contrib/unbound/util/configparser.y

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