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Install the dhcp-options.5 manpage.
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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 "dhcpd.h"
44
45 /*
46  * DHCP Option names, formats and codes, from RFC1533.
47  *
48  * Format codes:
49  *
50  * e - end of data
51  * I - IP address
52  * l - 32-bit signed integer
53  * L - 32-bit unsigned integer
54  * s - 16-bit signed integer
55  * S - 16-bit unsigned integer
56  * b - 8-bit signed integer
57  * B - 8-bit unsigned integer
58  * t - ASCII text
59  * f - flag (true or false)
60  * A - array of whatever precedes (e.g., IA means array of IP addresses)
61  */
62
63 struct universe dhcp_universe;
64 struct option dhcp_options[256] = {
65         { "pad", "",                                    &dhcp_universe, 0 },
66         { "subnet-mask", "I",                           &dhcp_universe, 1 },
67         { "time-offset", "l",                           &dhcp_universe, 2 },
68         { "routers", "IA",                              &dhcp_universe, 3 },
69         { "time-servers", "IA",                         &dhcp_universe, 4 },
70         { "ien116-name-servers", "IA",                  &dhcp_universe, 5 },
71         { "domain-name-servers", "IA",                  &dhcp_universe, 6 },
72         { "log-servers", "IA",                          &dhcp_universe, 7 },
73         { "cookie-servers", "IA",                       &dhcp_universe, 8 },
74         { "lpr-servers", "IA",                          &dhcp_universe, 9 },
75         { "impress-servers", "IA",                      &dhcp_universe, 10 },
76         { "resource-location-servers", "IA",            &dhcp_universe, 11 },
77         { "host-name", "X",                             &dhcp_universe, 12 },
78         { "boot-size", "S",                             &dhcp_universe, 13 },
79         { "merit-dump", "t",                            &dhcp_universe, 14 },
80         { "domain-name", "t",                           &dhcp_universe, 15 },
81         { "swap-server", "I",                           &dhcp_universe, 16 },
82         { "root-path", "t",                             &dhcp_universe, 17 },
83         { "extensions-path", "t",                       &dhcp_universe, 18 },
84         { "ip-forwarding", "f",                         &dhcp_universe, 19 },
85         { "non-local-source-routing", "f",              &dhcp_universe, 20 },
86         { "policy-filter", "IIA",                       &dhcp_universe, 21 },
87         { "max-dgram-reassembly", "S",                  &dhcp_universe, 22 },
88         { "default-ip-ttl", "B",                        &dhcp_universe, 23 },
89         { "path-mtu-aging-timeout", "L",                &dhcp_universe, 24 },
90         { "path-mtu-plateau-table", "SA",               &dhcp_universe, 25 },
91         { "interface-mtu", "S",                         &dhcp_universe, 26 },
92         { "all-subnets-local", "f",                     &dhcp_universe, 27 },
93         { "broadcast-address", "I",                     &dhcp_universe, 28 },
94         { "perform-mask-discovery", "f",                &dhcp_universe, 29 },
95         { "mask-supplier", "f",                         &dhcp_universe, 30 },
96         { "router-discovery", "f",                      &dhcp_universe, 31 },
97         { "router-solicitation-address", "I",           &dhcp_universe, 32 },
98         { "static-routes", "IIA",                       &dhcp_universe, 33 },
99         { "trailer-encapsulation", "f",                 &dhcp_universe, 34 },
100         { "arp-cache-timeout", "L",                     &dhcp_universe, 35 },
101         { "ieee802-3-encapsulation", "f",               &dhcp_universe, 36 },
102         { "default-tcp-ttl", "B",                       &dhcp_universe, 37 },
103         { "tcp-keepalive-interval", "L",                &dhcp_universe, 38 },
104         { "tcp-keepalive-garbage", "f",                 &dhcp_universe, 39 },
105         { "nis-domain", "t",                            &dhcp_universe, 40 },
106         { "nis-servers", "IA",                          &dhcp_universe, 41 },
107         { "ntp-servers", "IA",                          &dhcp_universe, 42 },
108         { "vendor-encapsulated-options", "X",           &dhcp_universe, 43 },
109         { "netbios-name-servers", "IA",                 &dhcp_universe, 44 },
110         { "netbios-dd-server", "IA",                    &dhcp_universe, 45 },
111         { "netbios-node-type", "B",                     &dhcp_universe, 46 },
112         { "netbios-scope", "t",                         &dhcp_universe, 47 },
113         { "font-servers", "IA",                         &dhcp_universe, 48 },
114         { "x-display-manager", "IA",                    &dhcp_universe, 49 },
115         { "dhcp-requested-address", "I",                &dhcp_universe, 50 },
116         { "dhcp-lease-time", "L",                       &dhcp_universe, 51 },
117         { "dhcp-option-overload", "B",                  &dhcp_universe, 52 },
118         { "dhcp-message-type", "B",                     &dhcp_universe, 53 },
119         { "dhcp-server-identifier", "I",                &dhcp_universe, 54 },
120         { "dhcp-parameter-request-list", "BA",          &dhcp_universe, 55 },
121         { "dhcp-message", "t",                          &dhcp_universe, 56 },
122         { "dhcp-max-message-size", "S",                 &dhcp_universe, 57 },
123         { "dhcp-renewal-time", "L",                     &dhcp_universe, 58 },
124         { "dhcp-rebinding-time", "L",                   &dhcp_universe, 59 },
125         { "dhcp-class-identifier", "t",                 &dhcp_universe, 60 },
126         { "dhcp-client-identifier", "X",                &dhcp_universe, 61 },
127         { "option-62", "X",                             &dhcp_universe, 62 },
128         { "option-63", "X",                             &dhcp_universe, 63 },
129         { "nisplus-domain", "t",                        &dhcp_universe, 64 },
130         { "nisplus-servers", "IA",                      &dhcp_universe, 65 },
131         { "tftp-server-name", "t",                      &dhcp_universe, 66 },
132         { "bootfile-name", "t",                         &dhcp_universe, 67 },
133         { "mobile-ip-home-agent", "IA",                 &dhcp_universe, 68 },
134         { "smtp-server", "IA",                          &dhcp_universe, 69 },
135         { "pop-server", "IA",                           &dhcp_universe, 70 },
136         { "nntp-server", "IA",                          &dhcp_universe, 71 },
137         { "www-server", "IA",                           &dhcp_universe, 72 },
138         { "finger-server", "IA",                        &dhcp_universe, 73 },
139         { "irc-server", "IA",                           &dhcp_universe, 74 },
140         { "streettalk-server", "IA",                    &dhcp_universe, 75 },
141         { "streettalk-directory-assistance-server", "IA", &dhcp_universe, 76 },
142         { "user-class", "t",                            &dhcp_universe, 77 },
143         { "option-78", "X",                             &dhcp_universe, 78 },
144         { "option-79", "X",                             &dhcp_universe, 79 },
145         { "option-80", "X",                             &dhcp_universe, 80 },
146         { "option-81", "X",                             &dhcp_universe, 81 },
147         { "option-82", "X",                             &dhcp_universe, 82 },
148         { "option-83", "X",                             &dhcp_universe, 83 },
149         { "option-84", "X",                             &dhcp_universe, 84 },
150         { "nds-servers", "IA",                          &dhcp_universe, 85 },
151         { "nds-tree-name", "X",                         &dhcp_universe, 86 },
152         { "nds-context", "X",                           &dhcp_universe, 87 },
153         { "option-88", "X",                             &dhcp_universe, 88 },
154         { "option-89", "X",                             &dhcp_universe, 89 },
155         { "option-90", "X",                             &dhcp_universe, 90 },
156         { "option-91", "X",                             &dhcp_universe, 91 },
157         { "option-92", "X",                             &dhcp_universe, 92 },
158         { "option-93", "X",                             &dhcp_universe, 93 },
159         { "option-94", "X",                             &dhcp_universe, 94 },
160         { "option-95", "X",                             &dhcp_universe, 95 },
161         { "option-96", "X",                             &dhcp_universe, 96 },
162         { "option-97", "X",                             &dhcp_universe, 97 },
163         { "option-98", "X",                             &dhcp_universe, 98 },
164         { "option-99", "X",                             &dhcp_universe, 99 },
165         { "option-100", "X",                            &dhcp_universe, 100 },
166         { "option-101", "X",                            &dhcp_universe, 101 },
167         { "option-102", "X",                            &dhcp_universe, 102 },
168         { "option-103", "X",                            &dhcp_universe, 103 },
169         { "option-104", "X",                            &dhcp_universe, 104 },
170         { "option-105", "X",                            &dhcp_universe, 105 },
171         { "option-106", "X",                            &dhcp_universe, 106 },
172         { "option-107", "X",                            &dhcp_universe, 107 },
173         { "option-108", "X",                            &dhcp_universe, 108 },
174         { "option-109", "X",                            &dhcp_universe, 109 },
175         { "option-110", "X",                            &dhcp_universe, 110 },
176         { "option-111", "X",                            &dhcp_universe, 111 },
177         { "option-112", "X",                            &dhcp_universe, 112 },
178         { "option-113", "X",                            &dhcp_universe, 113 },
179         { "option-114", "X",                            &dhcp_universe, 114 },
180         { "option-115", "X",                            &dhcp_universe, 115 },
181         { "option-116", "X",                            &dhcp_universe, 116 },
182         { "option-117", "X",                            &dhcp_universe, 117 },
183         { "option-118", "X",                            &dhcp_universe, 118 },
184         { "option-119", "X",                            &dhcp_universe, 119 },
185         { "option-120", "X",                            &dhcp_universe, 120 },
186         { "option-121", "X",                            &dhcp_universe, 121 },
187         { "option-122", "X",                            &dhcp_universe, 122 },
188         { "option-123", "X",                            &dhcp_universe, 123 },
189         { "option-124", "X",                            &dhcp_universe, 124 },
190         { "option-125", "X",                            &dhcp_universe, 125 },
191         { "option-126", "X",                            &dhcp_universe, 126 },
192         { "option-127", "X",                            &dhcp_universe, 127 },
193         { "option-128", "X",                            &dhcp_universe, 128 },
194         { "option-129", "X",                            &dhcp_universe, 129 },
195         { "option-130", "X",                            &dhcp_universe, 130 },
196         { "option-131", "X",                            &dhcp_universe, 131 },
197         { "option-132", "X",                            &dhcp_universe, 132 },
198         { "option-133", "X",                            &dhcp_universe, 133 },
199         { "option-134", "X",                            &dhcp_universe, 134 },
200         { "option-135", "X",                            &dhcp_universe, 135 },
201         { "option-136", "X",                            &dhcp_universe, 136 },
202         { "option-137", "X",                            &dhcp_universe, 137 },
203         { "option-138", "X",                            &dhcp_universe, 138 },
204         { "option-139", "X",                            &dhcp_universe, 139 },
205         { "option-140", "X",                            &dhcp_universe, 140 },
206         { "option-141", "X",                            &dhcp_universe, 141 },
207         { "option-142", "X",                            &dhcp_universe, 142 },
208         { "option-143", "X",                            &dhcp_universe, 143 },
209         { "option-144", "X",                            &dhcp_universe, 144 },
210         { "option-145", "X",                            &dhcp_universe, 145 },
211         { "option-146", "X",                            &dhcp_universe, 146 },
212         { "option-147", "X",                            &dhcp_universe, 147 },
213         { "option-148", "X",                            &dhcp_universe, 148 },
214         { "option-149", "X",                            &dhcp_universe, 149 },
215         { "option-150", "X",                            &dhcp_universe, 150 },
216         { "option-151", "X",                            &dhcp_universe, 151 },
217         { "option-152", "X",                            &dhcp_universe, 152 },
218         { "option-153", "X",                            &dhcp_universe, 153 },
219         { "option-154", "X",                            &dhcp_universe, 154 },
220         { "option-155", "X",                            &dhcp_universe, 155 },
221         { "option-156", "X",                            &dhcp_universe, 156 },
222         { "option-157", "X",                            &dhcp_universe, 157 },
223         { "option-158", "X",                            &dhcp_universe, 158 },
224         { "option-159", "X",                            &dhcp_universe, 159 },
225         { "option-160", "X",                            &dhcp_universe, 160 },
226         { "option-161", "X",                            &dhcp_universe, 161 },
227         { "option-162", "X",                            &dhcp_universe, 162 },
228         { "option-163", "X",                            &dhcp_universe, 163 },
229         { "option-164", "X",                            &dhcp_universe, 164 },
230         { "option-165", "X",                            &dhcp_universe, 165 },
231         { "option-166", "X",                            &dhcp_universe, 166 },
232         { "option-167", "X",                            &dhcp_universe, 167 },
233         { "option-168", "X",                            &dhcp_universe, 168 },
234         { "option-169", "X",                            &dhcp_universe, 169 },
235         { "option-170", "X",                            &dhcp_universe, 170 },
236         { "option-171", "X",                            &dhcp_universe, 171 },
237         { "option-172", "X",                            &dhcp_universe, 172 },
238         { "option-173", "X",                            &dhcp_universe, 173 },
239         { "option-174", "X",                            &dhcp_universe, 174 },
240         { "option-175", "X",                            &dhcp_universe, 175 },
241         { "option-176", "X",                            &dhcp_universe, 176 },
242         { "option-177", "X",                            &dhcp_universe, 177 },
243         { "option-178", "X",                            &dhcp_universe, 178 },
244         { "option-179", "X",                            &dhcp_universe, 179 },
245         { "option-180", "X",                            &dhcp_universe, 180 },
246         { "option-181", "X",                            &dhcp_universe, 181 },
247         { "option-182", "X",                            &dhcp_universe, 182 },
248         { "option-183", "X",                            &dhcp_universe, 183 },
249         { "option-184", "X",                            &dhcp_universe, 184 },
250         { "option-185", "X",                            &dhcp_universe, 185 },
251         { "option-186", "X",                            &dhcp_universe, 186 },
252         { "option-187", "X",                            &dhcp_universe, 187 },
253         { "option-188", "X",                            &dhcp_universe, 188 },
254         { "option-189", "X",                            &dhcp_universe, 189 },
255         { "option-190", "X",                            &dhcp_universe, 190 },
256         { "option-191", "X",                            &dhcp_universe, 191 },
257         { "option-192", "X",                            &dhcp_universe, 192 },
258         { "option-193", "X",                            &dhcp_universe, 193 },
259         { "option-194", "X",                            &dhcp_universe, 194 },
260         { "option-195", "X",                            &dhcp_universe, 195 },
261         { "option-196", "X",                            &dhcp_universe, 196 },
262         { "option-197", "X",                            &dhcp_universe, 197 },
263         { "option-198", "X",                            &dhcp_universe, 198 },
264         { "option-199", "X",                            &dhcp_universe, 199 },
265         { "option-200", "X",                            &dhcp_universe, 200 },
266         { "option-201", "X",                            &dhcp_universe, 201 },
267         { "option-202", "X",                            &dhcp_universe, 202 },
268         { "option-203", "X",                            &dhcp_universe, 203 },
269         { "option-204", "X",                            &dhcp_universe, 204 },
270         { "option-205", "X",                            &dhcp_universe, 205 },
271         { "option-206", "X",                            &dhcp_universe, 206 },
272         { "option-207", "X",                            &dhcp_universe, 207 },
273         { "option-208", "X",                            &dhcp_universe, 208 },
274         { "option-209", "X",                            &dhcp_universe, 209 },
275         { "option-210", "X",                            &dhcp_universe, 210 },
276         { "option-211", "X",                            &dhcp_universe, 211 },
277         { "option-212", "X",                            &dhcp_universe, 212 },
278         { "option-213", "X",                            &dhcp_universe, 213 },
279         { "option-214", "X",                            &dhcp_universe, 214 },
280         { "option-215", "X",                            &dhcp_universe, 215 },
281         { "option-216", "X",                            &dhcp_universe, 216 },
282         { "option-217", "X",                            &dhcp_universe, 217 },
283         { "option-218", "X",                            &dhcp_universe, 218 },
284         { "option-219", "X",                            &dhcp_universe, 219 },
285         { "option-220", "X",                            &dhcp_universe, 220 },
286         { "option-221", "X",                            &dhcp_universe, 221 },
287         { "option-222", "X",                            &dhcp_universe, 222 },
288         { "option-223", "X",                            &dhcp_universe, 223 },
289         { "option-224", "X",                            &dhcp_universe, 224 },
290         { "option-225", "X",                            &dhcp_universe, 225 },
291         { "option-226", "X",                            &dhcp_universe, 226 },
292         { "option-227", "X",                            &dhcp_universe, 227 },
293         { "option-228", "X",                            &dhcp_universe, 228 },
294         { "option-229", "X",                            &dhcp_universe, 229 },
295         { "option-230", "X",                            &dhcp_universe, 230 },
296         { "option-231", "X",                            &dhcp_universe, 231 },
297         { "option-232", "X",                            &dhcp_universe, 232 },
298         { "option-233", "X",                            &dhcp_universe, 233 },
299         { "option-234", "X",                            &dhcp_universe, 234 },
300         { "option-235", "X",                            &dhcp_universe, 235 },
301         { "option-236", "X",                            &dhcp_universe, 236 },
302         { "option-237", "X",                            &dhcp_universe, 237 },
303         { "option-238", "X",                            &dhcp_universe, 238 },
304         { "option-239", "X",                            &dhcp_universe, 239 },
305         { "option-240", "X",                            &dhcp_universe, 240 },
306         { "option-241", "X",                            &dhcp_universe, 241 },
307         { "option-242", "X",                            &dhcp_universe, 242 },
308         { "option-243", "X",                            &dhcp_universe, 243 },
309         { "option-244", "X",                            &dhcp_universe, 244 },
310         { "option-245", "X",                            &dhcp_universe, 245 },
311         { "option-246", "X",                            &dhcp_universe, 246 },
312         { "option-247", "X",                            &dhcp_universe, 247 },
313         { "option-248", "X",                            &dhcp_universe, 248 },
314         { "option-249", "X",                            &dhcp_universe, 249 },
315         { "option-250", "X",                            &dhcp_universe, 250 },
316         { "option-251", "X",                            &dhcp_universe, 251 },
317         { "option-252", "X",                            &dhcp_universe, 252 },
318         { "option-253", "X",                            &dhcp_universe, 253 },
319         { "option-254", "X",                            &dhcp_universe, 254 },
320         { "option-end", "e",                            &dhcp_universe, 255 },
321 };
322
323 /*
324  * Default dhcp option priority list (this is ad hoc and should not be
325  * mistaken for a carefully crafted and optimized list).
326  */
327 unsigned char dhcp_option_default_priority_list[] = {
328         DHO_DHCP_REQUESTED_ADDRESS,
329         DHO_DHCP_OPTION_OVERLOAD,
330         DHO_DHCP_MAX_MESSAGE_SIZE,
331         DHO_DHCP_RENEWAL_TIME,
332         DHO_DHCP_REBINDING_TIME,
333         DHO_DHCP_CLASS_IDENTIFIER,
334         DHO_DHCP_CLIENT_IDENTIFIER,
335         DHO_SUBNET_MASK,
336         DHO_TIME_OFFSET,
337         DHO_ROUTERS,
338         DHO_TIME_SERVERS,
339         DHO_NAME_SERVERS,
340         DHO_DOMAIN_NAME_SERVERS,
341         DHO_HOST_NAME,
342         DHO_LOG_SERVERS,
343         DHO_COOKIE_SERVERS,
344         DHO_LPR_SERVERS,
345         DHO_IMPRESS_SERVERS,
346         DHO_RESOURCE_LOCATION_SERVERS,
347         DHO_HOST_NAME,
348         DHO_BOOT_SIZE,
349         DHO_MERIT_DUMP,
350         DHO_DOMAIN_NAME,
351         DHO_SWAP_SERVER,
352         DHO_ROOT_PATH,
353         DHO_EXTENSIONS_PATH,
354         DHO_IP_FORWARDING,
355         DHO_NON_LOCAL_SOURCE_ROUTING,
356         DHO_POLICY_FILTER,
357         DHO_MAX_DGRAM_REASSEMBLY,
358         DHO_DEFAULT_IP_TTL,
359         DHO_PATH_MTU_AGING_TIMEOUT,
360         DHO_PATH_MTU_PLATEAU_TABLE,
361         DHO_INTERFACE_MTU,
362         DHO_ALL_SUBNETS_LOCAL,
363         DHO_BROADCAST_ADDRESS,
364         DHO_PERFORM_MASK_DISCOVERY,
365         DHO_MASK_SUPPLIER,
366         DHO_ROUTER_DISCOVERY,
367         DHO_ROUTER_SOLICITATION_ADDRESS,
368         DHO_STATIC_ROUTES,
369         DHO_TRAILER_ENCAPSULATION,
370         DHO_ARP_CACHE_TIMEOUT,
371         DHO_IEEE802_3_ENCAPSULATION,
372         DHO_DEFAULT_TCP_TTL,
373         DHO_TCP_KEEPALIVE_INTERVAL,
374         DHO_TCP_KEEPALIVE_GARBAGE,
375         DHO_NIS_DOMAIN,
376         DHO_NIS_SERVERS,
377         DHO_NTP_SERVERS,
378         DHO_VENDOR_ENCAPSULATED_OPTIONS,
379         DHO_NETBIOS_NAME_SERVERS,
380         DHO_NETBIOS_DD_SERVER,
381         DHO_NETBIOS_NODE_TYPE,
382         DHO_NETBIOS_SCOPE,
383         DHO_FONT_SERVERS,
384         DHO_X_DISPLAY_MANAGER,
385         DHO_DHCP_PARAMETER_REQUEST_LIST,
386
387         /* Presently-undefined options... */
388         62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,
389         78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
390         93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106,
391         107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118,
392         119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130,
393         131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
394         143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
395         155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166,
396         167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178,
397         179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
398         191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202,
399         203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214,
400         215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226,
401         227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
402         239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250,
403         251, 252, 253, 254,
404 };
405
406 int sizeof_dhcp_option_default_priority_list =
407         sizeof(dhcp_option_default_priority_list);
408
409 struct hash_table universe_hash;
410
411 void
412 initialize_universes(void)
413 {
414         int i;
415
416         dhcp_universe.name = "dhcp";
417         dhcp_universe.hash = new_hash();
418         if (!dhcp_universe.hash)
419                 error("Can't allocate dhcp option hash table.");
420         for (i = 0; i < 256; i++) {
421                 dhcp_universe.options[i] = &dhcp_options[i];
422                 add_hash(dhcp_universe.hash,
423                     (unsigned char *)dhcp_options[i].name, 0,
424                     (unsigned char *)&dhcp_options[i]);
425         }
426         universe_hash.hash_count = DEFAULT_HASH_SIZE;
427         add_hash(&universe_hash,
428             (unsigned char *)dhcp_universe.name, 0,
429             (unsigned char *)&dhcp_universe);
430 }