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 | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 13 | /* TODO: remove */ |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 14 | struct bsc_connection; |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 15 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 16 | struct bsc_filter_reject_cause { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 17 | int lu_reject_cause; |
| 18 | int cm_reject_cause; |
| 19 | }; |
| 20 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 21 | struct bsc_filter_barr_entry { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 22 | struct rb_node node; |
| 23 | |
| 24 | char *imsi; |
| 25 | int cm_reject_cause; |
| 26 | int lu_reject_cause; |
| 27 | }; |
| 28 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 29 | enum bsc_filter_acc_ctr { |
Holger Hans Peter Freyther | 14b2cd9 | 2015-04-05 16:50:34 +0200 | [diff] [blame] | 30 | ACC_LIST_LOCAL_FILTER, |
| 31 | ACC_LIST_GLOBAL_FILTER, |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 32 | }; |
| 33 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 34 | struct bsc_msg_acc_lst { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 35 | struct llist_head list; |
| 36 | |
| 37 | /* counter */ |
| 38 | struct rate_ctr_group *stats; |
| 39 | |
| 40 | /* the name of the list */ |
| 41 | const char *name; |
| 42 | struct llist_head fltr_list; |
| 43 | }; |
| 44 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 45 | struct bsc_msg_acc_lst_entry { |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 46 | struct llist_head list; |
| 47 | |
| 48 | /* the filter */ |
| 49 | char *imsi_allow; |
| 50 | regex_t imsi_allow_re; |
| 51 | char *imsi_deny; |
| 52 | regex_t imsi_deny_re; |
| 53 | |
| 54 | /* reject reasons for the access lists */ |
| 55 | int cm_reject_cause; |
| 56 | int lu_reject_cause; |
| 57 | }; |
| 58 | |
Holger Hans Peter Freyther | c09f8a3 | 2015-04-05 19:13:27 +0200 | [diff] [blame^] | 59 | struct bsc_filter_state { |
| 60 | char *imsi; |
| 61 | int imsi_checked; |
| 62 | }; |
| 63 | |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 64 | |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 65 | int bsc_filter_barr_adapt(void *ctx, struct rb_root *rbtree, const struct osmo_config_list *); |
| 66 | 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] | 67 | |
| 68 | /** |
| 69 | * Content filtering. |
| 70 | */ |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 71 | int bsc_msg_filter_initial(struct gsm48_hdr *hdr, size_t size, |
| 72 | struct bsc_connection *bsc, |
| 73 | int *con_type, char **imsi, |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 74 | struct bsc_filter_reject_cause *cause); |
Holger Hans Peter Freyther | 4ba947b | 2015-04-05 18:07:45 +0200 | [diff] [blame] | 75 | int bsc_msg_filter_data(struct gsm48_hdr *hdr, size_t size, |
| 76 | struct bsc_connection *bsc, |
Holger Hans Peter Freyther | c09f8a3 | 2015-04-05 19:13:27 +0200 | [diff] [blame^] | 77 | struct bsc_filter_state *state, |
Holger Hans Peter Freyther | c36a6d5 | 2015-04-05 16:55:28 +0200 | [diff] [blame] | 78 | struct bsc_filter_reject_cause *cause); |
Holger Hans Peter Freyther | 973dbae | 2015-04-04 20:47:03 +0200 | [diff] [blame] | 79 | |
Holger Hans Peter Freyther | 4579bb1 | 2015-04-04 21:55:08 +0200 | [diff] [blame] | 80 | /* IMSI allow/deny handling */ |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 81 | struct bsc_msg_acc_lst *bsc_msg_acc_lst_find(struct llist_head *lst, const char *name); |
| 82 | struct bsc_msg_acc_lst *bsc_msg_acc_lst_get(void *ctx, struct llist_head *lst, const char *name); |
| 83 | 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] | 84 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 85 | struct bsc_msg_acc_lst_entry *bsc_msg_acc_lst_entry_create(struct bsc_msg_acc_lst *); |
| 86 | 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] | 87 | |
Holger Hans Peter Freyther | a1e6bd6 | 2015-04-04 22:40:12 +0200 | [diff] [blame] | 88 | void bsc_msg_lst_vty_init(void *ctx, struct llist_head *lst, int node); |
| 89 | void bsc_msg_acc_lst_write(struct vty *vty, struct bsc_msg_acc_lst *lst); |