24 lines
667 B
Bash
24 lines
667 B
Bash
#!/bin/bash
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set -e
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ssh-keygen -A
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grep -q "^PermitRootLogin" /etc/ssh/sshd_config && \
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sed -i "s/^PermitRootLogin.*/PermitRootLogin no/" /etc/ssh/sshd_config || \
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echo "PermitRootLogin no" >> /etc/ssh/sshd_config
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grep -q "^PasswordAuthentication" /etc/ssh/sshd_config && \
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sed -i "s/^PasswordAuthentication.*/PasswordAuthentication yes/" /etc/ssh/sshd_config || \
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echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config
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echo "AllowUsers ctf" >> /etc/ssh/sshd_config
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/usr/sbin/sshd
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if [ -n "$FLAG" ]; then
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echo "$FLAG" > /flag.txt
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chmod 644 /flag.txt
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chown root:root /flag.txt
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fi
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exec su -c "cd /home/ctf/chall && ./run.sh" -s /bin/bash ctf |