Squashed 'OpenVPN Adapter/Vendors/openvpn/' changes from da99df6..4095565

4095565 OpenVPN 3 client: added tun abstraction layer.
4bfaafc AsioTimer: use expires_after() method when possible.
782e8eb Apple: moved some source files.
f89da96 OpenVPN 3 client: added single-thread mode:
233dfde OpenVPN 3 client: fixed state->session typos.
d689b6d Added new Apple Core Foundation wrappers:
3838a62 i/o layer: added OPENVPN_IO_REQUIRES_STOP compile flag.
138ec96 asiopolysock.hpp: don't call SockOpt::set_cloexec(fd) if fd is undefined (i.e. fd == -1).
10eb723 Apple CF wrapper: renamed OWN/BORROW.
962fe87 Apple CF wrapper: simplify cf.hpp dependency profile.
4fcc99c Objective C++: fix symbol conflicts.
8f63cbb tunwrapasio.hpp: make generic with respect to i/o layer.
67e0013 AsioTimer: added expires_after() method.
fc7eaaf Apple CF wrappers: moved CFRunLoop/CFRunLoopSource wrapper to applecrypto/cf, where all other CF wrappers currently reside.
1215912 Revamped Function (our own functor object) to be more flexible.
10fa276 process.hpp: added compile option to avoid async pipe usage.
9e09451 gwv4.hpp: added missing includes
916856d build script: updated Objective-C support when OBJC=1.

git-subtree-dir: OpenVPN Adapter/Vendors/openvpn
git-subtree-split: 4095565b4de2c7d738e728cae989f632100a8ce8

openvpn/apple/cf/cfsec.hpp

@@ -0,0 +1,58 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Technologies, Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef OPENVPN_APPLECRYPTO_CF_CFSEC_H
+#define OPENVPN_APPLECRYPTO_CF_CFSEC_H
+
+#include <openvpn/common/platform.hpp>
+
+#include <Security/SecCertificate.h>
+#include <Security/SecIdentity.h>
+#include <Security/SecPolicy.h>
+#include <Security/SecTrust.h>
+
+#ifndef OPENVPN_PLATFORM_IPHONE
+#include <Security/SecKeychain.h>
+#include <Security/SecAccess.h>
+#endif
+
+#include <openvpn/common/size.hpp>
+#include <openvpn/common/exception.hpp>
+#include <openvpn/apple/cf/cf.hpp>
+
+// Define C++ wrappings for Apple security-related objects.
+
+namespace openvpn {
+  namespace CF {
+    OPENVPN_CF_WRAP(Cert, cert_cast, SecCertificateRef, SecCertificateGetTypeID)
+    OPENVPN_CF_WRAP(Key, key_cast, SecKeyRef, SecKeyGetTypeID)
+    OPENVPN_CF_WRAP(Identity, identity_cast, SecIdentityRef, SecIdentityGetTypeID)
+    OPENVPN_CF_WRAP(Policy, policy_cast, SecPolicyRef, SecPolicyGetTypeID)
+    OPENVPN_CF_WRAP(Trust, trust_cast, SecTrustRef, SecTrustGetTypeID)
+#ifndef OPENVPN_PLATFORM_IPHONE
+    OPENVPN_CF_WRAP(Keychain, keychain_cast, SecKeychainRef, SecKeychainGetTypeID)
+    OPENVPN_CF_WRAP(Access, access_cast, SecAccessRef, SecAccessGetTypeID)
+#endif
+  } // namespace CF
+
+} // namespace openvpn
+
+#endif // OPENVPN_APPLECRYPTO_CF_CFSEC_H