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/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $FreeBSD$
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/* These routines deal with getting things off of network media */
#include "sysinstall.h"
#include <signal.h>
#include <termios.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
static Boolean networkInitialized;
Boolean
mediaInitNetwork(Device *dev)
{
int i;
char *rp;
char *cp, ifconfig[255];
WINDOW *w;
if (!RunningAsInit || networkInitialized)
return TRUE;
if (isDebug())
msgDebug("Init routine called for network device %s.\n", dev->name);
if (!file_readable("/etc/resolv.conf")) {
if (DITEM_STATUS(configResolv(NULL)) == DITEM_FAILURE) {
msgConfirm("Can't seem to write out /etc/resolv.conf. Net cannot be used.");
return FALSE;
}
}
w = savescr();
dialog_clear_norefresh();
snprintf(ifconfig, 255, "%s%s", VAR_IFCONFIG, dev->name);
cp = variable_get(ifconfig);
if (cp) {
/*
* If this interface isn't a DHCP one, bring it up.
* If it is, then it's already up.
*/
if (strstr(cp, "DHCP") == NULL) {
msgDebug("Not a DHCP interface.\n");
i = vsystem("ifconfig %s %s", dev->name, cp);
if (i) {
msgConfirm("Unable to configure the %s interface!\n"
"This installation method cannot be used.",
dev->name);
return FALSE;
}
rp = variable_get(VAR_GATEWAY);
if (!rp || *rp == '0') {
msgConfirm("No gateway has been set. You will be unable to access hosts\n"
"not on your local network");
}
else {
/*
* Explicitly flush all routes to get back to a known sane
* state. We don't need to check this exit code because if
* anything fails it will show up in the route add below.
*/
system("route -n flush");
msgDebug("Adding default route to %s.\n", rp);
if (vsystem("route -n add default %s", rp) != 0) {
msgConfirm("Failed to add a default route; please check "
"your network configuration");
return FALSE;
}
}
} else {
msgDebug("A DHCP interface. Should already be up.\n");
}
} else if ((cp = variable_get(VAR_IPV6ADDR)) == NULL || *cp == '\0') {
msgConfirm("The %s device is not configured. You will need to do so\n"
"in the Networking configuration menu before proceeding.", dev->name);
return FALSE;
}
if (isDebug())
msgDebug("Network initialized successfully.\n");
networkInitialized = TRUE;
return TRUE;
}
void
mediaShutdownNetwork(Device *dev)
{
char *cp;
if (!RunningAsInit || !networkInitialized)
return;
msgDebug("Shutdown called for network device %s\n", dev->name);
int i;
char ifconfig[255];
snprintf(ifconfig, 255, "%s%s", VAR_IFCONFIG, dev->name);
cp = variable_get(ifconfig);
if (!cp)
return;
msgDebug("ifconfig %s down\n", dev->name);
i = vsystem("ifconfig %s down", dev->name);
if (i)
msgConfirm("Warning: Unable to down the %s interface properly", dev->name);
cp = variable_get(VAR_GATEWAY);
if (cp) {
msgDebug("Deleting default route.\n");
vsystem("route -n delete default");
}
}
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