This file is indexed.

postinst is in wireshark-common 1.6.7-1.

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.

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#!/bin/sh -e

. /usr/share/debconf/confmodule
PROGRAM=/usr/bin/dumpcap
GROUP=wireshark

if ! dpkg-statoverride --list $PROGRAM > /dev/null; then
    db_get wireshark-common/install-setuid
    if [ -e "$PROGRAM" ]; then
	if [ "$RET" = "false" ] ; then
	    chown root:root $PROGRAM
	    chmod u=rwx,go=rx $PROGRAM
	else
	    addgroup --quiet --system $GROUP
	    chown root:$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 dumpcap 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