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Hopefully the last version of this file. Add a lot more comments, and

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actually give the data back to sysinstall in a coherent fashion now.
This commit is contained in:
gpalmer 1995-05-17 12:09:11 +00:00
parent 6a59740b8a
commit c606c64125
2 changed files with 384 additions and 72 deletions
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228
release/sysinstall/tcpip.c
View File

@ -1,5 +1,5 @@
/* /*
* $Id: tcpip.c,v 1.1 1995/05/16 02:53:28 jkh Exp $ * $Id: tcpip.c,v 1.3 1995/05/16 20:00:51 gpalmer Exp $
* *
* Copyright (c) 1995 * Copyright (c) 1995
* Gary J Palmer. All rights reserved. * Gary J Palmer. All rights reserved.
@ -49,80 +49,98 @@
#include "rc.h" #include "rc.h"
#include "sysinstall.h" #include "sysinstall.h"
/* These are nasty, but they make the layout structure a lot easier ... */
static char hostname[256], domainname[256], static char hostname[256], domainname[256],
gateway[32], nameserver[32], iface[8]; gateway[32], nameserver[32], iface[8];
static int okbutton, cancelbutton; static int okbutton, cancelbutton;
static char ipaddr[32], netmask[32], extras[256]; static char ipaddr[32], netmask[32], extras[256];
/* What the screen size is meant to be */
#define TCP_DIALOG_Y 0 #define TCP_DIALOG_Y 0
#define TCP_DIALOG_X 8 #define TCP_DIALOG_X 8
#define TCP_DIALOG_WIDTH COLS - 16 #define TCP_DIALOG_WIDTH COLS - 16
#define TCP_DIALOG_HEIGHT LINES - 2 #define TCP_DIALOG_HEIGHT LINES - 2
/* The per interface set of records */
typedef struct _interface { typedef struct _interface {
char ipaddr[32]; char ipaddr[32];
char netmask[32]; char netmask[32];
char extras[256]; char extras[256]; /* Extra stuff for ifconfig (link0, etc) */
Device *dev; int valid;
} Interface; } Interface;
/* The names and details of the available interfaces, for the list */ /* The names and details of the available interfaces, for the list */
Interface if_list[INTERFACE_MAX]; Interface if_list[INTERFACE_MAX];
char *iface_names[INTERFACE_MAX]; char *iface_names[INTERFACE_MAX];
/* The screen layout structure */
typedef struct _layout { typedef struct _layout {
int y; int y; /* x & Y co-ordinates */
int x; int x;
int len; int len; /* The size of the dialog on the screen */
int maxlen; int maxlen; /* How much the user can type in ... */
char *prompt; char *prompt; /* The string for the prompt */
char *help; char *help; /* The display for the help line */
void *var; void *var; /* The var to set when this changes */
int type; int type; /* The type of the dialog to create */
void *obj; void *obj; /* The obj pointer returned by libdialog */
} Layout; } Layout;
static Layout layout[] = { static Layout layout[] = {
{ 1, 2, 25, 255, { 1, 2, 25, 255,
"Host name:", "The name of your machine on a network, e.g. foo.bar.com", "Host name:", "The name of your machine on a network, e.g. foo.bar.com",
hostname, STRINGOBJ, NULL }, hostname, STRINGOBJ, NULL },
#define LAYOUT_HOSTNAME 0
{ 1, 35, 20, 255, { 1, 35, 20, 255,
"Domain name:", "Domain name:",
"The name of the domain that your machine is in, e.g. bar.com", "The name of the domain that your machine is in, e.g. bar.com",
domainname, STRINGOBJ, NULL }, domainname, STRINGOBJ, NULL },
#define LAYOUT_DOMAINNAME 1
{ 5, 2, 18, 15, { 5, 2, 18, 15,
"Gateway:", "Gateway:",
"IP address of host forwarding packets to non-local hosts or nets", "IP address of host forwarding packets to non-local hosts or nets",
gateway, STRINGOBJ, NULL }, gateway, STRINGOBJ, NULL },
#define LAYOUT_GATEWAY 2
{ 5, 35, 18, 15, { 5, 35, 18, 15,
"Name server:", "IP address of your local DNS server", "Name server:", "IP address of your local DNS server",
nameserver, STRINGOBJ, NULL }, nameserver, STRINGOBJ, NULL },
#define LAYOUT_NAMESERVER 3
{ 9, 2, 9, 6, { 9, 2, 9, 6,
"Interface:", "One of potentially several network interfaces", "Interface:",
"Network devices found on boot (use <TAB> to exit from here)",
iface, LISTOBJ, NULL }, iface, LISTOBJ, NULL },
#define LAYOUT_IFACE 4
{ 10, 18, 18, 15, { 10, 18, 18, 15,
"IP Address:", "IP Address:",
"The IP address to be used for your host - use 127.0.0.1 for loopback", "The IP address to be used for your host - use 127.0.0.1 for loopback",
ipaddr, STRINGOBJ, NULL }, ipaddr, STRINGOBJ, NULL },
#define LAYOUT_IPADDR 5
{ 10, 37, 18, 15, { 10, 37, 18, 15,
"Netmask:", "Netmask:",
"The netmask for your network, e.g. 0xffffff00 for a class C network", "The netmask for your network, e.g. 0xffffff00 for a class C network",
netmask, STRINGOBJ, NULL }, netmask, STRINGOBJ, NULL },
#define LAYOUT_NETMASK 6
{ 14, 18, 37, 255, { 14, 18, 37, 255,
"Extra options to ifconfig:", "Extra options to ifconfig:",
"Any options to ifconfig you'd like to specify manually", "Any options to ifconfig you'd like to specify manually",
extras, STRINGOBJ, NULL }, extras, STRINGOBJ, NULL },
#define LAYOUT_EXTRAS 7
{ 19, 10, 0, 0, { 19, 10, 0, 0,
"OK", "Select this if you are happy with these settings", "OK", "Select this if you are happy with these settings",
&okbutton, BUTTONOBJ, NULL }, &okbutton, BUTTONOBJ, NULL },
#define LAYOUT_OKBUTTON 8
{ 19, 30, 0, 0, { 19, 30, 0, 0,
"CANCEL", "Select this if you wish to cancel this screen", "CANCEL", "Select this if you wish to cancel this screen",
&cancelbutton, BUTTONOBJ, NULL }, &cancelbutton, BUTTONOBJ, NULL },
#define LAYOUT_CANCELBUTTON 9
{ NULL }, { NULL },
}; };
#define _validByte(b) ((b) > 0 && (b) < 255) #define _validByte(b) ((b) > 0 && (b) < 255)
/* A JKH special - inform the user of an unusal error in a controlled
fashion */
static void static void
feepout(char *msg) feepout(char *msg)
{ {
@ -130,6 +148,7 @@ feepout(char *msg)
dialog_notify(msg); dialog_notify(msg);
} }
/* Very basic IP address integrity check - could be drastically improved */
static int static int
verifyIP(char *ip) verifyIP(char *ip)
{ {
@ -143,19 +162,26 @@ verifyIP(char *ip)
return 0; return 0;
} }
/* Check for the settings on the screen - the per interface stuff is
moved to the main handling code now to do it on the fly - sigh */
static int static int
verifySettings(void) verifySettings(void)
{ {
if (!hostname[0]) if (!hostname[0])
feepout("Must specify a host name of some sort!"); feepout("Must specify a host name of some sort!");
#if 0
else if (!verifyIP(ipaddr)) else if (!verifyIP(ipaddr))
feepout("Invalid or missing value for IP address"); feepout("Invalid or missing value for IP address");
#endif
else if (gateway[0] && !verifyIP(gateway)) else if (gateway[0] && !verifyIP(gateway))
feepout("Invalid gateway IP address specified"); feepout("Invalid gateway IP address specified");
else if (nameserver[0] && !verifyIP(nameserver)) else if (nameserver[0] && !verifyIP(nameserver))
feepout("Invalid name server IP address specified"); feepout("Invalid name server IP address specified");
#if 0
else if (netmask[0] < '0' || netmask[0] > '9') else if (netmask[0] < '0' || netmask[0] > '9')
feepout("Invalid or missing netmask"); feepout("Invalid or missing netmask");
#endif
else else
return 1; return 1;
return 0; return 0;
@ -174,10 +200,12 @@ tcpOpenDialog(char *str)
Device **devs; Device **devs;
char old_iface[8]; char old_iface[8];
/* We need a curses window */
ds_win = newwin(LINES, COLS, 0, 0); ds_win = newwin(LINES, COLS, 0, 0);
if (ds_win == 0) if (ds_win == 0)
msgFatal("Cannot open TCP/IP dialog window!!"); msgFatal("Cannot open TCP/IP dialog window!!");
/* Look for net.devices for us to configure */
devs = deviceFind(NULL, DEVICE_TYPE_NETWORK); devs = deviceFind(NULL, DEVICE_TYPE_NETWORK);
if (!devs) { if (!devs) {
msgConfirm("Couldn't find any potential network devices!"); msgConfirm("Couldn't find any potential network devices!");
@ -190,6 +218,7 @@ tcpOpenDialog(char *str)
} }
n_iface = --n; n_iface = --n;
/* Setup a nice screen for us to splat stuff onto */
draw_box(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X, draw_box(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X,
TCP_DIALOG_HEIGHT, TCP_DIALOG_WIDTH, TCP_DIALOG_HEIGHT, TCP_DIALOG_WIDTH,
dialog_attr, border_attr); dialog_attr, border_attr);
@ -203,11 +232,13 @@ tcpOpenDialog(char *str)
mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 24, mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 24,
" Per Interface Configuration "); " Per Interface Configuration ");
/* Initialise vars so that dialog has something to chew on */
strcpy(ipaddr, if_list[0].ipaddr); strcpy(ipaddr, if_list[0].ipaddr);
strcpy(netmask, if_list[0].netmask); strcpy(netmask, if_list[0].netmask);
strcpy(extras, if_list[0].extras); strcpy(extras, if_list[0].extras);
/* Look up values already recorded with the system, or blank the
string variables ready to accept some new data */
tmp = getenv(VAR_HOSTNAME); tmp = getenv(VAR_HOSTNAME);
if (tmp) if (tmp)
strcpy(hostname, tmp); strcpy(hostname, tmp);
@ -229,6 +260,8 @@ tcpOpenDialog(char *str)
else else
bzero(nameserver, sizeof(nameserver)); bzero(nameserver, sizeof(nameserver));
/* Loop over the layout list, create the objects, and add them
onto the chain of objects that dialog uses for traversal*/
n = 0; n = 0;
#define lt layout[n] #define lt layout[n]
while (lt.help != NULL) { while (lt.help != NULL) {
@ -256,38 +289,61 @@ tcpOpenDialog(char *str)
n++; n++;
} }
max = n - 1; max = n - 1;
/* Find the last object we can traverse to */
last = obj; last = obj;
while (last->next) while (last->next)
last = last->next; last = last->next;
/* find the first object in the list */ /* Find the first object in the list */
first = obj; first = obj;
while (first->prev) while (first->prev)
first = first->prev; first = first->prev;
/* Some more initialisation before we go into the main input loop */
n = 0; n = 0;
cancelbutton = okbutton = 0; cancelbutton = okbutton = 0;
strcpy(iface, iface_names[0]); strcpy(iface, iface_names[0]);
if_list[0].valid = FALSE;
strcpy(old_iface, iface); strcpy(old_iface, iface);
/* Incoming user data - DUCK! */
while (!quit) { while (!quit) {
char help_line[80]; char help_line[80];
int i, len = strlen(lt.help); int i, len = strlen(lt.help);
/* Display the help line at the bottom of the screen */
for (i = 0; i < 79; i++) for (i = 0; i < 79; i++)
help_line[i] = (i < len) ? lt.help[i] : ' '; help_line[i] = (i < len) ? lt.help[i] : ' ';
help_line[i] = '\0'; help_line[i] = '\0';
use_helpline(help_line); use_helpline(help_line);
display_helpline(ds_win, LINES - 1, COLS - 1); display_helpline(ds_win, LINES - 1, COLS - 1);
/* Ask for libdialog to do its stuff */
ret = PollObj(&obj); ret = PollObj(&obj);
/* We are in the Hostname field - calculate the domainname */
if (n == 0) {
if ((tmp = index(hostname, '.')) != NULL) {
strncpy(domainname, tmp + 1, strlen(tmp + 1));
domainname[strlen(tmp+1)] = '\0';
RefreshStringObj(layout[1].obj);
}
}
/* Handle special case stuff that libdialog misses. Sigh */
switch (ret) { switch (ret) {
/* Bail out */
case SEL_ESC: case SEL_ESC:
quit = TRUE, cancel=TRUE; quit = TRUE, cancel=TRUE;
break; break;
/* This doesn't work for list dialogs. Oh well. Perhaps
should special case the move from the OK button ``up''
to make it go to the interface list, but then it gets
awkward for the user to go back and correct screw up's
in the per-interface section */
case KEY_UP: case KEY_UP:
if (obj->prev !=NULL ) { if (obj->prev !=NULL ) {
obj = obj->prev; obj = obj->prev;
@ -298,9 +354,13 @@ tcpOpenDialog(char *str)
} }
break; break;
/* More special case handling - if we are at the interface
list, move to the OK button - the user hasn't selected
one of the entries in the list by pressing CR, so (s)he
must be wanting to skip to <OK> & <CANCEL> */
case KEY_DOWN: case KEY_DOWN:
if (n == 7) { if (n == LAYOUT_EXTRAS) {
n = 4; n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
} else if (obj->next != NULL) { } else if (obj->next != NULL) {
obj = obj->next; obj = obj->next;
@ -311,21 +371,32 @@ tcpOpenDialog(char *str)
} }
break; break;
/* Same as KEY_DOWN, but dialog has already move us to the
next object on the list, which makes this slightly
different. */
case SEL_TAB: case SEL_TAB:
if (n == 7) { if (n == LAYOUT_EXTRAS) {
n = 4; n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
} else if (obj->next != NULL) { } else if (obj->next != NULL) {
++n; ++n;
} else { } else {
n = 0; n = 0;
} }
if (n == 5) {
n = 8; /* This looks double dutch, but we have already MOVED onto
the next field, so we special case around getting to
that field, rather than moving off the previous
one. Hence we are really testing for
(n ==_IFACE) */
if (n == LAYOUT_IPADDR) {
n = LAYOUT_OKBUTTON;
obj = ((obj->next)->next)->next; obj = ((obj->next)->next)->next;
} }
break; break;
/* The user has pressed enter over a button object */
case SEL_BUTTON: case SEL_BUTTON:
if (cancelbutton) { if (cancelbutton) {
cancel = TRUE, quit = TRUE; cancel = TRUE, quit = TRUE;
@ -335,8 +406,12 @@ tcpOpenDialog(char *str)
} }
break; break;
/* Generic CR handler */
case SEL_CR: case SEL_CR:
/* Has the user selected a new interface? */
if (strcmp(old_iface, iface)) { if (strcmp(old_iface, iface)) {
/* Moved to a different condition for better handling */
#if 0
/* First, find the old value */ /* First, find the old value */
n_iface = 0; n_iface = 0;
while (strcmp(old_iface, iface_names[n_iface]) && while (strcmp(old_iface, iface_names[n_iface]) &&
@ -345,10 +420,31 @@ tcpOpenDialog(char *str)
if (iface_names[n_iface] == NULL) if (iface_names[n_iface] == NULL)
msgFatal("Erk - run off the end of the list of interfaces!"); msgFatal("Erk - run off the end of the list of interfaces!");
/* Sanity check what the user supplied - this could probably
be better :-( */
if (!verifyIP(ipaddr)) {
feepout("Invalid or missing IP address!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
if (netmask[0] < '0' || netmask[0] > '9') {
feepout("Invalid or missing netmask!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
strcpy(if_list[n_iface].ipaddr, ipaddr); strcpy(if_list[n_iface].ipaddr, ipaddr);
strcpy(if_list[n_iface].netmask, netmask); strcpy(if_list[n_iface].netmask, netmask);
strcpy(if_list[n_iface].extras, extras); strcpy(if_list[n_iface].extras, extras);
if_list[n_iface].valid = TRUE;
#endif /* if 0 */
/* Now go find the new location */ /* Now go find the new location */
n_iface = 0; n_iface = 0;
while (strcmp(iface, iface_names[n_iface]) && while (strcmp(iface, iface_names[n_iface]) &&
@ -359,23 +455,62 @@ tcpOpenDialog(char *str)
strcpy(ipaddr, if_list[n_iface].ipaddr); strcpy(ipaddr, if_list[n_iface].ipaddr);
strcpy(netmask, if_list[n_iface].netmask); strcpy(netmask, if_list[n_iface].netmask);
strcpy(extras, if_list[n_iface].extras); strcpy(extras, if_list[n_iface].extras);
if_list[n_iface].valid = FALSE;
RefreshStringObj(layout[5].obj); RefreshStringObj(layout[LAYOUT_IPADDR].obj);
RefreshStringObj(layout[6].obj); RefreshStringObj(layout[LAYOUT_NETMASK].obj);
RefreshStringObj(layout[7].obj); RefreshStringObj(layout[LAYOUT_EXTRAS].obj);
strcpy(old_iface, iface); strcpy(old_iface, iface);
} }
if (n == 7) { /* Loop back to the interface list from the extras box -
n = 4; now we handle the case of saving out the data the user
typed in (and also do basic verification of it's
sanity) */
if (n == LAYOUT_EXTRAS) {
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
/* First, find the old value */
n_iface = 0;
while (strcmp(old_iface, iface_names[n_iface]) &&
(iface_names[n_iface] != NULL))
++n_iface;
if (iface_names[n_iface] == NULL)
msgFatal("Erk - run off the end of the list of interfaces!");
/* Sanity check what the user supplied - this could probably
be better :-( */
if (!verifyIP(ipaddr)) {
feepout("Invalid or missing IP address!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
if (netmask[0] < '0' || netmask[0] > '9') {
feepout("Invalid or missing netmask!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
strcpy(if_list[n_iface].ipaddr, ipaddr);
strcpy(if_list[n_iface].netmask, netmask);
strcpy(if_list[n_iface].extras, extras);
if_list[n_iface].valid = TRUE;
} else if (n < max) } else if (n < max)
++n; ++n;
else else
n = 0; n = 0;
break; break;
/* This doesn't seem to work anymore - dunno why. Foo */
case SEL_BACKTAB: case SEL_BACKTAB:
if (n) if (n)
--n; --n;
@ -383,29 +518,50 @@ tcpOpenDialog(char *str)
n = max; n = max;
break; break;
/* They tried some key combination we don't support - tell them! */
default: default:
beep(); beep();
} }
if (n == 1) { /* BODGE ALERT! */
if ((tmp = index(hostname, '.')) != NULL) { if ((tmp = index(hostname, '.')) != NULL) {
strncpy(domainname, tmp + 1, strlen(tmp + 1)); strncpy(domainname, tmp + 1, strlen(tmp + 1));
domainname[strlen(tmp+1)] = '\0'; domainname[strlen(tmp+1)] = '\0';
RefreshStringObj(layout[1].obj); RefreshStringObj(layout[1].obj);
}
} }
} }
/* Clear this crap off the screen */
dialog_clear(); dialog_clear();
refresh(); refresh();
/* We actually need to inform the rest of sysinstall about this
data now - if the user hasn't selected cancel, save the stuff
out to the environment via the variable_set layers */
if (!cancel) { if (!cancel) {
int foo;
variable_set2(VAR_HOSTNAME, hostname); variable_set2(VAR_HOSTNAME, hostname);
variable_set2(VAR_DOMAINNAME, domainname); variable_set2(VAR_DOMAINNAME, domainname);
if (gateway[0]) if (gateway[0])
variable_set2(VAR_GATEWAY, gateway); variable_set2(VAR_GATEWAY, gateway);
if (nameserver[0]) if (nameserver[0])
variable_set2(VAR_NAMESERVER, nameserver); variable_set2(VAR_NAMESERVER, nameserver);
/* Loop over the per-interface data saving data which has been
validated ... */
foo = 0;
for (foo = 0 ; foo < INTERFACE_MAX ; foo++) {
if (if_list[foo].valid == TRUE) {
char temp[512], ifn[64];
sprintf(temp, "inet %s %s netmask %s",
if_list[foo].ipaddr, if_list[foo].extras,
if_list[foo].netmask);
sprintf(ifn, "ifconfig_%s", iface_names[foo]);
variable_set2(ifn, temp);
}
}
return 1; return 1;
} }

228
usr.sbin/sysinstall/tcpip.c
View File

@ -1,5 +1,5 @@
/* /*
* $Id: tcpip.c,v 1.1 1995/05/16 02:53:28 jkh Exp $ * $Id: tcpip.c,v 1.3 1995/05/16 20:00:51 gpalmer Exp $
* *
* Copyright (c) 1995 * Copyright (c) 1995
* Gary J Palmer. All rights reserved. * Gary J Palmer. All rights reserved.
@ -49,80 +49,98 @@
#include "rc.h" #include "rc.h"
#include "sysinstall.h" #include "sysinstall.h"
/* These are nasty, but they make the layout structure a lot easier ... */
static char hostname[256], domainname[256], static char hostname[256], domainname[256],
gateway[32], nameserver[32], iface[8]; gateway[32], nameserver[32], iface[8];
static int okbutton, cancelbutton; static int okbutton, cancelbutton;
static char ipaddr[32], netmask[32], extras[256]; static char ipaddr[32], netmask[32], extras[256];
/* What the screen size is meant to be */
#define TCP_DIALOG_Y 0 #define TCP_DIALOG_Y 0
#define TCP_DIALOG_X 8 #define TCP_DIALOG_X 8
#define TCP_DIALOG_WIDTH COLS - 16 #define TCP_DIALOG_WIDTH COLS - 16
#define TCP_DIALOG_HEIGHT LINES - 2 #define TCP_DIALOG_HEIGHT LINES - 2
/* The per interface set of records */
typedef struct _interface { typedef struct _interface {
char ipaddr[32]; char ipaddr[32];
char netmask[32]; char netmask[32];
char extras[256]; char extras[256]; /* Extra stuff for ifconfig (link0, etc) */
Device *dev; int valid;
} Interface; } Interface;
/* The names and details of the available interfaces, for the list */ /* The names and details of the available interfaces, for the list */
Interface if_list[INTERFACE_MAX]; Interface if_list[INTERFACE_MAX];
char *iface_names[INTERFACE_MAX]; char *iface_names[INTERFACE_MAX];
/* The screen layout structure */
typedef struct _layout { typedef struct _layout {
int y; int y; /* x & Y co-ordinates */
int x; int x;
int len; int len; /* The size of the dialog on the screen */
int maxlen; int maxlen; /* How much the user can type in ... */
char *prompt; char *prompt; /* The string for the prompt */
char *help; char *help; /* The display for the help line */
void *var; void *var; /* The var to set when this changes */
int type; int type; /* The type of the dialog to create */
void *obj; void *obj; /* The obj pointer returned by libdialog */
} Layout; } Layout;
static Layout layout[] = { static Layout layout[] = {
{ 1, 2, 25, 255, { 1, 2, 25, 255,
"Host name:", "The name of your machine on a network, e.g. foo.bar.com", "Host name:", "The name of your machine on a network, e.g. foo.bar.com",
hostname, STRINGOBJ, NULL }, hostname, STRINGOBJ, NULL },
#define LAYOUT_HOSTNAME 0
{ 1, 35, 20, 255, { 1, 35, 20, 255,
"Domain name:", "Domain name:",
"The name of the domain that your machine is in, e.g. bar.com", "The name of the domain that your machine is in, e.g. bar.com",
domainname, STRINGOBJ, NULL }, domainname, STRINGOBJ, NULL },
#define LAYOUT_DOMAINNAME 1
{ 5, 2, 18, 15, { 5, 2, 18, 15,
"Gateway:", "Gateway:",
"IP address of host forwarding packets to non-local hosts or nets", "IP address of host forwarding packets to non-local hosts or nets",
gateway, STRINGOBJ, NULL }, gateway, STRINGOBJ, NULL },
#define LAYOUT_GATEWAY 2
{ 5, 35, 18, 15, { 5, 35, 18, 15,
"Name server:", "IP address of your local DNS server", "Name server:", "IP address of your local DNS server",
nameserver, STRINGOBJ, NULL }, nameserver, STRINGOBJ, NULL },
#define LAYOUT_NAMESERVER 3
{ 9, 2, 9, 6, { 9, 2, 9, 6,
"Interface:", "One of potentially several network interfaces", "Interface:",
"Network devices found on boot (use <TAB> to exit from here)",
iface, LISTOBJ, NULL }, iface, LISTOBJ, NULL },
#define LAYOUT_IFACE 4
{ 10, 18, 18, 15, { 10, 18, 18, 15,
"IP Address:", "IP Address:",
"The IP address to be used for your host - use 127.0.0.1 for loopback", "The IP address to be used for your host - use 127.0.0.1 for loopback",
ipaddr, STRINGOBJ, NULL }, ipaddr, STRINGOBJ, NULL },
#define LAYOUT_IPADDR 5
{ 10, 37, 18, 15, { 10, 37, 18, 15,
"Netmask:", "Netmask:",
"The netmask for your network, e.g. 0xffffff00 for a class C network", "The netmask for your network, e.g. 0xffffff00 for a class C network",
netmask, STRINGOBJ, NULL }, netmask, STRINGOBJ, NULL },
#define LAYOUT_NETMASK 6
{ 14, 18, 37, 255, { 14, 18, 37, 255,
"Extra options to ifconfig:", "Extra options to ifconfig:",
"Any options to ifconfig you'd like to specify manually", "Any options to ifconfig you'd like to specify manually",
extras, STRINGOBJ, NULL }, extras, STRINGOBJ, NULL },
#define LAYOUT_EXTRAS 7
{ 19, 10, 0, 0, { 19, 10, 0, 0,
"OK", "Select this if you are happy with these settings", "OK", "Select this if you are happy with these settings",
&okbutton, BUTTONOBJ, NULL }, &okbutton, BUTTONOBJ, NULL },
#define LAYOUT_OKBUTTON 8
{ 19, 30, 0, 0, { 19, 30, 0, 0,
"CANCEL", "Select this if you wish to cancel this screen", "CANCEL", "Select this if you wish to cancel this screen",
&cancelbutton, BUTTONOBJ, NULL }, &cancelbutton, BUTTONOBJ, NULL },
#define LAYOUT_CANCELBUTTON 9
{ NULL }, { NULL },
}; };
#define _validByte(b) ((b) > 0 && (b) < 255) #define _validByte(b) ((b) > 0 && (b) < 255)
/* A JKH special - inform the user of an unusal error in a controlled
fashion */
static void static void
feepout(char *msg) feepout(char *msg)
{ {
@ -130,6 +148,7 @@ feepout(char *msg)
dialog_notify(msg); dialog_notify(msg);
} }
/* Very basic IP address integrity check - could be drastically improved */
static int static int
verifyIP(char *ip) verifyIP(char *ip)
{ {
@ -143,19 +162,26 @@ verifyIP(char *ip)
return 0; return 0;
} }
/* Check for the settings on the screen - the per interface stuff is
moved to the main handling code now to do it on the fly - sigh */
static int static int
verifySettings(void) verifySettings(void)
{ {
if (!hostname[0]) if (!hostname[0])
feepout("Must specify a host name of some sort!"); feepout("Must specify a host name of some sort!");
#if 0
else if (!verifyIP(ipaddr)) else if (!verifyIP(ipaddr))
feepout("Invalid or missing value for IP address"); feepout("Invalid or missing value for IP address");
#endif
else if (gateway[0] && !verifyIP(gateway)) else if (gateway[0] && !verifyIP(gateway))
feepout("Invalid gateway IP address specified"); feepout("Invalid gateway IP address specified");
else if (nameserver[0] && !verifyIP(nameserver)) else if (nameserver[0] && !verifyIP(nameserver))
feepout("Invalid name server IP address specified"); feepout("Invalid name server IP address specified");
#if 0
else if (netmask[0] < '0' || netmask[0] > '9') else if (netmask[0] < '0' || netmask[0] > '9')
feepout("Invalid or missing netmask"); feepout("Invalid or missing netmask");
#endif
else else
return 1; return 1;
return 0; return 0;
@ -174,10 +200,12 @@ tcpOpenDialog(char *str)
Device **devs; Device **devs;
char old_iface[8]; char old_iface[8];
/* We need a curses window */
ds_win = newwin(LINES, COLS, 0, 0); ds_win = newwin(LINES, COLS, 0, 0);
if (ds_win == 0) if (ds_win == 0)
msgFatal("Cannot open TCP/IP dialog window!!"); msgFatal("Cannot open TCP/IP dialog window!!");
/* Look for net.devices for us to configure */
devs = deviceFind(NULL, DEVICE_TYPE_NETWORK); devs = deviceFind(NULL, DEVICE_TYPE_NETWORK);
if (!devs) { if (!devs) {
msgConfirm("Couldn't find any potential network devices!"); msgConfirm("Couldn't find any potential network devices!");
@ -190,6 +218,7 @@ tcpOpenDialog(char *str)
} }
n_iface = --n; n_iface = --n;
/* Setup a nice screen for us to splat stuff onto */
draw_box(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X, draw_box(ds_win, TCP_DIALOG_Y, TCP_DIALOG_X,
TCP_DIALOG_HEIGHT, TCP_DIALOG_WIDTH, TCP_DIALOG_HEIGHT, TCP_DIALOG_WIDTH,
dialog_attr, border_attr); dialog_attr, border_attr);
@ -203,11 +232,13 @@ tcpOpenDialog(char *str)
mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 24, mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 24,
" Per Interface Configuration "); " Per Interface Configuration ");
/* Initialise vars so that dialog has something to chew on */
strcpy(ipaddr, if_list[0].ipaddr); strcpy(ipaddr, if_list[0].ipaddr);
strcpy(netmask, if_list[0].netmask); strcpy(netmask, if_list[0].netmask);
strcpy(extras, if_list[0].extras); strcpy(extras, if_list[0].extras);
/* Look up values already recorded with the system, or blank the
string variables ready to accept some new data */
tmp = getenv(VAR_HOSTNAME); tmp = getenv(VAR_HOSTNAME);
if (tmp) if (tmp)
strcpy(hostname, tmp); strcpy(hostname, tmp);
@ -229,6 +260,8 @@ tcpOpenDialog(char *str)
else else
bzero(nameserver, sizeof(nameserver)); bzero(nameserver, sizeof(nameserver));
/* Loop over the layout list, create the objects, and add them
onto the chain of objects that dialog uses for traversal*/
n = 0; n = 0;
#define lt layout[n] #define lt layout[n]
while (lt.help != NULL) { while (lt.help != NULL) {
@ -256,38 +289,61 @@ tcpOpenDialog(char *str)
n++; n++;
} }
max = n - 1; max = n - 1;
/* Find the last object we can traverse to */
last = obj; last = obj;
while (last->next) while (last->next)
last = last->next; last = last->next;
/* find the first object in the list */ /* Find the first object in the list */
first = obj; first = obj;
while (first->prev) while (first->prev)
first = first->prev; first = first->prev;
/* Some more initialisation before we go into the main input loop */
n = 0; n = 0;
cancelbutton = okbutton = 0; cancelbutton = okbutton = 0;
strcpy(iface, iface_names[0]); strcpy(iface, iface_names[0]);
if_list[0].valid = FALSE;
strcpy(old_iface, iface); strcpy(old_iface, iface);
/* Incoming user data - DUCK! */
while (!quit) { while (!quit) {
char help_line[80]; char help_line[80];
int i, len = strlen(lt.help); int i, len = strlen(lt.help);
/* Display the help line at the bottom of the screen */
for (i = 0; i < 79; i++) for (i = 0; i < 79; i++)
help_line[i] = (i < len) ? lt.help[i] : ' '; help_line[i] = (i < len) ? lt.help[i] : ' ';
help_line[i] = '\0'; help_line[i] = '\0';
use_helpline(help_line); use_helpline(help_line);
display_helpline(ds_win, LINES - 1, COLS - 1); display_helpline(ds_win, LINES - 1, COLS - 1);
/* Ask for libdialog to do its stuff */
ret = PollObj(&obj); ret = PollObj(&obj);
/* We are in the Hostname field - calculate the domainname */
if (n == 0) {
if ((tmp = index(hostname, '.')) != NULL) {
strncpy(domainname, tmp + 1, strlen(tmp + 1));
domainname[strlen(tmp+1)] = '\0';
RefreshStringObj(layout[1].obj);
}
}
/* Handle special case stuff that libdialog misses. Sigh */
switch (ret) { switch (ret) {
/* Bail out */
case SEL_ESC: case SEL_ESC:
quit = TRUE, cancel=TRUE; quit = TRUE, cancel=TRUE;
break; break;
/* This doesn't work for list dialogs. Oh well. Perhaps
should special case the move from the OK button ``up''
to make it go to the interface list, but then it gets
awkward for the user to go back and correct screw up's
in the per-interface section */
case KEY_UP: case KEY_UP:
if (obj->prev !=NULL ) { if (obj->prev !=NULL ) {
obj = obj->prev; obj = obj->prev;
@ -298,9 +354,13 @@ tcpOpenDialog(char *str)
} }
break; break;
/* More special case handling - if we are at the interface
list, move to the OK button - the user hasn't selected
one of the entries in the list by pressing CR, so (s)he
must be wanting to skip to <OK> & <CANCEL> */
case KEY_DOWN: case KEY_DOWN:
if (n == 7) { if (n == LAYOUT_EXTRAS) {
n = 4; n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
} else if (obj->next != NULL) { } else if (obj->next != NULL) {
obj = obj->next; obj = obj->next;
@ -311,21 +371,32 @@ tcpOpenDialog(char *str)
} }
break; break;
/* Same as KEY_DOWN, but dialog has already move us to the
next object on the list, which makes this slightly
different. */
case SEL_TAB: case SEL_TAB:
if (n == 7) { if (n == LAYOUT_EXTRAS) {
n = 4; n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
} else if (obj->next != NULL) { } else if (obj->next != NULL) {
++n; ++n;
} else { } else {
n = 0; n = 0;
} }
if (n == 5) {
n = 8; /* This looks double dutch, but we have already MOVED onto
the next field, so we special case around getting to
that field, rather than moving off the previous
one. Hence we are really testing for
(n ==_IFACE) */
if (n == LAYOUT_IPADDR) {
n = LAYOUT_OKBUTTON;
obj = ((obj->next)->next)->next; obj = ((obj->next)->next)->next;
} }
break; break;
/* The user has pressed enter over a button object */
case SEL_BUTTON: case SEL_BUTTON:
if (cancelbutton) { if (cancelbutton) {
cancel = TRUE, quit = TRUE; cancel = TRUE, quit = TRUE;
@ -335,8 +406,12 @@ tcpOpenDialog(char *str)
} }
break; break;
/* Generic CR handler */
case SEL_CR: case SEL_CR:
/* Has the user selected a new interface? */
if (strcmp(old_iface, iface)) { if (strcmp(old_iface, iface)) {
/* Moved to a different condition for better handling */
#if 0
/* First, find the old value */ /* First, find the old value */
n_iface = 0; n_iface = 0;
while (strcmp(old_iface, iface_names[n_iface]) && while (strcmp(old_iface, iface_names[n_iface]) &&
@ -345,10 +420,31 @@ tcpOpenDialog(char *str)
if (iface_names[n_iface] == NULL) if (iface_names[n_iface] == NULL)
msgFatal("Erk - run off the end of the list of interfaces!"); msgFatal("Erk - run off the end of the list of interfaces!");
/* Sanity check what the user supplied - this could probably
be better :-( */
if (!verifyIP(ipaddr)) {
feepout("Invalid or missing IP address!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
if (netmask[0] < '0' || netmask[0] > '9') {
feepout("Invalid or missing netmask!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
strcpy(if_list[n_iface].ipaddr, ipaddr); strcpy(if_list[n_iface].ipaddr, ipaddr);
strcpy(if_list[n_iface].netmask, netmask); strcpy(if_list[n_iface].netmask, netmask);
strcpy(if_list[n_iface].extras, extras); strcpy(if_list[n_iface].extras, extras);
if_list[n_iface].valid = TRUE;
#endif /* if 0 */
/* Now go find the new location */ /* Now go find the new location */
n_iface = 0; n_iface = 0;
while (strcmp(iface, iface_names[n_iface]) && while (strcmp(iface, iface_names[n_iface]) &&
@ -359,23 +455,62 @@ tcpOpenDialog(char *str)
strcpy(ipaddr, if_list[n_iface].ipaddr); strcpy(ipaddr, if_list[n_iface].ipaddr);
strcpy(netmask, if_list[n_iface].netmask); strcpy(netmask, if_list[n_iface].netmask);
strcpy(extras, if_list[n_iface].extras); strcpy(extras, if_list[n_iface].extras);
if_list[n_iface].valid = FALSE;
RefreshStringObj(layout[5].obj); RefreshStringObj(layout[LAYOUT_IPADDR].obj);
RefreshStringObj(layout[6].obj); RefreshStringObj(layout[LAYOUT_NETMASK].obj);
RefreshStringObj(layout[7].obj); RefreshStringObj(layout[LAYOUT_EXTRAS].obj);
strcpy(old_iface, iface); strcpy(old_iface, iface);
} }
if (n == 7) { /* Loop back to the interface list from the extras box -
n = 4; now we handle the case of saving out the data the user
typed in (and also do basic verification of it's
sanity) */
if (n == LAYOUT_EXTRAS) {
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next; obj = (((first->next)->next)->next)->next;
/* First, find the old value */
n_iface = 0;
while (strcmp(old_iface, iface_names[n_iface]) &&
(iface_names[n_iface] != NULL))
++n_iface;
if (iface_names[n_iface] == NULL)
msgFatal("Erk - run off the end of the list of interfaces!");
/* Sanity check what the user supplied - this could probably
be better :-( */
if (!verifyIP(ipaddr)) {
feepout("Invalid or missing IP address!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
if (netmask[0] < '0' || netmask[0] > '9') {
feepout("Invalid or missing netmask!");
strcpy(iface, old_iface);
n = LAYOUT_IFACE;
obj = (((first->next)->next)->next)->next;
RefreshListObj(layout[LAYOUT_IFACE].obj);
}
strcpy(if_list[n_iface].ipaddr, ipaddr);
strcpy(if_list[n_iface].netmask, netmask);
strcpy(if_list[n_iface].extras, extras);
if_list[n_iface].valid = TRUE;
} else if (n < max) } else if (n < max)
++n; ++n;
else else
n = 0; n = 0;
break; break;
/* This doesn't seem to work anymore - dunno why. Foo */
case SEL_BACKTAB: case SEL_BACKTAB:
if (n) if (n)
--n; --n;
@ -383,29 +518,50 @@ tcpOpenDialog(char *str)
n = max; n = max;
break; break;
/* They tried some key combination we don't support - tell them! */
default: default:
beep(); beep();
} }
if (n == 1) { /* BODGE ALERT! */
if ((tmp = index(hostname, '.')) != NULL) { if ((tmp = index(hostname, '.')) != NULL) {
strncpy(domainname, tmp + 1, strlen(tmp + 1)); strncpy(domainname, tmp + 1, strlen(tmp + 1));
domainname[strlen(tmp+1)] = '\0'; domainname[strlen(tmp+1)] = '\0';
RefreshStringObj(layout[1].obj); RefreshStringObj(layout[1].obj);
}
} }
} }
/* Clear this crap off the screen */
dialog_clear(); dialog_clear();
refresh(); refresh();
/* We actually need to inform the rest of sysinstall about this
data now - if the user hasn't selected cancel, save the stuff
out to the environment via the variable_set layers */
if (!cancel) { if (!cancel) {
int foo;
variable_set2(VAR_HOSTNAME, hostname); variable_set2(VAR_HOSTNAME, hostname);
variable_set2(VAR_DOMAINNAME, domainname); variable_set2(VAR_DOMAINNAME, domainname);
if (gateway[0]) if (gateway[0])
variable_set2(VAR_GATEWAY, gateway); variable_set2(VAR_GATEWAY, gateway);
if (nameserver[0]) if (nameserver[0])
variable_set2(VAR_NAMESERVER, nameserver); variable_set2(VAR_NAMESERVER, nameserver);
/* Loop over the per-interface data saving data which has been
validated ... */
foo = 0;
for (foo = 0 ; foo < INTERFACE_MAX ; foo++) {
if (if_list[foo].valid == TRUE) {
char temp[512], ifn[64];
sprintf(temp, "inet %s %s netmask %s",
if_list[foo].ipaddr, if_list[foo].extras,
if_list[foo].netmask);
sprintf(ifn, "ifconfig_%s", iface_names[foo]);
variable_set2(ifn, temp);
}
}
return 1; return 1;
} }