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liblte_mme: Added sec_hdr_type check in liblte_mme_pack_deactivate_eps_bearer_context_request_msg

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Ali_UBUNTU18.04 2021-12-12 10:17:20 +03:30 committed by Andre Puschmann
parent de4a54c7b2
commit 3fdec57a47
2 changed files with 17 additions and 0 deletions
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2
lib/include/srsran/asn1/liblte_mme.h
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@ -3649,6 +3649,8 @@ typedef struct {
// Functions
LIBLTE_ERROR_ENUM liblte_mme_pack_deactivate_eps_bearer_context_request_msg(
LIBLTE_MME_DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT* deact_eps_bearer_context_req,
uint8 sec_hdr_type,
uint32 count,
LIBLTE_BYTE_MSG_STRUCT* msg);
LIBLTE_ERROR_ENUM liblte_mme_unpack_deactivate_eps_bearer_context_request_msg(
LIBLTE_BYTE_MSG_STRUCT* msg,

15
lib/src/asn1/liblte_mme.cc
View File

@ -9018,12 +9018,27 @@ LIBLTE_ERROR_ENUM liblte_mme_unpack_deactivate_eps_bearer_context_accept_msg(
*********************************************************************/
LIBLTE_ERROR_ENUM liblte_mme_pack_deactivate_eps_bearer_context_request_msg(
LIBLTE_MME_DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT* deact_eps_bearer_context_req,
uint8 sec_hdr_type,
uint32 count,
LIBLTE_BYTE_MSG_STRUCT* msg)
{
LIBLTE_ERROR_ENUM err = LIBLTE_ERROR_INVALID_INPUTS;
uint8* msg_ptr = msg->msg;
if (deact_eps_bearer_context_req != NULL && msg != NULL) {
if (LIBLTE_MME_SECURITY_HDR_TYPE_PLAIN_NAS != sec_hdr_type) {
// Protocol Discriminator and Security Header Type
*msg_ptr = (sec_hdr_type << 4) | (LIBLTE_MME_PD_EPS_MOBILITY_MANAGEMENT);
msg_ptr++;
// MAC will be filled in later
msg_ptr += 4;
// Sequence Number
*msg_ptr = count & 0xFF;
msg_ptr++;
}
// Protocol Discriminator and EPS Bearer ID
*msg_ptr = (deact_eps_bearer_context_req->eps_bearer_id << 4) | (LIBLTE_MME_PD_EPS_SESSION_MANAGEMENT);
msg_ptr++;