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/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2020 SUSE LINUX GmbH
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#define dout_context cct
#define dout_subsys ceph_subsys_
#include "common/debug.h"
#include "common/errno.h"
#include "common/win32/registry.h"
RegistryKey::RegistryKey(CephContext *cct_, HKEY hRootKey, LPCTSTR strKey,
bool create_value): cct(cct_)
{
DWORD status = RegOpenKeyEx(hRootKey, strKey, 0, KEY_ALL_ACCESS, &hKey);
if (status == ERROR_FILE_NOT_FOUND && create_value)
{
ldout(cct_, 10) << "Creating registry key: " << strKey << dendl;
status = RegCreateKeyEx(
hRootKey, strKey, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &hKey, NULL);
}
if (ERROR_SUCCESS != status) {
if (ERROR_FILE_NOT_FOUND == status) {
missingKey = true;
} else {
lderr(cct_) << "Error: " << win32_strerror(status)
<< ". Could not open registry key: "
<< strKey << dendl;
}
}
}
RegistryKey::~RegistryKey() {
if (!hKey)
return;
DWORD status = RegCloseKey(hKey);
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not close registry key." << dendl;
} else {
hKey = NULL;
}
}
int RegistryKey::remove(CephContext *cct_, HKEY hRootKey, LPCTSTR strKey)
{
DWORD status = RegDeleteKeyEx(hRootKey, strKey, KEY_WOW64_64KEY, 0);
if (status == ERROR_FILE_NOT_FOUND)
{
ldout(cct_, 20) << "Registry key : " << strKey
<< " does not exist." << dendl;
return 0;
}
if (ERROR_SUCCESS != status) {
lderr(cct_) << "Error: " << win32_strerror(status)
<< ". Could not delete registry key: "
<< strKey << dendl;
return -EINVAL;
}
return 0;
}
int RegistryKey::flush() {
DWORD status = RegFlushKey(hKey);
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not flush registry key." << dendl;
return -EINVAL;
}
return 0;
}
int RegistryKey::set(LPCTSTR lpValue, DWORD data)
{
DWORD status = RegSetValueEx(hKey, lpValue, 0, REG_DWORD,
(LPBYTE)&data, sizeof(DWORD));
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not set registry value: " << (char*)lpValue << dendl;
return -EINVAL;
}
return 0;
}
int RegistryKey::set(LPCTSTR lpValue, std::string data)
{
DWORD status = RegSetValueEx(hKey, lpValue, 0, REG_SZ,
(LPBYTE)data.c_str(), data.length());
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not set registry value: "
<< (char*)lpValue << dendl;
return -EINVAL;
}
return 0;
}
int RegistryKey::get(LPCTSTR lpValue, bool& value)
{
DWORD value_dw = 0;
int r = get(lpValue, value_dw);
if (!r) {
value = !!value_dw;
}
return r;
}
int RegistryKey::get(LPCTSTR lpValue, DWORD& value)
{
DWORD data;
DWORD size = sizeof(data);
DWORD type = REG_DWORD;
DWORD status = RegQueryValueEx(hKey, lpValue, NULL,
&type, (LPBYTE)&data, &size);
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not get registry value: "
<< (char*)lpValue << dendl;
return -EINVAL;
}
value = data;
return 0;
}
int RegistryKey::get(LPCTSTR lpValue, std::string& value)
{
std::string data{""};
DWORD size = 0;
DWORD type = REG_SZ;
DWORD status = RegQueryValueEx(hKey, lpValue, NULL, &type,
(LPBYTE)data.c_str(), &size);
if (ERROR_MORE_DATA == status) {
data.resize(size);
status = RegQueryValueEx(hKey, lpValue, NULL, &type,
(LPBYTE)data.c_str(), &size);
}
if (ERROR_SUCCESS != status) {
derr << "Error: " << win32_strerror(status)
<< ". Could not get registry value: "
<< (char*)lpValue << dendl;
return -EINVAL;
}
value.assign(data.c_str());
return 0;
}
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