e4089287a3
Root cause: systemd PrivateDevices=yes hid /dev/ttyUSB* from the service, preventing .198 from connecting to its Heltec V3 after the security hardening. Changes: - Set PrivateDevices=no in systemd service (serial access needs physical devices; other hardening layers remain: NoNewPrivileges, ProtectSystem, RestrictNamespaces) - Add SupplementaryGroups=dialout for explicit serial permissions - Add fallback auto-detect when configured serial path fails to open - Add exponential backoff on reconnect (5s→60s cap) to reduce log spam - Add pre-open device existence check with actionable error messages - Add udev rule (99-mesh-radio.rules) for stable /dev/mesh-radio symlink - Add /dev/mesh-radio to serial candidate list (checked first) - Add Connect button per detected device in Mesh UI - Deploy udev rule to both servers and ISO build - Fix FEDI_HASH unbound variable in deploy script - Fix deploy binary step to handle hung service stop gracefully Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
53 lines
1.3 KiB
Desktop File
53 lines
1.3 KiB
Desktop File
[Unit]
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Description=Archipelago Backend
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After=network-online.target archipelago-setup-tor.service
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Wants=network-online.target
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[Service]
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Type=notify
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User=archipelago
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Environment="ARCHIPELAGO_BIND=0.0.0.0:5678"
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Environment="ARCHIPELAGO_DEV_MODE=true"
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ExecStartPre=/bin/bash -c 'mkdir -p /var/lib/archipelago && echo "ARCHIPELAGO_HOST_IP=$(hostname -I 2>/dev/null | awk "{print $$1}")" > /var/lib/archipelago/host-ip.env'
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ExecStart=/usr/local/bin/archipelago
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Restart=on-failure
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RestartSec=5
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WatchdogSec=300
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TimeoutStartSec=300
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# Filesystem protection
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ProtectSystem=strict
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ProtectHome=yes
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PrivateTmp=yes
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ReadWritePaths=/var/lib/archipelago
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# Privilege restriction
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NoNewPrivileges=yes
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# PrivateDevices=no: serial access to /dev/ttyUSB* needed for mesh radios.
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# Device access still gated by Unix permissions (dialout group) + other sandboxing.
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PrivateDevices=no
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SupplementaryGroups=dialout
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# Network restriction (allow only IPv4/IPv6 + Unix sockets)
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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# Restrict what the process can do
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RestrictNamespaces=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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# Only allow needed syscalls
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SystemCallArchitectures=native
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SystemCallFilter=@system-service
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SystemCallFilter=~@privileged @resources
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# Memory protection
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MemoryDenyWriteExecute=yes
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# Logging
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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