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sockettest: Check for IPv4-in-IPv6 parsing and formatting

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There are two standards how IPv4 address in IPv6 can be
expressed:

  ::10.1.2.3
  ::ffff:10.1.2.3

The former is obsolete and the latter should be used instead [1].
Add test cases to our sockettest to exercise parsing/formatting
of the valid address format.

1: https://datatracker.ietf.org/doc/html/rfc4291#section-2.5.5.1

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Michal Privoznik 2022-03-03 16:43:18 +01:00
parent c3c1293984
commit c7a0b89065
1 changed files with 2 additions and 0 deletions
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2
tests/sockettest.c
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@ -371,12 +371,14 @@ mymain(void)
DO_TEST_PARSE_AND_CHECK_FORMAT("127.2", "127.2.0.0", AF_INET, false);
DO_TEST_PARSE_AND_CHECK_FORMAT("1.2.3", "1.2.0.3", AF_INET, true);
DO_TEST_PARSE_AND_CHECK_FORMAT("1.2.3", "1.2.3.0", AF_INET, false);
DO_TEST_PARSE_AND_CHECK_FORMAT("::ffff:a01:203", "::ffff:10.1.2.3", AF_INET6, true);
DO_TEST_PARSE_AND_FORMAT("::1", AF_UNSPEC, true);
DO_TEST_PARSE_AND_FORMAT("::1", AF_INET, false);
DO_TEST_PARSE_AND_FORMAT("::1", AF_INET6, true);
DO_TEST_PARSE_AND_FORMAT("::1", AF_UNIX, false);
DO_TEST_PARSE_AND_FORMAT("::fffe:0:0", AF_UNSPEC, true);
DO_TEST_PARSE_AND_FORMAT("::ffff:10.1.2.3", AF_UNSPEC, true);
/* tests that specify a network that should contain the range */
DO_TEST_RANGE("192.168.122.1", "192.168.122.1", "192.168.122.1", 24, 1, true);