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authorAmir Goldstein <amir73il@gmail.com>2023-12-12 12:44:40 +0300
committerChristian Brauner <brauner@kernel.org>2023-12-12 18:20:02 +0300
commitd9e5d31084b024734e64307521414ef0ae1d5333 (patch)
tree5cad647473aa9eba5963c8d8caa7cf7dac635200 /include/linux
parentcb383f06686734ef04daf63a4369566800717b7b (diff)
downloadlinux-d9e5d31084b024734e64307521414ef0ae1d5333.tar.xz
fsnotify: optionally pass access range in file permission hooks
In preparation for pre-content permission events with file access range, move fsnotify_file_perm() hook out of security_file_permission() and into the callers. Callers that have the access range information call the new hook fsnotify_file_area_perm() with the access range. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Link: https://lore.kernel.org/r/20231212094440.250945-6-amir73il@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/fsnotify.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 0a9d6a8a747a..11e6434b8e71 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -101,9 +101,10 @@ static inline int fsnotify_file(struct file *file, __u32 mask)
}
/*
- * fsnotify_file_perm - permission hook before file access
+ * fsnotify_file_area_perm - permission hook before access to file range
*/
-static inline int fsnotify_file_perm(struct file *file, int perm_mask)
+static inline int fsnotify_file_area_perm(struct file *file, int perm_mask,
+ const loff_t *ppos, size_t count)
{
__u32 fsnotify_mask = FS_ACCESS_PERM;
@@ -121,6 +122,14 @@ static inline int fsnotify_file_perm(struct file *file, int perm_mask)
}
/*
+ * fsnotify_file_perm - permission hook before file access
+ */
+static inline int fsnotify_file_perm(struct file *file, int perm_mask)
+{
+ return fsnotify_file_area_perm(file, perm_mask, NULL, 0);
+}
+
+/*
* fsnotify_open_perm - permission hook before file open
*/
static inline int fsnotify_open_perm(struct file *file)