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d7837182 TL |
1 | /* confpars.c |
2 | ||
3 | Parser for dhcpd config file... */ | |
4 | ||
5 | /* | |
fb98e02e | 6 | * Copyright (c) 2004-2015 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> | |
2c85ac9b | 25 | * https://www.isc.org/ |
49733f31 | 26 | * |
d7837182 TL |
27 | */ |
28 | ||
01fa619f SR |
29 | /*! \file server/confpars.c */ |
30 | ||
d7837182 | 31 | #include "dhcpd.h" |
d7837182 | 32 | |
3a16098f | 33 | static unsigned char global_host_once = 1; |
d7837182 | 34 | |
7285af30 DH |
35 | static int parse_binding_value(struct parse *cfile, |
36 | struct binding_value *value); | |
37 | ||
e15d235d TL |
38 | #if defined (TRACING) |
39 | trace_type_t *trace_readconf_type; | |
40 | trace_type_t *trace_readleases_type; | |
e15d235d TL |
41 | |
42 | void parse_trace_setup () | |
43 | { | |
44 | trace_readconf_type = trace_type_register ("readconf", (void *)0, | |
45 | trace_conf_input, | |
46 | trace_conf_stop, MDL); | |
47 | trace_readleases_type = trace_type_register ("readleases", (void *)0, | |
48 | trace_conf_input, | |
49 | trace_conf_stop, MDL); | |
50 | } | |
662df45a | 51 | #endif |
e15d235d | 52 | |
0b69dcc8 | 53 | /* conf-file :== parameters declarations END_OF_FILE |
2d59f590 TL |
54 | parameters :== <nil> | parameter | parameters parameter |
55 | declarations :== <nil> | declaration | declarations declaration */ | |
d7837182 | 56 | |
35454d8a | 57 | isc_result_t readconf () |
20916cae | 58 | { |
33692791 DH |
59 | isc_result_t res; |
60 | ||
61 | res = read_conf_file (path_dhcpd_conf, root_group, ROOT_GROUP, 0); | |
62 | #if defined(LDAP_CONFIGURATION) | |
63 | if (res != ISC_R_SUCCESS) | |
64 | return (res); | |
65 | ||
66 | return ldap_read_config (); | |
67 | #else | |
68 | return (res); | |
69 | #endif | |
20916cae TL |
70 | } |
71 | ||
e15d235d TL |
72 | isc_result_t read_conf_file (const char *filename, struct group *group, |
73 | int group_type, int leasep) | |
74 | { | |
75 | int file; | |
76 | struct parse *cfile; | |
77 | isc_result_t status; | |
78 | #if defined (TRACING) | |
79 | char *fbuf, *dbuf; | |
80 | off_t flen; | |
81 | int result; | |
82 | unsigned tflen, ulen; | |
83 | trace_type_t *ttype; | |
84 | ||
85 | if (leasep) | |
86 | ttype = trace_readleases_type; | |
87 | else | |
88 | ttype = trace_readconf_type; | |
89 | ||
90 | /* If we're in playback, we need to snarf the contents of the | |
91 | named file out of the playback file rather than trying to | |
92 | open and read it. */ | |
93 | if (trace_playback ()) { | |
94 | dbuf = (char *)0; | |
95 | tflen = 0; | |
96 | status = trace_get_file (ttype, filename, &tflen, &dbuf); | |
97 | if (status != ISC_R_SUCCESS) | |
98 | return status; | |
99 | ulen = tflen; | |
100 | ||
101 | /* What we get back is filename\0contents, where contents is | |
102 | terminated just by the length. So we figure out the length | |
103 | of the filename, and subtract that and the NUL from the | |
104 | total length to get the length of the contents of the file. | |
105 | We make fbuf a pointer to the contents of the file, and | |
106 | leave dbuf as it is so we can free it later. */ | |
107 | tflen = strlen (dbuf); | |
108 | ulen = ulen - tflen - 1; | |
109 | fbuf = dbuf + tflen + 1; | |
110 | goto memfile; | |
111 | } | |
112 | #endif | |
113 | ||
114 | if ((file = open (filename, O_RDONLY)) < 0) { | |
115 | if (leasep) { | |
116 | log_error ("Can't open lease database %s: %m --", | |
117 | path_dhcpd_db); | |
118 | log_error (" check for failed database %s!", | |
119 | "rewrite attempt"); | |
120 | log_error ("Please read the dhcpd.leases manual%s", | |
121 | " page if you"); | |
122 | log_fatal ("don't know what to do about this."); | |
123 | } else { | |
124 | log_fatal ("Can't open %s: %m", filename); | |
125 | } | |
126 | } | |
127 | ||
128 | cfile = (struct parse *)0; | |
129 | #if defined (TRACING) | |
130 | flen = lseek (file, (off_t)0, SEEK_END); | |
131 | if (flen < 0) { | |
132 | boom: | |
133 | log_fatal ("Can't lseek on %s: %m", filename); | |
134 | } | |
135 | if (lseek (file, (off_t)0, SEEK_SET) < 0) | |
136 | goto boom; | |
137 | /* Can't handle files greater than 2^31-1. */ | |
138 | if (flen > 0x7FFFFFFFUL) | |
139 | log_fatal ("%s: file is too long to buffer.", filename); | |
140 | ulen = flen; | |
141 | ||
142 | /* Allocate a buffer that will be what's written to the tracefile, | |
143 | and also will be what we parse from. */ | |
144 | tflen = strlen (filename); | |
145 | dbuf = dmalloc (ulen + tflen + 1, MDL); | |
146 | if (!dbuf) | |
147 | log_fatal ("No memory for %s (%d bytes)", | |
148 | filename, ulen); | |
149 | ||
150 | /* Copy the name into the beginning, nul-terminated. */ | |
151 | strcpy (dbuf, filename); | |
152 | ||
153 | /* Load the file in after the NUL. */ | |
154 | fbuf = dbuf + tflen + 1; | |
155 | result = read (file, fbuf, ulen); | |
156 | if (result < 0) | |
157 | log_fatal ("Can't read in %s: %m", filename); | |
158 | if (result != ulen) | |
159 | log_fatal ("%s: short read of %d bytes instead of %d.", | |
160 | filename, ulen, result); | |
98311e4b | 161 | close (file); |
e15d235d TL |
162 | memfile: |
163 | /* If we're recording, write out the filename and file contents. */ | |
164 | if (trace_record ()) | |
165 | trace_write_packet (ttype, ulen + tflen + 1, dbuf, MDL); | |
c40e954c | 166 | status = new_parse(&cfile, -1, fbuf, ulen, filename, 0); /* XXX */ |
e15d235d | 167 | #else |
c40e954c | 168 | status = new_parse(&cfile, file, NULL, 0, filename, 0); |
e15d235d | 169 | #endif |
c40e954c EH |
170 | if (status != ISC_R_SUCCESS || cfile == NULL) |
171 | return status; | |
172 | ||
e15d235d TL |
173 | if (leasep) |
174 | status = lease_file_subparse (cfile); | |
175 | else | |
176 | status = conf_file_subparse (cfile, group, group_type); | |
177 | end_parse (&cfile); | |
178 | #if defined (TRACING) | |
179 | dfree (dbuf, MDL); | |
180 | #endif | |
e15d235d TL |
181 | return status; |
182 | } | |
183 | ||
184 | #if defined (TRACING) | |
185 | void trace_conf_input (trace_type_t *ttype, unsigned len, char *data) | |
186 | { | |
187 | char *fbuf; | |
188 | unsigned flen; | |
189 | unsigned tflen; | |
190 | struct parse *cfile = (struct parse *)0; | |
191 | static int postconf_initialized; | |
192 | static int leaseconf_initialized; | |
c40e954c | 193 | isc_result_t status; |
e15d235d TL |
194 | |
195 | /* Do what's done above, except that we don't have to read in the | |
196 | data, because it's already been read for us. */ | |
197 | tflen = strlen (data); | |
198 | flen = len - tflen - 1; | |
199 | fbuf = data + tflen + 1; | |
200 | ||
201 | /* If we're recording, write out the filename and file contents. */ | |
202 | if (trace_record ()) | |
203 | trace_write_packet (ttype, len, data, MDL); | |
c40e954c EH |
204 | |
205 | status = new_parse(&cfile, -1, fbuf, flen, data, 0); | |
206 | if (status == ISC_R_SUCCESS || cfile != NULL) { | |
207 | if (ttype == trace_readleases_type) | |
208 | lease_file_subparse (cfile); | |
209 | else | |
210 | conf_file_subparse (cfile, root_group, ROOT_GROUP); | |
211 | end_parse (&cfile); | |
212 | } | |
e15d235d TL |
213 | |
214 | /* Postconfiguration needs to be done after the config file | |
215 | has been loaded. */ | |
216 | if (!postconf_initialized && ttype == trace_readconf_type) { | |
217 | postconf_initialization (0); | |
218 | postconf_initialized = 1; | |
219 | } | |
220 | ||
221 | if (!leaseconf_initialized && ttype == trace_readleases_type) { | |
222 | db_startup (0); | |
223 | leaseconf_initialized = 1; | |
d758ad8c | 224 | postdb_startup (); |
e15d235d TL |
225 | } |
226 | } | |
227 | ||
228 | void trace_conf_stop (trace_type_t *ttype) { } | |
229 | #endif | |
230 | ||
0b69dcc8 | 231 | /* conf-file :== parameters declarations END_OF_FILE |
20916cae TL |
232 | parameters :== <nil> | parameter | parameters parameter |
233 | declarations :== <nil> | declaration | declarations declaration */ | |
234 | ||
e15d235d TL |
235 | isc_result_t conf_file_subparse (struct parse *cfile, struct group *group, |
236 | int group_type) | |
d7837182 | 237 | { |
b1b7b521 | 238 | const char *val; |
6f8fb41f | 239 | enum dhcp_token token; |
2d59f590 | 240 | int declaration = 0; |
35454d8a | 241 | int status; |
7e8381e5 | 242 | |
d7837182 | 243 | do { |
b3519f23 | 244 | token = peek_token (&val, (unsigned *)0, cfile); |
0b69dcc8 | 245 | if (token == END_OF_FILE) |
d7837182 | 246 | break; |
20916cae | 247 | declaration = parse_statement (cfile, group, group_type, |
ece6ea33 TL |
248 | (struct host_decl *)0, |
249 | declaration); | |
d7837182 | 250 | } while (1); |
dc9d7b08 | 251 | skip_token(&val, (unsigned *)0, cfile); |
88ddda34 | 252 | |
98bf1607 | 253 | status = cfile->warnings_occurred ? DHCP_R_BADPARSE : ISC_R_SUCCESS; |
35454d8a | 254 | return status; |
1358b874 TL |
255 | } |
256 | ||
0b69dcc8 | 257 | /* lease-file :== lease-declarations END_OF_FILE |
20ae1aff | 258 | lease-statements :== <nil> |
2d59f590 TL |
259 | | lease-declaration |
260 | | lease-declarations lease-declaration */ | |
5376e3e9 | 261 | |
e15d235d | 262 | isc_result_t lease_file_subparse (struct parse *cfile) |
1358b874 | 263 | { |
b1b7b521 | 264 | const char *val; |
6f8fb41f | 265 | enum dhcp_token token; |
35454d8a | 266 | isc_result_t status; |
7dfc8ac2 | 267 | |
1358b874 | 268 | do { |
b3519f23 | 269 | token = next_token (&val, (unsigned *)0, cfile); |
0b69dcc8 | 270 | if (token == END_OF_FILE) |
1358b874 | 271 | break; |
52e79d12 | 272 | if (token == LEASE) { |
20916cae TL |
273 | struct lease *lease = (struct lease *)0; |
274 | if (parse_lease_declaration (&lease, cfile)) { | |
1358b874 | 275 | enter_lease (lease); |
20916cae | 276 | lease_dereference (&lease, MDL); |
96d7d13e | 277 | } else |
35454d8a TL |
278 | parse_warn (cfile, |
279 | "possibly corrupt lease file"); | |
98bd7ca0 DH |
280 | } else if (token == IA_NA) { |
281 | parse_ia_na_declaration(cfile); | |
1d9774ab FD |
282 | } else if (token == IA_TA) { |
283 | parse_ia_ta_declaration(cfile); | |
284 | } else if (token == IA_PD) { | |
285 | parse_ia_pd_declaration(cfile); | |
899d754f | 286 | } else if (token == CLASS) { |
06e77c34 DH |
287 | parse_class_declaration(0, cfile, root_group, |
288 | CLASS_TYPE_CLASS); | |
899d754f | 289 | } else if (token == SUBCLASS) { |
06e77c34 DH |
290 | parse_class_declaration(0, cfile, root_group, |
291 | CLASS_TYPE_SUBCLASS); | |
52e79d12 | 292 | } else if (token == HOST) { |
20916cae | 293 | parse_host_declaration (cfile, root_group); |
35454d8a | 294 | } else if (token == GROUP) { |
20916cae | 295 | parse_group_declaration (cfile, root_group); |
a4ba3160 TL |
296 | #if defined (FAILOVER_PROTOCOL) |
297 | } else if (token == FAILOVER) { | |
298 | parse_failover_state_declaration | |
299 | (cfile, (dhcp_failover_state_t *)0); | |
300 | #endif | |
fe5b0fdd | 301 | #ifdef DHCPv6 |
98bd7ca0 DH |
302 | } else if (token == SERVER_DUID) { |
303 | parse_server_duid(cfile); | |
fe5b0fdd | 304 | #endif /* DHCPv6 */ |
52e79d12 TL |
305 | } else { |
306 | log_error ("Corrupt lease file - possible data loss!"); | |
307 | skip_to_semi (cfile); | |
1358b874 TL |
308 | } |
309 | ||
310 | } while (1); | |
35454d8a | 311 | |
98bf1607 | 312 | status = cfile->warnings_occurred ? DHCP_R_BADPARSE : ISC_R_SUCCESS; |
35454d8a | 313 | return status; |
d7837182 TL |
314 | } |
315 | ||
2d59f590 TL |
316 | /* statement :== parameter | declaration |
317 | ||
6d103865 | 318 | parameter :== DEFAULT_LEASE_TIME lease_time |
2d59f590 TL |
319 | | MAX_LEASE_TIME lease_time |
320 | | DYNAMIC_BOOTP_LEASE_CUTOFF date | |
321 | | DYNAMIC_BOOTP_LEASE_LENGTH lease_time | |
322 | | BOOT_UNKNOWN_CLIENTS boolean | |
323 | | ONE_LEASE_PER_CLIENT boolean | |
5fea7b10 | 324 | | GET_LEASE_HOSTNAMES boolean |
c256bae9 | 325 | | USE_HOST_DECL_NAME boolean |
2d59f590 TL |
326 | | NEXT_SERVER ip-addr-or-hostname SEMI |
327 | | option_parameter | |
328 | | SERVER-IDENTIFIER ip-addr-or-hostname SEMI | |
329 | | FILENAME string-parameter | |
330 | | SERVER_NAME string-parameter | |
331 | | hardware-parameter | |
332 | | fixed-address-parameter | |
99fd97cc TL |
333 | | ALLOW allow-deny-keyword |
334 | | DENY allow-deny-keyword | |
59b85ebd | 335 | | USE_LEASE_ADDR_FOR_DEFAULT_ROUTE boolean |
763adef1 TL |
336 | | AUTHORITATIVE |
337 | | NOT AUTHORITATIVE | |
2d59f590 TL |
338 | |
339 | declaration :== host-declaration | |
340 | | group-declaration | |
341 | | shared-network-declaration | |
342 | | subnet-declaration | |
343 | | VENDOR_CLASS class-declaration | |
344 | | USER_CLASS class-declaration | |
345 | | RANGE address-range-declaration */ | |
346 | ||
347 | int parse_statement (cfile, group, type, host_decl, declaration) | |
35454d8a | 348 | struct parse *cfile; |
7dfc8ac2 TL |
349 | struct group *group; |
350 | int type; | |
351 | struct host_decl *host_decl; | |
2d59f590 | 352 | int declaration; |
d7837182 | 353 | { |
6f8fb41f | 354 | enum dhcp_token token; |
b1b7b521 | 355 | const char *val; |
7dfc8ac2 | 356 | struct shared_network *share; |
28868515 | 357 | char *n; |
7dfc8ac2 | 358 | struct hardware hardware; |
ece6ea33 | 359 | struct executable_statement *et, *ep; |
f7fdb216 | 360 | struct option *option = NULL; |
ece6ea33 TL |
361 | struct option_cache *cache; |
362 | int lose; | |
b1b7b521 | 363 | int known; |
20916cae | 364 | isc_result_t status; |
f7fdb216 | 365 | unsigned code; |
d7837182 | 366 | |
b3519f23 | 367 | token = peek_token (&val, (unsigned *)0, cfile); |
e68de775 TL |
368 | |
369 | switch (token) { | |
20916cae | 370 | case INCLUDE: |
dc9d7b08 | 371 | skip_token(&val, (unsigned *)0, cfile); |
b3519f23 | 372 | token = next_token (&val, (unsigned *)0, cfile); |
20916cae TL |
373 | if (token != STRING) { |
374 | parse_warn (cfile, "filename string expected."); | |
375 | skip_to_semi (cfile); | |
376 | } else { | |
e15d235d | 377 | status = read_conf_file (val, group, type, 0); |
20916cae TL |
378 | if (status != ISC_R_SUCCESS) |
379 | parse_warn (cfile, "%s: bad parse.", val); | |
380 | parse_semi (cfile); | |
381 | } | |
382 | return 1; | |
383 | ||
d7837182 | 384 | case HOST: |
dc9d7b08 | 385 | skip_token(&val, (unsigned *)0, cfile); |
3a16098f DH |
386 | if (type != HOST_DECL && type != CLASS_DECL) { |
387 | if (global_host_once && | |
388 | (type == SUBNET_DECL || type == SHARED_NET_DECL)) { | |
389 | global_host_once = 0; | |
390 | log_error("WARNING: Host declarations are " | |
391 | "global. They are not limited to " | |
392 | "the scope you declared them in."); | |
393 | } | |
394 | ||
2d59f590 | 395 | parse_host_declaration (cfile, group); |
3a16098f | 396 | } else { |
35454d8a TL |
397 | parse_warn (cfile, |
398 | "host declarations not allowed here."); | |
7dfc8ac2 | 399 | skip_to_semi (cfile); |
d7837182 | 400 | } |
7dfc8ac2 TL |
401 | return 1; |
402 | ||
403 | case GROUP: | |
dc9d7b08 | 404 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 405 | if (type != HOST_DECL && type != CLASS_DECL) |
2d59f590 | 406 | parse_group_declaration (cfile, group); |
7dfc8ac2 | 407 | else { |
35454d8a TL |
408 | parse_warn (cfile, |
409 | "group declarations not allowed here."); | |
7dfc8ac2 | 410 | skip_to_semi (cfile); |
d7837182 | 411 | } |
7dfc8ac2 TL |
412 | return 1; |
413 | ||
1f814ff2 | 414 | case SHARED_NETWORK: |
dc9d7b08 | 415 | skip_token(&val, (unsigned *)0, cfile); |
2d59f590 TL |
416 | if (type == SHARED_NET_DECL || |
417 | type == HOST_DECL || | |
ece6ea33 TL |
418 | type == SUBNET_DECL || |
419 | type == CLASS_DECL) { | |
35454d8a | 420 | parse_warn (cfile, "shared-network parameters not %s.", |
7dfc8ac2 TL |
421 | "allowed here"); |
422 | skip_to_semi (cfile); | |
423 | break; | |
1f814ff2 | 424 | } |
7dfc8ac2 | 425 | |
2d59f590 | 426 | parse_shared_net_declaration (cfile, group); |
7dfc8ac2 TL |
427 | return 1; |
428 | ||
685963dc | 429 | case SUBNET: |
98bd7ca0 | 430 | case SUBNET6: |
dc9d7b08 | 431 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 TL |
432 | if (type == HOST_DECL || type == SUBNET_DECL || |
433 | type == CLASS_DECL) { | |
35454d8a TL |
434 | parse_warn (cfile, |
435 | "subnet declarations not allowed here."); | |
7dfc8ac2 TL |
436 | skip_to_semi (cfile); |
437 | return 1; | |
438 | } | |
439 | ||
2d59f590 | 440 | /* If we're in a subnet declaration, just do the parse. */ |
7d6180be | 441 | if (group->shared_network != NULL) { |
98bd7ca0 DH |
442 | if (token == SUBNET) { |
443 | parse_subnet_declaration(cfile, | |
444 | group->shared_network); | |
445 | } else { | |
446 | parse_subnet6_declaration(cfile, | |
447 | group->shared_network); | |
448 | } | |
7dfc8ac2 TL |
449 | break; |
450 | } | |
451 | ||
7d6180be DH |
452 | /* |
453 | * Otherwise, cons up a fake shared network structure | |
454 | * and populate it with the lone subnet...because the | |
455 | * intention most likely is to refer to the entire link | |
456 | * by shorthand, any configuration inside the subnet is | |
457 | * actually placed in the shared-network's group. | |
458 | */ | |
7dfc8ac2 | 459 | |
7d6180be | 460 | share = NULL; |
20916cae TL |
461 | status = shared_network_allocate (&share, MDL); |
462 | if (status != ISC_R_SUCCESS) | |
463 | log_fatal ("Can't allocate shared subnet: %s", | |
464 | isc_result_totext (status)); | |
465 | if (!clone_group (&share -> group, group, MDL)) | |
f84d544b | 466 | log_fatal ("Can't allocate group for shared net"); |
6ceb9118 TL |
467 | shared_network_reference (&share -> group -> shared_network, |
468 | share, MDL); | |
7dfc8ac2 | 469 | |
7d6180be DH |
470 | /* |
471 | * This is an implicit shared network, not explicit in | |
472 | * the config. | |
473 | */ | |
474 | share->flags |= SHARED_IMPLICIT; | |
475 | ||
98bd7ca0 DH |
476 | if (token == SUBNET) { |
477 | parse_subnet_declaration(cfile, share); | |
478 | } else { | |
479 | parse_subnet6_declaration(cfile, share); | |
480 | } | |
763adef1 TL |
481 | |
482 | /* share -> subnets is the subnet we just parsed. */ | |
98bd7ca0 DH |
483 | if (share->subnets) { |
484 | interface_reference(&share->interface, | |
485 | share->subnets->interface, | |
486 | MDL); | |
7dfc8ac2 | 487 | |
763adef1 | 488 | /* Make the shared network name from network number. */ |
98bd7ca0 DH |
489 | if (token == SUBNET) { |
490 | n = piaddrmask(&share->subnets->net, | |
491 | &share->subnets->netmask); | |
492 | } else { | |
493 | n = piaddrcidr(&share->subnets->net, | |
494 | share->subnets->prefix_len); | |
495 | } | |
496 | ||
497 | share->name = strdup(n); | |
498 | ||
499 | if (share->name == NULL) | |
500 | log_fatal("Out of memory allocating default " | |
501 | "shared network name (\"%s\").", n); | |
763adef1 TL |
502 | |
503 | /* Copy the authoritative parameter from the subnet, | |
504 | since there is no opportunity to declare it here. */ | |
98bd7ca0 DH |
505 | share->group->authoritative = |
506 | share->subnets->group->authoritative; | |
507 | enter_shared_network(share); | |
d7837182 | 508 | } |
98bd7ca0 | 509 | shared_network_dereference(&share, MDL); |
7dfc8ac2 TL |
510 | return 1; |
511 | ||
24a75c03 | 512 | case VENDOR_CLASS: |
dc9d7b08 | 513 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 514 | if (type == CLASS_DECL) { |
35454d8a TL |
515 | parse_warn (cfile, |
516 | "class declarations not allowed here."); | |
ece6ea33 TL |
517 | skip_to_semi (cfile); |
518 | break; | |
519 | } | |
06e77c34 | 520 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_VENDOR); |
7dfc8ac2 TL |
521 | return 1; |
522 | ||
24a75c03 | 523 | case USER_CLASS: |
dc9d7b08 | 524 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 525 | if (type == CLASS_DECL) { |
35454d8a TL |
526 | parse_warn (cfile, |
527 | "class declarations not allowed here."); | |
ece6ea33 TL |
528 | skip_to_semi (cfile); |
529 | break; | |
530 | } | |
06e77c34 | 531 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_USER); |
7dfc8ac2 | 532 | return 1; |
1f814ff2 | 533 | |
ece6ea33 | 534 | case CLASS: |
dc9d7b08 | 535 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 536 | if (type == CLASS_DECL) { |
35454d8a TL |
537 | parse_warn (cfile, |
538 | "class declarations not allowed here."); | |
59b85ebd | 539 | skip_to_semi (cfile); |
ece6ea33 | 540 | break; |
59b85ebd | 541 | } |
06e77c34 | 542 | parse_class_declaration(NULL, cfile, group, CLASS_TYPE_CLASS); |
ece6ea33 | 543 | return 1; |
59b85ebd | 544 | |
ece6ea33 | 545 | case SUBCLASS: |
dc9d7b08 | 546 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 547 | if (type == CLASS_DECL) { |
35454d8a TL |
548 | parse_warn (cfile, |
549 | "class declarations not allowed here."); | |
ece6ea33 | 550 | skip_to_semi (cfile); |
7dfc8ac2 | 551 | break; |
7dfc8ac2 | 552 | } |
06e77c34 DH |
553 | parse_class_declaration(NULL, cfile, group, |
554 | CLASS_TYPE_SUBCLASS); | |
ece6ea33 | 555 | return 1; |
7dfc8ac2 TL |
556 | |
557 | case HARDWARE: | |
dc9d7b08 | 558 | skip_token(&val, (unsigned *)0, cfile); |
76981d9f | 559 | memset (&hardware, 0, sizeof hardware); |
2178df03 DH |
560 | if (host_decl && memcmp(&hardware, &(host_decl->interface), |
561 | sizeof(hardware)) != 0) { | |
562 | parse_warn(cfile, "Host %s hardware address already " | |
563 | "configured.", host_decl->name); | |
564 | break; | |
565 | } | |
566 | ||
2d59f590 | 567 | parse_hardware_param (cfile, &hardware); |
7dfc8ac2 TL |
568 | if (host_decl) |
569 | host_decl -> interface = hardware; | |
570 | else | |
35454d8a | 571 | parse_warn (cfile, "hardware address parameter %s", |
7dfc8ac2 TL |
572 | "not allowed here."); |
573 | break; | |
574 | ||
575 | case FIXED_ADDR: | |
98bd7ca0 | 576 | case FIXED_ADDR6: |
dc9d7b08 | 577 | skip_token(&val, NULL, cfile); |
98bd7ca0 DH |
578 | cache = NULL; |
579 | if (parse_fixed_addr_param(&cache, cfile, token)) { | |
98311e4b | 580 | if (host_decl) { |
98bd7ca0 DH |
581 | if (host_decl->fixed_addr) { |
582 | option_cache_dereference(&cache, MDL); | |
583 | parse_warn(cfile, | |
584 | "Only one fixed address " | |
585 | "declaration per host."); | |
98311e4b | 586 | } else { |
98bd7ca0 | 587 | host_decl->fixed_addr = cache; |
98311e4b DH |
588 | } |
589 | } else { | |
98bd7ca0 DH |
590 | parse_warn(cfile, |
591 | "fixed-address parameter not " | |
592 | "allowed here."); | |
593 | option_cache_dereference(&cache, MDL); | |
20916cae | 594 | } |
6f8fb41f | 595 | } |
7dfc8ac2 TL |
596 | break; |
597 | ||
f63b4929 | 598 | case POOL: |
dc9d7b08 | 599 | skip_token(&val, (unsigned *)0, cfile); |
9322442f | 600 | if (type == POOL_DECL) { |
35454d8a | 601 | parse_warn (cfile, "pool declared within pool."); |
61252edf | 602 | skip_to_semi(cfile); |
9322442f FD |
603 | } else if (type != SUBNET_DECL && type != SHARED_NET_DECL) { |
604 | parse_warn (cfile, "pool declared outside of network"); | |
605 | skip_to_semi(cfile); | |
606 | } else | |
61252edf EH |
607 | parse_pool_statement (cfile, group, type); |
608 | ||
f63b4929 TL |
609 | return declaration; |
610 | ||
7dfc8ac2 | 611 | case RANGE: |
dc9d7b08 | 612 | skip_token(&val, (unsigned *)0, cfile); |
2d59f590 | 613 | if (type != SUBNET_DECL || !group -> subnet) { |
35454d8a TL |
614 | parse_warn (cfile, |
615 | "range declaration not allowed here."); | |
7dfc8ac2 | 616 | skip_to_semi (cfile); |
2d59f590 | 617 | return declaration; |
7dfc8ac2 | 618 | } |
98311e4b DH |
619 | parse_address_range (cfile, group, type, (struct pool *)0, |
620 | (struct lease **)0); | |
2d59f590 | 621 | return declaration; |
7dfc8ac2 | 622 | |
fe5b0fdd | 623 | #ifdef DHCPv6 |
98bd7ca0 | 624 | case RANGE6: |
dc9d7b08 | 625 | skip_token(NULL, NULL, cfile); |
98bd7ca0 DH |
626 | if ((type != SUBNET_DECL) || (group->subnet == NULL)) { |
627 | parse_warn (cfile, | |
628 | "range6 declaration not allowed here."); | |
629 | skip_to_semi(cfile); | |
630 | return declaration; | |
631 | } | |
01fa619f | 632 | parse_address_range6(cfile, group, NULL); |
98bd7ca0 | 633 | return declaration; |
80c9fdb0 FD |
634 | |
635 | case PREFIX6: | |
dc9d7b08 | 636 | skip_token(NULL, NULL, cfile); |
bd72740e | 637 | if ((type != SUBNET_DECL) || (group->subnet == NULL)) { |
80c9fdb0 | 638 | parse_warn (cfile, |
9322442f | 639 | "prefix6 declaration not allowed here."); |
80c9fdb0 FD |
640 | skip_to_semi(cfile); |
641 | return declaration; | |
642 | } | |
01fa619f | 643 | parse_prefix6(cfile, group, NULL); |
80c9fdb0 FD |
644 | return declaration; |
645 | ||
646 | case FIXED_PREFIX6: | |
dc9d7b08 | 647 | skip_token(&val, NULL, cfile); |
80c9fdb0 FD |
648 | if (!host_decl) { |
649 | parse_warn (cfile, | |
650 | "fixed-prefix6 declaration not " | |
651 | "allowed here."); | |
652 | skip_to_semi(cfile); | |
653 | break; | |
654 | } | |
655 | parse_fixed_prefix6(cfile, host_decl); | |
656 | break; | |
657 | ||
01fa619f SR |
658 | case POOL6: |
659 | skip_token(&val, NULL, cfile); | |
660 | if (type == POOL_DECL) { | |
36e2c224 | 661 | parse_warn (cfile, "pool6 declared within pool."); |
01fa619f SR |
662 | skip_to_semi(cfile); |
663 | } else if (type != SUBNET_DECL) { | |
36e2c224 | 664 | parse_warn (cfile, "pool6 declared outside of network"); |
01fa619f SR |
665 | skip_to_semi(cfile); |
666 | } else | |
667 | parse_pool6_statement (cfile, group, type); | |
668 | ||
669 | return declaration; | |
670 | ||
fe5b0fdd | 671 | #endif /* DHCPv6 */ |
98bd7ca0 | 672 | |
763adef1 | 673 | case TOKEN_NOT: |
dc9d7b08 | 674 | skip_token(&val, (unsigned *)0, cfile); |
b3519f23 | 675 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 TL |
676 | switch (token) { |
677 | case AUTHORITATIVE: | |
678 | group -> authoritative = 0; | |
679 | goto authoritative; | |
680 | default: | |
35454d8a | 681 | parse_warn (cfile, "expecting assertion"); |
763adef1 TL |
682 | skip_to_semi (cfile); |
683 | break; | |
684 | } | |
685 | break; | |
686 | case AUTHORITATIVE: | |
dc9d7b08 | 687 | skip_token(&val, (unsigned *)0, cfile); |
763adef1 TL |
688 | group -> authoritative = 1; |
689 | authoritative: | |
1b8223ae | 690 | if (type == HOST_DECL) |
35454d8a | 691 | parse_warn (cfile, "authority makes no sense here."); |
763adef1 TL |
692 | parse_semi (cfile); |
693 | break; | |
694 | ||
8230a054 TL |
695 | /* "server-identifier" is a special hack, equivalent to |
696 | "option dhcp-server-identifier". */ | |
697 | case SERVER_IDENTIFIER: | |
f7fdb216 DH |
698 | code = DHO_DHCP_SERVER_IDENTIFIER; |
699 | if (!option_code_hash_lookup(&option, dhcp_universe.code_hash, | |
700 | &code, 0, MDL)) | |
701 | log_fatal("Server identifier not in hash (%s:%d).", | |
702 | MDL); | |
dc9d7b08 | 703 | skip_token(&val, (unsigned *)0, cfile); |
8230a054 TL |
704 | goto finish_option; |
705 | ||
6f8fb41f | 706 | case OPTION: |
dc9d7b08 | 707 | skip_token(&val, (unsigned *)0, cfile); |
b3519f23 | 708 | token = peek_token (&val, (unsigned *)0, cfile); |
822d95c9 TL |
709 | if (token == SPACE) { |
710 | if (type != ROOT_GROUP) { | |
35454d8a TL |
711 | parse_warn (cfile, |
712 | "option space definitions %s", | |
436f1c8c | 713 | "may not be scoped."); |
822d95c9 | 714 | skip_to_semi (cfile); |
822d95c9 TL |
715 | break; |
716 | } | |
717 | parse_option_space_decl (cfile); | |
718 | return declaration; | |
719 | } | |
720 | ||
b1b7b521 | 721 | known = 0; |
f7fdb216 DH |
722 | status = parse_option_name(cfile, 1, &known, &option); |
723 | if (status == ISC_R_SUCCESS) { | |
b3519f23 | 724 | token = peek_token (&val, (unsigned *)0, cfile); |
8230a054 TL |
725 | if (token == CODE) { |
726 | if (type != ROOT_GROUP) { | |
35454d8a | 727 | parse_warn (cfile, |
ab58ff49 | 728 | "option definitions%s", |
822d95c9 | 729 | " may not be scoped."); |
8230a054 | 730 | skip_to_semi (cfile); |
f7fdb216 | 731 | option_dereference(&option, MDL); |
8230a054 TL |
732 | break; |
733 | } | |
dc9d7b08 | 734 | skip_token(&val, (unsigned *)0, cfile); |
86f1d4b7 DH |
735 | |
736 | /* | |
737 | * If the option was known, remove it from the | |
738 | * code and name hashes before redefining it. | |
739 | */ | |
740 | if (known) { | |
741 | option_name_hash_delete( | |
742 | option->universe->name_hash, | |
743 | option->name, 0, MDL); | |
744 | option_code_hash_delete( | |
745 | option->universe->code_hash, | |
746 | &option->code, 0, MDL); | |
747 | } | |
748 | ||
f7fdb216 DH |
749 | parse_option_code_definition(cfile, option); |
750 | option_dereference(&option, MDL); | |
8230a054 TL |
751 | return declaration; |
752 | } | |
753 | ||
754 | /* If this wasn't an option code definition, don't | |
755 | allow an unknown option. */ | |
b1b7b521 | 756 | if (!known) { |
35454d8a | 757 | parse_warn (cfile, "unknown option %s.%s", |
8230a054 TL |
758 | option -> universe -> name, |
759 | option -> name); | |
760 | skip_to_semi (cfile); | |
f7fdb216 | 761 | option_dereference(&option, MDL); |
8230a054 TL |
762 | return declaration; |
763 | } | |
764 | ||
765 | finish_option: | |
79a65726 TL |
766 | et = (struct executable_statement *)0; |
767 | if (!parse_option_statement | |
768 | (&et, cfile, 1, option, | |
769 | supersede_option_statement)) | |
6f8fb41f | 770 | return declaration; |
f7fdb216 | 771 | option_dereference(&option, MDL); |
6f8fb41f TL |
772 | goto insert_statement; |
773 | } else | |
774 | return declaration; | |
775 | ||
776 | break; | |
777 | ||
763adef1 | 778 | case FAILOVER: |
98311e4b | 779 | if (type != ROOT_GROUP && type != SHARED_NET_DECL) { |
9e9b2261 TL |
780 | parse_warn (cfile, "failover peers may only be %s", |
781 | "defined in shared-network"); | |
782 | log_error ("declarations and the outer scope."); | |
783 | skip_to_semi (cfile); | |
784 | break; | |
785 | } | |
b3519f23 | 786 | token = next_token (&val, (unsigned *)0, cfile); |
22009f79 | 787 | #if defined (FAILOVER_PROTOCOL) |
763adef1 | 788 | parse_failover_peer (cfile, group, type); |
22009f79 TL |
789 | #else |
790 | parse_warn (cfile, "No failover support."); | |
791 | skip_to_semi (cfile); | |
763adef1 | 792 | #endif |
22009f79 | 793 | break; |
98bd7ca0 | 794 | |
fe5b0fdd | 795 | #ifdef DHCPv6 |
98bd7ca0 DH |
796 | case SERVER_DUID: |
797 | parse_server_duid_conf(cfile); | |
798 | break; | |
fe5b0fdd | 799 | #endif /* DHCPv6 */ |
763adef1 | 800 | |
d7837182 | 801 | default: |
ece6ea33 | 802 | et = (struct executable_statement *)0; |
588af269 TL |
803 | lose = 0; |
804 | if (!parse_executable_statement (&et, cfile, &lose, | |
805 | context_any)) { | |
806 | if (!lose) { | |
807 | if (declaration) | |
35454d8a TL |
808 | parse_warn (cfile, |
809 | "expecting a declaration"); | |
588af269 | 810 | else |
35454d8a | 811 | parse_warn (cfile, |
ab58ff49 | 812 | "expecting a parameter %s", |
35454d8a | 813 | "or declaration"); |
588af269 | 814 | skip_to_semi (cfile); |
ece6ea33 | 815 | } |
ece6ea33 TL |
816 | return declaration; |
817 | } | |
026975bb TL |
818 | if (!et) |
819 | return declaration; | |
ece6ea33 TL |
820 | insert_statement: |
821 | if (group -> statements) { | |
79a65726 TL |
822 | int multi = 0; |
823 | ||
824 | /* If this set of statements is only referenced | |
825 | by this group, just add the current statement | |
826 | to the end of the chain. */ | |
ece6ea33 TL |
827 | for (ep = group -> statements; ep -> next; |
828 | ep = ep -> next) | |
79a65726 TL |
829 | if (ep -> refcnt > 1) /* XXX */ |
830 | multi = 1; | |
831 | if (!multi) { | |
436f1c8c TL |
832 | executable_statement_reference (&ep -> next, |
833 | et, MDL); | |
d758ad8c | 834 | executable_statement_dereference (&et, MDL); |
79a65726 TL |
835 | return declaration; |
836 | } | |
ece6ea33 | 837 | |
79a65726 TL |
838 | /* Otherwise, make a parent chain, and put the |
839 | current group statements first and the new | |
840 | statement in the next pointer. */ | |
841 | ep = (struct executable_statement *)0; | |
436f1c8c | 842 | if (!executable_statement_allocate (&ep, MDL)) |
79a65726 TL |
843 | log_fatal ("No memory for statements."); |
844 | ep -> op = statements_statement; | |
436f1c8c TL |
845 | executable_statement_reference (&ep -> data.statements, |
846 | group -> statements, | |
847 | MDL); | |
848 | executable_statement_reference (&ep -> next, et, MDL); | |
849 | executable_statement_dereference (&group -> statements, | |
850 | MDL); | |
851 | executable_statement_reference (&group -> statements, | |
852 | ep, MDL); | |
d758ad8c TL |
853 | executable_statement_dereference (&ep, MDL); |
854 | } else { | |
436f1c8c TL |
855 | executable_statement_reference (&group -> statements, |
856 | et, MDL); | |
d758ad8c TL |
857 | } |
858 | executable_statement_dereference (&et, MDL); | |
6f8fb41f | 859 | return declaration; |
d7837182 | 860 | } |
1f814ff2 | 861 | |
7dfc8ac2 | 862 | return 0; |
d7837182 TL |
863 | } |
864 | ||
763adef1 TL |
865 | #if defined (FAILOVER_PROTOCOL) |
866 | void parse_failover_peer (cfile, group, type) | |
35454d8a | 867 | struct parse *cfile; |
763adef1 TL |
868 | struct group *group; |
869 | int type; | |
870 | { | |
871 | enum dhcp_token token; | |
b1b7b521 | 872 | const char *val; |
9e9b2261 TL |
873 | dhcp_failover_state_t *peer; |
874 | u_int32_t *tp; | |
763adef1 | 875 | char *name; |
9e9b2261 TL |
876 | u_int32_t split; |
877 | u_int8_t hba [32]; | |
165bce70 | 878 | unsigned hba_len = sizeof hba; |
9e9b2261 TL |
879 | int i; |
880 | struct expression *expr; | |
e9623235 | 881 | isc_result_t status; |
05815916 | 882 | dhcp_failover_config_t *cp; |
763adef1 | 883 | |
b3519f23 | 884 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 885 | if (token != PEER) { |
9e9b2261 | 886 | parse_warn (cfile, "expecting \"peer\""); |
763adef1 TL |
887 | skip_to_semi (cfile); |
888 | return; | |
889 | } | |
890 | ||
b3519f23 | 891 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 892 | if (is_identifier (token) || token == STRING) { |
436f1c8c | 893 | name = dmalloc (strlen (val) + 1, MDL); |
9e9b2261 | 894 | if (!name) |
8ae2d595 | 895 | log_fatal ("no memory for peer name %s", name); |
9e9b2261 | 896 | strcpy (name, val); |
763adef1 | 897 | } else { |
9e9b2261 | 898 | parse_warn (cfile, "expecting failover peer name."); |
763adef1 TL |
899 | skip_to_semi (cfile); |
900 | return; | |
901 | } | |
902 | ||
903 | /* See if there's a peer declaration by this name. */ | |
9e9b2261 | 904 | peer = (dhcp_failover_state_t *)0; |
20916cae | 905 | find_failover_peer (&peer, name, MDL); |
763adef1 | 906 | |
b3519f23 | 907 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 908 | if (token == SEMI) { |
763adef1 | 909 | if (type != SHARED_NET_DECL) |
35454d8a | 910 | parse_warn (cfile, "failover peer reference not %s", |
763adef1 TL |
911 | "in shared-network declaration"); |
912 | else { | |
913 | if (!peer) { | |
35454d8a | 914 | parse_warn (cfile, "reference to unknown%s%s", |
763adef1 | 915 | " failover peer ", name); |
36e2c224 | 916 | dfree (name, MDL); |
763adef1 TL |
917 | return; |
918 | } | |
20916cae TL |
919 | dhcp_failover_state_reference |
920 | (&group -> shared_network -> failover_peer, | |
921 | peer, MDL); | |
763adef1 | 922 | } |
20916cae | 923 | dhcp_failover_state_dereference (&peer, MDL); |
36e2c224 | 924 | dfree (name, MDL); |
763adef1 | 925 | return; |
a4ba3160 | 926 | } else if (token == STATE) { |
763adef1 | 927 | if (!peer) { |
a4ba3160 | 928 | parse_warn (cfile, "state declaration for unknown%s%s", |
763adef1 | 929 | " failover peer ", name); |
36e2c224 | 930 | dfree (name, MDL); |
763adef1 TL |
931 | return; |
932 | } | |
a4ba3160 | 933 | parse_failover_state_declaration (cfile, peer); |
20916cae | 934 | dhcp_failover_state_dereference (&peer, MDL); |
36e2c224 | 935 | dfree (name, MDL); |
763adef1 TL |
936 | return; |
937 | } else if (token != LBRACE) { | |
35454d8a | 938 | parse_warn (cfile, "expecting left brace"); |
763adef1 TL |
939 | skip_to_semi (cfile); |
940 | } | |
941 | ||
942 | /* Make sure this isn't a redeclaration. */ | |
943 | if (peer) { | |
35454d8a | 944 | parse_warn (cfile, "redeclaration of failover peer %s", name); |
763adef1 | 945 | skip_to_rbrace (cfile, 1); |
20916cae | 946 | dhcp_failover_state_dereference (&peer, MDL); |
36e2c224 | 947 | dfree (name, MDL); |
763adef1 TL |
948 | return; |
949 | } | |
950 | ||
20916cae TL |
951 | status = dhcp_failover_state_allocate (&peer, MDL); |
952 | if (status != ISC_R_SUCCESS) | |
953 | log_fatal ("Can't allocate failover peer %s: %s", | |
954 | name, isc_result_totext (status)); | |
763adef1 TL |
955 | |
956 | /* Save the name. */ | |
957 | peer -> name = name; | |
958 | ||
959 | do { | |
05815916 TL |
960 | cp = &peer -> me; |
961 | peer: | |
b3519f23 | 962 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 TL |
963 | switch (token) { |
964 | case RBRACE: | |
965 | break; | |
9e9b2261 | 966 | |
763adef1 TL |
967 | case PRIMARY: |
968 | peer -> i_am = primary; | |
969 | break; | |
9e9b2261 | 970 | |
763adef1 TL |
971 | case SECONDARY: |
972 | peer -> i_am = secondary; | |
007e3ee4 TL |
973 | if (peer -> hba) |
974 | parse_warn (cfile, | |
975 | "secondary may not define %s", | |
976 | "load balance settings."); | |
763adef1 | 977 | break; |
9e9b2261 | 978 | |
e9623235 | 979 | case PEER: |
05815916 TL |
980 | cp = &peer -> partner; |
981 | goto peer; | |
e9623235 TL |
982 | |
983 | case ADDRESS: | |
9e9b2261 TL |
984 | expr = (struct expression *)0; |
985 | if (!parse_ip_addr_or_hostname (&expr, cfile, 0)) { | |
763adef1 | 986 | skip_to_rbrace (cfile, 1); |
20916cae | 987 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
988 | return; |
989 | } | |
05815916 TL |
990 | option_cache (&cp -> address, |
991 | (struct data_string *)0, expr, | |
d758ad8c | 992 | (struct option *)0, MDL); |
436f1c8c | 993 | expression_dereference (&expr, MDL); |
763adef1 | 994 | break; |
e9623235 | 995 | |
763adef1 | 996 | case PORT: |
b3519f23 | 997 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 998 | if (token != NUMBER) { |
35454d8a | 999 | parse_warn (cfile, "expecting number"); |
763adef1 TL |
1000 | skip_to_rbrace (cfile, 1); |
1001 | } | |
05815916 | 1002 | cp -> port = atoi (val); |
763adef1 | 1003 | break; |
9e9b2261 | 1004 | |
2426234f DH |
1005 | case MAX_LEASE_MISBALANCE: |
1006 | tp = &peer->max_lease_misbalance; | |
1007 | goto parse_idle; | |
1008 | ||
1009 | case MAX_LEASE_OWNERSHIP: | |
1010 | tp = &peer->max_lease_ownership; | |
1011 | goto parse_idle; | |
1012 | ||
1013 | case MAX_BALANCE: | |
1014 | tp = &peer->max_balance; | |
1015 | goto parse_idle; | |
1016 | ||
1017 | case MIN_BALANCE: | |
1018 | tp = &peer->min_balance; | |
1019 | goto parse_idle; | |
1020 | ||
9e3eb22a DH |
1021 | case AUTO_PARTNER_DOWN: |
1022 | tp = &peer->auto_partner_down; | |
1023 | goto parse_idle; | |
1024 | ||
763adef1 | 1025 | case MAX_RESPONSE_DELAY: |
05815916 | 1026 | tp = &cp -> max_response_delay; |
763adef1 | 1027 | parse_idle: |
b3519f23 | 1028 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 1029 | if (token != NUMBER) { |
35454d8a | 1030 | parse_warn (cfile, "expecting number."); |
763adef1 | 1031 | skip_to_rbrace (cfile, 1); |
20916cae | 1032 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1033 | return; |
1034 | } | |
1035 | *tp = atoi (val); | |
9e9b2261 TL |
1036 | break; |
1037 | ||
1038 | case MAX_UNACKED_UPDATES: | |
05815916 | 1039 | tp = &cp -> max_flying_updates; |
9e9b2261 TL |
1040 | goto parse_idle; |
1041 | ||
1042 | case MCLT: | |
1043 | tp = &peer -> mclt; | |
1044 | goto parse_idle; | |
1045 | ||
1046 | case HBA: | |
e9623235 | 1047 | hba_len = 32; |
007e3ee4 TL |
1048 | if (peer -> i_am == secondary) |
1049 | parse_warn (cfile, | |
1050 | "secondary may not define %s", | |
1051 | "load balance settings."); | |
9e9b2261 | 1052 | if (!parse_numeric_aggregate (cfile, hba, &hba_len, |
e9623235 | 1053 | COLON, 16, 8)) { |
9e9b2261 | 1054 | skip_to_rbrace (cfile, 1); |
20916cae | 1055 | dhcp_failover_state_dereference (&peer, MDL); |
9e9b2261 TL |
1056 | return; |
1057 | } | |
e9623235 TL |
1058 | if (hba_len != 32) { |
1059 | parse_warn (cfile, | |
1060 | "HBA must be exactly 32 bytes."); | |
e9623235 TL |
1061 | break; |
1062 | } | |
9e9b2261 | 1063 | make_hba: |
436f1c8c | 1064 | peer -> hba = dmalloc (32, MDL); |
9e9b2261 | 1065 | if (!peer -> hba) { |
436f1c8c TL |
1066 | dfree (peer -> name, MDL); |
1067 | dfree (peer, MDL); | |
9e9b2261 TL |
1068 | } |
1069 | memcpy (peer -> hba, hba, 32); | |
1070 | break; | |
1071 | ||
1072 | case SPLIT: | |
b3519f23 | 1073 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
1074 | if (peer -> i_am == secondary) |
1075 | parse_warn (cfile, | |
1076 | "secondary may not define %s", | |
1077 | "load balance settings."); | |
9e9b2261 TL |
1078 | if (token != NUMBER) { |
1079 | parse_warn (cfile, "expecting number"); | |
1080 | skip_to_rbrace (cfile, 1); | |
20916cae | 1081 | dhcp_failover_state_dereference (&peer, MDL); |
9e9b2261 TL |
1082 | return; |
1083 | } | |
20916cae | 1084 | split = atoi (val); |
2a537542 TM |
1085 | if (split > 256) { |
1086 | parse_warn (cfile, "split must be between " | |
1087 | "0 and 256, inclusive"); | |
9e9b2261 TL |
1088 | } else { |
1089 | memset (hba, 0, sizeof hba); | |
1090 | for (i = 0; i < split; i++) { | |
1091 | if (i < split) | |
1092 | hba [i / 8] |= (1 << (i & 7)); | |
1093 | } | |
1094 | goto make_hba; | |
1095 | } | |
1096 | break; | |
1097 | ||
e9623235 | 1098 | case LOAD: |
b3519f23 | 1099 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1100 | if (token != BALANCE) { |
1101 | parse_warn (cfile, "expecting 'balance'"); | |
1102 | badload: | |
1103 | skip_to_rbrace (cfile, 1); | |
1104 | break; | |
1105 | } | |
b3519f23 | 1106 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1107 | if (token != TOKEN_MAX) { |
1108 | parse_warn (cfile, "expecting 'max'"); | |
1109 | goto badload; | |
1110 | } | |
b3519f23 | 1111 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1112 | if (token != SECONDS) { |
1113 | parse_warn (cfile, "expecting 'secs'"); | |
1114 | goto badload; | |
1115 | } | |
b3519f23 | 1116 | token = next_token (&val, (unsigned *)0, cfile); |
e9623235 TL |
1117 | if (token != NUMBER) { |
1118 | parse_warn (cfile, "expecting number"); | |
1119 | goto badload; | |
1120 | } | |
1121 | peer -> load_balance_max_secs = atoi (val); | |
1122 | break; | |
1123 | ||
763adef1 | 1124 | default: |
35454d8a TL |
1125 | parse_warn (cfile, |
1126 | "invalid statement in peer declaration"); | |
763adef1 | 1127 | skip_to_rbrace (cfile, 1); |
20916cae | 1128 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1129 | return; |
1130 | } | |
e9623235 TL |
1131 | if (token != RBRACE && !parse_semi (cfile)) { |
1132 | skip_to_rbrace (cfile, 1); | |
20916cae | 1133 | dhcp_failover_state_dereference (&peer, MDL); |
e9623235 TL |
1134 | return; |
1135 | } | |
763adef1 | 1136 | } while (token != RBRACE); |
98311e4b DH |
1137 | |
1138 | /* me.address can be null; the failover link initiate code tries to | |
1139 | * derive a reasonable address to use. | |
1140 | */ | |
1141 | if (!peer -> partner.address) | |
1142 | parse_warn (cfile, "peer address may not be omitted"); | |
1143 | ||
d340bc24 DH |
1144 | if (!peer->me.port) |
1145 | peer->me.port = DEFAULT_FAILOVER_PORT; | |
1146 | if (!peer->partner.port) | |
1147 | peer->partner.port = DEFAULT_FAILOVER_PORT; | |
98311e4b DH |
1148 | |
1149 | if (peer -> i_am == primary) { | |
1150 | if (!peer -> hba) { | |
1151 | parse_warn (cfile, | |
007e3ee4 | 1152 | "primary failover server must have hba or split."); |
98311e4b DH |
1153 | } else if (!peer -> mclt) { |
1154 | parse_warn (cfile, | |
1155 | "primary failover server must have mclt."); | |
1156 | } | |
1157 | } | |
007e3ee4 | 1158 | |
2426234f DH |
1159 | if (!peer->max_lease_misbalance) |
1160 | peer->max_lease_misbalance = DEFAULT_MAX_LEASE_MISBALANCE; | |
1161 | if (!peer->max_lease_ownership) | |
1162 | peer->max_lease_ownership = DEFAULT_MAX_LEASE_OWNERSHIP; | |
1163 | if (!peer->max_balance) | |
1164 | peer->max_balance = DEFAULT_MAX_BALANCE_TIME; | |
1165 | if (!peer->min_balance) | |
1166 | peer->min_balance = DEFAULT_MIN_BALANCE_TIME; | |
1167 | if (!peer->me.max_flying_updates) | |
1168 | peer->me.max_flying_updates = DEFAULT_MAX_FLYING_UPDATES; | |
1169 | if (!peer->me.max_response_delay) | |
1170 | peer->me.max_response_delay = DEFAULT_MAX_RESPONSE_DELAY; | |
1171 | ||
1172 | if (type == SHARED_NET_DECL) | |
1173 | group->shared_network->failover_peer = peer; | |
6f8a0361 TL |
1174 | |
1175 | /* Set the initial state. */ | |
1176 | if (peer -> i_am == primary) { | |
1177 | peer -> me.state = recover; | |
1178 | peer -> me.stos = cur_time; | |
1179 | peer -> partner.state = unknown_state; | |
1180 | peer -> partner.stos = cur_time; | |
1181 | } else { | |
1182 | peer -> me.state = recover; | |
1183 | peer -> me.stos = cur_time; | |
1184 | peer -> partner.state = unknown_state; | |
1185 | peer -> partner.stos = cur_time; | |
1186 | } | |
1187 | ||
e9623235 TL |
1188 | status = enter_failover_peer (peer); |
1189 | if (status != ISC_R_SUCCESS) | |
1190 | parse_warn (cfile, "failover peer %s: %s", | |
1191 | peer -> name, isc_result_totext (status)); | |
20916cae | 1192 | dhcp_failover_state_dereference (&peer, MDL); |
763adef1 TL |
1193 | } |
1194 | ||
a4ba3160 TL |
1195 | void parse_failover_state_declaration (struct parse *cfile, |
1196 | dhcp_failover_state_t *peer) | |
1197 | { | |
1198 | enum dhcp_token token; | |
1199 | const char *val; | |
1200 | char *name; | |
1201 | dhcp_failover_state_t *state; | |
05815916 | 1202 | dhcp_failover_config_t *cp; |
a4ba3160 TL |
1203 | |
1204 | if (!peer) { | |
b3519f23 | 1205 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1206 | if (token != PEER) { |
1207 | parse_warn (cfile, "expecting \"peer\""); | |
1208 | skip_to_semi (cfile); | |
1209 | return; | |
1210 | } | |
1211 | ||
b3519f23 | 1212 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1213 | if (is_identifier (token) || token == STRING) { |
1214 | name = dmalloc (strlen (val) + 1, MDL); | |
1215 | if (!name) | |
1216 | log_fatal ("failover peer name %s: no memory", | |
1217 | name); | |
1218 | strcpy (name, val); | |
1219 | } else { | |
1220 | parse_warn (cfile, "expecting failover peer name."); | |
1221 | skip_to_semi (cfile); | |
1222 | return; | |
1223 | } | |
1224 | ||
1225 | /* See if there's a peer declaration by this name. */ | |
1226 | state = (dhcp_failover_state_t *)0; | |
20916cae | 1227 | find_failover_peer (&state, name, MDL); |
a4ba3160 TL |
1228 | if (!state) { |
1229 | parse_warn (cfile, "unknown failover peer: %s", name); | |
1230 | skip_to_semi (cfile); | |
1231 | return; | |
1232 | } | |
1233 | ||
b3519f23 | 1234 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1235 | if (token != STATE) { |
1236 | parse_warn (cfile, "expecting 'state'"); | |
1237 | if (token != SEMI) | |
1238 | skip_to_semi (cfile); | |
1239 | return; | |
1240 | } | |
20916cae TL |
1241 | } else { |
1242 | state = (dhcp_failover_state_t *)0; | |
1243 | dhcp_failover_state_reference (&state, peer, MDL); | |
1244 | } | |
b3519f23 | 1245 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1246 | if (token != LBRACE) { |
1247 | parse_warn (cfile, "expecting left brace"); | |
1248 | if (token != SEMI) | |
1249 | skip_to_semi (cfile); | |
20916cae | 1250 | dhcp_failover_state_dereference (&state, MDL); |
a4ba3160 TL |
1251 | return; |
1252 | } | |
1253 | do { | |
b3519f23 | 1254 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1255 | switch (token) { |
1256 | case RBRACE: | |
1257 | break; | |
1258 | case MY: | |
05815916 TL |
1259 | cp = &state -> me; |
1260 | do_state: | |
b3519f23 | 1261 | token = next_token (&val, (unsigned *)0, cfile); |
a4ba3160 TL |
1262 | if (token != STATE) { |
1263 | parse_warn (cfile, "expecting 'state'"); | |
20916cae | 1264 | goto bogus; |
a4ba3160 TL |
1265 | } |
1266 | parse_failover_state (cfile, | |
05815916 | 1267 | &cp -> state, &cp -> stos); |
a4ba3160 | 1268 | break; |
05815916 | 1269 | |
a4ba3160 | 1270 | case PARTNER: |
05815916 TL |
1271 | cp = &state -> partner; |
1272 | goto do_state; | |
1273 | ||
d758ad8c TL |
1274 | case MCLT: |
1275 | if (state -> i_am == primary) { | |
1276 | parse_warn (cfile, | |
1277 | "mclt not valid for primary"); | |
1278 | goto bogus; | |
1279 | } | |
1280 | token = next_token (&val, (unsigned *)0, cfile); | |
1281 | if (token != NUMBER) { | |
1282 | parse_warn (cfile, "expecting a number."); | |
1283 | goto bogus; | |
1284 | } | |
1285 | state -> mclt = atoi (val); | |
1286 | parse_semi (cfile); | |
1287 | break; | |
1288 | ||
a4ba3160 TL |
1289 | default: |
1290 | parse_warn (cfile, "expecting state setting."); | |
d758ad8c | 1291 | bogus: |
20916cae TL |
1292 | skip_to_rbrace (cfile, 1); |
1293 | dhcp_failover_state_dereference (&state, MDL); | |
a4ba3160 TL |
1294 | return; |
1295 | } | |
1296 | } while (token != RBRACE); | |
20916cae | 1297 | dhcp_failover_state_dereference (&state, MDL); |
a4ba3160 TL |
1298 | } |
1299 | ||
9e9b2261 | 1300 | void parse_failover_state (cfile, state, stos) |
35454d8a | 1301 | struct parse *cfile; |
9e9b2261 TL |
1302 | enum failover_state *state; |
1303 | TIME *stos; | |
763adef1 TL |
1304 | { |
1305 | enum dhcp_token token; | |
b1b7b521 | 1306 | const char *val; |
9e9b2261 TL |
1307 | enum failover_state state_in; |
1308 | TIME stos_in; | |
763adef1 | 1309 | |
b3519f23 | 1310 | token = next_token (&val, (unsigned *)0, cfile); |
763adef1 | 1311 | switch (token) { |
05815916 TL |
1312 | case UNKNOWN_STATE: |
1313 | state_in = unknown_state; | |
1314 | break; | |
1315 | ||
763adef1 | 1316 | case PARTNER_DOWN: |
9e9b2261 TL |
1317 | state_in = partner_down; |
1318 | break; | |
1319 | ||
763adef1 | 1320 | case NORMAL: |
9e9b2261 TL |
1321 | state_in = normal; |
1322 | break; | |
1323 | ||
763adef1 | 1324 | case COMMUNICATIONS_INTERRUPTED: |
9e9b2261 TL |
1325 | state_in = communications_interrupted; |
1326 | break; | |
1327 | ||
792156a9 DH |
1328 | case CONFLICT_DONE: |
1329 | state_in = conflict_done; | |
1330 | break; | |
1331 | ||
9a092d2e TL |
1332 | case RESOLUTION_INTERRUPTED: |
1333 | state_in = resolution_interrupted; | |
a4ba3160 TL |
1334 | break; |
1335 | ||
05815916 TL |
1336 | case POTENTIAL_CONFLICT: |
1337 | state_in = potential_conflict; | |
1338 | break; | |
1339 | ||
763adef1 | 1340 | case RECOVER: |
9e9b2261 TL |
1341 | state_in = recover; |
1342 | break; | |
a4ba3160 | 1343 | |
3417f5cf TL |
1344 | case RECOVER_WAIT: |
1345 | state_in = recover_wait; | |
1346 | break; | |
1347 | ||
05815916 TL |
1348 | case RECOVER_DONE: |
1349 | state_in = recover_done; | |
1350 | break; | |
1351 | ||
1352 | case SHUTDOWN: | |
1353 | state_in = shut_down; | |
1354 | break; | |
1355 | ||
1356 | case PAUSED: | |
1357 | state_in = paused; | |
1358 | break; | |
1359 | ||
1360 | case STARTUP: | |
1361 | state_in = startup; | |
a4ba3160 | 1362 | break; |
9e9b2261 | 1363 | |
763adef1 | 1364 | default: |
35454d8a | 1365 | parse_warn (cfile, "unknown failover state"); |
9e9b2261 TL |
1366 | skip_to_semi (cfile); |
1367 | return; | |
763adef1 | 1368 | } |
9e9b2261 | 1369 | |
b3519f23 | 1370 | token = next_token (&val, (unsigned *)0, cfile); |
6f8a0361 TL |
1371 | if (token == SEMI) { |
1372 | stos_in = cur_time; | |
1373 | } else { | |
1374 | if (token != AT) { | |
1375 | parse_warn (cfile, "expecting \"at\""); | |
1376 | skip_to_semi (cfile); | |
1377 | return; | |
1378 | } | |
1379 | ||
1380 | stos_in = parse_date (cfile); | |
1381 | if (!stos_in) | |
1382 | return; | |
9e9b2261 TL |
1383 | } |
1384 | ||
6f8a0361 TL |
1385 | /* Now that we've apparently gotten a clean parse, we |
1386 | can trust that this is a state that was fully committed to | |
1387 | disk, so we can install it. */ | |
9e9b2261 TL |
1388 | *stos = stos_in; |
1389 | *state = state_in; | |
763adef1 TL |
1390 | } |
1391 | #endif /* defined (FAILOVER_PROTOCOL) */ | |
1392 | ||
01fa619f SR |
1393 | /*! |
1394 | * | |
1395 | * \brief Parse allow and deny statements | |
1396 | * | |
1397 | * This function handles the common processing code for permit and deny | |
1398 | * statements in the parse_pool_statement and parse_pool6_statement functions. | |
1399 | * It reads in the configuration and constructs a new permit structure that it | |
1400 | * attachs to the permit_head passed in from the caller. | |
1401 | * | |
1402 | * The allow or deny token should already be consumed, this function expects | |
1403 | * one of the following: | |
1404 | * known-clients; | |
1405 | * unknown-clients; | |
1406 | * known clients; | |
1407 | * unknown clients; | |
1408 | * authenticated clients; | |
1409 | * unauthenticated clients; | |
1410 | * all clients; | |
1411 | * dynamic bootp clients; | |
1412 | * members of <class name>; | |
1413 | * after <date>; | |
1414 | * | |
1415 | * \param[in] cfile = the configuration file being parsed | |
1416 | * \param[in] permit_head = the head of the permit list (permit or prohibit) | |
1417 | * to which to attach the newly created permit structure | |
1418 | * \param[in] is_allow = 1 if this is being invoked for an allow statement | |
1419 | * = 0 if this is being invoked for a deny statement | |
1420 | * \param[in] valid_from = pointers to the time values from the enclosing pool | |
1421 | * \param[in] valid_until or pond structure. One of them will be filled in if | |
1422 | * the configuration includes an "after" clause | |
1423 | */ | |
1424 | ||
1425 | void get_permit(cfile, permit_head, is_allow, valid_from, valid_until) | |
1426 | struct parse *cfile; | |
1427 | struct permit **permit_head; | |
1428 | int is_allow; | |
1429 | TIME *valid_from, *valid_until; | |
1430 | { | |
1431 | enum dhcp_token token; | |
1432 | struct permit *permit; | |
1433 | const char *val; | |
1434 | int need_clients = 1; | |
1435 | TIME t; | |
1436 | ||
1437 | /* Create our permit structure */ | |
1438 | permit = new_permit(MDL); | |
1439 | if (!permit) | |
1440 | log_fatal ("no memory for permit"); | |
1441 | ||
1442 | token = next_token(&val, NULL, cfile); | |
1443 | switch (token) { | |
1444 | case UNKNOWN: | |
1445 | permit->type = permit_unknown_clients; | |
1446 | break; | |
1447 | ||
1448 | case KNOWN_CLIENTS: | |
1449 | need_clients = 0; | |
1450 | permit->type = permit_known_clients; | |
1451 | break; | |
1452 | ||
1453 | case UNKNOWN_CLIENTS: | |
1454 | need_clients = 0; | |
1455 | permit->type = permit_unknown_clients; | |
1456 | break; | |
1457 | ||
1458 | case KNOWN: | |
1459 | permit->type = permit_known_clients; | |
1460 | break; | |
1461 | ||
1462 | case AUTHENTICATED: | |
1463 | permit->type = permit_authenticated_clients; | |
1464 | break; | |
1465 | ||
1466 | case UNAUTHENTICATED: | |
1467 | permit->type = permit_unauthenticated_clients; | |
1468 | break; | |
1469 | ||
1470 | case ALL: | |
1471 | permit->type = permit_all_clients; | |
1472 | break; | |
1473 | ||
1474 | case DYNAMIC: | |
1475 | permit->type = permit_dynamic_bootp_clients; | |
1476 | if (next_token (&val, NULL, cfile) != TOKEN_BOOTP) { | |
1477 | parse_warn (cfile, "expecting \"bootp\""); | |
1478 | skip_to_semi (cfile); | |
1479 | free_permit (permit, MDL); | |
1480 | return; | |
1481 | } | |
1482 | break; | |
1483 | ||
1484 | case MEMBERS: | |
1485 | need_clients = 0; | |
1486 | if (next_token (&val, NULL, cfile) != OF) { | |
1487 | parse_warn (cfile, "expecting \"of\""); | |
1488 | skip_to_semi (cfile); | |
1489 | free_permit (permit, MDL); | |
1490 | return; | |
1491 | } | |
1492 | if (next_token (&val, NULL, cfile) != STRING) { | |
1493 | parse_warn (cfile, "expecting class name."); | |
1494 | skip_to_semi (cfile); | |
1495 | free_permit (permit, MDL); | |
1496 | return; | |
1497 | } | |
1498 | permit->type = permit_class; | |
1499 | permit->class = NULL; | |
1500 | find_class(&permit->class, val, MDL); | |
1501 | if (!permit->class) | |
1502 | parse_warn(cfile, "no such class: %s", val); | |
1503 | break; | |
1504 | ||
1505 | case AFTER: | |
1506 | need_clients = 0; | |
1507 | if (*valid_from || *valid_until) { | |
1508 | parse_warn(cfile, "duplicate \"after\" clause."); | |
1509 | skip_to_semi(cfile); | |
1510 | free_permit(permit, MDL); | |
1511 | return; | |
1512 | } | |
1513 | t = parse_date_core(cfile); | |
1514 | permit->type = permit_after; | |
1515 | permit->after = t; | |
1516 | if (is_allow) { | |
1517 | *valid_from = t; | |
1518 | } else { | |
1519 | *valid_until = t; | |
1520 | } | |
1521 | break; | |
1522 | ||
1523 | default: | |
1524 | parse_warn (cfile, "expecting permit type."); | |
1525 | skip_to_semi (cfile); | |
1526 | free_permit (permit, MDL); | |
1527 | return; | |
1528 | } | |
1529 | ||
1530 | /* | |
1531 | * The need_clients flag is set if we are expecting the | |
1532 | * CLIENTS token | |
1533 | */ | |
1534 | if ((need_clients != 0) && | |
1535 | (next_token (&val, NULL, cfile) != CLIENTS)) { | |
1536 | parse_warn (cfile, "expecting \"clients\""); | |
1537 | skip_to_semi (cfile); | |
1538 | free_permit (permit, MDL); | |
1539 | return; | |
1540 | } | |
1541 | ||
1542 | while (*permit_head) | |
1543 | permit_head = &((*permit_head)->next); | |
1544 | *permit_head = permit; | |
1545 | parse_semi (cfile); | |
1546 | ||
1547 | return; | |
1548 | } | |
1549 | ||
98311e4b DH |
1550 | /* Permit_list_match returns 1 if every element of the permit list in lhs |
1551 | also appears in rhs. Note that this doesn't by itself mean that the | |
1552 | two lists are equal - to check for equality, permit_list_match has to | |
1553 | return 1 with (list1, list2) and with (list2, list1). */ | |
1554 | ||
1555 | int permit_list_match (struct permit *lhs, struct permit *rhs) | |
1556 | { | |
1557 | struct permit *plp, *prp; | |
1558 | int matched; | |
1559 | ||
1560 | if (!lhs) | |
1561 | return 1; | |
1562 | if (!rhs) | |
1563 | return 0; | |
1564 | for (plp = lhs; plp; plp = plp -> next) { | |
1565 | matched = 0; | |
1566 | for (prp = rhs; prp; prp = prp -> next) { | |
1567 | if (prp -> type == plp -> type && | |
1568 | (prp -> type != permit_class || | |
1569 | prp -> class == plp -> class)) { | |
1570 | matched = 1; | |
1571 | break; | |
1572 | } | |
1573 | } | |
1574 | if (!matched) | |
1575 | return 0; | |
1576 | } | |
1577 | return 1; | |
1578 | } | |
1579 | ||
01fa619f SR |
1580 | /*! |
1581 | * | |
1582 | * \brief Parse a pool statement | |
1583 | * | |
1584 | * Pool statements are used to group declarations and permit & deny information | |
1585 | * with a specific address range. They must be declared within a shared network | |
1586 | * or subnet and there may be multiple pools withing a shared network or subnet. | |
1587 | * Each pool may have a different set of permit or deny options. | |
1588 | * | |
1589 | * \param[in] cfile = the configuration file being parsed | |
1590 | * \param[in] group = the group structure for this pool | |
1591 | * \param[in] type = the type of the enclosing statement. This must be | |
1592 | * SHARED_NET_DECL or SUBNET_DECL for this function. | |
1593 | * | |
1594 | * \return | |
1595 | * void - This function either parses the statement and updates the structures | |
1596 | * or it generates an error message and possible halts the program if | |
1597 | * it encounters a problem. | |
1598 | */ | |
f63b4929 | 1599 | void parse_pool_statement (cfile, group, type) |
35454d8a | 1600 | struct parse *cfile; |
f63b4929 TL |
1601 | struct group *group; |
1602 | int type; | |
1603 | { | |
1604 | enum dhcp_token token; | |
b1b7b521 | 1605 | const char *val; |
f63b4929 | 1606 | int done = 0; |
98311e4b | 1607 | struct pool *pool, **p, *pp; |
74f45f96 | 1608 | int declaration = 0; |
e9623235 | 1609 | isc_result_t status; |
01fa619f | 1610 | struct lease *lpchain = NULL, *lp; |
f63b4929 | 1611 | |
01fa619f SR |
1612 | pool = NULL; |
1613 | status = pool_allocate(&pool, MDL); | |
20916cae | 1614 | if (status != ISC_R_SUCCESS) |
6ceb9118 TL |
1615 | log_fatal ("no memory for pool: %s", |
1616 | isc_result_totext (status)); | |
f63b4929 | 1617 | |
9e9b2261 | 1618 | if (type == SUBNET_DECL) |
01fa619f SR |
1619 | shared_network_reference(&pool->shared_network, |
1620 | group->subnet->shared_network, | |
1621 | MDL); | |
75eaa6ff | 1622 | else if (type == SHARED_NET_DECL) |
01fa619f SR |
1623 | shared_network_reference(&pool->shared_network, |
1624 | group->shared_network, MDL); | |
75eaa6ff EH |
1625 | else { |
1626 | parse_warn(cfile, "Dynamic pools are only valid inside " | |
1627 | "subnet or shared-network statements."); | |
1628 | skip_to_semi(cfile); | |
1629 | return; | |
1630 | } | |
9e9b2261 | 1631 | |
75eaa6ff EH |
1632 | if (pool->shared_network == NULL || |
1633 | !clone_group(&pool->group, pool->shared_network->group, MDL)) | |
1634 | log_fatal("can't clone pool group."); | |
98311e4b | 1635 | |
22009f79 | 1636 | #if defined (FAILOVER_PROTOCOL) |
9e9b2261 | 1637 | /* Inherit the failover peer from the shared network. */ |
01fa619f | 1638 | if (pool->shared_network->failover_peer) |
20916cae | 1639 | dhcp_failover_state_reference |
01fa619f SR |
1640 | (&pool->failover_peer, |
1641 | pool->shared_network->failover_peer, MDL); | |
22009f79 | 1642 | #endif |
9e9b2261 | 1643 | |
01fa619f SR |
1644 | if (!parse_lbrace(cfile)) { |
1645 | pool_dereference(&pool, MDL); | |
f63b4929 | 1646 | return; |
20916cae TL |
1647 | } |
1648 | ||
f63b4929 | 1649 | do { |
01fa619f | 1650 | token = peek_token(&val, NULL, cfile); |
e5e41be4 | 1651 | switch (token) { |
8da06bb1 | 1652 | case TOKEN_NO: |
01fa619f SR |
1653 | skip_token(&val, NULL, cfile); |
1654 | token = next_token(&val, NULL, cfile); | |
9e9b2261 | 1655 | if (token != FAILOVER || |
01fa619f SR |
1656 | (token = next_token(&val, NULL, cfile)) != PEER) { |
1657 | parse_warn(cfile, | |
1658 | "expecting \"failover peer\"."); | |
1659 | skip_to_semi(cfile); | |
9e9b2261 TL |
1660 | continue; |
1661 | } | |
22009f79 | 1662 | #if defined (FAILOVER_PROTOCOL) |
01fa619f | 1663 | if (pool->failover_peer) |
20916cae | 1664 | dhcp_failover_state_dereference |
01fa619f | 1665 | (&pool->failover_peer, MDL); |
22009f79 | 1666 | #endif |
9e9b2261 TL |
1667 | break; |
1668 | ||
a4ba3160 | 1669 | #if defined (FAILOVER_PROTOCOL) |
e9623235 | 1670 | case FAILOVER: |
01fa619f SR |
1671 | skip_token(&val, NULL, cfile); |
1672 | token = next_token (&val, NULL, cfile); | |
e9623235 | 1673 | if (token != PEER) { |
01fa619f SR |
1674 | parse_warn(cfile, "expecting 'peer'."); |
1675 | skip_to_semi(cfile); | |
e9623235 TL |
1676 | break; |
1677 | } | |
01fa619f | 1678 | token = next_token(&val, NULL, cfile); |
e9623235 | 1679 | if (token != STRING) { |
01fa619f SR |
1680 | parse_warn(cfile, "expecting string."); |
1681 | skip_to_semi(cfile); | |
e9623235 TL |
1682 | break; |
1683 | } | |
01fa619f | 1684 | if (pool->failover_peer) |
20916cae | 1685 | dhcp_failover_state_dereference |
01fa619f SR |
1686 | (&pool->failover_peer, MDL); |
1687 | status = find_failover_peer(&pool->failover_peer, | |
1688 | val, MDL); | |
e9623235 | 1689 | if (status != ISC_R_SUCCESS) |
01fa619f SR |
1690 | parse_warn(cfile, |
1691 | "failover peer %s: %s", val, | |
1692 | isc_result_totext (status)); | |
a609e69b | 1693 | else |
01fa619f SR |
1694 | pool->failover_peer->pool_count++; |
1695 | parse_semi(cfile); | |
e9623235 | 1696 | break; |
a4ba3160 | 1697 | #endif |
e9623235 | 1698 | |
f63b4929 | 1699 | case RANGE: |
01fa619f | 1700 | skip_token(&val, NULL, cfile); |
98311e4b DH |
1701 | parse_address_range (cfile, group, type, |
1702 | pool, &lpchain); | |
f63b4929 TL |
1703 | break; |
1704 | case ALLOW: | |
01fa619f SR |
1705 | skip_token(&val, NULL, cfile); |
1706 | get_permit(cfile, &pool->permit_list, 1, | |
1707 | &pool->valid_from, &pool->valid_until); | |
f63b4929 TL |
1708 | break; |
1709 | ||
1710 | case DENY: | |
01fa619f SR |
1711 | skip_token(&val, NULL, cfile); |
1712 | get_permit(cfile, &pool->prohibit_list, 0, | |
1713 | &pool->valid_from, &pool->valid_until); | |
1714 | break; | |
f63b4929 TL |
1715 | |
1716 | case RBRACE: | |
01fa619f | 1717 | skip_token(&val, NULL, cfile); |
f63b4929 TL |
1718 | done = 1; |
1719 | break; | |
1720 | ||
237f8d3a SK |
1721 | case END_OF_FILE: |
1722 | /* | |
1723 | * We can get to END_OF_FILE if, for instance, | |
1724 | * the parse_statement() reads all available tokens | |
1725 | * and leaves us at the end. | |
1726 | */ | |
2914245e | 1727 | parse_warn(cfile, "unexpected end of file"); |
237f8d3a SK |
1728 | goto cleanup; |
1729 | ||
f63b4929 | 1730 | default: |
01fa619f SR |
1731 | declaration = parse_statement(cfile, pool->group, |
1732 | POOL_DECL, NULL, | |
74f45f96 | 1733 | declaration); |
f63b4929 TL |
1734 | break; |
1735 | } | |
1736 | } while (!done); | |
1737 | ||
98311e4b | 1738 | /* See if there's already a pool into which we can merge this one. */ |
01fa619f SR |
1739 | for (pp = pool->shared_network->pools; pp; pp = pp->next) { |
1740 | if (pp->group->statements != pool->group->statements) | |
98311e4b DH |
1741 | continue; |
1742 | #if defined (FAILOVER_PROTOCOL) | |
01fa619f | 1743 | if (pool->failover_peer != pp->failover_peer) |
98311e4b DH |
1744 | continue; |
1745 | #endif | |
01fa619f SR |
1746 | if (!permit_list_match(pp->permit_list, |
1747 | pool->permit_list) || | |
1748 | !permit_list_match(pool->permit_list, | |
1749 | pp->permit_list) || | |
1750 | !permit_list_match(pp->prohibit_list, | |
1751 | pool->prohibit_list) || | |
1752 | !permit_list_match(pool->prohibit_list, | |
1753 | pp->prohibit_list)) | |
98311e4b DH |
1754 | continue; |
1755 | ||
1756 | /* Okay, we can merge these two pools. All we have to | |
1757 | do is fix up the leases, which all point to their pool. */ | |
01fa619f SR |
1758 | for (lp = lpchain; lp; lp = lp->next) { |
1759 | pool_dereference(&lp->pool, MDL); | |
1760 | pool_reference(&lp->pool, pp, MDL); | |
98311e4b | 1761 | } |
3933e2aa SR |
1762 | |
1763 | #if defined (BINARY_LEASES) | |
1764 | /* If we are doing binary leases we also need to add the | |
1765 | * addresses in for leasechain allocation. | |
1766 | */ | |
1767 | pp->lease_count += pool->lease_count; | |
1768 | #endif | |
1769 | ||
98311e4b DH |
1770 | break; |
1771 | } | |
1772 | ||
1773 | /* If we didn't succeed in merging this pool into another, put | |
1774 | it on the list. */ | |
1775 | if (!pp) { | |
01fa619f SR |
1776 | p = &pool->shared_network->pools; |
1777 | for (; *p; p = &((*p)->next)) | |
98311e4b | 1778 | ; |
01fa619f | 1779 | pool_reference(p, pool, MDL); |
98311e4b DH |
1780 | } |
1781 | ||
1782 | /* Don't allow a pool declaration with no addresses, since it is | |
1783 | probably a configuration error. */ | |
1784 | if (!lpchain) { | |
01fa619f SR |
1785 | parse_warn(cfile, "Pool declaration with no address range."); |
1786 | log_error("Pool declarations must always contain at least"); | |
1787 | log_error("one range statement."); | |
98311e4b DH |
1788 | } |
1789 | ||
237f8d3a | 1790 | cleanup: |
98311e4b | 1791 | /* Dereference the lease chain. */ |
01fa619f | 1792 | lp = NULL; |
98311e4b | 1793 | while (lpchain) { |
01fa619f SR |
1794 | lease_reference(&lp, lpchain, MDL); |
1795 | lease_dereference(&lpchain, MDL); | |
1796 | if (lp->next) { | |
1797 | lease_reference(&lpchain, lp->next, MDL); | |
1798 | lease_dereference(&lp->next, MDL); | |
1799 | lease_dereference(&lp, MDL); | |
98311e4b DH |
1800 | } |
1801 | } | |
01fa619f | 1802 | pool_dereference(&pool, MDL); |
f63b4929 TL |
1803 | } |
1804 | ||
7dfc8ac2 TL |
1805 | /* Expect a left brace; if there isn't one, skip over the rest of the |
1806 | statement and return zero; otherwise, return 1. */ | |
1807 | ||
1808 | int parse_lbrace (cfile) | |
35454d8a | 1809 | struct parse *cfile; |
7dfc8ac2 | 1810 | { |
6f8fb41f | 1811 | enum dhcp_token token; |
b1b7b521 | 1812 | const char *val; |
7dfc8ac2 | 1813 | |
b3519f23 | 1814 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 1815 | if (token != LBRACE) { |
35454d8a | 1816 | parse_warn (cfile, "expecting left brace."); |
7dfc8ac2 TL |
1817 | skip_to_semi (cfile); |
1818 | return 0; | |
1819 | } | |
1820 | return 1; | |
d7837182 TL |
1821 | } |
1822 | ||
7dfc8ac2 | 1823 | |
2d59f590 | 1824 | /* host-declaration :== hostname RBRACE parameters declarations LBRACE */ |
d7837182 | 1825 | |
2d59f590 | 1826 | void parse_host_declaration (cfile, group) |
35454d8a | 1827 | struct parse *cfile; |
7dfc8ac2 | 1828 | struct group *group; |
d7837182 | 1829 | { |
b1b7b521 | 1830 | const char *val; |
6f8fb41f | 1831 | enum dhcp_token token; |
7dfc8ac2 | 1832 | struct host_decl *host; |
f3c3d674 | 1833 | char *name; |
2d59f590 | 1834 | int declaration = 0; |
612fded7 | 1835 | int dynamicp = 0; |
ff129930 | 1836 | int deleted = 0; |
92ce3f81 | 1837 | isc_result_t status; |
98bd7ca0 DH |
1838 | int known; |
1839 | struct option *option; | |
b55d0d5f | 1840 | struct expression *expr = NULL; |
7dfc8ac2 | 1841 | |
20916cae | 1842 | name = parse_host_name (cfile); |
6c5223f5 TL |
1843 | if (!name) { |
1844 | parse_warn (cfile, "expecting a name for host declaration."); | |
1845 | skip_to_semi (cfile); | |
20916cae | 1846 | return; |
6c5223f5 | 1847 | } |
7dfc8ac2 | 1848 | |
20916cae TL |
1849 | host = (struct host_decl *)0; |
1850 | status = host_allocate (&host, MDL); | |
1851 | if (status != ISC_R_SUCCESS) | |
1852 | log_fatal ("can't allocate host decl struct %s: %s", | |
1853 | name, isc_result_totext (status)); | |
7dfc8ac2 | 1854 | host -> name = name; |
f84d544b TL |
1855 | if (!clone_group (&host -> group, group, MDL)) { |
1856 | log_fatal ("can't clone group for host %s", name); | |
20916cae TL |
1857 | boom: |
1858 | host_dereference (&host, MDL); | |
1859 | return; | |
1860 | } | |
7dfc8ac2 TL |
1861 | |
1862 | if (!parse_lbrace (cfile)) | |
20916cae | 1863 | goto boom; |
d7837182 | 1864 | |
d7837182 | 1865 | do { |
b3519f23 | 1866 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 1867 | if (token == RBRACE) { |
dc9d7b08 | 1868 | skip_token(&val, (unsigned *)0, cfile); |
d7837182 TL |
1869 | break; |
1870 | } | |
0b69dcc8 | 1871 | if (token == END_OF_FILE) { |
dc9d7b08 | 1872 | skip_token(&val, (unsigned *)0, cfile); |
35454d8a | 1873 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 TL |
1874 | break; |
1875 | } | |
612fded7 TL |
1876 | /* If the host declaration was created by the server, |
1877 | remember to save it. */ | |
1878 | if (token == DYNAMIC) { | |
1879 | dynamicp = 1; | |
dc9d7b08 | 1880 | skip_token(&val, (unsigned *)0, cfile); |
612fded7 TL |
1881 | if (!parse_semi (cfile)) |
1882 | break; | |
1883 | continue; | |
1884 | } | |
ff129930 TL |
1885 | /* If the host declaration was created by the server, |
1886 | remember to save it. */ | |
007e3ee4 | 1887 | if (token == TOKEN_DELETED) { |
ff129930 | 1888 | deleted = 1; |
dc9d7b08 | 1889 | skip_token(&val, (unsigned *)0, cfile); |
ff129930 TL |
1890 | if (!parse_semi (cfile)) |
1891 | break; | |
1892 | continue; | |
1893 | } | |
29c35bed TL |
1894 | |
1895 | if (token == GROUP) { | |
1896 | struct group_object *go; | |
dc9d7b08 | 1897 | skip_token(&val, (unsigned *)0, cfile); |
b3519f23 | 1898 | token = next_token (&val, (unsigned *)0, cfile); |
29c35bed | 1899 | if (token != STRING && !is_identifier (token)) { |
35454d8a TL |
1900 | parse_warn (cfile, |
1901 | "expecting string or identifier."); | |
29c35bed TL |
1902 | skip_to_rbrace (cfile, 1); |
1903 | break; | |
1904 | } | |
20916cae TL |
1905 | go = (struct group_object *)0; |
1906 | if (!group_hash_lookup (&go, group_name_hash, | |
1907 | val, strlen (val), MDL)) { | |
35454d8a TL |
1908 | parse_warn (cfile, "unknown group %s in host %s", |
1909 | val, host -> name); | |
29c35bed TL |
1910 | } else { |
1911 | if (host -> named_group) | |
20916cae TL |
1912 | group_object_dereference |
1913 | (&host -> named_group, MDL); | |
1914 | group_object_reference (&host -> named_group, | |
1915 | go, MDL); | |
1916 | group_object_dereference (&go, MDL); | |
29c35bed TL |
1917 | } |
1918 | if (!parse_semi (cfile)) | |
1919 | break; | |
1920 | continue; | |
1921 | } | |
1922 | ||
1923 | if (token == UID) { | |
b1b7b521 | 1924 | const char *s; |
29c35bed | 1925 | unsigned char *t = 0; |
b1b7b521 | 1926 | unsigned len; |
29c35bed | 1927 | |
dc9d7b08 | 1928 | skip_token(&val, (unsigned *)0, cfile); |
436f1c8c | 1929 | data_string_forget (&host -> client_identifier, MDL); |
29c35bed | 1930 | |
2178df03 DH |
1931 | if (host->client_identifier.len != 0) { |
1932 | parse_warn(cfile, "Host %s already has a " | |
1933 | "client identifier.", | |
1934 | host->name); | |
1935 | break; | |
1936 | } | |
1937 | ||
29c35bed | 1938 | /* See if it's a string or a cshl. */ |
b3519f23 | 1939 | token = peek_token (&val, (unsigned *)0, cfile); |
29c35bed | 1940 | if (token == STRING) { |
dc9d7b08 | 1941 | skip_token(&val, &len, cfile); |
29c35bed | 1942 | s = val; |
29c35bed TL |
1943 | host -> client_identifier.terminated = 1; |
1944 | } else { | |
1945 | len = 0; | |
1946 | t = parse_numeric_aggregate | |
1947 | (cfile, | |
1948 | (unsigned char *)0, &len, ':', 16, 8); | |
1949 | if (!t) { | |
35454d8a TL |
1950 | parse_warn (cfile, |
1951 | "expecting hex list."); | |
29c35bed TL |
1952 | skip_to_semi (cfile); |
1953 | } | |
b1b7b521 | 1954 | s = (const char *)t; |
29c35bed TL |
1955 | } |
1956 | if (!buffer_allocate | |
1957 | (&host -> client_identifier.buffer, | |
436f1c8c | 1958 | len + host -> client_identifier.terminated, MDL)) |
29c35bed TL |
1959 | log_fatal ("no memory for uid for host %s.", |
1960 | host -> name); | |
1961 | host -> client_identifier.data = | |
1962 | host -> client_identifier.buffer -> data; | |
1963 | host -> client_identifier.len = len; | |
b1b7b521 | 1964 | memcpy (host -> client_identifier.buffer -> data, s, |
29c35bed TL |
1965 | len + host -> client_identifier.terminated); |
1966 | if (t) | |
436f1c8c | 1967 | dfree (t, MDL); |
29c35bed TL |
1968 | |
1969 | if (!parse_semi (cfile)) | |
1970 | break; | |
1971 | continue; | |
1972 | } | |
b55d0d5f | 1973 | |
98bd7ca0 DH |
1974 | if (token == HOST_IDENTIFIER) { |
1975 | if (host->host_id_option != NULL) { | |
1976 | parse_warn(cfile, | |
1977 | "only one host-identifier allowed " | |
1978 | "per host"); | |
1979 | skip_to_rbrace(cfile, 1); | |
1980 | break; | |
1981 | } | |
dc9d7b08 | 1982 | skip_token(&val, NULL, cfile); |
98bd7ca0 | 1983 | token = next_token(&val, NULL, cfile); |
619304cd SR |
1984 | if (token == V6RELOPT) { |
1985 | token = next_token(&val, NULL, cfile); | |
1986 | if (token != NUMBER) { | |
1987 | parse_warn(cfile, | |
1988 | "host-identifier v6relopt " | |
1989 | "must have a number"); | |
1990 | skip_to_rbrace(cfile, 1); | |
1991 | break; | |
1992 | } | |
1993 | host->relays = atoi(val); | |
1994 | if (host->relays < 0) { | |
1995 | parse_warn(cfile, | |
c35b3891 | 1996 | "host-identifier v6relopt " |
619304cd SR |
1997 | "must have a number >= 0"); |
1998 | skip_to_rbrace(cfile, 1); | |
1999 | break; | |
2000 | } | |
2001 | } else if (token != OPTION) { | |
98bd7ca0 | 2002 | parse_warn(cfile, |
619304cd SR |
2003 | "host-identifier must be an option" |
2004 | " or v6relopt"); | |
98bd7ca0 DH |
2005 | skip_to_rbrace(cfile, 1); |
2006 | break; | |
2007 | } | |
2008 | known = 0; | |
2009 | option = NULL; | |
2010 | status = parse_option_name(cfile, 1, &known, &option); | |
2011 | if ((status != ISC_R_SUCCESS) || (option == NULL)) { | |
2012 | break; | |
2013 | } | |
2014 | if (!known) { | |
2015 | parse_warn(cfile, "unknown option %s.%s", | |
2016 | option->universe->name, | |
2017 | option->name); | |
2018 | skip_to_rbrace(cfile, 1); | |
2019 | break; | |
2020 | } | |
2021 | ||
b55d0d5f EH |
2022 | if (! parse_option_data(&expr, cfile, 1, option)) { |
2023 | skip_to_rbrace(cfile, 1); | |
2024 | option_dereference(&option, MDL); | |
2025 | break; | |
2026 | } | |
2027 | ||
98bd7ca0 DH |
2028 | if (!parse_semi(cfile)) { |
2029 | skip_to_rbrace(cfile, 1); | |
2030 | expression_dereference(&expr, MDL); | |
2031 | option_dereference(&option, MDL); | |
2032 | break; | |
2033 | } | |
2034 | ||
2035 | option_reference(&host->host_id_option, option, MDL); | |
2036 | option_dereference(&option, MDL); | |
2037 | data_string_copy(&host->host_id, | |
2038 | &expr->data.const_data, MDL); | |
2039 | expression_dereference(&expr, MDL); | |
2040 | continue; | |
2041 | } | |
2042 | ||
b55d0d5f EH |
2043 | declaration = parse_statement(cfile, host->group, HOST_DECL, |
2044 | host, declaration); | |
d7837182 | 2045 | } while (1); |
7dfc8ac2 | 2046 | |
ff129930 | 2047 | if (deleted) { |
20916cae TL |
2048 | struct host_decl *hp = (struct host_decl *)0; |
2049 | if (host_hash_lookup (&hp, host_name_hash, | |
2050 | (unsigned char *)host -> name, | |
2051 | strlen (host -> name), MDL)) { | |
ff129930 | 2052 | delete_host (hp, 0); |
20916cae | 2053 | host_dereference (&hp, MDL); |
ff129930 | 2054 | } |
ff129930 | 2055 | } else { |
29c35bed TL |
2056 | if (host -> named_group && host -> named_group -> group) { |
2057 | if (host -> group -> statements || | |
2058 | (host -> group -> authoritative != | |
b83bf1d1 TL |
2059 | host -> named_group -> group -> authoritative)) { |
2060 | if (host -> group -> next) | |
2061 | group_dereference (&host -> group -> next, | |
2062 | MDL); | |
20916cae TL |
2063 | group_reference (&host -> group -> next, |
2064 | host -> named_group -> group, | |
2065 | MDL); | |
b83bf1d1 | 2066 | } else { |
20916cae TL |
2067 | group_dereference (&host -> group, MDL); |
2068 | group_reference (&host -> group, | |
2069 | host -> named_group -> group, | |
2070 | MDL); | |
29c35bed TL |
2071 | } |
2072 | } | |
2073 | ||
b86799bf TL |
2074 | if (dynamicp) |
2075 | host -> flags |= HOST_DECL_DYNAMIC; | |
2076 | else | |
2077 | host -> flags |= HOST_DECL_STATIC; | |
2078 | ||
92ce3f81 TL |
2079 | status = enter_host (host, dynamicp, 0); |
2080 | if (status != ISC_R_SUCCESS) | |
ab58ff49 TL |
2081 | parse_warn (cfile, "host %s: %s", host -> name, |
2082 | isc_result_totext (status)); | |
ff129930 | 2083 | } |
20916cae | 2084 | host_dereference (&host, MDL); |
d7837182 TL |
2085 | } |
2086 | ||
2d59f590 | 2087 | /* class-declaration :== STRING LBRACE parameters declarations RBRACE |
24a75c03 TL |
2088 | */ |
2089 | ||
20916cae TL |
2090 | int parse_class_declaration (cp, cfile, group, type) |
2091 | struct class **cp; | |
35454d8a | 2092 | struct parse *cfile; |
7dfc8ac2 | 2093 | struct group *group; |
24a75c03 TL |
2094 | int type; |
2095 | { | |
b1b7b521 | 2096 | const char *val; |
6f8fb41f | 2097 | enum dhcp_token token; |
08b2d347 | 2098 | struct class *class = NULL, *pc = NULL; |
f4d0f440 | 2099 | int declaration = 0; |
e5e41be4 | 2100 | int lose = 0; |
ece6ea33 | 2101 | struct data_string data; |
d758ad8c TL |
2102 | char *name; |
2103 | const char *tname; | |
08b2d347 | 2104 | struct executable_statement *stmt = NULL; |
de94ca72 | 2105 | int new = 1; |
98311e4b | 2106 | isc_result_t status = ISC_R_FAILURE; |
06e77c34 DH |
2107 | int matchedonce = 0; |
2108 | int submatchedonce = 0; | |
f7fdb216 | 2109 | unsigned code; |
24a75c03 | 2110 | |
08b2d347 | 2111 | token = next_token (&val, NULL, cfile); |
24a75c03 | 2112 | if (token != STRING) { |
35454d8a | 2113 | parse_warn (cfile, "Expecting class name"); |
24a75c03 | 2114 | skip_to_semi (cfile); |
20916cae | 2115 | return 0; |
24a75c03 TL |
2116 | } |
2117 | ||
ece6ea33 | 2118 | /* See if there's already a class with the specified name. */ |
20916cae | 2119 | find_class (&pc, val, MDL); |
ece6ea33 | 2120 | |
06e77c34 DH |
2121 | /* If it is a class, we're updating it. If it's any of the other |
2122 | * types (subclass, vendor or user class), the named class is a | |
2123 | * reference to the parent class so its mandatory. | |
2124 | */ | |
2125 | if (pc && (type == CLASS_TYPE_CLASS)) { | |
2126 | class_reference(&class, pc, MDL); | |
de94ca72 | 2127 | new = 0; |
06e77c34 DH |
2128 | class_dereference(&pc, MDL); |
2129 | } else if (!pc && (type != CLASS_TYPE_CLASS)) { | |
2130 | parse_warn(cfile, "no class named %s", val); | |
2131 | skip_to_semi(cfile); | |
20916cae | 2132 | return 0; |
ece6ea33 TL |
2133 | } |
2134 | ||
2135 | /* The old vendor-class and user-class declarations had an implicit | |
2136 | match. We don't do the implicit match anymore. Instead, for | |
2137 | backward compatibility, we have an implicit-vendor-class and an | |
2138 | implicit-user-class. vendor-class and user-class declarations | |
2139 | are turned into subclasses of the implicit classes, and the | |
8b500185 | 2140 | submatch expression of the implicit classes extracts the contents of |
ece6ea33 | 2141 | the vendor class or user class. */ |
06e77c34 | 2142 | if ((type == CLASS_TYPE_VENDOR) || (type == CLASS_TYPE_USER)) { |
ece6ea33 | 2143 | data.len = strlen (val); |
08b2d347 | 2144 | data.buffer = NULL; |
436f1c8c | 2145 | if (!buffer_allocate (&data.buffer, data.len + 1, MDL)) |
20916cae | 2146 | log_fatal ("no memory for class name."); |
6f8fb41f | 2147 | data.data = &data.buffer -> data [0]; |
ece6ea33 TL |
2148 | data.terminated = 1; |
2149 | ||
d758ad8c | 2150 | tname = type ? "implicit-vendor-class" : "implicit-user-class"; |
06e77c34 | 2151 | } else if (type == CLASS_TYPE_CLASS) { |
d758ad8c | 2152 | tname = val; |
20916cae | 2153 | } else { |
08b2d347 | 2154 | tname = NULL; |
20916cae TL |
2155 | } |
2156 | ||
d758ad8c TL |
2157 | if (tname) { |
2158 | name = dmalloc (strlen (tname) + 1, MDL); | |
2159 | if (!name) | |
2160 | log_fatal ("No memory for class name %s.", tname); | |
2161 | strcpy (name, val); | |
2162 | } else | |
08b2d347 | 2163 | name = NULL; |
ece6ea33 TL |
2164 | |
2165 | /* If this is a straight subclass, parse the hash string. */ | |
06e77c34 | 2166 | if (type == CLASS_TYPE_SUBCLASS) { |
08b2d347 | 2167 | token = peek_token (&val, NULL, cfile); |
ece6ea33 | 2168 | if (token == STRING) { |
dc9d7b08 | 2169 | skip_token(&val, &data.len, cfile); |
08b2d347 SR |
2170 | data.buffer = NULL; |
2171 | ||
20916cae TL |
2172 | if (!buffer_allocate (&data.buffer, |
2173 | data.len + 1, MDL)) { | |
2174 | if (pc) | |
2175 | class_dereference (&pc, MDL); | |
2176 | ||
2177 | return 0; | |
2178 | } | |
ece6ea33 | 2179 | data.terminated = 1; |
6f8fb41f | 2180 | data.data = &data.buffer -> data [0]; |
b3519f23 TL |
2181 | memcpy ((char *)data.buffer -> data, val, |
2182 | data.len + 1); | |
ece6ea33 | 2183 | } else if (token == NUMBER_OR_NAME || token == NUMBER) { |
6f8fb41f | 2184 | memset (&data, 0, sizeof data); |
20916cae | 2185 | if (!parse_cshl (&data, cfile)) { |
06e77c34 DH |
2186 | if (pc) |
2187 | class_dereference (&pc, MDL); | |
20916cae | 2188 | return 0; |
b19f2e1c | 2189 | } |
e68de775 | 2190 | } else { |
35454d8a | 2191 | parse_warn (cfile, "Expecting string or hex list."); |
d758ad8c TL |
2192 | if (pc) |
2193 | class_dereference (&pc, MDL); | |
20916cae | 2194 | return 0; |
ece6ea33 TL |
2195 | } |
2196 | } | |
2197 | ||
2198 | /* See if there's already a class in the hash table matching the | |
2199 | hash data. */ | |
06e77c34 | 2200 | if (type != CLASS_TYPE_CLASS) |
20916cae TL |
2201 | class_hash_lookup (&class, pc -> hash, |
2202 | (const char *)data.data, data.len, MDL); | |
ece6ea33 TL |
2203 | |
2204 | /* If we didn't find an existing class, allocate a new one. */ | |
2205 | if (!class) { | |
2206 | /* Allocate the class structure... */ | |
08b2d347 SR |
2207 | if (type == CLASS_TYPE_SUBCLASS) { |
2208 | status = subclass_allocate (&class, MDL); | |
2209 | } else { | |
2210 | status = class_allocate (&class, MDL); | |
2211 | } | |
ece6ea33 | 2212 | if (pc) { |
20916cae TL |
2213 | group_reference (&class -> group, pc -> group, MDL); |
2214 | class_reference (&class -> superclass, pc, MDL); | |
88dcab62 TL |
2215 | class -> lease_limit = pc -> lease_limit; |
2216 | if (class -> lease_limit) { | |
2217 | class -> billed_leases = | |
2218 | dmalloc (class -> lease_limit * | |
436f1c8c | 2219 | sizeof (struct lease *), MDL); |
88dcab62 | 2220 | if (!class -> billed_leases) |
e68de775 | 2221 | log_fatal ("no memory for billing"); |
88dcab62 TL |
2222 | memset (class -> billed_leases, 0, |
2223 | (class -> lease_limit * | |
0f750c4f | 2224 | sizeof (struct lease *))); |
88dcab62 | 2225 | } |
436f1c8c | 2226 | data_string_copy (&class -> hash_string, &data, MDL); |
98311e4b | 2227 | if (!pc -> hash && |
f7fdb216 | 2228 | !class_new_hash (&pc->hash, SCLASS_HASH_SIZE, MDL)) |
98311e4b DH |
2229 | log_fatal ("No memory for subclass hash."); |
2230 | class_hash_add (pc -> hash, | |
2231 | (const char *)class -> hash_string.data, | |
2232 | class -> hash_string.len, | |
2233 | (void *)class, MDL); | |
ece6ea33 | 2234 | } else { |
06e77c34 DH |
2235 | if (class->group) |
2236 | group_dereference(&class->group, MDL); | |
20916cae TL |
2237 | if (!clone_group (&class -> group, group, MDL)) |
2238 | log_fatal ("no memory to clone class group."); | |
ece6ea33 TL |
2239 | } |
2240 | ||
2241 | /* If this is an implicit vendor or user class, add a | |
2242 | statement that causes the vendor or user class ID to | |
2243 | be sent back in the reply. */ | |
06e77c34 | 2244 | if (type == CLASS_TYPE_VENDOR || type == CLASS_TYPE_USER) { |
08b2d347 | 2245 | stmt = NULL; |
20916cae | 2246 | if (!executable_statement_allocate (&stmt, MDL)) |
8ae2d595 | 2247 | log_fatal ("no memory for class statement."); |
ece6ea33 | 2248 | stmt -> op = supersede_option_statement; |
6f8fb41f | 2249 | if (option_cache_allocate (&stmt -> data.option, |
436f1c8c | 2250 | MDL)) { |
6f8fb41f | 2251 | stmt -> data.option -> data = data; |
f7fdb216 | 2252 | code = (type == CLASS_TYPE_VENDOR) |
ca3a51a5 | 2253 | ? DHO_VENDOR_CLASS_IDENTIFIER |
f7fdb216 DH |
2254 | : DHO_USER_CLASS; |
2255 | option_code_hash_lookup( | |
2256 | &stmt->data.option->option, | |
2257 | dhcp_universe.code_hash, | |
2258 | &code, 0, MDL); | |
6f8fb41f | 2259 | } |
ece6ea33 TL |
2260 | class -> statements = stmt; |
2261 | } | |
de94ca72 TL |
2262 | |
2263 | /* Save the name, if there is one. */ | |
06e77c34 DH |
2264 | if (class->name != NULL) |
2265 | dfree(class->name, MDL); | |
2266 | class->name = name; | |
ece6ea33 | 2267 | } |
7dfc8ac2 | 2268 | |
06e77c34 DH |
2269 | if (type != CLASS_TYPE_CLASS) |
2270 | data_string_forget(&data, MDL); | |
88dcab62 | 2271 | |
20916cae | 2272 | /* Spawned classes don't have to have their own settings. */ |
88dcab62 | 2273 | if (class -> superclass) { |
08b2d347 | 2274 | token = peek_token (&val, NULL, cfile); |
e68de775 | 2275 | if (token == SEMI) { |
08b2d347 SR |
2276 | skip_token(&val, NULL, cfile); |
2277 | ||
20916cae TL |
2278 | if (cp) |
2279 | status = class_reference (cp, class, MDL); | |
2280 | class_dereference (&class, MDL); | |
d758ad8c TL |
2281 | if (pc) |
2282 | class_dereference (&pc, MDL); | |
20916cae | 2283 | return cp ? (status == ISC_R_SUCCESS) : 1; |
e68de775 TL |
2284 | } |
2285 | /* Give the subclass its own group. */ | |
f84d544b TL |
2286 | if (!clone_group (&class -> group, class -> group, MDL)) |
2287 | log_fatal ("can't clone class group."); | |
2288 | ||
88dcab62 TL |
2289 | } |
2290 | ||
20916cae TL |
2291 | if (!parse_lbrace (cfile)) { |
2292 | class_dereference (&class, MDL); | |
2293 | if (pc) | |
2294 | class_dereference (&pc, MDL); | |
2295 | return 0; | |
2296 | } | |
24a75c03 TL |
2297 | |
2298 | do { | |
08b2d347 | 2299 | token = peek_token (&val, NULL, cfile); |
7dfc8ac2 | 2300 | if (token == RBRACE) { |
08b2d347 | 2301 | skip_token(&val, NULL, cfile); |
24a75c03 | 2302 | break; |
0b69dcc8 | 2303 | } else if (token == END_OF_FILE) { |
08b2d347 | 2304 | skip_token(&val, NULL, cfile); |
35454d8a | 2305 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 | 2306 | break; |
899d754f | 2307 | } else if (token == DYNAMIC) { |
06e77c34 | 2308 | class->flags |= CLASS_DECL_DYNAMIC; |
08b2d347 | 2309 | skip_token(&val, NULL, cfile); |
899d754f JB |
2310 | if (!parse_semi (cfile)) |
2311 | break; | |
2312 | continue; | |
2313 | } else if (token == TOKEN_DELETED) { | |
06e77c34 | 2314 | class->flags |= CLASS_DECL_DELETED; |
08b2d347 | 2315 | skip_token(&val, NULL, cfile); |
899d754f JB |
2316 | if (!parse_semi (cfile)) |
2317 | break; | |
2318 | continue; | |
ece6ea33 TL |
2319 | } else if (token == MATCH) { |
2320 | if (pc) { | |
35454d8a TL |
2321 | parse_warn (cfile, |
2322 | "invalid match in subclass."); | |
ece6ea33 TL |
2323 | skip_to_semi (cfile); |
2324 | break; | |
2325 | } | |
08b2d347 SR |
2326 | skip_token(&val, NULL, cfile); |
2327 | token = peek_token (&val, NULL, cfile); | |
98311e4b DH |
2328 | if (token != IF) |
2329 | goto submatch; | |
08b2d347 | 2330 | skip_token(&val, NULL, cfile); |
06e77c34 DH |
2331 | if (matchedonce) { |
2332 | parse_warn(cfile, "A class may only have " | |
2333 | "one 'match if' clause."); | |
2334 | skip_to_semi(cfile); | |
ece6ea33 TL |
2335 | break; |
2336 | } | |
06e77c34 DH |
2337 | matchedonce = 1; |
2338 | if (class->expr) | |
2339 | expression_dereference(&class->expr, MDL); | |
2340 | if (!parse_boolean_expression (&class->expr, cfile, | |
9e383163 TL |
2341 | &lose)) { |
2342 | if (!lose) { | |
2343 | parse_warn (cfile, | |
2344 | "expecting boolean expr."); | |
2345 | skip_to_semi (cfile); | |
2346 | } | |
2347 | } else { | |
6f8fb41f | 2348 | #if defined (DEBUG_EXPRESSION_PARSE) |
9e383163 TL |
2349 | print_expression ("class match", |
2350 | class -> expr); | |
6f8fb41f | 2351 | #endif |
9e383163 TL |
2352 | parse_semi (cfile); |
2353 | } | |
ece6ea33 | 2354 | } else if (token == SPAWN) { |
08b2d347 | 2355 | skip_token(&val, NULL, cfile); |
ece6ea33 | 2356 | if (pc) { |
35454d8a TL |
2357 | parse_warn (cfile, |
2358 | "invalid spawn in subclass."); | |
ece6ea33 TL |
2359 | skip_to_semi (cfile); |
2360 | break; | |
2361 | } | |
b19f2e1c | 2362 | class -> spawning = 1; |
08b2d347 | 2363 | token = next_token (&val, NULL, cfile); |
ece6ea33 | 2364 | if (token != WITH) { |
35454d8a TL |
2365 | parse_warn (cfile, |
2366 | "expecting with after spawn"); | |
ece6ea33 TL |
2367 | skip_to_semi (cfile); |
2368 | break; | |
2369 | } | |
06d3e394 | 2370 | submatch: |
06e77c34 | 2371 | if (submatchedonce) { |
35454d8a TL |
2372 | parse_warn (cfile, |
2373 | "can't override existing %s.", | |
8b500185 TL |
2374 | "submatch/spawn"); |
2375 | skip_to_semi (cfile); | |
2376 | break; | |
2377 | } | |
06e77c34 DH |
2378 | submatchedonce = 1; |
2379 | if (class->submatch) | |
2380 | expression_dereference(&class->submatch, MDL); | |
9e383163 TL |
2381 | if (!parse_data_expression (&class -> submatch, |
2382 | cfile, &lose)) { | |
2383 | if (!lose) { | |
2384 | parse_warn (cfile, | |
2385 | "expecting data expr."); | |
2386 | skip_to_semi (cfile); | |
2387 | } | |
2388 | } else { | |
6f8fb41f | 2389 | #if defined (DEBUG_EXPRESSION_PARSE) |
9e383163 TL |
2390 | print_expression ("class submatch", |
2391 | class -> submatch); | |
6f8fb41f | 2392 | #endif |
9e383163 TL |
2393 | parse_semi (cfile); |
2394 | } | |
88dcab62 | 2395 | } else if (token == LEASE) { |
08b2d347 SR |
2396 | skip_token(&val, NULL, cfile); |
2397 | token = next_token (&val, NULL, cfile); | |
88dcab62 | 2398 | if (token != LIMIT) { |
35454d8a | 2399 | parse_warn (cfile, "expecting \"limit\""); |
88dcab62 TL |
2400 | if (token != SEMI) |
2401 | skip_to_semi (cfile); | |
2402 | break; | |
2403 | } | |
08b2d347 | 2404 | token = next_token (&val, NULL, cfile); |
88dcab62 | 2405 | if (token != NUMBER) { |
35454d8a | 2406 | parse_warn (cfile, "expecting a number"); |
88dcab62 TL |
2407 | if (token != SEMI) |
2408 | skip_to_semi (cfile); | |
2409 | break; | |
2410 | } | |
2411 | class -> lease_limit = atoi (val); | |
06e77c34 DH |
2412 | if (class->billed_leases) |
2413 | dfree(class->billed_leases, MDL); | |
88dcab62 TL |
2414 | class -> billed_leases = |
2415 | dmalloc (class -> lease_limit * | |
436f1c8c | 2416 | sizeof (struct lease *), MDL); |
88dcab62 | 2417 | if (!class -> billed_leases) |
8ae2d595 | 2418 | log_fatal ("no memory for billed leases."); |
88dcab62 TL |
2419 | memset (class -> billed_leases, 0, |
2420 | (class -> lease_limit * | |
0f750c4f | 2421 | sizeof (struct lease *))); |
88dcab62 TL |
2422 | have_billing_classes = 1; |
2423 | parse_semi (cfile); | |
24a75c03 | 2424 | } else { |
2d59f590 | 2425 | declaration = parse_statement (cfile, class -> group, |
08b2d347 | 2426 | CLASS_DECL, NULL, |
2d59f590 | 2427 | declaration); |
24a75c03 TL |
2428 | } |
2429 | } while (1); | |
899d754f | 2430 | |
06e77c34 DH |
2431 | if (class->flags & CLASS_DECL_DELETED) { |
2432 | if (type == CLASS_TYPE_CLASS) { | |
2433 | struct class *theclass = NULL; | |
899d754f | 2434 | |
06e77c34 DH |
2435 | status = find_class(&theclass, class->name, MDL); |
2436 | if (status == ISC_R_SUCCESS) { | |
2437 | delete_class(theclass, 0); | |
2438 | class_dereference(&theclass, MDL); | |
2439 | } | |
2440 | } else { | |
2441 | class_hash_delete(pc->hash, | |
2442 | (char *)class->hash_string.data, | |
2443 | class->hash_string.len, MDL); | |
899d754f | 2444 | } |
06e77c34 | 2445 | } else if (type == CLASS_TYPE_CLASS && new) { |
de94ca72 | 2446 | if (!collections -> classes) |
20916cae | 2447 | class_reference (&collections -> classes, class, MDL); |
de94ca72 | 2448 | else { |
20916cae TL |
2449 | struct class *c; |
2450 | for (c = collections -> classes; | |
2451 | c -> nic; c = c -> nic) | |
de94ca72 | 2452 | ; |
20916cae | 2453 | class_reference (&c -> nic, class, MDL); |
de94ca72 TL |
2454 | } |
2455 | } | |
06e77c34 | 2456 | |
899d754f | 2457 | if (cp) /* should always be 0??? */ |
20916cae TL |
2458 | status = class_reference (cp, class, MDL); |
2459 | class_dereference (&class, MDL); | |
2460 | if (pc) | |
2461 | class_dereference (&pc, MDL); | |
2462 | return cp ? (status == ISC_R_SUCCESS) : 1; | |
24a75c03 TL |
2463 | } |
2464 | ||
2d59f590 TL |
2465 | /* shared-network-declaration :== |
2466 | hostname LBRACE declarations parameters RBRACE */ | |
1f814ff2 | 2467 | |
2d59f590 | 2468 | void parse_shared_net_declaration (cfile, group) |
35454d8a | 2469 | struct parse *cfile; |
7dfc8ac2 | 2470 | struct group *group; |
1f814ff2 | 2471 | { |
b1b7b521 | 2472 | const char *val; |
6f8fb41f | 2473 | enum dhcp_token token; |
1f814ff2 | 2474 | struct shared_network *share; |
1f814ff2 | 2475 | char *name; |
2d59f590 | 2476 | int declaration = 0; |
20916cae | 2477 | isc_result_t status; |
1f814ff2 | 2478 | |
20916cae TL |
2479 | share = (struct shared_network *)0; |
2480 | status = shared_network_allocate (&share, MDL); | |
2481 | if (status != ISC_R_SUCCESS) | |
2482 | log_fatal ("Can't allocate shared subnet: %s", | |
2483 | isc_result_totext (status)); | |
0f750c4f SR |
2484 | if (clone_group (&share -> group, group, MDL) == 0) { |
2485 | log_fatal ("Can't clone group for shared net"); | |
2486 | } | |
20916cae TL |
2487 | shared_network_reference (&share -> group -> shared_network, |
2488 | share, MDL); | |
1f814ff2 TL |
2489 | |
2490 | /* Get the name of the shared network... */ | |
b3519f23 | 2491 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2492 | if (token == STRING) { |
dc9d7b08 | 2493 | skip_token(&val, (unsigned *)0, cfile); |
7dfc8ac2 TL |
2494 | |
2495 | if (val [0] == 0) { | |
35454d8a | 2496 | parse_warn (cfile, "zero-length shared network name"); |
7dfc8ac2 TL |
2497 | val = "<no-name-given>"; |
2498 | } | |
436f1c8c | 2499 | name = dmalloc (strlen (val) + 1, MDL); |
7dfc8ac2 | 2500 | if (!name) |
8ae2d595 | 2501 | log_fatal ("no memory for shared network name"); |
7dfc8ac2 TL |
2502 | strcpy (name, val); |
2503 | } else { | |
2504 | name = parse_host_name (cfile); | |
20916cae | 2505 | if (!name) { |
6c5223f5 TL |
2506 | parse_warn (cfile, |
2507 | "expecting a name for shared-network"); | |
2508 | skip_to_semi (cfile); | |
20916cae | 2509 | shared_network_dereference (&share, MDL); |
7dfc8ac2 | 2510 | return; |
20916cae | 2511 | } |
1f814ff2 | 2512 | } |
1f814ff2 TL |
2513 | share -> name = name; |
2514 | ||
20916cae TL |
2515 | if (!parse_lbrace (cfile)) { |
2516 | shared_network_dereference (&share, MDL); | |
7dfc8ac2 | 2517 | return; |
20916cae | 2518 | } |
7dfc8ac2 | 2519 | |
1f814ff2 | 2520 | do { |
b3519f23 | 2521 | token = peek_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 2522 | if (token == RBRACE) { |
dc9d7b08 | 2523 | skip_token(&val, (unsigned *)0, cfile); |
20916cae | 2524 | if (!share -> subnets) |
4bd8800e TL |
2525 | parse_warn (cfile, |
2526 | "empty shared-network decl"); | |
20916cae TL |
2527 | else |
2528 | enter_shared_network (share); | |
2529 | shared_network_dereference (&share, MDL); | |
1f814ff2 | 2530 | return; |
0b69dcc8 | 2531 | } else if (token == END_OF_FILE) { |
dc9d7b08 | 2532 | skip_token(&val, (unsigned *)0, cfile); |
35454d8a | 2533 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 | 2534 | break; |
79931db3 | 2535 | } else if (token == INTERFACE) { |
dc9d7b08 | 2536 | skip_token(&val, (unsigned *)0, cfile); |
b3519f23 | 2537 | token = next_token (&val, (unsigned *)0, cfile); |
79931db3 TL |
2538 | new_shared_network_interface (cfile, share, val); |
2539 | if (!parse_semi (cfile)) | |
2540 | break; | |
2541 | continue; | |
1f814ff2 | 2542 | } |
5376e3e9 | 2543 | |
2d59f590 TL |
2544 | declaration = parse_statement (cfile, share -> group, |
2545 | SHARED_NET_DECL, | |
2546 | (struct host_decl *)0, | |
2547 | declaration); | |
1f814ff2 | 2548 | } while (1); |
20916cae | 2549 | shared_network_dereference (&share, MDL); |
1f814ff2 TL |
2550 | } |
2551 | ||
98bd7ca0 DH |
2552 | |
2553 | static int | |
2554 | common_subnet_parsing(struct parse *cfile, | |
2555 | struct shared_network *share, | |
2556 | struct subnet *subnet) { | |
2557 | enum dhcp_token token; | |
2558 | struct subnet *t, *u; | |
2559 | const char *val; | |
2560 | int declaration = 0; | |
2561 | ||
2562 | enter_subnet(subnet); | |
2563 | ||
2564 | if (!parse_lbrace(cfile)) { | |
2565 | subnet_dereference(&subnet, MDL); | |
2566 | return 0; | |
2567 | } | |
2568 | ||
2569 | do { | |
2570 | token = peek_token(&val, NULL, cfile); | |
2571 | if (token == RBRACE) { | |
dc9d7b08 | 2572 | skip_token(&val, NULL, cfile); |
98bd7ca0 DH |
2573 | break; |
2574 | } else if (token == END_OF_FILE) { | |
dc9d7b08 | 2575 | skip_token(&val, NULL, cfile); |
98bd7ca0 DH |
2576 | parse_warn (cfile, "unexpected end of file"); |
2577 | break; | |
2578 | } else if (token == INTERFACE) { | |
dc9d7b08 | 2579 | skip_token(&val, NULL, cfile); |
98bd7ca0 DH |
2580 | token = next_token(&val, NULL, cfile); |
2581 | new_shared_network_interface(cfile, share, val); | |
2582 | if (!parse_semi(cfile)) | |
2583 | break; | |
2584 | continue; | |
2585 | } | |
2586 | declaration = parse_statement(cfile, subnet->group, | |
2587 | SUBNET_DECL, | |
2588 | NULL, | |
2589 | declaration); | |
2590 | } while (1); | |
2591 | ||
2592 | /* Add the subnet to the list of subnets in this shared net. */ | |
2593 | if (share->subnets == NULL) { | |
2594 | subnet_reference(&share->subnets, subnet, MDL); | |
2595 | } else { | |
2596 | u = NULL; | |
2597 | for (t = share->subnets; t->next_sibling; t = t->next_sibling) { | |
2598 | if (subnet_inner_than(subnet, t, 0)) { | |
2599 | subnet_reference(&subnet->next_sibling, t, MDL); | |
2600 | if (u) { | |
2601 | subnet_dereference(&u->next_sibling, | |
2602 | MDL); | |
2603 | subnet_reference(&u->next_sibling, | |
2604 | subnet, MDL); | |
2605 | } else { | |
2606 | subnet_dereference(&share->subnets, | |
2607 | MDL); | |
2608 | subnet_reference(&share->subnets, | |
2609 | subnet, MDL); | |
2610 | } | |
2611 | subnet_dereference(&subnet, MDL); | |
2612 | return 1; | |
2613 | } | |
2614 | u = t; | |
2615 | } | |
2616 | subnet_reference(&t->next_sibling, subnet, MDL); | |
2617 | } | |
2618 | subnet_dereference(&subnet, MDL); | |
2619 | return 1; | |
2620 | } | |
2621 | ||
2d59f590 TL |
2622 | /* subnet-declaration :== |
2623 | net NETMASK netmask RBRACE parameters declarations LBRACE */ | |
685963dc | 2624 | |
2d59f590 | 2625 | void parse_subnet_declaration (cfile, share) |
35454d8a | 2626 | struct parse *cfile; |
1f814ff2 | 2627 | struct shared_network *share; |
685963dc | 2628 | { |
b1b7b521 | 2629 | const char *val; |
6f8fb41f | 2630 | enum dhcp_token token; |
28868515 | 2631 | struct subnet *subnet; |
7dfc8ac2 | 2632 | struct iaddr iaddr; |
685963dc | 2633 | unsigned char addr [4]; |
b1b7b521 | 2634 | unsigned len = sizeof addr; |
20916cae | 2635 | isc_result_t status; |
685963dc | 2636 | |
20916cae TL |
2637 | subnet = (struct subnet *)0; |
2638 | status = subnet_allocate (&subnet, MDL); | |
2639 | if (status != ISC_R_SUCCESS) | |
2640 | log_fatal ("Allocation of new subnet failed: %s", | |
2641 | isc_result_totext (status)); | |
2642 | shared_network_reference (&subnet -> shared_network, share, MDL); | |
7d6180be DH |
2643 | |
2644 | /* | |
2645 | * If our parent shared network was implicitly created by the software, | |
2646 | * and not explicitly configured by the user, then we actually put all | |
2647 | * configuration scope in the parent (the shared network and subnet | |
2648 | * share the same {}-level scope). | |
2649 | * | |
2650 | * Otherwise, we clone the parent group and continue as normal. | |
2651 | */ | |
2652 | if (share->flags & SHARED_IMPLICIT) { | |
2653 | group_reference(&subnet->group, share->group, MDL); | |
2654 | } else { | |
2655 | if (!clone_group(&subnet->group, share->group, MDL)) { | |
2656 | log_fatal("Allocation of group for new subnet failed."); | |
2657 | } | |
2658 | } | |
20916cae | 2659 | subnet_reference (&subnet -> group -> subnet, subnet, MDL); |
685963dc TL |
2660 | |
2661 | /* Get the network number... */ | |
20916cae TL |
2662 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
2663 | subnet_dereference (&subnet, MDL); | |
7dfc8ac2 | 2664 | return; |
20916cae | 2665 | } |
7dfc8ac2 TL |
2666 | memcpy (iaddr.iabuf, addr, len); |
2667 | iaddr.len = len; | |
2668 | subnet -> net = iaddr; | |
685963dc | 2669 | |
b3519f23 | 2670 | token = next_token (&val, (unsigned *)0, cfile); |
685963dc | 2671 | if (token != NETMASK) { |
35454d8a | 2672 | parse_warn (cfile, "Expecting netmask"); |
685963dc | 2673 | skip_to_semi (cfile); |
7dfc8ac2 | 2674 | return; |
685963dc TL |
2675 | } |
2676 | ||
2677 | /* Get the netmask... */ | |
20916cae TL |
2678 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
2679 | subnet_dereference (&subnet, MDL); | |
7dfc8ac2 | 2680 | return; |
20916cae | 2681 | } |
7dfc8ac2 TL |
2682 | memcpy (iaddr.iabuf, addr, len); |
2683 | iaddr.len = len; | |
2684 | subnet -> netmask = iaddr; | |
685963dc | 2685 | |
20916cae TL |
2686 | /* Validate the network number/netmask pair. */ |
2687 | if (host_addr (subnet -> net, subnet -> netmask)) { | |
98311e4b DH |
2688 | char *maskstr; |
2689 | ||
2690 | maskstr = strdup (piaddr (subnet -> netmask)); | |
20916cae | 2691 | parse_warn (cfile, |
98311e4b DH |
2692 | "subnet %s netmask %s: bad subnet number/mask combination.", |
2693 | piaddr (subnet -> net), maskstr); | |
2694 | free(maskstr); | |
20916cae TL |
2695 | subnet_dereference (&subnet, MDL); |
2696 | skip_to_semi (cfile); | |
2697 | return; | |
2698 | } | |
2699 | ||
98bd7ca0 DH |
2700 | common_subnet_parsing(cfile, share, subnet); |
2701 | } | |
685963dc | 2702 | |
98bd7ca0 DH |
2703 | /* subnet6-declaration :== |
2704 | net / bits RBRACE parameters declarations LBRACE */ | |
2705 | ||
2706 | void | |
2707 | parse_subnet6_declaration(struct parse *cfile, struct shared_network *share) { | |
28868515 SK |
2708 | #if !defined(DHCPv6) |
2709 | parse_warn(cfile, "No DHCPv6 support."); | |
2710 | skip_to_semi(cfile); | |
2711 | #else /* defined(DHCPv6) */ | |
98bd7ca0 DH |
2712 | struct subnet *subnet; |
2713 | isc_result_t status; | |
2714 | enum dhcp_token token; | |
2715 | const char *val; | |
2716 | char *endp; | |
2717 | int ofs; | |
2718 | const static int mask[] = { 0x00, 0x80, 0xC0, 0xE0, | |
2719 | 0xF0, 0xF8, 0xFC, 0xFE }; | |
2720 | struct iaddr iaddr; | |
98bd7ca0 | 2721 | |
771484ac EH |
2722 | if (local_family != AF_INET6) { |
2723 | parse_warn(cfile, "subnet6 statement is only supported " | |
2724 | "in DHCPv6 mode."); | |
2725 | skip_to_semi(cfile); | |
2726 | return; | |
2727 | } | |
2728 | ||
98bd7ca0 DH |
2729 | subnet = NULL; |
2730 | status = subnet_allocate(&subnet, MDL); | |
2731 | if (status != ISC_R_SUCCESS) { | |
2732 | log_fatal("Allocation of new subnet failed: %s", | |
2733 | isc_result_totext(status)); | |
2734 | } | |
2735 | shared_network_reference(&subnet->shared_network, share, MDL); | |
7d6180be DH |
2736 | |
2737 | /* | |
2738 | * If our parent shared network was implicitly created by the software, | |
2739 | * and not explicitly configured by the user, then we actually put all | |
2740 | * configuration scope in the parent (the shared network and subnet | |
2741 | * share the same {}-level scope). | |
2742 | * | |
2743 | * Otherwise, we clone the parent group and continue as normal. | |
2744 | */ | |
2745 | if (share->flags & SHARED_IMPLICIT) { | |
2746 | group_reference(&subnet->group, share->group, MDL); | |
2747 | } else { | |
2748 | if (!clone_group(&subnet->group, share->group, MDL)) { | |
2749 | log_fatal("Allocation of group for new subnet failed."); | |
2750 | } | |
98bd7ca0 DH |
2751 | } |
2752 | subnet_reference(&subnet->group->subnet, subnet, MDL); | |
2753 | ||
2754 | if (!parse_ip6_addr(cfile, &subnet->net)) { | |
2755 | subnet_dereference(&subnet, MDL); | |
7dfc8ac2 | 2756 | return; |
20916cae | 2757 | } |
7dfc8ac2 | 2758 | |
98bd7ca0 DH |
2759 | token = next_token(&val, NULL, cfile); |
2760 | if (token != SLASH) { | |
2761 | parse_warn(cfile, "Expecting a '/'."); | |
2762 | skip_to_semi(cfile); | |
2763 | return; | |
2764 | } | |
1f814ff2 | 2765 | |
98bd7ca0 DH |
2766 | token = next_token(&val, NULL, cfile); |
2767 | if (token != NUMBER) { | |
2768 | parse_warn(cfile, "Expecting a number."); | |
2769 | skip_to_semi(cfile); | |
2770 | return; | |
2771 | } | |
2772 | ||
2773 | subnet->prefix_len = strtol(val, &endp, 10); | |
2774 | if ((subnet->prefix_len < 0) || | |
2775 | (subnet->prefix_len > 128) || | |
2776 | (*endp != '\0')) { | |
2777 | parse_warn(cfile, "Expecting a number between 0 and 128."); | |
2778 | skip_to_semi(cfile); | |
2779 | return; | |
2780 | } | |
2781 | ||
9b21e73e SK |
2782 | if (!is_cidr_mask_valid(&subnet->net, subnet->prefix_len)) { |
2783 | parse_warn(cfile, "New subnet mask too short."); | |
2784 | skip_to_semi(cfile); | |
2785 | return; | |
2786 | } | |
2787 | ||
98bd7ca0 DH |
2788 | /* |
2789 | * Create a netmask. | |
2790 | */ | |
2791 | subnet->netmask.len = 16; | |
2792 | ofs = subnet->prefix_len / 8; | |
2793 | if (ofs < subnet->netmask.len) { | |
2794 | subnet->netmask.iabuf[ofs] = mask[subnet->prefix_len % 8]; | |
2795 | } | |
2796 | while (--ofs >= 0) { | |
2797 | subnet->netmask.iabuf[ofs] = 0xFF; | |
2798 | } | |
2799 | ||
2800 | /* Validate the network number/netmask pair. */ | |
2801 | iaddr = subnet_number(subnet->net, subnet->netmask); | |
2802 | if (memcmp(&iaddr, &subnet->net, 16) != 0) { | |
2803 | parse_warn(cfile, | |
2804 | "subnet %s/%d: prefix not long enough for address.", | |
2805 | piaddr(subnet->net), subnet->prefix_len); | |
2806 | subnet_dereference(&subnet, MDL); | |
2807 | skip_to_semi(cfile); | |
2808 | return; | |
2809 | } | |
2810 | ||
2811 | if (!common_subnet_parsing(cfile, share, subnet)) { | |
2812 | return; | |
7dfc8ac2 | 2813 | } |
fe5b0fdd | 2814 | #endif /* defined(DHCPv6) */ |
685963dc TL |
2815 | } |
2816 | ||
2d59f590 | 2817 | /* group-declaration :== RBRACE parameters declarations LBRACE */ |
7dfc8ac2 | 2818 | |
2d59f590 | 2819 | void parse_group_declaration (cfile, group) |
35454d8a | 2820 | struct parse *cfile; |
7dfc8ac2 | 2821 | struct group *group; |
685963dc | 2822 | { |
b1b7b521 | 2823 | const char *val; |
6f8fb41f | 2824 | enum dhcp_token token; |
7dfc8ac2 | 2825 | struct group *g; |
2d59f590 | 2826 | int declaration = 0; |
bb9189c3 | 2827 | struct group_object *t = NULL; |
29c35bed | 2828 | isc_result_t status; |
d9eefc5d | 2829 | char *name = NULL; |
29c35bed TL |
2830 | int deletedp = 0; |
2831 | int dynamicp = 0; | |
2832 | int staticp = 0; | |
685963dc | 2833 | |
d289ee68 SR |
2834 | g = NULL; |
2835 | if (!clone_group(&g, group, MDL)) | |
2836 | log_fatal("no memory for explicit group."); | |
685963dc | 2837 | |
d289ee68 | 2838 | token = peek_token(&val, NULL, cfile); |
29c35bed | 2839 | if (is_identifier (token) || token == STRING) { |
dc9d7b08 | 2840 | skip_token(&val, NULL, cfile); |
29c35bed | 2841 | |
d289ee68 | 2842 | name = dmalloc(strlen(val) + 1, MDL); |
29c35bed | 2843 | if (!name) |
d289ee68 SR |
2844 | log_fatal("no memory for group decl name %s", val); |
2845 | strcpy(name, val); | |
29c35bed TL |
2846 | } |
2847 | ||
d289ee68 SR |
2848 | if (!parse_lbrace(cfile)) { |
2849 | group_dereference(&g, MDL); | |
7dfc8ac2 | 2850 | return; |
20916cae | 2851 | } |
d7837182 | 2852 | |
7dfc8ac2 | 2853 | do { |
d289ee68 | 2854 | token = peek_token(&val, NULL, cfile); |
5376e3e9 | 2855 | if (token == RBRACE) { |
dc9d7b08 | 2856 | skip_token(&val, NULL, cfile); |
7dfc8ac2 | 2857 | break; |
0b69dcc8 | 2858 | } else if (token == END_OF_FILE) { |
dc9d7b08 | 2859 | skip_token(&val, NULL, cfile); |
d289ee68 | 2860 | parse_warn(cfile, "unexpected end of file"); |
5376e3e9 | 2861 | break; |
007e3ee4 | 2862 | } else if (token == TOKEN_DELETED) { |
dc9d7b08 | 2863 | skip_token(&val, NULL, cfile); |
d289ee68 | 2864 | parse_semi(cfile); |
29c35bed TL |
2865 | deletedp = 1; |
2866 | } else if (token == DYNAMIC) { | |
dc9d7b08 | 2867 | skip_token(&val, NULL, cfile); |
d289ee68 | 2868 | parse_semi(cfile); |
29c35bed TL |
2869 | dynamicp = 1; |
2870 | } else if (token == STATIC) { | |
dc9d7b08 | 2871 | skip_token(&val, NULL, cfile); |
d289ee68 | 2872 | parse_semi(cfile); |
29c35bed | 2873 | staticp = 1; |
5376e3e9 | 2874 | } |
d289ee68 SR |
2875 | declaration = parse_statement(cfile, g, GROUP_DECL, |
2876 | NULL, declaration); | |
7dfc8ac2 | 2877 | } while (1); |
29c35bed TL |
2878 | |
2879 | if (name) { | |
2880 | if (deletedp) { | |
2881 | if (group_name_hash) { | |
d289ee68 SR |
2882 | t = NULL; |
2883 | if (group_hash_lookup(&t, group_name_hash, | |
2884 | name, | |
2885 | strlen(name), MDL)) { | |
2886 | delete_group(t, 0); | |
29c35bed TL |
2887 | } |
2888 | } | |
2889 | } else { | |
d289ee68 SR |
2890 | t = NULL; |
2891 | status = group_object_allocate(&t, MDL); | |
20916cae | 2892 | if (status != ISC_R_SUCCESS) |
d289ee68 SR |
2893 | log_fatal("no memory for group decl %s: %s", |
2894 | val, isc_result_totext(status)); | |
2895 | group_reference(&t->group, g, MDL); | |
2896 | t->name = name; | |
0f750c4f | 2897 | /* no need to include deletedp as it's handled above */ |
d289ee68 | 2898 | t->flags = ((staticp ? GROUP_OBJECT_STATIC : 0) | |
0f750c4f | 2899 | (dynamicp ? GROUP_OBJECT_DYNAMIC : 0)); |
d289ee68 SR |
2900 | supersede_group(t, 0); |
2901 | } | |
2902 | if (t != NULL) | |
2903 | group_object_dereference(&t, MDL); | |
29c35bed | 2904 | } |
d7837182 TL |
2905 | } |
2906 | ||
2d59f590 TL |
2907 | /* fixed-addr-parameter :== ip-addrs-or-hostnames SEMI |
2908 | ip-addrs-or-hostnames :== ip-addr-or-hostname | |
2909 | | ip-addrs-or-hostnames ip-addr-or-hostname */ | |
d7837182 | 2910 | |
98bd7ca0 DH |
2911 | int |
2912 | parse_fixed_addr_param(struct option_cache **oc, | |
2913 | struct parse *cfile, | |
2914 | enum dhcp_token type) { | |
2915 | int parse_ok; | |
b1b7b521 | 2916 | const char *val; |
6f8fb41f | 2917 | enum dhcp_token token; |
98bd7ca0 | 2918 | struct expression *expr = NULL; |
6f8fb41f TL |
2919 | struct expression *tmp, *new; |
2920 | int status; | |
1f814ff2 TL |
2921 | |
2922 | do { | |
98bd7ca0 DH |
2923 | tmp = NULL; |
2924 | if (type == FIXED_ADDR) { | |
2925 | parse_ok = parse_ip_addr_or_hostname(&tmp, cfile, 1); | |
2926 | } else { | |
2927 | /* INSIST(type == FIXED_ADDR6); */ | |
2928 | parse_ok = parse_ip6_addr_expr(&tmp, cfile); | |
2929 | } | |
2930 | if (parse_ok) { | |
2931 | if (expr != NULL) { | |
2932 | new = NULL; | |
2933 | status = make_concat(&new, expr, tmp); | |
2934 | expression_dereference(&expr, MDL); | |
2935 | expression_dereference(&tmp, MDL); | |
2936 | if (!status) { | |
028a8588 | 2937 | return 0; |
98bd7ca0 | 2938 | } |
028a8588 | 2939 | expr = new; |
98bd7ca0 | 2940 | } else { |
028a8588 | 2941 | expr = tmp; |
98bd7ca0 | 2942 | } |
6f8fb41f | 2943 | } else { |
98bd7ca0 | 2944 | if (expr != NULL) { |
436f1c8c | 2945 | expression_dereference (&expr, MDL); |
98bd7ca0 | 2946 | } |
6f8fb41f TL |
2947 | return 0; |
2948 | } | |
98bd7ca0 DH |
2949 | token = peek_token(&val, NULL, cfile); |
2950 | if (token == COMMA) { | |
2951 | token = next_token(&val, NULL, cfile); | |
2952 | } | |
1f814ff2 | 2953 | } while (token == COMMA); |
7dfc8ac2 | 2954 | |
98bd7ca0 DH |
2955 | if (!parse_semi(cfile)) { |
2956 | if (expr) { | |
436f1c8c | 2957 | expression_dereference (&expr, MDL); |
98bd7ca0 | 2958 | } |
6f8fb41f TL |
2959 | return 0; |
2960 | } | |
98bd7ca0 DH |
2961 | |
2962 | status = option_cache(oc, NULL, expr, NULL, MDL); | |
2963 | expression_dereference(&expr, MDL); | |
6f8fb41f | 2964 | return status; |
d7837182 TL |
2965 | } |
2966 | ||
2d59f590 TL |
2967 | /* lease_declaration :== LEASE ip_address LBRACE lease_parameters RBRACE |
2968 | ||
2969 | lease_parameters :== <nil> | |
2970 | | lease_parameter | |
2971 | | lease_parameters lease_parameter | |
2972 | ||
2973 | lease_parameter :== STARTS date | |
2974 | | ENDS date | |
2975 | | TIMESTAMP date | |
2976 | | HARDWARE hardware-parameter | |
2977 | | UID hex_numbers SEMI | |
ccf5778a TL |
2978 | | HOSTNAME hostname SEMI |
2979 | | CLIENT_HOSTNAME hostname SEMI | |
2d59f590 TL |
2980 | | CLASS identifier SEMI |
2981 | | DYNAMIC_BOOTP SEMI */ | |
2982 | ||
20916cae | 2983 | int parse_lease_declaration (struct lease **lp, struct parse *cfile) |
d7837182 | 2984 | { |
b1b7b521 | 2985 | const char *val; |
6f8fb41f | 2986 | enum dhcp_token token; |
d7837182 | 2987 | unsigned char addr [4]; |
b1b7b521 | 2988 | unsigned len = sizeof addr; |
d7837182 TL |
2989 | int seenmask = 0; |
2990 | int seenbit; | |
2991 | char tbuf [32]; | |
20916cae | 2992 | struct lease *lease; |
96d7d13e TL |
2993 | struct executable_statement *on; |
2994 | int lose; | |
9e9b2261 | 2995 | TIME t; |
436f1c8c TL |
2996 | int noequal, newbinding; |
2997 | struct binding *binding; | |
7285af30 | 2998 | struct binding_value *nv; |
20916cae | 2999 | isc_result_t status; |
6c5223f5 TL |
3000 | struct option_cache *oc; |
3001 | pair *p; | |
e15d235d | 3002 | binding_state_t new_state; |
b3519f23 | 3003 | unsigned buflen = 0; |
f545ef7f | 3004 | struct class *class; |
d7837182 | 3005 | |
20916cae TL |
3006 | lease = (struct lease *)0; |
3007 | status = lease_allocate (&lease, MDL); | |
3008 | if (status != ISC_R_SUCCESS) | |
3009 | return 0; | |
9375101b | 3010 | |
d7837182 | 3011 | /* Get the address for which the lease has been issued. */ |
20916cae TL |
3012 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) { |
3013 | lease_dereference (&lease, MDL); | |
3014 | return 0; | |
3015 | } | |
3016 | memcpy (lease -> ip_addr.iabuf, addr, len); | |
3017 | lease -> ip_addr.len = len; | |
d7837182 | 3018 | |
20916cae TL |
3019 | if (!parse_lbrace (cfile)) { |
3020 | lease_dereference (&lease, MDL); | |
3021 | return 0; | |
3022 | } | |
7dfc8ac2 | 3023 | |
d7837182 | 3024 | do { |
b3519f23 | 3025 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 3026 | if (token == RBRACE) |
d7837182 | 3027 | break; |
0b69dcc8 | 3028 | else if (token == END_OF_FILE) { |
35454d8a | 3029 | parse_warn (cfile, "unexpected end of file"); |
5376e3e9 TL |
3030 | break; |
3031 | } | |
ece6ea33 | 3032 | strncpy (tbuf, val, sizeof tbuf); |
d7837182 TL |
3033 | tbuf [(sizeof tbuf) - 1] = 0; |
3034 | ||
3035 | /* Parse any of the times associated with the lease. */ | |
9e9b2261 TL |
3036 | switch (token) { |
3037 | case STARTS: | |
3038 | case ENDS: | |
3039 | case TIMESTAMP: | |
3040 | case TSTP: | |
3041 | case TSFP: | |
88cd8aca | 3042 | case ATSFP: |
8c8e27c5 | 3043 | case CLTT: |
7dfc8ac2 | 3044 | t = parse_date (cfile); |
d7837182 TL |
3045 | switch (token) { |
3046 | case STARTS: | |
3047 | seenbit = 1; | |
20916cae | 3048 | lease -> starts = t; |
d7837182 TL |
3049 | break; |
3050 | ||
3051 | case ENDS: | |
3052 | seenbit = 2; | |
20916cae | 3053 | lease -> ends = t; |
d7837182 TL |
3054 | break; |
3055 | ||
9e9b2261 TL |
3056 | case TSTP: |
3057 | seenbit = 65536; | |
20916cae | 3058 | lease -> tstp = t; |
19d868b2 | 3059 | break; |
9e9b2261 TL |
3060 | |
3061 | case TSFP: | |
3062 | seenbit = 131072; | |
20916cae | 3063 | lease -> tsfp = t; |
d7837182 | 3064 | break; |
88cd8aca DH |
3065 | |
3066 | case ATSFP: | |
3067 | seenbit = 262144; | |
3068 | lease->atsfp = t; | |
3069 | break; | |
9e9b2261 | 3070 | |
8c8e27c5 TL |
3071 | case CLTT: |
3072 | seenbit = 524288; | |
20916cae | 3073 | lease -> cltt = t; |
8c8e27c5 TL |
3074 | break; |
3075 | ||
9e9b2261 | 3076 | default: /* for gcc, we'll never get here. */ |
98311e4b DH |
3077 | log_fatal ("Impossible error at %s:%d.", MDL); |
3078 | return 0; | |
9e9b2261 TL |
3079 | } |
3080 | break; | |
d7837182 | 3081 | |
c57db45c | 3082 | /* Colon-separated hexadecimal octets... */ |
9e9b2261 TL |
3083 | case UID: |
3084 | seenbit = 8; | |
b3519f23 | 3085 | token = peek_token (&val, (unsigned *)0, cfile); |
9e9b2261 TL |
3086 | if (token == STRING) { |
3087 | unsigned char *tuid; | |
dc9d7b08 | 3088 | skip_token(&val, &buflen, cfile); |
a3cd7f28 | 3089 | if (buflen < sizeof lease -> uid_buf) { |
b3519f23 | 3090 | tuid = lease -> uid_buf; |
a3cd7f28 TL |
3091 | lease -> uid_max = |
3092 | sizeof lease -> uid_buf; | |
3093 | } else { | |
b3519f23 TL |
3094 | tuid = ((unsigned char *) |
3095 | dmalloc (buflen, MDL)); | |
3096 | if (!tuid) { | |
3097 | log_error ("no space for uid"); | |
3098 | lease_dereference (&lease, | |
3099 | MDL); | |
3100 | return 0; | |
3101 | } | |
a3cd7f28 | 3102 | lease -> uid_max = buflen; |
d7837182 | 3103 | } |
7ebf32da | 3104 | lease -> uid_len = buflen; |
20916cae TL |
3105 | memcpy (tuid, val, lease -> uid_len); |
3106 | lease -> uid = tuid; | |
9e9b2261 | 3107 | } else { |
b3519f23 | 3108 | buflen = 0; |
20916cae TL |
3109 | lease -> uid = (parse_numeric_aggregate |
3110 | (cfile, (unsigned char *)0, | |
b3519f23 | 3111 | &buflen, ':', 16, 8)); |
20916cae TL |
3112 | if (!lease -> uid) { |
3113 | lease_dereference (&lease, MDL); | |
3114 | return 0; | |
3115 | } | |
7ebf32da | 3116 | lease -> uid_len = buflen; |
a3cd7f28 | 3117 | lease -> uid_max = buflen; |
20916cae TL |
3118 | if (lease -> uid_len == 0) { |
3119 | lease -> uid = (unsigned char *)0; | |
9e9b2261 TL |
3120 | parse_warn (cfile, "zero-length uid"); |
3121 | seenbit = 0; | |
d0463358 | 3122 | parse_semi (cfile); |
9e9b2261 TL |
3123 | break; |
3124 | } | |
3125 | } | |
d0463358 | 3126 | parse_semi (cfile); |
20916cae | 3127 | if (!lease -> uid) { |
9e9b2261 TL |
3128 | log_fatal ("No memory for lease uid"); |
3129 | } | |
3130 | break; | |
a55ccdd0 | 3131 | |
9e9b2261 TL |
3132 | case CLASS: |
3133 | seenbit = 32; | |
b3519f23 | 3134 | token = next_token (&val, (unsigned *)0, cfile); |
9e9b2261 TL |
3135 | if (!is_identifier (token)) { |
3136 | if (token != SEMI) | |
3137 | skip_to_rbrace (cfile, 1); | |
20916cae TL |
3138 | lease_dereference (&lease, MDL); |
3139 | return 0; | |
9e9b2261 | 3140 | } |
d0463358 | 3141 | parse_semi (cfile); |
9e9b2261 TL |
3142 | /* for now, we aren't using this. */ |
3143 | break; | |
ccf5778a | 3144 | |
9e9b2261 TL |
3145 | case HARDWARE: |
3146 | seenbit = 64; | |
3147 | parse_hardware_param (cfile, | |
20916cae | 3148 | &lease -> hardware_addr); |
9e9b2261 TL |
3149 | break; |
3150 | ||
a55ccdd0 DH |
3151 | case TOKEN_RESERVED: |
3152 | seenbit = 0; | |
3153 | lease->flags |= RESERVED_LEASE; | |
3154 | parse_semi(cfile); | |
3155 | break; | |
3156 | ||
9e9b2261 | 3157 | case DYNAMIC_BOOTP: |
a55ccdd0 | 3158 | seenbit = 0; |
98311e4b | 3159 | lease -> flags |= BOOTP_LEASE; |
d0463358 | 3160 | parse_semi (cfile); |
9e9b2261 | 3161 | break; |
a55ccdd0 DH |
3162 | |
3163 | /* XXX: Reverse compatibility? */ | |
007e3ee4 TL |
3164 | case TOKEN_ABANDONED: |
3165 | seenbit = 256; | |
3166 | lease -> binding_state = FTS_ABANDONED; | |
3167 | lease -> next_binding_state = FTS_ABANDONED; | |
d0463358 | 3168 | parse_semi (cfile); |
9e9b2261 TL |
3169 | break; |
3170 | ||
007e3ee4 TL |
3171 | case TOKEN_NEXT: |
3172 | seenbit = 128; | |
b3519f23 | 3173 | token = next_token (&val, (unsigned *)0, cfile); |
301a5b66 TL |
3174 | if (token != BINDING) { |
3175 | parse_warn (cfile, "expecting 'binding'"); | |
3176 | skip_to_semi (cfile); | |
3177 | break; | |
3178 | } | |
007e3ee4 TL |
3179 | goto do_binding_state; |
3180 | ||
fdfebedf DH |
3181 | case REWIND: |
3182 | seenbit = 512; | |
3183 | token = next_token(&val, NULL, cfile); | |
3184 | if (token != BINDING) { | |
3185 | parse_warn(cfile, "expecting 'binding'"); | |
3186 | skip_to_semi(cfile); | |
3187 | break; | |
3188 | } | |
3189 | goto do_binding_state; | |
3190 | ||
007e3ee4 | 3191 | case BINDING: |
9e9b2261 | 3192 | seenbit = 256; |
007e3ee4 TL |
3193 | |
3194 | do_binding_state: | |
b3519f23 | 3195 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
3196 | if (token != STATE) { |
3197 | parse_warn (cfile, "expecting 'state'"); | |
3198 | skip_to_semi (cfile); | |
3199 | break; | |
3200 | } | |
b3519f23 | 3201 | token = next_token (&val, (unsigned *)0, cfile); |
007e3ee4 TL |
3202 | switch (token) { |
3203 | case TOKEN_ABANDONED: | |
e15d235d | 3204 | new_state = FTS_ABANDONED; |
007e3ee4 TL |
3205 | break; |
3206 | case TOKEN_FREE: | |
e15d235d | 3207 | new_state = FTS_FREE; |
007e3ee4 TL |
3208 | break; |
3209 | case TOKEN_ACTIVE: | |
e15d235d | 3210 | new_state = FTS_ACTIVE; |
007e3ee4 TL |
3211 | break; |
3212 | case TOKEN_EXPIRED: | |
e15d235d | 3213 | new_state = FTS_EXPIRED; |
007e3ee4 TL |
3214 | break; |
3215 | case TOKEN_RELEASED: | |
e15d235d | 3216 | new_state = FTS_RELEASED; |
007e3ee4 TL |
3217 | break; |
3218 | case TOKEN_RESET: | |
e15d235d | 3219 | new_state = FTS_RESET; |
007e3ee4 TL |
3220 | break; |
3221 | case TOKEN_BACKUP: | |
e15d235d | 3222 | new_state = FTS_BACKUP; |
007e3ee4 | 3223 | break; |
a55ccdd0 DH |
3224 | |
3225 | /* RESERVED and BOOTP states preserved for | |
20ae1aff | 3226 | * compatibleness with older versions. |
a55ccdd0 | 3227 | */ |
007e3ee4 | 3228 | case TOKEN_RESERVED: |
98311e4b | 3229 | new_state = FTS_ACTIVE; |
a55ccdd0 | 3230 | lease->flags |= RESERVED_LEASE; |
007e3ee4 TL |
3231 | break; |
3232 | case TOKEN_BOOTP: | |
98311e4b | 3233 | new_state = FTS_ACTIVE; |
a55ccdd0 | 3234 | lease->flags |= BOOTP_LEASE; |
007e3ee4 | 3235 | break; |
a55ccdd0 | 3236 | |
007e3ee4 TL |
3237 | default: |
3238 | parse_warn (cfile, | |
3239 | "%s: expecting a binding state.", | |
3240 | val); | |
3241 | skip_to_semi (cfile); | |
98311e4b | 3242 | return 0; |
007e3ee4 | 3243 | } |
e15d235d TL |
3244 | |
3245 | if (seenbit == 256) { | |
3246 | lease -> binding_state = new_state; | |
3247 | ||
fdfebedf DH |
3248 | /* |
3249 | * Apply default/conservative next/rewind | |
3250 | * binding states if they haven't been set | |
3251 | * yet. These defaults will be over-ridden if | |
3252 | * they are set later in parsing. | |
3253 | */ | |
e15d235d | 3254 | if (!(seenmask & 128)) |
fdfebedf DH |
3255 | lease->next_binding_state = new_state; |
3256 | ||
3257 | /* The most conservative rewind state. */ | |
3258 | if (!(seenmask & 512)) | |
3259 | lease->rewind_binding_state = new_state; | |
3260 | } else if (seenbit == 128) | |
e15d235d | 3261 | lease -> next_binding_state = new_state; |
fdfebedf DH |
3262 | else if (seenbit == 512) |
3263 | lease->rewind_binding_state = new_state; | |
3264 | else | |
3265 | log_fatal("Impossible condition at %s:%d.", | |
3266 | MDL); | |
3267 | ||
d0463358 | 3268 | parse_semi (cfile); |
9e9b2261 | 3269 | break; |
ccf5778a | 3270 | |
9e9b2261 TL |
3271 | case CLIENT_HOSTNAME: |
3272 | seenbit = 1024; | |
b3519f23 TL |
3273 | token = peek_token (&val, (unsigned *)0, cfile); |
3274 | if (token == STRING) { | |
3275 | if (!parse_string (cfile, | |
3276 | &lease -> client_hostname, | |
3277 | (unsigned *)0)) { | |
3278 | lease_dereference (&lease, MDL); | |
3279 | return 0; | |
3280 | } | |
3281 | } else { | |
20916cae | 3282 | lease -> client_hostname = |
9e9b2261 | 3283 | parse_host_name (cfile); |
20916cae | 3284 | if (lease -> client_hostname) |
d0463358 | 3285 | parse_semi (cfile); |
b3519f23 TL |
3286 | else { |
3287 | parse_warn (cfile, | |
3288 | "expecting a hostname."); | |
3289 | skip_to_semi (cfile); | |
3290 | lease_dereference (&lease, MDL); | |
3291 | return 0; | |
3292 | } | |
d0463358 | 3293 | } |
9e9b2261 TL |
3294 | break; |
3295 | ||
3296 | case BILLING: | |
3297 | seenbit = 2048; | |
f545ef7f | 3298 | class = (struct class *)0; |
b3519f23 | 3299 | token = next_token (&val, (unsigned *)0, cfile); |
9e9b2261 | 3300 | if (token == CLASS) { |
b3519f23 TL |
3301 | token = next_token (&val, |
3302 | (unsigned *)0, cfile); | |
9e9b2261 TL |
3303 | if (token != STRING) { |
3304 | parse_warn (cfile, "expecting string"); | |
88dcab62 TL |
3305 | if (token != SEMI) |
3306 | skip_to_semi (cfile); | |
9e9b2261 TL |
3307 | token = BILLING; |
3308 | break; | |
88dcab62 | 3309 | } |
aaafa64a | 3310 | if (lease -> billing_class) |
ed1dc2c5 TL |
3311 | class_dereference (&lease -> billing_class, |
3312 | MDL); | |
f545ef7f TL |
3313 | find_class (&class, val, MDL); |
3314 | if (!class) | |
9e9b2261 TL |
3315 | parse_warn (cfile, |
3316 | "unknown class %s", val); | |
3317 | parse_semi (cfile); | |
3318 | } else if (token == SUBCLASS) { | |
20916cae | 3319 | if (lease -> billing_class) |
ed1dc2c5 TL |
3320 | class_dereference (&lease -> billing_class, |
3321 | MDL); | |
06e77c34 DH |
3322 | parse_class_declaration(&class, cfile, NULL, |
3323 | CLASS_TYPE_SUBCLASS); | |
9e9b2261 TL |
3324 | } else { |
3325 | parse_warn (cfile, "expecting \"class\""); | |
3326 | if (token != SEMI) | |
3327 | skip_to_semi (cfile); | |
3328 | } | |
f545ef7f | 3329 | if (class) { |
ed1dc2c5 TL |
3330 | class_reference (&lease -> billing_class, |
3331 | class, MDL); | |
f545ef7f TL |
3332 | class_dereference (&class, MDL); |
3333 | } | |
9e9b2261 | 3334 | break; |
96d7d13e | 3335 | |
9e9b2261 TL |
3336 | case ON: |
3337 | on = (struct executable_statement *)0; | |
3338 | lose = 0; | |
3339 | if (!parse_on_statement (&on, cfile, &lose)) { | |
3340 | skip_to_rbrace (cfile, 1); | |
20916cae TL |
3341 | lease_dereference (&lease, MDL); |
3342 | return 0; | |
7dfc8ac2 | 3343 | } |
436f1c8c | 3344 | seenbit = 0; |
a7341359 SR |
3345 | if ((on->data.on.evtypes & ON_EXPIRY) && |
3346 | on->data.on.statements) { | |
436f1c8c | 3347 | seenbit |= 16384; |
9e9b2261 | 3348 | executable_statement_reference |
a7341359 SR |
3349 | (&lease->on_star.on_expiry, |
3350 | on->data.on.statements, MDL); | |
d0463358 | 3351 | } |
a7341359 SR |
3352 | if ((on->data.on.evtypes & ON_RELEASE) && |
3353 | on->data.on.statements) { | |
436f1c8c | 3354 | seenbit |= 32768; |
9e9b2261 | 3355 | executable_statement_reference |
a7341359 SR |
3356 | (&lease->on_star.on_release, |
3357 | on->data.on.statements, MDL); | |
9e9b2261 | 3358 | } |
436f1c8c | 3359 | executable_statement_dereference (&on, MDL); |
9e9b2261 | 3360 | break; |
7285af30 | 3361 | |
9e383163 | 3362 | case OPTION: |
a609e69b | 3363 | case SUPERSEDE: |
9e383163 TL |
3364 | noequal = 0; |
3365 | seenbit = 0; | |
3366 | oc = (struct option_cache *)0; | |
3367 | if (parse_option_decl (&oc, cfile)) { | |
6c5223f5 TL |
3368 | if (oc -> option -> universe != |
3369 | &agent_universe) { | |
3370 | parse_warn (cfile, | |
3371 | "agent option expected."); | |
3372 | option_cache_dereference (&oc, MDL); | |
3373 | break; | |
3374 | } | |
3375 | if (!lease -> agent_options && | |
3376 | !(option_chain_head_allocate | |
3377 | (&lease -> agent_options, MDL))) { | |
3378 | log_error ("no memory to stash agent option"); | |
3379 | break; | |
3380 | } | |
3381 | for (p = &lease -> agent_options -> first; | |
3382 | *p; p = &((*p) -> cdr)) | |
3383 | ; | |
3384 | *p = cons (0, 0); | |
3385 | option_cache_reference (((struct option_cache **) | |
3386 | &((*p) -> car)), oc, MDL); | |
3387 | option_cache_dereference (&oc, MDL); | |
9e383163 TL |
3388 | } |
3389 | break; | |
3390 | ||
436f1c8c TL |
3391 | case TOKEN_SET: |
3392 | noequal = 0; | |
3393 | ||
b3519f23 | 3394 | token = next_token (&val, (unsigned *)0, cfile); |
436f1c8c TL |
3395 | if (token != NAME && token != NUMBER_OR_NAME) { |
3396 | parse_warn (cfile, | |
3397 | "%s can't be a variable name", | |
3398 | val); | |
3399 | badset: | |
3400 | skip_to_semi (cfile); | |
20916cae TL |
3401 | lease_dereference (&lease, MDL); |
3402 | return 0; | |
436f1c8c TL |
3403 | } |
3404 | ||
3405 | seenbit = 0; | |
3406 | special_set: | |
6ceb9118 TL |
3407 | if (lease -> scope) |
3408 | binding = find_binding (lease -> scope, val); | |
3409 | else | |
3410 | binding = (struct binding *)0; | |
7285af30 | 3411 | |
436f1c8c | 3412 | if (!binding) { |
6ceb9118 TL |
3413 | if (!lease -> scope) |
3414 | if (!(binding_scope_allocate | |
3415 | (&lease -> scope, MDL))) | |
3416 | log_fatal ("no memory for scope"); | |
d758ad8c TL |
3417 | binding = dmalloc (sizeof *binding, MDL); |
3418 | if (!binding) | |
3419 | log_fatal ("No memory for lease %s.", | |
3420 | "binding"); | |
3421 | memset (binding, 0, sizeof *binding); | |
3422 | binding -> name = | |
3423 | dmalloc (strlen (val) + 1, MDL); | |
3424 | if (!binding -> name) | |
3425 | log_fatal ("No memory for binding %s.", | |
3426 | "name"); | |
3427 | strcpy (binding -> name, val); | |
3428 | newbinding = 1; | |
98311e4b | 3429 | } else { |
7285af30 | 3430 | newbinding = 0; |
436f1c8c | 3431 | } |
98311e4b | 3432 | |
8bfe717e | 3433 | nv = NULL; |
7285af30 DH |
3434 | if (!binding_value_allocate(&nv, MDL)) |
3435 | log_fatal("no memory for binding value."); | |
436f1c8c TL |
3436 | |
3437 | if (!noequal) { | |
b3519f23 | 3438 | token = next_token (&val, (unsigned *)0, cfile); |
436f1c8c TL |
3439 | if (token != EQUAL) { |
3440 | parse_warn (cfile, | |
3441 | "expecting '=' in set statement."); | |
3442 | goto badset; | |
3443 | } | |
3444 | } | |
3445 | ||
7285af30 DH |
3446 | if (!parse_binding_value(cfile, nv)) { |
3447 | binding_value_dereference(&nv, MDL); | |
3448 | lease_dereference(&lease, MDL); | |
20916cae | 3449 | return 0; |
436f1c8c | 3450 | } |
7285af30 | 3451 | |
436f1c8c | 3452 | if (newbinding) { |
7285af30 DH |
3453 | binding_value_reference(&binding->value, |
3454 | nv, MDL); | |
3455 | binding->next = lease->scope->bindings; | |
3456 | lease->scope->bindings = binding; | |
3457 | } else { | |
3458 | binding_value_dereference(&binding->value, MDL); | |
3459 | binding_value_reference(&binding->value, | |
3460 | nv, MDL); | |
436f1c8c | 3461 | } |
7285af30 DH |
3462 | |
3463 | binding_value_dereference(&nv, MDL); | |
3464 | parse_semi(cfile); | |
436f1c8c TL |
3465 | break; |
3466 | ||
7285af30 | 3467 | /* case NAME: */ |
9e9b2261 | 3468 | default: |
436f1c8c TL |
3469 | if (!strcasecmp (val, "ddns-fwd-name")) { |
3470 | seenbit = 4096; | |
3471 | noequal = 1; | |
3472 | goto special_set; | |
3473 | } else if (!strcasecmp (val, "ddns-rev-name")) { | |
3474 | seenbit = 8192; | |
3475 | noequal = 1; | |
3476 | goto special_set; | |
7285af30 DH |
3477 | } else |
3478 | parse_warn(cfile, "Unexpected configuration " | |
3479 | "directive."); | |
9e9b2261 TL |
3480 | skip_to_semi (cfile); |
3481 | seenbit = 0; | |
20916cae TL |
3482 | lease_dereference (&lease, MDL); |
3483 | return 0; | |
9e9b2261 | 3484 | } |
7dfc8ac2 | 3485 | |
d7837182 | 3486 | if (seenmask & seenbit) { |
35454d8a TL |
3487 | parse_warn (cfile, |
3488 | "Too many %s parameters in lease %s\n", | |
20916cae | 3489 | tbuf, piaddr (lease -> ip_addr)); |
d7837182 TL |
3490 | } else |
3491 | seenmask |= seenbit; | |
7dfc8ac2 | 3492 | |
d7837182 | 3493 | } while (1); |
8afe0787 TL |
3494 | |
3495 | /* If no binding state is specified, make one up. */ | |
3496 | if (!(seenmask & 256)) { | |
a7341359 SR |
3497 | if (lease->ends > cur_time || |
3498 | lease->on_star.on_expiry || lease->on_star.on_release) | |
3499 | lease->binding_state = FTS_ACTIVE; | |
301a5b66 | 3500 | #if defined (FAILOVER_PROTOCOL) |
a7341359 SR |
3501 | else if (lease->pool && lease->pool->failover_peer) |
3502 | lease->binding_state = FTS_EXPIRED; | |
301a5b66 | 3503 | #endif |
8afe0787 | 3504 | else |
a7341359 SR |
3505 | lease->binding_state = FTS_FREE; |
3506 | if (lease->binding_state == FTS_ACTIVE) { | |
301a5b66 | 3507 | #if defined (FAILOVER_PROTOCOL) |
a7341359 SR |
3508 | if (lease->pool && lease->pool->failover_peer) |
3509 | lease->next_binding_state = FTS_EXPIRED; | |
e73a0769 | 3510 | else |
301a5b66 | 3511 | #endif |
a7341359 | 3512 | lease->next_binding_state = FTS_FREE; |
e73a0769 | 3513 | } else |
a7341359 | 3514 | lease->next_binding_state = lease->binding_state; |
fdfebedf DH |
3515 | |
3516 | /* The most conservative rewind state implies no rewind. */ | |
3517 | lease->rewind_binding_state = lease->binding_state; | |
8afe0787 TL |
3518 | } |
3519 | ||
6f8a0361 | 3520 | if (!(seenmask & 65536)) |
a7341359 | 3521 | lease->tstp = lease->ends; |
6f8a0361 | 3522 | |
20916cae TL |
3523 | lease_reference (lp, lease, MDL); |
3524 | lease_dereference (&lease, MDL); | |
3525 | return 1; | |
d7837182 TL |
3526 | } |
3527 | ||
7285af30 DH |
3528 | /* Parse the right side of a 'binding value'. |
3529 | * | |
3530 | * set foo = "bar"; is a string | |
3531 | * set foo = false; is a boolean | |
3532 | * set foo = %31; is a numeric value. | |
3533 | */ | |
3534 | static int | |
3535 | parse_binding_value(struct parse *cfile, struct binding_value *value) | |
3536 | { | |
3537 | struct data_string *data; | |
3538 | unsigned char *s; | |
3539 | const char *val; | |
3540 | unsigned buflen; | |
3541 | int token; | |
3542 | ||
3543 | if ((cfile == NULL) || (value == NULL)) | |
3544 | log_fatal("Invalid arguments at %s:%d.", MDL); | |
3545 | ||
3546 | token = peek_token(&val, NULL, cfile); | |
3547 | if (token == STRING) { | |
dc9d7b08 | 3548 | skip_token(&val, &buflen, cfile); |
7285af30 DH |
3549 | |
3550 | value->type = binding_data; | |
3551 | value->value.data.len = buflen; | |
3552 | ||
3553 | data = &value->value.data; | |
3554 | ||
3555 | if (!buffer_allocate(&data->buffer, buflen + 1, MDL)) | |
3556 | log_fatal ("No memory for binding."); | |
3557 | ||
3558 | memcpy(data->buffer->data, val, buflen + 1); | |
3559 | ||
3560 | data->data = data->buffer->data; | |
3561 | data->terminated = 1; | |
3562 | } else if (token == NUMBER_OR_NAME) { | |
3563 | value->type = binding_data; | |
3564 | ||
3565 | data = &value->value.data; | |
3566 | s = parse_numeric_aggregate(cfile, NULL, &data->len, | |
3567 | ':', 16, 8); | |
3568 | if (s == NULL) { | |
3569 | skip_to_semi(cfile); | |
3570 | return 0; | |
3571 | } | |
3572 | ||
3573 | if (data->len) { | |
3574 | if (!buffer_allocate(&data->buffer, data->len + 1, | |
3575 | MDL)) | |
3576 | log_fatal("No memory for binding."); | |
3577 | ||
3578 | memcpy(data->buffer->data, s, data->len); | |
3579 | data->data = data->buffer->data; | |
3580 | ||
3581 | dfree (s, MDL); | |
3582 | } | |
3583 | } else if (token == PERCENT) { | |
dc9d7b08 | 3584 | skip_token(&val, NULL, cfile); |
7285af30 DH |
3585 | token = next_token(&val, NULL, cfile); |
3586 | if (token != NUMBER) { | |
3587 | parse_warn(cfile, "expecting decimal number."); | |
3588 | if (token != SEMI) | |
3589 | skip_to_semi(cfile); | |
3590 | return 0; | |
3591 | } | |
3592 | value->type = binding_numeric; | |
3593 | value->value.intval = atol(val); | |
3594 | } else if (token == NAME) { | |
3595 | token = next_token(&val, NULL, cfile); | |
3596 | value->type = binding_boolean; | |
3597 | if (!strcasecmp(val, "true")) | |
3598 | value->value.boolean = 1; | |
3599 | else if (!strcasecmp(val, "false")) | |
3600 | value->value.boolean = 0; | |
3601 | else { | |
3602 | parse_warn(cfile, "expecting true or false"); | |
3603 | if (token != SEMI) | |
3604 | skip_to_semi(cfile); | |
3605 | return 0; | |
3606 | } | |
3607 | } else { | |
3608 | parse_warn (cfile, "expecting a constant value."); | |
3609 | if (token != SEMI) | |
3610 | skip_to_semi (cfile); | |
3611 | return 0; | |
3612 | } | |
3613 | ||
3614 | return 1; | |
3615 | } | |
3616 | ||
2d59f590 TL |
3617 | /* address-range-declaration :== ip-address ip-address SEMI |
3618 | | DYNAMIC_BOOTP ip-address ip-address SEMI */ | |
d7837182 | 3619 | |
98311e4b | 3620 | void parse_address_range (cfile, group, type, inpool, lpchain) |
35454d8a | 3621 | struct parse *cfile; |
f63b4929 TL |
3622 | struct group *group; |
3623 | int type; | |
20916cae | 3624 | struct pool *inpool; |
98311e4b | 3625 | struct lease **lpchain; |
d7837182 | 3626 | { |
f63b4929 | 3627 | struct iaddr low, high, net; |
d7837182 | 3628 | unsigned char addr [4]; |
b1b7b521 | 3629 | unsigned len = sizeof addr; |
6f8fb41f | 3630 | enum dhcp_token token; |
b1b7b521 | 3631 | const char *val; |
1f814ff2 | 3632 | int dynamic = 0; |
f63b4929 TL |
3633 | struct subnet *subnet; |
3634 | struct shared_network *share; | |
20916cae TL |
3635 | struct pool *pool; |
3636 | isc_result_t status; | |
1f814ff2 | 3637 | |
b3519f23 TL |
3638 | if ((token = peek_token (&val, |
3639 | (unsigned *)0, cfile)) == DYNAMIC_BOOTP) { | |
dc9d7b08 | 3640 | skip_token(&val, (unsigned *)0, cfile); |
ece6ea33 | 3641 | dynamic = 1; |
1f814ff2 | 3642 | } |
d7837182 TL |
3643 | |
3644 | /* Get the bottom address in the range... */ | |
7dfc8ac2 TL |
3645 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) |
3646 | return; | |
089fb364 TL |
3647 | memcpy (low.iabuf, addr, len); |
3648 | low.len = len; | |
d7837182 | 3649 | |
2d59f590 | 3650 | /* Only one address? */ |
b3519f23 | 3651 | token = peek_token (&val, (unsigned *)0, cfile); |
2d59f590 TL |
3652 | if (token == SEMI) |
3653 | high = low; | |
3654 | else { | |
d7837182 | 3655 | /* Get the top address in the range... */ |
2d59f590 TL |
3656 | if (!parse_numeric_aggregate (cfile, addr, &len, DOT, 10, 8)) |
3657 | return; | |
3658 | memcpy (high.iabuf, addr, len); | |
3659 | high.len = len; | |
3660 | } | |
d7837182 | 3661 | |
b3519f23 | 3662 | token = next_token (&val, (unsigned *)0, cfile); |
7dfc8ac2 | 3663 | if (token != SEMI) { |
35454d8a | 3664 | parse_warn (cfile, "semicolon expected."); |
7dfc8ac2 TL |
3665 | skip_to_semi (cfile); |
3666 | return; | |
3667 | } | |
3668 | ||
f63b4929 TL |
3669 | if (type == SUBNET_DECL) { |
3670 | subnet = group -> subnet; | |
3671 | share = subnet -> shared_network; | |
3672 | } else { | |
3673 | share = group -> shared_network; | |
3674 | for (subnet = share -> subnets; | |
3675 | subnet; subnet = subnet -> next_sibling) { | |
3676 | net = subnet_number (low, subnet -> netmask); | |
e5e41be4 | 3677 | if (addr_eq (net, subnet -> net)) |
f63b4929 TL |
3678 | break; |
3679 | } | |
3680 | if (!subnet) { | |
35454d8a | 3681 | parse_warn (cfile, "address range not on network %s", |
f63b4929 | 3682 | group -> shared_network -> name); |
e5e41be4 TL |
3683 | log_error ("Be sure to place pool statement after %s", |
3684 | "related subnet declarations."); | |
f63b4929 TL |
3685 | return; |
3686 | } | |
3687 | } | |
3688 | ||
20916cae | 3689 | if (!inpool) { |
0a1dfb65 | 3690 | struct pool *last = (struct pool *)0; |
9e9b2261 | 3691 | |
f63b4929 TL |
3692 | /* If we're permitting dynamic bootp for this range, |
3693 | then look for a pool with an empty prohibit list and | |
436f1c8c | 3694 | a permit list with one entry that permits all clients. */ |
f63b4929 | 3695 | for (pool = share -> pools; pool; pool = pool -> next) { |
436f1c8c TL |
3696 | if ((!dynamic && !pool -> permit_list && |
3697 | pool -> prohibit_list && | |
3698 | !pool -> prohibit_list -> next && | |
3699 | (pool -> prohibit_list -> type == | |
3700 | permit_dynamic_bootp_clients)) || | |
3701 | (dynamic && !pool -> prohibit_list && | |
f63b4929 TL |
3702 | pool -> permit_list && |
3703 | !pool -> permit_list -> next && | |
3704 | (pool -> permit_list -> type == | |
d9eefc5d | 3705 | permit_all_clients))) { |
436f1c8c | 3706 | break; |
f63b4929 TL |
3707 | } |
3708 | last = pool; | |
3709 | } | |
3710 | ||
3711 | /* If we didn't get a pool, make one. */ | |
3712 | if (!pool) { | |
436f1c8c | 3713 | struct permit *p; |
20916cae TL |
3714 | status = pool_allocate (&pool, MDL); |
3715 | if (status != ISC_R_SUCCESS) | |
3716 | log_fatal ("no memory for ad-hoc pool: %s", | |
3717 | isc_result_totext (status)); | |
436f1c8c TL |
3718 | p = new_permit (MDL); |
3719 | if (!p) | |
3720 | log_fatal ("no memory for ad-hoc permit."); | |
3721 | ||
3722 | /* Dynamic pools permit all clients. Otherwise | |
3723 | we prohibit BOOTP clients. */ | |
f63b4929 | 3724 | if (dynamic) { |
436f1c8c TL |
3725 | p -> type = permit_all_clients; |
3726 | pool -> permit_list = p; | |
3727 | } else { | |
3728 | p -> type = permit_dynamic_bootp_clients; | |
3729 | pool -> prohibit_list = p; | |
f63b4929 | 3730 | } |
436f1c8c | 3731 | |
f63b4929 | 3732 | if (share -> pools) |
20916cae | 3733 | pool_reference (&last -> next, pool, MDL); |
f63b4929 | 3734 | else |
20916cae TL |
3735 | pool_reference (&share -> pools, pool, MDL); |
3736 | shared_network_reference (&pool -> shared_network, | |
3737 | share, MDL); | |
3738 | if (!clone_group (&pool -> group, share -> group, MDL)) | |
3739 | log_fatal ("no memory for anon pool group."); | |
a79ed92b TL |
3740 | } else { |
3741 | pool = (struct pool *)0; | |
0a1dfb65 TL |
3742 | if (last) |
3743 | pool_reference (&pool, last, MDL); | |
3744 | else | |
3745 | pool_reference (&pool, share -> pools, MDL); | |
f63b4929 | 3746 | } |
a79ed92b TL |
3747 | } else { |
3748 | pool = (struct pool *)0; | |
20916cae | 3749 | pool_reference (&pool, inpool, MDL); |
a79ed92b | 3750 | } |
20916cae | 3751 | |
c5261618 TL |
3752 | #if defined (FAILOVER_PROTOCOL) |
3753 | if (pool -> failover_peer && dynamic) { | |
3754 | /* Doctor, do you think I'm overly sensitive | |
3755 | about getting bug reports I can't fix? */ | |
3756 | parse_warn (cfile, "dynamic-bootp flag is %s", | |
3757 | "not permitted for address"); | |
3758 | log_error ("range declarations where there is a failover"); | |
3759 | log_error ("peer in scope. If you wish to declare an"); | |
3760 | log_error ("address range from which dynamic bootp leases"); | |
3761 | log_error ("can be allocated, please declare it within a"); | |
3762 | log_error ("pool declaration that also contains the \"no"); | |
3763 | log_error ("failover\" statement. The failover protocol"); | |
3764 | log_error ("itself does not permit dynamic bootp - this"); | |
3765 | log_error ("is not a limitation specific to the ISC DHCP"); | |
3766 | log_error ("server. Please don't ask me to defend this"); | |
3767 | log_error ("until you have read and really tried %s", | |
3768 | "to understand"); | |
3769 | log_error ("the failover protocol specification."); | |
3770 | ||
3771 | /* We don't actually bomb at this point - instead, | |
3772 | we let parse_lease_file notice the error and | |
3773 | bomb at that point - it's easier. */ | |
f63b4929 | 3774 | } |
c5261618 | 3775 | #endif /* FAILOVER_PROTOCOL */ |
f63b4929 | 3776 | |
d7837182 | 3777 | /* Create the new address range... */ |
98311e4b | 3778 | new_address_range (cfile, low, high, subnet, pool, lpchain); |
20916cae | 3779 | pool_dereference (&pool, MDL); |
d7837182 TL |
3780 | } |
3781 | ||
fe5b0fdd | 3782 | #ifdef DHCPv6 |
98bd7ca0 | 3783 | static void |
7d6180be | 3784 | add_ipv6_pool_to_subnet(struct subnet *subnet, u_int16_t type, |
01fa619f SR |
3785 | struct iaddr *lo_addr, int bits, int units, |
3786 | struct ipv6_pond *pond) { | |
98bd7ca0 DH |
3787 | struct ipv6_pool *pool; |
3788 | struct in6_addr tmp_in6_addr; | |
3789 | int num_pools; | |
3790 | struct ipv6_pool **tmp; | |
3791 | ||
3792 | /* | |
3793 | * Create our pool. | |
3794 | */ | |
3795 | if (lo_addr->len != sizeof(tmp_in6_addr)) { | |
3796 | log_fatal("Internal error: Attempt to add non-IPv6 address " | |
3797 | "to IPv6 shared network."); | |
3798 | } | |
3799 | memcpy(&tmp_in6_addr, lo_addr->iabuf, sizeof(tmp_in6_addr)); | |
3800 | pool = NULL; | |
9322442f FD |
3801 | if (ipv6_pool_allocate(&pool, type, &tmp_in6_addr, |
3802 | bits, units, MDL) != ISC_R_SUCCESS) { | |
98bd7ca0 DH |
3803 | log_fatal("Out of memory"); |
3804 | } | |
3805 | ||
3806 | /* | |
3807 | * Add to our global IPv6 pool set. | |
3808 | */ | |
3809 | if (add_ipv6_pool(pool) != ISC_R_SUCCESS) { | |
3810 | log_fatal ("Out of memory"); | |
3811 | } | |
3812 | ||
3813 | /* | |
7d6180be | 3814 | * Link the pool to its network. |
98bd7ca0 | 3815 | */ |
7d6180be DH |
3816 | pool->subnet = NULL; |
3817 | subnet_reference(&pool->subnet, subnet, MDL); | |
98bd7ca0 | 3818 | pool->shared_network = NULL; |
01fa619f SR |
3819 | shared_network_reference(&pool->shared_network, |
3820 | subnet->shared_network, MDL); | |
3821 | pool->ipv6_pond = NULL; | |
3822 | ipv6_pond_reference(&pool->ipv6_pond, pond, MDL); | |
98bd7ca0 DH |
3823 | |
3824 | /* | |
01fa619f | 3825 | * Increase our array size for ipv6_pools in the pond |
98bd7ca0 | 3826 | */ |
01fa619f | 3827 | if (pond->ipv6_pools == NULL) { |
98bd7ca0 DH |
3828 | num_pools = 0; |
3829 | } else { | |
3830 | num_pools = 0; | |
01fa619f | 3831 | while (pond->ipv6_pools[num_pools] != NULL) { |
98bd7ca0 DH |
3832 | num_pools++; |
3833 | } | |
3834 | } | |
3835 | tmp = dmalloc(sizeof(struct ipv6_pool *) * (num_pools + 2), MDL); | |
3836 | if (tmp == NULL) { | |
3837 | log_fatal("Out of memory"); | |
3838 | } | |
3839 | if (num_pools > 0) { | |
01fa619f | 3840 | memcpy(tmp, pond->ipv6_pools, |
98bd7ca0 DH |
3841 | sizeof(struct ipv6_pool *) * num_pools); |
3842 | } | |
01fa619f SR |
3843 | if (pond->ipv6_pools != NULL) { |
3844 | dfree(pond->ipv6_pools, MDL); | |
98bd7ca0 | 3845 | } |
01fa619f | 3846 | pond->ipv6_pools = tmp; |
98bd7ca0 DH |
3847 | |
3848 | /* | |
3849 | * Record this pool in our array of pools for this shared network. | |
3850 | */ | |
01fa619f SR |
3851 | ipv6_pool_reference(&pond->ipv6_pools[num_pools], pool, MDL); |
3852 | pond->ipv6_pools[num_pools+1] = NULL; | |
fb98e02e | 3853 | |
250f7134 SR |
3854 | /* Update the number of elements in the pond. Conveniently |
3855 | * we have the total size of the block in bits and the amount | |
3856 | * we would allocate per element in units. For an address units | |
3857 | * will always be 128, for a prefix it will be something else. | |
fb98e02e TM |
3858 | * |
3859 | * We need to make sure the number of elements isn't too large | |
3860 | * to track. If so, we flag it to avoid wasting time with log | |
3861 | * threshold logic. We also emit a log stating that log-threshold | |
3862 | * will be disabled for the shared-network but that's done | |
3863 | * elsewhere via report_log_threshold(). | |
3864 | * | |
3865 | */ | |
3866 | ||
3867 | /* Only bother if we aren't already flagged as jumbo */ | |
3868 | if (pond->jumbo_range == 0) { | |
3869 | if ((units - bits) > (sizeof(isc_uint64_t) * 8)) { | |
3870 | pond->jumbo_range = 1; | |
3871 | pond->num_total = POND_TRACK_MAX; | |
3872 | } | |
3873 | else { | |
3874 | isc_uint64_t space_left | |
3875 | = POND_TRACK_MAX - pond->num_total; | |
3876 | isc_uint64_t addon | |
3877 | = (isc_uint64_t)(1) << (units - bits); | |
3878 | ||
3879 | if (addon > space_left) { | |
3880 | pond->jumbo_range = 1; | |
3881 | pond->num_total = POND_TRACK_MAX; | |
3882 | } else { | |
3883 | pond->num_total += addon; | |
3884 | } | |
3885 | } | |
3886 | } | |
01fa619f SR |
3887 | } |
3888 | ||
3889 | /*! | |
3890 | * | |
3891 | * \brief Find or create a default pond | |
3892 | * | |
3893 | * Find or create an ipv6_pond on which to attach the ipv6_pools. We | |
3894 | * check the shared network to see if there is a general purpose | |
3895 | * entry - this will have an empty prohibit list and a permit list | |
3896 | * with a single entry that permits all clients. If the shared | |
3897 | * network doesn't have one of them create it and attach it to | |
3898 | * the shared network and the return argument. | |
3899 | * | |
3900 | * This function is used when we have a range6 or prefix6 statement | |
3901 | * inside a subnet6 statement but outside of a pool6 statement. | |
3902 | * This routine constructs the missing ipv6_pond structure so | |
3903 | * we always have | |
3904 | * shared_network -> ipv6_pond -> ipv6_pool | |
3905 | * | |
3906 | * \param[in] group = a pointer to the group structure from which | |
3907 | * we can find the subnet and shared netowrk | |
3908 | * structures | |
3909 | * \param[out] ret_pond = a pointer to space for the pointer to | |
3910 | * the structure to return | |
3911 | * | |
3912 | * \return | |
3913 | * void | |
3914 | */ | |
3915 | static void | |
3916 | add_ipv6_pond_to_network(struct group *group, | |
3917 | struct ipv6_pond **ret_pond) { | |
3918 | ||
3919 | struct ipv6_pond *pond = NULL, *last = NULL; | |
3920 | struct permit *p; | |
3921 | isc_result_t status; | |
3922 | struct shared_network *shared = group->subnet->shared_network; | |
3923 | ||
3924 | for (pond = shared->ipv6_pond; pond; pond = pond->next) { | |
3925 | if ((pond->group->statements == group->statements) && | |
3926 | (pond->prohibit_list == NULL) && | |
3927 | (pond->permit_list != NULL) && | |
3928 | (pond->permit_list->next == NULL) && | |
3929 | (pond->permit_list->type == permit_all_clients)) { | |
3930 | ipv6_pond_reference(ret_pond, pond, MDL); | |
3931 | return; | |
3932 | } | |
3933 | last = pond; | |
3934 | } | |
3935 | ||
3936 | /* no pond available, make one */ | |
3937 | status = ipv6_pond_allocate(&pond, MDL); | |
3938 | if (status != ISC_R_SUCCESS) | |
3939 | log_fatal ("no memory for ad-hoc ipv6 pond: %s", | |
3940 | isc_result_totext (status)); | |
3941 | p = new_permit (MDL); | |
3942 | if (p == NULL) | |
3943 | log_fatal ("no memory for ad-hoc ipv6 permit."); | |
3944 | ||
3945 | /* we permit all clients */ | |
3946 | p->type = permit_all_clients; | |
3947 | pond->permit_list = p; | |
3948 | ||
3949 | /* and attach the pond to the return argument and the shared network */ | |
3950 | ipv6_pond_reference(ret_pond, pond, MDL); | |
3951 | ||
3952 | if (shared->ipv6_pond) | |
3953 | ipv6_pond_reference(&last->next, pond, MDL); | |
3954 | else | |
3955 | ipv6_pond_reference(&shared->ipv6_pond, pond, MDL); | |
3956 | ||
3957 | shared_network_reference(&pond->shared_network, shared, MDL); | |
3958 | if (!clone_group (&pond->group, group, MDL)) | |
3959 | log_fatal ("no memory for anon pool group."); | |
3960 | ||
3961 | ipv6_pond_dereference(&pond, MDL); | |
3962 | return; | |
98bd7ca0 DH |
3963 | } |
3964 | ||
01fa619f | 3965 | |
98bd7ca0 | 3966 | /* address-range6-declaration :== ip-address6 ip-address6 SEMI |
80c9fdb0 | 3967 | | ip-address6 SLASH number SEMI |
783259b1 | 3968 | | ip-address6 [SLASH number] TEMPORARY SEMI */ |
98bd7ca0 DH |
3969 | |
3970 | void | |
01fa619f SR |
3971 | parse_address_range6(struct parse *cfile, |
3972 | struct group *group, | |
3973 | struct ipv6_pond *inpond) { | |
98bd7ca0 DH |
3974 | struct iaddr lo, hi; |
3975 | int bits; | |
3976 | enum dhcp_token token; | |
3977 | const char *val; | |
01fa619f | 3978 | struct iaddrcidrnetlist *nets, net; |
98bd7ca0 | 3979 | struct iaddrcidrnetlist *p; |
783259b1 | 3980 | u_int16_t type = D6O_IA_NA; |
01fa619f | 3981 | struct ipv6_pond *pond = NULL; |
98bd7ca0 | 3982 | |
771484ac EH |
3983 | if (local_family != AF_INET6) { |
3984 | parse_warn(cfile, "range6 statement is only supported " | |
3985 | "in DHCPv6 mode."); | |
3986 | skip_to_semi(cfile); | |
3987 | return; | |
3988 | } | |
3989 | ||
7d6180be DH |
3990 | /* This is enforced by the caller, this is just a sanity check. */ |
3991 | if (group->subnet == NULL) | |
3992 | log_fatal("Impossible condition at %s:%d.", MDL); | |
98bd7ca0 DH |
3993 | |
3994 | /* | |
3995 | * Read starting address. | |
3996 | */ | |
3997 | if (!parse_ip6_addr(cfile, &lo)) { | |
3998 | return; | |
3999 | } | |
4000 | ||
bd49432f TM |
4001 | /* Make sure starting address is within the subnet */ |
4002 | if (!addr_eq(group->subnet->net, | |
4003 | subnet_number(lo, group->subnet->netmask))) { | |
4004 | parse_warn(cfile, "range6 start address is outside the subnet"); | |
4005 | skip_to_semi(cfile); | |
4006 | return; | |
4007 | } | |
4008 | ||
01fa619f SR |
4009 | /* |
4010 | * zero out the net entry in case we use it | |
4011 | */ | |
4012 | memset(&net, 0, sizeof(net)); | |
4013 | net.cidrnet.lo_addr = lo; | |
4014 | ||
98bd7ca0 | 4015 | /* |
80c9fdb0 | 4016 | * See if we we're using range or CIDR notation or TEMPORARY |
98bd7ca0 DH |
4017 | */ |
4018 | token = peek_token(&val, NULL, cfile); | |
4019 | if (token == SLASH) { | |
4020 | /* | |
4021 | * '/' means CIDR notation, so read the bits we want. | |
4022 | */ | |
dc9d7b08 | 4023 | skip_token(NULL, NULL, cfile); |
98bd7ca0 DH |
4024 | token = next_token(&val, NULL, cfile); |
4025 | if (token != NUMBER) { | |
4026 | parse_warn(cfile, "expecting number"); | |
4027 | skip_to_semi(cfile); | |
4028 | return; | |
4029 | } | |
01fa619f SR |
4030 | net.cidrnet.bits = atoi(val); |
4031 | bits = net.cidrnet.bits; | |
98bd7ca0 DH |
4032 | if ((bits < 0) || (bits > 128)) { |
4033 | parse_warn(cfile, "networks have 0 to 128 bits"); | |
4034 | skip_to_semi(cfile); | |
4035 | return; | |
4036 | } | |
bd49432f TM |
4037 | if (bits < group->subnet->prefix_len) { |
4038 | parse_warn(cfile, | |
4039 | "network mask smaller than subnet mask"); | |
4040 | skip_to_semi(cfile); | |
4041 | return; | |
4042 | } | |
01fa619f | 4043 | if (!is_cidr_mask_valid(&net.cidrnet.lo_addr, bits)) { |
9b21e73e SK |
4044 | parse_warn(cfile, "network mask too short"); |
4045 | skip_to_semi(cfile); | |
4046 | return; | |
4047 | } | |
783259b1 FD |
4048 | /* |
4049 | * can be temporary (RFC 4941 like) | |
4050 | */ | |
4051 | token = peek_token(&val, NULL, cfile); | |
4052 | if (token == TEMPORARY) { | |
4053 | if (bits < 64) | |
4054 | parse_warn(cfile, "temporary mask too short"); | |
4055 | if (bits == 128) | |
4056 | parse_warn(cfile, "temporary singleton?"); | |
dc9d7b08 | 4057 | skip_token(NULL, NULL, cfile); |
783259b1 FD |
4058 | type = D6O_IA_TA; |
4059 | } | |
4060 | ||
01fa619f | 4061 | nets = &net; |
98bd7ca0 | 4062 | |
80c9fdb0 FD |
4063 | } else if (token == TEMPORARY) { |
4064 | /* | |
4065 | * temporary (RFC 4941) | |
4066 | */ | |
783259b1 | 4067 | type = D6O_IA_TA; |
dc9d7b08 | 4068 | skip_token(NULL, NULL, cfile); |
01fa619f SR |
4069 | net.cidrnet.bits = 64; |
4070 | if (!is_cidr_mask_valid(&net.cidrnet.lo_addr, | |
4071 | net.cidrnet.bits)) { | |
80c9fdb0 FD |
4072 | parse_warn(cfile, "network mask too short"); |
4073 | skip_to_semi(cfile); | |
4074 | return; | |
4075 | } | |
80c9fdb0 | 4076 | |
01fa619f SR |
4077 | nets = &net; |
4078 | ||
98bd7ca0 DH |
4079 | } else { |
4080 | /* | |
4081 | * No '/', so we are looking for the end address of | |
4082 | * the IPv6 pool. | |
4083 | */ | |
4084 | if (!parse_ip6_addr(cfile, &hi)) { | |
4085 | return; | |
4086 | } | |
4087 | ||
bd49432f TM |
4088 | /* Make sure ending address is within the subnet */ |
4089 | if (!addr_eq(group->subnet->net, | |
4090 | subnet_number(hi, group->subnet->netmask))) { | |
4091 | parse_warn(cfile, | |
4092 | "range6 end address is outside the subnet"); | |
4093 | skip_to_semi(cfile); | |
4094 | return; | |
4095 | } | |
4096 | ||
98bd7ca0 DH |
4097 | /* |
4098 | * Convert our range to a set of CIDR networks. | |
4099 | */ | |
4100 | nets = NULL; | |
4101 | if (range2cidr(&nets, &lo, &hi) != ISC_R_SUCCESS) { | |
4102 | log_fatal("Error converting range to CIDR networks"); | |
4103 | } | |
4104 | ||
01fa619f | 4105 | } |
98bd7ca0 | 4106 | |
01fa619f SR |
4107 | /* |
4108 | * See if we have a pond for this set of pools. | |
4109 | * If the caller supplied one we use it, otherwise | |
4110 | * check the shared network | |
4111 | */ | |
4112 | ||
4113 | if (inpond != NULL) { | |
4114 | ipv6_pond_reference(&pond, inpond, MDL); | |
4115 | } else { | |
4116 | add_ipv6_pond_to_network(group, &pond); | |
4117 | } | |
4118 | ||
4119 | /* Now that we have a pond add the nets we have parsed */ | |
4120 | for (p=nets; p != NULL; p=p->next) { | |
4121 | add_ipv6_pool_to_subnet(group->subnet, type, | |
4122 | &p->cidrnet.lo_addr, | |
4123 | p->cidrnet.bits, 128, pond); | |
98bd7ca0 DH |
4124 | } |
4125 | ||
01fa619f SR |
4126 | /* if we allocated a list free it now */ |
4127 | if (nets != &net) | |
4128 | free_iaddrcidrnetlist(&nets); | |
4129 | ||
4130 | ipv6_pond_dereference(&pond, MDL); | |
4131 | ||
98bd7ca0 DH |
4132 | token = next_token(NULL, NULL, cfile); |
4133 | if (token != SEMI) { | |
4134 | parse_warn(cfile, "semicolon expected."); | |
4135 | skip_to_semi(cfile); | |
4136 | return; | |
4137 | } | |
4138 | } | |
80c9fdb0 | 4139 | |
80c9fdb0 FD |
4140 | /* prefix6-declaration :== ip-address6 ip-address6 SLASH number SEMI */ |
4141 | ||
4142 | void | |
01fa619f SR |
4143 | parse_prefix6(struct parse *cfile, |
4144 | struct group *group, | |
4145 | struct ipv6_pond *inpond) { | |
80c9fdb0 FD |
4146 | struct iaddr lo, hi; |
4147 | int bits; | |
4148 | enum dhcp_token token; | |
4149 | const char *val; | |
4150 | struct iaddrcidrnetlist *nets; | |
4151 | struct iaddrcidrnetlist *p; | |
01fa619f | 4152 | struct ipv6_pond *pond = NULL; |
80c9fdb0 | 4153 | |
bd72740e FD |
4154 | if (local_family != AF_INET6) { |
4155 | parse_warn(cfile, "prefix6 statement is only supported " | |
4156 | "in DHCPv6 mode."); | |
4157 | skip_to_semi(cfile); | |
4158 | return; | |
4159 | } | |
4160 | ||
7d6180be DH |
4161 | /* This is enforced by the caller, so it's just a sanity check. */ |
4162 | if (group->subnet == NULL) | |
4163 | log_fatal("Impossible condition at %s:%d.", MDL); | |
4164 | ||
80c9fdb0 FD |
4165 | /* |
4166 | * Read starting and ending address. | |
4167 | */ | |
4168 | if (!parse_ip6_addr(cfile, &lo)) { | |
4169 | return; | |
4170 | } | |
bd49432f | 4171 | |
7ef55702 SR |
4172 | #if 0 |
4173 | /* Prefixes are not required to be within the subnet, but I'm not | |
4174 | * entirely sure that we won't want to revive this code as a warning | |
4175 | * in the future so I'm ifdeffing it | |
4176 | */ | |
4177 | ||
bd49432f TM |
4178 | /* Make sure starting prefix is within the subnet */ |
4179 | if (!addr_eq(group->subnet->net, | |
4180 | subnet_number(lo, group->subnet->netmask))) { | |
4181 | parse_warn(cfile, "prefix6 start prefix" | |
4182 | " is outside the subnet"); | |
4183 | skip_to_semi(cfile); | |
4184 | return; | |
4185 | } | |
7ef55702 | 4186 | #endif |
bd49432f | 4187 | |
80c9fdb0 FD |
4188 | if (!parse_ip6_addr(cfile, &hi)) { |
4189 | return; | |
4190 | } | |
4191 | ||
7ef55702 SR |
4192 | #if 0 |
4193 | /* Prefixes are not required to be within the subnet, but I'm not | |
4194 | * entirely sure that we won't want to revive this code as a warning | |
4195 | * in the future so I'm ifdeffing it | |
4196 | */ | |
4197 | ||
bd49432f TM |
4198 | /* Make sure ending prefix is within the subnet */ |
4199 | if (!addr_eq(group->subnet->net, | |
4200 | subnet_number(hi, group->subnet->netmask))) { | |
4201 | parse_warn(cfile, "prefix6 end prefix" | |
4202 | " is outside the subnet"); | |
4203 | skip_to_semi(cfile); | |
4204 | return; | |
4205 | } | |
7ef55702 | 4206 | #endif |
bd49432f | 4207 | |
80c9fdb0 FD |
4208 | /* |
4209 | * Next is '/' number ';'. | |
4210 | */ | |
4211 | token = next_token(NULL, NULL, cfile); | |
4212 | if (token != SLASH) { | |
4213 | parse_warn(cfile, "expecting '/'"); | |
4214 | if (token != SEMI) | |
4215 | skip_to_semi(cfile); | |
4216 | return; | |
4217 | } | |
4218 | token = next_token(&val, NULL, cfile); | |
4219 | if (token != NUMBER) { | |
4220 | parse_warn(cfile, "expecting number"); | |
4221 | if (token != SEMI) | |
4222 | skip_to_semi(cfile); | |
4223 | return; | |
4224 | } | |
4225 | bits = atoi(val); | |
4226 | if ((bits <= 0) || (bits >= 128)) { | |
4227 | parse_warn(cfile, "networks have 0 to 128 bits (exclusive)"); | |
4228 | return; | |
4229 | } | |
7ef55702 SR |
4230 | |
4231 | #if 0 | |
4232 | /* Prefixes are not required to be within the subnet, but I'm not | |
4233 | * entirely sure that we won't want to revive this code as a warning | |
4234 | * in the future so I'm ifdeffing it | |
4235 | */ | |
4236 | ||
bd49432f TM |
4237 | if (bits < group->subnet->prefix_len) { |
4238 | parse_warn(cfile, "network mask smaller than subnet mask"); | |
4239 | skip_to_semi(cfile); | |
4240 | return; | |
4241 | } | |
7ef55702 SR |
4242 | #endif |
4243 | ||
80c9fdb0 FD |
4244 | if (!is_cidr_mask_valid(&lo, bits) || |
4245 | !is_cidr_mask_valid(&hi, bits)) { | |
4246 | parse_warn(cfile, "network mask too short"); | |
bd49432f | 4247 | skip_to_semi(cfile); |
80c9fdb0 FD |
4248 | return; |
4249 | } | |
4250 | token = next_token(NULL, NULL, cfile); | |
4251 | if (token != SEMI) { | |
4252 | parse_warn(cfile, "semicolon expected."); | |
4253 | skip_to_semi(cfile); | |
4254 | return; | |
4255 | } | |
4256 | ||
80c9fdb0 FD |
4257 | /* |
4258 | * Convert our range to a set of CIDR networks. | |
4259 | */ | |
4260 | nets = NULL; | |
4261 | if (range2cidr(&nets, &lo, &hi) != ISC_R_SUCCESS) { | |
4262 | log_fatal("Error converting prefix to CIDR"); | |
4263 | } | |
4264 | ||
01fa619f SR |
4265 | /* |
4266 | * See if we have a pond for this set of pools. | |
4267 | * If the caller supplied one we use it, otherwise | |
4268 | * check the shared network | |
4269 | */ | |
4270 | ||
4271 | if (inpond != NULL) { | |
4272 | ipv6_pond_reference(&pond, inpond, MDL); | |
4273 | } else { | |
4274 | add_ipv6_pond_to_network(group, &pond); | |
4275 | } | |
4276 | ||
80c9fdb0 FD |
4277 | for (p = nets; p != NULL; p = p->next) { |
4278 | /* Normalize and check. */ | |
4279 | if (p->cidrnet.bits == 128) { | |
4280 | p->cidrnet.bits = bits; | |
4281 | } | |
4282 | if (p->cidrnet.bits > bits) { | |
4283 | parse_warn(cfile, "impossible mask length"); | |
4284 | continue; | |
4285 | } | |
7d6180be DH |
4286 | add_ipv6_pool_to_subnet(group->subnet, D6O_IA_PD, |
4287 | &p->cidrnet.lo_addr, | |
01fa619f | 4288 | p->cidrnet.bits, bits, pond); |
80c9fdb0 FD |
4289 | } |
4290 | ||
4291 | free_iaddrcidrnetlist(&nets); | |
4292 | } | |
4293 | ||
4294 | /* fixed-prefix6 :== ip6-address SLASH number SEMI */ | |
4295 | ||
4296 | void | |
4297 | parse_fixed_prefix6(struct parse *cfile, struct host_decl *host_decl) { | |
4298 | struct iaddrcidrnetlist *ia, **h; | |
4299 | enum dhcp_token token; | |
4300 | const char *val; | |
4301 | ||
4302 | /* | |
4303 | * Get the head of the fixed-prefix list. | |
4304 | */ | |
4305 | h = &host_decl->fixed_prefix; | |
4306 | ||
4307 | /* | |
4308 | * Walk to the end. | |
4309 | */ | |
4310 | while (*h != NULL) { | |
4311 | h = &((*h)->next); | |
4312 | } | |
4313 | ||
4314 | /* | |
4315 | * Allocate a new iaddrcidrnetlist structure. | |
4316 | */ | |
4317 | ia = dmalloc(sizeof(*ia), MDL); | |
4318 | if (!ia) { | |
4319 | log_fatal("Out of memory"); | |
4320 | } | |
4321 | ||
4322 | /* | |
4323 | * Parse it. | |
4324 | */ | |
4325 | if (!parse_ip6_addr(cfile, &ia->cidrnet.lo_addr)) { | |
4326 | dfree(ia, MDL); | |
4327 | return; | |
4328 | } | |
4329 | token = next_token(NULL, NULL, cfile); | |
4330 | if (token != SLASH) { | |
4331 | dfree(ia, MDL); | |
4332 | parse_warn(cfile, "expecting '/'"); | |
4333 | if (token != SEMI) | |
4334 | skip_to_semi(cfile); | |
4335 | return; | |
4336 | } | |
4337 | token = next_token(&val, NULL, cfile); | |
4338 | if (token != NUMBER) { | |
4339 | dfree(ia, MDL); | |
4340 | parse_warn(cfile, "expecting number"); | |
4341 | if (token != SEMI) | |
4342 | skip_to_semi(cfile); | |
4343 | return; | |
4344 | } | |
4345 | token = next_token(NULL, NULL, cfile); | |
4346 | if (token != SEMI) { | |
4347 | dfree(ia, MDL); | |
4348 | parse_warn(cfile, "semicolon expected."); | |
4349 | skip_to_semi(cfile); | |
4350 | return; | |
4351 | } | |
4352 | ||
4353 | /* | |
4354 | * Fill it. | |
4355 | */ | |
4356 | ia->cidrnet.bits = atoi(val); | |
4357 | if ((ia->cidrnet.bits < 0) || (ia->cidrnet.bits > 128)) { | |
4358 | dfree(ia, MDL); | |
4359 | parse_warn(cfile, "networks have 0 to 128 bits"); | |
4360 | return; | |
4361 | } | |
4362 | if (!is_cidr_mask_valid(&ia->cidrnet.lo_addr, ia->cidrnet.bits)) { | |
4363 | dfree(ia, MDL); | |
4364 | parse_warn(cfile, "network mask too short"); | |
4365 | return; | |
4366 | } | |
4367 | ||
4368 | /* | |
4369 | * Store it. | |
4370 | */ | |
4371 | *h = ia; | |
4372 | return; | |
4373 | } | |
01fa619f SR |
4374 | |
4375 | /*! | |
4376 | * | |
4377 | * \brief Parse a pool6 statement | |
4378 | * | |
4379 | * Pool statements are used to group declarations and permit & deny information | |
4380 | * with a specific address range. They must be declared within a shared network | |
4381 | * or subnet and there may be multiple pools withing a shared network or subnet. | |
4382 | * Each pool may have a different set of permit or deny options. | |
4383 | * | |
4384 | * \param[in] cfile = the configuration file being parsed | |
4385 | * \param[in] group = the group structure for this pool | |
4386 | * \param[in] type = the type of the enclosing statement. This must be | |
4387 | * SUBNET_DECL for this function. | |
4388 | * | |
4389 | * \return | |
4390 | * void - This function either parses the statement and updates the structures | |
4391 | * or it generates an error message and possible halts the program if | |
4392 | * it encounters a problem. | |
4393 | */ | |
4394 | void parse_pool6_statement (cfile, group, type) | |
4395 | struct parse *cfile; | |
4396 | struct group *group; | |
4397 | int type; | |
4398 | { | |
4399 | enum dhcp_token token; | |
4400 | const char *val; | |
4401 | int done = 0; | |
4402 | struct ipv6_pond *pond, **p; | |
4403 | int declaration = 0; | |
4404 | isc_result_t status; | |
4405 | ||
4406 | pond = NULL; | |
4407 | status = ipv6_pond_allocate(&pond, MDL); | |
4408 | if (status != ISC_R_SUCCESS) | |
4409 | log_fatal("no memory for pool6: %s", | |
4410 | isc_result_totext (status)); | |
4411 | ||
4412 | if (type == SUBNET_DECL) | |
4413 | shared_network_reference(&pond->shared_network, | |
4414 | group->subnet->shared_network, | |
4415 | MDL); | |
4416 | else { | |
36e2c224 | 4417 | parse_warn(cfile, "pool6s are only valid inside " |
01fa619f | 4418 | "subnet statements."); |
36e2c224 | 4419 | ipv6_pond_dereference(&pond, MDL); |
01fa619f SR |
4420 | skip_to_semi(cfile); |
4421 | return; | |
4422 | } | |
4423 | ||
4424 | if (clone_group(&pond->group, group, MDL) == 0) | |
4425 | log_fatal("can't clone pool6 group."); | |
4426 | ||
4427 | if (parse_lbrace(cfile) == 0) { | |
4428 | ipv6_pond_dereference(&pond, MDL); | |
4429 | return; | |
4430 | } | |
4431 | ||
4432 | do { | |
4433 | token = peek_token(&val, NULL, cfile); | |
4434 | switch (token) { | |
4435 | case RANGE6: | |
4436 | skip_token(NULL, NULL, cfile); | |
4437 | parse_address_range6(cfile, group, pond); | |
4438 | break; | |
4439 | ||
4440 | case PREFIX6: | |
4441 | skip_token(NULL, NULL, cfile); | |
4442 | parse_prefix6(cfile, group, pond); | |
4443 | break; | |
4444 | ||
4445 | case ALLOW: | |
4446 | skip_token(NULL, NULL, cfile); | |
4447 | get_permit(cfile, &pond->permit_list, 1, | |
4448 | &pond->valid_from, &pond->valid_until); | |
4449 | break; | |
4450 | ||
4451 | case DENY: | |
4452 | skip_token(NULL, NULL, cfile); | |
4453 | get_permit(cfile, &pond->prohibit_list, 0, | |
4454 | &pond->valid_from, &pond->valid_until); | |
4455 | break; | |
4456 | ||
4457 | case RBRACE: | |
4458 | skip_token(&val, NULL, cfile); | |
4459 | done = 1; | |
4460 | break; | |
4461 | ||
4462 | case END_OF_FILE: | |
4463 | /* | |
4464 | * We can get to END_OF_FILE if, for instance, | |
4465 | * the parse_statement() reads all available tokens | |
4466 | * and leaves us at the end. | |
4467 | */ | |
4468 | parse_warn(cfile, "unexpected end of file"); | |
4469 | goto cleanup; | |
4470 | ||
4471 | default: | |
4472 | declaration = parse_statement(cfile, pond->group, | |
4473 | POOL_DECL, NULL, | |
4474 | declaration); | |
4475 | break; | |
4476 | } | |
4477 | } while (!done); | |
4478 | ||
4479 | /* | |
4480 | * A possible optimization is to see if this pond can be merged into | |
4481 | * an already existing pond. But I'll pass on that for now as we need | |
4482 | * to repoint the leases to the other pond which is annoying. SAR | |
4483 | */ | |
4484 | ||
4485 | /* | |
4486 | * Add this pond to the list (will need updating if we add the | |
4487 | * optimization). | |
4488 | */ | |
4489 | ||
4490 | p = &pond->shared_network->ipv6_pond; | |
4491 | for (; *p; p = &((*p)->next)) | |
4492 | ; | |
4493 | ipv6_pond_reference(p, pond, MDL); | |
4494 | ||
4495 | /* Don't allow a pool6 declaration with no addresses or | |
4496 | prefixes, since it is probably a configuration error. */ | |
4497 | if (pond->ipv6_pools == NULL) { | |
4498 | parse_warn (cfile, "Pool6 declaration with no %s.", | |
4499 | "address range6 or prefix6"); | |
4500 | log_error ("Pool6 declarations must always contain at least"); | |
4501 | log_error ("one range6 or prefix6 statement."); | |
4502 | } | |
4503 | ||
4504 | cleanup: | |
4505 | ipv6_pond_dereference(&pond, MDL); | |
4506 | } | |
4507 | ||
4508 | ||
4509 | ||
fe5b0fdd | 4510 | #endif /* DHCPv6 */ |
98bd7ca0 | 4511 | |
c358155d TL |
4512 | /* allow-deny-keyword :== BOOTP |
4513 | | BOOTING | |
4514 | | DYNAMIC_BOOTP | |
1db5e2c0 | 4515 | | UNKNOWN_CLIENTS */ |
c358155d TL |
4516 | |
4517 | int parse_allow_deny (oc, cfile, flag) | |
4518 | struct option_cache **oc; | |
4519 | struct parse *cfile; | |
4520 | int flag; | |
4521 | { | |
4522 | enum dhcp_token token; | |
4523 | const char *val; | |
4524 | unsigned char rf = flag; | |
f7fdb216 DH |
4525 | unsigned code; |
4526 | struct option *option = NULL; | |
c358155d TL |
4527 | struct expression *data = (struct expression *)0; |
4528 | int status; | |
4529 | ||
d758ad8c | 4530 | if (!make_const_data (&data, &rf, 1, 0, 1, MDL)) |
c358155d TL |
4531 | return 0; |
4532 | ||
b3519f23 | 4533 | token = next_token (&val, (unsigned *)0, cfile); |
c358155d | 4534 | switch (token) { |
007e3ee4 | 4535 | case TOKEN_BOOTP: |
f7fdb216 | 4536 | code = SV_ALLOW_BOOTP; |
c358155d TL |
4537 | break; |
4538 | ||
4539 | case BOOTING: | |
f7fdb216 | 4540 | code = SV_ALLOW_BOOTING; |
c358155d TL |
4541 | break; |
4542 | ||
4543 | case DYNAMIC_BOOTP: | |
f7fdb216 | 4544 | code = SV_DYNAMIC_BOOTP; |
c358155d TL |
4545 | break; |
4546 | ||
4547 | case UNKNOWN_CLIENTS: | |
f7fdb216 | 4548 | code = SV_BOOT_UNKNOWN_CLIENTS; |
c358155d TL |
4549 | break; |
4550 | ||
4551 | case DUPLICATES: | |
f7fdb216 | 4552 | code = SV_DUPLICATES; |
c358155d TL |
4553 | break; |
4554 | ||
4555 | case DECLINES: | |
f7fdb216 | 4556 | code= SV_DECLINES; |
c358155d TL |
4557 | break; |
4558 | ||
6fdcc1a0 | 4559 | case CLIENT_UPDATES: |
f7fdb216 | 4560 | code = SV_CLIENT_UPDATES; |
6fdcc1a0 TL |
4561 | break; |
4562 | ||
6d103865 SK |
4563 | case LEASEQUERY: |
4564 | code = SV_LEASEQUERY; | |
4565 | break; | |
4566 | ||
c358155d TL |
4567 | default: |
4568 | parse_warn (cfile, "expecting allow/deny key"); | |
4569 | skip_to_semi (cfile); | |
36e2c224 | 4570 | expression_dereference (&data, MDL); |
c358155d TL |
4571 | return 0; |
4572 | } | |
f7fdb216 DH |
4573 | /* Reference on option is passed to option cache. */ |
4574 | if (!option_code_hash_lookup(&option, server_universe.code_hash, | |
4575 | &code, 0, MDL)) | |
4576 | log_fatal("Unable to find server option %u (%s:%d).", | |
4577 | code, MDL); | |
4578 | status = option_cache(oc, NULL, data, option, MDL); | |
d758ad8c | 4579 | expression_dereference (&data, MDL); |
c358155d TL |
4580 | parse_semi (cfile); |
4581 | return status; | |
4582 | } | |
4583 | ||
98bd7ca0 DH |
4584 | void |
4585 | parse_ia_na_declaration(struct parse *cfile) { | |
28868515 SK |
4586 | #if !defined(DHCPv6) |
4587 | parse_warn(cfile, "No DHCPv6 support."); | |
4588 | skip_to_semi(cfile); | |
4589 | #else /* defined(DHCPv6) */ | |
98bd7ca0 | 4590 | enum dhcp_token token; |
9322442f | 4591 | struct ia_xx *ia; |
98bd7ca0 | 4592 | const char *val; |
9322442f | 4593 | struct ia_xx *old_ia; |
28868515 | 4594 | unsigned int len; |
98bd7ca0 DH |
4595 | u_int32_t iaid; |
4596 | struct iaddr iaddr; | |
4597 | binding_state_t state; | |
1acab09f FD |
4598 | u_int32_t prefer; |
4599 | u_int32_t valid; | |
98bd7ca0 | 4600 | TIME end_time; |
1d17db44 | 4601 | struct iasubopt *iaaddr; |
98bd7ca0 DH |
4602 | struct ipv6_pool *pool; |
4603 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; | |
7285af30 | 4604 | isc_boolean_t newbinding; |
a7341359 | 4605 | struct binding_scope *scope = NULL; |
7285af30 | 4606 | struct binding *bnd; |
a7341359 SR |
4607 | struct binding_value *nv = NULL; |
4608 | struct executable_statement *on_star[2] = {NULL, NULL}; | |
4609 | int lose, i; | |
98bd7ca0 | 4610 | |
771484ac EH |
4611 | if (local_family != AF_INET6) { |
4612 | parse_warn(cfile, "IA_NA is only supported in DHCPv6 mode."); | |
4613 | skip_to_semi(cfile); | |
4614 | return; | |
4615 | } | |
4616 | ||
98bd7ca0 DH |
4617 | token = next_token(&val, &len, cfile); |
4618 | if (token != STRING) { | |
4619 | parse_warn(cfile, "corrupt lease file; " | |
4620 | "expecting an iaid+ia_na string"); | |
4621 | skip_to_semi(cfile); | |
4622 | return; | |
4623 | } | |
4624 | if (len < 5) { | |
4625 | parse_warn(cfile, "corrupt lease file; " | |
4626 | "iaid+ia_na string too short"); | |
4627 | skip_to_semi(cfile); | |
4628 | return; | |
4629 | } | |
4630 | ||
4631 | memcpy(&iaid, val, 4); | |
1d9774ab | 4632 | ia = NULL; |
9322442f | 4633 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { |
98bd7ca0 DH |
4634 | log_fatal("Out of memory."); |
4635 | } | |
1d9774ab | 4636 | ia->ia_type = D6O_IA_NA; |
98bd7ca0 DH |
4637 | |
4638 | token = next_token(&val, NULL, cfile); | |
4639 | if (token != LBRACE) { | |
4640 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
4641 | skip_to_semi(cfile); | |
4642 | return; | |
4643 | } | |
4644 | ||
4645 | for (;;) { | |
4646 | token = next_token(&val, NULL, cfile); | |
4647 | if (token == RBRACE) break; | |
4648 | ||
1acab09f FD |
4649 | if (token == CLTT) { |
4650 | ia->cltt = parse_date (cfile); | |
4651 | continue; | |
4652 | } | |
4653 | ||
98bd7ca0 DH |
4654 | if (token != IAADDR) { |
4655 | parse_warn(cfile, "corrupt lease file; " | |
4656 | "expecting IAADDR or right brace"); | |
4657 | skip_to_semi(cfile); | |
4658 | return; | |
4659 | } | |
4660 | ||
4661 | if (!parse_ip6_addr(cfile, &iaddr)) { | |
4662 | parse_warn(cfile, "corrupt lease file; " | |
4663 | "expecting IPv6 address"); | |
4664 | skip_to_semi(cfile); | |
4665 | return; | |
4666 | } | |
4667 | ||
4668 | token = next_token(&val, NULL, cfile); | |
4669 | if (token != LBRACE) { | |
4670 | parse_warn(cfile, "corrupt lease file; " | |
4671 | "expecting left brace"); | |
4672 | skip_to_semi(cfile); | |
4673 | return; | |
4674 | } | |
4675 | ||
4676 | state = FTS_LAST+1; | |
1acab09f | 4677 | prefer = valid = 0; |
98bd7ca0 DH |
4678 | end_time = -1; |
4679 | for (;;) { | |
4680 | token = next_token(&val, NULL, cfile); | |
4681 | if (token == RBRACE) break; | |
4682 | ||
7285af30 | 4683 | switch(token) { |
46d31b51 SR |
4684 | case END_OF_FILE: |
4685 | /* We hit the end of file and don't know | |
4686 | * what parts of the lease we may be missing | |
4687 | * don't try to salvage the lease | |
4688 | */ | |
4689 | parse_warn(cfile, "corrupt lease file; " | |
4690 | "unexpected end of file"); | |
4691 | return; | |
4692 | ||
7285af30 DH |
4693 | /* Lease binding state. */ |
4694 | case BINDING: | |
98bd7ca0 DH |
4695 | token = next_token(&val, NULL, cfile); |
4696 | if (token != STATE) { | |
4697 | parse_warn(cfile, "corrupt lease file; " | |
4698 | "expecting state"); | |
4699 | skip_to_semi(cfile); | |
4700 | return; | |
4701 | } | |
4702 | token = next_token(&val, NULL, cfile); | |
4703 | switch (token) { | |
4704 | case TOKEN_ABANDONED: | |
4705 | state = FTS_ABANDONED; | |
4706 | break; | |
4707 | case TOKEN_FREE: | |
4708 | state = FTS_FREE; | |
4709 | break; | |
4710 | case TOKEN_ACTIVE: | |
4711 | state = FTS_ACTIVE; | |
4712 | break; | |
4713 | case TOKEN_EXPIRED: | |
4714 | state = FTS_EXPIRED; | |
4715 | break; | |
4716 | case TOKEN_RELEASED: | |
4717 | state = FTS_RELEASED; | |
4718 | break; | |
4719 | default: | |
4720 | parse_warn(cfile, | |
4721 | "corrupt lease " | |
4722 | "file; " | |
4723 | "expecting a " | |
4724 | "binding state."); | |
4725 | skip_to_semi(cfile); | |
4726 | return; | |
4727 | } | |
4728 | ||
4729 | token = next_token(&val, NULL, cfile); | |
4730 | if (token != SEMI) { | |
4731 | parse_warn(cfile, "corrupt lease file; " | |
4732 | "expecting " | |
4733 | "semicolon."); | |
4734 | } | |
7285af30 | 4735 | break; |
98bd7ca0 | 4736 | |
1acab09f FD |
4737 | /* Lease preferred lifetime. */ |
4738 | case PREFERRED_LIFE: | |
4739 | token = next_token(&val, NULL, cfile); | |
4740 | if (token != NUMBER) { | |
4741 | parse_warn(cfile, "%s is not a valid " | |
4742 | "preferred time", | |
4743 | val); | |
4744 | skip_to_semi(cfile); | |
4745 | continue; | |
4746 | } | |
4747 | prefer = atoi (val); | |
ad59838e SR |
4748 | |
4749 | /* | |
4750 | * Currently we peek for the semi-colon to | |
4751 | * allow processing of older lease files that | |
4752 | * don't have the semi-colon. Eventually we | |
4753 | * should remove the peeking code. | |
4754 | */ | |
4755 | token = peek_token(&val, NULL, cfile); | |
4756 | if (token == SEMI) { | |
dc9d7b08 | 4757 | skip_token(&val, NULL, cfile); |
ad59838e SR |
4758 | } else { |
4759 | parse_warn(cfile, | |
4760 | "corrupt lease file; " | |
4761 | "expecting semicolon."); | |
4762 | } | |
1acab09f FD |
4763 | break; |
4764 | ||
4765 | /* Lease valid lifetime. */ | |
4766 | case MAX_LIFE: | |
4767 | token = next_token(&val, NULL, cfile); | |
4768 | if (token != NUMBER) { | |
4769 | parse_warn(cfile, "%s is not a valid " | |
4770 | "max time", | |
4771 | val); | |
4772 | skip_to_semi(cfile); | |
4773 | continue; | |
4774 | } | |
4775 | valid = atoi (val); | |
ad59838e SR |
4776 | |
4777 | /* | |
4778 | * Currently we peek for the semi-colon to | |
4779 | * allow processing of older lease files that | |
4780 | * don't have the semi-colon. Eventually we | |
4781 | * should remove the peeking code. | |
4782 | */ | |
4783 | token = peek_token(&val, NULL, cfile); | |
4784 | if (token == SEMI) { | |
dc9d7b08 | 4785 | skip_token(&val, NULL, cfile); |
ad59838e SR |
4786 | } else { |
4787 | parse_warn(cfile, | |
4788 | "corrupt lease file; " | |
4789 | "expecting semicolon."); | |
4790 | } | |
1acab09f FD |
4791 | break; |
4792 | ||
7285af30 DH |
4793 | /* Lease expiration time. */ |
4794 | case ENDS: | |
98bd7ca0 | 4795 | end_time = parse_date(cfile); |
7285af30 DH |
4796 | break; |
4797 | ||
4798 | /* Lease binding scopes. */ | |
4799 | case TOKEN_SET: | |
4800 | token = next_token(&val, NULL, cfile); | |
4801 | if ((token != NAME) && | |
4802 | (token != NUMBER_OR_NAME)) { | |
4803 | parse_warn(cfile, "%s is not a valid " | |
4804 | "variable name", | |
4805 | val); | |
4806 | skip_to_semi(cfile); | |
4807 | continue; | |
4808 | } | |
4809 | ||
4810 | if (scope != NULL) | |
4811 | bnd = find_binding(scope, val); | |
4812 | else { | |
4813 | if (!binding_scope_allocate(&scope, | |
4814 | MDL)) { | |
4815 | log_fatal("Out of memory for " | |
4816 | "lease binding " | |
4817 | "scope."); | |
4818 | } | |
4819 | ||
4820 | bnd = NULL; | |
4821 | } | |
4822 | ||
4823 | if (bnd == NULL) { | |
4824 | bnd = dmalloc(sizeof(*bnd), | |
4825 | MDL); | |
4826 | if (bnd == NULL) { | |
4827 | log_fatal("No memory for " | |
4828 | "lease binding."); | |
4829 | } | |
4830 | ||
4831 | bnd->name = dmalloc(strlen(val) + 1, | |
4832 | MDL); | |
4833 | if (bnd->name == NULL) { | |
4834 | log_fatal("No memory for " | |
4835 | "binding name."); | |
4836 | } | |
4837 | strcpy(bnd->name, val); | |
4838 | ||
4839 | newbinding = ISC_TRUE; | |
4840 | } else { | |
4841 | newbinding = ISC_FALSE; | |
4842 | } | |
4843 | ||
4844 | if (!binding_value_allocate(&nv, MDL)) { | |
4845 | log_fatal("no memory for binding " | |
4846 | "value."); | |
4847 | } | |
4848 | ||
4849 | token = next_token(NULL, NULL, cfile); | |
4850 | if (token != EQUAL) { | |
4851 | parse_warn(cfile, "expecting '=' in " | |
4852 | "set statement."); | |
4853 | goto binding_err; | |
4854 | } | |
4855 | ||
4856 | if (!parse_binding_value(cfile, nv)) { | |
4857 | binding_err: | |
4858 | binding_value_dereference(&nv, MDL); | |
4859 | binding_scope_dereference(&scope, MDL); | |
4860 | return; | |
4861 | } | |
4862 | ||
4863 | if (newbinding) { | |
4864 | binding_value_reference(&bnd->value, | |
4865 | nv, MDL); | |
4866 | bnd->next = scope->bindings; | |
4867 | scope->bindings = bnd; | |
4868 | } else { | |
4869 | binding_value_dereference(&bnd->value, | |
4870 | MDL); | |
4871 | binding_value_reference(&bnd->value, | |
4872 | nv, MDL); | |
4873 | } | |
4874 | ||
4875 | binding_value_dereference(&nv, MDL); | |
4876 | parse_semi(cfile); | |
4877 | break; | |
4878 | ||
a7341359 SR |
4879 | case ON: |
4880 | lose = 0; | |
4881 | /* | |
4882 | * Depending on the user config we may | |
4883 | * have one or two on statements. We | |
4884 | * need to save information about both | |
4885 | * of them until we allocate the | |
4886 | * iasubopt to hold them. | |
4887 | */ | |
4888 | if (on_star[0] == NULL) { | |
4889 | if (!parse_on_statement (&on_star[0], | |
4890 | cfile, | |
4891 | &lose)) { | |
4892 | parse_warn(cfile, | |
4893 | "corrupt lease " | |
4894 | "file; bad ON " | |
4895 | "statement"); | |
4896 | skip_to_rbrace (cfile, 1); | |
4897 | return; | |
4898 | } | |
4899 | } else { | |
4900 | if (!parse_on_statement (&on_star[1], | |
4901 | cfile, | |
4902 | &lose)) { | |
4903 | parse_warn(cfile, | |
4904 | "corrupt lease " | |
4905 | "file; bad ON " | |
4906 | "statement"); | |
4907 | skip_to_rbrace (cfile, 1); | |
4908 | return; | |
4909 | } | |
4910 | } | |
4911 | ||
4912 | break; | |
4913 | ||
7285af30 | 4914 | default: |
98bd7ca0 | 4915 | parse_warn(cfile, "corrupt lease file; " |
7285af30 | 4916 | "expecting ia_na contents, " |
98bd7ca0 DH |
4917 | "got '%s'", val); |
4918 | skip_to_semi(cfile); | |
7285af30 | 4919 | continue; |
98bd7ca0 DH |
4920 | } |
4921 | } | |
4922 | ||
4923 | if (state == FTS_LAST+1) { | |
4924 | parse_warn(cfile, "corrupt lease file; " | |
4925 | "missing state in iaaddr"); | |
4926 | return; | |
4927 | } | |
4928 | if (end_time == -1) { | |
4929 | parse_warn(cfile, "corrupt lease file; " | |
4930 | "missing end time in iaaddr"); | |
4931 | return; | |
4932 | } | |
4933 | ||
4934 | iaaddr = NULL; | |
1d17db44 | 4935 | if (iasubopt_allocate(&iaaddr, MDL) != ISC_R_SUCCESS) { |
98bd7ca0 DH |
4936 | log_fatal("Out of memory."); |
4937 | } | |
4938 | memcpy(&iaaddr->addr, iaddr.iabuf, sizeof(iaaddr->addr)); | |
9322442f | 4939 | iaaddr->plen = 0; |
98bd7ca0 | 4940 | iaaddr->state = state; |
1acab09f FD |
4941 | iaaddr->prefer = prefer; |
4942 | iaaddr->valid = valid; | |
5d89d60f FD |
4943 | if (iaaddr->state == FTS_RELEASED) |
4944 | iaaddr->hard_lifetime_end_time = end_time; | |
98bd7ca0 | 4945 | |
7285af30 DH |
4946 | if (scope != NULL) { |
4947 | binding_scope_reference(&iaaddr->scope, scope, MDL); | |
4948 | binding_scope_dereference(&scope, MDL); | |
4949 | } | |
4950 | ||
a7341359 SR |
4951 | /* |
4952 | * Check on both on statements. Because of how we write the | |
4953 | * lease file we know which is which if we have two but it's | |
4954 | * easier to write the code to be independent. We do assume | |
4955 | * that the statements won't overlap. | |
4956 | */ | |
4957 | for (i = 0; | |
4958 | (i < 2) && on_star[i] != NULL ; | |
4959 | i++) { | |
4960 | if ((on_star[i]->data.on.evtypes & ON_EXPIRY) && | |
4961 | on_star[i]->data.on.statements) { | |
4962 | executable_statement_reference | |
4963 | (&iaaddr->on_star.on_expiry, | |
4964 | on_star[i]->data.on.statements, MDL); | |
4965 | } | |
4966 | if ((on_star[i]->data.on.evtypes & ON_RELEASE) && | |
4967 | on_star[i]->data.on.statements) { | |
4968 | executable_statement_reference | |
4969 | (&iaaddr->on_star.on_release, | |
4970 | on_star[i]->data.on.statements, MDL); | |
4971 | } | |
4972 | executable_statement_dereference (&on_star[i], MDL); | |
4973 | } | |
4974 | ||
bc7f8b8e | 4975 | /* find the pool this address is in */ |
98bd7ca0 | 4976 | pool = NULL; |
9322442f FD |
4977 | if (find_ipv6_pool(&pool, D6O_IA_NA, |
4978 | &iaaddr->addr) != ISC_R_SUCCESS) { | |
4979 | inet_ntop(AF_INET6, &iaaddr->addr, | |
98bd7ca0 | 4980 | addr_buf, sizeof(addr_buf)); |
ff1b3d04 TM |
4981 | log_error("No pool found for IA_NA address %s", |
4982 | addr_buf); | |
4983 | iasubopt_dereference(&iaaddr, MDL); | |
4984 | continue; | |
98bd7ca0 | 4985 | } |
bc7f8b8e SR |
4986 | |
4987 | /* remove old information */ | |
4988 | if (cleanup_lease6(ia_na_active, pool, | |
4989 | iaaddr, ia) != ISC_R_SUCCESS) { | |
4990 | inet_ntop(AF_INET6, &iaaddr->addr, | |
4991 | addr_buf, sizeof(addr_buf)); | |
4992 | parse_warn(cfile, "duplicate na lease for address %s", | |
4993 | addr_buf); | |
4994 | } | |
4995 | ||
4996 | /* | |
4997 | * if we like the lease we add it to our various structues | |
4998 | * otherwise we leave it and it will get cleaned when we | |
4999 | * do the iasubopt_dereference. | |
5000 | */ | |
5001 | if ((state == FTS_ACTIVE) || (state == FTS_ABANDONED)) { | |
5002 | ia_add_iasubopt(ia, iaaddr, MDL); | |
5003 | ia_reference(&iaaddr->ia, ia, MDL); | |
5004 | add_lease6(pool, iaaddr, end_time); | |
5005 | } | |
5006 | ||
1d17db44 | 5007 | iasubopt_dereference(&iaaddr, MDL); |
bc7f8b8e | 5008 | ipv6_pool_dereference(&pool, MDL); |
98bd7ca0 DH |
5009 | } |
5010 | ||
d9b43370 SK |
5011 | /* |
5012 | * If we have an existing record for this IA_NA, remove it. | |
5013 | */ | |
1d9774ab | 5014 | old_ia = NULL; |
9322442f FD |
5015 | if (ia_hash_lookup(&old_ia, ia_na_active, |
5016 | (unsigned char *)ia->iaid_duid.data, | |
5017 | ia->iaid_duid.len, MDL)) { | |
5018 | ia_hash_delete(ia_na_active, | |
5019 | (unsigned char *)ia->iaid_duid.data, | |
5020 | ia->iaid_duid.len, MDL); | |
5021 | ia_dereference(&old_ia, MDL); | |
d9b43370 SK |
5022 | } |
5023 | ||
5024 | /* | |
5025 | * If we have addresses, add this, otherwise don't bother. | |
5026 | */ | |
1d17db44 | 5027 | if (ia->num_iasubopt > 0) { |
9322442f FD |
5028 | ia_hash_add(ia_na_active, |
5029 | (unsigned char *)ia->iaid_duid.data, | |
5030 | ia->iaid_duid.len, ia, MDL); | |
d9b43370 | 5031 | } |
9322442f | 5032 | ia_dereference(&ia, MDL); |
1d9774ab FD |
5033 | #endif /* defined(DHCPv6) */ |
5034 | } | |
5035 | ||
5036 | void | |
5037 | parse_ia_ta_declaration(struct parse *cfile) { | |
5038 | #if !defined(DHCPv6) | |
5039 | parse_warn(cfile, "No DHCPv6 support."); | |
5040 | skip_to_semi(cfile); | |
5041 | #else /* defined(DHCPv6) */ | |
5042 | enum dhcp_token token; | |
9322442f | 5043 | struct ia_xx *ia; |
1d9774ab | 5044 | const char *val; |
9322442f | 5045 | struct ia_xx *old_ia; |
1d9774ab FD |
5046 | unsigned int len; |
5047 | u_int32_t iaid; | |
5048 | struct iaddr iaddr; | |
5049 | binding_state_t state; | |
1acab09f FD |
5050 | u_int32_t prefer; |
5051 | u_int32_t valid; | |
1d9774ab | 5052 | TIME end_time; |
1d17db44 | 5053 | struct iasubopt *iaaddr; |
1d9774ab FD |
5054 | struct ipv6_pool *pool; |
5055 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; | |
5056 | isc_boolean_t newbinding; | |
a7341359 | 5057 | struct binding_scope *scope = NULL; |
1d9774ab | 5058 | struct binding *bnd; |
a7341359 SR |
5059 | struct binding_value *nv = NULL; |
5060 | struct executable_statement *on_star[2] = {NULL, NULL}; | |
5061 | int lose, i; | |
1d9774ab | 5062 | |
771484ac EH |
5063 | if (local_family != AF_INET6) { |
5064 | parse_warn(cfile, "IA_TA is only supported in DHCPv6 mode."); | |
5065 | skip_to_semi(cfile); | |
5066 | return; | |
5067 | } | |
5068 | ||
1d9774ab FD |
5069 | token = next_token(&val, &len, cfile); |
5070 | if (token != STRING) { | |
5071 | parse_warn(cfile, "corrupt lease file; " | |
5072 | "expecting an iaid+ia_ta string"); | |
5073 | skip_to_semi(cfile); | |
5074 | return; | |
5075 | } | |
5076 | if (len < 5) { | |
5077 | parse_warn(cfile, "corrupt lease file; " | |
5078 | "iaid+ia_ta string too short"); | |
5079 | skip_to_semi(cfile); | |
5080 | return; | |
5081 | } | |
5082 | ||
5083 | memcpy(&iaid, val, 4); | |
5084 | ia = NULL; | |
9322442f | 5085 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
5086 | log_fatal("Out of memory."); |
5087 | } | |
5088 | ia->ia_type = D6O_IA_TA; | |
5089 | ||
5090 | token = next_token(&val, NULL, cfile); | |
5091 | if (token != LBRACE) { | |
5092 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
5093 | skip_to_semi(cfile); | |
5094 | return; | |
5095 | } | |
5096 | ||
5097 | for (;;) { | |
5098 | token = next_token(&val, NULL, cfile); | |
5099 | if (token == RBRACE) break; | |
5100 | ||
1acab09f FD |
5101 | if (token == CLTT) { |
5102 | ia->cltt = parse_date (cfile); | |
5103 | continue; | |
5104 | } | |
5105 | ||
1d9774ab FD |
5106 | if (token != IAADDR) { |
5107 | parse_warn(cfile, "corrupt lease file; " | |
5108 | "expecting IAADDR or right brace"); | |
5109 | skip_to_semi(cfile); | |
5110 | return; | |
5111 | } | |
5112 | ||
5113 | if (!parse_ip6_addr(cfile, &iaddr)) { | |
5114 | parse_warn(cfile, "corrupt lease file; " | |
5115 | "expecting IPv6 address"); | |
5116 | skip_to_semi(cfile); | |
5117 | return; | |
5118 | } | |
5119 | ||
5120 | token = next_token(&val, NULL, cfile); | |
5121 | if (token != LBRACE) { | |
5122 | parse_warn(cfile, "corrupt lease file; " | |
5123 | "expecting left brace"); | |
5124 | skip_to_semi(cfile); | |
5125 | return; | |
5126 | } | |
5127 | ||
5128 | state = FTS_LAST+1; | |
1acab09f | 5129 | prefer = valid = 0; |
1d9774ab FD |
5130 | end_time = -1; |
5131 | for (;;) { | |
5132 | token = next_token(&val, NULL, cfile); | |
5133 | if (token == RBRACE) break; | |
5134 | ||
5135 | switch(token) { | |
46d31b51 SR |
5136 | case END_OF_FILE: |
5137 | /* We hit the end of file and don't know | |
5138 | * what parts of the lease we may be missing | |
5139 | * don't try to salvage the lease | |
5140 | */ | |
5141 | parse_warn(cfile, "corrupt lease file; " | |
5142 | "unexpected end of file"); | |
5143 | return; | |
5144 | ||
1d9774ab FD |
5145 | /* Lease binding state. */ |
5146 | case BINDING: | |
5147 | token = next_token(&val, NULL, cfile); | |
5148 | if (token != STATE) { | |
5149 | parse_warn(cfile, "corrupt lease file; " | |
5150 | "expecting state"); | |
5151 | skip_to_semi(cfile); | |
5152 | return; | |
5153 | } | |
5154 | token = next_token(&val, NULL, cfile); | |
5155 | switch (token) { | |
5156 | case TOKEN_ABANDONED: | |
5157 | state = FTS_ABANDONED; | |
5158 | break; | |
5159 | case TOKEN_FREE: | |
5160 | state = FTS_FREE; | |
5161 | break; | |
5162 | case TOKEN_ACTIVE: | |
5163 | state = FTS_ACTIVE; | |
5164 | break; | |
5165 | case TOKEN_EXPIRED: | |
5166 | state = FTS_EXPIRED; | |
5167 | break; | |
5168 | case TOKEN_RELEASED: | |
5169 | state = FTS_RELEASED; | |
5170 | break; | |
5171 | default: | |
5172 | parse_warn(cfile, | |
5173 | "corrupt lease " | |
5174 | "file; " | |
5175 | "expecting a " | |
5176 | "binding state."); | |
5177 | skip_to_semi(cfile); | |
5178 | return; | |
5179 | } | |
5180 | ||
5181 | token = next_token(&val, NULL, cfile); | |
5182 | if (token != SEMI) { | |
5183 | parse_warn(cfile, "corrupt lease file; " | |
5184 | "expecting " | |
5185 | "semicolon."); | |
5186 | } | |
5187 | break; | |
5188 | ||
1acab09f FD |
5189 | /* Lease preferred lifetime. */ |
5190 | case PREFERRED_LIFE: | |
5191 | token = next_token(&val, NULL, cfile); | |
5192 | if (token != NUMBER) { | |
5193 | parse_warn(cfile, "%s is not a valid " | |
5194 | "preferred time", | |
5195 | val); | |
5196 | skip_to_semi(cfile); | |
5197 | continue; | |
5198 | } | |
5199 | prefer = atoi (val); | |
ad59838e SR |
5200 | |
5201 | /* | |
5202 | * Currently we peek for the semi-colon to | |
5203 | * allow processing of older lease files that | |
5204 | * don't have the semi-colon. Eventually we | |
5205 | * should remove the peeking code. | |
5206 | */ | |
5207 | token = peek_token(&val, NULL, cfile); | |
5208 | if (token == SEMI) { | |
dc9d7b08 | 5209 | skip_token(&val, NULL, cfile); |
ad59838e SR |
5210 | } else { |
5211 | parse_warn(cfile, | |
5212 | "corrupt lease file; " | |
5213 | "expecting semicolon."); | |
5214 | } | |
1acab09f FD |
5215 | break; |
5216 | ||
5217 | /* Lease valid lifetime. */ | |
5218 | case MAX_LIFE: | |
5219 | token = next_token(&val, NULL, cfile); | |
5220 | if (token != NUMBER) { | |
5221 | parse_warn(cfile, "%s is not a valid " | |
5222 | "max time", | |
5223 | val); | |
5224 | skip_to_semi(cfile); | |
5225 | continue; | |
5226 | } | |
5227 | valid = atoi (val); | |
ad59838e SR |
5228 | |
5229 | /* | |
5230 | * Currently we peek for the semi-colon to | |
5231 | * allow processing of older lease files that | |
5232 | * don't have the semi-colon. Eventually we | |
5233 | * should remove the peeking code. | |
5234 | */ | |
5235 | token = peek_token(&val, NULL, cfile); | |
5236 | if (token == SEMI) { | |
dc9d7b08 | 5237 | skip_token(&val, NULL, cfile); |
ad59838e SR |
5238 | } else { |
5239 | parse_warn(cfile, | |
5240 | "corrupt lease file; " | |
5241 | "expecting semicolon."); | |
5242 | } | |
1acab09f FD |
5243 | break; |
5244 | ||
1d9774ab FD |
5245 | /* Lease expiration time. */ |
5246 | case ENDS: | |
5247 | end_time = parse_date(cfile); | |
5248 | break; | |
5249 | ||
5250 | /* Lease binding scopes. */ | |
5251 | case TOKEN_SET: | |
5252 | token = next_token(&val, NULL, cfile); | |
5253 | if ((token != NAME) && | |
5254 | (token != NUMBER_OR_NAME)) { | |
5255 | parse_warn(cfile, "%s is not a valid " | |
5256 | "variable name", | |
5257 | val); | |
5258 | skip_to_semi(cfile); | |
5259 | continue; | |
5260 | } | |
5261 | ||
5262 | if (scope != NULL) | |
5263 | bnd = find_binding(scope, val); | |
5264 | else { | |
5265 | if (!binding_scope_allocate(&scope, | |
5266 | MDL)) { | |
5267 | log_fatal("Out of memory for " | |
5268 | "lease binding " | |
5269 | "scope."); | |
5270 | } | |
5271 | ||
5272 | bnd = NULL; | |
5273 | } | |
5274 | ||
5275 | if (bnd == NULL) { | |
5276 | bnd = dmalloc(sizeof(*bnd), | |
5277 | MDL); | |
5278 | if (bnd == NULL) { | |
5279 | log_fatal("No memory for " | |
5280 | "lease binding."); | |
5281 | } | |
5282 | ||
5283 | bnd->name = dmalloc(strlen(val) + 1, | |
5284 | MDL); | |
5285 | if (bnd->name == NULL) { | |
5286 | log_fatal("No memory for " | |
5287 | "binding name."); | |
5288 | } | |
5289 | strcpy(bnd->name, val); | |
5290 | ||
5291 | newbinding = ISC_TRUE; | |
5292 | } else { | |
5293 | newbinding = ISC_FALSE; | |
5294 | } | |
5295 | ||
5296 | if (!binding_value_allocate(&nv, MDL)) { | |
5297 | log_fatal("no memory for binding " | |
5298 | "value."); | |
5299 | } | |
5300 | ||
5301 | token = next_token(NULL, NULL, cfile); | |
5302 | if (token != EQUAL) { | |
5303 | parse_warn(cfile, "expecting '=' in " | |
5304 | "set statement."); | |
5305 | goto binding_err; | |
5306 | } | |
5307 | ||
5308 | if (!parse_binding_value(cfile, nv)) { | |
5309 | binding_err: | |
5310 | binding_value_dereference(&nv, MDL); | |
5311 | binding_scope_dereference(&scope, MDL); | |
5312 | return; | |
5313 | } | |
5314 | ||
5315 | if (newbinding) { | |
5316 | binding_value_reference(&bnd->value, | |
5317 | nv, MDL); | |
5318 | bnd->next = scope->bindings; | |
5319 | scope->bindings = bnd; | |
5320 | } else { | |
5321 | binding_value_dereference(&bnd->value, | |
5322 | MDL); | |
5323 | binding_value_reference(&bnd->value, | |
5324 | nv, MDL); | |
5325 | } | |
5326 | ||
5327 | binding_value_dereference(&nv, MDL); | |
5328 | parse_semi(cfile); | |
5329 | break; | |
5330 | ||
a7341359 SR |
5331 | case ON: |
5332 | lose = 0; | |
5333 | /* | |
5334 | * Depending on the user config we may | |
5335 | * have one or two on statements. We | |
5336 | * need to save information about both | |
5337 | * of them until we allocate the | |
5338 | * iasubopt to hold them. | |
5339 | */ | |
5340 | if (on_star[0] == NULL) { | |
5341 | if (!parse_on_statement (&on_star[0], | |
5342 | cfile, | |
5343 | &lose)) { | |
5344 | parse_warn(cfile, | |
5345 | "corrupt lease " | |
5346 | "file; bad ON " | |
5347 | "statement"); | |
5348 | skip_to_rbrace (cfile, 1); | |
5349 | return; | |
5350 | } | |
5351 | } else { | |
5352 | if (!parse_on_statement (&on_star[1], | |
5353 | cfile, | |
5354 | &lose)) { | |
5355 | parse_warn(cfile, | |
5356 | "corrupt lease " | |
5357 | "file; bad ON " | |
5358 | "statement"); | |
5359 | skip_to_rbrace (cfile, 1); | |
5360 | return; | |
5361 | } | |
5362 | } | |
5363 | ||
5364 | break; | |
5365 | ||
1d9774ab FD |
5366 | default: |
5367 | parse_warn(cfile, "corrupt lease file; " | |
5368 | "expecting ia_ta contents, " | |
5369 | "got '%s'", val); | |
5370 | skip_to_semi(cfile); | |
5371 | continue; | |
5372 | } | |
5373 | } | |
5374 | ||
5375 | if (state == FTS_LAST+1) { | |
5376 | parse_warn(cfile, "corrupt lease file; " | |
5377 | "missing state in iaaddr"); | |
5378 | return; | |
5379 | } | |
5380 | if (end_time == -1) { | |
5381 | parse_warn(cfile, "corrupt lease file; " | |
5382 | "missing end time in iaaddr"); | |
5383 | return; | |
5384 | } | |
5385 | ||
5386 | iaaddr = NULL; | |
1d17db44 | 5387 | if (iasubopt_allocate(&iaaddr, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
5388 | log_fatal("Out of memory."); |
5389 | } | |
5390 | memcpy(&iaaddr->addr, iaddr.iabuf, sizeof(iaaddr->addr)); | |
9322442f | 5391 | iaaddr->plen = 0; |
1d9774ab | 5392 | iaaddr->state = state; |
1acab09f FD |
5393 | iaaddr->prefer = prefer; |
5394 | iaaddr->valid = valid; | |
5d89d60f FD |
5395 | if (iaaddr->state == FTS_RELEASED) |
5396 | iaaddr->hard_lifetime_end_time = end_time; | |
1d9774ab FD |
5397 | |
5398 | if (scope != NULL) { | |
5399 | binding_scope_reference(&iaaddr->scope, scope, MDL); | |
5400 | binding_scope_dereference(&scope, MDL); | |
5401 | } | |
5402 | ||
a7341359 SR |
5403 | /* |
5404 | * Check on both on statements. Because of how we write the | |
5405 | * lease file we know which is which if we have two but it's | |
5406 | * easier to write the code to be independent. We do assume | |
5407 | * that the statements won't overlap. | |
5408 | */ | |
5409 | for (i = 0; | |
5410 | (i < 2) && on_star[i] != NULL ; | |
5411 | i++) { | |
5412 | if ((on_star[i]->data.on.evtypes & ON_EXPIRY) && | |
5413 | on_star[i]->data.on.statements) { | |
5414 | executable_statement_reference | |
5415 | (&iaaddr->on_star.on_expiry, | |
5416 | on_star[i]->data.on.statements, MDL); | |
5417 | } | |
5418 | if ((on_star[i]->data.on.evtypes & ON_RELEASE) && | |
5419 | on_star[i]->data.on.statements) { | |
5420 | executable_statement_reference | |
5421 | (&iaaddr->on_star.on_release, | |
5422 | on_star[i]->data.on.statements, MDL); | |
5423 | } | |
5424 | executable_statement_dereference (&on_star[i], MDL); | |
5425 | } | |
5426 | ||
bc7f8b8e | 5427 | /* find the pool this address is in */ |
1d9774ab | 5428 | pool = NULL; |
9322442f FD |
5429 | if (find_ipv6_pool(&pool, D6O_IA_TA, |
5430 | &iaaddr->addr) != ISC_R_SUCCESS) { | |
5431 | inet_ntop(AF_INET6, &iaaddr->addr, | |
1d9774ab | 5432 | addr_buf, sizeof(addr_buf)); |
ff1b3d04 TM |
5433 | log_error("No pool found for IA_TA address %s", |
5434 | addr_buf); | |
5435 | iasubopt_dereference(&iaaddr, MDL); | |
5436 | continue; | |
1d9774ab | 5437 | } |
bc7f8b8e SR |
5438 | |
5439 | /* remove old information */ | |
5440 | if (cleanup_lease6(ia_ta_active, pool, | |
5441 | iaaddr, ia) != ISC_R_SUCCESS) { | |
5442 | inet_ntop(AF_INET6, &iaaddr->addr, | |
5443 | addr_buf, sizeof(addr_buf)); | |
5444 | parse_warn(cfile, "duplicate ta lease for address %s", | |
5445 | addr_buf); | |
5446 | } | |
5447 | ||
5448 | /* | |
5449 | * if we like the lease we add it to our various structues | |
5450 | * otherwise we leave it and it will get cleaned when we | |
5451 | * do the iasubopt_dereference. | |
5452 | */ | |
5453 | if ((state == FTS_ACTIVE) || (state == FTS_ABANDONED)) { | |
5454 | ia_add_iasubopt(ia, iaaddr, MDL); | |
5455 | ia_reference(&iaaddr->ia, ia, MDL); | |
5456 | add_lease6(pool, iaaddr, end_time); | |
5457 | } | |
5458 | ||
1d9774ab | 5459 | ipv6_pool_dereference(&pool, MDL); |
1d17db44 | 5460 | iasubopt_dereference(&iaaddr, MDL); |
1d9774ab FD |
5461 | } |
5462 | ||
5463 | /* | |
5464 | * If we have an existing record for this IA_TA, remove it. | |
5465 | */ | |
5466 | old_ia = NULL; | |
9322442f FD |
5467 | if (ia_hash_lookup(&old_ia, ia_ta_active, |
5468 | (unsigned char *)ia->iaid_duid.data, | |
5469 | ia->iaid_duid.len, MDL)) { | |
5470 | ia_hash_delete(ia_ta_active, | |
5471 | (unsigned char *)ia->iaid_duid.data, | |
5472 | ia->iaid_duid.len, MDL); | |
5473 | ia_dereference(&old_ia, MDL); | |
1d9774ab FD |
5474 | } |
5475 | ||
5476 | /* | |
5477 | * If we have addresses, add this, otherwise don't bother. | |
5478 | */ | |
1d17db44 | 5479 | if (ia->num_iasubopt > 0) { |
9322442f FD |
5480 | ia_hash_add(ia_ta_active, |
5481 | (unsigned char *)ia->iaid_duid.data, | |
5482 | ia->iaid_duid.len, ia, MDL); | |
1d9774ab | 5483 | } |
9322442f | 5484 | ia_dereference(&ia, MDL); |
1d9774ab FD |
5485 | #endif /* defined(DHCPv6) */ |
5486 | } | |
5487 | ||
5488 | void | |
5489 | parse_ia_pd_declaration(struct parse *cfile) { | |
5490 | #if !defined(DHCPv6) | |
5491 | parse_warn(cfile, "No DHCPv6 support."); | |
5492 | skip_to_semi(cfile); | |
5493 | #else /* defined(DHCPv6) */ | |
5494 | enum dhcp_token token; | |
9322442f | 5495 | struct ia_xx *ia; |
1d9774ab | 5496 | const char *val; |
9322442f | 5497 | struct ia_xx *old_ia; |
1d9774ab FD |
5498 | unsigned int len; |
5499 | u_int32_t iaid; | |
5500 | struct iaddr iaddr; | |
5501 | u_int8_t plen; | |
5502 | binding_state_t state; | |
1acab09f FD |
5503 | u_int32_t prefer; |
5504 | u_int32_t valid; | |
1d9774ab | 5505 | TIME end_time; |
1d17db44 | 5506 | struct iasubopt *iapref; |
9322442f | 5507 | struct ipv6_pool *pool; |
1d9774ab FD |
5508 | char addr_buf[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; |
5509 | isc_boolean_t newbinding; | |
a7341359 | 5510 | struct binding_scope *scope = NULL; |
1d9774ab | 5511 | struct binding *bnd; |
a7341359 SR |
5512 | struct binding_value *nv = NULL; |
5513 | struct executable_statement *on_star[2] = {NULL, NULL}; | |
5514 | int lose, i; | |
1d9774ab | 5515 | |
771484ac EH |
5516 | if (local_family != AF_INET6) { |
5517 | parse_warn(cfile, "IA_PD is only supported in DHCPv6 mode."); | |
5518 | skip_to_semi(cfile); | |
5519 | return; | |
5520 | } | |
5521 | ||
1d9774ab FD |
5522 | token = next_token(&val, &len, cfile); |
5523 | if (token != STRING) { | |
5524 | parse_warn(cfile, "corrupt lease file; " | |
5525 | "expecting an iaid+ia_pd string"); | |
5526 | skip_to_semi(cfile); | |
5527 | return; | |
5528 | } | |
5529 | if (len < 5) { | |
5530 | parse_warn(cfile, "corrupt lease file; " | |
5531 | "iaid+ia_pd string too short"); | |
5532 | skip_to_semi(cfile); | |
5533 | return; | |
5534 | } | |
5535 | ||
5536 | memcpy(&iaid, val, 4); | |
9322442f FD |
5537 | ia = NULL; |
5538 | if (ia_allocate(&ia, iaid, val+4, len-4, MDL) != ISC_R_SUCCESS) { | |
1d9774ab FD |
5539 | log_fatal("Out of memory."); |
5540 | } | |
9322442f | 5541 | ia->ia_type = D6O_IA_PD; |
1d9774ab FD |
5542 | |
5543 | token = next_token(&val, NULL, cfile); | |
5544 | if (token != LBRACE) { | |
5545 | parse_warn(cfile, "corrupt lease file; expecting left brace"); | |
5546 | skip_to_semi(cfile); | |
5547 | return; | |
5548 | } | |
5549 | ||
5550 | for (;;) { | |
5551 | token = next_token(&val, NULL, cfile); | |
5552 | if (token == RBRACE) break; | |
5553 | ||
1acab09f FD |
5554 | if (token == CLTT) { |
5555 | ia->cltt = parse_date (cfile); | |
5556 | continue; | |
5557 | } | |
5558 | ||
1d9774ab FD |
5559 | if (token != IAPREFIX) { |
5560 | parse_warn(cfile, "corrupt lease file; expecting " | |
5561 | "IAPREFIX or right brace"); | |
5562 | skip_to_semi(cfile); | |
5563 | return; | |
5564 | } | |
5565 | ||
5566 | if (!parse_ip6_prefix(cfile, &iaddr, &plen)) { | |
5567 | parse_warn(cfile, "corrupt lease file; " | |
5568 | "expecting IPv6 prefix"); | |
5569 | skip_to_semi(cfile); | |
5570 | return; | |
5571 | } | |
5572 | ||
5573 | token = next_token(&val, NULL, cfile); | |
5574 | if (token != LBRACE) { | |
5575 | parse_warn(cfile, "corrupt lease file; " | |
5576 | "expecting left brace"); | |
5577 | skip_to_semi(cfile); | |
5578 | return; | |
5579 | } | |
5580 | ||
5581 | state = FTS_LAST+1; | |
1acab09f | 5582 | prefer = valid = 0; |
1d9774ab FD |
5583 | end_time = -1; |
5584 | for (;;) { | |
5585 | token = next_token(&val, NULL, cfile); | |
5586 | if (token == RBRACE) break; | |
5587 | ||
5588 | switch(token) { | |
46d31b51 SR |
5589 | case END_OF_FILE: |
5590 | /* We hit the end of file and don't know | |
5591 | * what parts of the lease we may be missing | |
5592 | * don't try to salvage the lease | |
5593 | */ | |
5594 | parse_warn(cfile, "corrupt lease file; " | |
5595 | "unexpected end of file"); | |
5596 | return; | |
5597 | ||
1d9774ab FD |
5598 | /* Prefix binding state. */ |
5599 | case BINDING: | |
5600 | token = next_token(&val, NULL, cfile); | |
5601 | if (token != STATE) { | |
5602 | parse_warn(cfile, "corrupt lease file; " | |
5603 | "expecting state"); | |
5604 | skip_to_semi(cfile); | |
5605 | return; | |
5606 | } | |
5607 | token = next_token(&val, NULL, cfile); | |
5608 | switch (token) { | |
5609 | case TOKEN_ABANDONED: | |
5610 | state = FTS_ABANDONED; | |
5611 | break; | |
5612 | case TOKEN_FREE: | |
5613 | state = FTS_FREE; | |
5614 | break; | |
5615 | case TOKEN_ACTIVE: | |
5616 | state = FTS_ACTIVE; | |
5617 | break; | |
5618 | case TOKEN_EXPIRED: | |
5619 | state = FTS_EXPIRED; | |
5620 | break; | |
5621 | case TOKEN_RELEASED: | |
5622 | state = FTS_RELEASED; | |
5623 | break; | |
5624 | default: | |
5625 | parse_warn(cfile, | |
5626 | "corrupt lease " | |
5627 | "file; " | |
5628 | "expecting a " | |
5629 | "binding state."); | |
5630 | skip_to_semi(cfile); | |
5631 | return; | |
5632 | } | |
5633 | ||
5634 | token = next_token(&val, NULL, cfile); | |
5635 | if (token != SEMI) { | |
5636 | parse_warn(cfile, "corrupt lease file; " | |
5637 | "expecting " | |
5638 | "semicolon."); | |
5639 | } | |
5640 | break; | |
5641 | ||
1acab09f FD |
5642 | /* Lease preferred lifetime. */ |
5643 | case PREFERRED_LIFE: | |
5644 | token = next_token(&val, NULL, cfile); | |
5645 | if (token != NUMBER) { | |
5646 | parse_warn(cfile, "%s is not a valid " | |
5647 | "preferred time", | |
5648 | val); | |
5649 | skip_to_semi(cfile); | |
5650 | continue; | |
5651 | } | |
5652 | prefer = atoi (val); | |
ad59838e SR |
5653 | |
5654 | /* | |
5655 | * Currently we peek for the semi-colon to | |
5656 | * allow processing of older lease files that | |
5657 | * don't have the semi-colon. Eventually we | |
5658 | * should remove the peeking code. | |
5659 | */ | |
5660 | token = peek_token(&val, NULL, cfile); | |
5661 | if (token == SEMI) { | |
dc9d7b08 | 5662 | skip_token(&val, NULL, cfile); |
ad59838e SR |
5663 | } else { |
5664 | parse_warn(cfile, | |
5665 | "corrupt lease file; " | |
5666 | "expecting semicolon."); | |
5667 | } | |
1acab09f FD |
5668 | break; |
5669 | ||
5670 | /* Lease valid lifetime. */ | |
5671 | case MAX_LIFE: | |
5672 | token = next_token(&val, NULL, cfile); | |
5673 | if (token != NUMBER) { | |
5674 | parse_warn(cfile, "%s is not a valid " | |
5675 | "max time", | |
5676 | val); | |
5677 | skip_to_semi(cfile); | |
5678 | continue; | |
5679 | } | |
5680 | valid = atoi (val); | |
ad59838e SR |
5681 | |
5682 | /* | |
5683 | * Currently we peek for the semi-colon to | |
5684 | * allow processing of older lease files that | |
5685 | * don't have the semi-colon. Eventually we | |
5686 | * should remove the peeking code. | |
5687 | */ | |
5688 | token = peek_token(&val, NULL, cfile); | |
5689 | if (token == SEMI) { | |
dc9d7b08 | 5690 | skip_token(&val, NULL, cfile); |
ad59838e SR |
5691 | } else { |
5692 | parse_warn(cfile, | |
5693 | "corrupt lease file; " | |
5694 | "expecting semicolon."); | |
5695 | } | |
1acab09f FD |
5696 | break; |
5697 | ||
1d9774ab FD |
5698 | /* Prefix expiration time. */ |
5699 | case ENDS: | |
5700 | end_time = parse_date(cfile); | |
5701 | break; | |
5702 | ||
5703 | /* Prefix binding scopes. */ | |
5704 | case TOKEN_SET: | |
5705 | token = next_token(&val, NULL, cfile); | |
5706 | if ((token != NAME) && | |
5707 | (token != NUMBER_OR_NAME)) { | |
5708 | parse_warn(cfile, "%s is not a valid " | |
5709 | "variable name", | |
5710 | val); | |
5711 | skip_to_semi(cfile); | |
5712 | continue; | |
5713 | } | |
5714 | ||
5715 | if (scope != NULL) | |
5716 | bnd = find_binding(scope, val); | |
5717 | else { | |
5718 | if (!binding_scope_allocate(&scope, | |
5719 | MDL)) { | |
5720 | log_fatal("Out of memory for " | |
5721 | "lease binding " | |
5722 | "scope."); | |
5723 | } | |
5724 | ||
5725 | bnd = NULL; | |
5726 | } | |
5727 | ||
5728 | if (bnd == NULL) { | |
5729 | bnd = dmalloc(sizeof(*bnd), | |
5730 | MDL); | |
5731 | if (bnd == NULL) { | |
5732 | log_fatal("No memory for " | |
5733 | "prefix binding."); | |
5734 | } | |
5735 | ||
5736 | bnd->name = dmalloc(strlen(val) + 1, | |
5737 | MDL); | |
5738 | if (bnd->name == NULL) { | |
5739 | log_fatal("No memory for " | |
5740 | "binding name."); | |
5741 | } | |
5742 | strcpy(bnd->name, val); | |
5743 | ||
5744 | newbinding = ISC_TRUE; | |
5745 | } else { | |
5746 | newbinding = ISC_FALSE; | |
5747 | } | |
5748 | ||
5749 | if (!binding_value_allocate(&nv, MDL)) { | |
5750 | log_fatal("no memory for binding " | |
5751 | "value."); | |
5752 | } | |
5753 | ||
5754 | token = next_token(NULL, NULL, cfile); | |
5755 | if (token != EQUAL) { | |
5756 | parse_warn(cfile, "expecting '=' in " | |
5757 | "set statement."); | |
5758 | goto binding_err; | |
5759 | } | |
5760 | ||
5761 | if (!parse_binding_value(cfile, nv)) { | |
5762 | binding_err: | |
5763 | binding_value_dereference(&nv, MDL); | |
5764 | binding_scope_dereference(&scope, MDL); | |
5765 | return; | |
5766 | } | |
5767 | ||
5768 | if (newbinding) { | |
5769 | binding_value_reference(&bnd->value, | |
5770 | nv, MDL); | |
5771 | bnd->next = scope->bindings; | |
5772 | scope->bindings = bnd; | |
5773 | } else { | |
5774 | binding_value_dereference(&bnd->value, | |
5775 | MDL); | |
5776 | binding_value_reference(&bnd->value, | |
5777 | nv, MDL); | |
5778 | } | |
5779 | ||
5780 | binding_value_dereference(&nv, MDL); | |
5781 | parse_semi(cfile); | |
5782 | break; | |
5783 | ||
a7341359 SR |
5784 | case ON: |
5785 | lose = 0; | |
5786 | /* | |
5787 | * Depending on the user config we may | |
5788 | * have one or two on statements. We | |
5789 | * need to save information about both | |
5790 | * of them until we allocate the | |
5791 | * iasubopt to hold them. | |
5792 | */ | |
5793 | if (on_star[0] == NULL) { | |
5794 | if (!parse_on_statement (&on_star[0], | |
5795 | cfile, | |
5796 | &lose)) { | |
5797 | parse_warn(cfile, | |
5798 | "corrupt lease " | |
5799 | "file; bad ON " | |
5800 | "statement"); | |
5801 | skip_to_rbrace (cfile, 1); | |
5802 | return; | |
5803 | } | |
5804 | } else { | |
5805 | if (!parse_on_statement (&on_star[1], | |
5806 | cfile, | |
5807 | &lose)) { | |
5808 | parse_warn(cfile, | |
5809 | "corrupt lease " | |
5810 | "file; bad ON " | |
5811 | "statement"); | |
5812 | skip_to_rbrace (cfile, 1); | |
5813 | return; | |
5814 | } | |
5815 | } | |
5816 | ||
5817 | break; | |
5818 | ||
1d9774ab FD |
5819 | default: |
5820 | parse_warn(cfile, "corrupt lease file; " | |
5821 | "expecting ia_pd contents, " | |
5822 | "got '%s'", val); | |
5823 | skip_to_semi(cfile); | |
5824 | continue; | |
5825 | } | |
5826 | } | |
5827 | ||
5828 | if (state == FTS_LAST+1) { | |
5829 | parse_warn(cfile, "corrupt lease file; " | |
5830 | "missing state in iaprefix"); | |
5831 | return; | |
5832 | } | |
5833 | if (end_time == -1) { | |
5834 | parse_warn(cfile, "corrupt lease file; " | |
5835 | "missing end time in iaprefix"); | |
5836 | return; | |
5837 | } | |
5838 | ||
5839 | iapref = NULL; | |
1d17db44 | 5840 | if (iasubopt_allocate(&iapref, MDL) != ISC_R_SUCCESS) { |
1d9774ab FD |
5841 | log_fatal("Out of memory."); |
5842 | } | |
9322442f | 5843 | memcpy(&iapref->addr, iaddr.iabuf, sizeof(iapref->addr)); |
1d9774ab FD |
5844 | iapref->plen = plen; |
5845 | iapref->state = state; | |
1acab09f FD |
5846 | iapref->prefer = prefer; |
5847 | iapref->valid = valid; | |
5d89d60f FD |
5848 | if (iapref->state == FTS_RELEASED) |
5849 | iapref->hard_lifetime_end_time = end_time; | |
1d9774ab FD |
5850 | |
5851 | if (scope != NULL) { | |
5852 | binding_scope_reference(&iapref->scope, scope, MDL); | |
5853 | binding_scope_dereference(&scope, MDL); | |
5854 | } | |
5855 | ||
a7341359 SR |
5856 | /* |
5857 | * Check on both on statements. Because of how we write the | |
5858 | * lease file we know which is which if we have two but it's | |
5859 | * easier to write the code to be independent. We do assume | |
5860 | * that the statements won't overlap. | |
5861 | */ | |
5862 | for (i = 0; | |
5863 | (i < 2) && on_star[i] != NULL ; | |
5864 | i++) { | |
5865 | if ((on_star[i]->data.on.evtypes & ON_EXPIRY) && | |
5866 | on_star[i]->data.on.statements) { | |
5867 | executable_statement_reference | |
5868 | (&iapref->on_star.on_expiry, | |
5869 | on_star[i]->data.on.statements, MDL); | |
5870 | } | |
5871 | if ((on_star[i]->data.on.evtypes & ON_RELEASE) && | |
5872 | on_star[i]->data.on.statements) { | |
5873 | executable_statement_reference | |
5874 | (&iapref->on_star.on_release, | |
5875 | on_star[i]->data.on.statements, MDL); | |
5876 | } | |
5877 | executable_statement_dereference (&on_star[i], MDL); | |
5878 | } | |
5879 | ||
bc7f8b8e | 5880 | /* find the pool this address is in */ |
9322442f FD |
5881 | pool = NULL; |
5882 | if (find_ipv6_pool(&pool, D6O_IA_PD, | |
5883 | &iapref->addr) != ISC_R_SUCCESS) { | |
5884 | inet_ntop(AF_INET6, &iapref->addr, | |
1d9774ab | 5885 | addr_buf, sizeof(addr_buf)); |
ff1b3d04 TM |
5886 | log_error("No pool found for prefix %s", addr_buf); |
5887 | iasubopt_dereference(&iapref, MDL); | |
5888 | continue; | |
1d9774ab | 5889 | } |
bc7f8b8e SR |
5890 | |
5891 | /* remove old information */ | |
5892 | if (cleanup_lease6(ia_pd_active, pool, | |
5893 | iapref, ia) != ISC_R_SUCCESS) { | |
5894 | inet_ntop(AF_INET6, &iapref->addr, | |
5895 | addr_buf, sizeof(addr_buf)); | |
5896 | parse_warn(cfile, "duplicate pd lease for address %s", | |
5897 | addr_buf); | |
5898 | } | |
5899 | ||
5900 | /* | |
5901 | * if we like the lease we add it to our various structues | |
5902 | * otherwise we leave it and it will get cleaned when we | |
5903 | * do the iasubopt_dereference. | |
5904 | */ | |
5905 | if ((state == FTS_ACTIVE) || (state == FTS_ABANDONED)) { | |
5906 | ia_add_iasubopt(ia, iapref, MDL); | |
5907 | ia_reference(&iapref->ia, ia, MDL); | |
5908 | add_lease6(pool, iapref, end_time); | |
5909 | } | |
5910 | ||
9322442f | 5911 | ipv6_pool_dereference(&pool, MDL); |
1d17db44 | 5912 | iasubopt_dereference(&iapref, MDL); |
1d9774ab FD |
5913 | } |
5914 | ||
5915 | /* | |
5916 | * If we have an existing record for this IA_PD, remove it. | |
5917 | */ | |
9322442f FD |
5918 | old_ia = NULL; |
5919 | if (ia_hash_lookup(&old_ia, ia_pd_active, | |
5920 | (unsigned char *)ia->iaid_duid.data, | |
5921 | ia->iaid_duid.len, MDL)) { | |
5922 | ia_hash_delete(ia_pd_active, | |
5923 | (unsigned char *)ia->iaid_duid.data, | |
5924 | ia->iaid_duid.len, MDL); | |
5925 | ia_dereference(&old_ia, MDL); | |
1d9774ab FD |
5926 | } |
5927 | ||
5928 | /* | |
5929 | * If we have prefixes, add this, otherwise don't bother. | |
5930 | */ | |
1d17db44 | 5931 | if (ia->num_iasubopt > 0) { |
9322442f FD |
5932 | ia_hash_add(ia_pd_active, |
5933 | (unsigned char *)ia->iaid_duid.data, | |
5934 | ia->iaid_duid.len, ia, MDL); | |
1d9774ab | 5935 | } |
9322442f | 5936 | ia_dereference(&ia, MDL); |
fe5b0fdd | 5937 | #endif /* defined(DHCPv6) */ |
98bd7ca0 DH |
5938 | } |
5939 | ||
fe5b0fdd | 5940 | #ifdef DHCPv6 |
98bd7ca0 DH |
5941 | /* |
5942 | * When we parse a server-duid statement in a lease file, we are | |
5943 | * looking at the saved server DUID from a previous run. In this case | |
5944 | * we expect it to be followed by the binary representation of the | |
5945 | * DUID stored in a string: | |
5946 | * | |
5947 | * server-duid "\000\001\000\001\015\221\034JRT\000\0224Y"; | |
5948 | */ | |
5949 | void | |
5950 | parse_server_duid(struct parse *cfile) { | |
5951 | enum dhcp_token token; | |
5952 | const char *val; | |
28868515 | 5953 | unsigned int len; |
98bd7ca0 DH |
5954 | struct data_string duid; |
5955 | ||
5956 | token = next_token(&val, &len, cfile); | |
5957 | if (token != STRING) { | |
5958 | parse_warn(cfile, "corrupt lease file; expecting a DUID"); | |
5959 | skip_to_semi(cfile); | |
5960 | return; | |
5961 | } | |
5962 | ||
5963 | memset(&duid, 0, sizeof(duid)); | |
5964 | duid.len = len; | |
5965 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
5966 | log_fatal("Out of memory storing DUID"); | |
5967 | } | |
28868515 | 5968 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
5969 | memcpy(duid.buffer->data, val, len); |
5970 | ||
5971 | set_server_duid(&duid); | |
5972 | ||
5973 | data_string_forget(&duid, MDL); | |
5974 | ||
5975 | token = next_token(&val, &len, cfile); | |
5976 | if (token != SEMI) { | |
5977 | parse_warn(cfile, "corrupt lease file; expecting a semicolon"); | |
5978 | skip_to_semi(cfile); | |
5979 | return; | |
5980 | } | |
5981 | } | |
5982 | ||
5983 | /* | |
5984 | * When we parse a server-duid statement in a config file, we will | |
5985 | * have the type of the server DUID to generate, and possibly the | |
5986 | * actual value defined. | |
5987 | * | |
5988 | * server-duid llt; | |
5989 | * server-duid llt ethernet|ieee802|fddi 213982198 00:16:6F:49:7D:9B; | |
5990 | * server-duid ll; | |
5991 | * server-duid ll ethernet|ieee802|fddi 00:16:6F:49:7D:9B; | |
20ae1aff | 5992 | * server-duid en 2495 "enterprise-specific-identifier-1234"; |
98bd7ca0 DH |
5993 | */ |
5994 | void | |
5995 | parse_server_duid_conf(struct parse *cfile) { | |
5996 | enum dhcp_token token; | |
5997 | const char *val; | |
28868515 | 5998 | unsigned int len; |
98bd7ca0 DH |
5999 | u_int32_t enterprise_number; |
6000 | int ll_type; | |
6001 | struct data_string ll_addr; | |
6002 | u_int32_t llt_time; | |
6003 | struct data_string duid; | |
6004 | int duid_type_num; | |
6005 | ||
6006 | /* | |
6007 | * Consume the SERVER_DUID token. | |
6008 | */ | |
dc9d7b08 | 6009 | skip_token(NULL, NULL, cfile); |
98bd7ca0 DH |
6010 | |
6011 | /* | |
6012 | * Obtain the DUID type. | |
6013 | */ | |
6014 | token = next_token(&val, NULL, cfile); | |
6015 | ||
6016 | /* | |
6017 | * Enterprise is the easiest - enterprise number and raw data | |
6018 | * are required. | |
6019 | */ | |
6020 | if (token == EN) { | |
6021 | /* | |
6022 | * Get enterprise number and identifier. | |
6023 | */ | |
6024 | token = next_token(&val, NULL, cfile); | |
6025 | if (token != NUMBER) { | |
6026 | parse_warn(cfile, "enterprise number expected"); | |
6027 | skip_to_semi(cfile); | |
6028 | return; | |
6029 | } | |
6030 | enterprise_number = atoi(val); | |
6031 | ||
6032 | token = next_token(&val, &len, cfile); | |
6033 | if (token != STRING) { | |
6034 | parse_warn(cfile, "identifier expected"); | |
6035 | skip_to_semi(cfile); | |
6036 | return; | |
6037 | } | |
6038 | ||
6039 | /* | |
6040 | * Save the DUID. | |
6041 | */ | |
6042 | memset(&duid, 0, sizeof(duid)); | |
6043 | duid.len = 2 + 4 + len; | |
6044 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
6045 | log_fatal("Out of memory storing DUID"); | |
6046 | } | |
28868515 | 6047 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
6048 | putUShort(duid.buffer->data, DUID_EN); |
6049 | putULong(duid.buffer->data + 2, enterprise_number); | |
6050 | memcpy(duid.buffer->data + 6, val, len); | |
6051 | ||
6052 | set_server_duid(&duid); | |
6053 | data_string_forget(&duid, MDL); | |
6054 | } | |
6055 | ||
6056 | /* | |
6057 | * Next easiest is the link-layer DUID. It consists only of | |
6058 | * the LL directive, or optionally the specific value to use. | |
6059 | * | |
6060 | * If we have LL only, then we set the type. If we have the | |
6061 | * value, then we set the actual DUID. | |
6062 | */ | |
6063 | else if (token == LL) { | |
6064 | if (peek_token(NULL, NULL, cfile) == SEMI) { | |
6065 | set_server_duid_type(DUID_LL); | |
6066 | } else { | |
6067 | /* | |
6068 | * Get our hardware type and address. | |
6069 | */ | |
6070 | token = next_token(NULL, NULL, cfile); | |
6071 | switch (token) { | |
6072 | case ETHERNET: | |
6073 | ll_type = HTYPE_ETHER; | |
6074 | break; | |
6075 | case TOKEN_RING: | |
6076 | ll_type = HTYPE_IEEE802; | |
6077 | break; | |
219a65eb | 6078 | case TOKEN_FDDI: |
98bd7ca0 DH |
6079 | ll_type = HTYPE_FDDI; |
6080 | break; | |
6081 | default: | |
6082 | parse_warn(cfile, "hardware type expected"); | |
6083 | skip_to_semi(cfile); | |
6084 | return; | |
6085 | } | |
6086 | memset(&ll_addr, 0, sizeof(ll_addr)); | |
6087 | if (!parse_cshl(&ll_addr, cfile)) { | |
6088 | return; | |
6089 | } | |
6090 | ||
6091 | /* | |
6092 | * Save the DUID. | |
6093 | */ | |
6094 | memset(&duid, 0, sizeof(duid)); | |
6095 | duid.len = 2 + 2 + ll_addr.len; | |
6096 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
6097 | log_fatal("Out of memory storing DUID"); | |
6098 | } | |
28868515 | 6099 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 | 6100 | putUShort(duid.buffer->data, DUID_LL); |
38c4774a | 6101 | putUShort(duid.buffer->data + 2, ll_type); |
98bd7ca0 DH |
6102 | memcpy(duid.buffer->data + 4, |
6103 | ll_addr.data, ll_addr.len); | |
6104 | ||
6105 | set_server_duid(&duid); | |
6106 | data_string_forget(&duid, MDL); | |
6107 | data_string_forget(&ll_addr, MDL); | |
6108 | } | |
6109 | } | |
6110 | ||
6111 | /* | |
6112 | * Finally the link-layer DUID plus time. It consists only of | |
6113 | * the LLT directive, or optionally the specific value to use. | |
6114 | * | |
6115 | * If we have LLT only, then we set the type. If we have the | |
6116 | * value, then we set the actual DUID. | |
6117 | */ | |
6118 | else if (token == LLT) { | |
6119 | if (peek_token(NULL, NULL, cfile) == SEMI) { | |
6120 | set_server_duid_type(DUID_LLT); | |
6121 | } else { | |
6122 | /* | |
6123 | * Get our hardware type, timestamp, and address. | |
6124 | */ | |
6125 | token = next_token(NULL, NULL, cfile); | |
6126 | switch (token) { | |
6127 | case ETHERNET: | |
6128 | ll_type = HTYPE_ETHER; | |
6129 | break; | |
6130 | case TOKEN_RING: | |
6131 | ll_type = HTYPE_IEEE802; | |
6132 | break; | |
219a65eb | 6133 | case TOKEN_FDDI: |
98bd7ca0 DH |
6134 | ll_type = HTYPE_FDDI; |
6135 | break; | |
6136 | default: | |
6137 | parse_warn(cfile, "hardware type expected"); | |
6138 | skip_to_semi(cfile); | |
6139 | return; | |
6140 | } | |
6141 | ||
6142 | token = next_token(&val, NULL, cfile); | |
6143 | if (token != NUMBER) { | |
6144 | parse_warn(cfile, "timestamp expected"); | |
6145 | skip_to_semi(cfile); | |
6146 | return; | |
6147 | } | |
6148 | llt_time = atoi(val); | |
6149 | ||
6150 | memset(&ll_addr, 0, sizeof(ll_addr)); | |
6151 | if (!parse_cshl(&ll_addr, cfile)) { | |
6152 | return; | |
6153 | } | |
6154 | ||
6155 | /* | |
6156 | * Save the DUID. | |
6157 | */ | |
6158 | memset(&duid, 0, sizeof(duid)); | |
6159 | duid.len = 2 + 2 + 4 + ll_addr.len; | |
6160 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
6161 | log_fatal("Out of memory storing DUID"); | |
6162 | } | |
28868515 | 6163 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 | 6164 | putUShort(duid.buffer->data, DUID_LLT); |
38c4774a | 6165 | putUShort(duid.buffer->data + 2, ll_type); |
98bd7ca0 DH |
6166 | putULong(duid.buffer->data + 4, llt_time); |
6167 | memcpy(duid.buffer->data + 8, | |
6168 | ll_addr.data, ll_addr.len); | |
6169 | ||
6170 | set_server_duid(&duid); | |
6171 | data_string_forget(&duid, MDL); | |
6172 | data_string_forget(&ll_addr, MDL); | |
6173 | } | |
6174 | } | |
6175 | ||
6176 | /* | |
6177 | * If users want they can use a number for DUID types. | |
6178 | * This is useful for supporting future, not-yet-defined | |
6179 | * DUID types. | |
6180 | * | |
6181 | * In this case, they have to put in the complete value. | |
6182 | * | |
6183 | * This also works for existing DUID types of course. | |
6184 | */ | |
6185 | else if (token == NUMBER) { | |
6186 | duid_type_num = atoi(val); | |
6187 | ||
6188 | token = next_token(&val, &len, cfile); | |
6189 | if (token != STRING) { | |
6190 | parse_warn(cfile, "identifier expected"); | |
6191 | skip_to_semi(cfile); | |
6192 | return; | |
6193 | } | |
6194 | ||
6195 | /* | |
6196 | * Save the DUID. | |
6197 | */ | |
6198 | memset(&duid, 0, sizeof(duid)); | |
6199 | duid.len = 2 + len; | |
6200 | if (!buffer_allocate(&duid.buffer, duid.len, MDL)) { | |
6201 | log_fatal("Out of memory storing DUID"); | |
6202 | } | |
28868515 | 6203 | duid.data = (unsigned char *)duid.buffer->data; |
98bd7ca0 DH |
6204 | putUShort(duid.buffer->data, duid_type_num); |
6205 | memcpy(duid.buffer->data + 2, val, len); | |
6206 | ||
6207 | set_server_duid(&duid); | |
6208 | data_string_forget(&duid, MDL); | |
6209 | } | |
6210 | ||
6211 | /* | |
6212 | * Anything else is an error. | |
6213 | */ | |
6214 | else { | |
6215 | parse_warn(cfile, "DUID type of LLT, EN, or LL expected"); | |
6216 | skip_to_semi(cfile); | |
6217 | return; | |
6218 | } | |
6219 | ||
6220 | /* | |
6221 | * Finally consume our trailing semicolon. | |
6222 | */ | |
6223 | token = next_token(NULL, NULL, cfile); | |
6224 | if (token != SEMI) { | |
6225 | parse_warn(cfile, "semicolon expected"); | |
6226 | skip_to_semi(cfile); | |
6227 | } | |
6228 | } | |
fe5b0fdd DH |
6229 | |
6230 | #endif /* DHCPv6 */ | |
6231 |