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/*
nast
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 "include/nast.h"
void handle_IGMP (FILE *output)
{
struct libnet_ipv4_hdr *ip;
struct libnet_igmp_hdr *igmp;
ip = (struct libnet_ipv4_hdr *) (packet + offset);
igmp = (struct libnet_igmp_hdr *) (packet + LIBNET_IPV4_H + offset);
n_print("princ",line_s,row_s,lg,"\n---[ IGMP ]----------------------------------------------------------\n");
n_print("princ",line_s=line_s+2,row_s,lg,"%s -> %s\n", inet_ntoa(ip->ip_src), inet_ntoa(ip->ip_dst));
n_print("princ",++line_s,row_s,lg,"IP Version: %d\t Length: %d\t", ip->ip_v, ntohs(ip->ip_len));
n_print("princ",line_s,30,lg,"TTL: %d\t Code: %d\n", ip->ip_ttl, igmp->igmp_code);
n_print("princ",++line_s,row_s,lg,"Type: ");
switch(igmp->igmp_type)
{
case 0x11:
n_print("princ",line_s,10,lg,"Membreship Query v1 [get address %s]\n", inet_ntoa(igmp->igmp_group));
break;
case 0x12:
n_print("princ",line_s,10,lg,"Membership Report v1 %s\n", inet_ntoa(igmp->igmp_group));
break;
case 0x16:
n_print("princ",line_s,10,lg,"Membership Report v2 %s\n", inet_ntoa(igmp->igmp_group));
break;
case 0x17:
n_print("princ",line_s,10,lg,"Leave %s (v2)\n", inet_ntoa(igmp->igmp_group));
break;
default:
n_print("princ",line_s,10,lg,"%d\n", igmp->igmp_type);
break;
}
n_print("princ",++line_s,0,lg,"Packet Number: %d",npkt);
if(!graph)
printf("\n");
row_s=0;
++line_s;
}
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