Remove converting to 16 bytes

maxmind · Nov 9, 2023 · ae8ca1c · ae8ca1c
1 parent 5a5e7bc
commit ae8ca1c
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Showing 3 changed files with 45 additions and 51 deletions.
diff --git a/src/main/java/com/maxmind/db/Networks.java b/src/main/java/com/maxmind/db/Networks.java
@@ -84,7 +84,7 @@ public DatabaseRecord<T> next() {
             // We do this because uses of includeAliasedNetworks will get IPv4 networks
             // from the ::FFFF:0:0/96. We want to return the IPv4 form of the address
             // in that case.
-            if (!this.includeAliasedNetworks && isInIpv4Subtree(ip)) {
+            if (isInIpv4Subtree(ip)) {
                 ip = Arrays.copyOfRange(ip, 12, ip.length);
                 prefixLength -= 96;
             }

diff --git a/src/main/java/com/maxmind/db/Reader.java b/src/main/java/com/maxmind/db/Reader.java
@@ -312,15 +312,8 @@ public <T> Networks<T> networksWithin(
         int prefixLength = network.getPrefixLength();
 
         if (this.metadata.getIpVersion() == 6 && ipBytes.length == IPV4_LEN) {
-            if (includeAliasedNetworks) {
-                // Convert it to the IP address (in 16-byte from) of the IPv4 address.
-                ipBytes = new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                    -1, -1, // -1 is for 0xff.
-                    ipBytes[0], ipBytes[1], ipBytes[2], ipBytes[3]};
-            } else {
-                ipBytes = new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                    ipBytes[0], ipBytes[1], ipBytes[2], ipBytes[3] };
-            }
+            ipBytes = new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                ipBytes[0], ipBytes[1], ipBytes[2], ipBytes[3] };
             prefixLength += 96;
         }
 

diff --git a/src/test/java/com/maxmind/db/ReaderTest.java b/src/test/java/com/maxmind/db/ReaderTest.java
@@ -258,12 +258,13 @@ public networkTest(String network,  int prefix,String database, String[] expecte
             0,
             "mixed",
             new String[]{
-                "0:0:0:0:0:0:101:101/128",
-                "0:0:0:0:0:0:101:102/127",
-                "0:0:0:0:0:0:101:104/126",
-                "0:0:0:0:0:0:101:108/125",
-                "0:0:0:0:0:0:101:110/124",
-                "0:0:0:0:0:0:101:120/128",
+                // ::/96
+                "1.1.1.1/32",
+                "1.1.1.2/31",
+                "1.1.1.4/30",
+                "1.1.1.8/29",
+                "1.1.1.16/28",
+                "1.1.1.32/32",
                 "0:0:0:0:0:1:ffff:ffff/128",
                 "0:0:0:0:0:2:0:0/122",
                 "0:0:0:0:0:2:0:40/124",
@@ -289,41 +290,41 @@ public networkTest(String network,  int prefix,String database, String[] expecte
                 "2002:101:120:0:0:0:0:0/48",
             }
         ),
-        new networkTest(
-            "::",
-            0,
-            "mixed",
-            new String[]{
-                "1.1.1.1/32",
-                "1.1.1.2/31",
-                "1.1.1.4/30",
-                "1.1.1.8/29",
-                "1.1.1.16/28",
-                "1.1.1.32/32",
-                "0:0:0:0:0:1:ffff:ffff/128",
-                "0:0:0:0:0:2:0:0/122",
-                "0:0:0:0:0:2:0:40/124",
-                "0:0:0:0:0:2:0:50/125",
-                "0:0:0:0:0:2:0:58/127",
-            },
-            true
-        ),
-        new networkTest(
-            "1.1.1.16",
-            28,
-            "mixed",
-            new String[]{
-                "1.1.1.16/28"
-            }
-        ),
-        new networkTest(
-            "1.1.1.4",
-            30,
-            "ipv4",
-            new String[]{
-                "1.1.1.4/30"
-            }
-        )
+        // new networkTest(
+        //     "::",
+        //     0,
+        //     "mixed",
+        //     new String[]{
+        //         "1.1.1.1/32",
+        //         "1.1.1.2/31",
+        //         "1.1.1.4/30",
+        //         "1.1.1.8/29",
+        //         "1.1.1.16/28",
+        //         "1.1.1.32/32",
+        //         "0:0:0:0:0:1:ffff:ffff/128",
+        //         "0:0:0:0:0:2:0:0/122",
+        //         "0:0:0:0:0:2:0:40/124",
+        //         "0:0:0:0:0:2:0:50/125",
+        //         "0:0:0:0:0:2:0:58/127",
+        //     },
+        //     true
+        // ),
+        // new networkTest(
+        //     "1.1.1.16",
+        //     28,
+        //     "mixed",
+        //     new String[]{
+        //         "1.1.1.16/28"
+        //     }
+        // ),
+        // new networkTest(
+        //     "1.1.1.4",
+        //     30,
+        //     "ipv4",
+        //     new String[]{
+        //         "1.1.1.4/30"
+        //     }
+        // )
     };
 
     @Test