43 lines
1.5 KiB
Bash
Executable file
43 lines
1.5 KiB
Bash
Executable file
#!/bin/bash
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CONTAINER="docker"
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if ! command -v docker &>/dev/null; then
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CONTAINER="podman"
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fi
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if [[ "$#" -lt 1 ]]; then
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echo "Usage: $0 <container id>" >&2
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exit 1
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fi
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container_id="$1"; shift
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# We expect a devcontainer to run an SSH server on 2222/tcp
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# and to have this port exposed. We find the host binding
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# to SSH to that container.
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if ! ssh_port="$(${CONTAINER} inspect --format '{{ (index (index .NetworkSettings.Ports "2222/tcp") 0).HostPort }}' "${container_id}" 2>/dev/null)"; then
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echo "[!] Could not get SSH host port for container '${container_id}'" >&2
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exit 1
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fi
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ignore_hostkey=("-oUserKnownHostsFile=/dev/null" "-oStrictHostKeyChecking=false")
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if ! ssh "${ignore_hostkey[@]}" -oPasswordAuthentication=no -p "${ssh_port}" -T dev@localhost 'exit'; then
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docker exec -it "${container_id}" /bin/bash -c 'echo "dev:dev" | chpasswd'
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echo "[+] Changed password of container user to 'dev'"
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if command -v sshpass &>/dev/null; then
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sshpass -p"dev" ssh-copy-id -p "${ssh_port}" dev@localhost
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elif command -v expect &>/dev/null; then
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expect -c "spawn $(which ssh-copy-id) -p ${ssh_port} dev@localhost; interact -o -nobuffer -re .*assword.* return; send \"dev\r\n\"; send -- \"\r\"; expect eof;"
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else
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echo "[?] Could not find application to automatically copy SSH key."
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echo " Please enter the password 'dev' manually below."
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ssh-copy-id -p "${ssh_port}" dev@localhost
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fi
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fi
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ssh "${ignore_hostkey[@]}" \
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-p "${ssh_port}" \
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dev@localhost "$@"
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