Add language to support querying certificates to find a match. Support constructs like "1.3.6.1.5.2.3.5" IN %{certificate.eku} AND %{certificate.subject} TAILMATCH "C=SE"".
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22677 ec53bebd-3082-4978-b11e-865c3cabbd6b
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115
lib/hx509/sel-gram.y
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115
lib/hx509/sel-gram.y
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/*
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* Copyright (c) 2008 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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%{
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <hx_locl.h>
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RCSID("$Id$");
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%}
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%union {
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char *string;
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struct hx_expr *expr;
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}
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%token kw_TRUE
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%token kw_FALSE
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%token kw_AND
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%token kw_OR
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%token kw_IN
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%token kw_TAILMATCH
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%type <expr> expr
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%type <expr> comp
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%type <expr> word words
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%type <expr> number
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%type <expr> string
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%type <expr> function
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%type <expr> variable variables
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%token <string> NUMBER
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%token <string> STRING
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%token <string> IDENTIFIER
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%start start
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%%
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start: expr { _hx509_expr_input.expr = $1; }
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expr : kw_TRUE { $$ = _hx509_make_expr(op_TRUE, NULL, NULL); }
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| kw_FALSE { $$ = _hx509_make_expr(op_FALSE, NULL, NULL); }
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| '!' expr { $$ = _hx509_make_expr(op_NOT, $2, NULL); }
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| expr kw_AND expr { $$ = _hx509_make_expr(op_AND, $1, $3); }
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| expr kw_OR expr { $$ = _hx509_make_expr(op_OR, $1, $3); }
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| '(' expr ')' { $$ = $2; }
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| comp { $$ = _hx509_make_expr(op_COMP, $1, NULL); }
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;
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words : word { $$ = _hx509_make_expr(expr_WORDS, $1, NULL); }
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| word ',' words { $$ = _hx509_make_expr(expr_WORDS, $1, $3); }
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;
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comp : word '=' '=' word { $$ = _hx509_make_expr(comp_EQ, $1, $4); }
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| word '!' '=' word { $$ = _hx509_make_expr(comp_NE, $1, $4); }
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| word kw_TAILMATCH word { $$ = _hx509_make_expr(comp_TAILEQ, $1, $3); }
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| word kw_IN '(' words ')' { $$ = _hx509_make_expr(comp_IN, $1, $4); }
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| word kw_IN variable { $$ = _hx509_make_expr(comp_IN, $1, $3); }
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;
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word : number { $$ = $1; }
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| string { $$ = $1; }
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| function { $$ = $1; }
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| variable { $$ = $1; }
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;
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number : NUMBER { $$ = _hx509_make_expr(expr_NUMBER, $1, NULL); };
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string : STRING { $$ = _hx509_make_expr(expr_STRING, $1, NULL); };
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function: IDENTIFIER '(' words ')' {
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$$ = _hx509_make_expr(expr_FUNCTION, $1, $3); }
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;
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variable: '%' '{' variables '}' { $$ = $3; }
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;
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variables: IDENTIFIER '.' variables {
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$$ = _hx509_make_expr(expr_VAR, $1, $3); }
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| IDENTIFIER {
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$$ = _hx509_make_expr(expr_VAR, $1, NULL); }
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;
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