ircd/ircd_parser.y

   1 /*
   2  * ircd_parser.y: A yacc/bison parser for ircd config files.
   3  * This is part of ircu, an Internet Relay Chat server.
   4  * The contents of this file are Copyright 2001 Diane Bruce,
   5  * Andrew Miller, the ircd-hybrid team and the ircu team.
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  * $Id: ircd_parser.y,v 1.56.2.1 2005/10/06 00:37:31 entrope Exp $
  21  */
  22 %{
  23
  24 #include "config.h"
  25 #include "s_conf.h"
  26 #include "class.h"
  27 #include "client.h"
  28 #include "crule.h"
  29 #include "ircd_features.h"
  30 #include "fileio.h"
  31 #include "gline.h"
  32 #include "hash.h"
  33 #include "ircd.h"
  34 #include "ircd_alloc.h"
  35 #include "ircd_auth.h"
  36 #include "ircd_chattr.h"
  37 #include "ircd_log.h"
  38 #include "ircd_reply.h"
  39 #include "ircd_snprintf.h"
  40 #include "ircd_string.h"
  41 #include "list.h"
  42 #include "listener.h"
  43 #include "match.h"
  44 #include "motd.h"
  45 #include "numeric.h"
  46 #include "numnicks.h"
  47 #include "opercmds.h"
  48 #include "parse.h"
  49 #include "res.h"
  50 #include "s_bsd.h"
  51 #include "s_conf.h"
  52 #include "s_debug.h"
  53 #include "s_misc.h"
  54 #include "send.h"
  55 #include "struct.h"
  56 #include "sys.h"
  57 #include <stdlib.h>
  58 #include <stdio.h>
  59 #include <string.h>
  60 #include <arpa/inet.h>
  61 #define MAX_STRINGS 80 /* Maximum number of feature params. */
  62   extern struct LocalConf   localConf;
  63   extern struct DenyConf*   denyConfList;
  64   extern struct CRuleConf*  cruleConfList;
  65   extern struct ServerConf* serverConfList;
  66   extern struct s_map*      GlobalServiceMapList;
  67   extern struct qline*      GlobalQuarantineList;
  68
  69   int yylex(void);
  70   /* Now all the globals we need :/... */
  71   int tping, tconn, maxlinks, sendq, port, invert, stringno, flags;
  72   char *name, *pass, *host, *ip, *username, *origin, *hub_limit;
  73   char *stringlist[MAX_STRINGS];
  74   struct ConnectionClass *c_class;
  75   struct DenyConf *dconf;
  76   struct ServerConf *sconf;
  77   struct s_map *smap;
  78   struct Privs privs;
  79   struct Privs privs_dirty;
  80
  81 static void parse_error(char *pattern,...) {
  82   static char error_buffer[1024];
  83   va_list vl;
  84   va_start(vl,pattern);
  85   ircd_vsnprintf(NULL, error_buffer, sizeof(error_buffer), pattern, vl);
  86   va_end(vl);
  87   yyerror(error_buffer);
  88 }
  89
  90 %}
  91
  92 %token <text> QSTRING
  93 %token <num> NUMBER
  94
  95 %token GENERAL
  96 %token ADMIN
  97 %token LOCATION
  98 %token CONTACT
  99 %token CONNECT
 100 %token CLASS
 101 %token CHANNEL
 102 %token PINGFREQ
 103 %token CONNECTFREQ
 104 %token MAXLINKS
 105 %token MAXHOPS
 106 %token SENDQ
 107 %token NAME
 108 %token HOST
 109 %token IP
 110 %token USERNAME
 111 %token PASS
 112 %token LOCAL
 113 %token SECONDS
 114 %token MINUTES
 115 %token HOURS
 116 %token DAYS
 117 %token WEEKS
 118 %token MONTHS
 119 %token YEARS
 120 %token DECADES
 121 %token BYTES
 122 %token KBYTES
 123 %token MBYTES
 124 %token GBYTES
 125 %token TBYTES
 126 %token SERVER
 127 %token PORT
 128 %token MASK
 129 %token HUB
 130 %token LEAF
 131 %token UWORLD
 132 %token YES
 133 %token NO
 134 %token OPER
 135 %token VHOST
 136 %token HIDDEN
 137 %token MOTD
 138 %token JUPE
 139 %token NICK
 140 %token NUMERIC
 141 %token DESCRIPTION
 142 %token CLIENT
 143 %token KILL
 144 %token CRULE
 145 %token REAL
 146 %token REASON
 147 %token TFILE
 148 %token RULE
 149 %token ALL
 150 %token FEATURES
 151 %token QUARANTINE
 152 %token PSEUDO
 153 %token PREPEND
 154 %token USERMODE
 155 %token IAUTH
 156 %token TIMEOUT
 157 %token FAST
 158 %token AUTOCONNECT
 159 /* and now a lot of privileges... */
 160 %token TPRIV_CHAN_LIMIT TPRIV_MODE_LCHAN TPRIV_DEOP_LCHAN TPRIV_WALK_LCHAN
 161 %token TPRIV_LOCAL_KILL TPRIV_REHASH TPRIV_RESTART TPRIV_DIE
 162 %token TPRIV_GLINE TPRIV_LOCAL_GLINE TPRIV_LOCAL_JUPE TPRIV_LOCAL_BADCHAN
 163 %token TPRIV_LOCAL_OPMODE TPRIV_OPMODE TPRIV_SET TPRIV_WHOX TPRIV_BADCHAN
 164 %token TPRIV_SEE_CHAN TPRIV_SHOW_INVIS TPRIV_SHOW_ALL_INVIS TPRIV_PROPAGATE
 165 %token TPRIV_UNLIMIT_QUERY TPRIV_DISPLAY TPRIV_SEE_OPERS TPRIV_WIDE_GLINE
 166 %token TPRIV_FORCE_OPMODE TPRIV_FORCE_LOCAL_OPMODE TPRIV_APASS_OPMODE
 167 /* and some types... */
 168 %type <num> sizespec
 169 %type <num> timespec timefactor factoredtimes factoredtime
 170 %type <num> expr yesorno privtype
 171 %left '+' '-'
 172 %left '*' '/'
 173
 174 %union{
 175  char *text;
 176  int num;
 177 }
 178
 179 %%
 180 /* Blocks in the config file... */
 181 blocks: blocks block | block;
 182 block: adminblock | generalblock | classblock | connectblock |
 183        uworldblock | operblock | portblock | jupeblock | clientblock |
 184        killblock | cruleblock | motdblock | featuresblock | quarantineblock |
 185        pseudoblock | iauthblock | error ';';
 186
 187 /* The timespec, sizespec and expr was ripped straight from
 188  * ircd-hybrid-7. */
 189 timespec: expr | factoredtimes;
 190
 191 factoredtimes: factoredtimes factoredtime
 192 {
 193   $$ = $1 + $2;
 194 } | factoredtime;
 195
 196 factoredtime: expr timefactor
 197 {
 198   $$ = $1 * $2;
 199 };
 200
 201 timefactor: SECONDS { $$ = 1; }
 202 | MINUTES { $$ = 60; }
 203 | HOURS { $$ = 60 * 60; }
 204 | DAYS { $$ = 60 * 60 * 24; }
 205 | WEEKS { $$ = 60 * 60 * 24 * 7; }
 206 | MONTHS { $$ = 60 * 60 * 24 * 7 * 4; }
 207 | YEARS { $$ = 60 * 60 * 24 * 365; }
 208 | DECADES { $$ = 60 * 60 * 24 * 365 * 10; };
 209
 210
 211 sizespec:       expr    {
 212                         $$ = $1;
 213                 }
 214                 | expr BYTES  {
 215                         $$ = $1;
 216                 }
 217                 | expr KBYTES {
 218                         $$ = $1 * 1024;
 219                 }
 220                 | expr MBYTES {
 221                         $$ = $1 * 1024 * 1024;
 222                 }
 223                 | expr GBYTES {
 224                         $$ = $1 * 1024 * 1024 * 1024;
 225                 }
 226                 | expr TBYTES {
 227                         $$ = $1 * 1024 * 1024 * 1024;
 228                 }
 229                 ;
 230
 231 /* this is an arithmetic expression */
 232 expr: NUMBER
 233                 {
 234                         $$ = $1;
 235                 }
 236                 | expr '+' expr {
 237                         $$ = $1 + $3;
 238                 }
 239                 | expr '-' expr {
 240                         $$ = $1 - $3;
 241                 }
 242                 | expr '*' expr {
 243                         $$ = $1 * $3;
 244                 }
 245                 | expr '/' expr {
 246                         $$ = $1 / $3;
 247                 }
 248 /* leave this out until we find why it makes BSD yacc dump core -larne
 249                 | '-' expr  %prec NEG {
 250                         $$ = -$2;
 251                 } */
 252                 | '(' expr ')' {
 253                         $$ = $2;
 254                 }
 255                 ;
 256
 257 jupeblock: JUPE '{' jupeitems '}' ';' ;
 258 jupeitems: jupeitem jupeitems | jupeitem;
 259 jupeitem: jupenick;
 260 jupenick: NICK '=' QSTRING ';'
 261 {
 262   addNickJupes($3);
 263   MyFree($3);
 264 };
 265
 266 generalblock: GENERAL
 267 {
 268     /* Zero out the vhost addresses, in case they were removed. */
 269     memset(&VirtualHost_v4.addr, 0, sizeof(VirtualHost_v4.addr));
 270     memset(&VirtualHost_v6.addr, 0, sizeof(VirtualHost_v6.addr));
 271 } '{' generalitems '}' ';' {
 272   if (localConf.name == NULL)
 273     parse_error("Your General block must contain a name.");
 274   if (localConf.numeric == 0)
 275     parse_error("Your General block must contain a numeric (between 1 and 4095).");
 276 };
 277 generalitems: generalitem generalitems | generalitem;
 278 generalitem: generalnumeric | generalname | generalvhost | generaldesc;
 279 generalnumeric: NUMERIC '=' NUMBER ';'
 280 {
 281   if (localConf.numeric == 0)
 282     localConf.numeric = $3;
 283   else if (localConf.numeric != $3)
 284     parse_error("Redefinition of server numeric %i (%i)", $3,
 285                 localConf.numeric);
 286 };
 287
 288 generalname: NAME '=' QSTRING ';'
 289 {
 290   if (localConf.name == NULL)
 291     localConf.name = $3;
 292   else {
 293     if (strcmp(localConf.name, $3))
 294       parse_error("Redefinition of server name %s (%s)", $3,
 295                   localConf.name);
 296     MyFree($3);
 297   }
 298 };
 299
 300 generaldesc: DESCRIPTION '=' QSTRING ';'
 301 {
 302   MyFree(localConf.description);
 303   localConf.description = $3;
 304   ircd_strncpy(cli_info(&me), $3, REALLEN);
 305 };
 306
 307 generalvhost: VHOST '=' QSTRING ';'
 308 {
 309   struct irc_in_addr addr;
 310   if (!strcmp($3, "*")) {
 311     /* This traditionally meant bind to all interfaces and connect
 312      * from the default. */
 313   } else if (!ircd_aton(&addr, $3))
 314     parse_error("Invalid virtual host '%s'.", $3);
 315   else if (irc_in_addr_is_ipv4(&addr))
 316     memcpy(&VirtualHost_v4.addr, &addr, sizeof(addr));
 317   else
 318     memcpy(&VirtualHost_v6.addr, &addr, sizeof(addr));
 319   MyFree($3);
 320 };
 321
 322 adminblock: ADMIN '{' adminitems '}' ';'
 323 {
 324   if (localConf.location1 == NULL)
 325     DupString(localConf.location1, "");
 326   if (localConf.location2 == NULL)
 327     DupString(localConf.location2, "");
 328   if (localConf.contact == NULL)
 329     DupString(localConf.contact, "");
 330 };
 331 adminitems: adminitems adminitem | adminitem;
 332 adminitem: adminlocation | admincontact;
 333 adminlocation: LOCATION '=' QSTRING ';'
 334 {
 335   if (localConf.location1 == NULL)
 336     localConf.location1 = $3;
 337   else if (localConf.location2 == NULL)
 338     localConf.location2 = $3;
 339   else /* Otherwise just drop it. -A1kmm */
 340     MyFree($3);
 341 };
 342 admincontact: CONTACT '=' QSTRING ';'
 343 {
 344  MyFree(localConf.contact);
 345  localConf.contact = $3;
 346 };
 347
 348 classblock: CLASS {
 349   tping = 90;
 350 } '{' classitems '}' ';'
 351 {
 352   if (name != NULL)
 353   {
 354     struct ConnectionClass *c_class;
 355     add_class(name, tping, tconn, maxlinks, sendq);
 356     c_class = find_class(name);
 357     MyFree(c_class->default_umode);
 358     c_class->default_umode = pass;
 359     memcpy(&c_class->privs, &privs, sizeof(c_class->privs));
 360     memcpy(&c_class->privs_dirty, &privs_dirty, sizeof(c_class->privs_dirty));
 361   }
 362   else {
 363    parse_error("Missing name in class block");
 364   }
 365   name = NULL;
 366   pass = NULL;
 367   tconn = 0;
 368   maxlinks = 0;
 369   sendq = 0;
 370   memset(&privs, 0, sizeof(privs));
 371   memset(&privs_dirty, 0, sizeof(privs_dirty));
 372 };
 373 classitems: classitem classitems | classitem;
 374 classitem: classname | classpingfreq | classconnfreq | classmaxlinks |
 375            classsendq | classusermode | priv;
 376 classname: NAME '=' QSTRING ';'
 377 {
 378   MyFree(name);
 379   name = $3;
 380 };
 381 classpingfreq: PINGFREQ '=' timespec ';'
 382 {
 383   tping = $3;
 384 };
 385 classconnfreq: CONNECTFREQ '=' timespec ';'
 386 {
 387   tconn = $3;
 388 };
 389 classmaxlinks: MAXLINKS '=' expr ';'
 390 {
 391   maxlinks = $3;
 392 };
 393 classsendq: SENDQ '=' sizespec ';'
 394 {
 395   sendq = $3;
 396 };
 397 classusermode: USERMODE '=' QSTRING ';'
 398 {
 399   MyFree(pass);
 400   pass = $3;
 401 };
 402
 403 connectblock: CONNECT
 404 {
 405  maxlinks = 65535;
 406  flags = CONF_AUTOCONNECT;
 407 } '{' connectitems '}' ';'
 408 {
 409  struct ConfItem *aconf = NULL;
 410  if (name == NULL)
 411   parse_error("Missing name in connect block");
 412  else if (pass == NULL)
 413   parse_error("Missing password in connect block");
 414  else if (host == NULL)
 415   parse_error("Missing host in connect block");
 416  else if (strchr(host, '*') || strchr(host, '?'))
 417   parse_error("Invalid host '%s' in connect block", host);
 418  else if (c_class == NULL)
 419   parse_error("Missing or non-existent class in connect block");
 420  else {
 421    aconf = make_conf(CONF_SERVER);
 422    aconf->name = name;
 423    aconf->origin_name = origin;
 424    aconf->passwd = pass;
 425    aconf->conn_class = c_class;
 426    aconf->address.port = port;
 427    aconf->host = host;
 428    aconf->maximum = maxlinks;
 429    aconf->hub_limit = hub_limit;
 430    aconf->flags = flags;
 431    lookup_confhost(aconf);
 432  }
 433  if (!aconf) {
 434    MyFree(name);
 435    MyFree(pass);
 436    MyFree(host);
 437    MyFree(origin);
 438    MyFree(hub_limit);
 439  }
 440  name = pass = host = origin = hub_limit = NULL;
 441  c_class = NULL;
 442  port = flags = 0;
 443 };
 444 connectitems: connectitem connectitems | connectitem;
 445 connectitem: connectname | connectpass | connectclass | connecthost
 446               | connectport | connectvhost | connectleaf | connecthub
 447               | connecthublimit | connectmaxhops | connectauto;
 448 connectname: NAME '=' QSTRING ';'
 449 {
 450  MyFree(name);
 451  name = $3;
 452 };
 453 connectpass: PASS '=' QSTRING ';'
 454 {
 455  MyFree(pass);
 456  pass = $3;
 457 };
 458 connectclass: CLASS '=' QSTRING ';'
 459 {
 460  c_class = find_class($3);
 461  if (!c_class)
 462   parse_error("No such connection class '%s' for Connect block", $3);
 463  MyFree($3);
 464 };
 465 connecthost: HOST '=' QSTRING ';'
 466 {
 467  MyFree(host);
 468  host = $3;
 469 };
 470 connectport: PORT '=' NUMBER ';'
 471 {
 472  port = $3;
 473 };
 474 connectvhost: VHOST '=' QSTRING ';'
 475 {
 476  MyFree(origin);
 477  origin = $3;
 478 };
 479 connectleaf: LEAF ';'
 480 {
 481  maxlinks = 0;
 482 };
 483 connecthub: HUB ';'
 484 {
 485  MyFree(hub_limit);
 486  DupString(hub_limit, "*");
 487 };
 488 connecthublimit: HUB '=' QSTRING ';'
 489 {
 490  MyFree(hub_limit);
 491  hub_limit = $3;
 492 };
 493 connectmaxhops: MAXHOPS '=' expr ';'
 494 {
 495   maxlinks = $3;
 496 };
 497 connectauto: AUTOCONNECT '=' YES ';' { flags |= CONF_AUTOCONNECT; }
 498  | AUTOCONNECT '=' NO ';' { flags &= ~CONF_AUTOCONNECT; };
 499
 500 uworldblock: UWORLD '{' uworlditems '}' ';';
 501 uworlditems: uworlditem uworlditems | uworlditem;
 502 uworlditem: uworldname;
 503 uworldname: NAME '=' QSTRING ';'
 504 {
 505   make_conf(CONF_UWORLD)->host = $3;
 506 };
 507
 508 operblock: OPER '{' operitems '}' ';'
 509 {
 510   struct ConfItem *aconf = NULL;
 511   if (name == NULL)
 512     parse_error("Missing name in operator block");
 513   else if (pass == NULL)
 514     parse_error("Missing password in operator block");
 515   else if (host == NULL)
 516     parse_error("Missing host in operator block");
 517   else if (c_class == NULL)
 518     parse_error("Invalid or missing class in operator block");
 519   else {
 520     aconf = make_conf(CONF_OPERATOR);
 521     aconf->name = name;
 522     aconf->passwd = pass;
 523     conf_parse_userhost(aconf, host);
 524     aconf->conn_class = c_class;
 525     memcpy(&aconf->privs, &privs, sizeof(aconf->privs));
 526     memcpy(&aconf->privs_dirty, &privs_dirty, sizeof(aconf->privs_dirty));
 527     if (!FlagHas(&privs_dirty, PRIV_PROPAGATE)
 528         && !FlagHas(&c_class->privs_dirty, PRIV_PROPAGATE))
 529       parse_error("Operator block for %s and class %s have no LOCAL setting", name, c_class->cc_name);
 530   }
 531   if (!aconf) {
 532     MyFree(name);
 533     MyFree(pass);
 534     MyFree(host);
 535   }
 536   name = pass = host = NULL;
 537   c_class = NULL;
 538   memset(&privs, 0, sizeof(privs));
 539   memset(&privs_dirty, 0, sizeof(privs_dirty));
 540 };
 541 operitems: operitem | operitems operitem;
 542 operitem: opername | operpass | operhost | operclass | priv;
 543 opername: NAME '=' QSTRING ';'
 544 {
 545   MyFree(name);
 546   name = $3;
 547 };
 548 operpass: PASS '=' QSTRING ';'
 549 {
 550   MyFree(pass);
 551   pass = $3;
 552 };
 553 operhost: HOST '=' QSTRING ';'
 554 {
 555  MyFree(host);
 556  if (!strchr($3, '@'))
 557  {
 558    int uh_len;
 559    host = (char*) MyMalloc((uh_len = strlen($3)+3));
 560    ircd_snprintf(0, host, uh_len, "*@%s", $3);
 561    MyFree($3);
 562  }
 563  else
 564    host = $3;
 565 };
 566 operclass: CLASS '=' QSTRING ';'
 567 {
 568  c_class = find_class($3);
 569  if (!c_class)
 570   parse_error("No such connection class '%s' for Operator block", $3);
 571  MyFree($3);
 572 };
 573
 574 priv: privtype '=' yesorno ';'
 575 {
 576   FlagSet(&privs_dirty, $1);
 577   if (($3 == 1) ^ invert)
 578     FlagSet(&privs, $1);
 579   else
 580     FlagClr(&privs, $1);
 581   invert = 0;
 582 };
 583
 584 privtype: TPRIV_CHAN_LIMIT { $$ = PRIV_CHAN_LIMIT; } |
 585           TPRIV_MODE_LCHAN { $$ = PRIV_MODE_LCHAN; } |
 586           TPRIV_DEOP_LCHAN { $$ = PRIV_DEOP_LCHAN; } |
 587           TPRIV_WALK_LCHAN { $$ = PRIV_WALK_LCHAN; } |
 588           KILL { $$ = PRIV_KILL; } |
 589           TPRIV_LOCAL_KILL { $$ = PRIV_LOCAL_KILL; } |
 590           TPRIV_REHASH { $$ = PRIV_REHASH; } |
 591           TPRIV_RESTART { $$ = PRIV_RESTART; } |
 592           TPRIV_DIE { $$ = PRIV_DIE; } |
 593           TPRIV_GLINE { $$ = PRIV_GLINE; } |
 594           TPRIV_LOCAL_GLINE { $$ = PRIV_LOCAL_GLINE; } |
 595           JUPE { $$ = PRIV_JUPE; } |
 596           TPRIV_LOCAL_JUPE { $$ = PRIV_LOCAL_JUPE; } |
 597           TPRIV_LOCAL_OPMODE { $$ = PRIV_LOCAL_OPMODE; } |
 598           TPRIV_OPMODE { $$ = PRIV_OPMODE; }|
 599           TPRIV_SET { $$ = PRIV_SET; } |
 600           TPRIV_WHOX { $$ = PRIV_WHOX; } |
 601           TPRIV_BADCHAN { $$ = PRIV_BADCHAN; } |
 602           TPRIV_LOCAL_BADCHAN { $$ = PRIV_LOCAL_BADCHAN; } |
 603           TPRIV_SEE_CHAN { $$ = PRIV_SEE_CHAN; } |
 604           TPRIV_SHOW_INVIS { $$ = PRIV_SHOW_INVIS; } |
 605           TPRIV_SHOW_ALL_INVIS { $$ = PRIV_SHOW_ALL_INVIS; } |
 606           TPRIV_PROPAGATE { $$ = PRIV_PROPAGATE; } |
 607           TPRIV_UNLIMIT_QUERY { $$ = PRIV_UNLIMIT_QUERY; } |
 608           TPRIV_DISPLAY { $$ = PRIV_DISPLAY; } |
 609           TPRIV_SEE_OPERS { $$ = PRIV_SEE_OPERS; } |
 610           TPRIV_WIDE_GLINE { $$ = PRIV_WIDE_GLINE; } |
 611           LOCAL { $$ = PRIV_PROPAGATE; invert = 1; } |
 612           TPRIV_FORCE_OPMODE { $$ = PRIV_FORCE_OPMODE; } |
 613           TPRIV_FORCE_LOCAL_OPMODE { $$ = PRIV_FORCE_LOCAL_OPMODE; } |
 614           TPRIV_APASS_OPMODE { $$ = PRIV_APASS_OPMODE; } ;
 615
 616 yesorno: YES { $$ = 1; } | NO { $$ = 0; };
 617
 618 /* The port block... */
 619 portblock: PORT '{' portitems '}' ';'
 620 {
 621   if (port > 0 && port <= 0xFFFF)
 622     add_listener(port, host, pass, tconn, tping);
 623   else
 624     parse_error("Port %d is out of range", port);
 625   MyFree(host);
 626   MyFree(pass);
 627   host = pass = NULL;
 628   port = tconn = tping = 0;
 629 };
 630 portitems: portitem portitems | portitem;
 631 portitem: portnumber | portvhost | portmask | portserver | porthidden;
 632 portnumber: PORT '=' NUMBER ';'
 633 {
 634   port = $3;
 635 };
 636
 637 portvhost: VHOST '=' QSTRING ';'
 638 {
 639   MyFree(host);
 640   host = $3;
 641 };
 642
 643 portmask: MASK '=' QSTRING ';'
 644 {
 645   MyFree(pass);
 646   pass = $3;
 647 };
 648
 649 portserver: SERVER '=' YES ';'
 650 {
 651   tconn = -1;
 652 } | SERVER '=' NO ';'
 653 {
 654   tconn = 0;
 655 };
 656
 657 porthidden: HIDDEN '=' YES ';'
 658 {
 659   tping = -1;
 660 } | HIDDEN '=' NO ';'
 661 {
 662   tping = 0;
 663 };
 664
 665 clientblock: CLIENT
 666 {
 667   maxlinks = 65535;
 668   port = 0;
 669 }
 670 '{' clientitems '}' ';'
 671 {
 672   struct ConfItem *aconf = 0;
 673   struct irc_in_addr addr;
 674   unsigned char addrbits = 0;
 675
 676   if (!c_class)
 677     parse_error("Invalid or missing class in Client block");
 678   else if (ip && !ipmask_parse(ip, &addr, &addrbits))
 679     parse_error("Invalid IP address %s in Client block", ip);
 680   else {
 681     aconf = make_conf(CONF_CLIENT);
 682     aconf->username = username;
 683     aconf->host = host;
 684     if (ip)
 685       memcpy(&aconf->address.addr, &addr, sizeof(aconf->address.addr));
 686     else
 687       memset(&aconf->address.addr, 0, sizeof(aconf->address.addr));
 688     aconf->address.port = port;
 689     aconf->addrbits = addrbits;
 690     aconf->name = ip;
 691     aconf->conn_class = c_class;
 692     aconf->maximum = maxlinks;
 693     aconf->passwd = pass;
 694   }
 695   if (!aconf) {
 696     MyFree(username);
 697     MyFree(host);
 698     MyFree(ip);
 699     MyFree(pass);
 700   }
 701   host = NULL;
 702   username = NULL;
 703   c_class = NULL;
 704   ip = NULL;
 705   pass = NULL;
 706   port = 0;
 707 };
 708 clientitems: clientitem clientitems | clientitem;
 709 clientitem: clienthost | clientip | clientusername | clientclass | clientpass | clientmaxlinks | clientport;
 710 clienthost: HOST '=' QSTRING ';'
 711 {
 712   char *sep = strchr($3, '@');
 713   MyFree(host);
 714   if (sep) {
 715     *sep++ = '\0';
 716     MyFree(username);
 717     DupString(host, sep);
 718     username = $3;
 719   } else {
 720     host = $3;
 721   }
 722 };
 723 clientip: IP '=' QSTRING ';'
 724 {
 725   char *sep;
 726   sep = strchr($3, '@');
 727   MyFree(ip);
 728   if (sep) {
 729     *sep++ = '\0';
 730     MyFree(username);
 731     DupString(ip, sep);
 732     username = $3;
 733   } else {
 734     ip = $3;
 735   }
 736 };
 737 clientusername: USERNAME '=' QSTRING ';'
 738 {
 739   MyFree(username);
 740   username = $3;
 741 };
 742 clientclass: CLASS '=' QSTRING ';'
 743 {
 744   c_class = find_class($3);
 745   if (!c_class)
 746     parse_error("No such connection class '%s' for Class block", $3);
 747   MyFree($3);
 748 };
 749 clientpass: PASS '=' QSTRING ';'
 750 {
 751   MyFree(pass);
 752   pass = $3;
 753 };
 754 clientmaxlinks: MAXLINKS '=' expr ';'
 755 {
 756   maxlinks = $3;
 757 };
 758 clientport: PORT '=' expr ';'
 759 {
 760   port = $3;
 761 };
 762
 763 killblock: KILL
 764 {
 765   dconf = (struct DenyConf*) MyCalloc(1, sizeof(*dconf));
 766 } '{' killitems '}' ';'
 767 {
 768   if (dconf->usermask || dconf->hostmask ||dconf->realmask) {
 769     dconf->next = denyConfList;
 770     denyConfList = dconf;
 771   }
 772   else
 773   {
 774     MyFree(dconf->usermask);
 775     MyFree(dconf->hostmask);
 776     MyFree(dconf->realmask);
 777     MyFree(dconf->message);
 778     MyFree(dconf);
 779     parse_error("Kill block must match on at least one of username, host or realname");
 780   }
 781   dconf = NULL;
 782 };
 783 killitems: killitem killitems | killitem;
 784 killitem: killuhost | killreal | killusername | killreasonfile | killreason;
 785 killuhost: HOST '=' QSTRING ';'
 786 {
 787   char *h;
 788   MyFree(dconf->hostmask);
 789   MyFree(dconf->usermask);
 790   if ((h = strchr($3, '@')) == NULL)
 791   {
 792     DupString(dconf->usermask, "*");
 793     dconf->hostmask = $3;
 794   }
 795   else
 796   {
 797     *h++ = '\0';
 798     DupString(dconf->hostmask, h);
 799     dconf->usermask = $3;
 800   }
 801   ipmask_parse(dconf->hostmask, &dconf->address, &dconf->bits);
 802 };
 803
 804 killusername: USERNAME '=' QSTRING ';'
 805 {
 806   MyFree(dconf->usermask);
 807   dconf->usermask = $3;
 808 };
 809
 810 killreal: REAL '=' QSTRING ';'
 811 {
 812  MyFree(dconf->realmask);
 813  dconf->realmask = $3;
 814 };
 815
 816 killreason: REASON '=' QSTRING ';'
 817 {
 818  dconf->flags &= ~DENY_FLAGS_FILE;
 819  MyFree(dconf->message);
 820  dconf->message = $3;
 821 };
 822
 823 killreasonfile: TFILE '=' QSTRING ';'
 824 {
 825  dconf->flags |= DENY_FLAGS_FILE;
 826  MyFree(dconf->message);
 827  dconf->message = $3;
 828 };
 829
 830 cruleblock: CRULE
 831 {
 832   tconn = CRULE_AUTO;
 833 } '{' cruleitems '}' ';'
 834 {
 835   struct CRuleNode *node = NULL;
 836   if (host == NULL)
 837     parse_error("Missing host in crule block");
 838   else if (pass == NULL)
 839     parse_error("Missing rule in crule block");
 840   else if ((node = crule_parse(pass)) == NULL)
 841     parse_error("Invalid rule '%s' in crule block", pass);
 842   else
 843   {
 844     struct CRuleConf *p = (struct CRuleConf*) MyMalloc(sizeof(*p));
 845     p->hostmask = host;
 846     p->rule = pass;
 847     p->type = tconn;
 848     p->node = node;
 849     p->next = cruleConfList;
 850     cruleConfList = p;
 851   }
 852   if (!node)
 853   {
 854     MyFree(host);
 855     MyFree(pass);
 856   }
 857   host = pass = NULL;
 858   tconn = 0;
 859 };
 860
 861 cruleitems: cruleitem cruleitems | cruleitem;
 862 cruleitem: cruleserver | crulerule | cruleall;
 863
 864 cruleserver: SERVER '=' QSTRING ';'
 865 {
 866   MyFree(host);
 867   collapse($3);
 868   host = $3;
 869 };
 870
 871 crulerule: RULE '=' QSTRING ';'
 872 {
 873  MyFree(pass);
 874  pass = $3;
 875 };
 876
 877 cruleall: ALL '=' YES ';'
 878 {
 879  tconn = CRULE_ALL;
 880 } | ALL '=' NO ';'
 881 {
 882  tconn = CRULE_AUTO;
 883 };
 884
 885 motdblock: MOTD '{' motditems '}' ';'
 886 {
 887   if (host != NULL && pass != NULL)
 888     motd_add(host, pass);
 889   MyFree(host);
 890   MyFree(pass);
 891   host = pass = NULL;
 892 };
 893
 894 motditems: motditem motditems | motditem;
 895 motditem: motdhost | motdfile;
 896 motdhost: HOST '=' QSTRING ';'
 897 {
 898   host = $3;
 899 };
 900
 901 motdfile: TFILE '=' QSTRING ';'
 902 {
 903   pass = $3;
 904 };
 905
 906 featuresblock: FEATURES '{' featureitems '}' ';';
 907 featureitems: featureitems featureitem | featureitem;
 908
 909 featureitem: QSTRING
 910 {
 911   stringlist[0] = $1;
 912   stringno = 1;
 913 } '=' stringlist ';';
 914
 915 stringlist: QSTRING
 916 {
 917   stringlist[1] = $1;
 918   stringno = 2;
 919 } posextrastrings
 920 {
 921   unsigned int ii;
 922   feature_set(NULL, (const char * const *)stringlist, stringno);
 923   for (ii = 0; ii < stringno; ++ii)
 924     MyFree(stringlist[ii]);
 925 };
 926 posextrastrings: /* empty */ | extrastrings;
 927 extrastrings: extrastrings extrastring | extrastring;
 928 extrastring: QSTRING
 929 {
 930   if (stringno < MAX_STRINGS)
 931     stringlist[stringno++] = $1;
 932   else
 933     MyFree($1);
 934 };
 935
 936 quarantineblock: QUARANTINE '{' quarantineitems '}' ';';
 937 quarantineitems: quarantineitems quarantineitem | quarantineitem;
 938 quarantineitem: QSTRING '=' QSTRING ';'
 939 {
 940   struct qline *qconf = MyCalloc(1, sizeof(*qconf));
 941   qconf->chname = $1;
 942   qconf->reason = $3;
 943   qconf->next = GlobalQuarantineList;
 944   GlobalQuarantineList = qconf;
 945 };
 946
 947 pseudoblock: PSEUDO QSTRING '{'
 948 {
 949   smap = MyCalloc(1, sizeof(struct s_map));
 950   smap->command = $2;
 951 }
 952 pseudoitems '}' ';'
 953 {
 954   int valid = 0;
 955
 956   if (!smap->name)
 957     parse_error("Missing name in pseudo %s block", smap->command);
 958   else if (!smap->services)
 959     parse_error("Missing nick in pseudo %s block", smap->command);
 960   else
 961     valid = 1;
 962   if (valid && register_mapping(smap))
 963   {
 964     smap->next = GlobalServiceMapList;
 965     GlobalServiceMapList = smap;
 966   }
 967   else
 968   {
 969     free_mapping(smap);
 970   }
 971   smap = NULL;
 972 };
 973
 974 pseudoitems: pseudoitem pseudoitems | pseudoitem;
 975 pseudoitem: pseudoname | pseudoprepend | pseudonick | pseudoflags;
 976 pseudoname: NAME '=' QSTRING ';'
 977 {
 978   MyFree(smap->name);
 979   smap->name = $3;
 980 };
 981 pseudoprepend: PREPEND '=' QSTRING ';'
 982 {
 983   MyFree(smap->prepend);
 984   smap->prepend = $3;
 985 };
 986 pseudonick: NICK '=' QSTRING ';'
 987 {
 988   char *sep = strchr($3, '@');
 989
 990   if (sep != NULL) {
 991     size_t slen = strlen($3);
 992     struct nick_host *nh = MyMalloc(sizeof(*nh) + slen);
 993     memcpy(nh->nick, $3, slen + 1);
 994     nh->nicklen = sep - $3;
 995     nh->next = smap->services;
 996     smap->services = nh;
 997   }
 998   MyFree($3);
 999 };
1000 pseudoflags: FAST ';'
1001 {
1002   smap->flags |= SMAP_FAST;
1003 };
1004
1005 iauthblock: IAUTH '{'
1006 {
1007   tconn = 60;
1008   tping = 60;
1009 } iauthitems '}' ';'
1010 {
1011   if (!host)
1012     parse_error("Missing host in iauth block");
1013   else if (!port)
1014     parse_error("Missing port in iauth block");
1015   else
1016     iauth_connect(host, port, pass, tconn, tping);
1017   MyFree(pass);
1018   MyFree(host);
1019   pass = host = NULL;
1020   port = tconn = tping = 0;
1021 };
1022
1023 iauthitems: iauthitem iauthitems | iauthitem;
1024 iauthitem: iauthpass | iauthhost | iauthport | iauthconnfreq | iauthtimeout;
1025 iauthpass: PASS '=' QSTRING ';'
1026 {
1027   MyFree(pass);
1028   pass = $3;
1029 };
1030 iauthhost: HOST '=' QSTRING ';'
1031 {
1032   MyFree(host);
1033   host = $3;
1034 };
1035 iauthport: PORT '=' NUMBER ';'
1036 {
1037   port = $3;
1038 };
1039 iauthconnfreq: CONNECTFREQ '=' timespec ';'
1040 {
1041   tconn = $3;
1042 };
1043 iauthtimeout: TIMEOUT '=' timespec ';'
1044 {
1045   tping = $3;
1046 };