diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
---|---|---|
committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-nlm.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (diff) |
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Diffstat (limited to 'packet-nlm.c')
-rw-r--r-- | packet-nlm.c | 1237 |
1 files changed, 0 insertions, 1237 deletions
diff --git a/packet-nlm.c b/packet-nlm.c deleted file mode 100644 index 7aa352c082..0000000000 --- a/packet-nlm.c +++ /dev/null @@ -1,1237 +0,0 @@ -/* packet-nlm.c - * Routines for nlm dissection - * - * $Id$ - * - * Ethereal - Network traffic analyzer - * By Gerald Combs <gerald@ethereal.com> - * Copyright 1998 Gerald Combs - * - * Copied from packet-mount.c - * - * 2001-JAN Ronnie Sahlberg <See AUTHORS for email> - * Updates to version 1 of the protocol. - * Added version 3 of the protocol. - * Added version 4 of the protocol. - * - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - - - -#include "packet-rpc.h" -#include "packet-nfs.h" -#include "packet-nlm.h" -#include "prefs.h" -#include <string.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). - * - * They can also be found if you go to - * - * http://www.opengroup.org/publications/catalog/c702.htm - * - * and follow the links to the HTML version of the document. - */ - -static int proto_nlm = -1; -static int hf_nlm_procedure_v1 = -1; -static int hf_nlm_procedure_v2 = -1; -static int hf_nlm_procedure_v3 = -1; -static int hf_nlm_procedure_v4 = -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_offset64 = -1; -static int hf_nlm_lock_l_len = -1; -static int hf_nlm_lock_l_len64 = -1; -static int hf_nlm_reclaim = -1; -static int hf_nlm_stat = -1; -static int hf_nlm_state = -1; -static int hf_nlm_test_stat = -1; -static int hf_nlm_test_stat_stat = -1; -static int hf_nlm_holder = -1; -static int hf_nlm_share = -1; -static int hf_nlm_share_mode = -1; -static int hf_nlm_share_access = -1; -static int hf_nlm_share_name = -1; -static int hf_nlm_sequence = -1; -static int hf_nlm_request_in = -1; -static int hf_nlm_reply_in = -1; -static int hf_nlm_time = -1; - -static gint ett_nlm = -1; -static gint ett_nlm_lock = -1; - - - -/* - * stuff to match MSG and RES packets for async NLM - */ - -static gboolean nlm_match_msgres = FALSE; -static GHashTable *nlm_msg_res_unmatched = NULL; -static GHashTable *nlm_msg_res_matched = NULL; - -/* XXX when matching the packets we should really check the conversation (only address - NOT ports) and command type as well. I am lazy and thinks the cookie itself is - good enough for now -*/ -typedef struct _nlm_msg_res_unmatched_data { - int req_frame; - nstime_t ns; - int cookie_len; - const char *cookie; -} nlm_msg_res_unmatched_data; - -typedef struct _nlm_msg_res_matched_data { - int req_frame; - int rep_frame; - nstime_t ns; -} nlm_msg_res_matched_data; - -static gboolean -nlm_msg_res_unmatched_free_all(gpointer key_arg _U_, gpointer value, gpointer user_data _U_) -{ - nlm_msg_res_unmatched_data *umd = (nlm_msg_res_unmatched_data *)value; - - g_free((gpointer)umd->cookie); - g_free(umd); - - return TRUE; -} -static gboolean -nlm_msg_res_matched_free_all(gpointer key_arg _U_, gpointer value, gpointer user_data _U_) -{ - nlm_msg_res_matched_data *md = (nlm_msg_res_matched_data *)value; - - g_free(md); - - return TRUE; -} - -static guint -nlm_msg_res_unmatched_hash(gconstpointer k) -{ - const nlm_msg_res_unmatched_data *umd = (const nlm_msg_res_unmatched_data *)k; - guint8 hash=0; - int i; - - for(i=0;i<umd->cookie_len;i++){ - hash^=umd->cookie[i]; - } - - return hash; -} -static guint -nlm_msg_res_matched_hash(gconstpointer k) -{ - guint hash = (guint)k; - - return hash; -} - -static gint -nlm_msg_res_unmatched_equal(gconstpointer k1, gconstpointer k2) -{ - const nlm_msg_res_unmatched_data *umd1 = (const nlm_msg_res_unmatched_data *)k1; - const nlm_msg_res_unmatched_data *umd2 = (const nlm_msg_res_unmatched_data *)k2; - - if(umd1->cookie_len!=umd2->cookie_len){ - return 0; - } - - return( !memcmp(umd1->cookie, umd2->cookie, umd1->cookie_len)); -} -static gint -nlm_msg_res_matched_equal(gconstpointer k1, gconstpointer k2) -{ - guint mk1 = (guint)k1; - guint mk2 = (guint)k2; - - return( mk1==mk2 ); -} - -static void -nlm_msg_res_match_init(void) -{ - if(nlm_msg_res_unmatched != NULL){ - g_hash_table_foreach_remove(nlm_msg_res_unmatched, - nlm_msg_res_unmatched_free_all, NULL); - } else { - nlm_msg_res_unmatched=g_hash_table_new(nlm_msg_res_unmatched_hash, - nlm_msg_res_unmatched_equal); - } - - if(nlm_msg_res_matched != NULL){ - g_hash_table_foreach_remove(nlm_msg_res_matched, - nlm_msg_res_matched_free_all, NULL); - } else { - nlm_msg_res_matched=g_hash_table_new(nlm_msg_res_matched_hash, - nlm_msg_res_matched_equal); - } -} - -static void -nlm_print_msgres_reply(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb) -{ - nlm_msg_res_matched_data *md; - - md=g_hash_table_lookup(nlm_msg_res_matched, (gconstpointer)pinfo->fd->num); - if(md){ - nstime_t ns; - proto_tree_add_uint(tree, hf_nlm_request_in, tvb, 0, 0, md->req_frame); - ns.secs= pinfo->fd->abs_secs-md->ns.secs; - ns.nsecs=pinfo->fd->abs_usecs*1000-md->ns.nsecs; - if(ns.nsecs<0){ - ns.nsecs+=1000000000; - ns.secs--; - } - proto_tree_add_time(tree, hf_nlm_time, tvb, 0, 0, &ns); - - } -} - -static void -nlm_print_msgres_request(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb) -{ - nlm_msg_res_matched_data *md; - - md=g_hash_table_lookup(nlm_msg_res_matched, (gconstpointer)pinfo->fd->num); - if(md){ - proto_tree_add_uint(tree, hf_nlm_reply_in, tvb, 0, 0, md->rep_frame); - } -} -static void -nlm_match_fhandle_reply(packet_info *pinfo, proto_tree *tree) -{ - nlm_msg_res_matched_data *md; - - md=g_hash_table_lookup(nlm_msg_res_matched, (gconstpointer)pinfo->fd->num); - if(md && md->rep_frame){ - nfs_fhandle_data_t *fhd; - fhd=(nfs_fhandle_data_t *)g_hash_table_lookup( - nfs_fhandle_frame_table, - (gconstpointer)md->req_frame); - if(fhd){ - dissect_fhandle_hidden(pinfo, - tree, fhd); - } - } -} -static void -nlm_match_fhandle_request(packet_info *pinfo, proto_tree *tree) -{ - nlm_msg_res_matched_data *md; - - md=g_hash_table_lookup(nlm_msg_res_matched, (gconstpointer)pinfo->fd->num); - if(md && md->rep_frame){ - nfs_fhandle_data_t *fhd; - fhd=(nfs_fhandle_data_t *)g_hash_table_lookup( - nfs_fhandle_frame_table, - (gconstpointer)md->rep_frame); - if(fhd){ - dissect_fhandle_hidden(pinfo, - tree, fhd); - } - } -} - -static void -nlm_register_unmatched_res(packet_info *pinfo, tvbuff_t *tvb, int offset) -{ - nlm_msg_res_unmatched_data umd; - nlm_msg_res_unmatched_data *old_umd; - - umd.cookie_len=tvb_get_ntohl(tvb, offset); - umd.cookie=(const char *)tvb_get_ptr(tvb, offset+4, -1); - - /* have we seen this cookie before? */ - old_umd=g_hash_table_lookup(nlm_msg_res_unmatched, (gconstpointer)&umd); - if(old_umd){ - nlm_msg_res_matched_data *md; - - md=g_malloc(sizeof(nlm_msg_res_matched_data)); - md->req_frame=old_umd->req_frame; - md->rep_frame=pinfo->fd->num; - md->ns=old_umd->ns; - g_hash_table_insert(nlm_msg_res_matched, (gpointer)md->req_frame, (gpointer)md); - g_hash_table_insert(nlm_msg_res_matched, (gpointer)md->rep_frame, (gpointer)md); - - g_hash_table_remove(nlm_msg_res_unmatched, (gconstpointer)old_umd); - g_free((gpointer)old_umd->cookie); - g_free(old_umd); - } -} - -static void -nlm_register_unmatched_msg(packet_info *pinfo, tvbuff_t *tvb, int offset) -{ - nlm_msg_res_unmatched_data *umd; - nlm_msg_res_unmatched_data *old_umd; - - /* allocate and build the unmatched structure for this request */ - umd=g_malloc(sizeof(nlm_msg_res_unmatched_data)); - umd->req_frame=pinfo->fd->num; - umd->ns.secs=pinfo->fd->abs_secs; - umd->ns.nsecs=pinfo->fd->abs_usecs*1000; - umd->cookie_len=tvb_get_ntohl(tvb, offset); - umd->cookie=tvb_memdup(tvb, offset+4, umd->cookie_len); - - /* remove any old duplicates */ - old_umd=g_hash_table_lookup(nlm_msg_res_unmatched, (gconstpointer)umd); - if(old_umd){ - g_hash_table_remove(nlm_msg_res_unmatched, (gconstpointer)old_umd); - g_free((gpointer)old_umd->cookie); - g_free(old_umd); - } - - /* add new one */ - g_hash_table_insert(nlm_msg_res_unmatched, (gpointer)umd, (gpointer)umd); -} - - - - -static const value_string names_nlm_stats[] = -{ - /* 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 } -}; - - -static const value_string names_fsh_mode[] = -{ -#define FSM_DN 0 - { FSM_DN, "deny none" }, -#define FSM_DR 1 - { FSM_DR, "deny read" }, -#define FSM_DW 2 - { FSM_DW, "deny write" }, -#define FSM_DRW 3 - { FSM_DRW, "deny read/write" }, - - { 0, NULL } -}; - - -static const value_string names_fsh_access[] = -{ -#define FSA_NONE 0 - { FSA_NONE, "no access" }, -#define FSA_R 1 - { FSA_R, "read-only" }, -#define FSA_W 2 - { FSA_W, "write-only" }, -#define FSA_RW 3 - { FSA_RW, "read/write" }, - { 0, NULL } -}; - - - - - - -/* **************************** */ -/* generic dissecting functions */ -/* **************************** */ -static int -dissect_lock(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int version, int offset) -{ - proto_item* lock_item = NULL; - proto_tree* lock_tree = NULL; - - if (tree) { - lock_item = proto_tree_add_item(tree, hf_nlm_lock, tvb, - offset, -1, FALSE); - if (lock_item) - lock_tree = proto_item_add_subtree(lock_item, ett_nlm_lock); - } - - offset = dissect_rpc_string(tvb,lock_tree, - hf_nlm_lock_caller_name, offset, NULL); - offset = dissect_nfs_fh3(tvb, offset, pinfo, lock_tree, "fh", NULL); - - offset = dissect_rpc_data(tvb, lock_tree, hf_nlm_lock_owner, offset); - - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_lock_svid, offset); - - if (version == 4) { - offset = dissect_rpc_uint64(tvb, lock_tree, hf_nlm_lock_l_offset64, offset); - offset = dissect_rpc_uint64(tvb, lock_tree, hf_nlm_lock_l_len64, offset); - } - else { - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_lock_l_offset, offset); - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_lock_l_len, offset); - } - - return offset; -} - - -static int -dissect_nlm_test(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree, int version) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==6){ /* NLM_TEST_MSG */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_msg(pinfo, tvb, offset); - } else { - nlm_print_msgres_request(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_request(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - dissect_rpc_bool(tvb, tree, hf_nlm_exclusive, offset); - offset += 4; - offset = dissect_lock(tvb, pinfo, tree, version, offset); - return offset; -} - -static int -dissect_nlm_lock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree,int version) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==7){ /* NLM_LOCK_MSG */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_msg(pinfo, tvb, offset); - } else { - nlm_print_msgres_request(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_request(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_block, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_exclusive, offset); - offset = dissect_lock(tvb, pinfo, tree, version, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_reclaim, offset); - offset = dissect_rpc_uint32(tvb, tree, hf_nlm_state, offset); - return offset; -} - -static int -dissect_nlm_cancel(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree,int version) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==8){ /* NLM_CANCEL_MSG */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_msg(pinfo, tvb, offset); - } else { - nlm_print_msgres_request(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_request(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_block, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_exclusive, offset); - offset = dissect_lock(tvb, pinfo, tree, version, offset); - return offset; -} - -static int -dissect_nlm_unlock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree,int version) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==9){ /* NLM_UNLOCK_MSG */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_msg(pinfo, tvb, offset); - } else { - nlm_print_msgres_request(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_request(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_lock(tvb, pinfo, tree, version, offset); - return offset; -} - -static int -dissect_nlm_granted(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree,int version) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==10){ /* NLM_GRANTED_MSG */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_msg(pinfo, tvb, offset); - } else { - nlm_print_msgres_request(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_request(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_rpc_bool(tvb, tree, hf_nlm_exclusive, offset); - offset = dissect_lock(tvb, pinfo, tree, version, offset); - return offset; -} - - -static int -dissect_nlm_test_res(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, - proto_tree *tree,int version) -{ - proto_item* lock_item = NULL; - proto_tree* lock_tree = NULL; - - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if(rpc_call->proc==11){ /* NLM_TEST_RES */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_res(pinfo, tvb, offset); - } else { - nlm_print_msgres_reply(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_reply(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - - if (tree) { - lock_item = proto_tree_add_item(tree, hf_nlm_test_stat, tvb, - offset, -1, FALSE); - if (lock_item) - lock_tree = proto_item_add_subtree(lock_item, - ett_nlm_lock); - } - - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_test_stat_stat, - offset); - - /* last structure is optional, only supplied for stat==1 (LOCKED) */ - if(tvb_reported_length_remaining(tvb, offset) == 0){ - return offset; - } - - if (tree) { - lock_item = proto_tree_add_item(lock_tree, hf_nlm_holder, tvb, - offset, -1, FALSE); - if (lock_item) - lock_tree = proto_item_add_subtree(lock_item, - ett_nlm_lock); - } - - offset = dissect_rpc_bool(tvb, lock_tree, hf_nlm_exclusive, - offset); - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_lock_svid, - offset); - offset = dissect_rpc_data(tvb, lock_tree, hf_nlm_lock_owner, - offset); - - if (version == 4) { - offset = dissect_rpc_uint64(tvb, lock_tree, - hf_nlm_lock_l_offset64, offset); - offset = dissect_rpc_uint64(tvb, lock_tree, - hf_nlm_lock_l_len64, offset); - } - else { - offset = dissect_rpc_uint32(tvb, lock_tree, - hf_nlm_lock_l_offset, offset); - offset = dissect_rpc_uint32(tvb, lock_tree, - hf_nlm_lock_l_len, offset); - } - - return offset; -} - - -static int -dissect_nlm_share(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree,int version _U_) -{ - proto_item* lock_item = NULL; - proto_tree* lock_tree = NULL; - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - - if (tree) { - lock_item = proto_tree_add_item(tree, hf_nlm_share, tvb, - offset, -1, FALSE); - if (lock_item) - lock_tree = proto_item_add_subtree(lock_item, - ett_nlm_lock); - } - - offset = dissect_rpc_string(tvb,lock_tree, - hf_nlm_lock_caller_name, offset, NULL); - - offset = dissect_nfs_fh3(tvb, offset, pinfo, lock_tree, "fh", NULL); - - offset = dissect_rpc_data(tvb, lock_tree, hf_nlm_lock_owner, offset); - - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_share_mode, offset); - offset = dissect_rpc_uint32(tvb, lock_tree, hf_nlm_share_access, offset); - - - offset = dissect_rpc_bool(tvb, tree, hf_nlm_reclaim, offset); - return offset; -} - -static int -dissect_nlm_shareres(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, - proto_tree *tree, int version _U_) -{ - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_rpc_uint32(tvb, tree, hf_nlm_stat, offset); - offset = dissect_rpc_uint32(tvb, tree, hf_nlm_sequence, offset); - return offset; -} - -static int -dissect_nlm_freeall(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, - proto_tree *tree,int version _U_) -{ - offset = dissect_rpc_string(tvb,tree, - hf_nlm_share_name, offset, NULL); - - offset = dissect_rpc_uint32(tvb, tree, hf_nlm_stat, offset); - - return offset; -} - - -/* RPC functions */ - - -/* This function is identical for all NLM protocol versions (1-4)*/ -static int -dissect_nlm_gen_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, - proto_tree *tree) -{ - if(nlm_match_msgres){ - rpc_call_info_value *rpc_call=pinfo->private_data; - if((rpc_call->proc==12) /* NLM_LOCK_RES */ - || (rpc_call->proc==13) /* NLM_CANCEL_RES */ - || (rpc_call->proc==14) /* NLM_UNLOCK_RES */ - || (rpc_call->proc==15) ){ /* NLM_GRENTED_RES */ - if( (!pinfo->fd->flags.visited) ){ - nlm_register_unmatched_res(pinfo, tvb, offset); - } else { - nlm_print_msgres_reply(pinfo, tree, tvb); - } - /* for the fhandle matching that finds both request and - response packet */ - if(nfs_fhandle_reqrep_matching){ - nlm_match_fhandle_reply(pinfo, tree); - } - } - } - - offset = dissect_rpc_data(tvb, tree, hf_nlm_cookie, offset); - offset = dissect_rpc_uint32(tvb, tree, hf_nlm_stat, offset); - return offset; -} - -static int -dissect_nlm1_test(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_test(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_test(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_test(tvb,offset,pinfo,tree,4); -} - - -static int -dissect_nlm1_lock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_lock(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_lock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_lock(tvb,offset,pinfo,tree,4); -} - - -static int -dissect_nlm1_cancel(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_cancel(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_cancel(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_cancel(tvb,offset,pinfo,tree,4); -} - - -static int -dissect_nlm1_unlock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_unlock(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_unlock(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_unlock(tvb,offset,pinfo,tree,4); -} - - -static int -dissect_nlm1_granted(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_granted(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_granted(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_granted(tvb,offset,pinfo,tree,4); -} - - -static int -dissect_nlm1_test_res(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_test_res(tvb,offset,pinfo,tree,1); -} - -static int -dissect_nlm4_test_res(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_test_res(tvb,offset,pinfo,tree,4); -} - -static int -dissect_nlm3_share(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_share(tvb,offset,pinfo,tree,3); -} - -static int -dissect_nlm4_share(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_share(tvb,offset,pinfo,tree,4); -} - -static int -dissect_nlm3_shareres(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_shareres(tvb,offset,pinfo,tree,3); -} - -static int -dissect_nlm4_shareres(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_shareres(tvb,offset,pinfo,tree,4); -} - -static int -dissect_nlm3_freeall(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_freeall(tvb,offset,pinfo,tree,3); -} - -static int -dissect_nlm4_freeall(tvbuff_t *tvb, int offset, packet_info *pinfo, - proto_tree *tree) -{ - return dissect_nlm_freeall(tvb,offset,pinfo,tree,4); -} - - - - -/* proc number, "proc name", dissect_request, dissect_reply */ -/* NULL as function pointer means: type of arguments is "void". */ -/* NLM protocol version 1 */ -static const vsff nlm1_proc[] = { - { NLM_NULL, "NULL", - NULL, NULL }, - { NLM_TEST, "TEST", - dissect_nlm1_test, dissect_nlm1_test_res }, - { NLM_LOCK, "LOCK", - dissect_nlm1_lock, dissect_nlm_gen_reply }, - { NLM_CANCEL, "CANCEL", - dissect_nlm1_cancel, dissect_nlm_gen_reply }, - { NLM_UNLOCK, "UNLOCK", - dissect_nlm1_unlock, dissect_nlm_gen_reply }, - { NLM_GRANTED, "GRANTED", - dissect_nlm1_granted, dissect_nlm_gen_reply }, - { NLM_TEST_MSG, "TEST_MSG", - dissect_nlm1_test, NULL }, - { NLM_LOCK_MSG, "LOCK_MSG", - dissect_nlm1_lock, NULL }, - { NLM_CANCEL_MSG, "CANCEL_MSG", - dissect_nlm1_cancel, NULL }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG", - dissect_nlm1_unlock, NULL }, - { NLM_GRANTED_MSG, "GRANTED_MSG", - dissect_nlm1_granted, NULL }, - { NLM_TEST_RES, "TEST_RES", - dissect_nlm1_test_res, NULL }, - { NLM_LOCK_RES, "LOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_CANCEL_RES, "CANCEL_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_UNLOCK_RES, "UNLOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_GRANTED_RES, "GRANTED_RES", - dissect_nlm_gen_reply, NULL }, - { 0, NULL, - NULL, NULL } -}; -static const value_string nlm1_proc_vals[] = { - { NLM_NULL, "NULL" }, - { NLM_TEST, "TEST" }, - { NLM_LOCK, "LOCK" }, - { NLM_CANCEL, "CANCEL" }, - { NLM_UNLOCK, "UNLOCK" }, - { NLM_GRANTED, "GRANTED" }, - { NLM_TEST_MSG, "TEST_MSG" }, - { NLM_LOCK_MSG, "LOCK_MSG" }, - { NLM_CANCEL_MSG, "CANCEL_MSG" }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG" }, - { NLM_GRANTED_MSG, "GRANTED_MSG" }, - { NLM_TEST_RES, "TEST_RES" }, - { NLM_LOCK_RES, "LOCK_RES" }, - { NLM_CANCEL_RES, "CANCEL_RES" }, - { NLM_UNLOCK_RES, "UNLOCK_RES" }, - { NLM_GRANTED_RES, "GRANTED_RES" }, - { 0, NULL } -}; -/* end of NLM protocol version 1 */ - -/* NLM protocol version 2 */ -static const vsff nlm2_proc[] = { - { NLM_NULL, "NULL", - NULL, NULL }, - { NLM_TEST, "TEST", - dissect_nlm1_test, dissect_nlm1_test_res }, - { NLM_LOCK, "LOCK", - dissect_nlm1_lock, dissect_nlm_gen_reply }, - { NLM_CANCEL, "CANCEL", - dissect_nlm1_cancel, dissect_nlm_gen_reply }, - { NLM_UNLOCK, "UNLOCK", - dissect_nlm1_unlock, dissect_nlm_gen_reply }, - { NLM_GRANTED, "GRANTED", - dissect_nlm1_granted, dissect_nlm_gen_reply }, - { NLM_TEST_MSG, "TEST_MSG", - dissect_nlm1_test, NULL }, - { NLM_LOCK_MSG, "LOCK_MSG", - dissect_nlm1_lock, NULL }, - { NLM_CANCEL_MSG, "CANCEL_MSG", - dissect_nlm1_cancel, NULL }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG", - dissect_nlm1_unlock, NULL }, - { NLM_GRANTED_MSG, "GRANTED_MSG", - dissect_nlm1_granted, NULL }, - { NLM_TEST_RES, "TEST_RES", - dissect_nlm1_test_res, NULL }, - { NLM_LOCK_RES, "LOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_CANCEL_RES, "CANCEL_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_UNLOCK_RES, "UNLOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_GRANTED_RES, "GRANTED_RES", - dissect_nlm_gen_reply, NULL }, - { 0, NULL, - NULL, NULL } -}; -static const value_string nlm2_proc_vals[] = { - { NLM_NULL, "NULL" }, - { NLM_TEST, "TEST" }, - { NLM_LOCK, "LOCK" }, - { NLM_CANCEL, "CANCEL" }, - { NLM_UNLOCK, "UNLOCK" }, - { NLM_GRANTED, "GRANTED" }, - { NLM_TEST_MSG, "TEST_MSG" }, - { NLM_LOCK_MSG, "LOCK_MSG" }, - { NLM_CANCEL_MSG, "CANCEL_MSG" }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG" }, - { NLM_GRANTED_MSG, "GRANTED_MSG" }, - { NLM_TEST_RES, "TEST_RES" }, - { NLM_LOCK_RES, "LOCK_RES" }, - { NLM_CANCEL_RES, "CANCEL_RES" }, - { NLM_UNLOCK_RES, "UNLOCK_RES" }, - { NLM_GRANTED_RES, "GRANTED_RES" }, - { 0, NULL } -}; -/* end of NLM protocol version 2 */ - -/* NLM protocol version 3 */ -static const vsff nlm3_proc[] = { - { NLM_NULL, "NULL", - NULL, NULL }, - { NLM_TEST, "TEST", - dissect_nlm1_test, dissect_nlm1_test_res }, - { NLM_LOCK, "LOCK", - dissect_nlm1_lock, dissect_nlm_gen_reply }, - { NLM_CANCEL, "CANCEL", - dissect_nlm1_cancel, dissect_nlm_gen_reply }, - { NLM_UNLOCK, "UNLOCK", - dissect_nlm1_unlock, dissect_nlm_gen_reply }, - { NLM_GRANTED, "GRANTED", - dissect_nlm1_granted, dissect_nlm_gen_reply }, - { NLM_TEST_MSG, "TEST_MSG", - dissect_nlm1_test, NULL }, - { NLM_LOCK_MSG, "LOCK_MSG", - dissect_nlm1_lock, NULL }, - { NLM_CANCEL_MSG, "CANCEL_MSG", - dissect_nlm1_cancel, NULL }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG", - dissect_nlm1_unlock, NULL }, - { NLM_GRANTED_MSG, "GRANTED_MSG", - dissect_nlm1_granted, NULL }, - { NLM_TEST_RES, "TEST_RES", - dissect_nlm1_test_res, NULL }, - { NLM_LOCK_RES, "LOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_CANCEL_RES, "CANCEL_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_UNLOCK_RES, "UNLOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_GRANTED_RES, "GRANTED_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_SHARE, "SHARE", - dissect_nlm3_share, dissect_nlm3_shareres }, - { NLM_UNSHARE, "UNSHARE", - dissect_nlm3_share, dissect_nlm3_shareres }, - { NLM_NM_LOCK, "NM_LOCK", - dissect_nlm1_lock, dissect_nlm_gen_reply }, - { NLM_FREE_ALL, "FREE_ALL", - dissect_nlm3_freeall, NULL }, - { 0, NULL, - NULL, NULL } -}; -static const value_string nlm3_proc_vals[] = { - { NLM_NULL, "NULL" }, - { NLM_TEST, "TEST" }, - { NLM_LOCK, "LOCK" }, - { NLM_CANCEL, "CANCEL" }, - { NLM_UNLOCK, "UNLOCK" }, - { NLM_GRANTED, "GRANTED" }, - { NLM_TEST_MSG, "TEST_MSG" }, - { NLM_LOCK_MSG, "LOCK_MSG" }, - { NLM_CANCEL_MSG, "CANCEL_MSG" }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG" }, - { NLM_GRANTED_MSG, "GRANTED_MSG" }, - { NLM_TEST_RES, "TEST_RES" }, - { NLM_LOCK_RES, "LOCK_RES" }, - { NLM_CANCEL_RES, "CANCEL_RES" }, - { NLM_UNLOCK_RES, "UNLOCK_RES" }, - { NLM_GRANTED_RES, "GRANTED_RES" }, - { NLM_SHARE, "SHARE" }, - { NLM_UNSHARE, "UNSHARE" }, - { NLM_NM_LOCK, "NM_LOCK" }, - { NLM_FREE_ALL, "FREE_ALL" }, - { 0, NULL } -}; -/* end of NLM protocol version 3 */ - - -/* NLM protocol version 4 */ -static const vsff nlm4_proc[] = { - { NLM_NULL, "NULL", - NULL, NULL }, - { NLM_TEST, "TEST", - dissect_nlm4_test, dissect_nlm4_test_res }, - { NLM_LOCK, "LOCK", - dissect_nlm4_lock, dissect_nlm_gen_reply }, - { NLM_CANCEL, "CANCEL", - dissect_nlm4_cancel, dissect_nlm_gen_reply }, - { NLM_UNLOCK, "UNLOCK", - dissect_nlm4_unlock, dissect_nlm_gen_reply }, - { NLM_GRANTED, "GRANTED", - dissect_nlm4_granted, dissect_nlm_gen_reply }, - { NLM_TEST_MSG, "TEST_MSG", - dissect_nlm4_test, NULL }, - { NLM_LOCK_MSG, "LOCK_MSG", - dissect_nlm4_lock, NULL }, - { NLM_CANCEL_MSG, "CANCEL_MSG", - dissect_nlm4_cancel, NULL }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG", - dissect_nlm4_unlock, NULL }, - { NLM_GRANTED_MSG, "GRANTED_MSG", - dissect_nlm4_granted, NULL }, - { NLM_TEST_RES, "TEST_RES", - dissect_nlm4_test_res, NULL }, - { NLM_LOCK_RES, "LOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_CANCEL_RES, "CANCEL_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_UNLOCK_RES, "UNLOCK_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_GRANTED_RES, "GRANTED_RES", - dissect_nlm_gen_reply, NULL }, - { NLM_SHARE, "SHARE", - dissect_nlm4_share, dissect_nlm4_shareres }, - { NLM_UNSHARE, "UNSHARE", - dissect_nlm4_share, dissect_nlm4_shareres }, - { NLM_NM_LOCK, "NM_LOCK", - dissect_nlm4_lock, dissect_nlm_gen_reply }, - { NLM_FREE_ALL, "FREE_ALL", - dissect_nlm4_freeall, NULL }, - { 0, NULL, - NULL, NULL } -}; -static const value_string nlm4_proc_vals[] = { - { NLM_NULL, "NULL" }, - { NLM_TEST, "TEST" }, - { NLM_LOCK, "LOCK" }, - { NLM_CANCEL, "CANCEL" }, - { NLM_UNLOCK, "UNLOCK" }, - { NLM_GRANTED, "GRANTED" }, - { NLM_TEST_MSG, "TEST_MSG" }, - { NLM_LOCK_MSG, "LOCK_MSG" }, - { NLM_CANCEL_MSG, "CANCEL_MSG" }, - { NLM_UNLOCK_MSG, "UNLOCK_MSG" }, - { NLM_GRANTED_MSG, "GRANTED_MSG" }, - { NLM_TEST_RES, "TEST_RES" }, - { NLM_LOCK_RES, "LOCK_RES" }, - { NLM_CANCEL_RES, "CANCEL_RES" }, - { NLM_UNLOCK_RES, "UNLOCK_RES" }, - { NLM_GRANTED_RES, "GRANTED_RES" }, - { NLM_SHARE, "SHARE" }, - { NLM_UNSHARE, "UNSHARE" }, - { NLM_NM_LOCK, "NM_LOCK" }, - { NLM_FREE_ALL, "FREE_ALL" }, - { 0, NULL } -}; -/* end of NLM protocol version 4 */ - - -static struct true_false_string yesno = { "Yes", "No" }; - - -void -proto_register_nlm(void) -{ - static hf_register_info hf[] = { - { &hf_nlm_procedure_v1, { - "V1 Procedure", "nlm.procedure_v1", FT_UINT32, BASE_DEC, - VALS(nlm1_proc_vals), 0, "V1 Procedure", HFILL }}, - { &hf_nlm_procedure_v2, { - "V2 Procedure", "nlm.procedure_v2", FT_UINT32, BASE_DEC, - VALS(nlm2_proc_vals), 0, "V2 Procedure", HFILL }}, - { &hf_nlm_procedure_v3, { - "V3 Procedure", "nlm.procedure_v3", FT_UINT32, BASE_DEC, - VALS(nlm3_proc_vals), 0, "V3 Procedure", HFILL }}, - { &hf_nlm_procedure_v4, { - "V4 Procedure", "nlm.procedure_v4", FT_UINT32, BASE_DEC, - VALS(nlm4_proc_vals), 0, "V4 Procedure", HFILL }}, - { &hf_nlm_cookie, { - "cookie", "nlm.cookie", FT_BYTES, BASE_DEC, - NULL, 0, "cookie", HFILL }}, - { &hf_nlm_block, { - "block", "nlm.block", FT_BOOLEAN, BASE_NONE, - &yesno, 0, "block", HFILL }}, - { &hf_nlm_exclusive, { - "exclusive", "nlm.exclusive", FT_BOOLEAN, BASE_NONE, - &yesno, 0, "exclusive", HFILL }}, - { &hf_nlm_lock, { - "lock", "nlm.lock", FT_NONE, 0, - NULL, 0, "lock", HFILL }}, - { &hf_nlm_lock_caller_name, { - "caller_name", "nlm.lock.caller_name", FT_STRING, BASE_NONE, - NULL, 0, "caller_name", HFILL }}, - { &hf_nlm_lock_owner, { - "owner", "nlm.lock.owner", FT_BYTES, BASE_DEC, - NULL, 0, "owner", HFILL }}, - { &hf_nlm_lock_svid, { - "svid", "nlm.lock.svid", FT_UINT32, BASE_DEC, - NULL, 0, "svid", HFILL }}, - { &hf_nlm_lock_l_offset64, { - "l_offset", "nlm.lock.l_offset", FT_UINT64, BASE_DEC, - NULL, 0, "l_offset", HFILL }}, - { &hf_nlm_lock_l_offset, { - "l_offset", "nlm.lock.l_offset", FT_UINT32, BASE_DEC, - NULL, 0, "l_offset", HFILL }}, - { &hf_nlm_lock_l_len64, { - "l_len", "nlm.lock.l_len", FT_UINT64, BASE_DEC, - NULL, 0, "l_len", HFILL }}, - { &hf_nlm_lock_l_len, { - "l_len", "nlm.lock.l_len", FT_UINT32, BASE_DEC, - NULL, 0, "l_len", HFILL }}, - { &hf_nlm_reclaim, { - "reclaim", "nlm.reclaim", FT_BOOLEAN, BASE_NONE, - &yesno, 0, "reclaim", HFILL }}, - { &hf_nlm_state, { - "state", "nlm.state", FT_UINT32, BASE_DEC, - NULL, 0, "STATD state", HFILL }}, - { &hf_nlm_stat, { - "stat", "nlm.stat", FT_UINT32, BASE_DEC, - VALS(names_nlm_stats), 0, "stat", HFILL }}, - { &hf_nlm_test_stat, { - "test_stat", "nlm.test_stat", FT_NONE, 0, - NULL, 0, "test_stat", HFILL }}, - { &hf_nlm_test_stat_stat, { - "stat", "nlm.test_stat.stat", FT_UINT32, BASE_DEC, - VALS(names_nlm_stats), 0, "stat", HFILL }}, - { &hf_nlm_holder, { - "holder", "nlm.holder", FT_NONE, 0, - NULL, 0, "holder", HFILL }}, - { &hf_nlm_share, { - "share", "nlm.share", FT_NONE, 0, - NULL, 0, "share", HFILL }}, - { &hf_nlm_share_mode, { - "mode", "nlm.share.mode", FT_UINT32, BASE_DEC, - VALS(names_fsh_mode), 0, "mode", HFILL }}, - { &hf_nlm_share_access, { - "access", "nlm.share.access", FT_UINT32, BASE_DEC, - VALS(names_fsh_access), 0, "access", HFILL }}, - { &hf_nlm_share_name, { - "name", "nlm.share.name", FT_STRING, BASE_NONE, - NULL, 0, "name", HFILL }}, - { &hf_nlm_sequence, { - "sequence", "nlm.sequence", FT_INT32, BASE_DEC, - NULL, 0, "sequence", HFILL }}, - { &hf_nlm_request_in, { - "Request MSG in", "nlm.msg_in", FT_UINT32, BASE_DEC, - NULL, 0, "The RES packet is a response to the MSG in this packet", HFILL }}, - { &hf_nlm_reply_in, { - "Reply RES in", "nlm.res_in", FT_UINT32, BASE_DEC, - NULL, 0, "The response to this MSG packet is in this packet", HFILL }}, - { &hf_nlm_time, { - "Time from request", "nlm.time", FT_RELATIVE_TIME, BASE_NONE, - NULL, 0, "Time between Request and Reply for async NLM calls", HFILL }}, - - }; - - static gint *ett[] = { - &ett_nlm, - &ett_nlm_lock, - }; - module_t *nlm_module; - - proto_nlm = proto_register_protocol("Network Lock Manager Protocol", - "NLM", "nlm"); - proto_register_field_array(proto_nlm, hf, array_length(hf)); - proto_register_subtree_array(ett, array_length(ett)); - - nlm_module = prefs_register_protocol(proto_nlm, NULL); - prefs_register_bool_preference(nlm_module, "msg_res_matching", - "Match MSG/RES packets for async NLM", - "Whether the dissector will track and match MSG and RES calls for asynchronous NLM", - &nlm_match_msgres); - register_init_routine(nlm_msg_res_match_init); -} - -void -proto_reg_handoff_nlm(void) -{ - /* Register the protocol as RPC */ - rpc_init_prog(proto_nlm, NLM_PROGRAM, ett_nlm); - /* Register the procedure tables */ - rpc_init_proc_table(NLM_PROGRAM, 1, nlm1_proc, hf_nlm_procedure_v1); - rpc_init_proc_table(NLM_PROGRAM, 2, nlm2_proc, hf_nlm_procedure_v2); - rpc_init_proc_table(NLM_PROGRAM, 3, nlm3_proc, hf_nlm_procedure_v3); - rpc_init_proc_table(NLM_PROGRAM, 4, nlm4_proc, hf_nlm_procedure_v4); -} |