diff options
| -rw-r--r-- | Userland/Utilities/host.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/Userland/Utilities/host.cpp b/Userland/Utilities/host.cpp index 993f273721..dd6783ffb4 100644 --- a/Userland/Utilities/host.cpp +++ b/Userland/Utilities/host.cpp @@ -4,6 +4,7 @@ * SPDX-License-Identifier: BSD-2-Clause */ +#include <AK/IPv4Address.h> #include <LibCore/ArgsParser.h> #include <LibCore/System.h> #include <LibMain/Main.h> @@ -23,14 +24,11 @@ ErrorOr<int> serenity_main(Main::Arguments args) args_parser.parse(args); // If input looks like an IPv4 address, we should do a reverse lookup. - struct sockaddr_in addr; - memset(&addr, 0, sizeof(addr)); - addr.sin_family = AF_INET; - addr.sin_port = htons(53); - int rc = inet_pton(AF_INET, name_or_ip, &addr.sin_addr); - if (rc == 1) { + auto ip_address = IPv4Address::from_string(name_or_ip); + if (ip_address.has_value()) { // Okay, let's do a reverse lookup. - auto* hostent = gethostbyaddr(&addr.sin_addr, sizeof(in_addr), AF_INET); + auto addr = ip_address.value().to_in_addr_t(); + auto* hostent = gethostbyaddr(&addr, sizeof(in_addr), AF_INET); if (!hostent) { warnln("Reverse lookup failed for '{}'", name_or_ip); return 1; |