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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2024 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <mailutils/mailutils.h>
static void
print_bytes (unsigned char *b, size_t l)
{
for (; l; l--, b++)
printf (" %02x", *b);
printf ("\n");
}
static int ipv6_simplify;
struct mu_option options[] = {
{ "simplify", 's', NULL, MU_OPTION_DEFAULT,
"simplify IPv6 addresses", mu_c_bool, &ipv6_simplify },
MU_OPTION_END
};
int
main (int argc, char **argv)
{
mu_set_program_name (argv[0]);
mu_cli_simple (argc, argv,
MU_CLI_OPTION_OPTIONS, options,
MU_CLI_OPTION_PROG_DOC, "cidr test tool",
MU_CLI_OPTION_PROG_ARGS, "CIDR [CIDR...]",
MU_CLI_OPTION_RETURN_ARGC, &argc,
MU_CLI_OPTION_RETURN_ARGV, &argv,
MU_CLI_OPTION_END);
if (argc == 0)
{
mu_error ("required argument missing; try %s --help for more info",
mu_program_name);
return 1;
}
while (argc--)
{
char *arg = *argv++;
struct mu_cidr cidr;
int rc;
char *str;
rc = mu_cidr_from_string (&cidr, arg);
if (rc)
{
mu_error ("%s: %s", arg, mu_strerror (rc));
continue;
}
printf ("%s:\n", arg);
printf ("family = %d\n", cidr.family);
printf ("len = %d\n", cidr.len);
printf ("address =");
print_bytes (cidr.address, cidr.len);
printf ("netmask =");
print_bytes (cidr.netmask, cidr.len);
rc = mu_cidr_format (&cidr, ipv6_simplify ? MU_CIDR_FMT_SIMPLIFY : 0,
&str);
if (rc)
{
mu_error ("cannot convert to string: %s", mu_strerror (rc));
return 2;
}
printf ("string = %s\n", str);
free (str);
}
return 0;
}
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