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libtins/tests/src/dhcp.cpp
Matias Fontanini e945ced307 Modified some file names.
2012-09-10 10:31:00 -03:00

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#include <gtest/gtest.h>
#include <cstring>
#include <string>
#include <stdint.h>
#include <list>
#include <string>
#include "dhcp.h"
#include "utils.h"
#include "ethernetII.h"
#include "hw_address.h"
#include "ip_address.h"
using namespace std;
using namespace Tins;
class DHCPTest : public testing::Test {
public:
static const uint8_t expected_packet[];
static const BootP::chaddr_type chaddr;
static const uint8_t sname[], file[];
static const IPv4Address addr;
void test_equals(const DHCP &dhcp1, const DHCP &dhcp2);
void test_option(const DHCP &dhcp, DHCP::Options opt, uint32_t len = 0, uint8_t *value = 0);
};
const BootP::chaddr_type DHCPTest::chaddr("16:ab:54:12:fa:ca:56:7f:1b:65:11:fa:da:ab:19:18");
const uint8_t DHCPTest::sname[] = "\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xbb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xcb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xeb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xfb\x19\x18";
const uint8_t DHCPTest::file[] = "\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xbb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xcb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xeb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xfb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xbb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xcb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xeb\x19\x18"
"\x16\xab\x54\x12\xfa\xca\x56\x7f\x1b\x65\x11\xfa\xda\xfb\x19\x18";
const IPv4Address DHCPTest::addr("192.168.8.1");
const uint8_t DHCPTest::expected_packet[] = {
'\x01', '\x01', '\x06', '\x1f', '?', '\xab', '#', '\xde', '\x9f',
'\x1a', '\x00', '\x00', '\xc0', '\xa8', '\x00', 'f', '\xf3', '\x16',
'"', 'b', '\xa7', ' ', '\x0b', '\x9a', '{', '+', '7', '\xfe', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
'c', '\x82', 'S', 'c', '6', '\x04', '\xc0', '\xa8', '\x04', '\x02',
'\x01', '\x04', '\xff', '\xff', ' ', '\x0b', '5', '\x01', '\x04', '\x03',
'\x08', '\xc0', '\xa8', '\x00', '\x01', '\x7f', '\x00', '\x00', '\x01',
'\x06', '\x08', '\xc0', '\xa8', '\x00', '\x02', '\x7f', '\x00', '\x00',
'\x01'
};
TEST_F(DHCPTest, DefaultConstructor) {
DHCP dhcp;
EXPECT_EQ(dhcp.htype(), 1);
EXPECT_EQ(dhcp.hlen(), (const size_t)EthernetII::address_type::address_size);
}
TEST_F(DHCPTest, CopyConstructor) {
DHCP dhcp1(expected_packet, sizeof(expected_packet));
DHCP dhcp2(dhcp1);
test_equals(dhcp1, dhcp2);
}
TEST_F(DHCPTest, CopyAssignmentOperator) {
DHCP dhcp1(expected_packet, sizeof(expected_packet));
DHCP dhcp2 = dhcp1;
test_equals(dhcp1, dhcp2);
}
TEST_F(DHCPTest, NestedCopy) {
}
TEST_F(DHCPTest, OpCode) {
DHCP dhcp;
dhcp.opcode(0x71);
EXPECT_EQ(dhcp.opcode(), 0x71);
}
TEST_F(DHCPTest, HType) {
DHCP dhcp;
dhcp.htype(0x71);
EXPECT_EQ(dhcp.htype(), 0x71);
}
TEST_F(DHCPTest, HLen) {
DHCP dhcp;
dhcp.hlen(0x71);
EXPECT_EQ(dhcp.hlen(), 0x71);
}
TEST_F(DHCPTest, HOps) {
DHCP dhcp;
dhcp.hops(0x71);
EXPECT_EQ(dhcp.hops(), 0x71);
}
TEST_F(DHCPTest, Xid) {
DHCP dhcp;
dhcp.xid(0x71bd167c);
EXPECT_EQ(dhcp.xid(), 0x71bd167c);
}
TEST_F(DHCPTest, Secs) {
DHCP dhcp;
dhcp.secs(0x71bd);
EXPECT_EQ(dhcp.secs(), 0x71bd);
}
TEST_F(DHCPTest, Padding) {
DHCP dhcp;
dhcp.padding(0x71bd);
EXPECT_EQ(dhcp.padding(), 0x71bd);
}
TEST_F(DHCPTest, Ciaddr) {
DHCP dhcp;
dhcp.ciaddr(addr);
EXPECT_EQ(dhcp.ciaddr(), addr);
}
TEST_F(DHCPTest, Yiaddr) {
DHCP dhcp;
dhcp.yiaddr(addr);
EXPECT_EQ(dhcp.yiaddr(), addr);
}
TEST_F(DHCPTest, Siaddr) {
DHCP dhcp;
dhcp.siaddr(addr);
EXPECT_EQ(dhcp.siaddr(), addr);
}
TEST_F(DHCPTest, Giaddr) {
DHCP dhcp;
dhcp.giaddr(addr);
EXPECT_EQ(dhcp.giaddr(), addr);
}
TEST_F(DHCPTest, Chaddr) {
DHCP dhcp;
dhcp.chaddr(chaddr);
EXPECT_EQ(dhcp.chaddr(), chaddr);
HWAddress<4> hwaddr("31:33:70:00");
dhcp.chaddr(hwaddr);
HWAddress<4> copied(dhcp.chaddr());
EXPECT_EQ(copied, hwaddr);
}
TEST_F(DHCPTest, Sname) {
DHCP dhcp;
dhcp.sname(sname);
EXPECT_TRUE(memcmp(dhcp.sname(), sname, 64) == 0);
}
TEST_F(DHCPTest, File) {
DHCP dhcp;
dhcp.file(file);
EXPECT_TRUE(memcmp(dhcp.file(), file, 128) == 0);
}
void DHCPTest::test_option(const DHCP &dhcp, DHCP::Options opt, uint32_t len, uint8_t *value) {
const DHCP::dhcp_option *option = dhcp.search_option(opt);
ASSERT_TRUE(option != 0);
EXPECT_EQ(option->option(), opt);
ASSERT_EQ(option->data_size(), len);
EXPECT_TRUE(std::equal(option->data_ptr(), option->data_ptr() + option->data_size(), value));
}
TEST_F(DHCPTest, TypeOption) {
DHCP dhcp;
dhcp.type(DHCP::REQUEST);
EXPECT_EQ(dhcp.type(), DHCP::REQUEST);
}
TEST_F(DHCPTest, ServerIdentifierOption) {
DHCP dhcp;
dhcp.server_identifier("192.168.0.1");
EXPECT_EQ(DHCP::ipaddress_type("192.168.0.1"), dhcp.server_identifier());
}
TEST_F(DHCPTest, LeaseTimeOption) {
DHCP dhcp;
uint32_t ltime = 0x34f1;
dhcp.lease_time(ltime);
EXPECT_EQ(ltime, dhcp.lease_time());
}
TEST_F(DHCPTest, SubnetMaskOption) {
DHCP dhcp;
IPv4Address ip = "192.168.0.1", ip_found;
dhcp.subnet_mask(ip);
EXPECT_EQ(ip, dhcp.subnet_mask());
}
TEST_F(DHCPTest, RoutersOption) {
DHCP dhcp;
list<IPv4Address> routers;
routers.push_back("192.168.0.253");
routers.push_back("10.123.45.67");
dhcp.routers(routers);
list<IPv4Address> routers2 = dhcp.routers();
ASSERT_EQ(routers.size(), routers2.size());
while(routers.size()) {
EXPECT_EQ(routers.front(), routers2.front());
routers.pop_front();
routers2.pop_front();
}
}
TEST_F(DHCPTest, DNSOption) {
DHCP dhcp;
list<IPv4Address> dns;
dns.push_back("192.168.0.253");
dns.push_back("10.123.45.67");
dhcp.domain_name_servers(dns);
list<IPv4Address> dns2 = dhcp.domain_name_servers();
ASSERT_EQ(dns.size(), dns2.size());
while(dns.size()) {
EXPECT_EQ(dns.front(), dns2.front());
dns.pop_front();
dns2.pop_front();
}
}
TEST_F(DHCPTest, DomainNameOption) {
DHCP dhcp;
string domain = "libtins.test.domain", domain_found;
dhcp.domain_name(domain);
EXPECT_EQ(domain, dhcp.domain_name());
}
TEST_F(DHCPTest, BroadcastOption) {
DHCP dhcp;
IPv4Address ip = "192.168.0.1", ip_found;
dhcp.broadcast(ip);
EXPECT_EQ(ip, dhcp.broadcast());
}
void DHCPTest::test_equals(const DHCP &dhcp1, const DHCP &dhcp2) {
EXPECT_EQ(dhcp1.opcode(), dhcp2.opcode());
EXPECT_EQ(dhcp1.htype(), dhcp2.htype());
ASSERT_EQ(dhcp1.hlen(), dhcp2.hlen());
EXPECT_EQ(dhcp1.hops(), dhcp2.hops());
EXPECT_EQ(dhcp1.xid(), dhcp2.xid());
EXPECT_EQ(dhcp1.padding(), dhcp2.padding());
EXPECT_EQ(dhcp1.ciaddr(), dhcp2.ciaddr());
EXPECT_EQ(dhcp1.yiaddr(), dhcp2.yiaddr());
EXPECT_EQ(dhcp1.siaddr(), dhcp2.siaddr());
EXPECT_EQ(dhcp1.giaddr(), dhcp2.giaddr());
EXPECT_EQ(dhcp1.chaddr(), dhcp2.chaddr());
EXPECT_TRUE(memcmp(dhcp1.sname(), dhcp2.sname(), 64) == 0);
EXPECT_TRUE(memcmp(dhcp1.file(), dhcp2.file(), 128) == 0);
const DHCP::options_type options1(dhcp1.options());
const DHCP::options_type options2(dhcp2.options());
ASSERT_EQ(options1.size(), options2.size());
DHCP::options_type::const_iterator it1, it2;
it1 = options1.begin();
it2 = options2.begin();
while(it1 != options1.end()) {
EXPECT_EQ(it1->option(), it2->option());
ASSERT_EQ(it1->data_size(), it2->data_size());
EXPECT_TRUE(std::equal(it1->data_ptr(), it1->data_ptr() + it1->data_size(), it2->data_ptr()));
it1++; it2++;
}
}
TEST_F(DHCPTest, ConstructorFromBuffer) {
DHCP dhcp1(expected_packet, sizeof(expected_packet));
std::list<IPv4Address> routers;
IPv4Address expected_routers[] = { "192.168.0.1", "127.0.0.1" };
EXPECT_EQ(dhcp1.opcode(), DHCP::DISCOVER);
EXPECT_EQ(dhcp1.htype(), 1);
ASSERT_EQ(dhcp1.hlen(), (const size_t)EthernetII::address_type::address_size);
EXPECT_EQ(dhcp1.hops(), 0x1f);
EXPECT_EQ(dhcp1.xid(), 0x3fab23de);
EXPECT_EQ(dhcp1.secs(), 0x9f1a);
EXPECT_EQ(dhcp1.padding(), 0);
EXPECT_EQ(dhcp1.ciaddr(), IPv4Address("192.168.0.102"));
EXPECT_EQ(dhcp1.yiaddr(), IPv4Address("243.22.34.98"));
EXPECT_EQ(dhcp1.giaddr(), IPv4Address("123.43.55.254"));
EXPECT_EQ(dhcp1.siaddr(), IPv4Address("167.32.11.154"));
EXPECT_EQ(dhcp1.server_identifier(), IPv4Address("192.168.4.2"));
routers = dhcp1.routers();
ASSERT_EQ(routers.size(), sizeof(expected_routers) / sizeof(IPv4Address));
ASSERT_TRUE(std::equal(routers.begin(), routers.end(), expected_routers));
}
TEST_F(DHCPTest, Serialize) {
DHCP dhcp1(expected_packet, sizeof(expected_packet));
PDU::serialization_type buffer = dhcp1.serialize();
ASSERT_EQ(buffer.size(), sizeof(expected_packet));
EXPECT_TRUE(std::equal(buffer.begin(), buffer.end(), expected_packet));
DHCP dhcp2(&buffer[0], buffer.size());
test_equals(dhcp1, dhcp2);
}
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