/* GPRS subscriber details for use in SGSN land */ #pragma once #include #include #include #include #include #include struct sgsn_instance; struct sgsn_mm_ctx; extern struct llist_head * const gprs_subscribers; #define GPRS_SUBSCRIBER_FIRST_CONTACT 0x00000001 #define GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING (1 << 16) #define GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING (1 << 17) #define GPRS_SUBSCRIBER_CANCELLED (1 << 18) #define GPRS_SUBSCRIBER_ENABLE_PURGE (1 << 19) #define GPRS_SUBSCRIBER_UPDATE_PENDING_MASK ( \ GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING | \ GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING \ ) struct gsm_auth_tuple { int use_count; int key_seq; struct osmo_auth_vector vec; }; #define GSM_KEY_SEQ_INVAL 7 /* GSM 04.08 - 10.5.1.2 */ struct sgsn_subscriber_data { struct sgsn_mm_ctx *mm; struct gsm_auth_tuple auth_triplets[5]; int auth_triplets_updated; struct llist_head pdp_list; int error_cause; uint8_t msisdn[9]; size_t msisdn_len; uint8_t hlr[9]; size_t hlr_len; uint8_t pdp_charg[2]; bool has_pdp_charg; }; /* see GSM 09.02, 17.7.1, PDP-Context and GPRSSubscriptionData */ /* see GSM 09.02, B.1, gprsSubscriptionData */ struct sgsn_subscriber_pdp_data { struct llist_head list; unsigned int context_id; enum gsm48_pdp_type_org pdp_type_org; enum gsm48_pdp_type_nr pdp_type_nr; struct osmo_sockaddr pdp_address[2]; char apn_str[GSM_APN_LENGTH]; uint8_t qos_subscribed[20]; size_t qos_subscribed_len; uint8_t pdp_charg[2]; bool has_pdp_charg; }; struct sgsn_subscriber_pdp_data *sgsn_subscriber_pdp_data_alloc(struct sgsn_subscriber_data *sdata); struct gprs_subscr { struct llist_head entry; int use_count; char imsi[GSM23003_IMSI_MAX_DIGITS+1]; uint32_t tmsi; char imei[GSM23003_IMEISV_NUM_DIGITS+1]; bool authorized; bool keep_in_ram; uint32_t flags; uint16_t lac; struct sgsn_subscriber_data *sgsn_data; }; struct gprs_subscr *_gprs_subscr_get(struct gprs_subscr *gsub, const char *file, int line); struct gprs_subscr *_gprs_subscr_put(struct gprs_subscr *gsub, const char *file, int line); #define gprs_subscr_get(gsub) _gprs_subscr_get(gsub, __FILE__, __LINE__) #define gprs_subscr_put(gsub) _gprs_subscr_put(gsub, __FILE__, __LINE__) int gprs_subscr_init(struct sgsn_instance *sgi); int gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx); int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx, const uint8_t *auts, const uint8_t *auts_rand); void gprs_subscr_cleanup(struct gprs_subscr *subscr); struct gprs_subscr *gprs_subscr_get_or_create(const char *imsi); struct gprs_subscr *gprs_subscr_get_or_create_by_mmctx(struct sgsn_mm_ctx *mmctx); struct gprs_subscr *gprs_subscr_get_by_imsi(const char *imsi); void gprs_subscr_cancel(struct gprs_subscr *subscr); void gprs_subscr_update(struct gprs_subscr *subscr); void gprs_subscr_update_auth_info(struct gprs_subscr *subscr); int gprs_subscr_rx_gsup_message(struct msgb *msg); #define LOGGSUBSCRP(level, subscr, fmt, args...) \ LOGP(DGPRS, level, "SUBSCR(%s) " fmt, \ (subscr) ? (subscr)->imsi : "---", \ ## args)