0c3983b25a
. add bsd-style MLINKS to minix man set, restoring aliases (e.g. man add64 -> int64) . update daily cron script to run makewhatis and restore makewhatis in man Makefile (makedb), restores functionality of man -k . netbsd imports of man, mdocml, makewhatis, libutil, apropos . update man.conf with manpage locations, restoring man [-s] <section> . throws out some obsolete manpages
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
/* $NetBSD: secure_path.c,v 1.2 2003/01/06 20:30:30 wiz Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1995,1997 Berkeley Software Design, Inc. 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Berkeley Software Design,
|
|
* Inc.
|
|
* 4. The name of Berkeley Software Design, Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``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 BERKELEY SOFTWARE DESIGN, INC. 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.
|
|
*
|
|
* BSDI login_cap.c,v 2.13 1998/02/07 03:17:05 prb Exp
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: secure_path.c,v 1.2 2003/01/06 20:30:30 wiz Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <assert.h>
|
|
#include <syslog.h>
|
|
#include <util.h>
|
|
|
|
int
|
|
secure_path(const char *path)
|
|
{
|
|
struct stat sb;
|
|
|
|
_DIAGASSERT(path != NULL);
|
|
|
|
/*
|
|
* If not a regular file, or is owned/writable by someone
|
|
* other than root, quit.
|
|
*/
|
|
if (lstat(path, &sb) < 0)
|
|
/* syslog(LOG_ERR, "cannot stat %s: %m", path) */;
|
|
else if (!S_ISREG(sb.st_mode))
|
|
syslog(LOG_ERR, "%s: not a regular file", path);
|
|
else if (sb.st_uid != 0)
|
|
syslog(LOG_ERR, "%s: not owned by root", path);
|
|
else if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0)
|
|
syslog(LOG_ERR, "%s: writable by non-root", path);
|
|
else
|
|
return (0);
|
|
|
|
return (-1);
|
|
}
|