nat: Allow to send MGCP messages from the BSC to the network
diff --git a/openbsc/src/nat/bsc_filter.c b/openbsc/src/nat/bsc_filter.c
index 1561676..891d455 100644
--- a/openbsc/src/nat/bsc_filter.c
+++ b/openbsc/src/nat/bsc_filter.c
@@ -67,6 +67,9 @@
static struct bsc_pkt_filter white_list[] = {
/* allow IPAC_PROTO_SCCP messages to both sides */
{ IPAC_PROTO_SCCP, ALLOW_ANY, ALLOW_ANY, ALLOW_ANY, FILTER_TO_BOTH },
+
+ /* allow MGCP messages to both sides */
+ { NAT_IPAC_PROTO_MGCP, ALLOW_ANY, ALLOW_ANY, ALLOW_ANY, FILTER_TO_BOTH },
};
struct bsc_nat_parsed* bsc_nat_parse(struct msgb *msg)
diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.c b/openbsc/tests/bsc-nat/bsc_nat_test.c
index 217c4f4..c3b86c0 100644
--- a/openbsc/tests/bsc-nat/bsc_nat_test.c
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.c
@@ -89,6 +89,12 @@
0x05, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03
};
+/* MGCP wrap... */
+static const u_int8_t mgcp_msg[] = {
+ 0x00, 0x03, 0xfc,
+ 0x20, 0x20, 0x20,
+};
+
struct filter_result {
const u_int8_t *data;
const u_int16_t length;
@@ -145,6 +151,12 @@
.dir = DIR_BSC,
.result = 0,
},
+ {
+ .data = mgcp_msg,
+ .length = ARRAY_SIZE(mgcp_msg),
+ .dir = DIR_MSC,
+ .result = 0,
+ },
};
static void test_filter(void)