chenjianhu created a merge request:
https://gitlab.com/gnutls/gnutls/-/merge_requests/1997
Project:Branches: cjhxmx/gnutls:gnutls-pr to gnutls/gnutls:master
Author: chenjianhu
* X509:Fix incorrect handling in name constraints merging
As mentioned in commit ca573d65 ("x509: Fix asymmetry in name
constraints intersection", 2016-07-29), the
_gnutls_name_constraints_intersect function exhibited an
asymmetry in name constraints intersection behavior, specifically
manifested as:
1. Nodes of unique types in PERMITTED (absent in PERMITTED2) were
preserved
2. Nodes of unique types in PERMITTED2 (absent in PERMITTED) were
discarded
A 'used' flag was introduced, where if a node from PERMITTED2 was
not used for the intersection, it would be copied to PERMITTED.
However,an unresolved edge case persisted:
- When 'removed.size > 0', the 'used' flag was unconditionally set
to 1
- This prevented copying of PERMITTED2 nodes with unique types
Signed-off-by: chenjianhu <chenjia...@kylinos.cn>
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