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 20:30:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:selinux_file_ioctl

函数原型:static int selinux_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

返回类型:int

参数:

类型参数名称
struct file *file
unsigned intcmd
unsigned longarg
3614  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.()
3615  error等于0
3618  :cmd恒等于FIONREAD
3620  :cmd恒等于map access
3622  :cmd恒等于get the block size used for bmap
3624  :cmd恒等于FS_IOC_GETFLAGS
3626  :cmd恒等于FS_IOC_GETVERSION
3627  error等于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
3628  退出
3630  :cmd恒等于FS_IOC_SETFLAGS
3632  :cmd恒等于FS_IOC_SETVERSION
3633  error等于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
3634  退出
3637  :cmd恒等于FIONBIO
3639  :cmd恒等于FIOASYNC
3640  error等于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
3641  退出
3643  :cmd恒等于sets one entry in translation table
3644  :cmd恒等于sets one function key string entry
3645  error等于Check whether a task is allowed to use a capability.
3647  退出
3652  默认
3653  error等于Check whether a task has the ioctl permission and cmd* operation to an inode.
3655  返回:error