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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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2113a60c4b
I still have a _very very annoying_ display bug which occurs when a menu item causes a submenu to be displayed - the screen repaints for the original menu (which is restored upon return from the submenu) are off by about 4 characters. I've tried restoring the screen, the cursor position, you name it - same deal. Grrrr! This commit is my first step in trying to get someone else to help me look into this one since I'm just tearing my hair out at this point!
569 lines
16 KiB
C
569 lines
16 KiB
C
/*
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* $Id: tcpip.c,v 1.35 1996/04/13 13:32:12 jkh Exp $
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*
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* Copyright (c) 1995
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* Gary J Palmer. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GARY J PALMER ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL GARY J PALMER BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* All kinds of hacking also performed by jkh on this code. Don't
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* blame Gary for every bogosity you see here.. :-)
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*
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* -jkh
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/param.h>
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#include <string.h>
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#include <dialog.h>
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#include "ui_objects.h"
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#include "dir.h"
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#include "dialog.priv.h"
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#include "colors.h"
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#include "sysinstall.h"
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/* The help file for the TCP/IP setup screen */
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#define TCP_HELPFILE "tcp"
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/* These are nasty, but they make the layout structure a lot easier ... */
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static char hostname[HOSTNAME_FIELD_LEN], domainname[HOSTNAME_FIELD_LEN],
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gateway[IPADDR_FIELD_LEN], nameserver[IPADDR_FIELD_LEN];
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static int okbutton, cancelbutton;
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static char ipaddr[IPADDR_FIELD_LEN], netmask[IPADDR_FIELD_LEN], extras[EXTRAS_FIELD_LEN];
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/* What the screen size is meant to be */
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#define TCP_DIALOG_Y 0
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#define TCP_DIALOG_X 8
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#define TCP_DIALOG_WIDTH COLS - 16
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#define TCP_DIALOG_HEIGHT LINES - 2
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/* The screen layout structure */
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typedef struct _layout {
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int y; /* x & Y co-ordinates */
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int x;
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int len; /* The size of the dialog on the screen */
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int maxlen; /* How much the user can type in ... */
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char *prompt; /* The string for the prompt */
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char *help; /* The display for the help line */
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void *var; /* The var to set when this changes */
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int type; /* The type of the dialog to create */
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void *obj; /* The obj pointer returned by libdialog */
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} Layout;
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static Layout layout[] = {
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{ 1, 2, 25, HOSTNAME_FIELD_LEN - 1,
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"Host name:", "Your fully-qualified hostname, e.g. foo.bar.com",
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hostname, STRINGOBJ, NULL },
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#define LAYOUT_HOSTNAME 0
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{ 1, 35, 20, HOSTNAME_FIELD_LEN - 1,
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"Domain name:",
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"The name of the domain that your machine is in, e.g. bar.com",
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domainname, STRINGOBJ, NULL },
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#define LAYOUT_DOMAINNAME 1
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{ 5, 2, 18, IPADDR_FIELD_LEN - 1,
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"Gateway:",
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"IP address of host forwarding packets to non-local destinations",
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gateway, STRINGOBJ, NULL },
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#define LAYOUT_GATEWAY 2
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{ 5, 35, 18, IPADDR_FIELD_LEN - 1,
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"Name server:", "IP address of your local DNS server",
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nameserver, STRINGOBJ, NULL },
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#define LAYOUT_NAMESERVER 3
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{ 10, 10, 18, IPADDR_FIELD_LEN - 1,
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"IP Address:",
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"The IP address to be used for this interface",
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ipaddr, STRINGOBJ, NULL },
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#define LAYOUT_IPADDR 4
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{ 10, 35, 18, IPADDR_FIELD_LEN - 1,
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"Netmask:",
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"The netmask for this interface, e.g. 0xffffff00 for a class C network",
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netmask, STRINGOBJ, NULL },
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#define LAYOUT_NETMASK 5
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{ 14, 10, 37, HOSTNAME_FIELD_LEN - 1,
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"Extra options to ifconfig:",
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"Any interface-specific options to ifconfig you would like to use",
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extras, STRINGOBJ, NULL },
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#define LAYOUT_EXTRAS 6
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{ 19, 15, 0, 0,
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"OK", "Select this if you are happy with these settings",
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&okbutton, BUTTONOBJ, NULL },
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#define LAYOUT_OKBUTTON 7
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{ 19, 35, 0, 0,
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"CANCEL", "Select this if you wish to cancel this screen",
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&cancelbutton, BUTTONOBJ, NULL },
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#define LAYOUT_CANCELBUTTON 8
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{ NULL },
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};
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#define _validByte(b) ((b) >= 0 && (b) <= 255)
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/* whine */
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static void
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feepout(char *msg)
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{
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beep();
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dialog_notify(msg);
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}
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/* Very basic IP address integrity check - could be drastically improved */
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static int
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verifyIP(char *ip)
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{
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int a, b, c, d;
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if (ip && sscanf(ip, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
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_validByte(a) && _validByte(b) && _validByte(c) &&
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_validByte(d) && (d != 255))
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return 1;
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else
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return 0;
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}
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/* Check for the settings on the screen - the per interface stuff is
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moved to the main handling code now to do it on the fly - sigh */
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static int
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verifySettings(void)
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{
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if (!hostname[0])
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feepout("Must specify a host name of some sort!");
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else if (gateway[0] && !verifyIP(gateway))
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feepout("Invalid gateway IP address specified");
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else if (nameserver[0] && !verifyIP(nameserver))
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feepout("Invalid name server IP address specified");
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else if (netmask[0] && (netmask[0] < '0' && netmask[0] > '3'))
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feepout("Invalid netmask value");
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else if (ipaddr[0] && !verifyIP(ipaddr))
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feepout("Invalid IP address");
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else
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return 1;
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return 0;
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}
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int
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tcpInstallDevice(char *str)
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{
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Device **devs;
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Device *dp = NULL;
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/* Clip garbage off the ends */
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string_prune(str);
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str = string_skipwhite(str);
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if (!*str)
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return DITEM_FAILURE;
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devs = deviceFind(str, DEVICE_TYPE_NETWORK);
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if (devs && (dp = devs[0])) {
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char temp[512], ifn[255];
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if (!dp->private) {
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DevInfo *di;
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char *ipaddr, *netmask, *extras;
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di = dp->private = (DevInfo *)malloc(sizeof(DevInfo));
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if ((ipaddr = variable_get(string_concat3(VAR_IPADDR, "_", dp->name))) == NULL)
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ipaddr = variable_get(VAR_IPADDR);
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if ((netmask = variable_get(string_concat3(VAR_NETMASK, "_", dp->name))) == NULL)
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netmask = variable_get(VAR_NETMASK);
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if ((extras = variable_get(string_concat3(VAR_EXTRAS, "_", dp->name))) == NULL)
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extras = variable_get(VAR_EXTRAS);
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string_copy(di->ipaddr, ipaddr);
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string_copy(di->netmask, netmask);
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string_copy(di->extras, extras);
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if (ipaddr) {
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char *ifaces;
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sprintf(temp, "inet %s %s netmask %s", ipaddr, extras ? extras : "", netmask);
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sprintf(ifn, "%s%s", VAR_IFCONFIG, dp->name);
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variable_set2(ifn, temp);
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ifaces = variable_get(VAR_INTERFACES);
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if (!ifaces)
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variable_set2(VAR_INTERFACES, ifaces = "lo0");
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/* Only add it if it's not there already */
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if (!strstr(ifaces, dp->name)) {
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sprintf(ifn, "%s %s", dp->name, ifaces);
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variable_set2(VAR_INTERFACES, ifn);
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}
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}
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}
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mediaDevice = dp;
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}
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return dp ? DITEM_SUCCESS : DITEM_FAILURE;
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}
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/* This is it - how to get TCP setup values */
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int
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tcpOpenDialog(Device *devp)
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{
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WINDOW *ds_win, *save;
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ComposeObj *obj = NULL;
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ComposeObj *first, *last;
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int n=0, quit=FALSE, cancel=FALSE, ret;
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int max;
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char *tmp;
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char help[FILENAME_MAX];
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char title[80];
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save = savescr();
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/* We need a curses window */
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ds_win = newwin(LINES, COLS, 0, 0);
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if (ds_win == 0)
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msgFatal("Cannot open TCP/IP dialog window!!");
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/* Say where our help comes from */
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systemHelpFile(TCP_HELPFILE, help);
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use_helpfile(help);
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/* Setup a nice screen for us to splat stuff onto */
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draw_box(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X, TCP_DIALOG_HEIGHT, TCP_DIALOG_WIDTH, dialog_attr, border_attr);
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wattrset(ds_win, dialog_attr);
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mvwaddstr(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X + 20, " Network Configuration ");
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draw_box(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 8, TCP_DIALOG_HEIGHT - 13, TCP_DIALOG_WIDTH - 17,
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dialog_attr, border_attr);
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wattrset(ds_win, dialog_attr);
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sprintf(title, " Configuration for Interface %s ", devp->name);
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mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 14, title);
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/* Initialise vars from previous device values */
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if (devp->private) {
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DevInfo *di = (DevInfo *)devp->private;
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strcpy(ipaddr, di->ipaddr);
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strcpy(netmask, di->netmask);
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strcpy(extras, di->extras);
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}
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else { /* See if there are any defaults */
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char *cp;
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if (!ipaddr[0]) {
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if ((cp = variable_get(VAR_IPADDR)) != NULL)
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strcpy(ipaddr, cp);
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else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_IPADDR))) != NULL)
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strcpy(ipaddr, cp);
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}
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if (!netmask[0]) {
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if ((cp = variable_get(VAR_NETMASK)) != NULL)
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strcpy(netmask, cp);
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else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_NETMASK))) != NULL)
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strcpy(netmask, cp);
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}
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if (!extras[0]) {
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if ((cp = variable_get(VAR_EXTRAS)) != NULL)
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strcpy(extras, cp);
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else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_EXTRAS))) != NULL)
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strcpy(extras, cp);
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}
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}
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/* Look up values already recorded with the system, or blank the string variables ready to accept some new data */
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tmp = variable_get(VAR_HOSTNAME);
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if (tmp)
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strcpy(hostname, tmp);
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else
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bzero(hostname, sizeof(hostname));
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tmp = variable_get(VAR_DOMAINNAME);
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if (tmp)
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strcpy(domainname, tmp);
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else
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bzero(domainname, sizeof(domainname));
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tmp = variable_get(VAR_GATEWAY);
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if (tmp)
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strcpy(gateway, tmp);
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else
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bzero(gateway, sizeof(gateway));
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tmp = variable_get(VAR_NAMESERVER);
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if (tmp)
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strcpy(nameserver, tmp);
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else
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bzero(nameserver, sizeof(nameserver));
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/* Loop over the layout list, create the objects, and add them
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onto the chain of objects that dialog uses for traversal*/
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n = 0;
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#define lt layout[n]
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while (lt.help != NULL) {
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switch (lt.type) {
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case STRINGOBJ:
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lt.obj = NewStringObj(ds_win, lt.prompt, lt.var,
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lt.y + TCP_DIALOG_Y, lt.x + TCP_DIALOG_X,
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lt.len, lt.maxlen);
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break;
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case BUTTONOBJ:
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lt.obj = NewButtonObj(ds_win, lt.prompt, lt.var,
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lt.y + TCP_DIALOG_Y, lt.x + TCP_DIALOG_X);
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break;
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default:
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msgFatal("Don't support this object yet!");
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}
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AddObj(&obj, lt.type, (void *) lt.obj);
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n++;
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}
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max = n - 1;
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/* Find the last object we can traverse to */
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last = obj;
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while (last->next)
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last = last->next;
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/* Find the first object in the list */
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first = obj;
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for (first = obj; first->prev; first = first->prev);
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/* Some more initialisation before we go into the main input loop */
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n = 0;
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cancelbutton = okbutton = 0;
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/* Incoming user data - DUCK! */
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while (!quit) {
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char help_line[80];
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int i, len = strlen(lt.help);
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/* Display the help line at the bottom of the screen */
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for (i = 0; i < 79; i++)
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help_line[i] = (i < len) ? lt.help[i] : ' ';
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help_line[i] = '\0';
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use_helpline(help_line);
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display_helpline(ds_win, LINES - 1, COLS - 1);
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/* Ask for libdialog to do its stuff */
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ret = PollObj(&obj);
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if (n == LAYOUT_HOSTNAME) {
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/* We are in the Hostname field - calculate the domainname */
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if ((tmp = index(hostname, '.')) != NULL) {
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strncpy(domainname, tmp + 1, strlen(tmp + 1));
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domainname[strlen(tmp+1)] = '\0';
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RefreshStringObj(layout[LAYOUT_DOMAINNAME].obj);
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}
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}
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else if (n == LAYOUT_IPADDR) {
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/* Insert a default value for the netmask, 0xffffff00 is
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the most appropriate one (entire class C, or subnetted
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class A/B network). */
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if(netmask[0] == '\0') {
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strcpy(netmask, "255.255.255.0");
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RefreshStringObj(layout[LAYOUT_NETMASK].obj);
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}
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}
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else if (n == LAYOUT_DOMAINNAME) {
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if (!index(hostname, '.') && domainname[0]) {
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strcat(hostname, ".");
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strcat(hostname, domainname);
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RefreshStringObj(layout[LAYOUT_HOSTNAME].obj);
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}
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}
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/* Handle special case stuff that libdialog misses. Sigh */
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switch (ret) {
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/* Bail out */
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case SEL_ESC:
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quit = TRUE, cancel=TRUE;
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break;
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/* This doesn't work for list dialogs. Oh well. Perhaps
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should special case the move from the OK button ``up''
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to make it go to the interface list, but then it gets
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awkward for the user to go back and correct screw up's
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in the per-interface section */
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case KEY_UP:
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if (obj->prev !=NULL ) {
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obj = obj->prev;
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--n;
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} else {
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obj = last;
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n = max;
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}
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break;
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case KEY_DOWN:
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if (obj->next != NULL) {
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obj = obj->next;
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++n;
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} else {
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obj = first;
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n = 0;
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}
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break;
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case SEL_TAB:
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if (n < max)
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++n;
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else
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n = 0;
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break;
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/* The user has pressed enter over a button object */
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case SEL_BUTTON:
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if (cancelbutton)
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cancel = TRUE, quit = TRUE;
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else {
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if (verifySettings())
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quit = TRUE;
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}
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break;
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/* Generic CR handler */
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case SEL_CR:
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if (n < max)
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++n;
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else
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n = 0;
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break;
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case SEL_BACKTAB:
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if (n)
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--n;
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else
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n = max;
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break;
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case KEY_F(1):
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display_helpfile();
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/* They tried some key combination we don't support - tell them! */
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|
default:
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beep();
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}
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/* BODGE ALERT! */
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if (((tmp = index(hostname, '.')) != NULL) && (strlen(domainname)==0)) {
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strncpy(domainname, tmp + 1, strlen(tmp + 1));
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domainname[strlen(tmp+1)] = '\0';
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RefreshStringObj(layout[1].obj);
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}
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}
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/* Clear this crap off the screen */
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dialog_clear();
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refresh();
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use_helpfile(NULL);
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/* We actually need to inform the rest of sysinstall about this
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data now - if the user hasn't selected cancel, save the stuff
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out to the environment via the variable_set layers */
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|
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if (!cancel) {
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DevInfo *di;
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char temp[512], ifn[255];
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char *ifaces;
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variable_set2(VAR_HOSTNAME, hostname);
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if (domainname[0])
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variable_set2(VAR_DOMAINNAME, domainname);
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if (gateway[0])
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variable_set2(VAR_GATEWAY, gateway);
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if (nameserver[0])
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variable_set2(VAR_NAMESERVER, nameserver);
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|
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if (!devp->private)
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devp->private = (DevInfo *)malloc(sizeof(DevInfo));
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di = devp->private;
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strcpy(di->ipaddr, ipaddr);
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strcpy(di->netmask, netmask);
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|
strcpy(di->extras, extras);
|
|
|
|
sprintf(temp, "inet %s %s netmask %s", ipaddr, extras, netmask);
|
|
sprintf(ifn, "%s%s", VAR_IFCONFIG, devp->name);
|
|
variable_set2(ifn, temp);
|
|
ifaces = variable_get(VAR_INTERFACES);
|
|
if (!ifaces)
|
|
variable_set2(VAR_INTERFACES, ifaces = "lo0");
|
|
/* Only add it if it's not there already */
|
|
if (!strstr(ifaces, devp->name)) {
|
|
sprintf(ifn, "%s %s", devp->name, ifaces);
|
|
variable_set2(VAR_INTERFACES, ifn);
|
|
}
|
|
if (ipaddr[0])
|
|
variable_set2(VAR_IPADDR, ipaddr);
|
|
restorescr(save);
|
|
return DITEM_SUCCESS;
|
|
}
|
|
restorescr(save);
|
|
return DITEM_FAILURE;
|
|
}
|
|
|
|
static int
|
|
netHook(dialogMenuItem *self)
|
|
{
|
|
Device **devs;
|
|
|
|
devs = deviceFind(self->prompt, DEVICE_TYPE_NETWORK);
|
|
if (devs) {
|
|
tcpOpenDialog(devs[0]);
|
|
mediaDevice = devs[0];
|
|
}
|
|
return devs ? DITEM_LEAVE_MENU : DITEM_FAILURE;
|
|
}
|
|
|
|
/* Get a network device */
|
|
Boolean
|
|
tcpDeviceSelect(void)
|
|
{
|
|
DMenu *menu;
|
|
Device **devs;
|
|
int cnt;
|
|
int status;
|
|
|
|
devs = deviceFind(NULL, DEVICE_TYPE_NETWORK);
|
|
cnt = deviceCount(devs);
|
|
if (!cnt) {
|
|
msgConfirm("No network devices available!");
|
|
status = FALSE;
|
|
}
|
|
else if (cnt == 1 || !RunningAsInit) {
|
|
/* If we're running in user mode, assume network already up */
|
|
if (RunningAsInit)
|
|
tcpOpenDialog(devs[0]);
|
|
mediaDevice = devs[0];
|
|
status = TRUE;
|
|
}
|
|
else {
|
|
menu = deviceCreateMenu(&MenuNetworkDevice, DEVICE_TYPE_NETWORK, netHook, NULL);
|
|
if (!menu)
|
|
msgFatal("Unable to create network device menu! Argh!");
|
|
status = dmenuOpenSimple(menu);
|
|
free(menu);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/* Do it from a menu that doesn't care about status */
|
|
int
|
|
tcpMenuSelect(dialogMenuItem *self)
|
|
{
|
|
(void)tcpDeviceSelect();
|
|
configResolv();
|
|
return DITEM_SUCCESS;
|
|
}
|