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1 #!/bin/sh -
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2 # A sample "POP before SMTP"-enabler script for tcp_wrappers
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3 # This script should be installed in /usr/local/etc
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4 # If you are thinking of using this script on heavily loaded host,
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5 # you had better to choose tcpserver instead of tcp_wrappers.
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6 #
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7 ALLOWTMP="/var/log/ATMP"
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8 if [ -f /usr/local/etc/hosts.allow ]; then
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9 ALLOW="/usr/local/etc/hosts.allow"
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10 else
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11 ALLOW=/etc/hosts.allow
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12 fi
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13 ALLOWSRC=${ALLOW}.src
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14 ALLOWNEW=${ALLOW}.new
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15
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16 # for debug
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17 # (env;echo "1=$1") | Mail -s pop3access yuuji
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18
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19 case $0 in
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20 *record)
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21 echo "tcp-env : $RELAYCLIENT : setenv = RELAYCLIENT" >> $ALLOWTMP.1
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22 ;;
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23 *age)
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24 rm -f $ALLOWTMP.2
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25 [ -f $ALLOWTMP.1 ] && mv -f $ALLOWTMP.1 $ALLOWTMP.2
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26 ;;
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27 *)
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28 # else generate master hosts.allow file
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29 ;;
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30 esac
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31 touch $ALLOWTMP.1 $ALLOWTMP.2
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32 echo "#
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33 # DO NOT EDIT THIS FILE!
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34 # This file is generated from $ALLOWSRC file.
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35 # Edit it!
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36 #" > $ALLOWNEW
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37 (cat $ALLOWTMP.[12] | sort -u; cat $ALLOWSRC) >> $ALLOWNEW
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38 /bin/mv -f $ALLOWNEW $ALLOW
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39
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40 # pop3-{age,update,record} for tcp_wrappers ends here
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41 # The following section is the sample routine for tcpserver(ucsp-tcp)
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42 # If you use tcpserver, replace the above section after "case $0...esac"
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43 # by the following section.
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44 # Sample code was contributed by pirozeau(pirozeau@banana-fish.com).
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45
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46 #TCPREMOTEIP=${TCPREMOTEIP:-undefined}
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47 #RELAYCLIENT=${RELAYCLIENT:-$TCPREMOTEIP}
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48 #ALLOW=/usr/local/etc/smtprule
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49 #case $0 in
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50 # *record)
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51 # echo "$RELAYCLIENT:allow,RELAYCLIENT=\"\"" >> $ALLOWTMP.1
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52 # ;;
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53 # *age)
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54 # rm -f $ALLOWTMP.2
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55 # [ -f $ALLOWTMP.1 ] && mv -f $ALLOWTMP.1 $ALLOWTMP.2
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56 # ;;
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57 # *)
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58 # # else generate master tcprule file
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59 # ;;
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60 #esac
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61 #touch $ALLOWTMP.1 $ALLOWTMP.2
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62 #(cat $ALLOWTMP.[12] | sort -u; cat ${ALLOW}) | /usr/local/bin/tcprules ${ALLOW}.cdb ${ALLOW}.tmp
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