331 lines
9 KiB
C
331 lines
9 KiB
C
/*----------------------------------------------------------------------------
|
|
util.cpp
|
|
|
|
utility functions for phone book server
|
|
|
|
Copyright (c) 1997-1998 Microsoft Corporation
|
|
All rights reserved.
|
|
|
|
Authors:
|
|
byao Baogang Yao
|
|
|
|
History:
|
|
1/23/97 byao -- Created
|
|
--------------------------------------------------------------------------*/
|
|
|
|
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
#include <winreg.h>
|
|
|
|
#include "util.h"
|
|
|
|
// comment the following line if not debug
|
|
//#ifdef DEBUG
|
|
//#define _LOG_DEBUG_MESSAGE
|
|
//#endif
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Name: GetWord
|
|
//
|
|
// Synopsis: Get the first word from a line, using a given separator character
|
|
//
|
|
// Parameters:
|
|
// pszWord[out] The first word from the line
|
|
// pszLine[in] The byte line
|
|
// cStopChar[in] The separator character
|
|
// nMaxWordLen [in] The max length of the word (not counting terminating null)
|
|
//
|
|
void GetWord(char *pszWord, char *pszLine, char cStopChar, int nMaxWordLen)
|
|
{
|
|
int i = 0, j;
|
|
|
|
for(i = 0; pszLine[i] && (pszLine[i] != cStopChar) && (i < nMaxWordLen); i++)
|
|
{
|
|
pszWord[i] = pszLine[i];
|
|
}
|
|
|
|
pszWord[i] = '\0';
|
|
if(pszLine[i]) ++i;
|
|
|
|
j = 0;
|
|
while(pszLine[j++] = pszLine[i++]);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Name: Decrypt the URL_escaped code '%xx' characters
|
|
//
|
|
// Synopsis: HTTPd generated
|
|
//
|
|
// Return: Original special character, such as '*', '?', etc.
|
|
//
|
|
// Parameters:
|
|
//
|
|
// pszEscapedSequence[in] escaped sequence, such as 3F (%3F)
|
|
//
|
|
static char HexToChar(char *pszEscapedSequence)
|
|
{
|
|
register char cCh;
|
|
|
|
cCh = (pszEscapedSequence[0] >= 'A' ? ((pszEscapedSequence[0] & 0xdf) - 'A')+10 : (pszEscapedSequence[0] - '0'));
|
|
cCh *= 16;
|
|
cCh += (pszEscapedSequence[1] >= 'A' ? ((pszEscapedSequence[1] & 0xdf) - 'A')+10 : (pszEscapedSequence[1] - '0'));
|
|
return cCh;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Name: UnEscapeURL
|
|
//
|
|
// Synopsis: convert the after-escaped URL string back to normal ASCII string
|
|
//
|
|
// Parameter:
|
|
// pszURL[in/out] The pointer to the URL, the string will be converted
|
|
//
|
|
//
|
|
void UnEscapeURL(char *pszURL)
|
|
{
|
|
register int i,j;
|
|
|
|
for(i = 0, j = 0; pszURL[j]; ++i, ++j)
|
|
{
|
|
if ((pszURL[i] = pszURL[j]) == '%')
|
|
{
|
|
pszURL[i] = HexToChar(&pszURL[j + 1]);
|
|
j += 2;
|
|
}
|
|
else
|
|
{
|
|
if ('+' == pszURL[i])
|
|
{
|
|
pszURL[i] = ' ';
|
|
}
|
|
}
|
|
}
|
|
|
|
pszURL[i] = '\0';
|
|
}
|
|
|
|
// Log debug information to a debug file
|
|
// very useful utility function
|
|
void LogDebugMessage(const char *pszString)
|
|
{
|
|
#ifdef _LOG_DEBUG_MESSAGE
|
|
|
|
static HANDLE hDbgFile = INVALID_HANDLE_VALUE;
|
|
char szBuffer[2048];
|
|
DWORD dwBytesWritten;
|
|
|
|
if (INVALID_HANDLE_VALUE == hDbgFile)
|
|
{
|
|
SYSTEMTIME st;
|
|
char szLogFileName[1024];
|
|
GetLocalTime(&st);
|
|
sprintf(szLogFileName, "isapidbg%04u%02u%02u%02u%02u%02u",
|
|
st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
|
|
hDbgFile = CreateFile(szLogFileName,
|
|
GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL,
|
|
CREATE_NEW,
|
|
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_WRITE_THROUGH,
|
|
NULL);
|
|
}
|
|
|
|
if (INVALID_HANDLE_VALUE == hDbgFile)
|
|
{
|
|
DWORD dwErrorCode = GetLastError();
|
|
return;
|
|
}
|
|
|
|
sprintf(szBuffer, "%d\t%d\t%s\r\n", GetTickCount(), GetCurrentThreadId(), pszString);
|
|
|
|
if ((FALSE == WriteFile(hDbgFile, (LPCVOID) &szBuffer[0], strlen(szBuffer), &dwBytesWritten, NULL)) ||
|
|
(dwBytesWritten != strlen(szBuffer)))
|
|
{
|
|
CloseHandle(hDbgFile);
|
|
hDbgFile = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
OutputDebugString(szBuffer);
|
|
|
|
return;
|
|
|
|
#endif
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: GetRegEntry
|
|
//
|
|
// Synopsis: Gets the value of specified registry key
|
|
//
|
|
// Arguments: hKeyType [Key Type - HKEY_LOCAL_MACHINE,...]
|
|
// pszSubKey [Subkey under hKeyType]
|
|
// pszKeyName [Key name whose value should be retrieved]
|
|
// dwRegType [Type of the registry key - REG_SZ,...]
|
|
// lpbDataIn [Default value for the reg key]
|
|
// cbDataIn [Size of lpbDataIn]
|
|
// lpbDataOut [Value of the registry key || Default Value ]
|
|
// pcbDataIn [Size of lpbDataOut]
|
|
//
|
|
// Returns: TRUE if successful, FALSE otherwise
|
|
//
|
|
// History: VetriV Created 2/6/96
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL GetRegEntry(HKEY hKeyType,
|
|
const char* pszSubkey,
|
|
const char* pszKeyName,
|
|
DWORD dwRegType,
|
|
const BYTE* lpbDataIn,
|
|
DWORD cbDataIn,
|
|
BYTE * lpbDataOut,
|
|
LPDWORD pcbDataOut)
|
|
{
|
|
HKEY hKey;
|
|
DWORD dwResult;
|
|
LONG retcode;
|
|
|
|
assert(pszSubkey && pszKeyName);
|
|
|
|
if (!pszSubkey)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (!pszKeyName)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// create the specified key; If the key already exists, open it
|
|
retcode = RegCreateKeyEx(hKeyType,
|
|
(LPCTSTR)pszSubkey,
|
|
0,
|
|
0,
|
|
REG_OPTION_NON_VOLATILE,
|
|
KEY_QUERY_VALUE,
|
|
NULL,
|
|
&hKey,
|
|
&dwResult);
|
|
|
|
if (ERROR_SUCCESS != retcode)
|
|
{
|
|
SetLastError(retcode);
|
|
return FALSE;
|
|
}
|
|
|
|
// get the data and type for a value name
|
|
retcode = RegQueryValueEx(hKey,
|
|
(LPTSTR)pszKeyName,
|
|
0,
|
|
NULL,
|
|
lpbDataOut,
|
|
pcbDataOut);
|
|
|
|
if (ERROR_SUCCESS != retcode)
|
|
{
|
|
SetLastError(retcode);
|
|
RegCloseKey(hKey);
|
|
return FALSE;
|
|
}
|
|
|
|
RegCloseKey(hKey);
|
|
return TRUE;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: GetRegEntryStr()
|
|
//
|
|
// Synopsis: Gets the value of specified registry key using the key name
|
|
// An easier way than GetRegEntry()
|
|
//
|
|
// Arguments: pszBuffer [buffer for the key value]
|
|
// dwBufferSize [size of the buffer]
|
|
// pszKeyName [Key name whose value should be retrieved]
|
|
//
|
|
// History: t-byao Created 6/10/96
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL GetRegEntryStr(unsigned char *pszBuffer,
|
|
DWORD dwBufferSize,
|
|
const char *pszKeyName)
|
|
{
|
|
return GetRegEntry(HKEY_LOCAL_MACHINE,
|
|
"SOFTWARE\\MICROSOFT\\NAMESERVICE\\MAPPING", pszKeyName,
|
|
REG_SZ,NULL,0,pszBuffer,&dwBufferSize);
|
|
}
|
|
|
|
|
|
#if 0
|
|
/*
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: GetRegEntryInt()
|
|
//
|
|
// Synopsis: Gets the value of specified registry key using the key name
|
|
// An easier way than GetRegEntry()
|
|
//
|
|
// Arguments: cstrKeyName [Key name whose value should be retrieved]
|
|
//
|
|
// Returns: Value of the Key (type: int)
|
|
//
|
|
// History: t-byao Created 6/17/96
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL GetRegEntryInt(int *pdValue, const char *pszKeyName)
|
|
{
|
|
DWORD dwSize=sizeof(int);
|
|
DWORD dwValue;
|
|
BOOL ret;
|
|
|
|
ret = GetRegEntry(HKEY_LOCAL_MACHINE,
|
|
"SOFTWARE\\MICROSOFT\\NAMESERVICE\\MAPPING",
|
|
pszKeyName,
|
|
REG_DWORD,NULL,0,(BYTE *)&dwValue,&dwSize);
|
|
if (ret)
|
|
{
|
|
*pdValue = dwValue;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: GetRegEntryDWord()
|
|
//
|
|
// Synopsis: Gets the value of specified DWORD registry key using the key name
|
|
// An easier way than using GetRegEntry() directly
|
|
//
|
|
// Arguments: cstrKeyName [Key name whose value should be retrieved]
|
|
//
|
|
// Returns: Value of the Key (type: DWORD)
|
|
//
|
|
// History: t-byao Created 6/19/96
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL GetRegEntryDWord(DWORD *pdValue, const char *pszKeyName)
|
|
{
|
|
DWORD dwSize = sizeof(int);
|
|
|
|
return GetRegEntry(HKEY_LOCAL_MACHINE,
|
|
"SOFTWARE\\MICROSOFT\\NAMESERVICE\\MAPPING",
|
|
pszKeyName,
|
|
REG_DWORD,NULL,
|
|
0,
|
|
(BYTE *)pdValue,
|
|
&dwSize);
|
|
}
|
|
*/
|
|
#endif
|