| /* GPRS subscriber details for use in SGSN land */ |
| #pragma once |
| |
| #include <stdint.h> |
| |
| #include <osmocom/core/linuxlist.h> |
| #include <osmocom/gsm/protocol/gsm_23_003.h> |
| |
| #include <osmocom/sgsn/apn.h> |
| |
| 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; |
| uint16_t pdp_type; |
| 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) |