043e812b52
Early during new installs or after upgrades we check if entropy is available. If not (no hardware random number generator available) we inform the user and ask them to fix it.
254 lines
6.3 KiB
C
254 lines
6.3 KiB
C
/* $NetBSD: install.c,v 1.20 2020/11/04 14:29:40 martin Exp $ */
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/*
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* Copyright 1997 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Written by Philip A. Nelson for Piermont Information Systems Inc.
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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. The name of Piermont Information Systems Inc. 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 PIERMONT INFORMATION SYSTEMS INC. ``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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/* install.c -- system installation. */
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#include <sys/param.h>
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#include <stdio.h>
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#include <curses.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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/*
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* helper function: call the md pre/post disklabel callback for all involved
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* inner partitions and write them back.
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* return net result
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*/
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static bool
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write_all_parts(struct install_partition_desc *install)
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{
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struct disk_partitions **allparts, *parts;
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#ifndef NO_CLONES
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struct selected_partition *src;
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#endif
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size_t num_parts, i, j;
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bool found, res;
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/* pessimistic assumption: all partitions on different devices */
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allparts = calloc(install->num + install->num_write_back,
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sizeof(*allparts));
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if (allparts == NULL)
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return false;
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/* collect all different partition sets */
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num_parts = 0;
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for (i = 0; i < install->num_write_back; i++) {
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parts = install->write_back[i];
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if (parts == NULL)
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continue;
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found = false;
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for (j = 0; j < num_parts; j++) {
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if (allparts[j] == parts) {
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found = true;
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break;
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}
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}
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if (found)
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continue;
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allparts[num_parts++] = parts;
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}
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for (i = 0; i < install->num; i++) {
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parts = install->infos[i].parts;
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if (parts == NULL)
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continue;
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found = false;
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for (j = 0; j < num_parts; j++) {
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if (allparts[j] == parts) {
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found = true;
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break;
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}
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}
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if (found)
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continue;
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allparts[num_parts++] = parts;
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}
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/* do multiple phases, abort anytime and go out, returning res */
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res = true;
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/* phase 1: pre disklabel - used to write MBR and similar */
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for (i = 0; i < num_parts; i++) {
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if (!md_pre_disklabel(install, allparts[i])) {
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res = false;
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goto out;
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}
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}
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/* phase 2: write our partitions (used to be: disklabel) */
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for (i = 0; i < num_parts; i++) {
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if (!allparts[i]->pscheme->write_to_disk(allparts[i])) {
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res = false;
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goto out;
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}
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}
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/* phase 3: now we may have a first chance to enable swap space */
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set_swap_if_low_ram(install);
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#ifndef NO_CLONES
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/* phase 4: copy any cloned partitions data (if requested) */
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for (i = 0; i < install->num; i++) {
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if ((install->infos[i].flags & PUIFLG_CLONE_PARTS) == 0
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|| install->infos[i].clone_src == NULL
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|| !install->infos[i].clone_src->with_data)
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continue;
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src = &install->infos[i].clone_src
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->selection[install->infos[i].clone_ndx];
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clone_partition_data(install->infos[i].parts,
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install->infos[i].cur_part_id,
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src->parts, src->id);
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}
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#endif
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/* phase 5: post disklabel (used for updating boot loaders) */
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for (i = 0; i < num_parts; i++) {
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if (!md_post_disklabel(install, allparts[i])) {
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res = false;
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goto out;
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}
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}
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out:
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free(allparts);
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return res;
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}
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/* Do the system install. */
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void
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do_install(void)
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{
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int find_disks_ret;
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int retcode = 0, res;
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struct install_partition_desc install = {};
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#ifndef NO_PARTMAN
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partman_go = -1;
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#else
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partman_go = 0;
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#endif
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#ifndef DEBUG
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msg_display(MSG_installusure);
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if (!ask_noyes(NULL))
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return;
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#endif
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#ifdef CHECK_ENTROPY
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if (!do_check_entropy()) {
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hit_enter_to_continue(MSG_abort_installation, NULL);
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return;
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}
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#endif
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memset(&install, 0, sizeof install);
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/* Create and mount partitions */
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find_disks_ret = find_disks(msg_string(MSG_install), false);
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if (partman_go == 1) {
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if (partman() < 0) {
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hit_enter_to_continue(MSG_abort_part, NULL);
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return;
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}
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} else if (find_disks_ret < 0)
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return;
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else {
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/* Classical partitioning wizard */
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partman_go = 0;
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clear();
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refresh();
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if (check_swap(pm->diskdev, 0) > 0) {
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hit_enter_to_continue(MSG_swapactive, NULL);
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if (check_swap(pm->diskdev, 1) < 0) {
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hit_enter_to_continue(MSG_swapdelfailed, NULL);
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if (!debug)
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return;
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}
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}
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for (;;) {
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if (md_get_info(&install)) {
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res = md_make_bsd_partitions(&install);
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if (res == -1) {
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pm->parts = NULL;
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continue;
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} else if (res == 1) {
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break;
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}
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}
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hit_enter_to_continue(MSG_abort_inst, NULL);
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goto error;
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}
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/* Last chance ... do you really want to do this? */
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clear();
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refresh();
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msg_fmt_display(MSG_lastchance, "%s", pm->diskdev);
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if (!ask_noyes(NULL))
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goto error;
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if ((!pm->no_part && !write_all_parts(&install)) ||
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make_filesystems(&install) ||
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make_fstab(&install) != 0 ||
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md_post_newfs(&install) != 0)
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goto error;
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}
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/* Unpack the distribution. */
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process_menu(MENU_distset, &retcode);
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if (retcode == 0)
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goto error;
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if (get_and_unpack_sets(0, MSG_disksetupdone,
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MSG_extractcomplete, MSG_abortinst) != 0)
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goto error;
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if (md_post_extract(&install) != 0)
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goto error;
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do_configmenu(&install);
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sanity_check();
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md_cleanup_install(&install);
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hit_enter_to_continue(MSG_instcomplete, NULL);
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error:
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free_install_desc(&install);
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}
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