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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-artemis.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-artemis.c')
-rw-r--r-- | epan/dissectors/packet-artemis.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/epan/dissectors/packet-artemis.c b/epan/dissectors/packet-artemis.c new file mode 100644 index 0000000..146b736 --- /dev/null +++ b/epan/dissectors/packet-artemis.c @@ -0,0 +1,154 @@ +/* packet-artemis.c + * Dissector of ActiveMQ Artemis Core Protocol, so far just the message headers + * Implemented: 2017, Pavel Moravec, Red Hat <pmoravec@redhat.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * Protocol information: + * https://github.com/apache/activemq-artemis/blob/master/artemis-core-client/src/main/java/org/apache/activemq/artemis/core/protocol/core/impl/PacketImpl.java#L309-L326 + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/expert.h> +#include "packet-tcp.h" +#include "stdio.h" + +#define ARTEMIS_PORT 5445 /* Not IANA registered */ + +static int proto_artemis = -1; + +/* handles */ +static int hf_artemis_len = -1; +static int hf_artemis_type = -1; +static int hf_artemis_channel = -1; +static int hf_artemis_buffer = -1; + +static gint ett_artemis = -1; + +static expert_field ei_artemis_len_short = EI_INIT; + + +static dissector_handle_t artemis_tcp_handle = NULL; + +void proto_register_artemis(void); +void proto_reg_handoff_artemis(void); +static int dissect_artemis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, void *data _U_); + +static guint +get_artemis_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, + int offset, void *data _U_) +{ + /* The 4bytes length doesn't include the actual length byte, that's why the "+4" */ + return (guint) tvb_get_ntohl(tvb, offset) + 4; +} + +static int +dissect_artemis_frame(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + + proto_item *ti, *len_item; + proto_tree *artemis_tree; + guint32 length; + + ti = proto_tree_add_item(tree, proto_artemis, tvb, 0, -1, ENC_NA); + artemis_tree = proto_item_add_subtree(ti, ett_artemis); + + len_item = proto_tree_add_item_ret_uint(artemis_tree, hf_artemis_len, tvb, 0, 4, ENC_BIG_ENDIAN, &length); + if (length < 9) { /* 9 = 1(type) + channel(8), if length is smaller, we cant read even type+channel */ + expert_add_info(pinfo, len_item, &ei_artemis_len_short); + return tvb_captured_length(tvb); + } + + proto_tree_add_item(artemis_tree, hf_artemis_type, tvb, 4, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(artemis_tree, hf_artemis_channel, tvb, 5, 8, ENC_BIG_ENDIAN); + proto_tree_add_item(artemis_tree, hf_artemis_buffer, tvb, 13, length-9, ENC_NA); + + return tvb_captured_length(tvb); +} + +static int +dissect_artemis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, void *data _U_) +{ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ARTEMIS"); + /* Clear out stuff in the info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* fixed_len = 4(len) + 1(type) + 8(channel) */ + tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_artemis_message_len, + dissect_artemis_frame, data); + + return tvb_captured_length(tvb); +} + +void +proto_register_artemis(void) +{ + static hf_register_info hf[] = { + {&hf_artemis_len, { + "Length", "artemis.length", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Length of the frame", HFILL}}, + {&hf_artemis_type, { + "Type", "artemis.type", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Type of the frame", HFILL}}, + {&hf_artemis_channel, { + "Channel", "artemis.channel", + FT_UINT64, BASE_DEC, NULL, 0x0, + "Channel ID of the frame", HFILL}}, + {&hf_artemis_buffer, { + "Buffer", "artemis.buffer", + FT_BYTES, BASE_NONE, NULL, 0, + "Binary buffer", HFILL}} + }; + + static gint *ett [] = { + &ett_artemis + }; + + static ei_register_info ei[] = { + { &ei_artemis_len_short, { "artemis.len_short", PI_PROTOCOL, PI_ERROR, "Frame length is too short", EXPFILL }} + }; + + expert_module_t* expert_artemis; + + proto_artemis = proto_register_protocol ( "Artemis Core Protocol", "Artemis", "artemis" ); + + artemis_tcp_handle = register_dissector("artemis", dissect_artemis, proto_artemis); + proto_register_field_array(proto_artemis, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + expert_artemis = expert_register_protocol(proto_artemis); + expert_register_field_array(expert_artemis, ei, array_length(ei)); +} + +void +proto_reg_handoff_artemis(void) +{ + static gboolean initialize = FALSE; + + if (!initialize) { + /* Register TCP port for dissection */ + dissector_add_uint_with_preference("tcp.port", ARTEMIS_PORT, artemis_tcp_handle); + initialize = TRUE; + } +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |