diff options
| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2012-12-17 14:35:03 +0100 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2013-01-07 15:02:34 +0100 |
| commit | bdf764a0255ebef0593b5c39a5118278d1a17d50 (patch) | |
| tree | 2d50cd15795fe5b0bf81078c12efa85d1137b610 /openbsc/src/osmo-bsc_nat/bsc_nat_filter.c | |
| parent | adc2e8737235fd5f1655ba1a319d3aab76f16d91 (diff) | |
nat: Allow the filter to select the reject cause
In preparation for another kind of black-list allow the filter code
to decide how the connection should be rejected. Introduce a new struct
that will carry the reject causes for certain operations.
Diffstat (limited to 'openbsc/src/osmo-bsc_nat/bsc_nat_filter.c')
| -rw-r--r-- | openbsc/src/osmo-bsc_nat/bsc_nat_filter.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat_filter.c b/openbsc/src/osmo-bsc_nat/bsc_nat_filter.c index 42cfb9e74..15afb9a4a 100644 --- a/openbsc/src/osmo-bsc_nat/bsc_nat_filter.c +++ b/openbsc/src/osmo-bsc_nat/bsc_nat_filter.c @@ -2,8 +2,8 @@ * Access filtering */ /* - * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> - * (C) 2010-2011 by On-Waves + * (C) 2010-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010-2012 by On-Waves * All Rights Reserved * * This program is free software; you can redistribute it and/or modify @@ -223,8 +223,8 @@ static int _dt_check_id_resp(struct bsc_connection *bsc, /* Filter out CR data... */ int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg, - struct bsc_nat_parsed *parsed, int *con_type, - char **imsi) + struct bsc_nat_parsed *parsed, int *con_type, + char **imsi, struct bsc_nat_reject_cause *cause) { struct tlv_parsed tp; struct gsm48_hdr *hdr48; @@ -233,6 +233,8 @@ int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg, uint8_t msg_type, proto; *con_type = NAT_CON_TYPE_NONE; + cause->cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED; + cause->lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED; *imsi = NULL; if (parsed->gsm_type != BSS_MAP_MSG_COMPLETE_LAYER_3) { @@ -292,12 +294,16 @@ int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg, } int bsc_nat_filter_dt(struct bsc_connection *bsc, struct msgb *msg, - struct sccp_connections *con, struct bsc_nat_parsed *parsed) + struct sccp_connections *con, struct bsc_nat_parsed *parsed, + struct bsc_nat_reject_cause *cause) { uint32_t len; uint8_t msg_type, proto; struct gsm48_hdr *hdr48; + cause->cm_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED; + cause->lu_reject_cause = GSM48_REJECT_PLMN_NOT_ALLOWED; + if (con->imsi_checked) return 0; |