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KAFKA-18064: SASL mechanisms that do support neihter integrity nor co… #17901

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@stoty stoty commented Nov 21, 2024

…nfidentality should throw exception on wrap/unwrap

The current implementation does not implement wrap/unwrap correctly.
This may cause security issues, if the code using the mechanisms does
not check for QOP correctly.

No testing done, if this breaks something, then calling code must be fixed.

Committer Checklist (excluded from commit message)

  • Verify design and implementation
  • Verify test coverage and CI build status
  • Verify documentation (including upgrade notes)

…nfidentality should throw exception on wrap/unwrap
@github-actions github-actions bot added clients small Small PRs labels Nov 21, 2024
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Thanks for the PR! Left some comments

if (!isComplete())
throw new IllegalStateException("Authentication exchange has not completed");
return Arrays.copyOfRange(incoming, offset, offset + len);
throw new IllegalStateException("Mechanism does not support integrity nor confidentality");
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Should we perhaps alter the message within IllegalStateException depending on whether the authentication is completed or not and add the name of the mechanism as well? Similar to how the JDK implementation does it for PlainClient

if (!isComplete())
throw new IllegalStateException("Authentication exchange has not completed");
return Arrays.copyOfRange(outgoing, offset, offset + len);
throw new IllegalStateException("Mechanism does not support integrity nor confidentality");
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I think you missed the change in OAuthBearerSaslServer

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2 participants