-
-my $DAEMON="/usr/sbin/tincd";
-my $NAME="tinc";
-my $DESC="tinc daemons";
-my $TCONF="/etc/tinc";
-my $EXTRA="";
-
-my $NETS=""; # This is a space-separated list of networks to be started.
-
-
-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);
- }
- }
- if(!defined($DEV)) {
- die "tinc: There must be a TapDevice";
- }
- if($DEV eq "") {
- die "tinc: TapDevice should be of the form /dev/tapN";
- }
- if(!defined($VPN)) {
- die "tinc: MyVirtualIP required";
- }
- if($VPN eq "") {
- die "tinc: No argument to MyVirtualIP/MyOwnVPNIP";
- }
- $ADR = $VPN;
- $ADR =~ s/^([^\/]+)\/.*$/$1/;
- $LEN = $VPN;
- $LEN =~ s/^.*\/([^\/]+)$/$1/;
- if($ADR eq "" || $LEN eq "") {
- die "tinc: Badly formed MyVirtualIP/MyOwnVPNIP";
- }
- @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");
-}
-
-
-
-
-##############################################################################
-# vpn_stop () Stops specified VPN