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/*****************************************************************************
* disc_helper.h: disc helper functions
*****************************************************************************
* Copyright (C) 2020 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 <errno.h>
#include <sys/stat.h>
#include <unistd.h>
#include <vlc_dialog.h>
#include <vlc_fs.h>
inline static int DiscProbeMacOSPermission( vlc_object_t *p_this, const char *psz_file )
{
#ifdef __APPLE__
/* Check is only relevant starting macOS Catalina */
if( __builtin_available( macOS 10.15, * ) )
{
/* Continue. The check above cannot be negated. */
}
else
{
return VLC_SUCCESS;
}
msg_Dbg( p_this, "Checking access permission for path %s", psz_file );
struct stat stat_buf;
if( vlc_stat( psz_file, &stat_buf ) != 0 )
return VLC_SUCCESS; // Continue with probing to be on the safe side
if( !S_ISBLK( stat_buf.st_mode ) && !S_ISCHR( stat_buf.st_mode ) )
return VLC_SUCCESS;
/* Check that device access in fact fails with EPERM error */
int retVal = access( psz_file, R_OK );
if( retVal == -1 && errno == EPERM )
{
msg_Err( p_this, "Path %s cannot be opened due to insufficient permissions", psz_file );
vlc_dialog_display_error( p_this, _("Problem accessing a system resource"),
_("Potentially, macOS blocks access to your disc. "
"Please open \"System Preferences\" -> \"Security & Privacy\" "
"and allow VLC to access your external media in \"Files and Folders\" section."));
return VLC_EGENERIC;
}
return VLC_SUCCESS;
#else
VLC_UNUSED( p_this );
VLC_UNUSED( psz_file );
return VLC_SUCCESS;
#endif
}
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