107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/* GPRS subscriber details for use in SGSN land */
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#pragma once
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#include <stdint.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/gsm/protocol/gsm_23_003.h>
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#include <osmocom/sgsn/apn.h>
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struct sgsn_instance;
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struct sgsn_mm_ctx;
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extern struct llist_head * const gprs_subscribers;
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#define GPRS_SUBSCRIBER_FIRST_CONTACT 0x00000001
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#define GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING (1 << 16)
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#define GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING (1 << 17)
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#define GPRS_SUBSCRIBER_CANCELLED (1 << 18)
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#define GPRS_SUBSCRIBER_ENABLE_PURGE (1 << 19)
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#define GPRS_SUBSCRIBER_UPDATE_PENDING_MASK ( \
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GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING | \
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GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING \
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)
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struct gsm_auth_tuple {
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int use_count;
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int key_seq;
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struct osmo_auth_vector vec;
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};
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#define GSM_KEY_SEQ_INVAL 7 /* GSM 04.08 - 10.5.1.2 */
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struct sgsn_subscriber_data {
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struct sgsn_mm_ctx *mm;
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struct gsm_auth_tuple auth_triplets[5];
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int auth_triplets_updated;
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struct llist_head pdp_list;
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int error_cause;
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uint8_t msisdn[9];
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size_t msisdn_len;
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uint8_t hlr[9];
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size_t hlr_len;
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uint8_t pdp_charg[2];
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bool has_pdp_charg;
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};
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/* see GSM 09.02, 17.7.1, PDP-Context and GPRSSubscriptionData */
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/* see GSM 09.02, B.1, gprsSubscriptionData */
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struct sgsn_subscriber_pdp_data {
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struct llist_head list;
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unsigned int context_id;
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uint16_t pdp_type;
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char apn_str[GSM_APN_LENGTH];
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uint8_t qos_subscribed[20];
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size_t qos_subscribed_len;
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uint8_t pdp_charg[2];
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bool has_pdp_charg;
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};
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struct sgsn_subscriber_pdp_data *sgsn_subscriber_pdp_data_alloc(struct sgsn_subscriber_data *sdata);
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struct gprs_subscr {
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struct llist_head entry;
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int use_count;
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char imsi[GSM23003_IMSI_MAX_DIGITS+1];
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uint32_t tmsi;
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char imei[GSM23003_IMEISV_NUM_DIGITS+1];
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bool authorized;
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bool keep_in_ram;
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uint32_t flags;
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uint16_t lac;
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struct sgsn_subscriber_data *sgsn_data;
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};
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struct gprs_subscr *_gprs_subscr_get(struct gprs_subscr *gsub,
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const char *file, int line);
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struct gprs_subscr *_gprs_subscr_put(struct gprs_subscr *gsub,
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const char *file, int line);
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#define gprs_subscr_get(gsub) _gprs_subscr_get(gsub, __FILE__, __LINE__)
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#define gprs_subscr_put(gsub) _gprs_subscr_put(gsub, __FILE__, __LINE__)
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int gprs_subscr_init(struct sgsn_instance *sgi);
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int gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx);
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int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx,
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const uint8_t *auts,
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const uint8_t *auts_rand);
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void gprs_subscr_cleanup(struct gprs_subscr *subscr);
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struct gprs_subscr *gprs_subscr_get_or_create(const char *imsi);
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struct gprs_subscr *gprs_subscr_get_or_create_by_mmctx(struct sgsn_mm_ctx *mmctx);
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struct gprs_subscr *gprs_subscr_get_by_imsi(const char *imsi);
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void gprs_subscr_cancel(struct gprs_subscr *subscr);
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void gprs_subscr_update(struct gprs_subscr *subscr);
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void gprs_subscr_update_auth_info(struct gprs_subscr *subscr);
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int gprs_subscr_rx_gsup_message(struct msgb *msg);
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#define LOGGSUBSCRP(level, subscr, fmt, args...) \
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LOGP(DGPRS, level, "SUBSCR(%s) " fmt, \
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(subscr) ? (subscr)->imsi : "---", \
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## args)
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