xref: /freebsd/contrib/unbound/util/configparser.y (revision 0677dfd1c4dadb62482e2c72fa4c6720902128a4) 
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
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
31  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35  * SOFTWARE, EVEN IF ADVISED OF THE 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/config_file.h"
48 #include "util/net_help.h"
49 
50 int ub_c_lex(void);
51 void ub_c_error(const char *message);
52 
53 /* these need to be global, otherwise they cannot be used inside yacc */
54 extern struct config_parser_state* cfg_parser;
55 
56 #if 0
57 #define OUTYY(s)  printf s /* used ONLY when debugging */
58 #else
59 #define OUTYY(s)
60 #endif
61 
62 %}
63 %union {
64 	char*	str;
65 };
66 
67 %token SPACE LETTER NEWLINE COMMENT COLON ANY ZONESTR
68 %token <str> STRING_ARG
69 %token VAR_SERVER VAR_VERBOSITY VAR_NUM_THREADS VAR_PORT
70 %token VAR_OUTGOING_RANGE VAR_INTERFACE
71 %token VAR_DO_IP4 VAR_DO_IP6 VAR_DO_UDP VAR_DO_TCP
72 %token VAR_CHROOT VAR_USERNAME VAR_DIRECTORY VAR_LOGFILE VAR_PIDFILE
73 %token VAR_MSG_CACHE_SIZE VAR_MSG_CACHE_SLABS VAR_NUM_QUERIES_PER_THREAD
74 %token VAR_RRSET_CACHE_SIZE VAR_RRSET_CACHE_SLABS VAR_OUTGOING_NUM_TCP
75 %token VAR_INFRA_HOST_TTL VAR_INFRA_LAME_TTL VAR_INFRA_CACHE_SLABS
76 %token VAR_INFRA_CACHE_NUMHOSTS VAR_INFRA_CACHE_LAME_SIZE VAR_NAME
77 %token VAR_STUB_ZONE VAR_STUB_HOST VAR_STUB_ADDR VAR_TARGET_FETCH_POLICY
78 %token VAR_HARDEN_SHORT_BUFSIZE VAR_HARDEN_LARGE_QUERIES
79 %token VAR_FORWARD_ZONE VAR_FORWARD_HOST VAR_FORWARD_ADDR
80 %token VAR_DO_NOT_QUERY_ADDRESS VAR_HIDE_IDENTITY VAR_HIDE_VERSION
81 %token VAR_IDENTITY VAR_VERSION VAR_HARDEN_GLUE VAR_MODULE_CONF
82 %token VAR_TRUST_ANCHOR_FILE VAR_TRUST_ANCHOR VAR_VAL_OVERRIDE_DATE
83 %token VAR_BOGUS_TTL VAR_VAL_CLEAN_ADDITIONAL VAR_VAL_PERMISSIVE_MODE
84 %token VAR_INCOMING_NUM_TCP VAR_MSG_BUFFER_SIZE VAR_KEY_CACHE_SIZE
85 %token VAR_KEY_CACHE_SLABS VAR_TRUSTED_KEYS_FILE
86 %token VAR_VAL_NSEC3_KEYSIZE_ITERATIONS VAR_USE_SYSLOG
87 %token VAR_OUTGOING_INTERFACE VAR_ROOT_HINTS VAR_DO_NOT_QUERY_LOCALHOST
88 %token VAR_CACHE_MAX_TTL VAR_HARDEN_DNSSEC_STRIPPED VAR_ACCESS_CONTROL
89 %token VAR_LOCAL_ZONE VAR_LOCAL_DATA VAR_INTERFACE_AUTOMATIC
90 %token VAR_STATISTICS_INTERVAL VAR_DO_DAEMONIZE VAR_USE_CAPS_FOR_ID
91 %token VAR_STATISTICS_CUMULATIVE VAR_OUTGOING_PORT_PERMIT
92 %token VAR_OUTGOING_PORT_AVOID VAR_DLV_ANCHOR_FILE VAR_DLV_ANCHOR
93 %token VAR_NEG_CACHE_SIZE VAR_HARDEN_REFERRAL_PATH VAR_PRIVATE_ADDRESS
94 %token VAR_PRIVATE_DOMAIN VAR_REMOTE_CONTROL VAR_CONTROL_ENABLE
95 %token VAR_CONTROL_INTERFACE VAR_CONTROL_PORT VAR_SERVER_KEY_FILE
96 %token VAR_SERVER_CERT_FILE VAR_CONTROL_KEY_FILE VAR_CONTROL_CERT_FILE
97 %token VAR_EXTENDED_STATISTICS VAR_LOCAL_DATA_PTR VAR_JOSTLE_TIMEOUT
98 %token VAR_STUB_PRIME VAR_UNWANTED_REPLY_THRESHOLD VAR_LOG_TIME_ASCII
99 %token VAR_DOMAIN_INSECURE VAR_PYTHON VAR_PYTHON_SCRIPT VAR_VAL_SIG_SKEW_MIN
100 %token VAR_VAL_SIG_SKEW_MAX VAR_CACHE_MIN_TTL VAR_VAL_LOG_LEVEL
101 %token VAR_AUTO_TRUST_ANCHOR_FILE VAR_KEEP_MISSING VAR_ADD_HOLDDOWN
102 %token VAR_DEL_HOLDDOWN VAR_SO_RCVBUF VAR_EDNS_BUFFER_SIZE VAR_PREFETCH
103 %token VAR_PREFETCH_KEY VAR_SO_SNDBUF VAR_SO_REUSEPORT VAR_HARDEN_BELOW_NXDOMAIN
104 %token VAR_IGNORE_CD_FLAG VAR_LOG_QUERIES VAR_TCP_UPSTREAM VAR_SSL_UPSTREAM
105 %token VAR_SSL_SERVICE_KEY VAR_SSL_SERVICE_PEM VAR_SSL_PORT VAR_FORWARD_FIRST
106 %token VAR_STUB_FIRST VAR_MINIMAL_RESPONSES VAR_RRSET_ROUNDROBIN
107 %token VAR_MAX_UDP_SIZE VAR_DELAY_CLOSE VAR_UNBLOCK_LAN_ZONES
108 
109 %%
110 toplevelvars: /* empty */ | toplevelvars toplevelvar ;
111 toplevelvar: serverstart contents_server | stubstart contents_stub |
112 	forwardstart contents_forward | pythonstart contents_py |
113 	rcstart contents_rc
114 	;
115 
116 /* server: declaration */
117 serverstart: VAR_SERVER
118 	{
119 		OUTYY(("\nP(server:)\n"));
120 	}
121 	;
122 contents_server: contents_server content_server
123 	| ;
124 content_server: server_num_threads | server_verbosity | server_port |
125 	server_outgoing_range | server_do_ip4 |
126 	server_do_ip6 | server_do_udp | server_do_tcp |
127 	server_interface | server_chroot | server_username |
128 	server_directory | server_logfile | server_pidfile |
129 	server_msg_cache_size | server_msg_cache_slabs |
130 	server_num_queries_per_thread | server_rrset_cache_size |
131 	server_rrset_cache_slabs | server_outgoing_num_tcp |
132 	server_infra_host_ttl | server_infra_lame_ttl |
133 	server_infra_cache_slabs | server_infra_cache_numhosts |
134 	server_infra_cache_lame_size | server_target_fetch_policy |
135 	server_harden_short_bufsize | server_harden_large_queries |
136 	server_do_not_query_address | server_hide_identity |
137 	server_hide_version | server_identity | server_version |
138 	server_harden_glue | server_module_conf | server_trust_anchor_file |
139 	server_trust_anchor | server_val_override_date | server_bogus_ttl |
140 	server_val_clean_additional | server_val_permissive_mode |
141 	server_incoming_num_tcp | server_msg_buffer_size |
142 	server_key_cache_size | server_key_cache_slabs |
143 	server_trusted_keys_file | server_val_nsec3_keysize_iterations |
144 	server_use_syslog | server_outgoing_interface | server_root_hints |
145 	server_do_not_query_localhost | server_cache_max_ttl |
146 	server_harden_dnssec_stripped | server_access_control |
147 	server_local_zone | server_local_data | server_interface_automatic |
148 	server_statistics_interval | server_do_daemonize |
149 	server_use_caps_for_id | server_statistics_cumulative |
150 	server_outgoing_port_permit | server_outgoing_port_avoid |
151 	server_dlv_anchor_file | server_dlv_anchor | server_neg_cache_size |
152 	server_harden_referral_path | server_private_address |
153 	server_private_domain | server_extended_statistics |
154 	server_local_data_ptr | server_jostle_timeout |
155 	server_unwanted_reply_threshold | server_log_time_ascii |
156 	server_domain_insecure | server_val_sig_skew_min |
157 	server_val_sig_skew_max | server_cache_min_ttl | server_val_log_level |
158 	server_auto_trust_anchor_file | server_add_holddown |
159 	server_del_holddown | server_keep_missing | server_so_rcvbuf |
160 	server_edns_buffer_size | server_prefetch | server_prefetch_key |
161 	server_so_sndbuf | server_harden_below_nxdomain | server_ignore_cd_flag |
162 	server_log_queries | server_tcp_upstream | server_ssl_upstream |
163 	server_ssl_service_key | server_ssl_service_pem | server_ssl_port |
164 	server_minimal_responses | server_rrset_roundrobin | server_max_udp_size |
165 	server_so_reuseport | server_delay_close | server_unblock_lan_zones
166 	;
167 stubstart: VAR_STUB_ZONE
168 	{
169 		struct config_stub* s;
170 		OUTYY(("\nP(stub_zone:)\n"));
171 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
172 		if(s) {
173 			s->next = cfg_parser->cfg->stubs;
174 			cfg_parser->cfg->stubs = s;
175 		} else
176 			yyerror("out of memory");
177 	}
178 	;
179 contents_stub: contents_stub content_stub
180 	| ;
181 content_stub: stub_name | stub_host | stub_addr | stub_prime | stub_first
182 	;
183 forwardstart: VAR_FORWARD_ZONE
184 	{
185 		struct config_stub* s;
186 		OUTYY(("\nP(forward_zone:)\n"));
187 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
188 		if(s) {
189 			s->next = cfg_parser->cfg->forwards;
190 			cfg_parser->cfg->forwards = s;
191 		} else
192 			yyerror("out of memory");
193 	}
194 	;
195 contents_forward: contents_forward content_forward
196 	| ;
197 content_forward: forward_name | forward_host | forward_addr | forward_first
198 	;
199 server_num_threads: VAR_NUM_THREADS STRING_ARG
200 	{
201 		OUTYY(("P(server_num_threads:%s)\n", $2));
202 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
203 			yyerror("number expected");
204 		else cfg_parser->cfg->num_threads = atoi($2);
205 		free($2);
206 	}
207 	;
208 server_verbosity: VAR_VERBOSITY STRING_ARG
209 	{
210 		OUTYY(("P(server_verbosity:%s)\n", $2));
211 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
212 			yyerror("number expected");
213 		else cfg_parser->cfg->verbosity = atoi($2);
214 		free($2);
215 	}
216 	;
217 server_statistics_interval: VAR_STATISTICS_INTERVAL STRING_ARG
218 	{
219 		OUTYY(("P(server_statistics_interval:%s)\n", $2));
220 		if(strcmp($2, "") == 0 || strcmp($2, "0") == 0)
221 			cfg_parser->cfg->stat_interval = 0;
222 		else if(atoi($2) == 0)
223 			yyerror("number expected");
224 		else cfg_parser->cfg->stat_interval = atoi($2);
225 		free($2);
226 	}
227 	;
228 server_statistics_cumulative: VAR_STATISTICS_CUMULATIVE STRING_ARG
229 	{
230 		OUTYY(("P(server_statistics_cumulative:%s)\n", $2));
231 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
232 			yyerror("expected yes or no.");
233 		else cfg_parser->cfg->stat_cumulative = (strcmp($2, "yes")==0);
234 		free($2);
235 	}
236 	;
237 server_extended_statistics: VAR_EXTENDED_STATISTICS STRING_ARG
238 	{
239 		OUTYY(("P(server_extended_statistics:%s)\n", $2));
240 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
241 			yyerror("expected yes or no.");
242 		else cfg_parser->cfg->stat_extended = (strcmp($2, "yes")==0);
243 		free($2);
244 	}
245 	;
246 server_port: VAR_PORT STRING_ARG
247 	{
248 		OUTYY(("P(server_port:%s)\n", $2));
249 		if(atoi($2) == 0)
250 			yyerror("port number expected");
251 		else cfg_parser->cfg->port = atoi($2);
252 		free($2);
253 	}
254 	;
255 server_interface: VAR_INTERFACE STRING_ARG
256 	{
257 		OUTYY(("P(server_interface:%s)\n", $2));
258 		if(cfg_parser->cfg->num_ifs == 0)
259 			cfg_parser->cfg->ifs = calloc(1, sizeof(char*));
260 		else 	cfg_parser->cfg->ifs = realloc(cfg_parser->cfg->ifs,
261 				(cfg_parser->cfg->num_ifs+1)*sizeof(char*));
262 		if(!cfg_parser->cfg->ifs)
263 			yyerror("out of memory");
264 		else
265 			cfg_parser->cfg->ifs[cfg_parser->cfg->num_ifs++] = $2;
266 	}
267 	;
268 server_outgoing_interface: VAR_OUTGOING_INTERFACE STRING_ARG
269 	{
270 		OUTYY(("P(server_outgoing_interface:%s)\n", $2));
271 		if(cfg_parser->cfg->num_out_ifs == 0)
272 			cfg_parser->cfg->out_ifs = calloc(1, sizeof(char*));
273 		else 	cfg_parser->cfg->out_ifs = realloc(
274 			cfg_parser->cfg->out_ifs,
275 			(cfg_parser->cfg->num_out_ifs+1)*sizeof(char*));
276 		if(!cfg_parser->cfg->out_ifs)
277 			yyerror("out of memory");
278 		else
279 			cfg_parser->cfg->out_ifs[
280 				cfg_parser->cfg->num_out_ifs++] = $2;
281 	}
282 	;
283 server_outgoing_range: VAR_OUTGOING_RANGE STRING_ARG
284 	{
285 		OUTYY(("P(server_outgoing_range:%s)\n", $2));
286 		if(atoi($2) == 0)
287 			yyerror("number expected");
288 		else cfg_parser->cfg->outgoing_num_ports = atoi($2);
289 		free($2);
290 	}
291 	;
292 server_outgoing_port_permit: VAR_OUTGOING_PORT_PERMIT STRING_ARG
293 	{
294 		OUTYY(("P(server_outgoing_port_permit:%s)\n", $2));
295 		if(!cfg_mark_ports($2, 1,
296 			cfg_parser->cfg->outgoing_avail_ports, 65536))
297 			yyerror("port number or range (\"low-high\") expected");
298 		free($2);
299 	}
300 	;
301 server_outgoing_port_avoid: VAR_OUTGOING_PORT_AVOID STRING_ARG
302 	{
303 		OUTYY(("P(server_outgoing_port_avoid:%s)\n", $2));
304 		if(!cfg_mark_ports($2, 0,
305 			cfg_parser->cfg->outgoing_avail_ports, 65536))
306 			yyerror("port number or range (\"low-high\") expected");
307 		free($2);
308 	}
309 	;
310 server_outgoing_num_tcp: VAR_OUTGOING_NUM_TCP STRING_ARG
311 	{
312 		OUTYY(("P(server_outgoing_num_tcp:%s)\n", $2));
313 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
314 			yyerror("number expected");
315 		else cfg_parser->cfg->outgoing_num_tcp = atoi($2);
316 		free($2);
317 	}
318 	;
319 server_incoming_num_tcp: VAR_INCOMING_NUM_TCP STRING_ARG
320 	{
321 		OUTYY(("P(server_incoming_num_tcp:%s)\n", $2));
322 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
323 			yyerror("number expected");
324 		else cfg_parser->cfg->incoming_num_tcp = atoi($2);
325 		free($2);
326 	}
327 	;
328 server_interface_automatic: VAR_INTERFACE_AUTOMATIC STRING_ARG
329 	{
330 		OUTYY(("P(server_interface_automatic:%s)\n", $2));
331 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
332 			yyerror("expected yes or no.");
333 		else cfg_parser->cfg->if_automatic = (strcmp($2, "yes")==0);
334 		free($2);
335 	}
336 	;
337 server_do_ip4: VAR_DO_IP4 STRING_ARG
338 	{
339 		OUTYY(("P(server_do_ip4:%s)\n", $2));
340 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
341 			yyerror("expected yes or no.");
342 		else cfg_parser->cfg->do_ip4 = (strcmp($2, "yes")==0);
343 		free($2);
344 	}
345 	;
346 server_do_ip6: VAR_DO_IP6 STRING_ARG
347 	{
348 		OUTYY(("P(server_do_ip6:%s)\n", $2));
349 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
350 			yyerror("expected yes or no.");
351 		else cfg_parser->cfg->do_ip6 = (strcmp($2, "yes")==0);
352 		free($2);
353 	}
354 	;
355 server_do_udp: VAR_DO_UDP STRING_ARG
356 	{
357 		OUTYY(("P(server_do_udp:%s)\n", $2));
358 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
359 			yyerror("expected yes or no.");
360 		else cfg_parser->cfg->do_udp = (strcmp($2, "yes")==0);
361 		free($2);
362 	}
363 	;
364 server_do_tcp: VAR_DO_TCP STRING_ARG
365 	{
366 		OUTYY(("P(server_do_tcp:%s)\n", $2));
367 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
368 			yyerror("expected yes or no.");
369 		else cfg_parser->cfg->do_tcp = (strcmp($2, "yes")==0);
370 		free($2);
371 	}
372 	;
373 server_tcp_upstream: VAR_TCP_UPSTREAM STRING_ARG
374 	{
375 		OUTYY(("P(server_tcp_upstream:%s)\n", $2));
376 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
377 			yyerror("expected yes or no.");
378 		else cfg_parser->cfg->tcp_upstream = (strcmp($2, "yes")==0);
379 		free($2);
380 	}
381 	;
382 server_ssl_upstream: VAR_SSL_UPSTREAM STRING_ARG
383 	{
384 		OUTYY(("P(server_ssl_upstream:%s)\n", $2));
385 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
386 			yyerror("expected yes or no.");
387 		else cfg_parser->cfg->ssl_upstream = (strcmp($2, "yes")==0);
388 		free($2);
389 	}
390 	;
391 server_ssl_service_key: VAR_SSL_SERVICE_KEY STRING_ARG
392 	{
393 		OUTYY(("P(server_ssl_service_key:%s)\n", $2));
394 		free(cfg_parser->cfg->ssl_service_key);
395 		cfg_parser->cfg->ssl_service_key = $2;
396 	}
397 	;
398 server_ssl_service_pem: VAR_SSL_SERVICE_PEM STRING_ARG
399 	{
400 		OUTYY(("P(server_ssl_service_pem:%s)\n", $2));
401 		free(cfg_parser->cfg->ssl_service_pem);
402 		cfg_parser->cfg->ssl_service_pem = $2;
403 	}
404 	;
405 server_ssl_port: VAR_SSL_PORT STRING_ARG
406 	{
407 		OUTYY(("P(server_ssl_port:%s)\n", $2));
408 		if(atoi($2) == 0)
409 			yyerror("port number expected");
410 		else cfg_parser->cfg->ssl_port = atoi($2);
411 		free($2);
412 	}
413 	;
414 server_do_daemonize: VAR_DO_DAEMONIZE STRING_ARG
415 	{
416 		OUTYY(("P(server_do_daemonize:%s)\n", $2));
417 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
418 			yyerror("expected yes or no.");
419 		else cfg_parser->cfg->do_daemonize = (strcmp($2, "yes")==0);
420 		free($2);
421 	}
422 	;
423 server_use_syslog: VAR_USE_SYSLOG STRING_ARG
424 	{
425 		OUTYY(("P(server_use_syslog:%s)\n", $2));
426 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
427 			yyerror("expected yes or no.");
428 		else cfg_parser->cfg->use_syslog = (strcmp($2, "yes")==0);
429 #if !defined(HAVE_SYSLOG_H) && !defined(UB_ON_WINDOWS)
430 		if(strcmp($2, "yes") == 0)
431 			yyerror("no syslog services are available. "
432 				"(reconfigure and compile to add)");
433 #endif
434 		free($2);
435 	}
436 	;
437 server_log_time_ascii: VAR_LOG_TIME_ASCII STRING_ARG
438 	{
439 		OUTYY(("P(server_log_time_ascii:%s)\n", $2));
440 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
441 			yyerror("expected yes or no.");
442 		else cfg_parser->cfg->log_time_ascii = (strcmp($2, "yes")==0);
443 		free($2);
444 	}
445 	;
446 server_log_queries: VAR_LOG_QUERIES STRING_ARG
447 	{
448 		OUTYY(("P(server_log_queries:%s)\n", $2));
449 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
450 			yyerror("expected yes or no.");
451 		else cfg_parser->cfg->log_queries = (strcmp($2, "yes")==0);
452 		free($2);
453 	}
454 	;
455 server_chroot: VAR_CHROOT STRING_ARG
456 	{
457 		OUTYY(("P(server_chroot:%s)\n", $2));
458 		free(cfg_parser->cfg->chrootdir);
459 		cfg_parser->cfg->chrootdir = $2;
460 	}
461 	;
462 server_username: VAR_USERNAME STRING_ARG
463 	{
464 		OUTYY(("P(server_username:%s)\n", $2));
465 		free(cfg_parser->cfg->username);
466 		cfg_parser->cfg->username = $2;
467 	}
468 	;
469 server_directory: VAR_DIRECTORY STRING_ARG
470 	{
471 		OUTYY(("P(server_directory:%s)\n", $2));
472 		free(cfg_parser->cfg->directory);
473 		cfg_parser->cfg->directory = $2;
474 	}
475 	;
476 server_logfile: VAR_LOGFILE STRING_ARG
477 	{
478 		OUTYY(("P(server_logfile:%s)\n", $2));
479 		free(cfg_parser->cfg->logfile);
480 		cfg_parser->cfg->logfile = $2;
481 		cfg_parser->cfg->use_syslog = 0;
482 	}
483 	;
484 server_pidfile: VAR_PIDFILE STRING_ARG
485 	{
486 		OUTYY(("P(server_pidfile:%s)\n", $2));
487 		free(cfg_parser->cfg->pidfile);
488 		cfg_parser->cfg->pidfile = $2;
489 	}
490 	;
491 server_root_hints: VAR_ROOT_HINTS STRING_ARG
492 	{
493 		OUTYY(("P(server_root_hints:%s)\n", $2));
494 		if(!cfg_strlist_insert(&cfg_parser->cfg->root_hints, $2))
495 			yyerror("out of memory");
496 	}
497 	;
498 server_dlv_anchor_file: VAR_DLV_ANCHOR_FILE STRING_ARG
499 	{
500 		OUTYY(("P(server_dlv_anchor_file:%s)\n", $2));
501 		free(cfg_parser->cfg->dlv_anchor_file);
502 		cfg_parser->cfg->dlv_anchor_file = $2;
503 	}
504 	;
505 server_dlv_anchor: VAR_DLV_ANCHOR STRING_ARG
506 	{
507 		OUTYY(("P(server_dlv_anchor:%s)\n", $2));
508 		if(!cfg_strlist_insert(&cfg_parser->cfg->dlv_anchor_list, $2))
509 			yyerror("out of memory");
510 	}
511 	;
512 server_auto_trust_anchor_file: VAR_AUTO_TRUST_ANCHOR_FILE STRING_ARG
513 	{
514 		OUTYY(("P(server_auto_trust_anchor_file:%s)\n", $2));
515 		if(!cfg_strlist_insert(&cfg_parser->cfg->
516 			auto_trust_anchor_file_list, $2))
517 			yyerror("out of memory");
518 	}
519 	;
520 server_trust_anchor_file: VAR_TRUST_ANCHOR_FILE STRING_ARG
521 	{
522 		OUTYY(("P(server_trust_anchor_file:%s)\n", $2));
523 		if(!cfg_strlist_insert(&cfg_parser->cfg->
524 			trust_anchor_file_list, $2))
525 			yyerror("out of memory");
526 	}
527 	;
528 server_trusted_keys_file: VAR_TRUSTED_KEYS_FILE STRING_ARG
529 	{
530 		OUTYY(("P(server_trusted_keys_file:%s)\n", $2));
531 		if(!cfg_strlist_insert(&cfg_parser->cfg->
532 			trusted_keys_file_list, $2))
533 			yyerror("out of memory");
534 	}
535 	;
536 server_trust_anchor: VAR_TRUST_ANCHOR STRING_ARG
537 	{
538 		OUTYY(("P(server_trust_anchor:%s)\n", $2));
539 		if(!cfg_strlist_insert(&cfg_parser->cfg->trust_anchor_list, $2))
540 			yyerror("out of memory");
541 	}
542 	;
543 server_domain_insecure: VAR_DOMAIN_INSECURE STRING_ARG
544 	{
545 		OUTYY(("P(server_domain_insecure:%s)\n", $2));
546 		if(!cfg_strlist_insert(&cfg_parser->cfg->domain_insecure, $2))
547 			yyerror("out of memory");
548 	}
549 	;
550 server_hide_identity: VAR_HIDE_IDENTITY STRING_ARG
551 	{
552 		OUTYY(("P(server_hide_identity:%s)\n", $2));
553 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
554 			yyerror("expected yes or no.");
555 		else cfg_parser->cfg->hide_identity = (strcmp($2, "yes")==0);
556 		free($2);
557 	}
558 	;
559 server_hide_version: VAR_HIDE_VERSION STRING_ARG
560 	{
561 		OUTYY(("P(server_hide_version:%s)\n", $2));
562 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
563 			yyerror("expected yes or no.");
564 		else cfg_parser->cfg->hide_version = (strcmp($2, "yes")==0);
565 		free($2);
566 	}
567 	;
568 server_identity: VAR_IDENTITY STRING_ARG
569 	{
570 		OUTYY(("P(server_identity:%s)\n", $2));
571 		free(cfg_parser->cfg->identity);
572 		cfg_parser->cfg->identity = $2;
573 	}
574 	;
575 server_version: VAR_VERSION STRING_ARG
576 	{
577 		OUTYY(("P(server_version:%s)\n", $2));
578 		free(cfg_parser->cfg->version);
579 		cfg_parser->cfg->version = $2;
580 	}
581 	;
582 server_so_rcvbuf: VAR_SO_RCVBUF STRING_ARG
583 	{
584 		OUTYY(("P(server_so_rcvbuf:%s)\n", $2));
585 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_rcvbuf))
586 			yyerror("buffer size expected");
587 		free($2);
588 	}
589 	;
590 server_so_sndbuf: VAR_SO_SNDBUF STRING_ARG
591 	{
592 		OUTYY(("P(server_so_sndbuf:%s)\n", $2));
593 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_sndbuf))
594 			yyerror("buffer size expected");
595 		free($2);
596 	}
597 	;
598 server_so_reuseport: VAR_SO_REUSEPORT STRING_ARG
599     {
600         OUTYY(("P(server_so_reuseport:%s)\n", $2));
601         if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
602             yyerror("expected yes or no.");
603         else cfg_parser->cfg->so_reuseport =
604             (strcmp($2, "yes")==0);
605         free($2);
606     }
607     ;
608 server_edns_buffer_size: VAR_EDNS_BUFFER_SIZE STRING_ARG
609 	{
610 		OUTYY(("P(server_edns_buffer_size:%s)\n", $2));
611 		if(atoi($2) == 0)
612 			yyerror("number expected");
613 		else if (atoi($2) < 12)
614 			yyerror("edns buffer size too small");
615 		else if (atoi($2) > 65535)
616 			cfg_parser->cfg->edns_buffer_size = 65535;
617 		else cfg_parser->cfg->edns_buffer_size = atoi($2);
618 		free($2);
619 	}
620 	;
621 server_msg_buffer_size: VAR_MSG_BUFFER_SIZE STRING_ARG
622 	{
623 		OUTYY(("P(server_msg_buffer_size:%s)\n", $2));
624 		if(atoi($2) == 0)
625 			yyerror("number expected");
626 		else if (atoi($2) < 4096)
627 			yyerror("message buffer size too small (use 4096)");
628 		else cfg_parser->cfg->msg_buffer_size = atoi($2);
629 		free($2);
630 	}
631 	;
632 server_msg_cache_size: VAR_MSG_CACHE_SIZE STRING_ARG
633 	{
634 		OUTYY(("P(server_msg_cache_size:%s)\n", $2));
635 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->msg_cache_size))
636 			yyerror("memory size expected");
637 		free($2);
638 	}
639 	;
640 server_msg_cache_slabs: VAR_MSG_CACHE_SLABS STRING_ARG
641 	{
642 		OUTYY(("P(server_msg_cache_slabs:%s)\n", $2));
643 		if(atoi($2) == 0)
644 			yyerror("number expected");
645 		else {
646 			cfg_parser->cfg->msg_cache_slabs = atoi($2);
647 			if(!is_pow2(cfg_parser->cfg->msg_cache_slabs))
648 				yyerror("must be a power of 2");
649 		}
650 		free($2);
651 	}
652 	;
653 server_num_queries_per_thread: VAR_NUM_QUERIES_PER_THREAD STRING_ARG
654 	{
655 		OUTYY(("P(server_num_queries_per_thread:%s)\n", $2));
656 		if(atoi($2) == 0)
657 			yyerror("number expected");
658 		else cfg_parser->cfg->num_queries_per_thread = atoi($2);
659 		free($2);
660 	}
661 	;
662 server_jostle_timeout: VAR_JOSTLE_TIMEOUT STRING_ARG
663 	{
664 		OUTYY(("P(server_jostle_timeout:%s)\n", $2));
665 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
666 			yyerror("number expected");
667 		else cfg_parser->cfg->jostle_time = atoi($2);
668 		free($2);
669 	}
670 	;
671 server_delay_close: VAR_DELAY_CLOSE STRING_ARG
672 	{
673 		OUTYY(("P(server_delay_close:%s)\n", $2));
674 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
675 			yyerror("number expected");
676 		else cfg_parser->cfg->delay_close = atoi($2);
677 		free($2);
678 	}
679 	;
680 server_unblock_lan_zones: VAR_UNBLOCK_LAN_ZONES STRING_ARG
681 	{
682 		OUTYY(("P(server_unblock_lan_zones:%s)\n", $2));
683 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
684 			yyerror("expected yes or no.");
685 		else cfg_parser->cfg->unblock_lan_zones =
686 			(strcmp($2, "yes")==0);
687 		free($2);
688 	}
689 	;
690 server_rrset_cache_size: VAR_RRSET_CACHE_SIZE STRING_ARG
691 	{
692 		OUTYY(("P(server_rrset_cache_size:%s)\n", $2));
693 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->rrset_cache_size))
694 			yyerror("memory size expected");
695 		free($2);
696 	}
697 	;
698 server_rrset_cache_slabs: VAR_RRSET_CACHE_SLABS STRING_ARG
699 	{
700 		OUTYY(("P(server_rrset_cache_slabs:%s)\n", $2));
701 		if(atoi($2) == 0)
702 			yyerror("number expected");
703 		else {
704 			cfg_parser->cfg->rrset_cache_slabs = atoi($2);
705 			if(!is_pow2(cfg_parser->cfg->rrset_cache_slabs))
706 				yyerror("must be a power of 2");
707 		}
708 		free($2);
709 	}
710 	;
711 server_infra_host_ttl: VAR_INFRA_HOST_TTL STRING_ARG
712 	{
713 		OUTYY(("P(server_infra_host_ttl:%s)\n", $2));
714 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
715 			yyerror("number expected");
716 		else cfg_parser->cfg->host_ttl = atoi($2);
717 		free($2);
718 	}
719 	;
720 server_infra_lame_ttl: VAR_INFRA_LAME_TTL STRING_ARG
721 	{
722 		OUTYY(("P(server_infra_lame_ttl:%s)\n", $2));
723 		verbose(VERB_DETAIL, "ignored infra-lame-ttl: %s (option "
724 			"removed, use infra-host-ttl)", $2);
725 		free($2);
726 	}
727 	;
728 server_infra_cache_numhosts: VAR_INFRA_CACHE_NUMHOSTS STRING_ARG
729 	{
730 		OUTYY(("P(server_infra_cache_numhosts:%s)\n", $2));
731 		if(atoi($2) == 0)
732 			yyerror("number expected");
733 		else cfg_parser->cfg->infra_cache_numhosts = atoi($2);
734 		free($2);
735 	}
736 	;
737 server_infra_cache_lame_size: VAR_INFRA_CACHE_LAME_SIZE STRING_ARG
738 	{
739 		OUTYY(("P(server_infra_cache_lame_size:%s)\n", $2));
740 		verbose(VERB_DETAIL, "ignored infra-cache-lame-size: %s "
741 			"(option removed, use infra-cache-numhosts)", $2);
742 		free($2);
743 	}
744 	;
745 server_infra_cache_slabs: VAR_INFRA_CACHE_SLABS STRING_ARG
746 	{
747 		OUTYY(("P(server_infra_cache_slabs:%s)\n", $2));
748 		if(atoi($2) == 0)
749 			yyerror("number expected");
750 		else {
751 			cfg_parser->cfg->infra_cache_slabs = atoi($2);
752 			if(!is_pow2(cfg_parser->cfg->infra_cache_slabs))
753 				yyerror("must be a power of 2");
754 		}
755 		free($2);
756 	}
757 	;
758 server_target_fetch_policy: VAR_TARGET_FETCH_POLICY STRING_ARG
759 	{
760 		OUTYY(("P(server_target_fetch_policy:%s)\n", $2));
761 		free(cfg_parser->cfg->target_fetch_policy);
762 		cfg_parser->cfg->target_fetch_policy = $2;
763 	}
764 	;
765 server_harden_short_bufsize: VAR_HARDEN_SHORT_BUFSIZE STRING_ARG
766 	{
767 		OUTYY(("P(server_harden_short_bufsize:%s)\n", $2));
768 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
769 			yyerror("expected yes or no.");
770 		else cfg_parser->cfg->harden_short_bufsize =
771 			(strcmp($2, "yes")==0);
772 		free($2);
773 	}
774 	;
775 server_harden_large_queries: VAR_HARDEN_LARGE_QUERIES STRING_ARG
776 	{
777 		OUTYY(("P(server_harden_large_queries:%s)\n", $2));
778 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
779 			yyerror("expected yes or no.");
780 		else cfg_parser->cfg->harden_large_queries =
781 			(strcmp($2, "yes")==0);
782 		free($2);
783 	}
784 	;
785 server_harden_glue: VAR_HARDEN_GLUE STRING_ARG
786 	{
787 		OUTYY(("P(server_harden_glue:%s)\n", $2));
788 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
789 			yyerror("expected yes or no.");
790 		else cfg_parser->cfg->harden_glue =
791 			(strcmp($2, "yes")==0);
792 		free($2);
793 	}
794 	;
795 server_harden_dnssec_stripped: VAR_HARDEN_DNSSEC_STRIPPED STRING_ARG
796 	{
797 		OUTYY(("P(server_harden_dnssec_stripped:%s)\n", $2));
798 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
799 			yyerror("expected yes or no.");
800 		else cfg_parser->cfg->harden_dnssec_stripped =
801 			(strcmp($2, "yes")==0);
802 		free($2);
803 	}
804 	;
805 server_harden_below_nxdomain: VAR_HARDEN_BELOW_NXDOMAIN STRING_ARG
806 	{
807 		OUTYY(("P(server_harden_below_nxdomain:%s)\n", $2));
808 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
809 			yyerror("expected yes or no.");
810 		else cfg_parser->cfg->harden_below_nxdomain =
811 			(strcmp($2, "yes")==0);
812 		free($2);
813 	}
814 	;
815 server_harden_referral_path: VAR_HARDEN_REFERRAL_PATH STRING_ARG
816 	{
817 		OUTYY(("P(server_harden_referral_path:%s)\n", $2));
818 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
819 			yyerror("expected yes or no.");
820 		else cfg_parser->cfg->harden_referral_path =
821 			(strcmp($2, "yes")==0);
822 		free($2);
823 	}
824 	;
825 server_use_caps_for_id: VAR_USE_CAPS_FOR_ID STRING_ARG
826 	{
827 		OUTYY(("P(server_use_caps_for_id:%s)\n", $2));
828 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
829 			yyerror("expected yes or no.");
830 		else cfg_parser->cfg->use_caps_bits_for_id =
831 			(strcmp($2, "yes")==0);
832 		free($2);
833 	}
834 	;
835 server_private_address: VAR_PRIVATE_ADDRESS STRING_ARG
836 	{
837 		OUTYY(("P(server_private_address:%s)\n", $2));
838 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_address, $2))
839 			yyerror("out of memory");
840 	}
841 	;
842 server_private_domain: VAR_PRIVATE_DOMAIN STRING_ARG
843 	{
844 		OUTYY(("P(server_private_domain:%s)\n", $2));
845 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_domain, $2))
846 			yyerror("out of memory");
847 	}
848 	;
849 server_prefetch: VAR_PREFETCH STRING_ARG
850 	{
851 		OUTYY(("P(server_prefetch:%s)\n", $2));
852 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
853 			yyerror("expected yes or no.");
854 		else cfg_parser->cfg->prefetch = (strcmp($2, "yes")==0);
855 		free($2);
856 	}
857 	;
858 server_prefetch_key: VAR_PREFETCH_KEY STRING_ARG
859 	{
860 		OUTYY(("P(server_prefetch_key:%s)\n", $2));
861 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
862 			yyerror("expected yes or no.");
863 		else cfg_parser->cfg->prefetch_key = (strcmp($2, "yes")==0);
864 		free($2);
865 	}
866 	;
867 server_unwanted_reply_threshold: VAR_UNWANTED_REPLY_THRESHOLD STRING_ARG
868 	{
869 		OUTYY(("P(server_unwanted_reply_threshold:%s)\n", $2));
870 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
871 			yyerror("number expected");
872 		else cfg_parser->cfg->unwanted_threshold = atoi($2);
873 		free($2);
874 	}
875 	;
876 server_do_not_query_address: VAR_DO_NOT_QUERY_ADDRESS STRING_ARG
877 	{
878 		OUTYY(("P(server_do_not_query_address:%s)\n", $2));
879 		if(!cfg_strlist_insert(&cfg_parser->cfg->donotqueryaddrs, $2))
880 			yyerror("out of memory");
881 	}
882 	;
883 server_do_not_query_localhost: VAR_DO_NOT_QUERY_LOCALHOST STRING_ARG
884 	{
885 		OUTYY(("P(server_do_not_query_localhost:%s)\n", $2));
886 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
887 			yyerror("expected yes or no.");
888 		else cfg_parser->cfg->donotquery_localhost =
889 			(strcmp($2, "yes")==0);
890 		free($2);
891 	}
892 	;
893 server_access_control: VAR_ACCESS_CONTROL STRING_ARG STRING_ARG
894 	{
895 		OUTYY(("P(server_access_control:%s %s)\n", $2, $3));
896 		if(strcmp($3, "deny")!=0 && strcmp($3, "refuse")!=0 &&
897 			strcmp($3, "deny_non_local")!=0 &&
898 			strcmp($3, "refuse_non_local")!=0 &&
899 			strcmp($3, "allow")!=0 &&
900 			strcmp($3, "allow_snoop")!=0) {
901 			yyerror("expected deny, refuse, deny_non_local, "
902 				"refuse_non_local, allow or allow_snoop "
903 				"in access control action");
904 		} else {
905 			if(!cfg_str2list_insert(&cfg_parser->cfg->acls, $2, $3))
906 				fatal_exit("out of memory adding acl");
907 		}
908 	}
909 	;
910 server_module_conf: VAR_MODULE_CONF STRING_ARG
911 	{
912 		OUTYY(("P(server_module_conf:%s)\n", $2));
913 		free(cfg_parser->cfg->module_conf);
914 		cfg_parser->cfg->module_conf = $2;
915 	}
916 	;
917 server_val_override_date: VAR_VAL_OVERRIDE_DATE STRING_ARG
918 	{
919 		OUTYY(("P(server_val_override_date:%s)\n", $2));
920 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
921 			cfg_parser->cfg->val_date_override = 0;
922 		} else if(strlen($2) == 14) {
923 			cfg_parser->cfg->val_date_override =
924 				cfg_convert_timeval($2);
925 			if(!cfg_parser->cfg->val_date_override)
926 				yyerror("bad date/time specification");
927 		} else {
928 			if(atoi($2) == 0)
929 				yyerror("number expected");
930 			cfg_parser->cfg->val_date_override = atoi($2);
931 		}
932 		free($2);
933 	}
934 	;
935 server_val_sig_skew_min: VAR_VAL_SIG_SKEW_MIN STRING_ARG
936 	{
937 		OUTYY(("P(server_val_sig_skew_min:%s)\n", $2));
938 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
939 			cfg_parser->cfg->val_sig_skew_min = 0;
940 		} else {
941 			cfg_parser->cfg->val_sig_skew_min = atoi($2);
942 			if(!cfg_parser->cfg->val_sig_skew_min)
943 				yyerror("number expected");
944 		}
945 		free($2);
946 	}
947 	;
948 server_val_sig_skew_max: VAR_VAL_SIG_SKEW_MAX STRING_ARG
949 	{
950 		OUTYY(("P(server_val_sig_skew_max:%s)\n", $2));
951 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
952 			cfg_parser->cfg->val_sig_skew_max = 0;
953 		} else {
954 			cfg_parser->cfg->val_sig_skew_max = atoi($2);
955 			if(!cfg_parser->cfg->val_sig_skew_max)
956 				yyerror("number expected");
957 		}
958 		free($2);
959 	}
960 	;
961 server_cache_max_ttl: VAR_CACHE_MAX_TTL STRING_ARG
962 	{
963 		OUTYY(("P(server_cache_max_ttl:%s)\n", $2));
964 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
965 			yyerror("number expected");
966 		else cfg_parser->cfg->max_ttl = atoi($2);
967 		free($2);
968 	}
969 	;
970 server_cache_min_ttl: VAR_CACHE_MIN_TTL STRING_ARG
971 	{
972 		OUTYY(("P(server_cache_min_ttl:%s)\n", $2));
973 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
974 			yyerror("number expected");
975 		else cfg_parser->cfg->min_ttl = atoi($2);
976 		free($2);
977 	}
978 	;
979 server_bogus_ttl: VAR_BOGUS_TTL STRING_ARG
980 	{
981 		OUTYY(("P(server_bogus_ttl:%s)\n", $2));
982 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
983 			yyerror("number expected");
984 		else cfg_parser->cfg->bogus_ttl = atoi($2);
985 		free($2);
986 	}
987 	;
988 server_val_clean_additional: VAR_VAL_CLEAN_ADDITIONAL STRING_ARG
989 	{
990 		OUTYY(("P(server_val_clean_additional:%s)\n", $2));
991 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
992 			yyerror("expected yes or no.");
993 		else cfg_parser->cfg->val_clean_additional =
994 			(strcmp($2, "yes")==0);
995 		free($2);
996 	}
997 	;
998 server_val_permissive_mode: VAR_VAL_PERMISSIVE_MODE STRING_ARG
999 	{
1000 		OUTYY(("P(server_val_permissive_mode:%s)\n", $2));
1001 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1002 			yyerror("expected yes or no.");
1003 		else cfg_parser->cfg->val_permissive_mode =
1004 			(strcmp($2, "yes")==0);
1005 		free($2);
1006 	}
1007 	;
1008 server_ignore_cd_flag: VAR_IGNORE_CD_FLAG STRING_ARG
1009 	{
1010 		OUTYY(("P(server_ignore_cd_flag:%s)\n", $2));
1011 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1012 			yyerror("expected yes or no.");
1013 		else cfg_parser->cfg->ignore_cd = (strcmp($2, "yes")==0);
1014 		free($2);
1015 	}
1016 	;
1017 server_val_log_level: VAR_VAL_LOG_LEVEL STRING_ARG
1018 	{
1019 		OUTYY(("P(server_val_log_level:%s)\n", $2));
1020 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1021 			yyerror("number expected");
1022 		else cfg_parser->cfg->val_log_level = atoi($2);
1023 		free($2);
1024 	}
1025 	;
1026 server_val_nsec3_keysize_iterations: VAR_VAL_NSEC3_KEYSIZE_ITERATIONS STRING_ARG
1027 	{
1028 		OUTYY(("P(server_val_nsec3_keysize_iterations:%s)\n", $2));
1029 		free(cfg_parser->cfg->val_nsec3_key_iterations);
1030 		cfg_parser->cfg->val_nsec3_key_iterations = $2;
1031 	}
1032 	;
1033 server_add_holddown: VAR_ADD_HOLDDOWN STRING_ARG
1034 	{
1035 		OUTYY(("P(server_add_holddown:%s)\n", $2));
1036 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1037 			yyerror("number expected");
1038 		else cfg_parser->cfg->add_holddown = atoi($2);
1039 		free($2);
1040 	}
1041 	;
1042 server_del_holddown: VAR_DEL_HOLDDOWN STRING_ARG
1043 	{
1044 		OUTYY(("P(server_del_holddown:%s)\n", $2));
1045 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1046 			yyerror("number expected");
1047 		else cfg_parser->cfg->del_holddown = atoi($2);
1048 		free($2);
1049 	}
1050 	;
1051 server_keep_missing: VAR_KEEP_MISSING STRING_ARG
1052 	{
1053 		OUTYY(("P(server_keep_missing:%s)\n", $2));
1054 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1055 			yyerror("number expected");
1056 		else cfg_parser->cfg->keep_missing = atoi($2);
1057 		free($2);
1058 	}
1059 	;
1060 server_key_cache_size: VAR_KEY_CACHE_SIZE STRING_ARG
1061 	{
1062 		OUTYY(("P(server_key_cache_size:%s)\n", $2));
1063 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->key_cache_size))
1064 			yyerror("memory size expected");
1065 		free($2);
1066 	}
1067 	;
1068 server_key_cache_slabs: VAR_KEY_CACHE_SLABS STRING_ARG
1069 	{
1070 		OUTYY(("P(server_key_cache_slabs:%s)\n", $2));
1071 		if(atoi($2) == 0)
1072 			yyerror("number expected");
1073 		else {
1074 			cfg_parser->cfg->key_cache_slabs = atoi($2);
1075 			if(!is_pow2(cfg_parser->cfg->key_cache_slabs))
1076 				yyerror("must be a power of 2");
1077 		}
1078 		free($2);
1079 	}
1080 	;
1081 server_neg_cache_size: VAR_NEG_CACHE_SIZE STRING_ARG
1082 	{
1083 		OUTYY(("P(server_neg_cache_size:%s)\n", $2));
1084 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->neg_cache_size))
1085 			yyerror("memory size expected");
1086 		free($2);
1087 	}
1088 	;
1089 server_local_zone: VAR_LOCAL_ZONE STRING_ARG STRING_ARG
1090 	{
1091 		OUTYY(("P(server_local_zone:%s %s)\n", $2, $3));
1092 		if(strcmp($3, "static")!=0 && strcmp($3, "deny")!=0 &&
1093 		   strcmp($3, "refuse")!=0 && strcmp($3, "redirect")!=0 &&
1094 		   strcmp($3, "transparent")!=0 && strcmp($3, "nodefault")!=0
1095 		   && strcmp($3, "typetransparent")!=0)
1096 			yyerror("local-zone type: expected static, deny, "
1097 				"refuse, redirect, transparent, "
1098 				"typetransparent or nodefault");
1099 		else if(strcmp($3, "nodefault")==0) {
1100 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1101 				local_zones_nodefault, $2))
1102 				fatal_exit("out of memory adding local-zone");
1103 			free($3);
1104 		} else {
1105 			if(!cfg_str2list_insert(&cfg_parser->cfg->local_zones,
1106 				$2, $3))
1107 				fatal_exit("out of memory adding local-zone");
1108 		}
1109 	}
1110 	;
1111 server_local_data: VAR_LOCAL_DATA STRING_ARG
1112 	{
1113 		OUTYY(("P(server_local_data:%s)\n", $2));
1114 		if(!cfg_strlist_insert(&cfg_parser->cfg->local_data, $2))
1115 			fatal_exit("out of memory adding local-data");
1116 	}
1117 	;
1118 server_local_data_ptr: VAR_LOCAL_DATA_PTR STRING_ARG
1119 	{
1120 		char* ptr;
1121 		OUTYY(("P(server_local_data_ptr:%s)\n", $2));
1122 		ptr = cfg_ptr_reverse($2);
1123 		free($2);
1124 		if(ptr) {
1125 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1126 				local_data, ptr))
1127 				fatal_exit("out of memory adding local-data");
1128 		} else {
1129 			yyerror("local-data-ptr could not be reversed");
1130 		}
1131 	}
1132 	;
1133 server_minimal_responses: VAR_MINIMAL_RESPONSES STRING_ARG
1134 	{
1135 		OUTYY(("P(server_minimal_responses:%s)\n", $2));
1136 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1137 			yyerror("expected yes or no.");
1138 		else cfg_parser->cfg->minimal_responses =
1139 			(strcmp($2, "yes")==0);
1140 		free($2);
1141 	}
1142 	;
1143 server_rrset_roundrobin: VAR_RRSET_ROUNDROBIN STRING_ARG
1144 	{
1145 		OUTYY(("P(server_rrset_roundrobin:%s)\n", $2));
1146 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1147 			yyerror("expected yes or no.");
1148 		else cfg_parser->cfg->rrset_roundrobin =
1149 			(strcmp($2, "yes")==0);
1150 		free($2);
1151 	}
1152 	;
1153 server_max_udp_size: VAR_MAX_UDP_SIZE STRING_ARG
1154 	{
1155 		OUTYY(("P(server_max_udp_size:%s)\n", $2));
1156 		cfg_parser->cfg->max_udp_size = atoi($2);
1157 		free($2);
1158 	}
1159 	;
1160 stub_name: VAR_NAME STRING_ARG
1161 	{
1162 		OUTYY(("P(name:%s)\n", $2));
1163 		if(cfg_parser->cfg->stubs->name)
1164 			yyerror("stub name override, there must be one name "
1165 				"for one stub-zone");
1166 		free(cfg_parser->cfg->stubs->name);
1167 		cfg_parser->cfg->stubs->name = $2;
1168 	}
1169 	;
1170 stub_host: VAR_STUB_HOST STRING_ARG
1171 	{
1172 		OUTYY(("P(stub-host:%s)\n", $2));
1173 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->hosts, $2))
1174 			yyerror("out of memory");
1175 	}
1176 	;
1177 stub_addr: VAR_STUB_ADDR STRING_ARG
1178 	{
1179 		OUTYY(("P(stub-addr:%s)\n", $2));
1180 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->addrs, $2))
1181 			yyerror("out of memory");
1182 	}
1183 	;
1184 stub_first: VAR_STUB_FIRST STRING_ARG
1185 	{
1186 		OUTYY(("P(stub-first:%s)\n", $2));
1187 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1188 			yyerror("expected yes or no.");
1189 		else cfg_parser->cfg->stubs->isfirst=(strcmp($2, "yes")==0);
1190 		free($2);
1191 	}
1192 	;
1193 stub_prime: VAR_STUB_PRIME STRING_ARG
1194 	{
1195 		OUTYY(("P(stub-prime:%s)\n", $2));
1196 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1197 			yyerror("expected yes or no.");
1198 		else cfg_parser->cfg->stubs->isprime =
1199 			(strcmp($2, "yes")==0);
1200 		free($2);
1201 	}
1202 	;
1203 forward_name: VAR_NAME STRING_ARG
1204 	{
1205 		OUTYY(("P(name:%s)\n", $2));
1206 		if(cfg_parser->cfg->forwards->name)
1207 			yyerror("forward name override, there must be one "
1208 				"name for one forward-zone");
1209 		free(cfg_parser->cfg->forwards->name);
1210 		cfg_parser->cfg->forwards->name = $2;
1211 	}
1212 	;
1213 forward_host: VAR_FORWARD_HOST STRING_ARG
1214 	{
1215 		OUTYY(("P(forward-host:%s)\n", $2));
1216 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->hosts, $2))
1217 			yyerror("out of memory");
1218 	}
1219 	;
1220 forward_addr: VAR_FORWARD_ADDR STRING_ARG
1221 	{
1222 		OUTYY(("P(forward-addr:%s)\n", $2));
1223 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->addrs, $2))
1224 			yyerror("out of memory");
1225 	}
1226 	;
1227 forward_first: VAR_FORWARD_FIRST STRING_ARG
1228 	{
1229 		OUTYY(("P(forward-first:%s)\n", $2));
1230 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1231 			yyerror("expected yes or no.");
1232 		else cfg_parser->cfg->forwards->isfirst=(strcmp($2, "yes")==0);
1233 		free($2);
1234 	}
1235 	;
1236 rcstart: VAR_REMOTE_CONTROL
1237 	{
1238 		OUTYY(("\nP(remote-control:)\n"));
1239 	}
1240 	;
1241 contents_rc: contents_rc content_rc
1242 	| ;
1243 content_rc: rc_control_enable | rc_control_interface | rc_control_port |
1244 	rc_server_key_file | rc_server_cert_file | rc_control_key_file |
1245 	rc_control_cert_file
1246 	;
1247 rc_control_enable: VAR_CONTROL_ENABLE STRING_ARG
1248 	{
1249 		OUTYY(("P(control_enable:%s)\n", $2));
1250 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1251 			yyerror("expected yes or no.");
1252 		else cfg_parser->cfg->remote_control_enable =
1253 			(strcmp($2, "yes")==0);
1254 		free($2);
1255 	}
1256 	;
1257 rc_control_port: VAR_CONTROL_PORT STRING_ARG
1258 	{
1259 		OUTYY(("P(control_port:%s)\n", $2));
1260 		if(atoi($2) == 0)
1261 			yyerror("control port number expected");
1262 		else cfg_parser->cfg->control_port = atoi($2);
1263 		free($2);
1264 	}
1265 	;
1266 rc_control_interface: VAR_CONTROL_INTERFACE STRING_ARG
1267 	{
1268 		OUTYY(("P(control_interface:%s)\n", $2));
1269 		if(!cfg_strlist_insert(&cfg_parser->cfg->control_ifs, $2))
1270 			yyerror("out of memory");
1271 	}
1272 	;
1273 rc_server_key_file: VAR_SERVER_KEY_FILE STRING_ARG
1274 	{
1275 		OUTYY(("P(rc_server_key_file:%s)\n", $2));
1276 		free(cfg_parser->cfg->server_key_file);
1277 		cfg_parser->cfg->server_key_file = $2;
1278 	}
1279 	;
1280 rc_server_cert_file: VAR_SERVER_CERT_FILE STRING_ARG
1281 	{
1282 		OUTYY(("P(rc_server_cert_file:%s)\n", $2));
1283 		free(cfg_parser->cfg->server_cert_file);
1284 		cfg_parser->cfg->server_cert_file = $2;
1285 	}
1286 	;
1287 rc_control_key_file: VAR_CONTROL_KEY_FILE STRING_ARG
1288 	{
1289 		OUTYY(("P(rc_control_key_file:%s)\n", $2));
1290 		free(cfg_parser->cfg->control_key_file);
1291 		cfg_parser->cfg->control_key_file = $2;
1292 	}
1293 	;
1294 rc_control_cert_file: VAR_CONTROL_CERT_FILE STRING_ARG
1295 	{
1296 		OUTYY(("P(rc_control_cert_file:%s)\n", $2));
1297 		free(cfg_parser->cfg->control_cert_file);
1298 		cfg_parser->cfg->control_cert_file = $2;
1299 	}
1300 	;
1301 pythonstart: VAR_PYTHON
1302 	{
1303 		OUTYY(("\nP(python:)\n"));
1304 	}
1305 	;
1306 contents_py: contents_py content_py
1307 	| ;
1308 content_py: py_script
1309 	;
1310 py_script: VAR_PYTHON_SCRIPT STRING_ARG
1311 	{
1312 		OUTYY(("P(python-script:%s)\n", $2));
1313 		free(cfg_parser->cfg->python_script);
1314 		cfg_parser->cfg->python_script = $2;
1315 	}
1316 %%
1317 
1318 /* parse helper routines could be here */
1319