2 * $Id: tcpip.c,v 1.73 1998/08/31 09:02:03 jkh Exp $
5 * Gary J Palmer. All rights reserved.
7 * Jordan K. Hubbard. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer,
14 * verbatim and that no modifications are made prior to this
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
26 * OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
28 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 * All kinds of hacking also performed by jkh on this code. Don't
35 * blame Gary for every bogosity you see here.. :-)
40 #include "sysinstall.h"
41 #include <sys/param.h>
43 /* The help file for the TCP/IP setup screen */
44 #define TCP_HELPFILE "tcp"
46 /* These are nasty, but they make the layout structure a lot easier ... */
48 static char hostname[HOSTNAME_FIELD_LEN], domainname[HOSTNAME_FIELD_LEN],
49 gateway[IPADDR_FIELD_LEN], nameserver[IPADDR_FIELD_LEN];
50 static int okbutton, cancelbutton;
51 static char ipaddr[IPADDR_FIELD_LEN], netmask[IPADDR_FIELD_LEN], extras[EXTRAS_FIELD_LEN];
53 /* What the screen size is meant to be */
54 #define TCP_DIALOG_Y 0
55 #define TCP_DIALOG_X 8
56 #define TCP_DIALOG_WIDTH COLS - 16
57 #define TCP_DIALOG_HEIGHT LINES - 2
59 static Layout layout[] = {
60 #define LAYOUT_HOSTNAME 0
61 { 1, 2, 25, HOSTNAME_FIELD_LEN - 1,
62 "Host:", "Your fully-qualified hostname, e.g. foo.bar.com",
63 hostname, STRINGOBJ, NULL },
64 #define LAYOUT_DOMAINNAME 1
65 { 1, 35, 20, HOSTNAME_FIELD_LEN - 1,
67 "The name of the domain that your machine is in, e.g. bar.com",
68 domainname, STRINGOBJ, NULL },
69 #define LAYOUT_GATEWAY 2
70 { 5, 2, 18, IPADDR_FIELD_LEN - 1,
72 "IP address of host forwarding packets to non-local destinations",
73 gateway, STRINGOBJ, NULL },
74 #define LAYOUT_NAMESERVER 3
75 { 5, 35, 18, IPADDR_FIELD_LEN - 1,
76 "Name server:", "IP address of your local DNS server",
77 nameserver, STRINGOBJ, NULL },
78 #define LAYOUT_IPADDR 4
79 { 10, 10, 18, IPADDR_FIELD_LEN - 1,
81 "The IP address to be used for this interface",
82 ipaddr, STRINGOBJ, NULL },
83 #define LAYOUT_NETMASK 5
84 { 10, 35, 18, IPADDR_FIELD_LEN - 1,
86 "The netmask for this interface, e.g. 0xffffff00 for a class C network",
87 netmask, STRINGOBJ, NULL },
88 #define LAYOUT_EXTRAS 6
89 { 14, 10, 37, HOSTNAME_FIELD_LEN - 1,
90 "Extra options to ifconfig:",
91 "Any interface-specific options to ifconfig you would like to add",
92 extras, STRINGOBJ, NULL },
93 #define LAYOUT_OKBUTTON 7
95 "OK", "Select this if you are happy with these settings",
96 &okbutton, BUTTONOBJ, NULL },
97 #define LAYOUT_CANCELBUTTON 8
99 "CANCEL", "Select this if you wish to cancel this screen",
100 &cancelbutton, BUTTONOBJ, NULL },
104 #define _validByte(b) ((b) >= 0 && (b) <= 255)
114 /* Very basic IP address integrity check - could be drastically improved */
120 if (ip && sscanf(ip, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
121 _validByte(a) && _validByte(b) && _validByte(c) &&
122 _validByte(d) && (d != 255))
128 /* Check for the settings on the screen - the per-interface stuff is
129 moved to the main handling code now to do it on the fly - sigh */
134 feepout("Must specify a host name of some sort!");
135 else if (gateway[0] && strcmp(gateway, "NO") && !verifyIP(gateway))
136 feepout("Invalid gateway IP address specified");
137 else if (nameserver[0] && !verifyIP(nameserver))
138 feepout("Invalid name server IP address specified");
139 else if (netmask[0] && (netmask[0] < '0' && netmask[0] > '3'))
140 feepout("Invalid netmask value");
141 else if (ipaddr[0] && !verifyIP(ipaddr))
142 feepout("Invalid IP address");
148 /* This is it - how to get TCP setup values */
150 tcpOpenDialog(Device *devp)
152 WINDOW *ds_win, *save = NULL;
153 ComposeObj *obj = NULL;
154 int n = 0, cancel = FALSE;
155 int max, ret = DITEM_SUCCESS;
159 /* Initialise vars from previous device values */
161 DevInfo *di = (DevInfo *)devp->private;
163 SAFE_STRCPY(ipaddr, di->ipaddr);
164 SAFE_STRCPY(netmask, di->netmask);
165 SAFE_STRCPY(extras, di->extras);
167 else { /* See if there are any defaults */
171 if ((cp = variable_get(VAR_IPADDR)) != NULL)
172 SAFE_STRCPY(ipaddr, cp);
173 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_IPADDR))) != NULL)
174 SAFE_STRCPY(ipaddr, cp);
177 if ((cp = variable_get(VAR_NETMASK)) != NULL)
178 SAFE_STRCPY(netmask, cp);
179 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_NETMASK))) != NULL)
180 SAFE_STRCPY(netmask, cp);
183 if ((cp = variable_get(VAR_EXTRAS)) != NULL)
184 SAFE_STRCPY(extras, cp);
185 else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_EXTRAS))) != NULL)
186 SAFE_STRCPY(extras, cp);
190 /* Look up values already recorded with the system, or blank the string variables ready to accept some new data */
191 tmp = variable_get(VAR_HOSTNAME);
193 SAFE_STRCPY(hostname, tmp);
195 bzero(hostname, sizeof(hostname));
196 tmp = variable_get(VAR_DOMAINNAME);
198 SAFE_STRCPY(domainname, tmp);
200 bzero(domainname, sizeof(domainname));
201 tmp = variable_get(VAR_GATEWAY);
203 SAFE_STRCPY(gateway, tmp);
205 bzero(gateway, sizeof(gateway));
206 tmp = variable_get(VAR_NAMESERVER);
208 SAFE_STRCPY(nameserver, tmp);
210 bzero(nameserver, sizeof(nameserver));
213 /* If non-interactive, jump straight over the dialog crap and into config section */
214 if (variable_get(VAR_NONINTERACTIVE) &&
215 !variable_get(VAR_NETINTERACTIVE)) {
217 msgConfirm("WARNING: hostname variable not set and is a non-optional\n"
218 "parameter. Please add this to your installation script\n"
219 "or set the netInteractive variable (see sysinstall man page)");
224 /* Now do all the screen I/O */
225 dialog_clear_norefresh();
227 /* We need a curses window */
228 if (!(ds_win = openLayoutDialog(TCP_HELPFILE, " Network Configuration ",
229 TCP_DIALOG_X, TCP_DIALOG_Y, TCP_DIALOG_WIDTH, TCP_DIALOG_HEIGHT))) {
231 msgConfirm("Cannot open TCP/IP dialog window!!");
233 return DITEM_FAILURE;
236 /* Draw interface configuration box */
237 draw_box(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 8, TCP_DIALOG_HEIGHT - 13, TCP_DIALOG_WIDTH - 17,
238 dialog_attr, border_attr);
239 wattrset(ds_win, dialog_attr);
240 sprintf(title, " Configuration for Interface %s ", devp->name);
241 mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 14, title);
243 /* Some more initialisation before we go into the main input loop */
244 obj = initLayoutDialog(ds_win, layout, TCP_DIALOG_X, TCP_DIALOG_Y, &max);
247 cancelbutton = okbutton = 0;
248 while (layoutDialogLoop(ds_win, layout, &obj, &n, max, &cancelbutton, &cancel)) {
249 /* Insert a default value for the netmask, 0xffffff00 is
250 the most appropriate one (entire class C, or subnetted
251 class A/B network). */
252 if (netmask[0] == '\0') {
253 strcpy(netmask, "255.255.255.0");
254 RefreshStringObj(layout[LAYOUT_NETMASK].obj);
256 if (!index(hostname, '.') && domainname[0]) {
257 strcat(hostname, ".");
258 strcat(hostname, domainname);
259 RefreshStringObj(layout[LAYOUT_HOSTNAME].obj);
261 else if (((tmp = index(hostname, '.')) != NULL) && !domainname[0]) {
262 SAFE_STRCPY(domainname, tmp + 1);
263 RefreshStringObj(layout[LAYOUT_DOMAINNAME].obj);
267 if (!cancel && !verifySettings())
270 /* Clear this crap off the screen */
272 dialog_clear_norefresh();
275 /* We actually need to inform the rest of sysinstall about this
276 data now if the user hasn't selected cancel. Save the stuff
277 out to the environment via the variable_set() mechanism */
282 char temp[512], ifn[255];
285 variable_set2(VAR_HOSTNAME, hostname);
286 sethostname(hostname, strlen(hostname));
288 variable_set2(VAR_DOMAINNAME, domainname);
290 variable_set2(VAR_GATEWAY, gateway);
292 variable_set2(VAR_NAMESERVER, nameserver);
295 devp->private = (DevInfo *)safe_malloc(sizeof(DevInfo));
297 SAFE_STRCPY(di->ipaddr, ipaddr);
298 SAFE_STRCPY(di->netmask, netmask);
299 SAFE_STRCPY(di->extras, extras);
301 sprintf(temp, "inet %s %s netmask %s", ipaddr, extras, netmask);
302 sprintf(ifn, "%s%s", VAR_IFCONFIG, devp->name);
303 variable_set2(ifn, temp);
304 ifaces = variable_get(VAR_INTERFACES);
306 variable_set2(VAR_INTERFACES, ifaces = "lo0");
307 /* Only add it if it's not there already */
308 if (!strstr(ifaces, devp->name)) {
309 sprintf(ifn, "%s %s", devp->name, ifaces);
310 variable_set2(VAR_INTERFACES, ifn);
313 variable_set2(VAR_IPADDR, ipaddr);
314 configResolv(NULL); /* XXX this will do it on the MFS copy XXX */
323 static Device *NetDev;
326 netHook(dialogMenuItem *self)
330 devs = deviceFindDescr(self->prompt, self->title, DEVICE_TYPE_NETWORK);
332 if (DITEM_STATUS(tcpOpenDialog(devs[0])) != DITEM_FAILURE)
337 return devs ? DITEM_LEAVE_MENU : DITEM_FAILURE;
340 /* Get a network device */
342 tcpDeviceSelect(void)
345 Device **devs, *rval;
348 devs = deviceFind(NULL, DEVICE_TYPE_NETWORK);
349 cnt = deviceCount(devs);
353 msgConfirm("No network devices available!");
356 else if (!RunningAsInit) {
357 if (!msgYesNo("Running multi-user, assume that the network is already configured?"))
361 if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS))
364 else if (variable_get(VAR_NONINTERACTIVE) && variable_get(VAR_NETWORK_DEVICE)) {
365 devs = deviceFind(variable_get(VAR_NETWORK_DEVICE), DEVICE_TYPE_NETWORK);
366 cnt = deviceCount(devs);
368 if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS))
375 menu = deviceCreateMenu(&MenuNetworkDevice, DEVICE_TYPE_NETWORK, netHook, NULL);
377 msgFatal("Unable to create network device menu! Argh!");
378 status = dmenuOpenSimple(menu, FALSE);
386 /* Do it from a menu that doesn't care about status */
388 tcpMenuSelect(dialogMenuItem *self)
392 tmp = tcpDeviceSelect();
393 if (tmp && !msgYesNo("Would you like to bring the %s interface up right now?", tmp->name))
395 msgConfirm("Initialization of %s device failed.", tmp->name);
396 return DITEM_SUCCESS | DITEM_RESTORE;