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-rw-r--r--libkdenetwork/gpgmepp/callbacks.cpp138
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diff --git a/libkdenetwork/gpgmepp/callbacks.cpp b/libkdenetwork/gpgmepp/callbacks.cpp
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--- a/libkdenetwork/gpgmepp/callbacks.cpp
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-/* callbacks.cpp - callback targets for internal use:
- Copyright (C) 2003,2004 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 "callbacks.h"
-
-#include <gpgmepp/interfaces/progressprovider.h>
-#include <gpgmepp/interfaces/passphraseprovider.h>
-#include <gpgmepp/interfaces/dataprovider.h>
-#include <gpgmepp/context.h> // for Error
-
-#include <cassert>
-#include <cerrno>
-#include <unistd.h>
-#include <cstdlib>
-#include <string.h>
-#include <cstdlib>
-
-static inline gpg_error_t makeErrorFromErrno() {
- return gpg_err_make_from_errno( (gpg_err_source_t)22, errno );
-}
-static inline gpg_error_t makeError( gpg_err_code_t code ) {
- return gpg_err_make( (gpg_err_source_t)22, code );
-}
-
-using GpgME::ProgressProvider;
-using GpgME::PassphraseProvider;
-using GpgME::DataProvider;
-
-void progress_callback( void * opaque, const char * what,
- int type, int current, int total ) {
- ProgressProvider * provider = static_cast<ProgressProvider*>( opaque );
- if ( provider )
- provider->showProgress( what, type, current, total );
-}
-
-static void wipe( char * buf, size_t len ) {
- for ( size_t i = 0 ; i < len ; ++i )
- buf[i] = '\0';
-}
-
-gpgme_error_t passphrase_callback( void * opaque, const char * uid_hint, const char * desc,
- int prev_was_bad, int fd ) {
- PassphraseProvider * provider = static_cast<PassphraseProvider*>( opaque );
- bool canceled = false;
- gpgme_error_t err = GPG_ERR_NO_ERROR;
- char * passphrase = provider ? provider->getPassphrase( uid_hint, desc, prev_was_bad, canceled ) : 0 ;
- if ( canceled )
- err = makeError( GPG_ERR_CANCELED );
- else
- if ( passphrase && *passphrase ) {
- size_t passphrase_length = strlen( passphrase );
- size_t written = 0;
- do {
- ssize_t now_written = write( fd, passphrase + written, passphrase_length - written );
- if ( now_written < 0 ) {
- err = makeErrorFromErrno();
- break;
- }
- written += now_written;
- } while ( written < passphrase_length );
- }
-
- if ( passphrase && *passphrase )
- wipe( passphrase, strlen( passphrase ) );
- free( passphrase );
- write( fd, "\n", 1 );
- return err;
-}
-
-
-
-static ssize_t
-data_read_callback( void * opaque, void * buf, size_t buflen ) {
- DataProvider * provider = static_cast<DataProvider*>( opaque );
- if ( !provider ) {
- errno = EINVAL;
- return -1;
- }
- return provider->read( buf, buflen );
-}
-
-static ssize_t
-data_write_callback( void * opaque, const void * buf, size_t buflen ) {
- DataProvider * provider = static_cast<DataProvider*>( opaque );
- if ( !provider ) {
- errno = EINVAL;
- return -1;
- }
- return provider->write( buf, buflen );
-}
-
-static off_t
-data_seek_callback( void * opaque, off_t offset, int whence ) {
- DataProvider * provider = static_cast<DataProvider*>( opaque );
- if ( !provider ) {
- errno = EINVAL;
- return -1;
- }
- if ( whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END ) {
- errno = EINVAL;
- return -1;
- }
- return provider->seek( offset, whence );
-}
-
-static void data_release_callback( void * opaque ) {
- DataProvider * provider = static_cast<DataProvider*>( opaque );
- if ( provider )
- provider->release();
-}
-
-gpgme_data_cbs data_provider_callbacks = {
- &data_read_callback,
- &data_write_callback,
- &data_seek_callback,
- &data_release_callback
-};
-