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-rw-r--r--tests/contrib/test_sockaddr.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/tests/contrib/test_sockaddr.c b/tests/contrib/test_sockaddr.c
new file mode 100644
index 0000000..7a5cf54
--- /dev/null
+++ b/tests/contrib/test_sockaddr.c
@@ -0,0 +1,256 @@
+/* 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");
+
+ // UNIX socket path tests
+
+ struct sockaddr_storage ref_un = { 0 };
+ check_sockaddr_set(&ref_un, AF_UNIX, "/tmp/knot.listen", 0);
+
+ check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen", 0);
+ ret = sockaddr_net_match(&t, &ref_un, 0);
+ ok(ret == true, "match: UNIX, match");
+
+ check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.liste", 0);
+ ret = sockaddr_net_match(&t, &ref_un, 0);
+ ok(ret == false, "match: UNIX, shorter, not match");
+
+ check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen.", 0);
+ ret = sockaddr_net_match(&t, &ref_un, 0);
+ ok(ret == false, "match: UNIX, longer, not match");
+
+ check_sockaddr_set(&t, AF_UNIX, "1234567890123456789012345678901234567890", 0);
+ ret = sockaddr_net_match(&t, &ref_un, 0);
+ ok(ret == false, "match: UNIX, longer than max for sockaddr_t, 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");
+
+ // UNIX socket path tests
+
+ check_sockaddr_set(&t, AF_UNIX, "/tmp/knot.listen", 0);
+ ret = sockaddr_range_match(&t, &t, &t);
+ ok(ret == false, "match: range not supported for UNIX");
+}
+
+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;
+}