From c4368dc065efcbe059db764d805e70d04c477abd Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 19 Mar 2013 13:25:12 +0000
Subject: [PATCH] Support per-node ssh host keys if detected - Thanks to Frank
 Schwichtenberg

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.8@15578 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/lib/xcat/plugins/credentials.pm | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/xCAT-server/lib/xcat/plugins/credentials.pm b/xCAT-server/lib/xcat/plugins/credentials.pm
index 78d117e0e..9d3d48615 100644
--- a/xCAT-server/lib/xcat/plugins/credentials.pm
+++ b/xCAT-server/lib/xcat/plugins/credentials.pm
@@ -137,19 +137,23 @@ sub process_request
           $tfilename = "$root/.xcat/client-cred.pem";
 
        } elsif (/ssh_dsa_hostkey/) {
-          unless (-r "/etc/xcat/hostkeys/ssh_host_dsa_key") {
+	  if (-r "/etc/xcat/hostkeys/$client/ssh_host_dsa_key") {
+	  	$tfilename="/etc/xcat/hostkeys/$client/ssh_host_rsa_key";
+	  } elsif (-r "/etc/xcat/hostkeys/ssh_host_dsa_key") {
+	  	$tfilename="/etc/xcat/hostkeys/ssh_host_dsa_key";
+	  } else {
              push @{$rsp->{'error'}},"Unable to read private DSA key from /etc/xcat/hostkeys";
              next;
           }
-          $tfilename="/etc/xcat/hostkeys/ssh_host_dsa_key";
-
        } elsif (/ssh_rsa_hostkey/) {
-          unless (-r "/etc/xcat/hostkeys/ssh_host_rsa_key") {
+          if (-r "/etc/xcat/hostkeys/$client/ssh_host_rsa_key") {
+	  	 $tfilename="/etc/xcat/hostkeys/$client/ssh_host_rsa_key";
+	  } elsif (-r "/etc/xcat/hostkeys/ssh_host_rsa_key") {   
+	  	 $tfilename="/etc/xcat/hostkeys/ssh_host_rsa_key";
+	  } else {
              push @{$rsp->{'error'}},"Unable to read private RSA key from /etc/xcat/hostkeys";
              next;
           }
-          $tfilename="/etc/xcat/hostkeys/ssh_host_rsa_key";
-
        } elsif (/xcat_cfgloc/) {
           unless (-r "/etc/xcat/cfgloc") {
             push @{$rsp->{'error'}},"Unable to read xCAT database location";