1 files changed, 148 insertions, 0 deletions
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 00000000000..f401e40e360
--- /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 <config.h>
+#endif
+
+#undef ECHO
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#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;
+}