distrib/utils/sysinst/savenewlabel.c

   1 /*      $NetBSD: savenewlabel.c,v 1.6 2009/05/14 16:23:38 sborrill Exp $        */
   2
   3 /*
   4  * Copyright 1997 Jonathan Stone
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed for the NetBSD Project by
  18  *      Jonathan Stone.
  19  * 4. The name of Jonathan Stone may not be used to endorse
  20  *    or promote products derived from this software without specific prior
  21  *    written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY JONATHAN STONE ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  33  * THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <sys/cdefs.h>
  38 #if defined(LIBC_SCCS) && !defined(lint)
  39 __RCSID("$NetBSD: savenewlabel.c,v 1.6 2009/05/14 16:23:38 sborrill Exp $");
  40 #endif
  41
  42 #include <sys/types.h>
  43 #include <errno.h>
  44 #include <stdio.h>
  45 #include <fcntl.h>
  46 #include <inttypes.h>
  47 #include <util.h>
  48 #include <unistd.h>
  49 #include <sys/dkio.h>
  50 #include <sys/ioctl.h>
  51
  52 #include "defs.h"
  53 #include "msg_defs.h"
  54 #include "menu_defs.h"
  55
  56 int
  57 /*ARGSUSED*/
  58 savenewlabel(partinfo *lp, int nparts)
  59 {
  60         FILE *f;
  61         int i;
  62
  63         /*
  64           N.B. disklabels only support up to 2TB (32-bit field for sectors).
  65           This function explicitly narrows from daddr_t (64-bit unsigned) to
  66           uint32_t when writing the disklabel.
  67          */
  68
  69         /* Create /etc/disktab */
  70         f = fopen("/tmp/disktab", "w");
  71         if (logging)
  72                 (void)fprintf(logfp, "Creating disklabel %s\n", bsddiskname);
  73         scripting_fprintf(NULL, "cat <<EOF >>/etc/disktab\n");
  74         if (f == NULL) {
  75                 endwin();
  76                 (void)fprintf(stderr, "Could not open /etc/disktab");
  77                 if (logging)
  78                         (void)fprintf(logfp,
  79                             "Failed to open /etc/diskabel for appending.\n");
  80                 exit (1);
  81         }
  82         scripting_fprintf(f, "%s|NetBSD installation generated:\\\n", bsddiskname);
  83         scripting_fprintf(f, "\t:dt=%s:ty=winchester:\\\n", disktype);
  84         scripting_fprintf(f, "\t:nc#%d:nt#%d:ns#%d:\\\n", dlcyl, dlhead, dlsec);
  85         scripting_fprintf(f, "\t:sc#%d:su#%" PRIu32 ":\\\n", dlhead*dlsec,
  86             (uint32_t)dlsize);
  87         scripting_fprintf(f, "\t:se#%d:%s\\\n", sectorsize, doessf);
  88         for (i = 0; i < nparts; i++) {
  89                 scripting_fprintf(f, "\t:p%c#%" PRIu32 ":o%c#%" PRIu32 ":t%c=%s:",
  90                     'a'+i, (uint32_t)bsdlabel[i].pi_size,
  91                     'a'+i, (uint32_t)bsdlabel[i].pi_offset,
  92                     'a'+i, fstypenames[bsdlabel[i].pi_fstype]);
  93                 if (PI_ISBSDFS(&bsdlabel[i]))
  94                         scripting_fprintf (f, "b%c#%" PRIu32 ":f%c#%" PRIu32 ":ta=4.2BSD:",
  95                            'a'+i, (uint32_t)(bsdlabel[i].pi_fsize * bsdlabel[i].pi_frag),
  96                            'a'+i, (uint32_t)bsdlabel[i].pi_fsize);
  97
  98                 if (i < nparts - 1)
  99                         scripting_fprintf(f, "\\\n");
 100                 else
 101                         scripting_fprintf(f, "\n");
 102         }
 103         fclose (f);
 104         scripting_fprintf(NULL, "EOF\n");
 105         fflush(NULL);
 106         return(0);
 107 }