diff options
Diffstat (limited to 'epan/dissectors/packet-stat.c')
| -rw-r--r-- | epan/dissectors/packet-stat.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/epan/dissectors/packet-stat.c b/epan/dissectors/packet-stat.c new file mode 100644 index 0000000000..a631ef4519 --- /dev/null +++ b/epan/dissectors/packet-stat.c @@ -0,0 +1,351 @@ +/* packet-stat.c + * Routines for stat dissection + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * Copyright 1998 Gerald Combs + * + * Copied from packet-smb.c + * + * 2001 Ronnie Sahlberg <See AUTHORS for email> + * Added the dissectors for STAT 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-stat.h" + +static int proto_stat = -1; +static int hf_stat_procedure_v1 = -1; +static int hf_stat_mon_name = -1; +static int hf_stat_stat_res = -1; +static int hf_stat_stat_res_res = -1; +static int hf_stat_stat_res_state = -1; +static int hf_stat_state = -1; +static int hf_stat_mon = -1; +static int hf_stat_mon_id_name = -1; +static int hf_stat_my_id = -1; +static int hf_stat_my_id_hostname = -1; +static int hf_stat_my_id_prog = -1; +static int hf_stat_my_id_vers = -1; +static int hf_stat_my_id_proc = -1; +static int hf_stat_priv = -1; +static int hf_stat_stat_chge = -1; + +static gint ett_stat = -1; +static gint ett_stat_stat_res = -1; +static gint ett_stat_mon = -1; +static gint ett_stat_my_id = -1; +static gint ett_stat_stat_chge = -1; + +#define STAT_SUCC 0 +#define STAT_FAIL 1 + +static const value_string stat_res[] = +{ + { 0, "STAT_SUCC" }, + { 1, "STAT_FAIL" }, + { 0, NULL } +}; + +/* Calculate length (including padding) of my_id structure. + * First read the length of the string and round it upwards to nearest + * multiple of 4, then add 16 (4*uint32) + */ +static int +my_id_len(tvbuff_t *tvb, int offset) +{ + int len; + + len = tvb_get_ntohl(tvb, offset); + if(len&0x03) + len = (len&0xfc)+4; + + len += 16; + + return len; +} + +/* Calculate length (including padding) of my_id structure. + * First read the length of the string and round it upwards to nearest + * multiple of 4, then add 4 (string len) and size of my_id struct. + */ +static int +mon_id_len(tvbuff_t *tvb, int offset) +{ + int len; + + len = tvb_get_ntohl(tvb, offset); + if(len&0x03){ + len = (len&0xfc)+4; + } + + len += 4; + + return len+my_id_len(tvb,offset+len); +} + +static int +dissect_stat_stat(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + if (tree) + { + offset = dissect_rpc_string(tvb,tree,hf_stat_mon_name,offset,NULL); + } + + return offset; +} + +static int +dissect_stat_stat_res(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item* sub_item = NULL; + proto_tree* sub_tree = NULL; + gint32 res; + gint32 state; + + if (tree) { + sub_item = proto_tree_add_item(tree, hf_stat_stat_res, tvb, + offset, -1, FALSE); + if (sub_item) + sub_tree = proto_item_add_subtree(sub_item, ett_stat_stat_res); + } + + res = tvb_get_ntohl(tvb, offset); + offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_stat_res_res,offset); + + if (res==STAT_SUCC) { + state = tvb_get_ntohl(tvb, offset); + offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_stat_res_state,offset); + } else { + offset += 4; + } + + return offset; +} + +static int +dissect_stat_my_id(tvbuff_t *tvb, int offset, proto_tree *tree) +{ + proto_item* sub_item = NULL; + proto_tree* sub_tree = NULL; + + if (tree) { + sub_item = proto_tree_add_item(tree, hf_stat_my_id, tvb, + offset, my_id_len(tvb,offset), FALSE); + if (sub_item) + sub_tree = proto_item_add_subtree(sub_item, ett_stat_my_id); + } + + offset = dissect_rpc_string(tvb,sub_tree,hf_stat_my_id_hostname,offset,NULL); + offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_prog,offset); + offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_vers,offset); + offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_proc,offset); + + return offset; +} + +static int +dissect_stat_mon_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item* sub_item = NULL; + proto_tree* sub_tree = NULL; + + if (tree) { + sub_item = proto_tree_add_item(tree, hf_stat_mon, tvb, + offset, mon_id_len(tvb,offset), FALSE); + if (sub_item) + sub_tree = proto_item_add_subtree(sub_item, ett_stat_mon); + } + + + offset = dissect_rpc_string(tvb,sub_tree,hf_stat_mon_id_name,offset,NULL); + + offset = dissect_stat_my_id(tvb,offset,sub_tree); + + return offset; +} + +static int +dissect_stat_priv(tvbuff_t *tvb, int offset, proto_tree *tree) +{ + proto_tree_add_item(tree, hf_stat_priv, tvb, offset, 16, FALSE); + offset += 16; + + return offset; +} + +static int +dissect_stat_mon(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + + offset = dissect_stat_mon_id(tvb,offset,pinfo,tree); + + offset = dissect_stat_priv(tvb,offset,tree); + return offset; +} + +static int +dissect_stat_state(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + offset = dissect_rpc_uint32(tvb,tree,hf_stat_state,offset); + + return offset; +} + +static int +dissect_stat_notify(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item* sub_item = NULL; + proto_tree* sub_tree = NULL; + int start_offset = offset; + + if (tree) { + sub_item = proto_tree_add_item(tree, hf_stat_stat_chge, tvb, + offset, -1, FALSE); + if (sub_item) + sub_tree = proto_item_add_subtree(sub_item, ett_stat_stat_chge); + } + + offset = dissect_rpc_string(tvb,sub_tree,hf_stat_mon_id_name,offset,NULL); + + offset = dissect_rpc_uint32(tvb,tree,hf_stat_state,offset); + + if(sub_item) + proto_item_set_len(sub_item, offset - start_offset); + + return offset; +} + +static int +dissect_stat_umon_all(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + offset = dissect_stat_my_id(tvb,offset,tree); + + return offset; +} + +/* proc number, "proc name", dissect_request, dissect_reply */ +/* NULL as function pointer means: type of arguments is "void". */ + +static const vsff stat1_proc[] = { + { 0, "NULL", NULL, NULL }, + { STATPROC_STAT, "STAT", + dissect_stat_stat, dissect_stat_stat_res }, + { STATPROC_MON, "MON", + dissect_stat_mon, dissect_stat_stat_res }, + { STATPROC_UNMON, "UNMON", + dissect_stat_mon_id, dissect_stat_state }, + { STATPROC_UNMON_ALL, "UNMON_ALL", + dissect_stat_umon_all, dissect_stat_state }, + { STATPROC_SIMU_CRASH, "SIMU_CRASH", + NULL, NULL }, + { STATPROC_NOTIFY, "NOTIFY", + dissect_stat_notify, NULL }, + { 0, NULL, NULL, NULL } +}; +static const value_string stat1_proc_vals[] = { + { 0, "NULL" }, + { STATPROC_STAT, "STAT" }, + { STATPROC_MON, "MON" }, + { STATPROC_UNMON, "UNMON" }, + { STATPROC_UNMON_ALL, "UNMON_ALL" }, + { STATPROC_SIMU_CRASH, "SIMU_CRASH" }, + { STATPROC_NOTIFY, "NOTIFY" }, + { 0, NULL } +}; +/* end of stat version 1 */ + + +void +proto_register_stat(void) +{ + static hf_register_info hf[] = { + { &hf_stat_procedure_v1, { + "V1 Procedure", "stat.procedure_v1", FT_UINT32, BASE_DEC, + VALS(stat1_proc_vals), 0, "V1 Procedure", HFILL }}, + { &hf_stat_mon_name, { + "Name", "stat.name", FT_STRING, BASE_DEC, + NULL, 0, "Name", HFILL }}, + { &hf_stat_stat_res, { + "Status Result", "stat.stat_res", FT_NONE,0, + NULL, 0, "Status Result", HFILL }}, + { &hf_stat_stat_res_res, { + "Result", "stat.stat_res.res", FT_UINT32, BASE_DEC, + VALS(stat_res), 0, "Result", HFILL }}, + { &hf_stat_stat_res_state, { + "State", "stat.stat_res.state", FT_UINT32, BASE_DEC, + NULL, 0, "State", HFILL }}, + { &hf_stat_mon, { + "Monitor", "stat.mon", FT_NONE, 0, + NULL, 0, "Monitor Host", HFILL }}, + { &hf_stat_mon_id_name, { + "Monitor ID Name", "stat.mon_id.name", FT_STRING, BASE_DEC, + NULL, 0, "Monitor ID Name", HFILL }}, + { &hf_stat_my_id, { + "My ID", "stat.my_id", FT_NONE,0, + NULL, 0, "My_ID structure", HFILL }}, + { &hf_stat_my_id_hostname, { + "Hostname", "stat.my_id.hostname", FT_STRING, BASE_DEC, + NULL, 0, "My_ID Host to callback", HFILL }}, + { &hf_stat_my_id_prog, { + "Program", "stat.my_id.prog", FT_UINT32, BASE_DEC, + NULL, 0, "My_ID Program to callback", HFILL }}, + { &hf_stat_my_id_vers, { + "Version", "stat.my_id.vers", FT_UINT32, BASE_DEC, + NULL, 0, "My_ID Version of callback", HFILL }}, + { &hf_stat_my_id_proc, { + "Procedure", "stat.my_id.proc", FT_UINT32, BASE_DEC, + NULL, 0, "My_ID Procedure to callback", HFILL }}, + { &hf_stat_priv, { + "Priv", "stat.priv", FT_BYTES, BASE_HEX, + NULL, 0, "Private client supplied opaque data", HFILL }}, + { &hf_stat_state, { + "State", "stat.state", FT_UINT32, BASE_DEC, + NULL, 0, "State of local NSM", HFILL }}, + { &hf_stat_stat_chge, { + "Status Change", "stat.stat_chge", FT_NONE, 0, + NULL, 0, "Status Change structure", HFILL }}, + }; + + static gint *ett[] = { + &ett_stat, + &ett_stat_stat_res, + &ett_stat_mon, + &ett_stat_my_id, + &ett_stat_stat_chge, + }; + + proto_stat = proto_register_protocol("Network Status Monitor Protocol", "STAT", "stat"); + proto_register_field_array(proto_stat, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_stat(void) +{ + /* Register the protocol as RPC */ + rpc_init_prog(proto_stat, STAT_PROGRAM, ett_stat); + /* Register the procedure tables */ + rpc_init_proc_table(STAT_PROGRAM, 1, stat1_proc, hf_stat_procedure_v1); +} |