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authorLennart Poettering <lennart@poettering.net>2015-11-29 14:27:28 +0100
committerLennart Poettering <lennart@poettering.net>2015-11-30 19:42:35 +0100
commit1dfbf0007af3023c2e3ae8282a0d0f229f3a89e3 (patch)
treec50e23e955b9d7151fb0f4f55c833daf8e7eff01 /src/test/test-dns-domain.c
parent3b37fa735224e58fcc23c737b764d13e22c2885b (diff)
dns-domain: don't accept overly long hostnames
Make sure dns_name_normalize(), dns_name_concat(), dns_name_is_valid() do not accept/generate invalidly long hostnames, i.e. longer than 253 characters.
Diffstat (limited to 'src/test/test-dns-domain.c')
-rw-r--r--src/test/test-dns-domain.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/test-dns-domain.c b/src/test/test-dns-domain.c
index 7ad59d378a..3e470c0ef2 100644
--- a/src/test/test-dns-domain.c
+++ b/src/test/test-dns-domain.c
@@ -314,6 +314,24 @@ static void test_dns_name_is_valid(void) {
test_dns_name_is_valid_one("\\zbar", 0);
test_dns_name_is_valid_one("รค", 1);
test_dns_name_is_valid_one("\n", 0);
+
+ /* 256 characters*/
+ test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345", 0);
+
+ /* 255 characters*/
+ test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a1234", 0);
+
+ /* 254 characters*/
+ test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a123", 0);
+
+ /* 253 characters*/
+ test_dns_name_is_valid_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12", 1);
+
+ /* label of 64 chars length */
+ test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a123", 0);
+
+ /* label of 63 chars length */
+ test_dns_name_is_valid_one("a123456789a123456789a123456789a123456789a123456789a123456789a12", 1);
}
static void test_dns_service_name_is_valid(void) {