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_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 */