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[SMF] Store IMEI from GTPv1C/2C and append AVP in Gy CCR (#1535)

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This commit is contained in:
Pau Espin Pedrol
2022-05-14 14:32:32 +02:00
committed by GitHub
parent c391ac1334
commit fe7f9d85bb
6 changed files with 62 additions and 1 deletions
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6
lib/diameter/gy/message.c
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@@ -56,6 +56,9 @@ struct dict_object *ogs_diam_gy_ggsn_address = NULL;
struct dict_object *ogs_diam_gy_3gpp_nsapi = NULL;
struct dict_object *ogs_diam_gy_3gpp_selection_mode = NULL;
struct dict_object *ogs_diam_gy_3gpp_charging_characteristics = NULL;
struct dict_object *ogs_diam_gy_user_equipment_info = NULL;
struct dict_object *ogs_diam_gy_user_equipment_info_type = NULL;
struct dict_object *ogs_diam_gy_user_equipment_info_value = NULL;
struct dict_object *ogs_diam_gy_feature_list_id = NULL;
struct dict_object *ogs_diam_gy_feature_list = NULL;
@@ -120,6 +123,9 @@ int ogs_diam_gy_init(void)
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "3GPP-NSAPI", &ogs_diam_gy_3gpp_nsapi);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "3GPP-Selection-Mode", &ogs_diam_gy_3gpp_selection_mode);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "3GPP-Charging-Characteristics", &ogs_diam_gy_3gpp_charging_characteristics);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "User-Equipment-Info", &ogs_diam_gy_user_equipment_info);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "User-Equipment-Info-Type", &ogs_diam_gy_user_equipment_info_type);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "User-Equipment-Info-Value", &ogs_diam_gy_user_equipment_info_value);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "Feature-List-ID", &ogs_diam_gy_feature_list_id);
CHECK_dict_search(DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "Feature-List", &ogs_diam_gy_feature_list);

3
lib/diameter/gy/message.h
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@@ -107,6 +107,9 @@ extern struct dict_object *ogs_diam_gy_ggsn_address;
extern struct dict_object *ogs_diam_gy_3gpp_nsapi;
extern struct dict_object *ogs_diam_gy_3gpp_selection_mode;
extern struct dict_object *ogs_diam_gy_3gpp_charging_characteristics;
extern struct dict_object *ogs_diam_gy_user_equipment_info;
extern struct dict_object *ogs_diam_gy_user_equipment_info_type;
extern struct dict_object *ogs_diam_gy_user_equipment_info_value;
extern struct dict_object *ogs_diam_gy_feature_list_id;
extern struct dict_object *ogs_diam_gy_feature_list;
extern struct dict_object *ogs_diam_gy_qos_information;

5
src/smf/context.h
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@@ -114,6 +114,11 @@ typedef struct smf_ue_s {
int msisdn_len;
char msisdn_bcd[OGS_MAX_MSISDN_BCD_LEN+1];
/* IMEI */
uint8_t imeisv[OGS_MAX_IMEISV_LEN];
int imeisv_len;
char imeisv_bcd[OGS_MAX_IMEISV_BCD_LEN+1];
ogs_list_t sess_list;
} smf_ue_t;

9
src/smf/gn-handler.c
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@@ -218,6 +218,15 @@ uint8_t smf_gn_handle_create_pdp_context_request(
OGS_TLV_STORE_DATA(&sess->gtp.ue_timezone, &req->ms_time_zone);
}
/* Set IMEI(SV) */
if (req->imei.presence && req->imei.len > 0) {
smf_ue->imeisv_len = req->imei.len;
memcpy(smf_ue->imeisv,
(uint8_t*)req->imei.data, smf_ue->imeisv_len);
ogs_buffer_to_bcd(
smf_ue->imeisv, smf_ue->imeisv_len, smf_ue->imeisv_bcd);
}
/* UE IP Address */
eua = req->end_user_address.data;
ogs_assert(eua);

31
src/smf/gy-path.c
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@@ -262,7 +262,7 @@ static void fill_service_information_ccr(smf_sess_t *sess,
int ret;
union avp_value val;
struct avp *avp;
struct avp *avpch1, *avpch2;
struct avp *avpch1, *avpch2, *avpch3;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
char buf[OGS_PLMNIDSTRLEN];
@@ -504,6 +504,35 @@ static void fill_service_information_ccr(smf_sess_t *sess,
}
}
if (sess->smf_ue->imeisv_len > 0) {
/* User-Equipment-Info, 3GPP TS 32.299 7.1.17 */
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info, 0, &avpch2);
/* User-Equipment-Info-Type 0 (IMEI) */
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info_type, 0, &avpch3);
ogs_assert(ret == 0);
val.i32 = 0;
ret = fd_msg_avp_setvalue(avpch3, &val);
ogs_assert(ret == 0);
ret = fd_msg_avp_add(avpch2, MSG_BRW_LAST_CHILD, avpch3);
ogs_assert(ret == 0);
/* User-Equipment-Info-Val */
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info_value, 0, &avpch3);
ogs_assert(ret == 0);
digit = '0';
val.os.data = (uint8_t*)&sess->smf_ue->imeisv_bcd[0];
val.os.len = 16;
ret = fd_msg_avp_setvalue(avpch3, &val);
ogs_assert(ret == 0);
ret = fd_msg_avp_add(avpch2, MSG_BRW_LAST_CHILD, avpch3);
ogs_assert(ret == 0);
/* User-Equipment-Info AVP add to PS-Information: */
ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
ogs_assert(ret == 0);
}
/* PS-Information AVP add to req: */
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
ogs_assert(ret == 0);

9
src/smf/s5c-handler.c
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@@ -354,6 +354,15 @@ uint8_t smf_s5c_handle_create_session_request(
smf_ue->msisdn_len, smf_ue->msisdn_bcd);
}
/* Set IMEI(SV) */
if (req->me_identity.presence && req->me_identity.len > 0) {
smf_ue->imeisv_len = req->me_identity.len;
memcpy(smf_ue->imeisv,
(uint8_t*)req->me_identity.data, smf_ue->imeisv_len);
ogs_buffer_to_bcd(
smf_ue->imeisv, smf_ue->imeisv_len, smf_ue->imeisv_bcd);
}
return OGS_GTP2_CAUSE_REQUEST_ACCEPTED;
}