/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #include #include #include #include "file_error_transl.hxx" #include "file_url.hxx" #include "system.hxx" #include #include #include #include #ifdef HAVE_STATFS_H #undef HAVE_STATFS_H #endif #if defined(LINUX) && defined(__FreeBSD_kernel__) #undef LINUX #define FREEBSD 1 #endif #if defined(__sun) #include #include #define HAVE_STATFS_H #elif defined(LINUX) #include #define HAVE_STATFS_H #elif defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD) || defined(DRAGONFLY) #include #include #include #define HAVE_STATFS_H #elif defined(MACOSX) #include #include #define HAVE_STATFS_H #endif /* HAVE_STATFS_H */ /************************************************************************ * ToDo * * - Fix: check for corresponding struct sizes in exported functions * - check size/use of oslVolumeInfo ***********************************************************************/ /****************************************************************************** * * C-String Function Declarations * *****************************************************************************/ static oslFileError osl_psz_getVolumeInformation(const char* , oslVolumeInfo* pInfo, sal_uInt32 uFieldMask); /****************************************************************************/ /* osl_getVolumeInformation */ /****************************************************************************/ oslFileError osl_getVolumeInformation( rtl_uString* ustrDirectoryURL, oslVolumeInfo* pInfo, sal_uInt32 uFieldMask ) { char path[PATH_MAX]; oslFileError eRet; OSL_ASSERT( ustrDirectoryURL ); OSL_ASSERT( pInfo ); /* convert directory url to system path */ eRet = FileURLToPath( path, PATH_MAX, ustrDirectoryURL ); if( eRet != osl_File_E_None ) return eRet; #ifdef MACOSX if ( macxp_resolveAlias( path, PATH_MAX ) != 0 ) return oslTranslateFileError( errno ); #endif/* MACOSX */ return osl_psz_getVolumeInformation( path, pInfo, uFieldMask); } /****************************************************************************** * * C-String Versions of Exported Module Functions * *****************************************************************************/ #ifdef HAVE_STATFS_H #if defined(FREEBSD) || defined(MACOSX) || defined(OPENBSD) || defined(DRAGONFLY) # define OSL_detail_STATFS_STRUCT struct statfs # define OSL_detail_STATFS(dir, sfs) statfs((dir), (sfs)) # define OSL_detail_STATFS_BLKSIZ(a) (static_cast((a).f_bsize)) # define OSL_detail_STATFS_TYPENAME(a) ((a).f_fstypename) #if defined(OPENBSD) # define OSL_detail_STATFS_ISREMOTE(a) (rtl_str_compare((a).f_fstypename, "nfs") == 0) #else # define OSL_detail_STATFS_ISREMOTE(a) (((a).f_type & MNT_LOCAL) == 0) #endif /* always return true if queried for the properties of the file system. If you think this is wrong under any of the target platforms fix it!!!! */ # define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true) # define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true) #endif /* FREEBSD || MACOSX || OPENBSD */ #if defined(NETBSD) # define OSL_detail_STATFS_STRUCT struct statvfs # define OSL_detail_STATFS(dir, sfs) statvfs((dir), (sfs)) # define OSL_detail_STATFS_ISREMOTE(a) (((a).f_flag & ST_LOCAL) == 0) # define OSL_detail_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_bsize)) # define OSL_detail_STATFS_TYPENAME(a) ((a).f_fstypename) # define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (strcmp((a).f_fstypename, "msdos") != 0 && strcmp((a).f_fstypename, "ntfs") != 0 && strcmp((a).f_fstypename, "smbfs") != 0) # define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (strcmp((a).f_fstypename, "msdos") != 0) #endif /* NETBSD */ #if defined(LINUX) # define OSL_detail_NFS_SUPER_MAGIC 0x6969 # define OSL_detail_SMB_SUPER_MAGIC 0x517B # define OSL_detail_MSDOS_SUPER_MAGIC 0x4d44 # define OSL_detail_NTFS_SUPER_MAGIC 0x5346544e # define OSL_detail_STATFS_STRUCT struct statfs # define OSL_detail_STATFS(dir, sfs) statfs((dir), (sfs)) # define OSL_detail_STATFS_BLKSIZ(a) (static_cast((a).f_bsize)) # define OSL_detail_STATFS_IS_NFS(a) (OSL_detail_NFS_SUPER_MAGIC == (a).f_type) # define OSL_detail_STATFS_IS_SMB(a) (OSL_detail_SMB_SUPER_MAGIC == (a).f_type) # define OSL_detail_STATFS_ISREMOTE(a) (OSL_detail_STATFS_IS_NFS((a)) || OSL_detail_STATFS_IS_SMB((a))) # define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) ((OSL_detail_MSDOS_SUPER_MAGIC != (a).f_type) && (OSL_detail_NTFS_SUPER_MAGIC != (a).f_type)) # define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) ((OSL_detail_MSDOS_SUPER_MAGIC != (a).f_type)) #endif /* LINUX */ #if defined(__sun) # define OSL_detail_STATFS_STRUCT struct statvfs # define OSL_detail_STATFS(dir, sfs) statvfs((dir), (sfs)) # define OSL_detail_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_frsize)) # define OSL_detail_STATFS_TYPENAME(a) ((a).f_basetype) # define OSL_detail_STATFS_ISREMOTE(a) (rtl_str_compare((a).f_basetype, "nfs") == 0) /* always return true if queried for the properties of the file system. If you think this is wrong under any of the target platforms fix it!!!! */ # define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true) # define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true) #endif /* __sun */ # define OSL_detail_STATFS_INIT(a) (memset(&(a), 0, sizeof(OSL_detail_STATFS_STRUCT))) #else /* no statfs available */ # define OSL_detail_STATFS_STRUCT struct dummy {int i;} # define OSL_detail_STATFS_INIT(a) ((void)a) # define OSL_detail_STATFS(dir, sfs) (1) # define OSL_detail_STATFS_ISREMOTE(sfs) (false) # define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true) # define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true) #endif /* HAVE_STATFS_H */ static oslFileError osl_psz_getVolumeInformation ( const char* pszDirectory, oslVolumeInfo* pInfo, sal_uInt32 uFieldMask) { if (!pInfo) return osl_File_E_INVAL; pInfo->uValidFields = 0; pInfo->uAttributes = 0; pInfo->uTotalSpace = 0; pInfo->uFreeSpace = 0; pInfo->uUsedSpace = 0; if ((uFieldMask & (osl_VolumeInfo_Mask_Attributes | osl_VolumeInfo_Mask_TotalSpace | osl_VolumeInfo_Mask_UsedSpace | osl_VolumeInfo_Mask_FreeSpace | osl_VolumeInfo_Mask_FileSystemName | osl_VolumeInfo_Mask_FileSystemCaseHandling)) != 0) { OSL_detail_STATFS_STRUCT sfs; OSL_detail_STATFS_INIT(sfs); // coverity[fs_check_call : FALSE] if ((OSL_detail_STATFS(pszDirectory, &sfs)) < (0)) { oslFileError result = oslTranslateFileError(errno); return result; } /* FIXME: how to detect the kind of storage (fixed, cdrom, ...) */ if (uFieldMask & osl_VolumeInfo_Mask_Attributes) { bool const remote = OSL_detail_STATFS_ISREMOTE(sfs); // extracted from the 'if' to avoid Clang -Wunreachable-code if (remote) pInfo->uAttributes |= osl_Volume_Attribute_Remote; pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; } if (uFieldMask & osl_VolumeInfo_Mask_FileSystemCaseHandling) { if (OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(sfs)) pInfo->uAttributes |= osl_Volume_Attribute_Case_Sensitive; if (OSL_detail_STATFS_IS_CASE_PRESERVING_FS(sfs)) pInfo->uAttributes |= osl_Volume_Attribute_Case_Is_Preserved; pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; } #if defined(OSL_detail_STATFS_BLKSIZ) if ((uFieldMask & osl_VolumeInfo_Mask_TotalSpace) || (uFieldMask & osl_VolumeInfo_Mask_UsedSpace)) { pInfo->uTotalSpace = OSL_detail_STATFS_BLKSIZ(sfs); pInfo->uTotalSpace *= static_cast(sfs.f_blocks); pInfo->uValidFields |= osl_VolumeInfo_Mask_TotalSpace; } if ((uFieldMask & osl_VolumeInfo_Mask_FreeSpace) || (uFieldMask & osl_VolumeInfo_Mask_UsedSpace)) { pInfo->uFreeSpace = OSL_detail_STATFS_BLKSIZ(sfs); if (getuid() == 0) pInfo->uFreeSpace *= static_cast(sfs.f_bfree); else pInfo->uFreeSpace *= static_cast(sfs.f_bavail); pInfo->uValidFields |= osl_VolumeInfo_Mask_FreeSpace; } if ((pInfo->uValidFields & osl_VolumeInfo_Mask_TotalSpace) && (pInfo->uValidFields & osl_VolumeInfo_Mask_FreeSpace )) { pInfo->uUsedSpace = pInfo->uTotalSpace - pInfo->uFreeSpace; pInfo->uValidFields |= osl_VolumeInfo_Mask_UsedSpace; } #endif /* OSL_detail_STATFS_BLKSIZ */ #if defined(OSL_detail_STATFS_TYPENAME) if (uFieldMask & osl_VolumeInfo_Mask_FileSystemName) { rtl_string2UString( &(pInfo->ustrFileSystemName), OSL_detail_STATFS_TYPENAME(sfs), rtl_str_getLength(OSL_detail_STATFS_TYPENAME(sfs)), osl_getThreadTextEncoding(), OUSTRING_TO_OSTRING_CVTFLAGS); OSL_ASSERT(pInfo->ustrFileSystemName != nullptr); pInfo->uValidFields |= osl_VolumeInfo_Mask_FileSystemName; } #endif /* OSL_detail_STATFS_TYPENAME */ } pInfo->uMaxNameLength = 0; if (uFieldMask & osl_VolumeInfo_Mask_MaxNameLength) { long nLen = pathconf(pszDirectory, _PC_NAME_MAX); if (nLen > 0) { pInfo->uMaxNameLength = static_cast(nLen); pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxNameLength; } } pInfo->uMaxPathLength = 0; if (uFieldMask & osl_VolumeInfo_Mask_MaxPathLength) { long nLen = pathconf (pszDirectory, _PC_PATH_MAX); if (nLen > 0) { pInfo->uMaxPathLength = static_cast(nLen); pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxPathLength; } } return osl_File_E_None; } oslFileError osl_getVolumeDeviceMountPath( oslVolumeDeviceHandle, rtl_uString ** ) { return osl_File_E_INVAL; } oslFileError osl_acquireVolumeDeviceHandle( oslVolumeDeviceHandle ) { return osl_File_E_INVAL; } oslFileError osl_releaseVolumeDeviceHandle( oslVolumeDeviceHandle ) { return osl_File_E_INVAL; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */