arduino ALL=(ALL) NOPASSWD: /usr/sbin/dpkg-reconfigure openssh-server, /usr/bin/systemctl enable ssh, /usr/bin/systemctl start ssh, /usr/bin/systemctl disable ssh, /usr/bin/systemctl stop ssh, /usr/bin/systemctl disable avahi-daemon, /usr/bin/systemctl stop avahi-daemon, /usr/bin/systemctl enable avahi-daemon, /usr/bin/systemctl start avahi-daemon

arduino ALL=(ALL) NOPASSWD: /usr/sbin/dpkg-reconfigure openssh-server, /usr/bin/systemctl enable ssh, /usr/bin/systemctl start ssh, /usr/bin/systemctl disable ssh, /usr/bin/systemctl stop ssh, /usr/bin/systemctl disable avahi-daemon, /usr/bin/systemctl stop avahi-daemon, /usr/bin/systemctl enable avahi-daemon, /usr/bin/systemctl start avahi-daemon, /usr/bin/mv /tmp/avahi_arduino_conf.service /etc/avahi/services/arduino.service, /usr/bin/chmod 0600 /etc/avahi/services/arduino.service

{"sudo","systemctl","enable","avahi-daemon"},

{"sudo","systemctl","start","avahi-daemon"},

}

ifsn,err:=getSerial(&local.LocalConnection{});err==nil {

iferr:=setSerialNumber(sn,"/etc/avahi/services/arduino.service");err!=nil {

iferr:=setSerialNumber(ctx,conn,sn,"/etc/avahi/services/arduino.service");err!=nil {

slog.Warn("failed to set serial number for network mode",slog.Any("error",err))

}

}

}

funcsetSerialNumber(serialNumber,filePathstring)error {

funcsetSerialNumber(ctx context.Context,conn remote.RemoteConn,serialNumber,filePathstring)error {

serialCheckRegex:=regexp.MustCompile(`<\s*txt-record\s*>\s*serial_number=\S+\s*<\s*/txt-record\s*>`)

serviceEndTag:=regexp.MustCompile(`</service>`)

ifserialNumber=="" {

returnerrors.New("missing or empty serial number")

}

data,err:=os.ReadFile(filePath)

iferr!=nil {

ifos.IsNotExist(err) {

slog.Warn("service file does not exist, skipping serial number setup",slog.String("filePath",filePath))

}

}

ifserialCheckRegex.Match(data) {

}

loc:=serviceEndTag.FindIndex(data)

ifloc==nil {

returnerrors.New(" </service> tag not found in the service file")

}

varbuf bytes.Buffer

buf.Write(data[:loc[0]])

buf.WriteString(fmt.Sprintf(newSerialTemplate,serialNumber))

buf.Write(data[loc[0]:])

_,err=buf.Write(data[:loc[0]])

iferr!=nil {

}

_,err=buf.WriteString(fmt.Sprintf(newSerialTemplate,serialNumber))

iferr!=nil {

}

_,err=buf.Write(data[loc[0]:])

iferr!=nil {

}

returnos.WriteFile(filePath,buf.Bytes(),0600)

iferr:=conn.WriteFile(bytes.NewReader(buf.Bytes()),tmpPath);err!=nil {

returnfmt.Errorf("failed to write temporary file on remote: %w",err)

}

ifout,err:=conn.GetCmd("sudo","mv",tmpPath,filePath).Output(ctx);err!=nil {

returnfmt.Errorf("failed to move file into place with sudo mv: %w: %s",err,string(out))

}

ifout,err:=conn.GetCmd("sudo","chmod","0644",filePath).Output(ctx);err!=nil {

slog.Warn("failed to set permissions on remote service file","file",filePath,"error",err,"output",string(out))

}

}

funcNetworkModeStatus(ctx context.Context,conn remote.RemoteConn) (bool,error) {