smk_write_onlycap

函数名称：smk_write_onlycap - write() for smackfs/onlycap*@file: file pointer, not actually used*@buf: where to get the data from*@count: bytes sent*@ppos: where to start* Returns number of bytes written or error code, as appropriate

函数原型：static ssize_t smk_write_onlycap(struct file *file, const char __user *buf, size_t count, loff_t *ppos)

返回类型：ssize_t

参数：

类型	参数	名称
struct file *	file
const char __user *	buf
size_t	count
loff_t *	ppos

1984

LIST_HEAD(list_tmp)

1987

如果非smack_privileged - are all privilege requirements met*@cap: The requested capability* Is the task privileged and allowed to be privileged* by the onlycap rule.* Returns true if the task is allowed to be privileged, false if it's not.则返回:负EPERM

1990

data等于memdup_user_nul - duplicate memory region from user space and NUL-terminate*@src: source address in user space*@len: number of bytes to copy* Return: an ERR_PTR() on failure.

1991

如果是错误则返回:错误

1994

rc等于smk_parse_label_list - parse list of Smack labels, separated by spaces*@data: the string to parse*@private: destination list* Returns zero on success or error code, as appropriate

1995

释放内存

2007

如果非rc或rc恒等于负EINVAL且链表为空则

2008

mutex_lock( & smack_onlycap_lock)

2009

smk_list_swap_rcu - swap public list with a private one in RCU-safe way* The caller must hold appropriate mutex to prevent concurrent modifications* to the public list

2010

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

2011

rc等于count

2014

smk_destroy_label_list - destroy a list of smack_known_list_elem*@head: header pointer of the list to destroy

2016

返回:rc

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告