hyp/hypd/cmd/server.go

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/*
Copyright © 2024 Steven Polley <himself@stevenpolley.net>
*/
package cmd
import (
"fmt"
"os/user"
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"deadbeef.codes/steven/hyp/hypd/configuration"
"deadbeef.codes/steven/hyp/hypd/server"
"github.com/spf13/cobra"
)
// serverCmd represents the server command
var serverCmd = &cobra.Command{
Use: "server <configFilePath>",
Args: cobra.ExactArgs(1),
Short: "Runs hyp in server mode",
Long: `Runs the hyp server and begins watching for authentic knock sequences.
Before running this command, you must first have a configuration file. You can
generate a configuration file with: hypd generate defaultconfig > hypdconfig.json
You should then edit the config file to meet your needs.
In addition to a config file you will need to generate pre-shared keys:
mkdir -p ./secrets
hypd generate secret > secrets/mykey.secret
Example Usage:
# Use config file in local directory
hypd server hypdconfig.json
# Use config file in /etc/hyp/
hypd server /etc/hyp/hypdconfig.json
`,
Run: func(cmd *cobra.Command, args []string) {
currentUser, err := user.Current()
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if err != nil {
panic(fmt.Errorf("could not determine current user: %w", err))
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}
if currentUser.Username != "root" {
fmt.Println("WARNING: It's recommended you run this as root, but will proceed anyways...")
}
hypdConfiguration, err := configuration.LoadConfiguration(args[0])
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if err != nil {
panic(fmt.Errorf("failed to load configuration file '%s': %w", args[0], err))
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}
secrets, err := configuration.LoadSecrets(hypdConfiguration.PreSharedKeyDirectory)
if err != nil {
panic(fmt.Errorf("failed to load secrets from directory '%s': %w", hypdConfiguration.PreSharedKeyDirectory, err))
}
err = server.PacketServer(hypdConfiguration, secrets)
if err != nil {
panic(fmt.Errorf("failed to start packet server: %w", err))
}
},
}
func init() {
rootCmd.AddCommand(serverCmd)
}