b365d954cc
- Remove ia_net, ia_netmask, ia_netbroadcast from struct in_ifaddr. - Remove net.inet.ip.subnetsarelocal, I bet no one need it in 2011. - fix bug when we were not forwarding to a host which matches classful net address. For example router having 192.168.x.y/16 network attached, would not forward traffic to 192.168.*.0, which are legal IPs in CIDR world. - For compatibility, leave autoguessing of mask based on class. Reviewed by: andre, bz, rwatson
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*-
|
|
* Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
|
|
* 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.
|
|
* 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "opt_ddb.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
|
|
#ifdef DDB
|
|
#include <ddb/ddb.h>
|
|
#endif
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_var.h>
|
|
|
|
#ifdef DDB
|
|
static void
|
|
in_show_sockaddr_in(struct sockaddr_in *sin)
|
|
{
|
|
|
|
#define SIN_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e, sin->e);
|
|
db_printf("\tsockaddr_in = %p\n", sin);
|
|
SIN_DB_RPINTF("%u", sin_len);
|
|
SIN_DB_RPINTF("%u", sin_family);
|
|
SIN_DB_RPINTF("%u", sin_port);
|
|
SIN_DB_RPINTF("0x%08x", sin_addr.s_addr);
|
|
db_printf("\t %s = %02x%02x%02x%02x%02x%02x%02x%02x\n",
|
|
"sin_zero[8]",
|
|
sin->sin_zero[0], sin->sin_zero[1],
|
|
sin->sin_zero[2], sin->sin_zero[3],
|
|
sin->sin_zero[4], sin->sin_zero[5],
|
|
sin->sin_zero[6], sin->sin_zero[7]);
|
|
#undef SIN_DB_RPINTF
|
|
}
|
|
|
|
DB_SHOW_COMMAND(sin, db_show_sin)
|
|
{
|
|
struct sockaddr_in *sin;
|
|
|
|
sin = (struct sockaddr_in *)addr;
|
|
if (sin == NULL) {
|
|
/* usage: No need to confess if you didn't sin. */
|
|
db_printf("usage: show sin <struct sockaddr_in *>\n");
|
|
return;
|
|
}
|
|
|
|
in_show_sockaddr_in(sin);
|
|
}
|
|
|
|
static void
|
|
in_show_in_ifaddr(struct in_ifaddr *ia)
|
|
{
|
|
|
|
#define IA_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e, ia->e);
|
|
#define IA_DB_RPINTF_PTR(f, e) db_printf("\t %s = " f "\n", #e, &ia->e);
|
|
#define IA_DB_RPINTF_DPTR(f, e) db_printf("\t *%s = " f "\n", #e, *ia->e);
|
|
db_printf("\tin_ifaddr = %p\n", ia);
|
|
IA_DB_RPINTF_PTR("%p", ia_ifa);
|
|
IA_DB_RPINTF("0x%08lx", ia_subnet);
|
|
IA_DB_RPINTF("0x%08lx", ia_subnetmask);
|
|
IA_DB_RPINTF("%p", ia_hash.le_next);
|
|
IA_DB_RPINTF("%p", ia_hash.le_prev);
|
|
IA_DB_RPINTF_DPTR("%p", ia_hash.le_prev);
|
|
IA_DB_RPINTF("%p", ia_link.tqe_next);
|
|
IA_DB_RPINTF("%p", ia_link.tqe_prev);
|
|
IA_DB_RPINTF_DPTR("%p", ia_link.tqe_prev);
|
|
IA_DB_RPINTF_PTR("%p", ia_addr);
|
|
IA_DB_RPINTF_PTR("%p", ia_dstaddr);
|
|
IA_DB_RPINTF_PTR("%p", ia_sockmask);
|
|
#undef IA_DB_RPINTF_DPTR
|
|
#undef IA_DB_RPINTF_PTR
|
|
#undef IA_DB_RPINTF
|
|
}
|
|
|
|
DB_SHOW_COMMAND(in_ifaddr, db_show_in_ifaddr)
|
|
{
|
|
struct in_ifaddr *ia;
|
|
|
|
ia = (struct in_ifaddr *)addr;
|
|
if (ia == NULL) {
|
|
db_printf("usage: show in_ifaddr <struct in_ifaddr *>\n");
|
|
return;
|
|
}
|
|
|
|
in_show_in_ifaddr(ia);
|
|
}
|
|
#endif
|