ldd: pass absolute path to bwrap

Signed-off-by: Ophestra <cat@gensokyo.uk>

ldd/exec.go

@@ -3,6 +3,7 @@ package ldd
 import (
 	"context"
 	"os"
+	"os/exec"
 	"strings"
 	"time"
 
@@ -15,20 +16,20 @@ const lddTimeout = 2 * time.Second
 func Exec(ctx context.Context, p string) ([]*Entry, error) {
 	var h helper.Helper
 
-	if b, err := helper.NewBwrap(
+	if toolPath, err := exec.LookPath("ldd"); err != nil {
+		return nil, err
+	} else if h, err = helper.NewBwrap(
 		(&bwrap.Config{
 			Hostname:      "fortify-ldd",
 			Chdir:         "/",
 			Syscall:       &bwrap.SyscallPolicy{DenyDevel: true, Multiarch: true},
 			NewSession:    true,
 			DieWithParent: true,
-		}).Bind("/", "/").DevTmpfs("/dev"), "ldd",
+		}).Bind("/", "/").DevTmpfs("/dev"), toolPath,
 		nil, func(_, _ int) []string { return []string{p} },
 		nil, nil,
 	); err != nil {
 		return nil, err
-	} else {
-		h = b
 	}
 
 	stdout := new(strings.Builder)