openwrtv3/package/network/utils/nftables/patches/101-nftables-statement-fix-print-of-ip-dnat-address.patch

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From patchwork Fri Feb 3 14:25:45 2017
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Subject: [nftables] statement: fix print of ip dnat address
From: Florian Westphal <fw@strlen.de>
X-Patchwork-Id: 723692
X-Patchwork-Delegate: pablo@netfilter.org
Message-Id: <20170203142545.13724-1-fw@strlen.de>
To: <netfilter-devel@vger.kernel.org>
Cc: Florian Westphal <fw@strlen.de>
Date: Fri, 3 Feb 2017 15:25:45 +0100
the change causes non-ipv6 addresses to not be printed at all in case
a nfproto was given.
Also add a test case to catch this.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1117
Fixes: 5ab0e10fc6e2c22363a ("src: support for RFC2732 IPv6 address format with brackets")
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
src/statement.c | 2 ++
tests/py/ip/dnat.t | 1 +
tests/py/ip/dnat.t.payload.ip | 12 ++++++++++++
3 files changed, 15 insertions(+)
diff --git a/src/statement.c b/src/statement.c
index 9cdabbb979e8..3beb86ab4263 100644
--- a/src/statement.c
+++ b/src/statement.c
@@ -508,6 +508,8 @@ static void nat_stmt_print(const struct stmt *stmt)
printf("]-[");
expr_print(stmt->nat.addr->right);
printf("]");
+ } else {
+ expr_print(stmt->nat.addr);
}
} else {
expr_print(stmt->nat.addr);
diff --git a/tests/py/ip/dnat.t b/tests/py/ip/dnat.t
index da00106edbb4..089017c84704 100644
--- a/tests/py/ip/dnat.t
+++ b/tests/py/ip/dnat.t
@@ -7,6 +7,7 @@ iifname "eth0" tcp dport != 80-90 dnat to 192.168.3.2;ok
iifname "eth0" tcp dport {80, 90, 23} dnat to 192.168.3.2;ok
iifname "eth0" tcp dport != {80, 90, 23} dnat to 192.168.3.2;ok
iifname "eth0" tcp dport != 23-34 dnat to 192.168.3.2;ok
+iifname "eth0" tcp dport 81 dnat to 192.168.3.2:8080;ok
dnat to ct mark map { 0x00000014 : 1.2.3.4};ok
dnat to ct mark . ip daddr map { 0x00000014 . 1.1.1.1 : 1.2.3.4};ok
diff --git a/tests/py/ip/dnat.t.payload.ip b/tests/py/ip/dnat.t.payload.ip
index 66926990d880..7a7f5a82dd5a 100644
--- a/tests/py/ip/dnat.t.payload.ip
+++ b/tests/py/ip/dnat.t.payload.ip
@@ -60,6 +60,18 @@ ip test-ip4 prerouting
[ immediate reg 1 0x0203a8c0 ]
[ nat dnat ip addr_min reg 1 addr_max reg 0 ]
+# iifname "eth0" tcp dport 81 dnat to 192.168.3.2:8080
+ip test-ip4 prerouting
+ [ meta load iifname => reg 1 ]
+ [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ]
+ [ payload load 1b @ network header + 9 => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ payload load 2b @ transport header + 2 => reg 1 ]
+ [ cmp eq reg 1 0x00005100 ]
+ [ immediate reg 1 0x0203a8c0 ]
+ [ immediate reg 2 0x0000901f ]
+ [ nat dnat ip addr_min reg 1 addr_max reg 0 proto_min reg 2 proto_max reg 0 ]
+
# dnat to ct mark map { 0x00000014 : 1.2.3.4}
__map%d test-ip4 b
__map%d test-ip4 0