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git.ipfire.org Git - thirdparty/dhcp.git/blob - tests/DHCPv6/010-solicit-noclientid.pl
fedbc215a3a4b028a338755f1b4d3d1212446f36
3 # Copyright (c) 2007,2009 by Internet Systems Consortium, Inc. ("ISC")
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
9 # THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
15 # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 # Internet Systems Consortium, Inc.
19 # Newmarket, NH 03857 USA
21 # https://www.isc.org/
25 use Time
::HiRes
qw( sleep );
35 # not-yet-standard options
36 my $OPT_TIME_SERVERS = 40;
37 my $OPT_TIME_OFFSET = 41;
40 my $DOCSIS_OPT_ORO = 1;
41 # 2 to 31 are reserved
42 my $DOCSIS_OPT_TFTP_SERVERS = 32;
43 my $DOCSIS_OPT_CONFIG_FILE_NAME = 33;
44 my $DOCSIS_OPT_SYSLOG_SERVERS = 34;
45 my $DOCSIS_OPT_TLV5 = 35;
46 my $DOCSIS_OPT_DEVICE_ID = 36;
47 my $DOCSIS_OPT_CCC = 37;
48 my $DOCSIS_OPT_VERS = 38;
50 # well-known addresses
51 my $All_DHCP_Relay_Agents_and_Servers = "ff02::1:2";
52 my $All_DHCP_Servers = "ff05::1:3";
55 my $client_port = 546;
56 my $server_port = 547;
58 # create a new Solicit message
59 my $msg = dhcp_client
::msg
->new($MSG_SOLICIT);
61 # do NOT add the Client Identifier (required by DOCSIS and RFC 3315)
62 #$msg->add_option($OPT_CLIENTID, dhcp_client::duid());
64 # add Elapsed Time, set to 0 on first packet (required by RFC 3315)
65 $msg->add_option($OPT_ELAPSED_TIME, "\x00\x00");
67 # add IA_NA for each interface (required by DOCSIS and RFC 3315)
68 # XXX: should this be a single interface only?
70 foreach my $iface (dhcp_client
::iface
()) {
71 my $option_data = pack("NNN", ++$iaid, 0, 0);
72 $msg->add_option($OPT_IA_NA, $option_data);
75 # add Reconfigure Accept (required by DOCSIS)
76 $msg->add_option($OPT_RECONF_ACCEPT, "");
78 # add Options Request (required by DOCSIS, recommended by RFC 3315)
79 my @oro = ( $OPT_TIME_SERVERS, $OPT_TIME_OFFSET );
80 $msg->add_option($OPT_ORO, pack("n*", @oro));
83 # add Vendor Class option (required by DOCSIS)
84 $msg->add_option($OPT_VENDOR_CLASS, pack("N", 4491) . "docsis3.0");
86 # add Vendor-specific Information Option option (required by DOCSIS)
87 my $vsio = pack("N", 4491);
89 # ORO (required by DOCSIS)
90 my @docsis_oro = ( $DOCSIS_OPT_TFTP_SERVERS );
91 $vsio .= pack("nnC*", $DOCSIS_OPT_ORO, 0+@docsis_oro, @docsis_oro);
93 # TLV5 data: CMTS DOCSIS version number 3.0 (required by DOCSIS)
94 my $tlv5_data = "\x01\x02\x03\x0";
95 $vsio .= pack("nn", $DOCSIS_OPT_TLV5, length($tlv5_data)) . $tlv5_data;
97 # DOCSIS Device (required by DOCSIS)
98 my $docsis_device_id = dhcp_client
::mac_addr_binary
();
99 $vsio .= pack("nn", $DOCSIS_OPT_DEVICE_ID, length($docsis_device_id));
100 $vsio .= $docsis_device_id;
102 $msg->add_option($OPT_VENDOR_OPTS, $vsio);
104 # add Rapid Commit option (required by DOCSIS)
105 $msg->add_option($OPT_RAPID_COMMIT, "");
107 # timeout parameters, from DOCSIS
108 my $IRT = $SOL_TIMEOUT;
109 my $MRT = $SOL_MAX_RT;
110 my $MRC = 1; # DOCSIS says 4, RFC 3315 says it SHOULD be 0
113 # sleep a random amount of time between 0 and 1 second, required by RFC 3315
114 # XXX: this seems pretty stupid
115 sleep(rand($SOL_MAX_DELAY));
121 $mrd_end_time = time() + $MRD;
125 # create our socket, and send our Solicit
126 socket(SOCK
, PF_INET6
, SOCK_DGRAM
, getprotobyname('udp')) || die;
127 my $addr = inet_pton
(AF_INET6
, $All_DHCP_Servers);
128 my $packet = $msg->packet();
129 my $send_ret = send(SOCK
, $packet, 0,
130 pack_sockaddr_in6
($server_port, $addr));
131 if (not defined($send_ret)) {
133 "Error \%d sending DHCPv6 Solicit message;\n\%s\n",
136 } elsif ($send_ret != length($packet)) {
137 print STDERR
"Unable to send entire DHCPv6 Solicit message.\n";
142 my $RAND = rand(0.2) - 0.1;
144 $RT = 2*$RT + $RAND*$RT;
145 if (($RT > $MRT) && ($MRT != 0)) {
146 $RT = $MRT + $RAND*$RT;
149 $RT = $IRT + $RAND*$IRT;
152 my $rt_end_time = time() + $RT;
153 if (defined($mrd_end_time) && ($mrd_end_time > $rt_end_time)) {
154 $rt_end_time = $mrd_end_time;
158 my $timeout = $rt_end_time - time();
160 # print STDERR "Timeout waiting for DHCPv6 Advertise ",
161 # "or Reply message.\n";
165 my @ready = IO
::Select
->new(\
*SOCK
)->can_read($timeout);
171 $recv_ret = recv(SOCK
, $reply, 1500, 0);
172 if (not defined $recv_ret) {
174 "Error \%d receiving DHCPv6 " .
180 $reply_msg = dhcp_client
::msg
::decode
($reply);
181 if (($reply_msg->{msg_type
} == $MSG_ADVERTISE) ||
182 ($reply_msg->{msg_type
} == $MSG_REPLY)) {
188 } until ($reply_msg ||
189 (($MRC != 0) && ($count > $MRC)) ||
190 (defined($mrd_end_time) && ($mrd_end_time > time())));
192 unless ($reply_msg) {
193 if (($MRC != 0) && ($count >= $MRC)) {
195 "No reply after maximum retransmission count.\n";
198 "No reply after maximum retransmission duration.\n";
202 if ($reply_msg && ($reply_msg->{msg_type
} == $MSG_REPLY)) {
203 print "Got DHCPv6 Reply message.\n";
207 #$Data::Dumper::Useqq = 1;
208 #print Dumper($msg), "\n";
209 #print Dumper($msg->packet()), "\n";
211 #print "packet length: ", length($msg->packet()), "\n";