#! /usr/bin/perl -w
#
# System startup script for tinc
-# $Id: init.d,v 1.6 2000/05/16 14:34:44 zarq Exp $
+# $Id: init.d,v 1.14.2.3 2000/10/31 16:22:49 guus Exp $
#
# Based on Lubomir Bulej's Redhat init script.
#
+# Create a file $NETSFILE (/etc/tinc/nets.boot), and put all the names of
+# the networks in there. These names must be valid directory names under
+# $TCONF (/etc/tinc). Lines starting with a # will be ignored in this
+# file.
+#
my $DAEMON="/usr/sbin/tincd";
my $NAME="tinc";
my $DESC="tinc daemons";
my $TCONF="/etc/tinc";
my $EXTRA="";
-
-# Put your VPN names in here.
-my $NETS=""; # This is a space-separated list of networks to be started.
+my $NETSFILE="$TCONF/nets.boot";
+my @NETS=();
if (! -f $DAEMON) { exit 0; }
-if ($NETS eq "") {
- warn "Please edit /etc/init.d/tinc before attempting to start tinc.\n";
- exit 0;
-}
-
-##############################################################################
-# vpn_load () Loads VPN configuration
-#
-# $_[0] ... VPN to load
-sub vpn_load {
- my @addr;
- $CFG="$TCONF/$_[0]/tinc.conf";
- open($CFG, "< $CFG") || die "tinc: $CFG does not exist";
-
- # load TINCD config
- while(<$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=$1;
- }
- }
- if(!defined($DEV)) {
- die "tinc: There must be a TapDevice";
- }
- if($DEV eq "") {
- die "tinc: TapDevice should be of the form /dev/tapN";
+sub find_nets {
+ if(! open(FH, $NETSFILE)) {
+ warn "Please create $NETSFILE.\n";
+ exit 0;
}
- if(!defined($VPN)) {
- die "tinc: MyVirtualIP required";
- }
- if($VPN eq "") {
- die "tinc: No argument to MyVirtualIP/MyOwnVPNIP";
- }
- if(defined($VPNMASK) && $VPNMASK eq "") {
- die "tinc: Invalid argument to VpnMask";
+ while (<FH>) {
+ chomp;
+ if( /^[ ]*([^ \#]+)/i ) {
+ push(@NETS, "$1");
+ }
}
- $ADR = $VPN;
- $ADR =~ s/^([^\/]+)\/.*$/$1/;
- $LEN = $VPN;
- $LEN =~ s/^.*\/([^\/]+)$/$1/;
- if($ADR eq "" || $LEN eq "") {
- die "tinc: Badly formed MyVirtualIP/MyOwnVPNIP";
+ if($#NETS == -1) {
+ warn "$NETSFILE doesn't contain any nets.\n";
+ exit 0;
}
- @addr = split(/\./, $ADR);
-
- $ADR = pack('C4', @addr);
- $MSK = pack('N4', -1 << (32 - $LEN));
- $BRD = join(".", unpack('C4', $ADR | ~$MSK));
-# $NET = join(".", unpack('C4', $ADR & $MSK));
- $MAC = "fe:fd:" . join(":", map { sprintf "%02x", $_ } unpack('C4', $ADR));
- $ADR = join(".", unpack('C4', $ADR));
- $MSK = join(".", unpack('C4', $MSK));
-# print "$DEV $VPN $NUM $LEN @addr $MAC $MASK $BRD $NET\n";
-
- 1;
}
-
-##############################################################################
-# vpn_start () starts specified VPN
-#
-# $_[0] ... VPN to start
-
-sub vpn_start {
- vpn_load($_[0]) || die "tinc: could not vpn_load $_[0]";
-
- system("insmod ethertap -s --name=\"ethertap$NUM\" unit=\"$NUM\" >/dev/null");
- system("ifconfig $DEV hw ether $MAC");
- system("ifconfig $DEV $ADR netmask $MSK broadcast $BRD -arp");
- system("start-stop-daemon --start --quiet --pidfile /var/run/$NAME.$_[0].pid --exec $DAEMON -- -n $_[0] $EXTRA");
- if(defined($VPNMASK)) {
- system("route add -net $ADR netmask $VPNMASK dev $DEV");
- }
-}
-
-
-
-
-##############################################################################
-# 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";
}
if($ARGV[0] eq "start") {
+ find_nets;
print "Starting $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
- vpn_start($n);
+ system("$DAEMON -n $_[0] $EXTRA");
}
print ".\n";
} elsif ($ARGV[0] eq "stop") {
+ find_nets;
print "Stopping $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
- vpn_stop($n);
+ system("$DAEMON -n $_[0] $EXTRA -k");
}
print ".\n";
} elsif ($ARGV[0] eq "restart" || $ARGV[0] eq "force-reload") {
+ find_nets;
print "Stopping $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
- vpn_stop($n);
+ system("$DAEMON -n $_[0] $EXTRA -k");
}
print ".\n";
print "Starting $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
- vpn_start($n);
+ system("$DAEMON -n $_[0] $EXTRA");
}
print ".\n";
} else {