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wine/programs/uninstaller/main.c
Eric Pouech bae8ef750a uninstaller: Enable compilation with long types. 
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2022-02-07 10:59:31 +01:00

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/*
* Uninstaller
*
* Copyright 2000 Andreas Mohr
* Copyright 2004 Hannu Valtonen
* Copyright 2005 Jonathan Ernst
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include <string.h>
#include <windows.h>
#include <commctrl.h>
#include <shlwapi.h>
#include "resource.h"
#include "regstr.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(uninstaller);
extern void WINAPI Control_RunDLL(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow);
typedef struct {
HKEY root;
WCHAR *key;
WCHAR *descr;
WCHAR *command;
int active;
} uninst_entry;
static uninst_entry *entries = NULL;
static unsigned int numentries = 0;
static int oldsel = -1;
static WCHAR *sFilter;
static int FetchUninstallInformation(void);
static void UninstallProgram(void);
static const WCHAR PathUninstallW[] = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
static void output_writeconsole(const WCHAR *str, DWORD len)
{
DWORD written, ret, lenA;
char *strA;
ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, len, &written, NULL);
if (ret) return;
/* WriteConsole fails if its output is redirected to a file.
* If this occurs, we should use an OEM codepage and call WriteFile.
*/
lenA = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, len, NULL, 0, NULL, NULL);
strA = HeapAlloc(GetProcessHeap(), 0, lenA);
if (strA)
{
WideCharToMultiByte(GetConsoleOutputCP(), 0, str, len, strA, lenA, NULL, NULL);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), strA, lenA, &written, FALSE);
HeapFree(GetProcessHeap(), 0, strA);
}
}
static void output_formatstring(const WCHAR *fmt, va_list va_args)
{
WCHAR *str;
DWORD len;
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (LPWSTR)&str, 0, &va_args);
if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
{
WINE_FIXME("Could not format string: le=%lu, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
output_writeconsole(str, len);
LocalFree(str);
}
static void WINAPIV output_message(unsigned int id, ...)
{
WCHAR fmt[1024];
va_list va_args;
if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, ARRAY_SIZE(fmt)))
{
WINE_FIXME("LoadString failed with %ld\n", GetLastError());
return;
}
va_start(va_args, id);
output_formatstring(fmt, va_args);
va_end(va_args);
}
static void WINAPIV output_array(const WCHAR *fmt, ...)
{
va_list va_args;
va_start(va_args, fmt);
output_formatstring(fmt, va_args);
va_end(va_args);
}
/**
* Used to output program list when used with --list
*/
static void ListUninstallPrograms(void)
{
unsigned int i;
FetchUninstallInformation();
for (i=0; i < numentries; i++)
output_array(L"%1|||%2\n", entries[i].key, entries[i].descr);
}
static void RemoveSpecificProgram(WCHAR *nameW)
{
unsigned int i;
FetchUninstallInformation();
for (i=0; i < numentries; i++)
{
if (CompareStringW(GetThreadLocale(), NORM_IGNORECASE, entries[i].key, -1, nameW, -1) == CSTR_EQUAL)
{
entries[i].active++;
break;
}
}
if (i < numentries)
UninstallProgram();
else
output_message(STRING_NO_APP_MATCH, nameW);
}
int __cdecl wmain(int argc, WCHAR *argv[])
{
LPCWSTR token = NULL;
int i = 1;
BOOL is_wow64;
if (IsWow64Process( GetCurrentProcess(), &is_wow64 ) && is_wow64)
{
STARTUPINFOW si;
PROCESS_INFORMATION pi;
WCHAR filename[MAX_PATH];
void *redir;
DWORD exit_code;
memset( &si, 0, sizeof(si) );
si.cb = sizeof(si);
GetSystemDirectoryW( filename, MAX_PATH );
wcscat( filename, L"\\uninstaller.exe" );
Wow64DisableWow64FsRedirection( &redir );
if (CreateProcessW( filename, GetCommandLineW(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi ))
{
WINE_TRACE( "restarting %s\n", wine_dbgstr_w(filename) );
WaitForSingleObject( pi.hProcess, INFINITE );
GetExitCodeProcess( pi.hProcess, &exit_code );
ExitProcess( exit_code );
}
else WINE_ERR( "failed to restart 64-bit %s, err %ld\n", wine_dbgstr_w(filename), GetLastError() );
Wow64RevertWow64FsRedirection( redir );
}
InitCommonControls();
while( i<argc )
{
token = argv[i++];
if( !lstrcmpW( token, L"--help" ) )
{
output_message(STRING_HEADER);
output_message(STRING_USAGE);
return 0;
}
else if( !lstrcmpW( token, L"--list" ) )
{
ListUninstallPrograms();
return 0;
}
else if( !lstrcmpW( token, L"--remove" ) )
{
if( i >= argc )
{
output_message(STRING_PARAMETER_REQUIRED);
return 1;
}
RemoveSpecificProgram( argv[i++] );
return 0;
}
else
{
output_message(STRING_INVALID_OPTION, token);
return 1;
}
}
/* Start the GUI control panel */
Control_RunDLL(GetDesktopWindow(), 0, "appwiz.cpl", SW_SHOW);
return 1;
}
/**
* Used to sort entries by name.
*/
static int __cdecl cmp_by_name(const void *a, const void *b)
{
return lstrcmpiW(((const uninst_entry *)a)->descr, ((const uninst_entry *)b)->descr);
}
/**
* Fetch information from the uninstall key.
*/
static int FetchFromRootKey(HKEY root)
{
HKEY hkeyApp;
int i;
DWORD sizeOfSubKeyName, displen, uninstlen, value, type, size;
WCHAR subKeyName[256];
sizeOfSubKeyName = 255;
for (i=0; RegEnumKeyExW( root, i, subKeyName, &sizeOfSubKeyName, NULL, NULL, NULL, NULL ) != ERROR_NO_MORE_ITEMS; ++i)
{
RegOpenKeyExW(root, subKeyName, 0, KEY_READ, &hkeyApp);
size = sizeof(value);
if (!RegQueryValueExW(hkeyApp, L"SystemComponent", NULL, &type, (BYTE *)&value, &size) &&
type == REG_DWORD && value == 1)
{
RegCloseKey(hkeyApp);
sizeOfSubKeyName = 255;
continue;
}
if (!RegQueryValueExW(hkeyApp, L"DisplayName", NULL, NULL, NULL, &displen))
{
WCHAR *command;
size = sizeof(value);
if (!RegQueryValueExW(hkeyApp, L"WindowsInstaller", NULL, &type, (BYTE *)&value, &size) &&
type == REG_DWORD && value == 1)
{
command = HeapAlloc(GetProcessHeap(), 0,
(lstrlenW(L"msiexec /x%s") + lstrlenW(subKeyName)) * sizeof(WCHAR));
wsprintfW(command, L"msiexec /x%s", subKeyName);
}
else if (!RegQueryValueExW(hkeyApp, L"UninstallString", NULL, NULL, NULL, &uninstlen))
{
command = HeapAlloc(GetProcessHeap(), 0, uninstlen);
RegQueryValueExW(hkeyApp, L"UninstallString", 0, 0, (BYTE *)command, &uninstlen);
}
else
{
RegCloseKey(hkeyApp);
sizeOfSubKeyName = 255;
continue;
}
numentries++;
entries = HeapReAlloc(GetProcessHeap(), 0, entries, numentries*sizeof(uninst_entry));
entries[numentries-1].root = root;
entries[numentries-1].key = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(subKeyName)+1)*sizeof(WCHAR));
lstrcpyW(entries[numentries-1].key, subKeyName);
entries[numentries-1].descr = HeapAlloc(GetProcessHeap(), 0, displen);
RegQueryValueExW(hkeyApp, L"DisplayName", 0, 0, (BYTE *)entries[numentries-1].descr, &displen);
entries[numentries-1].command = command;
entries[numentries-1].active = 0;
WINE_TRACE("allocated entry #%d: %s (%s), %s\n",
numentries, wine_dbgstr_w(entries[numentries-1].key), wine_dbgstr_w(entries[numentries-1].descr), wine_dbgstr_w(entries[numentries-1].command));
if(sFilter != NULL && StrStrIW(entries[numentries-1].descr,sFilter)==NULL)
numentries--;
}
RegCloseKey(hkeyApp);
sizeOfSubKeyName = 255;
}
return 1;
}
static int FetchUninstallInformation(void)
{
static const BOOL is_64bit = sizeof(void *) > sizeof(int);
int rc = 0;
HKEY root;
numentries = 0;
oldsel = -1;
if (!entries)
entries = HeapAlloc(GetProcessHeap(), 0, sizeof(uninst_entry));
if (!RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
if (is_64bit &&
!RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ|KEY_WOW64_32KEY, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
if (!RegOpenKeyExW(HKEY_CURRENT_USER, PathUninstallW, 0, KEY_READ, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
qsort(entries, numentries, sizeof(uninst_entry), cmp_by_name);
return rc;
}
static void UninstallProgram(void)
{
unsigned int i;
WCHAR errormsg[1024];
BOOL res;
STARTUPINFOW si;
PROCESS_INFORMATION info;
DWORD exit_code;
HKEY hkey;
for (i=0; i < numentries; i++)
{
if (!(entries[i].active)) /* don't uninstall this one */
continue;
WINE_TRACE("uninstalling %s\n", wine_dbgstr_w(entries[i].descr));
memset(&si, 0, sizeof(STARTUPINFOW));
si.cb = sizeof(STARTUPINFOW);
si.wShowWindow = SW_NORMAL;
res = CreateProcessW(NULL, entries[i].command, NULL, NULL, FALSE, 0, NULL, NULL, &si, &info);
if (res)
{ /* wait for the process to exit */
WaitForSingleObject(info.hProcess, INFINITE);
res = GetExitCodeProcess(info.hProcess, &exit_code);
WINE_TRACE("%d: %08lx\n", res, exit_code);
}
else
{
WCHAR sAppName[MAX_STRING_LEN];
WCHAR sUninstallFailed[MAX_STRING_LEN];
HINSTANCE hInst = GetModuleHandleW(0);
LoadStringW(hInst, IDS_APPNAME, sAppName, ARRAY_SIZE(sAppName));
LoadStringW(hInst, IDS_UNINSTALLFAILED, sUninstallFailed, ARRAY_SIZE(sUninstallFailed));
wsprintfW(errormsg, sUninstallFailed, entries[i].command);
if(MessageBoxW(0, errormsg, sAppName, MB_YESNO | MB_ICONQUESTION)==IDYES)
{
/* delete the application's uninstall entry */
RegOpenKeyExW(entries[i].root, PathUninstallW, 0, KEY_READ, &hkey);
RegDeleteKeyW(hkey, entries[i].key);
RegCloseKey(hkey);
}
}
}
WINE_TRACE("finished uninstall phase.\n");
}
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