Forgot to check in a couple of files.

[trust_router.git] / common / tr_gss.c

diff --git a/common/tr_gss.c b/common/tr_gss.c
new file mode 100644 (file)
index 0000000..e1ae99b
--- /dev/null
+++ b/common/tr_gss.c
@@ -0,0 +1,95 @@
+#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);
+}