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
68struct universe dhcp_universe;
69struct 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 */
332unsigned 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
427int sizeof_dhcp_option_default_priority_list =
428	sizeof(dhcp_option_default_priority_list);
429
430struct hash_table universe_hash;
431
432void
433initialize_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}
452