postinst is in tftpd-hpa 5.2-1ubuntu1.
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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | #!/bin/sh
set -e
. /usr/share/debconf/confmodule
CONFFILE="/etc/default/tftpd-hpa"
case "${1}" in
configure)
db_get tftpd-hpa/username
TFTP_USERNAME="${RET:-tftp}"
db_get tftpd-hpa/directory
TFTP_DIRECTORY="${RET:-/srv/tftp}"
db_get tftpd-hpa/address
TFTP_ADDRESS="${RET:-0.0.0.0:69}"
db_get tftpd-hpa/options
TFTP_OPTIONS="${RET}" # is ok when empty
db_stop
if [ ! -e "${CONFFILE}" ]
then
cat > "${CONFFILE}" << EOF
# /etc/default/tftpd-hpa
TFTP_USERNAME="${TFTP_USERNAME}"
TFTP_DIRECTORY="${TFTP_DIRECTORY}"
TFTP_ADDRESS="${TFTP_ADDRESS}"
TFTP_OPTIONS="${TFTP_OPTIONS} -s"
EOF
fi
cp -a -f "${CONFFILE}" "${CONFFILE}.tmp"
# If the admin deleted or commented some variables but then set
# them via debconf, (re-)add them to the config file.
test -z "${TFTP_USERNAME}" || \
grep -Eq '^ *TFTP_USERNAME=' "${CONFFILE}" || \
echo "TFTP_USERNAME=" >> "${CONFFILE}"
test -z "${TFTP_DIRECTORY}" || \
grep -Eq '^ *TFTP_DIRECTORY=' "${CONFFILE}" || \
echo "TFTP_DIRECTORY=" >> "${CONFFILE}"
test -z "${TFTP_ADDRESS}" || \
grep -Eq '^ *TFTP_ADDRESS=' "${CONFFILE}" || \
echo "TFTP_ADDRESS=" >> "${CONFFILE}"
test -z "${TFTP_OPTIONS}" || \
grep -Eq '^ *TFTP_OPTIONS=' "${CONFFILE}" || \
echo "TFTP_OPTIONS=" >> "${CONFFILE}"
sed -e "s|^ *TFTP_USERNAME=.*|TFTP_USERNAME=\"${TFTP_USERNAME}\"|" \
-e "s|^ *TFTP_DIRECTORY=.*|TFTP_DIRECTORY=\"${TFTP_DIRECTORY}\"|" \
-e "s|^ *TFTP_ADDRESS=.*|TFTP_ADDRESS=\"${TFTP_ADDRESS}\"|" \
-e "s|^ *TFTP_OPTIONS=.*|TFTP_OPTIONS=\"${TFTP_OPTIONS}\"|" \
< "${CONFFILE}" > "${CONFFILE}.tmp"
mv -f "${CONFFILE}.tmp" "${CONFFILE}"
if ! getent passwd "${TFTP_USERNAME}" > /dev/null 2>&1
then
adduser --system --home $(echo ${TFTP_DIRECTORY} | awk '{ print $1 }') --no-create-home --quiet --gecos 'tftp daemon' --group ${TFTP_USERNAME}
else
echo "tftpd user (${TFTP_USERNAME}) already exists, doing nothing."
fi
for _DIRECTORY in ${TFTP_DIRECTORY}
do
if [ ! -d "${_DIRECTORY}" ]
then
mkdir -p "${_DIRECTORY}"
chown root:nogroup ${_DIRECTORY} -R
else
echo
echo "tftpd-hpa directory (${_DIRECTORY}) already exists, doing nothing."
fi
done
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`${1}'" >&2
exit 1
;;
esac
# Automatically added by dh_installinit
if [ -e "/etc/init/tftpd-hpa.conf" ]; then
invoke-rc.d tftpd-hpa start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f tftpd-hpa remove >/dev/null || exit $?
# End automatically added section
exit 0
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