Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/hx509/sel-gram.y b/third_party/heimdal/lib/hx509/sel-gram.y
new file mode 100644
index 0000000..09f641d
--- /dev/null
+++ b/third_party/heimdal/lib/hx509/sel-gram.y
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 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.
+ */
+
+%{
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <hx_locl.h>
+
+#if !defined(yylex)
+#define yylex   _hx509_sel_yylex
+#define yywrap  _hx509_sel_yywrap
+#endif
+#if !defined(yyparse)
+#define yyparse _hx509_sel_yyparse
+#define yyerror _hx509_sel_yyerror
+#define yylval  _hx509_sel_yylval
+#define yychar  _hx509_sel_yychar
+#define yydebug _hx509_sel_yydebug
+#define yynerrs _hx509_sel_yynerrs
+#endif
+
+%}
+
+%union {
+    char *string;
+    struct hx_expr *expr;
+}
+
+%token kw_TRUE
+%token kw_FALSE
+%token kw_AND
+%token kw_OR
+%token kw_IN
+%token kw_TAILMATCH
+
+%type <expr> expr
+%type <expr> comp
+%type <expr> word words
+%type <expr> number
+%type <expr> string
+%type <expr> function
+%type <expr> variable variables
+
+%token <string> NUMBER
+%token <string> STRING
+%token <string> IDENTIFIER
+
+%left '!'
+%left kw_AND
+%left kw_OR
+
+%start start
+
+%%
+
+start:	expr			{ _hx509_expr_input.expr = $1; }
+
+expr	: kw_TRUE		{ $$ = _hx509_make_expr(op_TRUE, NULL, NULL); }
+	| kw_FALSE		{ $$ = _hx509_make_expr(op_FALSE, NULL, NULL); }
+	| '!' expr		{ $$ = _hx509_make_expr(op_NOT, $2, NULL); }
+	| expr kw_AND expr	{ $$ = _hx509_make_expr(op_AND, $1, $3); }
+	| expr kw_OR expr	{ $$ = _hx509_make_expr(op_OR, $1, $3); }
+	| '(' expr ')'		{ $$ = $2; }
+	| comp			{ $$ = _hx509_make_expr(op_COMP, $1, NULL); }
+	;
+
+words	: word			{ $$ = _hx509_make_expr(expr_WORDS, $1, NULL); }
+	| word ',' words	{ $$ = _hx509_make_expr(expr_WORDS, $1, $3); }
+	;
+
+comp	: word '=' '=' word	{ $$ = _hx509_make_expr(comp_EQ, $1, $4); }
+	| word '!' '=' word	{ $$ = _hx509_make_expr(comp_NE, $1, $4); }
+	| word kw_TAILMATCH word { $$ = _hx509_make_expr(comp_TAILEQ, $1, $3); }
+	| word kw_IN '(' words ')' { $$ = _hx509_make_expr(comp_IN, $1, $4); }
+	| word kw_IN variable	{ $$ = _hx509_make_expr(comp_IN, $1, $3); }
+	;
+
+word	: number		{ $$ = $1; }
+	| string		{ $$ = $1; }
+	| function		{ $$ = $1; }
+	| variable		{ $$ = $1; }
+	;
+
+number	: NUMBER	{ $$ = _hx509_make_expr(expr_NUMBER, $1, NULL); };
+string	: STRING	{ $$ = _hx509_make_expr(expr_STRING, $1, NULL); };
+
+function: IDENTIFIER '(' words ')' {
+			$$ = _hx509_make_expr(expr_FUNCTION, $1, $3); }
+	;
+variable: '%' '{' variables '}'	{ $$ = $3; }
+	;
+
+variables: IDENTIFIER '.' variables 	{
+			$$ = _hx509_make_expr(expr_VAR, $1, $3); }
+	| IDENTIFIER			{
+			$$ = _hx509_make_expr(expr_VAR, $1, NULL); }
+	;