diff options
Diffstat (limited to 'include/openbsc/gb_proxy.h')
| -rw-r--r-- | include/openbsc/gb_proxy.h | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/include/openbsc/gb_proxy.h b/include/openbsc/gb_proxy.h deleted file mode 100644 index e10894fc3..000000000 --- a/include/openbsc/gb_proxy.h +++ /dev/null @@ -1,288 +0,0 @@ -#ifndef _GB_PROXY_H -#define _GB_PROXY_H - - -#include <osmocom/core/msgb.h> - -#include <osmocom/gprs/gprs_ns.h> -#include <osmocom/vty/command.h> - -#include <sys/types.h> -#include <regex.h> - -#define GBPROXY_INIT_VU_GEN_TX 256 - -struct rate_ctr_group; -struct gprs_gb_parse_context; -struct tlv_parsed; - -enum gbproxy_global_ctr { - GBPROX_GLOB_CTR_INV_BVCI, - GBPROX_GLOB_CTR_INV_LAI, - GBPROX_GLOB_CTR_INV_RAI, - GBPROX_GLOB_CTR_INV_NSEI, - GBPROX_GLOB_CTR_PROTO_ERR_BSS, - GBPROX_GLOB_CTR_PROTO_ERR_SGSN, - GBPROX_GLOB_CTR_NOT_SUPPORTED_BSS, - GBPROX_GLOB_CTR_NOT_SUPPORTED_SGSN, - GBPROX_GLOB_CTR_RESTART_RESET_SGSN, - GBPROX_GLOB_CTR_TX_ERR_SGSN, - GBPROX_GLOB_CTR_OTHER_ERR, - GBPROX_GLOB_CTR_PATCH_PEER_ERR, -}; - -enum gbproxy_peer_ctr { - GBPROX_PEER_CTR_BLOCKED, - GBPROX_PEER_CTR_UNBLOCKED, - GBPROX_PEER_CTR_DROPPED, - GBPROX_PEER_CTR_INV_NSEI, - GBPROX_PEER_CTR_TX_ERR, - GBPROX_PEER_CTR_RAID_PATCHED_BSS, - GBPROX_PEER_CTR_RAID_PATCHED_SGSN, - GBPROX_PEER_CTR_APN_PATCHED, - GBPROX_PEER_CTR_TLLI_PATCHED_BSS, - GBPROX_PEER_CTR_TLLI_PATCHED_SGSN, - GBPROX_PEER_CTR_PTMSI_PATCHED_BSS, - GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN, - GBPROX_PEER_CTR_PATCH_CRYPT_ERR, - GBPROX_PEER_CTR_PATCH_ERR, - GBPROX_PEER_CTR_ATTACH_REQS, - GBPROX_PEER_CTR_ATTACH_REJS, - GBPROX_PEER_CTR_ATTACH_ACKS, - GBPROX_PEER_CTR_ATTACH_COMPLS, - GBPROX_PEER_CTR_RA_UPD_REQS, - GBPROX_PEER_CTR_RA_UPD_REJS, - GBPROX_PEER_CTR_RA_UPD_ACKS, - GBPROX_PEER_CTR_RA_UPD_COMPLS, - GBPROX_PEER_CTR_GMM_STATUS_BSS, - GBPROX_PEER_CTR_GMM_STATUS_SGSN, - GBPROX_PEER_CTR_DETACH_REQS, - GBPROX_PEER_CTR_DETACH_ACKS, - GBPROX_PEER_CTR_PDP_ACT_REQS, - GBPROX_PEER_CTR_PDP_ACT_REJS, - GBPROX_PEER_CTR_PDP_ACT_ACKS, - GBPROX_PEER_CTR_PDP_DEACT_REQS, - GBPROX_PEER_CTR_PDP_DEACT_ACKS, - GBPROX_PEER_CTR_TLLI_UNKNOWN, - GBPROX_PEER_CTR_TLLI_CACHE_SIZE, - GBPROX_PEER_CTR_LAST, -}; - -enum gbproxy_keep_mode { - GBPROX_KEEP_NEVER, - GBPROX_KEEP_REATTACH, - GBPROX_KEEP_IDENTIFIED, - GBPROX_KEEP_ALWAYS, -}; - -enum gbproxy_match_id { - GBPROX_MATCH_PATCHING, - GBPROX_MATCH_ROUTING, - GBPROX_MATCH_LAST -}; - -struct gbproxy_match { - int enable; - char *re_str; - regex_t re_comp; -}; - -struct gbproxy_config { - /* parsed from config file */ - uint16_t nsip_sgsn_nsei; - - /* misc */ - struct gprs_ns_inst *nsi; - - /* Linked list of all Gb peers (except SGSN) */ - struct llist_head bts_peers; - - /* Counter */ - struct rate_ctr_group *ctrg; - - /* force mcc/mnc */ - int core_mnc; - int core_mcc; - uint8_t* core_apn; - size_t core_apn_size; - int tlli_max_age; - int tlli_max_len; - - /* Experimental config */ - int patch_ptmsi; - int acquire_imsi; - int route_to_sgsn2; - uint16_t nsip_sgsn2_nsei; - enum gbproxy_keep_mode keep_link_infos; - - /* IMSI checking/matching */ - struct gbproxy_match matches[GBPROX_MATCH_LAST]; -}; - -struct gbproxy_patch_state { - int local_mnc; - int local_mcc; - - /* List of TLLIs for which patching is enabled */ - struct llist_head logical_links; - int logical_link_count; -}; - -struct gbproxy_peer { - struct llist_head list; - - /* point back to the config */ - struct gbproxy_config *cfg; - - /* NSEI of the peer entity */ - uint16_t nsei; - - /* BVCI used for Point-to-Point to this peer */ - uint16_t bvci; - int blocked; - - /* Routeing Area that this peer is part of (raw 04.08 encoding) */ - uint8_t ra[6]; - - /* Counter */ - struct rate_ctr_group *ctrg; - - struct gbproxy_patch_state patch_state; -}; - -struct gbproxy_tlli_state { - uint32_t current; - uint32_t assigned; - int bss_validated; - int net_validated; - - uint32_t ptmsi; -}; - -struct gbproxy_link_info { - struct llist_head list; - - struct gbproxy_tlli_state tlli; - struct gbproxy_tlli_state sgsn_tlli; - uint32_t sgsn_nsei; - - time_t timestamp; - uint8_t *imsi; - size_t imsi_len; - - int imsi_acq_pending; - struct llist_head stored_msgs; - unsigned vu_gen_tx_bss; - - int is_deregistered; - - int is_matching[GBPROX_MATCH_LAST]; -}; - - -/* gb_proxy_vty .c */ - -int gbproxy_vty_init(void); -int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg); - - -/* gb_proxy.c */ -int gbproxy_init_config(struct gbproxy_config *cfg); - -/* Main input function for Gb proxy */ -int gbprox_rcvmsg(struct gbproxy_config *cfg, struct msgb *msg, uint16_t nsei, uint16_t ns_bvci, uint16_t nsvci); - -int gbprox_signal(unsigned int subsys, unsigned int signal, - void *handler_data, void *signal_data); - -/* Reset all persistent NS-VC's */ -int gbprox_reset_persistent_nsvcs(struct gprs_ns_inst *nsi); - -void gbprox_reset(struct gbproxy_config *cfg); - -/* TLLI info handling */ -void gbproxy_delete_link_infos(struct gbproxy_peer *peer); -struct gbproxy_link_info *gbproxy_update_link_state_ul( - struct gbproxy_peer *peer, time_t now, - struct gprs_gb_parse_context *parse_ctx); -struct gbproxy_link_info *gbproxy_update_link_state_dl( - struct gbproxy_peer *peer, time_t now, - struct gprs_gb_parse_context *parse_ctx); -int gbproxy_update_link_state_after( - struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, - time_t now, struct gprs_gb_parse_context *parse_ctx); -int gbproxy_remove_stale_link_infos(struct gbproxy_peer *peer, time_t now); -void gbproxy_delete_link_info(struct gbproxy_peer *peer, - struct gbproxy_link_info *link_info); -void gbproxy_link_info_discard_messages(struct gbproxy_link_info *link_info); - -void gbproxy_attach_link_info(struct gbproxy_peer *peer, time_t now, - struct gbproxy_link_info *link_info); -void gbproxy_update_link_info(struct gbproxy_link_info *link_info, - const uint8_t *imsi, size_t imsi_len); -void gbproxy_detach_link_info(struct gbproxy_peer *peer, - struct gbproxy_link_info *link_info); -struct gbproxy_link_info *gbproxy_link_info_alloc( struct gbproxy_peer *peer); - -struct gbproxy_link_info *gbproxy_link_info_by_tlli( - struct gbproxy_peer *peer, uint32_t tlli); -struct gbproxy_link_info *gbproxy_link_info_by_imsi( - struct gbproxy_peer *peer, const uint8_t *imsi, size_t imsi_len); -struct gbproxy_link_info *gbproxy_link_info_by_any_sgsn_tlli( - struct gbproxy_peer *peer, uint32_t tlli); -struct gbproxy_link_info *gbproxy_link_info_by_sgsn_tlli( - struct gbproxy_peer *peer, - uint32_t tlli, uint32_t sgsn_nsei); -struct gbproxy_link_info *gbproxy_link_info_by_ptmsi( - struct gbproxy_peer *peer, - uint32_t ptmsi); - -int gbproxy_imsi_matches( - struct gbproxy_config *cfg, - enum gbproxy_match_id match_id, - struct gbproxy_link_info *link_info); -uint32_t gbproxy_map_tlli( - uint32_t other_tlli, struct gbproxy_link_info *link_info, int to_bss); - -/* needed by gb_proxy_tlli.h */ -uint32_t gbproxy_make_bss_ptmsi(struct gbproxy_peer *peer, uint32_t sgsn_ptmsi); -uint32_t gbproxy_make_sgsn_tlli( - struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, - uint32_t bss_tlli); -void gbproxy_reset_link(struct gbproxy_link_info *link_info); -int gbproxy_check_imsi( - struct gbproxy_match *match, const uint8_t *imsi, size_t imsi_len); - -/* Message patching */ -void gbproxy_patch_bssgp( - struct msgb *msg, uint8_t *bssgp, size_t bssgp_len, - struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, - int *len_change, struct gprs_gb_parse_context *parse_ctx); - -int gbproxy_patch_llc( - struct msgb *msg, uint8_t *llc, size_t llc_len, - struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, - int *len_change, struct gprs_gb_parse_context *parse_ctx); - -int gbproxy_set_patch_filter( - struct gbproxy_match *match, const char *filter, const char **err_msg); -void gbproxy_clear_patch_filter(struct gbproxy_match *match); - -/* Peer handling */ -struct gbproxy_peer *gbproxy_peer_by_bvci( - struct gbproxy_config *cfg, uint16_t bvci); -struct gbproxy_peer *gbproxy_peer_by_nsei( - struct gbproxy_config *cfg, uint16_t nsei); -struct gbproxy_peer *gbproxy_peer_by_rai( - struct gbproxy_config *cfg, const uint8_t *ra); -struct gbproxy_peer *gbproxy_peer_by_lai( - struct gbproxy_config *cfg, const uint8_t *la); -struct gbproxy_peer *gbproxy_peer_by_lac( - struct gbproxy_config *cfg, const uint8_t *la); -struct gbproxy_peer *gbproxy_peer_by_bssgp_tlv( - struct gbproxy_config *cfg, struct tlv_parsed *tp); -struct gbproxy_peer *gbproxy_peer_alloc(struct gbproxy_config *cfg, uint16_t bvci); -void gbproxy_peer_free(struct gbproxy_peer *peer); -int gbproxy_cleanup_peers(struct gbproxy_config *cfg, uint16_t nsei, uint16_t bvci); - -#endif |