mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/* $NetBSD: authunix_prot.c,v 1.12 2000/01/22 22:19:17 mycroft Exp $ */
|
|
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char *sccsid2 = "@(#)authunix_prot.c 1.15 87/08/11 Copyr 1984 Sun Micro";
|
|
static char *sccsid = "@(#)authunix_prot.c 2.1 88/07/29 4.0 RPCSRC";
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* authunix_prot.c
|
|
* XDR for UNIX style authentication parameters for RPC
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/ucred.h>
|
|
|
|
#include <rpc/types.h>
|
|
#include <rpc/xdr.h>
|
|
#include <rpc/auth.h>
|
|
|
|
#include <rpc/rpc_com.h>
|
|
|
|
/* gids compose part of a credential; there may not be more than 16 of them */
|
|
#define NGRPS 16
|
|
|
|
/*
|
|
* XDR for unix authentication parameters.
|
|
*/
|
|
bool_t
|
|
xdr_authunix_parms(XDR *xdrs, uint32_t *time, struct xucred *cred)
|
|
{
|
|
uint32_t namelen;
|
|
uint32_t ngroups, i;
|
|
uint32_t junk;
|
|
|
|
if (xdrs->x_op == XDR_ENCODE) {
|
|
namelen = strlen(hostname);
|
|
} else {
|
|
namelen = 0;
|
|
}
|
|
junk = 0;
|
|
|
|
if (!xdr_uint32_t(xdrs, time)
|
|
|| !xdr_uint32_t(xdrs, &namelen))
|
|
return (FALSE);
|
|
|
|
/*
|
|
* Ignore the hostname on decode.
|
|
*/
|
|
if (xdrs->x_op == XDR_ENCODE) {
|
|
if (!xdr_opaque(xdrs, hostname, namelen))
|
|
return (FALSE);
|
|
} else {
|
|
xdr_setpos(xdrs, xdr_getpos(xdrs) + RNDUP(namelen));
|
|
}
|
|
|
|
if (!xdr_uint32_t(xdrs, &cred->cr_uid))
|
|
return (FALSE);
|
|
if (!xdr_uint32_t(xdrs, &cred->cr_groups[0]))
|
|
return (FALSE);
|
|
|
|
if (xdrs->x_op == XDR_ENCODE) {
|
|
ngroups = cred->cr_ngroups - 1;
|
|
if (ngroups > NGRPS)
|
|
ngroups = NGRPS;
|
|
}
|
|
|
|
if (!xdr_uint32_t(xdrs, &ngroups))
|
|
return (FALSE);
|
|
for (i = 0; i < ngroups; i++) {
|
|
if (i + 1 < NGROUPS) {
|
|
if (!xdr_uint32_t(xdrs, &cred->cr_groups[i + 1]))
|
|
return (FALSE);
|
|
} else {
|
|
if (!xdr_uint32_t(xdrs, &junk))
|
|
return (FALSE);
|
|
}
|
|
}
|
|
|
|
if (xdrs->x_op == XDR_DECODE) {
|
|
if (ngroups + 1 > NGROUPS)
|
|
cred->cr_ngroups = NGROUPS;
|
|
else
|
|
cred->cr_ngroups = ngroups + 1;
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|