Ensure all EVP calls have their returns checked where appropriate
[openssl.git] / ssl / ssl_locl.h
index 7666e5e984a7d9cb44c731af0f66195478711d08..f5d9df6bc0e6d4569b2efc2a37ca5b46c6ac8a49 100644 (file)
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -63,7 +63,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECC cipher suite support in OpenSSL originally developed by 
+ * ECC cipher suite support in OpenSSL originally developed by
  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
  */
 /* ====================================================================
  */
 
 #ifndef HEADER_SSL_LOCL_H
-#define HEADER_SSL_LOCL_H
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include <errno.h>
+# define HEADER_SSL_LOCL_H
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include <errno.h>
 
-#include "e_os.h"
+# include "e_os.h"
 
-#include <openssl/buffer.h>
-#ifndef OPENSSL_NO_COMP
-#include <openssl/comp.h>
-#endif
-#include <openssl/bio.h>
-#include <openssl/stack.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-#include <openssl/err.h>
-#include <openssl/ssl.h>
-#include <openssl/symhacks.h>
+# include <openssl/buffer.h>
+# ifndef OPENSSL_NO_COMP
+#  include <openssl/comp.h>
+# endif
+# include <openssl/bio.h>
+# include <openssl/stack.h>
+# ifndef OPENSSL_NO_RSA
+#  include <openssl/rsa.h>
+# endif
+# ifndef OPENSSL_NO_DSA
+#  include <openssl/dsa.h>
+# endif
+# include <openssl/err.h>
+# include <openssl/ssl.h>
+# include <openssl/symhacks.h>
 
-#ifdef OPENSSL_BUILD_SHLIBSSL
-# undef OPENSSL_EXTERN
-# define OPENSSL_EXTERN OPENSSL_EXPORT
-#endif
+# ifdef OPENSSL_BUILD_SHLIBSSL
+#  undef OPENSSL_EXTERN
+#  define OPENSSL_EXTERN OPENSSL_EXPORT
+# endif
 
-#undef PKCS1_CHECK
+# undef PKCS1_CHECK
 
-#define c2l(c,l)       (l = ((unsigned long)(*((c)++)))     , \
-                        l|=(((unsigned long)(*((c)++)))<< 8), \
-                        l|=(((unsigned long)(*((c)++)))<<16), \
-                        l|=(((unsigned long)(*((c)++)))<<24))
+# define c2l(c,l)        (l = ((unsigned long)(*((c)++)))     , \
+                         l|=(((unsigned long)(*((c)++)))<< 8), \
+                         l|=(((unsigned long)(*((c)++)))<<16), \
+                         l|=(((unsigned long)(*((c)++)))<<24))
 
 /* NOTE - c is not incremented as per c2l */
-#define c2ln(c,l1,l2,n)        { \
-                       c+=n; \
-                       l1=l2=0; \
-                       switch (n) { \
-                       case 8: l2 =((unsigned long)(*(--(c))))<<24; \
-                       case 7: l2|=((unsigned long)(*(--(c))))<<16; \
-                       case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
-                       case 5: l2|=((unsigned long)(*(--(c))));     \
-                       case 4: l1 =((unsigned long)(*(--(c))))<<24; \
-                       case 3: l1|=((unsigned long)(*(--(c))))<<16; \
-                       case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
-                       case 1: l1|=((unsigned long)(*(--(c))));     \
-                               } \
-                       }
-
-#define l2c(l,c)       (*((c)++)=(unsigned char)(((l)    )&0xff), \
-                        *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>16)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>24)&0xff))
-
-#define n2l(c,l)       (l =((unsigned long)(*((c)++)))<<24, \
-                        l|=((unsigned long)(*((c)++)))<<16, \
-                        l|=((unsigned long)(*((c)++)))<< 8, \
-                        l|=((unsigned long)(*((c)++))))
-
-#define l2n(l,c)       (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>16)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
-                        *((c)++)=(unsigned char)(((l)    )&0xff))
-
-#define l2n6(l,c)      (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>32)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>24)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>16)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
-                        *((c)++)=(unsigned char)(((l)    )&0xff))
-
-#define n2l6(c,l)      (l =((BN_ULLONG)(*((c)++)))<<40, \
-                        l|=((BN_ULLONG)(*((c)++)))<<32, \
-                        l|=((BN_ULLONG)(*((c)++)))<<24, \
-                        l|=((BN_ULLONG)(*((c)++)))<<16, \
-                        l|=((BN_ULLONG)(*((c)++)))<< 8, \
-                        l|=((BN_ULLONG)(*((c)++))))
+# define c2ln(c,l1,l2,n) { \
+                        c+=n; \
+                        l1=l2=0; \
+                        switch (n) { \
+                        case 8: l2 =((unsigned long)(*(--(c))))<<24; \
+                        case 7: l2|=((unsigned long)(*(--(c))))<<16; \
+                        case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
+                        case 5: l2|=((unsigned long)(*(--(c))));     \
+                        case 4: l1 =((unsigned long)(*(--(c))))<<24; \
+                        case 3: l1|=((unsigned long)(*(--(c))))<<16; \
+                        case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
+                        case 1: l1|=((unsigned long)(*(--(c))));     \
+                                } \
+                        }
+
+# define l2c(l,c)        (*((c)++)=(unsigned char)(((l)    )&0xff), \
+                         *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>24)&0xff))
+
+# define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24, \
+                         l|=((unsigned long)(*((c)++)))<<16, \
+                         l|=((unsigned long)(*((c)++)))<< 8, \
+                         l|=((unsigned long)(*((c)++))))
+
+# define l2n(l,c)        (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+                         *((c)++)=(unsigned char)(((l)    )&0xff))
+
+# define l2n6(l,c)       (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>32)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>24)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+                         *((c)++)=(unsigned char)(((l)    )&0xff))
+
+# define l2n8(l,c)       (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>48)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>40)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>32)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>24)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+                         *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+                         *((c)++)=(unsigned char)(((l)    )&0xff))
+
+# define n2l6(c,l)       (l =((BN_ULLONG)(*((c)++)))<<40, \
+                         l|=((BN_ULLONG)(*((c)++)))<<32, \
+                         l|=((BN_ULLONG)(*((c)++)))<<24, \
+                         l|=((BN_ULLONG)(*((c)++)))<<16, \
+                         l|=((BN_ULLONG)(*((c)++)))<< 8, \
+                         l|=((BN_ULLONG)(*((c)++))))
 
 /* NOTE - c is not incremented as per l2c */
-#define l2cn(l1,l2,c,n)        { \
-                       c+=n; \
-                       switch (n) { \
-                       case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
-                       case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
-                       case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
-                       case 5: *(--(c))=(unsigned char)(((l2)    )&0xff); \
-                       case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
-                       case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
-                       case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
-                       case 1: *(--(c))=(unsigned char)(((l1)    )&0xff); \
-                               } \
-                       }
-
-#define n2s(c,s)       ((s=(((unsigned int)(c[0]))<< 8)| \
-                           (((unsigned int)(c[1]))    )),c+=2)
-#define s2n(s,c)       ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
-                         c[1]=(unsigned char)(((s)    )&0xff)),c+=2)
-
-#define n2l3(c,l)      ((l =(((unsigned long)(c[0]))<<16)| \
-                            (((unsigned long)(c[1]))<< 8)| \
-                            (((unsigned long)(c[2]))    )),c+=3)
-
-#define l2n3(l,c)      ((c[0]=(unsigned char)(((l)>>16)&0xff), \
-                         c[1]=(unsigned char)(((l)>> 8)&0xff), \
-                         c[2]=(unsigned char)(((l)    )&0xff)),c+=3)
+# define l2cn(l1,l2,c,n) { \
+                        c+=n; \
+                        switch (n) { \
+                        case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
+                        case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
+                        case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
+                        case 5: *(--(c))=(unsigned char)(((l2)    )&0xff); \
+                        case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
+                        case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
+                        case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
+                        case 1: *(--(c))=(unsigned char)(((l1)    )&0xff); \
+                                } \
+                        }
+
+# define n2s(c,s)        ((s=(((unsigned int)(c[0]))<< 8)| \
+                            (((unsigned int)(c[1]))    )),c+=2)
+# define s2n(s,c)        ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
+                          c[1]=(unsigned char)(((s)    )&0xff)),c+=2)
+
+# define n2l3(c,l)       ((l =(((unsigned long)(c[0]))<<16)| \
+                             (((unsigned long)(c[1]))<< 8)| \
+                             (((unsigned long)(c[2]))    )),c+=3)
+
+# define l2n3(l,c)       ((c[0]=(unsigned char)(((l)>>16)&0xff), \
+                          c[1]=(unsigned char)(((l)>> 8)&0xff), \
+                          c[2]=(unsigned char)(((l)    )&0xff)),c+=3)
 
 /* LOCAL STUFF */
 
-#define SSL_DECRYPT    0
-#define SSL_ENCRYPT    1
+# define SSL_DECRYPT     0
+# define SSL_ENCRYPT     1
 
-#define TWO_BYTE_BIT   0x80
-#define SEC_ESC_BIT    0x40
-#define TWO_BYTE_MASK  0x7fff
-#define THREE_BYTE_MASK        0x3fff
+# define TWO_BYTE_BIT    0x80
+# define SEC_ESC_BIT     0x40
+# define TWO_BYTE_MASK   0x7fff
+# define THREE_BYTE_MASK 0x3fff
 
-#define INC32(a)       ((a)=((a)+1)&0xffffffffL)
-#define DEC32(a)       ((a)=((a)-1)&0xffffffffL)
-#define MAX_MAC_SIZE   20 /* up from 16 for SSLv3 */
+# define INC32(a)        ((a)=((a)+1)&0xffffffffL)
+# define DEC32(a)        ((a)=((a)-1)&0xffffffffL)
+# define MAX_MAC_SIZE    20     /* up from 16 for SSLv3 */
 
 /*
  * Define the Bitmasks for SSL_CIPHER.algorithms.
  */
 
 /* Bits for algorithm_mkey (key exchange algorithm) */
-#define SSL_kRSA               0x00000001L /* RSA key exchange */
-#define SSL_kDHr               0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */
-#define SSL_kDHd               0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */
-#define SSL_kEDH               0x00000008L /* tmp DH key no DH cert */
-#define SSL_kKRB5              0x00000010L /* Kerberos5 key exchange */
-#define SSL_kECDHr             0x00000020L /* ECDH cert, RSA CA cert */
-#define SSL_kECDHe             0x00000040L /* ECDH cert, ECDSA CA cert */
-#define SSL_kEECDH             0x00000080L /* ephemeral ECDH */
-#define SSL_kPSK               0x00000100L /* PSK */
-#define SSL_kGOST       0x00000200L /* GOST key exchange */
-#define SSL_kSRP        0x00000400L /* SRP */
+/* RSA key exchange */
+# define SSL_kRSA                0x00000001L
+/* DH cert, RSA CA cert */
+/* no such ciphersuites supported! */
+# define SSL_kDHr                0x00000002L
+/* DH cert, DSA CA cert */
+/* no such ciphersuite supported! */
+# define SSL_kDHd                0x00000004L
+/* tmp DH key no DH cert */
+# define SSL_kEDH                0x00000008L
+/* Kerberos5 key exchange */
+# define SSL_kKRB5               0x00000010L
+/* ECDH cert, RSA CA cert */
+# define SSL_kECDHr              0x00000020L
+/* ECDH cert, ECDSA CA cert */
+# define SSL_kECDHe              0x00000040L
+/* ephemeral ECDH */
+# define SSL_kEECDH              0x00000080L
+/* PSK */
+# define SSL_kPSK                0x00000100L
+/* GOST key exchange */
+# define SSL_kGOST       0x00000200L
+/* SRP */
+# define SSL_kSRP        0x00000400L
 
 /* Bits for algorithm_auth (server authentication) */
-#define SSL_aRSA               0x00000001L /* RSA auth */
-#define SSL_aDSS               0x00000002L /* DSS auth */
-#define SSL_aNULL              0x00000004L /* no auth (i.e. use ADH or AECDH) */
-#define SSL_aDH                0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */
-#define SSL_aECDH              0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
-#define SSL_aKRB5               0x00000020L /* KRB5 auth */
-#define SSL_aECDSA              0x00000040L /* ECDSA auth*/
-#define SSL_aPSK                0x00000080L /* PSK auth */
-#define SSL_aGOST94                            0x00000100L /* GOST R 34.10-94 signature auth */
-#define SSL_aGOST01                    0x00000200L /* GOST R 34.10-2001 signature auth */
-
+/* RSA auth */
+# define SSL_aRSA                0x00000001L
+/* DSS auth */
+# define SSL_aDSS                0x00000002L
+/* no auth (i.e. use ADH or AECDH) */
+# define SSL_aNULL               0x00000004L
+/* Fixed DH auth (kDHd or kDHr) */
+/* no such ciphersuites supported! */
+# define SSL_aDH                 0x00000008L
+/* Fixed ECDH auth (kECDHe or kECDHr) */
+# define SSL_aECDH               0x00000010L
+/* KRB5 auth */
+# define SSL_aKRB5               0x00000020L
+/* ECDSA auth*/
+# define SSL_aECDSA              0x00000040L
+/* PSK auth */
+# define SSL_aPSK                0x00000080L
+/* GOST R 34.10-94 signature auth */
+# define SSL_aGOST94                             0x00000100L
+/* GOST R 34.10-2001 signature auth */
+# define SSL_aGOST01                     0x00000200L
+/* SRP auth */
+# define SSL_aSRP                0x00000400L
 
 /* Bits for algorithm_enc (symmetric encryption) */
-#define SSL_DES                        0x00000001L
-#define SSL_3DES               0x00000002L
-#define SSL_RC4                        0x00000004L
-#define SSL_RC2                        0x00000008L
-#define SSL_IDEA               0x00000010L
-#define SSL_eNULL              0x00000020L
-#define SSL_AES128             0x00000040L
-#define SSL_AES256             0x00000080L
-#define SSL_CAMELLIA128                0x00000100L
-#define SSL_CAMELLIA256                0x00000200L
-#define SSL_eGOST2814789CNT    0x00000400L
-#define SSL_SEED               0x00000800L
-#define SSL_AES128GCM          0x00001000L
-#define SSL_AES256GCM          0x00002000L
-
-#define SSL_AES                        (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
-#define SSL_CAMELLIA           (SSL_CAMELLIA128|SSL_CAMELLIA256)
-
+# define SSL_DES                 0x00000001L
+# define SSL_3DES                0x00000002L
+# define SSL_RC4                 0x00000004L
+# define SSL_RC2                 0x00000008L
+# define SSL_IDEA                0x00000010L
+# define SSL_eNULL               0x00000020L
+# define SSL_AES128              0x00000040L
+# define SSL_AES256              0x00000080L
+# define SSL_CAMELLIA128         0x00000100L
+# define SSL_CAMELLIA256         0x00000200L
+# define SSL_eGOST2814789CNT     0x00000400L
+# define SSL_SEED                0x00000800L
+# define SSL_AES128GCM           0x00001000L
+# define SSL_AES256GCM           0x00002000L
+
+# define SSL_AES                 (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
+# define SSL_CAMELLIA            (SSL_CAMELLIA128|SSL_CAMELLIA256)
 
 /* Bits for algorithm_mac (symmetric authentication) */
 
-#define SSL_MD5                        0x00000001L
-#define SSL_SHA1               0x00000002L
-#define SSL_GOST94      0x00000004L
-#define SSL_GOST89MAC   0x00000008L
-#define SSL_SHA256             0x00000010L
-#define SSL_SHA384             0x00000020L
+# define SSL_MD5                 0x00000001L
+# define SSL_SHA1                0x00000002L
+# define SSL_GOST94      0x00000004L
+# define SSL_GOST89MAC   0x00000008L
+# define SSL_SHA256              0x00000010L
+# define SSL_SHA384              0x00000020L
 /* Not a real MAC, just an indication it is part of cipher */
-#define SSL_AEAD               0x00000040L
+# define SSL_AEAD                0x00000040L
 
 /* Bits for algorithm_ssl (protocol version) */
-#define SSL_SSLV2              0x00000001L
-#define SSL_SSLV3              0x00000002L
-#define SSL_TLSV1              SSL_SSLV3       /* for now */
-#define SSL_TLSV1_2            0x00000004L
-
+# define SSL_SSLV2               0x00000001UL
+# define SSL_SSLV3               0x00000002UL
+# define SSL_TLSV1               SSL_SSLV3/* for now */
+# define SSL_TLSV1_2             0x00000004UL
 
 /* Bits for algorithm2 (handshake digests and other extra flags) */
 
-#define SSL_HANDSHAKE_MAC_MD5 0x10
-#define SSL_HANDSHAKE_MAC_SHA 0x20
-#define SSL_HANDSHAKE_MAC_GOST94 0x40
-#define SSL_HANDSHAKE_MAC_SHA256 0x80
-#define SSL_HANDSHAKE_MAC_SHA384 0x100
-#define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
-
-/* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
- * make sure to update this constant too */
-#define SSL_MAX_DIGEST 6
-
-#define TLS1_PRF_DGST_MASK     (0xff << TLS1_PRF_DGST_SHIFT)
+# define SSL_HANDSHAKE_MAC_MD5 0x10
+# define SSL_HANDSHAKE_MAC_SHA 0x20
+# define SSL_HANDSHAKE_MAC_GOST94 0x40
+# define SSL_HANDSHAKE_MAC_SHA256 0x80
+# define SSL_HANDSHAKE_MAC_SHA384 0x100
+# define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
 
-#define TLS1_PRF_DGST_SHIFT 10
-#define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
-#define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
-#define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
-#define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
-#define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
-#define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
+/*
+ * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make
+ * sure to update this constant too
+ */
+# define SSL_MAX_DIGEST 6
 
-/* Stream MAC for GOST ciphersuites from cryptopro draft
- * (currently this also goes into algorithm2) */
-#define TLS1_STREAM_MAC 0x04
+# define TLS1_PRF_DGST_MASK      (0xff << TLS1_PRF_DGST_SHIFT)
 
+# define TLS1_PRF_DGST_SHIFT 10
+# define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
+# define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
 
+/*
+ * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
+ * goes into algorithm2)
+ */
+# define TLS1_STREAM_MAC 0x04
 
 /*
  * Export and cipher strength information. For each cipher we have to decide
  * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
  * be possible.
  */
-#define SSL_EXP_MASK           0x00000003L
-#define SSL_STRONG_MASK                0x000001fcL
-
-#define SSL_NOT_EXP            0x00000001L
-#define SSL_EXPORT             0x00000002L
-
-#define SSL_STRONG_NONE                0x00000004L
-#define SSL_EXP40              0x00000008L
-#define SSL_MICRO              (SSL_EXP40)
-#define SSL_EXP56              0x00000010L
-#define SSL_MINI               (SSL_EXP56)
-#define SSL_LOW                        0x00000020L
-#define SSL_MEDIUM             0x00000040L
-#define SSL_HIGH               0x00000080L
-#define SSL_FIPS               0x00000100L
+# define SSL_EXP_MASK            0x00000003L
+# define SSL_STRONG_MASK         0x000001fcL
+
+# define SSL_NOT_EXP             0x00000001L
+# define SSL_EXPORT              0x00000002L
+
+# define SSL_STRONG_NONE         0x00000004L
+# define SSL_EXP40               0x00000008L
+# define SSL_MICRO               (SSL_EXP40)
+# define SSL_EXP56               0x00000010L
+# define SSL_MINI                (SSL_EXP56)
+# define SSL_LOW                 0x00000020L
+# define SSL_MEDIUM              0x00000040L
+# define SSL_HIGH                0x00000080L
+# define SSL_FIPS                0x00000100L
 
 /* we have used 000001ff - 23 bits left to go */
 
-/*
+/*-
  * Macros to check the export status and cipher strength for export ciphers.
  * Even though the macros for EXPORT and EXPORT40/56 have similar names,
  * their meaning is different:
  * direct usage is discouraged.
  * Use the SSL_C_* macros instead.
  */
-#define SSL_IS_EXPORT(a)       ((a)&SSL_EXPORT)
-#define SSL_IS_EXPORT56(a)     ((a)&SSL_EXP56)
-#define SSL_IS_EXPORT40(a)     ((a)&SSL_EXP40)
-#define SSL_C_IS_EXPORT(c)     SSL_IS_EXPORT((c)->algo_strength)
-#define SSL_C_IS_EXPORT56(c)   SSL_IS_EXPORT56((c)->algo_strength)
-#define SSL_C_IS_EXPORT40(c)   SSL_IS_EXPORT40((c)->algo_strength)
-
-#define SSL_EXPORT_KEYLENGTH(a,s)      (SSL_IS_EXPORT40(s) ? 5 : \
-                                (a) == SSL_DES ? 8 : 7)
-#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
-#define SSL_C_EXPORT_KEYLENGTH(c)      SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
-                               (c)->algo_strength)
-#define SSL_C_EXPORT_PKEYLENGTH(c)     SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
-
-
-
+# define SSL_IS_EXPORT(a)        ((a)&SSL_EXPORT)
+# define SSL_IS_EXPORT56(a)      ((a)&SSL_EXP56)
+# define SSL_IS_EXPORT40(a)      ((a)&SSL_EXP40)
+# define SSL_C_IS_EXPORT(c)      SSL_IS_EXPORT((c)->algo_strength)
+# define SSL_C_IS_EXPORT56(c)    SSL_IS_EXPORT56((c)->algo_strength)
+# define SSL_C_IS_EXPORT40(c)    SSL_IS_EXPORT40((c)->algo_strength)
+
+# define SSL_EXPORT_KEYLENGTH(a,s)       (SSL_IS_EXPORT40(s) ? 5 : \
+                                 (a) == SSL_DES ? 8 : 7)
+# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
+# define SSL_C_EXPORT_KEYLENGTH(c)       SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
+                                (c)->algo_strength)
+# define SSL_C_EXPORT_PKEYLENGTH(c)      SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
 
 /* Mostly for SSLv3 */
-#define SSL_PKEY_RSA_ENC       0
-#define SSL_PKEY_RSA_SIGN      1
-#define SSL_PKEY_DSA_SIGN      2
-#define SSL_PKEY_DH_RSA                3
-#define SSL_PKEY_DH_DSA                4
-#define SSL_PKEY_ECC            5
-#define SSL_PKEY_GOST94                6
-#define SSL_PKEY_GOST01                7
-#define SSL_PKEY_NUM           8
-
-/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
- *         <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
+# define SSL_PKEY_RSA_ENC        0
+# define SSL_PKEY_RSA_SIGN       1
+# define SSL_PKEY_DSA_SIGN       2
+# define SSL_PKEY_DH_RSA         3
+# define SSL_PKEY_DH_DSA         4
+# define SSL_PKEY_ECC            5
+# define SSL_PKEY_GOST94         6
+# define SSL_PKEY_GOST01         7
+# define SSL_PKEY_NUM            8
+
+/*-
+ * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
+ *          <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
  * SSL_kDH  <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
  * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
  * SSL_aRSA <- RSA_ENC | RSA_SIGN
  * SSL_aDSS <- DSA_SIGN
  */
 
-/*
-#define CERT_INVALID           0
-#define CERT_PUBLIC_KEY                1
-#define CERT_PRIVATE_KEY       2
+/*-
+#define CERT_INVALID            0
+#define CERT_PUBLIC_KEY         1
+#define CERT_PRIVATE_KEY        2
 */
 
-#ifndef OPENSSL_NO_EC
-/* From ECC-TLS draft, used in encoding the curve type in 
- * ECParameters
+# ifndef OPENSSL_NO_EC
+/*
+ * From ECC-TLS draft, used in encoding the curve type in ECParameters
  */
-#define EXPLICIT_PRIME_CURVE_TYPE  1   
-#define EXPLICIT_CHAR2_CURVE_TYPE  2
-#define NAMED_CURVE_TYPE           3
-#endif  /* OPENSSL_NO_EC */
-
-typedef struct cert_pkey_st
-       {
-       X509 *x509;
-       EVP_PKEY *privatekey;
-       /* Digest to use when signing */
-       const EVP_MD *digest;
-       } CERT_PKEY;
-
-typedef struct cert_st
-       {
-       /* Current active set */
-       CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
-                        * Probably it would make more sense to store
-                        * an index, not a pointer. */
-       /* The following masks are for the key and auth
-        * algorithms that are supported by the certs below */
-       int valid;
-       unsigned long mask_k;
-       unsigned long mask_a;
-       unsigned long export_mask_k;
-       unsigned long export_mask_a;
-#ifndef OPENSSL_NO_RSA
-       RSA *rsa_tmp;
-       RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
-#endif
-#ifndef OPENSSL_NO_DH
-       DH *dh_tmp;
-       DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
-#endif
-#ifndef OPENSSL_NO_ECDH
-       EC_KEY *ecdh_tmp;
-       /* Callback for generating ephemeral ECDH keys */
-       EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
-#endif
-
-       CERT_PKEY pkeys[SSL_PKEY_NUM];
-
-       int references; /* >1 only if SSL_copy_session_id is used */
-       } CERT;
-
-
-typedef struct sess_cert_st
-       {
-       STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
+#  define EXPLICIT_PRIME_CURVE_TYPE  1
+#  define EXPLICIT_CHAR2_CURVE_TYPE  2
+#  define NAMED_CURVE_TYPE           3
+# endif                         /* OPENSSL_NO_EC */
+
+typedef struct cert_pkey_st {
+    X509 *x509;
+    EVP_PKEY *privatekey;
+    /* Digest to use when signing */
+    const EVP_MD *digest;
+} CERT_PKEY;
+
+typedef struct cert_st {
+    /* Current active set */
+    /*
+     * ALWAYS points to an element of the pkeys array
+     * Probably it would make more sense to store
+     * an index, not a pointer.
+     */
+    CERT_PKEY *key;
+    /*
+     * The following masks are for the key and auth algorithms that are
+     * supported by the certs below
+     */
+    int valid;
+    unsigned long mask_k;
+    unsigned long mask_a;
+    unsigned long export_mask_k;
+    unsigned long export_mask_a;
+# ifndef OPENSSL_NO_RSA
+    RSA *rsa_tmp;
+    RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize);
+# endif
+# ifndef OPENSSL_NO_DH
+    DH *dh_tmp;
+    DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
+# endif
+# ifndef OPENSSL_NO_ECDH
+    EC_KEY *ecdh_tmp;
+    /* Callback for generating ephemeral ECDH keys */
+    EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize);
+# endif
+    CERT_PKEY pkeys[SSL_PKEY_NUM];
+    int references;             /* >1 only if SSL_copy_session_id is used */
+} CERT;
+
+typedef struct sess_cert_st {
+    STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
+    /* The 'peer_...' members are used only by clients. */
+    int peer_cert_type;
+    CERT_PKEY *peer_key;        /* points to an element of peer_pkeys (never
+                                 * NULL!) */
+    CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
+    /*
+     * Obviously we don't have the private keys of these, so maybe we
+     * shouldn't even use the CERT_PKEY type here.
+     */
+# ifndef OPENSSL_NO_RSA
+    RSA *peer_rsa_tmp;          /* not used for SSL 2 */
+# endif
+# ifndef OPENSSL_NO_DH
+    DH *peer_dh_tmp;            /* not used for SSL 2 */
+# endif
+# ifndef OPENSSL_NO_ECDH
+    EC_KEY *peer_ecdh_tmp;
+# endif
+    int references;             /* actually always 1 at the moment */
+} SESS_CERT;
 
-       /* The 'peer_...' members are used only by clients. */
-       int peer_cert_type;
+/*
+ * #define MAC_DEBUG
+ */
 
-       CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
-       CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
-       /* Obviously we don't have the private keys of these,
-        * so maybe we shouldn't even use the CERT_PKEY type here. */
+/*
+ * #define ERR_DEBUG
+ */
+/*
+ * #define ABORT_DEBUG
+ */
+/*
+ * #define PKT_DEBUG 1
+ */
+/*
+ * #define DES_DEBUG
+ */
+/*
+ * #define DES_OFB_DEBUG
+ */
+/*
+ * #define SSL_DEBUG
+ */
+/*
+ * #define RSA_DEBUG
+ */
+/*
+ * #define IDEA_DEBUG
+ */
 
-#ifndef OPENSSL_NO_RSA
-       RSA *peer_rsa_tmp; /* not used for SSL 2 */
-#endif
-#ifndef OPENSSL_NO_DH
-       DH *peer_dh_tmp; /* not used for SSL 2 */
-#endif
-#ifndef OPENSSL_NO_ECDH
-       EC_KEY *peer_ecdh_tmp;
-#endif
+# define FP_ICC  (int (*)(const void *,const void *))
+# define ssl_put_cipher_by_char(ssl,ciph,ptr) \
+                ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
+# define ssl_get_cipher_by_char(ssl,ptr) \
+                ((ssl)->method->get_cipher_by_char(ptr))
 
-       int references; /* actually always 1 at the moment */
-       } SESS_CERT;
-
-
-/*#define MAC_DEBUG    */
-
-/*#define ERR_DEBUG    */
-/*#define ABORT_DEBUG  */
-/*#define PKT_DEBUG 1   */
-/*#define DES_DEBUG    */
-/*#define DES_OFB_DEBUG        */
-/*#define SSL_DEBUG    */
-/*#define RSA_DEBUG    */ 
-/*#define IDEA_DEBUG   */ 
-
-#define FP_ICC  (int (*)(const void *,const void *))
-#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
-               ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
-#define ssl_get_cipher_by_char(ssl,ptr) \
-               ((ssl)->method->get_cipher_by_char(ptr))
-
-/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
- * It is a bit of a mess of functions, but hell, think of it as
- * an opaque structure :-) */
-typedef struct ssl3_enc_method
-       {
-       int (*enc)(SSL *, int);
-       int (*mac)(SSL *, unsigned char *, int);
-       int (*setup_key_block)(SSL *);
-       int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
-       int (*change_cipher_state)(SSL *, int);
-       int (*final_finish_mac)(SSL *,  const char *, int, unsigned char *);
-       int finish_mac_length;
-       int (*cert_verify_mac)(SSL *, int, unsigned char *);
-       const char *client_finished_label;
-       int client_finished_label_len;
-       const char *server_finished_label;
-       int server_finished_label_len;
-       int (*alert_value)(int);
-        int (*export_keying_material)(SSL *, unsigned char *, unsigned int,
-                                     const char *, unsigned int,
-                                     const unsigned char *, unsigned int,
-                                     int use_context);
-       } SSL3_ENC_METHOD;
-
-#ifndef OPENSSL_NO_COMP
+/*
+ * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
+ * of a mess of functions, but hell, think of it as an opaque structure :-)
+ */
+typedef struct ssl3_enc_method {
+    int (*enc) (SSL *, int);
+    int (*mac) (SSL *, unsigned char *, int);
+    int (*setup_key_block) (SSL *);
+    int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
+                                   int);
+    int (*change_cipher_state) (SSL *, int);
+    int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
+    int finish_mac_length;
+    int (*cert_verify_mac) (SSL *, int, unsigned char *);
+    const char *client_finished_label;
+    int client_finished_label_len;
+    const char *server_finished_label;
+    int server_finished_label_len;
+    int (*alert_value) (int);
+    int (*export_keying_material) (SSL *, unsigned char *, size_t,
+                                   const char *, size_t,
+                                   const unsigned char *, size_t,
+                                   int use_context);
+} SSL3_ENC_METHOD;
+
+# ifndef OPENSSL_NO_COMP
 /* Used for holding the relevant compression methods loaded into SSL_CTX */
-typedef struct ssl3_comp_st
-       {
-       int comp_id;    /* The identifier byte for this compression type */
-       char *name;     /* Text name used for the compression type */
-       COMP_METHOD *method; /* The method :-) */
-       } SSL3_COMP;
-#endif
+typedef struct ssl3_comp_st {
+    int comp_id;                /* The identifier byte for this compression
+                                 * type */
+    char *name;                 /* Text name used for the compression type */
+    COMP_METHOD *method;        /* The method :-) */
+} SSL3_COMP;
+# endif
 
-#ifndef OPENSSL_NO_BUF_FREELISTS
-typedef struct ssl3_buf_freelist_st
-       {
-       size_t chunklen;
-       unsigned int len;
-       struct ssl3_buf_freelist_entry_st *head;
-       } SSL3_BUF_FREELIST;
-
-typedef struct ssl3_buf_freelist_entry_st
-       {
-       struct ssl3_buf_freelist_entry_st *next;
-       } SSL3_BUF_FREELIST_ENTRY;
-#endif
+# ifndef OPENSSL_NO_BUF_FREELISTS
+typedef struct ssl3_buf_freelist_st {
+    size_t chunklen;
+    unsigned int len;
+    struct ssl3_buf_freelist_entry_st *head;
+} SSL3_BUF_FREELIST;
+
+typedef struct ssl3_buf_freelist_entry_st {
+    struct ssl3_buf_freelist_entry_st *next;
+} SSL3_BUF_FREELIST_ENTRY;
+# endif
 
 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
 
-
 SSL_METHOD *ssl_bad_method(int ver);
 
 extern SSL3_ENC_METHOD TLSv1_enc_data;
 extern SSL3_ENC_METHOD SSLv3_enc_data;
 extern SSL3_ENC_METHOD DTLSv1_enc_data;
 
-#define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
-                               s_get_meth) \
+# define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION)
+
+# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
+                                s_get_meth) \
 const SSL_METHOD *func_name(void)  \
-       { \
-       static const SSL_METHOD func_name##_data= { \
-               version, \
-               tls1_new, \
-               tls1_clear, \
-               tls1_free, \
-               s_accept, \
-               s_connect, \
-               ssl3_read, \
-               ssl3_peek, \
-               ssl3_write, \
-               ssl3_shutdown, \
-               ssl3_renegotiate, \
-               ssl3_renegotiate_check, \
-               ssl3_get_message, \
-               ssl3_read_bytes, \
-               ssl3_write_bytes, \
-               ssl3_dispatch_alert, \
-               ssl3_ctrl, \
-               ssl3_ctx_ctrl, \
-               ssl3_get_cipher_by_char, \
-               ssl3_put_cipher_by_char, \
-               ssl3_pending, \
-               ssl3_num_ciphers, \
-               ssl3_get_cipher, \
-               s_get_meth, \
-               tls1_default_timeout, \
-               &TLSv1_enc_data, \
-               ssl_undefined_void_function, \
-               ssl3_callback_ctrl, \
-               ssl3_ctx_callback_ctrl, \
-       }; \
-       return &func_name##_data; \
-       }
-
-#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
+        { \
+        static const SSL_METHOD func_name##_data= { \
+                version, \
+                tls1_new, \
+                tls1_clear, \
+                tls1_free, \
+                s_accept, \
+                s_connect, \
+                ssl3_read, \
+                ssl3_peek, \
+                ssl3_write, \
+                ssl3_shutdown, \
+                ssl3_renegotiate, \
+                ssl3_renegotiate_check, \
+                ssl3_get_message, \
+                ssl3_read_bytes, \
+                ssl3_write_bytes, \
+                ssl3_dispatch_alert, \
+                ssl3_ctrl, \
+                ssl3_ctx_ctrl, \
+                ssl3_get_cipher_by_char, \
+                ssl3_put_cipher_by_char, \
+                ssl3_pending, \
+                ssl3_num_ciphers, \
+                ssl3_get_cipher, \
+                s_get_meth, \
+                tls1_default_timeout, \
+                &TLSv1_enc_data, \
+                ssl_undefined_void_function, \
+                ssl3_callback_ctrl, \
+                ssl3_ctx_callback_ctrl, \
+        }; \
+        return &func_name##_data; \
+        }
+
+# define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 const SSL_METHOD *func_name(void)  \
-       { \
-       static const SSL_METHOD func_name##_data= { \
-               SSL3_VERSION, \
-               ssl3_new, \
-               ssl3_clear, \
-               ssl3_free, \
-               s_accept, \
-               s_connect, \
-               ssl3_read, \
-               ssl3_peek, \
-               ssl3_write, \
-               ssl3_shutdown, \
-               ssl3_renegotiate, \
-               ssl3_renegotiate_check, \
-               ssl3_get_message, \
-               ssl3_read_bytes, \
-               ssl3_write_bytes, \
-               ssl3_dispatch_alert, \
-               ssl3_ctrl, \
-               ssl3_ctx_ctrl, \
-               ssl3_get_cipher_by_char, \
-               ssl3_put_cipher_by_char, \
-               ssl3_pending, \
-               ssl3_num_ciphers, \
-               ssl3_get_cipher, \
-               s_get_meth, \
-               ssl3_default_timeout, \
-               &SSLv3_enc_data, \
-               ssl_undefined_void_function, \
-               ssl3_callback_ctrl, \
-               ssl3_ctx_callback_ctrl, \
-       }; \
-       return &func_name##_data; \
-       }
-
-#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
+        { \
+        static const SSL_METHOD func_name##_data= { \
+                SSL3_VERSION, \
+                ssl3_new, \
+                ssl3_clear, \
+                ssl3_free, \
+                s_accept, \
+                s_connect, \
+                ssl3_read, \
+                ssl3_peek, \
+                ssl3_write, \
+                ssl3_shutdown, \
+                ssl3_renegotiate, \
+                ssl3_renegotiate_check, \
+                ssl3_get_message, \
+                ssl3_read_bytes, \
+                ssl3_write_bytes, \
+                ssl3_dispatch_alert, \
+                ssl3_ctrl, \
+                ssl3_ctx_ctrl, \
+                ssl3_get_cipher_by_char, \
+                ssl3_put_cipher_by_char, \
+                ssl3_pending, \
+                ssl3_num_ciphers, \
+                ssl3_get_cipher, \
+                s_get_meth, \
+                ssl3_default_timeout, \
+                &SSLv3_enc_data, \
+                ssl_undefined_void_function, \
+                ssl3_callback_ctrl, \
+                ssl3_ctx_callback_ctrl, \
+        }; \
+        return &func_name##_data; \
+        }
+
+# define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 const SSL_METHOD *func_name(void)  \
-       { \
-       static const SSL_METHOD func_name##_data= { \
-       TLS1_2_VERSION, \
-       tls1_new, \
-       tls1_clear, \
-       tls1_free, \
-       s_accept, \
-       s_connect, \
-       ssl23_read, \
-       ssl23_peek, \
-       ssl23_write, \
-       ssl_undefined_function, \
-       ssl_undefined_function, \
-       ssl_ok, \
-       ssl3_get_message, \
-       ssl3_read_bytes, \
-       ssl3_write_bytes, \
-       ssl3_dispatch_alert, \
-       ssl3_ctrl, \
-       ssl3_ctx_ctrl, \
-       ssl23_get_cipher_by_char, \
-       ssl23_put_cipher_by_char, \
-       ssl_undefined_const_function, \
-       ssl23_num_ciphers, \
-       ssl23_get_cipher, \
-       s_get_meth, \
-       ssl23_default_timeout, \
-       &ssl3_undef_enc_method, \
-       ssl_undefined_void_function, \
-       ssl3_callback_ctrl, \
-       ssl3_ctx_callback_ctrl, \
-       }; \
-       return &func_name##_data; \
-       }
-
-#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
+        { \
+        static const SSL_METHOD func_name##_data= { \
+        TLS1_2_VERSION, \
+        tls1_new, \
+        tls1_clear, \
+        tls1_free, \
+        s_accept, \
+        s_connect, \
+        ssl23_read, \
+        ssl23_peek, \
+        ssl23_write, \
+        ssl_undefined_function, \
+        ssl_undefined_function, \
+        ssl_ok, \
+        ssl3_get_message, \
+        ssl3_read_bytes, \
+        ssl3_write_bytes, \
+        ssl3_dispatch_alert, \
+        ssl3_ctrl, \
+        ssl3_ctx_ctrl, \
+        ssl23_get_cipher_by_char, \
+        ssl23_put_cipher_by_char, \
+        ssl_undefined_const_function, \
+        ssl23_num_ciphers, \
+        ssl23_get_cipher, \
+        s_get_meth, \
+        ssl23_default_timeout, \
+        &ssl3_undef_enc_method, \
+        ssl_undefined_void_function, \
+        ssl3_callback_ctrl, \
+        ssl3_ctx_callback_ctrl, \
+        }; \
+        return &func_name##_data; \
+        }
+
+# define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 const SSL_METHOD *func_name(void)  \
-       { \
-       static const SSL_METHOD func_name##_data= { \
-               SSL2_VERSION, \
-               ssl2_new,       /* local */ \
-               ssl2_clear,     /* local */ \
-               ssl2_free,      /* local */ \
-               s_accept, \
-               s_connect, \
-               ssl2_read, \
-               ssl2_peek, \
-               ssl2_write, \
-               ssl2_shutdown, \
-               ssl_ok, /* NULL - renegotiate */ \
-               ssl_ok, /* NULL - check renegotiate */ \
-               NULL, /* NULL - ssl_get_message */ \
-               NULL, /* NULL - ssl_get_record */ \
-               NULL, /* NULL - ssl_write_bytes */ \
-               NULL, /* NULL - dispatch_alert */ \
-               ssl2_ctrl,      /* local */ \
-               ssl2_ctx_ctrl,  /* local */ \
-               ssl2_get_cipher_by_char, \
-               ssl2_put_cipher_by_char, \
-               ssl2_pending, \
-               ssl2_num_ciphers, \
-               ssl2_get_cipher, \
-               s_get_meth, \
-               ssl2_default_timeout, \
-               &ssl3_undef_enc_method, \
-               ssl_undefined_void_function, \
-               ssl2_callback_ctrl,     /* local */ \
-               ssl2_ctx_callback_ctrl, /* local */ \
-       }; \
-       return &func_name##_data; \
-       }
-
-#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
+        { \
+        static const SSL_METHOD func_name##_data= { \
+                SSL2_VERSION, \
+                ssl2_new,       /* local */ \
+                ssl2_clear,     /* local */ \
+                ssl2_free,      /* local */ \
+                s_accept, \
+                s_connect, \
+                ssl2_read, \
+                ssl2_peek, \
+                ssl2_write, \
+                ssl2_shutdown, \
+                ssl_ok, /* NULL - renegotiate */ \
+                ssl_ok, /* NULL - check renegotiate */ \
+                NULL, /* NULL - ssl_get_message */ \
+                NULL, /* NULL - ssl_get_record */ \
+                NULL, /* NULL - ssl_write_bytes */ \
+                NULL, /* NULL - dispatch_alert */ \
+                ssl2_ctrl,      /* local */ \
+                ssl2_ctx_ctrl,  /* local */ \
+                ssl2_get_cipher_by_char, \
+                ssl2_put_cipher_by_char, \
+                ssl2_pending, \
+                ssl2_num_ciphers, \
+                ssl2_get_cipher, \
+                s_get_meth, \
+                ssl2_default_timeout, \
+                &ssl3_undef_enc_method, \
+                ssl_undefined_void_function, \
+                ssl2_callback_ctrl,     /* local */ \
+                ssl2_ctx_callback_ctrl, /* local */ \
+        }; \
+        return &func_name##_data; \
+        }
+
+# define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
 const SSL_METHOD *func_name(void)  \
-       { \
-       static const SSL_METHOD func_name##_data= { \
-               DTLS1_VERSION, \
-               dtls1_new, \
-               dtls1_clear, \
-               dtls1_free, \
-               s_accept, \
-               s_connect, \
-               ssl3_read, \
-               ssl3_peek, \
-               ssl3_write, \
-               ssl3_shutdown, \
-               ssl3_renegotiate, \
-               ssl3_renegotiate_check, \
-               dtls1_get_message, \
-               dtls1_read_bytes, \
-               dtls1_write_app_data_bytes, \
-               dtls1_dispatch_alert, \
-               dtls1_ctrl, \
-               ssl3_ctx_ctrl, \
-               ssl3_get_cipher_by_char, \
-               ssl3_put_cipher_by_char, \
-               ssl3_pending, \
-               ssl3_num_ciphers, \
-               dtls1_get_cipher, \
-               s_get_meth, \
-               dtls1_default_timeout, \
-               &DTLSv1_enc_data, \
-               ssl_undefined_void_function, \
-               ssl3_callback_ctrl, \
-               ssl3_ctx_callback_ctrl, \
-       }; \
-       return &func_name##_data; \
-       }
+        { \
+        static const SSL_METHOD func_name##_data= { \
+                DTLS1_VERSION, \
+                dtls1_new, \
+                dtls1_clear, \
+                dtls1_free, \
+                s_accept, \
+                s_connect, \
+                ssl3_read, \
+                ssl3_peek, \
+                ssl3_write, \
+                dtls1_shutdown, \
+                ssl3_renegotiate, \
+                ssl3_renegotiate_check, \
+                dtls1_get_message, \
+                dtls1_read_bytes, \
+                dtls1_write_app_data_bytes, \
+                dtls1_dispatch_alert, \
+                dtls1_ctrl, \
+                ssl3_ctx_ctrl, \
+                ssl3_get_cipher_by_char, \
+                ssl3_put_cipher_by_char, \
+                ssl3_pending, \
+                ssl3_num_ciphers, \
+                dtls1_get_cipher, \
+                s_get_meth, \
+                dtls1_default_timeout, \
+                &DTLSv1_enc_data, \
+                ssl_undefined_void_function, \
+                ssl3_callback_ctrl, \
+                ssl3_ctx_callback_ctrl, \
+        }; \
+        return &func_name##_data; \
+        }
+
+struct openssl_ssl_test_functions {
+    int (*p_ssl_init_wbio_buffer) (SSL *s, int push);
+    int (*p_ssl3_setup_buffers) (SSL *s);
+    int (*p_tls1_process_heartbeat) (SSL *s);
+    int (*p_dtls1_process_heartbeat) (SSL *s);
+};
+
+# ifndef OPENSSL_UNIT_TEST
 
 void ssl_clear_cipher_ctx(SSL *s);
 int ssl_clear_bad_session(SSL *s);
@@ -808,144 +863,155 @@ SESS_CERT *ssl_sess_cert_new(void);
 void ssl_sess_cert_free(SESS_CERT *sc);
 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
 int ssl_get_new_session(SSL *s, int session);
-int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
-int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
-DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
-                                 ssl_cipher_id);
-int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
-                       const SSL_CIPHER * const *bp);
-STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
-                                              STACK_OF(SSL_CIPHER) **skp);
-int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
-                             int (*put_cb)(const SSL_CIPHER *, unsigned char *));
+int ssl_get_prev_session(SSL *s, unsigned char *session, int len,
+                         const unsigned char *limit);
+SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
+int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
+DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
+int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
+                          const SSL_CIPHER *const *bp);
+STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p,
+                                               int num,
+                                               STACK_OF(SSL_CIPHER) **skp);
+int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
+                             unsigned char *p,
+                             int (*put_cb) (const SSL_CIPHER *,
+                                            unsigned char *));
 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
-                                            STACK_OF(SSL_CIPHER) **pref,
-                                            STACK_OF(SSL_CIPHER) **sorted,
-                                            const char *rule_str);
+                                             STACK_OF(SSL_CIPHER) **pref,
+                                             STACK_OF(SSL_CIPHER) **sorted,
+                                             const char *rule_str);
 void ssl_update_cache(SSL *s, int mode);
-int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
-                      const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
-int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);                         
-int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
+int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
+                       const EVP_MD **md, int *mac_pkey_type,
+                       int *mac_secret_size, SSL_COMP **comp);
+int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md);
+int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
 int ssl_undefined_function(SSL *s);
 int ssl_undefined_void_function(void);
 int ssl_undefined_const_function(const SSL *s);
-X509 *ssl_get_server_send_cert(SSL *);
-EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
-int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
+CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
+X509 *ssl_get_server_send_cert(const SSL *);
+EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
+int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
 int ssl_verify_alarm_type(long type);
 void ssl_load_ciphers(void);
+int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
 
 int ssl2_enc_init(SSL *s, int client);
 int ssl2_generate_key_material(SSL *s);
-void ssl2_enc(SSL *s,int send_data);
-void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
+int ssl2_enc(SSL *s, int send_data);
+void ssl2_mac(SSL *s, unsigned char *mac, int send_data);
 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
-int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
+int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
 int ssl2_part_read(SSL *s, unsigned long f, int i);
 int ssl2_do_write(SSL *s);
-int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
-void ssl2_return_error(SSL *s,int reason);
+int ssl2_set_certificate(SSL *s, int type, int len,
+                         const unsigned char *data);
+void ssl2_return_error(SSL *s, int reason);
 void ssl2_write_error(SSL *s);
 int ssl2_num_ciphers(void);
 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
-int    ssl2_new(SSL *s);
-void   ssl2_free(SSL *s);
-int    ssl2_accept(SSL *s);
-int    ssl2_connect(SSL *s);
-int    ssl2_read(SSL *s, void *buf, int len);
-int    ssl2_peek(SSL *s, void *buf, int len);
-int    ssl2_write(SSL *s, const void *buf, int len);
-int    ssl2_shutdown(SSL *s);
-void   ssl2_clear(SSL *s);
-long   ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
-long   ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
-long   ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
-long   ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
-int    ssl2_pending(const SSL *s);
-long   ssl2_default_timeout(void );
+int ssl2_new(SSL *s);
+void ssl2_free(SSL *s);
+int ssl2_accept(SSL *s);
+int ssl2_connect(SSL *s);
+int ssl2_read(SSL *s, void *buf, int len);
+int ssl2_peek(SSL *s, void *buf, int len);
+int ssl2_write(SSL *s, const void *buf, int len);
+int ssl2_shutdown(SSL *s);
+void ssl2_clear(SSL *s);
+long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg);
+long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
+long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
+long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
+int ssl2_pending(const SSL *s);
+long ssl2_default_timeout(void);
 
 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
-int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
+int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
 void ssl3_init_finished_mac(SSL *s);
 int ssl3_send_server_certificate(SSL *s);
 int ssl3_send_newsession_ticket(SSL *s);
 int ssl3_send_cert_status(SSL *s);
-int ssl3_get_finished(SSL *s,int state_a,int state_b);
+int ssl3_get_finished(SSL *s, int state_a, int state_b);
 int ssl3_setup_key_block(SSL *s);
-int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
-int ssl3_change_cipher_state(SSL *s,int which);
+int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b);
+int ssl3_change_cipher_state(SSL *s, int which);
 void ssl3_cleanup_key_block(SSL *s);
-int ssl3_do_write(SSL *s,int type);
-int ssl3_send_alert(SSL *s,int level, int desc);
+int ssl3_do_write(SSL *s, int type);
+int ssl3_send_alert(SSL *s, int level, int desc);
 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
-       unsigned char *p, int len);
-int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
+                                unsigned char *p, int len);
+int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
-int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
+int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen);
 int ssl3_num_ciphers(void);
 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
-int ssl3_renegotiate(SSL *ssl); 
-int ssl3_renegotiate_check(SSL *ssl); 
+int ssl3_renegotiate(SSL *ssl);
+int ssl3_renegotiate_check(SSL *ssl);
 int ssl3_dispatch_alert(SSL *s);
 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
-int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
+int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
+                          unsigned char *p);
 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
 int ssl3_enc(SSL *s, int send_data);
 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
 void ssl3_free_digest_list(SSL *s);
 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
-SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
-                              STACK_OF(SSL_CIPHER) *srvr);
-int    ssl3_setup_buffers(SSL *s);
-int    ssl3_setup_read_buffer(SSL *s);
-int    ssl3_setup_write_buffer(SSL *s);
-int    ssl3_release_read_buffer(SSL *s);
-int    ssl3_release_write_buffer(SSL *s);
-int    ssl3_digest_cached_records(SSL *s);
-int    ssl3_new(SSL *s);
-void   ssl3_free(SSL *s);
-int    ssl3_accept(SSL *s);
-int    ssl3_connect(SSL *s);
-int    ssl3_read(SSL *s, void *buf, int len);
-int    ssl3_peek(SSL *s, void *buf, int len);
-int    ssl3_write(SSL *s, const void *buf, int len);
-int    ssl3_shutdown(SSL *s);
-void   ssl3_clear(SSL *s);
-long   ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
-long   ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
-long   ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
-long   ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
-int    ssl3_pending(const SSL *s);
+SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
+                               STACK_OF(SSL_CIPHER) *srvr);
+int ssl3_setup_buffers(SSL *s);
+int ssl3_setup_read_buffer(SSL *s);
+int ssl3_setup_write_buffer(SSL *s);
+int ssl3_release_read_buffer(SSL *s);
+int ssl3_release_write_buffer(SSL *s);
+int ssl3_digest_cached_records(SSL *s);
+int ssl3_new(SSL *s);
+void ssl3_free(SSL *s);
+int ssl3_accept(SSL *s);
+int ssl3_connect(SSL *s);
+int ssl3_read(SSL *s, void *buf, int len);
+int ssl3_peek(SSL *s, void *buf, int len);
+int ssl3_write(SSL *s, const void *buf, int len);
+int ssl3_shutdown(SSL *s);
+void ssl3_clear(SSL *s);
+long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
+long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
+long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
+long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
+int ssl3_pending(const SSL *s);
 
 void ssl3_record_sequence_update(unsigned char *seq);
 int ssl3_do_change_cipher_spec(SSL *ssl);
-long ssl3_default_timeout(void );
+long ssl3_default_timeout(void);
 
-int ssl23_num_ciphers(void );
+int ssl23_num_ciphers(void);
 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
 int ssl23_read(SSL *s, void *buf, int len);
 int ssl23_peek(SSL *s, void *buf, int len);
 int ssl23_write(SSL *s, const void *buf, int len);
 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
-long ssl23_default_timeout(void );
+long ssl23_default_timeout(void);
 
 long tls1_default_timeout(void);
-int dtls1_do_write(SSL *s,int type);
+int dtls1_do_write(SSL *s, int type);
 int ssl3_read_n(SSL *s, int n, int max, int extend);
 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
 int ssl3_do_compress(SSL *ssl);
 int ssl3_do_uncompress(SSL *ssl);
 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
-       unsigned int len);
-unsigned char *dtls1_set_message_header(SSL *s, 
-       unsigned char *p, unsigned char mt,     unsigned long len, 
-       unsigned long frag_off, unsigned long frag_len);
+                       unsigned int len);
+unsigned char *dtls1_set_message_header(SSL *s,
+                                        unsigned char *p, unsigned char mt,
+                                        unsigned long len,
+                                        unsigned long frag_off,
+                                        unsigned long frag_len);
 
 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
@@ -955,16 +1021,18 @@ int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
 int dtls1_read_failed(SSL *s, int code);
 int dtls1_buffer_message(SSL *s, int ccs);
-int dtls1_retransmit_message(SSL *s, unsigned short seq, 
-       unsigned long frag_off, int *found);
+int dtls1_retransmit_message(SSL *s, unsigned short seq,
+                             unsigned long frag_off, int *found);
 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
 int dtls1_retransmit_buffered_messages(SSL *s);
 void dtls1_clear_record_buffer(SSL *s);
-void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
+void dtls1_get_message_header(unsigned char *data,
+                              struct hm_header_st *msg_hdr);
 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
 void dtls1_reset_seq_numbers(SSL *s, int rw);
 long dtls1_default_timeout(void);
-struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
+struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
+int dtls1_check_timeout_num(SSL *s);
 int dtls1_handle_timeout(SSL *s);
 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
 void dtls1_start_timer(SSL *s);
@@ -972,7 +1040,9 @@ void dtls1_stop_timer(SSL *s);
 int dtls1_is_timer_expired(SSL *s);
 void dtls1_double_timeout(SSL *s);
 int dtls1_send_newsession_ticket(SSL *s);
-unsigned int dtls1_min_mtu(void);
+unsigned int dtls1_min_mtu(SSL *s);
+unsigned int dtls1_link_min_mtu(void);
+void dtls1_hm_fragment_free(hm_fragment *frag);
 
 /* some client-only functions */
 int ssl3_client_hello(SSL *s);
@@ -988,12 +1058,11 @@ int ssl3_send_client_key_exchange(SSL *s);
 int ssl3_get_key_exchange(SSL *s);
 int ssl3_get_server_certificate(SSL *s);
 int ssl3_check_cert_and_algorithm(SSL *s);
-#ifndef OPENSSL_NO_TLSEXT
-int ssl3_check_finished(SSL *s);
-# ifndef OPENSSL_NO_NEXTPROTONEG
+#  ifndef OPENSSL_NO_TLSEXT
+#   ifndef OPENSSL_NO_NEXTPROTONEG
 int ssl3_send_next_proto(SSL *s);
-# endif
-#endif
+#   endif
+#  endif
 
 int dtls1_client_hello(SSL *s);
 int dtls1_send_client_certificate(SSL *s);
@@ -1011,9 +1080,9 @@ int ssl3_check_client_hello(SSL *s);
 int ssl3_get_client_certificate(SSL *s);
 int ssl3_get_client_key_exchange(SSL *s);
 int ssl3_get_cert_verify(SSL *s);
-#ifndef OPENSSL_NO_NEXTPROTONEG
+#  ifndef OPENSSL_NO_NEXTPROTONEG
 int ssl3_get_next_proto(SSL *s);
-#endif
+#  endif
 
 int dtls1_send_hello_request(SSL *s);
 int dtls1_send_server_hello(SSL *s);
@@ -1022,8 +1091,6 @@ int dtls1_send_server_key_exchange(SSL *s);
 int dtls1_send_certificate_request(SSL *s);
 int dtls1_send_server_done(SSL *s);
 
-
-
 int ssl23_accept(SSL *s);
 int ssl23_connect(SSL *s);
 int ssl23_read_bytes(SSL *s, int n);
@@ -1032,20 +1099,21 @@ int ssl23_write_bytes(SSL *s);
 int tls1_new(SSL *s);
 void tls1_free(SSL *s);
 void tls1_clear(SSL *s);
-long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
-long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
+long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
+long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
 
 int dtls1_new(SSL *s);
-int    dtls1_accept(SSL *s);
-int    dtls1_connect(SSL *s);
+int dtls1_accept(SSL *s);
+int dtls1_connect(SSL *s);
 void dtls1_free(SSL *s);
 void dtls1_clear(SSL *s);
-long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
+long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
+int dtls1_shutdown(SSL *s);
 
 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
 int dtls1_get_record(SSL *s);
 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
-       unsigned int len, int create_empty_fragement);
+                   unsigned int len, int create_empty_fragement);
 int dtls1_dispatch_alert(SSL *s);
 int dtls1_enc(SSL *s, int snd);
 
@@ -1056,70 +1124,122 @@ int tls1_change_cipher_state(SSL *s, int which);
 int tls1_setup_key_block(SSL *s);
 int tls1_enc(SSL *s, int snd);
 int tls1_final_finish_mac(SSL *s,
-       const char *str, int slen, unsigned char *p);
+                          const char *str, int slen, unsigned char *p);
 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
 int tls1_generate_master_secret(SSL *s, unsigned char *out,
-       unsigned char *p, int len);
-int tls1_export_keying_material(SSL *s, unsigned char *out, unsigned int olen, 
-       const char *label, unsigned int llen, const unsigned char *p, 
-        unsigned int plen, int use_context);
+                                unsigned char *p, int len);
+int tls1_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);
 int tls1_alert_code(int code);
 int ssl3_alert_code(int code);
 int ssl_ok(SSL *s);
 
-#ifndef OPENSSL_NO_ECDH
+#  ifndef OPENSSL_NO_ECDH
 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
-#endif
+#  endif
 
 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
 
-#ifndef OPENSSL_NO_EC
+#  ifndef OPENSSL_NO_EC
 int tls1_ec_curve_id2nid(int curve_id);
 int tls1_ec_nid2curve_id(int nid);
-#endif /* OPENSSL_NO_EC */
-
-#ifndef OPENSSL_NO_TLSEXT
-unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 
-unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 
-int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
-int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
+#  endif                        /* OPENSSL_NO_EC */
+
+#  ifndef OPENSSL_NO_TLSEXT
+unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
+                                          unsigned char *limit);
+unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
+                                          unsigned char *limit);
+int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data,
+                                 unsigned char *limit, int *al);
+int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data,
+                                 unsigned char *d, int n, int *al);
 int ssl_prepare_clienthello_tlsext(SSL *s);
 int ssl_prepare_serverhello_tlsext(SSL *s);
-int ssl_check_clienthello_tlsext(SSL *s);
+int ssl_check_clienthello_tlsext_early(SSL *s);
+int ssl_check_clienthello_tlsext_late(SSL *s);
 int ssl_check_serverhello_tlsext(SSL *s);
 
-#ifdef OPENSSL_NO_SHA256
-#define tlsext_tick_md EVP_sha1
-#else
-#define tlsext_tick_md EVP_sha256
-#endif
+#   ifndef OPENSSL_NO_HEARTBEATS
+int tls1_heartbeat(SSL *s);
+int dtls1_heartbeat(SSL *s);
+int tls1_process_heartbeat(SSL *s);
+int dtls1_process_heartbeat(SSL *s);
+#   endif
+
+#   ifdef OPENSSL_NO_SHA256
+#    define tlsext_tick_md  EVP_sha1
+#   else
+#    define tlsext_tick_md  EVP_sha256
+#   endif
 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
-                               const unsigned char *limit, SSL_SESSION **ret);
+                        const unsigned char *limit, SSL_SESSION **ret);
 
 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
-                               const EVP_MD *md);
+                         const EVP_MD *md);
 int tls12_get_sigid(const EVP_PKEY *pk);
 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
 
-#endif
-EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
+#  endif
+EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
-                                       int maxlen);
+                                        int maxlen);
 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
-                                         int *al);
+                                          int *al);
 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
-                                       int maxlen);
+                                        int maxlen);
 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
-                                         int *al);
+                                          int *al);
 long ssl_get_algorithm2(SSL *s);
 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
 int tls12_get_req_sig_algs(SSL *s, unsigned char *p);
 
-int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
-int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
-int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
-int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
+int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
+                                     int maxlen);
+int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,
+                                       int *al);
+int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
+                                     int maxlen);
+int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,
+                                       int *al);
+
+/* s3_cbc.c */
+void ssl3_cbc_copy_mac(unsigned char *out,
+                       const SSL3_RECORD *rec,
+                       unsigned md_size, unsigned orig_len);
+int ssl3_cbc_remove_padding(const SSL *s,
+                            SSL3_RECORD *rec,
+                            unsigned block_size, unsigned mac_size);
+int tls1_cbc_remove_padding(const SSL *s,
+                            SSL3_RECORD *rec,
+                            unsigned block_size, unsigned mac_size);
+char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
+int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
+                           unsigned char *md_out,
+                           size_t *md_out_size,
+                           const unsigned char header[13],
+                           const unsigned char *data,
+                           size_t data_plus_mac_size,
+                           size_t data_plus_mac_plus_padding_size,
+                           const unsigned char *mac_secret,
+                           unsigned mac_secret_length, char is_sslv3);
+
+void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
+                           EVP_MD_CTX *mac_ctx, const unsigned char *data,
+                           size_t data_len, size_t orig_len);
+
+int srp_verify_server_param(SSL *s, int *al);
+
+# else
+
+#  define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
+#  define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
+#  define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
+#  define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
 
+# endif
 #endif