use of com.sun.jna.platform.win32.WinNT.GENERIC_MAPPING in project jna by java-native-access.
the class Advapi32Test method testMapGenericAllMask.
public void testMapGenericAllMask() {
final GENERIC_MAPPING mapping = new GENERIC_MAPPING();
mapping.genericRead = new DWORD(FILE_GENERIC_READ);
mapping.genericWrite = new DWORD(FILE_GENERIC_WRITE);
mapping.genericExecute = new DWORD(FILE_GENERIC_EXECUTE);
mapping.genericAll = new DWORD(FILE_ALL_ACCESS);
final DWORDByReference rights = new DWORDByReference(new DWORD(GENERIC_ALL));
Advapi32.INSTANCE.MapGenericMask(rights, mapping);
assertEquals(FILE_ALL_ACCESS, rights.getValue().intValue());
assertTrue(GENERIC_ALL != (rights.getValue().intValue() & GENERIC_ALL));
}
use of com.sun.jna.platform.win32.WinNT.GENERIC_MAPPING in project jna by java-native-access.
the class Advapi32Util method accessCheck.
/**
* Checks if the current process has the given permission for the file.
* @param file the file to check
* @param permissionToCheck the permission to check for the file
* @return true if has access, otherwise false
*/
public static boolean accessCheck(File file, AccessCheckPermission permissionToCheck) {
Memory securityDescriptorMemoryPointer = getSecurityDescriptorForFile(file.getAbsolutePath().replace('/', '\\'));
HANDLEByReference openedAccessToken = new HANDLEByReference();
HANDLEByReference duplicatedToken = new HANDLEByReference();
Win32Exception err = null;
try {
int desireAccess = TOKEN_IMPERSONATE | TOKEN_QUERY | TOKEN_DUPLICATE | STANDARD_RIGHTS_READ;
HANDLE hProcess = Kernel32.INSTANCE.GetCurrentProcess();
if (!Advapi32.INSTANCE.OpenProcessToken(hProcess, desireAccess, openedAccessToken)) {
throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
}
if (!Advapi32.INSTANCE.DuplicateToken(openedAccessToken.getValue(), SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation, duplicatedToken)) {
throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
}
GENERIC_MAPPING mapping = new GENERIC_MAPPING();
mapping.genericRead = new DWORD(FILE_GENERIC_READ);
mapping.genericWrite = new DWORD(FILE_GENERIC_WRITE);
mapping.genericExecute = new DWORD(FILE_GENERIC_EXECUTE);
mapping.genericAll = new DWORD(FILE_ALL_ACCESS);
DWORDByReference rights = new DWORDByReference(new DWORD(permissionToCheck.getCode()));
Advapi32.INSTANCE.MapGenericMask(rights, mapping);
PRIVILEGE_SET privileges = new PRIVILEGE_SET(1);
privileges.PrivilegeCount = new DWORD(0);
DWORDByReference privilegeLength = new DWORDByReference(new DWORD(privileges.size()));
DWORDByReference grantedAccess = new DWORDByReference();
BOOLByReference result = new BOOLByReference();
if (!Advapi32.INSTANCE.AccessCheck(securityDescriptorMemoryPointer, duplicatedToken.getValue(), rights.getValue(), mapping, privileges, privilegeLength, grantedAccess, result)) {
throw new Win32Exception(Kernel32.INSTANCE.GetLastError());
}
return result.getValue().booleanValue();
} catch (Win32Exception e) {
err = e;
// re-throw so finally block executed
throw err;
} finally {
try {
Kernel32Util.closeHandleRefs(openedAccessToken, duplicatedToken);
} catch (Win32Exception e) {
if (err == null) {
err = e;
} else {
err.addSuppressed(e);
}
}
if (securityDescriptorMemoryPointer != null) {
securityDescriptorMemoryPointer.clear();
}
if (err != null) {
throw err;
}
}
}
use of com.sun.jna.platform.win32.WinNT.GENERIC_MAPPING in project jna by java-native-access.
the class Advapi32Test method testAccessCheck.
public void testAccessCheck() {
final GENERIC_MAPPING mapping = new GENERIC_MAPPING();
mapping.genericRead = new DWORD(FILE_GENERIC_READ);
mapping.genericWrite = new DWORD(FILE_GENERIC_WRITE);
mapping.genericExecute = new DWORD(FILE_GENERIC_EXECUTE);
mapping.genericAll = new DWORD(FILE_ALL_ACCESS);
final Memory securityDescriptorMemoryPointer = new Memory(1);
final PRIVILEGE_SET privileges = new PRIVILEGE_SET(1);
privileges.PrivilegeCount = new DWORD(0);
final DWORDByReference privilegeLength = new DWORDByReference(new DWORD(privileges.size()));
final DWORDByReference grantedAccess = new DWORDByReference();
final BOOLByReference result = new BOOLByReference();
final boolean status = Advapi32.INSTANCE.AccessCheck(securityDescriptorMemoryPointer, null, new DWORD(FILE_GENERIC_READ), mapping, privileges, privilegeLength, grantedAccess, result);
assertFalse(status);
assertFalse(result.getValue().booleanValue());
assertEquals(WinError.ERROR_INVALID_HANDLE, Kernel32.INSTANCE.GetLastError());
}
use of com.sun.jna.platform.win32.WinNT.GENERIC_MAPPING in project jna by java-native-access.
the class Advapi32Test method testMapGenericExecuteMask.
public void testMapGenericExecuteMask() {
final GENERIC_MAPPING mapping = new GENERIC_MAPPING();
mapping.genericRead = new DWORD(FILE_GENERIC_READ);
mapping.genericWrite = new DWORD(FILE_GENERIC_WRITE);
mapping.genericExecute = new DWORD(FILE_GENERIC_EXECUTE);
mapping.genericAll = new DWORD(FILE_ALL_ACCESS);
final DWORDByReference rights = new DWORDByReference(new DWORD(GENERIC_EXECUTE));
Advapi32.INSTANCE.MapGenericMask(rights, mapping);
assertEquals(FILE_GENERIC_EXECUTE, rights.getValue().intValue());
assertTrue(GENERIC_EXECUTE != (rights.getValue().intValue() & GENERIC_EXECUTE));
}
use of com.sun.jna.platform.win32.WinNT.GENERIC_MAPPING in project jna by java-native-access.
the class Advapi32Test method testMapGenericReadMask.
public void testMapGenericReadMask() {
final GENERIC_MAPPING mapping = new GENERIC_MAPPING();
mapping.genericRead = new DWORD(FILE_GENERIC_READ);
mapping.genericWrite = new DWORD(FILE_GENERIC_WRITE);
mapping.genericExecute = new DWORD(FILE_GENERIC_EXECUTE);
mapping.genericAll = new DWORD(FILE_ALL_ACCESS);
final DWORDByReference rights = new DWORDByReference(new DWORD(GENERIC_READ));
Advapi32.INSTANCE.MapGenericMask(rights, mapping);
assertEquals(FILE_GENERIC_READ, rights.getValue().intValue());
assertTrue(GENERIC_READ != (rights.getValue().intValue() & GENERIC_READ));
}
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