1 files changed, 69 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/ftp/ftpd/gss_userok.c b/crypto/heimdal/appl/ftp/ftpd/gss_userok.c
new file mode 100644
index 0000000..28e3596
--- /dev/null
+++ b/crypto/heimdal/appl/ftp/ftpd/gss_userok.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 1998 Kungliga Tekniska Högskolan
+ * (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. 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 "ftpd_locl.h"
+#include <gssapi.h>
+#include <krb5.h>
+
+RCSID("$Id: gss_userok.c,v 1.2 1999/12/02 16:58:31 joda Exp $");
+
+/* XXX a bit too much of krb5 dependency here... 
+   What is the correct way to do this? 
+   */
+
+extern krb5_context gssapi_krb5_context;
+
+/* XXX sync with gssapi.c */
+struct gss_data {
+    gss_ctx_id_t context_hdl;
+    char *client_name;
+};
+
+int gss_userok(void*, char*); /* to keep gcc happy */
+
+int
+gss_userok(void *app_data, char *username)
+{
+    struct gss_data *data = app_data;
+    if(gssapi_krb5_context) {
+	krb5_principal client;
+	krb5_error_code ret;
+	ret = krb5_parse_name(gssapi_krb5_context, data->client_name, &client);
+	if(ret)
+	    return 1;
+	ret = krb5_kuserok(gssapi_krb5_context, client, username);
+	krb5_free_principal(gssapi_krb5_context, client);
+	return !ret;
+    }
+    return 1;
+}