xref: /freebsd/sbin/dhclient/tables.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
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 #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 	{ "url", "t",					&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_DHCP_USER_CLASS_ID,
404 	DHO_DOMAIN_SEARCH,
405 	DHO_URL,
406 
407 	/* Presently-undefined options... */
408 	62, 63, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
409 	92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105,
410 	106, 107, 108, 109, 110, 111, 112, 113,      115, 116, 117,
411 	118,      120, 122, 123, 124, 125, 126, 127, 128, 129, 130,
412 	131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
413 	143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
414 	155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166,
415 	167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178,
416 	179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
417 	191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202,
418 	203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214,
419 	215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226,
420 	227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
421 	239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250,
422 	251, 252, 253, 254,
423 };
424 
425 int sizeof_dhcp_option_default_priority_list =
426 	sizeof(dhcp_option_default_priority_list);
427 
428 struct hash_table universe_hash;
429 
430 void
431 initialize_universes(void)
432 {
433 	int i;
434 
435 	dhcp_universe.name = "dhcp";
436 	dhcp_universe.hash = new_hash();
437 	if (!dhcp_universe.hash)
438 		error("Can't allocate dhcp option hash table.");
439 	for (i = 0; i < 256; i++) {
440 		dhcp_universe.options[i] = &dhcp_options[i];
441 		add_hash(dhcp_universe.hash,
442 		    (const unsigned char *)dhcp_options[i].name, 0,
443 		    (unsigned char *)&dhcp_options[i]);
444 	}
445 	universe_hash.hash_count = DEFAULT_HASH_SIZE;
446 	add_hash(&universe_hash,
447 	    (const unsigned char *)dhcp_universe.name, 0,
448 	    (unsigned char *)&dhcp_universe);
449 }
450