1 %{ 2 /* 3 * configlexer.lex - lexical analyzer for unbound config file 4 * 5 * Copyright (c) 2001-2006, NLnet Labs. All rights reserved 6 * 7 * See LICENSE for the license. 8 * 9 */ 10 11 /* because flex keeps having sign-unsigned compare problems that are unfixed*/ 12 #if defined(__clang__)||(defined(__GNUC__)&&((__GNUC__ >4)||(defined(__GNUC_MINOR__)&&(__GNUC__ ==4)&&(__GNUC_MINOR__ >=2)))) 13 #pragma GCC diagnostic ignored "-Wsign-compare" 14 #endif 15 16 #include <ctype.h> 17 #include <string.h> 18 #include <strings.h> 19 #ifdef HAVE_GLOB_H 20 # include <glob.h> 21 #endif 22 23 #include "util/config_file.h" 24 #include "util/configparser.h" 25 void ub_c_error(const char *message); 26 27 #if 0 28 #define LEXOUT(s) printf s /* used ONLY when debugging */ 29 #else 30 #define LEXOUT(s) 31 #endif 32 33 /** avoid warning in about fwrite return value */ 34 #define ECHO ub_c_error_msg("syntax error at text: %s", yytext) 35 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) \ 39 num_args=(nargs); \ 40 LEXOUT(("v(%s%d) ", yytext, num_args)); \ 41 if(num_args > 0) { BEGIN(val); } \ 42 return (var); 43 44 struct inc_state { 45 char* filename; 46 int line; 47 YY_BUFFER_STATE buffer; 48 struct inc_state* next; 49 }; 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; 54 55 void init_cfg_parse(void) 56 { 57 config_include_stack = NULL; 58 inc_depth = 0; 59 inc_prev = 0; 60 num_args = 0; 61 } 62 63 static void config_start_include(const char* filename) 64 { 65 FILE *input; 66 struct inc_state* s; 67 char* nm; 68 if(inc_depth++ > 100000) { 69 ub_c_error_msg("too many include files"); 70 return; 71 } 72 if(*filename == '\0') { 73 ub_c_error_msg("empty include file name"); 74 return; 75 } 76 s = (struct inc_state*)malloc(sizeof(*s)); 77 if(!s) { 78 ub_c_error_msg("include %s: malloc failure", filename); 79 return; 80 } 81 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot, 82 strlen(cfg_parser->chroot)) == 0) { 83 filename += strlen(cfg_parser->chroot); 84 } 85 nm = strdup(filename); 86 if(!nm) { 87 ub_c_error_msg("include %s: strdup failure", filename); 88 free(s); 89 return; 90 } 91 input = fopen(filename, "r"); 92 if(!input) { 93 ub_c_error_msg("cannot open include file '%s': %s", 94 filename, strerror(errno)); 95 free(s); 96 free(nm); 97 return; 98 } 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)); 108 } 109 110 static void config_start_include_glob(const char* filename) 111 { 112 113 /* check for wildcards */ 114 #ifdef HAVE_GLOB 115 glob_t g; 116 size_t i; 117 int r, flags; 118 if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') && 119 !strchr(filename, '{') && !strchr(filename, '~'))) { 120 flags = 0 121 #ifdef GLOB_ERR 122 | GLOB_ERR 123 #endif 124 #ifdef GLOB_NOSORT 125 | GLOB_NOSORT 126 #endif 127 #ifdef GLOB_BRACE 128 | GLOB_BRACE 129 #endif 130 #ifdef GLOB_TILDE 131 | GLOB_TILDE 132 #endif 133 ; 134 memset(&g, 0, sizeof(g)); 135 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot, 136 strlen(cfg_parser->chroot)) == 0) { 137 filename += strlen(cfg_parser->chroot); 138 } 139 r = glob(filename, flags, NULL, &g); 140 if(r) { 141 /* some error */ 142 globfree(&g); 143 if(r == GLOB_NOMATCH) 144 return; /* no matches for pattern */ 145 config_start_include(filename); /* let original deal with it */ 146 return; 147 } 148 /* process files found, if any */ 149 for(i=0; i<(size_t)g.gl_pathc; i++) { 150 config_start_include(g.gl_pathv[i]); 151 } 152 globfree(&g); 153 return; 154 } 155 #endif /* HAVE_GLOB */ 156 157 config_start_include(filename); 158 } 159 160 static void config_end_include(void) 161 { 162 struct inc_state* s = config_include_stack; 163 --inc_depth; 164 if(!s) return; 165 free(cfg_parser->filename); 166 cfg_parser->filename = s->filename; 167 cfg_parser->line = s->line; 168 yy_delete_buffer(YY_CURRENT_BUFFER); 169 yy_switch_to_buffer(s->buffer); 170 config_include_stack = s->next; 171 free(s); 172 } 173 174 #ifndef yy_set_bol /* compat definition, for flex 2.4.6 */ 175 #define yy_set_bol(at_bol) \ 176 { \ 177 if ( ! yy_current_buffer ) \ 178 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ 179 yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \ 180 } 181 #endif 182 183 %} 184 %option noinput 185 %option nounput 186 %{ 187 #ifndef YY_NO_UNPUT 188 #define YY_NO_UNPUT 1 189 #endif 190 #ifndef YY_NO_INPUT 191 #define YY_NO_INPUT 1 192 #endif 193 %} 194 195 SPACE [ \t] 196 LETTER [a-zA-Z] 197 UNQUOTEDLETTER [^\'\"\n\r \t\\]|\\. 198 UNQUOTEDLETTER_NOCOLON [^\:\'\"\n\r \t\\]|\\. 199 NEWLINE [\r\n] 200 COMMENT \# 201 COLON \: 202 DQANY [^\"\n\r\\]|\\. 203 SQANY [^\'\n\r\\]|\\. 204 205 %x quotedstring singlequotedstr include include_quoted val 206 207 %% 208 <INITIAL,val>{SPACE}* { 209 LEXOUT(("SP ")); /* ignore */ } 210 <INITIAL,val>{SPACE}*{COMMENT}.* { 211 /* note that flex makes the longest match and '.' is any but not nl */ 212 LEXOUT(("comment(%s) ", yytext)); /* ignore */ } 213 server{COLON} { YDVAR(0, VAR_SERVER) } 214 qname-minimisation{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION) } 215 qname-minimisation-strict{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION_STRICT) } 216 num-threads{COLON} { YDVAR(1, VAR_NUM_THREADS) } 217 verbosity{COLON} { YDVAR(1, VAR_VERBOSITY) } 218 port{COLON} { YDVAR(1, VAR_PORT) } 219 outgoing-range{COLON} { YDVAR(1, VAR_OUTGOING_RANGE) } 220 outgoing-port-permit{COLON} { YDVAR(1, VAR_OUTGOING_PORT_PERMIT) } 221 outgoing-port-avoid{COLON} { YDVAR(1, VAR_OUTGOING_PORT_AVOID) } 222 outgoing-num-tcp{COLON} { YDVAR(1, VAR_OUTGOING_NUM_TCP) } 223 incoming-num-tcp{COLON} { YDVAR(1, VAR_INCOMING_NUM_TCP) } 224 do-ip4{COLON} { YDVAR(1, VAR_DO_IP4) } 225 do-ip6{COLON} { YDVAR(1, VAR_DO_IP6) } 226 prefer-ip6{COLON} { YDVAR(1, VAR_PREFER_IP6) } 227 do-udp{COLON} { YDVAR(1, VAR_DO_UDP) } 228 do-tcp{COLON} { YDVAR(1, VAR_DO_TCP) } 229 tcp-upstream{COLON} { YDVAR(1, VAR_TCP_UPSTREAM) } 230 tcp-mss{COLON} { YDVAR(1, VAR_TCP_MSS) } 231 outgoing-tcp-mss{COLON} { YDVAR(1, VAR_OUTGOING_TCP_MSS) } 232 ssl-upstream{COLON} { YDVAR(1, VAR_SSL_UPSTREAM) } 233 ssl-service-key{COLON} { YDVAR(1, VAR_SSL_SERVICE_KEY) } 234 ssl-service-pem{COLON} { YDVAR(1, VAR_SSL_SERVICE_PEM) } 235 ssl-port{COLON} { YDVAR(1, VAR_SSL_PORT) } 236 use-systemd{COLON} { YDVAR(1, VAR_USE_SYSTEMD) } 237 do-daemonize{COLON} { YDVAR(1, VAR_DO_DAEMONIZE) } 238 interface{COLON} { YDVAR(1, VAR_INTERFACE) } 239 ip-address{COLON} { YDVAR(1, VAR_INTERFACE) } 240 outgoing-interface{COLON} { YDVAR(1, VAR_OUTGOING_INTERFACE) } 241 interface-automatic{COLON} { YDVAR(1, VAR_INTERFACE_AUTOMATIC) } 242 so-rcvbuf{COLON} { YDVAR(1, VAR_SO_RCVBUF) } 243 so-sndbuf{COLON} { YDVAR(1, VAR_SO_SNDBUF) } 244 so-reuseport{COLON} { YDVAR(1, VAR_SO_REUSEPORT) } 245 ip-transparent{COLON} { YDVAR(1, VAR_IP_TRANSPARENT) } 246 ip-freebind{COLON} { YDVAR(1, VAR_IP_FREEBIND) } 247 chroot{COLON} { YDVAR(1, VAR_CHROOT) } 248 username{COLON} { YDVAR(1, VAR_USERNAME) } 249 directory{COLON} { YDVAR(1, VAR_DIRECTORY) } 250 logfile{COLON} { YDVAR(1, VAR_LOGFILE) } 251 pidfile{COLON} { YDVAR(1, VAR_PIDFILE) } 252 root-hints{COLON} { YDVAR(1, VAR_ROOT_HINTS) } 253 edns-buffer-size{COLON} { YDVAR(1, VAR_EDNS_BUFFER_SIZE) } 254 msg-buffer-size{COLON} { YDVAR(1, VAR_MSG_BUFFER_SIZE) } 255 msg-cache-size{COLON} { YDVAR(1, VAR_MSG_CACHE_SIZE) } 256 msg-cache-slabs{COLON} { YDVAR(1, VAR_MSG_CACHE_SLABS) } 257 rrset-cache-size{COLON} { YDVAR(1, VAR_RRSET_CACHE_SIZE) } 258 rrset-cache-slabs{COLON} { YDVAR(1, VAR_RRSET_CACHE_SLABS) } 259 cache-max-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_TTL) } 260 cache-max-negative-ttl{COLON} { YDVAR(1, VAR_CACHE_MAX_NEGATIVE_TTL) } 261 cache-min-ttl{COLON} { YDVAR(1, VAR_CACHE_MIN_TTL) } 262 infra-host-ttl{COLON} { YDVAR(1, VAR_INFRA_HOST_TTL) } 263 infra-lame-ttl{COLON} { YDVAR(1, VAR_INFRA_LAME_TTL) } 264 infra-cache-slabs{COLON} { YDVAR(1, VAR_INFRA_CACHE_SLABS) } 265 infra-cache-numhosts{COLON} { YDVAR(1, VAR_INFRA_CACHE_NUMHOSTS) } 266 infra-cache-lame-size{COLON} { YDVAR(1, VAR_INFRA_CACHE_LAME_SIZE) } 267 infra-cache-min-rtt{COLON} { YDVAR(1, VAR_INFRA_CACHE_MIN_RTT) } 268 num-queries-per-thread{COLON} { YDVAR(1, VAR_NUM_QUERIES_PER_THREAD) } 269 jostle-timeout{COLON} { YDVAR(1, VAR_JOSTLE_TIMEOUT) } 270 delay-close{COLON} { YDVAR(1, VAR_DELAY_CLOSE) } 271 target-fetch-policy{COLON} { YDVAR(1, VAR_TARGET_FETCH_POLICY) } 272 harden-short-bufsize{COLON} { YDVAR(1, VAR_HARDEN_SHORT_BUFSIZE) } 273 harden-large-queries{COLON} { YDVAR(1, VAR_HARDEN_LARGE_QUERIES) } 274 harden-glue{COLON} { YDVAR(1, VAR_HARDEN_GLUE) } 275 harden-dnssec-stripped{COLON} { YDVAR(1, VAR_HARDEN_DNSSEC_STRIPPED) } 276 harden-below-nxdomain{COLON} { YDVAR(1, VAR_HARDEN_BELOW_NXDOMAIN) } 277 harden-referral-path{COLON} { YDVAR(1, VAR_HARDEN_REFERRAL_PATH) } 278 harden-algo-downgrade{COLON} { YDVAR(1, VAR_HARDEN_ALGO_DOWNGRADE) } 279 use-caps-for-id{COLON} { YDVAR(1, VAR_USE_CAPS_FOR_ID) } 280 caps-whitelist{COLON} { YDVAR(1, VAR_CAPS_WHITELIST) } 281 unwanted-reply-threshold{COLON} { YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) } 282 private-address{COLON} { YDVAR(1, VAR_PRIVATE_ADDRESS) } 283 private-domain{COLON} { YDVAR(1, VAR_PRIVATE_DOMAIN) } 284 prefetch-key{COLON} { YDVAR(1, VAR_PREFETCH_KEY) } 285 prefetch{COLON} { YDVAR(1, VAR_PREFETCH) } 286 stub-zone{COLON} { YDVAR(0, VAR_STUB_ZONE) } 287 name{COLON} { YDVAR(1, VAR_NAME) } 288 stub-addr{COLON} { YDVAR(1, VAR_STUB_ADDR) } 289 stub-host{COLON} { YDVAR(1, VAR_STUB_HOST) } 290 stub-prime{COLON} { YDVAR(1, VAR_STUB_PRIME) } 291 stub-first{COLON} { YDVAR(1, VAR_STUB_FIRST) } 292 stub-ssl-upstream{COLON} { YDVAR(1, VAR_STUB_SSL_UPSTREAM) } 293 forward-zone{COLON} { YDVAR(0, VAR_FORWARD_ZONE) } 294 forward-addr{COLON} { YDVAR(1, VAR_FORWARD_ADDR) } 295 forward-host{COLON} { YDVAR(1, VAR_FORWARD_HOST) } 296 forward-first{COLON} { YDVAR(1, VAR_FORWARD_FIRST) } 297 forward-ssl-upstream{COLON} { YDVAR(1, VAR_FORWARD_SSL_UPSTREAM) } 298 view{COLON} { YDVAR(0, VAR_VIEW) } 299 view-first{COLON} { YDVAR(1, VAR_VIEW_FIRST) } 300 do-not-query-address{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_ADDRESS) } 301 do-not-query-localhost{COLON} { YDVAR(1, VAR_DO_NOT_QUERY_LOCALHOST) } 302 access-control{COLON} { YDVAR(2, VAR_ACCESS_CONTROL) } 303 hide-identity{COLON} { YDVAR(1, VAR_HIDE_IDENTITY) } 304 hide-version{COLON} { YDVAR(1, VAR_HIDE_VERSION) } 305 identity{COLON} { YDVAR(1, VAR_IDENTITY) } 306 version{COLON} { YDVAR(1, VAR_VERSION) } 307 module-config{COLON} { YDVAR(1, VAR_MODULE_CONF) } 308 dlv-anchor{COLON} { YDVAR(1, VAR_DLV_ANCHOR) } 309 dlv-anchor-file{COLON} { YDVAR(1, VAR_DLV_ANCHOR_FILE) } 310 trust-anchor-file{COLON} { YDVAR(1, VAR_TRUST_ANCHOR_FILE) } 311 auto-trust-anchor-file{COLON} { YDVAR(1, VAR_AUTO_TRUST_ANCHOR_FILE) } 312 trusted-keys-file{COLON} { YDVAR(1, VAR_TRUSTED_KEYS_FILE) } 313 trust-anchor{COLON} { YDVAR(1, VAR_TRUST_ANCHOR) } 314 val-override-date{COLON} { YDVAR(1, VAR_VAL_OVERRIDE_DATE) } 315 val-sig-skew-min{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MIN) } 316 val-sig-skew-max{COLON} { YDVAR(1, VAR_VAL_SIG_SKEW_MAX) } 317 val-bogus-ttl{COLON} { YDVAR(1, VAR_BOGUS_TTL) } 318 val-clean-additional{COLON} { YDVAR(1, VAR_VAL_CLEAN_ADDITIONAL) } 319 val-permissive-mode{COLON} { YDVAR(1, VAR_VAL_PERMISSIVE_MODE) } 320 ignore-cd-flag{COLON} { YDVAR(1, VAR_IGNORE_CD_FLAG) } 321 serve-expired{COLON} { YDVAR(1, VAR_SERVE_EXPIRED) } 322 fake-dsa{COLON} { YDVAR(1, VAR_FAKE_DSA) } 323 val-log-level{COLON} { YDVAR(1, VAR_VAL_LOG_LEVEL) } 324 key-cache-size{COLON} { YDVAR(1, VAR_KEY_CACHE_SIZE) } 325 key-cache-slabs{COLON} { YDVAR(1, VAR_KEY_CACHE_SLABS) } 326 neg-cache-size{COLON} { YDVAR(1, VAR_NEG_CACHE_SIZE) } 327 val-nsec3-keysize-iterations{COLON} { 328 YDVAR(1, VAR_VAL_NSEC3_KEYSIZE_ITERATIONS) } 329 add-holddown{COLON} { YDVAR(1, VAR_ADD_HOLDDOWN) } 330 del-holddown{COLON} { YDVAR(1, VAR_DEL_HOLDDOWN) } 331 keep-missing{COLON} { YDVAR(1, VAR_KEEP_MISSING) } 332 permit-small-holddown{COLON} { YDVAR(1, VAR_PERMIT_SMALL_HOLDDOWN) } 333 use-syslog{COLON} { YDVAR(1, VAR_USE_SYSLOG) } 334 log-identity{COLON} { YDVAR(1, VAR_LOG_IDENTITY) } 335 log-time-ascii{COLON} { YDVAR(1, VAR_LOG_TIME_ASCII) } 336 log-queries{COLON} { YDVAR(1, VAR_LOG_QUERIES) } 337 log-replies{COLON} { YDVAR(1, VAR_LOG_REPLIES) } 338 local-zone{COLON} { YDVAR(2, VAR_LOCAL_ZONE) } 339 local-data{COLON} { YDVAR(1, VAR_LOCAL_DATA) } 340 local-data-ptr{COLON} { YDVAR(1, VAR_LOCAL_DATA_PTR) } 341 unblock-lan-zones{COLON} { YDVAR(1, VAR_UNBLOCK_LAN_ZONES) } 342 insecure-lan-zones{COLON} { YDVAR(1, VAR_INSECURE_LAN_ZONES) } 343 statistics-interval{COLON} { YDVAR(1, VAR_STATISTICS_INTERVAL) } 344 statistics-cumulative{COLON} { YDVAR(1, VAR_STATISTICS_CUMULATIVE) } 345 extended-statistics{COLON} { YDVAR(1, VAR_EXTENDED_STATISTICS) } 346 remote-control{COLON} { YDVAR(0, VAR_REMOTE_CONTROL) } 347 control-enable{COLON} { YDVAR(1, VAR_CONTROL_ENABLE) } 348 control-interface{COLON} { YDVAR(1, VAR_CONTROL_INTERFACE) } 349 control-port{COLON} { YDVAR(1, VAR_CONTROL_PORT) } 350 control-use-cert{COLON} { YDVAR(1, VAR_CONTROL_USE_CERT) } 351 server-key-file{COLON} { YDVAR(1, VAR_SERVER_KEY_FILE) } 352 server-cert-file{COLON} { YDVAR(1, VAR_SERVER_CERT_FILE) } 353 control-key-file{COLON} { YDVAR(1, VAR_CONTROL_KEY_FILE) } 354 control-cert-file{COLON} { YDVAR(1, VAR_CONTROL_CERT_FILE) } 355 python-script{COLON} { YDVAR(1, VAR_PYTHON_SCRIPT) } 356 python{COLON} { YDVAR(0, VAR_PYTHON) } 357 domain-insecure{COLON} { YDVAR(1, VAR_DOMAIN_INSECURE) } 358 minimal-responses{COLON} { YDVAR(1, VAR_MINIMAL_RESPONSES) } 359 rrset-roundrobin{COLON} { YDVAR(1, VAR_RRSET_ROUNDROBIN) } 360 max-udp-size{COLON} { YDVAR(1, VAR_MAX_UDP_SIZE) } 361 dns64-prefix{COLON} { YDVAR(1, VAR_DNS64_PREFIX) } 362 dns64-synthall{COLON} { YDVAR(1, VAR_DNS64_SYNTHALL) } 363 define-tag{COLON} { YDVAR(1, VAR_DEFINE_TAG) } 364 local-zone-tag{COLON} { YDVAR(2, VAR_LOCAL_ZONE_TAG) } 365 access-control-tag{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_TAG) } 366 access-control-tag-action{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_ACTION) } 367 access-control-tag-data{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_DATA) } 368 access-control-view{COLON} { YDVAR(2, VAR_ACCESS_CONTROL_VIEW) } 369 local-zone-override{COLON} { YDVAR(3, VAR_LOCAL_ZONE_OVERRIDE) } 370 dnstap{COLON} { YDVAR(0, VAR_DNSTAP) } 371 dnstap-enable{COLON} { YDVAR(1, VAR_DNSTAP_ENABLE) } 372 dnstap-socket-path{COLON} { YDVAR(1, VAR_DNSTAP_SOCKET_PATH) } 373 dnstap-send-identity{COLON} { YDVAR(1, VAR_DNSTAP_SEND_IDENTITY) } 374 dnstap-send-version{COLON} { YDVAR(1, VAR_DNSTAP_SEND_VERSION) } 375 dnstap-identity{COLON} { YDVAR(1, VAR_DNSTAP_IDENTITY) } 376 dnstap-version{COLON} { YDVAR(1, VAR_DNSTAP_VERSION) } 377 dnstap-log-resolver-query-messages{COLON} { 378 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES) } 379 dnstap-log-resolver-response-messages{COLON} { 380 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES) } 381 dnstap-log-client-query-messages{COLON} { 382 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES) } 383 dnstap-log-client-response-messages{COLON} { 384 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES) } 385 dnstap-log-forwarder-query-messages{COLON} { 386 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES) } 387 dnstap-log-forwarder-response-messages{COLON} { 388 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES) } 389 disable-dnssec-lame-check{COLON} { YDVAR(1, VAR_DISABLE_DNSSEC_LAME_CHECK) } 390 ip-ratelimit{COLON} { YDVAR(1, VAR_IP_RATELIMIT) } 391 ratelimit{COLON} { YDVAR(1, VAR_RATELIMIT) } 392 ip-ratelimit-slabs{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SLABS) } 393 ratelimit-slabs{COLON} { YDVAR(1, VAR_RATELIMIT_SLABS) } 394 ip-ratelimit-size{COLON} { YDVAR(1, VAR_IP_RATELIMIT_SIZE) } 395 ratelimit-size{COLON} { YDVAR(1, VAR_RATELIMIT_SIZE) } 396 ratelimit-for-domain{COLON} { YDVAR(2, VAR_RATELIMIT_FOR_DOMAIN) } 397 ratelimit-below-domain{COLON} { YDVAR(2, VAR_RATELIMIT_BELOW_DOMAIN) } 398 ip-ratelimit-factor{COLON} { YDVAR(1, VAR_IP_RATELIMIT_FACTOR) } 399 ratelimit-factor{COLON} { YDVAR(1, VAR_RATELIMIT_FACTOR) } 400 <INITIAL,val>{NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++; } 401 402 /* Quoted strings. Strip leading and ending quotes */ 403 <val>\" { BEGIN(quotedstring); LEXOUT(("QS ")); } 404 <quotedstring><<EOF>> { 405 yyerror("EOF inside quoted string"); 406 if(--num_args == 0) { BEGIN(INITIAL); } 407 else { BEGIN(val); } 408 } 409 <quotedstring>{DQANY}* { LEXOUT(("STR(%s) ", yytext)); yymore(); } 410 <quotedstring>{NEWLINE} { yyerror("newline inside quoted string, no end \""); 411 cfg_parser->line++; BEGIN(INITIAL); } 412 <quotedstring>\" { 413 LEXOUT(("QE ")); 414 if(--num_args == 0) { BEGIN(INITIAL); } 415 else { BEGIN(val); } 416 yytext[yyleng - 1] = '\0'; 417 yylval.str = strdup(yytext); 418 if(!yylval.str) 419 yyerror("out of memory"); 420 return STRING_ARG; 421 } 422 423 /* Single Quoted strings. Strip leading and ending quotes */ 424 <val>\' { BEGIN(singlequotedstr); LEXOUT(("SQS ")); } 425 <singlequotedstr><<EOF>> { 426 yyerror("EOF inside quoted string"); 427 if(--num_args == 0) { BEGIN(INITIAL); } 428 else { BEGIN(val); } 429 } 430 <singlequotedstr>{SQANY}* { LEXOUT(("STR(%s) ", yytext)); yymore(); } 431 <singlequotedstr>{NEWLINE} { yyerror("newline inside quoted string, no end '"); 432 cfg_parser->line++; BEGIN(INITIAL); } 433 <singlequotedstr>\' { 434 LEXOUT(("SQE ")); 435 if(--num_args == 0) { BEGIN(INITIAL); } 436 else { BEGIN(val); } 437 yytext[yyleng - 1] = '\0'; 438 yylval.str = strdup(yytext); 439 if(!yylval.str) 440 yyerror("out of memory"); 441 return STRING_ARG; 442 } 443 444 /* include: directive */ 445 <INITIAL,val>include{COLON} { 446 LEXOUT(("v(%s) ", yytext)); inc_prev = YYSTATE; BEGIN(include); } 447 <include><<EOF>> { 448 yyerror("EOF inside include directive"); 449 BEGIN(inc_prev); 450 } 451 <include>{SPACE}* { LEXOUT(("ISP ")); /* ignore */ } 452 <include>{NEWLINE} { LEXOUT(("NL\n")); cfg_parser->line++;} 453 <include>\" { LEXOUT(("IQS ")); BEGIN(include_quoted); } 454 <include>{UNQUOTEDLETTER}* { 455 LEXOUT(("Iunquotedstr(%s) ", yytext)); 456 config_start_include_glob(yytext); 457 BEGIN(inc_prev); 458 } 459 <include_quoted><<EOF>> { 460 yyerror("EOF inside quoted string"); 461 BEGIN(inc_prev); 462 } 463 <include_quoted>{DQANY}* { LEXOUT(("ISTR(%s) ", yytext)); yymore(); } 464 <include_quoted>{NEWLINE} { yyerror("newline before \" in include name"); 465 cfg_parser->line++; BEGIN(inc_prev); } 466 <include_quoted>\" { 467 LEXOUT(("IQE ")); 468 yytext[yyleng - 1] = '\0'; 469 config_start_include_glob(yytext); 470 BEGIN(inc_prev); 471 } 472 <INITIAL,val><<EOF>> { 473 LEXOUT(("LEXEOF ")); 474 yy_set_bol(1); /* Set beginning of line, so "^" rules match. */ 475 if (!config_include_stack) { 476 yyterminate(); 477 } else { 478 fclose(yyin); 479 config_end_include(); 480 } 481 } 482 483 <val>{UNQUOTEDLETTER}* { LEXOUT(("unquotedstr(%s) ", yytext)); 484 if(--num_args == 0) { BEGIN(INITIAL); } 485 yylval.str = strdup(yytext); return STRING_ARG; } 486 487 {UNQUOTEDLETTER_NOCOLON}* { 488 ub_c_error_msg("unknown keyword '%s'", yytext); 489 } 490 491 <*>. { 492 ub_c_error_msg("stray '%s'", yytext); 493 } 494 495 %% 496