From: Jan Engelhardt <jengelh@medozas.de>
Date: Thu, 5 May 2011 10:53:14 +0000 (+0200)
Subject: libxtables: flag invalid uses of XTOPT_PUT
X-Git-Tag: v1.4.11~16^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=269cbfd30aac18c1fd251be83430dabc60abee0c;p=thirdparty%2Fiptables.git

libxtables: flag invalid uses of XTOPT_PUT

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---

diff --git a/xtoptions.c b/xtoptions.c
index f8031bbe..29d05d53 100644
--- a/xtoptions.c
+++ b/xtoptions.c
@@ -708,7 +708,8 @@ void xtables_option_metavalidate(const char *name,
 				name, entry->id);
 		if (!(entry->flags & XTOPT_PUT))
 			continue;
-		if (entry->type >= ARRAY_SIZE(xtopt_psize))
+		if (entry->type >= ARRAY_SIZE(xtopt_psize) ||
+		    xtopt_psize[entry->type] == 0)
 			xt_params->exit_err(OTHER_PROBLEM,
 				"%s: entry type of option \"--%s\" cannot be "
 				"combined with XTOPT_PUT\n",