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freebsd-dev/usr.sbin/sysinstall/tcpip.c
Jun Kuriyama b46e66a5a5 debugMsg() should end with "\n".
2002-11-01 02:05:05 +00:00

694 lines
20 KiB
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/*
* $FreeBSD$
*
* Copyright (c) 1995
* Gary J Palmer. All rights reserved.
* Copyright (c) 1996
* Jordan K. Hubbard. 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,
* verbatim and that no modifications are made prior to this
* point in the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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, LIFE 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.
*
*/
/*
* All kinds of hacking also performed by jkh on this code. Don't
* blame Gary for every bogosity you see here.. :-)
*
* -jkh
*/
#include "sysinstall.h"
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
/* The help file for the TCP/IP setup screen */
#define TCP_HELPFILE "tcp"
/* These are nasty, but they make the layout structure a lot easier ... */
static char hostname[HOSTNAME_FIELD_LEN], domainname[HOSTNAME_FIELD_LEN],
gateway[IPADDR_FIELD_LEN], nameserver[INET6_ADDRSTRLEN];
static int okbutton, cancelbutton;
static char ipaddr[IPADDR_FIELD_LEN], netmask[IPADDR_FIELD_LEN], extras[EXTRAS_FIELD_LEN];
static char ipv6addr[INET6_ADDRSTRLEN];
/* What the screen size is meant to be */
#define TCP_DIALOG_Y 0
#define TCP_DIALOG_X 8
#define TCP_DIALOG_WIDTH COLS - 16
#define TCP_DIALOG_HEIGHT LINES - 2
static Layout layout[] = {
#define LAYOUT_HOSTNAME 0
{ 1, 2, 25, HOSTNAME_FIELD_LEN - 1,
"Host:", "Your fully-qualified hostname, e.g. foo.bar.com",
hostname, STRINGOBJ, NULL },
#define LAYOUT_DOMAINNAME 1
{ 1, 35, 20, HOSTNAME_FIELD_LEN - 1,
"Domain:",
"The name of the domain that your machine is in, e.g. bar.com",
domainname, STRINGOBJ, NULL },
#define LAYOUT_GATEWAY 2
{ 5, 2, 18, IPADDR_FIELD_LEN - 1,
"IPv4 Gateway:",
"IPv4 address of host forwarding packets to non-local destinations",
gateway, STRINGOBJ, NULL },
#define LAYOUT_NAMESERVER 3
{ 5, 35, 18, INET6_ADDRSTRLEN - 1,
"Name server:", "IPv4 or IPv6 address of your local DNS server",
nameserver, STRINGOBJ, NULL },
#define LAYOUT_IPADDR 4
{ 10, 10, 18, IPADDR_FIELD_LEN - 1,
"IPv4 Address:",
"The IPv4 address to be used for this interface",
ipaddr, STRINGOBJ, NULL },
#define LAYOUT_NETMASK 5
{ 10, 35, 18, IPADDR_FIELD_LEN - 1,
"Netmask:",
"The netmask for this interface, e.g. 0xffffff00 for a class C network",
netmask, STRINGOBJ, NULL },
#define LAYOUT_EXTRAS 6
{ 14, 10, 37, HOSTNAME_FIELD_LEN - 1,
"Extra options to ifconfig:",
"Any interface-specific options to ifconfig you would like to add",
extras, STRINGOBJ, NULL },
#define LAYOUT_OKBUTTON 7
{ 19, 15, 0, 0,
"OK", "Select this if you are happy with these settings",
&okbutton, BUTTONOBJ, NULL },
#define LAYOUT_CANCELBUTTON 8
{ 19, 35, 0, 0,
"CANCEL", "Select this if you wish to cancel this screen",
&cancelbutton, BUTTONOBJ, NULL },
{ NULL },
};
#define _validByte(b) ((b) >= 0 && (b) <= 255)
/* whine */
static void
feepout(char *msg)
{
beep();
msgConfirm("%s", msg);
}
/* Verify IP address integrity */
static int
verifyIP(char *ip, unsigned long *mask, unsigned long *out)
{
long a, b, c, d;
char *endptr;
unsigned long parsedip;
unsigned long max_addr = (255 << 24) | (255 << 16) | (255 << 8) | 255;
if (ip == NULL)
return 0;
a = strtol(ip, &endptr, 10);
if (*endptr++ != '.')
return 0;
b = strtol(endptr, &endptr, 10);
if (*endptr++ != '.')
return 0;
c = strtol(endptr, &endptr, 10);
if (*endptr++ != '.')
return 0;
d = strtol(endptr, &endptr, 10);
if (*endptr != '\0')
return 0;
if (!_validByte(a) || !_validByte(b) || !_validByte(c) || !_validByte(d))
return 0;
parsedip = (a << 24) | (b << 16) | (c << 8) | d;
if (out)
*out = parsedip;
/*
* The ip address must not be network or broadcast address.
*/
if (mask && ((parsedip == (parsedip & *mask)) ||
(parsedip == ((parsedip & *mask) + max_addr - *mask))))
return 0;
return 1;
}
static int
verifyIP6(char *ip)
{
struct addrinfo hints, *res;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
if (getaddrinfo(ip, NULL, &hints, &res) == 0) {
freeaddrinfo(res);
return 1;
}
return 0;
}
/* Verify IPv4 netmask as being well-formed as
a 0x or AAA.BBB.CCC.DDD mask */
static int
verifyNetmask(const char *netmask, unsigned long *out)
{
unsigned long mask;
unsigned long tmp;
char *endptr;
if (netmask[0] == '0' && (netmask[1] == 'x' || netmask[1] == 'X')) {
/* Parse out hex mask */
mask = strtoul(netmask, &endptr, 0);
if (*endptr != '\0')
return 0;
} else {
/* Parse out quad decimal mask */
mask = strtoul(netmask, &endptr, 10);
if (!_validByte(mask) || *endptr++ != '.')
return 0;
tmp = strtoul(endptr, &endptr, 10);
if (!_validByte(tmp) || *endptr++ != '.')
return 0;
mask = (mask << 8) + tmp;
tmp = strtoul(endptr, &endptr, 10);
if (!_validByte(tmp) || *endptr++ != '.')
return 0;
mask = (mask << 8) + tmp;
tmp = strtoul(endptr, &endptr, 10);
if (!_validByte(tmp) || *endptr++ != '\0')
return 0;
mask = (mask << 8) + tmp;
}
/* Verify that we have a continous netmask */
if ((((-mask & mask) - 1) | mask) != 0xffffffff)
return 0;
if (out)
*out = mask;
return 1;
}
static int
verifyGW(char *gw, unsigned long *ip, unsigned long *mask)
{
unsigned long parsedgw;
if (!verifyIP(gw, mask, &parsedgw))
return 0;
/* Gateway needs to be within the set of IPs reachable through the
interface */
if (ip && mask && ((parsedgw & *mask) != (*ip & *mask)))
return 0;
return 1;
}
/* 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
verifySettings(void)
{
unsigned long parsedip;
unsigned long parsednetmask;
if (!hostname[0])
feepout("Must specify a host name of some sort!");
else if (netmask[0] && !verifyNetmask(netmask, &parsednetmask))
feepout("Invalid netmask value");
else if (nameserver[0] && !verifyIP(nameserver, NULL, NULL) &&
!verifyIP6(nameserver))
feepout("Invalid name server IP address specified");
else if (ipaddr[0] && !verifyIP(ipaddr, &parsednetmask, &parsedip))
feepout("Invalid IPv4 address");
else if (gateway[0] && strcmp(gateway, "NO") &&
!verifyGW(gateway, ipaddr[0] ? &parsedip : NULL,
netmask[0] ? &parsednetmask : NULL))
feepout("Invalid gateway IPv4 address specified");
else
return 1;
return 0;
}
static void
dhcpGetInfo(Device *devp)
{
/* If it fails, do it the old-fashioned way */
if (dhcpParseLeases("/var/db/dhclient.leases", hostname, domainname,
nameserver, ipaddr, gateway, netmask) == -1) {
FILE *ifp;
char *cp, cmd[256], data[2048];
int i, j;
/* Bah, now we have to kludge getting the information from ifconfig */
snprintf(cmd, sizeof cmd, "ifconfig %s", devp->name);
ifp = popen(cmd, "r");
if (ifp) {
j = fread(data, 1, sizeof(data), ifp);
fclose(ifp);
if (j < 0) /* paranoia */
j = 0;
data[j] = '\0';
if (isDebug())
msgDebug("DHCP configured interface returns %s\n", data);
/* XXX This is gross as it assumes a certain ordering to
ifconfig's output! XXX */
if ((cp = strstr(data, "inet ")) != NULL) {
i = 0;
cp += 5; /* move over keyword */
while (*cp != ' ')
ipaddr[i++] = *(cp++);
ipaddr[i] = '\0';
if (!strncmp(++cp, "netmask", 7)) {
i = 0;
cp += 8;
while (*cp != ' ')
netmask[i++] = *(cp++);
netmask[i] = '\0';
}
}
}
}
/* If we didn't get a name server value, hunt for it in resolv.conf */
if (!nameserver[0] && file_readable("/etc/resolv.conf"))
configEnvironmentResolv("/etc/resolv.conf");
if (hostname[0])
variable_set2(VAR_HOSTNAME, hostname, 0);
}
static void
rtsolGetInfo(Device *devp)
{
FILE *ifp;
char *cp, cmd[256], data[2048];
int i;
snprintf(cmd, sizeof cmd, "ifconfig %s", devp->name);
if ((ifp = popen(cmd, "r")) == NULL)
return;
while (fgets(data, sizeof(data), ifp) != NULL) {
if (isDebug())
msgDebug("RTSOL configured interface returns %s\n", data);
if ((cp = strstr(data, "inet6 ")) != NULL) {
cp += 6; /* move over keyword */
if (strncmp(cp, "fe80:", 5)) {
i = 0;
while (*cp != ' ')
ipv6addr[i++] = *(cp++);
ipv6addr[i] = '\0';
}
}
}
fclose(ifp);
}
/* This is it - how to get TCP setup values */
int
tcpOpenDialog(Device *devp)
{
WINDOW *ds_win, *save = NULL;
ComposeObj *obj = NULL;
int n = 0, filled = 0, cancel = FALSE;
int max, ret = DITEM_SUCCESS;
int use_dhcp = FALSE;
int use_rtsol = FALSE;
char *tmp;
char title[80];
save = savescr();
/* Initialise vars from previous device values */
if (devp->private) {
DevInfo *di = (DevInfo *)devp->private;
SAFE_STRCPY(ipaddr, di->ipaddr);
SAFE_STRCPY(netmask, di->netmask);
SAFE_STRCPY(extras, di->extras);
use_dhcp = di->use_dhcp;
use_rtsol = di->use_rtsol;
}
else { /* See if there are any defaults */
char *cp;
char *old_interactive = NULL;
/*
* This is a hack so that the dialogs below are interactive in a
* script if we have requested interactive behavior.
*/
if (variable_get(VAR_NONINTERACTIVE) &&
variable_get(VAR_NETINTERACTIVE)) {
old_interactive = strdup(VAR_NONINTERACTIVE);
variable_unset(VAR_NONINTERACTIVE);
}
/*
* Try a RTSOL scan if such behavior is desired.
* If the variable was configured and is YES, do it.
* If it was configured to anything else, treat it as NO.
* Otherwise, ask the question interactively.
*/
if (!variable_cmp(VAR_TRY_RTSOL, "YES") ||
(variable_get(VAR_TRY_RTSOL)==0 && !msgNoYes("Do you want to try IPv6 configuration of the interface?"))) {
int i;
size_t len;
i = 0;
sysctlbyname("net.inet6.ip6.forwarding", NULL, 0, &i, sizeof(i));
i = 1;
sysctlbyname("net.inet6.ip6.accept_rtadv", NULL, 0, &i, sizeof(i));
vsystem("ifconfig %s up", devp->name);
len = sizeof(i);
sysctlbyname("net.inet6.ip6.dad_count", &i, &len, NULL, 0);
sleep(i + 1);
Mkdir("/var/run");
msgNotify("Scanning for RA servers...");
if (0 == vsystem("rtsol %s", devp->name)) {
len = sizeof(i);
sysctlbyname("net.inet6.ip6.dad_count", &i, &len, NULL, 0);
sleep(i + 1);
rtsolGetInfo(devp);
use_rtsol = TRUE;
} else
use_rtsol = FALSE;
}
/*
* First try a DHCP scan if such behavior is desired.
* If the variable was configured and is YES, do it.
* If it was configured to anything else, treat it as NO.
* Otherwise, ask the question interactively.
*/
if (!variable_cmp(VAR_TRY_DHCP, "YES") ||
(variable_get(VAR_TRY_DHCP)==0 && !msgNoYes("Do you want to try DHCP configuration of the interface?"))) {
Mkdir("/var/db");
Mkdir("/var/run");
Mkdir("/tmp");
msgNotify("Scanning for DHCP servers...");
if (0 == vsystem("dhclient -1 %s", devp->name)) {
dhcpGetInfo(devp);
use_dhcp = TRUE;
}
else
use_dhcp = FALSE;
}
/* Restore old VAR_NONINTERACTIVE if needed. */
if (old_interactive != NULL) {
variable_set2(VAR_NONINTERACTIVE, old_interactive, 0);
free(old_interactive);
}
/* Special hack so it doesn't show up oddly in the tcpip setup menu */
if (!strcmp(gateway, "NO"))
gateway[0] = '\0';
/* Get old IP address from variable space, if available */
if (!ipaddr[0]) {
if ((cp = variable_get(VAR_IPADDR)) != NULL)
SAFE_STRCPY(ipaddr, cp);
else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_IPADDR))) != NULL)
SAFE_STRCPY(ipaddr, cp);
}
/* Get old netmask from variable space, if available */
if (!netmask[0]) {
if ((cp = variable_get(VAR_NETMASK)) != NULL)
SAFE_STRCPY(netmask, cp);
else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_NETMASK))) != NULL)
SAFE_STRCPY(netmask, cp);
}
/* Get old extras string from variable space, if available */
if (!extras[0]) {
if ((cp = variable_get(VAR_EXTRAS)) != NULL)
SAFE_STRCPY(extras, cp);
else if ((cp = variable_get(string_concat3(devp->name, "_", VAR_EXTRAS))) != NULL)
SAFE_STRCPY(extras, cp);
}
}
/* Look up values already recorded with the system, or blank the string variables ready to accept some new data */
if (!hostname[0]) {
tmp = variable_get(VAR_HOSTNAME);
if (tmp)
SAFE_STRCPY(hostname, tmp);
}
if (!domainname[0]) {
tmp = variable_get(VAR_DOMAINNAME);
if (tmp)
SAFE_STRCPY(domainname, tmp);
}
if (!gateway[0]) {
tmp = variable_get(VAR_GATEWAY);
if (tmp && strcmp(tmp, "NO"))
SAFE_STRCPY(gateway, tmp);
}
if (!nameserver[0]) {
tmp = variable_get(VAR_NAMESERVER);
if (tmp)
SAFE_STRCPY(nameserver, tmp);
}
/* If non-interactive, jump straight over the dialog crap and into config section */
if (variable_get(VAR_NONINTERACTIVE) &&
!variable_get(VAR_NETINTERACTIVE)) {
if (!hostname[0])
msgConfirm("WARNING: hostname variable not set and is a non-optional\n"
"parameter. Please add this to your installation script\n"
"or set the netInteractive variable (see sysinstall man page)");
else
goto netconfig;
}
/* Now do all the screen I/O */
dialog_clear_norefresh();
/* Modify the help line for PLIP config */
if (!strncmp(devp->name, "lp", 2))
layout[LAYOUT_EXTRAS].help =
"For PLIP configuration, you must enter the peer's IP address here.";
/* We need a curses window */
tmp = " Network Configuration ";
if (ipv6addr[0])
tmp = string_concat(tmp, "(IPv6 ready) ");
if (!(ds_win = openLayoutDialog(TCP_HELPFILE, tmp,
TCP_DIALOG_X, TCP_DIALOG_Y, TCP_DIALOG_WIDTH, TCP_DIALOG_HEIGHT))) {
beep();
msgConfirm("Cannot open TCP/IP dialog window!!");
restorescr(save);
return DITEM_FAILURE;
}
/* Draw interface configuration box */
draw_box(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 8, TCP_DIALOG_HEIGHT - 13, TCP_DIALOG_WIDTH - 17,
dialog_attr, border_attr);
wattrset(ds_win, dialog_attr);
sprintf(title, " Configuration for Interface %s ", devp->name);
mvwaddstr(ds_win, TCP_DIALOG_Y + 9, TCP_DIALOG_X + 14, title);
/* Some more initialisation before we go into the main input loop */
obj = initLayoutDialog(ds_win, layout, TCP_DIALOG_X, TCP_DIALOG_Y, &max);
reenter:
cancelbutton = okbutton = 0;
while (layoutDialogLoop(ds_win, layout, &obj, &n, max, &cancelbutton, &cancel)) {
/* Prevent this from being irritating if user really means NO */
if (filled < 3) {
/* Insert a default value for the netmask, 0xffffff00 is
* the most appropriate one (entire class C, or subnetted
* class A/B network).
*/
if (!netmask[0]) {
strcpy(netmask, "255.255.255.0");
RefreshStringObj(layout[LAYOUT_NETMASK].obj);
++filled;
}
if (!index(hostname, '.') && domainname[0]) {
strcat(hostname, ".");
strcat(hostname, domainname);
RefreshStringObj(layout[LAYOUT_HOSTNAME].obj);
++filled;
}
else if (((tmp = index(hostname, '.')) != NULL) && !domainname[0]) {
SAFE_STRCPY(domainname, tmp + 1);
RefreshStringObj(layout[LAYOUT_DOMAINNAME].obj);
++filled;
}
}
}
if (!cancel && !verifySettings())
goto reenter;
/* Clear this crap off the screen */
delwin(ds_win);
dialog_clear_norefresh();
use_helpfile(NULL);
/* 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() mechanism */
netconfig:
if (!cancel) {
DevInfo *di;
char temp[512], ifn[255];
char *pccard;
int ipv4_enable = FALSE;
if (hostname[0]) {
variable_set2(VAR_HOSTNAME, hostname, 1);
sethostname(hostname, strlen(hostname));
}
if (domainname[0])
variable_set2(VAR_DOMAINNAME, domainname, 0);
if (gateway[0])
variable_set2(VAR_GATEWAY, gateway, use_dhcp ? 0 : 1);
if (nameserver[0])
variable_set2(VAR_NAMESERVER, nameserver, 0);
if (ipaddr[0])
variable_set2(VAR_IPADDR, ipaddr, 0);
if (ipv6addr[0])
variable_set2(VAR_IPV6ADDR, ipv6addr, 0);
if (!devp->private)
devp->private = (DevInfo *)safe_malloc(sizeof(DevInfo));
di = devp->private;
SAFE_STRCPY(di->ipaddr, ipaddr);
SAFE_STRCPY(di->netmask, netmask);
SAFE_STRCPY(di->extras, extras);
di->use_dhcp = use_dhcp;
di->use_rtsol = use_rtsol;
if (use_dhcp || ipaddr[0])
ipv4_enable = TRUE;
if (ipv4_enable) {
sprintf(ifn, "%s%s", VAR_IFCONFIG, devp->name);
if (use_dhcp)
sprintf(temp, "DHCP");
else
sprintf(temp, "inet %s %s netmask %s",
ipaddr, extras, netmask);
variable_set2(ifn, temp, 1);
}
#ifdef PCCARD_ARCH
pccard = variable_get("_pccard_install");
if (pccard && strcmp(pccard, "YES") == 0 && ipv4_enable) {
variable_set2("pccard_ifconfig", temp, 1);
}
#endif
if (use_rtsol)
variable_set2(VAR_IPV6_ENABLE, "YES", 1);
if (!use_dhcp)
configResolv(NULL); /* XXX this will do it on the MFS copy XXX */
ret = DITEM_SUCCESS;
}
else
ret = DITEM_FAILURE;
restorescr(save);
return ret;
}
static Device *NetDev;
static int
netHook(dialogMenuItem *self)
{
Device **devs;
devs = deviceFindDescr(self->prompt, self->title, DEVICE_TYPE_NETWORK);
if (devs) {
if (DITEM_STATUS(tcpOpenDialog(devs[0])) != DITEM_FAILURE)
NetDev = devs[0];
else
NetDev = NULL;
}
return devs ? DITEM_LEAVE_MENU : DITEM_FAILURE;
}
/* Get a network device */
Device *
tcpDeviceSelect(void)
{
DMenu *menu;
Device **devs, *rval;
int cnt;
devs = deviceFind(variable_get(VAR_NETWORK_DEVICE), DEVICE_TYPE_NETWORK);
cnt = deviceCount(devs);
rval = NULL;
if (!cnt) {
msgConfirm("No network devices available!");
return NULL;
}
else if ((!RunningAsInit) && (variable_check("NETWORK_CONFIGURED=NO") != TRUE)) {
if (!msgYesNo("Running multi-user, assume that the network is already configured?"))
return devs[0];
}
if (cnt == 1) {
if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS))
rval = devs[0];
}
else if (variable_get(VAR_NONINTERACTIVE) && variable_get(VAR_NETWORK_DEVICE)) {
devs = deviceFind(variable_get(VAR_NETWORK_DEVICE), DEVICE_TYPE_NETWORK);
cnt = deviceCount(devs);
if (cnt) {
if (DITEM_STATUS(tcpOpenDialog(devs[0]) == DITEM_SUCCESS))
rval = devs[0];
}
}
else {
int status;
menu = deviceCreateMenu(&MenuNetworkDevice, DEVICE_TYPE_NETWORK, netHook, NULL);
if (!menu)
msgFatal("Unable to create network device menu! Argh!");
status = dmenuOpenSimple(menu, FALSE);
free(menu);
if (status)
rval = NetDev;
}
return rval;
}
/* Do it from a menu that doesn't care about status */
int
tcpMenuSelect(dialogMenuItem *self)
{
Device *tmp;
WINDOW *save;
variable_set("NETWORK_CONFIGURED=NO",0);
tmp = tcpDeviceSelect();
variable_unset("NETWORK_CONFIGURED");
save = savescr();
if (tmp && tmp->private && !((DevInfo *)tmp->private)->use_dhcp && !msgYesNo("Would you like to bring the %s interface up right now?", tmp->name))
if (!DEVICE_INIT(tmp))
msgConfirm("Initialization of %s device failed.", tmp->name);
restorescr(save);
return DITEM_SUCCESS;
}
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