Merge branch 'main' of github.com:rayhanhanaputra/gemastik18-final

This commit is contained in:
Jonathan
2025-10-26 15:10:03 +07:00
10 changed files with 69 additions and 54 deletions
+2 -2
View File
@@ -26,7 +26,7 @@ COPY chall/ /home/ctfuser/chall
COPY ./entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh /home/ctfuser/chall/run.sh && \
chown -R root:root /home/ctfuser/chall && chmod -R 555 /home/ctfuser/chall
chown -R ctfuser:ctfuser /home/ctfuser/chall && chmod -R 755 /home/ctfuser/chall
EXPOSE 9000 22
CMD ["/entrypoint.sh"]
CMD ["/entrypoint.sh"]
+5 -1
View File
@@ -27,7 +27,11 @@ COPY ./src /home/ctfuser/chall/src
COPY ./start.sh /start.sh
RUN chmod +x /start.sh /home/ctfuser/chall/src/run.sh
RUN chown -R root:root /home/ctfuser/chall && chmod -R 555 /home/ctfuser/chall
RUN chown -R root:root /home/ctfuser/chall && \
chmod -R 555 /home/ctfuser/chall && \
chown ctfuser:ctfuser /home/ctfuser/chall/src/Pailier.py && \
chmod 755 /home/ctfuser/chall/src/Pailier.py
EXPOSE 8000 22
CMD ["/start.sh"]
+1 -1
View File
@@ -3,7 +3,7 @@
import signal
from Pailier import *
from Crypto.Util.number import *
signal.alarm(10)
signal.alarm(50)
with open("/flag.txt", "rb") as f:
flag = f.read()
flag = bytes_to_long(flag)
+1 -1
View File
@@ -3,7 +3,7 @@
import signal
from Pailier import *
from Crypto.Util.number import *
signal.alarm(10)
signal.alarm(50)
with open("/flag.txt", "rb") as f:
flag = f.read()
flag = bytes_to_long(flag)
+10 -7
View File
@@ -2,8 +2,8 @@ FROM python:3.12-slim
ARG PASSWORD=root
ENV DEBIAN_FRONTEND=noninteractive
ENV HOME=/home/ctf
WORKDIR /home/ctf/chall
ENV HOME=/home/ctfuser
WORKDIR /home/ctfuser/chall
RUN apt-get update && apt-get install -y --no-install-recommends \
openssh-server \
@@ -15,19 +15,22 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
bash \
&& rm -rf /var/lib/apt/lists/*
RUN useradd -m -d /home/ctf -s /bin/bash ctf && \
echo "ctf:${PASSWORD}" | chpasswd
RUN useradd -m -d /home/ctfuser -s /bin/bash ctfuser && \
echo "ctfuser:${PASSWORD}" | chpasswd
RUN mkdir -p /var/run/sshd
COPY requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir -r /tmp/requirements.txt
COPY ./src /home/ctf/chall/src
COPY ./src /home/ctfuser/chall/src
COPY ./start.sh /start.sh
RUN chmod +x /start.sh /home/ctf/chall/src/run.sh
RUN chmod +x /start.sh /home/ctfuser/chall/src/run.sh
RUN chown -R root:root /home/ctf/chall && chmod -R 555 /home/ctf/chall
RUN chown -R root:root /home/ctfuser/chall && \
chmod -R 555 /home/ctfuser/chall && \
chown ctfuser:ctfuser /home/ctfuser/chall/src/chall.py && \
chmod 755 /home/ctfuser/chall/src/chall.py
EXPOSE 8000 22
CMD ["/start.sh"]
+2 -2
View File
@@ -11,7 +11,7 @@ grep -q "^PasswordAuthentication" /etc/ssh/sshd_config && \
sed -i "s/^PasswordAuthentication.*/PasswordAuthentication yes/" /etc/ssh/sshd_config || \
echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config
echo "AllowUsers ctf" >> /etc/ssh/sshd_config
echo "AllowUsers ctfuser" >> /etc/ssh/sshd_config
/usr/sbin/sshd
@@ -21,4 +21,4 @@ if [ -n "$FLAG" ]; then
chown root:root /flag.txt
fi
exec su -c "cd /home/ctf/chall/src && ./run.sh" -s /bin/bash ctf
exec su -c "cd /home/ctfuser/chall/src && ./run.sh" -s /bin/bash ctfuser