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authorMiklos Szeredi <mszeredi@redhat.com>2016-10-01 07:32:32 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2016-10-01 07:32:32 +0200
commit5e940c1dd3c1f7561924954eecee956ec277a79b (patch)
treeab6e949c24c553e4e0b6d10782f4993c1cd436da /include/uapi
parenta09f99eddef44035ec764075a37bace8181bec38 (diff)
fuse: handle killpriv in userspace fs
Only userspace filesystem can do the killing of suid/sgid without races. So introduce an INIT flag and negotiate support for this. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/fuse.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 27e17363263a..14ca2f10d354 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -108,6 +108,9 @@
*
* 7.25
* - add FUSE_PARALLEL_DIROPS
+ *
+ * 7.26
+ * - add FUSE_HANDLE_KILLPRIV
*/
#ifndef _LINUX_FUSE_H
@@ -143,7 +146,7 @@
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 25
+#define FUSE_KERNEL_MINOR_VERSION 26
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
@@ -238,6 +241,7 @@ struct fuse_file_lock {
* FUSE_WRITEBACK_CACHE: use writeback cache for buffered writes
* FUSE_NO_OPEN_SUPPORT: kernel supports zero-message opens
* FUSE_PARALLEL_DIROPS: allow parallel lookups and readdir
+ * FUSE_HANDLE_KILLPRIV: fs handles killing suid/sgid/cap on write/chown/trunc
*/
#define FUSE_ASYNC_READ (1 << 0)
#define FUSE_POSIX_LOCKS (1 << 1)
@@ -258,6 +262,7 @@ struct fuse_file_lock {
#define FUSE_WRITEBACK_CACHE (1 << 16)
#define FUSE_NO_OPEN_SUPPORT (1 << 17)
#define FUSE_PARALLEL_DIROPS (1 << 18)
+#define FUSE_HANDLE_KILLPRIV (1 << 19)
/**
* CUSE INIT request/reply flags