1994-05-26 06:35:07 +00:00
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/*
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* Copyright (c) 1987, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Symmetric Computer Systems.
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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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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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1998-06-04 06:49:13 +00:00
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static const char copyright[] =
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1994-05-26 06:35:07 +00:00
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"@(#) Copyright (c) 1987, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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1998-06-04 06:49:13 +00:00
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#if 0
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1994-05-26 06:35:07 +00:00
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static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
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/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
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1998-06-04 06:49:13 +00:00
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#endif
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static const char rcsid[] =
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1998-06-28 18:59:04 +00:00
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"$Id: disklabel.c,v 1.14 1998/06/08 06:41:47 charnier Exp $";
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1994-05-26 06:35:07 +00:00
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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1996-01-21 23:55:47 +00:00
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#include <sys/wait.h>
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1994-05-26 06:35:07 +00:00
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#define DKTYPENAMES
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#include <sys/disklabel.h>
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#include <ufs/ffs/fs.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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1996-01-21 23:55:47 +00:00
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#include <stdlib.h>
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#include <signal.h>
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#include <stdarg.h>
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1994-05-26 06:35:07 +00:00
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#include <ctype.h>
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1997-06-10 11:08:53 +00:00
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#include <err.h>
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1994-05-26 06:35:07 +00:00
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#include "pathnames.h"
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/*
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* Disklabel: read and write disklabels.
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* The label is usually placed on one of the first sectors of the disk.
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* Many machines also place a bootstrap in the same area,
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* in which case the label is embedded in the bootstrap.
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* The bootstrap source must leave space at the proper offset
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* for the label on such machines.
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*/
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#ifdef tahoe
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#define RAWPARTITION 'a'
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#else
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#define RAWPARTITION 'c'
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#endif
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#ifndef BBSIZE
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#define BBSIZE 8192 /* size of boot area, with label */
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#endif
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#ifdef tahoe
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#define NUMBOOT 0
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#else
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#if defined(hp300) || defined(hp800)
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#define NUMBOOT 1
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#else
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#define NUMBOOT 2
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#endif
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#endif
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1996-01-21 23:55:47 +00:00
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void makelabel __P((char *, char *, struct disklabel *));
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int writelabel __P((int, char *, struct disklabel *));
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void l_perror __P((char *));
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struct disklabel * readlabel __P((int));
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struct disklabel * makebootarea __P((char *, struct disklabel *, int));
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void display __P((FILE *, struct disklabel *));
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int edit __P((struct disklabel *, int));
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int editit __P((void));
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char * skip __P((char *));
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char * word __P((char *));
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int getasciilabel __P((FILE *, struct disklabel *));
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int checklabel __P((struct disklabel *));
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void setbootflag __P((struct disklabel *));
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void Warning (char *, ...);
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void usage __P((void));
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extern u_short dkcksum __P((struct disklabel *));
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1996-01-22 01:01:15 +00:00
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struct disklabel * getvirginlabel __P((void));
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1996-01-21 23:55:47 +00:00
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1994-05-26 06:35:07 +00:00
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#define DEFEDITOR _PATH_VI
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#define streq(a,b) (strcmp(a,b) == 0)
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char *dkname;
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char *specname;
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char tmpfil[] = _PATH_TMP;
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char namebuf[BBSIZE], *np = namebuf;
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struct disklabel lab;
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struct disklabel *readlabel(), *makebootarea();
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char bootarea[BBSIZE];
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#if NUMBOOT > 0
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int installboot; /* non-zero if we should install a boot program */
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char *bootbuf; /* pointer to buffer with remainder of boot prog */
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int bootsize; /* size of remaining boot program */
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char *xxboot; /* primary boot */
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char *bootxx; /* secondary boot */
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char boot0[MAXPATHLEN];
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char boot1[MAXPATHLEN];
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#endif
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enum {
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UNSPEC, EDIT, NOWRITE, READ, RESTORE, WRITE, WRITEABLE, WRITEBOOT
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} op = UNSPEC;
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int rflag;
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#ifdef DEBUG
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int debug;
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#define OPTIONS "BNRWb:ders:w"
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#else
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#define OPTIONS "BNRWb:ers:w"
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#endif
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1996-01-21 23:55:47 +00:00
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int
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1994-05-26 06:35:07 +00:00
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register struct disklabel *lp;
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FILE *t;
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int ch, f, flag, error = 0;
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char *name = 0;
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1997-03-29 03:33:12 +00:00
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while ((ch = getopt(argc, argv, OPTIONS)) != -1)
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1994-05-26 06:35:07 +00:00
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switch (ch) {
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#if NUMBOOT > 0
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case 'B':
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++installboot;
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break;
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case 'b':
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xxboot = optarg;
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break;
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#if NUMBOOT > 1
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case 's':
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bootxx = optarg;
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break;
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#endif
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#endif
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case 'N':
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if (op != UNSPEC)
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usage();
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op = NOWRITE;
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break;
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case 'R':
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if (op != UNSPEC)
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usage();
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op = RESTORE;
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break;
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case 'W':
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if (op != UNSPEC)
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usage();
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op = WRITEABLE;
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break;
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case 'e':
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if (op != UNSPEC)
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usage();
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op = EDIT;
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break;
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case 'r':
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++rflag;
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break;
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case 'w':
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if (op != UNSPEC)
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usage();
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op = WRITE;
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break;
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#ifdef DEBUG
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case 'd':
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debug++;
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break;
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#endif
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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#if NUMBOOT > 0
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if (installboot) {
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rflag++;
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if (op == UNSPEC)
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op = WRITEBOOT;
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} else {
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if (op == UNSPEC)
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op = READ;
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xxboot = bootxx = 0;
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}
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#else
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if (op == UNSPEC)
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op = READ;
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#endif
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if (argc < 1)
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usage();
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dkname = argv[0];
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if (dkname[0] != '/') {
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(void)sprintf(np, "%sr%s%c", _PATH_DEV, dkname, RAWPARTITION);
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specname = np;
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np += strlen(specname) + 1;
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} else
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specname = dkname;
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f = open(specname, op == READ ? O_RDONLY : O_RDWR);
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if (f < 0 && errno == ENOENT && dkname[0] != '/') {
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(void)sprintf(specname, "%sr%s", _PATH_DEV, dkname);
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np = namebuf + strlen(specname) + 1;
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f = open(specname, op == READ ? O_RDONLY : O_RDWR);
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}
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if (f < 0)
|
1997-06-10 11:08:53 +00:00
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err(4, "%s", specname);
|
1994-05-26 06:35:07 +00:00
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switch(op) {
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case EDIT:
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if (argc != 1)
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usage();
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lp = readlabel(f);
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error = edit(lp, f);
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break;
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case NOWRITE:
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flag = 0;
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if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0)
|
1997-06-10 11:08:53 +00:00
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err(4, "ioctl DIOCWLABEL");
|
1994-05-26 06:35:07 +00:00
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break;
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case READ:
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if (argc != 1)
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usage();
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lp = readlabel(f);
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display(stdout, lp);
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error = checklabel(lp);
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break;
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case RESTORE:
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#if NUMBOOT > 0
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if (installboot && argc == 3) {
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makelabel(argv[2], 0, &lab);
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argc--;
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}
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#endif
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if (argc != 2)
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usage();
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lp = makebootarea(bootarea, &lab, f);
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if (!(t = fopen(argv[1], "r")))
|
1997-06-10 11:08:53 +00:00
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err(4, "%s", argv[1]);
|
1994-05-26 06:35:07 +00:00
|
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if (getasciilabel(t, lp))
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error = writelabel(f, bootarea, lp);
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break;
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case WRITE:
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|
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if (argc == 3) {
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name = argv[2];
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argc--;
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|
}
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|
|
if (argc != 2)
|
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|
|
usage();
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|
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makelabel(argv[1], name, &lab);
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|
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lp = makebootarea(bootarea, &lab, f);
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|
|
*lp = lab;
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|
|
if (checklabel(lp) == 0)
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|
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error = writelabel(f, bootarea, lp);
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break;
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|
|
|
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|
|
case WRITEABLE:
|
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|
|
flag = 1;
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|
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if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0)
|
1997-06-10 11:08:53 +00:00
|
|
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err(4, "ioctl DIOCWLABEL");
|
1994-05-26 06:35:07 +00:00
|
|
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break;
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|
|
|
#if NUMBOOT > 0
|
|
|
|
case WRITEBOOT:
|
|
|
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{
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|
|
struct disklabel tlab;
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|
|
|
|
|
|
lp = readlabel(f);
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|
|
tlab = *lp;
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|
|
if (argc == 2)
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|
|
|
makelabel(argv[1], 0, &lab);
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|
|
|
lp = makebootarea(bootarea, &lab, f);
|
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|
|
*lp = tlab;
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|
|
|
if (checklabel(lp) == 0)
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|
|
error = writelabel(f, bootarea, lp);
|
|
|
|
break;
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|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
exit(error);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Construct a prototype disklabel from /etc/disktab. As a side
|
|
|
|
* effect, set the names of the primary and secondary boot files
|
|
|
|
* if specified.
|
|
|
|
*/
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
1994-05-26 06:35:07 +00:00
|
|
|
makelabel(type, name, lp)
|
|
|
|
char *type, *name;
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
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|
|
|
register struct disklabel *dp;
|
1996-01-22 01:01:15 +00:00
|
|
|
|
|
|
|
if (strcmp(type, "auto") == 0)
|
|
|
|
dp = getvirginlabel();
|
|
|
|
else
|
1996-01-21 23:55:47 +00:00
|
|
|
dp = getdiskbyname(type);
|
1998-06-04 06:49:13 +00:00
|
|
|
if (dp == NULL)
|
|
|
|
errx(1, "%s: unknown disk type", type);
|
1994-05-26 06:35:07 +00:00
|
|
|
*lp = *dp;
|
|
|
|
#if NUMBOOT > 0
|
|
|
|
/*
|
|
|
|
* Set bootstrap name(s).
|
|
|
|
* 1. If set from command line, use those,
|
|
|
|
* 2. otherwise, check if disktab specifies them (b0 or b1),
|
|
|
|
* 3. otherwise, makebootarea() will choose ones based on the name
|
|
|
|
* of the disk special file. E.g. /dev/ra0 -> raboot, bootra
|
|
|
|
*/
|
|
|
|
if (!xxboot && lp->d_boot0) {
|
|
|
|
if (*lp->d_boot0 != '/')
|
|
|
|
(void)sprintf(boot0, "%s/%s",
|
|
|
|
_PATH_BOOTDIR, lp->d_boot0);
|
|
|
|
else
|
|
|
|
(void)strcpy(boot0, lp->d_boot0);
|
|
|
|
xxboot = boot0;
|
|
|
|
}
|
|
|
|
#if NUMBOOT > 1
|
|
|
|
if (!bootxx && lp->d_boot1) {
|
|
|
|
if (*lp->d_boot1 != '/')
|
|
|
|
(void)sprintf(boot1, "%s/%s",
|
|
|
|
_PATH_BOOTDIR, lp->d_boot1);
|
|
|
|
else
|
|
|
|
(void)strcpy(boot1, lp->d_boot1);
|
|
|
|
bootxx = boot1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* d_packname is union d_boot[01], so zero */
|
|
|
|
bzero(lp->d_packname, sizeof(lp->d_packname));
|
|
|
|
if (name)
|
|
|
|
(void)strncpy(lp->d_packname, name, sizeof(lp->d_packname));
|
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
int
|
1994-05-26 06:35:07 +00:00
|
|
|
writelabel(f, boot, lp)
|
|
|
|
int f;
|
|
|
|
char *boot;
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
|
1996-01-21 23:55:47 +00:00
|
|
|
#ifdef vax
|
1994-05-26 06:35:07 +00:00
|
|
|
register int i;
|
1996-01-21 23:55:47 +00:00
|
|
|
#endif
|
1994-05-26 06:35:07 +00:00
|
|
|
int flag;
|
|
|
|
|
|
|
|
setbootflag(lp);
|
|
|
|
lp->d_magic = DISKMAGIC;
|
|
|
|
lp->d_magic2 = DISKMAGIC;
|
|
|
|
lp->d_checksum = 0;
|
|
|
|
lp->d_checksum = dkcksum(lp);
|
|
|
|
if (rflag) {
|
|
|
|
/*
|
|
|
|
* First set the kernel disk label,
|
|
|
|
* then write a label to the raw disk.
|
|
|
|
* If the SDINFO ioctl fails because it is unimplemented,
|
|
|
|
* keep going; otherwise, the kernel consistency checks
|
|
|
|
* may prevent us from changing the current (in-core)
|
|
|
|
* label.
|
|
|
|
*/
|
|
|
|
if (ioctl(f, DIOCSDINFO, lp) < 0 &&
|
|
|
|
errno != ENODEV && errno != ENOTTY) {
|
|
|
|
l_perror("ioctl DIOCSDINFO");
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
(void)lseek(f, (off_t)0, SEEK_SET);
|
|
|
|
/*
|
|
|
|
* write enable label sector before write (if necessary),
|
|
|
|
* disable after writing.
|
|
|
|
*/
|
|
|
|
flag = 1;
|
|
|
|
if (ioctl(f, DIOCWLABEL, &flag) < 0)
|
1998-06-04 06:49:13 +00:00
|
|
|
warn("ioctl DIOCWLABEL");
|
1994-05-26 06:35:07 +00:00
|
|
|
if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warn("write");
|
1994-05-26 06:35:07 +00:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
#if NUMBOOT > 0
|
|
|
|
/*
|
|
|
|
* Output the remainder of the disklabel
|
|
|
|
*/
|
|
|
|
if (bootbuf && write(f, bootbuf, bootsize) != bootsize) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warn("write");
|
1994-05-26 06:35:07 +00:00
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
flag = 0;
|
|
|
|
(void) ioctl(f, DIOCWLABEL, &flag);
|
|
|
|
} else if (ioctl(f, DIOCWDINFO, lp) < 0) {
|
|
|
|
l_perror("ioctl DIOCWDINFO");
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
#ifdef vax
|
|
|
|
if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) {
|
|
|
|
daddr_t alt;
|
|
|
|
|
|
|
|
alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors;
|
|
|
|
for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) {
|
|
|
|
(void)lseek(f, (off_t)((alt + i) * lp->d_secsize),
|
|
|
|
SEEK_SET);
|
1998-06-04 06:49:13 +00:00
|
|
|
if (write(f, boot, lp->d_secsize) < lp->d_secsize)
|
|
|
|
warn("alternate label %d write", i/2);
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
1994-05-26 06:35:07 +00:00
|
|
|
l_perror(s)
|
|
|
|
char *s;
|
|
|
|
{
|
1998-06-04 06:49:13 +00:00
|
|
|
switch (errno) {
|
1994-05-26 06:35:07 +00:00
|
|
|
|
|
|
|
case ESRCH:
|
1998-06-08 06:41:47 +00:00
|
|
|
warnx("%s: no disk label on disk;", s);
|
|
|
|
fprintf(stderr,
|
|
|
|
"use \"disklabel -r\" to install initial label\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case EINVAL:
|
1998-06-08 06:41:47 +00:00
|
|
|
warnx("%s: label magic number or checksum is wrong!", s);
|
|
|
|
fprintf(stderr, "(disklabel or kernel is out of date?)\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case EBUSY:
|
1998-06-04 06:49:13 +00:00
|
|
|
warnx("%s: open partition would move or shrink", s);
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case EXDEV:
|
1998-06-04 06:49:13 +00:00
|
|
|
warnx(
|
1998-06-08 06:41:47 +00:00
|
|
|
"%s: labeled partition or 'a' partition must start at beginning of disk", s);
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
1998-06-04 06:49:13 +00:00
|
|
|
warn((char *)NULL);
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Fetch disklabel for disk.
|
|
|
|
* Use ioctl to get label unless -r flag is given.
|
|
|
|
*/
|
|
|
|
struct disklabel *
|
|
|
|
readlabel(f)
|
|
|
|
int f;
|
|
|
|
{
|
|
|
|
register struct disklabel *lp;
|
|
|
|
|
|
|
|
if (rflag) {
|
|
|
|
if (read(f, bootarea, BBSIZE) < BBSIZE)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", specname);
|
1994-05-26 06:35:07 +00:00
|
|
|
for (lp = (struct disklabel *)bootarea;
|
|
|
|
lp <= (struct disklabel *)(bootarea + BBSIZE - sizeof(*lp));
|
|
|
|
lp = (struct disklabel *)((char *)lp + 16))
|
|
|
|
if (lp->d_magic == DISKMAGIC &&
|
|
|
|
lp->d_magic2 == DISKMAGIC)
|
|
|
|
break;
|
|
|
|
if (lp > (struct disklabel *)(bootarea+BBSIZE-sizeof(*lp)) ||
|
|
|
|
lp->d_magic != DISKMAGIC || lp->d_magic2 != DISKMAGIC ||
|
1998-06-08 06:41:47 +00:00
|
|
|
dkcksum(lp) != 0)
|
|
|
|
errx(1,
|
|
|
|
"bad pack magic number (label is damaged, or pack is unlabeled)");
|
1994-05-26 06:35:07 +00:00
|
|
|
} else {
|
|
|
|
lp = &lab;
|
|
|
|
if (ioctl(f, DIOCGDINFO, lp) < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "ioctl DIOCGDINFO");
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
return (lp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Construct a bootarea (d_bbsize bytes) in the specified buffer ``boot''
|
|
|
|
* Returns a pointer to the disklabel portion of the bootarea.
|
|
|
|
*/
|
|
|
|
struct disklabel *
|
|
|
|
makebootarea(boot, dp, f)
|
|
|
|
char *boot;
|
|
|
|
register struct disklabel *dp;
|
|
|
|
int f;
|
|
|
|
{
|
|
|
|
struct disklabel *lp;
|
|
|
|
register char *p;
|
|
|
|
int b;
|
|
|
|
#if NUMBOOT > 0
|
|
|
|
char *dkbasename;
|
1996-01-21 23:55:47 +00:00
|
|
|
#if NUMBOOT == 1
|
1994-05-26 06:35:07 +00:00
|
|
|
struct stat sb;
|
1996-01-21 23:55:47 +00:00
|
|
|
#endif
|
1996-02-03 21:14:09 +00:00
|
|
|
#ifdef __i386__
|
|
|
|
char *tmpbuf;
|
|
|
|
int i, found;
|
|
|
|
#endif /* i386 */
|
1994-05-26 06:35:07 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/* XXX */
|
|
|
|
if (dp->d_secsize == 0) {
|
|
|
|
dp->d_secsize = DEV_BSIZE;
|
|
|
|
dp->d_bbsize = BBSIZE;
|
|
|
|
}
|
|
|
|
lp = (struct disklabel *)
|
|
|
|
(boot + (LABELSECTOR * dp->d_secsize) + LABELOFFSET);
|
|
|
|
bzero((char *)lp, sizeof *lp);
|
|
|
|
#if NUMBOOT > 0
|
|
|
|
/*
|
|
|
|
* If we are not installing a boot program but we are installing a
|
|
|
|
* label on disk then we must read the current bootarea so we don't
|
|
|
|
* clobber the existing boot.
|
|
|
|
*/
|
|
|
|
if (!installboot) {
|
|
|
|
if (rflag) {
|
|
|
|
if (read(f, boot, BBSIZE) < BBSIZE)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", specname);
|
1994-05-26 06:35:07 +00:00
|
|
|
bzero((char *)lp, sizeof *lp);
|
|
|
|
}
|
|
|
|
return (lp);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* We are installing a boot program. Determine the name(s) and
|
|
|
|
* read them into the appropriate places in the boot area.
|
|
|
|
*/
|
|
|
|
if (!xxboot || !bootxx) {
|
|
|
|
dkbasename = np;
|
|
|
|
if ((p = rindex(dkname, '/')) == NULL)
|
|
|
|
p = dkname;
|
|
|
|
else
|
|
|
|
p++;
|
|
|
|
while (*p && !isdigit(*p))
|
|
|
|
*np++ = *p++;
|
|
|
|
*np++ = '\0';
|
|
|
|
|
|
|
|
if (!xxboot) {
|
|
|
|
(void)sprintf(np, "%s/%sboot",
|
|
|
|
_PATH_BOOTDIR, dkbasename);
|
|
|
|
if (access(np, F_OK) < 0 && dkbasename[0] == 'r')
|
|
|
|
dkbasename++;
|
|
|
|
xxboot = np;
|
|
|
|
(void)sprintf(xxboot, "%s/%sboot",
|
|
|
|
_PATH_BOOTDIR, dkbasename);
|
|
|
|
np += strlen(xxboot) + 1;
|
|
|
|
}
|
|
|
|
#if NUMBOOT > 1
|
|
|
|
if (!bootxx) {
|
|
|
|
(void)sprintf(np, "%s/boot%s",
|
|
|
|
_PATH_BOOTDIR, dkbasename);
|
|
|
|
if (access(np, F_OK) < 0 && dkbasename[0] == 'r')
|
|
|
|
dkbasename++;
|
|
|
|
bootxx = np;
|
|
|
|
(void)sprintf(bootxx, "%s/boot%s",
|
|
|
|
_PATH_BOOTDIR, dkbasename);
|
|
|
|
np += strlen(bootxx) + 1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
if (debug)
|
|
|
|
fprintf(stderr, "bootstraps: xxboot = %s, bootxx = %s\n",
|
|
|
|
xxboot, bootxx ? bootxx : "NONE");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Strange rules:
|
|
|
|
* 1. One-piece bootstrap (hp300/hp800)
|
|
|
|
* up to d_bbsize bytes of ``xxboot'' go in bootarea, the rest
|
|
|
|
* is remembered and written later following the bootarea.
|
|
|
|
* 2. Two-piece bootstraps (vax/i386?/mips?)
|
|
|
|
* up to d_secsize bytes of ``xxboot'' go in first d_secsize
|
|
|
|
* bytes of bootarea, remaining d_bbsize-d_secsize filled
|
|
|
|
* from ``bootxx''.
|
|
|
|
*/
|
|
|
|
b = open(xxboot, O_RDONLY);
|
|
|
|
if (b < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1994-05-26 06:35:07 +00:00
|
|
|
#if NUMBOOT > 1
|
1996-02-03 21:14:09 +00:00
|
|
|
#ifdef __i386__
|
|
|
|
/*
|
|
|
|
* XXX Botch alert.
|
|
|
|
* The i386 has the so-called fdisk table embedded into the
|
|
|
|
* primary bootstrap. We take care to not clobber it, but
|
|
|
|
* only if it does already contain some data. (Otherwise,
|
|
|
|
* the xxboot provides a template.)
|
|
|
|
*/
|
|
|
|
if ((tmpbuf = (char *)malloc((int)dp->d_secsize)) == 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1996-02-03 21:14:09 +00:00
|
|
|
memcpy((void *)tmpbuf, (void *)boot, (int)dp->d_secsize);
|
|
|
|
#endif /* i386 */
|
1994-05-26 06:35:07 +00:00
|
|
|
if (read(b, boot, (int)dp->d_secsize) < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1994-05-26 06:35:07 +00:00
|
|
|
(void)close(b);
|
1996-02-03 21:14:09 +00:00
|
|
|
#ifdef __i386__
|
|
|
|
for (i = DOSPARTOFF, found = 0;
|
|
|
|
!found && i < DOSPARTOFF + NDOSPART*sizeof(struct dos_partition);
|
|
|
|
i++)
|
|
|
|
found = tmpbuf[i] != 0;
|
|
|
|
if (found)
|
|
|
|
memcpy((void *)&boot[DOSPARTOFF],
|
|
|
|
(void *)&tmpbuf[DOSPARTOFF],
|
|
|
|
NDOSPART * sizeof(struct dos_partition));
|
|
|
|
free(tmpbuf);
|
|
|
|
#endif /* i386 */
|
1994-05-26 06:35:07 +00:00
|
|
|
b = open(bootxx, O_RDONLY);
|
|
|
|
if (b < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", bootxx);
|
1996-01-21 23:55:47 +00:00
|
|
|
if (read(b, &boot[dp->d_secsize],
|
|
|
|
(int)(dp->d_bbsize-dp->d_secsize)) < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", bootxx);
|
1994-05-26 06:35:07 +00:00
|
|
|
#else
|
|
|
|
if (read(b, boot, (int)dp->d_bbsize) < 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1994-05-26 06:35:07 +00:00
|
|
|
(void)fstat(b, &sb);
|
|
|
|
bootsize = (int)sb.st_size - dp->d_bbsize;
|
|
|
|
if (bootsize > 0) {
|
|
|
|
/* XXX assume d_secsize is a power of two */
|
|
|
|
bootsize = (bootsize + dp->d_secsize-1) & ~(dp->d_secsize-1);
|
|
|
|
bootbuf = (char *)malloc((size_t)bootsize);
|
|
|
|
if (bootbuf == 0)
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1994-05-26 06:35:07 +00:00
|
|
|
if (read(b, bootbuf, bootsize) < 0) {
|
|
|
|
free(bootbuf);
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "%s", xxboot);
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
(void)close(b);
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
* Make sure no part of the bootstrap is written in the area
|
|
|
|
* reserved for the label.
|
|
|
|
*/
|
|
|
|
for (p = (char *)lp; p < (char *)lp + sizeof(struct disklabel); p++)
|
1998-06-04 06:49:13 +00:00
|
|
|
if (*p)
|
|
|
|
errx(2, "bootstrap doesn't leave room for disk label");
|
1994-05-26 06:35:07 +00:00
|
|
|
return (lp);
|
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
1994-05-26 06:35:07 +00:00
|
|
|
display(f, lp)
|
|
|
|
FILE *f;
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
|
|
|
|
register int i, j;
|
|
|
|
register struct partition *pp;
|
|
|
|
|
|
|
|
fprintf(f, "# %s:\n", specname);
|
|
|
|
if ((unsigned) lp->d_type < DKMAXTYPES)
|
|
|
|
fprintf(f, "type: %s\n", dktypenames[lp->d_type]);
|
|
|
|
else
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, "type: %u\n", lp->d_type);
|
1996-01-21 23:55:47 +00:00
|
|
|
fprintf(f, "disk: %.*s\n", (int)sizeof(lp->d_typename),
|
|
|
|
lp->d_typename);
|
|
|
|
fprintf(f, "label: %.*s\n", (int)sizeof(lp->d_packname),
|
|
|
|
lp->d_packname);
|
1994-05-26 06:35:07 +00:00
|
|
|
fprintf(f, "flags:");
|
|
|
|
if (lp->d_flags & D_REMOVABLE)
|
|
|
|
fprintf(f, " removeable");
|
|
|
|
if (lp->d_flags & D_ECC)
|
|
|
|
fprintf(f, " ecc");
|
|
|
|
if (lp->d_flags & D_BADSECT)
|
|
|
|
fprintf(f, " badsect");
|
|
|
|
fprintf(f, "\n");
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, "bytes/sector: %lu\n", (u_long)lp->d_secsize);
|
|
|
|
fprintf(f, "sectors/track: %lu\n", (u_long)lp->d_nsectors);
|
|
|
|
fprintf(f, "tracks/cylinder: %lu\n", (u_long)lp->d_ntracks);
|
|
|
|
fprintf(f, "sectors/cylinder: %lu\n", (u_long)lp->d_secpercyl);
|
|
|
|
fprintf(f, "cylinders: %lu\n", (u_long)lp->d_ncylinders);
|
|
|
|
fprintf(f, "sectors/unit: %lu\n", (u_long)lp->d_secperunit);
|
|
|
|
fprintf(f, "rpm: %u\n", lp->d_rpm);
|
|
|
|
fprintf(f, "interleave: %u\n", lp->d_interleave);
|
|
|
|
fprintf(f, "trackskew: %u\n", lp->d_trackskew);
|
|
|
|
fprintf(f, "cylinderskew: %u\n", lp->d_cylskew);
|
|
|
|
fprintf(f, "headswitch: %lu\t\t# milliseconds\n",
|
|
|
|
(u_long)lp->d_headswitch);
|
1996-01-21 23:55:47 +00:00
|
|
|
fprintf(f, "track-to-track seek: %ld\t# milliseconds\n",
|
1998-06-28 18:59:04 +00:00
|
|
|
(u_long)lp->d_trkseek);
|
1994-05-26 06:35:07 +00:00
|
|
|
fprintf(f, "drivedata: ");
|
|
|
|
for (i = NDDATA - 1; i >= 0; i--)
|
|
|
|
if (lp->d_drivedata[i])
|
|
|
|
break;
|
|
|
|
if (i < 0)
|
|
|
|
i = 0;
|
|
|
|
for (j = 0; j <= i; j++)
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, "%lu ", (u_long)lp->d_drivedata[j]);
|
|
|
|
fprintf(f, "\n\n%u partitions:\n", lp->d_npartitions);
|
1994-05-26 06:35:07 +00:00
|
|
|
fprintf(f,
|
1995-01-04 23:49:51 +00:00
|
|
|
"# size offset fstype [fsize bsize bps/cpg]\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
pp = lp->d_partitions;
|
|
|
|
for (i = 0; i < lp->d_npartitions; i++, pp++) {
|
|
|
|
if (pp->p_size) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, " %c: %8lu %8lu ", 'a' + i,
|
|
|
|
(u_long)pp->p_size, (u_long)pp->p_offset);
|
1994-05-26 06:35:07 +00:00
|
|
|
if ((unsigned) pp->p_fstype < FSMAXTYPES)
|
|
|
|
fprintf(f, "%8.8s", fstypenames[pp->p_fstype]);
|
|
|
|
else
|
|
|
|
fprintf(f, "%8d", pp->p_fstype);
|
|
|
|
switch (pp->p_fstype) {
|
|
|
|
|
|
|
|
case FS_UNUSED: /* XXX */
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, " %5lu %5lu %5.5s ",
|
|
|
|
(u_long)pp->p_fsize,
|
|
|
|
(u_long)(pp->p_fsize * pp->p_frag), "");
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case FS_BSDFFS:
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, " %5lu %5lu %5u ",
|
|
|
|
(u_long)pp->p_fsize,
|
|
|
|
(u_long)(pp->p_fsize * pp->p_frag),
|
1994-05-26 06:35:07 +00:00
|
|
|
pp->p_cpg);
|
|
|
|
break;
|
|
|
|
|
1995-01-04 23:49:51 +00:00
|
|
|
case FS_BSDLFS:
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, " %5lu %5lu %5d",
|
|
|
|
(u_long)pp->p_fsize,
|
|
|
|
(u_long)(pp->p_fsize * pp->p_frag),
|
1995-01-04 23:49:51 +00:00
|
|
|
pp->p_cpg);
|
|
|
|
break;
|
|
|
|
|
1994-05-26 06:35:07 +00:00
|
|
|
default:
|
|
|
|
fprintf(f, "%20.20s", "");
|
|
|
|
break;
|
|
|
|
}
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, "\t# (Cyl. %4lu",
|
|
|
|
(u_long)(pp->p_offset / lp->d_secpercyl));
|
1994-05-26 06:35:07 +00:00
|
|
|
if (pp->p_offset % lp->d_secpercyl)
|
|
|
|
putc('*', f);
|
|
|
|
else
|
|
|
|
putc(' ', f);
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(f, "- %lu",
|
|
|
|
(u_long)((pp->p_offset + pp->p_size +
|
|
|
|
lp->d_secpercyl - 1) /
|
|
|
|
lp->d_secpercyl - 1));
|
1994-05-26 06:35:07 +00:00
|
|
|
if (pp->p_size % lp->d_secpercyl)
|
|
|
|
putc('*', f);
|
|
|
|
fprintf(f, ")\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
fflush(f);
|
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
int
|
1994-05-26 06:35:07 +00:00
|
|
|
edit(lp, f)
|
|
|
|
struct disklabel *lp;
|
|
|
|
int f;
|
|
|
|
{
|
1997-03-24 05:44:28 +00:00
|
|
|
register int c, fd;
|
1994-05-26 06:35:07 +00:00
|
|
|
struct disklabel label;
|
1997-03-24 05:44:28 +00:00
|
|
|
FILE *fp;
|
1994-05-26 06:35:07 +00:00
|
|
|
|
1997-03-24 05:44:28 +00:00
|
|
|
if ((fd = mkstemp(tmpfil)) == -1 ||
|
|
|
|
(fp = fdopen(fd, "w")) == NULL) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warnx("can't create %s", tmpfil);
|
1994-05-26 06:35:07 +00:00
|
|
|
return (1);
|
|
|
|
}
|
1997-03-24 05:44:28 +00:00
|
|
|
display(fp, lp);
|
|
|
|
fclose(fp);
|
1994-05-26 06:35:07 +00:00
|
|
|
for (;;) {
|
|
|
|
if (!editit())
|
|
|
|
break;
|
1997-03-24 05:44:28 +00:00
|
|
|
fp = fopen(tmpfil, "r");
|
|
|
|
if (fp == NULL) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warnx("can't reopen %s for reading", tmpfil);
|
1994-05-26 06:35:07 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
bzero((char *)&label, sizeof(label));
|
1997-03-24 05:44:28 +00:00
|
|
|
if (getasciilabel(fp, &label)) {
|
1994-05-26 06:35:07 +00:00
|
|
|
*lp = label;
|
|
|
|
if (writelabel(f, bootarea, lp) == 0) {
|
1997-03-24 05:44:28 +00:00
|
|
|
fclose(fp);
|
1994-05-26 06:35:07 +00:00
|
|
|
(void) unlink(tmpfil);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
}
|
1997-03-24 05:44:28 +00:00
|
|
|
fclose(fp);
|
1994-05-26 06:35:07 +00:00
|
|
|
printf("re-edit the label? [y]: "); fflush(stdout);
|
|
|
|
c = getchar();
|
|
|
|
if (c != EOF && c != (int)'\n')
|
|
|
|
while (getchar() != (int)'\n')
|
|
|
|
;
|
|
|
|
if (c == (int)'n')
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
(void) unlink(tmpfil);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
int
|
1994-05-26 06:35:07 +00:00
|
|
|
editit()
|
|
|
|
{
|
|
|
|
register int pid, xpid;
|
|
|
|
int stat, omask;
|
|
|
|
extern char *getenv();
|
|
|
|
|
|
|
|
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
|
|
|
|
while ((pid = fork()) < 0) {
|
|
|
|
extern int errno;
|
|
|
|
|
|
|
|
if (errno == EPROCLIM) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warnx("you have too many processes");
|
1994-05-26 06:35:07 +00:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
if (errno != EAGAIN) {
|
1998-06-04 06:49:13 +00:00
|
|
|
warn("fork");
|
1994-05-26 06:35:07 +00:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
sleep(1);
|
|
|
|
}
|
|
|
|
if (pid == 0) {
|
|
|
|
register char *ed;
|
|
|
|
|
|
|
|
sigsetmask(omask);
|
|
|
|
setgid(getgid());
|
|
|
|
setuid(getuid());
|
|
|
|
if ((ed = getenv("EDITOR")) == (char *)0)
|
|
|
|
ed = DEFEDITOR;
|
|
|
|
execlp(ed, ed, tmpfil, 0);
|
1998-06-04 06:49:13 +00:00
|
|
|
err(1, "%s", ed);
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
while ((xpid = wait(&stat)) >= 0)
|
|
|
|
if (xpid == pid)
|
|
|
|
break;
|
|
|
|
sigsetmask(omask);
|
|
|
|
return(!stat);
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
|
|
|
skip(cp)
|
|
|
|
register char *cp;
|
|
|
|
{
|
|
|
|
|
|
|
|
while (*cp != '\0' && isspace(*cp))
|
|
|
|
cp++;
|
|
|
|
if (*cp == '\0' || *cp == '#')
|
|
|
|
return ((char *)NULL);
|
|
|
|
return (cp);
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
|
|
|
word(cp)
|
|
|
|
register char *cp;
|
|
|
|
{
|
|
|
|
register char c;
|
|
|
|
|
|
|
|
while (*cp != '\0' && !isspace(*cp) && *cp != '#')
|
|
|
|
cp++;
|
|
|
|
if ((c = *cp) != '\0') {
|
|
|
|
*cp++ = '\0';
|
|
|
|
if (c != '#')
|
|
|
|
return (skip(cp));
|
|
|
|
}
|
|
|
|
return ((char *)NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Read an ascii label in from fd f,
|
|
|
|
* in the same format as that put out by display(),
|
|
|
|
* and fill in lp.
|
|
|
|
*/
|
1996-01-21 23:55:47 +00:00
|
|
|
int
|
1994-05-26 06:35:07 +00:00
|
|
|
getasciilabel(f, lp)
|
|
|
|
FILE *f;
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
|
|
|
|
register char **cpp, *cp;
|
|
|
|
register struct partition *pp;
|
|
|
|
char *tp, *s, line[BUFSIZ];
|
|
|
|
int v, lineno = 0, errors = 0;
|
|
|
|
|
|
|
|
lp->d_bbsize = BBSIZE; /* XXX */
|
|
|
|
lp->d_sbsize = SBSIZE; /* XXX */
|
|
|
|
while (fgets(line, sizeof(line) - 1, f)) {
|
|
|
|
lineno++;
|
1996-01-21 23:55:47 +00:00
|
|
|
if ((cp = index(line,'\n')) != 0)
|
1994-05-26 06:35:07 +00:00
|
|
|
*cp = '\0';
|
|
|
|
cp = skip(line);
|
|
|
|
if (cp == NULL)
|
|
|
|
continue;
|
|
|
|
tp = index(cp, ':');
|
|
|
|
if (tp == NULL) {
|
|
|
|
fprintf(stderr, "line %d: syntax error\n", lineno);
|
|
|
|
errors++;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
*tp++ = '\0', tp = skip(tp);
|
|
|
|
if (streq(cp, "type")) {
|
|
|
|
if (tp == NULL)
|
|
|
|
tp = "unknown";
|
|
|
|
cpp = dktypenames;
|
|
|
|
for (; cpp < &dktypenames[DKMAXTYPES]; cpp++)
|
|
|
|
if ((s = *cpp) && streq(s, tp)) {
|
|
|
|
lp->d_type = cpp - dktypenames;
|
|
|
|
goto next;
|
|
|
|
}
|
|
|
|
v = atoi(tp);
|
|
|
|
if ((unsigned)v >= DKMAXTYPES)
|
|
|
|
fprintf(stderr, "line %d:%s %d\n", lineno,
|
|
|
|
"Warning, unknown disk type", v);
|
|
|
|
lp->d_type = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "flags")) {
|
|
|
|
for (v = 0; (cp = tp) && *cp != '\0';) {
|
|
|
|
tp = word(cp);
|
|
|
|
if (streq(cp, "removeable"))
|
|
|
|
v |= D_REMOVABLE;
|
|
|
|
else if (streq(cp, "ecc"))
|
|
|
|
v |= D_ECC;
|
|
|
|
else if (streq(cp, "badsect"))
|
|
|
|
v |= D_BADSECT;
|
|
|
|
else {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: %s: bad flag\n",
|
|
|
|
lineno, cp);
|
|
|
|
errors++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
lp->d_flags = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "drivedata")) {
|
|
|
|
register int i;
|
|
|
|
|
|
|
|
for (i = 0; (cp = tp) && *cp != '\0' && i < NDDATA;) {
|
|
|
|
lp->d_drivedata[i++] = atoi(cp);
|
|
|
|
tp = word(cp);
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (sscanf(cp, "%d partitions", &v) == 1) {
|
|
|
|
if (v == 0 || (unsigned)v > MAXPARTITIONS) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: bad # of partitions\n", lineno);
|
|
|
|
lp->d_npartitions = MAXPARTITIONS;
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_npartitions = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (tp == NULL)
|
|
|
|
tp = "";
|
|
|
|
if (streq(cp, "disk")) {
|
|
|
|
strncpy(lp->d_typename, tp, sizeof (lp->d_typename));
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "label")) {
|
|
|
|
strncpy(lp->d_packname, tp, sizeof (lp->d_packname));
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "bytes/sector")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0 || (v % 512) != 0) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: %s: bad sector size\n",
|
|
|
|
lineno, tp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_secsize = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "sectors/track")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_nsectors = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "sectors/cylinder")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_secpercyl = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "tracks/cylinder")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_ntracks = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "cylinders")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_ncylinders = v;
|
|
|
|
continue;
|
|
|
|
}
|
1995-02-22 23:21:29 +00:00
|
|
|
if (streq(cp, "sectors/unit")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_secperunit = v;
|
|
|
|
continue;
|
|
|
|
}
|
1994-05-26 06:35:07 +00:00
|
|
|
if (streq(cp, "rpm")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_rpm = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "interleave")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v <= 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_interleave = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "trackskew")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_trackskew = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "cylinderskew")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_cylskew = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "headswitch")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_headswitch = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (streq(cp, "track-to-track seek")) {
|
|
|
|
v = atoi(tp);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr, "line %d: %s: bad %s\n",
|
|
|
|
lineno, tp, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
lp->d_trkseek = v;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if ('a' <= *cp && *cp <= 'z' && cp[1] == '\0') {
|
|
|
|
unsigned part = *cp - 'a';
|
|
|
|
|
|
|
|
if (part > lp->d_npartitions) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: bad partition name\n", lineno);
|
|
|
|
errors++;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
pp = &lp->d_partitions[part];
|
|
|
|
#define NXTNUM(n) { \
|
1994-09-26 04:45:11 +00:00
|
|
|
if (tp == NULL) { \
|
|
|
|
fprintf(stderr, "line %d: too few numeric fields\n", lineno); \
|
|
|
|
errors++; \
|
|
|
|
break; \
|
|
|
|
} else { \
|
|
|
|
cp = tp, tp = word(cp); \
|
|
|
|
if (tp == NULL) \
|
|
|
|
tp = cp; \
|
|
|
|
(n) = atoi(cp); \
|
|
|
|
} \
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NXTNUM(v);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: %s: bad partition size\n",
|
|
|
|
lineno, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
pp->p_size = v;
|
|
|
|
NXTNUM(v);
|
|
|
|
if (v < 0) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"line %d: %s: bad partition offset\n",
|
|
|
|
lineno, cp);
|
|
|
|
errors++;
|
|
|
|
} else
|
|
|
|
pp->p_offset = v;
|
|
|
|
cp = tp, tp = word(cp);
|
|
|
|
cpp = fstypenames;
|
|
|
|
for (; cpp < &fstypenames[FSMAXTYPES]; cpp++)
|
|
|
|
if ((s = *cpp) && streq(s, cp)) {
|
|
|
|
pp->p_fstype = cpp - fstypenames;
|
|
|
|
goto gottype;
|
|
|
|
}
|
|
|
|
if (isdigit(*cp))
|
|
|
|
v = atoi(cp);
|
|
|
|
else
|
|
|
|
v = FSMAXTYPES;
|
|
|
|
if ((unsigned)v >= FSMAXTYPES) {
|
|
|
|
fprintf(stderr, "line %d: %s %s\n", lineno,
|
|
|
|
"Warning, unknown filesystem type", cp);
|
|
|
|
v = FS_UNUSED;
|
|
|
|
}
|
|
|
|
pp->p_fstype = v;
|
|
|
|
gottype:
|
|
|
|
|
|
|
|
switch (pp->p_fstype) {
|
|
|
|
|
|
|
|
case FS_UNUSED: /* XXX */
|
|
|
|
NXTNUM(pp->p_fsize);
|
|
|
|
if (pp->p_fsize == 0)
|
|
|
|
break;
|
|
|
|
NXTNUM(v);
|
|
|
|
pp->p_frag = v / pp->p_fsize;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case FS_BSDFFS:
|
|
|
|
NXTNUM(pp->p_fsize);
|
|
|
|
if (pp->p_fsize == 0)
|
|
|
|
break;
|
|
|
|
NXTNUM(v);
|
|
|
|
pp->p_frag = v / pp->p_fsize;
|
|
|
|
NXTNUM(pp->p_cpg);
|
|
|
|
break;
|
|
|
|
|
1995-01-04 23:49:51 +00:00
|
|
|
case FS_BSDLFS:
|
|
|
|
NXTNUM(pp->p_fsize);
|
|
|
|
if (pp->p_fsize == 0)
|
|
|
|
break;
|
|
|
|
NXTNUM(v);
|
|
|
|
pp->p_frag = v / pp->p_fsize;
|
|
|
|
NXTNUM(pp->p_cpg);
|
|
|
|
break;
|
|
|
|
|
1994-05-26 06:35:07 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
fprintf(stderr, "line %d: %s: Unknown disklabel field\n",
|
|
|
|
lineno, cp);
|
|
|
|
errors++;
|
|
|
|
next:
|
|
|
|
;
|
|
|
|
}
|
|
|
|
errors += checklabel(lp);
|
|
|
|
return (errors == 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check disklabel for errors and fill in
|
|
|
|
* derived fields according to supplied values.
|
|
|
|
*/
|
1996-01-21 23:55:47 +00:00
|
|
|
int
|
1994-05-26 06:35:07 +00:00
|
|
|
checklabel(lp)
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
|
|
|
|
register struct partition *pp;
|
|
|
|
int i, errors = 0;
|
|
|
|
char part;
|
|
|
|
|
|
|
|
if (lp->d_secsize == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "sector size 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
if (lp->d_nsectors == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "sectors/track 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
if (lp->d_ntracks == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "tracks/cylinder 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
if (lp->d_ncylinders == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "cylinders/unit 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
errors++;
|
|
|
|
}
|
|
|
|
if (lp->d_rpm == 0)
|
1998-06-28 18:59:04 +00:00
|
|
|
Warning("revolutions/minute 0");
|
1994-05-26 06:35:07 +00:00
|
|
|
if (lp->d_secpercyl == 0)
|
|
|
|
lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks;
|
|
|
|
if (lp->d_secperunit == 0)
|
|
|
|
lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders;
|
|
|
|
if (lp->d_bbsize == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "boot block size 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
errors++;
|
|
|
|
} else if (lp->d_bbsize % lp->d_secsize)
|
|
|
|
Warning("boot block size %% sector-size != 0");
|
|
|
|
if (lp->d_sbsize == 0) {
|
1998-06-28 18:59:04 +00:00
|
|
|
fprintf(stderr, "super block size 0\n");
|
1994-05-26 06:35:07 +00:00
|
|
|
errors++;
|
|
|
|
} else if (lp->d_sbsize % lp->d_secsize)
|
|
|
|
Warning("super block size %% sector-size != 0");
|
|
|
|
if (lp->d_npartitions > MAXPARTITIONS)
|
1998-06-28 18:59:04 +00:00
|
|
|
Warning("number of partitions (%lu) > MAXPARTITIONS (%d)",
|
|
|
|
(u_long)lp->d_npartitions, MAXPARTITIONS);
|
1994-05-26 06:35:07 +00:00
|
|
|
for (i = 0; i < lp->d_npartitions; i++) {
|
|
|
|
part = 'a' + i;
|
|
|
|
pp = &lp->d_partitions[i];
|
|
|
|
if (pp->p_size == 0 && pp->p_offset != 0)
|
1998-06-28 18:59:04 +00:00
|
|
|
Warning("partition %c: size 0, but offset %lu",
|
|
|
|
part, (u_long)pp->p_offset);
|
1994-05-26 06:35:07 +00:00
|
|
|
#ifdef notdef
|
|
|
|
if (pp->p_size % lp->d_secpercyl)
|
|
|
|
Warning("partition %c: size %% cylinder-size != 0",
|
|
|
|
part);
|
|
|
|
if (pp->p_offset % lp->d_secpercyl)
|
|
|
|
Warning("partition %c: offset %% cylinder-size != 0",
|
|
|
|
part);
|
|
|
|
#endif
|
|
|
|
if (pp->p_offset > lp->d_secperunit) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"partition %c: offset past end of unit\n", part);
|
|
|
|
errors++;
|
|
|
|
}
|
|
|
|
if (pp->p_offset + pp->p_size > lp->d_secperunit) {
|
|
|
|
fprintf(stderr,
|
1996-01-21 23:55:47 +00:00
|
|
|
"partition %c: partition extends past end of unit\n",
|
1994-05-26 06:35:07 +00:00
|
|
|
part);
|
|
|
|
errors++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (; i < MAXPARTITIONS; i++) {
|
|
|
|
part = 'a' + i;
|
|
|
|
pp = &lp->d_partitions[i];
|
|
|
|
if (pp->p_size || pp->p_offset)
|
1998-06-28 18:59:04 +00:00
|
|
|
Warning("unused partition %c: size %d offset %lu",
|
|
|
|
'a' + i, pp->p_size, (u_long)pp->p_offset);
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
return (errors);
|
|
|
|
}
|
|
|
|
|
1996-01-22 01:01:15 +00:00
|
|
|
/*
|
|
|
|
* When operating on a "virgin" disk, try getting an initial label
|
|
|
|
* from the associated device driver. This might work for all device
|
|
|
|
* drivers that are able to fetch some initial device parameters
|
|
|
|
* without even having access to a (BSD) disklabel, like SCSI disks,
|
|
|
|
* most IDE drives, or vn devices.
|
|
|
|
*
|
|
|
|
* The device name must be given in its "canonical" form.
|
|
|
|
*/
|
|
|
|
struct disklabel *
|
|
|
|
getvirginlabel(void)
|
|
|
|
{
|
|
|
|
static struct disklabel lab;
|
|
|
|
char namebuf[BBSIZE];
|
|
|
|
int f;
|
|
|
|
|
|
|
|
if (dkname[0] == '/') {
|
|
|
|
fprintf(stderr,
|
|
|
|
"\"auto\" requires the usage of a canonical disk name.\n");
|
1996-06-17 14:43:54 +00:00
|
|
|
return (NULL);
|
1996-01-22 01:01:15 +00:00
|
|
|
}
|
|
|
|
(void)snprintf(namebuf, BBSIZE, "%sr%s", _PATH_DEV, dkname);
|
|
|
|
if ((f = open(namebuf, O_RDONLY, 0)) == -1) {
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "open()");
|
1996-06-17 14:43:54 +00:00
|
|
|
return (NULL);
|
1996-01-22 01:01:15 +00:00
|
|
|
}
|
|
|
|
if (ioctl(f, DIOCGDINFO, &lab) < 0) {
|
1997-06-10 11:08:53 +00:00
|
|
|
err(4, "ioctl DIOCGDINFO");
|
1996-01-22 01:01:15 +00:00
|
|
|
close(f);
|
1996-06-17 14:43:54 +00:00
|
|
|
return (NULL);
|
1996-01-22 01:01:15 +00:00
|
|
|
}
|
|
|
|
close(f);
|
1996-06-17 14:43:54 +00:00
|
|
|
return (&lab);
|
1996-01-22 01:01:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
1994-05-26 06:35:07 +00:00
|
|
|
/*
|
|
|
|
* If we are installing a boot program that doesn't fit in d_bbsize
|
|
|
|
* we need to mark those partitions that the boot overflows into.
|
|
|
|
* This allows newfs to prevent creation of a filesystem where it might
|
|
|
|
* clobber bootstrap code.
|
|
|
|
*/
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
1994-05-26 06:35:07 +00:00
|
|
|
setbootflag(lp)
|
|
|
|
register struct disklabel *lp;
|
|
|
|
{
|
|
|
|
register struct partition *pp;
|
|
|
|
int i, errors = 0;
|
|
|
|
char part;
|
|
|
|
u_long boffset;
|
|
|
|
|
|
|
|
if (bootbuf == 0)
|
|
|
|
return;
|
|
|
|
boffset = bootsize / lp->d_secsize;
|
|
|
|
for (i = 0; i < lp->d_npartitions; i++) {
|
|
|
|
part = 'a' + i;
|
|
|
|
pp = &lp->d_partitions[i];
|
|
|
|
if (pp->p_size == 0)
|
|
|
|
continue;
|
|
|
|
if (boffset <= pp->p_offset) {
|
|
|
|
if (pp->p_fstype == FS_BOOT)
|
|
|
|
pp->p_fstype = FS_UNUSED;
|
|
|
|
} else if (pp->p_fstype != FS_BOOT) {
|
|
|
|
if (pp->p_fstype != FS_UNUSED) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"boot overlaps used partition %c\n",
|
|
|
|
part);
|
|
|
|
errors++;
|
|
|
|
} else {
|
|
|
|
pp->p_fstype = FS_BOOT;
|
|
|
|
Warning("boot overlaps partition %c, %s",
|
|
|
|
part, "marked as FS_BOOT");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
1998-06-04 06:49:13 +00:00
|
|
|
if (errors)
|
|
|
|
errx(4, "cannot install boot program");
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*VARARGS1*/
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
|
|
|
Warning(char *fmt, ...)
|
1994-05-26 06:35:07 +00:00
|
|
|
{
|
1996-01-21 23:55:47 +00:00
|
|
|
va_list ap;
|
1994-05-26 06:35:07 +00:00
|
|
|
|
|
|
|
fprintf(stderr, "Warning, ");
|
1996-01-21 23:55:47 +00:00
|
|
|
va_start(ap, fmt);
|
|
|
|
vfprintf(stderr, fmt, ap);
|
1994-05-26 06:35:07 +00:00
|
|
|
fprintf(stderr, "\n");
|
1996-01-21 23:55:47 +00:00
|
|
|
va_end(ap);
|
1994-05-26 06:35:07 +00:00
|
|
|
}
|
|
|
|
|
1996-01-21 23:55:47 +00:00
|
|
|
void
|
1994-05-26 06:35:07 +00:00
|
|
|
usage()
|
|
|
|
{
|
|
|
|
#if NUMBOOT > 0
|
1997-06-10 11:08:53 +00:00
|
|
|
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
|
|
|
|
"usage: disklabel [-r] disk",
|
|
|
|
"\t\t(to read label)",
|
|
|
|
" disklabel -w [-r] disk type [ packid ]",
|
|
|
|
"\t\t(to write label with existing boot program)",
|
|
|
|
" disklabel -e [-r] disk",
|
|
|
|
"\t\t(to edit label)",
|
|
|
|
" disklabel -R [-r] disk protofile",
|
|
|
|
"\t\t(to restore label with existing boot program)",
|
1994-05-26 06:35:07 +00:00
|
|
|
#if NUMBOOT > 1
|
1997-06-10 11:08:53 +00:00
|
|
|
" disklabel -B [ -b boot1 [ -s boot2 ] ] disk [ type ]",
|
|
|
|
"\t\t(to install boot program with existing label)",
|
|
|
|
" disklabel -w -B [ -b boot1 [ -s boot2 ] ] disk type [ packid ]",
|
|
|
|
"\t\t(to write label and boot program)",
|
|
|
|
" disklabel -R -B [ -b boot1 [ -s boot2 ] ] disk protofile [ type ]",
|
|
|
|
"\t\t(to restore label and boot program)",
|
1994-05-26 06:35:07 +00:00
|
|
|
#else
|
1997-06-10 11:08:53 +00:00
|
|
|
" disklabel -B [ -b bootprog ] disk [ type ]",
|
|
|
|
"\t\t(to install boot program with existing on-disk label)",
|
|
|
|
" disklabel -w -B [ -b bootprog ] disk type [ packid ]",
|
|
|
|
"\t\t(to write label and install boot program)",
|
|
|
|
" disklabel -R -B [ -b bootprog ] disk protofile [ type ]",
|
|
|
|
"\t\t(to restore label and install boot program)",
|
1994-05-26 06:35:07 +00:00
|
|
|
#endif
|
1997-06-10 11:08:53 +00:00
|
|
|
" disklabel [-NW] disk",
|
|
|
|
"\t\t(to write disable/enable label)");
|
1994-05-26 06:35:07 +00:00
|
|
|
#else
|
1997-06-10 11:08:53 +00:00
|
|
|
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
|
|
|
|
"usage: disklabel [-r] disk", "(to read label)",
|
|
|
|
" disklabel -w [-r] disk type [ packid ]",
|
|
|
|
"\t\t(to write label)",
|
|
|
|
" disklabel -e [-r] disk",
|
|
|
|
"\t\t(to edit label)",
|
|
|
|
" disklabel -R [-r] disk protofile",
|
|
|
|
"\t\t(to restore label)",
|
|
|
|
" disklabel [-NW] disk",
|
|
|
|
"\t\t(to write disable/enable label)");
|
1994-05-26 06:35:07 +00:00
|
|
|
#endif
|
|
|
|
exit(1);
|
|
|
|
}
|