Leaked source code of windows server 2003
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/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
registry.cpp
Abstract:
SIS Groveler/registry interface
Authors:
John Douceur, 1998
Environment:
User Mode
Revision History:
--*/
#include "all.hxx"
bool
Registry::read(
HKEY base_key,
const _TCHAR *path,
int num_entries,
EntrySpec *entries)
{
WCHAR id_buffer[id_buffer_length];
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_entries > 0);
ASSERT(entries != 0);
for (int index = 0; index < num_entries; index++)
{
load_string_into_value(entries[index].type,
entries[index].default_value, entries[index].pointer);
}
HKEY path_key;
long result = RegOpenKeyEx(base_key, path, 0, KEY_ALL_ACCESS, &path_key);
if (result != ERROR_SUCCESS)
{
return false;
}
ASSERT(path_key != 0);
for (index = 0; index < num_entries; index++)
{
DWORD data_type;
DWORD data_length = id_buffer_length;
result = RegQueryValueEx(path_key, entries[index].identifier, 0,
&data_type, (BYTE *)id_buffer, &data_length);
if (result == ERROR_SUCCESS && data_type == REG_SZ)
{
load_string_into_value(entries[index].type, id_buffer,
entries[index].pointer);
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::write(
HKEY base_key,
const _TCHAR *path,
int num_entries,
EntrySpec *entries)
{
WCHAR id_buffer[id_buffer_length];
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_entries > 0);
ASSERT(entries != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_entries; index++)
{
DWORD data_type;
DWORD data_length = id_buffer_length;
result = RegQueryValueEx(path_key, entries[index].identifier, 0,
&data_type, (BYTE *)id_buffer, &data_length);
if (result != ERROR_SUCCESS || data_type != REG_SZ)
{
store_value_in_string(entries[index].type, entries[index].pointer,
id_buffer,sizeof(id_buffer));
result =
RegSetValueEx(path_key, entries[index].identifier, 0, REG_SZ,
(BYTE *)id_buffer, (_tcslen(id_buffer) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::overwrite(
HKEY base_key,
const _TCHAR *path,
int num_entries,
EntrySpec *entries)
{
WCHAR id_buffer[id_buffer_length];
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_entries > 0);
ASSERT(entries != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_entries; index++)
{
store_value_in_string(entries[index].type, entries[index].pointer,
id_buffer,sizeof(id_buffer));
result =
RegSetValueEx(path_key, entries[index].identifier, 0, REG_SZ,
(BYTE *)id_buffer, (_tcslen(id_buffer) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::write_defaults(
HKEY base_key,
const _TCHAR *path,
int num_entries,
EntrySpec *entries)
{
WCHAR id_buffer[id_buffer_length];
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_entries > 0);
ASSERT(entries != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_entries; index++)
{
DWORD data_type;
DWORD data_length = id_buffer_length;
result = RegQueryValueEx(path_key, entries[index].identifier, 0,
&data_type, (BYTE *)id_buffer, &data_length);
if (result != ERROR_SUCCESS)
{
result = RegSetValueEx(path_key, entries[index].identifier, 0,
REG_SZ, (BYTE *)entries[index].default_value,
(_tcslen(entries[index].default_value) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::overwrite_defaults(
HKEY base_key,
const _TCHAR *path,
int num_entries,
EntrySpec *entries)
{
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_entries > 0);
ASSERT(entries != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_entries; index++)
{
result = RegSetValueEx(path_key, entries[index].identifier, 0, REG_SZ,
(BYTE *)entries[index].default_value,
(_tcslen(entries[index].default_value) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::read_string_set(
HKEY base_key,
const _TCHAR *path,
int *num_strings,
_TCHAR ***strings,
BYTE **buffer)
{
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_strings != 0);
ASSERT(strings != 0);
ASSERT(buffer != 0);
HKEY path_key;
*num_strings = 0;
*strings = 0;
*buffer = 0;
long result = RegOpenKeyEx(base_key, path, 0, KEY_ALL_ACCESS, &path_key);
if (result != ERROR_SUCCESS)
{
return false;
}
unsigned long num_values;
unsigned long max_value_length;
unsigned long max_string_length;
result = RegQueryInfoKey(path_key, 0, 0, 0, 0, 0, 0,
&num_values, &max_value_length, &max_string_length, 0, 0);
if (result != ERROR_SUCCESS || num_values == 0)
{
RegCloseKey(path_key);
return true;
}
_TCHAR *value = new _TCHAR[max_value_length + 1];
_TCHAR **string_set = new _TCHAR *[num_values];
BYTE *string_buffer =
new BYTE[num_values * max_string_length * sizeof(_TCHAR)];
int string_index = 0;
int buffer_offset = 0;
for (unsigned int index = 0; index < num_values; index++)
{
DWORD value_length = max_value_length + 1;
DWORD string_length = max_string_length;
DWORD data_type;
result = RegEnumValue(path_key, index, value, &value_length, 0,
&data_type, &string_buffer[buffer_offset], &string_length);
if (result == ERROR_SUCCESS && data_type == REG_SZ)
{
ASSERT(unsigned(string_index) < num_values);
string_set[string_index] = (_TCHAR *)&string_buffer[buffer_offset];
string_index++;
buffer_offset += string_length;
}
}
*num_strings = string_index;
ASSERT(value != 0);
delete[] value;
value = 0;
*strings = string_set;
*buffer = string_buffer;
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::write_string_set(
HKEY base_key,
const _TCHAR *path,
int num_strings,
_TCHAR **strings,
_TCHAR **identifiers)
{
WCHAR id_buffer[id_buffer_length];
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_strings > 0);
ASSERT(strings != 0);
ASSERT(identifiers != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_strings; index++)
{
DWORD data_type;
DWORD data_length = id_buffer_length;
result = RegQueryValueEx(path_key, identifiers[index], 0,
&data_type, (BYTE *)id_buffer, &data_length);
if (result != ERROR_SUCCESS || data_type != REG_SZ)
{
result = RegSetValueEx(
path_key, identifiers[index], 0, REG_SZ, (BYTE *)strings[index],
(_tcslen(strings[index]) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
bool
Registry::overwrite_string_set(
HKEY base_key,
const _TCHAR *path,
int num_strings,
_TCHAR **strings,
_TCHAR **identifiers)
{
ASSERT(base_key == HKEY_CLASSES_ROOT
|| base_key == HKEY_CURRENT_CONFIG
|| base_key == HKEY_CURRENT_USER
|| base_key == HKEY_LOCAL_MACHINE
|| base_key == HKEY_USERS);
ASSERT(path != 0);
ASSERT(num_strings > 0);
ASSERT(strings != 0);
ASSERT(identifiers != 0);
HKEY path_key;
DWORD disposition;
long result = RegCreateKeyEx(base_key, path, 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, 0, &path_key, &disposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
return false;
}
ASSERT(path_key != 0);
for (int index = 0; index < num_strings; index++)
{
result = RegSetValueEx(
path_key, identifiers[index], 0, REG_SZ, (BYTE *)strings[index],
(_tcslen(strings[index]) + 1) * sizeof(_TCHAR));
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"),
result));
}
}
ASSERT(path_key != 0);
RegCloseKey(path_key);
path_key = 0;
return true;
}
void
Registry::create_key_ex(
HKEY hKey,
LPCTSTR lpSubKey,
DWORD Reserved,
LPTSTR lpClass,
DWORD dwOptions,
REGSAM samDesired,
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
PHKEY phkResult,
LPDWORD lpdwDisposition)
{
DWORD result = RegCreateKeyEx(hKey, lpSubKey, Reserved, lpClass, dwOptions,
samDesired, lpSecurityAttributes, phkResult, lpdwDisposition);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCreateKeyEx() failed with error %d\n"),
result));
throw result;
}
}
void
Registry::open_key_ex(
HKEY hKey,
LPCTSTR lpSubKey,
DWORD ulOptions,
REGSAM samDesired,
PHKEY phkResult)
{
DWORD result =
RegOpenKeyEx(hKey, lpSubKey, ulOptions, samDesired, phkResult);
if (result != ERROR_SUCCESS)
{
throw result;
}
}
void
Registry::close_key(
HKEY hKey)
{
DWORD result = RegCloseKey(hKey);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegCloseKey() failed with error %d\n"), result));
throw result;
}
}
void
Registry::query_value_ex(
HKEY hKey,
LPCTSTR lpValueName,
LPDWORD lpReserved,
LPDWORD lpType,
LPBYTE lpData,
LPDWORD lpcbData)
{
DWORD result = RegQueryValueEx(hKey, lpValueName,
lpReserved, lpType, lpData, lpcbData);
if (result != ERROR_SUCCESS)
{
throw result;
}
}
void
Registry::set_value_ex(
HKEY hKey,
LPCTSTR lpValueName,
DWORD Reserved,
DWORD dwType,
CONST BYTE *lpData,
DWORD cbData)
{
DWORD result =
RegSetValueEx(hKey, lpValueName, Reserved, dwType, lpData, cbData);
if (result != ERROR_SUCCESS)
{
PRINT_DEBUG_MSG((_T("GROVELER: RegSetValueEx() failed with error %d\n"), result));
throw result;
}
}
void
Registry::load_string_into_value(
EntryType type,
const _TCHAR *string,
void *value)
//
// This routine can safely ignore if stscanf fails because a default value
// has already been placed in value
//
{
ASSERT(string != 0);
ASSERT(value != 0);
switch (type)
{
case entry_bool:
*((bool *)value) = _ttoi(string) != 0;
break;
case entry_char:
*((_TCHAR *)value) = string[0];
break;
case entry_int:
(VOID)_stscanf(string, _T("%d"), (int *)value);
break;
case entry_int64:
(VOID)_stscanf(string, _T("%I64d"), (__int64 *)value);
break;
case entry_double:
(VOID)_stscanf(string, _T("%lf"), (double *)value);
break;
default:
ASSERT(false);
}
}
void
Registry::store_value_in_string(
EntryType type,
void *value,
_TCHAR *string,
int strSize) //in bytes
{
ASSERT(string != 0);
ASSERT(value != 0);
switch (type)
{
case entry_bool:
(void)StringCbPrintf(string, strSize, *((bool *)value) ? _T("1") : _T("0"));
break;
case entry_char:
(void)StringCbPrintf(string, strSize, _T("%c"), *((_TCHAR *)value));
break;
case entry_int:
(void)StringCbPrintf(string, strSize, _T("%d"), *((int *)value));
break;
case entry_int64:
(void)StringCbPrintf(string, strSize, _T("%I64d"), *((__int64 *)value));
break;
case entry_double:
(void)StringCbPrintf(string, strSize, _T("%g"), *((double *)value));
break;
default:
ASSERT(false);
}
}