1 /* 2 * util/config_file.h - reads and stores the config file for unbound. 3 * 4 * Copyright (c) 2007, NLnet Labs. All rights reserved. 5 * 6 * This software is open source. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * Neither the name of the NLNET LABS nor the names of its contributors may 20 * be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /** 37 * \file 38 * 39 * This file contains functions for the config file. 40 */ 41 42 #ifndef UTIL_CONFIG_FILE_H 43 #define UTIL_CONFIG_FILE_H 44 struct config_stub; 45 struct config_strlist; 46 struct config_str2list; 47 struct module_qstate; 48 struct sock_list; 49 struct ub_packed_rrset_key; 50 51 /** 52 * The configuration options. 53 * Strings are malloced. 54 */ 55 struct config_file { 56 /** verbosity level as specified in the config file */ 57 int verbosity; 58 59 /** statistics interval (in seconds) */ 60 int stat_interval; 61 /** if false, statistics values are reset after printing them */ 62 int stat_cumulative; 63 /** if true, the statistics are kept in greater detail */ 64 int stat_extended; 65 66 /** number of threads to create */ 67 int num_threads; 68 69 /** port on which queries are answered. */ 70 int port; 71 /** do ip4 query support. */ 72 int do_ip4; 73 /** do ip6 query support. */ 74 int do_ip6; 75 /** do udp query support. */ 76 int do_udp; 77 /** do tcp query support. */ 78 int do_tcp; 79 /** tcp upstream queries (no UDP upstream queries) */ 80 int tcp_upstream; 81 82 /** private key file for dnstcp-ssl service (enabled if not NULL) */ 83 char* ssl_service_key; 84 /** public key file for dnstcp-ssl service */ 85 char* ssl_service_pem; 86 /** port on which to provide ssl service */ 87 int ssl_port; 88 /** if outgoing tcp connections use SSL */ 89 int ssl_upstream; 90 91 /** outgoing port range number of ports (per thread) */ 92 int outgoing_num_ports; 93 /** number of outgoing tcp buffers per (per thread) */ 94 size_t outgoing_num_tcp; 95 /** number of incoming tcp buffers per (per thread) */ 96 size_t incoming_num_tcp; 97 /** allowed udp port numbers, array with 0 if not allowed */ 98 int* outgoing_avail_ports; 99 100 /** EDNS buffer size to use */ 101 size_t edns_buffer_size; 102 /** number of bytes buffer size for DNS messages */ 103 size_t msg_buffer_size; 104 /** size of the message cache */ 105 size_t msg_cache_size; 106 /** slabs in the message cache. */ 107 size_t msg_cache_slabs; 108 /** number of queries every thread can service */ 109 size_t num_queries_per_thread; 110 /** number of msec to wait before items can be jostled out */ 111 size_t jostle_time; 112 /** size of the rrset cache */ 113 size_t rrset_cache_size; 114 /** slabs in the rrset cache */ 115 size_t rrset_cache_slabs; 116 /** host cache ttl in seconds */ 117 int host_ttl; 118 /** number of slabs in the infra host cache */ 119 size_t infra_cache_slabs; 120 /** max number of hosts in the infra cache */ 121 size_t infra_cache_numhosts; 122 /** delay close of udp-timeouted ports, if 0 no delayclose. in msec */ 123 int delay_close; 124 125 /** the target fetch policy for the iterator */ 126 char* target_fetch_policy; 127 128 /** automatic interface for incoming messages. Uses ipv6 remapping, 129 * and recvmsg/sendmsg ancillary data to detect interfaces, boolean */ 130 int if_automatic; 131 /** SO_RCVBUF size to set on port 53 UDP socket */ 132 size_t so_rcvbuf; 133 /** SO_SNDBUF size to set on port 53 UDP socket */ 134 size_t so_sndbuf; 135 /** SO_REUSEPORT requested on port 53 sockets */ 136 int so_reuseport; 137 138 /** number of interfaces to open. If 0 default all interfaces. */ 139 int num_ifs; 140 /** interface description strings (IP addresses) */ 141 char **ifs; 142 143 /** number of outgoing interfaces to open. 144 * If 0 default all interfaces. */ 145 int num_out_ifs; 146 /** outgoing interface description strings (IP addresses) */ 147 char **out_ifs; 148 149 /** the root hints */ 150 struct config_strlist* root_hints; 151 /** the stub definitions, linked list */ 152 struct config_stub* stubs; 153 /** the forward zone definitions, linked list */ 154 struct config_stub* forwards; 155 /** list of donotquery addresses, linked list */ 156 struct config_strlist* donotqueryaddrs; 157 /** list of access control entries, linked list */ 158 struct config_str2list* acls; 159 /** use default localhost donotqueryaddr entries */ 160 int donotquery_localhost; 161 162 /** harden against very small edns buffer sizes */ 163 int harden_short_bufsize; 164 /** harden against very large query sizes */ 165 int harden_large_queries; 166 /** harden against spoofed glue (out of zone data) */ 167 int harden_glue; 168 /** harden against receiving no DNSSEC data for trust anchor */ 169 int harden_dnssec_stripped; 170 /** harden against queries that fall under known nxdomain names */ 171 int harden_below_nxdomain; 172 /** harden the referral path, query for NS,A,AAAA and validate */ 173 int harden_referral_path; 174 /** use 0x20 bits in query as random ID bits */ 175 int use_caps_bits_for_id; 176 /** strip away these private addrs from answers, no DNS Rebinding */ 177 struct config_strlist* private_address; 178 /** allow domain (and subdomains) to use private address space */ 179 struct config_strlist* private_domain; 180 /** what threshold for unwanted action. */ 181 size_t unwanted_threshold; 182 /** the number of seconds maximal TTL used for RRsets and messages */ 183 int max_ttl; 184 /** the number of seconds minimum TTL used for RRsets and messages */ 185 int min_ttl; 186 /** if prefetching of messages should be performed. */ 187 int prefetch; 188 /** if prefetching of DNSKEYs should be performed. */ 189 int prefetch_key; 190 191 /** chrootdir, if not "" or chroot will be done */ 192 char* chrootdir; 193 /** username to change to, if not "". */ 194 char* username; 195 uid_t uid; 196 gid_t gid; 197 /** working directory */ 198 char* directory; 199 /** filename to log to. */ 200 char* logfile; 201 /** pidfile to write pid to. */ 202 char* pidfile; 203 204 /** should log messages be sent to syslogd */ 205 int use_syslog; 206 /** log timestamp in ascii UTC */ 207 int log_time_ascii; 208 /** log queries with one line per query */ 209 int log_queries; 210 211 /** do not report identity (id.server, hostname.bind) */ 212 int hide_identity; 213 /** do not report version (version.server, version.bind) */ 214 int hide_version; 215 /** identity, hostname is returned if "". */ 216 char* identity; 217 /** version, package version returned if "". */ 218 char* version; 219 220 /** the module configuration string */ 221 char* module_conf; 222 223 /** files with trusted DS and DNSKEYs in zonefile format, list */ 224 struct config_strlist* trust_anchor_file_list; 225 /** list of trustanchor keys, linked list */ 226 struct config_strlist* trust_anchor_list; 227 /** files with 5011 autotrust tracked keys */ 228 struct config_strlist* auto_trust_anchor_file_list; 229 /** files with trusted DNSKEYs in named.conf format, list */ 230 struct config_strlist* trusted_keys_file_list; 231 /** DLV anchor file */ 232 char* dlv_anchor_file; 233 /** DLV anchor inline */ 234 struct config_strlist* dlv_anchor_list; 235 /** insecure domain list */ 236 struct config_strlist* domain_insecure; 237 238 /** if not 0, this value is the validation date for RRSIGs */ 239 int32_t val_date_override; 240 /** the minimum for signature clock skew */ 241 int32_t val_sig_skew_min; 242 /** the maximum for signature clock skew */ 243 int32_t val_sig_skew_max; 244 /** this value sets the number of seconds before revalidating bogus */ 245 int bogus_ttl; 246 /** should validator clean additional section for secure msgs */ 247 int val_clean_additional; 248 /** log bogus messages by the validator */ 249 int val_log_level; 250 /** squelch val_log_level to log - this is library goes to callback */ 251 int val_log_squelch; 252 /** should validator allow bogus messages to go through */ 253 int val_permissive_mode; 254 /** ignore the CD flag in incoming queries and refuse them bogus data */ 255 int ignore_cd; 256 /** nsec3 maximum iterations per key size, string */ 257 char* val_nsec3_key_iterations; 258 /** autotrust add holddown time, in seconds */ 259 unsigned int add_holddown; 260 /** autotrust del holddown time, in seconds */ 261 unsigned int del_holddown; 262 /** autotrust keep_missing time, in seconds. 0 is forever. */ 263 unsigned int keep_missing; 264 265 /** size of the key cache */ 266 size_t key_cache_size; 267 /** slabs in the key cache. */ 268 size_t key_cache_slabs; 269 /** size of the neg cache */ 270 size_t neg_cache_size; 271 272 /** local zones config */ 273 struct config_str2list* local_zones; 274 /** local zones nodefault list */ 275 struct config_strlist* local_zones_nodefault; 276 /** local data RRs configged */ 277 struct config_strlist* local_data; 278 /** unblock lan zones (reverse lookups for 10/8 and so on) */ 279 int unblock_lan_zones; 280 281 /** remote control section. enable toggle. */ 282 int remote_control_enable; 283 /** the interfaces the remote control should listen on */ 284 struct config_strlist* control_ifs; 285 /** port number for the control port */ 286 int control_port; 287 /** use certificates for remote control */ 288 int remote_control_use_cert; 289 /** private key file for server */ 290 char* server_key_file; 291 /** certificate file for server */ 292 char* server_cert_file; 293 /** private key file for unbound-control */ 294 char* control_key_file; 295 /** certificate file for unbound-control */ 296 char* control_cert_file; 297 298 /** Python script file */ 299 char* python_script; 300 301 /** daemonize, i.e. fork into the background. */ 302 int do_daemonize; 303 304 /* minimal response when positive answer */ 305 int minimal_responses; 306 307 /* RRSet roundrobin */ 308 int rrset_roundrobin; 309 310 /* maximum UDP response size */ 311 size_t max_udp_size; 312 313 /* DNS64 prefix */ 314 char* dns64_prefix; 315 316 /* Synthetize all AAAA record despite the presence of an authoritative one */ 317 int dns64_synthall; 318 319 /** true to enable dnstap support */ 320 int dnstap; 321 /** dnstap socket path */ 322 char* dnstap_socket_path; 323 /** true to send "identity" via dnstap */ 324 int dnstap_send_identity; 325 /** true to send "version" via dnstap */ 326 int dnstap_send_version; 327 /** dnstap "identity", hostname is used if "". */ 328 char* dnstap_identity; 329 /** dnstap "version", package version is used if "". */ 330 char* dnstap_version; 331 332 /** true to log dnstap RESOLVER_QUERY message events */ 333 int dnstap_log_resolver_query_messages; 334 /** true to log dnstap RESOLVER_RESPONSE message events */ 335 int dnstap_log_resolver_response_messages; 336 /** true to log dnstap CLIENT_QUERY message events */ 337 int dnstap_log_client_query_messages; 338 /** true to log dnstap CLIENT_RESPONSE message events */ 339 int dnstap_log_client_response_messages; 340 /** true to log dnstap FORWARDER_QUERY message events */ 341 int dnstap_log_forwarder_query_messages; 342 /** true to log dnstap FORWARDER_RESPONSE message events */ 343 int dnstap_log_forwarder_response_messages; 344 }; 345 346 /** 347 * Stub config options 348 */ 349 struct config_stub { 350 /** next in list */ 351 struct config_stub* next; 352 /** domain name (in text) of the stub apex domain */ 353 char* name; 354 /** list of stub nameserver hosts (domain name) */ 355 struct config_strlist* hosts; 356 /** list of stub nameserver addresses (IP address) */ 357 struct config_strlist* addrs; 358 /** if stub-prime is set */ 359 int isprime; 360 /** if forward-first is set (failover to without if fails) */ 361 int isfirst; 362 }; 363 364 /** 365 * List of strings for config options 366 */ 367 struct config_strlist { 368 /** next item in list */ 369 struct config_strlist* next; 370 /** config option string */ 371 char* str; 372 }; 373 374 /** 375 * List of two strings for config options 376 */ 377 struct config_str2list { 378 /** next item in list */ 379 struct config_str2list* next; 380 /** first string */ 381 char* str; 382 /** second string */ 383 char* str2; 384 }; 385 386 /** List head for strlist processing, used for append operation. */ 387 struct config_strlist_head { 388 /** first in list of text items */ 389 struct config_strlist* first; 390 /** last in list of text items */ 391 struct config_strlist* last; 392 }; 393 394 /** 395 * Create config file structure. Filled with default values. 396 * @return: the new structure or NULL on memory error. 397 */ 398 struct config_file* config_create(void); 399 400 /** 401 * Create config file structure for library use. Filled with default values. 402 * @return: the new structure or NULL on memory error. 403 */ 404 struct config_file* config_create_forlib(void); 405 406 /** 407 * Read the config file from the specified filename. 408 * @param config: where options are stored into, must be freshly created. 409 * @param filename: name of configfile. If NULL nothing is done. 410 * @param chroot: if not NULL, the chroot dir currently in use (for include). 411 * @return: false on error. In that case errno is set, ENOENT means 412 * file not found. 413 */ 414 int config_read(struct config_file* config, const char* filename, 415 const char* chroot); 416 417 /** 418 * Destroy the config file structure. 419 * @param config: to delete. 420 */ 421 void config_delete(struct config_file* config); 422 423 /** 424 * Apply config to global constants; this routine is called in single thread. 425 * @param config: to apply. Side effect: global constants change. 426 */ 427 void config_apply(struct config_file* config); 428 429 /** 430 * Set the given keyword to the given value. 431 * @param config: where to store config 432 * @param option: option name, including the ':' character. 433 * @param value: value, this string is copied if needed, or parsed. 434 * The caller owns the value string. 435 * @return 0 on error (malloc or syntax error). 436 */ 437 int config_set_option(struct config_file* config, const char* option, 438 const char* value); 439 440 /** 441 * Call print routine for the given option. 442 * @param cfg: config. 443 * @param opt: option name without trailing :. 444 * This is different from config_set_option. 445 * @param func: print func, called as (str, arg) for every data element. 446 * @param arg: user argument for print func. 447 * @return false if the option name is not supported (syntax error). 448 */ 449 int config_get_option(struct config_file* cfg, const char* opt, 450 void (*func)(char*,void*), void* arg); 451 452 /** 453 * Get an option and return strlist 454 * @param cfg: config file 455 * @param opt: option name. 456 * @param list: list is returned here. malloced, caller must free it. 457 * @return 0=OK, 1=syntax error, 2=malloc failed. 458 */ 459 int config_get_option_list(struct config_file* cfg, const char* opt, 460 struct config_strlist** list); 461 462 /** 463 * Get an option and collate results into string 464 * @param cfg: config file 465 * @param opt: option name. 466 * @param str: string. malloced, caller must free it. 467 * @return 0=OK, 1=syntax error, 2=malloc failed. 468 */ 469 int config_get_option_collate(struct config_file* cfg, const char* opt, 470 char** str); 471 472 /** 473 * function to print to a file, use as func with config_get_option. 474 * @param line: text to print. \n appended. 475 * @param arg: pass a FILE*, like stdout. 476 */ 477 void config_print_func(char* line, void* arg); 478 479 /** 480 * function to collate the text strings into a strlist_head. 481 * @param line: text to append. 482 * @param arg: pass a strlist_head structure. zeroed on start. 483 */ 484 void config_collate_func(char* line, void* arg); 485 486 /** 487 * take a strlist_head list and return a malloc string. separated with newline. 488 * @param list: strlist first to collate. zeroes return "". 489 * @return NULL on malloc failure. Or if malloc failure happened in strlist. 490 */ 491 char* config_collate_cat(struct config_strlist* list); 492 493 /** 494 * Append text at end of list. 495 * @param list: list head. zeroed at start. 496 * @param item: new item. malloced by caller. if NULL the insertion fails. 497 * @return true on success. 498 */ 499 int cfg_strlist_append(struct config_strlist_head* list, char* item); 500 501 /** 502 * Insert string into strlist. 503 * @param head: pointer to strlist head variable. 504 * @param item: new item. malloced by caller. If NULL the insertion fails. 505 * @return: true on success. 506 */ 507 int cfg_strlist_insert(struct config_strlist** head, char* item); 508 509 /** 510 * Insert string into str2list. 511 * @param head: pointer to str2list head variable. 512 * @param item: new item. malloced by caller. If NULL the insertion fails. 513 * @param i2: 2nd string, malloced by caller. If NULL the insertion fails. 514 * @return: true on success. 515 */ 516 int cfg_str2list_insert(struct config_str2list** head, char* item, char* i2); 517 518 /** 519 * Delete items in config string list. 520 * @param list: list. 521 */ 522 void config_delstrlist(struct config_strlist* list); 523 524 /** 525 * Delete items in config double string list. 526 * @param list: list. 527 */ 528 void config_deldblstrlist(struct config_str2list* list); 529 530 /** 531 * Delete items in config stub list. 532 * @param list: list. 533 */ 534 void config_delstubs(struct config_stub* list); 535 536 /** 537 * Convert 14digit to time value 538 * @param str: string of 14 digits 539 * @return time value or 0 for error. 540 */ 541 time_t cfg_convert_timeval(const char* str); 542 543 /** 544 * Count number of values in the string. 545 * format ::= (sp num)+ sp 546 * num ::= [-](0-9)+ 547 * sp ::= (space|tab)* 548 * 549 * @param str: string 550 * @return: 0 on parse error, or empty string, else 551 * number of integer values in the string. 552 */ 553 int cfg_count_numbers(const char* str); 554 555 /** 556 * Convert a 'nice' memory or file size into a bytecount 557 * From '100k' to 102400. and so on. Understands kKmMgG. 558 * k=1024, m=1024*1024, g=1024*1024*1024. 559 * @param str: string 560 * @param res: result is stored here, size in bytes. 561 * @return: true if parsed correctly, or 0 on a parse error (and an error 562 * is logged). 563 */ 564 int cfg_parse_memsize(const char* str, size_t* res); 565 566 /** 567 * Parse local-zone directive into two strings and register it in the config. 568 * @param cfg: to put it in. 569 * @param val: argument strings to local-zone, "example.com nodefault". 570 * @return: false on failure 571 */ 572 int cfg_parse_local_zone(struct config_file* cfg, const char* val); 573 574 /** 575 * Mark "number" or "low-high" as available or not in ports array. 576 * @param str: string in input 577 * @param allow: give true if this range is permitted. 578 * @param avail: the array from cfg. 579 * @param num: size of the array (65536). 580 * @return: true if parsed correctly, or 0 on a parse error (and an error 581 * is logged). 582 */ 583 int cfg_mark_ports(const char* str, int allow, int* avail, int num); 584 585 /** 586 * Get a condensed list of ports returned. allocated. 587 * @param cfg: config file. 588 * @param avail: the available ports array is returned here. 589 * @return: number of ports in array or 0 on error. 590 */ 591 int cfg_condense_ports(struct config_file* cfg, int** avail); 592 593 /** 594 * Scan ports available 595 * @param avail: the array from cfg. 596 * @param num: size of the array (65536). 597 * @return the number of ports available for use. 598 */ 599 int cfg_scan_ports(int* avail, int num); 600 601 /** 602 * Convert a filename to full pathname in original filesys 603 * @param fname: the path name to convert. 604 * Must not be null or empty. 605 * @param cfg: config struct for chroot and chdir (if set). 606 * @param use_chdir: if false, only chroot is applied. 607 * @return pointer to malloced buffer which is: [chroot][chdir]fname 608 * or NULL on malloc failure. 609 */ 610 char* fname_after_chroot(const char* fname, struct config_file* cfg, 611 int use_chdir); 612 613 /** 614 * Convert a ptr shorthand into a full reverse-notation PTR record. 615 * @param str: input string, "IP name" 616 * @return: malloced string "reversed-ip-name PTR name" 617 */ 618 char* cfg_ptr_reverse(char* str); 619 620 /** 621 * Append text to the error info for validation. 622 * @param qstate: query state. 623 * @param str: copied into query region and appended. 624 * Failures to allocate are logged. 625 */ 626 void errinf(struct module_qstate* qstate, const char* str); 627 628 /** 629 * Append text to error info: from 1.2.3.4 630 * @param qstate: query state. 631 * @param origin: sock list with origin of trouble. 632 * Every element added. 633 * If NULL: nothing is added. 634 * if 0len element: 'from cache' is added. 635 */ 636 void errinf_origin(struct module_qstate* qstate, struct sock_list *origin); 637 638 /** 639 * Append text to error info: for RRset name type class 640 * @param qstate: query state. 641 * @param rr: rrset_key. 642 */ 643 void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr); 644 645 /** 646 * Append text to error info: str dname 647 * @param qstate: query state. 648 * @param str: explanation string 649 * @param dname: the dname. 650 */ 651 void errinf_dname(struct module_qstate* qstate, const char* str, 652 uint8_t* dname); 653 654 /** 655 * Create error info in string 656 * @param qstate: query state. 657 * @return string or NULL on malloc failure (already logged). 658 * This string is malloced and has to be freed by caller. 659 */ 660 char* errinf_to_str(struct module_qstate* qstate); 661 662 /** 663 * Used during options parsing 664 */ 665 struct config_parser_state { 666 /** name of file being parser */ 667 char* filename; 668 /** line number in the file, starts at 1 */ 669 int line; 670 /** number of errors encountered */ 671 int errors; 672 /** the result of parsing is stored here. */ 673 struct config_file* cfg; 674 /** the current chroot dir (or NULL if none) */ 675 const char* chroot; 676 }; 677 678 /** global config parser object used during config parsing */ 679 extern struct config_parser_state* cfg_parser; 680 /** init lex state */ 681 void init_cfg_parse(void); 682 /** lex in file */ 683 extern FILE* ub_c_in; 684 /** lex out file */ 685 extern FILE* ub_c_out; 686 /** the yacc lex generated parse function */ 687 int ub_c_parse(void); 688 /** the lexer function */ 689 int ub_c_lex(void); 690 /** wrap function */ 691 int ub_c_wrap(void); 692 /** parsing helpers: print error with file and line numbers */ 693 void ub_c_error(const char* msg); 694 /** parsing helpers: print error with file and line numbers */ 695 void ub_c_error_msg(const char* fmt, ...) ATTR_FORMAT(printf, 1, 2); 696 697 #ifdef UB_ON_WINDOWS 698 /** 699 * Obtain registry string (if it exists). 700 * @param key: key string 701 * @param name: name of value to fetch. 702 * @return malloced string with the result or NULL if it did not 703 * exist on an error (logged with log_err) was encountered. 704 */ 705 char* w_lookup_reg_str(const char* key, const char* name); 706 #endif /* UB_ON_WINDOWS */ 707 708 #endif /* UTIL_CONFIG_FILE_H */ 709