From 40ca2e594fa15e70aba00f0b5b6764ce175ade6c Mon Sep 17 00:00:00 2001
From: Jeffrey Armstrong <jeffrey.armstrong@approximatrix.com>
Date: Sat, 25 Feb 2017 09:18:47 -0500
Subject: Initial, non-working telnet commit

---
 dos/mainutil.c | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 dos/mainutil.c

(limited to 'dos/mainutil.c')

diff --git a/dos/mainutil.c b/dos/mainutil.c
new file mode 100644
index 0000000..09e77c5
--- /dev/null
+++ b/dos/mainutil.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2009, 2017 Jeffrey Armstrong
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * This file is part of the uIP TCP/IP stack - MS-DOS FOSSIL port.
+ * 
+ * Author: Jeffrey Armstrong <jeff@rainbow-100.com>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "fossil.h"
+#include "uip.h"
+#include "uip_arp.h"
+#include "slipdev.h"
+#include "slipfos.h"
+#include "mainutil.h"
+
+int common_init(char *host_ip, char *local_ip, char *netmask, 
+                 char *fos_port, char *fos_speed)
+{
+int ip[4];
+uip_ipaddr_t ipaddr;
+
+    timer_set(&periodic_timer, CLOCK_SECOND / 2);
+
+    /* Initialize the FOSSIL driver here */
+    printf("Initializing FOSSIL driver...");
+    if(slip_fossil_init(atoi(fos_speed),atoi(fos_port)) < 0) {
+        printf("FAILED\nExiting...\n");
+        return 0;
+    }
+    printf("OK\n");
+
+    printf("Initializing SLIP interface...");
+    slipdev_init();
+    printf("OK\n");
+
+    printf("Initializing uIP stack...");
+    uip_init();
+    printf("OK\n");
+    
+    /* Set IP and netmask from command line arguments */
+    ip_from_string(host_ip,ip);
+    uip_ipaddr(&ipaddr, ip[0], ip[1], ip[2], ip[3]);
+    uip_setdraddr(&ipaddr);
+    
+    ip_from_string(local_ip,ip);
+    uip_ipaddr(&ipaddr, ip[0], ip[1], ip[2], ip[3]);
+    uip_sethostaddr(&ipaddr);
+    
+    ip_from_string(netmask,ip);
+    uip_ipaddr(&ipaddr, ip[0], ip[1], ip[2], ip[3]);
+    uip_setnetmask(&ipaddr);
+    
+    return 1;
+}
+
+int ip_from_string(const char *string, int ip[4])
+{
+char *token;
+char *original;
+int i, ret;
+
+    for(i=0;i<4;i++) ip[i] = 0;
+    if(string == NULL) return -1;
+
+    original = (char *)malloc((strlen(string)+1)*sizeof(char));
+    memcpy(original,string,strlen(string)+1);
+    
+    ret = 1;
+    token = strtok(original,".");
+    for(i=0;i<4;i++) {
+        if(token == NULL) {
+            ret = -1;
+            break;
+        }
+        ip[i] = atoi(token);
+        token = strtok(NULL,".");
+    }
+
+    token = NULL;
+    free(original);
+    
+    return ret;
+}
+
+void uip_log(char *m)
+{
+#ifdef DEBUG
+    printf("uIP log message: %s\n", m);
+#endif
+}
-- 
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