193 lines
5.3 KiB
C
193 lines
5.3 KiB
C
/*
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* Copyright (C) 2012 Tobias Brunner
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* Copyright (C) 2012 Giuliano Grassi
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* Copyright (C) 2012 Ralf Sager
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* HSR Hochschule fuer Technik Rapperswil
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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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* 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 "android_ipsec.h"
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#include "../charonservice.h"
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#include <utils/debug.h>
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#include <library.h>
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#include <daemon.h>
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#include <ipsec.h>
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typedef struct private_kernel_android_ipsec_t private_kernel_android_ipsec_t;
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struct private_kernel_android_ipsec_t {
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/**
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* Public kernel interface
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*/
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kernel_android_ipsec_t public;
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/**
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* Listener for lifetime expire events
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*/
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ipsec_event_listener_t ipsec_listener;
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};
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/**
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* Callback registered with libipsec.
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*/
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static void expire(uint8_t protocol, uint32_t spi, host_t *dst, bool hard)
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{
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charon->kernel->expire(charon->kernel, protocol, spi, dst, hard);
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}
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METHOD(kernel_ipsec_t, get_spi, status_t,
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private_kernel_android_ipsec_t *this, host_t *src, host_t *dst,
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uint8_t protocol, uint32_t *spi)
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{
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return ipsec->sas->get_spi(ipsec->sas, src, dst, protocol, spi);
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}
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METHOD(kernel_ipsec_t, get_cpi, status_t,
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private_kernel_android_ipsec_t *this, host_t *src, host_t *dst,
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uint16_t *cpi)
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{
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return NOT_SUPPORTED;
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}
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METHOD(kernel_ipsec_t, add_sa, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_sa_id_t *id,
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kernel_ipsec_add_sa_t *data)
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{
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return ipsec->sas->add_sa(ipsec->sas, id->src, id->dst, id->spi, id->proto,
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data->reqid, id->mark, data->tfc, data->lifetime,
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data->enc_alg, data->enc_key, data->int_alg, data->int_key,
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data->mode, data->ipcomp, data->cpi, data->initiator,
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data->encap, data->esn, data->inbound, data->update);
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}
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METHOD(kernel_ipsec_t, update_sa, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_sa_id_t *id,
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kernel_ipsec_update_sa_t *data)
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{
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return ipsec->sas->update_sa(ipsec->sas, id->spi, id->proto, data->cpi,
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id->src, id->dst, data->new_src, data->new_dst, data->encap,
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data->new_encap, id->mark);
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}
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METHOD(kernel_ipsec_t, query_sa, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_sa_id_t *id,
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kernel_ipsec_query_sa_t *data, uint64_t *bytes, uint64_t *packets,
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time_t *time)
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{
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return ipsec->sas->query_sa(ipsec->sas, id->src, id->dst, id->spi,
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id->proto, id->mark, bytes, packets, time);
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}
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METHOD(kernel_ipsec_t, del_sa, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_sa_id_t *id,
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kernel_ipsec_del_sa_t *data)
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{
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return ipsec->sas->del_sa(ipsec->sas, id->src, id->dst, id->spi, id->proto,
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data->cpi, id->mark);
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}
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METHOD(kernel_ipsec_t, flush_sas, status_t,
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private_kernel_android_ipsec_t *this)
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{
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return ipsec->sas->flush_sas(ipsec->sas);
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}
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METHOD(kernel_ipsec_t, add_policy, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_policy_id_t *id,
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kernel_ipsec_manage_policy_t *data)
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{
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return ipsec->policies->add_policy(ipsec->policies, data->src, data->dst,
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id->src_ts, id->dst_ts, id->dir,
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data->type, data->sa, id->mark,
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data->prio);
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}
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METHOD(kernel_ipsec_t, query_policy, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_policy_id_t *id,
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kernel_ipsec_query_policy_t *data, time_t *use_time)
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{
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return NOT_SUPPORTED;
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}
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METHOD(kernel_ipsec_t, del_policy, status_t,
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private_kernel_android_ipsec_t *this, kernel_ipsec_policy_id_t *id,
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kernel_ipsec_manage_policy_t *data)
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{
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return ipsec->policies->del_policy(ipsec->policies, data->src, data->dst,
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id->src_ts, id->dst_ts, id->dir,
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data->type, data->sa, id->mark,
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data->prio);
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}
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METHOD(kernel_ipsec_t, flush_policies, status_t,
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private_kernel_android_ipsec_t *this)
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{
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ipsec->policies->flush_policies(ipsec->policies);
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return SUCCESS;
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}
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METHOD(kernel_ipsec_t, bypass_socket, bool,
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private_kernel_android_ipsec_t *this, int fd, int family)
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{
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return charonservice->bypass_socket(charonservice, fd, family);
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}
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METHOD(kernel_ipsec_t, enable_udp_decap, bool,
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private_kernel_android_ipsec_t *this, int fd, int family, uint16_t port)
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{
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return NOT_SUPPORTED;
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}
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METHOD(kernel_ipsec_t, destroy, void,
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private_kernel_android_ipsec_t *this)
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{
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ipsec->events->unregister_listener(ipsec->events, &this->ipsec_listener);
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free(this);
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}
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/*
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* Described in header.
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*/
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kernel_android_ipsec_t *kernel_android_ipsec_create()
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{
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private_kernel_android_ipsec_t *this;
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INIT(this,
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.public = {
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.interface = {
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.get_spi = _get_spi,
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.get_cpi = _get_cpi,
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.add_sa = _add_sa,
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.update_sa = _update_sa,
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.query_sa = _query_sa,
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.del_sa = _del_sa,
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.flush_sas = _flush_sas,
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.add_policy = _add_policy,
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.query_policy = _query_policy,
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.del_policy = _del_policy,
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.flush_policies = _flush_policies,
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.bypass_socket = _bypass_socket,
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.enable_udp_decap = _enable_udp_decap,
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.destroy = _destroy,
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},
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},
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.ipsec_listener = {
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.expire = expire,
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},
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);
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ipsec->events->register_listener(ipsec->events, &this->ipsec_listener);
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return &this->public;
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}
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