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/* test subnets, for libreswan
*
* Copyright (C) 2000 Henry Spencer.
* Copyright (C) 2018, 2019 Andrew Cagney
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/lgpl-2.1.txt>.
*
* 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 Library General Public
* License for more details.
*/
#include <stdio.h>
#include "lswcdefs.h" /* for elemsof() */
#include "constants.h" /* for streq() */
#include "ipcheck.h"
#include "ip_cidr.h"
static void check__ttocidr_num(void)
{
static const struct test {
int line;
const struct ip_info *afi;
const char *in;
const char *str;
} tests[] = {
{ LN, &ipv4_info, "128.0.0.0/0", "128.0.0.0/0", },
{ LN, &ipv6_info, "8000::/0", "8000::/0", },
{ LN, &ipv4_info, "128.0.0.0/1", "128.0.0.0/1", },
{ LN, &ipv6_info, "8000::/1", "8000::/1", },
{ LN, &ipv4_info, "1.2.255.4/23", "1.2.255.4/23", },
{ LN, &ipv4_info, "1.2.255.255/24", "1.2.255.255/24", },
{ LN, &ipv4_info, "1.2.3.255/25", "1.2.3.255/25", },
{ LN, &ipv6_info, "1:2:3:ffff::/63", "1:2:3:ffff::/63", },
{ LN, &ipv6_info, "1:2:3:ffff:ffff::/64", "1:2:3:ffff:ffff::/64", },
{ LN, &ipv6_info, "1:2:3:4:ffff::/65", "1:2:3:4:ffff::/65", },
{ LN, &ipv4_info, "1.2.3.255/31", "1.2.3.255/31", },
{ LN, &ipv4_info, "1.2.3.255/32", "1.2.3.255/32", },
{ LN, &ipv6_info, "1:2:3:4:5:6:7:ffff/127", "1:2:3:4:5:6:7:ffff/127", },
{ LN, &ipv6_info, "1:2:3:4:5:6:7:ffff/128", "1:2:3:4:5:6:7:ffff/128", },
/* no mask */
{ LN, &ipv4_info, "1.2.3.4", "1.2.3.4/32", },
{ LN, &ipv6_info, "1:2:3:4:5:6:7:8", "1:2:3:4:5:6:7:8/128", },
/* empty */
{ LN, &ipv4_info, "", NULL, },
{ LN, &ipv6_info, "", NULL, },
/* mask out-of-bounds */
{ LN, &ipv4_info, "1.2.3.255/33", NULL, },
{ LN, &ipv6_info, "1:2:3:4:5:6:7:ffff/129", NULL, },
};
for (size_t ti = 0; ti < elemsof(tests); ti++) {
const struct test *t = &tests[ti];
PRINT("%s %s ", t->in, t->str != NULL ? t->str : "ERROR");
ip_cidr tmp, *cidr = &tmp;
err_t err = ttocidr_num(shunk1(t->in), t->afi, cidr);
if (err != NULL) {
if (t->str != NULL) {
FAIL("numeric_to_cidr() unexpectedly failed: %s", err);
}
continue;
} else if (t->str == NULL) {
FAIL("numeric_to_cidr() unexpectedly succeeded");
}
CHECK_INFO(cidr);
CHECK_STR2(cidr);
}
}
static void check_cidr_is()
{
static const struct test {
int line;
const struct ip_info *afi;
const char *in;
bool specified;
} tests[] = {
/* default route */
{ LN, &ipv4_info, "0.0.0.0/0", false, },
{ LN, &ipv6_info, "::/0", false, },
/* unspecified address */
{ LN, &ipv4_info, "0.0.0.0/32", false, },
{ LN, &ipv4_info, "0.0.0.0/24", false, },
{ LN, &ipv4_info, "0.0.0.0/16", false, },
{ LN, &ipv6_info, "::/128", false, },
{ LN, &ipv6_info, "::/64", false, },
/* something valid */
{ LN, &ipv4_info, "127.0.0.1/32", true, },
{ LN, &ipv6_info, "::1/128", true, },
};
for (size_t ti = 0; ti < elemsof(tests); ti++) {
const struct test *t = &tests[ti];
PRINT("%s %s ", t->in, bool_str(t->specified));
ip_cidr cidr;
err_t err = ttocidr_num(shunk1(t->in), t->afi, &cidr);
if (err != NULL) {
FAIL("numeric_to_cidr() unexpectedly failed: %s", err);
}
bool specified = cidr_is_specified(cidr);
if (specified != t->specified) {
FAIL("cidr_is_specified() returned %s, expecting %s",
bool_str(specified), bool_str(t->specified));
}
}
}
void ip_cidr_check(void)
{
check__ttocidr_num();
check_cidr_is();
}
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