148 lines
3.6 KiB
C
148 lines
3.6 KiB
C
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/*************************************************************************
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*
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* domname.c
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*
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* Get domain name given PDC's server name.
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*
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* This was a ripoff of NetpGetDomainNameEx.
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*
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* Copyright (c) 1998 Microsoft Corporation
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*
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*
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*************************************************************************/
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/*
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* Includes
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*/
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#include <nt.h> // NT definitions (temporary)
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#include <ntrtl.h> // NT Rtl structure definitions (temporary)
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#include <ntlsa.h>
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#include <windef.h> // Win32 type definitions
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#include <lmcons.h> // LAN Manager common definitions
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#include <lmerr.h> // LAN Manager error code
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#include <lmapibuf.h> // NetApiBufferAllocate()
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#include <winerror.h> // ERROR_ equates, NO_ERROR.
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#undef DBGPRINT
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#define DBGPRINT(_x_) DbgPrint _x_
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NTSTATUS
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GetDomainName (
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IN PWCHAR ServerNamePtr, // name of server to get domain of
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OUT PWCHAR *DomainNamePtr // alloc and set ptr (free with NetApiBufferFree)
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)
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/*++
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Routine Description:
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Returns the name of the domain or workgroup this machine belongs to.
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Arguments:
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DomainNamePtr - The name of the domain or workgroup
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IsWorkgroupName - Returns TRUE if the name is a workgroup name.
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Returns FALSE if the name is a domain name.
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Return Value:
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NERR_Success - Success.
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NERR_CfgCompNotFound - There was an error determining the domain name
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--*/
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{
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NTSTATUS status;
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LSA_HANDLE PolicyHandle;
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PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
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OBJECT_ATTRIBUTES ObjAttributes;
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UNICODE_STRING UniServerName;
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//
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// Check for caller's errors.
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//
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if ( DomainNamePtr == NULL ) {
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Open a handle to the local security policy. Initialize the
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// objects attributes structure first.
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//
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InitializeObjectAttributes(
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&ObjAttributes,
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NULL,
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0L,
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NULL,
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NULL
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);
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RtlInitUnicodeString( &UniServerName, ServerNamePtr );
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status = LsaOpenPolicy(
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&UniServerName,
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&ObjAttributes,
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POLICY_VIEW_LOCAL_INFORMATION,
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&PolicyHandle
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);
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#ifdef DEBUG
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DbgPrint( "GetDomainName: LsaOpenPolicy returned NTSTATUS = 0x%x\n", status );
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#endif // DEBUG
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if (! NT_SUCCESS(status)) {
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return( status );
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}
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//
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// Get the name of the primary domain from LSA
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//
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status = LsaQueryInformationPolicy(
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PolicyHandle,
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PolicyAccountDomainInformation,
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(PVOID *)&DomainInfo
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);
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#ifdef DEBUG
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DbgPrint( "GetDomainName: LsaQueryInformationPolicy returned NTSTATUS = 0x%x\n", status );
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#endif // DEBUG
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if (! NT_SUCCESS(status)) {
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(void) LsaClose(PolicyHandle);
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return( status );
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}
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(void) LsaClose(PolicyHandle);
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if (NetApiBufferAllocate(
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DomainInfo->DomainName.Length + sizeof(WCHAR),
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DomainNamePtr
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) != NERR_Success) {
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(void) LsaFreeMemory((PVOID) DomainInfo);
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return( STATUS_INSUFFICIENT_RESOURCES );
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}
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RtlZeroMemory(
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*DomainNamePtr,
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DomainInfo->DomainName.Length + sizeof(WCHAR)
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);
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memcpy(
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*DomainNamePtr,
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DomainInfo->DomainName.Buffer,
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DomainInfo->DomainName.Length
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);
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(void) LsaFreeMemory((PVOID) DomainInfo);
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return( STATUS_SUCCESS );
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}
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