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)

5 files changed, 45 insertions, 114 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
diff --git a/noncore/net/networksetup/opie-networksetup.control b/noncore/net/networksetup/opie-networksetup.control
index 425150b..3d6a32c 100644
--- a/noncore/net/networksetup/opie-networksetup.control
+++ b/noncore/net/networksetup/opie-networksetup.control
@@ -1,5 +1,5 @@
-Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 bin/changedns bin/getprofile
+Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 root/usr/bin/changedns bin/getprofile
 Priority: optional
 Section: opie/settings
 Maintainer: Ben Meyer <meyerb@sharpsec.com> 
 Architecture: arm
diff --git a/noncore/settings/networksettings/opie-networksettings.control b/noncore/settings/networksettings/opie-networksettings.control
index 425150b..3d6a32c 100644
--- a/noncore/settings/networksettings/opie-networksettings.control
+++ b/noncore/settings/networksettings/opie-networksettings.control
@@ -1,5 +1,5 @@
-Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 bin/changedns bin/getprofile
+Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 root/usr/bin/changedns bin/getprofile
 Priority: optional
 Section: opie/settings
 Maintainer: Ben Meyer <meyerb@sharpsec.com> 
 Architecture: arm
diff --git a/noncore/settings/networksettings/opie-networksetup.control b/noncore/settings/networksettings/opie-networksetup.control
index 425150b..3d6a32c 100644
--- a/noncore/settings/networksettings/opie-networksetup.control
+++ b/noncore/settings/networksettings/opie-networksetup.control
@@ -1,5 +1,5 @@
-Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 bin/changedns bin/getprofile
+Files: bin/networksetup apps/Settings/networksetup.desktop plugins/networksetup/* pics/networksetup/* pics/Network/PPPConnect.png $QTDIR/lib/libinterfaces.so.1.0.0 $QTDIR/lib/libinterfaces.so.1.0 $QTDIR/lib/libinterfaces.so.1 root/usr/bin/changedns bin/getprofile
 Priority: optional
 Section: opie/settings
 Maintainer: Ben Meyer <meyerb@sharpsec.com> 
 Architecture: arm
diff --git a/root/usr/bin/changedns b/root/usr/bin/changedns
new file mode 100755
index 0000000..8270e86
--- a/dev/null
+++ b/root/usr/bin/changedns
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+arg0="`basename $0`"	# base portion of our filename
+arg1="$1"
+tmpfile="/tmp/resolv.conf.$$"
+
+usage ( ) {
+	echo "usage: $arg0 -a|-r {ip} [{ip}...]"
+	rm -f $tmpfile
+	exit 1
+}
+
+
+[ "$#" -le 1 ] && usage
+
+shift
+
+cp /etc/resolv.conf $tmpfile
+
+case "$arg1" in
+	"-a")
+		for ip in "$@"; do
+		    echo $ip
+			grep -sq "^nameserver $ip\$" $tmpfile || echo "nameserver $ip" >>$tmpfile
+		done
+	;;
+	"-r")
+		for ip in "$@"; do
+			grep -v "^nameserver $ip\$" $tmpfile >$tmpfile.2
+			mv $tmpfile.2 $tmpfile
+		done
+	;;
+	*)
+		usage
+	;;
+esac
+
+[ -f $tmpfile ] && cp $tmpfile /etc/resolv.conf
+rm -f $tmpfile
+
+exit 0
+