diff options
Diffstat (limited to 'src/scanner.l')
| -rw-r--r-- | src/scanner.l | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/scanner.l b/src/scanner.l deleted file mode 100644 index 3107b31..0000000 --- a/src/scanner.l +++ /dev/null @@ -1,173 +0,0 @@ -/* $Id: scanner.l,v 1.24 2004-04-27 18:53:14 rjkaes Exp $ - * - * This builds the scanner for the tinyproxy configuration file. This - * file needs to stay in sync with grammar.y. If someone knows lex and yacc - * better 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 "grammar.h" - -struct keyword { - char *kw_name; - int kw_token; -}; - -static struct keyword keywords[] = { - /* statements */ - { "port", KW_PORT }, - { "logfile", KW_LOGFILE }, - { "syslog", KW_SYSLOG }, - { "maxclients", KW_MAXCLIENTS }, - { "maxspareservers", KW_MAXSPARESERVERS }, - { "minspareservers", KW_MINSPARESERVERS }, - { "startservers", KW_STARTSERVERS }, - { "maxrequestsperchild", KW_MAXREQUESTSPERCHILD }, - { "pidfile", KW_PIDFILE }, - { "timeout", KW_TIMEOUT }, - { "listen", KW_LISTEN }, - { "user", KW_USER }, - { "group", KW_GROUP }, - { "anonymous", KW_ANONYMOUS }, - { "filter", KW_FILTER }, - { "filterurls", KW_FILTERURLS }, - { "filterextended", KW_FILTEREXTENDED }, - { "filterdefaultdeny", KW_FILTER_DEFAULT_DENY }, - { "filtercasesensitive", KW_FILTER_CASESENSITIVE }, - { "xtinyproxy", KW_XTINYPROXY }, - { "reversepath", KW_REVERSEPATH }, - { "reverseonly", KW_REVERSEONLY }, - { "reversemagic", KW_REVERSEMAGIC }, - { "reversebaseurl", KW_REVERSEBASEURL }, - { "upstream", KW_UPSTREAM }, - { "allow", KW_ALLOW }, - { "deny", KW_DENY }, - { "connectport", KW_CONNECTPORT }, - { "bind", KW_BIND }, - { "bindsame", KW_BINDSAME }, - { "viaproxyname", KW_VIA_PROXY_NAME }, - { "stathost", KW_STATHOST }, - { "errorfile", KW_ERRORPAGE }, - { "defaulterrorfile", KW_DEFAULT_ERRORPAGE }, - { "statfile", KW_STATPAGE }, - - /* 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; -} |