Re-enable cleanup functions in sudoers plugin and sudo driver

for error()/errorx().

plugins/sudoers/sudoers.c

@@ -1144,11 +1144,6 @@ cleanup(int gotsignal)
 	sudo_endpwent();
 	sudo_endgrent();
     }
-#ifdef notyet
-    /* XXX */
-    if (def_transcript)
-	term_restore(STDIN_FILENO, 0);
-#endif
 }
 
 static int

src/exec.c

@@ -149,6 +149,16 @@ pty_setup(uid_t uid)
     }
 }
 
+/*
+ * Cleanup hook for error()/errorx()
+ */
+void
+cleanup(int gotsignal)
+{
+    if (!tq_empty(&io_plugins))
+	term_restore(io_fds[SFD_USERTTY], 0);
+}
+
 /* Call I/O plugin tty input log method. */
 static int
 log_ttyin(char *buf, unsigned int n)

src/sudo.c

@@ -625,30 +625,6 @@ disable_coredumps(void)
 #endif /* RLIMIT_CORE && !SUDO_DEVEL */
 }
 
-/*
- * Cleanup hook for error()/errorx()
- */
-void
-cleanup(int gotsignal)
-{
-#if 0 /* XXX */
-    struct sudo_nss *nss;
-
-    if (!gotsignal) {
-	if (snl != NULL) {
-	    tq_foreach_fwd(snl, nss)
-		nss->close(nss);
-	}
-	sudo_endpwent();
-	sudo_endgrent();
-    }
-#ifdef _PATH_SUDO_TRANSCRIPT
-    if (def_transcript)
-	term_restore(STDIN_FILENO, 0);
-#endif
-#endif
-}
-
 /*
  * Setup the execution environment immediately prior to the call to execve()
  * Returns TRUE on success and FALSE on failure.