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/*
* netsniff-ng - the packet sniffing beast
* Copyright 2009, 2010 Daniel Borkmann.
* Subject to the GPL, version 2.
*/
#include <stdio.h>
#include <stdint.h>
#include <ctype.h>
#include "proto.h"
#include "pkt_buff.h"
void empty(struct pkt_buff *pkt __maybe_unused) {}
static void _hex(uint8_t *ptr, size_t len)
{
if (!len)
return;
tprintf(" [ Hex ");
for (; ptr && len-- > 0; ptr++)
tprintf(" %.2x", *ptr);
tprintf(" ]\n");
}
void hex(struct pkt_buff *pkt)
{
size_t len = pkt_len(pkt);
if (!len)
return;
_hex(pkt_pull(pkt, len), len);
tprintf("\n");
}
static void _ascii(uint8_t *ptr, size_t len)
{
if (!len)
return;
tprintf(" [ Chr ");
for (; ptr && len-- > 0; ptr++)
tprintf("%c", isprint(*ptr) ? *ptr : '.');
tprintf(" ]\n");
}
void ascii(struct pkt_buff *pkt)
{
size_t len = pkt_len(pkt);
if (!len)
return;
_ascii(pkt_pull(pkt, len), len);
tprintf("\n");
}
void hex_ascii(struct pkt_buff *pkt)
{
size_t len = pkt_len(pkt);
uint8_t *ptr = pkt_pull(pkt, len);
if (len) {
_ascii(ptr, len);
_hex(ptr, len);
}
tprintf("\n");
}
static void none_less(struct pkt_buff *pkt __maybe_unused)
{
tprintf("\n");
}
struct protocol none_ops = {
.key = 0x01,
.print_full = hex_ascii,
.print_less = none_less,
};
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