1 /* 2 * Copyright (c) 2001 Chris D. Faulhaber 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE VOICES IN HIS HEAD BE 18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/types.h> 30 #include <sys/acl.h> 31 32 #include <err.h> 33 #include <stdio.h> 34 #include <string.h> 35 36 #include "setfacl.h" 37 38 /* 39 * read acl text from a file and return the corresponding acl 40 */ 41 acl_t 42 get_acl_from_file(const char *filename) 43 { 44 FILE *file; 45 char buf[BUFSIZ]; 46 47 if (filename == NULL) 48 err(1, "(null) filename in get_acl_from_file()"); 49 50 bzero(&buf, sizeof(buf)); 51 52 if (strcmp(filename, "-") == 0) { 53 if (have_stdin != 0) 54 err(1, "cannot specify more than one stdin"); 55 file = stdin; 56 have_stdin = 1; 57 } else { 58 file = fopen(filename, "r"); 59 if (file == NULL) 60 err(1, "fopen() %s failed", filename); 61 } 62 63 fread(buf, sizeof(buf), (size_t)1, file); 64 if (ferror(file) != 0) { 65 fclose(file); 66 err(1, "error reading from %s", filename); 67 } else if (feof(file) == 0) { 68 fclose(file); 69 errx(1, "line too long in %s", filename); 70 } 71 72 fclose(file); 73 74 return (acl_from_text(buf)); 75 } 76