--- /dev/null
+#include <talloc.h>
+
+#include <tr_gss.h>
+
+static int tr_gss_names_destructor(void *obj)
+{
+ TR_GSS_NAMES *gss_names=talloc_get_type_abort(obj, TR_GSS_NAMES);
+ int ii=0;
+
+ for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
+ if (gss_names->names[ii]!=NULL)
+ tr_free_name(gss_names->names[ii]);
+ }
+ return 0;
+}
+TR_GSS_NAMES *tr_gss_names_new(TALLOC_CTX *mem_ctx)
+{
+ TR_GSS_NAMES *gn=talloc(mem_ctx, TR_GSS_NAMES);
+ int ii=0;
+
+ if (gn!=NULL) {
+ for (ii=0; ii<TR_MAX_GSS_NAMES; ii++)
+ gn->names[ii]=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)
+{
+ int ii=0;
+
+ for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
+ if (gn->names[ii]==NULL)
+ break;
+ }
+ if (ii!=TR_MAX_GSS_NAMES) {
+ gn->names[ii]=new;
+ return 0;
+ } else
+ return -1;
+}
+
+int tr_gss_names_matches(TR_GSS_NAMES *gn, TR_NAME *name)
+{
+ int ii=0;
+
+ for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
+ if ((gn->names[ii]!=NULL) &&
+ (0==tr_name_cmp(gn->names[ii], name)))
+ return 1;
+ }
+ return 0;
+}
+
+/* iterators */
+TR_GSS_NAMES_ITER *tr_gss_names_iter_new(TALLOC_CTX *mem_ctx)
+{
+ TR_GSS_NAMES_ITER *iter=talloc(mem_ctx, TR_GSS_NAMES_ITER);
+ if (iter!=NULL) {
+ iter->gn=NULL;
+ iter->ii=0;
+ }
+ return iter;
+}
+
+TR_NAME *tr_gss_names_iter_first(TR_GSS_NAMES_ITER *iter, TR_GSS_NAMES *gn)
+{
+ iter->gn=gn;
+ iter->ii=-1;
+ return tr_gss_names_iter_next(iter);
+}
+
+TR_NAME *tr_gss_names_iter_next(TR_GSS_NAMES_ITER *iter)
+{
+ for (iter->ii++;
+ (iter->ii < TR_MAX_GSS_NAMES) && (iter->gn->names[iter->ii]==NULL);
+ iter->ii++) { }
+
+ if (iter->ii<TR_MAX_GSS_NAMES)
+ return iter->gn->names[iter->ii];
+
+ return NULL;
+}
+
+void tr_gss_names_iter_free(TR_GSS_NAMES_ITER *iter)
+{
+ talloc_free(iter);
+}
--- /dev/null
+#ifndef __TR_GSS_H__
+#define __TR_GSS_H__
+
+#include <talloc.h>
+#include <trust_router/tr_name.h>
+
+#define TR_MAX_GSS_NAMES 5
+
+typedef struct tr_gss_names {
+ TR_NAME *names[TR_MAX_GSS_NAMES];
+} TR_GSS_NAMES;
+
+typedef struct tr_gss_names_iter {
+ TR_GSS_NAMES *gn;
+ int ii; /* which entry did we last output? */
+} TR_GSS_NAMES_ITER;
+
+TR_GSS_NAMES *tr_gss_names_new(TALLOC_CTX *mem_ctx);
+void tr_gss_names_free(TR_GSS_NAMES *gn);
+int tr_gss_names_add(TR_GSS_NAMES *gn, TR_NAME *new);
+int tr_gss_names_matches(TR_GSS_NAMES *gn, TR_NAME *name);
+
+TR_GSS_NAMES_ITER *tr_gss_names_iter_new(TALLOC_CTX *mem_ctx);
+TR_NAME *tr_gss_names_iter_first(TR_GSS_NAMES_ITER *iter, TR_GSS_NAMES *gn);
+TR_NAME *tr_gss_names_iter_next(TR_GSS_NAMES_ITER *iter);
+void tr_gss_names_iter_free(TR_GSS_NAMES_ITER *iter);
+
+#endif /* __TR_GSS_H__ */