Removed obsolete lexer/parser files
This commit is contained in:
Mukund Sivaraman
parent
fdf7e4ea8b
commit
44d91bdf6b
316
src/grammar.y
316
src/grammar.y
@ -1,316 +0,0 @@
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/* $Id: grammar.y,v 1.25 2004-04-27 18:53:14 rjkaes Exp $
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*
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* This is the grammar for tinyproxy's configuration file. It needs to be
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* in sync with scanner.l. If you know more about yacc and lex than I do
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* please update these files.
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*
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* Copyright (C) 2000 Robert James Kaes (rjkaes@flarenet.com)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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%{
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#include "tinyproxy.h"
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#include "acl.h"
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#include "anonymous.h"
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#include "child.h"
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#include "filter.h"
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#include "htmlerror.h"
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#include "log.h"
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#include "reqs.h"
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void yyerror(char *s);
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int yylex(void);
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%}
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%union {
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unsigned int num;
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char *cptr;
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}
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/* statements */
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%token KW_PORT KW_LISTEN
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%token KW_LOGFILE KW_PIDFILE KW_SYSLOG
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%token KW_MAXCLIENTS KW_MAXSPARESERVERS KW_MINSPARESERVERS KW_STARTSERVERS
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%token KW_MAXREQUESTSPERCHILD
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%token KW_TIMEOUT
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%token KW_USER KW_GROUP
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%token KW_ANONYMOUS KW_XTINYPROXY
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%token KW_FILTER KW_FILTERURLS KW_FILTEREXTENDED KW_FILTER_DEFAULT_DENY
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%token KW_FILTER_CASESENSITIVE
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%token KW_UPSTREAM
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%token KW_REVERSEPATH KW_REVERSEONLY KW_REVERSEMAGIC KW_REVERSEBASEURL
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%token KW_CONNECTPORT KW_BIND KW_BINDSAME
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%token KW_STATHOST
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%token KW_ALLOW KW_DENY
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%token KW_ERRORPAGE KW_DEFAULT_ERRORPAGE
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%token KW_STATPAGE
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%token KW_VIA_PROXY_NAME
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/* yes/no switches */
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%token KW_YES KW_NO
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/* settings for loglevel */
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%token KW_LOGLEVEL
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%token KW_LOG_CRITICAL KW_LOG_ERROR KW_LOG_WARNING KW_LOG_NOTICE KW_LOG_CONNECT KW_LOG_INFO
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%token <cptr> IDENTIFIER
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%token <num> NUMBER
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%token <cptr> STRING
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%token <cptr> NUMERIC_ADDRESS
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%token <cptr> NETMASK_ADDRESS
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%type <num> yesno
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%type <cptr> string
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%type <cptr> network_address
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%type <cptr> unique_address
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%type <num> loglevels
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%%
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start
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: /* empty */
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| start line
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;
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line
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: '\n'
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| statement '\n'
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;
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statement
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: KW_PORT NUMBER { config.port = $2; }
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| KW_TIMEOUT NUMBER { config.idletimeout = $2; }
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| KW_SYSLOG yesno
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{
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#ifdef HAVE_SYSLOG_H
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config.syslog = $2;
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#else
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log_message(LOG_WARNING, "Syslog support was not compiled in.");
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#endif
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}
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| KW_MAXCLIENTS NUMBER { child_configure(CHILD_MAXCLIENTS, $2); }
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| KW_MAXSPARESERVERS NUMBER { child_configure(CHILD_MAXSPARESERVERS, $2); }
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| KW_MINSPARESERVERS NUMBER { child_configure(CHILD_MINSPARESERVERS, $2); }
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| KW_STARTSERVERS NUMBER { child_configure(CHILD_STARTSERVERS, $2); }
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| KW_MAXREQUESTSPERCHILD NUMBER { child_configure(CHILD_MAXREQUESTSPERCHILD, $2); }
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| KW_LOGFILE string
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{
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config.logf_name = $2;
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if (!config.logf_name) {
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fprintf(stderr, "bad log file\n");
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}
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}
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| KW_PIDFILE string { config.pidpath = $2; }
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| KW_USER string { config.username = $2; }
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| KW_GROUP string { config.group = $2; }
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| KW_ANONYMOUS string { anonymous_insert($2); }
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| KW_ERRORPAGE NUMBER string { add_new_errorpage($3, $2); }
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| KW_DEFAULT_ERRORPAGE string { config.errorpage_undef = $2; }
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| KW_STATPAGE string { config.statpage = $2; }
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| KW_FILTER string
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{
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#ifdef FILTER_ENABLE
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config.filter = $2;
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#else
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log_message(LOG_WARNING, "Filter support was not compiled in.");
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#endif
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}
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| KW_FILTERURLS yesno
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{
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#ifdef FILTER_ENABLE
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config.filter_url = $2;
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#else
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log_message(LOG_WARNING, "Filter support wss not compiled in.");
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#endif
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}
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| KW_FILTEREXTENDED yesno
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{
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#ifdef FILTER_ENABLE
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config.filter_extended = $2;
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#else
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log_message(LOG_WARNING, "Filter support was not compiled in.");
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#endif
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}
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| KW_FILTER_CASESENSITIVE yesno
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{
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#ifdef FILTER_ENABLE
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config.filter_casesensitive = $2;
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#else
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log_message(LOG_WARNING, "Filter support was not compiled in.");
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#endif
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}
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| KW_FILTER_DEFAULT_DENY yesno
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{
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#ifdef FILTER_ENABLE
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if ($2)
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filter_set_default_policy(FILTER_DEFAULT_DENY);
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#else
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log_message(LOG_WARNING, "FIlter support was not compiled in.");
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#endif
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}
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| KW_XTINYPROXY network_address
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{
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#ifdef XTINYPROXY_ENABLE
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config.my_domain = $2;
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#else
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log_message(LOG_WARNING, "X-Tinyproxy header support was not compiled in.");
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#endif
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}
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| KW_REVERSEPATH string
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{
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#ifdef REVERSE_SUPPORT
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reversepath_add(NULL, $2);
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#else
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log_message(LOG_WARNING, "Reverse proxy support was not compiled in.");
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#endif
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}
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| KW_REVERSEPATH string string
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{
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#ifdef REVERSE_SUPPORT
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reversepath_add($2, $3);
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#else
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log_message(LOG_WARNING, "Reverse proxy support was not compiled in.");
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#endif
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}
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| KW_REVERSEONLY yesno
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{
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#ifdef REVERSE_SUPPORT
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config.reverseonly = $2;
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#else
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log_message(LOG_WARNING, "Reverse proxy support was not compiled in.");
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#endif
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}
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| KW_REVERSEMAGIC yesno
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{
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#ifdef REVERSE_SUPPORT
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config.reversemagic = $2;
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#else
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log_message(LOG_WARNING, "Reverse proxy support was not compiled in.");
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#endif
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}
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| KW_REVERSEBASEURL string
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{
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#ifdef REVERSE_SUPPORT
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config.reversebaseurl = $2;
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#else
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log_message(LOG_WARNING, "Reverse proxy support was not compiled in.");
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#endif
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}
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| KW_UPSTREAM unique_address ':' NUMBER
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{
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#ifdef UPSTREAM_SUPPORT
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upstream_add($2, $4, NULL);
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#else
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log_message(LOG_WARNING, "Upstream proxy support was not compiled in.");
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#endif
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}
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| KW_UPSTREAM unique_address ':' NUMBER STRING
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{
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#ifdef UPSTREAM_SUPPORT
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upstream_add($2, $4, $5);
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#else
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log_message(LOG_WARNING, "Upstream proxy support was not compiled in.");
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#endif
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}
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| KW_NO KW_UPSTREAM STRING
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{
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#ifdef UPSTREAM_SUPPORT
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upstream_add(NULL, 0, $3);
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#else
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log_message(LOG_WARNING, "Upstream proxy support was not compiled in.");
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#endif
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}
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| KW_LISTEN NUMERIC_ADDRESS
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{
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log_message(LOG_INFO, "Establishing listening socket on IP %s", $2);
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config.ipAddr = $2;
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}
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| KW_ALLOW network_address { insert_acl($2, ACL_ALLOW); }
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| KW_DENY network_address { insert_acl($2, ACL_DENY); }
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| KW_LOGLEVEL loglevels { set_log_level($2); }
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| KW_CONNECTPORT NUMBER { add_connect_port_allowed($2); }
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| KW_BIND NUMERIC_ADDRESS
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{
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#ifndef TRANSPARENT_PROXY
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log_message(LOG_INFO, "Binding outgoing connections to %s", $2);
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config.bind_address = $2;
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#else
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log_message(LOG_WARNING, "The 'Bind' directive can not be used with transparent proxy support. Ignoring the directive.");
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#endif
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}
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| KW_BINDSAME yesno
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{
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log_message(LOG_INFO, "Binding outgoing connections to incoming IP");
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config.bindsame = $2;
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}
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| KW_VIA_PROXY_NAME string
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{
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log_message(LOG_INFO, "Setting \"Via\" proxy name to: %s", $2);
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config.via_proxy_name = $2;
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}
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| KW_STATHOST string
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{
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log_message(LOG_INFO, "Stathost is set to \"%s\"", $2);
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config.stathost = $2;
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}
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;
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loglevels
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: KW_LOG_CRITICAL { $$ = LOG_CRIT; }
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| KW_LOG_ERROR { $$ = LOG_ERR; }
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| KW_LOG_WARNING { $$ = LOG_WARNING; }
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| KW_LOG_NOTICE { $$ = LOG_NOTICE; }
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| KW_LOG_CONNECT { $$ = LOG_CONN; }
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| KW_LOG_INFO { $$ = LOG_INFO; }
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;
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network_address
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: unique_address
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| NETMASK_ADDRESS
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;
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unique_address
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: IDENTIFIER
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| NUMERIC_ADDRESS
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;
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yesno
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: KW_YES { $$ = 1; }
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| KW_NO { $$ = 0; }
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| NUMBER { $$ = $1; }
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;
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string
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: IDENTIFIER
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| STRING
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;
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%%
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extern int yylineno;
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void
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yyerror(char *s)
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{
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static int headerdisplayed = 0;
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if (!headerdisplayed) {
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fprintf(stderr, "Errors in configuration file:\n");
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headerdisplayed = 1;
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}
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fprintf(stderr, "\t%s:%d: %s\n", config.config_file, yylineno, s);
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exit(EXIT_FAILURE);
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}
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173
src/scanner.l
173
src/scanner.l
@ -1,173 +0,0 @@
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/* $Id: scanner.l,v 1.24 2004-04-27 18:53:14 rjkaes Exp $
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*
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* This builds the scanner for the tinyproxy configuration file. This
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* file needs to stay in sync with grammar.y. If someone knows lex and yacc
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* better than I do, please update these files.
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*
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* Copyright (C) 2000 Robert James Kaes (rjkaes@flarenet.com)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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%{
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#include "tinyproxy.h"
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#include "grammar.h"
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struct keyword {
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char *kw_name;
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int kw_token;
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};
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static struct keyword keywords[] = {
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/* statements */
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{ "port", KW_PORT },
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{ "logfile", KW_LOGFILE },
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{ "syslog", KW_SYSLOG },
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{ "maxclients", KW_MAXCLIENTS },
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{ "maxspareservers", KW_MAXSPARESERVERS },
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{ "minspareservers", KW_MINSPARESERVERS },
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{ "startservers", KW_STARTSERVERS },
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{ "maxrequestsperchild", KW_MAXREQUESTSPERCHILD },
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{ "pidfile", KW_PIDFILE },
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{ "timeout", KW_TIMEOUT },
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{ "listen", KW_LISTEN },
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{ "user", KW_USER },
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{ "group", KW_GROUP },
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{ "anonymous", KW_ANONYMOUS },
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{ "filter", KW_FILTER },
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{ "filterurls", KW_FILTERURLS },
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{ "filterextended", KW_FILTEREXTENDED },
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{ "filterdefaultdeny", KW_FILTER_DEFAULT_DENY },
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{ "filtercasesensitive", KW_FILTER_CASESENSITIVE },
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{ "xtinyproxy", KW_XTINYPROXY },
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{ "reversepath", KW_REVERSEPATH },
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{ "reverseonly", KW_REVERSEONLY },
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{ "reversemagic", KW_REVERSEMAGIC },
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{ "reversebaseurl", KW_REVERSEBASEURL },
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{ "upstream", KW_UPSTREAM },
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{ "allow", KW_ALLOW },
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{ "deny", KW_DENY },
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{ "connectport", KW_CONNECTPORT },
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{ "bind", KW_BIND },
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{ "bindsame", KW_BINDSAME },
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{ "viaproxyname", KW_VIA_PROXY_NAME },
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{ "stathost", KW_STATHOST },
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{ "errorfile", KW_ERRORPAGE },
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{ "defaulterrorfile", KW_DEFAULT_ERRORPAGE },
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{ "statfile", KW_STATPAGE },
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||||||
|
|
||||||
/* loglevel and the settings */
|
|
||||||
{ "loglevel", KW_LOGLEVEL },
|
|
||||||
{ "critical", KW_LOG_CRITICAL },
|
|
||||||
{ "error", KW_LOG_ERROR },
|
|
||||||
{ "warning", KW_LOG_WARNING },
|
|
||||||
{ "notice", KW_LOG_NOTICE },
|
|
||||||
{ "connect", KW_LOG_CONNECT },
|
|
||||||
{ "info", KW_LOG_INFO },
|
|
||||||
|
|
||||||
/* on/off switches */
|
|
||||||
{ "yes", KW_YES },
|
|
||||||
{ "on", KW_YES },
|
|
||||||
{ "no", KW_NO },
|
|
||||||
{ "off", KW_NO }
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
#define YY_NO_UNPUT 1
|
|
||||||
|
|
||||||
#define MAX_REGEXP_LEN 1024
|
|
||||||
|
|
||||||
char tiny_buf[MAX_REGEXP_LEN];
|
|
||||||
char *tiny_str;
|
|
||||||
|
|
||||||
static int check_reserved_words(char *token);
|
|
||||||
static void append_string(int length, char *str);
|
|
||||||
static void append_char(char c);
|
|
||||||
|
|
||||||
%}
|
|
||||||
|
|
||||||
%option noyywrap batch yylineno
|
|
||||||
|
|
||||||
white [ \t]
|
|
||||||
digit [0-9]
|
|
||||||
alpha [a-zA-Z]
|
|
||||||
alphanum [a-zA-Z0-9]
|
|
||||||
word [^ \#'"\(\)\{\}\\;\n\t,|\.]
|
|
||||||
|
|
||||||
%x string
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
||||||
\#.*$ ;
|
|
||||||
\n { return '\n'; }
|
|
||||||
":" { return ':'; }
|
|
||||||
{white}+ ;
|
|
||||||
0x{digit}+ { yylval.num = strtol(yytext, NULL, 16); return NUMBER; }
|
|
||||||
0{digit}+ { yylval.num = strtol(yytext, NULL, 8); return NUMBER; }
|
|
||||||
{digit}+ { yylval.num = atoi(yytext); return NUMBER; }
|
|
||||||
{alpha}({alphanum}|[-._])+ { return check_reserved_words(yytext); }
|
|
||||||
|
|
||||||
\" {
|
|
||||||
tiny_str = tiny_buf;
|
|
||||||
BEGIN(string);
|
|
||||||
}
|
|
||||||
<string>\\a { append_char(7); }
|
|
||||||
<string>\\n { append_char(10); }
|
|
||||||
<string>\\r { append_char(13); }
|
|
||||||
<string>\\t { append_char(9); }
|
|
||||||
<string>\\v { append_char(11); }
|
|
||||||
<string>\\[^anrtv] { append_string(1, yytext + 1); }
|
|
||||||
<string>\" {
|
|
||||||
BEGIN(INITIAL);
|
|
||||||
yylval.cptr = strdup(tiny_buf);
|
|
||||||
return STRING;
|
|
||||||
}
|
|
||||||
<string>[^"\\]+ { append_string(strlen(yytext), yytext); }
|
|
||||||
|
|
||||||
|
|
||||||
({digit}{1,3}\.){3}{digit}{1,3} { yylval.cptr = strdup(yytext); return NUMERIC_ADDRESS; }
|
|
||||||
({digit}{1,3}\.){3}{digit}{1,3}\/{digit}+ { yylval.cptr = strdup(yytext); return NETMASK_ADDRESS; }
|
|
||||||
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
||||||
int
|
|
||||||
check_reserved_words(char *token)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = 0; i < (sizeof(keywords) / sizeof(struct keyword)); i++) {
|
|
||||||
if (strcasecmp(keywords[i].kw_name, token) == 0) {
|
|
||||||
return keywords[i].kw_token;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
yylval.cptr = strdup(token);
|
|
||||||
return IDENTIFIER;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
append_string(int length, char *s)
|
|
||||||
{
|
|
||||||
int to_copy = min(MAX_REGEXP_LEN - (tiny_str - tiny_buf) - 1, length);
|
|
||||||
|
|
||||||
memcpy(tiny_str, s, to_copy);
|
|
||||||
tiny_str += to_copy;
|
|
||||||
*tiny_str = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
append_char(char c)
|
|
||||||
{
|
|
||||||
*tiny_str = c;
|
|
||||||
tiny_str++;
|
|
||||||
*tiny_str = 0;
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user