postinst is in xastir 2.1.0-1.
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 | #!/bin/sh
# This file is based heavily on the wireshark-common postinst file with some
# modifications.
set -e
. /usr/share/debconf/confmodule
PROGRAM=/usr/bin/xastir
GROUP=xastir-ax25
# We only care about installing setuid on Linux, as kFreeBSD/Hurd do not have
# native AX.25 interfaces that libax25 can use.
if [ `uname` = Linux ]; then
if ! dpkg-statoverride --list $PROGRAM > /dev/null; then
db_get xastir/install-setuid
if [ -e "$PROGRAM" ]; then
if [ "$RET" = "false" ] ; then
chown root:root $PROGRAM
chmod u=rwx,go=rx $PROGRAM
else
if ! addgroup --quiet --system $GROUP; then
echo "Executing \"addgroup --quiet --system $GROUP\" failed."
echo "Most probably the $GROUP group exists, but is not a system group."
echo "Please delete the existing group or re-create it as a system group and try configuring xastir again."
exit 1
fi
chown root:$GROUP $PROGRAM
if which setcap > /dev/null ; then
chmod u=rwx,g=rx,o=r $PROGRAM
if ! setcap cap_net_raw,cap_net_admin=eip $PROGRAM; then
echo "Setting capabilities for xastir using Linux Capabilities failed."
echo "Falling back to setting set-user-id bit."
chmod u=rwxs,g=rx,o=r $PROGRAM
fi
else
chmod u=rwxs,g=rx,o=r $PROGRAM
fi
fi
fi
else
echo "Preserving owner and mode for $PROGRAM set by dpkg-statoverride:"
dpkg-statoverride --list $PROGRAM
fi
fi
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