From 5eab2f06d17f8a178c6fe61a7bf9fcba349e7680 Mon Sep 17 00:00:00 2001
From: Jameson Graef Rollins <jrollins@phys.columbia.edu>
Date: Sun, 27 Jul 2008 11:57:59 -0700
Subject: Tweak how empty authorized_user_ids and known_hosts files are
 handled.

---
 src/common | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/common')

diff --git a/src/common b/src/common
index b57b721..1e8f23c 100644
--- a/src/common
+++ b/src/common
@@ -563,6 +563,11 @@ process_known_hosts() {
 
     hosts=$(meat "$KNOWN_HOSTS" | cut -d ' ' -f 1 | grep -v '^|.*$' | tr , ' ' | tr '\n' ' ')
 
+    if [ -z "$hosts" ] ; then
+	log "no hosts to process."
+	return
+    fi
+
     # take all the hosts from the known_hosts file (first
     # field), grep out all the hashed hosts (lines starting
     # with '|')...
@@ -697,6 +702,11 @@ process_authorized_user_ids() {
 
     log "processing authorized_user_ids file..."
 
+    if ! meat "$authorizedUserIDs" ; then
+	log "no user IDs to process."
+	return
+    fi
+
     nline=0
 
     # extract user IDs from authorized_user_ids file
-- 
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