1 #include <u.h>
2 #include <libc.h>
3 #include <thread.h>
4 #include <sunrpc.h>
5 
6 uint
7 sunauthunixsize(SunAuthUnix *x)
8 {
9 	return 4 + sunstringsize(x->sysname) + 4 + 4 + 4 + 4*x->ng;
10 }
11 int
12 sunauthunixunpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x)
13 {
14 	int i;
15 
16 	if(sunuint32unpack(a, ea, &a, &x->stamp) < 0) goto Err;
17 	if(sunstringunpack(a, ea, &a, &x->sysname, 256) < 0) goto Err;
18 	if(sunuint32unpack(a, ea, &a, &x->uid) < 0) goto Err;
19 	if(sunuint32unpack(a, ea, &a, &x->gid) < 0) goto Err;
20 	if(sunuint32unpack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err;
21 	for(i=0; i<x->ng; i++)
22 		if(sunuint32unpack(a, ea, &a, &x->g[i]) < 0) goto Err;
23 
24 	*pa = a;
25 	return 0;
26 
27 Err:
28 	*pa = ea;
29 	return -1;
30 }
31 int
32 sunauthunixpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x)
33 {
34 	int i;
35 
36 	if(sunuint32pack(a, ea, &a, &x->stamp) < 0) goto Err;
37 	if(sunstringpack(a, ea, &a, &x->sysname, 256) < 0) goto Err;
38 	if(sunuint32pack(a, ea, &a, &x->uid) < 0) goto Err;
39 	if(sunuint32pack(a, ea, &a, &x->gid) < 0) goto Err;
40 	if(sunuint32pack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err;
41 	for(i=0; i<x->ng; i++)
42 		if(sunuint32pack(a, ea, &a, &x->g[i]) < 0) goto Err;
43 
44 	*pa = a;
45 	return 0;
46 
47 Err:
48 	*pa = ea;
49 	return -1;
50 }
51 void
52 sunauthunixprint(Fmt *fmt, SunAuthUnix *x)
53 {
54 	int i;
55 	fmtprint(fmt, "unix %.8lux %s %lud %lud (", (ulong)x->stamp,
56 		x->sysname, (ulong)x->uid, (ulong)x->gid);
57 	for(i=0; i<x->ng; i++)
58 		fmtprint(fmt, "%s%lud", i ? " ":"", (ulong)x->g[i]);
59 	fmtprint(fmt, ")");
60 }