mirror of
https://github.com/holdmysocks/ps5-tailscale.git
synced 2026-10-06 09:00:19 +02:00
holdmysocks
4554502591
A payload that runs the Tailscale client (tsnet, userspace networking) on a jailbroken PS5: a C launcher built with ps5-payload-sdk that loads a Go program in-process, an installer that registers it with the console's payload autoloader and adds a home screen icon, and the patch that makes Go 1.27.1 speak the PS5's FreeBSD 9 era syscall interface.
79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"os"
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"sync"
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"time"
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)
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// debugLog keeps Tailscale's own verbose log on disk, in a file of bounded
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// size next to the main log.
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//
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// The main log only has the daemon's few messages, which is not enough to
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// tell what Tailscale was doing when something goes wrong, and the things
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// that go wrong on a console (a freeze, a crash) take the process down
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// before anyone can ask it. So the detail is always recorded and synced to
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// disk every couple of seconds.
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type debugLog struct {
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path string
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max int64
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mu sync.Mutex
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f *os.File
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size int64
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dirty bool
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}
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func openDebugLog(path string, max int64) *debugLog {
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l := &debugLog{path: path, max: max}
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l.open()
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go l.syncLoop()
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return l
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}
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func (l *debugLog) open() {
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f, err := os.OpenFile(l.path, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
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if err != nil {
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return
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}
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l.f = f
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if fi, err := f.Stat(); err == nil {
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l.size = fi.Size()
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}
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}
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func (l *debugLog) Printf(format string, args ...any) {
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line := time.Now().Format("2006-01-02 15:04:05.000 ") + fmt.Sprintf(format, args...) + "\n"
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l.mu.Lock()
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defer l.mu.Unlock()
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if l.f == nil {
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return
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}
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if l.size+int64(len(line)) > l.max {
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// Keep one previous file, so there is always between one and two
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// times max of history.
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l.f.Close()
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os.Rename(l.path, l.path+".old")
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l.f, l.size = nil, 0
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l.open()
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if l.f == nil {
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return
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}
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}
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n, _ := l.f.WriteString(line)
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l.size += int64(n)
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l.dirty = true
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}
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func (l *debugLog) syncLoop() {
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for range time.Tick(2 * time.Second) {
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l.mu.Lock()
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if l.dirty && l.f != nil {
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l.f.Sync()
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l.dirty = false
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}
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l.mu.Unlock()
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}
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}
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