diff options
Diffstat (limited to 'fs/xfs/xfs_ioctl32.c')
-rw-r--r-- | fs/xfs/xfs_ioctl32.c | 116 |
1 files changed, 14 insertions, 102 deletions
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 7fcf7569743f..769581a79c58 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -107,7 +107,7 @@ xfs_ioctl32_bstime_copyin( xfs_bstime_t *bstime, compat_xfs_bstime_t __user *bstime32) { - compat_time_t sec32; /* tv_sec differs on 64 vs. 32 */ + old_time32_t sec32; /* tv_sec differs on 64 vs. 32 */ if (get_user(sec32, &bstime32->tv_sec) || get_user(bstime->tv_nsec, &bstime32->tv_nsec)) @@ -381,7 +381,7 @@ xfs_compat_attrlist_by_handle( return PTR_ERR(dentry); error = -ENOMEM; - kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP); + kbuf = kmem_zalloc_large(al_hreq.buflen, 0); if (!kbuf) goto out_dput; @@ -450,6 +450,13 @@ xfs_compat_attrmulti_by_handle( error = 0; for (i = 0; i < am_hreq.opcount; i++) { + if ((ops[i].am_flags & ATTR_ROOT) && + (ops[i].am_flags & ATTR_SECURE)) { + ops[i].am_error = -EINVAL; + continue; + } + ops[i].am_flags &= ~ATTR_KERNEL_FLAGS; + ops[i].am_error = strncpy_from_user((char *)attr_name, compat_ptr(ops[i].am_attrname), MAXNAMELEN); @@ -500,44 +507,6 @@ xfs_compat_attrmulti_by_handle( return error; } -STATIC int -xfs_compat_fssetdm_by_handle( - struct file *parfilp, - void __user *arg) -{ - int error; - struct fsdmidata fsd; - compat_xfs_fsop_setdm_handlereq_t dmhreq; - struct dentry *dentry; - - if (!capable(CAP_MKNOD)) - return -EPERM; - if (copy_from_user(&dmhreq, arg, - sizeof(compat_xfs_fsop_setdm_handlereq_t))) - return -EFAULT; - - dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq); - if (IS_ERR(dentry)) - return PTR_ERR(dentry); - - if (IS_IMMUTABLE(d_inode(dentry)) || IS_APPEND(d_inode(dentry))) { - error = -EPERM; - goto out; - } - - if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { - error = -EFAULT; - goto out; - } - - error = xfs_set_dmattrs(XFS_I(d_inode(dentry)), fsd.fsd_dmevmask, - fsd.fsd_dmstate); - -out: - dput(dentry); - return error; -} - long xfs_file_compat_ioctl( struct file *filp, @@ -547,79 +516,23 @@ xfs_file_compat_ioctl( struct inode *inode = file_inode(filp); struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; - void __user *arg = (void __user *)p; + void __user *arg = compat_ptr(p); int error; trace_xfs_file_compat_ioctl(ip); switch (cmd) { - /* No size or alignment issues on any arch */ - case XFS_IOC_DIOINFO: - case XFS_IOC_FSGEOMETRY_V4: - case XFS_IOC_FSGEOMETRY: - case XFS_IOC_AG_GEOMETRY: - case XFS_IOC_FSGETXATTR: - case XFS_IOC_FSSETXATTR: - case XFS_IOC_FSGETXATTRA: - case XFS_IOC_FSSETDM: - case XFS_IOC_GETBMAP: - case XFS_IOC_GETBMAPA: - case XFS_IOC_GETBMAPX: - case XFS_IOC_FSCOUNTS: - case XFS_IOC_SET_RESBLKS: - case XFS_IOC_GET_RESBLKS: - case XFS_IOC_FSGROWFSLOG: - case XFS_IOC_GOINGDOWN: - case XFS_IOC_ERROR_INJECTION: - case XFS_IOC_ERROR_CLEARALL: - case FS_IOC_GETFSMAP: - case XFS_IOC_SCRUB_METADATA: - case XFS_IOC_BULKSTAT: - case XFS_IOC_INUMBERS: - return xfs_file_ioctl(filp, cmd, p); -#if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32) - /* - * These are handled fine if no alignment issues. To support x32 - * which uses native 64-bit alignment we must emit these cases in - * addition to the ia-32 compat set below. - */ - case XFS_IOC_ALLOCSP: - case XFS_IOC_FREESP: - case XFS_IOC_RESVSP: - case XFS_IOC_UNRESVSP: - case XFS_IOC_ALLOCSP64: - case XFS_IOC_FREESP64: - case XFS_IOC_RESVSP64: - case XFS_IOC_UNRESVSP64: - case XFS_IOC_FSGEOMETRY_V1: - case XFS_IOC_FSGROWFSDATA: - case XFS_IOC_FSGROWFSRT: - case XFS_IOC_ZERO_RANGE: -#ifdef CONFIG_X86_X32 - /* - * x32 special: this gets a different cmd number from the ia-32 compat - * case below; the associated data will match native 64-bit alignment. - */ - case XFS_IOC_SWAPEXT: -#endif - return xfs_file_ioctl(filp, cmd, p); -#endif #if defined(BROKEN_X86_ALIGNMENT) case XFS_IOC_ALLOCSP_32: case XFS_IOC_FREESP_32: case XFS_IOC_ALLOCSP64_32: - case XFS_IOC_FREESP64_32: - case XFS_IOC_RESVSP_32: - case XFS_IOC_UNRESVSP_32: - case XFS_IOC_RESVSP64_32: - case XFS_IOC_UNRESVSP64_32: - case XFS_IOC_ZERO_RANGE_32: { + case XFS_IOC_FREESP64_32: { struct xfs_flock64 bf; if (xfs_compat_flock64_copyin(&bf, arg)) return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_flock64); - return xfs_ioc_space(filp, cmd, &bf); + return xfs_ioc_space(filp, &bf); } case XFS_IOC_FSGEOMETRY_V1_32: return xfs_compat_ioc_fsgeometry_v1(mp, arg); @@ -702,9 +615,8 @@ xfs_file_compat_ioctl( return xfs_compat_attrlist_by_handle(filp, arg); case XFS_IOC_ATTRMULTI_BY_HANDLE_32: return xfs_compat_attrmulti_by_handle(filp, arg); - case XFS_IOC_FSSETDM_BY_HANDLE_32: - return xfs_compat_fssetdm_by_handle(filp, arg); default: - return -ENOIOCTLCMD; + /* try the native version */ + return xfs_file_ioctl(filp, cmd, (unsigned long)arg); } } |