* Fields marked with "PI:" are public and immutable and may be accessed * directly without synchronization. */struct cgroup_subsys_state { /* PI: the cgroup that this css is attached to */ struct cgroup *cgroup;
if ((mask & S_IWOTH) && IS_IMMUTABLE(inode)) //Nobody gets write access to an immutable file return -EACCES; if (current->fsuid == inode->i_uid)//如果当前进程的fsuid和inode结构的i_uid相等,那么应该比较mode中S_IRUSR、S_IWUSR、S_IXUSR位 mode >>= 6; else if (in_group_p(inode->...
File created: searched for 173 files, found 141 1. 2. 3. 参数: [root@xuegod63 ~]# rkhunter -h | grep propupd --propupd [{filename | directory | package name},...] | --propupd [file | directory | Update the entire file properties database, [root@bogon rkhunter-1.4.2]# ls /...
Warning: File '/usr/bin/gawk' has the immutable-bit set. Warning: File '/sbin/chkconfig' has the immutable-bit set. Warning: File '/sbin/depmod' has the immutable-bit set. Warning: File '/sbin/fuser' has the immutable-bit set. Warning: File '/sbin/ifconfig' has the immutable-bit ...
属性i:不可变 (immutable) 属性a: 仅可追加(append only) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ###创建一个测试文件[root@liruilong~]# vim test.sh hello the world ni hao.###文件如果有i的属性,则对于此文件,增删改查均无法操作 ##lsattr 查看...
We can't do it if dir is read-only (done in permission()) * 3. We should have write and exec permissions on dir * 4. We can't do it if dir is immutable (done in permission()) */ static inline int may_create(struct inode *dir, struct dentry *child) { if (child->d_inode...
Schematic Diagram 结语 | |真|化|絲|一|一|聽|再|看| | |真|作|絲|心|心|遍|看|遍| | |假|段|點|把|把|那|遍|了| |石|假|段|點|生|思|渺|遠|冷| |頭| |塵|計|關|緒|渺|遠|冷| |記|悉|緣|算|死|拋|世|青|清| | |悲| | |劫|卻|間|山|風| | |歡|紛|偏|與|似...
i:不能修改。不能删除或重命名,不能创建到该文件的链接,也不能向该文件写入数据。只有超级用户或拥有CAP_LINUX_IMMUTABLE能力的进程才能设置或清除此属性。 这个技巧常被用在后门,变成了一些难以清除的后门文件 chattr +i evil.php 锁定文件 lsattr evil.php 属性查看 ...
Among those, flash memory prices have decreased over time, providing the necessary mass storage for the Linux filesystem [7]. Similarly, low-power small-footprint System on a Chip (SoC) hardware is increasingly becoming the developer’s premier processor choice. As a consequence, virtually every...
If you want to make a whole directory (e.g.,/etc) including all its content immutable at once recursively, use-Roption: $ sudo chattr -R +i /etc Append Only Attribute Another useful attribute isappend-onlyattribute which forces a file to grow only. You cannot overwrite or delete a file...