RetroZilla/xpinstall/wizard/os2/uninstall/parser.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 "extern.h"
#include "logkeys.h"
#include "extra.h"
#include "parser.h"
#include "ifuncns.h"
#include "dialogs.h"
#define KEY_SHARED_DLLS "Software\\Microsoft\\Windows\\CurrentVersion\\SharedDlls"
BOOL DeleteOrDelayUntilReboot(PSZ szFile)
{
FILE *ofp;
char szWinDir[MAX_BUF];
char szWininitFile[MAX_BUF];
BOOL bDelayDelete = FALSE;
BOOL bWriteRenameSection;
FileDelete(szFile);
if(FileExists(szFile))
{
DosReplaceModule(szFile, NULL, NULL);
FileDelete(szFile);
}
return TRUE;
}
void RemoveUninstaller(PSZ szUninstallFilename)
{
char szUninstallFile[MAX_BUF];
strcpy(szUninstallFile, ugUninstall.szLogPath);
strcat(szUninstallFile, "\\");
strcat(szUninstallFile, szUninstallFilename);
DeleteOrDelayUntilReboot(szUninstallFile);
DirectoryRemove(ugUninstall.szLogPath, FALSE);
}
sil *InitSilNodes(char *szInFile)
{
FILE *ifp;
char szLineRead[MAX_BUF];
sil *silTemp;
sil *silHead;
unsigned long long ullLineCount;
if(FileExists(szInFile) == FALSE)
return(NULL);
ullLineCount = 0;
silHead = NULL;
if((ifp = fopen(szInFile, "r")) == NULL)
exit(1);
while(fgets(szLineRead, MAX_BUF, ifp) != NULL)
{
silTemp = CreateSilNode();
silTemp->ullLineNumber = ++ullLineCount;
strcpy(silTemp->szLine, szLineRead);
if(silHead == NULL)
{
silHead = silTemp;
}
else
{
SilNodeInsert(silHead, silTemp);
}
ProcessWindowsMessages();
}
fclose(ifp);
return(silHead);
}
void DeInitSilNodes(sil **silHead)
{
sil *silTemp;
if(*silHead == NULL)
{
return;
}
else if(((*silHead)->Prev == NULL) || ((*silHead)->Prev == *silHead))
{
SilNodeDelete(*silHead);
return;
}
else
{
silTemp = (*silHead)->Prev;
}
while(silTemp != *silHead)
{
SilNodeDelete(silTemp);
silTemp = (*silHead)->Prev;
ProcessWindowsMessages();
}
SilNodeDelete(silTemp);
}
void ParseForFile(PSZ szString, PSZ szKeyStr, PSZ szFile, ULONG ulShortFilenameBufSize)
{
int iLen;
PSZ szFirstNonSpace;
char szBuf[MAX_BUF];
if((szFirstNonSpace = GetFirstNonSpace(&(szString[strlen(szKeyStr)]))) != NULL)
{
iLen = strlen(szFirstNonSpace);
if(szFirstNonSpace[iLen - 1] == '\n')
szFirstNonSpace[iLen -1] = '\0';
strcpy(szFile, szFirstNonSpace);
}
}
void ParseForCopyFile(PSZ szString, PSZ szKeyStr, PSZ szFile, ULONG ulShortFilenameBufSize)
{
int iLen;
PSZ szFirstNonSpace;
PSZ szSubStr = NULL;
char szBuf[MAX_BUF];
if((szSubStr = strstr(szString, " to ")) != NULL)
{
if((szFirstNonSpace = GetFirstNonSpace(&(szSubStr[strlen(" to ")]))) != NULL)
{
iLen = strlen(szFirstNonSpace);
if(szFirstNonSpace[iLen - 1] == '\n')
szFirstNonSpace[iLen -1] = '\0';
strcpy(szFile, szFirstNonSpace);
}
}
}
void ParseForOS2INIInfo(PSZ szString, PSZ szKeyStr, PSZ szApp, ULONG ulAppBufSize, PSZ szKey, ULONG ulKeyBufSize)
{
int i;
int iLen;
int iBrackets;
char szStrCopy[MAX_BUF];
PSZ szFirstNonSpace;
PSZ szFirstBackSlash;
BOOL bFoundOpenBracket;
BOOL bFoundName;
strcpy(szStrCopy, szString);
if((szFirstNonSpace = GetFirstNonSpace(&(szStrCopy[strlen(szKeyStr)]))) != NULL)
{
iLen = strlen(szFirstNonSpace);
if(szFirstNonSpace[iLen - 1] == '\n')
{
szFirstNonSpace[--iLen] = '\0';
}
iLen = strlen(szFirstNonSpace);
iBrackets = 0;
bFoundName = FALSE;
bFoundOpenBracket = FALSE;
for(i = iLen - 1; i >= 0; i--)
{
if(bFoundName == FALSE)
{
/* Find the Name created in the Windows registry key.
* Since the Name can contain '[' and ']', we have to
* parse for the brackets that denote the Name string in
* szFirstNonSpace. It parses from right to left.
*/
if(szFirstNonSpace[i] == ']')
{
if(iBrackets == 0)
szFirstNonSpace[i] = '\0';
++iBrackets;
}
else if(szFirstNonSpace[i] == '[')
{
bFoundOpenBracket = TRUE;
--iBrackets;
}
if((bFoundOpenBracket) && (iBrackets == 0))
{
strcpy(szKey, &(szFirstNonSpace[i + 1]));
bFoundName = TRUE;
}
}
else
{
/* locate the first non space to the left of the last '[' */
if(!isspace(szFirstNonSpace[i]))
{
szFirstNonSpace[i + 1] = '\0';
strcpy(szApp, szFirstNonSpace);
break;
}
}
}
}
}
ULONG Uninstall(sil* silInstallLogHead)
{
sil *silInstallLogTemp;
PSZ szSubStr;
char szLCLine[MAX_BUF];
char szApp[MAX_BUF];
char szKey[MAX_BUF];
char szFile[MAX_BUF];
if(silInstallLogHead != NULL)
{
silInstallLogTemp = silInstallLogHead;
do
{
silInstallLogTemp = silInstallLogTemp->Prev;
strcpy(szLCLine, silInstallLogTemp->szLine);
strlwr(szLCLine);
if(((szSubStr = strstr(szLCLine, KEY_INSTALLING)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
/* check for "Installing: " string and delete the file */
ParseForFile(szSubStr, KEY_INSTALLING, szFile, sizeof(szFile));
DeleteOrDelayUntilReboot(szFile);
}
else if(((szSubStr = strstr(szLCLine, KEY_REPLACING)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
/* check for "Replacing: " string and delete the file */
ParseForFile(szSubStr, KEY_REPLACING, szFile, sizeof(szFile));
DeleteOrDelayUntilReboot(szFile);
}
else if(((szSubStr = strstr(silInstallLogTemp->szLine, KEY_STORE_INI_ENTRY)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
/* check for "Store INI Entry: " string and get the app/key pair */
ParseForOS2INIInfo(szSubStr, KEY_STORE_INI_ENTRY, szApp, sizeof(szKey), szKey, sizeof(szKey));
PrfWriteProfileString(HINI_USER, szApp, szKey, NULL);
}
else if(((szSubStr = strstr(silInstallLogTemp->szLine, KEY_OS2_OBJECT)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
/* check for "OS2 object" string and delete the object */
HOBJECT hObj = NULLHANDLE;
ParseForFile(szSubStr, KEY_OS2_OBJECT, szFile, sizeof(szFile));
hObj = WinQueryObject(szFile);
if (hObj) {
WinDestroyObject(hObj);
}
}
else if(((szSubStr = strstr(szLCLine, KEY_CREATE_FOLDER)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
ParseForFile(szSubStr, KEY_CREATE_FOLDER, szFile, sizeof(szFile));
DirectoryRemove(szFile, FALSE);
}
else if(((szSubStr = strstr(szLCLine, KEY_COPY_FILE)) != NULL) &&
(strstr(szLCLine, KEY_DO_NOT_UNINSTALL) == NULL))
{
/* check for "copy file: " string and delete the file */
ParseForCopyFile(szSubStr, KEY_COPY_FILE, szFile, sizeof(szFile));
DeleteOrDelayUntilReboot(szFile);
}
ProcessWindowsMessages();
} while(silInstallLogTemp != silInstallLogHead);
}
return(0);
}
ULONG GetLogFile(PSZ szTargetPath, PSZ szInFilename, PSZ szOutBuf, ULONG dwOutBufSize)
{
int iFilenameOnlyLen;
char szSearchFilename[MAX_BUF];
char szSearchTargetFullFilename[MAX_BUF];
char szFilenameOnly[MAX_BUF];
char szFilenameExtensionOnly[MAX_BUF];
char szNumber[MAX_BUF];
long ulNumber;
long ulMaxNumber;
PSZ szDotPtr;
HDIR hFile;
FILEFINDBUF3 fdFile;
ULONG ulFindCount;
ULONG ulAttrs;
BOOL bFound;
if(FileExists(szTargetPath))
{
/* zero out the memory */
memset(szOutBuf, 0, dwOutBufSize);
memset(szSearchFilename, 0, sizeof(szSearchFilename));
memset(szFilenameOnly, 0, sizeof(szFilenameOnly));
memset(szFilenameExtensionOnly, 0, sizeof(szFilenameExtensionOnly));
/* parse for the filename w/o extention and also only the extension */
if((szDotPtr = strstr(szInFilename, ".")) != NULL)
{
*szDotPtr = '\0';
strcpy(szSearchFilename, szInFilename);
strcpy(szFilenameOnly, szInFilename);
strcpy(szFilenameExtensionOnly, &szDotPtr[1]);
*szDotPtr = '.';
}
else
{
strcpy(szFilenameOnly, szInFilename);
strcpy(szSearchFilename, szInFilename);
}
/* create the wild arg filename to search for in the szTargetPath */
strcat(szSearchFilename, "*.*");
strcpy(szSearchTargetFullFilename, szTargetPath);
AppendBackSlash(szSearchTargetFullFilename, sizeof(szSearchTargetFullFilename));
strcat(szSearchTargetFullFilename, szSearchFilename);
iFilenameOnlyLen = strlen(szFilenameOnly);
ulNumber = 0;
ulMaxNumber = -1;
/* find the largest numbered filename in the szTargetPath */
ulFindCount = 1;
hFile = HDIR_CREATE;
ulAttrs = FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED;
if((DosFindFirst(szSearchTargetFullFilename, &hFile, ulAttrs, &fdFile, sizeof(fdFile), &ulFindCount, FIL_STANDARD)) != NO_ERROR)
bFound = FALSE;
else
bFound = TRUE;
while(bFound)
{
memset(szNumber, 0, sizeof(szNumber));
if((stricmp(fdFile.achName, ".") != 0) && (stricmp(fdFile.achName, "..") != 0))
{
strcpy(szNumber, &fdFile.achName[iFilenameOnlyLen]);
ulNumber = atoi(szNumber);
if(ulNumber > ulMaxNumber)
ulMaxNumber = ulNumber;
}
ulFindCount = 1;
if (DosFindNext(hFile, &fdFile, sizeof(fdFile), &ulFindCount) == NO_ERROR) {
bFound = TRUE;
} else {
bFound = FALSE;
}
}
DosFindClose(hFile);
strcpy(szOutBuf, szTargetPath);
AppendBackSlash(szOutBuf, dwOutBufSize);
strcat(szOutBuf, szFilenameOnly);
_itoa(ulMaxNumber, szNumber, 10);
strcat(szOutBuf, szNumber);
if(*szFilenameExtensionOnly != '\0')
{
strcat(szOutBuf, ".");
strcat(szOutBuf, szFilenameExtensionOnly);
}
}
else
return(0);
return(FileExists(szOutBuf));
}