From b9e0e93a9072a360c4d7f905c3c0f8804f6d3953 Mon Sep 17 00:00:00 2001
From: Rafal Wojtczuk <rafal@invisiblethingslab.com>
Date: Fri, 11 Mar 2011 13:16:33 +0100
Subject: [PATCH] In qrexec_client, check write_all(local_stdin_fd,..) value

---
 qrexec/qrexec_client.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/qrexec/qrexec_client.c b/qrexec/qrexec_client.c
index 38271cf8..db4ba607 100644
--- a/qrexec/qrexec_client.c
+++ b/qrexec/qrexec_client.c
@@ -125,8 +125,10 @@ void handle_daemon_data(int s)
 	case MSG_SERVER_TO_CLIENT_STDOUT:
 		if (hdr.len == 0)
 			close(local_stdin_fd);
-		else
-			write_all(local_stdin_fd, buf, hdr.len);
+		else if (!write_all(local_stdin_fd, buf, hdr.len)) {
+			perror("write local stdout");
+			exit(1);
+		}
 		break;
 	case MSG_SERVER_TO_CLIENT_STDERR:
 		write_all(2, buf, hdr.len);