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mirror of https://git.FreeBSD.org/src.git synced 2024-12-22 11:17:19 +00:00
freebsd/usr.sbin/sade/devices.c
Jordan K. Hubbard 23cb914708 1. Start syncing up the network strategy code so that folks like Poul and
Justin can see it.

2. Attempt to fix the redisplay problems in label.c some more.  Not clearing
   the screen each time is certainly faster, but it's causing all sorts of
   problems.
1995-05-21 15:40:54 +00:00

355 lines
11 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: devices.c,v 1.25 1995/05/20 16:22:41 jkh Exp $
*
* Copyright (c) 1995
* Jordan 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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.
*
*/
#include "sysinstall.h"
#include <sys/fcntl.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <arpa/inet.h>
#define NSIP
#include <netns/ns.h>
#include <netns/ns_if.h>
#include <netdb.h>
#define EON
#include <netiso/iso.h>
#include <netiso/iso_var.h>
#include <sys/protosw.h>
#include <ctype.h>
static Device *Devices[DEV_MAX];
static int numDevs;
static struct {
DeviceType type;
char *name;
char *description;
} device_names[] = {
{ DEVICE_TYPE_CDROM, "cd0a", "SCSI CDROM drive" },
{ DEVICE_TYPE_CDROM, "cd1a", "SCSI CDROM drive (2nd unit)" },
{ DEVICE_TYPE_CDROM, "mcd0a", "Mitsumi (old model) CDROM drive" },
{ DEVICE_TYPE_CDROM, "mcd1a", "Mitsumi (old model) CDROM drive (2nd unit)" },
{ DEVICE_TYPE_CDROM, "scd0a", "Sony CDROM drive - CDU31/33A type", },
{ DEVICE_TYPE_CDROM, "scd1a", "Sony CDROM drive - CDU31/33A type (2nd unit)" },
{ DEVICE_TYPE_CDROM, "matcd0a", "Matsushita CDROM ('sound blaster' type)" },
{ DEVICE_TYPE_CDROM, "matcd1a", "Matsushita CDROM (2nd unit)" },
{ DEVICE_TYPE_TAPE, "rst0", "SCSI tape drive" },
{ DEVICE_TYPE_TAPE, "rst1", "SCSI tape drive (2nd unit)" },
{ DEVICE_TYPE_TAPE, "ft0", "Floppy tape drive (QIC-02)" },
{ DEVICE_TYPE_TAPE, "wt0", "Wangtek tape drive" },
{ DEVICE_TYPE_DISK, "sd", "SCSI disk device" },
{ DEVICE_TYPE_DISK, "wd", "IDE/ESDI/MFM/ST506 disk device" },
{ DEVICE_TYPE_FLOPPY, "rfd0", "Floppy disk drive (unit A)" },
{ DEVICE_TYPE_FLOPPY, "rfd1", "Floppy disk drive (unit B)" },
{ DEVICE_TYPE_NETWORK, "cuaa0", "Serial port (COM1) - possible PPP device" },
{ DEVICE_TYPE_NETWORK, "cuaa1", "Serial port (COM2) - possible PPP device" },
{ DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" },
{ DEVICE_TYPE_NETWORK, "sl", "Serial-line IP (SLIP) interface" },
{ DEVICE_TYPE_NETWORK, "ppp", "Point-to-Point Protocol (PPP) interface" },
{ DEVICE_TYPE_NETWORK, "ed", "WD/SMC 80xx; Novell NE1000/2000; 3Com 3C503 cards" },
{ DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 interface card" },
{ DEVICE_TYPE_NETWORK, "el", "3Com 3C501 interface card" },
{ DEVICE_TYPE_NETWORK, "fe", "Fujitsu MB86960A/MB86965A Ethernet" },
{ DEVICE_TYPE_NETWORK, "ie", "AT&T StarLAN 10 and EN100; 3Com 3C507; NI5210" },
{ DEVICE_TYPE_NETWORK, "le", "DEC EtherWorks 2 and 3" },
{ DEVICE_TYPE_NETWORK, "lnc", "Lance/PCnet cards (Isolan/Novell NE2100/NE32-VL)" },
{ DEVICE_TYPE_NETWORK, "ze", "IBM/National Semiconductor PCMCIA ethernet" },
{ DEVICE_TYPE_NETWORK, "zp", "3Com PCMCIA Etherlink III" },
{ NULL },
};
Device *
new_device(char *name)
{
Device *dev;
dev = safe_malloc(sizeof(Device));
if (name)
strcpy(dev->name, name);
else
dev->name[0] = '\0';
return dev;
}
static int
deviceTry(char *name, char *try)
{
int fd;
snprintf(try, FILENAME_MAX, "/dev/%s", name);
fd = open(try, O_RDWR);
if (fd > 0)
return fd;
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
fd = open(try, O_RDWR);
return fd;
}
static void
deviceDiskFree(Device *dev)
{
Free_Disk(dev->private);
}
/* Register a new device in the devices array */
Device *
deviceRegister(char *name, char *desc, char *devname, DeviceType type, Boolean enabled,
Boolean (*init)(Device *), Boolean (*get)(char *), void (*close)(Device *), void *private)
{
Device *newdev;
if (numDevs == DEV_MAX)
msgFatal("Too many devices found!");
newdev = new_device(name);
newdev->description = desc;
newdev->devname = devname;
newdev->type = type;
newdev->enabled = enabled;
newdev->init = init;
newdev->get = get;
newdev->close = close;
newdev->private = private;
Devices[numDevs] = newdev;
Devices[++numDevs] = NULL;
return newdev;
}
/* Get all device information for devices we have attached */
void
deviceGetAll(void)
{
int i, fd, s;
struct ifconf ifc;
struct ifreq *ifptr, *end;
int ifflags;
char buffer[INTERFACE_MAX * sizeof(struct ifreq)];
char **names;
/* Try and get the disks first */
if ((names = Disk_Names()) != NULL) {
int i;
for (i = 0; names[i]; i++) {
Disk *d;
d = Open_Disk(names[i]);
if (!d)
msgFatal("Unable to open disk %s", names[i]);
(void)deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE,
mediaInitUFS, mediaGetUFS, deviceDiskFree, d);
msgDebug("Found a device of type disk named: %s\n", names[i]);
}
free(names);
}
/*
* Try to get all the types of devices it makes sense to get at the
* second stage of the installation.
*/
for (i = 0; device_names[i].name; i++) {
char try[FILENAME_MAX];
switch(device_names[i].type) {
case DEVICE_TYPE_CDROM:
fd = deviceTry(device_names[i].name, try);
if (fd >= 0) {
close(fd);
(void)deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM, mediaCloseCDROM, NULL);
msgDebug("Found a device of type CDROM named: %s\n", device_names[i].name);
}
break;
case DEVICE_TYPE_TAPE:
fd = deviceTry(device_names[i].name, try);
if (fd >= 0) {
close(fd);
deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
DEVICE_TYPE_TAPE, TRUE, mediaInitTape, mediaGetTape, mediaCloseTape, NULL);
msgDebug("Found a device of type TAPE named: %s\n", device_names[i].name);
}
break;
case DEVICE_TYPE_FLOPPY:
fd = deviceTry(device_names[i].name, try);
if (fd >= 0) {
close(fd);
deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
DEVICE_TYPE_FLOPPY, TRUE, mediaInitFloppy, mediaGetFloppy, mediaCloseFloppy, NULL);
msgDebug("Found a device of type floppy named: %s\n", device_names[i].name);
}
break;
case DEVICE_TYPE_NETWORK:
fd = deviceTry(device_names[i].name, try);
if (fd >= 0) {
close(fd);
/* The only network devices that have fds associated are serial ones */
deviceRegister("ppp0", device_names[i].description, strdup(try),
DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork, NULL, mediaCloseNetwork, NULL);
msgDebug("Found a device of type network named: %s\n", device_names[i].name);
}
break;
default:
break;
}
}
/* Now go for the (other) network interfaces dynamically. Stolen shamelessly from ifconfig! */
ifc.ifc_len = sizeof(buffer);
ifc.ifc_buf = buffer;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0) {
msgConfirm("ifconfig: socket");
return;
}
if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0) {
msgConfirm("ifconfig (SIOCGIFCONF)");
return;
}
ifflags = ifc.ifc_req->ifr_flags;
end = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
for (ifptr = ifc.ifc_req; ifptr < end; ifptr++) {
/* If it's not a link entry, forget it */
if (ifptr->ifr_ifru.ifru_addr.sa_family != AF_LINK)
continue;
/* Eliminate network devices that don't make sense */
if (!strncmp(ifptr->ifr_name, "tun", 3)
|| !strncmp(ifptr->ifr_name, "lo0", 3))
continue;
deviceRegister(ifptr->ifr_name, ifptr->ifr_name, ifptr->ifr_name,
DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork, NULL, mediaCloseNetwork, NULL);
msgDebug("Found a device of type network named: %s\n", ifptr->ifr_name);
close(s);
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
msgConfirm("ifconfig: socket");
continue;
}
if (ifptr->ifr_addr.sa_len) /* I'm not sure why this is here - it's inherited */
ifptr = (struct ifreq *)((caddr_t)ifptr + ifptr->ifr_addr.sa_len - sizeof(struct sockaddr));
}
}
/*
* Find all devices that match the criteria, allowing "wildcarding" as well
* by allowing NULL or ANY values to match all. The array returned is static
* and may be used until the next invocation of deviceFind().
*/
Device **
deviceFind(char *name, DeviceType class)
{
static Device *found[DEV_MAX];
int i, j;
for (i = 0, j = 0; i < numDevs; i++) {
if ((!name || !strcmp(Devices[i]->name, name))
&& (class == DEVICE_TYPE_ANY || class == Devices[i]->type))
found[j++] = Devices[i];
}
found[j] = NULL;
return j ? found : NULL;
}
int
deviceCount(Device **devs)
{
int i;
if (!devs)
return 0;
for (i = 0; devs[i]; i++);
return i;
}
/*
* Create a menu listing all the devices of a certain type in the system.
* The passed-in menu is expected to be a "prototype" from which the new
* menu is cloned.
*/
DMenu *
deviceCreateMenu(DMenu *menu, DeviceType type, int (*hook)())
{
Device **devs;
int numdevs;
DMenu *tmp = NULL;
int i, j;
devs = deviceFind(NULL, type);
if (!devs)
return NULL;
for (numdevs = 0; devs[numdevs]; numdevs++);
tmp = (DMenu *)safe_malloc(sizeof(DMenu) + (sizeof(DMenuItem) * (numdevs + 1)));
bcopy(menu, tmp, sizeof(DMenu));
for (i = 0; devs[i]; i++) {
tmp->items[i].title = devs[i]->name;
for (j = 0; device_names[j].name; j++) {
if (!strncmp(devs[i]->name, device_names[j].name,
strlen(device_names[j].name))) {
tmp->items[i].prompt = device_names[j].description;
break;
}
}
if (!device_names[j].name)
tmp->items[i].prompt = "<unknown device type>";
tmp->items[i].type = DMENU_CALL;
tmp->items[i].ptr = hook;
tmp->items[i].disabled = FALSE;
}
tmp->items[i].type = DMENU_NOP;
tmp->items[i].title = NULL;
return tmp;
}