From: Patrick McHardy <kaber@trash.net>
Date: Tue, 6 Jul 2010 04:11:48 +0000 (+0200)
Subject: datatype: reject incompletely parsed integers in integer_type_parse()
X-Git-Tag: v0.099~164
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5b684d7ab74d014f30e61928aeec60684571fa5e;p=thirdparty%2Fnftables.git

datatype: reject incompletely parsed integers in integer_type_parse()

Signed-off-by: Patrick McHardy <kaber@trash.net>
---

diff --git a/src/datatype.c b/src/datatype.c
index 80271043..70670e97 100644
--- a/src/datatype.c
+++ b/src/datatype.c
@@ -215,9 +215,11 @@ static struct error_record *integer_type_parse(const struct expr *sym,
 					       struct expr **res)
 {
 	mpz_t v;
+	int len;
 
 	mpz_init(v);
-	if (gmp_sscanf(sym->identifier, "%Zu", v) != 1) {
+	if (gmp_sscanf(sym->identifier, "%Zu%n", v, &len) != 1 ||
+	    (int)strlen(sym->identifier) != len) {
 		mpz_clear(v);
 		if (sym->dtype != &integer_type)
 			return NULL;