%{ /* * configlexer.lex - lexical analyzer for unbound config file * * Copyright (c) 2001-2006, NLnet Labs. All rights reserved * * See LICENSE for the license. * */ #include "config.h" /* because flex keeps having sign-unsigned compare problems that are unfixed*/ #if defined(__clang__)||(defined(__GNUC__)&&((__GNUC__ >4)||(defined(__GNUC_MINOR__)&&(__GNUC__ ==4)&&(__GNUC_MINOR__ >=2)))) #pragma GCC diagnostic ignored "-Wsign-compare" #endif #include #include #ifdef HAVE_GLOB_H # include #endif #include "util/config_file.h" #include "configparser.h" void ub_c_error(const char *message); #if 0 #define LEXOUT(s) printf s /* used ONLY when debugging */ #else #define LEXOUT(s) #endif /** avoid warning in about fwrite return value */ #define ECHO ub_c_error_msg("syntax error at text: %s", ub_c_text) /** A parser variable, this is a statement in the config file which is * of the form variable: value1 value2 ... nargs is the number of values. */ #define YDVAR(nargs, var) \ num_args=(nargs); \ LEXOUT(("v(%s%d) ", ub_c_text, num_args)); \ if(num_args > 0) { BEGIN(val); } \ return (var); struct inc_state { char* filename; int line; YY_BUFFER_STATE buffer; struct inc_state* next; int inc_toplevel; }; static struct inc_state* config_include_stack = NULL; static int inc_depth = 0; static int inc_prev = 0; static int num_args = 0; static int inc_toplevel = 0; void init_cfg_parse(void) { config_include_stack = NULL; inc_depth = 0; inc_prev = 0; num_args = 0; inc_toplevel = 0; } static void config_start_include(const char* filename, int toplevel) { FILE *input; struct inc_state* s; char* nm; if(inc_depth+1 > 100000) { ub_c_error_msg("too many include files"); return; } if(*filename == '\0') { ub_c_error_msg("empty include file name"); return; } s = (struct inc_state*)malloc(sizeof(*s)); if(!s) { ub_c_error_msg("include %s: malloc failure", filename); return; } if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot, strlen(cfg_parser->chroot)) == 0) { filename += strlen(cfg_parser->chroot); } nm = strdup(filename); if(!nm) { ub_c_error_msg("include %s: strdup failure", filename); free(s); return; } input = fopen(filename, "r"); if(!input) { ub_c_error_msg("cannot open include file '%s': %s", filename, strerror(errno)); free(s); free(nm); return; } LEXOUT(("switch_to_include_file(%s)\n", filename)); inc_depth++; s->filename = cfg_parser->filename; s->line = cfg_parser->line; s->buffer = YY_CURRENT_BUFFER; s->inc_toplevel = inc_toplevel; s->next = config_include_stack; config_include_stack = s; cfg_parser->filename = nm; cfg_parser->line = 1; inc_toplevel = toplevel; yy_switch_to_buffer(yy_create_buffer(input, YY_BUF_SIZE)); } static void config_start_include_glob(const char* filename, int toplevel) { /* check for wildcards */ #ifdef HAVE_GLOB glob_t g; int i, r, flags; if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') && !strchr(filename, '{') && !strchr(filename, '~'))) { flags = 0 #ifdef GLOB_ERR | GLOB_ERR #endif /* do not set GLOB_NOSORT so the results are sorted and in a predictable order. */ #ifdef GLOB_BRACE | GLOB_BRACE #endif #ifdef GLOB_TILDE | GLOB_TILDE #endif ; memset(&g, 0, sizeof(g)); if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot, strlen(cfg_parser->chroot)) == 0) { filename += strlen(cfg_parser->chroot); } r = glob(filename, flags, NULL, &g); if(r) { /* some error */ globfree(&g); if(r == GLOB_NOMATCH) return; /* no matches for pattern */ config_start_include(filename, toplevel); /* let original deal with it */ return; } /* process files found, if any */ for(i=(int)g.gl_pathc-1; i>=0; i--) { config_start_include(g.gl_pathv[i], toplevel); } globfree(&g); return; } #endif /* HAVE_GLOB */ config_start_include(filename, toplevel); } static void config_end_include(void) { struct inc_state* s = config_include_stack; --inc_depth; if(!s) return; free(cfg_parser->filename); cfg_parser->filename = s->filename; cfg_parser->line = s->line; yy_delete_buffer(YY_CURRENT_BUFFER); yy_switch_to_buffer(s->buffer); config_include_stack = s->next; inc_toplevel = s->inc_toplevel; free(s); } #ifndef yy_set_bol /* compat definition, for flex 2.4.6 */ #define yy_set_bol(at_bol) \ { \ if ( ! yy_current_buffer ) \ yy_current_buffer = yy_create_buffer( ub_c_in, YY_BUF_SIZE ); \ yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \ } #endif %} %option noinput %option nounput %{ #ifndef YY_NO_UNPUT #define YY_NO_UNPUT 1 #endif #ifndef YY_NO_INPUT #define YY_NO_INPUT 1 #endif %} SPACE [ \t] LETTER [a-zA-Z] UNQUOTEDLETTER [^\'\"\n\r \t\\]|\\. UNQUOTEDLETTER_NOCOLON [^\:\'\"\n\r \t\\]|\\. NEWLINE [\r\n] COMMENT \# COLON \: DQANY [^\"\n\r\\]|\\. SQANY [^\'\n\r\\]|\\. %x quotedstring singlequotedstr include include_quoted val include_toplevel include_toplevel_quoted %% {SPACE}* { LEXOUT(("SP ")); /* ignore */ } {SPACE}*{COMMENT}.* { /* note that flex makes the longest match and '.' is any but not nl */ LEXOUT(("comment(%s) ", ub_c_text)); /* ignore */ } server{COLON} { YDVAR(0, VAR_SERVER) } qname-minimisation{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION) } qname-minimisation-strict{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION_STRICT) } num-threads{COLON} { YDVAR(1, VAR_NUM_THREADS) } verbosity{COLON} { YDVAR(1, VAR_VERBOSITY) } port{COLON} { YDVAR(1, VAR_PORT) } outgoing-range{COLON} { YDVAR(1, VAR_OUTGOING_RANGE) } outgoing-port-permit{COLON} { YDVAR(1, VAR_OUTGOING_PORT_PERMIT) } outgoing-port-avoid{COLON} { YDVAR(1, VAR_OUTGOING_PORT_AVOID) } outgoing-num-tcp{COLON} { YDVAR(1, VAR_OUTGOING_NUM_TCP) } incoming-num-tcp{COLON} { YDVAR(1, VAR_INCOMING_NUM_TCP) } do-ip4{COLON} { YDVAR(1, VAR_DO_IP4) } do-ip6{COLON} { YDVAR(1, VAR_DO_IP6) } do-nat64{COLON} { YDVAR(1, VAR_DO_NAT64) } prefer-ip4{COLON} { YDVAR(1, VAR_PREFER_IP4) } prefer-ip6{COLON} { YDVAR(1, VAR_PREFER_IP6) } do-udp{COLON} { YDVAR(1, VAR_DO_UDP) } do-tcp{COLON} { YDVAR(1, VAR_DO_TCP) } tcp-upstream{COLON} { YDVAR(1, VAR_TCP_UPSTREAM) } tcp-mss{COLON} { YDVAR(1, VAR_TCP_MSS) } outgoing-tcp-mss{COLON} { YDVAR(1, VAR_OUTGOING_TCP_MSS) } tcp-idle-timeout{COLON} { YDVAR(1, VAR_TCP_IDLE_TIMEOUT) } max-reuse-tcp-queries{COLON} { YDVAR(1, VAR_MAX_REUSE_TCP_QUERIES) } tcp-reuse-timeout{COLON} { YDVAR(1, VAR_TCP_REUSE_TIMEOUT) } tcp-auth-query-timeout{COLON} { YDVAR(1, VAR_TCP_AUTH_QUERY_TIMEOUT) } edns-tcp-keepalive{COLON} { YDVAR(1, VAR_EDNS_TCP_KEEPALIVE) } edns-tcp-keepalive-timeout{COLON} { YDVAR(1, VAR_EDNS_TCP_KEEPALIVE_TIMEOUT) } sock-queue-timeout{COLON} { YDVAR(1, VAR_SOCK_QUEUE_TIMEOUT) } ssl-upstream{COLON} { YDVAR(1, VAR_SSL_UPSTREAM) } tls-upstream{COLON} { YDVAR(1, VAR_SSL_UPSTREAM) } ssl-service-key{COLON} { YDVAR(1, VAR_SSL_SERVICE_KEY) } tls-service-key{COLON} { YDVAR(1, VAR_SSL_SERVICE_KEY) } ssl-service-pem{COLON} { YDVAR(1, VAR_SSL_SERVICE_PEM) } tls-service-pem{COLON} { YDVAR(1, VAR_SSL_SERVICE_PEM) } ssl-port{COLON} { YDVAR(1, VAR_SSL_PORT) } tls-port{COLON} { YDVAR(1, VAR_SSL_PORT) } ssl-cert-bundle{COLON} { YDVAR(1, VAR_TLS_CERT_BUNDLE) } tls-cert-bundle{COLON} { YDVAR(1, VAR_TLS_CERT_BUNDLE) } tls-win-cert{COLON} { YDVAR(1, VAR_TLS_WIN_CERT) } tls-system-cert{COLON} { YDVAR(1, VAR_TLS_WIN_CERT) } additional-ssl-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) } additional-tls-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) } tls-additional-ports{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) } tls-additional-port{COLON} { YDVAR(1, VAR_TLS_ADDITIONAL_PORT) } tls-session-ticket-keys{COLON} { YDVAR(1, VAR_TLS_SESSION_TICKET_KEYS) } tls-ciphers{COLON} { YDVAR(1, VAR_TLS_CIPHERS) } tls-ciphersuites{COLON} { YDVAR(1, VAR_TLS_CIPHERSUITES) } tls-use-sni{COLON} { YDVAR(1, VAR_TLS_USE_SNI) } https-port{COLON} { YDVAR(1, VAR_HTTPS_PORT) } http-endpoint{COLON} { YDVAR(1, VAR_HTTP_ENDPOINT) } http-max-streams{COLON} { YDVAR(1, VAR_HTTP_MAX_STREAMS) } http-query-buffer-size{COLON} { YDVAR(1, VAR_HTTP_QUERY_BUFFER_SIZE) } http-response-buffer-size{COLON} { YDVAR(1, VAR_HTTP_RESPONSE_BUFFER_SIZE) } http-nodelay{COLON} { YDVAR(1, VAR_HTTP_NODELAY) } http-notls-downstream{COLON} { YDVAR(1, VAR_HTTP_NOTLS_DOWNSTREAM) } use-systemd{COLON} { YDVAR(1, VAR_USE_SYSTEMD) } do-daemonize{COLON} { YDVAR(1, VAR_DO_DAEMONIZE) } interface{COLON} { YDVAR(1, VAR_INTERFACE) } ip-address{COLON} { YDVAR(1, VAR_INTERFACE) } outgoing-interface{COLON} { YDVAR(1, VAR_OUTGOING_INTERFACE) } interface-automatic{COLON} { YDVAR(1, VAR_INTERFACE_AUTOMATIC) } interface-automatic-ports{COLON} { YDVAR(1, VAR_INTERFACE_AUTOMATIC_PORTS) } so-rcvbuf{COLON} { YDVAR(1, VAR_SO_RCVBUF) } so-sndbuf{COLON} { YDVAR(1, VAR_SO_SNDBUF) } so-reuseport{COLON} { YDVAR(1, VAR_SO_REUSEPORT) } ip-transparent{COLON} { YDVAR(1, VAR_IP_TRANSPARENT) } ip-freebind{COLON} { YDVAR(1, VAR_IP_FREEBIND) } ip-dscp{COLON} { YDVAR(1, VAR_IP_DSCP) } chroot{COLON} { YDVAR(1, VAR_CHROOT) } username{COLON} { YDVAR(1, VAR_USERNAME) } directory{COLON} { YDVAR(1, VAR_DIRECTORY) } logfile{COLON} { YDVAR(1, VAR_LOGFILE) } pidfile{COLON} { YDVAR(1, VAR_PIDFILE) } root-hints{COLON} { YDVAR(1, VAR_ROOT_HINTS) } stream-wait-size{COLON} { YDVAR(1, VAR_STREAM_WAIT_SIZE) } edns-buffer-size{COLON} { YDVAR(1, VAR_EDNS_BUFFER_SIZE) } msg-buffer-size{COLON} { YDVAR(1, VAR_MSG_BUFFER_SIZE) } msg-cache-size{COLON} { YDVAR(1, VAR_MSG_CACHE_SIZE) } msg-cache-slabs{COLON} { YDVAR(1, VAR_MSG_CACHE_SLABS) } rrset-cache-size{COLON} { YDVAR(1, VAR_RRSET_CACHE_SIZE) } rrset-cache-slabs{COLON} { YDVAR(1, VAR_RRSET_CACHE_SLABS) } cache-max-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_TTL) } cache-max-negative-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_NEGATIVE_TTL) } cache-min-negative-ttl{COLON} { YDVAR(1, VAR_CACHE_MIN_NEGATIVE_TTL) } cache-min-ttl{COLON} { YDVAR(1, VAR_CACHE_MIN_TTL) } infra-host-ttl{COLON} { YDVAR(1, VAR_INFRA_HOST_TTL) } infra-lame-ttl{COLON} { YDVAR(1, VAR_INFRA_LAME_TTL) } infra-cache-slabs{COLON} { YDVAR(1, VAR_INFRA_CACHE_SLABS) } infra-cache-numhosts{COLON} { YDVAR(1, VAR_INFRA_CACHE_NUMHOSTS) } infra-cache-lame-size{COLON} { YDVAR(1, VAR_INFRA_CACHE_LAME_SIZE) } infra-cache-min-rtt{COLON} { YDVAR(1, VAR_INFRA_CACHE_MIN_RTT) } infra-cache-max-rtt{COLON} { YDVAR(1, VAR_INFRA_CACHE_MAX_RTT) } infra-keep-probing{COLON} { YDVAR(1, VAR_INFRA_KEEP_PROBING) } num-queries-per-thread{COLON} { YDVAR(1, VAR_NUM_QUERIES_PER_THREAD) } jostle-timeout{COLON} { YDVAR(1, VAR_JOSTLE_TIMEOUT) } delay-close{COLON} { YDVAR(1, VAR_DELAY_CLOSE) } udp-connect{COLON} { YDVAR(1, VAR_UDP_CONNECT) } target-fetch-policy{COLON} { YDVAR(1, VAR_TARGET_FETCH_POLICY) } harden-short-bufsize{COLON} { YDVAR(1, VAR_HARDEN_SHORT_BUFSIZE) } harden-large-queries{COLON} { YDVAR(1, VAR_HARDEN_LARGE_QUERIES) } harden-glue{COLON} { YDVAR(1, VAR_HARDEN_GLUE) } harden-dnssec-stripped{COLON} { YDVAR(1, VAR_HARDEN_DNSSEC_STRIPPED) } harden-below-nxdomain{COLON} { YDVAR(1, VAR_HARDEN_BELOW_NXDOMAIN) } harden-referral-path{COLON} { YDVAR(1, VAR_HARDEN_REFERRAL_PATH) } harden-algo-downgrade{COLON} { YDVAR(1, VAR_HARDEN_ALGO_DOWNGRADE) } harden-unknown-additional{COLON} { YDVAR(1, VAR_HARDEN_UNKNOWN_ADDITIONAL) } use-caps-for-id{COLON} { YDVAR(1, VAR_USE_CAPS_FOR_ID) } caps-whitelist{COLON} { YDVAR(1, VAR_CAPS_WHITELIST) } caps-exempt{COLON} { YDVAR(1, VAR_CAPS_WHITELIST) } unwanted-reply-threshold{COLON} { YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) } private-address{COLON} { YDVAR(1, VAR_PRIVATE_ADDRESS) } private-domain{COLON} { YDVAR(1, VAR_PRIVATE_DOMAIN) } prefetch-key{COLON} { YDVAR(1, VAR_PREFETCH_KEY) } prefetch{COLON} { YDVAR(1, VAR_PREFETCH) } deny-any{COLON} { YDVAR(1, VAR_DENY_ANY) } stub-zone{COLON} { YDVAR(0, VAR_STUB_ZONE) } name{COLON} { YDVAR(1, VAR_NAME) } stub-addr{COLON} { YDVAR(1, VAR_STUB_ADDR) } stub-host{COLON} { YDVAR(1, VAR_STUB_HOST) } stub-prime{COLON} { YDVAR(1, VAR_STUB_PRIME) } stub-first{COLON} { YDVAR(1, VAR_STUB_FIRST) } stub-no-cache{COLON} { YDVAR(1, VAR_STUB_NO_CACHE) } stub-ssl-upstream{COLON} { YDVAR(1, VAR_STUB_SSL_UPSTREAM) } stub-tls-upstream{COLON} { YDVAR(1, VAR_STUB_SSL_UPSTREAM) } stub-tcp-upstream{COLON} { YDVAR(1, VAR_STUB_TCP_UPSTREAM) } forward-zone{COLON} { YDVAR(0, VAR_FORWARD_ZONE) } forward-addr{COLON} { YDVAR(1, VAR_FORWARD_ADDR) } forward-host{COLON} { YDVAR(1, VAR_FORWARD_HOST) } forward-first{COLON} { YDVAR(1, VAR_FORWARD_FIRST) } forward-no-cache{COLON} { YDVAR(1, VAR_FORWARD_NO_CACHE) } forward-ssl-upstream{COLON} { YDVAR(1, VAR_FORWARD_SSL_UPSTREAM) } forward-tls-upstream{COLON} { YDVAR(1, VAR_FORWARD_SSL_UPSTREAM) } forward-tcp-upstream{COLON} { YDVAR(1, VAR_FORWARD_TCP_UPSTREAM) } auth-zone{COLON} { YDVAR(0, VAR_AUTH_ZONE) } rpz{COLON} { YDVAR(0, VAR_RPZ) } tags{COLON} { YDVAR(1, VAR_TAGS) } rpz-action-override{COLON} { YDVAR(1, VAR_RPZ_ACTION_OVERRIDE) } rpz-cname-override{COLON} { YDVAR(1, VAR_RPZ_CNAME_OVERRIDE) } rpz-log{COLON} { YDVAR(1, VAR_RPZ_LOG) } rpz-log-name{COLON} { YDVAR(1, VAR_RPZ_LOG_NAME) } rpz-signal-nxdomain-ra{COLON} { YDVAR(1, VAR_RPZ_SIGNAL_NXDOMAIN_RA) } zonefile{COLON} { YDVAR(1, VAR_ZONEFILE) } master{COLON} { YDVAR(1, VAR_MASTER) } primary{COLON} { YDVAR(1, VAR_MASTER) } url{COLON} { YDVAR(1, VAR_URL) } allow-notify{COLON} { YDVAR(1, VAR_ALLOW_NOTIFY) } for-downstream{COLON} { YDVAR(1, VAR_FOR_DOWNSTREAM) } for-upstream{COLON} { YDVAR(1, VAR_FOR_UPSTREAM) } fallback-enabled{COLON} { YDVAR(1, VAR_FALLBACK_ENABLED) } view{COLON} { YDVAR(0, VAR_VIEW) } view-first{COLON} { YDVAR(1, VAR_VIEW_FIRST) } do-not-query-address{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_ADDRESS) } do-not-query-localhost{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_LOCALHOST) } access-control{COLON} { YDVAR(2, VAR_ACCESS_CONTROL) } interface-action{COLON} { YDVAR(2, VAR_INTERFACE_ACTION) } send-client-subnet{COLON} { YDVAR(1, VAR_SEND_CLIENT_SUBNET) } client-subnet-zone{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_ZONE) } client-subnet-always-forward{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_ALWAYS_FORWARD) } client-subnet-opcode{COLON} { YDVAR(1, VAR_CLIENT_SUBNET_OPCODE) } max-client-subnet-ipv4{COLON} { YDVAR(1, VAR_MAX_CLIENT_SUBNET_IPV4) } max-client-subnet-ipv6{COLON} { YDVAR(1, VAR_MAX_CLIENT_SUBNET_IPV6) } min-client-subnet-ipv4{COLON} { YDVAR(1, VAR_MIN_CLIENT_SUBNET_IPV4) } min-client-subnet-ipv6{COLON} { YDVAR(1, VAR_MIN_CLIENT_SUBNET_IPV6) } max-ecs-tree-size-ipv4{COLON} { YDVAR(1, VAR_MAX_ECS_TREE_SIZE_IPV4) } max-ecs-tree-size-ipv6{COLON} { YDVAR(1, VAR_MAX_ECS_TREE_SIZE_IPV6) } hide-identity{COLON} { YDVAR(1, VAR_HIDE_IDENTITY) } hide-version{COLON} { YDVAR(1, VAR_HIDE_VERSION) } hide-trustanchor{COLON} { YDVAR(1, VAR_HIDE_TRUSTANCHOR) } hide-http-user-agent{COLON} { YDVAR(1, VAR_HIDE_HTTP_USER_AGENT) } identity{COLON} { YDVAR(1, VAR_IDENTITY) } version{COLON} { YDVAR(1, VAR_VERSION) } http-user-agent{COLON} { YDVAR(1, VAR_HTTP_USER_AGENT) } module-config{COLON} { YDVAR(1, VAR_MODULE_CONF) } dlv-anchor{COLON} { YDVAR(1, VAR_DLV_ANCHOR) } dlv-anchor-file{COLON} { YDVAR(1, VAR_DLV_ANCHOR_FILE) } trust-anchor-file{COLON} { YDVAR(1, VAR_TRUST_ANCHOR_FILE) } auto-trust-anchor-file{COLON} { YDVAR(1, VAR_AUTO_TRUST_ANCHOR_FILE) } trusted-keys-file{COLON} { YDVAR(1, VAR_TRUSTED_KEYS_FILE) } trust-anchor{COLON} { YDVAR(1, VAR_TRUST_ANCHOR) } trust-anchor-signaling{COLON} { YDVAR(1, VAR_TRUST_ANCHOR_SIGNALING) } root-key-sentinel{COLON} { YDVAR(1, VAR_ROOT_KEY_SENTINEL) } val-override-date{COLON} { YDVAR(1, VAR_VAL_OVERRIDE_DATE) } val-sig-skew-min{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MIN) } val-sig-skew-max{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MAX) } val-max-restart{COLON} { YDVAR(1, VAR_VAL_MAX_RESTART) } val-bogus-ttl{COLON} { YDVAR(1, VAR_BOGUS_TTL) } val-clean-additional{COLON} { YDVAR(1, VAR_VAL_CLEAN_ADDITIONAL) } val-permissive-mode{COLON} { YDVAR(1, VAR_VAL_PERMISSIVE_MODE) } aggressive-nsec{COLON} { YDVAR(1, VAR_AGGRESSIVE_NSEC) } ignore-cd-flag{COLON} { YDVAR(1, VAR_IGNORE_CD_FLAG) } disable-edns-do{COLON} { YDVAR(1, VAR_DISABLE_EDNS_DO) } serve-expired{COLON} { YDVAR(1, VAR_SERVE_EXPIRED) } serve-expired-ttl{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_TTL) } serve-expired-ttl-reset{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_TTL_RESET) } serve-expired-reply-ttl{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_REPLY_TTL) } serve-expired-client-timeout{COLON} { YDVAR(1, VAR_SERVE_EXPIRED_CLIENT_TIMEOUT) } ede-serve-expired{COLON} { YDVAR(1, VAR_EDE_SERVE_EXPIRED) } serve-original-ttl{COLON} { YDVAR(1, VAR_SERVE_ORIGINAL_TTL) } fake-dsa{COLON} { YDVAR(1, VAR_FAKE_DSA) } fake-sha1{COLON} { YDVAR(1, VAR_FAKE_SHA1) } val-log-level{COLON} { YDVAR(1, VAR_VAL_LOG_LEVEL) } key-cache-size{COLON} { YDVAR(1, VAR_KEY_CACHE_SIZE) } key-cache-slabs{COLON} { YDVAR(1, VAR_KEY_CACHE_SLABS) } neg-cache-size{COLON} { YDVAR(1, VAR_NEG_CACHE_SIZE) } val-nsec3-keysize-iterations{COLON} { YDVAR(1, VAR_VAL_NSEC3_KEYSIZE_ITERATIONS) } zonemd-permissive-mode{COLON} { YDVAR(1, VAR_ZONEMD_PERMISSIVE_MODE) } zonemd-check{COLON} { YDVAR(1, VAR_ZONEMD_CHECK) } zonemd-reject-absence{COLON} { YDVAR(1, VAR_ZONEMD_REJECT_ABSENCE) } add-holddown{COLON} { YDVAR(1, VAR_ADD_HOLDDOWN) } del-holddown{COLON} { YDVAR(1, VAR_DEL_HOLDDOWN) } keep-missing{COLON} { YDVAR(1, VAR_KEEP_MISSING) } permit-small-holddown{COLON} { YDVAR(1, VAR_PERMIT_SMALL_HOLDDOWN) } use-syslog{COLON} { YDVAR(1, VAR_USE_SYSLOG) } log-identity{COLON} { YDVAR(1, VAR_LOG_IDENTITY) } log-time-ascii{COLON} { YDVAR(1, VAR_LOG_TIME_ASCII) } log-queries{COLON} { YDVAR(1, VAR_LOG_QUERIES) } log-replies{COLON} { YDVAR(1, VAR_LOG_REPLIES) } log-tag-queryreply{COLON} { YDVAR(1, VAR_LOG_TAG_QUERYREPLY) } log-local-actions{COLON} { YDVAR(1, VAR_LOG_LOCAL_ACTIONS) } log-servfail{COLON} { YDVAR(1, VAR_LOG_SERVFAIL) } log-destaddr{COLON} { YDVAR(1, VAR_LOG_DESTADDR) } local-zone{COLON} { YDVAR(2, VAR_LOCAL_ZONE) } local-data{COLON} { YDVAR(1, VAR_LOCAL_DATA) } local-data-ptr{COLON} { YDVAR(1, VAR_LOCAL_DATA_PTR) } unblock-lan-zones{COLON} { YDVAR(1, VAR_UNBLOCK_LAN_ZONES) } insecure-lan-zones{COLON} { YDVAR(1, VAR_INSECURE_LAN_ZONES) } statistics-interval{COLON} { YDVAR(1, VAR_STATISTICS_INTERVAL) } statistics-cumulative{COLON} { YDVAR(1, VAR_STATISTICS_CUMULATIVE) } extended-statistics{COLON} { YDVAR(1, VAR_EXTENDED_STATISTICS) } statistics-inhibit-zero{COLON} { YDVAR(1, VAR_STATISTICS_INHIBIT_ZERO) } shm-enable{COLON} { YDVAR(1, VAR_SHM_ENABLE) } shm-key{COLON} { YDVAR(1, VAR_SHM_KEY) } remote-control{COLON} { YDVAR(0, VAR_REMOTE_CONTROL) } control-enable{COLON} { YDVAR(1, VAR_CONTROL_ENABLE) } control-interface{COLON} { YDVAR(1, VAR_CONTROL_INTERFACE) } control-port{COLON} { YDVAR(1, VAR_CONTROL_PORT) } control-use-cert{COLON} { YDVAR(1, VAR_CONTROL_USE_CERT) } server-key-file{COLON} { YDVAR(1, VAR_SERVER_KEY_FILE) } server-cert-file{COLON} { YDVAR(1, VAR_SERVER_CERT_FILE) } control-key-file{COLON} { YDVAR(1, VAR_CONTROL_KEY_FILE) } control-cert-file{COLON} { YDVAR(1, VAR_CONTROL_CERT_FILE) } python-script{COLON} { YDVAR(1, VAR_PYTHON_SCRIPT) } python{COLON} { YDVAR(0, VAR_PYTHON) } dynlib-file{COLON} { YDVAR(1, VAR_DYNLIB_FILE) } dynlib{COLON} { YDVAR(0, VAR_DYNLIB) } domain-insecure{COLON} { YDVAR(1, VAR_DOMAIN_INSECURE) } minimal-responses{COLON} { YDVAR(1, VAR_MINIMAL_RESPONSES) } rrset-roundrobin{COLON} { YDVAR(1, VAR_RRSET_ROUNDROBIN) } unknown-server-time-limit{COLON} { YDVAR(1, VAR_UNKNOWN_SERVER_TIME_LIMIT) } discard-timeout{COLON} { YDVAR(1, VAR_DISCARD_TIMEOUT) } wait-limit{COLON} { YDVAR(1, VAR_WAIT_LIMIT) } wait-limit-cookie{COLON} { YDVAR(1, VAR_WAIT_LIMIT_COOKIE) } wait-limit-netblock{COLON} { YDVAR(1, VAR_WAIT_LIMIT_NETBLOCK) } wait-limit-cookie-netblock{COLON} { YDVAR(1, VAR_WAIT_LIMIT_COOKIE_NETBLOCK) } max-udp-size{COLON} { YDVAR(1, VAR_MAX_UDP_SIZE) } dns64-prefix{COLON} { YDVAR(1, VAR_DNS64_PREFIX) } dns64-synthall{COLON} { YDVAR(1, VAR_DNS64_SYNTHALL) } dns64-ignore-aaaa{COLON} { YDVAR(1, VAR_DNS64_IGNORE_AAAA) } nat64-prefix{COLON} { YDVAR(1, VAR_NAT64_PREFIX) } define-tag{COLON} { YDVAR(1, VAR_DEFINE_TAG) } local-zone-tag{COLON} { YDVAR(2, VAR_LOCAL_ZONE_TAG) } access-control-tag{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_TAG) } access-control-tag-action{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_ACTION) } access-control-tag-data{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_DATA) } access-control-view{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_VIEW) } interface-tag{COLON} { YDVAR(2, VAR_INTERFACE_TAG) } interface-tag-action{COLON} { YDVAR(3, VAR_INTERFACE_TAG_ACTION) } interface-tag-data{COLON} { YDVAR(3, VAR_INTERFACE_TAG_DATA) } interface-view{COLON} { YDVAR(2, VAR_INTERFACE_VIEW) } local-zone-override{COLON} { YDVAR(3, VAR_LOCAL_ZONE_OVERRIDE) } dnstap{COLON} { YDVAR(0, VAR_DNSTAP) } dnstap-enable{COLON} { YDVAR(1, VAR_DNSTAP_ENABLE) } dnstap-bidirectional{COLON} { YDVAR(1, VAR_DNSTAP_BIDIRECTIONAL) } dnstap-socket-path{COLON} { YDVAR(1, VAR_DNSTAP_SOCKET_PATH) } dnstap-ip{COLON} { YDVAR(1, VAR_DNSTAP_IP) } dnstap-tls{COLON} { YDVAR(1, VAR_DNSTAP_TLS) } dnstap-tls-server-name{COLON} { YDVAR(1, VAR_DNSTAP_TLS_SERVER_NAME) } dnstap-tls-cert-bundle{COLON} { YDVAR(1, VAR_DNSTAP_TLS_CERT_BUNDLE) } dnstap-tls-client-key-file{COLON} { YDVAR(1, VAR_DNSTAP_TLS_CLIENT_KEY_FILE) } dnstap-tls-client-cert-file{COLON} { YDVAR(1, VAR_DNSTAP_TLS_CLIENT_CERT_FILE) } dnstap-send-identity{COLON} { YDVAR(1, VAR_DNSTAP_SEND_IDENTITY) } dnstap-send-version{COLON} { YDVAR(1, VAR_DNSTAP_SEND_VERSION) } dnstap-identity{COLON} { YDVAR(1, VAR_DNSTAP_IDENTITY) } dnstap-version{COLON} { YDVAR(1, VAR_DNSTAP_VERSION) } dnstap-log-resolver-query-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES) } dnstap-log-resolver-response-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES) } dnstap-log-client-query-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES) } dnstap-log-client-response-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES) } dnstap-log-forwarder-query-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES) } dnstap-log-forwarder-response-messages{COLON} { YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES) } dnstap-sample-rate { YDVAR(1, VAR_DNSTAP_SAMPLE_RATE) } disable-dnssec-lame-check{COLON} { YDVAR(1, VAR_DISABLE_DNSSEC_LAME_CHECK) } ip-ratelimit{COLON} { YDVAR(1, VAR_IP_RATELIMIT) } ip-ratelimit-cookie{COLON} { YDVAR(1, VAR_IP_RATELIMIT_COOKIE) } ratelimit{COLON} { YDVAR(1, VAR_RATELIMIT) } ip-ratelimit-slabs{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SLABS) } ratelimit-slabs{COLON} { YDVAR(1, VAR_RATELIMIT_SLABS) } ip-ratelimit-size{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SIZE) } ratelimit-size{COLON} { YDVAR(1, VAR_RATELIMIT_SIZE) } ratelimit-for-domain{COLON} { YDVAR(2, VAR_RATELIMIT_FOR_DOMAIN) } ratelimit-below-domain{COLON} { YDVAR(2, VAR_RATELIMIT_BELOW_DOMAIN) } ip-ratelimit-factor{COLON} { YDVAR(1, VAR_IP_RATELIMIT_FACTOR) } ratelimit-factor{COLON} { YDVAR(1, VAR_RATELIMIT_FACTOR) } ip-ratelimit-backoff{COLON} { YDVAR(1, VAR_IP_RATELIMIT_BACKOFF) } ratelimit-backoff{COLON} { YDVAR(1, VAR_RATELIMIT_BACKOFF) } outbound-msg-retry{COLON} { YDVAR(1, VAR_OUTBOUND_MSG_RETRY) } max-sent-count{COLON} { YDVAR(1, VAR_MAX_SENT_COUNT) } max-query-restarts{COLON} { YDVAR(1, VAR_MAX_QUERY_RESTARTS) } low-rtt{COLON} { YDVAR(1, VAR_LOW_RTT) } fast-server-num{COLON} { YDVAR(1, VAR_FAST_SERVER_NUM) } low-rtt-pct{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) } low-rtt-permil{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) } fast-server-permil{COLON} { YDVAR(1, VAR_FAST_SERVER_PERMIL) } response-ip-tag{COLON} { YDVAR(2, VAR_RESPONSE_IP_TAG) } response-ip{COLON} { YDVAR(2, VAR_RESPONSE_IP) } response-ip-data{COLON} { YDVAR(2, VAR_RESPONSE_IP_DATA) } dnscrypt{COLON} { YDVAR(0, VAR_DNSCRYPT) } dnscrypt-enable{COLON} { YDVAR(1, VAR_DNSCRYPT_ENABLE) } dnscrypt-port{COLON} { YDVAR(1, VAR_DNSCRYPT_PORT) } dnscrypt-provider{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER) } dnscrypt-secret-key{COLON} { YDVAR(1, VAR_DNSCRYPT_SECRET_KEY) } dnscrypt-provider-cert{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER_CERT) } dnscrypt-provider-cert-rotated{COLON} { YDVAR(1, VAR_DNSCRYPT_PROVIDER_CERT_ROTATED) } dnscrypt-shared-secret-cache-size{COLON} { YDVAR(1, VAR_DNSCRYPT_SHARED_SECRET_CACHE_SIZE) } dnscrypt-shared-secret-cache-slabs{COLON} { YDVAR(1, VAR_DNSCRYPT_SHARED_SECRET_CACHE_SLABS) } dnscrypt-nonce-cache-size{COLON} { YDVAR(1, VAR_DNSCRYPT_NONCE_CACHE_SIZE) } dnscrypt-nonce-cache-slabs{COLON} { YDVAR(1, VAR_DNSCRYPT_NONCE_CACHE_SLABS) } pad-responses{COLON} { YDVAR(1, VAR_PAD_RESPONSES) } pad-responses-block-size{COLON} { YDVAR(1, VAR_PAD_RESPONSES_BLOCK_SIZE) } pad-queries{COLON} { YDVAR(1, VAR_PAD_QUERIES) } pad-queries-block-size{COLON} { YDVAR(1, VAR_PAD_QUERIES_BLOCK_SIZE) } ipsecmod-enabled{COLON} { YDVAR(1, VAR_IPSECMOD_ENABLED) } ipsecmod-ignore-bogus{COLON} { YDVAR(1, VAR_IPSECMOD_IGNORE_BOGUS) } ipsecmod-hook{COLON} { YDVAR(1, VAR_IPSECMOD_HOOK) } ipsecmod-max-ttl{COLON} { YDVAR(1, VAR_IPSECMOD_MAX_TTL) } ipsecmod-whitelist{COLON} { YDVAR(1, VAR_IPSECMOD_WHITELIST) } ipsecmod-allow{COLON} { YDVAR(1, VAR_IPSECMOD_WHITELIST) } ipsecmod-strict{COLON} { YDVAR(1, VAR_IPSECMOD_STRICT) } cachedb{COLON} { YDVAR(0, VAR_CACHEDB) } backend{COLON} { YDVAR(1, VAR_CACHEDB_BACKEND) } secret-seed{COLON} { YDVAR(1, VAR_CACHEDB_SECRETSEED) } cachedb-no-store{COLON} { YDVAR(1, VAR_CACHEDB_NO_STORE) } cachedb-check-when-serve-expired{COLON} { YDVAR(1, VAR_CACHEDB_CHECK_WHEN_SERVE_EXPIRED) } redis-server-host{COLON} { YDVAR(1, VAR_CACHEDB_REDISHOST) } redis-server-port{COLON} { YDVAR(1, VAR_CACHEDB_REDISPORT) } redis-server-path{COLON} { YDVAR(1, VAR_CACHEDB_REDISPATH) } redis-server-password{COLON} { YDVAR(1, VAR_CACHEDB_REDISPASSWORD) } redis-timeout{COLON} { YDVAR(1, VAR_CACHEDB_REDISTIMEOUT) } redis-expire-records{COLON} { YDVAR(1, VAR_CACHEDB_REDISEXPIRERECORDS) } redis-logical-db{COLON} { YDVAR(1, VAR_CACHEDB_REDISLOGICALDB) } ipset{COLON} { YDVAR(0, VAR_IPSET) } name-v4{COLON} { YDVAR(1, VAR_IPSET_NAME_V4) } name-v6{COLON} { YDVAR(1, VAR_IPSET_NAME_V6) } udp-upstream-without-downstream{COLON} { YDVAR(1, VAR_UDP_UPSTREAM_WITHOUT_DOWNSTREAM) } tcp-connection-limit{COLON} { YDVAR(2, VAR_TCP_CONNECTION_LIMIT) } answer-cookie{COLON} { YDVAR(1, VAR_ANSWER_COOKIE ) } cookie-secret{COLON} { YDVAR(1, VAR_COOKIE_SECRET) } cookie-secret-file{COLON} { YDVAR(1, VAR_COOKIE_SECRET_FILE) } edns-client-string{COLON} { YDVAR(2, VAR_EDNS_CLIENT_STRING) } edns-client-string-opcode{COLON} { YDVAR(1, VAR_EDNS_CLIENT_STRING_OPCODE) } nsid{COLON} { YDVAR(1, VAR_NSID ) } ede{COLON} { YDVAR(1, VAR_EDE ) } proxy-protocol-port{COLON} { YDVAR(1, VAR_PROXY_PROTOCOL_PORT) } {NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++; } /* Quoted strings. Strip leading and ending quotes */ \" { BEGIN(quotedstring); LEXOUT(("QS ")); } <> { ub_c_error("EOF inside quoted string"); if(--num_args == 0) { BEGIN(INITIAL); } else { BEGIN(val); } } {DQANY}* { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); } {NEWLINE} { ub_c_error("newline inside quoted string, no end \""); cfg_parser->line++; BEGIN(INITIAL); } \" { LEXOUT(("QE ")); if(--num_args == 0) { BEGIN(INITIAL); } else { BEGIN(val); } ub_c_text[ub_c_leng - 1] = '\0'; ub_c_lval.str = strdup(ub_c_text); if(!ub_c_lval.str) ub_c_error("out of memory"); return STRING_ARG; } /* Single Quoted strings. Strip leading and ending quotes */ \' { BEGIN(singlequotedstr); LEXOUT(("SQS ")); } <> { ub_c_error("EOF inside quoted string"); if(--num_args == 0) { BEGIN(INITIAL); } else { BEGIN(val); } } {SQANY}* { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); } {NEWLINE} { ub_c_error("newline inside quoted string, no end '"); cfg_parser->line++; BEGIN(INITIAL); } \' { LEXOUT(("SQE ")); if(--num_args == 0) { BEGIN(INITIAL); } else { BEGIN(val); } ub_c_text[ub_c_leng - 1] = '\0'; ub_c_lval.str = strdup(ub_c_text); if(!ub_c_lval.str) ub_c_error("out of memory"); return STRING_ARG; } /* include: directive */ include{COLON} { LEXOUT(("v(%s) ", ub_c_text)); inc_prev = YYSTATE; BEGIN(include); } <> { ub_c_error("EOF inside include directive"); BEGIN(inc_prev); } {SPACE}* { LEXOUT(("ISP ")); /* ignore */ } {NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++;} \" { LEXOUT(("IQS ")); BEGIN(include_quoted); } {UNQUOTEDLETTER}* { LEXOUT(("Iunquotedstr(%s) ", ub_c_text)); config_start_include_glob(ub_c_text, 0); BEGIN(inc_prev); } <> { ub_c_error("EOF inside quoted string"); BEGIN(inc_prev); } {DQANY}* { LEXOUT(("ISTR(%s) ", ub_c_text)); yymore(); } {NEWLINE} { ub_c_error("newline before \" in include name"); cfg_parser->line++; BEGIN(inc_prev); } \" { LEXOUT(("IQE ")); ub_c_text[ub_c_leng - 1] = '\0'; config_start_include_glob(ub_c_text,0); BEGIN(inc_prev); } <> { LEXOUT(("LEXEOF ")); yy_set_bol(1); /* Set beginning of line, so "^" rules match. */ if (!config_include_stack) { yyterminate(); } else { fclose(yyin); int prev_toplevel = inc_toplevel; fclose(ub_c_in); config_end_include(); if(prev_toplevel) return (VAR_FORCE_TOPLEVEL); } } /* include-toplevel: directive */ include-toplevel{COLON} { LEXOUT(("v(%s) ", ub_c_text)); inc_prev = YYSTATE; BEGIN(include_toplevel); } <> { ub_c_error("EOF inside include_toplevel directive"); BEGIN(inc_prev); } {SPACE}* { LEXOUT(("ITSP ")); /* ignore */ } {NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++; } \" { LEXOUT(("ITQS ")); BEGIN(include_toplevel_quoted); } {UNQUOTEDLETTER}* { LEXOUT(("ITunquotedstr(%s) ", ub_c_text)); config_start_include_glob(ub_c_text, 1); BEGIN(inc_prev); return (VAR_FORCE_TOPLEVEL); } <> { ub_c_error("EOF inside quoted string"); BEGIN(inc_prev); } {DQANY}* { LEXOUT(("ITSTR(%s) ", ub_c_text)); yymore(); } {NEWLINE} { ub_c_error("newline before \" in include name"); cfg_parser->line++; BEGIN(inc_prev); } \" { LEXOUT(("ITQE ")); ub_c_text[yyleng - 1] = '\0'; config_start_include_glob(ub_c_text, 1); BEGIN(inc_prev); return (VAR_FORCE_TOPLEVEL); } {UNQUOTEDLETTER}* { LEXOUT(("unquotedstr(%s) ", ub_c_text)); if(--num_args == 0) { BEGIN(INITIAL); } ub_c_lval.str = strdup(ub_c_text); return STRING_ARG; } {UNQUOTEDLETTER_NOCOLON}* { ub_c_error_msg("unknown keyword '%s'", ub_c_text); } <*>. { ub_c_error_msg("stray '%s'", ub_c_text); } %%