diff options
Diffstat (limited to 'modules/ssl/ssl_expr_scan.l')
| -rw-r--r-- | modules/ssl/ssl_expr_scan.l | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/modules/ssl/ssl_expr_scan.l b/modules/ssl/ssl_expr_scan.l deleted file mode 100644 index a0db7cccde..0000000000 --- a/modules/ssl/ssl_expr_scan.l +++ /dev/null @@ -1,261 +0,0 @@ -/* _ _ -** _ __ ___ ___ __| | ___ ___| | -** | '_ ` _ \ / _ \ / _` | / __/ __| | -** | | | | | | (_) | (_| | \__ \__ \ | mod_ssl - Apache Interface to OpenSSL -** |_| |_| |_|\___/ \__,_|___|___/___/_| http://www.modssl.org/ -** |_____| -** ssl_expr_scan.l -** Expression Scanner -*/ - -/* ==================================================================== - * Copyright (c) 1998-2001 Ralf S. Engelschall. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by - * Ralf S. Engelschall <rse@engelschall.com> for use in the - * mod_ssl project (http://www.modssl.org/)." - * - * 4. The names "mod_ssl" must not be used to endorse or promote - * products derived from this software without prior written - * permission. For written permission, please contact - * rse@engelschall.com. - * - * 5. Products derived from this software may not be called "mod_ssl" - * nor may "mod_ssl" appear in their names without prior - * written permission of Ralf S. Engelschall. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by - * Ralf S. Engelschall <rse@engelschall.com> for use in the - * mod_ssl project (http://www.modssl.org/)." - * - * THIS SOFTWARE IS PROVIDED BY RALF S. ENGELSCHALL ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RALF S. ENGELSCHALL OR - * HIS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - */ - - /* ``Killing for peace is - like fucking for virginity.'' - -- Unknown */ - -/* _________________________________________________________________ -** -** Expression Scanner -** _________________________________________________________________ -*/ - -%{ -#include "mod_ssl.h" - -#include "ssl_expr_parse.h" - -#define YY_NO_UNPUT 1 -int yyinput(char *buf, int max_size); - -#undef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - (result = yyinput(buf, max_size)) - -#define MAX_STR_LEN 2048 -%} - -%pointer -/* %option stack */ -%option never-interactive -%option noyywrap -%x str -%x regex regex_flags - -%% - - char caStr[MAX_STR_LEN]; - char *cpStr = NULL; - char caRegex[MAX_STR_LEN]; - char *cpRegex = NULL; - char cRegexDel = NUL; - - /* - * Whitespaces - */ -[ \t\n]+ { - /* NOP */ -} - - /* - * C-style strings ("...") - */ -\" { - cpStr = caStr; - BEGIN(str); -} -<str>\" { - BEGIN(INITIAL); - *cpStr = NUL; - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, caStr); - return T_STRING; -} -<str>\n { - yyerror("Unterminated string"); -} -<str>\\[0-7]{1,3} { - int result; - - (void)sscanf(yytext+1, "%o", &result); - if (result > 0xff) - yyerror("Escape sequence out of bound"); - else - *cpStr++ = result; -} -<str>\\[0-9]+ { - yyerror("Bad escape sequence"); -} -<str>\\n { *cpStr++ = '\n'; } -<str>\\r { *cpStr++ = '\r'; } -<str>\\t { *cpStr++ = '\t'; } -<str>\\b { *cpStr++ = '\b'; } -<str>\\f { *cpStr++ = '\f'; } -<str>\\(.|\n) { - *cpStr++ = yytext[1]; -} -<str>[^\\\n\"]+ { - char *cp = yytext; - while (*cp != NUL) - *cpStr++ = *cp++; -} -<str>. { - *cpStr++ = yytext[1]; -} - - /* - * Regular Expression - */ -"m". { - cRegexDel = yytext[1]; - cpRegex = caRegex; - BEGIN(regex); -} -<regex>.|\n { - if (yytext[0] == cRegexDel) { - *cpRegex = NUL; - BEGIN(regex_flags); - } - else { - *cpRegex++ = yytext[0]; - } -} -<regex_flags>i { - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, caRegex); - BEGIN(INITIAL); - return T_REGEX_I; -} -<regex_flags>.|\n { - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, caRegex); - yyless(0); - BEGIN(INITIAL); - return T_REGEX; -} -<regex_flags><<EOF>> { - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, caRegex); - BEGIN(INITIAL); - return T_REGEX; -} - - /* - * Operators - */ -"eq" { return T_OP_EQ; } -"==" { return T_OP_EQ; } -"ne" { return T_OP_NE; } -"!=" { return T_OP_NE; } -"lt" { return T_OP_LT; } -"<" { return T_OP_LT; } -"le" { return T_OP_LE; } -"<=" { return T_OP_LE; } -"gt" { return T_OP_GT; } -">" { return T_OP_GT; } -"ge" { return T_OP_GE; } -">=" { return T_OP_GE; } -"=~" { return T_OP_REG; } -"!~" { return T_OP_NRE; } -"and" { return T_OP_AND; } -"&&" { return T_OP_AND; } -"or" { return T_OP_OR; } -"||" { return T_OP_OR; } -"not" { return T_OP_NOT; } -"!" { return T_OP_NOT; } -"in" { return T_OP_IN; } - - /* - * Functions - */ -"file" { return T_FUNC_FILE; } - - /* - * Specials - */ -"true" { return T_TRUE; } -"false" { return T_FALSE; } - - /* - * Digits - */ -[0-9]+ { - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, yytext); - return T_DIGIT; -} - - /* - * Identifiers - */ -[a-zA-Z][a-zA-Z0-9_:-]* { - yylval.cpVal = ap_pstrdup(ssl_expr_info.pool, yytext); - return T_ID; -} - - /* - * Anything else is returned as is... - */ -.|\n { - return yytext[0]; -} - -%% - -int yyinput(char *buf, int max_size) -{ - int n; - - if ((n = MIN(max_size, ssl_expr_info.inputbuf - + ssl_expr_info.inputlen - - ssl_expr_info.inputptr)) <= 0) - return YY_NULL; - memcpy(buf, ssl_expr_info.inputptr, n); - ssl_expr_info.inputptr += n; - return n; -} - |