1 d7094239 2003-11-23 devnull #pragma	src	"/sys/src/libip"
 2 d7094239 2003-11-23 devnull #pragma	lib	"libip.a"
 3 d7094239 2003-11-23 devnull 
 4 d7094239 2003-11-23 devnull enum 
 5 d7094239 2003-11-23 devnull {
 6 d7094239 2003-11-23 devnull 	IPaddrlen=	16,
 7 d7094239 2003-11-23 devnull 	IPv4addrlen=	4,
 8 d7094239 2003-11-23 devnull 	IPv4off=	12,
 9 d7094239 2003-11-23 devnull 	IPllen=		4,
10 d7094239 2003-11-23 devnull };
11 d7094239 2003-11-23 devnull 
12 d7094239 2003-11-23 devnull /*
13 d7094239 2003-11-23 devnull  *  for reading /net/ipifc
14 d7094239 2003-11-23 devnull  */
15 d7094239 2003-11-23 devnull typedef struct Ipifc Ipifc;
16 d7094239 2003-11-23 devnull typedef struct Ipifcs Ipifcs;
17 d7094239 2003-11-23 devnull 
18 d7094239 2003-11-23 devnull struct Ipifc
19 d7094239 2003-11-23 devnull {
20 d7094239 2003-11-23 devnull 	char	dev[64];
21 d7094239 2003-11-23 devnull 	uchar	ip[IPaddrlen];
22 d7094239 2003-11-23 devnull 	uchar	mask[IPaddrlen];
23 d7094239 2003-11-23 devnull 	uchar	net[IPaddrlen];		/* ip & mask */
24 d7094239 2003-11-23 devnull 	Ipifc	*next;
25 d7094239 2003-11-23 devnull };
26 d7094239 2003-11-23 devnull 
27 d7094239 2003-11-23 devnull struct Ipifcs
28 d7094239 2003-11-23 devnull {
29 d7094239 2003-11-23 devnull 	Ipifc *first;
30 d7094239 2003-11-23 devnull 	Ipifc *last;
31 d7094239 2003-11-23 devnull };
32 d7094239 2003-11-23 devnull 
33 d7094239 2003-11-23 devnull /*
34 d7094239 2003-11-23 devnull  *  user level udp headers
35 d7094239 2003-11-23 devnull  */
36 d7094239 2003-11-23 devnull enum 
37 d7094239 2003-11-23 devnull {
38 d7094239 2003-11-23 devnull 	Udphdrsize=	36,	/* size of a Udphdr */
39 d7094239 2003-11-23 devnull };
40 d7094239 2003-11-23 devnull 
41 d7094239 2003-11-23 devnull typedef struct Udphdr Udphdr;
42 d7094239 2003-11-23 devnull struct Udphdr
43 d7094239 2003-11-23 devnull {
44 d7094239 2003-11-23 devnull 	uchar	raddr[IPaddrlen];	/* remote address and port */
45 d7094239 2003-11-23 devnull 	uchar	laddr[IPaddrlen];	/* local address and port */
46 d7094239 2003-11-23 devnull 	uchar	rport[2];
47 d7094239 2003-11-23 devnull 	uchar	lport[2];
48 d7094239 2003-11-23 devnull };
49 d7094239 2003-11-23 devnull 
50 d7094239 2003-11-23 devnull uchar*	defmask(uchar*);
51 d7094239 2003-11-23 devnull void	maskip(uchar*, uchar*, uchar*);
52 d7094239 2003-11-23 devnull int	eipconv(va_list*, Fconv*);
53 d7094239 2003-11-23 devnull ulong	parseip(uchar*, char*);
54 d7094239 2003-11-23 devnull ulong	parseipmask(uchar*, char*);
55 d7094239 2003-11-23 devnull int	parseether(uchar*, char*);
56 d7094239 2003-11-23 devnull int	myipaddr(uchar*, char*);
57 d7094239 2003-11-23 devnull int	myetheraddr(uchar*, char*);
58 d7094239 2003-11-23 devnull 
59 d7094239 2003-11-23 devnull void	readipifc(char*, Ipifcs*);
60 d7094239 2003-11-23 devnull 
61 d7094239 2003-11-23 devnull void	hnputl(void*, uint);
62 d7094239 2003-11-23 devnull void	hnputs(void*, ushort);
63 d7094239 2003-11-23 devnull uint	nhgetl(void*);
64 d7094239 2003-11-23 devnull ushort	nhgets(void*);
65 d7094239 2003-11-23 devnull 
66 d7094239 2003-11-23 devnull #define	ipcmp(x, y) memcmp(x, y, IPaddrlen)
67 d7094239 2003-11-23 devnull #define	ipmove(x, y) memmove(x, y, IPaddrlen)
68 d7094239 2003-11-23 devnull 
69 d7094239 2003-11-23 devnull extern uchar IPv4bcast[IPaddrlen];
70 d7094239 2003-11-23 devnull extern uchar IPv4bcastobs[IPaddrlen];
71 d7094239 2003-11-23 devnull extern uchar IPv4allsys[IPaddrlen];
72 d7094239 2003-11-23 devnull extern uchar IPv4allrouter[IPaddrlen];
73 d7094239 2003-11-23 devnull extern uchar IPnoaddr[IPaddrlen];
74 d7094239 2003-11-23 devnull extern uchar v4prefix[IPaddrlen];
75 d7094239 2003-11-23 devnull extern uchar IPallbits[IPaddrlen];
76 d7094239 2003-11-23 devnull 
77 d7094239 2003-11-23 devnull #define CLASS(p) ((*(uchar*)(p))>>6)