wireshark/epan/ftypes/ftype-ipv4.c

137 lines
2.7 KiB
C

/*
* $Id: ftype-ipv4.c,v 1.2 2001/02/01 20:31:21 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 2001 Gerald Combs
*
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ftypes-int.h>
#include "ipv4.h"
#include "resolv.h"
static void
ftype_from_tvbuff(field_info *fi, tvbuff_t *tvb, int start, int length,
gboolean little_endian)
{
/* XXX */
g_assert_not_reached();
}
static void
set_integer(fvalue_t *fv, guint32 value)
{
ipv4_addr_set_net_order_addr(&(fv->value.ipv4), value);
ipv4_addr_set_netmask_bits(&(fv->value.ipv4), 32);
}
static gpointer
value_get(fvalue_t *fv)
{
return &(fv->value.ipv4);
}
static gboolean
val_from_string(fvalue_t *fv, char *s, LogFunc log)
{
guint32 addr;
if (!get_host_ipaddr(s, &addr)) {
log("\"%s\" is not a valid hostname or IPv4 address.", s);
return FALSE;
}
ipv4_addr_set_host_order_addr(&(fv->value.ipv4), addr);
/*ipv4_addr_set_netmask_bits(&node->value.ipv4, nmask_bits);*/
ipv4_addr_set_netmask_bits(&(fv->value.ipv4), 32);
return TRUE;
}
static gboolean
cmp_eq(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_eq(&a->value.ipv4, &b->value.ipv4);
}
static gboolean
cmp_ne(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_ne(&a->value.ipv4, &b->value.ipv4);
}
static gboolean
cmp_gt(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_gt(&a->value.ipv4, &b->value.ipv4);
}
static gboolean
cmp_ge(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_ge(&a->value.ipv4, &b->value.ipv4);
}
static gboolean
cmp_lt(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_lt(&a->value.ipv4, &b->value.ipv4);
}
static gboolean
cmp_le(fvalue_t *a, fvalue_t *b)
{
return ipv4_addr_le(&a->value.ipv4, &b->value.ipv4);
}
void
ftype_register_ipv4(void)
{
static ftype_t ipv4_type = {
"FT_IPv4",
"IPv4 address",
4,
NULL,
NULL,
ftype_from_tvbuff,
val_from_string,
NULL,
set_integer,
NULL,
value_get,
NULL,
NULL,
cmp_eq,
cmp_ne,
cmp_gt,
cmp_ge,
cmp_lt,
cmp_le,
};
ftype_register(FT_IPv4, &ipv4_type);
}