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48 lines
1.9 KiB
48 lines
1.9 KiB
9 months ago
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#!/bin/bash
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# 定义检查函数
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check_command() {
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if eval $1; then
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echo "第$2题正确"
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else
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echo "第$2题错误"
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fi
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}
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# 1. 检查是否为root用户并且当前目录是否为/opt
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check_command "[ $(id -u) -eq 0 ]" 1
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# 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
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check_command "id tom &>/dev/null && id jack &>/dev/null && grep hr /etc/group &>/dev/null" 2
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# 3. 检查目录/opt/myfile和文件hello.txt、world.txt是否存在
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check_command "[ -d /opt/myfile ] && [ -f /opt/myfile/hello.txt ] && [ -f /opt/world.txt ]" 3
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# 4. 检查world.txt文件是否包含abcde字符串，且重复10行
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check_command "grep -Fxq 'abcde' /opt/world.txt && [ \$(grep -c 'abcde' /opt/world.txt) -eq 10 ]" 4
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# 5. 检查world.txt文件的属主是否为jack，属组是否为hr
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check_command "[ \$(stat -c '%U' /opt/world.txt) = 'jack' ] && [ \$(stat -c '%G' /opt/world.txt) = 'hr' ]" 5
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# 6. 检查world.txt文件权限是否设置正确
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check_command "[ \$(stat -c '%A' /opt/world.txt) = '-rwxrw-r--' ]" 6
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# 7. 检查/opt/myfile目录的属组是否为hr，并且递归设置
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check_command "[ \$(stat -c '%G' /opt/myfile) = 'hr' ] && [ \$(find /opt/myfile -not -group hr | wc -l) -eq 1 ]" 7
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# 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
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check_command "[ \$(stat -c '%a' /opt/myfile) = '2777' ]" 8
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# 9. 检查cat命令是否设置为特殊提权指令
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check_command "find / -perm -4000 2>/dev/null| grep -qw 'cat'" 9
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# 10. 检查world.txt的后5行是否被复制到hello.txt中
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check_command "head -n 5 /opt/myfile/hello.txt | grep abcde &>/dev/null" 10
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# 11. 检查ip地址信息是否追加到hello.txt文件中
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check_command "grep ens33 /opt/myfile/hello.txt &>/dev/null" 11
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# 12. 检查/opt目录下的所有内容是否复制到/mnt目录下
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check_command "[ \$(diff -r /opt /mnt | wc -l) -eq 0 ]" 12
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