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tests: Add tests for invalid DNS response header parsing

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Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
This commit is contained in:
Philip Withnall 2022-03-18 15:54:19 +00:00
parent 2a7b4db243
commit 51f70fe62e
1 changed files with 42 additions and 0 deletions
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42
gio/tests/resolver-parsing.c
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@ -106,11 +106,53 @@ dns_header (void)
} }
#endif /* HAVE_DN_COMP */ #endif /* HAVE_DN_COMP */
static void
test_invalid_header (void)
{
const struct
{
const guint8 *answer;
gsize answer_len;
GResolverError expected_error_code;
}
vectors[] =
{
/* No answer: */
{ (const guint8 *) "", 0, G_RESOLVER_ERROR_NOT_FOUND },
/* Definitely too short to be a valid header: */
{ (const guint8 *) "\x20", 1, G_RESOLVER_ERROR_INTERNAL },
/* One byte too short to be a valid header: */
{ (const guint8 *) "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 11, G_RESOLVER_ERROR_INTERNAL },
/* Valid header indicating no answers: */
{ (const guint8 *) "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12, G_RESOLVER_ERROR_NOT_FOUND },
};
gsize i;
for (i = 0; i < G_N_ELEMENTS (vectors); i++)
{
GList *records = NULL;
GError *local_error = NULL;
records = g_resolver_records_from_res_query ("example.org",
g_resolver_record_type_to_rrtype (G_RESOLVER_RECORD_NS),
vectors[i].answer,
vectors[i].answer_len,
0,
&local_error);
g_assert_error (local_error, G_RESOLVER_ERROR, (gint) vectors[i].expected_error_code);
g_assert_null (records);
g_clear_error (&local_error);
}
}
int int
main (int argc, main (int argc,
char *argv[]) char *argv[])
{ {
g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL); g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
g_test_add_func ("/gresolver/invalid-header", test_invalid_header);
return g_test_run (); return g_test_run ();
} }