contrib/unbound/util/configlexer.lex

   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 #include "config.h"
  11
  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"
  15 #endif
  16
  17 #include <ctype.h>
  18 #include <string.h>
  19 #include <strings.h>
  20 #ifdef HAVE_GLOB_H
  21 # include <glob.h>
  22 #endif
  23
  24 #include "util/config_file.h"
  25 #include "configparser.h"
  26 void ub_c_error(const char *message);
  27
  28 #if 0
  29 #define LEXOUT(s)  printf s /* used ONLY when debugging */
  30 #else
  31 #define LEXOUT(s)
  32 #endif
  33
  34 /** avoid warning in about fwrite return value */
  35 #define ECHO ub_c_error_msg("syntax error at text: %s", ub_c_text)
  36
  37 /** A parser variable, this is a statement in the config file which is
  38  * of the form variable: value1 value2 ...  nargs is the number of values. */
  39 #define YDVAR(nargs, var) \
  40         num_args=(nargs); \
  41         LEXOUT(("v(%s%d) ", ub_c_text, num_args)); \
  42         if(num_args > 0) { BEGIN(val); } \
  43         return (var);
  44
  45 struct inc_state {
  46         char* filename;
  47         int line;
  48         YY_BUFFER_STATE buffer;
  49         struct inc_state* next;
  50 };
  51 static struct inc_state* config_include_stack = NULL;
  52 static int inc_depth = 0;
  53 static int inc_prev = 0;
  54 static int num_args = 0;
  55
  56 void init_cfg_parse(void)
  57 {
  58         config_include_stack = NULL;
  59         inc_depth = 0;
  60         inc_prev = 0;
  61         num_args = 0;
  62 }
  63
  64 static void config_start_include(const char* filename)
  65 {
  66         FILE *input;
  67         struct inc_state* s;
  68         char* nm;
  69         if(inc_depth++ > 100000) {
  70                 ub_c_error_msg("too many include files");
  71                 return;
  72         }
  73         if(*filename == '\0') {
  74                 ub_c_error_msg("empty include file name");
  75                 return;
  76         }
  77         s = (struct inc_state*)malloc(sizeof(*s));
  78         if(!s) {
  79                 ub_c_error_msg("include %s: malloc failure", filename);
  80                 return;
  81         }
  82         if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
  83                 strlen(cfg_parser->chroot)) == 0) {
  84                 filename += strlen(cfg_parser->chroot);
  85         }
  86         nm = strdup(filename);
  87         if(!nm) {
  88                 ub_c_error_msg("include %s: strdup failure", filename);
  89                 free(s);
  90                 return;
  91         }
  92         input = fopen(filename, "r");
  93         if(!input) {
  94                 ub_c_error_msg("cannot open include file '%s': %s",
  95                         filename, strerror(errno));
  96                 free(s);
  97                 free(nm);
  98                 return;
  99         }
 100         LEXOUT(("switch_to_include_file(%s)\n", filename));
 101         s->filename = cfg_parser->filename;
 102         s->line = cfg_parser->line;
 103         s->buffer = YY_CURRENT_BUFFER;
 104         s->next = config_include_stack;
 105         config_include_stack = s;
 106         cfg_parser->filename = nm;
 107         cfg_parser->line = 1;
 108         yy_switch_to_buffer(yy_create_buffer(input, YY_BUF_SIZE));
 109 }
 110
 111 static void config_start_include_glob(const char* filename)
 112 {
 113
 114         /* check for wildcards */
 115 #ifdef HAVE_GLOB
 116         glob_t g;
 117         size_t i;
 118         int r, flags;
 119         if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') &&
 120                 !strchr(filename, '{') && !strchr(filename, '~'))) {
 121                 flags = 0
 122 #ifdef GLOB_ERR
 123                         | GLOB_ERR
 124 #endif
 125 #ifdef GLOB_NOSORT
 126                         | GLOB_NOSORT
 127 #endif
 128 #ifdef GLOB_BRACE
 129                         | GLOB_BRACE
 130 #endif
 131 #ifdef GLOB_TILDE
 132                         | GLOB_TILDE
 133 #endif
 134                 ;
 135                 memset(&g, 0, sizeof(g));
 136                 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
 137                         strlen(cfg_parser->chroot)) == 0) {
 138                         filename += strlen(cfg_parser->chroot);
 139                 }
 140                 r = glob(filename, flags, NULL, &g);
 141                 if(r) {
 142                         /* some error */
 143                         globfree(&g);
 144                         if(r == GLOB_NOMATCH)
 145                                 return; /* no matches for pattern */
 146                         config_start_include(filename); /* let original deal with it */
 147                         return;
 148                 }
 149                 /* process files found, if any */
 150                 for(i=0; i<(size_t)g.gl_pathc; i++) {
 151                         config_start_include(g.gl_pathv[i]);
 152                 }
 153                 globfree(&g);
 154                 return;
 155         }
 156 #endif /* HAVE_GLOB */
 157
 158         config_start_include(filename);
 159 }
 160
 161 static void config_end_include(void)
 162 {
 163         struct inc_state* s = config_include_stack;
 164         --inc_depth;
 165         if(!s) return;
 166         free(cfg_parser->filename);
 167         cfg_parser->filename = s->filename;
 168         cfg_parser->line = s->line;
 169         yy_delete_buffer(YY_CURRENT_BUFFER);
 170         yy_switch_to_buffer(s->buffer);
 171         config_include_stack = s->next;
 172         free(s);
 173 }
 174
 175 #ifndef yy_set_bol /* compat definition, for flex 2.4.6 */
 176 #define yy_set_bol(at_bol) \
 177         { \
 178                 if ( ! yy_current_buffer ) \
 179                         yy_current_buffer = yy_create_buffer( ub_c_in, YY_BUF_SIZE ); \
 180                 yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \
 181         }
 182 #endif
 183
 184 %}
 185 %option noinput
 186 %option nounput
 187 %{
 188 #ifndef YY_NO_UNPUT
 189 #define YY_NO_UNPUT 1
 190 #endif
 191 #ifndef YY_NO_INPUT
 192 #define YY_NO_INPUT 1
 193 #endif
 194 %}
 195
 196 SPACE   [ \t]
 197 LETTER  [a-zA-Z]
 198 UNQUOTEDLETTER [^\'\"\n\r \t\\]|\\.
 199 UNQUOTEDLETTER_NOCOLON [^\:\'\"\n\r \t\\]|\\.
 200 NEWLINE [\r\n]
 201 COMMENT \#
 202 COLON   \:
 203 DQANY     [^\"\n\r\\]|\\.
 204 SQANY     [^\'\n\r\\]|\\.
 205
 206 %x      quotedstring singlequotedstr include include_quoted val
 207
 208 %%
 209 <INITIAL,val>{SPACE}*   {
 210         LEXOUT(("SP ")); /* ignore */ }
 211 <INITIAL,val>{SPACE}*{COMMENT}.*        {
 212         /* note that flex makes the longest match and '.' is any but not nl */
 213         LEXOUT(("comment(%s) ", ub_c_text)); /* ignore */ }
 214 server{COLON}                   { YDVAR(0, VAR_SERVER) }
 215 qname-minimisation{COLON}       { YDVAR(1, VAR_QNAME_MINIMISATION) }
 216 qname-minimisation-strict{COLON} { YDVAR(1, VAR_QNAME_MINIMISATION_STRICT) }
 217 num-threads{COLON}              { YDVAR(1, VAR_NUM_THREADS) }
 218 verbosity{COLON}                { YDVAR(1, VAR_VERBOSITY) }
 219 port{COLON}                     { YDVAR(1, VAR_PORT) }
 220 outgoing-range{COLON}           { YDVAR(1, VAR_OUTGOING_RANGE) }
 221 outgoing-port-permit{COLON}     { YDVAR(1, VAR_OUTGOING_PORT_PERMIT) }
 222 outgoing-port-avoid{COLON}      { YDVAR(1, VAR_OUTGOING_PORT_AVOID) }
 223 outgoing-num-tcp{COLON}         { YDVAR(1, VAR_OUTGOING_NUM_TCP) }
 224 incoming-num-tcp{COLON}         { YDVAR(1, VAR_INCOMING_NUM_TCP) }
 225 do-ip4{COLON}                   { YDVAR(1, VAR_DO_IP4) }
 226 do-ip6{COLON}                   { YDVAR(1, VAR_DO_IP6) }
 227 prefer-ip6{COLON}               { YDVAR(1, VAR_PREFER_IP6) }
 228 do-udp{COLON}                   { YDVAR(1, VAR_DO_UDP) }
 229 do-tcp{COLON}                   { YDVAR(1, VAR_DO_TCP) }
 230 tcp-upstream{COLON}             { YDVAR(1, VAR_TCP_UPSTREAM) }
 231 tcp-mss{COLON}                  { YDVAR(1, VAR_TCP_MSS) }
 232 outgoing-tcp-mss{COLON}         { YDVAR(1, VAR_OUTGOING_TCP_MSS) }
 233 ssl-upstream{COLON}             { YDVAR(1, VAR_SSL_UPSTREAM) }
 234 ssl-service-key{COLON}          { YDVAR(1, VAR_SSL_SERVICE_KEY) }
 235 ssl-service-pem{COLON}          { YDVAR(1, VAR_SSL_SERVICE_PEM) }
 236 ssl-port{COLON}                 { YDVAR(1, VAR_SSL_PORT) }
 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 local-zone{COLON}               { YDVAR(2, VAR_LOCAL_ZONE) }
 338 local-data{COLON}               { YDVAR(1, VAR_LOCAL_DATA) }
 339 local-data-ptr{COLON}           { YDVAR(1, VAR_LOCAL_DATA_PTR) }
 340 unblock-lan-zones{COLON}        { YDVAR(1, VAR_UNBLOCK_LAN_ZONES) }
 341 insecure-lan-zones{COLON}       { YDVAR(1, VAR_INSECURE_LAN_ZONES) }
 342 statistics-interval{COLON}      { YDVAR(1, VAR_STATISTICS_INTERVAL) }
 343 statistics-cumulative{COLON}    { YDVAR(1, VAR_STATISTICS_CUMULATIVE) }
 344 extended-statistics{COLON}      { YDVAR(1, VAR_EXTENDED_STATISTICS) }
 345 remote-control{COLON}           { YDVAR(0, VAR_REMOTE_CONTROL) }
 346 control-enable{COLON}           { YDVAR(1, VAR_CONTROL_ENABLE) }
 347 control-interface{COLON}        { YDVAR(1, VAR_CONTROL_INTERFACE) }
 348 control-port{COLON}             { YDVAR(1, VAR_CONTROL_PORT) }
 349 control-use-cert{COLON}         { YDVAR(1, VAR_CONTROL_USE_CERT) }
 350 server-key-file{COLON}          { YDVAR(1, VAR_SERVER_KEY_FILE) }
 351 server-cert-file{COLON}         { YDVAR(1, VAR_SERVER_CERT_FILE) }
 352 control-key-file{COLON}         { YDVAR(1, VAR_CONTROL_KEY_FILE) }
 353 control-cert-file{COLON}        { YDVAR(1, VAR_CONTROL_CERT_FILE) }
 354 python-script{COLON}            { YDVAR(1, VAR_PYTHON_SCRIPT) }
 355 python{COLON}                   { YDVAR(0, VAR_PYTHON) }
 356 domain-insecure{COLON}          { YDVAR(1, VAR_DOMAIN_INSECURE) }
 357 minimal-responses{COLON}        { YDVAR(1, VAR_MINIMAL_RESPONSES) }
 358 rrset-roundrobin{COLON}         { YDVAR(1, VAR_RRSET_ROUNDROBIN) }
 359 max-udp-size{COLON}             { YDVAR(1, VAR_MAX_UDP_SIZE) }
 360 dns64-prefix{COLON}             { YDVAR(1, VAR_DNS64_PREFIX) }
 361 dns64-synthall{COLON}           { YDVAR(1, VAR_DNS64_SYNTHALL) }
 362 define-tag{COLON}               { YDVAR(1, VAR_DEFINE_TAG) }
 363 local-zone-tag{COLON}           { YDVAR(2, VAR_LOCAL_ZONE_TAG) }
 364 access-control-tag{COLON}       { YDVAR(2, VAR_ACCESS_CONTROL_TAG) }
 365 access-control-tag-action{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_ACTION) }
 366 access-control-tag-data{COLON}  { YDVAR(3, VAR_ACCESS_CONTROL_TAG_DATA) }
 367 access-control-view{COLON}      { YDVAR(2, VAR_ACCESS_CONTROL_VIEW) }
 368 local-zone-override{COLON}      { YDVAR(3, VAR_LOCAL_ZONE_OVERRIDE) }
 369 dnstap{COLON}                   { YDVAR(0, VAR_DNSTAP) }
 370 dnstap-enable{COLON}            { YDVAR(1, VAR_DNSTAP_ENABLE) }
 371 dnstap-socket-path{COLON}       { YDVAR(1, VAR_DNSTAP_SOCKET_PATH) }
 372 dnstap-send-identity{COLON}     { YDVAR(1, VAR_DNSTAP_SEND_IDENTITY) }
 373 dnstap-send-version{COLON}      { YDVAR(1, VAR_DNSTAP_SEND_VERSION) }
 374 dnstap-identity{COLON}          { YDVAR(1, VAR_DNSTAP_IDENTITY) }
 375 dnstap-version{COLON}           { YDVAR(1, VAR_DNSTAP_VERSION) }
 376 dnstap-log-resolver-query-messages{COLON}       {
 377                 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES) }
 378 dnstap-log-resolver-response-messages{COLON}    {
 379                 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES) }
 380 dnstap-log-client-query-messages{COLON}         {
 381                 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES) }
 382 dnstap-log-client-response-messages{COLON}      {
 383                 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES) }
 384 dnstap-log-forwarder-query-messages{COLON}      {
 385                 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES) }
 386 dnstap-log-forwarder-response-messages{COLON}   {
 387                 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES) }
 388 disable-dnssec-lame-check{COLON} { YDVAR(1, VAR_DISABLE_DNSSEC_LAME_CHECK) }
 389 ratelimit{COLON}                { YDVAR(1, VAR_RATELIMIT) }
 390 ratelimit-slabs{COLON}          { YDVAR(1, VAR_RATELIMIT_SLABS) }
 391 ratelimit-size{COLON}           { YDVAR(1, VAR_RATELIMIT_SIZE) }
 392 ratelimit-for-domain{COLON}     { YDVAR(2, VAR_RATELIMIT_FOR_DOMAIN) }
 393 ratelimit-below-domain{COLON}   { YDVAR(2, VAR_RATELIMIT_BELOW_DOMAIN) }
 394 ratelimit-factor{COLON}         { YDVAR(1, VAR_RATELIMIT_FACTOR) }
 395 <INITIAL,val>{NEWLINE}          { LEXOUT(("NL\n")); cfg_parser->line++; }
 396
 397         /* Quoted strings. Strip leading and ending quotes */
 398 <val>\"                 { BEGIN(quotedstring); LEXOUT(("QS ")); }
 399 <quotedstring><<EOF>>   {
 400         ub_c_error("EOF inside quoted string");
 401         if(--num_args == 0) { BEGIN(INITIAL); }
 402         else                { BEGIN(val); }
 403 }
 404 <quotedstring>{DQANY}*  { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
 405 <quotedstring>{NEWLINE} { ub_c_error("newline inside quoted string, no end \"");
 406                           cfg_parser->line++; BEGIN(INITIAL); }
 407 <quotedstring>\" {
 408         LEXOUT(("QE "));
 409         if(--num_args == 0) { BEGIN(INITIAL); }
 410         else                { BEGIN(val); }
 411         ub_c_text[ub_c_leng - 1] = '\0';
 412         ub_c_lval.str = strdup(ub_c_text);
 413         if(!ub_c_lval.str)
 414                 ub_c_error("out of memory");
 415         return STRING_ARG;
 416 }
 417
 418         /* Single Quoted strings. Strip leading and ending quotes */
 419 <val>\'                 { BEGIN(singlequotedstr); LEXOUT(("SQS ")); }
 420 <singlequotedstr><<EOF>>   {
 421         ub_c_error("EOF inside quoted string");
 422         if(--num_args == 0) { BEGIN(INITIAL); }
 423         else                { BEGIN(val); }
 424 }
 425 <singlequotedstr>{SQANY}*  { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
 426 <singlequotedstr>{NEWLINE} { ub_c_error("newline inside quoted string, no end '");
 427                              cfg_parser->line++; BEGIN(INITIAL); }
 428 <singlequotedstr>\' {
 429         LEXOUT(("SQE "));
 430         if(--num_args == 0) { BEGIN(INITIAL); }
 431         else                { BEGIN(val); }
 432         ub_c_text[ub_c_leng - 1] = '\0';
 433         ub_c_lval.str = strdup(ub_c_text);
 434         if(!ub_c_lval.str)
 435                 ub_c_error("out of memory");
 436         return STRING_ARG;
 437 }
 438
 439         /* include: directive */
 440 <INITIAL,val>include{COLON}     {
 441         LEXOUT(("v(%s) ", ub_c_text)); inc_prev = YYSTATE; BEGIN(include); }
 442 <include><<EOF>>        {
 443         ub_c_error("EOF inside include directive");
 444         BEGIN(inc_prev);
 445 }
 446 <include>{SPACE}*       { LEXOUT(("ISP ")); /* ignore */ }
 447 <include>{NEWLINE}      { LEXOUT(("NL\n")); cfg_parser->line++;}
 448 <include>\"             { LEXOUT(("IQS ")); BEGIN(include_quoted); }
 449 <include>{UNQUOTEDLETTER}*      {
 450         LEXOUT(("Iunquotedstr(%s) ", ub_c_text));
 451         config_start_include_glob(ub_c_text);
 452         BEGIN(inc_prev);
 453 }
 454 <include_quoted><<EOF>> {
 455         ub_c_error("EOF inside quoted string");
 456         BEGIN(inc_prev);
 457 }
 458 <include_quoted>{DQANY}*        { LEXOUT(("ISTR(%s) ", ub_c_text)); yymore(); }
 459 <include_quoted>{NEWLINE}       { ub_c_error("newline before \" in include name");
 460                                   cfg_parser->line++; BEGIN(inc_prev); }
 461 <include_quoted>\"      {
 462         LEXOUT(("IQE "));
 463         ub_c_text[ub_c_leng - 1] = '\0';
 464         config_start_include_glob(ub_c_text);
 465         BEGIN(inc_prev);
 466 }
 467 <INITIAL,val><<EOF>>    {
 468         LEXOUT(("LEXEOF "));
 469         yy_set_bol(1); /* Set beginning of line, so "^" rules match.  */
 470         if (!config_include_stack) {
 471                 yyterminate();
 472         } else {
 473                 fclose(ub_c_in);
 474                 config_end_include();
 475         }
 476 }
 477
 478 <val>{UNQUOTEDLETTER}*  { LEXOUT(("unquotedstr(%s) ", ub_c_text));
 479                         if(--num_args == 0) { BEGIN(INITIAL); }
 480                         ub_c_lval.str = strdup(ub_c_text); return STRING_ARG; }
 481
 482 {UNQUOTEDLETTER_NOCOLON}*       {
 483         ub_c_error_msg("unknown keyword '%s'", ub_c_text);
 484         }
 485
 486 <*>.    {
 487         ub_c_error_msg("stray '%s'", ub_c_text);
 488         }
 489
 490 %%