Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <osmocom/core/msgb.h> |
| 4 | #include <osmocom/core/msgfile.h> |
| 5 | #include <osmocom/core/linuxrbtree.h> |
| 6 | #include <osmocom/core/linuxlist.h> |
| 7 | |
| 8 | #include <regex.h> |
| 9 | |
Holger Hans Peter Freyther | d04d009 | 2015-04-04 22:14:34 +0200 | [diff] [blame] | 10 | struct vty; |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 11 | struct gsm48_hdr; |
Holger Hans Peter Freyther | d04d009 | 2015-04-04 22:14:34 +0200 | [diff] [blame] | 12 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 13 | struct bsc_filter_reject_cause { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 14 | int lu_reject_cause; |
| 15 | int cm_reject_cause; |
| 16 | }; |
| 17 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 18 | struct bsc_filter_barr_entry { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 19 | struct rb_node node; |
| 20 | |
| 21 | char *imsi; |
| 22 | int cm_reject_cause; |
| 23 | int lu_reject_cause; |
| 24 | }; |
| 25 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 26 | enum bsc_filter_acc_ctr { |
Holger Hans Peter Freyther | 14b2cd9 | 2015-04-05 16:50:34 +0200 | [diff] [blame] | 27 | ACC_LIST_LOCAL_FILTER, |
| 28 | ACC_LIST_GLOBAL_FILTER, |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 29 | }; |
| 30 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 31 | struct bsc_msg_acc_lst { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 32 | struct llist_head list; |
| 33 | |
| 34 | /* counter */ |
| 35 | struct rate_ctr_group *stats; |
| 36 | |
| 37 | /* the name of the list */ |
| 38 | const char *name; |
| 39 | struct llist_head fltr_list; |
| 40 | }; |
| 41 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 42 | struct bsc_msg_acc_lst_entry { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 43 | struct llist_head list; |
| 44 | |
| 45 | /* the filter */ |
| 46 | char *imsi_allow; |
| 47 | regex_t imsi_allow_re; |
| 48 | char *imsi_deny; |
| 49 | regex_t imsi_deny_re; |
| 50 | |
| 51 | /* reject reasons for the access lists */ |
| 52 | int cm_reject_cause; |
| 53 | int lu_reject_cause; |
| 54 | }; |
| 55 | |
Holger Hans Peter Freyther | c652913 | 2015-04-05 21:03:49 +0200 | [diff] [blame] | 56 | enum { |
| 57 | FLT_CON_TYPE_NONE, |
| 58 | FLT_CON_TYPE_LU, |
| 59 | FLT_CON_TYPE_CM_SERV_REQ, |
| 60 | FLT_CON_TYPE_PAG_RESP, |
| 61 | FLT_CON_TYPE_SSA, |
| 62 | FLT_CON_TYPE_LOCAL_REJECT, |
| 63 | FLT_CON_TYPE_OTHER, |
| 64 | }; |
| 65 | |
| 66 | |
Holger Hans Peter Freyther | c09f8a3 | 2015-04-05 19:13:27 +0200 | [diff] [blame] | 67 | struct bsc_filter_state { |
| 68 | char *imsi; |
| 69 | int imsi_checked; |
Holger Hans Peter Freyther | c652913 | 2015-04-05 21:03:49 +0200 | [diff] [blame] | 70 | int con_type; |
Holger Hans Peter Freyther | c09f8a3 | 2015-04-05 19:13:27 +0200 | [diff] [blame] | 71 | }; |
| 72 | |
Holger Hans Peter Freyther | 4e8176d | 2015-04-05 19:20:09 +0200 | [diff] [blame] | 73 | struct bsc_filter_request { |
| 74 | void *ctx; |
| 75 | struct rb_root *black_list; |
| 76 | struct llist_head *access_lists; |
| 77 | const char *local_lst_name; |
| 78 | const char *global_lst_name; |
| 79 | int bsc_nr; |
| 80 | }; |
| 81 | |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 82 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 83 | int bsc_filter_barr_adapt(void *ctx, struct rb_root *rbtree, const struct osmo_config_list *); |
| 84 | int bsc_filter_barr_find(struct rb_root *root, const char *imsi, int *cm, int *lu); |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 85 | |
| 86 | /** |
| 87 | * Content filtering. |
| 88 | */ |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 89 | int bsc_msg_filter_initial(struct gsm48_hdr *hdr, size_t size, |
Holger Hans Peter Freyther | 4e8176d | 2015-04-05 19:20:09 +0200 | [diff] [blame] | 90 | struct bsc_filter_request *req, |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 91 | int *con_type, char **imsi, |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 92 | struct bsc_filter_reject_cause *cause); |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 93 | int bsc_msg_filter_data(struct gsm48_hdr *hdr, size_t size, |
Holger Hans Peter Freyther | 4e8176d | 2015-04-05 19:20:09 +0200 | [diff] [blame] | 94 | struct bsc_filter_request *req, |
Holger Hans Peter Freyther | c09f8a3 | 2015-04-05 19:13:27 +0200 | [diff] [blame] | 95 | struct bsc_filter_state *state, |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 96 | struct bsc_filter_reject_cause *cause); |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 97 | |
Holger Hans Peter Freyther | 4579bb1 | 2015-04-04 21:55:08 +0200 | [diff] [blame] | 98 | /* IMSI allow/deny handling */ |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 99 | struct bsc_msg_acc_lst *bsc_msg_acc_lst_find(struct llist_head *lst, const char *name); |
| 100 | struct bsc_msg_acc_lst *bsc_msg_acc_lst_get(void *ctx, struct llist_head *lst, const char *name); |
| 101 | void bsc_msg_acc_lst_delete(struct bsc_msg_acc_lst *lst); |
Holger Hans Peter Freyther | 4579bb1 | 2015-04-04 21:55:08 +0200 | [diff] [blame] | 102 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 103 | struct bsc_msg_acc_lst_entry *bsc_msg_acc_lst_entry_create(struct bsc_msg_acc_lst *); |
| 104 | int bsc_msg_acc_lst_check_allow(struct bsc_msg_acc_lst *lst, const char *imsi); |
Holger Hans Peter Freyther | 4579bb1 | 2015-04-04 21:55:08 +0200 | [diff] [blame] | 105 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 106 | void bsc_msg_lst_vty_init(void *ctx, struct llist_head *lst, int node); |
| 107 | void bsc_msg_acc_lst_write(struct vty *vty, struct bsc_msg_acc_lst *lst); |