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- /* ssl/ssl_locl.h */
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * 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:
- * 1. Redistributions of source code must retain the copyright
- * 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 the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * 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
- * 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
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * 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
- * [including the GNU Public Licence.]
- */
- /* ====================================================================
- * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * 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
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- /* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECC cipher suite support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
- */
- /* ====================================================================
- * Copyright 2005 Nokia. All rights reserved.
- *
- * The portions of the attached software ("Contribution") is developed by
- * Nokia Corporation and is licensed pursuant to the OpenSSL open source
- * license.
- *
- * The Contribution, originally written by Mika Kousa and Pasi Eronen of
- * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
- * support (see RFC 4279) to OpenSSL.
- *
- * No patent licenses or other rights except those expressly stated in
- * the OpenSSL open source license shall be deemed granted or received
- * expressly, by implication, estoppel, or otherwise.
- *
- * No assurances are provided by Nokia that the Contribution does not
- * infringe the patent or other intellectual property rights of any third
- * party or that the license provides you with all the necessary rights
- * to make use of the Contribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
- * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
- * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
- * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
- * OTHERWISE.
- */
- #ifndef HEADER_SSL_LOCL_H
- # define HEADER_SSL_LOCL_H
- # include <stdlib.h>
- # include <time.h>
- # include <string.h>
- # include <errno.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/async.h>
- # include <openssl/symhacks.h>
- #include "record/record.h"
- #include "statem/statem.h"
- #include "packet_locl.h"
- #include "internal/dane.h"
- # ifdef OPENSSL_BUILD_SHLIBSSL
- # undef OPENSSL_EXTERN
- # define OPENSSL_EXTERN OPENSSL_EXPORT
- # endif
- # 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))
- /* 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 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 DTLS_VERSION_GT(v1, v2) ((v1) < (v2))
- #define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2))
- #define DTLS_VERSION_LT(v1, v2) ((v1) > (v2))
- #define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2))
- /* LOCAL STUFF */
- # 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 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.
- * This bits are used packed as dense as possible. If new methods/ciphers
- * etc will be added, the bits a likely to change, so this information
- * is for internal library use only, even though SSL_CIPHER.algorithms
- * can be publicly accessed.
- * Use the according functions for cipher management instead.
- *
- * The bit mask handling in the selection and sorting scheme in
- * ssl_create_cipher_list() has only limited capabilities, reflecting
- * that the different entities within are mutually exclusive:
- * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
- */
- /* Bits for algorithm_mkey (key exchange algorithm) */
- /* RSA key exchange */
- # define SSL_kRSA 0x00000001U
- /* tmp DH key no DH cert */
- # define SSL_kDHE 0x00000002U
- /* synonym */
- # define SSL_kEDH SSL_kDHE
- /* ECDH cert, RSA CA cert */
- # define SSL_kECDHr 0x00000004U
- /* ECDH cert, ECDSA CA cert */
- # define SSL_kECDHe 0x00000008U
- /* ephemeral ECDH */
- # define SSL_kECDHE 0x00000010U
- /* synonym */
- # define SSL_kEECDH SSL_kECDHE
- /* PSK */
- # define SSL_kPSK 0x00000020U
- /* GOST key exchange */
- # define SSL_kGOST 0x00000040U
- /* SRP */
- # define SSL_kSRP 0x00000080U
- # define SSL_kRSAPSK 0x00000100U
- # define SSL_kECDHEPSK 0x00000200U
- # define SSL_kDHEPSK 0x00000400U
- /* all PSK */
- #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
- /* Bits for algorithm_auth (server authentication) */
- /* RSA auth */
- # define SSL_aRSA 0x00000001U
- /* DSS auth */
- # define SSL_aDSS 0x00000002U
- /* no auth (i.e. use ADH or AECDH) */
- # define SSL_aNULL 0x00000004U
- /* Fixed ECDH auth (kECDHe or kECDHr) */
- # define SSL_aECDH 0x00000008U
- /* ECDSA auth*/
- # define SSL_aECDSA 0x00000010U
- /* PSK auth */
- # define SSL_aPSK 0x00000020U
- /* GOST R 34.10-2001 signature auth */
- # define SSL_aGOST01 0x00000040U
- /* SRP auth */
- # define SSL_aSRP 0x00000080U
- /* GOST R 34.10-2012 signature auth */
- # define SSL_aGOST12 0x00000100U
- /* Bits for algorithm_enc (symmetric encryption) */
- # define SSL_DES 0x00000001U
- # define SSL_3DES 0x00000002U
- # define SSL_RC4 0x00000004U
- # define SSL_RC2 0x00000008U
- # define SSL_IDEA 0x00000010U
- # define SSL_eNULL 0x00000020U
- # define SSL_AES128 0x00000040U
- # define SSL_AES256 0x00000080U
- # define SSL_CAMELLIA128 0x00000100U
- # define SSL_CAMELLIA256 0x00000200U
- # define SSL_eGOST2814789CNT 0x00000400U
- # define SSL_SEED 0x00000800U
- # define SSL_AES128GCM 0x00001000U
- # define SSL_AES256GCM 0x00002000U
- # define SSL_AES128CCM 0x00004000U
- # define SSL_AES256CCM 0x00008000U
- # define SSL_AES128CCM8 0x00010000U
- # define SSL_AES256CCM8 0x00020000U
- # define SSL_eGOST2814789CNT12 0x00040000U
- # define SSL_CHACHA20POLY1305 0x00080000U
- # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM|SSL_AES128CCM|SSL_AES256CCM|SSL_AES128CCM8|SSL_AES256CCM8)
- # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
- /* Bits for algorithm_mac (symmetric authentication) */
- # define SSL_MD5 0x00000001U
- # define SSL_SHA1 0x00000002U
- # define SSL_GOST94 0x00000004U
- # define SSL_GOST89MAC 0x00000008U
- # define SSL_SHA256 0x00000010U
- # define SSL_SHA384 0x00000020U
- /* Not a real MAC, just an indication it is part of cipher */
- # define SSL_AEAD 0x00000040U
- # define SSL_GOST12_256 0x00000080U
- # define SSL_GOST89MAC12 0x00000100U
- # define SSL_GOST12_512 0x00000200U
- /* Bits for algorithm_ssl (protocol version) */
- # define SSL_SSLV3 0x00000002U
- # define SSL_TLSV1 0x00000004U
- # define SSL_TLSV1_2 0x00000008U
- /*
- * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
- * sure to update this constant too
- */
- # define SSL_MD_MD5_IDX 0
- # define SSL_MD_SHA1_IDX 1
- # define SSL_MD_GOST94_IDX 2
- # define SSL_MD_GOST89MAC_IDX 3
- # define SSL_MD_SHA256_IDX 4
- # define SSL_MD_SHA384_IDX 5
- # define SSL_MD_GOST12_256_IDX 6
- # define SSL_MD_GOST89MAC12_IDX 7
- # define SSL_MD_GOST12_512_IDX 8
- # define SSL_MD_MD5_SHA1_IDX 9
- # define SSL_MD_SHA224_IDX 10
- # define SSL_MD_SHA512_IDX 11
- # define SSL_MAX_DIGEST 12
- /* Bits for algorithm2 (handshake digests and other extra flags) */
- /* Bits 0-7 are handshake MAC */
- # define SSL_HANDSHAKE_MAC_MASK 0xFF
- # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
- # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
- # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
- # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
- # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
- # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
- # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
- /* Bits 8-15 bits are PRF */
- # define TLS1_PRF_DGST_SHIFT 8
- # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
- # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
- /*
- * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
- * goes into algorithm2)
- */
- # define TLS1_STREAM_MAC 0x10000
- # define SSL_DEFAULT_MASK 0X00000020U
- # define SSL_STRONG_NONE 0x00000001U
- # define SSL_LOW 0x00000002U
- # define SSL_MEDIUM 0x00000004U
- # define SSL_HIGH 0x00000008U
- # define SSL_FIPS 0x00000010U
- # define SSL_NOT_DEFAULT 0x00000020U
- /* we have used 0000003f - 26 bits left to go */
- /* Check if an SSL structure is using DTLS */
- # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
- /* See if we need explicit IV */
- # define SSL_USE_EXPLICIT_IV(s) \
- (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
- /*
- * See if we use signature algorithms extension and signature algorithm
- * before signatures.
- */
- # define SSL_USE_SIGALGS(s) \
- (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
- /*
- * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
- * apply to others in future.
- */
- # define SSL_USE_TLS1_2_CIPHERS(s) \
- (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
- /*
- * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
- * flags because it may not be set to correct version yet.
- */
- # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
- ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \
- (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
- # ifdef TLSEXT_TYPE_encrypt_then_mac
- # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
- # else
- # define SSL_USE_ETM(s) (0)
- # endif
- /* Mostly for SSLv3 */
- # define SSL_PKEY_RSA_ENC 0
- # define SSL_PKEY_RSA_SIGN 1
- # define SSL_PKEY_DSA_SIGN 2
- # define SSL_PKEY_ECC 3
- # define SSL_PKEY_GOST01 4
- # define SSL_PKEY_GOST12_256 5
- # define SSL_PKEY_GOST12_512 6
- # define SSL_PKEY_NUM 7
- /*
- * Pseudo-constant. GOST cipher suites can use different certs for 1
- * SSL_CIPHER. So let's see which one we have in fact.
- */
- # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
- /*-
- * SSL_kRSA <- RSA_ENC
- * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
- * SSL_kDHE <- 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
- */
- /* CipherSuite length. SSLv3 and all TLS versions. */
- #define TLS_CIPHER_LEN 2
- /* used to hold info on the particular ciphers used */
- struct ssl_cipher_st {
- uint32_t valid;
- const char *name; /* text name */
- uint32_t id; /* id, 4 bytes, first is version */
- /*
- * changed in 1.0.0: these four used to be portions of a single value
- * 'algorithms'
- */
- uint32_t algorithm_mkey; /* key exchange algorithm */
- uint32_t algorithm_auth; /* server authentication */
- uint32_t algorithm_enc; /* symmetric encryption */
- uint32_t algorithm_mac; /* symmetric authentication */
- uint32_t algorithm_ssl; /* (major) protocol version */
- uint32_t algo_strength; /* strength and export flags */
- uint32_t algorithm2; /* Extra flags */
- int32_t strength_bits; /* Number of bits really used */
- uint32_t alg_bits; /* Number of bits for algorithm */
- };
- /* Used to hold SSL/TLS functions */
- struct ssl_method_st {
- int version;
- unsigned flags;
- unsigned long mask;
- int (*ssl_new) (SSL *s);
- void (*ssl_clear) (SSL *s);
- void (*ssl_free) (SSL *s);
- int (*ssl_accept) (SSL *s);
- int (*ssl_connect) (SSL *s);
- int (*ssl_read) (SSL *s, void *buf, int len);
- int (*ssl_peek) (SSL *s, void *buf, int len);
- int (*ssl_write) (SSL *s, const void *buf, int len);
- int (*ssl_shutdown) (SSL *s);
- int (*ssl_renegotiate) (SSL *s);
- int (*ssl_renegotiate_check) (SSL *s);
- int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
- unsigned char *buf, int len, int peek);
- int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len);
- int (*ssl_dispatch_alert) (SSL *s);
- long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg);
- long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg);
- const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr);
- int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr);
- int (*ssl_pending) (const SSL *s);
- int (*num_ciphers) (void);
- const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
- const struct ssl_method_st *(*get_ssl_method) (int version);
- long (*get_timeout) (void);
- const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
- int (*ssl_version) (void);
- long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void));
- long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void));
- };
- /*-
- * Lets make this into an ASN.1 type structure as follows
- * SSL_SESSION_ID ::= SEQUENCE {
- * version INTEGER, -- structure version number
- * SSLversion INTEGER, -- SSL version number
- * Cipher OCTET STRING, -- the 3 byte cipher ID
- * Session_ID OCTET STRING, -- the Session ID
- * Master_key OCTET STRING, -- the master key
- * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
- * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
- * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
- * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
- * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
- * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
- * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
- * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
- * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
- * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
- * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
- * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
- * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
- * flags [ 13 ] EXPLICIT INTEGER -- optional flags
- * }
- * Look in ssl/ssl_asn1.c for more details
- * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
- */
- struct ssl_session_st {
- int ssl_version; /* what ssl version session info is being
- * kept in here? */
- int master_key_length;
- unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
- /* session_id - valid? */
- unsigned int session_id_length;
- unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
- /*
- * this is used to determine whether the session is being reused in the
- * appropriate context. It is up to the application to set this, via
- * SSL_new
- */
- unsigned int sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
- # ifndef OPENSSL_NO_PSK
- char *psk_identity_hint;
- char *psk_identity;
- # endif
- /*
- * Used to indicate that session resumption is not allowed. Applications
- * can also set this bit for a new session via not_resumable_session_cb
- * to disable session caching and tickets.
- */
- int not_resumable;
- /* This is the cert and type for the other end. */
- X509 *peer;
- int peer_type;
- /* Certificate chain of peer */
- STACK_OF(X509) *peer_chain;
- /*
- * when app_verify_callback accepts a session where the peer's
- * certificate is not ok, we must remember the error for session reuse:
- */
- long verify_result; /* only for servers */
- int references;
- long timeout;
- long time;
- unsigned int compress_meth; /* Need to lookup the method */
- const SSL_CIPHER *cipher;
- unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used
- * to load the 'cipher' structure */
- STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
- CRYPTO_EX_DATA ex_data; /* application specific data */
- /*
- * These are used to make removal of session-ids more efficient and to
- * implement a maximum cache size.
- */
- struct ssl_session_st *prev, *next;
- char *tlsext_hostname;
- # ifndef OPENSSL_NO_EC
- size_t tlsext_ecpointformatlist_length;
- unsigned char *tlsext_ecpointformatlist; /* peer's list */
- size_t tlsext_ellipticcurvelist_length;
- unsigned char *tlsext_ellipticcurvelist; /* peer's list */
- # endif /* OPENSSL_NO_EC */
- /* RFC4507 info */
- unsigned char *tlsext_tick; /* Session ticket */
- size_t tlsext_ticklen; /* Session ticket length */
- unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
- # ifndef OPENSSL_NO_SRP
- char *srp_username;
- # endif
- uint32_t flags;
- };
- /* Extended master secret support */
- # define SSL_SESS_FLAG_EXTMS 0x1
- # ifndef OPENSSL_NO_SRP
- typedef struct srp_ctx_st {
- /* param for all the callbacks */
- void *SRP_cb_arg;
- /* set client Hello login callback */
- int (*TLS_ext_srp_username_callback) (SSL *, int *, void *);
- /* set SRP N/g param callback for verification */
- int (*SRP_verify_param_callback) (SSL *, void *);
- /* set SRP client passwd callback */
- char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *);
- char *login;
- BIGNUM *N, *g, *s, *B, *A;
- BIGNUM *a, *b, *v;
- char *info;
- int strength;
- unsigned long srp_Mask;
- } SRP_CTX;
- # endif
- struct ssl_comp_st {
- int id;
- const char *name;
- COMP_METHOD *method;
- };
- DEFINE_LHASH_OF(SSL_SESSION);
- struct ssl_ctx_st {
- const SSL_METHOD *method;
- STACK_OF(SSL_CIPHER) *cipher_list;
- /* same as above but sorted for lookup */
- STACK_OF(SSL_CIPHER) *cipher_list_by_id;
- struct x509_store_st /* X509_STORE */ *cert_store;
- LHASH_OF(SSL_SESSION) *sessions;
- /*
- * Most session-ids that will be cached, default is
- * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
- */
- unsigned long session_cache_size;
- struct ssl_session_st *session_cache_head;
- struct ssl_session_st *session_cache_tail;
- /*
- * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
- * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
- * means only SSL_accept which cache SSL_SESSIONS.
- */
- uint32_t session_cache_mode;
- /*
- * If timeout is not 0, it is the default timeout value set when
- * SSL_new() is called. This has been put in to make life easier to set
- * things up
- */
- long session_timeout;
- /*
- * If this callback is not null, it will be called each time a session id
- * is added to the cache. If this function returns 1, it means that the
- * callback will do a SSL_SESSION_free() when it has finished using it.
- * Otherwise, on 0, it means the callback has finished with it. If
- * remove_session_cb is not null, it will be called when a session-id is
- * removed from the cache. After the call, OpenSSL will
- * SSL_SESSION_free() it.
- */
- int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
- void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
- SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
- unsigned char *data, int len, int *copy);
- struct {
- int sess_connect; /* SSL new conn - started */
- int sess_connect_renegotiate; /* SSL reneg - requested */
- int sess_connect_good; /* SSL new conne/reneg - finished */
- int sess_accept; /* SSL new accept - started */
- int sess_accept_renegotiate; /* SSL reneg - requested */
- int sess_accept_good; /* SSL accept/reneg - finished */
- int sess_miss; /* session lookup misses */
- int sess_timeout; /* reuse attempt on timeouted session */
- int sess_cache_full; /* session removed due to full cache */
- int sess_hit; /* session reuse actually done */
- int sess_cb_hit; /* session-id that was not in the cache was
- * passed back via the callback. This
- * indicates that the application is
- * supplying session-id's from other
- * processes - spooky :-) */
- } stats;
- int references;
- /* if defined, these override the X509_verify_cert() calls */
- int (*app_verify_callback) (X509_STORE_CTX *, void *);
- void *app_verify_arg;
- /*
- * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
- * ('app_verify_callback' was called with just one argument)
- */
- /* Default password callback. */
- pem_password_cb *default_passwd_callback;
- /* Default password callback user data. */
- void *default_passwd_callback_userdata;
- /* get client cert callback */
- int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey);
- /* cookie generate callback */
- int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie,
- unsigned int *cookie_len);
- /* verify cookie callback */
- int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie,
- unsigned int cookie_len);
- CRYPTO_EX_DATA ex_data;
- const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */
- const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */
- STACK_OF(X509) *extra_certs;
- STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
- /* Default values used when no per-SSL value is defined follow */
- /* used if SSL's info_callback is NULL */
- void (*info_callback) (const SSL *ssl, int type, int val);
- /* what we put in client cert requests */
- STACK_OF(X509_NAME) *client_CA;
- /*
- * Default values to use in SSL structures follow (these are copied by
- * SSL_new)
- */
- uint32_t options;
- uint32_t mode;
- int min_proto_version;
- int max_proto_version;
- long max_cert_list;
- struct cert_st /* CERT */ *cert;
- int read_ahead;
- /* callback that allows applications to peek at protocol messages */
- void (*msg_callback) (int write_p, int version, int content_type,
- const void *buf, size_t len, SSL *ssl, void *arg);
- void *msg_callback_arg;
- uint32_t verify_mode;
- unsigned int sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
- /* called 'verify_callback' in the SSL */
- int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx);
- /* Default generate session ID callback. */
- GEN_SESSION_CB generate_session_id;
- X509_VERIFY_PARAM *param;
- int quiet_shutdown;
- /*
- * Maximum amount of data to send in one fragment. actual record size can
- * be more than this due to padding and MAC overheads.
- */
- unsigned int max_send_fragment;
- # ifndef OPENSSL_NO_ENGINE
- /*
- * Engine to pass requests for client certs to
- */
- ENGINE *client_cert_engine;
- # endif
- /* TLS extensions servername callback */
- int (*tlsext_servername_callback) (SSL *, int *, void *);
- void *tlsext_servername_arg;
- /* RFC 4507 session ticket keys */
- unsigned char tlsext_tick_key_name[16];
- unsigned char tlsext_tick_hmac_key[16];
- unsigned char tlsext_tick_aes_key[16];
- /* Callback to support customisation of ticket key setting */
- int (*tlsext_ticket_key_cb) (SSL *ssl,
- unsigned char *name, unsigned char *iv,
- EVP_CIPHER_CTX *ectx,
- HMAC_CTX *hctx, int enc);
- /* certificate status request info */
- /* Callback for status request */
- int (*tlsext_status_cb) (SSL *ssl, void *arg);
- void *tlsext_status_arg;
- # ifndef OPENSSL_NO_PSK
- unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
- char *identity,
- unsigned int max_identity_len,
- unsigned char *psk,
- unsigned int max_psk_len);
- unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
- unsigned char *psk,
- unsigned int max_psk_len);
- # endif
- # ifndef OPENSSL_NO_SRP
- SRP_CTX srp_ctx; /* ctx for SRP authentication */
- # endif
- # ifndef OPENSSL_NO_NEXTPROTONEG
- /* Next protocol negotiation information */
- /* (for experimental NPN extension). */
- /*
- * For a server, this contains a callback function by which the set of
- * advertised protocols can be provided.
- */
- int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf,
- unsigned int *len, void *arg);
- void *next_protos_advertised_cb_arg;
- /*
- * For a client, this contains a callback function that selects the next
- * protocol from the list provided by the server.
- */
- int (*next_proto_select_cb) (SSL *s, unsigned char **out,
- unsigned char *outlen,
- const unsigned char *in,
- unsigned int inlen, void *arg);
- void *next_proto_select_cb_arg;
- # endif
- /*
- * ALPN information (we are in the process of transitioning from NPN to
- * ALPN.)
- */
- /*-
- * For a server, this contains a callback function that allows the
- * server to select the protocol for the connection.
- * out: on successful return, this must point to the raw protocol
- * name (without the length prefix).
- * outlen: on successful return, this contains the length of |*out|.
- * in: points to the client's list of supported protocols in
- * wire-format.
- * inlen: the length of |in|.
- */
- int (*alpn_select_cb) (SSL *s,
- const unsigned char **out,
- unsigned char *outlen,
- const unsigned char *in,
- unsigned int inlen, void *arg);
- void *alpn_select_cb_arg;
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn_client_proto_list;
- unsigned alpn_client_proto_list_len;
- /* Shared DANE context */
- struct dane_ctx_st dane;
- /* SRTP profiles we are willing to do from RFC 5764 */
- STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
- /*
- * Callback for disabling session caching and ticket support on a session
- * basis, depending on the chosen cipher.
- */
- int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
- # ifndef OPENSSL_NO_EC
- /* EC extension values inherited by SSL structure */
- size_t tlsext_ecpointformatlist_length;
- unsigned char *tlsext_ecpointformatlist;
- size_t tlsext_ellipticcurvelist_length;
- unsigned char *tlsext_ellipticcurvelist;
- # endif /* OPENSSL_NO_EC */
- };
- struct ssl_st {
- /*
- * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
- * DTLS1_VERSION)
- */
- int version;
- /* SSLv3 */
- const SSL_METHOD *method;
- /*
- * There are 2 BIO's even though they are normally both the same. This
- * is so data can be read and written to different handlers
- */
- /* used by SSL_read */
- BIO *rbio;
- /* used by SSL_write */
- BIO *wbio;
- /* used during session-id reuse to concatenate messages */
- BIO *bbio;
- /*
- * This holds a variable that indicates what we were doing when a 0 or -1
- * is returned. This is needed for non-blocking IO so we know what
- * request needs re-doing when in SSL_accept or SSL_connect
- */
- int rwstate;
- int (*handshake_func) (SSL *);
- /*
- * Imagine that here's a boolean member "init" that is switched as soon
- * as SSL_set_{accept/connect}_state is called for the first time, so
- * that "state" and "handshake_func" are properly initialized. But as
- * handshake_func is == 0 until then, we use this test instead of an
- * "init" member.
- */
- /* are we the server side? */
- int server;
- /*
- * Generate a new session or reuse an old one.
- * NB: For servers, the 'new' session may actually be a previously
- * cached session or even the previous session unless
- * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
- */
- int new_session;
- /* don't send shutdown packets */
- int quiet_shutdown;
- /* we have shut things down, 0x01 sent, 0x02 for received */
- int shutdown;
- /* where we are */
- OSSL_STATEM statem;
- BUF_MEM *init_buf; /* buffer used during init */
- void *init_msg; /* pointer to handshake message body, set by
- * ssl3_get_message() */
- int init_num; /* amount read/written */
- int init_off; /* amount read/written */
- struct ssl3_state_st *s3; /* SSLv3 variables */
- struct dtls1_state_st *d1; /* DTLSv1 variables */
- /* callback that allows applications to peek at protocol messages */
- void (*msg_callback) (int write_p, int version, int content_type,
- const void *buf, size_t len, SSL *ssl, void *arg);
- void *msg_callback_arg;
- int hit; /* reusing a previous session */
- X509_VERIFY_PARAM *param;
- /* Per connection DANE state */
- struct dane_st dane;
- /* crypto */
- STACK_OF(SSL_CIPHER) *cipher_list;
- STACK_OF(SSL_CIPHER) *cipher_list_by_id;
- /*
- * These are the ones being used, the ones in SSL_SESSION are the ones to
- * be 'copied' into these ones
- */
- uint32_t mac_flags;
- EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
- EVP_MD_CTX *read_hash; /* used for mac generation */
- COMP_CTX *compress; /* compression */
- COMP_CTX *expand; /* uncompress */
- EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
- EVP_MD_CTX *write_hash; /* used for mac generation */
- /* session info */
- /* client cert? */
- /* This is used to hold the server certificate used */
- struct cert_st /* CERT */ *cert;
- /*
- * the session_id_context is used to ensure sessions are only reused in
- * the appropriate context
- */
- unsigned int sid_ctx_length;
- unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
- /* This can also be in the session once a session is established */
- SSL_SESSION *session;
- /* Default generate session ID callback. */
- GEN_SESSION_CB generate_session_id;
- /* Used in SSL3 */
- /*
- * 0 don't care about verify failure.
- * 1 fail if verify fails
- */
- uint32_t verify_mode;
- /* fail if callback returns 0 */
- int (*verify_callback) (int ok, X509_STORE_CTX *ctx);
- /* optional informational callback */
- void (*info_callback) (const SSL *ssl, int type, int val);
- /* error bytes to be written */
- int error;
- /* actual code */
- int error_code;
- # ifndef OPENSSL_NO_PSK
- unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
- char *identity,
- unsigned int max_identity_len,
- unsigned char *psk,
- unsigned int max_psk_len);
- unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
- unsigned char *psk,
- unsigned int max_psk_len);
- # endif
- SSL_CTX *ctx;
- /* extra application data */
- long verify_result;
- CRYPTO_EX_DATA ex_data;
- /* for server side, keep the list of CA_dn we can use */
- STACK_OF(X509_NAME) *client_CA;
- int references;
- /* protocol behaviour */
- uint32_t options;
- /* API behaviour */
- uint32_t mode;
- int min_proto_version;
- int max_proto_version;
- long max_cert_list;
- int first_packet;
- /* what was passed, used for SSLv3/TLS rollback check */
- int client_version;
- unsigned int max_send_fragment;
- /* TLS extension debug callback */
- void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
- unsigned char *data, int len, void *arg);
- void *tlsext_debug_arg;
- char *tlsext_hostname;
- /*-
- * no further mod of servername
- * 0 : call the servername extension callback.
- * 1 : prepare 2, allow last ack just after in server callback.
- * 2 : don't call servername callback, no ack in server hello
- */
- int servername_done;
- /* certificate status request info */
- /* Status type or -1 if no status type */
- int tlsext_status_type;
- /* Expect OCSP CertificateStatus message */
- int tlsext_status_expected;
- /* OCSP status request only */
- STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
- X509_EXTENSIONS *tlsext_ocsp_exts;
- /* OCSP response received or to be sent */
- unsigned char *tlsext_ocsp_resp;
- int tlsext_ocsp_resplen;
- /* RFC4507 session ticket expected to be received or sent */
- int tlsext_ticket_expected;
- # ifndef OPENSSL_NO_EC
- size_t tlsext_ecpointformatlist_length;
- /* our list */
- unsigned char *tlsext_ecpointformatlist;
- size_t tlsext_ellipticcurvelist_length;
- /* our list */
- unsigned char *tlsext_ellipticcurvelist;
- # endif /* OPENSSL_NO_EC */
- /* TLS Session Ticket extension override */
- TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
- /* TLS Session Ticket extension callback */
- tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
- void *tls_session_ticket_ext_cb_arg;
- /* TLS pre-shared secret session resumption */
- tls_session_secret_cb_fn tls_session_secret_cb;
- void *tls_session_secret_cb_arg;
- SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */
- # ifndef OPENSSL_NO_NEXTPROTONEG
- /*
- * Next protocol negotiation. For the client, this is the protocol that
- * we sent in NextProtocol and is set when handling ServerHello
- * extensions. For a server, this is the client's selected_protocol from
- * NextProtocol and is set when handling the NextProtocol message, before
- * the Finished message.
- */
- unsigned char *next_proto_negotiated;
- unsigned char next_proto_negotiated_len;
- # endif
- # define session_ctx initial_ctx
- /* What we'll do */
- STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
- /* What's been chosen */
- SRTP_PROTECTION_PROFILE *srtp_profile;
- /*-
- * Is use of the Heartbeat extension negotiated?
- * 0: disabled
- * 1: enabled
- * 2: enabled, but not allowed to send Requests
- */
- unsigned int tlsext_heartbeat;
- /* Indicates if a HeartbeatRequest is in flight */
- unsigned int tlsext_hb_pending;
- /* HeartbeatRequest sequence number */
- unsigned int tlsext_hb_seq;
- /*
- * For a client, this contains the list of supported protocols in wire
- * format.
- */
- unsigned char *alpn_client_proto_list;
- unsigned alpn_client_proto_list_len;
- /*-
- * 1 if we are renegotiating.
- * 2 if we are a server and are inside a handshake
- * (i.e. not just sending a HelloRequest)
- */
- int renegotiate;
- # ifndef OPENSSL_NO_SRP
- /* ctx for SRP authentication */
- SRP_CTX srp_ctx;
- # endif
- /*
- * Callback for disabling session caching and ticket support on a session
- * basis, depending on the chosen cipher.
- */
- int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
-
- RECORD_LAYER rlayer;
- /* Default password callback. */
- pem_password_cb *default_passwd_callback;
- /* Default password callback user data. */
- void *default_passwd_callback_userdata;
- /* Async Job info */
- ASYNC_JOB *job;
- };
- typedef struct ssl3_state_st {
- long flags;
- int read_mac_secret_size;
- unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
- int write_mac_secret_size;
- unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
- unsigned char server_random[SSL3_RANDOM_SIZE];
- unsigned char client_random[SSL3_RANDOM_SIZE];
- /* flags for countermeasure against known-IV weakness */
- int need_empty_fragments;
- int empty_fragment_done;
- /* used during startup, digest all incoming/outgoing packets */
- BIO *handshake_buffer;
- /*
- * When handshake digest is determined, buffer is hashed and
- * freed and MD_CTX for the required digest is stored here.
- */
- EVP_MD_CTX *handshake_dgst;
- /*
- * Set whenever an expected ChangeCipherSpec message is processed.
- * Unset when the peer's Finished message is received.
- * Unexpected ChangeCipherSpec messages trigger a fatal alert.
- */
- int change_cipher_spec;
- int warn_alert;
- int fatal_alert;
- /*
- * we allow one fatal and one warning alert to be outstanding, send close
- * alert via the warning alert
- */
- int alert_dispatch;
- unsigned char send_alert[2];
- /*
- * This flag is set when we should renegotiate ASAP, basically when there
- * is no more data in the read or write buffers
- */
- int renegotiate;
- int total_renegotiations;
- int num_renegotiations;
- int in_read_app_data;
- struct {
- /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
- unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
- int finish_md_len;
- unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
- int peer_finish_md_len;
- unsigned long message_size;
- int message_type;
- /* used to hold the new cipher we are going to use */
- const SSL_CIPHER *new_cipher;
- # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
- EVP_PKEY *pkey; /* holds short lived DH/ECDH key */
- # endif
- /* used for certificate requests */
- int cert_req;
- int ctype_num;
- char ctype[SSL3_CT_NUMBER];
- STACK_OF(X509_NAME) *ca_names;
- int key_block_length;
- unsigned char *key_block;
- const EVP_CIPHER *new_sym_enc;
- const EVP_MD *new_hash;
- int new_mac_pkey_type;
- int new_mac_secret_size;
- # ifndef OPENSSL_NO_COMP
- const SSL_COMP *new_compression;
- # else
- char *new_compression;
- # endif
- int cert_request;
- /* Raw values of the cipher list from a client */
- unsigned char *ciphers_raw;
- size_t ciphers_rawlen;
- /* Temporary storage for premaster secret */
- unsigned char *pms;
- size_t pmslen;
- #ifndef OPENSSL_NO_PSK
- /* Temporary storage for PSK key */
- unsigned char *psk;
- size_t psklen;
- #endif
- /*
- * signature algorithms peer reports: e.g. supported signature
- * algorithms extension for server or as part of a certificate
- * request for client.
- */
- unsigned char *peer_sigalgs;
- /* Size of above array */
- size_t peer_sigalgslen;
- /* Digest peer uses for signing */
- const EVP_MD *peer_md;
- /* Array of digests used for signing */
- const EVP_MD *md[SSL_PKEY_NUM];
- /*
- * Set if corresponding CERT_PKEY can be used with current
- * SSL session: e.g. appropriate curve, signature algorithms etc.
- * If zero it can't be used at all.
- */
- uint32_t valid_flags[SSL_PKEY_NUM];
- /*
- * For servers the following masks are for the key and auth algorithms
- * that are supported by the certs below. For clients they are masks of
- * *disabled* algorithms based on the current session.
- */
- uint32_t mask_k;
- uint32_t mask_a;
- /* Client only */
- uint32_t mask_ssl;
- } tmp;
- /* Connection binding to prevent renegotiation attacks */
- unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_client_finished_len;
- unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
- unsigned char previous_server_finished_len;
- int send_connection_binding; /* TODOEKR */
- # ifndef OPENSSL_NO_NEXTPROTONEG
- /*
- * Set if we saw the Next Protocol Negotiation extension from our peer.
- */
- int next_proto_neg_seen;
- # endif
- /*
- * ALPN information (we are in the process of transitioning from NPN to
- * ALPN.)
- */
- /*
- * In a server these point to the selected ALPN protocol after the
- * ClientHello has been processed. In a client these contain the protocol
- * that the server selected once the ServerHello has been processed.
- */
- unsigned char *alpn_selected;
- unsigned alpn_selected_len;
- # ifndef OPENSSL_NO_EC
- /*
- * This is set to true if we believe that this is a version of Safari
- * running on OS X 10.6 or newer. We wish to know this because Safari on
- * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
- */
- char is_probably_safari;
- # endif /* !OPENSSL_NO_EC */
- /* For clients: peer temporary key */
- # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
- EVP_PKEY *peer_tmp;
- # endif
- } SSL3_STATE;
- /* DTLS structures */
- # ifndef OPENSSL_NO_SCTP
- # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
- # endif
- /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
- # define DTLS1_MAX_MTU_OVERHEAD 48
- /*
- * Flag used in message reuse to indicate the buffer contains the record
- * header as well as the the handshake message header.
- */
- # define DTLS1_SKIP_RECORD_HEADER 2
- struct dtls1_retransmit_state {
- EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
- EVP_MD_CTX *write_hash; /* used for mac generation */
- COMP_CTX *compress; /* compression */
- SSL_SESSION *session;
- unsigned short epoch;
- };
- struct hm_header_st {
- unsigned char type;
- unsigned long msg_len;
- unsigned short seq;
- unsigned long frag_off;
- unsigned long frag_len;
- unsigned int is_ccs;
- struct dtls1_retransmit_state saved_retransmit_state;
- };
- struct dtls1_timeout_st {
- /* Number of read timeouts so far */
- unsigned int read_timeouts;
- /* Number of write timeouts so far */
- unsigned int write_timeouts;
- /* Number of alerts received so far */
- unsigned int num_alerts;
- };
- typedef struct hm_fragment_st {
- struct hm_header_st msg_header;
- unsigned char *fragment;
- unsigned char *reassembly;
- } hm_fragment;
- typedef struct dtls1_state_st {
- unsigned char cookie[DTLS1_COOKIE_LENGTH];
- unsigned int cookie_len;
- unsigned int cookie_verified;
- /* handshake message numbers */
- unsigned short handshake_write_seq;
- unsigned short next_handshake_write_seq;
- unsigned short handshake_read_seq;
- /* Buffered handshake messages */
- pqueue buffered_messages;
- /* Buffered (sent) handshake records */
- pqueue sent_messages;
- unsigned int link_mtu; /* max on-the-wire DTLS packet size */
- unsigned int mtu; /* max DTLS packet size */
- struct hm_header_st w_msg_hdr;
- struct hm_header_st r_msg_hdr;
- struct dtls1_timeout_st timeout;
- /*
- * Indicates when the last handshake msg or heartbeat sent will timeout
- */
- struct timeval next_timeout;
- /* Timeout duration */
- unsigned short timeout_duration;
- unsigned int retransmitting;
- # ifndef OPENSSL_NO_SCTP
- int shutdown_received;
- # endif
- } DTLS1_STATE;
- # 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;
- /* Chain for this certificate */
- STACK_OF(X509) *chain;
- /*-
- * serverinfo data for this certificate. The data is in TLS Extension
- * wire format, specifically it's a series of records like:
- * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
- * uint16_t length;
- * uint8_t data[length];
- */
- unsigned char *serverinfo;
- size_t serverinfo_length;
- } CERT_PKEY;
- /* Retrieve Suite B flags */
- # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
- /* Uses to check strict mode: suite B modes are always strict */
- # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
- (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
- typedef struct {
- unsigned short ext_type;
- /*
- * Per-connection flags relating to this extension type: not used if
- * part of an SSL_CTX structure.
- */
- uint32_t ext_flags;
- custom_ext_add_cb add_cb;
- custom_ext_free_cb free_cb;
- void *add_arg;
- custom_ext_parse_cb parse_cb;
- void *parse_arg;
- } custom_ext_method;
- /* ext_flags values */
- /*
- * Indicates an extension has been received. Used to check for unsolicited or
- * duplicate extensions.
- */
- # define SSL_EXT_FLAG_RECEIVED 0x1
- /*
- * Indicates an extension has been sent: used to enable sending of
- * corresponding ServerHello extension.
- */
- # define SSL_EXT_FLAG_SENT 0x2
- typedef struct {
- custom_ext_method *meths;
- size_t meths_count;
- } custom_ext_methods;
- 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;
- # ifndef OPENSSL_NO_DH
- EVP_PKEY *dh_tmp;
- DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
- int dh_tmp_auto;
- # endif
- /* Flags related to certificates */
- uint32_t cert_flags;
- CERT_PKEY pkeys[SSL_PKEY_NUM];
- /*
- * Certificate types (received or sent) in certificate request message.
- * On receive this is only set if number of certificate types exceeds
- * SSL3_CT_NUMBER.
- */
- unsigned char *ctypes;
- size_t ctype_num;
- /*
- * suppported signature algorithms. When set on a client this is sent in
- * the client hello as the supported signature algorithms extension. For
- * servers it represents the signature algorithms we are willing to use.
- */
- unsigned char *conf_sigalgs;
- /* Size of above array */
- size_t conf_sigalgslen;
- /*
- * Client authentication signature algorithms, if not set then uses
- * conf_sigalgs. On servers these will be the signature algorithms sent
- * to the client in a cerificate request for TLS 1.2. On a client this
- * represents the signature algortithms we are willing to use for client
- * authentication.
- */
- unsigned char *client_sigalgs;
- /* Size of above array */
- size_t client_sigalgslen;
- /*
- * Signature algorithms shared by client and server: cached because these
- * are used most often.
- */
- TLS_SIGALGS *shared_sigalgs;
- size_t shared_sigalgslen;
- /*
- * Certificate setup callback: if set is called whenever a certificate
- * may be required (client or server). the callback can then examine any
- * appropriate parameters and setup any certificates required. This
- * allows advanced applications to select certificates on the fly: for
- * example based on supported signature algorithms or curves.
- */
- int (*cert_cb) (SSL *ssl, void *arg);
- void *cert_cb_arg;
- /*
- * Optional X509_STORE for chain building or certificate validation If
- * NULL the parent SSL_CTX store is used instead.
- */
- X509_STORE *chain_store;
- X509_STORE *verify_store;
- /* Custom extension methods for server and client */
- custom_ext_methods cli_ext;
- custom_ext_methods srv_ext;
- /* Security callback */
- int (*sec_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid,
- void *other, void *ex);
- /* Security level */
- int sec_level;
- void *sec_ex;
- #ifndef OPENSSL_NO_PSK
- /* If not NULL psk identity hint to use for servers */
- char *psk_identity_hint;
- #endif
- int references; /* >1 only if SSL_copy_session_id is used */
- } CERT;
- /* Structure containing decoded values of signature algorithms extension */
- struct tls_sigalgs_st {
- /* NID of hash algorithm */
- int hash_nid;
- /* NID of signature algorithm */
- int sign_nid;
- /* Combined hash and signature NID */
- int signandhash_nid;
- /* Raw values used in extension */
- unsigned char rsign;
- unsigned char rhash;
- };
- /*
- * #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 *))
- /*
- * 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;
- 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);
- /* Various flags indicating protocol version requirements */
- uint32_t enc_flags;
- /* Handshake header length */
- unsigned int hhlen;
- /* Set the handshake header */
- int (*set_handshake_header) (SSL *s, int type, unsigned long len);
- /* Write out handshake message */
- int (*do_write) (SSL *s);
- } SSL3_ENC_METHOD;
- # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
- # define ssl_handshake_start(s) \
- (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
- # define ssl_set_handshake_header(s, htype, len) \
- s->method->ssl3_enc->set_handshake_header(s, htype, len)
- # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
- /* Values for enc_flags */
- /* Uses explicit IV for CBC mode */
- # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
- /* Uses signature algorithms extension */
- # define SSL_ENC_FLAG_SIGALGS 0x2
- /* Uses SHA256 default PRF */
- # define SSL_ENC_FLAG_SHA256_PRF 0x4
- /* Is DTLS */
- # define SSL_ENC_FLAG_DTLS 0x8
- /*
- * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
- * apply to others in future.
- */
- # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
- # 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
- extern SSL3_ENC_METHOD ssl3_undef_enc_method;
- OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[];
- SSL_METHOD *ssl_bad_method(int ver);
- extern const SSL3_ENC_METHOD TLSv1_enc_data;
- extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
- extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
- extern const SSL3_ENC_METHOD SSLv3_enc_data;
- extern const SSL3_ENC_METHOD DTLSv1_enc_data;
- extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
- /*
- * Flags for SSL methods
- */
- #define SSL_METHOD_NO_FIPS (1U<<0)
- #define SSL_METHOD_NO_SUITEB (1U<<1)
- # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
- s_connect, s_get_meth, enc_data) \
- const SSL_METHOD *func_name(void) \
- { \
- static const SSL_METHOD func_name##_data= { \
- version, \
- flags, \
- mask, \
- tls1_new, \
- tls1_clear, \
- tls1_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- ssl3_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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, \
- &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, \
- SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
- SSL_OP_NO_SSLv3, \
- ssl3_new, \
- ssl3_clear, \
- ssl3_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- ssl3_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
- s_connect, s_get_meth, enc_data) \
- const SSL_METHOD *func_name(void) \
- { \
- static const SSL_METHOD func_name##_data= { \
- version, \
- flags, \
- mask, \
- dtls1_new, \
- dtls1_clear, \
- dtls1_free, \
- s_accept, \
- s_connect, \
- ssl3_read, \
- ssl3_peek, \
- ssl3_write, \
- dtls1_shutdown, \
- ssl3_renegotiate, \
- ssl3_renegotiate_check, \
- 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, \
- &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,
- unsigned char *p, unsigned int length);
- int (*p_dtls1_process_heartbeat) (SSL *s,
- unsigned char *p, unsigned int length);
- };
- # ifndef OPENSSL_UNIT_TEST
- void ssl_clear_cipher_ctx(SSL *s);
- int ssl_clear_bad_session(SSL *s);
- __owur CERT *ssl_cert_new(void);
- __owur CERT *ssl_cert_dup(CERT *cert);
- void ssl_cert_clear_certs(CERT *c);
- void ssl_cert_free(CERT *c);
- __owur int ssl_get_new_session(SSL *s, int session);
- __owur int ssl_get_prev_session(SSL *s, const PACKET *ext,
- const PACKET *session_id);
- __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
- __owur 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);
- __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
- const SSL_CIPHER *const *bp);
- __owur 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, CERT *c);
- void ssl_update_cache(SSL *s, int mode);
- __owur 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 use_etm);
- __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
- __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
- __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
- __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
- __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
- __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
- __owur int ssl_cert_select_current(CERT *c, X509 *x);
- __owur int ssl_cert_set_current(CERT *c, long arg);
- __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
- void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg),
- void *arg);
- __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
- __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
- __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
- __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
- __owur int ssl_security(SSL *s, int op, int bits, int nid, void *other);
- __owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other);
- int ssl_undefined_function(SSL *s);
- __owur int ssl_undefined_void_function(void);
- __owur int ssl_undefined_const_function(const SSL *s);
- __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s);
- __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
- size_t *serverinfo_length);
- __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
- __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
- void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher);
- __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
- __owur int ssl_verify_alarm_type(long type);
- void ssl_load_ciphers(void);
- __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
- __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen,
- int free_pms);
- __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm, int nid);
- __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey);
- __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh);
- __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
- __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
- void ssl3_init_finished_mac(SSL *s);
- __owur int ssl3_setup_key_block(SSL *s);
- __owur int ssl3_change_cipher_state(SSL *s, int which);
- void ssl3_cleanup_key_block(SSL *s);
- __owur int ssl3_do_write(SSL *s, int type);
- int ssl3_send_alert(SSL *s, int level, int desc);
- __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, int len);
- __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
- __owur int ssl3_num_ciphers(void);
- __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
- int ssl3_renegotiate(SSL *ssl);
- int ssl3_renegotiate_check(SSL *ssl);
- __owur int ssl3_dispatch_alert(SSL *s);
- __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
- unsigned char *p);
- void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
- void ssl3_free_digest_list(SSL *s);
- __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
- __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
- STACK_OF(SSL_CIPHER) *clnt,
- STACK_OF(SSL_CIPHER) *srvr);
- __owur int ssl3_digest_cached_records(SSL *s, int keep);
- __owur int ssl3_new(SSL *s);
- void ssl3_free(SSL *s);
- __owur int ssl3_read(SSL *s, void *buf, int len);
- __owur int ssl3_peek(SSL *s, void *buf, int len);
- __owur int ssl3_write(SSL *s, const void *buf, int len);
- __owur int ssl3_shutdown(SSL *s);
- void ssl3_clear(SSL *s);
- __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
- __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
- __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
- __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
- __owur int ssl3_do_change_cipher_spec(SSL *ssl);
- __owur long ssl3_default_timeout(void);
- __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
- __owur int ssl3_handshake_write(SSL *s);
- __owur int ssl_allow_compression(SSL *s);
- __owur int ssl_set_client_hello_version(SSL *s);
- __owur int ssl_check_version_downgrade(SSL *s);
- __owur int ssl_set_version_bound(int method_version, int version, int *bound);
- __owur int ssl_choose_server_version(SSL *s);
- __owur int ssl_choose_client_version(SSL *s, int version);
- __owur long tls1_default_timeout(void);
- __owur int dtls1_do_write(SSL *s, int type);
- void dtls1_set_message_header(SSL *s,
- unsigned char *p, unsigned char mt,
- unsigned long len,
- unsigned long frag_off,
- unsigned long frag_len);
- __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
- __owur int dtls1_read_failed(SSL *s, int code);
- __owur int dtls1_buffer_message(SSL *s, int ccs);
- __owur int dtls1_retransmit_message(SSL *s, unsigned short seq,
- unsigned long frag_off, int *found);
- __owur 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);
- __owur long dtls1_default_timeout(void);
- __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
- __owur int dtls1_check_timeout_num(SSL *s);
- __owur int dtls1_handle_timeout(SSL *s);
- __owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
- void dtls1_start_timer(SSL *s);
- void dtls1_stop_timer(SSL *s);
- __owur int dtls1_is_timer_expired(SSL *s);
- void dtls1_double_timeout(SSL *s);
- __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf,
- unsigned char *cookie,
- unsigned char cookie_len);
- __owur int dtls1_send_newsession_ticket(SSL *s);
- __owur unsigned int dtls1_min_mtu(SSL *s);
- void dtls1_hm_fragment_free(hm_fragment *frag);
- __owur int dtls1_query_mtu(SSL *s);
- __owur 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));
- __owur int dtls1_new(SSL *s);
- void dtls1_free(SSL *s);
- void dtls1_clear(SSL *s);
- long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
- __owur int dtls1_shutdown(SSL *s);
- __owur int dtls1_dispatch_alert(SSL *s);
- __owur int ssl_init_wbio_buffer(SSL *s, int push);
- void ssl_free_wbio_buffer(SSL *s);
- __owur int tls1_change_cipher_state(SSL *s, int which);
- __owur int tls1_setup_key_block(SSL *s);
- __owur int tls1_final_finish_mac(SSL *s,
- const char *str, int slen, unsigned char *p);
- __owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
- unsigned char *p, int len);
- __owur 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);
- __owur int tls1_alert_code(int code);
- __owur int ssl3_alert_code(int code);
- __owur int ssl_ok(SSL *s);
- # ifndef OPENSSL_NO_EC
- __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
- # endif
- SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
- # ifndef OPENSSL_NO_EC
- __owur int tls1_ec_curve_id2nid(int curve_id);
- __owur int tls1_ec_nid2curve_id(int nid);
- __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
- __owur int tls1_shared_curve(SSL *s, int nmatch);
- __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen,
- int *curves, size_t ncurves);
- __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
- const char *str);
- __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
- # endif /* OPENSSL_NO_EC */
- __owur int tls1_shared_list(SSL *s,
- const unsigned char *l1, size_t l1len,
- const unsigned char *l2, size_t l2len, int nmatch);
- __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
- unsigned char *limit, int *al);
- __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
- unsigned char *limit, int *al);
- __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt);
- void ssl_set_default_md(SSL *s);
- __owur int tls1_set_server_sigalgs(SSL *s);
- __owur int ssl_check_clienthello_tlsext_late(SSL *s);
- __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt);
- __owur int ssl_prepare_clienthello_tlsext(SSL *s);
- __owur int ssl_prepare_serverhello_tlsext(SSL *s);
- # ifndef OPENSSL_NO_HEARTBEATS
- __owur int tls1_heartbeat(SSL *s);
- __owur int dtls1_heartbeat(SSL *s);
- __owur int tls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length);
- __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length);
- # endif
- __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
- const PACKET *session_id,
- SSL_SESSION **ret);
- __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
- const EVP_MD *md);
- __owur int tls12_get_sigid(const EVP_PKEY *pk);
- __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg);
- void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op);
- __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
- __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
- int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
- int idx);
- void tls1_set_cert_validity(SSL *s);
- # ifndef OPENSSL_NO_DH
- __owur DH *ssl_get_auto_dh(SSL *s);
- # endif
- __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
- __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy);
- __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
- void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
- __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
- __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt,
- int *al);
- __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
- __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
- __owur long ssl_get_algorithm2(SSL *s);
- __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
- const unsigned char *psig, size_t psiglen);
- __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
- __owur int tls1_process_sigalgs(SSL *s);
- __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
- __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
- const unsigned char *sig, EVP_PKEY *pkey);
- void ssl_set_client_disabled(SSL *s);
- __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
- __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
- __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
- __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
- int maxlen);
- __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
- __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen);
- __owur const EVP_MD *ssl_md(int idx);
- __owur const EVP_MD *ssl_handshake_md(SSL *s);
- __owur const EVP_MD *ssl_prf_md(SSL *s);
- /* s3_cbc.c */
- __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
- __owur 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);
- __owur int srp_generate_server_master_secret(SSL *s);
- __owur int srp_generate_client_master_secret(SSL *s);
- __owur int srp_verify_server_param(SSL *s, int *al);
- /* t1_ext.c */
- void custom_ext_init(custom_ext_methods *meths);
- __owur int custom_ext_parse(SSL *s, int server,
- unsigned int ext_type,
- const unsigned char *ext_data, size_t ext_size, int *al);
- __owur int custom_ext_add(SSL *s, int server,
- unsigned char **pret, unsigned char *limit, int *al);
- __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src);
- void custom_exts_free(custom_ext_methods *exts);
- # 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
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