/usr/include/IceSSL/Plugin.h is in libzeroc-ice-dev 3.7.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICESSL_PLUGIN_H
#define ICESSL_PLUGIN_H
#include <Ice/Plugin.h>
#include <IceSSL/Config.h>
#include <IceSSL/ConnectionInfoF.h>
#ifdef ICE_CPP11_MAPPING
# include <chrono>
#else
# include <IceUtil/Time.h>
#endif
#include <vector>
#include <list>
#ifndef ICESSL_API
# if defined(ICE_STATIC_LIBS)
# define ICESSL_API /**/
# elif defined(ICESSL_API_EXPORTS)
# define ICESSL_API ICE_DECLSPEC_EXPORT
# else
# define ICESSL_API ICE_DECLSPEC_IMPORT
# endif
#endif
namespace IceSSL
{
//
// This exception is thrown if the certificate cannot be read.
//
class ICESSL_API CertificateReadException : public IceUtil::ExceptionHelper<CertificateReadException>
{
public:
CertificateReadException(const char*, int, const std::string&);
#ifndef ICE_CPP11_COMPILER
virtual ~CertificateReadException() throw();
#endif
virtual std::string ice_id() const;
#ifndef ICE_CPP11_MAPPING
virtual CertificateReadException* ice_clone() const;
#endif
std::string reason;
private:
static const char* _name;
};
//
// This exception is thrown if the certificate cannot be encoded.
//
class ICESSL_API CertificateEncodingException : public IceUtil::ExceptionHelper<CertificateEncodingException>
{
public:
CertificateEncodingException(const char*, int, const std::string&);
#ifndef ICE_CPP11_COMPILER
virtual ~CertificateEncodingException() throw();
#endif
virtual std::string ice_id() const;
#ifndef ICE_CPP11_MAPPING
virtual CertificateEncodingException* ice_clone() const;
#endif
std::string reason;
private:
static const char* _name;
};
//
// This exception is thrown if a distinguished name cannot be parsed.
//
class ICESSL_API ParseException : public IceUtil::ExceptionHelper<ParseException>
{
public:
ParseException(const char*, int, const std::string&);
#ifndef ICE_CPP11_COMPILER
virtual ~ParseException() throw();
#endif
virtual std::string ice_id() const;
#ifndef ICE_CPP11_MAPPING
virtual ParseException* ice_clone() const;
#endif
std::string reason;
private:
static const char* _name;
};
//
// This class represents a DistinguishedName, similar to the Java
// type X500Principal and the .NET type X500DistinguishedName.
//
// For comparison purposes, the value of a relative distinguished
// name (RDN) component is always unescaped before matching,
// therefore "ZeroC, Inc." will match ZeroC\, Inc.
//
// toString() always returns exactly the same information as was
// provided in the constructor (i.e., "ZeroC, Inc." will not turn
// into ZeroC\, Inc.).
//
class ICESSL_API DistinguishedName
{
public:
//
// Create a DistinguishedName from a string encoded using
// the rules in RFC2253.
//
// Throws ParseException if parsing fails.
//
explicit DistinguishedName(const std::string&);
//
// Create a DistinguishedName from a list of RDN pairs,
// where each pair consists of the RDN's type and value.
// For example, the RDN "O=ZeroC" is represented by the
// pair ("O", "ZeroC").
//
explicit DistinguishedName(const std::list<std::pair<std::string, std::string> >&);
//
// This is an exact match. The order of the RDN components is
// important.
//
friend ICESSL_API bool operator==(const DistinguishedName&, const DistinguishedName&);
friend ICESSL_API bool operator<(const DistinguishedName&, const DistinguishedName&);
//
// Perform a partial match with another DistinguishedName. The function
// returns true if all of the RDNs in the argument are present in this
// DistinguishedName and they have the same values.
//
bool match(const DistinguishedName&) const;
bool match(const std::string&) const;
//
// Encode the DN in RFC2253 format.
//
operator std::string() const;
protected:
void unescape();
private:
std::list<std::pair<std::string, std::string> > _rdns;
std::list<std::pair<std::string, std::string> > _unescaped;
};
inline bool
operator>(const DistinguishedName& lhs, const DistinguishedName& rhs)
{
return rhs < lhs;
}
inline bool
operator<=(const DistinguishedName& lhs, const DistinguishedName& rhs)
{
return !(lhs > rhs);
}
inline bool
operator>=(const DistinguishedName& lhs, const DistinguishedName& rhs)
{
return !(lhs < rhs);
}
inline bool
operator!=(const DistinguishedName& lhs, const DistinguishedName& rhs)
{
return !(lhs == rhs);
}
//
// This class represents an X509 Certificate extension.
//
class ICESSL_API X509Extension
#ifndef ICE_CPP11_MAPPING
: public virtual IceUtil::Shared
#endif
{
public:
virtual bool isCritical() const = 0;
virtual std::string getOID() const = 0;
virtual std::vector<Ice::Byte> getData() const = 0;
};
ICE_DEFINE_PTR(X509ExtensionPtr, X509Extension);
//
// This convenience class is a wrapper around a native certificate.
// The interface is inspired by java.security.cert.X509Certificate.
//
class Certificate;
ICE_DEFINE_PTR(CertificatePtr, Certificate);
class ICESSL_API Certificate :
#ifdef ICE_CPP11_MAPPING
public std::enable_shared_from_this<Certificate>
#else
public virtual IceUtil::Shared
#endif
{
public:
//
// Compare the certificates for equality using the
// native certificate comparison method.
//
virtual bool operator==(const Certificate&) const = 0;
virtual bool operator!=(const Certificate&) const = 0;
//
// Authority key identifier
//
virtual std::vector<Ice::Byte> getAuthorityKeyIdentifier() const = 0;
//
// Subject key identifier
//
virtual std::vector<Ice::Byte> getSubjectKeyIdentifier() const = 0;
//
// Verify that this certificate was signed by the given certificate
// public key. Returns true if signed, false otherwise.
//
virtual bool verify(const CertificatePtr&) const = 0;
//
// Return a string encoding of the certificate in PEM format.
// Raises CertificateEncodingException if an error occurs.
//
virtual std::string encode() const = 0;
//
// Checks that the certificate is currently valid, that is, the current
// date falls between the validity period given in the certificate.
//
virtual bool checkValidity() const = 0;
//
// Checks that the certificate is valid at the given time.
//
#ifdef ICE_CPP11_MAPPING
virtual bool checkValidity(const std::chrono::system_clock::time_point&) const = 0;
#else
virtual bool checkValidity(const IceUtil::Time&) const = 0;
#endif
//
// Get the not-after validity time.
//
#ifdef ICE_CPP11_MAPPING
virtual std::chrono::system_clock::time_point getNotAfter() const = 0;
#else
virtual IceUtil::Time getNotAfter() const = 0;
#endif
//
// Get the not-before validity time.
//
#ifdef ICE_CPP11_MAPPING
virtual std::chrono::system_clock::time_point getNotBefore() const = 0;
#else
virtual IceUtil::Time getNotBefore() const = 0;
#endif
//
// Get the serial number. This is an arbitrarily large number.
//
virtual std::string getSerialNumber() const = 0;
//
// Get the issuer's distinguished name (DN).
//
virtual DistinguishedName getIssuerDN() const = 0;
//
// Get the values in the issuer's alternative names extension.
//
// The returned list contains a pair of int, string.
//
// otherName [0] OtherName
// rfc822Name [1] IA5String
// dNSName [2] IA5String
// x400Address [3] ORAddress
// directoryName [4] Name
// ediPartyName [5] EDIPartyName
// uniformResourceIdentifier [6] IA5String
// iPAddress [7] OCTET STRING
// registeredID [8] OBJECT IDENTIFIER
//
// rfc822Name, dNSName, directoryName and
// uniformResourceIdentifier data is returned as a string.
//
// iPAddress is returned in dotted quad notation. IPv6 is not
// currently supported.
//
// All distinguished names are encoded in RFC2253 format.
//
// The remainder of the data will result in an empty string. Use the raw
// X509* certificate to obtain these values.
//
virtual std::vector<std::pair<int, std::string> > getIssuerAlternativeNames() const = 0;
//
// Get the subject's distinguished name (DN).
//
virtual DistinguishedName getSubjectDN() const = 0;
//
// See the comment for getIssuerAlternativeNames.
//
virtual std::vector<std::pair<int, std::string> > getSubjectAlternativeNames() const = 0;
//
// Retrieve the certificate version number.
//
virtual int getVersion() const = 0;
//
// Stringify the certificate. This is a human readable version of
// the certificate, not a DER or PEM encoding.
//
virtual std::string toString() const = 0;
//
// Return a list with the X509v3 extensions contained in the
// certificate.
//
virtual std::vector<X509ExtensionPtr> getX509Extensions() const = 0;
//
// Return the extension with the given OID or null if the certificate
// does not contain a extension with the given OID.
//
virtual X509ExtensionPtr getX509Extension(const std::string&) const = 0;
//
// Load the certificate from a file. The certificate must use the
// PEM encoding format. Raises CertificateReadException if the
// file cannot be read.
//
static CertificatePtr load(const std::string&);
//
// Decode a certificate from a string that uses the PEM encoding
// format. Raises CertificateEncodingException if an error
// occurs.
//
static CertificatePtr decode(const std::string&);
};
#ifndef ICE_CPP11_MAPPING // C++98 mapping
//
// An application can customize the certificate verification process
// by implementing the CertificateVerifier interface.
//
class ICESSL_API CertificateVerifier : public IceUtil::Shared
{
public:
virtual ~CertificateVerifier();
//
// Return false if the connection should be rejected, or true to
// allow it.
//
virtual bool verify(const ConnectionInfoPtr&) = 0;
};
typedef IceUtil::Handle<CertificateVerifier> CertificateVerifierPtr;
//
// In order to read an encrypted file, such as one containing a
// private key, OpenSSL requests a password from IceSSL. The password
// can be defined using an IceSSL configuration property, but a
// plain-text password is a security risk. If a password is not
// supplied via configuration, IceSSL allows OpenSSL to prompt the
// user interactively. This may not be desirable (or even possible),
// so the application can supply an implementation of PasswordPrompt
// to take responsibility for obtaining the password.
//
// Note that the password is needed during plug-in initialization, so
// in general you will need to delay initialization (by defining
// IceSSL.DelayInit=1), configure the PasswordPrompt, then manually
// initialize the plug-in.
//
class ICESSL_API PasswordPrompt : public IceUtil::Shared
{
public:
virtual ~PasswordPrompt();
//
// The getPassword method may be invoked repeatedly, such as when
// several encrypted files are opened, or when multiple password
// attempts are allowed.
//
virtual std::string getPassword() = 0;
};
typedef IceUtil::Handle<PasswordPrompt> PasswordPromptPtr;
#endif
class ICESSL_API Plugin : public Ice::Plugin
{
public:
virtual ~Plugin();
//
// Establish the certificate verifier object. This should be done
// before any connections are established.
//
#ifdef ICE_CPP11_MAPPING
virtual void setCertificateVerifier(std::function<bool(const std::shared_ptr<ConnectionInfo>&)>) = 0;
#else
virtual void setCertificateVerifier(const CertificateVerifierPtr&) = 0;
#endif
//
// Establish the password prompt object. This must be done before
// the plug-in is initialized.
//
#ifdef ICE_CPP11_MAPPING
virtual void setPasswordPrompt(std::function<std::string()>) = 0;
#else
virtual void setPasswordPrompt(const PasswordPromptPtr&) = 0;
#endif
//
// Load the certificate from a file. The certificate must use the
// PEM encoding format. Raises CertificateReadException if the
// file cannot be read.
//
virtual CertificatePtr load(const std::string&) const = 0;
//
// Decode a certificate from a string that uses the PEM encoding
// format. Raises CertificateEncodingException if an error
// occurs.
//
virtual CertificatePtr decode(const std::string&) const = 0;
};
ICE_DEFINE_PTR(PluginPtr, Plugin);
}
#endif
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