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 #pragma GCC diagnostic ignored "-Wsign-compare"
  14
  15 #include <ctype.h>
  16 #include <string.h>
  17 #include <strings.h>
  18 #ifdef HAVE_GLOB_H
  19 # include <glob.h>
  20 #endif
  21
  22 #include "util/config_file.h"
  23 #include "configparser.h"
  24 void ub_c_error(const char *message);
  25
  26 #if 0
  27 #define LEXOUT(s)  printf s /* used ONLY when debugging */
  28 #else
  29 #define LEXOUT(s)
  30 #endif
  31
  32 /** avoid warning in about fwrite return value */
  33 #define ECHO ub_c_error_msg("syntax error at text: %s", ub_c_text)
  34
  35 /** A parser variable, this is a statement in the config file which is
  36  * of the form variable: value1 value2 ...  nargs is the number of values. */
  37 #define YDVAR(nargs, var) \
  38         num_args=(nargs); \
  39         LEXOUT(("v(%s%d) ", ub_c_text, num_args)); \
  40         if(num_args > 0) { BEGIN(val); } \
  41         return (var);
  42
  43 struct inc_state {
  44         char* filename;
  45         int line;
  46         YY_BUFFER_STATE buffer;
  47         struct inc_state* next;
  48 };
  49 static struct inc_state* config_include_stack = NULL;
  50 static int inc_depth = 0;
  51 static int inc_prev = 0;
  52 static int num_args = 0;
  53
  54 void init_cfg_parse(void)
  55 {
  56         config_include_stack = NULL;
  57         inc_depth = 0;
  58         inc_prev = 0;
  59         num_args = 0;
  60 }
  61
  62 static void config_start_include(const char* filename)
  63 {
  64         FILE *input;
  65         struct inc_state* s;
  66         char* nm;
  67         if(inc_depth++ > 100000) {
  68                 ub_c_error_msg("too many include files");
  69                 return;
  70         }
  71         if(*filename == '\0') {
  72                 ub_c_error_msg("empty include file name");
  73                 return;
  74         }
  75         s = (struct inc_state*)malloc(sizeof(*s));
  76         if(!s) {
  77                 ub_c_error_msg("include %s: malloc failure", filename);
  78                 return;
  79         }
  80         if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
  81                 strlen(cfg_parser->chroot)) == 0) {
  82                 filename += strlen(cfg_parser->chroot);
  83         }
  84         nm = strdup(filename);
  85         if(!nm) {
  86                 ub_c_error_msg("include %s: strdup failure", filename);
  87                 free(s);
  88                 return;
  89         }
  90         input = fopen(filename, "r");
  91         if(!input) {
  92                 ub_c_error_msg("cannot open include file '%s': %s",
  93                         filename, strerror(errno));
  94                 free(s);
  95                 free(nm);
  96                 return;
  97         }
  98         LEXOUT(("switch_to_include_file(%s)\n", filename));
  99         s->filename = cfg_parser->filename;
 100         s->line = cfg_parser->line;
 101         s->buffer = YY_CURRENT_BUFFER;
 102         s->next = config_include_stack;
 103         config_include_stack = s;
 104         cfg_parser->filename = nm;
 105         cfg_parser->line = 1;
 106         yy_switch_to_buffer(yy_create_buffer(input, YY_BUF_SIZE));
 107 }
 108
 109 static void config_start_include_glob(const char* filename)
 110 {
 111
 112         /* check for wildcards */
 113 #ifdef HAVE_GLOB
 114         glob_t g;
 115         size_t i;
 116         int r, flags;
 117         if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') &&
 118                 !strchr(filename, '{') && !strchr(filename, '~'))) {
 119                 flags = 0
 120 #ifdef GLOB_ERR
 121                         | GLOB_ERR
 122 #endif
 123 #ifdef GLOB_NOSORT
 124                         | GLOB_NOSORT
 125 #endif
 126 #ifdef GLOB_BRACE
 127                         | GLOB_BRACE
 128 #endif
 129 #ifdef GLOB_TILDE
 130                         | GLOB_TILDE
 131 #endif
 132                 ;
 133                 memset(&g, 0, sizeof(g));
 134                 if(cfg_parser->chroot && strncmp(filename, cfg_parser->chroot,
 135                         strlen(cfg_parser->chroot)) == 0) {
 136                         filename += strlen(cfg_parser->chroot);
 137                 }
 138                 r = glob(filename, flags, NULL, &g);
 139                 if(r) {
 140                         /* some error */
 141                         globfree(&g);
 142                         if(r == GLOB_NOMATCH)
 143                                 return; /* no matches for pattern */
 144                         config_start_include(filename); /* let original deal with it */
 145                         return;
 146                 }
 147                 /* process files found, if any */
 148                 for(i=0; i<(size_t)g.gl_pathc; i++) {
 149                         config_start_include(g.gl_pathv[i]);
 150                 }
 151                 globfree(&g);
 152                 return;
 153         }
 154 #endif /* HAVE_GLOB */
 155
 156         config_start_include(filename);
 157 }
 158
 159 static void config_end_include(void)
 160 {
 161         struct inc_state* s = config_include_stack;
 162         --inc_depth;
 163         if(!s) return;
 164         free(cfg_parser->filename);
 165         cfg_parser->filename = s->filename;
 166         cfg_parser->line = s->line;
 167         yy_delete_buffer(YY_CURRENT_BUFFER);
 168         yy_switch_to_buffer(s->buffer);
 169         config_include_stack = s->next;
 170         free(s);
 171 }
 172
 173 #ifndef yy_set_bol /* compat definition, for flex 2.4.6 */
 174 #define yy_set_bol(at_bol) \
 175         { \
 176                 if ( ! yy_current_buffer ) \
 177                         yy_current_buffer = yy_create_buffer( ub_c_in, YY_BUF_SIZE ); \
 178                 yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \
 179         }
 180 #endif
 181
 182 %}
 183 %option noinput
 184 %option nounput
 185 %{
 186 #ifndef YY_NO_UNPUT
 187 #define YY_NO_UNPUT 1
 188 #endif
 189 #ifndef YY_NO_INPUT
 190 #define YY_NO_INPUT 1
 191 #endif
 192 %}
 193
 194 SPACE   [ \t]
 195 LETTER  [a-zA-Z]
 196 UNQUOTEDLETTER [^\'\"\n\r \t\\]|\\.
 197 UNQUOTEDLETTER_NOCOLON [^\:\'\"\n\r \t\\]|\\.
 198 NEWLINE [\r\n]
 199 COMMENT \#
 200 COLON   \:
 201 DQANY     [^\"\n\r\\]|\\.
 202 SQANY     [^\'\n\r\\]|\\.
 203
 204 %x      quotedstring singlequotedstr include include_quoted val
 205
 206 %%
 207 <INITIAL,val>{SPACE}*   {
 208         LEXOUT(("SP ")); /* ignore */ }
 209 <INITIAL,val>{SPACE}*{COMMENT}.*        {
 210         /* note that flex makes the longest match and '.' is any but not nl */
 211         LEXOUT(("comment(%s) ", ub_c_text)); /* ignore */ }
 212 server{COLON}                   { YDVAR(0, VAR_SERVER) }
 213 qname-minimisation{COLON}       { YDVAR(1, VAR_QNAME_MINIMISATION) }
 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 ssl-upstream{COLON}             { YDVAR(1, VAR_SSL_UPSTREAM) }
 231 ssl-service-key{COLON}          { YDVAR(1, VAR_SSL_SERVICE_KEY) }
 232 ssl-service-pem{COLON}          { YDVAR(1, VAR_SSL_SERVICE_PEM) }
 233 ssl-port{COLON}                 { YDVAR(1, VAR_SSL_PORT) }
 234 do-daemonize{COLON}             { YDVAR(1, VAR_DO_DAEMONIZE) }
 235 interface{COLON}                { YDVAR(1, VAR_INTERFACE) }
 236 ip-address{COLON}               { YDVAR(1, VAR_INTERFACE) }
 237 outgoing-interface{COLON}       { YDVAR(1, VAR_OUTGOING_INTERFACE) }
 238 interface-automatic{COLON}      { YDVAR(1, VAR_INTERFACE_AUTOMATIC) }
 239 so-rcvbuf{COLON}                { YDVAR(1, VAR_SO_RCVBUF) }
 240 so-sndbuf{COLON}                { YDVAR(1, VAR_SO_SNDBUF) }
 241 so-reuseport{COLON}             { YDVAR(1, VAR_SO_REUSEPORT) }
 242 ip-transparent{COLON}           { YDVAR(1, VAR_IP_TRANSPARENT) }
 243 ip-freebind{COLON}              { YDVAR(1, VAR_IP_FREEBIND) }
 244 chroot{COLON}                   { YDVAR(1, VAR_CHROOT) }
 245 username{COLON}                 { YDVAR(1, VAR_USERNAME) }
 246 directory{COLON}                { YDVAR(1, VAR_DIRECTORY) }
 247 logfile{COLON}                  { YDVAR(1, VAR_LOGFILE) }
 248 pidfile{COLON}                  { YDVAR(1, VAR_PIDFILE) }
 249 root-hints{COLON}               { YDVAR(1, VAR_ROOT_HINTS) }
 250 edns-buffer-size{COLON}         { YDVAR(1, VAR_EDNS_BUFFER_SIZE) }
 251 msg-buffer-size{COLON}          { YDVAR(1, VAR_MSG_BUFFER_SIZE) }
 252 msg-cache-size{COLON}           { YDVAR(1, VAR_MSG_CACHE_SIZE) }
 253 msg-cache-slabs{COLON}          { YDVAR(1, VAR_MSG_CACHE_SLABS) }
 254 rrset-cache-size{COLON}         { YDVAR(1, VAR_RRSET_CACHE_SIZE) }
 255 rrset-cache-slabs{COLON}        { YDVAR(1, VAR_RRSET_CACHE_SLABS) }
 256 cache-max-ttl{COLON}            { YDVAR(1, VAR_CACHE_MAX_TTL) }
 257 cache-max-negative-ttl{COLON}   { YDVAR(1, VAR_CACHE_MAX_NEGATIVE_TTL) }
 258 cache-min-ttl{COLON}            { YDVAR(1, VAR_CACHE_MIN_TTL) }
 259 infra-host-ttl{COLON}           { YDVAR(1, VAR_INFRA_HOST_TTL) }
 260 infra-lame-ttl{COLON}           { YDVAR(1, VAR_INFRA_LAME_TTL) }
 261 infra-cache-slabs{COLON}        { YDVAR(1, VAR_INFRA_CACHE_SLABS) }
 262 infra-cache-numhosts{COLON}     { YDVAR(1, VAR_INFRA_CACHE_NUMHOSTS) }
 263 infra-cache-lame-size{COLON}    { YDVAR(1, VAR_INFRA_CACHE_LAME_SIZE) }
 264 infra-cache-min-rtt{COLON}      { YDVAR(1, VAR_INFRA_CACHE_MIN_RTT) }
 265 num-queries-per-thread{COLON}   { YDVAR(1, VAR_NUM_QUERIES_PER_THREAD) }
 266 jostle-timeout{COLON}           { YDVAR(1, VAR_JOSTLE_TIMEOUT) }
 267 delay-close{COLON}              { YDVAR(1, VAR_DELAY_CLOSE) }
 268 target-fetch-policy{COLON}      { YDVAR(1, VAR_TARGET_FETCH_POLICY) }
 269 harden-short-bufsize{COLON}     { YDVAR(1, VAR_HARDEN_SHORT_BUFSIZE) }
 270 harden-large-queries{COLON}     { YDVAR(1, VAR_HARDEN_LARGE_QUERIES) }
 271 harden-glue{COLON}              { YDVAR(1, VAR_HARDEN_GLUE) }
 272 harden-dnssec-stripped{COLON}   { YDVAR(1, VAR_HARDEN_DNSSEC_STRIPPED) }
 273 harden-below-nxdomain{COLON}    { YDVAR(1, VAR_HARDEN_BELOW_NXDOMAIN) }
 274 harden-referral-path{COLON}     { YDVAR(1, VAR_HARDEN_REFERRAL_PATH) }
 275 harden-algo-downgrade{COLON}    { YDVAR(1, VAR_HARDEN_ALGO_DOWNGRADE) }
 276 use-caps-for-id{COLON}          { YDVAR(1, VAR_USE_CAPS_FOR_ID) }
 277 caps-whitelist{COLON}           { YDVAR(1, VAR_CAPS_WHITELIST) }
 278 unwanted-reply-threshold{COLON} { YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) }
 279 private-address{COLON}          { YDVAR(1, VAR_PRIVATE_ADDRESS) }
 280 private-domain{COLON}           { YDVAR(1, VAR_PRIVATE_DOMAIN) }
 281 prefetch-key{COLON}             { YDVAR(1, VAR_PREFETCH_KEY) }
 282 prefetch{COLON}                 { YDVAR(1, VAR_PREFETCH) }
 283 stub-zone{COLON}                { YDVAR(0, VAR_STUB_ZONE) }
 284 name{COLON}                     { YDVAR(1, VAR_NAME) }
 285 stub-addr{COLON}                { YDVAR(1, VAR_STUB_ADDR) }
 286 stub-host{COLON}                { YDVAR(1, VAR_STUB_HOST) }
 287 stub-prime{COLON}               { YDVAR(1, VAR_STUB_PRIME) }
 288 stub-first{COLON}               { YDVAR(1, VAR_STUB_FIRST) }
 289 forward-zone{COLON}             { YDVAR(0, VAR_FORWARD_ZONE) }
 290 forward-addr{COLON}             { YDVAR(1, VAR_FORWARD_ADDR) }
 291 forward-host{COLON}             { YDVAR(1, VAR_FORWARD_HOST) }
 292 forward-first{COLON}            { YDVAR(1, VAR_FORWARD_FIRST) }
 293 do-not-query-address{COLON}     { YDVAR(1, VAR_DO_NOT_QUERY_ADDRESS) }
 294 do-not-query-localhost{COLON}   { YDVAR(1, VAR_DO_NOT_QUERY_LOCALHOST) }
 295 access-control{COLON}           { YDVAR(2, VAR_ACCESS_CONTROL) }
 296 hide-identity{COLON}            { YDVAR(1, VAR_HIDE_IDENTITY) }
 297 hide-version{COLON}             { YDVAR(1, VAR_HIDE_VERSION) }
 298 identity{COLON}                 { YDVAR(1, VAR_IDENTITY) }
 299 version{COLON}                  { YDVAR(1, VAR_VERSION) }
 300 module-config{COLON}            { YDVAR(1, VAR_MODULE_CONF) }
 301 dlv-anchor{COLON}               { YDVAR(1, VAR_DLV_ANCHOR) }
 302 dlv-anchor-file{COLON}          { YDVAR(1, VAR_DLV_ANCHOR_FILE) }
 303 trust-anchor-file{COLON}        { YDVAR(1, VAR_TRUST_ANCHOR_FILE) }
 304 auto-trust-anchor-file{COLON}   { YDVAR(1, VAR_AUTO_TRUST_ANCHOR_FILE) }
 305 trusted-keys-file{COLON}        { YDVAR(1, VAR_TRUSTED_KEYS_FILE) }
 306 trust-anchor{COLON}             { YDVAR(1, VAR_TRUST_ANCHOR) }
 307 val-override-date{COLON}        { YDVAR(1, VAR_VAL_OVERRIDE_DATE) }
 308 val-sig-skew-min{COLON}         { YDVAR(1, VAR_VAL_SIG_SKEW_MIN) }
 309 val-sig-skew-max{COLON}         { YDVAR(1, VAR_VAL_SIG_SKEW_MAX) }
 310 val-bogus-ttl{COLON}            { YDVAR(1, VAR_BOGUS_TTL) }
 311 val-clean-additional{COLON}     { YDVAR(1, VAR_VAL_CLEAN_ADDITIONAL) }
 312 val-permissive-mode{COLON}      { YDVAR(1, VAR_VAL_PERMISSIVE_MODE) }
 313 ignore-cd-flag{COLON}           { YDVAR(1, VAR_IGNORE_CD_FLAG) }
 314 val-log-level{COLON}            { YDVAR(1, VAR_VAL_LOG_LEVEL) }
 315 key-cache-size{COLON}           { YDVAR(1, VAR_KEY_CACHE_SIZE) }
 316 key-cache-slabs{COLON}          { YDVAR(1, VAR_KEY_CACHE_SLABS) }
 317 neg-cache-size{COLON}           { YDVAR(1, VAR_NEG_CACHE_SIZE) }
 318 val-nsec3-keysize-iterations{COLON}     {
 319                                   YDVAR(1, VAR_VAL_NSEC3_KEYSIZE_ITERATIONS) }
 320 add-holddown{COLON}             { YDVAR(1, VAR_ADD_HOLDDOWN) }
 321 del-holddown{COLON}             { YDVAR(1, VAR_DEL_HOLDDOWN) }
 322 keep-missing{COLON}             { YDVAR(1, VAR_KEEP_MISSING) }
 323 permit-small-holddown{COLON}    { YDVAR(1, VAR_PERMIT_SMALL_HOLDDOWN) }
 324 use-syslog{COLON}               { YDVAR(1, VAR_USE_SYSLOG) }
 325 log-time-ascii{COLON}           { YDVAR(1, VAR_LOG_TIME_ASCII) }
 326 log-queries{COLON}              { YDVAR(1, VAR_LOG_QUERIES) }
 327 local-zone{COLON}               { YDVAR(2, VAR_LOCAL_ZONE) }
 328 local-data{COLON}               { YDVAR(1, VAR_LOCAL_DATA) }
 329 local-data-ptr{COLON}           { YDVAR(1, VAR_LOCAL_DATA_PTR) }
 330 unblock-lan-zones{COLON}        { YDVAR(1, VAR_UNBLOCK_LAN_ZONES) }
 331 insecure-lan-zones{COLON}       { YDVAR(1, VAR_INSECURE_LAN_ZONES) }
 332 statistics-interval{COLON}      { YDVAR(1, VAR_STATISTICS_INTERVAL) }
 333 statistics-cumulative{COLON}    { YDVAR(1, VAR_STATISTICS_CUMULATIVE) }
 334 extended-statistics{COLON}      { YDVAR(1, VAR_EXTENDED_STATISTICS) }
 335 remote-control{COLON}           { YDVAR(0, VAR_REMOTE_CONTROL) }
 336 control-enable{COLON}           { YDVAR(1, VAR_CONTROL_ENABLE) }
 337 control-interface{COLON}        { YDVAR(1, VAR_CONTROL_INTERFACE) }
 338 control-port{COLON}             { YDVAR(1, VAR_CONTROL_PORT) }
 339 control-use-cert{COLON}         { YDVAR(1, VAR_CONTROL_USE_CERT) }
 340 server-key-file{COLON}          { YDVAR(1, VAR_SERVER_KEY_FILE) }
 341 server-cert-file{COLON}         { YDVAR(1, VAR_SERVER_CERT_FILE) }
 342 control-key-file{COLON}         { YDVAR(1, VAR_CONTROL_KEY_FILE) }
 343 control-cert-file{COLON}        { YDVAR(1, VAR_CONTROL_CERT_FILE) }
 344 python-script{COLON}            { YDVAR(1, VAR_PYTHON_SCRIPT) }
 345 python{COLON}                   { YDVAR(0, VAR_PYTHON) }
 346 domain-insecure{COLON}          { YDVAR(1, VAR_DOMAIN_INSECURE) }
 347 minimal-responses{COLON}        { YDVAR(1, VAR_MINIMAL_RESPONSES) }
 348 rrset-roundrobin{COLON}         { YDVAR(1, VAR_RRSET_ROUNDROBIN) }
 349 max-udp-size{COLON}             { YDVAR(1, VAR_MAX_UDP_SIZE) }
 350 dns64-prefix{COLON}             { YDVAR(1, VAR_DNS64_PREFIX) }
 351 dns64-synthall{COLON}           { YDVAR(1, VAR_DNS64_SYNTHALL) }
 352 define-tag{COLON}               { YDVAR(1, VAR_DEFINE_TAG) }
 353 local-zone-tag{COLON}           { YDVAR(2, VAR_LOCAL_ZONE_TAG) }
 354 access-control-tag{COLON}       { YDVAR(2, VAR_ACCESS_CONTROL_TAG) }
 355 access-control-tag-action{COLON} { YDVAR(3, VAR_ACCESS_CONTROL_TAG_ACTION) }
 356 access-control-tag-data{COLON}  { YDVAR(3, VAR_ACCESS_CONTROL_TAG_DATA) }
 357 local-zone-override{COLON}      { YDVAR(3, VAR_LOCAL_ZONE_OVERRIDE) }
 358 dnstap{COLON}                   { YDVAR(0, VAR_DNSTAP) }
 359 dnstap-enable{COLON}            { YDVAR(1, VAR_DNSTAP_ENABLE) }
 360 dnstap-socket-path{COLON}       { YDVAR(1, VAR_DNSTAP_SOCKET_PATH) }
 361 dnstap-send-identity{COLON}     { YDVAR(1, VAR_DNSTAP_SEND_IDENTITY) }
 362 dnstap-send-version{COLON}      { YDVAR(1, VAR_DNSTAP_SEND_VERSION) }
 363 dnstap-identity{COLON}          { YDVAR(1, VAR_DNSTAP_IDENTITY) }
 364 dnstap-version{COLON}           { YDVAR(1, VAR_DNSTAP_VERSION) }
 365 dnstap-log-resolver-query-messages{COLON}       {
 366                 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_QUERY_MESSAGES) }
 367 dnstap-log-resolver-response-messages{COLON}    {
 368                 YDVAR(1, VAR_DNSTAP_LOG_RESOLVER_RESPONSE_MESSAGES) }
 369 dnstap-log-client-query-messages{COLON}         {
 370                 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES) }
 371 dnstap-log-client-response-messages{COLON}      {
 372                 YDVAR(1, VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES) }
 373 dnstap-log-forwarder-query-messages{COLON}      {
 374                 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES) }
 375 dnstap-log-forwarder-response-messages{COLON}   {
 376                 YDVAR(1, VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES) }
 377 disable-dnssec-lame-check{COLON} { YDVAR(1, VAR_DISABLE_DNSSEC_LAME_CHECK) }
 378 ratelimit{COLON}                { YDVAR(1, VAR_RATELIMIT) }
 379 ratelimit-slabs{COLON}          { YDVAR(1, VAR_RATELIMIT_SLABS) }
 380 ratelimit-size{COLON}           { YDVAR(1, VAR_RATELIMIT_SIZE) }
 381 ratelimit-for-domain{COLON}     { YDVAR(2, VAR_RATELIMIT_FOR_DOMAIN) }
 382 ratelimit-below-domain{COLON}   { YDVAR(2, VAR_RATELIMIT_BELOW_DOMAIN) }
 383 ratelimit-factor{COLON}         { YDVAR(1, VAR_RATELIMIT_FACTOR) }
 384 <INITIAL,val>{NEWLINE}          { LEXOUT(("NL\n")); cfg_parser->line++; }
 385
 386         /* Quoted strings. Strip leading and ending quotes */
 387 <val>\"                 { BEGIN(quotedstring); LEXOUT(("QS ")); }
 388 <quotedstring><<EOF>>   {
 389         ub_c_error("EOF inside quoted string");
 390         if(--num_args == 0) { BEGIN(INITIAL); }
 391         else                { BEGIN(val); }
 392 }
 393 <quotedstring>{DQANY}*  { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
 394 <quotedstring>{NEWLINE} { ub_c_error("newline inside quoted string, no end \"");
 395                           cfg_parser->line++; BEGIN(INITIAL); }
 396 <quotedstring>\" {
 397         LEXOUT(("QE "));
 398         if(--num_args == 0) { BEGIN(INITIAL); }
 399         else                { BEGIN(val); }
 400         ub_c_text[ub_c_leng - 1] = '\0';
 401         ub_c_lval.str = strdup(ub_c_text);
 402         if(!ub_c_lval.str)
 403                 ub_c_error("out of memory");
 404         return STRING_ARG;
 405 }
 406
 407         /* Single Quoted strings. Strip leading and ending quotes */
 408 <val>\'                 { BEGIN(singlequotedstr); LEXOUT(("SQS ")); }
 409 <singlequotedstr><<EOF>>   {
 410         ub_c_error("EOF inside quoted string");
 411         if(--num_args == 0) { BEGIN(INITIAL); }
 412         else                { BEGIN(val); }
 413 }
 414 <singlequotedstr>{SQANY}*  { LEXOUT(("STR(%s) ", ub_c_text)); yymore(); }
 415 <singlequotedstr>{NEWLINE} { ub_c_error("newline inside quoted string, no end '");
 416                              cfg_parser->line++; BEGIN(INITIAL); }
 417 <singlequotedstr>\' {
 418         LEXOUT(("SQE "));
 419         if(--num_args == 0) { BEGIN(INITIAL); }
 420         else                { BEGIN(val); }
 421         ub_c_text[ub_c_leng - 1] = '\0';
 422         ub_c_lval.str = strdup(ub_c_text);
 423         if(!ub_c_lval.str)
 424                 ub_c_error("out of memory");
 425         return STRING_ARG;
 426 }
 427
 428         /* include: directive */
 429 <INITIAL,val>include{COLON}     {
 430         LEXOUT(("v(%s) ", ub_c_text)); inc_prev = YYSTATE; BEGIN(include); }
 431 <include><<EOF>>        {
 432         ub_c_error("EOF inside include directive");
 433         BEGIN(inc_prev);
 434 }
 435 <include>{SPACE}*       { LEXOUT(("ISP ")); /* ignore */ }
 436 <include>{NEWLINE}      { LEXOUT(("NL\n")); cfg_parser->line++;}
 437 <include>\"             { LEXOUT(("IQS ")); BEGIN(include_quoted); }
 438 <include>{UNQUOTEDLETTER}*      {
 439         LEXOUT(("Iunquotedstr(%s) ", ub_c_text));
 440         config_start_include_glob(ub_c_text);
 441         BEGIN(inc_prev);
 442 }
 443 <include_quoted><<EOF>> {
 444         ub_c_error("EOF inside quoted string");
 445         BEGIN(inc_prev);
 446 }
 447 <include_quoted>{DQANY}*        { LEXOUT(("ISTR(%s) ", ub_c_text)); yymore(); }
 448 <include_quoted>{NEWLINE}       { ub_c_error("newline before \" in include name");
 449                                   cfg_parser->line++; BEGIN(inc_prev); }
 450 <include_quoted>\"      {
 451         LEXOUT(("IQE "));
 452         ub_c_text[ub_c_leng - 1] = '\0';
 453         config_start_include_glob(ub_c_text);
 454         BEGIN(inc_prev);
 455 }
 456 <INITIAL,val><<EOF>>    {
 457         LEXOUT(("LEXEOF "));
 458         yy_set_bol(1); /* Set beginning of line, so "^" rules match.  */
 459         if (!config_include_stack) {
 460                 yyterminate();
 461         } else {
 462                 fclose(ub_c_in);
 463                 config_end_include();
 464         }
 465 }
 466
 467 <val>{UNQUOTEDLETTER}*  { LEXOUT(("unquotedstr(%s) ", ub_c_text));
 468                         if(--num_args == 0) { BEGIN(INITIAL); }
 469                         ub_c_lval.str = strdup(ub_c_text); return STRING_ARG; }
 470
 471 {UNQUOTEDLETTER_NOCOLON}*       {
 472         ub_c_error_msg("unknown keyword '%s'", ub_c_text);
 473         }
 474
 475 <*>.    {
 476         ub_c_error_msg("stray '%s'", ub_c_text);
 477         }
 478
 479 %%