diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-userlog.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-userlog.c')
-rw-r--r-- | epan/dissectors/packet-userlog.c | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/epan/dissectors/packet-userlog.c b/epan/dissectors/packet-userlog.c new file mode 100644 index 00000000..b9d27d17 --- /dev/null +++ b/epan/dissectors/packet-userlog.c @@ -0,0 +1,420 @@ +/* packet-userlog.c + * Routines for userlog protocol packet disassembly + * Copyright 2016, Jun Wang <sdn_app@163.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +/* + * Userlog is user flow logs of H3C device. + * Flow logging records users' access to the extranet. The device classifies and + * calculates flows through the 5-tuple information, which includes source IP address, + * destination IP address, source port, destination port, and protocol number, + * and generates user flow logs. Flow logging records the 5-tuple information of + * the packets and number of the bytes received and sent. With flow logs, administrators + * can track and record accesses to the network, facilitating the availability and + * security of the network. + * + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/ipproto.h> + +void proto_register_userlog(void); +void proto_reg_handoff_userlog(void); + +static dissector_handle_t userlog_handle; + +static int proto_userlog = -1; + +static int hf_userlog_version = -1; +static int hf_userlog_logtype = -1; +static int hf_userlog_count = -1; +static int hf_userlog_timestamp = -1; +static int hf_userlog_header_reserved = -1; + +static int hf_userlog_proto = -1; +static int hf_userlog_Operator = -1; +static int hf_userlog_IPVerion = -1; +static int hf_userlog_IPToS = -1; + +static int hf_userlog_SourceIP = -1; +static int hf_userlog_SrcNatIP = -1; +static int hf_userlog_DestIP = -1; +static int hf_userlog_DestNatIP = -1; +static int hf_userlog_SrcPort = -1; +static int hf_userlog_SrcNatPort = -1; +static int hf_userlog_DestPort = -1; +static int hf_userlog_DestNatPort = -1; + +static int hf_userlog_StartTime = -1; +static int hf_userlog_EndTime = -1; + +static int hf_userlog_InTotalPkg = -1; +static int hf_userlog_InTotalByte = -1; +static int hf_userlog_OutTotalPkg = -1; +static int hf_userlog_OutTotalByte = -1; + +static int hf_userlog_Reserved1 = -1; +static int hf_userlog_Reserved2 = -1; +static int hf_userlog_Reserved3 = -1; + +static gint ett_userlog = -1; +static gint ett_userlog_header = -1; +static gint ett_userlog_log = -1; + +static const value_string version[] = { +{ 1, "V1" }, +{ 3, "V3" }, +{ 0, NULL } +}; + +static const value_string logtype[] = { +{ 1, "NAT" }, +{ 2, "BAS" }, +{ 4, "Flow" }, +{ 0, NULL } +}; + +static const value_string Operator[] = { +{ 1, "normal close flow" }, +{ 2, "timeout" }, +{ 3, "clear flow" }, +{ 4, "overflow" }, +{ 5, "nat static" }, +{ 6, "time data threshold" }, +{ 7, "flow delete" }, +{ 8, "flow create" }, +{ 0, NULL } +}; + + +/* Minimum length (in bytes) of the protocol data. */ +#define USERLOG_MIN_LENGTH 8 + + +/* Code to actually dissect the packets */ +static int +dissect_userlog(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + /* Set up structures needed to add the protocol subtree and manage it */ + proto_item *ti; + proto_tree *userlog_header, *userlog_tree; + proto_tree *userlog_log; + /* Other misc. local variables. */ + gint offset = 0; + guint log_count = 1; + guint log_type, log_max; + + /* Check that the packet is long enough for it to belong to us. */ + if (tvb_reported_length(tvb) < USERLOG_MIN_LENGTH) + return 0; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "UserLog"); + /* Clear out stuff in the info column */ + col_clear(pinfo->cinfo,COL_INFO); + + ti = proto_tree_add_item(tree, proto_userlog, tvb, 0, -1, ENC_NA); + userlog_tree = proto_item_add_subtree(ti, ett_userlog); + + userlog_header = proto_tree_add_subtree(userlog_tree, tvb, 0, 16, ett_userlog_header, NULL, "UserLog Header"); + proto_tree_add_item(userlog_header, hf_userlog_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item_ret_uint(userlog_header, hf_userlog_logtype, tvb, offset, 1, ENC_BIG_ENDIAN, &log_type); + col_add_fstr(pinfo->cinfo, COL_INFO, "LogType = %s", val_to_str(log_type, logtype, "Unknown (0x%02x)")); + offset += 1; + + proto_tree_add_item_ret_uint(userlog_header, hf_userlog_count, tvb, offset, 2, ENC_BIG_ENDIAN, &log_max); + proto_item_append_text(ti, ", Log Count = %d", log_max); + offset += 2; + + proto_tree_add_item(userlog_header, hf_userlog_timestamp, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + /* XXX - 8 bytes unaccounted for */ + proto_tree_add_item(userlog_header, hf_userlog_header_reserved, tvb, offset, 8, ENC_NA); + offset += 8; + + if (userlog_tree) { /* we are being asked for details */ + while ( log_count <= log_max) + { + userlog_log = proto_tree_add_subtree_format(userlog_tree, tvb, offset, 64, ett_userlog_log, NULL, "UserLog No.%d", log_count); + + proto_tree_add_item(userlog_log, hf_userlog_proto, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(userlog_log, hf_userlog_Operator, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(userlog_log, hf_userlog_IPVerion, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(userlog_log, hf_userlog_IPToS, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(userlog_log, hf_userlog_SourceIP, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_SrcNatIP, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_DestIP, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_DestNatIP, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_SrcPort, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(userlog_log, hf_userlog_SrcNatPort, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(userlog_log, hf_userlog_DestPort, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(userlog_log, hf_userlog_DestNatPort, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(userlog_log, hf_userlog_StartTime, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_EndTime, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_InTotalPkg, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_InTotalByte, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_OutTotalPkg, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_OutTotalByte, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_Reserved1, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_Reserved2, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(userlog_log, hf_userlog_Reserved3, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + log_count++; + + } + } + + return tvb_captured_length(tvb); +} + +void +proto_register_userlog(void) +{ + static hf_register_info hf[] = { + { &hf_userlog_version, + { "Version", "userlog.version", + FT_UINT8, BASE_DEC, + VALS(version), 0x0, + NULL, HFILL } + }, + + { &hf_userlog_logtype, + { "LogType", "userlog.logtype", + FT_UINT8, BASE_DEC, + VALS(logtype), 0x0, + NULL, HFILL } + }, + + { &hf_userlog_count, + { "LogCount", "userlog.count", + FT_UINT16, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_timestamp, + { "TimeStamp", "userlog.timestamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_header_reserved, + { "Reserved", "userlog.header_reserved", + FT_BYTES, BASE_NONE, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_proto, + { "Protocol", "userlog.proto", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, + &ipproto_val_ext, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_Operator, + { "Operator", "userlog.Operator", + FT_UINT8, BASE_DEC, + VALS(Operator), 0x0, + NULL, HFILL } + }, + + { &hf_userlog_IPVerion, + { "IP Version", "userlog.IPVersion", + FT_UINT8, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_IPToS, + { "IP ToS", "userlog.IPToS", + FT_UINT8, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_SourceIP, + { "Source-IP", "userlog.SourceIP", + FT_IPv4, BASE_NONE, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_SrcNatIP, + { "Source-NAT-IP", "userlog.Source-NAT-IP", + FT_IPv4, BASE_NONE, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_DestIP, + { "Destination-IP", "userlog.Destination-IP", + FT_IPv4, BASE_NONE, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_DestNatIP, + { "Destination-NAT-IP", "userlog.Destination-NAT-IP", + FT_IPv4, BASE_NONE, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_SrcPort, + { "Source-Port", "userlog.Source-Port", + FT_UINT16, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_SrcNatPort, + { "Source-NAT-Port", "userlog.Source-NAT-Port", + FT_UINT16, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_DestPort, + { "Destination-Port", "userlog.Destination-Port", + FT_UINT16, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_DestNatPort, + { "Destination-NAT-Port", "userlog.Destination-NAT-Port", + FT_UINT16, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_StartTime, + { "StartTime", "userlog.StartTime", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_EndTime, + { "EndTime", "userlog.EndTime", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_InTotalPkg, + { "InTotalPkg", "userlog.InTotalPkg", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_InTotalByte, + { "InTotalByte", "userlog.InTotalByte", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_OutTotalPkg, + { "OutTotalPkg", "userlog.OutTotalPkg", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_OutTotalByte, + { "OutTotalByte", "userlog.OutTotalByte", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_Reserved1, + { "Reserved1", "userlog.Reserved1", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_Reserved2, + { "Reserved2", "userlog.Reserved2", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + }, + + { &hf_userlog_Reserved3, + { "Reserved3", "userlog.Reserved3", + FT_UINT32, BASE_DEC, + NULL, 0x0, + NULL, HFILL } + } + + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_userlog, + &ett_userlog_header, + &ett_userlog_log + }; + + proto_userlog = proto_register_protocol("UserLog Protocol", "UserLog", "userlog"); + proto_register_field_array(proto_userlog, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + userlog_handle = register_dissector("userlog", dissect_userlog, proto_userlog); +} + +void +proto_reg_handoff_userlog(void) +{ + dissector_add_for_decode_as_with_preference("udp.port", userlog_handle); + +} + +/* + * 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: + */ |