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isc-dhcp/common/tables.c

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DHCP Server Daemon
1995-11-29 07:40:04 +00:00
/* tables.c
Tables of information... */
/*
* Copyright (c) 1995 The Internet Software Consortium. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of The Internet Software Consortium nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This software has been written for the Internet Software Consortium
* by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
* Enterprises. To learn more about the Internet Software Consortium,
* see ``http://www.vix.com/isc''. To learn more about Vixie
* Enterprises, see ``http://www.vix.com''.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1995 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
/* DHCP Option names, formats and codes, from RFC1533.
Format codes:
e - end of data
I - IP address
l - 32-bit signed integer
L - 32-bit unsigned integer
s - 16-bit signed integer
S - 16-bit unsigned integer
b - 8-bit signed integer
B - 8-bit unsigned integer
t - ASCII text
f - flag (true or false)
A - array of whatever precedes (e.g., IA means array of IP addresses)
*/
struct universe dhcp_universe;
struct option dhcp_options [256] = {
"pad", "", &dhcp_universe, 0,
"subnet-mask", "I", &dhcp_universe, 1,
"time-offset", "l", &dhcp_universe, 2,
"routers", "IA", &dhcp_universe, 3,
"time-servers", "IA", &dhcp_universe, 4,
"name-servers", "IA", &dhcp_universe, 5,
"domain-name-servers", "IA", &dhcp_universe, 6,
"log-servers", "IA", &dhcp_universe, 7,
"cookie-servers", "IA", &dhcp_universe, 8,
"lpr-servers", "IA", &dhcp_universe, 9,
"impress-servers", "IA", &dhcp_universe, 10,
"resource-location-servers", "IA", &dhcp_universe, 11,
"host-name", "t", &dhcp_universe, 12,
"boot-size", "S", &dhcp_universe, 13,
"merit-dump", "t", &dhcp_universe, 14,
"domain-name", "t", &dhcp_universe, 15,
"swap-server", "I", &dhcp_universe, 16,
"root-path", "t", &dhcp_universe, 17,
"extensions-path", "t", &dhcp_universe, 18,
"ip-forwarding", "f", &dhcp_universe, 19,
"non-local-source-routing", "f", &dhcp_universe, 20,
"policy-filter", "IIA", &dhcp_universe, 21,
"max-dgram-reassembly", "S", &dhcp_universe, 22,
"default-ip-ttl", "B", &dhcp_universe, 23,
"path-mtu-aging-timeout", "L", &dhcp_universe, 24,
"path-mtu-plateau-table", "SA", &dhcp_universe, 25,
"interface-mtu", "S", &dhcp_universe, 26,
"all-subnets-local", "f", &dhcp_universe, 27,
"broadcast-address", "I", &dhcp_universe, 28,
"perform-mask-discovery", "f", &dhcp_universe, 29,
"mask-supplier", "f", &dhcp_universe, 30,
"router-discovery", "f", &dhcp_universe, 31,
"router-solicitation-address", "I", &dhcp_universe, 32,
"static-routes", "IIA", &dhcp_universe, 33,
"trailer-encapsulation", "f", &dhcp_universe, 34,
"arp-cache-timeout", "L", &dhcp_universe, 35,
"ieee802.3-encapsulation", "f", &dhcp_universe, 36,
"default-tcp-ttl", "B", &dhcp_universe, 37,
"tcp-keepalive-interval", "L", &dhcp_universe, 38,
"tcp-keepalive-garbage", "f", &dhcp_universe, 39,
"nis-domain", "t", &dhcp_universe, 40,
"nis-servers", "IA", &dhcp_universe, 41,
"ntp-servers", "IA", &dhcp_universe, 42,
"vendor-encapsulated-options", "t", &dhcp_universe, 43,
"netbios-name-servers", "IA", &dhcp_universe, 44,
"netbios-dd-server", "IA", &dhcp_universe, 45,
"netbios-node-type", "B", &dhcp_universe, 46,
"netbios-scope", "t", &dhcp_universe, 47,
"font-servers", "IA", &dhcp_universe, 48,
"x-display-manager", "IA", &dhcp_universe, 49,
"dhcp-requested-address", "I", &dhcp_universe, 50,
"dhcp-lease-time", "L", &dhcp_universe, 51,
"dhcp-option-overload", "B", &dhcp_universe, 52,
"dhcp-message-type", "B", &dhcp_universe, 53,
"dhcp-server-identifier", "I", &dhcp_universe, 54,
"dhcp-parameter-request-list", "BA", &dhcp_universe, 55,
"dhcp-message", "t", &dhcp_universe, 56,
"dhcp-max-message-size", "S", &dhcp_universe, 57,
"dhcp-renewal-time", "L", &dhcp_universe, 58,
"dhcp-rebinding-time", "L", &dhcp_universe, 59,
"dhcp-class-identifier", "t", &dhcp_universe, 60,
"dhcp-client-identifier", "t", &dhcp_universe, 61,
"option-62", "", &dhcp_universe, 62,
"option-63", "", &dhcp_universe, 63,
"option-64", "", &dhcp_universe, 64,
"option-65", "", &dhcp_universe, 65,
"option-66", "", &dhcp_universe, 66,
"option-67", "", &dhcp_universe, 67,
"option-68", "", &dhcp_universe, 68,
"option-69", "", &dhcp_universe, 69,
"option-70", "", &dhcp_universe, 70,
"option-71", "", &dhcp_universe, 71,
"option-72", "", &dhcp_universe, 72,
"option-73", "", &dhcp_universe, 73,
"option-74", "", &dhcp_universe, 74,
"option-75", "", &dhcp_universe, 75,
"option-76", "", &dhcp_universe, 76,
"option-77", "", &dhcp_universe, 77,
"option-78", "", &dhcp_universe, 78,
"option-79", "", &dhcp_universe, 79,
"option-80", "", &dhcp_universe, 80,
"option-81", "", &dhcp_universe, 81,
"option-82", "", &dhcp_universe, 82,
"option-83", "", &dhcp_universe, 83,
"option-84", "", &dhcp_universe, 84,
"option-85", "", &dhcp_universe, 85,
"option-86", "", &dhcp_universe, 86,
"option-87", "", &dhcp_universe, 87,
"option-88", "", &dhcp_universe, 88,
"option-89", "", &dhcp_universe, 89,
"option-90", "", &dhcp_universe, 90,
"option-91", "", &dhcp_universe, 91,
"option-92", "", &dhcp_universe, 92,
"option-93", "", &dhcp_universe, 93,
"option-94", "", &dhcp_universe, 94,
"option-95", "", &dhcp_universe, 95,
"option-96", "", &dhcp_universe, 96,
"option-97", "", &dhcp_universe, 97,
"option-98", "", &dhcp_universe, 98,
"option-99", "", &dhcp_universe, 99,
"option-100", "", &dhcp_universe, 100,
"option-101", "", &dhcp_universe, 101,
"option-102", "", &dhcp_universe, 102,
"option-103", "", &dhcp_universe, 103,
"option-104", "", &dhcp_universe, 104,
"option-105", "", &dhcp_universe, 105,
"option-106", "", &dhcp_universe, 106,
"option-107", "", &dhcp_universe, 107,
"option-108", "", &dhcp_universe, 108,
"option-109", "", &dhcp_universe, 109,
"option-110", "", &dhcp_universe, 110,
"option-111", "", &dhcp_universe, 111,
"option-112", "", &dhcp_universe, 112,
"option-113", "", &dhcp_universe, 113,
"option-114", "", &dhcp_universe, 114,
"option-115", "", &dhcp_universe, 115,
"option-116", "", &dhcp_universe, 116,
"option-117", "", &dhcp_universe, 117,
"option-118", "", &dhcp_universe, 118,
"option-119", "", &dhcp_universe, 119,
"option-120", "", &dhcp_universe, 120,
"option-121", "", &dhcp_universe, 121,
"option-122", "", &dhcp_universe, 122,
"option-123", "", &dhcp_universe, 123,
"option-124", "", &dhcp_universe, 124,
"option-125", "", &dhcp_universe, 125,
"option-126", "", &dhcp_universe, 126,
"option-127", "", &dhcp_universe, 127,
"option-128", "", &dhcp_universe, 128,
"option-129", "", &dhcp_universe, 129,
"option-130", "", &dhcp_universe, 130,
"option-131", "", &dhcp_universe, 131,
"option-132", "", &dhcp_universe, 132,
"option-133", "", &dhcp_universe, 133,
"option-134", "", &dhcp_universe, 134,
"option-135", "", &dhcp_universe, 135,
"option-136", "", &dhcp_universe, 136,
"option-137", "", &dhcp_universe, 137,
"option-138", "", &dhcp_universe, 138,
"option-139", "", &dhcp_universe, 139,
"option-140", "", &dhcp_universe, 140,
"option-141", "", &dhcp_universe, 141,
"option-142", "", &dhcp_universe, 142,
"option-143", "", &dhcp_universe, 143,
"option-144", "", &dhcp_universe, 144,
"option-145", "", &dhcp_universe, 145,
"option-146", "", &dhcp_universe, 146,
"option-147", "", &dhcp_universe, 147,
"option-148", "", &dhcp_universe, 148,
"option-149", "", &dhcp_universe, 149,
"option-150", "", &dhcp_universe, 150,
"option-151", "", &dhcp_universe, 151,
"option-152", "", &dhcp_universe, 152,
"option-153", "", &dhcp_universe, 153,
"option-154", "", &dhcp_universe, 154,
"option-155", "", &dhcp_universe, 155,
"option-156", "", &dhcp_universe, 156,
"option-157", "", &dhcp_universe, 157,
"option-158", "", &dhcp_universe, 158,
"option-159", "", &dhcp_universe, 159,
"option-160", "", &dhcp_universe, 160,
"option-161", "", &dhcp_universe, 161,
"option-162", "", &dhcp_universe, 162,
"option-163", "", &dhcp_universe, 163,
"option-164", "", &dhcp_universe, 164,
"option-165", "", &dhcp_universe, 165,
"option-166", "", &dhcp_universe, 166,
"option-167", "", &dhcp_universe, 167,
"option-168", "", &dhcp_universe, 168,
"option-169", "", &dhcp_universe, 169,
"option-170", "", &dhcp_universe, 170,
"option-171", "", &dhcp_universe, 171,
"option-172", "", &dhcp_universe, 172,
"option-173", "", &dhcp_universe, 173,
"option-174", "", &dhcp_universe, 174,
"option-175", "", &dhcp_universe, 175,
"option-176", "", &dhcp_universe, 176,
"option-177", "", &dhcp_universe, 177,
"option-178", "", &dhcp_universe, 178,
"option-179", "", &dhcp_universe, 179,
"option-180", "", &dhcp_universe, 180,
"option-181", "", &dhcp_universe, 181,
"option-182", "", &dhcp_universe, 182,
"option-183", "", &dhcp_universe, 183,
"option-184", "", &dhcp_universe, 184,
"option-185", "", &dhcp_universe, 185,
"option-186", "", &dhcp_universe, 186,
"option-187", "", &dhcp_universe, 187,
"option-188", "", &dhcp_universe, 188,
"option-189", "", &dhcp_universe, 189,
"option-190", "", &dhcp_universe, 190,
"option-191", "", &dhcp_universe, 191,
"option-192", "", &dhcp_universe, 192,
"option-193", "", &dhcp_universe, 193,
"option-194", "", &dhcp_universe, 194,
"option-195", "", &dhcp_universe, 195,
"option-196", "", &dhcp_universe, 196,
"option-197", "", &dhcp_universe, 197,
"option-198", "", &dhcp_universe, 198,
"option-199", "", &dhcp_universe, 199,
"option-200", "", &dhcp_universe, 200,
"option-201", "", &dhcp_universe, 201,
"option-202", "", &dhcp_universe, 202,
"option-203", "", &dhcp_universe, 203,
"option-204", "", &dhcp_universe, 204,
"option-205", "", &dhcp_universe, 205,
"option-206", "", &dhcp_universe, 206,
"option-207", "", &dhcp_universe, 207,
"option-208", "", &dhcp_universe, 208,
"option-209", "", &dhcp_universe, 209,
"option-210", "", &dhcp_universe, 210,
"option-211", "", &dhcp_universe, 211,
"option-212", "", &dhcp_universe, 212,
"option-213", "", &dhcp_universe, 213,
"option-214", "", &dhcp_universe, 214,
"option-215", "", &dhcp_universe, 215,
"option-216", "", &dhcp_universe, 216,
"option-217", "", &dhcp_universe, 217,
"option-218", "", &dhcp_universe, 218,
"option-219", "", &dhcp_universe, 219,
"option-220", "", &dhcp_universe, 220,
"option-221", "", &dhcp_universe, 221,
"option-222", "", &dhcp_universe, 222,
"option-223", "", &dhcp_universe, 223,
"option-224", "", &dhcp_universe, 224,
"option-225", "", &dhcp_universe, 225,
"option-226", "", &dhcp_universe, 226,
"option-227", "", &dhcp_universe, 227,
"option-228", "", &dhcp_universe, 228,
"option-229", "", &dhcp_universe, 229,
"option-230", "", &dhcp_universe, 230,
"option-231", "", &dhcp_universe, 231,
"option-232", "", &dhcp_universe, 232,
"option-233", "", &dhcp_universe, 233,
"option-234", "", &dhcp_universe, 234,
"option-235", "", &dhcp_universe, 235,
"option-236", "", &dhcp_universe, 236,
"option-237", "", &dhcp_universe, 237,
"option-238", "", &dhcp_universe, 238,
"option-239", "", &dhcp_universe, 239,
"option-240", "", &dhcp_universe, 240,
"option-241", "", &dhcp_universe, 241,
"option-242", "", &dhcp_universe, 242,
"option-243", "", &dhcp_universe, 243,
"option-244", "", &dhcp_universe, 244,
"option-245", "", &dhcp_universe, 245,
"option-246", "", &dhcp_universe, 246,
"option-247", "", &dhcp_universe, 247,
"option-248", "", &dhcp_universe, 248,
"option-249", "", &dhcp_universe, 249,
"option-250", "", &dhcp_universe, 250,
"option-251", "", &dhcp_universe, 251,
"option-252", "", &dhcp_universe, 252,
"option-253", "", &dhcp_universe, 253,
"option-254", "", &dhcp_universe, 254,
"option-end", "e", &dhcp_universe, 255,
};
/* Default dhcp option priority list (this is ad hoc and should not be
mistaken for a carefully crafted and optimized list). */
unsigned char dhcp_option_default_priority_list [] = {
DHO_SUBNET_MASK,
DHO_TIME_OFFSET,
DHO_ROUTERS,
DHO_TIME_SERVERS,
DHO_NAME_SERVERS,
DHO_DOMAIN_NAME_SERVERS,
DHO_LOG_SERVERS,
DHO_COOKIE_SERVERS,
DHO_LPR_SERVERS,
DHO_IMPRESS_SERVERS,
DHO_RESOURCE_LOCATION_SERVERS,
DHO_HOST_NAME,
DHO_BOOT_SIZE,
DHO_MERIT_DUMP,
DHO_DOMAIN_NAME,
DHO_SWAP_SERVER,
DHO_ROOT_PATH,
DHO_EXTENSIONS_PATH,
DHO_IP_FORWARDING,
DHO_NON_LOCAL_SOURCE_ROUTING,
DHO_POLICY_FILTER,
DHO_MAX_DGRAM_REASSEMBLY,
DHO_DEFAULT_IP_TTL,
DHO_PATH_MTU_AGING_TIMEOUT,
DHO_PATH_MTU_PLATEAU_TABLE,
DHO_INTERFACE_MTU,
DHO_ALL_SUBNETS_LOCAL,
DHO_BROADCAST_ADDRESS,
DHO_PERFORM_MASK_DISCOVERY,
DHO_MASK_SUPPLIER,
DHO_ROUTER_DISCOVERY,
DHO_ROUTER_SOLICITATION_ADDRESS,
DHO_STATIC_ROUTES,
DHO_TRAILER_ENCAPSULATION,
DHO_ARP_CACHE_TIMEOUT,
DHO_IEEE802_3_ENCAPSULATION,
DHO_DEFAULT_TCP_TTL,
DHO_TCP_KEEPALIVE_INTERVAL,
DHO_TCP_KEEPALIVE_GARBAGE,
DHO_NIS_DOMAIN,
DHO_NIS_SERVERS,
DHO_NTP_SERVERS,
DHO_VENDOR_ENCAPSULATED_OPTIONS,
DHO_NETBIOS_NAME_SERVERS,
DHO_NETBIOS_DD_SERVER,
DHO_NETBIOS_NODE_TYPE,
DHO_NETBIOS_SCOPE,
DHO_FONT_SERVERS,
DHO_X_DISPLAY_MANAGER,
DHO_DHCP_REQUESTED_ADDRESS,
DHO_DHCP_LEASE_TIME,
DHO_DHCP_OPTION_OVERLOAD,
DHO_DHCP_MESSAGE_TYPE,
DHO_DHCP_SERVER_IDENTIFIER,
DHO_DHCP_PARAMETER_REQUEST_LIST,
DHO_DHCP_MESSAGE,
DHO_DHCP_MAX_MESSAGE_SIZE,
DHO_DHCP_RENEWAL_TIME,
DHO_DHCP_REBINDING_TIME,
DHO_DHCP_CLASS_IDENTIFIER,
DHO_DHCP_CLIENT_IDENTIFIER,
};
int sizeof_dhcp_option_default_priority_list =
sizeof dhcp_option_default_priority_list;
struct hash_table universe_hash;
void initialize_universes()
{
int i;
dhcp_universe.name = "dhcp";
dhcp_universe.hash = new_hash ();
if (!dhcp_universe.hash)
error ("Can't allocate dhcp option hash table.");
for (i = 0; i < 256; i++) {
dhcp_universe.options [i] = &dhcp_options [i];
add_hash (dhcp_universe.hash, dhcp_options [i].name, 0,
(unsigned char *)&dhcp_options [i]);
}
universe_hash.hash_count = DEFAULT_HASH_SIZE;
add_hash (&universe_hash, dhcp_universe.name, 0,
(unsigned char *)&dhcp_universe);
}
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