From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 24 Mar 2009 12:08:24 +0000 (+0100)
Subject: iptables: refer to dmesg if we hit EINVAL
X-Git-Tag: v1.4.3.1^0
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6e70f46f2a146bb7c657f71724c999147a5925dc;p=thirdparty%2Fiptables.git

iptables: refer to dmesg if we hit EINVAL

With this patch, iptables refers to dmesg for further
troubleshooting if we hit EINVAL.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/ip6tables-standalone.c b/ip6tables-standalone.c
index c0ca6459..649ac3d8 100644
--- a/ip6tables-standalone.c
+++ b/ip6tables-standalone.c
@@ -68,10 +68,16 @@ main(int argc, char *argv[])
 		ip6tc_free(handle);
 	}
 
-	if (!ret)
-		fprintf(stderr, "ip6tables: %s. "
-				"Run `dmesg' for more information.\n",
-			ip6tc_strerror(errno));
+	if (!ret) {
+		if (errno == EINVAL) {
+			fprintf(stderr, "ip6tables: %s. "
+					"Run `dmesg' for more information.\n",
+				ip6tc_strerror(errno));
+		} else {
+			fprintf(stderr, "ip6tables: %s.\n",
+				ip6tc_strerror(errno));
+		}
+	}
 
 	exit(!ret);
 }
diff --git a/iptables-standalone.c b/iptables-standalone.c
index 208f71d7..91853884 100644
--- a/iptables-standalone.c
+++ b/iptables-standalone.c
@@ -69,9 +69,14 @@ main(int argc, char *argv[])
 	}
 
 	if (!ret) {
-		fprintf(stderr, "iptables: %s. "
-				"Run `dmesg' for more information.\n",
-			iptc_strerror(errno));
+		if (errno == EINVAL) {
+			fprintf(stderr, "iptables: %s. "
+					"Run `dmesg' for more information.\n",
+				iptc_strerror(errno));
+		} else {
+			fprintf(stderr, "iptables: %s.\n",
+				iptc_strerror(errno));
+		}
 		if (errno == EAGAIN) {
 			exit(RESOURCE_PROBLEM);
 		}