77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*-
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* Copyright (c) 2001 Chris D. Faulhaber
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* All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/acl.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include "setfacl.h"
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/*
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* read acl text from a file and return the corresponding acl
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*/
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acl_t
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get_acl_from_file(const char *filename)
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{
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FILE *file;
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char buf[BUFSIZ];
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if (filename == NULL)
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err(1, "(null) filename in get_acl_from_file()");
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bzero(&buf, sizeof(buf));
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if (strcmp(filename, "-") == 0) {
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if (have_stdin != 0)
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err(1, "cannot specify more than one stdin");
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file = stdin;
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have_stdin = 1;
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} else {
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file = fopen(filename, "r");
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if (file == NULL)
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err(1, "fopen() %s failed", filename);
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}
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fread(buf, sizeof(buf), (size_t)1, file);
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if (ferror(file) != 0) {
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fclose(file);
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err(1, "error reading from %s", filename);
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} else if (feof(file) == 0) {
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fclose(file);
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errx(1, "line too long in %s", filename);
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}
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fclose(file);
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return (acl_from_text(buf));
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}
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