115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/*-
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* Copyright (c) 2004 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#ifdef __FBSDID
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__FBSDID("$FreeBSD: src/sbin/gpt/remove.c,v 1.10 2006/10/04 18:20:25 marcel Exp $");
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#endif
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#ifdef __RCSID
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__RCSID("$NetBSD: uuid.c,v 1.1 2019/06/25 04:53:40 jnemeth Exp $");
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#endif
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#include <sys/types.h>
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#include <err.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "map.h"
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#include "gpt.h"
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#include "gpt_private.h"
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static int cmd_uuid(gpt_t, int, char *[]);
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static const char *uuidhelp[] = {
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"-a",
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"[-b blocknr] [-i index] [-L label] [-s sectors] [-t type]",
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};
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struct gpt_cmd c_uuid = {
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"uuid",
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cmd_uuid,
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uuidhelp, __arraycount(uuidhelp),
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GPT_SYNC,
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};
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#define usage() gpt_usage(NULL, &c_uuid)
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static void
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change_ent(struct gpt_ent *ent, void *v, int backup)
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{
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static gpt_uuid_t uuidstore;
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if (!backup)
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gpt_uuid_generate(NULL, uuidstore);
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memmove(ent->ent_guid, uuidstore, sizeof(ent->ent_guid));
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}
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static void
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change_hdr(struct gpt_hdr *hdr, void *v, int backup)
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{
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static gpt_uuid_t uuidstore;
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if (!backup)
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gpt_uuid_generate(NULL, uuidstore);
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memmove(hdr->hdr_guid, uuidstore, sizeof(hdr->hdr_guid));
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}
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static int
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cmd_uuid(gpt_t gpt, int argc, char *argv[])
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{
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int ch, rc;
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struct gpt_find find;
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memset(&find, 0, sizeof(find));
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find.msg = "UUID changed";
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/* Get the uuid options */
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while ((ch = getopt(argc, argv, GPT_FIND)) != -1) {
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if (gpt == NULL || gpt_add_find(gpt, &find, ch) == -1)
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return usage();
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}
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if (gpt == NULL || argc != optind)
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return usage();
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rc = gpt_change_ent(gpt, &find, change_ent, NULL);
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if (rc != 0)
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return rc;
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if (find.all)
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return gpt_change_hdr(gpt, &find, change_hdr, NULL);
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return 0;
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}
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