/**
* Convert host VFS object mode flags into guest ones.
*
* @param fHostMode Host flags
*
* @return Guest flags
*/
mode_t
vboxvfs_h2g_mode_inernal(RTFMODE fHostMode)
{
mode_t fGuestMode = 0;
fGuestMode = /* Owner */
((fHostMode & RTFS_UNIX_IRUSR) ? S_IRUSR : 0 ) |
((fHostMode & RTFS_UNIX_IWUSR) ? S_IWUSR : 0 ) |
((fHostMode & RTFS_UNIX_IXUSR) ? S_IXUSR : 0 ) |
/* Group */
((fHostMode & RTFS_UNIX_IRGRP) ? S_IRGRP : 0 ) |
((fHostMode & RTFS_UNIX_IWGRP) ? S_IWGRP : 0 ) |
((fHostMode & RTFS_UNIX_IXGRP) ? S_IXGRP : 0 ) |
/* Other */
((fHostMode & RTFS_UNIX_IROTH) ? S_IROTH : 0 ) |
((fHostMode & RTFS_UNIX_IWOTH) ? S_IWOTH : 0 ) |
((fHostMode & RTFS_UNIX_IXOTH) ? S_IXOTH : 0 ) |
/* SUID, SGID, SVTXT */
((fHostMode & RTFS_UNIX_ISUID) ? S_ISUID : 0 ) |
((fHostMode & RTFS_UNIX_ISGID) ? S_ISGID : 0 ) |
((fHostMode & RTFS_UNIX_ISTXT) ? S_ISVTX : 0 ) |
/* VFS object types */
((RTFS_IS_FIFO(fHostMode)) ? S_IFIFO : 0 ) |
((RTFS_IS_DEV_CHAR(fHostMode)) ? S_IFCHR : 0 ) |
((RTFS_IS_DIRECTORY(fHostMode)) ? S_IFDIR : 0 ) |
((RTFS_IS_DEV_BLOCK(fHostMode)) ? S_IFBLK : 0 ) |
((RTFS_IS_FILE(fHostMode)) ? S_IFREG : 0 ) |
((RTFS_IS_SYMLINK(fHostMode)) ? S_IFLNK : 0 ) |
((RTFS_IS_SOCKET(fHostMode)) ? S_IFSOCK : 0 );
return fGuestMode;
}
RTDECL(int) RTDirQueryUnknownTypeEx(const char *pszComposedName, bool fFollowSymlinks,
RTDIRENTRYTYPE *penmType, PRTFSOBJINFO pObjInfo)
{
int rc = RTPathQueryInfoEx(pszComposedName, pObjInfo, RTFSOBJATTRADD_NOTHING,
fFollowSymlinks ? RTPATH_F_FOLLOW_LINK : RTPATH_F_ON_LINK);
if (RT_FAILURE(rc))
return rc;
if (RTFS_IS_DIRECTORY(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_DIRECTORY;
else if (RTFS_IS_FILE(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_FILE;
else if (RTFS_IS_SYMLINK(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_SYMLINK;
else if (RTFS_IS_FIFO(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_FIFO;
else if (RTFS_IS_DEV_CHAR(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_DEV_CHAR;
else if (RTFS_IS_DEV_BLOCK(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_DEV_BLOCK;
else if (RTFS_IS_SOCKET(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_SOCKET;
else if (RTFS_IS_WHITEOUT(pObjInfo->Attr.fMode))
*penmType = RTDIRENTRYTYPE_WHITEOUT;
else
*penmType = RTDIRENTRYTYPE_UNKNOWN;
return VINF_SUCCESS;
}
/**
* Check whether a device node points to a valid device and create a UDI and
* a description for it, and store the device number, if it does.
* @returns true if the device is valid, false otherwise
* @param pcszNode the path to the device node
* @param isDVD are we looking for a DVD device (or a floppy device)?
* @param pDevice where to store the device node (optional)
* @param pszDesc where to store the device description (optional)
* @param cchDesc the size of the buffer in @a pszDesc
* @param pszUdi where to store the device UDI (optional)
* @param cchUdi the size of the buffer in @a pszUdi
*/
static bool devValidateDevice(const char *pcszNode, bool isDVD, dev_t *pDevice,
char *pszDesc, size_t cchDesc, char *pszUdi,
size_t cchUdi)
{
AssertPtrReturn(pcszNode, false);
AssertPtrNullReturn(pDevice, false);
AssertPtrNullReturn(pszDesc, false);
AssertReturn(!pszDesc || cchDesc > 0, false);
AssertPtrNullReturn(pszUdi, false);
AssertReturn(!pszUdi || cchUdi > 0, false);
RTFSOBJINFO ObjInfo;
if (RT_FAILURE(RTPathQueryInfo(pcszNode, &ObjInfo, RTFSOBJATTRADD_UNIX)))
return false;
if (!RTFS_IS_DEV_BLOCK(ObjInfo.Attr.fMode))
return false;
if (pDevice)
*pDevice = ObjInfo.Attr.u.Unix.Device;
if (isDVD)
{
char szVendor[128], szModel[128];
uint8_t u8Type;
if (!isCdromDevNum(ObjInfo.Attr.u.Unix.Device))
return false;
if (RT_FAILURE(cdromDoInquiry(pcszNode, &u8Type,
szVendor, sizeof(szVendor),
szModel, sizeof(szModel))))
return false;
if (u8Type != TYPE_ROM)
return false;
dvdCreateDeviceStrings(szVendor, szModel, pszDesc, cchDesc,
pszUdi, cchUdi);
}
else
{
/* Floppies on Linux are legacy devices with hardcoded majors and
* minors */
unsigned Number;
floppy_drive_name szName;
if (major(ObjInfo.Attr.u.Unix.Device) != FLOPPY_MAJOR)
return false;
switch (minor(ObjInfo.Attr.u.Unix.Device))
{
case 0: case 1: case 2: case 3:
Number = minor(ObjInfo.Attr.u.Unix.Device);
break;
case 128: case 129: case 130: case 131:
Number = minor(ObjInfo.Attr.u.Unix.Device) - 128 + 4;
break;
default:
return false;
}
if (!floppyGetName(pcszNode, Number, szName))
return false;
floppyCreateDeviceStrings(szName, Number, pszDesc, cchDesc, pszUdi,
cchUdi);
}
return true;
}
