dsniff  2.4b2
About: A collection of tools for network auditing
  Fossies Dox: dsniff-2.4b2.tar.gz  ("inofficial" and yet experimental doxygen-generated source code documentation)  

decode_napster.c
Go to the documentation of this file.
1 /*
2  * decode_napster.c
3  *
4  * Napster. w00w00!
5  *
6  * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
7  *
8  * $Id: decode_napster.c,v 1.6 2001/03/15 08:33:01 dugsong Exp $
9  */
10 
11 #include "config.h"
12 
13 #include <sys/types.h>
14 
15 #include <stdio.h>
16 #include <string.h>
17 
18 #include "buf.h"
19 #include "decode.h"
20 
21 int
22 decode_napster(u_char *buf, int len, u_char *obuf, int olen)
23 {
24  struct buf inbuf, outbuf;
25  u_short i, type;
26 
27  buf_init(&inbuf, buf, len);
28  buf_init(&outbuf, obuf, olen);
29 
30  if (buf_get(&inbuf, &i, sizeof(i)) != sizeof(i))
31  return (0);
32 
33  i = pletohs(&i);
34 
35  if (buf_get(&inbuf, &type, sizeof(type)) != sizeof(type))
36  return (0);
37 
38  type = pletohs(&type);
39 
40  if (type != 2 || i > buf_len(&inbuf))
41  return (0);
42 
43  buf_put(&outbuf, buf_ptr(&inbuf), i);
44  buf_put(&outbuf, "\n", 1);
45 
46  buf_end(&outbuf);
47 
48  return (buf_len(&outbuf));
49 }
50 
decode_napster
int decode_napster(u_char *buf, int len, u_char *obuf, int olen)
Definition: decode_napster.c:22
buf_init
void buf_init(buf_t buf, u_char *data, int len)
Definition: buf.c:24
buf_end
void buf_end(buf_t buf)
Definition: buf.c:121
buf_put
int buf_put(buf_t buf, void *src, int len)
Definition: buf.c:93
decode.h
buf.h
buf
Definition: buf.h:14
buf_get
int buf_get(buf_t buf, void *dst, int len)
Definition: buf.c:74
buf_ptr
#define buf_ptr(b)
Definition: buf.h:31
config.h
obuf
static char obuf[4096]
Definition: trigger.c:43
buf_len
#define buf_len(b)
Definition: buf.h:34
pletohs
#define pletohs(p)
Definition: decode.h:24