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/*
Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "rpcsvc.h"
#include "list.h"
#include "dict.h"
#include "xdr-rpc.h"
#include "xdr-common.h"
bool_t
xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp)
{
register int32_t *buf;
int i;
if (xdrs->x_op == XDR_ENCODE) {
if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
return FALSE;
buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT);
if (buf == NULL) {
if (!xdr_u_int (xdrs, &objp->pid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->uid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->gid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->ngrps))
return FALSE;
if (!xdr_vector (xdrs, (char *)objp->groups, 16,
sizeof (u_int), (xdrproc_t) xdr_u_int))
return FALSE;
} else {
IXDR_PUT_U_LONG(buf, objp->pid);
IXDR_PUT_U_LONG(buf, objp->uid);
IXDR_PUT_U_LONG(buf, objp->gid);
IXDR_PUT_U_LONG(buf, objp->ngrps);
{
register u_int *genp;
for (i = 0, genp = objp->groups;
i < 16; ++i) {
IXDR_PUT_U_LONG(buf, *genp++);
}
}
}
return TRUE;
} else if (xdrs->x_op == XDR_DECODE) {
if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
return FALSE;
buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT);
if (buf == NULL) {
if (!xdr_u_int (xdrs, &objp->pid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->uid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->gid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->ngrps))
return FALSE;
if (!xdr_vector (xdrs, (char *)objp->groups, 16,
sizeof (u_int), (xdrproc_t) xdr_u_int))
return FALSE;
} else {
objp->pid = IXDR_GET_U_LONG(buf);
objp->uid = IXDR_GET_U_LONG(buf);
objp->gid = IXDR_GET_U_LONG(buf);
objp->ngrps = IXDR_GET_U_LONG(buf);
{
register u_int *genp;
for (i = 0, genp = objp->groups;
i < 16; ++i) {
*genp++ = IXDR_GET_U_LONG(buf);
}
}
}
return TRUE;
}
if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
return FALSE;
if (!xdr_u_int (xdrs, &objp->pid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->uid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->gid))
return FALSE;
if (!xdr_u_int (xdrs, &objp->ngrps))
return FALSE;
if (!xdr_vector (xdrs, (char *)objp->groups, 16,
sizeof (u_int), (xdrproc_t) xdr_u_int))
return FALSE;
return TRUE;
}
ssize_t
xdr_to_glusterfs_auth (char *buf, struct auth_glusterfs_parms *req)
{
XDR xdr;
ssize_t ret = -1;
if ((!buf) || (!req))
return -1;
xdrmem_create (&xdr, buf, sizeof (struct auth_glusterfs_parms),
XDR_DECODE);
if (!xdr_auth_glusterfs_parms (&xdr, req)) {
ret = -1;
goto ret;
}
ret = (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base));
ret:
return ret;
}
int
auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv)
{
if (!req)
return -1;
memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES);
req->verf.datalen = 0;
req->verf.flavour = AUTH_NULL;
return 0;
}
int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv)
{
int ret = RPCSVC_AUTH_REJECT;
struct auth_glusterfs_parms au = {0,};
int gidcount = 0;
if (!req)
return ret;
ret = xdr_to_glusterfs_auth (req->cred.authdata, &au);
if (ret == -1) {
ret = RPCSVC_AUTH_REJECT;
goto err;
}
req->pid = au.pid;
req->uid = au.uid;
req->gid = au.gid;
req->lk_owner = au.lk_owner;
req->auxgidcount = au.ngrps;
for (gidcount = 0; gidcount < au.ngrps; ++gidcount)
req->auxgids[gidcount] = au.groups[gidcount];
gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d"
", gid: %d, owner: %"PRId64,
req->pid, req->uid, req->gid, req->lk_owner);
ret = RPCSVC_AUTH_ACCEPT;
err:
return ret;
}
rpcsvc_auth_ops_t auth_glusterfs_ops = {
.transport_init = NULL,
.request_init = auth_glusterfs_request_init,
.authenticate = auth_glusterfs_authenticate
};
rpcsvc_auth_t rpcsvc_auth_glusterfs = {
.authname = "AUTH_GLUSTERFS",
.authnum = AUTH_GLUSTERFS,
.authops = &auth_glusterfs_ops,
.authprivate = NULL
};
rpcsvc_auth_t *
rpcsvc_auth_glusterfs_init (rpcsvc_t *svc, dict_t *options)
{
return &rpcsvc_auth_glusterfs;
}
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