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/*
* Copyright 2003-2016 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "Client.hxx"
#include "protocol/Ack.hxx"
#include "fs/Path.hxx"
#include "fs/FileInfo.hxx"
#include "util/Error.hxx"
#include <unistd.h>
void
Client::AllowFile(Path path_fs) const
{
#ifdef WIN32
(void)path_fs;
throw ProtocolError(ACK_ERROR_PERMISSION, "Access denied");
#else
if (uid >= 0 && (uid_t)uid == geteuid())
/* always allow access if user runs his own MPD
instance */
return;
if (uid < 0)
/* unauthenticated client */
throw ProtocolError(ACK_ERROR_PERMISSION, "Access denied");
const FileInfo fi(path_fs);
if (fi.GetUid() != (uid_t)uid && (fi.GetMode() & 0444) != 0444)
/* client is not owner */
throw ProtocolError(ACK_ERROR_PERMISSION, "Access denied");
#endif
}
bool
Client::AllowFile(Path path_fs, Error &error) const
{
#ifdef WIN32
(void)path_fs;
error.Set(ack_domain, ACK_ERROR_PERMISSION, "Access denied");
return false;
#else
if (uid >= 0 && (uid_t)uid == geteuid())
/* always allow access if user runs his own MPD
instance */
return true;
if (uid < 0) {
/* unauthenticated client */
error.Set(ack_domain, ACK_ERROR_PERMISSION, "Access denied");
return false;
}
FileInfo fi;
if (!GetFileInfo(path_fs, fi, error))
return false;
if (fi.GetUid() != (uid_t)uid && (fi.GetMode() & 0444) != 0444) {
/* client is not owner */
error.Set(ack_domain, ACK_ERROR_PERMISSION, "Access denied");
return false;
}
return true;
#endif
}
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