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
66struct universe dhcp_universe;
67struct 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 */
330unsigned 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
425int sizeof_dhcp_option_default_priority_list =
426	sizeof(dhcp_option_default_priority_list);
427
428struct hash_table universe_hash;
429
430void
431initialize_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