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#!/bin/sh
set -e
# Alternatively this check can be disabled by preseeding:
# echo "iproute2/setcaps boolean false" | debconf-set-selections
. /usr/share/debconf/confmodule
case "$1" in
configure)
if command -v setcap > /dev/null; then
db_get iproute2/setcaps
# Allow dpkg-reconfigure to remove caps
if test "$RET" = "true"; then
if ! setcap "cap_dac_override,cap_bpf,cap_net_admin=ep" /bin/ip; then
echo "Setcap failed on /bin/ip, ip vrf exec will not be runnable by non-root" >&2
fi
else
# setcap -r fails if the xattr is not present
if getcap /bin/ip | grep -qs "/bin/ip"; then
if ! setcap "-r" /bin/ip; then
echo "Setcap -r failed on /bin/ip, could not remove capabilities" >&2
fi
fi
fi
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
# TODO: drop in forky
if [ "$1" = "configure" ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt 6.5.0-4~; then
# If any of the config files that used to ship in /etc before were modified
# locally, then try to copy them back as overrides, but don't fail if it
# cannot be done for any weird reason, as is it not crucial for iproute2's
# functionality
for f in /etc/iproute2/group /etc/iproute2/rt_realms /etc/iproute2/rt_scopes /etc/iproute2/rt_tables /etc/iproute2/rt_tables.d/README /etc/iproute2/rt_protos.d/README /etc/iproute2/rt_protos /etc/iproute2/rt_dsfield /etc/iproute2/nl_protos /etc/iproute2/ematch_map /etc/iproute2/bpf_pinning; do
if [ -f "${f}.dpkg-bak" ]; then
mv "${f}.dpkg-bak" "${f}" || true
fi
done
if [ -d /etc/iproute2/rt_protos.d/ ]; then
rmdir --ignore-fail-on-non-empty /etc/iproute2/rt_protos.d
fi
if [ -d /etc/iproute2/rt_tables.d/ ]; then
rmdir --ignore-fail-on-non-empty /etc/iproute2/rt_tables.d
fi
if [ -d /etc/iproute2/ ]; then
rmdir --ignore-fail-on-non-empty /etc/iproute2
fi
fi
exit 0
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