1 /* packet-klm.c 2001 Ronnie Sahlberg <See AUTHORS for email>
2 * Routines for klm dissection
4 * $Id: packet-klm.c,v 1.13 2003/08/17 21:34:22 sahlberg Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 #include "packet-rpc.h"
32 #include "packet-nfs.h"
33 #include "packet-klm.h"
35 static int proto_klm = -1;
36 static int hf_klm_procedure_v1 = -1;
37 static int hf_klm_exclusive = -1;
38 static int hf_klm_lock = -1;
39 static int hf_klm_servername = -1;
40 static int hf_klm_pid = -1;
41 static int hf_klm_offset = -1;
42 static int hf_klm_len = -1;
43 static int hf_klm_stats = -1;
44 static int hf_klm_holder = -1;
45 static int hf_klm_block = -1;
47 static gint ett_klm = -1;
48 static gint ett_klm_lock = -1;
49 static gint ett_klm_holder = -1;
51 static const value_string names_klm_stats[] =
54 { KLM_GRANTED, "KLM_GRANTED" },
56 { KLM_DENIED, "KLM_DENIED" },
57 #define KLM_DENIED_NOLOCKS 2
58 { KLM_DENIED_NOLOCKS, "KLM_DENIED_NOLOCKS" },
60 { KLM_WORKING, "KLM_WORKING" },
65 dissect_holder(tvbuff_t *tvb, proto_tree *tree, int offset)
67 proto_item* lock_item = NULL;
68 proto_tree* lock_tree = NULL;
70 lock_item = proto_tree_add_item(tree, hf_klm_holder, tvb,
73 lock_tree = proto_item_add_subtree(lock_item, ett_klm_holder);
75 offset = dissect_rpc_bool( tvb, lock_tree,
76 hf_klm_exclusive, offset);
78 offset = dissect_rpc_uint32(tvb, lock_tree,
81 offset = dissect_rpc_uint32(tvb, lock_tree,
82 hf_klm_offset, offset);
84 offset = dissect_rpc_uint32(tvb, lock_tree,
91 dissect_lock(tvbuff_t *tvb, packet_info* pinfo, proto_tree *tree, int offset)
93 proto_item* lock_item = NULL;
94 proto_tree* lock_tree = NULL;
96 lock_item = proto_tree_add_item(tree, hf_klm_lock, tvb,
99 lock_tree = proto_item_add_subtree(lock_item, ett_klm_lock);
101 offset = dissect_rpc_string(tvb, lock_tree,
102 hf_klm_servername, offset, NULL);
104 offset = dissect_nfs_fh3(tvb, offset, pinfo, lock_tree,"fh", NULL);
106 offset = dissect_rpc_uint32(tvb, lock_tree,
109 offset = dissect_rpc_uint32(tvb, lock_tree,
110 hf_klm_offset, offset);
112 offset = dissect_rpc_uint32(tvb, lock_tree,
119 dissect_klm_unlock_call(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
121 offset = dissect_lock(tvb, pinfo, tree, offset);
127 dissect_klm_stat_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
130 offset = dissect_rpc_uint32(tvb, tree,
131 hf_klm_stats, offset);
137 dissect_klm_lock_call(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
139 offset = dissect_rpc_bool( tvb, tree,
140 hf_klm_block, offset);
142 offset = dissect_rpc_bool( tvb, tree,
143 hf_klm_exclusive, offset);
145 offset = dissect_lock(tvb, pinfo, tree, offset);
151 dissect_klm_test_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
155 stats = tvb_get_ntohl(tvb, offset);
157 offset = dissect_rpc_uint32(tvb, tree,
158 hf_klm_stats, offset);
160 if (stats == KLM_DENIED) {
161 offset = dissect_holder(tvb, tree, offset);
168 dissect_klm_test_call(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
170 offset = dissect_rpc_bool( tvb, tree,
171 hf_klm_exclusive, offset);
173 offset = dissect_lock(tvb, pinfo, tree, offset);
179 /* proc number, "proc name", dissect_request, dissect_reply */
180 /* NULL as function pointer means: type of arguments is "void". */
181 static const vsff klm1_proc[] = {
182 { KLMPROC_TEST, "TEST",
183 dissect_klm_test_call, dissect_klm_test_reply },
184 { KLMPROC_LOCK, "LOCK",
185 dissect_klm_lock_call, dissect_klm_stat_reply },
186 { KLMPROC_CANCEL, "CANCEL",
187 dissect_klm_lock_call, dissect_klm_stat_reply },
188 { KLMPROC_UNLOCK, "UNLOCK",
189 dissect_klm_unlock_call, dissect_klm_stat_reply },
190 { 0, NULL, NULL, NULL }
192 static const value_string klm1_proc_vals[] = {
193 { KLMPROC_TEST, "TEST" },
194 { KLMPROC_LOCK, "LOCK" },
195 { KLMPROC_CANCEL, "CANCEL" },
196 { KLMPROC_UNLOCK, "UNLOCK" },
201 proto_register_klm(void)
203 static struct true_false_string tfs_exclusive = { "Exclusive", "Not exclusive" };
204 static struct true_false_string tfs_block = { "Block", "Do not block" };
206 static hf_register_info hf[] = {
207 { &hf_klm_procedure_v1, {
208 "V1 Procedure", "klm.procedure_v1", FT_UINT32, BASE_DEC,
209 VALS(klm1_proc_vals), 0, "V1 Procedure", HFILL }},
210 { &hf_klm_exclusive, {
211 "exclusive", "klm.exclusive", FT_BOOLEAN, BASE_NONE,
212 &tfs_exclusive, 0, "Exclusive lock", HFILL }},
215 "lock", "klm.lock", FT_NONE, BASE_NONE,
216 NULL, 0, "KLM lock structure", HFILL }},
218 { &hf_klm_servername, {
219 "server name", "klm.servername", FT_STRING, BASE_NONE,
220 NULL, 0, "Server name", HFILL }},
223 "pid", "klm.pid", FT_UINT32, BASE_DEC,
224 NULL, 0, "ProcessID", HFILL }},
227 "offset", "klm.offset", FT_UINT32, BASE_DEC,
228 NULL, 0, "File offset", HFILL }},
231 "length", "klm.len", FT_UINT32, BASE_DEC,
232 NULL, 0, "Length of lock region", HFILL }},
235 "stats", "klm.stats", FT_UINT32, BASE_DEC,
236 VALS(names_klm_stats), 0, "stats", HFILL }},
239 "holder", "klm.holder", FT_NONE, BASE_NONE,
240 NULL, 0, "KLM lock holder", HFILL }},
243 "block", "klm.block", FT_BOOLEAN, BASE_NONE,
244 &tfs_block, 0, "Block", HFILL }},
248 static gint *ett[] = {
254 proto_klm = proto_register_protocol("Kernel Lock Manager",
256 proto_register_field_array(proto_klm, hf, array_length(hf));
257 proto_register_subtree_array(ett, array_length(ett));
261 proto_reg_handoff_klm(void)
263 /* Register the protocol as RPC */
264 rpc_init_prog(proto_klm, KLM_PROGRAM, ett_klm);
265 /* Register the procedure tables */
266 rpc_init_proc_table(KLM_PROGRAM, 1, klm1_proc, hf_klm_procedure_v1);