wine/programs/regedit/edit.c

688 lines
19 KiB
C

/*
* 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 <shellapi.h>
#include <shlwapi.h>
#include "main.h"
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, 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, ...)
{
va_list ap;
INT result;
va_start(ap, resId);
result = vmessagebox(hwnd, buttons, titleId, resId, ap);
va_end(ap);
return result;
}
static void WINAPIV error_code_messagebox(HWND hwnd, unsigned int msg_id, ...)
{
va_list ap;
va_start(ap, msg_id);
vmessagebox(hwnd, MB_OK|MB_ICONERROR, IDS_ERROR, msg_id, ap);
va_end(ap);
}
static BOOL update_registry_value(HWND hwndDlg, struct edit_params *params)
{
HWND hwndValue;
unsigned int len;
WCHAR *buf;
LONG ret;
hwndValue = GetDlgItem(hwndDlg, IDC_VALUE_DATA);
len = GetWindowTextLengthW(hwndValue);
buf = malloc((len + 1) * sizeof(WCHAR));
len = GetWindowTextW(hwndValue, buf, len + 1);
free(params->data);
switch (params->type)
{
case REG_SZ:
case REG_EXPAND_SZ:
params->data = buf;
params->size = (len + 1) * sizeof(WCHAR);
break;
case REG_DWORD:
params->size = sizeof(DWORD);
params->data = malloc(params->size);
swscanf(buf, isDecimal ? L"%lu" : L"%lx", params->data);
free(buf);
break;
case REG_QWORD:
params->size = sizeof(UINT64);
params->data = malloc(params->size);
swscanf(buf, isDecimal ? L"%I64u" : L"%I64x", params->data);
free(buf);
break;
case REG_MULTI_SZ:
{
WCHAR *tmp = malloc((len + 2) * sizeof(WCHAR));
unsigned int i, j;
for (i = 0, j = 0; i < len; i++)
{
if (buf[i] == '\r' && buf[i + 1] == '\n')
{
if (tmp[j - 1]) tmp[j++] = 0;
i++;
}
else tmp[j++] = buf[i];
}
tmp[j++] = 0;
tmp[j++] = 0;
free(buf);
params->data = tmp;
params->size = j * sizeof(WCHAR);
break;
}
default: /* hex data types */
free(buf);
params->size = SendMessageW(hwndValue, HEM_GETDATA, 0, 0);
params->data = malloc(params->size);
SendMessageW(hwndValue, HEM_GETDATA, (WPARAM)params->size, (LPARAM)params->data);
}
ret = RegSetValueExW(params->hkey, params->value_name, 0, params->type, (BYTE *)params->data, params->size);
if (ret) error_code_messagebox(hwndDlg, IDS_SET_VALUE_FAILED);
return !ret;
}
static void set_dlgproc_value_name(HWND hwndDlg, struct edit_params *params)
{
if (params->value_name)
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, params->value_name);
else
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, g_pszDefaultValueName);
}
static INT_PTR CALLBACK modify_string_dlgproc(HWND hwndDlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
struct edit_params *params;
int ret = 0;
switch (msg)
{
case WM_INITDIALOG:
params = (struct edit_params *)lparam;
SetWindowLongPtrW(hwndDlg, DWLP_USER, (ULONG_PTR)params);
set_dlgproc_value_name(hwndDlg, params);
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, params->data);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wparam))
{
case IDOK:
params = (struct edit_params *)GetWindowLongPtrW(hwndDlg, DWLP_USER);
ret = update_registry_value(hwndDlg, params);
/* fall through */
case IDCANCEL:
EndDialog(hwndDlg, ret);
return TRUE;
}
}
return FALSE;
}
static void set_dword_edit_limit(HWND hwndDlg, DWORD type)
{
if (isDecimal)
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, EM_SETLIMITTEXT, type == REG_DWORD ? 10 : 20, 0);
else
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, EM_SETLIMITTEXT, type == REG_DWORD ? 8 : 16, 0);
}
static void change_dword_base(HWND hwndDlg, BOOL toHex, DWORD type)
{
WCHAR buf[64];
unsigned int len;
UINT64 val;
len = GetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, buf, ARRAY_SIZE(buf));
if (!len) SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, L"0");
if ((isDecimal && !toHex) || (!isDecimal && toHex))
return;
if (len)
{
swscanf(buf, toHex ? L"%I64u" : L"%I64x", &val);
swprintf(buf, ARRAY_SIZE(buf), toHex ? L"%I64x" : L"%I64u", val);
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, buf);
}
isDecimal = !toHex;
set_dword_edit_limit(hwndDlg, type);
}
static INT_PTR CALLBACK modify_dword_dlgproc(HWND hwndDlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
static struct edit_params *params;
WCHAR buf[64];
int ret = 0;
switch (msg)
{
case WM_INITDIALOG:
params = (struct edit_params *)lparam;
SetWindowLongPtrW(hwndDlg, DWLP_USER, (ULONG_PTR)params);
set_dlgproc_value_name(hwndDlg, params);
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, params->data);
CheckRadioButton(hwndDlg, IDC_DWORD_HEX, IDC_DWORD_DEC, IDC_DWORD_HEX);
isDecimal = FALSE;
if (params->type == REG_QWORD && LoadStringW(GetModuleHandleW(0), IDS_EDIT_QWORD, buf, ARRAY_SIZE(buf)))
SetWindowTextW(hwndDlg, buf);
set_dword_edit_limit(hwndDlg, params->type);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wparam))
{
case IDC_DWORD_HEX:
change_dword_base(hwndDlg, TRUE, params->type);
break;
case IDC_DWORD_DEC:
change_dword_base(hwndDlg, FALSE, params->type);
break;
case IDOK:
params = (struct edit_params *)GetWindowLongPtrW(hwndDlg, DWLP_USER);
if (!SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, EM_LINELENGTH, 0, 0))
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, L"0");
ret = update_registry_value(hwndDlg, params);
/* fall through */
case IDCANCEL:
EndDialog(hwndDlg, ret);
return TRUE;
}
}
return FALSE;
}
static INT_PTR CALLBACK modify_binary_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
struct edit_params *params;
int ret = 0;
switch(uMsg) {
case WM_INITDIALOG:
params = (struct edit_params *)lParam;
SetWindowLongPtrW(hwndDlg, DWLP_USER, (ULONG_PTR)params);
set_dlgproc_value_name(hwndDlg, params);
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);
ret = update_registry_value(hwndDlg, params);
/* fall through */
case IDCANCEL:
EndDialog(hwndDlg, ret);
return TRUE;
}
}
return FALSE;
}
static BOOL read_value(HWND hwnd, struct edit_params *params)
{
LONG ret;
WCHAR *buf = NULL;
if ((ret = RegQueryValueExW(params->hkey, params->value_name, NULL, &params->type, NULL, &params->size)))
{
if (ret == ERROR_FILE_NOT_FOUND && !params->value_name)
{
params->type = REG_SZ;
params->size = sizeof(WCHAR);
params->data = malloc(params->size);
*(WCHAR *)params->data = 0;
return TRUE;
}
goto error;
}
buf = malloc(params->size + sizeof(WCHAR));
if (RegQueryValueExW(params->hkey, params->value_name, NULL, &params->type, (BYTE *)buf, &params->size))
goto error;
if (params->size % sizeof(WCHAR) == 0)
buf[params->size / sizeof(WCHAR)] = 0;
params->data = buf;
return TRUE;
error:
error_code_messagebox(hwnd, IDS_BAD_VALUE, params->value_name);
free(buf);
params->data = NULL;
return FALSE;
}
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;
}
static void format_dlgproc_string(struct edit_params *params)
{
int i, j, count, len;
WCHAR *str, *buf;
if (params->type == REG_DWORD || params->type == REG_QWORD)
{
UINT64 value = *((UINT64 *)params->data);
params->data = realloc(params->data, 32 * sizeof(WCHAR));
swprintf(params->data, 32, params->type == REG_DWORD ? L"%lx" : L"%I64x", value);
return;
}
/* REG_MULTI_SZ */
len = params->size / sizeof(WCHAR);
str = params->data;
for (i = 0, count = 0; i < len; i++)
{
if (!str[i] && str[i + 1]) count++;
}
buf = malloc(params->size + (count * sizeof(WCHAR)));
for (i = 0, j = 0; i < len; i++)
{
if (!str[i] && str[i + 1])
{
buf[j++] = '\r';
buf[j++] = '\n';
}
else buf[j++] = str[i];
}
free(params->data);
str = NULL;
params->data = buf;
}
BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName)
{
struct edit_params params;
BOOL result = FALSE;
if (RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &params.hkey))
{
error_code_messagebox(hwnd, IDS_SET_VALUE_FAILED);
return FALSE;
}
params.value_name = valueName;
if (!read_value(hwnd, &params))
{
RegCloseKey(params.hkey);
return FALSE;
}
switch (params.type)
{
case REG_SZ:
case REG_EXPAND_SZ:
result = DialogBoxParamW(NULL, MAKEINTRESOURCEW(IDD_EDIT_STRING), hwnd,
modify_string_dlgproc, (LPARAM)&params);
break;
case REG_DWORD:
case REG_QWORD:
format_dlgproc_string(&params);
result = DialogBoxParamW(NULL, MAKEINTRESOURCEW(IDD_EDIT_DWORD), hwnd,
modify_dword_dlgproc, (LPARAM)&params);
break;
case REG_MULTI_SZ:
format_dlgproc_string(&params);
result = DialogBoxParamW(NULL, MAKEINTRESOURCEW(IDD_EDIT_MULTI_STRING), hwnd,
modify_string_dlgproc, (LPARAM)&params);
break;
default: /* hex data types */
result = DialogBoxParamW(NULL, MAKEINTRESOURCEW(IDD_EDIT_BINARY), hwnd,
modify_binary_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));
format_value_data(g_pChildWnd->hListWnd, index, params.type, params.data, params.size);
}
free(params.data);
RegCloseKey(params.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];
UINT64 value = 0;
DWORD size_bytes;
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;
}
switch (valueType)
{
case REG_DWORD:
case REG_DWORD_BIG_ENDIAN:
size_bytes = sizeof(DWORD);
break;
case REG_QWORD:
size_bytes = sizeof(UINT64);
break;
case REG_BINARY:
size_bytes = 0;
break;
case REG_MULTI_SZ:
size_bytes = 2 * sizeof(WCHAR);
break;
default: /* REG_NONE, REG_SZ, REG_EXPAND_SZ */
size_bytes = sizeof(WCHAR);
}
lRet = RegSetValueExW(hKey, valueName, 0, valueType, (BYTE *)&value, size_bytes);
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 *)&value, size_bytes, -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)
{
struct edit_params params;
BOOL result = FALSE;
if (!oldName) return FALSE;
if (!newName) return FALSE;
if (RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &params.hkey))
{
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
return FALSE;
}
if (!RegQueryValueExW(params.hkey, newName, NULL, NULL, NULL, NULL))
{
error_code_messagebox(hwnd, IDS_VALUE_EXISTS, oldName);
goto done;
}
params.value_name = oldName;
if (!read_value(hwnd, &params)) goto done;
if (RegSetValueExW(params.hkey, newName, 0, params.type, (BYTE *)params.data, params.size))
{
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
goto done;
}
if (RegDeleteValueW(params.hkey, oldName))
{
RegDeleteValueW(params.hkey, newName);
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
goto done;
}
result = TRUE;
done:
free(params.data);
RegCloseKey(params.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 = malloc((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);
free(parentPath);
}
return result;
}