new file

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4927 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/gssapi/display_status.c

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+/*
+ * Copyright (c) 1998 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * 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. All advertising materials mentioning features or use of this software 
+ *    must display the following acknowledgement: 
+ *      This product includes software developed by Kungliga Tekniska 
+ *      H<>gskolan and its contributors. 
+ *
+ * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "gssapi_locl.h"
+
+RCSID("$Id$");
+
+static char *
+calling_error(OM_uint32 v)
+{
+    static char *msgs[] = {
+	NULL,			/* 0 */
+	"A required input parameter could not be read.", /*  */
+	"A required output parameter could not be written.", /*  */
+	"A parameter was malformed"
+    };
+
+    if (v == 0)
+	return "";
+    else if (v >= sizeof(msgs)/sizeof(*msgs))
+	return "unknown calling error";
+    else
+	return msgs[v];
+}
+
+static char *
+routine_error(OM_uint32 v)
+{
+    static char *msgs[] = {
+	NULL,			/* 0 */
+	"An unsupported mechanism was requested",
+	"An invalid name was supplied",
+	"A supplied name was of an unsupported type",
+	"Incorrect channel bindings were supplied",
+	"An invalid status code was supplied",
+	"A token had an invalid MIC",
+	"No credentials were supplied, "
+	"or the credentials were unavailable or inaccessible.",
+	"No context has been established",
+	"A token was invalid",
+	"A credential was invalid",
+	"The referenced credentials have expired",
+	"The context has expired",
+	"Miscellaneous failure (see text)",
+	"The quality-of-protection requested could not be provide",
+	"The operation is forbidden by local security policy",
+	"The operation or option is not available",
+	"The requested credential element already exists",
+	"The provided name was not a mechanism name.",
+    };
+
+    if (v == 0)
+	return "";
+    else if (v >= sizeof(msgs)/sizeof(*msgs))
+	return "unknown ruotine error";
+    else
+	return msgs[v];
+}
+
+OM_uint32 gss_display_status
+           (OM_uint32		*minor_status,
+	    OM_uint32		 status_value,
+	    int			 status_type,
+	    const gss_OID	 mech_type,
+	    OM_uint32		*message_context,
+	    gss_buffer_t	 status_string)
+{
+  char *buf;
+
+  gssapi_krb5_init ();
+
+  *minor_status = 0;
+
+  if (mech_type != GSS_C_NO_OID &&
+      mech_type != GSS_KRB5_MECHANISM)
+      return GSS_S_BAD_MECH;
+
+  if (status_type == GSS_C_GSS_CODE) {
+      asprintf (&buf, "%s %s",
+		calling_error(GSS_CALLING_ERROR(status_value)),
+		routine_error(GSS_ROUTINE_ERROR(status_value)));
+      if (buf == NULL)
+	  return GSS_S_FAILURE;
+  } else if (status_type == GSS_C_MECH_CODE) {
+      buf = strdup(krb5_get_err_text (gssapi_krb5_context, status_value));
+      if (buf == NULL)
+	  return GSS_S_FAILURE;
+  } else
+      return GSS_S_BAD_STATUS;
+
+  *message_context = 0;
+
+  status_string->length = strlen(buf);
+  status_string->value  = buf;
+  
+  return GSS_S_COMPLETE;
+}