xref: /freebsd/contrib/unbound/util/configparser.y (revision db3cb3640f547c063293e9fdc4db69e9dc120951)
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/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_CONTROL_USE_CERT
99 %token VAR_EXTENDED_STATISTICS VAR_LOCAL_DATA_PTR VAR_JOSTLE_TIMEOUT
100 %token VAR_STUB_PRIME VAR_UNWANTED_REPLY_THRESHOLD VAR_LOG_TIME_ASCII
101 %token VAR_DOMAIN_INSECURE VAR_PYTHON VAR_PYTHON_SCRIPT VAR_VAL_SIG_SKEW_MIN
102 %token VAR_VAL_SIG_SKEW_MAX VAR_CACHE_MIN_TTL VAR_VAL_LOG_LEVEL
103 %token VAR_AUTO_TRUST_ANCHOR_FILE VAR_KEEP_MISSING VAR_ADD_HOLDDOWN
104 %token VAR_DEL_HOLDDOWN VAR_SO_RCVBUF VAR_EDNS_BUFFER_SIZE VAR_PREFETCH
105 %token VAR_PREFETCH_KEY VAR_SO_SNDBUF VAR_SO_REUSEPORT VAR_HARDEN_BELOW_NXDOMAIN
106 %token VAR_IGNORE_CD_FLAG VAR_LOG_QUERIES VAR_TCP_UPSTREAM VAR_SSL_UPSTREAM
107 %token VAR_SSL_SERVICE_KEY VAR_SSL_SERVICE_PEM VAR_SSL_PORT VAR_FORWARD_FIRST
108 %token VAR_STUB_FIRST VAR_MINIMAL_RESPONSES VAR_RRSET_ROUNDROBIN
109 %token VAR_MAX_UDP_SIZE VAR_DELAY_CLOSE VAR_UNBLOCK_LAN_ZONES
110 %token VAR_DNS64_PREFIX VAR_DNS64_SYNTHALL
111 %token VAR_DNSTAP VAR_DNSTAP_ENABLE VAR_DNSTAP_SOCKET_PATH
112 %token VAR_DNSTAP_SEND_IDENTITY VAR_DNSTAP_SEND_VERSION
113 %token VAR_DNSTAP_IDENTITY VAR_DNSTAP_VERSION
114 %token VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES
115 %token VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES
116 %token VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES
117 %token VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES
118 %token VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES
119 %token VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES
120 
121 %%
122 toplevelvars: /* empty */ | toplevelvars toplevelvar ;
123 toplevelvar: serverstart contents_server | stubstart contents_stub |
124 	forwardstart contents_forward | pythonstart contents_py |
125 	rcstart contents_rc | dtstart contents_dt
126 	;
127 
128 /* server: declaration */
129 serverstart: VAR_SERVER
130 	{
131 		OUTYY(("\nP(server:)\n"));
132 	}
133 	;
134 contents_server: contents_server content_server
135 	| ;
136 content_server: server_num_threads | server_verbosity | server_port |
137 	server_outgoing_range | server_do_ip4 |
138 	server_do_ip6 | server_do_udp | server_do_tcp |
139 	server_interface | server_chroot | server_username |
140 	server_directory | server_logfile | server_pidfile |
141 	server_msg_cache_size | server_msg_cache_slabs |
142 	server_num_queries_per_thread | server_rrset_cache_size |
143 	server_rrset_cache_slabs | server_outgoing_num_tcp |
144 	server_infra_host_ttl | server_infra_lame_ttl |
145 	server_infra_cache_slabs | server_infra_cache_numhosts |
146 	server_infra_cache_lame_size | server_target_fetch_policy |
147 	server_harden_short_bufsize | server_harden_large_queries |
148 	server_do_not_query_address | server_hide_identity |
149 	server_hide_version | server_identity | server_version |
150 	server_harden_glue | server_module_conf | server_trust_anchor_file |
151 	server_trust_anchor | server_val_override_date | server_bogus_ttl |
152 	server_val_clean_additional | server_val_permissive_mode |
153 	server_incoming_num_tcp | server_msg_buffer_size |
154 	server_key_cache_size | server_key_cache_slabs |
155 	server_trusted_keys_file | server_val_nsec3_keysize_iterations |
156 	server_use_syslog | server_outgoing_interface | server_root_hints |
157 	server_do_not_query_localhost | server_cache_max_ttl |
158 	server_harden_dnssec_stripped | server_access_control |
159 	server_local_zone | server_local_data | server_interface_automatic |
160 	server_statistics_interval | server_do_daemonize |
161 	server_use_caps_for_id | server_statistics_cumulative |
162 	server_outgoing_port_permit | server_outgoing_port_avoid |
163 	server_dlv_anchor_file | server_dlv_anchor | server_neg_cache_size |
164 	server_harden_referral_path | server_private_address |
165 	server_private_domain | server_extended_statistics |
166 	server_local_data_ptr | server_jostle_timeout |
167 	server_unwanted_reply_threshold | server_log_time_ascii |
168 	server_domain_insecure | server_val_sig_skew_min |
169 	server_val_sig_skew_max | server_cache_min_ttl | server_val_log_level |
170 	server_auto_trust_anchor_file | server_add_holddown |
171 	server_del_holddown | server_keep_missing | server_so_rcvbuf |
172 	server_edns_buffer_size | server_prefetch | server_prefetch_key |
173 	server_so_sndbuf | server_harden_below_nxdomain | server_ignore_cd_flag |
174 	server_log_queries | server_tcp_upstream | server_ssl_upstream |
175 	server_ssl_service_key | server_ssl_service_pem | server_ssl_port |
176 	server_minimal_responses | server_rrset_roundrobin | server_max_udp_size |
177 	server_so_reuseport | server_delay_close | server_unblock_lan_zones |
178 	server_dns64_prefix | server_dns64_synthall
179 	;
180 stubstart: VAR_STUB_ZONE
181 	{
182 		struct config_stub* s;
183 		OUTYY(("\nP(stub_zone:)\n"));
184 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
185 		if(s) {
186 			s->next = cfg_parser->cfg->stubs;
187 			cfg_parser->cfg->stubs = s;
188 		} else
189 			yyerror("out of memory");
190 	}
191 	;
192 contents_stub: contents_stub content_stub
193 	| ;
194 content_stub: stub_name | stub_host | stub_addr | stub_prime | stub_first
195 	;
196 forwardstart: VAR_FORWARD_ZONE
197 	{
198 		struct config_stub* s;
199 		OUTYY(("\nP(forward_zone:)\n"));
200 		s = (struct config_stub*)calloc(1, sizeof(struct config_stub));
201 		if(s) {
202 			s->next = cfg_parser->cfg->forwards;
203 			cfg_parser->cfg->forwards = s;
204 		} else
205 			yyerror("out of memory");
206 	}
207 	;
208 contents_forward: contents_forward content_forward
209 	| ;
210 content_forward: forward_name | forward_host | forward_addr | forward_first
211 	;
212 server_num_threads: VAR_NUM_THREADS STRING_ARG
213 	{
214 		OUTYY(("P(server_num_threads:%s)\n", $2));
215 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
216 			yyerror("number expected");
217 		else cfg_parser->cfg->num_threads = atoi($2);
218 		free($2);
219 	}
220 	;
221 server_verbosity: VAR_VERBOSITY STRING_ARG
222 	{
223 		OUTYY(("P(server_verbosity:%s)\n", $2));
224 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
225 			yyerror("number expected");
226 		else cfg_parser->cfg->verbosity = atoi($2);
227 		free($2);
228 	}
229 	;
230 server_statistics_interval: VAR_STATISTICS_INTERVAL STRING_ARG
231 	{
232 		OUTYY(("P(server_statistics_interval:%s)\n", $2));
233 		if(strcmp($2, "") == 0 || strcmp($2, "0") == 0)
234 			cfg_parser->cfg->stat_interval = 0;
235 		else if(atoi($2) == 0)
236 			yyerror("number expected");
237 		else cfg_parser->cfg->stat_interval = atoi($2);
238 		free($2);
239 	}
240 	;
241 server_statistics_cumulative: VAR_STATISTICS_CUMULATIVE STRING_ARG
242 	{
243 		OUTYY(("P(server_statistics_cumulative:%s)\n", $2));
244 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
245 			yyerror("expected yes or no.");
246 		else cfg_parser->cfg->stat_cumulative = (strcmp($2, "yes")==0);
247 		free($2);
248 	}
249 	;
250 server_extended_statistics: VAR_EXTENDED_STATISTICS STRING_ARG
251 	{
252 		OUTYY(("P(server_extended_statistics:%s)\n", $2));
253 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
254 			yyerror("expected yes or no.");
255 		else cfg_parser->cfg->stat_extended = (strcmp($2, "yes")==0);
256 		free($2);
257 	}
258 	;
259 server_port: VAR_PORT STRING_ARG
260 	{
261 		OUTYY(("P(server_port:%s)\n", $2));
262 		if(atoi($2) == 0)
263 			yyerror("port number expected");
264 		else cfg_parser->cfg->port = atoi($2);
265 		free($2);
266 	}
267 	;
268 server_interface: VAR_INTERFACE STRING_ARG
269 	{
270 		OUTYY(("P(server_interface:%s)\n", $2));
271 		if(cfg_parser->cfg->num_ifs == 0)
272 			cfg_parser->cfg->ifs = calloc(1, sizeof(char*));
273 		else 	cfg_parser->cfg->ifs = realloc(cfg_parser->cfg->ifs,
274 				(cfg_parser->cfg->num_ifs+1)*sizeof(char*));
275 		if(!cfg_parser->cfg->ifs)
276 			yyerror("out of memory");
277 		else
278 			cfg_parser->cfg->ifs[cfg_parser->cfg->num_ifs++] = $2;
279 	}
280 	;
281 server_outgoing_interface: VAR_OUTGOING_INTERFACE STRING_ARG
282 	{
283 		OUTYY(("P(server_outgoing_interface:%s)\n", $2));
284 		if(cfg_parser->cfg->num_out_ifs == 0)
285 			cfg_parser->cfg->out_ifs = calloc(1, sizeof(char*));
286 		else 	cfg_parser->cfg->out_ifs = realloc(
287 			cfg_parser->cfg->out_ifs,
288 			(cfg_parser->cfg->num_out_ifs+1)*sizeof(char*));
289 		if(!cfg_parser->cfg->out_ifs)
290 			yyerror("out of memory");
291 		else
292 			cfg_parser->cfg->out_ifs[
293 				cfg_parser->cfg->num_out_ifs++] = $2;
294 	}
295 	;
296 server_outgoing_range: VAR_OUTGOING_RANGE STRING_ARG
297 	{
298 		OUTYY(("P(server_outgoing_range:%s)\n", $2));
299 		if(atoi($2) == 0)
300 			yyerror("number expected");
301 		else cfg_parser->cfg->outgoing_num_ports = atoi($2);
302 		free($2);
303 	}
304 	;
305 server_outgoing_port_permit: VAR_OUTGOING_PORT_PERMIT STRING_ARG
306 	{
307 		OUTYY(("P(server_outgoing_port_permit:%s)\n", $2));
308 		if(!cfg_mark_ports($2, 1,
309 			cfg_parser->cfg->outgoing_avail_ports, 65536))
310 			yyerror("port number or range (\"low-high\") expected");
311 		free($2);
312 	}
313 	;
314 server_outgoing_port_avoid: VAR_OUTGOING_PORT_AVOID STRING_ARG
315 	{
316 		OUTYY(("P(server_outgoing_port_avoid:%s)\n", $2));
317 		if(!cfg_mark_ports($2, 0,
318 			cfg_parser->cfg->outgoing_avail_ports, 65536))
319 			yyerror("port number or range (\"low-high\") expected");
320 		free($2);
321 	}
322 	;
323 server_outgoing_num_tcp: VAR_OUTGOING_NUM_TCP STRING_ARG
324 	{
325 		OUTYY(("P(server_outgoing_num_tcp:%s)\n", $2));
326 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
327 			yyerror("number expected");
328 		else cfg_parser->cfg->outgoing_num_tcp = atoi($2);
329 		free($2);
330 	}
331 	;
332 server_incoming_num_tcp: VAR_INCOMING_NUM_TCP STRING_ARG
333 	{
334 		OUTYY(("P(server_incoming_num_tcp:%s)\n", $2));
335 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
336 			yyerror("number expected");
337 		else cfg_parser->cfg->incoming_num_tcp = atoi($2);
338 		free($2);
339 	}
340 	;
341 server_interface_automatic: VAR_INTERFACE_AUTOMATIC STRING_ARG
342 	{
343 		OUTYY(("P(server_interface_automatic:%s)\n", $2));
344 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
345 			yyerror("expected yes or no.");
346 		else cfg_parser->cfg->if_automatic = (strcmp($2, "yes")==0);
347 		free($2);
348 	}
349 	;
350 server_do_ip4: VAR_DO_IP4 STRING_ARG
351 	{
352 		OUTYY(("P(server_do_ip4:%s)\n", $2));
353 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
354 			yyerror("expected yes or no.");
355 		else cfg_parser->cfg->do_ip4 = (strcmp($2, "yes")==0);
356 		free($2);
357 	}
358 	;
359 server_do_ip6: VAR_DO_IP6 STRING_ARG
360 	{
361 		OUTYY(("P(server_do_ip6:%s)\n", $2));
362 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
363 			yyerror("expected yes or no.");
364 		else cfg_parser->cfg->do_ip6 = (strcmp($2, "yes")==0);
365 		free($2);
366 	}
367 	;
368 server_do_udp: VAR_DO_UDP STRING_ARG
369 	{
370 		OUTYY(("P(server_do_udp:%s)\n", $2));
371 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
372 			yyerror("expected yes or no.");
373 		else cfg_parser->cfg->do_udp = (strcmp($2, "yes")==0);
374 		free($2);
375 	}
376 	;
377 server_do_tcp: VAR_DO_TCP STRING_ARG
378 	{
379 		OUTYY(("P(server_do_tcp:%s)\n", $2));
380 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
381 			yyerror("expected yes or no.");
382 		else cfg_parser->cfg->do_tcp = (strcmp($2, "yes")==0);
383 		free($2);
384 	}
385 	;
386 server_tcp_upstream: VAR_TCP_UPSTREAM STRING_ARG
387 	{
388 		OUTYY(("P(server_tcp_upstream:%s)\n", $2));
389 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
390 			yyerror("expected yes or no.");
391 		else cfg_parser->cfg->tcp_upstream = (strcmp($2, "yes")==0);
392 		free($2);
393 	}
394 	;
395 server_ssl_upstream: VAR_SSL_UPSTREAM STRING_ARG
396 	{
397 		OUTYY(("P(server_ssl_upstream:%s)\n", $2));
398 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
399 			yyerror("expected yes or no.");
400 		else cfg_parser->cfg->ssl_upstream = (strcmp($2, "yes")==0);
401 		free($2);
402 	}
403 	;
404 server_ssl_service_key: VAR_SSL_SERVICE_KEY STRING_ARG
405 	{
406 		OUTYY(("P(server_ssl_service_key:%s)\n", $2));
407 		free(cfg_parser->cfg->ssl_service_key);
408 		cfg_parser->cfg->ssl_service_key = $2;
409 	}
410 	;
411 server_ssl_service_pem: VAR_SSL_SERVICE_PEM STRING_ARG
412 	{
413 		OUTYY(("P(server_ssl_service_pem:%s)\n", $2));
414 		free(cfg_parser->cfg->ssl_service_pem);
415 		cfg_parser->cfg->ssl_service_pem = $2;
416 	}
417 	;
418 server_ssl_port: VAR_SSL_PORT STRING_ARG
419 	{
420 		OUTYY(("P(server_ssl_port:%s)\n", $2));
421 		if(atoi($2) == 0)
422 			yyerror("port number expected");
423 		else cfg_parser->cfg->ssl_port = atoi($2);
424 		free($2);
425 	}
426 	;
427 server_do_daemonize: VAR_DO_DAEMONIZE STRING_ARG
428 	{
429 		OUTYY(("P(server_do_daemonize:%s)\n", $2));
430 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
431 			yyerror("expected yes or no.");
432 		else cfg_parser->cfg->do_daemonize = (strcmp($2, "yes")==0);
433 		free($2);
434 	}
435 	;
436 server_use_syslog: VAR_USE_SYSLOG STRING_ARG
437 	{
438 		OUTYY(("P(server_use_syslog:%s)\n", $2));
439 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
440 			yyerror("expected yes or no.");
441 		else cfg_parser->cfg->use_syslog = (strcmp($2, "yes")==0);
442 #if !defined(HAVE_SYSLOG_H) && !defined(UB_ON_WINDOWS)
443 		if(strcmp($2, "yes") == 0)
444 			yyerror("no syslog services are available. "
445 				"(reconfigure and compile to add)");
446 #endif
447 		free($2);
448 	}
449 	;
450 server_log_time_ascii: VAR_LOG_TIME_ASCII STRING_ARG
451 	{
452 		OUTYY(("P(server_log_time_ascii:%s)\n", $2));
453 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
454 			yyerror("expected yes or no.");
455 		else cfg_parser->cfg->log_time_ascii = (strcmp($2, "yes")==0);
456 		free($2);
457 	}
458 	;
459 server_log_queries: VAR_LOG_QUERIES STRING_ARG
460 	{
461 		OUTYY(("P(server_log_queries:%s)\n", $2));
462 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
463 			yyerror("expected yes or no.");
464 		else cfg_parser->cfg->log_queries = (strcmp($2, "yes")==0);
465 		free($2);
466 	}
467 	;
468 server_chroot: VAR_CHROOT STRING_ARG
469 	{
470 		OUTYY(("P(server_chroot:%s)\n", $2));
471 		free(cfg_parser->cfg->chrootdir);
472 		cfg_parser->cfg->chrootdir = $2;
473 	}
474 	;
475 server_username: VAR_USERNAME STRING_ARG
476 	{
477 		OUTYY(("P(server_username:%s)\n", $2));
478 		free(cfg_parser->cfg->username);
479 		cfg_parser->cfg->username = $2;
480 	}
481 	;
482 server_directory: VAR_DIRECTORY STRING_ARG
483 	{
484 		OUTYY(("P(server_directory:%s)\n", $2));
485 		free(cfg_parser->cfg->directory);
486 		cfg_parser->cfg->directory = $2;
487 	}
488 	;
489 server_logfile: VAR_LOGFILE STRING_ARG
490 	{
491 		OUTYY(("P(server_logfile:%s)\n", $2));
492 		free(cfg_parser->cfg->logfile);
493 		cfg_parser->cfg->logfile = $2;
494 		cfg_parser->cfg->use_syslog = 0;
495 	}
496 	;
497 server_pidfile: VAR_PIDFILE STRING_ARG
498 	{
499 		OUTYY(("P(server_pidfile:%s)\n", $2));
500 		free(cfg_parser->cfg->pidfile);
501 		cfg_parser->cfg->pidfile = $2;
502 	}
503 	;
504 server_root_hints: VAR_ROOT_HINTS STRING_ARG
505 	{
506 		OUTYY(("P(server_root_hints:%s)\n", $2));
507 		if(!cfg_strlist_insert(&cfg_parser->cfg->root_hints, $2))
508 			yyerror("out of memory");
509 	}
510 	;
511 server_dlv_anchor_file: VAR_DLV_ANCHOR_FILE STRING_ARG
512 	{
513 		OUTYY(("P(server_dlv_anchor_file:%s)\n", $2));
514 		free(cfg_parser->cfg->dlv_anchor_file);
515 		cfg_parser->cfg->dlv_anchor_file = $2;
516 	}
517 	;
518 server_dlv_anchor: VAR_DLV_ANCHOR STRING_ARG
519 	{
520 		OUTYY(("P(server_dlv_anchor:%s)\n", $2));
521 		if(!cfg_strlist_insert(&cfg_parser->cfg->dlv_anchor_list, $2))
522 			yyerror("out of memory");
523 	}
524 	;
525 server_auto_trust_anchor_file: VAR_AUTO_TRUST_ANCHOR_FILE STRING_ARG
526 	{
527 		OUTYY(("P(server_auto_trust_anchor_file:%s)\n", $2));
528 		if(!cfg_strlist_insert(&cfg_parser->cfg->
529 			auto_trust_anchor_file_list, $2))
530 			yyerror("out of memory");
531 	}
532 	;
533 server_trust_anchor_file: VAR_TRUST_ANCHOR_FILE STRING_ARG
534 	{
535 		OUTYY(("P(server_trust_anchor_file:%s)\n", $2));
536 		if(!cfg_strlist_insert(&cfg_parser->cfg->
537 			trust_anchor_file_list, $2))
538 			yyerror("out of memory");
539 	}
540 	;
541 server_trusted_keys_file: VAR_TRUSTED_KEYS_FILE STRING_ARG
542 	{
543 		OUTYY(("P(server_trusted_keys_file:%s)\n", $2));
544 		if(!cfg_strlist_insert(&cfg_parser->cfg->
545 			trusted_keys_file_list, $2))
546 			yyerror("out of memory");
547 	}
548 	;
549 server_trust_anchor: VAR_TRUST_ANCHOR STRING_ARG
550 	{
551 		OUTYY(("P(server_trust_anchor:%s)\n", $2));
552 		if(!cfg_strlist_insert(&cfg_parser->cfg->trust_anchor_list, $2))
553 			yyerror("out of memory");
554 	}
555 	;
556 server_domain_insecure: VAR_DOMAIN_INSECURE STRING_ARG
557 	{
558 		OUTYY(("P(server_domain_insecure:%s)\n", $2));
559 		if(!cfg_strlist_insert(&cfg_parser->cfg->domain_insecure, $2))
560 			yyerror("out of memory");
561 	}
562 	;
563 server_hide_identity: VAR_HIDE_IDENTITY STRING_ARG
564 	{
565 		OUTYY(("P(server_hide_identity:%s)\n", $2));
566 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
567 			yyerror("expected yes or no.");
568 		else cfg_parser->cfg->hide_identity = (strcmp($2, "yes")==0);
569 		free($2);
570 	}
571 	;
572 server_hide_version: VAR_HIDE_VERSION STRING_ARG
573 	{
574 		OUTYY(("P(server_hide_version:%s)\n", $2));
575 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
576 			yyerror("expected yes or no.");
577 		else cfg_parser->cfg->hide_version = (strcmp($2, "yes")==0);
578 		free($2);
579 	}
580 	;
581 server_identity: VAR_IDENTITY STRING_ARG
582 	{
583 		OUTYY(("P(server_identity:%s)\n", $2));
584 		free(cfg_parser->cfg->identity);
585 		cfg_parser->cfg->identity = $2;
586 	}
587 	;
588 server_version: VAR_VERSION STRING_ARG
589 	{
590 		OUTYY(("P(server_version:%s)\n", $2));
591 		free(cfg_parser->cfg->version);
592 		cfg_parser->cfg->version = $2;
593 	}
594 	;
595 server_so_rcvbuf: VAR_SO_RCVBUF STRING_ARG
596 	{
597 		OUTYY(("P(server_so_rcvbuf:%s)\n", $2));
598 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_rcvbuf))
599 			yyerror("buffer size expected");
600 		free($2);
601 	}
602 	;
603 server_so_sndbuf: VAR_SO_SNDBUF STRING_ARG
604 	{
605 		OUTYY(("P(server_so_sndbuf:%s)\n", $2));
606 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->so_sndbuf))
607 			yyerror("buffer size expected");
608 		free($2);
609 	}
610 	;
611 server_so_reuseport: VAR_SO_REUSEPORT STRING_ARG
612     {
613         OUTYY(("P(server_so_reuseport:%s)\n", $2));
614         if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
615             yyerror("expected yes or no.");
616         else cfg_parser->cfg->so_reuseport =
617             (strcmp($2, "yes")==0);
618         free($2);
619     }
620     ;
621 server_edns_buffer_size: VAR_EDNS_BUFFER_SIZE STRING_ARG
622 	{
623 		OUTYY(("P(server_edns_buffer_size:%s)\n", $2));
624 		if(atoi($2) == 0)
625 			yyerror("number expected");
626 		else if (atoi($2) < 12)
627 			yyerror("edns buffer size too small");
628 		else if (atoi($2) > 65535)
629 			cfg_parser->cfg->edns_buffer_size = 65535;
630 		else cfg_parser->cfg->edns_buffer_size = atoi($2);
631 		free($2);
632 	}
633 	;
634 server_msg_buffer_size: VAR_MSG_BUFFER_SIZE STRING_ARG
635 	{
636 		OUTYY(("P(server_msg_buffer_size:%s)\n", $2));
637 		if(atoi($2) == 0)
638 			yyerror("number expected");
639 		else if (atoi($2) < 4096)
640 			yyerror("message buffer size too small (use 4096)");
641 		else cfg_parser->cfg->msg_buffer_size = atoi($2);
642 		free($2);
643 	}
644 	;
645 server_msg_cache_size: VAR_MSG_CACHE_SIZE STRING_ARG
646 	{
647 		OUTYY(("P(server_msg_cache_size:%s)\n", $2));
648 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->msg_cache_size))
649 			yyerror("memory size expected");
650 		free($2);
651 	}
652 	;
653 server_msg_cache_slabs: VAR_MSG_CACHE_SLABS STRING_ARG
654 	{
655 		OUTYY(("P(server_msg_cache_slabs:%s)\n", $2));
656 		if(atoi($2) == 0)
657 			yyerror("number expected");
658 		else {
659 			cfg_parser->cfg->msg_cache_slabs = atoi($2);
660 			if(!is_pow2(cfg_parser->cfg->msg_cache_slabs))
661 				yyerror("must be a power of 2");
662 		}
663 		free($2);
664 	}
665 	;
666 server_num_queries_per_thread: VAR_NUM_QUERIES_PER_THREAD STRING_ARG
667 	{
668 		OUTYY(("P(server_num_queries_per_thread:%s)\n", $2));
669 		if(atoi($2) == 0)
670 			yyerror("number expected");
671 		else cfg_parser->cfg->num_queries_per_thread = atoi($2);
672 		free($2);
673 	}
674 	;
675 server_jostle_timeout: VAR_JOSTLE_TIMEOUT STRING_ARG
676 	{
677 		OUTYY(("P(server_jostle_timeout:%s)\n", $2));
678 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
679 			yyerror("number expected");
680 		else cfg_parser->cfg->jostle_time = atoi($2);
681 		free($2);
682 	}
683 	;
684 server_delay_close: VAR_DELAY_CLOSE STRING_ARG
685 	{
686 		OUTYY(("P(server_delay_close:%s)\n", $2));
687 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
688 			yyerror("number expected");
689 		else cfg_parser->cfg->delay_close = atoi($2);
690 		free($2);
691 	}
692 	;
693 server_unblock_lan_zones: VAR_UNBLOCK_LAN_ZONES STRING_ARG
694 	{
695 		OUTYY(("P(server_unblock_lan_zones:%s)\n", $2));
696 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
697 			yyerror("expected yes or no.");
698 		else cfg_parser->cfg->unblock_lan_zones =
699 			(strcmp($2, "yes")==0);
700 		free($2);
701 	}
702 	;
703 server_rrset_cache_size: VAR_RRSET_CACHE_SIZE STRING_ARG
704 	{
705 		OUTYY(("P(server_rrset_cache_size:%s)\n", $2));
706 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->rrset_cache_size))
707 			yyerror("memory size expected");
708 		free($2);
709 	}
710 	;
711 server_rrset_cache_slabs: VAR_RRSET_CACHE_SLABS STRING_ARG
712 	{
713 		OUTYY(("P(server_rrset_cache_slabs:%s)\n", $2));
714 		if(atoi($2) == 0)
715 			yyerror("number expected");
716 		else {
717 			cfg_parser->cfg->rrset_cache_slabs = atoi($2);
718 			if(!is_pow2(cfg_parser->cfg->rrset_cache_slabs))
719 				yyerror("must be a power of 2");
720 		}
721 		free($2);
722 	}
723 	;
724 server_infra_host_ttl: VAR_INFRA_HOST_TTL STRING_ARG
725 	{
726 		OUTYY(("P(server_infra_host_ttl:%s)\n", $2));
727 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
728 			yyerror("number expected");
729 		else cfg_parser->cfg->host_ttl = atoi($2);
730 		free($2);
731 	}
732 	;
733 server_infra_lame_ttl: VAR_INFRA_LAME_TTL STRING_ARG
734 	{
735 		OUTYY(("P(server_infra_lame_ttl:%s)\n", $2));
736 		verbose(VERB_DETAIL, "ignored infra-lame-ttl: %s (option "
737 			"removed, use infra-host-ttl)", $2);
738 		free($2);
739 	}
740 	;
741 server_infra_cache_numhosts: VAR_INFRA_CACHE_NUMHOSTS STRING_ARG
742 	{
743 		OUTYY(("P(server_infra_cache_numhosts:%s)\n", $2));
744 		if(atoi($2) == 0)
745 			yyerror("number expected");
746 		else cfg_parser->cfg->infra_cache_numhosts = atoi($2);
747 		free($2);
748 	}
749 	;
750 server_infra_cache_lame_size: VAR_INFRA_CACHE_LAME_SIZE STRING_ARG
751 	{
752 		OUTYY(("P(server_infra_cache_lame_size:%s)\n", $2));
753 		verbose(VERB_DETAIL, "ignored infra-cache-lame-size: %s "
754 			"(option removed, use infra-cache-numhosts)", $2);
755 		free($2);
756 	}
757 	;
758 server_infra_cache_slabs: VAR_INFRA_CACHE_SLABS STRING_ARG
759 	{
760 		OUTYY(("P(server_infra_cache_slabs:%s)\n", $2));
761 		if(atoi($2) == 0)
762 			yyerror("number expected");
763 		else {
764 			cfg_parser->cfg->infra_cache_slabs = atoi($2);
765 			if(!is_pow2(cfg_parser->cfg->infra_cache_slabs))
766 				yyerror("must be a power of 2");
767 		}
768 		free($2);
769 	}
770 	;
771 server_target_fetch_policy: VAR_TARGET_FETCH_POLICY STRING_ARG
772 	{
773 		OUTYY(("P(server_target_fetch_policy:%s)\n", $2));
774 		free(cfg_parser->cfg->target_fetch_policy);
775 		cfg_parser->cfg->target_fetch_policy = $2;
776 	}
777 	;
778 server_harden_short_bufsize: VAR_HARDEN_SHORT_BUFSIZE STRING_ARG
779 	{
780 		OUTYY(("P(server_harden_short_bufsize:%s)\n", $2));
781 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
782 			yyerror("expected yes or no.");
783 		else cfg_parser->cfg->harden_short_bufsize =
784 			(strcmp($2, "yes")==0);
785 		free($2);
786 	}
787 	;
788 server_harden_large_queries: VAR_HARDEN_LARGE_QUERIES STRING_ARG
789 	{
790 		OUTYY(("P(server_harden_large_queries:%s)\n", $2));
791 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
792 			yyerror("expected yes or no.");
793 		else cfg_parser->cfg->harden_large_queries =
794 			(strcmp($2, "yes")==0);
795 		free($2);
796 	}
797 	;
798 server_harden_glue: VAR_HARDEN_GLUE STRING_ARG
799 	{
800 		OUTYY(("P(server_harden_glue:%s)\n", $2));
801 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
802 			yyerror("expected yes or no.");
803 		else cfg_parser->cfg->harden_glue =
804 			(strcmp($2, "yes")==0);
805 		free($2);
806 	}
807 	;
808 server_harden_dnssec_stripped: VAR_HARDEN_DNSSEC_STRIPPED STRING_ARG
809 	{
810 		OUTYY(("P(server_harden_dnssec_stripped:%s)\n", $2));
811 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
812 			yyerror("expected yes or no.");
813 		else cfg_parser->cfg->harden_dnssec_stripped =
814 			(strcmp($2, "yes")==0);
815 		free($2);
816 	}
817 	;
818 server_harden_below_nxdomain: VAR_HARDEN_BELOW_NXDOMAIN STRING_ARG
819 	{
820 		OUTYY(("P(server_harden_below_nxdomain:%s)\n", $2));
821 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
822 			yyerror("expected yes or no.");
823 		else cfg_parser->cfg->harden_below_nxdomain =
824 			(strcmp($2, "yes")==0);
825 		free($2);
826 	}
827 	;
828 server_harden_referral_path: VAR_HARDEN_REFERRAL_PATH STRING_ARG
829 	{
830 		OUTYY(("P(server_harden_referral_path:%s)\n", $2));
831 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
832 			yyerror("expected yes or no.");
833 		else cfg_parser->cfg->harden_referral_path =
834 			(strcmp($2, "yes")==0);
835 		free($2);
836 	}
837 	;
838 server_use_caps_for_id: VAR_USE_CAPS_FOR_ID STRING_ARG
839 	{
840 		OUTYY(("P(server_use_caps_for_id:%s)\n", $2));
841 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
842 			yyerror("expected yes or no.");
843 		else cfg_parser->cfg->use_caps_bits_for_id =
844 			(strcmp($2, "yes")==0);
845 		free($2);
846 	}
847 	;
848 server_private_address: VAR_PRIVATE_ADDRESS STRING_ARG
849 	{
850 		OUTYY(("P(server_private_address:%s)\n", $2));
851 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_address, $2))
852 			yyerror("out of memory");
853 	}
854 	;
855 server_private_domain: VAR_PRIVATE_DOMAIN STRING_ARG
856 	{
857 		OUTYY(("P(server_private_domain:%s)\n", $2));
858 		if(!cfg_strlist_insert(&cfg_parser->cfg->private_domain, $2))
859 			yyerror("out of memory");
860 	}
861 	;
862 server_prefetch: VAR_PREFETCH STRING_ARG
863 	{
864 		OUTYY(("P(server_prefetch:%s)\n", $2));
865 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
866 			yyerror("expected yes or no.");
867 		else cfg_parser->cfg->prefetch = (strcmp($2, "yes")==0);
868 		free($2);
869 	}
870 	;
871 server_prefetch_key: VAR_PREFETCH_KEY STRING_ARG
872 	{
873 		OUTYY(("P(server_prefetch_key:%s)\n", $2));
874 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
875 			yyerror("expected yes or no.");
876 		else cfg_parser->cfg->prefetch_key = (strcmp($2, "yes")==0);
877 		free($2);
878 	}
879 	;
880 server_unwanted_reply_threshold: VAR_UNWANTED_REPLY_THRESHOLD STRING_ARG
881 	{
882 		OUTYY(("P(server_unwanted_reply_threshold:%s)\n", $2));
883 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
884 			yyerror("number expected");
885 		else cfg_parser->cfg->unwanted_threshold = atoi($2);
886 		free($2);
887 	}
888 	;
889 server_do_not_query_address: VAR_DO_NOT_QUERY_ADDRESS STRING_ARG
890 	{
891 		OUTYY(("P(server_do_not_query_address:%s)\n", $2));
892 		if(!cfg_strlist_insert(&cfg_parser->cfg->donotqueryaddrs, $2))
893 			yyerror("out of memory");
894 	}
895 	;
896 server_do_not_query_localhost: VAR_DO_NOT_QUERY_LOCALHOST STRING_ARG
897 	{
898 		OUTYY(("P(server_do_not_query_localhost:%s)\n", $2));
899 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
900 			yyerror("expected yes or no.");
901 		else cfg_parser->cfg->donotquery_localhost =
902 			(strcmp($2, "yes")==0);
903 		free($2);
904 	}
905 	;
906 server_access_control: VAR_ACCESS_CONTROL STRING_ARG STRING_ARG
907 	{
908 		OUTYY(("P(server_access_control:%s %s)\n", $2, $3));
909 		if(strcmp($3, "deny")!=0 && strcmp($3, "refuse")!=0 &&
910 			strcmp($3, "deny_non_local")!=0 &&
911 			strcmp($3, "refuse_non_local")!=0 &&
912 			strcmp($3, "allow")!=0 &&
913 			strcmp($3, "allow_snoop")!=0) {
914 			yyerror("expected deny, refuse, deny_non_local, "
915 				"refuse_non_local, allow or allow_snoop "
916 				"in access control action");
917 		} else {
918 			if(!cfg_str2list_insert(&cfg_parser->cfg->acls, $2, $3))
919 				fatal_exit("out of memory adding acl");
920 		}
921 	}
922 	;
923 server_module_conf: VAR_MODULE_CONF STRING_ARG
924 	{
925 		OUTYY(("P(server_module_conf:%s)\n", $2));
926 		free(cfg_parser->cfg->module_conf);
927 		cfg_parser->cfg->module_conf = $2;
928 	}
929 	;
930 server_val_override_date: VAR_VAL_OVERRIDE_DATE STRING_ARG
931 	{
932 		OUTYY(("P(server_val_override_date:%s)\n", $2));
933 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
934 			cfg_parser->cfg->val_date_override = 0;
935 		} else if(strlen($2) == 14) {
936 			cfg_parser->cfg->val_date_override =
937 				cfg_convert_timeval($2);
938 			if(!cfg_parser->cfg->val_date_override)
939 				yyerror("bad date/time specification");
940 		} else {
941 			if(atoi($2) == 0)
942 				yyerror("number expected");
943 			cfg_parser->cfg->val_date_override = atoi($2);
944 		}
945 		free($2);
946 	}
947 	;
948 server_val_sig_skew_min: VAR_VAL_SIG_SKEW_MIN STRING_ARG
949 	{
950 		OUTYY(("P(server_val_sig_skew_min:%s)\n", $2));
951 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
952 			cfg_parser->cfg->val_sig_skew_min = 0;
953 		} else {
954 			cfg_parser->cfg->val_sig_skew_min = atoi($2);
955 			if(!cfg_parser->cfg->val_sig_skew_min)
956 				yyerror("number expected");
957 		}
958 		free($2);
959 	}
960 	;
961 server_val_sig_skew_max: VAR_VAL_SIG_SKEW_MAX STRING_ARG
962 	{
963 		OUTYY(("P(server_val_sig_skew_max:%s)\n", $2));
964 		if(strlen($2) == 0 || strcmp($2, "0") == 0) {
965 			cfg_parser->cfg->val_sig_skew_max = 0;
966 		} else {
967 			cfg_parser->cfg->val_sig_skew_max = atoi($2);
968 			if(!cfg_parser->cfg->val_sig_skew_max)
969 				yyerror("number expected");
970 		}
971 		free($2);
972 	}
973 	;
974 server_cache_max_ttl: VAR_CACHE_MAX_TTL STRING_ARG
975 	{
976 		OUTYY(("P(server_cache_max_ttl:%s)\n", $2));
977 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
978 			yyerror("number expected");
979 		else cfg_parser->cfg->max_ttl = atoi($2);
980 		free($2);
981 	}
982 	;
983 server_cache_min_ttl: VAR_CACHE_MIN_TTL STRING_ARG
984 	{
985 		OUTYY(("P(server_cache_min_ttl:%s)\n", $2));
986 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
987 			yyerror("number expected");
988 		else cfg_parser->cfg->min_ttl = atoi($2);
989 		free($2);
990 	}
991 	;
992 server_bogus_ttl: VAR_BOGUS_TTL STRING_ARG
993 	{
994 		OUTYY(("P(server_bogus_ttl:%s)\n", $2));
995 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
996 			yyerror("number expected");
997 		else cfg_parser->cfg->bogus_ttl = atoi($2);
998 		free($2);
999 	}
1000 	;
1001 server_val_clean_additional: VAR_VAL_CLEAN_ADDITIONAL STRING_ARG
1002 	{
1003 		OUTYY(("P(server_val_clean_additional:%s)\n", $2));
1004 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1005 			yyerror("expected yes or no.");
1006 		else cfg_parser->cfg->val_clean_additional =
1007 			(strcmp($2, "yes")==0);
1008 		free($2);
1009 	}
1010 	;
1011 server_val_permissive_mode: VAR_VAL_PERMISSIVE_MODE STRING_ARG
1012 	{
1013 		OUTYY(("P(server_val_permissive_mode:%s)\n", $2));
1014 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1015 			yyerror("expected yes or no.");
1016 		else cfg_parser->cfg->val_permissive_mode =
1017 			(strcmp($2, "yes")==0);
1018 		free($2);
1019 	}
1020 	;
1021 server_ignore_cd_flag: VAR_IGNORE_CD_FLAG STRING_ARG
1022 	{
1023 		OUTYY(("P(server_ignore_cd_flag:%s)\n", $2));
1024 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1025 			yyerror("expected yes or no.");
1026 		else cfg_parser->cfg->ignore_cd = (strcmp($2, "yes")==0);
1027 		free($2);
1028 	}
1029 	;
1030 server_val_log_level: VAR_VAL_LOG_LEVEL STRING_ARG
1031 	{
1032 		OUTYY(("P(server_val_log_level:%s)\n", $2));
1033 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1034 			yyerror("number expected");
1035 		else cfg_parser->cfg->val_log_level = atoi($2);
1036 		free($2);
1037 	}
1038 	;
1039 server_val_nsec3_keysize_iterations: VAR_VAL_NSEC3_KEYSIZE_ITERATIONS STRING_ARG
1040 	{
1041 		OUTYY(("P(server_val_nsec3_keysize_iterations:%s)\n", $2));
1042 		free(cfg_parser->cfg->val_nsec3_key_iterations);
1043 		cfg_parser->cfg->val_nsec3_key_iterations = $2;
1044 	}
1045 	;
1046 server_add_holddown: VAR_ADD_HOLDDOWN STRING_ARG
1047 	{
1048 		OUTYY(("P(server_add_holddown:%s)\n", $2));
1049 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1050 			yyerror("number expected");
1051 		else cfg_parser->cfg->add_holddown = atoi($2);
1052 		free($2);
1053 	}
1054 	;
1055 server_del_holddown: VAR_DEL_HOLDDOWN STRING_ARG
1056 	{
1057 		OUTYY(("P(server_del_holddown:%s)\n", $2));
1058 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1059 			yyerror("number expected");
1060 		else cfg_parser->cfg->del_holddown = atoi($2);
1061 		free($2);
1062 	}
1063 	;
1064 server_keep_missing: VAR_KEEP_MISSING STRING_ARG
1065 	{
1066 		OUTYY(("P(server_keep_missing:%s)\n", $2));
1067 		if(atoi($2) == 0 && strcmp($2, "0") != 0)
1068 			yyerror("number expected");
1069 		else cfg_parser->cfg->keep_missing = atoi($2);
1070 		free($2);
1071 	}
1072 	;
1073 server_key_cache_size: VAR_KEY_CACHE_SIZE STRING_ARG
1074 	{
1075 		OUTYY(("P(server_key_cache_size:%s)\n", $2));
1076 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->key_cache_size))
1077 			yyerror("memory size expected");
1078 		free($2);
1079 	}
1080 	;
1081 server_key_cache_slabs: VAR_KEY_CACHE_SLABS STRING_ARG
1082 	{
1083 		OUTYY(("P(server_key_cache_slabs:%s)\n", $2));
1084 		if(atoi($2) == 0)
1085 			yyerror("number expected");
1086 		else {
1087 			cfg_parser->cfg->key_cache_slabs = atoi($2);
1088 			if(!is_pow2(cfg_parser->cfg->key_cache_slabs))
1089 				yyerror("must be a power of 2");
1090 		}
1091 		free($2);
1092 	}
1093 	;
1094 server_neg_cache_size: VAR_NEG_CACHE_SIZE STRING_ARG
1095 	{
1096 		OUTYY(("P(server_neg_cache_size:%s)\n", $2));
1097 		if(!cfg_parse_memsize($2, &cfg_parser->cfg->neg_cache_size))
1098 			yyerror("memory size expected");
1099 		free($2);
1100 	}
1101 	;
1102 server_local_zone: VAR_LOCAL_ZONE STRING_ARG STRING_ARG
1103 	{
1104 		OUTYY(("P(server_local_zone:%s %s)\n", $2, $3));
1105 		if(strcmp($3, "static")!=0 && strcmp($3, "deny")!=0 &&
1106 		   strcmp($3, "refuse")!=0 && strcmp($3, "redirect")!=0 &&
1107 		   strcmp($3, "transparent")!=0 && strcmp($3, "nodefault")!=0
1108 		   && strcmp($3, "typetransparent")!=0)
1109 			yyerror("local-zone type: expected static, deny, "
1110 				"refuse, redirect, transparent, "
1111 				"typetransparent or nodefault");
1112 		else if(strcmp($3, "nodefault")==0) {
1113 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1114 				local_zones_nodefault, $2))
1115 				fatal_exit("out of memory adding local-zone");
1116 			free($3);
1117 		} else {
1118 			if(!cfg_str2list_insert(&cfg_parser->cfg->local_zones,
1119 				$2, $3))
1120 				fatal_exit("out of memory adding local-zone");
1121 		}
1122 	}
1123 	;
1124 server_local_data: VAR_LOCAL_DATA STRING_ARG
1125 	{
1126 		OUTYY(("P(server_local_data:%s)\n", $2));
1127 		if(!cfg_strlist_insert(&cfg_parser->cfg->local_data, $2))
1128 			fatal_exit("out of memory adding local-data");
1129 	}
1130 	;
1131 server_local_data_ptr: VAR_LOCAL_DATA_PTR STRING_ARG
1132 	{
1133 		char* ptr;
1134 		OUTYY(("P(server_local_data_ptr:%s)\n", $2));
1135 		ptr = cfg_ptr_reverse($2);
1136 		free($2);
1137 		if(ptr) {
1138 			if(!cfg_strlist_insert(&cfg_parser->cfg->
1139 				local_data, ptr))
1140 				fatal_exit("out of memory adding local-data");
1141 		} else {
1142 			yyerror("local-data-ptr could not be reversed");
1143 		}
1144 	}
1145 	;
1146 server_minimal_responses: VAR_MINIMAL_RESPONSES STRING_ARG
1147 	{
1148 		OUTYY(("P(server_minimal_responses:%s)\n", $2));
1149 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1150 			yyerror("expected yes or no.");
1151 		else cfg_parser->cfg->minimal_responses =
1152 			(strcmp($2, "yes")==0);
1153 		free($2);
1154 	}
1155 	;
1156 server_rrset_roundrobin: VAR_RRSET_ROUNDROBIN STRING_ARG
1157 	{
1158 		OUTYY(("P(server_rrset_roundrobin:%s)\n", $2));
1159 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1160 			yyerror("expected yes or no.");
1161 		else cfg_parser->cfg->rrset_roundrobin =
1162 			(strcmp($2, "yes")==0);
1163 		free($2);
1164 	}
1165 	;
1166 server_max_udp_size: VAR_MAX_UDP_SIZE STRING_ARG
1167 	{
1168 		OUTYY(("P(server_max_udp_size:%s)\n", $2));
1169 		cfg_parser->cfg->max_udp_size = atoi($2);
1170 		free($2);
1171 	}
1172 	;
1173 server_dns64_prefix: VAR_DNS64_PREFIX STRING_ARG
1174 	{
1175 		OUTYY(("P(dns64_prefix:%s)\n", $2));
1176 		free(cfg_parser->cfg->dns64_prefix);
1177 		cfg_parser->cfg->dns64_prefix = $2;
1178 	}
1179 	;
1180 server_dns64_synthall: VAR_DNS64_SYNTHALL STRING_ARG
1181 	{
1182 		OUTYY(("P(server_dns64_synthall:%s)\n", $2));
1183 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1184 			yyerror("expected yes or no.");
1185 		else cfg_parser->cfg->dns64_synthall = (strcmp($2, "yes")==0);
1186 		free($2);
1187 	}
1188 	;
1189 stub_name: VAR_NAME STRING_ARG
1190 	{
1191 		OUTYY(("P(name:%s)\n", $2));
1192 		if(cfg_parser->cfg->stubs->name)
1193 			yyerror("stub name override, there must be one name "
1194 				"for one stub-zone");
1195 		free(cfg_parser->cfg->stubs->name);
1196 		cfg_parser->cfg->stubs->name = $2;
1197 	}
1198 	;
1199 stub_host: VAR_STUB_HOST STRING_ARG
1200 	{
1201 		OUTYY(("P(stub-host:%s)\n", $2));
1202 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->hosts, $2))
1203 			yyerror("out of memory");
1204 	}
1205 	;
1206 stub_addr: VAR_STUB_ADDR STRING_ARG
1207 	{
1208 		OUTYY(("P(stub-addr:%s)\n", $2));
1209 		if(!cfg_strlist_insert(&cfg_parser->cfg->stubs->addrs, $2))
1210 			yyerror("out of memory");
1211 	}
1212 	;
1213 stub_first: VAR_STUB_FIRST STRING_ARG
1214 	{
1215 		OUTYY(("P(stub-first:%s)\n", $2));
1216 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1217 			yyerror("expected yes or no.");
1218 		else cfg_parser->cfg->stubs->isfirst=(strcmp($2, "yes")==0);
1219 		free($2);
1220 	}
1221 	;
1222 stub_prime: VAR_STUB_PRIME STRING_ARG
1223 	{
1224 		OUTYY(("P(stub-prime:%s)\n", $2));
1225 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1226 			yyerror("expected yes or no.");
1227 		else cfg_parser->cfg->stubs->isprime =
1228 			(strcmp($2, "yes")==0);
1229 		free($2);
1230 	}
1231 	;
1232 forward_name: VAR_NAME STRING_ARG
1233 	{
1234 		OUTYY(("P(name:%s)\n", $2));
1235 		if(cfg_parser->cfg->forwards->name)
1236 			yyerror("forward name override, there must be one "
1237 				"name for one forward-zone");
1238 		free(cfg_parser->cfg->forwards->name);
1239 		cfg_parser->cfg->forwards->name = $2;
1240 	}
1241 	;
1242 forward_host: VAR_FORWARD_HOST STRING_ARG
1243 	{
1244 		OUTYY(("P(forward-host:%s)\n", $2));
1245 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->hosts, $2))
1246 			yyerror("out of memory");
1247 	}
1248 	;
1249 forward_addr: VAR_FORWARD_ADDR STRING_ARG
1250 	{
1251 		OUTYY(("P(forward-addr:%s)\n", $2));
1252 		if(!cfg_strlist_insert(&cfg_parser->cfg->forwards->addrs, $2))
1253 			yyerror("out of memory");
1254 	}
1255 	;
1256 forward_first: VAR_FORWARD_FIRST STRING_ARG
1257 	{
1258 		OUTYY(("P(forward-first:%s)\n", $2));
1259 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1260 			yyerror("expected yes or no.");
1261 		else cfg_parser->cfg->forwards->isfirst=(strcmp($2, "yes")==0);
1262 		free($2);
1263 	}
1264 	;
1265 rcstart: VAR_REMOTE_CONTROL
1266 	{
1267 		OUTYY(("\nP(remote-control:)\n"));
1268 	}
1269 	;
1270 contents_rc: contents_rc content_rc
1271 	| ;
1272 content_rc: rc_control_enable | rc_control_interface | rc_control_port |
1273 	rc_server_key_file | rc_server_cert_file | rc_control_key_file |
1274 	rc_control_cert_file | rc_control_use_cert
1275 	;
1276 rc_control_enable: VAR_CONTROL_ENABLE STRING_ARG
1277 	{
1278 		OUTYY(("P(control_enable:%s)\n", $2));
1279 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1280 			yyerror("expected yes or no.");
1281 		else cfg_parser->cfg->remote_control_enable =
1282 			(strcmp($2, "yes")==0);
1283 		free($2);
1284 	}
1285 	;
1286 rc_control_port: VAR_CONTROL_PORT STRING_ARG
1287 	{
1288 		OUTYY(("P(control_port:%s)\n", $2));
1289 		if(atoi($2) == 0)
1290 			yyerror("control port number expected");
1291 		else cfg_parser->cfg->control_port = atoi($2);
1292 		free($2);
1293 	}
1294 	;
1295 rc_control_interface: VAR_CONTROL_INTERFACE STRING_ARG
1296 	{
1297 		OUTYY(("P(control_interface:%s)\n", $2));
1298 		if(!cfg_strlist_insert(&cfg_parser->cfg->control_ifs, $2))
1299 			yyerror("out of memory");
1300 	}
1301 	;
1302 rc_control_use_cert: VAR_CONTROL_USE_CERT STRING_ARG
1303 	{
1304 		OUTYY(("P(control_use_cert:%s)\n", $2));
1305 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1306 			yyerror("expected yes or no.");
1307 		else cfg_parser->cfg->remote_control_use_cert =
1308 			(strcmp($2, "yes")==0);
1309 		free($2);
1310 	}
1311 	;
1312 rc_server_key_file: VAR_SERVER_KEY_FILE STRING_ARG
1313 	{
1314 		OUTYY(("P(rc_server_key_file:%s)\n", $2));
1315 		free(cfg_parser->cfg->server_key_file);
1316 		cfg_parser->cfg->server_key_file = $2;
1317 	}
1318 	;
1319 rc_server_cert_file: VAR_SERVER_CERT_FILE STRING_ARG
1320 	{
1321 		OUTYY(("P(rc_server_cert_file:%s)\n", $2));
1322 		free(cfg_parser->cfg->server_cert_file);
1323 		cfg_parser->cfg->server_cert_file = $2;
1324 	}
1325 	;
1326 rc_control_key_file: VAR_CONTROL_KEY_FILE STRING_ARG
1327 	{
1328 		OUTYY(("P(rc_control_key_file:%s)\n", $2));
1329 		free(cfg_parser->cfg->control_key_file);
1330 		cfg_parser->cfg->control_key_file = $2;
1331 	}
1332 	;
1333 rc_control_cert_file: VAR_CONTROL_CERT_FILE STRING_ARG
1334 	{
1335 		OUTYY(("P(rc_control_cert_file:%s)\n", $2));
1336 		free(cfg_parser->cfg->control_cert_file);
1337 		cfg_parser->cfg->control_cert_file = $2;
1338 	}
1339 	;
1340 dtstart: VAR_DNSTAP
1341 	{
1342 		OUTYY(("\nP(dnstap:)\n"));
1343 	}
1344 	;
1345 contents_dt: contents_dt content_dt
1346 	| ;
1347 content_dt: dt_dnstap_enable | dt_dnstap_socket_path |
1348 	dt_dnstap_send_identity | dt_dnstap_send_version |
1349 	dt_dnstap_identity | dt_dnstap_version |
1350 	dt_dnstap_log_resolver_query_messages |
1351 	dt_dnstap_log_resolver_response_messages |
1352 	dt_dnstap_log_client_query_messages |
1353 	dt_dnstap_log_client_response_messages |
1354 	dt_dnstap_log_forwarder_query_messages |
1355 	dt_dnstap_log_forwarder_response_messages
1356 	;
1357 dt_dnstap_enable: VAR_DNSTAP_ENABLE STRING_ARG
1358 	{
1359 		OUTYY(("P(dt_dnstap_enable:%s)\n", $2));
1360 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1361 			yyerror("expected yes or no.");
1362 		else cfg_parser->cfg->dnstap = (strcmp($2, "yes")==0);
1363 	}
1364 	;
1365 dt_dnstap_socket_path: VAR_DNSTAP_SOCKET_PATH STRING_ARG
1366 	{
1367 		OUTYY(("P(dt_dnstap_socket_path:%s)\n", $2));
1368 		free(cfg_parser->cfg->dnstap_socket_path);
1369 		cfg_parser->cfg->dnstap_socket_path = $2;
1370 	}
1371 	;
1372 dt_dnstap_send_identity: VAR_DNSTAP_SEND_IDENTITY STRING_ARG
1373 	{
1374 		OUTYY(("P(dt_dnstap_send_identity:%s)\n", $2));
1375 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1376 			yyerror("expected yes or no.");
1377 		else cfg_parser->cfg->dnstap_send_identity = (strcmp($2, "yes")==0);
1378 	}
1379 	;
1380 dt_dnstap_send_version: VAR_DNSTAP_SEND_VERSION STRING_ARG
1381 	{
1382 		OUTYY(("P(dt_dnstap_send_version:%s)\n", $2));
1383 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1384 			yyerror("expected yes or no.");
1385 		else cfg_parser->cfg->dnstap_send_version = (strcmp($2, "yes")==0);
1386 	}
1387 	;
1388 dt_dnstap_identity: VAR_DNSTAP_IDENTITY STRING_ARG
1389 	{
1390 		OUTYY(("P(dt_dnstap_identity:%s)\n", $2));
1391 		free(cfg_parser->cfg->dnstap_identity);
1392 		cfg_parser->cfg->dnstap_identity = $2;
1393 	}
1394 	;
1395 dt_dnstap_version: VAR_DNSTAP_VERSION STRING_ARG
1396 	{
1397 		OUTYY(("P(dt_dnstap_version:%s)\n", $2));
1398 		free(cfg_parser->cfg->dnstap_version);
1399 		cfg_parser->cfg->dnstap_version = $2;
1400 	}
1401 	;
1402 dt_dnstap_log_resolver_query_messages: VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES STRING_ARG
1403 	{
1404 		OUTYY(("P(dt_dnstap_log_resolver_query_messages:%s)\n", $2));
1405 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1406 			yyerror("expected yes or no.");
1407 		else cfg_parser->cfg->dnstap_log_resolver_query_messages =
1408 			(strcmp($2, "yes")==0);
1409 	}
1410 	;
1411 dt_dnstap_log_resolver_response_messages: VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES STRING_ARG
1412 	{
1413 		OUTYY(("P(dt_dnstap_log_resolver_response_messages:%s)\n", $2));
1414 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1415 			yyerror("expected yes or no.");
1416 		else cfg_parser->cfg->dnstap_log_resolver_response_messages =
1417 			(strcmp($2, "yes")==0);
1418 	}
1419 	;
1420 dt_dnstap_log_client_query_messages: VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES STRING_ARG
1421 	{
1422 		OUTYY(("P(dt_dnstap_log_client_query_messages:%s)\n", $2));
1423 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1424 			yyerror("expected yes or no.");
1425 		else cfg_parser->cfg->dnstap_log_client_query_messages =
1426 			(strcmp($2, "yes")==0);
1427 	}
1428 	;
1429 dt_dnstap_log_client_response_messages: VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES STRING_ARG
1430 	{
1431 		OUTYY(("P(dt_dnstap_log_client_response_messages:%s)\n", $2));
1432 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1433 			yyerror("expected yes or no.");
1434 		else cfg_parser->cfg->dnstap_log_client_response_messages =
1435 			(strcmp($2, "yes")==0);
1436 	}
1437 	;
1438 dt_dnstap_log_forwarder_query_messages: VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES STRING_ARG
1439 	{
1440 		OUTYY(("P(dt_dnstap_log_forwarder_query_messages:%s)\n", $2));
1441 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1442 			yyerror("expected yes or no.");
1443 		else cfg_parser->cfg->dnstap_log_forwarder_query_messages =
1444 			(strcmp($2, "yes")==0);
1445 	}
1446 	;
1447 dt_dnstap_log_forwarder_response_messages: VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES STRING_ARG
1448 	{
1449 		OUTYY(("P(dt_dnstap_log_forwarder_response_messages:%s)\n", $2));
1450 		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
1451 			yyerror("expected yes or no.");
1452 		else cfg_parser->cfg->dnstap_log_forwarder_response_messages =
1453 			(strcmp($2, "yes")==0);
1454 	}
1455 	;
1456 pythonstart: VAR_PYTHON
1457 	{
1458 		OUTYY(("\nP(python:)\n"));
1459 	}
1460 	;
1461 contents_py: contents_py content_py
1462 	| ;
1463 content_py: py_script
1464 	;
1465 py_script: VAR_PYTHON_SCRIPT STRING_ARG
1466 	{
1467 		OUTYY(("P(python-script:%s)\n", $2));
1468 		free(cfg_parser->cfg->python_script);
1469 		cfg_parser->cfg->python_script = $2;
1470 	}
1471 %%
1472 
1473 /* parse helper routines could be here */
1474