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https://gitlab.com/libvirt/libvirt.git
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f45c97eac2
Firstly, there's no reason to enumerate all XATTRs since they differ only in the prefix and we can construct them in a loop. Secondly, and more importantly, the script was still looking for just one prefix "trusted.libvirt.security" even on FreeBSD. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
97 lines
2.0 KiB
Bash
Executable File
97 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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function die {
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echo $@ >&2
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exit 1
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}
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function show_help {
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cat << EOF
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Usage: ${0##*/} -[hqn] [PATH]
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Clear out any XATTRs set by libvirt on all files that have them.
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The idea is to reset refcounting, should it break.
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-h display this help and exit
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-q quiet (don't print which files are being fixed)
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-n dry run; don't remove any XATTR just report the file name
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PATH can be specified to refine search to only to given path
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instead of whole root ('/'), which is the default.
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EOF
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}
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QUIET=0
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DRY_RUN=0
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DIR="/"
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# So far only qemu and lxc drivers use security driver.
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URI=("qemu:///system"
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"lxc:///system")
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# On Linux we use 'trusted' namespace, on FreeBSD we use 'system'
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# as there is no 'trusted'.
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LIBVIRT_XATTR_PREFIXES=("trusted.libvirt.security"
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"system.libvirt.security")
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if [ `whoami` != "root" ]; then
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die "Must be run as root"
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fi
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while getopts hqn opt; do
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case $opt in
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h)
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show_help
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exit 0
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;;
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q)
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QUIET=1
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;;
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n)
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DRY_RUN=1
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;;
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*)
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show_help >&2
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exit 1
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -gt 0 ]; then
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DIR=$1
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fi
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if [ ${DRY_RUN} -eq 0 ]; then
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for u in ${URI[*]} ; do
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if [ -n "`virsh -q -c $u list 2>/dev/null`" ]; then
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die "There are still some domains running for $u"
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fi
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done
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fi
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declare -a XATTRS
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for i in "dac" "selinux"; do
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for p in ${LIBVIRT_XATTR_PREFIXES[@]}; do
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XATTRS+=("$p.$i" "$p.ref_$i")
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done
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done
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for p in ${LIBVIRT_XATTR_PREFIXES[*]}; do
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for i in $(getfattr -R -d -m ${p} --absolute-names ${DIR} 2>/dev/null | grep "^# file:" | cut -d':' -f 2); do
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echo $i;
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if [ ${DRY_RUN} -ne 0 ]; then
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getfattr -d -m $p --absolute-names $i | grep -v "^# file:"
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continue
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fi
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if [ ${QUIET} -eq 0 ]; then
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echo "Fixing $i";
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fi
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for x in ${XATTRS[*]}; do
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setfattr -x $x $i
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done
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done
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done
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