2012-06-03 17:15:21 +00:00
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/* packet-gluster_hndsk.c
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* Routines for GlusterFS Handshake dissection
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* Copyright 2012, Niels de Vos <ndevos@redhat.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* References to source files point in general to the glusterfs sources.
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* There is currently no RFC or other document where the protocol is
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* completely described. The glusterfs sources can be found at:
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* - http://git.gluster.com/?p=glusterfs.git
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* - https://github.com/gluster/glusterfs
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*
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* The coding-style is roughly the same as the one use in the Linux kernel,
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* see http://www.kernel.org/doc/Documentation/CodingStyle.
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*/
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2012-09-20 02:03:38 +00:00
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#include "config.h"
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2012-06-03 17:15:21 +00:00
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#include <glib.h>
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2012-07-13 21:59:25 +00:00
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2012-06-03 17:15:21 +00:00
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#include <epan/packet.h>
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#include "packet-rpc.h"
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#include "packet-gluster.h"
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/* Initialize the protocol and registered fields */
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static gint proto_gluster_cbk = -1;
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static gint proto_gluster_hndsk = -1;
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/* programs and procedures */
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static gint hf_gluster_cbk_proc = -1;
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static gint hf_gluster_hndsk_proc = -1;
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static gint hf_gluster_hndsk_dict = -1;
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static gint hf_gluster_hndsk_spec = -1; /* GETSPEC Reply */
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static gint hf_gluster_hndsk_key = -1; /* GETSPEC Call */
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static gint hf_gluster_hndsk_event_op = -1; /* EVENT NOTIFY call */
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static gint hf_gluster_hndsk_uid = -1; /* LOCK VERSION*/
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static gint hf_gluster_hndsk_lk_ver= -1;
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static gint hf_gluster_hndsk_flags = -1;
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/* Initialize the subtree pointers */
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static gint ett_gluster_cbk = -1;
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static gint ett_gluster_hndsk = -1;
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/* procedures for GLUSTER_HNDSK_PROGRAM */
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static int
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gluster_hndsk_setvolume_reply(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree)
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{
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree);
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_setvolume_call(tvbuff_t *tvb, int offset,
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packet_info *pinfo _U_, proto_tree *tree)
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{
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_2_setvolume_reply(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree)
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{
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree);
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_2_setvolume_call(tvbuff_t *tvb, int offset,
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packet_info *pinfo _U_, proto_tree *tree)
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{
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_2_getspec_reply(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree)
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{
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree);
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offset = dissect_rpc_string(tvb, tree, hf_gluster_hndsk_spec, offset,
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2012-12-26 05:57:06 +00:00
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NULL);
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2012-06-03 17:15:21 +00:00
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_2_getspec_call(tvbuff_t *tvb, int offset,
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packet_info *pinfo _U_, proto_tree *tree)
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{
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if (tree)
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proto_tree_add_item(tree, hf_gluster_hndsk_flags, tvb, offset,
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4, ENC_NA);
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offset += 4;
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offset = dissect_rpc_string(tvb, tree, hf_gluster_hndsk_key, offset,
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2012-12-26 05:57:06 +00:00
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NULL);
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2012-06-03 17:15:21 +00:00
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static int
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gluster_hndsk_2_set_lk_ver_reply(tvbuff_t *tvb, int offset, packet_info *pinfo,
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proto_tree *tree)
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{
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree);
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offset = dissect_rpc_uint32(tvb, tree,hf_gluster_hndsk_lk_ver, offset);
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return offset;
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}
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static int
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gluster_hndsk_2_set_lk_ver_call(tvbuff_t *tvb, int offset,
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packet_info *pinfo _U_, proto_tree *tree)
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{
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offset = dissect_rpc_string(tvb, tree, hf_gluster_hndsk_uid, offset,
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2012-12-26 05:57:06 +00:00
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NULL);
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2012-06-03 17:15:21 +00:00
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offset = dissect_rpc_uint32(tvb, tree,hf_gluster_hndsk_lk_ver, offset);
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return offset;
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}
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static int
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gluster_hndsk_2_event_notify_call(tvbuff_t *tvb, int offset,
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packet_info *pinfo _U_, proto_tree *tree)
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{
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offset = dissect_rpc_uint32(tvb, tree, hf_gluster_hndsk_event_op,
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offset);
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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/* In rpc/xdr/src/glusterfs3-xdr.c. xdr_gf_event_notify_rsp */
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static int
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gluster_hndsk_2_event_notify_reply(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree)
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{
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree);
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict,
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offset);
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return offset;
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}
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static const vsff gluster_hndsk_proc[] = {
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2012-07-13 21:59:25 +00:00
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{ GF_HNDSK_NULL, "NULL", NULL, NULL },
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2012-06-03 17:15:21 +00:00
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{
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GF_HNDSK_SETVOLUME, "SETVOLUME",
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gluster_hndsk_setvolume_call, gluster_hndsk_setvolume_reply
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},
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{ GF_HNDSK_GETSPEC, "GETSPEC", NULL, NULL },
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2012-07-13 21:59:25 +00:00
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{ GF_HNDSK_PING, "PING", NULL, gluster_dissect_common_reply },
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2012-06-03 17:15:21 +00:00
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{ 0, NULL, NULL, NULL }
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};
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static const vsff gluster_hndsk_2_proc[] = {
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{ GF_HNDSK_NULL, "NULL", NULL, NULL },
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{
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GF_HNDSK_SETVOLUME, "SETVOLUME",
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gluster_hndsk_2_setvolume_call, gluster_hndsk_2_setvolume_reply
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},
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{
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GF_HNDSK_GETSPEC, "GETSPEC",
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gluster_hndsk_2_getspec_call, gluster_hndsk_2_getspec_reply
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},
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2012-10-08 19:23:50 +00:00
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{ GF_HNDSK_PING, "PING", NULL, glusterfs_gfs3_3_op_common_reply },
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2012-06-03 17:15:21 +00:00
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{
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GF_HNDSK_SET_LK_VER,"LOCK VERSION",
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gluster_hndsk_2_set_lk_ver_call, gluster_hndsk_2_set_lk_ver_reply
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},
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{
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GF_HNDSK_EVENT_NOTIFY, "EVENTNOTIFY",
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gluster_hndsk_2_event_notify_call,
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gluster_hndsk_2_event_notify_reply
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},
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{ 0, NULL, NULL, NULL }
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};
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static const value_string gluster_hndsk_proc_vals[] = {
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2012-07-13 21:59:25 +00:00
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{ GF_HNDSK_NULL, "NULL" },
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{ GF_HNDSK_SETVOLUME, "DUMP" },
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{ GF_HNDSK_GETSPEC, "GETSPEC" },
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{ GF_HNDSK_PING, "PING" },
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{ GF_HNDSK_SET_LK_VER, "LOCK VERSION" },
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2012-06-03 17:15:21 +00:00
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{ GF_HNDSK_EVENT_NOTIFY, "EVENTNOTIFY" },
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{ 0, NULL }
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};
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void
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proto_register_gluster_hndsk(void)
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{
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static hf_register_info hf[] = {
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{ &hf_gluster_hndsk_proc,
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{ "GlusterFS Handshake", "glusterfs.hndsk.proc",
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FT_UINT32, BASE_DEC,
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VALS(gluster_hndsk_proc_vals), 0, NULL, HFILL }
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},
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/* fields used by Gluster Handshake */
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{ &hf_gluster_hndsk_dict,
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{ "Dict", "glusterfs.hndsk.dict", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }
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},
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/* For Gluster handshake event notify */
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{ &hf_gluster_hndsk_event_op,
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{ "Event Op", "glusterfs.hndsk.event_notify_op",
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FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_hndsk_key,
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{ "Key", "glusterfs.hndsk.getspec.key", FT_STRING,
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BASE_NONE, NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_hndsk_spec,
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/* FIXME: rename spec to something clearer */
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{ "Spec", "glusterfs.hndsk.getspec", FT_STRING,
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BASE_NONE, NULL, 0, NULL, HFILL }
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},
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/* For hand shake set_lk_ver */
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{ &hf_gluster_hndsk_uid,
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{ "Name", "glusterfs.hndsk.uid", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_hndsk_lk_ver,
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{ "Event Op", "glusterfs.hndsk.lk_ver", FT_UINT32,
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BASE_DEC, NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_hndsk_flags,
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{ "Flags", "glusterfs.hndsk.flags", FT_UINT32, BASE_OCT,
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NULL, 0, NULL, HFILL }
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}
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_gluster_hndsk
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};
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/* Register the protocol name and description */
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proto_gluster_hndsk = proto_register_protocol("GlusterFS Handshake",
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"GlusterFS Handshake",
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"glusterfs.hndsk");
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proto_register_subtree_array(ett, array_length(ett));
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proto_register_field_array(proto_gluster_hndsk, hf, array_length(hf));
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}
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void
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proto_reg_handoff_gluster_hndsk(void)
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{
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rpc_init_prog(proto_gluster_hndsk, GLUSTER_HNDSK_PROGRAM,
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ett_gluster_hndsk);
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rpc_init_proc_table(GLUSTER_HNDSK_PROGRAM, 1, gluster_hndsk_proc,
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hf_gluster_hndsk_proc);
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rpc_init_proc_table(GLUSTER_HNDSK_PROGRAM, 2, gluster_hndsk_2_proc,
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hf_gluster_hndsk_proc);
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}
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/* Legacy GlusterFS Callback procedures, they don't contain any data. */
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static const vsff gluster_cbk_proc[] = {
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2012-07-13 21:59:25 +00:00
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{ GF_CBK_NULL, "NULL", NULL, NULL },
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2012-06-03 17:15:21 +00:00
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{ GF_CBK_FETCHSPEC, "FETCHSPEC", NULL, NULL },
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{ GF_CBK_INO_FLUSH, "INO_FLUSH", NULL, NULL },
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{ 0, NULL, NULL, NULL }
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};
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static const value_string gluster_cbk_proc_vals[] = {
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2012-07-13 21:59:25 +00:00
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{ GF_CBK_NULL, "NULL" },
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2012-06-03 17:15:21 +00:00
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{ GF_CBK_FETCHSPEC, "FETCHSPEC" },
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{ GF_CBK_INO_FLUSH, "INO_FLUSH" },
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{ 0, NULL }
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};
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void
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proto_register_gluster_cbk(void)
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{
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/* Setup list of header fields See Section 1.6.1 for details */
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static hf_register_info hf[] = {
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/* programs */
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{ &hf_gluster_cbk_proc,
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{ "GlusterFS Callback", "glusterfs.cbk.proc",
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FT_UINT32, BASE_DEC,
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VALS(gluster_cbk_proc_vals), 0, NULL, HFILL }
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}
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_gluster_cbk
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};
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/* Register the protocol name and description */
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proto_gluster_cbk = proto_register_protocol("GlusterFS Callback",
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"GlusterFS Callback", "glusterfs.cbk");
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proto_register_subtree_array(ett, array_length(ett));
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proto_register_field_array(proto_gluster_cbk, hf, array_length(hf));
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}
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void
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proto_reg_handoff_gluster_cbk(void)
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{
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rpc_init_prog(proto_gluster_cbk, GLUSTER_CBK_PROGRAM, ett_gluster_cbk);
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rpc_init_proc_table(GLUSTER_CBK_PROGRAM, 1, gluster_cbk_proc,
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hf_gluster_cbk_proc);
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}
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