aboutsummaryrefslogtreecommitdiffstats
path: root/openbsc/src
diff options
context:
space:
mode:
Diffstat (limited to 'openbsc/src')
-rw-r--r--openbsc/src/nat/bsc_nat.c14
-rw-r--r--openbsc/src/nat/bsc_nat_utils.c9
2 files changed, 20 insertions, 3 deletions
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index 31009bb30..c7d97aa45 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -731,9 +731,17 @@ static int forward_sccp_to_msc(struct bsc_connection *bsc, struct msgb *msg)
case SCCP_MSG_TYPE_IT:
con = patch_sccp_src_ref_to_msc(msg, parsed, bsc);
if (con) {
- con_bsc = con->bsc;
- con_msc = con->msc_con;
- con_filter = con->con_local;
+ filter = bsc_nat_filter_dt(bsc, msg, con, parsed);
+ if (filter == 0) {
+ con_bsc = con->bsc;
+ con_msc = con->msc_con;
+ con_filter = con->con_local;
+ } else {
+ LOGP(DNAT, LOGL_ERROR, "Should drop the connection.\n");
+ con_bsc = con->bsc;
+ con_msc = con->msc_con;
+ con_filter = con->con_local;
+ }
}
break;
case SCCP_MSG_TYPE_RLC:
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
index e81a1e85b..7387b517a 100644
--- a/openbsc/src/nat/bsc_nat_utils.c
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -431,6 +431,15 @@ int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg, struct
}
}
+int bsc_nat_filter_dt(struct bsc_connection *bsc, struct msgb *msg,
+ struct sccp_connections *con, struct bsc_nat_parsed *parsed)
+{
+ if (con->imsi_checked)
+ return 0;
+
+ return 0;
+}
+
void bsc_parse_reg(void *ctx, regex_t *reg, char **imsi, int argc, const char **argv)
{
if (*imsi) {