pdns/test-iputils_hh.cc

   1 #define BOOST_TEST_DYN_LINK
   2 #define BOOST_TEST_NO_MAIN
   3 #ifdef HAVE_CONFIG_H
   4 #include "config.h"
   5 #endif
   6 #include <boost/test/unit_test.hpp>
   7 #include <bitset>
   8 #include "iputils.hh"
   9
  10 using namespace boost;
  11
  12 BOOST_AUTO_TEST_SUITE(iputils_hh)
  13
  14 BOOST_AUTO_TEST_CASE(test_ComboAddress) {
  15   ComboAddress local("127.0.0.1", 53);
  16   BOOST_CHECK(local==local);
  17   BOOST_CHECK_EQUAL(local.sin4.sin_family, AF_INET);
  18   BOOST_CHECK_EQUAL(local.sin4.sin_port, htons(53));
  19   BOOST_CHECK_EQUAL(local.sin4.sin_addr.s_addr, htonl(0x7f000001UL));
  20
  21   ComboAddress remote("130.161.33.15", 53);
  22   BOOST_CHECK(!(local == remote));
  23   BOOST_CHECK_EQUAL(remote.sin4.sin_port, htons(53));
  24
  25   ComboAddress withport("213.244.168.210:53");
  26   BOOST_CHECK_EQUAL(withport.sin4.sin_port, htons(53));
  27
  28   ComboAddress withportO("213.244.168.210:53", 5300);
  29   BOOST_CHECK_EQUAL(withportO.sin4.sin_port, htons(53));
  30
  31   withport = ComboAddress("[::]:53");
  32   BOOST_CHECK_EQUAL(withport.sin4.sin_port, htons(53));
  33
  34   withport = ComboAddress("[::]:5300", 53);
  35   BOOST_CHECK_EQUAL(withport.sin4.sin_port, htons(5300));
  36
  37   // Verify that 2 'empty' ComboAddresses are equal, used in syncres.hh to
  38   // signal auth-zones
  39   ComboAddress a = ComboAddress();
  40   ComboAddress b = ComboAddress();
  41   BOOST_CHECK(a == b);
  42
  43   // Verify that 2 ComboAddresses are not the same
  44   ComboAddress c = ComboAddress("127.0.0.1:53");
  45   ComboAddress d = ComboAddress("127.0.0.1:52");
  46   ComboAddress e = ComboAddress("127.0.0.2:53");
  47
  48   BOOST_CHECK(a != c);
  49   BOOST_CHECK(c != d);
  50   BOOST_CHECK(c != e);
  51   BOOST_CHECK(d != e);
  52   BOOST_CHECK(!(a != b));
  53
  54   // Verify that we don't allow invalid port numbers
  55   BOOST_CHECK_THROW(ComboAddress("127.0.0.1:70000"), PDNSException); // Port no. too high
  56   BOOST_CHECK_THROW(ComboAddress("127.0.0.1:-6"), PDNSException); // Port no. too low
  57   BOOST_CHECK_THROW(ComboAddress("[::1]:70000"), PDNSException); // Port no. too high
  58   BOOST_CHECK_THROW(ComboAddress("[::1]:-6"), PDNSException); // Port no. too low
  59 }
  60
  61 BOOST_AUTO_TEST_CASE(test_ComboAddressCompare) {
  62   ComboAddress a, b;
  63   a.reset();
  64   b.reset();
  65   BOOST_CHECK(!(a<b));
  66   BOOST_CHECK(!(a>b));
  67 }
  68
  69 BOOST_AUTO_TEST_CASE(test_ComboAddressTruncate) {
  70   ComboAddress ca4("130.161.252.29");
  71   ca4.truncate(24);
  72   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.0");
  73   ca4.truncate(16);
  74   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.0.0");
  75
  76
  77
  78   ca4 = ComboAddress("130.161.252.29");
  79   ComboAddress orig(ca4);
  80   for(int n=32; n; --n) {
  81     ca4.truncate(n);
  82
  83     uint32_t p;
  84     memcpy(&p, (char*)&ca4.sin4.sin_addr.s_addr, 4);
  85     std::bitset<32> result(htonl(p));
  86
  87     memcpy(&p, (char*)&orig.sin4.sin_addr.s_addr, 4);
  88     std::bitset<32> manual(htonl(p));
  89
  90     auto tokill=32-n;
  91     for(int i =0; i< tokill; ++i)
  92       manual.set(i, 0);
  93
  94     BOOST_CHECK_EQUAL(result, manual);
  95   }
  96
  97   ca4 = ComboAddress("130.161.252.29");
  98   ca4.truncate(31);
  99   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.28");
 100
 101   ca4.truncate(30);
 102   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.28");
 103
 104   ca4.truncate(29);
 105   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.24");
 106
 107   ca4.truncate(23);
 108   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.0");
 109
 110   ca4.truncate(22);
 111   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.252.0");
 112
 113   ca4.truncate(21);
 114   BOOST_CHECK_EQUAL(ca4.toString(), "130.161.248.0");
 115
 116   ComboAddress ca6("2001:888:2000:1d::2");
 117   ca6.truncate(120);
 118   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888:2000:1d::");
 119   ca6.truncate(64);
 120   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888:2000:1d::");
 121   ca6.truncate(72);                  // 0102 304 0506 78
 122   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888:2000:1d::");
 123   ca6.truncate(56);
 124   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888:2000::");
 125   ca6.truncate(48);
 126   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888:2000::");
 127   ca6.truncate(32);
 128   BOOST_CHECK_EQUAL(ca6.toString(), "2001:888::");
 129   ca6.truncate(16);
 130   BOOST_CHECK_EQUAL(ca6.toString(), "2001::");
 131   ca6.truncate(8);
 132   BOOST_CHECK_EQUAL(ca6.toString(), "2000::");
 133
 134
 135   orig=ca6=ComboAddress("2001:888:2000:1d::2");
 136   for(int n=128; n; --n) {
 137     ca6.truncate(n);
 138
 139     std::bitset<128> result, manual;
 140     for(int i=0; i < 16; ++i) {
 141       result<<=8;
 142       result|= std::bitset<128>(*((unsigned char*)&ca6.sin6.sin6_addr.s6_addr + i));
 143
 144       manual<<=8;
 145       manual|= std::bitset<128>(*((unsigned char*)&orig.sin6.sin6_addr.s6_addr + i));
 146     }
 147
 148     auto tokill=128-n;
 149     for(int i =0; i< tokill; ++i)
 150       manual.set(i, 0);
 151
 152     BOOST_CHECK_EQUAL(result, manual);
 153   }
 154 }
 155
 156
 157 BOOST_AUTO_TEST_CASE(test_Mapping)
 158 {
 159   ComboAddress lh("::1");
 160   BOOST_CHECK_EQUAL(lh.toString(), "::1");
 161 }
 162
 163 BOOST_AUTO_TEST_CASE(test_Netmask) {
 164   ComboAddress local("127.0.0.1", 53);
 165   ComboAddress remote("130.161.252.29", 53);
 166
 167   Netmask nm("127.0.0.1/24");
 168   BOOST_CHECK(nm.getBits() == 24);
 169   BOOST_CHECK(nm.match(local));
 170   BOOST_CHECK(!nm.match(remote));
 171   BOOST_CHECK(nm.isIpv4());
 172   BOOST_CHECK(!nm.isIpv6());
 173
 174   Netmask nm6("fe80::92fb:a6ff:fe4a:51da/64");
 175   BOOST_CHECK(nm6.getBits() == 64);
 176   BOOST_CHECK(nm6.match("fe80::92fb:a6ff:fe4a:51db"));
 177   BOOST_CHECK(!nm6.match("fe81::92fb:a6ff:fe4a:51db"));
 178   BOOST_CHECK(!nm6.isIpv4());
 179   BOOST_CHECK(nm6.isIpv6());
 180
 181   Netmask nmp("130.161.252.29/32");
 182   BOOST_CHECK(nmp.match(remote));
 183
 184   Netmask nmp6("fe80::92fb:a6ff:fe4a:51da/128");
 185   BOOST_CHECK(nmp6.match("fe80::92fb:a6ff:fe4a:51da"));
 186   BOOST_CHECK(!nmp6.match("fe81::92fb:a6ff:fe4a:51db"));
 187
 188   Netmask all("0.0.0.0/0");
 189   BOOST_CHECK(all.match(local) && all.match(remote));
 190
 191   Netmask all6("::/0");
 192   BOOST_CHECK(all6.match("::1") && all6.match("fe80::92fb:a6ff:fe4a:51da"));
 193
 194
 195   Netmask fromCombo1(ComboAddress("192.0.2.1:53"), 32);
 196   Netmask fromCombo2(ComboAddress("192.0.2.1:54"), 32);
 197   BOOST_CHECK(fromCombo1 == fromCombo2);
 198   BOOST_CHECK(fromCombo1.match("192.0.2.1"));
 199   BOOST_CHECK(fromCombo1.match(ComboAddress("192.0.2.1:80")));
 200   BOOST_CHECK(fromCombo1.getNetwork() == ComboAddress("192.0.2.1"));
 201   BOOST_CHECK(fromCombo1.getMaskedNetwork() == ComboAddress("192.0.2.1"));
 202
 203   Netmask nm25("192.0.2.255/25");
 204   BOOST_CHECK(nm25.getBits() == 25);
 205   BOOST_CHECK(nm25.getNetwork() == ComboAddress("192.0.2.255"));
 206   BOOST_CHECK(nm25.getMaskedNetwork() == ComboAddress("192.0.2.128"));
 207
 208   /* Make sure that more specific Netmasks are lesser than less specific ones,
 209      as this is very useful when matching. */
 210   Netmask specific32("192.0.0.0/32");
 211   Netmask specific24("192.0.0.0/24");
 212   Netmask specific16("192.0.0.0/16");
 213   BOOST_CHECK(specific32 < specific24);
 214   BOOST_CHECK(specific24 > specific32);
 215   BOOST_CHECK(specific24 < specific16);
 216   BOOST_CHECK(specific16 > specific24);
 217
 218   Netmask sameMask1("192.0.0.0/16");
 219   Netmask sameMask2("192.0.0.1/16");
 220   BOOST_CHECK(sameMask1 < sameMask2);
 221   BOOST_CHECK(sameMask2 > sameMask1);
 222
 223   /* An empty Netmask should be larger than
 224      every others. */
 225   Netmask empty = Netmask();
 226   Netmask full("255.255.255.255/32");
 227   BOOST_CHECK(empty > all);
 228   BOOST_CHECK(all < empty);
 229   BOOST_CHECK(empty > full);
 230   BOOST_CHECK(full < empty);
 231 }
 232
 233 BOOST_AUTO_TEST_CASE(test_NetmaskGroup) {
 234
 235   {
 236     NetmaskGroup ng;
 237     ng.addMask("10.0.1.0");
 238     BOOST_CHECK(ng.match(ComboAddress("10.0.1.0")));
 239     ng.toMasks("127.0.0.0/8, 10.0.0.0/24");
 240     BOOST_CHECK(ng.match(ComboAddress("127.0.0.1")));
 241     BOOST_CHECK(ng.match(ComboAddress("10.0.0.3")));
 242     BOOST_CHECK(ng.match(ComboAddress("10.0.1.0")));
 243     BOOST_CHECK(!ng.match(ComboAddress("128.1.2.3")));
 244     BOOST_CHECK(!ng.match(ComboAddress("10.0.1.1")));
 245     BOOST_CHECK(!ng.match(ComboAddress("::1")));
 246     ng.addMask("::1");
 247     BOOST_CHECK(ng.match(ComboAddress("::1")));
 248     BOOST_CHECK(!ng.match(ComboAddress("::2")));
 249     ng.addMask("fe80::/16");
 250     BOOST_CHECK(ng.match(ComboAddress("fe80::1")));
 251     BOOST_CHECK(!ng.match(ComboAddress("fe81::1")));
 252     BOOST_CHECK_EQUAL(ng.toString(), "10.0.1.0/32, 127.0.0.0/8, 10.0.0.0/24, ::1/128, fe80::/16");
 253
 254     /* negative entries using the explicit flag */
 255     ng.addMask("172.16.0.0/16", true);
 256     BOOST_CHECK(ng.match(ComboAddress("172.16.1.1")));
 257     BOOST_CHECK(ng.match(ComboAddress("172.16.4.50")));
 258     ng.addMask("172.16.4.0/24", false);
 259     BOOST_CHECK(ng.match(ComboAddress("172.16.1.1")));
 260     BOOST_CHECK(!ng.match(ComboAddress("172.16.4.50")));
 261     ng.addMask("fe80::/24", false);
 262     BOOST_CHECK(!ng.match(ComboAddress("fe80::1")));
 263     BOOST_CHECK(!ng.match(ComboAddress("fe81::1")));
 264     /* not in fe80::/24 but in fe80::/16, should match */
 265     BOOST_CHECK(ng.match(ComboAddress("fe80:0100::1")));
 266
 267     /* negative entries using '!' */
 268     BOOST_CHECK(ng.match(ComboAddress("172.16.10.80")));
 269     ng.addMask("!172.16.10.0/24");
 270     BOOST_CHECK(!ng.match(ComboAddress("172.16.10.80")));
 271     ng.addMask("2001:db8::/32");
 272     ng.addMask("!2001:db8::/64");
 273     BOOST_CHECK(!ng.match(ComboAddress("2001:db8::1")));
 274     /* not in 2001:db8::/64 but in 2001:db8::/32, should match */
 275     BOOST_CHECK(ng.match(ComboAddress("2001:db8:1::1")));
 276
 277     BOOST_CHECK_EQUAL(ng.toString(), "10.0.1.0/32, 127.0.0.0/8, 10.0.0.0/24, ::1/128, fe80::/16, 172.16.0.0/16, !172.16.4.0/24, !fe80::/24, !172.16.10.0/24, 2001:db8::/32, !2001:db8::/64");
 278   }
 279
 280   {
 281     /* this time using Netmask objects instead of strings */
 282     NetmaskGroup ng;
 283     ng.addMask(Netmask("10.0.1.0"));
 284     BOOST_CHECK(ng.match(ComboAddress("10.0.1.0")));
 285     ng.addMask(Netmask("127.0.0.0/8"));
 286     ng.addMask(Netmask("10.0.0.0/24"));
 287     BOOST_CHECK(ng.match(ComboAddress("127.0.0.1")));
 288     BOOST_CHECK(ng.match(ComboAddress("10.0.0.3")));
 289     BOOST_CHECK(ng.match(ComboAddress("10.0.1.0")));
 290     BOOST_CHECK(!ng.match(ComboAddress("128.1.2.3")));
 291     BOOST_CHECK(!ng.match(ComboAddress("10.0.1.1")));
 292     BOOST_CHECK(!ng.match(ComboAddress("::1")));
 293     ng.addMask(Netmask("::1"));
 294     BOOST_CHECK(ng.match(ComboAddress("::1")));
 295     BOOST_CHECK(!ng.match(ComboAddress("::2")));
 296     ng.addMask(Netmask("fe80::/16"));
 297     BOOST_CHECK(ng.match(ComboAddress("fe80::1")));
 298     BOOST_CHECK(!ng.match(ComboAddress("fe81::1")));
 299     BOOST_CHECK_EQUAL(ng.toString(), "10.0.1.0/32, 127.0.0.0/8, 10.0.0.0/24, ::1/128, fe80::/16");
 300
 301     /* negative entries using the explicit flag */
 302     ng.addMask(Netmask("172.16.0.0/16"), true);
 303     BOOST_CHECK(ng.match(ComboAddress("172.16.1.1")));
 304     BOOST_CHECK(ng.match(ComboAddress("172.16.4.50")));
 305     ng.addMask(Netmask("172.16.4.0/24"), false);
 306     BOOST_CHECK(ng.match(ComboAddress("172.16.1.1")));
 307     BOOST_CHECK(!ng.match(ComboAddress("172.16.4.50")));
 308     ng.addMask("fe80::/24", false);
 309     BOOST_CHECK(!ng.match(ComboAddress("fe80::1")));
 310     BOOST_CHECK(!ng.match(ComboAddress("fe81::1")));
 311     /* not in fe80::/24 but in fe80::/16, should match */
 312     BOOST_CHECK(ng.match(ComboAddress("fe80:0100::1")));
 313
 314     BOOST_CHECK_EQUAL(ng.toString(), "10.0.1.0/32, 127.0.0.0/8, 10.0.0.0/24, ::1/128, fe80::/16, 172.16.0.0/16, !172.16.4.0/24, !fe80::/24");
 315   }
 316 }
 317
 318
 319 BOOST_AUTO_TEST_SUITE_END()