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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-daytime.c
parentInitial commit. (diff)
downloadwireshark-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-daytime.c')
-rw-r--r--epan/dissectors/packet-daytime.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/epan/dissectors/packet-daytime.c b/epan/dissectors/packet-daytime.c
new file mode 100644
index 00000000..98ae8bff
--- /dev/null
+++ b/epan/dissectors/packet-daytime.c
@@ -0,0 +1,101 @@
+/* packet-daytime.c
+ * Routines for Daytime Protocol (RFC 867) packet dissection
+ * Copyright 2006, Stephen Fisher (see AUTHORS file)
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from packet-time.c
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "config.h"
+
+#include <epan/packet.h>
+
+void proto_register_daytime(void);
+void proto_reg_handoff_daytime(void);
+
+static dissector_handle_t daytime_handle;
+
+static int proto_daytime = -1;
+
+static int hf_daytime_string = -1;
+static int hf_response_request = -1;
+
+static gint ett_daytime = -1;
+
+/* This dissector works for TCP and UDP daytime packets */
+#define DAYTIME_PORT 13
+
+static int
+dissect_daytime(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ proto_tree *daytime_tree;
+ proto_item *ti;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DAYTIME");
+
+ col_add_fstr(pinfo->cinfo, COL_INFO, "DAYTIME %s",
+ pinfo->srcport == pinfo->match_uint ? "Response":"Request");
+
+ if (tree) {
+
+ ti = proto_tree_add_item(tree, proto_daytime, tvb, 0, -1, ENC_NA);
+ daytime_tree = proto_item_add_subtree(ti, ett_daytime);
+
+ proto_tree_add_boolean(daytime_tree, hf_response_request, tvb, 0, 0, pinfo->srcport==DAYTIME_PORT);
+ if (pinfo->srcport == DAYTIME_PORT) {
+ proto_tree_add_item(daytime_tree, hf_daytime_string, tvb, 0, -1, ENC_ASCII);
+ }
+ }
+ return tvb_captured_length(tvb);
+}
+
+void
+proto_register_daytime(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_daytime_string,
+ { "Daytime", "daytime.string",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ "String containing time and date", HFILL }
+ },
+ { &hf_response_request,
+ { "Type", "daytime.response_request",
+ FT_BOOLEAN, 8, TFS(&tfs_response_request), 0x0,
+ NULL, HFILL }
+ },
+ };
+
+ static gint *ett[] = {
+ &ett_daytime,
+ };
+
+ proto_daytime = proto_register_protocol("Daytime Protocol", "DAYTIME", "daytime");
+ proto_register_field_array(proto_daytime, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ daytime_handle = register_dissector("daytime", dissect_daytime, proto_daytime);
+}
+
+void
+proto_reg_handoff_daytime(void)
+{
+ dissector_add_uint_with_preference("udp.port", DAYTIME_PORT, daytime_handle);
+ dissector_add_uint_with_preference("tcp.port", DAYTIME_PORT, daytime_handle);
+}
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */