Krystof Pesek
68 lines
2.5 KiB
Bash
Executable File
68 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ~/bin/synergy-client-connect - Dynamic Synergy Client Launcher
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# Automatically probes and connects to t520 whether on Ethernet, WiFi, or VPN.
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set -euo pipefail
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CLIENT_NAME="${1:-$(hostname -s 2>/dev/null || uname -n)}"
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CANDIDATE_SERVERS=(
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"192.168.1.100:24800" # t520 Ethernet
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"192.168.1.102:24800" # t520 WiFi
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"10.0.0.18:24800" # t520 Legacy LAN
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"10.39.9.100:24800" # t520 WireGuard VPN
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)
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find_active_server() {
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for target in "${CANDIDATE_SERVERS[@]}"; do
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local host="${target%%:*}"
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local port="${target##*:}"
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if (echo > /dev/tcp/"$host"/"$port") >/dev/null 2>&1; then
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echo "$target"
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return 0
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fi
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done
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return 1
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}
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# Ensure DISPLAY is set for graphical/XWayland environments (e.g. Crostini or systemd user services)
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export DISPLAY="${DISPLAY:-:0}"
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# Locate synergyc / barrierc / deskflow-client binary across standard paths
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SYNERGYC="$(command -v synergyc 2>/dev/null || command -v barrierc 2>/dev/null || command -v deskflow-client 2>/dev/null || true)"
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if [ -z "$SYNERGYC" ]; then
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for candidate in \
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"/usr/local/bin/synergyc" "/usr/bin/synergyc" "$HOME/.local/bin/synergyc" \
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"/usr/local/bin/barrierc" "/usr/bin/barrierc" \
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"/usr/local/bin/deskflow-client" "/usr/bin/deskflow-client"; do
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if [ -x "$candidate" ]; then
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SYNERGYC="$candidate"
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break
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fi
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done
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fi
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if [ -z "$SYNERGYC" ]; then
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echo "[synergy-connect] Error: Neither synergyc, barrierc, nor deskflow-client found in PATH or standard locations." >&2
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echo "[synergy-connect] Please install barrier or deskflow: 'sudo apt install barrier' or 'sudo apt install deskflow'" >&2
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exit 1
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fi
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# Determine crypto flag based on synergyc build (note: synergyc --help exits with code 3)
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CRYPTO_FLAG=""
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if ("$SYNERGYC" --help 2>&1 || true) | grep -q -- '--disable-crypto'; then
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CRYPTO_FLAG="--disable-crypto"
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fi
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echo "[synergy-connect] Starting dynamic Synergy client for '$CLIENT_NAME' using $SYNERGYC..."
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while true; do
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if ACTIVE_SERVER=$(find_active_server); then
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echo "[synergy-connect] Found active server at $ACTIVE_SERVER. Connecting..."
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"$SYNERGYC" -f $CRYPTO_FLAG --name "$CLIENT_NAME" "$ACTIVE_SERVER" || true
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echo "[synergy-connect] Synergy client exited or disconnected. Probing again in 2s..."
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else
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echo "[synergy-connect] No reachable t520 server on Ethernet/WiFi/VPN. Retrying in 3s..."
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fi
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sleep 2
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done
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