Examples with Kernel32 com.sun.jna.platform.win32.Kernel32 used on opensource projects

Example 1 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Advapi32Test method testGetTokenGroupsInformation.

public void testGetTokenGroupsInformation() {
    HANDLEByReference phToken = new HANDLEByReference();
    try {
        HANDLE processHandle = Kernel32.INSTANCE.GetCurrentProcess();
        assertTrue(Advapi32.INSTANCE.OpenProcessToken(processHandle, WinNT.TOKEN_DUPLICATE | WinNT.TOKEN_QUERY, phToken));
        IntByReference tokenInformationLength = new IntByReference();
        assertFalse(Advapi32.INSTANCE.GetTokenInformation(phToken.getValue(), WinNT.TOKEN_INFORMATION_CLASS.TokenGroups, null, 0, tokenInformationLength));
        assertEquals(W32Errors.ERROR_INSUFFICIENT_BUFFER, Kernel32.INSTANCE.GetLastError());
        WinNT.TOKEN_GROUPS groups = new WinNT.TOKEN_GROUPS(tokenInformationLength.getValue());
        assertTrue(Advapi32.INSTANCE.GetTokenInformation(phToken.getValue(), WinNT.TOKEN_INFORMATION_CLASS.TokenGroups, groups, tokenInformationLength.getValue(), tokenInformationLength));
        assertTrue(tokenInformationLength.getValue() > 0);
        assertTrue(groups.GroupCount > 0);
        for (SID_AND_ATTRIBUTES sidAndAttribute : groups.getGroups()) {
            assertTrue(Advapi32.INSTANCE.IsValidSid(sidAndAttribute.Sid));
        // System.out.println(Advapi32Util.convertSidToStringSid(sidAndAttribute.Sid));
        }
    } finally {
        Kernel32Util.closeHandleRef(phToken);
    }
}

Example 2 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Advapi32Test method testAdjustTokenPrivileges.

public void testAdjustTokenPrivileges() {
    HANDLEByReference hToken = new HANDLEByReference();
    assertTrue(Advapi32.INSTANCE.OpenProcessToken(Kernel32.INSTANCE.GetCurrentProcess(), WinNT.TOKEN_ADJUST_PRIVILEGES | WinNT.TOKEN_QUERY, hToken));
    try {
        // Find an already enabled privilege
        TOKEN_PRIVILEGES tp = new TOKEN_PRIVILEGES(1024);
        IntByReference returnLength = new IntByReference();
        assertTrue(Advapi32.INSTANCE.GetTokenInformation(hToken.getValue(), WinNT.TOKEN_INFORMATION_CLASS.TokenPrivileges, tp, tp.size(), returnLength));
        assertTrue(tp.PrivilegeCount.intValue() > 0);
        WinNT.LUID luid = null;
        for (int i = 0; i < tp.PrivilegeCount.intValue(); i++) {
            if ((tp.Privileges[i].Attributes.intValue() & WinNT.SE_PRIVILEGE_ENABLED) > 0) {
                luid = tp.Privileges[i].Luid;
            }
        }
        assertTrue(luid != null);
        // Re-enable it. That should succeed.
        tp = new WinNT.TOKEN_PRIVILEGES(1);
        tp.Privileges[0] = new WinNT.LUID_AND_ATTRIBUTES(luid, new DWORD(WinNT.SE_PRIVILEGE_ENABLED));
        assertTrue(Advapi32.INSTANCE.AdjustTokenPrivileges(hToken.getValue(), false, tp, 0, null, null));
    } finally {
        Kernel32Util.closeHandleRef(hToken);
    }
}

Example 3 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Advapi32Test method testReadEventLogEntries.

public void testReadEventLogEntries() {
    HANDLE h = Advapi32.INSTANCE.OpenEventLog(null, "Application");
    IntByReference pnBytesRead = new IntByReference();
    IntByReference pnMinNumberOfBytesNeeded = new IntByReference();
    Memory buffer = new Memory(1024 * 64);
    // shorten test, avoid iterating through all events
    int maxReads = 3;
    int rc = 0;
    while (true) {
        if (maxReads-- <= 0)
            break;
        if (!Advapi32.INSTANCE.ReadEventLog(h, WinNT.EVENTLOG_SEQUENTIAL_READ | WinNT.EVENTLOG_FORWARDS_READ, 0, buffer, (int) buffer.size(), pnBytesRead, pnMinNumberOfBytesNeeded)) {
            rc = Kernel32.INSTANCE.GetLastError();
            if (rc == W32Errors.ERROR_INSUFFICIENT_BUFFER) {
                buffer = new Memory(pnMinNumberOfBytesNeeded.getValue());
                rc = 0;
                continue;
            }
            break;
        }
        int dwRead = pnBytesRead.getValue();
        Pointer pevlr = buffer;
        int maxRecords = 3;
        while (dwRead > 0 && maxRecords-- > 0) {
            EVENTLOGRECORD record = new EVENTLOGRECORD(pevlr);
            /*
                  System.out.println(record.RecordNumber.intValue()
                  + " Event ID: " + record.EventID.intValue()
                  + " Event Type: " + record.EventType.intValue()
                  + " Event Source: " + pevlr.getString(record.size(), true));
                */
            dwRead -= record.Length.intValue();
            pevlr = pevlr.share(record.Length.intValue());
        }
    }
    assertTrue("Unexpected error after reading event log: " + new Win32Exception(rc), rc == W32Errors.ERROR_HANDLE_EOF || rc == 0);
    assertTrue("Error closing event log", Advapi32.INSTANCE.CloseEventLog(h));
}

Example 4 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Advapi32Test method testOpenProcessToken.

public void testOpenProcessToken() {
    HANDLEByReference phToken = new HANDLEByReference();
    try {
        HANDLE processHandle = Kernel32.INSTANCE.GetCurrentProcess();
        assertTrue(Advapi32.INSTANCE.OpenProcessToken(processHandle, WinNT.TOKEN_DUPLICATE | WinNT.TOKEN_QUERY, phToken));
    } finally {
        Kernel32Util.closeHandleRef(phToken);
    }
}

Example 5 with Kernel32

use of com.sun.jna.platform.win32.Kernel32 in project jna by java-native-access.

the class Advapi32Test method testOpenSCManager.

public void testOpenSCManager() {
    SC_HANDLE handle = Advapi32.INSTANCE.OpenSCManager(null, null, Winsvc.SC_MANAGER_CONNECT);
    assertNotNull(handle);
    assertTrue(Advapi32.INSTANCE.CloseServiceHandle(handle));
    assertNull(Advapi32.INSTANCE.OpenSCManager("invalidMachineName", null, Winsvc.SC_MANAGER_CONNECT));
    int err = Kernel32.INSTANCE.GetLastError();
    assertTrue("Unexpected error in OpenSCManager: " + err, err == W32Errors.RPC_S_SERVER_UNAVAILABLE || err == W32Errors.RPC_S_INVALID_NET_ADDR);
    assertNull(Advapi32.INSTANCE.OpenSCManager(null, "invalidDatabase", Winsvc.SC_MANAGER_CONNECT));
    assertEquals(W32Errors.ERROR_INVALID_NAME, Kernel32.INSTANCE.GetLastError());
}