NetBSD/distrib/utils/sysinst/net.c

323 lines
8.6 KiB
C

/* $NetBSD: net.c,v 1.18 1997/11/11 00:43:41 phil Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* 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.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software develooped for the NetBSD Project by
* Piermont Information Systems Inc.
* 4. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``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 PIERMONT INFORMATION SYSTEMS INC. 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, 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.
*
*/
/* net.c -- routines to fetch files off the network. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curses.h>
#include <unistd.h>
#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"
#include "txtwalk.h"
static int network_up = 0;
/* Get the list of network interfaces. */
static void get_ifconfig_info (void)
{
char *textbuf;
int textsize;
char *t;
/* Get ifconfig information */
textsize = collect (T_OUTPUT, &textbuf,
"/sbin/ifconfig -l 2>/dev/null");
if (textsize < 0) {
endwin();
(void) fprintf (stderr, "Could not run ifconfig.");
exit (1);
}
(void) strtok(textbuf,"\n");
strncpy (net_devices, textbuf, textsize<STRSIZE ? textsize : STRSIZE);
net_devices[STRSIZE] = 0;
free (textbuf);
/* Remove lo0 and anything after ... */
t = strstr (net_devices, "lo0");
if (t != NULL)
*t = 0;
}
/* Get the information to configure the network, configure it and
make sure both the gateway and the name server are up. */
int config_network (void)
{ char *tp;
char defname[255];
int octet0;
int pass;
FILE *f;
time_t now;
if (network_up)
return 1;
net_devices[0] = '\0';
get_ifconfig_info ();
strncpy (defname, net_devices, 255);
tp = defname;
strsep(&tp, " ");
msg_prompt (MSG_asknetdev, defname, net_dev, 255, net_devices);
tp = net_dev;
strsep(&tp, " ");
net_dev[strlen(net_dev)+1] = 0;
net_dev[strlen(net_dev)] = ' ';
while ((strlen(net_dev) != 4 && strlen(net_dev) != 5) ||
strstr(net_devices, net_dev) == NULL) {
msg_prompt (MSG_badnet, defname, net_dev, 10,
net_devices);
tp = net_dev;
strsep(&tp, " ");
net_dev[strlen(net_dev)+1] = 0;
net_dev[strlen(net_dev)] = ' ';
}
/* Remove that space we added. */
net_dev[strlen(net_dev)-1] = 0;
/* Get other net information */
msg_display (MSG_netinfo);
pass = 0;
do {
msg_prompt_add (MSG_net_domain, net_domain, net_domain,
STRSIZE);
msg_prompt_add (MSG_net_host, net_host, net_host, STRSIZE);
msg_prompt_add (MSG_net_ip, net_ip, net_ip, STRSIZE);
octet0 = atoi(net_ip);
if (!pass) {
if (0 <= octet0 && octet0 <= 127)
strcpy (net_mask, "0xff000000");
else if (127 <= octet0 && octet0 <= 191)
strcpy (net_mask, "0xffff0000");
else if (192 <= octet0 && octet0 <= 223)
strcpy (net_mask, "0xffff0000");
}
msg_prompt_add (MSG_net_mask, net_mask, net_mask, STRSIZE);
msg_prompt_add (MSG_net_defroute, net_defroute, net_defroute,
STRSIZE);
msg_prompt_add (MSG_net_namesrv, net_namesvr, net_namesvr,
STRSIZE);
msg_display (MSG_netok, net_domain, net_host, net_ip,
net_mask, net_namesvr, net_defroute);
process_menu (MENU_yesno);
if (!yesno)
msg_display (MSG_netagain);
pass++;
} while (!yesno);
/* Create /etc/resolv.conf */
#ifdef DEBUG
f = fopen ("/tmp/resolv.conf", "w");
#else
f = fopen ("/etc/resolv.conf", "w");
#endif
if (f == NULL) {
endwin();
(void)fprintf(stderr, "%s", msg_string(MSG_resolv));
exit(1);
}
time(&now);
/* NB: ctime() returns a string ending in '\n' */
(void)fprintf (f, ";\n; BIND data file\n; %s %s;\n",
"Created by NetBSD sysinst on", ctime(&now));
(void)fprintf (f, "nameserver %s\nlookup file bind\nsearch %s\n",
net_namesvr, net_domain);
fclose (f);
run_prog ("/sbin/ifconfig lo0 127.0.0.1");
run_prog ("/sbin/ifconfig %s inet %s netmask %s", net_dev, net_ip,
net_mask);
run_prog ("/sbin/route -f > /dev/null 2> /dev/null");
run_prog ("/sbin/route add default %s > /dev/null 2> /dev/null",
net_defroute);
network_up = !run_prog ("/sbin/ping -c 2 %s > /dev/null", net_defroute)
&& !run_prog ("/sbin/ping -c 2 %s > /dev/null", net_namesvr);
return network_up;
}
int
get_via_ftp (void)
{
distinfo *list;
char filename[SSTRSIZE];
int ret;
while (!config_network ()) {
msg_display (MSG_netnotup);
process_menu (MENU_yesno);
if (!yesno)
return 0;
}
cd_dist_dir ("ftp");
/* Fill in final values for ftp_dir. */
strncat (ftp_dir, rels, STRSIZE-strlen(ftp_dir));
strcat (ftp_dir, "/");
strncat (ftp_dir, machine, STRSIZE-strlen(ftp_dir));
strncat (ftp_dir, ftp_prefix, STRSIZE-strlen(ftp_dir));
process_menu (MENU_ftpsource);
list = dist_list;
endwin();
while (list->name) {
if (!list->getit) {
list++;
continue;
}
snprintf (filename, SSTRSIZE, list->name, rels, dist_postfix);
if (strcmp ("ftp", ftp_user) == 0)
ret = run_prog("/usr/bin/ftp -a ftp://%s/%s/%s",
ftp_host, ftp_dir,
filename);
else
ret = run_prog("/usr/bin/ftp ftp://%s:%s@%s/%s/%s",
ftp_user, ftp_pass, ftp_host, ftp_dir,
filename);
if (ret) {
/* Error getting the file. Bad host name ... ? */
puts (CL);
wrefresh (stdscr);
msg_display (MSG_ftperror);
process_menu (MENU_yesno);
if (yesno)
process_menu (MENU_ftpsource);
else
return 0;
endwin();
} else
list++;
}
puts (CL); /* Just to make sure. */
wrefresh (stdscr);
#ifndef DEBUG
chdir("/"); /* back to current real root */
#endif
return 1;
}
int
get_via_nfs(void)
{
while (!config_network ()) {
msg_display (MSG_netnotup);
process_menu (MENU_yesno);
if (!yesno)
return 0;
}
/* Get server and filepath */
process_menu (MENU_nfssource);
/* Mount it */
while(run_prog("/sbin/mount -t nfs %s:%s /mnt2", nfs_host, nfs_dir)) {
process_menu (MENU_nfsbadmount);
if (!yesno)
return 0;
/* verify distribution files are there. XXX */
}
/* return location, don't clean... */
strcpy (ext_dir, "/mnt2");
clean_dist_dir = 0;
mnt2_mounted = 1;
return 1;
}
/*
* Write the network config info the user entered via menus into the
* config files in the target disk. Be careful not to lose any
* information we don't immediately add back, in case the install
* target is the currently-active root.
*/
void
mnt_net_config(void)
{
char ans [5] = "y";
char ifconfig_fn [STRSIZE];
FILE *f;
if (network_up) {
msg_prompt (MSG_mntnetconfig, ans, ans, 5);
if (*ans == 'y') {
/* If not running in target, copy resolv.conf there. */
dup_file_into_target("/etc/resolv.conf");
/*
* Add IPaddr/hostname to /etc/hosts.
* Be careful not to clobber any existing contents.
* Relies on ordered seach of /etc/hosts. XXX YP?
*/
f = target_fopen("/etc/hosts", "a");
if (f != 0) {
fprintf(f, msg_string(MSG_etc_hosts),
net_ip, net_host, net_domain,
net_host);
fclose(f);
}
/* Write IPaddr and netmask to /etc/ifconfig.if[0-9] */
snprintf (ifconfig_fn, STRSIZE,
"/etc/ifconfig.%s", net_dev);
f = target_fopen(ifconfig_fn, "w");
if (f != 0) {
fprintf(f, "%s netmask %s\n",
net_ip, net_mask);
fclose(f);
}
f = target_fopen("/etc/mygate", "w");
if (f != 0) {
fprintf(f, "%s\n", net_defroute);
fclose(f);
}
}
}
}