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kmail/cryptplugwrapper.h

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/**
* cryptplugwrapper.h
*
* Copyright (c) 2001 Karl-Heinz Zimmer, Klaraelvdalens Datakonsult AB
*
* This CRYPTPLUG wrapper interface is based on cryptplug.h by
* Karl-Heinz Zimmer which is based on 'The Aegypten Plugin API' as
* specified by Matthias Kalle Dalheimer, Klaraelvdalens Datakonsult AB,
* see file mua-integration.sgml located on Aegypten CVS:
* http://www.gnupg.org/aegypten/development.en.html
*
* purpose: Wrap up all Aegypten Plugin API functions in one C++ class
* for usage by KDE programs, e.g. KMail (or KMime, resp.)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef cryptplugwrapper_h
#define cryptplugwrapper_h
/*
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* This file's source comments are optimized for processing by Doxygen. *
* *
* To obtain best results please get an updated version of Doxygen, *
* for sources and binaries goto http://www.doxygen.org/index.html *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
*/
#include <kapplication.h>
#include <kdebug.h>
#include "cryptplug.h"
/*! \file cryptplugwrapper.h
\brief C++ wrapper for the CRYPTPLUG library API.
This CRYPTPLUG wrapper interface is based on cryptplug.h by
Karl-Heinz Zimmer which is based on 'The Aegypten Plugin API' as
specified by Matthias Kalle Dalheimer, Klaraelvdalens Datakonsult AB,
see file mua-integration.sgml located on Aegypten CVS:
http://www.gnupg.org/aegypten/development.en.html
purpose: Wrap up all Aegypten Plugin API functions in one C++ class
for usage by KDE programs, e.g. KMail (or KMime, resp.)
CRYPTPLUG is an independent cryptography plug-in API
developed for Sphinx-enabeling KMail and Mutt.
CRYPTPLUG was designed for the Aegypten project, but it may
be used by 3rd party developers as well to design pluggable
crypto backends for the above mentioned MUAs.
\note All string parameters appearing in this API are to be
interpreted as UTF-8 encoded.
\see cryptplugwrapper.cpp
*/
/*! \defgroup groupAdmin Constructor, destructor and setting of 'active' flag
The functions in this section are used for general administration of
this CRYPTPLUG wrapper class and for maintaining a separate \c active flag
for environments using more than one CRYPTPLUG library simultaneously.
*/
/*! \defgroup groupGeneral Loading and Unloading the Plugin, General Functionality
The functions in this section are used for loading and
unloading the respective CRYPTPLUG library, for (re)setting
it's internal data structures and for retrieving information
on the implementation state of all functions covered by the CRYPTPLUG API.
*/
/*! \defgroup groupDisplay Graphical Display Functionality
The functions in this section return stationery that the
MUAs can use in order to display security functionality
graphically. This can be toolbar icons, shortcuts, tooltips,
etc. Not all MUAs will use all this functionality.
*/
/*! \defgroup groupConfig Configuration Support
The functions in this section provide the necessary
functionality to configure the security functionality as well
as to query configuration settings. Since all configuration
settings will not be saved with the plugin, but rather with
the MUA, there are also functions to set configuration
settings programmatically; these will be used on startup of
the plugin when the MUA transfers the configuration values it
has read into the plugin. Usually, the functions to query and
set the configuration values are not needed for anything but
saving to and restoring from configuration files.
*/
/*! \defgroup groupConfigSign Signature Configuration
\ingroup groupConfig
The functions in this section provide the functionality
to configure signature handling and set and query the
signature configuration.
*/
/*! \defgroup groupConfigCrypt Encryption Configuration
\ingroup groupConfig
The functions in this section provide the functionality
to configure encryption handling and set and query the
encryption configuration.
\note Whenever the term <b> encryption</b> is used here,
it is supposed to mean both encryption and decryption,
unless otherwise specified.
*/
/*! \defgroup groupConfigDir Directory Service Configuration
\ingroup groupConfig
This section contains messages for configuring the
directory service.
*/
/*! \defgroup groupCertHand Certificate Handling
The following methods are used to maintain and query certificates.
*/
/*! \defgroup groupSignAct Signature Actions
This section describes methods that are used for working
with signatures.
*/
/*! \defgroup groupCryptAct Encryption and Decryption
The following methods are used to encrypt and decrypt
email messages.
*/
/*! \defgroup groupCertAct Certificate Handling Actions
The functions in this section provide local certificate management.
*/
/*! \defgroup groupCRLAct CRL Handling Actions
This section describes functions for managing CRLs.
*/
/*!
\brief This class provides C++ access to the CRYPTPLUG API.
*/
class CryptPlugWrapper : public QObject
{
Q_OBJECT
public:
/*! \ingroup groupGeneral
\brief Current initialization state.
This flag holding status of previous call of initialize function.
If initialize was not called before return value will be
\c CryptPlugInit_undef.
\sa initStatus, initialize
*/
typedef enum {
InitStatus_undef = 0,
InitStatus_Ok = 1,
InitStatus_NoLibName = 2,
InitStatus_LoadError = 0x1000,
InitStatus_InitError = 0x2000
} InitStatus;
/*! \ingroup groupAdmin
\brief Constructor of CRYPTPLUG wrapper class.
This constructor does <b>not</b> call the initialize() method
but just stores some information for later use.
\note Since more than one crypto plug-in might be specified (using
multiple instances of the warpper class) it is neccessary to
set \c active at least one them. Only wrappers that have been
activated may be initialized or configured or used to perform
crypto actions.
\param parent The parent widget to be used for displaying dialogs.
If this parameter is NULL the desktop is used as
the dialogs' parent widget.
\param libName Complete path+name of CRYPTPLUG library that is to
be used by this instance of CryptPlugWrapper.
\param active Specify whether the relative library is to be used
or not.
\sa ~CryptPlugWrapper, setActive, active, initialize, deinitialize
\sa initStatus
*/
CryptPlugWrapper( QWidget* parent,
const QString& libName,
bool active = false );
/*! \ingroup groupAdmin
\brief Destructor of CRYPTPLUG wrapper class.
This destructor <b>does</b> call the deinitialize() method in case
this was not done by explicitely calling it before.
\sa deinitialize, initialize, CryptPlugWrapper(), setActive, active
\sa
*/
virtual ~CryptPlugWrapper();
/*! \ingroup groupAdmin
\brief Set this CRYPTPLUG wrapper's internal \c active flag.
Since more than one crypto plug-in might be specified (using
multiple instances of the warpper class) it is neccessary to
set \c active at least one them. Only wrappers that have been
activated may be initialized or configured or used to perform
crypto actions.
This flag may be set in the constructor or by calling setActive().
\note Deactivating does <b>not</b> mean resetting the internal
structures - if just prevents the normal functions from
being called erroneously. When deactivated only the following
functions are operational: constructor , destructor ,
setActive , active, setLibName , libName , initStatus;
calling other functions will be ignored and their return
values will be undefined.
\param active Specify whether the relative library is to be used
or not.
\sa active, CryptPlugWrapper(), ~CryptPlugWrapper
\sa deinitialize, initialize, initStatus
*/
void setActive( bool active );
/*! \ingroup groupAdmin
\brief Returns this CRYPTPLUG wrapper's internal \c active flag.
\return whether the relative library is to be used or not.
\sa setActive
*/
bool active() const;
/*! \ingroup groupAdmin
\brief Set the CRYPTPLUG library name.
Complete path+name of CRYPTPLUG library that is to
be used by this instance of CryptPlugWrapper.
This name may be set in the constructor or by calling setLibName().
\note Setting/changing the library name may only be done when
the initStatus() is <b>not</b> \c InitStatus_Ok.
If you want to change the name of the library after
successfully having called initialize() please make
sure to unload it by calling the deinitialize() function.
\param libName libName Complete path+name of CRYPTPLUG library
that is to be used by this CryptPlugWrapper.
\return whether the library name could be changed; library name
can only be changed when library is not initialized - see
above 'note'.
\sa libName, CryptPlugWrapper(), ~CryptPlugWrapper
\sa deinitialize, initialize, initStatus
*/
bool setLibName( const QString& libName );
/*! \ingroup groupAdmin
\brief Returns the CRYPTPLUG library name.
\return the complete path+name of CRYPTPLUG library that is to
be used by this instance of CryptPlugWrapper.
\sa setLibName
*/
QString libName() const;
/*! \ingroup groupGeneral
\brief This function does two things: (a) load the lib and (b) set up all internal structures.
The method tries to load the CRYPTPLUG library specified
in the constructor and returns \c true if the both <b>loading
and initializing</b> the internal data structures was successful
and \c false otherwise. Before this function is called,
no other plugin functions should be called; the behavior is
undefined in this case, this rule does not apply to the functions
\c setActive() and \c setLibName().
\param initStatus will receive the resulting InitStatus if not NULL
\param errorMsg will receive the system error message if not NULL
\sa initStatus, deinitialize, CryptPlugWrapper(), ~CryptPlugWrapper
\sa setActive, active
*/
bool initialize( InitStatus* initStatus, QString* errorMsg );
/*! \ingroup groupGeneral
\brief This function unloads the lib and frees all internal structures.
After this function has been called, no other plugin functions
should be called; the behavior is undefined in this case.
\note Deinitializing sets the internal initStatus value back
to \c InitStatus_undef.
\sa initStatus, initialize, CryptPlugWrapper, ~CryptPlugWrapper
\sa setActive, active
*/
void deinitialize();
/*! \ingroup groupGeneral
\brief Returns this CRYPTPLUG wrapper's initialization state.
\param errorMsg receives the last system error message, this value
should be ignored if InitStatus value equals \c InitStatus_Ok.
\return whether the relative library was loaded and initialized
correctly
\sa initialize, deinitialize, CryptPlugWrapper(), ~CryptPlugWrapper
\sa setActive, active
*/
InitStatus initStatus( QString* errorMsg ) const;
/*! \ingroup groupGeneral
\brief This function returns \c true if the
specified feature is available in the plugin, and
\c false otherwise.
Not all plugins will support all features; a complete Sphinx
implementation will support all features contained in the enum,
however.
\note In case this function cannot be executed the system's error
message may be retrieved by calling initStatus( QString* ).
\return whether the relative feature is implemented or not
*/
bool hasFeature( Feature );
/*! \ingroup groupDisplay
\brief Returns stationery to indicate unsafe emails.
*/
void unsafeStationery( void** pixmap, const char** menutext, char* accel,
const char** tooltip, const char** statusbartext );
/*! \ingroup groupDisplay
\brief Returns stationery to indicate signed emails.
*/
void signedStationery( void** pixmap, const char** menutext, char* accel,
const char** tooltip, const char** statusbartext );
/*! \ingroup groupDisplay
\brief Returns stationery to indicate encrypted emails.
*/
void encryptedStationery( void** pixmap, const char**
menutext, char* accel,
const char** tooltip, const char** statusbartext );
/*! \ingroup groupDisplay
\brief Returns stationery to indicate signed and encrypted emails.
*/
void signedEncryptedStationery( void** pixmap, const char**
menutext, char* accel,
const char** tooltip, const char** statusbartext );
/*! \ingroup groupConfigSign
\brief This function returns an XML representation of a
configuration dialog for configuring signature
handling.
The syntax is that of <filename>.ui</filename>
files as specified in the <emphasis>Indien</emphasis>
documentation. This function does not execute or show the
dialog in any way; this is up to the MUA. Also, what the
MUA makes of the information provided highly depends on
the MUA itself. A GUI-based MUA will probably create a
dialog window (possibly integrated into an existing
configuration dialog in the application), while a
terminal-based MUA might generate a series of questions or
a terminal based menu selection.
*/
const char* signatureConfigurationDialog();
/*! \ingroup groupConfigSign
\brief This function returns an XML representation of a
configuration dialog for selecting a signature key.
This will typically be used when the user wants to select a
signature key for one specific message only; the defaults
are set in the dialog returned by
signatureConfigurationDialog().
*/
const char* signatureKeySelectionDialog();
/*! \ingroup groupConfigSign
\brief This function returns an XML representation of a
configuration dialog for selecting a signature
algorithm.
This will typically be used when the user wants
to select a signature algorithm for one specific message only; the
defaults are set in the dialog returned by
signatureConfigurationDialog().
*/
const char* signatureAlgorithmDialog();
/*! \ingroup groupConfigSign
\brief This function returns an XML representation of a
configuration dialog for selecting whether an email
message and its attachments should be sent with or
without signatures.
This will typically be used when the
user wants to select a signature key for one specific
message only; the defaults are set in the dialog returned
by signatureConfigurationDialog().
*/
const char* signatureHandlingDialog();
/*! \ingroup groupConfigSign
\brief Sets the signature key certificate that identifies the
role of the signer.
*/
void setSignatureKeyCertificate( const char* certificate );
/*! \ingroup groupConfigSign
\brief Returns the signature key certificate that identifies
the role of the signer.
*/
const char* signatureKeyCertificate();
/*! \ingroup groupConfigSign
\brief Sets the algorithm used for signing.
*/
void setSignatureAlgorithm( SignatureAlgorithm );
/*! \ingroup groupConfigSign
\brief Returns the algorithm used for signing.
*/
SignatureAlgorithm signatureAlgorithm();
/*! \ingroup groupConfigSign
\brief Sets which certificates should be sent with the
message.
*/
void setSendCertificates( SendCertificates );
/*! \ingroup groupConfigSign
\brief Returns which certificates should be sent with the
message.
*/
SendCertificates sendCertificates();
/*! \ingroup groupConfigSign
\brief Specifies whether email should be automatically
signed, signed after confirmation, signed after
confirmation for each part or not signed at all.
*/
void setSignEmail( SignEmail );
/*! \ingroup groupConfigSign
\brief Returns whether email should be automatically
signed, signed after confirmation, signed after
confirmation for each part or not signed at all.
*/
SignEmail signEmail();
/*! \ingroup groupConfigSign
\brief Specifies whether sent email messages should be stored
with or without their signatures.
*/
void setSaveSentSignatures( bool );
/*! \ingroup groupConfigSign
\brief Returns whether sent email messages should be stored
with or without their signatures.
*/
bool saveSentSignatures();
/*! \ingroup groupConfigSign
\brief Specifies whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
void setCertificateExpiryNearWarning( bool );
/*! \ingroup groupConfigSign
\brief Returns whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
bool certificateExpiryNearWarning();
/*! \ingroup groupConfigSign
\brief Specifies whether a warning should be emitted if the
email address of the sender is not contained in the
certificate.
*/
void setWarnNoCertificate( bool );
/*! \ingroup groupConfigSign
\brief Returns whether a warning should be emitted if the
email address of the sender is not contained in the
certificate.
*/
bool warnNoCertificate();
/*! \ingroup groupConfigSign
\brief Specifies how often the PIN is requested when
accessing the secret signature key.
*/
void setNumPINRequests( PinRequests );
/*! \ingroup groupConfigSign
\brief Returns how often the PIN is requested when
accessing the secret signature key.
*/
PinRequests numPINRequests();
/*! \ingroup groupConfigSign
\brief Specifies whether the certificate path should be
followed to the root certificate or whether locally stored
certificates may be used.
*/
void setCheckSignatureCertificatePathToRoot( bool );
/*! \ingroup groupConfigSign
\brief Returns whether the certificate path should be
followed to the root certificate or whether locally stored
certificates may be used.
*/
bool checkSignatureCertificatePathToRoot();
/*! \ingroup groupConfigSign
\brief Specifies whether certificate revocation lists should
be used.
*/
void setSignatureUseCRLs( bool );
/*! \ingroup groupConfigSign
\brief Returns whether certificate revocation lists should
be used.
*/
bool signatureUseCRLs();
/*! \ingroup groupConfigSign
\brief Specifies whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
void setSignatureCRLExpiryNearWarning( bool );
/*! \ingroup groupConfigSign
\brief Returns whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
bool signatureCRLExpiryNearWarning();
/*! \ingroup groupConfigSign
\brief Specifies the number of days which a certificate must
be valid before it is considered to expire in the near
future.
*/
void setSignatureCRLNearExpiryInterval( int );
/*! \ingroup groupConfigSign
\brief Returns the number of days which a certificate must
be valid before it is considered to expire in the near
future.
*/
int signatureCRLNearExpiryInterval();
/*! \ingroup groupConfigCrypt
\brief This function returns an XML representation of a
configuration dialog for configuring encryption
handling.
The syntax is that of <filename>.ui</filename>
files as specified in the <emphasis>Indien</emphasis>
documentation. This function does not execute or show the
dialog in any way; this is up to the MUA. Also, what the
MUA makes of the information provided highly depends on
the MUA itself. A GUI-based MUA will probably create a
dialog window (possibly integrated into an existing
configuration dialog in the application), while a
terminal-based MUA might generate a series of questions or
a terminal based menu selection.
*/
const char* encryptionConfigurationDialog();
/*! \ingroup groupConfigCrypt
\brief This function returns an XML representation of a
configuration dialog for selecting an encryption
algorithm.
This will typically be used when the user wants
to select an encryption algorithm for one specific message only; the
defaults are set in the dialog returned by
encryptionConfigurationDialog().
*/
const char* encryptionAlgorithmDialog();
/*! \ingroup groupConfigCrypt
\brief This function returns an XML representation of a
configuration dialog for selecting whether an email
message and its attachments should be encrypted.
This will typically be used when the
user wants to select an encryption key for one specific
message only; the defaults are set in the dialog returned
by encryptionConfigurationDialog().
*/
const char* encryptionHandlingDialog();
/*! \ingroup groupConfigCrypt
\brief This function returns an XML representation of a
dialog that lets the user select the certificate to use
for encrypting.
If it was not possible to determine the
correct certificate from the information in the email
message, the user is presented with a list of possible
certificates to choose from. If a unique certificate was
found, this is presented to the user, who needs to confirm
the selection of the certificate. This procedure is repeated
for each recipient of the email message.
*/
const char* encryptionReceiverDialog();
/*! \ingroup groupConfigCrypt
\brief Sets the algorithm used for encrypting.
*/
void setEncryptionAlgorithm( EncryptionAlgorithm );
/*! \ingroup groupConfigCrypt
\brief Returns the algorithm used for encrypting.
*/
EncryptionAlgorithm encryptionAlgorithm();
/*! \ingroup groupConfigCrypt
\brief Specifies whether email should be automatically
encrypted, encrypted after confirmation, encrypted after
confirmation for each part or not encrypted at all.
*/
void setEncryptEmail( EncryptEmail );
/*! \ingroup groupConfigCrypt
\brief Returns whether email should be automatically
encrypted, encrypted after confirmation, encrypted after
confirmation for each part or not encrypted at all.
*/
EncryptEmail encryptEmail();
/*! \ingroup groupConfigCrypt
\brief Specifies whether encrypted email messages should be
stored encrypted or decrypted.
*/
void setSaveMessagesEncrypted( bool );
/*! \ingroup groupConfigCrypt
\brief Returns whether encrypted email messages should be stored
encrypted or decrypted.
*/
bool saveMessagesEncrypted();
/*! \ingroup groupConfigCrypt
\brief Specifies whether the certificate path should be
followed to the root certificate or whether locally stored
certificates may be used.
*/
void setCheckEncryptionCertificatePathToRoot( bool );
/*! \ingroup groupConfigCrypt
\brief Returns whether the certificate path should be
followed to the root certificate or whether locally stored
certificates may be used.
*/
bool checkEncryptionCertificatePathToRoot();
/*! \ingroup groupConfigCrypt
\brief Specifies whether certificate revocation lists should
be used.
*/
void setEncryptionUseCRLs( bool );
/*! \ingroup groupConfigCrypt
\brief Returns whether certificate revocation lists should
be used.
*/
bool encryptionUseCRLs();
/*! \ingroup groupConfigCrypt
\brief Specifies whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
void setEncryptionCRLExpiryNearWarning( bool );
/*! \ingroup groupConfigCrypt
\brief Returns whether a warning should be emitted if any
of the certificates involved in the signing process
expires in the near future.
*/
bool encryptionCRLExpiryNearWarning();
/*! \ingroup groupConfigCrypt
\brief Specifies the number of days which a certificate must
be valid before it is considered to expire in the near
future.
*/
void setEncryptionCRLNearExpiryInterval( int );
/*! \ingroup groupConfigCrypt
\brief Returns the number of days which a certificate must
be valid before it is considered to expire in the near
future.
*/
int encryptionCRLNearExpiryInterval();
/*! \ingroup groupConfigDir
\brief This function returns an XML representation of a
configuration dialog for selecting a directory
server.
*/
const char* directoryServiceConfigurationDialog();
/*! \ingroup groupConfigDir
\brief Appends a directory server to the list of directory
services searched.
Will mainly be used for restoring
configuration data; interactive configuration will be done
via the configuration dialog returned by
\c directoryServiceConfigurationDialog().
*/
void appendDirectoryServer( const char* servername, int port );
/*! \ingroup groupConfigDir
Dummy!! To be replaced by real structure information...
*/
struct DirectoryServer {
struct DirectoryServer *prev;
struct DirectoryServer *next;
int data;
};
/*! \ingroup groupConfigDir
\brief Specifies a list of directory servers.
Will mainly be used for restoring
configuration data; interactive configuration will be done
via the configuration dialog returned by
\c directoryServiceConfigurationDialog().
*/
void setDirectoryServers( struct DirectoryServer );
/*! \ingroup groupConfigDir
\brief Returns the list of directory servers.
Will mainly be used for saving configuration data; interactive
configuration will be done via the configuration dialog
returned by
\c directoryServiceConfigurationDialog().
*/
DirectoryServer * directoryServers();
/*! \ingroup groupConfigDir
\brief Specifies whether certificates should be retrieved
from a directory server, only locally, or both.
*/
void setCertificateSource( CertificateSource );
/*! \ingroup groupConfigDir
\brief Returns whether certificates should be retrieved
from a directory server, only locally, or both.
*/
CertificateSource certificateSource();
/*! \ingroup groupConfigDir
\brief Specifies whether certificates should be retrieved
from a directory server, only locally, or both.
*/
void setCRLSource( CertificateSource );
/*! \ingroup groupConfigDir
\brief Returns whether certificates should be retrieved
from a directory server, only locally, or both.
*/
CertificateSource crlSource();
/*! \ingroup groupCertHand
\brief Returns \c true if and only if the
certificates in the certificate chain starting at
\c certificate are valid.
If \c level is non-null, the parameter contains
the degree of trust on a backend-specific scale. In an X.509
implementation, this will either be \c 1
(valid up to the root certificate) or \c 0
(not valid up to the root certificate).
*/
bool certificateValidity( const char* certificate, int* level );
/*! \ingroup groupSignAct
\brief Signs a message \c cleartext and returns
in \c ciphertext the message including
signature.
The signature role is specified by
\c certificate. If \c certificate is \c NULL,
the default certificate is used.
*/
bool signMessage( const char* cleartext,
const char** ciphertext,
const char* certificate );
/*! \ingroup groupSignAct
Dummy!! To be replaced by real structure information...
*/
struct SignatureMetaData {
int data;
};
/*! \ingroup groupSignAct
\brief Checks whether the signature of a message is
valid. \c ciphertext specifies the message
as it was received by the MUA, \c cleartext
is the message with the signature(s) removed.
Depending on the configuration, MUAs might not need to use this.
If \c sigmeta is non-null, the
\c SignatureMetaData object pointed to will
contain meta information about the signature after the
function call.
*/
bool checkMessageSignature( const char* ciphertext,
const char** cleartext,
struct SignatureMetaData* sigmeta );
/*! \ingroup groupSignAct
\brief Stores the certificates that follow with the message
\c ciphertext locally.
*/
bool storeCertificatesFromMessage( const char* ciphertext );
/*! \ingroup groupCryptAct
\brief Encrypts an email message in
\c cleartext according to the current
settings (algorithm, etc.) and returns it in
\c ciphertext.
If the message could be encrypted, the function returns
\c true, otherwise
\c false.
*/
bool encryptMessage( const char* cleartext, const char** ciphertext );
/*! \ingroup groupCryptAct
\brief Combines the functionality of
\c encryptMessage() and
\c signMessage().
If \c certificate is \c NULL,
the default certificate will be used. If
\c sigmeta is non-null, the
\c SignatureMetaData object pointed to will
contain meta information about the signature after the
function call.
*/
bool encryptAndSignMessage( const char* cleartext,
const char** ciphertext,
const char* certificate,
struct SignatureMetaData* sigmeta );
/*! \ingroup groupCryptAct
\brief Tries to decrypt an email message
\c ciphertext and returns the decrypted
message in \c cleartext.
The \c certificate is used for decryption. If
the message could be decrypted, the function returns
\c true, otherwise
\c false.
*/
bool decryptMessage( const char* ciphertext, const
char** cleartext, const char* certificate );
/*! \ingroup groupCryptAct
\brief Combines the functionality of
\c checkMessageSignature() and
\c decryptMessage().
If \c certificate is \c NULL,
the default certificate will be used. If
\c sigmeta is non-null, the
\c SignatureMetaData object pointed to will
contain meta information about the signature after the
function call.
*/
bool decryptAndCheckMessage( const char* ciphertext,
const char** cleartext,
const char* certificate,
struct SignatureMetaData* sigmeta );
/*! \ingroup groupCertAct
\brief This function returns an XML representation of a dialog
that can be used to fill in the data for requesting a
certificate (which in turn is done with the function
\c requestCertificate() described
next.
*/
const char* requestCertificateDialog();
/*! \ingroup groupCertAct
\brief Generates a prototype certificate with the data provided
in the first four parameters and sends it via email to the CA
specified in \c ca_address.
*/
bool requestDecentralCertificate( const char* name, const char*
email, const char* organization, const char* department,
const char* ca_address );
/*! \ingroup groupCertAct
\brief Requests a certificate in a PSE from the CA
specified in \c ca_address.
*/
bool requestCentralCertificateAndPSE( const char* name,
const char* email, const char* organization, const char* department,
const char* ca_address );
/*! \ingroup groupCertAct
\brief Creates a local PSE.
*/
bool createPSE();
/*! \ingroup groupCertAct
\brief Parses and adds a certificate returned by a CA upon
request with
\c requestDecentralCertificate() or
\c requestCentralCertificate().
If the certificate was requested with
\c requestCentralCertificate(), the
certificate returned will come complete with a PSE which is
also registered with this method.
*/
bool registerCertificate( const char* );
/*! \ingroup groupCertAct
\brief Requests the prolongation of the certificate
\c certificate from the CA
\c ca_address.
*/
bool requestCertificateProlongation( const char*
certificate, const char* ca_address );
/*! \ingroup groupCertAct
\brief Returns an HTML 2-formatted string that describes the
certificate chain of the user's certificate.
Data displayed is at least the issuer of the certificate, the serial number
of the certificate, the owner of the certificate, the checksum
of the certificate, the validity duration of the certificate,
the usage of the certificate, and the contained email
addresses, if any.
*/
const char* certificateChain();
/*! \ingroup groupCertAct
\brief Deletes the specified user certificate from the current
PSE.
*/
bool deleteCertificate( const char* certificate );
/*! \ingroup groupCertAct
\brief Archives the specified user certificate in the current PSE.
The certificate cannot be used any longer after this
operation unless it is unarchived.
*/
bool archiveCertificate( const char* certificate );
/*! \ingroup groupCRLAct
\brief Returns a HTML 2-formatted string that describes the
CRL, suitable for display in the MUA.
*/
const char* displayCRL();
/*! \ingroup groupCRLAct
\brief Manually update the CRL. CRLs will also be automatically
updated on demand by the backend.
If there is a local version of a CRL saved, it will be overwritten
with the new CRL from the CA.
*/
void updateCRL();
private:
QWidget* _parent;
QString _libName;
void* _libPtr;
bool _active;
bool _initialized;
InitStatus _initStatus;
QString _lastError;
void voidVoidFunc( const char* funcName );
bool boolConstCharFunc( const char* txt, const char* funcName );
void voidConstCharFunc( const char* txt, const char* funcName );
const char* constCharVoidFunc( const char* funcName );
void voidBoolFunc( bool flag, const char* funcName );
bool boolVoidFunc( const char* funcName );
void voidIntFunc( int value, const char* funcName );
int intVoidFunc( const char* funcName );
void stationeryFunc( void** pixmap, const char** menutext, char* accel,
const char** tooltip, const char** statusbartext,
const char* funcName );
};
#endif // cryptplugwrapper_h