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/*
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* lftp - file transfer program
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*
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* Copyright (c) 1996-2017 by Alexander V. Lukyanov (lav@yars.free.net)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include "LocalDir.h"
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#include "misc.h"
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#ifndef O_DIRECTORY
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# define O_DIRECTORY 0
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#endif
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void LocalDirectory::SetFromCWD()
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{
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Unset();
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fd=open(".",O_RDONLY|O_DIRECTORY);
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fcntl(fd,F_SETFD,FD_CLOEXEC);
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xgetcwd_to(name);
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}
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const char *LocalDirectory::Chdir()
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{
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#ifdef HAVE_FCHDIR
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if(fd!=-1)
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{
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int res=fchdir(fd);
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if(res==-1)
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return strerror(errno);
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return 0;
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}
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#endif
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if(name)
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{
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int res=chdir(name);
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if(res==-1)
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return strerror(errno);
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return 0;
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}
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return "Directory location is undefined";
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}
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const char *LocalDirectory::GetName()
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{
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return name;
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}
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void LocalDirectory::Unset()
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{
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if(fd!=-1)
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close(fd);
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fd=-1;
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name.set(0);
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}
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LocalDirectory::LocalDirectory()
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{
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fd=-1;
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}
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LocalDirectory::LocalDirectory(const LocalDirectory *o)
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{
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fd=-1;
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if(o->fd!=-1) {
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fd=dup(o->fd);
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fcntl(fd,F_SETFD,FD_CLOEXEC);
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}
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name.set(o->name);
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}
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LocalDirectory *LocalDirectory::Clone() const
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{
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return new LocalDirectory(this);
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}
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LocalDirectory::~LocalDirectory()
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{
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Unset();
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}
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