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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-swipe.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-swipe.c')
-rw-r--r--epan/dissectors/packet-swipe.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/epan/dissectors/packet-swipe.c b/epan/dissectors/packet-swipe.c
new file mode 100644
index 00000000..0c8fee03
--- /dev/null
+++ b/epan/dissectors/packet-swipe.c
@@ -0,0 +1,135 @@
+/* packet-swipe.c
+ * swIPe IP Security Protocol
+ *
+ * http://www.crypto.com/papers/swipe.id.txt
+ *
+ * Copyright 2014 by Michael Mann
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/ipproto.h>
+
+void proto_register_swipe(void);
+void proto_reg_handoff_swipe(void);
+
+/* Routing Header Types */
+static const value_string swipe_packet_type_vals[] = {
+ { 0, "Plain encapsulation" },
+ { 1, "Packet is authenticated but not encrypted" },
+ { 2, "Packet is encrypted" },
+ { 3, "Packet is both authenticated and encrypted" },
+ { 0, NULL }
+};
+
+/* Initialize the protocol and registered fields */
+static int proto_swipe = -1;
+
+static int hf_swipe_packet_type = -1;
+static int hf_swipe_len = -1;
+static int hf_swipe_policy_id = -1;
+static int hf_swipe_packet_seq = -1;
+static int hf_swipe_authenticator = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_swipe = -1;
+
+static dissector_handle_t swipe_handle;
+static dissector_handle_t ipv6_handle;
+
+static int
+dissect_swipe(tvbuff_t *tvb, packet_info * pinfo, proto_tree *tree, void* data _U_)
+{
+ int header_len, offset = 0;
+ proto_tree *swipe_tree;
+ proto_item *ti;
+ tvbuff_t *next_tvb;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "swIPe");
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ header_len = tvb_get_guint8(tvb, offset + 1);
+ if (tree)
+ {
+ ti = proto_tree_add_item(tree, proto_swipe, tvb, offset, header_len, ENC_NA);
+ swipe_tree = proto_item_add_subtree(ti, ett_swipe);
+
+ /* Packet Type */
+ proto_tree_add_item(swipe_tree, hf_swipe_packet_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+ /* Header Length */
+ proto_tree_add_item(swipe_tree, hf_swipe_len, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
+
+ /* Policy ID */
+ proto_tree_add_item(swipe_tree, hf_swipe_policy_id, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
+
+ /* Packet Sequence Number */
+ proto_tree_add_item(swipe_tree, hf_swipe_packet_seq, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
+
+ if (header_len > 8)
+ proto_tree_add_item(swipe_tree, hf_swipe_authenticator, tvb, offset + 8, header_len - 8, ENC_NA);
+ }
+
+ next_tvb = tvb_new_subset_remaining(tvb, header_len);
+ call_dissector(ipv6_handle, next_tvb, pinfo, tree);
+
+ return tvb_captured_length(tvb);
+}
+
+/* Register the protocol with Wireshark */
+void
+proto_register_swipe(void)
+{
+
+ /* Setup list of header fields */
+ static hf_register_info hf[] = {
+ { &hf_swipe_packet_type, { "Packet type", "swipe.packet_type", FT_UINT8, BASE_DEC, VALS(swipe_packet_type_vals), 0x0, NULL, HFILL } },
+ { &hf_swipe_len, { "Header Length", "swipe.len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_swipe_policy_id, { "Policy identifier", "swipe.policy_id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_swipe_packet_seq, { "Packet sequence number", "swipe.packet_seq", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
+ { &hf_swipe_authenticator, { "Authenticator", "swipe.authenticator", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_swipe
+ };
+
+ /* Register the protocol name and description */
+ proto_swipe = proto_register_protocol("swIPe IP Security Protocol", "swIPe", "swipe");
+
+ /* Register the dissector handle */
+ swipe_handle = register_dissector("swipe", dissect_swipe, proto_swipe);
+
+ /* Required function calls to register the header fields and subtrees used */
+ proto_register_field_array(proto_swipe, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_swipe(void)
+{
+ dissector_add_uint("ip.proto", IP_PROTO_SWIPE, swipe_handle);
+
+ ipv6_handle = find_dissector_add_dependency("ipv6", proto_swipe );
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */