58 lines
1.4 KiB
Bash
58 lines
1.4 KiB
Bash
#!/bin/bash
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echo "== Flexible User Creation Script =="
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echo
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read -p "Username to create (required): " USERNAME </dev/tty
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if [[ -z "$USERNAME" ]]; then
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echo "Error: Username is required."
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exit 1
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fi
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read -p "Paste the SSH public key: " PUBKEY </dev/tty
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if [[ -z "$PUBKEY" ]]; then
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echo "Error: Public key is required."
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exit 1
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fi
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read -p "Comma-separated groups to add (e.g. sudo,docker): " GROUPS </dev/tty
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# DEBUG LINE
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echo "[DEBUG] Raw GROUPS value: '$GROUPS'"
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# Create the user if not exists
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if id "$USERNAME" &>/dev/null; then
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echo "[*] User '$USERNAME' already exists. Skipping creation."
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else
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echo "[+] Creating user: $USERNAME"
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useradd -m -s /bin/bash "$USERNAME"
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fi
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# Add user to groups if any were entered
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if [[ -n "$GROUPS" ]]; then
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echo "[+] Adding $USERNAME to groups: $GROUPS"
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usermod -aG "$GROUPS" "$USERNAME"
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fi
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# Setup SSH
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SSH_DIR="/home/$USERNAME/.ssh"
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AUTHORIZED_KEYS="$SSH_DIR/authorized_keys"
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mkdir -p "$SSH_DIR"
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touch "$AUTHORIZED_KEYS"
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chmod 700 "$SSH_DIR"
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chmod 600 "$AUTHORIZED_KEYS"
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chown -R "$USERNAME:$USERNAME" "$SSH_DIR"
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# Add SSH key if not present
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if grep -Fxq "$PUBKEY" "$AUTHORIZED_KEYS"; then
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echo "[*] Public key already present. Skipping."
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else
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echo "$PUBKEY" >> "$AUTHORIZED_KEYS"
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echo "[+] Public key added."
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fi
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echo
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echo "[✓] User '$USERNAME' setup complete."
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[[ -n "$GROUPS" ]] && echo "[✓] Groups added: $GROUPS"
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echo "[✓] SSH access configured."
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