wine/programs/uninstaller/main.c

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/*
* Uninstaller
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*
* 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 <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 int cmp_by_name(const void *a, const void *b);
static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
static const WCHAR PathUninstallW[] = {
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'U','n','i','n','s','t','a','l','l',0 };
static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l','S','t','r','i','n','g',0};
static const WCHAR WindowsInstallerW[] = {'W','i','n','d','o','w','s','I','n','s','t','a','l','l','e','r',0};
static const WCHAR SystemComponentW[] = {'S','y','s','t','e','m','C','o','m','p','o','n','e','n','t',0};
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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, __ms_va_list va_args)
{
WCHAR *str;
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DWORD len;
SetLastError(NO_ERROR);
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (LPWSTR)&str, 0, &va_args);
if (len == 0 && GetLastError() != NO_ERROR)
{
WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
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output_writeconsole(str, len);
LocalFree(str);
}
static void WINAPIV output_message(unsigned int id, ...)
{
WCHAR fmt[1024];
__ms_va_list va_args;
if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, sizeof(fmt)/sizeof(fmt[0])))
{
WINE_FIXME("LoadString failed with %d\n", GetLastError());
return;
}
__ms_va_start(va_args, id);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
}
static void WINAPIV output_array(WCHAR *fmt, ...)
{
__ms_va_list va_args;
__ms_va_start(va_args, fmt);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
}
/**
* Used to output program list when used with --list
*/
static void ListUninstallPrograms(void)
{
unsigned int i;
static WCHAR fmtW[] = {'%','1','|','|','|','%','2','\n',0};
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FetchUninstallInformation();
for (i=0; i < numentries; i++)
output_array(fmtW, 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 wmain(int argc, WCHAR *argv[])
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{
LPCWSTR token = NULL;
static const WCHAR helpW[] = { '-','-','h','e','l','p',0 };
static const WCHAR listW[] = { '-','-','l','i','s','t',0 };
static const WCHAR removeW[] = { '-','-','r','e','m','o','v','e',0 };
int i = 1;
while( i<argc )
{
token = argv[i++];
if( !lstrcmpW( token, helpW ) )
{
output_message(STRING_HEADER);
output_message(STRING_USAGE);
return 0;
}
else if( !lstrcmpW( token, listW ) )
{
ListUninstallPrograms();
return 0;
}
else if( !lstrcmpW( token, removeW ) )
{
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 cmp_by_name(const void *a, const void *b)
{
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return lstrcmpiW(((const uninst_entry *)a)->descr, ((const uninst_entry *)b)->descr);
}
/**
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* 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, SystemComponentW, NULL, &type, (LPBYTE)&value, &size) &&
type == REG_DWORD && value == 1)
{
RegCloseKey(hkeyApp);
sizeOfSubKeyName = 255;
continue;
}
if (!RegQueryValueExW(hkeyApp, DisplayNameW, NULL, NULL, NULL, &displen))
{
WCHAR *command;
size = sizeof(value);
if (!RegQueryValueExW(hkeyApp, WindowsInstallerW, NULL, &type, (LPBYTE)&value, &size) &&
type == REG_DWORD && value == 1)
{
static const WCHAR fmtW[] = {'m','s','i','e','x','e','c',' ','/','x','%','s',0};
command = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(fmtW) + lstrlenW(subKeyName)) * sizeof(WCHAR));
wsprintfW(command, fmtW, subKeyName);
}
else if (!RegQueryValueExW(hkeyApp, UninstallCommandlineW, NULL, NULL, NULL, &uninstlen))
{
command = HeapAlloc(GetProcessHeap(), 0, uninstlen);
RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, (LPBYTE)command, &uninstlen);
}
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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, DisplayNameW, 0, 0, (LPBYTE)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: %08x\n", res, exit_code);
}
else
{
WCHAR sAppName[MAX_STRING_LEN];
WCHAR sUninstallFailed[MAX_STRING_LEN];
HINSTANCE hInst = GetModuleHandleW(0);
LoadStringW(hInst, IDS_APPNAME, sAppName, sizeof(sAppName)/sizeof(WCHAR));
LoadStringW(hInst, IDS_UNINSTALLFAILED, sUninstallFailed, sizeof(sUninstallFailed)/sizeof(WCHAR));
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");
}