7039ce193f
and installing via such devices from sysinstall. Reviewed by: randi Approved by: rrs (mentor) MFC after: 1 month
150 lines
4.5 KiB
C
150 lines
4.5 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated to essentially a complete rewrite.
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*
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* $FreeBSD$
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*
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* Copyright (c) 1995
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* Jordan Hubbard. 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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* verbatim and that no modifications are made prior to this
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* point in the file.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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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*/
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/* These routines deal with getting things off of network media */
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#include "sysinstall.h"
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#include <signal.h>
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#include <termios.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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static Boolean networkInitialized;
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Boolean
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mediaInitNetwork(Device *dev)
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{
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int i;
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char *rp;
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char *cp, ifconfig[255];
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WINDOW *w;
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if (!RunningAsInit || networkInitialized)
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return TRUE;
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if (isDebug())
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msgDebug("Init routine called for network device %s.\n", dev->name);
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if (!file_readable("/etc/resolv.conf")) {
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if (DITEM_STATUS(configResolv(NULL)) == DITEM_FAILURE) {
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msgConfirm("Can't seem to write out /etc/resolv.conf. Net cannot be used.");
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return FALSE;
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}
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}
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w = savescr();
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dialog_clear_norefresh();
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snprintf(ifconfig, 255, "%s%s", VAR_IFCONFIG, dev->name);
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cp = variable_get(ifconfig);
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if (cp) {
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/*
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* If this interface isn't a DHCP one, bring it up.
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* If it is, then it's already up.
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*/
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if (strstr(cp, "DHCP") == NULL) {
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msgDebug("Not a DHCP interface.\n");
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i = vsystem("ifconfig %s %s", dev->name, cp);
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if (i) {
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msgConfirm("Unable to configure the %s interface!\n"
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"This installation method cannot be used.",
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dev->name);
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return FALSE;
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}
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rp = variable_get(VAR_GATEWAY);
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if (!rp || *rp == '0') {
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msgConfirm("No gateway has been set. You will be unable to access hosts\n"
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"not on your local network");
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}
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else {
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/*
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* Explicitly flush all routes to get back to a known sane
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* state. We don't need to check this exit code because if
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* anything fails it will show up in the route add below.
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*/
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system("route -n flush");
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msgDebug("Adding default route to %s.\n", rp);
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if (vsystem("route -n add default %s", rp) != 0) {
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msgConfirm("Failed to add a default route; please check "
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"your network configuration");
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return FALSE;
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}
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}
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} else {
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msgDebug("A DHCP interface. Should already be up.\n");
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}
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} else if ((cp = variable_get(VAR_IPV6ADDR)) == NULL || *cp == '\0') {
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msgConfirm("The %s device is not configured. You will need to do so\n"
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"in the Networking configuration menu before proceeding.", dev->name);
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return FALSE;
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}
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if (isDebug())
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msgDebug("Network initialized successfully.\n");
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networkInitialized = TRUE;
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return TRUE;
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}
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void
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mediaShutdownNetwork(Device *dev)
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{
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char *cp;
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if (!RunningAsInit || !networkInitialized)
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return;
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msgDebug("Shutdown called for network device %s\n", dev->name);
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int i;
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char ifconfig[255];
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snprintf(ifconfig, 255, "%s%s", VAR_IFCONFIG, dev->name);
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cp = variable_get(ifconfig);
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if (!cp)
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return;
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msgDebug("ifconfig %s down\n", dev->name);
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i = vsystem("ifconfig %s down", dev->name);
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if (i)
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msgConfirm("Warning: Unable to down the %s interface properly", dev->name);
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cp = variable_get(VAR_GATEWAY);
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if (cp) {
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msgDebug("Deleting default route.\n");
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vsystem("route -n delete default");
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}
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}
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