Active Directory - Hortonworks 跨领域信任建立

debugcn 发表于 Dev

阿扎德·沙特鲁

我们正在尝试为 SAS Data Loader for Hadoop (DLH) 配置 IWA。SAS 服务器在 Active Directory 域下运行并且 SSO 配置成功。我们需要配置 DLH 以使用客户端生成的票证与 Hortonworks Hadoop MIT Kerberos 对话。该功能不起作用。

所以基本上我们在 AD (ABC.COM) 和 Hadoop MIT Kerberos (xyz - Hadoop 域名没有任何 FQDN 并且都是小写字母) 2 方式信任建立方面存在问题。我们已按照以下链接（https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.0/bk_security/content/kerb-config-realm-kdc.html）配置信任，一切正常，但不知何故使用 AD 的 HTTP 票证，我们无法登录到 hadoop，我们收到以下错误消息：

com.sas.svcs.dm.hadoop.spi.exception.HadoopConfigurationException：未能找到 GSSCredential。检查 Kerberos 配置

我们已经尝试了很多故障排除方法。现在终于确定了我们有信任问题，并测试以下是要求执行的步骤。

在 SAS 服务器 (linux) 上

kinit -f HTTP/[email protected]

klist -eaf

kvno hive/xyz@xyz

如果上述所有步骤都有效，则意味着我们已启用信任

这是我们看到的错误

kvno：KDC 在获取 hive/xyz@xyz 凭据时返回错误字符串：PROCESS_TGS

和

kvno：获取 hive/xyz@xyz 凭据时解密完整性检查失败

kinit -f HTTP/[email protected] (this works fine)


# kinit -k -t xxx.host.keytab HTTP/[email protected]
[65181] 1559895039.846538: Getting initial credentials for HTTP/[email protected]
[65181] 1559895039.846539: Looked up etypes in keytab: des-cbc-crc, des, des-cbc-crc, rc4-hmac, aes256-cts, aes128-cts
[65181] 1559895039.846541: Sending unauthenticated request
[65181] 1559895039.846542: Sending request (220 bytes) to ABC.COM
[65181] 1559895039.846543: Sending initial UDP request to dgram 10.68.5.219:88
[65181] 1559895039.846544: Received answer (819 bytes) from dgram 10.68.5.219:88
[65181] 1559895039.846545: Response was from master KDC
[65181] 1559895039.846546: Processing preauth types: PA-ETYPE-INFO2 (19)
[65181] 1559895039.846547: Selected etype info: etype aes256-cts, salt "ABC.COMHTTPxxx.abc.com", params ""
[65181] 1559895039.846548: Produced preauth for next request: (empty)
[65181] 1559895039.846549: Getting AS key, salt "ABC.COMHTTPxxx.abc.com", params ""
[65181] 1559895039.846550: Retrieving HTTP/[email protected] from FILE:xxx.host.keytab (vno 0, enctype aes256-cts) with result: 0/Success
[65181] 1559895039.846551: AS key obtained from gak_fct: aes256-cts/8AEB
[65181] 1559895039.846552: Decrypted AS reply; session key is: aes256-cts/E734
[65181] 1559895039.846553: FAST negotiation: unavailable
[65181] 1559895039.846554: Initializing FILE:/tmp/krb5cc_0 with default princ HTTP/[email protected]
[65181] 1559895039.846555: Storing HTTP/[email protected] -> krbtgt/[email protected] in FILE:/tmp/krb5cc_0

##########################################################

klist -e (this shows the ticket is generated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# klist -e
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: HTTP/[email protected]

Valid starting       Expires              Service principal
06/07/2019 13:40:39  06/07/2019 13:50:39  krbtgt/[email protected]
        Etype (skey, tkt): aes256-cts-hmac-sha1-96, aes256-cts-hmac-sha1-96

###########################################################


kvno hive/xyz@xyz (this command fails)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# kvno hive/xyz@xyz
[65247] 1559895064.242178: Getting credentials HTTP/[email protected] -> hive/xyz@xyz using ccache FILE:/tmp/krb5cc_0
[65247] 1559895064.242179: Retrieving HTTP/[email protected] -> hive/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[65247] 1559895064.242180: Retrieving HTTP/[email protected] -> krbtgt/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[65247] 1559895064.242181: Retrieving HTTP/[email protected] -> krbtgt/[email protected] from FILE:/tmp/krb5cc_0 with result: 0/Success
[65247] 1559895064.242182: Starting with TGT for client realm: HTTP/[email protected] -> krbtgt/[email protected]
[65247] 1559895064.242183: Retrieving HTTP/[email protected] -> krbtgt/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[65247] 1559895064.242184: Requesting TGT krbtgt/[email protected] using TGT krbtgt/[email protected]
[65247] 1559895064.242185: Generated subkey for TGS request: aes256-cts/C142
[65247] 1559895064.242186: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[65247] 1559895064.242188: Encoding request body and padata into FAST request
[65247] 1559895064.242189: Sending request (1001 bytes) to ABC.COM
[65247] 1559895064.242190: Sending initial UDP request to dgram 10.68.5.219:88
[65247] 1559895064.242191: Received answer (873 bytes) from dgram 10.68.5.219:88
[65247] 1559895064.242192: Response was from master KDC
[65247] 1559895064.242193: Decoding FAST response
[65247] 1559895064.242194: FAST reply key: aes256-cts/9192
[65247] 1559895064.242195: TGS reply is for HTTP/[email protected] -> krbtgt/[email protected] with session key des-cbc-crc/330F
[65247] 1559895064.242196: TGS request result: 0/Success
[65247] 1559895064.242197: Storing HTTP/[email protected] -> krbtgt/[email protected] in FILE:/tmp/krb5cc_0
[65247] 1559895064.242198: Received TGT for service realm: krbtgt/[email protected]
[65247] 1559895064.242199: Requesting tickets for hive/xyz@xyz, referrals on
[65247] 1559895064.242200: Generated subkey for TGS request: des-cbc-crc/FB8F
[65247] 1559895064.242201: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[65247] 1559895064.242203: Encoding request body and padata into FAST request
[65247] 1559895064.242204: Sending request (935 bytes) to xyz
[65247] 1559895064.242205: Resolving hostname xyz
[65247] 1559895064.242206: Sending initial UDP request to dgram 10.68.166.7:88
[65247] 1559895064.242207: Received answer (138 bytes) from dgram 10.68.166.7:88
[65247] 1559895064.242208: Response was not from master KDC
[65247] 1559895064.242209: TGS request result: -1765328324/KDC returned error string: PROCESS_TGS
[65247] 1559895064.242210: Requesting tickets for hive/xyz@xyz, referrals off
[65247] 1559895064.242211: Generated subkey for TGS request: des-cbc-crc/01C2
[65247] 1559895064.242212: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[65247] 1559895064.242214: Encoding request body and padata into FAST request
[65247] 1559895064.242215: Sending request (935 bytes) to xyz
[65247] 1559895064.242216: Resolving hostname xyz
[65247] 1559895064.242217: Sending initial UDP request to dgram 10.68.166.7:88
[65247] 1559895064.242218: Received answer (138 bytes) from dgram 10.68.166.7:88
[65247] 1559895064.242219: Response was not from master KDC
[65247] 1559895064.242220: TGS request result: -1765328324/KDC returned error string: PROCESS_TGS
kvno: KDC returned error string: PROCESS_TGS while getting credentials for hive/xyz@xyz

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@


Also just for troubleshooting I add enctypes on my AD server using the following command:

ksetup /SetEncTypeAttr xyz DES-CBC-CRC DES-CBC-MD5 RC4-HMAC-MD5 AES128-CTS-HMAC-SHA1-96 AES256-CTS-HMAC-SHA1-96

So, after running the above command when I try to run the kvno command, my error message changes 

:from 

kvno: KDC returned error string: PROCESS_TGS while getting credentials for hive/xyz@xyz

:to

kvno: Decrypt integrity check failed while getting credentials for hive/xyz@xyz

full kvno cmmand trace is as below:

# kvno hive/xyz@xyz
[128763] 1559917554.849763: Getting credentials HTTP/[email protected] -> hive/xyz@xyz using ccache FILE:/tmp/krb5cc_0
[128763] 1559917554.849764: Retrieving HTTP/[email protected] -> hive/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[128763] 1559917554.849765: Retrieving HTTP/[email protected] -> krbtgt/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[128763] 1559917554.849766: Retrieving HTTP/[email protected] -> krbtgt/[email protected] from FILE:/tmp/krb5cc_0 with result: 0/Success
[128763] 1559917554.849767: Starting with TGT for client realm: HTTP/[email protected] -> krbtgt/[email protected]
[128763] 1559917554.849768: Retrieving HTTP/[email protected] -> krbtgt/xyz@xyz from FILE:/tmp/krb5cc_0 with result: -1765328243/Matching credential not found (filename: /tmp/krb5cc_0)
[128763] 1559917554.849769: Requesting TGT krbtgt/[email protected] using TGT krbtgt/[email protected]
[128763] 1559917554.849770: Generated subkey for TGS request: aes256-cts/4F0F
[128763] 1559917554.849771: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[128763] 1559917554.849773: Encoding request body and padata into FAST request
[128763] 1559917554.849774: Sending request (1022 bytes) to ABC.COM
[128763] 1559917554.849775: Sending initial UDP request to dgram 10.68.5.219:88
[128763] 1559917554.849776: Received answer (969 bytes) from dgram 10.68.5.219:88
[128763] 1559917554.849777: Response was from master KDC
[128763] 1559917554.849778: Decoding FAST response
[128763] 1559917554.849779: FAST reply key: aes256-cts/944C
[128763] 1559917554.849780: TGS reply is for HTTP/[email protected] -> krbtgt/[email protected] with session key aes256-cts/B3D3
[128763] 1559917554.849781: TGS request result: 0/Success
[128763] 1559917554.849782: Storing HTTP/[email protected] -> krbtgt/[email protected] in FILE:/tmp/krb5cc_0
[128763] 1559917554.849783: Received TGT for service realm: krbtgt/[email protected]
[128763] 1559917554.849784: Requesting tickets for hive/xyz@xyz, referrals on
[128763] 1559917554.849785: Generated subkey for TGS request: aes256-cts/DF91
[128763] 1559917554.849786: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[128763] 1559917554.849788: Encoding request body and padata into FAST request
[128763] 1559917554.849789: Sending request (1013 bytes) to xyz
[128763] 1559917554.849790: Resolving hostname xyz
[128763] 1559917554.849791: Sending initial UDP request to dgram 10.68.166.7:88
[128763] 1559917554.849792: Received answer (138 bytes) from dgram 10.68.166.7:88
[128763] 1559917554.849793: Response was not from master KDC
[128763] 1559917554.849794: TGS request result: -1765328353/Decrypt integrity check failed
[128763] 1559917554.849795: Requesting tickets for hive/xyz@xyz, referrals off
[128763] 1559917554.849796: Generated subkey for TGS request: aes256-cts/34D1
[128763] 1559917554.849797: etypes requested in TGS request: aes256-cts, aes128-cts, aes256-sha2, aes128-sha2, des3-cbc-sha1, rc4-hmac, camellia128-cts, camellia256-cts, des-cbc-crc, des, des-cbc-md4
[128763] 1559917554.849799: Encoding request body and padata into FAST request
[128763] 1559917554.849800: Sending request (1013 bytes) to xyz
[128763] 1559917554.849801: Resolving hostname xyz
[128763] 1559917554.849802: Sending initial UDP request to dgram 10.68.166.7:88
[128763] 1559917554.849803: Received answer (138 bytes) from dgram 10.68.166.7:88

[128763] 1559917554.849805: TGS request result: -1765328353/Decrypt integrity check failed
kvno: Decrypt integrity check failed while getting credentials for hive/xyz@xyz

阿扎德·沙特鲁

问题在于 AD 和 Hadoop Trust 无法正常工作。所以在故障排除期间，我在 AD 上的 Hadoop 主体上添加了 enctypes。我在其中一个网站上找到了以下说明

“主体（帐户）是使用系统默认的 enctype 创建的。当您更改 enctype 时，您还必须重新创建主体，或者至少更新主体的密码。”

所以，我重置了密码

netdom trust xyz /Domain:ABC.COM /reset /realm /passwordt:xxxxXXXxxxx

另外，KVNO 在 AD 和 Hadoop 之间没有匹配，所以我在 Hadoop 端更新了 kvno

在 Hadoop 服务器上重新启动以下服务

/sbin/service krb5kdc restart /sbin/service kadmin restart

瞧……我能够运行 kvno 命令。

kinit -k -t xxx.host.keytab HTTP/[email protected]

[74264] 1561019777.500742：在文件中存储 HTTP/[email protected] -> krbtgt/[email protected]：/tmp/krb5cc_1001

klist -eaf

票据缓存：FILE:/tmp/krb5cc_1001 默认主体：HTTP/[email protected]

有效起始到期服务主体 06/20/2019 14:06:17 06/21/2019 00:06:17 krbtgt/[email protected] 更新至 06/27/2019 14:06:17，标志：FRI Etype (skey, tkt): aes256-cts-hmac-sha1-96, aes256-cts-hmac-sha1-96 地址: (none)

kvno 蜂巢/xyz@xyz

[74362] 1561019789.592571：收到所需服务 hive/xyz@xyz 的凭据 [74362] 1561019789.592572：将 HTTP/[email protected] -> hive/xyz@5mp_xyz/hive/xyz@5mp_xyz/hive/xyz@xyz/1k0rb1k0file xyz：kvno = 1

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编辑于2021-07-27

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