From 38cc0e6c4d25c8dec0c9163a2f42b47f6701d999 Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Sat, 15 May 2010 05:35:48 +0800 Subject: [PATCH] [sccp] Make it optional to send data on a SCCP Connection Refuse This can be used to send a Location Updating Reject down to the BSC when it is clear that a subscriber is not allowed. --- include/sccp/sccp.h | 2 +- src/sccp/sccp.c | 11 +++++++++-- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/include/sccp/sccp.h b/include/sccp/sccp.h index 5dfcc31b..2aa03224 100644 --- a/include/sccp/sccp.h +++ b/include/sccp/sccp.h @@ -148,7 +148,7 @@ extern const struct sockaddr_sccp sccp_ssn_bssap; u_int32_t sccp_src_ref_to_int(struct sccp_source_reference *ref); struct sccp_source_reference sccp_src_ref_from_int(u_int32_t); -struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause); +struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause, uint8_t *data, int length); /** * Below this are helper functions and structs for parsing SCCP messages diff --git a/src/sccp/sccp.c b/src/sccp/sccp.c index 35589dc8..f7c31e8a 100644 --- a/src/sccp/sccp.c +++ b/src/sccp/sccp.c @@ -638,7 +638,7 @@ static void _sccp_set_connection_state(struct sccp_connection *connection, int n connection->state_cb(connection, old_state); } -struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause) +struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause, uint8_t *inp, int length) { struct msgb *msgb; struct sccp_connection_refused *ref; @@ -660,6 +660,13 @@ struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause ref->cause = cause; ref->optional_start = 1; + if (inp) { + data = msgb_put(msgb, 1 + 1 + length); + data[0] = SCCP_PNC_DATA; + data[1] = length; + memcpy(&data[2], inp, length); + } + data = msgb_put(msgb, 1); data[0] = SCCP_PNC_END_OF_OPTIONAL; return msgb; @@ -667,7 +674,7 @@ struct msgb *sccp_create_refuse(struct sccp_source_reference *src_ref, int cause static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause) { - struct msgb *msgb = sccp_create_refuse(src_ref, cause); + struct msgb *msgb = sccp_create_refuse(src_ref, cause, NULL, 0); if (!msgb) return -1;