Fix pledge() usage

dnscrypt-proxy/pledge_openbsd.go

@@ -2,9 +2,14 @@
 
 package main
 
-import "golang.org/x/sys/unix"
+import (
+	"golang.org/x/sys/unix"
+)
 
 func Pledge() {
-	unix.Pledge("stdio rpath wpath cpath tmppath inet fattr flock dns getpw sendfd recvfd proc exec id",
+	unix.Pledge("stdio rpath wpath cpath tmppath inet fattr flock dns getpw sendfd recvfd proc exec id", nil)
-		"stdio rpath wpath cpath tmppath inet fattr flock dns recvfd")
+}
+
+func PledgeChild() {
+	unix.Pledge("stdio rpath wpath cpath tmppath inet fattr flock dns recvfd", nil)
 }

dnscrypt-proxy/pledge_others.go

@@ -5,3 +5,7 @@ package main
 func Pledge() {
 
 }
+
+func PledgeChild() {
+
+}

dnscrypt-proxy/privilege_others.go

@@ -39,6 +39,7 @@ func (proxy *Proxy) dropPrivilege(userStr string, fds []*os.File) {
 	}
 
 	SystemDNotify()
+	PledgeChild()
 
 	args = args[1:]
 	args = append(args, "-child")