Start working on audit code (#43)

lib/include/audit_code.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+function audit_wrn() {
+	echo -e "[${Yellow}code-audit${Reset}] $1"
+}
+
+function audit_code_popen() {
+	local match
+	match="$(grep -rPn 'popen' src)"
+	if [ "$match" != "" ]
+	then
+		audit_wrn "$(tput bold)WARNING$(tput sgr0): found popen"
+		echo "$match" | awk '{ print "\t" $0}'
+	fi
+}
+
+function audit_code_system() {
+	local match
+	match="$(grep -rPn '(system[\s]*$|system\()' src | grep -v '//.*system')"
+	if [ "$match" != "" ]
+	then
+		audit_wrn "$(tput bold)WARNING$(tput sgr0): found system call"
+		echo "$match" | awk '{ print "\t" $0}'
+	fi
+}
+
+function audit_code_exec() {
+	local match
+	match="$(grep -Prn '(execl|execle|execlp|execv(?!e\(\))|execve(?!\(\))|execvp|fexecve)' src)"
+	if [ "$match" != "" ]
+	then
+		audit_wrn "$(tput bold)WARNING$(tput sgr0): found exec call"
+		echo "$match" | awk '{ print "\t" $0}'
+	fi
+}
+
+function audit_code_shell() {
+	local match
+	match="$(grep -iErn '(bin/|env )(sh|bash|fish|zsh|csh)' src)"
+	if [ "$match" != "" ]
+	then
+		audit_wrn "$(tput bold)WARNING$(tput sgr0): found possible reverse shell"
+		echo "$match" | awk '{ print "\t" $0}'
+	fi
+}
+
+function audit_code_rcon() {
+	local match
+	match="$(grep -iErn '(print|log|say|sendchat|broadcast).*config.*SvRconPassword' src)"
+	if [ "$match" != "" ]
+	then
+		audit_wrn "$(tput bold)WARNING$(tput sgr0): found possible rcon password leak"
+		echo "$match" | awk '{ print "\t" $0}'
+	fi
+}
+
+function audit_code() {
+	if [ ! -d "$CFG_GIT_PATH_MOD" ]
+	then
+		return
+	fi
+	(
+		cd "$CFG_GIT_PATH_MOD" || exit 1
+		audit_code_rcon
+		audit_code_shell
+		audit_code_exec
+		audit_code_system
+		audit_code_popen
+	)
+}
+

lib/lib.sh

@@ -15,6 +15,7 @@ source lib/include/settings.sh
 source lib/include/git.sh
 source lib/include/logs.sh
 source lib/include/screen.sh
+source lib/include/audit_code.sh
 
 function get_player_ips() {
 	if [ ! "$(command -v rg)" ]

status.sh

@@ -10,6 +10,7 @@ fi
 source lib/lib.sh
 
 check_warnings
+audit_code
 
 if pgrep -f "$SERVER_UUID" > /dev/null
 then