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Sweden-Number/programs/regedit/edit.c

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/*
* Registry editing UI functions.
*
* Copyright (C) 2003 Dimitrie O. Paun
*
* 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
*/
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
#include <cderr.h>
#include <stdlib.h>
#include <shellapi.h>
#include <shlwapi.h>
#include "wine/heap.h"
#include "main.h"
static const WCHAR* editValueName;
static WCHAR* stringValueData;
static BOOL isDecimal;
struct edit_params
{
HKEY hkey;
const WCHAR *value_name;
DWORD type;
void *data;
DWORD size;
};
static int vmessagebox(HWND hwnd, int buttons, int titleId, int resId, __ms_va_list va_args)
{
WCHAR title[256];
WCHAR fmt[1024];
WCHAR *str;
int ret;
LoadStringW(hInst, titleId, title, ARRAY_SIZE(title));
LoadStringW(hInst, resId, fmt, ARRAY_SIZE(fmt));
FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
ret = MessageBoxW(hwnd, str, title, buttons);
LocalFree(str);
return ret;
}
int WINAPIV messagebox(HWND hwnd, int buttons, int titleId, int resId, ...)
{
__ms_va_list ap;
INT result;
__ms_va_start(ap, resId);
result = vmessagebox(hwnd, buttons, titleId, resId, ap);
__ms_va_end(ap);
return result;
}
static void WINAPIV error_code_messagebox(HWND hwnd, unsigned int msg_id, ...)
{
__ms_va_list ap;
__ms_va_start(ap, msg_id);
vmessagebox(hwnd, MB_OK|MB_ICONERROR, IDS_ERROR, msg_id, ap);
__ms_va_end(ap);
}
static BOOL change_dword_base(HWND hwndDlg, BOOL toHex)
{
static const WCHAR percent_u[] = {'%','u',0};
static const WCHAR percent_x[] = {'%','x',0};
WCHAR buf[128];
DWORD val;
if (!GetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, buf, ARRAY_SIZE(buf))) return FALSE;
if (!swscanf(buf, toHex ? percent_u : percent_x, &val)) return FALSE;
wsprintfW(buf, toHex ? percent_x : percent_u, val);
return SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, buf);
}
static INT_PTR CALLBACK modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HWND hwndValue;
int len;
switch(uMsg) {
case WM_INITDIALOG:
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, editValueName);
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, stringValueData);
CheckRadioButton(hwndDlg, IDC_DWORD_HEX, IDC_DWORD_DEC, IDC_DWORD_HEX);
isDecimal = FALSE;
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_DWORD_HEX:
if (isDecimal && change_dword_base(hwndDlg, TRUE)) isDecimal = FALSE;
break;
case IDC_DWORD_DEC:
if (!isDecimal && change_dword_base(hwndDlg, FALSE)) isDecimal = TRUE;
break;
case IDOK:
if ((hwndValue = GetDlgItem(hwndDlg, IDC_VALUE_DATA))) {
len = GetWindowTextLengthW(hwndValue);
stringValueData = heap_xrealloc(stringValueData, (len + 1) * sizeof(WCHAR));
if (!GetWindowTextW(hwndValue, stringValueData, len + 1))
*stringValueData = 0;
}
/* Fall through */
case IDCANCEL:
EndDialog(hwndDlg, wParam);
return TRUE;
}
}
return FALSE;
}
static INT_PTR CALLBACK bin_modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
struct edit_params *params;
BYTE *data;
LONG size;
LONG lRet;
switch(uMsg) {
case WM_INITDIALOG:
params = (struct edit_params *)lParam;
SetWindowLongPtrW(hwndDlg, DWLP_USER, (ULONG_PTR)params);
if (params->value_name)
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, params->value_name);
else
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, g_pszDefaultValueName);
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, HEM_SETDATA, (WPARAM)params->size, (LPARAM)params->data);
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, WM_SETFONT, (WPARAM) GetStockObject(ANSI_FIXED_FONT), TRUE);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
params = (struct edit_params *)GetWindowLongPtrW(hwndDlg, DWLP_USER);
size = SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, HEM_GETDATA, 0, 0);
data = heap_xalloc(size);
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, HEM_GETDATA, (WPARAM)size, (LPARAM)data);
lRet = RegSetValueExW(params->hkey, params->value_name, 0, params->type, data, size);
heap_free(data);
if (lRet == ERROR_SUCCESS)
EndDialog(hwndDlg, 1);
else
{
error_code_messagebox(hwndDlg, IDS_SET_VALUE_FAILED);
EndDialog(hwndDlg, 0);
}
return TRUE;
case IDCANCEL:
EndDialog(hwndDlg, 0);
return TRUE;
}
}
return FALSE;
}
static BOOL value_exists(HWND hwnd, HKEY hKey, const WCHAR *value_name)
{
return !RegQueryValueExW(hKey, value_name, NULL, NULL, NULL, NULL);
}
static LPWSTR read_value(HWND hwnd, HKEY hKey, LPCWSTR valueName, DWORD *lpType, LONG *len)
{
DWORD valueDataLen;
LPWSTR buffer = NULL;
LONG lRet;
lRet = RegQueryValueExW(hKey, valueName, NULL, lpType, NULL, &valueDataLen);
if (lRet) {
if (lRet == ERROR_FILE_NOT_FOUND && !valueName) { /* no default value here, make it up */
if (len) *len = 1;
if (lpType) *lpType = REG_SZ;
buffer = heap_xalloc(sizeof(WCHAR));
*buffer = '\0';
return buffer;
}
error_code_messagebox(hwnd, IDS_BAD_VALUE, valueName);
goto done;
}
if ( *lpType == REG_DWORD ) valueDataLen = sizeof(DWORD);
buffer = heap_xalloc(valueDataLen + sizeof(WCHAR));
lRet = RegQueryValueExW(hKey, valueName, 0, 0, (LPBYTE)buffer, &valueDataLen);
if (lRet) {
error_code_messagebox(hwnd, IDS_BAD_VALUE, valueName);
goto done;
}
if((valueDataLen % sizeof(WCHAR)) == 0)
buffer[valueDataLen / sizeof(WCHAR)] = 0;
if(len) *len = valueDataLen;
return buffer;
done:
heap_free(buffer);
return NULL;
}
BOOL CreateKey(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPWSTR keyName)
{
BOOL result = FALSE;
LONG lRet = ERROR_SUCCESS;
HKEY retKey = NULL;
WCHAR newKey[MAX_NEW_KEY_LEN - 4];
int keyNum;
HKEY hKey;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_CREATE_SUB_KEY, &hKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_CREATE_KEY_FAILED);
goto done;
}
if (!LoadStringW(GetModuleHandleW(0), IDS_NEWKEY, newKey, ARRAY_SIZE(newKey))) goto done;
/* try to find a name for the key being created (maximum = 100 attempts) */
for (keyNum = 1; keyNum < 100; keyNum++) {
wsprintfW(keyName, newKey, keyNum);
lRet = RegOpenKeyW(hKey, keyName, &retKey);
if (lRet) break;
RegCloseKey(retKey);
}
if (lRet == ERROR_SUCCESS) goto done;
lRet = RegCreateKeyW(hKey, keyName, &retKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_CREATE_KEY_FAILED);
goto done;
}
result = TRUE;
done:
RegCloseKey(retKey);
return result;
}
BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName)
{
BOOL result = FALSE;
DWORD type;
LONG lRet;
HKEY hKey;
LONG len;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_SET_VALUE_FAILED);
return FALSE;
}
editValueName = valueName ? valueName : g_pszDefaultValueName;
if(!(stringValueData = read_value(hwnd, hKey, valueName, &type, &len))) goto done;
if ( (type == REG_SZ) || (type == REG_EXPAND_SZ) ) {
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_STRING), hwnd, modify_dlgproc) == IDOK) {
lRet = RegSetValueExW(hKey, valueName, 0, type, (LPBYTE)stringValueData, (lstrlenW(stringValueData) + 1) * sizeof(WCHAR));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, IDS_SET_VALUE_FAILED);
}
} else if ( type == REG_DWORD ) {
static const WCHAR x[] = {'%','x',0};
DWORD value = *((DWORD*)stringValueData);
stringValueData = heap_xrealloc(stringValueData, 64);
wsprintfW(stringValueData, x, value);
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_DWORD), hwnd, modify_dlgproc) == IDOK) {
DWORD val;
CHAR* valueA = GetMultiByteString(stringValueData);
if (sscanf(valueA, isDecimal ? "%u" : "%x", &val)) {
lRet = RegSetValueExW(hKey, valueName, 0, type, (BYTE*)&val, sizeof(val));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, IDS_SET_VALUE_FAILED);
}
heap_free(valueA);
}
} else if ( type == REG_MULTI_SZ ) {
WCHAR char1 = '\r', char2 = '\n';
WCHAR *tmpValueData = NULL;
INT i, j, count;
for ( i = 0, count = 0; i < len - 1; i++)
if ( !stringValueData[i] && stringValueData[i + 1] )
count++;
tmpValueData = heap_xalloc((len + count) * sizeof(WCHAR));
for ( i = 0, j = 0; i < len - 1; i++)
{
if ( !stringValueData[i] && stringValueData[i + 1])
{
tmpValueData[j++] = char1;
tmpValueData[j++] = char2;
}
else
tmpValueData[j++] = stringValueData[i];
}
tmpValueData[j] = stringValueData[i];
heap_free(stringValueData);
stringValueData = tmpValueData;
tmpValueData = NULL;
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_MULTI_STRING), hwnd, modify_dlgproc) == IDOK)
{
len = lstrlenW( stringValueData );
tmpValueData = heap_xalloc((len + 2) * sizeof(WCHAR));
for ( i = 0, j = 0; i < len - 1; i++)
{
if ( stringValueData[i] == char1 && stringValueData[i + 1] == char2)
{
if ( tmpValueData[j - 1] != 0)
tmpValueData[j++] = 0;
i++;
}
else
tmpValueData[j++] = stringValueData[i];
}
tmpValueData[j++] = stringValueData[i];
tmpValueData[j++] = 0;
tmpValueData[j++] = 0;
heap_free(stringValueData);
stringValueData = tmpValueData;
lRet = RegSetValueExW(hKey, valueName, 0, type, (LPBYTE)stringValueData, j * sizeof(WCHAR));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, IDS_SET_VALUE_FAILED);
}
}
else /* hex data types */
{
struct edit_params params;
params.hkey = hKey;
params.value_name = valueName;
params.type = type;
params.data = stringValueData;
params.size = len;
result = DialogBoxParamW(NULL, MAKEINTRESOURCEW(IDD_EDIT_BINARY), hwnd,
bin_modify_dlgproc, (LPARAM)&params);
}
/* Update the listview item with the new data string */
if (result)
{
int index = SendMessageW(g_pChildWnd->hListWnd, LVM_GETNEXTITEM, -1,
MAKELPARAM(LVNI_FOCUSED | LVNI_SELECTED, 0));
heap_free(stringValueData);
stringValueData = read_value(hwnd, hKey, valueName, &type, &len);
format_value_data(g_pChildWnd->hListWnd, index, type, stringValueData, len);
}
done:
heap_free(stringValueData);
stringValueData = NULL;
RegCloseKey(hKey);
return result;
}
BOOL DeleteKey(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath)
{
BOOL result = FALSE;
LONG lRet;
HKEY hKey;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ|KEY_SET_VALUE, &hKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_DELETE_KEY_FAILED);
return FALSE;
}
if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_KEY_TITLE,
IDS_DELETE_KEY_TEXT) != IDYES)
goto done;
lRet = SHDeleteKeyW(hKeyRoot, keyPath);
if (lRet) {
error_code_messagebox(hwnd, IDS_BAD_KEY, keyPath);
goto done;
}
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL DeleteValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName)
{
BOOL result = FALSE;
LONG lRet;
HKEY hKey;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet) return FALSE;
lRet = RegDeleteValueW(hKey, valueName);
if (lRet && valueName) {
error_code_messagebox(hwnd, IDS_BAD_VALUE, valueName);
}
if (lRet) goto done;
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL CreateValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, DWORD valueType, LPWSTR valueName)
{
LONG lRet = ERROR_SUCCESS;
WCHAR newValue[256];
DWORD valueDword = 0;
BOOL result = FALSE;
int valueNum, index;
HKEY hKey;
LVITEMW item;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_CREATE_VALUE_FAILED);
return FALSE;
}
if (!LoadStringW(GetModuleHandleW(0), IDS_NEWVALUE, newValue, ARRAY_SIZE(newValue))) goto done;
/* try to find a name for the value being created (maximum = 100 attempts) */
for (valueNum = 1; valueNum < 100; valueNum++) {
wsprintfW(valueName, newValue, valueNum);
lRet = RegQueryValueExW(hKey, valueName, 0, 0, 0, 0);
if (lRet == ERROR_FILE_NOT_FOUND) break;
}
if (lRet != ERROR_FILE_NOT_FOUND) {
error_code_messagebox(hwnd, IDS_CREATE_VALUE_FAILED);
goto done;
}
lRet = RegSetValueExW(hKey, valueName, 0, valueType, (BYTE*)&valueDword, sizeof(DWORD));
if (lRet) {
error_code_messagebox(hwnd, IDS_CREATE_VALUE_FAILED);
goto done;
}
/* Add the new item to the listview */
index = AddEntryToList(g_pChildWnd->hListWnd, valueName, valueType,
(BYTE *)&valueDword, sizeof(DWORD), -1);
item.state = LVIS_FOCUSED | LVIS_SELECTED;
item.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
SendMessageW(g_pChildWnd->hListWnd, LVM_SETITEMSTATE, index, (LPARAM)&item);
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL RenameValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR oldName, LPCWSTR newName)
{
LPWSTR value = NULL;
DWORD type;
LONG len, lRet;
BOOL result = FALSE;
HKEY hKey;
if (!oldName) return FALSE;
if (!newName) return FALSE;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
return FALSE;
}
if (value_exists(hwnd, hKey, newName)) {
error_code_messagebox(hwnd, IDS_VALUE_EXISTS, oldName);
goto done;
}
value = read_value(hwnd, hKey, oldName, &type, &len);
if(!value) goto done;
lRet = RegSetValueExW(hKey, newName, 0, type, (BYTE*)value, len);
if (lRet) {
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
goto done;
}
lRet = RegDeleteValueW(hKey, oldName);
if (lRet) {
RegDeleteValueW(hKey, newName);
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
goto done;
}
result = TRUE;
done:
heap_free(value);
RegCloseKey(hKey);
return result;
}
BOOL RenameKey(HWND hwnd, HKEY hRootKey, LPCWSTR keyPath, LPCWSTR newName)
{
LPWSTR parentPath = 0;
LPCWSTR srcSubKey = 0;
HKEY parentKey = 0;
HKEY destKey = 0;
BOOL result = FALSE;
LONG lRet;
DWORD disposition;
if (!keyPath || !newName) return FALSE;
if (!wcsrchr(keyPath, '\\')) {
parentKey = hRootKey;
srcSubKey = keyPath;
} else {
LPWSTR srcSubKey_copy;
parentPath = heap_xalloc((lstrlenW(keyPath) + 1) * sizeof(WCHAR));
lstrcpyW(parentPath, keyPath);
srcSubKey_copy = wcsrchr(parentPath, '\\');
*srcSubKey_copy = 0;
srcSubKey = srcSubKey_copy + 1;
lRet = RegOpenKeyExW(hRootKey, parentPath, 0, KEY_READ | KEY_CREATE_SUB_KEY, &parentKey);
if (lRet) {
error_code_messagebox(hwnd, IDS_RENAME_KEY_FAILED);
goto done;
}
}
/* The following fails if the old name is the same as the new name. */
if (!lstrcmpW(srcSubKey, newName)) goto done;
lRet = RegCreateKeyExW(parentKey, newName, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_WRITE, NULL /* FIXME */, &destKey, &disposition);
if (disposition == REG_OPENED_EXISTING_KEY)
lRet = ERROR_FILE_EXISTS;
if (lRet) {
error_code_messagebox(hwnd, IDS_KEY_EXISTS, srcSubKey);
goto done;
}
/* FIXME: SHCopyKey does not copy the security attributes */
lRet = SHCopyKeyW(parentKey, srcSubKey, destKey, 0);
if (lRet) {
RegCloseKey(destKey);
RegDeleteKeyW(parentKey, newName);
error_code_messagebox(hwnd, IDS_RENAME_KEY_FAILED);
goto done;
}
lRet = SHDeleteKeyW(hRootKey, keyPath);
if (lRet) {
error_code_messagebox(hwnd, IDS_RENAME_KEY_FAILED);
goto done;
}
result = TRUE;
done:
RegCloseKey(destKey);
if (parentKey) {
RegCloseKey(parentKey);
heap_free(parentPath);
}
return result;
}
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