D14467: Auth Support: Drop privileges if target is not owned by root

[Chinmoy Ranjan Pradhan]

chinmoyr created this revision.
chinmoyr added reviewers: dfaure, ngraham.
Restricted Application added a project: Frameworks.
Restricted Application added a subscriber: kde-frameworks-devel.
chinmoyr requested review of this revision.

REVISION SUMMARY
  For actions chown, chmod and utime, process' user and group id will be
  set to target's owner and group id and for other actions it will be set
  to owner and group id target's parent directory.
  
  As a special case, for rename action the owner and group id of parent dir
  of the new file is also checked. If it's same as target's then privileges
  are dropped accordingly otherwise privileges are preserved

REPOSITORY
  R241 KIO

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D14467

AFFECTED FILES
  src/ioslaves/file/kauth/filehelper.cpp

To: chinmoyr, dfaure, ngraham
Cc: kde-frameworks-devel, michaelh, ngraham, bruns
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