653 lines
16 KiB
C
653 lines
16 KiB
C
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/*++
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Copyright (C) 1999 Microsoft Corporation
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Module Name:
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merge.c
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Abstract:
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this module merges the configurations provided via a pair of
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MM datastructures..
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--*/
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#include <precomp.h>
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BOOL
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ClassesConflict(
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IN PM_CLASSDEF Class1,
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IN PM_CLASSDEF Class2
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)
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{
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LPWSTR Comment1, Comment2;
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if( Class1->IsVendor != Class2->IsVendor ) return TRUE;
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if( wcscmp(Class1->Name, Class2->Name) ) return TRUE;
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Comment1 = Class1->Comment; Comment2 = Class2->Comment;
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if( NULL == Comment1 ) Comment1 = L"";
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if( NULL == Comment2 ) Comment2 = L"";
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if( wcscmp(Comment1, Comment2) ) return TRUE;
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if( Class1->nBytes != Class2->nBytes ) return TRUE;
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if( memcmp(Class1->ActualBytes, Class2->ActualBytes,
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Class1->nBytes ) ) {
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return TRUE;
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}
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return FALSE;
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}
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DWORD
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AddClassesCallback(
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IN OUT PMM_ITERATE_CTXT Ctxt
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)
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{
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DWORD Error;
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PM_SERVER Server = Ctxt->ExtraCtxt;
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PM_CLASSDEF ClassDef;
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Error = MemServerGetClassDef(
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Server, 0,
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Ctxt->ClassDef->Name,
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Ctxt->ClassDef->nBytes,
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Ctxt->ClassDef->ActualBytes,
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&ClassDef );
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if( NO_ERROR == Error ) {
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//
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// Check if the classdef matches
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//
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if( ClassesConflict( ClassDef, Ctxt->ClassDef ) ) {
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Tr("Class %ws conflicts with class %ws\n",
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ClassDef->Name, Ctxt->ClassDef->Name );
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DhcpEximErrorClassConflicts(
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ClassDef->Name, Ctxt->ClassDef->Name );
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return ERROR_CAN_NOT_COMPLETE;
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}
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return NO_ERROR;
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}
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return MemServerAddClassDef(
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Server, MemNewClassId(),
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Ctxt->ClassDef->IsVendor,
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Ctxt->ClassDef->Name,
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Ctxt->ClassDef->Comment,
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Ctxt->ClassDef->nBytes,
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Ctxt->ClassDef->ActualBytes );
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}
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DWORD
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GetClassIdByName(
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IN PM_SERVER Server,
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IN LPWSTR Name
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)
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{
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PM_CLASSDEF ClassDef;
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DWORD Error;
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Error = MemServerGetClassDef(
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Server, 0, Name, 0, NULL, &ClassDef );
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if( NO_ERROR != Error ) return 0;
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return ClassDef->ClassId;
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}
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BOOL
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OptDefsConflict(
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IN PM_OPTDEF OptDef1,
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IN PM_OPTDEF OptDef2
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)
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{
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LPWSTR Comment1, Comment2;
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if( OptDef1->OptId != OptDef2->OptId ) return TRUE;
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if( wcscmp(OptDef1->OptName, OptDef2->OptName ) ) return TRUE;
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Comment1 = OptDef1->OptComment; Comment2 = OptDef2->OptComment;
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if( NULL == Comment1 ) Comment1 = L"";
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if( NULL == Comment2 ) Comment2 = L"";
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if( wcscmp(Comment1, Comment2) ) return TRUE;
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if( OptDef1->OptValLen != OptDef2->OptValLen ) return TRUE;
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if( memcmp(OptDef1->OptVal, OptDef2->OptVal,
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OptDef1->OptValLen)) return TRUE;
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return FALSE;
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}
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DWORD
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AddOptdefsCallback(
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IN OUT PMM_ITERATE_CTXT Ctxt
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)
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{
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DWORD Error, ClassId, VendorId;
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PM_SERVER Server = Ctxt->ExtraCtxt;
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PM_OPTDEF OptDef;
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//
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// Get the user and vendor class id's
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//
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if( Ctxt->UserClass == NULL ) ClassId = 0;
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else {
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ClassId = GetClassIdByName( Server, Ctxt->UserClass->Name );
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if( 0 == ClassId ) {
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Tr("Class %ws doesnt exist\n", Ctxt->UserClass->Name );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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if( Ctxt->VendorClass == NULL ) VendorId = 0;
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else {
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VendorId = GetClassIdByName( Server, Ctxt->VendorClass->Name );
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if( 0 == VendorId ) {
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Tr("Class %ws doesnt exist\n", Ctxt->VendorClass->Name );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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//
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// Next check if the specified optdef exists already
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//
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Error = MemServerGetOptDef(
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Server, ClassId, VendorId, Ctxt->OptDef->OptId,
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Ctxt->OptDef->OptName, &OptDef );
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if( NO_ERROR == Error ) {
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if( OptDefsConflict( OptDef, Ctxt->OptDef ) ) {
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Tr("Optdef %ws conflicts with %ws\n",
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OptDef->OptName, Ctxt->OptDef->OptName );
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//
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// attempt to overwrite existing optdef
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//
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//DhcpEximErrorOptdefConflicts(
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// OptDef->OptName, Ctxt->OptDef->OptName );
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// return ERROR_CAN_NOT_COMPLETE;
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return NO_ERROR;
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}
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return NO_ERROR;
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}
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//
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// Now add the optdef
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//
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return MemServerAddOptDef(
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Server, ClassId, VendorId, Ctxt->OptDef->OptId,
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Ctxt->OptDef->OptName, Ctxt->OptDef->OptComment,
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Ctxt->OptDef->Type, Ctxt->OptDef->OptVal,
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Ctxt->OptDef->OptValLen );
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}
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DWORD static
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SetOptionValue(
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IN PM_SERVER Server,
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IN PM_SUBNET Subnet OPTIONAL,
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IN PM_RESERVATION Res OPTIONAL,
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IN ULONG OptId,
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IN LPWSTR UserClass,
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IN LPWSTR VendorClass,
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IN LPBYTE Val,
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IN ULONG Len
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)
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{
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DWORD Error, ClassId, VendorId;
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PM_OPTCLASS OptClass;
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PM_OPTION Option, DeletedOption;
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//
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// Get the user and vendor class id's
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//
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if( UserClass == NULL ) ClassId = 0;
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else {
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ClassId = GetClassIdByName( Server, UserClass );
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if( 0 == ClassId ) {
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Tr("Class %ws doesnt exist\n", UserClass );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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if( VendorClass == NULL ) VendorId = 0;
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else {
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VendorId = GetClassIdByName( Server, VendorClass );
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if( 0 == VendorId ) {
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Tr("Class %ws doesnt exist\n", VendorClass );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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Error = MemOptInit( &Option, OptId, Len, Val );
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if( ERROR_SUCCESS != Error ) return Error;
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DeletedOption = NULL;
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if( NULL != Res ) {
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OptClass = &Res->Options;
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} else if( NULL != Subnet ) {
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OptClass = &Subnet->Options;
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} else {
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OptClass = &Server->Options;
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}
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Error = MemOptClassAddOption(
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OptClass, Option, ClassId, VendorId, &DeletedOption );
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if( ERROR_SUCCESS == Error && DeletedOption ) {
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MemFree(DeletedOption); // if we did replace, free the old option
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}
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if( ERROR_SUCCESS != Error ) { // something went wrong, clean up
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ULONG LocalError = MemOptCleanup(Option);
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ASSERT(ERROR_SUCCESS == LocalError);
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}
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return Error;
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}
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DWORD
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GetOptionValue(
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IN PM_SERVER Server,
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IN PM_SUBNET Subnet OPTIONAL,
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IN PM_RESERVATION Res OPTIONAL,
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IN ULONG OptId,
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IN LPWSTR UserClass,
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IN LPWSTR VendorClass,
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OUT LPBYTE *Val,
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OUT ULONG *Len
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)
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{
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DWORD Error, ClassId, VendorId;
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PM_OPTCLASS OptClass;
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PM_OPTLIST OptList;
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PM_OPTION Opt;
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//
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// Get the user and vendor class id's
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//
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if( UserClass == NULL ) ClassId = 0;
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else {
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ClassId = GetClassIdByName( Server, UserClass );
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if( 0 == ClassId ) {
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Tr("Class %ws doesnt exist\n", UserClass );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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if( VendorClass == NULL ) VendorId = 0;
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else {
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VendorId = GetClassIdByName( Server, VendorClass );
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if( 0 == VendorId ) {
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Tr("Class %ws doesnt exist\n", VendorClass );
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return ERROR_DHCP_CLASS_NOT_FOUND;
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}
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}
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//
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// get the options
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//
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if( NULL != Res ) {
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OptClass = &Res->Options;
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} else if( NULL != Subnet ) {
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OptClass = &Subnet->Options;
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} else {
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OptClass = &Server->Options;
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}
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//
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// Check if option exists
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//
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Error = MemOptClassFindClassOptions(
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OptClass, ClassId, VendorId, &OptList );
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if( NO_ERROR == Error ) {
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Error = MemOptListFindOption( OptList, OptId, &Opt );
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if( NO_ERROR == Error ) {
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*Val = Opt->Val;
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*Len = Opt->Len;
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return NO_ERROR;
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}
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}
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return ERROR_DHCP_OPTION_NOT_PRESENT;
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}
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DWORD
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AddOptionsCallbackEx(
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IN OUT PMM_ITERATE_CTXT Ctxt,
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IN PM_SUBNET Subnet OPTIONAL,
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IN PM_RESERVATION Res OPTIONAL
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)
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{
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DWORD Error, Len;
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PM_SERVER Server = Ctxt->ExtraCtxt;
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LPBYTE Val;
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WCHAR Buff1[10], Buf2[30];
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LPWSTR ResAddress = NULL, OptId, SubnetName = NULL;
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//
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// Check for option conflict
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//
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wsprintf(Buff1, L"%ld", Ctxt->Option->OptId );
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OptId = (LPWSTR)Buff1;
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if( Res ) {
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Subnet = (PM_SUBNET) Res->SubnetPtr;
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IpAddressToStringW( Res->Address, Buf2);
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ResAddress = (LPWSTR)Buf2;
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}
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if( Subnet ) {
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Server = (PM_SERVER) Subnet->ServerPtr;
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SubnetName = Subnet->Name;
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}
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Error = GetOptionValue(
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Server, Subnet, Res, Ctxt->Option->OptId,
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Ctxt->UserClass ? Ctxt->UserClass->Name : NULL,
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Ctxt->VendorClass ? Ctxt->VendorClass->Name : NULL,
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&Val , &Len );
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if( NO_ERROR == Error ) {
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if( Len != Ctxt->Option->Len ||
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memcmp( Ctxt->Option->Val, Val, Len ) ) {
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Tr("Options conflict for opt id %ld\n", Ctxt->Option->OptId );
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DhcpEximErrorOptionConflits(
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SubnetName, ResAddress, OptId,
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Ctxt->UserClass ? Ctxt->UserClass->Name : NULL,
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Ctxt->VendorClass ? Ctxt->VendorClass->Name : NULL
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);
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return ERROR_CAN_NOT_COMPLETE;
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}
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return NO_ERROR;
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} else if( ERROR_DHCP_OPTION_NOT_PRESENT != Error ) {
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Tr("GetOptionValue: %ld\n", Error );
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return Error;
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}
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//
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// Create option
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//
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return SetOptionValue(
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Server, Subnet, Res, Ctxt->Option->OptId,
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Ctxt->UserClass ? Ctxt->UserClass->Name : NULL,
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Ctxt->VendorClass ? Ctxt->VendorClass->Name : NULL,
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Ctxt->Option->Val, Ctxt->Option->Len );
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}
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DWORD
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AddOptionsCallback(
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IN OUT PMM_ITERATE_CTXT Ctxt
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)
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{
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return AddOptionsCallbackEx(
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Ctxt, NULL, NULL );
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}
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DWORD
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AddSubnetOptionsCallback(
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IN OUT PMM_ITERATE_CTXT Ctxt
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)
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||
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{
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return AddOptionsCallbackEx(
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Ctxt, (PM_SUBNET)Ctxt->ExtraCtxt, NULL );
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}
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DWORD
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AddReservationOptionsCallback(
|
||
|
|
IN PMM_ITERATE_CTXT Ctxt
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return AddOptionsCallbackEx(
|
||
|
|
Ctxt, NULL, (PM_RESERVATION)Ctxt->ExtraCtxt );
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
AddReservationsCallback(
|
||
|
|
IN OUT PMM_ITERATE_CTXT Ctxt
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD Error;
|
||
|
|
PM_SERVER Server;
|
||
|
|
PM_SUBNET Subnet;
|
||
|
|
PM_RESERVATION Res;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create the reservations
|
||
|
|
//
|
||
|
|
|
||
|
|
Server = ((PM_SUBNET)Ctxt->ExtraCtxt)->ServerPtr;
|
||
|
|
Error = MemServerGetAddressInfo(
|
||
|
|
Server, Ctxt->Res->Address, &Subnet, NULL, NULL, NULL );
|
||
|
|
ASSERT( NO_ERROR == Error );
|
||
|
|
|
||
|
|
Error = MemReserveAdd(
|
||
|
|
&Subnet->Reservations, Ctxt->Res->Address,
|
||
|
|
Ctxt->Res->Flags, Ctxt->Res->ClientUID, Ctxt->Res->nBytes );
|
||
|
|
if( NO_ERROR != Error ) return Error;
|
||
|
|
|
||
|
|
Error = MemServerGetAddressInfo(
|
||
|
|
Server, Ctxt->Res->Address, NULL, NULL, NULL, &Res );
|
||
|
|
ASSERT( NO_ERROR == Error );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Now add subnet options
|
||
|
|
//
|
||
|
|
|
||
|
|
Res->SubnetPtr = Subnet;
|
||
|
|
Error = IterateReservationOptions(
|
||
|
|
Ctxt->Server, Ctxt->Res, Res, AddReservationOptionsCallback );
|
||
|
|
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddReservationOptionsCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NO_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
AddSubnetsCallback(
|
||
|
|
IN OUT PMM_ITERATE_CTXT Ctxt
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD Error, SScopeId;
|
||
|
|
PM_SUBNET Subnet;
|
||
|
|
PM_SSCOPE SScope;
|
||
|
|
PM_SERVER Server = Ctxt->ExtraCtxt;
|
||
|
|
WCHAR SubnetIpAdress[30];
|
||
|
|
|
||
|
|
IpAddressToStringW(Ctxt->Scope->Address, (LPWSTR)SubnetIpAdress);
|
||
|
|
|
||
|
|
//
|
||
|
|
// First locate the superscope and create it if needed
|
||
|
|
//
|
||
|
|
|
||
|
|
SScopeId = 0;
|
||
|
|
if( NULL != Ctxt->SScope ) {
|
||
|
|
Error = MemServerFindSScope(
|
||
|
|
Server, 0, Ctxt->SScope->Name, &SScope );
|
||
|
|
if( ERROR_FILE_NOT_FOUND == Error ) {
|
||
|
|
Error = MemSScopeInit(
|
||
|
|
&SScope, 0, Ctxt->SScope->Name );
|
||
|
|
if( NO_ERROR != Error ) return Error;
|
||
|
|
|
||
|
|
Error = MemServerAddSScope(Server,SScope);
|
||
|
|
ASSERT( NO_ERROR == Error );
|
||
|
|
if( NO_ERROR != Error ) return Error;
|
||
|
|
|
||
|
|
} else if( NO_ERROR != Error ) {
|
||
|
|
|
||
|
|
Tr("FindSScope(%ws):%ld\n", Ctxt->SScope->Name, Error);
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
SScopeId = SScope->SScopeId;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create the subnet..
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = MemSubnetInit(
|
||
|
|
&Subnet,
|
||
|
|
Ctxt->Scope->Address,
|
||
|
|
Ctxt->Scope->Mask,
|
||
|
|
Ctxt->Scope->State,
|
||
|
|
SScopeId,
|
||
|
|
Ctxt->Scope->Name,
|
||
|
|
Ctxt->Scope->Description
|
||
|
|
);
|
||
|
|
if( ERROR_SUCCESS != Error ) return Error;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the subnet..
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = MemServerAddSubnet( Server, Subnet );
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
MemSubnetCleanup( Subnet );
|
||
|
|
|
||
|
|
if( ERROR_OBJECT_ALREADY_EXISTS == Error ) {
|
||
|
|
//
|
||
|
|
// Subnet already exists -- this is a conflict
|
||
|
|
//
|
||
|
|
DhcpEximErrorSubnetAlreadyPresent(
|
||
|
|
(LPWSTR)SubnetIpAdress, Ctxt->Scope->Name );
|
||
|
|
|
||
|
|
Error = ERROR_CAN_NOT_COMPLETE;
|
||
|
|
}
|
||
|
|
|
||
|
|
Tr("AddSubnet %ws failed: %ld\n", Ctxt->Scope->Name, Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Before adding the options, first copy the ranges and
|
||
|
|
// exclusions..
|
||
|
|
//
|
||
|
|
|
||
|
|
Subnet->Ranges = Ctxt->Scope->Ranges;
|
||
|
|
Subnet->Exclusions = Ctxt->Scope->Exclusions;
|
||
|
|
MemArrayInit( &Ctxt->Scope->Ranges );
|
||
|
|
MemArrayInit( &Ctxt->Scope->Exclusions );
|
||
|
|
|
||
|
|
//
|
||
|
|
// now add the other stuff
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = IterateScopeOptions(
|
||
|
|
Ctxt->Scope, Subnet, AddSubnetOptionsCallback );
|
||
|
|
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddSubnetOptionsCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
Error = IterateScopeReservations(
|
||
|
|
Ctxt->Scope, Subnet, AddReservationsCallback );
|
||
|
|
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddReservationsCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NO_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MergeConfigurations(
|
||
|
|
IN OUT PM_SERVER DestServer,
|
||
|
|
IN OUT PM_SERVER Server
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine merges the configuration provided in "Server"
|
||
|
|
onto the configuration already present in "DestServer".
|
||
|
|
|
||
|
|
Rule 1. The subnets that exist in DestServer should not
|
||
|
|
conflict with the subnets that are to be merged from Server.
|
||
|
|
|
||
|
|
Rule 2. The classes that exist in DestServer should not
|
||
|
|
conflict the classes that are to be added from Server.
|
||
|
|
|
||
|
|
Rule 3. The optdefs that exist in DestServer should not
|
||
|
|
conflict the optdefs that are to be added from Server.
|
||
|
|
|
||
|
|
Rule 4. The options that exist in DestServer shoult not
|
||
|
|
conflict with the options that are to be added from Server.
|
||
|
|
|
||
|
|
For all but the first rule, exact duplicates are not
|
||
|
|
considered conflicts.
|
||
|
|
|
||
|
|
Note: When subnet ranges and exclusions are merged in, they
|
||
|
|
are also removed from "Server"...
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
DWORD Error;
|
||
|
|
|
||
|
|
Tr("Entering MergeConfigurations\n");
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the class defs first
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = IterateClasses(
|
||
|
|
Server, DestServer, AddClassesCallback );
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddClassesCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the optdefs
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = IterateOptDefs(
|
||
|
|
Server, DestServer, AddOptdefsCallback );
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddOptdefsCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the global options..
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = IterateServerOptions(
|
||
|
|
Server, DestServer, AddOptionsCallback );
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("AddOptionsCallback: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add the subnets
|
||
|
|
//
|
||
|
|
|
||
|
|
Error = IterateScopes(
|
||
|
|
Server, DestServer, AddSubnetsCallback );
|
||
|
|
if( NO_ERROR != Error ) {
|
||
|
|
Tr("IterateScopes: %ld\n", Error );
|
||
|
|
return Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// done..
|
||
|
|
//
|
||
|
|
return NO_ERROR;
|
||
|
|
}
|