Unbreak the build against modern versions of OpenSSL.

1 files changed, 96 insertions, 0 deletions

diff --git a/net-p2p/dclib/files/patch-dclib_core_cssl.cpp b/net-p2p/dclib/files/patch-dclib_core_cssl.cpp
new file mode 100644
index 000000000000..f2cc8131218f
--- /dev/null
+++ b/net-p2p/dclib/files/patch-dclib_core_cssl.cpp
@@ -0,0 +1,96 @@
+--- dclib/core/cssl.cpp.orig	2020-09-10 07:59:41 UTC
++++ dclib/core/cssl.cpp
+@@ -429,7 +429,7 @@ CString CSSL::EncryptData( CSSLObject * SSLObject, CSt
+ 	CString res;
+ 	CByteArray bain,baout;
+ 	int i,tmplen;
+-	EVP_CIPHER_CTX ctx;
++	EVP_CIPHER_CTX *ctx;
+ 
+ 	// sanity check
+ 	if ( !SSLObject || (s.IsEmpty()) )
+@@ -437,8 +437,9 @@ CString CSSL::EncryptData( CSSLObject * SSLObject, CSt
+ 		return res;
+ 	}
+ 	
+-	EVP_CIPHER_CTX_init(&ctx);
+-	EVP_EncryptInit(&ctx, EVP_bf_cbc(), SSLObject->m_remotekey, SSLObject->m_remoteiv);
++	ctx = EVP_CIPHER_CTX_new();
++	EVP_CIPHER_CTX_init(ctx);
++	EVP_EncryptInit(ctx, EVP_bf_cbc(), SSLObject->m_remotekey, SSLObject->m_remoteiv);
+ 
+ 	// init input array
+ 	bain.SetSize(2);
+@@ -448,13 +449,13 @@ CString CSSL::EncryptData( CSSLObject * SSLObject, CSt
+ 	// init output array
+ 	// input size + cipher_block_size for EVP_EncryptUpdate
+ 	// plus cipher_block_size for EVP_EncryptFinal
+-	baout.SetSize( bain.Size() + ( 2 * EVP_CIPHER_CTX_block_size(&ctx) ) );
++	baout.SetSize( bain.Size() + ( 2 * EVP_CIPHER_CTX_block_size(ctx) ) );
+ 	//printf("CSSL::EncryptData: wrong old size=%lu new size=%lu\n",bain.Size()*2,baout.Size());
+ 	i = baout.Size();
+ 
+-	if ( EVP_EncryptUpdate(&ctx, baout.Data(), &i, bain.Data(), bain.Size() ) )
++	if ( EVP_EncryptUpdate(ctx, baout.Data(), &i, bain.Data(), bain.Size() ) )
+ 	{
+-		if ( EVP_EncryptFinal(&ctx, baout.Data()+i, &tmplen) )
++		if ( EVP_EncryptFinal(ctx, baout.Data()+i, &tmplen) )
+ 		{
+ 			i+=tmplen;
+ 			bain.SetSize(0);
+@@ -465,7 +466,7 @@ CString CSSL::EncryptData( CSSLObject * SSLObject, CSt
+ 		}
+ 	}
+ 
+-	EVP_CIPHER_CTX_cleanup(&ctx);
++	EVP_CIPHER_CTX_free(ctx);
+ 
+ 	return res;
+ }
+@@ -476,7 +477,7 @@ CString CSSL::DecryptData( CSSLObject * SSLObject, CSt
+ 	CString res;
+ 	CByteArray bain,baout;
+ 	int i,tmplen;
+-	EVP_CIPHER_CTX ctx;
++	EVP_CIPHER_CTX *ctx;
+ 
+ 	// sanity check
+ 	if ( !SSLObject || (s.IsEmpty()) )
+@@ -484,22 +485,23 @@ CString CSSL::DecryptData( CSSLObject * SSLObject, CSt
+ 		return res;
+ 	}
+ 	
+-	EVP_CIPHER_CTX_init(&ctx);
+-	EVP_DecryptInit(&ctx, EVP_bf_cbc(), SSLObject->m_localkey, SSLObject->m_localiv);
++	ctx = EVP_CIPHER_CTX_new();
++	EVP_CIPHER_CTX_init(ctx);
++	EVP_DecryptInit(ctx, EVP_bf_cbc(), SSLObject->m_localkey, SSLObject->m_localiv);
+ 
+ 	bain.SetSize(0);
+ 	bain.Append(s.Data(),s.Length());
+ 
+ 	if ( CBase64::Decode(&baout,&bain) > 0 )
+ 	{
+-		bain.SetSize( baout.Size() + ( 2 * EVP_CIPHER_CTX_block_size(&ctx) ) );
++		bain.SetSize( baout.Size() + ( 2 * EVP_CIPHER_CTX_block_size(ctx) ) );
+ 		//printf("CSSL::DecryptData: wrong old size=%lu new size=%lu\n",baout.Size()*2,bain.Size());
+ 		i = 0;
+ 
+-		if ( EVP_DecryptUpdate(&ctx, bain.Data(), &i, baout.Data(), (int)baout.Size() ) )
++		if ( EVP_DecryptUpdate(ctx, bain.Data(), &i, baout.Data(), (int)baout.Size() ) )
+ 		{
+ 			tmplen = 0;
+-			if ( EVP_DecryptFinal(&ctx, bain.Data()+i, &tmplen) )
++			if ( EVP_DecryptFinal(ctx, bain.Data()+i, &tmplen) )
+ 			{
+ 				i+=tmplen;
+ 				res.Set((const char*)bain.Data()+2,i-2);
+@@ -507,7 +509,7 @@ CString CSSL::DecryptData( CSSLObject * SSLObject, CSt
+ 		}
+ 	}
+ 
+-	EVP_CIPHER_CTX_cleanup(&ctx);
++	EVP_CIPHER_CTX_free(ctx);
+ 
+ 	return res;
+ }