2 * util/config_file.c - reads and stores the config file for unbound.
4 * Copyright (c) 2007, NLnet Labs. All rights reserved.
6 * This software is open source.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
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.
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.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
39 * This file contains functions for the config file.
44 #include <ldns/ldns.h>
47 #include "util/configyyrename.h"
48 #include "util/config_file.h"
49 #include "util/configparser.h"
50 #include "util/net_help.h"
51 #include "util/data/msgparse.h"
52 #include "util/module.h"
53 #include "util/regional.h"
54 #include "util/fptr_wlist.h"
55 #include "util/data/dname.h"
60 /** global config during parsing */
61 struct config_parser_state* cfg_parser = 0;
63 /** init ports possible for use */
64 static void init_outgoing_availports(int* array, int num);
69 struct config_file* cfg;
70 cfg = (struct config_file*)calloc(1, sizeof(struct config_file));
73 /* the defaults if no config is present */
75 cfg->stat_interval = 0;
76 cfg->stat_cumulative = 0;
77 cfg->stat_extended = 0;
79 cfg->port = UNBOUND_DNS_PORT;
84 cfg->tcp_upstream = 0;
85 cfg->ssl_service_key = NULL;
86 cfg->ssl_service_pem = NULL;
88 cfg->ssl_upstream = 0;
90 cfg->log_time_ascii = 0;
93 # ifdef USE_MINI_EVENT
94 /* select max 1024 sockets */
95 cfg->outgoing_num_ports = 960;
96 cfg->num_queries_per_thread = 512;
98 /* libevent can use many sockets */
99 cfg->outgoing_num_ports = 4096;
100 cfg->num_queries_per_thread = 1024;
102 cfg->outgoing_num_tcp = 10;
103 cfg->incoming_num_tcp = 10;
105 cfg->outgoing_num_ports = 48; /* windows is limited in num fds */
106 cfg->num_queries_per_thread = 24;
107 cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */
108 cfg->incoming_num_tcp = 2;
110 cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */
111 cfg->msg_buffer_size = 65552; /* 64 k + a small margin */
112 cfg->msg_cache_size = 4 * 1024 * 1024;
113 cfg->msg_cache_slabs = 4;
114 cfg->jostle_time = 200;
115 cfg->rrset_cache_size = 4 * 1024 * 1024;
116 cfg->rrset_cache_slabs = 4;
120 cfg->max_ttl = 3600 * 24;
122 cfg->prefetch_key = 0;
123 cfg->infra_cache_slabs = 4;
124 cfg->infra_cache_numhosts = 10000;
125 if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int))))
127 init_outgoing_availports(cfg->outgoing_avail_ports, 65536);
128 if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit;
130 if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit;
132 if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit;
133 if(!(cfg->logfile = strdup(""))) goto error_exit;
134 if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit;
135 if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit;
136 cfg->donotqueryaddrs = NULL;
137 cfg->donotquery_localhost = 1;
138 cfg->root_hints = NULL;
139 cfg->do_daemonize = 1;
140 cfg->if_automatic = 0;
145 cfg->num_out_ifs = 0;
148 cfg->forwards = NULL;
150 cfg->harden_short_bufsize = 0;
151 cfg->harden_large_queries = 0;
152 cfg->harden_glue = 1;
153 cfg->harden_dnssec_stripped = 1;
154 cfg->harden_below_nxdomain = 0;
155 cfg->harden_referral_path = 0;
156 cfg->use_caps_bits_for_id = 0;
157 cfg->private_address = NULL;
158 cfg->private_domain = NULL;
159 cfg->unwanted_threshold = 0;
160 cfg->hide_identity = 0;
161 cfg->hide_version = 0;
162 cfg->identity = NULL;
164 cfg->auto_trust_anchor_file_list = NULL;
165 cfg->trust_anchor_file_list = NULL;
166 cfg->trust_anchor_list = NULL;
167 cfg->trusted_keys_file_list = NULL;
168 cfg->dlv_anchor_file = NULL;
169 cfg->dlv_anchor_list = NULL;
170 cfg->domain_insecure = NULL;
171 cfg->val_date_override = 0;
172 cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */
173 cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */
174 cfg->val_clean_additional = 1;
175 cfg->val_log_level = 0;
176 cfg->val_log_squelch = 0;
177 cfg->val_permissive_mode = 0;
179 cfg->add_holddown = 30*24*3600;
180 cfg->del_holddown = 30*24*3600;
181 cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */
182 cfg->key_cache_size = 4 * 1024 * 1024;
183 cfg->key_cache_slabs = 4;
184 cfg->neg_cache_size = 1 * 1024 * 1024;
185 cfg->local_zones = NULL;
186 cfg->local_zones_nodefault = NULL;
187 cfg->local_data = NULL;
188 cfg->python_script = NULL;
189 cfg->remote_control_enable = 0;
190 cfg->control_ifs = NULL;
191 cfg->control_port = UNBOUND_CONTROL_PORT;
192 cfg->minimal_responses = 0;
193 cfg->rrset_roundrobin = 0;
194 if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key")))
196 if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem")))
198 if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key")))
200 if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem")))
203 if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit;
204 if(!(cfg->val_nsec3_key_iterations =
205 strdup("1024 150 2048 500 4096 2500"))) goto error_exit;
212 struct config_file* config_create_forlib(void)
214 struct config_file* cfg = config_create();
215 if(!cfg) return NULL;
216 /* modifications for library use, less verbose, less memory */
217 free(cfg->chrootdir);
218 cfg->chrootdir = NULL;
220 cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable'
221 and probably within the ulimit(maxfds) of the user */
222 cfg->outgoing_num_tcp = 2;
223 cfg->msg_cache_size = 1024*1024;
224 cfg->msg_cache_slabs = 1;
225 cfg->rrset_cache_size = 1024*1024;
226 cfg->rrset_cache_slabs = 1;
227 cfg->infra_cache_slabs = 1;
229 cfg->key_cache_size = 1024*1024;
230 cfg->key_cache_slabs = 1;
231 cfg->neg_cache_size = 100 * 1024;
232 cfg->donotquery_localhost = 0; /* allow, so that you can ask a
233 forward nameserver running on localhost */
234 cfg->val_log_level = 2; /* to fill why_bogus with */
235 cfg->val_log_squelch = 1;
239 /** check that the value passed is >= 0 */
240 #define IS_NUMBER_OR_ZERO \
241 if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0
242 /** check that the value passed is > 0 */
243 #define IS_NONZERO_NUMBER \
244 if(atoi(val) == 0) return 0
245 /** check that the value passed is not 0 and a power of 2 */
246 #define IS_POW2_NUMBER \
247 if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0
248 /** check that the value passed is yes or no */
249 #define IS_YES_OR_NO \
250 if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0
251 /** put integer_or_zero into variable */
252 #define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \
253 { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); }
254 /** put integer_nonzero into variable */
255 #define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \
256 { IS_NONZERO_NUMBER; cfg->var = atoi(val); }
257 /** put integer_or_zero into unsigned */
258 #define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \
259 { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); }
260 /** put integer_or_zero into size_t */
261 #define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \
262 { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); }
263 /** put integer_nonzero into size_t */
264 #define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \
265 { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); }
266 /** put yesno into variable */
267 #define S_YNO(str, var) if(strcmp(opt, str) == 0) \
268 { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); }
269 /** put memsize into variable */
270 #define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \
271 { return cfg_parse_memsize(val, &cfg->var); }
272 /** put pow2 number into variable */
273 #define S_POW2(str, var) if(strcmp(opt, str)==0) \
274 { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); }
275 /** put string into variable */
276 #define S_STR(str, var) if(strcmp(opt, str)==0) \
277 { free(cfg->var); return (cfg->var = strdup(val)) != NULL; }
278 /** put string into strlist */
279 #define S_STRLIST(str, var) if(strcmp(opt, str)==0) \
280 { return cfg_strlist_insert(&cfg->var, strdup(val)); }
282 int config_set_option(struct config_file* cfg, const char* opt,
285 S_NUMBER_OR_ZERO("verbosity:", verbosity)
286 else if(strcmp(opt, "statistics-interval:") == 0) {
287 if(strcmp(val, "0") == 0 || strcmp(val, "") == 0)
288 cfg->stat_interval = 0;
289 else if(atoi(val) == 0)
291 else cfg->stat_interval = atoi(val);
292 } else if(strcmp(opt, "num_threads:") == 0) {
293 /* not supported, library must have 1 thread in bgworker */
295 } else if(strcmp(opt, "outgoing-port-permit:") == 0) {
296 return cfg_mark_ports(val, 1,
297 cfg->outgoing_avail_ports, 65536);
298 } else if(strcmp(opt, "outgoing-port-avoid:") == 0) {
299 return cfg_mark_ports(val, 0,
300 cfg->outgoing_avail_ports, 65536);
301 } else if(strcmp(opt, "local-zone:") == 0) {
302 return cfg_parse_local_zone(cfg, val);
303 } else if(strcmp(opt, "val-override-date:") == 0) {
304 if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) {
305 cfg->val_date_override = 0;
306 } else if(strlen(val) == 14) {
307 cfg->val_date_override = cfg_convert_timeval(val);
308 return cfg->val_date_override != 0;
310 if(atoi(val) == 0) return 0;
311 cfg->val_date_override = (uint32_t)atoi(val);
313 } else if(strcmp(opt, "local-data-ptr:") == 0) {
314 char* ptr = cfg_ptr_reverse((char*)opt);
315 return cfg_strlist_insert(&cfg->local_data, ptr);
316 } else if(strcmp(opt, "logfile:") == 0) {
319 return (cfg->logfile = strdup(val)) != NULL;
321 else S_YNO("use-syslog:", use_syslog)
322 else S_YNO("extended-statistics:", stat_extended)
323 else S_YNO("statistics-cumulative:", stat_cumulative)
324 else S_YNO("do-ip4:", do_ip4)
325 else S_YNO("do-ip6:", do_ip6)
326 else S_YNO("do-udp:", do_udp)
327 else S_YNO("do-tcp:", do_tcp)
328 else S_YNO("tcp-upstream:", tcp_upstream)
329 else S_YNO("ssl-upstream:", ssl_upstream)
330 else S_STR("ssl-service-key:", ssl_service_key)
331 else S_STR("ssl-service-pem:", ssl_service_pem)
332 else S_NUMBER_NONZERO("ssl-port:", ssl_port)
333 else S_YNO("interface-automatic:", if_automatic)
334 else S_YNO("do-daemonize:", do_daemonize)
335 else S_NUMBER_NONZERO("port:", port)
336 else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports)
337 else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp)
338 else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp)
339 else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size)
340 else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size)
341 else S_MEMSIZE("msg-cache-size:", msg_cache_size)
342 else S_POW2("msg-cache-slabs:", msg_cache_slabs)
343 else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread)
344 else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time)
345 else S_MEMSIZE("so-rcvbuf:", so_rcvbuf)
346 else S_MEMSIZE("so-sndbuf:", so_sndbuf)
347 else S_MEMSIZE("rrset-cache-size:", rrset_cache_size)
348 else S_POW2("rrset-cache-slabs:", rrset_cache_slabs)
349 else S_YNO("prefetch:", prefetch)
350 else S_YNO("prefetch-key:", prefetch_key)
351 else S_NUMBER_OR_ZERO("cache-max-ttl:", max_ttl)
352 else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl)
353 else S_POW2("infra-cache-slabs:", infra_cache_slabs)
354 else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts)
355 else S_STR("chroot:", chrootdir)
356 else S_STR("username:", username)
357 else S_STR("directory:", directory)
358 else S_STR("pidfile:", pidfile)
359 else S_YNO("hide-identity:", hide_identity)
360 else S_YNO("hide-version:", hide_version)
361 else S_STR("identity:", identity)
362 else S_STR("version:", version)
363 else S_STRLIST("root-hints:", root_hints)
364 else S_STR("target-fetch-policy:", target_fetch_policy)
365 else S_YNO("harden-glue:", harden_glue)
366 else S_YNO("harden-short-bufsize:", harden_short_bufsize)
367 else S_YNO("harden-large-queries:", harden_large_queries)
368 else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped)
369 else S_YNO("harden-below-nxdomain:", harden_below_nxdomain)
370 else S_YNO("harden-referral-path:", harden_referral_path)
371 else S_YNO("use-caps-for-id", use_caps_bits_for_id)
372 else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold)
373 else S_STRLIST("private-address:", private_address)
374 else S_STRLIST("private-domain:", private_domain)
375 else S_YNO("do-not-query-localhost:", donotquery_localhost)
376 else S_STRLIST("do-not-query-address:", donotqueryaddrs)
377 else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list)
378 else S_STRLIST("trust-anchor-file:", trust_anchor_file_list)
379 else S_STRLIST("trust-anchor:", trust_anchor_list)
380 else S_STRLIST("trusted-keys-file:", trusted_keys_file_list)
381 else S_STR("dlv-anchor-file:", dlv_anchor_file)
382 else S_STRLIST("dlv-anchor:", dlv_anchor_list)
383 else S_STRLIST("domain-insecure:", domain_insecure)
384 else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl)
385 else S_YNO("val-clean-additional:", val_clean_additional)
386 else S_NUMBER_OR_ZERO("val-log-level:", val_log_level)
387 else S_YNO("val-log-squelch:", val_log_squelch)
388 else S_YNO("log-queries:", log_queries)
389 else S_YNO("val-permissive-mode:", val_permissive_mode)
390 else S_YNO("ignore-cd-flag:", ignore_cd)
391 else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations)
392 else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown)
393 else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown)
394 else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing)
395 else S_MEMSIZE("key-cache-size:", key_cache_size)
396 else S_POW2("key-cache-slabs:", key_cache_slabs)
397 else S_MEMSIZE("neg-cache-size:", neg_cache_size)
398 else S_YNO("minimal-responses:", minimal_responses)
399 else S_YNO("rrset-roundrobin:", rrset_roundrobin)
400 else S_STRLIST("local-data:", local_data)
401 else S_YNO("control-enable:", remote_control_enable)
402 else S_STRLIST("control-interface:", control_ifs)
403 else S_NUMBER_NONZERO("control-port:", control_port)
404 else S_STR("server-key-file:", server_key_file)
405 else S_STR("server-cert-file:", server_cert_file)
406 else S_STR("control-key-file:", control_key_file)
407 else S_STR("control-cert-file:", control_cert_file)
408 else S_STR("module-config:", module_conf)
409 else S_STR("python-script:", python_script)
410 else if (strcmp(opt, "outgoing-interface:") == 0) {
411 char* d = strdup(val);
412 char** oi = (char**)malloc((cfg->num_out_ifs+1)*sizeof(char*));
413 if(!d || !oi) { free(d); free(oi); return -1; }
414 if(cfg->out_ifs && cfg->num_out_ifs) {
415 memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*));
418 oi[cfg->num_out_ifs++] = d;
421 /* unknown or unsupported (from the set_option interface):
422 * interface, outgoing-interface, access-control,
423 * stub-zone, name, stub-addr, stub-host, stub-prime
424 * forward-first, stub-first,
425 * forward-zone, name, forward-addr, forward-host */
431 void config_print_func(char* line, void* arg)
433 FILE* f = (FILE*)arg;
434 (void)fprintf(f, "%s\n", line);
437 /** collate func arg */
438 struct config_collate_arg {
439 /** list of result items */
440 struct config_strlist_head list;
441 /** if a malloc error occurred, 0 is OK */
445 void config_collate_func(char* line, void* arg)
447 struct config_collate_arg* m = (struct config_collate_arg*)arg;
450 if(!cfg_strlist_append(&m->list, strdup(line)))
454 int config_get_option_list(struct config_file* cfg, const char* opt,
455 struct config_strlist** list)
457 struct config_collate_arg m;
458 memset(&m, 0, sizeof(m));
460 if(!config_get_option(cfg, opt, config_collate_func, &m))
463 config_delstrlist(m.list.first);
466 *list = m.list.first;
471 config_get_option_collate(struct config_file* cfg, const char* opt, char** str)
473 struct config_strlist* list = NULL;
476 if((r = config_get_option_list(cfg, opt, &list)) != 0)
478 *str = config_collate_cat(list);
479 config_delstrlist(list);
485 config_collate_cat(struct config_strlist* list)
487 size_t total = 0, left;
488 struct config_strlist* s;
490 if(!list) /* no elements */
492 if(list->next == NULL) /* one element , no newline at end. */
493 return strdup(list->str);
494 /* count total length */
495 for(s=list; s; s=s->next)
496 total += strlen(s->str) + 1; /* len + newline */
497 left = total+1; /* one extra for nul at end */
502 for(s=list; s; s=s->next) {
503 size_t this = strlen(s->str);
504 if(this+2 > left) { /* sanity check */
508 snprintf(w, left, "%s\n", s->str);
515 /** compare and print decimal option */
516 #define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \
517 {snprintf(buf, len, "%d", (int)cfg->var); \
519 /** compare and print unsigned option */
520 #define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \
521 {snprintf(buf, len, "%u", (unsigned)cfg->var); \
523 /** compare and print yesno option */
524 #define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \
525 {func(cfg->var?"yes":"no", arg);}
526 /** compare and print string option */
527 #define O_STR(opt, str, var) if(strcmp(opt, str)==0) \
528 {func(cfg->var?cfg->var:"", arg);}
529 /** compare and print array option */
530 #define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \
531 {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);}
532 /** compare and print memorysize option */
533 #define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \
534 if(cfg->var > 1024*1024*1024) { \
535 size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \
536 snprintf(buf, len, "%u%6.6u\n", (unsigned)f, (unsigned)b); \
537 } else snprintf(buf, len, "%u\n", (unsigned)cfg->var); \
539 /** compare and print list option */
540 #define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \
541 struct config_strlist* p = cfg->lst; \
542 for(p = cfg->lst; p; p = p->next) \
545 /** compare and print list option */
546 #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \
547 struct config_str2list* p = cfg->lst; \
548 for(p = cfg->lst; p; p = p->next) \
549 snprintf(buf, len, "%s %s\n", p->str, p->str2); \
554 config_get_option(struct config_file* cfg, const char* opt,
555 void (*func)(char*,void*), void* arg)
558 size_t len = sizeof(buf);
559 fptr_ok(fptr_whitelist_print_func(func));
560 O_DEC(opt, "verbosity", verbosity)
561 else O_DEC(opt, "statistics-interval", stat_interval)
562 else O_YNO(opt, "statistics-cumulative", stat_cumulative)
563 else O_YNO(opt, "extended-statistics", stat_extended)
564 else O_YNO(opt, "use-syslog", use_syslog)
565 else O_DEC(opt, "num-threads", num_threads)
566 else O_IFC(opt, "interface", num_ifs, ifs)
567 else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs)
568 else O_YNO(opt, "interface-automatic", if_automatic)
569 else O_DEC(opt, "port", port)
570 else O_DEC(opt, "outgoing-range", outgoing_num_ports)
571 else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp)
572 else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp)
573 else O_DEC(opt, "edns-buffer-size", edns_buffer_size)
574 else O_DEC(opt, "msg-buffer-size", msg_buffer_size)
575 else O_MEM(opt, "msg-cache-size", msg_cache_size)
576 else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs)
577 else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread)
578 else O_UNS(opt, "jostle-timeout", jostle_time)
579 else O_MEM(opt, "so-rcvbuf", so_rcvbuf)
580 else O_MEM(opt, "so-sndbuf", so_sndbuf)
581 else O_MEM(opt, "rrset-cache-size", rrset_cache_size)
582 else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs)
583 else O_YNO(opt, "prefetch-key", prefetch_key)
584 else O_YNO(opt, "prefetch", prefetch)
585 else O_DEC(opt, "cache-max-ttl", max_ttl)
586 else O_DEC(opt, "infra-host-ttl", host_ttl)
587 else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs)
588 else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts)
589 else O_YNO(opt, "do-ip4", do_ip4)
590 else O_YNO(opt, "do-ip6", do_ip6)
591 else O_YNO(opt, "do-udp", do_udp)
592 else O_YNO(opt, "do-tcp", do_tcp)
593 else O_YNO(opt, "tcp-upstream", tcp_upstream)
594 else O_YNO(opt, "ssl-upstream", ssl_upstream)
595 else O_STR(opt, "ssl-service-key", ssl_service_key)
596 else O_STR(opt, "ssl-service-pem", ssl_service_pem)
597 else O_DEC(opt, "ssl-port", ssl_port)
598 else O_YNO(opt, "do-daemonize", do_daemonize)
599 else O_STR(opt, "chroot", chrootdir)
600 else O_STR(opt, "username", username)
601 else O_STR(opt, "directory", directory)
602 else O_STR(opt, "logfile", logfile)
603 else O_YNO(opt, "log-queries", log_queries)
604 else O_STR(opt, "pidfile", pidfile)
605 else O_YNO(opt, "hide-identity", hide_identity)
606 else O_YNO(opt, "hide-version", hide_version)
607 else O_STR(opt, "identity", identity)
608 else O_STR(opt, "version", version)
609 else O_STR(opt, "target-fetch-policy", target_fetch_policy)
610 else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize)
611 else O_YNO(opt, "harden-large-queries", harden_large_queries)
612 else O_YNO(opt, "harden-glue", harden_glue)
613 else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped)
614 else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain)
615 else O_YNO(opt, "harden-referral-path", harden_referral_path)
616 else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id)
617 else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold)
618 else O_YNO(opt, "do-not-query-localhost", donotquery_localhost)
619 else O_STR(opt, "module-config", module_conf)
620 else O_STR(opt, "dlv-anchor-file", dlv_anchor_file)
621 else O_DEC(opt, "val-bogus-ttl", bogus_ttl)
622 else O_YNO(opt, "val-clean-additional", val_clean_additional)
623 else O_DEC(opt, "val-log-level", val_log_level)
624 else O_YNO(opt, "val-permissive-mode", val_permissive_mode)
625 else O_YNO(opt, "ignore-cd-flag", ignore_cd)
626 else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations)
627 else O_UNS(opt, "add-holddown", add_holddown)
628 else O_UNS(opt, "del-holddown", del_holddown)
629 else O_UNS(opt, "keep-missing", keep_missing)
630 else O_MEM(opt, "key-cache-size", key_cache_size)
631 else O_DEC(opt, "key-cache-slabs", key_cache_slabs)
632 else O_MEM(opt, "neg-cache-size", neg_cache_size)
633 else O_YNO(opt, "control-enable", remote_control_enable)
634 else O_DEC(opt, "control-port", control_port)
635 else O_STR(opt, "server-key-file", server_key_file)
636 else O_STR(opt, "server-cert-file", server_cert_file)
637 else O_STR(opt, "control-key-file", control_key_file)
638 else O_STR(opt, "control-cert-file", control_cert_file)
639 else O_LST(opt, "root-hints", root_hints)
640 else O_LS2(opt, "access-control", acls)
641 else O_LST(opt, "do-not-query-address", donotqueryaddrs)
642 else O_LST(opt, "private-address", private_address)
643 else O_LST(opt, "private-domain", private_domain)
644 else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list)
645 else O_LST(opt, "trust-anchor-file", trust_anchor_file_list)
646 else O_LST(opt, "trust-anchor", trust_anchor_list)
647 else O_LST(opt, "trusted-keys-file", trusted_keys_file_list)
648 else O_LST(opt, "dlv-anchor", dlv_anchor_list)
649 else O_LST(opt, "control-interface", control_ifs)
650 else O_LST(opt, "domain-insecure", domain_insecure)
651 else O_UNS(opt, "val-override-date", val_date_override)
652 else O_YNO(opt, "minimal-responses", minimal_responses)
653 else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin)
655 * outgoing-permit, outgoing-avoid - have list of ports
656 * local-zone - zones and nodefault variables
657 * local-data - see below
658 * local-data-ptr - converted to local-data entries
659 * stub-zone, name, stub-addr, stub-host, stub-prime
660 * forward-zone, name, forward-addr, forward-host
666 /** initialize the global cfg_parser object */
668 create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot)
670 static struct config_parser_state st;
672 cfg_parser->filename = filename;
673 cfg_parser->line = 1;
674 cfg_parser->errors = 0;
675 cfg_parser->cfg = cfg;
676 cfg_parser->chroot = chroot;
680 config_read(struct config_file* cfg, const char* filename, const char* chroot)
683 char *fname = (char*)filename;
692 /* check for wildcards */
694 if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') &&
695 !strchr(fname, '{') && !strchr(fname, '~'))) {
696 verbose(VERB_QUERY, "wildcard found, processing %s", fname);
711 memset(&g, 0, sizeof(g));
712 r = glob(fname, flags, NULL, &g);
716 if(r == GLOB_NOMATCH) {
717 verbose(VERB_QUERY, "include: "
718 "no matches for %s", fname);
720 } else if(r == GLOB_NOSPACE) {
721 log_err("include: %s: "
722 "fnametern out of memory", fname);
723 } else if(r == GLOB_ABORTED) {
724 log_err("wildcard include: %s: expansion "
725 "aborted (%s)", fname, strerror(errno));
727 log_err("wildcard include: %s: expansion "
728 "failed (%s)", fname, strerror(errno));
730 /* ignore globs that yield no files */
733 /* process files found, if any */
734 for(i=0; i<(size_t)g.gl_pathc; i++) {
735 if(!config_read(cfg, g.gl_pathv[i], chroot)) {
736 log_err("error reading wildcard "
737 "include: %s", g.gl_pathv[i]);
745 #endif /* HAVE_GLOB */
747 in = fopen(fname, "r");
749 log_err("Could not open %s: %s", fname, strerror(errno));
752 create_cfg_parser(cfg, fname, chroot);
757 if(cfg_parser->errors != 0) {
758 fprintf(stderr, "read %s failed: %d errors in configuration file\n",
759 cfg_parser->filename, cfg_parser->errors);
767 config_delstrlist(struct config_strlist* p)
769 struct config_strlist *np;
779 config_deldblstrlist(struct config_str2list* p)
781 struct config_str2list *np;
792 config_delstubs(struct config_stub* p)
794 struct config_stub* np;
798 config_delstrlist(p->hosts);
799 config_delstrlist(p->addrs);
806 config_delete(struct config_file* cfg)
810 free(cfg->chrootdir);
811 free(cfg->directory);
814 free(cfg->target_fetch_policy);
815 free(cfg->ssl_service_key);
816 free(cfg->ssl_service_pem);
819 for(i=0; i<cfg->num_ifs; i++)
825 for(i=0; i<cfg->num_out_ifs; i++)
826 free(cfg->out_ifs[i]);
829 config_delstubs(cfg->stubs);
830 config_delstubs(cfg->forwards);
831 config_delstrlist(cfg->donotqueryaddrs);
832 config_delstrlist(cfg->root_hints);
835 free(cfg->module_conf);
836 free(cfg->outgoing_avail_ports);
837 config_delstrlist(cfg->private_address);
838 config_delstrlist(cfg->private_domain);
839 config_delstrlist(cfg->auto_trust_anchor_file_list);
840 config_delstrlist(cfg->trust_anchor_file_list);
841 config_delstrlist(cfg->trusted_keys_file_list);
842 config_delstrlist(cfg->trust_anchor_list);
843 config_delstrlist(cfg->domain_insecure);
844 free(cfg->dlv_anchor_file);
845 config_delstrlist(cfg->dlv_anchor_list);
846 config_deldblstrlist(cfg->acls);
847 free(cfg->val_nsec3_key_iterations);
848 config_deldblstrlist(cfg->local_zones);
849 config_delstrlist(cfg->local_zones_nodefault);
850 config_delstrlist(cfg->local_data);
851 config_delstrlist(cfg->control_ifs);
852 free(cfg->server_key_file);
853 free(cfg->server_cert_file);
854 free(cfg->control_key_file);
855 free(cfg->control_cert_file);
860 init_outgoing_availports(int* a, int num)
862 /* generated with make iana_update */
863 const int iana_assigned[] = {
864 #include "util/iana_ports.inc"
865 -1 }; /* end marker to put behind trailing comma */
868 /* do not use <1024, that could be trouble with the system, privs */
869 for(i=1024; i<num; i++) {
872 /* create empty spot at 49152 to keep ephemeral ports available
873 * to other programs */
874 for(i=49152; i<49152+256; i++)
876 /* pick out all the IANA assigned ports */
877 for(i=0; iana_assigned[i]!=-1; i++) {
878 if(iana_assigned[i] < num)
879 a[iana_assigned[i]] = 0;
884 cfg_mark_ports(const char* str, int allow, int* avail, int num)
886 char* mid = strchr(str, '-');
888 int port = atoi(str);
889 if(port == 0 && strcmp(str, "0") != 0) {
890 log_err("cannot parse port number '%s'", str);
894 avail[port] = (allow?port:0);
896 int i, low, high = atoi(mid+1);
898 if(high == 0 && strcmp(mid+1, "0") != 0) {
899 log_err("cannot parse port number '%s'", mid+1);
902 if( (int)(mid-str)+1 >= (int)sizeof(buf) ) {
903 log_err("cannot parse port number '%s'", str);
907 memcpy(buf, str, (size_t)(mid-str));
910 if(low == 0 && strcmp(buf, "0") != 0) {
911 log_err("cannot parse port number '%s'", buf);
914 for(i=low; i<=high; i++) {
916 avail[i] = (allow?i:0);
924 cfg_scan_ports(int* avail, int num)
928 for(i=0; i<num; i++) {
935 int cfg_condense_ports(struct config_file* cfg, int** avail)
937 int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536);
942 *avail = (int*)malloc(sizeof(int)*num);
945 for(i=0; i<65536; i++) {
946 if(cfg->outgoing_avail_ports[i])
947 (*avail)[at++] = cfg->outgoing_avail_ports[i];
949 log_assert(at == num);
953 /** print error with file and line number */
954 static void ub_c_error_va_list(const char *fmt, va_list args)
956 cfg_parser->errors++;
957 fprintf(stderr, "%s:%d: error: ", cfg_parser->filename,
959 vfprintf(stderr, fmt, args);
960 fprintf(stderr, "\n");
963 /** print error with file and line number */
964 void ub_c_error_msg(const char* fmt, ...)
968 ub_c_error_va_list(fmt, args);
972 void ub_c_error(const char *str)
974 cfg_parser->errors++;
975 fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename,
976 cfg_parser->line, str);
984 int cfg_strlist_append(struct config_strlist_head* list, char* item)
986 struct config_strlist *s;
989 s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist));
995 list->last->next = s;
1003 cfg_strlist_insert(struct config_strlist** head, char* item)
1005 struct config_strlist *s;
1008 s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist));
1018 cfg_str2list_insert(struct config_str2list** head, char* item, char* i2)
1020 struct config_str2list *s;
1021 if(!item || !i2 || !head)
1023 s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list));
1034 cfg_convert_timeval(const char* str)
1038 memset(&tm, 0, sizeof(tm));
1039 if(strlen(str) < 14)
1041 if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon,
1042 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6)
1047 if (tm.tm_year < 70) return 0;
1048 if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0;
1049 if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0;
1050 if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0;
1051 if (tm.tm_min < 0 || tm.tm_min > 59) return 0;
1052 if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0;
1053 /* call ldns conversion function */
1054 t = mktime_from_utc(&tm);
1059 cfg_count_numbers(const char* s)
1061 /* format ::= (sp num)+ sp */
1062 /* num ::= [-](0-9)+ */
1063 /* sp ::= (space|tab)* */
1066 while(*s && isspace((int)*s))
1068 if(!*s) /* end of string */
1072 if(!*s) /* only - not allowed */
1074 if(!isdigit((int)*s)) /* bad character */
1076 while(*s && isdigit((int)*s))
1083 /** all digit number */
1084 static int isalldigit(const char* str, size_t l)
1088 if(!isdigit(str[i]))
1094 cfg_parse_memsize(const char* str, size_t* res)
1098 if(!str || (len=(size_t)strlen(str)) == 0) {
1099 log_err("not a size: '%s'", str);
1102 if(isalldigit(str, len)) {
1103 *res = (size_t)atol(str);
1106 /* check appended num */
1107 while(len>0 && str[len-1]==' ')
1109 if(len > 1 && str[len-1] == 'b')
1111 else if(len > 1 && str[len-1] == 'B')
1114 if(len > 1 && tolower(str[len-1]) == 'g')
1115 mult = 1024*1024*1024;
1116 else if(len > 1 && tolower(str[len-1]) == 'm')
1118 else if(len > 1 && tolower(str[len-1]) == 'k')
1120 else if(len > 0 && isdigit(str[len-1]))
1123 log_err("unknown size specifier: '%s'", str);
1126 while(len>1 && str[len-2]==' ')
1129 if(!isalldigit(str, len-1)) {
1130 log_err("unknown size specifier: '%s'", str);
1133 *res = ((size_t)atol(str)) * mult;
1138 config_apply(struct config_file* config)
1140 MAX_TTL = (uint32_t)config->max_ttl;
1141 MIN_TTL = (uint32_t)config->min_ttl;
1142 EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size;
1143 MINIMAL_RESPONSES = config->minimal_responses;
1144 RRSET_ROUNDROBIN = config->rrset_roundrobin;
1145 log_set_time_asc(config->log_time_ascii);
1149 * Calculate string length of full pathname in original filesys
1150 * @param fname: the path name to convert.
1151 * Must not be null or empty.
1152 * @param cfg: config struct for chroot and chdir (if set).
1153 * @param use_chdir: if false, only chroot is applied.
1154 * @return length of string.
1155 * remember to allocate one more for 0 at end in mallocs.
1158 strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir)
1162 if(cfg->chrootdir && cfg->chrootdir[0] &&
1163 strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) {
1164 /* already full pathname, return it */
1165 return strlen(fname);
1168 if(cfg->chrootdir && cfg->chrootdir[0]) {
1169 /* start with chrootdir */
1170 len += strlen(cfg->chrootdir);
1174 #ifdef UB_ON_WINDOWS
1175 if(fname[0] != 0 && fname[1] == ':') {
1176 /* full path, no chdir */
1179 if(fname[0] == '/' || !use_chdir) {
1180 /* full path, no chdir */
1181 } else if(cfg->directory && cfg->directory[0]) {
1183 if(slashit && cfg->directory[0] != '/')
1185 if(cfg->chrootdir && cfg->chrootdir[0] &&
1186 strncmp(cfg->chrootdir, cfg->directory,
1187 strlen(cfg->chrootdir)) == 0)
1188 len += strlen(cfg->directory)-strlen(cfg->chrootdir);
1189 else len += strlen(cfg->directory);
1193 if(slashit && fname[0] != '/')
1195 len += strlen(fname);
1200 fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir)
1202 size_t len = strlen_after_chroot(fname, cfg, use_chdir);
1204 char* buf = (char*)malloc(len+1);
1208 /* is fname already in chroot ? */
1209 if(cfg->chrootdir && cfg->chrootdir[0] &&
1210 strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) {
1211 /* already full pathname, return it */
1212 strncpy(buf, fname, len);
1217 if(cfg->chrootdir && cfg->chrootdir[0]) {
1218 /* start with chrootdir */
1219 strncpy(buf, cfg->chrootdir, len);
1222 #ifdef UB_ON_WINDOWS
1223 if(fname[0] != 0 && fname[1] == ':') {
1224 /* full path, no chdir */
1228 if(fname[0] == '/' || !use_chdir) {
1229 /* full path, no chdir */
1230 } else if(cfg->directory && cfg->directory[0]) {
1232 if(slashit && cfg->directory[0] != '/')
1233 strncat(buf, "/", len-strlen(buf));
1234 /* is the directory already in the chroot? */
1235 if(cfg->chrootdir && cfg->chrootdir[0] &&
1236 strncmp(cfg->chrootdir, cfg->directory,
1237 strlen(cfg->chrootdir)) == 0)
1238 strncat(buf, cfg->directory+strlen(cfg->chrootdir),
1240 else strncat(buf, cfg->directory, len-strlen(buf));
1244 if(slashit && fname[0] != '/')
1245 strncat(buf, "/", len-strlen(buf));
1246 strncat(buf, fname, len-strlen(buf));
1251 /** return next space character in string */
1252 static char* next_space_pos(const char* str)
1254 char* sp = strchr(str, ' ');
1255 char* tab = strchr(str, '\t');
1260 return (sp<tab)?sp:tab;
1263 /** return last space character in string */
1264 static char* last_space_pos(const char* str)
1266 char* sp = strrchr(str, ' ');
1267 char* tab = strrchr(str, '\t');
1272 return (sp>tab)?sp:tab;
1276 cfg_parse_local_zone(struct config_file* cfg, const char* val)
1278 const char *type, *name_end, *name;
1281 /* parse it as: [zone_name] [between stuff] [zone_type] */
1283 while(*name && isspace(*name))
1286 log_err("syntax error: too short: %s", val);
1289 name_end = next_space_pos(name);
1290 if(!name_end || !*name_end) {
1291 log_err("syntax error: expected zone type: %s", val);
1294 if (name_end - name > 255) {
1295 log_err("syntax error: bad zone name: %s", val);
1298 strncpy(buf, name, (size_t)(name_end-name));
1299 buf[name_end-name] = '\0';
1301 type = last_space_pos(name_end);
1302 while(type && *type && isspace(*type))
1304 if(!type || !*type) {
1305 log_err("syntax error: expected zone type: %s", val);
1309 if(strcmp(type, "nodefault")==0) {
1310 return cfg_strlist_insert(&cfg->local_zones_nodefault,
1313 return cfg_str2list_insert(&cfg->local_zones, strdup(buf),
1318 char* cfg_ptr_reverse(char* str)
1324 struct sockaddr_storage addr;
1327 /* parse it as: [IP] [between stuff] [name] */
1329 while(*ip && isspace(*ip))
1332 log_err("syntax error: too short: %s", str);
1335 ip_end = next_space_pos(ip);
1336 if(!ip_end || !*ip_end) {
1337 log_err("syntax error: expected name: %s", str);
1341 name = last_space_pos(ip_end);
1342 if(!name || !*name) {
1343 log_err("syntax error: expected name: %s", str);
1347 sscanf(ip, "%100s", buf);
1348 buf[sizeof(buf)-1]=0;
1350 if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) {
1351 log_err("syntax error: cannot parse address: %s", str);
1356 * ddd.ddd.ddd.ddd.in-addr-arpa.
1357 * IPv6: (h.){32}.ip6.arpa. */
1359 if(addr_is_ip6(&addr, addrlen)) {
1361 const char* hex = "0123456789abcdef";
1364 memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr,
1366 for(i=15; i>=0; i--) {
1368 *p++ = hex[ (b&0x0f) ];
1370 *p++ = hex[ (b&0xf0) >> 4 ];
1373 snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. ");
1376 memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr,
1378 snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ",
1379 (unsigned)ad[3], (unsigned)ad[2],
1380 (unsigned)ad[1], (unsigned)ad[0]);
1383 /* printed the reverse address, now the between goop and name on end */
1384 while(*ip_end && isspace(*ip_end))
1387 snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s",
1388 (int)(name-ip_end), ip_end);
1390 snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name);
1392 result = strdup(buf);
1394 log_err("out of memory parsing %s", str);
1400 #ifdef UB_ON_WINDOWS
1402 w_lookup_reg_str(const char* key, const char* name)
1407 DWORD len = (DWORD)sizeof(buf);
1409 char* result = NULL;
1410 ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk);
1411 if(ret == ERROR_FILE_NOT_FOUND)
1412 return NULL; /* key does not exist */
1413 else if(ret != ERROR_SUCCESS) {
1414 log_err("RegOpenKeyEx failed");
1417 ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len);
1419 log_err("RegCloseKey");
1420 if(ret == ERROR_FILE_NOT_FOUND)
1421 return NULL; /* name does not exist */
1422 else if(ret != ERROR_SUCCESS) {
1423 log_err("RegQueryValueEx failed");
1426 if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) {
1427 buf[sizeof(buf)-1] = 0;
1428 buf[sizeof(buf)-2] = 0; /* for multi_sz */
1429 result = strdup((char*)buf);
1430 if(!result) log_err("out of memory");
1434 #endif /* UB_ON_WINDOWS */
1436 void errinf(struct module_qstate* qstate, const char* str)
1438 struct config_strlist* p;
1439 if(qstate->env->cfg->val_log_level < 2 || !str)
1441 p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p));
1443 log_err("malloc failure in validator-error-info string");
1447 p->str = regional_strdup(qstate->region, str);
1449 log_err("malloc failure in validator-error-info string");
1453 if(qstate->errinf) {
1454 struct config_strlist* q = qstate->errinf;
1458 } else qstate->errinf = p;
1461 void errinf_origin(struct module_qstate* qstate, struct sock_list *origin)
1463 struct sock_list* p;
1464 if(qstate->env->cfg->val_log_level < 2)
1466 for(p=origin; p; p=p->next) {
1469 snprintf(buf, sizeof(buf), "from ");
1470 else snprintf(buf, sizeof(buf), "and ");
1472 snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf),
1475 addr_to_str(&p->addr, p->len, buf+strlen(buf),
1476 sizeof(buf)-strlen(buf));
1477 errinf(qstate, buf);
1481 char* errinf_to_str(struct module_qstate* qstate)
1485 size_t left = sizeof(buf);
1486 struct config_strlist* s;
1487 char dname[LDNS_MAX_DOMAINLEN+1];
1488 char* t = ldns_rr_type2str(qstate->qinfo.qtype);
1489 char* c = ldns_rr_class2str(qstate->qinfo.qclass);
1493 log_err("malloc failure in errinf_to_str");
1496 dname_str(qstate->qinfo.qname, dname);
1497 snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c);
1500 left -= strlen(p); p += strlen(p);
1502 snprintf(p, left, " misc failure");
1503 else for(s=qstate->errinf; s; s=s->next) {
1504 snprintf(p, left, " %s", s->str);
1505 left -= strlen(p); p += strlen(p);
1509 log_err("malloc failure in errinf_to_str");
1513 void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr)
1516 char dname[LDNS_MAX_DOMAINLEN+1];
1518 if(qstate->env->cfg->val_log_level < 2 || !rr)
1520 t = ldns_rr_type2str(ntohs(rr->rk.type));
1521 c = ldns_rr_class2str(ntohs(rr->rk.rrset_class));
1525 log_err("malloc failure in errinf_rrset");
1528 dname_str(rr->rk.dname, dname);
1529 snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c);
1532 errinf(qstate, buf);
1535 void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname)
1538 char buf[LDNS_MAX_DOMAINLEN+1];
1539 if(qstate->env->cfg->val_log_level < 2 || !str || !dname)
1541 dname_str(dname, buf);
1542 snprintf(b, sizeof(b), "%s %s", str, buf);