Jason A. Donenfeld
73b0c4ea81
This should remove some null pointer dereferences and overall make the thing more robust. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
42 lines
1.1 KiB
Java
42 lines
1.1 KiB
Java
package com.wireguard.config;
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import java.net.Inet4Address;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.util.Locale;
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public class IPCidr {
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private InetAddress address;
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private int cidr;
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public IPCidr(String in) {
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cidr = -1;
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int slash = in.lastIndexOf('/');
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if (slash != -1 && slash < in.length() - 1) {
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try {
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cidr = Integer.parseInt(in.substring(slash + 1), 10);
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in = in.substring(0, slash);
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} catch (Exception ignored) {
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}
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}
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address = Attribute.parseIPString(in);
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if ((address instanceof Inet6Address) && (cidr > 128 || cidr < 0))
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cidr = 128;
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else if ((address instanceof Inet4Address) && (cidr > 32 || cidr < 0))
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cidr = 32;
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}
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public InetAddress getAddress() {
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return address;
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}
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public int getCidr() {
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return cidr;
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}
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@Override
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public String toString() {
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return String.format(Locale.getDefault(), "%s/%d", address.getHostAddress(), cidr);
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}
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}
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