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/*
* Copyright (c) 1997-1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* start_conf_network_host.c
*/
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <fd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <oskit/startup.h>
#include <oskit/clientos.h>
#include <oskit/net/freebsd.h>
static void
write_dns_files(const char *domainname,
char **nameservers);
int
start_conf_network_host(const char *hostname,
const char *gateway,
const char *domainname,
char **nameservers)
{
int err;
oskit_clientos_sethostname(hostname, strlen(hostname));
if ((err = oskit_freebsd_net_add_default_route((char *)gateway))) {
printf("Could not add default route to %s (err %d: `%s')\n",
gateway, err, strerror(err));
}
write_dns_files(domainname, nameservers);
return 0;
}
static void
write_dns_files(const char *domainname,
char **nameservers)
{
int have_etc_hosts = 0;
int host_conf;
int resolv_conf;
if (mkdir("/etc", 0777) < 0 && errno != EEXIST) {
perror("mkdir /etc");
return;
}
have_etc_hosts = (access("/etc/hosts", R_OK) == 0);
host_conf = open("/etc/host.conf",
O_RDWR|O_CREAT|O_TRUNC|O_EXCL,
0644);
if (host_conf >= 0) {
if (nameservers != NULL)
{
write(host_conf, "bind\n", strlen("bind\n"));
}
if (have_etc_hosts)
{
write(host_conf, "hosts\n", strlen("hosts\n"));
}
close(host_conf);
} else
perror("couldn't create /etc/host.conf");
resolv_conf = open("/etc/resolv.conf",
O_RDWR|O_CREAT|O_TRUNC|O_EXCL,
0644);
if (resolv_conf >= 0) {
if (domainname != NULL) {
write(resolv_conf, "search\t", strlen("search\t"));
write(resolv_conf, domainname, strlen(domainname));
write(resolv_conf, "\n", 1);
}
if (nameservers != NULL) {
char **ns = nameservers;
while ((*ns) != NULL)
{
write(resolv_conf, "nameserver\t", strlen("nameserver\t"));
write(resolv_conf, *ns, strlen(*ns));
write(resolv_conf, "\n", 1);
ns++;
}
}
close(resolv_conf);
} else
perror("couldn't create /etc/resolv.conf");
}
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