/usr/include/Swiften/TLS/CertificateTrustChecker.h is in libswiften-dev 2.0~beta1+dev47-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33  | /*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */
#pragma once
#include <boost/shared_ptr.hpp>
#include <string>
#include <Swiften/TLS/Certificate.h>
#include <vector>
namespace Swift {
	/**
	 * A class to implement a check for certificate trust.
	 */
	class CertificateTrustChecker {
		public:
			virtual ~CertificateTrustChecker();
			/**
			 * This method is called to find out whether a certificate (chain) is
			 * trusted. This usually happens when a certificate's validation
			 * fails, to check whether to proceed with the connection or not.
			 *
			 * certificateChain contains the chain of certificates. The first certificate
			 * is the subject certificate.
			 */
			virtual bool isCertificateTrusted(const std::vector<Certificate::ref>& certificateChain) = 0;
	};
}
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