/* packet-nlm.c
* Routines for nlm dissection
*
- * $Id: packet-nlm.c,v 1.1 1999/11/15 14:17:19 nneul Exp $
+ * $Id: packet-nlm.c,v 1.9 2000/08/14 11:36:02 girlich Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@unicom.net>
+ * By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-mount.c
#include "packet-rpc.h"
+#include "packet-nfs.h"
#include "packet-nlm.h"
+/*
+ * NFS Lock Manager protocol specs can only be found in actual
+ * implementations or in the nice book:
+ * Brent Callaghan: "NFS Illustrated", Addison-Wesley, ISBN 0-201-32570-5
+ * which I use here as reference (BC).
+ */
static int proto_nlm = -1;
+static int hf_nlm_cookie = -1;
+static int hf_nlm_block = -1;
+static int hf_nlm_exclusive = -1;
+static int hf_nlm_lock = -1;
+static int hf_nlm_lock_caller_name = -1;
+static int hf_nlm_lock_owner = -1;
+static int hf_nlm_lock_svid = -1;
+static int hf_nlm_lock_l_offset = -1;
+static int hf_nlm_lock_l_len = -1;
+static int hf_nlm_reclaim = -1;
+static int hf_nlm_state = -1;
+
+static gint ett_nlm = -1;
+static gint ett_nlm_lock = -1;
+
+
+const value_string names_nlm_state[] =
+{
+ /* NLM_GRANTED is the function number 5 and the state code 0.
+ * So we use for the state the postfix _S.
+ */
+#define NLM_GRANTED_S 0
+ { NLM_GRANTED_S, "NLM_GRANTED" },
+#define NLM_DENIED 1
+ { NLM_DENIED, "NLM_DENIED" },
+#define NLM_DENIED_NOLOCKS 2
+ { NLM_DENIED_NOLOCKS, "NLM_DENIED_NOLOCKS" },
+#define NLM_BLOCKED 3
+ { NLM_BLOCKED, "NLM_BLOCKED" },
+#define NLM_DENIED_GRACE_PERIOD 4
+ { NLM_DENIED_GRACE_PERIOD, "NLM_DENIED_GRACE_PERIOD" },
+#define NLM_DEADLCK 5
+ { NLM_DEADLCK, "NLM_DEADLCK" },
+#define NLM_ROFS 6
+ { NLM_ROFS, "NLM_ROFS" },
+#define NLM_STALE_FH 7
+ { NLM_STALE_FH, "NLM_STALE_FH" },
+#define NLM_BIG 8
+ { NLM_BIG, "NLM_BIG" },
+#define NLM_FAILED 9
+ { NLM_FAILED, "NLM_FAILED" },
+ { 0, NULL }
+};
+
+
+/* generic dissecting functions */
+
+static int
+dissect_nlm_lock(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int version, int offset)
+{
+ proto_item* lock_item = NULL;
+ proto_tree* lock_tree = NULL;
+ const guint8 *pd;
+ int compat_offset;
+
+ tvb_compat(tvb, &pd, &compat_offset);
+
+ if (tree) {
+ lock_item = proto_tree_add_item(tree, hf_nlm_lock, tvb,
+ offset, tvb_length_remaining(tvb, offset), FALSE);
+ if (lock_item)
+ lock_tree = proto_item_add_subtree(lock_item, ett_nlm_lock);
+ }
+
+ offset = dissect_rpc_string_tvb(tvb,pinfo,lock_tree,
+ hf_nlm_lock_caller_name, offset, NULL);
+ offset = dissect_nfs_fh3(pd, compat_offset+offset, pinfo->fd, lock_tree,"fh") - compat_offset;
+
+ offset = dissect_rpc_data_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_owner, offset);
+
+ offset = dissect_rpc_uint32_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_svid, offset);
+
+ if (version == 4) {
+ offset = dissect_rpc_uint64_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_l_offset, offset);
+ offset = dissect_rpc_uint64_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_l_len, offset);
+ }
+ else {
+ offset = dissect_rpc_uint32_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_l_offset, offset);
+ offset = dissect_rpc_uint32_tvb(tvb, pinfo, lock_tree, hf_nlm_lock_l_len, offset);
+ }
+
+ return offset;
+}
+
+
+/* RPC functions */
+
+#if 0
+static int
+dissect_nlm1_lock_call(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+#else
+int
+dissect_nlm1_lock_call(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
+{
+ tvbuff_t *tvb = tvb_create_from_top(offset);
+ packet_info *pinfo = π
+#endif
+ int noffset;
+
+ noffset = dissect_rpc_data_tvb(tvb, pinfo, tree, hf_nlm_cookie, 0);
+ noffset = dissect_rpc_bool_tvb(tvb, pinfo, tree, hf_nlm_block, noffset);
+ noffset = dissect_rpc_bool_tvb(tvb, pinfo, tree, hf_nlm_exclusive, noffset);
+ noffset = dissect_nlm_lock(tvb, pinfo, tree, 1, noffset);
+ noffset = dissect_rpc_bool_tvb(tvb, pinfo, tree, hf_nlm_reclaim, noffset);
+ noffset = dissect_rpc_uint32_tvb(tvb, pinfo, tree, hf_nlm_state, noffset);
+ return tvb_raw_offset(tvb) + noffset;
+}
+
+
+#if 0
+static int
+dissect_nlm1_unlock_call(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+#else
+int
+dissect_nlm1_unlock_call(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
+{
+ tvbuff_t *tvb = tvb_create_from_top(offset);
+ packet_info *pinfo = π
+#endif
+ int noffset;
+
+ noffset = dissect_rpc_data_tvb(tvb, pinfo, tree, hf_nlm_cookie, 0);
+ noffset = dissect_nlm_lock(tvb, pinfo, tree, 1, noffset);
+ return tvb_raw_offset(tvb) + noffset;
+}
+
+
+#if 0
+static int
+dissect_nlm1_gen_reply(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+#else
+int
+dissect_nlm1_gen_reply(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
+{
+ tvbuff_t *tvb = tvb_create_from_top(offset);
+ packet_info *pinfo = π
+#endif
+ int noffset;
+
+ noffset = dissect_rpc_data_tvb(tvb, pinfo, tree, hf_nlm_cookie, 0);
+ noffset = dissect_rpc_uint32_tvb(tvb, pinfo, tree, hf_nlm_state, noffset);
+ return tvb_raw_offset(tvb) + noffset;
+}
+
/* proc number, "proc name", dissect_request, dissect_reply */
/* NULL as function pointer means: take the generic one. */
+/* NLM protocol version 1 */
+const vsff nlm1_proc[] = {
+ { NLM_NULL, "NULL", /* OK */
+ NULL, NULL },
+ { NLM_TEST, "TEST",
+ NULL, NULL },
+ { NLM_LOCK, "LOCK", /* OK */
+ dissect_nlm1_lock_call, dissect_nlm1_gen_reply },
+ { NLM_CANCEL, "CANCEL",
+ NULL, dissect_nlm1_gen_reply },
+ { NLM_UNLOCK, "UNLOCK", /* OK */
+ dissect_nlm1_unlock_call, dissect_nlm1_gen_reply },
+ { NLM_GRANTED, "GRANTED",
+ NULL, NULL },
+ { NLM_TEST_MSG, "TEST_MSG",
+ NULL, NULL },
+ { NLM_LOCK_MSG, "LOCK_MSG", /* OK */
+ dissect_nlm1_lock_call, NULL },
+ { NLM_CANCEL_MSG, "CANCEL_MSG",
+ NULL, NULL },
+ { NLM_UNLOCK_MSG, "UNLOCK_MSG", /* OK */
+ dissect_nlm1_unlock_call, NULL },
+ { NLM_GRANTED_MSG, "GRANTED_MSG",
+ NULL, dissect_nlm1_gen_reply },
+ { NLM_TEST_RES, "TEST_RES",
+ NULL, NULL },
+ { NLM_LOCK_RES, "LOCK_RES", /* OK */
+ dissect_nlm1_gen_reply, NULL },
+ { NLM_CANCEL_RES, "CANCEL_RES", /* OK */
+ dissect_nlm1_gen_reply, NULL },
+ { NLM_UNLOCK_RES, "UNLOCK_RES", /* OK */
+ dissect_nlm1_gen_reply, NULL },
+ { NLM_GRANTED_RES, "GRANTED_RES", /* OK */
+ dissect_nlm1_gen_reply, NULL },
+ { 0, NULL, NULL, NULL }
+};
+/* end of NLM protocol version 1 */
+
+/* NLM protocol version 2 */
+const vsff nlm2_proc[] = {
+ { NLM_NULL, "NULL", NULL, NULL },
+ { NLM_TEST, "TEST", NULL, NULL },
+ { NLM_LOCK, "LOCK", NULL, NULL },
+ { NLM_CANCEL, "CANCEL", NULL, NULL },
+ { NLM_UNLOCK, "UNLOCK", NULL, NULL },
+ { NLM_GRANTED, "GRANTED", NULL, NULL },
+ { NLM_TEST_MSG, "TEST_MSG", NULL, NULL },
+ { NLM_LOCK_MSG, "LOCK_MSG", NULL, NULL },
+ { NLM_CANCEL_MSG, "CANCEL_MSG", NULL, NULL },
+ { NLM_UNLOCK_MSG, "UNLOCK_MSG", NULL, NULL },
+ { NLM_GRANTED_MSG, "GRANTED_MSG", NULL, NULL },
+ { NLM_TEST_RES, "TEST_RES", NULL, NULL },
+ { NLM_LOCK_RES, "LOCK_RES", NULL, NULL },
+ { NLM_CANCEL_RES, "CANCEL_RES", NULL, NULL },
+ { NLM_UNLOCK_RES, "UNLOCK_RES", NULL, NULL },
+ { NLM_GRANTED_RES, "GRANTED_RES", NULL, NULL },
+ { 0, NULL, NULL, NULL }
+};
+/* end of NLM protocol version 2 */
+
/* NLM protocol version 3 */
const vsff nlm3_proc[] = {
- { 0, "NULL", NULL, NULL },
- { 1, "TEST", NULL, NULL },
- { 2, "LOCK", NULL, NULL },
- { 3, "CANCEL", NULL, NULL },
- { 4, "UNLOCK", NULL, NULL },
- { 5, "GRANTED", NULL, NULL },
- { 6, "TEST_MSG", NULL, NULL },
- { 7, "LOCK_MSG", NULL, NULL },
- { 8, "CANCEL_MSG", NULL, NULL },
- { 9, "UNLOCK_MSG", NULL, NULL },
- { 10, "GRANTED_MSG", NULL, NULL },
- { 11, "TEST_RES", NULL, NULL },
- { 12, "LOCK_RES", NULL, NULL },
- { 13, "CANCEL_RES", NULL, NULL },
- { 14, "UNLOCK_RES", NULL, NULL },
- { 15, "GRANTED_RES", NULL, NULL },
- { 20, "SHARE", NULL, NULL },
- { 21, "UNSHARE", NULL, NULL },
- { 22, "NM_LOCK", NULL, NULL },
- { 23, "FREE_ALL", NULL, NULL },
- { 0, NULL, NULL, NULL }
+ { NLM_NULL, "NULL", NULL, NULL },
+ { NLM_TEST, "TEST", NULL, NULL },
+ { NLM_LOCK, "LOCK", NULL, NULL },
+ { NLM_CANCEL, "CANCEL", NULL, NULL },
+ { NLM_UNLOCK, "UNLOCK", NULL, NULL },
+ { NLM_GRANTED, "GRANTED", NULL, NULL },
+ { NLM_TEST_MSG, "TEST_MSG", NULL, NULL },
+ { NLM_LOCK_MSG, "LOCK_MSG", NULL, NULL },
+ { NLM_CANCEL_MSG, "CANCEL_MSG", NULL, NULL },
+ { NLM_UNLOCK_MSG, "UNLOCK_MSG", NULL, NULL },
+ { NLM_GRANTED_MSG, "GRANTED_MSG", NULL, NULL },
+ { NLM_TEST_RES, "TEST_RES", NULL, NULL },
+ { NLM_LOCK_RES, "LOCK_RES", NULL, NULL },
+ { NLM_CANCEL_RES, "CANCEL_RES", NULL, NULL },
+ { NLM_UNLOCK_RES, "UNLOCK_RES", NULL, NULL },
+ { NLM_GRANTED_RES, "GRANTED_RES", NULL, NULL },
+ { NLM_SHARE, "SHARE", NULL, NULL },
+ { NLM_UNSHARE, "UNSHARE", NULL, NULL },
+ { NLM_NM_LOCK, "NM_LOCK", NULL, NULL },
+ { NLM_FREE_ALL, "FREE_ALL", NULL, NULL },
+ { 0, NULL, NULL, NULL }
};
/* end of NLM protocol version 3 */
+#if 0
+static int
+dissect_nlm4_test_call(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+#else
+int
+dissect_nlm4_test_call(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
+{
+ tvbuff_t *tvb = tvb_create_from_top(offset);
+ packet_info *pinfo = π
+#endif
+ int noffset;
+
+ noffset = dissect_rpc_data_tvb(tvb, pinfo, tree, hf_nlm_cookie, 0);
+ dissect_rpc_bool_tvb(tvb, pinfo, tree, hf_nlm_exclusive, noffset);
+ noffset += 4;
+ noffset = dissect_nlm_lock(tvb, pinfo, tree, 4, noffset);
+
+ return tvb_raw_offset(tvb) + noffset;
+}
+
+
+/* NLM protocol version 4 */
+const vsff nlm4_proc[] = {
+ { NLM_NULL, "NULL", NULL, NULL },
+ { NLM_TEST, "TEST", dissect_nlm4_test_call, NULL },
+ { NLM_LOCK, "LOCK", NULL, NULL },
+ { NLM_CANCEL, "CANCEL", NULL, NULL },
+ { NLM_UNLOCK, "UNLOCK", NULL, NULL },
+ { NLM_GRANTED, "GRANTED", NULL, NULL },
+ { NLM_TEST_MSG, "TEST_MSG", NULL, NULL },
+ { NLM_LOCK_MSG, "LOCK_MSG", NULL, NULL },
+ { NLM_CANCEL_MSG, "CANCEL_MSG", NULL, NULL },
+ { NLM_UNLOCK_MSG, "UNLOCK_MSG", NULL, NULL },
+ { NLM_GRANTED_MSG, "GRANTED_MSG", NULL, NULL },
+ { NLM_TEST_RES, "TEST_RES", NULL, NULL },
+ { NLM_LOCK_RES, "LOCK_RES", NULL, NULL },
+ { NLM_CANCEL_RES, "CANCEL_RES", NULL, NULL },
+ { NLM_UNLOCK_RES, "UNLOCK_RES", NULL, NULL },
+ { NLM_GRANTED_RES, "GRANTED_RES", NULL, NULL },
+ { NLM_SHARE, "SHARE", NULL, NULL },
+ { NLM_UNSHARE, "UNSHARE", NULL, NULL },
+ { NLM_NM_LOCK, "NM_LOCK", NULL, NULL },
+ { NLM_FREE_ALL, "FREE_ALL", NULL, NULL },
+ { 0, NULL, NULL, NULL }
+};
+/* end of NLM protocol version 4 */
+
+
+static struct true_false_string yesno = { "Yes", "No" };
+
+
void
proto_register_nlm(void)
{
- proto_nlm = proto_register_protocol("Network Lock Manager Protocol", "NLM");
+ static hf_register_info hf[] = {
+ { &hf_nlm_cookie, {
+ "cookie", "nlm.cookie", FT_STRING, BASE_DEC,
+ NULL, 0, "cookie" }},
+ { &hf_nlm_block, {
+ "block", "nlm.block", FT_BOOLEAN, BASE_NONE,
+ &yesno, 0, "block" }},
+ { &hf_nlm_exclusive, {
+ "exclusive", "nlm.exclusive", FT_BOOLEAN, BASE_NONE,
+ &yesno, 0, "exclusive" }},
+ { &hf_nlm_lock, {
+ "lock", "nlm.lock", FT_NONE, 0,
+ NULL, 0, "lock" }},
+ { &hf_nlm_lock_caller_name, {
+ "caller_name", "nlm.lock.caller_name", FT_STRING, BASE_NONE,
+ NULL, 0, "caller_name" }},
+ { &hf_nlm_lock_owner, {
+ "owner", "nlm.lock.owner", FT_STRING, BASE_DEC,
+ NULL, 0, "owner" }},
+ { &hf_nlm_lock_svid, {
+ "svid", "nlm.lock.svid", FT_UINT32, BASE_DEC,
+ NULL, 0, "svid" }},
+ { &hf_nlm_lock_l_offset, {
+ "l_offset", "nlm.lock.l_offset", FT_UINT32, BASE_DEC,
+ NULL, 0, "l_offset" }},
+ { &hf_nlm_lock_l_len, {
+ "l_len", "nlm.lock.l_len", FT_UINT32, BASE_DEC,
+ NULL, 0, "l_len" }},
+ { &hf_nlm_reclaim, {
+ "reclaim", "nlm.reclaim", FT_BOOLEAN, BASE_NONE,
+ &yesno, 0, "reclaim" }},
+ { &hf_nlm_state, {
+ "state", "nlm.state", FT_UINT32, BASE_DEC,
+ VALS(names_nlm_state), 0, "state" }},
+ };
+
+ static gint *ett[] = {
+ &ett_nlm,
+ &ett_nlm_lock,
+ };
+
+ proto_nlm = proto_register_protocol("Network Lock Manager Protocol", "nlm");
+ proto_register_field_array(proto_nlm, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+void
+proto_reg_handoff_nlm(void)
+{
/* Register the protocol as RPC */
- rpc_init_prog(proto_nlm, NLM_PROGRAM, ETT_NLM);
- /* Register the procedure table */
+ rpc_init_prog(proto_nlm, NLM_PROGRAM, ett_nlm);
+ /* Register the procedure tables */
+ rpc_init_proc_table(NLM_PROGRAM, 1, nlm1_proc);
+ rpc_init_proc_table(NLM_PROGRAM, 2, nlm2_proc);
rpc_init_proc_table(NLM_PROGRAM, 3, nlm3_proc);
+ rpc_init_proc_table(NLM_PROGRAM, 4, nlm4_proc);
}
-
-
git.samba.org / metze / wireshark / wip.git / blobdiff