Мне нужно написать программу, которая проверяет защищенный сайт Kerberos нашей компании. Я стараюсь его HttpClient и получить следующее сообщение об ошибке:HttpClient проверяет защищенную веб-страницу Kerberos. Логин NTLM не работал
KrbException: Server not found in Kerberos database (7)
at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:61)
at sun.security.krb5.KrbTgsReq.getReply(KrbTgsReq.java:185)
...
Я написал NTLM вход 5 месяцев назад, но он не работает для этого защищенного сайта Kerberos. Я думаю, что Nego2 активирован, поэтому он не возвращается к NTLM, если Kerberos терпит неудачу.
Я читал статью в Kerberos Wikipedia: http://en.wikipedia.org/wiki/Kerberos_(protocol), и я думаю, проблема в том, что TGS не находит запрошенную услугу в базе данных. Я думаю, это потому, что я получаю билет до ошибки (я думаю, что это TGT).
Found ticket for [email protected] to go to krbtgt/[email protected] expiring on Thu May 31 01:35:56 CEST 2012
Так что ошибка whould произойдет в «Client Service Authorization» -> 2. (см статью в Википедии)
Проблема заключается в том, что услуга должна быть в базе данных Kerberos, потому что я могу получить доступ к он с IE (без входа в систему, поэтому работает один знак).
Так что мой вопрос: Почему TGS не находит сервер в базе данных Kerberos, но он работает с IE?
Экстренная Информация
Я пытался получить необходимую информацию на вершине, но здесь вся информация, потому что я не знаю, если я получил всю необходимую информацию:
ОС Windows 7
Firefox версии 9.0.1
Chrome версии 19.0.1084.52
Safari версии 5.0.2
IE версии 8.0.7600.16385
Мои Java Код:
System.setProperty("java.security.auth.login.config", "file://c:/temp/jaas.conf");
System.setProperty("java.security.krb5.conf", "c:/winnt/krb5.ini");
System.setProperty("sun.security.krb5.debug", "true");
System.setProperty("javax.security.auth.useSubjectCredsOnly","false");
DefaultHttpClient httpclient = new DefaultHttpClient();
try {
httpclient.getAuthSchemes().register(AuthPolicy.SPNEGO, new SPNegoSchemeFactory());
Credentials use_jaas_creds = new Credentials() {
public String getPassword() {
return null;
}
public Principal getUserPrincipal() {
return null;
}
};
httpclient.getCredentialsProvider().setCredentials(
new AuthScope(null, -1, null),
use_jaas_creds);
HttpUriRequest request = new HttpGet("url.com:port/site"); //Kerberos secured url
HttpResponse response = httpclient.execute(request);
HttpEntity entity = response.getEntity();
System.out.println("----------------------------------------");
System.out.println(response.getStatusLine());
System.out.println("----------------------------------------");
if (entity != null) {
System.out.println(EntityUtils.toString(entity));
}
System.out.println("----------------------------------------");
// This ensures the connection gets released back to the manager
EntityUtils.consume(entity);
jaas.conf
com.sun.security.jgss.login {
com.sun.security.auth.module.Krb5LoginModule required client=TRUE;
};
com.sun.security.jgss.initiate {
com.sun.security.auth.module.Krb5LoginModule required client=TRUE;
};
com.sun.security.jgss.accept {
com.sun.security.auth.module.Krb5LoginModule required client=TRUE;
};
krb5.ini
[logging]
default = FILE:log/krb5libs.log
kdc = FILE:log/krb5kdc.log
admin_server = FILE:log/kadmind.log
[libdefaults]
ticket_lifetime = 24000
default_realm = EXAMPLE.COM
dns_lookup_realm = false
dns_lookup_kdc = false
[realms]
EXAMPLE.COM = {
kdc = url
admin_server = url
}
[domain_realm]
url.com = EXAMPLE.COM
[kdc]
profile = /var/kerberos/krb5kdc/kdc.conf
[appdefaults]
pam = {
debug = false
ticket_lifetime = 36000
renew_lifetime = 36000
forwardable = true
krb4_convert = false
}
Hole Log файл из теста:
log4j:WARN No appenders could be found for logger (org.apache.http.impl.conn.BasicClientConnectionManager).
log4j:WARN Please initialize the log4j system properly.
Kerberos-Benutzername [user]: user
Kerberos-Passwort für user: *******
Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 3 1 23 16 17.
Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 3 1 23 16 17.
>>> KrbAsReq calling createMessage
>>> KrbAsReq in createMessage
>>> KrbKdcReq send: kdc=kdcurl UDP:88, timeout=30000, number of retries =3, #bytes=155
>>> KDCCommunication: kdc=kdcurl UDP:88, timeout=30000,Attempt =1, #bytes=155
>>> KrbKdcReq send: #bytes read=220
>>> KrbKdcReq send: #bytes read=220
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
sTime is Thu May 31 08:46:29 CEST 2012 1338446789000
suSec is 51983
error code is 25
error Message is Additional pre-authentication required
realm is EXAMPLE.COM
sname is krbtgt/EXAMPLE.COM
eData provided.
msgType is 30
>>>Pre-Authentication Data:
PA-DATA type = 11
PA-ETYPE-INFO etype = 23
>>>Pre-Authentication Data:
PA-DATA type = 2
PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
PA-DATA type = 15
AcquireTGT: PREAUTH FAILED/REQUIRED, re-send AS-REQ
Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 3 1 23 16 17.
Pre-Authentication: Set preferred etype = 23
>>>KrbAsReq salt is EXAMPLE.COMuser
Pre-Authenticaton: find key for etype = 23
AS-REQ: Add PA_ENC_TIMESTAMP now
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
>>> KrbAsReq calling createMessage
>>> KrbAsReq in createMessage
>>> KrbKdcReq send: kdc=kdcurl UDP:88, timeout=30000, number of retries =3, #bytes=219
>>> KDCCommunication: kdc=kdcurl UDP:88, timeout=30000,Attempt =1, #bytes=219
>>> KrbKdcReq send: #bytes read=100
>>> KrbKdcReq send: #bytes read=100
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
sTime is Thu May 31 08:46:29 CEST 2012 1338446789000
suSec is 114485
error code is 52
error Message is Response too big for UDP, retry with TCP
realm is EXAMPLE.COM
sname is krbtgt/EXAMPLE.COM
msgType is 30
>>> KrbKdcReq send: kdc=kdcurl TCP:88, timeout=30000, number of retries =3, #bytes=219
>>>DEBUG: TCPClient reading 3277 bytes
>>> KrbKdcReq send: #bytes read=3277
>>> KrbKdcReq send: #bytes read=3277
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
>>> KrbAsRep cons in KrbAsReq.getReply user
Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 3 1 23 16 17.
Found ticket for [email protected] to go to krbtgt/[email protected] expiring on Thu May 31 18:46:29 CEST 2012
Entered Krb5Context.initSecContext with state=STATE_NEW
Service ticket not found in the subject
>>> Credentials acquireServiceCreds: same realm
Using builtin default etypes for default_tgs_enctypes
default etypes for default_tgs_enctypes: 3 1 23 16 17.
>>> CksumType: sun.security.krb5.internal.crypto.RsaMd5CksumType
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
>>> KrbKdcReq send: kdc=kdcurl UDP:88, timeout=30000, number of retries =3, #bytes=3298
>>> KDCCommunication: kdc=kdcurl UDP:88, timeout=30000,Attempt =1, #bytes=3298
>>> KrbKdcReq send: #bytes read=110
>>> KrbKdcReq send: #bytes read=110
>>> KDCRep: init() encoding tag is 126 req type is 13
>>>KRBError:
sTime is Thu May 31 08:46:29 CEST 2012 1338446789000
suSec is 192613
error code is 7
error Message is Server not found in Kerberos database
realm is EXAMPLE.COM
sname is HTTP/url.com:port
msgType is 30
KrbException: Server not found in Kerberos database (7)
at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:61)
at sun.security.krb5.KrbTgsReq.getReply(KrbTgsReq.java:185)
at sun.security.krb5.internal.CredentialsUtil.serviceCreds(CredentialsUtil.java:294)
at sun.security.krb5.internal.CredentialsUtil.acquireServiceCreds(CredentialsUtil.java:106)
at sun.security.krb5.Credentials.acquireServiceCreds(Credentials.java:562)
at sun.security.jgss.krb5.Krb5Context.initSecContext(Krb5Context.java:594)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:230)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:162)
at sun.security.jgss.spnego.SpNegoContext.GSS_initSecContext(SpNegoContext.java:851)
at sun.security.jgss.spnego.SpNegoContext.initSecContext(SpNegoContext.java:309)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:230)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:162)
at org.apache.http.impl.auth.GGSSchemeBase.generateGSSToken(GGSSchemeBase.java:99)
at org.apache.http.impl.auth.SPNegoScheme.generateToken(SPNegoScheme.java:80)
at org.apache.http.impl.auth.GGSSchemeBase.authenticate(GGSSchemeBase.java:155)
at org.apache.http.impl.auth.SPNegoScheme.authenticate(SPNegoScheme.java:75)
at org.apache.http.client.protocol.RequestAuthenticationBase.authenticate(RequestAuthenticationBase.java:125)
at org.apache.http.client.protocol.RequestAuthenticationBase.process(RequestAuthenticationBase.java:83)
at org.apache.http.client.protocol.RequestTargetAuthentication.process(RequestTargetAuthentication.java:80)
at org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:109)
at org.apache.http.protocol.HttpRequestExecutor.preProcess(HttpRequestExecutor.java:176)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:516)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
at mypackage.ClientKerberosAuthentication.main(ClientKerberosAuthentication.java:152)
Caused by: KrbException: Identifier doesn't match expected value (906)
at sun.security.krb5.internal.KDCRep.init(KDCRep.java:133)
at sun.security.krb5.internal.TGSRep.init(TGSRep.java:58)
at sun.security.krb5.internal.TGSRep.<init>(TGSRep.java:53)
at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:46)
... 25 more
----------------------------------------
HTTP/1.1 401 Unauthorized
----------------------------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Draft//EN">
<HTML>
<HEAD>
<TITLE>Error 401--Unauthorized</TITLE>
</HEAD>
<BODY bgcolor="white">
<FONT FACE=Helvetica><BR CLEAR=all>
<TABLE border=0 cellspacing=5><TR><TD><BR CLEAR=all>
<FONT FACE="Helvetica" COLOR="black" SIZE="3"><H2>Error 401--Unauthorized</H2>
</FONT></TD></TR>
</TABLE>
<TABLE border=0 width=100% cellpadding=10><TR><TD VALIGN=top WIDTH=100% BGCOLOR=white><FONT FACE="Courier New"><FONT FACE="Helvetica" SIZE="3"><H3>From RFC 2068 <i>Hypertext Transfer Protocol -- HTTP/1.1</i>:</H3>
</FONT><FONT FACE="Helvetica" SIZE="3"><H4>10.4.2 401 Unauthorized</H4>
</FONT><P><FONT FACE="Courier New">The request requires user authentication. The response MUST include a WWW-Authenticate header field (section 14.46) containing a challenge applicable to the requested resource. The client MAY repeat the request with a suitable Authorization header field (section 14.8). If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. If the 401 response contains the same challenge as the prior response, and the user agent has already attempted authentication at least once, then the user SHOULD be presented the entity that was given in the response, since that entity MAY include relevant diagnostic information. HTTP access authentication is explained in section 11.</FONT></P>
</FONT></TD></TR>
</TABLE>
</BODY>
</HTML>
----------------------------------------
Я написал на альтернативное решение для этого здесь: http://stackoverflow.com/a/22865583/381161 –