xref: /freebsd/sbin/dhclient/tables.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
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 }
452