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 20:30:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：selinux_file_permission

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

返回类型：int

参数：

类型参数名称
struct file *file
intmask
3545  inode等于file_inode(file)
3546  fsec等于selinux_file(file)
3548  sid等于get the subjective security ID of the current task
3550  如果非mask则返回:0
3554  isec等于Get the security label of an inode.
3555  如果sid恒等于 SID of open file description 且 SID of inode at the time of file open 恒等于 SID of this object 且 Policy seqno at the time of file open 恒等于avc_policy_seqno( & selinux_state)则返回:0
3560  返回:le security operations