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