From 4f5791ebd03eaec1c7da0865a383175b05102712 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 19:47:29 +0200 Subject: Adding upstream version 2:4.17.12+dfsg. Signed-off-by: Daniel Baumann --- third_party/heimdal/lib/hx509/sel-lex.l | 148 ++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 third_party/heimdal/lib/hx509/sel-lex.l (limited to 'third_party/heimdal/lib/hx509/sel-lex.l') diff --git a/third_party/heimdal/lib/hx509/sel-lex.l b/third_party/heimdal/lib/hx509/sel-lex.l new file mode 100644 index 0000000..f401e40 --- /dev/null +++ b/third_party/heimdal/lib/hx509/sel-lex.l @@ -0,0 +1,148 @@ +%{ +/* + * Copyright (c) 2004 - 2017 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS 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 THE INSTITUTE OR 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. + */ + +/* $Id$ */ + +#ifdef __GNUC__ +#pragma GCC diagnostic ignored "-Wunused-function" +#endif + + +#ifdef HAVE_CONFIG_H +#include +#endif + +#undef ECHO + +#include +#include +#include +#include +#include "sel.h" +#include "sel-gram.h" +unsigned lineno = 1; + +static char * handle_string(void); +static int lex_input(char *, int); + +struct hx_expr_input _hx509_expr_input; + +#ifndef YY_NULL +#define YY_NULL 0 +#endif + +#define YY_NO_UNPUT 1 + +#undef YY_INPUT +#define YY_INPUT(buf,res,maxsize) (res = lex_input(buf, maxsize)) + +#undef ECHO + +%} +%% + +TRUE { return kw_TRUE; } +FALSE { return kw_FALSE; } +AND { return kw_AND; } +OR { return kw_OR; } +IN { return kw_IN; } +TAILMATCH { return kw_TAILMATCH; } + +[A-Za-z][-A-Za-z0-9_]* { + yylval.string = strdup ((const char *)yytext); + return IDENTIFIER; + } +"\"" { yylval.string = handle_string(); return STRING; } +\n { ++lineno; } +[,.!={}()%] { return *yytext; } +[ \t] ; +%% + +static char * +handle_string(void) +{ + char x[1024]; + int i = 0; + int c; + int quote = 0; + while((c = input()) != EOF){ + if(quote) { + x[i++] = '\\'; + x[i++] = c; + quote = 0; + continue; + } + if(c == '\n'){ + _hx509_sel_yyerror("unterminated string"); + lineno++; + break; + } + if(c == '\\'){ + quote++; + continue; + } + if(c == '\"') + break; + x[i++] = c; + } + x[i] = '\0'; + return strdup(x); +} + +#if !defined(yywrap) +#define yywrap _hx509_sel_yywrap +#endif + +int +yywrap () +{ + return 1; +} + +static int +lex_input(char *buf, int max_size) +{ + int n; + + n = _hx509_expr_input.length - _hx509_expr_input.offset; + if (max_size < n) + n = max_size; + if (n <= 0) + return YY_NULL; + + memcpy(buf, _hx509_expr_input.buf + _hx509_expr_input.offset, n); + _hx509_expr_input.offset += n; + + return n; +} -- cgit v1.2.3