Merge branch 'feature/establish-an-upstream-relationship-with-ics-openvpn-codebase-#5381' into develop

1 files changed, 273 insertions, 50 deletions

diff --git a/app/openssl/ssl/ssl_lib.c b/app/openssl/ssl/ssl_lib.c
index b169ba93..8d2c3a76 100644
--- a/app/openssl/ssl/ssl_lib.c
+++ b/app/openssl/ssl/ssl_lib.c
@@ -176,7 +176,10 @@ SSL3_ENC_METHOD ssl3_undef_enc_method={
 	0,	/* client_finished_label_len */
 	NULL,	/* server_finished_label */
 	0,	/* server_finished_label_len */
-	(int (*)(int))ssl_undefined_function
+	(int (*)(int))ssl_undefined_function,
+	(int (*)(SSL *, unsigned char *, size_t, const char *,
+		 size_t, const unsigned char *, size_t,
+		 int use_context)) ssl_undefined_function,
 	};
 
 int SSL_clear(SSL *s)
@@ -202,9 +205,9 @@ int SSL_clear(SSL *s)
        * needed because SSL_clear is not called when doing renegotiation) */
 	/* This is set if we are doing dynamic renegotiation so keep
 	 * the old cipher.  It is sort of a SSL_clear_lite :-) */
-	if (s->new_session) return(1);
+	if (s->renegotiate) return(1);
 #else
-	if (s->new_session)
+	if (s->renegotiate)
 		{
 		SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
 		return 0;
@@ -357,6 +360,17 @@ SSL *SSL_new(SSL_CTX *ctx)
 # ifndef OPENSSL_NO_NEXTPROTONEG
 	s->next_proto_negotiated = NULL;
 # endif
+
+	if (s->ctx->alpn_client_proto_list)
+		{
+		s->alpn_client_proto_list =
+			OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);
+		if (s->alpn_client_proto_list == NULL)
+			goto err;
+		memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,
+		       s->ctx->alpn_client_proto_list_len);
+		s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;
+		}
 #endif
 
 	s->verify_result=X509_V_OK;
@@ -374,6 +388,13 @@ SSL *SSL_new(SSL_CTX *ctx)
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
 
 #ifndef OPENSSL_NO_PSK
+	s->psk_identity_hint = NULL;
+	if (ctx->psk_identity_hint)
+		{
+		s->psk_identity_hint = BUF_strdup(ctx->psk_identity_hint);
+		if (s->psk_identity_hint == NULL)
+			goto err;
+		}
 	s->psk_client_callback=ctx->psk_client_callback;
 	s->psk_server_callback=ctx->psk_server_callback;
 #endif
@@ -576,6 +597,15 @@ void SSL_free(SSL *s)
 		sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
 	if (s->tlsext_ocsp_resp)
 		OPENSSL_free(s->tlsext_ocsp_resp);
+	if (s->tlsext_channel_id_private)
+		EVP_PKEY_free(s->tlsext_channel_id_private);
+	if (s->alpn_client_proto_list)
+		OPENSSL_free(s->alpn_client_proto_list);
+#endif
+
+#ifndef OPENSSL_NO_PSK
+	if (s->psk_identity_hint)
+		OPENSSL_free(s->psk_identity_hint);
 #endif
 
 	if (s->client_CA != NULL)
@@ -595,6 +625,11 @@ void SSL_free(SSL *s)
 		OPENSSL_free(s->next_proto_negotiated);
 #endif
 
+#ifndef OPENSSL_NO_SRTP
+        if (s->srtp_profiles)
+            sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
+#endif
+
 	OPENSSL_free(s);
 	}
 
@@ -1017,10 +1052,21 @@ int SSL_shutdown(SSL *s)
 
 int SSL_renegotiate(SSL *s)
 	{
-	if (s->new_session == 0)
-		{
-		s->new_session=1;
-		}
+	if (s->renegotiate == 0)
+		s->renegotiate=1;
+
+	s->new_session=1;
+
+	return(s->method->ssl_renegotiate(s));
+	}
+
+int SSL_renegotiate_abbreviated(SSL *s)
+	{
+	if (s->renegotiate == 0)
+		s->renegotiate=1;
+
+	s->new_session=0;
+
 	return(s->method->ssl_renegotiate(s));
 	}
 
@@ -1028,7 +1074,7 @@ int SSL_renegotiate_pending(SSL *s)
 	{
 	/* becomes true when negotiation is requested;
 	 * false again once a handshake has finished */
-	return (s->new_session != 0);
+	return (s->renegotiate != 0);
 	}
 
 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
@@ -1063,6 +1109,11 @@ long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
 		s->max_cert_list=larg;
 		return(l);
 	case SSL_CTRL_SET_MTU:
+#ifndef OPENSSL_NO_DTLS1
+		if (larg < (long)dtls1_min_mtu())
+			return 0;
+#endif
+
 		if (SSL_version(s) == DTLS1_VERSION ||
 		    SSL_version(s) == DTLS1_BAD_VER)
 			{
@@ -1390,6 +1441,10 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
 		{
 		c=sk_SSL_CIPHER_value(sk,i);
+		/* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
+		if ((c->algorithm_ssl & SSL_TLSV1_2) && 
+			(TLS1_get_client_version(s) < TLS1_2_VERSION))
+			continue;
 #ifndef OPENSSL_NO_KRB5
 		if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
 		    nokrb5)
@@ -1397,7 +1452,7 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
 #endif /* OPENSSL_NO_KRB5 */
 #ifndef OPENSSL_NO_PSK
 		/* with PSK there must be client callback set */
-		if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) &&
+		if ((c->algorithm_auth & SSL_aPSK) &&
 		    s->psk_client_callback == NULL)
 			continue;
 #endif /* OPENSSL_NO_PSK */
@@ -1407,7 +1462,7 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
 	/* If p == q, no ciphers and caller indicates an error. Otherwise
 	 * add SCSV if not renegotiating.
 	 */
-	if (p != q && !s->new_session)
+	if (p != q && !s->renegotiate)
 		{
 		static SSL_CIPHER scsv =
 			{
@@ -1454,7 +1509,7 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
 			(p[n-1] == (SSL3_CK_SCSV & 0xff)))
 			{
 			/* SCSV fatal if renegotiating */
-			if (s->new_session)
+			if (s->renegotiate)
 				{
 				SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
 				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); 
@@ -1627,10 +1682,93 @@ void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned
 	ctx->next_proto_select_cb = cb;
 	ctx->next_proto_select_cb_arg = arg;
 	}
-
 # endif
+
+/* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char* protos,
+			    unsigned protos_len)
+	{
+	if (ctx->alpn_client_proto_list)
+		OPENSSL_free(ctx->alpn_client_proto_list);
+
+	ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+	if (!ctx->alpn_client_proto_list)
+		return 1;
+	memcpy(ctx->alpn_client_proto_list, protos, protos_len);
+	ctx->alpn_client_proto_list_len = protos_len;
+
+	return 0;
+	}
+
+/* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_set_alpn_protos(SSL *ssl, const unsigned char* protos,
+			unsigned protos_len)
+	{
+	if (ssl->alpn_client_proto_list)
+		OPENSSL_free(ssl->alpn_client_proto_list);
+
+	ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+	if (!ssl->alpn_client_proto_list)
+		return 1;
+	memcpy(ssl->alpn_client_proto_list, protos, protos_len);
+	ssl->alpn_client_proto_list_len = protos_len;
+
+	return 0;
+	}
+
+/* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called
+ * during ClientHello processing in order to select an ALPN protocol from the
+ * client's list of offered protocols. */
+void SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
+				int (*cb) (SSL *ssl,
+					   const unsigned char **out,
+					   unsigned char *outlen,
+					   const unsigned char *in,
+					   unsigned int inlen,
+					   void *arg),
+				void *arg)
+	{
+	ctx->alpn_select_cb = cb;
+	ctx->alpn_select_cb_arg = arg;
+	}
+
+/* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
+ * On return it sets |*data| to point to |*len| bytes of protocol name (not
+ * including the leading length-prefix byte). If the server didn't respond with
+ * a negotiated protocol then |*len| will be zero. */
+void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
+			    unsigned *len)
+	{
+	*data = NULL;
+	if (ssl->s3)
+		*data = ssl->s3->alpn_selected;
+	if (*data == NULL)
+		*len = 0;
+	else
+		*len = ssl->s3->alpn_selected_len;
+	}
 #endif
 
+int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+	const char *label, size_t llen, const unsigned char *p, size_t plen,
+	int use_context)
+	{
+	if (s->version < TLS1_VERSION)
+		return -1;
+
+	return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
+							   llen, p, plen,
+							   use_context);
+	}
+
 static unsigned long ssl_session_hash(const SSL_SESSION *a)
 	{
 	unsigned long l;
@@ -1674,6 +1812,14 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 		return(NULL);
 		}
 
+#ifdef OPENSSL_FIPS
+	if (FIPS_mode() && (meth->version < TLS1_VERSION))	
+		{
+		SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
+		return NULL;
+		}
+#endif
+
 	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
 		{
 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
@@ -1777,7 +1923,9 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
 
 	ret->extra_certs=NULL;
-	ret->comp_methods=SSL_COMP_get_compression_methods();
+	/* No compression for DTLS */
+	if (meth->version != DTLS1_VERSION)
+		ret->comp_methods=SSL_COMP_get_compression_methods();
 
 	ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
 
@@ -1803,6 +1951,9 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 	ret->psk_client_callback=NULL;
 	ret->psk_server_callback=NULL;
 #endif
+#ifndef OPENSSL_NO_SRP
+	SSL_CTX_SRP_CTX_init(ret);
+#endif
 #ifndef OPENSSL_NO_BUF_FREELISTS
 	ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
 	ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
@@ -1931,10 +2082,18 @@ void SSL_CTX_free(SSL_CTX *a)
 	a->comp_methods = NULL;
 #endif
 
+#ifndef OPENSSL_NO_SRTP
+        if (a->srtp_profiles)
+                sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
+#endif
+
 #ifndef OPENSSL_NO_PSK
 	if (a->psk_identity_hint)
 		OPENSSL_free(a->psk_identity_hint);
 #endif
+#ifndef OPENSSL_NO_SRP
+	SSL_CTX_SRP_CTX_free(a);
+#endif
 #ifndef OPENSSL_NO_ENGINE
 	if (a->client_cert_engine)
 		ENGINE_finish(a->client_cert_engine);
@@ -1947,6 +2106,13 @@ void SSL_CTX_free(SSL_CTX *a)
 		ssl_buf_freelist_free(a->rbuf_freelist);
 #endif
 
+#ifndef OPENSSL_NO_TLSEXT
+	if (a->tlsext_channel_id_private)
+		EVP_PKEY_free(a->tlsext_channel_id_private);
+	if (a->alpn_client_proto_list != NULL)
+		OPENSSL_free(a->alpn_client_proto_list);
+#endif
+
 	OPENSSL_free(a);
 	}
 
@@ -2188,12 +2354,13 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
 
 #ifndef OPENSSL_NO_EC
 
-int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
+int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
 	{
 	unsigned long alg_k, alg_a;
 	EVP_PKEY *pkey = NULL;
 	int keysize = 0;
 	int signature_nid = 0, md_nid = 0, pk_nid = 0;
+	const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
 
 	alg_k = cs->algorithm_mkey;
 	alg_a = cs->algorithm_auth;
@@ -2223,7 +2390,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
 			SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
 			return 0;
 			}
-		if (alg_k & SSL_kECDHe)
+		if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
 			{
 			/* signature alg must be ECDSA */
 			if (pk_nid != NID_X9_62_id_ecPublicKey)
@@ -2232,7 +2399,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
 				return 0;
 				}
 			}
-		if (alg_k & SSL_kECDHr)
+		if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
 			{
 			/* signature alg must be RSA */
 
@@ -2259,7 +2426,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
 #endif
 
 /* THIS NEEDS CLEANING UP */
-X509 *ssl_get_server_send_cert(SSL *s)
+CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
 	{
 	unsigned long alg_k,alg_a;
 	CERT *c;
@@ -2314,15 +2481,23 @@ X509 *ssl_get_server_send_cert(SSL *s)
 		i=SSL_PKEY_GOST01;
 	else /* if (alg_a & SSL_aNULL) */
 		{
-		SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
+		SSLerr(SSL_F_SSL_GET_SERVER_SEND_PKEY,ERR_R_INTERNAL_ERROR);
 		return(NULL);
 		}
-	if (c->pkeys[i].x509 == NULL) return(NULL);
 
-	return(c->pkeys[i].x509);
+	return c->pkeys + i;
+	}
+
+X509 *ssl_get_server_send_cert(const SSL *s)
+	{
+	CERT_PKEY *cpk;
+	cpk = ssl_get_server_send_pkey(s);
+	if (!cpk)
+		return NULL;
+	return cpk->x509;
 	}
 
-EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher)
+EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
 	{
 	unsigned long alg_a;
 	CERT *c;
@@ -2330,26 +2505,37 @@ EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher)
 	alg_a = cipher->algorithm_auth;
 	c=s->cert;
 
+	/* SHA1 is the default for all signature algorithms up to TLS 1.2,
+	 * except RSA which is handled specially in s3_srvr.c */
+	if (pmd)
+		*pmd = EVP_sha1();
+
 	if ((alg_a & SSL_aDSS) &&
-		(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
-		return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
+	    (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
+		{
+		if (pmd && s->s3 && s->s3->digest_dsa)
+			*pmd = s->s3->digest_dsa;
+		return c->pkeys[SSL_PKEY_DSA_SIGN].privatekey;
+		}
 	else if (alg_a & SSL_aRSA)
 		{
+		if (pmd && s->s3 && s->s3->digest_rsa)
+			*pmd = s->s3->digest_rsa;
 		if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
-		else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
-		else
-			return(NULL);
+			return c->pkeys[SSL_PKEY_RSA_SIGN].privatekey;
+		if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
+			return c->pkeys[SSL_PKEY_RSA_ENC].privatekey;
 		}
 	else if ((alg_a & SSL_aECDSA) &&
 	         (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
-		return(c->pkeys[SSL_PKEY_ECC].privatekey);
-	else /* if (alg_a & SSL_aNULL) */
 		{
-		SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
-		return(NULL);
+		if (pmd && s->s3 && s->s3->digest_ecdsa)
+			*pmd = s->s3->digest_ecdsa;
+		return c->pkeys[SSL_PKEY_ECC].privatekey;
 		}
+
+	SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
+	return(NULL);
 	}
 
 void ssl_update_cache(SSL *s,int mode)
@@ -2574,7 +2760,11 @@ SSL_METHOD *ssl_bad_method(int ver)
 
 static const char *ssl_get_version(int version)
 	{
-	if (version == TLS1_VERSION)
+	if (version == TLS1_2_VERSION)
+		return("TLSv1.2");
+	else if (version == TLS1_1_VERSION)
+		return("TLSv1.1");
+	else if (version == TLS1_VERSION)
 		return("TLSv1");
 	else if (version == SSL3_VERSION)
 		return("SSLv3");
@@ -2602,12 +2792,8 @@ const char* SSL_authentication_method(const SSL* ssl)
 		{
 	case SSL2_VERSION:
 		return SSL_TXT_RSA;
-	case SSL3_VERSION:
-	case TLS1_VERSION:
-	case DTLS1_VERSION:
-		return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher);
 	default:
-		return "UNKNOWN";
+		return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher);
 		}
 	}
 
@@ -2695,6 +2881,7 @@ SSL *SSL_dup(SSL *s)
 	ret->in_handshake = s->in_handshake;
 	ret->handshake_func = s->handshake_func;
 	ret->server = s->server;
+	ret->renegotiate = s->renegotiate;
 	ret->new_session = s->new_session;
 	ret->quiet_shutdown = s->quiet_shutdown;
 	ret->shutdown=s->shutdown;
@@ -2960,6 +3147,11 @@ int SSL_state(const SSL *ssl)
 	return(ssl->state);
 	}
 
+void SSL_set_state(SSL *ssl, int state)
+	{
+	ssl->state = state;
+	}
+
 void SSL_set_verify_result(SSL *ssl,long arg)
 	{
 	ssl->verify_result=arg;
@@ -3123,32 +3315,54 @@ int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
 	if (s == NULL)
 		return 0;
 
-	if (s->session == NULL)
-		return 1; /* session not created yet, ignored */
-
 	if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
 		{
 		SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
 		return 0;
 		}
-	if (s->session->psk_identity_hint != NULL)
+
+	/* Clear hint in SSL and associated SSL_SESSION (if any). */
+	if (s->psk_identity_hint != NULL)
+		{
+		OPENSSL_free(s->psk_identity_hint);
+		s->psk_identity_hint = NULL;
+		}
+	if (s->session != NULL && s->session->psk_identity_hint != NULL)
+		{
 		OPENSSL_free(s->session->psk_identity_hint);
+		s->session->psk_identity_hint = NULL;
+		}
+
 	if (identity_hint != NULL)
 		{
-		s->session->psk_identity_hint = BUF_strdup(identity_hint);
-		if (s->session->psk_identity_hint == NULL)
-			return 0;
+		/* The hint is stored in SSL and SSL_SESSION with the one in
+		 * SSL_SESSION taking precedence. Thus, if SSL_SESSION is avaiable,
+		 * we store the hint there, otherwise we store it in SSL. */
+		if (s->session != NULL)
+			{
+			s->session->psk_identity_hint = BUF_strdup(identity_hint);
+			if (s->session->psk_identity_hint == NULL)
+				return 0;
+			}
+		else
+			{
+			s->psk_identity_hint = BUF_strdup(identity_hint);
+			if (s->psk_identity_hint == NULL)
+				return 0;
+			}
 		}
-	else
-		s->session->psk_identity_hint = NULL;
 	return 1;
 	}
 
 const char *SSL_get_psk_identity_hint(const SSL *s)
 	{
-	if (s == NULL || s->session == NULL)
+	if (s == NULL)
 		return NULL;
-	return(s->session->psk_identity_hint);
+	/* The hint is stored in SSL and SSL_SESSION with the one in SSL_SESSION
+	 * taking precedence. */
+	if (s->session != NULL)
+		return(s->session->psk_identity_hint);
+	return(s->psk_identity_hint);
 	}
 
 const char *SSL_get_psk_identity(const SSL *s)
@@ -3231,6 +3445,16 @@ void ssl_clear_hash_ctx(EVP_MD_CTX **hash)
 	*hash=NULL;
 }
 
+void SSL_set_debug(SSL *s, int debug)
+	{
+	s->debug = debug;
+	}
+
+int SSL_cache_hit(SSL *s)
+	{
+	return s->hit;
+	}
+
 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
 #include "../crypto/bio/bss_file.c"
 #endif
@@ -3239,4 +3463,3 @@ IMPLEMENT_STACK_OF(SSL_CIPHER)
 IMPLEMENT_STACK_OF(SSL_COMP)
 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
 				    ssl_cipher_id);
-