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https://github.com/veracrypt/VeraCrypt.git
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Add original TrueCrypt 7.1a sources
This commit is contained in:
Mounir IDRASSI
286
src/Common/Registry.c
Normal file
286
src/Common/Registry.c
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/*
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Copyright (c) 2004-2010 TrueCrypt Developers Association. All rights reserved.
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Governed by the TrueCrypt License 3.0 the full text of which is contained in
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the file License.txt included in TrueCrypt binary and source code distribution
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packages.
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*/
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#include "Tcdefs.h"
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#include "Registry.h"
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BOOL ReadLocalMachineRegistryDword (char *subKey, char *name, DWORD *value)
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{
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HKEY hkey = 0;
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DWORD size = sizeof (*value);
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DWORD type;
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if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
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return FALSE;
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if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) value, &size) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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return FALSE;
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}
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RegCloseKey (hkey);
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return type == REG_DWORD;
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}
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BOOL ReadLocalMachineRegistryMultiString (char *subKey, char *name, char *value, DWORD *size)
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{
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HKEY hkey = 0;
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DWORD type;
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if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
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return FALSE;
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if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) value, size) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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return FALSE;
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}
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RegCloseKey (hkey);
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return type == REG_MULTI_SZ;
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}
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BOOL ReadLocalMachineRegistryString (const char *subKey, char *name, char *str, DWORD *size)
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{
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HKEY hkey = 0;
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DWORD type;
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if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
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return FALSE;
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if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) str, size) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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return FALSE;
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}
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RegCloseKey (hkey);
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return type == REG_SZ;
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}
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BOOL ReadLocalMachineRegistryStringNonReflected (const char *subKey, char *name, char *str, DWORD *size)
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{
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HKEY hkey = 0;
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DWORD type;
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if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ | KEY_WOW64_64KEY, &hkey) != ERROR_SUCCESS)
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return FALSE;
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if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) str, size) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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return FALSE;
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}
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RegCloseKey (hkey);
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return type == REG_SZ;
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}
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int ReadRegistryInt (char *subKey, char *name, int defaultValue)
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{
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HKEY hkey = 0;
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DWORD value, size = sizeof (DWORD);
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if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey,
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0, KEY_READ, &hkey) != ERROR_SUCCESS)
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return defaultValue;
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if (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) &value, &size) != ERROR_SUCCESS)
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value = defaultValue;
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RegCloseKey (hkey);
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return value;
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}
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char *ReadRegistryString (char *subKey, char *name, char *defaultValue, char *str, int maxLen)
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{
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HKEY hkey = 0;
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char value[MAX_PATH*4];
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DWORD size = sizeof (value);
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strncpy (str, defaultValue, maxLen-1);
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ZeroMemory (value, sizeof value);
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if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey,
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0, KEY_READ, &hkey) == ERROR_SUCCESS)
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if (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) &value, &size) == ERROR_SUCCESS)
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strncpy (str, value, maxLen-1);
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RegCloseKey (hkey);
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return str;
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}
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DWORD ReadRegistryBytes (char *path, char *name, char *value, int maxLen)
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{
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HKEY hkey = 0;
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DWORD size = maxLen;
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BOOL success = FALSE;
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if (RegOpenKeyEx (HKEY_CURRENT_USER, path, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
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return 0;
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success = (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) value, &size) == ERROR_SUCCESS);
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RegCloseKey (hkey);
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return success ? size : 0;
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}
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void WriteRegistryInt (char *subKey, char *name, int value)
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{
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HKEY hkey = 0;
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DWORD disp;
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if (RegCreateKeyEx (HKEY_CURRENT_USER, subKey,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
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return;
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RegSetValueEx (hkey, name, 0, REG_DWORD, (BYTE *) &value, sizeof value);
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RegCloseKey (hkey);
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}
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BOOL WriteLocalMachineRegistryDword (char *subKey, char *name, DWORD value)
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{
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HKEY hkey = 0;
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DWORD disp;
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LONG status;
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if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
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{
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SetLastError (status);
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return FALSE;
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}
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if ((status = RegSetValueEx (hkey, name, 0, REG_DWORD, (BYTE *) &value, sizeof value)) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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SetLastError (status);
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return FALSE;
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}
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RegCloseKey (hkey);
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return TRUE;
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}
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BOOL WriteLocalMachineRegistryMultiString (char *subKey, char *name, char *multiString, DWORD size)
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{
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HKEY hkey = 0;
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DWORD disp;
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LONG status;
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if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
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{
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SetLastError (status);
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return FALSE;
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}
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if ((status = RegSetValueEx (hkey, name, 0, REG_MULTI_SZ, (BYTE *) multiString, size)) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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SetLastError (status);
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return FALSE;
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}
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RegCloseKey (hkey);
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return TRUE;
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}
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BOOL WriteLocalMachineRegistryString (char *subKey, char *name, char *str, BOOL expandable)
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{
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HKEY hkey = 0;
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DWORD disp;
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LONG status;
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if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
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{
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SetLastError (status);
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return FALSE;
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}
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if ((status = RegSetValueEx (hkey, name, 0, expandable ? REG_EXPAND_SZ : REG_SZ, (BYTE *) str, strlen (str) + 1)) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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SetLastError (status);
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return FALSE;
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}
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RegCloseKey (hkey);
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return TRUE;
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}
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void WriteRegistryString (char *subKey, char *name, char *str)
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{
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HKEY hkey = 0;
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DWORD disp;
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if (RegCreateKeyEx (HKEY_CURRENT_USER, subKey,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
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return;
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RegSetValueEx (hkey, name, 0, REG_SZ, (BYTE *) str, strlen (str) + 1);
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RegCloseKey (hkey);
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}
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BOOL WriteRegistryBytes (char *path, char *name, char *str, DWORD size)
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{
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HKEY hkey = 0;
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DWORD disp;
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BOOL res;
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if (RegCreateKeyEx (HKEY_CURRENT_USER, path,
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
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return FALSE;
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res = RegSetValueEx (hkey, name, 0, REG_BINARY, (BYTE *) str, size);
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RegCloseKey (hkey);
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return res == ERROR_SUCCESS;
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}
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BOOL DeleteLocalMachineRegistryKey (char *parentKey, char *subKeyToDelete)
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{
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LONG status;
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HKEY hkey = 0;
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if ((status = RegOpenKeyEx (HKEY_LOCAL_MACHINE, parentKey, 0, KEY_WRITE, &hkey)) != ERROR_SUCCESS)
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{
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SetLastError (status);
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return FALSE;
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}
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if ((status = RegDeleteKey (hkey, subKeyToDelete)) != ERROR_SUCCESS)
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{
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RegCloseKey (hkey);
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SetLastError (status);
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return FALSE;
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}
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RegCloseKey (hkey);
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return TRUE;
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}
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void DeleteRegistryValue (char *subKey, char *name)
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{
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HKEY hkey = 0;
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if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey, 0, KEY_WRITE, &hkey) != ERROR_SUCCESS)
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return;
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RegDeleteValue (hkey, name);
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RegCloseKey (hkey);
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}
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void GetStartupRegKeyName (char *regk)
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{
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// The string is split in order to prevent some antivirus packages from falsely reporting
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// TrueCrypt.exe to contain a possible Trojan horse because of this string (heuristic scan).
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sprintf (regk, "%s%s", "Software\\Microsoft\\Windows\\Curren", "tVersion\\Run");
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}
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