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-rw-r--r--src/common/ip_test.cpp332
1 files changed, 332 insertions, 0 deletions
diff --git a/src/common/ip_test.cpp b/src/common/ip_test.cpp
new file mode 100644
index 0000000..64a537f
--- /dev/null
+++ b/src/common/ip_test.cpp
@@ -0,0 +1,332 @@
+#include "ip.hpp"
+
+#include <gtest/gtest.h>
+
+#include "cxxstdio.hpp"
+
+#define CB(X) (std::integral_constant<bool, (X)>::value)
+TEST(ip4addr, cmp)
+{
+ constexpr static
+ IP4Address a = IP4_LOCALHOST;
+ constexpr static
+ IP4Address b = IP4_BROADCAST;
+
+ EXPECT_FALSE(CB(a < a));
+ EXPECT_TRUE (CB(a < b));
+ EXPECT_FALSE(CB(b < a));
+ EXPECT_FALSE(CB(b < b));
+
+ EXPECT_FALSE(CB(a > a));
+ EXPECT_FALSE(CB(a > b));
+ EXPECT_TRUE (CB(b > a));
+ EXPECT_FALSE(CB(b > b));
+
+ EXPECT_TRUE (CB(a <= a));
+ EXPECT_TRUE (CB(a <= b));
+ EXPECT_FALSE(CB(b <= a));
+ EXPECT_TRUE (CB(b <= b));
+
+ EXPECT_TRUE (CB(a >= a));
+ EXPECT_FALSE(CB(a >= b));
+ EXPECT_TRUE (CB(b >= a));
+ EXPECT_TRUE (CB(b >= b));
+
+ EXPECT_TRUE (CB(a == a));
+ EXPECT_FALSE(CB(a == b));
+ EXPECT_FALSE(CB(b == a));
+ EXPECT_TRUE (CB(b == b));
+
+ EXPECT_FALSE(CB(a != a));
+ EXPECT_TRUE (CB(a != b));
+ EXPECT_TRUE (CB(b != a));
+ EXPECT_FALSE(CB(b != b));
+}
+
+TEST(ip4addr, str)
+{
+ IP4Address a;
+ EXPECT_EQ("0.0.0.0", STRNPRINTF(17, "%s", a));
+ EXPECT_EQ("127.0.0.1", STRNPRINTF(17, "%s", IP4_LOCALHOST));
+ EXPECT_EQ("255.255.255.255", STRNPRINTF(17, "%s", IP4_BROADCAST));
+}
+
+TEST(ip4addr, extract)
+{
+ IP4Address a;
+ EXPECT_TRUE(extract("0.0.0.0", &a));
+ EXPECT_EQ("0.0.0.0", STRNPRINTF(16, "%s", a));
+ EXPECT_TRUE(extract("127.0.0.1", &a));
+ EXPECT_EQ("127.0.0.1", STRNPRINTF(16, "%s", a));
+ EXPECT_TRUE(extract("255.255.255.255", &a));
+ EXPECT_EQ("255.255.255.255", STRNPRINTF(16, "%s", a));
+ EXPECT_TRUE(extract("1.2.3.4", &a));
+ EXPECT_EQ("1.2.3.4", STRNPRINTF(16, "%s", a));
+
+ EXPECT_FALSE(extract("1.2.3.4.5", &a));
+ EXPECT_FALSE(extract("1.2.3.4.", &a));
+ EXPECT_FALSE(extract("1.2.3.", &a));
+ EXPECT_FALSE(extract("1.2.3", &a));
+ EXPECT_FALSE(extract("1.2.", &a));
+ EXPECT_FALSE(extract("1.2", &a));
+ EXPECT_FALSE(extract("1.", &a));
+ EXPECT_FALSE(extract("1", &a));
+ EXPECT_FALSE(extract("", &a));
+}
+
+
+TEST(ip4mask, body)
+{
+ IP4Mask m;
+ EXPECT_EQ(IP4Address(), m.addr());
+ EXPECT_EQ(IP4Address(), m.mask());
+ m = IP4Mask(IP4_LOCALHOST, IP4_BROADCAST);
+ EXPECT_EQ(IP4_LOCALHOST, m.addr());
+ EXPECT_EQ(IP4_BROADCAST, m.mask());
+}
+
+TEST(ip4mask, str)
+{
+ IP4Mask m;
+ EXPECT_EQ("0.0.0.0/0.0.0.0", STRNPRINTF(33, "%s", m));
+ m = IP4Mask(IP4_LOCALHOST, IP4_BROADCAST);
+ EXPECT_EQ("127.0.0.1/255.255.255.255", STRNPRINTF(33, "%s", m));
+}
+
+TEST(ip4mask, extract)
+{
+ IP4Mask m;
+ EXPECT_FALSE(extract("9.8.7.6/33", &m));
+ EXPECT_FALSE(extract("9.8.7.6.5", &m));
+ EXPECT_FALSE(extract("9.8.7.6/", &m));
+ EXPECT_FALSE(extract("9.8.7", &m));
+ EXPECT_FALSE(extract("9.8", &m));
+ EXPECT_FALSE(extract("9", &m));
+
+ EXPECT_TRUE(extract("127.0.0.1", &m));
+ EXPECT_EQ("127.0.0.1/255.255.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("127.0.0.1.", &m));
+ EXPECT_EQ("127.0.0.1/255.255.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("127.0.0.", &m));
+ EXPECT_EQ("127.0.0.0/255.255.255.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("127.0.", &m));
+ EXPECT_EQ("127.0.0.0/255.255.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("127.", &m));
+ EXPECT_EQ("127.0.0.0/255.0.0.0", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("1.2.3.4/255.255.255.255", &m));
+ EXPECT_EQ("1.2.3.4/255.255.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.2.3.0/255.255.255.0", &m));
+ EXPECT_EQ("1.2.3.0/255.255.255.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.2.0.4/255.255.0.255", &m));
+ EXPECT_EQ("1.2.0.4/255.255.0.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.2.0.0/255.255.0.0", &m));
+ EXPECT_EQ("1.2.0.0/255.255.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.0.3.4/255.0.255.255", &m));
+ EXPECT_EQ("1.0.3.4/255.0.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.0.3.0/255.0.255.0", &m));
+ EXPECT_EQ("1.0.3.0/255.0.255.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.0.0.4/255.0.0.255", &m));
+ EXPECT_EQ("1.0.0.4/255.0.0.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("1.0.0.0/255.0.0.0", &m));
+ EXPECT_EQ("1.0.0.0/255.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.2.3.4/0.255.255.255", &m));
+ EXPECT_EQ("0.2.3.4/0.255.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.2.3.0/0.255.255.0", &m));
+ EXPECT_EQ("0.2.3.0/0.255.255.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.2.0.4/0.255.0.255", &m));
+ EXPECT_EQ("0.2.0.4/0.255.0.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.2.0.0/0.255.0.0", &m));
+ EXPECT_EQ("0.2.0.0/0.255.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.3.4/0.0.255.255", &m));
+ EXPECT_EQ("0.0.3.4/0.0.255.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.3.0/0.0.255.0", &m));
+ EXPECT_EQ("0.0.3.0/0.0.255.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.4/0.0.0.255", &m));
+ EXPECT_EQ("0.0.0.4/0.0.0.255", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/0.0.0.0", &m));
+ EXPECT_EQ("0.0.0.0/0.0.0.0", STRNPRINTF(32, "%s", m));
+
+ // please don't do this
+ EXPECT_TRUE(extract("120.248.200.217/89.57.126.5", &m));
+ EXPECT_EQ("88.56.72.1/89.57.126.5", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("0.0.0.0/32", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.255", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("0.0.0.0/31", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.254", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/30", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.252", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/29", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.248", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/28", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.240", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/27", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.224", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/26", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.192", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/25", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.128", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/24", &m));
+ EXPECT_EQ("0.0.0.0/255.255.255.0", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("0.0.0.0/23", &m));
+ EXPECT_EQ("0.0.0.0/255.255.254.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/22", &m));
+ EXPECT_EQ("0.0.0.0/255.255.252.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/21", &m));
+ EXPECT_EQ("0.0.0.0/255.255.248.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/20", &m));
+ EXPECT_EQ("0.0.0.0/255.255.240.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/19", &m));
+ EXPECT_EQ("0.0.0.0/255.255.224.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/18", &m));
+ EXPECT_EQ("0.0.0.0/255.255.192.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/17", &m));
+ EXPECT_EQ("0.0.0.0/255.255.128.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/16", &m));
+ EXPECT_EQ("0.0.0.0/255.255.0.0", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("0.0.0.0/15", &m));
+ EXPECT_EQ("0.0.0.0/255.254.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/14", &m));
+ EXPECT_EQ("0.0.0.0/255.252.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/13", &m));
+ EXPECT_EQ("0.0.0.0/255.248.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/12", &m));
+ EXPECT_EQ("0.0.0.0/255.240.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/11", &m));
+ EXPECT_EQ("0.0.0.0/255.224.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/10", &m));
+ EXPECT_EQ("0.0.0.0/255.192.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/9", &m));
+ EXPECT_EQ("0.0.0.0/255.128.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/8", &m));
+ EXPECT_EQ("0.0.0.0/255.0.0.0", STRNPRINTF(32, "%s", m));
+
+ EXPECT_TRUE(extract("0.0.0.0/7", &m));
+ EXPECT_EQ("0.0.0.0/254.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/6", &m));
+ EXPECT_EQ("0.0.0.0/252.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/5", &m));
+ EXPECT_EQ("0.0.0.0/248.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/4", &m));
+ EXPECT_EQ("0.0.0.0/240.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/3", &m));
+ EXPECT_EQ("0.0.0.0/224.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/2", &m));
+ EXPECT_EQ("0.0.0.0/192.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/1", &m));
+ EXPECT_EQ("0.0.0.0/128.0.0.0", STRNPRINTF(32, "%s", m));
+ EXPECT_TRUE(extract("0.0.0.0/0", &m));
+ EXPECT_EQ("0.0.0.0/0.0.0.0", STRNPRINTF(32, "%s", m));
+}
+
+TEST(ip4mask, cover)
+{
+ IP4Address a;
+ IP4Address b = IP4_BROADCAST;
+ IP4Address l = IP4_LOCALHOST;
+ IP4Address h({127, 255, 255, 255});
+ IP4Address p24l({10, 0, 0, 0});
+ IP4Address p24h({10, 255, 255, 255});
+ IP4Address p20l({172, 16, 0, 0});
+ IP4Address p20h({172, 31, 255, 255});
+ IP4Address p16l({192, 168, 0, 0});
+ IP4Address p16h({192, 168, 255, 255});
+ IP4Mask m;
+ EXPECT_TRUE(m.covers(a));
+ EXPECT_TRUE(m.covers(b));
+ EXPECT_TRUE(m.covers(l));
+ EXPECT_TRUE(m.covers(h));
+ EXPECT_TRUE(m.covers(p24l));
+ EXPECT_TRUE(m.covers(p24h));
+ EXPECT_TRUE(m.covers(p20l));
+ EXPECT_TRUE(m.covers(p20h));
+ EXPECT_TRUE(m.covers(p16l));
+ EXPECT_TRUE(m.covers(p16h));
+ m = IP4Mask(l, a);
+ EXPECT_TRUE(m.covers(a));
+ EXPECT_TRUE(m.covers(b));
+ EXPECT_TRUE(m.covers(l));
+ EXPECT_TRUE(m.covers(h));
+ EXPECT_TRUE(m.covers(p24l));
+ EXPECT_TRUE(m.covers(p24h));
+ EXPECT_TRUE(m.covers(p20l));
+ EXPECT_TRUE(m.covers(p20h));
+ EXPECT_TRUE(m.covers(p16l));
+ EXPECT_TRUE(m.covers(p16h));
+ m = IP4Mask(l, b);
+ EXPECT_FALSE(m.covers(a));
+ EXPECT_FALSE(m.covers(b));
+ EXPECT_TRUE(m.covers(l));
+ EXPECT_FALSE(m.covers(h));
+ EXPECT_FALSE(m.covers(p24l));
+ EXPECT_FALSE(m.covers(p24h));
+ EXPECT_FALSE(m.covers(p20l));
+ EXPECT_FALSE(m.covers(p20h));
+ EXPECT_FALSE(m.covers(p16l));
+ EXPECT_FALSE(m.covers(p16h));
+
+ // but the really useful ones are with partial masks
+ m = IP4Mask(IP4Address({10, 0, 0, 0}), IP4Address({255, 0, 0, 0}));
+ EXPECT_FALSE(m.covers(a));
+ EXPECT_FALSE(m.covers(b));
+ EXPECT_FALSE(m.covers(l));
+ EXPECT_FALSE(m.covers(h));
+ EXPECT_TRUE(m.covers(p24l));
+ EXPECT_TRUE(m.covers(p24h));
+ EXPECT_FALSE(m.covers(p20l));
+ EXPECT_FALSE(m.covers(p20h));
+ EXPECT_FALSE(m.covers(p16l));
+ EXPECT_FALSE(m.covers(p16h));
+ EXPECT_FALSE(m.covers(IP4Address({9, 255, 255, 255})));
+ EXPECT_FALSE(m.covers(IP4Address({11, 0, 0, 0})));
+ m = IP4Mask(IP4Address({127, 0, 0, 0}), IP4Address({255, 0, 0, 0}));
+ EXPECT_FALSE(m.covers(a));
+ EXPECT_FALSE(m.covers(b));
+ EXPECT_TRUE(m.covers(l));
+ EXPECT_TRUE(m.covers(h));
+ EXPECT_FALSE(m.covers(p24l));
+ EXPECT_FALSE(m.covers(p24h));
+ EXPECT_FALSE(m.covers(p20l));
+ EXPECT_FALSE(m.covers(p20h));
+ EXPECT_FALSE(m.covers(p16l));
+ EXPECT_FALSE(m.covers(p16h));
+ EXPECT_FALSE(m.covers(IP4Address({126, 255, 255, 255})));
+ EXPECT_FALSE(m.covers(IP4Address({128, 0, 0, 0})));
+ m = IP4Mask(IP4Address({172, 16, 0, 0}), IP4Address({255, 240, 0, 0}));
+ EXPECT_FALSE(m.covers(a));
+ EXPECT_FALSE(m.covers(b));
+ EXPECT_FALSE(m.covers(l));
+ EXPECT_FALSE(m.covers(h));
+ EXPECT_FALSE(m.covers(p24l));
+ EXPECT_FALSE(m.covers(p24h));
+ EXPECT_TRUE(m.covers(p20l));
+ EXPECT_TRUE(m.covers(p20h));
+ EXPECT_FALSE(m.covers(p16l));
+ EXPECT_FALSE(m.covers(p16h));
+ EXPECT_FALSE(m.covers(IP4Address({172, 15, 255, 255})));
+ EXPECT_FALSE(m.covers(IP4Address({172, 32, 0, 0})));
+ m = IP4Mask(IP4Address({192, 168, 0, 0}), IP4Address({255, 255, 0, 0}));
+ EXPECT_FALSE(m.covers(a));
+ EXPECT_FALSE(m.covers(b));
+ EXPECT_FALSE(m.covers(l));
+ EXPECT_FALSE(m.covers(h));
+ EXPECT_FALSE(m.covers(p24l));
+ EXPECT_FALSE(m.covers(p24h));
+ EXPECT_FALSE(m.covers(p20l));
+ EXPECT_FALSE(m.covers(p20h));
+ EXPECT_TRUE(m.covers(p16l));
+ EXPECT_TRUE(m.covers(p16h));
+ EXPECT_FALSE(m.covers(IP4Address({192, 167, 255, 255})));
+ EXPECT_FALSE(m.covers(IP4Address({192, 169, 0, 0})));
+
+ // OTOH this is crazy
+ EXPECT_TRUE(extract("120.248.200.217/89.57.126.5", &m));
+ EXPECT_TRUE(m.covers(IP4Address({120, 248, 200, 217})));
+ EXPECT_TRUE(m.covers(IP4Address({88, 56, 72, 1})));
+ EXPECT_FALSE(m.covers(IP4Address({88, 56, 72, 0})));
+ EXPECT_FALSE(m.covers(IP4Address({88, 56, 72, 255})));
+}
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