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/* Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <tap/basic.h>
#include "contrib/sockaddr.h"
#include "libknot/errcode.h"
static void test_sockaddr_is_any(void)
{
struct sockaddr_storage invalid = { 0 };
ok(!sockaddr_is_any(&invalid), "sockaddr_is_any: invalid");
struct sockaddr_storage path = { 0 };
path.ss_family = AF_UNIX;
ok(!sockaddr_is_any(&path), "sockaddr_is_any: unix");
struct sockaddr_storage ipv4_local = { 0 };
sockaddr_set(&ipv4_local, AF_INET, "127.0.0.1", 0);
ok(!sockaddr_is_any(&ipv4_local), "sockaddr_is_any: IPv4 local");
struct sockaddr_storage ipv4_any = { 0 };
sockaddr_set(&ipv4_any, AF_INET, "0.0.0.0", 0);
ok(sockaddr_is_any(&ipv4_any), "sockaddr_is_any: IPv4 any");
struct sockaddr_storage ipv6_local = { 0 };
sockaddr_set(&ipv6_local, AF_INET6, "::1", 0);
ok(!sockaddr_is_any(&ipv6_local), "sockaddr_is_any: IPv6 local");
struct sockaddr_storage ipv6_any = { 0 };
sockaddr_set(&ipv6_any, AF_INET6, "::", 0);
ok(sockaddr_is_any(&ipv6_any), "sockaddr_is_any: IPv6 any");
}
static void check_sockaddr_set(struct sockaddr_storage *ss, int family,
const char *straddr, int port)
{
int ret = sockaddr_set(ss, family, straddr, port);
is_int(KNOT_EOK, ret, "set address '%s'", straddr);
}
static void test_net_match(void)
{
int ret;
struct sockaddr_storage t = { 0 };
// 127 dec ~ 01111111 bin
// 170 dec ~ 10101010 bin
struct sockaddr_storage ref4 = { 0 };
check_sockaddr_set(&ref4, AF_INET, "127.170.170.127", 0);
// 7F hex ~ 01111111 bin
// AA hex ~ 10101010 bin
struct sockaddr_storage ref6 = { 0 };
check_sockaddr_set(&ref6, AF_INET6, "7FAA::AA7F", 0);
ret = sockaddr_net_match(&ref4, &ref6, 32);
ok(ret == false, "match: family mismatch");
ret = sockaddr_net_match(NULL, &ref4, 32);
ok(ret == false, "match: NULL first parameter");
ret = sockaddr_net_match(&ref4, NULL, 32);
ok(ret == false, "match: NULL second parameter");
ret = sockaddr_net_match(&ref4, &ref4, -1);
ok(ret == true, "match: ipv4 - identity, auto full prefix");
ret = sockaddr_net_match(&ref4, &ref4, 31);
ok(ret == true, "match: ipv4 - identity, subnet");
ret = sockaddr_net_match(&ref4, &ref4, 32);
ok(ret == true, "match: ipv4 - identity, full prefix");
ret = sockaddr_net_match(&ref4, &ref4, 33);
ok(ret == true, "match: ipv4 - identity, prefix overflow");
ret = sockaddr_net_match(&ref6, &ref6, -1);
ok(ret == true, "match: ipv6 - identity, auto full prefix");
ret = sockaddr_net_match(&ref6, &ref6, 127);
ok(ret == true, "match: ipv6 - identity, subnet");
ret = sockaddr_net_match(&ref6, &ref6, 128);
ok(ret == true, "match: ipv6 - identity, full prefix");
ret = sockaddr_net_match(&ref6, &ref6, 129);
ok(ret == true, "match: ipv6 - identity, prefix overflow");
// 124 dec ~ 01111100 bin
check_sockaddr_set(&t, AF_INET, "124.0.0.0", 0);
ret = sockaddr_net_match(&t, &ref4, 5);
ok(ret == true, "match: ipv4 - first byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref4, 6);
ok(ret == true, "match: ipv4 - first byte, precise prefix");
ret = sockaddr_net_match(&t, &ref4, 7);
ok(ret == false, "match: ipv4 - first byte, not match");
check_sockaddr_set(&t, AF_INET, "127.170.170.124", 0);
ret = sockaddr_net_match(&t, &ref4, 29);
ok(ret == true, "match: ipv4 - last byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref4, 30);
ok(ret == true, "match: ipv4 - last byte, precise prefix");
ret = sockaddr_net_match(&t, &ref4, 31);
ok(ret == false, "match: ipv4 - last byte, not match");
// 7C hex ~ 01111100 bin
check_sockaddr_set(&t, AF_INET6, "7CAA::", 0);
ret = sockaddr_net_match(&t, &ref6, 5);
ok(ret == true, "match: ipv6 - first byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref6, 6);
ok(ret == true, "match: ipv6 - first byte, precise prefix");
ret = sockaddr_net_match(&t, &ref6, 7);
ok(ret == false, "match: ipv6 - first byte, not match");
check_sockaddr_set(&t, AF_INET6, "7FAA::AA7C", 0);
ret = sockaddr_net_match(&t, &ref6, 125);
ok(ret == true, "match: ipv6 - last byte, shorter prefix");
ret = sockaddr_net_match(&t, &ref6, 126);
ok(ret == true, "match: ipv6 - last byte, precise prefix");
ret = sockaddr_net_match(&t, &ref6, 127);
ok(ret == false, "match: ipv6 - last byte, not match");
}
static void test_range_match(void)
{
bool ret;
struct sockaddr_storage t = { 0 };
struct sockaddr_storage min = { 0 };
struct sockaddr_storage max = { 0 };
// IPv4 tests.
check_sockaddr_set(&min, AF_INET, "0.0.0.0", 0);
check_sockaddr_set(&max, AF_INET, "255.255.255.255", 0);
check_sockaddr_set(&t, AF_INET, "0.0.0.0", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 max range - minimum");
check_sockaddr_set(&t, AF_INET, "255.255.255.255", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 max range - maximum");
check_sockaddr_set(&min, AF_INET, "1.13.113.213", 0);
check_sockaddr_set(&max, AF_INET, "2.24.124.224", 0);
check_sockaddr_set(&t, AF_INET, "1.12.113.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative far min");
check_sockaddr_set(&t, AF_INET, "1.13.113.212", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative close min");
check_sockaddr_set(&t, AF_INET, "1.13.113.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - minimum");
check_sockaddr_set(&t, AF_INET, "1.13.213.213", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - middle");
check_sockaddr_set(&t, AF_INET, "2.24.124.224", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv4 middle range - max");
check_sockaddr_set(&t, AF_INET, "2.24.124.225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative close max");
check_sockaddr_set(&t, AF_INET, "2.25.124.225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv4 middle range - negative far max");
// IPv6 tests.
check_sockaddr_set(&min, AF_INET6, "::0", 0);
check_sockaddr_set(&max, AF_INET6,
"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF", 0);
check_sockaddr_set(&t, AF_INET6, "::0", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 max range - minimum");
check_sockaddr_set(&t, AF_INET6,
"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 max range - maximum");
check_sockaddr_set(&min, AF_INET6, "1:13::ABCD:200B", 0);
check_sockaddr_set(&max, AF_INET6, "2:A24::124:224", 0);
check_sockaddr_set(&t, AF_INET6, "1:12::BCD:2000", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative far min");
check_sockaddr_set(&t, AF_INET6, "1:13::ABCD:200A", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative close min");
check_sockaddr_set(&t, AF_INET6, "1:13::ABCD:200B", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - minimum");
check_sockaddr_set(&t, AF_INET6, "1:13:0:12:34:0:ABCD:200B", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - middle");
check_sockaddr_set(&t, AF_INET6, "2:A24::124:224", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == true, "match: ipv6 middle range - max");
check_sockaddr_set(&t, AF_INET6, "2:A24::124:225", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative close max");
check_sockaddr_set(&t, AF_INET6, "2:FA24::4:24", 0);
ret = sockaddr_range_match(&t, &min, &max);
ok(ret == false, "match: ipv6 middle range - negative far max");
}
int main(int argc, char *argv[])
{
plan_lazy();
diag("sockaddr_is_any");
test_sockaddr_is_any();
diag("sockaddr_net_match");
test_net_match();
diag("sockaddr_range_match");
test_range_match();
return 0;
}
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