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Commit | Line | Data |
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d7837182 TL |
1 | /* confpars.c |
2 | ||
3 | Parser for dhcpd config file... */ | |
4 | ||
5 | /* | |
dccb6edf | 6 | * Copyright (c) 2004-2008 by Internet Systems Consortium, Inc. ("ISC") |
98311e4b | 7 | * Copyright (c) 1995-2003 by Internet Software Consortium |
d7837182 | 8 | * |
98311e4b DH |
9 | * Permission to use, copy, modify, and distribute this software for any |
10 | * purpose with or without fee is hereby granted, provided that the above | |
11 | * copyright notice and this permission notice appear in all copies. | |
d7837182 | 12 | * |
98311e4b DH |
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES |
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR | |
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | |
19 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
d7837182 | 20 | * |
98311e4b DH |
21 | * Internet Systems Consortium, Inc. |
22 | * 950 Charter Street | |
23 | * Redwood City, CA 94063 | |
24 | * <info@isc.org> | |
25 | * http://www.isc.org/ | |
49733f31 | 26 | * |
98311e4b | 27 | * This software has been written for Internet Systems Consortium |
49733f31 | 28 | * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc. |
98311e4b | 29 | * To learn more about Internet Systems Consortium, see |
49733f31 TL |
30 | * ``http://www.isc.org/''. To learn more about Vixie Enterprises, |
31 | * see ``http://www.vix.com''. To learn more about Nominum, Inc., see | |
32 | * ``http://www.nominum.com''. | |
d7837182 TL |
33 | */ |
34 | ||
d7837182 | 35 | #include "dhcpd.h" |
d7837182 | 36 | |
3a16098f | 37 | static unsigned char global_host_once = 1; |
7d6180be | 38 | static unsigned char dhcpv6_class_once = 1; |
d7837182 | 39 | |
7285af30 DH |
40 | static int parse_binding_value(struct parse *cfile, |
41 | struct binding_value *value); | |
42 | ||
e15d235d TL |
43 | #if defined (TRACING) |
44 | trace_type_t *trace_readconf_type; | |
45 | trace_type_t *trace_readleases_type; | |
e15d235d TL |
46 | |
47 | void parse_trace_setup () | |
48 | { | |
49 | trace_readconf_type = trace_type_register ("readconf", (void *)0, | |
50 | trace_conf_input, | |
51 | trace_conf_stop, MDL); | |
52 | trace_readleases_type = trace_type_register ("readleases", (void *)0, | |
53 | trace_conf_input, | |
54 | trace_conf_stop, MDL); | |
55 | } | |
662df45a | 56 | #endif |
e15d235d | 57 | |
0b69dcc8 | 58 | /* conf-file :== parameters declarations END_OF_FILE |
2d59f590 TL |
59 | parameters :== <nil> | parameter | parameters parameter |
60 | declarations :== <nil> | declaration | declarations declaration */ | |
d7837182 | 61 | |
35454d8a | 62 | isc_result_t readconf () |
20916cae | 63 | { |
e15d235d | 64 | return read_conf_file (path_dhcpd_conf, root_group, ROOT_GROUP, 0); |
20916cae TL |
65 | } |
66 | ||
e15d235d TL |
67 | isc_result_t read_conf_file (const char *filename, struct group *group, |
68 | int group_type, int leasep) | |
69 | { | |
70 | int file; | |
71 | struct parse *cfile; | |
72 | isc_result_t status; | |
73 | #if defined (TRACING) | |
74 | char *fbuf, *dbuf; | |
75 | off_t flen; | |
76 | int result; | |
77 | unsigned tflen, ulen; | |
78 | trace_type_t *ttype; | |
79 | ||
80 | if (leasep) | |
81 | ttype = trace_readleases_type; | |
82 | else | |
83 | ttype = trace_readconf_type; | |
84 | ||
85 | /* If we're in playback, we need to snarf the contents of the | |
86 | named file out of the playback file rather than trying to | |
87 | open and read it. */ | |
88 | if (trace_playback ()) { | |
89 | dbuf = (char *)0; | |
90 | tflen = 0; | |
91 | status = trace_get_file (ttype, filename, &tflen, &dbuf); | |
92 | if (status != ISC_R_SUCCESS) | |
93 | return status; | |
94 | ulen = tflen; | |
95 | ||
96 | /* What we get back is filename\0contents, where contents is | |
97 | terminated just by the length. So we figure out the length | |
98 | of the filename, and subtract that and the NUL from the | |
99 | total length to get the length of the contents of the file. | |
100 | We make fbuf a pointer to the contents of the file, and | |
101 | leave dbuf as it is so we can free it later. */ | |
102 | tflen = strlen (dbuf); | |
103 | ulen = ulen - tflen - 1; | |
104 | fbuf = dbuf + tflen + 1; | |
105 | goto memfile; | |
106 | } | |
107 | #endif | |
108 | ||
109 | if ((file = open (filename, O_RDONLY)) < 0) { | |
110 | if (leasep) { | |
111 | log_error ("Can't open lease database %s: %m --", | |
112 | path_dhcpd_db); | |
113 | log_error (" check for failed database %s!", | |
114 | "rewrite attempt"); | |
115 | log_error ("Please read the dhcpd.leases manual%s", | |
116 | " page if you"); | |
117 | log_fatal ("don't know what to do about this."); | |
118 | } else { | |
119 | log_fatal ("Can't open %s: %m", filename); | |
120 | } | |
121 | } | |
122 | ||
123 | cfile = (struct parse *)0; | |
124 | #if defined (TRACING) | |
125 | flen = lseek (file, (off_t)0, SEEK_END); | |
126 | if (flen < 0) { | |
127 | boom: | |
128 | log_fatal ("Can't lseek on %s: %m", filename); | |
129 | } | |
130 | if (lseek (file, (off_t)0, SEEK_SET) < 0) | |
131 | goto boom; | |
132 | /* Can't handle files greater than 2^31-1. */ | |
133 | if (flen > 0x7FFFFFFFUL) | |
134 | log_fatal ("%s: file is too long to buffer.", filename); | |
135 | ulen = flen; | |
136 | ||
137 | /* Allocate a buffer that will be what's written to the tracefile, | |
138 | and also will be what we parse from. */ | |
139 | tflen = strlen (filename); | |
140 | dbuf = dmalloc (ulen + tflen + 1, MDL); | |
141 | if (!dbuf) | |
142 | log_fatal ("No memory for %s (%d bytes)", | |
143 | filename, ulen); | |
144 | ||
145 | /* Copy the name into the beginning, nul-terminated. */ | |
146 | strcpy (dbuf, filename); | |
147 | ||
148 | /* Load the file in after the NUL. */ | |
149 | fbuf = dbuf + tflen + 1; | |
150 | result = read (file, fbuf, ulen); | |
151 | if (result < 0) | |
152 | log_fatal ("Can't read in %s: %m", filename); | |
153 | if (result != ulen) | |
154 | log_fatal ("%s: short read of %d bytes instead of %d.", | |
155 | filename, ulen, result); | |
98311e4b | 156 | close (file); |
e15d235d TL |
157 | memfile: |
158 | /* If we're recording, write out the filename and file contents. */ | |
159 | if (trace_record ()) | |
160 | trace_write_packet (ttype, ulen + tflen + 1, dbuf, MDL); | |
c40e954c | 161 | status = new_parse(&cfile, -1, fbuf, ulen, filename, 0); /* XXX */ |
e15d235d | 162 | #else |
c40e954c | 163 | status = new_parse(&cfile, file, NULL, 0, filename, 0); |
e15d235d | 164 | #endif |
c40e954c EH |
165 | if (status != ISC_R_SUCCESS || cfile == NULL) |
166 | return status; | |
167 | ||
e15d235d TL |
168 | if (leasep) |
169 | status = lease_file_subparse (cfile); | |
170 | else | |
171 | status = conf_file_subparse (cfile, group, group_type); | |
172 | end_parse (&cfile); | |
173 | #if defined (TRACING) | |
174 | dfree (dbuf, MDL); | |
175 | #endif | |
e15d235d TL |
176 | return status; |
177 | } | |
178 | ||
179 | #if defined (TRACING) | |
180 | void trace_conf_input (trace_type_t *ttype, unsigned len, char *data) | |
181 | { | |
182 | char *fbuf; | |
183 | unsigned flen; | |
184 | unsigned tflen; | |
185 | struct parse *cfile = (struct parse *)0; | |
186 | static int postconf_initialized; | |
187 | static int leaseconf_initialized; | |
c40e954c | 188 | isc_result_t status; |
e15d235d TL |
189 | |
190 | /* Do what's done above, except that we don't have to read in the | |
191 | data, because it's already been read for us. */ | |
192 | tflen = strlen (data); | |
193 | flen = len - tflen - 1; | |
194 | fbuf = data + tflen + 1; | |
195 | ||
196 | /* If we're recording, write out the filename and file contents. */ | |
197 | if (trace_record ()) | |
198 | trace_write_packet (ttype, len, data, MDL); | |
c40e954c EH |
199 | |
200 | status = new_parse(&cfile, -1, fbuf, flen, data, 0); | |
201 | if (status == ISC_R_SUCCESS || cfile != NULL) { | |
202 | if (ttype == trace_readleases_type) | |
203 | lease_file_subparse (cfile); | |
204 | else | |
205 | conf_file_subparse (cfile, root_group, ROOT_GROUP); | |
206 | end_parse (&cfile); | |
207 | } | |
e15d235d TL |
208 | |
209 | /* Postconfiguration needs to be done after the config file | |
210 | has been loaded. */ | |
211 | if (!postconf_initialized && ttype == trace_readconf_type) { | |
212 | postconf_initialization (0); | |
213 | postconf_initialized = 1; | |
214 | } | |
215 | ||
216 | if (!leaseconf_initialized && ttype == trace_readleases_type) { | |
217 | db_startup (0); | |
218 | leaseconf_initialized = 1; | |
d758ad8c | 219 | postdb_startup (); |
e15d235d TL |
220 | } |
221 | } | |
222 | ||
223 | void trace_conf_stop (trace_type_t *ttype) { } | |
224 | #endif | |
225 | ||
0b69dcc8 | 226 | /* conf-file :== parameters declarations END_OF_FILE |
20916cae TL |
227 | parameters :== <nil> | parameter | parameters parameter |
228 | declarations :== <nil> | declaration | declarations declaration */ | |
229 | ||
e15d235d TL |
230 | isc_result_t conf_file_subparse (struct parse *cfile, struct group *group, |
231 | int group_type) | |
d7837182 | 232 | { |
b1b7b521 | 233 | const char *val; |
6f8fb41f | 234 | enum dhcp_token token; |
2d59f590 | 235 | int declaration = 0; |
35454d8a | 236 | int status; |
7e8381e5 | 237 | |
d7837182 | 238 | do { |
b3519f23 | 239 | token = peek_token (&val, (unsigned *)0, cfile); |
0b69dcc8 | 240 | if (token == END_OF_FILE) |
d7837182 | 241 | break; |
20916cae | 242 | declaration = parse_statement (cfile, group, group_type, |
ece6ea33 TL |
243 | (struct host_decl *)0, |
244 | declaration); | |
d7837182 | 245 | } while (1); |
b3519f23 | 246 | token = next_token (&val, (unsigned *)0, cfile); |
88ddda34 | 247 | |
35454d8a | 248 | status = cfile -> warnings_occurred ? ISC_R_BADPARSE : ISC_R_SUCCESS; |
35454d8a | 249 | return status; |
1358b874 TL |
250 | } |
251 | ||
0b69dcc8 | 252 | /* lease-file :== lease-declarations END_OF_FILE |
20ae1aff | 253 | lease-statements :== <nil> |
2d59f590 TL |
254 | | lease-declaration |
255 | | lease-declarations lease-declaration */ | |
5376e3e9 | 256 | |
e15d235d | 257 | isc_result_t lease_file_subparse (struct parse *cfile) |
1358b874 | 258 | { |
b1b7b521 | 259 | const char *val; |
6f8fb41f | 260 | enum dhcp_token token; |
35454d8a | 261 | isc_result_t status; |
7dfc8ac2 | 262 | |
1358b874 | 263 | do { |
b3519f23 | 264 | token = next_token (&val, (unsigned *)0, cfile); |
0b69dcc8 | 265 | if (token == END_OF_FILE) |
1358b874 | 266 | break; |
52e79d12 | 267 | if (token == LEASE) { |
20916cae TL |
268 | struct lease *lease = (struct lease *)0; |
269 | if (parse_lease_declaration (&lease, cfile)) { | |
1358b874 | 270 | enter_lease (lease); |
20916cae | 271 | lease_dereference (&lease, MDL); |
96d7d13e | 272 | } else |
35454d8a TL |
273 | parse_warn (cfile, |
274 | "possibly corrupt lease file"); | |
98bd7ca0 DH |
275 | } else if (token == IA_NA) { |
276 | parse_ia_na_declaration(cfile); | |
1d9774ab FD |
277 | } else if (token == IA_TA) { |
278 | parse_ia_ta_declaration(cfile); | |
279 | } else if (token == IA_PD) { | |
280 | parse_ia_pd_declaration(cfile); | |
899d754f | 281 | } else if (token == CLASS) { |
06e77c34 DH |
282 | parse_class_declaration(0, cfile, root_group, |
283 | CLASS_TYPE_CLASS); | |
899d754f | 284 | } else if (token == SUBCLASS) { |
06e77c34 DH |
285 | parse_class_declaration(0, cfile, root_group, |
286 | CLASS_TYPE_SUBCLASS); | |
52e79d12 | 287 | } else if (token == HOST) { |
20916cae | 288 | parse_host_declaration (cfile, root_group); |
35454d8a | 289 | } else if (token == GROUP) { |
20916cae | 290 | parse_group_declaration (cfile, root_group); |
a4ba3160 TL |
291 | #if defined (FAILOVER_PROTOCOL) |
292 | } else if (token == FAILOVER) { | |
293 | parse_failover_state_declaration | |
294 | (cfile, (dhcp_failover_state_t *)0); | |
295 | #endif | |
fe5b0fdd | 296 | #ifdef DHCPv6 |
98bd7ca0 DH |
297 | } else if (token == SERVER_DUID) { |
298 | parse_server_duid(cfile); | |
fe5b0fdd | 299 | #endif /* DHCPv6 */ |
52e79d12 TL |
300 | } else { |
301 | log_error ("Corrupt lease file - possible data loss!"); | |
302 | skip_to_semi (cfile); | |
1358b874 TL |
303 | } |
304 | ||
305 | } while (1); | |
35454d8a TL |
306 | |
307 | status = cfile -> warnings_occurred ? ISC_R_BADPARSE : ISC_R_SUCCESS; | |
35454d8a | 308 | return status; |
d7837182 TL |
309 | } |
310 | ||
2d59f590 TL |
311 | /* statement :== parameter | declaration |
312 | ||
6d103865 | 313 | parameter :== DEFAULT_LEASE_TIME lease_time |
2d59f590 TL |
314 | | MAX_LEASE_TIME lease_time |
315 | | DYNAMIC_BOOTP_LEASE_CUTOFF date | |
316 | | DYNAMIC_BOOTP_LEASE_LENGTH lease_time | |
317 | | BOOT_UNKNOWN_CLIENTS boolean | |
318 | | ONE_LEASE_PER_CLIENT boolean | |
5fea7b10 | 319 | | GET_LEASE_HOSTNAMES boolean |
c256bae9 | 320 | | USE_HOST_DECL_NAME boolean |
2d59f590 TL |
321 | | NEXT_SERVER ip-addr-or-hostname SEMI |
322 | | option_parameter | |
323 | | SERVER-IDENTIFIER ip-addr-or-hostname SEMI | |
324 | | FILENAME string-parameter | |
325 | | SERVER_NAME string-parameter | |
326 | | hardware-parameter | |
327 | | fixed-address-parameter | |
99fd97cc TL |
328 | | ALLOW allow-deny-keyword |
329 | | DENY allow-deny-keyword | |
59b85ebd | 330 | | USE_LEASE_ADDR_FOR_DEFAULT_ROUTE boolean |
763adef1 TL |
331 | | AUTHORITATIVE |
332 | | NOT AUTHORITATIVE | |
2d59f590 TL |
333 | |
334 | declaration :== host-declaration | |
335 | | group-declaration | |
336 | | shared-network-declaration | |
337 | | subnet-declaration | |
338 | | VENDOR_CLASS class-declaration | |
339 | | USER_CLASS class-declaration | |
340 | | RANGE address-range-declaration */ | |
341 | ||
342 | int parse_statement (cfile, group, type, host_decl, declaration) | |
35454d8a | 343 | struct parse *cfile; |
7dfc8ac2 TL |
344 | struct group *group; |
345 | int type; | |
346 | struct host_decl *host_decl; | |
2d59f590 | 347 | int declaration; |
d7837182 | 348 | { |
6f8fb41f | 349 | enum dhcp_token token; |
b1b7b521 | 350 | const char *val; |
7dfc8ac2 | 351 | struct shared_network *share; |
28868515 | 352 | char *n; |
7dfc8ac2 | 353 | struct hardware hardware; |
ece6ea33 | 354 | struct executable_statement *et, *ep; |
f7fdb216 | 355 | struct option *option = NULL; |
ece6ea33 TL |
356 | struct option_cache *cache; |
357 | int lose; | |
b1b7b521 | 358 | int known; |
20916cae | 359 | isc_result_t status; |
f7fdb216 | 360 | unsigned code; |
d7837182 | 361 | |
b3519f23 | 362 | token = peek_token (&val, (unsigned *)0, cfile); |
e68de775 TL |
363 | |
364 | switch (token) { | |
20916cae | 365 | case INCLUDE: |
b3519f23 TL |
366 | next_token (&val, (unsigned *)0, cfile); |
367 | token = next_token (&val, (unsigned *)0, cfile); | |
20916cae TL |
368 | if (token != STRING) { |
369 | parse_warn (cfile, "filename string expected."); | |
370 | skip_to_semi (cfile); | |
371 | } else { | |
e15d235d | 372 | status = read_conf_file (val, group, type, 0); |
20916cae TL |
373 | if (status != ISC_R_SUCCESS) |
374 | parse_warn (cfile, "%s: bad parse.", val); | |
375 | parse_semi (cfile); | |
376 | } | |
377 | return 1; | |
378 | ||
d7837182 | 379 | case HOST: |
b3519f23 | 380 | next_token (&val, (unsigned *)0, cfile); |
3a16098f DH |
381 | if (type != HOST_DECL && type != CLASS_DECL) { |
382 | if (global_host_once && | |
383 | (type == SUBNET_DECL || type == SHARED_NET_DECL)) { | |
384 | global_host_once = 0; | |
385 | log_error("WARNING: Host declarations are " | |
386 | "global. They are not limited to " | |
387 | "the scope you declared them in."); | |
388 | } | |
389 | ||
2d59f590 | 390 | parse_host_declaration (cfile, group); |
3a16098f | 391 | } else { |
35454d8a TL |
392 | parse_warn (cfile, |
393 | "host declarations not allowed here."); | |
7dfc8ac2 | 394 | skip_to_semi (cfile); |
d7837182 | 395 | } |
7dfc8ac2 TL |
396 | return 1; |
397 | ||
398 | case GROUP: | |
b3519f23 | 399 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 400 | if (type != HOST_DECL && type != CLASS_DECL) |
2d59f590 | 401 | parse_group_declaration (cfile, group); |
7dfc8ac2 | 402 | else { |
35454d8a TL |
403 | parse_warn (cfile, |
404 | "group declarations not allowed here."); | |
7dfc8ac2 | 405 | skip_to_semi (cfile); |
d7837182 | 406 | } |
7dfc8ac2 TL |
407 | return 1; |
408 | ||
1f814ff2 | 409 | case SHARED_NETWORK: |
b3519f23 | 410 | next_token (&val, (unsigned *)0, cfile); |
2d59f590 TL |
411 | if (type == SHARED_NET_DECL || |
412 | type == HOST_DECL || | |
ece6ea33 TL |
413 | type == SUBNET_DECL || |
414 | type == CLASS_DECL) { | |
35454d8a | 415 | parse_warn (cfile, "shared-network parameters not %s.", |
7dfc8ac2 TL |
416 | "allowed here"); |
417 | skip_to_semi (cfile); | |
418 | break; | |
1f814ff2 | 419 | } |
7dfc8ac2 | 420 | |
2d59f590 | 421 | parse_shared_net_declaration (cfile, group); |
7dfc8ac2 TL |
422 | return 1; |
423 | ||
685963dc | 424 | case SUBNET: |
98bd7ca0 | 425 | case SUBNET6: |
b3519f23 | 426 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 TL |
427 | if (type == HOST_DECL || type == SUBNET_DECL || |
428 | type == CLASS_DECL) { | |
35454d8a TL |
429 | parse_warn (cfile, |
430 | "subnet declarations not allowed here."); | |
7dfc8ac2 TL |
431 | skip_to_semi (cfile); |
432 | return 1; | |
433 | } | |
434 | ||
2d59f590 | 435 | /* If we're in a subnet declaration, just do the parse. */ |
7d6180be | 436 | if (group->shared_network != NULL) { |
98bd7ca0 DH |
437 | if (token == SUBNET) { |
438 | parse_subnet_declaration(cfile, | |
439 | group->shared_network); | |
440 | } else { | |
441 | parse_subnet6_declaration(cfile, | |
442 | group->shared_network); | |
443 | } | |
7dfc8ac2 TL |
444 | break; |
445 | } | |
446 | ||
7d6180be DH |
447 | /* |
448 | * Otherwise, cons up a fake shared network structure | |
449 | * and populate it with the lone subnet...because the | |
450 | * intention most likely is to refer to the entire link | |
451 | * by shorthand, any configuration inside the subnet is | |
452 | * actually placed in the shared-network's group. | |
453 | */ | |
7dfc8ac2 | 454 | |
7d6180be | 455 | share = NULL; |
20916cae TL |
456 | status = shared_network_allocate (&share, MDL); |
457 | if (status != ISC_R_SUCCESS) | |
458 | log_fatal ("Can't allocate shared subnet: %s", | |
459 | isc_result_totext (status)); | |
460 | if (!clone_group (&share -> group, group, MDL)) | |
f84d544b | 461 | log_fatal ("Can't allocate group for shared net"); |
6ceb9118 TL |
462 | shared_network_reference (&share -> group -> shared_network, |
463 | share, MDL); | |
7dfc8ac2 | 464 | |
7d6180be DH |
465 | /* |
466 | * This is an implicit shared network, not explicit in | |
467 | * the config. | |
468 | */ | |
469 | share->flags |= SHARED_IMPLICIT; | |
470 | ||
98bd7ca0 DH |
471 | if (token == SUBNET) { |
472 | parse_subnet_declaration(cfile, share); | |
473 | } else { | |
474 | parse_subnet6_declaration(cfile, share); | |
475 | } | |
763adef1 TL |
476 | |
477 | /* share -> subnets is the subnet we just parsed. */ | |
98bd7ca0 DH |
478 | if (share->subnets) { |
479 | interface_reference(&share->interface, | |
480 | share->subnets->interface, | |
481 | MDL); | |
7dfc8ac2 | 482 | |
763adef1 | 483 | /* Make the shared network name from network number. */ |
98bd7ca0 DH |
484 | if (token == SUBNET) { |
485 | n = piaddrmask(&share->subnets->net, | |
486 | &share->subnets->netmask); | |
487 | } else { | |
488 | n = piaddrcidr(&share->subnets->net, | |
489 | share->subnets->prefix_len); | |
490 | } | |
491 | ||
492 | share->name = strdup(n); | |
493 | ||
494 | if (share->name == NULL) | |
495 | log_fatal("Out of memory allocating default " | |
496 | "shared network name (\"%s\").", n); | |
763adef1 TL |
497 | |
498 | /* Copy the authoritative parameter from the subnet, | |
499 | since there is no opportunity to declare it here. */ | |
98bd7ca0 DH |
500 | share->group->authoritative = |
501 | share->subnets->group->authoritative; | |
502 | enter_shared_network(share); | |
d7837182 | 503 | } |
98bd7ca0 | 504 | shared_network_dereference(&share, MDL); |
7dfc8ac2 TL |
505 | return 1; |
506 | ||
24a75c03 | 507 | case VENDOR_CLASS: |
b3519f23 | 508 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 509 | if (type == CLASS_DECL) { |
35454d8a TL |
510 | parse_warn (cfile, |
511 | "class declarations not allowed here."); | |
ece6ea33 TL |
512 | skip_to_semi (cfile); |
513 | break; | |
514 | } | |
06e77c34 | 515 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_VENDOR); |
7dfc8ac2 TL |
516 | return 1; |
517 | ||
24a75c03 | 518 | case USER_CLASS: |
b3519f23 | 519 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 520 | if (type == CLASS_DECL) { |
35454d8a TL |
521 | parse_warn (cfile, |
522 | "class declarations not allowed here."); | |
ece6ea33 TL |
523 | skip_to_semi (cfile); |
524 | break; | |
525 | } | |
06e77c34 | 526 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_USER); |
7dfc8ac2 | 527 | return 1; |
1f814ff2 | 528 | |
ece6ea33 | 529 | case CLASS: |
b3519f23 | 530 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 531 | if (type == CLASS_DECL) { |
35454d8a TL |
532 | parse_warn (cfile, |
533 | "class declarations not allowed here."); | |
59b85ebd | 534 | skip_to_semi (cfile); |
ece6ea33 | 535 | break; |
59b85ebd | 536 | } |
06e77c34 | 537 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_CLASS); |
ece6ea33 | 538 | return 1; |
59b85ebd | 539 | |
ece6ea33 | 540 | case SUBCLASS: |
b3519f23 | 541 | next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 542 | if (type == CLASS_DECL) { |
35454d8a TL |
543 | parse_warn (cfile, |
544 | "class declarations not allowed here."); | |
ece6ea33 | 545 | skip_to_semi (cfile); |
7dfc8ac2 | 546 | break; |
7dfc8ac2 | 547 | } |
06e77c34 DH |
548 | parse_class_declaration(NULL, cfile, group, |
549 | CLASS_TYPE_SUBCLASS); | |
ece6ea33 | 550 | return 1; |
7dfc8ac2 TL |
551 | |
552 | case HARDWARE: | |
b3519f23 | 553 | next_token (&val, (unsigned *)0, cfile); |
e2cfde76 FD |
554 | #ifdef DHCPv6 |
555 | if (local_family == AF_INET6) { | |
556 | parse_warn(cfile, "You can not use a hardware " | |
557 | "parameter for DHCPv6 hosts. " | |
558 | "Use the host-identifier parameter " | |
559 | "instead."); | |
560 | skip_to_semi(cfile); | |
561 | break; | |
562 | } | |
563 | #endif /* DHCPv6 */ | |
76981d9f | 564 | memset (&hardware, 0, sizeof hardware); |
2178df03 DH |
565 | if (host_decl && memcmp(&hardware, &(host_decl->interface), |
566 | sizeof(hardware)) != 0) { | |
567 | parse_warn(cfile, "Host %s hardware address already " | |
568 | "configured.", host_decl->name); | |
569 | break; | |
570 | } | |
571 | ||
2d59f590 | 572 | parse_hardware_param (cfile, &hardware); |
7dfc8ac2 TL |
573 | if (host_decl) |
574 | host_decl -> interface = hardware; | |
575 | else | |
35454d8a | 576 | parse_warn (cfile, "hardware address parameter %s", |
7dfc8ac2 TL |
577 | "not allowed here."); |
578 | break; | |
579 | ||
580 | case FIXED_ADDR: | |
98bd7ca0 DH |
581 | case FIXED_ADDR6: |
582 | next_token(&val, NULL, cfile); | |
583 | cache = NULL; | |
584 | if (parse_fixed_addr_param(&cache, cfile, token)) { | |
98311e4b | 585 | if (host_decl) { |
98bd7ca0 DH |
586 | if (host_decl->fixed_addr) { |
587 | option_cache_dereference(&cache, MDL); | |
588 | parse_warn(cfile, | |
589 | "Only one fixed address " | |
590 | "declaration per host."); | |
98311e4b | 591 | } else { |
98bd7ca0 | 592 | host_decl->fixed_addr = cache; |
98311e4b DH |
593 | } |
594 | } else { | |
98bd7ca0 DH |
595 | parse_warn(cfile, |
596 | "fixed-address parameter not " | |
597 | "allowed here."); | |
598 | option_cache_dereference(&cache, MDL); | |
20916cae | 599 | } |
6f8fb41f | 600 | } |
7dfc8ac2 TL |
601 | break; |
602 | ||
f63b4929 | 603 | case POOL: |
b3519f23 | 604 | next_token (&val, (unsigned *)0, cfile); |
9322442f | 605 | if (type == POOL_DECL) { |
35454d8a | 606 | parse_warn (cfile, "pool declared within pool."); |
61252edf | 607 | skip_to_semi(cfile); |
9322442f FD |
608 | } else if (type != SUBNET_DECL && type != SHARED_NET_DECL) { |
609 | parse_warn (cfile, "pool declared outside of network"); | |
610 | skip_to_semi(cfile); | |
611 | } else | |
61252edf EH |
612 | parse_pool_statement (cfile, group, type); |
613 | ||
f63b4929 TL |
614 | return declaration; |
615 | ||
7dfc8ac2 | 616 | case RANGE: |
b3519f23 | 617 | next_token (&val, (unsigned *)0, cfile); |
2d59f590 | 618 | if (type != SUBNET_DECL || !group -> subnet) { |
35454d8a TL |
619 | parse_warn (cfile, |
620 | "range declaration not allowed here."); | |
7dfc8ac2 | 621 | skip_to_semi (cfile); |
2d59f590 | 622 | return declaration; |
7dfc8ac2 | 623 | } |
98311e4b DH |
624 | parse_address_range (cfile, group, type, (struct pool *)0, |
625 | (struct lease **)0); | |
2d59f590 | 626 | return declaration; |
7dfc8ac2 | 627 | |
fe5b0fdd | 628 | #ifdef DHCPv6 |
98bd7ca0 DH |
629 | case RANGE6: |
630 | next_token(NULL, NULL, cfile); | |
631 | if ((type != SUBNET_DECL) || (group->subnet == NULL)) { | |
632 | parse_warn (cfile, | |
633 | "range6 declaration not allowed here."); | |
634 | skip_to_semi(cfile); | |
635 | return declaration; | |
636 | } | |
637 | parse_address_range6(cfile, group); | |
638 | return declaration; | |
80c9fdb0 FD |
639 | |
640 | case PREFIX6: | |
641 | next_token(NULL, NULL, cfile); | |
bd72740e | 642 | if ((type != SUBNET_DECL) || (group->subnet == NULL)) { |
80c9fdb0 | 643 | parse_warn (cfile, |
9322442f | 644 | "prefix6 declaration not allowed here."); |
80c9fdb0 FD |
645 | skip_to_semi(cfile); |
646 | return declaration; | |
647 | } | |
648 | parse_prefix6(cfile, group); | |
649 | return declaration; | |
650 | ||
651 | case FIXED_PREFIX6: | |
652 | next_token(&val, NULL, cfile); | |
653 | if (!host_decl) { | |
654 | parse_warn (cfile, | |
655 | "fixed-prefix6 declaration not " | |
656 | "allowed here."); | |
657 | skip_to_semi(cfile); | |
658 | break; | |
659 | } | |
660 | parse_fixed_prefix6(cfile, host_decl); | |
661 | break; | |
662 | ||
fe5b0fdd | 663 | #endif /* DHCPv6 */ |
98bd7ca0 | 664 | |
763adef1 | 665 | case TOKEN_NOT: |
b3519f23 TL |
666 | token = next_token (&val, (unsigned *)0, cfile); |
667 | token = next_token (&val, (unsigned *)0, cfile); | |
763adef1 TL |
668 | switch (token) { |
669 | case AUTHORITATIVE: | |
670 | group -> authoritative = 0; | |
671 | goto authoritative; | |
672 | default: | |
35454d8a | 673 | parse_warn (cfile, "expecting assertion"); |
763adef1 TL |
674 | skip_to_semi (cfile); |
675 | break; | |
676 | } | |
677 | break; | |
678 | case AUTHORITATIVE: | |
b3519f23 | 679 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 TL |
680 | group -> authoritative = 1; |
681 | authoritative: | |
1b8223ae | 682 | if (type == HOST_DECL) |
35454d8a | 683 | parse_warn (cfile, "authority makes no sense here."); |
763adef1 TL |
684 | parse_semi (cfile); |
685 | break; | |
686 | ||
8230a054 TL |
687 | /* "server-identifier" is a special hack, equivalent to |
688 | "option dhcp-server-identifier". */ | |
689 | case SERVER_IDENTIFIER: | |
f7fdb216 DH |
690 | code = DHO_DHCP_SERVER_IDENTIFIER; |
691 | if (!option_code_hash_lookup(&option, dhcp_universe.code_hash, | |
692 | &code, 0, MDL)) | |
693 | log_fatal("Server identifier not in hash (%s:%d).", | |
694 | MDL); | |
b3519f23 | 695 | token = next_token (&val, (unsigned *)0, cfile); |
8230a054 TL |
696 | goto finish_option; |
697 | ||
6f8fb41f | 698 | case OPTION: |
b3519f23 TL |
699 | token = next_token (&val, (unsigned *)0, cfile); |
700 | token = peek_token (&val, (unsigned *)0, cfile); | |
822d95c9 TL |
701 | if (token == SPACE) { |
702 | if (type != ROOT_GROUP) { | |
35454d8a TL |
703 | parse_warn (cfile, |
704 | "option space definitions %s", | |
436f1c8c | 705 | "may not be scoped."); |
822d95c9 | 706 | skip_to_semi (cfile); |
822d95c9 TL |
707 | break; |
708 | } | |
709 | parse_option_space_decl (cfile); | |
710 | return declaration; | |
711 | } | |
712 | ||
b1b7b521 | 713 | known = 0; |
f7fdb216 DH |
714 | status = parse_option_name(cfile, 1, &known, &option); |
715 | if (status == ISC_R_SUCCESS) { | |
b3519f23 | 716 | token = peek_token (&val, (unsigned *)0, cfile); |
8230a054 TL |
717 | if (token == CODE) { |
718 | if (type != ROOT_GROUP) { | |
35454d8a | 719 | parse_warn (cfile, |
ab58ff49 | 720 | "option definitions%s", |
822d95c9 | 721 | " may not be scoped."); |
8230a054 | 722 | skip_to_semi (cfile); |
f7fdb216 | 723 | option_dereference(&option, MDL); |
8230a054 TL |
724 | break; |
725 | } | |
b3519f23 | 726 | next_token (&val, (unsigned *)0, cfile); |
f7fdb216 DH |
727 | parse_option_code_definition(cfile, option); |
728 | option_dereference(&option, MDL); | |
8230a054 TL |
729 | return declaration; |
730 | } | |
731 | ||
732 | /* If this wasn't an option code definition, don't | |
733 | allow an unknown option. */ | |
b1b7b521 | 734 | if (!known) { |
35454d8a | 735 | parse_warn (cfile, "unknown option %s.%s", |
8230a054 TL |
736 | option -> universe -> name, |
737 | option -> name); | |
738 | skip_to_semi (cfile); | |
f7fdb216 | 739 | option_dereference(&option, MDL); |
8230a054 TL |
740 | return declaration; |
741 | } | |
742 | ||
57fcb8d9 SK |
743 | /* |
744 | * If the configuration attempts to define on option | |
745 | * that we ignore, then warn about it now. | |
746 | * | |
747 | * In DHCPv4 we do not use dhcp-renewal-time or | |
748 | * dhcp-rebinding-time, but we use these in DHCPv6. | |
749 | * | |
750 | * XXX: We may want to include a "blacklist" of | |
751 | * options we ignore in the future, as a table. | |
752 | */ | |
753 | if ((option->code == DHO_DHCP_LEASE_TIME) || | |
754 | ((local_family != AF_INET6) && | |
755 | ((option->code == DHO_DHCP_RENEWAL_TIME) || | |
756 | (option->code == DHO_DHCP_REBINDING_TIME)))) | |
757 | { | |
758 | log_error("WARNING: server ignoring option %s " | |
759 | "in configuration file.", | |
760 | option->name); | |
761 | } | |
762 | ||
8230a054 | 763 | finish_option: |
79a65726 TL |
764 | et = (struct executable_statement *)0; |
765 | if (!parse_option_statement | |
766 | (&et, cfile, 1, option, | |
767 | supersede_option_statement)) | |
6f8fb41f | 768 | return declaration; |
f7fdb216 | 769 | option_dereference(&option, MDL); |
6f8fb41f TL |
770 | goto insert_statement; |
771 | } else | |
772 | return declaration; | |
773 | ||
774 | break; | |
775 | ||
763adef1 | 776 | case FAILOVER: |
98311e4b | 777 | if (type != ROOT_GROUP && type != SHARED_NET_DECL) { |
9e9b2261 TL |
778 | parse_warn (cfile, "failover peers may only be %s", |
779 | "defined in shared-network"); | |
780 | log_error ("declarations and the outer scope."); | |
781 | skip_to_semi (cfile); | |
782 | break; | |
783 | } | |
b3519f23 | 784 | token = next_token (&val, (unsigned *)0, cfile); |
22009f79 | 785 | #if defined (FAILOVER_PROTOCOL) |
763adef1 | 786 | parse_failover_peer (cfile, group, type); |
22009f79 TL |
787 | #else |
788 | parse_warn (cfile, "No failover support."); | |
789 | skip_to_semi (cfile); | |
763adef1 | 790 | #endif |
22009f79 | 791 | break; |
98bd7ca0 | 792 | |
fe5b0fdd | 793 | #ifdef DHCPv6 |
98bd7ca0 DH |
794 | case SERVER_DUID: |
795 | parse_server_duid_conf(cfile); | |
796 | break; | |
fe5b0fdd | 797 | #endif /* DHCPv6 */ |
763adef1 | 798 | |
d7837182 | 799 | default: |
ece6ea33 | 800 | et = (struct executable_statement *)0; |
588af269 TL |
801 | lose = 0; |
802 | if (!parse_executable_statement (&et, cfile, &lose, | |
803 | context_any)) { | |
804 | if (!lose) { | |
805 | if (declaration) | |
35454d8a TL |
806 | parse_warn (cfile, |
807 | "expecting a declaration"); | |
588af269 | 808 | else |
35454d8a | 809 | parse_warn (cfile, |
ab58ff49 | 810 | "expecting a parameter %s", |
35454d8a | 811 | "or declaration"); |
588af269 | 812 | skip_to_semi (cfile); |
ece6ea33 | 813 | } |
ece6ea33 TL |
814 | return declaration; |
815 | } | |
026975bb TL |
816 | if (!et) |
817 | return declaration; | |
ece6ea33 TL |
818 | insert_statement: |
819 | if (group -> statements) { | |
79a65726 TL |
820 | int multi = 0; |
821 | ||
822 | /* If this set of statements is only referenced | |
823 | by this group, just add the current statement | |
824 | to the end of the chain. */ | |
ece6ea33 TL |
825 | for (ep = group -> statements; ep -> next; |
826 | ep = ep -> next) | |
79a65726 TL |
827 | if (ep -> refcnt > 1) /* XXX */ |
828 | multi = 1; | |
829 | if (!multi) { | |
436f1c8c TL |
830 | executable_statement_reference (&ep -> next, |
831 | et, MDL); | |
d758ad8c | 832 | executable_statement_dereference (&et, MDL); |
79a65726 TL |
833 | return declaration; |
834 | } | |
ece6ea33 | 835 | |
79a65726 TL |
836 | /* Otherwise, make a parent chain, and put the |
837 | current group statements first and the new | |
838 | statement in the next pointer. */ | |
839 | ep = (struct executable_statement *)0; | |
436f1c8c | 840 | if (!executable_statement_allocate (&ep, MDL)) |
79a65726 TL |
841 | log_fatal ("No memory for statements."); |
842 | ep -> op = statements_statement; | |
436f1c8c TL |
843 | executable_statement_reference (&ep -> data.statements, |
844 | group -> statements, | |
845 | MDL); | |
846 | executable_statement_reference (&ep -> next, et, MDL); | |
847 | executable_statement_dereference (&group -> statements, | |
848 | MDL); | |
849 | executable_statement_reference (&group -> statements, | |
850 | ep, MDL); | |
d758ad8c TL |
851 | executable_statement_dereference (&ep, MDL); |
852 | } else { | |
436f1c8c TL |
853 | executable_statement_reference (&group -> statements, |
854 | et, MDL); | |
d758ad8c TL |
855 | } |
856 | executable_statement_dereference (&et, MDL); | |
6f8fb41f | 857 | return declaration; |
d7837182 | 858 | } |
1f814ff2 | 859 | |
7dfc8ac2 | 860 | return 0; |
d7837182 TL |
861 | } |
862 | ||
763adef1 TL |
863 | #if defined (FAILOVER_PROTOCOL) |
864 | void parse_failover_peer (cfile, group, type) | |
35454d8a | 865 | struct parse *cfile; |
763adef1 TL |
866 | struct group *group; |
867 | int type; | |
868 | { | |
869 | enum dhcp_token token; | |
b1b7b521 | 870 | const char *val; |
9e9b2261 TL |
871 | dhcp_failover_state_t *peer; |
872 | u_int32_t *tp; | |
763adef1 | 873 | char *name; |
9e9b2261 TL |
874 | u_int32_t split; |
875 | u_int8_t hba [32]; | |
165bce70 | 876 | unsigned hba_len = sizeof hba; |
9e9b2261 TL |
877 | int i; |
878 | struct expression *expr; | |
e9623235 | 879 | isc_result_t status; |
05815916 | 880 | dhcp_failover_config_t *cp; |
763adef1 | 881 | |
b3519f23 | 882 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 883 | if (token != PEER) { |
9e9b2261 | 884 | parse_warn (cfile, "expecting \"peer\""); |
763adef1 TL |
885 | skip_to_semi (cfile); |
886 | return; | |
887 | } | |
888 | ||
b3519f23 | 889 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 890 | if (is_identifier (token) || token == STRING) { |
436f1c8c | 891 | name = dmalloc (strlen (val) + 1, MDL); |
9e9b2261 | 892 | if (!name) |
8ae2d595 | 893 | log_fatal ("no memory for peer name %s", name); |
9e9b2261 | 894 | strcpy (name, val); |
763adef1 | 895 | } else { |
9e9b2261 | 896 | parse_warn (cfile, "expecting failover peer name."); |
763adef1 TL |
897 | skip_to_semi (cfile); |
898 | return; | |
899 | } | |
900 | ||
901 | /* See if there's a peer declaration by this name. */ | |
9e9b2261 | 902 | peer = (dhcp_failover_state_t *)0; |
20916cae | 903 | find_failover_peer (&peer, name, MDL); |
763adef1 | 904 | |
b3519f23 | 905 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 906 | if (token == SEMI) { |
436f1c8c | 907 | dfree (name, MDL); |
763adef1 | 908 | if (type != SHARED_NET_DECL) |
35454d8a | 909 | parse_warn (cfile, "failover peer reference not %s", |
763adef1 TL |
910 | "in shared-network declaration"); |
911 | else { | |
912 | if (!peer) { | |
35454d8a | 913 | parse_warn (cfile, "reference to unknown%s%s", |
763adef1 TL |
914 | " failover peer ", name); |
915 | return; | |
916 | } | |
20916cae TL |
917 | dhcp_failover_state_reference |
918 | (&group -> shared_network -> failover_peer, | |
919 | peer, MDL); | |
763adef1 | 920 | } |
20916cae | 921 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 | 922 | return; |
a4ba3160 | 923 | } else if (token == STATE) { |
763adef1 | 924 | if (!peer) { |
a4ba3160 | 925 | parse_warn (cfile, "state declaration for unknown%s%s", |
763adef1 TL |
926 | " failover peer ", name); |
927 | return; | |
928 | } | |
a4ba3160 | 929 | parse_failover_state_declaration (cfile, peer); |
20916cae | 930 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
931 | return; |
932 | } else if (token != LBRACE) { | |
35454d8a | 933 | parse_warn (cfile, "expecting left brace"); |
763adef1 TL |
934 | skip_to_semi (cfile); |
935 | } | |
936 | ||
937 | /* Make sure this isn't a redeclaration. */ | |
938 | if (peer) { | |
35454d8a | 939 | parse_warn (cfile, "redeclaration of failover peer %s", name); |
763adef1 | 940 | skip_to_rbrace (cfile, 1); |
20916cae | 941 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
942 | return; |
943 | } | |
944 | ||
20916cae TL |
945 | status = dhcp_failover_state_allocate (&peer, MDL); |
946 | if (status != ISC_R_SUCCESS) | |
947 | log_fatal ("Can't allocate failover peer %s: %s", | |
948 | name, isc_result_totext (status)); | |
763adef1 TL |
949 | |
950 | /* Save the name. */ | |
951 | peer -> name = name; | |
952 | ||
953 | do { | |
05815916 TL |
954 | cp = &peer -> me; |
955 | peer: | |
b3519f23 | 956 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 TL |
957 | switch (token) { |
958 | case RBRACE: | |
959 | break; | |
9e9b2261 | 960 | |
763adef1 TL |
961 | case PRIMARY: |
962 | peer -> i_am = primary; | |
963 | break; | |
9e9b2261 | 964 | |
763adef1 TL |
965 | case SECONDARY: |
966 | peer -> i_am = secondary; | |
007e3ee4 TL |
967 | if (peer -> hba) |
968 | parse_warn (cfile, | |
969 | "secondary may not define %s", | |
970 | "load balance settings."); | |
763adef1 | 971 | break; |
9e9b2261 | 972 | |
e9623235 | 973 | case PEER: |
05815916 TL |
974 | cp = &peer -> partner; |
975 | goto peer; | |
e9623235 TL |
976 | |
977 | case ADDRESS: | |
9e9b2261 TL |
978 | expr = (struct expression *)0; |
979 | if (!parse_ip_addr_or_hostname (&expr, cfile, 0)) { | |
763adef1 | 980 | skip_to_rbrace (cfile, 1); |
20916cae | 981 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
982 | return; |
983 | } | |
05815916 TL |
984 | option_cache (&cp -> address, |
985 | (struct data_string *)0, expr, | |
d758ad8c | 986 | (struct option *)0, MDL); |
436f1c8c | 987 | expression_dereference (&expr, MDL); |
763adef1 | 988 | break; |
e9623235 | 989 | |
763adef1 | 990 | case PORT: |
b3519f23 | 991 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 992 | if (token != NUMBER) { |
35454d8a | 993 | parse_warn (cfile, "expecting number"); |
763adef1 TL |
994 | skip_to_rbrace (cfile, 1); |
995 | } | |
05815916 | 996 | cp -> port = atoi (val); |
763adef1 | 997 | break; |
9e9b2261 | 998 | |
2426234f DH |
999 | case MAX_LEASE_MISBALANCE: |
1000 | tp = &peer->max_lease_misbalance; | |
1001 | goto parse_idle; | |
1002 | ||
1003 | case MAX_LEASE_OWNERSHIP: | |
1004 | tp = &peer->max_lease_ownership; | |
1005 | goto parse_idle; | |
1006 | ||
1007 | case MAX_BALANCE: | |
1008 | tp = &peer->max_balance; | |
1009 | goto parse_idle; | |
1010 | ||
1011 | case MIN_BALANCE: | |
1012 | tp = &peer->min_balance; | |
1013 | goto parse_idle; | |
1014 | ||
763adef1 | 1015 | case MAX_RESPONSE_DELAY: |
05815916 | 1016 | tp = &cp -> max_response_delay; |
763adef1 | 1017 | parse_idle: |
b3519f23 | 1018 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 1019 | if (token != NUMBER) { |
35454d8a | 1020 | parse_warn (cfile, "expecting number."); |
763adef1 | 1021 | skip_to_rbrace (cfile, 1); |
20916cae | 1022 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1023 | return; |
1024 | } | |
1025 | *tp = atoi (val); | |
9e9b2261 TL |
1026 | break; |
1027 | ||
1028 | case MAX_UNACKED_UPDATES: | |
05815916 | 1029 | tp = &cp -> max_flying_updates; |
9e9b2261 TL |
1030 | goto parse_idle; |
1031 | ||
1032 | case MCLT: | |
1033 | tp = &peer -> mclt; | |
1034 | goto parse_idle; | |
1035 | ||
1036 | case HBA: | |
e9623235 | 1037 | hba_len = 32; |
007e3ee4 TL |
1038 | if (peer -> i_am == secondary) |
1039 | parse_warn (cfile, | |
1040 | "secondary may not define %s", | |
1041 | "load balance settings."); | |
9e9b2261 | 1042 | if (!parse_numeric_aggregate (cfile, hba, &hba_len, |
e9623235 | 1043 | COLON, 16, 8)) { |
9e9b2261 | 1044 | skip_to_rbrace (cfile, 1); |
20916cae | 1045 | dhcp_failover_state_dereference (&peer, MDL); |
9e9b2261 TL |
1046 | return; |
1047 | } | |
e9623235 TL |
1048 | if (hba_len != 32) { |
1049 | parse_warn (cfile, | |
1050 | "HBA must be exactly 32 bytes."); | |
1051 | dfree (hba, MDL); | |
1052 | break; | |
1053 | } | |
9e9b2261 | 1054 | make_hba: |
436f1c8c | 1055 | peer -> hba = dmalloc (32, MDL); |
9e9b2261 | 1056 | if (!peer -> hba) { |
436f1c8c TL |
1057 | dfree (peer -> name, MDL); |
1058 | dfree (peer, MDL); | |
9e9b2261 TL |
1059 | } |
1060 | memcpy (peer -> hba, hba, 32); | |
1061 | break; | |
1062 | ||
1063 | case SPLIT: | |
b3519f23 | 1064 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
1065 | if (peer -> i_am == secondary) |
1066 | parse_warn (cfile, | |
1067 | "secondary may not define %s", | |
1068 | "load balance settings."); | |
9e9b2261 TL |
1069 | if (token != NUMBER) { |
1070 | parse_warn (cfile, "expecting number"); | |
1071 | skip_to_rbrace (cfile, 1); | |
20916cae | 1072 | dhcp_failover_state_dereference (&peer, MDL); |
9e9b2261 TL |
1073 | return; |
1074 | } | |
20916cae | 1075 | split = atoi (val); |
9e9b2261 TL |
1076 | if (split > 255) { |
1077 | parse_warn (cfile, "split must be < 256"); | |
1078 | } else { | |
1079 | memset (hba, 0, sizeof hba); | |
1080 | for (i = 0; i < split; i++) { | |
1081 | if (i < split) | |
1082 | hba [i / 8] |= (1 << (i & 7)); | |
1083 | } | |
1084 | goto make_hba; | |
1085 | } | |
1086 | break; | |
1087 | ||
e9623235 | 1088 | case LOAD: |
b3519f23 | 1089 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1090 | if (token != BALANCE) { |
1091 | parse_warn (cfile, "expecting 'balance'"); | |
1092 | badload: | |
1093 | skip_to_rbrace (cfile, 1); | |
1094 | break; | |
1095 | } | |
b3519f23 | 1096 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1097 | if (token != TOKEN_MAX) { |
1098 | parse_warn (cfile, "expecting 'max'"); | |
1099 | goto badload; | |
1100 | } | |
b3519f23 | 1101 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1102 | if (token != SECONDS) { |
1103 | parse_warn (cfile, "expecting 'secs'"); | |
1104 | goto badload; | |
1105 | } | |
b3519f23 | 1106 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1107 | if (token != NUMBER) { |
1108 | parse_warn (cfile, "expecting number"); | |
1109 | goto badload; | |
1110 | } | |
1111 | peer -> load_balance_max_secs = atoi (val); | |
1112 | break; | |
1113 | ||
763adef1 | 1114 | default: |
35454d8a TL |
1115 | parse_warn (cfile, |
1116 | "invalid statement in peer declaration"); | |
763adef1 | 1117 | skip_to_rbrace (cfile, 1); |
20916cae | 1118 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1119 | return; |
1120 | } | |
e9623235 TL |
1121 | if (token != RBRACE && !parse_semi (cfile)) { |
1122 | skip_to_rbrace (cfile, 1); | |
20916cae | 1123 | dhcp_failover_state_dereference (&peer, MDL); |
e9623235 TL |
1124 | return; |
1125 | } | |
763adef1 | 1126 | } while (token != RBRACE); |
98311e4b DH |
1127 | |
1128 | /* me.address can be null; the failover link initiate code tries to | |
1129 | * derive a reasonable address to use. | |
1130 | */ | |
1131 | if (!peer -> partner.address) | |
1132 | parse_warn (cfile, "peer address may not be omitted"); | |
1133 | ||
1134 | /* XXX - when/if we get a port number assigned, just set as default */ | |
1135 | if (!peer -> me.port) | |
1136 | parse_warn (cfile, "local port may not be omitted"); | |
1137 | if (!peer -> partner.port) | |
1138 | parse_warn (cfile, "peer port may not be omitted"); | |
1139 | ||
1140 | if (peer -> i_am == primary) { | |
1141 | if (!peer -> hba) { | |
1142 | parse_warn (cfile, | |
007e3ee4 | 1143 | "primary failover server must have hba or split."); |
98311e4b DH |
1144 | } else if (!peer -> mclt) { |
1145 | parse_warn (cfile, | |
1146 | "primary failover server must have mclt."); | |
1147 | } | |
1148 | } | |
007e3ee4 | 1149 | |
2426234f DH |
1150 | if (!peer->max_lease_misbalance) |
1151 | peer->max_lease_misbalance = DEFAULT_MAX_LEASE_MISBALANCE; | |
1152 | if (!peer->max_lease_ownership) | |
1153 | peer->max_lease_ownership = DEFAULT_MAX_LEASE_OWNERSHIP; | |
1154 | if (!peer->max_balance) | |
1155 | peer->max_balance = DEFAULT_MAX_BALANCE_TIME; | |
1156 | if (!peer->min_balance) | |
1157 | peer->min_balance = DEFAULT_MIN_BALANCE_TIME; | |
1158 | if (!peer->me.max_flying_updates) | |
1159 | peer->me.max_flying_updates = DEFAULT_MAX_FLYING_UPDATES; | |
1160 | if (!peer->me.max_response_delay) | |
1161 | peer->me.max_response_delay = DEFAULT_MAX_RESPONSE_DELAY; | |
1162 | ||
1163 | if (type == SHARED_NET_DECL) | |
1164 | group->shared_network->failover_peer = peer; | |
6f8a0361 TL |
1165 | |
1166 | /* Set the initial state. */ | |
1167 | if (peer -> i_am == primary) { | |
1168 | peer -> me.state = recover; | |
1169 | peer -> me.stos = cur_time; | |
1170 | peer -> partner.state = unknown_state; | |
1171 | peer -> partner.stos = cur_time; | |
1172 | } else { | |
1173 | peer -> me.state = recover; | |
1174 | peer -> me.stos = cur_time; | |
1175 | peer -> partner.state = unknown_state; | |
1176 | peer -> partner.stos = cur_time; | |
1177 | } | |
1178 | ||
e9623235 TL |
1179 | status = enter_failover_peer (peer); |
1180 | if (status != ISC_R_SUCCESS) | |
1181 | parse_warn (cfile, "failover peer %s: %s", | |
1182 | peer -> name, isc_result_totext (status)); | |
20916cae | 1183 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1184 | } |
1185 | ||
a4ba3160 TL |
1186 | void parse_failover_state_declaration (struct parse *cfile, |
1187 | dhcp_failover_state_t *peer) | |
1188 | { | |
1189 | enum dhcp_token token; | |
1190 | const char *val; | |
1191 | char *name; | |
1192 | dhcp_failover_state_t *state; | |
05815916 | 1193 | dhcp_failover_config_t *cp; |
a4ba3160 TL |
1194 | |
1195 | if (!peer) { | |
b3519f23 | 1196 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1197 | if (token != PEER) { |
1198 | parse_warn (cfile, "expecting \"peer\""); | |
1199 | skip_to_semi (cfile); | |
1200 | return; | |
1201 | } | |
1202 | ||
b3519f23 | 1203 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1204 | if (is_identifier (token) || token == STRING) { |
1205 | name = dmalloc (strlen (val) + 1, MDL); | |
1206 | if (!name) | |
1207 | log_fatal ("failover peer name %s: no memory", | |
1208 | name); | |
1209 | strcpy (name, val); | |
1210 | } else { | |
1211 | parse_warn (cfile, "expecting failover peer name."); | |
1212 | skip_to_semi (cfile); | |
1213 | return; | |
1214 | } | |
1215 | ||
1216 | /* See if there's a peer declaration by this name. */ | |
1217 | state = (dhcp_failover_state_t *)0; | |
20916cae | 1218 | find_failover_peer (&state, name, MDL); |
a4ba3160 TL |
1219 | if (!state) { |
1220 | parse_warn (cfile, "unknown failover peer: %s", name); | |
1221 | skip_to_semi (cfile); | |
1222 | return; | |
1223 | } | |
1224 | ||
b3519f23 | 1225 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1226 | if (token != STATE) { |
1227 | parse_warn (cfile, "expecting 'state'"); | |
1228 | if (token != SEMI) | |
1229 | skip_to_semi (cfile); | |
1230 | return; | |
1231 | } | |
20916cae TL |
1232 | } else { |
1233 | state = (dhcp_failover_state_t *)0; | |
1234 | dhcp_failover_state_reference (&state, peer, MDL); | |
1235 | } | |
b3519f23 | 1236 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1237 | if (token != LBRACE) { |
1238 | parse_warn (cfile, "expecting left brace"); | |
1239 | if (token != SEMI) | |
1240 | skip_to_semi (cfile); | |
20916cae | 1241 | dhcp_failover_state_dereference (&state, MDL); |
a4ba3160 TL |
1242 | return; |
1243 | } | |
1244 | do { | |
b3519f23 | 1245 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1246 | switch (token) { |
1247 | case RBRACE: | |
1248 | break; | |
1249 | case MY: | |
05815916 TL |
1250 | cp = &state -> me; |
1251 | do_state: | |
b3519f23 | 1252 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1253 | if (token != STATE) { |
1254 | parse_warn (cfile, "expecting 'state'"); | |
20916cae | 1255 | goto bogus; |
a4ba3160 TL |
1256 | } |
1257 | parse_failover_state (cfile, | |
05815916 | 1258 | &cp -> state, &cp -> stos); |
a4ba3160 | 1259 | break; |
05815916 | 1260 | |
a4ba3160 | 1261 | case PARTNER: |
05815916 TL |
1262 | cp = &state -> partner; |
1263 | goto do_state; | |
1264 | ||
d758ad8c TL |
1265 | case MCLT: |
1266 | if (state -> i_am == primary) { | |
1267 | parse_warn (cfile, | |
1268 | "mclt not valid for primary"); | |
1269 | goto bogus; | |
1270 | } | |
1271 | token = next_token (&val, (unsigned *)0, cfile); | |
1272 | if (token != NUMBER) { | |
1273 | parse_warn (cfile, "expecting a number."); | |
1274 | goto bogus; | |
1275 | } | |
1276 | state -> mclt = atoi (val); | |
1277 | parse_semi (cfile); | |
1278 | break; | |
1279 | ||
a4ba3160 TL |
1280 | default: |
1281 | parse_warn (cfile, "expecting state setting."); | |
d758ad8c | 1282 | bogus: |
20916cae TL |
1283 | skip_to_rbrace (cfile, 1); |
1284 | dhcp_failover_state_dereference (&state, MDL); | |
a4ba3160 TL |
1285 | return; |
1286 | } | |
1287 | } while (token != RBRACE); | |
20916cae | 1288 | dhcp_failover_state_dereference (&state, MDL); |
a4ba3160 TL |
1289 | } |
1290 | ||
9e9b2261 | 1291 | void parse_failover_state (cfile, state, stos) |
35454d8a | 1292 | struct parse *cfile; |
9e9b2261 TL |
1293 | enum failover_state *state; |
1294 | TIME *stos; | |
763adef1 TL |
1295 | { |
1296 | enum dhcp_token token; | |
b1b7b521 | 1297 | const char *val; |
9e9b2261 TL |
1298 | enum failover_state state_in; |
1299 | TIME stos_in; | |
763adef1 | 1300 | |
b3519f23 | 1301 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 1302 | switch (token) { |
05815916 TL |
1303 | case UNKNOWN_STATE: |
1304 | state_in = unknown_state; | |
1305 | break; | |
1306 | ||
763adef1 | 1307 | case PARTNER_DOWN: |
9e9b2261 TL |
1308 | state_in = partner_down; |
1309 | break; | |
1310 | ||
763adef1 | 1311 | case NORMAL: |
9e9b2261 TL |
1312 | state_in = normal; |
1313 | break; | |
1314 | ||
763adef1 | 1315 | case COMMUNICATIONS_INTERRUPTED: |
9e9b2261 TL |
1316 | state_in = communications_interrupted; |
1317 | break; | |
1318 | ||
9a092d2e TL |
1319 | case RESOLUTION_INTERRUPTED: |
1320 | state_in = resolution_interrupted; | |
a4ba3160 TL |
1321 | break; |
1322 | ||
05815916 TL |
1323 | case POTENTIAL_CONFLICT: |
1324 | state_in = potential_conflict; | |
1325 | break; | |
1326 | ||
763adef1 | 1327 | case RECOVER: |
9e9b2261 TL |
1328 | state_in = recover; |
1329 | break; | |
a4ba3160 | 1330 | |
3417f5cf TL |
1331 | case RECOVER_WAIT: |
1332 | state_in = recover_wait; | |
1333 | break; | |
1334 | ||
05815916 TL |
1335 | case RECOVER_DONE: |
1336 | state_in = recover_done; | |
1337 | break; | |
1338 | ||
1339 | case SHUTDOWN: | |
1340 | state_in = shut_down; | |
1341 | break; | |
1342 | ||
1343 | case PAUSED: | |
1344 | state_in = paused; | |
1345 | break; | |
1346 | ||
1347 | case STARTUP: | |
1348 | state_in = startup; | |
a4ba3160 | 1349 | break; |
9e9b2261 | 1350 | |
763adef1 | 1351 | default: |
35454d8a | 1352 | parse_warn (cfile, "unknown failover state"); |
9e9b2261 TL |
1353 | skip_to_semi (cfile); |
1354 | return; | |
763adef1 | 1355 | } |
9e9b2261 | 1356 | |
b3519f23 | 1357 | token = next_token (&val, (unsigned *)0, cfile); |
6f8a0361 TL |
1358 | if (token == SEMI) { |
1359 | stos_in = cur_time; | |
1360 | } else { | |
1361 | if (token != AT) { | |
1362 | parse_warn (cfile, "expecting \"at\""); | |
1363 | skip_to_semi (cfile); | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | stos_in = parse_date (cfile); | |
1368 | if (!stos_in) | |
1369 | return; | |
9e9b2261 TL |
1370 | } |
1371 | ||
6f8a0361 TL |
1372 | /* Now that we've apparently gotten a clean parse, we |
1373 | can trust that this is a state that was fully committed to | |
1374 | disk, so we can install it. */ | |
9e9b2261 TL |
1375 | *stos = stos_in; |
1376 | *state = state_in; | |
763adef1 TL |
1377 | } |
1378 | #endif /* defined (FAILOVER_PROTOCOL) */ | |
1379 | ||
98311e4b DH |
1380 | /* Permit_list_match returns 1 if every element of the permit list in lhs |
1381 | also appears in rhs. Note that this doesn't by itself mean that the | |
1382 | two lists are equal - to check for equality, permit_list_match has to | |
1383 | return 1 with (list1, list2) and with (list2, list1). */ | |
1384 | ||
1385 | int permit_list_match (struct permit *lhs, struct permit *rhs) | |
1386 | { | |
1387 | struct permit *plp, *prp; | |
1388 | int matched; | |
1389 | ||
1390 | if (!lhs) | |
1391 | return 1; | |
1392 | if (!rhs) | |
1393 | return 0; | |
1394 | for (plp = lhs; plp; plp = plp -> next) { | |
1395 | matched = 0; | |
1396 | for (prp = rhs; prp; prp = prp -> next) { | |
1397 | if (prp -> type == plp -> type && | |
1398 | (prp -> type != permit_class || | |
1399 | prp -> class == plp -> class)) { | |
1400 | matched = 1; | |
1401 | break; | |
1402 | } | |
1403 | } | |
1404 | if (!matched) | |
1405 | return 0; | |
1406 | } | |
1407 | return 1; | |
1408 | } | |
1409 | ||
f63b4929 | 1410 | void parse_pool_statement (cfile, group, type) |
35454d8a | 1411 | struct parse *cfile; |
f63b4929 TL |
1412 | struct group *group; |
1413 | int type; | |
1414 | { | |
1415 | enum dhcp_token token; | |
b1b7b521 | 1416 | const char *val; |
f63b4929 | 1417 | int done = 0; |
98311e4b | 1418 | struct pool *pool, **p, *pp; |
f63b4929 TL |
1419 | struct permit *permit; |
1420 | struct permit **permit_head; | |
74f45f96 | 1421 | int declaration = 0; |
e9623235 | 1422 | isc_result_t status; |
98311e4b | 1423 | struct lease *lpchain = (struct lease *)0, *lp; |
b1d3778c DH |
1424 | TIME t; |
1425 | int is_allow = 0; | |
f63b4929 | 1426 | |
20916cae TL |
1427 | pool = (struct pool *)0; |
1428 | status = pool_allocate (&pool, MDL); | |
1429 | if (status != ISC_R_SUCCESS) | |
6ceb9118 TL |
1430 | log_fatal ("no memory for pool: %s", |
1431 | isc_result_totext (status)); | |
f63b4929 | 1432 | |
9e9b2261 | 1433 | if (type == SUBNET_DECL) |
20916cae TL |
1434 | shared_network_reference (&pool -> shared_network, |
1435 | group -> subnet -> shared_network, | |
1436 | MDL); | |
75eaa6ff | 1437 | else if (type == SHARED_NET_DECL) |
20916cae TL |
1438 | shared_network_reference (&pool -> shared_network, |
1439 | group -> shared_network, MDL); | |
75eaa6ff EH |
1440 | else { |
1441 | parse_warn(cfile, "Dynamic pools are only valid inside " | |
1442 | "subnet or shared-network statements."); | |
1443 | skip_to_semi(cfile); | |
1444 | return; | |
1445 | } | |
9e9b2261 | 1446 | |
75eaa6ff EH |
1447 | if (pool->shared_network == NULL || |
1448 | !clone_group(&pool->group, pool->shared_network->group, MDL)) | |
1449 | log_fatal("can't clone pool group."); | |
98311e4b | 1450 | |
22009f79 | 1451 | #if defined (FAILOVER_PROTOCOL) |
9e9b2261 TL |
1452 | /* Inherit the failover peer from the shared network. */ |
1453 | if (pool -> shared_network -> failover_peer) | |
20916cae TL |
1454 | dhcp_failover_state_reference |
1455 | (&pool -> failover_peer, | |
1456 | pool -> shared_network -> failover_peer, MDL); | |
22009f79 | 1457 | #endif |
9e9b2261 | 1458 | |
20916cae TL |
1459 | if (!parse_lbrace (cfile)) { |
1460 | pool_dereference (&pool, MDL); | |
f63b4929 | 1461 | return; |
20916cae TL |
1462 | } |
1463 | ||
f63b4929 | 1464 | do { |
b3519f23 | 1465 | token = peek_token (&val, (unsigned *)0, cfile); |
e5e41be4 | 1466 | switch (token) { |
8da06bb1 | 1467 | case TOKEN_NO: |
b3519f23 TL |
1468 | next_token (&val, (unsigned *)0, cfile); |
1469 | token = next_token (&val, (unsigned *)0, cfile); | |
9e9b2261 | 1470 | if (token != FAILOVER || |
b3519f23 TL |
1471 | (token = next_token (&val, (unsigned *)0, |
1472 | cfile)) != PEER) { | |
9e9b2261 TL |
1473 | parse_warn (cfile, |
1474 | "expecting \"failover peer\"."); | |
1475 | skip_to_semi (cfile); | |
1476 | continue; | |
1477 | } | |
22009f79 | 1478 | #if defined (FAILOVER_PROTOCOL) |
9e9b2261 | 1479 | if (pool -> failover_peer) |
20916cae TL |
1480 | dhcp_failover_state_dereference |
1481 | (&pool -> failover_peer, MDL); | |
22009f79 | 1482 | #endif |
9e9b2261 TL |
1483 | break; |
1484 | ||
a4ba3160 | 1485 | #if defined (FAILOVER_PROTOCOL) |
e9623235 | 1486 | case FAILOVER: |
b3519f23 TL |
1487 | next_token (&val, (unsigned *)0, cfile); |
1488 | token = next_token (&val, (unsigned *)0, cfile); | |
e9623235 TL |
1489 | if (token != PEER) { |
1490 | parse_warn (cfile, "expecting 'peer'."); | |
1491 | skip_to_semi (cfile); | |
1492 | break; | |
1493 | } | |
b3519f23 | 1494 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1495 | if (token != STRING) { |
1496 | parse_warn (cfile, "expecting string."); | |
1497 | skip_to_semi (cfile); | |
1498 | break; | |
1499 | } | |
1500 | if (pool -> failover_peer) | |
20916cae TL |
1501 | dhcp_failover_state_dereference |
1502 | (&pool -> failover_peer, MDL); | |
e9623235 | 1503 | status = find_failover_peer (&pool -> failover_peer, |
20916cae | 1504 | val, MDL); |
e9623235 TL |
1505 | if (status != ISC_R_SUCCESS) |
1506 | parse_warn (cfile, | |
1507 | "failover peer %s: %s", val, | |
1508 | isc_result_totext (status)); | |
a609e69b TL |
1509 | else |
1510 | pool -> failover_peer -> pool_count++; | |
e9623235 TL |
1511 | parse_semi (cfile); |
1512 | break; | |
a4ba3160 | 1513 | #endif |
e9623235 | 1514 | |
f63b4929 | 1515 | case RANGE: |
b3519f23 | 1516 | next_token (&val, (unsigned *)0, cfile); |
98311e4b DH |
1517 | parse_address_range (cfile, group, type, |
1518 | pool, &lpchain); | |
f63b4929 TL |
1519 | break; |
1520 | case ALLOW: | |
1521 | permit_head = &pool -> permit_list; | |
b1d3778c DH |
1522 | /* remember the clause which leads to get_permit */ |
1523 | is_allow = 1; | |
f63b4929 | 1524 | get_permit: |
436f1c8c | 1525 | permit = new_permit (MDL); |
f63b4929 | 1526 | if (!permit) |
8ae2d595 | 1527 | log_fatal ("no memory for permit"); |
b3519f23 TL |
1528 | next_token (&val, (unsigned *)0, cfile); |
1529 | token = next_token (&val, (unsigned *)0, cfile); | |
f63b4929 TL |
1530 | switch (token) { |
1531 | case UNKNOWN: | |
1532 | permit -> type = permit_unknown_clients; | |
1533 | get_clients: | |
b3519f23 TL |
1534 | if (next_token (&val, (unsigned *)0, |
1535 | cfile) != CLIENTS) { | |
35454d8a TL |
1536 | parse_warn (cfile, |
1537 | "expecting \"clients\""); | |
f63b4929 | 1538 | skip_to_semi (cfile); |
436f1c8c | 1539 | free_permit (permit, MDL); |
f63b4929 TL |
1540 | continue; |
1541 | } | |
1542 | break; | |
1543 | ||
98311e4b DH |
1544 | case KNOWN_CLIENTS: |
1545 | permit -> type = permit_known_clients; | |
1546 | break; | |
1547 | ||
ad1a6484 TL |
1548 | case UNKNOWN_CLIENTS: |
1549 | permit -> type = permit_unknown_clients; | |
1550 | break; | |
1551 | ||
f63b4929 TL |
1552 | case KNOWN: |
1553 | permit -> type = permit_known_clients; | |
1554 | goto get_clients; | |
1555 | ||
1556 | case AUTHENTICATED: | |
1557 | permit -> type = permit_authenticated_clients; | |
1558 | goto get_clients; | |
1559 | ||
1560 | case UNAUTHENTICATED: | |
1561 | permit -> type = | |
1562 | permit_unauthenticated_clients; | |
1563 | goto get_clients; | |
1564 | ||
1565 | case ALL: | |
1566 | permit -> type = permit_all_clients; | |
1567 | goto get_clients; | |
1568 | break; | |
1569 | ||
1570 | case DYNAMIC: | |
1571 | permit -> type = permit_dynamic_bootp_clients; | |
b3519f23 TL |
1572 | if (next_token (&val, (unsigned *)0, |
1573 | cfile) != TOKEN_BOOTP) { | |
35454d8a TL |
1574 | parse_warn (cfile, |
1575 | "expecting \"bootp\""); | |
f63b4929 | 1576 | skip_to_semi (cfile); |
436f1c8c | 1577 | free_permit (permit, MDL); |
f63b4929 TL |
1578 | continue; |
1579 | } | |
1580 | goto get_clients; | |
1581 | ||
1582 | case MEMBERS: | |
b3519f23 TL |
1583 | if (next_token (&val, (unsigned *)0, |
1584 | cfile) != OF) { | |
35454d8a | 1585 | parse_warn (cfile, "expecting \"of\""); |
f63b4929 | 1586 | skip_to_semi (cfile); |
436f1c8c | 1587 | free_permit (permit, MDL); |
f63b4929 TL |
1588 | continue; |
1589 | } | |
b3519f23 TL |
1590 | if (next_token (&val, (unsigned *)0, |
1591 | cfile) != STRING) { | |
35454d8a TL |
1592 | parse_warn (cfile, |
1593 | "expecting class name."); | |
f63b4929 | 1594 | skip_to_semi (cfile); |
436f1c8c | 1595 | free_permit (permit, MDL); |
f63b4929 TL |
1596 | continue; |
1597 | } | |
1598 | permit -> type = permit_class; | |
20916cae TL |
1599 | permit -> class = (struct class *)0; |
1600 | find_class (&permit -> class, val, MDL); | |
f63b4929 | 1601 | if (!permit -> class) |
35454d8a TL |
1602 | parse_warn (cfile, |
1603 | "no such class: %s", val); | |
e5e41be4 TL |
1604 | break; |
1605 | ||
b1d3778c DH |
1606 | case AFTER: |
1607 | if (pool->valid_from || pool->valid_until) { | |
1608 | parse_warn(cfile, | |
1609 | "duplicate \"after\" clause."); | |
1610 | skip_to_semi(cfile); | |
1611 | free_permit(permit, MDL); | |
1612 | continue; | |
1613 | } | |
1614 | t = parse_date_core(cfile); | |
1615 | permit->type = permit_after; | |
1616 | permit->after = t; | |
1617 | if (is_allow) { | |
1618 | pool->valid_from = t; | |
1619 | } else { | |
1620 | pool->valid_until = t; | |
1621 | } | |
1622 | break; | |
1623 | ||
f63b4929 | 1624 | default: |
35454d8a | 1625 | parse_warn (cfile, "expecting permit type."); |
f63b4929 TL |
1626 | skip_to_semi (cfile); |
1627 | break; | |
1628 | } | |
1629 | while (*permit_head) | |
1630 | permit_head = &((*permit_head) -> next); | |
1631 | *permit_head = permit; | |
74f45f96 | 1632 | parse_semi (cfile); |
f63b4929 TL |
1633 | break; |
1634 | ||
1635 | case DENY: | |
1636 | permit_head = &pool -> prohibit_list; | |
b1d3778c DH |
1637 | /* remember the clause which leads to get_permit */ |
1638 | is_allow = 0; | |
f63b4929 TL |
1639 | goto get_permit; |
1640 | ||
1641 | case RBRACE: | |
b3519f23 | 1642 | next_token (&val, (unsigned *)0, cfile); |
f63b4929 TL |
1643 | done = 1; |
1644 | break; | |
1645 | ||
237f8d3a SK |
1646 | case END_OF_FILE: |
1647 | /* | |
1648 | * We can get to END_OF_FILE if, for instance, | |
1649 | * the parse_statement() reads all available tokens | |
1650 | * and leaves us at the end. | |
1651 | */ | |
2914245e | 1652 | parse_warn(cfile, "unexpected end of file"); |
237f8d3a SK |
1653 | goto cleanup; |
1654 | ||
f63b4929 | 1655 | default: |
74f45f96 TL |
1656 | declaration = parse_statement (cfile, pool -> group, |
1657 | POOL_DECL, | |
1658 | (struct host_decl *)0, | |
1659 | declaration); | |
f63b4929 TL |
1660 | break; |
1661 | } | |
1662 | } while (!done); | |
1663 | ||
98311e4b DH |
1664 | /* See if there's already a pool into which we can merge this one. */ |
1665 | for (pp = pool -> shared_network -> pools; pp; pp = pp -> next) { | |
98311e4b DH |
1666 | if (pp -> group -> statements != pool -> group -> statements) |
1667 | continue; | |
1668 | #if defined (FAILOVER_PROTOCOL) | |
1669 | if (pool -> failover_peer != pp -> failover_peer) | |
1670 | continue; | |
1671 | #endif | |
1672 | if (!permit_list_match (pp -> permit_list, | |
1673 | pool -> permit_list) || | |
1674 | !permit_list_match (pool -> permit_list, | |
1675 | pp -> permit_list) || | |
1676 | !permit_list_match (pp -> prohibit_list, | |
1677 | pool -> prohibit_list) || | |
1678 | !permit_list_match (pool -> prohibit_list, | |
1679 | pp -> prohibit_list)) | |
1680 | continue; | |
1681 | ||
1682 | /* Okay, we can merge these two pools. All we have to | |
1683 | do is fix up the leases, which all point to their pool. */ | |
1684 | for (lp = lpchain; lp; lp = lp -> next) { | |
1685 | pool_dereference (&lp -> pool, MDL); | |
1686 | pool_reference (&lp -> pool, pp, MDL); | |
1687 | } | |
1688 | break; | |
1689 | } | |
1690 | ||
1691 | /* If we didn't succeed in merging this pool into another, put | |
1692 | it on the list. */ | |
1693 | if (!pp) { | |
1694 | p = &pool -> shared_network -> pools; | |
1695 | for (; *p; p = &((*p) -> next)) | |
1696 | ; | |
1697 | pool_reference (p, pool, MDL); | |
1698 | } | |
1699 | ||
1700 | /* Don't allow a pool declaration with no addresses, since it is | |
1701 | probably a configuration error. */ | |
1702 | if (!lpchain) { | |
1703 | parse_warn (cfile, "Pool declaration with no address range."); | |
1704 | log_error ("Pool declarations must always contain at least"); | |
1705 | log_error ("one range statement."); | |
1706 | } | |
1707 | ||
237f8d3a | 1708 | cleanup: |
98311e4b DH |
1709 | /* Dereference the lease chain. */ |
1710 | lp = (struct lease *)0; | |
1711 | while (lpchain) { | |
1712 | lease_reference (&lp, lpchain, MDL); | |
1713 | lease_dereference (&lpchain, MDL); | |
1714 | if (lp -> next) { | |
1715 | lease_reference (&lpchain, lp -> next, MDL); | |
1716 | lease_dereference (&lp -> next, MDL); | |
1717 | lease_dereference (&lp, MDL); | |
1718 | } | |
1719 | } | |
20916cae | 1720 | pool_dereference (&pool, MDL); |
f63b4929 TL |
1721 | } |
1722 | ||
5376e3e9 TL |
1723 | /* boolean :== ON SEMI | OFF SEMI | TRUE SEMI | FALSE SEMI */ |
1724 | ||
1725 | int parse_boolean (cfile) | |
35454d8a | 1726 | struct parse *cfile; |
5376e3e9 | 1727 | { |
6f8fb41f | 1728 | enum dhcp_token token; |
b1b7b521 | 1729 | const char *val; |
5376e3e9 TL |
1730 | int rv; |
1731 | ||
b3519f23 | 1732 | token = next_token (&val, (unsigned *)0, cfile); |
5376e3e9 TL |
1733 | if (!strcasecmp (val, "true") |
1734 | || !strcasecmp (val, "on")) | |
b179c997 | 1735 | rv = 1; |
5376e3e9 TL |
1736 | else if (!strcasecmp (val, "false") |
1737 | || !strcasecmp (val, "off")) | |
1738 | rv = 0; | |
1739 | else { | |
35454d8a TL |
1740 | parse_warn (cfile, |
1741 | "boolean value (true/false/on/off) expected"); | |
5376e3e9 TL |
1742 | skip_to_semi (cfile); |
1743 | return 0; | |
1744 | } | |
1745 | parse_semi (cfile); | |
1746 | return rv; | |
1747 | } | |
1748 | ||
7dfc8ac2 TL |
1749 | /* Expect a left brace; if there isn't one, skip over the rest of the |
1750 | statement and return zero; otherwise, return 1. */ | |
1751 | ||
1752 | int parse_lbrace (cfile) | |
35454d8a | 1753 | struct parse *cfile; |
7dfc8ac2 | 1754 | { |
6f8fb41f | 1755 | enum dhcp_token token; |
b1b7b521 | 1756 | const char *val; |
7dfc8ac2 | 1757 | |
b3519f23 | 1758 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 1759 | if (token != LBRACE) { |
35454d8a | 1760 | parse_warn (cfile, "expecting left brace."); |
7dfc8ac2 TL |
1761 | skip_to_semi (cfile); |
1762 | return 0; | |
1763 | } | |
1764 | return 1; | |
d7837182 TL |
1765 | } |
1766 | ||
7dfc8ac2 | 1767 | |
2d59f590 | 1768 | /* host-declaration :== hostname RBRACE parameters declarations LBRACE */ |
d7837182 | 1769 | |
2d59f590 | 1770 | void parse_host_declaration (cfile, group) |
35454d8a | 1771 | struct parse *cfile; |
7dfc8ac2 | 1772 | struct group *group; |
d7837182 | 1773 | { |
b1b7b521 | 1774 | const char *val; |
6f8fb41f | 1775 | enum dhcp_token token; |
7dfc8ac2 | 1776 | struct host_decl *host; |
f3c3d674 | 1777 | char *name; |
2d59f590 | 1778 | int declaration = 0; |
612fded7 | 1779 | int dynamicp = 0; |
ff129930 | 1780 | int deleted = 0; |
92ce3f81 | 1781 | isc_result_t status; |
98bd7ca0 DH |
1782 | int known; |
1783 | struct option *option; | |
b55d0d5f | 1784 | struct expression *expr = NULL; |
7dfc8ac2 | 1785 | |
20916cae | 1786 | name = parse_host_name (cfile); |
6c5223f5 TL |
1787 | if (!name) { |
1788 | parse_warn (cfile, "expecting a name for host declaration."); | |
1789 | skip_to_semi (cfile); | |
20916cae | 1790 | return; |
6c5223f5 | 1791 | } |
7dfc8ac2 | 1792 | |
20916cae TL |
1793 | host = (struct host_decl *)0; |
1794 | status = host_allocate (&host, MDL); | |
1795 | if (status != ISC_R_SUCCESS) | |
1796 | log_fatal ("can't allocate host decl struct %s: %s", | |
1797 | name, isc_result_totext (status)); | |
7dfc8ac2 | 1798 | host -> name = name; |
f84d544b TL |
1799 | if (!clone_group (&host -> group, group, MDL)) { |
1800 | log_fatal ("can't clone group for host %s", name); | |
20916cae TL |
1801 | boom: |
1802 | host_dereference (&host, MDL); | |
1803 | return; | |
1804 | } | |
7dfc8ac2 TL |
1805 | |
1806 | if (!parse_lbrace (cfile)) | |
20916cae | 1807 | goto boom; |
d7837182 | 1808 | |
d7837182 | 1809 | do { |
b3519f23 | 1810 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 1811 | if (token == RBRACE) { |
b3519f23 | 1812 | token = next_token (&val, (unsigned *)0, cfile); |
d7837182 TL |
1813 | break; |
1814 | } | |
0b69dcc8 | 1815 | if (token == END_OF_FILE) { |
b3519f23 | 1816 | token = next_token (&val, (unsigned *)0, cfile); |
35454d8a | 1817 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 TL |
1818 | break; |
1819 | } | |
612fded7 TL |
1820 | /* If the host declaration was created by the server, |
1821 | remember to save it. */ | |
1822 | if (token == DYNAMIC) { | |
1823 | dynamicp = 1; | |
b3519f23 | 1824 | token = next_token (&val, (unsigned *)0, cfile); |
612fded7 TL |
1825 | if (!parse_semi (cfile)) |
1826 | break; | |
1827 | continue; | |
1828 | } | |
ff129930 TL |
1829 | /* If the host declaration was created by the server, |
1830 | remember to save it. */ | |
007e3ee4 | 1831 | if (token == TOKEN_DELETED) { |
ff129930 | 1832 | deleted = 1; |
b3519f23 | 1833 | token = next_token (&val, (unsigned *)0, cfile); |
ff129930 TL |
1834 | if (!parse_semi (cfile)) |
1835 | break; | |
1836 | continue; | |
1837 | } | |
29c35bed TL |
1838 | |
1839 | if (token == GROUP) { | |
1840 | struct group_object *go; | |
b3519f23 TL |
1841 | token = next_token (&val, (unsigned *)0, cfile); |
1842 | token = next_token (&val, (unsigned *)0, cfile); | |
29c35bed | 1843 | if (token != STRING && !is_identifier (token)) { |
35454d8a TL |
1844 | parse_warn (cfile, |
1845 | "expecting string or identifier."); | |
29c35bed TL |
1846 | skip_to_rbrace (cfile, 1); |
1847 | break; | |
1848 | } | |
20916cae TL |
1849 | go = (struct group_object *)0; |
1850 | if (!group_hash_lookup (&go, group_name_hash, | |
1851 | val, strlen (val), MDL)) { | |
35454d8a TL |
1852 | parse_warn (cfile, "unknown group %s in host %s", |
1853 | val, host -> name); | |
29c35bed TL |
1854 | } else { |
1855 | if (host -> named_group) | |
20916cae TL |
1856 | group_object_dereference |
1857 | (&host -> named_group, MDL); | |
1858 | group_object_reference (&host -> named_group, | |
1859 | go, MDL); | |
1860 | group_object_dereference (&go, MDL); | |
29c35bed TL |
1861 | } |
1862 | if (!parse_semi (cfile)) | |
1863 | break; | |
1864 | continue; | |
1865 | } | |
1866 | ||
1867 | if (token == UID) { | |
b1b7b521 | 1868 | const char *s; |
29c35bed | 1869 | unsigned char *t = 0; |
b1b7b521 | 1870 | unsigned len; |
29c35bed | 1871 | |
b3519f23 | 1872 | token = next_token (&val, (unsigned *)0, cfile); |
436f1c8c | 1873 | data_string_forget (&host -> client_identifier, MDL); |
29c35bed | 1874 | |
2178df03 DH |
1875 | if (host->client_identifier.len != 0) { |
1876 | parse_warn(cfile, "Host %s already has a " | |
1877 | "client identifier.", | |
1878 | host->name); | |
1879 | break; | |
1880 | } | |
1881 | ||
29c35bed | 1882 | /* See if it's a string or a cshl. */ |
b3519f23 | 1883 | token = peek_token (&val, (unsigned *)0, cfile); |
29c35bed | 1884 | if (token == STRING) { |
b3519f23 | 1885 | token = next_token (&val, &len, cfile); |
29c35bed | 1886 | s = val; |
29c35bed TL |
1887 | host -> client_identifier.terminated = 1; |
1888 | } else { | |
1889 | len = 0; | |
1890 | t = parse_numeric_aggregate | |
1891 | (cfile, | |
1892 | (unsigned char *)0, &len, ':', 16, 8); | |
1893 | if (!t) { | |
35454d8a TL |
1894 | parse_warn (cfile, |
1895 | "expecting hex list."); | |
29c35bed TL |
1896 | skip_to_semi (cfile); |
1897 | } | |
b1b7b521 | 1898 | s = (const char *)t; |
29c35bed TL |
1899 | } |
1900 | if (!buffer_allocate | |
1901 | (&host -> client_identifier.buffer, | |
436f1c8c | 1902 | len + host -> client_identifier.terminated, MDL)) |
29c35bed TL |
1903 | log_fatal ("no memory for uid for host %s.", |
1904 | host -> name); | |
1905 | host -> client_identifier.data = | |
1906 | host -> client_identifier.buffer -> data; | |
1907 | host -> client_identifier.len = len; | |
b1b7b521 | 1908 | memcpy (host -> client_identifier.buffer -> data, s, |
29c35bed TL |
1909 | len + host -> client_identifier.terminated); |
1910 | if (t) | |
436f1c8c | 1911 | dfree (t, MDL); |
29c35bed TL |
1912 | |
1913 | if (!parse_semi (cfile)) | |
1914 | break; | |
1915 | continue; | |
1916 | } | |
b55d0d5f | 1917 | |
98bd7ca0 DH |
1918 | if (token == HOST_IDENTIFIER) { |
1919 | if (host->host_id_option != NULL) { | |
1920 | parse_warn(cfile, | |
1921 | "only one host-identifier allowed " | |
1922 | "per host"); | |
1923 | skip_to_rbrace(cfile, 1); | |
1924 | break; | |
1925 | } | |
1926 | next_token(&val, NULL, cfile); | |
1927 | token = next_token(&val, NULL, cfile); | |
1928 | if (token != OPTION) { | |
1929 | parse_warn(cfile, | |
20ae1aff | 1930 | "host-identifier must be an option"); |
98bd7ca0 DH |
1931 | skip_to_rbrace(cfile, 1); |
1932 | break; | |
1933 | } | |
1934 | known = 0; | |
1935 | option = NULL; | |
1936 | status = parse_option_name(cfile, 1, &known, &option); | |
1937 | if ((status != ISC_R_SUCCESS) || (option == NULL)) { | |
1938 | break; | |
1939 | } | |
1940 | if (!known) { | |
1941 | parse_warn(cfile, "unknown option %s.%s", | |
1942 | option->universe->name, | |
1943 | option->name); | |
1944 | skip_to_rbrace(cfile, 1); | |
1945 | break; | |
1946 | } | |
1947 | ||
b55d0d5f EH |
1948 | if (! parse_option_data(&expr, cfile, 1, option)) { |
1949 | skip_to_rbrace(cfile, 1); | |
1950 | option_dereference(&option, MDL); | |
1951 | break; | |
1952 | } | |
1953 | ||
98bd7ca0 DH |
1954 | if (!parse_semi(cfile)) { |
1955 | skip_to_rbrace(cfile, 1); | |
1956 | expression_dereference(&expr, MDL); | |
1957 | option_dereference(&option, MDL); | |
1958 | break; | |
1959 | } | |
1960 | ||
1961 | option_reference(&host->host_id_option, option, MDL); | |
1962 | option_dereference(&option, MDL); | |
1963 | data_string_copy(&host->host_id, | |
1964 | &expr->data.const_data, MDL); | |
1965 | expression_dereference(&expr, MDL); | |
1966 | continue; | |
1967 | } | |
1968 | ||
b55d0d5f EH |
1969 | declaration = parse_statement(cfile, host->group, HOST_DECL, |
1970 | host, declaration); | |
d7837182 | 1971 | } while (1); |
7dfc8ac2 | 1972 | |
ff129930 | 1973 | if (deleted) { |
20916cae TL |
1974 | struct host_decl *hp = (struct host_decl *)0; |
1975 | if (host_hash_lookup (&hp, host_name_hash, | |
1976 | (unsigned char *)host -> name, | |
1977 | strlen (host -> name), MDL)) { | |
ff129930 | 1978 | delete_host (hp, 0); |
20916cae | 1979 | host_dereference (&hp, MDL); |
ff129930 | 1980 | } |
ff129930 | 1981 | } else { |
29c35bed TL |
1982 | if (host -> named_group && host -> named_group -> group) { |
1983 | if (host -> group -> statements || | |
1984 | (host -> group -> authoritative != | |
b83bf1d1 TL |
1985 | host -> named_group -> group -> authoritative)) { |
1986 | if (host -> group -> next) | |
1987 | group_dereference (&host -> group -> next, | |
1988 | MDL); | |
20916cae TL |
1989 | group_reference (&host -> group -> next, |
1990 | host -> named_group -> group, | |
1991 | MDL); | |
b83bf1d1 | 1992 | } else { |
20916cae TL |
1993 | group_dereference (&host -> group, MDL); |
1994 | group_reference (&host -> group, | |
1995 | host -> named_group -> group, | |
1996 | MDL); | |
29c35bed TL |
1997 | } |
1998 | } | |
1999 | ||
b86799bf TL |
2000 | if (dynamicp) |
2001 | host -> flags |= HOST_DECL_DYNAMIC; | |
2002 | else | |
2003 | host -> flags |= HOST_DECL_STATIC; | |
2004 | ||
92ce3f81 TL |
2005 | status = enter_host (host, dynamicp, 0); |
2006 | if (status != ISC_R_SUCCESS) | |
ab58ff49 TL |
2007 | parse_warn (cfile, "host %s: %s", host -> name, |
2008 | isc_result_totext (status)); | |
ff129930 | 2009 | } |
20916cae | 2010 | host_dereference (&host, MDL); |
d7837182 TL |
2011 | } |
2012 | ||
2d59f590 | 2013 | /* class-declaration :== STRING LBRACE parameters declarations RBRACE |
24a75c03 TL |
2014 | */ |
2015 | ||
20916cae TL |
2016 | int parse_class_declaration (cp, cfile, group, type) |
2017 | struct class **cp; | |
35454d8a | 2018 | struct parse *cfile; |
7dfc8ac2 | 2019 | struct group *group; |
24a75c03 TL |
2020 | int type; |
2021 | { | |
b1b7b521 | 2022 | const char *val; |
6f8fb41f | 2023 | enum dhcp_token token; |
20916cae | 2024 | struct class *class = (struct class *)0, *pc = (struct class *)0; |
f4d0f440 | 2025 | int declaration = 0; |
e5e41be4 | 2026 | int lose = 0; |
ece6ea33 | 2027 | struct data_string data; |
d758ad8c TL |
2028 | char *name; |
2029 | const char *tname; | |
ece6ea33 | 2030 | struct executable_statement *stmt = (struct executable_statement *)0; |
de94ca72 | 2031 | int new = 1; |
98311e4b | 2032 | isc_result_t status = ISC_R_FAILURE; |
06e77c34 DH |
2033 | int matchedonce = 0; |
2034 | int submatchedonce = 0; | |
f7fdb216 | 2035 | unsigned code; |
24a75c03 | 2036 | |
7d6180be DH |
2037 | if (dhcpv6_class_once && local_family == AF_INET6) { |
2038 | dhcpv6_class_once = 0; | |
2039 | log_error("WARNING: class declarations are not supported " | |
2040 | "for DHCPv6."); | |
2041 | } | |
2042 | ||
b3519f23 | 2043 | token = next_token (&val, (unsigned *)0, cfile); |
24a75c03 | 2044 | if (token != STRING) { |
35454d8a | 2045 | parse_warn (cfile, "Expecting class name"); |
24a75c03 | 2046 | skip_to_semi (cfile); |
20916cae | 2047 | return 0; |
24a75c03 TL |
2048 | } |
2049 | ||
ece6ea33 | 2050 | /* See if there's already a class with the specified name. */ |
20916cae | 2051 | find_class (&pc, val, MDL); |
ece6ea33 | 2052 | |
06e77c34 DH |
2053 | /* If it is a class, we're updating it. If it's any of the other |
2054 | * types (subclass, vendor or user class), the named class is a | |
2055 | * reference to the parent class so its mandatory. | |
2056 | */ | |
2057 | if (pc && (type == CLASS_TYPE_CLASS)) { | |
2058 | class_reference(&class, pc, MDL); | |
de94ca72 | 2059 | new = 0; |
06e77c34 DH |
2060 | class_dereference(&pc, MDL); |
2061 | } else if (!pc && (type != CLASS_TYPE_CLASS)) { | |
2062 | parse_warn(cfile, "no class named %s", val); | |
2063 | skip_to_semi(cfile); | |
20916cae | 2064 | return 0; |
ece6ea33 TL |
2065 | } |
2066 | ||
2067 | /* The old vendor-class and user-class declarations had an implicit | |
2068 | match. We don't do the implicit match anymore. Instead, for | |
2069 | backward compatibility, we have an implicit-vendor-class and an | |
2070 | implicit-user-class. vendor-class and user-class declarations | |
2071 | are turned into subclasses of the implicit classes, and the | |
8b500185 | 2072 | submatch expression of the implicit classes extracts the contents of |
ece6ea33 | 2073 | the vendor class or user class. */ |
06e77c34 | 2074 | if ((type == CLASS_TYPE_VENDOR) || (type == CLASS_TYPE_USER)) { |
ece6ea33 | 2075 | data.len = strlen (val); |
6f8fb41f | 2076 | data.buffer = (struct buffer *)0; |
436f1c8c | 2077 | if (!buffer_allocate (&data.buffer, data.len + 1, MDL)) |
20916cae | 2078 | log_fatal ("no memory for class name."); |
6f8fb41f | 2079 | data.data = &data.buffer -> data [0]; |
ece6ea33 TL |
2080 | data.terminated = 1; |
2081 | ||
d758ad8c | 2082 | tname = type ? "implicit-vendor-class" : "implicit-user-class"; |
06e77c34 | 2083 | } else if (type == CLASS_TYPE_CLASS) { |
d758ad8c | 2084 | tname = val; |
20916cae | 2085 | } else { |
d758ad8c | 2086 | tname = (const char *)0; |
20916cae TL |
2087 | } |
2088 | ||
d758ad8c TL |
2089 | if (tname) { |
2090 | name = dmalloc (strlen (tname) + 1, MDL); | |
2091 | if (!name) | |
2092 | log_fatal ("No memory for class name %s.", tname); | |
2093 | strcpy (name, val); | |
2094 | } else | |
2095 | name = (char *)0; | |
ece6ea33 TL |
2096 | |
2097 | /* If this is a straight subclass, parse the hash string. */ | |
06e77c34 | 2098 | if (type == CLASS_TYPE_SUBCLASS) { |
b3519f23 | 2099 | token = peek_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 2100 | if (token == STRING) { |
b3519f23 | 2101 | token = next_token (&val, &data.len, cfile); |
6f8fb41f | 2102 | data.buffer = (struct buffer *)0; |
20916cae TL |
2103 | if (!buffer_allocate (&data.buffer, |
2104 | data.len + 1, MDL)) { | |
2105 | if (pc) | |
2106 | class_dereference (&pc, MDL); | |
2107 | ||
2108 | return 0; | |
2109 | } | |
ece6ea33 | 2110 | data.terminated = 1; |
6f8fb41f | 2111 | data.data = &data.buffer -> data [0]; |
b3519f23 TL |
2112 | memcpy ((char *)data.buffer -> data, val, |
2113 | data.len + 1); | |
ece6ea33 | 2114 | } else if (token == NUMBER_OR_NAME || token == NUMBER) { |
6f8fb41f | 2115 | memset (&data, 0, sizeof data); |
20916cae | 2116 | if (!parse_cshl (&data, cfile)) { |
06e77c34 DH |
2117 | if (pc) |
2118 | class_dereference (&pc, MDL); | |
20916cae | 2119 | return 0; |
b19f2e1c | 2120 | } |
e68de775 | 2121 | } else { |
35454d8a | 2122 | parse_warn (cfile, "Expecting string or hex list."); |
d758ad8c TL |
2123 | if (pc) |
2124 | class_dereference (&pc, MDL); | |
20916cae | 2125 | return 0; |
ece6ea33 TL |
2126 | } |
2127 | } | |
2128 | ||
2129 | /* See if there's already a class in the hash table matching the | |
2130 | hash data. */ | |
06e77c34 | 2131 | if (type != CLASS_TYPE_CLASS) |
20916cae TL |
2132 | class_hash_lookup (&class, pc -> hash, |
2133 | (const char *)data.data, data.len, MDL); | |
ece6ea33 TL |
2134 | |
2135 | /* If we didn't find an existing class, allocate a new one. */ | |
2136 | if (!class) { | |
2137 | /* Allocate the class structure... */ | |
20916cae | 2138 | status = class_allocate (&class, MDL); |
ece6ea33 | 2139 | if (pc) { |
20916cae TL |
2140 | group_reference (&class -> group, pc -> group, MDL); |
2141 | class_reference (&class -> superclass, pc, MDL); | |
88dcab62 TL |
2142 | class -> lease_limit = pc -> lease_limit; |
2143 | if (class -> lease_limit) { | |
2144 | class -> billed_leases = | |
2145 | dmalloc (class -> lease_limit * | |
436f1c8c | 2146 | sizeof (struct lease *), MDL); |
88dcab62 | 2147 | if (!class -> billed_leases) |
e68de775 | 2148 | log_fatal ("no memory for billing"); |
88dcab62 TL |
2149 | memset (class -> billed_leases, 0, |
2150 | (class -> lease_limit * | |
2151 | sizeof class -> billed_leases)); | |
2152 | } | |
436f1c8c | 2153 | data_string_copy (&class -> hash_string, &data, MDL); |
98311e4b | 2154 | if (!pc -> hash && |
f7fdb216 | 2155 | !class_new_hash (&pc->hash, SCLASS_HASH_SIZE, MDL)) |
98311e4b DH |
2156 | log_fatal ("No memory for subclass hash."); |
2157 | class_hash_add (pc -> hash, | |
2158 | (const char *)class -> hash_string.data, | |
2159 | class -> hash_string.len, | |
2160 | (void *)class, MDL); | |
ece6ea33 | 2161 | } else { |
06e77c34 DH |
2162 | if (class->group) |
2163 | group_dereference(&class->group, MDL); | |
20916cae TL |
2164 | if (!clone_group (&class -> group, group, MDL)) |
2165 | log_fatal ("no memory to clone class group."); | |
ece6ea33 TL |
2166 | } |
2167 | ||
2168 | /* If this is an implicit vendor or user class, add a | |
2169 | statement that causes the vendor or user class ID to | |
2170 | be sent back in the reply. */ | |
06e77c34 | 2171 | if (type == CLASS_TYPE_VENDOR || type == CLASS_TYPE_USER) { |
20916cae TL |
2172 | stmt = (struct executable_statement *)0; |
2173 | if (!executable_statement_allocate (&stmt, MDL)) | |
8ae2d595 | 2174 | log_fatal ("no memory for class statement."); |
ece6ea33 | 2175 | stmt -> op = supersede_option_statement; |
6f8fb41f | 2176 | if (option_cache_allocate (&stmt -> data.option, |
436f1c8c | 2177 | MDL)) { |
6f8fb41f | 2178 | stmt -> data.option -> data = data; |
f7fdb216 | 2179 | code = (type == CLASS_TYPE_VENDOR) |
ca3a51a5 | 2180 | ? DHO_VENDOR_CLASS_IDENTIFIER |
f7fdb216 DH |
2181 | : DHO_USER_CLASS; |
2182 | option_code_hash_lookup( | |
2183 | &stmt->data.option->option, | |
2184 | dhcp_universe.code_hash, | |
2185 | &code, 0, MDL); | |
6f8fb41f | 2186 | } |
ece6ea33 TL |
2187 | class -> statements = stmt; |
2188 | } | |
de94ca72 TL |
2189 | |
2190 | /* Save the name, if there is one. */ | |
06e77c34 DH |
2191 | if (class->name != NULL) |
2192 | dfree(class->name, MDL); | |
2193 | class->name = name; | |
ece6ea33 | 2194 | } |
7dfc8ac2 | 2195 | |
06e77c34 DH |
2196 | if (type != CLASS_TYPE_CLASS) |
2197 | data_string_forget(&data, MDL); | |
88dcab62 | 2198 | |
20916cae | 2199 | /* Spawned classes don't have to have their own settings. */ |
88dcab62 | 2200 | if (class -> superclass) { |
b3519f23 | 2201 | token = peek_token (&val, (unsigned *)0, cfile); |
e68de775 | 2202 | if (token == SEMI) { |
b3519f23 | 2203 | next_token (&val, (unsigned *)0, cfile); |
20916cae TL |
2204 | if (cp) |
2205 | status = class_reference (cp, class, MDL); | |
2206 | class_dereference (&class, MDL); | |
d758ad8c TL |
2207 | if (pc) |
2208 | class_dereference (&pc, MDL); | |
20916cae | 2209 | return cp ? (status == ISC_R_SUCCESS) : 1; |
e68de775 TL |
2210 | } |
2211 | /* Give the subclass its own group. */ | |
f84d544b TL |
2212 | if (!clone_group (&class -> group, class -> group, MDL)) |
2213 | log_fatal ("can't clone class group."); | |
2214 | ||
88dcab62 TL |
2215 | } |
2216 | ||
20916cae TL |
2217 | if (!parse_lbrace (cfile)) { |
2218 | class_dereference (&class, MDL); | |
2219 | if (pc) | |
2220 | class_dereference (&pc, MDL); | |
2221 | return 0; | |
2222 | } | |
24a75c03 TL |
2223 | |
2224 | do { | |
b3519f23 | 2225 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2226 | if (token == RBRACE) { |
b3519f23 | 2227 | token = next_token (&val, (unsigned *)0, cfile); |
24a75c03 | 2228 | break; |
0b69dcc8 | 2229 | } else if (token == END_OF_FILE) { |
b3519f23 | 2230 | token = next_token (&val, (unsigned *)0, cfile); |
35454d8a | 2231 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 | 2232 | break; |
899d754f | 2233 | } else if (token == DYNAMIC) { |
06e77c34 | 2234 | class->flags |= CLASS_DECL_DYNAMIC; |
899d754f JB |
2235 | token = next_token (&val, (unsigned *)0, cfile); |
2236 | if (!parse_semi (cfile)) | |
2237 | break; | |
2238 | continue; | |
2239 | } else if (token == TOKEN_DELETED) { | |
06e77c34 | 2240 | class->flags |= CLASS_DECL_DELETED; |
899d754f JB |
2241 | token = next_token (&val, (unsigned *)0, cfile); |
2242 | if (!parse_semi (cfile)) | |
2243 | break; | |
2244 | continue; | |
ece6ea33 TL |
2245 | } else if (token == MATCH) { |
2246 | if (pc) { | |
35454d8a TL |
2247 | parse_warn (cfile, |
2248 | "invalid match in subclass."); | |
ece6ea33 TL |
2249 | skip_to_semi (cfile); |
2250 | break; | |
2251 | } | |
98311e4b DH |
2252 | token = next_token (&val, (unsigned *)0, cfile); |
2253 | token = peek_token (&val, (unsigned *)0, cfile); | |
2254 | if (token != IF) | |
2255 | goto submatch; | |
06e77c34 DH |
2256 | token = next_token (&val, (unsigned *)0, cfile); |
2257 | if (matchedonce) { | |
2258 | parse_warn(cfile, "A class may only have " | |
2259 | "one 'match if' clause."); | |
2260 | skip_to_semi(cfile); | |
ece6ea33 TL |
2261 | break; |
2262 | } | |
06e77c34 DH |
2263 | matchedonce = 1; |
2264 | if (class->expr) | |
2265 | expression_dereference(&class->expr, MDL); | |
2266 | if (!parse_boolean_expression (&class->expr, cfile, | |
9e383163 TL |
2267 | &lose)) { |
2268 | if (!lose) { | |
2269 | parse_warn (cfile, | |
2270 | "expecting boolean expr."); | |
2271 | skip_to_semi (cfile); | |
2272 | } | |
2273 | } else { | |
6f8fb41f | 2274 | #if defined (DEBUG_EXPRESSION_PARSE) |
9e383163 TL |
2275 | print_expression ("class match", |
2276 | class -> expr); | |
6f8fb41f | 2277 | #endif |
9e383163 TL |
2278 | parse_semi (cfile); |
2279 | } | |
ece6ea33 | 2280 | } else if (token == SPAWN) { |
06e77c34 | 2281 | token = next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 2282 | if (pc) { |
35454d8a TL |
2283 | parse_warn (cfile, |
2284 | "invalid spawn in subclass."); | |
ece6ea33 TL |
2285 | skip_to_semi (cfile); |
2286 | break; | |
2287 | } | |
b19f2e1c | 2288 | class -> spawning = 1; |
b3519f23 | 2289 | token = next_token (&val, (unsigned *)0, cfile); |
ece6ea33 | 2290 | if (token != WITH) { |
35454d8a TL |
2291 | parse_warn (cfile, |
2292 | "expecting with after spawn"); | |
ece6ea33 TL |
2293 | skip_to_semi (cfile); |
2294 | break; | |
2295 | } | |
06d3e394 | 2296 | submatch: |
06e77c34 | 2297 | if (submatchedonce) { |
35454d8a TL |
2298 | parse_warn (cfile, |
2299 | "can't override existing %s.", | |
8b500185 TL |
2300 | "submatch/spawn"); |
2301 | skip_to_semi (cfile); | |
2302 | break; | |
2303 | } | |
06e77c34 DH |
2304 | submatchedonce = 1; |
2305 | if (class->submatch) | |
2306 | expression_dereference(&class->submatch, MDL); | |
9e383163 TL |
2307 | if (!parse_data_expression (&class -> submatch, |
2308 | cfile, &lose)) { | |
2309 | if (!lose) { | |
2310 | parse_warn (cfile, | |
2311 | "expecting data expr."); | |
2312 | skip_to_semi (cfile); | |
2313 | } | |
2314 | } else { | |
6f8fb41f | 2315 | #if defined (DEBUG_EXPRESSION_PARSE) |
9e383163 TL |
2316 | print_expression ("class submatch", |
2317 | class -> submatch); | |
6f8fb41f | 2318 | #endif |
9e383163 TL |
2319 | parse_semi (cfile); |
2320 | } | |
88dcab62 | 2321 | } else if (token == LEASE) { |
b3519f23 TL |
2322 | next_token (&val, (unsigned *)0, cfile); |
2323 | token = next_token (&val, (unsigned *)0, cfile); | |
88dcab62 | 2324 | if (token != LIMIT) { |
35454d8a | 2325 | parse_warn (cfile, "expecting \"limit\""); |
88dcab62 TL |
2326 | if (token != SEMI) |
2327 | skip_to_semi (cfile); | |
2328 | break; | |
2329 | } | |
b3519f23 | 2330 | token = next_token (&val, (unsigned *)0, cfile); |
88dcab62 | 2331 | if (token != NUMBER) { |
35454d8a | 2332 | parse_warn (cfile, "expecting a number"); |
88dcab62 TL |
2333 | if (token != SEMI) |
2334 | skip_to_semi (cfile); | |
2335 | break; | |
2336 | } | |
2337 | class -> lease_limit = atoi (val); | |
06e77c34 DH |
2338 | if (class->billed_leases) |
2339 | dfree(class->billed_leases, MDL); | |
88dcab62 TL |
2340 | class -> billed_leases = |
2341 | dmalloc (class -> lease_limit * | |
436f1c8c | 2342 | sizeof (struct lease *), MDL); |
88dcab62 | 2343 | if (!class -> billed_leases) |
8ae2d595 | 2344 | log_fatal ("no memory for billed leases."); |
88dcab62 TL |
2345 | memset (class -> billed_leases, 0, |
2346 | (class -> lease_limit * | |
2347 | sizeof class -> billed_leases)); | |
2348 | have_billing_classes = 1; | |
2349 | parse_semi (cfile); | |
24a75c03 | 2350 | } else { |
2d59f590 TL |
2351 | declaration = parse_statement (cfile, class -> group, |
2352 | CLASS_DECL, | |
2353 | (struct host_decl *)0, | |
2354 | declaration); | |
24a75c03 TL |
2355 | } |
2356 | } while (1); | |
899d754f | 2357 | |
06e77c34 DH |
2358 | if (class->flags & CLASS_DECL_DELETED) { |
2359 | if (type == CLASS_TYPE_CLASS) { | |
2360 | struct class *theclass = NULL; | |
899d754f | 2361 | |
06e77c34 DH |
2362 | status = find_class(&theclass, class->name, MDL); |
2363 | if (status == ISC_R_SUCCESS) { | |
2364 | delete_class(theclass, 0); | |
2365 | class_dereference(&theclass, MDL); | |
2366 | } | |
2367 | } else { | |
2368 | class_hash_delete(pc->hash, | |
2369 | (char *)class->hash_string.data, | |
2370 | class->hash_string.len, MDL); | |
899d754f | 2371 | } |
06e77c34 | 2372 | } else if (type == CLASS_TYPE_CLASS && new) { |
de94ca72 | 2373 | if (!collections -> classes) |
20916cae | 2374 | class_reference (&collections -> classes, class, MDL); |
de94ca72 | 2375 | else { |
20916cae TL |
2376 | struct class *c; |
2377 | for (c = collections -> classes; | |
2378 | c -> nic; c = c -> nic) | |
de94ca72 | 2379 | ; |
20916cae | 2380 | class_reference (&c -> nic, class, MDL); |
de94ca72 TL |
2381 | } |
2382 | } | |
06e77c34 | 2383 | |
899d754f | 2384 | if (cp) /* should always be 0??? */ |
20916cae TL |
2385 | status = class_reference (cp, class, MDL); |
2386 | class_dereference (&class, MDL); | |
2387 | if (pc) | |
2388 | class_dereference (&pc, MDL); | |
2389 | return cp ? (status == ISC_R_SUCCESS) : 1; | |
24a75c03 TL |
2390 | } |
2391 | ||
2d59f590 TL |
2392 | /* shared-network-declaration :== |
2393 | hostname LBRACE declarations parameters RBRACE */ | |
1f814ff2 | 2394 | |
2d59f590 | 2395 | void parse_shared_net_declaration (cfile, group) |
35454d8a | 2396 | struct parse *cfile; |
7dfc8ac2 | 2397 | struct group *group; |
1f814ff2 | 2398 | { |
b1b7b521 | 2399 | const char *val; |
6f8fb41f | 2400 | enum dhcp_token token; |
1f814ff2 | 2401 | struct shared_network *share; |
1f814ff2 | 2402 | char *name; |
2d59f590 | 2403 | int declaration = 0; |
20916cae | 2404 | isc_result_t status; |
1f814ff2 | 2405 | |
20916cae TL |
2406 | share = (struct shared_network *)0; |
2407 | status = shared_network_allocate (&share, MDL); | |
2408 | if (status != ISC_R_SUCCESS) | |
2409 | log_fatal ("Can't allocate shared subnet: %s", | |
2410 | isc_result_totext (status)); | |
2411 | clone_group (&share -> group, group, MDL); | |
2412 | shared_network_reference (&share -> group -> shared_network, | |
2413 | share, MDL); | |
1f814ff2 TL |
2414 | |
2415 | /* Get the name of the shared network... */ | |
b3519f23 | 2416 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2417 | if (token == STRING) { |
b3519f23 | 2418 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 TL |
2419 | |
2420 | if (val [0] == 0) { | |
35454d8a | 2421 | parse_warn (cfile, "zero-length shared network name"); |
7dfc8ac2 TL |
2422 | val = "<no-name-given>"; |
2423 | } | |
436f1c8c | 2424 | name = dmalloc (strlen (val) + 1, MDL); |
7dfc8ac2 | 2425 | if (!name) |
8ae2d595 | 2426 | log_fatal ("no memory for shared network name"); |
7dfc8ac2 TL |
2427 | strcpy (name, val); |
2428 | } else { | |
2429 | name = parse_host_name (cfile); | |
20916cae | 2430 | if (!name) { |
6c5223f5 TL |
2431 | parse_warn (cfile, |
2432 | "expecting a name for shared-network"); | |
2433 | skip_to_semi (cfile); | |
20916cae | 2434 | shared_network_dereference (&share, MDL); |
7dfc8ac2 | 2435 | return; |
20916cae | 2436 | } |
1f814ff2 | 2437 | } |
1f814ff2 TL |
2438 | share -> name = name; |
2439 | ||
20916cae TL |
2440 | if (!parse_lbrace (cfile)) { |
2441 | shared_network_dereference (&share, MDL); | |
7dfc8ac2 | 2442 | return; |
20916cae | 2443 | } |
7dfc8ac2 | 2444 | |
1f814ff2 | 2445 | do { |
b3519f23 | 2446 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2447 | if (token == RBRACE) { |
b3519f23 | 2448 | token = next_token (&val, (unsigned *)0, cfile); |
20916cae | 2449 | if (!share -> subnets) |
4bd8800e TL |
2450 | parse_warn (cfile, |
2451 | "empty shared-network decl"); | |
20916cae TL |
2452 | else |
2453 | enter_shared_network (share); | |
2454 | shared_network_dereference (&share, MDL); | |
1f814ff2 | 2455 | return; |
0b69dcc8 | 2456 | } else if (token == END_OF_FILE) { |
b3519f23 | 2457 | token = next_token (&val, (unsigned *)0, cfile); |
35454d8a | 2458 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 | 2459 | break; |
79931db3 | 2460 | } else if (token == INTERFACE) { |
b3519f23 TL |
2461 | token = next_token (&val, (unsigned *)0, cfile); |
2462 | token = next_token (&val, (unsigned *)0, cfile); | |
79931db3 TL |
2463 | new_shared_network_interface (cfile, share, val); |
2464 | if (!parse_semi (cfile)) | |
2465 | break; | |
2466 | continue; | |
1f814ff2 | 2467 | } |
5376e3e9 | 2468 | |
2d59f590 TL |
2469 | declaration = parse_statement (cfile, share -> group, |
2470 | SHARED_NET_DECL, | |
2471 | (struct host_decl *)0, | |
2472 | declaration); | |
1f814ff2 | 2473 | } while (1); |
20916cae | 2474 | shared_network_dereference (&share, MDL); |
1f814ff2 TL |
2475 | } |
2476 | ||
98bd7ca0 DH |
2477 | |
2478 | static int | |
2479 | common_subnet_parsing(struct parse *cfile, | |
2480 | struct shared_network *share, | |
2481 | struct subnet *subnet) { | |
2482 | enum dhcp_token token; | |
2483 | struct subnet *t, *u; | |
2484 | const char *val; | |
2485 | int declaration = 0; | |
2486 | ||
2487 | enter_subnet(subnet); | |
2488 | ||
2489 | if (!parse_lbrace(cfile)) { | |
2490 | subnet_dereference(&subnet, MDL); | |
2491 | return 0; | |
2492 | } | |
2493 | ||
2494 | do { | |
2495 | token = peek_token(&val, NULL, cfile); | |
2496 | if (token == RBRACE) { | |
2497 | token = next_token(&val, NULL, cfile); | |
2498 | break; | |
2499 | } else if (token == END_OF_FILE) { | |
2500 | token = next_token(&val, NULL, cfile); | |
2501 | parse_warn (cfile, "unexpected end of file"); | |
2502 | break; | |
2503 | } else if (token == INTERFACE) { | |
2504 | token = next_token(&val, NULL, cfile); | |
2505 | token = next_token(&val, NULL, cfile); | |
2506 | new_shared_network_interface(cfile, share, val); | |
2507 | if (!parse_semi(cfile)) | |
2508 | break; | |
2509 | continue; | |
2510 | } | |
2511 | declaration = parse_statement(cfile, subnet->group, | |
2512 | SUBNET_DECL, | |
2513 | NULL, | |
2514 | declaration); | |
2515 | } while (1); | |
2516 | ||
2517 | /* Add the subnet to the list of subnets in this shared net. */ | |
2518 | if (share->subnets == NULL) { | |
2519 | subnet_reference(&share->subnets, subnet, MDL); | |
2520 | } else { | |
2521 | u = NULL; | |
2522 | for (t = share->subnets; t->next_sibling; t = t->next_sibling) { | |
2523 | if (subnet_inner_than(subnet, t, 0)) { | |
2524 | subnet_reference(&subnet->next_sibling, t, MDL); | |
2525 | if (u) { | |
2526 | subnet_dereference(&u->next_sibling, | |
2527 | MDL); | |
2528 | subnet_reference(&u->next_sibling, | |
2529 | subnet, MDL); | |
2530 | } else { | |
2531 | subnet_dereference(&share->subnets, | |
2532 | MDL); | |
2533 | subnet_reference(&share->subnets, | |
2534 | subnet, MDL); | |
2535 | } | |
2536 | subnet_dereference(&subnet, MDL); | |
2537 | return 1; | |
2538 | } | |
2539 | u = t; | |
2540 | } | |
2541 | subnet_reference(&t->next_sibling, subnet, MDL); | |
2542 | } | |
2543 | subnet_dereference(&subnet, MDL); | |
2544 | return 1; | |
2545 | } | |
2546 | ||
2d59f590 TL |
2547 | /* subnet-declaration :== |
2548 | net NETMASK netmask RBRACE parameters declarations LBRACE */ | |
685963dc | 2549 | |
2d59f590 | 2550 | void parse_subnet_declaration (cfile, share) |
35454d8a | 2551 | struct parse *cfile; |
1f814ff2 | 2552 | struct shared_network *share; |
685963dc | 2553 | { |
b1b7b521 | 2554 | const char *val; |
6f8fb41f | 2555 | enum dhcp_token token; |
28868515 | 2556 | struct subnet *subnet; |
7dfc8ac2 | 2557 | struct iaddr iaddr; |
685963dc | 2558 | unsigned char addr [4]; |
b1b7b521 | 2559 | unsigned len = sizeof addr; |
20916cae | 2560 | isc_result_t status; |
685963dc | 2561 | |
20916cae TL |
2562 | subnet = (struct subnet *)0; |
2563 | status = subnet_allocate (&subnet, MDL); | |
2564 | if (status != ISC_R_SUCCESS) | |
2565 | log_fatal ("Allocation of new subnet failed: %s", | |
2566 | isc_result_totext (status)); | |
2567 | shared_network_reference (&subnet -> shared_network, share, MDL); | |
7d6180be DH |
2568 | |
2569 | /* | |
2570 | * If our parent shared network was implicitly created by the software, | |
2571 | * and not explicitly configured by the user, then we actually put all | |
2572 | * configuration scope in the parent (the shared network and subnet | |
2573 | * share the same {}-level scope). | |
2574 | * | |
2575 | * Otherwise, we clone the parent group and continue as normal. | |
2576 | */ | |
2577 | if (share->flags & SHARED_IMPLICIT) { | |
2578 | group_reference(&subnet->group, share->group, MDL); | |
2579 | } else { | |
2580 | if (!clone_group(&subnet->group, share->group, MDL)) { | |
2581 | log_fatal("Allocation of group for new subnet failed."); | |
2582 | } | |
2583 | } | |
20916cae | 2584 | subnet_reference (&subnet -> group -> subnet, subnet, MDL); |
685963dc TL |
2585 | |
2586 | /* Get the network number... */ | |
20916cae TL |
2587 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
2588 | subnet_dereference (&subnet, MDL); | |
7dfc8ac2 | 2589 | return; |
20916cae | 2590 | } |
7dfc8ac2 TL |
2591 | memcpy (iaddr.iabuf, addr, len); |
2592 | iaddr.len = len; | |
2593 | subnet -> net = iaddr; | |
685963dc | 2594 | |
b3519f23 | 2595 | token = next_token (&val, (unsigned *)0, cfile); |
685963dc | 2596 | if (token != NETMASK) { |
35454d8a | 2597 | parse_warn (cfile, "Expecting netmask"); |
685963dc | 2598 | skip_to_semi (cfile); |
7dfc8ac2 | 2599 | return; |
685963dc TL |
2600 | } |
2601 | ||
2602 | /* Get the netmask... */ | |
20916cae TL |
2603 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
2604 | subnet_dereference (&subnet, MDL); | |
7dfc8ac2 | 2605 | return; |
20916cae | 2606 | } |
7dfc8ac2 TL |
2607 | memcpy (iaddr.iabuf, addr, len); |
2608 | iaddr.len = len; | |
2609 | subnet -> netmask = iaddr; | |
685963dc | 2610 | |
20916cae TL |
2611 | /* Validate the network number/netmask pair. */ |
2612 | if (host_addr (subnet -> net, subnet -> netmask)) { | |
98311e4b DH |
2613 | char *maskstr; |
2614 | ||
2615 | maskstr = strdup (piaddr (subnet -> netmask)); | |
20916cae | 2616 | parse_warn (cfile, |
98311e4b DH |
2617 | "subnet %s netmask %s: bad subnet number/mask combination.", |
2618 | piaddr (subnet -> net), maskstr); | |
2619 | free(maskstr); | |
20916cae TL |
2620 | subnet_dereference (&subnet, MDL); |
2621 | skip_to_semi (cfile); | |
2622 | return; | |
2623 | } | |
2624 | ||
98bd7ca0 DH |
2625 | common_subnet_parsing(cfile, share, subnet); |
2626 | } | |
685963dc | 2627 | |
98bd7ca0 DH |
2628 | /* subnet6-declaration :== |
2629 | net / bits RBRACE parameters declarations LBRACE */ | |
2630 | ||
2631 | void | |
2632 | parse_subnet6_declaration(struct parse *cfile, struct shared_network *share) { | |
28868515 SK |
2633 | #if !defined(DHCPv6) |
2634 | parse_warn(cfile, "No DHCPv6 support."); | |
2635 | skip_to_semi(cfile); | |
2636 | #else /* defined(DHCPv6) */ | |
98bd7ca0 DH |
2637 | struct subnet *subnet; |
2638 | isc_result_t status; | |
2639 | enum dhcp_token token; | |
2640 | const char *val; | |
2641 | char *endp; | |
2642 | int ofs; | |
2643 | const static int mask[] = { 0x00, 0x80, 0xC0, 0xE0, | |
2644 | 0xF0, 0xF8, 0xFC, 0xFE }; | |
2645 | struct iaddr iaddr; | |
98bd7ca0 | 2646 | |
771484ac EH |
2647 | if (local_family != AF_INET6) { |
2648 | parse_warn(cfile, "subnet6 statement is only supported " | |
2649 | "in DHCPv6 mode."); | |
2650 | skip_to_semi(cfile); | |
2651 | return; | |
2652 | } | |
2653 | ||
98bd7ca0 DH |
2654 | subnet = NULL; |
2655 | status = subnet_allocate(&subnet, MDL); | |
2656 | if (status != ISC_R_SUCCESS) { | |
2657 | log_fatal("Allocation of new subnet failed: %s", | |
2658 | isc_result_totext(status)); | |
2659 | } | |
2660 | shared_network_reference(&subnet->shared_network, share, MDL); | |
7d6180be DH |
2661 | |
2662 | /* | |
2663 | * If our parent shared network was implicitly created by the software, | |
2664 | * and not explicitly configured by the user, then we actually put all | |
2665 | * configuration scope in the parent (the shared network and subnet | |
2666 | * share the same {}-level scope). | |
2667 | * | |
2668 | * Otherwise, we clone the parent group and continue as normal. | |
2669 | */ | |
2670 | if (share->flags & SHARED_IMPLICIT) { | |
2671 | group_reference(&subnet->group, share->group, MDL); | |
2672 | } else { | |
2673 | if (!clone_group(&subnet->group, share->group, MDL)) { | |
2674 | log_fatal("Allocation of group for new subnet failed."); | |
2675 | } | |
98bd7ca0 DH |
2676 | } |
2677 | subnet_reference(&subnet->group->subnet, subnet, MDL); | |
2678 | ||
2679 | if (!parse_ip6_addr(cfile, &subnet->net)) { | |
2680 | subnet_dereference(&subnet, MDL); | |
7dfc8ac2 | 2681 | return; |
20916cae | 2682 | } |
7dfc8ac2 | 2683 | |
98bd7ca0 DH |
2684 | token = next_token(&val, NULL, cfile); |
2685 | if (token != SLASH) { | |
2686 | parse_warn(cfile, "Expecting a '/'."); | |
2687 | skip_to_semi(cfile); | |
2688 | return; | |
2689 | } | |
1f814ff2 | 2690 | |
98bd7ca0 DH |
2691 | token = next_token(&val, NULL, cfile); |
2692 | if (token != NUMBER) { | |
2693 | parse_warn(cfile, "Expecting a number."); | |
2694 | skip_to_semi(cfile); | |
2695 | return; | |
2696 | } | |
2697 | ||
2698 | subnet->prefix_len = strtol(val, &endp, 10); | |
2699 | if ((subnet->prefix_len < 0) || | |
2700 | (subnet->prefix_len > 128) || | |
2701 | (*endp != '\0')) { | |
2702 | parse_warn(cfile, "Expecting a number between 0 and 128."); | |
2703 | skip_to_semi(cfile); | |
2704 | return; | |
2705 | } | |
2706 | ||
9b21e73e SK |
2707 | if (!is_cidr_mask_valid(&subnet->net, subnet->prefix_len)) { |
2708 | parse_warn(cfile, "New subnet mask too short."); | |
2709 | skip_to_semi(cfile); | |
2710 | return; | |
2711 | } | |
2712 | ||
98bd7ca0 DH |
2713 | /* |
2714 | * Create a netmask. | |
2715 | */ | |
2716 | subnet->netmask.len = 16; | |
2717 | ofs = subnet->prefix_len / 8; | |
2718 | if (ofs < subnet->netmask.len) { | |
2719 | subnet->netmask.iabuf[ofs] = mask[subnet->prefix_len % 8]; | |
2720 | } | |
2721 | while (--ofs >= 0) { | |
2722 | subnet->netmask.iabuf[ofs] = 0xFF; | |
2723 | } | |
2724 | ||
2725 | /* Validate the network number/netmask pair. */ | |
2726 | iaddr = subnet_number(subnet->net, subnet->netmask); | |
2727 | if (memcmp(&iaddr, &subnet->net, 16) != 0) { | |
2728 | parse_warn(cfile, | |
2729 | "subnet %s/%d: prefix not long enough for address.", | |
2730 | piaddr(subnet->net), subnet->prefix_len); | |
2731 | subnet_dereference(&subnet, MDL); | |
2732 | skip_to_semi(cfile); | |
2733 | return; | |
2734 | } | |
2735 | ||
2736 | if (!common_subnet_parsing(cfile, share, subnet)) { | |
2737 | return; | |
7dfc8ac2 | 2738 | } |
fe5b0fdd | 2739 | #endif /* defined(DHCPv6) */ |
685963dc TL |
2740 | } |
2741 | ||
2d59f590 | 2742 | /* group-declaration :== RBRACE parameters declarations LBRACE */ |
7dfc8ac2 | 2743 | |
2d59f590 | 2744 | void parse_group_declaration (cfile, group) |
35454d8a | 2745 | struct parse *cfile; |
7dfc8ac2 | 2746 | struct group *group; |
685963dc | 2747 | { |
b1b7b521 | 2748 | const char *val; |
6f8fb41f | 2749 | enum dhcp_token token; |
7dfc8ac2 | 2750 | struct group *g; |
2d59f590 | 2751 | int declaration = 0; |
29c35bed TL |
2752 | struct group_object *t; |
2753 | isc_result_t status; | |
d9eefc5d | 2754 | char *name = NULL; |
29c35bed TL |
2755 | int deletedp = 0; |
2756 | int dynamicp = 0; | |
2757 | int staticp = 0; | |
685963dc | 2758 | |
20916cae TL |
2759 | g = (struct group *)0; |
2760 | if (!clone_group (&g, group, MDL)) | |
2761 | log_fatal ("no memory for explicit group."); | |
685963dc | 2762 | |
b3519f23 | 2763 | token = peek_token (&val, (unsigned *)0, cfile); |
29c35bed | 2764 | if (is_identifier (token) || token == STRING) { |
b3519f23 | 2765 | next_token (&val, (unsigned *)0, cfile); |
29c35bed | 2766 | |
436f1c8c | 2767 | name = dmalloc (strlen (val) + 1, MDL); |
29c35bed TL |
2768 | if (!name) |
2769 | log_fatal ("no memory for group decl name %s", val); | |
2770 | strcpy (name, val); | |
2771 | } | |
2772 | ||
20916cae TL |
2773 | if (!parse_lbrace (cfile)) { |
2774 | group_dereference (&g, MDL); | |
7dfc8ac2 | 2775 | return; |
20916cae | 2776 | } |
d7837182 | 2777 | |
7dfc8ac2 | 2778 | do { |
b3519f23 | 2779 | token = peek_token (&val, (unsigned *)0, cfile); |
5376e3e9 | 2780 | if (token == RBRACE) { |
b3519f23 | 2781 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2782 | break; |
0b69dcc8 | 2783 | } else if (token == END_OF_FILE) { |
b3519f23 | 2784 | token = next_token (&val, (unsigned *)0, cfile); |
35454d8a | 2785 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 | 2786 | break; |
007e3ee4 | 2787 | } else if (token == TOKEN_DELETED) { |
b3519f23 | 2788 | token = next_token (&val, (unsigned *)0, cfile); |
29c35bed TL |
2789 | parse_semi (cfile); |
2790 | deletedp = 1; | |
2791 | } else if (token == DYNAMIC) { | |
b3519f23 | 2792 | token = next_token (&val, (unsigned *)0, cfile); |
29c35bed TL |
2793 | parse_semi (cfile); |
2794 | dynamicp = 1; | |
2795 | } else if (token == STATIC) { | |
b3519f23 | 2796 | token = next_token (&val, (unsigned *)0, cfile); |
29c35bed TL |
2797 | parse_semi (cfile); |
2798 | staticp = 1; | |
5376e3e9 | 2799 | } |
2d59f590 TL |
2800 | declaration = parse_statement (cfile, g, GROUP_DECL, |
2801 | (struct host_decl *)0, | |
2802 | declaration); | |
7dfc8ac2 | 2803 | } while (1); |
29c35bed TL |
2804 | |
2805 | if (name) { | |
2806 | if (deletedp) { | |
2807 | if (group_name_hash) { | |
20916cae TL |
2808 | t = (struct group_object *)0; |
2809 | if (group_hash_lookup (&t, group_name_hash, | |
2810 | name, | |
2811 | strlen (name), MDL)) { | |
29c35bed TL |
2812 | delete_group (t, 0); |
2813 | } | |
2814 | } | |
2815 | } else { | |
20916cae TL |
2816 | t = (struct group_object *)0; |
2817 | status = group_object_allocate (&t, MDL); | |
2818 | if (status != ISC_R_SUCCESS) | |
2819 | log_fatal ("no memory for group decl %s: %s", | |
2820 | val, isc_result_totext (status)); | |
2821 | group_reference (&t -> group, g, MDL); | |
29c35bed TL |
2822 | t -> name = name; |
2823 | t -> flags = ((staticp ? GROUP_OBJECT_STATIC : 0) | | |
2824 | (dynamicp ? GROUP_OBJECT_DYNAMIC : 0) | | |
2825 | (deletedp ? GROUP_OBJECT_DELETED : 0)); | |
2826 | supersede_group (t, 0); | |
2827 | } | |
20916cae TL |
2828 | if (t) |
2829 | group_object_dereference (&t, MDL); | |
29c35bed | 2830 | } |
d7837182 TL |
2831 | } |
2832 | ||
2d59f590 TL |
2833 | /* fixed-addr-parameter :== ip-addrs-or-hostnames SEMI |
2834 | ip-addrs-or-hostnames :== ip-addr-or-hostname | |
2835 | | ip-addrs-or-hostnames ip-addr-or-hostname */ | |
d7837182 | 2836 | |
98bd7ca0 DH |
2837 | int |
2838 | parse_fixed_addr_param(struct option_cache **oc, | |
2839 | struct parse *cfile, | |
2840 | enum dhcp_token type) { | |
2841 | int parse_ok; | |
b1b7b521 | 2842 | const char *val; |
6f8fb41f | 2843 | enum dhcp_token token; |
98bd7ca0 | 2844 | struct expression *expr = NULL; |
6f8fb41f TL |
2845 | struct expression *tmp, *new; |
2846 | int status; | |
1f814ff2 TL |
2847 | |
2848 | do { | |
98bd7ca0 DH |
2849 | tmp = NULL; |
2850 | if (type == FIXED_ADDR) { | |
2851 | parse_ok = parse_ip_addr_or_hostname(&tmp, cfile, 1); | |
2852 | } else { | |
2853 | /* INSIST(type == FIXED_ADDR6); */ | |
2854 | parse_ok = parse_ip6_addr_expr(&tmp, cfile); | |
2855 | } | |
2856 | if (parse_ok) { | |
2857 | if (expr != NULL) { | |
2858 | new = NULL; | |
2859 | status = make_concat(&new, expr, tmp); | |
2860 | expression_dereference(&expr, MDL); | |
2861 | expression_dereference(&tmp, MDL); | |
2862 | if (!status) { | |
028a8588 | 2863 | return 0; |
98bd7ca0 | 2864 | } |
028a8588 | 2865 | expr = new; |
98bd7ca0 | 2866 | } else { |
028a8588 | 2867 | expr = tmp; |
98bd7ca0 | 2868 | } |
6f8fb41f | 2869 | } else { |
98bd7ca0 | 2870 | if (expr != NULL) { |
436f1c8c | 2871 | expression_dereference (&expr, MDL); |
98bd7ca0 | 2872 | } |
6f8fb41f TL |
2873 | return 0; |
2874 | } | |
98bd7ca0 DH |
2875 | token = peek_token(&val, NULL, cfile); |
2876 | if (token == COMMA) { | |
2877 | token = next_token(&val, NULL, cfile); | |
2878 | } | |
1f814ff2 | 2879 | } while (token == COMMA); |
7dfc8ac2 | 2880 | |
98bd7ca0 DH |
2881 | if (!parse_semi(cfile)) { |
2882 | if (expr) { | |
436f1c8c | 2883 | expression_dereference (&expr, MDL); |
98bd7ca0 | 2884 | } |
6f8fb41f TL |
2885 | return 0; |
2886 | } | |
98bd7ca0 DH |
2887 | |
2888 | status = option_cache(oc, NULL, expr, NULL, MDL); | |
2889 | expression_dereference(&expr, MDL); | |
6f8fb41f | 2890 | return status; |
d7837182 TL |
2891 | } |
2892 | ||
2d59f590 TL |
2893 | /* lease_declaration :== LEASE ip_address LBRACE lease_parameters RBRACE |
2894 | ||
2895 | lease_parameters :== <nil> | |
2896 | | lease_parameter | |
2897 | | lease_parameters lease_parameter | |
2898 | ||
2899 | lease_parameter :== STARTS date | |
2900 | | ENDS date | |
2901 | | TIMESTAMP date | |
2902 | | HARDWARE hardware-parameter | |
2903 | | UID hex_numbers SEMI | |
ccf5778a TL |
2904 | | HOSTNAME hostname SEMI |
2905 | | CLIENT_HOSTNAME hostname SEMI | |
2d59f590 TL |
2906 | | CLASS identifier SEMI |
2907 | | DYNAMIC_BOOTP SEMI */ | |
2908 | ||
20916cae | 2909 | int parse_lease_declaration (struct lease **lp, struct parse *cfile) |
d7837182 | 2910 | { |
b1b7b521 | 2911 | const char *val; |
6f8fb41f | 2912 | enum dhcp_token token; |
d7837182 | 2913 | unsigned char addr [4]; |
b1b7b521 | 2914 | unsigned len = sizeof addr; |
d7837182 TL |
2915 | int seenmask = 0; |
2916 | int seenbit; | |
2917 | char tbuf [32]; | |
20916cae | 2918 | struct lease *lease; |
96d7d13e TL |
2919 | struct executable_statement *on; |
2920 | int lose; | |
9e9b2261 | 2921 | TIME t; |
436f1c8c TL |
2922 | int noequal, newbinding; |
2923 | struct binding *binding; | |
7285af30 | 2924 | struct binding_value *nv; |
20916cae | 2925 | isc_result_t status; |
6c5223f5 TL |
2926 | struct option_cache *oc; |
2927 | pair *p; | |
e15d235d | 2928 | binding_state_t new_state; |
b3519f23 | 2929 | unsigned buflen = 0; |
f545ef7f | 2930 | struct class *class; |
d7837182 | 2931 | |
20916cae TL |
2932 | lease = (struct lease *)0; |
2933 | status = lease_allocate (&lease, MDL); | |
2934 | if (status != ISC_R_SUCCESS) | |
2935 | return 0; | |
9375101b | 2936 | |
d7837182 | 2937 | /* Get the address for which the lease has been issued. */ |
20916cae TL |
2938 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
2939 | lease_dereference (&lease, MDL); | |
2940 | return 0; | |
2941 | } | |
2942 | memcpy (lease -> ip_addr.iabuf, addr, len); | |
2943 | lease -> ip_addr.len = len; | |
d7837182 | 2944 | |
20916cae TL |
2945 | if (!parse_lbrace (cfile)) { |
2946 | lease_dereference (&lease, MDL); | |
2947 | return 0; | |
2948 | } | |
7dfc8ac2 | 2949 | |
d7837182 | 2950 | do { |
b3519f23 | 2951 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2952 | if (token == RBRACE) |
d7837182 | 2953 | break; |
0b69dcc8 | 2954 | else if (token == END_OF_FILE) { |
35454d8a | 2955 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 TL |
2956 | break; |
2957 | } | |
ece6ea33 | 2958 | strncpy (tbuf, val, sizeof tbuf); |
d7837182 TL |
2959 | tbuf [(sizeof tbuf) - 1] = 0; |
2960 | ||
2961 | /* Parse any of the times associated with the lease. */ | |
9e9b2261 TL |
2962 | switch (token) { |
2963 | case STARTS: | |
2964 | case ENDS: | |
2965 | case TIMESTAMP: | |
2966 | case TSTP: | |
2967 | case TSFP: | |
88cd8aca | 2968 | case ATSFP: |
8c8e27c5 | 2969 | case CLTT: |
7dfc8ac2 | 2970 | t = parse_date (cfile); |
d7837182 TL |
2971 | switch (token) { |
2972 | case STARTS: | |
2973 | seenbit = 1; | |
20916cae | 2974 | lease -> starts = t; |
d7837182 TL |
2975 | break; |
2976 | ||
2977 | case ENDS: | |
2978 | seenbit = 2; | |
20916cae | 2979 | lease -> ends = t; |
d7837182 TL |
2980 | break; |
2981 | ||
9e9b2261 TL |
2982 | case TSTP: |
2983 | seenbit = 65536; | |
20916cae | 2984 | lease -> tstp = t; |
19d868b2 | 2985 | break; |
9e9b2261 TL |
2986 | |
2987 | case TSFP: | |
2988 | seenbit = 131072; | |
20916cae | 2989 | lease -> tsfp = t; |
d7837182 | 2990 | break; |
88cd8aca DH |
2991 | |
2992 | case ATSFP: | |
2993 | seenbit = 262144; | |
2994 | lease->atsfp = t; | |
2995 | break; | |
9e9b2261 | 2996 | |
8c8e27c5 TL |
2997 | case CLTT: |
2998 | seenbit = 524288; | |
20916cae | 2999 | lease -> cltt = t; |
8c8e27c5 TL |
3000 | break; |
3001 | ||
9e9b2261 | 3002 | default: /* for gcc, we'll never get here. */ |
98311e4b DH |
3003 | log_fatal ("Impossible error at %s:%d.", MDL); |
3004 | return 0; | |
9e9b2261 TL |
3005 | } |
3006 | break; | |
d7837182 | 3007 | |
c57db45c | 3008 | /* Colon-separated hexadecimal octets... */ |
9e9b2261 TL |
3009 | case UID: |
3010 | seenbit = 8; | |
b3519f23 | 3011 | token = peek_token (&val, (unsigned *)0, cfile); |
9e9b2261 TL |
3012 | if (token == STRING) { |
3013 | unsigned char *tuid; | |
b3519f23 | 3014 | token = next_token (&val, &buflen, cfile); |
a3cd7f28 | 3015 | if (buflen < sizeof lease -> uid_buf) { |
b3519f23 | 3016 | tuid = lease -> uid_buf; |
a3cd7f28 TL |
3017 | lease -> uid_max = |
3018 | sizeof lease -> uid_buf; | |
3019 | } else { | |
b3519f23 TL |
3020 | tuid = ((unsigned char *) |
3021 | dmalloc (buflen, MDL)); | |
3022 | if (!tuid) { | |
3023 | log_error ("no space for uid"); | |
3024 | lease_dereference (&lease, | |
3025 | MDL); | |
3026 | return 0; | |
3027 | } | |
a3cd7f28 | 3028 | lease -> uid_max = buflen; |
d7837182 | 3029 | } |
7ebf32da | 3030 | lease -> uid_len = buflen; |
20916cae TL |
3031 | memcpy (tuid, val, lease -> uid_len); |
3032 | lease -> uid = tuid; | |
9e9b2261 | 3033 | } else { |
b3519f23 | 3034 | buflen = 0; |
20916cae TL |
3035 | lease -> uid = (parse_numeric_aggregate |
3036 | (cfile, (unsigned char *)0, | |
b3519f23 | 3037 | &buflen, ':', 16, 8)); |
20916cae TL |
3038 | if (!lease -> uid) { |
3039 | lease_dereference (&lease, MDL); | |
3040 | return 0; | |
3041 | } | |
7ebf32da | 3042 | lease -> uid_len = buflen; |
a3cd7f28 | 3043 | lease -> uid_max = buflen; |
20916cae TL |
3044 | if (lease -> uid_len == 0) { |
3045 | lease -> uid = (unsigned char *)0; | |
9e9b2261 TL |
3046 | parse_warn (cfile, "zero-length uid"); |
3047 | seenbit = 0; | |
d0463358 | 3048 | parse_semi (cfile); |
9e9b2261 TL |
3049 | break; |
3050 | } | |
3051 | } | |
d0463358 | 3052 | parse_semi (cfile); |
20916cae | 3053 | if (!lease -> uid) { |
9e9b2261 TL |
3054 | log_fatal ("No memory for lease uid"); |
3055 | } | |
3056 | break; | |
a55ccdd0 | 3057 | |
9e9b2261 TL |
3058 | case CLASS: |
3059 | seenbit = 32; | |
b3519f23 | 3060 | token = next_token (&val, (unsigned *)0, cfile); |
9e9b2261 TL |
3061 | if (!is_identifier (token)) { |
3062 | if (token != SEMI) | |
3063 | skip_to_rbrace (cfile, 1); | |
20916cae TL |
3064 | lease_dereference (&lease, MDL); |
3065 | return 0; | |
9e9b2261 | 3066 | } |
d0463358 | 3067 | parse_semi (cfile); |
9e9b2261 TL |
3068 | /* for now, we aren't using this. */ |
3069 | break; | |
ccf5778a | 3070 | |
9e9b2261 TL |
3071 | case HARDWARE: |
3072 | seenbit = 64; | |
3073 | parse_hardware_param (cfile, | |
20916cae | 3074 | &lease -> hardware_addr); |
9e9b2261 TL |
3075 | break; |
3076 | ||
a55ccdd0 DH |
3077 | case TOKEN_RESERVED: |
3078 | seenbit = 0; | |
3079 | lease->flags |= RESERVED_LEASE; | |
3080 | parse_semi(cfile); | |
3081 | break; | |
3082 | ||
9e9b2261 | 3083 | case DYNAMIC_BOOTP: |
a55ccdd0 | 3084 | seenbit = 0; |
98311e4b | 3085 | lease -> flags |= BOOTP_LEASE; |
d0463358 | 3086 | parse_semi (cfile); |
9e9b2261 | 3087 | break; |
a55ccdd0 DH |
3088 | |
3089 | /* XXX: Reverse compatibility? */ | |
007e3ee4 TL |
3090 | case TOKEN_ABANDONED: |
3091 | seenbit = 256; | |
3092 | lease -> binding_state = FTS_ABANDONED; | |
3093 | lease -> next_binding_state = FTS_ABANDONED; | |
d0463358 | 3094 | parse_semi (cfile); |
9e9b2261 TL |
3095 | break; |
3096 | ||
007e3ee4 TL |
3097 | case TOKEN_NEXT: |
3098 | seenbit = 128; | |
b3519f23 | 3099 | token = next_token (&val, (unsigned *)0, cfile); |
301a5b66 TL |
3100 | if (token != BINDING) { |
3101 | parse_warn (cfile, "expecting 'binding'"); | |
3102 | skip_to_semi (cfile); | |
3103 | break; | |
3104 | } | |
007e3ee4 TL |
3105 | goto do_binding_state; |
3106 | ||
3107 | case BINDING: | |
9e9b2261 | 3108 | seenbit = 256; |
007e3ee4 TL |
3109 | |
3110 | do_binding_state: | |
b3519f23 | 3111 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
3112 | if (token != STATE) { |
3113 | parse_warn (cfile, "expecting 'state'"); | |
3114 | skip_to_semi (cfile); | |
3115 | break; | |
3116 | } | |
b3519f23 | 3117 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
3118 | switch (token) { |
3119 | case TOKEN_ABANDONED: | |
e15d235d | 3120 | new_state = FTS_ABANDONED; |
007e3ee4 TL |
3121 | break; |
3122 | case TOKEN_FREE: | |
e15d235d | 3123 | new_state = FTS_FREE; |
007e3ee4 TL |
3124 | break; |
3125 | case TOKEN_ACTIVE: | |
e15d235d | 3126 | new_state = FTS_ACTIVE; |
007e3ee4 TL |
3127 | break; |
3128 | case TOKEN_EXPIRED: | |
e15d235d | 3129 | new_state = FTS_EXPIRED; |
007e3ee4 TL |
3130 | break; |
3131 | case TOKEN_RELEASED: | |
e15d235d | 3132 | new_state = FTS_RELEASED; |
007e3ee4 TL |
3133 | break; |
3134 | case TOKEN_RESET: | |
e15d235d | 3135 | new_state = FTS_RESET; |
007e3ee4 TL |
3136 | break; |
3137 | case TOKEN_BACKUP: | |
e15d235d | 3138 | new_state = FTS_BACKUP; |
007e3ee4 | 3139 | break; |
a55ccdd0 DH |
3140 | |
3141 | /* RESERVED and BOOTP states preserved for | |
20ae1aff | 3142 | * compatibleness with older versions. |
a55ccdd0 | 3143 | */ |
007e3ee4 | 3144 | case TOKEN_RESERVED: |
98311e4b | 3145 | new_state = FTS_ACTIVE; |
a55ccdd0 | 3146 | lease->flags |= RESERVED_LEASE; |
007e3ee4 TL |
3147 | break; |
3148 | case TOKEN_BOOTP: | |
98311e4b | 3149 | new_state = FTS_ACTIVE; |
a55ccdd0 | 3150 | lease->flags |= BOOTP_LEASE; |
007e3ee4 | 3151 | break; |
a55ccdd0 | 3152 | |
007e3ee4 TL |
3153 | default: |
3154 | parse_warn (cfile, | |
3155 | "%s: expecting a binding state.", | |
3156 | val); | |
3157 | skip_to_semi (cfile); | |
98311e4b | 3158 | return 0; |
007e3ee4 | 3159 | } |
e15d235d TL |
3160 | |
3161 | if (seenbit == 256) { | |
3162 | lease -> binding_state = new_state; | |
3163 | ||
3164 | /* If no next binding state is specified, it's | |
3165 | the same as the current state. */ | |
3166 | if (!(seenmask & 128)) | |
3167 | lease -> next_binding_state = new_state; | |
3168 | } else | |
3169 | lease -> next_binding_state = new_state; | |
3170 | ||
d0463358 | 3171 | parse_semi (cfile); |
9e9b2261 | 3172 | break; |
ccf5778a | 3173 | |
9e9b2261 TL |
3174 | case CLIENT_HOSTNAME: |
3175 | seenbit = 1024; | |
b3519f23 TL |
3176 | token = peek_token (&val, (unsigned *)0, cfile); |
3177 | if (token == STRING) { | |
3178 | if (!parse_string (cfile, | |
3179 | &lease -> client_hostname, | |
3180 | (unsigned *)0)) { | |
3181 | lease_dereference (&lease, MDL); | |
3182 | return 0; | |
3183 | } | |
3184 | } else { | |
20916cae | 3185 | lease -> client_hostname = |
9e9b2261 | 3186 | parse_host_name (cfile); |
20916cae | 3187 | if (lease -> client_hostname) |
d0463358 | 3188 | parse_semi (cfile); |
b3519f23 TL |
3189 | else { |
3190 | parse_warn (cfile, | |
3191 | "expecting a hostname."); | |
3192 | skip_to_semi (cfile); | |
3193 | lease_dereference (&lease, MDL); | |
3194 | return 0; | |
3195 | } | |
d0463358 | 3196 | } |
9e9b2261 TL |
3197 | break; |
3198 | ||
3199 | case BILLING: | |
3200 | seenbit = 2048; | |
f545ef7f | 3201 | class = (struct class *)0; |
b3519f23 | 3202 | token = next_token (&val, (unsigned *)0, cfile); |
9e9b2261 | 3203 | if (token == CLASS) { |
b3519f23 TL |
3204 | token = next_token (&val, |
3205 | (unsigned *)0, cfile); | |
9e9b2261 TL |
3206 | if (token != STRING) { |
3207 | parse_warn (cfile, "expecting string"); | |
88dcab62 TL |
3208 | if (token != SEMI) |
3209 | skip_to_semi (cfile); | |
9e9b2261 TL |
3210 | token = BILLING; |
3211 | break; | |
88dcab62 | 3212 | } |
aaafa64a | 3213 | if (lease -> billing_class) |
ed1dc2c5 TL |
3214 | class_dereference (&lease -> billing_class, |
3215 | MDL); | |
f545ef7f TL |
3216 | find_class (&class, val, MDL); |
3217 | if (!class) | |
9e9b2261 TL |
3218 | parse_warn (cfile, |
3219 | "unknown class %s", val); | |
3220 | parse_semi (cfile); | |
3221 | } else if (token == SUBCLASS) { | |
20916cae | 3222 | if (lease -> billing_class) |
ed1dc2c5 TL |
3223 | class_dereference (&lease -> billing_class, |
3224 | MDL); | |
06e77c34 DH |
3225 | parse_class_declaration(&class, cfile, NULL, |
3226 | CLASS_TYPE_SUBCLASS); | |
9e9b2261 TL |
3227 | } else { |
3228 | parse_warn (cfile, "expecting \"class\""); | |
3229 | if (token != SEMI) | |
3230 | skip_to_semi (cfile); | |
3231 | } | |
f545ef7f | 3232 | if (class) { |
ed1dc2c5 TL |
3233 | class_reference (&lease -> billing_class, |
3234 | class, MDL); | |
f545ef7f TL |
3235 | class_dereference (&class, MDL); |
3236 | } | |
9e9b2261 | 3237 | break; |
96d7d13e | 3238 | |
9e9b2261 TL |
3239 | case ON: |
3240 | on = (struct executable_statement *)0; | |
3241 | lose = 0; | |
3242 | if (!parse_on_statement (&on, cfile, &lose)) { | |
3243 | skip_to_rbrace (cfile, 1); | |
20916cae TL |
3244 | lease_dereference (&lease, MDL); |
3245 | return 0; | |
7dfc8ac2 | 3246 | } |
436f1c8c | 3247 | seenbit = 0; |
d0463358 | 3248 | if ((on -> data.on.evtypes & ON_EXPIRY) && |
9e9b2261 | 3249 | on -> data.on.statements) { |
436f1c8c | 3250 | seenbit |= 16384; |
9e9b2261 | 3251 | executable_statement_reference |
20916cae | 3252 | (&lease -> on_expiry, |
436f1c8c | 3253 | on -> data.on.statements, MDL); |
d0463358 TL |
3254 | } |
3255 | if ((on -> data.on.evtypes & ON_RELEASE) && | |
3256 | on -> data.on.statements) { | |
436f1c8c | 3257 | seenbit |= 32768; |
9e9b2261 | 3258 | executable_statement_reference |
20916cae | 3259 | (&lease -> on_release, |
436f1c8c | 3260 | on -> data.on.statements, MDL); |
9e9b2261 | 3261 | } |
436f1c8c | 3262 | executable_statement_dereference (&on, MDL); |
9e9b2261 | 3263 | break; |
7285af30 | 3264 | |
9e383163 | 3265 | case OPTION: |
a609e69b | 3266 | case SUPERSEDE: |
9e383163 TL |
3267 | noequal = 0; |
3268 | seenbit = 0; | |
3269 | oc = (struct option_cache *)0; | |
3270 | if (parse_option_decl (&oc, cfile)) { | |
6c5223f5 TL |
3271 | if (oc -> option -> universe != |
3272 | &agent_universe) { | |
3273 | parse_warn (cfile, | |
3274 | "agent option expected."); | |
3275 | option_cache_dereference (&oc, MDL); | |
3276 | break; | |
3277 | } | |
3278 | if (!lease -> agent_options && | |
3279 | !(option_chain_head_allocate | |
3280 | (&lease -> agent_options, MDL))) { | |
3281 | log_error ("no memory to stash agent option"); | |
3282 | break; | |
3283 | } | |
3284 | for (p = &lease -> agent_options -> first; | |
3285 | *p; p = &((*p) -> cdr)) | |
3286 | ; | |
3287 | *p = cons (0, 0); | |
3288 | option_cache_reference (((struct option_cache **) | |
3289 | &((*p) -> car)), oc, MDL); | |
3290 | option_cache_dereference (&oc, MDL); | |
9e383163 TL |
3291 | } |
3292 | break; | |
3293 | ||
436f1c8c TL |
3294 | case TOKEN_SET: |
3295 | noequal = 0; | |
3296 | ||
b3519f23 | 3297 | token = next_token (&val, (unsigned *)0, cfile); |
436f1c8c TL |
3298 | if (token != NAME && token != NUMBER_OR_NAME) { |
3299 | parse_warn (cfile, | |
3300 | "%s can't be a variable name", | |
3301 | val); | |
3302 | badset: | |
3303 | skip_to_semi (cfile); | |
20916cae TL |
3304 | lease_dereference (&lease, MDL); |
3305 | return 0; | |
436f1c8c TL |
3306 | } |
3307 | ||
3308 | seenbit = 0; | |
3309 | special_set: | |
6ceb9118 TL |
3310 | if (lease -> scope) |
3311 | binding = find_binding (lease -> scope, val); | |
3312 | else | |
3313 | binding = (struct binding *)0; | |
7285af30 | 3314 | |
436f1c8c | 3315 | if (!binding) { |
6ceb9118 TL |
3316 | if (!lease -> scope) |
3317 | if (!(binding_scope_allocate | |
3318 | (&lease -> scope, MDL))) | |
3319 | log_fatal ("no memory for scope"); | |
d758ad8c TL |
3320 | binding = dmalloc (sizeof *binding, MDL); |
3321 | if (!binding) | |
3322 | log_fatal ("No memory for lease %s.", | |
3323 | "binding"); | |
3324 | memset (binding, 0, sizeof *binding); | |
3325 | binding -> name = | |
3326 | dmalloc (strlen (val) + 1, MDL); | |
3327 | if (!binding -> name) | |
3328 | log_fatal ("No memory for binding %s.", | |
3329 | "name"); | |
3330 | strcpy (binding -> name, val); | |
3331 | newbinding = 1; | |
98311e4b | 3332 | } else { |
7285af30 | 3333 | newbinding = 0; |
436f1c8c | 3334 | } |
98311e4b | 3335 | |
8bfe717e | 3336 | nv = NULL; |
7285af30 DH |
3337 | if (!binding_value_allocate(&nv, MDL)) |
3338 | log_fatal("no memory for binding value."); | |
436f1c8c TL |
3339 | |
3340 | if (!noequal) { | |
b3519f23 | 3341 | token = next_token (&val, (unsigned *)0, cfile); |
436f1c8c TL |
3342 | if (token != EQUAL) { |
3343 | parse_warn (cfile, | |
3344 | "expecting '=' in set statement."); | |
3345 | goto badset; | |
3346 | } | |
3347 | } | |
3348 | ||
7285af30 DH |
3349 | if (!parse_binding_value(cfile, nv)) { |
3350 | binding_value_dereference(&nv, MDL); | |
3351 | lease_dereference(&lease, MDL); | |
20916cae | 3352 | return 0; |
436f1c8c | 3353 | } |
7285af30 | 3354 | |
436f1c8c | 3355 | if (newbinding) { |
7285af30 DH |
3356 | binding_value_reference(&binding->value, |
3357 | nv, MDL); | |
3358 | binding->next = lease->scope->bindings; | |
3359 | lease->scope->bindings = binding; | |
3360 | } else { | |
3361 | binding_value_dereference(&binding->value, MDL); | |
3362 | binding_value_reference(&binding->value, | |
3363 | nv, MDL); | |
436f1c8c | 3364 | } |
7285af30 DH |
3365 | |
3366 | binding_value_dereference(&nv, MDL); | |
3367 | parse_semi(cfile); | |
436f1c8c TL |
3368 | break; |
3369 | ||
7285af30 | 3370 | /* case NAME: */ |
9e9b2261 | 3371 | default: |
436f1c8c TL |
3372 | if (!strcasecmp (val, "ddns-fwd-name")) { |
3373 | seenbit = 4096; | |
3374 | noequal = 1; | |
3375 | goto special_set; | |
3376 | } else if (!strcasecmp (val, "ddns-rev-name")) { | |
3377 | seenbit = 8192; | |
3378 | noequal = 1; | |
3379 | goto special_set; | |
7285af30 DH |
3380 | } else |
3381 | parse_warn(cfile, "Unexpected configuration " | |
3382 | "directive."); | |
9e9b2261 TL |
3383 | skip_to_semi (cfile); |
3384 | seenbit = 0; | |
20916cae TL |
3385 | lease_dereference (&lease, MDL); |
3386 | return 0; | |
9e9b2261 | 3387 | } |
7dfc8ac2 | 3388 | |
d7837182 | 3389 | if (seenmask & seenbit) { |
35454d8a TL |
3390 | parse_warn (cfile, |
3391 | "Too many %s parameters in lease %s\n", | |
20916cae | 3392 | tbuf, piaddr (lease -> ip_addr)); |
d7837182 TL |
3393 | } else |
3394 | seenmask |= seenbit; | |
7dfc8ac2 | 3395 | |
d7837182 | 3396 | } while (1); |
8afe0787 TL |
3397 | |
3398 | /* If no binding state is specified, make one up. */ | |
3399 | if (!(seenmask & 256)) { | |
e73a0769 TL |
3400 | if (lease -> ends > cur_time || |
3401 | lease -> on_expiry || lease -> on_release) | |
8afe0787 | 3402 | lease -> binding_state = FTS_ACTIVE; |
301a5b66 | 3403 | #if defined (FAILOVER_PROTOCOL) |
e73a0769 TL |
3404 | else if (lease -> pool && lease -> pool -> failover_peer) |
3405 | lease -> binding_state = FTS_EXPIRED; | |
301a5b66 | 3406 | #endif |
8afe0787 TL |
3407 | else |
3408 | lease -> binding_state = FTS_FREE; | |
e73a0769 | 3409 | if (lease -> binding_state == FTS_ACTIVE) { |
301a5b66 | 3410 | #if defined (FAILOVER_PROTOCOL) |
e73a0769 TL |
3411 | if (lease -> pool && lease -> pool -> failover_peer) |
3412 | lease -> next_binding_state = FTS_EXPIRED; | |
3413 | else | |
301a5b66 | 3414 | #endif |
e73a0769 TL |
3415 | lease -> next_binding_state = FTS_FREE; |
3416 | } else | |
3417 | lease -> next_binding_state = lease -> binding_state; | |
8afe0787 TL |
3418 | } |
3419 | ||
6f8a0361 TL |
3420 | if (!(seenmask & 65536)) |
3421 | lease -> tstp = lease -> ends; | |
3422 | ||
20916cae TL |
3423 | lease_reference (lp, lease, MDL); |
3424 | lease_dereference (&lease, MDL); | |
3425 | return 1; | |
d7837182 TL |
3426 | } |
3427 | ||
7285af30 DH |
3428 | /* Parse the right side of a 'binding value'. |
3429 | * | |
3430 | * set foo = "bar"; is a string | |
3431 | * set foo = false; is a boolean | |
3432 | * set foo = %31; is a numeric value. | |
3433 | */ | |
3434 | static int | |
3435 | parse_binding_value(struct parse *cfile, struct binding_value *value) | |
3436 | { | |
3437 | struct data_string *data; | |
3438 | unsigned char *s; | |
3439 | const char *val; | |
3440 | unsigned buflen; | |
3441 | int token; | |
3442 | ||
3443 | if ((cfile == NULL) || (value == NULL)) | |
3444 | log_fatal("Invalid arguments at %s:%d.", MDL); | |
3445 | ||
3446 | token = peek_token(&val, NULL, cfile); | |
3447 | if (token == STRING) { | |
3448 | token = next_token(&val, &buflen, cfile); | |
3449 | ||
3450 | value->type = binding_data; | |
3451 | value->value.data.len = buflen; | |
3452 | ||
3453 | data = &value->value.data; | |
3454 | ||
3455 | if (!buffer_allocate(&data->buffer, buflen + 1, MDL)) | |
3456 | log_fatal ("No memory for binding."); | |
3457 | ||
3458 | memcpy(data->buffer->data, val, buflen + 1); | |
3459 | ||
3460 | data->data = data->buffer->data; | |
3461 | data->terminated = 1; | |
3462 | } else if (token == NUMBER_OR_NAME) { | |
3463 | value->type = binding_data; | |
3464 | ||
3465 | data = &value->value.data; | |
3466 | s = parse_numeric_aggregate(cfile, NULL, &data->len, | |
3467 | ':', 16, 8); | |
3468 | if (s == NULL) { | |
3469 | skip_to_semi(cfile); | |
3470 | return 0; | |
3471 | } | |
3472 | ||
3473 | if (data->len) { | |
3474 | if (!buffer_allocate(&data->buffer, data->len + 1, | |
3475 | MDL)) | |
3476 | log_fatal("No memory for binding."); | |
3477 | ||
3478 | memcpy(data->buffer->data, s, data->len); | |
3479 | data->data = data->buffer->data; | |
3480 | ||
3481 | dfree (s, MDL); | |
3482 | } | |
3483 | } else if (token == PERCENT) { | |
3484 | token = next_token(&val, NULL, cfile); | |
3485 | token = next_token(&val, NULL, cfile); | |
3486 | if (token != NUMBER) { | |
3487 | parse_warn(cfile, "expecting decimal number."); | |
3488 | if (token != SEMI) | |
3489 | skip_to_semi(cfile); | |
3490 | return 0; | |
3491 | } | |
3492 | value->type = binding_numeric; | |
3493 | value->value.intval = atol(val); | |
3494 | } else if (token == NAME) { | |
3495 | token = next_token(&val, NULL, cfile); | |
3496 | value->type = binding_boolean; | |
3497 | if (!strcasecmp(val, "true")) | |
3498 | value->value.boolean = 1; | |
3499 | else if (!strcasecmp(val, "false")) | |
3500 | value->value.boolean = 0; | |
3501 | else { | |
3502 | parse_warn(cfile, "expecting true or false"); | |
3503 | if (token != SEMI) | |
3504 | skip_to_semi(cfile); | |
3505 | return 0; | |
3506 | } | |
3507 | } else { | |
3508 | parse_warn (cfile, "expecting a constant value."); | |
3509 | if (token != SEMI) | |
3510 | skip_to_semi (cfile); | |
3511 | return 0; | |
3512 | } | |
3513 | ||
3514 | return 1; | |
3515 | } | |
3516 | ||
2d59f590 TL |
3517 | /* address-range-declaration :== ip-address ip-address SEMI |
3518 | | DYNAMIC_BOOTP ip-address ip-address SEMI */ | |
d7837182 | 3519 | |
98311e4b | 3520 | void parse_address_range (cfile, group, type, inpool, lpchain) |
35454d8a | 3521 | struct parse *cfile; |
f63b4929 TL |
3522 | struct group *group; |
3523 | int type; | |
20916cae | 3524 | struct pool *inpool; |
98311e4b | 3525 | struct lease **lpchain; |
d7837182 | 3526 | { |
f63b4929 | 3527 | struct iaddr low, high, net; |
d7837182 | 3528 | unsigned char addr [4]; |
b1b7b521 | 3529 | unsigned len = sizeof addr; |
6f8fb41f | 3530 | enum dhcp_token token; |
b1b7b521 | 3531 | const char *val; |
1f814ff2 | 3532 | int dynamic = 0; |
f63b4929 TL |
3533 | struct subnet *subnet; |
3534 | struct shared_network *share; | |
20916cae TL |
3535 | struct pool *pool; |
3536 | isc_result_t status; | |
1f814ff2 | 3537 | |
b3519f23 TL |
3538 | if ((token = peek_token (&val, |
3539 | (unsigned *)0, cfile)) == DYNAMIC_BOOTP) { | |
3540 | token = next_token (&val, (unsigned *)0, cfile); | |
ece6ea33 | 3541 | dynamic = 1; |
1f814ff2 | 3542 | } |
d7837182 TL |
3543 | |
3544 | /* Get the bottom address in the range... */ | |
7dfc8ac2 TL |
3545 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) |
3546 | return; | |
089fb364 TL |
3547 | memcpy (low.iabuf, addr, len); |
3548 | low.len = len; | |
d7837182 | 3549 | |
2d59f590 | 3550 | /* Only one address? */ |
b3519f23 | 3551 | token = peek_token (&val, (unsigned *)0, cfile); |
2d59f590 TL |
3552 | if (token == SEMI) |
3553 | high = low; | |
3554 | else { | |
d7837182 | 3555 | /* Get the top address in the range... */ |
2d59f590 TL |
3556 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) |
3557 | return; | |
3558 | memcpy (high.iabuf, addr, len); | |
3559 | high.len = len; | |
3560 | } | |
d7837182 | 3561 | |
b3519f23 | 3562 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 3563 | if (token != SEMI) { |
35454d8a | 3564 | parse_warn (cfile, "semicolon expected."); |
7dfc8ac2 TL |
3565 | skip_to_semi (cfile); |
3566 | return; | |
3567 | } | |
3568 | ||
f63b4929 TL |
3569 | if (type == SUBNET_DECL) { |
3570 | subnet = group -> subnet; | |
3571 | share = subnet -> shared_network; | |
3572 | } else { | |
3573 | share = group -> shared_network; | |
3574 | for (subnet = share -> subnets; | |
3575 | subnet; subnet = subnet -> next_sibling) { | |
3576 | net = subnet_number (low, subnet -> netmask); | |
e5e41be4 | 3577 | if (addr_eq (net, subnet -> net)) |
f63b4929 TL |
3578 | break; |
3579 | } | |
3580 | if (!subnet) { | |
35454d8a | 3581 | parse_warn (cfile, "address range not on network %s", |
f63b4929 | 3582 | group -> shared_network -> name); |
e5e41be4 TL |
3583 | log_error ("Be sure to place pool statement after %s", |
3584 | "related subnet declarations."); | |
f63b4929 TL |
3585 | return; |
3586 | } | |
3587 | } | |
3588 | ||
20916cae | 3589 | if (!inpool) { |
0a1dfb65 | 3590 | struct pool *last = (struct pool *)0; |
9e9b2261 | 3591 | |
f63b4929 TL |
3592 | /* If we're permitting dynamic bootp for this range, |
3593 | then look for a pool with an empty prohibit list and | |
436f1c8c | 3594 | a permit list with one entry that permits all clients. */ |
f63b4929 | 3595 | for (pool = share -> pools; pool; pool = pool -> next) { |
436f1c8c TL |
3596 | if ((!dynamic && !pool -> permit_list && |
3597 | pool -> prohibit_list && | |
3598 | !pool -> prohibit_list -> next && | |
3599 | (pool -> prohibit_list -> type == | |
3600 | permit_dynamic_bootp_clients)) || | |
3601 | (dynamic && !pool -> prohibit_list && | |
f63b4929 TL |
3602 | pool -> permit_list && |
3603 | !pool -> permit_list -> next && | |
3604 | (pool -> permit_list -> type == | |
d9eefc5d | 3605 | permit_all_clients))) { |
436f1c8c | 3606 | break; |
f63b4929 TL |
3607 | } |
3608 | last = pool; | |
3609 | } | |
3610 | ||
3611 | /* If we didn't get a pool, make one. */ | |
3612 | if (!pool) { | |
436f1c8c | 3613 | struct permit *p; |
20916cae TL |
3614 | status = pool_allocate (&pool, MDL); |
3615 | if (status != ISC_R_SUCCESS) | |
3616 | log_fatal ("no memory for ad-hoc pool: %s", | |
3617 | isc_result_totext (status)); | |
436f1c8c TL |
3618 | p = new_permit (MDL); |
3619 | if (!p) | |
3620 | log_fatal ("no memory for ad-hoc permit."); | |
3621 | ||
3622 | /* Dynamic pools permit all clients. Otherwise | |
3623 | we prohibit BOOTP clients. */ | |
f63b4929 | 3624 | if (dynamic) { |
436f1c8c TL |
3625 | p -> type = permit_all_clients; |
3626 | pool -> permit_list = p; | |
3627 | } else { | |
3628 | p -> type = permit_dynamic_bootp_clients; | |
3629 | pool -> prohibit_list = p; | |
f63b4929 | 3630 | } |
436f1c8c | 3631 | |
f63b4929 | 3632 | if (share -> pools) |
20916cae | 3633 | pool_reference (&last -> next, pool, MDL); |
f63b4929 | 3634 | else |
20916cae TL |
3635 | pool_reference (&share -> pools, pool, MDL); |
3636 | shared_network_reference (&pool -> shared_network, | |
3637 | share, MDL); | |
3638 | if (!clone_group (&pool -> group, share -> group, MDL)) | |
3639 | log_fatal ("no memory for anon pool group."); | |
a79ed92b TL |
3640 | } else { |
3641 | pool = (struct pool *)0; | |
0a1dfb65 TL |
3642 | if (last) |
3643 | pool_reference (&pool, last, MDL); | |
3644 | else | |
3645 | pool_reference (&pool, share -> pools, MDL); | |
f63b4929 | 3646 | } |
a79ed92b TL |
3647 | } else { |
3648 | pool = (struct pool *)0; | |
20916cae | 3649 | pool_reference (&pool, inpool, MDL); |
a79ed92b | 3650 | } |
20916cae | 3651 | |
c5261618 TL |
3652 | #if defined (FAILOVER_PROTOCOL) |
3653 | if (pool -> failover_peer && dynamic) { | |
3654 | /* Doctor, do you think I'm overly sensitive | |
3655 | about getting bug reports I can't fix? */ | |
3656 | parse_warn (cfile, "dynamic-bootp flag is %s", | |
3657 | "not permitted for address"); | |
3658 | log_error ("range declarations where there is a failover"); | |
3659 | log_error ("peer in scope. If you wish to declare an"); | |
3660 | log_error ("address range from which dynamic bootp leases"); | |
3661 | log_error ("can be allocated, please declare it within a"); | |
3662 | log_error ("pool declaration that also contains the \"no"); | |
3663 | log_error ("failover\" statement. The failover protocol"); | |
3664 | log_error ("itself does not permit dynamic bootp - this"); | |
3665 | log_error ("is not a limitation specific to the ISC DHCP"); | |
3666 | log_error ("server. Please don't ask me to defend this"); | |
3667 | log_error ("until you have read and really tried %s", | |
3668 | "to understand"); | |
3669 | log_error ("the failover protocol specification."); | |
3670 | ||
3671 | /* We don't actually bomb at this point - instead, | |
3672 | we let parse_lease_file notice the error and | |
3673 | bomb at that point - it's easier. */ | |
f63b4929 | 3674 | } |
c5261618 | 3675 | #endif /* FAILOVER_PROTOCOL */ |
f63b4929 | 3676 | |
d7837182 | 3677 | /* Create the new address range... */ |
98311e4b | 3678 | new_address_range (cfile, low, high, subnet, pool, lpchain); |
20916cae | 3679 | pool_dereference (&pool, MDL); |
d7837182 TL |
3680 | } |
3681 | ||
fe5b0fdd | 3682 | #ifdef DHCPv6 |
98bd7ca0 | 3683 | static void |
7d6180be DH |
3684 | add_ipv6_pool_to_subnet(struct subnet *subnet, u_int16_t type, |
3685 | struct iaddr *lo_addr, int bits, int units) { | |
98bd7ca0 | 3686 | struct ipv6_pool *pool; |
7d6180be | 3687 | struct shared_network *share; |
98bd7ca0 DH |
3688 | struct in6_addr tmp_in6_addr; |
3689 | int num_pools; | |
3690 | struct ipv6_pool **tmp; | |
3691 | ||
7d6180be DH |
3692 | share = subnet->shared_network; |
3693 | ||
98bd7ca0 DH |
3694 | /* |
3695 | * Create our pool. | |
3696 | */ | |
3697 | if (lo_addr->len != sizeof(tmp_in6_addr)) { | |
3698 | log_fatal("Internal error: Attempt to add non-IPv6 address " | |
3699 | "to IPv6 shared network."); | |
3700 | } | |
3701 | memcpy(&tmp_in6_addr, lo_addr->iabuf, sizeof(tmp_in6_addr)); | |
3702 | pool = NULL; | |
9322442f FD |
3703 | if (ipv6_pool_allocate(&pool, type, &tmp_in6_addr, |
3704 | bits, units, MDL) != ISC_R_SUCCESS) { | |
98bd7ca0 DH |
3705 | log_fatal("Out of memory"); |
3706 | } | |
3707 | ||
3708 | /* | |
3709 | * Add to our global IPv6 pool set. | |
3710 | */ | |
3711 | if (add_ipv6_pool(pool) != ISC_R_SUCCESS) { | |
3712 | log_fatal ("Out of memory"); | |
3713 | } | |
3714 | ||
3715 | /* | |
7d6180be | 3716 | * Link the pool to its network. |
98bd7ca0 | 3717 | */ |
7d6180be DH |
3718 | pool->subnet = NULL; |
3719 | subnet_reference(&pool->subnet, subnet, MDL); | |
98bd7ca0 DH |
3720 | pool->shared_network = NULL; |
3721 | shared_network_reference(&pool->shared_network, share, MDL); | |
3722 | ||
3723 | /* | |
3724 | * Increase our array size for ipv6_pools in the shared_network. | |
3725 | */ | |
3726 | if (share->ipv6_pools == NULL) { | |
3727 | num_pools = 0; | |
3728 | } else { | |
3729 | num_pools = 0; | |
3730 | while (share->ipv6_pools[num_pools] != NULL) { | |
3731 | num_pools++; | |
3732 | } | |
3733 | } | |
3734 | tmp = dmalloc(sizeof(struct ipv6_pool *) * (num_pools + 2), MDL); | |
3735 | if (tmp == NULL) { | |
3736 | log_fatal("Out of memory"); | |
3737 | } | |
3738 | if (num_pools > 0) { | |
3739 | memcpy(tmp, share->ipv6_pools, | |
3740 | sizeof(struct ipv6_pool *) * num_pools); | |
3741 | } | |
3742 | if (share->ipv6_pools != NULL) { | |
3743 | dfree(share->ipv6_pools, MDL); | |
3744 | } | |
3745 | share->ipv6_pools = tmp; | |
3746 | ||
3747 | /* | |
3748 | * Record this pool in our array of pools for this shared network. | |
3749 | */ | |
3750 | ipv6_pool_reference(&share->ipv6_pools[num_pools], pool, MDL); | |
3751 | share->ipv6_pools[num_pools+1] = NULL; | |
3752 | } | |
3753 | ||
3754 | /* address-range6-declaration :== ip-address6 ip-address6 SEMI | |
80c9fdb0 FD |
3755 | | ip-address6 SLASH number SEMI |
3756 | | ip-address6 TEMPORARY SEMI */ | |
98bd7ca0 DH |
3757 | |
3758 | void | |
3759 | parse_address_range6(struct parse *cfile, struct group *group) { | |
3760 | struct iaddr lo, hi; | |
3761 | int bits; | |
3762 | enum dhcp_token token; | |
3763 | const char *val; | |
98bd7ca0 DH |
3764 | struct iaddrcidrnetlist *nets; |
3765 | struct iaddrcidrnetlist *p; | |
3766 | ||
771484ac EH |
3767 | if (local_family != AF_INET6) { |
3768 | parse_warn(cfile, "range6 statement is only supported " | |
3769 | "in DHCPv6 mode."); | |
3770 | skip_to_semi(cfile); | |
3771 | return; | |
3772 | } | |
3773 | ||
7d6180be DH |
3774 | /* This is enforced by the caller, this is just a sanity check. */ |
3775 | if (group->subnet == NULL) | |
3776 | log_fatal("Impossible condition at %s:%d.", MDL); | |
98bd7ca0 DH |
3777 | |
3778 | /* | |
3779 | * Read starting address. | |
3780 | */ | |
3781 | if (!parse_ip6_addr(cfile, &lo)) { | |
3782 | return; | |
3783 | } | |
3784 | ||
3785 | /* | |
80c9fdb0 | 3786 | * See if we we're using range or CIDR notation or TEMPORARY |
98bd7ca0 DH |
3787 | */ |
3788 | token = peek_token(&val, NULL, cfile); | |
3789 | if (token == SLASH) { | |
3790 | /* | |
3791 | * '/' means CIDR notation, so read the bits we want. | |
3792 | */ | |
3793 | next_token(NULL, NULL, cfile); | |
3794 | token = next_token(&val, NULL, cfile); | |
3795 | if (token != NUMBER) { | |
3796 | parse_warn(cfile, "expecting number"); | |
3797 | skip_to_semi(cfile); | |
3798 | return; | |
3799 | } | |
3800 | bits = atoi(val); | |
3801 | if ((bits < 0) || (bits > 128)) { | |
3802 | parse_warn(cfile, "networks have 0 to 128 bits"); | |
3803 | skip_to_semi(cfile); | |
3804 | return; | |
3805 | } | |
9b21e73e SK |
3806 | if (!is_cidr_mask_valid(&lo, bits)) { |
3807 | parse_warn(cfile, "network mask too short"); | |
3808 | skip_to_semi(cfile); | |
3809 | return; | |
3810 | } | |
98bd7ca0 | 3811 | |
7d6180be DH |
3812 | add_ipv6_pool_to_subnet(group->subnet, D6O_IA_NA, &lo, bits, |
3813 | 128); | |
98bd7ca0 | 3814 | |
80c9fdb0 FD |
3815 | } else if (token == TEMPORARY) { |
3816 | /* | |
3817 | * temporary (RFC 4941) | |
3818 | */ | |
3819 | next_token(NULL, NULL, cfile); | |
3820 | bits = 64; | |
3821 | if (!is_cidr_mask_valid(&lo, bits)) { | |
3822 | parse_warn(cfile, "network mask too short"); | |
3823 | skip_to_semi(cfile); | |
3824 | return; | |
3825 | } | |
80c9fdb0 | 3826 | |
7d6180be DH |
3827 | add_ipv6_pool_to_subnet(group->subnet, D6O_IA_TA, &lo, bits, |
3828 | 128); | |
98bd7ca0 DH |
3829 | } else { |
3830 | /* | |
3831 | * No '/', so we are looking for the end address of | |
3832 | * the IPv6 pool. | |
3833 | */ | |
3834 | if (!parse_ip6_addr(cfile, &hi)) { | |
3835 | return; | |
3836 | } | |
3837 | ||
3838 | /* | |
3839 | * Convert our range to a set of CIDR networks. | |
3840 | */ | |
3841 | nets = NULL; | |
3842 | if (range2cidr(&nets, &lo, &hi) != ISC_R_SUCCESS) { | |
3843 | log_fatal("Error converting range to CIDR networks"); | |
3844 | } | |
3845 | ||
3846 | for (p=nets; p != NULL; p=p->next) { | |
7d6180be DH |
3847 | add_ipv6_pool_to_subnet(group->subnet, D6O_IA_NA, |
3848 | &p->cidrnet.lo_addr, | |
3849 | p->cidrnet.bits, 128); | |
98bd7ca0 DH |
3850 | } |
3851 | ||
3852 | free_iaddrcidrnetlist(&nets); | |
98bd7ca0 DH |
3853 | } |
3854 | ||
3855 | token = next_token(NULL, NULL, cfile); | |
3856 | if (token != SEMI) { | |
3857 | parse_warn(cfile, "semicolon expected."); | |
3858 | skip_to_semi(cfile); | |
3859 | return; | |
3860 | } | |
3861 | } | |
80c9fdb0 | 3862 | |
80c9fdb0 FD |
3863 | /* prefix6-declaration :== ip-address6 ip-address6 SLASH number SEMI */ |
3864 | ||
3865 | void | |
3866 | parse_prefix6(struct parse *cfile, struct group *group) { | |
3867 | struct iaddr lo, hi; | |
3868 | int bits; | |
3869 | enum dhcp_token token; | |
3870 | const char *val; | |
3871 | struct iaddrcidrnetlist *nets; | |
3872 | struct iaddrcidrnetlist *p; | |
3873 | ||
bd72740e FD |
3874 | if (local_family != AF_INET6) { |
3875 | parse_warn(cfile, "prefix6 statement is only supported " | |
3876 | "in DHCPv6 mode."); | |
3877 | skip_to_semi(cfile); | |
3878 | return; | |
3879 | } | |
3880 | ||
7d6180be DH |
3881 | /* This is enforced by the caller, so it's just a sanity check. */ |
3882 | if (group->subnet == NULL) | |
3883 | log_fatal("Impossible condition at %s:%d.", MDL); | |
3884 | ||
80c9fdb0 FD |
3885 | /* |
3886 | * Read starting and ending address. | |
3887 | */ | |
3888 | if (!parse_ip6_addr(cfile, &lo)) { | |
3889 | return; | |
3890 | } | |
3891 | if (!parse_ip6_addr(cfile, &hi)) { | |
3892 | return; | |
3893 | } | |
3894 | ||
3895 | /* | |
3896 | * Next is '/' number ';'. | |
3897 | */ | |
3898 | token = next_token(NULL, NULL, cfile); | |
3899 | if (token != SLASH) { | |
3900 | parse_warn(cfile, "expecting '/'"); | |
3901 | if (token != SEMI) | |
3902 | skip_to_semi(cfile); | |
3903 | return; | |
3904 | } | |
3905 | token = next_token(&val, NULL, cfile); | |
3906 | if (token != NUMBER) { | |
3907 | parse_warn(cfile, "expecting number"); | |
3908 | if (token != SEMI) | |
3909 | skip_to_semi(cfile); | |
3910 | return; | |
3911 | } | |
3912 | bits = atoi(val); | |
3913 | if ((bits <= 0) || (bits >= 128)) { | |
3914 | parse_warn(cfile, "networks have 0 to 128 bits (exclusive)"); | |
3915 | return; | |
3916 | } | |
3917 | if (!is_cidr_mask_valid(&lo, bits) || | |
3918 | !is_cidr_mask_valid(&hi, bits)) { | |
3919 | parse_warn(cfile, "network mask too short"); | |
3920 | return; | |
3921 | } | |
3922 | token = next_token(NULL, NULL, cfile); | |
3923 | if (token != SEMI) { | |
3924 | parse_warn(cfile, "semicolon expected."); | |
3925 | skip_to_semi(cfile); | |
3926 | return; | |
3927 | } | |
3928 | ||
80c9fdb0 FD |
3929 | /* |
3930 | * Convert our range to a set of CIDR networks. | |
3931 | */ | |
3932 | nets = NULL; | |
3933 | if (range2cidr(&nets, &lo, &hi) != ISC_R_SUCCESS) { | |
3934 | log_fatal("Error converting prefix to CIDR"); | |
3935 | } | |
3936 | ||
3937 | for (p = nets; p != NULL; p = p->next) { | |
3938 | /* Normalize and check. */ | |
3939 | if (p->cidrnet.bits == 128) { | |
3940 | p->cidrnet.bits = bits; | |
3941 | } | |
3942 | if (p->cidrnet.bits > bits) { | |
3943 | parse_warn(cfile, "impossible mask length"); | |
3944 | continue; | |
3945 | } | |
7d6180be DH |
3946 | add_ipv6_pool_to_subnet(group->subnet, D6O_IA_PD, |
3947 | &p->cidrnet.lo_addr, | |
3948 | p->cidrnet.bits, bits); | |
80c9fdb0 FD |
3949 | } |
3950 | ||
3951 | free_iaddrcidrnetlist(&nets); | |
3952 | } | |
3953 | ||
3954 | /* fixed-prefix6 :== ip6-address SLASH number SEMI */ | |
3955 | ||
3956 | void | |
3957 | parse_fixed_prefix6(struct parse *cfile, struct host_decl *host_decl) { | |
3958 | struct iaddrcidrnetlist *ia, **h; | |
3959 | enum dhcp_token token; | |
3960 | const char *val; | |
3961 | ||
3962 | /* | |
3963 | * Get the head of the fixed-prefix list. | |
3964 | */ | |
3965 | h = &host_decl->fixed_prefix; | |
3966 | ||
3967 | /* | |
3968 | * Walk to the end. | |
3969 | */ | |
3970 | while (*h != NULL) { | |
3971 | h = &((*h)->next); | |
3972 | } | |
3973 | ||
3974 | /* | |
3975 | * Allocate a new iaddrcidrnetlist structure. | |
3976 | */ | |
3977 | ia = dmalloc(sizeof(*ia), MDL); | |
3978 | if (!ia) { | |
3979 | log_fatal("Out of memory"); | |
3980 | } | |
3981 | ||
3982 | /* | |
3983 | * Parse it. | |
3984 | */ | |
3985 | if (!parse_ip6_addr(cfile, &ia->cidrnet.lo_addr)) { | |
3986 | dfree(ia, MDL); | |
3987 | return; | |
3988 | } | |
3989 | token = next_token(NULL, NULL, cfile); | |
3990 | if (token != SLASH) { | |
3991 | dfree(ia, MDL); | |
3992 | parse_warn(cfile, "expecting '/'"); | |
3993 | if (token != SEMI) | |
3994 | skip_to_semi(cfile); | |
3995 | return; | |
3996 | } | |
3997 | token = next_token(&val, NULL, cfile); | |
3998 | if (token != NUMBER) { | |
3999 | dfree(ia, MDL); | |
4000 | parse_warn(cfile, "expecting number"); | |
4001 | if (token != SEMI) | |
4002 | skip_to_semi(cfile); | |
4003 | return; | |
4004 | } | |
4005 | token = next_token(NULL, NULL, cfile); | |
4006 | if (token != SEMI) { | |
4007 | dfree(ia, MDL); | |
4008 | parse_warn(cfile, "semicolon expected."); | |
4009 | skip_to_semi(cfile); | |
4010 | return; | |
4011 | } | |
4012 | ||
4013 | /* | |
4014 | * Fill it. | |
4015 | */ | |
4016 | ia->cidrnet.bits = atoi(val); | |
4017 | if ((ia->cidrnet.bits < 0) || (ia->cidrnet.bits > 128)) { | |
4018 | dfree(ia, MDL); | |
4019 | parse_warn(cfile, "networks have 0 to 128 bits"); | |
4020 | return; | |
4021 | } | |
4022 | if (!is_cidr_mask_valid(&ia->cidrnet.lo_addr, ia->cidrnet.bits)) { | |
4023 | dfree(ia, MDL); | |
4024 | parse_warn(cfile, "network mask too short"); | |
4025 | return; | |
4026 | } | |
4027 | ||
4028 | /* | |
4029 | * Store it. | |
4030 | */ | |
4031 | *h = ia; | |
4032 | return; | |
4033 | } | |
fe5b0fdd | 4034 | #endif /* DHCPv6 */ |
98bd7ca0 | 4035 | |
c358155d TL |
4036 | /* allow-deny-keyword :== BOOTP |
4037 | | BOOTING | |
4038 | | DYNAMIC_BOOTP | |
1db5e2c0 | 4039 | | UNKNOWN_CLIENTS */ |
c358155d TL |
4040 | |
4041 | int parse_allow_deny (oc, cfile, flag) | |
4042 | struct option_cache **oc; | |
4043 | struct parse *cfile; | |
4044 | int flag; | |
4045 | { | |
4046 | enum dhcp_token token; | |
4047 | const char *val; | |
4048 | unsigned char rf = flag; | |
f7fdb216 DH |
4049 | unsigned code; |
4050 | struct option *option = NULL; | |
c358155d TL |
4051 | struct expression *data = (struct expression *)0; |
4052 | int status; | |
4053 | ||
d758ad8c | 4054 | if (!make_const_data (&data, &rf, 1, 0, 1, MDL)) |
c358155d TL |
4055 | return 0; |
4056 | ||
b3519f23 | 4057 | token = next_token (&val, (unsigned *)0, cfile); |
c358155d | 4058 | switch (token) { |
007e3ee4 | 4059 | case TOKEN_BOOTP: |
f7fdb216 | 4060 | code = SV_ALLOW_BOOTP; |
c358155d TL |
4061 | break; |
4062 | ||
4063 | case BOOTING: | |
f7fdb216 | 4064 | code = SV_ALLOW_BOOTING; |
c358155d TL |
4065 | break; |
4066 | ||
4067 | case DYNAMIC_BOOTP: | |
f7fdb216 | 4068 | code = SV_DYNAMIC_BOOTP; |
c358155d TL |
4069 | break; |
4070 | ||
4071 | case UNKNOWN_CLIENTS: | |
f7fdb216 | 4072 | code = SV_BOOT_UNKNOWN_CLIENTS; |
c358155d TL |
4073 | break; |
4074 | ||
4075 | case DUPLICATES: | |
f7fdb216 | 4076 | code = SV_DUPLICATES; |
c358155d TL |
4077 | break; |
4078 | ||
4079 | case DECLINES: | |
f7fdb216 | 4080 | code= SV_DECLINES; |
c358155d TL |
4081 | break; |
4082 | ||
6fdcc1a0 | 4083 | case CLIENT_UPDATES: |
f7fdb216 | 4084 | code = SV_CLIENT_UPDATES; |
6fdcc1a0 TL |
4085 | break; |
4086 | ||
6d103865 SK |
4087 | case LEASEQUERY: |
4088 | code = SV_LEASEQUERY; | |
4089 | break; | |
4090 | ||
c358155d TL |
4091 | default: |
4092 | parse_warn (cfile, "expecting allow/deny key"); | |
4093 | skip_to_semi (cfile); | |
4094 | return 0; | |
4095 | } | |
f7fdb216 DH |
4096 | /* Reference on option is passed to option cache. */ |
4097 | if (!option_code_hash_lookup(&option, server_universe.code_hash, | |
4098 | &code, 0, MDL)) | |
4099 | log_fatal("Unable to find server option %u (%s:%d).", | |
4100 | code, MDL); | |
4101 | status = option_cache(oc, NULL, data, option, MDL); | |
d758ad8c | 4102 | expression_dereference (&data, MDL); |
c358155d TL |
4103 | parse_semi (cfile); |
4104 | return status; | |
4105 | } | |
4106 | ||
98bd7ca0 DH |
4107 | void |
4108 | parse_ia_na_declaration(struct parse *cfile) { | |
28868515 SK |
4109 | #if !defined(DHCPv6) |
4110 | parse_warn(cfile, "No DHCPv6 support."); | |
4111 | skip_to_semi(cfile); | |
4112 | #else /* defined(DHCPv6) */ | |
98bd7ca0 | 4113 | enum dhcp_token token; |
9322442f | 4114 | struct ia_xx *ia; |
98bd7ca0 | 4115 | const char *val; |
9322442f | 4116 | struct ia_xx *old_ia; |
28868515 | 4117 | unsigned int len; |
98bd7ca0 DH |
4118 | u_int32_t iaid; |
4119 | struct iaddr iaddr; | |
4120 | binding_state_t state; | |
1acab09f FD |
4121 | u_int32_t prefer; |
4122 | u_int32_t valid; | |
98bd7ca0 | 4123 | TIME end_time; |
1d17db44 | 4124 | struct iasubopt *iaaddr; |
98bd7ca0 DH |
4125 | struct ipv6_pool *pool; |
4126 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; | |
7285af30 DH |
4127 | isc_boolean_t newbinding; |
4128 | struct binding_scope *scope=NULL; | |
4129 | struct binding *bnd; | |
4130 | struct binding_value *nv=NULL; | |
98bd7ca0 | 4131 | |
771484ac EH |
4132 | if (local_family != AF_INET6) { |
4133 | parse_warn(cfile, "IA_NA is only supported in DHCPv6 mode."); | |
4134 | skip_to_semi(cfile); | |
4135 | return; | |
4136 | } | |
4137 | ||
98bd7ca0 DH |
4138 | token = next_token(&val, &len, cfile); |
4139 | if (token != STRING) { | |
4140 | parse_warn(cfile, "corrupt lease file; " | |
4141 | "expecting an iaid+ia_na string"); | |
4142 | skip_to_semi(cfile); | |
4143 | return; | |
4144 | } | |
4145 | if (len < 5) { | |
4146 | parse_warn(cfile, "corrupt lease file; " | |
4147 | "iaid+ia_na string too short"); | |
4148 | skip_to_semi(cfile); | |
4149 | return; | |
4150 | } | |
4151 | ||
4152 | memcpy(&iaid, val, 4); | |
1d9774ab | 4153 | ia = NULL; |
9322442f | 4154 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { |
98bd7ca0 DH |
4155 | log_fatal("Out of memory."); |
4156 | } | |
1d9774ab | 4157 | ia->ia_type = D6O_IA_NA; |
98bd7ca0 DH |
4158 | |
4159 | token = next_token(&val, NULL, cfile); | |
4160 | if (token != LBRACE) { | |
4161 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
4162 | skip_to_semi(cfile); | |
4163 | return; | |
4164 | } | |
4165 | ||
4166 | for (;;) { | |
4167 | token = next_token(&val, NULL, cfile); | |
4168 | if (token == RBRACE) break; | |
4169 | ||
1acab09f FD |
4170 | if (token == CLTT) { |
4171 | ia->cltt = parse_date (cfile); | |
4172 | continue; | |
4173 | } | |
4174 | ||
98bd7ca0 DH |
4175 | if (token != IAADDR) { |
4176 | parse_warn(cfile, "corrupt lease file; " | |
4177 | "expecting IAADDR or right brace"); | |
4178 | skip_to_semi(cfile); | |
4179 | return; | |
4180 | } | |
4181 | ||
4182 | if (!parse_ip6_addr(cfile, &iaddr)) { | |
4183 | parse_warn(cfile, "corrupt lease file; " | |
4184 | "expecting IPv6 address"); | |
4185 | skip_to_semi(cfile); | |
4186 | return; | |
4187 | } | |
4188 | ||
4189 | token = next_token(&val, NULL, cfile); | |
4190 | if (token != LBRACE) { | |
4191 | parse_warn(cfile, "corrupt lease file; " | |
4192 | "expecting left brace"); | |
4193 | skip_to_semi(cfile); | |
4194 | return; | |
4195 | } | |
4196 | ||
4197 | state = FTS_LAST+1; | |
1acab09f | 4198 | prefer = valid = 0; |
98bd7ca0 DH |
4199 | end_time = -1; |
4200 | for (;;) { | |
4201 | token = next_token(&val, NULL, cfile); | |
4202 | if (token == RBRACE) break; | |
4203 | ||
7285af30 DH |
4204 | switch(token) { |
4205 | /* Lease binding state. */ | |
4206 | case BINDING: | |
98bd7ca0 DH |
4207 | token = next_token(&val, NULL, cfile); |
4208 | if (token != STATE) { | |
4209 | parse_warn(cfile, "corrupt lease file; " | |
4210 | "expecting state"); | |
4211 | skip_to_semi(cfile); | |
4212 | return; | |
4213 | } | |
4214 | token = next_token(&val, NULL, cfile); | |
4215 | switch (token) { | |
4216 | case TOKEN_ABANDONED: | |
4217 | state = FTS_ABANDONED; | |
4218 | break; | |
4219 | case TOKEN_FREE: | |
4220 | state = FTS_FREE; | |
4221 | break; | |
4222 | case TOKEN_ACTIVE: | |
4223 | state = FTS_ACTIVE; | |
4224 | break; | |
4225 | case TOKEN_EXPIRED: | |
4226 | state = FTS_EXPIRED; | |
4227 | break; | |
4228 | case TOKEN_RELEASED: | |
4229 | state = FTS_RELEASED; | |
4230 | break; | |
4231 | default: | |
4232 | parse_warn(cfile, | |
4233 | "corrupt lease " | |
4234 | "file; " | |
4235 | "expecting a " | |
4236 | "binding state."); | |
4237 | skip_to_semi(cfile); | |
4238 | return; | |
4239 | } | |
4240 | ||
4241 | token = next_token(&val, NULL, cfile); | |
4242 | if (token != SEMI) { | |
4243 | parse_warn(cfile, "corrupt lease file; " | |
4244 | "expecting " | |
4245 | "semicolon."); | |
4246 | } | |
7285af30 | 4247 | break; |
98bd7ca0 | 4248 | |
1acab09f FD |
4249 | /* Lease preferred lifetime. */ |
4250 | case PREFERRED_LIFE: | |
4251 | token = next_token(&val, NULL, cfile); | |
4252 | if (token != NUMBER) { | |
4253 | parse_warn(cfile, "%s is not a valid " | |
4254 | "preferred time", | |
4255 | val); | |
4256 | skip_to_semi(cfile); | |
4257 | continue; | |
4258 | } | |
4259 | prefer = atoi (val); | |
4260 | break; | |
4261 | ||
4262 | /* Lease valid lifetime. */ | |
4263 | case MAX_LIFE: | |
4264 | token = next_token(&val, NULL, cfile); | |
4265 | if (token != NUMBER) { | |
4266 | parse_warn(cfile, "%s is not a valid " | |
4267 | "max time", | |
4268 | val); | |
4269 | skip_to_semi(cfile); | |
4270 | continue; | |
4271 | } | |
4272 | valid = atoi (val); | |
4273 | break; | |
4274 | ||
7285af30 DH |
4275 | /* Lease expiration time. */ |
4276 | case ENDS: | |
98bd7ca0 | 4277 | end_time = parse_date(cfile); |
7285af30 DH |
4278 | break; |
4279 | ||
4280 | /* Lease binding scopes. */ | |
4281 | case TOKEN_SET: | |
4282 | token = next_token(&val, NULL, cfile); | |
4283 | if ((token != NAME) && | |
4284 | (token != NUMBER_OR_NAME)) { | |
4285 | parse_warn(cfile, "%s is not a valid " | |
4286 | "variable name", | |
4287 | val); | |
4288 | skip_to_semi(cfile); | |
4289 | continue; | |
4290 | } | |
4291 | ||
4292 | if (scope != NULL) | |
4293 | bnd = find_binding(scope, val); | |
4294 | else { | |
4295 | if (!binding_scope_allocate(&scope, | |
4296 | MDL)) { | |
4297 | log_fatal("Out of memory for " | |
4298 | "lease binding " | |
4299 | "scope."); | |
4300 | } | |
4301 | ||
4302 | bnd = NULL; | |
4303 | } | |
4304 | ||
4305 | if (bnd == NULL) { | |
4306 | bnd = dmalloc(sizeof(*bnd), | |
4307 | MDL); | |
4308 | if (bnd == NULL) { | |
4309 | log_fatal("No memory for " | |
4310 | "lease binding."); | |
4311 | } | |
4312 | ||
4313 | bnd->name = dmalloc(strlen(val) + 1, | |
4314 | MDL); | |
4315 | if (bnd->name == NULL) { | |
4316 | log_fatal("No memory for " | |
4317 | "binding name."); | |
4318 | } | |
4319 | strcpy(bnd->name, val); | |
4320 | ||
4321 | newbinding = ISC_TRUE; | |
4322 | } else { | |
4323 | newbinding = ISC_FALSE; | |
4324 | } | |
4325 | ||
4326 | if (!binding_value_allocate(&nv, MDL)) { | |
4327 | log_fatal("no memory for binding " | |
4328 | "value."); | |
4329 | } | |
4330 | ||
4331 | token = next_token(NULL, NULL, cfile); | |
4332 | if (token != EQUAL) { | |
4333 | parse_warn(cfile, "expecting '=' in " | |
4334 | "set statement."); | |
4335 | goto binding_err; | |
4336 | } | |
4337 | ||
4338 | if (!parse_binding_value(cfile, nv)) { | |
4339 | binding_err: | |
4340 | binding_value_dereference(&nv, MDL); | |
4341 | binding_scope_dereference(&scope, MDL); | |
4342 | return; | |
4343 | } | |
4344 | ||
4345 | if (newbinding) { | |
4346 | binding_value_reference(&bnd->value, | |
4347 | nv, MDL); | |
4348 | bnd->next = scope->bindings; | |
4349 | scope->bindings = bnd; | |
4350 | } else { | |
4351 | binding_value_dereference(&bnd->value, | |
4352 | MDL); | |
4353 | binding_value_reference(&bnd->value, | |
4354 | nv, MDL); | |
4355 | } | |
4356 | ||
4357 | binding_value_dereference(&nv, MDL); | |
4358 | parse_semi(cfile); | |
4359 | break; | |
4360 | ||
4361 | default: | |
98bd7ca0 | 4362 | parse_warn(cfile, "corrupt lease file; " |
7285af30 | 4363 | "expecting ia_na contents, " |
98bd7ca0 DH |
4364 | "got '%s'", val); |
4365 | skip_to_semi(cfile); | |
7285af30 | 4366 | continue; |
98bd7ca0 DH |
4367 | } |
4368 | } | |
4369 | ||
4370 | if (state == FTS_LAST+1) { | |
4371 | parse_warn(cfile, "corrupt lease file; " | |
4372 | "missing state in iaaddr"); | |
4373 | return; | |
4374 | } | |
4375 | if (end_time == -1) { | |
4376 | parse_warn(cfile, "corrupt lease file; " | |
4377 | "missing end time in iaaddr"); | |
4378 | return; | |
4379 | } | |
4380 | ||
4381 | iaaddr = NULL; | |
1d17db44 | 4382 | if (iasubopt_allocate(&iaaddr, MDL) != ISC_R_SUCCESS) { |
98bd7ca0 DH |
4383 | log_fatal("Out of memory."); |
4384 | } | |
4385 | memcpy(&iaaddr->addr, iaddr.iabuf, sizeof(iaaddr->addr)); | |
9322442f | 4386 | iaaddr->plen = 0; |
98bd7ca0 | 4387 | iaaddr->state = state; |
1acab09f FD |
4388 | iaaddr->prefer = prefer; |
4389 | iaaddr->valid = valid; | |
5d89d60f FD |
4390 | if (iaaddr->state == FTS_RELEASED) |
4391 | iaaddr->hard_lifetime_end_time = end_time; | |
98bd7ca0 | 4392 | |
7285af30 DH |
4393 | if (scope != NULL) { |
4394 | binding_scope_reference(&iaaddr->scope, scope, MDL); | |
4395 | binding_scope_dereference(&scope, MDL); | |
4396 | } | |
4397 | ||
98bd7ca0 | 4398 | /* add to our various structures */ |
1d17db44 | 4399 | ia_add_iasubopt(ia, iaaddr, MDL); |
9322442f | 4400 | ia_reference(&iaaddr->ia, ia, MDL); |
98bd7ca0 | 4401 | pool = NULL; |
9322442f FD |
4402 | if (find_ipv6_pool(&pool, D6O_IA_NA, |
4403 | &iaaddr->addr) != ISC_R_SUCCESS) { | |
4404 | inet_ntop(AF_INET6, &iaaddr->addr, | |
98bd7ca0 DH |
4405 | addr_buf, sizeof(addr_buf)); |
4406 | parse_warn(cfile, "no pool found for address %s", | |
4407 | addr_buf); | |
4408 | return; | |
4409 | } | |
4410 | add_lease6(pool, iaaddr, end_time); | |
98bd7ca0 | 4411 | ipv6_pool_dereference(&pool, MDL); |
1d17db44 | 4412 | iasubopt_dereference(&iaaddr, MDL); |
98bd7ca0 DH |
4413 | } |
4414 | ||
d9b43370 SK |
4415 | /* |
4416 | * If we have an existing record for this IA_NA, remove it. | |
4417 | */ | |
1d9774ab | 4418 | old_ia = NULL; |
9322442f FD |
4419 | if (ia_hash_lookup(&old_ia, ia_na_active, |
4420 | (unsigned char *)ia->iaid_duid.data, | |
4421 | ia->iaid_duid.len, MDL)) { | |
4422 | ia_hash_delete(ia_na_active, | |
4423 | (unsigned char *)ia->iaid_duid.data, | |
4424 | ia->iaid_duid.len, MDL); | |
4425 | ia_dereference(&old_ia, MDL); | |
d9b43370 SK |
4426 | } |
4427 | ||
4428 | /* | |
4429 | * If we have addresses, add this, otherwise don't bother. | |
4430 | */ | |
1d17db44 | 4431 | if (ia->num_iasubopt > 0) { |
9322442f FD |
4432 | ia_hash_add(ia_na_active, |
4433 | (unsigned char *)ia->iaid_duid.data, | |
4434 | ia->iaid_duid.len, ia, MDL); | |
d9b43370 | 4435 | } |
9322442f | 4436 | ia_dereference(&ia, MDL); |
1d9774ab FD |
4437 | #endif /* defined(DHCPv6) */ |
4438 | } | |
4439 | ||
4440 | void | |
4441 | parse_ia_ta_declaration(struct parse *cfile) { | |
4442 | #if !defined(DHCPv6) | |
4443 | parse_warn(cfile, "No DHCPv6 support."); | |
4444 | skip_to_semi(cfile); | |
4445 | #else /* defined(DHCPv6) */ | |
4446 | enum dhcp_token token; | |
9322442f | 4447 | struct ia_xx *ia; |
1d9774ab | 4448 | const char *val; |
9322442f | 4449 | struct ia_xx *old_ia; |
1d9774ab FD |
4450 | unsigned int len; |
4451 | u_int32_t iaid; | |
4452 | struct iaddr iaddr; | |
4453 | binding_state_t state; | |
1acab09f FD |
4454 | u_int32_t prefer; |
4455 | u_int32_t valid; | |
1d9774ab | 4456 | TIME end_time; |
1d17db44 | 4457 | struct iasubopt *iaaddr; |
1d9774ab FD |
4458 | struct ipv6_pool *pool; |
4459 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; | |
4460 | isc_boolean_t newbinding; | |
4461 | struct binding_scope *scope=NULL; | |
4462 | struct binding *bnd; | |
4463 | struct binding_value *nv=NULL; | |
4464 | ||
771484ac EH |
4465 | if (local_family != AF_INET6) { |
4466 | parse_warn(cfile, "IA_TA is only supported in DHCPv6 mode."); | |
4467 | skip_to_semi(cfile); | |
4468 | return; | |
4469 | } | |
4470 | ||
1d9774ab FD |
4471 | token = next_token(&val, &len, cfile); |
4472 | if (token != STRING) { | |
4473 | parse_warn(cfile, "corrupt lease file; " | |
4474 | "expecting an iaid+ia_ta string"); | |
4475 | skip_to_semi(cfile); | |
4476 | return; | |
4477 | } | |
4478 | if (len < 5) { | |
4479 | parse_warn(cfile, "corrupt lease file; " | |
4480 | "iaid+ia_ta string too short"); | |
4481 | skip_to_semi(cfile); | |
4482 | return; | |
4483 | } | |
4484 | ||
4485 | memcpy(&iaid, val, 4); | |
4486 | ia = NULL; | |
9322442f | 4487 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
4488 | log_fatal("Out of memory."); |
4489 | } | |
4490 | ia->ia_type = D6O_IA_TA; | |
4491 | ||
4492 | token = next_token(&val, NULL, cfile); | |
4493 | if (token != LBRACE) { | |
4494 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
4495 | skip_to_semi(cfile); | |
4496 | return; | |
4497 | } | |
4498 | ||
4499 | for (;;) { | |
4500 | token = next_token(&val, NULL, cfile); | |
4501 | if (token == RBRACE) break; | |
4502 | ||
1acab09f FD |
4503 | if (token == CLTT) { |
4504 | ia->cltt = parse_date (cfile); | |
4505 | continue; | |
4506 | } | |
4507 | ||
1d9774ab FD |
4508 | if (token != IAADDR) { |
4509 | parse_warn(cfile, "corrupt lease file; " | |
4510 | "expecting IAADDR or right brace"); | |
4511 | skip_to_semi(cfile); | |
4512 | return; | |
4513 | } | |
4514 | ||
4515 | if (!parse_ip6_addr(cfile, &iaddr)) { | |
4516 | parse_warn(cfile, "corrupt lease file; " | |
4517 | "expecting IPv6 address"); | |
4518 | skip_to_semi(cfile); | |
4519 | return; | |
4520 | } | |
4521 | ||
4522 | token = next_token(&val, NULL, cfile); | |
4523 | if (token != LBRACE) { | |
4524 | parse_warn(cfile, "corrupt lease file; " | |
4525 | "expecting left brace"); | |
4526 | skip_to_semi(cfile); | |
4527 | return; | |
4528 | } | |
4529 | ||
4530 | state = FTS_LAST+1; | |
1acab09f | 4531 | prefer = valid = 0; |
1d9774ab FD |
4532 | end_time = -1; |
4533 | for (;;) { | |
4534 | token = next_token(&val, NULL, cfile); | |
4535 | if (token == RBRACE) break; | |
4536 | ||
4537 | switch(token) { | |
4538 | /* Lease binding state. */ | |
4539 | case BINDING: | |
4540 | token = next_token(&val, NULL, cfile); | |
4541 | if (token != STATE) { | |
4542 | parse_warn(cfile, "corrupt lease file; " | |
4543 | "expecting state"); | |
4544 | skip_to_semi(cfile); | |
4545 | return; | |
4546 | } | |
4547 | token = next_token(&val, NULL, cfile); | |
4548 | switch (token) { | |
4549 | case TOKEN_ABANDONED: | |
4550 | state = FTS_ABANDONED; | |
4551 | break; | |
4552 | case TOKEN_FREE: | |
4553 | state = FTS_FREE; | |
4554 | break; | |
4555 | case TOKEN_ACTIVE: | |
4556 | state = FTS_ACTIVE; | |
4557 | break; | |
4558 | case TOKEN_EXPIRED: | |
4559 | state = FTS_EXPIRED; | |
4560 | break; | |
4561 | case TOKEN_RELEASED: | |
4562 | state = FTS_RELEASED; | |
4563 | break; | |
4564 | default: | |
4565 | parse_warn(cfile, | |
4566 | "corrupt lease " | |
4567 | "file; " | |
4568 | "expecting a " | |
4569 | "binding state."); | |
4570 | skip_to_semi(cfile); | |
4571 | return; | |
4572 | } | |
4573 | ||
4574 | token = next_token(&val, NULL, cfile); | |
4575 | if (token != SEMI) { | |
4576 | parse_warn(cfile, "corrupt lease file; " | |
4577 | "expecting " | |
4578 | "semicolon."); | |
4579 | } | |
4580 | break; | |
4581 | ||
1acab09f FD |
4582 | /* Lease preferred lifetime. */ |
4583 | case PREFERRED_LIFE: | |
4584 | token = next_token(&val, NULL, cfile); | |
4585 | if (token != NUMBER) { | |
4586 | parse_warn(cfile, "%s is not a valid " | |
4587 | "preferred time", | |
4588 | val); | |
4589 | skip_to_semi(cfile); | |
4590 | continue; | |
4591 | } | |
4592 | prefer = atoi (val); | |
4593 | break; | |
4594 | ||
4595 | /* Lease valid lifetime. */ | |
4596 | case MAX_LIFE: | |
4597 | token = next_token(&val, NULL, cfile); | |
4598 | if (token != NUMBER) { | |
4599 | parse_warn(cfile, "%s is not a valid " | |
4600 | "max time", | |
4601 | val); | |
4602 | skip_to_semi(cfile); | |
4603 | continue; | |
4604 | } | |
4605 | valid = atoi (val); | |
4606 | break; | |
4607 | ||
1d9774ab FD |
4608 | /* Lease expiration time. */ |
4609 | case ENDS: | |
4610 | end_time = parse_date(cfile); | |
4611 | break; | |
4612 | ||
4613 | /* Lease binding scopes. */ | |
4614 | case TOKEN_SET: | |
4615 | token = next_token(&val, NULL, cfile); | |
4616 | if ((token != NAME) && | |
4617 | (token != NUMBER_OR_NAME)) { | |
4618 | parse_warn(cfile, "%s is not a valid " | |
4619 | "variable name", | |
4620 | val); | |
4621 | skip_to_semi(cfile); | |
4622 | continue; | |
4623 | } | |
4624 | ||
4625 | if (scope != NULL) | |
4626 | bnd = find_binding(scope, val); | |
4627 | else { | |
4628 | if (!binding_scope_allocate(&scope, | |
4629 | MDL)) { | |
4630 | log_fatal("Out of memory for " | |
4631 | "lease binding " | |
4632 | "scope."); | |
4633 | } | |
4634 | ||
4635 | bnd = NULL; | |
4636 | } | |
4637 | ||
4638 | if (bnd == NULL) { | |
4639 | bnd = dmalloc(sizeof(*bnd), | |
4640 | MDL); | |
4641 | if (bnd == NULL) { | |
4642 | log_fatal("No memory for " | |
4643 | "lease binding."); | |
4644 | } | |
4645 | ||
4646 | bnd->name = dmalloc(strlen(val) + 1, | |
4647 | MDL); | |
4648 | if (bnd->name == NULL) { | |
4649 | log_fatal("No memory for " | |
4650 | "binding name."); | |
4651 | } | |
4652 | strcpy(bnd->name, val); | |
4653 | ||
4654 | newbinding = ISC_TRUE; | |
4655 | } else { | |
4656 | newbinding = ISC_FALSE; | |
4657 | } | |
4658 | ||
4659 | if (!binding_value_allocate(&nv, MDL)) { | |
4660 | log_fatal("no memory for binding " | |
4661 | "value."); | |
4662 | } | |
4663 | ||
4664 | token = next_token(NULL, NULL, cfile); | |
4665 | if (token != EQUAL) { | |
4666 | parse_warn(cfile, "expecting '=' in " | |
4667 | "set statement."); | |
4668 | goto binding_err; | |
4669 | } | |
4670 | ||
4671 | if (!parse_binding_value(cfile, nv)) { | |
4672 | binding_err: | |
4673 | binding_value_dereference(&nv, MDL); | |
4674 | binding_scope_dereference(&scope, MDL); | |
4675 | return; | |
4676 | } | |
4677 | ||
4678 | if (newbinding) { | |
4679 | binding_value_reference(&bnd->value, | |
4680 | nv, MDL); | |
4681 | bnd->next = scope->bindings; | |
4682 | scope->bindings = bnd; | |
4683 | } else { | |
4684 | binding_value_dereference(&bnd->value, | |
4685 | MDL); | |
4686 | binding_value_reference(&bnd->value, | |
4687 | nv, MDL); | |
4688 | } | |
4689 | ||
4690 | binding_value_dereference(&nv, MDL); | |
4691 | parse_semi(cfile); | |
4692 | break; | |
4693 | ||
4694 | default: | |
4695 | parse_warn(cfile, "corrupt lease file; " | |
4696 | "expecting ia_ta contents, " | |
4697 | "got '%s'", val); | |
4698 | skip_to_semi(cfile); | |
4699 | continue; | |
4700 | } | |
4701 | } | |
4702 | ||
4703 | if (state == FTS_LAST+1) { | |
4704 | parse_warn(cfile, "corrupt lease file; " | |
4705 | "missing state in iaaddr"); | |
4706 | return; | |
4707 | } | |
4708 | if (end_time == -1) { | |
4709 | parse_warn(cfile, "corrupt lease file; " | |
4710 | "missing end time in iaaddr"); | |
4711 | return; | |
4712 | } | |
4713 | ||
4714 | iaaddr = NULL; | |
1d17db44 | 4715 | if (iasubopt_allocate(&iaaddr, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
4716 | log_fatal("Out of memory."); |
4717 | } | |
4718 | memcpy(&iaaddr->addr, iaddr.iabuf, sizeof(iaaddr->addr)); | |
9322442f | 4719 | iaaddr->plen = 0; |
1d9774ab | 4720 | iaaddr->state = state; |
1acab09f FD |
4721 | iaaddr->prefer = prefer; |
4722 | iaaddr->valid = valid; | |
5d89d60f FD |
4723 | if (iaaddr->state == FTS_RELEASED) |
4724 | iaaddr->hard_lifetime_end_time = end_time; | |
1d9774ab FD |
4725 | |
4726 | if (scope != NULL) { | |
4727 | binding_scope_reference(&iaaddr->scope, scope, MDL); | |
4728 | binding_scope_dereference(&scope, MDL); | |
4729 | } | |
4730 | ||
4731 | /* add to our various structures */ | |
1d17db44 | 4732 | ia_add_iasubopt(ia, iaaddr, MDL); |
9322442f | 4733 | ia_reference(&iaaddr->ia, ia, MDL); |
1d9774ab | 4734 | pool = NULL; |
9322442f FD |
4735 | if (find_ipv6_pool(&pool, D6O_IA_TA, |
4736 | &iaaddr->addr) != ISC_R_SUCCESS) { | |
4737 | inet_ntop(AF_INET6, &iaaddr->addr, | |
1d9774ab FD |
4738 | addr_buf, sizeof(addr_buf)); |
4739 | parse_warn(cfile, "no pool found for address %s", | |
4740 | addr_buf); | |
4741 | return; | |
4742 | } | |
4743 | add_lease6(pool, iaaddr, end_time); | |
4744 | ipv6_pool_dereference(&pool, MDL); | |
1d17db44 | 4745 | iasubopt_dereference(&iaaddr, MDL); |
1d9774ab FD |
4746 | } |
4747 | ||
4748 | /* | |
4749 | * If we have an existing record for this IA_TA, remove it. | |
4750 | */ | |
4751 | old_ia = NULL; | |
9322442f FD |
4752 | if (ia_hash_lookup(&old_ia, ia_ta_active, |
4753 | (unsigned char *)ia->iaid_duid.data, | |
4754 | ia->iaid_duid.len, MDL)) { | |
4755 | ia_hash_delete(ia_ta_active, | |
4756 | (unsigned char *)ia->iaid_duid.data, | |
4757 | ia->iaid_duid.len, MDL); | |
4758 | ia_dereference(&old_ia, MDL); | |
1d9774ab FD |
4759 | } |
4760 | ||
4761 | /* | |
4762 | * If we have addresses, add this, otherwise don't bother. | |
4763 | */ | |
1d17db44 | 4764 | if (ia->num_iasubopt > 0) { |
9322442f FD |
4765 | ia_hash_add(ia_ta_active, |
4766 | (unsigned char *)ia->iaid_duid.data, | |
4767 | ia->iaid_duid.len, ia, MDL); | |
1d9774ab | 4768 | } |
9322442f | 4769 | ia_dereference(&ia, MDL); |
1d9774ab FD |
4770 | #endif /* defined(DHCPv6) */ |
4771 | } | |
4772 | ||
4773 | void | |
4774 | parse_ia_pd_declaration(struct parse *cfile) { | |
4775 | #if !defined(DHCPv6) | |
4776 | parse_warn(cfile, "No DHCPv6 support."); | |
4777 | skip_to_semi(cfile); | |
4778 | #else /* defined(DHCPv6) */ | |
4779 | enum dhcp_token token; | |
9322442f | 4780 | struct ia_xx *ia; |
1d9774ab | 4781 | const char *val; |
9322442f | 4782 | struct ia_xx *old_ia; |
1d9774ab FD |
4783 | unsigned int len; |
4784 | u_int32_t iaid; | |
4785 | struct iaddr iaddr; | |
4786 | u_int8_t plen; | |
4787 | binding_state_t state; | |
1acab09f FD |
4788 | u_int32_t prefer; |
4789 | u_int32_t valid; | |
1d9774ab | 4790 | TIME end_time; |
1d17db44 | 4791 | struct iasubopt *iapref; |
9322442f | 4792 | struct ipv6_pool *pool; |
1d9774ab FD |
4793 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; |
4794 | isc_boolean_t newbinding; | |
4795 | struct binding_scope *scope=NULL; | |
4796 | struct binding *bnd; | |
4797 | struct binding_value *nv=NULL; | |
4798 | ||
771484ac EH |
4799 | if (local_family != AF_INET6) { |
4800 | parse_warn(cfile, "IA_PD is only supported in DHCPv6 mode."); | |
4801 | skip_to_semi(cfile); | |
4802 | return; | |
4803 | } | |
4804 | ||
1d9774ab FD |
4805 | token = next_token(&val, &len, cfile); |
4806 | if (token != STRING) { | |
4807 | parse_warn(cfile, "corrupt lease file; " | |
4808 | "expecting an iaid+ia_pd string"); | |
4809 | skip_to_semi(cfile); | |
4810 | return; | |
4811 | } | |
4812 | if (len < 5) { | |
4813 | parse_warn(cfile, "corrupt lease file; " | |
4814 | "iaid+ia_pd string too short"); | |
4815 | skip_to_semi(cfile); | |
4816 | return; | |
4817 | } | |
4818 | ||
4819 | memcpy(&iaid, val, 4); | |
9322442f FD |
4820 | ia = NULL; |
4821 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { | |
1d9774ab FD |
4822 | log_fatal("Out of memory."); |
4823 | } | |
9322442f | 4824 | ia->ia_type = D6O_IA_PD; |
1d9774ab FD |
4825 | |
4826 | token = next_token(&val, NULL, cfile); | |
4827 | if (token != LBRACE) { | |
4828 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
4829 | skip_to_semi(cfile); | |
4830 | return; | |
4831 | } | |
4832 | ||
4833 | for (;;) { | |
4834 | token = next_token(&val, NULL, cfile); | |
4835 | if (token == RBRACE) break; | |
4836 | ||
1acab09f FD |
4837 | if (token == CLTT) { |
4838 | ia->cltt = parse_date (cfile); | |
4839 | continue; | |
4840 | } | |
4841 | ||
1d9774ab FD |
4842 | if (token != IAPREFIX) { |
4843 | parse_warn(cfile, "corrupt lease file; expecting " | |
4844 | "IAPREFIX or right brace"); | |
4845 | skip_to_semi(cfile); | |
4846 | return; | |
4847 | } | |
4848 | ||
4849 | if (!parse_ip6_prefix(cfile, &iaddr, &plen)) { | |
4850 | parse_warn(cfile, "corrupt lease file; " | |
4851 | "expecting IPv6 prefix"); | |
4852 | skip_to_semi(cfile); | |
4853 | return; | |
4854 | } | |
4855 | ||
4856 | token = next_token(&val, NULL, cfile); | |
4857 | if (token != LBRACE) { | |
4858 | parse_warn(cfile, "corrupt lease file; " | |
4859 | "expecting left brace"); | |
4860 | skip_to_semi(cfile); | |
4861 | return; | |
4862 | } | |
4863 | ||
4864 | state = FTS_LAST+1; | |
1acab09f | 4865 | prefer = valid = 0; |
1d9774ab FD |
4866 | end_time = -1; |
4867 | for (;;) { | |
4868 | token = next_token(&val, NULL, cfile); | |
4869 | if (token == RBRACE) break; | |
4870 | ||
4871 | switch(token) { | |
4872 | /* Prefix binding state. */ | |
4873 | case BINDING: | |
4874 | token = next_token(&val, NULL, cfile); | |
4875 | if (token != STATE) { | |
4876 | parse_warn(cfile, "corrupt lease file; " | |
4877 | "expecting state"); | |
4878 | skip_to_semi(cfile); | |
4879 | return; | |
4880 | } | |
4881 | token = next_token(&val, NULL, cfile); | |
4882 | switch (token) { | |
4883 | case TOKEN_ABANDONED: | |
4884 | state = FTS_ABANDONED; | |
4885 | break; | |
4886 | case TOKEN_FREE: | |
4887 | state = FTS_FREE; | |
4888 | break; | |
4889 | case TOKEN_ACTIVE: | |
4890 | state = FTS_ACTIVE; | |
4891 | break; | |
4892 | case TOKEN_EXPIRED: | |
4893 | state = FTS_EXPIRED; | |
4894 | break; | |
4895 | case TOKEN_RELEASED: | |
4896 | state = FTS_RELEASED; | |
4897 | break; | |
4898 | default: | |
4899 | parse_warn(cfile, | |
4900 | "corrupt lease " | |
4901 | "file; " | |
4902 | "expecting a " | |
4903 | "binding state."); | |
4904 | skip_to_semi(cfile); | |
4905 | return; | |
4906 | } | |
4907 | ||
4908 | token = next_token(&val, NULL, cfile); | |
4909 | if (token != SEMI) { | |
4910 | parse_warn(cfile, "corrupt lease file; " | |
4911 | "expecting " | |
4912 | "semicolon."); | |
4913 | } | |
4914 | break; | |
4915 | ||
1acab09f FD |
4916 | /* Lease preferred lifetime. */ |
4917 | case PREFERRED_LIFE: | |
4918 | token = next_token(&val, NULL, cfile); | |
4919 | if (token != NUMBER) { | |
4920 | parse_warn(cfile, "%s is not a valid " | |
4921 | "preferred time", | |
4922 | val); | |
4923 | skip_to_semi(cfile); | |
4924 | continue; | |
4925 | } | |
4926 | prefer = atoi (val); | |
4927 | break; | |
4928 | ||
4929 | /* Lease valid lifetime. */ | |
4930 | case MAX_LIFE: | |
4931 | token = next_token(&val, NULL, cfile); | |
4932 | if (token != NUMBER) { | |
4933 | parse_warn(cfile, "%s is not a valid " | |
4934 | "max time", | |
4935 | val); | |
4936 | skip_to_semi(cfile); | |
4937 | continue; | |
4938 | } | |
4939 | valid = atoi (val); | |
4940 | break; | |
4941 | ||
1d9774ab FD |
4942 | /* Prefix expiration time. */ |
4943 | case ENDS: | |
4944 | end_time = parse_date(cfile); | |
4945 | break; | |
4946 | ||
4947 | /* Prefix binding scopes. */ | |
4948 | case TOKEN_SET: | |
4949 | token = next_token(&val, NULL, cfile); | |
4950 | if ((token != NAME) && | |
4951 | (token != NUMBER_OR_NAME)) { | |
4952 | parse_warn(cfile, "%s is not a valid " | |
4953 | "variable name", | |
4954 | val); | |
4955 | skip_to_semi(cfile); | |
4956 | continue; | |
4957 | } | |
4958 | ||
4959 | if (scope != NULL) | |
4960 | bnd = find_binding(scope, val); | |
4961 | else { | |
4962 | if (!binding_scope_allocate(&scope, | |
4963 | MDL)) { | |
4964 | log_fatal("Out of memory for " | |
4965 | "lease binding " | |
4966 | "scope."); | |
4967 | } | |
4968 | ||
4969 | bnd = NULL; | |
4970 | } | |
4971 | ||
4972 | if (bnd == NULL) { | |
4973 | bnd = dmalloc(sizeof(*bnd), | |
4974 | MDL); | |
4975 | if (bnd == NULL) { | |
4976 | log_fatal("No memory for " | |
4977 | "prefix binding."); | |
4978 | } | |
4979 | ||
4980 | bnd->name = dmalloc(strlen(val) + 1, | |
4981 | MDL); | |
4982 | if (bnd->name == NULL) { | |
4983 | log_fatal("No memory for " | |
4984 | "binding name."); | |
4985 | } | |
4986 | strcpy(bnd->name, val); | |
4987 | ||
4988 | newbinding = ISC_TRUE; | |
4989 | } else { | |
4990 | newbinding = ISC_FALSE; | |
4991 | } | |
4992 | ||
4993 | if (!binding_value_allocate(&nv, MDL)) { | |
4994 | log_fatal("no memory for binding " | |
4995 | "value."); | |
4996 | } | |
4997 | ||
4998 | token = next_token(NULL, NULL, cfile); | |
4999 | if (token != EQUAL) { | |
5000 | parse_warn(cfile, "expecting '=' in " | |
5001 | "set statement."); | |
5002 | goto binding_err; | |
5003 | } | |
5004 | ||
5005 | if (!parse_binding_value(cfile, nv)) { | |
5006 | binding_err: | |
5007 | binding_value_dereference(&nv, MDL); | |
5008 | binding_scope_dereference(&scope, MDL); | |
5009 | return; | |
5010 | } | |
5011 | ||
5012 | if (newbinding) { | |
5013 | binding_value_reference(&bnd->value, | |
5014 | nv, MDL); | |
5015 | bnd->next = scope->bindings; | |
5016 | scope->bindings = bnd; | |
5017 | } else { | |
5018 | binding_value_dereference(&bnd->value, | |
5019 | MDL); | |
5020 | binding_value_reference(&bnd->value, | |
5021 | nv, MDL); | |
5022 | } | |
5023 | ||
5024 | binding_value_dereference(&nv, MDL); | |
5025 | parse_semi(cfile); | |
5026 | break; | |
5027 | ||
5028 | default: | |
5029 | parse_warn(cfile, "corrupt lease file; " | |
5030 | "expecting ia_pd contents, " | |
5031 | "got '%s'", val); | |
5032 | skip_to_semi(cfile); | |
5033 | continue; | |
5034 | } | |
5035 | } | |
5036 | ||
5037 | if (state == FTS_LAST+1) { | |
5038 | parse_warn(cfile, "corrupt lease file; " | |
5039 | "missing state in iaprefix"); | |
5040 | return; | |
5041 | } | |
5042 | if (end_time == -1) { | |
5043 | parse_warn(cfile, "corrupt lease file; " | |
5044 | "missing end time in iaprefix"); | |
5045 | return; | |
5046 | } | |
5047 | ||
5048 | iapref = NULL; | |
1d17db44 | 5049 | if (iasubopt_allocate(&iapref, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
5050 | log_fatal("Out of memory."); |
5051 | } | |
9322442f | 5052 | memcpy(&iapref->addr, iaddr.iabuf, sizeof(iapref->addr)); |
1d9774ab FD |
5053 | iapref->plen = plen; |
5054 | iapref->state = state; | |
1acab09f FD |
5055 | iapref->prefer = prefer; |
5056 | iapref->valid = valid; | |
5d89d60f FD |
5057 | if (iapref->state == FTS_RELEASED) |
5058 | iapref->hard_lifetime_end_time = end_time; | |
1d9774ab FD |
5059 | |
5060 | if (scope != NULL) { | |
5061 | binding_scope_reference(&iapref->scope, scope, MDL); | |
5062 | binding_scope_dereference(&scope, MDL); | |
5063 | } | |
5064 | ||
5065 | /* add to our various structures */ | |
1d17db44 | 5066 | ia_add_iasubopt(ia, iapref, MDL); |
9322442f FD |
5067 | ia_reference(&iapref->ia, ia, MDL); |
5068 | pool = NULL; | |
5069 | if (find_ipv6_pool(&pool, D6O_IA_PD, | |
5070 | &iapref->addr) != ISC_R_SUCCESS) { | |
5071 | inet_ntop(AF_INET6, &iapref->addr, | |
1d9774ab | 5072 | addr_buf, sizeof(addr_buf)); |
9322442f | 5073 | parse_warn(cfile, "no pool found for address %s", |
1d9774ab FD |
5074 | addr_buf); |
5075 | return; | |
5076 | } | |
9322442f FD |
5077 | add_lease6(pool, iapref, end_time); |
5078 | ipv6_pool_dereference(&pool, MDL); | |
1d17db44 | 5079 | iasubopt_dereference(&iapref, MDL); |
1d9774ab FD |
5080 | } |
5081 | ||
5082 | /* | |
5083 | * If we have an existing record for this IA_PD, remove it. | |
5084 | */ | |
9322442f FD |
5085 | old_ia = NULL; |
5086 | if (ia_hash_lookup(&old_ia, ia_pd_active, | |
5087 | (unsigned char *)ia->iaid_duid.data, | |
5088 | ia->iaid_duid.len, MDL)) { | |
5089 | ia_hash_delete(ia_pd_active, | |
5090 | (unsigned char *)ia->iaid_duid.data, | |
5091 | ia->iaid_duid.len, MDL); | |
5092 | ia_dereference(&old_ia, MDL); | |
1d9774ab FD |
5093 | } |
5094 | ||
5095 | /* | |
5096 | * If we have prefixes, add this, otherwise don't bother. | |
5097 | */ | |
1d17db44 | 5098 | if (ia->num_iasubopt > 0) { |
9322442f FD |
5099 | ia_hash_add(ia_pd_active, |
5100 | (unsigned char *)ia->iaid_duid.data, | |
5101 | ia->iaid_duid.len, ia, MDL); | |
1d9774ab | 5102 | } |
9322442f | 5103 | ia_dereference(&ia, MDL); |
fe5b0fdd | 5104 | #endif /* defined(DHCPv6) */ |
98bd7ca0 DH |
5105 | } |
5106 | ||
fe5b0fdd | 5107 | #ifdef DHCPv6 |
98bd7ca0 DH |
5108 | /* |
5109 | * When we parse a server-duid statement in a lease file, we are | |
5110 | * looking at the saved server DUID from a previous run. In this case | |
5111 | * we expect it to be followed by the binary representation of the | |
5112 | * DUID stored in a string: | |
5113 | * | |
5114 | * server-duid "\000\001\000\001\015\221\034JRT\000\0224Y"; | |
5115 | */ | |
5116 | void | |
5117 | parse_server_duid(struct parse *cfile) { | |
5118 | enum dhcp_token token; | |
5119 | const char *val; | |
28868515 | 5120 | unsigned int len; |
98bd7ca0 DH |
5121 | struct data_string duid; |
5122 | ||
5123 | token = next_token(&val, &len, cfile); | |
5124 | if (token != STRING) { | |
5125 | parse_warn(cfile, "corrupt lease file; expecting a DUID"); | |
5126 | skip_to_semi(cfile); | |
5127 | return; | |
5128 | } | |
5129 | ||
5130 | memset(&duid, 0, sizeof(duid)); | |
5131 | duid.len = len; | |
5132 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5133 | log_fatal("Out of memory storing DUID"); | |
5134 | } | |
28868515 | 5135 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5136 | memcpy(duid.buffer->data, val, len); |
5137 | ||
5138 | set_server_duid(&duid); | |
5139 | ||
5140 | data_string_forget(&duid, MDL); | |
5141 | ||
5142 | token = next_token(&val, &len, cfile); | |
5143 | if (token != SEMI) { | |
5144 | parse_warn(cfile, "corrupt lease file; expecting a semicolon"); | |
5145 | skip_to_semi(cfile); | |
5146 | return; | |
5147 | } | |
5148 | } | |
5149 | ||
5150 | /* | |
5151 | * When we parse a server-duid statement in a config file, we will | |
5152 | * have the type of the server DUID to generate, and possibly the | |
5153 | * actual value defined. | |
5154 | * | |
5155 | * server-duid llt; | |
5156 | * server-duid llt ethernet|ieee802|fddi 213982198 00:16:6F:49:7D:9B; | |
5157 | * server-duid ll; | |
5158 | * server-duid ll ethernet|ieee802|fddi 00:16:6F:49:7D:9B; | |
20ae1aff | 5159 | * server-duid en 2495 "enterprise-specific-identifier-1234"; |
98bd7ca0 DH |
5160 | */ |
5161 | void | |
5162 | parse_server_duid_conf(struct parse *cfile) { | |
5163 | enum dhcp_token token; | |
5164 | const char *val; | |
28868515 | 5165 | unsigned int len; |
98bd7ca0 DH |
5166 | u_int32_t enterprise_number; |
5167 | int ll_type; | |
5168 | struct data_string ll_addr; | |
5169 | u_int32_t llt_time; | |
5170 | struct data_string duid; | |
5171 | int duid_type_num; | |
5172 | ||
5173 | /* | |
5174 | * Consume the SERVER_DUID token. | |
5175 | */ | |
5176 | token = next_token(NULL, NULL, cfile); | |
5177 | ||
5178 | /* | |
5179 | * Obtain the DUID type. | |
5180 | */ | |
5181 | token = next_token(&val, NULL, cfile); | |
5182 | ||
5183 | /* | |
5184 | * Enterprise is the easiest - enterprise number and raw data | |
5185 | * are required. | |
5186 | */ | |
5187 | if (token == EN) { | |
5188 | /* | |
5189 | * Get enterprise number and identifier. | |
5190 | */ | |
5191 | token = next_token(&val, NULL, cfile); | |
5192 | if (token != NUMBER) { | |
5193 | parse_warn(cfile, "enterprise number expected"); | |
5194 | skip_to_semi(cfile); | |
5195 | return; | |
5196 | } | |
5197 | enterprise_number = atoi(val); | |
5198 | ||
5199 | token = next_token(&val, &len, cfile); | |
5200 | if (token != STRING) { | |
5201 | parse_warn(cfile, "identifier expected"); | |
5202 | skip_to_semi(cfile); | |
5203 | return; | |
5204 | } | |
5205 | ||
5206 | /* | |
5207 | * Save the DUID. | |
5208 | */ | |
5209 | memset(&duid, 0, sizeof(duid)); | |
5210 | duid.len = 2 + 4 + len; | |
5211 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5212 | log_fatal("Out of memory storing DUID"); | |
5213 | } | |
28868515 | 5214 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5215 | putUShort(duid.buffer->data, DUID_EN); |
5216 | putULong(duid.buffer->data + 2, enterprise_number); | |
5217 | memcpy(duid.buffer->data + 6, val, len); | |
5218 | ||
5219 | set_server_duid(&duid); | |
5220 | data_string_forget(&duid, MDL); | |
5221 | } | |
5222 | ||
5223 | /* | |
5224 | * Next easiest is the link-layer DUID. It consists only of | |
5225 | * the LL directive, or optionally the specific value to use. | |
5226 | * | |
5227 | * If we have LL only, then we set the type. If we have the | |
5228 | * value, then we set the actual DUID. | |
5229 | */ | |
5230 | else if (token == LL) { | |
5231 | if (peek_token(NULL, NULL, cfile) == SEMI) { | |
5232 | set_server_duid_type(DUID_LL); | |
5233 | } else { | |
5234 | /* | |
5235 | * Get our hardware type and address. | |
5236 | */ | |
5237 | token = next_token(NULL, NULL, cfile); | |
5238 | switch (token) { | |
5239 | case ETHERNET: | |
5240 | ll_type = HTYPE_ETHER; | |
5241 | break; | |
5242 | case TOKEN_RING: | |
5243 | ll_type = HTYPE_IEEE802; | |
5244 | break; | |
219a65eb | 5245 | case TOKEN_FDDI: |
98bd7ca0 DH |
5246 | ll_type = HTYPE_FDDI; |
5247 | break; | |
5248 | default: | |
5249 | parse_warn(cfile, "hardware type expected"); | |
5250 | skip_to_semi(cfile); | |
5251 | return; | |
5252 | } | |
5253 | memset(&ll_addr, 0, sizeof(ll_addr)); | |
5254 | if (!parse_cshl(&ll_addr, cfile)) { | |
5255 | return; | |
5256 | } | |
5257 | ||
5258 | /* | |
5259 | * Save the DUID. | |
5260 | */ | |
5261 | memset(&duid, 0, sizeof(duid)); | |
5262 | duid.len = 2 + 2 + ll_addr.len; | |
5263 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5264 | log_fatal("Out of memory storing DUID"); | |
5265 | } | |
28868515 | 5266 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5267 | putUShort(duid.buffer->data, DUID_LL); |
5268 | putULong(duid.buffer->data + 2, ll_type); | |
5269 | memcpy(duid.buffer->data + 4, | |
5270 | ll_addr.data, ll_addr.len); | |
5271 | ||
5272 | set_server_duid(&duid); | |
5273 | data_string_forget(&duid, MDL); | |
5274 | data_string_forget(&ll_addr, MDL); | |
5275 | } | |
5276 | } | |
5277 | ||
5278 | /* | |
5279 | * Finally the link-layer DUID plus time. It consists only of | |
5280 | * the LLT directive, or optionally the specific value to use. | |
5281 | * | |
5282 | * If we have LLT only, then we set the type. If we have the | |
5283 | * value, then we set the actual DUID. | |
5284 | */ | |
5285 | else if (token == LLT) { | |
5286 | if (peek_token(NULL, NULL, cfile) == SEMI) { | |
5287 | set_server_duid_type(DUID_LLT); | |
5288 | } else { | |
5289 | /* | |
5290 | * Get our hardware type, timestamp, and address. | |
5291 | */ | |
5292 | token = next_token(NULL, NULL, cfile); | |
5293 | switch (token) { | |
5294 | case ETHERNET: | |
5295 | ll_type = HTYPE_ETHER; | |
5296 | break; | |
5297 | case TOKEN_RING: | |
5298 | ll_type = HTYPE_IEEE802; | |
5299 | break; | |
219a65eb | 5300 | case TOKEN_FDDI: |
98bd7ca0 DH |
5301 | ll_type = HTYPE_FDDI; |
5302 | break; | |
5303 | default: | |
5304 | parse_warn(cfile, "hardware type expected"); | |
5305 | skip_to_semi(cfile); | |
5306 | return; | |
5307 | } | |
5308 | ||
5309 | token = next_token(&val, NULL, cfile); | |
5310 | if (token != NUMBER) { | |
5311 | parse_warn(cfile, "timestamp expected"); | |
5312 | skip_to_semi(cfile); | |
5313 | return; | |
5314 | } | |
5315 | llt_time = atoi(val); | |
5316 | ||
5317 | memset(&ll_addr, 0, sizeof(ll_addr)); | |
5318 | if (!parse_cshl(&ll_addr, cfile)) { | |
5319 | return; | |
5320 | } | |
5321 | ||
5322 | /* | |
5323 | * Save the DUID. | |
5324 | */ | |
5325 | memset(&duid, 0, sizeof(duid)); | |
5326 | duid.len = 2 + 2 + 4 + ll_addr.len; | |
5327 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5328 | log_fatal("Out of memory storing DUID"); | |
5329 | } | |
28868515 | 5330 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5331 | putUShort(duid.buffer->data, DUID_LLT); |
5332 | putULong(duid.buffer->data + 2, ll_type); | |
5333 | putULong(duid.buffer->data + 4, llt_time); | |
5334 | memcpy(duid.buffer->data + 8, | |
5335 | ll_addr.data, ll_addr.len); | |
5336 | ||
5337 | set_server_duid(&duid); | |
5338 | data_string_forget(&duid, MDL); | |
5339 | data_string_forget(&ll_addr, MDL); | |
5340 | } | |
5341 | } | |
5342 | ||
5343 | /* | |
5344 | * If users want they can use a number for DUID types. | |
5345 | * This is useful for supporting future, not-yet-defined | |
5346 | * DUID types. | |
5347 | * | |
5348 | * In this case, they have to put in the complete value. | |
5349 | * | |
5350 | * This also works for existing DUID types of course. | |
5351 | */ | |
5352 | else if (token == NUMBER) { | |
5353 | duid_type_num = atoi(val); | |
5354 | ||
5355 | token = next_token(&val, &len, cfile); | |
5356 | if (token != STRING) { | |
5357 | parse_warn(cfile, "identifier expected"); | |
5358 | skip_to_semi(cfile); | |
5359 | return; | |
5360 | } | |
5361 | ||
5362 | /* | |
5363 | * Save the DUID. | |
5364 | */ | |
5365 | memset(&duid, 0, sizeof(duid)); | |
5366 | duid.len = 2 + len; | |
5367 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5368 | log_fatal("Out of memory storing DUID"); | |
5369 | } | |
28868515 | 5370 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5371 | putUShort(duid.buffer->data, duid_type_num); |
5372 | memcpy(duid.buffer->data + 2, val, len); | |
5373 | ||
5374 | set_server_duid(&duid); | |
5375 | data_string_forget(&duid, MDL); | |
5376 | } | |
5377 | ||
5378 | /* | |
5379 | * Anything else is an error. | |
5380 | */ | |
5381 | else { | |
5382 | parse_warn(cfile, "DUID type of LLT, EN, or LL expected"); | |
5383 | skip_to_semi(cfile); | |
5384 | return; | |
5385 | } | |
5386 | ||
5387 | /* | |
5388 | * Finally consume our trailing semicolon. | |
5389 | */ | |
5390 | token = next_token(NULL, NULL, cfile); | |
5391 | if (token != SEMI) { | |
5392 | parse_warn(cfile, "semicolon expected"); | |
5393 | skip_to_semi(cfile); | |
5394 | } | |
5395 | } | |
fe5b0fdd DH |
5396 | |
5397 | #endif /* DHCPv6 */ | |
5398 |