From 93d7cf13e01d96d02af276772340a28f923407c1 Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Wed, 1 Apr 2009 14:59:31 +0000
Subject: Error check for empty input.

---
 openssh-model.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'openssh-model.lua')

diff --git a/openssh-model.lua b/openssh-model.lua
index 3b8718b..26bc816 100644
--- a/openssh-model.lua
+++ b/openssh-model.lua
@@ -193,11 +193,11 @@ end
 local function parseauthline(line)
 	local retval = {}
 	local words = format.string_to_table(line, "%s")
-	if string.match(words[1], "^ssh%-%ws%w$") then
+	if words[1] and string.match(words[1], "^ssh%-%ws%w$") then
 		retval.perm = ""
 		retval.key = words[2]
 		retval.id = table.concat(words, " ", 3)
-	elseif string.match(words[2], "^ssh%-%ws%w$") then
+	elseif words[2] and string.match(words[2], "^ssh%-%ws%w$") then
 		retval.perm = words[1]
 		retval.key = words[3]
 		retval.id = table.concat(words, " ", 4)
-- 
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