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authorjamie <jamie@FreeBSD.org>2015-01-28 21:08:09 +0000
committerjamie <jamie@FreeBSD.org>2015-01-28 21:08:09 +0000
commitc7d0935d11cf5759953f63cca51149aa15dcb848 (patch)
tree8fb9bb7bfb5ce6fd9121894060e6bd8e6379ed85 /sys/fs/fdescfs
parent4c0192c35b4a231b0d12674f53cfe8ab5f88acf8 (diff)
downloadFreeBSD-src-c7d0935d11cf5759953f63cca51149aa15dcb848.zip
FreeBSD-src-c7d0935d11cf5759953f63cca51149aa15dcb848.tar.gz
Add allow.mount.fdescfs jail flag.
PR: 192951 Submitted by: ruben@verweg.com MFC after: 3 days
Diffstat (limited to 'sys/fs/fdescfs')
-rw-r--r--sys/fs/fdescfs/fdesc_vfsops.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/fs/fdescfs/fdesc_vfsops.c b/sys/fs/fdescfs/fdesc_vfsops.c
index cb5e3c0..d3d8ce0 100644
--- a/sys/fs/fdescfs/fdesc_vfsops.c
+++ b/sys/fs/fdescfs/fdesc_vfsops.c
@@ -42,6 +42,7 @@
#include <sys/systm.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
+#include <sys/jail.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/malloc.h>
@@ -78,8 +79,12 @@ fdesc_mount(struct mount *mp)
{
int error = 0;
struct fdescmount *fmp;
+ struct thread *td = curthread;
struct vnode *rvp;
+ if (!prison_allow(td->td_ucred, PR_ALLOW_MOUNT_FDESCFS))
+ return (EPERM);
+
/*
* Update is a no-op
*/
@@ -237,4 +242,4 @@ static struct vfsops fdesc_vfsops = {
.vfs_unmount = fdesc_unmount,
};
-VFS_SET(fdesc_vfsops, fdescfs, VFCF_SYNTHETIC);
+VFS_SET(fdesc_vfsops, fdescfs, VFCF_SYNTHETIC | VFCF_JAIL);
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