git.oblomov.eu Git - wine/blob - 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              (LPBYTE)&inFnTableA->SetContextAttributesA -
 242              (LPBYTE)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              (LPBYTE)&inFnTableW->SetContextAttributesW -
 313              (LPBYTE)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 : (PSecPkgInfoW)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     SECUR32_initNegotiateSP();
 549     SECUR32_initNTLMSP();
 550     /* Now load providers from registry */
 551     apiRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, securityProvidersKeyW, 0,
 552      KEY_READ, &key);
 553     if (apiRet == ERROR_SUCCESS)
 554     {
 555         WCHAR securityPkgNames[MAX_PATH]; /* arbitrary len */
 556         DWORD size = sizeof(securityPkgNames) / sizeof(WCHAR), type;
 557
 558         apiRet = RegQueryValueExW(key, securityProvidersW, NULL, &type,
 559          (PBYTE)securityPkgNames, &size);
 560         if (apiRet == ERROR_SUCCESS && type == REG_SZ)
 561         {
 562             WCHAR *ptr;
 563
 564             for (ptr = securityPkgNames;
 565              ptr < (PWSTR)((PBYTE)securityPkgNames + size); )
 566             {
 567                 WCHAR *comma;
 568
 569                 for (comma = ptr; *comma && *comma != ','; comma++)
 570                     ;
 571                 if (*comma == ',')
 572                     *comma = '\0';
 573                 for (; *ptr && isspace(*ptr) && ptr < securityPkgNames + size;
 574                  ptr++)
 575                     ;
 576                 if (*ptr)
 577                     _tryLoadProvider(ptr);
 578                 ptr += lstrlenW(ptr) + 1;
 579             }
 580         }
 581         RegCloseKey(key);
 582     }
 583 }
 584
 585 SecurePackage *SECUR32_findPackageW(PWSTR packageName)
 586 {
 587     SecurePackage *ret = NULL;
 588     BOOL matched = FALSE;
 589
 590     if (packageTable && packageName)
 591     {
 592         LIST_FOR_EACH_ENTRY(ret, &packageTable->table, SecurePackage, entry)
 593         {
 594             matched = !lstrcmpiW(ret->infoW.Name, packageName);
 595             if (matched)
 596                 break;
 597         }
 598
 599         if (!matched)
 600                 return NULL;
 601
 602         if (ret->provider && !ret->provider->loaded)
 603         {
 604             ret->provider->lib = LoadLibraryW(ret->provider->moduleName);
 605             if (ret->provider->lib)
 606             {
 607                 INIT_SECURITY_INTERFACE_W pInitSecurityInterfaceW =
 608                  (INIT_SECURITY_INTERFACE_W)GetProcAddress(ret->provider->lib,
 609                  SECURITY_ENTRYPOINT_ANSIW);
 610                 INIT_SECURITY_INTERFACE_A pInitSecurityInterfaceA =
 611                  (INIT_SECURITY_INTERFACE_A)GetProcAddress(ret->provider->lib,
 612                  SECURITY_ENTRYPOINT_ANSIA);
 613                 PSecurityFunctionTableA fnTableA = NULL;
 614                 PSecurityFunctionTableW fnTableW = NULL;
 615
 616                 if (pInitSecurityInterfaceA)
 617                     fnTableA = pInitSecurityInterfaceA();
 618                 if (pInitSecurityInterfaceW)
 619                     fnTableW = pInitSecurityInterfaceW();
 620                 _makeFnTableA(&ret->provider->fnTableA, fnTableA, fnTableW);
 621                 _makeFnTableW(&ret->provider->fnTableW, fnTableA, fnTableW);
 622                 ret->provider->loaded = TRUE;
 623             }
 624             else
 625                 ret = NULL;
 626         }
 627     }
 628     return ret;
 629 }
 630
 631 SecurePackage *SECUR32_findPackageA(PSTR packageName)
 632 {
 633     SecurePackage *ret;
 634
 635     if (packageTable && packageName)
 636     {
 637         UNICODE_STRING package;
 638
 639         RtlCreateUnicodeStringFromAsciiz(&package, packageName);
 640         ret = SECUR32_findPackageW(package.Buffer);
 641         RtlFreeUnicodeString(&package);
 642     }
 643     else
 644         ret = NULL;
 645     return ret;
 646 }
 647
 648 static void SECUR32_freeProviders(void)
 649 {
 650     SecurePackage *package;
 651     SecureProvider *provider;
 652
 653     TRACE("\n");
 654     EnterCriticalSection(&cs);
 655
 656     if (packageTable)
 657     {
 658         LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 659         {
 660             SECUR32_FREE(package->infoW.Name);
 661             SECUR32_FREE(package->infoW.Comment);
 662         }
 663
 664         HeapFree(GetProcessHeap(), 0, packageTable);
 665         packageTable = NULL;
 666     }
 667
 668     if (providerTable)
 669     {
 670         LIST_FOR_EACH_ENTRY(provider, &providerTable->table, SecureProvider, entry)
 671         {
 672             SECUR32_FREE(provider->moduleName);
 673             if (provider->lib)
 674                 FreeLibrary(provider->lib);
 675         }
 676
 677         HeapFree(GetProcessHeap(), 0, providerTable);
 678         providerTable = NULL;
 679     }
 680
 681     LeaveCriticalSection(&cs);
 682     DeleteCriticalSection(&cs);
 683 }
 684
 685 /***********************************************************************
 686  *              FreeContextBuffer (SECUR32.@)
 687  *
 688  * Doh--if pv was allocated by a crypto package, this may not be correct.
 689  * The sample ssp seems to use LocalAlloc/LocalFee, but there doesn't seem to
 690  * be any guarantee, nor is there an alloc function in secur32.
 691  */
 692 SECURITY_STATUS WINAPI FreeContextBuffer(PVOID pv)
 693 {
 694     SECUR32_FREE(pv);
 695
 696     return SEC_E_OK;
 697 }
 698
 699 /***********************************************************************
 700  *              EnumerateSecurityPackagesW (SECUR32.@)
 701  */
 702 SECURITY_STATUS WINAPI EnumerateSecurityPackagesW(PULONG pcPackages,
 703  PSecPkgInfoW *ppPackageInfo)
 704 {
 705     SECURITY_STATUS ret = SEC_E_OK;
 706
 707     TRACE("(%p, %p)\n", pcPackages, ppPackageInfo);
 708
 709     /* windows just crashes if pcPackages or ppPackageInfo is NULL, so will I */
 710     *pcPackages = 0;
 711     EnterCriticalSection(&cs);
 712     if (packageTable)
 713     {
 714         SecurePackage *package;
 715         size_t bytesNeeded;
 716
 717         bytesNeeded = packageTable->numPackages * sizeof(SecPkgInfoW);
 718         LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 719         {
 720             if (package->infoW.Name)
 721                 bytesNeeded += (lstrlenW(package->infoW.Name) + 1) * sizeof(WCHAR);
 722             if (package->infoW.Comment)
 723                 bytesNeeded += (lstrlenW(package->infoW.Comment) + 1) * sizeof(WCHAR);
 724         }
 725         if (bytesNeeded)
 726         {
 727             *ppPackageInfo = (PSecPkgInfoW)SECUR32_ALLOC(bytesNeeded);
 728             if (*ppPackageInfo)
 729             {
 730                 ULONG i = 0;
 731                 PWSTR nextString;
 732
 733                 *pcPackages = packageTable->numPackages;
 734                 nextString = (PWSTR)((PBYTE)*ppPackageInfo +
 735                  packageTable->numPackages * sizeof(SecPkgInfoW));
 736                 LIST_FOR_EACH_ENTRY(package, &packageTable->table, SecurePackage, entry)
 737                 {
 738                     PSecPkgInfoW pkgInfo = *ppPackageInfo + i++;
 739
 740                     memcpy(pkgInfo, &package->infoW, sizeof(SecPkgInfoW));
 741                     if (package->infoW.Name)
 742                     {
 743                         TRACE("Name[%ld] = %s\n", i - 1, debugstr_w(package->infoW.Name));
 744                         pkgInfo->Name = nextString;
 745                         lstrcpyW(nextString, package->infoW.Name);
 746                         nextString += lstrlenW(nextString) + 1;
 747                     }
 748                     else
 749                         pkgInfo->Name = NULL;
 750                     if (package->infoW.Comment)
 751                     {
 752                         TRACE("Comment[%ld] = %s\n", i - 1, debugstr_w(package->infoW.Comment));
 753                         pkgInfo->Comment = nextString;
 754                         lstrcpyW(nextString, package->infoW.Comment);
 755                         nextString += lstrlenW(nextString) + 1;
 756                     }
 757                     else
 758                         pkgInfo->Comment = NULL;
 759                 }
 760             }
 761             else
 762                 ret = SEC_E_INSUFFICIENT_MEMORY;
 763         }
 764     }
 765     LeaveCriticalSection(&cs);
 766     TRACE("<-- 0x%08lx\n", ret);
 767     return ret;
 768 }
 769
 770 /* Converts info (which is assumed to be an array of cPackages SecPkgInfoW
 771  * structures) into an array of SecPkgInfoA structures, which it returns.
 772  */
 773 static PSecPkgInfoA thunk_PSecPkgInfoWToA(ULONG cPackages,
 774  const PSecPkgInfoW info)
 775 {
 776     PSecPkgInfoA ret;
 777
 778     if (info)
 779     {
 780         size_t bytesNeeded = cPackages * sizeof(SecPkgInfoA);
 781         ULONG i;
 782
 783         for (i = 0; i < cPackages; i++)
 784         {
 785             if (info[i].Name)
 786                 bytesNeeded += WideCharToMultiByte(CP_ACP, 0, info[i].Name,
 787                  -1, NULL, 0, NULL, NULL);
 788             if (info[i].Comment)
 789                 bytesNeeded += WideCharToMultiByte(CP_ACP, 0, info[i].Comment,
 790                  -1, NULL, 0, NULL, NULL);
 791         }
 792         ret = (PSecPkgInfoA)SECUR32_ALLOC(bytesNeeded);
 793         if (ret)
 794         {
 795             PSTR nextString;
 796
 797             nextString = (PSTR)((PBYTE)ret + cPackages * sizeof(SecPkgInfoA));
 798             for (i = 0; i < cPackages; i++)
 799             {
 800                 PSecPkgInfoA pkgInfo = ret + i;
 801                 int bytes;
 802
 803                 memcpy(pkgInfo, &info[i], sizeof(SecPkgInfoA));
 804                 if (info[i].Name)
 805                 {
 806                     pkgInfo->Name = nextString;
 807                     /* just repeat back to WideCharToMultiByte how many bytes
 808                      * it requires, since we asked it earlier
 809                      */
 810                     bytes = WideCharToMultiByte(CP_ACP, 0, info[i].Name, -1,
 811                      NULL, 0, NULL, NULL);
 812                     WideCharToMultiByte(CP_ACP, 0, info[i].Name, -1,
 813                      pkgInfo->Name, bytes, NULL, NULL);
 814                     nextString += lstrlenA(nextString) + 1;
 815                 }
 816                 else
 817                     pkgInfo->Name = NULL;
 818                 if (info[i].Comment)
 819                 {
 820                     pkgInfo->Comment = nextString;
 821                     /* just repeat back to WideCharToMultiByte how many bytes
 822                      * it requires, since we asked it earlier
 823                      */
 824                     bytes = WideCharToMultiByte(CP_ACP, 0, info[i].Comment, -1,
 825                      NULL, 0, NULL, NULL);
 826                     WideCharToMultiByte(CP_ACP, 0, info[i].Comment, -1,
 827                      pkgInfo->Comment, bytes, NULL, NULL);
 828                     nextString += lstrlenA(nextString) + 1;
 829                 }
 830                 else
 831                     pkgInfo->Comment = NULL;
 832             }
 833         }
 834     }
 835     else
 836         ret = NULL;
 837     return ret;
 838 }
 839
 840 /***********************************************************************
 841  *              EnumerateSecurityPackagesA (SECUR32.@)
 842  */
 843 SECURITY_STATUS WINAPI EnumerateSecurityPackagesA(PULONG pcPackages,
 844  PSecPkgInfoA *ppPackageInfo)
 845 {
 846     SECURITY_STATUS ret;
 847     PSecPkgInfoW info;
 848
 849     ret = EnumerateSecurityPackagesW(pcPackages, &info);
 850     if (ret == SEC_E_OK && *pcPackages && info)
 851     {
 852         *ppPackageInfo = thunk_PSecPkgInfoWToA(*pcPackages, info);
 853         if (*pcPackages && !*ppPackageInfo)
 854         {
 855             *pcPackages = 0;
 856             ret = SEC_E_INSUFFICIENT_MEMORY;
 857         }
 858         FreeContextBuffer(info);
 859     }
 860     return ret;
 861 }
 862
 863 /***********************************************************************
 864  *              GetComputerObjectNameA (SECUR32.@)
 865  *
 866  * Get the local computer's name using the format specified.
 867  *
 868  * PARAMS
 869  *  NameFormat   [I] The format for the name.
 870  *  lpNameBuffer [O] Pointer to buffer to receive the name.
 871  *  nSize        [I/O] Size in characters of buffer.
 872  *
 873  * RETURNS
 874  *  TRUE  If the name was written to lpNameBuffer.
 875  *  FALSE If the name couldn't be written.
 876  *
 877  * NOTES
 878  *  If lpNameBuffer is NULL, then the size of the buffer needed to hold the
 879  *  name will be returned in *nSize.
 880  *
 881  *  nSize returns the number of characters written when lpNameBuffer is not
 882  *  NULL or the size of the buffer needed to hold the name when the buffer
 883  *  is too short or lpNameBuffer is NULL.
 884  *
 885  *  It the buffer is too short, ERROR_INSUFFICIENT_BUFFER error will be set.
 886  */
 887 BOOLEAN WINAPI GetComputerObjectNameA(
 888   EXTENDED_NAME_FORMAT NameFormat, LPSTR lpNameBuffer, PULONG nSize)
 889 {
 890     BOOLEAN rc;
 891     LPWSTR bufferW = NULL;
 892     ULONG sizeW = *nSize;
 893     TRACE("(%d %p %p)\n", NameFormat, lpNameBuffer, nSize);
 894     if (lpNameBuffer) {
 895         bufferW = HeapAlloc(GetProcessHeap(), 0, sizeW * sizeof(WCHAR));
 896         if (bufferW == NULL) {
 897             SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 898             return FALSE;
 899         }
 900     }
 901     rc = GetComputerObjectNameW(NameFormat, bufferW, &sizeW);
 902     if (rc && bufferW) {
 903         ULONG len = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
 904         WideCharToMultiByte(CP_ACP, 0, bufferW, -1, lpNameBuffer, *nSize, NULL, NULL);
 905         *nSize = len;
 906     }
 907     else
 908         *nSize = sizeW;
 909     HeapFree(GetProcessHeap(), 0, bufferW);
 910     return rc;
 911 }
 912
 913 /***********************************************************************
 914  *              GetComputerObjectNameW (SECUR32.@)
 915  */
 916 BOOLEAN WINAPI GetComputerObjectNameW(
 917   EXTENDED_NAME_FORMAT NameFormat, LPWSTR lpNameBuffer, PULONG nSize)
 918 {
 919     LSA_HANDLE policyHandle;
 920     LSA_OBJECT_ATTRIBUTES objectAttributes;
 921     PPOLICY_DNS_DOMAIN_INFO domainInfo;
 922     NTSTATUS ntStatus;
 923     BOOLEAN status;
 924     TRACE("(%d %p %p)\n", NameFormat, lpNameBuffer, nSize);
 925
 926     if (NameFormat == NameUnknown)
 927     {
 928         SetLastError(ERROR_INVALID_PARAMETER);
 929         return FALSE;
 930     }
 931
 932     ZeroMemory(&objectAttributes, sizeof(objectAttributes));
 933     objectAttributes.Length = sizeof(objectAttributes);
 934
 935     ntStatus = LsaOpenPolicy(NULL, &objectAttributes,
 936                              POLICY_VIEW_LOCAL_INFORMATION,
 937                              &policyHandle);
 938     if (ntStatus != STATUS_SUCCESS)
 939     {
 940         SetLastError(LsaNtStatusToWinError(ntStatus));
 941         WARN("LsaOpenPolicy failed with NT status %lx\n", GetLastError());
 942         return FALSE;
 943     }
 944
 945     ntStatus = LsaQueryInformationPolicy(policyHandle,
 946                                          PolicyDnsDomainInformation,
 947                                          (PVOID *)&domainInfo);
 948     if (ntStatus != STATUS_SUCCESS)
 949     {
 950         SetLastError(LsaNtStatusToWinError(ntStatus));
 951         WARN("LsaQueryInformationPolicy failed with NT status %lx\n",
 952              GetLastError());
 953         LsaClose(policyHandle);
 954         return FALSE;
 955     }
 956
 957     if (domainInfo->Sid)
 958     {
 959         switch (NameFormat)
 960         {
 961         case NameSamCompatible:
 962             {
 963                 WCHAR name[MAX_COMPUTERNAME_LENGTH + 1];
 964                 DWORD size = sizeof(name);
 965                 if (GetComputerNameW(name, &size))
 966                 {
 967                     int len = domainInfo->Name.Length + size + 3;
 968                     if (lpNameBuffer)
 969                     {
 970                         if (*nSize < len)
 971                         {
 972                             *nSize = len;
 973                             SetLastError(ERROR_INSUFFICIENT_BUFFER);
 974                             status = FALSE;
 975                         }
 976                         else
 977                         {
 978                             WCHAR bs[] = { '\\', 0 };
 979                             WCHAR ds[] = { '$', 0 };
 980                             lstrcpyW(lpNameBuffer, domainInfo->Name.Buffer);
 981                             lstrcatW(lpNameBuffer, bs);
 982                             lstrcatW(lpNameBuffer, name);
 983                             lstrcatW(lpNameBuffer, ds);
 984                             status = TRUE;
 985                         }
 986                     }
 987                     else        /* just requesting length required */
 988                     {
 989                         *nSize = len;
 990                         status = TRUE;
 991                     }
 992                 }
 993                 else
 994                 {
 995                     SetLastError(ERROR_INTERNAL_ERROR);
 996                     status = FALSE;
 997                 }
 998             }
 999             break;
1000         case NameFullyQualifiedDN:
1001         case NameDisplay:
1002         case NameUniqueId:
1003         case NameCanonical:
1004         case NameUserPrincipal:
1005         case NameCanonicalEx:
1006         case NameServicePrincipal:
1007         case NameDnsDomain:
1008             FIXME("NameFormat %d not implemented\n", NameFormat);
1009             SetLastError(ERROR_CANT_ACCESS_DOMAIN_INFO);
1010             status = FALSE;
1011             break;
1012         default:
1013             SetLastError(ERROR_INVALID_PARAMETER);
1014             status = FALSE;
1015         }
1016     }
1017     else
1018     {
1019         SetLastError(ERROR_CANT_ACCESS_DOMAIN_INFO);
1020         status = FALSE;
1021     }
1022
1023     LsaFreeMemory(domainInfo);
1024     LsaClose(policyHandle);
1025
1026     return status;
1027 }
1028
1029 BOOLEAN WINAPI GetUserNameExA(
1030   EXTENDED_NAME_FORMAT NameFormat, LPSTR lpNameBuffer, PULONG nSize)
1031 {
1032     FIXME("%d %p %p\n", NameFormat, lpNameBuffer, nSize);
1033     return FALSE;
1034 }
1035
1036 BOOLEAN WINAPI GetUserNameExW(
1037   EXTENDED_NAME_FORMAT NameFormat, LPWSTR lpNameBuffer, PULONG nSize)
1038 {
1039     FIXME("%d %p %p\n", NameFormat, lpNameBuffer, nSize);
1040     return FALSE;
1041 }
1042
1043 NTSTATUS WINAPI LsaCallAuthenticationPackage(
1044   HANDLE LsaHandle, ULONG AuthenticationPackage, PVOID ProtocolSubmitBuffer,
1045   ULONG SubmitBufferLength, PVOID* ProtocolReturnBuffer, PULONG ReturnBufferLength,
1046   PNTSTATUS ProtocolStatus)
1047 {
1048     FIXME("%p %ld %p %ld %p %p %p\n", LsaHandle, AuthenticationPackage,
1049           ProtocolSubmitBuffer, SubmitBufferLength, ProtocolReturnBuffer,
1050           ReturnBufferLength, ProtocolStatus);
1051     return 0;
1052 }
1053
1054 NTSTATUS WINAPI LsaConnectUntrusted(PHANDLE LsaHandle)
1055 {
1056     FIXME("%p\n", LsaHandle);
1057     return 0;
1058 }
1059
1060 NTSTATUS WINAPI LsaDeregisterLogonProcess(HANDLE LsaHandle)
1061 {
1062     FIXME("%p\n", LsaHandle);
1063     return 0;
1064 }
1065
1066 BOOLEAN WINAPI TranslateNameA(
1067   LPCSTR lpAccountName, EXTENDED_NAME_FORMAT AccountNameFormat,
1068   EXTENDED_NAME_FORMAT DesiredNameFormat, LPSTR lpTranslatedName,
1069   PULONG nSize)
1070 {
1071     FIXME("%p %d %d %p %p\n", lpAccountName, AccountNameFormat,
1072           DesiredNameFormat, lpTranslatedName, nSize);
1073     return FALSE;
1074 }
1075
1076 BOOLEAN WINAPI TranslateNameW(
1077   LPCWSTR lpAccountName, EXTENDED_NAME_FORMAT AccountNameFormat,
1078   EXTENDED_NAME_FORMAT DesiredNameFormat, LPWSTR lpTranslatedName,
1079   PULONG nSize)
1080 {
1081     FIXME("%p %d %d %p %p\n", lpAccountName, AccountNameFormat,
1082           DesiredNameFormat, lpTranslatedName, nSize);
1083     return FALSE;
1084 }
1085
1086 /***********************************************************************
1087  *              DllMain (SECUR32.0)
1088  */
1089 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
1090 {
1091     if (fdwReason == DLL_PROCESS_ATTACH)
1092     {
1093         DisableThreadLibraryCalls(hinstDLL);
1094         SECUR32_initializeProviders();
1095     }
1096     else if (fdwReason == DLL_PROCESS_DETACH)
1097     {
1098         SECUR32_freeProviders();
1099     }
1100
1101     return TRUE;
1102 }