filter: Move the method definition to the filter module
Move the filter methods to the filter module. This is
still only usable for the NAT and the _dt/_cr filter
routines need to move back to the bsc_nat in the long
run.
diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am
index d2b30de..254f43d 100644
--- a/openbsc/include/openbsc/Makefile.am
+++ b/openbsc/include/openbsc/Makefile.am
@@ -16,7 +16,7 @@
arfcn_range_encode.h nat_rewrite_trie.h bsc_nat_callstats.h \
osmux.h mgcp_transcode.h gprs_utils.h \
gprs_gb_parse.h smpp.h meas_feed.h gprs_gsup_messages.h \
- gprs_gsup_client.h
+ gprs_gsup_client.h bsc_msg_filter.h
openbsc_HEADERS = gsm_04_08.h meas_rep.h bsc_api.h
openbscdir = $(includedir)/openbsc
diff --git a/openbsc/include/openbsc/bsc_msg_filter.h b/openbsc/include/openbsc/bsc_msg_filter.h
new file mode 100644
index 0000000..d9b3f6b
--- /dev/null
+++ b/openbsc/include/openbsc/bsc_msg_filter.h
@@ -0,0 +1,71 @@
+#pragma once
+
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/msgfile.h>
+#include <osmocom/core/linuxrbtree.h>
+#include <osmocom/core/linuxlist.h>
+
+#include <regex.h>
+
+/* TODO: remove */
+struct bsc_nat_parsed;
+struct bsc_connection;
+struct nat_sccp_connection;
+
+struct bsc_nat_reject_cause {
+ int lu_reject_cause;
+ int cm_reject_cause;
+};
+
+struct bsc_nat_barr_entry {
+ struct rb_node node;
+
+ char *imsi;
+ int cm_reject_cause;
+ int lu_reject_cause;
+};
+
+enum bsc_nat_acc_ctr {
+ ACC_LIST_BSC_FILTER,
+ ACC_LIST_NAT_FILTER,
+};
+
+struct bsc_nat_acc_lst {
+ struct llist_head list;
+
+ /* counter */
+ struct rate_ctr_group *stats;
+
+ /* the name of the list */
+ const char *name;
+ struct llist_head fltr_list;
+};
+
+struct bsc_nat_acc_lst_entry {
+ struct llist_head list;
+
+ /* the filter */
+ char *imsi_allow;
+ regex_t imsi_allow_re;
+ char *imsi_deny;
+ regex_t imsi_deny_re;
+
+ /* reject reasons for the access lists */
+ int cm_reject_cause;
+ int lu_reject_cause;
+};
+
+
+int bsc_nat_barr_adapt(void *ctx, struct rb_root *rbtree, const struct osmo_config_list *);
+int bsc_nat_barr_find(struct rb_root *root, const char *imsi, int *cm, int *lu);
+
+/**
+ * Content filtering.
+ */
+int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg,
+ struct bsc_nat_parsed *, int *con_type, char **imsi,
+ struct bsc_nat_reject_cause *cause);
+int bsc_nat_filter_dt(struct bsc_connection *bsc, struct msgb *msg,
+ struct nat_sccp_connection *con, struct bsc_nat_parsed *parsed,
+ struct bsc_nat_reject_cause *cause);
+
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index 19144e3..de709c3 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -229,36 +229,6 @@
} ussd;
};
-enum bsc_nat_acc_ctr {
- ACC_LIST_BSC_FILTER,
- ACC_LIST_NAT_FILTER,
-};
-
-struct bsc_nat_acc_lst {
- struct llist_head list;
-
- /* counter */
- struct rate_ctr_group *stats;
-
- /* the name of the list */
- const char *name;
- struct llist_head fltr_list;
-};
-
-struct bsc_nat_acc_lst_entry {
- struct llist_head list;
-
- /* the filter */
- char *imsi_allow;
- regex_t imsi_allow_re;
- char *imsi_deny;
- regex_t imsi_deny_re;
-
- /* reject reasons for the access lists */
- int cm_reject_cause;
- int lu_reject_cause;
-};
-
/**
* the structure of the "nat" network
*/
@@ -355,11 +325,6 @@
struct osmo_timer_list auth_timeout;
};
-struct bsc_nat_reject_cause {
- int lu_reject_cause;
- int cm_reject_cause;
-};
-
/* create and init the structures */
struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token);
struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num);
@@ -390,16 +355,6 @@
int bsc_nat_find_paging(struct msgb *msg, const uint8_t **,int *len);
/**
- * Content filtering.
- */
-int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg,
- struct bsc_nat_parsed *, int *con_type, char **imsi,
- struct bsc_nat_reject_cause *cause);
-int bsc_nat_filter_dt(struct bsc_connection *bsc, struct msgb *msg,
- struct nat_sccp_connection *con, struct bsc_nat_parsed *parsed,
- struct bsc_nat_reject_cause *cause);
-
-/**
* SCCP patching and handling
*/
struct nat_sccp_connection *create_sccp_src_ref(struct bsc_connection *bsc, struct bsc_nat_parsed *parsed);
@@ -478,17 +433,6 @@
void bsc_nat_num_rewr_entry_adapt(void *ctx, struct llist_head *head, const struct osmo_config_list *);
-struct bsc_nat_barr_entry {
- struct rb_node node;
-
- char *imsi;
- int cm_reject_cause;
- int lu_reject_cause;
-};
-
-int bsc_nat_barr_adapt(void *ctx, struct rb_root *rbtree, const struct osmo_config_list *);
-int bsc_nat_barr_find(struct rb_root *root, const char *imsi, int *cm, int *lu);
-
void bsc_nat_send_mgcp_to_msc(struct bsc_nat *bsc_nat, struct msgb *msg);
void bsc_nat_handle_mgcp(struct bsc_nat *bsc, struct msgb *msg);