Check-in [9d1bdab9a6]
Overview
Comment:Changed to only allow SSL2 and SSL3 to be manually enabled. See RFC 8996, Deprecating TLS 1.0 and TLS 1.1. Also see NIST SP 800-52r2 which requires TLS 1.2 and TLS 1.3, should not use TLS 1.1, and shall not use TLS 1.0, SSL 3.0, or SSL 2.0.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 9d1bdab9a6e7e00285ae227380c9136a65b751c87d0e3dc429c7a3c7987ddce0
User & Date: bohagan on 2023-09-02 20:03:56
Other Links: manifest | tags
Context
2023-09-02
21:13
Set automatic curve selection for ECDH temporary keys used during key exchange. Used to make a server always choose the most appropriate curve for a client. Disable compression even if supported. check-in: 1dbae1afec user: bohagan tags: trunk
20:03
Changed to only allow SSL2 and SSL3 to be manually enabled. See RFC 8996, Deprecating TLS 1.0 and TLS 1.1. Also see NIST SP 800-52r2 which requires TLS 1.2 and TLS 1.3, should not use TLS 1.1, and shall not use TLS 1.0, SSL 3.0, or SSL 2.0. check-in: 9d1bdab9a6 user: bohagan tags: trunk
2023-09-01
21:57
Merged status and X509 updates branch into master check-in: 3432ab03a3 user: bohagan tags: trunk
Changes

Modified generic/tls.c from [18bce24fbb] to [a404941892].

1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1268
1269
1270
1271
1272
1273
1274






1275
1276
1277
1278
1279
1280
1281







-
-
-
-
-
-







    int ssl2 = 0, ssl3 = 0;
    int tls1 = 1, tls1_1 = 1, tls1_2 = 1, tls1_3 = 1;
    int proto = 0, level = -1;
    int verify = 0, require = 0, request = 1, post_handshake = 0;

    dprintf("Called");

#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(OPENSSL_NO_SSL2) && !defined(NO_SSL2) && defined(NO_SSL3) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3)
    ssl2 = 1;
#endif
#if !defined(OPENSSL_NO_SSL3) && !defined(NO_SSL3) && defined(NO_SSL2) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3)
    ssl3 = 1;
#endif
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
    tls1 = 0;
#endif
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1)
    tls1_1 = 0;
#endif
#if defined(NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2)
1754
1755
1756
1757
1758
1759
1760





1761
1762
1763
1764
1765
1766
1767
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766







+
+
+
+
+







#endif
#if defined(NO_TLS1_3) || defined(OPENSSL_NO_TLS1_3)
    if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
	Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
	return NULL;
    }
#endif
    if (proto == 0) {
	/* Use full range */
	SSL_CTX_set_min_proto_version(ctx, 0);
	SSL_CTX_set_max_proto_version(ctx, 0);
    }

    switch (proto) {
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
    case TLS_PROTO_SSL2:
	method = isServer ? SSLv2_server_method() : SSLv2_client_method();
	break;
#endif