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|
#!/bin/sh -e
ACTION=probe
case "$1" in
--help|-h)
echo "$0 [--show] [--exec]"
exit 0
;;
--show)
ACTION=show
;;
--exec)
ACTION=exec
;;
esac
# read old config
. /etc/default/oidentd
CLEAN=yes
SPOOF=no
SPOOFPRIV=no
HIDE=no
MASQ=no
NEW_OPTIONS="$OIDENT_OPTIONS"
case "$OIDENT_OPTIONS" in
*-A*)
SPOOFPRIV=yes
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-A//g'`"
;;
esac
case "$OIDENT_OPTIONS" in
*-s*)
test -f /etc/identd.spoof &&
grep -v '^#' /etc/identd.spoof | grep -qv '^$' &&
SPOOF=normal &&
CLEAN=no &&
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-s//g'`"
;;
esac
case "$OIDENT_OPTIONS" in
*-S*)
# all users but those in identd.spoof are allowed to spoof
SPOOF=reverse
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-S//g'`"
;;
esac
case "$OIDENT_OPTIONS" in
*-N*)
# users are allowed to hide them
CLEAN=no
HIDE=yes
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-N//g'`"
;;
esac
case "$OIDENT_OPTIONS" in
*-m*)
# handle new location of masquarading config file
test -f /etc/oidentd.users &&
grep -v '^#' /etc/oidentd.users | grep -qv '^$' &&
case "$ACTION" in
show)
echo "### Please move /etc/oidentd.users to /etc/oidentd_masq.conf"
echo
;;
exec)
mv /etc/oidentd.users /etc/oidentd_masq.conf
;;
esac &&
CLEAN=no
;;
esac
case "$OIDENT_OPTIONS" in
*-F*)
CLEAN=no
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-F/-f/g'`"
;;
esac
case "$OIDENT_OPTIONS" in
*-x*)
CLEAN=no
NEW_OPTIONS="`echo $NEW_OPTIONS|sed -e 's/-x/-r/g'`"
;;
esac
if [ "$SPOOF" = reverse -o "$HIDE" = yes ]; then
{
[ "$SPOOF" = reverse ] &&
echo " allow spoof"
[ "$SPOOFPRIV" = yes ] &&
echo " allow spoof_privport"
[ "$HIDE" = yes ] &&
echo " allow hide"
echo
} | case "$ACTION" in
show)
echo "### Please add these lines to the default section of your /etc/oidentd.conf:"
cat
;;
exec)
ln /etc/oidentd.conf /etc/oidentd.conf.old &&
perl -pe 'if(/^\s+default/){print;system("cat");$_=""};' /etc/oidentd.conf > /etc/oidentd.conf.new &&
mv /etc/oidentd.conf.new /etc/oidentd.conf
;;
esac
fi
if [ "$SPOOF" != no ]; then
USER=undef
grep -v '^#' /etc/identd.spoof | grep -v '^$' | {
# convert old to new format
IFS=:
read USER REPLY
while [ -n "$USER" ]; do
echo "user \"$USER\" {"
echo " default {"
if [ -z "$REPLY" ]; then
if [ "$SPOOF" = reverse ]; then
echo " deny spoof"
else
echo " allow spoof"
[ "$SPOOFPRIV" = yes ] && echo " allow spoof_privport"
fi
else
echo " force reply \"$REPLY\""
fi
echo " }"
echo "}"
echo
read USER REPLY
done } | case "$ACTION" in
show)
echo "### Please add these lines to your /etc/oidentd.conf:"
cat
echo "### afterwards, you may delete /etc/identd.spoof."
echo
;;
exec)
cat >> /etc/oidentd.conf
rm /etc/identd.spoof
;;
esac
fi
if [ "$OIDENT_OPTIONS" != "$NEW_OPTIONS" ]; then
case "$ACTION" in
show)
echo "### Edit /etc/default/oidentd to contain:"
echo "OIDENT_OPTIONS=\"$NEW_OPTIONS\""
echo
;;
exec)
cat /etc/default/oidentd |
sed -e 's/^OIDENT_OPTIONS=.*$/OIDENT_OPTIONS="'$NEW_OPTIONS'"/' > /etc/default/oidentd.new
mv /etc/default/oidentd.new /etc/default/oidentd
;;
esac
fi
if [ "$CLEAN" = yes ]; then
if [ "$ACTION" = show ]; then
echo "You already have a new oidentd config."
fi
exit 0
fi
case "$ACTION" in
probe)
echo "Your new oidentd won't work with the old configuration files."
echo "please see '/usr/sbin/oidentdconfig --show' to fix it."
exit 1
;;
show)
echo "### you may run '/usr/sbin/oidentdconfig --exec' to do all this automatically"
exit 1
;;
exec)
echo "your oidentd config should work with the new oidentd now,"
echo "but please have a look at it for yourself before starting the daemon."
exit 0
;;
esac
|
