703 lines
16 KiB
C++
703 lines
16 KiB
C++
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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rpcex.cxx
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Abstract:
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This module defines K2 rpc support.
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Author:
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Johnson Apacible (JohnsonA) June-19-1996
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--*/
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#include "ftpdp.hxx"
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#include "time.h"
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#include "timer.h"
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# define ASSUMED_AVERAGE_USER_NAME_LEN ( 40)
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# define CONN_LEEWAY ( 3)
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//
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// Private functions.
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//
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BOOL
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GenDoubleNullStringFromMultiLine( IN LPCWSTR lpsz,
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IN OUT LPWSTR * ppszz,
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IN OUT LPDWORD pcchLen)
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{
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DWORD cchLen;
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DWORD nLines;
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LPWSTR pszNext;
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LPCWSTR pszSrc;
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DBG_ASSERT( lpsz != NULL && ppszz != NULL && pcchLen != NULL);
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// Initialize
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*ppszz = NULL;
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*pcchLen = 0;
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//
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// 1. Find the length of the the complete message including new lines
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// For each new line we may potentially need an extra blank char
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// So allocate space = nLines + length + 2 terminating null chars.
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//
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cchLen = lstrlenW( lpsz);
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for ( pszSrc = lpsz, nLines = 0; *pszSrc != L'\0'; pszSrc++) {
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if ( *pszSrc == L'\n') { nLines++; }
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} // for
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// Allocate sufficient space for the string.
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*ppszz = (LPWSTR ) TCP_ALLOC( (cchLen + nLines + 3) * sizeof(WCHAR));
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if ( *ppszz == NULL) {
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return (FALSE);
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}
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//
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// walk down the local copy and convert all the line feed characters to
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// be null char
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//
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//
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// Since the MULTI_SZ string cannot contain empty strings
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// we convert empty lines (ones with just \n into " \0"
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// i.e. with a blank character.
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//
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pszSrc = lpsz;
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LPWSTR pszDst = *ppszz;
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if ( *pszSrc == L'\n') {
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// first line is a linefeed. insert a blank and proceed to next line.
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*pszDst = L' ';
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*(pszDst + 1) = L'\0';
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// move forward
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pszDst += 2;
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pszSrc++;
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}
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for( ; *pszSrc != L'\0'; pszSrc++, pszDst++) {
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if ( *pszSrc == L'\n') {
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// we are at boundary of new line.
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if ( pszSrc > lpsz && *(pszSrc - 1) == L'\n') {
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// we detected an empty line. Store an additional blank.
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*pszDst++ = L' ';
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}
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*pszDst = L'\0'; // put null char in place of line feed.
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} else {
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*pszDst = *pszSrc;
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}
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} // for
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*pszDst++ = L'\0'; // terminate with 1st null chars.
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*pszDst++ = L'\0'; // terminate with 2nd null chars.
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*pcchLen = DIFF(pszDst - *ppszz);
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DBG_ASSERT( *pcchLen <= cchLen + nLines + 3);
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return ( TRUE);
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} // GenDoubleNullStringFromMultiline()
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BOOL
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FTP_SERVER_INSTANCE::WriteParamsToRegistry(
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LPFTP_CONFIG_INFO pConfig
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)
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/*++
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This function writes parameters to the registry
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Arguments:
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hkey HKEY for registry entry of parameters of FTP server.
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pConfig pointer to configuration information.
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Returns:
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TRUE on success and FALSE if there is any failure.
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--*/
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{
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DWORD err = NO_ERROR;
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BOOL fRet = TRUE;
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HKEY hkey = NULL;
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err = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
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QueryRegParamKey(),
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0,
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KEY_ALL_ACCESS,
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&hkey );
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if( hkey == NULL )
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{
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err = ERROR_INVALID_HANDLE;
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SetLastError( err);
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DBGPRINTF(( DBG_CONTEXT,
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"Invalid Registry key given. error %lu\n",
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err ));
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return FALSE;
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}
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//
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// Write the registry data.
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//
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_ALLOW_ANONYMOUS ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_ALLOW_ANONYMOUS,
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pConfig->fAllowAnonymous );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_ALLOW_GUEST_ACCESS ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_ALLOW_GUEST_ACCESS,
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pConfig->fAllowGuestAccess );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_ANNOTATE_DIRECTORIES ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_ANNOTATE_DIRS,
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pConfig->fAnnotateDirectories );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_ANONYMOUS_ONLY ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_ANONYMOUS_ONLY,
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pConfig->fAnonymousOnly );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_LISTEN_BACKLOG ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_LISTEN_BACKLOG,
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pConfig->dwListenBacklog );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_LOWERCASE_FILES ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_LOWERCASE_FILES,
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pConfig->fLowercaseFiles );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_MSDOS_DIR_OUTPUT ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_MSDOS_DIR_OUTPUT,
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pConfig->fMsdosDirOutput );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_SHOW_4_DIGIT_YEAR ) )
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{
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err = WriteRegistryDword( hkey,
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FTPD_SHOW_4_DIGIT_YEAR,
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pConfig->fFourDigitYear );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_EXIT_MESSAGE ) )
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{
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err = RegSetValueExW( hkey,
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FTPD_EXIT_MESSAGE_W,
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0,
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REG_SZ,
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(BYTE *)pConfig->lpszExitMessage,
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( wcslen( pConfig->lpszExitMessage ) + 1 ) *
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sizeof(WCHAR) );
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_GREETING_MESSAGE ) )
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{
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LPWSTR pszzGreetingMessage = NULL;
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DWORD cchLen = 0;
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if (GenDoubleNullStringFromMultiLine( pConfig->lpszGreetingMessage,
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&pszzGreetingMessage,
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&cchLen)
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) {
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DBG_ASSERT( pszzGreetingMessage != NULL);
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err = RegSetValueExW( hkey,
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FTPD_GREETING_MESSAGE_W,
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0,
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REG_MULTI_SZ,
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(BYTE *) pszzGreetingMessage,
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cchLen * sizeof(WCHAR));
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TCP_FREE( pszzGreetingMessage);
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} else {
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err = ERROR_NOT_ENOUGH_MEMORY;
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}
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_BANNER_MESSAGE ) )
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{
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LPWSTR pszzBannerMessage = NULL;
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DWORD cchLen = 0;
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if (GenDoubleNullStringFromMultiLine( pConfig->lpszBannerMessage,
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&pszzBannerMessage,
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&cchLen)
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) {
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DBG_ASSERT( pszzBannerMessage != NULL);
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err = RegSetValueExW( hkey,
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FTPD_BANNER_MESSAGE_W,
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0,
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REG_MULTI_SZ,
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(BYTE *) pszzBannerMessage,
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cchLen * sizeof(WCHAR));
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TCP_FREE( pszzBannerMessage);
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} else {
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err = ERROR_NOT_ENOUGH_MEMORY;
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}
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}
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if( !err && IsFieldSet( pConfig->FieldControl, FC_FTP_MAX_CLIENTS_MESSAGE ) )
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{
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err = RegSetValueExW( hkey,
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FTPD_MAX_CLIENTS_MSG_W,
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0,
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REG_SZ,
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(BYTE *)pConfig->lpszMaxClientsMessage,
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( wcslen( pConfig->lpszMaxClientsMessage ) + 1 ) *
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sizeof(WCHAR) );
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}
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if( err )
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{
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SetLastError( err );
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return FALSE;
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}
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return TRUE;
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} // WriteParamsToRegistry
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DWORD
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FTP_IIS_SERVICE::GetServiceConfigInfoSize(
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IN DWORD dwLevel
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)
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{
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switch (dwLevel) {
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case 1:
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return sizeof(FTP_CONFIG_INFO);
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}
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return 0;
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} // FTP_IIS_SERVICE::GetServerConfigInfoSize
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BOOL
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FTP_SERVER_INSTANCE::SetServiceConfig(
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IN PCHAR pBuffer
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)
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/*++
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Description
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Sets the common service admin information for the servers specified
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in dwServerMask.
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Arguments:
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pConfig - Admin information to set
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Note:
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--*/
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{
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LPFTP_CONFIG_INFO pConfig = (LPFTP_CONFIG_INFO)pBuffer;
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DWORD err = NO_ERROR;
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HKEY hKey;
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err = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
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QueryRegParamKey(),
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0,
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KEY_ALL_ACCESS,
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&hKey );
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if ( err != NO_ERROR )
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{
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return(TRUE);
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}
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//
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// If success, then Write the new info to the registry, then read it back.
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//
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if( WriteParamsToRegistry( pConfig )) {
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err = InitFromRegistry( pConfig->FieldControl);
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} else {
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err = GetLastError();
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}
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IF_DEBUG( RPC ) {
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DBGPRINTF(( DBG_CONTEXT,
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"FtpSetServiceConfig returns with %d %lu\n",
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err ));
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}
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return(err == NO_ERROR);
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} // FTP_SERVER_INSTANCE::SetServiceConfig
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BOOL
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FTP_SERVER_INSTANCE::GetServiceConfig(
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IN PCHAR pBuffer,
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IN DWORD dwLevel
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|||
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)
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|
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/*++
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|
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|
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Description
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|||
|
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Retrieves the admin information
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Arguments:
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pBuffer - Buffer to fill up.
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dwLevel - info level of information to return.
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Note:
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--*/
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
LPFTP_CONFIG_INFO pConfig = (LPFTP_CONFIG_INFO)pBuffer;
|
|||
|
|
DWORD err = NO_ERROR;
|
|||
|
|
|
|||
|
|
ZeroMemory( pConfig, sizeof(FTP_CONFIG_INFO) );
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Obtain and Return the admin information.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
err = GetConfigInformation( pConfig);
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC) {
|
|||
|
|
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"FtprGetAdminInformation() returns Error=%u\n",
|
|||
|
|
err));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return (err == NO_ERROR);
|
|||
|
|
|
|||
|
|
} // FTP_SERVER_INSTANCE::GetServiceConfig
|
|||
|
|
|
|||
|
|
|
|||
|
|
BOOL
|
|||
|
|
FTP_SERVER_INSTANCE::EnumerateUsers(
|
|||
|
|
OUT PCHAR * pBuffer,
|
|||
|
|
OUT PDWORD nRead
|
|||
|
|
)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Description
|
|||
|
|
|
|||
|
|
Enumerates the connected users.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
pBuffer - Buffer to fill up.
|
|||
|
|
nRead - number of entries filled
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
DWORD err;
|
|||
|
|
DWORD cbBuffer;
|
|||
|
|
LPIIS_USER_INFO_1 pInfo;
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,"Entering FtpEnumerateUsers\n"));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Determine the necessary buffer size.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
cbBuffer = (GetCurrentConnectionsCount() + CONN_LEEWAY)
|
|||
|
|
* sizeof( IIS_USER_INFO_1 );
|
|||
|
|
|
|||
|
|
*nRead = 0;
|
|||
|
|
|
|||
|
|
pInfo = (LPIIS_USER_INFO_1)MIDL_user_allocate( cbBuffer);
|
|||
|
|
|
|||
|
|
if (pInfo == NULL) {
|
|||
|
|
|
|||
|
|
err = ERROR_NOT_ENOUGH_MEMORY;
|
|||
|
|
} else {
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Make a first attempt at enumerating the user info
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
err = NO_ERROR;
|
|||
|
|
if ( !::EnumerateUsers( (PCHAR)pInfo, &cbBuffer, nRead, this )) {
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Free up old buffer and allocate big one now.
|
|||
|
|
// We will try once more to get the data again
|
|||
|
|
// with a larger buffer.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
if ( cbBuffer > 0) {
|
|||
|
|
|
|||
|
|
MIDL_user_free( pInfo );
|
|||
|
|
pInfo = (LPIIS_USER_INFO_1)MIDL_user_allocate(cbBuffer);
|
|||
|
|
|
|||
|
|
if( pInfo == NULL ) {
|
|||
|
|
|
|||
|
|
err = ERROR_NOT_ENOUGH_MEMORY;
|
|||
|
|
} else {
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Since we do not lock the active connections list
|
|||
|
|
// it is possible some one came in now and hence the
|
|||
|
|
// buffer is insufficient to hold all people.
|
|||
|
|
// Ignore this case, as we are never
|
|||
|
|
// going to be accurate
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
::EnumerateUsers( (PCHAR)pInfo, &cbBuffer, nRead, this );
|
|||
|
|
if ( *nRead == 0 ) {
|
|||
|
|
MIDL_user_free(pInfo);
|
|||
|
|
pInfo = NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} // cbBuffer > 0
|
|||
|
|
|
|||
|
|
} // if unsuccessful at first attempt
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if( err != NO_ERROR ) {
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"I_FtprEnumerateUsers failed. Error = %lu\n",
|
|||
|
|
err ));
|
|||
|
|
}
|
|||
|
|
SetLastError(err);
|
|||
|
|
return(FALSE);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
*pBuffer = (PCHAR)pInfo;
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"FtpEnumerateUsers returns %d entries, buffer [%x]\n",
|
|||
|
|
*nRead, *pBuffer ));
|
|||
|
|
}
|
|||
|
|
return TRUE;
|
|||
|
|
|
|||
|
|
} // EnumerateUsers
|
|||
|
|
|
|||
|
|
|
|||
|
|
BOOL
|
|||
|
|
FTP_SERVER_INSTANCE::DisconnectUser(
|
|||
|
|
IN DWORD dwIdUser
|
|||
|
|
)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Description
|
|||
|
|
|
|||
|
|
Disconnect the user
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
dwIdUser - Identifies the user to disconnect. If 0,
|
|||
|
|
then disconnect ALL users.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"Entering FtpDisconnectUsers with id[%d]\n", dwIdUser));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ( !::DisconnectUser( dwIdUser, this ) ) {
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"DisconnectUser failed with %d\n", GetLastError()));
|
|||
|
|
}
|
|||
|
|
SetLastError(NERR_UserNotFound);
|
|||
|
|
return(FALSE);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return(TRUE);
|
|||
|
|
} // DisconnectUser
|
|||
|
|
|
|||
|
|
|
|||
|
|
BOOL
|
|||
|
|
FTP_SERVER_INSTANCE::GetStatistics(
|
|||
|
|
IN DWORD dwLevel,
|
|||
|
|
OUT PCHAR* pBuffer
|
|||
|
|
)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Description
|
|||
|
|
|
|||
|
|
Disconnect Queries the server statistics
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
dwLevel - Info level. Currently only level 0 is
|
|||
|
|
supported.
|
|||
|
|
|
|||
|
|
pBuffer - Will receive a pointer to the statistics
|
|||
|
|
structure.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
APIERR err = NO_ERROR;
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"FtpQueryStatistics2, level %lu\n", dwLevel ));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Return the proper statistics based on the infolevel.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
switch( dwLevel ) {
|
|||
|
|
case 0 : {
|
|||
|
|
|
|||
|
|
LPFTP_STATISTICS_0 pstats0;
|
|||
|
|
|
|||
|
|
pstats0 = (LPFTP_STATISTICS_0)
|
|||
|
|
MIDL_user_allocate(sizeof(FTP_STATISTICS_0));
|
|||
|
|
|
|||
|
|
if( pstats0 == NULL ) {
|
|||
|
|
|
|||
|
|
err = ERROR_NOT_ENOUGH_MEMORY;
|
|||
|
|
} else {
|
|||
|
|
ATQ_STATISTICS atqStat;
|
|||
|
|
|
|||
|
|
ZeroMemory( pstats0, sizeof( FTP_STATISTICS_0 ) );
|
|||
|
|
|
|||
|
|
QueryStatsObj()->CopyToStatsBuffer( pstats0 );
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Get instance's bandwidth throttling statistics
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
if ( QueryBandwidthInfo() )
|
|||
|
|
{
|
|||
|
|
if ( AtqBandwidthGetInfo( QueryBandwidthInfo(),
|
|||
|
|
ATQ_BW_STATISTICS,
|
|||
|
|
(ULONG_PTR *) &atqStat ) )
|
|||
|
|
{
|
|||
|
|
pstats0->TotalBlockedRequests = atqStat.cBlockedRequests;
|
|||
|
|
pstats0->TotalRejectedRequests = atqStat.cRejectedRequests;
|
|||
|
|
pstats0->TotalAllowedRequests = atqStat.cAllowedRequests;
|
|||
|
|
pstats0->CurrentBlockedRequests = atqStat.cCurrentBlockedRequests;
|
|||
|
|
pstats0->MeasuredBandwidth = atqStat.MeasuredBandwidth;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
pstats0->TimeOfLastClear = GetCurrentTimeInSeconds() -
|
|||
|
|
pstats0->TimeOfLastClear;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Copy Global statistics counter values
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
pstats0->ConnectionAttempts =
|
|||
|
|
g_pFTPStats->QueryStatsObj()->ConnectionAttempts;
|
|||
|
|
|
|||
|
|
*pBuffer = (PCHAR)pstats0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
default :
|
|||
|
|
err = ERROR_INVALID_LEVEL;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT,
|
|||
|
|
"FtpQueryStatistics2 returns Error = %lu\n",
|
|||
|
|
err ));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SetLastError(err);
|
|||
|
|
return(err == NO_ERROR);
|
|||
|
|
|
|||
|
|
} // QueryStatistics
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
BOOL
|
|||
|
|
FTP_SERVER_INSTANCE::ClearStatistics(
|
|||
|
|
VOID
|
|||
|
|
)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Description
|
|||
|
|
|
|||
|
|
Clears the server statistics
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
None.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
IF_DEBUG( RPC ) {
|
|||
|
|
DBGPRINTF(( DBG_CONTEXT, "Entering FtpClearStatistics2\n"));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
QueryStatsObj()->ClearStatistics();
|
|||
|
|
return TRUE;
|
|||
|
|
|
|||
|
|
} // ClearStatistics
|
|||
|
|
|