dlls/secur32/secur32.c

   1 /* Copyright (C) 2004 Juan Lang
   2  *
   3  * This file implements loading of SSP DLLs.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19 #include <assert.h>
  20 #include <stdarg.h>
  21
  22 #include "ntstatus.h"
  23 #define WIN32_NO_STATUS
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnls.h"
  27 #include "winreg.h"
  28 #include "winternl.h"
  29 #include "shlwapi.h"
  30 #include "sspi.h"
  31 #include "secur32_priv.h"
  32 #include "secext.h"
  33 #include "ntsecapi.h"
  34 #include "thunks.h"
  35
  36 #include "wine/list.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(secur32);
  40
  41 /**
  42  *  Type definitions
  43  */
  44
  45 typedef struct _SecurePackageTable
  46 {
  47     DWORD numPackages;
  48     DWORD numAllocated;
  49     struct list table;
  50 } SecurePackageTable;
  51
  52 typedef struct _SecureProviderTable
  53 {
  54     DWORD numProviders;
  55     DWORD numAllocated;
  56     struct list table;
  57 } SecureProviderTable;
  58
  59 /**
  60  *  Prototypes
  61  */
  62
  63 /* Tries to load moduleName as a provider.  If successful, enumerates what
  64  * packages it can and adds them to the package and provider tables.  Resizes
  65  * tables as necessary.
  66  */
  67 static void _tryLoadProvider(PWSTR moduleName);
  68
  69 /* Initialization: read securityproviders value and attempt to open each dll
  70  * there.  For each DLL, call _tryLoadProvider to see if it's really an SSP.
  71  * Two undocumented functions, AddSecurityPackage(A/W) and
  72  * DeleteSecurityPackage(A/W), seem suspiciously like they'd register or
  73  * unregister a dll, but I'm not sure.
  74  */
  75 static void SECUR32_initializeProviders(void);
  76
  77 /* Frees all loaded packages and providers */
  78 static void SECUR32_freeProviders(void);
  79
  80 /**
  81  *  Globals
  82  */
  83
  84 static CRITICAL_SECTION cs;
  85 static SecurePackageTable *packageTable = NULL;
  86 static SecureProviderTable *providerTable = NULL;
  87
  88 static SecurityFunctionTableA securityFunctionTableA = {
  89     SECURITY_SUPPORT_PROVIDER_INTERFACE_VERSION_2,
  90     EnumerateSecurityPackagesA,
  91     QueryCredentialsAttributesA,
  92     AcquireCredentialsHandleA,
  93     FreeCredentialsHandle,
  94     NULL, /* Reserved2 */
  95     InitializeSecurityContextA,
  96     AcceptSecurityContext,
  97     CompleteAuthToken,
  98     DeleteSecurityContext,
  99     ApplyControlToken,
 100     QueryContextAttributesA,
 101     ImpersonateSecurityContext,
 102     RevertSecurityContext,
 103     MakeSignature,
 104     VerifySignature,
 105     FreeContextBuffer,
 106     QuerySecurityPackageInfoA,
 107     NULL, /* Reserved3 */
 108     NULL, /* Reserved4 */
 109     ExportSecurityContext,
 110     ImportSecurityContextA,
 111     AddCredentialsA,
 112     NULL, /* Reserved8 */
 113     QuerySecurityContextToken,
 114     EncryptMessage,
 115     DecryptMessage,
 116     SetContextAttributesA
 117 };
 118
 119 static SecurityFunctionTableW securityFunctionTableW = {
 120     SECURITY_SUPPORT_PROVIDER_INTERFACE_VERSION_2,
 121     EnumerateSecurityPackagesW,
 122     QueryCredentialsAttributesW,
 123     AcquireCredentialsHandleW,
 124     FreeCredentialsHandle,
 125     NULL, /* Reserved2 */
 126     InitializeSecurityContextW,
 127     AcceptSecurityContext,
 128     CompleteAuthToken,
 129     DeleteSecurityContext,
 130     ApplyControlToken,
 131     QueryContextAttributesW,
 132     ImpersonateSecurityContext,
 133     RevertSecurityContext,
 134     MakeSignature,
 135     VerifySignature,
 136     FreeContextBuffer,
 137     QuerySecurityPackageInfoW,
 138     NULL, /* Reserved3 */
 139     NULL, /* Reserved4 */
 140     ExportSecurityContext,
 141     ImportSecurityContextW,
 142     AddCredentialsW,
 143     NULL, /* Reserved8 */
 144     QuerySecurityContextToken,
 145     EncryptMessage,
 146     DecryptMessage,
 147     SetContextAttributesW
 148 };
 149
 150 /***********************************************************************
 151  *              InitSecurityInterfaceA (SECUR32.@)
 152  */
 153 PSecurityFunctionTableA WINAPI InitSecurityInterfaceA(void)
 154 {
 155     return &securityFunctionTableA;
 156 }
 157
 158 /***********************************************************************
 159  *              InitSecurityInterfaceW (SECUR32.@)
 160  */
 161 PSecurityFunctionTableW WINAPI InitSecurityInterfaceW(void)
 162 {
 163     return &securityFunctionTableW;
 164 }
 165
 166 PWSTR SECUR32_strdupW(PCWSTR str)
 167 {
 168     PWSTR ret;
 169
 170     if (str)
 171     {
 172         ret = (PWSTR)SECUR32_ALLOC((lstrlenW(str) + 1) * sizeof(WCHAR));
 173         if (ret)
 174             lstrcpyW(ret, str);
 175     }
 176     else
 177         ret = NULL;
 178     return ret;
 179 }
 180
 181 PWSTR SECUR32_AllocWideFromMultiByte(PCSTR str)
 182 {
 183     PWSTR ret;
 184
 185     if (str)
 186     {
 187         int charsNeeded = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 188
 189         if (charsNeeded)
 190         {
 191             ret = (PWSTR)SECUR32_ALLOC(charsNeeded * sizeof(WCHAR));
 192             if (ret)
 193                 MultiByteToWideChar(CP_ACP, 0, str, -1, ret, charsNeeded);
 194         }
 195         else
 196             ret = NULL;
 197     }
 198     else
 199         ret = NULL;
 200     return ret;
 201 }
 202
 203 PSTR SECUR32_AllocMultiByteFromWide(PCWSTR str)
 204 {
 205     PSTR ret;
 206
 207     if (str)
 208     {
 209         int charsNeeded = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0,
 210          NULL, NULL);
 211
 212         if (charsNeeded)
 213         {
 214             ret = (PSTR)SECUR32_ALLOC(charsNeeded);
 215             if (ret)
 216                 WideCharToMultiByte(CP_ACP, 0, str, -1, ret, charsNeeded,
 217                  NULL, NULL);
 218         }
 219         else
 220             ret = NULL;
 221     }
 222     else
 223         ret = NULL;
 224     return ret;
 225 }
 226
 227 static void _makeFnTableA(PSecurityFunctionTableA fnTableA,
 228  const SecurityFunctionTableA *inFnTableA,
 229  const SecurityFunctionTableW *inFnTableW)
 230 {
 231     if (fnTableA)
 232     {
 233         if (inFnTableA)
 234         {
 235             /* The size of the version 1 table is based on platform sdk's
 236              * sspi.h, though the sample ssp also provided with platform sdk
 237              * implies only functions through QuerySecurityPackageInfoA are
 238              * implemented (yikes)
 239              */
 240             size_t tableSize = inFnTableA->dwVersion == 1 ?
 241              (const BYTE *)&inFnTableA->SetContextAttributesA -
 242              (const BYTE *)inFnTableA : sizeof(SecurityFunctionTableA);
 243
 244             memcpy(fnTableA, inFnTableA, tableSize);
 245             /* override this, since we can do it internally anyway */
 246             fnTableA->QuerySecurityPackageInfoA =
 247              QuerySecurityPackageInfoA;
 248         }
 249         else if (inFnTableW)
 250         {
 251             /* functions with thunks */
 252             if (inFnTableW->AcquireCredentialsHandleW)
 253                 fnTableA->AcquireCredentialsHandleA =
 254                  thunk_AcquireCredentialsHandleA;
 255             if (inFnTableW->InitializeSecurityContextW)
 256                 fnTableA->InitializeSecurityContextA =
 257                  thunk_InitializeSecurityContextA;
 258             if (inFnTableW->ImportSecurityContextW)
 259                 fnTableA->ImportSecurityContextA =
 260                  thunk_ImportSecurityContextA;
 261             if (inFnTableW->AddCredentialsW)
 262                 fnTableA->AddCredentialsA =
 263                  thunk_AddCredentialsA;
 264             if (inFnTableW->QueryCredentialsAttributesW)
 265                 fnTableA->QueryCredentialsAttributesA =
 266                  thunk_QueryCredentialsAttributesA;
 267             if (inFnTableW->QueryContextAttributesW)
 268                 fnTableA->QueryContextAttributesA =
 269                  thunk_QueryContextAttributesA;
 270             if (inFnTableW->SetContextAttributesW)
 271                 fnTableA->SetContextAttributesA =
 272                  thunk_SetContextAttributesA;
 273             /* this can't be thunked, there's no extra param to know which
 274              * package to forward to */
 275             fnTableA->EnumerateSecurityPackagesA = NULL;
 276             /* functions with no thunks needed */
 277             fnTableA->AcceptSecurityContext = inFnTableW->AcceptSecurityContext;
 278             fnTableA->CompleteAuthToken = inFnTableW->CompleteAuthToken;
 279             fnTableA->DeleteSecurityContext = inFnTableW->DeleteSecurityContext;
 280             fnTableA->ImpersonateSecurityContext =
 281              inFnTableW->ImpersonateSecurityContext;
 282             fnTableA->RevertSecurityContext = inFnTableW->RevertSecurityContext;
 283             fnTableA->MakeSignature = inFnTableW->MakeSignature;
 284             fnTableA->VerifySignature = inFnTableW->VerifySignature;
 285             fnTableA->FreeContextBuffer = inFnTableW->FreeContextBuffer;
 286             fnTableA->QuerySecurityPackageInfoA =
 287              QuerySecurityPackageInfoA;
 288             fnTableA->ExportSecurityContext =
 289              inFnTableW->ExportSecurityContext;
 290             fnTableA->QuerySecurityContextToken =
 291              inFnTableW->QuerySecurityContextToken;
 292             fnTableA->EncryptMessage = inFnTableW->EncryptMessage;
 293             fnTableA->DecryptMessage = inFnTableW->DecryptMessage;
 294         }
 295     }
 296 }
 297
 298 static void _makeFnTableW(PSecurityFunctionTableW fnTableW,
 299  const SecurityFunctionTableA *inFnTableA,
 300  const SecurityFunctionTableW *inFnTableW)
 301 {
 302     if (fnTableW)
 303     {
 304         if (inFnTableW)
 305         {
 306             /* The size of the version 1 table is based on platform sdk's
 307              * sspi.h, though the sample ssp also provided with platform sdk
 308              * implies only functions through QuerySecurityPackageInfoA are
 309              * implemented (yikes)
 310              */
 311             size_t tableSize = inFnTableW->dwVersion == 1 ?
 312              (const BYTE *)&inFnTableW->SetContextAttributesW -
 313              (const BYTE *)inFnTableW : sizeof(SecurityFunctionTableW);
 314
 315             memcpy(fnTableW, inFnTableW, tableSize);
 316             /* override this, since we can do it internally anyway */
 317             fnTableW->QuerySecurityPackageInfoW =
 318              QuerySecurityPackageInfoW;
 319         }
 320         else if (inFnTableA)
 321         {
 322             /* functions with thunks */
 323             if (inFnTableA->AcquireCredentialsHandleA)
 324                 fnTableW->AcquireCredentialsHandleW =
 325                  thunk_AcquireCredentialsHandleW;
 326             if (inFnTableA->InitializeSecurityContextA)
 327                 fnTableW->InitializeSecurityContextW =
 328                  thunk_InitializeSecurityContextW;
 329             if (inFnTableA->ImportSecurityContextA)
 330                 fnTableW->ImportSecurityContextW =
 331                  thunk_ImportSecurityContextW;
 332             if (inFnTableA->AddCredentialsA)
 333                 fnTableW->AddCredentialsW =
 334                  thunk_AddCredentialsW;
 335             if (inFnTableA->QueryCredentialsAttributesA)
 336                 fnTableW->QueryCredentialsAttributesW =
 337                  thunk_QueryCredentialsAttributesW;
 338             if (inFnTableA->QueryContextAttributesA)
 339                 fnTableW->QueryContextAttributesW =
 340                  thunk_QueryContextAttributesW;
 341             if (inFnTableA->SetContextAttributesA)
 342                 fnTableW->SetContextAttributesW =
 343                  thunk_SetContextAttributesW;
 344             /* this can't be thunked, there's no extra param to know which
 345              * package to forward to */
 346             fnTableW->EnumerateSecurityPackagesW = NULL;
 347             /* functions with no thunks needed */
 348             fnTableW->AcceptSecurityContext = inFnTableA->AcceptSecurityContext;
 349             fnTableW->CompleteAuthToken = inFnTableA->CompleteAuthToken;
 350             fnTableW->DeleteSecurityContext = inFnTableA->DeleteSecurityContext;
 351             fnTableW->ImpersonateSecurityContext =
 352              inFnTableA->ImpersonateSecurityContext;
 353             fnTableW->RevertSecurityContext = inFnTableA->RevertSecurityContext;
 354             fnTableW->MakeSignature = inFnTableA->MakeSignature;
 355             fnTableW->VerifySignature = inFnTableA->VerifySignature;
 356             fnTableW->FreeContextBuffer = inFnTableA->FreeContextBuffer;
 357             fnTableW->QuerySecurityPackageInfoW =
 358              QuerySecurityPackageInfoW;
 359             fnTableW->ExportSecurityContext =
 360              inFnTableA->ExportSecurityContext;
 361             fnTableW->QuerySecurityContextToken =
 362              inFnTableA->QuerySecurityContextToken;
 363             fnTableW->EncryptMessage = inFnTableA->EncryptMessage;
 364             fnTableW->DecryptMessage = inFnTableA->DecryptMessage;
 365         }
 366     }
 367 }
 368
 369 static void _copyPackageInfo(PSecPkgInfoW info, const SecPkgInfoA *inInfoA,
 370  const SecPkgInfoW *inInfoW)
 371 {
 372     if (info && (inInfoA || inInfoW))
 373     {
 374         /* odd, I know, but up until Name and Comment the structures are
 375          * identical
 376          */
 377         memcpy(info, inInfoW ? inInfoW : (const SecPkgInfoW *)inInfoA, sizeof(*info));
 378         if (inInfoW)
 379         {
 380             info->Name = SECUR32_strdupW(inInfoW->Name);
 381             info->Comment = SECUR32_strdupW(inInfoW->Comment);
 382         }
 383         else
 384         {
 385             info->Name = SECUR32_AllocWideFromMultiByte(inInfoA->Name);
 386             info->Comment = SECUR32_AllocWideFromMultiByte(inInfoA->Comment);
 387         }
 388     }
 389 }
 390
 391 SecureProvider *SECUR32_addProvider(const SecurityFunctionTableA *fnTableA,
 392  const SecurityFunctionTableW *fnTableW, const PWSTR moduleName)
 393 {
 394     SecureProvider *ret;
 395
 396     EnterCriticalSection(&cs);
 397
 398     if (!providerTable)
 399     {
 400         providerTable = HeapAlloc(GetProcessHeap(), 0, sizeof(SecureProviderTable));
 401         if (!providerTable)
 402         {
 403             LeaveCriticalSection(&cs);
 404             return NULL;
 405         }
 406
 407         list_init(&providerTable->table);
 408     }
 409
 410     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(SecureProvider));
 411     if (!ret)
 412     {
 413         LeaveCriticalSection(&cs);
 414         return NULL;
 415     }
 416
 417     list_add_tail(&providerTable->table, &ret->entry);
 418     ret->lib = NULL;
 419
 420     if (fnTableA || fnTableW)
 421     {
 422         ret->moduleName = NULL;
 423         _makeFnTableA(&ret->fnTableA, fnTableA, fnTableW);
 424         _makeFnTableW(&ret->fnTableW, fnTableA, fnTableW);
 425         ret->loaded = TRUE;
 426     }
 427     else
 428     {
 429         ret->moduleName = SECUR32_strdupW(moduleName);
 430         ret->loaded = FALSE;
 431     }
 432
 433     LeaveCriticalSection(&cs);
 434     return ret;
 435 }
 436
 437 void SECUR32_addPackages(SecureProvider *provider, ULONG toAdd,
 438  const SecPkgInfoA *infoA, const SecPkgInfoW *infoW)
 439 {
 440     ULONG i;
 441
 442     assert(provider);
 443     assert(infoA || infoW);
 444
 445     EnterCriticalSection(&cs);
 446
 447     if (!packageTable)
 448     {
 449         packageTable = HeapAlloc(GetProcessHeap(), 0, sizeof(SecurePackageTable));
 450         if (!packageTable)
 451         {
 452             LeaveCriticalSection(&cs);
 453             return;
 454         }
 455
 456         packageTable->numPackages = 0;
 457         list_init(&packageTable->table);
 458     }
 459
 460     for (i = 0; i < toAdd; i++)
 461     {
 462         SecurePackage *package = HeapAlloc(GetProcessHeap(), 0, sizeof(SecurePackage));
 463         if (!package)
 464             continue;
 465
 466         list_add_tail(&packageTable->table, &package->entry);
 467
 468         package->provider = provider;
 469         _copyPackageInfo(&package->infoW,
 470             infoA ? &infoA[i] : NULL,
 471             infoW ? &infoW[i] : NULL);
 472     }
 473     packageTable->numPackages += toAdd;
 474
 475     LeaveCriticalSection(&cs);
 476 }
 477
 478 static void _tryLoadProvider(PWSTR moduleName)
 479 {
 480     HMODULE lib = LoadLibraryW(moduleName);
 481
 482     if (lib)
 483     {
 484         INIT_SECURITY_INTERFACE_W pInitSecurityInterfaceW =
 485          (INIT_SECURITY_INTERFACE_W)GetProcAddress(lib,
 486          SECURITY_ENTRYPOINT_ANSIW);
 487         INIT_SECURITY_INTERFACE_A pInitSecurityInterfaceA =
 488          (INIT_SECURITY_INTERFACE_A)GetProcAddress(lib,
 489          SECURITY_ENTRYPOINT_ANSIA);
 490
 491         TRACE("loaded %s, InitSecurityInterfaceA is %p, InitSecurityInterfaceW is %p\n",
 492          debugstr_w(moduleName), pInitSecurityInterfaceA,
 493          pInitSecurityInterfaceW);
 494         if (pInitSecurityInterfaceW || pInitSecurityInterfaceA)
 495         {
 496             PSecurityFunctionTableA fnTableA = NULL;
 497             PSecurityFunctionTableW fnTableW = NULL;
 498             ULONG toAdd = 0;
 499             PSecPkgInfoA infoA = NULL;
 500             PSecPkgInfoW infoW = NULL;
 501             SECURITY_STATUS ret = SEC_E_OK;
 502
 503             if (pInitSecurityInterfaceA)
 504                 fnTableA = pInitSecurityInterfaceA();
 505             if (pInitSecurityInterfaceW)
 506                 fnTableW = pInitSecurityInterfaceW();
 507             if (fnTableW && fnTableW->EnumerateSecurityPackagesW)
 508                 ret = fnTableW->EnumerateSecurityPackagesW(&toAdd, &infoW);
 509             else if (fnTableA && fnTableA->EnumerateSecurityPackagesA)
 510                 ret = fnTableA->EnumerateSecurityPackagesA(&toAdd, &infoA);
 511             if (ret == SEC_E_OK && toAdd > 0 && (infoW || infoA))
 512             {
 513                 SecureProvider *provider = SECUR32_addProvider(NULL, NULL,
 514                  moduleName);
 515
 516                 if (provider)
 517                     SECUR32_addPackages(provider, toAdd, infoA, infoW);
 518                 if (infoW)
 519                     fnTableW->FreeContextBuffer(infoW);
 520                 else
 521                     fnTableA->FreeContextBuffer(infoA);
 522             }
 523         }
 524         FreeLibrary(lib);
 525     }
 526     else
 527         WARN("failed to load %s\n", debugstr_w(moduleName));
 528 }
 529
 530 static const WCHAR securityProvidersKeyW[] = {
 531  'S','Y','S','T','E','M','\\','C','u','r','r','e','n','t','C','o','n','t','r',
 532  'o','l','S','e','t','\\','C','o','n','t','r','o','l','\\','S','e','c','u','r',
 533  'i','t','y','P','r','o','v','i','d','e','r','s','\0'
 534  };
 535 static const WCHAR securityProvidersW[] = {
 536  'S','e','c','u','r','i','t','y','P','r','o','v','i','d','e','r','s',0
 537  };
 538
 539 static void SECUR32_initializeProviders(void)
 540 {
 541     HKEY key;
 542     long apiRet;
 543
 544     TRACE("\n");
 545     InitializeCriticalSection(&cs);
 546     /* First load built-in providers */
 547     SECUR32_initSchannelSP();
 548     /* Do not load Negotiate yet. This breaks for some user on the wine-users
 549      * mailing list as of 2006-09-12. Without Negotiate, applications should
 550      * fall back to NTLM and that should work.*/
 551 #if 0
 552     SECUR32_initNegotiateSP();
 553 #endif
 554     SECUR32_initNTLMSP();
 555     /* Now load providers from registry */
 556     apiRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, securityProvidersKeyW, 0,
 557      KEY_READ, &key);
 558     if (apiRet == ERROR_SUCCESS)
 559     {
 560         WCHAR securityPkgNames[MAX_PATH]; /* arbitrary len */
 561         DWORD size = sizeof(securityPkgNames) / sizeof(WCHAR), type;
 562
 563         apiRet = RegQueryValueExW(key, securityProvidersW, NULL, &type,
 564          (PBYTE)securityPkgNames, &size);
 565         if (apiRet == ERROR_SUCCESS && type == REG_SZ)
 566         {
 567             WCHAR *ptr;
 568
 569             for (ptr = securityPkgNames;
 570              ptr < (PWSTR)((PBYTE)securityPkgNames + size); )
 571             {
 572                 WCHAR *comma;
 573
 574                 for (comma = ptr; *comma && *comma != ','; comma++)
 575                     ;
 576                 if (*comma == ',')
 577                     *comma = '\0';
 578                 for (; *ptr && isspace(*ptr) && ptr < securityPkgNames + size;
 579                  ptr++)
 580                     ;
 581                 if (*ptr)
 582                     _tryLoadProvider(ptr);
 583                 ptr += lstrlenW(ptr) + 1;
 584             }
 585         }
 586         RegCloseKey(key);
 587     }
 588 }
 589
 590 SecurePackage *SECUR32_findPackageW(PWSTR packageName)
 591 {
 592     SecurePackage *ret = NULL;
 593     BOOL matched = FALSE;
 594
 595     if (packageTable && packageName)
 596     {
 597         LIST_FOR_EACH_ENTRY(ret, &packageTable->table, SecurePackage, entry)
 598         {
 599             matched = !lstrcmpiW(ret->infoW.Name, packageName);
 600             if (matched)
 601                 break;
 602         }
 603
 604         if (!matched)
 605                 return NULL;
 606
 607         if (ret->provider && !ret->provider->loaded)
 608         {
 609             ret->provider->lib = LoadLibraryW(ret->provider->moduleName);
 610             if (ret->provider->lib)
 611             {
 612                 INIT_SECURITY_INTERFACE_W pInitSecurityInterfaceW =
 613                  (INIT_SECURITY_INTERFACE_W)GetProcAddress(ret->provider->lib,
 614                  SECURITY_ENTRYPOINT_ANSIW);
 615                 INIT_SECURITY_INTERFACE_A pInitSecurityInterfaceA =
 616                  (INIT_SECURITY_INTERFACE_A)GetProcAddress(ret->provider->lib,
 617                  SECURITY_ENTRYPOINT_ANSIA);
 618                 PSecurityFunctionTableA fnTableA = NULL;
 619                 PSecurityFunctionTableW fnTableW = NULL;
 620
 621                 if (pInitSecurityInterfaceA)
 622                     fnTableA = pInitSecurityInterfaceA();
 623                 if (pInitSecurityInterfaceW)
 624                     fnTableW = pInitSecurityInterfaceW();
 625                 _makeFnTableA(&ret->provider->fnTableA, fnTableA, fnTableW);
 626                 _makeFnTableW(&ret->provider->fnTableW, fnTableA, fnTableW);
 627                 ret->provider->loaded = TRUE;
 628             }
 629             else
 630                 ret = NULL;
 631         }
 632     }
 633     return ret;
 634 }
 635
 636 SecurePackage *SECUR32_findPackageA(PSTR packageName)
 637 {
 638     SecurePackage *ret;
 639
 640     if (packageTable && packageName)
 641     {
 642         UNICODE_STRING package;
 643
 644         RtlCreateUnicodeStringFromAsciiz(&package, packageName);
 645         ret = SECUR32_findPackageW(package.Buffer);
 646         RtlFreeUnicodeString(&package);
 647     }
 648     else
 649         ret = NULL;
 650     return ret;
 651 }
 652
 653 static void SECUR32_freeProviders(void)
 654 {
 655     SecurePackage *package;
 656     SecureProvider *provider;
 657
 658     TRACE("\n");
 659     EnterCriticalSection(&cs);
 660
 661     if (packageTable)
 662     {
 663         LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 664         {
 665             SECUR32_FREE(package->infoW.Name);
 666             SECUR32_FREE(package->infoW.Comment);
 667         }
 668
 669         HeapFree(GetProcessHeap(), 0, packageTable);
 670         packageTable = NULL;
 671     }
 672
 673     if (providerTable)
 674     {
 675         LIST_FOR_EACH_ENTRY(provider, &providerTable->table, SecureProvider, entry)
 676         {
 677             SECUR32_FREE(provider->moduleName);
 678             if (provider->lib)
 679                 FreeLibrary(provider->lib);
 680         }
 681
 682         HeapFree(GetProcessHeap(), 0, providerTable);
 683         providerTable = NULL;
 684     }
 685
 686     LeaveCriticalSection(&cs);
 687     DeleteCriticalSection(&cs);
 688 }
 689
 690 /***********************************************************************
 691  *              FreeContextBuffer (SECUR32.@)
 692  *
 693  * Doh--if pv was allocated by a crypto package, this may not be correct.
 694  * The sample ssp seems to use LocalAlloc/LocalFee, but there doesn't seem to
 695  * be any guarantee, nor is there an alloc function in secur32.
 696  */
 697 SECURITY_STATUS WINAPI FreeContextBuffer(PVOID pv)
 698 {
 699     SECUR32_FREE(pv);
 700
 701     return SEC_E_OK;
 702 }
 703
 704 /***********************************************************************
 705  *              EnumerateSecurityPackagesW (SECUR32.@)
 706  */
 707 SECURITY_STATUS WINAPI EnumerateSecurityPackagesW(PULONG pcPackages,
 708  PSecPkgInfoW *ppPackageInfo)
 709 {
 710     SECURITY_STATUS ret = SEC_E_OK;
 711
 712     TRACE("(%p, %p)\n", pcPackages, ppPackageInfo);
 713
 714     /* windows just crashes if pcPackages or ppPackageInfo is NULL, so will I */
 715     *pcPackages = 0;
 716     EnterCriticalSection(&cs);
 717     if (packageTable)
 718     {
 719         SecurePackage *package;
 720         size_t bytesNeeded;
 721
 722         bytesNeeded = packageTable->numPackages * sizeof(SecPkgInfoW);
 723         LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 724         {
 725             if (package->infoW.Name)
 726                 bytesNeeded += (lstrlenW(package->infoW.Name) + 1) * sizeof(WCHAR);
 727             if (package->infoW.Comment)
 728                 bytesNeeded += (lstrlenW(package->infoW.Comment) + 1) * sizeof(WCHAR);
 729         }
 730         if (bytesNeeded)
 731         {
 732             *ppPackageInfo = (PSecPkgInfoW)SECUR32_ALLOC(bytesNeeded);
 733             if (*ppPackageInfo)
 734             {
 735                 ULONG i = 0;
 736                 PWSTR nextString;
 737
 738                 *pcPackages = packageTable->numPackages;
 739                 nextString = (PWSTR)((PBYTE)*ppPackageInfo +
 740                  packageTable->numPackages * sizeof(SecPkgInfoW));
 741                 LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 742                 {
 743                     PSecPkgInfoW pkgInfo = *ppPackageInfo + i++;
 744
 745                     memcpy(pkgInfo, &package->infoW, sizeof(SecPkgInfoW));
 746                     if (package->infoW.Name)
 747                     {
 748                         TRACE("Name[%d] = %s\n", i - 1, debugstr_w(package->infoW.Name));
 749                         pkgInfo->Name = nextString;
 750                         lstrcpyW(nextString, package->infoW.Name);
 751                         nextString += lstrlenW(nextString) + 1;
 752                     }
 753                     else
 754                         pkgInfo->Name = NULL;
 755                     if (package->infoW.Comment)
 756                     {
 757                         TRACE("Comment[%d] = %s\n", i - 1, debugstr_w(package->infoW.Comment));
 758                         pkgInfo->Comment = nextString;
 759                         lstrcpyW(nextString, package->infoW.Comment);
 760                         nextString += lstrlenW(nextString) + 1;
 761                     }
 762                     else
 763                         pkgInfo->Comment = NULL;
 764                 }
 765             }
 766             else
 767                 ret = SEC_E_INSUFFICIENT_MEMORY;
 768         }
 769     }
 770     LeaveCriticalSection(&cs);
 771     TRACE("<-- 0x%08x\n", ret);
 772     return ret;
 773 }
 774
 775 /* Converts info (which is assumed to be an array of cPackages SecPkgInfoW
 776  * structures) into an array of SecPkgInfoA structures, which it returns.
 777  */
 778 static PSecPkgInfoA thunk_PSecPkgInfoWToA(ULONG cPackages,
 779  const PSecPkgInfoW info)
 780 {
 781     PSecPkgInfoA ret;
 782
 783     if (info)
 784     {
 785         size_t bytesNeeded = cPackages * sizeof(SecPkgInfoA);
 786         ULONG i;
 787
 788         for (i = 0; i < cPackages; i++)
 789         {
 790             if (info[i].Name)
 791                 bytesNeeded += WideCharToMultiByte(CP_ACP, 0, info[i].Name,
 792                  -1, NULL, 0, NULL, NULL);
 793             if (info[i].Comment)
 794                 bytesNeeded += WideCharToMultiByte(CP_ACP, 0, info[i].Comment,
 795                  -1, NULL, 0, NULL, NULL);
 796         }
 797         ret = (PSecPkgInfoA)SECUR32_ALLOC(bytesNeeded);
 798         if (ret)
 799         {
 800             PSTR nextString;
 801
 802             nextString = (PSTR)((PBYTE)ret + cPackages * sizeof(SecPkgInfoA));
 803             for (i = 0; i < cPackages; i++)
 804             {
 805                 PSecPkgInfoA pkgInfo = ret + i;
 806                 int bytes;
 807
 808                 memcpy(pkgInfo, &info[i], sizeof(SecPkgInfoA));
 809                 if (info[i].Name)
 810                 {
 811                     pkgInfo->Name = nextString;
 812                     /* just repeat back to WideCharToMultiByte how many bytes
 813                      * it requires, since we asked it earlier
 814                      */
 815                     bytes = WideCharToMultiByte(CP_ACP, 0, info[i].Name, -1,
 816                      NULL, 0, NULL, NULL);
 817                     WideCharToMultiByte(CP_ACP, 0, info[i].Name, -1,
 818                      pkgInfo->Name, bytes, NULL, NULL);
 819                     nextString += lstrlenA(nextString) + 1;
 820                 }
 821                 else
 822                     pkgInfo->Name = NULL;
 823                 if (info[i].Comment)
 824                 {
 825                     pkgInfo->Comment = nextString;
 826                     /* just repeat back to WideCharToMultiByte how many bytes
 827                      * it requires, since we asked it earlier
 828                      */
 829                     bytes = WideCharToMultiByte(CP_ACP, 0, info[i].Comment, -1,
 830                      NULL, 0, NULL, NULL);
 831                     WideCharToMultiByte(CP_ACP, 0, info[i].Comment, -1,
 832                      pkgInfo->Comment, bytes, NULL, NULL);
 833                     nextString += lstrlenA(nextString) + 1;
 834                 }
 835                 else
 836                     pkgInfo->Comment = NULL;
 837             }
 838         }
 839     }
 840     else
 841         ret = NULL;
 842     return ret;
 843 }
 844
 845 /***********************************************************************
 846  *              EnumerateSecurityPackagesA (SECUR32.@)
 847  */
 848 SECURITY_STATUS WINAPI EnumerateSecurityPackagesA(PULONG pcPackages,
 849  PSecPkgInfoA *ppPackageInfo)
 850 {
 851     SECURITY_STATUS ret;
 852     PSecPkgInfoW info;
 853
 854     ret = EnumerateSecurityPackagesW(pcPackages, &info);
 855     if (ret == SEC_E_OK && *pcPackages && info)
 856     {
 857         *ppPackageInfo = thunk_PSecPkgInfoWToA(*pcPackages, info);
 858         if (*pcPackages && !*ppPackageInfo)
 859         {
 860             *pcPackages = 0;
 861             ret = SEC_E_INSUFFICIENT_MEMORY;
 862         }
 863         FreeContextBuffer(info);
 864     }
 865     return ret;
 866 }
 867
 868 /***********************************************************************
 869  *              GetComputerObjectNameA (SECUR32.@)
 870  *
 871  * Get the local computer's name using the format specified.
 872  *
 873  * PARAMS
 874  *  NameFormat   [I] The format for the name.
 875  *  lpNameBuffer [O] Pointer to buffer to receive the name.
 876  *  nSize        [I/O] Size in characters of buffer.
 877  *
 878  * RETURNS
 879  *  TRUE  If the name was written to lpNameBuffer.
 880  *  FALSE If the name couldn't be written.
 881  *
 882  * NOTES
 883  *  If lpNameBuffer is NULL, then the size of the buffer needed to hold the
 884  *  name will be returned in *nSize.
 885  *
 886  *  nSize returns the number of characters written when lpNameBuffer is not
 887  *  NULL or the size of the buffer needed to hold the name when the buffer
 888  *  is too short or lpNameBuffer is NULL.
 889  *
 890  *  It the buffer is too short, ERROR_INSUFFICIENT_BUFFER error will be set.
 891  */
 892 BOOLEAN WINAPI GetComputerObjectNameA(
 893   EXTENDED_NAME_FORMAT NameFormat, LPSTR lpNameBuffer, PULONG nSize)
 894 {
 895     BOOLEAN rc;
 896     LPWSTR bufferW = NULL;
 897     ULONG sizeW = *nSize;
 898     TRACE("(%d %p %p)\n", NameFormat, lpNameBuffer, nSize);
 899     if (lpNameBuffer) {
 900         bufferW = HeapAlloc(GetProcessHeap(), 0, sizeW * sizeof(WCHAR));
 901         if (bufferW == NULL) {
 902             SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 903             return FALSE;
 904         }
 905     }
 906     rc = GetComputerObjectNameW(NameFormat, bufferW, &sizeW);
 907     if (rc && bufferW) {
 908         ULONG len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
 909         WideCharToMultiByte(CP_ACP, 0, bufferW, -1, lpNameBuffer, *nSize, NULL, NULL);
 910         *nSize = len;
 911     }
 912     else
 913         *nSize = sizeW;
 914     HeapFree(GetProcessHeap(), 0, bufferW);
 915     return rc;
 916 }
 917
 918 /***********************************************************************
 919  *              GetComputerObjectNameW (SECUR32.@)
 920  */
 921 BOOLEAN WINAPI GetComputerObjectNameW(
 922   EXTENDED_NAME_FORMAT NameFormat, LPWSTR lpNameBuffer, PULONG nSize)
 923 {
 924     LSA_HANDLE policyHandle;
 925     LSA_OBJECT_ATTRIBUTES objectAttributes;
 926     PPOLICY_DNS_DOMAIN_INFO domainInfo;
 927     NTSTATUS ntStatus;
 928     BOOLEAN status;
 929     TRACE("(%d %p %p)\n", NameFormat, lpNameBuffer, nSize);
 930
 931     if (NameFormat == NameUnknown)
 932     {
 933         SetLastError(ERROR_INVALID_PARAMETER);
 934         return FALSE;
 935     }
 936
 937     ZeroMemory(&objectAttributes, sizeof(objectAttributes));
 938     objectAttributes.Length = sizeof(objectAttributes);
 939
 940     ntStatus = LsaOpenPolicy(NULL, &objectAttributes,
 941                              POLICY_VIEW_LOCAL_INFORMATION,
 942                              &policyHandle);
 943     if (ntStatus != STATUS_SUCCESS)
 944     {
 945         SetLastError(LsaNtStatusToWinError(ntStatus));
 946         WARN("LsaOpenPolicy failed with NT status %x\n", GetLastError());
 947         return FALSE;
 948     }
 949
 950     ntStatus = LsaQueryInformationPolicy(policyHandle,
 951                                          PolicyDnsDomainInformation,
 952                                          (PVOID *)&domainInfo);
 953     if (ntStatus != STATUS_SUCCESS)
 954     {
 955         SetLastError(LsaNtStatusToWinError(ntStatus));
 956         WARN("LsaQueryInformationPolicy failed with NT status %x\n",
 957              GetLastError());
 958         LsaClose(policyHandle);
 959         return FALSE;
 960     }
 961
 962     if (domainInfo->Sid)
 963     {
 964         switch (NameFormat)
 965         {
 966         case NameSamCompatible:
 967             {
 968                 WCHAR name[MAX_COMPUTERNAME_LENGTH + 1];
 969                 DWORD size = sizeof(name);
 970                 if (GetComputerNameW(name, &size))
 971                 {
 972                     int len = domainInfo->Name.Length + size + 3;
 973                     if (lpNameBuffer)
 974                     {
 975                         if (*nSize < len)
 976                         {
 977                             *nSize = len;
 978                             SetLastError(ERROR_INSUFFICIENT_BUFFER);
 979                             status = FALSE;
 980                         }
 981                         else
 982                         {
 983                             WCHAR bs[] = { '\\', 0 };
 984                             WCHAR ds[] = { '$', 0 };
 985                             lstrcpyW(lpNameBuffer, domainInfo->Name.Buffer);
 986                             lstrcatW(lpNameBuffer, bs);
 987                             lstrcatW(lpNameBuffer, name);
 988                             lstrcatW(lpNameBuffer, ds);
 989                             status = TRUE;
 990                         }
 991                     }
 992                     else        /* just requesting length required */
 993                     {
 994                         *nSize = len;
 995                         status = TRUE;
 996                     }
 997                 }
 998                 else
 999                 {
1000                     SetLastError(ERROR_INTERNAL_ERROR);
1001                     status = FALSE;
1002                 }
1003             }
1004             break;
1005         case NameFullyQualifiedDN:
1006         case NameDisplay:
1007         case NameUniqueId:
1008         case NameCanonical:
1009         case NameUserPrincipal:
1010         case NameCanonicalEx:
1011         case NameServicePrincipal:
1012         case NameDnsDomain:
1013             FIXME("NameFormat %d not implemented\n", NameFormat);
1014             SetLastError(ERROR_CANT_ACCESS_DOMAIN_INFO);
1015             status = FALSE;
1016             break;
1017         default:
1018             SetLastError(ERROR_INVALID_PARAMETER);
1019             status = FALSE;
1020         }
1021     }
1022     else
1023     {
1024         SetLastError(ERROR_CANT_ACCESS_DOMAIN_INFO);
1025         status = FALSE;
1026     }
1027
1028     LsaFreeMemory(domainInfo);
1029     LsaClose(policyHandle);
1030
1031     return status;
1032 }
1033
1034 BOOLEAN WINAPI GetUserNameExA(
1035   EXTENDED_NAME_FORMAT NameFormat, LPSTR lpNameBuffer, PULONG nSize)
1036 {
1037     FIXME("%d %p %p\n", NameFormat, lpNameBuffer, nSize);
1038     return FALSE;
1039 }
1040
1041 BOOLEAN WINAPI GetUserNameExW(
1042   EXTENDED_NAME_FORMAT NameFormat, LPWSTR lpNameBuffer, PULONG nSize)
1043 {
1044     FIXME("%d %p %p\n", NameFormat, lpNameBuffer, nSize);
1045     return FALSE;
1046 }
1047
1048 NTSTATUS WINAPI LsaCallAuthenticationPackage(
1049   HANDLE LsaHandle, ULONG AuthenticationPackage, PVOID ProtocolSubmitBuffer,
1050   ULONG SubmitBufferLength, PVOID* ProtocolReturnBuffer, PULONG ReturnBufferLength,
1051   PNTSTATUS ProtocolStatus)
1052 {
1053     FIXME("%p %d %p %d %p %p %p\n", LsaHandle, AuthenticationPackage,
1054           ProtocolSubmitBuffer, SubmitBufferLength, ProtocolReturnBuffer,
1055           ReturnBufferLength, ProtocolStatus);
1056     return 0;
1057 }
1058
1059 NTSTATUS WINAPI LsaConnectUntrusted(PHANDLE LsaHandle)
1060 {
1061     FIXME("%p\n", LsaHandle);
1062     return 0;
1063 }
1064
1065 NTSTATUS WINAPI LsaDeregisterLogonProcess(HANDLE LsaHandle)
1066 {
1067     FIXME("%p\n", LsaHandle);
1068     return 0;
1069 }
1070
1071 BOOLEAN WINAPI TranslateNameA(
1072   LPCSTR lpAccountName, EXTENDED_NAME_FORMAT AccountNameFormat,
1073   EXTENDED_NAME_FORMAT DesiredNameFormat, LPSTR lpTranslatedName,
1074   PULONG nSize)
1075 {
1076     FIXME("%p %d %d %p %p\n", lpAccountName, AccountNameFormat,
1077           DesiredNameFormat, lpTranslatedName, nSize);
1078     return FALSE;
1079 }
1080
1081 BOOLEAN WINAPI TranslateNameW(
1082   LPCWSTR lpAccountName, EXTENDED_NAME_FORMAT AccountNameFormat,
1083   EXTENDED_NAME_FORMAT DesiredNameFormat, LPWSTR lpTranslatedName,
1084   PULONG nSize)
1085 {
1086     FIXME("%p %d %d %p %p\n", lpAccountName, AccountNameFormat,
1087           DesiredNameFormat, lpTranslatedName, nSize);
1088     return FALSE;
1089 }
1090
1091 /***********************************************************************
1092  *              DllMain (SECUR32.0)
1093  */
1094 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
1095 {
1096     if (fdwReason == DLL_PROCESS_ATTACH)
1097     {
1098         DisableThreadLibraryCalls(hinstDLL);
1099         SECUR32_initializeProviders();
1100     }
1101     else if (fdwReason == DLL_PROCESS_DETACH)
1102     {
1103         SECUR32_freeProviders();
1104     }
1105
1106     return TRUE;
1107 }