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srsRAN_4G/srsue/test/upper/tft_test.cc

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/*
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srslte/asn1/liblte_mme.h"
#include "srslte/common/log_filter.h"
#include "srsue/hdr/stack/upper/tft_packet_filter.h"
#include <iostream>
#include <memory>
#include <srslte/common/buffer_pool.h>
#include <srslte/common/int_helpers.h>
#include <srslte/srslte.h>
#define TESTASSERT(cond) \
{ \
if (!(cond)) { \
std::cout << "[" << __FUNCTION__ << "][Line " << __LINE__ << "]: FAIL at " << (#cond) << std::endl; \
return -1; \
} \
}
using namespace srsue;
using namespace srslte;
// IP test message 1
// Source IP 127.0.0.1, Destination IP 127.0.0.2
// Protocol UDP
// Source port 2222, Destination port 2001
uint8_t ip_tst_message1[] = {
0x45, 0x04, 0x00, 0x5c, 0xb5, 0x8e, 0x40, 0x00, 0x40, 0x11, 0x86, 0xfb, 0x7f, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00,
0x02, 0x08, 0xae, 0x07, 0xd1, 0x00, 0x48, 0xfe, 0x5c, 0xaf, 0xed, 0x69, 0x5a, 0x77, 0x80, 0x6e, 0x2f, 0x5e, 0xf3,
0x76, 0x17, 0x05, 0xe4, 0x2b, 0xca, 0xb2, 0xd2, 0xcb, 0xa5, 0x58, 0x06, 0xc5, 0x02, 0x8d, 0xf1, 0x7a, 0x3d, 0x4f,
0x14, 0x34, 0x58, 0x92, 0x37, 0x7c, 0x95, 0x53, 0x18, 0xa3, 0xff, 0x08, 0x1b, 0x07, 0x99, 0x94, 0xe2, 0x10, 0x0d,
0x3d, 0x25, 0x20, 0x13, 0x95, 0x84, 0x53, 0x4b, 0x6a, 0x92, 0x64, 0x5a, 0xce, 0xbb, 0x6c, 0x3a,
};
uint32_t ip_message_len1 = sizeof(ip_tst_message1);
// IP test message 2
// Source IP 172.16.3.40, Destination IP 172.16.3.41
// Protocol UDP
// Source port 8000, Destination Port 9000
uint8_t ip_tst_message2[] = {
0x45, 0x00, 0x00, 0x5c, 0x7a, 0x02, 0x40, 0x00, 0x40, 0x11, 0x62, 0x1d, 0xac, 0x10, 0x03, 0x28, 0xac, 0x10, 0x03,
0x29, 0x1f, 0x40, 0x23, 0x28, 0x00, 0x48, 0x5e, 0xcb, 0xcc, 0x29, 0x54, 0x9a, 0xf5, 0x18, 0xab, 0x86, 0x8b, 0x5e,
0x5c, 0xc8, 0x80, 0x55, 0x85, 0xd4, 0xcd, 0x25, 0xa2, 0x94, 0x28, 0xcc, 0xbc, 0xa4, 0xe6, 0x69, 0xcc, 0x45, 0x0c,
0x9e, 0xb4, 0xf3, 0x78, 0xaf, 0xa0, 0xba, 0xcf, 0xd1, 0xd2, 0xce, 0x7d, 0x7f, 0x94, 0x4a, 0x73, 0xd4, 0x2d, 0xd2,
0x88, 0x29, 0x60, 0x02, 0xde, 0x41, 0x11, 0xc2, 0xaa, 0x5e, 0x9e, 0x27, 0x74, 0xa5, 0xd3, 0x19};
uint32_t ip_message_len2 = sizeof(ip_tst_message2);
// IPv6 test filter
// Packet filter: 0
// Packet filter component type identifier: Protocol identifier/Next header type (48)
// Protocol/header: UDP (0x11)
// Packet filter component type identifier: IPv6 remote address type (32)
// IPv6 address: 2a02:14f:ffc0:51::6
// IPv6 address mask: ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
// Packet filter component type identifier: Single remote port type (80)
// Port: 35082
// Packet filter component type identifier: Single local port type (64)
// Port: 50010
uint8_t ipv6_filter[] = {0x30, 0x11, 0x20, 0x2a, 0x02, 0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x06, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x50, 0x89, 0x0a, 0x40, 0xc3, 0x5a};
// IPv6 test packets
uint8_t ipv6_matched_packet[] = {0x60, 0x0e, 0xa3, 0x96, 0x00, 0x16, 0x11, 0xff, 0x2a, 0x02, 0x01, 0x4f, 0x01,
0x9f, 0xec, 0xe9, 0xfc, 0xf5, 0x73, 0x48, 0xc6, 0xed, 0x19, 0xe6, 0x2a, 0x02,
0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0xc3, 0x5a, 0x89, 0x0a, 0x00, 0x16, 0x31, 0xd9, 0x80, 0x61, 0x00, 0x01,
0x00, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
uint8_t ipv6_unmatched_packet_tcp[] = {
0x60, 0x0e, 0xa3, 0x96, 0x00, 0x16, /**/ 0x06 /**/, 0xff, 0x2a, 0x02, 0x01, 0x4f, 0x01, 0x9f, 0xec, 0xe9,
0xfc, 0xf5, 0x73, 0x48, 0xc6, 0xed, 0x19, 0xe6, 0x2a, 0x02, 0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0xc3, 0x5a, 0x89, 0x0a, 0x00, 0x16, 0x31, 0xd9,
0x80, 0x61, 0x00, 0x01, 0x00, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
uint8_t ipv6_unmatched_packet_daddr[] = {
0x60, 0x0e, 0xa3, 0x96, 0x00, 0x16, 0x11, 0xff, 0x2a, 0x02, 0x01, 0x4f, 0x01, 0x9f, 0xec, 0xe9,
0xfc, 0xf5, 0x73, 0x48, 0xc6, 0xed, 0x19, 0xe6, 0x2a, 0x02, 0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /**/ 0x07, /**/ 0xc3, 0x5a, 0x89, 0x0a, 0x00, 0x16, 0x31, 0xd9,
0x80, 0x61, 0x00, 0x01, 0x00, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
uint8_t ipv6_unmatched_packet_rport[] = {
0x60, 0x0e, 0xa3, 0x96, 0x00, 0x16, 0x11, 0xff, 0x2a, 0x02, 0x01, 0x4f, 0x01, 0x9f, 0xec, 0xe9,
0xfc, 0xf5, 0x73, 0x48, 0xc6, 0xed, 0x19, 0xe6, 0x2a, 0x02, 0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0xc3, 0x5a, 0x89, /**/ 0x0b /**/, 0x00, 0x16, 0x31, 0xd9,
0x80, 0x61, 0x00, 0x01, 0x00, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
uint8_t ipv6_unmatched_packet_lport[] = {
0x60, 0x0e, 0xa3, 0x96, 0x00, 0x16, 0x11, 0xff, 0x2a, 0x02, 0x01, 0x4f, 0x01, 0x9f, 0xec, 0xe9,
0xfc, 0xf5, 0x73, 0x48, 0xc6, 0xed, 0x19, 0xe6, 0x2a, 0x02, 0x01, 0x4f, 0xff, 0xc0, 0x00, 0x51,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0xc3, /**/ 0x5b /**/, 0x89, 0x0b, 0x00, 0x16, 0x31, 0xd9,
0x80, 0x61, 0x00, 0x01, 0x00, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
#define EPS_BEARER_ID 6
#define LCID 1
int tft_filter_test_ipv6_combined()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2, ip_msg3, ip_msg4, ip_msg5;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
ip_msg3 = allocate_unique_buffer(*pool);
ip_msg4 = allocate_unique_buffer(*pool);
ip_msg5 = allocate_unique_buffer(*pool);
// Set IP test message
ip_msg1->N_bytes = sizeof(ipv6_matched_packet);
memcpy(ip_msg1->msg, ipv6_matched_packet, sizeof(ipv6_matched_packet));
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IPv6 test message - match\n");
// Set IP test message
ip_msg2->N_bytes = sizeof(ipv6_unmatched_packet_tcp);
memcpy(ip_msg2->msg, ipv6_unmatched_packet_tcp, sizeof(ipv6_unmatched_packet_tcp));
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IPv6 test message - unmatched tcp\n");
// Set IP test message
ip_msg3->N_bytes = sizeof(ipv6_unmatched_packet_daddr);
memcpy(ip_msg3->msg, ipv6_unmatched_packet_daddr, sizeof(ipv6_unmatched_packet_daddr));
log1.info_hex(ip_msg3->msg, ip_msg3->N_bytes, "IPv6 test message - unmatched daddr\n");
// Set IP test message
ip_msg4->N_bytes = sizeof(ipv6_unmatched_packet_rport);
memcpy(ip_msg4->msg, ipv6_unmatched_packet_rport, sizeof(ipv6_unmatched_packet_rport));
log1.info_hex(ip_msg4->msg, ip_msg4->N_bytes, "IPv6 test message - unmatched rport\n");
// Set IP test message
ip_msg5->N_bytes = sizeof(ipv6_unmatched_packet_lport);
memcpy(ip_msg5->msg, ipv6_unmatched_packet_lport, sizeof(ipv6_unmatched_packet_lport));
log1.info_hex(ip_msg5->msg, ip_msg5->N_bytes, "IPv6 test message - unmatched lport\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = sizeof(ipv6_filter);
memcpy(packet_filter.filter, ipv6_filter, sizeof(ipv6_filter));
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
TESTASSERT(!filter.match(ip_msg3));
TESTASSERT(!filter.match(ip_msg4));
TESTASSERT(!filter.match(ip_msg5));
printf("Test TFT filter ipv6 combined successfull\n");
return 0;
}
int tft_filter_test_single_local_port()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
// Filter length: 3 bytes
// Filter type: Single local port
// Local port: 2222
uint8_t filter_message[3];
filter_message[0] = SINGLE_LOCAL_PORT_TYPE;
srslte::uint16_to_uint8(2222, &filter_message[1]);
// Set IP test message
ip_msg1->N_bytes = ip_message_len1;
memcpy(ip_msg1->msg, ip_tst_message1, ip_message_len1);
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IP test message\n");
// Set IP test message
ip_msg2->N_bytes = ip_message_len2;
memcpy(ip_msg2->msg, ip_tst_message2, ip_message_len1);
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IP test message\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = 3;
memcpy(packet_filter.filter, filter_message, 3);
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
printf("Test TFT filter single local port successfull\n");
return 0;
}
int tft_filter_test_single_remote_port()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
// Filter length: 3 bytes
// Filter type: Single remote port
// Remote port: 2001
uint8_t filter_message[3];
filter_message[0] = SINGLE_REMOTE_PORT_TYPE;
srslte::uint16_to_uint8(2001, &filter_message[1]);
// Set IP test message
ip_msg1->N_bytes = ip_message_len1;
memcpy(ip_msg1->msg, ip_tst_message1, ip_message_len1);
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IP test message\n");
// Set IP test message
ip_msg2->N_bytes = ip_message_len2;
memcpy(ip_msg2->msg, ip_tst_message2, ip_message_len1);
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IP test message\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = 3;
memcpy(packet_filter.filter, filter_message, 3);
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
printf("Test TFT packet filter single remote port successfull\n");
return 0;
}
int tft_filter_test_ipv4_local_addr()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
// Filter length: 9 bytes
// Filter type: IPv4 local address
// Local address: 127.0.0.1
// Subnet mask: 255.0.0.0
uint8_t filter_message[9];
uint8_t filter_size = 9;
filter_message[0] = IPV4_LOCAL_ADDR_TYPE;
inet_pton(AF_INET, "127.0.0.1", &filter_message[1]);
inet_pton(AF_INET, "255.0.0.0", &filter_message[5]);
// Set IP test message
ip_msg1->N_bytes = ip_message_len1;
memcpy(ip_msg1->msg, ip_tst_message1, ip_message_len1);
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IP test message\n");
// Set IP test message
ip_msg2->N_bytes = ip_message_len2;
memcpy(ip_msg2->msg, ip_tst_message2, ip_message_len2);
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IP test message\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = filter_size;
memcpy(packet_filter.filter, filter_message, filter_size);
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
printf("Test TFT packet filter local IPv4 address successfull\n");
return 0;
}
int tft_filter_test_ipv4_remote_addr()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
// Filter length: 5 bytes
// Filter type: IPv4 local address
// Remote address: 127.0.0.2
uint8_t filter_message[9];
uint8_t filter_size = 9;
filter_message[0] = IPV4_REMOTE_ADDR_TYPE;
inet_pton(AF_INET, "127.0.0.2", &filter_message[1]);
inet_pton(AF_INET, "255.0.0.0", &filter_message[5]);
// Set IP test message
ip_msg1->N_bytes = ip_message_len1;
memcpy(ip_msg1->msg, ip_tst_message1, ip_message_len1);
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IP test message\n");
// Set IP test message
ip_msg2->N_bytes = ip_message_len2;
memcpy(ip_msg2->msg, ip_tst_message2, ip_message_len2);
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IP test message\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = filter_size;
memcpy(packet_filter.filter, filter_message, filter_size);
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
printf("Test TFT packet filter remote IPv4 address successfull\n");
return 0;
}
int tft_filter_test_ipv4_tos()
{
srslte::log_filter log1("TFT");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(128);
srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
srslte::unique_byte_buffer_t ip_msg1, ip_msg2;
ip_msg1 = allocate_unique_buffer(*pool);
ip_msg2 = allocate_unique_buffer(*pool);
// Filter length: 3 bytes
// Filter type: Type of service
// ToS: 4
// ToS mask: 255
uint8_t filter_message[3];
uint8_t filter_size = 3;
filter_message[0] = TYPE_OF_SERVICE_TYPE;
filter_message[1] = 4;
filter_message[2] = 255;
// Set IP test message
ip_msg1->N_bytes = ip_message_len1;
memcpy(ip_msg1->msg, ip_tst_message1, ip_message_len1);
log1.info_hex(ip_msg1->msg, ip_msg1->N_bytes, "IP test message\n");
// Set IP test message
ip_msg2->N_bytes = ip_message_len2;
memcpy(ip_msg2->msg, ip_tst_message2, ip_message_len2);
log1.info_hex(ip_msg2->msg, ip_msg2->N_bytes, "IP test message\n");
// Packet filter
LIBLTE_MME_PACKET_FILTER_STRUCT packet_filter;
packet_filter.dir = LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL;
packet_filter.id = 1;
packet_filter.eval_precedence = 0;
packet_filter.filter_size = filter_size;
memcpy(packet_filter.filter, filter_message, filter_size);
srsue::tft_packet_filter_t filter(EPS_BEARER_ID, LCID, packet_filter, &log1);
// Check filter
TESTASSERT(filter.match(ip_msg1));
TESTASSERT(!filter.match(ip_msg2));
printf("Test TFT packet filter type of service successfull\n");
return 0;
}
int main(int argc, char** argv)
{
srslte::byte_buffer_pool::get_instance();
if (tft_filter_test_single_local_port()) {
return -1;
}
if (tft_filter_test_single_remote_port()) {
return -1;
}
if (tft_filter_test_ipv4_local_addr()) {
return -1;
}
if (tft_filter_test_ipv4_remote_addr()) {
return -1;
}
if (tft_filter_test_ipv4_tos()) {
return -1;
}
if (tft_filter_test_ipv6_combined()) {
return -1;
}
srslte::byte_buffer_pool::cleanup();
}
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