static void
dccp_print(const void *ip, const struct xt_entry_match *match, int numeric)
{
const struct xt_dccp_info *einfo =
(const struct xt_dccp_info *)match->data;
printf(" dccp");
if (einfo->flags & XT_DCCP_SRC_PORTS) {
print_ports("spt", einfo->spts[0], einfo->spts[1],
einfo->invflags & XT_DCCP_SRC_PORTS,
numeric);
}
if (einfo->flags & XT_DCCP_DEST_PORTS) {
print_ports("dpt", einfo->dpts[0], einfo->dpts[1],
einfo->invflags & XT_DCCP_DEST_PORTS,
numeric);
}
if (einfo->flags & XT_DCCP_TYPE) {
print_types(einfo->typemask,
einfo->invflags & XT_DCCP_TYPE,
numeric);
}
if (einfo->flags & XT_DCCP_OPTION) {
print_option(einfo->option,
einfo->invflags & XT_DCCP_OPTION, numeric);
}
}
static void
udp_print(const void *ip, const struct xt_entry_match *match, int numeric)
{
const struct xt_udp *udp = (struct xt_udp *)match->data;
printf(" udp");
print_ports("spt", udp->spts[0], udp->spts[1],
udp->invflags & XT_UDP_INV_SRCPT,
numeric);
print_ports("dpt", udp->dpts[0], udp->dpts[1],
udp->invflags & XT_UDP_INV_DSTPT,
numeric);
if (udp->invflags & ~XT_UDP_INV_MASK)
printf(" Unknown invflags: 0x%X",
udp->invflags & ~XT_UDP_INV_MASK);
}
static void
tcp_print(const void *ip, const struct xt_entry_match *match, int numeric)
{
const struct xt_tcp *tcp = (struct xt_tcp *)match->data;
printf("tcp ");
print_ports("spt", tcp->spts[0], tcp->spts[1],
tcp->invflags & XT_TCP_INV_SRCPT,
numeric);
print_ports("dpt", tcp->dpts[0], tcp->dpts[1],
tcp->invflags & XT_TCP_INV_DSTPT,
numeric);
print_option(tcp->option,
tcp->invflags & XT_TCP_INV_OPTION,
numeric);
print_flags(tcp->flg_mask, tcp->flg_cmp,
tcp->invflags & XT_TCP_INV_FLAGS,
numeric);
if (tcp->invflags & ~XT_TCP_INV_MASK)
printf("Unknown invflags: 0x%X ",
tcp->invflags & ~XT_TCP_INV_MASK);
}
static void
rule_print (const struct rule *r, const struct tf *tf)
{
printf ("Rule %u\nIn: ", r->idx);
print_ports (r->in, tf);
printf ("Out: ");
print_ports (r->out, tf);
if (r->match) {
char *match = array_to_str (DATA_ARR (r->match), data_arrs_len, true);
printf ("Match: %s\n", match);
free (match);
if (r->mask) {
char *mask = array_to_str (DATA_ARR (r->mask), data_arrs_len, false);
char *rewrite = array_to_str (DATA_ARR (r->rewrite), data_arrs_len, false);
printf ("Mask: %s\nRewrite: %s\n", mask, rewrite);
free (mask);
free (rewrite);
}
//printf ("Deps:\n");
//deps_print (r->deps);
}
printf ("-----\n");
}
static void render_with_delta(struct traffic_visualizer * self, float delta) {
int i;
self->p->accumulator += delta;
if (self->p->accumulator < STEP_TIME) {
return;
}
self->p->accumulator = 0.0f;
for (i = 0; i < self->p->num_ports; ++i) {
struct port * port = &self->p->ports[i];
clear_printed_packets(port->packets, PACKETS_PER_PORT, self->p->offset_y, self->p->offset_x);
}
step(self, STEP_TIME);
for (i = 0; i < self->p->num_ports; ++i) {
struct port * port = &self->p->ports[i];
print_packets(port->packets, PACKETS_PER_PORT, self->p->rx_color_pair, self->p->tx_color_pair, self->p->offset_y, self->p->offset_x);
}
print_ports(self->p->ports, self->p->num_ports, self->p->offset_y, self->p->offset_x);
}
static void
ebt_log_packet(u_int8_t pf, unsigned int hooknum,
const struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, const struct nf_loginfo *loginfo,
const char *prefix)
{
unsigned int bitmask;
spin_lock_bh(&ebt_log_lock);
printk("<%c>%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
'0' + loginfo->u.log.level, prefix,
in ? in->name : "", out ? out->name : "",
eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
ntohs(eth_hdr(skb)->h_proto));
if (loginfo->type == NF_LOG_TYPE_LOG)
bitmask = loginfo->u.log.logflags;
else
bitmask = NF_LOG_MASK;
if ((bitmask & EBT_LOG_IP) && eth_hdr(skb)->h_proto ==
htons(ETH_P_IP)){
const struct iphdr *ih;
struct iphdr _iph;
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
printk(" INCOMPLETE IP header");
goto out;
}
printk(" IP SRC=%pI4 IP DST=%pI4, IP tos=0x%02X, IP proto=%d",
&ih->saddr, &ih->daddr, ih->tos, ih->protocol);
print_ports(skb, ih->protocol, ih->ihl*4);
goto out;
}
#if defined(CONFIG_BRIDGE_EBT_IP6) || defined(CONFIG_BRIDGE_EBT_IP6_MODULE)
if ((bitmask & EBT_LOG_IP6) && eth_hdr(skb)->h_proto ==
htons(ETH_P_IPV6)) {
const struct ipv6hdr *ih;
struct ipv6hdr _iph;
uint8_t nexthdr;
int offset_ph;
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
printk(" INCOMPLETE IPv6 header");
goto out;
}
printk(" IPv6 SRC=%pI6 IPv6 DST=%pI6, IPv6 priority=0x%01X, Next Header=%d",
&ih->saddr, &ih->daddr, ih->priority, ih->nexthdr);
nexthdr = ih->nexthdr;
offset_ph = ipv6_skip_exthdr(skb, sizeof(_iph), &nexthdr);
if (offset_ph == -1)
goto out;
print_ports(skb, nexthdr, offset_ph);
goto out;
}
#endif
if ((bitmask & EBT_LOG_ARP) &&
((eth_hdr(skb)->h_proto == htons(ETH_P_ARP)) ||
(eth_hdr(skb)->h_proto == htons(ETH_P_RARP)))) {
const struct arphdr *ah;
struct arphdr _arph;
ah = skb_header_pointer(skb, 0, sizeof(_arph), &_arph);
if (ah == NULL) {
printk(" INCOMPLETE ARP header");
goto out;
}
printk(" ARP HTYPE=%d, PTYPE=0x%04x, OPCODE=%d",
ntohs(ah->ar_hrd), ntohs(ah->ar_pro),
ntohs(ah->ar_op));
/* If it's for Ethernet and the lengths are OK,
* then log the ARP payload */
if (ah->ar_hrd == htons(1) &&
ah->ar_hln == ETH_ALEN &&
ah->ar_pln == sizeof(__be32)) {
const struct arppayload *ap;
struct arppayload _arpp;
ap = skb_header_pointer(skb, sizeof(_arph),
sizeof(_arpp), &_arpp);
if (ap == NULL) {
printk(" INCOMPLETE ARP payload");
goto out;
}
printk(" ARP MAC SRC=%pM ARP IP SRC=%pI4 ARP MAC DST=%pM ARP IP DST=%pI4",
ap->mac_src, ap->ip_src, ap->mac_dst, ap->ip_dst);
}
}
out:
printk("\n");
spin_unlock_bh(&ebt_log_lock);
}