1 files changed, 133 insertions, 0 deletions
diff --git a/src/lib/gssapi/mechglue/g_inq_cred_oid.c b/src/lib/gssapi/mechglue/g_inq_cred_oid.c
new file mode 100644
index 0000000..34056f6
--- /dev/null
+++ b/src/lib/gssapi/mechglue/g_inq_cred_oid.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2008 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ *
+ */
+
+/*
+ *  glue routine for gss_inquire_cred_by_oid
+ */
+
+#include "mglueP.h"
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <string.h>
+#include <time.h>
+
+static OM_uint32 append_to_buffer_set(OM_uint32 *minor_status,
+				      gss_buffer_set_t *dst,
+				      const gss_buffer_set_t src)
+{
+    size_t i;
+    OM_uint32 status;
+
+    if (src == GSS_C_NO_BUFFER_SET)
+	return GSS_S_COMPLETE;
+
+    if (*dst == GSS_C_NO_BUFFER_SET) {
+	status = gss_create_empty_buffer_set(minor_status, dst);
+	if (status != GSS_S_COMPLETE)
+	    return status;
+    }
+
+    status = GSS_S_COMPLETE;
+
+    for (i = 0; i < src->count; i++) { 
+	status = gss_add_buffer_set_member(minor_status,
+					   &src->elements[i],
+					   dst);
+	if (status != GSS_S_COMPLETE)
+	    break;
+    }
+
+    return status; 
+}
+
+OM_uint32 KRB5_CALLCONV
+gss_inquire_cred_by_oid(OM_uint32 *minor_status,
+	                const gss_cred_id_t cred_handle,
+	                const gss_OID desired_object,
+	                gss_buffer_set_t *data_set)
+{
+    gss_union_cred_t	union_cred;
+    gss_mechanism	mech;
+    int			i;
+    gss_buffer_set_t	union_set = GSS_C_NO_BUFFER_SET;
+    gss_buffer_set_t	ret_set = GSS_C_NO_BUFFER_SET;
+    OM_uint32		status, minor;
+
+    if (minor_status == NULL)
+	return GSS_S_CALL_INACCESSIBLE_WRITE;
+
+    if (cred_handle == GSS_C_NO_CREDENTIAL)
+	return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CRED;
+
+    *minor_status = 0;
+    *data_set = GSS_C_NO_BUFFER_SET;
+
+    union_cred = (gss_union_cred_t) cred_handle;
+
+    status = gss_create_empty_buffer_set(minor_status, &ret_set);
+    if (status != GSS_S_COMPLETE) {
+	return status;
+    }
+
+    status = GSS_S_BAD_MECH;
+
+    for (i = 0; i < union_cred->count; i++) {
+	mech = gssint_get_mechanism(&union_cred->mechs_array[i]);
+	if (mech == NULL)
+	    continue;
+
+	if (mech->gss_inquire_cred_by_oid == NULL)
+	    continue;
+
+	status = (mech->gss_inquire_cred_by_oid)(minor_status,
+						 union_cred->cred_array[i],
+						 desired_object,
+						 &ret_set);
+	if (status != GSS_S_COMPLETE) {
+	    map_error(minor_status, mech);
+	    continue;
+	}
+
+	if (union_cred->count == 1) {
+	    union_set = ret_set;
+	    break;
+	}
+
+	status = append_to_buffer_set(minor_status, &union_set, ret_set);	
+	gss_release_buffer_set(&minor, &ret_set);
+	if (status != GSS_S_COMPLETE)
+	    break;
+    }
+
+    if (status != GSS_S_COMPLETE)
+	gss_release_buffer_set(&minor, &union_set);
+
+    *data_set = union_set;
+
+    return status;
+}
+