函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\selinux\hooks.c Create Date:2022-07-27 20:30:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：le security operations

函数原型：static int selinux_revalidate_file_permission(struct file *file, int mask)

返回类型：int

参数：

类型参数名称
struct file *file
intmask
3532  cred等于current_cred - Access the current task's subjective credentials* Access the subjective credentials of the current task. RCU-safe,* since nobody else can modify it.()
3533  inode等于file_inode(file)
3536  如果f_flags按位与O_APPEND且mask按位与MAY_WRITE则mask或等于MAY_APPEND
3539  返回:Check whether a task can use an open file descriptor toaccess an inode in a given way. Check access to thedescriptor itself, and then use dentry_has_perm tocheck a particular permission to the file.Access to the descriptor is implicitly granted if it
调用者
名称描述
selinux_file_permission