From f196148b04db823bdb9cdb28088b6a37647263dd Mon Sep 17 00:00:00 2001
From: Johan Danielsson <joda@pdc.kth.se>
Date: Sun, 31 Aug 1997 16:54:59 +0000
Subject: [PATCH] common setup

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3307 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 appl/test/common.c | 122 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 appl/test/common.c

diff --git a/appl/test/common.c b/appl/test/common.c
new file mode 100644
index 000000000..e9646d8aa
--- /dev/null
+++ b/appl/test/common.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software 
+ *    must display the following acknowledgement: 
+ *      This product includes software developed by Kungliga Tekniska 
+ *      Högskolan 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 "test_locl.h"
+
+RCSID("$Id$");
+
+static int help_flag;
+static int version_flag;
+static char *port_str;
+char *service = SERVICE;
+
+static struct getargs args[] = {
+    { "port", 'p', arg_string, &port_str, "port to listen to", "port" },
+    { "service", 's', arg_string, &service, "service to use", "service" },
+    { "help", 'h', arg_flag, &help_flag },
+    { "version", 0, arg_flag, &version_flag }
+};
+
+static int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+server_usage(int code, struct getargs *args, int num_args)
+{
+    arg_printusage(args, num_args, "");
+    exit(code);
+}
+
+static void
+client_usage(int code, struct getargs *args, int num_args)
+{
+    arg_printusage(args, num_args, "host");
+    exit(code);
+}
+
+
+static int
+common_setup(krb5_context *context, int *argc, char **argv, 
+	     void (*usage)(int, struct getargs*, int))
+{
+    int port;
+    *argc = krb5_program_setup(context, *argc, argv, args, num_args, usage);
+
+    if(help_flag)
+	(*usage)(0, args, num_args);
+    if(version_flag)
+	krb5_errx(*context, 0, "%s", heimdal_version);
+    
+    if(port_str){
+	struct servent *s = getservbyname(port_str, "tcp");
+	if(s)
+	    port = s->s_port;
+	else {
+	    char *ptr;
+
+	    port = strtol (optarg, &ptr, 10);
+	    if (port == 0 && ptr == optarg)
+		errx (1, "Bad port `%s'", optarg);
+	    port = htons(port);
+	}
+    }
+
+    if (port == 0)
+	port = krb5_getportbyname (*context, PORT, "tcp", 4711);
+    
+    return port;
+}
+
+int
+server_setup(krb5_context *context, int argc, char **argv)
+{
+    int port = common_setup(context, &argc, argv, server_usage);
+    if(argv[argc] != NULL)
+	server_usage(1, args, num_args);
+    return port;
+}
+
+int
+client_setup(krb5_context *context, int *argc, char **argv)
+{
+    int optind = *argc;
+    int port = common_setup(context, &optind, argv, client_usage);
+    if(*argc - optind != 1)
+	client_usage(1, args, num_args);
+    *argc = optind;
+    return port;
+}