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/***************************************************************************
security.h - description
-------------------
begin : Thu Jun 24 11:22:12 2004
copyright : (C) 2004, 2005 by Andras Mantia <[email protected]>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; version 2 of the License. *
* *
***************************************************************************/
#ifndef SECURITY_H
#define SECURITY_H
//qt includes
#include <tqmap.h>
#include <tqobject.h>
class KProcIO;
class KProcess;
struct KeyStruct {
TQString id;
TQString name;
TQString mail;
bool trusted;
bool secret;
};
/**
Handles security releated issues, like signing, verifying.
It is a private class, not meant to be used by third party applications.
@author Andras Mantia <[email protected]>
*/
namespace KNS {
class Security : public TQObject
{
Q_OBJECT
TQ_OBJECT
public:
static Security* const ref()
{
static Security *m_ref;
if (!m_ref) m_ref = new Security();
return m_ref;
}
~Security();
/** Verifies the integrity and the signature of a tarball file.
* @param fileName the file to be verified. It should be a tar.gz (.tgz) file. The directory where
* the file is should contain a "signature" and a "md5sum" file, otherwise verification will fail.
* The method is asynchronous and the result is signalled with @ref validityResult.
*/
void checkValidity(const TQString &fileName);
/** Creates a signature and an md5sum file for the fileName and packs
* everything into a gzipped tarball.
* @param fileName the file with full path to sign
*
* The method is asynchronous and the result is signalled with @ref fileSigned.
*/
void signFile(const TQString &fileName);
/** Get the key used for signing. This method is valid only if:
* - the checkValidity was called
* - the result of the validity check does not have the UNKNOWN bit set
*
* @return the key used for signing the file
*/
KeyStruct signatureKey() {return m_signatureKey;}
enum Results {
MD5_OK = 1, /// The MD5 sum check is OK
SIGNED_OK = 2, /// The file is signed with a good signature
SIGNED_BAD = 4, /// The file is signed with a bad signature
TRUSTED = 8, /// The signature is trusted
UNKNOWN = 16, ///The key is unknown
SIGNED_BAD_CLEAR = 27, ///used to clear the SIGNED_BAD flag
BAD_PASSPHRASE = 32 ///wrong passhprase entered
};
public slots:
/** Reads the available public keys */
void readKeys();
/** Reads the available secret keys */
void readSecretKeys();
/** Verifies the integrity and the signature of a tarball file (@see m_fileName).
*/
void slotCheckValidity();
/** Creates a signature and an md5sum file for the @see m_fileName and packs
* everything into a gzipped tarball.
*/
void slotSignFile();
private:
Security();
enum RunMode {
List = 0, ///read the public keys
ListSecret, ///read the secret keys
Verify, ///verify the signature
Sign ///create signature
};
KeyStruct m_signatureKey;
int m_result;
int m_runMode;
bool m_gpgRunning; /// true if gpg is currently running
bool m_keysRead; /// true if all the keys were read
TQMap<TQString, KeyStruct> m_keys; /// holds information about the available key
TQString m_fileName; /// the file to sign/verify
TQString m_secretKey; /// the key used for signing
private slots:
void slotProcessExited(KProcess *process);
void slotDataArrived(KProcIO *process);
signals:
/** Sent when the validity check is done.
*
* @return the result of the check. See @ref Results
*/
void validityResult(int result);
/** Sent when the signing is done.
*
* @return the result of the operation. See @ref Results
*/
void fileSigned(int result);
};
}
#endif
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