preinst is in quagga 0.99.20.1-0ubuntu0.12.04.6.
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.
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if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*"}
set -e
set -u
# creating quaggavty group if it isn't already there
if ! getent group quaggavty >/dev/null; then
addgroup --system quaggavty >/dev/null
fi
# creating quagga group if it isn't already there
if ! getent group quagga >/dev/null; then
addgroup --system quagga >/dev/null
fi
# creating quagga user if he isn't already there
if ! getent passwd quagga >/dev/null; then
adduser \
--system \
--ingroup quagga \
--home /var/run/quagga/ \
--gecos "Quagga routing suite" \
--shell /bin/false \
quagga >/dev/null
fi
# Do not change permissions when upgrading as it would violate policy.
if [ "$1" = "install" ]; then
# Logfiles are group readable in case users were put into the quagga group.
d=/var/log/quagga/
mkdir -p $d
chown -R quagga:quagga $d
chmod u=rwx,go=rx $d
find $d -type f -print0 | xargs -0 --no-run-if-empty chmod u=rw,g=r,o=
# Strict permissions for the sockets.
d=/var/run/quagga/
mkdir -p $d
chown -R quagga:quagga $d
chmod u=rwx,go=rx $d
find $d -type f -print0 | xargs -0 --no-run-if-empty chmod u=rw,go=
# Config files. Vtysh does not have access to the individual daemons config file
d=/etc/quagga/
mkdir -p $d
chown quagga:quaggavty $d
chmod ug=rwx,o=rx $d
find $d -type f -print0 | xargs -0 --no-run-if-empty chown quagga:quagga
find $d -type f -print0 | xargs -0 --no-run-if-empty chmod u=rw,g=r,o=
# Exceptions for vtysh.
f=$d/vtysh.conf
if [ -f $f ]; then
chown quagga:quaggavty $f
chmod u=rw,g=r,o= $f
fi
# Exceptions for vtysh.
f=$d/Quagga.conf
if [ -f $d/Zebra.conf ]; then
mv $d/Zebra.conf $f
fi
if [ -f $f ]; then
chown quagga:quaggavty $f
chmod u=rw,g=r,o= $f
fi
fi
# No -q so that the filename is displayed. But on stderr due to debhelper.
if grep ^smux /etc/quagga/*.conf >&2 2>/dev/null; then
echo "The currently used smux options will no longer work so remove them!" >&2
echo "See /usr/share/doc/quagga/README.Debian for more information." >&2
exit 1
fi
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