VeraCrypt
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-rw-r--r--src/Common/Registry.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/src/Common/Registry.c b/src/Common/Registry.c
new file mode 100644
index 0000000..0c5d51b
--- /dev/null
+++ b/src/Common/Registry.c
@@ -0,0 +1,286 @@
+/*
+ Copyright (c) 2004-2010 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "Tcdefs.h"
+#include "Registry.h"
+
+BOOL ReadLocalMachineRegistryDword (char *subKey, char *name, DWORD *value)
+{
+ HKEY hkey = 0;
+ DWORD size = sizeof (*value);
+ DWORD type;
+
+ if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
+ return FALSE;
+
+ if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) value, &size) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return type == REG_DWORD;
+}
+
+BOOL ReadLocalMachineRegistryMultiString (char *subKey, char *name, char *value, DWORD *size)
+{
+ HKEY hkey = 0;
+ DWORD type;
+
+ if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
+ return FALSE;
+
+ if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) value, size) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return type == REG_MULTI_SZ;
+}
+
+BOOL ReadLocalMachineRegistryString (const char *subKey, char *name, char *str, DWORD *size)
+{
+ HKEY hkey = 0;
+ DWORD type;
+
+ if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
+ return FALSE;
+
+ if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) str, size) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return type == REG_SZ;
+}
+
+BOOL ReadLocalMachineRegistryStringNonReflected (const char *subKey, char *name, char *str, DWORD *size)
+{
+ HKEY hkey = 0;
+ DWORD type;
+
+ if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, subKey, 0, KEY_READ | KEY_WOW64_64KEY, &hkey) != ERROR_SUCCESS)
+ return FALSE;
+
+ if (RegQueryValueEx (hkey, name, NULL, &type, (BYTE *) str, size) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return type == REG_SZ;
+}
+
+int ReadRegistryInt (char *subKey, char *name, int defaultValue)
+{
+ HKEY hkey = 0;
+ DWORD value, size = sizeof (DWORD);
+
+ if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey,
+ 0, KEY_READ, &hkey) != ERROR_SUCCESS)
+ return defaultValue;
+
+ if (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) &value, &size) != ERROR_SUCCESS)
+ value = defaultValue;
+
+ RegCloseKey (hkey);
+ return value;
+}
+
+char *ReadRegistryString (char *subKey, char *name, char *defaultValue, char *str, int maxLen)
+{
+ HKEY hkey = 0;
+ char value[MAX_PATH*4];
+ DWORD size = sizeof (value);
+
+ strncpy (str, defaultValue, maxLen-1);
+
+ ZeroMemory (value, sizeof value);
+ if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey,
+ 0, KEY_READ, &hkey) == ERROR_SUCCESS)
+ if (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) &value, &size) == ERROR_SUCCESS)
+ strncpy (str, value, maxLen-1);
+
+ RegCloseKey (hkey);
+ return str;
+}
+
+DWORD ReadRegistryBytes (char *path, char *name, char *value, int maxLen)
+{
+ HKEY hkey = 0;
+ DWORD size = maxLen;
+ BOOL success = FALSE;
+
+ if (RegOpenKeyEx (HKEY_CURRENT_USER, path, 0, KEY_READ, &hkey) != ERROR_SUCCESS)
+ return 0;
+
+ success = (RegQueryValueEx (hkey, name, 0, 0, (LPBYTE) value, &size) == ERROR_SUCCESS);
+ RegCloseKey (hkey);
+
+ return success ? size : 0;
+}
+
+void WriteRegistryInt (char *subKey, char *name, int value)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+
+ if (RegCreateKeyEx (HKEY_CURRENT_USER, subKey,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
+ return;
+
+ RegSetValueEx (hkey, name, 0, REG_DWORD, (BYTE *) &value, sizeof value);
+ RegCloseKey (hkey);
+}
+
+BOOL WriteLocalMachineRegistryDword (char *subKey, char *name, DWORD value)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+ LONG status;
+
+ if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
+ {
+ SetLastError (status);
+ return FALSE;
+ }
+
+ if ((status = RegSetValueEx (hkey, name, 0, REG_DWORD, (BYTE *) &value, sizeof value)) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ SetLastError (status);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return TRUE;
+}
+
+BOOL WriteLocalMachineRegistryMultiString (char *subKey, char *name, char *multiString, DWORD size)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+ LONG status;
+
+ if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
+ {
+ SetLastError (status);
+ return FALSE;
+ }
+
+ if ((status = RegSetValueEx (hkey, name, 0, REG_MULTI_SZ, (BYTE *) multiString, size)) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ SetLastError (status);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return TRUE;
+}
+
+BOOL WriteLocalMachineRegistryString (char *subKey, char *name, char *str, BOOL expandable)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+ LONG status;
+
+ if ((status = RegCreateKeyEx (HKEY_LOCAL_MACHINE, subKey,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp)) != ERROR_SUCCESS)
+ {
+ SetLastError (status);
+ return FALSE;
+ }
+
+ if ((status = RegSetValueEx (hkey, name, 0, expandable ? REG_EXPAND_SZ : REG_SZ, (BYTE *) str, strlen (str) + 1)) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ SetLastError (status);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return TRUE;
+}
+
+void WriteRegistryString (char *subKey, char *name, char *str)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+
+ if (RegCreateKeyEx (HKEY_CURRENT_USER, subKey,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
+ return;
+
+ RegSetValueEx (hkey, name, 0, REG_SZ, (BYTE *) str, strlen (str) + 1);
+ RegCloseKey (hkey);
+}
+
+BOOL WriteRegistryBytes (char *path, char *name, char *str, DWORD size)
+{
+ HKEY hkey = 0;
+ DWORD disp;
+ BOOL res;
+
+ if (RegCreateKeyEx (HKEY_CURRENT_USER, path,
+ 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, &disp) != ERROR_SUCCESS)
+ return FALSE;
+
+ res = RegSetValueEx (hkey, name, 0, REG_BINARY, (BYTE *) str, size);
+ RegCloseKey (hkey);
+ return res == ERROR_SUCCESS;
+}
+
+BOOL DeleteLocalMachineRegistryKey (char *parentKey, char *subKeyToDelete)
+{
+ LONG status;
+ HKEY hkey = 0;
+
+ if ((status = RegOpenKeyEx (HKEY_LOCAL_MACHINE, parentKey, 0, KEY_WRITE, &hkey)) != ERROR_SUCCESS)
+ {
+ SetLastError (status);
+ return FALSE;
+ }
+
+ if ((status = RegDeleteKey (hkey, subKeyToDelete)) != ERROR_SUCCESS)
+ {
+ RegCloseKey (hkey);
+ SetLastError (status);
+ return FALSE;
+ }
+
+ RegCloseKey (hkey);
+ return TRUE;
+}
+
+void DeleteRegistryValue (char *subKey, char *name)
+{
+ HKEY hkey = 0;
+
+ if (RegOpenKeyEx (HKEY_CURRENT_USER, subKey, 0, KEY_WRITE, &hkey) != ERROR_SUCCESS)
+ return;
+
+ RegDeleteValue (hkey, name);
+ RegCloseKey (hkey);
+}
+
+
+void GetStartupRegKeyName (char *regk)
+{
+ // The string is split in order to prevent some antivirus packages from falsely reporting
+ // TrueCrypt.exe to contain a possible Trojan horse because of this string (heuristic scan).
+ sprintf (regk, "%s%s", "Software\\Microsoft\\Windows\\Curren", "tVersion\\Run");
+}