On Wed, 3 Dec 2025 00:42:25 GMT, Sergey Chernyshev <[email protected]> wrote:
>> Hi all, >> >> Let me propose a fix and a test case for JDK-8369950. >> >> The failure reproduces with BCJSSE provider and all implementations of >> SSLSocket other than SSLSocketImpl. >> >> In the test case an anonymous wrapper is used, over the standard >> SSLSocketImpl, to simulate an external JSSE provider. The test case shows >> the same behavior as in BCJSSE (failure due to non-LDH ASCII characters in >> the SNI host name). >> >> The fix avoids constructing SNIHostName when the URL host name is an IPv4 or >> IPv6 literal address. Other than that, all other FQDN host names that have >> invalid characters (non-LDH ASCII characters) still produce that exception. >> >> SNIHostName, as defined in >> https://github.com/openjdk/jdk/blob/873f8a696fa45c7d94a164be20cf3c797ce7f2a6/src/java.base/share/classes/javax/net/ssl/SNIHostName.java#L44-L66 >> >> has the fully qualified DNS hostname of the server. As follows from the >> section 3, "Server Name Indication", RFC 6066, `Literal IPv4 and IPv6 >> addresses are not permitted in "HostName"`. >> >> The fix mirrors the behavior of SSLSocketImpl, that avoids constructing the >> SNIHostName from literal addresses. Please see >> >> https://github.com/openjdk/jdk/blob/873f8a696fa45c7d94a164be20cf3c797ce7f2a6/src/java.base/share/classes/sun/security/ssl/Utilities.java#L110-L116 >> >> Testing: >> - standard jtreg tests goups showed no regressions >> - the new test passes with the fix and fails otherwise >> - passes also with BCJSSE in FIPS and standard mode >> >> <details><summary> BCJSSE standard</summary> >> >> >> STDOUT: >> STDERR: >> Dez. 01, 2025 2:44:02 PM org.bouncycastle.jsse.provider.PropertyUtils >> getBooleanSecurityProperty >> INFORMATION: Found boolean security property [keystore.type.compat]: true >> Dez. 01, 2025 2:44:02 PM org.bouncycastle.jsse.provider.PropertyUtils >> getStringSecurityProperty >> INFORMATION: Found string security property [jdk.tls.disabledAlgorithms]: >> SSLv3, TLSv1, TLSv1.1, DTLSv1.0, RC4, DES, MD5withRSA, DH keySize < 1024, EC >> keySize < 224, 3DES_EDE_CBC, anon, NULL, ECDH, TLS_RSA_*, rsa_pkcs1_sha1 >> usage HandshakeSignature, ecdsa_sha1 usage HandshakeSignature, dsa_sha1 >> usage HandshakeSignature >> Dez. 01, 2025 2:44:02 PM >> org.bouncycastle.jsse.provider.DisabledAlgorithmConstraints create >> WARNUNG: Ignoring unsupported entry in 'jdk.tls.disabledAlgorithms': >> rsa_pkcs1_sha1 usage HandshakeSignature >> Dez. 01, 2025 2:44:02 PM >> org.bouncycastle.jsse.provider.DisabledAlgorithmConstraints create >> WARNUNG: Ignoring unsupported entry in 'jdk.tl... > > Sergey Chernyshev has updated the pull request incrementally with one > additional commit since the last revision: > > test that ipv4 literals do not propagate to the server names list test/jdk/javax/net/ssl/HttpsURLConnection/SubjectAltNameIPv6.java line 103: > 101: OutputStream sslOS = sslSocket.getOutputStream(); > 102: BufferedWriter bw = new BufferedWriter(new > OutputStreamWriter(sslOS)); > 103: bw.write("HTTP/1.1 200 OK\r\n\r\n\r\n"); Suggestion: bw.write("HTTP/1.1 200 OK\r\n\r\n"); test/jdk/javax/net/ssl/HttpsURLConnection/SubjectAltNameIPv6.java line 105: > 103: bw.write("HTTP/1.1 200 OK\r\n\r\n\r\n"); > 104: bw.flush(); > 105: sslSocket.close(); Now that you removed the Thread.sleep, you can't close the socket without reading the request off the input stream; it will cause intermittent connection reset failures on Windows. You can use the [readOneRequest method](https://github.com/openjdk/jdk/blob/530493fed4066b1efcf3ec22253b110495767eca/test/jdk/sun/net/www/http/HttpClient/CookieHttpClientTest.java#L77-L89). test/jdk/javax/net/ssl/HttpsURLConnection/SubjectAltNameIPv6.java line 122: > 120: if (!ready) { > 121: throw new RuntimeException("Server timed out."); > 122: } Suggestion: serverReady.await(); ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/28577#discussion_r2583948756 PR Review Comment: https://git.openjdk.org/jdk/pull/28577#discussion_r2583948186 PR Review Comment: https://git.openjdk.org/jdk/pull/28577#discussion_r2583955178
