summaryrefslogtreecommitdiffstats
path: root/rpc/rpc-lib/src/auth-glusterfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'rpc/rpc-lib/src/auth-glusterfs.c')
-rw-r--r--rpc/rpc-lib/src/auth-glusterfs.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/rpc/rpc-lib/src/auth-glusterfs.c b/rpc/rpc-lib/src/auth-glusterfs.c
new file mode 100644
index 00000000000..e248bf142aa
--- /dev/null
+++ b/rpc/rpc-lib/src/auth-glusterfs.c
@@ -0,0 +1,199 @@
+/*
+ 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 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU 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,};
+
+ 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;
+
+ 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 = {
+ .conn_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;
+}