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150 lines
4.4 KiB
C++
150 lines
4.4 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#include "net/Init.hxx"
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#include "net/IPv4Address.hxx"
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#include "net/ToString.hxx"
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#include "util/Compiler.h"
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#include <gtest/gtest.h>
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#include <stdexcept>
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#ifndef _WIN32
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#include <arpa/inet.h>
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#endif
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#if GCC_CHECK_VERSION(11,0)
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/* suppress warning for calling GetSize() on uninitialized object */
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#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#endif
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TEST(IPv4AddressTest, Basic)
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{
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IPv4Address dummy;
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EXPECT_EQ(dummy.GetSize(), sizeof(struct sockaddr_in));
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}
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TEST(IPv4AddressTest, Port)
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{
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IPv4Address a(12345);
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EXPECT_EQ(a.GetPort(), 12345u);
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a.SetPort(42);
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EXPECT_EQ(a.GetPort(), 42u);
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}
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TEST(IPv4AddressTest, NumericAddress)
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{
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IPv4Address a(12345);
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EXPECT_EQ(a.GetNumericAddress(), 0u);
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EXPECT_EQ(a.GetNumericAddressBE(), 0u);
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a = IPv4Address(192, 168, 1, 2, 42);
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EXPECT_EQ(a.GetNumericAddress(), 0xc0a80102);
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EXPECT_EQ(a.GetNumericAddressBE(), ToBE32(0xc0a80102));
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}
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TEST(IPv4AddressTest, Mask)
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{
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EXPECT_EQ(IPv4Address::MaskFromPrefix(0).GetNumericAddress(),
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IPv4Address(0, 0, 0, 0, 0).GetNumericAddress());
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EXPECT_EQ(IPv4Address::MaskFromPrefix(1).GetNumericAddress(),
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IPv4Address(128, 0, 0, 0, 0).GetNumericAddress());
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EXPECT_EQ(IPv4Address::MaskFromPrefix(23).GetNumericAddress(),
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IPv4Address(255, 255, 254, 0, 0).GetNumericAddress());
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EXPECT_EQ(IPv4Address::MaskFromPrefix(24).GetNumericAddress(),
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IPv4Address(255, 255, 255, 0, 0).GetNumericAddress());
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EXPECT_EQ(IPv4Address::MaskFromPrefix(32).GetNumericAddress(),
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IPv4Address(255, 255, 255, 255, 0).GetNumericAddress());
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}
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TEST(IPv4AddressTest, And)
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{
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EXPECT_EQ((IPv4Address::MaskFromPrefix(32) &
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IPv4Address(192, 168, 1, 2, 0)).GetNumericAddress(),
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IPv4Address(192, 168, 1, 2, 0).GetNumericAddress());
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EXPECT_EQ((IPv4Address::MaskFromPrefix(24) &
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IPv4Address(192, 168, 1, 2, 0)).GetNumericAddress(),
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IPv4Address(192, 168, 1, 0, 0).GetNumericAddress());
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EXPECT_EQ((IPv4Address::MaskFromPrefix(16) &
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IPv4Address(192, 168, 1, 2, 0)).GetNumericAddress(),
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IPv4Address(192, 168, 0, 0, 0).GetNumericAddress());
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EXPECT_EQ((IPv4Address::MaskFromPrefix(8) &
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IPv4Address(192, 168, 1, 2, 0)).GetNumericAddress(),
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IPv4Address(192, 0, 0, 0, 0).GetNumericAddress());
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EXPECT_EQ((IPv4Address::MaskFromPrefix(0) &
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IPv4Address(192, 168, 1, 2, 0)).GetNumericAddress(),
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IPv4Address(0, 0, 0, 0, 0).GetNumericAddress());
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}
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static std::string
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ToString(const struct in_addr &a)
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{
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#ifdef _WIN32
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/* on mingw32, the parameter is non-const (PVOID) */
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const auto p = const_cast<struct in_addr *>(&a);
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#else
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const auto p = &a;
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#endif
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char buffer[256];
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const char *result = inet_ntop(AF_INET, p, buffer, sizeof(buffer));
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if (result == nullptr)
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throw std::runtime_error("inet_ntop() failed");
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return result;
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}
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TEST(IPv4Address, Octets)
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{
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const ScopeNetInit net_init;
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static constexpr auto a = IPv4Address(11, 22, 33, 44, 1234);
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EXPECT_EQ(ToString(a.GetAddress()), "11.22.33.44");
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}
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TEST(IPv4Address, Any)
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{
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const ScopeNetInit net_init;
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EXPECT_EQ(ToString(IPv4Address(1234).GetAddress()), "0.0.0.0");
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EXPECT_EQ(ToString(IPv4Address(1234)), "0.0.0.0:1234");
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}
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TEST(IPv4Address, Port)
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{
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const ScopeNetInit net_init;
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EXPECT_EQ(IPv4Address(0).GetPort(), 0);
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EXPECT_EQ(IPv4Address(1).GetPort(), 1);
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EXPECT_EQ(IPv4Address(1234).GetPort(), 1234);
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EXPECT_EQ(IPv4Address(0xffff).GetPort(), 0xffff);
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}
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TEST(IPv4Address, Loopback)
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{
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const ScopeNetInit net_init;
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static constexpr auto a = IPv4Address(IPv4Address::Loopback(), 1234);
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EXPECT_EQ(ToString(a.GetAddress()), "127.0.0.1");
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}
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TEST(IPv4Address, MaskFromPrefix)
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{
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const ScopeNetInit net_init;
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(0).GetAddress()), "0.0.0.0");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(4).GetAddress()), "240.0.0.0");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(8).GetAddress()), "255.0.0.0");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(16).GetAddress()), "255.255.0.0");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(24).GetAddress()), "255.255.255.0");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(31).GetAddress()), "255.255.255.254");
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EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(32).GetAddress()), "255.255.255.255");
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}
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TEST(IPv4Address, Numeric)
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{
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EXPECT_EQ(IPv4Address(1, 2, 3, 4, 0).GetNumericAddress(), 0x01020304u);
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EXPECT_EQ(IPv4Address(1, 2, 3, 4, 0).GetNumericAddressBE(), htonl(0x01020304));
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}
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