These all handle reading the tinyproxy configuration file.
This commit is contained in:
Robert James Kaes
parent
2b5c6be1d5
commit
dc18c065b7
1093
src/grammar.c
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1093
src/grammar.c
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File diff suppressed because it is too large
Load Diff
35
src/grammar.h
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35
src/grammar.h
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typedef union {
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unsigned int num;
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char *cptr;
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void *ptr;
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} YYSTYPE;
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#define KW_PORT 257
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#define KW_LISTEN 258
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#define KW_LOGFILE 259
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#define KW_PIDFILE 260
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#define KW_SYSLOG 261
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#define KW_MAXCLIENTS 262
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#define KW_MAXSPARESERVERS 263
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#define KW_MINSPARESERVERS 264
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#define KW_STARTSERVERS 265
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#define KW_MAXREQUESTSPERCHILD 266
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#define KW_TIMEOUT 267
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#define KW_USER 268
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#define KW_GROUP 269
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#define KW_ANONYMOUS 270
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#define KW_FILTER 271
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#define KW_XTINYPROXY 272
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#define KW_TUNNEL 273
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#define KW_ALLOW 274
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#define KW_DENY 275
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#define KW_YES 276
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#define KW_NO 277
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#define IDENTIFIER 278
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#define NUMBER 279
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#define STRING 280
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#define NUMERIC_ADDRESS 281
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#define STRING_ADDRESS 282
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#define NETMASK_ADDRESS 283
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extern YYSTYPE yylval;
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155
src/grammar.y
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155
src/grammar.y
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/* $Id: grammar.y,v 1.1 2000-09-12 00:12:52 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 "log.h"
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#include "thread.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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void *ptr;
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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_FILTER KW_XTINYPROXY KW_TUNNEL
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%token KW_ALLOW KW_DENY
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/* yes/no switches */
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%token KW_YES KW_NO
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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> STRING_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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%%
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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(LOG_WARNING, "Syslog support was not compiled in.");
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#endif
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}
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| KW_MAXCLIENTS NUMBER { thread_configure(THREAD_MAXCLIENTS, $2); }
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| KW_MAXSPARESERVERS NUMBER { thread_configure(THREAD_MAXSPARESERVERS, $2); }
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| KW_MINSPARESERVERS NUMBER { thread_configure(THREAD_MINSPARESERVERS, $2); }
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| KW_STARTSERVERS NUMBER { thread_configure(THREAD_STARTSERVERS, $2); }
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| KW_MAXREQUESTSPERCHILD NUMBER { thread_configure(THREAD_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 { anon_insert($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(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 { config.my_domain = $2; }
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| KW_TUNNEL unique_address ':' NUMBER
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{
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#ifdef TUNNEL_SUPPORT
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config.tunnel_name = $2;
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config.tunnel_port = $4;
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#else
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log(LOG_WARNING, "Tunnel support was not compiled in.");
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#endif
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}
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| KW_LISTEN NUMERIC_ADDRESS { config.ipAddr = $2; }
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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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;
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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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: STRING_ADDRESS
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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 unsigned int yylineno;
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void yyerror(char *s)
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{
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fprintf(stderr, "Line %d: %s\n", yylineno, s);
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}
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1763
src/scanner.c
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1763
src/scanner.c
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File diff suppressed because it is too large
Load Diff
147
src/scanner.l
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147
src/scanner.l
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@ -0,0 +1,147 @@
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/* $Id: scanner.l,v 1.1 2000-09-12 00:12:52 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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#include <string.h>
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#include <stdio.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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{ "xtinyproxy", KW_XTINYPROXY },
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{ "tunnel", KW_TUNNEL },
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{ "allow", KW_ALLOW },
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{ "deny", KW_DENY },
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/* on/off switches */
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{ "yes", KW_YES },
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{ "on", KW_YES },
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{ "no", KW_NO },
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{ "off", KW_NO }
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};
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#define YY_NO_UNPUT 1
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#define MAX_REGEXP_LEN 1024
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unsigned int yylineno = 1;
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char tiny_buf[MAX_REGEXP_LEN];
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char *tiny_str;
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static int check_reserved_words(char *token);
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static void append_string(int length, char *str);
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static void append_char(char c);
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%}
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%option noyywrap
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white [ \t]
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digit [0-9]
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alpha [a-zA-Z]
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alphanum [a-zA-Z0-9]
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word [^ \#'"\(\)\{\}\\;\n\t,|\.]
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%x string
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%%
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\#.*$ ;
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\n { yylineno++; return '\n'; }
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{white}+ ;
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0x{digit}+ { yylval.num = strtol(yytext, NULL, 16); return NUMBER; }
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0{digit}+ { yylval.num = strtol(yytext, NULL, 8); return NUMBER; }
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{digit}+ { yylval.num = atoi(yytext); return NUMBER; }
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{alpha}+ { return check_reserved_words(yytext); }
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':' { return ':'; }
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'/' { return '/'; }
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\" {
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tiny_str = tiny_buf;
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BEGIN(string);
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}
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<string>\\a { append_char(7); }
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<string>\\n { append_char(10); }
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<string>\\r { append_char(13); }
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<string>\\t { append_char(9); }
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<string>\\v { append_char(11); }
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<string>\\[^anrtv] { append_string(1, yytext + 1); }
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<string>\" {
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BEGIN(INITIAL);
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yylval.cptr = strdup(tiny_buf);
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return STRING;
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}
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<string>[^"\\]+ { append_string(strlen(yytext), yytext); }
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({digit}{1,3}\.){3}{digit}{1,3} { yylval.cptr = strdup(yytext); return NUMERIC_ADDRESS; }
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({digit}{1,3}\.){3}{digit}{1,3}\/{digit}+ { yylval.cptr = strdup(yytext); return NETMASK_ADDRESS; }
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([-_a-z0-9]+\.)+[a-z]+ { yylval.cptr = strdup(yytext); return STRING_ADDRESS; }
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%%
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int check_reserved_words(char *token)
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{
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int i;
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for (i = 0; i < (sizeof(keywords) / sizeof(struct keyword)); i++) {
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if (strcasecmp(keywords[i].kw_name, token) == 0) {
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return keywords[i].kw_token;
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}
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}
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yylval.cptr = strdup(token);
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return IDENTIFIER;
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}
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static void append_string(int length, char *s)
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{
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int to_copy = min(MAX_REGEXP_LEN - (tiny_str - tiny_buf) - 1, length);
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memcpy(tiny_str, s, to_copy);
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tiny_str += to_copy;
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*tiny_str = 0;
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}
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static void append_char(char c)
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{
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*tiny_str = c;
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tiny_str++;
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*tiny_str = 0;
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}
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Loading…
Reference in New Issue
Block a user