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/*
* Mini network boot implementation for busybox.
*
* Copyright (C) 2004 by David Seikel won_fang@yahoo.com.au
*
* Originally based on code from Trinux.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
*/
#include <string.h>
#include <unistd.h>
#include "busybox.h"
#include "lib_init_d.h"
static int start(struct init_d_handle_s *, int);
static int status(struct init_d_handle_s *init_d, int);
static int stop(struct init_d_handle_s *, int);
static init_d_handle_t my_commands = {
&start,
&stop,
NULL,
NULL,
NULL,
NULL,
&status,
NULL,
"network",
NULL,
NULL,
NULL,
INIT_D_BEGIN
INIT_D_PROV "$network"
INIT_D_RSTART "$syslog"
INIT_D_DSTART "3 4 5"
INIT_D_DSTOP "0 1 2 6"
INIT_D_SDESC "Basic network setup"
INIT_D_DESC "Configures all your network interfaces,"
INIT_D_CONT "brings them all up and sets up routing."
INIT_D_CONT "Also configures things like port forwarding,"
INIT_D_CONT "hostnames, etc." INIT_D_END
};
int network_main(int argc, char **argv)
{
return do_init_from_main(argc, argv, &my_commands);
}
static int start(struct init_d_handle_s *init_d, int just_checking)
{
int i;
int my_status = (init_d->status) (init_d, 0);
char *IPADDR = 0;
if (my_status == INIT_D_STATUS_NOT_RUNNING) {
my_status = INIT_D_ERROR_NOT_RUNNING;
// if (stat("/proc/net/pnp", &path_stat) == 0)
// copy_file("/proc/net/pnp", "/etc/resolv.conf", FILEUTILS_FORCE | FILEUTILS_PRESERVE_STATUS);
fflush(stdout);
doit(QUIET, "ifup -af");
for (i = 20; stat("/var/lib/network/ipaddr", &path_stat) != 0; i--) {
bb_printf(".");
fflush(stdout);
sleep(2);
if (i <= 0) {
bb_printf(" timeout.");
break;
}
}
if (stat("/var/lib/network/ipaddr", &path_stat) == 0)
IPADDR = quick_read("/var/lib/network/ipaddr");
if ((IPADDR != 0) && (IPADDR[0] != '\0')) {
char *tcp_syn_retries = getenv("tcp_syn_retries");
char *ip_forward = getenv("ip_forward");
char *icmp_echo_ignore_all = getenv("icmp_echo_ignore_all");
if (tcp_syn_retries)
quick_write("/proc/sys/net/ipv4/tcp_syn_retries", tcp_syn_retries);
if (ip_forward) {
bb_printf("Enabling IP forwarding\n");
quick_write("/proc/sys/net/ipv4/ip_forward", ip_forward);
}
if (icmp_echo_ignore_all)
quick_write("/proc/sys/net/ipv4/icmp_echo_ignore_all", icmp_echo_ignore_all);
my_status = INIT_D_OK;
} else
my_status = INIT_D_ERROR_GENERIC;
free(IPADDR);
} else
my_status = INIT_D_OK;
return my_status;
}
static int status(struct init_d_handle_s *init_d, int quiet)
{
int my_status = INIT_D_STATUS_NOT_RUNNING;
char *ip = NULL;
bb_xasprintf(&ip, "%s",
doit(REDIR,
"ip -o addr | grep lo: | cut -d\" \" -f3 | cut -d\",\" -f2"));
if ((ip != NULL) && (strncmp("UP", ip, 2) == 0))
my_status = INIT_D_STATUS_OK;
return print_status(init_d, quiet, my_status);
}
static int stop(struct init_d_handle_s *init_d, int just_checking)
{
int my_status = default_stop(init_d, 1);
if (my_status == INIT_D_ERROR_JUST_RUNNING) {
doit(QUIET, "ifdown -af");
my_status = INIT_D_OK;
}
return my_status;
}
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