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Diffstat (limited to '')
-rw-r--r-- | bin/tools/arpaname.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/bin/tools/arpaname.c b/bin/tools/arpaname.c new file mode 100644 index 0000000..c154ee5 --- /dev/null +++ b/bin/tools/arpaname.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + + +#include "config.h" + +#include <isc/net.h> +#include <isc/print.h> + +#include <stdio.h> + +#define UNUSED(x) (void)(x) + +int +main(int argc, char *argv[]) { + unsigned char buf[16]; + int i; + + UNUSED(argc); + + while (argv[1]) { + if (inet_pton(AF_INET6, argv[1], buf) == 1) { + for (i = 15; i >= 0; i--) + fprintf(stdout, "%X.%X.", buf[i] & 0xf, + (buf[i] >> 4) & 0xf); + fprintf(stdout, "IP6.ARPA\n"); + argv++; + continue; + } + if (inet_pton(AF_INET, argv[1], buf) == 1) { + fprintf(stdout, "%u.%u.%u.%u.IN-ADDR.ARPA\n", + buf[3], buf[2], buf[1], buf[0]); + argv++; + continue; + } + return (1); + } + fflush(stdout); + return(ferror(stdout)); +} |