RetroZilla/xpinstall/wizard/windows/uninstall/ifuncns.c

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Sean Su <ssu@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "ifuncns.h"
#include "extra.h"
BOOL SearchForUninstallKeys(char *szStringToMatch)
{
char szBuf[MAX_BUF];
char szStringToMatchLowerCase[MAX_BUF];
char szBufKey[MAX_BUF];
char szSubKey[MAX_BUF];
HKEY hkHandle;
BOOL bFound;
DWORD dwIndex;
DWORD dwSubKeySize;
DWORD dwTotalSubKeys;
DWORD dwTotalValues;
FILETIME ftLastWriteFileTime;
char szWRMSUninstallKeyPath[] = "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
char szWRMSUninstallName[] = "UninstallString";
lstrcpyn(szStringToMatchLowerCase, szStringToMatch, sizeof(szStringToMatchLowerCase));
CharLower(szStringToMatchLowerCase);
bFound = FALSE;
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, szWRMSUninstallKeyPath, 0, KEY_READ, &hkHandle) != ERROR_SUCCESS)
return(bFound);
dwTotalSubKeys = 0;
dwTotalValues = 0;
RegQueryInfoKey(hkHandle, NULL, NULL, NULL, &dwTotalSubKeys, NULL, NULL, &dwTotalValues, NULL, NULL, NULL, NULL);
for(dwIndex = 0; dwIndex < dwTotalSubKeys; dwIndex++)
{
dwSubKeySize = sizeof(szSubKey);
if(RegEnumKeyEx(hkHandle, dwIndex, szSubKey, &dwSubKeySize, NULL, NULL, NULL, &ftLastWriteFileTime) == ERROR_SUCCESS)
{
wsprintf(szBufKey, "%s\\%s", szWRMSUninstallKeyPath, szSubKey);
GetWinReg(HKEY_LOCAL_MACHINE, szBufKey, szWRMSUninstallName, szBuf, sizeof(szBuf));
CharLower(szBuf);
if(strstr(szBuf, szStringToMatchLowerCase) != NULL)
{
bFound = TRUE;
/* found one subkey. break out of the for() loop */
break;
}
}
}
RegCloseKey(hkHandle);
return(bFound);
}
HRESULT FileMove(LPSTR szFrom, LPSTR szTo)
{
HANDLE hFile;
WIN32_FIND_DATA fdFile;
char szFromDir[MAX_BUF];
char szFromTemp[MAX_BUF];
char szToTemp[MAX_BUF];
char szBuf[MAX_BUF];
BOOL bFound;
/* From file path exists and To file path does not exist */
if((FileExists(szFrom)) && (!FileExists(szTo)))
{
MoveFile(szFrom, szTo);
return(FO_SUCCESS);
}
/* From file path exists and To file path exists */
if(FileExists(szFrom) && FileExists(szTo))
{
/* Since the To file path exists, assume it to be a directory and proceed. */
/* We don't care if it's a file. If it is a file, then config.ini needs to be */
/* corrected to remove the file before attempting a MoveFile(). */
lstrcpy(szToTemp, szTo);
AppendBackSlash(szToTemp, sizeof(szToTemp));
ParsePath(szFrom, szBuf, MAX_BUF, PP_FILENAME_ONLY);
lstrcat(szToTemp, szBuf);
MoveFile(szFrom, szToTemp);
return(FO_SUCCESS);
}
ParsePath(szFrom, szFromDir, MAX_BUF, PP_PATH_ONLY);
if((hFile = FindFirstFile(szFrom, &fdFile)) == INVALID_HANDLE_VALUE)
bFound = FALSE;
else
bFound = TRUE;
while(bFound)
{
if((lstrcmpi(fdFile.cFileName, ".") != 0) && (lstrcmpi(fdFile.cFileName, "..") != 0))
{
/* create full path string including filename for source */
lstrcpy(szFromTemp, szFromDir);
AppendBackSlash(szFromTemp, sizeof(szFromTemp));
lstrcat(szFromTemp, fdFile.cFileName);
/* create full path string including filename for destination */
lstrcpy(szToTemp, szTo);
AppendBackSlash(szToTemp, sizeof(szToTemp));
lstrcat(szToTemp, fdFile.cFileName);
MoveFile(szFromTemp, szToTemp);
}
bFound = FindNextFile(hFile, &fdFile);
}
FindClose(hFile);
return(FO_SUCCESS);
}
HRESULT FileCopy(LPSTR szFrom, LPSTR szTo, BOOL bFailIfExists)
{
HANDLE hFile;
WIN32_FIND_DATA fdFile;
char szFromDir[MAX_BUF];
char szFromTemp[MAX_BUF];
char szToTemp[MAX_BUF];
char szBuf[MAX_BUF];
BOOL bFound;
if(FileExists(szFrom))
{
/* The file in the From file path exists */
ParsePath(szFrom, szBuf, MAX_BUF, PP_FILENAME_ONLY);
lstrcpy(szToTemp, szTo);
AppendBackSlash(szToTemp, sizeof(szToTemp));
lstrcat(szToTemp, szBuf);
CopyFile(szFrom, szToTemp, bFailIfExists);
return(FO_SUCCESS);
}
/* The file in the From file path does not exist. Assume to contain wild args and */
/* proceed acordingly. */
ParsePath(szFrom, szFromDir, MAX_BUF, PP_PATH_ONLY);
if((hFile = FindFirstFile(szFrom, &fdFile)) == INVALID_HANDLE_VALUE)
bFound = FALSE;
else
bFound = TRUE;
while(bFound)
{
if((lstrcmpi(fdFile.cFileName, ".") != 0) && (lstrcmpi(fdFile.cFileName, "..") != 0))
{
/* create full path string including filename for source */
lstrcpy(szFromTemp, szFromDir);
AppendBackSlash(szFromTemp, sizeof(szFromTemp));
lstrcat(szFromTemp, fdFile.cFileName);
/* create full path string including filename for destination */
lstrcpy(szToTemp, szTo);
AppendBackSlash(szToTemp, sizeof(szToTemp));
lstrcat(szToTemp, fdFile.cFileName);
CopyFile(szFromTemp, szToTemp, bFailIfExists);
}
bFound = FindNextFile(hFile, &fdFile);
}
FindClose(hFile);
return(FO_SUCCESS);
}
HRESULT CreateDirectoriesAll(char* szPath)
{
int i;
int iLen = lstrlen(szPath);
char szCreatePath[MAX_BUF];
HRESULT hrResult;
ZeroMemory(szCreatePath, MAX_BUF);
memcpy(szCreatePath, szPath, iLen);
for(i = 0; i < iLen; i++)
{
if((iLen > 1) &&
((i != 0) && ((szPath[i] == '\\') || (szPath[i] == '/'))) &&
(!((szPath[0] == '\\') && (i == 1)) && !((szPath[1] == ':') && (i == 2))))
{
szCreatePath[i] = '\0';
hrResult = CreateDirectory(szCreatePath, NULL);
szCreatePath[i] = szPath[i];
}
}
return(hrResult);
}
HRESULT FileDelete(LPSTR szDestination)
{
HANDLE hFile;
WIN32_FIND_DATA fdFile;
char szBuf[MAX_BUF];
char szPathOnly[MAX_BUF];
BOOL bFound;
if(FileExists(szDestination))
{
/* The file in the From file path exists */
DeleteFile(szDestination);
return(FO_SUCCESS);
}
/* The file in the From file path does not exist. Assume to contain wild args and */
/* proceed acordingly. */
ParsePath(szDestination, szPathOnly, MAX_BUF, PP_PATH_ONLY);
if((hFile = FindFirstFile(szDestination, &fdFile)) == INVALID_HANDLE_VALUE)
bFound = FALSE;
else
bFound = TRUE;
while(bFound)
{
if(!(fdFile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
lstrcpy(szBuf, szPathOnly);
AppendBackSlash(szBuf, sizeof(szBuf));
lstrcat(szBuf, fdFile.cFileName);
DeleteFile(szBuf);
}
bFound = FindNextFile(hFile, &fdFile);
}
FindClose(hFile);
return(FO_SUCCESS);
}
HRESULT DirectoryRemove(LPSTR szDestination, BOOL bRemoveSubdirs)
{
HANDLE hFile;
WIN32_FIND_DATA fdFile;
char szDestTemp[MAX_BUF];
BOOL bFound;
if(!FileExists(szDestination))
return(FO_SUCCESS);
if(bRemoveSubdirs == TRUE)
{
lstrcpy(szDestTemp, szDestination);
AppendBackSlash(szDestTemp, sizeof(szDestTemp));
lstrcat(szDestTemp, "*");
bFound = TRUE;
hFile = FindFirstFile(szDestTemp, &fdFile);
while((hFile != INVALID_HANDLE_VALUE) && (bFound == TRUE))
{
if((lstrcmpi(fdFile.cFileName, ".") != 0) && (lstrcmpi(fdFile.cFileName, "..") != 0))
{
/* create full path */
lstrcpy(szDestTemp, szDestination);
AppendBackSlash(szDestTemp, sizeof(szDestTemp));
lstrcat(szDestTemp, fdFile.cFileName);
if(fdFile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
DirectoryRemove(szDestTemp, bRemoveSubdirs);
}
else
{
DeleteFile(szDestTemp);
}
}
bFound = FindNextFile(hFile, &fdFile);
}
FindClose(hFile);
}
RemoveDirectory(szDestination);
return(FO_SUCCESS);
}
HKEY ParseRootKey(LPSTR szRootKey)
{
HKEY hkRootKey;
if(lstrcmpi(szRootKey, "HKEY_CURRENT_CONFIG") == 0)
hkRootKey = HKEY_CURRENT_CONFIG;
else if(lstrcmpi(szRootKey, "HKEY_CURRENT_USER") == 0)
hkRootKey = HKEY_CURRENT_USER;
else if(lstrcmpi(szRootKey, "HKEY_LOCAL_MACHINE") == 0)
hkRootKey = HKEY_LOCAL_MACHINE;
else if(lstrcmpi(szRootKey, "HKEY_USERS") == 0)
hkRootKey = HKEY_USERS;
else if(lstrcmpi(szRootKey, "HKEY_PERFORMANCE_DATA") == 0)
hkRootKey = HKEY_PERFORMANCE_DATA;
else if(lstrcmpi(szRootKey, "HKEY_DYN_DATA") == 0)
hkRootKey = HKEY_DYN_DATA;
else /* HKEY_CLASSES_ROOT */
hkRootKey = HKEY_CLASSES_ROOT;
return(hkRootKey);
}
LPSTR GetStringRootKey(HKEY hkRootKey, LPSTR szString, DWORD dwStringSize)
{
if(hkRootKey == HKEY_CURRENT_CONFIG)
{
if(sizeof("HKEY_CURRENT_CONFIG") <= dwStringSize)
lstrcpy(szString, "HKEY_CURRENT_CONFIG");
else
return(NULL);
}
else if(hkRootKey == HKEY_CURRENT_USER)
{
if(sizeof("HKEY_CURRENT_USER") <= dwStringSize)
lstrcpy(szString, "HKEY_CURRENT_USER");
else
return(NULL);
}
else if(hkRootKey == HKEY_LOCAL_MACHINE)
{
if(sizeof("HKEY_LOCAL_MACHINE") <= dwStringSize)
lstrcpy(szString, "HKEY_LOCAL_MACHINE");
else
return(NULL);
}
else if(hkRootKey == HKEY_USERS)
{
if(sizeof("HKEY_USERS") <= dwStringSize)
lstrcpy(szString, "HKEY_USERS");
else
return(NULL);
}
else if(hkRootKey == HKEY_PERFORMANCE_DATA)
{
if(sizeof("HKEY_PERFORMANCE_DATA") <= dwStringSize)
lstrcpy(szString, "HKEY_PERFORMANCE_DATA");
else
return(NULL);
}
else if(hkRootKey == HKEY_DYN_DATA)
{
if(sizeof("HKEY_DYN_DATA") <= dwStringSize)
lstrcpy(szString, "HKEY_DYN_DATA");
else
return(NULL);
}
else
{
if(sizeof("HKEY_CLASSES_ROOT") <= dwStringSize)
lstrcpy(szString, "HKEY_CLASSES_ROOT");
else
return(NULL);
}
return(szString);
}
BOOL WinRegKeyExists(HKEY hkRootKey, LPSTR szKey)
{
HKEY hkResult;
BOOL bKeyExists = FALSE;
if(RegOpenKeyEx(hkRootKey, szKey, 0, KEY_READ, &hkResult) == ERROR_SUCCESS)
{
bKeyExists = TRUE;
RegCloseKey(hkResult);
}
return(bKeyExists);
}