Functionality is hidden behind the -u flag to avoid confusing automounters PR: 200823 Reviewed by: asomers, eadler, wblock (man page) Approved by: trasz MFC after: 10 days Relnotes: yes Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D2045
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*-
|
|
* Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by Edward Tomasz Napierala under sponsorship
|
|
* from the FreeBSD Foundation.
|
|
*
|
|
* 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 AUTHORS 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 AUTHORS 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/disk.h>
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <geom/eli/g_eli.h>
|
|
|
|
#include "fstyp.h"
|
|
|
|
int
|
|
fstyp_geli(FILE *fp, char *label __unused, size_t labelsize __unused)
|
|
{
|
|
int error;
|
|
off_t mediasize;
|
|
u_int sectorsize;
|
|
struct g_eli_metadata md;
|
|
u_char *buf;
|
|
|
|
error = ioctl(fileno(fp), DIOCGMEDIASIZE, &mediasize);
|
|
if (error != 0)
|
|
return (1);
|
|
error = ioctl(fileno(fp), DIOCGSECTORSIZE, §orsize);
|
|
if (error != 0)
|
|
return (1);
|
|
buf = (u_char *)read_buf(fp, mediasize - sectorsize, sectorsize);
|
|
if (buf == NULL)
|
|
goto gelierr;
|
|
error = eli_metadata_decode(buf, &md);
|
|
if (error)
|
|
goto gelierr;
|
|
|
|
if (strncmp(md.md_magic, "GEOM::ELI", 9) == 0) {
|
|
free(buf);
|
|
return (0);
|
|
}
|
|
|
|
gelierr:
|
|
free(buf);
|
|
|
|
return (1);
|
|
}
|