Make sure client exit messages don't get lost

cli-main.c

@@ -107,9 +107,10 @@ static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
 
 	/* Do the cleanup first, since then the terminal will be reset */
 	session_cleanup();
+	/* Avoid printing onwards from terminal cruft */
+	fprintf(stderr, "\n");
 
 	_dropbear_log(LOG_INFO, fmtbuf, param);
-
 	exit(exitcode);
 }
 
@@ -121,7 +122,7 @@ static void cli_dropbear_log(int UNUSED(priority),
 	vsnprintf(printbuf, sizeof(printbuf), format, param);
 
 	fprintf(stderr, "%s: %s\n", cli_opts.progname, printbuf);
-
+	fflush(stderr);
 }
 
 static void exec_proxy_cmd(void *user_data_cmd) {

common-channel.c

@@ -574,14 +574,16 @@ static void remove_channel(struct Channel * channel) {
 	}
 
 
-	/* close the FDs in case they haven't been done
-	 * yet (they might have been shutdown etc) */
-	TRACE(("CLOSE writefd %d", channel->writefd))
-	close(channel->writefd);
-	TRACE(("CLOSE readfd %d", channel->readfd))
-	close(channel->readfd);
-	TRACE(("CLOSE errfd %d", channel->errfd))
-	close(channel->errfd);
+	if (IS_DROPBEAR_SERVER || (channel->writefd != STDOUT_FILENO)) {
+		/* close the FDs in case they haven't been done
+		 * yet (they might have been shutdown etc) */
+		TRACE(("CLOSE writefd %d", channel->writefd))
+		close(channel->writefd);
+		TRACE(("CLOSE readfd %d", channel->readfd))
+		close(channel->readfd);
+		TRACE(("CLOSE errfd %d", channel->errfd))
+		close(channel->errfd);
+	}
 
 	if (!channel->close_handler_done
 		&& channel->type->closehandler) {