-#! /usr/bin/perl -w
+#! /bin/sh
#
# System startup script for tinc
-# $Id: init.d,v 1.14.2.2 2000/08/20 23:08:17 zarq Exp $
+# $Id: init.d,v 1.14.2.4 2000/12/05 09:03:41 zarq Exp $
#
# Based on Lubomir Bulej's Redhat init script.
#
# file.
#
-my $DAEMON="/usr/sbin/tincd";
-my $NAME="tinc";
-my $DESC="tinc daemons";
-my $TCONF="/etc/tinc";
-my $EXTRA="";
-my $NETSFILE="$TCONF/nets.boot";
-my @NETS=();
-
-
-if (! -f $DAEMON) { exit 0; }
-
-
-
-sub find_nets {
- if(! open(FH, $NETSFILE)) {
- warn "Please create $NETSFILE.\n";
- exit 0;
- }
- while (<FH>) {
- chomp;
- if( /^[ ]*([^ \#]+)/i ) {
- push(@NETS, "$1");
- }
- }
- if($#NETS == -1) {
- warn "$NETSFILE doesn't contain any nets.\n";
- exit 0;
- }
-
-}
-
-
-##############################################################################
-# vpn_load () Loads VPN configuration
-#
-# $_[0] ... VPN to load
-
-sub vpn_load {
- my @addr;
- $CFG="$TCONF/$_[0]/tinc.conf";
- if(! open($CFG, "< $CFG")) {
- warn "tinc: $CFG does not exist\n";
- return 0;
- }
-
- # load TINCD config
- while(<$CFG>) {
- if( /^[ ]*TapDevice[ =]+([^ \#]+)/i ) {
- $DEV=$1;
- chomp($DEV);
- $DEV =~ s/^.*\/([^\/0-9]+)([0-9]+)$/$1$2/;
- $NUM = $2;
- } elsif ( /^[ ]*(MyOwnVPNIP|MyVirtualIP)[ =]+([^ \#]+)/i ) {
- $VPN=$2;
- chomp($VPN);
- } elsif ( /^[ ]*VpnMask[ =]+([^ \#]+)/i ) {
- $VPNMASK=$1;
- chomp($VPNMASK);
- }
- }
- if(!defined($DEV)) {
- warn "tinc: There must be a TapDevice\n";
- return 0;
- }
- if($DEV eq "") {
- warn "tinc: TapDevice should be of the form /dev/tapN\n";
- return 0;
- }
- if(!defined($VPN)) {
- warn "tinc: MyVirtualIP required\n";
- return 0;
- }
- if($VPN eq "") {
- warn "tinc: No argument to MyVirtualIP/MyOwnVPNIP\n";
- return 0;
- }
- if(defined($VPNMASK) && $VPNMASK eq "") {
- warn "tinc: Invalid argument to VpnMask\n";
- return 0;
- }
-
- $ADR = $VPN;
- $ADR =~ s/^([^\/]+)\/.*$/$1/;
- $LEN = $VPN;
- $LEN =~ s/^.*\/([^\/]+)$/$1/;
- if($ADR eq "" || $LEN eq "") {
- warn "tinc: Badly formed MyVirtualIP/MyOwnVPNIP\n";
- return 0;
- }
- @addr = split(/\./, $ADR);
-
- $ADR = pack('C4', @addr);
- $MSK = pack('N4', -1 << (32 - $LEN));
- $BRD = join(".", unpack('C4', $ADR | ~$MSK));
- $MAC = "fe:fd:" . join(":", map { sprintf "%02x", $_ } unpack('C4', $ADR));
-
- if(!defined($VPNMASK)) {
- $VPNMASK = $MSK;
- $VPNMASK = join(".", unpack('C4', $VPNMASK));
- }
- $ADR = join(".", unpack('C4', $ADR));
- $MSK = join(".", unpack('C4', $MSK));
-
- 1;
-}
-
-
-##############################################################################
-# vpn_start () starts specified VPN
-#
-# $_[0] ... VPN to start
-
-sub vpn_start {
- vpn_load($_[0]) || return 0;
-
- system("insmod ethertap -s --name=\"ethertap$NUM\" unit=\"$NUM\" >/dev/null");
- system("ifconfig $DEV hw ether $MAC");
- system("ifconfig $DEV $ADR netmask $VPNMASK broadcast $BRD mtu 1448 -arp");
- system("start-stop-daemon --start --quiet --pidfile /var/run/$NAME.$_[0].pid --exec $DAEMON -- -n $_[0] $EXTRA");
-}
-
-
-
-
-##############################################################################
-# vpn_stop () Stops specified VPN
-#
-# $_[0] ... VPN to stop
-
-sub vpn_stop {
- vpn_load($_[0]) || return 1;
-
- system("start-stop-daemon --stop --quiet --pidfile /var/run/$NAME.$_[0].pid --exec $DAEMON -- -n $_[0] $EXTRA -k");
-
- system("ifconfig $DEV down");
- system("rmmod ethertap$NUM -s");
-}
-
-
-if(!defined($ARGV[0])) {
- die "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload}\n";
+DAEMON="/usr/sbin/tincd"
+NAME="tinc"
+DESC="tinc daemons"
+TCONF="/etc/tinc"
+EXTRA=""
+NETSFILE="$TCONF/nets.boot"
+NETS=""
+
+test -f $DAEMON || exit 0
+
+find_nets () {
+ if [ ! -f $NETSFILE ] ; then
+ echo "Please create $NETSFILE."
+ exit 0
+ fi
+ NETS="`egrep '^[ ]*[a-zA-Z0-9_]+[ ]*$' $NETSFILE`"
}
-if($ARGV[0] eq "start") {
- find_nets;
- print "Starting $DESC:";
- foreach $n (@NETS) {
- print " $n";
- vpn_start($n);
- }
- print ".\n";
-} elsif ($ARGV[0] eq "stop") {
- find_nets;
- print "Stopping $DESC:";
- foreach $n (@NETS) {
- print " $n";
- vpn_stop($n);
- }
- print ".\n";
-} elsif ($ARGV[0] eq "restart" || $ARGV[0] eq "force-reload") {
- find_nets;
- print "Stopping $DESC:";
- foreach $n (@NETS) {
- print " $n";
- vpn_stop($n);
- }
- print ".\n";
- print "Starting $DESC:";
- foreach $n (@NETS) {
- print " $n";
- vpn_start($n);
- }
- print ".\n";
-} else {
- die "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload}\n";
-}
+case "$1" in
+ start)
+ find_nets
+ echo -n "Starting $DESC:"
+ for n in $NETS ; do
+ echo -n " $n"
+ $DAEMON -n $n $EXTRA
+ done
+ echo "."
+ ;;
+ stop)
+ find_nets
+ echo -n "Stopping $DESC:"
+ for n in $NETS ; do
+ echo -n " $n"
+ $DAEMON -n $n $EXTRA -k
+ done
+ echo "."
+ ;;
+ restart|force-reload)
+ find_nets
+ echo -n "Restarting $DESC:"
+ for n in $NETS ; do
+ echo -n " $n"
+ $DAEMON -n $n $EXTRA -k
+ sleep 1
+ $DAEMON -n $n $EXTRA
+ done
+ echo "."
+ ;;
+ *)
+ echo "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload}"
+ exit 1
+ ;;
+esac
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