446 lines
14 KiB
C
446 lines
14 KiB
C
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#if defined(ESP32)
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#ifndef __LIBSSH2_OPENSSL_H
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#define __LIBSSH2_OPENSSL_H
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/* Copyright (C) 2009, 2010 Simon Josefsson
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* Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved.
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*
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* Author: Simon Josefsson
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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/* disable deprecated warnings in OpenSSL 3 */
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#define OPENSSL_SUPPRESS_DEPRECATED
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#ifdef LIBSSH2_WOLFSSL
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#include <wolfssl/options.h>
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#include <openssl/ecdh.h>
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#if defined(NO_DSA) || defined(HAVE_FIPS)
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#define OPENSSL_NO_DSA
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#endif
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#if defined(NO_MD5) || defined(HAVE_FIPS)
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#define OPENSSL_NO_MD5
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#endif
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#if !defined(WOLFSSL_RIPEMD) || defined(HAVE_FIPS)
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#define OPENSSL_NO_RIPEMD
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#endif
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#if defined(NO_RC4) || defined(HAVE_FIPS)
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#define OPENSSL_NO_RC4
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#endif
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#ifdef NO_DES3
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#define OPENSSL_NO_DES
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#endif
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#ifdef EVP_aes_128_ctr
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#define HAVE_EVP_AES_128_CTR
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#endif
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/* wolfSSL doesn't support Blowfish or CAST. */
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#define OPENSSL_NO_BF
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#define OPENSSL_NO_CAST
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/* wolfSSL has no engine framework. */
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#define OPENSSL_NO_ENGINE
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#endif /* LIBSSH2_WOLFSSL */
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#include <openssl/opensslconf.h>
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#include <openssl/sha.h>
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#include <openssl/rsa.h>
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#ifndef OPENSSL_NO_ENGINE
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#include <openssl/engine.h>
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#endif
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#ifndef OPENSSL_NO_DSA
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#include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_MD5
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#include <openssl/md5.h>
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#endif
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#include <openssl/evp.h>
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#include <openssl/hmac.h>
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#include <openssl/bn.h>
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#include <openssl/pem.h>
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#include <openssl/rand.h>
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#if (OPENSSL_VERSION_NUMBER >= 0x10100000L && \
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!defined(LIBRESSL_VERSION_NUMBER)) || defined(LIBSSH2_WOLFSSL) || \
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LIBRESSL_VERSION_NUMBER >= 0x3050000fL
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/* For wolfSSL, whether the structs are truly opaque or not, it's best to not
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* rely on their internal data members being exposed publicly. */
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# define HAVE_OPAQUE_STRUCTS 1
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#endif
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#ifdef OPENSSL_NO_RSA
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# define LIBSSH2_RSA 0
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# define LIBSSH2_RSA_SHA2 0
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#else
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# define LIBSSH2_RSA 1
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# define LIBSSH2_RSA_SHA2 1
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#endif
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#ifdef OPENSSL_NO_DSA
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# define LIBSSH2_DSA 0
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#else
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# define LIBSSH2_DSA 1
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#endif
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#if defined(OPENSSL_NO_ECDSA) || defined(OPENSSL_NO_EC)
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# define LIBSSH2_ECDSA 0
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#else
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# define LIBSSH2_ECDSA 1
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#endif
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#if (OPENSSL_VERSION_NUMBER >= 0x10101000L && \
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!defined(LIBRESSL_VERSION_NUMBER)) || \
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LIBRESSL_VERSION_NUMBER >= 0x3070000fL
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# define LIBSSH2_ED25519 1
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#else
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# define LIBSSH2_ED25519 0
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#endif
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#ifdef OPENSSL_NO_MD5
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# define LIBSSH2_MD5 0
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#else
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# define LIBSSH2_MD5 1
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#endif
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#if defined(OPENSSL_NO_RIPEMD) || defined(OPENSSL_NO_RMD160)
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# define LIBSSH2_HMAC_RIPEMD 0
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#else
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# define LIBSSH2_HMAC_RIPEMD 1
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#endif
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#define LIBSSH2_HMAC_SHA256 1
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#define LIBSSH2_HMAC_SHA512 1
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#if (OPENSSL_VERSION_NUMBER >= 0x00907000L && !defined(OPENSSL_NO_AES)) || \
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(defined(LIBSSH2_WOLFSSL) && defined(WOLFSSL_AES_COUNTER))
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# define LIBSSH2_AES_CTR 1
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# define LIBSSH2_AES 1
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#else
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# define LIBSSH2_AES_CTR 0
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# define LIBSSH2_AES 0
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#endif
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#ifdef OPENSSL_NO_BF
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# define LIBSSH2_BLOWFISH 0
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#else
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# define LIBSSH2_BLOWFISH 1
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#endif
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#ifdef OPENSSL_NO_RC4
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# define LIBSSH2_RC4 0
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#else
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# define LIBSSH2_RC4 1
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#endif
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#ifdef OPENSSL_NO_CAST
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# define LIBSSH2_CAST 0
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#else
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# define LIBSSH2_CAST 1
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#endif
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#ifdef OPENSSL_NO_DES
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# define LIBSSH2_3DES 0
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#else
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# define LIBSSH2_3DES 1
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#endif
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#define EC_MAX_POINT_LEN ((528 * 2 / 8) + 1)
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#define _libssh2_random(buf, len) (RAND_bytes((buf), (len)) == 1 ? 0 : -1)
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#define libssh2_prepare_iovec(vec, len) /* Empty. */
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha1_ctx EVP_MD_CTX *
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#else
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#define libssh2_sha1_ctx EVP_MD_CTX
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#endif
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/* returns 0 in case of failure */
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int _libssh2_sha1_init(libssh2_sha1_ctx *ctx);
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#define libssh2_sha1_init(x) _libssh2_sha1_init(x)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha1_update(ctx, data, len) EVP_DigestUpdate(ctx, data, len)
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#define libssh2_sha1_final(ctx, out) do { \
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EVP_DigestFinal(ctx, out, NULL); \
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EVP_MD_CTX_free(ctx); \
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} while(0)
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#else
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#define libssh2_sha1_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len)
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#define libssh2_sha1_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL)
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#endif
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int _libssh2_sha1(const unsigned char *message, unsigned long len,
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unsigned char *out);
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#define libssh2_sha1(x,y,z) _libssh2_sha1(x,y,z)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha256_ctx EVP_MD_CTX *
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#else
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#define libssh2_sha256_ctx EVP_MD_CTX
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#endif
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/* returns 0 in case of failure */
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int _libssh2_sha256_init(libssh2_sha256_ctx *ctx);
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#define libssh2_sha256_init(x) _libssh2_sha256_init(x)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha256_update(ctx, data, len) EVP_DigestUpdate(ctx, data, len)
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#define libssh2_sha256_final(ctx, out) do { \
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EVP_DigestFinal(ctx, out, NULL); \
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EVP_MD_CTX_free(ctx); \
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} while(0)
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#else
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#define libssh2_sha256_update(ctx, data, len) \
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EVP_DigestUpdate(&(ctx), data, len)
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#define libssh2_sha256_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL)
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#endif
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int _libssh2_sha256(const unsigned char *message, unsigned long len,
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unsigned char *out);
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#define libssh2_sha256(x,y,z) _libssh2_sha256(x,y,z)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha384_ctx EVP_MD_CTX *
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#else
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#define libssh2_sha384_ctx EVP_MD_CTX
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#endif
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/* returns 0 in case of failure */
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int _libssh2_sha384_init(libssh2_sha384_ctx *ctx);
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#define libssh2_sha384_init(x) _libssh2_sha384_init(x)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha384_update(ctx, data, len) EVP_DigestUpdate(ctx, data, len)
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#define libssh2_sha384_final(ctx, out) do { \
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EVP_DigestFinal(ctx, out, NULL); \
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EVP_MD_CTX_free(ctx); \
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} while(0)
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#else
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#define libssh2_sha384_update(ctx, data, len) \
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EVP_DigestUpdate(&(ctx), data, len)
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#define libssh2_sha384_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL)
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#endif
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int _libssh2_sha384(const unsigned char *message, unsigned long len,
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unsigned char *out);
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#define libssh2_sha384(x,y,z) _libssh2_sha384(x,y,z)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha512_ctx EVP_MD_CTX *
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#else
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#define libssh2_sha512_ctx EVP_MD_CTX
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#endif
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/* returns 0 in case of failure */
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int _libssh2_sha512_init(libssh2_sha512_ctx *ctx);
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#define libssh2_sha512_init(x) _libssh2_sha512_init(x)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_sha512_update(ctx, data, len) EVP_DigestUpdate(ctx, data, len)
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#define libssh2_sha512_final(ctx, out) do { \
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EVP_DigestFinal(ctx, out, NULL); \
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EVP_MD_CTX_free(ctx); \
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} while(0)
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#else
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#define libssh2_sha512_update(ctx, data, len) \
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EVP_DigestUpdate(&(ctx), data, len)
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#define libssh2_sha512_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL)
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#endif
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int _libssh2_sha512(const unsigned char *message, unsigned long len,
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unsigned char *out);
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#define libssh2_sha512(x,y,z) _libssh2_sha512(x,y,z)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_md5_ctx EVP_MD_CTX *
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#else
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#define libssh2_md5_ctx EVP_MD_CTX
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#endif
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/* returns 0 in case of failure */
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int _libssh2_md5_init(libssh2_md5_ctx *ctx);
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#define libssh2_md5_init(x) _libssh2_md5_init(x)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_md5_update(ctx, data, len) EVP_DigestUpdate(ctx, data, len)
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#define libssh2_md5_final(ctx, out) do { \
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EVP_DigestFinal(ctx, out, NULL); \
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EVP_MD_CTX_free(ctx); \
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} while(0)
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#else
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#define libssh2_md5_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len)
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#define libssh2_md5_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL)
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#endif
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#ifdef HAVE_OPAQUE_STRUCTS
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#define libssh2_hmac_ctx HMAC_CTX *
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#define libssh2_hmac_ctx_init(ctx) ctx = HMAC_CTX_new()
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#define libssh2_hmac_sha1_init(ctx, key, keylen) \
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HMAC_Init_ex(*(ctx), key, keylen, EVP_sha1(), NULL)
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#define libssh2_hmac_md5_init(ctx, key, keylen) \
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HMAC_Init_ex(*(ctx), key, keylen, EVP_md5(), NULL)
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#define libssh2_hmac_ripemd160_init(ctx, key, keylen) \
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HMAC_Init_ex(*(ctx), key, keylen, EVP_ripemd160(), NULL)
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#define libssh2_hmac_sha256_init(ctx, key, keylen) \
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HMAC_Init_ex(*(ctx), key, keylen, EVP_sha256(), NULL)
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#define libssh2_hmac_sha512_init(ctx, key, keylen) \
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HMAC_Init_ex(*(ctx), key, keylen, EVP_sha512(), NULL)
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#define libssh2_hmac_update(ctx, data, datalen) \
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HMAC_Update(ctx, data, datalen)
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#define libssh2_hmac_final(ctx, data) HMAC_Final(ctx, data, NULL)
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#define libssh2_hmac_cleanup(ctx) HMAC_CTX_free(*(ctx))
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#else
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#define libssh2_hmac_ctx HMAC_CTX
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#define libssh2_hmac_ctx_init(ctx) \
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HMAC_CTX_init(&ctx)
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#define libssh2_hmac_sha1_init(ctx, key, keylen) \
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HMAC_Init_ex(ctx, key, keylen, EVP_sha1(), NULL)
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#define libssh2_hmac_md5_init(ctx, key, keylen) \
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HMAC_Init_ex(ctx, key, keylen, EVP_md5(), NULL)
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#define libssh2_hmac_ripemd160_init(ctx, key, keylen) \
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HMAC_Init_ex(ctx, key, keylen, EVP_ripemd160(), NULL)
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#define libssh2_hmac_sha256_init(ctx, key, keylen) \
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HMAC_Init_ex(ctx, key, keylen, EVP_sha256(), NULL)
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#define libssh2_hmac_sha512_init(ctx, key, keylen) \
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HMAC_Init_ex(ctx, key, keylen, EVP_sha512(), NULL)
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#define libssh2_hmac_update(ctx, data, datalen) \
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HMAC_Update(&(ctx), data, datalen)
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#define libssh2_hmac_final(ctx, data) HMAC_Final(&(ctx), data, NULL)
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#define libssh2_hmac_cleanup(ctx) HMAC_cleanup(ctx)
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#endif
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extern void _libssh2_openssl_crypto_init(void);
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extern void _libssh2_openssl_crypto_exit(void);
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#define libssh2_crypto_init() _libssh2_openssl_crypto_init()
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#define libssh2_crypto_exit() _libssh2_openssl_crypto_exit()
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#define libssh2_rsa_ctx RSA
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#define _libssh2_rsa_free(rsactx) RSA_free(rsactx)
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#define libssh2_dsa_ctx DSA
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#define _libssh2_dsa_free(dsactx) DSA_free(dsactx)
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#if LIBSSH2_ECDSA
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#define libssh2_ecdsa_ctx EC_KEY
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#define _libssh2_ecdsa_free(ecdsactx) EC_KEY_free(ecdsactx)
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#define _libssh2_ec_key EC_KEY
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typedef enum {
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LIBSSH2_EC_CURVE_NISTP256 = NID_X9_62_prime256v1,
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LIBSSH2_EC_CURVE_NISTP384 = NID_secp384r1,
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LIBSSH2_EC_CURVE_NISTP521 = NID_secp521r1
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}
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libssh2_curve_type;
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#else
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#define _libssh2_ec_key void
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#endif /* LIBSSH2_ECDSA */
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#if LIBSSH2_ED25519
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#define libssh2_ed25519_ctx EVP_PKEY
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#define _libssh2_ed25519_free(ctx) EVP_PKEY_free(ctx)
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#endif /* ED25519 */
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#define _libssh2_cipher_type(name) const EVP_CIPHER *(*name)(void)
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#ifdef HAVE_OPAQUE_STRUCTS
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#define _libssh2_cipher_ctx EVP_CIPHER_CTX *
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#else
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#define _libssh2_cipher_ctx EVP_CIPHER_CTX
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#endif
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#define _libssh2_cipher_aes256 EVP_aes_256_cbc
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#define _libssh2_cipher_aes192 EVP_aes_192_cbc
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#define _libssh2_cipher_aes128 EVP_aes_128_cbc
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#ifdef HAVE_EVP_AES_128_CTR
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#define _libssh2_cipher_aes128ctr EVP_aes_128_ctr
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#define _libssh2_cipher_aes192ctr EVP_aes_192_ctr
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#define _libssh2_cipher_aes256ctr EVP_aes_256_ctr
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#else
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#define _libssh2_cipher_aes128ctr _libssh2_EVP_aes_128_ctr
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#define _libssh2_cipher_aes192ctr _libssh2_EVP_aes_192_ctr
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#define _libssh2_cipher_aes256ctr _libssh2_EVP_aes_256_ctr
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#endif
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#define _libssh2_cipher_blowfish EVP_bf_cbc
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#define _libssh2_cipher_arcfour EVP_rc4
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#define _libssh2_cipher_cast5 EVP_cast5_cbc
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#define _libssh2_cipher_3des EVP_des_ede3_cbc
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#ifdef HAVE_OPAQUE_STRUCTS
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#define _libssh2_cipher_dtor(ctx) EVP_CIPHER_CTX_free(*(ctx))
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#else
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#define _libssh2_cipher_dtor(ctx) EVP_CIPHER_CTX_cleanup(ctx)
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#endif
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#define _libssh2_bn BIGNUM
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#define _libssh2_bn_ctx BN_CTX
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#define _libssh2_bn_ctx_new() BN_CTX_new()
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#define _libssh2_bn_ctx_free(bnctx) BN_CTX_free(bnctx)
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#define _libssh2_bn_init() BN_new()
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#define _libssh2_bn_init_from_bin() _libssh2_bn_init()
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#define _libssh2_bn_set_word(bn, val) BN_set_word(bn, val)
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#define _libssh2_bn_from_bin(bn, len, val) BN_bin2bn(val, len, bn)
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#define _libssh2_bn_to_bin(bn, val) BN_bn2bin(bn, val)
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#define _libssh2_bn_bytes(bn) BN_num_bytes(bn)
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#define _libssh2_bn_bits(bn) BN_num_bits(bn)
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#define _libssh2_bn_free(bn) BN_clear_free(bn)
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#define _libssh2_dh_ctx BIGNUM *
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#define libssh2_dh_init(dhctx) _libssh2_dh_init(dhctx)
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#define libssh2_dh_key_pair(dhctx, public, g, p, group_order, bnctx) \
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_libssh2_dh_key_pair(dhctx, public, g, p, group_order, bnctx)
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#define libssh2_dh_secret(dhctx, secret, f, p, bnctx) \
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_libssh2_dh_secret(dhctx, secret, f, p, bnctx)
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#define libssh2_dh_dtor(dhctx) _libssh2_dh_dtor(dhctx)
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extern void _libssh2_dh_init(_libssh2_dh_ctx *dhctx);
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extern int _libssh2_dh_key_pair(_libssh2_dh_ctx *dhctx, _libssh2_bn *public,
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_libssh2_bn *g, _libssh2_bn *p,
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int group_order,
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_libssh2_bn_ctx *bnctx);
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extern int _libssh2_dh_secret(_libssh2_dh_ctx *dhctx, _libssh2_bn *secret,
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_libssh2_bn *f, _libssh2_bn *p,
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_libssh2_bn_ctx *bnctx);
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extern void _libssh2_dh_dtor(_libssh2_dh_ctx *dhctx);
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const EVP_CIPHER *_libssh2_EVP_aes_128_ctr(void);
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const EVP_CIPHER *_libssh2_EVP_aes_192_ctr(void);
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const EVP_CIPHER *_libssh2_EVP_aes_256_ctr(void);
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#endif /* __LIBSSH2_OPENSSL_H */
|
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#endif
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