588 lines
13 KiB
C++
588 lines
13 KiB
C++
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// to be linked with:
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// uuid.lib ole32.lib user32.lib kernel32.lib advapi32.lib wsock32.lib
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// iis\svcs\infocomm\rdns\obj\i386\isrdns.lib iis\svcs\lib\i386\tsstr.lib iis\svcs\lib\i386\isdebug.lib
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#include "stdafx.h"
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#ifndef _CHICAGO_
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#define _RDNS_STANDALONE
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#include <winsock2.h>
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#include <rdns.hxx>
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#include <buffer.hxx>
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#include <ole2.h>
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#include <iadm.h>
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#include <iiscnfg.h>
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#include "mdkey.h"
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#include "mdentry.h"
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#include "helper.h"
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#include <inetinfo.h>
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extern int g_CheckIfMetabaseValueWasWritten;
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#define TIMEOUT_VALUE 5000
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//
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// Global Data
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//
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//
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// The registry parameter key names for the grant list and deny
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// list. We use the kludgemultisz thing for Chicago
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//
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#define IPSEC_DENY_LIST L"Deny IP List"
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#define IPSEC_GRANT_LIST L"Grant IP List"
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//
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// Private prototypes.
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//
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BOOL
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DottedDecimalToDword(
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CHAR * * ppszAddress,
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DWORD * pdwAddress
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);
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CHAR *
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KludgeMultiSz(
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HKEY hkey,
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LPDWORD lpdwLength
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)
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{
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LONG err;
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DWORD iValue;
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DWORD cchTotal;
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DWORD cchValue;
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CHAR szValue[MAX_PATH];
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LPSTR lpMultiSz;
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LPSTR lpTmp;
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LPSTR lpEnd;
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//
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// Enumerate the values and total up the lengths.
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//
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iValue = 0;
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cchTotal = 0;
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for( ; ; )
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{
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cchValue = sizeof(szValue);
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err = RegEnumValueA( hkey,
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iValue,
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szValue,
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&cchValue,
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NULL,
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NULL,
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NULL,
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NULL );
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if( err != NO_ERROR )
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{
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break;
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}
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//
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// Add the length of the value's name, plus one
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// for the terminator.
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//
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cchTotal += strlen( szValue ) + 1;
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//
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// Advance to next value.
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//
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iValue++;
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}
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//
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// Add one for the final terminating NULL.
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//
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cchTotal++;
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*lpdwLength = cchTotal;
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//
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// Allocate the MULTI_SZ buffer.
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//
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lpMultiSz = (CHAR *) LocalAlloc( LMEM_FIXED, cchTotal * sizeof(CHAR) );
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if( lpMultiSz == NULL )
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{
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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return NULL;
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}
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memset( lpMultiSz, 0, cchTotal * sizeof(CHAR) );
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//
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// Enumerate the values and append to the buffer.
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//
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iValue = 0;
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lpTmp = lpMultiSz;
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lpEnd = lpMultiSz + cchTotal;
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for( ; ; )
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{
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cchValue = sizeof(szValue)/sizeof(CHAR);
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err = RegEnumValueA( hkey,
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iValue,
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szValue,
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&cchValue,
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NULL,
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NULL,
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NULL,
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NULL );
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if( err != NO_ERROR )
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{
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break;
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}
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//
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// Compute the length of the value name (including
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// the terminating NULL).
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//
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cchValue = strlen( szValue ) + 1;
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//
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// Determine if there is room in the array, taking into
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// account the second NULL that terminates the string list.
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//
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if( ( lpTmp + cchValue + 1 ) > lpEnd )
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{
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break;
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}
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//
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// Append the value name.
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//
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strcpy( lpTmp, szValue );
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lpTmp += cchValue;
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//
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// Advance to next value.
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//
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iValue++;
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}
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//
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// Success!
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//
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return (LPSTR)lpMultiSz;
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} // KludgeMultiSz
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BOOL
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ReadIPList(
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LPWSTR pszRegKey,
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LPWSTR pszRegSubKey,
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INETA_IP_SEC_LIST** ppIpSec
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)
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/*++
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Description:
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This function reads the IP list from registry location
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specified in the pszRegKey + pszRegSubKey and stores the list in the
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internal list in memory.
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If there are no entries in the registry then this returns
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a NULL IP Security list object.
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If there is a new list, this function also frees the old list
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present in *ppIPSecList
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Arguments:
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pszRegKey - pointer to string containing the registry key
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where pszRegSubKey is located
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pszRegSubKey - pointer to string containing the registry key
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where IP list is stored relative to pszRegKey
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Returns:
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TRUE on success and FALSE on failure
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--*/
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{
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HKEY hkey;
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DWORD dwError;
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BOOL fReturn = TRUE;
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LPWSTR pszK;
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*ppIpSec = NULL;
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if ( (pszK = (LPWSTR)LocalAlloc(LMEM_FIXED, (wcslen(pszRegKey)+wcslen(pszRegSubKey)+2)*sizeof(WCHAR))) == NULL )
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{
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return FALSE;
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}
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wcscpy( pszK, pszRegKey );
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wcscat( pszK, L"\\" );
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wcscat( pszK, pszRegSubKey );
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dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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pszK,
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0,
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KEY_ALL_ACCESS,
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&hkey );
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LocalFree( pszK );
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if ( dwError != NO_ERROR) {
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if ( dwError != ERROR_FILE_NOT_FOUND ) {
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// maybe access denied or some other error.
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SetLastError( dwError );
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return (FALSE);
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}
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//
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// A non-existent key is the same as a blank key
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//
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} else {
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CHAR * psz;
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CHAR * pszTmp;
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DWORD cb;
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DWORD cEntries = 0;
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INETA_IP_SEC_LIST * pIPSec = NULL;
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psz = pszTmp = KludgeMultiSz( hkey, &cb );
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RegCloseKey( hkey );
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//
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// Count the number of addresses and then add them to the list
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//
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if ( psz != NULL ) {
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for( ; *pszTmp; cEntries++ ) {
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pszTmp += strlen( pszTmp ) + 1;
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}
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pszTmp = psz;
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if ( cEntries > 0) {
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pIPSec = ((INETA_IP_SEC_LIST *)
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LocalAlloc( LMEM_FIXED,
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sizeof(INETA_IP_SEC_LIST) +
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cEntries * sizeof(INETA_IP_SEC_ENTRY ))
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);
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if ( pIPSec == NULL ) {
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dwError = ERROR_NOT_ENOUGH_MEMORY;
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fReturn = FALSE;
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} else {
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for( pIPSec->cEntries = 0;
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*pszTmp;
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pszTmp += strlen( pszTmp ) + 1
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) {
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if (!DottedDecimalToDword( &pszTmp,
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&pIPSec->aIPSecEntry[pIPSec->cEntries].dwMask ) ||
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!DottedDecimalToDword( &pszTmp,
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&pIPSec->aIPSecEntry[pIPSec->cEntries].dwNetwork )
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) {
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} else {
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pIPSec->cEntries++;
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}
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} // for
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dwError = NO_ERROR;
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}
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}
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if ( dwError == NO_ERROR) {
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*ppIpSec = pIPSec;
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}
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LocalFree( psz );
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}
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if ( !fReturn) {
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SetLastError( dwError);
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}
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}
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return ( fReturn);
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} // IPAccessList::ReadIPList()
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BOOL
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DottedDecimalToDword(
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CHAR * * ppszAddress,
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DWORD * pdwAddress )
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/*++
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Routine Description:
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Converts a dotted decimal IP string to it's network equivalent
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Note: White space is eaten before *pszAddress and pszAddress is set
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to the character following the converted address
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Arguments:
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ppszAddress - Pointer to address to convert. White space before the
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address is OK. Will be changed to point to the first character after
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the address
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pdwAddress - DWORD equivalent address in network order
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returns TRUE if successful, FALSE if the address is not correct
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--*/
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{
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CHAR * psz;
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USHORT i;
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ULONG value;
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int iSum =0;
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ULONG k = 0;
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UCHAR Chr;
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UCHAR pArray[4];
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psz = *ppszAddress;
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//
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// Skip white space
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//
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while ( *psz && !isdigit( (UCHAR)(*psz) ))
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psz++;
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//
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// Convert the four segments
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//
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pArray[0] = 0;
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while ((Chr = *psz) && (Chr != ' ') )
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{
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if (Chr == '.')
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{
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// be sure not to overflow a byte.
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if (iSum <= 0xFF)
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pArray[k] = (UCHAR)iSum;
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else
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return FALSE;
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// check for too many periods in the address
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if (++k > 3)
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return FALSE;
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pArray[k] = 0;
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iSum = 0;
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}
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else
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{
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Chr = Chr - '0';
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// be sure character is a number 0..9
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if ((Chr < 0) || (Chr > 9))
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return FALSE;
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iSum = iSum*10 + Chr;
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}
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psz++;
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}
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// save the last sum in the byte and be sure there are 4 pieces to the
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// address
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if ((iSum <= 0xFF) && (k == 3))
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pArray[k] = (UCHAR)iSum;
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else
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return FALSE;
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// now convert to a ULONG, in network order...
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value = 0;
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// go through the array of bytes and concatenate into a ULONG
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for (i=0; i < 4; i++ )
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{
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value = (value << 8) + pArray[i];
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}
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*pdwAddress = htonl( value );
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*ppszAddress = psz;
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return TRUE;
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}
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BOOL
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FillAddrCheckFromIpList(
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BOOL fIsGrant,
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LPINET_INFO_IP_SEC_LIST pInfo,
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ADDRESS_CHECK *pCheck
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)
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/*++
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Routine Description:
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Fill an access check object from an IP address list from
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||
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|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
fIsGrant - TRUE to access grant list, FALSE to access deny list
|
||
|
|
pInfo - ptr to IP address list
|
||
|
|
pCheck - ptr to address check object to update
|
||
|
|
|
||
|
|
Return:
|
||
|
|
|
||
|
|
TRUE if success, otherwise FALSE
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
UINT x;
|
||
|
|
|
||
|
|
if ( pInfo )
|
||
|
|
{
|
||
|
|
for ( x = 0 ; x < pInfo->cEntries ; ++x )
|
||
|
|
{
|
||
|
|
if ( ! pCheck->AddAddr( fIsGrant,
|
||
|
|
AF_INET,
|
||
|
|
(LPBYTE)&pInfo->aIPSecEntry[x].dwMask,
|
||
|
|
(LPBYTE)&pInfo->aIPSecEntry[x].dwNetwork ) )
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MigrateServiceIpSec(
|
||
|
|
LPWSTR pszSrvRegKey,
|
||
|
|
LPWSTR pszSrvMetabasePath
|
||
|
|
)
|
||
|
|
{
|
||
|
|
INETA_IP_SEC_LIST* pGrant = NULL;
|
||
|
|
INETA_IP_SEC_LIST* pDeny = NULL;
|
||
|
|
ADDRESS_CHECK acCheck;
|
||
|
|
DWORD err = 0;
|
||
|
|
|
||
|
|
if ( ReadIPList( pszSrvRegKey, IPSEC_GRANT_LIST, &pGrant ) &&
|
||
|
|
ReadIPList( pszSrvRegKey, IPSEC_DENY_LIST, &pDeny ) )
|
||
|
|
{
|
||
|
|
if ( pGrant || pDeny )
|
||
|
|
{
|
||
|
|
acCheck.BindCheckList( NULL, 0 );
|
||
|
|
|
||
|
|
if ( FillAddrCheckFromIpList( TRUE, pGrant, &acCheck ) &&
|
||
|
|
FillAddrCheckFromIpList( FALSE, pDeny, &acCheck ) )
|
||
|
|
{
|
||
|
|
CMDKey cmdKey;
|
||
|
|
cmdKey.OpenNode(pszSrvMetabasePath);
|
||
|
|
if ( (METADATA_HANDLE)cmdKey ) {
|
||
|
|
cmdKey.SetData(
|
||
|
|
MD_IP_SEC,
|
||
|
|
METADATA_INHERIT | METADATA_REFERENCE,
|
||
|
|
IIS_MD_UT_FILE,
|
||
|
|
BINARY_METADATA,
|
||
|
|
acCheck.GetStorage()->GetUsed(),
|
||
|
|
(acCheck.GetStorage()->GetAlloc()
|
||
|
|
? acCheck.GetStorage()->GetAlloc() : (LPBYTE)"")
|
||
|
|
);
|
||
|
|
cmdKey.Close();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
acCheck.UnbindCheckList();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
err = GetLastError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( pGrant )
|
||
|
|
{
|
||
|
|
LocalFree( pGrant );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( pDeny )
|
||
|
|
{
|
||
|
|
LocalFree( pDeny );
|
||
|
|
}
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID SetLocalHostRestriction(LPCTSTR szKeyPath)
|
||
|
|
{
|
||
|
|
DWORD dwReturn = 0;
|
||
|
|
ADDRESS_CHECK acCheck;
|
||
|
|
|
||
|
|
iisDebugOut_Start1(_T("SetLocalHostRestriction"), (LPTSTR) szKeyPath, LOG_TYPE_TRACE);
|
||
|
|
|
||
|
|
acCheck.BindCheckList( NULL, 0 );
|
||
|
|
acCheck.AddAddr(TRUE, AF_INET, (LPBYTE)"\xff\xff\xff\xff", (LPBYTE)"\x7f\x0\x0\x1");
|
||
|
|
|
||
|
|
MDEntry stMDEntry;
|
||
|
|
stMDEntry.szMDPath = (LPTSTR)(LPCTSTR)szKeyPath;
|
||
|
|
stMDEntry.dwMDIdentifier = MD_IP_SEC;
|
||
|
|
stMDEntry.dwMDAttributes = METADATA_INHERIT | METADATA_REFERENCE;
|
||
|
|
stMDEntry.dwMDUserType = IIS_MD_UT_FILE;
|
||
|
|
stMDEntry.dwMDDataType = BINARY_METADATA;
|
||
|
|
stMDEntry.dwMDDataLen = acCheck.GetStorage()->GetUsed();
|
||
|
|
if (acCheck.GetStorage()->GetAlloc())
|
||
|
|
{
|
||
|
|
stMDEntry.pbMDData = (LPBYTE) acCheck.GetStorage()->GetAlloc();
|
||
|
|
dwReturn = SetMDEntry_Wrap(&stMDEntry);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
stMDEntry.pbMDData = (LPBYTE) "";
|
||
|
|
|
||
|
|
int iBeforeValue = FALSE;
|
||
|
|
iBeforeValue = g_CheckIfMetabaseValueWasWritten;
|
||
|
|
g_CheckIfMetabaseValueWasWritten = FALSE;
|
||
|
|
dwReturn = SetMDEntry_Wrap(&stMDEntry);
|
||
|
|
// Set the flag back after calling the function
|
||
|
|
g_CheckIfMetabaseValueWasWritten = iBeforeValue;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
CMDKey cmdKey;
|
||
|
|
cmdKey.OpenNode(szKeyPath);
|
||
|
|
if ( (METADATA_HANDLE)cmdKey )
|
||
|
|
{
|
||
|
|
cmdKey.SetData(MD_IP_SEC,METADATA_INHERIT | METADATA_REFERENCE,IIS_MD_UT_FILE,BINARY_METADATA,acCheck.GetStorage()->GetUsed(),(acCheck.GetStorage()->GetAlloc()? acCheck.GetStorage()->GetAlloc() : (LPBYTE)"") );
|
||
|
|
cmdKey.Close();
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
acCheck.UnbindCheckList();
|
||
|
|
iisDebugOut_End1(_T("SetLocalHostRestriction"), (LPTSTR) szKeyPath, LOG_TYPE_TRACE);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD SetIISADMINRestriction(LPCTSTR szKeyPath)
|
||
|
|
{
|
||
|
|
SetLocalHostRestriction(szKeyPath);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif //_CHICAGO_
|