69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
//go:build linux
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package hooks
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import (
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"net"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func TestCopyPluginFileRejectsGrowthPastLimit(t *testing.T) {
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directory := t.TempDir()
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sourcePath := filepath.Join(directory, "source.json")
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targetPath := filepath.Join(directory, "target.json")
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if err := os.WriteFile(sourcePath, []byte(strings.Repeat("a", int(maxPluginConfigBytes)+1)), 0600); err != nil {
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t.Fatal(err)
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}
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if err := copyPluginFile(sourcePath, targetPath, os.Getuid(), os.Getgid(), 0600); err == nil {
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t.Fatal("oversized plugin configuration was copied")
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}
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if _, err := os.Lstat(targetPath); !os.IsNotExist(err) {
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t.Fatalf("oversized target was not removed: %v", err)
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}
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}
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func TestInheritedAbstractSocketRemainsReachableAcrossListenerCopy(t *testing.T) {
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socketName, err := newPluginSocketName(1)
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if err != nil {
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t.Fatal(err)
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}
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address := "@" + socketName
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listener, err := net.ListenUnix("unix", &net.UnixAddr{Name: address, Net: "unix"})
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if err != nil {
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t.Fatal(err)
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}
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file, err := listener.File()
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if closeErr := listener.Close(); closeErr != nil && err == nil {
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err = closeErr
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}
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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inherited, err := net.FileListener(file)
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if err != nil {
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t.Fatal(err)
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}
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defer inherited.Close()
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accepted := make(chan error, 1)
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go func() {
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conn, acceptErr := inherited.Accept()
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if acceptErr == nil {
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_ = conn.Close()
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}
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accepted <- acceptErr
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}()
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conn, err := net.Dial("unix", address)
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if err != nil {
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t.Fatal(err)
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}
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_ = conn.Close()
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if err := <-accepted; err != nil {
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t.Fatal(err)
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}
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}
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