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/*
$Id: reg.cpp,v 1.1.1.1 2005/07/07 15:05:59 oflebbe Exp $
Copyright (C) 2003 Olaf Flebbe, Science and Computing AG
o.flebbe@science-computing.de
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "reg.h"
Registry::Registry( const mystring key) {
keyHandle = 0;
if (ERROR_SUCCESS != RegOpenKeyEx( HKEY_LOCAL_MACHINE, key.c_str(), 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS , &keyHandle))
return;
}
Registry::~Registry() {
if (keyHandle != NULL)
RegCloseKey( keyHandle);
}
mystring Registry::getValue( const mystring& value) const {
wchar_t *retBuf = NULL;
DWORD retBufSize = 128;
while (1) {
retBuf = new wchar_t[ retBufSize]; //o.k. not clean alloc twice as needed
DWORD type;
long ret = RegQueryValueEx( keyHandle, value.c_str(), 0, &type, (LPBYTE) retBuf, &retBufSize);
if (ret == ERROR_MORE_DATA) {
delete[] retBuf;
continue;
}
if (ret != ERROR_SUCCESS || type != REG_SZ)
return mystring(L"");
break;
}
mystring ret( retBuf);
delete[] retBuf;
return ret;
}
std::list<mystring> Registry::getValues( const mystring& value) const {
wchar_t *retBuf = NULL;
DWORD retBufSize = 128;
std::list<mystring> list;
while (1) {
retBuf = new wchar_t[ retBufSize]; //o.k. not clean alloc twice as needed
DWORD type;
long ret = RegQueryValueEx( keyHandle, value.c_str(), 0, &type, (LPBYTE) retBuf, &retBufSize);
if (ret == ERROR_MORE_DATA) {
delete[] retBuf;
continue;
}
if (ret != ERROR_SUCCESS || type != REG_MULTI_SZ) {
delete[] retBuf;
return list;
}
break;
}
wchar_t *ptr = retBuf;
while (*ptr != 0) {
list.push_back( mystring( ptr));
while (*ptr != 0)
ptr++;
// ptr points to terminating 0
ptr++;
// should point to new entry, or terminating 0
}
delete[] retBuf;
return list;
}
std::list<mystring> Registry::getSubKeys() const {
wchar_t *retBuf = NULL;
DWORD retBufSize = 128;
std::list<mystring> list;
int numKey =0;
long ret;
do {
while (1) {
retBuf = new wchar_t[ retBufSize]; //o.k. not clean alloc twice as needed
FILETIME mod;
ret = RegEnumKeyEx( keyHandle, numKey, retBuf, &retBufSize, 0, NULL, NULL, &mod);
if (ret == ERROR_MORE_DATA) {
delete[] retBuf;
retBufSize *= 2;
continue;
}
if (!(ret == ERROR_NO_MORE_ITEMS || ret== ERROR_SUCCESS)){
delete[] retBuf;
return list;
}
break;
}
if (ret == ERROR_SUCCESS) {
list.push_back( mystring(retBuf));
}
delete[] retBuf;
numKey++;
} while (ret != ERROR_NO_MORE_ITEMS);
return list;
}
bool Registry::exists( const mystring& value) {
if (keyHandle) {
int ret = RegQueryValueEx( keyHandle, value.c_str(), 0, NULL, NULL, NULL);
return (ret == ERROR_SUCCESS);
}
return false;
}
#if 0
main() {
Registry reg( L"SOFTWARE\\science + computing\\scap");
printf("%S\n", reg.getValue( L"basedn").c_str());
std::list<mystring> servers = reg.getValues( L"servers");
for (std::list<mystring>::const_iterator ptr = servers.begin(); ptr != servers.end(); ptr++) {
printf("%S\n", ptr->c_str());
}
Registry zwo( L"System\\CurrentControlSet\\Control\\Lsa\\Kerberos\\Domains");
std::list<mystring> realms = zwo.getSubKeys();
for (std::list<mystring>::const_iterator ptr = realms.begin(); ptr != realms.end(); ptr++) {
printf("%S\n", ptr->c_str());
}
}
#endif
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