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      1 /*
      2  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #if defined(WEBRTC_POSIX)
     12 #include <netinet/in.h>  // for sockaddr_in
     13 #endif
     14 
     15 #include "webrtc/base/gunit.h"
     16 #include "webrtc/base/socketaddress.h"
     17 #include "webrtc/base/ipaddress.h"
     18 
     19 namespace rtc {
     20 
     21 const in6_addr kTestV6Addr =  { { {0x20, 0x01, 0x0d, 0xb8,
     22                                    0x10, 0x20, 0x30, 0x40,
     23                                    0x50, 0x60, 0x70, 0x80,
     24                                    0x90, 0xA0, 0xB0, 0xC0} } };
     25 const in6_addr kMappedV4Addr = { { {0x00, 0x00, 0x00, 0x00,
     26                                     0x00, 0x00, 0x00, 0x00,
     27                                     0x00, 0x00, 0xFF, 0xFF,
     28                                     0x01, 0x02, 0x03, 0x04} } };
     29 const std::string kTestV6AddrString = "2001:db8:1020:3040:5060:7080:90a0:b0c0";
     30 const std::string kTestV6AddrAnonymizedString = "2001:db8:1020::";
     31 const std::string kTestV6AddrFullString =
     32     "[2001:db8:1020:3040:5060:7080:90a0:b0c0]:5678";
     33 const std::string kTestV6AddrFullAnonymizedString = "[2001:db8:1020::]:5678";
     34 
     35 TEST(SocketAddressTest, TestDefaultCtor) {
     36   SocketAddress addr;
     37   EXPECT_FALSE(addr.IsUnresolvedIP());
     38   EXPECT_EQ(IPAddress(), addr.ipaddr());
     39   EXPECT_EQ(0, addr.port());
     40   EXPECT_EQ("", addr.hostname());
     41 }
     42 
     43 TEST(SocketAddressTest, TestIPPortCtor) {
     44   SocketAddress addr(IPAddress(0x01020304), 5678);
     45   EXPECT_FALSE(addr.IsUnresolvedIP());
     46   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
     47   EXPECT_EQ(5678, addr.port());
     48   EXPECT_EQ("", addr.hostname());
     49   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
     50 }
     51 
     52 TEST(SocketAddressTest, TestIPv4StringPortCtor) {
     53   SocketAddress addr("1.2.3.4", 5678);
     54   EXPECT_FALSE(addr.IsUnresolvedIP());
     55   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
     56   EXPECT_EQ(5678, addr.port());
     57   EXPECT_EQ("1.2.3.4", addr.hostname());
     58   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
     59 }
     60 
     61 TEST(SocketAddressTest, TestIPv6StringPortCtor) {
     62   SocketAddress addr2(kTestV6AddrString, 1234);
     63   IPAddress tocheck(kTestV6Addr);
     64 
     65   EXPECT_FALSE(addr2.IsUnresolvedIP());
     66   EXPECT_EQ(tocheck, addr2.ipaddr());
     67   EXPECT_EQ(1234, addr2.port());
     68   EXPECT_EQ(kTestV6AddrString, addr2.hostname());
     69   EXPECT_EQ("[" + kTestV6AddrString + "]:1234", addr2.ToString());
     70 }
     71 
     72 TEST(SocketAddressTest, TestSpecialStringPortCtor) {
     73   // inet_addr doesn't handle this address properly.
     74   SocketAddress addr("255.255.255.255", 5678);
     75   EXPECT_FALSE(addr.IsUnresolvedIP());
     76   EXPECT_EQ(IPAddress(0xFFFFFFFFU), addr.ipaddr());
     77   EXPECT_EQ(5678, addr.port());
     78   EXPECT_EQ("255.255.255.255", addr.hostname());
     79   EXPECT_EQ("255.255.255.255:5678", addr.ToString());
     80 }
     81 
     82 TEST(SocketAddressTest, TestHostnamePortCtor) {
     83   SocketAddress addr("a.b.com", 5678);
     84   EXPECT_TRUE(addr.IsUnresolvedIP());
     85   EXPECT_EQ(IPAddress(), addr.ipaddr());
     86   EXPECT_EQ(5678, addr.port());
     87   EXPECT_EQ("a.b.com", addr.hostname());
     88   EXPECT_EQ("a.b.com:5678", addr.ToString());
     89 }
     90 
     91 TEST(SocketAddressTest, TestCopyCtor) {
     92   SocketAddress from("1.2.3.4", 5678);
     93   SocketAddress addr(from);
     94   EXPECT_FALSE(addr.IsUnresolvedIP());
     95   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
     96   EXPECT_EQ(5678, addr.port());
     97   EXPECT_EQ("1.2.3.4", addr.hostname());
     98   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
     99 }
    100 
    101 TEST(SocketAddressTest, TestAssign) {
    102   SocketAddress from("1.2.3.4", 5678);
    103   SocketAddress addr(IPAddress(0x88888888), 9999);
    104   addr = from;
    105   EXPECT_FALSE(addr.IsUnresolvedIP());
    106   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    107   EXPECT_EQ(5678, addr.port());
    108   EXPECT_EQ("1.2.3.4", addr.hostname());
    109   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    110 }
    111 
    112 TEST(SocketAddressTest, TestSetIPPort) {
    113   SocketAddress addr(IPAddress(0x88888888), 9999);
    114   addr.SetIP(IPAddress(0x01020304));
    115   addr.SetPort(5678);
    116   EXPECT_FALSE(addr.IsUnresolvedIP());
    117   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    118   EXPECT_EQ(5678, addr.port());
    119   EXPECT_EQ("", addr.hostname());
    120   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    121 }
    122 
    123 TEST(SocketAddressTest, TestSetIPFromString) {
    124   SocketAddress addr(IPAddress(0x88888888), 9999);
    125   addr.SetIP("1.2.3.4");
    126   addr.SetPort(5678);
    127   EXPECT_FALSE(addr.IsUnresolvedIP());
    128   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    129   EXPECT_EQ(5678, addr.port());
    130   EXPECT_EQ("1.2.3.4", addr.hostname());
    131   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    132 }
    133 
    134 TEST(SocketAddressTest, TestSetIPFromHostname) {
    135   SocketAddress addr(IPAddress(0x88888888), 9999);
    136   addr.SetIP("a.b.com");
    137   addr.SetPort(5678);
    138   EXPECT_TRUE(addr.IsUnresolvedIP());
    139   EXPECT_EQ(IPAddress(), addr.ipaddr());
    140   EXPECT_EQ(5678, addr.port());
    141   EXPECT_EQ("a.b.com", addr.hostname());
    142   EXPECT_EQ("a.b.com:5678", addr.ToString());
    143   addr.SetResolvedIP(IPAddress(0x01020304));
    144   EXPECT_FALSE(addr.IsUnresolvedIP());
    145   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    146   EXPECT_EQ("a.b.com", addr.hostname());
    147   EXPECT_EQ("a.b.com:5678", addr.ToString());
    148 }
    149 
    150 TEST(SocketAddressTest, TestFromIPv4String) {
    151   SocketAddress addr;
    152   EXPECT_TRUE(addr.FromString("1.2.3.4:5678"));
    153   EXPECT_FALSE(addr.IsUnresolvedIP());
    154   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    155   EXPECT_EQ(5678, addr.port());
    156   EXPECT_EQ("1.2.3.4", addr.hostname());
    157   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    158 }
    159 
    160 TEST(SocketAddressTest, TestFromIPv6String) {
    161   SocketAddress addr;
    162   EXPECT_TRUE(addr.FromString(kTestV6AddrFullString));
    163   EXPECT_FALSE(addr.IsUnresolvedIP());
    164   EXPECT_EQ(5678, addr.port());
    165   EXPECT_EQ(kTestV6AddrString, addr.hostname());
    166   EXPECT_EQ(kTestV6AddrFullString, addr.ToString());
    167 }
    168 
    169 TEST(SocketAddressTest, TestFromHostname) {
    170   SocketAddress addr;
    171   EXPECT_TRUE(addr.FromString("a.b.com:5678"));
    172   EXPECT_TRUE(addr.IsUnresolvedIP());
    173   EXPECT_EQ(IPAddress(), addr.ipaddr());
    174   EXPECT_EQ(5678, addr.port());
    175   EXPECT_EQ("a.b.com", addr.hostname());
    176   EXPECT_EQ("a.b.com:5678", addr.ToString());
    177 }
    178 
    179 TEST(SocketAddressTest, TestToFromSockAddr) {
    180   SocketAddress from("1.2.3.4", 5678), addr;
    181   sockaddr_in addr_in;
    182   from.ToSockAddr(&addr_in);
    183   EXPECT_TRUE(addr.FromSockAddr(addr_in));
    184   EXPECT_FALSE(addr.IsUnresolvedIP());
    185   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    186   EXPECT_EQ(5678, addr.port());
    187   EXPECT_EQ("", addr.hostname());
    188   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    189 }
    190 
    191 TEST(SocketAddressTest, TestToFromSockAddrStorage) {
    192   SocketAddress from("1.2.3.4", 5678), addr;
    193   sockaddr_storage addr_storage;
    194   from.ToSockAddrStorage(&addr_storage);
    195   EXPECT_TRUE(SocketAddressFromSockAddrStorage(addr_storage, &addr));
    196   EXPECT_FALSE(addr.IsUnresolvedIP());
    197   EXPECT_EQ(IPAddress(0x01020304U), addr.ipaddr());
    198   EXPECT_EQ(5678, addr.port());
    199   EXPECT_EQ("", addr.hostname());
    200   EXPECT_EQ("1.2.3.4:5678", addr.ToString());
    201 
    202   addr.Clear();
    203   from.ToDualStackSockAddrStorage(&addr_storage);
    204   EXPECT_TRUE(SocketAddressFromSockAddrStorage(addr_storage, &addr));
    205   EXPECT_FALSE(addr.IsUnresolvedIP());
    206   EXPECT_EQ(IPAddress(kMappedV4Addr), addr.ipaddr());
    207   EXPECT_EQ(5678, addr.port());
    208   EXPECT_EQ("", addr.hostname());
    209   EXPECT_EQ("[::ffff:1.2.3.4]:5678", addr.ToString());
    210 
    211   addr.Clear();
    212   memset(&addr_storage, 0, sizeof(sockaddr_storage));
    213   from = SocketAddress(kTestV6AddrString, 5678);
    214   from.SetScopeID(6);
    215   from.ToSockAddrStorage(&addr_storage);
    216   EXPECT_TRUE(SocketAddressFromSockAddrStorage(addr_storage, &addr));
    217   EXPECT_FALSE(addr.IsUnresolvedIP());
    218   EXPECT_EQ(IPAddress(kTestV6Addr), addr.ipaddr());
    219   EXPECT_EQ(5678, addr.port());
    220   EXPECT_EQ("", addr.hostname());
    221   EXPECT_EQ(kTestV6AddrFullString, addr.ToString());
    222   EXPECT_EQ(6, addr.scope_id());
    223 
    224   addr.Clear();
    225   from.ToDualStackSockAddrStorage(&addr_storage);
    226   EXPECT_TRUE(SocketAddressFromSockAddrStorage(addr_storage, &addr));
    227   EXPECT_FALSE(addr.IsUnresolvedIP());
    228   EXPECT_EQ(IPAddress(kTestV6Addr), addr.ipaddr());
    229   EXPECT_EQ(5678, addr.port());
    230   EXPECT_EQ("", addr.hostname());
    231   EXPECT_EQ(kTestV6AddrFullString, addr.ToString());
    232   EXPECT_EQ(6, addr.scope_id());
    233 
    234   addr = from;
    235   addr_storage.ss_family = AF_UNSPEC;
    236   EXPECT_FALSE(SocketAddressFromSockAddrStorage(addr_storage, &addr));
    237   EXPECT_EQ(from, addr);
    238 
    239   EXPECT_FALSE(SocketAddressFromSockAddrStorage(addr_storage, NULL));
    240 }
    241 
    242 bool AreEqual(const SocketAddress& addr1,
    243               const SocketAddress& addr2) {
    244   return addr1 == addr2 && addr2 == addr1 &&
    245       !(addr1 != addr2) && !(addr2 != addr1);
    246 }
    247 
    248 bool AreUnequal(const SocketAddress& addr1,
    249                 const SocketAddress& addr2) {
    250   return !(addr1 == addr2) && !(addr2 == addr1) &&
    251       addr1 != addr2 && addr2 != addr1;
    252 }
    253 
    254 TEST(SocketAddressTest, TestEqualityOperators) {
    255   SocketAddress addr1("1.2.3.4", 5678);
    256   SocketAddress addr2("1.2.3.4", 5678);
    257   EXPECT_PRED2(AreEqual, addr1, addr2);
    258 
    259   addr2 = SocketAddress("0.0.0.1", 5678);
    260   EXPECT_PRED2(AreUnequal, addr1, addr2);
    261 
    262   addr2 = SocketAddress("1.2.3.4", 1234);
    263   EXPECT_PRED2(AreUnequal, addr1, addr2);
    264 
    265   addr2 = SocketAddress(kTestV6AddrString, 5678);
    266   EXPECT_PRED2(AreUnequal, addr1, addr2);
    267 
    268   addr1 = SocketAddress(kTestV6AddrString, 5678);
    269   EXPECT_PRED2(AreEqual, addr1, addr2);
    270 
    271   addr2 = SocketAddress(kTestV6AddrString, 1234);
    272   EXPECT_PRED2(AreUnequal, addr1, addr2);
    273 
    274   addr2 = SocketAddress("fe80::1", 5678);
    275   EXPECT_PRED2(AreUnequal, addr1, addr2);
    276 }
    277 
    278 bool IsLessThan(const SocketAddress& addr1,
    279                                       const SocketAddress& addr2) {
    280   return addr1 < addr2 &&
    281       !(addr2 < addr1) &&
    282       !(addr1 == addr2);
    283 }
    284 
    285 TEST(SocketAddressTest, TestComparisonOperator) {
    286   SocketAddress addr1("1.2.3.4", 5678);
    287   SocketAddress addr2("1.2.3.4", 5678);
    288 
    289   EXPECT_FALSE(addr1 < addr2);
    290   EXPECT_FALSE(addr2 < addr1);
    291 
    292   addr2 = SocketAddress("1.2.3.4", 5679);
    293   EXPECT_PRED2(IsLessThan, addr1, addr2);
    294 
    295   addr2 = SocketAddress("2.2.3.4", 49152);
    296   EXPECT_PRED2(IsLessThan, addr1, addr2);
    297 
    298   addr2 = SocketAddress(kTestV6AddrString, 5678);
    299   EXPECT_PRED2(IsLessThan, addr1, addr2);
    300 
    301   addr1 = SocketAddress("fe80::1", 5678);
    302   EXPECT_PRED2(IsLessThan, addr2, addr1);
    303 
    304   addr2 = SocketAddress("fe80::1", 5679);
    305   EXPECT_PRED2(IsLessThan, addr1, addr2);
    306 
    307   addr2 = SocketAddress("fe80::1", 5678);
    308   EXPECT_FALSE(addr1 < addr2);
    309   EXPECT_FALSE(addr2 < addr1);
    310 }
    311 
    312 TEST(SocketAddressTest, TestToSensitiveString) {
    313   SocketAddress addr_v4("1.2.3.4", 5678);
    314   EXPECT_EQ("1.2.3.4", addr_v4.HostAsURIString());
    315   EXPECT_EQ("1.2.3.4:5678", addr_v4.ToString());
    316   EXPECT_EQ("1.2.3.4", addr_v4.HostAsSensitiveURIString());
    317   EXPECT_EQ("1.2.3.4:5678", addr_v4.ToSensitiveString());
    318   IPAddress::set_strip_sensitive(true);
    319   EXPECT_EQ("1.2.3.x", addr_v4.HostAsSensitiveURIString());
    320   EXPECT_EQ("1.2.3.x:5678", addr_v4.ToSensitiveString());
    321   IPAddress::set_strip_sensitive(false);
    322 
    323   SocketAddress addr_v6(kTestV6AddrString, 5678);
    324   EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsURIString());
    325   EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToString());
    326   EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsSensitiveURIString());
    327   EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToSensitiveString());
    328   IPAddress::set_strip_sensitive(true);
    329   EXPECT_EQ("[" + kTestV6AddrAnonymizedString + "]",
    330             addr_v6.HostAsSensitiveURIString());
    331   EXPECT_EQ(kTestV6AddrFullAnonymizedString, addr_v6.ToSensitiveString());
    332   IPAddress::set_strip_sensitive(false);
    333 }
    334 
    335 }  // namespace rtc
    336