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559a218c9b
These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385
177 lines
3.9 KiB
Plaintext
177 lines
3.9 KiB
Plaintext
%{
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/* $NetBSD: nsparser.y,v 1.3 1999/01/25 00:16:18 lukem Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn.
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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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* 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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* 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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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "namespace.h"
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#define _NS_PRIVATE
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#include <nsswitch.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include "un-namespace.h"
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static void _nsaddsrctomap(const char *);
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static ns_dbt curdbt;
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static ns_src cursrc;
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%}
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%union {
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char *str;
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int mapval;
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}
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%token NL
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%token SUCCESS UNAVAIL NOTFOUND TRYAGAIN
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%token RETURN CONTINUE
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%token ERRORTOKEN
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%token <str> STRING
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%type <mapval> Status Action
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%%
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File
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: /* empty */
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| Lines
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;
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Lines
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: Entry
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| Lines Entry
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;
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Entry
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: NL
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| Database ':' NL
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{
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free((char*)curdbt.name);
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}
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| Database ':' Srclist NL
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{
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_nsdbtput(&curdbt);
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}
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| error NL
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{
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yyerrok;
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}
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;
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Database
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: STRING
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{
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curdbt.name = yylval.str;
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curdbt.srclist = NULL;
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curdbt.srclistsize = 0;
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}
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;
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Srclist
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: Item
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| Srclist Item
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;
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Item
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: STRING
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{
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cursrc.flags = NS_TERMINATE;
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_nsaddsrctomap($1);
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}
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| STRING '[' { cursrc.flags = NS_SUCCESS; } Criteria ']'
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{
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_nsaddsrctomap($1);
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}
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;
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Criteria
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: Criterion
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| Criteria Criterion
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;
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Criterion
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: Status '=' Action
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{
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if ($3) /* if action == RETURN set RETURN bit */
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cursrc.flags |= $1;
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else /* else unset it */
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cursrc.flags &= ~$1;
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}
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;
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Status
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: SUCCESS { $$ = NS_SUCCESS; }
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| UNAVAIL { $$ = NS_UNAVAIL; }
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| NOTFOUND { $$ = NS_NOTFOUND; }
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| TRYAGAIN { $$ = NS_TRYAGAIN; }
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;
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Action
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: RETURN { $$ = NS_ACTION_RETURN; }
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| CONTINUE { $$ = NS_ACTION_CONTINUE; }
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;
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%%
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static void
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_nsaddsrctomap(const char *elem)
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{
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int i, lineno;
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extern int _nsyylineno;
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extern char * _nsyytext;
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lineno = _nsyylineno - (*_nsyytext == '\n' ? 1 : 0);
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if (curdbt.srclistsize > 0) {
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if (((strcasecmp(elem, NSSRC_COMPAT) == 0) &&
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(strcasecmp(curdbt.srclist[0].name, NSSRC_CACHE) != 0)) ||
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(strcasecmp(curdbt.srclist[0].name, NSSRC_COMPAT) == 0)) {
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syslog(LOG_ERR,
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"NSSWITCH(nsparser): %s line %d: 'compat' used with sources, other than 'cache'",
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_PATH_NS_CONF, lineno);
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free((void*)elem);
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return;
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}
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}
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for (i = 0; i < curdbt.srclistsize; i++) {
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if (strcasecmp(curdbt.srclist[i].name, elem) == 0) {
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syslog(LOG_ERR,
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"NSSWITCH(nsparser): %s line %d: duplicate source '%s'",
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_PATH_NS_CONF, lineno, elem);
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free((void*)elem);
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return;
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}
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}
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cursrc.name = elem;
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_nsdbtaddsrc(&curdbt, &cursrc);
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}
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