b3a4af15ca
Ed25519/X25519/ChaCha20-Poly1305 crypto, peer handshake, mesh state, IPC server, relay server, and NAT stub. Builds clean on Go 1.22+. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// waste-daemon: the local peer process.
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// Run one of these on each friend's machine.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net"
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"os"
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"github.com/waste-go/internal/crypto"
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"github.com/waste-go/internal/ipc"
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"github.com/waste-go/internal/mesh"
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"github.com/waste-go/internal/nat"
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)
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func main() {
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dataDir := flag.String("data-dir", "~/.waste", "path to identity/config directory")
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alias := flag.String("alias", "anon", "display name shown to peers (advisory only)")
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peerPort := flag.Int("peer-port", 17338, "port to accept incoming peer connections")
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ipcPort := flag.Int("ipc-port", 17337, "port for local IPC (UI connects here)")
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relay := flag.String("relay", "", "optional relay server address (host:port)")
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flag.Parse()
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// Load or generate identity keypair
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id, err := crypto.LoadOrCreate(expandHome(*dataDir), *alias)
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if err != nil {
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log.Fatalf("identity: %v", err)
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}
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log.Printf("daemon: local peer id: %s alias: %s", id.PeerID().Short(), id.Alias)
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// Shared mesh state
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m := mesh.New(id)
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// Peer listener (inbound connections from other nodes)
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go func() {
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addr := fmt.Sprintf("0.0.0.0:%d", *peerPort)
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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log.Fatalf("peer listener: %v", err)
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}
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log.Printf("daemon: listening for peers on %s", addr)
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for {
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conn, err := ln.Accept()
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if err != nil {
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log.Printf("peer accept error: %v", err)
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continue
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}
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go mesh.HandleConn(conn, m, false)
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}
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}()
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// NAT traversal / relay client
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go func() {
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if err := nat.Run(m, *relay); err != nil {
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log.Printf("nat: %v", err)
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}
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}()
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// IPC server — blocks until error
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if err := ipc.Run(m, *ipcPort); err != nil {
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log.Fatalf("ipc: %v", err)
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}
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}
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func expandHome(path string) string {
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if len(path) >= 2 && path[:2] == "~/" {
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if home, err := os.UserHomeDir(); err == nil {
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return home + path[1:]
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}
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}
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return path
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}
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