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freebsd-dev/usr.sbin/sysinstall/devices.c

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/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $FreeBSD$
*
* 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.
*
* 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 <sys/errno.h>
#include <sys/time.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_dl.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <arpa/inet.h>
#include <ctype.h>
/* how much to bias minor number for a given /dev/<ct#><un#>s<s#> slice */
#define SLICE_DELTA (0x10000)
static Device *Devices[DEV_MAX];
static int numDevs;
static struct _devname {
DeviceType type;
char *name;
char *description;
int major, minor, delta, max;
} device_names[] = {
{ DEVICE_TYPE_CDROM, "cd%d", "SCSI CDROM drive", 15, 2, 8, 4 },
{ DEVICE_TYPE_CDROM, "mcd%d", "Mitsumi (old model) CDROM drive", 29, 0, 8, 4 },
{ DEVICE_TYPE_CDROM, "scd%d", "Sony CDROM drive - CDU31/33A type", 45, 0, 8, 4 },
#ifdef notdef
{ DEVICE_TYPE_CDROM, "matcd%d", "Matsushita CDROM ('sound blaster' type)", 46, 0, 8, 4 },
#endif
{ DEVICE_TYPE_CDROM, "acd%d", "ATAPI/IDE CDROM", 117, 0, 8, 4 },
{ DEVICE_TYPE_TAPE, "rsa%d", "SCSI tape drive", 14, 0, 16, 4 },
{ DEVICE_TYPE_TAPE, "rwt%d", "Wangtek tape drive", 10, 0, 1, 4 },
{ DEVICE_TYPE_DISK, "da%d", "SCSI disk device", 13, 65538, 8, 16 },
{ DEVICE_TYPE_DISK, "ad%d", "ATA/IDE disk device", 116, 65538, 8, 16 },
{ DEVICE_TYPE_DISK, "ar%d", "ATA/IDE RAID device", 157, 65538, 8, 16 },
{ DEVICE_TYPE_DISK, "fla%d", "M-Systems DiskOnChip Flash devicee", 102, 65538, 8, 16 },
{ DEVICE_TYPE_DISK, "afd%d", "ATAPI/IDE floppy device", 118, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "mlxd%d", "Mylex RAID disk", 131, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "amrd%d", "AMI MegaRAID drive", 133, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "idad%d", "Compaq RAID array", 109, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "twed%d", "3ware ATA RAID array", 147, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "aacd%d", "Adaptec FSA RAID array", 151, 65538, 8, 4 },
{ DEVICE_TYPE_DISK, "ipsd%d", "IBM ServeRAID RAID array", 176, 65538, 8, 4 },
{ DEVICE_TYPE_FLOPPY, "fd%d", "floppy drive unit A", 9, 0, 64, 4 },
{ DEVICE_TYPE_NETWORK, "an", "Aironet 4500/4800 802.11 wireless adapter" },
{ DEVICE_TYPE_NETWORK, "aue", "ADMtek USB ethernet adapter" },
{ DEVICE_TYPE_NETWORK, "axe", "ASIX Electronics USB ethernet adapter" },
{ DEVICE_TYPE_NETWORK, "bge", "Broadcom BCM570x PCI gigabit ethernet card" },
{ DEVICE_TYPE_NETWORK, "cue", "CATC USB ethernet adapter" },
{ DEVICE_TYPE_NETWORK, "fpa", "DEC DEFPA PCI FDDI card" },
{ DEVICE_TYPE_NETWORK, "sr", "SDL T1/E1 sync serial PCI card" },
{ DEVICE_TYPE_NETWORK, "cc3i", "SDL HSSI sync serial PCI card" },
{ DEVICE_TYPE_NETWORK, "en", "Efficient Networks ATM PCI card" },
{ DEVICE_TYPE_NETWORK, "dc", "DEC/Intel 21143 (and clones) PCI fast ethernet card" },
{ DEVICE_TYPE_NETWORK, "de", "DEC DE435 PCI NIC or other DC21040-AA based card" },
{ DEVICE_TYPE_NETWORK, "fxp", "Intel EtherExpress Pro/100B PCI Fast Ethernet card" },
{ DEVICE_TYPE_NETWORK, "ed", "Novell NE1000/2000; 3C503; NE2000-compatible PCMCIA" },
{ DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 ethernet card/3C589 PCMCIA" },
{ DEVICE_TYPE_NETWORK, "el", "3Com 3C501 ethernet card" },
{ DEVICE_TYPE_NETWORK, "em", "Intel(R) PRO/1000 ethernet card" },
{ DEVICE_TYPE_NETWORK, "ex", "Intel EtherExpress Pro/10 ethernet card" },
{ DEVICE_TYPE_NETWORK, "fe", "Fujitsu MB86960A/MB86965A ethernet card" },
{ DEVICE_TYPE_NETWORK, "ie", "AT&T StarLAN 10 and EN100; 3Com 3C507; NI5210" },
{ DEVICE_TYPE_NETWORK, "ix", "Intel Etherexpress ethernet card" },
{ DEVICE_TYPE_NETWORK, "kue", "Kawasaki LSI USB ethernet adapter" },
{ DEVICE_TYPE_NETWORK, "le", "DEC EtherWorks 2 or 3 ethernet card" },
{ DEVICE_TYPE_NETWORK, "lnc", "Lance/PCnet (Isolan/Novell NE2100/NE32-VL) ethernet" },
{ DEVICE_TYPE_NETWORK, "lge", "Level 1 LXT1001 gigabit ethernet card" },
{ DEVICE_TYPE_NETWORK, "nge", "NatSemi PCI gigabit ethernet card" },
{ DEVICE_TYPE_NETWORK, "pcn", "AMD Am79c79x PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "ray", "Raytheon Raylink 802.11 wireless adaptor" },
{ DEVICE_TYPE_NETWORK, "rl", "RealTek 8129/8139 PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "sf", "Adaptec AIC-6915 PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "sis", "SiS 900/SiS 7016 PCI ethernet card" },
#ifdef PC98
{ DEVICE_TYPE_NETWORK, "snc", "SONIC ethernet card" },
#endif
{ DEVICE_TYPE_NETWORK, "sn", "SMC/Megahertz ethernet card" },
{ DEVICE_TYPE_NETWORK, "ste", "Sundance ST201 PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "sk", "SysKonnect PCI gigabit ethernet card" },
{ DEVICE_TYPE_NETWORK, "tx", "SMC 9432TX ethernet card" },
{ DEVICE_TYPE_NETWORK, "txp", "3Com 3cR990 ethernet card" },
{ DEVICE_TYPE_NETWORK, "ti", "Alteon Networks PCI gigabit ethernet card" },
{ DEVICE_TYPE_NETWORK, "tl", "Texas Instruments ThunderLAN PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "vr", "VIA VT3043/VT86C100A Rhine PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "vlan", "IEEE 802.1Q VLAN network interface" },
{ DEVICE_TYPE_NETWORK, "vx", "3COM 3c590 / 3c595 ethernet card" },
{ DEVICE_TYPE_NETWORK, "wb", "Winbond W89C840F PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "wi", "Lucent WaveLAN/IEEE 802.11 wireless adapter" },
{ DEVICE_TYPE_NETWORK, "wx", "Intel Gigabit Ethernet (82452) card" },
{ DEVICE_TYPE_NETWORK, "xe", "Xircom/Intel EtherExpress Pro100/16 ethernet card" },
{ DEVICE_TYPE_NETWORK, "xl", "3COM 3c90x / 3c90xB PCI ethernet card" },
{ DEVICE_TYPE_NETWORK, "cuaa%d", "%s on device %s (COM%d)", 28, 128, 1, 16 },
{ DEVICE_TYPE_NETWORK, "lp", "Parallel Port IP (PLIP) peer connection" },
{ DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" },
{ DEVICE_TYPE_NETWORK, "disc", "Software discard network interface" },
#ifdef PC98
{ DEVICE_TYPE_DISK, "wd%d", "IDE disk device", 3, 65538, 8, 16 },
{ DEVICE_TYPE_CDROM, "wcd%dc", "ATAPI IDE CDROM", 69, 2, 8, 4 },
{ DEVICE_TYPE_FLOPPY, "wfd%d", "ATAPI floppy drive unit A", 87, 0, 8, 4 },
{ DEVICE_TYPE_DISK, "wfd%d", "ATAPI floppy device", 87, 65538, 8, 4 },
#endif
{ 0 },
};
Device *
new_device(char *name)
{
Device *dev;
dev = safe_malloc(sizeof(Device));
bzero(dev, sizeof(Device));
if (name)
SAFE_STRCPY(dev->name, name);
return dev;
}
/* Stubs for unimplemented strategy routines */
Boolean
dummyInit(Device *dev)
{
return TRUE;
}
FILE *
dummyGet(Device *dev, char *dist, Boolean probe)
{
return NULL;
}
void
dummyShutdown(Device *dev)
{
return;
}
static int
deviceTry(struct _devname dev, char *try, int i)
{
int fd;
char unit[80];
mode_t m;
dev_t d;
int fail;
snprintf(unit, sizeof unit, dev.name, i);
snprintf(try, FILENAME_MAX, "/dev/%s", unit);
if (isDebug())
msgDebug("deviceTry: attempting to open %s\n", try);
fd = open(try, O_RDONLY);
if (fd >= 0) {
if (isDebug())
msgDebug("deviceTry: open of %s succeeded on first try.\n", try);
return fd;
}
m = 0640 | S_IFCHR;
d = makedev(dev.major, dev.minor + (i * dev.delta));
if (isDebug())
msgDebug("deviceTry: Making %s device for %s [%d, %d]\n", m & S_IFCHR ? "raw" : "block", try, dev.major, dev.minor + (i * dev.delta));
fail = mknod(try, m, d);
fd = open(try, O_RDONLY);
if (fd >= 0) {
if (isDebug())
msgDebug("deviceTry: open of %s succeeded on second try.\n", try);
return fd;
}
else if (!fail)
(void)unlink(try);
/* Don't try a "make-under" here since we're using a fixit floppy in this case */
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", unit);
fd = open(try, O_RDONLY);
if (isDebug())
msgDebug("deviceTry: final attempt for %s returns %d\n", try, fd);
return fd;
}
/* Register a new device in the devices array */
Device *
deviceRegister(char *name, char *desc, char *devname, DeviceType type, Boolean enabled,
Boolean (*init)(Device *), FILE * (*get)(Device *, char *, Boolean),
void (*shutdown)(Device *), void *private)
{
Device *newdev = NULL;
if (numDevs == DEV_MAX)
msgFatal("Too many devices found!");
else {
newdev = new_device(name);
newdev->description = desc;
newdev->devname = devname;
newdev->type = type;
newdev->enabled = enabled;
newdev->init = init ? init : dummyInit;
newdev->get = get ? get : dummyGet;
newdev->shutdown = shutdown ? shutdown : dummyShutdown;
newdev->private = private;
Devices[numDevs] = newdev;
Devices[++numDevs] = NULL;
}
return newdev;
}
/* Reset the registered device chain */
void
deviceReset(void)
{
int i;
for (i = 0; i < numDevs; i++) {
DEVICE_SHUTDOWN(Devices[i]);
/* XXX this potentially leaks Devices[i]->private if it's being
* used to point to something dynamic, but you're not supposed
* to call this routine at such times that some open instance
* has its private ptr pointing somewhere anyway. XXX
*/
free(Devices[i]);
}
Devices[numDevs = 0] = NULL;
}
/* Get all device information for devices we have attached */
void
deviceGetAll(void)
{
int i, j, fd, s;
struct ifconf ifc;
struct ifreq *ifptr, *end;
int ifflags;
char buffer[INTERFACE_MAX * sizeof(struct ifreq)];
char **names;
msgNotify("Probing devices, please wait (this can take a while)...");
/* First go for the network interfaces. Stolen shamelessly from ifconfig! */
ifc.ifc_len = sizeof(buffer);
ifc.ifc_buf = buffer;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0)
goto skipif; /* Jump over network iface probing */
if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0)
goto skipif; /* Jump over network iface probing */
close(s);
ifflags = ifc.ifc_req->ifr_flags;
end = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
for (ifptr = ifc.ifc_req; ifptr < end; ifptr++) {
char *descr;
/* If it's not a link entry, forget it */
if (ifptr->ifr_ifru.ifru_addr.sa_family != AF_LINK)
goto loopend;
/* Eliminate network devices that don't make sense */
if (!strncmp(ifptr->ifr_name, "lo", 2))
goto loopend;
/* If we have a slip device, don't register it */
if (!strncmp(ifptr->ifr_name, "sl", 2)) {
goto loopend;
}
/* And the same for ppp */
if (!strncmp(ifptr->ifr_name, "tun", 3) || !strncmp(ifptr->ifr_name, "ppp", 3)) {
goto loopend;
}
/* Try and find its description */
for (i = 0, descr = NULL; device_names[i].name; i++) {
int len = strlen(device_names[i].name);
if (!ifptr->ifr_name || !ifptr->ifr_name[0])
continue;
else if (!strncmp(ifptr->ifr_name, device_names[i].name, len)) {
descr = device_names[i].description;
break;
}
}
if (!descr)
descr = "<unknown network interface type>";
deviceRegister(ifptr->ifr_name, descr, strdup(ifptr->ifr_name), DEVICE_TYPE_NETWORK, TRUE,
mediaInitNetwork, NULL, mediaShutdownNetwork, NULL);
if (isDebug())
msgDebug("Found a network device named %s\n", ifptr->ifr_name);
close(s);
if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
continue;
loopend:
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));
close(s);
}
skipif:
/* Next, try to find all the types of devices one might need
* during the second stage of the installation.
*/
for (i = 0; device_names[i].name; i++) {
for (j = 0; j < device_names[i].max; j++) {
char try[FILENAME_MAX];
switch(device_names[i].type) {
case DEVICE_TYPE_CDROM:
fd = deviceTry(device_names[i], try, j);
if (fd >= 0 || errno == EBUSY) { /* EBUSY if already mounted */
char n[BUFSIZ];
if (fd >= 0) close(fd);
snprintf(n, sizeof n, device_names[i].name, j);
deviceRegister(strdup(n), device_names[i].description, strdup(try),
DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM,
mediaShutdownCDROM, NULL);
if (isDebug())
msgDebug("Found a CDROM device for %s\n", try);
}
break;
case DEVICE_TYPE_TAPE:
fd = deviceTry(device_names[i], try, j);
if (fd >= 0) {
char n[BUFSIZ];
close(fd);
snprintf(n, sizeof n, device_names[i].name, j);
deviceRegister(strdup(n), device_names[i].description, strdup(try),
DEVICE_TYPE_TAPE, TRUE, mediaInitTape, mediaGetTape, mediaShutdownTape, NULL);
if (isDebug())
msgDebug("Found a TAPE device for %s\n", try);
}
break;
case DEVICE_TYPE_DISK:
fd = deviceTry(device_names[i], try, j);
if (fd >= 0 && RunningAsInit) {
dev_t d;
mode_t m;
int s, fail;
char unit[80], slice[80];
close(fd);
/* Make associated slice entries */
for (s = 1; s < 8; s++) {
snprintf(unit, sizeof unit, device_names[i].name, j);
snprintf(slice, sizeof slice, "/dev/%ss%d", unit, s);
d = makedev(device_names[i].major, device_names[i].minor +
(j * device_names[i].delta) + (s * SLICE_DELTA));
m = 0640 | S_IFCHR;
fail = mknod(slice, m, d);
fd = open(slice, O_RDONLY);
if (fd >= 0)
close(fd);
else if (!fail)
(void)unlink(slice);
}
}
break;
case DEVICE_TYPE_FLOPPY:
fd = deviceTry(device_names[i], try, j);
if (fd >= 0) {
char n[BUFSIZ];
close(fd);
snprintf(n, sizeof n, device_names[i].name, j);
deviceRegister(strdup(n), device_names[i].description, strdup(try),
DEVICE_TYPE_FLOPPY, TRUE, mediaInitFloppy, mediaGetFloppy,
mediaShutdownFloppy, NULL);
if (isDebug())
msgDebug("Found a floppy device for %s\n", try);
}
break;
case DEVICE_TYPE_NETWORK:
fd = deviceTry(device_names[i], try, j);
/* The only network devices that you can open this way are serial ones */
if (fd >= 0) {
char *newdesc, *cp;
close(fd);
cp = device_names[i].description;
/* Serial devices get a slip and ppp device each, if supported */
newdesc = safe_malloc(strlen(cp) + 40);
sprintf(newdesc, cp, "SLIP interface", try, j + 1);
deviceRegister("sl0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
NULL, mediaShutdownNetwork, NULL);
msgDebug("Add mapping for %s to sl0\n", try);
newdesc = safe_malloc(strlen(cp) + 50);
sprintf(newdesc, cp, "PPP interface", try, j + 1);
deviceRegister("ppp0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
NULL, mediaShutdownNetwork, NULL);
if (isDebug())
msgDebug("Add mapping for %s to ppp0\n", try);
}
break;
default:
break;
}
}
}
/* Finally, go get the disks and look for DOS partitions to register */
if ((names = Disk_Names()) != NULL) {
int i;
for (i = 0; names[i]; i++) {
Chunk *c1;
Disk *d;
/* Ignore memory disks */
if (!strncmp(names[i], "md", 2))
continue;
d = Open_Disk(names[i]);
if (!d) {
msgDebug("Unable to open disk %s\n", names[i]);
continue;
}
deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE,
dummyInit, dummyGet, dummyShutdown, d);
if (isDebug())
msgDebug("Found a disk device named %s\n", names[i]);
/* Look for existing DOS partitions to register as "DOS media devices" */
for (c1 = d->chunks->part; c1; c1 = c1->next) {
if (c1->type == fat || c1->type == efi || c1->type == extended) {
Device *dev;
char devname[80];
/* Got one! */
snprintf(devname, sizeof devname, "/dev/%s", c1->name);
dev = deviceRegister(c1->name, c1->name, strdup(devname), DEVICE_TYPE_DOS, TRUE,
mediaInitDOS, mediaGetDOS, mediaShutdownDOS, NULL);
dev->private = c1;
if (isDebug())
msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
}
}
}
free(names);
}
dialog_clear_norefresh();
}
/* Rescan all devices, after closing previous set - convenience function */
void
deviceRescan(void)
{
deviceReset();
deviceGetAll();
}
/*
* 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;
j = 0;
for (i = 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;
}
Device **
deviceFindDescr(char *name, char *desc, DeviceType class)
{
static Device *found[DEV_MAX];
int i, j;
j = 0;
for (i = 0; i < numDevs; i++) {
if ((!name || !strcmp(Devices[i]->name, name)) &&
(!desc || !strcmp(Devices[i]->description, desc)) &&
(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)(dialogMenuItem *d), int (*check)(dialogMenuItem *d))
{
Device **devs;
int numdevs;
DMenu *tmp = NULL;
int i, j;
devs = deviceFind(NULL, type);
numdevs = deviceCount(devs);
if (!numdevs)
return NULL;
tmp = (DMenu *)safe_malloc(sizeof(DMenu) + (sizeof(dialogMenuItem) * (numdevs + 1)));
bcopy(menu, tmp, sizeof(DMenu));
for (i = 0; devs[i]; i++) {
tmp->items[i].prompt = devs[i]->name;
for (j = 0; j < numDevs; j++) {
if (devs[i] == Devices[j]) {
tmp->items[i].title = Devices[j]->description;
break;
}
}
if (j == numDevs)
tmp->items[i].title = "<unknown device type>";
tmp->items[i].fire = hook;
tmp->items[i].checked = check;
}
tmp->items[i].title = NULL;
return tmp;
}
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