reactos/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 == CM_KEY_BODY_TYPE)
 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 == CM_KEY_BODY_TYPE)
 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                                CheckFlags);
 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     /* HACK: 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 = ZwSetValueKey(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 = ZwSetValueKey(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 = ZwOpenKey(&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 = ZwCreateKey(&KeyHandle,
 492                                  KEY_ALL_ACCESS,
 493                                  &ObjectAttributes,
 494                                  0,
 495                                  NULL,
 496                                  0,
 497                                  &Disposition);
 498             if (!NT_SUCCESS(Status))
 499                 return Status;
 500
 501             /* We don't need the handle */
 502             ZwClose(KeyHandle);
 503
 504             /* Use hard-coded setting */
 505             ControlSet = 1;
 506             goto UseSet;
 507         }
 508
 509         /* Fail for real boots */
 510         return Status;
 511     }
 512
 513     /* Open the current value */
 514     RtlInitUnicodeString(&KeyName, L"Current");
 515     Status = NtQueryValueKey(SelectHandle,
 516                              &KeyName,
 517                              KeyValueFullInformation,
 518                              ValueInfoBuffer,
 519                              sizeof(ValueInfoBuffer),
 520                              &ResultLength);
 521     NtClose(SelectHandle);
 522     if (!NT_SUCCESS(Status)) return Status;
 523
 524     /* Get the actual value pointer, and get the control set ID */
 525     ValueInfo = (PKEY_VALUE_FULL_INFORMATION)ValueInfoBuffer;
 526     ControlSet = *(PULONG)((PUCHAR)ValueInfo + ValueInfo->DataOffset);
 527
 528     /* Create the current control set key */
 529 UseSet:
 530     RtlInitUnicodeString(&KeyName,
 531                          L"\\Registry\\Machine\\System\\CurrentControlSet");
 532     InitializeObjectAttributes(&ObjectAttributes,
 533                                &KeyName,
 534                                OBJ_CASE_INSENSITIVE,
 535                                NULL,
 536                                NULL);
 537     Status = ZwCreateKey(&KeyHandle,
 538                          KEY_CREATE_LINK,
 539                          &ObjectAttributes,
 540                          0,
 541                          NULL,
 542                          REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
 543                          &Disposition);
 544     if (!NT_SUCCESS(Status)) return Status;
 545
 546     /* Sanity check */
 547     ASSERT(Disposition == REG_CREATED_NEW_KEY);
 548
 549     /* Initialize the symbolic link name */
 550     sprintf(Buffer,
 551             "\\Registry\\Machine\\System\\ControlSet%03ld",
 552             ControlSet);
 553     RtlInitAnsiString(&TempString, Buffer);
 554
 555     /* Create a Unicode string out of it */
 556     KeyName.MaximumLength = sizeof(UnicodeBuffer);
 557     KeyName.Buffer = UnicodeBuffer;
 558     Status = RtlAnsiStringToUnicodeString(&KeyName, &TempString, FALSE);
 559
 560     /* Set the value */
 561     Status = ZwSetValueKey(KeyHandle,
 562                            &CmSymbolicLinkValueName,
 563                            0,
 564                            REG_LINK,
 565                            KeyName.Buffer,
 566                            KeyName.Length);
 567     if (!NT_SUCCESS(Status)) return Status;
 568
 569     /* Get the configuration database key */
 570     InitializeObjectAttributes(&ObjectAttributes,
 571                                &ConfigName,
 572                                OBJ_CASE_INSENSITIVE,
 573                                KeyHandle,
 574                                NULL);
 575     Status = NtOpenKey(&ConfigHandle, KEY_READ, &ObjectAttributes);
 576     ZwClose(KeyHandle);
 577
 578     /* Check if we don't have one */
 579     if (!NT_SUCCESS(Status))
 580     {
 581         /* Cleanup and exit */
 582         ConfigHandle = 0;
 583         goto Cleanup;
 584     }
 585
 586     /* Now get the current config */
 587     RtlInitUnicodeString(&KeyName, L"CurrentConfig");
 588     Status = NtQueryValueKey(ConfigHandle,
 589                              &KeyName,
 590                              KeyValueFullInformation,
 591                              ValueInfoBuffer,
 592                              sizeof(ValueInfoBuffer),
 593                              &ResultLength);
 594
 595     /* Set pointer to buffer */
 596     ValueInfo = (PKEY_VALUE_FULL_INFORMATION)ValueInfoBuffer;
 597
 598     /* Check if we failed or got a non DWORD-value */
 599     if (!(NT_SUCCESS(Status)) || (ValueInfo->Type != REG_DWORD)) goto Cleanup;
 600
 601     /* Get the hadware profile */
 602     HwProfile = *(PULONG)((PUCHAR)ValueInfo + ValueInfo->DataOffset);
 603
 604     /* Open the hardware profile key */
 605     RtlInitUnicodeString(&KeyName,
 606                          L"\\Registry\\Machine\\System\\CurrentControlSet"
 607                          L"\\Hardware Profiles");
 608     InitializeObjectAttributes(&ObjectAttributes,
 609                                &KeyName,
 610                                OBJ_CASE_INSENSITIVE,
 611                                NULL,
 612                                NULL);
 613     Status = NtOpenKey(&ParentHandle, KEY_READ, &ObjectAttributes);
 614     if (!NT_SUCCESS(Status))
 615     {
 616         /* Exit and clean up */
 617         ParentHandle = 0;
 618         goto Cleanup;
 619     }
 620
 621     /* Build the profile name */
 622     sprintf(Buffer, "%04ld", HwProfile);
 623     RtlInitAnsiString(&TempString, Buffer);
 624
 625     /* Convert it to Unicode */
 626     KeyName.MaximumLength = sizeof(UnicodeBuffer);
 627     KeyName.Buffer = UnicodeBuffer;
 628     Status = RtlAnsiStringToUnicodeString(&KeyName,
 629                                           &TempString,
 630                                           FALSE);
 631     ASSERT(Status == STATUS_SUCCESS);
 632
 633     /* Open the associated key */
 634     InitializeObjectAttributes(&ObjectAttributes,
 635                                &KeyName,
 636                                OBJ_CASE_INSENSITIVE,
 637                                ParentHandle,
 638                                NULL);
 639     Status = NtOpenKey(&ProfileHandle,
 640                        KEY_READ | KEY_WRITE,
 641                        &ObjectAttributes);
 642     if (!NT_SUCCESS (Status))
 643     {
 644         /* Cleanup and exit */
 645         ProfileHandle = 0;
 646         goto Cleanup;
 647     }
 648
 649     /* Check if we have a loader block extension */
 650     LoaderExtension = LoaderBlock->Extension;
 651     if (LoaderExtension)
 652     {
 653         DPRINT("ReactOS doesn't support NTLDR Profiles yet!\n");
 654     }
 655
 656     /* Create the current hardware profile key */
 657     RtlInitUnicodeString(&KeyName,
 658                          L"\\Registry\\Machine\\System\\CurrentControlSet\\"
 659                          L"Hardware Profiles\\Current");
 660     InitializeObjectAttributes(&ObjectAttributes,
 661                                &KeyName,
 662                                OBJ_CASE_INSENSITIVE,
 663                                NULL,
 664                                NULL);
 665     Status = NtCreateKey(&KeyHandle,
 666                          KEY_CREATE_LINK,
 667                          &ObjectAttributes,
 668                          0,
 669                          NULL,
 670                          REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
 671                          &Disposition);
 672     if (NT_SUCCESS(Status))
 673     {
 674         /* Sanity check */
 675         ASSERT(Disposition == REG_CREATED_NEW_KEY);
 676
 677         /* Create the profile name */
 678         sprintf(Buffer,
 679                 "\\Registry\\Machine\\System\\CurrentControlSet\\"
 680                 "Hardware Profiles\\%04ld",
 681                 HwProfile);
 682         RtlInitAnsiString(&TempString, Buffer);
 683
 684         /* Convert it to Unicode */
 685         KeyName.MaximumLength = sizeof(UnicodeBuffer);
 686         KeyName.Buffer = UnicodeBuffer;
 687         Status = RtlAnsiStringToUnicodeString(&KeyName,
 688                                               &TempString,
 689                                               FALSE);
 690         ASSERT(STATUS_SUCCESS == Status);
 691
 692         /* Set it */
 693         Status = ZwSetValueKey(KeyHandle,
 694                                &CmSymbolicLinkValueName,
 695                                0,
 696                                REG_LINK,
 697                                KeyName.Buffer,
 698                                KeyName.Length);
 699         NtClose(KeyHandle);
 700     }
 701
 702     /* Close every opened handle */
 703 Cleanup:
 704     if (ConfigHandle) NtClose(ConfigHandle);
 705     if (ProfileHandle) NtClose(ProfileHandle);
 706     if (ParentHandle) NtClose(ParentHandle);
 707
 708     /* Return success */
 709     return STATUS_SUCCESS;
 710 }
 711
 712 NTSTATUS
 713 NTAPI
 714 CmpLinkHiveToMaster(IN PUNICODE_STRING LinkName,
 715                     IN HANDLE RootDirectory,
 716                     IN PCMHIVE RegistryHive,
 717                     IN BOOLEAN Allocate,
 718                     IN PSECURITY_DESCRIPTOR SecurityDescriptor)
 719 {
 720     OBJECT_ATTRIBUTES ObjectAttributes;
 721     NTSTATUS Status;
 722     CM_PARSE_CONTEXT ParseContext = {0};
 723     HANDLE KeyHandle;
 724     PCM_KEY_BODY KeyBody;
 725     PAGED_CODE();
 726
 727     /* Setup the object attributes */
 728     InitializeObjectAttributes(&ObjectAttributes,
 729                                LinkName,
 730                                OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
 731                                RootDirectory,
 732                                SecurityDescriptor);
 733
 734     /* Setup the parse context */
 735     ParseContext.CreateLink = TRUE;
 736     ParseContext.CreateOperation = TRUE;
 737     ParseContext.ChildHive.KeyHive = &RegistryHive->Hive;
 738
 739     /* Check if we have a root keycell or if we need to create it */
 740     if (Allocate)
 741     {
 742         /* Create it */
 743         ParseContext.ChildHive.KeyCell = HCELL_NIL;
 744     }
 745     else
 746     {
 747         /* We have one */
 748         ParseContext.ChildHive.KeyCell = RegistryHive->Hive.BaseBlock->RootCell;
 749     }
 750
 751     /* Create the link node */
 752     Status = ObOpenObjectByName(&ObjectAttributes,
 753                                 CmpKeyObjectType,
 754                                 KernelMode,
 755                                 NULL,
 756                                 KEY_READ | KEY_WRITE,
 757                                 (PVOID)&ParseContext,
 758                                 &KeyHandle);
 759     if (!NT_SUCCESS(Status)) return Status;
 760
 761     /* Mark the hive as clean */
 762     RegistryHive->Hive.DirtyFlag = FALSE;
 763
 764     /* ReactOS Hack: Keep alive */
 765     Status = ObReferenceObjectByHandle(KeyHandle,
 766                                        0,
 767                                        CmpKeyObjectType,
 768                                        KernelMode,
 769                                        (PVOID*)&KeyBody,
 770                                        NULL);
 771     ASSERT(NT_SUCCESS(Status));
 772
 773     /* Close the extra handle */
 774     ZwClose(KeyHandle);
 775     return STATUS_SUCCESS;
 776 }
 777
 778 BOOLEAN
 779 NTAPI
 780 INIT_FUNCTION
 781 CmpInitializeSystemHive(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 782 {
 783     PVOID HiveBase;
 784     ANSI_STRING LoadString;
 785     PVOID Buffer;
 786     ULONG Length;
 787     NTSTATUS Status;
 788     BOOLEAN Allocate;
 789     UNICODE_STRING KeyName;
 790     PCMHIVE SystemHive = NULL;
 791     UNICODE_STRING HiveName = RTL_CONSTANT_STRING(L"SYSTEM");
 792     PSECURITY_DESCRIPTOR SecurityDescriptor;
 793     PAGED_CODE();
 794
 795     /* Setup the ansi string */
 796     RtlInitAnsiString(&LoadString, LoaderBlock->LoadOptions);
 797
 798     /* Allocate the unicode buffer */
 799     Length = LoadString.Length * sizeof(WCHAR) + sizeof(UNICODE_NULL);
 800     Buffer = ExAllocatePoolWithTag(PagedPool, Length, TAG_CM);
 801     if (!Buffer)
 802     {
 803         /* Fail */
 804         KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 3, 1, (ULONG_PTR)LoaderBlock, 0);
 805     }
 806
 807     /* Setup the unicode string */
 808     RtlInitEmptyUnicodeString(&CmpLoadOptions, Buffer, (USHORT)Length);
 809
 810     /* Add the load options and null-terminate */
 811     RtlAnsiStringToUnicodeString(&CmpLoadOptions, &LoadString, FALSE);
 812     CmpLoadOptions.Buffer[LoadString.Length] = UNICODE_NULL;
 813     CmpLoadOptions.Length += sizeof(WCHAR);
 814
 815     /* Get the System Hive base address */
 816     HiveBase = LoaderBlock->RegistryBase;
 817     if (HiveBase)
 818     {
 819         /* Import it */
 820         Status = CmpInitializeHive((PCMHIVE*)&SystemHive,
 821                                    HINIT_MEMORY,
 822                                    HIVE_NOLAZYFLUSH,
 823                                    HFILE_TYPE_LOG,
 824                                    HiveBase,
 825                                    NULL,
 826                                    NULL,
 827                                    NULL,
 828                                    &HiveName,
 829                                    2);
 830         if (!NT_SUCCESS(Status)) return FALSE;
 831
 832         /* Set the hive filename */
 833         RtlCreateUnicodeString(&SystemHive->FileFullPath,
 834                                L"\\SystemRoot\\System32\\Config\\SYSTEM");
 835
 836         /* We imported, no need to create a new hive */
 837         Allocate = FALSE;
 838
 839         /* Manually set the hive as volatile, if in Live CD mode */
 840         if (CmpShareSystemHives) SystemHive->Hive.HiveFlags = HIVE_VOLATILE;
 841     }
 842     else
 843     {
 844         /* Create it */
 845         Status = CmpInitializeHive(&SystemHive,
 846                                    HINIT_CREATE,
 847                                    HIVE_NOLAZYFLUSH,
 848                                    HFILE_TYPE_LOG,
 849                                    NULL,
 850                                    NULL,
 851                                    NULL,
 852                                    NULL,
 853                                    &HiveName,
 854                                    0);
 855         if (!NT_SUCCESS(Status)) return FALSE;
 856
 857         /* Set the hive filename */
 858         RtlCreateUnicodeString(&SystemHive->FileFullPath,
 859                                L"\\SystemRoot\\System32\\Config\\SYSTEM");
 860
 861         /* Tell CmpLinkHiveToMaster to allocate a hive */
 862         Allocate = TRUE;
 863     }
 864
 865     /* Save the boot type */
 866     CmpBootType = SystemHive->Hive.BaseBlock->BootType;
 867
 868     /* Are we in self-healing mode? */
 869     if (!CmSelfHeal)
 870     {
 871         /* Disable self-healing internally and check if boot type wanted it */
 872         CmpSelfHeal = FALSE;
 873         if (CmpBootType & 4)
 874         {
 875             /* We're disabled, so bugcheck */
 876             KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO,
 877                          3,
 878                          3,
 879                          (ULONG_PTR)SystemHive,
 880                          0);
 881         }
 882     }
 883
 884     /* Create the default security descriptor */
 885     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
 886
 887     /* Attach it to the system key */
 888     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\SYSTEM");
 889     Status = CmpLinkHiveToMaster(&KeyName,
 890                                  NULL,
 891                                  (PCMHIVE)SystemHive,
 892                                  Allocate,
 893                                  SecurityDescriptor);
 894
 895     /* Free the security descriptor */
 896     ExFreePoolWithTag(SecurityDescriptor, TAG_CM);
 897     if (!NT_SUCCESS(Status)) return FALSE;
 898
 899     /* Add the hive to the hive list */
 900     CmpMachineHiveList[3].CmHive = (PCMHIVE)SystemHive;
 901
 902     /* Success! */
 903     return TRUE;
 904 }
 905
 906 NTSTATUS
 907 NTAPI
 908 INIT_FUNCTION
 909 CmpCreateObjectTypes(VOID)
 910 {
 911     OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
 912     UNICODE_STRING Name;
 913     GENERIC_MAPPING CmpKeyMapping = {KEY_READ,
 914                                      KEY_WRITE,
 915                                      KEY_EXECUTE,
 916                                      KEY_ALL_ACCESS};
 917     PAGED_CODE();
 918
 919     /* Initialize the Key object type */
 920     RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
 921     RtlInitUnicodeString(&Name, L"Key");
 922     ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
 923     ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(CM_KEY_BODY);
 924     ObjectTypeInitializer.GenericMapping = CmpKeyMapping;
 925     ObjectTypeInitializer.PoolType = PagedPool;
 926     ObjectTypeInitializer.ValidAccessMask = KEY_ALL_ACCESS;
 927     ObjectTypeInitializer.UseDefaultObject = TRUE;
 928     ObjectTypeInitializer.DeleteProcedure = CmpDeleteKeyObject;
 929     ObjectTypeInitializer.ParseProcedure = CmpParseKey;
 930     ObjectTypeInitializer.SecurityProcedure = CmpSecurityMethod;
 931     ObjectTypeInitializer.QueryNameProcedure = CmpQueryKeyName;
 932     ObjectTypeInitializer.CloseProcedure = CmpCloseKeyObject;
 933     ObjectTypeInitializer.SecurityRequired = TRUE;
 934     ObjectTypeInitializer.InvalidAttributes = OBJ_EXCLUSIVE | OBJ_PERMANENT;
 935
 936     /* Create it */
 937     return ObCreateObjectType(&Name, &ObjectTypeInitializer, NULL, &CmpKeyObjectType);
 938 }
 939
 940 BOOLEAN
 941 NTAPI
 942 INIT_FUNCTION
 943 CmpCreateRootNode(IN PHHIVE Hive,
 944                   IN PCWSTR Name,
 945                   OUT PHCELL_INDEX Index)
 946 {
 947     UNICODE_STRING KeyName;
 948     PCM_KEY_NODE KeyCell;
 949     LARGE_INTEGER SystemTime;
 950     PAGED_CODE();
 951
 952     /* Initialize the node name and allocate it */
 953     RtlInitUnicodeString(&KeyName, Name);
 954     *Index = HvAllocateCell(Hive,
 955                             FIELD_OFFSET(CM_KEY_NODE, Name) +
 956                             CmpNameSize(Hive, &KeyName),
 957                             Stable,
 958                             HCELL_NIL);
 959     if (*Index == HCELL_NIL) return FALSE;
 960
 961     /* Set the cell index and get the data */
 962     Hive->BaseBlock->RootCell = *Index;
 963     KeyCell = (PCM_KEY_NODE)HvGetCell(Hive, *Index);
 964     if (!KeyCell) return FALSE;
 965
 966     /* Setup the cell */
 967     KeyCell->Signature = (USHORT)CM_KEY_NODE_SIGNATURE;
 968     KeyCell->Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
 969     KeQuerySystemTime(&SystemTime);
 970     KeyCell->LastWriteTime = SystemTime;
 971     KeyCell->Parent = HCELL_NIL;
 972     KeyCell->SubKeyCounts[Stable] = 0;
 973     KeyCell->SubKeyCounts[Volatile] = 0;
 974     KeyCell->SubKeyLists[Stable] = HCELL_NIL;
 975     KeyCell->SubKeyLists[Volatile] = HCELL_NIL;
 976     KeyCell->ValueList.Count = 0;
 977     KeyCell->ValueList.List = HCELL_NIL;
 978     KeyCell->Security = HCELL_NIL;
 979     KeyCell->Class = HCELL_NIL;
 980     KeyCell->ClassLength = 0;
 981     KeyCell->MaxNameLen = 0;
 982     KeyCell->MaxClassLen = 0;
 983     KeyCell->MaxValueNameLen = 0;
 984     KeyCell->MaxValueDataLen = 0;
 985
 986     /* Copy the name (this will also set the length) */
 987     KeyCell->NameLength = CmpCopyName(Hive, (PWCHAR)KeyCell->Name, &KeyName);
 988
 989     /* Check if the name was compressed */
 990     if (KeyCell->NameLength < KeyName.Length)
 991     {
 992         /* Set the flag */
 993         KeyCell->Flags |= KEY_COMP_NAME;
 994     }
 995
 996     /* Return success */
 997     HvReleaseCell(Hive, *Index);
 998     return TRUE;
 999 }
1000
1001 BOOLEAN
1002 NTAPI
1003 INIT_FUNCTION
1004 CmpCreateRegistryRoot(VOID)
1005 {
1006     UNICODE_STRING KeyName;
1007     OBJECT_ATTRIBUTES ObjectAttributes;
1008     PCM_KEY_BODY RootKey;
1009     HCELL_INDEX RootIndex;
1010     NTSTATUS Status;
1011     PCM_KEY_NODE KeyCell;
1012     PSECURITY_DESCRIPTOR SecurityDescriptor;
1013     PCM_KEY_CONTROL_BLOCK Kcb;
1014     PAGED_CODE();
1015
1016     /* Setup the root node */
1017     if (!CmpCreateRootNode(&CmiVolatileHive->Hive, L"REGISTRY", &RootIndex))
1018     {
1019         /* We failed */
1020         return FALSE;
1021     }
1022
1023     /* Create '\Registry' key. */
1024     RtlInitUnicodeString(&KeyName, L"\\REGISTRY");
1025     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1026     InitializeObjectAttributes(&ObjectAttributes,
1027                                &KeyName,
1028                                OBJ_CASE_INSENSITIVE,
1029                                NULL,
1030                                NULL);
1031     Status = ObCreateObject(KernelMode,
1032                             CmpKeyObjectType,
1033                             &ObjectAttributes,
1034                             KernelMode,
1035                             NULL,
1036                             sizeof(CM_KEY_BODY),
1037                             0,
1038                             0,
1039                             (PVOID*)&RootKey);
1040     ExFreePoolWithTag(SecurityDescriptor, TAG_CM);
1041     if (!NT_SUCCESS(Status)) return FALSE;
1042
1043     /* Sanity check, and get the key cell */
1044     ASSERT((&CmiVolatileHive->Hive)->ReleaseCellRoutine == NULL);
1045     KeyCell = (PCM_KEY_NODE)HvGetCell(&CmiVolatileHive->Hive, RootIndex);
1046     if (!KeyCell) return FALSE;
1047
1048     /* Create the KCB */
1049     RtlInitUnicodeString(&KeyName, L"\\REGISTRY");
1050     Kcb = CmpCreateKeyControlBlock(&CmiVolatileHive->Hive,
1051                                    RootIndex,
1052                                    KeyCell,
1053                                    NULL,
1054                                    0,
1055                                    &KeyName);
1056     if (!Kcb)
1057     {
1058         ObDereferenceObject(RootKey);
1059         return FALSE;
1060     }
1061
1062     /* Initialize the object */
1063     RootKey->KeyControlBlock = Kcb;
1064     RootKey->Type = CM_KEY_BODY_TYPE;
1065     RootKey->NotifyBlock = NULL;
1066     RootKey->ProcessID = PsGetCurrentProcessId();
1067
1068     /* Link with KCB */
1069     EnlistKeyBodyWithKCB(RootKey, 0);
1070
1071     /* Insert the key into the namespace */
1072     Status = ObInsertObject(RootKey,
1073                             NULL,
1074                             KEY_ALL_ACCESS,
1075                             0,
1076                             NULL,
1077                             &CmpRegistryRootHandle);
1078     if (!NT_SUCCESS(Status))
1079     {
1080         ObDereferenceObject(RootKey);
1081         return FALSE;
1082     }
1083
1084     /* Reference the key again so that we never lose it */
1085     Status = ObReferenceObjectByHandle(CmpRegistryRootHandle,
1086                                        KEY_READ,
1087                                        NULL,
1088                                        KernelMode,
1089                                        (PVOID*)&RootKey,
1090                                        NULL);
1091     if (!NT_SUCCESS(Status))
1092     {
1093         ObDereferenceObject(RootKey);
1094         return FALSE;
1095     }
1096
1097     /* Completely sucessful */
1098     return TRUE;
1099 }
1100
1101 NTSTATUS
1102 NTAPI
1103 CmpGetRegistryPath(IN PWCHAR ConfigPath)
1104 {
1105     OBJECT_ATTRIBUTES ObjectAttributes;
1106     NTSTATUS Status;
1107     HANDLE KeyHandle;
1108     PKEY_VALUE_PARTIAL_INFORMATION ValueInfo;
1109     UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\HARDWARE");
1110     UNICODE_STRING ValueName = RTL_CONSTANT_STRING(L"InstallPath");
1111     ULONG BufferSize, ResultSize;
1112
1113     /* Check if we are booted in setup */
1114     if (ExpInTextModeSetup)
1115     {
1116         /* Setup the object attributes */
1117         InitializeObjectAttributes(&ObjectAttributes,
1118                                    &KeyName,
1119                                    OBJ_CASE_INSENSITIVE,
1120                                    NULL,
1121                                    NULL);
1122         /* Open the key */
1123         Status =  ZwOpenKey(&KeyHandle,
1124                             KEY_ALL_ACCESS,
1125                             &ObjectAttributes);
1126         if (!NT_SUCCESS(Status)) return Status;
1127
1128         /* Allocate the buffer */
1129         BufferSize = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 4096;
1130         ValueInfo = ExAllocatePoolWithTag(PagedPool, BufferSize, TAG_CM);
1131         if (!ValueInfo)
1132         {
1133             /* Fail */
1134             ZwClose(KeyHandle);
1135             return STATUS_INSUFFICIENT_RESOURCES;
1136         }
1137
1138         /* Query the value */
1139         Status = ZwQueryValueKey(KeyHandle,
1140                                  &ValueName,
1141                                  KeyValuePartialInformation,
1142                                  ValueInfo,
1143                                  BufferSize,
1144                                  &ResultSize);
1145         ZwClose(KeyHandle);
1146         if (!NT_SUCCESS(Status))
1147         {
1148             /* Fail */
1149             ExFreePoolWithTag(ValueInfo, TAG_CM);
1150             return Status;
1151         }
1152
1153         /* Copy the config path and null-terminate it */
1154         RtlCopyMemory(ConfigPath,
1155                       ValueInfo->Data,
1156                       ValueInfo->DataLength);
1157         ConfigPath[ValueInfo->DataLength / sizeof(WCHAR)] = UNICODE_NULL;
1158         ExFreePoolWithTag(ValueInfo, TAG_CM);
1159     }
1160     else
1161     {
1162         /* Just use default path */
1163         wcscpy(ConfigPath, L"\\SystemRoot");
1164     }
1165
1166     /* Add registry path */
1167     wcscat(ConfigPath, L"\\System32\\Config\\");
1168
1169     /* Done */
1170     return STATUS_SUCCESS;
1171 }
1172
1173 VOID
1174 NTAPI
1175 CmpLoadHiveThread(IN PVOID StartContext)
1176 {
1177     WCHAR FileBuffer[MAX_PATH], RegBuffer[MAX_PATH], ConfigPath[MAX_PATH];
1178     UNICODE_STRING TempName, FileName, RegName;
1179     ULONG i, ErrorResponse, WorkerCount, Length;
1180     USHORT FileStart;
1181     //ULONG RegStart;
1182     ULONG PrimaryDisposition, SecondaryDisposition, ClusterSize;
1183     PCMHIVE CmHive;
1184     HANDLE PrimaryHandle = NULL, LogHandle = NULL;
1185     NTSTATUS Status = STATUS_SUCCESS;
1186     PVOID ErrorParameters;
1187     PAGED_CODE();
1188
1189     /* Get the hive index, make sure it makes sense */
1190     i = PtrToUlong(StartContext);
1191     ASSERT(CmpMachineHiveList[i].Name != NULL);
1192
1193     /* We were started */
1194     CmpMachineHiveList[i].ThreadStarted = TRUE;
1195
1196     /* Build the file name and registry name strings */
1197     RtlInitEmptyUnicodeString(&FileName, FileBuffer, MAX_PATH);
1198     RtlInitEmptyUnicodeString(&RegName, RegBuffer, MAX_PATH);
1199
1200     /* Now build the system root path */
1201     CmpGetRegistryPath(ConfigPath);
1202     RtlInitUnicodeString(&TempName, ConfigPath);
1203     RtlAppendStringToString((PSTRING)&FileName, (PSTRING)&TempName);
1204     FileStart = FileName.Length;
1205
1206     /* And build the registry root path */
1207     RtlInitUnicodeString(&TempName, L"\\REGISTRY\\");
1208     RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1209     //RegStart = RegName.Length;
1210
1211     /* Build the base name */
1212     RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].BaseName);
1213     RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1214
1215     /* Check if this is a child of the root */
1216     if (RegName.Buffer[RegName.Length / sizeof(WCHAR) - 1] == '\\')
1217     {
1218         /* Then setup the whole name */
1219         RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1220         RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1221     }
1222
1223     /* Now add the rest of the file name */
1224     RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1225     FileName.Length = FileStart;
1226     RtlAppendStringToString((PSTRING)&FileName, (PSTRING)&TempName);
1227     if (!CmpMachineHiveList[i].CmHive)
1228     {
1229         /* We need to allocate a new hive structure */
1230         CmpMachineHiveList[i].Allocate = TRUE;
1231
1232         /* Load the hive file */
1233         Status = CmpInitHiveFromFile(&FileName,
1234                                      CmpMachineHiveList[i].HHiveFlags,
1235                                      &CmHive,
1236                                      &CmpMachineHiveList[i].Allocate,
1237                                      0);
1238         if (!(NT_SUCCESS(Status)) ||
1239             (!(CmHive->FileHandles[HFILE_TYPE_LOG]) && !(CmpMiniNTBoot))) // HACK
1240         {
1241             /* We failed or couldn't get a log file, raise a hard error */
1242             ErrorParameters = &FileName;
1243             NtRaiseHardError(STATUS_CANNOT_LOAD_REGISTRY_FILE,
1244                              1,
1245                              1,
1246                              (PULONG_PTR)&ErrorParameters,
1247                              OptionOk,
1248                              &ErrorResponse);
1249         }
1250
1251         /* Set the hive flags and newly allocated hive pointer */
1252         CmHive->Flags = CmpMachineHiveList[i].CmHiveFlags;
1253         CmpMachineHiveList[i].CmHive2 = CmHive;
1254     }
1255     else
1256     {
1257         /* We already have a hive, is it volatile? */
1258         CmHive = CmpMachineHiveList[i].CmHive;
1259         if (!(CmHive->Hive.HiveFlags & HIVE_VOLATILE))
1260         {
1261             /* It's now, open the hive file and log */
1262             Status = CmpOpenHiveFiles(&FileName,
1263                                       L".LOG",
1264                                       &PrimaryHandle,
1265                                       &LogHandle,
1266                                       &PrimaryDisposition,
1267                                       &SecondaryDisposition,
1268                                       TRUE,
1269                                       TRUE,
1270                                       FALSE,
1271                                       &ClusterSize);
1272             if (!(NT_SUCCESS(Status)) || !(LogHandle))
1273             {
1274                 /* Couldn't open the hive or its log file, raise a hard error */
1275                 ErrorParameters = &FileName;
1276                 NtRaiseHardError(STATUS_CANNOT_LOAD_REGISTRY_FILE,
1277                                  1,
1278                                  1,
1279                                  (PULONG_PTR)&ErrorParameters,
1280                                  OptionOk,
1281                                  &ErrorResponse);
1282
1283                 /* And bugcheck for posterity's sake */
1284                 KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 9, 0, i, Status);
1285             }
1286
1287             /* Save the file handles. This should remove our sync hacks */
1288             CmHive->FileHandles[HFILE_TYPE_LOG] = LogHandle;
1289             CmHive->FileHandles[HFILE_TYPE_PRIMARY] = PrimaryHandle;
1290
1291             /* Allow lazy flushing since the handles are there -- remove sync hacks */
1292             //ASSERT(CmHive->Hive.HiveFlags & HIVE_NOLAZYFLUSH);
1293             CmHive->Hive.HiveFlags &= ~HIVE_NOLAZYFLUSH;
1294
1295             /* Get the real size of the hive */
1296             Length = CmHive->Hive.Storage[Stable].Length + HBLOCK_SIZE;
1297
1298             /* Check if the cluster size doesn't match */
1299             if (CmHive->Hive.Cluster != ClusterSize) ASSERT(FALSE);
1300
1301             /* Set the file size */
1302             DPRINT("FIXME: Should set file size: %lx\n", Length);
1303             //if (!CmpFileSetSize((PHHIVE)CmHive, HFILE_TYPE_PRIMARY, Length, Length))
1304             {
1305                 /* This shouldn't fail */
1306                 //ASSERT(FALSE);
1307             }
1308
1309             /* Another thing we don't support is NTLDR-recovery */
1310             if (CmHive->Hive.BaseBlock->BootRecover) ASSERT(FALSE);
1311
1312             /* Finally, set our allocated hive to the same hive we've had */
1313             CmpMachineHiveList[i].CmHive2 = CmHive;
1314             ASSERT(CmpMachineHiveList[i].CmHive == CmpMachineHiveList[i].CmHive2);
1315         }
1316     }
1317
1318     /* We're done */
1319     CmpMachineHiveList[i].ThreadFinished = TRUE;
1320
1321     /* Check if we're the last worker */
1322     WorkerCount = InterlockedIncrement(&CmpLoadWorkerIncrement);
1323     if (WorkerCount == CM_NUMBER_OF_MACHINE_HIVES)
1324     {
1325         /* Signal the event */
1326         KeSetEvent(&CmpLoadWorkerEvent, 0, FALSE);
1327     }
1328
1329     /* Kill the thread */
1330     PsTerminateSystemThread(Status);
1331 }
1332
1333 VOID
1334 NTAPI
1335 CmpInitializeHiveList(IN USHORT Flag)
1336 {
1337     WCHAR FileBuffer[MAX_PATH], RegBuffer[MAX_PATH], ConfigPath[MAX_PATH];
1338     UNICODE_STRING TempName, FileName, RegName;
1339     HANDLE Thread;
1340     NTSTATUS Status;
1341     ULONG i;
1342     USHORT RegStart;
1343     PSECURITY_DESCRIPTOR SecurityDescriptor;
1344     PAGED_CODE();
1345
1346     /* Allow writing for now */
1347     CmpNoWrite = FALSE;
1348
1349     /* Build the file name and registry name strings */
1350     RtlInitEmptyUnicodeString(&FileName, FileBuffer, MAX_PATH);
1351     RtlInitEmptyUnicodeString(&RegName, RegBuffer, MAX_PATH);
1352
1353     /* Now build the system root path */
1354     CmpGetRegistryPath(ConfigPath);
1355     RtlInitUnicodeString(&TempName, ConfigPath);
1356     RtlAppendStringToString((PSTRING)&FileName, (PSTRING)&TempName);
1357
1358     /* And build the registry root path */
1359     RtlInitUnicodeString(&TempName, L"\\REGISTRY\\");
1360     RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1361     RegStart = RegName.Length;
1362
1363     /* Setup the event to synchronize workers */
1364     KeInitializeEvent(&CmpLoadWorkerEvent, SynchronizationEvent, FALSE);
1365
1366     /* Enter special boot condition */
1367     CmpSpecialBootCondition = TRUE;
1368
1369     /* Create the SD for the root hives */
1370     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1371
1372     /* Loop every hive we care about */
1373     for (i = 0; i < CM_NUMBER_OF_MACHINE_HIVES; i++)
1374     {
1375         /* Make sure the list is setup */
1376         ASSERT(CmpMachineHiveList[i].Name != NULL);
1377
1378         /* Create a thread to handle this hive */
1379         Status = PsCreateSystemThread(&Thread,
1380                                       THREAD_ALL_ACCESS,
1381                                       NULL,
1382                                       0,
1383                                       NULL,
1384                                       CmpLoadHiveThread,
1385                                       UlongToPtr(i));
1386         if (NT_SUCCESS(Status))
1387         {
1388             /* We don't care about the handle -- the thread self-terminates */
1389             ZwClose(Thread);
1390         }
1391         else
1392         {
1393             /* Can't imagine this happening */
1394             KeBugCheckEx(BAD_SYSTEM_CONFIG_INFO, 9, 3, i, Status);
1395         }
1396     }
1397
1398     /* Make sure we've reached the end of the list */
1399     ASSERT(CmpMachineHiveList[i].Name == NULL);
1400
1401     /* Wait for hive loading to finish */
1402     KeWaitForSingleObject(&CmpLoadWorkerEvent,
1403                           Executive,
1404                           KernelMode,
1405                           FALSE,
1406                           NULL);
1407
1408     /* Exit the special boot condition and make sure all workers completed */
1409     CmpSpecialBootCondition = FALSE;
1410     ASSERT(CmpLoadWorkerIncrement == CM_NUMBER_OF_MACHINE_HIVES);
1411
1412     /* Loop hives again */
1413     for (i = 0; i < CM_NUMBER_OF_MACHINE_HIVES; i++)
1414     {
1415         /* Make sure the thread ran and finished */
1416         ASSERT(CmpMachineHiveList[i].ThreadFinished == TRUE);
1417         ASSERT(CmpMachineHiveList[i].ThreadStarted == TRUE);
1418
1419         /* Check if this was a new hive */
1420         if (!CmpMachineHiveList[i].CmHive)
1421         {
1422             /* Make sure we allocated something */
1423             ASSERT(CmpMachineHiveList[i].CmHive2 != NULL);
1424
1425             /* Build the base name */
1426             RegName.Length = RegStart;
1427             RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].BaseName);
1428             RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1429
1430             /* Check if this is a child of the root */
1431             if (RegName.Buffer[RegName.Length / sizeof(WCHAR) - 1] == '\\')
1432             {
1433                 /* Then setup the whole name */
1434                 RtlInitUnicodeString(&TempName, CmpMachineHiveList[i].Name);
1435                 RtlAppendStringToString((PSTRING)&RegName, (PSTRING)&TempName);
1436             }
1437
1438             /* Now link the hive to its master */
1439             Status = CmpLinkHiveToMaster(&RegName,
1440                                          NULL,
1441                                          CmpMachineHiveList[i].CmHive2,
1442                                          CmpMachineHiveList[i].Allocate,
1443                                          SecurityDescriptor);
1444             if (Status != STATUS_SUCCESS)
1445             {
1446                 /* Linking needs to work */
1447                 KeBugCheckEx(CONFIG_LIST_FAILED, 11, Status, i, (ULONG_PTR)&RegName);
1448             }
1449
1450             /* Check if we had to allocate a new hive */
1451             if (CmpMachineHiveList[i].Allocate)
1452             {
1453                 /* Sync the new hive */
1454                 //HvSyncHive((PHHIVE)(CmpMachineHiveList[i].CmHive2));
1455             }
1456         }
1457
1458         /* Check if we created a new hive */
1459         if (CmpMachineHiveList[i].CmHive2)
1460         {
1461             /* Add to HiveList key */
1462             CmpAddToHiveFileList(CmpMachineHiveList[i].CmHive2);
1463         }
1464     }
1465
1466     /* Get rid of the SD */
1467     ExFreePoolWithTag(SecurityDescriptor, TAG_CM);
1468
1469     /* Link SECURITY to SAM */
1470     CmpLinkKeyToHive(L"\\Registry\\Machine\\Security\\SAM",
1471                      L"\\Registry\\Machine\\SAM\\SAM");
1472
1473     /* Link S-1-5-18 to .Default */
1474     CmpLinkKeyToHive(L"\\Registry\\User\\S-1-5-18",
1475                      L"\\Registry\\User\\.Default");
1476 }
1477
1478 BOOLEAN
1479 NTAPI
1480 INIT_FUNCTION
1481 CmInitSystem1(VOID)
1482 {
1483     OBJECT_ATTRIBUTES ObjectAttributes;
1484     UNICODE_STRING KeyName;
1485     HANDLE KeyHandle;
1486     NTSTATUS Status;
1487     PCMHIVE HardwareHive;
1488     PSECURITY_DESCRIPTOR SecurityDescriptor;
1489     PAGED_CODE();
1490
1491     /* Check if this is PE-boot */
1492     if (InitIsWinPEMode)
1493     {
1494         /* Set registry to PE mode */
1495         CmpMiniNTBoot = TRUE;
1496         CmpShareSystemHives = TRUE;
1497     }
1498
1499     /* Initialize the hive list and lock */
1500     InitializeListHead(&CmpHiveListHead);
1501     ExInitializePushLock(&CmpHiveListHeadLock);
1502     ExInitializePushLock(&CmpLoadHiveLock);
1503
1504     /* Initialize registry lock */
1505     ExInitializeResourceLite(&CmpRegistryLock);
1506
1507     /* Initialize the cache */
1508     CmpInitializeCache();
1509
1510     /* Initialize allocation and delayed dereferencing */
1511     CmpInitCmPrivateAlloc();
1512     CmpInitCmPrivateDelayAlloc();
1513     CmpInitDelayDerefKCBEngine();
1514
1515     /* Initialize callbacks */
1516     CmpInitCallback();
1517
1518     /* Initialize self healing */
1519     KeInitializeGuardedMutex(&CmpSelfHealQueueLock);
1520     InitializeListHead(&CmpSelfHealQueueListHead);
1521
1522     /* Save the current process and lock the registry */
1523     CmpSystemProcess = PsGetCurrentProcess();
1524
1525     /* Create the key object types */
1526     Status = CmpCreateObjectTypes();
1527     if (!NT_SUCCESS(Status))
1528     {
1529         /* Bugcheck */
1530         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 1, Status, 0);
1531     }
1532
1533     /* Build the master hive */
1534     Status = CmpInitializeHive((PCMHIVE*)&CmiVolatileHive,
1535                                HINIT_CREATE,
1536                                HIVE_VOLATILE,
1537                                HFILE_TYPE_PRIMARY,
1538                                NULL,
1539                                NULL,
1540                                NULL,
1541                                NULL,
1542                                NULL,
1543                                0);
1544     if (!NT_SUCCESS(Status))
1545     {
1546         /* Bugcheck */
1547         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 2, Status, 0);
1548     }
1549
1550     /* Create the \REGISTRY key node */
1551     if (!CmpCreateRegistryRoot())
1552     {
1553         /* Bugcheck */
1554         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 3, 0, 0);
1555     }
1556
1557     /* Create the default security descriptor */
1558     SecurityDescriptor = CmpHiveRootSecurityDescriptor();
1559
1560     /* Create '\Registry\Machine' key. */
1561     RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\MACHINE");
1562     InitializeObjectAttributes(&ObjectAttributes,
1563                                &KeyName,
1564                                OBJ_CASE_INSENSITIVE,
1565                                NULL,
1566                                SecurityDescriptor);
1567     Status = NtCreateKey(&KeyHandle,
1568                          KEY_READ | KEY_WRITE,
1569                          &ObjectAttributes,
1570                          0,
1571                          NULL,
1572                          0,
1573                          NULL);
1574     if (!NT_SUCCESS(Status))
1575     {
1576         /* Bugcheck */
1577         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 5, Status, 0);
1578     }
1579
1580     /* Close the handle */
1581     NtClose(KeyHandle);
1582
1583     /* Create '\Registry\User' key. */
1584     RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\USER");
1585     InitializeObjectAttributes(&ObjectAttributes,
1586                                &KeyName,
1587                                OBJ_CASE_INSENSITIVE,
1588                                NULL,
1589                                SecurityDescriptor);
1590     Status = NtCreateKey(&KeyHandle,
1591                          KEY_READ | KEY_WRITE,
1592                          &ObjectAttributes,
1593                          0,
1594                          NULL,
1595                          0,
1596                          NULL);
1597     if (!NT_SUCCESS(Status))
1598     {
1599         /* Bugcheck */
1600         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 6, Status, 0);
1601     }
1602
1603     /* Close the handle */
1604     NtClose(KeyHandle);
1605
1606     /* Initialize the system hive */
1607     if (!CmpInitializeSystemHive(KeLoaderBlock))
1608     {
1609         /* Bugcheck */
1610         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 7, 0, 0);
1611     }
1612
1613     /* Create the 'CurrentControlSet' link. */
1614     Status = CmpCreateControlSet(KeLoaderBlock);
1615     if (!NT_SUCCESS(Status))
1616     {
1617         /* Bugcheck */
1618         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 8, Status, 0);
1619     }
1620
1621     /* Create the hardware hive */
1622     Status = CmpInitializeHive((PCMHIVE*)&HardwareHive,
1623                                HINIT_CREATE,
1624                                HIVE_VOLATILE,
1625                                HFILE_TYPE_PRIMARY,
1626                                NULL,
1627                                NULL,
1628                                NULL,
1629                                NULL,
1630                                NULL,
1631                                0);
1632     if (!NT_SUCCESS(Status))
1633     {
1634         /* Bugcheck */
1635         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 11, Status, 0);
1636     }
1637
1638     /* Add the hive to the hive list */
1639     CmpMachineHiveList[0].CmHive = (PCMHIVE)HardwareHive;
1640
1641     /* Attach it to the machine key */
1642     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\HARDWARE");
1643     Status = CmpLinkHiveToMaster(&KeyName,
1644                                  NULL,
1645                                  (PCMHIVE)HardwareHive,
1646                                  TRUE,
1647                                  SecurityDescriptor);
1648     if (!NT_SUCCESS(Status))
1649     {
1650         /* Bugcheck */
1651         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 12, Status, 0);
1652     }
1653
1654     /* Add to HiveList key */
1655     CmpAddToHiveFileList(HardwareHive);
1656
1657     /* Free the security descriptor */
1658     ExFreePoolWithTag(SecurityDescriptor, TAG_CM);
1659
1660     /* Fill out the Hardware key with the ARC Data from the Loader */
1661     Status = CmpInitializeHardwareConfiguration(KeLoaderBlock);
1662     if (!NT_SUCCESS(Status))
1663     {
1664         /* Bugcheck */
1665         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 13, Status, 0);
1666     }
1667
1668     /* Initialize machine-dependent information into the registry */
1669     Status = CmpInitializeMachineDependentConfiguration(KeLoaderBlock);
1670     if (!NT_SUCCESS(Status))
1671     {
1672         /* Bugcheck */
1673         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 14, Status, 0);
1674     }
1675
1676     /* Initialize volatile registry settings */
1677     Status = CmpSetSystemValues(KeLoaderBlock);
1678     if (!NT_SUCCESS(Status))
1679     {
1680         /* Bugcheck */
1681         KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 1, 15, Status, 0);
1682     }
1683
1684     /* Free the load options */
1685     ExFreePoolWithTag(CmpLoadOptions.Buffer, TAG_CM);
1686
1687     /* If we got here, all went well */
1688     return TRUE;
1689 }
1690
1691 VOID
1692 NTAPI
1693 INIT_FUNCTION
1694 CmpFreeDriverList(IN PHHIVE Hive,
1695                   IN PLIST_ENTRY DriverList)
1696 {
1697     PLIST_ENTRY NextEntry, OldEntry;
1698     PBOOT_DRIVER_NODE DriverNode;
1699     PAGED_CODE();
1700
1701     /* Parse the current list */
1702     NextEntry = DriverList->Flink;
1703     while (NextEntry != DriverList)
1704     {
1705         /* Get the driver node */
1706         DriverNode = CONTAINING_RECORD(NextEntry, BOOT_DRIVER_NODE, ListEntry.Link);
1707
1708         /* Get the next entry now, since we're going to free it later */
1709         OldEntry = NextEntry;
1710         NextEntry = NextEntry->Flink;
1711
1712         /* Was there a name? */
1713         if (DriverNode->Name.Buffer)
1714         {
1715             /* Free it */
1716             CmpFree(DriverNode->Name.Buffer, DriverNode->Name.Length);
1717         }
1718
1719         /* Was there a registry path? */
1720         if (DriverNode->ListEntry.RegistryPath.Buffer)
1721         {
1722             /* Free it */
1723             CmpFree(DriverNode->ListEntry.RegistryPath.Buffer,
1724                     DriverNode->ListEntry.RegistryPath.MaximumLength);
1725         }
1726
1727         /* Was there a file path? */
1728         if (DriverNode->ListEntry.FilePath.Buffer)
1729         {
1730             /* Free it */
1731             CmpFree(DriverNode->ListEntry.FilePath.Buffer,
1732                     DriverNode->ListEntry.FilePath.MaximumLength);
1733         }
1734
1735         /* Now free the node, and move on */
1736         CmpFree(OldEntry, sizeof(BOOT_DRIVER_NODE));
1737     }
1738 }
1739
1740 PUNICODE_STRING*
1741 NTAPI
1742 INIT_FUNCTION
1743 CmGetSystemDriverList(VOID)
1744 {
1745     LIST_ENTRY DriverList;
1746     OBJECT_ATTRIBUTES ObjectAttributes;
1747     NTSTATUS Status;
1748     PCM_KEY_BODY KeyBody;
1749     PHHIVE Hive;
1750     HCELL_INDEX RootCell, ControlCell;
1751     HANDLE KeyHandle;
1752     UNICODE_STRING KeyName;
1753     PLIST_ENTRY NextEntry;
1754     ULONG i;
1755     PUNICODE_STRING* ServicePath = NULL;
1756     BOOLEAN Success, AutoSelect;
1757     PBOOT_DRIVER_LIST_ENTRY DriverEntry;
1758     PAGED_CODE();
1759
1760     /* Initialize the driver list */
1761     InitializeListHead(&DriverList);
1762
1763     /* Open the system hive key */
1764     RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\System");
1765     InitializeObjectAttributes(&ObjectAttributes,
1766                                &KeyName,
1767                                OBJ_CASE_INSENSITIVE,
1768                                NULL,
1769                                NULL);
1770     Status = NtOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
1771     if (!NT_SUCCESS(Status)) return NULL;
1772
1773     /* Reference the key object to get the root hive/cell to access directly */
1774     Status = ObReferenceObjectByHandle(KeyHandle,
1775                                        KEY_QUERY_VALUE,
1776                                        CmpKeyObjectType,
1777                                        KernelMode,
1778                                        (PVOID*)&KeyBody,
1779                                        NULL);
1780     if (!NT_SUCCESS(Status))
1781     {
1782         /* Fail */
1783         NtClose(KeyHandle);
1784         return NULL;
1785     }
1786
1787     /* Do all this under the registry lock */
1788     CmpLockRegistryExclusive();
1789
1790     /* Get the hive and key cell */
1791     Hive = KeyBody->KeyControlBlock->KeyHive;
1792     RootCell = KeyBody->KeyControlBlock->KeyCell;
1793
1794     /* Open the current control set key */
1795     RtlInitUnicodeString(&KeyName, L"Current");
1796     ControlCell = CmpFindControlSet(Hive, RootCell, &KeyName, &AutoSelect);
1797     if (ControlCell == HCELL_NIL) goto EndPath;
1798
1799     /* Find all system drivers */
1800     Success = CmpFindDrivers(Hive, ControlCell, SystemLoad, NULL, &DriverList);
1801     if (!Success) goto EndPath;
1802
1803     /* Sort by group/tag */
1804     if (!CmpSortDriverList(Hive, ControlCell, &DriverList)) goto EndPath;
1805
1806     /* Remove circular dependencies (cycles) and sort */
1807     if (!CmpResolveDriverDependencies(&DriverList)) goto EndPath;
1808
1809     /* Loop the list to count drivers */
1810     for (i = 0, NextEntry = DriverList.Flink;
1811          NextEntry != &DriverList;
1812          i++, NextEntry = NextEntry->Flink);
1813
1814     /* Allocate the array */
1815     ServicePath = ExAllocatePool(NonPagedPool, (i + 1) * sizeof(PUNICODE_STRING));
1816     if (!ServicePath) KeBugCheckEx(CONFIG_INITIALIZATION_FAILED, 2, 1, 0, 0);
1817
1818     /* Loop the driver list */
1819     for (i = 0, NextEntry = DriverList.Flink;
1820          NextEntry != &DriverList;
1821          i++, NextEntry = NextEntry->Flink)
1822     {
1823         /* Get the entry */
1824         DriverEntry = CONTAINING_RECORD(NextEntry, BOOT_DRIVER_LIST_ENTRY, Link);
1825
1826         /* Allocate the path for the caller and duplicate the registry path */
1827         ServicePath[i] = ExAllocatePool(NonPagedPool, sizeof(UNICODE_STRING));
1828         RtlDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
1829                                   &DriverEntry->RegistryPath,
1830                                   ServicePath[i]);
1831     }
1832
1833     /* Terminate the list */
1834     ServicePath[i] = NULL;
1835
1836 EndPath:
1837     /* Free the driver list if we had one */
1838     if (!IsListEmpty(&DriverList)) CmpFreeDriverList(Hive, &DriverList);
1839
1840     /* Unlock the registry */
1841     CmpUnlockRegistry();
1842
1843     /* Close the key handle and dereference the object, then return the path */
1844     ObDereferenceObject(KeyBody);
1845     NtClose(KeyHandle);
1846     return ServicePath;
1847 }
1848
1849 VOID
1850 NTAPI
1851 CmpLockRegistryExclusive(VOID)
1852 {
1853     /* Enter a critical region and lock the registry */
1854     KeEnterCriticalRegion();
1855     ExAcquireResourceExclusiveLite(&CmpRegistryLock, TRUE);
1856
1857     /* Sanity check */
1858     ASSERT(CmpFlushStarveWriters == 0);
1859     RtlGetCallersAddress(&CmpRegistryLockCaller, &CmpRegistryLockCallerCaller);
1860 }
1861
1862 VOID
1863 NTAPI
1864 CmpLockRegistry(VOID)
1865 {
1866     /* Enter a critical region */
1867     KeEnterCriticalRegion();
1868
1869     /* Check if we have to starve writers */
1870     if (CmpFlushStarveWriters)
1871     {
1872         /* Starve exlusive waiters */
1873         ExAcquireSharedStarveExclusive(&CmpRegistryLock, TRUE);
1874     }
1875     else
1876     {
1877         /* Just grab the lock */
1878         ExAcquireResourceSharedLite(&CmpRegistryLock, TRUE);
1879     }
1880 }
1881
1882 BOOLEAN
1883 NTAPI
1884 CmpTestRegistryLock(VOID)
1885 {
1886     /* Test the lock */
1887     return !ExIsResourceAcquiredSharedLite(&CmpRegistryLock) ? FALSE : TRUE;
1888 }
1889
1890 BOOLEAN
1891 NTAPI
1892 CmpTestRegistryLockExclusive(VOID)
1893 {
1894     /* Test the lock */
1895     return !ExIsResourceAcquiredExclusiveLite(&CmpRegistryLock) ? FALSE : TRUE;
1896 }
1897
1898 VOID
1899 NTAPI
1900 CmpLockHiveFlusherExclusive(IN PCMHIVE Hive)
1901 {
1902     /* Lock the flusher. We should already be in a critical section */
1903     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1904     ASSERT((ExIsResourceAcquiredShared(Hive->FlusherLock) == 0) &&
1905            (ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) == 0));
1906     ExAcquireResourceExclusiveLite(Hive->FlusherLock, TRUE);
1907 }
1908
1909 VOID
1910 NTAPI
1911 CmpLockHiveFlusherShared(IN PCMHIVE Hive)
1912 {
1913     /* Lock the flusher. We should already be in a critical section */
1914     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1915     ASSERT((ExIsResourceAcquiredShared(Hive->FlusherLock) == 0) &&
1916            (ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) == 0));
1917     ExAcquireResourceSharedLite(Hive->FlusherLock, TRUE);
1918 }
1919
1920 VOID
1921 NTAPI
1922 CmpUnlockHiveFlusher(IN PCMHIVE Hive)
1923 {
1924     /* Sanity check */
1925     CMP_ASSERT_REGISTRY_LOCK_OR_LOADING(Hive);
1926     CMP_ASSERT_FLUSH_LOCK(Hive);
1927
1928     /* Release the lock */
1929     ExReleaseResourceLite(Hive->FlusherLock);
1930 }
1931
1932 BOOLEAN
1933 NTAPI
1934 CmpTestHiveFlusherLockShared(IN PCMHIVE Hive)
1935 {
1936     /* Test the lock */
1937     return !ExIsResourceAcquiredSharedLite(Hive->FlusherLock) ? FALSE : TRUE;
1938 }
1939
1940 BOOLEAN
1941 NTAPI
1942 CmpTestHiveFlusherLockExclusive(IN PCMHIVE Hive)
1943 {
1944     /* Test the lock */
1945     return !ExIsResourceAcquiredExclusiveLite(Hive->FlusherLock) ? FALSE : TRUE;
1946 }
1947
1948 VOID
1949 NTAPI
1950 CmpUnlockRegistry(VOID)
1951 {
1952     /* Sanity check */
1953     CMP_ASSERT_REGISTRY_LOCK();
1954
1955     /* Check if we should flush the registry */
1956     if (CmpFlushOnLockRelease)
1957     {
1958         /* The registry should be exclusively locked for this */
1959         CMP_ASSERT_EXCLUSIVE_REGISTRY_LOCK();
1960
1961         /* Flush the registry */
1962         CmpDoFlushAll(TRUE);
1963         CmpFlushOnLockRelease = FALSE;
1964     }
1965     else
1966     {
1967         /* Lazy flush the registry */
1968         CmpLazyFlush();
1969     }
1970
1971     /* Release the lock and leave the critical region */
1972     ExReleaseResourceLite(&CmpRegistryLock);
1973     KeLeaveCriticalRegion();
1974 }
1975
1976 VOID
1977 NTAPI
1978 CmpAcquireTwoKcbLocksExclusiveByKey(IN ULONG ConvKey1,
1979                                     IN ULONG ConvKey2)
1980 {
1981     ULONG Index1, Index2;
1982
1983     /* Sanity check */
1984     CMP_ASSERT_REGISTRY_LOCK();
1985
1986     /* Get hash indexes */
1987     Index1 = GET_HASH_INDEX(ConvKey1);
1988     Index2 = GET_HASH_INDEX(ConvKey2);
1989
1990     /* See which one is highest */
1991     if (Index1 < Index2)
1992     {
1993         /* Grab them in the proper order */
1994         CmpAcquireKcbLockExclusiveByKey(ConvKey1);
1995         CmpAcquireKcbLockExclusiveByKey(ConvKey2);
1996     }
1997     else
1998     {
1999         /* Grab the second one first, then the first */
2000         CmpAcquireKcbLockExclusiveByKey(ConvKey2);
2001         if (Index1 != Index2) CmpAcquireKcbLockExclusiveByKey(ConvKey1);
2002     }
2003 }
2004
2005 VOID
2006 NTAPI
2007 CmpReleaseTwoKcbLockByKey(IN ULONG ConvKey1,
2008                           IN ULONG ConvKey2)
2009 {
2010     ULONG Index1, Index2;
2011
2012     /* Sanity check */
2013     CMP_ASSERT_REGISTRY_LOCK();
2014
2015     /* Get hash indexes */
2016     Index1 = GET_HASH_INDEX(ConvKey1);
2017     Index2 = GET_HASH_INDEX(ConvKey2);
2018     ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey2).Owner == KeGetCurrentThread()) ||
2019            (CmpTestRegistryLockExclusive()));
2020
2021     /* See which one is highest */
2022     if (Index1 < Index2)
2023     {
2024         /* Grab them in the proper order */
2025         ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey1).Owner == KeGetCurrentThread()) ||
2026                (CmpTestRegistryLockExclusive()));
2027         CmpReleaseKcbLockByKey(ConvKey2);
2028         CmpReleaseKcbLockByKey(ConvKey1);
2029     }
2030     else
2031     {
2032         /* Release the first one first, then the second */
2033         if (Index1 != Index2)
2034         {
2035             ASSERT((GET_HASH_ENTRY(CmpCacheTable, ConvKey1).Owner == KeGetCurrentThread()) ||
2036                    (CmpTestRegistryLockExclusive()));
2037             CmpReleaseKcbLockByKey(ConvKey1);
2038         }
2039         CmpReleaseKcbLockByKey(ConvKey2);
2040     }
2041 }
2042
2043 VOID
2044 NTAPI
2045 CmShutdownSystem(VOID)
2046 {
2047     /* Kill the workers */
2048     if (!CmFirstTime) CmpShutdownWorkers();
2049
2050     /* Flush all hives */
2051     CmpLockRegistryExclusive();
2052     CmpDoFlushAll(TRUE);
2053     CmpUnlockRegistry();
2054 }
2055
2056 VOID
2057 NTAPI
2058 CmpSetVersionData(VOID)
2059 {
2060     OBJECT_ATTRIBUTES ObjectAttributes;
2061     UNICODE_STRING KeyName;
2062     UNICODE_STRING ValueName;
2063     UNICODE_STRING ValueData;
2064     HANDLE SoftwareKeyHandle = NULL;
2065     HANDLE MicrosoftKeyHandle = NULL;
2066     HANDLE WindowsNtKeyHandle = NULL;
2067     HANDLE CurrentVersionKeyHandle = NULL;
2068     WCHAR Buffer[128];
2069     NTSTATUS Status;
2070
2071     /* Open the 'CurrentVersion' key */
2072     RtlInitUnicodeString(&KeyName,
2073                          L"\\REGISTRY\\MACHINE\\SOFTWARE");
2074
2075     InitializeObjectAttributes(&ObjectAttributes,
2076                                &KeyName,
2077                                OBJ_CASE_INSENSITIVE,
2078                                NULL,
2079                                NULL);
2080
2081     Status = NtCreateKey(&SoftwareKeyHandle,
2082                          KEY_CREATE_SUB_KEY,
2083                          &ObjectAttributes,
2084                          0,
2085                          NULL,
2086                          0,
2087                          NULL);
2088     if (!NT_SUCCESS(Status))
2089     {
2090         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2091         return;
2092     }
2093
2094     /* Open the 'CurrentVersion' key */
2095     RtlInitUnicodeString(&KeyName,
2096                          L"Microsoft");
2097
2098     InitializeObjectAttributes(&ObjectAttributes,
2099                                &KeyName,
2100                                OBJ_CASE_INSENSITIVE,
2101                                SoftwareKeyHandle,
2102                                NULL);
2103
2104     Status = NtCreateKey(&MicrosoftKeyHandle,
2105                          KEY_CREATE_SUB_KEY,
2106                          &ObjectAttributes,
2107                          0,
2108                          NULL,
2109                          0,
2110                          NULL);
2111     if (!NT_SUCCESS(Status))
2112     {
2113         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2114         goto done;
2115     }
2116
2117     /* Open the 'CurrentVersion' key */
2118     RtlInitUnicodeString(&KeyName,
2119                          L"Windows NT");
2120
2121     InitializeObjectAttributes(&ObjectAttributes,
2122                                &KeyName,
2123                                OBJ_CASE_INSENSITIVE,
2124                                MicrosoftKeyHandle,
2125                                NULL);
2126
2127     Status = NtCreateKey(&WindowsNtKeyHandle,
2128                          KEY_CREATE_SUB_KEY,
2129                          &ObjectAttributes,
2130                          0,
2131                          NULL,
2132                          0,
2133                          NULL);
2134     if (!NT_SUCCESS(Status))
2135     {
2136         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2137         goto done;
2138     }
2139
2140     /* Open the 'CurrentVersion' key */
2141     RtlInitUnicodeString(&KeyName,
2142                          L"CurrentVersion");
2143
2144     InitializeObjectAttributes(&ObjectAttributes,
2145                                &KeyName,
2146                                OBJ_CASE_INSENSITIVE,
2147                                WindowsNtKeyHandle,
2148                                NULL);
2149
2150     Status = NtCreateKey(&CurrentVersionKeyHandle,
2151                          KEY_CREATE_SUB_KEY | KEY_SET_VALUE,
2152                          &ObjectAttributes,
2153                          0,
2154                          NULL,
2155                          0,
2156                          NULL);
2157     if (!NT_SUCCESS(Status))
2158     {
2159         DPRINT1("Failed to create key %wZ (Status: %08lx)\n", &KeyName, Status);
2160         goto done;
2161     }
2162
2163     /* Set the 'CurrentType' value */
2164     RtlInitUnicodeString(&ValueName,
2165                          L"CurrentType");
2166
2167 #ifdef CONFIG_SMP
2168     wcscpy(Buffer, L"Multiprocessor");
2169 #else
2170     wcscpy(Buffer, L"Uniprocessor");
2171 #endif
2172
2173     wcscat(Buffer, L" ");
2174
2175 #if (DBG == 1)
2176     wcscat(Buffer, L"Checked");
2177 #else
2178     wcscat(Buffer, L"Free");
2179 #endif
2180
2181     RtlInitUnicodeString(&ValueData,
2182                          Buffer);
2183
2184     ZwSetValueKey(CurrentVersionKeyHandle,
2185                   &ValueName,
2186                   0,
2187                   REG_SZ,
2188                   ValueData.Buffer,
2189                   ValueData.Length + sizeof(WCHAR));
2190
2191 done:;
2192     /* Close the keys */
2193     if (CurrentVersionKeyHandle != NULL)
2194         NtClose(CurrentVersionKeyHandle);
2195
2196     if (WindowsNtKeyHandle != NULL)
2197         NtClose(WindowsNtKeyHandle);
2198
2199     if (MicrosoftKeyHandle != NULL)
2200         NtClose(MicrosoftKeyHandle);
2201
2202     if (SoftwareKeyHandle != NULL)
2203         NtClose(SoftwareKeyHandle);
2204 }
2205
2206 /* EOF */