-
-
Notifications
You must be signed in to change notification settings - Fork 105
/
configparser.y
1387 lines (1289 loc) · 38.3 KB
/
configparser.y
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* configparser.y -- yacc grammar for NSD configuration files
*
* Copyright (c) 2001-2019, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*
*/
%{
#include "config.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "options.h"
#include "util.h"
#include "dname.h"
#include "tsig.h"
#include "rrl.h"
int yylex(void);
#ifdef __cplusplus
extern "C"
#endif
/* these need to be global, otherwise they cannot be used inside yacc */
extern config_parser_state_type *cfg_parser;
static void append_acl(struct acl_options **list, struct acl_options *acl);
static void add_to_last_acl(struct acl_options **list, char *ac);
static int parse_boolean(const char *str, int *bln);
static int parse_catalog_role(const char *str, int *role);
static int parse_expire_expr(const char *str, long long *num, uint8_t *expr);
static int parse_number(const char *str, long long *num);
static int parse_range(const char *str, long long *low, long long *high);
struct component {
struct component *next;
char *str;
};
%}
%union {
char *str;
long long llng;
int bln;
struct ip_address_option *ip;
struct range_option *range;
struct cpu_option *cpu;
char **strv;
struct component *comp;
int role;
}
%token <str> STRING
%type <llng> number
%type <bln> boolean
%type <ip> ip_address
%type <llng> service_cpu_affinity
%type <cpu> cpus
%type <strv> command
%type <comp> arguments
%type <role> catalog_role
/* server */
%token VAR_SERVER
%token VAR_SERVER_COUNT
%token VAR_IP_ADDRESS
%token VAR_IP_TRANSPARENT
%token VAR_IP_FREEBIND
%token VAR_REUSEPORT
%token VAR_SEND_BUFFER_SIZE
%token VAR_RECEIVE_BUFFER_SIZE
%token VAR_DEBUG_MODE
%token VAR_IP4_ONLY
%token VAR_IP6_ONLY
%token VAR_DO_IP4
%token VAR_DO_IP6
%token VAR_PORT
%token VAR_USE_SYSTEMD
%token VAR_VERBOSITY
%token VAR_USERNAME
%token VAR_CHROOT
%token VAR_ZONESDIR
%token VAR_ZONELISTFILE
%token VAR_DATABASE
%token VAR_LOGFILE
%token VAR_LOG_ONLY_SYSLOG
%token VAR_PIDFILE
%token VAR_DIFFFILE
%token VAR_XFRDFILE
%token VAR_XFRDIR
%token VAR_HIDE_VERSION
%token VAR_HIDE_IDENTITY
%token VAR_VERSION
%token VAR_IDENTITY
%token VAR_NSID
%token VAR_TCP_COUNT
%token VAR_TCP_REJECT_OVERFLOW
%token VAR_TCP_QUERY_COUNT
%token VAR_TCP_TIMEOUT
%token VAR_TCP_MSS
%token VAR_OUTGOING_TCP_MSS
%token VAR_IPV4_EDNS_SIZE
%token VAR_IPV6_EDNS_SIZE
%token VAR_STATISTICS
%token VAR_XFRD_RELOAD_TIMEOUT
%token VAR_LOG_TIME_ASCII
%token VAR_LOG_TIME_ISO
%token VAR_ROUND_ROBIN
%token VAR_MINIMAL_RESPONSES
%token VAR_CONFINE_TO_ZONE
%token VAR_REFUSE_ANY
%token VAR_RELOAD_CONFIG
%token VAR_ZONEFILES_CHECK
%token VAR_ZONEFILES_WRITE
%token VAR_RRL_SIZE
%token VAR_RRL_RATELIMIT
%token VAR_RRL_SLIP
%token VAR_RRL_IPV4_PREFIX_LENGTH
%token VAR_RRL_IPV6_PREFIX_LENGTH
%token VAR_RRL_WHITELIST_RATELIMIT
%token VAR_TLS_SERVICE_KEY
%token VAR_TLS_SERVICE_PEM
%token VAR_TLS_SERVICE_OCSP
%token VAR_TLS_PORT
%token VAR_TLS_AUTH_PORT
%token VAR_TLS_AUTH_XFR_ONLY
%token VAR_TLS_CERT_BUNDLE
%token VAR_PROXY_PROTOCOL_PORT
%token VAR_CPU_AFFINITY
%token VAR_XFRD_CPU_AFFINITY
%token <llng> VAR_SERVER_CPU_AFFINITY
%token VAR_DROP_UPDATES
%token VAR_XFRD_TCP_MAX
%token VAR_XFRD_TCP_PIPELINE
/* dnstap */
%token VAR_DNSTAP
%token VAR_DNSTAP_ENABLE
%token VAR_DNSTAP_SOCKET_PATH
%token VAR_DNSTAP_IP
%token VAR_DNSTAP_TLS
%token VAR_DNSTAP_TLS_SERVER_NAME
%token VAR_DNSTAP_TLS_CERT_BUNDLE
%token VAR_DNSTAP_TLS_CLIENT_KEY_FILE
%token VAR_DNSTAP_TLS_CLIENT_CERT_FILE
%token VAR_DNSTAP_SEND_IDENTITY
%token VAR_DNSTAP_SEND_VERSION
%token VAR_DNSTAP_IDENTITY
%token VAR_DNSTAP_VERSION
%token VAR_DNSTAP_LOG_AUTH_QUERY_MESSAGES
%token VAR_DNSTAP_LOG_AUTH_RESPONSE_MESSAGES
/* remote-control */
%token VAR_REMOTE_CONTROL
%token VAR_CONTROL_ENABLE
%token VAR_CONTROL_INTERFACE
%token VAR_CONTROL_PORT
%token VAR_SERVER_KEY_FILE
%token VAR_SERVER_CERT_FILE
%token VAR_CONTROL_KEY_FILE
%token VAR_CONTROL_CERT_FILE
/* key */
%token VAR_KEY
%token VAR_ALGORITHM
%token VAR_SECRET
/* xot auth */
%token VAR_TLS_AUTH
%token VAR_TLS_AUTH_DOMAIN_NAME
%token VAR_TLS_AUTH_CLIENT_CERT
%token VAR_TLS_AUTH_CLIENT_KEY
%token VAR_TLS_AUTH_CLIENT_KEY_PW
/* pattern */
%token VAR_PATTERN
%token VAR_NAME
%token VAR_ZONEFILE
%token VAR_NOTIFY
%token VAR_PROVIDE_XFR
%token VAR_ALLOW_QUERY
%token VAR_AXFR
%token VAR_UDP
%token VAR_NOTIFY_RETRY
%token VAR_ALLOW_NOTIFY
%token VAR_REQUEST_XFR
%token VAR_ALLOW_AXFR_FALLBACK
%token VAR_OUTGOING_INTERFACE
%token VAR_ANSWER_COOKIE
%token VAR_COOKIE_SECRET
%token VAR_COOKIE_SECRET_FILE
%token VAR_COOKIE_STAGING_SECRET
%token VAR_MAX_REFRESH_TIME
%token VAR_MIN_REFRESH_TIME
%token VAR_MAX_RETRY_TIME
%token VAR_MIN_RETRY_TIME
%token VAR_MIN_EXPIRE_TIME
%token VAR_MULTI_PRIMARY_CHECK
%token VAR_SIZE_LIMIT_XFR
%token VAR_ZONESTATS
%token VAR_INCLUDE_PATTERN
%token VAR_STORE_IXFR
%token VAR_IXFR_SIZE
%token VAR_IXFR_NUMBER
%token VAR_CREATE_IXFR
%token VAR_CATALOG
%token VAR_CATALOG_MEMBER_PATTERN
%token VAR_CATALOG_PRODUCER_ZONE
/* zone */
%token VAR_ZONE
%token VAR_RRL_WHITELIST
/* socket options */
%token VAR_SERVERS
%token VAR_BINDTODEVICE
%token VAR_SETFIB
/* verify */
%token VAR_VERIFY
%token VAR_ENABLE
%token VAR_VERIFY_ZONE
%token VAR_VERIFY_ZONES
%token VAR_VERIFIER
%token VAR_VERIFIER_COUNT
%token VAR_VERIFIER_FEED_ZONE
%token VAR_VERIFIER_TIMEOUT
%%
blocks:
/* may be empty */
| blocks block ;
block:
server
| dnstap
| remote_control
| key
| tls_auth
| pattern
| zone
| verify ;
server:
VAR_SERVER server_block ;
server_block:
server_block server_option | ;
server_option:
VAR_IP_ADDRESS ip_address
{
struct ip_address_option *ip = cfg_parser->opt->ip_addresses;
if(ip == NULL) {
cfg_parser->opt->ip_addresses = $2;
} else {
while(ip->next) { ip = ip->next; }
ip->next = $2;
}
cfg_parser->ip = $2;
}
socket_options
{
cfg_parser->ip = NULL;
}
| VAR_SERVER_COUNT number
{
if ($2 > 0) {
cfg_parser->opt->server_count = (int)$2;
} else {
yyerror("expected a number greater than zero");
}
}
| VAR_IP_TRANSPARENT boolean
{ cfg_parser->opt->ip_transparent = $2; }
| VAR_IP_FREEBIND boolean
{ cfg_parser->opt->ip_freebind = $2; }
| VAR_SEND_BUFFER_SIZE number
{ cfg_parser->opt->send_buffer_size = (int)$2; }
| VAR_RECEIVE_BUFFER_SIZE number
{ cfg_parser->opt->receive_buffer_size = (int)$2; }
| VAR_DEBUG_MODE boolean
{ cfg_parser->opt->debug_mode = $2; }
| VAR_USE_SYSTEMD boolean
{ /* ignored, obsolete */ }
| VAR_HIDE_VERSION boolean
{ cfg_parser->opt->hide_version = $2; }
| VAR_HIDE_IDENTITY boolean
{ cfg_parser->opt->hide_identity = $2; }
| VAR_DROP_UPDATES boolean
{ cfg_parser->opt->drop_updates = $2; }
| VAR_IP4_ONLY boolean
{ if($2) { cfg_parser->opt->do_ip4 = 1; cfg_parser->opt->do_ip6 = 0; } }
| VAR_IP6_ONLY boolean
{ if($2) { cfg_parser->opt->do_ip4 = 0; cfg_parser->opt->do_ip6 = 1; } }
| VAR_DO_IP4 boolean
{ cfg_parser->opt->do_ip4 = $2; }
| VAR_DO_IP6 boolean
{ cfg_parser->opt->do_ip6 = $2; }
| VAR_DATABASE STRING
{ /* ignored, obsolete */ }
| VAR_IDENTITY STRING
{ cfg_parser->opt->identity = region_strdup(cfg_parser->opt->region, $2); }
| VAR_VERSION STRING
{ cfg_parser->opt->version = region_strdup(cfg_parser->opt->region, $2); }
| VAR_NSID STRING
{
unsigned char* nsid = 0;
size_t nsid_len = strlen($2);
if (strncasecmp($2, "ascii_", 6) == 0) {
nsid_len -= 6; /* discard "ascii_" */
if(nsid_len < 65535) {
cfg_parser->opt->nsid = region_alloc(cfg_parser->opt->region, nsid_len*2+1);
hex_ntop((uint8_t*)$2+6, nsid_len, (char*)cfg_parser->opt->nsid, nsid_len*2+1);
} else {
yyerror("NSID too long");
}
} else if (nsid_len % 2 != 0) {
yyerror("the NSID must be a hex string of an even length.");
} else {
nsid_len = nsid_len / 2;
if(nsid_len < 65535) {
nsid = xalloc(nsid_len);
if (hex_pton($2, nsid, nsid_len) == -1) {
yyerror("hex string cannot be parsed in NSID.");
} else {
cfg_parser->opt->nsid = region_strdup(cfg_parser->opt->region, $2);
}
free(nsid);
} else {
yyerror("NSID too long");
}
}
}
| VAR_LOGFILE STRING
{ cfg_parser->opt->logfile = region_strdup(cfg_parser->opt->region, $2); }
| VAR_LOG_ONLY_SYSLOG boolean
{ cfg_parser->opt->log_only_syslog = $2; }
| VAR_TCP_COUNT number
{
if ($2 > 0) {
cfg_parser->opt->tcp_count = (int)$2;
} else {
yyerror("expected a number greater than zero");
}
}
| VAR_TCP_REJECT_OVERFLOW boolean
{ cfg_parser->opt->tcp_reject_overflow = $2; }
| VAR_TCP_QUERY_COUNT number
{ cfg_parser->opt->tcp_query_count = (int)$2; }
| VAR_TCP_TIMEOUT number
{ cfg_parser->opt->tcp_timeout = (int)$2; }
| VAR_TCP_MSS number
{ cfg_parser->opt->tcp_mss = (int)$2; }
| VAR_OUTGOING_TCP_MSS number
{ cfg_parser->opt->outgoing_tcp_mss = (int)$2; }
| VAR_IPV4_EDNS_SIZE number
{ cfg_parser->opt->ipv4_edns_size = (size_t)$2; }
| VAR_IPV6_EDNS_SIZE number
{ cfg_parser->opt->ipv6_edns_size = (size_t)$2; }
| VAR_PIDFILE STRING
{ cfg_parser->opt->pidfile = region_strdup(cfg_parser->opt->region, $2); }
| VAR_PORT number
{
/* port number, stored as a string */
char buf[16];
(void)snprintf(buf, sizeof(buf), "%lld", $2);
cfg_parser->opt->port = region_strdup(cfg_parser->opt->region, buf);
}
| VAR_REUSEPORT boolean
{ cfg_parser->opt->reuseport = $2; }
| VAR_STATISTICS number
{ cfg_parser->opt->statistics = (int)$2; }
| VAR_CHROOT STRING
{ cfg_parser->opt->chroot = region_strdup(cfg_parser->opt->region, $2); }
| VAR_USERNAME STRING
{ cfg_parser->opt->username = region_strdup(cfg_parser->opt->region, $2); }
| VAR_ZONESDIR STRING
{ cfg_parser->opt->zonesdir = region_strdup(cfg_parser->opt->region, $2); }
| VAR_ZONELISTFILE STRING
{ cfg_parser->opt->zonelistfile = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DIFFFILE STRING
{ /* ignored, obsolete */ }
| VAR_XFRDFILE STRING
{ cfg_parser->opt->xfrdfile = region_strdup(cfg_parser->opt->region, $2); }
| VAR_XFRDIR STRING
{ cfg_parser->opt->xfrdir = region_strdup(cfg_parser->opt->region, $2); }
| VAR_XFRD_RELOAD_TIMEOUT number
{ cfg_parser->opt->xfrd_reload_timeout = (int)$2; }
| VAR_VERBOSITY number
{ cfg_parser->opt->verbosity = (int)$2; }
| VAR_RRL_SIZE number
{
#ifdef RATELIMIT
if ($2 > 0) {
cfg_parser->opt->rrl_size = (size_t)$2;
} else {
yyerror("expected a number greater than zero");
}
#endif
}
| VAR_RRL_RATELIMIT number
{
#ifdef RATELIMIT
cfg_parser->opt->rrl_ratelimit = (size_t)$2;
#endif
}
| VAR_RRL_SLIP number
{
#ifdef RATELIMIT
cfg_parser->opt->rrl_slip = (size_t)$2;
#endif
}
| VAR_RRL_IPV4_PREFIX_LENGTH number
{
#ifdef RATELIMIT
if ($2 > 32) {
yyerror("invalid IPv4 prefix length");
} else {
cfg_parser->opt->rrl_ipv4_prefix_length = (size_t)$2;
}
#endif
}
| VAR_RRL_IPV6_PREFIX_LENGTH number
{
#ifdef RATELIMIT
if ($2 > 64) {
yyerror("invalid IPv6 prefix length");
} else {
cfg_parser->opt->rrl_ipv6_prefix_length = (size_t)$2;
}
#endif
}
| VAR_RRL_WHITELIST_RATELIMIT number
{
#ifdef RATELIMIT
cfg_parser->opt->rrl_whitelist_ratelimit = (size_t)$2;
#endif
}
| VAR_RELOAD_CONFIG boolean
{ cfg_parser->opt->reload_config = $2; }
| VAR_ZONEFILES_CHECK boolean
{ cfg_parser->opt->zonefiles_check = $2; }
| VAR_ZONEFILES_WRITE number
{ cfg_parser->opt->zonefiles_write = (int)$2; }
| VAR_LOG_TIME_ASCII boolean
{
cfg_parser->opt->log_time_ascii = $2;
log_time_asc = cfg_parser->opt->log_time_ascii;
}
| VAR_LOG_TIME_ISO boolean
{
cfg_parser->opt->log_time_iso = $2;
log_time_iso = cfg_parser->opt->log_time_iso;
}
| VAR_ROUND_ROBIN boolean
{
cfg_parser->opt->round_robin = $2;
round_robin = cfg_parser->opt->round_robin;
}
| VAR_MINIMAL_RESPONSES boolean
{
cfg_parser->opt->minimal_responses = $2;
minimal_responses = cfg_parser->opt->minimal_responses;
}
| VAR_CONFINE_TO_ZONE boolean
{ cfg_parser->opt->confine_to_zone = $2; }
| VAR_REFUSE_ANY boolean
{ cfg_parser->opt->refuse_any = $2; }
| VAR_TLS_SERVICE_KEY STRING
{ cfg_parser->opt->tls_service_key = region_strdup(cfg_parser->opt->region, $2); }
| VAR_TLS_SERVICE_OCSP STRING
{ cfg_parser->opt->tls_service_ocsp = region_strdup(cfg_parser->opt->region, $2); }
| VAR_TLS_SERVICE_PEM STRING
{ cfg_parser->opt->tls_service_pem = region_strdup(cfg_parser->opt->region, $2); }
| VAR_TLS_PORT number
{
/* port number, stored as string */
char buf[16];
(void)snprintf(buf, sizeof(buf), "%lld", $2);
cfg_parser->opt->tls_port = region_strdup(cfg_parser->opt->region, buf);
}
| VAR_TLS_AUTH_PORT number
{
/* port number, stored as string */
char buf[16];
(void)snprintf(buf, sizeof(buf), "%lld", $2);
cfg_parser->opt->tls_auth_port = region_strdup(cfg_parser->opt->region, buf);
}
| VAR_TLS_AUTH_XFR_ONLY boolean
{
if (!cfg_parser->opt->tls_auth_port) {
yyerror("tls-auth-xfr-only set without or before tls-auth-port");
YYABORT;
}
cfg_parser->opt->tls_auth_xfr_only = $2;
}
| VAR_TLS_CERT_BUNDLE STRING
{ cfg_parser->opt->tls_cert_bundle = region_strdup(cfg_parser->opt->region, $2); }
| VAR_PROXY_PROTOCOL_PORT number
{
struct proxy_protocol_port_list* elem = region_alloc_zero(
cfg_parser->opt->region, sizeof(*elem));
elem->port = $2;
elem->next = cfg_parser->opt->proxy_protocol_port;
cfg_parser->opt->proxy_protocol_port = elem;
}
| VAR_ANSWER_COOKIE boolean
{ cfg_parser->opt->answer_cookie = $2; }
| VAR_COOKIE_SECRET STRING
{
uint8_t secret[32];
ssize_t len = hex_pton($2, secret, NSD_COOKIE_SECRET_SIZE);
if(len != NSD_COOKIE_SECRET_SIZE) {
yyerror("expected a 128 bit hex string");
} else {
cfg_parser->opt->cookie_secret = region_strdup(cfg_parser->opt->region, $2);
}
}
| VAR_COOKIE_STAGING_SECRET STRING
{
uint8_t secret[32];
ssize_t len = hex_pton($2, secret, NSD_COOKIE_SECRET_SIZE);
if(len != NSD_COOKIE_SECRET_SIZE) {
yyerror("expected a 128 bit hex string");
} else {
cfg_parser->opt->cookie_staging_secret = region_strdup(cfg_parser->opt->region, $2);
}
}
| VAR_COOKIE_SECRET_FILE STRING
{
/* Empty filename means explicitly disabled cookies from file, internally
* represented as NULL.
* Note that after parsing, if no value was configured, then
* cookie_secret_file_is_default is still 1, then the default cookie
* secret file value will be assigned to cookie_secret_file.
*/
if(*$2) cfg_parser->opt->cookie_secret_file = region_strdup(cfg_parser->opt->region, $2);
cfg_parser->opt->cookie_secret_file_is_default = 0;
}
| VAR_XFRD_TCP_MAX number
{ cfg_parser->opt->xfrd_tcp_max = (int)$2; }
| VAR_XFRD_TCP_PIPELINE number
{ cfg_parser->opt->xfrd_tcp_pipeline = (int)$2; }
| VAR_CPU_AFFINITY cpus
{
cfg_parser->opt->cpu_affinity = $2;
}
| service_cpu_affinity number
{
if($2 < 0) {
yyerror("expected a non-negative number");
YYABORT;
} else {
struct cpu_map_option *opt, *tail;
opt = cfg_parser->opt->service_cpu_affinity;
while(opt && opt->service != $1) { opt = opt->next; }
if(opt) {
opt->cpu = $2;
} else {
opt = region_alloc_zero(cfg_parser->opt->region, sizeof(*opt));
opt->service = (int)$1;
opt->cpu = (int)$2;
tail = cfg_parser->opt->service_cpu_affinity;
if(tail) {
while(tail->next) { tail = tail->next; }
tail->next = opt;
} else {
cfg_parser->opt->service_cpu_affinity = opt;
}
}
}
}
;
socket_options:
| socket_options socket_option ;
socket_option:
VAR_SERVERS STRING
{
char *tok, *ptr, *str;
struct range_option *servers = NULL;
long long first, last;
/* user may specify "0 1", "0" "1", 0 1 or a combination thereof */
for(str = $2; (tok = strtok_r(str, " \t", &ptr)); str = NULL) {
struct range_option *opt =
region_alloc(cfg_parser->opt->region, sizeof(*opt));
first = last = 0;
if(!parse_range(tok, &first, &last)) {
yyerror("invalid server range '%s'", tok);
YYABORT;
}
assert(first >= 0);
assert(last >= 0);
opt->next = NULL;
opt->first = (int)first;
opt->last = (int)last;
if(servers) {
servers = servers->next = opt;
} else {
servers = cfg_parser->ip->servers = opt;
}
}
}
| VAR_BINDTODEVICE boolean
{ cfg_parser->ip->dev = $2; }
| VAR_SETFIB number
{ cfg_parser->ip->fib = $2; }
;
cpus:
{ $$ = NULL; }
| cpus STRING
{
char *tok, *ptr, *str;
struct cpu_option *tail;
long long cpu;
str = $2;
$$ = tail = $1;
if(tail) {
while(tail->next) { tail = tail->next; }
}
/* Users may specify "0 1", "0" "1", 0 1 or a combination thereof. */
for(str = $2; (tok = strtok_r(str, " \t", &ptr)); str = NULL) {
struct cpu_option *opt =
region_alloc_zero(cfg_parser->opt->region, sizeof(*opt));
cpu = 0;
if(!parse_number(tok, &cpu) || cpu < 0) {
yyerror("expected a positive number");
YYABORT;
}
assert(cpu >=0);
opt->cpu = (int)cpu;
if(tail) {
tail->next = opt;
tail = opt;
} else {
$$ = tail = opt;
}
}
}
;
service_cpu_affinity:
VAR_XFRD_CPU_AFFINITY
{ $$ = -1; }
| VAR_SERVER_CPU_AFFINITY
{
if($1 <= 0) {
yyerror("invalid server identifier");
YYABORT;
}
$$ = $1;
}
;
dnstap:
VAR_DNSTAP dnstap_block ;
dnstap_block:
dnstap_block dnstap_option | ;
dnstap_option:
VAR_DNSTAP_ENABLE boolean
{ cfg_parser->opt->dnstap_enable = $2; }
| VAR_DNSTAP_SOCKET_PATH STRING
{ cfg_parser->opt->dnstap_socket_path = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_IP STRING
{ cfg_parser->opt->dnstap_ip = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_TLS boolean
{ cfg_parser->opt->dnstap_tls = $2; }
| VAR_DNSTAP_TLS_SERVER_NAME STRING
{ cfg_parser->opt->dnstap_tls_server_name = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_TLS_CERT_BUNDLE STRING
{ cfg_parser->opt->dnstap_tls_cert_bundle = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_TLS_CLIENT_KEY_FILE STRING
{ cfg_parser->opt->dnstap_tls_client_key_file = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_TLS_CLIENT_CERT_FILE STRING
{ cfg_parser->opt->dnstap_tls_client_cert_file = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_SEND_IDENTITY boolean
{ cfg_parser->opt->dnstap_send_identity = $2; }
| VAR_DNSTAP_SEND_VERSION boolean
{ cfg_parser->opt->dnstap_send_version = $2; }
| VAR_DNSTAP_IDENTITY STRING
{ cfg_parser->opt->dnstap_identity = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_VERSION STRING
{ cfg_parser->opt->dnstap_version = region_strdup(cfg_parser->opt->region, $2); }
| VAR_DNSTAP_LOG_AUTH_QUERY_MESSAGES boolean
{ cfg_parser->opt->dnstap_log_auth_query_messages = $2; }
| VAR_DNSTAP_LOG_AUTH_RESPONSE_MESSAGES boolean
{ cfg_parser->opt->dnstap_log_auth_response_messages = $2; }
;
remote_control:
VAR_REMOTE_CONTROL remote_control_block ;
remote_control_block:
remote_control_block remote_control_option | ;
remote_control_option:
VAR_CONTROL_ENABLE boolean
{ cfg_parser->opt->control_enable = $2; }
| VAR_CONTROL_INTERFACE ip_address
{
struct ip_address_option *ip = cfg_parser->opt->control_interface;
if(ip == NULL) {
cfg_parser->opt->control_interface = $2;
} else {
while(ip->next != NULL) { ip = ip->next; }
ip->next = $2;
}
}
| VAR_CONTROL_PORT number
{
if($2 == 0) {
yyerror("control port number expected");
} else {
cfg_parser->opt->control_port = (int)$2;
}
}
| VAR_SERVER_KEY_FILE STRING
{ cfg_parser->opt->server_key_file = region_strdup(cfg_parser->opt->region, $2); }
| VAR_SERVER_CERT_FILE STRING
{ cfg_parser->opt->server_cert_file = region_strdup(cfg_parser->opt->region, $2); }
| VAR_CONTROL_KEY_FILE STRING
{ cfg_parser->opt->control_key_file = region_strdup(cfg_parser->opt->region, $2); }
| VAR_CONTROL_CERT_FILE STRING
{ cfg_parser->opt->control_cert_file = region_strdup(cfg_parser->opt->region, $2); }
;
tls_auth:
VAR_TLS_AUTH
{
tls_auth_options_type *tls_auth = tls_auth_options_create(cfg_parser->opt->region);
assert(cfg_parser->tls_auth == NULL);
cfg_parser->tls_auth = tls_auth;
}
tls_auth_block
{
struct tls_auth_options *tls_auth = cfg_parser->tls_auth;
if(tls_auth->name == NULL) {
yyerror("tls-auth has no name");
} else if(tls_auth->auth_domain_name == NULL) {
yyerror("tls-auth %s has no auth-domain-name", tls_auth->name);
} else if(tls_auth_options_find(cfg_parser->opt, tls_auth->name)) {
yyerror("duplicate tls-auth %s", tls_auth->name);
} else {
tls_auth_options_insert(cfg_parser->opt, tls_auth);
cfg_parser->tls_auth = NULL;
}
} ;
tls_auth_block:
tls_auth_block tls_auth_option | ;
tls_auth_option:
VAR_NAME STRING
{
dname_type *dname;
dname = (dname_type *)dname_parse(cfg_parser->opt->region, $2);
cfg_parser->tls_auth->name = region_strdup(cfg_parser->opt->region, $2);
if(dname == NULL) {
yyerror("bad tls-auth name %s", $2);
} else {
region_recycle(cfg_parser->opt->region, dname, dname_total_size(dname));
}
}
| VAR_TLS_AUTH_DOMAIN_NAME STRING
{
cfg_parser->tls_auth->auth_domain_name = region_strdup(cfg_parser->opt->region, $2);
}
| VAR_TLS_AUTH_CLIENT_CERT STRING
{
cfg_parser->tls_auth->client_cert = region_strdup(cfg_parser->opt->region, $2);
}
| VAR_TLS_AUTH_CLIENT_KEY STRING
{
cfg_parser->tls_auth->client_key = region_strdup(cfg_parser->opt->region, $2);
}
| VAR_TLS_AUTH_CLIENT_KEY_PW STRING
{
cfg_parser->tls_auth->client_key_pw = region_strdup(cfg_parser->opt->region, $2);
}
;
key:
VAR_KEY
{
key_options_type *key = key_options_create(cfg_parser->opt->region);
key->algorithm = region_strdup(cfg_parser->opt->region, "sha256");
assert(cfg_parser->key == NULL);
cfg_parser->key = key;
}
key_block
{
struct key_options *key = cfg_parser->key;
if(key->name == NULL) {
yyerror("tsig key has no name");
} else if(key->algorithm == NULL) {
yyerror("tsig key %s has no algorithm", key->name);
} else if(key->secret == NULL) {
yyerror("tsig key %s has no secret blob", key->name);
} else if(key_options_find(cfg_parser->opt, key->name)) {
yyerror("duplicate tsig key %s", key->name);
} else {
key_options_insert(cfg_parser->opt, key);
cfg_parser->key = NULL;
}
} ;
key_block:
key_block key_option | ;
key_option:
VAR_NAME STRING
{
dname_type *dname;
dname = (dname_type *)dname_parse(cfg_parser->opt->region, $2);
cfg_parser->key->name = region_strdup(cfg_parser->opt->region, $2);
if(dname == NULL) {
yyerror("bad tsig key name %s", $2);
} else {
region_recycle(cfg_parser->opt->region, dname, dname_total_size(dname));
}
}
| VAR_ALGORITHM STRING
{
if(tsig_get_algorithm_by_name($2) == NULL) {
yyerror("bad tsig key algorithm %s", $2);
} else {
cfg_parser->key->algorithm = region_strdup(cfg_parser->opt->region, $2);
}
}
| VAR_SECRET STRING
{
uint8_t data[16384];
int size;
cfg_parser->key->secret = region_strdup(cfg_parser->opt->region, $2);
size = b64_pton($2, data, sizeof(data));
if(size == -1) {
yyerror("cannot base64 decode tsig secret %s",
cfg_parser->key->name?
cfg_parser->key->name:"");
} else if(size != 0) {
memset(data, 0xdd, size); /* wipe secret */
}
} ;
zone:
VAR_ZONE
{
assert(cfg_parser->pattern == NULL);
assert(cfg_parser->zone == NULL);
cfg_parser->zone = zone_options_create(cfg_parser->opt->region);
cfg_parser->zone->part_of_config = 1;
cfg_parser->zone->pattern = cfg_parser->pattern =
pattern_options_create(cfg_parser->opt->region);
cfg_parser->zone->pattern->implicit = 1;
}
zone_block
{
assert(cfg_parser->zone != NULL);
if(cfg_parser->zone->name == NULL) {
yyerror("zone has no name");
} else if(!nsd_options_insert_zone(cfg_parser->opt, cfg_parser->zone)) {
yyerror("duplicate zone %s", cfg_parser->zone->name);
} else if(!nsd_options_insert_pattern(cfg_parser->opt, cfg_parser->zone->pattern)) {
yyerror("duplicate pattern %s", cfg_parser->zone->pattern->pname);
}
cfg_parser->pattern = NULL;
cfg_parser->zone = NULL;
} ;
zone_block:
zone_block zone_option | ;
zone_option:
VAR_NAME STRING
{
const char *marker = PATTERN_IMPLICIT_MARKER;
char *pname = region_alloc(cfg_parser->opt->region, strlen($2) + strlen(marker) + 1);
memmove(pname, marker, strlen(marker));
memmove(pname + strlen(marker), $2, strlen($2) + 1);
cfg_parser->zone->pattern->pname = pname;
cfg_parser->zone->name = region_strdup(cfg_parser->opt->region, $2);
if(pattern_options_find(cfg_parser->opt, pname)) {
yyerror("zone %s cannot be created because implicit pattern %s "
"already exists", $2, pname);
}
}
| pattern_or_zone_option ;
pattern:
VAR_PATTERN
{
assert(cfg_parser->pattern == NULL);
cfg_parser->pattern = pattern_options_create(cfg_parser->opt->region);
}
pattern_block
{
pattern_options_type *pattern = cfg_parser->pattern;
if(pattern->pname == NULL) {
yyerror("pattern has no name");
} else if(!nsd_options_insert_pattern(cfg_parser->opt, pattern)) {
yyerror("duplicate pattern %s", pattern->pname);
}
cfg_parser->pattern = NULL;
} ;
pattern_block:
pattern_block pattern_option | ;
pattern_option:
VAR_NAME STRING
{
if(strchr($2, ' ')) {
yyerror("space is not allowed in pattern name: '%s'", $2);
}
cfg_parser->pattern->pname = region_strdup(cfg_parser->opt->region, $2);
}
| pattern_or_zone_option ;
pattern_or_zone_option:
VAR_RRL_WHITELIST STRING
{
#ifdef RATELIMIT
cfg_parser->pattern->rrl_whitelist |= rrlstr2type($2);
#endif
}
| VAR_ZONEFILE STRING
{ cfg_parser->pattern->zonefile = region_strdup(cfg_parser->opt->region, $2); }
| VAR_ZONESTATS STRING
{ cfg_parser->pattern->zonestats = region_strdup(cfg_parser->opt->region, $2); }
| VAR_SIZE_LIMIT_XFR number
{
if($2 > 0) {
cfg_parser->pattern->size_limit_xfr = (int)$2;
} else {
yyerror("expected a number greater than zero");
}
}
| VAR_MULTI_PRIMARY_CHECK boolean
{ cfg_parser->pattern->multi_primary_check = (int)$2; }
| VAR_INCLUDE_PATTERN STRING
{ config_apply_pattern(cfg_parser->pattern, $2); }
| VAR_REQUEST_XFR STRING STRING
{
acl_options_type *acl = parse_acl_info(cfg_parser->opt->region, $2, $3);
if(cfg_parser->pattern->catalog_role == CATALOG_ROLE_PRODUCER)
yyerror("catalog producer zones cannot be secondary zones");
if(acl->blocked)
yyerror("blocked address used for request-xfr");
if(acl->rangetype != acl_range_single)
yyerror("address range used for request-xfr");
append_acl(&cfg_parser->pattern->request_xfr, acl);
}
request_xfr_tlsauth_option
{ }
| VAR_REQUEST_XFR VAR_AXFR STRING STRING
{
acl_options_type *acl = parse_acl_info(cfg_parser->opt->region, $3, $4);
acl->use_axfr_only = 1;
if(acl->blocked)
yyerror("blocked address used for request-xfr");
if(acl->rangetype != acl_range_single)
yyerror("address range used for request-xfr");
append_acl(&cfg_parser->pattern->request_xfr, acl);
}
request_xfr_tlsauth_option
{ }
| VAR_REQUEST_XFR VAR_UDP STRING STRING
{
acl_options_type *acl = parse_acl_info(cfg_parser->opt->region, $3, $4);
acl->allow_udp = 1;
if(acl->blocked)
yyerror("blocked address used for request-xfr");