From 30707ce7be97574ba20ced43ffe33ee1f320c31d Mon Sep 17 00:00:00 2001
From: newrain001 <newrain_wang@163.com>
Date: Sat, 24 Feb 2024 15:01:03 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20'os/check1.sh'?=
MIME-Version: 1.0
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---
 os/check1.sh | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 os/check1.sh

diff --git a/os/check1.sh b/os/check1.sh
new file mode 100644
index 0000000..14c1910
--- /dev/null
+++ b/os/check1.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# 定义检查函数
+check_command() {
+  if eval $1; then
+    echo "第$2题正确"
+  else
+    echo "第$2题错误"
+  fi
+}
+
+# 1. 检查是否为root用户并且当前目录是否为/opt
+check_command "[ $(id -u) -eq 0 ]" 1
+
+# 2. 检查用户tom和jack以及组hr是否存在，并且tom是否属于组hr
+check_command "id tom &>/dev/null && id jack &>/dev/null && grep hr /etc/group &>/dev/null" 2
+
+# 3. 检查目录/opt/myfile和文件hello.txt、world.txt是否存在
+check_command "[ -d /opt/myfile ] && [ -f /opt/myfile/hello.txt ] && [ -f /opt/world.txt ]" 3
+
+# 4. 检查world.txt文件是否包含abcde字符串，且重复10行
+check_command "grep -Fxq 'abcde' /opt/world.txt && [ \$(grep -c 'abcde' /opt/world.txt) -eq 10 ]" 4
+
+# 5. 检查world.txt文件的属主是否为jack，属组是否为hr
+check_command "[ \$(stat -c '%U' /opt/world.txt) = 'jack' ] && [ \$(stat -c '%G' /opt/world.txt) = 'hr' ]" 5
+
+# 6. 检查world.txt文件权限是否设置正确
+check_command "[ \$(stat -c '%A' /opt/world.txt) = '-rwxrw-r--' ]" 6
+
+# 7. 检查/opt/myfile目录的属组是否为hr，并且递归设置
+check_command "[ \$(stat -c '%G' /opt/myfile) = 'hr' ] && [ \$(find /opt/myfile -not -group hr | wc -l) -eq 1 ]" 7
+
+# 8. 检查/opt/myfile目录的权限是否允许所有用户创建文件或子目录，且新文件继承属组
+check_command "[ \$(stat -c '%a' /opt/myfile) = '2777' ]" 8
+
+# 9. 检查cat命令是否设置为特殊提权指令
+check_command "find / -perm -4000 2>/dev/null| grep -qw 'cat'" 9
+
+# 10. 检查world.txt的后5行是否被复制到hello.txt中
+check_command "head -n 5 /opt/myfile/hello.txt | grep abcde &>/dev/null" 10
+
+# 11. 检查ip地址信息是否追加到hello.txt文件中
+check_command "grep ens33 /opt/myfile/hello.txt &>/dev/null" 11
+
+# 12. 检查/opt目录下的所有内容是否复制到/mnt目录下
+check_command "[ \$(diff -r /opt /mnt | wc -l) -eq 0 ]" 12
+