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c2d0d784c7
- Create a branch to do a proper merge of USB work from a trunk base instead of from cmake-bringup - In the future, DO NOT under any circumstances branch another branch. This leads to merge problems! svn path=/branches/usb-bringup-trunk/; revision=55018
540 lines
14 KiB
C
540 lines
14 KiB
C
/*
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* PROJECT: Local Security Authority Server DLL
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/win32/lsasrv/database.c
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* PURPOSE: LSA object database
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* COPYRIGHT: Copyright 2011 Eric Kohl
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*/
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/* INCLUDES ****************************************************************/
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#include "lsasrv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(lsasrv);
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/* GLOBALS *****************************************************************/
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static HANDLE SecurityKeyHandle = NULL;
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/* FUNCTIONS ***************************************************************/
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static NTSTATUS
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LsapOpenServiceKey(VOID)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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NTSTATUS Status;
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RtlInitUnicodeString(&KeyName,
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L"\\Registry\\Machine\\SECURITY");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = RtlpNtOpenKey(&SecurityKeyHandle,
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KEY_READ | KEY_CREATE_SUB_KEY | KEY_ENUMERATE_SUB_KEYS,
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&ObjectAttributes,
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0);
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return Status;
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}
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static BOOLEAN
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LsapIsDatabaseInstalled(VOID)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE KeyHandle;
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NTSTATUS Status;
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RtlInitUnicodeString(&KeyName,
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L"Policy");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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SecurityKeyHandle,
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NULL);
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Status = RtlpNtOpenKey(&KeyHandle,
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KEY_READ,
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&ObjectAttributes,
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0);
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if (!NT_SUCCESS(Status))
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return FALSE;
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NtClose(KeyHandle);
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return TRUE;
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}
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static NTSTATUS
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LsapCreateDatabaseKeys(VOID)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE PolicyKeyHandle = NULL;
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HANDLE AccountsKeyHandle = NULL;
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HANDLE DomainsKeyHandle = NULL;
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HANDLE SecretsKeyHandle = NULL;
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NTSTATUS Status = STATUS_SUCCESS;
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TRACE("LsapInstallDatabase()\n");
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/* Create the 'Policy' key */
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RtlInitUnicodeString(&KeyName,
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L"Policy");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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SecurityKeyHandle,
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NULL);
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Status = NtCreateKey(&PolicyKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the 'Policy' key (Status: 0x%08lx)\n", Status);
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goto Done;
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}
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/* Create the 'Accounts' key */
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RtlInitUnicodeString(&KeyName,
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L"Accounts");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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PolicyKeyHandle,
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NULL);
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Status = NtCreateKey(&AccountsKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the 'Accounts' key (Status: 0x%08lx)\n", Status);
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goto Done;
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}
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/* Create the 'Domains' key */
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RtlInitUnicodeString(&KeyName,
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L"Domains");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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PolicyKeyHandle,
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NULL);
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Status = NtCreateKey(&DomainsKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the 'Domains' key (Status: 0x%08lx)\n", Status);
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goto Done;
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}
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/* Create the 'Secrets' key */
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RtlInitUnicodeString(&KeyName,
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L"Secrets");
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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PolicyKeyHandle,
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NULL);
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Status = NtCreateKey(&SecretsKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the 'Secrets' key (Status: 0x%08lx)\n", Status);
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goto Done;
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}
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Done:
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if (SecretsKeyHandle != NULL)
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NtClose(SecretsKeyHandle);
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if (DomainsKeyHandle != NULL)
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NtClose(DomainsKeyHandle);
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if (AccountsKeyHandle != NULL)
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NtClose(AccountsKeyHandle);
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if (PolicyKeyHandle != NULL)
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NtClose(PolicyKeyHandle);
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TRACE("LsapInstallDatabase() done (Status: 0x%08lx)\n", Status);
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return Status;
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}
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static NTSTATUS
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LsapCreateDatabaseObjects(VOID)
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{
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PLSA_DB_OBJECT DbObject = NULL;
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/* Open the 'Policy' object */
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DbObject = (PLSA_DB_OBJECT)LsapCreateDbObject(NULL,
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L"Policy",
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TRUE,
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LsaDbPolicyObject,
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0);
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if (DbObject != NULL)
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{
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LsapSetObjectAttribute(DbObject,
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L"PolPrDmN",
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NULL,
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0);
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LsapSetObjectAttribute(DbObject,
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L"PolPrDmS",
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NULL,
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0);
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LsapSetObjectAttribute(DbObject,
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L"PolAcDmN",
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NULL,
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0);
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LsapSetObjectAttribute(DbObject,
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L"PolAcDmS",
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NULL,
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0);
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/* Close the 'Policy' object */
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LsapCloseDbObject((LSAPR_HANDLE)DbObject);
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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LsapUpdateDatabase(VOID)
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{
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return STATUS_SUCCESS;
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}
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NTSTATUS
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LsapInitDatabase(VOID)
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{
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NTSTATUS Status;
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TRACE("LsapInitDatabase()\n");
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Status = LsapOpenServiceKey();
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to open the service key (Status: 0x%08lx)\n", Status);
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return Status;
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}
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if (!LsapIsDatabaseInstalled())
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{
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Status = LsapCreateDatabaseKeys();
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the LSA database keys (Status: 0x%08lx)\n", Status);
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return Status;
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}
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Status = LsapCreateDatabaseObjects();
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to create the LSA database objects (Status: 0x%08lx)\n", Status);
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return Status;
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}
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}
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else
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{
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Status = LsapUpdateDatabase();
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if (!NT_SUCCESS(Status))
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{
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ERR("Failed to update the LSA database (Status: 0x%08lx)\n", Status);
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return Status;
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}
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}
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TRACE("LsapInitDatabase() done\n");
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return STATUS_SUCCESS;
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}
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LSAPR_HANDLE
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LsapCreateDbObject(LSAPR_HANDLE ParentHandle,
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LPWSTR ObjectName,
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BOOLEAN Open,
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LSA_DB_OBJECT_TYPE ObjectType,
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ACCESS_MASK DesiredAccess)
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{
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PLSA_DB_OBJECT ParentObject = (PLSA_DB_OBJECT)ParentHandle;
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PLSA_DB_OBJECT DbObject;
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE ParentKeyHandle;
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HANDLE ObjectKeyHandle;
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NTSTATUS Status;
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if (ParentHandle != NULL)
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ParentKeyHandle = ParentObject->KeyHandle;
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else
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ParentKeyHandle = SecurityKeyHandle;
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RtlInitUnicodeString(&KeyName,
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ObjectName);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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ParentKeyHandle,
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NULL);
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if (Open == TRUE)
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{
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Status = NtOpenKey(&ObjectKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes);
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}
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else
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{
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Status = NtCreateKey(&ObjectKeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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}
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if (!NT_SUCCESS(Status))
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{
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return NULL;
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}
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DbObject = (PLSA_DB_OBJECT)RtlAllocateHeap(RtlGetProcessHeap(),
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0,
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sizeof(LSA_DB_OBJECT));
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if (DbObject == NULL)
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{
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NtClose(ObjectKeyHandle);
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return NULL;
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}
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DbObject->Signature = LSAP_DB_SIGNATURE;
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DbObject->RefCount = 0;
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DbObject->ObjectType = ObjectType;
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DbObject->Access = DesiredAccess;
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DbObject->KeyHandle = ObjectKeyHandle;
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DbObject->ParentObject = ParentObject;
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if (ParentObject != NULL)
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ParentObject->RefCount++;
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return (LSAPR_HANDLE)DbObject;
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}
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NTSTATUS
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LsapValidateDbObject(LSAPR_HANDLE Handle,
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LSA_DB_OBJECT_TYPE ObjectType,
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ACCESS_MASK GrantedAccess)
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{
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PLSA_DB_OBJECT DbObject = (PLSA_DB_OBJECT)Handle;
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BOOLEAN bValid = FALSE;
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_SEH2_TRY
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{
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if (DbObject->Signature == LSAP_DB_SIGNATURE)
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{
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if ((ObjectType == LsaDbIgnoreObject) ||
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(DbObject->ObjectType == ObjectType))
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bValid = TRUE;
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}
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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bValid = FALSE;
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}
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_SEH2_END;
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if (bValid == FALSE)
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return STATUS_INVALID_HANDLE;
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if (GrantedAccess != 0)
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{
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/* FIXME: Check for granted access rights */
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS
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LsapCloseDbObject(LSAPR_HANDLE Handle)
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{
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PLSA_DB_OBJECT DbObject = (PLSA_DB_OBJECT)Handle;
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if (DbObject->RefCount != 0)
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return STATUS_UNSUCCESSFUL;
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if (DbObject->ParentObject != NULL)
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DbObject->ParentObject->RefCount--;
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if (DbObject->KeyHandle != NULL)
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NtClose(DbObject->KeyHandle);
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RtlFreeHeap(RtlGetProcessHeap(), 0, DbObject);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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LsapSetObjectAttribute(PLSA_DB_OBJECT DbObject,
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LPWSTR AttributeName,
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LPVOID AttributeData,
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ULONG AttributeSize)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE AttributeKey;
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NTSTATUS Status;
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RtlInitUnicodeString(&KeyName,
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AttributeName);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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DbObject->KeyHandle,
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NULL);
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Status = NtCreateKey(&AttributeKey,
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KEY_SET_VALUE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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Status = RtlpNtSetValueKey(AttributeKey,
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REG_NONE,
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AttributeData,
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AttributeSize);
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NtClose(AttributeKey);
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return Status;
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}
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NTSTATUS
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LsapGetObjectAttribute(PLSA_DB_OBJECT DbObject,
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LPWSTR AttributeName,
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LPVOID AttributeData,
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PULONG AttributeSize)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING KeyName;
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HANDLE AttributeKey;
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ULONG ValueSize;
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NTSTATUS Status;
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RtlInitUnicodeString(&KeyName,
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AttributeName);
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InitializeObjectAttributes(&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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DbObject->KeyHandle,
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NULL);
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Status = NtOpenKey(&AttributeKey,
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KEY_QUERY_VALUE,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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ValueSize = *AttributeSize;
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Status = RtlpNtQueryValueKey(AttributeKey,
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NULL,
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NULL,
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&ValueSize,
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0);
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if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_OVERFLOW)
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{
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goto Done;
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}
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if (AttributeData == NULL || *AttributeSize == 0)
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{
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*AttributeSize = ValueSize;
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Status = STATUS_SUCCESS;
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goto Done;
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}
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else if (*AttributeSize < ValueSize)
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{
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*AttributeSize = ValueSize;
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Status = STATUS_BUFFER_OVERFLOW;
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goto Done;
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}
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Status = RtlpNtQueryValueKey(AttributeKey,
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NULL,
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AttributeData,
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&ValueSize,
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0);
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if (NT_SUCCESS(Status))
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{
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*AttributeSize = ValueSize;
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}
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Done:
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NtClose(AttributeKey);
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return Status;
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}
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/* EOF */
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