+// SPDX-License-Identifier: GPL-2.0+
/* compile with: gcc -g -O0 -Wall -I/usr/include/xfs -o t_immutable t_immutable.c -lhandle -lacl -lattr */
/*
* t_immutable.c - hideous test suite for immutable/append-only flags.
- *
* Copyright (C) 2003 Ethan Benson
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define TEST_UTIME
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <grp.h>
#include <libgen.h>
#include <sys/acl.h>
-#include <attr/xattr.h>
+#include <sys/xattr.h>
#include <linux/fs.h>
#include <linux/magic.h>
#include <xfs/xfs.h>
if (stfs.f_type == XFS_SUPER_MAGIC && !getuid()) {
jdm_fshandle_t *fshandle;
- xfs_bstat_t bstat;
- xfs_fsop_bulkreq_t bulkreq;
+ struct xfs_bstat bstat;
+ struct xfs_fsop_bulkreq bulkreq;
xfs_ino_t ino;
char *dirpath;
fail++;
}
+ errno = 0;
+ if ((fd = open(path, O_RDWR|O_APPEND)) == -1) {
+ fprintf(stderr, "open(%s, O_RDWR|O_APPEND) failed: %s\n", path, strerror(errno));
+ fail++;
+ } else {
+ if (ftruncate(fd, 0) != -1) {
+ fprintf(stderr, "ftruncate(%s, 0) did not fail\n", path);
+ fail++;
+ } else if (errno != EPERM) {
+ fprintf(stderr, "ftruncate(%s, 0) did not set errno == EPERM\n", path);
+ fail++;
+ }
+ close(fd);
+ }
+
errno = 0;
if (truncate(path, 0) != -1) {
fprintf(stderr, "truncate(%s, 0) did not fail\n", path);
if (stfs.f_type == XFS_SUPER_MAGIC && !getuid()) {
jdm_fshandle_t *fshandle;
- xfs_bstat_t bstat;
- xfs_fsop_bulkreq_t bulkreq;
+ struct xfs_bstat bstat;
+ struct xfs_fsop_bulkreq bulkreq;
xfs_ino_t ino;
char *dirpath;
if (stfs.f_type == XFS_SUPER_MAGIC && !getuid()) {
jdm_fshandle_t *fshandle;
- xfs_bstat_t bstat;
- xfs_fsop_bulkreq_t bulkreq;
+ struct xfs_bstat bstat;
+ struct xfs_fsop_bulkreq bulkreq;
xfs_ino_t ino;
char *dirpath;
return 0;
}
+static int create_dir(char **ppath, const char *fmt, const char *dir)
+{
+ const char *path;
+ struct stat st;
+
+ if (asprintf(ppath, fmt, dir) == -1) {
+ return 1;
+ }
+ path = *ppath;
+ if (stat(path, &st) == 0) {
+ fprintf(stderr, "%s: Test area directory %s must not exist for test area creation.\n",
+ __progname, path);
+ return 1;
+ }
+ if (mkdir(path, 0777) != 0) {
+ fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
+ return 1;
+ }
+ return 0;
+}
+
+static int create_file(char **ppath, const char *fmt, const char *dir)
+{
+ const char *path;
+ int fd;
+
+ if (asprintf(ppath, fmt, dir) == -1) {
+ return 1;
+ }
+ path = *ppath;
+ if ((fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0666)) == -1) {
+ fprintf(stderr, "%s: error creating file %s: %s\n", __progname, path, strerror(errno));
+ return 1;
+ }
+ return fd;
+}
+
+static int create_xattrs(int fd)
+{
+ if (fsetxattr(fd, "trusted.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
+ if (errno != EOPNOTSUPP) {
+ perror("setxattr");
+ return 1;
+ }
+ }
+ if (fsetxattr(fd, "user.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
+ if (errno != EOPNOTSUPP) {
+ perror("setxattr");
+ return 1;
+ }
+ }
+ return 0;
+}
+
static int create_test_area(const char *dir)
{
int fd;
char *path;
static const char *acl_u_text = "u::rw-,g::rw-,o::rw-,u:nobody:rw-,m::rw-";
static const char *acl_u_text_d = "u::rwx,g::rwx,o::rwx,u:nobody:rwx,m::rwx";
- struct stat st;
static const char *immutable = "This is an immutable file.\nIts contents cannot be altered.\n";
static const char *append_only = "This is an append-only file.\nIts contents cannot be altered.\n"
"Data can only be appended.\n---\n";
return 1;
}
- if (stat(dir, &st) == 0) {
- fprintf(stderr, "%s: Test area directory %s must not exist for test area creation.\n",
- __progname, dir);
- return 1;
- }
-
umask(0000);
- if (mkdir(dir, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, dir, strerror(errno));
+ if (create_dir(&path, "%s", dir)) {
return 1;
}
-
- asprintf(&path, "%s/immutable.d", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
- return 1;
- }
- free(path);
-
- asprintf(&path, "%s/empty-immutable.d", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
- return 1;
- }
free(path);
- asprintf(&path, "%s/append-only.d", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
- return 1;
+ if (create_dir(&path, "%s/append-only.d", dir)) {
+ return 1;
}
free(path);
- asprintf(&path, "%s/empty-append-only.d", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
- return 1;
+ if (create_dir(&path, "%s/append-only.d/dir", dir)) {
+ return 1;
}
free(path);
- asprintf(&path, "%s/immutable.d/dir", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
+ if ((fd = create_file(&path, "%s/append-only.d/file", dir)) == -1) {
return 1;
}
+ close(fd);
free(path);
- asprintf(&path, "%s/append-only.d/dir", dir);
- if (mkdir(path, 0777) != 0) {
- fprintf(stderr, "%s: error creating directory %s: %s\n", __progname, path, strerror(errno));
- return 1;
+ if (create_dir(&path, "%s/immutable.d", dir)) {
+ return 1;
}
free(path);
- asprintf(&path, "%s/append-only.d/file", dir);
- if ((fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0666)) == -1) {
- fprintf(stderr, "%s: error creating file %s: %s\n", __progname, path, strerror(errno));
- return 1;
+ if (create_dir(&path, "%s/immutable.d/dir", dir)) {
+ return 1;
}
- close(fd);
free(path);
- asprintf(&path, "%s/immutable.d/file", dir);
- if ((fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0666)) == -1) {
- fprintf(stderr, "%s: error creating file %s: %s\n", __progname, path, strerror(errno));
+ if ((fd = create_file(&path, "%s/immutable.d/file", dir)) == -1) {
return 1;
}
close(fd);
free(path);
- asprintf(&path, "%s/immutable.f", dir);
- if ((fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0666)) == -1) {
- fprintf(stderr, "%s: error creating file %s: %s\n", __progname, path, strerror(errno));
+ if ((fd = create_file(&path, "%s/immutable.f", dir)) == -1) {
return 1;
}
if (write(fd, immutable, strlen(immutable)) != strlen(immutable)) {
perror("acl");
return 1;
}
- if (fsetxattr(fd, "trusted.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
- }
- if (fsetxattr(fd, "user.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
+ if (create_xattrs(fd)) {
+ return 1;
}
if (fsetflag(path, fd, 1, 1)) {
perror("fsetflag");
close(fd);
free(path);
- asprintf(&path, "%s/append-only.f", dir);
- if ((fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0666)) == -1) {
+ if ((fd = create_file(&path, "%s/append-only.f", dir)) == -1) {
fprintf(stderr, "%s: error creating file %s: %s\n", __progname, path, strerror(errno));
return 1;
}
perror("acl");
return 1;
}
- if (fsetxattr(fd, "trusted.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
- }
- if (fsetxattr(fd, "user.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
+ if (create_xattrs(fd)) {
+ return 1;
}
if (fsetflag(path, fd, 1, 0)) {
perror("fsetflag");
perror("acl");
return 1;
}
- if (fsetxattr(fd, "trusted.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
- }
- if (fsetxattr(fd, "user.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
+ if (create_xattrs(fd)) {
+ return 1;
}
if (fsetflag(path, fd, 1, 1)) {
perror("fsetflag");
close(fd);
free(path);
- asprintf(&path, "%s/empty-immutable.d", dir);
+ if (create_dir(&path, "%s/empty-immutable.d", dir)) {
+ return 1;
+ }
if ((fd = open(path, O_RDONLY)) == -1) {
fprintf(stderr, "%s: error opening %s: %s\n", __progname, path, strerror(errno));
return 1;
perror("acl");
return 1;
}
- if (fsetxattr(fd, "trusted.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
- }
- if (fsetxattr(fd, "user.test", "readonly", strlen("readonly"), XATTR_CREATE) != 0) {
- if (errno != EOPNOTSUPP) {
- perror("setxattr");
- return 1;
- }
+ if (create_xattrs(fd)) {
+ return 1;
}
if (fsetflag(path, fd, 1, 0)) {
perror("fsetflag");
close(fd);
free(path);
- asprintf(&path, "%s/empty-append-only.d", dir);
+ if (create_dir(&path, "%s/empty-append-only.d", dir)) {
+ return 1;
+ }
if ((fd = open(path, O_RDONLY)) == -1) {
fprintf(stderr, "%s: error opening %s: %s\n", __progname, path, strerror(errno));
return 1;
{
int ret;
int failed = 0;
+ int runtest = 1, create = 0, remove = 0;
/* this arg parsing is gross, but who cares, its a test program */
}
if (!strcmp(argv[1], "-c")) {
- if (argc == 3) {
- if ((ret = create_test_area(argv[argc-1])))
- return ret;
- } else {
- fprintf(stderr, "usage: t_immutable -c test_area_dir\n");
- return 1;
- }
+ create = 1;
} else if (!strcmp(argv[1], "-C")) {
- if (argc == 3) {
- return create_test_area(argv[argc-1]);
- } else {
- fprintf(stderr, "usage: t_immutable -C test_area_dir\n");
- return 1;
- }
+ /* Prepare test area without running tests */
+ create = 1;
+ runtest = 0;
} else if (!strcmp(argv[1], "-r")) {
- if (argc == 3)
- return remove_test_area(argv[argc-1]);
- else {
- fprintf(stderr, "usage: t_immutable -r test_area_dir\n");
- return 1;
- }
- } else if (argc != 2) {
- fprintf(stderr, "usage: t_immutable [-c|-r] test_area_dir\n");
+ remove = 1;
+ }
+
+ if (argc != 2 + (create | remove)) {
+ fprintf(stderr, "usage: t_immutable [-C|-c|-r] test_area_dir\n");
return 1;
}
+ if (create) {
+ ret = create_test_area(argv[argc-1]);
+ if (ret || !runtest) {
+ return ret;
+ }
+ } else if (remove) {
+ return remove_test_area(argv[argc-1]);
+ }
+
umask(0000);
if (check_test_area(argv[argc-1]))
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