[jcifs] silent authentication
Markus Pitsch
markus_pitsch at gmx.net
Tue Sep 6 06:17:03 GMT 2005
i am using the following code to get out the current user logged in the
domain. i need to do this silent authentication by ntlm:
String auth = request.getHeader("Authorization");
if (auth == null){
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
response.setHeader("WWW-Authenticate", "NTLM");
response.flushBuffer();
return;
}
if (auth.startsWith("NTLM ")){
byte[] msg = new
sun.misc.BASE64Decoder().decodeBuffer(auth.substring(5));
int off = 0, length, offset;
if (msg[8] == 1){
byte z = 0;
byte[] msg1 = {(byte)'N', (byte)'T', (byte)'L', (byte)'M', (byte)'S',
(byte)'S', (byte)'P',
z,(byte)2, z, z, z, z, z, z, z,(byte)40, z, z, z,
(byte)1, (byte)130, z, z,z, (byte)2, (byte)2,
(byte)2, z, z, z, z, z, z, z, z, z, z, z, z};
response.setHeader("WWW-Authenticate", "NTLM " +
new sun.misc.BASE64Encoder().encodeBuffer(msg1));
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
else if (msg[8] == 3){
off = 30;
length = msg[off+9]*256 + msg[off+8];
offset = msg[off+11]*256 + msg[off+10];
String login = new String(msg, offset, length);
when i get the string login, it contains the user lookes like "t e s t e r"
all the time there is an empty char between the other letters. is this
generally normal? can i get the string parsed without empty characters.
thanks for your help.
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