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fix ip6addr_aton handling IPv4-mapped addresses

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... and added a unit test for it

Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
This commit is contained in:
Simon Goldschmidt
2018-06-11 22:21:31 +02:00
parent 288d3c2802
commit 2837bb310c
2 changed files with 87 additions and 1 deletions
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49
test/unit/ip6/test_ip6.c
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@@ -141,6 +141,54 @@ START_TEST(test_ip6_ll_addr)
}
END_TEST
START_TEST(test_ip6_aton_ipv4mapped)
{
int ret;
ip_addr_t addr;
ip6_addr_t addr6;
const ip_addr_t addr_expected = IPADDR6_INIT_HOST(0, 0, 0xFFFF, 0xD4CC65D2);
LWIP_UNUSED_ARG(_i);
/* check IPv6 representation */
memset(&addr6, 0, sizeof(addr6));
ret = ip6addr_aton("0:0:0:0:0:FFFF:D4CC:65D2", &addr6);
fail_unless(ret == 1);
fail_unless(memcmp(&addr6, &addr_expected, 16) == 0);
memset(&addr, 0, sizeof(addr));
ret = ipaddr_aton("0:0:0:0:0:FFFF:D4CC:65D2", &addr);
fail_unless(ret == 1);
fail_unless(memcmp(&addr, &addr_expected, 16) == 0);
/* check shortened IPv6 representation */
memset(&addr6, 0, sizeof(addr6));
ret = ip6addr_aton("::FFFF:D4CC:65D2", &addr6);
fail_unless(ret == 1);
fail_unless(memcmp(&addr6, &addr_expected, 16) == 0);
memset(&addr, 0, sizeof(addr));
ret = ipaddr_aton("::FFFF:D4CC:65D2", &addr);
fail_unless(ret == 1);
fail_unless(memcmp(&addr, &addr_expected, 16) == 0);
/* checked mixed representation */
memset(&addr6, 0, sizeof(addr6));
ret = ip6addr_aton("::FFFF:212.204.101.210", &addr6);
fail_unless(ret == 1);
fail_unless(memcmp(&addr6, &addr_expected, 16) == 0);
memset(&addr, 0, sizeof(addr));
ret = ipaddr_aton("::FFFF:212.204.101.210", &addr);
fail_unless(ret == 1);
fail_unless(memcmp(&addr, &addr_expected, 16) == 0);
/* checked bogus mixed representation */
memset(&addr6, 0, sizeof(addr6));
ret = ip6addr_aton("::FFFF:212.204.101.2101", &addr6);
fail_unless(ret == 0);
memset(&addr, 0, sizeof(addr));
ret = ipaddr_aton("::FFFF:212.204.101.2101", &addr);
fail_unless(ret == 0);
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
@@ -148,6 +196,7 @@ ip6_suite(void)
{
testfunc tests[] = {
TESTFUNC(test_ip6_ll_addr),
TESTFUNC(test_ip6_aton_ipv4mapped),
};
return create_suite("IPv6", tests, sizeof(tests)/sizeof(testfunc), ip6_setup, ip6_teardown);
}