diff options
| author | wiz <wiz@NetBSD.org> | 2001-08-20 14:47:49 +0000 |
|---|---|---|
| committer | wiz <wiz@NetBSD.org> | 2001-08-20 14:47:49 +0000 |
| commit | f19d54840aaf2f200a0776a087cbb9c3a4fd5fea (patch) | |
| tree | 7a908173f5b68828b5c136c021a10365a585794e /lib/libutil/secure_path.c | |
| parent | 149ced914e689868549ca0710ca7ade79c19769b (diff) | |
Rename secure_path(3) source file from securepath.c to secure_path.c.
Diffstat (limited to 'lib/libutil/secure_path.c')
| -rw-r--r-- | lib/libutil/secure_path.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libutil/secure_path.c b/lib/libutil/secure_path.c new file mode 100644 index 00000000000..2847326592b --- /dev/null +++ b/lib/libutil/secure_path.c @@ -0,0 +1,72 @@ +/* $NetBSD: secure_path.c,v 1.1 2001/08/20 14:47:50 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 1.1 2001/08/20 14:47:50 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/writeable 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: writeable by non-root", path); + else + return (0); + + return (-1); +} |
