X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_lib.c;h=6ed9ca51c004ba08a8ee99dd34f50d53fb4433a4;hp=f59a45411e496106a5f8d10ebb4afe9f5caab69a;hb=d09677ac4525d107669447c07f4fa2fe58a13fc8;hpb=ee2ffc279417f15fef3b1073c7dc81a908991516;ds=sidebyside

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index f59a45411e..6ed9ca51c0 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -146,6 +146,7 @@
 #  include <assert.h>
 #endif
 #include <stdio.h>
+#include <openssl/crypto.h>
 #include "ssl_locl.h"
 #include "kssl_lcl.h"
 #include <openssl/objects.h>
@@ -202,9 +203,9 @@ 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;
@@ -319,6 +320,7 @@ SSL *SSL_new(SSL_CTX *ctx)
 	s->msg_callback=ctx->msg_callback;
 	s->msg_callback_arg=ctx->msg_callback_arg;
 	s->verify_mode=ctx->verify_mode;
+	s->not_resumable_session_cb=ctx->not_resumable_session_cb;
 #if 0
 	s->verify_depth=ctx->verify_depth;
 #endif
@@ -353,7 +355,7 @@ SSL *SSL_new(SSL_CTX *ctx)
 	s->tlsext_ocsp_resplen = -1;
 	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
 	s->initial_ctx=ctx;
-# ifndef OPENSSL_NO_NPN
+# ifndef OPENSSL_NO_NEXTPROTONEG
 	s->next_proto_negotiated = NULL;
 # endif
 #endif
@@ -589,7 +591,7 @@ void SSL_free(SSL *s)
 		kssl_ctx_free(s->kssl_ctx);
 #endif	/* OPENSSL_NO_KRB5 */
 
-#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NPN)
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
 	if (s->next_proto_negotiated)
 		OPENSSL_free(s->next_proto_negotiated);
 #endif
@@ -1016,18 +1018,29 @@ 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));
+}
+
 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)
@@ -1363,6 +1376,10 @@ 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_version(s) < TLS1_2_VERSION))
+			continue;
 #ifndef OPENSSL_NO_KRB5
 		if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
 		    nokrb5)
@@ -1380,7 +1397,7 @@ 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 =
 			{
@@ -1427,7 +1444,7 @@ 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); 
@@ -1485,7 +1502,7 @@ int SSL_get_servername_type(const SSL *s)
 	return -1;
 	}
 
-# ifndef OPENSSL_NO_NPN
+# ifndef OPENSSL_NO_NEXTPROTONEG
 /* SSL_select_next_proto implements the standard protocol selection. It is
  * expected that this function is called from the callback set by
  * SSL_CTX_set_next_proto_select_cb.
@@ -1647,6 +1664,14 @@ 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);
@@ -1766,7 +1791,7 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 	ret->tlsext_status_cb = 0;
 	ret->tlsext_status_arg = NULL;
 
-# ifndef OPENSSL_NO_NPN
+# ifndef OPENSSL_NO_NEXTPROTONEG
 	ret->next_protos_advertised_cb = 0;
 	ret->next_proto_select_cb = 0;
 # endif
@@ -1776,6 +1801,9 @@ 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));
@@ -1818,6 +1846,8 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
 	 * deployed might change this.
 	 */
 	ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
+	/* Disable TLS v1.2 by default for now */
+	ret->options |= SSL_OP_NO_TLSv1_2;
 
 	return(ret);
 err:
@@ -1908,6 +1938,9 @@ void SSL_CTX_free(SSL_CTX *a)
 	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);
@@ -2164,12 +2197,13 @@ 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;
+	const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
 
 	alg_k = cs->algorithm_mkey;
 	alg_a = cs->algorithm_auth;
@@ -2196,7 +2230,7 @@ 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 (signature_nid != NID_ecdsa_with_SHA1)
@@ -2205,7 +2239,7 @@ 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 */
 
@@ -2301,34 +2335,36 @@ X509 *ssl_get_server_send_cert(SSL *s)
 	return(c->pkeys[i].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;
+	int idx = -1;
 
 	alg_a = cipher->algorithm_auth;
 	c=s->cert;
 
 	if ((alg_a & SSL_aDSS) &&
 		(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
-		return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
+		idx = SSL_PKEY_DSA_SIGN;
 	else if (alg_a & SSL_aRSA)
 		{
 		if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
+			idx = SSL_PKEY_RSA_SIGN;
 		else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
-		else
-			return(NULL);
+			idx = SSL_PKEY_RSA_ENC;
 		}
 	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) */
+		idx = SSL_PKEY_ECC;
+	if (idx == -1)
 		{
 		SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
 		return(NULL);
 		}
+	if (pmd)
+		*pmd = c->pkeys[idx].digest;
+	return c->pkeys[idx].privatekey;
 	}
 
 void ssl_update_cache(SSL *s,int mode)
@@ -2553,10 +2589,12 @@ SSL_METHOD *ssl_bad_method(int ver)
 
 const char *SSL_get_version(const SSL *s)
 	{
-	if (s->version == TLS1_1_VERSION)
+	if (s->version == TLS1_2_VERSION)
+		return("TLSv1.2");
+	else if (s->version == TLS1_1_VERSION)
 		return("TLSv1.1");
-	else if (s->version == SSL3_VERSION)
-		return("SSLv3");
+	else if (s->version == TLS1_VERSION)
+		return("TLSv1");
 	else if (s->version == SSL3_VERSION)
 		return("SSLv3");
 	else if (s->version == SSL2_VERSION)
@@ -2649,6 +2687,7 @@ 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;
@@ -2914,6 +2953,11 @@ 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;
@@ -3152,6 +3196,19 @@ void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int con
 	SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
 	}
 
+void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
+	int (*cb)(SSL *ssl, int is_forward_secure))
+	{
+	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
+		(void (*)(void))cb);
+	}
+void SSL_set_not_resumable_session_callback(SSL *ssl,
+	int (*cb)(SSL *ssl, int is_forward_secure))
+	{
+	SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
+		(void (*)(void))cb);
+	}
+
 /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
  * vairable, freeing  EVP_MD_CTX previously stored in that variable, if
  * any. If EVP_MD pointer is passed, initializes ctx with this md
@@ -3172,6 +3229,16 @@ 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