diff options
Diffstat (limited to 'sal/osl/unx/file_volume.cxx')
| -rw-r--r-- | sal/osl/unx/file_volume.cxx | 1155 |
1 files changed, 1155 insertions, 0 deletions
diff --git a/sal/osl/unx/file_volume.cxx b/sal/osl/unx/file_volume.cxx new file mode 100644 index 000000000000..cc7f61ec6a8b --- /dev/null +++ b/sal/osl/unx/file_volume.cxx @@ -0,0 +1,1155 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include "osl/file.h" + +#include "osl/diagnose.h" +#include "osl/thread.h" +#include "rtl/alloc.h" + +#include "file_error_transl.h" +#include "file_url.h" +#include "system.h" + +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/wait.h> + +#ifdef HAVE_STATFS_H +#undef HAVE_STATFS_H +#endif + +#if defined(LINUX) && defined(__FreeBSD_kernel__) +#undef LINUX +#define FREEBSD 1 +#endif + + +#if defined(SOLARIS) + +#include <sys/mnttab.h> +#include <sys/statvfs.h> +#define HAVE_STATFS_H +#include <sys/fs/ufs_quota.h> +static const sal_Char* MOUNTTAB="/etc/mnttab"; + +#elif defined(LINUX) + +#include <mntent.h> +#include <sys/vfs.h> +#define HAVE_STATFS_H +#include <sys/quota.h> +//#include <ctype.h> +static const sal_Char* MOUNTTAB="/etc/mtab"; + +#elif defined(NETBSD) || defined(FREEBSD) + +#include <sys/param.h> +#include <sys/ucred.h> +#include <sys/mount.h> +#include <ufs/ufs/quota.h> +//#include <ctype.h> +#define HAVE_STATFS_H + +/* No mounting table on *BSD + * This information is stored only in the kernel. */ +/* static const sal_Char* MOUNTTAB="/etc/mtab"; */ + +#elif defined(MACOSX) + +#include <ufs/ufs/quota.h> +//#include <ctype.h> +#include <sys/param.h> +#include <sys/mount.h> +#define HAVE_STATFS_H +// static const sal_Char* MOUNTTAB="/etc/mtab"; + +#endif /* HAVE_STATFS_H */ + +/************************************************************************ + * ToDo + * + * - Fix: check for corresponding struct sizes in exported functions + * - check size/use of oslVolumeDeviceHandle + * - check size/use of oslVolumeInfo + ***********************************************************************/ +/****************************************************************************** + * + * Data Type Definition + * + ******************************************************************************/ + +typedef struct _oslVolumeDeviceHandleImpl +{ + sal_Char pszMountPoint[PATH_MAX]; + sal_Char pszFilePath[PATH_MAX]; + sal_Char pszDevice[PATH_MAX]; + sal_Char ident[4]; + sal_uInt32 RefCount; +} oslVolumeDeviceHandleImpl; + +/****************************************************************************** + * + * 'removeable device' aka floppy functions + * + *****************************************************************************/ + +static oslVolumeDeviceHandle osl_isFloppyDrive(const sal_Char* pszPath); +static oslFileError osl_mountFloppy(oslVolumeDeviceHandle hFloppy); +static oslFileError osl_unmountFloppy(oslVolumeDeviceHandle hFloppy); + +#if defined(SOLARIS) +static sal_Bool osl_isFloppyMounted(sal_Char* pszPath, sal_Char* pszMountPath); +static sal_Bool osl_getFloppyMountEntry(const sal_Char* pszPath, sal_Char* pBuffer); +static sal_Bool osl_checkFloppyPath(sal_Char* pszPath, sal_Char* pszFilePath, sal_Char* pszDevicePath); +#endif /* SOLARIS */ + +#if defined(LINUX) +static sal_Bool osl_isFloppyMounted(oslVolumeDeviceHandleImpl* pDevice); +static sal_Bool osl_getFloppyMountEntry(const sal_Char* pszPath, oslVolumeDeviceHandleImpl* pItem); +#endif /* LINUX */ + +#ifdef DEBUG_OSL_FILE +static void osl_printFloppyHandle(oslVolumeDeviceHandleImpl* hFloppy); +#endif /* DEBUG_OSL_FILE */ + +/****************************************************************************** + * + * C-String Function Declarations + * + *****************************************************************************/ + +static oslFileError osl_psz_getVolumeInformation(const sal_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( OSL_FET_ERROR, 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(NETBSD) || defined(MACOSX) +# define __OSL_STATFS_STRUCT struct statfs +# define __OSL_STATFS(dir, sfs) statfs((dir), (sfs)) +# define __OSL_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_bsize)) +# define __OSL_STATFS_TYPENAME(a) ((a).f_fstypename) +# define __OSL_STATFS_ISREMOTE(a) (((a).f_type & MNT_LOCAL) == 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_STATFS_IS_CASE_SENSITIVE_FS(a) (1) +# define __OSL_STATFS_IS_CASE_PRESERVING_FS(a) (1) +#endif /* FREEBSD || NETBSD || MACOSX */ + +#if defined(LINUX) +# define __OSL_NFS_SUPER_MAGIC 0x6969 +# define __OSL_SMB_SUPER_MAGIC 0x517B +# define __OSL_MSDOS_SUPER_MAGIC 0x4d44 +# define __OSL_NTFS_SUPER_MAGIC 0x5346544e +# define __OSL_STATFS_STRUCT struct statfs +# define __OSL_STATFS(dir, sfs) statfs((dir), (sfs)) +# define __OSL_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_bsize)) +# define __OSL_STATFS_IS_NFS(a) (__OSL_NFS_SUPER_MAGIC == (a).f_type) +# define __OSL_STATFS_IS_SMB(a) (__OSL_SMB_SUPER_MAGIC == (a).f_type) +# define __OSL_STATFS_ISREMOTE(a) (__OSL_STATFS_IS_NFS((a)) || __OSL_STATFS_IS_SMB((a))) +# define __OSL_STATFS_IS_CASE_SENSITIVE_FS(a) ((__OSL_MSDOS_SUPER_MAGIC != (a).f_type) && (__OSL_NTFS_SUPER_MAGIC != (a).f_type)) +# define __OSL_STATFS_IS_CASE_PRESERVING_FS(a) ((__OSL_MSDOS_SUPER_MAGIC != (a).f_type)) +#endif /* LINUX */ + +#if defined(SOLARIS) +# define __OSL_STATFS_STRUCT struct statvfs +# define __OSL_STATFS(dir, sfs) statvfs((dir), (sfs)) +# define __OSL_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_frsize)) +# define __OSL_STATFS_TYPENAME(a) ((a).f_basetype) +# define __OSL_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_STATFS_IS_CASE_SENSITIVE_FS(a) (1) +# define __OSL_STATFS_IS_CASE_PRESERVING_FS(a) (1) +#endif /* SOLARIS */ + +# define __OSL_STATFS_INIT(a) (memset(&(a), 0, sizeof(__OSL_STATFS_STRUCT))) + +#else /* no statfs available */ + +# define __OSL_STATFS_STRUCT struct dummy {int i;} +# define __OSL_STATFS_INIT(a) ((void)0) +# define __OSL_STATFS(dir, sfs) (1) +# define __OSL_STATFS_ISREMOTE(sfs) (0) +# define __OSL_STATFS_IS_CASE_SENSITIVE_FS(a) (1) +# define __OSL_STATFS_IS_CASE_PRESERVING_FS(a) (1) +#endif /* HAVE_STATFS_H */ + + +static oslFileError osl_psz_getVolumeInformation ( + const sal_Char* pszDirectory, oslVolumeInfo* pInfo, sal_uInt32 uFieldMask) +{ + __OSL_STATFS_STRUCT sfs; + + if (!pInfo) + return osl_File_E_INVAL; + + __OSL_STATFS_INIT(sfs); + + pInfo->uValidFields = 0; + pInfo->uAttributes = 0; + + if ((__OSL_STATFS(pszDirectory, &sfs)) < 0) + { + oslFileError result = oslTranslateFileError(OSL_FET_ERROR, errno); + return (result); + } + + /* FIXME: how to detect the kind of storage (fixed, cdrom, ...) */ + if (uFieldMask & osl_VolumeInfo_Mask_Attributes) + { + if (__OSL_STATFS_ISREMOTE(sfs)) + pInfo->uAttributes |= osl_Volume_Attribute_Remote; + + pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; + } + + if (uFieldMask & osl_VolumeInfo_Mask_FileSystemCaseHandling) + { + if (__OSL_STATFS_IS_CASE_SENSITIVE_FS(sfs)) + pInfo->uAttributes |= osl_Volume_Attribute_Case_Sensitive; + + if (__OSL_STATFS_IS_CASE_PRESERVING_FS(sfs)) + pInfo->uAttributes |= osl_Volume_Attribute_Case_Is_Preserved; + + pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; + } + + pInfo->uTotalSpace = 0; + pInfo->uFreeSpace = 0; + pInfo->uUsedSpace = 0; + +#if defined(__OSL_STATFS_BLKSIZ) + + if ((uFieldMask & osl_VolumeInfo_Mask_TotalSpace) || + (uFieldMask & osl_VolumeInfo_Mask_UsedSpace)) + { + pInfo->uTotalSpace = __OSL_STATFS_BLKSIZ(sfs); + pInfo->uTotalSpace *= (sal_uInt64)(sfs.f_blocks); + pInfo->uValidFields |= osl_VolumeInfo_Mask_TotalSpace; + } + + if ((uFieldMask & osl_VolumeInfo_Mask_FreeSpace) || + (uFieldMask & osl_VolumeInfo_Mask_UsedSpace)) + { + pInfo->uFreeSpace = __OSL_STATFS_BLKSIZ(sfs); + + if (getuid() == 0) + pInfo->uFreeSpace *= (sal_uInt64)(sfs.f_bfree); + else + pInfo->uFreeSpace *= (sal_uInt64)(sfs.f_bavail); + + pInfo->uValidFields |= osl_VolumeInfo_Mask_FreeSpace; + } + +#endif /* __OSL_STATFS_BLKSIZ */ + + 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; + } + + pInfo->uMaxNameLength = 0; + if (uFieldMask & osl_VolumeInfo_Mask_MaxNameLength) + { + long nLen = pathconf(pszDirectory, _PC_NAME_MAX); + if (nLen > 0) + { + pInfo->uMaxNameLength = (sal_uInt32)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 = (sal_uInt32)nLen; + pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxPathLength; + } + } + +#if defined(__OSL_STATFS_TYPENAME) + + if (uFieldMask & osl_VolumeInfo_Mask_FileSystemName) + { + rtl_string2UString( + &(pInfo->ustrFileSystemName), + __OSL_STATFS_TYPENAME(sfs), + rtl_str_getLength(__OSL_STATFS_TYPENAME(sfs)), + osl_getThreadTextEncoding(), + OUSTRING_TO_OSTRING_CVTFLAGS); + OSL_ASSERT(pInfo->ustrFileSystemName != 0); + + pInfo->uValidFields |= osl_VolumeInfo_Mask_FileSystemName; + } + +#endif /* __OSL_STATFS_TYPENAME */ + + if (uFieldMask & osl_VolumeInfo_Mask_DeviceHandle) + { + /* FIXME: check also entries in mntent for the device + and fill it with correct values */ + + *pInfo->pDeviceHandle = osl_isFloppyDrive(pszDirectory); + + if (*pInfo->pDeviceHandle) + { + pInfo->uValidFields |= osl_VolumeInfo_Mask_DeviceHandle; + pInfo->uAttributes |= osl_Volume_Attribute_Removeable; + pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes; + } + } + return osl_File_E_None; +} + +/****************************************************************************** + * + * GENERIC FLOPPY FUNCTIONS + * + *****************************************************************************/ + + +/***************************************** + * osl_unmountVolumeDevice + ****************************************/ + +oslFileError osl_unmountVolumeDevice( oslVolumeDeviceHandle Handle ) +{ + oslFileError tErr = osl_File_E_NOSYS; + + tErr = osl_unmountFloppy(Handle); + + /* Perhaps current working directory is set to mount point */ + + if ( tErr ) + { + sal_Char *pszHomeDir = getenv("HOME"); + + if ( pszHomeDir && strlen( pszHomeDir ) && 0 == chdir( pszHomeDir ) ) + { + /* try again */ + + tErr = osl_unmountFloppy(Handle); + + OSL_ENSURE( tErr, "osl_unmountvolumeDevice: CWD was set to volume mount point" ); + } + } + + return tErr; +} + +/***************************************** + * osl_automountVolumeDevice + ****************************************/ + +oslFileError osl_automountVolumeDevice( oslVolumeDeviceHandle Handle ) +{ + oslFileError tErr = osl_File_E_NOSYS; + + tErr = osl_mountFloppy(Handle); + + return tErr; +} + +/***************************************** + * osl_getVolumeDeviceMountPath + ****************************************/ +static rtl_uString* oslMakeUStrFromPsz(const sal_Char* pszStr, rtl_uString** ustrValid) +{ + rtl_string2UString( + ustrValid, + pszStr, + rtl_str_getLength( pszStr ), + osl_getThreadTextEncoding(), + OUSTRING_TO_OSTRING_CVTFLAGS ); + OSL_ASSERT(*ustrValid != 0); + + return *ustrValid; +} + +oslFileError osl_getVolumeDeviceMountPath( oslVolumeDeviceHandle Handle, rtl_uString **pstrPath ) +{ + oslVolumeDeviceHandleImpl* pItem = (oslVolumeDeviceHandleImpl*) Handle; + sal_Char Buffer[PATH_MAX]; + + Buffer[0] = '\0'; + + if ( pItem == 0 || pstrPath == 0 ) + { + return osl_File_E_INVAL; + } + + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { + return osl_File_E_INVAL; + } + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"Handle is:\n"); + osl_printFloppyHandle(pItem); +#endif + + snprintf(Buffer, sizeof(Buffer), "file://%s", pItem->pszMountPoint); + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"Mount Point is: '%s'\n",Buffer); +#endif + + oslMakeUStrFromPsz(Buffer, pstrPath); + + return osl_File_E_None; +} + +/***************************************** + * osl_acquireVolumeDeviceHandle + ****************************************/ + +oslFileError SAL_CALL osl_acquireVolumeDeviceHandle( oslVolumeDeviceHandle Handle ) +{ + oslVolumeDeviceHandleImpl* pItem =(oslVolumeDeviceHandleImpl*) Handle; + + if ( pItem == 0 ) + { + return osl_File_E_INVAL; + } + + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { + return osl_File_E_INVAL; + } + + ++pItem->RefCount; + + return osl_File_E_None; +} + +/***************************************** + * osl_releaseVolumeDeviceHandle + ****************************************/ + +oslFileError osl_releaseVolumeDeviceHandle( oslVolumeDeviceHandle Handle ) +{ + oslVolumeDeviceHandleImpl* pItem =(oslVolumeDeviceHandleImpl*) Handle; + + if ( pItem == 0 ) + { + return osl_File_E_INVAL; + } + + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { + return osl_File_E_INVAL; + } + + --pItem->RefCount; + + if ( pItem->RefCount == 0 ) + { + rtl_freeMemory(pItem); + } + + return osl_File_E_None; +} + +#ifndef MACOSX + +/***************************************** + * osl_newVolumeDeviceHandleImpl + ****************************************/ + +static oslVolumeDeviceHandleImpl* osl_newVolumeDeviceHandleImpl() +{ + oslVolumeDeviceHandleImpl* pHandle; + const size_t nSizeOfHandle = sizeof(oslVolumeDeviceHandleImpl); + + pHandle = (oslVolumeDeviceHandleImpl*) rtl_allocateMemory (nSizeOfHandle); + if (pHandle != NULL) + { + pHandle->ident[0] = 'O'; + pHandle->ident[1] = 'V'; + pHandle->ident[2] = 'D'; + pHandle->ident[3] = 'H'; + pHandle->pszMountPoint[0] = '\0'; + pHandle->pszFilePath[0] = '\0'; + pHandle->pszDevice[0] = '\0'; + pHandle->RefCount = 1; + } + return pHandle; +} + +/***************************************** + * osl_freeVolumeDeviceHandleImpl + ****************************************/ + +static void osl_freeVolumeDeviceHandleImpl (oslVolumeDeviceHandleImpl* pHandle) +{ + if (pHandle != NULL) + rtl_freeMemory (pHandle); +} +#endif + +/****************************************************************************** + * + * SOLARIS FLOPPY FUNCTIONS + * + *****************************************************************************/ + +#if defined(SOLARIS) +/* compare a given devicename with the typical device names on a Solaris box */ +static sal_Bool +osl_isAFloppyDevice (const char* pDeviceName) +{ + const char* pFloppyDevice [] = { + "/dev/fd", "/dev/rfd", + "/dev/diskette", "/dev/rdiskette", + "/vol/dev/diskette", "/vol/dev/rdiskette" + }; + + int i; + for (i = 0; i < (sizeof(pFloppyDevice)/sizeof(pFloppyDevice[0])); i++) + { + if (strncmp(pDeviceName, pFloppyDevice[i], strlen(pFloppyDevice[i])) == 0) + return sal_True; + } + return sal_False; +} + +/* compare two directories whether the first may be a parent of the second. this + * does not realpath() resolving */ +static sal_Bool +osl_isAParentDirectory (const char* pParentDir, const char* pSubDir) +{ + return strncmp(pParentDir, pSubDir, strlen(pParentDir)) == 0; +} + +/* the name of the routine is obviously silly. But anyway create a + * oslVolumeDeviceHandle with correct mount point, device name and a resolved filepath + * only if pszPath points to file or directory on a floppy */ +static oslVolumeDeviceHandle +osl_isFloppyDrive(const sal_Char* pszPath) +{ + FILE* pMountTab; + struct mnttab aMountEnt; + oslVolumeDeviceHandleImpl* pHandle; + + if ((pHandle = osl_newVolumeDeviceHandleImpl()) == NULL) + { + return NULL; + } + if (realpath(pszPath, pHandle->pszFilePath) == NULL) + { + osl_freeVolumeDeviceHandleImpl (pHandle); + return NULL; + } + if ((pMountTab = fopen (MOUNTTAB, "r")) == NULL) + { + osl_freeVolumeDeviceHandleImpl (pHandle); + return NULL; + } + + while (getmntent(pMountTab, &aMountEnt) == 0) + { + const char *pMountPoint = aMountEnt.mnt_mountp; + const char *pDevice = aMountEnt.mnt_special; + if ( osl_isAParentDirectory (aMountEnt.mnt_mountp, pHandle->pszFilePath) + && osl_isAFloppyDevice (aMountEnt.mnt_special)) + { + /* skip the last item for it is the name of the disk */ + char * pc = strrchr( aMountEnt.mnt_special, '/' ); + + if ( NULL != pc ) + { + int len = pc - aMountEnt.mnt_special; + + strncpy( pHandle->pszDevice, aMountEnt.mnt_special, len ); + pHandle->pszDevice[len] = '\0'; + } + else + { + /* #106048 use save str functions to avoid buffer overflows */ + memset(pHandle->pszDevice, 0, sizeof(pHandle->pszDevice)); + strncpy(pHandle->pszDevice, aMountEnt.mnt_special, sizeof(pHandle->pszDevice) - 1); + } + + /* remember the mount point */ + memset(pHandle->pszMountPoint, 0, sizeof(pHandle->pszMountPoint)); + strncpy(pHandle->pszMountPoint, aMountEnt.mnt_mountp, sizeof(pHandle->pszMountPoint) - 1); + + fclose (pMountTab); + return pHandle; + } + } + + fclose (pMountTab); + osl_freeVolumeDeviceHandleImpl (pHandle); + return NULL; +} + +static oslFileError osl_mountFloppy(oslVolumeDeviceHandle hFloppy) +{ + FILE* pMountTab; + struct mnttab aMountEnt; + oslVolumeDeviceHandleImpl* pHandle = (oslVolumeDeviceHandleImpl*) hFloppy; + + int nRet=0; + sal_Char pszCmd[512] = ""; + + if ( pHandle == 0 ) + return osl_File_E_INVAL; + + /* FIXME: don't know what this is good for */ + if ( pHandle->ident[0] != 'O' || pHandle->ident[1] != 'V' || pHandle->ident[2] != 'D' || pHandle->ident[3] != 'H' ) + return osl_File_E_INVAL; + + snprintf(pszCmd, sizeof(pszCmd), "eject -q %s > /dev/null 2>&1", pHandle->pszDevice); + + nRet = system( pszCmd ); + + switch ( WEXITSTATUS(nRet) ) + { + case 0: + { + /* lookup the device in mount tab again */ + if ((pMountTab = fopen (MOUNTTAB, "r")) == NULL) + return osl_File_E_BUSY; + + while (getmntent(pMountTab, &aMountEnt) == 0) + { + const char *pMountPoint = aMountEnt.mnt_mountp; + const char *pDevice = aMountEnt.mnt_special; + if ( 0 == strncmp( pHandle->pszDevice, aMountEnt.mnt_special, strlen(pHandle->pszDevice) ) ) + { + memset(pHandle->pszMountPoint, 0, sizeof(pHandle->pszMountPoint)); + strncpy (pHandle->pszMountPoint, aMountEnt.mnt_mountp, sizeof(pHandle->pszMountPoint) - 1); + + fclose (pMountTab); + return osl_File_E_None; + } + } + + fclose (pMountTab); + return osl_File_E_BUSY; + } + //break; // break not necessary here, see return statements before + + case 1: + return osl_File_E_BUSY; + + default: + break; + } + + return osl_File_E_BUSY; +} + +static oslFileError osl_unmountFloppy(oslVolumeDeviceHandle hFloppy) +{ +// FILE* pMountTab; +// struct mnttab aMountEnt; + oslVolumeDeviceHandleImpl* pHandle = (oslVolumeDeviceHandleImpl*) hFloppy; + + int nRet=0; + sal_Char pszCmd[512] = ""; + + if ( pHandle == 0 ) + return osl_File_E_INVAL; + + /* FIXME: don't know what this is good for */ + if ( pHandle->ident[0] != 'O' || pHandle->ident[1] != 'V' || pHandle->ident[2] != 'D' || pHandle->ident[3] != 'H' ) + return osl_File_E_INVAL; + + snprintf(pszCmd, sizeof(pszCmd), "eject %s > /dev/null 2>&1", pHandle->pszDevice); + + nRet = system( pszCmd ); + + switch ( WEXITSTATUS(nRet) ) + { + case 0: + { + FILE* pMountTab; + struct mnttab aMountEnt; + + /* lookup if device is still in mount tab */ + if ((pMountTab = fopen (MOUNTTAB, "r")) == NULL) + return osl_File_E_BUSY; + + while (getmntent(pMountTab, &aMountEnt) == 0) + { + const char *pMountPoint = aMountEnt.mnt_mountp; + const char *pDevice = aMountEnt.mnt_special; + if ( 0 == strncmp( pHandle->pszDevice, aMountEnt.mnt_special, strlen(pHandle->pszDevice) ) ) + { + fclose (pMountTab); + return osl_File_E_BUSY; + } + } + + fclose (pMountTab); + pHandle->pszMountPoint[0] = 0; + return osl_File_E_None; + } + + //break; //break not necessary, see return statements before + + case 1: + return osl_File_E_NODEV; + + case 4: + pHandle->pszMountPoint[0] = 0; + return osl_File_E_None; + + default: + break; + } + + return osl_File_E_BUSY; +} + +#endif /* SOLARIS */ + +/****************************************************************************** + * + * LINUX FLOPPY FUNCTIONS + * + *****************************************************************************/ + +#if defined(LINUX) +static oslVolumeDeviceHandle +osl_isFloppyDrive (const sal_Char* pszPath) +{ + oslVolumeDeviceHandleImpl* pItem = osl_newVolumeDeviceHandleImpl(); + if (osl_getFloppyMountEntry(pszPath, pItem)) + return (oslVolumeDeviceHandle) pItem; + + osl_freeVolumeDeviceHandleImpl (pItem); + return 0; +} +#endif /* LINUX */ + +#if defined(LINUX) +static oslFileError osl_mountFloppy(oslVolumeDeviceHandle hFloppy) +{ + sal_Bool bRet = sal_False; + oslVolumeDeviceHandleImpl* pItem=0; + int nRet; + sal_Char pszCmd[PATH_MAX]; + const sal_Char* pszMountProg = "mount"; + sal_Char* pszSuDo = 0; + sal_Char* pszTmp = 0; + + pszCmd[0] = '\0'; + +#ifdef TRACE_OSL_FILE + fprintf(stderr,"In osl_mountFloppy\n"); +#endif + + pItem = (oslVolumeDeviceHandleImpl*) hFloppy; + + if ( pItem == 0 ) + { +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Out osl_mountFloppy [pItem == 0]\n"); +#endif + + return osl_File_E_INVAL; + } + + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Out osl_mountFloppy [invalid handle]\n"); +#endif + return osl_File_E_INVAL; + } + + bRet = osl_isFloppyMounted(pItem); + if ( bRet == sal_True ) + { +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"detected mounted floppy at '%s'\n",pItem->pszMountPoint); +#endif + return osl_File_E_BUSY; + } + + /* mfe: we can't use the mount(2) system call!!! */ + /* even if we are root */ + /* since mtab is not updated!!! */ + /* but we need it to be updated */ + /* some "magic" must be done */ + +/* nRet = mount(pItem->pszDevice,pItem->pszMountPoint,0,0,0); */ +/* if ( nRet != 0 ) */ +/* { */ +/* nRet=errno; */ +/* #ifdef DEBUG_OSL_FILE */ +/* perror("mount"); */ +/* #endif */ +/* } */ + + pszTmp = getenv("SAL_MOUNT_MOUNTPROG"); + if ( pszTmp != 0 ) + { + pszMountProg=pszTmp; + } + + pszTmp=getenv("SAL_MOUNT_SU_DO"); + if ( pszTmp != 0 ) + { + pszSuDo=pszTmp; + } + + if ( pszSuDo != 0 ) + { + snprintf(pszCmd, sizeof(pszCmd), "%s %s %s %s",pszSuDo,pszMountProg,pItem->pszDevice,pItem->pszMountPoint); + } + else + { + snprintf(pszCmd, sizeof(pszCmd), "%s %s",pszMountProg,pItem->pszMountPoint); + } + + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"executing '%s'\n",pszCmd); +#endif + + nRet = system(pszCmd); + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"call returned '%i'\n",nRet); + fprintf(stderr,"exit status is '%i'\n", WEXITSTATUS(nRet)); +#endif + + + switch ( WEXITSTATUS(nRet) ) + { + case 0: + nRet=0; + break; + + case 2: + nRet=EPERM; + break; + + case 4: + nRet=ENOENT; + break; + + case 8: + nRet=EINTR; + break; + + case 16: + nRet=EPERM; + break; + + case 32: + nRet=EBUSY; + break; + + case 64: + nRet=EAGAIN; + break; + + default: + nRet=EBUSY; + break; + } + + return ((0 == nRet) ? oslTranslateFileError(OSL_FET_SUCCESS, nRet) : oslTranslateFileError(OSL_FET_ERROR, nRet)); +} +#endif /* LINUX */ + + +#if defined(LINUX) +static oslFileError osl_unmountFloppy(oslVolumeDeviceHandle hFloppy) +{ + oslVolumeDeviceHandleImpl* pItem=0; + int nRet=0; + sal_Char pszCmd[PATH_MAX]; + sal_Char* pszTmp = 0; + sal_Char* pszSuDo = 0; + const sal_Char* pszUmountProg = "umount"; + + pszCmd[0] = '\0'; + +#ifdef TRACE_OSL_FILE + fprintf(stderr,"In osl_unmountFloppy\n"); +#endif + + pItem = (oslVolumeDeviceHandleImpl*) hFloppy; + + if ( pItem == 0 ) + { +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Out osl_unmountFloppy [pItem==0]\n"); +#endif + return osl_File_E_INVAL; + } + + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Out osl_unmountFloppy [invalid handle]\n"); +#endif + return osl_File_E_INVAL; + } + + /* mfe: we can't use the umount(2) system call!!! */ + /* even if we are root */ + /* since mtab is not updated!!! */ + /* but we need it to be updated */ + /* some "magic" must be done */ + +/* nRet=umount(pItem->pszDevice); */ +/* if ( nRet != 0 ) */ +/* { */ +/* nRet = errno; */ + +/* #ifdef DEBUG_OSL_FILE */ +/* perror("mount"); */ +/* #endif */ +/* } */ + + + pszTmp = getenv("SAL_MOUNT_UMOUNTPROG"); + if ( pszTmp != 0 ) + { + pszUmountProg=pszTmp; + } + + pszTmp = getenv("SAL_MOUNT_SU_DO"); + if ( pszTmp != 0 ) + { + pszSuDo=pszTmp; + } + + if ( pszSuDo != 0 ) + { + snprintf(pszCmd, sizeof(pszCmd), "%s %s %s",pszSuDo,pszUmountProg,pItem->pszMountPoint); + } + else + { + snprintf(pszCmd, sizeof(pszCmd), "%s %s",pszUmountProg,pItem->pszMountPoint); + } + + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"executing '%s'\n",pszCmd); +#endif + + nRet = system(pszCmd); + +#ifdef DEBUG_OSL_FILE + fprintf(stderr,"call returned '%i'\n",nRet); + fprintf(stderr,"exit status is '%i'\n", WEXITSTATUS(nRet)); +#endif + + switch ( WEXITSTATUS(nRet) ) + { + case 0: + nRet=0; + break; + + default: + nRet=EBUSY; + break; + } + +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Out osl_unmountFloppy [ok]\n"); +#endif + + return ((0 == nRet) ? oslTranslateFileError(OSL_FET_SUCCESS, nRet) : oslTranslateFileError(OSL_FET_ERROR, nRet)); + +/* return osl_File_E_None;*/ +} + +#endif /* LINUX */ + +#if defined(LINUX) +static sal_Bool +osl_getFloppyMountEntry(const sal_Char* pszPath, oslVolumeDeviceHandleImpl* pItem) +{ + struct mntent* pMountEnt; + FILE* pMountTab; + + pMountTab = setmntent (MOUNTTAB, "r"); + if (pMountTab == 0) + return sal_False; + + while ((pMountEnt = getmntent(pMountTab)) != 0) + { + if ( strncmp(pMountEnt->mnt_dir, pszPath, strlen(pMountEnt->mnt_dir)) == 0 + && strncmp(pMountEnt->mnt_fsname, "/dev/fd", strlen("/dev/fd")) == 0) + { + memset(pItem->pszMountPoint, 0, sizeof(pItem->pszMountPoint)); + strncpy(pItem->pszMountPoint, pMountEnt->mnt_dir, sizeof(pItem->pszMountPoint) - 1); + + memset(pItem->pszFilePath, 0, sizeof(pItem->pszFilePath)); + strncpy(pItem->pszFilePath, pMountEnt->mnt_dir, sizeof(pItem->pszFilePath) - 1); + + memset(pItem->pszDevice, 0, sizeof(pItem->pszDevice)); + strncpy(pItem->pszDevice, pMountEnt->mnt_fsname, sizeof(pItem->pszDevice) - 1); + + endmntent (pMountTab); + return sal_True; + } + } + + endmntent (pMountTab); + return sal_False; +} +#endif /* LINUX */ + +#if defined(LINUX) +static sal_Bool +osl_isFloppyMounted (oslVolumeDeviceHandleImpl* pDevice) +{ + oslVolumeDeviceHandleImpl aItem; + + if ( osl_getFloppyMountEntry (pDevice->pszMountPoint, &aItem) + && strcmp (aItem.pszMountPoint, pDevice->pszMountPoint) == 0 + && strcmp (aItem.pszDevice, pDevice->pszDevice) == 0) + { + return sal_True; + } + return sal_False; +} +#endif /* LINUX */ + +/* NetBSD floppy functions have to be added here. Until we have done that, + * we use the MACOSX definitions for nonexistent floppy. + * */ + +/****************************************************************************** + * + * MAC OS X FLOPPY FUNCTIONS + * + *****************************************************************************/ + +#if (defined(MACOSX) || defined(NETBSD) || defined(FREEBSD)) +static oslVolumeDeviceHandle osl_isFloppyDrive(const sal_Char* pszPath) +{ + return NULL; +} +#endif /* MACOSX */ + +#if ( defined(MACOSX) || defined(NETBSD) || defined(FREEBSD)) +static oslFileError osl_mountFloppy(oslVolumeDeviceHandle hFloppy) +{ + return osl_File_E_BUSY; +} +#endif /* MACOSX */ + +#if ( defined(MACOSX) || defined(NETBSD) || defined(FREEBSD)) +static oslFileError osl_unmountFloppy(oslVolumeDeviceHandle hFloppy) +{ + return osl_File_E_BUSY; +} +#endif /* MACOSX */ + +#if ( defined(NETBSD) || defined(FREEBSD) ) +static sal_Bool osl_getFloppyMountEntry(const sal_Char* pszPath, oslVolumeDeviceHandleImpl* pItem) +{ + return sal_False; +} +#endif /* NETBSD || FREEBSD */ + +#if ( defined(NETBSD) || defined(FREEBSD) ) +static sal_Bool osl_isFloppyMounted(oslVolumeDeviceHandleImpl* pDevice) +{ + return sal_False; +} +#endif /* NETBSD || FREEBSD */ + + +#ifdef DEBUG_OSL_FILE +static void osl_printFloppyHandle(oslVolumeDeviceHandleImpl* pItem) +{ + if (pItem == 0 ) + { + fprintf(stderr,"NULL Handle\n"); + return; + } + if ( pItem->ident[0] != 'O' || pItem->ident[1] != 'V' || pItem->ident[2] != 'D' || pItem->ident[3] != 'H' ) + { +#ifdef TRACE_OSL_FILE + fprintf(stderr,"Invalid Handle]\n"); +#endif + return; + } + + + fprintf(stderr,"MountPoint : '%s'\n",pItem->pszMountPoint); + fprintf(stderr,"FilePath : '%s'\n",pItem->pszFilePath); + fprintf(stderr,"Device : '%s'\n",pItem->pszDevice); + + return; +} +#endif |