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371 lines
10 KiB
371 lines
10 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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DomName.c
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Abstract:
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This file contains NetpGetDomainName().
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Author:
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John Rogers (JohnRo) 09-Jan-1992
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Environment:
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User Mode - Win32
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Portable to any flat, 32-bit environment. (Uses Win32 typedefs.)
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Requires ANSI C extensions: slash-slash comments, long external names.
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Revision History:
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09-Jan-1992 JohnRo
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Created.
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13-Feb-1992 JohnRo
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Moved section name equates to ConfName.h.
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13-Mar-1992 JohnRo
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Get rid of old config helper callers.
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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 <netdebug.h> // LPDEBUG_STRING typedef.
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#include <config.h> // NetpConfig helpers.
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#include <confname.h> // SECT_NT_ equates.
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#include <debuglib.h> // IF_DEBUG().
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#include <netlib.h> // My prototype.
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#include <winerror.h> // ERROR_ equates, NO_ERROR.
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NET_API_STATUS
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NetpGetDomainNameExExEx (
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OUT LPTSTR *DomainNamePtr,
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OUT LPTSTR *DnsDomainNamePtr OPTIONAL,
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OUT LPTSTR *DnsForestNamePtr OPTIONAL,
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OUT GUID **DomainGuidPtr OPTIONAL,
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OUT PBOOLEAN IsWorkgroupName
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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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Free the returned buffer user NetApiBufferFree.
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DnsDomainNamePtr - Returns the DNS name of the domain this machine is
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a member of. NULL is returned if the machine is not a member of
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a domain or if that domain has no DNS name.
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Free the returned buffer user NetApiBufferFree.
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DnsForestNamePtr - Returns the DNS forest name of the forest this
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machine is in. NULL is returned if the machine is not a member of
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a domain or if that domain has no DNS name.
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Free the returned buffer user NetApiBufferFree.
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DomainGuidPtr - Returns the domain GUID of the domain this machine is
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a member of. NULL is return if the machine is not a member of
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a domain or if that domain has no domain GUID.
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Free the returned buffer user NetApiBufferFree.
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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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NET_API_STATUS NetStatus;
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NTSTATUS Status;
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LSA_HANDLE PolicyHandle = NULL;
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PPOLICY_DNS_DOMAIN_INFO PrimaryDomainInfo = NULL;
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OBJECT_ATTRIBUTES ObjAttributes;
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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 ERROR_INVALID_PARAMETER;
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}
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*DomainNamePtr = NULL;
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if ( ARGUMENT_PRESENT(DnsDomainNamePtr)) {
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*DnsDomainNamePtr = NULL;
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}
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if ( ARGUMENT_PRESENT(DnsForestNamePtr)) {
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*DnsForestNamePtr = NULL;
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}
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if ( ARGUMENT_PRESENT(DomainGuidPtr)) {
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*DomainGuidPtr = NULL;
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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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Status = LsaOpenPolicy(
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NULL,
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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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if (! NT_SUCCESS(Status)) {
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NetpKdPrint(("NetpGetDomainName: LsaOpenPolicy returned " FORMAT_NTSTATUS
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"\n", Status));
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NetStatus = NERR_CfgCompNotFound;
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goto Cleanup;
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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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PolicyDnsDomainInformation,
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(PVOID *) &PrimaryDomainInfo
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);
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if (! NT_SUCCESS(Status)) {
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NetpKdPrint(("NetpGetDomainName: LsaQueryInformationPolicy failed "
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FORMAT_NTSTATUS "\n", Status));
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NetStatus = NERR_CfgCompNotFound;
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goto Cleanup;
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}
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//
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// Copy the Netbios domain name.
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//
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if ((NetStatus = NetApiBufferAllocate(
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PrimaryDomainInfo->Name.Length + sizeof(WCHAR),
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DomainNamePtr
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)) != NERR_Success) {
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goto Cleanup;
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}
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memcpy(
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*DomainNamePtr,
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PrimaryDomainInfo->Name.Buffer,
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PrimaryDomainInfo->Name.Length
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);
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(*DomainNamePtr)[PrimaryDomainInfo->Name.Length/sizeof(WCHAR)] = L'\0';
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//
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// Copy the DNS domain name.
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//
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if ( ARGUMENT_PRESENT(DnsDomainNamePtr) &&
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PrimaryDomainInfo->DnsDomainName.Length != 0 ) {
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if ((NetStatus = NetApiBufferAllocate(
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PrimaryDomainInfo->DnsDomainName.Length + sizeof(WCHAR),
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DnsDomainNamePtr
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)) != NERR_Success) {
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goto Cleanup;
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}
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memcpy(
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*DnsDomainNamePtr,
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PrimaryDomainInfo->DnsDomainName.Buffer,
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PrimaryDomainInfo->DnsDomainName.Length
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);
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(*DnsDomainNamePtr)[PrimaryDomainInfo->DnsDomainName.Length/sizeof(WCHAR)] = L'\0';
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}
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//
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// Copy the DNS forest name.
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//
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if ( ARGUMENT_PRESENT(DnsForestNamePtr) &&
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PrimaryDomainInfo->DnsForestName.Length != 0 ) {
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if ((NetStatus = NetApiBufferAllocate(
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PrimaryDomainInfo->DnsForestName.Length + sizeof(WCHAR),
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DnsForestNamePtr
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)) != NERR_Success) {
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goto Cleanup;
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}
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memcpy(
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*DnsForestNamePtr,
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PrimaryDomainInfo->DnsForestName.Buffer,
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PrimaryDomainInfo->DnsForestName.Length
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);
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(*DnsForestNamePtr)[PrimaryDomainInfo->DnsForestName.Length/sizeof(WCHAR)] = L'\0';
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}
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//
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// Copy the domain GUID.
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//
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if ( ARGUMENT_PRESENT(DomainGuidPtr) &&
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RtlCompareMemoryUlong( &PrimaryDomainInfo->DomainGuid,
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sizeof(GUID),
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0 ) != sizeof(GUID) ) {
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if ((NetStatus = NetApiBufferAllocate(
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sizeof(GUID),
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DomainGuidPtr
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)) != NERR_Success) {
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goto Cleanup;
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}
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memcpy( *DomainGuidPtr, &PrimaryDomainInfo->DomainGuid, sizeof(GUID));
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}
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*IsWorkgroupName = (PrimaryDomainInfo->Sid == NULL);
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IF_DEBUG(CONFIG) {
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NetpKdPrint(("NetpGetDomainName got " FORMAT_LPTSTR "\n",
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*DomainNamePtr));
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}
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NetStatus = NO_ERROR;
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Cleanup:
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if ( NetStatus != NO_ERROR ) {
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if ( *DomainNamePtr != NULL ) {
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NetApiBufferFree( *DomainNamePtr );
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*DomainNamePtr = NULL;
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}
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if ( ARGUMENT_PRESENT(DnsDomainNamePtr)) {
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if ( *DnsDomainNamePtr != NULL ) {
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NetApiBufferFree( *DnsDomainNamePtr );
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*DnsDomainNamePtr = NULL;
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}
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}
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if ( ARGUMENT_PRESENT(DnsForestNamePtr)) {
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if ( *DnsForestNamePtr != NULL ) {
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NetApiBufferFree( *DnsForestNamePtr );
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*DnsForestNamePtr = NULL;
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}
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}
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if ( ARGUMENT_PRESENT(DomainGuidPtr)) {
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if ( *DomainGuidPtr != NULL ) {
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NetApiBufferFree( *DomainGuidPtr );
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*DomainGuidPtr = NULL;
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}
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}
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}
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if ( PrimaryDomainInfo != NULL ) {
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(void) LsaFreeMemory((PVOID) PrimaryDomainInfo);
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}
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if ( PolicyHandle != NULL ) {
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(void) LsaClose(PolicyHandle);
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}
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return NetStatus;
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}
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NET_API_STATUS
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NetpGetDomainNameExEx (
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OUT LPTSTR *DomainNamePtr,
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OUT LPTSTR *DnsDomainNamePtr OPTIONAL,
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OUT PBOOLEAN IsWorkgroupName
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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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Free the returned buffer user NetApiBufferFree.
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DnsDomainNamePtr - Returns the DNS name of the domain this machine is
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is member of. NULL is returned if the machine is not a member of
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a domain or for that domain has no DNS name.
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Free the returned buffer user NetApiBufferFree.
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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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return NetpGetDomainNameExExEx( DomainNamePtr, DnsDomainNamePtr, NULL, NULL, IsWorkgroupName );
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}
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NET_API_STATUS
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NetpGetDomainNameEx (
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OUT LPTSTR *DomainNamePtr, // alloc and set ptr (free with NetApiBufferFree)
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OUT PBOOLEAN IsWorkgroupName
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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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return NetpGetDomainNameExExEx( DomainNamePtr, NULL, NULL, NULL, IsWorkgroupName );
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}
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NET_API_STATUS
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NetpGetDomainName (
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IN LPTSTR *DomainNamePtr // alloc and set ptr (free with NetApiBufferFree)
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)
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{
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BOOLEAN IsWorkgroupName;
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return NetpGetDomainNameExExEx( DomainNamePtr, NULL, NULL, NULL, &IsWorkgroupName );
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}
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