52 lines
1.3 KiB
Bash
52 lines
1.3 KiB
Bash
#! /bin/bash
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#
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# Copyright (C) 2009 Eric Paris <eparis@redhat.com>
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# Daniel Walsh <dwalsh@redhat.com>
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# Karel Zak <kzak@redhat.com>
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#
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# http://bugzilla.redhat.com/show_bug.cgi?id=476964
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#
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# Usage:
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# /sbin/mount.tmpfs spec dir [-sfnv] [-o options]
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#
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case $1 in
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-h|--help|-?)
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echo "mount.tmpfs is a private mount(8) wrapper for tmpfs."
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echo "Don't use it directly!"
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exit 1
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;;
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esac
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restricted=1
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if [ $UID -eq 0 ] && [ $UID -eq $EUID ]; then
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restricted=0
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fi
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# mount(8) in restricted mode (for non-root users) does not allow to use any
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# mount options, types or so on command line. We have to call mount(8) with
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# mountpoint only. All necessary options have to be defined in /etc/fstab.
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#
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# https://bugzilla.redhat.com/show_bug.cgi?id=615719
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#
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if [ $restricted -eq 1 ]; then
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exec /bin/mount -i "$2"
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fi
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# Remount with context mount options is unsupported
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# http://bugzilla.redhat.com/show_bug.cgi?id=563267
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#
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if ! echo "$@" | grep -q -E '\-o.*remount'; then
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if ! echo "$@" | grep -q -E '(fs|def|root)?context='; then
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con=$(ls --scontext -d "$2" | cut -f 1 -d ' ')
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if [ -n "$con" ] && [ "$con" != "?" ] && [ "$con" != "unlabeled" ]; then
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exec /bin/mount "$@" -o "rootcontext=\"$con\"" -i -t tmpfs
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fi
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fi
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fi
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exec /bin/mount "$@" -i -t tmpfs
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