postinst is in libsss-sudo 1.16.1-1ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #!/bin/sh
set -e
case "$1" in
configure)
ldconfig
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# This code was taken from libnss-myhostname, which got it from nss-mdns:
log() {
echo "$*"
}
# try to insert sss entries to the sudoers line in /etc/nsswitch.conf to
# automatically enable libsss-sudo support; do not change the configuration
# if the lines already references some sss lookups
insert_nss_entry() {
log "Checking NSS setup..."
# abort if /etc/nsswitch.conf does not exist
if ! [ -e /etc/nsswitch.conf ]; then
log "Could not find /etc/nsswitch.conf."
return
fi
if grep -q ^sudoers /etc/nsswitch.conf; then
# append 'sss' to the end of the line if it's not found already
sed -i --regexp-extended '
/^(sudoers):/ {
/\bsss\b/! s/$/ sss/
}
' /etc/nsswitch.conf
else
echo "sudoers: files sss" >> /etc/nsswitch.conf
fi
}
insert_nss_entry
exit 0
|