Use same port number for source and destination number in new gtp implementation.

This commit is contained in:
frtabu
2021-10-20 17:09:46 +02:00
parent 9707cb9910
commit c3c02bbd91
15 changed files with 267 additions and 111 deletions
+31 -23
View File
@@ -136,17 +136,25 @@ static int _emm_as_encrypt(
static int _emm_as_send(const nas_user_t *user, const emm_as_t *msg);
static int _emm_as_security_res(const emm_data_t *emm_data, const emm_as_security_t *,
ul_info_transfer_req_t *);
static int _emm_as_establish_req(const emm_data_t *emm_data, const emm_as_establish_t *,
nas_establish_req_t *);
static int _emm_as_cell_info_req(const emm_as_cell_info_t *, cell_info_req_t *);
static int _emm_as_data_req(const emm_data_t *emm_data, const emm_as_data_t *msg, ul_info_transfer_req_t *);
static int _emm_as_status_ind(const emm_data_t *emm_data, const emm_as_status_t *, ul_info_transfer_req_t *);
static int _emm_as_release_req(const emm_as_release_t *, nas_release_req_t *);
/* prototyping of the following function modified: the last parameter turned to a void pointer
* instead of a ponter to the union field of the as_msg packed structure. This is to avoid new warnings introduced
* from gcc V9 which warns when accessing fields in a packed structure which may result in an alignment problem
* at run time. Modifications allow gcc to know at compile time that it cannot assume any alignment for those pointers.
* On X86 this is not fatal, as at run time the problem can be fixed (but it's better for perf to avoid). On other
* processor as Arm i think it can end in seg fault
*/
static int _emm_as_security_res(const emm_data_t *emm_data, const emm_as_security_t *,
void *ul_info_transfer_req_unaligned);
static int _emm_as_establish_req(const emm_data_t *emm_data, const emm_as_establish_t *,
void *nas_establish_req_unaligned);
static int _emm_as_data_req(const emm_data_t *emm_data, const emm_as_data_t *msg, void *ul_info_transfer_req_unaligned);
static int _emm_as_status_ind(const emm_data_t *emm_data, const emm_as_status_t *, void *ul_info_transfer_req_unaligned);
static int _emm_as_release_req(const emm_as_release_t *, void *nas_release_req_unaligned);
/****************************************************************************/
/****************** E X P O R T E D F U N C T I O N S ******************/
@@ -938,32 +946,32 @@ static int _emm_as_send(const nas_user_t *user, const emm_as_t *msg)
case _EMMAS_DATA_REQ:
as_msg.msgID = _emm_as_data_req(user->emm_data,
&msg->u.data,
&as_msg.msg.ul_info_transfer_req);
(void *)(&as_msg.msg.ul_info_transfer_req));
break;
case _EMMAS_STATUS_IND:
as_msg.msgID = _emm_as_status_ind(user->emm_data,
&msg->u.status,
&as_msg.msg.ul_info_transfer_req);
(void *)(&as_msg.msg.ul_info_transfer_req));
break;
case _EMMAS_RELEASE_REQ:
as_msg.msgID = _emm_as_release_req(
&msg->u.release,
&as_msg.msg.nas_release_req);
(void *)(&as_msg.msg.nas_release_req));
break;
case _EMMAS_SECURITY_RES:
as_msg.msgID = _emm_as_security_res(user->emm_data,
&msg->u.security,
&as_msg.msg.ul_info_transfer_req);
(void *)(&as_msg.msg.ul_info_transfer_req));
break;
case _EMMAS_ESTABLISH_REQ:
as_msg.msgID = _emm_as_establish_req(user->emm_data,
&msg->u.establish,
&as_msg.msg.nas_establish_req);
(void *)(&as_msg.msg.nas_establish_req));
break;
@@ -1069,10 +1077,10 @@ static int _emm_as_send(const nas_user_t *user, const emm_as_t *msg)
** **
***************************************************************************/
static int _emm_as_data_req(const emm_data_t *emm_data, const emm_as_data_t *msg,
ul_info_transfer_req_t *as_msg)
void *ul_info_transfer_req_unaligned)
{
LOG_FUNC_IN;
ul_info_transfer_req_t *as_msg = (ul_info_transfer_req_t *)ul_info_transfer_req_unaligned;
int size = 0;
int is_encoded = FALSE;
@@ -1165,12 +1173,12 @@ static int _emm_as_data_req(const emm_data_t *emm_data, const emm_as_data_t *msg
** **
***************************************************************************/
static int _emm_as_status_ind(const emm_data_t *emm_data, const emm_as_status_t *msg,
ul_info_transfer_req_t *as_msg)
void *ul_info_transfer_req_unaligned)
{
LOG_FUNC_IN;
int size = 0;
ul_info_transfer_req_t *as_msg = (ul_info_transfer_req_t *)ul_info_transfer_req_unaligned;
LOG_TRACE(INFO, "EMMAS-SAP - Send AS status indication (cause=%d)",
msg->emm_cause);
@@ -1239,12 +1247,12 @@ static int _emm_as_status_ind(const emm_data_t *emm_data, const emm_as_status_t
** **
***************************************************************************/
static int _emm_as_release_req(const emm_as_release_t *msg,
nas_release_req_t *as_msg)
void *nas_release_req_unaligned)
{
LOG_FUNC_IN;
LOG_TRACE(INFO, "EMMAS-SAP - Send AS release request");
nas_release_req_t *as_msg = (nas_release_req_t *)nas_release_req_unaligned;
/* Setup the AS message */
if (msg->guti) {
as_msg->s_tmsi.MMEcode = msg->guti->gummei.MMEcode;
@@ -1279,10 +1287,10 @@ static int _emm_as_release_req(const emm_as_release_t *msg,
** **
***************************************************************************/
static int _emm_as_security_res(const emm_data_t *emm_data, const emm_as_security_t *msg,
ul_info_transfer_req_t *as_msg)
void *ul_info_transfer_req_unaligned)
{
LOG_FUNC_IN;
ul_info_transfer_req_t *as_msg=(ul_info_transfer_req_t *)ul_info_transfer_req_unaligned;
int size = 0;
LOG_TRACE(INFO, "EMMAS-SAP - Send AS security response");
@@ -1373,12 +1381,12 @@ static int _emm_as_security_res(const emm_data_t *emm_data, const emm_as_securit
** **
***************************************************************************/
static int _emm_as_establish_req(const emm_data_t *emm_data, const emm_as_establish_t *msg,
nas_establish_req_t *as_msg)
void *nas_establish_req_unaligned)
{
LOG_FUNC_IN;
int size = 0;
nas_establish_req_t *as_msg = (nas_establish_req_t *)nas_establish_req_unaligned;
LOG_TRACE(INFO, "EMMAS-SAP - Send AS connection establish request");
nas_message_t nas_msg;