139 lines
4.7 KiB
C
139 lines
4.7 KiB
C
/* $NetBSD: savenewlabel.c,v 1.4 2016/01/26 14:08:58 martin Exp $ */
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/*
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* Copyright 1997 Jonathan Stone
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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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* 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 for the NetBSD Project by
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* Jonathan Stone.
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* 4. The name of Jonathan Stone may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JONATHAN STONE ``AS IS''
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* AND 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 PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: savenewlabel.c,v 1.4 2016/01/26 14:08:58 martin Exp $");
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#endif
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#include <sys/types.h>
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#include <errno.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <util.h>
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#include <unistd.h>
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#include <sys/dkio.h>
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#include <sys/ioctl.h>
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#include "defs.h"
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#include "msg_defs.h"
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#include "menu_defs.h"
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int
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/*ARGSUSED*/
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savenewlabel(partinfo *lp, int nparts)
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{
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FILE *f;
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char *f_name = malloc(STRSIZE * sizeof(char));
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char *sane_packname, *p;
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int i;
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pm_devs_t *pm_i;
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/* Check names collision */
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if (partman_go)
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SLIST_FOREACH(pm_i, &pm_head, l)
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for (i = 'a'; pm_i != pm && i < 'z' &&
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! strcmp(pm_i->bsddiskname, pm->bsddiskname); i++) {
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if (strlen(pm_i->bsddiskname) > 0)
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pm_i->bsddiskname[strlen(pm_i->bsddiskname)-1] = i;
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else
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snprintf(pm_i->bsddiskname, DISKNAME_SIZE, "disk %c", i);
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}
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sane_packname = strdup(pm->bsddiskname);
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for (p = sane_packname; *p; p++)
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if (*p == '/')
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*p = ' ';
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snprintf(f_name, STRSIZE, "/tmp/disktab.%s", sane_packname);
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free(sane_packname);
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/*
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N.B. disklabels only support up to 2TB (32-bit field for sectors).
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This function explicitly narrows from daddr_t (64-bit unsigned) to
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uint32_t when writing the disklabel.
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*/
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/* Create /etc/disktab */
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f = fopen(f_name, "w");
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if (logfp)
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(void)fprintf(logfp, "Creating disklabel %s in %s\n", pm->bsddiskname,
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f_name);
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scripting_fprintf(NULL, "cat <<EOF >>/etc/disktab\n");
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if (f == NULL) {
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endwin();
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(void)fprintf(stderr, "Could not open %s for writing\n", f_name);
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if (logfp)
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(void)fprintf(logfp, "Could not open %s for writing\n", f_name);
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exit (1);
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}
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scripting_fprintf(f, "%s|NetBSD installation generated:\\\n", pm->bsddiskname);
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scripting_fprintf(f, "\t:dt=%s:ty=winchester:\\\n", pm->disktype);
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scripting_fprintf(f, "\t:nc#%d:nt#%d:ns#%d:\\\n", pm->dlcyl, pm->dlhead, pm->dlsec);
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scripting_fprintf(f, "\t:sc#%d:su#%" PRIu32 ":\\\n", pm->dlhead*pm->dlsec,
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(uint32_t)pm->dlsize);
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scripting_fprintf(f, "\t:se#%d:%s\\\n", pm->sectorsize, pm->doessf);
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if ((size_t)nparts > __arraycount(pm->bsdlabel)) {
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nparts = __arraycount(pm->bsdlabel);
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if (logfp)
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(void)fprintf(logfp, "nparts limited to %d.\n", nparts);
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}
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for (i = 0; i < nparts; i++) {
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scripting_fprintf(f, "\t:p%c#%" PRIu32 ":o%c#%" PRIu32
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":t%c=%s:", 'a'+i, (uint32_t)lp[i].pi_size,
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'a'+i, (uint32_t)lp[i].pi_offset, 'a'+i,
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getfslabelname(lp[i].pi_fstype));
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if (PI_ISBSDFS(&lp[i]))
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scripting_fprintf (f, "b%c#%" PRIu32 ":f%c#%" PRIu32
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":", 'a'+i,
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(uint32_t)(lp[i].pi_fsize *
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lp[i].pi_frag),
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'a'+i, (uint32_t)lp[i].pi_fsize);
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if (i < nparts - 1)
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scripting_fprintf(f, "\\\n");
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else
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scripting_fprintf(f, "\n");
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}
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fclose (f);
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scripting_fprintf(NULL, "EOF\n");
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fflush(NULL);
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run_program(0, "sh -c 'cat /tmp/disktab.* >/tmp/disktab'");
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free(f_name);
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return(0);
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}
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