/* packet-gluster_pmap.c * Routines for Gluster Portmapper and Gluster DUMP dissection * Copyright 2012, Niels de Vos * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * * 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 #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 Progam: "); /* 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: */