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shared: fix handling of suffix "." in dns_name_compare_func()

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All our other domain name handling functions make no destinction between
domain names that end in a dot plus a NUL, or those just ending in a
NUL. Make sure dns_name_compare_func() and dns_label_unescape_suffix()
do the same.
This commit is contained in:
Lennart Poettering
2015-12-27 01:41:39 +01:00
parent 735323d9d3
commit 5651285934
2 changed files with 27 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/test/test-dns-domain.c
+16 -2
View File
@@ -140,9 +140,9 @@ static void test_dns_label_unescape_suffix(void) {
test_dns_label_unescape_suffix_one("hallo\\", "hallo", "hallo", 20, -EINVAL, -EINVAL);
test_dns_label_unescape_suffix_one("hallo\\032 ", "hallo ", "", 20, 7, 0);
test_dns_label_unescape_suffix_one(".", "", "", 20, 0, 0);
test_dns_label_unescape_suffix_one("..", "", "", 20, 0, 0);
test_dns_label_unescape_suffix_one("..", "", "", 20, 0, -EINVAL);
test_dns_label_unescape_suffix_one(".foobar", "foobar", "", 20, 6, -EINVAL);
test_dns_label_unescape_suffix_one("foobar.", "", "foobar", 20, 0, 6);
test_dns_label_unescape_suffix_one("foobar.", "foobar", "", 20, 6, 0);
test_dns_label_unescape_suffix_one("foo\\\\bar", "foo\\bar", "", 20, 7, 0);
test_dns_label_unescape_suffix_one("foo.bar", "bar", "foo", 20, 3, 3);
test_dns_label_unescape_suffix_one("foo..bar", "bar", "", 20, 3, -EINVAL);
@@ -546,6 +546,19 @@ static void test_dns_name_equal_skip(void) {
test_dns_name_equal_skip_one("", 2, "foo", 0);
}
static void test_dns_name_compare_func(void) {
assert_se(dns_name_compare_func("", "") == 0);
assert_se(dns_name_compare_func("", ".") == 0);
assert_se(dns_name_compare_func(".", "") == 0);
assert_se(dns_name_compare_func("foo", "foo.") == 0);
assert_se(dns_name_compare_func("foo.", "foo") == 0);
assert_se(dns_name_compare_func("foo", "foo") == 0);
assert_se(dns_name_compare_func("foo.", "foo.") == 0);
assert_se(dns_name_compare_func("heise.de", "HEISE.DE.") == 0);
assert_se(dns_name_compare_func("de.", "heise.de") != 0);
}
int main(int argc, char *argv[]) {
test_dns_label_unescape();
@@ -569,6 +582,7 @@ int main(int argc, char *argv[]) {
test_dns_name_suffix();
test_dns_name_count_labels();
test_dns_name_equal_skip();
test_dns_name_compare_func();
return 0;
}