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