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path: root/bin/changedns
authorsandman <sandman>2002-12-15 22:04:09 (UTC)
committer sandman <sandman>2002-12-15 22:04:09 (UTC)
commita6a23d1c30e395add577eec261ae728f8d783299 (patch) (side-by-side diff)
treee216789ee24be045fb3f6ffb4dc55ca0b25c8195 /bin/changedns
parent6de66e1e2af2b3b06e53dd83338b9dc9df6190df (diff)
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moved changedns to /usr/bin (so ifup/down actually find it), and rewrote it
(runs with busybox now and doesn't write to temporary files in the current directory, which could be anywhere)
Diffstat (limited to 'bin/changedns') (more/less context) (ignore whitespace changes)
-rwxr-xr-xbin/changedns111
1 files changed, 0 insertions, 111 deletions
diff --git a/bin/changedns b/bin/changedns
deleted file mode 100755
index 4760a67..0000000
--- a/bin/changedns
+++ b/dev/null
@@ -1,111 +0,0 @@
-#!/bin/bash
-
-SN="`basename $0`" # base portion of our filename
-AE="-a" # switch to add an entry
-RE="-r" # swithc to remove an entry
-EL="/tmp/resolv.conf" # expected location of the system nameserver config file
-ARGS="$@" # friendly variable name for all args
-
-usage(){
- echo "usage:
-$SN -a {ip} [{ip}...]
-$SN -r {ip} [{ip}...]"
-}
-
-#if are there at least two arguments?
-if [ "$#" -gt 1 ]
-then
-
- #remove any old resolv.conf file
- rm .resolve.conf .resolve.old .resolve.new 2> /dev/null
-
- #cast current nameserver file into OLD
- cat "$EL" > .resolve.old
-
- #build IP list
- for ARG in $ARGS
- do
- if [ "$ARG" != "$1" ]
- then
- IP_LIST=`echo "$IP_LIST $ARG"`
- fi
- done
-
- #select case on first switch
- case "$1" in
-
- #case '-a'
- "$AE" )
-
- #for each IP in IP_LIST
- for IP in $IP_LIST
- do
- #add nameserver entery to .newfile
- echo "nameserver $IP" >> .resolve.conf
-
- #cat OLD into grep excluding IP lines,
- #storing results into NEW
- cat .resolve.old | grep -v "$IP" > .resolve.new
-
- #set OLD to NEW
- cat .resolve.new > .resolve.old
-
- done
-
- #cat OLD onto end of .newfile
- cat .resolve.new >> .resolve.conf
-
- #clean up work files
- rm .resolve.new .resolve.old
-
- #move old conf file to old conf file.bak
- mv "$EL" "$EL.bak"
-
- #move .newfile to resolve.conf file
- mv .resolve.conf "$EL"
-
- echo "Added $IP_LIST to $EL"
- ;;
-
- #case '-r'
- "$RE" )
-
- #for each IP in IP_LIST
- for IP in $IP_LIST
- do
- #cat OLD into grep excluding IP lines,
- #storing results into NEW
- cat .resolve.old | grep -v "$IP" > .resolve.new
-
- #set OLD to NEW
- cat .resolve.new > .resolve.old
-
- done
-
- #move old conf file to old conf file.bak
- mv "$EL" "$EL.bak"
-
- #move .newfile to resolve.conf file
- mv .resolve.new "$EL"
-
- echo "Removed $IP_LIST from $EL"
-
- ;;
-
- #case else
- * )
-
- usage
- ;;
-
-
- #end switch
- esac
-
-#else
-else
-
- usage
-
-#end
-fi