99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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* Copyright (C) 2010 Martin Willi
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* Copyright (C) 2010 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "hook.h"
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#include <encoding/payloads/sa_payload.h>
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typedef struct private_log_proposals_t private_log_proposals_t;
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/**
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* Private data of an log_proposals_t object.
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*/
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struct private_log_proposals_t {
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/**
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* Implements the hook_t interface.
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*/
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hook_t hook;
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};
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METHOD(listener_t, message, bool,
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private_log_proposals_t *this, ike_sa_t *ike_sa, message_t *message,
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bool incoming, bool plain)
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{
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if (incoming && plain)
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{
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enumerator_t *enumerator, *proposals;
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payload_t *payload;
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linked_list_t *list;
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sa_payload_t *sa;
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proposal_t *proposal;
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enumerator = message->create_payload_enumerator(message);
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while (enumerator->enumerate(enumerator, &payload))
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{
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if (payload->get_type(payload) == PLV2_SECURITY_ASSOCIATION)
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{
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sa = (sa_payload_t*)payload;
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list = sa->get_proposals(sa);
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DBG1(DBG_CFG, "received %d proposal%s:", list->get_count(list),
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list->get_count(list) == 1 ? "" : "s");
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proposals = list->create_enumerator(list);
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while (proposals->enumerate(proposals, &proposal))
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{
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uint64_t spi = proposal->get_spi(proposal);
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if (proposal->get_protocol(proposal) != PROTO_IKE)
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{
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spi = htonl(spi);
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}
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DBG1(DBG_CFG, " %d (SPI 0x%llx): %P",
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proposal->get_number(proposal), spi, proposal);
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}
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proposals->destroy(proposals);
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list->destroy_offset(list, offsetof(proposal_t, destroy));
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}
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}
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enumerator->destroy(enumerator);
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}
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return TRUE;
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}
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METHOD(hook_t, destroy, void,
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private_log_proposals_t *this)
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{
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free(this);
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}
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/**
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* Create the IKE_AUTH fill hook
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*/
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hook_t *log_proposals_hook_create(char *name)
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{
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private_log_proposals_t *this;
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INIT(this,
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.hook = {
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.listener = {
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.message = _message,
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},
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.destroy = _destroy,
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},
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);
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return &this->hook;
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}
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