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RetroZilla/xpinstall/wizard/windows/uninstall/extra.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 "extra.h"
#include "parser.h"
#include "dialogs.h"
#include "ifuncns.h"
#include "process.h"
#include <winver.h>
// shellapi.h is needed to build with WIN32_LEAN_AND_MEAN
#include <shellapi.h>
#define HIDWORD(l) ((DWORD) (((ULONG) (l) >> 32) & 0xFFFF))
#define LODWORD(l) ((DWORD) (l))
#define INDEX_STR_LEN 10
#define PN_PROCESS TEXT("Process")
#define PN_THREAD TEXT("Thread")
ULONG (PASCAL *NS_GetDiskFreeSpace)(LPCTSTR, LPDWORD, LPDWORD, LPDWORD, LPDWORD);
ULONG (PASCAL *NS_GetDiskFreeSpaceEx)(LPCTSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER);
BOOL InitApplication(HINSTANCE hInstance)
{
WNDCLASS wc;
wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW;
wc.lpfnWndProc = DefDlgProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = DLGWINDOWEXTRA;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_UNINSTALL));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = szClassName;
dwScreenX = GetSystemMetrics(SM_CXSCREEN);
dwScreenY = GetSystemMetrics(SM_CYSCREEN);
return(RegisterClass(&wc));
}
void PrintError(LPSTR szMsg, DWORD dwErrorCodeSH)
{
DWORD dwErr;
char szErrorString[MAX_BUF];
if(dwErrorCodeSH == ERROR_CODE_SHOW)
{
dwErr = GetLastError();
wsprintf(szErrorString, "%d : %s", dwErr, szMsg);
}
else
wsprintf(szErrorString, "%s", szMsg);
if((ugUninstall.mode != SILENT) && (ugUninstall.mode != AUTO))
{
MessageBox(hWndMain, szErrorString, NULL, MB_ICONEXCLAMATION);
}
else if(ugUninstall.mode == AUTO)
{
ShowMessage(szErrorString, TRUE);
Delay(5);
ShowMessage(szErrorString, FALSE);
}
}
void *NS_GlobalAlloc(DWORD dwMaxBuf)
{
LPSTR szBuf = NULL;
if((szBuf = GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT, dwMaxBuf)) == NULL)
{
if((szEGlobalAlloc == NULL) || (*szEGlobalAlloc == '\0'))
PrintError(TEXT("Memory allocation error."), ERROR_CODE_HIDE);
else
PrintError(szEGlobalAlloc, ERROR_CODE_SHOW);
return(NULL);
}
else
return(szBuf);
}
void FreeMemory(void **vPointer)
{
if(*vPointer != NULL)
*vPointer = GlobalFree(*vPointer);
}
HRESULT NS_LoadStringAlloc(HANDLE hInstance, DWORD dwID, LPSTR *szStringBuf, DWORD dwStringBuf)
{
char szBuf[MAX_BUF];
if((*szStringBuf = NS_GlobalAlloc(MAX_BUF)) == NULL)
exit(1);
if(!LoadString(hInstance, dwID, *szStringBuf, dwStringBuf))
{
if((szEStringLoad == NULL) ||(*szEStringLoad == '\0'))
wsprintf(szBuf, "Could not load string resource ID %d", dwID);
else
wsprintf(szBuf, szEStringLoad, dwID);
PrintError(szBuf, ERROR_CODE_SHOW);
return(1);
}
return(0);
}
HRESULT NS_LoadString(HANDLE hInstance, DWORD dwID, LPSTR szStringBuf, DWORD dwStringBuf)
{
char szBuf[MAX_BUF];
if(!LoadString(hInstance, dwID, szStringBuf, dwStringBuf))
{
if((szEStringLoad == NULL) ||(*szEStringLoad == '\0'))
wsprintf(szBuf, "Could not load string resource ID %d", dwID);
else
wsprintf(szBuf, szEStringLoad, dwID);
PrintError(szBuf, ERROR_CODE_SHOW);
return(1);
}
return(WIZ_OK);
}
void Delay(DWORD dwSeconds)
{
SleepEx(dwSeconds * 1000, FALSE);
}
HRESULT Initialize(HINSTANCE hInstance)
{
char szBuf[MAX_BUF];
hDlgMessage = NULL;
DetermineOSVersion();
gdwWhatToDo = WTD_ASK;
/* load strings from setup.exe */
if(NS_LoadStringAlloc(hInst, IDS_ERROR_GLOBALALLOC, &szEGlobalAlloc, MAX_BUF))
return(1);
if(NS_LoadStringAlloc(hInst, IDS_ERROR_STRING_LOAD, &szEStringLoad, MAX_BUF))
return(1);
if(NS_LoadStringAlloc(hInst, IDS_ERROR_DLL_LOAD, &szEDllLoad, MAX_BUF))
return(1);
if(NS_LoadStringAlloc(hInst, IDS_ERROR_STRING_NULL, &szEStringNull, MAX_BUF))
return(1);
ZeroMemory(szBuf, sizeof(MAX_BUF));
if((szClassName = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
lstrcpy(szClassName, CLASS_NAME_UNINSTALL_DLG);
hAccelTable = LoadAccelerators(hInst, szClassName);
if((szUninstallDir = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
GetModuleFileName(NULL, szBuf, sizeof(szBuf));
ParsePath(szBuf, szUninstallDir, MAX_BUF, PP_PATH_ONLY);
if((szTempDir = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((szOSTempDir = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((szFileIniUninstall = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
lstrcpy(szFileIniUninstall, szUninstallDir);
AppendBackSlash(szFileIniUninstall, MAX_BUF);
lstrcat(szFileIniUninstall, FILE_INI_UNINSTALL);
if((szFileIniDefaultsInfo = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
lstrcpy(szFileIniDefaultsInfo, szUninstallDir);
AppendBackSlash(szFileIniDefaultsInfo, MAX_BUF);
GetPrivateProfileString("General", "Defaults Info Filename", "", szBuf, MAX_BUF, szFileIniUninstall);
lstrcat(szFileIniDefaultsInfo, szBuf);
// determine the system's TEMP path
if(GetTempPath(MAX_BUF, szTempDir) == 0)
{
if(GetWindowsDirectory(szTempDir, MAX_BUF) == 0)
{
char szEGetWinDirFailed[MAX_BUF];
if(GetPrivateProfileString("Messages", "ERROR_GET_WINDOWS_DIRECTORY_FAILED", "",
szEGetWinDirFailed, sizeof(szEGetWinDirFailed),
szFileIniUninstall))
PrintError(szEGetWinDirFailed, ERROR_CODE_SHOW);
return(1);
}
AppendBackSlash(szTempDir, MAX_BUF);
lstrcat(szTempDir, "TEMP");
}
lstrcpy(szOSTempDir, szTempDir);
AppendBackSlash(szTempDir, MAX_BUF);
lstrcat(szTempDir, WIZ_TEMP_DIR);
/* if multiple installer instances are allowed;
each instance requires a unique temp directory
*/
if(gbAllowMultipleInstalls)
{
DWORD dwLen = lstrlen(szTempDir);
if (strncmp(szUninstallDir, szTempDir, dwLen) == 0)
{
lstrcpy(szTempDir, szUninstallDir);
}
else
{
int i;
for(i = 1; i <= 100 && (FileExists(szTempDir) != FALSE); i++)
{
itoa(i, (szTempDir + dwLen), 10);
}
if (FileExists(szTempDir) != FALSE)
{
MessageBox(hWndMain, "Cannot create temp directory", NULL, MB_OK | MB_ICONEXCLAMATION);
exit(1);
}
}
}
else
{
// we're not running in mmi mode (allow multiple instances of installer
// to run at the same time), we should look for and remove the dirs
// that are created in the mmi mode.
DWORD dwLen;
char tempDirToCleanup[MAX_BUF];
int i = 1;
lstrcpy(tempDirToCleanup, szTempDir);
dwLen = lstrlen(tempDirToCleanup);
itoa(i, (tempDirToCleanup + dwLen), 10);
for(i = 2; i <= 100 && (FileExists(tempDirToCleanup)); i++)
{
DirectoryRemove(tempDirToCleanup, TRUE);
itoa(i, (tempDirToCleanup + dwLen), 10);
}
}
if(!FileExists(szTempDir))
{
AppendBackSlash(szTempDir, MAX_BUF);
CreateDirectoriesAll(szTempDir);
if(!FileExists(szTempDir))
{
char szECreateTempDir[MAX_BUF];
if(GetPrivateProfileString("Messages", "ERROR_CREATE_TEMP_DIR", "",
szECreateTempDir, sizeof(szECreateTempDir),
szFileIniUninstall))
{
wsprintf(szBuf, szECreateTempDir, szTempDir);
PrintError(szBuf, ERROR_CODE_HIDE);
}
return(1);
}
RemoveBackSlash(szTempDir);
}
ugUninstall.bVerbose = FALSE;
ugUninstall.bUninstallFiles = TRUE;
ugUninstall.bSharedInst = FALSE;
return(0);
}
/* Function to remove quotes from a string */
void RemoveQuotes(LPSTR lpszSrc, LPSTR lpszDest, int iDestSize)
{
char *lpszBegin;
if(lstrlen(lpszSrc) > iDestSize)
return;
if(*lpszSrc == '\"')
lpszBegin = &lpszSrc[1];
else
lpszBegin = lpszSrc;
lstrcpy(lpszDest, lpszBegin);
if(lpszDest[lstrlen(lpszDest) - 1] == '\"')
lpszDest[lstrlen(lpszDest) - 1] = '\0';
}
/* Function to copy strings safely.
* returns the amount of memory required (including NULL byte) if there's not enough
* else, it returns 0 for success.
*/
int MozCopyStr(LPSTR szSrc, LPSTR szDest, DWORD dwDestBufSize)
{
DWORD length = lstrlen(szSrc) + 1;
strncpy(szDest, szSrc, dwDestBufSize);
if(length > dwDestBufSize)
{
szDest[dwDestBufSize - 1] = '\0';
return(length);
}
return(0);
}
/* Function to locate the first non space character in a string,
* and return a pointer to it. */
LPSTR GetFirstNonSpace(LPSTR lpszString)
{
char* p = lpszString;
while (*p && isspace(*p))
p = CharNext(p);
if(*p == '\0') // null means end of string
return NULL;
return p;
}
/* Function to locate the first space character in a string,
* and return a pointer to it. */
LPSTR GetFirstSpace(LPSTR lpszString)
{
char* p = lpszString;
while (*p && !isspace(*p))
p = CharNext(p);
if (*p == '\0') // null means end of string
return NULL;
return p;
}
/* Function to locate the first character c in lpszString,
* and return a pointer to it. */
LPSTR MozStrChar(LPSTR lpszString, char c)
{
char* p = lpszString;
while (*p && (*p != c))
p = CharNext(p);
if (*p == '\0') // null means end of string
return NULL;
return p;
}
/* Function to return the argument count given a command line input
* format string */
int GetArgC(LPSTR lpszCommandLine)
{
int i;
int iArgCount;
int iStrLength;
LPSTR lpszBeginStr;
BOOL bFoundQuote;
BOOL bFoundSpace;
iArgCount = 0;
lpszBeginStr = GetFirstNonSpace(lpszCommandLine);
if(lpszBeginStr == NULL)
return(iArgCount);
iStrLength = lstrlen(lpszBeginStr);
bFoundQuote = FALSE;
bFoundSpace = TRUE;
for(i = 0; i < iStrLength; i++)
{
if(lpszCommandLine[i] == '\"')
{
if(bFoundQuote == FALSE)
{
++iArgCount;
bFoundQuote = TRUE;
}
else
{
bFoundQuote = FALSE;
}
}
else if(bFoundQuote == FALSE)
{
if(!isspace(lpszCommandLine[i]) && (bFoundSpace == TRUE))
{
++iArgCount;
bFoundSpace = FALSE;
}
else if(isspace(lpszCommandLine[i]))
{
bFoundSpace = TRUE;
}
}
}
return(iArgCount);
}
/* Function to return a specific argument parameter from a given command line input
* format string. */
LPSTR GetArgV(LPSTR lpszCommandLine, int iIndex, LPSTR lpszDest, int iDestSize)
{
int i;
int j;
int iArgCount;
int iStrLength;
LPSTR lpszBeginStr;
LPSTR lpszDestTemp;
BOOL bFoundQuote;
BOOL bFoundSpace;
iArgCount = 0;
lpszBeginStr = GetFirstNonSpace(lpszCommandLine);
if(lpszBeginStr == NULL)
return(NULL);
lpszDestTemp = (char *)calloc(iDestSize, sizeof(char));
if(lpszDestTemp == NULL)
{
PrintError("Out of memory", ERROR_CODE_HIDE);
exit(1);
}
ZeroMemory(lpszDest, iDestSize);
iStrLength = lstrlen(lpszBeginStr);
bFoundQuote = FALSE;
bFoundSpace = TRUE;
j = 0;
for(i = 0; i < iStrLength; i++)
{
if(lpszCommandLine[i] == '\"')
{
if(bFoundQuote == FALSE)
{
++iArgCount;
bFoundQuote = TRUE;
}
else
{
bFoundQuote = FALSE;
}
}
else if(bFoundQuote == FALSE)
{
if(!isspace(lpszCommandLine[i]) && (bFoundSpace == TRUE))
{
++iArgCount;
bFoundSpace = FALSE;
}
else if(isspace(lpszCommandLine[i]))
{
bFoundSpace = TRUE;
}
}
if((iIndex == (iArgCount - 1)) &&
((bFoundQuote == TRUE) || (bFoundSpace == FALSE) ||
((bFoundQuote == FALSE) && (lpszCommandLine[i] == '\"'))))
{
if(j < iDestSize)
{
lpszDestTemp[j] = lpszCommandLine[i];
++j;
}
else
{
lpszDestTemp[j] = '\0';
}
}
}
RemoveQuotes(lpszDestTemp, lpszDest, iDestSize);
free(lpszDestTemp);
return(lpszDest);
}
void SetUninstallRunMode(LPSTR szMode)
{
/* Check to see if mode has already been set. If so,
* then do not override it.
*/
if(ugUninstall.mode != NOT_SET)
return;
if(lstrcmpi(szMode, "NORMAL") == 0)
ugUninstall.mode = NORMAL;
if(lstrcmpi(szMode, "AUTO") == 0)
ugUninstall.mode = AUTO;
if(lstrcmpi(szMode, "SILENT") == 0)
ugUninstall.mode = SILENT;
if(lstrcmpi(szMode, "SHOWICONS") == 0)
ugUninstall.mode = SHOWICONS;
if(lstrcmpi(szMode, "HIDEICONS") == 0)
ugUninstall.mode = HIDEICONS;
if(lstrcmpi(szMode, "SETDEFAULT") == 0)
ugUninstall.mode = SETDEFAULT;
}
void RemoveBackSlash(LPSTR szInput)
{
int iCounter;
DWORD dwInputLen;
if(szInput != NULL)
{
dwInputLen = lstrlen(szInput);
for(iCounter = dwInputLen -1; iCounter >= 0 ; iCounter--)
{
if(szInput[iCounter] == '\\')
szInput[iCounter] = '\0';
else
break;
}
}
}
void AppendBackSlash(LPSTR szInput, DWORD dwInputSize)
{
if(szInput != NULL)
{
if(*szInput == '\0')
{
if(((DWORD)lstrlen(szInput) + 1) < dwInputSize)
{
lstrcat(szInput, "\\");
}
}
else if(szInput[strlen(szInput) - 1] != '\\')
{
if(((DWORD)lstrlen(szInput) + 1) < dwInputSize)
{
lstrcat(szInput, "\\");
}
}
}
}
void RemoveSlash(LPSTR szInput)
{
int iCounter;
DWORD dwInputLen;
if(szInput != NULL)
{
dwInputLen = lstrlen(szInput);
for(iCounter = dwInputLen -1; iCounter >= 0 ; iCounter--)
{
if(szInput[iCounter] == '/')
szInput[iCounter] = '\0';
else
break;
}
}
}
void AppendSlash(LPSTR szInput, DWORD dwInputSize)
{
if(szInput != NULL)
{
if(*szInput == '\0')
{
if(((DWORD)lstrlen(szInput) + 1) < dwInputSize)
{
lstrcat(szInput, "/");
}
}
else if(szInput[strlen(szInput) - 1] != '/')
{
if(((DWORD)lstrlen(szInput) + 1) < dwInputSize)
{
lstrcat(szInput, "/");
}
}
}
}
void ParsePath(LPSTR szInput, LPSTR szOutput, DWORD dwOutputSize, DWORD dwType)
{
int iCounter;
DWORD dwCounter;
DWORD dwInputLen;
BOOL bFound;
if((szInput != NULL) && (szOutput != NULL))
{
bFound = FALSE;
dwInputLen = lstrlen(szInput);
ZeroMemory(szOutput, dwOutputSize);
if(dwInputLen < dwOutputSize)
{
switch(dwType)
{
case PP_FILENAME_ONLY:
for(iCounter = dwInputLen - 1; iCounter >= 0; iCounter--)
{
if(szInput[iCounter] == '\\')
{
lstrcpy(szOutput, &szInput[iCounter + 1]);
bFound = TRUE;
break;
}
}
if(bFound == FALSE)
lstrcpy(szOutput, szInput);
break;
case PP_PATH_ONLY:
for(iCounter = dwInputLen - 1; iCounter >= 0; iCounter--)
{
if(szInput[iCounter] == '\\')
{
lstrcpy(szOutput, szInput);
szOutput[iCounter + 1] = '\0';
bFound = TRUE;
break;
}
}
if(bFound == FALSE)
lstrcpy(szOutput, szInput);
break;
case PP_ROOT_ONLY:
if(szInput[1] == ':')
{
szOutput[0] = szInput[0];
szOutput[1] = szInput[1];
AppendBackSlash(szOutput, dwOutputSize);
}
else if(szInput[1] == '\\')
{
int iFoundBackSlash = 0;
for(dwCounter = 0; dwCounter < dwInputLen; dwCounter++)
{
if(szInput[dwCounter] == '\\')
{
szOutput[dwCounter] = szInput[dwCounter];
++iFoundBackSlash;
}
if(iFoundBackSlash == 3)
break;
}
if(iFoundBackSlash != 0)
AppendBackSlash(szOutput, dwOutputSize);
}
break;
}
}
}
}
void DetermineOSVersion()
{
BOOL bIsWin95Debute;
char szEMsg[MAX_BUF];
OSVERSIONINFO osVersionInfo;
ulOSType = 0;
osVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if(!GetVersionEx(&osVersionInfo))
{
/* GetVersionEx() failed for some reason. It's not fatal, but could cause
* some complications during installation */
if(GetPrivateProfileString("Messages", "ERROR_GETVERSION", "", szEMsg, sizeof(szEMsg), szFileIniUninstall))
PrintError(szEMsg, ERROR_CODE_SHOW);
}
bIsWin95Debute = IsWin95Debute();
switch(osVersionInfo.dwPlatformId)
{
case VER_PLATFORM_WIN32_WINDOWS:
ulOSType |= OS_WIN9x;
if(osVersionInfo.dwMinorVersion == 0)
{
ulOSType |= OS_WIN95;
if(bIsWin95Debute)
ulOSType |= OS_WIN95_DEBUTE;
}
else
ulOSType |= OS_WIN98;
break;
case VER_PLATFORM_WIN32_NT:
ulOSType |= OS_NT;
switch(osVersionInfo.dwMajorVersion)
{
case 3:
ulOSType |= OS_NT3;
break;
case 4:
ulOSType |= OS_NT4;
break;
default:
ulOSType |= OS_NT5;
switch(osVersionInfo.dwMinorVersion)
{
case 0:
/* a minor version of 0 (major.minor.build) indicates Win2000 */
ulOSType |= OS_NT50;
break;
case 1:
/* a minor version of 1 (major.minor.build) indicates WinXP */
ulOSType |= OS_NT51;
break;
}
break;
}
break;
default:
if(GetPrivateProfileString("Messages", "ERROR_SETUP_REQUIREMENT", "", szEMsg, sizeof(szEMsg), szFileIniUninstall))
PrintError(szEMsg, ERROR_CODE_HIDE);
exit(1);
break;
}
}
HRESULT WinSpawn(LPSTR szClientName, LPSTR szParameters, LPSTR szCurrentDir, int iShowCmd, BOOL bWait)
{
SHELLEXECUTEINFO seInfo;
seInfo.cbSize = sizeof(SHELLEXECUTEINFO);
seInfo.fMask = SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_NOCLOSEPROCESS;
seInfo.hwnd = hWndMain;
seInfo.lpVerb = NULL;
seInfo.lpFile = szClientName;
seInfo.lpParameters = szParameters;
seInfo.lpDirectory = szCurrentDir;
seInfo.nShow = SW_SHOWNORMAL;
seInfo.hInstApp = 0;
seInfo.lpIDList = NULL;
seInfo.lpClass = NULL;
seInfo.hkeyClass = 0;
seInfo.dwHotKey = 0;
seInfo.hIcon = 0;
seInfo.hProcess = 0;
if((ShellExecuteEx(&seInfo) != 0) && (seInfo.hProcess != NULL))
{
if(bWait)
{
for(;;)
{
if(WaitForSingleObject(seInfo.hProcess, 200) == WAIT_OBJECT_0)
break;
ProcessWindowsMessages();
}
}
return(TRUE);
}
return(FALSE);
}
HRESULT InitDlgUninstall(diU *diDialog)
{
diDialog->bShowDialog = FALSE;
if((diDialog->szTitle = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((diDialog->szMessage0 = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
return(0);
}
void DeInitDlgUninstall(diU *diDialog)
{
FreeMemory(&(diDialog->szTitle));
FreeMemory(&(diDialog->szMessage0));
}
HRESULT InitUninstallGeneral()
{
ugUninstall.mode = NOT_SET;
if((ugUninstall.szAppPath = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szLogPath = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szLogFilename = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szCompanyName = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szProductName = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szWrKey = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szUserAgent = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szDefaultComponent = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szWrMainKey = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szDescription = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szUninstallKeyDescription = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szUninstallFilename = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szClientAppID = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
if((ugUninstall.szClientAppPath = NS_GlobalAlloc(MAX_BUF)) == NULL)
return(1);
return(0);
}
void DeInitUninstallGeneral()
{
FreeMemory(&(ugUninstall.szAppPath));
FreeMemory(&(ugUninstall.szLogPath));
FreeMemory(&(ugUninstall.szLogFilename));
FreeMemory(&(ugUninstall.szDescription));
FreeMemory(&(ugUninstall.szUninstallKeyDescription));
FreeMemory(&(ugUninstall.szUninstallFilename));
FreeMemory(&(ugUninstall.szUserAgent));
FreeMemory(&(ugUninstall.szDefaultComponent));
FreeMemory(&(ugUninstall.szWrKey));
FreeMemory(&(ugUninstall.szCompanyName));
FreeMemory(&(ugUninstall.szProductName));
FreeMemory(&(ugUninstall.szWrMainKey));
FreeMemory(&(ugUninstall.szClientAppID));
FreeMemory(&(ugUninstall.szClientAppPath));
DeleteObject(ugUninstall.definedFont);
}
sil *CreateSilNode()
{
sil *silNode;
if((silNode = NS_GlobalAlloc(sizeof(struct sInfoLine))) == NULL)
exit(1);
if((silNode->szLine = NS_GlobalAlloc(MAX_BUF)) == NULL)
exit(1);
silNode->ullLineNumber = 0;
silNode->Next = silNode;
silNode->Prev = silNode;
return(silNode);
}
void SilNodeInsert(sil *silHead, sil *silTemp)
{
if(silHead == NULL)
{
silHead = silTemp;
silHead->Next = silHead;
silHead->Prev = silHead;
}
else
{
silTemp->Next = silHead;
silTemp->Prev = silHead->Prev;
silHead->Prev->Next = silTemp;
silHead->Prev = silTemp;
}
}
void SilNodeDelete(sil *silTemp)
{
if(silTemp != NULL)
{
silTemp->Next->Prev = silTemp->Prev;
silTemp->Prev->Next = silTemp->Next;
silTemp->Next = NULL;
silTemp->Prev = NULL;
FreeMemory(&(silTemp->szLine));
FreeMemory(&silTemp);
}
}
BOOL IsWin95Debute()
{
HINSTANCE hLib;
BOOL bIsWin95Debute;
bIsWin95Debute = FALSE;
if((hLib = LoadLibraryEx("kernel32.dll", NULL, LOAD_WITH_ALTERED_SEARCH_PATH)) != NULL)
{
if(((FARPROC)NS_GetDiskFreeSpaceEx = GetProcAddress(hLib, "GetDiskFreeSpaceExA")) == NULL)
{
(FARPROC)NS_GetDiskFreeSpace = GetProcAddress(hLib, "GetDiskFreeSpaceA");
bIsWin95Debute = TRUE;
}
FreeLibrary(hLib);
}
return(bIsWin95Debute);
}
DWORD ParseCommandLine(LPSTR lpszCmdLine)
{
char szArgVBuf[MAX_BUF];
int i;
int iArgC;
i = 0;
iArgC = GetArgC(lpszCmdLine);
while(i < iArgC)
{
GetArgV(lpszCmdLine, i, szArgVBuf, sizeof(szArgVBuf));
if((lstrcmpi(szArgVBuf, "-ma") == 0) || (lstrcmpi(szArgVBuf, "/ma") == 0))
{
SetUninstallRunMode("AUTO");
}
else if((lstrcmpi(szArgVBuf, "-ms") == 0) || (lstrcmpi(szArgVBuf, "/ms") == 0))
{
SetUninstallRunMode("SILENT");
}
else if((lstrcmpi(szArgVBuf, "-ua") == 0) || (lstrcmpi(szArgVBuf, "/ua") == 0))
{
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szUserAgent, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-ss") == 0) || (lstrcmpi(szArgVBuf, "/ss") == 0))
// Show Shortcuts
{
SetUninstallRunMode("SHOWICONS");
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szDefaultComponent, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-hs") == 0) || (lstrcmpi(szArgVBuf, "/hs") == 0))
// Hide Shortcuts
{
SetUninstallRunMode("HIDEICONS");
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szDefaultComponent, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-sd") == 0) || (lstrcmpi(szArgVBuf, "/sd") == 0))
// SetDefault
{
SetUninstallRunMode("SETDEFAULT");
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szDefaultComponent, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-app") == 0) || (lstrcmpi(szArgVBuf, "/app") == 0))
// Set the App ID
{
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szClientAppID, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-app_path") == 0) || (lstrcmpi(szArgVBuf, "/app_path") == 0))
// Set the App Path
{
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szClientAppPath, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-reg_path") == 0) || (lstrcmpi(szArgVBuf, "/reg_path") == 0))
// Set the alternative Windows registry path
{
if((i + 1) < iArgC)
GetArgV(lpszCmdLine, ++i, ugUninstall.szWrMainKey, MAX_BUF);
}
else if((lstrcmpi(szArgVBuf, "-v") == 0) || (lstrcmpi(szArgVBuf, "/v") == 0))
// Set Verbose
{
ugUninstall.bVerbose = TRUE;
}
else if(!lstrcmpi(szArgVBuf, "-mmi") || !lstrcmpi(szArgVBuf, "/mmi"))
{
gbAllowMultipleInstalls = TRUE;
}
++i;
}
return(WIZ_OK);
}
int PreCheckInstance(char *szSection, char *szIniFile)
{
char szBuf[MAX_BUF];
char szKey[MAX_BUF];
char szName[MAX_BUF];
char szParameter[MAX_BUF];
char szPath[MAX_BUF];
char szFile[MAX_BUF];
char *ptrName = NULL;
HKEY hkeyRoot;
int iRv = WIZ_OK;
DWORD dwCounter = 0;
BOOL bContinue = TRUE;
char szExtraCmd[] = "Extra Cmd";
char szExtraCmdKey[MAX_BUF];
do
{
/* Read the win reg key path */
wsprintf(szExtraCmdKey, "%s%d Reg Key", szExtraCmd, dwCounter);
GetPrivateProfileString(szSection,
szExtraCmdKey,
"",
szKey,
sizeof(szKey),
szIniFile);
if(*szKey == '\0')
{
bContinue = FALSE;
continue;
}
/* Read the win reg root key */
wsprintf(szExtraCmdKey, "%s%d Reg Key Root", szExtraCmd, dwCounter);
GetPrivateProfileString(szSection,
szExtraCmdKey,
"",
szBuf,
sizeof(szBuf),
szIniFile);
if(*szBuf == '\0')
{
bContinue = FALSE;
continue;
}
hkeyRoot = ParseRootKey(szBuf);
/* Read the win reg name value */
wsprintf(szExtraCmdKey, "%s%d Reg Name", szExtraCmd, dwCounter);
GetPrivateProfileString(szSection,
szExtraCmdKey,
"",
szName,
sizeof(szName),
szIniFile);
if(*szName == '\0')
ptrName = NULL;
else
ptrName = szName;
/* Read the parameter to use for quitting the browser's turbo mode */
wsprintf(szExtraCmdKey, "%s%d Parameter", szExtraCmd, dwCounter);
GetPrivateProfileString(szSection,
szExtraCmdKey,
"",
szParameter,
sizeof(szParameter),
szIniFile);
/* Read the win reg key that contains the path to the browser */
GetWinReg(hkeyRoot, szKey, ptrName, szFile, sizeof(szFile));
ParsePath(szFile, szPath, sizeof(szPath), PP_PATH_ONLY);
/* Make sure the file exists */
if(FileExists(szFile))
{
// we've found a file, so let's execute it and stop. No need to look
// for other keys to parse. We only want to do that if the file is
// _not_ found. This is for when we change the name of the browser
// app file and still need to deal with locating it and calling
// -kill on it. ie.
// previous name: netscp6.exe
// new name: netscp.exe
// We only need to call one of them, not both.
bContinue = FALSE;
/* Run the file */
WinSpawn(szFile, szParameter, szPath, SW_HIDE, WS_WAIT);
/* Even though WinSpawn is suppose to wait for the app to finish, this
* does not really work that way for trying to quit the browser when
* it's in turbo mode, so we wait 2 secs for it to complete. */
Delay(2);
}
++dwCounter;
} while(bContinue);
return(iRv);
}
HRESULT GetCheckInstanceQuitMessage(char *aSection, char *aMessage, DWORD aMessageBufSize)
{
*aMessage = '\0';
GetPrivateProfileString(aSection, "Message", "", aMessage, aMessageBufSize, szFileIniUninstall);
return(WIZ_OK);
}
HRESULT ShowMessageAndQuitProcess(HWND aHwndFW, char *aMsgQuitProcess, char *aMsgWait, BOOL aCloseAllWindows, char *aProcessName, BOOL aForceQuit)
{
switch(ugUninstall.mode)
{
case NORMAL:
{
char msgTitleStr[MAX_BUF];
GetPrivateProfileString("Messages", "MB_ATTENTION_STR", "", msgTitleStr, sizeof(msgTitleStr), szFileIniUninstall);
MessageBox(hWndMain, aMsgQuitProcess, msgTitleStr, MB_ICONEXCLAMATION | MB_SETFOREGROUND);
break;
}
case AUTO:
{
/* Setup mode is AUTO. Show message, timeout, then auto close
* all the windows associated with the process */
ShowMessage(aMsgQuitProcess, TRUE);
Delay(5);
ShowMessage(aMsgQuitProcess, FALSE);
break;
}
case SILENT:
break;
}
if(aForceQuit)
{
assert(aProcessName);
FindAndKillProcess(aProcessName, KP_KILL_PROCESS);
}
else
{
assert(aHwndFW);
/* First try sending a WM_QUIT message to the window because this is the
* preferred way to quit a process. If it works, then we're good and
* CloseAllWindowsOfWindowHandle() will have nothing to do.
* If it doesn't work, then CloseAllWindowsOfWindowHandle will try to
* quit the process. */
SendMessageTimeout(aHwndFW, WM_QUIT, (WPARAM)1, (LPARAM)0, SMTO_NORMAL, WM_CLOSE_TIMEOUT_VALUE, NULL);
if(aCloseAllWindows)
CloseAllWindowsOfWindowHandle(aHwndFW, aMsgWait);
}
Delay(2);
return(WIZ_OK);
}
HRESULT CheckInstances()
{
char section[MAX_BUF];
char processName[MAX_BUF];
char className[MAX_BUF];
char windowName[MAX_BUF];
char closeAllWindows[MAX_BUF];
char message[MAX_BUF];
char msgTitleStr[MAX_BUF];
char prettyName[MAX_BUF];
char buf[MAX_BUF];
char msgWait[MAX_BUF];
int index;
int killProcessTries = 0;
int instanceOfFoundProcess = 0;
BOOL bContinue;
BOOL bCloseAllWindows;
HWND hwndFW;
LPSTR szWN;
LPSTR szCN;
DWORD dwRv0;
DWORD dwRv1;
GetPrivateProfileString("Messages", "MB_ATTENTION_STR", "", msgTitleStr, sizeof(msgTitleStr), szFileIniUninstall);
bContinue = TRUE;
index = -1;
while(bContinue)
{
*className = '\0';
*windowName = '\0';
*message = '\0';
wsprintf(section, "Check Instance%d", ++index);
GetPrivateProfileString(section, "Process Name", "", processName, sizeof(processName), szFileIniUninstall);
GetPrivateProfileString(section, "Pretty Name", "", prettyName, sizeof(prettyName), szFileIniUninstall);
GetPrivateProfileString(section, "Message Wait", "", msgWait, sizeof(msgWait), szFileIniUninstall);
GetPrivateProfileString(section, "Close All Process Windows", "", closeAllWindows, sizeof(closeAllWindows), szFileIniUninstall);
if(lstrcmpi(closeAllWindows, "TRUE") == 0)
bCloseAllWindows = TRUE;
else
bCloseAllWindows = FALSE;
if(instanceOfFoundProcess != index)
{
killProcessTries = 0;
instanceOfFoundProcess = index;
}
if((killProcessTries == 1) && (*processName != '\0'))
{
if(FindAndKillProcess(processName, KP_DO_NOT_KILL_PROCESS))
{
/* found process, display warning message, then kill process */
GetPrivateProfileString("Messages", "MSG_FORCE_QUIT_PROCESS", "", message, sizeof(message), szFileIniUninstall);
if(*message != '\0')
{
wsprintf(buf, message, prettyName, processName, prettyName, prettyName);
ShowMessageAndQuitProcess(NULL, buf, msgWait, bCloseAllWindows, processName, CI_FORCE_QUIT_PROCESS);
++killProcessTries;
instanceOfFoundProcess = index--;
}
}
continue;
}
else if(killProcessTries == MAX_KILL_PROCESS_RETRIES)
{
GetPrivateProfileString("Messages", "MSG_FORCE_QUIT_PROCESS_FAILED", "", message, sizeof(message), szFileIniUninstall);
if(*message != '\0')
{
wsprintf(buf, message, prettyName, processName, prettyName);
switch(ugUninstall.mode)
{
case NORMAL:
MessageBox(hWndMain, buf, msgTitleStr, MB_ICONEXCLAMATION | MB_SETFOREGROUND);
break;
case AUTO:
/* Setup mode is AUTO. Show message, timeout, then auto close
* all the windows associated with the process */
ShowMessage(buf, TRUE);
Delay(5);
ShowMessage(buf, FALSE);
break;
default:
break;
}
}
/* can't kill the process for some unknown reason. Stop the installation. */
return(TRUE);
}
else if((killProcessTries > 1) &&
(killProcessTries < MAX_KILL_PROCESS_RETRIES) &&
(*processName != '\0'))
{
if(FindAndKillProcess(processName, KP_KILL_PROCESS))
{
++killProcessTries;
instanceOfFoundProcess = index--;
}
continue;
}
dwRv0 = GetPrivateProfileString(section, "Class Name", "", className, sizeof(className), szFileIniUninstall);
dwRv1 = GetPrivateProfileString(section, "Window Name", "", windowName, sizeof(windowName), szFileIniUninstall);
if((dwRv0 == 0L) && (dwRv1 == 0L) && (*processName == '\0'))
{
bContinue = FALSE;
}
else if((*className != '\0') || (*windowName != '\0'))
{
if(*className == '\0')
szCN = NULL;
else
szCN = className;
if(*windowName == '\0')
szWN = NULL;
else
szWN = windowName;
/* If an instance is found, call PreCheckInstance first.
* PreCheckInstance will try to disable the browser's
* QuickLaunch feature. If the browser was in QuickLaunch
* mode without any windows open, PreCheckInstance would
* shutdown the browser, thus a second call to FindAndKillProcess
* is required to see if the process is still around. */
if((hwndFW = FindWindow(szCN, szWN)) != NULL)
PreCheckInstance(section, szFileIniUninstall);
if((hwndFW = FindWindow(szCN, szWN)) != NULL)
{
GetCheckInstanceQuitMessage(section, message, sizeof(message));
if(*message != '\0')
{
ShowMessageAndQuitProcess(hwndFW, message, msgWait, bCloseAllWindows, processName, CI_CLOSE_PROCESS);
++killProcessTries;
instanceOfFoundProcess = index--;
}
else
{
/* No message to display. Assume cancel because we can't allow user to continue */
return(TRUE);
}
}
}
if((killProcessTries == 0) && (*processName != '\0'))
{
/* The first attempt used FindWindow(), but sometimes the browser can be
* in a state where there's no window open and still not fully shutdown.
* In this case, we need to check for the process itself and kill it. */
if(FindAndKillProcess(processName, KP_DO_NOT_KILL_PROCESS))
{
GetCheckInstanceQuitMessage(section, message, sizeof(message));
if(*message != '\0')
{
ShowMessageAndQuitProcess(hwndFW, message, msgWait, bCloseAllWindows, processName, CI_FORCE_QUIT_PROCESS);
++killProcessTries;
instanceOfFoundProcess = index--;
}
else
{
/* No message to display. Assume cancel because we can't allow user to continue */
return(TRUE);
}
}
}
}
return(FALSE);
}
BOOL GetFileVersion(LPSTR szFile, verBlock *vbVersion)
{
UINT uLen;
UINT dwLen;
BOOL bRv;
DWORD dwHandle;
LPVOID lpData;
LPVOID lpBuffer;
VS_FIXEDFILEINFO *lpBuffer2;
vbVersion->ullMajor = 0;
vbVersion->ullMinor = 0;
vbVersion->ullRelease = 0;
vbVersion->ullBuild = 0;
if(FileExists(szFile))
{
bRv = TRUE;
dwLen = GetFileVersionInfoSize(szFile, &dwHandle);
lpData = (LPVOID)malloc(sizeof(long)*dwLen);
uLen = 0;
if(GetFileVersionInfo(szFile, dwHandle, dwLen, lpData) != 0)
{
if(VerQueryValue(lpData, "\\", &lpBuffer, &uLen) != 0)
{
lpBuffer2 = (VS_FIXEDFILEINFO *)lpBuffer;
vbVersion->ullMajor = HIWORD(lpBuffer2->dwFileVersionMS);
vbVersion->ullMinor = LOWORD(lpBuffer2->dwFileVersionMS);
vbVersion->ullRelease = HIWORD(lpBuffer2->dwFileVersionLS);
vbVersion->ullBuild = LOWORD(lpBuffer2->dwFileVersionLS);
}
}
free(lpData);
}
else
/* File does not exist */
bRv = FALSE;
return(bRv);
}
void TranslateVersionStr(LPSTR szVersion, verBlock *vbVersion)
{
LPSTR szNum1 = NULL;
LPSTR szNum2 = NULL;
LPSTR szNum3 = NULL;
LPSTR szNum4 = NULL;
szNum1 = strtok(szVersion, ".");
szNum2 = strtok(NULL, ".");
szNum3 = strtok(NULL, ".");
szNum4 = strtok(NULL, ".");
vbVersion->ullMajor = _atoi64(szNum1);
vbVersion->ullMinor = _atoi64(szNum2);
vbVersion->ullRelease = _atoi64(szNum3);
vbVersion->ullBuild = _atoi64(szNum4);
}
int CompareVersion(verBlock vbVersionOld, verBlock vbVersionNew)
{
if(vbVersionOld.ullMajor > vbVersionNew.ullMajor)
return(4);
else if(vbVersionOld.ullMajor < vbVersionNew.ullMajor)
return(-4);
if(vbVersionOld.ullMinor > vbVersionNew.ullMinor)
return(3);
else if(vbVersionOld.ullMinor < vbVersionNew.ullMinor)
return(-3);
if(vbVersionOld.ullRelease > vbVersionNew.ullRelease)
return(2);
else if(vbVersionOld.ullRelease < vbVersionNew.ullRelease)
return(-2);
if(vbVersionOld.ullBuild > vbVersionNew.ullBuild)
return(1);
else if(vbVersionOld.ullBuild < vbVersionNew.ullBuild)
return(-1);
/* the versions are all the same */
return(0);
}
BOOL VerifyRestrictedAccess(void)
{
char szSubKey[MAX_BUF];
char szSubKeyToTest[] = "Software\\%s - Test Key";
BOOL bRv;
DWORD dwDisp = 0;
DWORD dwErr;
HKEY hkRv;
wsprintf(szSubKey, szSubKeyToTest, ugUninstall.szCompanyName);
dwErr = RegCreateKeyEx(HKEY_LOCAL_MACHINE,
szSubKey,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
NULL,
&hkRv,
&dwDisp);
if(dwErr == ERROR_SUCCESS)
{
RegCloseKey(hkRv);
switch(dwDisp)
{
case REG_CREATED_NEW_KEY:
RegDeleteKey(HKEY_LOCAL_MACHINE, szSubKey);
break;
case REG_OPENED_EXISTING_KEY:
break;
}
bRv = FALSE;
}
else
bRv = TRUE;
return(bRv);
}
BOOL CheckLegacy(HWND hDlg)
{
char szSection[MAX_BUF];
char szFilename[MAX_BUF];
char szMessage[MAX_BUF];
char szIndex[MAX_BUF];
char szVersionNew[MAX_BUF];
char szDecryptedFilePath[MAX_BUF];
int iIndex;
BOOL bContinue;
DWORD dwRv0;
DWORD dwRv1;
verBlock vbVersionNew;
verBlock vbVersionOld;
bContinue = TRUE;
iIndex = -1;
while(bContinue)
{
ZeroMemory(szFilename, sizeof(szFilename));
ZeroMemory(szVersionNew, sizeof(szVersionNew));
ZeroMemory(szMessage, sizeof(szMessage));
++iIndex;
itoa(iIndex, szIndex, 10);
lstrcpy(szSection, "Legacy Check");
lstrcat(szSection, szIndex);
dwRv0 = GetPrivateProfileString(szSection, "Filename", "", szFilename, MAX_BUF, szFileIniUninstall);
dwRv1 = GetPrivateProfileString(szSection, "Version", "", szVersionNew, MAX_BUF, szFileIniUninstall);
if(dwRv0 == 0L)
{
bContinue = FALSE;
}
else if(*szFilename != '\0')
{
GetPrivateProfileString(szSection, "Message", "", szMessage, MAX_BUF, szFileIniUninstall);
if(*szMessage == '\0')
/* no message string input. so just continue with the next check */
continue;
DecryptString(szDecryptedFilePath, szFilename);
if((dwRv1 == 0L) || (*szVersionNew == '\0'))
{
if(FileExists(szDecryptedFilePath))
{
char szMBWarningStr[MAX_BUF];
if(!GetPrivateProfileString("Messages", "MB_WARNING_STR", "",
szMBWarningStr, sizeof(szMBWarningStr),
szFileIniUninstall))
lstrcpy(szMBWarningStr, "Warning");
if(MessageBox(hDlg, szMessage, szMBWarningStr, MB_ICONWARNING | MB_YESNO) == IDYES)
return(TRUE);
}
/* file does not exist, so it's okay. Continue with the next check */
continue;
}
if(GetFileVersion(szDecryptedFilePath, &vbVersionOld))
{
TranslateVersionStr(szVersionNew, &vbVersionNew);
if(CompareVersion(vbVersionOld, vbVersionNew) < 0)
{
char szMBWarningStr[MAX_BUF];
if(!GetPrivateProfileString("Messages", "MB_WARNING_STR", "",
szMBWarningStr, sizeof(szMBWarningStr),
szFileIniUninstall))
lstrcpy(szMBWarningStr, "Warning");
if(MessageBox(hDlg, szMessage, szMBWarningStr, MB_ICONWARNING | MB_YESNO) == IDYES)
return(TRUE);
}
}
}
}
/* returning TRUE means the user wants to go back and choose a different destination path
* returning FALSE means the user is ignoring the warning
*/
return(FALSE);
}
// This function looks up the path for the application being uninstalled, NOT the client
// app in a shared install environment.
HRESULT GetAppPath()
{
char szTmpAppPath[MAX_BUF];
char szKey[MAX_BUF];
BOOL bRestrictedAccess;
HKEY hkRoot;
if(*ugUninstall.szUserAgent != '\0')
{
hkRoot = ugUninstall.hWrMainRoot;
wsprintf(szKey, "%s\\%s\\Main", ugUninstall.szWrMainKey, ugUninstall.szUserAgent);
}
else
{
hkRoot = ugUninstall.hWrRoot;
strcpy(szKey, ugUninstall.szWrKey);
}
bRestrictedAccess = VerifyRestrictedAccess();
if(bRestrictedAccess)
hkRoot = HKEY_CURRENT_USER;
GetWinReg(hkRoot, szKey, "PathToExe", szTmpAppPath, sizeof(szTmpAppPath));
if(FileExists(szTmpAppPath))
lstrcpy(ugUninstall.szAppPath, szTmpAppPath);
GetWinReg(hkRoot, szKey, "Install Directory", ugUninstall.szInstallPath, sizeof(ugUninstall.szInstallPath));
return(0);
}
// For shared installs we maintain an app list, which is a glorified
// refcount of the apps which are using this version of the
// shared app. Processing the app list does two things:
//
// 1) Cleans up any registry entries for apps which are no longer
// installed. The app list includes a representative file for
// each app. If that file is not installed than the app is
// assumed to have been removed from the system.
// 2) Returns a count of the installed apps which depend upon this
// shared app. If this app is not shared, there will be no app
// list so this will always return 0.
DWORD CleanupAppList()
{
typedef struct siAppListStruct siAppList;
struct siAppListStruct
{
char szAppID[MAX_BUF];
siAppList *Next;
};
siAppList *siALHead;
siAppList *siALPrev;
siAppList *siALTmp;
char *szRv = NULL;
char szKey[MAX_BUF];
char szBuf[MAX_BUF];
char szDefaultApp[MAX_BUF_TINY];
BOOL bFoundDefaultApp;
HKEY hkResult;
DWORD dwIndex;
DWORD dwBufSize;
DWORD dwTotalSubKeys;
DWORD dwTotalValues;
DWORD dwAppCount;
FILETIME ftLastWriteFileTime;
GetPrivateProfileString("General", "Default AppID", "", szDefaultApp, MAX_BUF_TINY, szFileIniUninstall);
wsprintf(szKey, "%s\\%s\\AppList", ugUninstall.szWrMainKey, ugUninstall.szUserAgent);
if(RegOpenKeyEx(ugUninstall.hWrMainRoot, szKey, 0, KEY_READ, &hkResult) != ERROR_SUCCESS)
{
return(0);
}
siALHead = NULL;
dwAppCount = 0;
dwTotalSubKeys = 0;
dwTotalValues = 0;
RegQueryInfoKey(hkResult, NULL, NULL, NULL, &dwTotalSubKeys, NULL, NULL, &dwTotalValues, NULL, NULL, NULL, NULL);
for(dwIndex = 0; dwIndex < dwTotalSubKeys; dwIndex++)
{
dwBufSize = sizeof(szBuf);
if(RegEnumKeyEx(hkResult, dwIndex, szBuf, &dwBufSize, NULL, NULL, NULL, &ftLastWriteFileTime) == ERROR_SUCCESS)
{
if((siALTmp = NS_GlobalAlloc(sizeof(struct siAppListStruct))) == NULL)
exit(1);
lstrcpy(siALTmp->szAppID, szBuf);
siALTmp->Next = NULL;
if(siALHead == NULL)
siALHead = siALTmp; //New list, point the head at it.
else
siALPrev->Next = siALTmp;
siALPrev = siALTmp;
}
}
RegCloseKey(hkResult);
siALTmp = siALHead;
while(siALTmp != NULL)
{
if(lstrcmpi(siALTmp->szAppID, szDefaultApp) == 0)
bFoundDefaultApp = TRUE;
// ProcessAppItem returns the # of installations of the App
dwAppCount = dwAppCount + ProcessAppItem(ugUninstall.hWrMainRoot, szKey, siALTmp->szAppID);
siALPrev = siALTmp;
siALTmp = siALTmp->Next;
FreeMemory(&siALPrev);
}
if(dwAppCount == 0)
RegDeleteKey(ugUninstall.hWrMainRoot, szKey);
// If the Default App is not listed in AppList, then the shared app should not be in the
// Windows Add/Remove Programs list either.
if(!bFoundDefaultApp)
{
wsprintf(szKey, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\%s (%s)",ugUninstall.szProductName, ugUninstall.szUserAgent);
RegDeleteKey(ugUninstall.hWrMainRoot, szKey);
}
return(dwAppCount);
}
// Removes the app item if it is the app identified with the /app command-line option
// If an app item is not installed this removes it from the app list.
// Returns the # of installations of the app item found in the AppList.
DWORD ProcessAppItem(HKEY hkRootKey, LPSTR szKeyAppList, LPSTR szAppID)
{
DWORD dwIndex = 1;
const DWORD dwUpperLimit = 100;
BOOL bDefaultApp;
char szBuf[MAX_BUF];
char szKey[MAX_BUF];
char szName[MAX_BUF];
char szUninstKey[MAX_BUF];
GetPrivateProfileString("General", "Default AppID", "", szBuf, sizeof(szBuf), szFileIniUninstall);
bDefaultApp = (lstrcmpi(szAppID, szBuf) == 0);
wsprintf(szKey, "%s\\%s", szKeyAppList, szAppID);
if(lstrcmpi(szAppID, ugUninstall.szClientAppID) == 0) // This is the app that the user said
{ // on the command-line to uninstall.
if((ugUninstall.szClientAppPath[0] == '\0') || (bDefaultApp)) // If we didn't get an /app_path or this
{ // is the default app, just remove it.
RegDeleteKey(hkRootKey, szKey);
if(bDefaultApp)
{
wsprintf(szKey, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\GRE (%s)", ugUninstall.szUserAgent);
RegDeleteKey(hkRootKey, szKey);
}
return 0;
}
wsprintf(szName, "PathToExe%02d", dwIndex);
while(WinRegNameExists(hkRootKey, szKey, szName) && // Since we got an /app_path we need to cycle
(dwIndex < dwUpperLimit)) // through the list looking for that instance.
{
GetWinReg(hkRootKey, szKey, szName, szBuf, sizeof(szBuf));
if((lstrcmpi(szBuf, ugUninstall.szClientAppPath) == 0) || (!FileExists(szBuf)))
{
// RemovePathToExeXX() will delete the dwIndex Name and reorder
// PathToExeXX so there are no gaps.
RemovePathToExeXX(hkRootKey, szKey, dwIndex, dwUpperLimit);
}
else
wsprintf(szName, "PathToExe%02d", ++dwIndex);
}
if(--dwIndex == 0)
RegDeleteKey(hkRootKey, szKey);
return dwIndex;
}
if(bDefaultApp) // The Default App does not have an installed file registered. However, an entry in
{ // the Windows Add/Remove products list indicates that the Default App is installed
// and needs to be counted.
wsprintf(szUninstKey, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\%s (%s)",ugUninstall.szProductName, ugUninstall.szUserAgent);
GetWinReg(hkRootKey, szUninstKey, "UninstallString", szBuf, sizeof(szBuf));
if(szBuf[0] != '\0')
return 1;
}
dwIndex = 1;
wsprintf(szName, "PathToExe%02d", dwIndex);
while(WinRegNameExists(hkRootKey, szKey, szName) && // Count the entries which can be verified by the
(dwIndex < dwUpperLimit)) // existence of the file pointed to by PathToExeXX
{
GetWinReg(hkRootKey, szKey, szName, szBuf, sizeof(szBuf));
if(!FileExists(szBuf))
{
// RemovePathToExeXX() will delete the dwIndex Name and reorder
// PathToExeXX so there are no gaps.
RemovePathToExeXX(hkRootKey, szKey, dwIndex, dwUpperLimit);
}
else
wsprintf(szName, "PathToExe%02d", ++dwIndex);
}
if(--dwIndex == 0)
RegDeleteKey(hkRootKey, szKey);
return dwIndex;
}
void RemovePathToExeXX(HKEY hkRootKey, LPSTR szKey, DWORD dwIndex, const DWORD dwUpperLimit)
{
char szBuf[MAX_BUF_TINY];
char szName[MAX_BUF_TINY];
char szNextName[MAX_BUF_TINY];
wsprintf(szName, "PathToExe%02d", dwIndex++);
wsprintf(szNextName, "PathToExe%02d", dwIndex);
while(WinRegNameExists(hkRootKey, szKey, szNextName) && (dwIndex < dwUpperLimit))
{
GetWinReg(hkRootKey, szKey, szNextName, szBuf, sizeof(szBuf));
SetWinReg(hkRootKey, szKey, szName, REG_SZ, szBuf, lstrlen(szBuf));
lstrcpy(szName, szNextName);
wsprintf(szNextName, "PathToExe%02d", ++dwIndex);
}
DeleteWinRegValue(hkRootKey, szKey, szName);
}
/* Function: ReplacePrivateProfileStrCR()
*
* in: LPSTR aInputOutputStr: In/out string to containing "\\n" to replace.
*
* purpose: To parse for and replace "\\n" string with "\n". Strings stored
* in .ini files cannot contain "\n" because it's a key delimiter.
* To work around this limination, "\\n" chars can be used to
* represent '\n'. This function will look for "\\n" and replace
* them with a true "\n".
* If it encounters a string of "\\\\n" (which looks like '\\n'),
* then this function will strip out the extra '\\' and just show
* "\\n";
*/
void ReplacePrivateProfileStrCR(LPSTR aInputOutputStr)
{
LPSTR pSearch = aInputOutputStr;
LPSTR pSearchEnd = aInputOutputStr + lstrlen(aInputOutputStr);
LPSTR pPreviousSearch = NULL;
while (pSearch < pSearchEnd)
{
if (('\\' == *pSearch) || ('n' == *pSearch))
{
// found a '\\' or 'n'. check to see if the prefivous char is also a '\\'.
if (pPreviousSearch && ('\\' == *pPreviousSearch))
{
if ('n' == *pSearch)
*pSearch = '\n';
memmove(pPreviousSearch, pSearch, pSearchEnd-pSearch+1);
// our string is shorter now ...
pSearchEnd -= pSearch - pPreviousSearch;
}
}
pPreviousSearch = pSearch;
pSearch = CharNext(pSearch);
}
}
/* Function: IsPathWithinWindir()
* in: char *aTargetPath
* out: returns a BOOL type indicating whether the install path chosen
* by the user is within the %windir% or not.
* purpose: To see if aTargetPath is within the %windir% path.
*/
BOOL IsPathWithinWindir(char *aTargetPath)
{
char windir[MAX_PATH];
char targetPath[MAX_PATH];
HRESULT rv;
assert(aTargetPath);
rv = GetWindowsDirectory(windir, sizeof(windir));
assert(rv);
MozCopyStr(aTargetPath, targetPath, sizeof(targetPath));
RemoveBackSlash(targetPath);
CharUpperBuff(targetPath, sizeof(targetPath));
RemoveBackSlash(windir);
CharUpperBuff(windir, sizeof(windir));
if(strstr(targetPath, windir))
return(TRUE);
return(FALSE);
}
/* Function: VerifyAndDeleteInstallationFolder()
* in: none
* out: none
* purpose: To verify that the installation folder has been completely
* deleted, else prompt the user if they would like to delete
* the folder and it's left over contents.
* It will also check to make sure that the installation
* folder is not within the %windir% folder. If it is,
* it will warn the user and not perform the deletion of the
* installation folder.
*/
void VerifyAndDeleteInstallationFolder()
{
if(FileExists(ugUninstall.szInstallPath))
{
char buf[MAX_BUF];
char msg[MAX_BUF];
char msgBoxTitle[MAX_BUF];
char installationPath[MAX_BUF];
MozCopyStr(ugUninstall.szInstallPath, installationPath, sizeof(installationPath));
RemoveBackSlash(installationPath);
if(ugUninstall.mode == NORMAL)
{
GetPrivateProfileString("Messages", "MB_ATTENTION_STR", "", msgBoxTitle, sizeof(msgBoxTitle), szFileIniUninstall);
GetPrivateProfileString("Messages", "MSG_DELETE_INSTALLATION_PATH", "", buf, sizeof(buf), szFileIniUninstall);
ReplacePrivateProfileStrCR(buf);
_snprintf(msg, sizeof(msg), buf, installationPath);
msg[sizeof(msg) - 1] = '\0';
/* Prompt user on if they want the completely remove the
* installation folder */
if(MessageBox(hWndMain, msg, msgBoxTitle, MB_ICONQUESTION | MB_YESNO) == IDYES)
{
if(IsPathWithinWindir(installationPath))
{
GetPrivateProfileString("Messages", "MSG_INSTALLATION_PATH_WITHIN_WINDIR",
"", msg, sizeof(msg), szFileIniUninstall);
MessageBox(hWndMain, msg, NULL, MB_ICONEXCLAMATION);
return;
}
/* Remove the installation folder here */
AppendBackSlash(installationPath, sizeof(installationPath));
DirectoryRemove(installationPath, TRUE);
}
}
else
{
/* If uninstall is running in !NORMAL mode, assume user wants to
* completely delete the installation folder */
AppendBackSlash(installationPath, sizeof(installationPath));
DirectoryRemove(installationPath, TRUE);
}
}
}
HRESULT GetUninstallLogPath()
{
char szBuf[MAX_BUF];
char szLogFolder[MAX_BUF];
char szKey[MAX_BUF];
char szWindowsUninstallKey[MAX_BUF];
char szErrorMsg[MAX_BUF];
char szEUninstallLogFolder[MAX_BUF];
char szRootKey[MAX_BUF];
BOOL bRestrictedAccess;
HKEY hkRoot;
if(*ugUninstall.szUserAgent != '\0')
{
hkRoot = ugUninstall.hWrMainRoot;
lstrcpy(szKey, ugUninstall.szWrMainKey);
AppendBackSlash(szKey, sizeof(szKey));
lstrcat(szKey, ugUninstall.szUserAgent);
AppendBackSlash(szKey, sizeof(szKey));
lstrcat(szKey, "Uninstall");
}
else
{
hkRoot = ugUninstall.hWrRoot;
strcpy(szKey, ugUninstall.szWrKey);
}
bRestrictedAccess = VerifyRestrictedAccess();
if(bRestrictedAccess)
hkRoot = HKEY_CURRENT_USER;
GetWinReg(hkRoot, szKey, "Uninstall Log Folder", szLogFolder, sizeof(szLogFolder));
GetWinReg(hkRoot, szKey, "Description", ugUninstall.szUninstallKeyDescription, MAX_BUF);
if(!bRestrictedAccess)
{
lstrcpy(szWindowsUninstallKey, "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\");
lstrcat(szWindowsUninstallKey, ugUninstall.szUninstallKeyDescription);
GetWinReg(HKEY_LOCAL_MACHINE, szWindowsUninstallKey, "DisplayName", ugUninstall.szDescription, MAX_BUF);
}
/* if the DisplayName was not found in the windows registry,
* use the description read in from config.ini file */
if(*ugUninstall.szDescription == '\0')
lstrcpy(ugUninstall.szDescription, ugUninstall.szUninstallKeyDescription);
if(FileExists(szLogFolder) == FALSE)
{
if(GetPrivateProfileString("Messages", "ERROR_UNINSTALL_LOG_FOLDER", "",
szEUninstallLogFolder, sizeof(szEUninstallLogFolder),
szFileIniUninstall))
{
lstrcpy(szBuf, "\n\n ");
if(*szLogFolder == '\0')
{
GetStringRootKey(hkRoot, szRootKey, sizeof(szRootKey));
lstrcat(szBuf, szRootKey);
lstrcat(szBuf, "\\");
lstrcat(szBuf, szKey);
lstrcat(szBuf, "\\Uninstall Log Folder");
}
else
lstrcat(szBuf, szLogFolder);
lstrcat(szBuf, "\n");
wsprintf(szErrorMsg, szEUninstallLogFolder, szBuf);
PrintError(szErrorMsg, ERROR_CODE_SHOW);
}
return(1);
}
lstrcpy(ugUninstall.szLogPath, szLogFolder);
return(0);
}
HRESULT ParseUninstallIni()
{
char szBuf[MAX_BUF];
char szKeyCrypted[MAX_BUF];
char szShowDialog[MAX_BUF];
LOGFONT lf;
char fontName[MAX_BUF];
char fontSize[MAX_BUF];
char charSet[MAX_BUF];
lstrcpy(ugUninstall.szLogFilename, FILE_LOG_INSTALL);
GetPrivateProfileString("General", "Shared Install", "", szBuf, MAX_BUF, szFileIniUninstall);
ugUninstall.bSharedInst = (lstrcmpi(szBuf, "TRUE") == 0);
/* get install Mode information */
GetPrivateProfileString("General", "Run Mode", "", szBuf, MAX_BUF, szFileIniUninstall);
SetUninstallRunMode(szBuf);
if((ugUninstall.mode != SHOWICONS) && (ugUninstall.mode != HIDEICONS) && (ugUninstall.mode != SETDEFAULT))
if(CheckInstances())
return(1);
if(InitDlgUninstall(&diUninstall))
return(1);
/* get product name description */
GetPrivateProfileString("General", "Company Name", "", ugUninstall.szCompanyName, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("General", "Product Name", "", ugUninstall.szProductName, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("General", "Root Key", "", szBuf, MAX_BUF, szFileIniUninstall);
ugUninstall.hWrRoot = ParseRootKey(szBuf);
GetPrivateProfileString("General", "Key", "", szKeyCrypted, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("General", "Decrypt Key", "", szBuf, MAX_BUF, szFileIniUninstall);
if(lstrcmpi(szBuf, "TRUE") == 0)
{
DecryptString(ugUninstall.szWrKey, szKeyCrypted);
}
else
strcpy(ugUninstall.szWrKey, szKeyCrypted);
RemoveBackSlash(ugUninstall.szWrKey);
GetPrivateProfileString("General", "Main Root Key", "", szBuf, MAX_BUF, szFileIniUninstall);
ugUninstall.hWrMainRoot = ParseRootKey(szBuf);
GetPrivateProfileString("General", "Main Key", "", szKeyCrypted, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("General", "Decrypt Main Key", "", szBuf, MAX_BUF, szFileIniUninstall);
// If szWrMainKey is not null then it was set on the command-line and that is
// what we want to use.
if(*ugUninstall.szWrMainKey == '\0')
{
if(lstrcmpi(szBuf, "TRUE") == 0)
{
DecryptString(ugUninstall.szWrMainKey, szKeyCrypted);
}
else
strcpy(ugUninstall.szWrMainKey, szKeyCrypted);
}
RemoveBackSlash(ugUninstall.szWrMainKey);
GetPrivateProfileString("General", "Uninstall Filename", "", ugUninstall.szUninstallFilename, MAX_BUF, szFileIniUninstall);
/* Uninstall dialog */
GetPrivateProfileString("Dialog Uninstall", "Show Dialog", "", szShowDialog, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("Dialog Uninstall", "Title", "", diUninstall.szTitle, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("Dialog Uninstall", "Message0", "", diUninstall.szMessage0, MAX_BUF, szFileIniUninstall);
if(lstrcmpi(szShowDialog, "TRUE") == 0)
diUninstall.bShowDialog = TRUE;
switch(ugUninstall.mode)
{
case AUTO:
case SILENT:
case SHOWICONS:
case HIDEICONS:
case SETDEFAULT:
gdwWhatToDo = WTD_NO_TO_ALL;
diUninstall.bShowDialog = FALSE;
break;
}
/* get defined font */
GetPrivateProfileString("Dialog Uninstall", "FONTNAME", "", fontName, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("Dialog Uninstall", "FONTSIZE", "", fontSize, MAX_BUF, szFileIniUninstall);
GetPrivateProfileString("Dialog Uninstall", "CHARSET", "", charSet, MAX_BUF, szFileIniUninstall);
memset(&lf, 0, sizeof(lf));
strcpy(lf.lfFaceName, fontName);
lf.lfHeight = -MulDiv(atoi(fontSize), GetDeviceCaps(GetDC(NULL), LOGPIXELSY), 72);
lf.lfCharSet = atoi(charSet);
ugUninstall.definedFont = CreateFontIndirect( &lf );
GetAppPath();
if(ugUninstall.bSharedInst)
{
// Shared installations require a user agent. Without one there is no way to know
// what version of GRE to clean up so we can't do anything--including CleanupAppList()
// so don't change the order of the if statement.
// (We should add UI warning the user when a required UserAgent is not supplied.)
// CleanupAppList() returns the number of installations of apps dependant on this shared app.
if((ugUninstall.szUserAgent[0] == '\0') || (CleanupAppList() != 0))
ugUninstall.bUninstallFiles = FALSE;
}
return(GetUninstallLogPath());
}
void GetWinReg(HKEY hkRootKey, LPSTR szKey, LPSTR szName, LPSTR szReturnValue, DWORD dwReturnValueSize)
{
HKEY hkResult;
DWORD dwErr;
DWORD dwSize;
char szBuf[MAX_BUF];
ZeroMemory(szBuf, sizeof(szBuf));
ZeroMemory(szReturnValue, dwReturnValueSize);
if((dwErr = RegOpenKeyEx(hkRootKey, szKey, 0, KEY_READ, &hkResult)) == ERROR_SUCCESS)
{
dwSize = sizeof(szBuf);
dwErr = RegQueryValueEx(hkResult, szName, 0, NULL, szBuf, &dwSize);
if((*szBuf != '\0') && (dwErr == ERROR_SUCCESS))
ExpandEnvironmentStrings(szBuf, szReturnValue, dwReturnValueSize);
else
*szReturnValue = '\0';
RegCloseKey(hkResult);
}
}
void SetWinReg(HKEY hkRootKey, LPSTR szKey, LPSTR szName, DWORD dwType, LPSTR szData, DWORD dwSize)
{
HKEY hkResult;
DWORD dwErr;
DWORD dwDisp;
char szBuf[MAX_BUF];
memset(szBuf, '\0', MAX_BUF);
dwErr = RegOpenKeyEx(hkRootKey, szKey, 0, KEY_WRITE, &hkResult);
if(dwErr != ERROR_SUCCESS)
dwErr = RegCreateKeyEx(hkRootKey, szKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkResult, &dwDisp);
if(dwErr == ERROR_SUCCESS)
{
dwErr = RegSetValueEx(hkResult, szName, 0, dwType, szData, dwSize);
RegCloseKey(hkResult);
}
}
void SetWinRegNumValue(HKEY hkRootKey, LPSTR szKey, LPSTR szName, DWORD dwData)
{
HKEY hkResult;
DWORD dwErr;
DWORD dwDisp;
DWORD dwVal;
DWORD dwValSize;
dwVal = dwData;
dwValSize = sizeof(DWORD);
dwErr = RegOpenKeyEx(hkRootKey, szKey, 0, KEY_WRITE, &hkResult);
if(dwErr != ERROR_SUCCESS)
dwErr = RegCreateKeyEx(hkRootKey, szKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkResult, &dwDisp);
if(dwErr == ERROR_SUCCESS)
{
dwErr = RegSetValueEx(hkResult, szName, 0, REG_DWORD, (LPBYTE)&dwVal, dwValSize);
RegCloseKey(hkResult);
}
}
HRESULT DecryptVariable(LPSTR szVariable, DWORD dwVariableSize)
{
char szBuf[MAX_BUF];
char szKey[MAX_BUF];
char szName[MAX_BUF];
char szValue[MAX_BUF];
/* zero out the memory allocations */
ZeroMemory(szBuf, sizeof(szBuf));
ZeroMemory(szKey, sizeof(szKey));
ZeroMemory(szName, sizeof(szName));
ZeroMemory(szValue, sizeof(szValue));
if(lstrcmpi(szVariable, "PROGRAMFILESDIR") == 0)
{
/* parse for the "c:\Program Files" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion", "ProgramFilesDir", szVariable, dwVariableSize);
/* see if that failed */
if (*szVariable == 0)
{
char* backslash;
/* Use the parent of the windows directory */
GetWindowsDirectory(szVariable, dwVariableSize);
backslash = strrchr(szVariable, '\\');
if (backslash)
*backslash = 0;
}
}
else if(lstrcmpi(szVariable, "COMMONFILESDIR") == 0)
{
/* parse for the "c:\Program Files\Common Files" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion", "CommonFilesDir", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "MEDIAPATH") == 0)
{
/* parse for the "c:\Winnt40\Media" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion", "MediaPath", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "CONFIGPATH") == 0)
{
/* parse for the "c:\Windows\Config" directory */
if(ulOSType & OS_WIN9x)
{
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion", "ConfigPath", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "DEVICEPATH") == 0)
{
/* parse for the "c:\Winnt40\INF" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion", "DevicePath", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "COMMON_STARTUP") == 0)
{
/* parse for the "C:\WINNT40\Profiles\All Users\Start Menu\\Programs\\Startup" directory */
if(ulOSType & OS_WIN9x)
{
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Startup", szVariable, dwVariableSize);
}
else
{
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Common Startup", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "COMMON_PROGRAMS") == 0)
{
/* parse for the "C:\WINNT40\Profiles\All Users\Start Menu\\Programs" directory */
if(ulOSType & OS_WIN9x)
{
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Programs", szVariable, dwVariableSize);
}
else
{
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Common Programs", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "COMMON_STARTMENU") == 0)
{
/* parse for the "C:\WINNT40\Profiles\All Users\Start Menu" directory */
if(ulOSType & OS_WIN9x)
{
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Start Menu", szVariable, dwVariableSize);
}
else
{
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Common Start Menu", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "COMMON_DESKTOP") == 0)
{
/* parse for the "C:\WINNT40\Profiles\All Users\Desktop" directory */
if(ulOSType & OS_WIN9x)
{
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Desktop", szVariable, dwVariableSize);
}
else
{
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Common Desktop", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "PERSONAL_STARTUP") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Start Menu\Programs\Startup" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Startup", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_PROGRAMS") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Start Menu\Programs" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Programs", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_STARTMENU") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Start Menu" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Start Menu", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_DESKTOP") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Desktop" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Desktop", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_APPDATA") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Application Data" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "AppData", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_CACHE") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Temporary Internet Files" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Cache", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_COOKIES") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Cookies" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Cookies", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_FAVORITES") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Favorites" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Favorites", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_FONTS") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Fonts" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Fonts", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_HISTORY") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\History" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "History", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_NETHOOD") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\NetHood" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "NetHood", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_PERSONAL") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Personal" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Personal", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_PRINTHOOD") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\PrintHood" directory */
if(ulOSType & OS_NT)
{
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "PrintHood", szVariable, dwVariableSize);
}
}
else if(lstrcmpi(szVariable, "PERSONAL_RECENT") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\Recent" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Recent", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_SENDTO") == 0)
{
/* parse for the "C:\WINNT40\Profiles\%USERNAME%\SendTo" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "SendTo", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "PERSONAL_TEMPLATES") == 0)
{
/* parse for the "C:\WINNT40\ShellNew" directory */
GetWinReg(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders", "Templates", szVariable, dwVariableSize);
}
else if(lstrcmpi(szVariable, "WIZTEMP") == 0)
{
/* parse for the "c:\Temp" path */
lstrcpy(szVariable, szTempDir);
if(szVariable[strlen(szVariable) - 1] == '\\')
szVariable[strlen(szVariable) - 1] = '\0';
}
else if(lstrcmpi(szVariable, "TEMP") == 0)
{
/* parse for the "c:\Temp" path */
lstrcpy(szVariable, szOSTempDir);
if(szVariable[strlen(szVariable) - 1] == '\\')
szVariable[strlen(szVariable) - 1] = '\0';
}
else if(lstrcmpi(szVariable, "WINDISK") == 0)
{
/* Locate the drive that Windows is installed on, and only use the drive letter and the ':' character (C:). */
if(GetWindowsDirectory(szBuf, MAX_BUF) == 0)
{
char szEGetWinDirFailed[MAX_BUF];
if(GetPrivateProfileString("Messages", "ERROR_GET_WINDOWS_DIRECTORY_FAILED", "",
szEGetWinDirFailed, sizeof(szEGetWinDirFailed),
szFileIniUninstall))
PrintError(szEGetWinDirFailed, ERROR_CODE_SHOW);
exit(1);
}
else
{
/* Copy the first 2 characters from the path.. */
/* This is the drive letter and the ':' character for */
/* where Windows is installed at. */
memset(szVariable, '\0', MAX_BUF);
szVariable[0] = szBuf[0];
szVariable[1] = szBuf[1];
}
}
else if(lstrcmpi(szVariable, "WINDIR") == 0)
{
/* Locate the "c:\Windows" directory */
if(GetWindowsDirectory(szVariable, dwVariableSize) == 0)
{
char szEGetWinDirFailed[MAX_BUF];
if(GetPrivateProfileString("Messages", "ERROR_GET_WINDOWS_DIRECTORY_FAILED", "",
szEGetWinDirFailed, sizeof(szEGetWinDirFailed),
szFileIniUninstall))
PrintError(szEGetWinDirFailed, ERROR_CODE_SHOW);
exit(1);
}
}
else if(lstrcmpi(szVariable, "WINSYSDIR") == 0)
{
/* Locate the "c:\Windows\System" (for Win95/Win98) or "c:\Windows\System32" (for NT) directory */
if(GetSystemDirectory(szVariable, dwVariableSize) == 0)
{
char szEGetSysDirFailed[MAX_BUF];
if(GetPrivateProfileString("Messages", "ERROR_GET_SYSTEM_DIRECTORY_FAILED", "",
szEGetSysDirFailed, sizeof(szEGetSysDirFailed),
szFileIniUninstall))
PrintError(szEGetSysDirFailed, ERROR_CODE_SHOW);
exit(1);
}
}
else if(lstrcmpi(szVariable, "JRE BIN PATH") == 0)
{
/* Locate the "c:\Program Files\JavaSoft\JRE\1.3\Bin" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\javaw.Exe", NULL, szVariable, dwVariableSize);
if(*szVariable == '\0')
return(FALSE);
else
{
ParsePath(szVariable, szBuf, MAX_BUF, PP_PATH_ONLY);
lstrcpy(szVariable, szBuf);
}
}
else if(lstrcmpi(szVariable, "JRE PATH") == 0)
{
/* Locate the "c:\Program Files\JavaSoft\JRE\1.3" directory */
GetWinReg(HKEY_LOCAL_MACHINE, "Software\\JavaSoft\\Java Plug-in\\1.3", "JavaHome", szVariable, dwVariableSize);
if(*szVariable == '\0')
return(FALSE);
}
else if(lstrcmpi(szVariable, "UNINSTALL STARTUP PATH") == 0)
{
lstrcpy(szVariable, szUninstallDir);
}
else if(lstrcmpi(szVariable, "Product CurrentVersion") == 0)
{
char szKey[MAX_BUF];
lstrcpy(szKey, "Software\\");
lstrcat(szKey, ugUninstall.szCompanyName);
lstrcat(szKey, "\\");
lstrcat(szKey, ugUninstall.szProductName);
/* parse for the current Netscape WinReg key */
GetWinReg(HKEY_LOCAL_MACHINE, szKey, "CurrentVersion", szBuf, sizeof(szBuf));
if(*szBuf == '\0')
return(FALSE);
wsprintf(szVariable, "Software\\%s\\%s\\%s", ugUninstall.szCompanyName, ugUninstall.szProductName, szBuf);
}
else if(lstrcmpi(szVariable, "Product WinRegKey") == 0)
{
char szKey[MAX_BUF];
lstrcpy(szKey, "Software\\");
lstrcat(szKey, ugUninstall.szCompanyName);
lstrcat(szKey, "\\");
lstrcat(szKey, ugUninstall.szProductName);
wsprintf(szVariable, "Software\\%s\\%s", ugUninstall.szCompanyName, ugUninstall.szProductName);
}
else
return(FALSE);
return(TRUE);
}
HRESULT DecryptString(LPSTR szOutputStr, LPSTR szInputStr)
{
DWORD dwLenInputStr;
DWORD dwCounter;
DWORD dwVar;
DWORD dwPrepend;
char szBuf[MAX_BUF];
char szVariable[MAX_BUF];
char szPrepend[MAX_BUF];
char szAppend[MAX_BUF];
char szResultStr[MAX_BUF];
BOOL bFoundVar;
BOOL bBeginParse;
BOOL bDecrypted;
/* zero out the memory addresses */
memset(szBuf, '\0', MAX_BUF);
memset(szVariable, '\0', MAX_BUF);
memset(szPrepend, '\0', MAX_BUF);
memset(szAppend, '\0', MAX_BUF);
memset(szResultStr, '\0', MAX_BUF);
lstrcpy(szPrepend, szInputStr);
dwLenInputStr = lstrlen(szInputStr);
bBeginParse = FALSE;
bFoundVar = FALSE;
for(dwCounter = 0; dwCounter < dwLenInputStr; dwCounter++)
{
if((szInputStr[dwCounter] == ']') && bBeginParse)
break;
if(bBeginParse)
szVariable[dwVar++] = szInputStr[dwCounter];
if((szInputStr[dwCounter] == '[') && !bBeginParse)
{
dwVar = 0;
dwPrepend = dwCounter;
bBeginParse = TRUE;
}
}
if(dwCounter == dwLenInputStr)
/* did not find anything to expand. */
dwCounter = 0;
else
{
bFoundVar = TRUE;
++dwCounter;
}
if(bFoundVar)
{
lstrcpy(szAppend, &szInputStr[dwCounter]);
szPrepend[dwPrepend] = '\0';
bDecrypted = DecryptVariable(szVariable, MAX_BUF);
if(!bDecrypted)
{
/* Variable was not able to be decrypted. */
/* Leave the variable as it was read in by adding the '[' and ']' */
/* characters back to the variable. */
lstrcpy(szBuf, "[");
lstrcat(szBuf, szVariable);
lstrcat(szBuf, "]");
lstrcpy(szVariable, szBuf);
}
lstrcpy(szOutputStr, szPrepend);
lstrcat(szOutputStr, szVariable);
lstrcat(szOutputStr, szAppend);
if(bDecrypted)
{
DecryptString(szResultStr, szOutputStr);
lstrcpy(szOutputStr, szResultStr);
}
}
else
lstrcpy(szOutputStr, szInputStr);
return(TRUE);
}
HRESULT FileExists(LPSTR szFile)
{
DWORD rv;
if((rv = GetFileAttributes(szFile)) == -1)
{
return(FALSE);
}
else
{
return(rv);
}
}
BOOL WinRegNameExists(HKEY hkRootKey, LPSTR szKey, LPSTR szName)
{
HKEY hkResult;
DWORD dwErr;
DWORD dwSize;
char szBuf[MAX_BUF];
BOOL bNameExists = FALSE;
szBuf[0] = '\0';
if((dwErr = RegOpenKeyEx(hkRootKey, szKey, 0, KEY_READ, &hkResult)) == ERROR_SUCCESS)
{
dwSize = sizeof(szBuf);
dwErr = RegQueryValueEx(hkResult, szName, 0, NULL, szBuf, &dwSize);
if((*szBuf != '\0') && (dwErr == ERROR_SUCCESS))
bNameExists = TRUE;
RegCloseKey(hkResult);
}
return(bNameExists);
}
void DeleteWinRegValue(HKEY hkRootKey, LPSTR szKey, LPSTR szName)
{
HKEY hkResult;
DWORD dwErr;
dwErr = RegOpenKeyEx(hkRootKey, szKey, 0, KEY_WRITE, &hkResult);
if(dwErr == ERROR_SUCCESS)
{
if(*szName == '\0')
dwErr = RegDeleteValue(hkResult, NULL);
else
dwErr = RegDeleteValue(hkResult, szName);
RegCloseKey(hkResult);
}
}
void DeInitialize()
{
DeInitDlgUninstall(&diUninstall);
FreeMemory(&szTempDir);
FreeMemory(&szOSTempDir);
FreeMemory(&szUninstallDir);
FreeMemory(&szEGlobalAlloc);
FreeMemory(&szEDllLoad);
FreeMemory(&szEStringLoad);
FreeMemory(&szEStringNull);
FreeMemory(&szFileIniUninstall);
FreeMemory(&szFileIniDefaultsInfo);
}
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