3 * configlexer.lex - lexical analyzer for unbound config file
5 * Copyright (c) 2001-2006, NLnet Labs. All rights reserved
7 * See LICENSE for the license.
12 /* because flex keeps having sign-unsigned compare problems that are unfixed*/
13 #if defined(__clang__)||(defined(__GNUC__)&&((__GNUC__ >4)||(defined(__GNUC_MINOR__)&&(__GNUC__ ==4)&&(__GNUC_MINOR__ >=2))))
14 #pragma GCC diagnostic ignored "-Wsign-compare"
23 #include "util/config_file.h"
24 #include "configparser.h"
25 void ub_c_error(const char *message);
28 #define LEXOUT(s) printf s /* used ONLY when debugging */
33 /** avoid warning in about fwrite return value */
34 #define ECHO ub_c_error_msg("syntax error at text: %s", ub_c_text)
36 /** A parser variable, this is a statement in the config file which is
37 * of the form variable: value1 value2 ... nargs is the number of values. */
38 #define YDVAR(nargs, var) \
40 LEXOUT(("v(%s%d) ", ub_c_text, num_args)); \
41 if(num_args > 0) { BEGIN(val); } \
47 YY_BUFFER_STATE buffer;
48 struct inc_state* next;
50 static struct inc_state* config_include_stack = NULL;
51 static int inc_depth = 0;
52 static int inc_prev = 0;
53 static int num_args = 0;
55 void init_cfg_parse(void)
57 config_include_stack = NULL;
63 static void config_start_include(const char* filename)
68 if(inc_depth++ > 100000) {
69 ub_c_error_msg("too many include files");
72 if(*filename == '\0') {
73 ub_c_error_msg("empty include file name");
76 s = (struct inc_state*)malloc(sizeof(*s));
78 ub_c_error_msg("include %s: malloc failure", filename);
81 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
82 strlen(cfg_parser->chroot)) == 0) {
83 filename += strlen(cfg_parser->chroot);
85 nm = strdup(filename);
87 ub_c_error_msg("include %s: strdup failure", filename);
91 input = fopen(filename, "r");
93 ub_c_error_msg("cannot open include file '%s': %s",
94 filename, strerror(errno));
99 LEXOUT(("switch_to_include_file(%s)\n", filename));
100 s->filename = cfg_parser->filename;
101 s->line = cfg_parser->line;
102 s->buffer = YY_CURRENT_BUFFER;
103 s->next = config_include_stack;
104 config_include_stack = s;
105 cfg_parser->filename = nm;
106 cfg_parser->line = 1;
107 yy_switch_to_buffer(yy_create_buffer(input, YY_BUF_SIZE));
110 static void config_start_include_glob(const char* filename)
113 /* check for wildcards */
117 if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') &&
118 !strchr(filename, '{') && !strchr(filename, '~'))) {
123 /* do not set GLOB_NOSORT so the results are sorted
124 and in a predictable order. */
132 memset(&g, 0, sizeof(g));
133 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
134 strlen(cfg_parser->chroot)) == 0) {
135 filename += strlen(cfg_parser->chroot);
137 r = glob(filename, flags, NULL, &g);
141 if(r == GLOB_NOMATCH)
142 return; /* no matches for pattern */
143 config_start_include(filename); /* let original deal with it */
146 /* process files found, if any */
147 for(i=(int)g.gl_pathc-1; i>=0; i--) {
148 config_start_include(g.gl_pathv[i]);
153 #endif /* HAVE_GLOB */
155 config_start_include(filename);
158 static void config_end_include(void)
160 struct inc_state* s = config_include_stack;
163 free(cfg_parser->filename);
164 cfg_parser->filename = s->filename;
165 cfg_parser->line = s->line;
166 yy_delete_buffer(YY_CURRENT_BUFFER);
167 yy_switch_to_buffer(s->buffer);
168 config_include_stack = s->next;
172 #ifndef yy_set_bol /* compat definition, for flex 2.4.6 */
173 #define yy_set_bol(at_bol) \
175 if ( ! yy_current_buffer ) \
176 yy_current_buffer = yy_create_buffer( ub_c_in, YY_BUF_SIZE ); \
177 yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \
186 #define YY_NO_UNPUT 1
189 #define YY_NO_INPUT 1
195 UNQUOTEDLETTER [^\'\"\n\r \t\\]|\\.
196 UNQUOTEDLETTER_NOCOLON [^\:\'\"\n\r \t\\]|\\.
200 DQANY [^\"\n\r\\]|\\.
201 SQANY [^\'\n\r\\]|\\.
203 %x quotedstring singlequotedstr include include_quoted val
206 <INITIAL,val>{SPACE}* {
207 LEXOUT(("SP ")); /* ignore */ }
208 <INITIAL,val>{SPACE}*{COMMENT}.* {
209 /* note that flex makes the longest match and '.' is any but not nl */
210 LEXOUT(("comment(%s) ", ub_c_text)); /* ignore */ }
211 server{COLON} { YDVAR(0, VAR_SERVER) }
212 qname-minimisation{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION) }
213 qname-minimisation-strict{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION_STRICT) }
214 num-threads{COLON} { YDVAR(1, VAR_NUM_THREADS) }
215 verbosity{COLON} { YDVAR(1, VAR_VERBOSITY) }
216 port{COLON} { YDVAR(1, VAR_PORT) }
217 outgoing-range{COLON} { YDVAR(1, VAR_OUTGOING_RANGE) }
218 outgoing-port-permit{COLON} { YDVAR(1, VAR_OUTGOING_PORT_PERMIT) }
219 outgoing-port-avoid{COLON} { YDVAR(1, VAR_OUTGOING_PORT_AVOID) }
220 outgoing-num-tcp{COLON} { YDVAR(1, VAR_OUTGOING_NUM_TCP) }
221 incoming-num-tcp{COLON} { YDVAR(1, VAR_INCOMING_NUM_TCP) }
222 do-ip4{COLON} { YDVAR(1, VAR_DO_IP4) }
223 do-ip6{COLON} { YDVAR(1, VAR_DO_IP6) }
224 prefer-ip6{COLON} { YDVAR(1, VAR_PREFER_IP6) }
225 do-udp{COLON} { YDVAR(1, VAR_DO_UDP) }
226 do-tcp{COLON} { YDVAR(1, VAR_DO_TCP) }
227 tcp-upstream{COLON} { YDVAR(1, VAR_TCP_UPSTREAM) }
228 tcp-mss{COLON} { YDVAR(1, VAR_TCP_MSS) }
229 outgoing-tcp-mss{COLON} { YDVAR(1, VAR_OUTGOING_TCP_MSS) }
230 tcp-idle-timeout{COLON} { YDVAR(1, VAR_TCP_IDLE_TIMEOUT) }
231 edns-tcp-keepalive{COLON} { YDVAR(1, VAR_EDNS_TCP_KEEPALIVE) }
232 edns-tcp-keepalive-timeout{COLON} { YDVAR(1, VAR_EDNS_TCP_KEEPALIVE_TIMEOUT) }
233 ssl-upstream{COLON} { YDVAR(1, VAR_SSL_UPSTREAM) }
234 tls-upstream{COLON} { YDVAR(1, VAR_SSL_UPSTREAM) }
235 ssl-service-key{COLON} { YDVAR(1, VAR_SSL_SERVICE_KEY) }
236 tls-service-key{COLON} { YDVAR(1, VAR_SSL_SERVICE_KEY) }
237 ssl-service-pem{COLON} { YDVAR(1, VAR_SSL_SERVICE_PEM) }
238 tls-service-pem{COLON} { YDVAR(1, VAR_SSL_SERVICE_PEM) }
239 ssl-port{COLON} { YDVAR(1, VAR_SSL_PORT) }
240 tls-port{COLON} { YDVAR(1, VAR_SSL_PORT) }
241 ssl-cert-bundle{COLON} { YDVAR(1, VAR_TLS_CERT_BUNDLE) }
242 tls-cert-bundle{COLON} { YDVAR(1, VAR_TLS_CERT_BUNDLE) }
243 tls-win-cert{COLON} { YDVAR(1, VAR_TLS_WIN_CERT) }
244 additional-ssl-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) }
245 additional-tls-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) }
246 tls-additional-ports{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) }
247 tls-additional-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) }
248 tls-session-ticket-keys{COLON} { YDVAR(1, VAR_TLS_SESSION_TICKET_KEYS) }
249 tls-ciphers{COLON} { YDVAR(1, VAR_TLS_CIPHERS) }
250 tls-ciphersuites{COLON} { YDVAR(1, VAR_TLS_CIPHERSUITES) }
251 use-systemd{COLON} { YDVAR(1, VAR_USE_SYSTEMD) }
252 do-daemonize{COLON} { YDVAR(1, VAR_DO_DAEMONIZE) }
253 interface{COLON} { YDVAR(1, VAR_INTERFACE) }
254 ip-address{COLON} { YDVAR(1, VAR_INTERFACE) }
255 outgoing-interface{COLON} { YDVAR(1, VAR_OUTGOING_INTERFACE) }
256 interface-automatic{COLON} { YDVAR(1, VAR_INTERFACE_AUTOMATIC) }
257 so-rcvbuf{COLON} { YDVAR(1, VAR_SO_RCVBUF) }
258 so-sndbuf{COLON} { YDVAR(1, VAR_SO_SNDBUF) }
259 so-reuseport{COLON} { YDVAR(1, VAR_SO_REUSEPORT) }
260 ip-transparent{COLON} { YDVAR(1, VAR_IP_TRANSPARENT) }
261 ip-freebind{COLON} { YDVAR(1, VAR_IP_FREEBIND) }
262 chroot{COLON} { YDVAR(1, VAR_CHROOT) }
263 username{COLON} { YDVAR(1, VAR_USERNAME) }
264 directory{COLON} { YDVAR(1, VAR_DIRECTORY) }
265 logfile{COLON} { YDVAR(1, VAR_LOGFILE) }
266 pidfile{COLON} { YDVAR(1, VAR_PIDFILE) }
267 root-hints{COLON} { YDVAR(1, VAR_ROOT_HINTS) }
268 stream-wait-size{COLON} { YDVAR(1, VAR_STREAM_WAIT_SIZE) }
269 edns-buffer-size{COLON} { YDVAR(1, VAR_EDNS_BUFFER_SIZE) }
270 msg-buffer-size{COLON} { YDVAR(1, VAR_MSG_BUFFER_SIZE) }
271 msg-cache-size{COLON} { YDVAR(1, VAR_MSG_CACHE_SIZE) }
272 msg-cache-slabs{COLON} { YDVAR(1, VAR_MSG_CACHE_SLABS) }
273 rrset-cache-size{COLON} { YDVAR(1, VAR_RRSET_CACHE_SIZE) }
274 rrset-cache-slabs{COLON} { YDVAR(1, VAR_RRSET_CACHE_SLABS) }
275 cache-max-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_TTL) }
276 cache-max-negative-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_NEGATIVE_TTL) }
277 cache-min-ttl{COLON} { YDVAR(1, VAR_CACHE_MIN_TTL) }
278 infra-host-ttl{COLON} { YDVAR(1, VAR_INFRA_HOST_TTL) }
279 infra-lame-ttl{COLON} { YDVAR(1, VAR_INFRA_LAME_TTL) }
280 infra-cache-slabs{COLON} { YDVAR(1, VAR_INFRA_CACHE_SLABS) }
281 infra-cache-numhosts{COLON} { YDVAR(1, VAR_INFRA_CACHE_NUMHOSTS) }
282 infra-cache-lame-size{COLON} { YDVAR(1, VAR_INFRA_CACHE_LAME_SIZE) }
283 infra-cache-min-rtt{COLON} { YDVAR(1, VAR_INFRA_CACHE_MIN_RTT) }
284 num-queries-per-thread{COLON} { YDVAR(1, VAR_NUM_QUERIES_PER_THREAD) }
285 jostle-timeout{COLON} { YDVAR(1, VAR_JOSTLE_TIMEOUT) }
286 delay-close{COLON} { YDVAR(1, VAR_DELAY_CLOSE) }
287 target-fetch-policy{COLON} { YDVAR(1, VAR_TARGET_FETCH_POLICY) }
288 harden-short-bufsize{COLON} { YDVAR(1, VAR_HARDEN_SHORT_BUFSIZE) }
289 harden-large-queries{COLON} { YDVAR(1, VAR_HARDEN_LARGE_QUERIES) }
290 harden-glue{COLON} { YDVAR(1, VAR_HARDEN_GLUE) }
291 harden-dnssec-stripped{COLON} { YDVAR(1, VAR_HARDEN_DNSSEC_STRIPPED) }
292 harden-below-nxdomain{COLON} { YDVAR(1, VAR_HARDEN_BELOW_NXDOMAIN) }
293 harden-referral-path{COLON} { YDVAR(1, VAR_HARDEN_REFERRAL_PATH) }
294 harden-algo-downgrade{COLON} { YDVAR(1, VAR_HARDEN_ALGO_DOWNGRADE) }
295 use-caps-for-id{COLON} { YDVAR(1, VAR_USE_CAPS_FOR_ID) }
296 caps-whitelist{COLON} { YDVAR(1, VAR_CAPS_WHITELIST) }
297 unwanted-reply-threshold{COLON} { YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) }
298 private-address{COLON} { YDVAR(1, VAR_PRIVATE_ADDRESS) }
299 private-domain{COLON} { YDVAR(1, VAR_PRIVATE_DOMAIN) }
300 prefetch-key{COLON} { YDVAR(1, VAR_PREFETCH_KEY) }
301 prefetch{COLON} { YDVAR(1, VAR_PREFETCH) }
302 deny-any{COLON} { YDVAR(1, VAR_DENY_ANY) }
303 stub-zone{COLON} { YDVAR(0, VAR_STUB_ZONE) }
304 name{COLON} { YDVAR(1, VAR_NAME) }
305 stub-addr{COLON} { YDVAR(1, VAR_STUB_ADDR) }
306 stub-host{COLON} { YDVAR(1, VAR_STUB_HOST) }
307 stub-prime{COLON} { YDVAR(1, VAR_STUB_PRIME) }
308 stub-first{COLON} { YDVAR(1, VAR_STUB_FIRST) }
309 stub-no-cache{COLON} { YDVAR(1, VAR_STUB_NO_CACHE) }
310 stub-ssl-upstream{COLON} { YDVAR(1, VAR_STUB_SSL_UPSTREAM) }
311 stub-tls-upstream{COLON} { YDVAR(1, VAR_STUB_SSL_UPSTREAM) }
312 forward-zone{COLON} { YDVAR(0, VAR_FORWARD_ZONE) }
313 forward-addr{COLON} { YDVAR(1, VAR_FORWARD_ADDR) }
314 forward-host{COLON} { YDVAR(1, VAR_FORWARD_HOST) }
315 forward-first{COLON} { YDVAR(1, VAR_FORWARD_FIRST) }
316 forward-no-cache{COLON} { YDVAR(1, VAR_FORWARD_NO_CACHE) }
317 forward-ssl-upstream{COLON} { YDVAR(1, VAR_FORWARD_SSL_UPSTREAM) }
318 forward-tls-upstream{COLON} { YDVAR(1, VAR_FORWARD_SSL_UPSTREAM) }
319 auth-zone{COLON} { YDVAR(0, VAR_AUTH_ZONE) }
320 rpz{COLON} { YDVAR(0, VAR_RPZ) }
321 tags{COLON} { YDVAR(1, VAR_TAGS) }
322 rpz-action-override{COLON} { YDVAR(1, VAR_RPZ_ACTION_OVERRIDE) }
323 rpz-cname-override{COLON} { YDVAR(1, VAR_RPZ_CNAME_OVERRIDE) }
324 rpz-log{COLON} { YDVAR(1, VAR_RPZ_LOG) }
325 rpz-log-name{COLON} { YDVAR(1, VAR_RPZ_LOG_NAME) }
326 zonefile{COLON} { YDVAR(1, VAR_ZONEFILE) }
327 master{COLON} { YDVAR(1, VAR_MASTER) }
328 url{COLON} { YDVAR(1, VAR_URL) }
329 allow-notify{COLON} { YDVAR(1, VAR_ALLOW_NOTIFY) }
330 for-downstream{COLON} { YDVAR(1, VAR_FOR_DOWNSTREAM) }
331 for-upstream{COLON} { YDVAR(1, VAR_FOR_UPSTREAM) }
332 fallback-enabled{COLON} { YDVAR(1, VAR_FALLBACK_ENABLED) }
333 view{COLON} { YDVAR(0, VAR_VIEW) }
334 view-first{COLON} { YDVAR(1, VAR_VIEW_FIRST) }
335 do-not-query-address{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_ADDRESS) }
336 do-not-query-localhost{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_LOCALHOST) }
337 access-control{COLON} { YDVAR(2, VAR_ACCESS_CONTROL) }
338 send-client-subnet{COLON} { YDVAR(1, VAR_SEND_CLIENT_SUBNET) }
339 client-subnet-zone{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_ZONE) }
340 client-subnet-always-forward{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_ALWAYS_FORWARD) }
341 client-subnet-opcode{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_OPCODE) }
342 max-client-subnet-ipv4{COLON} { YDVAR(1, VAR_MAX_CLIENT_SUBNET_IPV4) }
343 max-client-subnet-ipv6{COLON} { YDVAR(1, VAR_MAX_CLIENT_SUBNET_IPV6) }
344 min-client-subnet-ipv4{COLON} { YDVAR(1, VAR_MIN_CLIENT_SUBNET_IPV4) }
345 min-client-subnet-ipv6{COLON} { YDVAR(1, VAR_MIN_CLIENT_SUBNET_IPV6) }
346 max-ecs-tree-size-ipv4{COLON} { YDVAR(1, VAR_MAX_ECS_TREE_SIZE_IPV4) }
347 max-ecs-tree-size-ipv6{COLON} { YDVAR(1, VAR_MAX_ECS_TREE_SIZE_IPV6) }
348 hide-identity{COLON} { YDVAR(1, VAR_HIDE_IDENTITY) }
349 hide-version{COLON} { YDVAR(1, VAR_HIDE_VERSION) }
350 hide-trustanchor{COLON} { YDVAR(1, VAR_HIDE_TRUSTANCHOR) }
351 identity{COLON} { YDVAR(1, VAR_IDENTITY) }
352 version{COLON} { YDVAR(1, VAR_VERSION) }
353 module-config{COLON} { YDVAR(1, VAR_MODULE_CONF) }
354 dlv-anchor{COLON} { YDVAR(1, VAR_DLV_ANCHOR) }
355 dlv-anchor-file{COLON} { YDVAR(1, VAR_DLV_ANCHOR_FILE) }
356 trust-anchor-file{COLON} { YDVAR(1, VAR_TRUST_ANCHOR_FILE) }
357 auto-trust-anchor-file{COLON} { YDVAR(1, VAR_AUTO_TRUST_ANCHOR_FILE) }
358 trusted-keys-file{COLON} { YDVAR(1, VAR_TRUSTED_KEYS_FILE) }
359 trust-anchor{COLON} { YDVAR(1, VAR_TRUST_ANCHOR) }
360 trust-anchor-signaling{COLON} { YDVAR(1, VAR_TRUST_ANCHOR_SIGNALING) }
361 root-key-sentinel{COLON} { YDVAR(1, VAR_ROOT_KEY_SENTINEL) }
362 val-override-date{COLON} { YDVAR(1, VAR_VAL_OVERRIDE_DATE) }
363 val-sig-skew-min{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MIN) }
364 val-sig-skew-max{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MAX) }
365 val-bogus-ttl{COLON} { YDVAR(1, VAR_BOGUS_TTL) }
366 val-clean-additional{COLON} { YDVAR(1, VAR_VAL_CLEAN_ADDITIONAL) }
367 val-permissive-mode{COLON} { YDVAR(1, VAR_VAL_PERMISSIVE_MODE) }
368 aggressive-nsec{COLON} { YDVAR(1, VAR_AGGRESSIVE_NSEC) }
369 ignore-cd-flag{COLON} { YDVAR(1, VAR_IGNORE_CD_FLAG) }
370 serve-expired{COLON} { YDVAR(1, VAR_SERVE_EXPIRED) }
371 serve-expired-ttl{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_TTL) }
372 serve-expired-ttl-reset{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_TTL_RESET) }
373 serve-expired-reply-ttl{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_REPLY_TTL) }
374 serve-expired-client-timeout{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_CLIENT_TIMEOUT) }
375 fake-dsa{COLON} { YDVAR(1, VAR_FAKE_DSA) }
376 fake-sha1{COLON} { YDVAR(1, VAR_FAKE_SHA1) }
377 val-log-level{COLON} { YDVAR(1, VAR_VAL_LOG_LEVEL) }
378 key-cache-size{COLON} { YDVAR(1, VAR_KEY_CACHE_SIZE) }
379 key-cache-slabs{COLON} { YDVAR(1, VAR_KEY_CACHE_SLABS) }
380 neg-cache-size{COLON} { YDVAR(1, VAR_NEG_CACHE_SIZE) }
381 val-nsec3-keysize-iterations{COLON} {
382 YDVAR(1, VAR_VAL_NSEC3_KEYSIZE_ITERATIONS) }
383 add-holddown{COLON} { YDVAR(1, VAR_ADD_HOLDDOWN) }
384 del-holddown{COLON} { YDVAR(1, VAR_DEL_HOLDDOWN) }
385 keep-missing{COLON} { YDVAR(1, VAR_KEEP_MISSING) }
386 permit-small-holddown{COLON} { YDVAR(1, VAR_PERMIT_SMALL_HOLDDOWN) }
387 use-syslog{COLON} { YDVAR(1, VAR_USE_SYSLOG) }
388 log-identity{COLON} { YDVAR(1, VAR_LOG_IDENTITY) }
389 log-time-ascii{COLON} { YDVAR(1, VAR_LOG_TIME_ASCII) }
390 log-queries{COLON} { YDVAR(1, VAR_LOG_QUERIES) }
391 log-replies{COLON} { YDVAR(1, VAR_LOG_REPLIES) }
392 log-tag-queryreply{COLON} { YDVAR(1, VAR_LOG_TAG_QUERYREPLY) }
393 log-local-actions{COLON} { YDVAR(1, VAR_LOG_LOCAL_ACTIONS) }
394 log-servfail{COLON} { YDVAR(1, VAR_LOG_SERVFAIL) }
395 local-zone{COLON} { YDVAR(2, VAR_LOCAL_ZONE) }
396 local-data{COLON} { YDVAR(1, VAR_LOCAL_DATA) }
397 local-data-ptr{COLON} { YDVAR(1, VAR_LOCAL_DATA_PTR) }
398 unblock-lan-zones{COLON} { YDVAR(1, VAR_UNBLOCK_LAN_ZONES) }
399 insecure-lan-zones{COLON} { YDVAR(1, VAR_INSECURE_LAN_ZONES) }
400 statistics-interval{COLON} { YDVAR(1, VAR_STATISTICS_INTERVAL) }
401 statistics-cumulative{COLON} { YDVAR(1, VAR_STATISTICS_CUMULATIVE) }
402 extended-statistics{COLON} { YDVAR(1, VAR_EXTENDED_STATISTICS) }
403 shm-enable{COLON} { YDVAR(1, VAR_SHM_ENABLE) }
404 shm-key{COLON} { YDVAR(1, VAR_SHM_KEY) }
405 remote-control{COLON} { YDVAR(0, VAR_REMOTE_CONTROL) }
406 control-enable{COLON} { YDVAR(1, VAR_CONTROL_ENABLE) }
407 control-interface{COLON} { YDVAR(1, VAR_CONTROL_INTERFACE) }
408 control-port{COLON} { YDVAR(1, VAR_CONTROL_PORT) }
409 control-use-cert{COLON} { YDVAR(1, VAR_CONTROL_USE_CERT) }
410 server-key-file{COLON} { YDVAR(1, VAR_SERVER_KEY_FILE) }
411 server-cert-file{COLON} { YDVAR(1, VAR_SERVER_CERT_FILE) }
412 control-key-file{COLON} { YDVAR(1, VAR_CONTROL_KEY_FILE) }
413 control-cert-file{COLON} { YDVAR(1, VAR_CONTROL_CERT_FILE) }
414 python-script{COLON} { YDVAR(1, VAR_PYTHON_SCRIPT) }
415 python{COLON} { YDVAR(0, VAR_PYTHON) }
416 domain-insecure{COLON} { YDVAR(1, VAR_DOMAIN_INSECURE) }
417 minimal-responses{COLON} { YDVAR(1, VAR_MINIMAL_RESPONSES) }
418 rrset-roundrobin{COLON} { YDVAR(1, VAR_RRSET_ROUNDROBIN) }
419 unknown-server-time-limit{COLON} { YDVAR(1, VAR_UNKNOWN_SERVER_TIME_LIMIT) }
420 max-udp-size{COLON} { YDVAR(1, VAR_MAX_UDP_SIZE) }
421 dns64-prefix{COLON} { YDVAR(1, VAR_DNS64_PREFIX) }
422 dns64-synthall{COLON} { YDVAR(1, VAR_DNS64_SYNTHALL) }
423 dns64-ignore-aaaa{COLON} { YDVAR(1, VAR_DNS64_IGNORE_AAAA) }
424 define-tag{COLON} { YDVAR(1, VAR_DEFINE_TAG) }
425 local-zone-tag{COLON} { YDVAR(2, VAR_LOCAL_ZONE_TAG) }
426 access-control-tag{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_TAG) }
427 access-control-tag-action{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_ACTION) }
428 access-control-tag-data{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_DATA) }
429 access-control-view{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_VIEW) }
430 local-zone-override{COLON} { YDVAR(3, VAR_LOCAL_ZONE_OVERRIDE) }
431 dnstap{COLON} { YDVAR(0, VAR_DNSTAP) }
432 dnstap-enable{COLON} { YDVAR(1, VAR_DNSTAP_ENABLE) }
433 dnstap-socket-path{COLON} { YDVAR(1, VAR_DNSTAP_SOCKET_PATH) }
434 dnstap-send-identity{COLON} { YDVAR(1, VAR_DNSTAP_SEND_IDENTITY) }
435 dnstap-send-version{COLON} { YDVAR(1, VAR_DNSTAP_SEND_VERSION) }
436 dnstap-identity{COLON} { YDVAR(1, VAR_DNSTAP_IDENTITY) }
437 dnstap-version{COLON} { YDVAR(1, VAR_DNSTAP_VERSION) }
438 dnstap-log-resolver-query-messages{COLON} {
439 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES) }
440 dnstap-log-resolver-response-messages{COLON} {
441 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES) }
442 dnstap-log-client-query-messages{COLON} {
443 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES) }
444 dnstap-log-client-response-messages{COLON} {
445 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES) }
446 dnstap-log-forwarder-query-messages{COLON} {
447 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES) }
448 dnstap-log-forwarder-response-messages{COLON} {
449 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES) }
450 disable-dnssec-lame-check{COLON} { YDVAR(1, VAR_DISABLE_DNSSEC_LAME_CHECK) }
451 ip-ratelimit{COLON} { YDVAR(1, VAR_IP_RATELIMIT) }
452 ratelimit{COLON} { YDVAR(1, VAR_RATELIMIT) }
453 ip-ratelimit-slabs{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SLABS) }
454 ratelimit-slabs{COLON} { YDVAR(1, VAR_RATELIMIT_SLABS) }
455 ip-ratelimit-size{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SIZE) }
456 ratelimit-size{COLON} { YDVAR(1, VAR_RATELIMIT_SIZE) }
457 ratelimit-for-domain{COLON} { YDVAR(2, VAR_RATELIMIT_FOR_DOMAIN) }
458 ratelimit-below-domain{COLON} { YDVAR(2, VAR_RATELIMIT_BELOW_DOMAIN) }
459 ip-ratelimit-factor{COLON} { YDVAR(1, VAR_IP_RATELIMIT_FACTOR) }
460 ratelimit-factor{COLON} { YDVAR(1, VAR_RATELIMIT_FACTOR) }
461 low-rtt{COLON} { YDVAR(1, VAR_LOW_RTT) }
462 fast-server-num{COLON} { YDVAR(1, VAR_FAST_SERVER_NUM) }
463 low-rtt-pct{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) }
464 low-rtt-permil{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) }
465 fast-server-permil{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) }
466 response-ip-tag{COLON} { YDVAR(2, VAR_RESPONSE_IP_TAG) }
467 response-ip{COLON} { YDVAR(2, VAR_RESPONSE_IP) }
468 response-ip-data{COLON} { YDVAR(2, VAR_RESPONSE_IP_DATA) }
469 dnscrypt{COLON} { YDVAR(0, VAR_DNSCRYPT) }
470 dnscrypt-enable{COLON} { YDVAR(1, VAR_DNSCRYPT_ENABLE) }
471 dnscrypt-port{COLON} { YDVAR(1, VAR_DNSCRYPT_PORT) }
472 dnscrypt-provider{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER) }
473 dnscrypt-secret-key{COLON} { YDVAR(1, VAR_DNSCRYPT_SECRET_KEY) }
474 dnscrypt-provider-cert{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER_CERT) }
475 dnscrypt-provider-cert-rotated{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER_CERT_ROTATED) }
476 dnscrypt-shared-secret-cache-size{COLON} {
477 YDVAR(1, VAR_DNSCRYPT_SHARED_SECRET_CACHE_SIZE) }
478 dnscrypt-shared-secret-cache-slabs{COLON} {
479 YDVAR(1, VAR_DNSCRYPT_SHARED_SECRET_CACHE_SLABS) }
480 dnscrypt-nonce-cache-size{COLON} { YDVAR(1, VAR_DNSCRYPT_NONCE_CACHE_SIZE) }
481 dnscrypt-nonce-cache-slabs{COLON} { YDVAR(1, VAR_DNSCRYPT_NONCE_CACHE_SLABS) }
482 ipsecmod-enabled{COLON} { YDVAR(1, VAR_IPSECMOD_ENABLED) }
483 ipsecmod-ignore-bogus{COLON} { YDVAR(1, VAR_IPSECMOD_IGNORE_BOGUS) }
484 ipsecmod-hook{COLON} { YDVAR(1, VAR_IPSECMOD_HOOK) }
485 ipsecmod-max-ttl{COLON} { YDVAR(1, VAR_IPSECMOD_MAX_TTL) }
486 ipsecmod-whitelist{COLON} { YDVAR(1, VAR_IPSECMOD_WHITELIST) }
487 ipsecmod-strict{COLON} { YDVAR(1, VAR_IPSECMOD_STRICT) }
488 cachedb{COLON} { YDVAR(0, VAR_CACHEDB) }
489 backend{COLON} { YDVAR(1, VAR_CACHEDB_BACKEND) }
490 secret-seed{COLON} { YDVAR(1, VAR_CACHEDB_SECRETSEED) }
491 redis-server-host{COLON} { YDVAR(1, VAR_CACHEDB_REDISHOST) }
492 redis-server-port{COLON} { YDVAR(1, VAR_CACHEDB_REDISPORT) }
493 redis-timeout{COLON} { YDVAR(1, VAR_CACHEDB_REDISTIMEOUT) }
494 ipset{COLON} { YDVAR(0, VAR_IPSET) }
495 name-v4{COLON} { YDVAR(1, VAR_IPSET_NAME_V4) }
496 name-v6{COLON} { YDVAR(1, VAR_IPSET_NAME_V6) }
497 udp-upstream-without-downstream{COLON} { YDVAR(1, VAR_UDP_UPSTREAM_WITHOUT_DOWNSTREAM) }
498 tcp-connection-limit{COLON} { YDVAR(2, VAR_TCP_CONNECTION_LIMIT) }
499 <INITIAL,val>{NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++; }
501 /* Quoted strings. Strip leading and ending quotes */
502 <val>\" { BEGIN(quotedstring); LEXOUT(("QS ")); }
503 <quotedstring><<EOF>> {
504 ub_c_error("EOF inside quoted string");
505 if(--num_args == 0) { BEGIN(INITIAL); }
508 <quotedstring>{DQANY}* { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
509 <quotedstring>{NEWLINE} { ub_c_error("newline inside quoted string, no end \"");
510 cfg_parser->line++; BEGIN(INITIAL); }
513 if(--num_args == 0) { BEGIN(INITIAL); }
515 ub_c_text[ub_c_leng - 1] = '\0';
516 ub_c_lval.str = strdup(ub_c_text);
518 ub_c_error("out of memory");
522 /* Single Quoted strings. Strip leading and ending quotes */
523 <val>\' { BEGIN(singlequotedstr); LEXOUT(("SQS ")); }
524 <singlequotedstr><<EOF>> {
525 ub_c_error("EOF inside quoted string");
526 if(--num_args == 0) { BEGIN(INITIAL); }
529 <singlequotedstr>{SQANY}* { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
530 <singlequotedstr>{NEWLINE} { ub_c_error("newline inside quoted string, no end '");
531 cfg_parser->line++; BEGIN(INITIAL); }
532 <singlequotedstr>\' {
534 if(--num_args == 0) { BEGIN(INITIAL); }
536 ub_c_text[ub_c_leng - 1] = '\0';
537 ub_c_lval.str = strdup(ub_c_text);
539 ub_c_error("out of memory");
543 /* include: directive */
544 <INITIAL,val>include{COLON} {
545 LEXOUT(("v(%s) ", ub_c_text)); inc_prev = YYSTATE; BEGIN(include); }
547 ub_c_error("EOF inside include directive");
550 <include>{SPACE}* { LEXOUT(("ISP ")); /* ignore */ }
551 <include>{NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++;}
552 <include>\" { LEXOUT(("IQS ")); BEGIN(include_quoted); }
553 <include>{UNQUOTEDLETTER}* {
554 LEXOUT(("Iunquotedstr(%s) ", ub_c_text));
555 config_start_include_glob(ub_c_text);
558 <include_quoted><<EOF>> {
559 ub_c_error("EOF inside quoted string");
562 <include_quoted>{DQANY}* { LEXOUT(("ISTR(%s) ", ub_c_text)); yymore(); }
563 <include_quoted>{NEWLINE} { ub_c_error("newline before \" in include name");
564 cfg_parser->line++; BEGIN(inc_prev); }
567 ub_c_text[ub_c_leng - 1] = '\0';
568 config_start_include_glob(ub_c_text);
571 <INITIAL,val><<EOF>> {
573 yy_set_bol(1); /* Set beginning of line, so "^" rules match. */
574 if (!config_include_stack) {
578 config_end_include();
582 <val>{UNQUOTEDLETTER}* { LEXOUT(("unquotedstr(%s) ", ub_c_text));
583 if(--num_args == 0) { BEGIN(INITIAL); }
584 ub_c_lval.str = strdup(ub_c_text); return STRING_ARG; }
586 {UNQUOTEDLETTER_NOCOLON}* {
587 ub_c_error_msg("unknown keyword '%s'", ub_c_text);
591 ub_c_error_msg("stray '%s'", ub_c_text);