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OpenXG-RAN
Commit 141b56ba authored by Chenyu's avatar Chenyu
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encode authentication response

parent 4cb7ee39
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Showing with 63 additions and 31 deletions
openair3/NAS/NR_UE/nas_nrue_task.c
View file @ 141b56ba
......@@ -44,6 +44,9 @@
extern unsigned char NB_eNB_INST;
extern uint16_t NB_UE_INST;
static int _nas_mm_msg_decode_header(mm_msg_header_t *header, const uint8_t *buffer, uint32_t len);
static int _nas_mm_msg_encode_header(const mm_msg_header_t *header, uint8_t *buffer, uint32_t len);
void *nas_ue_task(void *args_p)
{
int nb_events;
......@@ -156,30 +159,31 @@ void nr_nas_proc_dl_transfer_ind (UENAS_msg *msg, Byte_t *data, uint32_t len) {
nr_user_nas_t UErrc= {0};//QUES:user
int size;
decodeNasMsg(msg,data,len);
msg->header.message_type = AUTHENTICATION_REQUEST;
switch (msg->header.message_type) {
case IDENTITY_REQUEST: { //send identityResponse in NAS_UPLINK_DATA_REQ
msg1->header.ex_protocol_discriminator=0;
msg1->header.security_header_type=0;
len1 += sizeof(uint8_t);
msg1->header.message_type = IDENTITY_RESPONSE;
len1 += sizeof(uint8_t);
len1 += identityResponse((void **)&msg1->identity_response, &UErrc);
size = encodeNasMsg(msg1, buffer, len1);
nas_itti_ul_data_req(0,buffer,size,0);
break;
}
// case IDENTITY_REQUEST: { //send identityResponse in NAS_UPLINK_DATA_REQ
// msg1->header.ex_protocol_discriminator=0;
// msg1->header.security_header_type=0;
// len1 += sizeof(uint8_t);
// msg1->header.message_type = IDENTITY_RESPONSE;
// len1 += sizeof(uint8_t);
// len1 += identityResponse((void **)&msg1->identity_response, &UErrc);
// size = encodeNasMsg(msg1, buffer, len1);
// nas_itti_ul_data_req(0,buffer,size,0);
// break;
// }
case AUTHENTICATION_REQUEST: { //send authenticationResponse
msg1->header.ex_protocol_discriminator=0;
msg1->header.security_header_type=0;
len1 += sizeof(uint8_t);
msg1->header.message_type = AUTHENTICATION_RESPONSE;
len1 += sizeof(uint8_t);
len1 += authenticationResponse((void **)&msg1->identity_response, &UErrc);
size = encodeNasMsg(msg1, buffer, len1);
nas_itti_ul_data_req(0,buffer,size,0);
break;
}
for (int i = 0; i < size; i++)
{
printf("aaaaaaaaaaaaa%x",*(buffer+i));
}
}
}
......@@ -213,7 +217,7 @@ int encodeNasMsg(UENAS_msg *msg, uint8_t *buffer, uint32_t len) { //QUES:UENAS_m
int encode_result=0;
/* First encode the EMM message header */
header_result = _emm_msg_encode_header(&msg->header, buffer, len);
header_result = _nas_mm_msg_encode_header(&msg->header, buffer, len);
if (header_result < 0) {
LOG_TRACE(ERROR, "NR_UE - Failed to encode EMM message header "
......@@ -225,20 +229,19 @@ int encodeNasMsg(UENAS_msg *msg, uint8_t *buffer, uint32_t len) { //QUES:UENAS_m
len -= header_result;
switch(msg->header.message_type) {
case IDENTITY_RESPONSE: {
encode_result = encode_identity_response(&msg->identity_response, buffer, len);
break;
}
// case IDENTITY_RESPONSE: {
// encode_result = encode_identity_response(&msg->identity_response, buffer, len);
// break;
// }
case AUTHENTICATION_RESPONSE: {
encode_result = encode_authentication_response(&msg->authentication_response, buffer, len);
encode_result = encode_authentication_response5g(&msg->authentication_response, buffer, len);
break;
}
}
LOG_FUNC_RETURN (header_result + encode_result);
}
static int _nas_mm_msg_decode_header(mm_msg_header_t *header,
const uint8_t *buffer, uint32_t len) {
static int _nas_mm_msg_decode_header(mm_msg_header_t *header, const uint8_t *buffer, uint32_t len) { //QUES: 静态函数在哪声明？
int size = 0;
/* Check the buffer length */
......@@ -257,18 +260,48 @@ static int _nas_mm_msg_decode_header(mm_msg_header_t *header,
return (size);
}
static int _emm_msg_encode_header(const emm_msg_header_t *header,
uint8_t *buffer, uint32_t len) {
static int _nas_mm_msg_encode_header(const mm_msg_header_t *header, uint8_t *buffer, uint32_t len) {
int size = 0;
/* Check the buffer length */
if (len < sizeof(mm_msg_header_t)) {
return (TLV_ENCODE_BUFFER_TOO_SHORT);
}
/* Check the protocol discriminator */
if (header->ex_protocol_discriminator != FGS_MOBILITY_MANAGEMENT_MESSAGE) {
LOG_TRACE(ERROR, "ESM-MSG - Unexpected extened protocol discriminator: 0x%x",
header->ex_protocol_discriminator);
return (TLV_ENCODE_PROTOCOL_NOT_SUPPORTED);
}
/* Encode the security header type and the protocol discriminator */
ENCODE_U8(buffer + size, *(uint8_t *)(header), size);
/* Encode the extendedprotocol discriminator */
ENCODE_U8(buffer + size, header->ex_protocol_discriminator, size);
/* Encode the security header type */
ENCODE_U8(buffer + size, (header->security_header_type & 0xf), size);
/* Encode the message type */
ENCODE_U8(buffer + size, header->message_type, size);
return (size);
}
int encode_authentication_response5g(authenticationresponse_t *authentication_response, uint8_t *buffer, uint32_t len)//QUES:AuthenticationResponse.c 中函数同名先编译哪个？
{
int encoded = 0;
if (authentication_response->iei > 0) {
*buffer = authentication_response->iei;
encoded++;
}
*(buffer + encoded) = authentication_response->RESlen;
encoded++;
for (int i = 0; i < authentication_response->RESlen; i++)
{
*(buffer + encoded) = authentication_response->RES[i];
encoded++;
}
return encoded;
}
openair3/NAS/NR_UE/nas_nrue_task.h
View file @ 141b56ba
......@@ -46,7 +46,6 @@ void *nas_nrue_task(void *args_p);
void nr_nas_proc_dl_transfer_ind (UENAS_msg *msg, Byte_t *data, uint32_t len);
int decodeNasMsg(UENAS_msg *msg, uint8_t *buffer, uint32_t len);
int encodeNasMsg(UENAS_msg *msg, uint8_t *buffer, uint32_t len);
static int _nas_mm_msg_decode_header(mm_msg_header_t *header, const uint8_t *buffer, uint32_t len); //QUES: defined in emm_msg.c and no check
static int _emm_msg_encode_header(const emm_msg_header_t *header, uint8_t *buffer, uint32_t len);
int encode_authentication_response5g(authenticationresponse_t *authentication_response, uint8_t *buffer, uint32_t len);
#endif /* NAS_TASK_H_ */
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