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/* demultiplex incoming IKE messages
* Copyright (C) 1997 Angelos D. Keromytis.
* Copyright (C) 1998-2002 D. Hugh Redelmeier.
* Copyright (C) 2019 Andrew Cagney <cagney@gnu.org>
*
* 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.
*
*/
#include "defs.h"
#include "log.h"
#include "demux.h" /* needs packet.h */
#include "iface.h"
struct msg_digest *alloc_md(const struct iface_endpoint *ifp, const ip_endpoint *sender, where_t where)
{
/* convenient initializer:
* - all pointers NULL
* - .note = NOTHING_WRONG
* - .encrypted = FALSE
*/
struct msg_digest *md = refcnt_alloc(struct msg_digest, where);
md->iface = ifp;
md->sender = *sender;
md->md_logger = alloc_logger(md, &logger_message_vec, where);
return md;
}
struct msg_digest *clone_raw_md(struct msg_digest *md, where_t where)
{
struct msg_digest *clone = alloc_md(md->iface, &md->sender, where);
clone->fake_clone = true;
clone->md_inception = threadtime_start();
/* packet_pbs ... */
size_t packet_size = pbs_room(&md->packet_pbs);
void *packet_bytes = clone_bytes(md->packet_pbs.start, packet_size, "clone md");
init_pbs(&clone->packet_pbs, packet_bytes, packet_size, "clone md");
return clone;
}
struct msg_digest *md_addref(struct msg_digest *md, where_t where)
{
return refcnt_addref(md, where);
}
static void free_mdp(struct msg_digest **mdp, where_t where)
{
free_chunk_content(&(*mdp)->raw_packet);
free_logger(&(*mdp)->md_logger, where);
pfreeany((*mdp)->packet_pbs.start);
pfree(*mdp);
*mdp = NULL;
}
void md_delref(struct msg_digest **mdp, where_t where)
{
refcnt_delref(mdp, free_mdp, where);
}
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