: PATH=/bin:/usr/bin:/etc set -h #set -x # # # The following two functions create broadcast addresses # based upon the ip address placed in the variable IP # the result is placed in BROADCAST # BROADCAST= IP= baddr0() { firstbyte=`/bin/echo $IP | sed -e 's/\..*$//'` if expr $firstbyte \< 128 > /dev/null then BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\)\..*\..*\..*$/\1.0.0.0/'` elif expr $firstbyte \< 192 > /dev/null then BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\..*\)\..*\..*$/\1.0.0/'` else BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\..*\..*\)\..*$/\1.0/'` fi } baddr255() { firstbyte=`/bin/echo $IP | sed -e 's/\..*$//'` if expr $firstbyte \< 128 > /dev/null then BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\)\..*\..*\..*$/\1.255.255.255/'` elif expr $firstbyte \< 192 > /dev/null then BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\..*\)\..*\..*$/\1.255.255/'` else BROADCAST=`/bin/echo $IP | sed -e 's/\(.*\..*\..*\)\..*$/\1.255/'` fi } p() { set -f /bin/echo $* set +f return $? } # Prompt for yes or no answer - returns non-zero for no getyn() { while read yn do case $yn in [yY]*) return 0 ;; [nN]*) return 1 ;; *) p "enter either y or n" ;; esac done } # # get a valid ethernet interface in IF? # IF_DLINK= IF_WD= IF_3COM= IF_SLIP= IF0= IF1= IP0= IP1= BROAD0= BROAD1= CONFIG_IF0= CONFIG_IF1= CONFIG_IF2= CONFIG_IF3= getenetif() { if [ -n "$IF1" ] then IF=$IF1 else IF=$IF0 fi while p "Interface $IF IP address: \c" do read ip case "$ip" in "$IP0"|"$IP1"|"$BROAD0"|"$BROAD1") p $ip is in use continue ;; [0-9]*) if [ -n "$IP0" ] then IP1=$ip else IP0=$ip fi break 2 ;; *) p "Address must have n.n.n.n form, i.e., 192.9.200.9" ;; esac done if [ -n "$IF1" ] then IP=$IP1 else IP=$IP0 fi p "Does Interface $IF use all 0's for its broadcast address: \c" if getyn then baddr0 else baddr255 fi if [ -n "$IF1" ] then BROAD1=$BROADCAST else BROAD0=$BROADCAST fi if [ -n "$IF0" ] then CONFIG_IF0="ifconfig ${IF0}0 $IP0 -trailers broadcast $BROAD0" fi if [ -n "$IF1" ] then CONFIG_IF1="ifconfig ${IF1}0 $IP1 -trailers broadcast $BROAD1" fi } # # get a valid slip interface # CONFIG_SLIP= CONFIG_SLIP0= CONFIG_SLIP1= SLIP_SRC= SLIP_DST= SLIP_TTY= getslipif() { while p "Tty line: \c" do read SLIP_TTY case "$SLIP_TTY" in t*) break 2;; *) p 'Try ttyXX (where XX is a number)';; esac done while p "Interface source (you) IP address: \c" do read ip case "$ip" in "$IP0"|"$IP1"|"$BROAD0"|"$BROAD1") p $ip is in use continue ;; [0-9]*) SLIP_SRC=$ip break 2 ;; *) p "Address must have n.n.n.n form, i.e., 192.9.200.9" ;; esac done while p "Interface destination (them) IP address: \c" do read ip case "$ip" in "$IP0"|"$IP1"|"$BROAD0"|"$BROAD1"|"$SLIP_SRC") p $ip is in use continue ;; [0-9]*) SLIP_DST=$ip break 2 ;; *) p "Address must have n.n.n.n form, i.e., 192.9.200.9" ;; esac done p "Baud rate (default 9600): \c" read BAUD CONFIG_SLIP="/etc/slattach $SLIP_TTY $SLIP_SRC $SLIP_DST $BAUD" CONFIG_SLIP0="/etc/slattach $SLIP_TTY $SLIP_SRC $SLIP_DST $BAUD" } # # main() # cat - << EOF TCP SETUP You'll be asked to supply values to a number of configuration parameters. If there is a default, you may press 'Return' to use it. Note: This shell script is designed to handle the most common subset of tcp configuration needs. It's possible that your needs may not be addressed here (subnetting is an example). If that is the case, the best approach is to run through this anyway and then edit the resulting file. EOF ROOT= TCPSCRIPT=${ROOT}/etc/tcp HOSTSFILE=${ROOT}/etc/hosts DEF_PATH="/bin:/usr/bin:/usr/local/bin:/etc" DEF_HOST="host" DEF_DOMAIN="UUCP" DEF_IFLOOP="127.0.0.1" # # set path # CONFIG_PATH=$DEF_PATH # # set host # cat - << EOF The host variable sets your host name. This is the same as your uucp name. The domain name comes next. EOF p "HOST: [$DEF_HOST] \c" read x if [ -n "$x" ] then CONFIG_HOST=$x else CONFIG_HOST=$DEF_HOST fi # # set domain # cat - << EOF The domain variable sets your domain name. For most people this is "UUCP", other examples: "sco.com" or "lachman.com". EOF p "DOMAIN: [$DEF_DOMAIN] \c" read x if [ -n "$x" ] then CONFIG_DOMAIN=$x else CONFIG_DOMAIN=$DEF_DOMAIN fi # # set ethernet connection # if [ -f ${ROOT}/usr/lib/tcp/if.conf ] then . ${ROOT}/usr/lib/tcp/if.conf fi if [ -n "$IF_WD" -o -n "$IF_3COM" -o -n "$IF_DLINK" ] then cat - << EOF Ethernet Configuration You must choose an IP addresses for each of your interfaces. The IP addresses must be in a n.n.n.n form. These values must coordinate with others on the same network. EOF if [ -n "$IF_DLINK" ] then IF0=$IF_DLINK getenetif fi if [ -n "$IF_3COM" ] then IF0=$IF_3COM getenetif fi if [ -n "$IF_WD" ] then if [ -n "$IF0" ] then IF1=$IF_WD else IF0=$IF_WD fi getenetif fi fi if [ -n "$IF_SLIP" ] then if [ -n "$IF0" ] then cat - << EOF SLIP Configuration You must specify two IP addresses. These address must reflect a different network (i.e., the SLIP network) from your previous addresses. Because SLIP is a point to point interface you must specify both endpoints (you and them). Suppose your ethernet network is 192.9.200 and your ethernet address is 192.9.200.100 (host = 100). One possiblity is to choose 192.9.201 for the SLIP network. Supposing further (that's a lot of supposing) the other slip host is 192.9.201.200 (host = 200) then you could choose 192.9.201.100 for your slip end point and 192.9.201.200 for their slip end point. EOF else cat - << EOF You must specify two more IP addresses. Because SLIP is a point to point interface you must specify both endpoints (you and them). Suppose that the SLIP network is 192.9.201. You need to know what their host number is and choose a different one. Something like you: 192.9.201.100 and them: 192.9.201.101. EOF fi getslipif fi # Do they want tcp started at boot time # p "\nWould you like TCP started automatically when the system goes multiuser?" if getyn then echo ":" > /etc/rc.d/6/tcp echo "/etc/tcp start" >> /etc/rc.d/6/tcp chmod 744 /etc/rc.d/6/tcp fi # # localhost # CONFIG_IFLOOP="ifconfig lo0 $DEF_IFLOOP" if [ -f "$HOSTSFILE" ] then echo "Moving old ${HOSTSFILE} to ${HOSTSFILE}.OLD" mv ${HOSTSFILE} ${HOSTSFILE}.OLD fi echo "$DEF_IFLOOP localhost" > $HOSTSFILE if [ -n "$CONFIG_IF0" ] then echo "$IP0 ${CONFIG_HOST}" >> $HOSTSFILE echo "$IP0 ${CONFIG_HOST}.${CONFIG_DOMAIN}" >> $HOSTSFILE fi if [ -n "$CONFIG_IF1" ] then echo "$IP1 ${CONFIG_HOST}_${IF1}" >> $HOSTSFILE echo "$IP1 ${CONFIG_HOST}_${IF1}.${CONFIG_DOMAIN}" >> $HOSTSFILE fi if [ -n "$CONFIG_SLIP0" ] then echo "$SLIP_SRC ${CONFIG_HOST}_slip.${CONFIG_DOMAIN}" >> $HOSTSFILE fi if [ -f "$TCPSCRIPT" ] then echo "Moving old ${TCPSCRIPT} to ${TCPSCRIPT}.OLD" mv ${TCPSCRIPT} ${TCPSCRIPT}.OLD fi sed \ -e "s,CONFIG_PATH,$CONFIG_PATH," \ -e "s,CONFIG_HOST,$CONFIG_HOST," \ -e "s,CONFIG_DOMAIN,$CONFIG_DOMAIN," \ -e "s,CONFIG_IF0,$CONFIG_IF0," \ -e "s,CONFIG_IF1,$CONFIG_IF1," \ -e "s,CONFIG_IF2,$CONFIG_IF2," \ -e "s,CONFIG_IF3,$CONFIG_IF3," \ -e "s,CONFIG_IFLOOP,$CONFIG_IFLOOP," \ -e "s,CONFIG_SLIP0,$CONFIG_SLIP0," \ -e "s,CONFIG_SLIP1,$CONFIG_SLIP1," \ -e "s,CONFIG_SLIP,$CONFIG_SLIP," < /usr/lib/tcp/tcp.conf > $TCPSCRIPT chmod 711 $TCPSCRIPT