Adding upstream version 3.2.6.upstream/3.2.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 85 insertions, 0 deletions

diff --git a/tests/contrib/test_inet_ntop.c b/tests/contrib/test_inet_ntop.c
new file mode 100644
index 0000000..33e7b7e
--- /dev/null
+++ b/tests/contrib/test_inet_ntop.c
@@ -0,0 +1,85 @@
+/*  Copyright (C) 2023 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 <arpa/inet.h>
+#include <netinet/in.h>
+#include <string.h>
+
+#include "contrib/musl/inet_ntop.h"
+
+uint8_t bin[sizeof(struct in6_addr)];
+const socklen_t len = INET6_ADDRSTRLEN;
+char buf[INET6_ADDRSTRLEN];
+const char *txt;
+
+#define CHECK4(addr) \
+	ok(inet_pton(AF_INET, addr, bin) == 1, "inet_pton(%s)", addr); \
+	ok((txt = knot_inet_ntop(AF_INET, bin, buf, len)) != NULL, "knot_inet_ntop(%s)", addr); \
+	ok(strcmp(txt, addr) == 0, "match %s", addr);
+
+#define CHECK6(addr, ref) \
+	ok(inet_pton(AF_INET6, addr, bin) == 1, "inet_pton(%s)", addr); \
+	ok((txt = knot_inet_ntop(AF_INET6, bin, buf, len)) != NULL, "knot_inet_ntop(%s)", addr); \
+	ok(strcmp(txt, ref) == 0, "match %s %s", txt, ref);
+
+int main(int argc, char *argv[])
+{
+	plan_lazy();
+
+	diag("IPv4 addresses");
+	CHECK4("0.0.0.0");
+	CHECK4("1.2.3.4");
+	CHECK4("11.12.13.14");
+	CHECK4("255.255.255.255");
+
+	diag("IPv6 addresses");
+	CHECK6("::0",    "::");
+	CHECK6("::00",   "::");
+	CHECK6("::000",  "::");
+	CHECK6("::0000", "::");
+
+	CHECK6("::1",    "::1");
+	CHECK6("::01",   "::1");
+	CHECK6("::001",  "::1");
+	CHECK6("::0001", "::1");
+
+	CHECK6("::10",   "::10");
+	CHECK6("::100",  "::100");
+	CHECK6("::1000", "::1000");
+
+	CHECK6("::1:0",           "::1:0");
+	CHECK6("::1:0:0",         "::1:0:0");
+	CHECK6("::1:0:0:0",       "::1:0:0:0");
+	CHECK6("::1:0:0:0:0",     "0:0:0:1::");
+	CHECK6("::1:0:0:0:0:0",   "0:0:1::");
+	CHECK6("::1:0:0:0:0:0:0", "0:1::");
+	CHECK6("1:0:0:0:0:0:0:0", "1::");
+
+	// IPv4-Compatible IPv6 Addresses (not supported).
+	CHECK6("::0:1:1",     "::1:1");
+	CHECK6("::0:1.2.3.4", "::102:304");
+
+	// IPv4-Mapped IPv6 Addresses.
+	CHECK6("::ffff:1:1",     "::ffff:0.1.0.1");
+	CHECK6("::ffff:1.2.3.4", "::ffff:1.2.3.4");
+
+	CHECK6("1::1", "1::1");
+	CHECK6("1000::1", "1000::1");
+	CHECK6("1:20:300:4000:0005:006:07:8", "1:20:300:4000:5:6:7:8");
+
+	return 0;
+}