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/* IKEv2 nat traversal, for libreswan
*
* Copyright (C) 2021 Andrew Cagney
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef IKEV1_NAT_H
#define IKEV1_NAT_H
/*
* NAT-D
*/
extern bool ikev1_nat_traversal_add_natd(struct pbs_out *outs,
const struct msg_digest *md);
bool v1_nat_traversal_add_initiator_natoa(struct pbs_out *outs, struct state *st);
/*
* move initiator endpoints (src, dst) to NAT ports.
*/
void v1_maybe_natify_initiator_endpoints(struct state *st,
where_t where);
void ikev1_natd_init(struct ike_sa *ike, struct msg_digest *md);
/**
* Vendor ID
*/
bool emit_nat_traversal_vid(struct pbs_out *outs, const struct connection *c);
void check_nat_traversal_vid(struct ike_sa *ike, const struct msg_digest *md);
/**
* NAT-OA
*/
void nat_traversal_natoa_lookup(struct msg_digest *md,
struct hidden_variables *hv,
struct logger *logger);
#endif
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