Module Name: src Committed By: tkusumi Date: Fri Dec 27 11:15:06 UTC 2019
Modified Files: src/usr.sbin/fstyp: Makefile fstyp.c fstyp.h Added Files: src/usr.sbin/fstyp: apfs.c Log Message: fstyp: Add APFS support taken-from: FreeBSD (freebsd/freebsd@171bb54729d6d6554eb09c9a3507b184795f33e3) To generate a diff of this commit: cvs rdiff -u -r1.7 -r1.8 src/usr.sbin/fstyp/Makefile cvs rdiff -u -r0 -r1.1 src/usr.sbin/fstyp/apfs.c cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/fstyp/fstyp.c cvs rdiff -u -r1.3 -r1.4 src/usr.sbin/fstyp/fstyp.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/usr.sbin/fstyp/Makefile diff -u src/usr.sbin/fstyp/Makefile:1.7 src/usr.sbin/fstyp/Makefile:1.8 --- src/usr.sbin/fstyp/Makefile:1.7 Fri Dec 27 11:06:23 2019 +++ src/usr.sbin/fstyp/Makefile Fri Dec 27 11:15:06 2019 @@ -1,9 +1,9 @@ -# $NetBSD: Makefile,v 1.7 2019/12/27 11:06:23 tkusumi Exp $ +# $NetBSD: Makefile,v 1.8 2019/12/27 11:15:06 tkusumi Exp $ .include <bsd.own.mk> PROG= fstyp -SRCS= cd9660.c exfat.c ext2fs.c fstyp.c hfsplus.c msdosfs.c ntfs.c ufs.c +SRCS= apfs.c cd9660.c exfat.c ext2fs.c fstyp.c hfsplus.c msdosfs.c ntfs.c ufs.c .if (${MKZFS} != "no") SRCS+= zfs.c Index: src/usr.sbin/fstyp/fstyp.c diff -u src/usr.sbin/fstyp/fstyp.c:1.4 src/usr.sbin/fstyp/fstyp.c:1.5 --- src/usr.sbin/fstyp/fstyp.c:1.4 Fri Dec 27 11:06:23 2019 +++ src/usr.sbin/fstyp/fstyp.c Fri Dec 27 11:15:06 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: fstyp.c,v 1.4 2019/12/27 11:06:23 tkusumi Exp $ */ +/* $NetBSD: fstyp.c,v 1.5 2019/12/27 11:15:06 tkusumi Exp $ */ /*- * Copyright (c) 2017 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ * */ #include <sys/cdefs.h> -__RCSID("$NetBSD: fstyp.c,v 1.4 2019/12/27 11:06:23 tkusumi Exp $"); +__RCSID("$NetBSD: fstyp.c,v 1.5 2019/12/27 11:15:06 tkusumi Exp $"); #include <sys/disklabel.h> #include <sys/dkio.h> @@ -63,6 +63,7 @@ static struct { fstyp_function function; bool unmountable; } fstypes[] = { + { "apfs", &fstyp_apfs, true }, { "cd9660", &fstyp_cd9660, false }, { "exfat", &fstyp_exfat, false }, { "ext2fs", &fstyp_ext2fs, false }, Index: src/usr.sbin/fstyp/fstyp.h diff -u src/usr.sbin/fstyp/fstyp.h:1.3 src/usr.sbin/fstyp/fstyp.h:1.4 --- src/usr.sbin/fstyp/fstyp.h:1.3 Fri Dec 27 11:06:23 2019 +++ src/usr.sbin/fstyp/fstyp.h Fri Dec 27 11:15:06 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: fstyp.h,v 1.3 2019/12/27 11:06:23 tkusumi Exp $ */ +/* $NetBSD: fstyp.h,v 1.4 2019/12/27 11:15:06 tkusumi Exp $ */ /*- * Copyright (c) 2017 The NetBSD Foundation, Inc. @@ -43,6 +43,7 @@ void *read_buf(FILE *, off_t, size_t); char *checked_strdup(const char *); void rtrim(char *, size_t); +int fstyp_apfs(FILE *fp, char *label, size_t size); int fstyp_cd9660(FILE *, char *, size_t); int fstyp_exfat(FILE *fp, char *label, size_t size); int fstyp_ext2fs(FILE *, char *, size_t); Added files: Index: src/usr.sbin/fstyp/apfs.c diff -u /dev/null src/usr.sbin/fstyp/apfs.c:1.1 --- /dev/null Fri Dec 27 11:15:06 2019 +++ src/usr.sbin/fstyp/apfs.c Fri Dec 27 11:15:06 2019 @@ -0,0 +1,107 @@ +/* $NetBSD: apfs.c,v 1.1 2019/12/27 11:15:06 tkusumi Exp $ */ +/* + * Copyright (c) 2019 Conrad Meyer <c...@freebsd.org>. 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. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: apfs.c,v 1.1 2019/12/27 11:15:06 tkusumi Exp $"); + +#include <assert.h> +#include <err.h> +#include <errno.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "fstyp.h" + +/* + * This really detects the container format, which might be best supported by + * geom_part or a special GEOM class. + * + * https://developer.apple.com/support/downloads/Apple-File-System-Reference.pdf + */ + +#define NX_CKSUM_SZ 8 + +typedef uint64_t nx_oid_t; + +typedef uint64_t nx_xid_t; + +struct nx_obj { + uint8_t o_cksum[NX_CKSUM_SZ]; /* Fletcher 64 */ + nx_oid_t o_oid; + nx_xid_t o_xid; + uint32_t o_type; + uint32_t o_subtype; +}; + +/* nx_obj::o_oid */ +#define OID_NX_SUPERBLOCK 1 + +/* nx_obj::o_type: */ +#define OBJECT_TYPE_MASK 0x0000ffff +#define OBJECT_TYPE_NX_SUPERBLOCK 0x00000001 +#define OBJECT_TYPE_FLAGS_MASK 0xffff0000 +#define OBJ_STORAGETYPE_MASK 0xc0000000 +#define OBJECT_TYPE_FLAGS_DEFINED_MASK 0xf8000000 +#define OBJ_STORAGE_VIRTUAL 0x00000000 +#define OBJ_STORAGE_EPHEMERAL 0x80000000 +#define OBJ_STORAGE_PHYSICAL 0x40000000 +#define OBJ_NOHEADER 0x20000000 +#define OBJ_ENCRYPTED 0x10000000 +#define OBJ_NONPERSISTENT 0x08000000 + +struct nx_superblock { + struct nx_obj nx_o; + char nx_magic[4]; + /* ... other stuff that doesn't matter */ +}; + +int +fstyp_apfs(FILE *fp, char *label, size_t size) +{ + struct nx_superblock *csb; + int retval; + + retval = 1; + csb = read_buf(fp, 0, sizeof(*csb)); + if (csb == NULL) + goto fail; + + /* Ideally, checksum the SB here. */ + if (strncmp(csb->nx_magic, "NXSB", 4) != 0 || + csb->nx_o.o_oid != OID_NX_SUPERBLOCK || + (csb->nx_o.o_type & OBJECT_TYPE_MASK) != OBJECT_TYPE_NX_SUPERBLOCK) + goto fail; + + retval = 0; + + /* No label support yet. */ + +fail: + free(csb); + return (retval); +}