[plan][java][python] Reject unsafe Bash redirects - #1079
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Thanks for taking this on, @linhongyu510. The overall direction looks good to me. Could you rebase onto main first though — #1083 landed in the same part of the validator and conflicts with this branch.
Reject file redirects by default while preserving file-descriptor duplication and closure. Block execution-changing environment assignments consistently across Java and Python, add regression coverage, and document the tightened security contract. Refs apache#1004 Generated-by: TRAE (proprietary model)
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Thanks for addressing my comments. LGTM
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Generated-by: TRAE (proprietary model) Co-authored-by: linhongyu510 <[email protected]> (cherry picked from commit ce89ead)
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Linked issue #1004.
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