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#!/bin/ksh
# simple script that compare and display interface to address translation
# done by the userland pfctl tool and by the kernel PF dynamic code.
if2ip_user() {
echo "pass in from $1" | pfctl -nvf- 2>/dev/null \
| awk '{print " "(($3=="on")?$7:$5)}' | sort -u
}
kernel_spec() {
set -- `echo $1 | sed "s;/; ;"`
if [ "X$2" == "X" ]; then
echo "($1)"
else
echo "($1)/$2"
fi
}
if2ip_kernel() {
T=`echo "pass in on tun100 from $1" | pfctl -a regress/if2ip -f- \
-vf- | awk '{ print $6}' | tr -d "()"`
pfctl -a _pf -t "$T" -Ts | sort
pfctl -a regress/if2ip -qFr
}
while [ "X$1" != "X" ]; do
if [ "$1" == "-q" ]; then
QUIET=1
shift
fi
if [ "$1" == "-v" ]; then
QUIET=0
shift
fi
UIP=`if2ip_user $1`
KIF=`kernel_spec $1`
KIP=`if2ip_kernel $KIF`
if [ "$QUIET" == "1" ]; then
if [ "$UIP" == "$KIP" ]; then
echo "$1 and $KIF match."
else
echo "$1 and $KIF mismatch."
fi
else
echo "$1:"$UIP
echo "$KIF:"$KIP
fi
if [ "$UIP" != "$KIP" ]; then
exit 1
fi
shift
done
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