Ensure we send an alert on error when processing a ticket
[openssl.git] / ssl / t1_trce.c
index ce98581..4d052d0 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -19,13 +19,14 @@ typedef struct {
 } ssl_trace_tbl;
 
 # define ssl_trace_str(val, tbl) \
-        do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
+    do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
 
 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
-        do_ssl_trace_list(bio, indent, msg, msglen, value, \
-         table, OSSL_NELEM(table))
+    do_ssl_trace_list(bio, indent, msg, msglen, value, \
+                      table, OSSL_NELEM(table))
 
-static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
+static const char *do_ssl_trace_str(int val, const ssl_trace_tbl *tbl,
+                                    size_t ntbl)
 {
     size_t i;
 
@@ -38,7 +39,7 @@ static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
 
 static int do_ssl_trace_list(BIO *bio, int indent,
                              const unsigned char *msg, size_t msglen,
-                             size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
+                             size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
 {
     int val;
 
@@ -58,35 +59,36 @@ static int do_ssl_trace_list(BIO *bio, int indent,
 
 /* Version number */
 
-static ssl_trace_tbl ssl_version_tbl[] = {
+static const ssl_trace_tbl ssl_version_tbl[] = {
     {SSL3_VERSION, "SSL 3.0"},
     {TLS1_VERSION, "TLS 1.0"},
     {TLS1_1_VERSION, "TLS 1.1"},
     {TLS1_2_VERSION, "TLS 1.2"},
     {TLS1_3_VERSION, "TLS 1.3"},
-    /* TODO(TLS1.3): Remove this line before release */
+    /* TODO(TLS1.3): Remove these lines before release */
+    {TLS1_3_VERSION_DRAFT_26, TLS1_3_VERSION_DRAFT_TXT_26},
+    {TLS1_3_VERSION_DRAFT_27, TLS1_3_VERSION_DRAFT_TXT_27},
     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
     {DTLS1_VERSION, "DTLS 1.0"},
     {DTLS1_2_VERSION, "DTLS 1.2"},
     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
 };
 
-static ssl_trace_tbl ssl_content_tbl[] = {
+static const ssl_trace_tbl ssl_content_tbl[] = {
     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
     {SSL3_RT_ALERT, "Alert"},
     {SSL3_RT_HANDSHAKE, "Handshake"},
     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
 };
 
-/* Handshake types */
-static ssl_trace_tbl ssl_handshake_tbl[] = {
+/* Handshake types, sorted by ascending id  */
+static const ssl_trace_tbl ssl_handshake_tbl[] = {
     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
     {SSL3_MT_SERVER_HELLO, "ServerHello"},
     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
-    {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
     {SSL3_MT_CERTIFICATE, "Certificate"},
     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
@@ -94,10 +96,10 @@ static ssl_trace_tbl ssl_handshake_tbl[] = {
     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
-    {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
-    {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
     {SSL3_MT_FINISHED, "Finished"},
+    {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
+    {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
 # ifndef OPENSSL_NO_NEXTPROTONEG
     {SSL3_MT_NEXT_PROTO, "NextProto"},
@@ -106,35 +108,35 @@ static ssl_trace_tbl ssl_handshake_tbl[] = {
 };
 
 /* Cipher suites */
-static ssl_trace_tbl ssl_ciphers_tbl[] = {
-    {0x0000, "SSL_NULL_WITH_NULL_NULL"},
-    {0x0001, "SSL_RSA_WITH_NULL_MD5"},
-    {0x0002, "SSL_RSA_WITH_NULL_SHA"},
-    {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
-    {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
-    {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
-    {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
-    {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
-    {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
-    {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
-    {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
-    {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
-    {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
-    {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
-    {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
-    {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
-    {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
-    {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
-    {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
-    {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
-    {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
-    {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
-    {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
+static const ssl_trace_tbl ssl_ciphers_tbl[] = {
+    {0x0000, "TLS_NULL_WITH_NULL_NULL"},
+    {0x0001, "TLS_RSA_WITH_NULL_MD5"},
+    {0x0002, "TLS_RSA_WITH_NULL_SHA"},
+    {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
+    {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
+    {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
+    {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
+    {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
+    {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
+    {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
+    {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
+    {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
+    {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
+    {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
+    {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
+    {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
+    {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
+    {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
+    {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
+    {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
+    {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
+    {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
+    {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
@@ -184,6 +186,8 @@ static ssl_trace_tbl ssl_ciphers_tbl[] = {
     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
+    {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
+    {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
@@ -441,16 +445,18 @@ static ssl_trace_tbl ssl_ciphers_tbl[] = {
     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
+    {0xFF85, "GOST2012-GOST8912-GOST8912"},
+    {0xFF87, "GOST2012-NULL-GOST12"},
 };
 
 /* Compression methods */
-static ssl_trace_tbl ssl_comp_tbl[] = {
+static const ssl_trace_tbl ssl_comp_tbl[] = {
     {0x0000, "No Compression"},
     {0x0001, "Zlib Compression"}
 };
 
-/* Extensions */
-static ssl_trace_tbl ssl_exts_tbl[] = {
+/* Extensions sorted by ascending id */
+static const ssl_trace_tbl ssl_exts_tbl[] = {
     {TLSEXT_TYPE_server_name, "server_name"},
     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
@@ -461,30 +467,35 @@ static ssl_trace_tbl ssl_exts_tbl[] = {
     {TLSEXT_TYPE_client_authz, "client_authz"},
     {TLSEXT_TYPE_server_authz, "server_authz"},
     {TLSEXT_TYPE_cert_type, "cert_type"},
-    {TLSEXT_TYPE_key_share, "key_share"},
-    {TLSEXT_TYPE_psk, "psk"},
-    {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
     {TLSEXT_TYPE_supported_groups, "supported_groups"},
     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
     {TLSEXT_TYPE_srp, "srp"},
     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
     {TLSEXT_TYPE_use_srtp, "use_srtp"},
-    {TLSEXT_TYPE_session_ticket, "session_ticket"},
-    {TLSEXT_TYPE_supported_versions, "supported_versions"},
-    {TLSEXT_TYPE_renegotiate, "renegotiate"},
-# ifndef OPENSSL_NO_NEXTPROTONEG
-    {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
-# endif
+    {TLSEXT_TYPE_heartbeat, "tls_heartbeat"},
     {TLSEXT_TYPE_application_layer_protocol_negotiation,
      "application_layer_protocol_negotiation"},
     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
     {TLSEXT_TYPE_padding, "padding"},
     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
-    {TLSEXT_TYPE_early_data, "early_data"}
+    {TLSEXT_TYPE_session_ticket, "session_ticket"},
+    {TLSEXT_TYPE_psk, "psk"},
+    {TLSEXT_TYPE_early_data, "early_data"},
+    {TLSEXT_TYPE_supported_versions, "supported_versions"},
+    {TLSEXT_TYPE_cookie, "cookie_ext"},
+    {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
+    {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
+    {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
+    {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
+    {TLSEXT_TYPE_key_share, "key_share"},
+    {TLSEXT_TYPE_renegotiate, "renegotiate"},
+# ifndef OPENSSL_NO_NEXTPROTONEG
+    {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
+# endif
 };
 
-static ssl_trace_tbl ssl_groups_tbl[] = {
+static const ssl_trace_tbl ssl_groups_tbl[] = {
     {1, "sect163k1 (K-163)"},
     {2, "sect163r1"},
     {3, "sect163r2 (B-163)"},
@@ -514,6 +525,7 @@ static ssl_trace_tbl ssl_groups_tbl[] = {
     {27, "brainpoolP384r1"},
     {28, "brainpoolP512r1"},
     {29, "ecdh_x25519"},
+    {30, "ecdh_x448"},
     {256, "ffdhe2048"},
     {257, "ffdhe3072"},
     {258, "ffdhe4096"},
@@ -523,22 +535,34 @@ static ssl_trace_tbl ssl_groups_tbl[] = {
     {0xFF02, "arbitrary_explicit_char2_curves"}
 };
 
-static ssl_trace_tbl ssl_point_tbl[] = {
+static const ssl_trace_tbl ssl_point_tbl[] = {
     {0, "uncompressed"},
     {1, "ansiX962_compressed_prime"},
     {2, "ansiX962_compressed_char2"}
 };
 
-static ssl_trace_tbl ssl_sigalg_tbl[] = {
+static const ssl_trace_tbl ssl_mfl_tbl[] = {
+    {0, "disabled"},
+    {1, "max_fragment_length := 2^9 (512 bytes)"},
+    {2, "max_fragment_length := 2^10 (1024 bytes)"},
+    {3, "max_fragment_length := 2^11 (2048 bytes)"},
+    {4, "max_fragment_length := 2^12 (4096 bytes)"}
+};
+
+static const ssl_trace_tbl ssl_sigalg_tbl[] = {
     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
     {TLSEXT_SIGALG_ed25519, "ed25519"},
+    {TLSEXT_SIGALG_ed448, "ed448"},
     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
-    {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
-    {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
-    {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
+    {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
+    {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
+    {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
+    {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
+    {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
+    {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
@@ -554,7 +578,7 @@ static ssl_trace_tbl ssl_sigalg_tbl[] = {
     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 };
 
-static ssl_trace_tbl ssl_ctype_tbl[] = {
+static const ssl_trace_tbl ssl_ctype_tbl[] = {
     {1, "rsa_sign"},
     {2, "dss_sign"},
     {3, "rsa_fixed_dh"},
@@ -567,12 +591,12 @@ static ssl_trace_tbl ssl_ctype_tbl[] = {
     {66, "ecdsa_fixed_ecdh"}
 };
 
-static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
+static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
     {TLSEXT_KEX_MODE_KE, "psk_ke"},
     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 };
 
-static ssl_trace_tbl ssl_key_update_tbl[] = {
+static const ssl_trace_tbl ssl_key_update_tbl[] = {
     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 };
@@ -589,8 +613,7 @@ static void ssl_print_hex(BIO *bio, int indent, const char *name,
     BIO_puts(bio, "\n");
 }
 
-static int ssl_print_hexbuf(BIO *bio, int indent,
-                            const char *name, size_t nlen,
+static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
                             const unsigned char **pmsg, size_t *pmsglen)
 {
     size_t blen;
@@ -621,7 +644,15 @@ static int ssl_print_version(BIO *bio, int indent, const char *name,
     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
     if (version != NULL) {
         /* TODO(TLS1.3): Remove the draft conditional here before release */
-        *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
+        switch(vers) {
+        case TLS1_3_VERSION_DRAFT_26:
+        case TLS1_3_VERSION_DRAFT_27:
+        case TLS1_3_VERSION_DRAFT:
+            *version = TLS1_3_VERSION;
+            break;
+        default:
+            *version = vers;
+        }
     }
     BIO_indent(bio, indent, 80);
     BIO_printf(bio, "%s=0x%x (%s)\n",
@@ -651,12 +682,12 @@ static int ssl_print_random(BIO *bio, int indent,
     return 1;
 }
 
-static int ssl_print_signature(BIO *bio, int indent, SSL *s,
+static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
                                const unsigned char **pmsg, size_t *pmsglen)
 {
     if (*pmsglen < 2)
         return 0;
-    if (SSL_USE_SIGALGS(s)) {
+    if (SSL_USE_SIGALGS(ssl)) {
         const unsigned char *p = *pmsg;
         unsigned int sigalg = (p[0] << 8) | p[1];
 
@@ -681,6 +712,12 @@ static int ssl_print_extension(BIO *bio, int indent, int server,
     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
     switch (extype) {
+    case TLSEXT_TYPE_max_fragment_length:
+        if (extlen < 1)
+            return 0;
+        xlen = extlen;
+        return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
+
     case TLSEXT_TYPE_ec_point_formats:
         if (extlen < 1)
             return 0;
@@ -706,7 +743,7 @@ static int ssl_print_extension(BIO *bio, int indent, int server,
         while (xlen > 0) {
             size_t plen = *ext++;
 
-            if (plen > xlen + 1)
+            if (plen + 1 > xlen)
                 return 0;
             BIO_indent(bio, indent + 2, 80);
             BIO_write(bio, ext, plen);
@@ -769,11 +806,10 @@ static int ssl_print_extension(BIO *bio, int indent, int server,
         break;
 
     case TLSEXT_TYPE_key_share:
-        if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
+        if (server && extlen == 2) {
             int group_id;
 
-            if (extlen != 2)
-                return 0;
+            /* We assume this is an HRR, otherwise this is an invalid key_share */
             group_id = (ext[0] << 8) | ext[1];
             BIO_indent(bio, indent + 4, 80);
             BIO_printf(bio, "NamedGroup: %s (%d)\n",
@@ -809,6 +845,17 @@ static int ssl_print_extension(BIO *bio, int indent, int server,
         break;
 
     case TLSEXT_TYPE_supported_versions:
+        if (server) {
+            int version;
+
+            if (extlen != 2)
+                return 0;
+            version = (ext[0] << 8) | ext[1];
+            BIO_indent(bio, indent + 4, 80);
+            BIO_printf(bio, "%s (%d)\n",
+                       ssl_trace_str(version, ssl_version_tbl), version);
+            break;
+        }
         if (extlen < 1)
             return 0;
         xlen = ext[0];
@@ -855,6 +902,8 @@ static int ssl_print_extensions(BIO *bio, int indent, int server,
         BIO_puts(bio, "No Extensions\n");
         return 1;
     }
+    if (msglen < 2)
+        return 0;
     extslen = (msg[0] << 8) | msg[1];
     if (extslen != msglen - 2)
         return 0;
@@ -868,8 +917,12 @@ static int ssl_print_extensions(BIO *bio, int indent, int server,
             return 0;
         extype = (msg[0] << 8) | msg[1];
         extlen = (msg[2] << 8) | msg[3];
-        if (msglen < extlen + 4)
+        if (msglen < extlen + 4) {
+            BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
+                       (int)extlen);
+            BIO_dump_indent(bio, (const char *)msg, msglen, indent + 2);
             return 0;
+        }
         msg += 4;
         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
                                  extlen))
@@ -883,7 +936,7 @@ static int ssl_print_extensions(BIO *bio, int indent, int server,
     return 1;
 }
 
-static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
+static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
                                   const unsigned char *msg, size_t msglen)
 {
     size_t len;
@@ -986,30 +1039,7 @@ static int ssl_print_server_hello(BIO *bio, int indent,
     return 1;
 }
 
-static int ssl_print_hello_retry_request(BIO *bio, int indent,
-                                         const unsigned char *msg,
-                                         size_t msglen)
-{
-    unsigned int cs;
-
-    if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
-        return 0;
-
-    cs = (msg[0] << 8) | msg[1];
-    BIO_indent(bio, indent, 80);
-    BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
-               msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
-    msg += 2;
-    msglen -= 2;
-
-    if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_HELLO_RETRY_REQUEST, &msg,
-                              &msglen))
-        return 0;
-
-    return 1;
-}
-
-static int ssl_get_keyex(const char **pname, SSL *ssl)
+static int ssl_get_keyex(const char **pname, const SSL *ssl)
 {
     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 
@@ -1053,7 +1083,7 @@ static int ssl_get_keyex(const char **pname, SSL *ssl)
     return 0;
 }
 
-static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
+static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
                                   const unsigned char *msg, size_t msglen)
 {
     const char *algname;
@@ -1072,10 +1102,10 @@ static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
     case SSL_kRSAPSK:
         if (TLS1_get_version(ssl) == SSL3_VERSION) {
             ssl_print_hex(bio, indent + 2,
-                          "EncyptedPreMasterSecret", msg, msglen);
+                          "EncryptedPreMasterSecret", msg, msglen);
         } else {
             if (!ssl_print_hexbuf(bio, indent + 2,
-                                  "EncyptedPreMasterSecret", 2, &msg, &msglen))
+                                  "EncryptedPreMasterSecret", 2, &msg, &msglen))
                 return 0;
         }
         break;
@@ -1097,7 +1127,7 @@ static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
     return !msglen;
 }
 
-static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
+static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
                                   const unsigned char *msg, size_t msglen)
 {
     const char *algname;
@@ -1202,12 +1232,13 @@ static int ssl_print_certificate(BIO *bio, int indent,
     return 1;
 }
 
-static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
-                                  const unsigned char *msg, size_t msglen)
+static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
+                                  int indent, const unsigned char *msg,
+                                  size_t msglen)
 {
     size_t clen;
 
-    if (SSL_IS_TLS13(s)
+    if (SSL_IS_TLS13(ssl)
             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
         return 0;
 
@@ -1230,15 +1261,19 @@ static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
     return 1;
 }
 
-static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
+static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
                                   const unsigned char *msg, size_t msglen)
 {
     size_t xlen;
     unsigned int sigalg;
 
-    if (SSL_IS_TLS13(s)) {
+    if (SSL_IS_TLS13(ssl)) {
         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
             return 0;
+        if (!ssl_print_extensions(bio, indent, 1,
+                                  SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
+            return 0;
+        return 1;
     } else {
         if (msglen < 1)
             return 0;
@@ -1253,7 +1288,7 @@ static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
         msg += xlen;
         msglen -= xlen + 1;
     }
-    if (SSL_USE_SIGALGS(s)) {
+    if (SSL_USE_SIGALGS(ssl)) {
         if (msglen < 2)
             return 0;
         xlen = (msg[0] << 8) | msg[1];
@@ -1274,6 +1309,8 @@ static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
         msg += xlen;
     }
 
+    if (msglen < 2)
+        return 0;
     xlen = (msg[0] << 8) | msg[1];
     BIO_indent(bio, indent, 80);
     if (msglen < xlen + 2)
@@ -1305,15 +1342,15 @@ static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
         xlen -= dlen + 2;
         msg += dlen;
     }
-    if (SSL_IS_TLS13(s)) {
-         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
-                               &msg, &msglen))
-        return 0;
+    if (SSL_IS_TLS13(ssl)) {
+        if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
+                              &msg, &msglen))
+            return 0;
     }
     return msglen == 0;
 }
 
-static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
+static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
                             const unsigned char *msg, size_t msglen)
 {
     unsigned int tick_life;
@@ -1330,13 +1367,13 @@ static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
     msg += 4;
     BIO_indent(bio, indent + 2, 80);
     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
-    if (SSL_IS_TLS13(s)) {
+    if (SSL_IS_TLS13(ssl)) {
         unsigned int ticket_age_add;
 
         if (msglen < 4)
             return 0;
-        ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
-                          | msg[3];
+        ticket_age_add =
+            (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
         msglen -= 4;
         msg += 4;
         BIO_indent(bio, indent + 2, 80);
@@ -1347,16 +1384,16 @@ static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
     }
     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
         return 0;
-    if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
-                                                 SSL3_MT_NEWSESSION_TICKET,
-                                                 &msg, &msglen))
+    if (SSL_IS_TLS13(ssl)
+            && !ssl_print_extensions(bio, indent + 2, 0,
+                                     SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
         return 0;
     if (msglen)
         return 0;
     return 1;
 }
 
-static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
+static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
                                const unsigned char *msg, size_t msglen,
                                int indent)
 {
@@ -1441,11 +1478,6 @@ static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
             return 0;
         break;
 
-    case SSL3_MT_HELLO_RETRY_REQUEST:
-        if (!ssl_print_hello_retry_request(bio, indent + 2, msg, msglen))
-            return 0;
-        break;
-
     case SSL3_MT_ENCRYPTED_EXTENSIONS:
         if (!ssl_print_extensions(bio, indent + 2, 1,
                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
@@ -1470,11 +1502,6 @@ static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
     return 1;
 }
 
-const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
-{
-    return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
-}
-
 void SSL_trace(int write_p, int version, int content_type,
                const void *buf, size_t msglen, SSL *ssl, void *arg)
 {
@@ -1484,7 +1511,16 @@ void SSL_trace(int write_p, int version, int content_type,
     switch (content_type) {
     case SSL3_RT_HEADER:
         {
-            int hvers = msg[1] << 8 | msg[2];
+            int hvers;
+
+            /* avoid overlapping with length at the end of buffer */
+            if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
+                     DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
+                BIO_puts(bio, write_p ? "Sent" : "Received");
+                ssl_print_hex(bio, 0, " too short message", msg, msglen);
+                break;
+            }
+            hvers = msg[1] << 8 | msg[2];
             BIO_puts(bio, write_p ? "Sent" : "Received");
             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
                        ssl_trace_str(hvers, ssl_version_tbl), hvers);