explicit namespaces. Modify it to use libutil for string/constant namespace conversions. Update the documentation to take into account the new interface. Obtained from: TrustedBSD Project
227 lines
5.2 KiB
C
227 lines
5.2 KiB
C
/*-
|
|
* Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
|
|
* 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 CONTRIBUTORS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
/*
|
|
* TrustedBSD Project - extended attribute support for UFS-like file systems
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/extattr.h>
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
|
|
#include <ufs/ufs/extattr.h>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <libutil.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
extern char *optarg;
|
|
extern int optind;
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr,
|
|
"usage:\n"
|
|
" extattrctl start [path]\n"
|
|
" extattrctl stop [path]\n"
|
|
" extattrctl initattr [-f] [-p path] [attrsize] [attrfile]\n"
|
|
" extattrctl enable [path] [namespace] [attrname] [attrfile]\n"
|
|
" extattrctl disable [path] [namespace] [attrname]\n");
|
|
exit(-1);
|
|
}
|
|
|
|
long
|
|
num_inodes_by_path(char *path)
|
|
{
|
|
struct statfs buf;
|
|
int error;
|
|
|
|
error = statfs(path, &buf);
|
|
if (error) {
|
|
perror("statfs");
|
|
return (-1);
|
|
}
|
|
|
|
return (buf.f_files);
|
|
}
|
|
|
|
int
|
|
initattr(int argc, char *argv[])
|
|
{
|
|
struct ufs_extattr_fileheader uef;
|
|
char *fs_path = NULL;
|
|
char *zero_buf = NULL;
|
|
long loop, num_inodes;
|
|
int ch, i, error, chunksize, overwrite = 0, flags;
|
|
|
|
optind = 0;
|
|
while ((ch = getopt(argc, argv, "fp:r:w:")) != -1)
|
|
switch (ch) {
|
|
case 'f':
|
|
overwrite = 1;
|
|
break;
|
|
case 'p':
|
|
if ((fs_path = strdup(optarg)) == NULL) {
|
|
perror("strdup");
|
|
return(-1);
|
|
}
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 2)
|
|
usage();
|
|
|
|
if (overwrite)
|
|
flags = O_CREAT | O_WRONLY;
|
|
else
|
|
flags = O_CREAT | O_EXCL | O_WRONLY;
|
|
|
|
error = 0;
|
|
if ((i = open(argv[1], flags, 0600)) != -1) {
|
|
uef.uef_magic = UFS_EXTATTR_MAGIC;
|
|
uef.uef_version = UFS_EXTATTR_VERSION;
|
|
uef.uef_size = atoi(argv[0]);
|
|
if (write(i, &uef, sizeof(uef)) == -1)
|
|
error = -1;
|
|
else if (fs_path) {
|
|
zero_buf = (char *) (malloc(uef.uef_size));
|
|
if (zero_buf == NULL) {
|
|
perror("malloc");
|
|
unlink(argv[1]);
|
|
return (-1);
|
|
}
|
|
memset(zero_buf, 0, uef.uef_size);
|
|
num_inodes = num_inodes_by_path(fs_path);
|
|
chunksize = sizeof(struct ufs_extattr_header) +
|
|
uef.uef_size;
|
|
for (loop = 0; loop < num_inodes; loop++) {
|
|
error = write(i, zero_buf, chunksize);
|
|
if (error != chunksize) {
|
|
perror("write");
|
|
unlink(argv[1]);
|
|
return (-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (i == -1) {
|
|
/* unable to open file */
|
|
perror(argv[1]);
|
|
return (-1);
|
|
}
|
|
if (error == -1) {
|
|
perror(argv[1]);
|
|
unlink(argv[1]);
|
|
return (-1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int error = 0, namespace;
|
|
|
|
if (argc < 2)
|
|
usage();
|
|
|
|
if (!strcmp(argv[1], "start")) {
|
|
if (argc != 3)
|
|
usage();
|
|
error = extattrctl(argv[2], UFS_EXTATTR_CMD_START, NULL, 0,
|
|
NULL);
|
|
if (error) {
|
|
perror("extattrctl start");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
} else if (!strcmp(argv[1], "stop")) {
|
|
if (argc != 3)
|
|
usage();
|
|
error = extattrctl(argv[2], UFS_EXTATTR_CMD_STOP, NULL, 0,
|
|
NULL);
|
|
if (error) {
|
|
perror("extattrctl stop");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
} else if (!strcmp(argv[1], "enable")) {
|
|
if (argc != 6)
|
|
usage();
|
|
error = extattr_string_to_namespace(argv[3], &namespace);
|
|
if (error) {
|
|
perror("extattrctl enable");
|
|
return (-1);
|
|
}
|
|
error = extattrctl(argv[2], UFS_EXTATTR_CMD_ENABLE, argv[4],
|
|
namespace, argv[5]);
|
|
if (error) {
|
|
perror("extattrctl enable");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
} else if (!strcmp(argv[1], "disable")) {
|
|
if (argc != 5)
|
|
usage();
|
|
error = extattr_string_to_namespace(argv[3], &namespace);
|
|
if (error) {
|
|
perror("extattrctl disable");
|
|
return (-1);
|
|
}
|
|
error = extattrctl(argv[2], UFS_EXTATTR_CMD_DISABLE, NULL,
|
|
namespace, argv[5]);
|
|
if (error) {
|
|
perror("extattrctl disable");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
} else if (!strcmp(argv[1], "initattr")) {
|
|
argc -= 2;
|
|
argv += 2;
|
|
error = initattr(argc, argv);
|
|
if (error)
|
|
return (-1);
|
|
return (0);
|
|
} else
|
|
usage();
|
|
}
|