the server side of sspi never calls this, make sure that
 397      * the handler is a client handler.
 398      */
 399     helper = (PNegoHelper)phCredential->dwLower;
 400     if(helper->mode != NTLM_CLIENT)
 401     {
 402         TRACE("Helper mode = %d\n", helper->mode);
 403         return SEC_E_INVALID_HANDLE;
 404     }
 405
 406     /****************************************
 407      * When communicating with the client, there can be the
 408      * following reply packets:
 409      * YR <base64 blob>         should be sent to the server
 410      * PW                       should be sent back to helper with
 411      *                          base64 encoded password
 412      * AF <base64 blob>         client is done, blob should be
 413      *                          sent to server with KK prefixed
 414      * GF <string list>         A string list of negotiated flags
 415      * GK <base64 blob>         base64 encoded session key
 416      * BH <char reason>         something broke
 417      */
 418     /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
 419
 420     if (pszTargetName)
 421     {
 422         TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
 423     }
 424
 425     if(TargetDataRep == SECURITY_NETWORK_DREP){
 426         TRACE("Setting SECURITY_NETWORK_DREP\n");
 427     }
 428
 429     buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
 430     bin = HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE) * NTLM_MAX_BUF);
 431
 432     if((phContext == NULL) && (pInput == NULL))
 433     {
 434         TRACE("First time in ISC()\n");
 435         /* Allocate space for a maximal string of
 436          * "SF NTLMSSP_FEATURE_SIGN NTLMSSP_FEATURE_SEAL
 437          * NTLMSSP_FEATURE_SESSION_KEY"
 438          */
 439         want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
 440         if(want_flags == NULL)
 441         {
 442             ret = SEC_E_INSUFFICIENT_MEMORY;
 443             goto isc_end;
 444         }
 445         lstrcpyA(want_flags, "SF");
 446         if(fContextReq & ISC_REQ_CONFIDENTIALITY)
 447         {
 448             char *ptr;
 449             if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SEAL")) == NULL)
 450                 lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
 451         }
 452         if(fContextReq & ISC_REQ_CONNECTION)
 453             ctxt_attr |= ISC_RET_CONNECTION;
 454         if(fContextReq & ISC_REQ_EXTENDED_ERROR)
 455             ctxt_attr |= ISC_RET_EXTENDED_ERROR;
 456         if(fContextReq & ISC_REQ_INTEGRITY)
 457         {
 458             char *ptr;
 459             if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
 460                 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
 461         }
 462         if(fContextReq & ISC_REQ_MUTUAL_AUTH)
 463             ctxt_attr |= ISC_RET_MUTUAL_AUTH;
 464         if(fContextReq & ISC_REQ_REPLAY_DETECT)
 465         {
 466             char *ptr;
 467             if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
 468                 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
 469         }
 470         if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
 471         {
 472             char *ptr;
 473             if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
 474                 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
 475         }
 476         if(fContextReq & ISC_REQ_STREAM)
 477             FIXME("ISC_REQ_STREAM\n");
 478         if(fContextReq & ISC_REQ_USE_DCE_STYLE)
 479             ctxt_attr |= ISC_RET_USED_DCE_STYLE;
 480         if(fContextReq & ISC_REQ_DELEGATE)
 481             ctxt_attr |= ISC_RET_DELEGATE;
 482
 483         /* If no password is given, try to use cached credentials. Fall back to an empty
 484          * password if this failed. */
 485         if(helper->password == NULL)
 486         {
 487             lstrcpynA(buffer, "OK", max_len-1);
 488             if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 489                 goto isc_end;
 490             /* If the helper replied with "PW", using cached credentials failed */
 491             if(!strncmp(buffer, "PW", 2))
 492             {
 493                 TRACE("Using cached credentials failed. Using empty password.\n");
 494                 lstrcpynA(buffer, "PW AA==", max_len-1);
 495             }
 496             else /* Just do a noop on the next run */
 497                 lstrcpynA(buffer, "OK", max_len-1);
 498         }
 499         else
 500         {
 501             lstrcpynA(buffer, "PW ", max_len-1);
 502             if((ret = encodeBase64((unsigned char*)helper->password,
 503                         helper->pwlen, buffer+3,
 504                         max_len-3, &buffer_len)) != SEC_E_OK)
 505             {
 506                 TRACE("Deleting password!\n");
 507                 memset(helper->password, 0, helper->pwlen);
 508                 HeapFree(GetProcessHeap(), 0, helper->password);
 509                 goto isc_end;
 510             }
 511
 512         }
 513
 514         TRACE("Sending to helper: %s\n", debugstr_a(buffer));
 515         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 516             goto isc_end;
 517
 518         TRACE("Helper returned %s\n", debugstr_a(buffer));
 519
 520         if(lstrlenA(want_flags) > 2)
 521         {
 522             TRACE("Want flags are %s\n", debugstr_a(want_flags));
 523             lstrcpynA(buffer, want_flags, max_len-1);
 524             if((ret = run_helper(helper, buffer, max_len, &buffer_len))
 525                     != SEC_E_OK)
 526                 goto isc_end;
 527             if(!strncmp(buffer, "BH", 2))
 528                 ERR("Helper doesn't understand new command set. Expect more things to fail.\n");
 529         }
 530
 531         lstrcpynA(buffer, "YR", max_len-1);
 532
 533         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 534             goto isc_end;
 535
 536         TRACE("%s\n", buffer);
 537
 538         if(strncmp(buffer, "YR ", 3) != 0)
 539         {
 540             /* Something borked */
 541             TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
 542             ret = SEC_E_INTERNAL_ERROR;
 543             goto isc_end;
 544         }
 545         if((ret = decodeBase64(buffer+3, buffer_len-3, bin,
 546                         max_len-1, &bin_len)) != SEC_E_OK)
 547             goto isc_end;
 548
 549         /* put the decoded client blob into the out buffer */
 550
 551         ret = SEC_I_CONTINUE_NEEDED;
 552     }
 553     else
 554     {
 555         /* handle second call here */
 556         /* encode server data to base64 */
 557         if (!pInput || !pInput->cBuffers)
 558         {
 559             ret = SEC_E_INCOMPLETE_MESSAGE;
 560             goto isc_end;
 561         }
 562
 563         if (!pInput->pBuffers[0].pvBuffer)
 564         {
 565             ret = SEC_E_INTERNAL_ERROR;
 566             goto isc_end;
 567         }
 568
 569         if(pInput->pBuffers[0].cbBuffer > max_len)
 570         {
 571             TRACE("pInput->pBuffers[0].cbBuffer is: %ld\n",
 572                     pInput->pBuffers[0].cbBuffer);
 573             ret = SEC_E_INVALID_TOKEN;
 574             goto isc_end;
 575         }
 576         else
 577             bin_len = pInput->pBuffers[0].cbBuffer;
 578
 579         memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 580
 581         lstrcpynA(buffer, "TT ", max_len-1);
 582
 583         if((ret = encodeBase64(bin, bin_len, buffer+3,
 584                         max_len-3, &buffer_len)) != SEC_E_OK)
 585             goto isc_end;
 586
 587         TRACE("Server sent: %s\n", debugstr_a(buffer));
 588
 589         /* send TT base64 blob to ntlm_auth */
 590         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 591             goto isc_end;
 592
 593         TRACE("Helper replied: %s\n", debugstr_a(buffer));
 594
 595         if( (strncmp(buffer, "KK ", 3) != 0) &&
 596                 (strncmp(buffer, "AF ", 3) !=0))
 597         {
 598             TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
 599             ret = SEC_E_INVALID_TOKEN;
 600             goto isc_end;
 601         }
 602
 603         /* decode the blob and send it to server */
 604         if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
 605                         &bin_len)) != SEC_E_OK)
 606         {
 607             goto isc_end;
 608         }
 609
 610         phNewContext->dwUpper = ctxt_attr;
 611         phNewContext->dwLower = (ULONG_PTR)helper;
 612
 613         ret = SEC_E_OK;
 614     }
 615
 616     /* put the decoded client blob into the out buffer */
 617
 618     if (fContextReq & ISC_REQ_ALLOCATE_MEMORY)
 619     {
 620         if (pOutput)
 621         {
 622             pOutput->cBuffers = 1;
 623             pOutput->pBuffers[0].pvBuffer = SECUR32_ALLOC(bin_len);
 624             pOutput->pBuffers[0].cbBuffer = bin_len;
 625         }
 626     }
 627
 628     if (!pOutput || !pOutput->cBuffers || pOutput->pBuffers[0].cbBuffer < bin_len)
 629     {
 630         TRACE("out buffer is NULL or has not enough space\n");
 631         ret = SEC_E_BUFFER_TOO_SMALL;
 632         goto isc_end;
 633     }
 634
 635     if (!pOutput->pBuffers[0].pvBuffer)
 636     {
 637         TRACE("out buffer is NULL\n");
 638         ret = SEC_E_INTERNAL_ERROR;
 639         goto isc_end;
 640     }
 641
 642     pOutput->pBuffers[0].cbBuffer = bin_len;
 643     pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
 644     memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
 645
 646     if(ret == SEC_E_OK)
 647     {
 648         TRACE("Getting negotiated flags\n");
 649         lstrcpynA(buffer, "GF", max_len - 1);
 650         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 651             goto isc_end;
 652
 653         if(buffer_len < 3)
 654         {
 655             TRACE("No flags negotiated.\n");
 656             helper->neg_flags = 0l;
 657         }
 658         else
 659         {
 660             TRACE("Negotiated %s\n", debugstr_a(buffer));
 661             sscanf(buffer + 3, "%lx", &(helper->neg_flags));
 662             TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
 663         }
 664
 665         TRACE("Getting session key\n");
 666         lstrcpynA(buffer, "GK", max_len - 1);
 667         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
 668             goto isc_end;
 669
 670         if(strncmp(buffer, "BH", 2) == 0)
 671         {
 672             TRACE("No key negotiated.\n");
 673             helper->valid_session_key = FALSE;
 674             helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
 675             /*Generate the dummy session key = MD4(MD4(password))*/
 676             if(helper->password)
 677             {
 678                 SEC_WCHAR *unicode_password;
 679                 int passwd_lenW;
 680
 681                 TRACE("Converting password to unicode.\n");
 682                 passwd_lenW = MultiByteToWideChar(CP_ACP, 0,
 683                         (LPCSTR)helper->password, helper->pwlen,
 684                         NULL, 0);
 685                 unicode_password = HeapAlloc(GetProcessHeap(), 0,
 686                         passwd_lenW * sizeof(SEC_WCHAR));
 687                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)helper->password,
 688                         helper->pwlen, unicode_password, passwd_lenW);
 689
 690                 SECUR32_CreateNTLMv1SessionKey((PBYTE)unicode_password,
 691                         passwd_lenW * sizeof(SEC_WCHAR), helper->session_key);
 692
 693                 HeapFree(GetProcessHeap(), 0, unicode_password);
 694             }
 695             else
 696                 memset(helper->session_key, 0, 16);
 697         }
 698         else if(strncmp(buffer, "GK ", 3) == 0)
 699         {
 700             if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
 701                             &bin_len)) != SEC_E_OK)
 702             {
 703                 TRACE("Failed to decode session key\n");
 704             }
 705             TRACE("Session key is %s\n", debugstr_a(buffer+3));
 706             helper->valid_session_key = TRUE;
 707             helper->session_key = HeapAlloc(GetProcessHeap(), 0, bin_len);
 708             if(!helper->session_key)
 709             {
 710                 TRACE("Failed to allocate memory for session key\n");
 711                 ret = SEC_E_INTERNAL_ERROR;
 712                 goto isc_end;
 713             }
 714             memcpy(helper->session_key, bin, bin_len);
 715         }
 716
 717         helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
 718         SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
 719         helper->crypt.ntlm.seq_num = 0l;
 720         SECUR32_CreateNTLMv2SubKeys(helper);
 721         helper->crypt.ntlm2.send_a4i = SECUR32_arc4Alloc();
 722         helper->crypt.ntlm2.recv_a4i = SECUR32_arc4Alloc();
 723         SECUR32_arc4Init(helper->crypt.ntlm2.send_a4i,
 724                 (BYTE *)helper->crypt.ntlm2.send_seal_key, 16);
 725         SECUR32_arc4Init(helper->crypt.ntlm2.recv_a4i,
 726                (BYTE *)helper->crypt.ntlm2.recv_seal_key, 16);
 727         helper->crypt.ntlm2.send_seq_no = 0l;
 728         helper->crypt.ntlm2.recv_seq_no = 0l;
 729     }
 730
 731     if(ret != SEC_I_CONTINUE_NEEDED)
 732     {
 733         TRACE("Deleting password!\n");
 734         if(helper->password)
 735             memset(helper->password, 0, helper->pwlen);
 736         HeapFree(GetProcessHeap(), 0, helper->password);
 737     }
 738 isc_end:
 739     HeapFree(GetProcessHeap(), 0, want_flags);
 740     HeapFree(GetProcessHeap(), 0, buffer);
 741     HeapFree(GetProcessHeap(), 0, bin);
 742     return ret;
 743 }
 744
 745 /***********************************************************************
 746  *              InitializeSecurityContextA
 747  */
 748 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
 749  PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
 750  ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
 751  PSecBufferDesc pInput,ULONG Reserved2, PCtxtHandle phNewContext,
 752  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 753 {
 754     SECURITY_STATUS ret;
 755
 756     TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
 757      debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
 758      Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
 759
 760     if (phCredential)
 761     {
 762         SEC_WCHAR *target = NULL;
 763         if(pszTargetName != NULL)
 764         {
 765             int target_size = MultiByteToWideChar(CP_ACP, 0, pszTargetName,
 766                 strlen(pszTargetName)+1, NULL, 0);
 767             target = HeapAlloc(GetProcessHeap(), 0, target_size *
 768                     sizeof(SEC_WCHAR));
 769             MultiByteToWideChar(CP_ACP, 0, pszTargetName, strlen(pszTargetName)+1,
 770                 target, target_size);
 771         }
 772
 773         ret = ntlm_InitializeSecurityContextW(phCredential, phContext, target,
 774                 fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
 775                 phNewContext, pOutput, pfContextAttr, ptsExpiry);
 776
 777         HeapFree(GetProcessHeap(), 0, target);
 778     }
 779     else
 780     {
 781         ret = SEC_E_INVALID_HANDLE;
 782     }
 783     return ret;
 784 }
 785
 786 /***********************************************************************
 787  *              AcceptSecurityContext
 788  */
 789 static SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(
 790  PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput,
 791  ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
 792  PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
 793 {
 794     SECURITY_STATUS ret;
 795     char *buffer, *want_flags = NULL;
 796     PBYTE bin;
 797     int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
 798     ULONG ctxt_attr = 0;
 799     PNegoHelper helper;
 800
 801     TRACE("%p %p %p %d %d %p %p %p %p\n", phCredential, phContext, pInput,
 802      fContextReq, TargetDataRep, phNewContext, pOutput, pfContextAttr,
 803      ptsExpiry);
 804
 805     if (!phCredential)
 806         return SEC_E_INVALID_HANDLE;
 807
 808     helper = (PNegoHelper)phCredential->dwLower;
 809
 810     buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
 811     bin    = HeapAlloc(GetProcessHeap(),0, sizeof(BYTE) * NTLM_MAX_BUF);
 812
 813     if(helper->mode != NTLM_SERVER)
 814     {
 815         ret = SEC_E_INVALID_HANDLE;
 816         goto asc_end;
 817     }
 818
 819     if(TargetDataRep == SECURITY_NETWORK_DREP){
 820         TRACE("Using SECURITY_NETWORK_DREP\n");
 821     }
 822
 823     if(phContext == NULL)
 824     {
 825         /* This is the first call to AcceptSecurityHandle */
 826         if(pInput == NULL)
 827         {
 828             ret = SEC_E_INCOMPLETE_MESSAGE;
 829             goto asc_end;
 830         }
 831
 832         if(pInput->cBuffers < 1)
 833         {
 834             ret = SEC_E_INCOMPLETE_MESSAGE;
 835             goto asc_end;
 836         }
 837
 838         if(pInput->pBuffers[0].cbBuffer > max_len)
 839         {
 840             ret = SEC_E_INVALID_TOKEN;
 841             goto asc_end;
 842         }
 843         else
 844             bin_len = pInput->pBuffers[0].cbBuffer;
 845
 846         /* Handle all the flags */
 847         want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
 848         if(want_flags == NULL)
 849         {
 850             TRACE("Failed to allocate memory for the want_flags!\n");
 851             ret = SEC_E_INSUFFICIENT_MEMORY;
 852             goto asc_end;
 853         }
 854         lstrcpyA(want_flags, "SF");
 855         if(fContextReq & ASC_REQ_ALLOCATE_MEMORY)
 856         {
 857             FIXME("ASC_REQ_ALLOCATE_MEMORY stub\n");
 858         }
 859         if(fContextReq & ASC_REQ_CONFIDENTIALITY)
 860         {
 861             lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
 862         }
 863         if(fContextReq & ASC_REQ_CONNECTION)
 864         {
 865             /* This is default, so we'll enable it */
 866             lstrcatA(want_flags, " NTLMSSP_FEATURE_SESSION_KEY");
 867             ctxt_attr |= ASC_RET_CONNECTION;
 868         }
 869         if(fContextReq & ASC_REQ_EXTENDED_ERROR)
 870         {
 871             FIXME("ASC_REQ_EXTENDED_ERROR stub\n");
 872         }
 873         if(fContextReq & ASC_REQ_INTEGRITY)
 874         {
 875             lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
 876         }
 877         if(fContextReq & ASC_REQ_MUTUAL_AUTH)
 878         {
 879             FIXME("ASC_REQ_MUTUAL_AUTH stub\n");
 880         }
 881         if(fContextReq & ASC_REQ_REPLAY_DETECT)
 882         {
 883             FIXME("ASC_REQ_REPLAY_DETECT stub\n");
 884         }
 885         if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
 886         {
 887             FIXME("ASC_REQ_SEQUENCE_DETECT stub\n");
 888         }
 889         if(fContextReq & ISC_REQ_STREAM)
 890         {
 891             FIXME("ASC_REQ_STREAM stub\n");
 892         }
 893         /* Done with the flags */
 894
 895         if(lstrlenA(want_flags) > 3)
 896         {
 897             TRACE("Server set want_flags: %s\n", debugstr_a(want_flags));
 898             lstrcpynA(buffer, want_flags, max_len - 1);
 899             if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
 900                     SEC_E_OK)
 901                 goto asc_end;
 902             if(!strncmp(buffer, "BH", 2))
 903                 TRACE("Helper doesn't understand new command set\n");
 904         }
 905
 906         /* This is the YR request from the client, encode to base64 */
 907
 908         memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 909
 910         lstrcpynA(buffer, "YR ", max_len-1);
 911
 912         if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
 913                     &buffer_len)) != SEC_E_OK)
 914         {
 915             goto asc_end;
 916         }
 917
 918         TRACE("Client sent: %s\n", debugstr_a(buffer));
 919
 920         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
 921                     SEC_E_OK)
 922         {
 923             goto asc_end;
 924         }
 925
 926         TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
 927         /* The expected answer is TT <base64 blob> */
 928
 929         if(strncmp(buffer, "TT ", 3) != 0)
 930         {
 931             ret = SEC_E_INTERNAL_ERROR;
 932             goto asc_end;
 933         }
 934
 935         if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
 936                         &bin_len)) != SEC_E_OK)
 937         {
 938             goto asc_end;
 939         }
 940
 941         /* send this to the client */
 942         if(pOutput == NULL)
 943         {
 944             ret = SEC_E_INSUFFICIENT_MEMORY;
 945             goto asc_end;
 946         }
 947
 948         if(pOutput->cBuffers < 1)
 949         {
 950             ret = SEC_E_INSUFFICIENT_MEMORY;
 951             goto asc_end;
 952         }
 953
 954         pOutput->pBuffers[0].cbBuffer = bin_len;
 955         pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
 956         memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
 957         ret = SEC_I_CONTINUE_NEEDED;
 958
 959     }
 960     else
 961     {
 962         /* we expect a KK request from client */
 963         if(pInput == NULL)
 964         {
 965             ret = SEC_E_INCOMPLETE_MESSAGE;
 966             goto asc_end;
 967         }
 968
 969         if(pInput->cBuffers < 1)
 970         {
 971             ret = SEC_E_INCOMPLETE_MESSAGE;
 972             goto asc_end;
 973         }
 974
 975         if(pInput->pBuffers[0].cbBuffer > max_len)
 976         {
 977             ret = SEC_E_INVALID_TOKEN;
 978             goto asc_end;
 979         }
 980         else
 981             bin_len = pInput->pBuffers[0].cbBuffer;
 982
 983         memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
 984
 985         lstrcpynA(buffer, "KK ", max_len-1);
 986
 987         if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
 988                     &buffer_len)) != SEC_E_OK)
 989         {
 990             goto asc_end;
 991         }
 992
 993         TRACE("Client sent: %s\n", debugstr_a(buffer));
 994
 995         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
 996                     SEC_E_OK)
 997         {
 998             goto asc_end;
 999         }
1000
1001         TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
1002
1003         if(strncmp(buffer, "AF ", 3) != 0)
1004         {
1005             if(strncmp(buffer, "NA ", 3) == 0)
1006             {
1007                 ret = SEC_E_LOGON_DENIED;
1008                 goto asc_end;
1009             }
1010             else
1011             {
1012                 ret = SEC_E_INTERNAL_ERROR;
1013                 goto asc_end;
1014             }
1015         }
1016         pOutput->pBuffers[0].cbBuffer = 0;
1017         ret = SEC_E_OK;
1018
1019         TRACE("Getting negotiated flags\n");
1020         lstrcpynA(buffer, "GF", max_len - 1);
1021         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1022             goto asc_end;
1023
1024         if(buffer_len < 3)
1025         {
1026             TRACE("No flags negotiated, or helper does not support GF command\n");
1027         }
1028         else
1029         {
1030             TRACE("Negotiated %s\n", debugstr_a(buffer));
1031             sscanf(buffer + 3, "%lx", &(helper->neg_flags));
1032             TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
1033         }
1034
1035         TRACE("Getting session key\n");
1036         lstrcpynA(buffer, "GK", max_len - 1);
1037         if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1038             goto asc_end;
1039
1040         if(buffer_len < 3)
1041             TRACE("Helper does not support GK command\n");
1042         else
1043         {
1044             if(strncmp(buffer, "BH ", 3) == 0)
1045             {
1046                 TRACE("Helper sent %s\n", debugstr_a(buffer+3));
1047                 helper->valid_session_key = FALSE;
1048                 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1049                 /*FIXME: Generate the dummy session key = MD4(MD4(password))*/
1050                 memset(helper->session_key, 0 , 16);
1051             }
1052             else if(strncmp(buffer, "GK ", 3) == 0)
1053             {
1054                 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
1055                                 &bin_len)) != SEC_E_OK)
1056                 {
1057                     TRACE("Failed to decode session key\n");
1058                 }
1059                 TRACE("Session key is %s\n", debugstr_a(buffer+3));
1060                 helper->valid_session_key = TRUE;
1061                 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1062                 if(!helper->session_key)
1063                 {
1064                     TRACE("Failed to allocate memory for session key\n");
1065                     ret = SEC_E_INTERNAL_ERROR;
1066                     goto asc_end;
1067                 }
1068                 memcpy(helper->session_key, bin, 16);
1069             }
1070         }
1071         helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
1072         SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
1073         helper->crypt.ntlm.seq_num = 0l;
1074     }
1075
1076     phNewContext->dwUpper = ctxt_attr;
1077     phNewContext->dwLower = (ULONG_PTR)helper;
1078
1079 asc_end:
1080     HeapFree(GetProcessHeap(), 0, want_flags);
1081     HeapFree(GetProcessHeap(), 0, buffer);
1082     HeapFree(GetProcessHeap(), 0, bin);
1083     return ret;
1084 }
1085
1086 /***********************************************************************
1087  *              CompleteAuthToken
1088  */
1089 static SECURITY_STATUS SEC_ENTRY ntlm_CompleteAuthToken(PCtxtHandle phContext,
1090  PSecBufferDesc pToken)
1091 {
1092     /* We never need to call CompleteAuthToken anyway */
1093     TRACE("%p %p\n", phContext, pToken);
1094     if (!phContext)
1095         return SEC_E_INVALID_HANDLE;
1096
1097     return SEC_E_OK;
1098 }
1099
1100 /***********************************************************************
1101  *              DeleteSecurityContext
1102  */
1103 static SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle phContext)
1104 {
1105     PNegoHelper helper;
1106
1107     TRACE("%p\n", phContext);
1108     if (!phContext)
1109         return SEC_E_INVALID_HANDLE;
1110
1111     helper = (PNegoHelper)phContext->dwLower;
1112
1113     phContext->dwUpper = 0;
1114     phContext->dwLower = 0;
1115
1116     SECUR32_arc4Cleanup(helper->crypt.ntlm.a4i);
1117     HeapFree(GetProcessHeap(), 0, helper->session_key);
1118     helper->valid_session_key = FALSE;
1119     SECUR32_arc4Cleanup(helper->crypt.ntlm2.send_a4i);
1120     SECUR32_arc4Cleanup(helper->crypt.ntlm2.recv_a4i);
1121     HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_sign_key);
1122     HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_seal_key);
1123     HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_sign_key);
1124     HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_seal_key);
1125
1126     return SEC_E_OK;
1127 }
1128
1129 /***********************************************************************
1130  *              QueryContextAttributesW
1131  */
1132 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle phContext,
1133  ULONG ulAttribute, void *pBuffer)
1134 {
1135     TRACE("%p %d %p\n", phContext, ulAttribute, pBuffer);
1136     if (!phContext)
1137         return SEC_E_INVALID_HANDLE;
1138
1139     switch(ulAttribute)
1140     {
1141 #define _x(x) case (x) : FIXME(#x" stub\n"); break
1142         _x(SECPKG_ATTR_ACCESS_TOKEN);
1143         _x(SECPKG_ATTR_AUTHORITY);
1144         _x(SECPKG_ATTR_DCE_INFO);
1145         case SECPKG_ATTR_FLAGS:
1146         {
1147             PSecPkgContext_Flags spcf = (PSecPkgContext_Flags)pBuffer;
1148             PNegoHelper helper = (PNegoHelper)phContext->dwLower;
1149
1150             spcf->Flags = 0;
1151             if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1152                 spcf->Flags |= ISC_RET_INTEGRITY;
1153             if(helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1154                 spcf->Flags |= ISC_RET_CONFIDENTIALITY;
1155             return SEC_E_OK;
1156         }
1157         _x(SECPKG_ATTR_KEY_INFO);
1158         _x(SECPKG_ATTR_LIFESPAN);
1159         _x(SECPKG_ATTR_NAMES);
1160         _x(SECPKG_ATTR_NATIVE_NAMES);
1161         _x(SECPKG_ATTR_NEGOTIATION_INFO);
1162         _x(SECPKG_ATTR_PACKAGE_INFO);
1163         _x(SECPKG_ATTR_PASSWORD_EXPIRY);
1164         _x(SECPKG_ATTR_SESSION_KEY);
1165         case SECPKG_ATTR_SIZES:
1166         {
1167             PSecPkgContext_Sizes spcs = (PSecPkgContext_Sizes)pBuffer;
1168             spcs->cbMaxToken = NTLM_MAX_BUF;
1169             spcs->cbMaxSignature = 16;
1170             spcs->cbBlockSize = 0;
1171             spcs->cbSecurityTrailer = 16;
1172             return SEC_E_OK;
1173         }
1174         _x(SECPKG_ATTR_STREAM_SIZES);
1175         _x(SECPKG_ATTR_TARGET_INFORMATION);
1176 #undef _x
1177         default:
1178             TRACE("Unknown value %d passed for ulAttribute\n", ulAttribute);
1179     }
1180
1181     return SEC_E_UNSUPPORTED_FUNCTION;
1182 }
1183
1184 /***********************************************************************
1185  *              QueryContextAttributesA
1186  */
1187 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle phContext,
1188  ULONG ulAttribute, void *pBuffer)
1189 {
1190     return ntlm_QueryContextAttributesW(phContext, ulAttribute, pBuffer);
1191 }
1192
1193 /***********************************************************************
1194  *              ImpersonateSecurityContext
1195  */
1196 static SECURITY_STATUS SEC_ENTRY ntlm_ImpersonateSecurityContext(PCtxtHandle phContext)
1197 {
1198     SECURITY_STATUS ret;
1199
1200     TRACE("%p\n", phContext);
1201     if (phContext)
1202     {
1203         ret = SEC_E_UNSUPPORTED_FUNCTION;
1204     }
1205     else
1206     {
1207         ret = SEC_E_INVALID_HANDLE;
1208     }
1209     return ret;
1210 }
1211
1212 /***********************************************************************
1213  *              RevertSecurityContext
1214  */
1215 static SECURITY_STATUS SEC_ENTRY ntlm_RevertSecurityContext(PCtxtHandle phContext)
1216 {
1217     SECURITY_STATUS ret;
1218
1219     TRACE("%p\n", phContext);
1220     if (phContext)
1221     {
1222         ret = SEC_E_UNSUPPORTED_FUNCTION;
1223     }
1224     else
1225     {
1226         ret = SEC_E_INVALID_HANDLE;
1227     }
1228     return ret;
1229 }
1230
1231 /*************************************************************************
1232  *             ntlm_GetTokenBufferIndex
1233  * Calculates the index of the secbuffer with BufferType == SECBUFFER_TOKEN
1234  * Returns index if found or -1 if not found.
1235  */
1236 static int ntlm_GetTokenBufferIndex(PSecBufferDesc pMessage)
1237 {
1238     UINT i;
1239
1240     TRACE("%p\n", pMessage);
1241
1242     for( i = 0; i < pMessage->cBuffers; ++i )
1243     {
1244         if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
1245             return i;
1246     }
1247
1248     return -1;
1249 }
1250
1251 /***********************************************************************
1252  *             ntlm_CreateSignature
1253  * As both MakeSignature and VerifySignature need this, but different keys
1254  * are needed for NTLMv2, the logic goes into a helper function.
1255  * To ensure maximal reusability, we can specify the direction as NTLM_SEND for
1256  * signing/encrypting and NTLM_RECV for verfying/decrypting. When encrypting,
1257  * the signature is encrypted after the message was encrypted, so
1258  * CreateSignature shouldn't do it. In this case, encrypt_sig can be set to
1259  * false.
1260  */
1261 static SECURITY_STATUS ntlm_CreateSignature(PNegoHelper helper, PSecBufferDesc pMessage,
1262         int token_idx, SignDirection direction, BOOL encrypt_sig)
1263 {
1264     ULONG sign_version = 1;
1265     UINT i;
1266     PBYTE sig;
1267     TRACE("%p, %p, %d, %d, %d\n", helper, pMessage, token_idx, direction,
1268             encrypt_sig);
1269
1270     sig = pMessage->pBuffers[token_idx].pvBuffer;
1271
1272     if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1273             helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1274     {
1275         BYTE digest[16];
1276         BYTE seq_no[4];
1277         HMAC_MD5_CTX hmac_md5_ctx;
1278
1279         TRACE("Signing NTLM2 style\n");
1280
1281         if(direction == NTLM_SEND)
1282         {
1283             seq_no[0] = (helper->crypt.ntlm2.send_seq_no >>  0) & 0xff;
1284             seq_no[1] = (helper->crypt.ntlm2.send_seq_no >>  8) & 0xff;
1285             seq_no[2] = (helper->crypt.ntlm2.send_seq_no >> 16) & 0xff;
1286             seq_no[3] = (helper->crypt.ntlm2.send_seq_no >> 24) & 0xff;
1287
1288             ++(helper->crypt.ntlm2.send_seq_no);
1289
1290             HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.send_sign_key, 16);
1291         }
1292         else
1293         {
1294             seq_no[0] = (helper->crypt.ntlm2.recv_seq_no >>  0) & 0xff;
1295             seq_no[1] = (helper->crypt.ntlm2.recv_seq_no >>  8) & 0xff;
1296             seq_no[2] = (helper->crypt.ntlm2.recv_seq_no >> 16) & 0xff;
1297             seq_no[3] = (helper->crypt.ntlm2.recv_seq_no >> 24) & 0xff;
1298
1299             ++(helper->crypt.ntlm2.recv_seq_no);
1300
1301             HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.recv_sign_key, 16);
1302         }
1303
1304         HMACMD5Update(&hmac_md5_ctx, seq_no, 4);
1305         for( i = 0; i < pMessage->cBuffers; ++i )
1306         {
1307             if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1308                 HMACMD5Update(&hmac_md5_ctx, (BYTE *)pMessage->pBuffers[i].pvBuffer,
1309                         pMessage->pBuffers[i].cbBuffer);
1310         }
1311
1312         HMACMD5Final(&hmac_md5_ctx, digest);
1313
1314         if(encrypt_sig && helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1315         {
1316             if(direction == NTLM_SEND)
1317                 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i, digest, 8);
1318             else
1319                 SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i, digest, 8);
1320         }
1321
1322         /* The NTLM2 signature is the sign version */
1323         sig[ 0] = (sign_version >>  0) & 0xff;
1324         sig[ 1] = (sign_version >>  8) & 0xff;
1325         sig[ 2] = (sign_version >> 16) & 0xff;
1326         sig[ 3] = (sign_version >> 24) & 0xff;
1327         /* The first 8 bytes of the digest */
1328         memcpy(sig+4, digest, 8);
1329         /* And the sequence number */
1330         memcpy(sig+12, seq_no, 4);
1331
1332         pMessage->pBuffers[token_idx].cbBuffer = 16;
1333
1334         return SEC_E_OK;
1335     }
1336     if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1337     {
1338         ULONG crc = 0U;
1339         TRACE("Signing NTLM1 style\n");
1340
1341         for(i=0; i < pMessage->cBuffers; ++i)
1342         {
1343             if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1344             {
1345                 crc = ComputeCrc32(pMessage->pBuffers[i].pvBuffer,
1346                     pMessage->pBuffers[i].cbBuffer, crc);
1347             }
1348         }
1349
1350         sig[ 0] = (sign_version >>  0) & 0xff;
1351         sig[ 1] = (sign_version >>  8) & 0xff;
1352         sig[ 2] = (sign_version >> 16) & 0xff;
1353         sig[ 3] = (sign_version >> 24) & 0xff;
1354         memset(sig+4, 0, 4);
1355         sig[ 8] = (crc >>  0) & 0xff;
1356         sig[ 9] = (crc >>  8) & 0xff;
1357         sig[10] = (crc >> 16) & 0xff;
1358         sig[11] = (crc >> 24) & 0xff;
1359         sig[12] = (helper->crypt.ntlm.seq_num >>  0) & 0xff;
1360         sig[13] = (helper->crypt.ntlm.seq_num >>  8) & 0xff;
1361         sig[14] = (helper->crypt.ntlm.seq_num >> 16) & 0xff;
1362         sig[15] = (helper->crypt.ntlm.seq_num >> 24) & 0xff;
1363
1364         ++(helper->crypt.ntlm.seq_num);
1365
1366         if(encrypt_sig)
1367             SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1368         return SEC_E_OK;
1369     }
1370
1371     if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1372     {
1373         TRACE("Creating a dummy signature.\n");
1374         /* A dummy signature is 0x01 followed by 15 bytes of 0x00 */
1375         memset(pMessage->pBuffers[token_idx].pvBuffer, 0, 16);
1376         memset(pMessage->pBuffers[token_idx].pvBuffer, 0x01, 1);
1377         pMessage->pBuffers[token_idx].cbBuffer = 16;
1378         return SEC_E_OK;
1379     }
1380
1381     return SEC_E_UNSUPPORTED_FUNCTION;
1382 }
1383
1384 /***********************************************************************
1385  *              MakeSignature
1386  */
1387 static SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
1388  PSecBufferDesc pMessage, ULONG MessageSeqNo)
1389 {
1390     PNegoHelper helper;
1391     int token_idx;
1392
1393     TRACE("%p %d %p %d\n", phContext, fQOP, pMessage, MessageSeqNo);
1394     if (!phContext)
1395         return SEC_E_INVALID_HANDLE;
1396
1397     if(fQOP)
1398         FIXME("Ignoring fQOP 0x%08x\n", fQOP);
1399
1400     if(MessageSeqNo)
1401         FIXME("Ignoring MessageSeqNo\n");
1402
1403     if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1404         return SEC_E_INVALID_TOKEN;
1405
1406     /* If we didn't find a SECBUFFER_TOKEN type buffer */
1407     if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1408         return SEC_E_INVALID_TOKEN;
1409
1410     if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1411         return SEC_E_BUFFER_TOO_SMALL;
1412
1413     helper = (PNegoHelper)phContext->dwLower;
1414     TRACE("Negotiated flags are: 0x%08lx\n", helper->neg_flags);
1415
1416     return ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, TRUE);
1417 }
1418
1419 /***********************************************************************
1420  *              VerifySignature
1421  */
1422 static SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle phContext,
1423  PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1424 {
1425     PNegoHelper helper;
1426     ULONG fQOP = 0;
1427     UINT i;
1428     int token_idx;
1429     SECURITY_STATUS ret;
1430     SecBufferDesc local_desc;
1431     PSecBuffer     local_buff;
1432     BYTE          local_sig[16];
1433
1434     TRACE("%p %p %d %p\n", phContext, pMessage, MessageSeqNo, pfQOP);
1435     if(!phContext)
1436         return SEC_E_INVALID_HANDLE;
1437
1438     if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1439         return SEC_E_INVALID_TOKEN;
1440
1441     if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1442         return SEC_E_INVALID_TOKEN;
1443
1444     if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1445         return SEC_E_BUFFER_TOO_SMALL;
1446
1447     if(MessageSeqNo)
1448         FIXME("Ignoring MessageSeqNo\n");
1449
1450     helper = (PNegoHelper)phContext->dwLower;
1451     TRACE("Negotiated flags: 0x%08lx\n", helper->neg_flags);
1452
1453     local_buff = HeapAlloc(GetProcessHeap(), 0, pMessage->cBuffers * sizeof(SecBuffer));
1454
1455     local_desc.ulVersion = SECBUFFER_VERSION;
1456     local_desc.cBuffers = pMessage->cBuffers;
1457     local_desc.pBuffers = local_buff;
1458
1459     for(i=0; i < pMessage->cBuffers; ++i)
1460     {
1461         if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
1462         {
1463             local_buff[i].BufferType = SECBUFFER_TOKEN;
1464             local_buff[i].cbBuffer = 16;
1465             local_buff[i].pvBuffer = local_sig;
1466         }
1467         else
1468         {
1469             local_buff[i].BufferType = pMessage->pBuffers[i].BufferType;
1470             local_buff[i].cbBuffer = pMessage->pBuffers[i].cbBuffer;
1471             local_buff[i].pvBuffer = pMessage->pBuffers[i].pvBuffer;
1472         }
1473     }
1474
1475     if((ret = ntlm_CreateSignature(helper, &local_desc, token_idx, NTLM_RECV, TRUE)) != SEC_E_OK)
1476         return ret;
1477
1478     if(memcmp(((PBYTE)local_buff[token_idx].pvBuffer) + 8,
1479                 ((PBYTE)pMessage->pBuffers[token_idx].pvBuffer) + 8, 8))
1480         ret = SEC_E_MESSAGE_ALTERED;
1481     else
1482         ret = SEC_E_OK;
1483
1484     HeapFree(GetProcessHeap(), 0, local_buff);
1485     pfQOP = &fQOP;
1486
1487     return ret;
1488
1489 }
1490
1491 /***********************************************************************
1492  *             FreeCredentialsHandle
1493  */
1494 static SECURITY_STATUS SEC_ENTRY ntlm_FreeCredentialsHandle(
1495         PCredHandle phCredential)
1496 {
1497     SECURITY_STATUS ret;
1498
1499     if(phCredential){
1500         PNegoHelper helper = (PNegoHelper) phCredential->dwLower;
1501         phCredential->dwUpper = 0;
1502         phCredential->dwLower = 0;
1503         cleanup_helper(helper);
1504         ret = SEC_E_OK;
1505     }
1506     else
1507         ret = SEC_E_OK;
1508
1509     return ret;
1510 }
1511
1512 /***********************************************************************
1513  *             EncryptMessage
1514  */
1515 static SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle phContext,
1516         ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
1517 {
1518     PNegoHelper helper;
1519     int token_idx;
1520
1521     TRACE("(%p %d %p %d)\n", phContext, fQOP, pMessage, MessageSeqNo);
1522
1523     if(!phContext)
1524         return SEC_E_INVALID_HANDLE;
1525
1526     if(fQOP)
1527         FIXME("Ignoring fQOP\n");
1528
1529     if(MessageSeqNo)
1530         FIXME("Ignoring MessageSeqNo\n");
1531
1532     if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1533         return SEC_E_INVALID_TOKEN;
1534
1535     if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1536         return SEC_E_INVALID_TOKEN;
1537
1538     if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1539         return SEC_E_BUFFER_TOO_SMALL;
1540
1541     helper = (PNegoHelper) phContext->dwLower;
1542
1543     if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1544             helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1545     {
1546         ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1547         SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1548                 (BYTE *)pMessage->pBuffers[1].pvBuffer,
1549                 pMessage->pBuffers[1].cbBuffer);
1550
1551         if(helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1552             SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1553                     ((BYTE *)pMessage->pBuffers[token_idx].pvBuffer)+4, 8);
1554
1555
1556         return SEC_E_OK;
1557     }
1558     else
1559     {
1560         PBYTE sig;
1561         ULONG save_flags;
1562
1563         /* EncryptMessage always produces real signatures, so make sure
1564          * NTLMSSP_NEGOTIATE_SIGN is set*/
1565         save_flags = helper->neg_flags;
1566         helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1567         ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1568         helper->neg_flags = save_flags;
1569
1570         sig = pMessage->pBuffers[token_idx].pvBuffer;
1571
1572         SECUR32_arc4Process(helper->crypt.ntlm.a4i, pMessage->pBuffers[1].pvBuffer,
1573                 pMessage->pBuffers[1].cbBuffer);
1574         SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1575
1576         if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1577             memset(sig+4, 0, 4);
1578
1579     }
1580
1581     return SEC_E_OK;
1582 }
1583
1584 /***********************************************************************
1585  *             DecryptMessage
1586  */
1587 static SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle phContext,
1588         PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1589 {
1590     SECURITY_STATUS ret;
1591     ULONG ntlmssp_flags_save;
1592     PNegoHelper helper;
1593     int token_idx;
1594     TRACE("(%p %p %d %p)\n", phContext, pMessage, MessageSeqNo, pfQOP);
1595
1596     if(!phContext)
1597         return SEC_E_INVALID_HANDLE;
1598
1599     if(MessageSeqNo)
1600         FIXME("Ignoring MessageSeqNo\n");
1601
1602     if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1603         return SEC_E_INVALID_TOKEN;
1604
1605     if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1606         return SEC_E_INVALID_TOKEN;
1607
1608     if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1609         return SEC_E_BUFFER_TOO_SMALL;
1610
1611     helper = (PNegoHelper) phContext->dwLower;
1612
1613     if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 && helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1614     {
1615         SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i,
1616                 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1617     }
1618     else
1619     {
1620         SECUR32_arc4Process(helper->crypt.ntlm.a4i,
1621                 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1622     }
1623
1624     /* Make sure we use a session key for the signature check, EncryptMessage
1625      * always does that, even in the dummy case */
1626     ntlmssp_flags_save = helper->neg_flags;
1627
1628     helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1629     ret = ntlm_VerifySignature(phContext, pMessage, MessageSeqNo, pfQOP);
1630
1631     helper->neg_flags = ntlmssp_flags_save;
1632
1633     return ret;
1634 }
1635
1636 static const SecurityFunctionTableA ntlmTableA = {
1637     1,
1638     NULL,   /* EnumerateSecurityPackagesA */
1639     ntlm_QueryCredentialsAttributesA,   /* QueryCredentialsAttributesA */
1640     ntlm_AcquireCredentialsHandleA,     /* AcquireCredentialsHandleA */
1641     ntlm_FreeCredentialsHandle,         /* FreeCredentialsHandle */
1642     NULL,   /* Reserved2 */
1643     ntlm_InitializeSecurityContextA,    /* InitializeSecurityContextA */
1644     ntlm_AcceptSecurityContext,         /* AcceptSecurityContext */
1645     ntlm_CompleteAuthToken,             /* CompleteAuthToken */
1646     ntlm_DeleteSecurityContext,         /* DeleteSecurityContext */
1647     NULL,  /* ApplyControlToken */
1648     ntlm_QueryContextAttributesA,       /* QueryContextAttributesA */
1649     ntlm_ImpersonateSecurityContext,    /* ImpersonateSecurityContext */
1650     ntlm_RevertSecurityContext,         /* RevertSecurityContext */
1651     ntlm_MakeSignature,                 /* MakeSignature */
1652     ntlm_VerifySignature,               /* VerifySignature */
1653     FreeContextBuffer,                  /* FreeContextBuffer */
1654     NULL,   /* QuerySecurityPackageInfoA */
1655     NULL,   /* Reserved3 */
1656     NULL,   /* Reserved4 */
1657     NULL,   /* ExportSecurityContext */
1658     NULL,   /* ImportSecurityContextA */
1659     NULL,   /* AddCredentialsA */
1660     NULL,   /* Reserved8 */
1661     NULL,   /* QuerySecurityContextToken */
1662     ntlm_EncryptMessage,                /* EncryptMessage */
1663     ntlm_DecryptMessage,                /* DecryptMessage */
1664     NULL,   /* SetContextAttributesA */
1665 };
1666
1667 static const SecurityFunctionTableW ntlmTableW = {
1668     1,
1669     NULL,   /* EnumerateSecurityPackagesW */
1670     ntlm_QueryCredentialsAttributesW,   /* QueryCredentialsAttributesW */
1671     ntlm_AcquireCredentialsHandleW,     /* AcquireCredentialsHandleW */
1672     ntlm_FreeCredentialsHandle,         /* FreeCredentialsHandle */
1673     NULL,   /* Reserved2 */
1674     ntlm_InitializeSecurityContextW,    /* InitializeSecurityContextW */
1675     ntlm_AcceptSecurityContext,         /* AcceptSecurityContext */
1676     ntlm_CompleteAuthToken,             /* CompleteAuthToken */
1677     ntlm_DeleteSecurityContext,         /* DeleteSecurityContext */
1678     NULL,  /* ApplyControlToken */
1679     ntlm_QueryContextAttributesW,       /* QueryContextAttributesW */
1680     ntlm_ImpersonateSecurityContext,    /* ImpersonateSecurityContext */
1681     ntlm_RevertSecurityContext,         /* RevertSecurityContext */
1682     ntlm_MakeSignature,                 /* MakeSignature */
1683     ntlm_VerifySignature,               /* VerifySignature */
1684     FreeContextBuffer,                  /* FreeContextBuffer */
1685     NULL,   /* QuerySecurityPackageInfoW */
1686     NULL,   /* Reserved3 */
1687     NULL,   /* Reserved4 */
1688     NULL,   /* ExportSecurityContext */
1689     NULL,   /* ImportSecurityContextW */
1690     NULL,   /* AddCredentialsW */
1691     NULL,   /* Reserved8 */
1692     NULL,   /* QuerySecurityContextToken */
1693     ntlm_EncryptMessage,                /* EncryptMessage */
1694     ntlm_DecryptMessage,                /* DecryptMessage */
1695     NULL,   /* SetContextAttributesW */
1696 };
1697
1698 #define NTLM_COMMENT \
1699    { 'N', 'T', 'L', 'M', ' ', \
1700      'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1701      'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1702
1703 static CHAR ntlm_comment_A[] = NTLM_COMMENT;
1704 static WCHAR ntlm_comment_W[] = NTLM_COMMENT;
1705
1706 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1707
1708 static char ntlm_name_A[] = NTLM_NAME;
1709 static WCHAR ntlm_name_W[] = NTLM_NAME;
1710
1711 /* According to Windows, NTLM has the following capabilities.  */
1712 #define CAPS ( \
1713         SECPKG_FLAG_INTEGRITY | \
1714         SECPKG_FLAG_PRIVACY | \
1715         SECPKG_FLAG_TOKEN_ONLY | \
1716         SECPKG_FLAG_CONNECTION | \
1717         SECPKG_FLAG_MULTI_REQUIRED | \
1718         SECPKG_FLAG_IMPERSONATION | \
1719         SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1720         SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1721
1722 static const SecPkgInfoW infoW = {
1723     CAPS,
1724     1,
1725     RPC_C_AUTHN_WINNT,
1726     NTLM_MAX_BUF,
1727     ntlm_name_W,
1728     ntlm_comment_W
1729 };
1730
1731 static const SecPkgInfoA infoA = {
1732     CAPS,
1733     1,
1734     RPC_C_AUTHN_WINNT,
1735     NTLM_MAX_BUF,
1736     ntlm_name_A,
1737     ntlm_comment_A
1738 };
1739
1740 void SECUR32_initNTLMSP(void)
1741 {
1742     SECURITY_STATUS ret;
1743     PNegoHelper helper;
1744     static CHAR version[] = "--version";
1745
1746     SEC_CHAR *args[] = {
1747         ntlm_auth,
1748         version,
1749         NULL };
1750
1751     if((ret = fork_helper(&helper, ntlm_auth, args)) != SEC_E_OK)
1752     {
1753         /* Cheat and allocate a helper anyway, so cleanup later will work. */
1754         helper = HeapAlloc(GetProcessHeap(),0, sizeof(PNegoHelper));
1755         helper->major = helper->minor = helper->micro = -1;
1756     }
1757     else
1758         check_version(helper);
1759
1760     if( (helper->major >  MIN_NTLM_AUTH_MAJOR_VERSION) ||
1761         (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION  &&
1762          helper->minor >  MIN_NTLM_AUTH_MINOR_VERSION) ||
1763         (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION  &&
1764          helper->minor == MIN_NTLM_AUTH_MINOR_VERSION  &&
1765          helper->micro >= MIN_NTLM_AUTH_MICRO_VERSION) )
1766     {
1767         SecureProvider *provider = SECUR32_addProvider(&ntlmTableA, &ntlmTableW, NULL);
1768         SECUR32_addPackages(provider, 1L, &infoA, &infoW);
1769     }
1770     else
1771     {
1772         ERR("%s was not found or is outdated. "
1773             "Make sure that ntlm_auth >= %d.%d.%d is in your path.\n",
1774             ntlm_auth,
1775             MIN_NTLM_AUTH_MAJOR_VERSION,
1776             MIN_NTLM_AUTH_MINOR_VERSION,
1777             MIN_NTLM_AUTH_MICRO_VERSION);
1778     }
1779     cleanup_helper(helper);
1780 }