+++ /dev/null
-#!/bin/bash
-
-#for einfo, ewarn etc..
-. /etc/init.d/functions.sh
-
-setup() {
- echo
- echo
- einfo "Dnscache Setup"
- echo
- echo
- echo ">>> More information on this package can be found at"
- echo ">>> http://cr.yp.to/djbdns.html and http://djbdns.org"
- echo
- echo "After this script completes, dnscache will be configured."
- echo "Your /etc/resolv.conf will be updated so that all DNS"
- echo "lookups will be directed to dnscache."
- echo
- echo "Your original /etc/resolv.conf will be backed up to "
- echo "/etc/resolv.conf.orig."
- echo
- echo "If you have previously setup dnscache, those directories will"
- echo "not be overwritten. To redo setup, delete your dnscache"
- echo "dirs first or choose a different install location."
- echo
- echo '(press enter to begin setup, or press control-C to abort)'
- echo
- read
-
- echo
- einfo "Install location"
- echo
- echo "Where do you want dnscache installed?"
- echo "Ex. Default (/var) will install dnscache in /var/dnscache,"
- echo "or an external cache in /var/dnscachex."
- echo "!!No trailing slash!!"
- echo
- read -p "[/var]> " mypath
- echo
-
- if [ "$mypath" == "" ]
- then
- mypath="/var"
- fi
-
- if [ ! -e ${mypath} ]
- then
- echo ">>> Creating ${mypath}..."
- mkdir $mypath
- fi
-
- echo
- echo
- einfo "Internal or external cache?"
- echo
- echo "Specify an address to which dnscache should bind."
- echo "If this is the only machine accessing dnscache,"
- echo "127.0.0.1 is a good start."
- echo "Currently running IP addresses:"
- echo
-
- # grab interfaces
- addrs=`ifconfig -a | grep "inet addr" | cut -f2 -d":" | cut -f1 -d" "`
-
- echo $addrs
- echo
- read -p "IP to bind cache to [127.0.0.1]> " myip
- echo
-
- if [ "$myip" == "" ]
- then
- myip="127.0.0.1"
- mycachedir="dnscache"
- else
- mycachedir="dnscachex"
- fi
-
- # check for existance of users dnscache and dnslog:
- echo
- echo
- einfo "Checking for dnscache and dnslog user accts ..."
- echo
- /usr/bin/grep nofiles /etc/group &> /dev/null
- if [ $? -ne 0 ]
- then
- echo ">>> Adding group nofiles ..."
- /usr/sbin/groupadd nofiles &> /dev/null
- fi
-
- /usr/bin/grep dnscache /etc/passwd &> /dev/null
- if [ $? -ne 0 ]
- then
- echo ">>> Adding user dnscache ..."
- /usr/sbin/useradd -d /dev/null -s /bin/false -g nofiles \
- dnscache &> /dev/null
- fi
-
- /usr/bin/grep dnslog /etc/passwd &> /dev/null
- if [ $? -ne 0 ]
- then
- echo ">>> Adding user dnslog ..."
- /usr/sbin/useradd -d /dev/null -s /bin/false -g nofiles \
- dnslog &> /dev/null
- fi
-
- if [ ! -e ${mypath}/${mycachedir} ]
- then
- /usr/bin/dnscache-conf dnscache dnslog \
- ${mypath}/${mycachedir} ${myip}
- else
- ewarn "*** dnscache directory currently exists, nothing done."
- fi
-
- echo
- echo
- einfo "Configure a forward for dnscache?"
- echo
- echo "dnscache can be configured to forward queries to another"
- echo "nameserver (such as the nameserver of your ISP) rather than "
- echo "perform the lookups itself. If you would like to enable this "
- echo "forwarding mode (a good idea most of the time), then enter the "
- echo "IP's of your forwarding nameservers now,"
- echo "otherwise just hit Enter."
- echo
- read -p "enter forward-to IP> " myforward
- echo
- if [ "$myforward" != "" ]
- then
- echo $myforward > ${mypath}/${mycachedir}/root/servers/\@
- echo -n "1" > ${mypath}/${mycachedir}/env/FORWARDONLY
-
- read -p "enter forward-to IP [hit Enter to stop]> " myforward
- while [ "$myforward" != "" ]
- do
- echo $myforward >> ${mypath}/${mycachedir}/root/servers/\@
- read -p "enter forward-to IP [hit Enter to stop]> " myforward
- done
- echo ">>> Setting up forwarding..."
- fi
-
- if [ "$myip" != "127.0.0.1" ]
- then
- echo
- echo
- einfo "Configuring clients"
- echo
- echo "dnscache by default only allows 127.0.0.1 to access it."
- echo "You have to specify the IP addresses of the clients"
- echo "that shall be allowed to use dnscache."
- echo
- echo "1.2.3.4 would allow host 1.2.3.4"
- echo "1.2.3 would allow all hosts underneath 1.2.3.x"
- echo
- echo "Just hit Enter if you do not want to specify clients!"
- echo
-
- read -p "Enter IP> " myclientip
-
- while [ "$myclientip" != "" ]
- do
- touch ${mypath}/${mycachedir}/root/ip/${myclientip}
- read -p "Enter IP (hit Enter to stop)>" myclientip
- done
- fi
-
- echo
- echo
- einfo "Misc"
- echo
- if [ ! -e /var/log/dnscache ]
- then
- echo ">>> linking /var/log/${mycachedir} to the $mycachedir log..."
- ln -s ${mypath}/${mycachedir}/log/main /var/log/${mycachedir}
- fi
-
- if [ -e /etc/resolv.conf ]
- then
- /usr/bin/grep $myip /etc/resolv.conf &> /dev/null
- if [ $? -ne 0 ]
- then
- echo ">>> Backing up /etc/resolv.conf to resolv.conf.orig..."
- cp /etc/resolv.conf /etc/resolv.conf.orig
- cat /etc/resolv.conf.orig | grep -v nameserver > /etc/resolv.conf
- echo ">>> Removed nameserver entries from resolv.conf..."
- echo nameserver $myip >> /etc/resolv.conf
- echo
- echo ">>> Added \"nameserver ${myip}\" to /etc/resolv.conf!"
- else
- echo ">>> ${myip} is already in /etc/resolv.conf - nothing done!"
- fi
- else
- echo nameserver $myip >> /etc/resolv.conf
- echo
- echo ">>> Added \"nameserver ${myip}\" to /etc/resolv.conf!"
- fi
-
- #TODO
- #configure cachsize - $mypath/env/CACHESIZE
-
- #TODO
- #configure datalimit - $mypath/env/DATALIMIT
-
- echo
- echo
- einfo "Start service"
- echo
- echo "dnscache is ready for startup."
- echo "Do you want dnscache to be started and"
- echo "supervised by daemontools now?"
-
- echo
- echo "This requires svscan (daemontools) to be running currently and"
- echo "monitoring /service !!"
- echo
- echo '(press control-C to abort)'
- read
-
- # check in /mnt/.init.d to find svscan link in running...
- # if not running execute /etc/init.d/svscan start
- # Don't make symbolic links to / !
- # use ../ instead as it gives trouble in chrooted environments
- # By Kalin KOZHUHAROV <kalin@ThinRope.net>
- local fixedroot_path=`echo ${mypath} | sed -e 's#^/#../#'`
- cd /service
- ln -sf ${fixedroot_path}/${mycachedir} .
-
- echo
- echo
- einfo "Installation successfull"
- echo
-}
-
-# check for root user
-
-if [ `id -u` -ne 0 ]
-then
- eerror "${0}: must be root."
- exit 1
-fi
-
-
-# run setup
-setup
projects / mjo-overlay.git / blobdiff