* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+
#include <linux/fs.h>
-#include <linux/ext2_fs.h>
#include "cifspdu.h"
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_debug.h"
+#include "cifsfs.h"
+
+#define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
-int cifs_ioctl (struct inode * inode, struct file * filep,
+int cifs_ioctl (struct inode * inode, struct file * filep,
unsigned int command, unsigned long arg)
{
int rc = -ENOTTY; /* strange error - but the precedent */
+ int xid;
+ struct cifs_sb_info *cifs_sb;
#ifdef CONFIG_CIFS_POSIX
- cFYI(1,("ioctl file %p cmd %u arg %lu",filep,command,arg));
- switch(command) {
- case EXT2_IOC_GETFLAGS:
- cFYI(1,("get flags not implemented yet"));
- return -EOPNOTSUPP;
- case EXT2_IOC_SETFLAGS:
- cFYI(1,("set flags not implemented yet"));
- return -EOPNOTSUPP;
- default:
- cFYI(1,("unsupported ioctl"));
- return rc;
+ __u64 ExtAttrBits = 0;
+ __u64 ExtAttrMask = 0;
+ __u64 caps;
+ struct cifsTconInfo *tcon;
+ struct cifsFileInfo *pSMBFile =
+ (struct cifsFileInfo *)filep->private_data;
+#endif /* CONFIG_CIFS_POSIX */
+
+ xid = GetXid();
+
+ cFYI(1, ("ioctl file %p cmd %u arg %lu", filep, command, arg));
+
+ cifs_sb = CIFS_SB(inode->i_sb);
+
+#ifdef CONFIG_CIFS_POSIX
+ tcon = cifs_sb->tcon;
+ if (tcon)
+ caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+ else {
+ rc = -EIO;
+ FreeXid(xid);
+ return -EIO;
}
#endif /* CONFIG_CIFS_POSIX */
+
+ switch (command) {
+ case CIFS_IOC_CHECKUMOUNT:
+ cFYI(1, ("User unmount attempted"));
+ if (cifs_sb->mnt_uid == current->uid)
+ rc = 0;
+ else {
+ rc = -EACCES;
+ cFYI(1, ("uids do not match"));
+ }
+ break;
+#ifdef CONFIG_CIFS_POSIX
+ case FS_IOC_GETFLAGS:
+ if (CIFS_UNIX_EXTATTR_CAP & caps) {
+ if (pSMBFile == NULL)
+ break;
+ rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
+ &ExtAttrBits, &ExtAttrMask);
+ if (rc == 0)
+ rc = put_user(ExtAttrBits &
+ FS_FL_USER_VISIBLE,
+ (int __user *)arg);
+ }
+ break;
+
+ case FS_IOC_SETFLAGS:
+ if (CIFS_UNIX_EXTATTR_CAP & caps) {
+ if (get_user(ExtAttrBits, (int __user *)arg)) {
+ rc = -EFAULT;
+ break;
+ }
+ if (pSMBFile == NULL)
+ break;
+ /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
+ extAttrBits, &ExtAttrMask);*/
+ }
+ cFYI(1, ("set flags not implemented yet"));
+ break;
+#endif /* CONFIG_CIFS_POSIX */
+ default:
+ cFYI(1, ("unsupported ioctl"));
+ break;
+ }
+
+ FreeXid(xid);
return rc;
-}
+}