Disable compression for DTLS.

[openssl.git] / ssl / s3_lib.c

diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index 0147e413ffff0a1eb1b9257cc5f95deb9a54cea3..b92d879f3d70543c3b1fa1961a4d25e214499d82 100644 (file)
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -2011,6 +2011,22 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        256,
        256,
        },
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+       {
+       1,
+       "SCSV",
+       SSL3_CK_SCSV,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0
+       },
+#endif
 
 #ifndef OPENSSL_NO_ECDH
        /* Cipher C001 */
@@ -2902,6 +2918,10 @@ SSL3_ENC_METHOD SSLv3_enc_data={
        (int (*)(SSL *, unsigned char *, size_t, const char *,
                 size_t, const unsigned char *, size_t,
                 int use_context))ssl_undefined_function,
+       0,
+       SSL3_HM_HEADER_LENGTH,
+       ssl3_set_handshake_header,
+       ssl3_handshake_write
        };
 
 long ssl3_default_timeout(void)
@@ -2932,6 +2952,20 @@ int ssl3_pending(const SSL *s)
        return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
        }
 
+void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len)
+       {
+       unsigned char *p = (unsigned char *)s->init_buf->data;
+       *(p++) = htype;
+       l2n3(len, p);
+       s->init_num = (int)len + SSL3_HM_HEADER_LENGTH;
+       s->init_off = 0;
+       }
+
+int ssl3_handshake_write(SSL *s)
+       {
+       return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
+       }
+
 int ssl3_new(SSL *s)
        {
        SSL3_STATE *s3;
@@ -3458,6 +3492,72 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
        case SSL_CTRL_SET_CHAIN_CERT_STORE:
                return ssl_cert_set_cert_store(s->cert, parg, 1, larg);
 
+       case SSL_CTRL_GET_PEER_SIGNATURE_NID:
+               if (TLS1_get_version(s) >= TLS1_2_VERSION)
+                       {
+                       if (s->session && s->session->sess_cert)
+                               {
+                               const EVP_MD *sig;
+                               sig = s->session->sess_cert->peer_key->digest;
+                               if (sig)
+                                       {
+                                       *(int *)parg = EVP_MD_type(sig);
+                                       return 1;
+                                       }
+                               }
+                       return 0;
+                       }
+               /* Might want to do something here for other versions */
+               else
+                       return 0;
+
+       case SSL_CTRL_GET_SERVER_TMP_KEY:
+               if (s->server || !s->session || !s->session->sess_cert)
+                       return 0;
+               else
+                       {
+                       SESS_CERT *sc;
+                       EVP_PKEY *ptmp;
+                       int rv = 0;
+                       sc = s->session->sess_cert;
+                       if (!sc->peer_rsa_tmp && !sc->peer_dh_tmp
+                                                       && !sc->peer_ecdh_tmp)
+                               return 0;
+                       ptmp = EVP_PKEY_new();
+                       if (!ptmp)
+                               return 0;
+                       if (0);
+#ifndef OPENSSL_NO_RSA
+                       else if (sc->peer_rsa_tmp)
+                               rv = EVP_PKEY_set1_RSA(ptmp, sc->peer_rsa_tmp);
+#endif
+#ifndef OPENSSL_NO_DH
+                       else if (sc->peer_dh_tmp)
+                               rv = EVP_PKEY_set1_DH(ptmp, sc->peer_dh_tmp);
+#endif
+#ifndef OPENSSL_NO_ECDH
+                       else if (sc->peer_ecdh_tmp)
+                               rv = EVP_PKEY_set1_EC_KEY(ptmp, sc->peer_ecdh_tmp);
+#endif
+                       if (rv)
+                               {
+                               *(EVP_PKEY **)parg = ptmp;
+                               return 1;
+                               }
+                       EVP_PKEY_free(ptmp);
+                       return 0;
+                       }
+
+       case SSL_CTRL_GET_EC_POINT_FORMATS:
+               {
+               SSL_SESSION *sess = s->session;
+               const unsigned char **pformat = parg;
+               if (!sess || !sess->tlsext_ecpointformatlist)
+                       return 0;
+               *pformat = sess->tlsext_ecpointformatlist;
+               return (int)sess->tlsext_ecpointformatlist_length;
+               }
+
        default:
                break;
                }
@@ -3909,10 +4009,7 @@ const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
 #ifdef DEBUG_PRINT_UNKNOWN_CIPHERSUITES
 if (cp == NULL) fprintf(stderr, "Unknown cipher ID %x\n", (p[0] << 8) | p[1]);
 #endif
-       if (cp == NULL || cp->valid == 0)
-               return NULL;
-       else
-               return cp;
+       return cp;
        }
 
 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
@@ -4361,15 +4458,15 @@ need to go to SSL_ST_ACCEPT.
                }
        return(ret);
        }
-/* If we are using TLS v1.2 or later and default SHA1+MD5 algorithms switch
- * to new SHA256 PRF and handshake macs
+/* If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF
+ * and handshake macs if required.
  */
 long ssl_get_algorithm2(SSL *s)
        {
        long alg2 = s->s3->tmp.new_cipher->algorithm2;
-       if (TLS1_get_version(s) >= TLS1_2_VERSION &&
-           alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
+       if (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF
+           && alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
                return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
        return alg2;
        }
-               
+