Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 00000000..146b7360
--- /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:
+ */