jjiang037 opened a new pull request, #6085:
URL: https://github.com/apache/hive/pull/6085
…rberos users
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### What changes were proposed in this pull request?
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This PR adds the capability to apply LDAP group filters to
Kerberos-authenticated users in both HS2 and HMS.
Key changes:
1. New configuration:
hive.server2.authentication.ldap.enableGroupCheckAfterKerberos (default: false)
to enable LDAP filtering for Kerberos users
2. LdapGroupCallbackHandler: New SASL callback handler that intercepts
Kerberos authentication and applies existing LDAP filters (userSearchFilter,
groupSearchFilter, customLDAPQuery, userFilter, groupFilter)
3. HadoopThriftAuthBridge enhancement: Modified to accept custom callback
handlers for both HMS and HiveServer2
4. ThriftHttpServlet enhancement: Added LDAP filter enforcement for HTTP
transport mode
5. Filter reuse: Leverages LdapAuthenticationProviderImpl.resolveFilter() to
ensure consistent filter resolution across authentication methods
### Why are the changes needed?
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Currently, Hive has an authorization inconsistency:
1. Users authenticating via LDAP are subject to LDAP group filters
2. Users authenticating via Kerberos bypass these filters entirely
This creates security and operational issues. This PR is created for fixing
these issues.
### Does this PR introduce _any_ user-facing change?
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Yes. This PR introduces a new optional configuration parameter.
Previous behavior: Kerberos-authenticated users bypass all LDAP group
filters.
New behavior: When
hive.server2.authentication.ldap.enableGroupCheckAfterKerberos=true:
1. Kerberos-authenticated users must pass configured LDAP filters
2. Requires valid LDAP bind credentials
3. Applies to both HiveServer2 and HMS
4. Does not affect proxy users
### How was this patch tested?
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ut, regression tests, functional tests
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