X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=include%2Ftr_filter.h;h=d241a500957b8206b2e5343c0b23ad8f3247be3b;hb=3feea37388d58efac91a7e10b85043bb52c8bf19;hp=8694469aa81e50d7deaa9dd81f99a1c1f73f934c;hpb=1d13e7050e25b390b66fbe6b7bded1b3bed97db4;p=trust_router.git

diff --git a/include/tr_filter.h b/include/tr_filter.h
index 8694469..d241a50 100644
--- a/include/tr_filter.h
+++ b/include/tr_filter.h
@@ -32,9 +32,135 @@
  *
  */
 
-#ifndef TR_CONFIG_H
-#define TR_CONFIG_H
+#ifndef TR_FILTER_H
+#define TR_FILTER_H
 
-int tr_prefix_wildcard_match (char *str, char *wc_str);
+#include <talloc.h>
+#include <jansson.h>
+#include <glib.h>
+
+#include <tr_list.h>
+#include <tr_name_internal.h>
+#include <trust_router/tr_constraint.h>
+#include <trust_router/tid.h>
+#include <trust_router/trp.h>
+
+/* Filter actions */
+typedef enum tr_filter_action {
+  TR_FILTER_ACTION_REJECT = 0,
+  TR_FILTER_ACTION_ACCEPT,
+  TR_FILTER_ACTION_UNKNOWN
+} TR_FILTER_ACTION;
+
+/* Match codes */
+#define TR_FILTER_MATCH 0
+#define TR_FILTER_NO_MATCH 1
+
+/* Filter types */
+typedef enum {
+  TR_FILTER_TYPE_TID_INBOUND = 0,
+  TR_FILTER_TYPE_TRP_INBOUND,
+  TR_FILTER_TYPE_TRP_OUTBOUND,
+  TR_FILTER_TYPE_UNKNOWN
+} TR_FILTER_TYPE;
+
+typedef struct tr_fspec {
+  TR_NAME *field;
+  TR_LIST *match;
+} TR_FSPEC;
+
+typedef struct tr_fline {
+  TR_FILTER_ACTION action;
+  TR_LIST *specs;
+  TR_CONSTRAINT *realm_cons;
+  TR_CONSTRAINT *domain_cons;
+} TR_FLINE;
+
+typedef struct tr_filter {
+  TR_FILTER_TYPE type;
+  TR_LIST *lines;
+} TR_FILTER;
+
+typedef struct tr_filter_set TR_FILTER_SET;
+struct tr_filter_set {
+  TR_FILTER *this;
+  TR_FILTER_SET *next;
+};
+
+/**
+ * Structure to hold information needed to filter different targets.
+ */
+typedef struct tr_filter_target {
+  /* An inforec also needs realm and community information */
+  TRP_INFOREC *trp_inforec;
+  TRP_UPD *trp_upd;
+
+  /* a TID request has all the data it needs to be filtered */
+  TID_REQ *tid_req;
+} TR_FILTER_TARGET;
+
+TR_FILTER_SET *tr_filter_set_new(TALLOC_CTX *mem_ctx);
+void tr_filter_set_free(TR_FILTER_SET *fs);
+int tr_filter_set_add(TR_FILTER_SET *set, TR_FILTER *new);
+TR_FILTER *tr_filter_set_get(TR_FILTER_SET *set, TR_FILTER_TYPE type);
+
+TR_FILTER *tr_filter_new(TALLOC_CTX *mem_ctx);
+void tr_filter_free(TR_FILTER *filt);
+
+void tr_filter_set_type(TR_FILTER *filt, TR_FILTER_TYPE type);
+TR_FILTER_TYPE tr_filter_get_type(TR_FILTER *filt);
+TR_FLINE *tr_filter_add_line(TR_FILTER *filt, TR_FLINE *line);
+
+TR_FLINE *tr_fline_new(TALLOC_CTX *mem_ctx);
+void tr_fline_free(TR_FLINE *fline);
+TR_FSPEC *tr_fline_add_spec(TR_FLINE *fline, TR_FSPEC *spec);
+
+TR_FSPEC *tr_fspec_new(TALLOC_CTX *mem_ctx);
+void tr_fspec_free(TR_FSPEC *fspec);
+TR_NAME *tr_fspec_add_match(TR_FSPEC *fspec, TR_NAME *match);
+
+int tr_fspec_matches(TR_FSPEC *fspec, TR_FILTER_TYPE ftype, TR_FILTER_TARGET *target);
+
+/* Iterator for TR_FILTER lines */
+typedef TR_LIST_ITER TR_FILTER_ITER;
+#define tr_filter_iter_new(CTX) (tr_list_iter_new(CTX))
+#define tr_filter_iter_free(ITER) (tr_list_iter_free(ITER))
+#define tr_filter_iter_first(ITER, FILT) ((TR_FLINE *) tr_list_iter_first((ITER), (FILT)->lines))
+#define tr_filter_iter_next(ITER) ((TR_FLINE *) tr_list_iter_next(ITER))
+#define tr_filter_add_line(FILT, LINE) ((TR_FLINE *) tr_list_add((FILT)->lines, (LINE), 1))
+
+/* Iterator for TR_FSPEC matches */
+typedef TR_LIST_ITER TR_FSPEC_ITER;
+#define tr_fspec_iter_new(CTX) (tr_list_iter_new(CTX))
+#define tr_fspec_iter_free(ITER) (tr_list_iter_free(ITER))
+#define tr_fspec_iter_first(ITER, SPEC) (tr_list_iter_first((ITER), (SPEC)->match))
+#define tr_fspec_iter_next(ITER) (tr_list_iter_next(ITER))
+#define tr_fspec_add_match(SPEC, MATCH) ((TR_NAME *) tr_list_add((SPEC)->match, (MATCH), 0))
+
+/* Iterator for TR_FLINE specs */
+typedef TR_LIST_ITER TR_FLINE_ITER;
+#define tr_fline_iter_new(CTX) (tr_list_iter_new(CTX))
+#define tr_fline_iter_free(ITER) (tr_list_iter_free(ITER))
+#define tr_fline_iter_first(ITER, LINE) (tr_list_iter_first((ITER), (LINE)->specs))
+#define tr_fline_iter_next(ITER) (tr_list_iter_next(ITER))
+#define tr_fline_add_spec(LINE, SPEC) ((TR_NAME *) tr_list_add((LINE)->specs, (SPEC), 1))
+
+/*In tr_constraint.c and exported, but not really a public symbol; needed by tr_filter.c and by tr_constraint.c*/
+int TR_EXPORT tr_prefix_wildcard_match(const char *str, const char *wc_str);
+
+int tr_filter_apply(TR_FILTER_TARGET *target, TR_FILTER *filt, TR_CONSTRAINT_SET **constraints, TR_FILTER_ACTION *out_action);
+void tr_filter_target_free(TR_FILTER_TARGET *target);
+TR_FILTER_TARGET *tr_filter_target_tid_req(TALLOC_CTX *mem_ctx, TID_REQ *req);
+TR_FILTER_TARGET *tr_filter_target_trp_inforec(TALLOC_CTX *mem_ctx, TRP_UPD *upd, TRP_INFOREC *inforec);
+
+TR_CONSTRAINT_SET *tr_constraint_set_from_fline(TR_FLINE *fline);
+
+int tr_filter_validate(TR_FILTER *filt);
+int tr_filter_validate_spec_field(TR_FILTER_TYPE ftype, TR_FSPEC *fspec);
+const char *tr_filter_type_to_string(TR_FILTER_TYPE ftype);
+TR_FILTER_TYPE tr_filter_type_from_string(const char *s);
+
+/* tr_filter_encoders.c */
+json_t *tr_filter_set_to_json(TR_FILTER_SET *filter_set);
 
 #endif