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