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/*
* Copyright (c) 2019 PANTHEON.tech.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <setjmp.h>
#include <cmocka.h>
#include "scvpp_test.h"
#include <scvpp/comm.h>
#include <scvpp/nat.h>
void test_nat44_static_mapping(void **state)
{
UNUSED(state);
nat44_add_del_static_mapping_t map = {0};
nat44_static_mapping_details_t dump = {0};
u8 empty_ip[4] = {0};
int rc;
/*Configure the static mapping
Alternative to this CLI command:
nat44 add static mapping local 172.168.0.1 external 172.168.8.5
*/
sc_aton("172.168.0.1", map.local_ip_address,
sizeof(map.local_ip_address));
sc_aton("172.168.8.5", map.external_ip_address,
sizeof(map.external_ip_address));
map.external_sw_if_index = ~0;
map.is_add = 1;
rc = nat44_add_del_static_mapping(&map);
assert_int_equal(rc, SCVPP_OK);
rc = nat44_static_mapping_dump(&dump);
assert_int_equal(rc, SCVPP_OK);
assert_memory_equal(dump.local_ip_address, map.local_ip_address,
sizeof(dump.local_ip_address));
assert_memory_equal(dump.external_ip_address, map.external_ip_address,
sizeof(dump.external_ip_address));
/* Remove previous config*/
map.is_add = 0;
rc = nat44_add_del_static_mapping(&map);
assert_int_equal(rc, SCVPP_OK);
memset(&dump, 0, sizeof(dump));
rc = nat44_static_mapping_dump(&dump);
assert_int_equal(rc, SCVPP_OK);
assert_memory_equal(dump.local_ip_address, empty_ip,
sizeof(dump.local_ip_address));
assert_memory_equal(dump.external_ip_address, empty_ip,
sizeof(dump.external_ip_address));
}
void test_nat44_static_mapping_with_ports(void **state)
{
UNUSED(state);
nat44_add_del_static_mapping_t map = {0};
nat44_static_mapping_details_t dump = {0};
nat44_add_del_address_range_t range = {0};
u8 empty_ip[4] = {0};
const u16 lport = 77;
const u16 eport = 88;
int rc;
/*Configure address pool
Alternative to this CLI:
nat44 add address 5.4.4.4
*/
sc_aton("5.4.4.4", range.first_ip_address,
sizeof(range.first_ip_address));
sc_aton("5.4.4.4", range.last_ip_address,
sizeof(range.last_ip_address));
range.is_add = 1;
rc = nat44_add_del_addr_range(&range);
assert_int_equal(rc, SCVPP_OK);
/*Configure NAT with ports
Alternative to this CLI:
nat44 add static mapping tcp local 172.168.0.1 77 external 5.4.4.4 88
*/
sc_aton("172.168.0.1", map.local_ip_address,
sizeof(map.local_ip_address));
sc_aton("5.4.4.4", map.external_ip_address,
sizeof(map.external_ip_address));
map.protocol = 6;
map.external_sw_if_index = ~0;
map.external_port = eport;
map.local_port = lport;
map.is_add = 1;
rc = nat44_add_del_static_mapping(&map);
assert_int_equal(rc, SCVPP_OK);
rc = nat44_static_mapping_dump(&dump);
assert_int_equal(rc, SCVPP_OK);
assert_memory_equal(dump.local_ip_address, map.local_ip_address,
sizeof(dump.local_ip_address));
assert_memory_equal(dump.external_ip_address, map.external_ip_address,
sizeof(dump.external_ip_address));
assert_int_equal(dump.local_port, lport);
assert_int_equal(dump.external_port, eport);
/* Remove all previous config*/
map.is_add = 0;
rc = nat44_add_del_static_mapping(&map);
assert_int_equal(rc, SCVPP_OK);
memset(&dump, 0, sizeof(dump));
rc = nat44_static_mapping_dump(&dump);
assert_int_equal(rc, SCVPP_OK);
assert_memory_equal(dump.local_ip_address, empty_ip,
sizeof(dump.local_ip_address));
assert_memory_equal(dump.external_ip_address, empty_ip,
sizeof(dump.external_ip_address));
assert_int_equal(dump.local_port, 0);
assert_int_equal(dump.external_port, 0);
range.is_add = 0;
rc = nat44_add_del_addr_range(&range);
assert_int_equal(rc, SCVPP_OK);
}
const struct CMUnitTest nat_tests[] = {
cmocka_unit_test_setup_teardown(test_nat44_static_mapping, NULL,
NULL),
cmocka_unit_test_setup_teardown(test_nat44_static_mapping_with_ports,
NULL, NULL),
};
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