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 20:28:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：match_file

函数原型：static int match_file(const void *p, struct file *file, unsigned fd)

返回类型：int

参数：

类型参数名称
const void *p
struct file *file
unsignedfd
2447  返回:如果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则fd加1否则0