Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 1 | #ifndef _GB_PROXY_H |
| 2 | #define _GB_PROXY_H |
| 3 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 4 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 5 | #include <osmocom/core/msgb.h> |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 6 | #include <osmocom/gsm/gsm23003.h> |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 7 | |
Harald Welte | ea34a4e | 2012-06-16 14:59:56 +0800 | [diff] [blame] | 8 | #include <osmocom/gprs/gprs_ns.h> |
Harald Welte | 4b037e4 | 2010-05-19 19:45:32 +0200 | [diff] [blame] | 9 | #include <osmocom/vty/command.h> |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 10 | |
Holger Hans Peter Freyther | 3fa2644 | 2014-08-04 16:27:11 +0200 | [diff] [blame] | 11 | #include <sys/types.h> |
| 12 | #include <regex.h> |
| 13 | |
Jacob Erlbeck | 6575028 | 2014-09-22 15:41:21 +0200 | [diff] [blame] | 14 | #define GBPROXY_INIT_VU_GEN_TX 256 |
| 15 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 16 | struct rate_ctr_group; |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 17 | struct gprs_gb_parse_context; |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 18 | struct tlv_parsed; |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 19 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 20 | enum gbproxy_global_ctr { |
| 21 | GBPROX_GLOB_CTR_INV_BVCI, |
| 22 | GBPROX_GLOB_CTR_INV_LAI, |
| 23 | GBPROX_GLOB_CTR_INV_RAI, |
| 24 | GBPROX_GLOB_CTR_INV_NSEI, |
| 25 | GBPROX_GLOB_CTR_PROTO_ERR_BSS, |
| 26 | GBPROX_GLOB_CTR_PROTO_ERR_SGSN, |
| 27 | GBPROX_GLOB_CTR_NOT_SUPPORTED_BSS, |
| 28 | GBPROX_GLOB_CTR_NOT_SUPPORTED_SGSN, |
| 29 | GBPROX_GLOB_CTR_RESTART_RESET_SGSN, |
| 30 | GBPROX_GLOB_CTR_TX_ERR_SGSN, |
| 31 | GBPROX_GLOB_CTR_OTHER_ERR, |
| 32 | GBPROX_GLOB_CTR_PATCH_PEER_ERR, |
| 33 | }; |
| 34 | |
| 35 | enum gbproxy_peer_ctr { |
| 36 | GBPROX_PEER_CTR_BLOCKED, |
| 37 | GBPROX_PEER_CTR_UNBLOCKED, |
| 38 | GBPROX_PEER_CTR_DROPPED, |
| 39 | GBPROX_PEER_CTR_INV_NSEI, |
| 40 | GBPROX_PEER_CTR_TX_ERR, |
| 41 | GBPROX_PEER_CTR_RAID_PATCHED_BSS, |
| 42 | GBPROX_PEER_CTR_RAID_PATCHED_SGSN, |
| 43 | GBPROX_PEER_CTR_APN_PATCHED, |
| 44 | GBPROX_PEER_CTR_TLLI_PATCHED_BSS, |
| 45 | GBPROX_PEER_CTR_TLLI_PATCHED_SGSN, |
| 46 | GBPROX_PEER_CTR_PTMSI_PATCHED_BSS, |
| 47 | GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN, |
| 48 | GBPROX_PEER_CTR_PATCH_CRYPT_ERR, |
| 49 | GBPROX_PEER_CTR_PATCH_ERR, |
| 50 | GBPROX_PEER_CTR_ATTACH_REQS, |
| 51 | GBPROX_PEER_CTR_ATTACH_REJS, |
Holger Hans Peter Freyther | 98fa3dc | 2015-11-09 14:30:22 +0100 | [diff] [blame] | 52 | GBPROX_PEER_CTR_ATTACH_ACKS, |
| 53 | GBPROX_PEER_CTR_ATTACH_COMPLS, |
| 54 | GBPROX_PEER_CTR_RA_UPD_REQS, |
| 55 | GBPROX_PEER_CTR_RA_UPD_REJS, |
| 56 | GBPROX_PEER_CTR_RA_UPD_ACKS, |
| 57 | GBPROX_PEER_CTR_RA_UPD_COMPLS, |
| 58 | GBPROX_PEER_CTR_GMM_STATUS_BSS, |
| 59 | GBPROX_PEER_CTR_GMM_STATUS_SGSN, |
| 60 | GBPROX_PEER_CTR_DETACH_REQS, |
| 61 | GBPROX_PEER_CTR_DETACH_ACKS, |
| 62 | GBPROX_PEER_CTR_PDP_ACT_REQS, |
| 63 | GBPROX_PEER_CTR_PDP_ACT_REJS, |
| 64 | GBPROX_PEER_CTR_PDP_ACT_ACKS, |
| 65 | GBPROX_PEER_CTR_PDP_DEACT_REQS, |
| 66 | GBPROX_PEER_CTR_PDP_DEACT_ACKS, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 67 | GBPROX_PEER_CTR_TLLI_UNKNOWN, |
| 68 | GBPROX_PEER_CTR_TLLI_CACHE_SIZE, |
Holger Hans Peter Freyther | 98fa3dc | 2015-11-09 14:30:22 +0100 | [diff] [blame] | 69 | GBPROX_PEER_CTR_LAST, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 70 | }; |
| 71 | |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 72 | enum gbproxy_keep_mode { |
| 73 | GBPROX_KEEP_NEVER, |
| 74 | GBPROX_KEEP_REATTACH, |
| 75 | GBPROX_KEEP_IDENTIFIED, |
| 76 | GBPROX_KEEP_ALWAYS, |
| 77 | }; |
| 78 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 79 | enum gbproxy_match_id { |
| 80 | GBPROX_MATCH_PATCHING, |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 81 | GBPROX_MATCH_ROUTING, |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 82 | GBPROX_MATCH_LAST |
| 83 | }; |
| 84 | |
| 85 | struct gbproxy_match { |
| 86 | int enable; |
| 87 | char *re_str; |
| 88 | regex_t re_comp; |
| 89 | }; |
| 90 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 91 | struct gbproxy_config { |
| 92 | /* parsed from config file */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 93 | uint16_t nsip_sgsn_nsei; |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 94 | |
| 95 | /* misc */ |
| 96 | struct gprs_ns_inst *nsi; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 97 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 98 | /* Linked list of all Gb peers (except SGSN) */ |
| 99 | struct llist_head bts_peers; |
| 100 | |
Holger Hans Peter Freyther | a7027a0 | 2014-08-04 11:19:56 +0200 | [diff] [blame] | 101 | /* Counter */ |
| 102 | struct rate_ctr_group *ctrg; |
| 103 | |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 104 | /* force mcc/mnc */ |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 105 | struct osmo_plmn_id core_plmn; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 106 | uint8_t* core_apn; |
| 107 | size_t core_apn_size; |
Pau Espin Pedrol | 82f1361 | 2018-08-17 13:13:27 +0200 | [diff] [blame] | 108 | /* Frequency (sec) at which timer to clean stale links is fired (0 disabled) */ |
| 109 | unsigned int clean_stale_timer_freq; |
Pau Espin Pedrol | 67f1d1e | 2018-08-16 12:11:46 +0200 | [diff] [blame] | 110 | /* If !0, Max age to consider a struct gbproxy_link_info as stale */ |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 111 | int tlli_max_age; |
Pau Espin Pedrol | 67f1d1e | 2018-08-16 12:11:46 +0200 | [diff] [blame] | 112 | /* If !0, Max len of gbproxy_peer->list (list of struct gbproxy_link_info) */ |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 113 | int tlli_max_len; |
Pau Espin Pedrol | 67f1d1e | 2018-08-16 12:11:46 +0200 | [diff] [blame] | 114 | /* If !0, Max len of gbproxy_link_info->stored_msgs (list of msgb) */ |
| 115 | uint32_t stored_msgs_max_len; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 116 | |
| 117 | /* Experimental config */ |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 118 | int patch_ptmsi; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 119 | int acquire_imsi; |
Jacob Erlbeck | f4d60c8 | 2014-08-26 14:47:15 +0200 | [diff] [blame] | 120 | int route_to_sgsn2; |
| 121 | uint16_t nsip_sgsn2_nsei; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 122 | enum gbproxy_keep_mode keep_link_infos; |
Holger Hans Peter Freyther | 3fa2644 | 2014-08-04 16:27:11 +0200 | [diff] [blame] | 123 | |
| 124 | /* IMSI checking/matching */ |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 125 | struct gbproxy_match matches[GBPROX_MATCH_LAST]; |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 126 | }; |
| 127 | |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 128 | struct gbproxy_patch_state { |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 129 | struct osmo_plmn_id local_plmn; |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 130 | |
| 131 | /* List of TLLIs for which patching is enabled */ |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 132 | struct llist_head logical_links; |
| 133 | int logical_link_count; |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 134 | }; |
| 135 | |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 136 | struct gbproxy_peer { |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 137 | struct llist_head list; |
| 138 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 139 | /* point back to the config */ |
| 140 | struct gbproxy_config *cfg; |
| 141 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 142 | /* NSEI of the peer entity */ |
| 143 | uint16_t nsei; |
| 144 | |
| 145 | /* BVCI used for Point-to-Point to this peer */ |
| 146 | uint16_t bvci; |
| 147 | int blocked; |
| 148 | |
| 149 | /* Routeing Area that this peer is part of (raw 04.08 encoding) */ |
| 150 | uint8_t ra[6]; |
| 151 | |
| 152 | /* Counter */ |
| 153 | struct rate_ctr_group *ctrg; |
| 154 | |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 155 | struct gbproxy_patch_state patch_state; |
Pau Espin Pedrol | 82f1361 | 2018-08-17 13:13:27 +0200 | [diff] [blame] | 156 | |
| 157 | /* Fired periodically to clean up stale links from list */ |
| 158 | struct osmo_timer_list clean_stale_timer; |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 159 | }; |
| 160 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 161 | struct gbproxy_tlli_state { |
| 162 | uint32_t current; |
| 163 | uint32_t assigned; |
| 164 | int bss_validated; |
| 165 | int net_validated; |
| 166 | |
| 167 | uint32_t ptmsi; |
| 168 | }; |
| 169 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 170 | struct gbproxy_link_info { |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 171 | struct llist_head list; |
| 172 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 173 | struct gbproxy_tlli_state tlli; |
| 174 | struct gbproxy_tlli_state sgsn_tlli; |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 175 | uint32_t sgsn_nsei; |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 176 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 177 | time_t timestamp; |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 178 | uint8_t *imsi; |
| 179 | size_t imsi_len; |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 180 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 181 | int imsi_acq_pending; |
| 182 | struct llist_head stored_msgs; |
Pau Espin Pedrol | 67f1d1e | 2018-08-16 12:11:46 +0200 | [diff] [blame] | 183 | uint32_t stored_msgs_len; |
Jacob Erlbeck | 6575028 | 2014-09-22 15:41:21 +0200 | [diff] [blame] | 184 | unsigned vu_gen_tx_bss; |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 185 | |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 186 | int is_deregistered; |
| 187 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 188 | int is_matching[GBPROX_MATCH_LAST]; |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 189 | }; |
| 190 | |
| 191 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 192 | /* gb_proxy_vty .c */ |
| 193 | |
| 194 | int gbproxy_vty_init(void); |
| 195 | int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg); |
| 196 | |
Daniel Willmann | c977afa | 2018-06-01 07:21:20 +0200 | [diff] [blame] | 197 | /* gb_proxy_ctrl.c */ |
| 198 | int gb_ctrl_cmds_install(void); |
| 199 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 200 | |
| 201 | /* gb_proxy.c */ |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 202 | int gbproxy_init_config(struct gbproxy_config *cfg); |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 203 | |
| 204 | /* Main input function for Gb proxy */ |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 205 | int gbprox_rcvmsg(struct gbproxy_config *cfg, struct msgb *msg, uint16_t nsei, uint16_t ns_bvci, uint16_t nsvci); |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 206 | |
Harald Welte | c1c1dd2 | 2010-05-11 06:34:24 +0200 | [diff] [blame] | 207 | int gbprox_signal(unsigned int subsys, unsigned int signal, |
| 208 | void *handler_data, void *signal_data); |
Harald Welte | 1ccbf44 | 2010-05-14 11:53:08 +0000 | [diff] [blame] | 209 | |
| 210 | /* Reset all persistent NS-VC's */ |
| 211 | int gbprox_reset_persistent_nsvcs(struct gprs_ns_inst *nsi); |
| 212 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 213 | void gbprox_reset(struct gbproxy_config *cfg); |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 214 | |
Jacob Erlbeck | 9a7b0d5 | 2014-09-19 13:30:14 +0200 | [diff] [blame] | 215 | /* TLLI info handling */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 216 | void gbproxy_delete_link_infos(struct gbproxy_peer *peer); |
| 217 | struct gbproxy_link_info *gbproxy_update_link_state_ul( |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 218 | struct gbproxy_peer *peer, time_t now, |
| 219 | struct gprs_gb_parse_context *parse_ctx); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 220 | struct gbproxy_link_info *gbproxy_update_link_state_dl( |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 221 | struct gbproxy_peer *peer, time_t now, |
| 222 | struct gprs_gb_parse_context *parse_ctx); |
Daniel Willmann | beade31 | 2016-11-07 17:54:29 +0100 | [diff] [blame] | 223 | int gbproxy_update_link_state_after( |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 224 | struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 225 | time_t now, struct gprs_gb_parse_context *parse_ctx); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 226 | int gbproxy_remove_stale_link_infos(struct gbproxy_peer *peer, time_t now); |
| 227 | void gbproxy_delete_link_info(struct gbproxy_peer *peer, |
| 228 | struct gbproxy_link_info *link_info); |
| 229 | void gbproxy_link_info_discard_messages(struct gbproxy_link_info *link_info); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 230 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 231 | void gbproxy_attach_link_info(struct gbproxy_peer *peer, time_t now, |
| 232 | struct gbproxy_link_info *link_info); |
| 233 | void gbproxy_update_link_info(struct gbproxy_link_info *link_info, |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 234 | const uint8_t *imsi, size_t imsi_len); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 235 | void gbproxy_detach_link_info(struct gbproxy_peer *peer, |
| 236 | struct gbproxy_link_info *link_info); |
| 237 | struct gbproxy_link_info *gbproxy_link_info_alloc( struct gbproxy_peer *peer); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 238 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 239 | struct gbproxy_link_info *gbproxy_link_info_by_tlli( |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 240 | struct gbproxy_peer *peer, uint32_t tlli); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 241 | struct gbproxy_link_info *gbproxy_link_info_by_imsi( |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 242 | struct gbproxy_peer *peer, const uint8_t *imsi, size_t imsi_len); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 243 | struct gbproxy_link_info *gbproxy_link_info_by_any_sgsn_tlli( |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 244 | struct gbproxy_peer *peer, uint32_t tlli); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 245 | struct gbproxy_link_info *gbproxy_link_info_by_sgsn_tlli( |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 246 | struct gbproxy_peer *peer, |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 247 | uint32_t tlli, uint32_t sgsn_nsei); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 248 | struct gbproxy_link_info *gbproxy_link_info_by_ptmsi( |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 249 | struct gbproxy_peer *peer, |
| 250 | uint32_t ptmsi); |
| 251 | |
Jacob Erlbeck | 9a7b0d5 | 2014-09-19 13:30:14 +0200 | [diff] [blame] | 252 | int gbproxy_imsi_matches( |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 253 | struct gbproxy_config *cfg, |
| 254 | enum gbproxy_match_id match_id, |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 255 | struct gbproxy_link_info *link_info); |
Jacob Erlbeck | 9a7b0d5 | 2014-09-19 13:30:14 +0200 | [diff] [blame] | 256 | uint32_t gbproxy_map_tlli( |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 257 | uint32_t other_tlli, struct gbproxy_link_info *link_info, int to_bss); |
Jacob Erlbeck | 9a7b0d5 | 2014-09-19 13:30:14 +0200 | [diff] [blame] | 258 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 259 | /* needed by gb_proxy_tlli.h */ |
| 260 | uint32_t gbproxy_make_bss_ptmsi(struct gbproxy_peer *peer, uint32_t sgsn_ptmsi); |
| 261 | uint32_t gbproxy_make_sgsn_tlli( |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 262 | struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 263 | uint32_t bss_tlli); |
Jacob Erlbeck | d211d1d | 2014-09-22 13:30:46 +0200 | [diff] [blame] | 264 | void gbproxy_reset_link(struct gbproxy_link_info *link_info); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 265 | int gbproxy_check_imsi( |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 266 | struct gbproxy_match *match, const uint8_t *imsi, size_t imsi_len); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 267 | |
| 268 | /* Message patching */ |
| 269 | void gbproxy_patch_bssgp( |
| 270 | struct msgb *msg, uint8_t *bssgp, size_t bssgp_len, |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 271 | struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 272 | int *len_change, struct gprs_gb_parse_context *parse_ctx); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 273 | |
| 274 | int gbproxy_patch_llc( |
| 275 | struct msgb *msg, uint8_t *llc, size_t llc_len, |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 276 | struct gbproxy_peer *peer, struct gbproxy_link_info *link_info, |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 277 | int *len_change, struct gprs_gb_parse_context *parse_ctx); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 278 | |
| 279 | int gbproxy_set_patch_filter( |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 280 | struct gbproxy_match *match, const char *filter, const char **err_msg); |
| 281 | void gbproxy_clear_patch_filter(struct gbproxy_match *match); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 282 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 283 | /* Peer handling */ |
| 284 | struct gbproxy_peer *gbproxy_peer_by_bvci( |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 285 | struct gbproxy_config *cfg, uint16_t bvci); |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 286 | struct gbproxy_peer *gbproxy_peer_by_nsei( |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 287 | struct gbproxy_config *cfg, uint16_t nsei); |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 288 | struct gbproxy_peer *gbproxy_peer_by_rai( |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 289 | struct gbproxy_config *cfg, const uint8_t *ra); |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 290 | struct gbproxy_peer *gbproxy_peer_by_lai( |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 291 | struct gbproxy_config *cfg, const uint8_t *la); |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 292 | struct gbproxy_peer *gbproxy_peer_by_lac( |
| 293 | struct gbproxy_config *cfg, const uint8_t *la); |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 294 | struct gbproxy_peer *gbproxy_peer_by_bssgp_tlv( |
Jacob Erlbeck | 48bb3a3 | 2014-09-01 11:55:11 +0200 | [diff] [blame] | 295 | struct gbproxy_config *cfg, struct tlv_parsed *tp); |
| 296 | struct gbproxy_peer *gbproxy_peer_alloc(struct gbproxy_config *cfg, uint16_t bvci); |
| 297 | void gbproxy_peer_free(struct gbproxy_peer *peer); |
| 298 | int gbproxy_cleanup_peers(struct gbproxy_config *cfg, uint16_t nsei, uint16_t bvci); |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 299 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 300 | #endif |