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问题：

使用Kerberos SPNEGO配置Tomcat SSO

蓬宾白
2023-03-14

我正在尝试使用Kerberos在Tomcat9（使用SDK8)中配置SSO。我的环境都在Windows Server 2016 VMS中：-

    null
    null 
setspn -l forestgump.internal\tomcat
        Registered ServicePrincipalNames for CN=tomcat,CN=Users,DC=forestgump,DC=internal:
        HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
        HTTP/windowstomcat@FORESTGUMP.INTERNAL
        HTTP/windowstomcat
        HTTP/windowstomcat.forestgump.internal

ktpass /out c:\tomcat.keytab /mapuser TOMCAT@FORESTGUMP.INTERNAL /princ HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL /pass Passw0rd! /kvno 0 -crypto ALL -ptype KRB5_NT_PRINCIPAL

在tomcat服务器中，我创建了文件。/tomcat-9/conf/krb5.ini

    [libdefaults]
default_realm = FORESTGUMP.INTERNAL
default_keytab_name = "C:\opt\tomcat-9\conf\tomcat.keytab"
default_tkt_enctypes = rc4-hmac,aes256-cts-hmac-sha1-96,aes128-cts-hmac-sha1-96
default_tgs_enctypes = rc4-hmac,aes256-cts-hmac-sha1-96,aes128-cts-hmac-sha1-96
forwardable=true

[realms]
forestgump.internal = {
        kdc = server2016.forestgump.internal:88
}

[domain_realm]
forestgump.internal= FORESTGUMP.INTERNAL
.forestgump.internal= FORESTGUMP.INTERNAL

我创建了文件。/tomcat-9/conf/jass.conf

com.sun.security.jgss.krb5.initiate {
com.sun.security.auth.module.Krb5LoginModule required
doNotPrompt=true
principal="HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL"
keyTab="c:/opt/tomcat-9/conf/tomcat.keytab"
useKeyTab=true
storeKey=true;
debug=true;
};
com.sun.security.jgss.krb5.accept {
com.sun.security.auth.module.Krb5LoginModule required
doNotPrompt=true
principal="HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL"
keyTab="c:/opt/tomcat-9/conf/tomcat.keytab"
useKeyTab=true
storeKey=true;
debug=true;
};

到目前为止，在我找到的所有教程中，它都是相当一致的。从现在开始，far west和我对tomcat和java开发知识的缺乏对我没有帮助。我更改了默认的tomcat-9/conf/server.xml，为AD LDAP添加了一个领域

      <Realm className="org.apache.catalina.realm.LockOutRealm">
      <!-- This Realm uses the UserDatabase configured in the global JNDI
         resources under the key "UserDatabase".  Any edits
         that are performed against this UserDatabase are immediately
         available for use by the Realm.  -->
      <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase" />

      <Realm className="org.apache.catalina.realm.JNDIRealm" connectionURL="ldap://server2016.forestgump.internal:389" authentication="simple" referrals="follow" connectionName="CN=tomcat,CN=Users,DC=forestgump,DC=internal" connectionPassword="Passw0rd!" userSearch="(sAMAccountName={0})" userBase="CN=Users,DC=forestgump,DC=internal" userSubtree="true" roleSearch="(member={0})" roleName="cn" roleSubtree="true" roleBase="cn=Builtin,DC=forestgump,DC=internal" />
      </Realm>
    null
    null 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>AUTH test</title>
</head>
<body>
<h1>Hello World!</h1>
<p>auth type: <%=request.getAuthType()%> </p>
<p>remote user: <%=request.getRemoteUser() %> </p>
<p>principal: <%=request.getUserPrincipal() %></p>
<p>name: <%= (request.getUserPrincipal()!=null)?request.getUserPrincipal().getName():"NO PRINCIPAL" %></p>
</body>
</html>

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
    version="4.0"
    metadata-complete="true">

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <security-constraint>
        <web-resource-collection>
            <web-resource-name>Web Resource - Allow GET method</web-resource-name>

            <url-pattern>/*</url-pattern>

            <http-method>GET</http-method>
        </web-resource-collection>

        <auth-constraint>
            <role-name>CN=Users,DC=forestgump,DC=internal</role-name>
        </auth-constraint>
    </security-constraint>

    <security-role>
        <role-name>CN=Users,DC=forestgump,DC=internal</role-name>
    </security-role>

    <login-config>
        <auth-method>SPNEGO</auth-method>
        <realm-name>FORESTGUMP.INTERNAL</realm-name>
    </login-config>
</web-app>

context.xml

<?xml version="1.0" encoding="UTF-8"?>
<Context antiJARLocking="true" path="/spnego">
<!-- valve will be explicitly created when SPNEGO is used,
 this is to declare additional attributes -->
  <Valve className="org.apache.catalina.authenticator.SpnegoAuthenticator" 
  alwaysUseSession="true" cache="true"  />
</Context>

在客户机vm中，我使用了IE、Firefox（配置为network.negotiate-auth.development-uris=windowstomcat.forestgump.internal和network.negotiate-authent-tester.aspx）和Kerberos身份验证客户机(http://blog.michelbarneveld.nl/michel/archive/2009/12/05/kerberos-authentication-tester.aspx)

浏览器的结果总是401，而Kerberos测试器的结果总是500。

08-May-2020 14:51:46.294 SEVERE [http-nio-8080-exec-4] org.apache.catalina.core.StandardHostValve.invoke Exception Processing /TomcatHelloWorld/
    java.lang.SecurityException: java.io.IOException: Configuration Error:
    Line 8: expected [controlFlag]
        at sun.security.provider.ConfigFile$Spi.<init>(ConfigFile.java:137)
        at sun.security.provider.ConfigFile.<init>(ConfigFile.java:102)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        at javax.security.auth.login.Configuration$2.run(Configuration.java:255)
        at javax.security.auth.login.Configuration$2.run(Configuration.java:247)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.login.Configuration.getConfiguration(Configuration.java:246)
        at javax.security.auth.login.LoginContext$1.run(LoginContext.java:245)
        at javax.security.auth.login.LoginContext$1.run(LoginContext.java:243)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.login.LoginContext.init(LoginContext.java:243)
        at javax.security.auth.login.LoginContext.<init>(LoginContext.java:348)
        at org.apache.catalina.authenticator.SpnegoAuthenticator.doAuthenticate(SpnegoAuthenticator.java:196)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:631)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
    Caused by: java.io.IOException: Configuration Error:
    Line 8: expected [controlFlag]
        at sun.security.provider.ConfigFile$Spi.ioException(ConfigFile.java:666)
        at sun.security.provider.ConfigFile$Spi.match(ConfigFile.java:572)
        at sun.security.provider.ConfigFile$Spi.parseLoginEntry(ConfigFile.java:454)
        at sun.security.provider.ConfigFile$Spi.readConfig(ConfigFile.java:427)
        at sun.security.provider.ConfigFile$Spi.init(ConfigFile.java:329)
        at sun.security.provider.ConfigFile$Spi.init(ConfigFile.java:271)
        at sun.security.provider.ConfigFile$Spi.<init>(ConfigFile.java:135)
        ... 31 more

11-May-2020 14:38:55.976 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [897] milliseconds
Debug is  true storeKey true useTicketCache false useKeyTab true doNotPrompt true ticketCache is null isInitiator true KeyTab is c:/opt/tomcat-9/conf/tomcat.keytab refreshKrb5Config is false principal is HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL tryFirstPass is false useFirstPass is false storePass is false clearPass is false
>>> KeyTabInputStream, readName(): FORESTGUMP.INTERNAL
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): windowstomcat.forestgump.internal
>>> KeyTab: load() entry length: 85; type: 1
>>> KeyTabInputStream, readName(): FORESTGUMP.INTERNAL
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): windowstomcat.forestgump.internal
>>> KeyTab: load() entry length: 85; type: 3
>>> KeyTabInputStream, readName(): FORESTGUMP.INTERNAL
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): windowstomcat.forestgump.internal
>>> KeyTab: load() entry length: 93; type: 23
>>> KeyTabInputStream, readName(): FORESTGUMP.INTERNAL
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): windowstomcat.forestgump.internal
>>> KeyTab: load() entry length: 109; type: 18
>>> KeyTabInputStream, readName(): FORESTGUMP.INTERNAL
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): windowstomcat.forestgump.internal
>>> KeyTab: load() entry length: 93; type: 17
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Java config name: C:\opt\tomcat-9\conf\krb5.ini
Loaded from Java config
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
>>> KdcAccessibility: reset
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
default etypes for default_tkt_enctypes: 23 18 17.
>>> KrbAsReq creating message
getKDCFromDNS using UDP
>>> KrbKdcReq send: kdc=server2016.forestgump.internal. UDP:88, timeout=30000, number of retries =3, #bytes=190
>>> KDCCommunication: kdc=server2016.forestgump.internal. UDP:88, timeout=30000,Attempt =1, #bytes=190
>>> KrbKdcReq send: #bytes read=238
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = FORESTGUMP.INTERNALHTTPwindowstomcat.forestgump.internal, s2kparams = null
         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

>>> KdcAccessibility: remove server2016.forestgump.internal.:88
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
         sTime is Mon May 11 14:39:04 NZST 2020 1589164744000
         suSec is 480933
         error code is 25
         error Message is Additional pre-authentication required
         sname is krbtgt/FORESTGUMP.INTERNAL@FORESTGUMP.INTERNAL
         eData provided.
         msgType is 30
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = FORESTGUMP.INTERNALHTTPwindowstomcat.forestgump.internal, s2kparams = null
         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

KrbAsReqBuilder: PREAUTH FAILED/REQ, re-send AS-REQ
default etypes for default_tkt_enctypes: 23 18 17.
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
default etypes for default_tkt_enctypes: 23 18 17.
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>> KrbAsReq creating message
getKDCFromDNS using UDP
>>> KrbKdcReq send: kdc=server2016.forestgump.internal. UDP:88, timeout=30000, number of retries =3, #bytes=279
>>> KDCCommunication: kdc=server2016.forestgump.internal. UDP:88, timeout=30000,Attempt =1, #bytes=279
>>> KrbKdcReq send: #bytes read=110
>>> KrbKdcReq send: kdc=server2016.forestgump.internal. TCP:88, timeout=30000, number of retries =3, #bytes=279
>>> KDCCommunication: kdc=server2016.forestgump.internal. TCP:88, timeout=30000,Attempt =1, #bytes=279
>>>DEBUG: TCPClient reading 1694 bytes
>>> KrbKdcReq send: #bytes read=1694
>>> KdcAccessibility: remove server2016.forestgump.internal.:88
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>> KrbAsRep cons in KrbAsReq.getReply HTTP/windowstomcat.forestgump.internal
principal is HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Will use keytab
Commit Succeeded

Search Subject for SPNEGO ACCEPT cred (<<DEF>>, sun.security.jgss.spnego.SpNegoCredElement)
Search Subject for Kerberos V5 ACCEPT cred (<<DEF>>, sun.security.jgss.krb5.Krb5AcceptCredential)
Found KeyTab c:\opt\tomcat-9\conf\tomcat.keytab for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found KeyTab c:\opt\tomcat-9\conf\tomcat.keytab for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found ticket for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL to go to krbtgt/FORESTGUMP.INTERNAL@FORESTGUMP.INTERNAL expiring on Tue May 12 00:39:04 NZST 2020
Entered SpNegoContext.acceptSecContext with state=STATE_NEW
SpNegoContext.acceptSecContext: receiving token = a0 8..
SpNegoToken NegTokenInit: reading Mechanism Oid = 1.2.840.113554.1.2.2
SpNegoToken NegTokenInit: reading Mechanism Oid = 1.2.840.48018.1.2.2
SpNegoToken NegTokenInit: reading Mechanism Oid = 1.3.6.1.4.1.311.2.2.30
SpNegoToken NegTokenInit: reading Mechanism Oid = 1.3.6.1.4.1.311.2.2.10
SpNegoToken NegTokenInit: reading Mech Token
SpNegoContext.acceptSecContext: received token of type = SPNEGO NegTokenInit
SpNegoContext: negotiated mechanism = 1.2.840.113554.1.2.2
Entered Krb5Context.acceptSecContext with state=STATE_NEW
Looking for keys for: HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
Found unsupported keytype (1) for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
Using builtin default etypes for permitted_enctypes
default etypes for permitted_enctypes: 18 17 16 23.
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
MemoryCache: add 1589164744/000073/52EB3DFA8A4B8EADDCE4B0019A0968EE/Administrator@FORESTGUMP.INTERNAL to Administrator@FORESTGUMP.INTERNAL|HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL
>>> KrbApReq: authenticate succeed.
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>>Delegated Creds have pname=Administrator@FORESTGUMP.INTERNAL sname=krbtgt/FORESTGUMP.INTERNAL@FORESTGUMP.INTERNAL authtime=null starttime=20200511023904Z endtime=20200511123904ZrenewTill=20200518023904Z
Krb5Context setting peerSeqNumber to: 1464367068
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
Krb5Context setting mySeqNumber to: 206741889
...
Search Subject for Kerberos V5 INIT cred (<<DEF>>, sun.security.jgss.krb5.Krb5InitCredential)
Found ticket for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL to go to krbtgt/FORESTGUMP.INTERNAL@FORESTGUMP.INTERNAL expiring on Tue May 12 00:39:04 NZST 2020
Entered Krb5Context.initSecContext with state=STATE_NEW
Found ticket for HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL to go to krbtgt/FORESTGUMP.INTERNAL@FORESTGUMP.INTERNAL expiring on Tue May 12 00:39:04 NZST 2020
Service ticket not found in the subject
>>> Credentials acquireServiceCreds: same realm
default etypes for default_tgs_enctypes: 23 18 17.
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
>>> CksumType: sun.security.krb5.internal.crypto.HmacMd5ArcFourCksumType
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
getKDCFromDNS using UDP
>>> KrbKdcReq send: kdc=server2016.forestgump.internal. TCP:88, timeout=30000, number of retries =3, #bytes=1622
>>> KDCCommunication: kdc=server2016.forestgump.internal. TCP:88, timeout=30000,Attempt =1, #bytes=1622
>>>DEBUG: TCPClient reading 1598 bytes
>>> KrbKdcReq send: #bytes read=1598
>>> KdcAccessibility: remove server2016.forestgump.internal.:88
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
>>> KrbApReq: APOptions are 00100000 00000000 00000000 00000000
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
Krb5Context setting mySeqNumber to: 905416011
Created InitSecContextToken:
0000: 01 00 6E 82 05 DF 30 82   05 DB A0 03 02 01 05 A1  ..n...0.........
.....
05D0: BE 28 08 00 6F FC 45 DC   0D 90 93 E9 60 46 CC 81  .(..o.E.....`F..
05E0: 51 D8 99 06 16                                     Q....

Entered Krb5Context.initSecContext with state=STATE_IN_PROCESS
>>> EType: sun.security.krb5.internal.crypto.ArcFourHmacEType
Krb5Context setting peerSeqNumber to: 1474518462
                [Krb5LoginModule]: Entering logout
                [Krb5LoginModule]: logged out Subject

ksetup /setenctypeattr FQDN>forestgump.internal RC4-HMAC-MD5 AES128-CTS-HMAC-SHA1-96 AES256-CTS-HMAC-SHA1-96

无法确定配置错误

共有1个答案

宰父跃
2023-03-14

问题似乎是jaas.conf中的分号：

com.sun.security.jgss.krb5.initiate {
com.sun.security.auth.module.Krb5LoginModule required
doNotPrompt=true
principal="HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL"
keyTab="c:/opt/tomcat-9/conf/tomcat.keytab"
useKeyTab=true
storeKey=true;
debug=true;
};
com.sun.security.jgss.krb5.accept {
com.sun.security.auth.module.Krb5LoginModule required
doNotPrompt=true
principal="HTTP/windowstomcat.forestgump.internal@FORESTGUMP.INTERNAL"
keyTab="c:/opt/tomcat-9/conf/tomcat.keytab"
useKeyTab=true
storeKey=true;
debug=true;
};

删除storekey=true后的分号。因此，debug=true；被解释为它自己的条目，但它不是--它只是一个属性。

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