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Improve error handling for tcp address parsing

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This commit is contained in:
AsamK 2021-12-16 21:10:15 +01:00
parent 6bdfa11b66
commit 1c9d16e199
1 changed files with 11 additions and 5 deletions
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16
src/main/java/org/asamk/signal/util/IOUtils.java
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@ -98,16 +98,22 @@ public class IOUtils {
public static InetSocketAddress parseInetSocketAddress(final String tcpAddress) throws UserErrorException {
final var colonIndex = tcpAddress.lastIndexOf(':');
if (colonIndex < 0) {
throw new UserErrorException("Invalid tcp bind address: " + tcpAddress);
throw new UserErrorException("Invalid tcp bind address (expected host:port): " + tcpAddress);
}
final String host = tcpAddress.substring(0, colonIndex);
final var host = tcpAddress.substring(0, colonIndex);
final var portString = tcpAddress.substring(colonIndex + 1);
final int port;
try {
port = Integer.parseInt(tcpAddress.substring(colonIndex + 1));
port = Integer.parseInt(portString);
} catch (NumberFormatException e) {
throw new UserErrorException("Invalid tcp bind address: " + tcpAddress, e);
throw new UserErrorException("Invalid tcp port: " + portString, e);
}
return new InetSocketAddress(host, port);
final var socketAddress = new InetSocketAddress(host, port);
if (socketAddress.isUnresolved()) {
throw new UserErrorException("Invalid tcp bind address, invalid host: " + host);
}
return socketAddress;
}
public static UnixDomainPrincipal getUnixDomainPrincipal(final SocketChannel channel) throws IOException {