ntoskrnl/config/cmsysini.c

   1 /*
   2  * PROJECT:         ReactOS Kernel
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            ntoskrnl/config/cmsysini.c
   5  * PURPOSE:         Configuration Manager - System Initialization Code
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  *                  Alex Ionescu (alex.ionescu@reactos.org)
   8  */
   9
  10 /* INCLUDES *******************************************************************/
  11
  12 #include "ntoskrnl.h"
  13 #define NDEBUG
  14 #include "debug.h"
  15
  16 POBJECT_TYPE CmpKeyObjectType;
  17 PCMHIVE CmiVolatileHive;
  18 LIST_ENTRY CmpHiveListHead;
  19 ERESOURCE CmpRegistryLock;
  20 KGUARDED_MUTEX CmpSelfHealQueueLock;
  21 LIST_ENTRY CmpSelfHealQueueListHead;
  22 KEVENT CmpLoadWorkerEvent;
  23 LONG CmpLoadWorkerIncrement;
  24 PEPROCESS CmpSystemProcess;
  25 BOOLEAN HvShutdownComplete;
  26 PVOID CmpRegistryLockCallerCaller, CmpRegistryLockCaller;
  27 BOOLEAN CmpFlushOnLockRelease;
  28 BOOLEAN CmpSpecialBootCondition;
  29 BOOLEAN CmpNoWrite;
  30 BOOLEAN CmpWasSetupBoot;
  31 BOOLEAN CmpProfileLoaded;
  32 BOOLEAN CmpNoVolatileCreates;
  33 ULONG CmpTraceLevel = 0;
  34
  35 extern LONG CmpFlushStarveWriters;
  36 extern BOOLEAN CmFirstTime;
  37
  38 /* FUNCTIONS ******************************************************************/
  39
  40 BOOLEAN
  41 NTAPI
  42 CmpLinkKeyToHive(
  43     _In_z_ PCWSTR LinkKeyName,
  44     _In_z_ PCWSTR TargetKeyName)
  45 {
  46     NTSTATUS Status;
  47     OBJECT_ATTRIBUTES ObjectAttributes;
  48     UNICODE_STRING KeyName;
  49     HANDLE LinkKeyHandle;
  50     ULONG Disposition;
  51
  52     PAGED_CODE();
  53
  54     /* Initialize the object attributes */
  55     RtlInitUnicodeString(&KeyName, LinkKeyName);
  56     InitializeObjectAttributes(&ObjectAttributes,
  57                                &KeyName,
  58                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
  59                                NULL,
  60                                NULL);
  61
  62     /* Create the link key */
  63     Status = ZwCreateKey(&LinkKeyHandle,
  64                          KEY_CREATE_LINK,
  65                          &ObjectAttributes,
  66                          0,
  67                          NULL,
  68                          REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
  69                          &Disposition);
  70     if (!NT_SUCCESS(Status))
  71     {
  72         DPRINT1("CM: CmpLinkKeyToHive: couldn't create %S, Status = 0x%lx\n",
  73                 LinkKeyName, Status);
  74         return FALSE;
  75     }
  76
  77     /* Check if the new key was actually created */
  78     if (Disposition != REG_CREATED_NEW_KEY)
  79     {
  80         DPRINT1("CM: CmpLinkKeyToHive: %S already exists!\n", LinkKeyName);
  81         ZwClose(LinkKeyHandle);
  82         return FALSE;
  83     }
  84
  85     /* Set the target key name as link target */
  86     RtlInitUnicodeString(&KeyName, TargetKeyName);
  87     Status = ZwSetValueKey(LinkKeyHandle,
  88                            &CmSymbolicLinkValueName,
  89                            0,
  90                            REG_LINK,
  91                            KeyName.Buffer,
  92                            KeyName.Length);
  93
  94     /* Close the link key handle */
  95     ObCloseHandle(LinkKeyHandle, KernelMode);
  96
  97     if (!NT_SUCCESS(Status))
  98     {
  99         DPRINT1("CM: CmpLinkKeyToHive: couldn't create symbolic link for %S, Status = 0x%lx\n",
 100                 TargetKeyName, Status);
 101         return FALSE;
 102     }
 103
 104     return TRUE;
 105 }
 106
 107 VOID
 108 NTAPI
 109 CmpDeleteKeyObject(PVOID DeletedObject)
 110 {
 111     PCM_KEY_BODY KeyBody = (PCM_KEY_BODY)DeletedObject;
 112     PCM_KEY_CONTROL_BLOCK Kcb;
 113     REG_KEY_HANDLE_CLOSE_INFORMATION KeyHandleCloseInfo;
 114     REG_POST_OPERATION_INFORMATION PostOperationInfo;
 115     NTSTATUS Status;
 116     PAGED_CODE();
 117
 118     /* First off, prepare the handle close information callback */
 119     PostOperationInfo.Object = KeyBody;
 120     KeyHandleCloseInfo.Object = KeyBody;
 121     Status = CmiCallRegisteredCallbacks(RegNtPreKeyHandleClose,
 122                                         &KeyHandleCloseInfo);
 123     if (!NT_SUCCESS(Status))
 124     {
 125         /* If we failed, notify the post routine */
 126         PostOperationInfo.Status = Status;
 127         CmiCallRegisteredCallbacks(RegNtPostKeyHandleClose, &PostOperationInfo);
 128         return;
 129     }
 130
 131     /* Acquire hive lock */
 132     CmpLockRegistry();
 133
 134     /* Make sure this is a valid key body */
 135     if (KeyBody->Type == CM_KEY_BODY_TYPE)
 136     {
 137         /* Get the KCB */
 138         Kcb = KeyBody->KeyControlBlock;
 139         if (Kcb)
 140         {
 141             /* Delist the key */
 142             DelistKeyBodyFromKCB(KeyBody, FALSE);
 143
 144             /* Dereference the KCB */
 145             CmpDelayDerefKeyControlBlock(Kcb);
 146         }
 147     }
 148
 149     /* Release the registry lock */
 150     CmpUnlockRegistry();
 151
 152     /* Do the post callback */
 153     PostOperationInfo.Status = STATUS_SUCCESS;
 154     CmiCallRegisteredCallbacks(RegNtPostKeyHandleClose, &PostOperationInfo);
 155 }
 156
 157 VOID
 158 NTAPI
 159 CmpCloseKeyObject(IN PEPROCESS Process OPTIONAL,
 160                   IN PVOID Object,
 161                   IN ACCESS_MASK GrantedAccess,
 162                   IN ULONG ProcessHandleCount,
 163                   IN ULONG SystemHandleCount)
 164 {
 165     PCM_KEY_BODY KeyBody = (PCM_KEY_BODY)Object;
 166     PAGED_CODE();
 167
 168     /* Don't do anything if we're not the last handle */
 169     if (SystemHandleCount > 1) return;
 170
 171     /* Make sure we're a valid key body */
 172     if (KeyBody->Type == CM_KEY_BODY_TYPE)
 173     {
 174         /* Don't do anything if we don't have a notify block */
 175         if (!KeyBody->NotifyBlock) return;
 176
 177         /* This shouldn't happen yet */
 178         ASSERT(FALSE);
 179     }
 180 }
 181
 182 NTSTATUS
 183 NTAPI
 184 CmpQueryKeyName(IN PVOID ObjectBody,
 185                 IN BOOLEAN HasName,
 186                 IN OUT POBJECT_NAME_INFORMATION ObjectNameInfo,
 187                 IN ULONG Length,
 188                 OUT PULONG ReturnLength,
 189                 IN KPROCESSOR_MODE PreviousMode)
 190 {
 191     PUNICODE_STRING KeyName;
 192     ULONG BytesToCopy;
 193     NTSTATUS Status = STATUS_SUCCESS;
 194     PCM_KEY_BODY KeyBody = (PCM_KEY_BODY)ObjectBody;
 195     PCM_KEY_CONTROL_BLOCK Kcb = KeyBody->KeyControlBlock;
 196
 197     /* Acquire hive lock */
 198     CmpLockRegistry();
 199
 200     /* Lock KCB shared */
 201     CmpAcquireKcbLockShared(Kcb);
 202
 203     /* Check if it's a deleted block */
 204     if (Kcb->Delete)
 205     {
 206         /* Release the locks */
 207         CmpReleaseKcbLock(Kcb);
 208         CmpUnlockRegistry();
 209
 210         /* Let the caller know it's deleted */
 211         return STATUS_KEY_DELETED;
 212     }
 213
 214     /* Get the name */
 215     KeyName = CmpConstructName(Kcb);
 216
 217     /* Release the locks */
 218     CmpReleaseKcbLock(Kcb);
 219     CmpUnlockRegistry();
 220
 221     /* Check if we got the name */
 222     if (!KeyName) return STATUS_INSUFFICIENT_RESOURCES;
 223
 224     /* Set the returned length */
 225     *ReturnLength = KeyName->Length + sizeof(OBJECT_NAME_INFORMATION) + sizeof(WCHAR);
 226
 227     /* Calculate amount of bytes to copy into the buffer */
 228     BytesToCopy = KeyName->Length + sizeof(WCHAR);
 229
 230     /* Check if the provided buffer is too small to fit even anything */
 231     if ((Length <= sizeof(OBJECT_NAME_INFORMATION)) ||
 232         ((Length < (*ReturnLength)) && (BytesToCopy < sizeof(WCHAR))))
 233     {
 234         /* Free the buffer allocated by CmpConstructName */
 235         ExFreePoolWithTag(KeyName, TAG_CM);
 236
 237         /* Return buffer length failure without writing anything there because nothing fits */
 238         return STATUS_INFO_LENGTH_MISMATCH;
 239     }
 240
 241     /* Check if the provided buffer can be partially written */
 242     if (Length < (*ReturnLength))
 243     {
 244         /* Yes, indicate so in the return status */
 245         Status = STATUS_INFO_LENGTH_MISMATCH;
 246
 247         /* Calculate amount of bytes which the provided buffer could handle */
 248         BytesToCopy = Length - sizeof(OBJECT_NAME_INFORMATION);
 249     }
 250
 251     /* Remove the null termination character from the size */
 252     BytesToCopy -= sizeof(WCHAR);
 253
 254     /* Fill in the result */
 255     _SEH2_TRY
 256     {
 257         /* Return data to user */
 258         ObjectNameInfo->Name.Buffer = (PWCHAR)(ObjectNameInfo + 1);
 259         ObjectNameInfo->Name.MaximumLength = KeyName->Length;
 260         ObjectNameInfo->Name.Length = KeyName->Length;
 261
 262         /* Copy string content*/
 263         RtlCopyMemory(ObjectNameInfo->Name.Buffer,
 264                       KeyName->Buffer,
 265                       BytesToCopy);
 266
 267         /* Null terminate it */
 268         ObjectNameInfo->Name.Buffer[BytesToCopy / sizeof(WCHAR)] = UNICODE_NULL;
 269     }
 270     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
 271     {
 272         /* Get the status */
 273         Status = _SEH2_GetExceptionCode();
 274     }
 275     _SEH2_END;
 276
 277     /* Free the buffer allocated by CmpConstructName */
 278     ExFreePoolWithTag(KeyName, TAG_CM);
 279
 280     /* Return status */
 281     return Status;
 282 }
 283
 284 NTSTATUS
 285 NTAPI
 286 CmpInitHiveFromFile(IN PCUNICODE_STRING HiveName,
 287                     IN ULONG HiveFlags,
 288                     OUT PCMHIVE *Hive,
 289                     IN OUT PBOOLEAN New,
 290                     IN ULONG CheckFlags)
 291 {
 292     ULONG HiveDisposition, LogDisposition;
 293     HANDLE FileHandle = NULL, LogHandle = NULL;
 294     NTSTATUS Status;
 295     ULONG Operation, FileType;
 296     PCMHIVE NewHive;
 297     PAGED_CODE();
 298
 299     /* Assume failure */
 300     *Hive = NULL;
 301
 302     /* Open or create the hive files */
 303     Status = CmpOpenHiveFiles(HiveName,
 304                               L".LOG",
 305                               &FileHandle,
 306                               &LogHandle,
 307                               &HiveDisposition,
 308                               &LogDisposition,
 309                               *New,
 310                               FALSE,
 311                               TRUE,
 312                               NULL);
 313     if (!NT_SUCCESS(Status)) return Status;
 314
 315     /* Check if we have a log handle */
 316     FileType = (LogHandle) ? HFILE_TYPE_LOG : HFILE_TYPE_PRIMARY;
 317
 318     /* Check if we created or opened the hive */
 319     if (HiveDisposition == FILE_CREATED)
 320     {
 321         /* Do a create operation */
 322         Operation = HINIT_CREATE;
 323         *New = TRUE;
 324     }
 325     else
 326     {
 327         /* Open it as a file */
 328         Operation = HINIT_FILE;
 329         *New = FALSE;
 330     }
 331
 332     /* Check if we're sharing hives */
 333     if (CmpShareSystemHives)
 334     {
 335         /* Then force using the primary hive */
 336         FileType = HFILE_TYPE_PRIMARY;
 337         if (LogHandle)
 338         {
 339             /* Get rid of the log handle */
 340             ZwClose(LogHandle);
 341             LogHandle = NULL;
 342         }
 343     }
 344
 345     /* Check if we're too late */
 346     if (HvShutdownComplete)
 347     {
 348         /* Fail */
 349         ZwClose(FileHandle);
 350         if (LogHandle) ZwClose(LogHandle);
 351         return STATUS_TOO_LATE;
 352     }
 353
 354     /* Initialize the hive */
 355     Status = CmpInitializeHive(&NewHive,
 356                                Operation,
 357                                HiveFlags,
 358                                FileType,
 359                                NULL,
 360                                FileHandle,
 361                                LogHandle,
 362                                NULL,
 363                                HiveName,
 364                                CheckFlags);
 365     if (!NT_SUCCESS(Status))
 366     {
 367         /* Fail */
 368         ZwClose(FileHandle);
 369         if (LogHandle) ZwClose(LogHandle);
 370         return Status;
 371     }
 372
 373     /* Success, return hive */
 374     *Hive = NewHive;
 375
 376     /* Duplicate the hive name */
 377     NewHive->FileFullPath.Buffer = ExAllocatePoolWithTag(PagedPool,
 378                                                          HiveName->Length,
 379                                                          TAG_CM);
 380     if (NewHive->FileFullPath.Buffer)
 381     {
 382         /* Copy the string */
 383         RtlCopyMemory(NewHive->FileFullPath.Buffer,
 384                       HiveName->Buffer,
 385                       HiveName->Length);
 386         NewHive->FileFullPath.Length = HiveName->Length;
 387         NewHive->FileFullPath.MaximumLength = HiveName->Length;
 388     }
 389
 390     /* Return success */
 391     return STATUS_SUCCESS;
 392 }
 393
 394 NTSTATUS
 395 NTAPI
 396 INIT_FUNCTION
 397 CmpSetSystemValues(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 398 {
 399     OBJECT_ATTRIBUTES ObjectAttributes;
 400     UNICODE_STRING KeyName, ValueName = { 0, 0, NULL };
 401     HANDLE KeyHandle = NULL;
 402     NTSTATUS Status;
 403     ASSERT(LoaderBlock != NULL);
 404
 405     /* Setup attributes for loader options */
 406     RtlInitUnicodeString(&KeyName,
 407                          L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\"
 408                          L"Control");
 409     InitializeObjectAttributes(&ObjectAttributes,
 410                                &KeyName,
 411                                OBJ_CASE_INSENSITIVE,
 412                                NULL,
 413                                NULL);
 414     Status = NtOpenKey(&KeyHandle, KEY_WRITE, &ObjectAttributes);
 415     if (!NT_SUCCESS(Status)) goto Quickie;
 416
 417     /* Key opened, now write to the key */
 418     RtlInitUnicodeString(&KeyName, L"SystemStartOptions");
 419     Status = NtSetValueKey(KeyHandle,
 420                            &KeyName,
 421                            0,
 422                            REG_SZ,
 423                            CmpLoadOptions.Buffer,
 424                            CmpLoadOptions.Length);
 425     if (!NT_SUCCESS(Status)) goto Quickie;
 426
 427     /* Setup value name for system boot device in ARC format */
 428     RtlInitUnicodeString(&KeyName, L"SystemBootDevice");
 429     RtlCreateUnicodeStringFromAsciiz(&ValueName, LoaderBlock->ArcBootDeviceName);
 430     Status = NtSetValueKey(KeyHandle,
 431                            &KeyName,
 432                            0,
 433                            REG_SZ,
 434                            ValueName.Buffer,
 435                            ValueName.Length);
 436
 437 Quickie:
 438     /* Free the buffers */
 439     RtlFreeUnicodeString(&ValueName);
 440
 441     /* Close the key and return */
 442     if (KeyHandle) NtClose(KeyHandle);
 443
 444     /* Return the status */
 445     return (ExpInTextModeSetup ? STATUS_SUCCESS : Status);
 446 }
 447
 448 static
 449 NTSTATUS
 450 INIT_FUNCTION
 451 CmpCreateHardwareProfile(HANDLE ControlSetHandle)
 452 {
 453     OBJECT_ATTRIBUTES ObjectAttributes;
 454     UNICODE_STRING KeyName;
 455     HANDLE ProfilesHandle = NULL;
 456     HANDLE ProfileHandle = NULL;
 457     ULONG Disposition;
 458     NTSTATUS Status;
 459
 460     DPRINT("CmpCreateHardwareProfile()\n");
 461
 462     /* Create the Hardware Profiles key */
 463     RtlInitUnicodeString(&KeyName, L"Hardware Profiles");
 464     InitializeObjectAttributes(&ObjectAttributes,
 465                                &KeyName,
 466                                OBJ_CASE_INSENSITIVE,
 467                                ControlSetHandle,
 468                                NULL);
 469     Status = NtCreateKey(&ProfilesHandle,
 470                          KEY_ALL_ACCESS,
 471                          &ObjectAttributes,
 472                          0,
 473                          NULL,
 474                          0,
 475                          &Disposition);
 476     if (!NT_SUCCESS(Status))
 477     {
 478         DPRINT1("Creating the Hardware Profile key failed\n");
 479         goto done;
 480     }
 481
 482     /* Sanity check */
 483     ASSERT(Disposition == REG_CREATED_NEW_KEY);
 484
 485     /* Create the 0000 key */
 486     RtlInitUnicodeString(&KeyName, L"0000");
 487     InitializeObjectAttributes(&ObjectAttributes,
 488                                &KeyName,
 489                                OBJ_CASE_INSENSITIVE,
 490                                ProfilesHandle,
 491                                NULL);
 492     Status = NtCreateKey(&ProfileHandle,
 493                          KEY_ALL_ACCESS,
 494                          &ObjectAttributes,
 495                          0,
 496                          NULL,
 497                          0,
 498                          &Disposition);
 499     if (!NT_SUCCESS(Status))
 500     {
 501         DPRINT1("Creating the Hardware Profile\\0000 key failed\n");
 502         goto done;
 503     }
 504
 505     /* Sanity check */
 506     ASSERT(Disposition == REG_CREATED_NEW_KEY);
 507
 508 done:
 509     if (ProfilesHandle)
 510         NtClose(ProfilesHandle);
 511
 512     if (ProfileHandle)
 513         NtClose(ProfileHandle);
 514
 515     DPRINT("CmpCreateHardwareProfile() done\n");
 516
 517     return Status;
 518 }
 519
 520 NTSTATUS
 521 NTAPI
 522 INIT_FUNCTION
 523 CmpCreateControlSet(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 524 {
 525     UNICODE_STRING ConfigName = RTL_CONSTANT_STRING(L"Control\\IDConfigDB");
 526     UNICODE_STRING SelectName =
 527         RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\Select");
 528     UNICODE_STRING KeyName;
 529     OBJECT_ATTRIBUTES ObjectAttributes;
 530     CHAR ValueInfoBuffer[128];
 531     PKEY_VALUE_FULL_INFORMATION ValueInfo;
 532     WCHAR UnicodeBuffer[128];
 533     HANDLE SelectHandle, KeyHandle, ConfigHandle = NULL, ProfileHandle = NULL;
 534     HANDLE ParentHandle = NULL;
 535     ULONG ControlSet, HwProfile;
 536     NTSTATUS Status;
 537     ULONG ResultLength, Disposition;
 538     PLOADER_PARAMETER_EXTENSION LoaderExtension;
 539     PAGED_CODE();
 540
 541     /* Open the select key */
 542     InitializeObjectAttributes(&ObjectAttributes,
 543                                &SelectName,
 544                                OBJ_CASE_INSENSITIVE,
 545                                NULL,
 546                                NULL);
 547     Status = NtOpenKey(&SelectHandle, KEY_READ, &ObjectAttributes);
 548     if (!NT_SUCCESS(Status))
 549     {
 550         /* ReactOS Hack: Hard-code current to 001 for SetupLdr */
 551         if (!LoaderBlock->RegistryBase)
 552         {
 553             /* Build the ControlSet001 key */
 554             RtlInitUnicodeString(&KeyName,
 555                                  L"\\Registry\\Machine\\System\\ControlSet001");
 556             InitializeObjectAttributes(&ObjectAttributes,
 557                                        &KeyName,
 558                                        OBJ_CASE_INSENSITIVE,
 559                                        NULL,
 560                                        NULL);
 561             Status = NtCreateKey(&KeyHandle,
 562                                  KEY_ALL_ACCESS,
 563                                  &ObjectAttributes,
 564                                  0,
 565                                  NULL,
 566                                  0,
 567                                  &Disposition);
 568             if (!NT_SUCCESS(Status)) return Status;
 569
 570             /* Create the Hardware Profile keys */
 571             Status = CmpCreateHardwareProfile(KeyHandle);
 572             if (!NT_SUCCESS(Status))
 573                 return Status;
 574
 575             /* Don't need the handle */
 576             ZwClose(KeyHandle);
 577
 578             /* Use hard-coded setting */
 579             ControlSet = 1;
 580             goto UseSet;
 581         }
 582
 583         /* Fail for real boots */
 584         return Status;
 585     }
 586
 587     /* Open the current value */
 588     RtlInitUnicodeString(&KeyName, L"Current");
 589     Status = NtQueryValueKey(SelectHandle,
 590                              &KeyName,
 591                              KeyValueFullInformation,
 592                              ValueInfoBuffer,
 593                              sizeof(ValueInfoBuffer),
 594                              &ResultLength);
 595     NtClose(SelectHandle);
 596     if (!NT_SUCCESS(Status)) return Status;
 597
 598     /* Get the actual value pointer, and get the control set ID */
 599     ValueInfo = (PKEY_VALUE_FULL_INFORMATION)ValueInfoBuffer;
 600     ControlSet = *(PULONG)((PUCHAR)ValueInfo + ValueInfo->DataOffset);
 601
 602     /* Create the current control set key */
 603 UseSet:
 604     RtlInitUnicodeString(&KeyName,
 605                          L"\\Registry\\Machine\\System\\CurrentControlSet");
 606     InitializeObjectAttributes(&ObjectAttributes,
 607                                &KeyName,
 608                                OBJ_CASE_INSENSITIVE,
 609                                NULL,
 610                                NULL);
 611     Status = NtCreateKey(&KeyHandle,
 612                          KEY_CREATE_LINK,
 613                          &ObjectAttributes,
 614                          0,
 615                          NULL,
 616                          REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
 617                          &Disposition);
 618     if (!NT_SUCCESS(Status)) return Status;
 619
 620     /* Sanity check */
 621     ASSERT(Disposition == REG_CREATED_NEW_KEY);
 622
 623     /* Initialize the target link name */
 624     RtlStringCbPrintfW(UnicodeBuffer, sizeof(UnicodeBuffer),
 625                        L"\\Registry\\Machine\\System\\ControlSet%03ld",
 626                        ControlSet);
 627     RtlInitUnicodeString(&KeyName, UnicodeBuffer);
 628
 629     /* Set the value */
 630     Status = NtSetValueKey(KeyHandle,
 631                            &CmSymbolicLinkValueName,
 632                            0,
 633                            REG_LINK,
 634                            KeyName.Buffer,
 635                            KeyName.Length);
 636     if (!NT_SUCCESS(Status)) return Status;
 637
 638     /* Get the configuration database key */
 639     InitializeObjectAttributes(&ObjectAttributes,
 640                                &ConfigName,
 641                                OBJ_CASE_INSENSITIVE,
 642                                KeyHandle,
 643                                NULL);
 644     Status = NtOpenKey(&ConfigHandle, KEY_READ, &ObjectAttributes);
 645     NtClose(KeyHandle);
 646
 647     /* Check if we don't have one */
 648     if (!NT_SUCCESS(Status))
 649     {
 650         /* Cleanup and exit */
 651         ConfigHandle = NULL;
 652         goto Cleanup;
 653     }
 654
 655     /* ReactOS Hack: Hard-code current to 001 for SetupLdr */
 656     if (!LoaderBlock->RegistryBase)
 657     {
 658         HwProfile = 0;
 659     }
 660     else
 661     {
 662         /* Now get the current config */
 663         RtlInitUnicodeString(&KeyName, L"CurrentConfig");
 664         Status = NtQueryValueKey(ConfigHandle,
 665                                  &KeyName,
 666                                  KeyValueFullInformation,
 667                                  ValueInfoBuffer,
 668                                  sizeof(ValueInfoBuffer),
 669                                  &ResultLength);
 670
 671         /* Set pointer to buffer */
 672         ValueInfo = (PKEY_VALUE_FULL_INFORMATION)ValueInfoBuffer;
 673
 674         /* Check if we failed or got a non DWORD-value */
 675         if (!(NT_SUCCESS(Status)) || (ValueInfo->Type != REG_DWORD)) goto Cleanup;
 676
 677         /* Get the hadware profile */
 678         HwProfile = *(PULONG)((PUCHAR)ValueInfo + ValueInfo->DataOffset);
 679     }
 680
 681     /* Open the hardware profile key */
 682     RtlInitUnicodeString(&KeyName,
 683                          L"\\Registry\\Machine\\System\\CurrentControlSet"
 684                          L"\\Hardware Profiles");
 685     InitializeObjectAttributes(&ObjectAttributes,
 686                                &KeyName,
 687                                OBJ_CASE_INSENSITIVE,
 688                                NULL,
 689                                NULL);
 690     Status = NtOpenKey(&ParentHandle, KEY_READ, &ObjectAttributes);
 691     if (!NT_SUCCESS(Status))
 692     {
 693         /* Exit and clean up */
 694         ParentHandle = NULL;
 695         goto Cleanup;
 696     }
 697
 698     /* Build the profile name */
 699     RtlStringCbPrintfW(UnicodeBuffer, sizeof(UnicodeBuffer),
 700                        L"%04ld", HwProfile);
 701     RtlInitUnicodeString(&KeyName, UnicodeBuffer);
 702
 703     /* Open the associated key */
 704     InitializeObjectAttributes(&ObjectAttributes,
 705                                &KeyName,
 706                                OBJ_CASE_INSENSITIVE,
 707                                ParentHandle,
 708                                NULL);
 709     Status = NtOpenKey(&ProfileHandle,
 710                        KEY_READ | KEY_WRITE,
 711                        &ObjectAttributes);
 712     if (!NT_SUCCESS (Status))
 713     {
 714         /* Cleanup and exit */
 715         ProfileHandle = 0;
 716         goto Cleanup;
 717     }
 718
 719     /* Check if we have a loader block extension */
 720     LoaderExtension = LoaderBlock->Extension;
 721     if (LoaderExtension)
 722     {
 723         DPRINT("ReactOS doesn't support NTLDR Profiles yet!\n");
 724     }
 725
 726     /* Create the current hardware profile key */
 727     RtlInitUnicodeString(&KeyName,
 728                          L"\\Registry\\Machine\\System\\CurrentControlSet\\"
 729                          L"Hardware Profiles\\Current");
 730     InitializeObjectAttributes(&ObjectAttributes,
 731                                &KeyName,
 732                                OBJ_CASE_INSENSITIVE,
 733                                NULL,
 734                                NULL);
 735     Status = NtCreateKey(&KeyHandle,
 736                          KEY_CREATE_LINK,
 737                          &ObjectAttributes,
 738                          0,
 739                          NULL,
 740                          REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
 741                          &Disposition);
 742     if (NT_SUCCESS(Status))
 743     {
 744         /* Sanity check */
 745         ASSERT(Disposition == REG_CREATED_NEW_KEY);
 746
 747         /* Create the profile name */
 748         RtlStringCbPrintfW(UnicodeBuffer, sizeof(UnicodeBuffer),
 749                            L"\\Registry\\Machine\\System\\CurrentControlSet\\"
 750                            L"Hardware Profiles\\%04ld",
 751                            HwProfile);
 752         RtlInitUnicodeString(&KeyName, UnicodeBuffer);
 753
 754         /* Set it */
 755         Status = NtSetValueKey(KeyHandle,
 756                                &CmSymbolicLinkValueName,
 757                                0,
 758                                REG_LINK,
 759                                KeyName.Buffer,
 760                                KeyName.Length);
 761         NtClose(KeyHandle);
 762     }
 763
 764     /* Close every opened handle */
 765 Cleanup:
 766     if (ConfigHandle) NtClose(ConfigHandle);
 767     if (ProfileHandle) NtClose(ProfileHandle);
 768     if (ParentHandle) NtClose(ParentHandle);
 769
 770     DPRINT("CmpCreateControlSet() done\n");
 771
 772     /* Return success */
 773     return STATUS_SUCCESS;
 774 }
 775
 776 NTSTATUS
 777 NTAPI
 778 CmpLinkHiveToMaster(IN PUNICODE_STRING LinkName,
 779                     IN HANDLE RootDirectory,
 780                     IN PCMHIVE RegistryHive,
 781                     IN BOOLEAN Allocate,
 782                     IN PSECURITY_DESCRIPTOR SecurityDescriptor)
 783 {
 784     OBJECT_ATTRIBUTES ObjectAttributes;
 785     NTSTATUS Status;
 786     CM_PARSE_CONTEXT ParseContext = {0};
 787     HANDLE KeyHandle;
 788     PCM_KEY_BODY KeyBody;
 789     PAGED_CODE();
 790
 791     /* Setup the object attributes */
 792     InitializeObjectAttributes(&ObjectAttributes,
 793                                LinkName,
 794                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
 795                                RootDirectory,
 796                                SecurityDescriptor);
 797
 798     /* Setup the parse context */
 799     ParseContext.CreateLink = TRUE;
 800     ParseContext.CreateOperation = TRUE;
 801     ParseContext.ChildHive.KeyHive = &RegistryHive->Hive;
 802
 803     /* Check if we have a root keycell or if we need to create it */
 804     if (Allocate)
 805     {
 806         /* Create it */
 807         ParseContext.ChildHive.KeyCell = HCELL_NIL;
 808     }
 809     else
 810     {
 811         /* We have one */
 812         ParseContext.ChildHive.KeyCell = RegistryHive->Hive.BaseBlock->RootCell;
 813     }
 814
 815     /* Create the link node */
 816     Status = ObOpenObjectByName(&ObjectAttributes,
 817                                 CmpKeyObjectType,
 818                                 KernelMode,
 819                                 NULL,
 820                                 KEY_READ | KEY_WRITE,
 821                                 (PVOID)&ParseContext,
 822                                 &KeyHandle);
 823     if (!NT_SUCCESS(Status)) return Status;
 824
 825     /* Mark the hive as clean */
 826     RegistryHive->Hive.DirtyFlag = FALSE;
 827
 828     /* ReactOS Hack: Keep alive */
 829     Status = ObReferenceObjectByHandle(KeyHandle,
 830                                        0,
 831                                        CmpKeyObjectType,
 832                                        KernelMode,
 833                                        (PVOID*)&KeyBody,
 834                                        NULL);
 835     ASSERT(NT_SUCCESS(Status));
 836
 837     /* Close the extra handle */
 838     ZwClose(KeyHandle);
 839     return STATUS_SUCCESS;
 840 }
 841
 842 BOOLEAN
 843 NTAPI
 844 INIT_FUNCTION
 845 CmpInitializeSystemHive(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 846 {
 847     PVOID HiveBase;
 848     ANSI_STRING LoadString;
 849     PVOID Buffer;
 850     ULONG Length;
 851     NTSTATUS Status;
 852     BOOLEAN Allocate;
 853     UNICODE_STRING KeyName;
 854     PCMHIVE SystemHive = NULL;
 855     UNICODE_STRING HiveName = RTL_CONSTANT_STRING(L"SYSTEM");
 856     PSECURITY_DESCRIPTOR SecurityDescriptor;
 857     PAGED_CODE();
 858
 859     /* Setup the ansi string */
 860     RtlInitAnsiString(&LoadString, LoaderBlock->LoadOptions);
 861
 862     /* Allocate the unicode buffer */
 863     Length = LoadString.Length * sizeof(WCHAR) + sizeof(UNICODE_NULL);
 864     Buffer = ExAllocatePoolWithTag(PagedPool, Length, TAG_CM);
 865     if (!Buffer)
 866     {
 867         /* Fail */
 868         KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 3, 1, (ULONG_PTR)LoaderBlock, 0);
 869     }
 870
 871     /* Setup the unicode string */
 872     RtlInitEmptyUnicodeString(&CmpLoadOptions, Buffer, (USHORT)Length);
 873
 874     /* Add the load options and null-terminate */
 875     RtlAnsiStringToUnicodeString(&CmpLoadOptions, &LoadString, FALSE);
 876     CmpLoadOptions.Buffer[LoadString.Length] = UNICODE_NULL;
 877     CmpLoadOptions.Length += sizeof(WCHAR);
 878
 879     /* Get the System Hive base address */
 880     HiveBase = LoaderBlock->RegistryBase;
 881     if (HiveBase)
 882     {
 883         /* Import it */
 884         Status = CmpInitializeHive(&SystemHive,
 885                                    HINIT_MEMORY,
 886                                    HIVE_NOLAZYFLUSH,
 887                                    HFILE_TYPE_LOG,
 888                                    HiveBase,
 889                                    NULL,
 890                                    NULL,
 891                                    NULL,
 892                                    &HiveName,
 893                                    2);
 894         if (!NT_SUCCESS(Status)) return FALSE;
 895
 896         /* Set the hive filename */
 897         RtlCreateUnicodeString(&SystemHive->FileFullPath,
 898                                L"\\SystemRoot\\System32\\Config\\SYSTEM");
 899
 900         /* We imported, no need to create a new hive */
 901         Allocate = FALSE;
 902
 903         /* Manually set the hive as volatile, if in LiveCD mode */
 904         if (CmpShareSystemHives) SystemHive->Hive.HiveFlags = HIVE_VOLATILE;
 905     }
 906     else
 907     {
 908         /* Create it */
 909         Status = CmpInitializeHive(&SystemHive,
 910                                    HINIT_CREATE,
 911                                    HIVE_NOLAZYFLUSH,
 912                                    HFILE_TYPE_LOG,
 913                                    NULL,
 914                                    NULL,
 915                                    NULL,
 916                                    NULL,
 917                                    &HiveName,
 918                                    0);
 919         if (!NT_SUCCESS(Status)) return FALSE;
 920
 921         /* Set the hive filename */
 922         RtlCreateUnicodeString(&SystemHive->FileFullPath,
 923                                L"\\SystemRoot\\System32\\Config\\SYSTEM");
 924
 925         /* Tell CmpLinkHiveToMaster to allocate a hive */
 926         Allocate = TRUE;
 927     }
 928
 929     /* Save the boot type */
 930     CmpBootType = SystemHive->Hive.BaseBlock->BootType;
 931
 932     /* Are we in self-healing mode? */
 933     if (!CmSelfHeal)
 934     {
 935         /* Disable self-healing internally and check if boot type wanted it */
 936         CmpSelfHeal = FALSE;
 937         if (CmpBootType & 4)
 938         {
 939             /* We're disabled, so bugcheck */
 940             KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO,
 941                          3,
 942                          3,
 943                          (ULONG_PTR)SystemHive,
 944                          0);
 945         }
 946     }
 947
 948     /* Create the default security descriptor */
 949     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
 950
 951     /* Attach it to the system key */
 952     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\SYSTEM");
 953     Status = CmpLinkHiveToMaster(&KeyName,
 954                                  NULL,
 955                                  SystemHive,
 956                                  Allocate,
 957                                  SecurityDescriptor);
 958
 959     /* Free the security descriptor */
 960     ExFreePoolWithTag(SecurityDescriptor, TAG_CMSD);
 961     if (!NT_SUCCESS(Status)) return FALSE;
 962
 963     /* Add the hive to the hive list */
 964     CmpMachineHiveList[3].CmHive = SystemHive;
 965
 966     /* Success! */
 967     return TRUE;
 968 }
 969
 970 NTSTATUS
 971 NTAPI
 972 INIT_FUNCTION
 973 CmpCreateObjectTypes(VOID)
 974 {
 975     OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
 976     UNICODE_STRING Name;
 977     GENERIC_MAPPING CmpKeyMapping = {KEY_READ,
 978                                      KEY_WRITE,
 979                                      KEY_EXECUTE,
 980                                      KEY_ALL_ACCESS};
 981     PAGED_CODE();
 982
 983     /* Initialize the Key object type */
 984     RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
 985     RtlInitUnicodeString(&Name, L"Key");
 986     ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
 987     ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(CM_KEY_BODY);
 988     ObjectTypeInitializer.GenericMapping = CmpKeyMapping;
 989     ObjectTypeInitializer.PoolType = PagedPool;
 990     ObjectTypeInitializer.ValidAccessMask = KEY_ALL_ACCESS;
 991     ObjectTypeInitializer.UseDefaultObject = TRUE;
 992     ObjectTypeInitializer.DeleteProcedure = CmpDeleteKeyObject;
 993     ObjectTypeInitializer.ParseProcedure = CmpParseKey;
 994     ObjectTypeInitializer.SecurityProcedure = CmpSecurityMethod;
 995     ObjectTypeInitializer.QueryNameProcedure = CmpQueryKeyName;
 996     ObjectTypeInitializer.CloseProcedure = CmpCloseKeyObject;
 997     ObjectTypeInitializer.SecurityRequired = TRUE;
 998     ObjectTypeInitializer.InvalidAttributes = OBJ_EXCLUSIVE | OBJ_PERMANENT;
 999
1000     /* Create it */
1001     return ObCreateObjectType(&Name, &ObjectTypeInitializer, NULL, &CmpKeyObjectType);
1002 }
1003
1004 BOOLEAN
1005 NTAPI
1006 INIT_FUNCTION
1007 CmpCreateRootNode(IN PHHIVE Hive,
1008                   IN PCWSTR Name,
1009                   OUT PHCELL_INDEX Index)
1010 {
1011     UNICODE_STRING KeyName;
1012     PCM_KEY_NODE KeyCell;
1013     PAGED_CODE();
1014
1015     /* Initialize the node name and allocate it */
1016     RtlInitUnicodeString(&KeyName, Name);
1017     *Index = HvAllocateCell(Hive,
1018                             FIELD_OFFSET(CM_KEY_NODE, Name) +
1019                             CmpNameSize(Hive, &KeyName),
1020                             Stable,
1021                             HCELL_NIL);
1022     if (*Index == HCELL_NIL) return FALSE;
1023
1024     /* Set the cell index and get the data */
1025     Hive->BaseBlock->RootCell = *Index;
1026     KeyCell = (PCM_KEY_NODE)HvGetCell(Hive, *Index);
1027     if (!KeyCell) return FALSE;
1028
1029     /* Setup the cell */
1030     KeyCell->Signature = CM_KEY_NODE_SIGNATURE;
1031     KeyCell->Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
1032     KeQuerySystemTime(&KeyCell->LastWriteTime);
1033     KeyCell->Parent = HCELL_NIL;
1034     KeyCell->SubKeyCounts[Stable] = 0;
1035     KeyCell->SubKeyCounts[Volatile] = 0;
1036     KeyCell->SubKeyLists[Stable] = HCELL_NIL;
1037     KeyCell->SubKeyLists[Volatile] = HCELL_NIL;
1038     KeyCell->ValueList.Count = 0;
1039     KeyCell->ValueList.List = HCELL_NIL;
1040     KeyCell->Security = HCELL_NIL;
1041     KeyCell->Class = HCELL_NIL;
1042     KeyCell->ClassLength = 0;
1043     KeyCell->MaxNameLen = 0;
1044     KeyCell->MaxClassLen = 0;
1045     KeyCell->MaxValueNameLen = 0;
1046     KeyCell->MaxValueDataLen = 0;
1047
1048     /* Copy the name (this will also set the length) */
1049     KeyCell->NameLength = CmpCopyName(Hive, KeyCell->Name, &KeyName);
1050
1051     /* Check if the name was compressed and set the flag if so */
1052     if (KeyCell->NameLength < KeyName.Length)
1053         KeyCell->Flags |= KEY_COMP_NAME;
1054
1055     /* Return success */
1056     HvReleaseCell(Hive, *Index);
1057     return TRUE;
1058 }
1059
1060 BOOLEAN
1061 NTAPI
1062 INIT_FUNCTION
1063 CmpCreateRegistryRoot(VOID)
1064 {
1065     UNICODE_STRING KeyName;
1066     OBJECT_ATTRIBUTES ObjectAttributes;
1067     PCM_KEY_BODY RootKey;
1068     HCELL_INDEX RootIndex;
1069     NTSTATUS Status;
1070     PCM_KEY_NODE KeyCell;
1071     PSECURITY_DESCRIPTOR SecurityDescriptor;
1072     PCM_KEY_CONTROL_BLOCK Kcb;
1073     PAGED_CODE();
1074
1075     /* Setup the root node */
1076     if (!CmpCreateRootNode(&CmiVolatileHive->Hive, L"REGISTRY", &RootIndex))
1077     {
1078         /* We failed */
1079         return FALSE;
1080     }
1081
1082     /* Create '\Registry' key. */
1083     RtlInitUnicodeString(&KeyName, L"\\REGISTRY");
1084     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1085     InitializeObjectAttributes(&ObjectAttributes,
1086                                &KeyName,
1087                                OBJ_CASE_INSENSITIVE,
1088                                NULL,
1089                                SecurityDescriptor);
1090     Status = ObCreateObject(KernelMode,
1091                             CmpKeyObjectType,
1092                             &ObjectAttributes,
1093                             KernelMode,
1094                             NULL,
1095                             sizeof(CM_KEY_BODY),
1096                             0,
1097                             0,
1098                             (PVOID*)&RootKey);
1099     ExFreePoolWithTag(SecurityDescriptor, TAG_CMSD);
1100     if (!NT_SUCCESS(Status)) return FALSE;
1101
1102     /* Sanity check, and get the key cell */
1103     ASSERT((&CmiVolatileHive->Hive)->ReleaseCellRoutine == NULL);
1104     KeyCell = (PCM_KEY_NODE)HvGetCell(&CmiVolatileHive->Hive, RootIndex);
1105     if (!KeyCell) return FALSE;
1106
1107     /* Create the KCB */
1108     RtlInitUnicodeString(&KeyName, L"\\REGISTRY");
1109     Kcb = CmpCreateKeyControlBlock(&CmiVolatileHive->Hive,
1110                                    RootIndex,
1111                                    KeyCell,
1112                                    NULL,
1113                                    0,
1114                                    &KeyName);
1115     if (!Kcb)
1116     {
1117         ObDereferenceObject(RootKey);
1118         return FALSE;
1119     }
1120
1121     /* Initialize the object */
1122     RootKey->KeyControlBlock = Kcb;
1123     RootKey->Type = CM_KEY_BODY_TYPE;
1124     RootKey->NotifyBlock = NULL;
1125     RootKey->ProcessID = PsGetCurrentProcessId();
1126
1127     /* Link with KCB */
1128     EnlistKeyBodyWithKCB(RootKey, 0);
1129
1130     /* Insert the key into the namespace */
1131     Status = ObInsertObject(RootKey,
1132                             NULL,
1133                             KEY_ALL_ACCESS,
1134                             0,
1135                             NULL,
1136                             &CmpRegistryRootHandle);
1137     if (!NT_SUCCESS(Status))
1138     {
1139         ObDereferenceObject(RootKey);
1140         return FALSE;
1141     }
1142
1143     /* Reference the key again so that we never lose it */
1144     Status = ObReferenceObjectByHandle(CmpRegistryRootHandle,
1145                                        KEY_READ,
1146                                        NULL,
1147                                        KernelMode,
1148                                        (PVOID*)&RootKey,
1149                                        NULL);
1150     if (!NT_SUCCESS(Status))
1151     {
1152         ObDereferenceObject(RootKey);
1153         return FALSE;
1154     }
1155
1156     /* Completely sucessful */
1157     return TRUE;
1158 }
1159
1160 NTSTATUS
1161 NTAPI
1162 CmpGetRegistryPath(OUT PWCHAR ConfigPath)
1163 {
1164     OBJECT_ATTRIBUTES ObjectAttributes;
1165     NTSTATUS Status;
1166     HANDLE KeyHandle;
1167     PKEY_VALUE_PARTIAL_INFORMATION ValueInfo;
1168     UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\HARDWARE");
1169     UNICODE_STRING ValueName = RTL_CONSTANT_STRING(L"InstallPath");
1170     ULONG BufferSize, ResultSize;
1171
1172     /* Check if we are booted in setup */
1173     if (ExpInTextModeSetup)
1174     {
1175         DPRINT1("CmpGetRegistryPath TextMode setup HACK!!\n");
1176
1177         /* Setup the object attributes */
1178         InitializeObjectAttributes(&ObjectAttributes,
1179                                    &KeyName,
1180                                    OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
1181                                    NULL,
1182                                    NULL);
1183         /* Open the key */
1184         Status =  ZwOpenKey(&KeyHandle,
1185                             KEY_ALL_ACCESS,
1186                             &ObjectAttributes);
1187         if (!NT_SUCCESS(Status)) return Status;
1188
1189         /* Allocate the buffer */
1190         BufferSize = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 4096;
1191         ValueInfo = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_CM);
1192         if (!ValueInfo)
1193         {
1194             /* Fail */
1195             ZwClose(KeyHandle);
1196             return STATUS_INSUFFICIENT_RESOURCES;
1197         }
1198
1199         /* Query the value */
1200         Status = ZwQueryValueKey(KeyHandle,
1201                                  &ValueName,
1202                                  KeyValuePartialInformation,
1203                                  ValueInfo,
1204                                  BufferSize,
1205                                  &ResultSize);
1206         ZwClose(KeyHandle);
1207         if (!NT_SUCCESS(Status))
1208         {
1209             /* Fail */
1210             ExFreePoolWithTag(ValueInfo, TAG_CM);
1211             return Status;
1212         }
1213
1214         /* Copy the config path and null-terminate it */
1215         RtlCopyMemory(ConfigPath,
1216                       ValueInfo->Data,
1217                       ValueInfo->DataLength);
1218         ConfigPath[ValueInfo->DataLength / sizeof(WCHAR)] = UNICODE_NULL;
1219         ExFreePoolWithTag(ValueInfo, TAG_CM);
1220     }
1221     else
1222     {
1223         /* Just use default path */
1224         wcscpy(ConfigPath, L"\\SystemRoot");
1225     }
1226
1227     /* Add registry path */
1228     wcscat(ConfigPath, L"\\System32\\Config\\");
1229
1230     DPRINT1("CmpGetRegistryPath: ConfigPath = '%S'\n", ConfigPath);
1231
1232     /* Done */
1233     return STATUS_SUCCESS;
1234 }
1235
1236 VOID
1237 NTAPI
1238 CmpLoadHiveThread(IN PVOID StartContext)
1239 {
1240     WCHAR FileBuffer[MAX_PATH], RegBuffer[MAX_PATH], ConfigPath[MAX_PATH];
1241     UNICODE_STRING TempName, FileName, RegName;
1242     ULONG i, ErrorResponse, WorkerCount, Length;
1243     USHORT FileStart;
1244     ULONG PrimaryDisposition, SecondaryDisposition, ClusterSize;
1245     PCMHIVE CmHive;
1246     HANDLE PrimaryHandle = NULL, LogHandle = NULL;
1247     NTSTATUS Status = STATUS_SUCCESS;
1248     PVOID ErrorParameters;
1249     PAGED_CODE();
1250
1251     /* Get the hive index, make sure it makes sense */
1252     i = PtrToUlong(StartContext);
1253     ASSERT(CmpMachineHiveList[i].Name != NULL);
1254
1255     /* We were started */
1256     CmpMachineHiveList[i].ThreadStarted = TRUE;
1257
1258     /* Build the file name and registry name strings */
1259     RtlInitEmptyUnicodeString(&FileName, FileBuffer, sizeof(FileBuffer));
1260     RtlInitEmptyUnicodeString(&RegName, RegBuffer, sizeof(RegBuffer));
1261
1262     /* Now build the system root path */
1263     CmpGetRegistryPath(ConfigPath);
1264     RtlInitUnicodeString(&TempName, ConfigPath);
1265     RtlAppendUnicodeStringToString(&FileName, &TempName);
1266     FileStart = FileName.Length;
1267
1268     /* And build the registry root path */
1269     RtlInitUnicodeString(&TempName, L"\\REGISTRY\\");
1270     RtlAppendUnicodeStringToString(&RegName, &TempName);
1271
1272     /* Build the base name */
1273     RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].BaseName);
1274     RtlAppendUnicodeStringToString(&RegName, &TempName);
1275
1276     /* Check if this is a child of the root */
1277     if (RegName.Buffer[RegName.Length / sizeof(WCHAR) - 1] == OBJ_NAME_PATH_SEPARATOR)
1278     {
1279         /* Then setup the whole name */
1280         RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1281         RtlAppendUnicodeStringToString(&RegName, &TempName);
1282     }
1283
1284     /* Now add the rest of the file name */
1285     RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1286     FileName.Length = FileStart;
1287     RtlAppendUnicodeStringToString(&FileName, &TempName);
1288     if (!CmpMachineHiveList[i].CmHive)
1289     {
1290         /* We need to allocate a new hive structure */
1291         CmpMachineHiveList[i].Allocate = TRUE;
1292
1293         /* Load the hive file */
1294         Status = CmpInitHiveFromFile(&FileName,
1295                                      CmpMachineHiveList[i].HHiveFlags,
1296                                      &CmHive,
1297                                      &CmpMachineHiveList[i].Allocate,
1298                                      0);
1299         if (!(NT_SUCCESS(Status)) ||
1300             (!(CmHive->FileHandles[HFILE_TYPE_LOG]) && !(CmpMiniNTBoot))) // HACK
1301         {
1302             /* We failed or couldn't get a log file, raise a hard error */
1303             ErrorParameters = &FileName;
1304             NtRaiseHardError(STATUS_CANNOT_LOAD_REGISTRY_FILE,
1305                              1,
1306                              1,
1307                              (PULONG_PTR)&ErrorParameters,
1308                              OptionOk,
1309                              &ErrorResponse);
1310         }
1311
1312         /* Set the hive flags and newly allocated hive pointer */
1313         CmHive->Flags = CmpMachineHiveList[i].CmHiveFlags;
1314         CmpMachineHiveList[i].CmHive2 = CmHive;
1315     }
1316     else
1317     {
1318         /* We already have a hive, is it volatile? */
1319         CmHive = CmpMachineHiveList[i].CmHive;
1320         if (!(CmHive->Hive.HiveFlags & HIVE_VOLATILE))
1321         {
1322             /* It's now, open the hive file and log */
1323             Status = CmpOpenHiveFiles(&FileName,
1324                                       L".LOG",
1325                                       &PrimaryHandle,
1326                                       &LogHandle,
1327                                       &PrimaryDisposition,
1328                                       &SecondaryDisposition,
1329                                       TRUE,
1330                                       TRUE,
1331                                       FALSE,
1332                                       &ClusterSize);
1333             if (!(NT_SUCCESS(Status)) || !(LogHandle))
1334             {
1335                 /* Couldn't open the hive or its log file, raise a hard error */
1336                 ErrorParameters = &FileName;
1337                 NtRaiseHardError(STATUS_CANNOT_LOAD_REGISTRY_FILE,
1338                                  1,
1339                                  1,
1340                                  (PULONG_PTR)&ErrorParameters,
1341                                  OptionOk,
1342                                  &ErrorResponse);
1343
1344                 /* And bugcheck for posterity's sake */
1345                 KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 9, 0, i, Status);
1346             }
1347
1348             /* Save the file handles. This should remove our sync hacks */
1349             CmHive->FileHandles[HFILE_TYPE_LOG] = LogHandle;
1350             CmHive->FileHandles[HFILE_TYPE_PRIMARY] = PrimaryHandle;
1351
1352             /* Allow lazy flushing since the handles are there -- remove sync hacks */
1353             //ASSERT(CmHive->Hive.HiveFlags & HIVE_NOLAZYFLUSH);
1354             CmHive->Hive.HiveFlags &= ~HIVE_NOLAZYFLUSH;
1355
1356             /* Get the real size of the hive */
1357             Length = CmHive->Hive.Storage[Stable].Length + HBLOCK_SIZE;
1358
1359             /* Check if the cluster size doesn't match */
1360             if (CmHive->Hive.Cluster != ClusterSize) ASSERT(FALSE);
1361
1362             /* Set the file size */
1363             DPRINT("FIXME: Should set file size: %lx\n", Length);
1364             //if (!CmpFileSetSize((PHHIVE)CmHive, HFILE_TYPE_PRIMARY, Length, Length))
1365             {
1366                 /* This shouldn't fail */
1367                 //ASSERT(FALSE);
1368             }
1369
1370             /* Another thing we don't support is NTLDR-recovery */
1371             if (CmHive->Hive.BaseBlock->BootRecover) ASSERT(FALSE);
1372
1373             /* Finally, set our allocated hive to the same hive we've had */
1374             CmpMachineHiveList[i].CmHive2 = CmHive;
1375             ASSERT(CmpMachineHiveList[i].CmHive == CmpMachineHiveList[i].CmHive2);
1376         }
1377     }
1378
1379     /* We're done */
1380     CmpMachineHiveList[i].ThreadFinished = TRUE;
1381
1382     /* Check if we're the last worker */
1383     WorkerCount = InterlockedIncrement(&CmpLoadWorkerIncrement);
1384     if (WorkerCount == CM_NUMBER_OF_MACHINE_HIVES)
1385     {
1386         /* Signal the event */
1387         KeSetEvent(&CmpLoadWorkerEvent, 0, FALSE);
1388     }
1389
1390     /* Kill the thread */
1391     PsTerminateSystemThread(Status);
1392 }
1393
1394 VOID
1395 NTAPI
1396 CmpInitializeHiveList(IN USHORT Flag)
1397 {
1398     WCHAR FileBuffer[MAX_PATH], RegBuffer[MAX_PATH], ConfigPath[MAX_PATH];
1399     UNICODE_STRING TempName, FileName, RegName;
1400     HANDLE Thread;
1401     NTSTATUS Status;
1402     ULONG i;
1403     USHORT RegStart;
1404     PSECURITY_DESCRIPTOR SecurityDescriptor;
1405     PAGED_CODE();
1406
1407     /* Allow writing for now */
1408     CmpNoWrite = FALSE;
1409
1410     /* Build the file name and registry name strings */
1411     RtlInitEmptyUnicodeString(&FileName, FileBuffer, sizeof(FileBuffer));
1412     RtlInitEmptyUnicodeString(&RegName, RegBuffer, sizeof(RegBuffer));
1413
1414     /* Now build the system root path */
1415     CmpGetRegistryPath(ConfigPath);
1416     RtlInitUnicodeString(&TempName, ConfigPath);
1417     RtlAppendUnicodeStringToString(&FileName, &TempName);
1418
1419     /* And build the registry root path */
1420     RtlInitUnicodeString(&TempName, L"\\REGISTRY\\");
1421     RtlAppendUnicodeStringToString(&RegName, &TempName);
1422     RegStart = RegName.Length;
1423
1424     /* Setup the event to synchronize workers */
1425     KeInitializeEvent(&CmpLoadWorkerEvent, SynchronizationEvent, FALSE);
1426
1427     /* Enter special boot condition */
1428     CmpSpecialBootCondition = TRUE;
1429
1430     /* Create the SD for the root hives */
1431     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1432
1433     /* Loop every hive we care about */
1434     for (i = 0; i < CM_NUMBER_OF_MACHINE_HIVES; i++)
1435     {
1436         /* Make sure the list is set up */
1437         ASSERT(CmpMachineHiveList[i].Name != NULL);
1438
1439         /* Load the hive as volatile, if in LiveCD mode */
1440         if (CmpShareSystemHives)
1441             CmpMachineHiveList[i].HHiveFlags |= HIVE_VOLATILE;
1442
1443         /* Create a thread to handle this hive */
1444         Status = PsCreateSystemThread(&Thread,
1445                                       THREAD_ALL_ACCESS,
1446                                       NULL,
1447                                       0,
1448                                       NULL,
1449                                       CmpLoadHiveThread,
1450                                       UlongToPtr(i));
1451         if (NT_SUCCESS(Status))
1452         {
1453             /* We don't care about the handle -- the thread self-terminates */
1454             ZwClose(Thread);
1455         }
1456         else
1457         {
1458             /* Can't imagine this happening */
1459             KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 9, 3, i, Status);
1460         }
1461     }
1462
1463     /* Make sure we've reached the end of the list */
1464     ASSERT(CmpMachineHiveList[i].Name == NULL);
1465
1466     /* Wait for hive loading to finish */
1467     KeWaitForSingleObject(&CmpLoadWorkerEvent,
1468                           Executive,
1469                           KernelMode,
1470                           FALSE,
1471                           NULL);
1472
1473     /* Exit the special boot condition and make sure all workers completed */
1474     CmpSpecialBootCondition = FALSE;
1475     ASSERT(CmpLoadWorkerIncrement == CM_NUMBER_OF_MACHINE_HIVES);
1476
1477     /* Loop hives again */
1478     for (i = 0; i < CM_NUMBER_OF_MACHINE_HIVES; i++)
1479     {
1480         /* Make sure the thread ran and finished */
1481         ASSERT(CmpMachineHiveList[i].ThreadFinished == TRUE);
1482         ASSERT(CmpMachineHiveList[i].ThreadStarted == TRUE);
1483
1484         /* Check if this was a new hive */
1485         if (!CmpMachineHiveList[i].CmHive)
1486         {
1487             /* Make sure we allocated something */
1488             ASSERT(CmpMachineHiveList[i].CmHive2 != NULL);
1489
1490             /* Build the base name */
1491             RegName.Length = RegStart;
1492             RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].BaseName);
1493             RtlAppendUnicodeStringToString(&RegName, &TempName);
1494
1495             /* Check if this is a child of the root */
1496             if (RegName.Buffer[RegName.Length / sizeof(WCHAR) - 1] == OBJ_NAME_PATH_SEPARATOR)
1497             {
1498                 /* Then setup the whole name */
1499                 RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1500                 RtlAppendUnicodeStringToString(&RegName, &TempName);
1501             }
1502
1503             /* Now link the hive to its master */
1504             Status = CmpLinkHiveToMaster(&RegName,
1505                                          NULL,
1506                                          CmpMachineHiveList[i].CmHive2,
1507                                          CmpMachineHiveList[i].Allocate,
1508                                          SecurityDescriptor);
1509             if (Status != STATUS_SUCCESS)
1510             {
1511                 /* Linking needs to work */
1512                 KeBugCheckEx(CONFIG_LIST_FAILED, 11, Status, i, (ULONG_PTR)&RegName);
1513             }
1514
1515             /* Check if we had to allocate a new hive */
1516             if (CmpMachineHiveList[i].Allocate)
1517             {
1518                 /* Sync the new hive */
1519                 //HvSyncHive((PHHIVE)(CmpMachineHiveList[i].CmHive2));
1520             }
1521         }
1522
1523         /* Check if we created a new hive */
1524         if (CmpMachineHiveList[i].CmHive2)
1525         {
1526             /* Add to HiveList key */
1527             CmpAddToHiveFileList(CmpMachineHiveList[i].CmHive2);
1528         }
1529     }
1530
1531     /* Get rid of the SD */
1532     ExFreePoolWithTag(SecurityDescriptor, TAG_CMSD);
1533
1534     /* Link SECURITY to SAM */
1535     CmpLinkKeyToHive(L"\\Registry\\Machine\\Security\\SAM",
1536                      L"\\Registry\\Machine\\SAM\\SAM");
1537
1538     /* Link S-1-5-18 to .Default */
1539     CmpNoVolatileCreates = FALSE;
1540     CmpLinkKeyToHive(L"\\Registry\\User\\S-1-5-18",
1541                      L"\\Registry\\User\\.Default");
1542     CmpNoVolatileCreates = TRUE;
1543 }
1544
1545 BOOLEAN
1546 NTAPI
1547 INIT_FUNCTION
1548 CmInitSystem1(VOID)
1549 {
1550     OBJECT_ATTRIBUTES ObjectAttributes;
1551     UNICODE_STRING KeyName;
1552     HANDLE KeyHandle;
1553     NTSTATUS Status;
1554     PCMHIVE HardwareHive;
1555     PSECURITY_DESCRIPTOR SecurityDescriptor;
1556     PAGED_CODE();
1557
1558     /* Check if this is PE-boot */
1559     if (InitIsWinPEMode)
1560     {
1561         /* Set registry to PE mode */
1562         CmpMiniNTBoot = TRUE;
1563         CmpShareSystemHives = TRUE;
1564     }
1565
1566     /* Initialize the hive list and lock */
1567     InitializeListHead(&CmpHiveListHead);
1568     ExInitializePushLock(&CmpHiveListHeadLock);
1569     ExInitializePushLock(&CmpLoadHiveLock);
1570
1571     /* Initialize registry lock */
1572     ExInitializeResourceLite(&CmpRegistryLock);
1573
1574     /* Initialize the cache */
1575     CmpInitializeCache();
1576
1577     /* Initialize allocation and delayed dereferencing */
1578     CmpInitCmPrivateAlloc();
1579     CmpInitCmPrivateDelayAlloc();
1580     CmpInitDelayDerefKCBEngine();
1581
1582     /* Initialize callbacks */
1583     CmpInitCallback();
1584
1585     /* Initialize self healing */
1586     KeInitializeGuardedMutex(&CmpSelfHealQueueLock);
1587     InitializeListHead(&CmpSelfHealQueueListHead);
1588
1589     /* Save the current process and lock the registry */
1590     CmpSystemProcess = PsGetCurrentProcess();
1591
1592     /* Create the key object types */
1593     Status = CmpCreateObjectTypes();
1594     if (!NT_SUCCESS(Status))
1595     {
1596         /* Bugcheck */
1597         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 1, Status, 0);
1598     }
1599
1600     /* Build the master hive */
1601     Status = CmpInitializeHive(&CmiVolatileHive,
1602                                HINIT_CREATE,
1603                                HIVE_VOLATILE,
1604                                HFILE_TYPE_PRIMARY,
1605                                NULL,
1606                                NULL,
1607                                NULL,
1608                                NULL,
1609                                NULL,
1610                                0);
1611     if (!NT_SUCCESS(Status))
1612     {
1613         /* Bugcheck */
1614         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 2, Status, 0);
1615     }
1616
1617     /* Create the \REGISTRY key node */
1618     if (!CmpCreateRegistryRoot())
1619     {
1620         /* Bugcheck */
1621         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 3, 0, 0);
1622     }
1623
1624     /* Create the default security descriptor */
1625     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1626
1627     /* Create '\Registry\Machine' key */
1628     RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\MACHINE");
1629     InitializeObjectAttributes(&ObjectAttributes,
1630                                &KeyName,
1631                                OBJ_CASE_INSENSITIVE,
1632                                NULL,
1633                                SecurityDescriptor);
1634     Status = NtCreateKey(&KeyHandle,
1635                          KEY_READ | KEY_WRITE,
1636                          &ObjectAttributes,
1637                          0,
1638                          NULL,
1639                          0,
1640                          NULL);
1641     if (!NT_SUCCESS(Status))
1642     {
1643         /* Bugcheck */
1644         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 5, Status, 0);
1645     }
1646
1647     /* Close the handle */
1648     NtClose(KeyHandle);
1649
1650     /* Create '\Registry\User' key */
1651     RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\USER");
1652     InitializeObjectAttributes(&ObjectAttributes,
1653                                &KeyName,
1654                                OBJ_CASE_INSENSITIVE,
1655                                NULL,
1656                                SecurityDescriptor);
1657     Status = NtCreateKey(&KeyHandle,
1658                          KEY_READ | KEY_WRITE,
1659                          &ObjectAttributes,
1660                          0,
1661                          NULL,
1662                          0,
1663                          NULL);
1664     if (!NT_SUCCESS(Status))
1665     {
1666         /* Bugcheck */
1667         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 6, Status, 0);
1668     }
1669
1670     /* Close the handle */
1671     NtClose(KeyHandle);
1672
1673     /* After this point, do not allow creating keys in the master hive */
1674     CmpNoVolatileCreates = TRUE;
1675
1676     /* Initialize the system hive */
1677     if (!CmpInitializeSystemHive(KeLoaderBlock))
1678     {
1679         /* Bugcheck */
1680         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 7, 0, 0);
1681     }
1682
1683     /* Create the 'CurrentControlSet' link */
1684     Status = CmpCreateControlSet(KeLoaderBlock);
1685     if (!NT_SUCCESS(Status))
1686     {
1687         /* Bugcheck */
1688         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 8, Status, 0);
1689     }
1690
1691     /* Create the hardware hive */
1692     Status = CmpInitializeHive(&HardwareHive,
1693                                HINIT_CREATE,
1694                                HIVE_VOLATILE,
1695                                HFILE_TYPE_PRIMARY,
1696                                NULL,
1697                                NULL,
1698                                NULL,
1699                                NULL,
1700                                NULL,
1701                                0);
1702     if (!NT_SUCCESS(Status))
1703     {
1704         /* Bugcheck */
1705         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 11, Status, 0);
1706     }
1707
1708     /* Add the hive to the hive list */
1709     CmpMachineHiveList[0].CmHive = HardwareHive;
1710
1711     /* Attach it to the machine key */
1712     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\HARDWARE");
1713     Status = CmpLinkHiveToMaster(&KeyName,
1714                                  NULL,
1715                                  HardwareHive,
1716                                  TRUE,
1717                                  SecurityDescriptor);
1718     if (!NT_SUCCESS(Status))
1719     {
1720         /* Bugcheck */
1721         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 12, Status, 0);
1722     }
1723
1724     /* Add to HiveList key */
1725     CmpAddToHiveFileList(HardwareHive);
1726
1727     /* Free the security descriptor */
1728     ExFreePoolWithTag(SecurityDescriptor, TAG_CMSD);
1729
1730     /* Fill out the Hardware key with the ARC Data from the Loader */
1731     Status = CmpInitializeHardwareConfiguration(KeLoaderBlock);
1732     if (!NT_SUCCESS(Status))
1733     {
1734         /* Bugcheck */
1735         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 13, Status, 0);
1736     }
1737
1738     /* Initialize machine-dependent information into the registry */
1739     Status = CmpInitializeMachineDependentConfiguration(KeLoaderBlock);
1740     if (!NT_SUCCESS(Status))
1741     {
1742         /* Bugcheck */
1743         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 14, Status, 0);
1744     }
1745
1746     /* Initialize volatile registry settings */
1747     Status = CmpSetSystemValues(KeLoaderBlock);
1748     if (!NT_SUCCESS(Status))
1749     {
1750         /* Bugcheck */
1751         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 15, Status, 0);
1752     }
1753
1754     /* Free the load options */
1755     ExFreePoolWithTag(CmpLoadOptions.Buffer, TAG_CM);
1756
1757     /* If we got here, all went well */
1758     return TRUE;
1759 }
1760
1761 VOID
1762 NTAPI
1763 INIT_FUNCTION
1764 CmpFreeDriverList(IN PHHIVE Hive,
1765                   IN PLIST_ENTRY DriverList)
1766 {
1767     PLIST_ENTRY NextEntry, OldEntry;
1768     PBOOT_DRIVER_NODE DriverNode;
1769     PAGED_CODE();
1770
1771     /* Parse the current list */
1772     NextEntry = DriverList->Flink;
1773     while (NextEntry != DriverList)
1774     {
1775         /* Get the driver node */
1776         DriverNode = CONTAINING_RECORD(NextEntry, BOOT_DRIVER_NODE, ListEntry.Link);
1777
1778         /* Get the next entry now, since we're going to free it later */
1779         OldEntry = NextEntry;
1780         NextEntry = NextEntry->Flink;
1781
1782         /* Was there a name? */
1783         if (DriverNode->Name.Buffer)
1784         {
1785             /* Free it */
1786             CmpFree(DriverNode->Name.Buffer, DriverNode->Name.Length);
1787         }
1788
1789         /* Was there a registry path? */
1790         if (DriverNode->ListEntry.RegistryPath.Buffer)
1791         {
1792             /* Free it */
1793             CmpFree(DriverNode->ListEntry.RegistryPath.Buffer,
1794                     DriverNode->ListEntry.RegistryPath.MaximumLength);
1795         }
1796
1797         /* Was there a file path? */
1798         if (DriverNode->ListEntry.FilePath.Buffer)
1799         {
1800             /* Free it */
1801             CmpFree(DriverNode->ListEntry.FilePath.Buffer,
1802                     DriverNode->ListEntry.FilePath.MaximumLength);
1803         }
1804
1805         /* Now free the node, and move on */
1806         CmpFree(OldEntry, sizeof(BOOT_DRIVER_NODE));
1807     }
1808 }
1809
1810 PUNICODE_STRING*
1811 NTAPI
1812 INIT_FUNCTION
1813 CmGetSystemDriverList(VOID)
1814 {
1815     LIST_ENTRY DriverList;
1816     OBJECT_ATTRIBUTES ObjectAttributes;
1817     NTSTATUS Status;
1818     PCM_KEY_BODY KeyBody;
1819     PHHIVE Hive;
1820     HCELL_INDEX RootCell, ControlCell;
1821     HANDLE KeyHandle;
1822     UNICODE_STRING KeyName;
1823     PLIST_ENTRY NextEntry;
1824     ULONG i;
1825     PUNICODE_STRING* ServicePath = NULL;
1826     BOOLEAN Success, AutoSelect;
1827     PBOOT_DRIVER_LIST_ENTRY DriverEntry;
1828     PAGED_CODE();
1829
1830     /* Initialize the driver list */
1831     InitializeListHead(&DriverList);
1832
1833     /* Open the system hive key */
1834     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\System");
1835     InitializeObjectAttributes(&ObjectAttributes,
1836                                &KeyName,
1837                                OBJ_CASE_INSENSITIVE,
1838                                NULL,
1839                                NULL);
1840     Status = NtOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
1841     if (!NT_SUCCESS(Status)) return NULL;
1842
1843     /* Reference the key object to get the root hive/cell to access directly */
1844     Status = ObReferenceObjectByHandle(KeyHandle,
1845                                        KEY_QUERY_VALUE,
1846                                        CmpKeyObjectType,
1847                                        KernelMode,
1848                                        (PVOID*)&KeyBody,
1849                                        NULL);
1850     if (!NT_SUCCESS(Status))
1851     {
1852         /* Fail */
1853         NtClose(KeyHandle);
1854         return NULL;
1855     }
1856
1857     /* Do all this under the registry lock */
1858     CmpLockRegistryExclusive();
1859
1860     /* Get the hive and key cell */
1861     Hive = KeyBody->KeyControlBlock->KeyHive;
1862     RootCell = KeyBody->KeyControlBlock->KeyCell;
1863
1864     /* Open the current control set key */
1865     RtlInitUnicodeString(&KeyName, L"Current");
1866     ControlCell = CmpFindControlSet(Hive, RootCell, &KeyName, &AutoSelect);
1867     if (ControlCell == HCELL_NIL) goto EndPath;
1868
1869     /* Find all system drivers */
1870     Success = CmpFindDrivers(Hive, ControlCell, SystemLoad, NULL, &DriverList);
1871     if (!Success) goto EndPath;
1872
1873     /* Sort by group/tag */
1874     if (!CmpSortDriverList(Hive, ControlCell, &DriverList)) goto EndPath;
1875
1876     /* Remove circular dependencies (cycles) and sort */
1877     if (!CmpResolveDriverDependencies(&DriverList)) goto EndPath;
1878
1879     /* Loop the list to count drivers */
1880     for (i = 0, NextEntry = DriverList.Flink;
1881          NextEntry != &DriverList;
1882          i++, NextEntry = NextEntry->Flink);
1883
1884     /* Allocate the array */
1885     ServicePath = ExAllocatePool(NonPagedPool, (i + 1) * sizeof(PUNICODE_STRING));
1886     if (!ServicePath) KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 2, 1, 0, 0);
1887
1888     /* Loop the driver list */
1889     for (i = 0, NextEntry = DriverList.Flink;
1890          NextEntry != &DriverList;
1891          i++, NextEntry = NextEntry->Flink)
1892     {
1893         /* Get the entry */
1894         DriverEntry = CONTAINING_RECORD(NextEntry, BOOT_DRIVER_LIST_ENTRY, Link);
1895
1896         /* Allocate the path for the caller and duplicate the registry path */
1897         ServicePath[i] = ExAllocatePool(NonPagedPool, sizeof(UNICODE_STRING));
1898         RtlDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
1899                                   &DriverEntry->RegistryPath,
1900                                   ServicePath[i]);
1901     }
1902
1903     /* Terminate the list */
1904     ServicePath[i] = NULL;
1905
1906 EndPath:
1907     /* Free the driver list if we had one */
1908     if (!IsListEmpty(&DriverList)) CmpFreeDriverList(Hive, &DriverList);
1909
1910     /* Unlock the registry */
1911     CmpUnlockRegistry();
1912
1913     /* Close the key handle and dereference the object, then return the path */
1914     ObDereferenceObject(KeyBody);
1915     NtClose(KeyHandle);
1916     return ServicePath;
1917 }
1918
1919 VOID
1920 NTAPI
1921 CmpLockRegistryExclusive(VOID)
1922 {
1923     /* Enter a critical region and lock the registry */
1924     KeEnterCriticalRegion();
1925     ExAcquireResourceExclusiveLite(&CmpRegistryLock, TRUE);
1926
1927     /* Sanity check */
1928     ASSERT(CmpFlushStarveWriters == 0);
1929     RtlGetCallersAddress(&CmpRegistryLockCaller, &CmpRegistryLockCallerCaller);
1930 }
1931
1932 VOID
1933 NTAPI
1934 CmpLockRegistry(VOID)
1935 {
1936     /* Enter a critical region */
1937     KeEnterCriticalRegion();
1938
1939     /* Check if we have to starve writers */
1940     if (CmpFlushStarveWriters)
1941     {
1942         /* Starve exlusive waiters */
1943         ExAcquireSharedStarveExclusive(&CmpRegistryLock, TRUE);
1944     }
1945     else
1946     {
1947         /* Just grab the lock */
1948         ExAcquireResourceSharedLite(&CmpRegistryLock, TRUE);
1949     }
1950 }
1951
1952 BOOLEAN
1953 NTAPI
1954 CmpTestRegistryLock(VOID)
1955 {
1956     /* Test the lock */
1957     return !ExIsResourceAcquiredSharedLite(&CmpRegistryLock) ? FALSE : TRUE;
1958 }
1959
1960 BOOLEAN
1961 NTAPI
1962 CmpTestRegistryLockExclusive(VOID)
1963 {
1964     /* Test the lock */
1965     return !ExIsResourceAcquiredExclusiveLite(&CmpRegistryLock) ? FALSE : TRUE;
1966 }
1967
1968 VOID
1969 NTAPI
1970 CmpLockHiveFlusherExclusive(IN PCMHIVE Hive)
1971 {
1972     /* Lock the flusher. We should already be in a critical section */
1973     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1974     ASSERT((ExIsResourceAcquiredShared(Hive->FlusherLock) == 0) &&
1975            (ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) == 0));
1976     ExAcquireResourceExclusiveLite(Hive->FlusherLock, TRUE);
1977 }
1978
1979 VOID
1980 NTAPI
1981 CmpLockHiveFlusherShared(IN PCMHIVE Hive)
1982 {
1983     /* Lock the flusher. We should already be in a critical section */
1984     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1985     ASSERT((ExIsResourceAcquiredShared(Hive->FlusherLock) == 0) &&
1986            (ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) == 0));
1987     ExAcquireResourceSharedLite(Hive->FlusherLock, TRUE);
1988 }
1989
1990 VOID
1991 NTAPI
1992 CmpUnlockHiveFlusher(IN PCMHIVE Hive)
1993 {
1994     /* Sanity check */
1995     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1996     CMP_ASSERT_FLUSH_LOCK(Hive);
1997
1998     /* Release the lock */
1999     ExReleaseResourceLite(Hive->FlusherLock);
2000 }
2001
2002 BOOLEAN
2003 NTAPI
2004 CmpTestHiveFlusherLockShared(IN PCMHIVE Hive)
2005 {
2006     /* Test the lock */
2007     return !ExIsResourceAcquiredSharedLite(Hive->FlusherLock) ? FALSE : TRUE;
2008 }
2009
2010 BOOLEAN
2011 NTAPI
2012 CmpTestHiveFlusherLockExclusive(IN PCMHIVE Hive)
2013 {
2014     /* Test the lock */
2015     return !ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) ? FALSE : TRUE;
2016 }
2017
2018 VOID
2019 NTAPI
2020 CmpUnlockRegistry(VOID)
2021 {
2022     /* Sanity check */
2023     CMP_ASSERT_REGISTRY_LOCK();
2024
2025     /* Check if we should flush the registry */
2026     if (CmpFlushOnLockRelease)
2027     {
2028         /* The registry should be exclusively locked for this */
2029         CMP_ASSERT_EXCLUSIVE_REGISTRY_LOCK();
2030
2031         /* Flush the registry */
2032         CmpDoFlushAll(TRUE);
2033         CmpFlushOnLockRelease = FALSE;
2034     }
2035     else
2036     {
2037         /* Lazy flush the registry */
2038         CmpLazyFlush();
2039     }
2040
2041     /* Release the lock and leave the critical region */
2042     ExReleaseResourceLite(&CmpRegistryLock);
2043     KeLeaveCriticalRegion();
2044 }
2045
2046 VOID
2047 NTAPI
2048 CmpAcquireTwoKcbLocksExclusiveByKey(IN ULONG ConvKey1,
2049                                     IN ULONG ConvKey2)
2050 {
2051     ULONG Index1, Index2;
2052
2053     /* Sanity check */
2054     CMP_ASSERT_REGISTRY_LOCK();
2055
2056     /* Get hash indexes */
2057     Index1 = GET_HASH_INDEX(ConvKey1);
2058     Index2 = GET_HASH_INDEX(ConvKey2);
2059
2060     /* See which one is highest */
2061     if (Index1 < Index2)
2062     {
2063         /* Grab them in the proper order */
2064         CmpAcquireKcbLockExclusiveByKey(ConvKey1);
2065         CmpAcquireKcbLockExclusiveByKey(ConvKey2);
2066     }
2067     else
2068     {
2069         /* Grab the second one first, then the first */
2070         CmpAcquireKcbLockExclusiveByKey(ConvKey2);
2071         if (Index1 != Index2) CmpAcquireKcbLockExclusiveByKey(ConvKey1);
2072     }
2073 }
2074
2075 VOID
2076 NTAPI
2077 CmpReleaseTwoKcbLockByKey(IN ULONG ConvKey1,
2078                           IN ULONG ConvKey2)
2079 {
2080     ULONG Index1, Index2;
2081
2082     /* Sanity check */
2083     CMP_ASSERT_REGISTRY_LOCK();
2084
2085     /* Get hash indexes */
2086     Index1 = GET_HASH_INDEX(ConvKey1);
2087     Index2 = GET_HASH_INDEX(ConvKey2);
2088     ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey2)->Owner == KeGetCurrentThread()) ||
2089            (CmpTestRegistryLockExclusive()));
2090
2091     /* See which one is highest */
2092     if (Index1 < Index2)
2093     {
2094         /* Grab them in the proper order */
2095         ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey1)->Owner == KeGetCurrentThread()) ||
2096                (CmpTestRegistryLockExclusive()));
2097         CmpReleaseKcbLockByKey(ConvKey2);
2098         CmpReleaseKcbLockByKey(ConvKey1);
2099     }
2100     else
2101     {
2102         /* Release the first one first, then the second */
2103         if (Index1 != Index2)
2104         {
2105             ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey1)->Owner == KeGetCurrentThread()) ||
2106                    (CmpTestRegistryLockExclusive()));
2107             CmpReleaseKcbLockByKey(ConvKey1);
2108         }
2109         CmpReleaseKcbLockByKey(ConvKey2);
2110     }
2111 }
2112
2113 VOID
2114 NTAPI
2115 CmShutdownSystem(VOID)
2116 {
2117     PLIST_ENTRY ListEntry;
2118     PCMHIVE Hive;
2119
2120     /* Kill the workers */
2121     if (!CmFirstTime) CmpShutdownWorkers();
2122
2123     /* Flush all hives */
2124     CmpLockRegistryExclusive();
2125     CmpDoFlushAll(TRUE);
2126
2127     /* Close all hive files */
2128     ListEntry = CmpHiveListHead.Flink;
2129     while (ListEntry != &CmpHiveListHead)
2130     {
2131         Hive = CONTAINING_RECORD(ListEntry, CMHIVE, HiveList);
2132
2133         CmpCloseHiveFiles(Hive);
2134
2135         ListEntry = ListEntry->Flink;
2136     }
2137
2138     CmpUnlockRegistry();
2139 }
2140
2141 VOID
2142 NTAPI
2143 CmpSetVersionData(VOID)
2144 {
2145     NTSTATUS Status;
2146     OBJECT_ATTRIBUTES ObjectAttributes;
2147     UNICODE_STRING KeyName;
2148     UNICODE_STRING ValueName;
2149     UNICODE_STRING ValueData;
2150     ANSI_STRING TempString;
2151     HANDLE SoftwareKeyHandle = NULL;
2152     HANDLE MicrosoftKeyHandle = NULL;
2153     HANDLE WindowsNtKeyHandle = NULL;
2154     HANDLE CurrentVersionKeyHandle = NULL;
2155     WCHAR Buffer[128]; // Buffer large enough to contain a full ULONG in decimal
2156                        // representation, and the full 'CurrentType' string.
2157
2158     /*
2159      * Open the 'HKLM\Software\Microsoft\Windows NT\CurrentVersion' key
2160      * (create the intermediate subkeys if needed).
2161      */
2162
2163     RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\MACHINE\\SOFTWARE");
2164     InitializeObjectAttributes(&ObjectAttributes,
2165                                &KeyName,
2166                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
2167                                NULL,
2168                                NULL);
2169     Status = NtCreateKey(&SoftwareKeyHandle,
2170                          KEY_CREATE_SUB_KEY,
2171                          &ObjectAttributes,
2172                          0,
2173                          NULL,
2174                          0,
2175                          NULL);
2176     if (!NT_SUCCESS(Status))
2177     {
2178         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2179         return;
2180     }
2181
2182     RtlInitUnicodeString(&KeyName, L"Microsoft");
2183     InitializeObjectAttributes(&ObjectAttributes,
2184                                &KeyName,
2185                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
2186                                SoftwareKeyHandle,
2187                                NULL);
2188     Status = NtCreateKey(&MicrosoftKeyHandle,
2189                          KEY_CREATE_SUB_KEY,
2190                          &ObjectAttributes,
2191                          0,
2192                          NULL,
2193                          0,
2194                          NULL);
2195     if (!NT_SUCCESS(Status))
2196     {
2197         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2198         goto Quit;
2199     }
2200
2201     RtlInitUnicodeString(&KeyName, L"Windows NT");
2202     InitializeObjectAttributes(&ObjectAttributes,
2203                                &KeyName,
2204                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
2205                                MicrosoftKeyHandle,
2206                                NULL);
2207     Status = NtCreateKey(&WindowsNtKeyHandle,
2208                          KEY_CREATE_SUB_KEY,
2209                          &ObjectAttributes,
2210                          0,
2211                          NULL,
2212                          0,
2213                          NULL);
2214     if (!NT_SUCCESS(Status))
2215     {
2216         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2217         goto Quit;
2218     }
2219
2220     RtlInitUnicodeString(&KeyName, L"CurrentVersion");
2221     InitializeObjectAttributes(&ObjectAttributes,
2222                                &KeyName,
2223                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
2224                                WindowsNtKeyHandle,
2225                                NULL);
2226     Status = NtCreateKey(&CurrentVersionKeyHandle,
2227                          KEY_CREATE_SUB_KEY | KEY_SET_VALUE,
2228                          &ObjectAttributes,
2229                          0,
2230                          NULL,
2231                          0,
2232                          NULL);
2233     if (!NT_SUCCESS(Status))
2234     {
2235         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2236         goto Quit;
2237     }
2238
2239     /* Set the 'CurrentVersion' value */
2240     RtlInitUnicodeString(&ValueName, L"CurrentVersion");
2241     NtSetValueKey(CurrentVersionKeyHandle,
2242                   &ValueName,
2243                   0,
2244                   REG_SZ,
2245                   CmVersionString.Buffer,
2246                   CmVersionString.Length + sizeof(WCHAR));
2247
2248     /* Set the 'CurrentBuildNumber' value */
2249     RtlInitUnicodeString(&ValueName, L"CurrentBuildNumber");
2250     RtlInitEmptyUnicodeString(&ValueData, Buffer, sizeof(Buffer));
2251     RtlIntegerToUnicodeString(NtBuildNumber & 0xFFFF, 10, &ValueData);
2252     NtSetValueKey(CurrentVersionKeyHandle,
2253                   &ValueName,
2254                   0,
2255                   REG_SZ,
2256                   ValueData.Buffer,
2257                   ValueData.Length + sizeof(WCHAR));
2258
2259     /* Set the 'BuildLab' value */
2260     RtlInitUnicodeString(&ValueName, L"BuildLab");
2261     RtlInitAnsiString(&TempString, NtBuildLab);
2262     Status = RtlAnsiStringToUnicodeString(&ValueData, &TempString, FALSE);
2263     if (NT_SUCCESS(Status))
2264     {
2265         NtSetValueKey(CurrentVersionKeyHandle,
2266                       &ValueName,
2267                       0,
2268                       REG_SZ,
2269                       ValueData.Buffer,
2270                       ValueData.Length + sizeof(WCHAR));
2271     }
2272
2273     /* Set the 'CurrentType' value */
2274     RtlInitUnicodeString(&ValueName, L"CurrentType");
2275     RtlStringCbPrintfW(Buffer, sizeof(Buffer),
2276                        L"%s %s",
2277 #ifdef CONFIG_SMP
2278                        L"Multiprocessor"
2279 #else
2280                        L"Uniprocessor"
2281 #endif
2282                        ,
2283 #if (DBG == 1)
2284                        L"Checked"
2285 #else
2286                        L"Free"
2287 #endif
2288                        );
2289     RtlInitUnicodeString(&ValueData, Buffer);
2290     NtSetValueKey(CurrentVersionKeyHandle,
2291                   &ValueName,
2292                   0,
2293                   REG_SZ,
2294                   ValueData.Buffer,
2295                   ValueData.Length + sizeof(WCHAR));
2296
2297     /* Set the 'CSDVersion' value */
2298     RtlInitUnicodeString(&ValueName, L"CSDVersion");
2299     if (CmCSDVersionString.Length != 0)
2300     {
2301         NtSetValueKey(CurrentVersionKeyHandle,
2302                       &ValueName,
2303                       0,
2304                       REG_SZ,
2305                       CmCSDVersionString.Buffer,
2306                       CmCSDVersionString.Length + sizeof(WCHAR));
2307     }
2308     else
2309     {
2310         NtDeleteValueKey(CurrentVersionKeyHandle, &ValueName);
2311     }
2312
2313     /* Set the 'CSDBuildNumber' value */
2314     RtlInitUnicodeString(&ValueName, L"CSDBuildNumber");
2315     if (CmNtSpBuildNumber != 0)
2316     {
2317         RtlInitEmptyUnicodeString(&ValueData, Buffer, sizeof(Buffer));
2318         RtlIntegerToUnicodeString(CmNtSpBuildNumber, 10, &ValueData);
2319         NtSetValueKey(CurrentVersionKeyHandle,
2320                       &ValueName,
2321                       0,
2322                       REG_SZ,
2323                       ValueData.Buffer,
2324                       ValueData.Length + sizeof(WCHAR));
2325     }
2326     else
2327     {
2328         NtDeleteValueKey(CurrentVersionKeyHandle, &ValueName);
2329     }
2330
2331     /* Set the 'SystemRoot' value */
2332     RtlInitUnicodeString(&ValueName, L"SystemRoot");
2333     NtSetValueKey(CurrentVersionKeyHandle,
2334                   &ValueName,
2335                   0,
2336                   REG_SZ,
2337                   NtSystemRoot.Buffer,
2338                   NtSystemRoot.Length + sizeof(WCHAR));
2339
2340 Quit:
2341     /* Close the keys */
2342     if (CurrentVersionKeyHandle != NULL)
2343         NtClose(CurrentVersionKeyHandle);
2344
2345     if (WindowsNtKeyHandle != NULL)
2346         NtClose(WindowsNtKeyHandle);
2347
2348     if (MicrosoftKeyHandle != NULL)
2349         NtClose(MicrosoftKeyHandle);
2350
2351     if (SoftwareKeyHandle != NULL)
2352         NtClose(SoftwareKeyHandle);
2353 }
2354
2355 /* EOF */