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Diffstat (limited to 'src/grammar.y')
| -rw-r--r-- | src/grammar.y | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/grammar.y b/src/grammar.y new file mode 100644 index 0000000..4cc1261 --- /dev/null +++ b/src/grammar.y @@ -0,0 +1,155 @@ +/* $Id: grammar.y,v 1.1 2000-09-12 00:12:52 rjkaes Exp $ + * + * This is the grammar for tinyproxy's configuration file. It needs to be + * in sync with scanner.l. If you know more about yacc and lex than I do + * please update these files. + * + * Copyright (C) 2000 Robert James Kaes (rjkaes@flarenet.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +%{ + +#include "tinyproxy.h" + +#include "acl.h" +#include "anonymous.h" +#include "log.h" +#include "thread.h" + +void yyerror(char *s); +int yylex(void); + +%} + +%union { + unsigned int num; + char *cptr; + void *ptr; +} + +/* statements */ +%token KW_PORT KW_LISTEN +%token KW_LOGFILE KW_PIDFILE KW_SYSLOG +%token KW_MAXCLIENTS KW_MAXSPARESERVERS KW_MINSPARESERVERS KW_STARTSERVERS +%token KW_MAXREQUESTSPERCHILD +%token KW_TIMEOUT +%token KW_USER KW_GROUP +%token KW_ANONYMOUS KW_FILTER KW_XTINYPROXY KW_TUNNEL +%token KW_ALLOW KW_DENY + +/* yes/no switches */ +%token KW_YES KW_NO + +%token <cptr> IDENTIFIER +%token <num> NUMBER +%token <cptr> STRING +%token <cptr> NUMERIC_ADDRESS +%token <cptr> STRING_ADDRESS +%token <cptr> NETMASK_ADDRESS + +%type <num> yesno +%type <cptr> string +%type <cptr> network_address +%type <cptr> unique_address + +%% + +start + : /* empty */ + | start line + ; + +line + : '\n' + | statement '\n' + ; + +statement + : KW_PORT NUMBER { config.port = $2; } + | KW_TIMEOUT NUMBER { config.idletimeout = $2; } + | KW_SYSLOG yesno + { +#ifdef HAVE_SYSLOG_H + config.syslog = $2; +#else + log(LOG_WARNING, "Syslog support was not compiled in."); +#endif + } + | KW_MAXCLIENTS NUMBER { thread_configure(THREAD_MAXCLIENTS, $2); } + | KW_MAXSPARESERVERS NUMBER { thread_configure(THREAD_MAXSPARESERVERS, $2); } + | KW_MINSPARESERVERS NUMBER { thread_configure(THREAD_MINSPARESERVERS, $2); } + | KW_STARTSERVERS NUMBER { thread_configure(THREAD_STARTSERVERS, $2); } + | KW_MAXREQUESTSPERCHILD NUMBER { thread_configure(THREAD_MAXREQUESTSPERCHILD, $2); } + | KW_LOGFILE string + { + config.logf_name = $2; + if (!config.logf_name) { + fprintf(stderr, "bad log file\n"); + } + } + | KW_PIDFILE string { config.pidpath = $2; } + | KW_USER string { config.username = $2; } + | KW_GROUP string { config.group = $2; } + | KW_ANONYMOUS string { anon_insert($2); } + | KW_FILTER string + { +#ifdef FILTER_ENABLE + config.filter = $2; +#else + log(LOG_WARNING, "Filter support was not compiled in."); +#endif + } + | KW_XTINYPROXY network_address { config.my_domain = $2; } + | KW_TUNNEL unique_address ':' NUMBER + { +#ifdef TUNNEL_SUPPORT + config.tunnel_name = $2; + config.tunnel_port = $4; +#else + log(LOG_WARNING, "Tunnel support was not compiled in."); +#endif + } + | KW_LISTEN NUMERIC_ADDRESS { config.ipAddr = $2; } + | KW_ALLOW network_address { insert_acl($2, ACL_ALLOW); } + | KW_DENY network_address { insert_acl($2, ACL_DENY); } + ; + +network_address + : unique_address + | NETMASK_ADDRESS + ; + +unique_address + : STRING_ADDRESS + | NUMERIC_ADDRESS + ; + +yesno + : KW_YES { $$ = 1; } + | KW_NO { $$ = 0; } + | NUMBER { $$ = $1; } + ; + +string + : IDENTIFIER + | STRING + ; + +%% + +extern unsigned int yylineno; + +void yyerror(char *s) +{ + fprintf(stderr, "Line %d: %s\n", yylineno, s); +} |