4.3BSD-UWisc/src/sys/rpc/authunix_prot.c

#ifndef lint
static char rcs_id[] =
	{"$Header: authunix_prot.c,v 1.1 86/09/05 09:16:00 tadl Exp $"};
#endif not lint
/*
 * RCS Info
 *	$Locker: tadl $
 */
/* NFSSRC @(#)authunix_prot.c	2.2 86/04/14 */
#ifndef lint
static char sccsid[] = "@(#)authunix_prot.c 1.1 86/02/03 Copyr 1984 Sun Micro";
#endif

/*
 * authunix_prot.c
 * XDR for UNIX style authentication parameters for RPC
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */

#ifdef KERNEL
#include "../h/param.h"
#include "../h/systm.h"
#include "../h/user.h"
#include "../h/kernel.h"
#include "../h/proc.h"
#include "../rpc/types.h"
#include "../rpc/xdr.h"
#include "../rpc/auth.h"
#include "../rpc/auth_unix.h"
#else
#include "types.h"	/* <> */
#include "xdr.h"	/* <> */
#include "auth.h"	/* <> */
#include "auth_unix.h"	/* <> */
#endif

/*
 * XDR for unix authentication parameters.
 */
bool_t
xdr_authunix_parms(xdrs, p)
	register XDR *xdrs;
	register struct authunix_parms *p;
{

	if (xdr_u_long(xdrs, &(p->aup_time))
	    && xdr_string(xdrs, &(p->aup_machname), MAX_MACHINE_NAME)
	    && xdr_u_short(xdrs, &(p->aup_uid))
	    && xdr_u_short(xdrs, &(p->aup_gid))
	    && xdr_array(xdrs, (caddr_t *)&(p->aup_gids),
		    &(p->aup_len), NGRPS, sizeof(short), xdr_u_short) ) {
		return (TRUE);
	}
	return (FALSE);
}

#ifdef KERNEL
/*
 * XDR kernel unix auth parameters.
 * Goes out of the u struct directly.
 * NOTE: this is an XDR_ENCODE only routine.
 */
xdr_authkern(xdrs)
	register XDR *xdrs;
{
	gid_t	*gp;
	uid_t	 uid = u.u_uid;
	gid_t	 gid = u.u_gid;
	int	 len;
	caddr_t	groups;
	char	*name = hostname;

	if (xdrs->x_op != XDR_ENCODE) {
		return (FALSE);
	}

	for (gp = &u.u_groups[NGRPS]; gp > u.u_groups; gp--) {
		if (gp[-1] == 0) {
			break;
		}
	}
	len = gp - u.u_groups;
	groups = (caddr_t)u.u_groups;
        if (xdr_u_long(xdrs, (u_long *)&time.tv_sec)
            && xdr_string(xdrs, &name, MAX_MACHINE_NAME)
            && xdr_u_short(xdrs, &uid)
            && xdr_u_short(xdrs, &gid)
	    && xdr_array(xdrs, &groups, (u_int *)&len, NGRPS, sizeof (short), xdr_u_short) ) {
                return (TRUE);
	}
	return (FALSE);
}
#endif