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/* packet-gluster_pmap.c
* Routines for Gluster Portmapper and Gluster DUMP dissection
* Copyright 2012, Niels de Vos <ndevos@redhat.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
*
* References to source files point in general to the glusterfs sources.
* There is currently no RFC or other document where the protocol is
* completely described. The glusterfs sources can be found at:
* - http://git.gluster.com/?p=glusterfs.git
* - https://github.com/gluster/glusterfs
*
* The coding-style is roughly the same as the one use in the Linux kernel,
* see http://www.kernel.org/doc/Documentation/CodingStyle.
*/
#include "config.h"
#include <epan/packet.h>
#include "packet-rpc.h"
#include "packet-gluster.h"
void proto_register_gluster_pmap(void);
void proto_reg_handoff_gluster_pmap(void);
void proto_register_gluster_dump(void);
void proto_reg_handoff_gluster_dump(void);
/* Initialize the protocol and registered fields */
static gint proto_gluster_pmap = -1;
static gint proto_gluster_dump = -1;
/* programs and procedures */
static gint hf_gluster_pmap_proc = -1;
static gint hf_gluster_dump_proc = -1;
/* fields used by multiple programs/procedures */
static gint hf_gluster_brick = -1;
static gint hf_gluster_brick_status = -1;
static gint hf_gluster_brick_port = -1;
static gint hf_gluster_gfsid = -1;
static gint hf_gluster_progname = -1;
static gint hf_gluster_prognum = -1;
static gint hf_gluster_progver = -1;
/* Initialize the subtree pointers */
static gint ett_gluster_pmap = -1;
static gint ett_gluster_dump = -1;
static gint ett_gluster_dump_detail = -1;
/* PMAP PORTBYBRICK */
static int
gluster_pmap_portbybrick_reply(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree, void* data)
{
int offset = 0;
offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
offset = dissect_rpc_uint32(tvb, tree, hf_gluster_brick_status, offset);
offset = dissect_rpc_uint32(tvb, tree, hf_gluster_brick_port, offset);
return offset;
}
static int
gluster_pmap_portbybrick_call(tvbuff_t *tvb,
packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
{
return dissect_rpc_string(tvb, tree, hf_gluster_brick, 0, NULL);
}
/* Based on rpc/rpc-lib/src/rpc-common.c, but xdr encoding/decoding is broken.
* The structure in rpc/rpc-lib/src/xdr-common.h lists 2x unit64_t, but to
* encode/decode, xdr_u_quad_t() is used (which is uint32_t).
*/
static int
gluster_dump_reply_detail(tvbuff_t *tvb, int offset, packet_info *pinfo _U_,
proto_tree *tree, void* data _U_)
{
proto_item *detail_item;
proto_tree *detail_tree;
const gchar *progname = NULL;
detail_tree = proto_tree_add_subtree(tree, tvb, offset, -1,
ett_gluster_dump_detail, &detail_item, "Available Program: ");
/* progname */
offset = dissect_rpc_string(tvb, detail_tree, hf_gluster_progname,
offset, &progname);
proto_item_append_text(detail_item, "%s", progname);
/* prognumber (marked as uint64) */
offset = dissect_rpc_uint64(tvb, detail_tree, hf_gluster_prognum,
offset);
/* progversion (marked as uint64) */
offset = dissect_rpc_uint64(tvb, detail_tree, hf_gluster_progver,
offset);
return offset;
}
static int
gluster_dump_reply(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree, void* data)
{
int offset = 0;
offset = dissect_rpc_uint64(tvb, tree, hf_gluster_gfsid, offset);
offset = gluster_dissect_common_reply(tvb, offset, pinfo, tree, data);
offset = dissect_rpc_list(tvb, pinfo, tree, offset,
gluster_dump_reply_detail, NULL);
return offset;
}
/* DUMP request */
static int
gluster_dump_call(tvbuff_t *tvb, packet_info *pinfo _U_,
proto_tree *tree, void* data _U_)
{
return dissect_rpc_uint64(tvb, tree, hf_gluster_gfsid, 0);
}
/* GLUSTER_PMAP_PROGRAM from xlators/mgmt/glusterd/src/glusterd-pmap.c */
static const vsff gluster_pmap_proc[] = {
{
GF_PMAP_NULL, "NULL",
dissect_rpc_void, dissect_rpc_void
},
{
GF_PMAP_PORTBYBRICK, "PORTBYBRICK",
gluster_pmap_portbybrick_call, gluster_pmap_portbybrick_reply
},
{ GF_PMAP_BRICKBYPORT, "BRICKBYPORT", dissect_rpc_unknown, dissect_rpc_unknown },
{ GF_PMAP_SIGNIN, "SIGNIN", dissect_rpc_unknown, dissect_rpc_unknown },
{ GF_PMAP_SIGNOUT, "SIGNOUT", dissect_rpc_unknown, dissect_rpc_unknown },
{ GF_PMAP_SIGNUP, "SIGNUP", dissect_rpc_unknown, dissect_rpc_unknown },
{ 0, NULL, NULL, NULL }
};
static const value_string gluster_pmap_proc_vals[] = {
{ GF_PMAP_NULL, "NULL" },
{ GF_PMAP_PORTBYBRICK, "PORTBYBRICK" },
{ GF_PMAP_BRICKBYPORT, "BRICKBYPORT" },
{ GF_PMAP_SIGNIN, "SIGNIN" },
{ GF_PMAP_SIGNOUT, "SIGNOUT" },
{ GF_PMAP_SIGNUP, "SIGNUP" },
{ 0, NULL }
};
static const rpc_prog_vers_info gluster_pmap_vers_info[] = {
{ 1, gluster_pmap_proc, &hf_gluster_pmap_proc }
};
/* procedures for GLUSTER_DUMP_PROGRAM */
static const vsff gluster_dump_proc[] = {
{ 0, "NULL", dissect_rpc_void, dissect_rpc_void },
{ GF_DUMP_DUMP, "DUMP", gluster_dump_call, gluster_dump_reply },
{ 0, NULL, NULL, NULL }
};
static const value_string gluster_dump_proc_vals[] = {
{ 0, "NULL" },
{ GF_DUMP_DUMP, "DUMP" },
{ 0, NULL }
};
static const rpc_prog_vers_info gluster_dump_vers_info[] = {
{ 1, gluster_dump_proc, &hf_gluster_dump_proc }
};
void
proto_register_gluster_pmap(void)
{
/* Setup list of header fields See Section 1.6.1 for details */
static hf_register_info hf[] = {
/* programs */
{ &hf_gluster_pmap_proc,
{ "Gluster Portmap", "gluster.pmap.proc", FT_UINT32,
BASE_DEC, VALS(gluster_pmap_proc_vals), 0,
NULL, HFILL }
},
{ &hf_gluster_brick,
{ "Brick", "gluster.brick", FT_STRINGZ, BASE_NONE,
NULL, 0, NULL, HFILL }
},
{ &hf_gluster_brick_status,
{ "Status", "gluster.brick.status", FT_INT32, BASE_DEC,
NULL, 0, NULL, HFILL }
},
{ &hf_gluster_brick_port,
{ "Port", "gluster.brick.port", FT_INT32, BASE_DEC,
NULL, 0, NULL, HFILL }
}
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_gluster_pmap
};
proto_gluster_pmap = proto_register_protocol("Gluster Portmap",
"Gluster Portmap", "gluster.pmap");
proto_register_subtree_array(ett, array_length(ett));
proto_register_field_array(proto_gluster_pmap, hf, array_length(hf));
}
void
proto_reg_handoff_gluster_pmap(void)
{
rpc_init_prog(proto_gluster_pmap, GLUSTER_PMAP_PROGRAM,
ett_gluster_pmap,
G_N_ELEMENTS(gluster_pmap_vers_info), gluster_pmap_vers_info);
}
void
proto_register_gluster_dump(void)
{
/* Setup list of header fields See Section 1.6.1 for details */
static hf_register_info hf[] = {
/* programs */
{ &hf_gluster_dump_proc,
{ "Gluster DUMP", "gluster.dump.proc", FT_UINT32,
BASE_DEC, VALS(gluster_dump_proc_vals), 0,
NULL, HFILL }
},
{ &hf_gluster_progname,
{ "Program Name", "gluster.dump.progname", FT_STRING,
BASE_NONE, NULL, 0, NULL, HFILL }
},
{ &hf_gluster_prognum,
{ "Program Number", "gluster.dump.prognum",
FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }
},
{ &hf_gluster_progver,
{ "Program Version", "gluster.dump.progver",
FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }
},
{ &hf_gluster_gfsid,
{ "GFS ID", "gluster.gfsid", FT_UINT64, BASE_HEX, NULL,
0, NULL, HFILL }
}
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_gluster_dump,
&ett_gluster_dump_detail
};
proto_gluster_dump = proto_register_protocol("Gluster Dump",
"Gluster Dump", "gluster.dump");
proto_register_subtree_array(ett, array_length(ett));
proto_register_field_array(proto_gluster_dump, hf, array_length(hf));
}
void
proto_reg_handoff_gluster_dump(void)
{
rpc_init_prog(proto_gluster_dump, GLUSTER_DUMP_PROGRAM,
ett_gluster_dump,
G_N_ELEMENTS(gluster_dump_vers_info), gluster_dump_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:
*/
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