1 /* 2 * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 14 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef _OPENSSL_COMPAT_H 18 #define _OPENSSL_COMPAT_H 19 20 #include "includes.h" 21 #ifdef WITH_OPENSSL 22 23 #include <openssl/opensslv.h> 24 #include <openssl/crypto.h> 25 #include <openssl/evp.h> 26 #include <openssl/rsa.h> 27 #include <openssl/dsa.h> 28 #ifdef OPENSSL_HAS_ECC 29 #include <openssl/ecdsa.h> 30 #endif 31 #include <openssl/dh.h> 32 33 int ssh_compatible_openssl(long, long); 34 void ssh_libcrypto_init(void); 35 36 #if (OPENSSL_VERSION_NUMBER < 0x1000100fL) 37 # error OpenSSL 1.0.1 or greater is required 38 #endif 39 40 #ifndef OPENSSL_VERSION 41 # define OPENSSL_VERSION SSLEAY_VERSION 42 #endif 43 44 #ifndef HAVE_OPENSSL_VERSION 45 # define OpenSSL_version(x) SSLeay_version(x) 46 #endif 47 48 #ifndef HAVE_OPENSSL_VERSION_NUM 49 # define OpenSSL_version_num SSLeay 50 #endif 51 52 #if OPENSSL_VERSION_NUMBER < 0x10000001L 53 # define LIBCRYPTO_EVP_INL_TYPE unsigned int 54 #else 55 # define LIBCRYPTO_EVP_INL_TYPE size_t 56 #endif 57 58 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS 59 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 60 #endif 61 #ifndef OPENSSL_DSA_MAX_MODULUS_BITS 62 # define OPENSSL_DSA_MAX_MODULUS_BITS 10000 63 #endif 64 65 #ifdef LIBRESSL_VERSION_NUMBER 66 # if LIBRESSL_VERSION_NUMBER < 0x3010000fL 67 # define HAVE_BROKEN_CHACHA20 68 # endif 69 #endif 70 71 #ifndef OPENSSL_HAVE_EVPCTR 72 # define EVP_aes_128_ctr evp_aes_128_ctr 73 # define EVP_aes_192_ctr evp_aes_128_ctr 74 # define EVP_aes_256_ctr evp_aes_128_ctr 75 const EVP_CIPHER *evp_aes_128_ctr(void); 76 void ssh_aes_ctr_iv(EVP_CIPHER_CTX *, int, u_char *, size_t); 77 #endif 78 79 /* Avoid some #ifdef. Code that uses these is unreachable without GCM */ 80 #if !defined(OPENSSL_HAVE_EVPGCM) && !defined(EVP_CTRL_GCM_SET_IV_FIXED) 81 # define EVP_CTRL_GCM_SET_IV_FIXED -1 82 # define EVP_CTRL_GCM_IV_GEN -1 83 # define EVP_CTRL_GCM_SET_TAG -1 84 # define EVP_CTRL_GCM_GET_TAG -1 85 #endif 86 87 /* Replace missing EVP_CIPHER_CTX_ctrl() with something that returns failure */ 88 #ifndef HAVE_EVP_CIPHER_CTX_CTRL 89 # ifdef OPENSSL_HAVE_EVPGCM 90 # error AES-GCM enabled without EVP_CIPHER_CTX_ctrl /* shouldn't happen */ 91 # else 92 # define EVP_CIPHER_CTX_ctrl(a,b,c,d) (0) 93 # endif 94 #endif 95 96 /* LibreSSL/OpenSSL 1.1x API compat */ 97 #ifndef HAVE_DSA_GET0_PQG 98 void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q, 99 const BIGNUM **g); 100 #endif /* HAVE_DSA_GET0_PQG */ 101 102 #ifndef HAVE_DSA_SET0_PQG 103 int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g); 104 #endif /* HAVE_DSA_SET0_PQG */ 105 106 #ifndef HAVE_DSA_GET0_KEY 107 void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, 108 const BIGNUM **priv_key); 109 #endif /* HAVE_DSA_GET0_KEY */ 110 111 #ifndef HAVE_DSA_SET0_KEY 112 int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key); 113 #endif /* HAVE_DSA_SET0_KEY */ 114 115 #ifndef HAVE_EVP_CIPHER_CTX_GET_IV 116 int EVP_CIPHER_CTX_get_iv(const EVP_CIPHER_CTX *ctx, 117 unsigned char *iv, size_t len); 118 #endif /* HAVE_EVP_CIPHER_CTX_GET_IV */ 119 120 #ifndef HAVE_EVP_CIPHER_CTX_SET_IV 121 int EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx, 122 const unsigned char *iv, size_t len); 123 #endif /* HAVE_EVP_CIPHER_CTX_SET_IV */ 124 125 #ifndef HAVE_RSA_GET0_KEY 126 void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, 127 const BIGNUM **d); 128 #endif /* HAVE_RSA_GET0_KEY */ 129 130 #ifndef HAVE_RSA_SET0_KEY 131 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); 132 #endif /* HAVE_RSA_SET0_KEY */ 133 134 #ifndef HAVE_RSA_GET0_CRT_PARAMS 135 void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, 136 const BIGNUM **iqmp); 137 #endif /* HAVE_RSA_GET0_CRT_PARAMS */ 138 139 #ifndef HAVE_RSA_SET0_CRT_PARAMS 140 int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); 141 #endif /* HAVE_RSA_SET0_CRT_PARAMS */ 142 143 #ifndef HAVE_RSA_GET0_FACTORS 144 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); 145 #endif /* HAVE_RSA_GET0_FACTORS */ 146 147 #ifndef HAVE_RSA_SET0_FACTORS 148 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); 149 #endif /* HAVE_RSA_SET0_FACTORS */ 150 151 #ifndef DSA_SIG_GET0 152 void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); 153 #endif /* DSA_SIG_GET0 */ 154 155 #ifndef DSA_SIG_SET0 156 int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s); 157 #endif /* DSA_SIG_SET0 */ 158 159 #ifdef OPENSSL_HAS_ECC 160 #ifndef HAVE_ECDSA_SIG_GET0 161 void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); 162 #endif /* HAVE_ECDSA_SIG_GET0 */ 163 164 #ifndef HAVE_ECDSA_SIG_SET0 165 int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s); 166 #endif /* HAVE_ECDSA_SIG_SET0 */ 167 #endif /* OPENSSL_HAS_ECC */ 168 169 #ifndef HAVE_DH_GET0_PQG 170 void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, 171 const BIGNUM **g); 172 #endif /* HAVE_DH_GET0_PQG */ 173 174 #ifndef HAVE_DH_SET0_PQG 175 int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g); 176 #endif /* HAVE_DH_SET0_PQG */ 177 178 #ifndef HAVE_DH_GET0_KEY 179 void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key); 180 #endif /* HAVE_DH_GET0_KEY */ 181 182 #ifndef HAVE_DH_SET0_KEY 183 int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key); 184 #endif /* HAVE_DH_SET0_KEY */ 185 186 #ifndef HAVE_DH_SET_LENGTH 187 int DH_set_length(DH *dh, long length); 188 #endif /* HAVE_DH_SET_LENGTH */ 189 190 #ifndef HAVE_RSA_METH_FREE 191 void RSA_meth_free(RSA_METHOD *meth); 192 #endif /* HAVE_RSA_METH_FREE */ 193 194 #ifndef HAVE_RSA_METH_DUP 195 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); 196 #endif /* HAVE_RSA_METH_DUP */ 197 198 #ifndef HAVE_RSA_METH_SET1_NAME 199 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); 200 #endif /* HAVE_RSA_METH_SET1_NAME */ 201 202 #ifndef HAVE_RSA_METH_GET_FINISH 203 int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa); 204 #endif /* HAVE_RSA_METH_GET_FINISH */ 205 206 #ifndef HAVE_RSA_METH_SET_PRIV_ENC 207 int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen, 208 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 209 #endif /* HAVE_RSA_METH_SET_PRIV_ENC */ 210 211 #ifndef HAVE_RSA_METH_SET_PRIV_DEC 212 int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen, 213 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 214 #endif /* HAVE_RSA_METH_SET_PRIV_DEC */ 215 216 #ifndef HAVE_RSA_METH_SET_FINISH 217 int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa)); 218 #endif /* HAVE_RSA_METH_SET_FINISH */ 219 220 #ifndef HAVE_EVP_PKEY_GET0_RSA 221 RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey); 222 #endif /* HAVE_EVP_PKEY_GET0_RSA */ 223 224 #ifndef HAVE_EVP_MD_CTX_new 225 EVP_MD_CTX *EVP_MD_CTX_new(void); 226 #endif /* HAVE_EVP_MD_CTX_new */ 227 228 #ifndef HAVE_EVP_MD_CTX_free 229 void EVP_MD_CTX_free(EVP_MD_CTX *ctx); 230 #endif /* HAVE_EVP_MD_CTX_free */ 231 232 #endif /* WITH_OPENSSL */ 233 #endif /* _OPENSSL_COMPAT_H */ 234