More TLS extension related changes.
[openssl.git] / ssl / s3_lib.c
index c700ac637260f288233d314c68d72c3bad8b49dd..3b87222166d00e51934bc5206cb872cfa3a3ac79 100644 (file)
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -749,7 +749,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_RSA_WITH_AES_128_SHA,
        TLS1_CK_RSA_WITH_AES_128_SHA,
        SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -762,7 +762,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
        TLS1_CK_DH_DSS_WITH_AES_128_SHA,
        SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -775,7 +775,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
        TLS1_CK_DH_RSA_WITH_AES_128_SHA,
        SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -788,7 +788,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
        TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
        SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -801,7 +801,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
        TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
        SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -814,7 +814,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_ADH_WITH_AES_128_SHA,
        TLS1_CK_ADH_WITH_AES_128_SHA,
        SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
-       SSL_NOT_EXP|SSL_MEDIUM,
+       SSL_NOT_EXP|SSL_HIGH,
        0,
        128,
        128,
@@ -900,8 +900,9 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_ALL_CIPHERS,
        SSL_ALL_STRENGTHS,
        },
+
 #ifndef OPENSSL_NO_ECDH
-       /* Cipher 47 */
+       /* Cipher C001 */
            {
             1,
             TLS1_TXT_ECDH_ECDSA_WITH_NULL_SHA,
@@ -915,7 +916,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 48 */
+       /* Cipher C002 */
            {
             1,
             TLS1_TXT_ECDH_ECDSA_WITH_RC4_128_SHA,
@@ -929,21 +930,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 49 */
-           {
-            1,
-            TLS1_TXT_ECDH_ECDSA_WITH_DES_CBC_SHA,
-            TLS1_CK_ECDH_ECDSA_WITH_DES_CBC_SHA,
-            SSL_kECDH|SSL_aECDSA|SSL_DES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_LOW,
-            0,
-            56,
-            56,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-
-       /* Cipher 4A */
+       /* Cipher C003 */
            {
             1,
             TLS1_TXT_ECDH_ECDSA_WITH_DES_192_CBC3_SHA,
@@ -957,13 +944,13 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 4B */
+       /* Cipher C004 */
            {
             1,
             TLS1_TXT_ECDH_ECDSA_WITH_AES_128_CBC_SHA,
             TLS1_CK_ECDH_ECDSA_WITH_AES_128_CBC_SHA,
             SSL_kECDH|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_MEDIUM,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
             128,
             128,
@@ -971,7 +958,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 4C */
+       /* Cipher C005 */
            {
             1,
             TLS1_TXT_ECDH_ECDSA_WITH_AES_256_CBC_SHA,
@@ -985,12 +972,12 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 4D */
+       /* Cipher C006 */
            {
             1,
-            TLS1_TXT_ECDH_RSA_WITH_NULL_SHA,
-            TLS1_CK_ECDH_RSA_WITH_NULL_SHA,
-            SSL_kECDH|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1,
+            TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA,
+            TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA,
+            SSL_kECDHE|SSL_aECDSA|SSL_eNULL|SSL_SHA|SSL_TLSV1,
             SSL_NOT_EXP,
             0,
             0,
@@ -999,12 +986,12 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 4E */
+       /* Cipher C007 */
            {
             1,
-            TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA,
-            TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA,
-            SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
+            TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA,
+            TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA,
+            SSL_kECDHE|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
             SSL_NOT_EXP,
             0,
             128,
@@ -1013,21 +1000,77 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 4F */
+       /* Cipher C008 */
            {
             1,
-            TLS1_TXT_ECDH_RSA_WITH_DES_CBC_SHA,
-            TLS1_CK_ECDH_RSA_WITH_DES_CBC_SHA,
-            SSL_kECDH|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_LOW,
+            TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
+            TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
+            SSL_kECDHE|SSL_aECDSA|SSL_3DES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
-            56,
-            56,
+            168,
+            168,
             SSL_ALL_CIPHERS,
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 50 */
+       /* Cipher C009 */
+           {
+            1,
+            TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+            TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+            SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
+            0,
+            128,
+            128,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C00A */
+           {
+            1,
+            TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+            TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+            SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
+            0,
+            256,
+            256,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C00B */
+           {
+            1,
+            TLS1_TXT_ECDH_RSA_WITH_NULL_SHA,
+            TLS1_CK_ECDH_RSA_WITH_NULL_SHA,
+            SSL_kECDH|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP,
+            0,
+            0,
+            0,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C00C */
+           {
+            1,
+            TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA,
+            TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA,
+            SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP,
+            0,
+            128,
+            128,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C00D */
            {
             1,
             TLS1_TXT_ECDH_RSA_WITH_DES_192_CBC3_SHA,
@@ -1041,13 +1084,13 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 51 */
+       /* Cipher C00E */
            {
             1,
             TLS1_TXT_ECDH_RSA_WITH_AES_128_CBC_SHA,
             TLS1_CK_ECDH_RSA_WITH_AES_128_CBC_SHA,
             SSL_kECDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_MEDIUM,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
             128,
             128,
@@ -1055,7 +1098,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 52 */
+       /* Cipher C00F */
            {
             1,
             TLS1_TXT_ECDH_RSA_WITH_AES_256_CBC_SHA,
@@ -1069,35 +1112,77 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 53 */
+       /* Cipher C010 */
            {
             1,
-            TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_40_SHA,
-            TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_40_SHA,
-            SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP40,
+            TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA,
+            TLS1_CK_ECDHE_RSA_WITH_NULL_SHA,
+            SSL_kECDHE|SSL_aRSA|SSL_eNULL|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP,
+            0,
+            0,
+            0,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C011 */
+           {
+            1,
+            TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA,
+            TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA,
+            SSL_kECDHE|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP,
             0,
-            40,
+            128,
             128,
             SSL_ALL_CIPHERS,
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 54 */
+       /* Cipher C012 */
            {
             1,
-            TLS1_TXT_ECDH_RSA_EXPORT_WITH_RC4_56_SHA,
-            TLS1_CK_ECDH_RSA_EXPORT_WITH_RC4_56_SHA,
-            SSL_kECDH|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP56,
+            TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
+            TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
+            SSL_kECDHE|SSL_aRSA|SSL_3DES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
+            0,
+            168,
+            168,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C013 */
+           {
+            1,
+            TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+            TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+            SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
-            56,
+            128,
             128,
             SSL_ALL_CIPHERS,
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 55 */
+       /* Cipher C014 */
+           {
+            1,
+            TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+            TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+            SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
+            0,
+            256,
+            256,
+            SSL_ALL_CIPHERS,
+            SSL_ALL_STRENGTHS,
+            },
+
+       /* Cipher C015 */
             {
             1,
             TLS1_TXT_ECDH_anon_WITH_NULL_SHA,
@@ -1111,7 +1196,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
            },
 
-       /* Cipher 56 */
+       /* Cipher C016 */
             {
             1,
             TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA,
@@ -1125,21 +1210,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
            },
 
-       /* Cipher 57 */
-           {
-            1,
-            TLS1_TXT_ECDH_anon_WITH_DES_CBC_SHA,
-            TLS1_CK_ECDH_anon_WITH_DES_CBC_SHA,
-            SSL_kECDHE|SSL_aNULL|SSL_DES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_LOW,
-            0,
-            56,
-            56,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-
-       /* Cipher 58 */
+       /* Cipher C017 */
            {
             1,
             TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA,
@@ -1153,67 +1224,38 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 59 */
-           {
-            1,
-            TLS1_TXT_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA,
-            TLS1_CK_ECDH_anon_EXPORT_WITH_DES_40_CBC_SHA,
-            SSL_kECDHE|SSL_aNULL|SSL_DES|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP40,
-            0,
-            40,
-            56,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-
-       /* Cipher 5A */
+       /* Cipher C018 */
            {
             1,
-            TLS1_TXT_ECDH_anon_EXPORT_WITH_RC4_40_SHA,
-            TLS1_CK_ECDH_anon_EXPORT_WITH_RC4_40_SHA,
-            SSL_kECDHE|SSL_aNULL|SSL_RC4|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP40,
+            TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA,
+            TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA,
+            SSL_kECDHE|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
-            40,
             128,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-       /* Cipher 5B */
-       /* XXX NOTE: The ECC/TLS draft has a bug and reuses 4B for this */
-           {
-            1,
-            TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA,
-            TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_40_SHA,
-            SSL_kECDH|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP40,
-            0,
-            40,
             128,
             SSL_ALL_CIPHERS,
             SSL_ALL_STRENGTHS,
             },
 
-       /* Cipher 5C */
-       /* XXX NOTE: The ECC/TLS draft has a bug and reuses 4C for this */
+       /* Cipher C019 */
            {
             1,
-            TLS1_TXT_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA,
-            TLS1_CK_ECDH_ECDSA_EXPORT_WITH_RC4_56_SHA,
-            SSL_kECDH|SSL_aECDSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
-            SSL_EXPORT|SSL_EXP56,
+            TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA,
+            TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA,
+            SSL_kECDHE|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
+            SSL_NOT_EXP|SSL_HIGH,
             0,
-            56,
-            128,
+            256,
+            256,
             SSL_ALL_CIPHERS,
             SSL_ALL_STRENGTHS,
             },
-
 #endif /* OPENSSL_NO_ECDH */
 
 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
-       /* New TLS Export CipherSuites */
+       /* New TLS Export CipherSuites from expired ID */
+#if 0
        /* Cipher 60 */
            {
            1,
@@ -1240,6 +1282,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
            SSL_ALL_CIPHERS,
            SSL_ALL_STRENGTHS,
            },
+#endif
        /* Cipher 62 */
            {
            1,
@@ -1307,45 +1350,6 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
            },
 #endif
 
-#ifndef OPENSSL_NO_ECDH
-       /* Cipher 77 XXX: ECC ciphersuites offering forward secrecy
-        * are not yet specified in the ECC/TLS draft but our code
-        * allows them to be implemented very easily. To add such
-        * a cipher suite, one needs to add two constant definitions
-        * to tls1.h and a new structure in this file as shown below. We 
-        * illustrate the process for the made-up cipher
-        * ECDHE-ECDSA-AES128-SHA.
-        */
-           {
-            1,
-            TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
-            TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
-            SSL_kECDHE|SSL_aECDSA|SSL_AES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_MEDIUM,
-            0,
-            128,
-            128,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-
-       /* Cipher 78 XXX: Another made-up ECC cipher suite that
-        * offers forward secrecy (ECDHE-RSA-AES128-SHA).
-        */
-           {
-            1,
-            TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA,
-            TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA,
-            SSL_kECDHE|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
-            SSL_NOT_EXP|SSL_MEDIUM,
-            0,
-            128,
-            128,
-            SSL_ALL_CIPHERS,
-            SSL_ALL_STRENGTHS,
-            },
-#endif /* !OPENSSL_NO_ECDH */
-
 /* end of list */
        };
 
@@ -1639,6 +1643,36 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                }
                break;
 #endif /* !OPENSSL_NO_ECDH */
+#ifndef OPENSSL_NO_TLSEXT
+       case SSL_CTRL_SET_TLSEXT_HOSTNAME:
+               if (larg == TLSEXT_NAMETYPE_host_name)
+                       {
+                       if (s->tlsext_hostname != NULL) 
+                               OPENSSL_free(s->tlsext_hostname);
+                       s->tlsext_hostname = NULL;
+
+                       ret = 1;
+                       if (parg == NULL) 
+                               break;
+                       if (strlen((char *)parg) > TLSEXT_MAXLEN_host_name)
+                               {
+                               SSLerr(SSL_F_SSL3_CTRL, SSL_R_SSL3_EXT_INVALID_SERVERNAME);
+                               return 0;
+                               }
+                       if ((s->tlsext_hostname = BUF_strdup((char *)parg)) == NULL)
+                               {
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_INTERNAL_ERROR);
+                               return 0;
+                               }
+                       }
+               else
+                       {
+                       SSLerr(SSL_F_SSL3_CTRL, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE);
+                       return 0;
+                       }
+               s->options |= SSL_OP_NO_SSLv2; /* can't use extension w/ SSL 2.0 format */
+               break;
+#endif /* !OPENSSL_NO_TLSEXT */
        default:
                break;
                }
@@ -1823,6 +1857,11 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
                }
                break;
 #endif /* !OPENSSL_NO_ECDH */
+#ifndef OPENSSL_NO_TLSEXT
+       case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG:
+               ctx->tlsext_servername_arg=parg;
+               break;
+#endif /* !OPENSSL_NO_TLSEXT */
        /* A Thawte special :-) */
        case SSL_CTRL_EXTRA_CHAIN_CERT:
                if (ctx->extra_certs == NULL)
@@ -1867,6 +1906,11 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
                cert->ecdh_tmp_cb = (EC_KEY *(*)(SSL *, int, int))fp;
                }
                break;
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+       case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB:
+               ctx->tlsext_servername_callback=(int (*)(SSL *,int *,void *))fp;
+               break;
 #endif
        default:
                return(0);
@@ -1880,7 +1924,6 @@ SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
        {
        SSL_CIPHER c,*cp;
        unsigned long id;
-       unsigned int i;
 
        id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
        c.id=id;