函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\smack\smack_lsm.c Create Date:2022-07-27 20:52:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：smack_msg_queue_msgctl - Smack access check for msg_queue*@isp: the object*@cmd: what it wants to do* Returns 0 if current has the requested access, error code otherwise

函数原型：static int smack_msg_queue_msgctl(struct kern_ipc_perm *isp, int cmd)

返回类型：int

参数：

类型参数名称
struct kern_ipc_perm *isp
intcmd
3164  当:cmd恒等于get ipc_perm options
3165  当:cmd恒等于pcs ctl commands
3166  当:cmd恒等于MSG_STAT_ANY
3167  may等于MAY_READ
3168  退出
3169  当:cmd恒等于set ipc_perm options
3170  当:cmd恒等于move resource
3171  may等于MAY_READWRITE
3172  退出
3173  当:cmd恒等于see ipcs
3174  当:cmd恒等于MSG_INFO
3178  返回:0
3179  默认
3180  返回:负EINVAL
3183  返回:smk_curacc_msq : helper to check if current has access on msq*@isp : the msq*@access : access requested* return 0 if current has access, error otherwise