--- /dev/null
+/*
+ * Copyright (c) 2016, 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 <glib.h>
+
+#include <tr_gss_names.h>
+#include <tr_debug.h>
+
+/**
+ * Helper for tr_gss_names_destructor - calls tr_free_name on its first argument
+ *
+ * @param item void pointer to a TR_NAME
+ * @param cookie ignored
+ */
+static void gss_names_destruct_helper(void *item, void *cookie)
+{
+ TR_NAME *name = (TR_NAME *) item;
+ tr_free_name(name);
+}
+static int tr_gss_names_destructor(void *obj)
+{
+ TR_GSS_NAMES *gss_names=talloc_get_type_abort(obj, TR_GSS_NAMES);
+ if (gss_names->names)
+ tr_list_foreach(gss_names->names, gss_names_destruct_helper, NULL);
+ return 0;
+}
+TR_GSS_NAMES *tr_gss_names_new(TALLOC_CTX *mem_ctx)
+{
+ TR_GSS_NAMES *gn = talloc(mem_ctx, TR_GSS_NAMES);
+ if (gn != NULL) {
+ gn->names = tr_list_new(gn);
+ if (gn->names == NULL) {
+ talloc_free(gn);
+ return NULL;
+ }
+ talloc_set_destructor((void *)gn, tr_gss_names_destructor);
+ }
+ return gn;
+}
+
+void tr_gss_names_free(TR_GSS_NAMES *gn)
+{
+ talloc_free(gn);
+}
+
+/* returns 0 on success */
+int tr_gss_names_add(TR_GSS_NAMES *gn, TR_NAME *new)
+{
+ return (NULL == tr_list_add(gn->names, new, 0)); /* nonzero if the add failed */
+}
+
+/**
+ * Create a duplicate GSS names struct
+ *
+ * @param mem_ctx
+ * @param orig
+ * @return
+ */
+TR_GSS_NAMES *tr_gss_names_dup(TALLOC_CTX *mem_ctx, TR_GSS_NAMES *orig)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+ TR_GSS_NAMES *new = tr_gss_names_new(tmp_ctx);
+ TR_GSS_NAMES_ITER *iter = tr_gss_names_iter_new(tmp_ctx);
+ TR_NAME *this = NULL;
+
+ if ( !orig || !new || !iter ) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ for (this = tr_gss_names_iter_first(iter, orig);
+ this != NULL;
+ this = tr_gss_names_iter_next(iter)) {
+ if (tr_gss_names_add(new, tr_dup_name(this)) != 0) {
+ talloc_free(tmp_ctx);
+ return NULL;
+ }
+ }
+ /* success */
+ talloc_steal(mem_ctx, new);
+ return new;
+}
+
+int tr_gss_names_matches(TR_GSS_NAMES *gn, TR_NAME *name)
+{
+ TR_GSS_NAMES_ITER iter={0};
+ TR_NAME *this = NULL;
+
+ if ((!gn) || (!name))
+ return 0;
+
+ for (this = tr_gss_names_iter_first(&iter, gn);
+ this != NULL;
+ this = tr_gss_names_iter_next(&iter)) {
+ if (tr_name_cmp(name, this) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+json_t *tr_gss_names_to_json_array(TR_GSS_NAMES *gss_names)
+{
+ TR_GSS_NAMES_ITER *iter = tr_gss_names_iter_new(NULL);
+ json_t *jarray = json_array();
+ TR_NAME *name = tr_gss_names_iter_first(iter, gss_names);
+ while (name) {
+ json_array_append_new(jarray, tr_name_to_json_string(name));
+ name = tr_gss_names_iter_next(iter);
+ }
+ tr_gss_names_iter_free(iter);
+ return jarray;
+}
+