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41 #include <tr_name_internal.h>
42 #include <trust_router/tr_constraint.h>
43 #include <trust_router/tid.h>
44 #include <trust_router/trp.h>
46 #define TR_MAX_FILTERS 5
47 #define TR_MAX_FILTER_LINES 8
48 #define TR_MAX_FILTER_SPECS 8
49 #define TR_MAX_FILTER_SPEC_MATCHES 64
52 typedef enum tr_filter_action {
53 TR_FILTER_ACTION_REJECT = 0,
54 TR_FILTER_ACTION_ACCEPT,
55 TR_FILTER_ACTION_UNKNOWN
59 #define TR_FILTER_MATCH 0
60 #define TR_FILTER_NO_MATCH 1
64 TR_FILTER_TYPE_TID_INBOUND = 0,
65 TR_FILTER_TYPE_TRP_INBOUND,
66 TR_FILTER_TYPE_TRP_OUTBOUND,
67 TR_FILTER_TYPE_UNKNOWN
70 typedef struct tr_fspec {
72 TR_NAME *match[TR_MAX_FILTER_SPEC_MATCHES];
75 typedef struct tr_fline {
76 TR_FILTER_ACTION action;
77 TR_FSPEC *specs[TR_MAX_FILTER_SPECS];
78 TR_CONSTRAINT *realm_cons;
79 TR_CONSTRAINT *domain_cons;
82 typedef struct tr_filter {
84 TR_FLINE *lines[TR_MAX_FILTER_LINES];
88 typedef struct tr_filter_set TR_FILTER_SET;
89 struct tr_filter_set {
95 * Structure to hold information needed to filter different targets.
97 typedef struct tr_filter_target {
98 /* An inforec also needs realm and community information */
99 TRP_INFOREC *trp_inforec;
102 /* a TID request has all the data it needs to be filtered */
106 TR_FILTER_SET *tr_filter_set_new(TALLOC_CTX *mem_ctx);
107 void tr_filter_set_free(TR_FILTER_SET *fs);
108 int tr_filter_set_add(TR_FILTER_SET *set, TR_FILTER *new);
109 TR_FILTER *tr_filter_set_get(TR_FILTER_SET *set, TR_FILTER_TYPE type);
111 TR_FILTER *tr_filter_new(TALLOC_CTX *mem_ctx);
113 void tr_filter_free(TR_FILTER *filt);
115 void tr_filter_set_type(TR_FILTER *filt, TR_FILTER_TYPE type);
117 TR_FILTER_TYPE tr_filter_get_type(TR_FILTER *filt);
119 TR_FLINE *tr_fline_new(TALLOC_CTX *mem_ctx);
121 void tr_fline_free(TR_FLINE *fline);
123 TR_FSPEC *tr_fspec_new(TALLOC_CTX *mem_ctx);
125 void tr_fspec_free(TR_FSPEC *fspec);
127 void tr_fspec_add_match(TR_FSPEC *fspec, TR_NAME *match);
129 int tr_fspec_matches(TR_FSPEC *fspec, TR_FILTER_TYPE ftype, TR_FILTER_TARGET *target);
132 /*In tr_constraint.c and exported, but not really a public symbol; needed by tr_filter.c and by tr_constraint.c*/
133 int TR_EXPORT tr_prefix_wildcard_match(const char *str, const char *wc_str);
135 int tr_filter_apply(TR_FILTER_TARGET *target, TR_FILTER *filt, TR_CONSTRAINT_SET **constraints, TR_FILTER_ACTION *out_action);
136 void tr_filter_target_free(TR_FILTER_TARGET *target);
137 TR_FILTER_TARGET *tr_filter_target_tid_req(TALLOC_CTX *mem_ctx, TID_REQ *req);
138 TR_FILTER_TARGET *tr_filter_target_trp_inforec(TALLOC_CTX *mem_ctx, TRP_UPD *upd, TRP_INFOREC *inforec);
140 TR_CONSTRAINT_SET *tr_constraint_set_from_fline(TR_FLINE *fline);
142 int tr_filter_validate(TR_FILTER *filt);
143 int tr_filter_validate_spec_field(TR_FILTER_TYPE ftype, TR_FSPEC *fspec);
144 const char *tr_filter_type_to_string(TR_FILTER_TYPE ftype);
145 TR_FILTER_TYPE tr_filter_type_from_string(const char *s);
147 /* tr_filter_encoders.c */
148 json_t *tr_filter_set_to_json(TR_FILTER_SET *filter_set);