mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Nathan Scott
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
/*
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* Copyright (c) 2001-2002 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Get an access or default acl on a file
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* using IRIX semantics or Linux semantics
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/acl.h>
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#include <acl/libacl.h>
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char *prog;
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void usage(void)
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{
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fprintf(stderr, "usage: %s [-a] [-d] [-f] [-i] path\n"
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"flags:\n"
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" -a - get access ACL\n"
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" -d - get default ACL\n"
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" -f - get access ACL using file descriptor\n"
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,prog);
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}
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int
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main(int argc, char **argv)
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{
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int c;
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char *file;
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char *acl_text;
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int getaccess = 0;
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int getdefault = 0;
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int usefd = 0;
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int fd = -1;
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acl_t acl;
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prog = basename(argv[0]);
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while ((c = getopt(argc, argv, "adf")) != -1) {
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switch (c) {
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case 'a':
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getaccess = 1;
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break;
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case 'd':
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getdefault = 1;
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break;
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case 'f':
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usefd = 1;
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break;
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case '?':
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usage();
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return 1;
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}
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}
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if (getdefault && usefd) {
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fprintf(stderr, "%s: -f and -d are not compatible\n", prog);
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return 1;
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}
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/* need path */
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if (optind == argc) {
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usage();
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exit(1);
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}
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else {
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file = argv[optind];
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}
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if (usefd) {
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fd = open(file, O_RDONLY);
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if (fd < 0) {
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fprintf (stderr, "%s: error opening \"%s\": %s\n",
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prog, file, strerror(errno));
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usage();
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return 1;
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}
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}
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if (getaccess) {
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if (usefd) {
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acl = acl_get_fd(fd);
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}
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else {
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acl = acl_get_file(file, ACL_TYPE_ACCESS);
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}
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if (acl == NULL) {
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fprintf(stderr, "%s: error getting access ACL on \"%s\": %s\n",
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prog, file, strerror(errno));
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return 0;
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}
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acl_text = acl_to_any_text(acl, NULL, ',', TEXT_ABBREVIATE);
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if (acl_text == NULL) {
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fprintf(stderr, "%s: cannot get access ACL text on '%s': %s\n",
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prog, file, strerror(errno));
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return 0;
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}
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printf("%s: access %s", file, acl_text);
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acl_free(acl_text);
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acl_free(acl);
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}
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if (getdefault) {
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acl = acl_get_file(file, ACL_TYPE_DEFAULT);
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if (acl == NULL) {
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fprintf(stderr, "%s: error getting default ACL on \"%s\": %s\n",
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prog, file, strerror(errno));
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return 0;
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}
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acl_text = acl_to_any_text(acl, NULL, ',', TEXT_ABBREVIATE);
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if (acl_text == NULL) {
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fprintf(stderr, "%s: cannot get default ACL text on '%s': %s\n",
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prog, file, strerror(errno));
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return 0;
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}
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printf("%s: default %s", file, acl_text);
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acl_free(acl_text);
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acl_free(acl);
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}
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return 0;
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}
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