├── README.md
├── csfpost.sh
├── csfpre.sh
└── install.sh


/README.md:
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 1 | # ConfigServer Security & Firewall (CSF) - csfpre.sh / csfpost.sh
 2 | 
 3 | ## Install
 4 | Installation is quite straightforward:
 5 | 
 6 | ```
 7 | # cd /usr/local/src
 8 | # git clone https://github.com/juliengk/csf-pre_post_sh.git
 9 | # cd csf-pre_post_sh
10 | # sh install.sh
11 | ```
12 | 
13 | ## User Feedback
14 | ### Issues
15 | 
16 | If you have any problems with or questions about this image, please contact us through a [GitHub](https://github.com/juliengk/csf-pre_post_sh/issues) issue.
17 | 


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/csfpost.sh:
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 1 | #!/bin/sh
 2 | 
 3 | CSFPOSTD_PATH="/usr/local/include/csf/post.d"
 4 | 
 5 | if [ -d ${CSFPOSTD_PATH} ]; then
 6 | 	for i in ${CSFPOSTD_PATH}/*.sh; do
 7 | 		if [ -r $i ]; then
 8 | 			. $i
 9 | 		fi
10 | 	done
11 | 
12 | 	unset i
13 | fi
14 | 


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/csfpre.sh:
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 1 | #!/bin/sh
 2 | 
 3 | CSFPRED_PATH="/usr/local/include/csf/pre.d"
 4 | 
 5 | if [ -d ${CSFPRED_PATH} ]; then
 6 | 	for i in ${CSFPRED_PATH}/*.sh; do
 7 | 		if [ -r $i ]; then
 8 | 			. $i
 9 | 		fi
10 | 	done
11 | 
12 | 	unset i
13 | fi
14 | 


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/install.sh:
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 1 | #!/bin/bash
 2 | 
 3 | CSF_BIN_PATH="/usr/local/csf/bin"
 4 | CSFPRESH_SCRIPT="${CSF_BIN_PATH}/csfpre.sh"
 5 | CSFPOSTSH_SCRIPT="${CSF_BIN_PATH}/csfpost.sh"
 6 | 
 7 | CSFPRED_PATH="/usr/local/include/csf/pre.d"
 8 | CSFPOSTD_PATH="/usr/local/include/csf/post.d"
 9 | 
10 | function copy_script {
11 | 	local csf_script=$1
12 | 	local csf_dst_path=$2
13 | 
14 | 	if [ -f ${csf_dst_path} ]; then
15 | 		md5_0=`md5sum ${csf_script} | awk '{ print $1 }'`
16 | 		md5_1=`md5sum ${csf_dst_path} | awk '{ print $1 }'`
17 | 
18 | 		if [ ${md5_0} == ${md5_1} ]; then
19 | 			echo "The script ${csf_script} already exists and is up to date"
20 | 			exit 0
21 | 		else
22 | 			ok=0
23 | 			while [ ${ok} -eq 0 ]; do
24 | 				clear
25 | 
26 | 				echo "** Warning! **"
27 | 				echo "A different version of the script ${csf_script} is already present"
28 | 				echo "Do you want to replace it (y/n)?"
29 | 
30 | 				read answer
31 | 
32 | 				if [ ${answer} == "y" -o ${answer} == "n" ]; then
33 | 					ok=1
34 | 				fi
35 | 			done
36 | 
37 | 			if [ ${answer} == "n" ]; then
38 | 				exit 1
39 | 			fi
40 | 		fi
41 | 	fi
42 | 
43 | 	cp -f ${csf_script} ${csf_dst_path}
44 | 	chown root:root ${csf_dst_path}
45 | 	chmod 700 ${csf_dst_path}
46 | }
47 | 
48 | # Verify /bin/bash is linked to /bin/sh
49 | shell="bash"
50 | sh_shell=`ls -l /bin/sh | awk '{ print $NF }'`
51 | 
52 | if [ ${sh_shell} != ${shell} -a ${sh_shell} != "/bin/${shell}" ]; then
53 | 	echo "** Critical! **"
54 | 	echo "/bin/sh is not linked to /bin/${shell}. Yours is ${sh_shell}."
55 | 	echo "Only /bin/${shell} is supported"
56 | 
57 | 	exit 1
58 | fi
59 | 
60 | # Create directories needed for custom csf{pre,post}
61 | if [ ! -d ${CSFPRED_PATH} ]; then
62 | 	mkdir -p ${CSFPRED_PATH}
63 | fi
64 | 
65 | if [ ! -d ${CSFPOSTD_PATH} ]; then
66 | 	mkdir -p ${CSFPOSTD_PATH}
67 | fi
68 | 
69 | # Copy scripts
70 | copy_script "csfpre.sh" ${CSFPRESH_SCRIPT}
71 | copy_script "csfpost.sh" ${CSFPOSTSH_SCRIPT}
72 | 
73 | exit 0
74 | 


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