From 09cbfe325b93f19aa05a946ab90d76296d2bd2f4 Mon Sep 17 00:00:00 2001
From: Jimmy Zelinskie <jimmy.zelinskie+git@gmail.com>
Date: Thu, 27 Apr 2017 18:57:19 -0400
Subject: [PATCH] ext/vulnsrc/oracle: ensure flag is largest elsa

If the Oracle Linux directory is ever in the wrong order, this should
ensure that the updaterFlag is always set the latest ELSA value.
---
 ext/vulnsrc/oracle/oracle.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ext/vulnsrc/oracle/oracle.go b/ext/vulnsrc/oracle/oracle.go
index 30363416..bc112865 100644
--- a/ext/vulnsrc/oracle/oracle.go
+++ b/ext/vulnsrc/oracle/oracle.go
@@ -174,7 +174,7 @@ func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateRespo
 	// Set the flag if we found anything.
 	if len(elsaList) > 0 {
 		resp.FlagName = updaterFlag
-		resp.FlagValue = strconv.Itoa(elsaList[len(elsaList)-1])
+		resp.FlagValue = strconv.Itoa(largest(elsaList))
 	} else {
 		log.Debug("no Oracle Linux update.")
 	}
@@ -182,6 +182,15 @@ func (u *updater) Update(datastore database.Datastore) (resp vulnsrc.UpdateRespo
 	return resp, nil
 }
 
+func largest(list []int) (largest int) {
+	for _, element := range list {
+		if element > largest {
+			largest = element
+		}
+	}
+	return
+}
+
 func (u *updater) Clean() {}
 
 func parseELSA(ovalReader io.Reader) (vulnerabilities []database.Vulnerability, err error) {