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tdepim/libtdenetwork/gpgmepp/context.cpp

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/* context.cpp - wraps a gpgme key context
Copyright (C) 2003 Klarälvdalens Datakonsult AB
This file is part of GPGME++.
GPGME++ 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; either version 2 of the License, or
(at your option) any later version.
GPGME++ 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 GPGME++; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gpgmepp/context.h>
#include <gpgmepp/eventloopinteractor.h>
#include <gpgmepp/trustitem.h>
#include <gpgmepp/keylistresult.h>
#include <gpgmepp/keygenerationresult.h>
#include <gpgmepp/importresult.h>
#include <gpgmepp/decryptionresult.h>
#include <gpgmepp/verificationresult.h>
#include <gpgmepp/signingresult.h>
#include <gpgmepp/encryptionresult.h>
#include <gpgmepp/engineinfo.h>
#include "callbacks.h"
#include "data_p.h"
#include "context_p.h"
#include "util.h"
#include <gpgme.h>
#include <gpg-error.h>
//#include <string>
//using std::string;
#include <istream>
#ifndef NDEBUG
#include <iostream>
using std::cerr;
using std::endl;
#endif
#include <cassert>
namespace GpgME {
void initializeLibrary() {
gpgme_check_version( 0 );
}
const char * Error::source() const {
return gpgme_strsource( (gpgme_error_t)mErr );
}
const char * Error::asString() const {
return gpgme_strerror( (gpgme_error_t)mErr );
}
int Error::code() const {
return gpgme_err_code( mErr );
}
int Error::sourceID() const {
return gpgme_err_source( mErr );
}
bool Error::isCanceled() const {
return code() == GPG_ERR_CANCELED;
}
std::ostream & operator<<( std::ostream & os, Error err ) {
return os << "GpgME::Error(" << err.operator int() << " (" << err.asString() << "))";
}
Context::Context( gpgme_ctx_t ctx ) {
d = new Private( ctx );
}
Context::~Context() {
delete d; d = 0;
}
Context * Context::createForProtocol( Protocol proto ) {
gpgme_ctx_t ctx = 0;
if ( gpgme_new ( &ctx ) != 0 )
return 0;
switch ( proto ) {
case OpenPGP:
if ( gpgme_set_protocol( ctx, GPGME_PROTOCOL_OpenPGP ) != 0 ) {
gpgme_release( ctx );
return 0;
}
break;
case CMS:
if ( gpgme_set_protocol( ctx, GPGME_PROTOCOL_CMS ) != 0 ) {
gpgme_release( ctx );
return 0;
}
break;
default:
return 0;
}
return new Context( ctx );
}
//
//
// Context attributes:
//
//
Context::Protocol Context::protocol() const {
gpgme_protocol_t p = gpgme_get_protocol( d->ctx );
switch ( p ) {
case GPGME_PROTOCOL_OpenPGP: return OpenPGP;
case GPGME_PROTOCOL_CMS: return CMS;
default: return Unknown;
}
}
void Context::setArmor( bool useArmor ) {
gpgme_set_armor( d->ctx, int( useArmor ) );
}
bool Context::armor() const {
return gpgme_get_armor( d->ctx );
}
void Context::setTextMode( bool useTextMode ) {
gpgme_set_textmode( d->ctx, int( useTextMode ) );
}
bool Context::textMode() const {
return gpgme_get_textmode( d->ctx );
}
void Context::setIncludeCertificates( int which ) {
if ( which == DefaultCertificates ) {
#ifdef HAVE_GPGME_INCLUDE_CERTS_DEFAULT
which = GPGME_INCLUDE_CERTS_DEFAULT;
#else
which = 1;
#endif
}
gpgme_set_include_certs( d->ctx, which );
}
int Context::includeCertificates() const {
return gpgme_get_include_certs( d->ctx );
}
void Context::setKeyListMode( unsigned int mode ) {
gpgme_set_keylist_mode( d->ctx, add_to_gpgme_keylist_mode_t( 0, mode ) );
}
void Context::addKeyListMode( unsigned int mode ) {
const unsigned int cur = gpgme_get_keylist_mode( d->ctx );
gpgme_set_keylist_mode( d->ctx, add_to_gpgme_keylist_mode_t( cur, mode ) );
}
unsigned int Context::keyListMode() const {
return convert_from_gpgme_keylist_mode_t( gpgme_get_keylist_mode( d->ctx ) );
}
void Context::setProgressProvider( ProgressProvider * provider ) {
gpgme_set_progress_cb( d->ctx, provider ? &progress_callback : 0, provider );
}
ProgressProvider * Context::progressProvider() const {
void * pp = 0;
gpgme_progress_cb_t pcb = &progress_callback;
gpgme_get_progress_cb( d->ctx, &pcb, &pp );
return static_cast<ProgressProvider*>( pp );
}
void Context::setPassphraseProvider( PassphraseProvider * provider ) {
gpgme_set_passphrase_cb( d->ctx, provider ? &passphrase_callback : 0, provider );
}
PassphraseProvider * Context::passphraseProvider() const {
void * pp = 0;
gpgme_passphrase_cb_t pcb = &passphrase_callback;
gpgme_get_passphrase_cb( d->ctx, &pcb, &pp );
return static_cast<PassphraseProvider*>( pp );
}
void Context::setManagedByEventLoopInteractor( bool manage ) {
if ( !EventLoopInteractor::instance() ) {
#ifndef NDEBUG
cerr << "Context::setManagedByEventLoopInteractor(): "
"You must create an instance of EventLoopInteractor "
"before using anything that needs one." << endl;
#endif
return;
}
if ( manage )
EventLoopInteractor::instance()->manage( this );
else
EventLoopInteractor::instance()->unmanage( this );
}
bool Context::managedByEventLoopInteractor() const {
return d->iocbs != 0;
}
void Context::installIOCallbacks( gpgme_io_cbs * iocbs ) {
if ( !iocbs ) {
uninstallIOCallbacks();
return;
}
gpgme_set_io_cbs( d->ctx, iocbs );
delete d->iocbs; d->iocbs = iocbs;
}
void Context::uninstallIOCallbacks() {
static gpgme_io_cbs noiocbs = { 0, 0, 0, 0, 0 };
// io.add == 0 means disable io callbacks:
gpgme_set_io_cbs( d->ctx, &noiocbs );
delete d->iocbs; d->iocbs = 0;
}
Error Context::setLocale( int cat, const char * val ) {
return d->lasterr = gpgme_set_locale( d->ctx, cat, val );
}
//
//
// Key Management
//
//
Error Context::startKeyListing( const char * pattern, bool secretOnly ) {
d->lastop = Private::KeyList;
return d->lasterr = gpgme_op_keylist_start( d->ctx, pattern, int( secretOnly ) );
}
Error Context::startKeyListing( const char * patterns[], bool secretOnly ) {
d->lastop = Private::KeyList;
return d->lasterr = gpgme_op_keylist_ext_start( d->ctx, patterns, int( secretOnly ), 0 );
}
Key Context::nextKey( GpgME::Error & e ) {
d->lastop = Private::KeyList;
gpgme_key_t key;
e = d->lasterr = gpgme_op_keylist_next( d->ctx, &key );
return Key( key, false, keyListMode() );
}
KeyListResult Context::endKeyListing() {
d->lasterr = gpgme_op_keylist_end( d->ctx );
return keyListResult();
}
KeyListResult Context::keyListResult() const {
return KeyListResult( d->ctx, d->lasterr );
}
Key Context::key( const char * fingerprint, GpgME::Error & e , bool secret /*, bool forceUpdate*/ ) {
d->lastop = Private::KeyList;
gpgme_key_t key;
e = d->lasterr = gpgme_get_key( d->ctx, fingerprint, &key, int( secret )/*, int( forceUpdate )*/ );
return Key( key, false, keyListMode() );
}
KeyGenerationResult Context::generateKey( const char * parameters, Data & pubKey ) {
d->lastop = Private::KeyGen;
Data::Private * dp = pubKey.impl();
d->lasterr = gpgme_op_genkey( d->ctx, parameters, dp ? dp->data : 0, 0 );
return KeyGenerationResult( d->ctx, d->lasterr );
}
Error Context::startKeyGeneration( const char * parameters, Data & pubKey ) {
d->lastop = Private::KeyGen;
Data::Private * dp = pubKey.impl();
return d->lasterr = gpgme_op_genkey_start( d->ctx, parameters, dp ? dp->data : 0, 0 );
}
KeyGenerationResult Context::keyGenerationResult() const {
if ( d->lastop & Private::KeyGen )
return KeyGenerationResult( d->ctx, d->lasterr );
else
return KeyGenerationResult();
}
Error Context::exportPublicKeys( const char * pattern, Data & keyData ) {
d->lastop = Private::Export;
Data::Private * dp = keyData.impl();
return d->lasterr = gpgme_op_export( d->ctx, pattern, 0, dp ? dp->data : 0 );
}
Error Context::exportPublicKeys( const char * patterns[], Data & keyData ) {
d->lastop = Private::Export;
Data::Private * dp = keyData.impl();
return d->lasterr = gpgme_op_export_ext( d->ctx, patterns, 0, dp ? dp->data : 0 );
}
Error Context::startPublicKeyExport( const char * pattern, Data & keyData ) {
d->lastop = Private::Export;
Data::Private * dp = keyData.impl();
return d->lasterr = gpgme_op_export_start( d->ctx, pattern, 0, dp ? dp->data : 0 );
}
Error Context::startPublicKeyExport( const char * patterns[], Data & keyData ) {
d->lastop = Private::Export;
Data::Private * dp = keyData.impl();
return d->lasterr = gpgme_op_export_ext_start( d->ctx, patterns, 0, dp ? dp->data : 0 );
}
ImportResult Context::importKeys( const Data & data ) {
d->lastop = Private::Import;
Data::Private * dp = data.impl();
d->lasterr = gpgme_op_import( d->ctx, dp ? dp->data : 0 );
return ImportResult( d->ctx, d->lasterr );
}
Error Context::startKeyImport( const Data & data ) {
d->lastop = Private::Import;
Data::Private * dp = data.impl();
return d->lasterr = gpgme_op_import_start( d->ctx, dp ? dp->data : 0 );
}
ImportResult Context::importResult() const {
if ( d->lastop & Private::Import )
return ImportResult( d->ctx, d->lasterr );
else
return ImportResult();
}
Error Context::deleteKey( const Key & key, bool allowSecretKeyDeletion ) {
d->lastop = Private::Delete;
return d->lasterr = gpgme_op_delete( d->ctx, key.impl(), int( allowSecretKeyDeletion ) );
}
Error Context::startKeyDeletion( const Key & key, bool allowSecretKeyDeletion ) {
d->lastop = Private::Delete;
return d->lasterr = gpgme_op_delete_start( d->ctx, key.impl(), int( allowSecretKeyDeletion ) );
}
Error Context::startTrustItemListing( const char * pattern, int maxLevel ) {
d->lastop = Private::TrustList;
return d->lasterr = gpgme_op_trustlist_start( d->ctx, pattern, maxLevel );
}
TrustItem Context::nextTrustItem( Error & e ) {
gpgme_trust_item_t ti = 0;
e = d->lasterr = gpgme_op_trustlist_next( d->ctx, &ti );
return ti;
}
Error Context::endTrustItemListing() {
return d->lasterr = gpgme_op_trustlist_end( d->ctx );
}
DecryptionResult Context::decrypt( const Data & cipherText, Data & plainText ) {
d->lastop = Private::Decrypt;
Data::Private * cdp = cipherText.impl();
Data::Private * pdp = plainText.impl();
d->lasterr = gpgme_op_decrypt( d->ctx, cdp ? cdp->data : 0, pdp ? pdp->data : 0 );
return DecryptionResult( d->ctx, d->lasterr );
}
Error Context::startDecryption( const Data & cipherText, Data & plainText ) {
d->lastop = Private::Decrypt;
Data::Private * cdp = cipherText.impl();
Data::Private * pdp = plainText.impl();
return d->lasterr = gpgme_op_decrypt_start( d->ctx, cdp ? cdp->data : 0, pdp ? pdp->data : 0 );
}
DecryptionResult Context::decryptionResult() const {
if ( d->lastop & Private::Decrypt )
return DecryptionResult( d->ctx, d->lasterr );
else
return DecryptionResult();
}
VerificationResult Context::verifyDetachedSignature( const Data & signature, const Data & signedText ) {
d->lastop = Private::Verify;
Data::Private * sdp = signature.impl();
Data::Private * tdp = signedText.impl();
d->lasterr = gpgme_op_verify( d->ctx, sdp ? sdp->data : 0, tdp ? tdp->data : 0, 0 );
return VerificationResult( d->ctx, d->lasterr );
}
VerificationResult Context::verifyOpaqueSignature( const Data & signedData, Data & plainText ) {
d->lastop = Private::Verify;
Data::Private * sdp = signedData.impl();
Data::Private * pdp = plainText.impl();
d->lasterr = gpgme_op_verify( d->ctx, sdp ? sdp->data : 0, 0, pdp ? pdp->data : 0 );
return VerificationResult( d->ctx, d->lasterr );
}
Error Context::startDetachedSignatureVerification( const Data & signature, const Data & signedText ) {
d->lastop = Private::Verify;
Data::Private * sdp = signature.impl();
Data::Private * tdp = signedText.impl();
return d->lasterr = gpgme_op_verify_start( d->ctx, sdp ? sdp->data : 0, tdp ? tdp->data : 0, 0 );
}
Error Context::startOpaqueSignatureVerification( const Data & signedData, Data & plainText ) {
d->lastop = Private::Verify;
Data::Private * sdp = signedData.impl();
Data::Private * pdp = plainText.impl();
return d->lasterr = gpgme_op_verify_start( d->ctx, sdp ? sdp->data : 0, 0, pdp ? pdp->data : 0 );
}
VerificationResult Context::verificationResult() const {
if ( d->lastop & Private::Verify )
return VerificationResult( d->ctx, d->lasterr );
else
return VerificationResult();
}
std::pair<DecryptionResult,VerificationResult> Context::decryptAndVerify( const Data & cipherText, Data & plainText ) {
d->lastop = Private::DecryptAndVerify;
Data::Private * cdp = cipherText.impl();
Data::Private * pdp = plainText.impl();
d->lasterr = gpgme_op_decrypt_verify( d->ctx, cdp ? cdp->data : 0, pdp ? pdp->data : 0 );
return std::make_pair( DecryptionResult( d->ctx, d->lasterr ),
VerificationResult( d->ctx, d->lasterr ) );
}
Error Context::startCombinedDecryptionAndVerification( const Data & cipherText, Data & plainText ) {
d->lastop = Private::DecryptAndVerify;
Data::Private * cdp = cipherText.impl();
Data::Private * pdp = plainText.impl();
return d->lasterr = gpgme_op_decrypt_verify_start( d->ctx, cdp ? cdp->data : 0, pdp ? pdp->data : 0 );
}
#ifdef HAVE_GPGME_OP_GETAUDITLOG
unsigned int to_auditlog_flags( unsigned int flags ) {
unsigned int result = 0;
if ( flags & Context::HtmlAuditLog )
result |= GPGME_AUDITLOG_HTML;
if ( flags & Context::AuditLogWithHelp )
result |= GPGME_AUDITLOG_WITH_HELP;
return result;
}
#endif // HAVE_GPGME_OP_GETAUDITLOG
Error Context::startGetAuditLog( Data & output, unsigned int flags ) {
d->lastop = Private::GetAuditLog;
#ifdef HAVE_GPGME_OP_GETAUDITLOG
Data::Private * const odp = output.impl();
return Error( d->lasterr = gpgme_op_getauditlog_start( d->ctx, odp ? odp->data : 0, to_auditlog_flags( flags ) ) );
#else
(void)output; (void)flags;
return Error( d->lasterr = gpg_error( GPG_ERR_NOT_IMPLEMENTED ) );
#endif
}
Error Context::getAuditLog( Data & output, unsigned int flags ) {
d->lastop = Private::GetAuditLog;
#ifdef HAVE_GPGME_OP_GETAUDITLOG
Data::Private * const odp = output.impl();
return Error( d->lasterr = gpgme_op_getauditlog( d->ctx, odp ? odp->data : 0, to_auditlog_flags( flags ) ) );
#else
(void)output; (void)flags;
return Error( d->lasterr = gpg_error( GPG_ERR_NOT_IMPLEMENTED ) );
#endif
}
void Context::clearSigningKeys() {
gpgme_signers_clear( d->ctx );
}
Error Context::addSigningKey( const Key & key ) {
return d->lasterr = gpgme_signers_add( d->ctx, key.impl() );
}
Key Context::signingKey( unsigned int idx ) const {
gpgme_key_t key = gpgme_signers_enum( d->ctx, idx );
return Key( key, false, keyListMode() );
}
static gpgme_sig_mode_t sigmode2sigmode( Context::SignatureMode mode ) {
switch ( mode ) {
default:
case Context::Normal: return GPGME_SIG_MODE_NORMAL;
case Context::Detached: return GPGME_SIG_MODE_DETACH;
case Context::Clearsigned: return GPGME_SIG_MODE_CLEAR;
}
}
SigningResult Context::sign( const Data & plainText, Data & signature, SignatureMode mode ) {
d->lastop = Private::Sign;
Data::Private * pdp = plainText.impl();
Data::Private * sdp = signature.impl();
d->lasterr = gpgme_op_sign( d->ctx, pdp ? pdp->data : 0, sdp ? sdp->data : 0, sigmode2sigmode( mode ) );
return SigningResult( d->ctx, d->lasterr );
}
Error Context::startSigning( const Data & plainText, Data & signature, SignatureMode mode ) {
d->lastop = Private::Sign;
Data::Private * pdp = plainText.impl();
Data::Private * sdp = signature.impl();
return d->lasterr = gpgme_op_sign_start( d->ctx, pdp ? pdp->data : 0, sdp ? sdp->data : 0, sigmode2sigmode( mode ) );
}
SigningResult Context::signingResult() const {
if ( d->lastop & Private::Sign )
return SigningResult( d->ctx, d->lasterr );
else
return SigningResult();
}
EncryptionResult Context::encrypt( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags ) {
d->lastop = Private::Encrypt;
Data::Private * pdp = plainText.impl();
Data::Private * cdp = cipherText.impl();
gpgme_key_t * keys = new gpgme_key_t[ recipients.size() + 1 ];
gpgme_key_t * keys_it = keys;
for ( std::vector<Key>::const_iterator it = recipients.begin() ; it != recipients.end() ; ++it )
if ( it->impl() )
*keys_it++ = it->impl();
*keys_it++ = 0;
d->lasterr = gpgme_op_encrypt( d->ctx, keys,
flags & AlwaysTrust ? GPGME_ENCRYPT_ALWAYS_TRUST : (gpgme_encrypt_flags_t)0,
pdp ? pdp->data : 0, cdp ? cdp->data : 0 );
delete[] keys;
return EncryptionResult( d->ctx, d->lasterr );
}
Error Context::encryptSymmetrically( const Data & plainText, Data & cipherText ) {
d->lastop = Private::Encrypt;
Data::Private * pdp = plainText.impl();
Data::Private * cdp = cipherText.impl();
return d->lasterr = gpgme_op_encrypt( d->ctx, 0, (gpgme_encrypt_flags_t)0,
pdp ? pdp->data : 0, cdp ? cdp->data : 0 );
}
Error Context::startEncryption( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags ) {
d->lastop = Private::Encrypt;
Data::Private * pdp = plainText.impl();
Data::Private * cdp = cipherText.impl();
gpgme_key_t * keys = new gpgme_key_t[ recipients.size() + 1 ];
gpgme_key_t * keys_it = keys;
for ( std::vector<Key>::const_iterator it = recipients.begin() ; it != recipients.end() ; ++it )
if ( it->impl() )
*keys_it++ = it->impl();
*keys_it++ = 0;
d->lasterr = gpgme_op_encrypt_start( d->ctx, keys,
flags & AlwaysTrust ? GPGME_ENCRYPT_ALWAYS_TRUST : (gpgme_encrypt_flags_t)0,
pdp ? pdp->data : 0, cdp ? cdp->data : 0 );
delete[] keys;
return d->lasterr;
}
EncryptionResult Context::encryptionResult() const {
if ( d->lastop & Private::Encrypt )
return EncryptionResult( d->ctx, d->lasterr );
else
return EncryptionResult();
}
std::pair<SigningResult,EncryptionResult> Context::signAndEncrypt( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags ) {
d->lastop = Private::SignAndEncrypt;
Data::Private * pdp = plainText.impl();
Data::Private * cdp = cipherText.impl();
gpgme_key_t * keys = new gpgme_key_t[ recipients.size() + 1 ];
gpgme_key_t * keys_it = keys;
for ( std::vector<Key>::const_iterator it = recipients.begin() ; it != recipients.end() ; ++it )
if ( it->impl() )
*keys_it++ = it->impl();
*keys_it++ = 0;
d->lasterr = gpgme_op_encrypt_sign( d->ctx, keys,
flags & AlwaysTrust ? GPGME_ENCRYPT_ALWAYS_TRUST : (gpgme_encrypt_flags_t)0,
pdp ? pdp->data : 0, cdp ? cdp->data : 0 );
delete[] keys;
return std::make_pair( SigningResult( d->ctx, d->lasterr ),
EncryptionResult( d->ctx, d->lasterr ) );
}
Error Context::startCombinedSigningAndEncryption( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags ) {
d->lastop = Private::SignAndEncrypt;
Data::Private * pdp = plainText.impl();
Data::Private * cdp = cipherText.impl();
gpgme_key_t * keys = new gpgme_key_t[ recipients.size() + 1 ];
gpgme_key_t * keys_it = keys;
for ( std::vector<Key>::const_iterator it = recipients.begin() ; it != recipients.end() ; ++it )
if ( it->impl() )
*keys_it++ = it->impl();
*keys_it++ = 0;
d->lasterr = gpgme_op_encrypt_sign_start( d->ctx, keys,
flags & AlwaysTrust ? GPGME_ENCRYPT_ALWAYS_TRUST : (gpgme_encrypt_flags_t)0,
pdp ? pdp->data : 0, cdp ? cdp->data : 0 );
delete[] keys;
return d->lasterr;
}
Error Context::cancelPendingOperation() {
#ifdef HAVE_GPGME_CANCEL
return gpgme_cancel( d->ctx );
#else
return 0;
#endif
}
bool Context::poll() {
gpgme_error_t e = GPG_ERR_NO_ERROR;
const bool finished = gpgme_wait( d->ctx, &e, 0 );
if ( finished )
d->lasterr = e;
return finished;
}
Error Context::wait() {
gpgme_error_t e = GPG_ERR_NO_ERROR;
gpgme_wait( d->ctx, &e, 1 );
return d->lasterr = e;
}
Error Context::lastError() const {
return d->lasterr;
}
std::ostream & operator<<( std::ostream & os, Context::Protocol proto ) {
os << "GpgME::Context::Protocol(";
switch ( proto ) {
case Context::OpenPGP:
os << "OpenPGP";
break;
case Context::CMS:
os << "CMS";
break;
default:
case Context::Unknown:
os << "Unknown";
break;
}
return os << ')';
}
std::ostream & operator<<( std::ostream & os, Context::CertificateInclusion incl ) {
os << "GpgME::Context::CertificateInclusion(" << static_cast<int>( incl );
switch ( incl ) {
case Context::DefaultCertificates:
os << "(DefaultCertificates)";
break;
case Context::AllCertificatesExceptRoot:
os << "(AllCertificatesExceptRoot)";
break;
case Context::AllCertificates:
os << "(AllCertificates)";
break;
case Context::NoCertificates:
os << "(NoCertificates)";
break;
case Context::OnlySenderCertificate:
os << "(OnlySenderCertificate)";
break;
}
return os << ')';
}
std::ostream & operator<<( std::ostream & os, Context::KeyListMode mode ) {
os << "GpgME::Context::KeyListMode(";
#define CHECK( x ) if ( !(mode & (Context::x)) ) {} else do { os << #x " "; } while (0)
CHECK( Local );
CHECK( Extern );
CHECK( Signatures );
CHECK( Validate );
#undef CHECK
return os << ')';
}
std::ostream & operator<<( std::ostream & os, Context::SignatureMode mode ) {
os << "GpgME::Context::SignatureMode(";
switch ( mode ) {
#define CHECK( x ) case Context::x: os << #x; break
CHECK( Normal );
CHECK( Detached );
CHECK( Clearsigned );
#undef CHECK
default:
os << "???" "(" << static_cast<int>( mode ) << ')';
break;
}
return os << ')';
}
std::ostream & operator<<( std::ostream & os, Context::EncryptionFlags flags ) {
os << "GpgME::Context::EncryptionFlags(";
#define CHECK( x ) if ( !(flags & (Context::x)) ) {} else do { os << #x " "; } while (0)
CHECK( AlwaysTrust );
#undef CHECK
return os << ')';
}
std::ostream & operator<<( std::ostream & os, Context::AuditLogFlags flags ) {
os << "GpgME::Context::AuditLogFlags(";
#define CHECK( x ) if ( !(flags & (Context::x)) ) {} else do { os << #x " "; } while (0)
CHECK( HtmlAuditLog );
CHECK( AuditLogWithHelp );
#undef CHECK
return os << ')';
}
} // namespace GpgME
GpgME::Error GpgME::setDefaultLocale( int cat, const char * val ) {
return gpgme_set_locale( 0, cat, val );
}
GpgME::EngineInfo GpgME::engineInfo( Context::Protocol proto ) {
gpgme_engine_info_t ei = 0;
if ( gpgme_get_engine_info( &ei ) )
return EngineInfo();
gpgme_protocol_t p = proto == Context::CMS ? GPGME_PROTOCOL_CMS : GPGME_PROTOCOL_OpenPGP ;
for ( gpgme_engine_info_t i = ei ; i ; i = i->next )
if ( i->protocol == p )
return EngineInfo( i );
return EngineInfo();
}
GpgME::Error GpgME::checkEngine( Context::Protocol proto ) {
gpgme_protocol_t p = proto == Context::CMS ? GPGME_PROTOCOL_CMS : GPGME_PROTOCOL_OpenPGP ;
return gpgme_engine_check_version( p );
}
static const unsigned long supported_features = 0
#ifdef HAVE_GPGME_KEYLIST_MODE_VALIDATE
| GpgME::ValidatingKeylistModeFeature
#endif
#ifdef HAVE_GPGME_CANCEL
| GpgME::CancelOperationFeature
#endif
#ifdef HAVE_GPGME_WRONG_KEY_USAGE
| GpgME::WrongKeyUsageFeature
#endif
#ifdef HAVE_GPGME_OP_GETAUDITLOG
| GpgME::AuditLogFeature
#endif
;
bool GpgME::hasFeature( unsigned long features ) {
return features == ( features & supported_features );
}
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