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/* 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;
}
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