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mirror of https://git.FreeBSD.org/src.git synced 2024-12-05 09:14:03 +00:00
freebsd/release/sysinstall/devices.c
1997-02-22 14:13:04 +00:00

425 lines
14 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id$
*
* 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>
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, "mcd0a", "Mitsumi (old model) CDROM drive" },
{ DEVICE_TYPE_CDROM, "scd0a", "Sony CDROM drive - CDU31/33A type", },
{ DEVICE_TYPE_CDROM, "matcd0a", "Matsushita CDROM ('sound blaster' type)" },
{ DEVICE_TYPE_CDROM, "wcd0c", "ATAPI IDE CDROM" },
{ DEVICE_TYPE_TAPE, "rst0", "SCSI tape drive" },
{ DEVICE_TYPE_TAPE, "rft0", "Floppy tape drive (QIC-02)" },
{ DEVICE_TYPE_TAPE, "rwt0", "Wangtek tape drive" },
{ DEVICE_TYPE_DISK, "sd", "SCSI disk device" },
{ DEVICE_TYPE_DISK, "wd", "IDE/ESDI/MFM/ST506 disk device" },
{ DEVICE_TYPE_DISK, "od", "SCSI optical disk device" },
{ DEVICE_TYPE_FLOPPY, "fd0", "floppy drive unit A" },
{ DEVICE_TYPE_FLOPPY, "fd1", "floppy drive unit B" },
{ DEVICE_TYPE_FLOPPY, "od0", "SCSI optical disk/floppy format" },
{ DEVICE_TYPE_NETWORK, "cuaa0", "%s on serial port 0 (COM1)" },
{ DEVICE_TYPE_NETWORK, "cuaa1", "%s on serial port 1 (COM2)" },
{ DEVICE_TYPE_NETWORK, "cuaa2", "%s on serial port 2 (COM3)" },
{ DEVICE_TYPE_NETWORK, "cuaa3", "%s on serial port 3 (COM4)" },
{ DEVICE_TYPE_NETWORK, "lp0", "Parallel Port IP (PLIP) using laplink cable" },
{ DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" },
{ 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", "WD/SMC 80xx; Novell NE1000/2000; 3Com 3C503 card" },
{ DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 ethernet card" },
{ DEVICE_TYPE_NETWORK, "el", "3Com 3C501 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, "le", "DEC EtherWorks 2 or 3 ethernet card" },
{ DEVICE_TYPE_NETWORK, "lnc", "Lance/PCnet (Isolan/Novell NE2100/NE32-VL) ethernet" },
{ DEVICE_TYPE_NETWORK, "vx", "3COM 3c590 / 3c595 / 3c9xx ethernet card" },
{ DEVICE_TYPE_NETWORK, "ze", "IBM/National Semiconductor PCMCIA ethernet card" },
{ DEVICE_TYPE_NETWORK, "zp", "3Com Etherlink III PCMCIA ethernet card" },
{ NULL },
};
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(char *name, char *try)
{
int fd;
snprintf(try, FILENAME_MAX, "/dev/%s", name);
fd = open(try, O_RDONLY);
if (fd > 0)
return fd;
if (errno == EBUSY)
return -1;
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
fd = open(try, O_RDONLY);
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;
}
/* 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++) {
Chunk *c1;
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, NULL, NULL, NULL, d);
msgDebug("Found a disk device named %s\n", names[i]);
/* Look for existing DOS partitions to register */
for (c1 = d->chunks->part; c1; c1 = c1->next) {
if (c1->type == fat || c1->type == extended) {
Device *dev;
char devname[80];
/* Got one! */
sprintf(devname, "/dev/%s", c1->name);
dev = deviceRegister(c1->name, c1->name, strdup(devname), DEVICE_TYPE_DOS, TRUE,
mediaInitDOS, mediaGetDOS, mediaShutdownDOS, NULL);
dev->private = c1;
msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
}
}
}
free(names);
}
/* Now 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) {
msgConfirm("ifconfig: socket");
goto skipif; /* Jump over network iface probing */
}
if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0) {
msgConfirm("ifconfig (SIOCGIFCONF)");
goto skipif; /* Jump over network iface probing */
}
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)
continue;
/* Eliminate network devices that don't make sense */
if (!strncmp(ifptr->ifr_name, "lo0", 3))
continue;
/* If we have a slip device, don't register it */
if (!strncmp(ifptr->ifr_name, "sl", 2)) {
continue;
}
/* And the same for ppp */
if (!strncmp(ifptr->ifr_name, "tun", 3) || !strncmp(ifptr->ifr_name, "ppp", 3)) {
continue;
}
/* Try and find its description */
for (i = 0, descr = NULL; device_names[i].name; i++) {
int len = strlen(device_names[i].name);
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);
msgDebug("Found a network device 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));
}
skipif:
/* Finally, 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++) {
char try[FILENAME_MAX];
switch(device_names[i].type) {
case DEVICE_TYPE_CDROM:
fd = deviceTry(device_names[i].name, try);
msgDebug("Try for %s returns errno %d\n", device_names[i].name, errno);
if (fd >= 0 || errno == EBUSY) { /* EBUSY if already mounted */
if (fd >= 0) close(fd);
(void)deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM,
mediaShutdownCDROM, NULL);
msgDebug("Found a CDROM device 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, mediaShutdownTape, NULL);
msgDebug("Found a TAPE device 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,
mediaShutdownFloppy, NULL);
msgDebug("Found a floppy device named %s\n", device_names[i].name);
}
break;
case DEVICE_TYPE_NETWORK:
fd = deviceTry(device_names[i].name, try);
/* 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");
deviceRegister("sl0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
NULL, mediaShutdownNetwork, NULL);
msgDebug("Add mapping for %s on %s to sl0\n", device_names[i].name, try);
newdesc = safe_malloc(strlen(cp) + 50);
sprintf(newdesc, cp, "PPP interface");
deviceRegister("ppp0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
NULL, mediaShutdownNetwork, NULL);
msgDebug("Add mapping for %s on %s to ppp0\n", device_names[i].name, try);
}
break;
default:
break;
}
}
}
/*
* 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;
}