ping-service

ping-service/Dockerfile

@@ -4,21 +4,22 @@ FROM ubuntu:16.04
 RUN apt-get update && apt-get -y dist-upgrade --fix-missing --fix-broken
 
 # install socat editor ssh
-RUN apt-get install curl netcat-openbsd vim nano openssh-server socat lib32ncurses5 python python-pip python-dev -y
+RUN apt-get install curl netcat-openbsd vim nano openssh-server socat lib32ncurses5 python python-pip python-dev iputils-ping -y
 
 RUN adduser --disabled-password --gecos "" ksl
 RUN echo "ksl:sebuahrahasiamas" | chpasswd
 
 ADD chall/. /chall
 WORKDIR /chall
+RUN cp /bin/ping /usr/local/bin/
 
 RUN echo 'KSL{U14RZ_M4M4NXX_KERENZX_4ANEETTT!!}'  > /chall/flag.txt # ubah isi flagnya
 
 # Secure ENV
 
 RUN echo 'alias kill="echo no kill please!"' >> ~/.bashrc
-RUN chmod 700 /tmp /var/tmp /usr/bin/* /bin/* /dev/shm
-RUN chmod 755 /usr/bin/env /bin/dash /bin/bash /bin/sh /bin/nc /bin/cat /usr/bin/curl /usr/bin/groups /usr/bin/id /bin/ls /usr/bin/python
+RUN chmod 700 /usr/bin/* /bin/* /dev/shm
+RUN chmod 755 /usr/bin/env /bin/dash /bin/bash /bin/sh /bin/nc /bin/cat /usr/bin/curl /usr/bin/groups /usr/bin/id /bin/ls /usr/bin/python /bin/ping
 
 
 RUN chown root:ksl /chall/ping-service.py # ubah nama file

ping-service/chall/ping-service.py

@@ -50,7 +50,7 @@ def main():
     userNumber = raw_input("Masukkan pilihan (1-3): ")
     if userNumber == "1" :
         host = raw_input("\nMasukkan alamat host : ")                         
-        p1 = subprocess.Popen(['ping','-c 5', host], stdout=subprocess.PIPE)
+        p1 = subprocess.Popen(['/usr/local/bin/ping','-c 5', host], stdout=subprocess.PIPE)
         output = p1.communicate()[0]                                        
         print output                                                        
         exit()
@@ -61,7 +61,7 @@ def main():
         for o in range(user):                          
             host = raw_input("Masukkan alamat host ke " +str(o+1) +" : ")
             hosts=   re.sub('[|,;]', '', host)
-            pings = MaManX('ping -c 5 ' + hosts ) 
+            pings = MaManX('/usr/local/bin/ping -c 5 ' + hosts ) 
             if (pings == 0):
                 print host.upper(), "IS UP MAMANX"
             else :