#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/version.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <stdio.h>
#include <assert.h>

#include "skb_fake.h"
#include "slab_fake.h"

#include "libreswan.h"
#include "libreswan/ipsec_rcv.h"
#include "libreswan/ipsec_sa.h"
#include "libreswan/ipsec_policy.h"
#include "libreswan/ipsec_proto.h"
#include "libreswan/pfkeyv2.h"
#include "libreswan/pfkey.h"

extern int debug_rcv;

struct prng ipsec_prng;

struct supported_list *pfkey_supported_list[SADB_SATYPE_MAX + 1];

bool should_i_fail(const char *func)
{
	return 0;
}

bool should_i_fail_once(const char *func)
{
	return 0;
}

void sock_wfree(struct sk_buff *skb)
{
}

void sock_rfree(struct sk_buff *skb)
{
}

void *field_value(const void *strct, const char *name)
{
	return NULL;
}

void field_attach(const void *strct, const char *name, void *val)
{
}

void field_attach_static(const void *strct, const char *name, void *val)
{
}

void field_detach(const void *strct, const char *name)
{
}

void field_detach_all(const void *strct, const char *name)
{
}

int pfkey_list_insert_supported(struct ipsec_alg_supported *supported,
				struct supported_list **supported_list)
{
	return -1;
}

int pfkey_list_remove_supported(struct ipsec_alg_supported *supported,
				struct supported_list **supported_list)
{
	return -1;
}

#include "rcv01pack.c"

int netif_rx_count = 0;

int netif_rx(struct sk_buff *skb)
{
	ipsec_dmp_block("netif_rx", skb->data, skb->len);
	ipsec_dmp_block("shouldbe", (unsigned char *)packet10 + 14,
			packet10_len - 14);
	netif_rx_count++;
	return 0;
}

int pfkey_register_reply(int satype, struct sadb_msg *sadb_msg)
{
	return 0;
}

void ipsec_print_ip(struct iphdr *ip)
{
}

struct net_device *ipsec_get_device(int inst)
{
	struct net_device *ipsec_dev;

	ipsec_dev = NULL;

	return ipsec_dev;
}

int pfkey_expire(struct ipsec_sa *sa, int time)
{
	return 1;
}

int pfkey_nat_t_new_mapping(struct ipsec_sa *sa, struct sockaddr *mapping,
			    __u16 port)
{
	return 1;
}

struct sk_buff *skb_decompress(struct sk_buff *skb)
{
	return skb;
}

struct sk_buff *skb_compress(struct sk_buff *skb)
{
	return skb;
}

unsigned char seed[8] = { 0x01, 0x02, 0x03, 0x04,
			  0x05, 0x06, 0x07, 0x08 };

int main(char *argv[], int argc)
{
	int ret;
	int error;
	struct sockaddr_in saddr, daddr;
	struct sockaddr_in saddr2, daddr2;
	void *rcv01_talloc = NULL;

	struct ipsec_sa *sa, *sa1;
	char auth1[] = { 0x87, 0x65, 0x87, 0x65,
			 0x87, 0x65, 0x87, 0x65,
			 0x87, 0x65, 0x87, 0x65,
			 0x87, 0x65, 0x87, 0x65 };
	char enc[] = { 0x40, 0x43, 0x43, 0x45, 0x45, 0x46, 0x46, 0x49,
		       0x49, 0x4a, 0x4a, 0x4c, 0x4c, 0x4f, 0x4f, 0x51,
		       0x51, 0x52, 0x52, 0x54, 0x54, 0x57, 0x57, 0x58 };

	debug_xform = 1;
	init_kmalloc();
	debug_rcv = 0xffffffff;
	sysctl_ipsec_debug_verbose = 1;
	prng_init(&ipsec_prng, seed, sizeof(seed));
	ipsec_sadb_init();
	ipsec_alg_init();

	{
		sa1 = ipsec_sa_alloc(&error);
		assert(error == 0);

		ipsec_sa_intern(sa1);

		sa1->ips_said.spi = htonl(0x12345678);
		sa1->ips_said.proto = IPPROTO_IPIP;
		sa1->ips_said.dst.u.v4.sin_addr.s_addr = htonl(0xc001022D);

		sa1->ips_seq = 1;
		sa1->ips_pid = 10;

		sa1->ips_state = SADB_SASTATE_MATURE;
		daddr2.sin_addr.s_addr = htonl(0xc001022D);
		saddr2.sin_addr.s_addr = htonl(0xc0010217);
		sa1->ips_addr_s = (struct sockaddr *)&saddr2;
		sa1->ips_addr_d = (struct sockaddr *)&daddr2;
	}

	{
		sa = ipsec_sa_alloc(&error);

		ipsec_sa_intern(sa);

		assert(error == 0);
		sa->ips_said.spi = htonl(0x12345678);
		sa->ips_said.proto = IPPROTO_ESP;
		sa->ips_said.dst.u.v4.sin_addr.s_addr = htonl(0xc001022D);

		sa->ips_seq = 1;
		sa->ips_pid = 10;
		sa->ips_inext = sa1;

		{
			/* make a copy so that ipsec_sa_init() can zero it out */
			char *auth = talloc_size(rcv01_talloc, AHMD596_KLEN);

			memcpy(auth, auth1, AHMD596_KLEN);
			sa->ips_authalg = AH_MD5;
			sa->ips_key_bits_a = AHMD596_KLEN * 8;
			sa->ips_key_a = auth;
		}

		sa->ips_encalg = ESP_3DES;
		sa->ips_key_bits_e = 192;
		sa->ips_iv_bits = 128;
		sa->ips_key_e_size = 0;
		sa->ips_key_e = talloc_memdup(rcv01_talloc, enc,
					      sa->ips_key_bits_e);

		sa->ips_state = SADB_SASTATE_MATURE;
		daddr.sin_addr.s_addr = htonl(0xc001022D);
		saddr.sin_addr.s_addr = htonl(0xc0010217);
		sa->ips_addr_s = (struct sockaddr *)&saddr;
		sa->ips_addr_d = (struct sockaddr *)&daddr;

		ipsec_sa_add(sa);
		assert(ipsec_sa_init(sa) == 0);
		//ipsec_sa_put(sa);
	}

	{
		struct sk_buff *skb = skbFromArray(packet1, packet1_len);
		skb_ethernet_ip_setup(skb);

		ret = ipsec_rcv(skb);
		assert(netif_rx_count == 1);
	}

	ipsec_sadb_cleanup(0); /* 0 = all protocols */

	exit(0);
}