#! /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 1.14.2.2 2000/08/20 23:08:17 zarq 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;
+
+
+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/$_[0]/tinc.conf";
- open($CFG, "< $CFG") || die "tinc: $CFG does not exist";
+ if(! open($CFG, "< $CFG")) {
+ warn "tinc: $CFG does not exist\n";
+ return 0;
+ }
# load TINCD config
while(<$CFG>) {
chomp($VPN);
} elsif ( /^[ ]*VpnMask[ =]+([^ \#]+)/i ) {
$VPNMASK=$1;
+ chomp($VPNMASK);
}
}
if(!defined($DEV)) {
- die "tinc: There must be a TapDevice";
+ warn "tinc: There must be a TapDevice\n";
+ return 0;
}
if($DEV eq "") {
- die "tinc: TapDevice should be of the form /dev/tapN";
+ warn "tinc: TapDevice should be of the form /dev/tapN\n";
+ return 0;
}
if(!defined($VPN)) {
- die "tinc: MyVirtualIP required";
+ warn "tinc: MyVirtualIP required\n";
+ return 0;
}
if($VPN eq "") {
- die "tinc: No argument to MyVirtualIP/MyOwnVPNIP";
+ warn "tinc: No argument to MyVirtualIP/MyOwnVPNIP\n";
+ return 0;
}
if(defined($VPNMASK) && $VPNMASK eq "") {
- die "tinc: Invalid argument to VpnMask";
+ warn "tinc: Invalid argument to VpnMask\n";
+ return 0;
}
+
$ADR = $VPN;
$ADR =~ s/^([^\/]+)\/.*$/$1/;
$LEN = $VPN;
$LEN =~ s/^.*\/([^\/]+)$/$1/;
if($ADR eq "" || $LEN eq "") {
- die "tinc: Badly formed MyVirtualIP/MyOwnVPNIP";
+ 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));
-# $NET = 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', $MSK));
-# print "$DEV $VPN $NUM $LEN @addr $MAC $MASK $BRD $NET\n";
-
1;
}
# $_[0] ... VPN to start
sub vpn_start {
- vpn_load($_[0]) || die "tinc: could not vpn_load $_[0]";
+ vpn_load($_[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 $MSK broadcast $BRD -arp");
+ 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] $EXTRA");
- if(defined($VPNMASK)) {
- system("route add -net $ADR netmask $VPNMASK dev $DEV");
- }
}
}
if($ARGV[0] eq "start") {
+ find_nets;
print "Starting $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
vpn_start($n);
}
print ".\n";
} elsif ($ARGV[0] eq "stop") {
+ find_nets;
print "Stopping $DESC:";
- foreach $n (split(" ", $NETS)) {
+ 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 (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
vpn_stop($n);
}
print ".\n";
print "Starting $DESC:";
- foreach $n (split(" ", $NETS)) {
+ foreach $n (@NETS) {
print " $n";
vpn_start($n);
}