Merge pull request #44 from jjhoo/master
Fix OpenSSL 1.1 compability issues
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commit
50b39d114a
63
ssl.c
63
ssl.c
@ -88,7 +88,7 @@ rdssl_rsa_encrypt(uint8 * out, uint8 * in, int len, uint32 modulus_size, uint8 *
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uint8 * exponent)
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{
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BN_CTX *ctx;
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BIGNUM mod, exp, x, y;
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BIGNUM *mod, *exp, *x, *y;
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uint8 inr[SEC_MAX_MODULUS_SIZE];
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int outlen;
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@ -98,24 +98,24 @@ rdssl_rsa_encrypt(uint8 * out, uint8 * in, int len, uint32 modulus_size, uint8 *
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reverse(inr, len);
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ctx = BN_CTX_new();
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BN_init(&mod);
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BN_init(&exp);
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BN_init(&x);
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BN_init(&y);
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mod = BN_new();
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exp = BN_new();
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x = BN_new();
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y = BN_new();
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BN_bin2bn(modulus, modulus_size, &mod);
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BN_bin2bn(exponent, SEC_EXPONENT_SIZE, &exp);
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BN_bin2bn(inr, len, &x);
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BN_mod_exp(&y, &x, &exp, &mod, ctx);
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outlen = BN_bn2bin(&y, out);
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BN_bin2bn(modulus, modulus_size, mod);
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BN_bin2bn(exponent, SEC_EXPONENT_SIZE, exp);
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BN_bin2bn(inr, len, x);
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BN_mod_exp(y, x, exp, mod, ctx);
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outlen = BN_bn2bin(y, out);
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reverse(out, outlen);
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if (outlen < (int) modulus_size)
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memset(out + outlen, 0, modulus_size - outlen);
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BN_free(&y);
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BN_clear_free(&x);
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BN_free(&exp);
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BN_free(&mod);
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BN_free(y);
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BN_clear_free(x);
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BN_free(exp);
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BN_free(mod);
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BN_CTX_free(ctx);
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}
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@ -146,12 +146,20 @@ rdssl_cert_to_rkey(RDSSL_CERT * cert, uint32 * key_len)
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Kudos to Richard Levitte for the following (. intiutive .)
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lines of code that resets the OID and let's us extract the key. */
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nid = OBJ_obj2nid(cert->cert_info->key->algor->algorithm);
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X509_PUBKEY *key = NULL;
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X509_ALGOR *algor = NULL;
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key = X509_get_X509_PUBKEY(cert);
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algor = X509_PUBKEY_get0_param(NULL, NULL, 0, &algor, key);
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nid = OBJ_obj2nid(algor->algorithm);
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if ((nid == NID_md5WithRSAEncryption) || (nid == NID_shaWithRSAEncryption))
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{
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DEBUG_RDP5(("Re-setting algorithm type to RSA in server certificate\n"));
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ASN1_OBJECT_free(cert->cert_info->key->algor->algorithm);
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cert->cert_info->key->algor->algorithm = OBJ_nid2obj(NID_rsaEncryption);
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X509_PUBKEY_set0_param(key, OBJ_nid2obj(NID_rsaEncryption),
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0, NULL, NULL, 0);
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}
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epk = X509_get_pubkey(cert);
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if (NULL == epk)
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@ -201,14 +209,24 @@ rdssl_rkey_get_exp_mod(RDSSL_RKEY * rkey, uint8 * exponent, uint32 max_exp_len,
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{
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int len;
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if ((BN_num_bytes(rkey->e) > (int) max_exp_len) ||
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(BN_num_bytes(rkey->n) > (int) max_mod_len))
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BIGNUM *e = NULL;
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BIGNUM *n = NULL;
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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e = rkey->e;
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n = rkey->n;
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#else
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RSA_get0_key(rkey, &e, &n, NULL);
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#endif
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if ((BN_num_bytes(e) > (int) max_exp_len) ||
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(BN_num_bytes(n) > (int) max_mod_len))
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{
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return 1;
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}
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len = BN_bn2bin(rkey->e, exponent);
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len = BN_bn2bin(e, exponent);
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reverse(exponent, len);
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len = BN_bn2bin(rkey->n, modulus);
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len = BN_bn2bin(n, modulus);
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reverse(modulus, len);
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return 0;
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}
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@ -229,8 +247,5 @@ void
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rdssl_hmac_md5(const void *key, int key_len, const unsigned char *msg, int msg_len,
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unsigned char *md)
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{
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HMAC_CTX ctx;
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HMAC_CTX_init(&ctx);
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HMAC(EVP_md5(), key, key_len, msg, msg_len, md, NULL);
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HMAC_CTX_cleanup(&ctx);
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}
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