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-rw-r--r--openbsc/src/nat/bsc_nat.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index 016e06eeb..aee009545 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -308,11 +308,19 @@ static int forward_sccp_to_bts(struct msgb *msg)
talloc_free(parsed);
if (!bsc)
return -1;
+ if (!bsc->authenticated) {
+ LOGP(DNAT, LOGL_ERRO, "Selected BSC not authenticated.\n");
+ return -1;
+ }
+
return write(bsc->bsc_fd.fd, msg->data, msg->len);
send_to_all:
/* currently send this to every BSC connected */
llist_for_each_entry(bsc, &nat->bsc_connections, list_entry) {
+ if (!bsc->authenticated)
+ continue;
+
rc = write(bsc->bsc_fd.fd, msg->data, msg->len);
/* try the next one */
@@ -436,6 +444,11 @@ static int forward_sccp_to_msc(struct bsc_fd *bfd, struct msgb *msg)
goto exit2;
}
+ if (!bsc->authenticated) {
+ LOGP(DNAT, LOGL_ERROR, "BSC is not authenticated.\n");
+ goto exit2;
+ }
+
/* send the non-filtered but maybe modified msg */
rc = write(msc_connection.fd, msg->data, msg->len);
talloc_free(parsed);