PKIRealm delegation unsupported without a truststore #45011
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albertzaharovits
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:Security/Authentication
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Jul 31, 2019
x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/pki/PkiRealm.java
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…ecurity/authc/pki/PkiRealm.java Co-Authored-By: Yogesh Gaikwad <902768+bizybot@users.noreply.github.com>
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…tion-without-trustore
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In the usual scenario, where the
PKIRealmworks without delegation, a trust configuration is not required at the realm settings scope. In this case the client's certificate chain has been validated by the TLS channel (HTTP), and the realm does not enforce any other extra chain validations. In this case the client's certificate is considered authenticated by the realm.This no-op validation, without a trust configuration at the realm level, is incompatible with the delegation use-case. This commit adds a constructor check to the
PKIRealmthat will forbid togglingdelegation.enabledwithout also setting a truststore. Otherwise, the delegation feature would not work at run-time (all API calls will be un-authorized).Thanks Tim for pointing out this problem to me!
Relates #34396