1 #!/bin/sh -

2 # A sample "POP before SMTP"-enabler script for tcp_wrappers

3 # This script should be installed in /usr/local/etc

4 # If you are thinking of using this script on heavily loaded host,

5 # you had better to choose tcpserver instead of tcp_wrappers.

6 #

7 ALLOWTMP="/var/log/ATMP"

8 if [ -f /usr/local/etc/hosts.allow ]; then

9 ALLOW="/usr/local/etc/hosts.allow"

10 else

11 ALLOW=/etc/hosts.allow

12 fi

13 ALLOWSRC=${ALLOW}.src

14 ALLOWNEW=${ALLOW}.new

15

16 # for debug

17 # (env;echo "1=$1") | Mail -s pop3access yuuji

18

19 case $0 in

20 *record)

21 echo "tcp-env : $RELAYCLIENT : setenv = RELAYCLIENT" >> $ALLOWTMP.1

22 ;;

23 *age)

24 rm -f $ALLOWTMP.2

25 [ -f $ALLOWTMP.1 ] && mv -f $ALLOWTMP.1 $ALLOWTMP.2

26 ;;

27 *)

28 # else generate master hosts.allow file

29 ;;

30 esac

31 touch $ALLOWTMP.1 $ALLOWTMP.2

32 echo "#

33 # DO NOT EDIT THIS FILE!

34 # This file is generated from $ALLOWSRC file.

35 # Edit it!

36 #" > $ALLOWNEW

37 (cat $ALLOWTMP.[12] | sort -u; cat $ALLOWSRC) >> $ALLOWNEW

38 /bin/mv -f $ALLOWNEW $ALLOW

39

40 # pop3-{age,update,record} for tcp_wrappers ends here

41 # The following section is the sample routine for tcpserver(ucsp-tcp)

42 # If you use tcpserver, replace the above section after "case $0...esac"

43 # by the following section.

44 # Sample code was contributed by pirozeau(pirozeau@banana-fish.com).

45

46 #TCPREMOTEIP=${TCPREMOTEIP:-undefined}

47 #RELAYCLIENT=${RELAYCLIENT:-$TCPREMOTEIP}

48 #ALLOW=/usr/local/etc/smtprule

49 #case $0 in

50 # *record)

51 # echo "$RELAYCLIENT:allow,RELAYCLIENT=\"\"" >> $ALLOWTMP.1

52 # ;;

53 # *age)

54 # rm -f $ALLOWTMP.2

55 # [ -f $ALLOWTMP.1 ] && mv -f $ALLOWTMP.1 $ALLOWTMP.2

56 # ;;

57 # *)

58 # # else generate master tcprule file

59 # ;;

60 #esac

61 #touch $ALLOWTMP.1 $ALLOWTMP.2

62 #(cat $ALLOWTMP.[12] | sort -u; cat ${ALLOW}) | /usr/local/bin/tcprules ${ALLOW}.cdb ${ALLOW}.tmp