sbin/dhclient/tables.c

   1 /*      $OpenBSD: tables.c,v 1.4 2004/05/04 20:28:40 deraadt Exp $      */
   2
   3 /* Tables of information... */
   4
   5 /*-
   6  * SPDX-License-Identifier: BSD-3-Clause
   7  *
   8  * Copyright (c) 1995, 1996 The Internet Software Consortium.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  *
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of The Internet Software Consortium nor the names
  21  *    of its contributors may be used to endorse or promote products derived
  22  *    from this software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
  25  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28  * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
  29  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  32  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  33  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  34  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  35  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  * This software has been written for the Internet Software Consortium
  39  * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
  40  * Enterprises.  To learn more about the Internet Software Consortium,
  41  * see ``http://www.vix.com/isc''.  To learn more about Vixie
  42  * Enterprises, see ``http://www.vix.com''.
  43  */
  44
  45 #include <sys/cdefs.h>
  46 __FBSDID("$FreeBSD$");
  47
  48 #include "dhcpd.h"
  49
  50 /*
  51  * DHCP Option names, formats and codes, from RFC1533.
  52  *
  53  * Format codes:
  54  *
  55  * e - end of data
  56  * I - IP address
  57  * l - 32-bit signed integer
  58  * L - 32-bit unsigned integer
  59  * s - 16-bit signed integer
  60  * S - 16-bit unsigned integer
  61  * b - 8-bit signed integer
  62  * B - 8-bit unsigned integer
  63  * t - ASCII text
  64  * f - flag (true or false)
  65  * A - array of whatever precedes (e.g., IA means array of IP addresses)
  66  */
  67
  68 struct universe dhcp_universe;
  69 struct option dhcp_options[256] = {
  70         { "pad", "",                                    &dhcp_universe, 0 },
  71         { "subnet-mask", "I",                           &dhcp_universe, 1 },
  72         { "time-offset", "l",                           &dhcp_universe, 2 },
  73         { "routers", "IA",                              &dhcp_universe, 3 },
  74         { "time-servers", "IA",                         &dhcp_universe, 4 },
  75         { "ien116-name-servers", "IA",                  &dhcp_universe, 5 },
  76         { "domain-name-servers", "IA",                  &dhcp_universe, 6 },
  77         { "log-servers", "IA",                          &dhcp_universe, 7 },
  78         { "cookie-servers", "IA",                       &dhcp_universe, 8 },
  79         { "lpr-servers", "IA",                          &dhcp_universe, 9 },
  80         { "impress-servers", "IA",                      &dhcp_universe, 10 },
  81         { "resource-location-servers", "IA",            &dhcp_universe, 11 },
  82         { "host-name", "t",                             &dhcp_universe, 12 },
  83         { "boot-size", "S",                             &dhcp_universe, 13 },
  84         { "merit-dump", "t",                            &dhcp_universe, 14 },
  85         { "domain-name", "t",                           &dhcp_universe, 15 },
  86         { "swap-server", "I",                           &dhcp_universe, 16 },
  87         { "root-path", "t",                             &dhcp_universe, 17 },
  88         { "extensions-path", "t",                       &dhcp_universe, 18 },
  89         { "ip-forwarding", "f",                         &dhcp_universe, 19 },
  90         { "non-local-source-routing", "f",              &dhcp_universe, 20 },
  91         { "policy-filter", "IIA",                       &dhcp_universe, 21 },
  92         { "max-dgram-reassembly", "S",                  &dhcp_universe, 22 },
  93         { "default-ip-ttl", "B",                        &dhcp_universe, 23 },
  94         { "path-mtu-aging-timeout", "L",                &dhcp_universe, 24 },
  95         { "path-mtu-plateau-table", "SA",               &dhcp_universe, 25 },
  96         { "interface-mtu", "S",                         &dhcp_universe, 26 },
  97         { "all-subnets-local", "f",                     &dhcp_universe, 27 },
  98         { "broadcast-address", "I",                     &dhcp_universe, 28 },
  99         { "perform-mask-discovery", "f",                &dhcp_universe, 29 },
 100         { "mask-supplier", "f",                         &dhcp_universe, 30 },
 101         { "router-discovery", "f",                      &dhcp_universe, 31 },
 102         { "router-solicitation-address", "I",           &dhcp_universe, 32 },
 103         { "static-routes", "IIA",                       &dhcp_universe, 33 },
 104         { "trailer-encapsulation", "f",                 &dhcp_universe, 34 },
 105         { "arp-cache-timeout", "L",                     &dhcp_universe, 35 },
 106         { "ieee802-3-encapsulation", "f",               &dhcp_universe, 36 },
 107         { "default-tcp-ttl", "B",                       &dhcp_universe, 37 },
 108         { "tcp-keepalive-interval", "L",                &dhcp_universe, 38 },
 109         { "tcp-keepalive-garbage", "f",                 &dhcp_universe, 39 },
 110         { "nis-domain", "t",                            &dhcp_universe, 40 },
 111         { "nis-servers", "IA",                          &dhcp_universe, 41 },
 112         { "ntp-servers", "IA",                          &dhcp_universe, 42 },
 113         { "vendor-encapsulated-options", "X",           &dhcp_universe, 43 },
 114         { "netbios-name-servers", "IA",                 &dhcp_universe, 44 },
 115         { "netbios-dd-server", "IA",                    &dhcp_universe, 45 },
 116         { "netbios-node-type", "B",                     &dhcp_universe, 46 },
 117         { "netbios-scope", "t",                         &dhcp_universe, 47 },
 118         { "font-servers", "IA",                         &dhcp_universe, 48 },
 119         { "x-display-manager", "IA",                    &dhcp_universe, 49 },
 120         { "dhcp-requested-address", "I",                &dhcp_universe, 50 },
 121         { "dhcp-lease-time", "L",                       &dhcp_universe, 51 },
 122         { "dhcp-option-overload", "B",                  &dhcp_universe, 52 },
 123         { "dhcp-message-type", "B",                     &dhcp_universe, 53 },
 124         { "dhcp-server-identifier", "I",                &dhcp_universe, 54 },
 125         { "dhcp-parameter-request-list", "BA",          &dhcp_universe, 55 },
 126         { "dhcp-message", "t",                          &dhcp_universe, 56 },
 127         { "dhcp-max-message-size", "S",                 &dhcp_universe, 57 },
 128         { "dhcp-renewal-time", "L",                     &dhcp_universe, 58 },
 129         { "dhcp-rebinding-time", "L",                   &dhcp_universe, 59 },
 130         { "dhcp-class-identifier", "t",                 &dhcp_universe, 60 },
 131         { "dhcp-client-identifier", "X",                &dhcp_universe, 61 },
 132         { "option-62", "X",                             &dhcp_universe, 62 },
 133         { "option-63", "X",                             &dhcp_universe, 63 },
 134         { "nisplus-domain", "t",                        &dhcp_universe, 64 },
 135         { "nisplus-servers", "IA",                      &dhcp_universe, 65 },
 136         { "tftp-server-name", "t",                      &dhcp_universe, 66 },
 137         { "bootfile-name", "t",                         &dhcp_universe, 67 },
 138         { "mobile-ip-home-agent", "IA",                 &dhcp_universe, 68 },
 139         { "smtp-server", "IA",                          &dhcp_universe, 69 },
 140         { "pop-server", "IA",                           &dhcp_universe, 70 },
 141         { "nntp-server", "IA",                          &dhcp_universe, 71 },
 142         { "www-server", "IA",                           &dhcp_universe, 72 },
 143         { "finger-server", "IA",                        &dhcp_universe, 73 },
 144         { "irc-server", "IA",                           &dhcp_universe, 74 },
 145         { "streettalk-server", "IA",                    &dhcp_universe, 75 },
 146         { "streettalk-directory-assistance-server", "IA", &dhcp_universe, 76 },
 147         { "user-class", "t",                            &dhcp_universe, 77 },
 148         { "option-78", "X",                             &dhcp_universe, 78 },
 149         { "option-79", "X",                             &dhcp_universe, 79 },
 150         { "option-80", "X",                             &dhcp_universe, 80 },
 151         { "option-81", "X",                             &dhcp_universe, 81 },
 152         { "option-82", "X",                             &dhcp_universe, 82 },
 153         { "option-83", "X",                             &dhcp_universe, 83 },
 154         { "option-84", "X",                             &dhcp_universe, 84 },
 155         { "nds-servers", "IA",                          &dhcp_universe, 85 },
 156         { "nds-tree-name", "X",                         &dhcp_universe, 86 },
 157         { "nds-context", "X",                           &dhcp_universe, 87 },
 158         { "option-88", "X",                             &dhcp_universe, 88 },
 159         { "option-89", "X",                             &dhcp_universe, 89 },
 160         { "option-90", "X",                             &dhcp_universe, 90 },
 161         { "option-91", "X",                             &dhcp_universe, 91 },
 162         { "option-92", "X",                             &dhcp_universe, 92 },
 163         { "option-93", "X",                             &dhcp_universe, 93 },
 164         { "option-94", "X",                             &dhcp_universe, 94 },
 165         { "option-95", "X",                             &dhcp_universe, 95 },
 166         { "option-96", "X",                             &dhcp_universe, 96 },
 167         { "option-97", "X",                             &dhcp_universe, 97 },
 168         { "option-98", "X",                             &dhcp_universe, 98 },
 169         { "option-99", "X",                             &dhcp_universe, 99 },
 170         { "option-100", "X",                            &dhcp_universe, 100 },
 171         { "option-101", "X",                            &dhcp_universe, 101 },
 172         { "option-102", "X",                            &dhcp_universe, 102 },
 173         { "option-103", "X",                            &dhcp_universe, 103 },
 174         { "option-104", "X",                            &dhcp_universe, 104 },
 175         { "option-105", "X",                            &dhcp_universe, 105 },
 176         { "option-106", "X",                            &dhcp_universe, 106 },
 177         { "option-107", "X",                            &dhcp_universe, 107 },
 178         { "option-108", "X",                            &dhcp_universe, 108 },
 179         { "option-109", "X",                            &dhcp_universe, 109 },
 180         { "option-110", "X",                            &dhcp_universe, 110 },
 181         { "option-111", "X",                            &dhcp_universe, 111 },
 182         { "option-112", "X",                            &dhcp_universe, 112 },
 183         { "option-113", "X",                            &dhcp_universe, 113 },
 184         { "url", "t",                                   &dhcp_universe, 114 },
 185         { "option-115", "X",                            &dhcp_universe, 115 },
 186         { "option-116", "X",                            &dhcp_universe, 116 },
 187         { "option-117", "X",                            &dhcp_universe, 117 },
 188         { "option-118", "X",                            &dhcp_universe, 118 },
 189         { "domain-search", "t",                         &dhcp_universe, 119 },
 190         { "option-120", "X",                            &dhcp_universe, 120 },
 191         { "classless-routes", "BA",                     &dhcp_universe, 121 },
 192         { "option-122", "X",                            &dhcp_universe, 122 },
 193         { "option-123", "X",                            &dhcp_universe, 123 },
 194         { "option-124", "X",                            &dhcp_universe, 124 },
 195         { "option-125", "X",                            &dhcp_universe, 125 },
 196         { "option-126", "X",                            &dhcp_universe, 126 },
 197         { "option-127", "X",                            &dhcp_universe, 127 },
 198         { "option-128", "X",                            &dhcp_universe, 128 },
 199         { "option-129", "X",                            &dhcp_universe, 129 },
 200         { "option-130", "X",                            &dhcp_universe, 130 },
 201         { "option-131", "X",                            &dhcp_universe, 131 },
 202         { "option-132", "X",                            &dhcp_universe, 132 },
 203         { "option-133", "X",                            &dhcp_universe, 133 },
 204         { "option-134", "X",                            &dhcp_universe, 134 },
 205         { "option-135", "X",                            &dhcp_universe, 135 },
 206         { "option-136", "X",                            &dhcp_universe, 136 },
 207         { "option-137", "X",                            &dhcp_universe, 137 },
 208         { "option-138", "X",                            &dhcp_universe, 138 },
 209         { "option-139", "X",                            &dhcp_universe, 139 },
 210         { "option-140", "X",                            &dhcp_universe, 140 },
 211         { "option-141", "X",                            &dhcp_universe, 141 },
 212         { "option-142", "X",                            &dhcp_universe, 142 },
 213         { "option-143", "X",                            &dhcp_universe, 143 },
 214         { "option-144", "X",                            &dhcp_universe, 144 },
 215         { "option-145", "X",                            &dhcp_universe, 145 },
 216         { "option-146", "X",                            &dhcp_universe, 146 },
 217         { "option-147", "X",                            &dhcp_universe, 147 },
 218         { "option-148", "X",                            &dhcp_universe, 148 },
 219         { "option-149", "X",                            &dhcp_universe, 149 },
 220         { "option-150", "X",                            &dhcp_universe, 150 },
 221         { "option-151", "X",                            &dhcp_universe, 151 },
 222         { "option-152", "X",                            &dhcp_universe, 152 },
 223         { "option-153", "X",                            &dhcp_universe, 153 },
 224         { "option-154", "X",                            &dhcp_universe, 154 },
 225         { "option-155", "X",                            &dhcp_universe, 155 },
 226         { "option-156", "X",                            &dhcp_universe, 156 },
 227         { "option-157", "X",                            &dhcp_universe, 157 },
 228         { "option-158", "X",                            &dhcp_universe, 158 },
 229         { "option-159", "X",                            &dhcp_universe, 159 },
 230         { "option-160", "X",                            &dhcp_universe, 160 },
 231         { "option-161", "X",                            &dhcp_universe, 161 },
 232         { "option-162", "X",                            &dhcp_universe, 162 },
 233         { "option-163", "X",                            &dhcp_universe, 163 },
 234         { "option-164", "X",                            &dhcp_universe, 164 },
 235         { "option-165", "X",                            &dhcp_universe, 165 },
 236         { "option-166", "X",                            &dhcp_universe, 166 },
 237         { "option-167", "X",                            &dhcp_universe, 167 },
 238         { "option-168", "X",                            &dhcp_universe, 168 },
 239         { "option-169", "X",                            &dhcp_universe, 169 },
 240         { "option-170", "X",                            &dhcp_universe, 170 },
 241         { "option-171", "X",                            &dhcp_universe, 171 },
 242         { "option-172", "X",                            &dhcp_universe, 172 },
 243         { "option-173", "X",                            &dhcp_universe, 173 },
 244         { "option-174", "X",                            &dhcp_universe, 174 },
 245         { "option-175", "X",                            &dhcp_universe, 175 },
 246         { "option-176", "X",                            &dhcp_universe, 176 },
 247         { "option-177", "X",                            &dhcp_universe, 177 },
 248         { "option-178", "X",                            &dhcp_universe, 178 },
 249         { "option-179", "X",                            &dhcp_universe, 179 },
 250         { "option-180", "X",                            &dhcp_universe, 180 },
 251         { "option-181", "X",                            &dhcp_universe, 181 },
 252         { "option-182", "X",                            &dhcp_universe, 182 },
 253         { "option-183", "X",                            &dhcp_universe, 183 },
 254         { "option-184", "X",                            &dhcp_universe, 184 },
 255         { "option-185", "X",                            &dhcp_universe, 185 },
 256         { "option-186", "X",                            &dhcp_universe, 186 },
 257         { "option-187", "X",                            &dhcp_universe, 187 },
 258         { "option-188", "X",                            &dhcp_universe, 188 },
 259         { "option-189", "X",                            &dhcp_universe, 189 },
 260         { "option-190", "X",                            &dhcp_universe, 190 },
 261         { "option-191", "X",                            &dhcp_universe, 191 },
 262         { "option-192", "X",                            &dhcp_universe, 192 },
 263         { "option-193", "X",                            &dhcp_universe, 193 },
 264         { "option-194", "X",                            &dhcp_universe, 194 },
 265         { "option-195", "X",                            &dhcp_universe, 195 },
 266         { "option-196", "X",                            &dhcp_universe, 196 },
 267         { "option-197", "X",                            &dhcp_universe, 197 },
 268         { "option-198", "X",                            &dhcp_universe, 198 },
 269         { "option-199", "X",                            &dhcp_universe, 199 },
 270         { "option-200", "X",                            &dhcp_universe, 200 },
 271         { "option-201", "X",                            &dhcp_universe, 201 },
 272         { "option-202", "X",                            &dhcp_universe, 202 },
 273         { "option-203", "X",                            &dhcp_universe, 203 },
 274         { "option-204", "X",                            &dhcp_universe, 204 },
 275         { "option-205", "X",                            &dhcp_universe, 205 },
 276         { "option-206", "X",                            &dhcp_universe, 206 },
 277         { "option-207", "X",                            &dhcp_universe, 207 },
 278         { "option-208", "X",                            &dhcp_universe, 208 },
 279         { "option-209", "X",                            &dhcp_universe, 209 },
 280         { "option-210", "X",                            &dhcp_universe, 210 },
 281         { "option-211", "X",                            &dhcp_universe, 211 },
 282         { "option-212", "X",                            &dhcp_universe, 212 },
 283         { "option-213", "X",                            &dhcp_universe, 213 },
 284         { "option-214", "X",                            &dhcp_universe, 214 },
 285         { "option-215", "X",                            &dhcp_universe, 215 },
 286         { "option-216", "X",                            &dhcp_universe, 216 },
 287         { "option-217", "X",                            &dhcp_universe, 217 },
 288         { "option-218", "X",                            &dhcp_universe, 218 },
 289         { "option-219", "X",                            &dhcp_universe, 219 },
 290         { "option-220", "X",                            &dhcp_universe, 220 },
 291         { "option-221", "X",                            &dhcp_universe, 221 },
 292         { "option-222", "X",                            &dhcp_universe, 222 },
 293         { "option-223", "X",                            &dhcp_universe, 223 },
 294         { "option-224", "X",                            &dhcp_universe, 224 },
 295         { "option-225", "X",                            &dhcp_universe, 225 },
 296         { "option-226", "X",                            &dhcp_universe, 226 },
 297         { "option-227", "X",                            &dhcp_universe, 227 },
 298         { "option-228", "X",                            &dhcp_universe, 228 },
 299         { "option-229", "X",                            &dhcp_universe, 229 },
 300         { "option-230", "X",                            &dhcp_universe, 230 },
 301         { "option-231", "X",                            &dhcp_universe, 231 },
 302         { "option-232", "X",                            &dhcp_universe, 232 },
 303         { "option-233", "X",                            &dhcp_universe, 233 },
 304         { "option-234", "X",                            &dhcp_universe, 234 },
 305         { "option-235", "X",                            &dhcp_universe, 235 },
 306         { "option-236", "X",                            &dhcp_universe, 236 },
 307         { "option-237", "X",                            &dhcp_universe, 237 },
 308         { "option-238", "X",                            &dhcp_universe, 238 },
 309         { "option-239", "X",                            &dhcp_universe, 239 },
 310         { "option-240", "X",                            &dhcp_universe, 240 },
 311         { "option-241", "X",                            &dhcp_universe, 241 },
 312         { "option-242", "X",                            &dhcp_universe, 242 },
 313         { "option-243", "X",                            &dhcp_universe, 243 },
 314         { "option-244", "X",                            &dhcp_universe, 244 },
 315         { "option-245", "X",                            &dhcp_universe, 245 },
 316         { "option-246", "X",                            &dhcp_universe, 246 },
 317         { "option-247", "X",                            &dhcp_universe, 247 },
 318         { "option-248", "X",                            &dhcp_universe, 248 },
 319         { "option-249", "X",                            &dhcp_universe, 249 },
 320         { "option-250", "X",                            &dhcp_universe, 250 },
 321         { "option-251", "X",                            &dhcp_universe, 251 },
 322         { "option-252", "X",                            &dhcp_universe, 252 },
 323         { "option-253", "X",                            &dhcp_universe, 253 },
 324         { "option-254", "X",                            &dhcp_universe, 254 },
 325         { "option-end", "e",                            &dhcp_universe, 255 },
 326 };
 327
 328 /*
 329  * Default dhcp option priority list (this is ad hoc and should not be
 330  * mistaken for a carefully crafted and optimized list).
 331  */
 332 unsigned char dhcp_option_default_priority_list[] = {
 333         DHO_DHCP_REQUESTED_ADDRESS,
 334         DHO_DHCP_OPTION_OVERLOAD,
 335         DHO_DHCP_MAX_MESSAGE_SIZE,
 336         DHO_DHCP_RENEWAL_TIME,
 337         DHO_DHCP_REBINDING_TIME,
 338         DHO_DHCP_CLASS_IDENTIFIER,
 339         DHO_DHCP_CLIENT_IDENTIFIER,
 340         DHO_SUBNET_MASK,
 341         DHO_TIME_OFFSET,
 342         DHO_CLASSLESS_ROUTES,
 343         DHO_ROUTERS,
 344         DHO_TIME_SERVERS,
 345         DHO_NAME_SERVERS,
 346         DHO_DOMAIN_NAME_SERVERS,
 347         DHO_HOST_NAME,
 348         DHO_LOG_SERVERS,
 349         DHO_COOKIE_SERVERS,
 350         DHO_LPR_SERVERS,
 351         DHO_IMPRESS_SERVERS,
 352         DHO_RESOURCE_LOCATION_SERVERS,
 353         DHO_HOST_NAME,
 354         DHO_BOOT_SIZE,
 355         DHO_MERIT_DUMP,
 356         DHO_DOMAIN_NAME,
 357         DHO_SWAP_SERVER,
 358         DHO_ROOT_PATH,
 359         DHO_EXTENSIONS_PATH,
 360         DHO_IP_FORWARDING,
 361         DHO_NON_LOCAL_SOURCE_ROUTING,
 362         DHO_POLICY_FILTER,
 363         DHO_MAX_DGRAM_REASSEMBLY,
 364         DHO_DEFAULT_IP_TTL,
 365         DHO_PATH_MTU_AGING_TIMEOUT,
 366         DHO_PATH_MTU_PLATEAU_TABLE,
 367         DHO_INTERFACE_MTU,
 368         DHO_ALL_SUBNETS_LOCAL,
 369         DHO_BROADCAST_ADDRESS,
 370         DHO_PERFORM_MASK_DISCOVERY,
 371         DHO_MASK_SUPPLIER,
 372         DHO_ROUTER_DISCOVERY,
 373         DHO_ROUTER_SOLICITATION_ADDRESS,
 374         DHO_STATIC_ROUTES,
 375         DHO_TRAILER_ENCAPSULATION,
 376         DHO_ARP_CACHE_TIMEOUT,
 377         DHO_IEEE802_3_ENCAPSULATION,
 378         DHO_DEFAULT_TCP_TTL,
 379         DHO_TCP_KEEPALIVE_INTERVAL,
 380         DHO_TCP_KEEPALIVE_GARBAGE,
 381         DHO_NIS_DOMAIN,
 382         DHO_NIS_SERVERS,
 383         DHO_NTP_SERVERS,
 384         DHO_VENDOR_ENCAPSULATED_OPTIONS,
 385         DHO_NETBIOS_NAME_SERVERS,
 386         DHO_NETBIOS_DD_SERVER,
 387         DHO_NETBIOS_NODE_TYPE,
 388         DHO_NETBIOS_SCOPE,
 389         DHO_FONT_SERVERS,
 390         DHO_X_DISPLAY_MANAGER,
 391         DHO_DHCP_PARAMETER_REQUEST_LIST,
 392         DHO_NISPLUS_DOMAIN,
 393         DHO_NISPLUS_SERVERS,
 394         DHO_TFTP_SERVER_NAME,
 395         DHO_BOOTFILE_NAME,
 396         DHO_MOBILE_IP_HOME_AGENT,
 397         DHO_SMTP_SERVER,
 398         DHO_POP_SERVER,
 399         DHO_NNTP_SERVER,
 400         DHO_WWW_SERVER,
 401         DHO_FINGER_SERVER,
 402         DHO_IRC_SERVER,
 403         DHO_STREETTALK_SERVER,
 404         DHO_STREETTALK_DA_SERVER,
 405         DHO_DHCP_USER_CLASS_ID,
 406         DHO_DOMAIN_SEARCH,
 407         DHO_URL,
 408
 409         /* Presently-undefined options... */
 410         62, 63, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
 411         92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105,
 412         106, 107, 108, 109, 110, 111, 112, 113,      115, 116, 117,
 413         118,      120, 122, 123, 124, 125, 126, 127, 128, 129, 130,
 414         131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
 415         143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
 416         155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166,
 417         167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178,
 418         179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
 419         191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202,
 420         203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214,
 421         215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226,
 422         227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
 423         239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250,
 424         251, 252, 253, 254,
 425 };
 426
 427 int sizeof_dhcp_option_default_priority_list =
 428         sizeof(dhcp_option_default_priority_list);
 429
 430 struct hash_table universe_hash;
 431
 432 void
 433 initialize_universes(void)
 434 {
 435         int i;
 436
 437         dhcp_universe.name = "dhcp";
 438         dhcp_universe.hash = new_hash();
 439         if (!dhcp_universe.hash)
 440                 error("Can't allocate dhcp option hash table.");
 441         for (i = 0; i < 256; i++) {
 442                 dhcp_universe.options[i] = &dhcp_options[i];
 443                 add_hash(dhcp_universe.hash,
 444                     (const unsigned char *)dhcp_options[i].name, 0,
 445                     (unsigned char *)&dhcp_options[i]);
 446         }
 447         universe_hash.hash_count = DEFAULT_HASH_SIZE;
 448         add_hash(&universe_hash,
 449             (const unsigned char *)dhcp_universe.name, 0,
 450             (unsigned char *)&dhcp_universe);
 451 }