diff mbox series

[v5,23/24] xfs: add fs-verity ioctls

Message ID 20240304191046.157464-25-aalbersh@redhat.com (mailing list archive)
State Superseded, archived
Headers show
Series fs-verity support for XFS | expand

Commit Message

Andrey Albershteyn March 4, 2024, 7:10 p.m. UTC
Add fs-verity ioctls to enable, dump metadata (descriptor and Merkle
tree pages) and obtain file's digest.

Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
---
 fs/xfs/xfs_ioctl.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Comments

Darrick J. Wong March 7, 2024, 10:14 p.m. UTC | #1
On Mon, Mar 04, 2024 at 08:10:46PM +0100, Andrey Albershteyn wrote:
> Add fs-verity ioctls to enable, dump metadata (descriptor and Merkle
> tree pages) and obtain file's digest.
> 
> Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
> ---
>  fs/xfs/xfs_ioctl.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
> index ab61d7d552fb..4763d20c05ff 100644
> --- a/fs/xfs/xfs_ioctl.c
> +++ b/fs/xfs/xfs_ioctl.c
> @@ -43,6 +43,7 @@
>  #include <linux/mount.h>
>  #include <linux/namei.h>
>  #include <linux/fileattr.h>
> +#include <linux/fsverity.h>
>  
>  /*
>   * xfs_find_handle maps from userspace xfs_fsop_handlereq structure to
> @@ -2174,6 +2175,22 @@ xfs_file_ioctl(
>  		return error;
>  	}
>  
> +	case FS_IOC_ENABLE_VERITY:
> +		if (!xfs_has_verity(mp))
> +			return -EOPNOTSUPP;
> +		return fsverity_ioctl_enable(filp, (const void __user *)arg);

Isn't @arg already declared as a (void __user *) ?

--D

> +
> +	case FS_IOC_MEASURE_VERITY:
> +		if (!xfs_has_verity(mp))
> +			return -EOPNOTSUPP;
> +		return fsverity_ioctl_measure(filp, (void __user *)arg);
> +
> +	case FS_IOC_READ_VERITY_METADATA:
> +		if (!xfs_has_verity(mp))
> +			return -EOPNOTSUPP;
> +		return fsverity_ioctl_read_metadata(filp,
> +						    (const void __user *)arg);
> +
>  	default:
>  		return -ENOTTY;
>  	}
> -- 
> 2.42.0
> 
>
Andrey Albershteyn March 12, 2024, 12:42 p.m. UTC | #2
On 2024-03-07 14:14:45, Darrick J. Wong wrote:
> On Mon, Mar 04, 2024 at 08:10:46PM +0100, Andrey Albershteyn wrote:
> > Add fs-verity ioctls to enable, dump metadata (descriptor and Merkle
> > tree pages) and obtain file's digest.
> > 
> > Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
> > ---
> >  fs/xfs/xfs_ioctl.c | 17 +++++++++++++++++
> >  1 file changed, 17 insertions(+)
> > 
> > diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
> > index ab61d7d552fb..4763d20c05ff 100644
> > --- a/fs/xfs/xfs_ioctl.c
> > +++ b/fs/xfs/xfs_ioctl.c
> > @@ -43,6 +43,7 @@
> >  #include <linux/mount.h>
> >  #include <linux/namei.h>
> >  #include <linux/fileattr.h>
> > +#include <linux/fsverity.h>
> >  
> >  /*
> >   * xfs_find_handle maps from userspace xfs_fsop_handlereq structure to
> > @@ -2174,6 +2175,22 @@ xfs_file_ioctl(
> >  		return error;
> >  	}
> >  
> > +	case FS_IOC_ENABLE_VERITY:
> > +		if (!xfs_has_verity(mp))
> > +			return -EOPNOTSUPP;
> > +		return fsverity_ioctl_enable(filp, (const void __user *)arg);
> 
> Isn't @arg already declared as a (void __user *) ?
> 
> --D
> 

Right, will remove that.
diff mbox series

Patch

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index ab61d7d552fb..4763d20c05ff 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -43,6 +43,7 @@ 
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/fileattr.h>
+#include <linux/fsverity.h>
 
 /*
  * xfs_find_handle maps from userspace xfs_fsop_handlereq structure to
@@ -2174,6 +2175,22 @@  xfs_file_ioctl(
 		return error;
 	}
 
+	case FS_IOC_ENABLE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_enable(filp, (const void __user *)arg);
+
+	case FS_IOC_MEASURE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_measure(filp, (void __user *)arg);
+
+	case FS_IOC_READ_VERITY_METADATA:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_read_metadata(filp,
+						    (const void __user *)arg);
+
 	default:
 		return -ENOTTY;
 	}