Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 119 insertions, 0 deletions

diff --git a/epan/dissectors/packet-pulse.c b/epan/dissectors/packet-pulse.c
new file mode 100644
index 00000000..29388b1c
--- /dev/null
+++ b/epan/dissectors/packet-pulse.c
@@ -0,0 +1,119 @@
+/* packet-pulse.c
+ * Routines for pulse dissection
+ * Copyright 2013, Masatake YAMATO <yamato@redhat.com>
+ * Copyright 2013, Red Hat, Inc.
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+
+/* About pulse, see
+    http://sourceware.org/piranha/ */
+
+# include "config.h"
+
+#include <epan/packet.h>
+
+#define PORT_PULSE 539 /* Not IANA registered */
+
+void proto_register_pulse(void);
+void proto_reg_handoff_pulse(void);
+
+static dissector_handle_t pulse_handle;
+
+static int  proto_pulse    = -1;
+static int  hf_pulse_magic = -1;
+static gint ett_pulse      = -1;
+
+/* piranha/pulse.c */
+#define PULSE_HEARTBEAT_RUNNING_MAGIC     0xbdaddbda
+#define PULSE_HEARTBEAT_STOPPED_MAGIC     0xadbddabd
+
+static const value_string pulse_magic_type[] = {
+    { PULSE_HEARTBEAT_RUNNING_MAGIC,   "running" },
+    { PULSE_HEARTBEAT_STOPPED_MAGIC,   "stopped" },
+    { 0, NULL                                    }
+};
+
+static int
+dissect_pulse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
+{
+    proto_item *item;
+    proto_tree *tree;
+
+    guint32 magic;
+    const char* magic_str;
+    guint endian;
+
+    if (tvb_captured_length(tvb) < 4)
+        return 0;
+
+    /* Try to read MAGIC in both endians */
+    endian = ENC_LITTLE_ENDIAN;
+    magic = tvb_get_letohl(tvb, 0);
+    magic_str = try_val_to_str(magic, pulse_magic_type);
+    if (magic_str == NULL) {
+      magic = tvb_get_ntohl(tvb, 0);
+      magic_str = try_val_to_str(magic, pulse_magic_type);
+      if (magic_str == NULL) {
+        return 0;
+      }
+      endian = ENC_BIG_ENDIAN;
+    }
+
+    col_set_str(pinfo->cinfo, COL_PROTOCOL, "PULSE");
+    col_set_str(pinfo->cinfo, COL_INFO, magic_str);
+
+    if (parent_tree) {
+        item = proto_tree_add_item(parent_tree, proto_pulse, tvb, 0,
+                                   -1, endian);
+        tree = proto_item_add_subtree(item, ett_pulse);
+        proto_tree_add_item(tree, hf_pulse_magic, tvb, 0, 4, endian);
+    }
+    return 4;
+}
+
+void
+proto_register_pulse(void)
+{
+    static hf_register_info hf[] = {
+        { &hf_pulse_magic,
+          { "Magic", "pulse.magic",
+            FT_UINT32, BASE_HEX, VALS(pulse_magic_type), 0x0,
+            NULL, HFILL }},
+    };
+
+    static gint *ett[] = {
+        &ett_pulse,
+    };
+
+
+    proto_pulse = proto_register_protocol("PULSE protocol for Linux Virtual Server redundancy", "PULSE", "pulse");
+    proto_register_field_array(proto_pulse, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+
+    pulse_handle = register_dissector("pulse", dissect_pulse, proto_pulse);
+}
+
+void
+proto_reg_handoff_pulse(void)
+{
+    dissector_add_uint_with_preference("udp.port", PORT_PULSE, pulse_handle);
+}
+
+/*
+ * 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:
+ */