Leaked source code of windows server 2003
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/*++
Copyright (c) 1994-1999 Microsoft Corporation
Module Name :
utcls.cpp
Abstract:
Internet Properties base classes
Author:
Ronald Meijer (ronaldm)
Project:
Internet Services Manager (cluster edition)
Revision History:
--*/
//
// Include Files
//
#include "stdafx.h"
#include "common.h"
//#include "idlg.h"
#include "mmc.h"
extern "C"
{
#include <lm.h>
}
#define SZ_REG_KEY_BASE _T("Software\\Microsoft\\%s")
BOOL
IsServerLocal(
IN LPCTSTR lpszServer
)
/*++
Routine Description:
Check to see if the given name refers to the local machine
Arguments:
LPCTSTR lpszServer : Server name
Return Value:
TRUE if the given name refers to the local computer, FALSE otherwise
Note:
Doesn't work if the server is an ip address
--*/
{
TCHAR szComputerName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD dwSize = sizeof(szComputerName)/sizeof(szComputerName[0]);
//
// CODEWORK(?): we're not checking for all the ip addresses
// on the local box or full dns names.
//
// Try GetComputerNameEx when we're building with NT5
// settings.
//
return (!_tcsicmp(_T("localhost"), PURE_COMPUTER_NAME(lpszServer))
|| !_tcscmp( _T("127.0.0.1"), PURE_COMPUTER_NAME(lpszServer)))
|| (GetComputerName(szComputerName, &dwSize)
&& !_tcsicmp(szComputerName, PURE_COMPUTER_NAME(lpszServer)));
}
BOOL
GetVolumeInformationSystemFlags(
IN LPCTSTR lpszPath,
OUT DWORD * pdwSystemFlags
)
/*++
Routine Description:
Get the system flags for the path in question
Arguments:
LPCTSTR lpszPath : Path
DWORD * pdwSystemFlags : Returns system flags
Return Value:
TRUE for success, FALSE for failure.
--*/
{
ASSERT_WRITE_PTR(pdwSystemFlags);
TRACE("Getting system flags for %s\n", lpszPath);
DWORD dwMaxComponentLength;
TCHAR szRoot[MAX_PATH + 1];
TCHAR szFileSystem[MAX_PATH + 1];
//
// Generating root path
//
if (PathIsUNC(lpszPath))
{
//
// Root path of a UNC path is \\foo\bar\
//
ASSERT(lstrlen(lpszPath) < MAX_PATH);
int cSlashes = 0;
LPCTSTR lpszSrc = lpszPath;
LPTSTR lpszDst = szRoot;
while (cSlashes < 4 && *lpszSrc)
{
if ((*lpszDst++ = *lpszSrc++) == '\\')
{
++cSlashes;
}
}
if (!*lpszSrc)
{
*lpszDst++ = '\\';
}
*lpszDst = '\0';
}
else
{
::wsprintf(szRoot, _T("%c:\\"), *lpszPath);
}
TRACE("Root path is %s\n", szRoot);
return ::GetVolumeInformation(
szRoot,
NULL,
0,
NULL,
&dwMaxComponentLength,
pdwSystemFlags,
szFileSystem,
sizeof(szFileSystem) / sizeof(TCHAR)
);
}
LPCTSTR
GenerateRegistryKey(
OUT CString & strBuffer,
IN LPCTSTR lpszSubKey OPTIONAL
)
/*++
Routine Description:
Generate a registry key name based on the current app, and a
provided subkey (optional)
Arguments:
CString & strBuffer : Buffer to create registry key name into.
LPCTSTR lpszSubKey : Subkey name or NULL
Return Value:
Pointer to the registry key value
--*/
{
try
{
//
// Use the app name as the primary registry name
//
CString app_name;
app_name.LoadString(_Module.GetResourceInstance(), IDS_APP_TITLE);
strBuffer.Format(SZ_REG_KEY_BASE, app_name);
if (lpszSubKey)
{
strBuffer += _T("\\");
strBuffer += lpszSubKey;
}
TRACE("Registry key is %s\n", strBuffer);
}
catch(std::bad_alloc)
{
TRACEEOLID("!!!exception building regkey");
return NULL;
}
return strBuffer;
}
static int
CountCharsToDoubleNull(
IN LPCTSTR lp
)
/*++
Routine Description:
Count TCHARS up to and including the double NULL.
Arguments:
LPCTSTR lp : TCHAR Stream
Return Value:
Number of chars up to and including the double NULL
--*/
{
int cChars = 0;
for(;;)
{
++cChars;
if (lp[0] == _T('\0') && lp[1] == _T('\0'))
{
return ++cChars;
}
++lp;
}
}
CStringListEx::CStringListEx() : std::list<CString> ()
{
}
CStringListEx::~CStringListEx()
{
}
void
CStringListEx::PushBack(LPCTSTR str)
{
push_back(str);
}
void
CStringListEx::Clear()
{
clear();
}
DWORD
CStringListEx::ConvertFromDoubleNullList(LPCTSTR lpstrSrc, int cChars)
/*++
Routine Description:
Convert a double null terminate list of null terminated strings to a more
manageable CStringList
Arguments:
LPCTSTR lpstrSrc : Source list of strings
int cChars : Number of characters in double NULL list. if
-1, autodetermine length
Return Value:
ERROR_SUCCESS if the list was converted properly
ERROR_INVALID_PARAMETER if the list was empty
ERROR_NOT_ENOUGH_MEMORY if there was a mem exception
--*/
{
DWORD err = ERROR_SUCCESS;
if (lpstrSrc == NULL)
{
return ERROR_INVALID_PARAMETER;
}
if (cChars < 0)
{
//
// Calculate our own size. This might be off if multiple
// blank linkes (0) appear in the multi_sz, so the character
// size is definitely preferable
//
cChars = CountCharsToDoubleNull(lpstrSrc);
}
try
{
clear();
if (cChars == 2 && *lpstrSrc == _T('\0'))
{
//
// Special case: MULTI_SZ containing only
// a double NULL are in fact blank entirely.
//
// N.B. IMHO this is a metabase bug -- RonaldM
//
--cChars;
}
//
// Grab strings until only the final NULL remains
//
while (cChars > 1)
{
CString strTmp = lpstrSrc;
push_back(strTmp);
lpstrSrc += (strTmp.GetLength() + 1);
cChars -= (strTmp.GetLength() + 1);
}
}
catch(std::bad_alloc)
{
TRACEEOLID("!!! exception building stringlist");
err = ERROR_NOT_ENOUGH_MEMORY;
}
return err;
}
DWORD
CStringListEx::ConvertToDoubleNullList(
OUT DWORD & cchDest,
OUT LPTSTR & lpstrDest
)
/*++
Routine Description:
Flatten the string list into a double null terminated list
of null terminated strings.
Arguments:
CStringList & strlSrc : Source string list
DWORD & cchDest : Size in characters of the resultant array
(including terminating NULLs)
LPTSTR & lpstrDest : Allocated flat array.
Return Value:
ERROR_SUCCESS if the list was converted properly
ERROR_INVALID_PARAMETER if the list was empty
ERROR_NOT_ENOUGH_MEMORY if there was a mem exception
--*/
{
cchDest = 0;
lpstrDest = NULL;
BOOL fNullPad = FALSE;
//
// Compute total size in characters
//
CStringListEx::iterator it = begin();
while (it != end())
{
CString & str = (*it++);
// TRACEEOLID(str);
cchDest += str.GetLength() + 1;
}
if (!cchDest)
{
//
// Special case: A totally empty MULTI_SZ
// in fact consists of 2 (final) NULLS, instead
// of 1 (final) NULL. This is required by the
// metabase, but should be a bug. See note
// at reversal function above.
//
++cchDest;
fNullPad = TRUE;
}
//
// Remember final NULL
//
cchDest += 1;
lpstrDest = new TCHAR[cchDest];
if (lpstrDest == NULL)
{
return ERROR_NOT_ENOUGH_MEMORY;
}
LPTSTR pch = lpstrDest;
it = begin();
while (it != end())
{
CString & str = (*it++);
lstrcpy(pch, (LPCTSTR)str);
pch += str.GetLength();
*pch++ = _T('\0');
}
*pch++ = _T('\0');
if (fNullPad)
{
*pch++ = _T('\0');
}
return ERROR_SUCCESS;
}
//
// CBlob Implementation
//
// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
CBlob::CBlob()
/*++
Routine Description:
NULL constructor
Arguments:
None
Return Value:
N/A
--*/
: m_pbItem(NULL),
m_dwSize(0L)
{
}
CBlob::CBlob(
IN DWORD dwSize,
IN PBYTE pbItem,
IN BOOL fMakeCopy
)
/*++
Routine Description:
Constructor
Arguments:
DWORD dwSize : Size of memory block
PBYTE pbItem : Pointer to memory block
BOOL fMakeCopy : If TRUE, makes a copy of the memory block.
If FALSE, takes ownership of the pointer.
Return Value:
N/A
--*/
: m_pbItem(NULL),
m_dwSize(0L)
{
SetValue(dwSize, pbItem, fMakeCopy);
}
CBlob::CBlob(
IN const CBlob & blob
)
/*++
Routine Description:
Copy constructor
Arguments:
const CBlob & blob : Source blob
Return Value:
N/A
Notes:
This contructor makes a copy of the memory block in question.
--*/
: m_pbItem(NULL),
m_dwSize(0L)
{
SetValue(blob.GetSize(), blob.m_pbItem, TRUE);
}
void
CBlob::SetValue(
IN DWORD dwSize,
IN PBYTE pbItem,
IN BOOL fMakeCopy OPTIONAL
)
/*++
Routine Description:
Assign the value to this binary object. If fMakeCopy is FALSE,
the blob will take ownership of the pointer, otherwise a copy
will be made.
Arguments:
DWORD dwSize : Size in bytes
PBYTE pbItem : Byte streadm
BOOL fMakeCopy : If true, make a copy, else assign pointer
Return Value:
None
--*/
{
ASSERT_READ_PTR2(pbItem, dwSize);
if (!IsEmpty())
{
TRACEEOLID("Assigning value to non-empty blob. Cleaning up");
CleanUp();
}
if (dwSize > 0L)
{
//
// Make private copy
//
m_dwSize = dwSize;
if (fMakeCopy)
{
m_pbItem = new BYTE[m_dwSize];
if (NULL != m_pbItem)
CopyMemory(m_pbItem, pbItem, dwSize);
}
else
{
m_pbItem = pbItem;
}
}
}
void
CBlob::CleanUp()
/*++
Routine Description:
Delete data pointer, and reset pointer and size.
Arguments:
None
Return Value:
None
--*/
{
if (m_pbItem)
{
delete [] m_pbItem;
}
m_pbItem = NULL;
m_dwSize = 0L;
}
CBlob &
CBlob::operator =(
IN const CBlob & blob
)
/*++
Routine Description:
Assign values from another CBlob.
Arguments:
const CBlob & blob : Source blob
Return Value:
Reference to this object
--*/
{
//
// Make copy of data
//
SetValue(blob.GetSize(), blob.m_pbItem, TRUE);
return *this;
}
BOOL
CBlob::operator ==(
IN const CBlob & blob
) const
/*++
Routine Description:
Compare two binary large objects. In order to match, the objects
must be the same size, and byte identical.
Arguments:
const CBlob & blob : Blob to compare against.
Return Value:
TRUE if the objects match, FALSE otherwise.
--*/
{
if (GetSize() != blob.GetSize())
{
return FALSE;
}
return memcmp(m_pbItem, blob.m_pbItem, GetSize()) == 0;
}