diff options
Diffstat (limited to 'openbsc/include/openbsc/gb_proxy.h')
| -rw-r--r-- | openbsc/include/openbsc/gb_proxy.h | 118 |
1 files changed, 99 insertions, 19 deletions
diff --git a/openbsc/include/openbsc/gb_proxy.h b/openbsc/include/openbsc/gb_proxy.h index e7d1b1cbe..345a317e8 100644 --- a/openbsc/include/openbsc/gb_proxy.h +++ b/openbsc/include/openbsc/gb_proxy.h @@ -11,6 +11,7 @@ #include <regex.h> struct rate_ctr_group; +struct gprs_gb_parse_context; enum gbproxy_patch_mode { GBPROX_PATCH_DEFAULT, @@ -22,6 +23,42 @@ enum gbproxy_patch_mode { GBPROX_PATCH_LLC, /*!< BSSGP and all supported LLC msgs */ }; +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_TLLI_UNKNOWN, + GBPROX_PEER_CTR_TLLI_CACHE_SIZE, +}; + struct gbproxy_config { /* parsed from config file */ uint16_t nsip_sgsn_nsei; @@ -130,31 +167,74 @@ int gbprox_reset_persistent_nsvcs(struct gprs_ns_inst *nsi); void gbprox_reset(struct gbproxy_config *cfg); -int gbprox_set_patch_filter(struct gbproxy_config *cfg, const char *filter, - const char **err_msg); -void gbprox_clear_patch_filter(struct gbproxy_config *cfg); - -void gbprox_delete_tlli(struct gbproxy_peer *peer, - struct gbproxy_tlli_info *tlli_info); -int gbprox_remove_stale_tllis(struct gbproxy_peer *peer, time_t now); int gbprox_cleanup_peers(struct gbproxy_config *cfg, uint16_t nsei, uint16_t bvci); struct gbproxy_peer *gbprox_peer_by_nsei(struct gbproxy_config *cfg, uint16_t nsei); -struct gbproxy_tlli_info *gbprox_find_tlli(struct gbproxy_peer *peer, - uint32_t tlli); -struct gbproxy_tlli_info *gbprox_find_tlli_by_mi(struct gbproxy_peer *peer, - const uint8_t *mi_data, - size_t mi_data_len); -struct gbproxy_tlli_info *gbprox_find_tlli_by_sgsn_tlli( +struct gbproxy_peer *gbproxy_peer_alloc(struct gbproxy_config *cfg, uint16_t bvci); +void gbproxy_peer_free(struct gbproxy_peer *peer); + +/* TLLI state handling */ +void gbproxy_delete_tllis(struct gbproxy_peer *peer); +int gbproxy_check_tlli(struct gbproxy_peer *peer, uint32_t tlli); +struct gbproxy_tlli_info *gbprox_find_tlli_by_ptmsi( struct gbproxy_peer *peer, - uint32_t tlli); -struct gbproxy_tlli_info *gbprox_register_tlli( + uint32_t ptmsi); +uint32_t gbproxy_map_tlli( + uint32_t other_tlli, struct gbproxy_tlli_info *tlli_info, int to_bss); +struct gbproxy_tlli_info *gbproxy_update_tlli_state_ul( + struct gbproxy_peer *peer, time_t now, + struct gprs_gb_parse_context *parse_ctx); +struct gbproxy_tlli_info *gbproxy_update_tlli_state_dl( + struct gbproxy_peer *peer, time_t now, + struct gprs_gb_parse_context *parse_ctx); +void gbproxy_update_tlli_state_after( + struct gbproxy_peer *peer, struct gbproxy_tlli_info *tlli_info, + time_t now, struct gprs_gb_parse_context *parse_ctx); +int gbproxy_remove_stale_tllis(struct gbproxy_peer *peer, time_t now); +void gbproxy_delete_tlli(struct gbproxy_peer *peer, + struct gbproxy_tlli_info *tlli_info); + +struct gbproxy_tlli_info *gbproxy_register_tlli( struct gbproxy_peer *peer, uint32_t tlli, const uint8_t *imsi, size_t imsi_len, time_t now); -struct gbproxy_peer *gbproxy_peer_alloc(struct gbproxy_config *cfg, uint16_t bvci); -void gbproxy_peer_free(struct gbproxy_peer *peer); -int gbprox_check_imsi(struct gbproxy_peer *peer, - const uint8_t *imsi, size_t imsi_len); +struct gbproxy_tlli_info *gbproxy_find_tlli( + struct gbproxy_peer *peer, uint32_t tlli); +struct gbproxy_tlli_info *gbproxy_find_tlli_by_mi( + struct gbproxy_peer *peer, const uint8_t *mi_data, size_t mi_data_len); +struct gbproxy_tlli_info *gbproxy_find_tlli_by_sgsn_tlli( + struct gbproxy_peer *peer, + uint32_t tlli); +struct gbproxy_tlli_info *gbproxy_find_tlli_by_ptmsi( + struct gbproxy_peer *peer, + uint32_t ptmsi); + +/* 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_tlli_info *tlli_info, + uint32_t bss_tlli); +int gbproxy_check_imsi( + struct gbproxy_peer *peer, 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_tlli_info *tlli_info, + int *len_change, struct gprs_gb_parse_context *parse_ctx) + __attribute__((nonnull)); + +int gbproxy_patch_llc( + struct msgb *msg, uint8_t *llc, size_t llc_len, + struct gbproxy_peer *peer, struct gbproxy_tlli_info *tlli_info, + int *len_change, struct gprs_gb_parse_context *parse_ctx) + __attribute__((nonnull)); + +int gbproxy_set_patch_filter( + struct gbproxy_config *cfg, const char *filter, const char **err_msg); +void gbproxy_clear_patch_filter(struct gbproxy_config *cfg); +int gbproxy_check_imsi( + struct gbproxy_peer *peer, const uint8_t *imsi, size_t imsi_len); + #endif |