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/*
* Copyright (c) 2001 Chris D. Faulhaber
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR THE VOICES IN HIS HEAD 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/acl.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#include <sysexits.h>
#include "setfacl.h"
/* read acl text from a file and return the corresponding acl */
acl_t
get_acl_from_file(const char *filename)
{
FILE *file;
char buf[BUFSIZ];
if (!filename)
err(EX_USAGE, "(null) filename in get_acl_from_file()");
bzero(&buf, sizeof(buf));
if (!strcmp(filename, "-")) {
if (have_stdin)
err(EX_USAGE, "cannot specify more than one stdin");
file = stdin;
have_stdin = 1;
} else {
file = fopen(filename, "r");
if (!file)
err(EX_OSERR, "fopen() %s failed", filename);
}
fread(buf, sizeof(buf), (size_t)1, file);
if (ferror(file)) {
fclose(file);
err(EX_USAGE, "error reading from %s", filename);
} else if (!feof(file)) {
fclose(file);
errx(EX_USAGE, "line too long in %s", filename);
}
fclose(file);
return acl_from_text(buf);
}
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