1 /**
2  * Licensed to the University Corporation for Advanced Internet
3  * Development, Inc. (UCAID) under one or more contributor license
4  * agreements. See the NOTICE file distributed with this work for
5  * additional information regarding copyright ownership.
6  *
7  * UCAID licenses this file to you under the Apache License,
8  * Version 2.0 (the "License"); you may not use this file except
9  * in compliance with the License. You may obtain a copy of the
10  * License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17  * either express or implied. See the License for the specific
18  * language governing permissions and limitations under the License.
19  */
20 
21 /**
22  * @file xmltooling/soap/OpenSSLSOAPTransport.h
23  *
24  * Encapsulates OpenSSL-capable SOAP transport layer.
25  */
26 
27 #if !defined(__xmltooling_opensslsoaptrans_h__) && !defined(XMLTOOLING_NO_XMLSEC)
28 #define __xmltooling_opensslsoaptrans_h__
29 
30 #include <xmltooling/soap/SOAPTransport.h>
31 
32 #include <openssl/ssl.h>
33 
34 namespace xmltooling {
35 
36     /**
37      * Encapsulates OpenSSL-capable SOAP transport layer.
38      */
39     class XMLTOOL_API OpenSSLSOAPTransport : public virtual SOAPTransport
40     {
41     protected:
42         OpenSSLSOAPTransport();
43     public:
44         virtual ~OpenSSLSOAPTransport();
45 
46         /** OpenSSL context callback for manipulating credentials and validation behavior. */
47         typedef bool (*ssl_ctx_callback_fn)(OpenSSLSOAPTransport* transport, SSL_CTX* ssl_ctx, void* userptr);
48 
49         /**
50          * Set a callback function to invoke against the SSL_CTX before the handshake.
51          *
52          * @param fn        callback function
53          * @param userptr   a caller-supplied value to pass to the callback function
54          * @return true iff the callback was set
55          */
56         virtual bool setSSLCallback(ssl_ctx_callback_fn fn, void* userptr=nullptr)=0;
57 
58         /**
59          * Set an expression identifying the cipher suites to enable using OpenSSL syntax.
60          *
61          * <p>Note this does not include TLS 1.3 ciphers.</p>
62          *
63          * @param cipherlist cipher suite expression/list
64          * @return true iff the ciphers were set
65          */
66         virtual bool setCipherSuites(const char* cipherlist)=0;
67 
68         /**
69          * Set indicator that the transport peer has been authenticated.
70          *
71          * @param auth    flag to set
72          */
73         virtual void setAuthenticated(bool auth)=0;
74     };
75 
76 };
77 
78 #endif /* __xmltooling_opensslsoaptrans_h__ */
79