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bug#10311: RFE: Give chmod a "-h" option as well

From: Jan Engelhardt
Subject: bug#10311: RFE: Give chmod a "-h" option as well
Date: Fri, 16 Dec 2011 17:29:46 +0100 (CET)
User-agent: Alpine 2.01 (LNX 1266 2009-07-14)


chown(1) has a -h option by which it affects symlinks directly rather
than the pointed-to file. The bonus side effect is that the
pointed-to files don't get changed in any way, which is kinda welcome
if you attempt to "fix" permissions/ownership in a directory where an
evil user could create a symlink to e.g. /etc/shadow.

Attempting chmod -R g+w /home/groups/evilgroup is still a risk, and
would necessity a more long-winded command involving find(1). It
would therefore be welcome that chmod receive an -h option that just
skips over them (besides perhaps attempting to change their
permissions as well).

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