diff options
Diffstat (limited to 'rpc/rpc-lib/src/auth-glusterfs.c')
| -rw-r--r-- | rpc/rpc-lib/src/auth-glusterfs.c | 199 |
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 000000000..e248bf142 --- /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; +} |