DHCPv6 branch merged to HEAD.

[thirdparty/dhcp.git] / tests / DHCPv6 / 293-decline.pl

diff --git a/tests/DHCPv6/293-decline.pl b/tests/DHCPv6/293-decline.pl
new file mode 100644 (file)
index 0000000..bb7d06e
--- /dev/null
+++ b/tests/DHCPv6/293-decline.pl
@@ -0,0 +1,169 @@
+#! /usr/bin/perl -w
+
+use strict;
+use English;
+use Time::HiRes qw( sleep );
+use Socket;
+use Socket6;
+use IO::Select;
+
+use dhcp_client;
+
+# XXX: for debugging
+use Data::Dumper;
+
+# not-yet-standard options
+my $OPT_TIME_SERVERS = 40;
+my $OPT_TIME_OFFSET = 41;
+
+# DOCSIS sub-options
+my $DOCSIS_OPT_ORO = 1;
+# 2 to 31 are reserved
+my $DOCSIS_OPT_TFTP_SERVERS = 32;
+my $DOCSIS_OPT_CONFIG_FILE_NAME = 33;
+my $DOCSIS_OPT_SYSLOG_SERVERS = 34;
+my $DOCSIS_OPT_TLV5 = 35;
+my $DOCSIS_OPT_DEVICE_ID = 36;
+my $DOCSIS_OPT_CCC = 37;
+my $DOCSIS_OPT_VERS = 38;
+
+# well-known addresses
+my $All_DHCP_Relay_Agents_and_Servers = "ff02::1:2";
+my $All_DHCP_Servers = "ff05::1:3";
+
+# ports
+my $client_port = 546;
+my $server_port = 547;
+
+# create a new Solicit message
+my $msg = dhcp_client::msg->new($MSG_DECLINE);
+
+# add the Client Identifier (required by DOCSIS and RFC 3315)
+my $client_id = "\x00\x01\x00\x01\x0c\x00\xa1\x41\x00\x06\x5b\x50\x99\xf6";
+$msg->add_option($OPT_CLIENTID, $client_id);
+#$msg->add_option($OPT_CLIENTID, dhcp_client::duid(3));
+
+# add the Server identifier (required by RFC 3315)
+$msg->add_option($OPT_SERVERID, "InfiniteEntropy");
+
+# add Elapsed Time, set to 0 on first packet (required by RFC 3315)
+$msg->add_option($OPT_ELAPSED_TIME, "\x00\x00");
+
+# add IA_NA for each interface (required by DOCSIS and RFC 3315)
+# XXX: should this be a single interface only?
+my $iaid = 0;
+foreach my $iface (dhcp_client::iface()) {
+        my $iaaddr_option = inet_pton(AF_INET6, "3ffe:aaaa:aaaa:aaaa::ffff");
+        $iaaddr_option .= pack("NN", 0, 0);
+        my $option_data = pack("NNN", ++$iaid, 0, 0);
+        $option_data .= pack("nn", $OPT_IAADDR, length($iaaddr_option)-8);
+        $option_data .= $iaaddr_option;
+        $msg->add_option($OPT_IA_NA, $option_data);
+}
+
+# timeout parameters, from DOCSIS
+my $IRT = $SOL_TIMEOUT;
+my $MRT = $SOL_MAX_RT;
+my $MRC = 4;   # DOCSIS says 4, RFC 3315 says it SHOULD be 0
+my $MRD = 0;
+
+# sleep a random amount of time between 0 and 1 second, required by RFC 3315
+# XXX: this seems pretty stupid
+sleep(rand($SOL_MAX_DELAY));
+
+my $RT;
+my $count = 0;
+my $mrd_end_time;
+if ($MRD != 0) {
+       $mrd_end_time = time() + $MRD;
+}
+my $reply_msg;
+do {
+       # create our socket, and send our Solicit
+       socket(SOCK, PF_INET6, SOCK_DGRAM, getprotobyname('udp')) || die;
+       my $addr = inet_pton(AF_INET6, $All_DHCP_Servers);
+       my $packet = $msg->packet();
+       my $send_ret = send(SOCK, $packet, 0, 
+                           pack_sockaddr_in6($server_port, $addr));
+       if (not defined($send_ret)) {
+               printf STDERR 
+                       "Error \%d sending DHCPv6 Solicit message;\n\%s\n",
+                       0+$ERRNO, $ERRNO;
+               exit(1);
+       } elsif ($send_ret != length($packet)) {
+               print STDERR "Unable to send entire DHCPv6 Solicit message.\n";
+               exit(1);
+       }
+       $count++;
+
+       my $RAND = rand(0.2) - 0.1;
+       if (defined $RT) {
+               $RT = 2*$RT + $RAND*$RT;
+               if (($RT > $MRT) && ($MRT != 0)) {
+                       $RT = $MRT + $RAND*$RT;
+               }
+       } else {
+               $RT = $IRT + $RAND*$IRT;
+       }
+
+       my $rt_end_time = time() + $RT;
+       if (defined($mrd_end_time) && ($mrd_end_time > $rt_end_time)) { 
+               $rt_end_time = $mrd_end_time;
+       }
+
+       for (;;) {
+               my $timeout = $rt_end_time - time();
+               if ($timeout < 0) {
+#                      print STDERR "Timeout waiting for DHCPv6 Advertise ",
+#                              "or Reply message.\n";
+                       last;
+               }
+
+               my @ready = IO::Select->new(\*SOCK)->can_read($timeout);
+
+               if (@ready) {
+                       my $reply;
+                       my $recv_ret;
+       
+                       $recv_ret = recv(SOCK, $reply, 1500, 0);
+                       if (not defined $recv_ret) {
+                               printf STDERR 
+                                       "Error \%d receiving DHCPv6 " . 
+                                               "message;\n\%s\n",
+                                       0+$ERRNO, $ERRNO;
+                               exit(1);
+                       }
+
+                       $reply_msg = dhcp_client::msg::decode($reply, 1);
+                       if (($reply_msg->{msg_type} == $MSG_ADVERTISE) ||
+                           ($reply_msg->{msg_type} == $MSG_REPLY)) {
+                               last;
+                       }
+               }
+       }
+
+} until ($reply_msg || 
+        (($MRC != 0) && ($count > $MRC)) ||
+        (defined($mrd_end_time) && ($mrd_end_time > time())));
+
+unless ($reply_msg) {
+       if (($MRC != 0) && ($count >= $MRC)) {
+               print STDERR 
+                       "No reply after maximum retransmission count.\n";
+       } else {
+               print STDERR 
+                       "No reply after maximum retransmission duration.\n";
+       }
+}
+
+if ($reply_msg && ($reply_msg->{msg_type} == $MSG_REPLY)) {
+       print "Got DHCPv6 Reply message.\n";
+       exit(0);
+}
+
+#$Data::Dumper::Useqq = 1;
+#print Dumper($msg), "\n";
+#print Dumper($msg->packet()), "\n";
+#
+#print "packet length: ", length($msg->packet()), "\n";
+