[stable20] fix potential unwarranted memberships in nested groups from LDAP #30342
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backportbot-nextcloud
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PVince81,
artonge,
blizzz,
come-nc,
juliusknorr and
skjnldsv
skjnldsv
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Dec 21, 2021
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/rebase |
- the issue was present only when using PHP based resolving of nested group members. Normally nested members are common in AD (and Samba4) and are resolved per LDAP_MATCHING_RULE_IN_CHAIN by default - resolving nested members is recursive - when the cache entry was created it happend for intermediate groups, too, containing members from the parent group - the check was added to only cache the root group with its members - a runtime cache stores intermediate ldap read results Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
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backport of #29329