forked from osmocom/wireshark
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* packet-tls.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_TLS_H__
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#define __PACKET_TLS_H__
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#include "ws_symbol_export.h"
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#include <epan/packet.h>
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/** Maps Session-ID to pre-master secrets. */
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WS_DLL_PUBLIC GHashTable *ssl_session_hash;
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/** Maps Client Random to pre-master secrets. */
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WS_DLL_PUBLIC GHashTable *ssl_crandom_hash;
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WS_DLL_PUBLIC void ssl_dissector_add(guint port, dissector_handle_t handle);
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WS_DLL_PUBLIC void ssl_dissector_delete(guint port, dissector_handle_t handle);
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WS_DLL_PUBLIC void ssl_set_master_secret(guint32 frame_num, address *addr_srv, address *addr_cli,
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port_type ptype, guint32 port_srv, guint32 port_cli,
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guint32 version, gint cipher, const guchar *_master_secret,
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const guchar *_client_random, const guchar *_server_random,
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guint32 client_seq, guint32 server_seq);
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/**
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* Retrieves Libgcrypt identifiers for the current TLS cipher. Only valid after
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* the Server Hello has been processed and if the current conversation has TLS.
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* Alternatively, this conversation lookup can be skipped if the current cipher
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* ('cipher_suite') is provided (non-zero).
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*/
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extern gboolean
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tls_get_cipher_info(packet_info *pinfo, guint16 cipher_suite, int *cipher_algo, int *cipher_mode, int *hash_algo);
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/**
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* Computes the TLS 1.3 "TLS-Exporter(label, context_value, key_length)" value.
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* On success, the secret is in "out" (free with "wmem_free(NULL, out)").
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*/
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gboolean
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tls13_exporter(packet_info *pinfo, gboolean is_early,
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const char *label, guint8 *context,
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guint context_length, guint key_length, guchar **out);
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gint
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tls13_get_quic_secret(packet_info *pinfo, gboolean is_from_server, int type, guint secret_min_len, guint secret_max_len, guint8 *secret_out);
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/**
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* Returns the application-layer protocol name (ALPN) for the current TLS
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* session, or NULL if unavailable.
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*/
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const char *
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tls_get_alpn(packet_info *pinfo);
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#endif /* __PACKET_TLS_H__ */
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