xref: /openbsd-src/usr.sbin/unbound/util/configparser.y (revision 4c1e55dc91edd6e69ccc60ce855900fbc12cf34f) 
1 /*
2  * configparser.y -- yacc grammar for unbound configuration files
3  *
4  * Copyright (c) 2001-2006, NLnet Labs. All rights reserved.
5  *
6  * Copyright (c) 2007, NLnet Labs. All rights reserved.
7  *
8  * This software is open source.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  *
17  * Redistributions in binary form must reproduce the above copyright notice,
18  * this list of conditions and the following disclaimer in the documentation
19  * and/or other materials provided with the distribution.
20  *
21  * Neither the name of the NLNET LABS nor the names of its contributors may
22  * be used to endorse or promote products derived from this software without
23  * specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
29  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 %{
39 #include "config.h"
40 
41 #include <stdarg.h>
42 #include <stdio.h>
43 #include <string.h>
44 #include <stdlib.h>
45 #include <assert.h>
46 
47 #include "util/configyyrename.h"
48 #include "util/config_file.h"
49 #include "util/net_help.h"
50 
51 int ub_c_lex(void);
52 void ub_c_error(const char *message);
53 
54 /* these need to be global, otherwise they cannot be used inside yacc */
55 extern struct config_parser_state* cfg_parser;
56 
57 #if 0
58 #define OUTYY(s)  printf s /* used ONLY when debugging */
59 #else
60 #define OUTYY(s)
61 #endif
62 
63 %}
64 %union {
65 	char*	str;
66 };
67 
68 %token SPACE LETTER NEWLINE COMMENT COLON ANY ZONESTR
69 %token <str> STRING_ARG
70 %token VAR_SERVER VAR_VERBOSITY VAR_NUM_THREADS VAR_PORT
71 %token VAR_OUTGOING_RANGE VAR_INTERFACE
72 %token VAR_DO_IP4 VAR_DO_IP6 VAR_DO_UDP VAR_DO_TCP
73 %token VAR_CHROOT VAR_USERNAME VAR_DIRECTORY VAR_LOGFILE VAR_PIDFILE
74 %token VAR_MSG_CACHE_SIZE VAR_MSG_CACHE_SLABS VAR_NUM_QUERIES_PER_THREAD
75 %token VAR_RRSET_CACHE_SIZE VAR_RRSET_CACHE_SLABS VAR_OUTGOING_NUM_TCP
76 %token VAR_INFRA_HOST_TTL VAR_INFRA_LAME_TTL VAR_INFRA_CACHE_SLABS
77 %token VAR_INFRA_CACHE_NUMHOSTS VAR_INFRA_CACHE_LAME_SIZE VAR_NAME
78 %token VAR_STUB_ZONE VAR_STUB_HOST VAR_STUB_ADDR VAR_TARGET_FETCH_POLICY
79 %token VAR_HARDEN_SHORT_BUFSIZE VAR_HARDEN_LARGE_QUERIES
80 %token VAR_FORWARD_ZONE VAR_FORWARD_HOST VAR_FORWARD_ADDR
81 %token VAR_DO_NOT_QUERY_ADDRESS VAR_HIDE_IDENTITY VAR_HIDE_VERSION
82 %token VAR_IDENTITY VAR_VERSION VAR_HARDEN_GLUE VAR_MODULE_CONF
83 %token VAR_TRUST_ANCHOR_FILE VAR_TRUST_ANCHOR VAR_VAL_OVERRIDE_DATE
84 %token VAR_BOGUS_TTL VAR_VAL_CLEAN_ADDITIONAL VAR_VAL_PERMISSIVE_MODE
85 %token VAR_INCOMING_NUM_TCP VAR_MSG_BUFFER_SIZE VAR_KEY_CACHE_SIZE
86 %token VAR_KEY_CACHE_SLABS VAR_TRUSTED_KEYS_FILE
87 %token VAR_VAL_NSEC3_KEYSIZE_ITERATIONS VAR_USE_SYSLOG
88 %token VAR_OUTGOING_INTERFACE VAR_ROOT_HINTS VAR_DO_NOT_QUERY_LOCALHOST
89 %token VAR_CACHE_MAX_TTL VAR_HARDEN_DNSSEC_STRIPPED VAR_ACCESS_CONTROL
90 %token VAR_LOCAL_ZONE VAR_LOCAL_DATA VAR_INTERFACE_AUTOMATIC
91 %token VAR_STATISTICS_INTERVAL VAR_DO_DAEMONIZE VAR_USE_CAPS_FOR_ID
92 %token VAR_STATISTICS_CUMULATIVE VAR_OUTGOING_PORT_PERMIT
93 %token VAR_OUTGOING_PORT_AVOID VAR_DLV_ANCHOR_FILE VAR_DLV_ANCHOR
94 %token VAR_NEG_CACHE_SIZE VAR_HARDEN_REFERRAL_PATH VAR_PRIVATE_ADDRESS
95 %token VAR_PRIVATE_DOMAIN VAR_REMOTE_CONTROL VAR_CONTROL_ENABLE
96 %token VAR_CONTROL_INTERFACE VAR_CONTROL_PORT VAR_SERVER_KEY_FILE
97 %token VAR_SERVER_CERT_FILE VAR_CONTROL_KEY_FILE VAR_CONTROL_CERT_FILE
98 %token VAR_EXTENDED_STATISTICS VAR_LOCAL_DATA_PTR VAR_JOSTLE_TIMEOUT
99 %token VAR_STUB_PRIME VAR_UNWANTED_REPLY_THRESHOLD VAR_LOG_TIME_ASCII
100 %token VAR_DOMAIN_INSECURE VAR_PYTHON VAR_PYTHON_SCRIPT VAR_VAL_SIG_SKEW_MIN
101 %token VAR_VAL_SIG_SKEW_MAX VAR_CACHE_MIN_TTL VAR_VAL_LOG_LEVEL
102 %token VAR_AUTO_TRUST_ANCHOR_FILE VAR_KEEP_MISSING VAR_ADD_HOLDDOWN
103 %token VAR_DEL_HOLDDOWN VAR_SO_RCVBUF VAR_EDNS_BUFFER_SIZE VAR_PREFETCH
104 %token VAR_PREFETCH_KEY VAR_SO_SNDBUF VAR_HARDEN_BELOW_NXDOMAIN
105 %token VAR_IGNORE_CD_FLAG VAR_LOG_QUERIES VAR_TCP_UPSTREAM VAR_SSL_UPSTREAM
106 %token VAR_SSL_SERVICE_KEY VAR_SSL_SERVICE_PEM VAR_SSL_PORT
107 
108 %%
109 toplevelvars: /* empty */ | toplevelvars toplevelvar ;
110 toplevelvar: serverstart contents_server | stubstart contents_stub |
111 	forwardstart contents_forward | pythonstart contents_py |
112 	rcstart contents_rc
113 	;
114 
115 /* server: declaration */
116 serverstart: VAR_SERVER
117 	{
118 		OUTYY(("\nP(server:)\n"));
119 	}
120 	;
121 contents_server: contents_server content_server
122 	| ;
123 content_server: server_num_threads | server_verbosity | server_port |
124 	server_outgoing_range | server_do_ip4 |
125 	server_do_ip6 | server_do_udp | server_do_tcp |
126 	server_interface | server_chroot | server_username |
127 	server_directory | server_logfile | server_pidfile |
128 	server_msg_cache_size | server_msg_cache_slabs |
129 	server_num_queries_per_thread | server_rrset_cache_size |
130 	server_rrset_cache_slabs | server_outgoing_num_tcp |
131 	server_infra_host_ttl | server_infra_lame_ttl |
132 	server_infra_cache_slabs | server_infra_cache_numhosts |
133 	server_infra_cache_lame_size | server_target_fetch_policy |
134 	server_harden_short_bufsize | server_harden_large_queries |
135 	server_do_not_query_address | server_hide_identity |
136 	server_hide_version | server_identity | server_version |
137 	server_harden_glue | server_module_conf | server_trust_anchor_file |
138 	server_trust_anchor | server_val_override_date | server_bogus_ttl |
139 	server_val_clean_additional | server_val_permissive_mode |
140 	server_incoming_num_tcp | server_msg_buffer_size |
141 	server_key_cache_size | server_key_cache_slabs |
142 	server_trusted_keys_file | server_val_nsec3_keysize_iterations |
143 	server_use_syslog | server_outgoing_interface | server_root_hints |
144 	server_do_not_query_localhost | server_cache_max_ttl |
145 	server_harden_dnssec_stripped | server_access_control |
146 	server_local_zone | server_local_data | server_interface_automatic |
147 	server_statistics_interval | server_do_daemonize |
148 	server_use_caps_for_id | server_statistics_cumulative |
149 	server_outgoing_port_permit | server_outgoing_port_avoid |
150 	server_dlv_anchor_file | server_dlv_anchor | server_neg_cache_size |
151 	server_harden_referral_path | server_private_address |
152 	server_private_domain | server_extended_statistics |
153 	server_local_data_ptr | server_jostle_timeout |
154 	server_unwanted_reply_threshold | server_log_time_ascii |
155 	server_domain_insecure | server_val_sig_skew_min |
156 	server_val_sig_skew_max | server_cache_min_ttl | server_val_log_level |
157 	server_auto_trust_anchor_file | server_add_holddown |
158 	server_del_holddown | server_keep_missing | server_so_rcvbuf |
159 	server_edns_buffer_size | server_prefetch | server_prefetch_key |
160 	server_so_sndbuf | server_harden_below_nxdomain | server_ignore_cd_flag |
161 	server_log_queries | server_tcp_upstream | server_ssl_upstream |
162 	server_ssl_service_key | server_ssl_service_pem | server_ssl_port
163 	;
164 stubstart: VAR_STUB_ZONE
165 	{
166 		struct config_stub* s;
167 		OUTYY(("\nP(stub_zone:)\n"));
168 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
169 		if(s) {
170 			s->next = cfg_parser->cfg->stubs;
171 			cfg_parser->cfg->stubs = s;
172 		} else
173 			yyerror("out of memory");
174 	}
175 	;
176 contents_stub: contents_stub content_stub
177 	| ;
178 content_stub: stub_name | stub_host | stub_addr | stub_prime
179 	;
180 forwardstart: VAR_FORWARD_ZONE
181 	{
182 		struct config_stub* s;
183 		OUTYY(("\nP(forward_zone:)\n"));
184 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
185 		if(s) {
186 			s->next = cfg_parser->cfg->forwards;
187 			cfg_parser->cfg->forwards = s;
188 		} else
189 			yyerror("out of memory");
190 	}
191 	;
192 contents_forward: contents_forward content_forward
193 	| ;
194 content_forward: forward_name | forward_host | forward_addr
195 	;
196 server_num_threads: VAR_NUM_THREADS STRING_ARG
197 	{
198 		OUTYY(("P(server_num_threads:%s)\n", $2));
199 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
200 			yyerror("number expected");
201 		else cfg_parser->cfg->num_threads = atoi($2);
202 		free($2);
203 	}
204 	;
205 server_verbosity: VAR_VERBOSITY STRING_ARG
206 	{
207 		OUTYY(("P(server_verbosity:%s)\n", $2));
208 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
209 			yyerror("number expected");
210 		else cfg_parser->cfg->verbosity = atoi($2);
211 		free($2);
212 	}
213 	;
214 server_statistics_interval: VAR_STATISTICS_INTERVAL STRING_ARG
215 	{
216 		OUTYY(("P(server_statistics_interval:%s)\n", $2));
217 		if(strcmp($2, "") == 0 || strcmp($2, "0") == 0)
218 			cfg_parser->cfg->stat_interval = 0;
219 		else if(atoi($2) == 0)
220 			yyerror("number expected");
221 		else cfg_parser->cfg->stat_interval = atoi($2);
222 		free($2);
223 	}
224 	;
225 server_statistics_cumulative: VAR_STATISTICS_CUMULATIVE STRING_ARG
226 	{
227 		OUTYY(("P(server_statistics_cumulative:%s)\n", $2));
228 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
229 			yyerror("expected yes or no.");
230 		else cfg_parser->cfg->stat_cumulative = (strcmp($2, "yes")==0);
231 		free($2);
232 	}
233 	;
234 server_extended_statistics: VAR_EXTENDED_STATISTICS STRING_ARG
235 	{
236 		OUTYY(("P(server_extended_statistics:%s)\n", $2));
237 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
238 			yyerror("expected yes or no.");
239 		else cfg_parser->cfg->stat_extended = (strcmp($2, "yes")==0);
240 		free($2);
241 	}
242 	;
243 server_port: VAR_PORT STRING_ARG
244 	{
245 		OUTYY(("P(server_port:%s)\n", $2));
246 		if(atoi($2) == 0)
247 			yyerror("port number expected");
248 		else cfg_parser->cfg->port = atoi($2);
249 		free($2);
250 	}
251 	;
252 server_interface: VAR_INTERFACE STRING_ARG
253 	{
254 		OUTYY(("P(server_interface:%s)\n", $2));
255 		if(cfg_parser->cfg->num_ifs == 0)
256 			cfg_parser->cfg->ifs = calloc(1, sizeof(char*));
257 		else 	cfg_parser->cfg->ifs = realloc(cfg_parser->cfg->ifs,
258 				(cfg_parser->cfg->num_ifs+1)*sizeof(char*));
259 		if(!cfg_parser->cfg->ifs)
260 			yyerror("out of memory");
261 		else
262 			cfg_parser->cfg->ifs[cfg_parser->cfg->num_ifs++] = $2;
263 	}
264 	;
265 server_outgoing_interface: VAR_OUTGOING_INTERFACE STRING_ARG
266 	{
267 		OUTYY(("P(server_outgoing_interface:%s)\n", $2));
268 		if(cfg_parser->cfg->num_out_ifs == 0)
269 			cfg_parser->cfg->out_ifs = calloc(1, sizeof(char*));
270 		else 	cfg_parser->cfg->out_ifs = realloc(
271 			cfg_parser->cfg->out_ifs,
272 			(cfg_parser->cfg->num_out_ifs+1)*sizeof(char*));
273 		if(!cfg_parser->cfg->out_ifs)
274 			yyerror("out of memory");
275 		else
276 			cfg_parser->cfg->out_ifs[
277 				cfg_parser->cfg->num_out_ifs++] = $2;
278 	}
279 	;
280 server_outgoing_range: VAR_OUTGOING_RANGE STRING_ARG
281 	{
282 		OUTYY(("P(server_outgoing_range:%s)\n", $2));
283 		if(atoi($2) == 0)
284 			yyerror("number expected");
285 		else cfg_parser->cfg->outgoing_num_ports = atoi($2);
286 		free($2);
287 	}
288 	;
289 server_outgoing_port_permit: VAR_OUTGOING_PORT_PERMIT STRING_ARG
290 	{
291 		OUTYY(("P(server_outgoing_port_permit:%s)\n", $2));
292 		if(!cfg_mark_ports($2, 1,
293 			cfg_parser->cfg->outgoing_avail_ports, 65536))
294 			yyerror("port number or range (\"low-high\") expected");
295 		free($2);
296 	}
297 	;
298 server_outgoing_port_avoid: VAR_OUTGOING_PORT_AVOID STRING_ARG
299 	{
300 		OUTYY(("P(server_outgoing_port_avoid:%s)\n", $2));
301 		if(!cfg_mark_ports($2, 0,
302 			cfg_parser->cfg->outgoing_avail_ports, 65536))
303 			yyerror("port number or range (\"low-high\") expected");
304 		free($2);
305 	}
306 	;
307 server_outgoing_num_tcp: VAR_OUTGOING_NUM_TCP STRING_ARG
308 	{
309 		OUTYY(("P(server_outgoing_num_tcp:%s)\n", $2));
310 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
311 			yyerror("number expected");
312 		else cfg_parser->cfg->outgoing_num_tcp = atoi($2);
313 		free($2);
314 	}
315 	;
316 server_incoming_num_tcp: VAR_INCOMING_NUM_TCP STRING_ARG
317 	{
318 		OUTYY(("P(server_incoming_num_tcp:%s)\n", $2));
319 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
320 			yyerror("number expected");
321 		else cfg_parser->cfg->incoming_num_tcp = atoi($2);
322 		free($2);
323 	}
324 	;
325 server_interface_automatic: VAR_INTERFACE_AUTOMATIC STRING_ARG
326 	{
327 		OUTYY(("P(server_interface_automatic:%s)\n", $2));
328 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
329 			yyerror("expected yes or no.");
330 		else cfg_parser->cfg->if_automatic = (strcmp($2, "yes")==0);
331 		free($2);
332 	}
333 	;
334 server_do_ip4: VAR_DO_IP4 STRING_ARG
335 	{
336 		OUTYY(("P(server_do_ip4:%s)\n", $2));
337 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
338 			yyerror("expected yes or no.");
339 		else cfg_parser->cfg->do_ip4 = (strcmp($2, "yes")==0);
340 		free($2);
341 	}
342 	;
343 server_do_ip6: VAR_DO_IP6 STRING_ARG
344 	{
345 		OUTYY(("P(server_do_ip6:%s)\n", $2));
346 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
347 			yyerror("expected yes or no.");
348 		else cfg_parser->cfg->do_ip6 = (strcmp($2, "yes")==0);
349 		free($2);
350 	}
351 	;
352 server_do_udp: VAR_DO_UDP STRING_ARG
353 	{
354 		OUTYY(("P(server_do_udp:%s)\n", $2));
355 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
356 			yyerror("expected yes or no.");
357 		else cfg_parser->cfg->do_udp = (strcmp($2, "yes")==0);
358 		free($2);
359 	}
360 	;
361 server_do_tcp: VAR_DO_TCP STRING_ARG
362 	{
363 		OUTYY(("P(server_do_tcp:%s)\n", $2));
364 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
365 			yyerror("expected yes or no.");
366 		else cfg_parser->cfg->do_tcp = (strcmp($2, "yes")==0);
367 		free($2);
368 	}
369 	;
370 server_tcp_upstream: VAR_TCP_UPSTREAM STRING_ARG
371 	{
372 		OUTYY(("P(server_tcp_upstream:%s)\n", $2));
373 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
374 			yyerror("expected yes or no.");
375 		else cfg_parser->cfg->tcp_upstream = (strcmp($2, "yes")==0);
376 		free($2);
377 	}
378 	;
379 server_ssl_upstream: VAR_SSL_UPSTREAM STRING_ARG
380 	{
381 		OUTYY(("P(server_ssl_upstream:%s)\n", $2));
382 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
383 			yyerror("expected yes or no.");
384 		else cfg_parser->cfg->ssl_upstream = (strcmp($2, "yes")==0);
385 		free($2);
386 	}
387 	;
388 server_ssl_service_key: VAR_SSL_SERVICE_KEY STRING_ARG
389 	{
390 		OUTYY(("P(server_ssl_service_key:%s)\n", $2));
391 		free(cfg_parser->cfg->ssl_service_key);
392 		cfg_parser->cfg->ssl_service_key = $2;
393 	}
394 	;
395 server_ssl_service_pem: VAR_SSL_SERVICE_PEM STRING_ARG
396 	{
397 		OUTYY(("P(server_ssl_service_pem:%s)\n", $2));
398 		free(cfg_parser->cfg->ssl_service_pem);
399 		cfg_parser->cfg->ssl_service_pem = $2;
400 	}
401 	;
402 server_ssl_port: VAR_SSL_PORT STRING_ARG
403 	{
404 		OUTYY(("P(server_ssl_port:%s)\n", $2));
405 		if(atoi($2) == 0)
406 			yyerror("port number expected");
407 		else cfg_parser->cfg->ssl_port = atoi($2);
408 		free($2);
409 	}
410 	;
411 server_do_daemonize: VAR_DO_DAEMONIZE STRING_ARG
412 	{
413 		OUTYY(("P(server_do_daemonize:%s)\n", $2));
414 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
415 			yyerror("expected yes or no.");
416 		else cfg_parser->cfg->do_daemonize = (strcmp($2, "yes")==0);
417 		free($2);
418 	}
419 	;
420 server_use_syslog: VAR_USE_SYSLOG STRING_ARG
421 	{
422 		OUTYY(("P(server_use_syslog:%s)\n", $2));
423 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
424 			yyerror("expected yes or no.");
425 		else cfg_parser->cfg->use_syslog = (strcmp($2, "yes")==0);
426 #if !defined(HAVE_SYSLOG_H) && !defined(UB_ON_WINDOWS)
427 		if(strcmp($2, "yes") == 0)
428 			yyerror("no syslog services are available. "
429 				"(reconfigure and compile to add)");
430 #endif
431 		free($2);
432 	}
433 	;
434 server_log_time_ascii: VAR_LOG_TIME_ASCII STRING_ARG
435 	{
436 		OUTYY(("P(server_log_time_ascii:%s)\n", $2));
437 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
438 			yyerror("expected yes or no.");
439 		else cfg_parser->cfg->log_time_ascii = (strcmp($2, "yes")==0);
440 		free($2);
441 	}
442 	;
443 server_log_queries: VAR_LOG_QUERIES STRING_ARG
444 	{
445 		OUTYY(("P(server_log_queries:%s)\n", $2));
446 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
447 			yyerror("expected yes or no.");
448 		else cfg_parser->cfg->log_queries = (strcmp($2, "yes")==0);
449 		free($2);
450 	}
451 	;
452 server_chroot: VAR_CHROOT STRING_ARG
453 	{
454 		OUTYY(("P(server_chroot:%s)\n", $2));
455 		free(cfg_parser->cfg->chrootdir);
456 		cfg_parser->cfg->chrootdir = $2;
457 	}
458 	;
459 server_username: VAR_USERNAME STRING_ARG
460 	{
461 		OUTYY(("P(server_username:%s)\n", $2));
462 		free(cfg_parser->cfg->username);
463 		cfg_parser->cfg->username = $2;
464 	}
465 	;
466 server_directory: VAR_DIRECTORY STRING_ARG
467 	{
468 		OUTYY(("P(server_directory:%s)\n", $2));
469 		free(cfg_parser->cfg->directory);
470 		cfg_parser->cfg->directory = $2;
471 	}
472 	;
473 server_logfile: VAR_LOGFILE STRING_ARG
474 	{
475 		OUTYY(("P(server_logfile:%s)\n", $2));
476 		free(cfg_parser->cfg->logfile);
477 		cfg_parser->cfg->logfile = $2;
478 		cfg_parser->cfg->use_syslog = 0;
479 	}
480 	;
481 server_pidfile: VAR_PIDFILE STRING_ARG
482 	{
483 		OUTYY(("P(server_pidfile:%s)\n", $2));
484 		free(cfg_parser->cfg->pidfile);
485 		cfg_parser->cfg->pidfile = $2;
486 	}
487 	;
488 server_root_hints: VAR_ROOT_HINTS STRING_ARG
489 	{
490 		OUTYY(("P(server_root_hints:%s)\n", $2));
491 		if(!cfg_strlist_insert(&cfg_parser->cfg->root_hints, $2))
492 			yyerror("out of memory");
493 	}
494 	;
495 server_dlv_anchor_file: VAR_DLV_ANCHOR_FILE STRING_ARG
496 	{
497 		OUTYY(("P(server_dlv_anchor_file:%s)\n", $2));
498 		free(cfg_parser->cfg->dlv_anchor_file);
499 		cfg_parser->cfg->dlv_anchor_file = $2;
500 	}
501 	;
502 server_dlv_anchor: VAR_DLV_ANCHOR STRING_ARG
503 	{
504 		OUTYY(("P(server_dlv_anchor:%s)\n", $2));
505 		if(!cfg_strlist_insert(&cfg_parser->cfg->dlv_anchor_list, $2))
506 			yyerror("out of memory");
507 	}
508 	;
509 server_auto_trust_anchor_file: VAR_AUTO_TRUST_ANCHOR_FILE STRING_ARG
510 	{
511 		OUTYY(("P(server_auto_trust_anchor_file:%s)\n", $2));
512 		if(!cfg_strlist_insert(&cfg_parser->cfg->
513 			auto_trust_anchor_file_list, $2))
514 			yyerror("out of memory");
515 	}
516 	;
517 server_trust_anchor_file: VAR_TRUST_ANCHOR_FILE STRING_ARG
518 	{
519 		OUTYY(("P(server_trust_anchor_file:%s)\n", $2));
520 		if(!cfg_strlist_insert(&cfg_parser->cfg->
521 			trust_anchor_file_list, $2))
522 			yyerror("out of memory");
523 	}
524 	;
525 server_trusted_keys_file: VAR_TRUSTED_KEYS_FILE STRING_ARG
526 	{
527 		OUTYY(("P(server_trusted_keys_file:%s)\n", $2));
528 		if(!cfg_strlist_insert(&cfg_parser->cfg->
529 			trusted_keys_file_list, $2))
530 			yyerror("out of memory");
531 	}
532 	;
533 server_trust_anchor: VAR_TRUST_ANCHOR STRING_ARG
534 	{
535 		OUTYY(("P(server_trust_anchor:%s)\n", $2));
536 		if(!cfg_strlist_insert(&cfg_parser->cfg->trust_anchor_list, $2))
537 			yyerror("out of memory");
538 	}
539 	;
540 server_domain_insecure: VAR_DOMAIN_INSECURE STRING_ARG
541 	{
542 		OUTYY(("P(server_domain_insecure:%s)\n", $2));
543 		if(!cfg_strlist_insert(&cfg_parser->cfg->domain_insecure, $2))
544 			yyerror("out of memory");
545 	}
546 	;
547 server_hide_identity: VAR_HIDE_IDENTITY STRING_ARG
548 	{
549 		OUTYY(("P(server_hide_identity:%s)\n", $2));
550 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
551 			yyerror("expected yes or no.");
552 		else cfg_parser->cfg->hide_identity = (strcmp($2, "yes")==0);
553 		free($2);
554 	}
555 	;
556 server_hide_version: VAR_HIDE_VERSION STRING_ARG
557 	{
558 		OUTYY(("P(server_hide_version:%s)\n", $2));
559 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
560 			yyerror("expected yes or no.");
561 		else cfg_parser->cfg->hide_version = (strcmp($2, "yes")==0);
562 		free($2);
563 	}
564 	;
565 server_identity: VAR_IDENTITY STRING_ARG
566 	{
567 		OUTYY(("P(server_identity:%s)\n", $2));
568 		free(cfg_parser->cfg->identity);
569 		cfg_parser->cfg->identity = $2;
570 	}
571 	;
572 server_version: VAR_VERSION STRING_ARG
573 	{
574 		OUTYY(("P(server_version:%s)\n", $2));
575 		free(cfg_parser->cfg->version);
576 		cfg_parser->cfg->version = $2;
577 	}
578 	;
579 server_so_rcvbuf: VAR_SO_RCVBUF STRING_ARG
580 	{
581 		OUTYY(("P(server_so_rcvbuf:%s)\n", $2));
582 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_rcvbuf))
583 			yyerror("buffer size expected");
584 		free($2);
585 	}
586 	;
587 server_so_sndbuf: VAR_SO_SNDBUF STRING_ARG
588 	{
589 		OUTYY(("P(server_so_sndbuf:%s)\n", $2));
590 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_sndbuf))
591 			yyerror("buffer size expected");
592 		free($2);
593 	}
594 	;
595 server_edns_buffer_size: VAR_EDNS_BUFFER_SIZE STRING_ARG
596 	{
597 		OUTYY(("P(server_edns_buffer_size:%s)\n", $2));
598 		if(atoi($2) == 0)
599 			yyerror("number expected");
600 		else if (atoi($2) < 12)
601 			yyerror("edns buffer size too small");
602 		else if (atoi($2) > 65535)
603 			cfg_parser->cfg->edns_buffer_size = 65535;
604 		else cfg_parser->cfg->edns_buffer_size = atoi($2);
605 		free($2);
606 	}
607 	;
608 server_msg_buffer_size: VAR_MSG_BUFFER_SIZE STRING_ARG
609 	{
610 		OUTYY(("P(server_msg_buffer_size:%s)\n", $2));
611 		if(atoi($2) == 0)
612 			yyerror("number expected");
613 		else if (atoi($2) < 4096)
614 			yyerror("message buffer size too small (use 4096)");
615 		else cfg_parser->cfg->msg_buffer_size = atoi($2);
616 		free($2);
617 	}
618 	;
619 server_msg_cache_size: VAR_MSG_CACHE_SIZE STRING_ARG
620 	{
621 		OUTYY(("P(server_msg_cache_size:%s)\n", $2));
622 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->msg_cache_size))
623 			yyerror("memory size expected");
624 		free($2);
625 	}
626 	;
627 server_msg_cache_slabs: VAR_MSG_CACHE_SLABS STRING_ARG
628 	{
629 		OUTYY(("P(server_msg_cache_slabs:%s)\n", $2));
630 		if(atoi($2) == 0)
631 			yyerror("number expected");
632 		else {
633 			cfg_parser->cfg->msg_cache_slabs = atoi($2);
634 			if(!is_pow2(cfg_parser->cfg->msg_cache_slabs))
635 				yyerror("must be a power of 2");
636 		}
637 		free($2);
638 	}
639 	;
640 server_num_queries_per_thread: VAR_NUM_QUERIES_PER_THREAD STRING_ARG
641 	{
642 		OUTYY(("P(server_num_queries_per_thread:%s)\n", $2));
643 		if(atoi($2) == 0)
644 			yyerror("number expected");
645 		else cfg_parser->cfg->num_queries_per_thread = atoi($2);
646 		free($2);
647 	}
648 	;
649 server_jostle_timeout: VAR_JOSTLE_TIMEOUT STRING_ARG
650 	{
651 		OUTYY(("P(server_jostle_timeout:%s)\n", $2));
652 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
653 			yyerror("number expected");
654 		else cfg_parser->cfg->jostle_time = atoi($2);
655 		free($2);
656 	}
657 	;
658 server_rrset_cache_size: VAR_RRSET_CACHE_SIZE STRING_ARG
659 	{
660 		OUTYY(("P(server_rrset_cache_size:%s)\n", $2));
661 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->rrset_cache_size))
662 			yyerror("memory size expected");
663 		free($2);
664 	}
665 	;
666 server_rrset_cache_slabs: VAR_RRSET_CACHE_SLABS STRING_ARG
667 	{
668 		OUTYY(("P(server_rrset_cache_slabs:%s)\n", $2));
669 		if(atoi($2) == 0)
670 			yyerror("number expected");
671 		else {
672 			cfg_parser->cfg->rrset_cache_slabs = atoi($2);
673 			if(!is_pow2(cfg_parser->cfg->rrset_cache_slabs))
674 				yyerror("must be a power of 2");
675 		}
676 		free($2);
677 	}
678 	;
679 server_infra_host_ttl: VAR_INFRA_HOST_TTL STRING_ARG
680 	{
681 		OUTYY(("P(server_infra_host_ttl:%s)\n", $2));
682 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
683 			yyerror("number expected");
684 		else cfg_parser->cfg->host_ttl = atoi($2);
685 		free($2);
686 	}
687 	;
688 server_infra_lame_ttl: VAR_INFRA_LAME_TTL STRING_ARG
689 	{
690 		OUTYY(("P(server_infra_lame_ttl:%s)\n", $2));
691 		verbose(VERB_DETAIL, "ignored infra-lame-ttl: %s (option "
692 			"removed, use infra-host-ttl)", $2);
693 		free($2);
694 	}
695 	;
696 server_infra_cache_numhosts: VAR_INFRA_CACHE_NUMHOSTS STRING_ARG
697 	{
698 		OUTYY(("P(server_infra_cache_numhosts:%s)\n", $2));
699 		if(atoi($2) == 0)
700 			yyerror("number expected");
701 		else cfg_parser->cfg->infra_cache_numhosts = atoi($2);
702 		free($2);
703 	}
704 	;
705 server_infra_cache_lame_size: VAR_INFRA_CACHE_LAME_SIZE STRING_ARG
706 	{
707 		OUTYY(("P(server_infra_cache_lame_size:%s)\n", $2));
708 		verbose(VERB_DETAIL, "ignored infra-cache-lame-size: %s "
709 			"(option removed, use infra-cache-numhosts)", $2);
710 		free($2);
711 	}
712 	;
713 server_infra_cache_slabs: VAR_INFRA_CACHE_SLABS STRING_ARG
714 	{
715 		OUTYY(("P(server_infra_cache_slabs:%s)\n", $2));
716 		if(atoi($2) == 0)
717 			yyerror("number expected");
718 		else {
719 			cfg_parser->cfg->infra_cache_slabs = atoi($2);
720 			if(!is_pow2(cfg_parser->cfg->infra_cache_slabs))
721 				yyerror("must be a power of 2");
722 		}
723 		free($2);
724 	}
725 	;
726 server_target_fetch_policy: VAR_TARGET_FETCH_POLICY STRING_ARG
727 	{
728 		OUTYY(("P(server_target_fetch_policy:%s)\n", $2));
729 		free(cfg_parser->cfg->target_fetch_policy);
730 		cfg_parser->cfg->target_fetch_policy = $2;
731 	}
732 	;
733 server_harden_short_bufsize: VAR_HARDEN_SHORT_BUFSIZE STRING_ARG
734 	{
735 		OUTYY(("P(server_harden_short_bufsize:%s)\n", $2));
736 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
737 			yyerror("expected yes or no.");
738 		else cfg_parser->cfg->harden_short_bufsize =
739 			(strcmp($2, "yes")==0);
740 		free($2);
741 	}
742 	;
743 server_harden_large_queries: VAR_HARDEN_LARGE_QUERIES STRING_ARG
744 	{
745 		OUTYY(("P(server_harden_large_queries:%s)\n", $2));
746 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
747 			yyerror("expected yes or no.");
748 		else cfg_parser->cfg->harden_large_queries =
749 			(strcmp($2, "yes")==0);
750 		free($2);
751 	}
752 	;
753 server_harden_glue: VAR_HARDEN_GLUE STRING_ARG
754 	{
755 		OUTYY(("P(server_harden_glue:%s)\n", $2));
756 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
757 			yyerror("expected yes or no.");
758 		else cfg_parser->cfg->harden_glue =
759 			(strcmp($2, "yes")==0);
760 		free($2);
761 	}
762 	;
763 server_harden_dnssec_stripped: VAR_HARDEN_DNSSEC_STRIPPED STRING_ARG
764 	{
765 		OUTYY(("P(server_harden_dnssec_stripped:%s)\n", $2));
766 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
767 			yyerror("expected yes or no.");
768 		else cfg_parser->cfg->harden_dnssec_stripped =
769 			(strcmp($2, "yes")==0);
770 		free($2);
771 	}
772 	;
773 server_harden_below_nxdomain: VAR_HARDEN_BELOW_NXDOMAIN STRING_ARG
774 	{
775 		OUTYY(("P(server_harden_below_nxdomain:%s)\n", $2));
776 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
777 			yyerror("expected yes or no.");
778 		else cfg_parser->cfg->harden_below_nxdomain =
779 			(strcmp($2, "yes")==0);
780 		free($2);
781 	}
782 	;
783 server_harden_referral_path: VAR_HARDEN_REFERRAL_PATH STRING_ARG
784 	{
785 		OUTYY(("P(server_harden_referral_path:%s)\n", $2));
786 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
787 			yyerror("expected yes or no.");
788 		else cfg_parser->cfg->harden_referral_path =
789 			(strcmp($2, "yes")==0);
790 		free($2);
791 	}
792 	;
793 server_use_caps_for_id: VAR_USE_CAPS_FOR_ID STRING_ARG
794 	{
795 		OUTYY(("P(server_use_caps_for_id:%s)\n", $2));
796 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
797 			yyerror("expected yes or no.");
798 		else cfg_parser->cfg->use_caps_bits_for_id =
799 			(strcmp($2, "yes")==0);
800 		free($2);
801 	}
802 	;
803 server_private_address: VAR_PRIVATE_ADDRESS STRING_ARG
804 	{
805 		OUTYY(("P(server_private_address:%s)\n", $2));
806 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_address, $2))
807 			yyerror("out of memory");
808 	}
809 	;
810 server_private_domain: VAR_PRIVATE_DOMAIN STRING_ARG
811 	{
812 		OUTYY(("P(server_private_domain:%s)\n", $2));
813 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_domain, $2))
814 			yyerror("out of memory");
815 	}
816 	;
817 server_prefetch: VAR_PREFETCH STRING_ARG
818 	{
819 		OUTYY(("P(server_prefetch:%s)\n", $2));
820 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
821 			yyerror("expected yes or no.");
822 		else cfg_parser->cfg->prefetch = (strcmp($2, "yes")==0);
823 		free($2);
824 	}
825 	;
826 server_prefetch_key: VAR_PREFETCH_KEY STRING_ARG
827 	{
828 		OUTYY(("P(server_prefetch_key:%s)\n", $2));
829 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
830 			yyerror("expected yes or no.");
831 		else cfg_parser->cfg->prefetch_key = (strcmp($2, "yes")==0);
832 		free($2);
833 	}
834 	;
835 server_unwanted_reply_threshold: VAR_UNWANTED_REPLY_THRESHOLD STRING_ARG
836 	{
837 		OUTYY(("P(server_unwanted_reply_threshold:%s)\n", $2));
838 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
839 			yyerror("number expected");
840 		else cfg_parser->cfg->unwanted_threshold = atoi($2);
841 		free($2);
842 	}
843 	;
844 server_do_not_query_address: VAR_DO_NOT_QUERY_ADDRESS STRING_ARG
845 	{
846 		OUTYY(("P(server_do_not_query_address:%s)\n", $2));
847 		if(!cfg_strlist_insert(&cfg_parser->cfg->donotqueryaddrs, $2))
848 			yyerror("out of memory");
849 	}
850 	;
851 server_do_not_query_localhost: VAR_DO_NOT_QUERY_LOCALHOST STRING_ARG
852 	{
853 		OUTYY(("P(server_do_not_query_localhost:%s)\n", $2));
854 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
855 			yyerror("expected yes or no.");
856 		else cfg_parser->cfg->donotquery_localhost =
857 			(strcmp($2, "yes")==0);
858 		free($2);
859 	}
860 	;
861 server_access_control: VAR_ACCESS_CONTROL STRING_ARG STRING_ARG
862 	{
863 		OUTYY(("P(server_access_control:%s %s)\n", $2, $3));
864 		if(strcmp($3, "deny")!=0 && strcmp($3, "refuse")!=0 &&
865 			strcmp($3, "allow")!=0 &&
866 			strcmp($3, "allow_snoop")!=0) {
867 			yyerror("expected deny, refuse, allow or allow_snoop "
868 				"in access control action");
869 		} else {
870 			if(!cfg_str2list_insert(&cfg_parser->cfg->acls, $2, $3))
871 				fatal_exit("out of memory adding acl");
872 		}
873 	}
874 	;
875 server_module_conf: VAR_MODULE_CONF STRING_ARG
876 	{
877 		OUTYY(("P(server_module_conf:%s)\n", $2));
878 		free(cfg_parser->cfg->module_conf);
879 		cfg_parser->cfg->module_conf = $2;
880 	}
881 	;
882 server_val_override_date: VAR_VAL_OVERRIDE_DATE STRING_ARG
883 	{
884 		OUTYY(("P(server_val_override_date:%s)\n", $2));
885 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
886 			cfg_parser->cfg->val_date_override = 0;
887 		} else if(strlen($2) == 14) {
888 			cfg_parser->cfg->val_date_override =
889 				cfg_convert_timeval($2);
890 			if(!cfg_parser->cfg->val_date_override)
891 				yyerror("bad date/time specification");
892 		} else {
893 			if(atoi($2) == 0)
894 				yyerror("number expected");
895 			cfg_parser->cfg->val_date_override = atoi($2);
896 		}
897 		free($2);
898 	}
899 	;
900 server_val_sig_skew_min: VAR_VAL_SIG_SKEW_MIN STRING_ARG
901 	{
902 		OUTYY(("P(server_val_sig_skew_min:%s)\n", $2));
903 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
904 			cfg_parser->cfg->val_sig_skew_min = 0;
905 		} else {
906 			cfg_parser->cfg->val_sig_skew_min = atoi($2);
907 			if(!cfg_parser->cfg->val_sig_skew_min)
908 				yyerror("number expected");
909 		}
910 		free($2);
911 	}
912 	;
913 server_val_sig_skew_max: VAR_VAL_SIG_SKEW_MAX STRING_ARG
914 	{
915 		OUTYY(("P(server_val_sig_skew_max:%s)\n", $2));
916 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
917 			cfg_parser->cfg->val_sig_skew_max = 0;
918 		} else {
919 			cfg_parser->cfg->val_sig_skew_max = atoi($2);
920 			if(!cfg_parser->cfg->val_sig_skew_max)
921 				yyerror("number expected");
922 		}
923 		free($2);
924 	}
925 	;
926 server_cache_max_ttl: VAR_CACHE_MAX_TTL STRING_ARG
927 	{
928 		OUTYY(("P(server_cache_max_ttl:%s)\n", $2));
929 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
930 			yyerror("number expected");
931 		else cfg_parser->cfg->max_ttl = atoi($2);
932 		free($2);
933 	}
934 	;
935 server_cache_min_ttl: VAR_CACHE_MIN_TTL STRING_ARG
936 	{
937 		OUTYY(("P(server_cache_min_ttl:%s)\n", $2));
938 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
939 			yyerror("number expected");
940 		else cfg_parser->cfg->min_ttl = atoi($2);
941 		free($2);
942 	}
943 	;
944 server_bogus_ttl: VAR_BOGUS_TTL STRING_ARG
945 	{
946 		OUTYY(("P(server_bogus_ttl:%s)\n", $2));
947 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
948 			yyerror("number expected");
949 		else cfg_parser->cfg->bogus_ttl = atoi($2);
950 		free($2);
951 	}
952 	;
953 server_val_clean_additional: VAR_VAL_CLEAN_ADDITIONAL STRING_ARG
954 	{
955 		OUTYY(("P(server_val_clean_additional:%s)\n", $2));
956 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
957 			yyerror("expected yes or no.");
958 		else cfg_parser->cfg->val_clean_additional =
959 			(strcmp($2, "yes")==0);
960 		free($2);
961 	}
962 	;
963 server_val_permissive_mode: VAR_VAL_PERMISSIVE_MODE STRING_ARG
964 	{
965 		OUTYY(("P(server_val_permissive_mode:%s)\n", $2));
966 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
967 			yyerror("expected yes or no.");
968 		else cfg_parser->cfg->val_permissive_mode =
969 			(strcmp($2, "yes")==0);
970 		free($2);
971 	}
972 	;
973 server_ignore_cd_flag: VAR_IGNORE_CD_FLAG STRING_ARG
974 	{
975 		OUTYY(("P(server_ignore_cd_flag:%s)\n", $2));
976 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
977 			yyerror("expected yes or no.");
978 		else cfg_parser->cfg->ignore_cd = (strcmp($2, "yes")==0);
979 		free($2);
980 	}
981 	;
982 server_val_log_level: VAR_VAL_LOG_LEVEL STRING_ARG
983 	{
984 		OUTYY(("P(server_val_log_level:%s)\n", $2));
985 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
986 			yyerror("number expected");
987 		else cfg_parser->cfg->val_log_level = atoi($2);
988 		free($2);
989 	}
990 	;
991 server_val_nsec3_keysize_iterations: VAR_VAL_NSEC3_KEYSIZE_ITERATIONS STRING_ARG
992 	{
993 		OUTYY(("P(server_val_nsec3_keysize_iterations:%s)\n", $2));
994 		free(cfg_parser->cfg->val_nsec3_key_iterations);
995 		cfg_parser->cfg->val_nsec3_key_iterations = $2;
996 	}
997 	;
998 server_add_holddown: VAR_ADD_HOLDDOWN STRING_ARG
999 	{
1000 		OUTYY(("P(server_add_holddown:%s)\n", $2));
1001 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1002 			yyerror("number expected");
1003 		else cfg_parser->cfg->add_holddown = atoi($2);
1004 		free($2);
1005 	}
1006 	;
1007 server_del_holddown: VAR_DEL_HOLDDOWN STRING_ARG
1008 	{
1009 		OUTYY(("P(server_del_holddown:%s)\n", $2));
1010 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1011 			yyerror("number expected");
1012 		else cfg_parser->cfg->del_holddown = atoi($2);
1013 		free($2);
1014 	}
1015 	;
1016 server_keep_missing: VAR_KEEP_MISSING STRING_ARG
1017 	{
1018 		OUTYY(("P(server_keep_missing:%s)\n", $2));
1019 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1020 			yyerror("number expected");
1021 		else cfg_parser->cfg->keep_missing = atoi($2);
1022 		free($2);
1023 	}
1024 	;
1025 server_key_cache_size: VAR_KEY_CACHE_SIZE STRING_ARG
1026 	{
1027 		OUTYY(("P(server_key_cache_size:%s)\n", $2));
1028 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->key_cache_size))
1029 			yyerror("memory size expected");
1030 		free($2);
1031 	}
1032 	;
1033 server_key_cache_slabs: VAR_KEY_CACHE_SLABS STRING_ARG
1034 	{
1035 		OUTYY(("P(server_key_cache_slabs:%s)\n", $2));
1036 		if(atoi($2) == 0)
1037 			yyerror("number expected");
1038 		else {
1039 			cfg_parser->cfg->key_cache_slabs = atoi($2);
1040 			if(!is_pow2(cfg_parser->cfg->key_cache_slabs))
1041 				yyerror("must be a power of 2");
1042 		}
1043 		free($2);
1044 	}
1045 	;
1046 server_neg_cache_size: VAR_NEG_CACHE_SIZE STRING_ARG
1047 	{
1048 		OUTYY(("P(server_neg_cache_size:%s)\n", $2));
1049 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->neg_cache_size))
1050 			yyerror("memory size expected");
1051 		free($2);
1052 	}
1053 	;
1054 server_local_zone: VAR_LOCAL_ZONE STRING_ARG STRING_ARG
1055 	{
1056 		OUTYY(("P(server_local_zone:%s %s)\n", $2, $3));
1057 		if(strcmp($3, "static")!=0 && strcmp($3, "deny")!=0 &&
1058 		   strcmp($3, "refuse")!=0 && strcmp($3, "redirect")!=0 &&
1059 		   strcmp($3, "transparent")!=0 && strcmp($3, "nodefault")!=0
1060 		   && strcmp($3, "typetransparent")!=0)
1061 			yyerror("local-zone type: expected static, deny, "
1062 				"refuse, redirect, transparent, "
1063 				"typetransparent or nodefault");
1064 		else if(strcmp($3, "nodefault")==0) {
1065 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1066 				local_zones_nodefault, $2))
1067 				fatal_exit("out of memory adding local-zone");
1068 			free($3);
1069 		} else {
1070 			if(!cfg_str2list_insert(&cfg_parser->cfg->local_zones,
1071 				$2, $3))
1072 				fatal_exit("out of memory adding local-zone");
1073 		}
1074 	}
1075 	;
1076 server_local_data: VAR_LOCAL_DATA STRING_ARG
1077 	{
1078 		OUTYY(("P(server_local_data:%s)\n", $2));
1079 		if(!cfg_strlist_insert(&cfg_parser->cfg->local_data, $2))
1080 			fatal_exit("out of memory adding local-data");
1081 	}
1082 	;
1083 server_local_data_ptr: VAR_LOCAL_DATA_PTR STRING_ARG
1084 	{
1085 		char* ptr;
1086 		OUTYY(("P(server_local_data_ptr:%s)\n", $2));
1087 		ptr = cfg_ptr_reverse($2);
1088 		free($2);
1089 		if(ptr) {
1090 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1091 				local_data, ptr))
1092 				fatal_exit("out of memory adding local-data");
1093 		} else {
1094 			yyerror("local-data-ptr could not be reversed");
1095 		}
1096 	}
1097 	;
1098 stub_name: VAR_NAME STRING_ARG
1099 	{
1100 		OUTYY(("P(name:%s)\n", $2));
1101 		if(cfg_parser->cfg->stubs->name)
1102 			yyerror("stub name override, there must be one name "
1103 				"for one stub-zone");
1104 		free(cfg_parser->cfg->stubs->name);
1105 		cfg_parser->cfg->stubs->name = $2;
1106 	}
1107 	;
1108 stub_host: VAR_STUB_HOST STRING_ARG
1109 	{
1110 		OUTYY(("P(stub-host:%s)\n", $2));
1111 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->hosts, $2))
1112 			yyerror("out of memory");
1113 	}
1114 	;
1115 stub_addr: VAR_STUB_ADDR STRING_ARG
1116 	{
1117 		OUTYY(("P(stub-addr:%s)\n", $2));
1118 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->addrs, $2))
1119 			yyerror("out of memory");
1120 	}
1121 	;
1122 stub_prime: VAR_STUB_PRIME STRING_ARG
1123 	{
1124 		OUTYY(("P(stub-prime:%s)\n", $2));
1125 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1126 			yyerror("expected yes or no.");
1127 		else cfg_parser->cfg->stubs->isprime =
1128 			(strcmp($2, "yes")==0);
1129 		free($2);
1130 	}
1131 	;
1132 forward_name: VAR_NAME STRING_ARG
1133 	{
1134 		OUTYY(("P(name:%s)\n", $2));
1135 		if(cfg_parser->cfg->forwards->name)
1136 			yyerror("forward name override, there must be one "
1137 				"name for one forward-zone");
1138 		free(cfg_parser->cfg->forwards->name);
1139 		cfg_parser->cfg->forwards->name = $2;
1140 	}
1141 	;
1142 forward_host: VAR_FORWARD_HOST STRING_ARG
1143 	{
1144 		OUTYY(("P(forward-host:%s)\n", $2));
1145 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->hosts, $2))
1146 			yyerror("out of memory");
1147 	}
1148 	;
1149 forward_addr: VAR_FORWARD_ADDR STRING_ARG
1150 	{
1151 		OUTYY(("P(forward-addr:%s)\n", $2));
1152 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->addrs, $2))
1153 			yyerror("out of memory");
1154 	}
1155 	;
1156 rcstart: VAR_REMOTE_CONTROL
1157 	{
1158 		OUTYY(("\nP(remote-control:)\n"));
1159 	}
1160 	;
1161 contents_rc: contents_rc content_rc
1162 	| ;
1163 content_rc: rc_control_enable | rc_control_interface | rc_control_port |
1164 	rc_server_key_file | rc_server_cert_file | rc_control_key_file |
1165 	rc_control_cert_file
1166 	;
1167 rc_control_enable: VAR_CONTROL_ENABLE STRING_ARG
1168 	{
1169 		OUTYY(("P(control_enable:%s)\n", $2));
1170 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1171 			yyerror("expected yes or no.");
1172 		else cfg_parser->cfg->remote_control_enable =
1173 			(strcmp($2, "yes")==0);
1174 		free($2);
1175 	}
1176 	;
1177 rc_control_port: VAR_CONTROL_PORT STRING_ARG
1178 	{
1179 		OUTYY(("P(control_port:%s)\n", $2));
1180 		if(atoi($2) == 0)
1181 			yyerror("control port number expected");
1182 		else cfg_parser->cfg->control_port = atoi($2);
1183 		free($2);
1184 	}
1185 	;
1186 rc_control_interface: VAR_CONTROL_INTERFACE STRING_ARG
1187 	{
1188 		OUTYY(("P(control_interface:%s)\n", $2));
1189 		if(!cfg_strlist_insert(&cfg_parser->cfg->control_ifs, $2))
1190 			yyerror("out of memory");
1191 	}
1192 	;
1193 rc_server_key_file: VAR_SERVER_KEY_FILE STRING_ARG
1194 	{
1195 		OUTYY(("P(rc_server_key_file:%s)\n", $2));
1196 		free(cfg_parser->cfg->server_key_file);
1197 		cfg_parser->cfg->server_key_file = $2;
1198 	}
1199 	;
1200 rc_server_cert_file: VAR_SERVER_CERT_FILE STRING_ARG
1201 	{
1202 		OUTYY(("P(rc_server_cert_file:%s)\n", $2));
1203 		free(cfg_parser->cfg->server_cert_file);
1204 		cfg_parser->cfg->server_cert_file = $2;
1205 	}
1206 	;
1207 rc_control_key_file: VAR_CONTROL_KEY_FILE STRING_ARG
1208 	{
1209 		OUTYY(("P(rc_control_key_file:%s)\n", $2));
1210 		free(cfg_parser->cfg->control_key_file);
1211 		cfg_parser->cfg->control_key_file = $2;
1212 	}
1213 	;
1214 rc_control_cert_file: VAR_CONTROL_CERT_FILE STRING_ARG
1215 	{
1216 		OUTYY(("P(rc_control_cert_file:%s)\n", $2));
1217 		free(cfg_parser->cfg->control_cert_file);
1218 		cfg_parser->cfg->control_cert_file = $2;
1219 	}
1220 	;
1221 pythonstart: VAR_PYTHON
1222 	{
1223 		OUTYY(("\nP(python:)\n"));
1224 	}
1225 	;
1226 contents_py: contents_py content_py
1227 	| ;
1228 content_py: py_script
1229 	;
1230 py_script: VAR_PYTHON_SCRIPT STRING_ARG
1231 	{
1232 		OUTYY(("P(python-script:%s)\n", $2));
1233 		free(cfg_parser->cfg->python_script);
1234 		cfg_parser->cfg->python_script = $2;
1235 	}
1236 %%
1237 
1238 /* parse helper routines could be here */
1239