check_ssh: Get rid of sshd: Read from socket failed: Connection reset by peer

This fix was grabbed from FreeBSD downstream and provided by Dmitry Sivachenko.
Fixes Debian Bug #734811

1 files changed, 2 insertions, 0 deletions

diff --git a/plugins/check_ssh.c b/plugins/check_ssh.c
index 1c032a4f..2d635281 100644
--- a/plugins/check_ssh.c
+++ b/plugins/check_ssh.c
@@ -250,6 +250,7 @@ ssh_connect (char *haddr, int hport, char *remote_version)
                         printf
                                 (_("SSH WARNING - %s (protocol %s) version mismatch, expected '%s'\n"),
                                  ssh_server, ssh_proto, remote_version);
+                        recv (sd, output, BUFF_SZ, 0);
                         close(sd);
                         exit (STATE_WARNING);
                 }
@@ -260,6 +261,7 @@ ssh_connect (char *haddr, int hport, char *remote_version)
                         (_("SSH OK - %s (protocol %s) | %s\n"),
                          ssh_server, ssh_proto, fperfdata("time", elapsed_time, "s",
                          FALSE, 0, FALSE, 0, TRUE, 0, TRUE, (int)socket_timeout));
+                recv (sd, output, BUFF_SZ, 0);
                 close(sd);
                 exit (STATE_OK);
         }