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epee: certificate generation fix, pkey deleted

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- pkey gets deleted by the pkey_deleter but the caller tries to serialize it which causes errors as the memory is freed
This commit is contained in:
Dusan Klinec 2019-03-08 18:27:24 +01:00
parent d281b81962
commit bb8eab24da
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GPG key ID: 6337E118CCBCE103
1 changed files with 5 additions and 3 deletions
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8
contrib/epee/src/net_ssl.cpp
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@ -74,22 +74,23 @@ bool create_ssl_certificate(EVP_PKEY *&pkey, X509 *&cert)
{ {
MGINFO("Generating SSL certificate"); MGINFO("Generating SSL certificate");
pkey = EVP_PKEY_new(); pkey = EVP_PKEY_new();
openssl_pkey pkey_deleter{pkey};
if (!pkey) if (!pkey)
{ {
MERROR("Failed to create new private key"); MERROR("Failed to create new private key");
return false; return false;
} }
openssl_pkey pkey_deleter{pkey};
RSA *rsa = RSA_generate_key(4096, RSA_F4, NULL, NULL); RSA *rsa = RSA_generate_key(4096, RSA_F4, NULL, NULL);
if (!rsa) if (!rsa)
{ {
MERROR("Error generating RSA private key"); MERROR("Error generating RSA private key");
return false; return false;
} }
if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) // The RSA will be automatically freed when the EVP_PKEY structure is freed.
{ {
RSA_free(rsa);
MERROR("Error assigning RSA private key"); MERROR("Error assigning RSA private key");
RSA_free(rsa);
return false; return false;
} }
@ -117,6 +118,7 @@ bool create_ssl_certificate(EVP_PKEY *&pkey, X509 *&cert)
X509_free(cert); X509_free(cert);
return false; return false;
} }
(void)pkey_deleter.release();
return true; return true;
} }