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 20:49:47
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：smack_inode_setattr - Smack check for setting attributes*@dentry: the object*@iattr: for the force flag* Returns 0 if access is permitted, an error code otherwise

函数原型：static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)

返回类型：int

参数：

类型参数名称
struct dentry *dentry
struct iattr *iattr
1213  如果ia_valid按位与Not a change, but a change it 则返回:0
1215  some inline functions to set up audit data* they do nothing if CONFIG_AUDIT is not set
1216  smk_ad_setfield_u_fs_path_dentry( & ad, dentry)
1218  rc等于smk_curacc - determine if current has a specific access to an object*@obj_known: a pointer to the object's Smack label entry*@mode: the access requested, in "MAY" format*@a : common audit data* This function checks the current subject label/object label
1219  rc等于smk_bu_inode(d_backing_inode - Get upper or lower inode we should be using*@upper: The upper layer* This is the helper that should be used to get at the inode that will be used* if this dentry were to be opened as a file. The inode may be on the upper, MAY_WRITE, rc)
1220  返回:rc