/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <thread.h>#include <sunrpc.h> uintsunAuthUnixSize(SunAuthUnix *x){	return 4 + sunStringSize(x->sysname) + 4 + 4 + 4 + 4*x->ng;}intsunAuthUnixUnpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x){	int i; 	if(sunUint32Unpack(a, ea, &a, &x->stamp) < 0) goto Err;	if(sunStringUnpack(a, ea, &a, &x->sysname, 256) < 0) goto Err;	if(sunUint32Unpack(a, ea, &a, &x->uid) < 0) goto Err;	if(sunUint32Unpack(a, ea, &a, &x->gid) < 0) goto Err;	if(sunUint32Unpack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err;	for(i=0; i<x->ng; i++)		if(sunUint32Unpack(a, ea, &a, &x->g[i]) < 0) goto Err; 	*pa = a;	return 0; Err:	*pa = ea;	return -1;}intsunAuthUnixPack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x){	int i; 	if(sunUint32Pack(a, ea, &a, &x->stamp) < 0) goto Err;	if(sunStringPack(a, ea, &a, &x->sysname, 256) < 0) goto Err;	if(sunUint32Pack(a, ea, &a, &x->uid) < 0) goto Err;	if(sunUint32Pack(a, ea, &a, &x->gid) < 0) goto Err;	if(sunUint32Pack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err;	for(i=0; i<x->ng; i++)		if(sunUint32Pack(a, ea, &a, &x->g[i]) < 0) goto Err; 	*pa = a;	return 0; Err:	*pa = ea;	return -1;}voidsunAuthUnixPrint(Fmt *fmt, SunAuthUnix *x){	int i;	fmtprint(fmt, "unix %.8lux %s %lud %lud (", (ulong)x->stamp,		x->sysname, (ulong)x->uid, (ulong)x->gid);	for(i=0; i<x->ng; i++)		fmtprint(fmt, "%s%lud", i ? " ":"", (ulong)x->g[i]);	fmtprint(fmt, ")");}