DrPizza

#include <type_traits>
#include <cstddef>

template<typename T>
struct wrapper {
protected:
	wrapper() {}
};

struct base {};

DrPizza

#include <type_traits>
#include <cstddef>

template<typename T>
struct wrapper {
protected:
	wrapper() {}
};

struct base {};

DrPizza

// compile with -std=gnu99 -lrt

#define _GNU_SOURCE

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>

DrPizza

template <typename F, std::size_t... Indices, typename... Args>
static void __forceinline unroll_aux(F&& fun, std::index_sequence<Indices...>, Args&&... args)
{
	using swallow = int[];
	static_cast<void>(swallow{ 0, (std::forward<F>(fun)(std::forward<Args>(args)...), void(), Indices)... });
}

template <size_t N, typename F, typename... Args>
static void __forceinline unroll(F&& fun, Args&&... args)
{

DrPizza

#define _GNU_SOURCE

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <ucontext.h>

DrPizza

Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
56191 7349K delegate_input  all  --  any    any     anywhere             anywhere

Chain FORWARD (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
2314K 1341M delegate_forward  all  --  any    any     anywhere             anywhere

Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

DrPizza

^Croot@r8000:/etc# ipsec statusall
no files found matching '/etc/strongswan.d/*.conf'
Status of IKE charon daemon (strongSwan 5.3.3, Linux 3.18.23, armv7l):
  uptime: 6 minutes, since Apr 16 17:48:45 2016
  malloc: sbrk 262144, mmap 0, used 242960, free 19184
  worker threads: 9 of 16 idle, 7/0/0/0 working, job queue: 0/0/0/0, scheduled: 1
  loaded plugins: charon test-vectors ldap pkcs11 aes des blowfish rc2 sha1 sha2 md4 md5 random nonce x509 revocation constraints pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem openssl gcrypt af-alg fips-prf gmp agent xcbc cmac hmac ctr ccm gcm curl mysql sqlite attr kernel-netlink resolve socket-default farp stroke smp updown eap-identity eap-md5 eap-mschapv2 eap-radius eap-tls xauth-generic xauth-eap dhcp whitelist led duplicheck uci addrblock unity
Virtual IP pools (size/online/offline):
  192.168.1.16/27: 15/0/0
Listening IP addresses:

DrPizza

Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[NET] received packet: from 172.58.224.135[57586] to 74.64.40.133[500] (880 bytes)
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[ENC] parsed IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) V V V V ]
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[IKE] received MS NT5 ISAKMPOAKLEY v9 vendor ID
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[IKE] received MS-Negotiation Discovery Capable vendor ID
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[IKE] received Vid-Initial-Contact vendor ID
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[ENC] received unknown vendor ID: 01:52:8b:bb:c0:06:96:12:18:49:ab:9a:1c:5b:2a:51:00:00:00:02
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[IKE] 172.58.224.135 is initiating an IKE_SA
Sat Apr 16 17:48:56 2016 authpriv.info syslog: 08[IKE] 172.58.224.135 is initiating an IKE_SA
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[IKE] remote host is behind NAT
Sat Apr 16 17:48:56 2016 daemon.info syslog: 08[ENC] generating IKE

DrPizza

config setup
        # strictcrlpolicy=yes
        # uniqueids = no
        charondebug="cfg 3, dmn 3, ike 3, net 3"

# Add connections here.

conn %default
        keyexchange=ikev2

DrPizza

root@r8000:~# lsmod
act_ipt                 2374  0
act_mirred              2258  1
act_police              2963  0
act_skbedit             1562  0
aead                    4248  3 esp6
af_alg                  3695  2 algif_skcipher
af_key                 22624  0
ah4                     4556  0
ah6                     4530  0