diff options
Diffstat (limited to 'epan/dissectors/packet-stat.c')
-rw-r--r-- | epan/dissectors/packet-stat.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/epan/dissectors/packet-stat.c b/epan/dissectors/packet-stat.c new file mode 100644 index 00000000..01373cec --- /dev/null +++ b/epan/dissectors/packet-stat.c @@ -0,0 +1,362 @@ +/* packet-stat.c + * Routines for stat dissection + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * Copied from packet-smb.c + * + * 2001 Ronnie Sahlberg <See AUTHORS for email> + * Added the dissectors for STAT protocol + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include "config.h" + +#include "packet-rpc.h" +#include "packet-stat.h" + +void proto_register_stat(void); +void proto_reg_handoff_stat(void); + +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 } +}; + +static const value_string stat_res[] = +{ + { 0, "STAT_SUCC" }, + { 1, "STAT_FAIL" }, + { 0, NULL } +}; + +static int proto_stat = -1; + +static int hf_stat_mon = -1; +static int hf_stat_mon_id_name = -1; +static int hf_stat_mon_name = -1; +static int hf_stat_my_id = -1; +static int hf_stat_my_id_hostname = -1; +static int hf_stat_my_id_proc = -1; +static int hf_stat_my_id_prog = -1; +static int hf_stat_my_id_vers = -1; +static int hf_stat_priv = -1; +static int hf_stat_procedure_v1 = -1; +static int hf_stat_stat_chge = -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 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 + +/* 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, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + return dissect_rpc_string(tvb,tree,hf_stat_mon_name,0,NULL); +} + +static int +dissect_stat_stat_res(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + proto_item *sub_item; + proto_tree *sub_tree; + gint32 res; + int offset = 0; + + sub_item = proto_tree_add_item(tree, hf_stat_stat_res, tvb, + offset, -1, ENC_NA); + 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) { + 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; + proto_tree *sub_tree; + + sub_item = proto_tree_add_item(tree, hf_stat_my_id, tvb, + offset, my_id_len(tvb,offset), ENC_NA); + 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, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + proto_item *sub_item; + proto_tree *sub_tree; + int offset = 0; + + sub_item = proto_tree_add_item(tree, hf_stat_mon, tvb, + offset, mon_id_len(tvb,offset), ENC_NA); + 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, ENC_NA); + offset += 16; + + return offset; +} + +static int +dissect_stat_mon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + int offset = dissect_stat_mon_id(tvb,pinfo,tree,data); + + offset = dissect_stat_priv(tvb,offset,tree); + return offset; +} + +static int +dissect_stat_state(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + return dissect_rpc_uint32(tvb,tree,hf_stat_state,0); +} + +static int +dissect_stat_notify(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + proto_item *sub_item; + proto_tree *sub_tree; + int offset = 0; + int start_offset = offset; + + sub_item = proto_tree_add_item(tree, hf_stat_stat_chge, tvb, + offset, -1, ENC_NA); + 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, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + return dissect_stat_my_id(tvb,0,tree); +} + +/* proc number, "proc name", dissect_request, dissect_reply */ + +static const vsff stat1_proc[] = { + { 0, "NULL", + dissect_rpc_void, dissect_rpc_void }, + { 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", + dissect_rpc_void, dissect_rpc_void }, + { STATPROC_NOTIFY, "NOTIFY", + dissect_stat_notify, dissect_rpc_void }, + { 0, NULL, NULL, NULL } +}; +/* end of stat version 1 */ + + +static const rpc_prog_vers_info stat_vers_info[] = { + { 1, stat1_proc, &hf_stat_procedure_v1 }, +}; + +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, + NULL, HFILL } + }, + { &hf_stat_mon_name, + { "Name", "stat.name", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_stat_stat_res, + { "Status Result", "stat.stat_res", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_stat_stat_res_res, + { "Result", "stat.stat_res.res", + FT_UINT32, BASE_DEC, VALS(stat_res), 0, + NULL, HFILL } + }, + { &hf_stat_stat_res_state, + { "State", "stat.stat_res.state", + FT_UINT32, BASE_DEC, NULL, 0, + NULL, HFILL } + }, + { &hf_stat_state, + { "State", "stat.state", + FT_UINT32, BASE_DEC, NULL, 0, + "State of local NSM", HFILL } + }, + { &hf_stat_mon, + { "Monitor", "stat.mon", + FT_NONE, BASE_NONE, NULL, 0, + "Monitor Host", HFILL } + }, + { &hf_stat_mon_id_name, + { "Monitor ID Name", "stat.mon_id.name", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_stat_my_id, + { "My ID", "stat.my_id", + FT_NONE, BASE_NONE, NULL, 0, + "My_ID structure", HFILL } + }, + { &hf_stat_my_id_hostname, + { "Hostname", "stat.my_id.hostname", + FT_STRING, BASE_NONE, 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_NONE, NULL, 0, + "Private client supplied opaque data", HFILL } + }, + { &hf_stat_stat_chge, + { "Status Change", "stat.stat_chge", + FT_NONE, BASE_NONE, 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, + G_N_ELEMENTS(stat_vers_info), stat_vers_info); +} + +/* + * Editor modelines - https://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: + */ |