File Coverage

blib/lib/Net/DHCP/Constants.pm

Criterion	Covered	Total	%
statement	64	64	100.0
branch			n/a
condition			n/a
subroutine	20	20	100.0
pod			n/a
total	84	84	100.0

#!/bin/false
# PODNAME: Net::DHCP::Constants
# Author: Dean Hamstead, Stephan Hadinger
# ABSTRACT: Constants for DHCP codes and options
use strict;
use warnings;
use 5.8.0;

package Net::DHCP::Constants;
$Net::DHCP::Constants::VERSION = '0.7_007'; # TRIAL

$Net::DHCP::Constants::VERSION = '0.7007';# standard module declaration
our ( @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS );
use Exporter;
@ISA     = qw(Exporter);

@EXPORT = qw(MAGIC_COOKIE);

# Constants
our ( %DHO_CODES,        %REV_DHO_CODES );
our ( %DHCP_MESSAGE,     %REV_DHCP_MESSAGE );
our ( %BOOTP_CODES,      %REV_BOOTP_CODES );
our ( %HTYPE_CODES,      %REV_HTYPE_CODES );
our ( %NWIP_CODES,       %REV_NWIP_CODES );
our ( %CCC_CODES,        %REV_CCC_CODES );
our ( %GEOCONF_CODES,    %REV_GEOCONF_CODES );
our ( %RELAYAGENT_CODES, %REV_RELAYAGENT_CODES );
our ( %RELAYAGENT_FORMATS, %REV_RELAYAGENT_FORMATS );
our ( %SUBOPTION_CODES,  %REV_SUBOPTION_CODES );

%EXPORT_TAGS = (
    dho_codes     => [ keys %DHO_CODES ],
    dhcp_message  => [ keys %DHCP_MESSAGE ],
    bootp_codes   => [ keys %BOOTP_CODES ],
    htype_codes   => [ keys %HTYPE_CODES ],
    nwip_codes    => [ keys %NWIP_CODES ],
    ccc_codes     => [ keys %CCC_CODES ],
    geoconf_codes => [ keys %GEOCONF_CODES ],
    ra_codes      => [ keys %RELAYAGENT_CODES ],
    dhcp_hashes   => [
        qw(
          %DHO_CODES %REV_DHO_CODES
          %DHCP_MESSAGE %REV_DHCP_MESSAGE
          %BOOTP_CODES %REV_BOOTP_CODES
          %NWIP_CODES %REV_NWIP_CODES
          %CCC_CODES %REV_CCC_CODES
          %HTYPE_CODES %REV_HTYPE_CODES
          %GEOCONF_CODES %REV_GEOCONF_CODES
          %RELAYAGENT_CODES %REV_RELAYAGENT_CODES
          %SUBOPTION_CODES %REV_SUBOPTION_CODES
          )
    ],
    dhcp_other => [
        qw(MAGIC_COOKIE DHCP_UDP_OVERHEAD DHCP_MAX_MTU BOOTP_MIN_LEN BOOTP_ABSOLUTE_MIN_LEN DHCP_MIN_LEN)
    ]
);

@EXPORT_OK = qw(
  %DHO_CODES %REV_DHO_CODES
  %DHCP_MESSAGE %REV_DHCP_MESSAGE
  %BOOTP_CODES %REV_BOOTP_CODES
  %NWIP_CODES %REV_NWIP_CODES
  %HTYPE_CODES %REV_HTYPE_CODES
  %CCC_CODES %REV_CCC_CODES
  %DHO_FORMATS
  %SUBOPTION_FORMATS
  %GEOCONF_CODES %REV_GEOCONF_CODES
  %RELAYAGENT_CODES %REV_RELAYAGENT_CODES
  %SUBOPTION_CODES  %REV_SUBOPTION_CODES

);
Exporter::export_tags('dho_codes');
Exporter::export_tags('dhcp_message');
Exporter::export_tags('bootp_codes');
Exporter::export_tags('htype_codes');
Exporter::export_tags('nwip_codes');
Exporter::export_tags('ccc_codes');
Exporter::export_tags('geoconf_codes');
Exporter::export_ok_tags('dhcp_other');
Exporter::export_ok_tags('ra_codes');

# MAGIC_COOKIE for DHCP (otherwise it is BOOTP)
use constant MAGIC_COOKIE => "\x63\x82\x53\x63";

use constant DHCP_UDP_OVERHEAD      => ( 14 + 20 + 8 );    # Ethernet + IP + UDP
use constant DHCP_MAX_MTU           => 1500;
use constant BOOTP_ABSOLUTE_MIN_LEN => 236;
use constant BOOTP_MIN_LEN          => 300;
use constant DHCP_MIN_LEN           => 548;

BEGIN {
    %BOOTP_CODES = (
        'BOOTREQUEST' => 1,
        'BOOTREPLY'   => 2,
    );

    %HTYPE_CODES = (
        'HTYPE_ETHER'   => 1,
        'HTYPE_IEEE802' => 6,
        'HTYPE_FDDI'    => 8,
        'HTYPE_INFINIBAND' => 32,
    );

    %DHO_CODES = (    # RFC 2132
        'DHO_PAD'                                  => 0,
        'DHO_SUBNET_MASK'                          => 1,
        'DHO_TIME_OFFSET'                          => 2,
        'DHO_ROUTERS'                              => 3,
        'DHO_TIME_SERVERS'                         => 4,
        'DHO_NAME_SERVERS'                         => 5,
        'DHO_DOMAIN_NAME_SERVERS'                  => 6,
        'DHO_LOG_SERVERS'                          => 7,
        'DHO_COOKIE_SERVERS'                       => 8,
        'DHO_LPR_SERVERS'                          => 9,
        'DHO_IMPRESS_SERVERS'                      => 10,
        'DHO_RESOURCE_LOCATION_SERVERS'            => 11,
        'DHO_HOST_NAME'                            => 12,
        'DHO_BOOT_SIZE'                            => 13,
        'DHO_MERIT_DUMP'                           => 14,
        'DHO_DOMAIN_NAME'                          => 15,
        'DHO_SWAP_SERVER'                          => 16,
        'DHO_ROOT_PATH'                            => 17,
        'DHO_EXTENSIONS_PATH'                      => 18,
        'DHO_IP_FORWARDING'                        => 19,
        'DHO_NON_LOCAL_SOURCE_ROUTING'             => 20,
        'DHO_POLICY_FILTER'                        => 21,
        'DHO_MAX_DGRAM_REASSEMBLY'                 => 22,
        'DHO_DEFAULT_IP_TTL'                       => 23,
        'DHO_PATH_MTU_AGING_TIMEOUT'               => 24,
        'DHO_PATH_MTU_PLATEAU_TABLE'               => 25,
        'DHO_INTERFACE_MTU'                        => 26,
        'DHO_ALL_SUBNETS_LOCAL'                    => 27,
        'DHO_BROADCAST_ADDRESS'                    => 28,
        'DHO_PERFORM_MASK_DISCOVERY'               => 29,
        'DHO_MASK_SUPPLIER'                        => 30,
        'DHO_ROUTER_DISCOVERY'                     => 31,
        'DHO_ROUTER_SOLICITATION_ADDRESS'          => 32,
        'DHO_STATIC_ROUTES'                        => 33,
        'DHO_TRAILER_ENCAPSULATION'                => 34,
        'DHO_ARP_CACHE_TIMEOUT'                    => 35,
        'DHO_IEEE802_3_ENCAPSULATION'              => 36,
        'DHO_DEFAULT_TCP_TTL'                      => 37,
        'DHO_TCP_KEEPALIVE_INTERVAL'               => 38,
        'DHO_TCP_KEEPALIVE_GARBAGE'                => 39,
        'DHO_NIS_DOMAIN'                           => 40,
        'DHO_NIS_SERVERS'                          => 41,
        'DHO_NTP_SERVERS'                          => 42,
        'DHO_VENDOR_ENCAPSULATED_OPTIONS'          => 43,
        'DHO_NETBIOS_NAME_SERVERS'                 => 44,
        'DHO_NETBIOS_DD_SERVER'                    => 45,
        'DHO_NETBIOS_NODE_TYPE'                    => 46,
        'DHO_NETBIOS_SCOPE'                        => 47,
        'DHO_FONT_SERVERS'                         => 48,
        'DHO_X_DISPLAY_MANAGER'                    => 49,
        'DHO_DHCP_REQUESTED_ADDRESS'               => 50,
        'DHO_DHCP_LEASE_TIME'                      => 51,
        'DHO_DHCP_OPTION_OVERLOAD'                 => 52,
        'DHO_DHCP_MESSAGE_TYPE'                    => 53,
        'DHO_DHCP_SERVER_IDENTIFIER'               => 54,
        'DHO_DHCP_PARAMETER_REQUEST_LIST'          => 55,
        'DHO_DHCP_MESSAGE'                         => 56,
        'DHO_DHCP_MAX_MESSAGE_SIZE'                => 57,
        'DHO_DHCP_RENEWAL_TIME'                    => 58,
        'DHO_DHCP_REBINDING_TIME'                  => 59,
        'DHO_VENDOR_CLASS_IDENTIFIER'              => 60,
        'DHO_DHCP_CLIENT_IDENTIFIER'               => 61,
        'DHO_NWIP_DOMAIN_NAME'                     => 62,
        'DHO_NWIP_SUBOPTIONS'                      => 63,
        'DHO_NISV3_DOMAIN'                         => 64,
        'DHO_NISV3_SERVER'                         => 65,
        'DHO_TFTP_SERVER'                          => 66, # actually named 'server name' by IANA
        'DHO_BOOTFILE'                             => 67,
        'DHO_MOBILE_IP_HOME_AGENT'                 => 68,
        'DHO_SMTP_SERVER'                          => 69,
        'DHO_POP3_SERVER'                          => 70,
        'DHO_NNTP_SERVER'                          => 71,
        'DHO_WWW_SERVER'                           => 72,
        'DHO_FINGER_SERVER'                        => 73,
        'DHO_IRC_SERVER'                           => 74,
        'DHO_STREETTALK_SERVER'                    => 75,
        'DHO_STDA_SERVER'                          => 76,
        'DHO_USER_CLASS'                           => 77,
        'DHO_DIRECTORY_AGENT'                      => 78,
        'DHO_SERVICE_SCOPE'                        => 79,
        'DHO_RAPID_COMMIT'                         => 80,
        'DHO_FQDN'                                 => 81,
        'DHO_DHCP_AGENT_OPTIONS'                   => 82,
        'DHO_ISNS'                                 => 83,
        'DHO_NDS_SERVERS'                          => 85,
        'DHO_NDS_TREE_NAME'                        => 86,
        'DHO_NDS_CONTEXT'                          => 87,
        'DHO_BCMCS_CONTROLLER_DOMAIN_NAME_LIST'    => 88,
        'DHO_BCMCS_CONTROLLER_IPV4_ADDRESS'        => 89,
        'DHO_AUTHENTICATION'                       => 90,
        'DHO_CLIENT_LAST_TRANSACTION_TIME'         => 91,
        'DHO_ASSOCIATED_IP'                        => 92,
        'DHO_CLIENT_SYSTEM'                        => 93,
        'DHO_CLIENT_NDI'                           => 94,
        'DHO_LDAP'                                 => 95,
        'DHO_UUID_GUID'                            => 97,
        'DHO_USER_AUTHENTICATION_PROTOCOL'         => 98,
        'DHO_GEOCONF_CIVIC'                        => 99,
        'DHO_PCODE'                                => 100,
        'DHO_TCODE'                                => 101,
        'DHO_NETINFO_ADDRESS'                      => 112,
        'DHO_NETINFO_TAG'                          => 113,
        'DHO_URL'                                  => 114,
        'DHO_AUTO_CONFIGURE'                       => 116,
        'DHO_NAME_SERVICE_SEARCH'                  => 117,
        'DHO_SUBNET_SELECTION'                     => 118,
        'DHO_DOMAIN_SEARCH'                        => 119,
        'DHO_SIP_SERVERS'                          => 120,
        'DHO_CLASSLESS_STATIC_ROUTE'               => 121,
        'DHO_CCC'                                  => 122,
        'DHO_GEOCONF'                              => 123,
        'DHO_VI_VENDOR_CLASS'                      => 124,
        'DHO_VI_VENDOR_SPECIFIC_INFOMATION'        => 125,
        'DHO_DOCSIS_FULL_SECURITY_SERVER_ADDRESS'  => 128,
        'DHO_TFTP_SERVER_IPPHONE'                  => 128,
        'DHO_ETHERBOOT_SIGNATURE'                  => 128,
        'DHO_CALL_SERVER_ADDRESS'                  => 129,
        'DHO_KERNEL_OPTIONS'                       => 129,
        'DHO_DISCRIMINATION_STRING'                => 130,
        'DHO_ETHERNET_INTERFACE'                   => 130,
        'DHO_REMOTE_STATISTICS_SERVER'             => 131,
        'DHO_VLAN_ID'                              => 132,
        'DHO_L2_PRIORITY'                          => 133,
        'DHO_DSCP'                                 => 134,
        'DHO_PXE'                                  => 135,
        'DHO_HTTP_PROXY_FORPHONES'                 => 135,

        'DHO_OPTION_PANA_AGENT'                    => 136,
        'DHO_OPTION_PANA_V4_LOST'                  => 137,
        'DHO_OPTION_CAPWAP_AC_V4'                  => 138,
        'DHO_OPTION_IPV4_ADDRESS_MOS'              => 139,
        'DHO_OPTION_IPV4_FQDN_MOS'                 => 140,
        'DHO_SIP_UA_CONFIGURATION_SERVICE_DOMAINS' => 141,
        'DHO_GRUB_CONF_PATH'                       => 150,
        'DHO_TFTP_SERVER_ADDRESS'                  => 150,    # not to be confused with 66
        'DHO_ETHERBOOT'                            => 150,
        'DHO_IP_TELEPHONE'                         => 176,
        'DHO_PACKETCABLE_DEPRECATED'               => 177,
        'DHO_ETHERBOOT_TENTATIVE'                  => 177,
        'DHO_PXELINUX_MAGIC'                       => 208,
        'DHO_CONFIGURATION_FILE'                   => 209,
        'DHO_PATH_PREFIX'                          => 210,
        'DHO_REBOOT_TIME'                          => 211,
        'DHO_OPTION_6RD'                           => 212,
        'DHO_OPTION_V4_ACCESS_DOMAIN'              => 213,
        'DHO_SUBNET_ALLOCATION'                    => 220,
        'DHO_VIRTUAL_SUBNET'                       => 221,

        'DHO_CLASSLESS_STATIC_ROUTE_MS'            => 249,

        'DHO_END' => 255
    );

    # Type 53 codes...
    %DHCP_MESSAGE = (

        # RFC2132
        'DHCPDISCOVER'   => 1,
        'DHCPOFFER'      => 2,
        'DHCPREQUEST'    => 3,
        'DHCPDECLINE'    => 4,
        'DHCPACK'        => 5,
        'DHCPNAK'        => 6,
        'DHCPRELEASE'    => 7,
        'DHCPINFORM'     => 8,
        'DHCPFORCERENEW' => 9,

        # RFC4388
        'DHCPLEASEQUERY'      => 10
        , # This is now ratified in RFC4388. If you have an old crappy CMTS you might need to change it with 13
        'DHCPLEASEUNASSIGNED' => 11,
        'DHCPLEASEUNKNOWN'    => 12,
        'DHCPLEASEACTIVE'     => 13,

    );

    # Type 63 sub-option codes...
    %NWIP_CODES = (
        'NWIP_DOES_NOT_EXIST'        => 1,
        'NWIP_EXIST_IN_OPTIONS_AREA' => 2,
        'NWIP_EXIST_IN_SNAME_FILE'   => 3,
        'NWIP_EXIST_BUT_TOO_BIG'     => 4,
        'NWIP_NSQ_BROADCAST'         => 5,
        'NWIP_PREFERRED_DSS'         => 6,
        'NWIP_NEAREST_NWIP_SERVER'   => 7,
        'NWIP_AUTORETRIES'           => 8,
        'NWIP_AUTORETRY_SECS'        => 9,
        'NWIP_1_1'                   => 10,
        'NWIP_PRIMARY_DSS'           => 11,

        #'Unassigned' => '12-255'
    );

    # Type 122 sub option codes
    %CCC_CODES = (
        'CCC_PRIMARY_DHCP_SERVER'        => 1,
        'CCC_SECONDARY_DHCP_SERVER'      => 2,
        'CCC_PROVISIONING_SERVER'        => 3,
        'CCC_AS_REQ_AS_REP_BACKOFFRETRY' => 4,
        'CCC_AP_REQ_AS_REP_BACKOFFRETRY' => 5,
        'CCC_KERBEROS_REALM'             => 6,
        'CCC_TICKET_SERVER_UTILIZATION'  => 7,
        'CCC_PROVISIONING_TIMER'         => 8,
        'CCC_SECURITY_TICKET_CONTROL'    => 9,
        'CCC_KDC_SERVER'                 => 10,
    );

    # Type 123 sub option codes (there are more, but im not sure how to deal with them)
    %GEOCONF_CODES = (
        'GEO_METERS' => 1,
        'GEO_FLOORS' => 2,
    );

    # Type 82 sub option codes
    %RELAYAGENT_CODES = (
        'RAI_CIRCUIT_ID'         => 1,
        'RAI_REMOTE_ID'          => 2,
        'RAI_AGENT_ID'           => 3,
        'RAI_DOCSIS_CLASS'       => 4,
        'RAI_LINK_SELECTION'     => 5,
        'RAI_SUBSCRIBER_ID'      => 6,
        'RAI_RADIUS_ATTRIBUTES'  => 7,
        'RAI_AUTHENTICATION'     => 8,
        'RAI_VENDOR_INFO'        => 9,
        'RAI_FLAGS'              => 10,
        'RAI_SERVER_ID_OVERRIDE' => 11,
        'RAI_DHCPV4_VIRTUAL_SUBNET_SELECTION' => 151, # rfc 6607
        'RAI_DHCPV4_VIRTUAL_SUBNET_SELECTION_CONTROL' => 152, # rfc 6607
    );
}

use constant \%DHO_CODES;
%REV_DHO_CODES = reverse %DHO_CODES;

use constant \%DHCP_MESSAGE;
%REV_DHCP_MESSAGE = reverse %DHCP_MESSAGE;

use constant \%BOOTP_CODES;
%REV_BOOTP_CODES = reverse %BOOTP_CODES;    # for reverse lookup

use constant \%HTYPE_CODES;
%REV_HTYPE_CODES = reverse %HTYPE_CODES;    # for reverse lookup

use constant \%NWIP_CODES;
%REV_NWIP_CODES = reverse %NWIP_CODES;

use constant \%CCC_CODES;
%REV_CCC_CODES = reverse %CCC_CODES;

use constant \%GEOCONF_CODES;
%REV_GEOCONF_CODES = reverse %GEOCONF_CODES;

use constant \%RELAYAGENT_CODES;
%REV_RELAYAGENT_CODES = reverse %RELAYAGENT_CODES;

use constant \%RELAYAGENT_FORMATS;
%REV_RELAYAGENT_FORMATS = reverse %RELAYAGENT_FORMATS;

#
# Format of DHCP options : for pretty-printing
#   void : no parameter
#   inet : 4 bytes IP address
#   inets : list of 4 bytes IP addresses
#   inets2 : list of 4 bytes IP addresses pairs (multiple of 8 bytes)
#   int : 4 bytes integer
#   short : 2 bytes integer
#   shorts : list of 2 bytes integers
#   byte : 1 byte int
#   bytes : list of 1 byte code
#   string : char* (just kidding)
#   relays : DHCP sub-options (rfc 3046)
#   ids : client identifier : byte (htype) + string (chaddr)
#   csr : classless static routes (rfc 3442)
#   suboptions : hex encoded sub options
#
our %DHO_FORMATS = (
    DHO_PAD()                         => 'void',
    DHO_SUBNET_MASK()                 => 'inet',
    DHO_TIME_OFFSET()                 => 'int',
    DHO_ROUTERS()                     => 'inets',
    DHO_TIME_SERVERS()                => 'inets',
    DHO_NAME_SERVERS()                => 'inets',
    DHO_DOMAIN_NAME_SERVERS()         => 'inets',
    DHO_LOG_SERVERS()                 => 'inets',
    DHO_COOKIE_SERVERS()              => 'inets',
    DHO_LPR_SERVERS()                 => 'inets',
    DHO_IMPRESS_SERVERS()             => 'inets',
    DHO_RESOURCE_LOCATION_SERVERS()   => 'inets',
    DHO_HOST_NAME()                   => 'string',
    DHO_BOOT_SIZE()                   => 'short',
    DHO_MERIT_DUMP()                  => 'string',
    DHO_DOMAIN_NAME()                 => 'string',
    DHO_SWAP_SERVER()                 => 'inet',
    DHO_ROOT_PATH()                   => 'string',
    DHO_EXTENSIONS_PATH()             => 'string',
    DHO_IP_FORWARDING()               => 'byte',
    DHO_NON_LOCAL_SOURCE_ROUTING()    => 'byte',
    DHO_POLICY_FILTER()               => 'inets2',
    DHO_MAX_DGRAM_REASSEMBLY()        => 'short',
    DHO_DEFAULT_IP_TTL()              => 'byte',
    DHO_PATH_MTU_AGING_TIMEOUT()      => 'int',
    DHO_PATH_MTU_PLATEAU_TABLE()      => 'shorts',
    DHO_INTERFACE_MTU()               => 'short',
    DHO_ALL_SUBNETS_LOCAL()           => 'byte',
    DHO_BROADCAST_ADDRESS()           => 'inet',
    DHO_PERFORM_MASK_DISCOVERY()      => 'byte',
    DHO_MASK_SUPPLIER()               => 'byte',
    DHO_ROUTER_DISCOVERY()            => 'byte',
    DHO_ROUTER_SOLICITATION_ADDRESS() => 'inet',
    DHO_STATIC_ROUTES()               => 'inets2',
    DHO_TRAILER_ENCAPSULATION()       => 'byte',
    DHO_ARP_CACHE_TIMEOUT()           => 'int',
    DHO_IEEE802_3_ENCAPSULATION()     => 'byte',
    DHO_DEFAULT_TCP_TTL()             => 'byte',
    DHO_TCP_KEEPALIVE_INTERVAL()      => 'int',
    DHO_TCP_KEEPALIVE_GARBAGE()       => 'byte',
    DHO_NIS_DOMAIN()                  => 'string',
    DHO_NIS_SERVERS()                 => 'inets',
    DHO_NTP_SERVERS()                 => 'inets',

    DHO_VENDOR_ENCAPSULATED_OPTIONS() => 'suboptions',
    DHO_NETBIOS_NAME_SERVERS()        => 'inets',
    DHO_NETBIOS_DD_SERVER()           => 'inets',
    DHO_NETBIOS_NODE_TYPE()           => 'byte',
    DHO_NETBIOS_SCOPE()               => 'string',
    DHO_FONT_SERVERS()                => 'inets',
    DHO_X_DISPLAY_MANAGER()           => 'inets',
    DHO_DHCP_REQUESTED_ADDRESS()      => 'inet',
    DHO_DHCP_LEASE_TIME()             => 'int',
    DHO_DHCP_OPTION_OVERLOAD()        => 'byte',
    DHO_DHCP_MESSAGE_TYPE()           => 'byte',
    DHO_DHCP_SERVER_IDENTIFIER()      => 'inet',
    DHO_DHCP_PARAMETER_REQUEST_LIST() => 'bytes',
    DHO_DHCP_MESSAGE()                => 'string',
    DHO_DHCP_MAX_MESSAGE_SIZE()       => 'short',
    DHO_DHCP_RENEWAL_TIME()           => 'int',
    DHO_DHCP_REBINDING_TIME()         => 'int',
    DHO_VENDOR_CLASS_IDENTIFIER()     => 'string',

    DHO_DHCP_CLIENT_IDENTIFIER()      => 'clientid',
    DHO_NWIP_DOMAIN_NAME()            => 'string',    # rfc 2242

    DHO_NWIP_SUBOPTIONS()             => 'suboptions',                    # rfc 2242
    DHO_NISV3_DOMAIN()                => 'string',
    DHO_NISV3_SERVER()                => 'string',
    DHO_TFTP_SERVER()                 => 'string',
    DHO_BOOTFILE()                    => 'string', # 67
    DHO_MOBILE_IP_HOME_AGENT()        => 'inets',
    DHO_SMTP_SERVER()                 => 'inets',
    DHO_POP3_SERVER()                 => 'inets',
    DHO_NNTP_SERVER()                 => 'inets',
    DHO_WWW_SERVER()                  => 'inets',
    DHO_FINGER_SERVER()               => 'inets',
    DHO_IRC_SERVER()                  => 'inets',
    DHO_STREETTALK_SERVER()           => 'inets',
    DHO_STDA_SERVER()                 => 'inets',

    DHO_SIP_SERVERS()                 => 'sipserv',
    DHO_CLASSLESS_STATIC_ROUTE()      => 'csr',        # rfc 3442
    DHO_CCC                           => 'suboptions', # 122

    # While not perfect, usage is primarily as a string.  iPXE is
    # a common use case for this option.
    DHO_USER_CLASS()                  => 'string',     # rfc 3004
#    DHO_FQDN()  => '',                              # draft-ietf-dhc-fqdn-option-10.txt
    DHO_DHCP_AGENT_OPTIONS()           => 'suboptions', # rfc 3046
#    DHO_DHCP_AGENT_OPTIONS()           => 'string',    # rfc 3046
    DHO_NDS_SERVERS()                  => 'inets',     # rfc 2241
    DHO_NDS_TREE_NAME()                => 'string',    # rfc 2241
    DHO_USER_AUTHENTICATION_PROTOCOL() => 'string',    # rfc 2485
    DHO_AUTO_CONFIGURE()               => 'byte',      # rfc 2563
    DHO_NAME_SERVICE_SEARCH()          => 'shorts',    # rfc 2937
    DHO_SUBNET_SELECTION()             => 'inet',      # rfc 3011

    DHO_CLASSLESS_STATIC_ROUTE_MS()   => 'csr',
);

%RELAYAGENT_FORMATS = (
        RAI_CIRCUIT_ID()       => 'hexa',
        RAI_REMOTE_ID()        => 'hexa',
#         RAI_AGENT_ID()           => 'hexa',
#         RAI_DOCSIS_CLASS()       => 'hexa',
#         RAI_LINK_SELECTION()     => 'hexa',
#         RAI_SUBSCRIBER_ID()      => 'hexa',
#         RAI_RADIUS_ATTRIBUTES()  => 'hexa',
#         RAI_AUTHENTICATION()     => 'hexa',
        RAI_VENDOR_INFO()        => 'hexa',
#         RAI_FLAGS()              => 'hexa',
#         RAI_SERVER_ID_OVERRIDE() => 'hexa',
#         RAI_DHCPV4_VIRTUAL_SUBNET_SELECTION() => 'hexa',
#         RAI_DHCPV4_VIRTUAL_SUBNET_SELECTION_CONTROL() => 'hexa',
),

our %SUBOPTION_FORMATS = (
    $DHO_CODES{'DHO_DHCP_AGENT_OPTIONS'}    => \%RELAYAGENT_FORMATS,
);

our %REV_SUBOPTION_FORMATS = (
    $DHO_CODES{'DHO_DHCP_AGENT_OPTIONS'}    => \%REV_RELAYAGENT_FORMATS,
);

# Links option codes with their suboption values
%SUBOPTION_CODES = (
    $DHO_CODES{'DHO_NWIP_SUBOPTIONS'}    => \%NWIP_CODES, # option 63
    $DHO_CODES{'DHO_DHCP_AGENT_OPTIONS'} => \%RELAYAGENT_CODES, # option 82
    $DHO_CODES{'DHO_CCC'}                => \%CCC_CODES,  # option 122
    $DHO_CODES{'DHO_GEOCONF'}            => \%GEOCONF_CODES, # option 123
);

# Links option codes with their reverse suboption values
%REV_SUBOPTION_CODES = (
    $DHO_CODES{'DHO_NWIP_SUBOPTIONS'}    => \%REV_NWIP_CODES, # option 63
    $DHO_CODES{'DHO_DHCP_AGENT_OPTIONS'} => \%REV_RELAYAGENT_CODES, # option 82
    $DHO_CODES{'DHO_CCC'}                => \%REV_CCC_CODES,  # option 122
    $DHO_CODES{'DHO_GEOCONF'}            => \%REV_GEOCONF_CODES, # option 123
);

1;

__END__