Add gss support from citi @ umich

[nfs-utils.git] / support / gssapi / g_rel_cred.c

diff --git a/support/gssapi/g_rel_cred.c b/support/gssapi/g_rel_cred.c
new file mode 100644 (file)
index 0000000..27a6d82
--- /dev/null
+++ b/support/gssapi/g_rel_cred.c
@@ -0,0 +1,104 @@
+/* #ident  "@(#)gss_release_cred.c 1.15     95/08/07 SMI" */
+
+/*
+ * Copyright 1996 by Sun Microsystems, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appears in all copies and
+ * that both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Sun Microsystems not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. Sun Microsystems makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+ * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ *  glue routine for gss_release_cred
+ */
+
+#include "mglueP.h"
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+OM_uint32 KRB5_CALLCONV
+gss_release_cred(minor_status,
+                 cred_handle)
+
+OM_uint32 *            minor_status;
+gss_cred_id_t *                cred_handle;
+
+{
+    OM_uint32          status, temp_status;
+    int                        j;
+    gss_union_cred_t   union_cred;
+    gss_mechanism      mech;
+
+    gss_initialize();
+
+    if (minor_status)
+       *minor_status = 0;
+
+    /* if the cred_handle is null, return a NO_CRED error */
+
+    if (cred_handle == GSS_C_NO_CREDENTIAL)
+       return(GSS_S_NO_CRED);
+
+    /*
+     * Loop through the union_cred struct, selecting the approprate
+     * underlying mechanism routine and calling it. At the end,
+     * release all of the storage taken by the union_cred struct.
+     */
+
+    union_cred = (gss_union_cred_t) *cred_handle;
+    *cred_handle = NULL;
+
+    if (union_cred == NULL)
+       return GSS_S_NO_CRED;
+
+    status = GSS_S_COMPLETE;
+
+    for(j=0; j < union_cred->count; j++) {
+
+       mech = __gss_get_mechanism (&union_cred->mechs_array[j]);
+
+       if (union_cred->mechs_array[j].elements)
+               free(union_cred->mechs_array[j].elements);
+       if (mech) {
+           if (mech->gss_release_cred) {
+               temp_status = mech->gss_release_cred
+#ifdef USE_MECH_CONTEXT
+                   (mech->context,
+#else
+                   (
+#endif
+                    minor_status,
+                    &union_cred->cred_array[j]);
+
+           if (temp_status != GSS_S_COMPLETE)
+               status = GSS_S_NO_CRED;
+
+           } else
+               status = GSS_S_NO_CRED;
+       } else
+           status = GSS_S_NO_CRED;
+    }
+
+    gss_release_buffer(minor_status, &union_cred->auxinfo.name);
+    free(union_cred->cred_array);
+    free(union_cred->mechs_array);
+    free(union_cred);
+
+    return(status);
+}