mirror of https://github.com/dzavalishin/oskit/
105 lines
3.3 KiB
C
Executable File
105 lines
3.3 KiB
C
Executable File
/*
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* Copyright (c) 1997-1999 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* This file contains a function to set up a default route -
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* and no, I don't mean this seriously.
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*
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* It is of temporary nature.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include "net/if.h"
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#include "net/route.h"
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#include "netinet/in.h"
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#include "netinet/if_ether.h"
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#include "netinet/in_var.h"
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#include <arpa/inet.h>
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#include <oskit/net/freebsd.h>
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#include "glue.h"
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/*
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* you might ask: where does this array come from?
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* well, it's just a recording of what route writes to its socket
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* when invoked as 'route add default 155.99.214.61'
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* we take this bunch of data and shove it into a routing socket
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*
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* an ambitious person might try to decipher 'man 4 route' or the
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* code in /usr/src/sys/route/route.c
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*/
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#define ARRAYSIZE 128
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static char array[] = {
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0x80, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x03, 0x08, 0x00, 0x00,
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0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x10, 0x02, 0x00, 0x00, 0x9B, 0x63, 0xD6, 0x3D, 0x00, 0x00, 0x00, 0x00,
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/*********************** ^^^^^^^^^^^^^^^^^^^^^^ that's ADOFFSET *********/
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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#define ADOFFSET (12*8+12+4)
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static int
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_oskit_freebsd_net_add_default_route(char *gateway)
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{
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int error;
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struct socket *so;
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struct proc p;
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OSKIT_FREEBSD_CREATE_CURPROC(p);
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/* set gateway */
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inet_aton(gateway, (struct in_addr *)(array + ADOFFSET));
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error = socreate(AF_ROUTE, &so, SOCK_RAW, 0, &p);
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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if (error)
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return error;
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if ((error = bsdnet_write(so, array, ARRAYSIZE, 0)))
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return error;
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OSKIT_FREEBSD_CREATE_CURPROC(p);
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error = soclose(so);
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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return error;
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}
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oskit_error_t
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oskit_freebsd_net_add_default_route(char *gateway)
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{
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return /* XXX: errno_to_oskit_errno() */
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_oskit_freebsd_net_add_default_route(gateway);
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}
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