--- /dev/null
+/*
+ * Copyright (c) 2018 JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <talloc.h>
+#include <jansson.h>
+
+#include <tr_filter.h>
+#include <tr_constraint_internal.h>
+#include <tr_json_util.h>
+
+typedef json_t *(ITEM_ENCODER_FUNC)(void *);
+
+enum array_type {
+ ARRAY_TYPE_FSPEC,
+ ARRAY_TYPE_CONSTRAINT
+};
+/**
+ * Make an array of matches from a TR_FSPEC or TR_CONSTRAINT
+ *
+ * @param obj
+ * @param type
+ * @return
+ */
+static json_t *tr_names_to_json_array(void *obj, enum array_type type)
+{
+ json_t *jarray = json_array();
+ json_t *retval = NULL;
+ TR_FSPEC_ITER fspec_iter = {0};
+ TR_CONSTRAINT_ITER cons_iter = {0};
+ TR_NAME *this_match = NULL;
+
+ if (jarray == NULL)
+ goto cleanup;
+
+ switch(type) {
+ case ARRAY_TYPE_FSPEC:
+ this_match = tr_fspec_iter_first(&fspec_iter, (TR_FSPEC *)obj);
+ break;
+
+ case ARRAY_TYPE_CONSTRAINT:
+ this_match = tr_constraint_iter_first(&cons_iter, (TR_CONSTRAINT *)obj);
+ break;
+ }
+ while(this_match) {
+ ARRAY_APPEND_OR_FAIL(jarray, tr_name_to_json_string(this_match));
+ switch(type) {
+ case ARRAY_TYPE_FSPEC:
+ this_match = tr_fspec_iter_next(&fspec_iter);
+ break;
+
+ case ARRAY_TYPE_CONSTRAINT:
+ this_match = tr_constraint_iter_next(&cons_iter);
+ break;
+ }
+ }
+ /* success */
+ retval = jarray;
+ json_incref(retval);
+
+cleanup:
+ if (jarray)
+ json_decref(jarray);
+
+ return retval;
+}
+
+static json_t *tr_fspec_to_json(TR_FSPEC *fspec)
+{
+ json_t *fspec_json = NULL;
+ json_t *retval = NULL;
+
+ fspec_json = json_object();
+ if (fspec_json == NULL)
+ goto cleanup;
+
+ OBJECT_SET_OR_FAIL(fspec_json, "field",
+ tr_name_to_json_string(fspec->field));
+ OBJECT_SET_OR_FAIL(fspec_json, "matches",
+ tr_names_to_json_array(fspec, ARRAY_TYPE_FSPEC));
+
+ /* succeeded - set the return value and increment the reference count */
+ retval = fspec_json;
+ json_incref(retval);
+
+cleanup:
+ if (fspec_json)
+ json_decref(fspec_json);
+ return retval;
+}
+
+static json_t *tr_fspecs_to_json_array(TR_FLINE *fline)
+{
+ json_t *jarray = json_array();
+ json_t *retval = NULL;
+ TR_FLINE_ITER *iter = tr_fline_iter_new(NULL);
+ TR_FSPEC *this_fspec = NULL;
+
+ if ((jarray == NULL) || (iter == NULL))
+ goto cleanup;
+
+ for (this_fspec = tr_fline_iter_first(iter, fline);
+ this_fspec != NULL;
+ this_fspec = tr_fline_iter_next(iter)) {
+ ARRAY_APPEND_OR_FAIL(jarray, tr_fspec_to_json(this_fspec));
+ }
+ /* success */
+ retval = jarray;
+ json_incref(retval);
+
+cleanup:
+ if (jarray)
+ json_decref(jarray);
+ if (iter)
+ tr_fline_iter_free(iter);
+
+ return retval;
+}
+
+static json_t *tr_fline_to_json(TR_FLINE *fline)
+{
+ json_t *fline_json = NULL;
+ json_t *retval = NULL;
+
+ fline_json = json_object();
+ if (fline_json == NULL)
+ goto cleanup;
+
+ OBJECT_SET_OR_FAIL(fline_json, "action",
+ json_string( (fline->action == TR_FILTER_ACTION_ACCEPT) ? "accept" : "reject"));
+ OBJECT_SET_OR_FAIL(fline_json, "specs",
+ tr_fspecs_to_json_array(fline));
+ if (fline->realm_cons) {
+ OBJECT_SET_OR_FAIL(fline_json, "realm_constraints",
+ tr_names_to_json_array(fline->realm_cons, ARRAY_TYPE_CONSTRAINT));
+ }
+ if (fline->domain_cons) {
+ OBJECT_SET_OR_FAIL(fline_json, "domain_constraints",
+ tr_names_to_json_array(fline->domain_cons, ARRAY_TYPE_CONSTRAINT));
+ }
+
+ /* succeeded - set the return value and increment the reference count */
+ retval = fline_json;
+ json_incref(retval);
+
+cleanup:
+ if (fline_json)
+ json_decref(fline_json);
+ return retval;
+}
+
+static json_t *tr_flines_to_json_array(TR_FILTER *filt)
+{
+ json_t *jarray = json_array();
+ json_t *retval = NULL;
+ TR_FILTER_ITER *iter = tr_filter_iter_new(NULL);
+ TR_FLINE *this_fline = NULL;
+
+ if ((jarray == NULL) || (iter == NULL))
+ goto cleanup;
+
+ for(this_fline = tr_filter_iter_first(iter, filt);
+ this_fline != NULL;
+ this_fline = tr_filter_iter_next(iter)) {
+ ARRAY_APPEND_OR_FAIL(jarray, tr_fline_to_json(this_fline));
+ }
+ /* success */
+ retval = jarray;
+ json_incref(retval);
+
+cleanup:
+ if (jarray)
+ json_decref(jarray);
+ if (iter)
+ tr_filter_iter_free(iter);
+
+ return retval;
+}
+json_t *tr_filter_set_to_json(TR_FILTER_SET *filter_set)
+{
+ json_t *fset_json = NULL;
+ json_t *retval = NULL;
+ TR_FILTER *filt = NULL;
+ TR_FILTER_TYPE *filt_type = NULL;
+ TR_FILTER_TYPE types[] = {
+ TR_FILTER_TYPE_TID_INBOUND,
+ TR_FILTER_TYPE_TRP_INBOUND,
+ TR_FILTER_TYPE_TRP_OUTBOUND,
+ TR_FILTER_TYPE_UNKNOWN /* list terminator */
+ };
+
+ fset_json = json_object();
+ if (fset_json == NULL)
+ goto cleanup;
+
+ for (filt_type = types; *filt_type != TR_FILTER_TYPE_UNKNOWN; filt_type++) {
+ filt = tr_filter_set_get(filter_set, *filt_type);
+ if (filt) {
+ OBJECT_SET_OR_FAIL(fset_json, tr_filter_type_to_string(*filt_type),
+ tr_flines_to_json_array(filt));
+ }
+ }
+
+ /* succeeded - set the return value and increment the reference count */
+ retval = fset_json;
+ json_incref(retval);
+
+cleanup:
+ if (fset_json)
+ json_decref(fset_json);
+ return retval;
+}
+
projects / trust_router.git / blobdiff