void zoomWindow::unignore()
{
m_ignore.removeAll(link);
QFile f(savePath("ignore.txt"));
f.open(QIODevice::WriteOnly);
f.write(m_ignore.join("\r\n").toUtf8());
f.close();
colore();
}
void liv3(u_int type,const u_char *p) {
const u_char *mp;
int i,j,k,r,ihl,flag;
u_int id,fragm,len;
u_char ttl,proto;
u_long flow;
struct filt_ipv4 *aux_ipv4;
struct filt_ipv6 *aux_ipv6;
int mask[8]={0,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe};
//increasing counter
counter.lvl3++;
switch(type) {
// IPv4
case 0x800:
if(!r_ipv4)
return;
printf("\n\nIPV4\n\n");
//increase counter
counter.ipv4++;
//start decoding ipv4
flag=0;
for(aux_ipv4=filt_ipv4;aux_ipv4!=NULL;aux_ipv4=aux_ipv4->next) {
i=aux_ipv4->scid;
j=i/8;
r=i%8;
mp=p+12;
for(k=0;k<j;k++)
if(*(mp+k)!=aux_ipv4->sip[k])
break;
if(k!=j||((*(mp+j))&mask[r])!=(aux_ipv4->sip[j]&mask[r])) {
flag=1;
continue;
}
i=aux_ipv4->dcid;
j=i/8;
r=i%8;
mp=p+16;
for(k=0;k<j;k++)
if(*(mp+k)!=aux_ipv4->dip[k])
break;
if(k!=j||((*(mp+j))&mask[r])!=(aux_ipv4->dip[j]&mask[r])) {
flag=1;
continue;
}
flag=0;
break;
}
id=ntohs(*(u_int *)(p+4));
ttl=*(p+8);
proto=*(p+9); //PROBABILMENTE a p + 14 + 9 vedo il protocollo livello 4
len=ntohs(*(u_int *)(p+2));
ihl=((*p)&0x0f)*4;
fragm=ntohs(*(u_int *)(p+6));
if(p_ipv4) {
colore(3);
myprintf("IPv4 |"); //MODIFICATO myprintf
print_ipv4(p+12);
myprintf(" -> "); //MODIFICATO myprintf
print_ipv4(p+16);
myprintf(" Id:%d Ttl:%d Proto:%d Len:%d",id,ttl,proto,len); //MODIFICATO myprintf
if(fragm&0x4000)
myprintf(" DF"); //MODIFICATO myprintf
myprintf(" Fragm:%d%c\n",fragm&0x1fff,(fragm&0x2000)?'M':'F'); //MODIFICATO myprintf
}
if(flag) {
filt_kill=1;
return;
}
liv4(proto,len-ihl,p+ihl, id);
return;
// IP v6
case 0x86dd:
if(!r_ipv6)
return;
printf("\n\nIPV6\n\n");
//increase counter
counter.ipv6++;
//start decoding
flag=0;
for(aux_ipv6=filt_ipv6;aux_ipv6!=NULL;aux_ipv6=aux_ipv6->next) {
i=aux_ipv6->scid;
j=i/8;
r=i%8;
mp=p+8;
for(k=0;k<j;k++)
if(*(mp+k)!=aux_ipv6->sip[k])
break;
if(k!=j||((*(mp+j))&mask[r])!=(aux_ipv6->sip[j]&mask[r])) {
flag=1;
continue;
}
i=aux_ipv6->dcid;
j=i/8;
r=i%8;
mp=p+24;
for(k=0;k<j;k++)
if(*(mp+k)!=aux_ipv6->dip[k])
break;
if(k!=j||((*(mp+j))&mask[r])!=(aux_ipv6->dip[j]&mask[r])) {
flag=1;
continue;
}
flag=0;
break;
}
ttl=*(p+7);
proto=*(p+6);
flow=ntohl(*(u_long *)(p))&0x00ffffff;
len=ntohs(*(u_int *)(p+4));
if(p_ipv6) {
colore(3);
myprintf("IPv6 |"); //MODIFICATO myprintf
print_ipv6(p+8);
myprintf(" -> "); //MODIFICATO myprintf
print_ipv6(p+24);
myprintf(" Proto:%d Hop:%d Len:%d Flow:%ld\n",proto,ttl,len,flow); //MODIFICATO myprintf
}
if(flag) {
filt_kill=1;
return;
}
liv4(proto,len-40,p+40, 0);
return;
case 0x0806:
if(!p_arp) return;
printf("\n\nARP\n\n");
//increase counter
counter.arp++;
//start decoding
colore(3);
myprintf("ARP |"); //MODIFICATO myprintf
switch(htons(*(u_int *)(p+6))) {
case 1:
myprintf("Request ");
break;
case 2:
myprintf("Reply ");
break;
case 3:
myprintf("R_Request ");
break;
case 4:
myprintf("R_Reply ");
break;
}
myprintf(" "); //MODIFICATO myprintf
print_liv2(p+8);
myprintf(" -> "); //MODIFICATO myprintf
print_liv2(p+18);
myprintf(" "); //MODIFICATO myprintf
print_ipv4(p+14);
myprintf(" -> "); //MODIFICATO myprintf
print_ipv4(p+24);
myprintf("\n"); //MODIFICATO myprintf
decoded=1;
return;
default:
//increasing counter
counter.unknown++;
unknown=1;
return;
}
}