add flag

Author: sirdarckcat

ctf/blackbox/fdr.py

@@ -4,6 +4,9 @@
 import json
 import logging
 import logging.handlers
+import time
+
+time.sleep(60)
 
 lstnr = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
 lstnr.bind(("", 34568))

ctf/docker-compose.yaml

@@ -8,6 +8,8 @@ services:
 
   blackbox:
     build: ./blackbox
+    depends_on:
+      - mcdu
     networks:
       canaero:
         ipv4_address: 172.20.4.2
@@ -20,6 +22,8 @@ services:
 
   mcdu:
     build: ./mcdu
+    depends_on:
+      - cdls
     ports:
       - "127.0.0.1:9923:23"
     volumes:
@@ -30,6 +34,8 @@ services:
 
   router:
     build: ./router
+    depends_on:
+      - mcdu
     ports:
       - "8823:23"
     networks:

ctf/mcdu/Dockerfile

@@ -20,4 +20,4 @@ RUN cd /cdls; make unlock
 COPY telnet.go shell.go
 RUN /usr/local/go/bin/go build -o /out/shell .
 
-CMD /out/shell
+CMD /cdls/unlock 'CTF{TheFlagGoesHere}'; /out/shell