forked from osmocom/wireshark
![Soumya Koduri](/assets/img/avatar_default.png)
As part of Gluster UPCALL infrastructure support, a new rpc CBK procedure has been added to gluster_cbk_actors program in order to send CACHE-INVALIDATION callback requests from the GlusterFS server to its client. This change is to include that procedure to the wireshark dissector. Files containing definitions related to this new RPC procedure added - https://github.com/gluster/glusterfs/blob/master/rpc/rpc-lib/src/protocol-common.h#L129 https://github.com/gluster/glusterfs/blob/master/rpc/xdr/src/glusterfs3-xdr.x#L47 https://github.com/gluster/glusterfs/blob/master/libglusterfs/src/upcall-utils.h bug:11880 Change-Id: I18616b00616c6a612417913373c1b9c900f4972c Signed-off-by: Soumya Koduri <skoduri@redhat.com> Reviewed-on: https://code.wireshark.org/review/12565 Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
452 lines
14 KiB
C
452 lines
14 KiB
C
/* 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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* 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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#include "config.h"
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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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void proto_register_gluster_hndsk(void);
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void proto_reg_handoff_gluster_hndsk(void);
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void proto_register_gluster_cbk(void);
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void proto_reg_handoff_gluster_cbk(void);
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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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/* CBK_CACHE_INVALIDATION */
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static gint hf_gluster_cbk_gfid = -1;
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static gint hf_gluster_cbk_upcall_event_type = -1;
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static gint hf_gluster_cbk_ci_flags = -1;
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static gint hf_gluster_cbk_ci_expire_time_attr = -1;
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static gint hf_gluster_cbk_ci_stat = -1;
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static gint hf_gluster_cbk_ci_parent_stat = -1;
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static gint hf_gluster_cbk_ci_oldparent_stat = -1;
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static gint hf_gluster_cbk_xdata = -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, packet_info *pinfo,
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proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
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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,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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return gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict, 0);
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}
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static int
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gluster_hndsk_2_setvolume_reply(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
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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,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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return gluster_rpc_dissect_dict(tree, tvb, hf_gluster_hndsk_dict, 0);
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}
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static int
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gluster_hndsk_2_getspec_reply(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
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offset = dissect_rpc_string(tvb, tree, hf_gluster_hndsk_spec, offset,
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NULL);
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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,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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proto_tree_add_item(tree, hf_gluster_hndsk_flags, tvb, offset,
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4, ENC_BIG_ENDIAN);
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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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NULL);
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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, packet_info *pinfo,
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proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
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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,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = dissect_rpc_string(tvb, tree, hf_gluster_hndsk_uid, offset,
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NULL);
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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,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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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,
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packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
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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_gfs3_cbk_cache_invalidation_req */
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static int
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gluster_cbk_cache_invalidation_call(tvbuff_t *tvb,
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packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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offset = dissect_rpc_string(tvb, tree, hf_gluster_cbk_gfid, offset, NULL);
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offset = dissect_rpc_uint32(tvb, tree, hf_gluster_cbk_upcall_event_type, offset);
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offset = dissect_rpc_uint32(tvb, tree, hf_gluster_cbk_ci_flags, offset);
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offset = dissect_rpc_uint32(tvb, tree, hf_gluster_cbk_ci_expire_time_attr, offset);
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offset = glusterfs_rpc_dissect_gf_iatt(tree, tvb,
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hf_gluster_cbk_ci_stat, offset);
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offset = glusterfs_rpc_dissect_gf_iatt(tree, tvb,
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hf_gluster_cbk_ci_parent_stat, offset);
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offset = glusterfs_rpc_dissect_gf_iatt(tree, tvb,
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hf_gluster_cbk_ci_oldparent_stat, offset);
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offset = gluster_rpc_dissect_dict(tree, tvb, hf_gluster_cbk_xdata, offset);
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return offset;
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}
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static int
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gluster_hndsk_dissect_common_reply(tvbuff_t *tvb,
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packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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return gluster_dissect_common_reply(tvb, 0, pinfo, tree, data);
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}
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static const vsff gluster_hndsk_proc[] = {
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{
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GF_HNDSK_NULL, "NULL",
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dissect_rpc_void, dissect_rpc_void
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},
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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", dissect_rpc_unknown, dissect_rpc_unknown },
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{
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GF_HNDSK_PING, "PING",
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dissect_rpc_void, gluster_hndsk_dissect_common_reply
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},
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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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{
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GF_HNDSK_NULL, "NULL",
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dissect_rpc_void, dissect_rpc_void
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},
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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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{
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GF_HNDSK_PING, "PING",
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dissect_rpc_void, glusterfs_gfs3_3_op_common_reply
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},
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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 rpc_prog_vers_info gluster_hndsk_vers_info[] = {
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{ 1, gluster_hndsk_proc, &hf_gluster_hndsk_proc },
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{ 2, gluster_hndsk_2_proc, &hf_gluster_hndsk_proc },
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};
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static const value_string gluster_hndsk_proc_vals[] = {
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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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{ 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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G_N_ELEMENTS(gluster_hndsk_vers_info), gluster_hndsk_vers_info);
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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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{ GF_CBK_NULL, "NULL", dissect_rpc_void, dissect_rpc_void },
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{ GF_CBK_FETCHSPEC, "FETCHSPEC", dissect_rpc_unknown, dissect_rpc_unknown },
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{ GF_CBK_INO_FLUSH, "INO_FLUSH", dissect_rpc_unknown, dissect_rpc_unknown },
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{ GF_CBK_EVENT_NOTIFY, "EVENTNOTIFY", dissect_rpc_unknown, dissect_rpc_unknown },
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{ GF_CBK_GET_SNAPS, "GETSNAPS", dissect_rpc_unknown, dissect_rpc_unknown },
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{ GF_CBK_CACHE_INVALIDATION, "CACHE_INVALIDATION",
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gluster_cbk_cache_invalidation_call, dissect_rpc_unknown },
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{ 0, NULL, NULL, NULL }
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};
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static const rpc_prog_vers_info gluster_cbk_vers_info[] = {
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{ 1, gluster_cbk_proc, &hf_gluster_cbk_proc },
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};
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static const value_string gluster_cbk_proc_vals[] = {
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{ GF_CBK_NULL, "NULL" },
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{ GF_CBK_FETCHSPEC, "FETCHSPEC" },
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{ GF_CBK_INO_FLUSH, "INO_FLUSH" },
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{ GF_CBK_EVENT_NOTIFY, "EVENTNOTIFY" },
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{ GF_CBK_GET_SNAPS, "GETSNAPS" },
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{ GF_CBK_CACHE_INVALIDATION, "CACHE_INVALIDATION" },
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{ 0, NULL }
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};
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static const value_string gluster_cbk_upcall_event_type[] = {
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{ GF_UPCALL_EVENT_NULL, "NULL" },
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{ GF_UPCALL_CACHE_INVALIDATION, "CACHE_INVALIDATION" },
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{ 0, NULL }
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};
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static value_string_ext gluster_cbk_upcall_event_type_ext = VALUE_STRING_EXT_INIT(gluster_cbk_upcall_event_type);
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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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{ &hf_gluster_cbk_gfid,
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{ "GFID", "glusterfs.cbk.gfid", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_cbk_upcall_event_type,
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{ "Event Type", "glusterfs.cbk.upcall.event_type", FT_UINT32, BASE_DEC | BASE_EXT_STRING,
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&gluster_cbk_upcall_event_type_ext, 0, NULL, HFILL }
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},
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{ &hf_gluster_cbk_ci_flags,
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{ "Flags", "glusterfs.cbk.cache_invalidation.flags", FT_UINT32, BASE_DEC_HEX,
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NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_cbk_ci_expire_time_attr,
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{ "Expire Time Attr", "glusterfs.cbk.cache_invalidation.expire_time_attr",
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FT_UINT32, BASE_OCT, NULL, 0, NULL, HFILL }
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},
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{ &hf_gluster_cbk_ci_stat,
|
|
{ "Stat", "glusterfs.cbk.cache_invalidation.stat", FT_NONE, BASE_NONE, NULL,
|
|
0, NULL, HFILL }
|
|
},
|
|
{ &hf_gluster_cbk_ci_parent_stat,
|
|
{ "Parent Stat", "glusterfs.cbk.cache_invalidation.parent.stat", FT_NONE, BASE_NONE, NULL,
|
|
0, NULL, HFILL }
|
|
},
|
|
{ &hf_gluster_cbk_ci_oldparent_stat,
|
|
{ "Old Parent Stat", "glusterfs.cbk.cache_invalidation.oldparent.stat",
|
|
FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_gluster_cbk_xdata,
|
|
{ "Xdata", "glusterfs.cbk.xdata", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_gluster_cbk
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_gluster_cbk = proto_register_protocol("GlusterFS Callback",
|
|
"GlusterFS Callback", "glusterfs.cbk");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
proto_register_field_array(proto_gluster_cbk, hf, array_length(hf));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_gluster_cbk(void)
|
|
{
|
|
rpc_init_prog(proto_gluster_cbk, GLUSTER_CBK_PROGRAM, ett_gluster_cbk,
|
|
G_N_ELEMENTS(gluster_cbk_vers_info), gluster_cbk_vers_info);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|