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42 #include <tr_name_internal.h>
43 #include <trust_router/tr_constraint.h>
44 #include <trust_router/tid.h>
45 #include <trust_router/trp.h>
48 typedef enum tr_filter_action {
49 TR_FILTER_ACTION_REJECT = 0,
50 TR_FILTER_ACTION_ACCEPT,
51 TR_FILTER_ACTION_UNKNOWN
55 #define TR_FILTER_MATCH 0
56 #define TR_FILTER_NO_MATCH 1
60 TR_FILTER_TYPE_TID_INBOUND = 0,
61 TR_FILTER_TYPE_TRP_INBOUND,
62 TR_FILTER_TYPE_TRP_OUTBOUND,
63 TR_FILTER_TYPE_UNKNOWN
66 typedef struct tr_fspec {
71 typedef struct tr_fspec_iter {
76 typedef struct tr_fline {
77 TR_FILTER_ACTION action;
79 TR_CONSTRAINT *realm_cons;
80 TR_CONSTRAINT *domain_cons;
83 typedef struct tr_fline_iter {
88 typedef struct tr_filter {
93 typedef struct tr_filter_iter {
98 typedef struct tr_filter_set TR_FILTER_SET;
99 struct tr_filter_set {
105 * Structure to hold information needed to filter different targets.
107 typedef struct tr_filter_target {
108 /* An inforec also needs realm and community information */
109 TRP_INFOREC *trp_inforec;
112 /* a TID request has all the data it needs to be filtered */
116 TR_FILTER_SET *tr_filter_set_new(TALLOC_CTX *mem_ctx);
117 void tr_filter_set_free(TR_FILTER_SET *fs);
118 int tr_filter_set_add(TR_FILTER_SET *set, TR_FILTER *new);
119 TR_FILTER *tr_filter_set_get(TR_FILTER_SET *set, TR_FILTER_TYPE type);
121 TR_FILTER *tr_filter_new(TALLOC_CTX *mem_ctx);
122 void tr_filter_free(TR_FILTER *filt);
124 void tr_filter_set_type(TR_FILTER *filt, TR_FILTER_TYPE type);
125 TR_FILTER_TYPE tr_filter_get_type(TR_FILTER *filt);
126 TR_FLINE *tr_filter_add_line(TR_FILTER *filt, TR_FLINE *line);
128 TR_FLINE *tr_fline_new(TALLOC_CTX *mem_ctx);
129 void tr_fline_free(TR_FLINE *fline);
130 TR_FSPEC *tr_fline_add_spec(TR_FLINE *fline, TR_FSPEC *spec);
132 TR_FSPEC *tr_fspec_new(TALLOC_CTX *mem_ctx);
133 void tr_fspec_free(TR_FSPEC *fspec);
134 TR_NAME *tr_fspec_add_match(TR_FSPEC *fspec, TR_NAME *match);
136 int tr_fspec_matches(TR_FSPEC *fspec, TR_FILTER_TYPE ftype, TR_FILTER_TARGET *target);
138 TR_FILTER_ITER *tr_filter_iter_new(TALLOC_CTX *mem_ctx);
139 void tr_filter_iter_free(TR_FILTER_ITER *iter);
140 TR_FLINE *tr_filter_iter_first(TR_FILTER_ITER *iter, TR_FILTER *filter);
141 TR_FLINE *tr_filter_iter_next(TR_FILTER_ITER *iter);
143 TR_FLINE_ITER *tr_fline_iter_new(TALLOC_CTX *mem_ctx);
144 void tr_fline_iter_free(TR_FLINE_ITER *iter);
145 TR_FSPEC * tr_fline_iter_first(TR_FLINE_ITER *iter, TR_FLINE *fline);
146 TR_FSPEC * tr_fline_iter_next(TR_FLINE_ITER *iter);
148 TR_FSPEC_ITER *tr_fspec_iter_new(TALLOC_CTX *mem_ctx);
149 void tr_fspec_iter_free(TR_FSPEC_ITER *iter);
150 TR_NAME *tr_fspec_iter_first(TR_FSPEC_ITER *iter, TR_FSPEC *fspec);
151 TR_NAME *tr_fspec_iter_next(TR_FSPEC_ITER *iter);
153 /*In tr_constraint.c and exported, but not really a public symbol; needed by tr_filter.c and by tr_constraint.c*/
154 int TR_EXPORT tr_prefix_wildcard_match(const char *str, const char *wc_str);
156 int tr_filter_apply(TR_FILTER_TARGET *target, TR_FILTER *filt, TR_CONSTRAINT_SET **constraints, TR_FILTER_ACTION *out_action);
157 void tr_filter_target_free(TR_FILTER_TARGET *target);
158 TR_FILTER_TARGET *tr_filter_target_tid_req(TALLOC_CTX *mem_ctx, TID_REQ *req);
159 TR_FILTER_TARGET *tr_filter_target_trp_inforec(TALLOC_CTX *mem_ctx, TRP_UPD *upd, TRP_INFOREC *inforec);
161 TR_CONSTRAINT_SET *tr_constraint_set_from_fline(TR_FLINE *fline);
163 int tr_filter_validate(TR_FILTER *filt);
164 int tr_filter_validate_spec_field(TR_FILTER_TYPE ftype, TR_FSPEC *fspec);
165 const char *tr_filter_type_to_string(TR_FILTER_TYPE ftype);
166 TR_FILTER_TYPE tr_filter_type_from_string(const char *s);
168 /* tr_filter_encoders.c */
169 json_t *tr_filter_set_to_json(TR_FILTER_SET *filter_set);