361 lines
12 KiB
C
361 lines
12 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: devices.c,v 1.32 1995/05/27 23:52:55 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <sys/fcntl.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <netinet/in.h>
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#include <netinet/in_var.h>
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#include <arpa/inet.h>
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#define NSIP
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#include <netdb.h>
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#define EON
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#include <netiso/iso.h>
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#include <netiso/iso_var.h>
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#include <sys/protosw.h>
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#include <ctype.h>
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static Device *Devices[DEV_MAX];
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static int numDevs;
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static struct {
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DeviceType type;
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char *name;
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char *description;
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} device_names[] = {
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{ DEVICE_TYPE_CDROM, "cd0a", "SCSI CDROM drive" },
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{ DEVICE_TYPE_CDROM, "cd1a", "SCSI CDROM drive (2nd unit)" },
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{ DEVICE_TYPE_CDROM, "mcd0a", "Mitsumi (old model) CDROM drive" },
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{ DEVICE_TYPE_CDROM, "mcd1a", "Mitsumi (old model) CDROM drive (2nd unit)" },
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{ DEVICE_TYPE_CDROM, "scd0a", "Sony CDROM drive - CDU31/33A type", },
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{ DEVICE_TYPE_CDROM, "scd1a", "Sony CDROM drive - CDU31/33A type (2nd unit)" },
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{ DEVICE_TYPE_CDROM, "matcd0a", "Matsushita CDROM ('sound blaster' type)" },
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{ DEVICE_TYPE_CDROM, "matcd1a", "Matsushita CDROM (2nd unit)" },
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{ DEVICE_TYPE_TAPE, "rst0", "SCSI tape drive" },
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{ DEVICE_TYPE_TAPE, "rst1", "SCSI tape drive (2nd unit)" },
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{ DEVICE_TYPE_TAPE, "ft0", "Floppy tape drive (QIC-02)" },
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{ DEVICE_TYPE_TAPE, "wt0", "Wangtek tape drive" },
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{ DEVICE_TYPE_DISK, "sd", "SCSI disk device" },
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{ DEVICE_TYPE_DISK, "wd", "IDE/ESDI/MFM/ST506 disk device" },
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{ DEVICE_TYPE_FLOPPY, "rfd0", "floppy drive unit A" },
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{ DEVICE_TYPE_FLOPPY, "rfd1", "floppy drive unit B" },
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{ DEVICE_TYPE_NETWORK, "cuaa0", "Serial port (COM1) - possible PPP/SLIP device" },
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{ DEVICE_TYPE_NETWORK, "cuaa1", "Serial port (COM2) - possible PPP/SLIP device" },
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{ DEVICE_TYPE_NETWORK, "lp0", "Parallel Port IP (PLIP) using laplink cable" },
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{ DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" },
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{ DEVICE_TYPE_NETWORK, "sl", "Serial-line IP (SLIP) interface" },
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{ DEVICE_TYPE_NETWORK, "ppp", "Point-to-Point Protocol (PPP) interface" },
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{ DEVICE_TYPE_NETWORK, "ed", "WD/SMC 80xx; Novell NE1000/2000; 3Com 3C503 cards" },
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{ DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 ethernet card" },
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{ DEVICE_TYPE_NETWORK, "el", "3Com 3C501 ethernet card" },
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{ DEVICE_TYPE_NETWORK, "fe", "Fujitsu MB86960A/MB86965A ethernet card" },
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{ DEVICE_TYPE_NETWORK, "ie", "AT&T StarLAN 10 and EN100; 3Com 3C507; NI5210" },
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{ DEVICE_TYPE_NETWORK, "ix", "Intel Etherexpress ethernet card" },
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{ DEVICE_TYPE_NETWORK, "le", "DEC EtherWorks 2 or 3 ethernet card" },
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{ DEVICE_TYPE_NETWORK, "lnc", "Lance/PCnet (Isolan/Novell NE2100/NE32-VL) ethernet" },
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{ DEVICE_TYPE_NETWORK, "ze", "IBM/National Semiconductor PCMCIA ethernet card" },
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{ DEVICE_TYPE_NETWORK, "zp", "3Com Etherlink III PCMCIA ethernet card" },
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{ NULL },
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};
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Device *
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new_device(char *name)
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{
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Device *dev;
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dev = safe_malloc(sizeof(Device));
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if (name)
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strcpy(dev->name, name);
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else
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dev->name[0] = '\0';
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return dev;
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}
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static int
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deviceTry(char *name, char *try)
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{
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int fd;
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snprintf(try, FILENAME_MAX, "/dev/%s", name);
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fd = open(try, O_RDWR);
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if (fd > 0)
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return fd;
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snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
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fd = open(try, O_RDWR);
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return fd;
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}
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static void
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deviceDiskFree(Device *dev)
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{
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Free_Disk(dev->private);
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}
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/* Register a new device in the devices array */
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Device *
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deviceRegister(char *name, char *desc, char *devname, DeviceType type, Boolean enabled,
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Boolean (*init)(Device *), int (*get)(char *), Boolean (*close)(Device *, int),
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void (*shutdown)(Device *), void *private)
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{
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Device *newdev;
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if (numDevs == DEV_MAX)
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msgFatal("Too many devices found!");
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newdev = new_device(name);
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newdev->description = desc;
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newdev->devname = devname;
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newdev->type = type;
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newdev->enabled = enabled;
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newdev->init = init;
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newdev->get = get;
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newdev->close = close;
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newdev->shutdown = shutdown;
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newdev->private = private;
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Devices[numDevs] = newdev;
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Devices[++numDevs] = NULL;
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return newdev;
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}
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/* Get all device information for devices we have attached */
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void
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deviceGetAll(void)
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{
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int i, fd, s;
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struct ifconf ifc;
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struct ifreq *ifptr, *end;
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int ifflags;
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char buffer[INTERFACE_MAX * sizeof(struct ifreq)];
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char **names;
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/* Try and get the disks first */
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if ((names = Disk_Names()) != NULL) {
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int i;
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for (i = 0; names[i]; i++) {
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Disk *d;
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d = Open_Disk(names[i]);
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if (!d)
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msgFatal("Unable to open disk %s", names[i]);
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(void)deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE,
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mediaInitUFS, mediaGetUFS, NULL, deviceDiskFree, d);
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msgDebug("Found a device of type disk named: %s\n", names[i]);
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}
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free(names);
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}
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/*
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* Try to get all the types of devices it makes sense to get at the
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* second stage of the installation.
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*/
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for (i = 0; device_names[i].name; i++) {
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char try[FILENAME_MAX];
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switch(device_names[i].type) {
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case DEVICE_TYPE_CDROM:
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fd = deviceTry(device_names[i].name, try);
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if (fd >= 0) {
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close(fd);
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(void)deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
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DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM, NULL,
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mediaShutdownCDROM, NULL);
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msgDebug("Found a device of type CDROM named: %s\n", device_names[i].name);
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}
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break;
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case DEVICE_TYPE_TAPE:
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fd = deviceTry(device_names[i].name, try);
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if (fd >= 0) {
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close(fd);
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deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
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DEVICE_TYPE_TAPE, TRUE, mediaInitTape, mediaGetTape, NULL, mediaShutdownTape, NULL);
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msgDebug("Found a device of type TAPE named: %s\n", device_names[i].name);
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}
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break;
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case DEVICE_TYPE_FLOPPY:
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fd = deviceTry(device_names[i].name, try);
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if (fd >= 0) {
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close(fd);
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deviceRegister(device_names[i].name, device_names[i].description, strdup(try),
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DEVICE_TYPE_FLOPPY, TRUE, mediaInitFloppy, mediaGetFloppy, NULL,
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mediaShutdownFloppy, NULL);
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msgDebug("Found a device of type floppy named: %s\n", device_names[i].name);
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}
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break;
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case DEVICE_TYPE_NETWORK:
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fd = deviceTry(device_names[i].name, try);
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if (fd >= 0) {
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close(fd);
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/* The only network devices that have fds associated are serial ones */
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deviceRegister(device_names[i].name, device_names[i].description, strdup(try), DEVICE_TYPE_NETWORK,
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TRUE, mediaInitNetwork, NULL, NULL, mediaShutdownNetwork, NULL);
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msgDebug("Found a device of type network named: %s\n", device_names[i].name);
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}
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break;
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default:
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break;
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}
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}
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/* Now go for the (other) network interfaces dynamically. Stolen shamelessly from ifconfig! */
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ifc.ifc_len = sizeof(buffer);
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ifc.ifc_buf = buffer;
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s = socket(AF_INET, SOCK_DGRAM, 0);
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if (s < 0) {
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msgConfirm("ifconfig: socket");
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return;
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}
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if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0) {
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msgConfirm("ifconfig (SIOCGIFCONF)");
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return;
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}
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ifflags = ifc.ifc_req->ifr_flags;
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end = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
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for (ifptr = ifc.ifc_req; ifptr < end; ifptr++) {
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/* If it's not a link entry, forget it */
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if (ifptr->ifr_ifru.ifru_addr.sa_family != AF_LINK)
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continue;
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/* Eliminate network devices that don't make sense */
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if (!strncmp(ifptr->ifr_name, "tun", 3)
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|| !strncmp(ifptr->ifr_name, "lo0", 3))
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continue;
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deviceRegister(ifptr->ifr_name, ifptr->ifr_name, ifptr->ifr_name, DEVICE_TYPE_NETWORK, TRUE,
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mediaInitNetwork, NULL, NULL, mediaShutdownNetwork, NULL);
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msgDebug("Found a device of type network named: %s\n", ifptr->ifr_name);
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close(s);
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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msgConfirm("ifconfig: socket");
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continue;
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}
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if (ifptr->ifr_addr.sa_len) /* I'm not sure why this is here - it's inherited */
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ifptr = (struct ifreq *)((caddr_t)ifptr + ifptr->ifr_addr.sa_len - sizeof(struct sockaddr));
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}
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}
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/*
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* Find all devices that match the criteria, allowing "wildcarding" as well
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* by allowing NULL or ANY values to match all. The array returned is static
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* and may be used until the next invocation of deviceFind().
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*/
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Device **
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deviceFind(char *name, DeviceType class)
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{
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static Device *found[DEV_MAX];
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int i, j;
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for (i = 0, j = 0; i < numDevs; i++) {
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if ((!name || !strcmp(Devices[i]->name, name))
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&& (class == DEVICE_TYPE_ANY || class == Devices[i]->type))
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found[j++] = Devices[i];
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}
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found[j] = NULL;
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return j ? found : NULL;
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}
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int
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deviceCount(Device **devs)
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{
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int i;
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if (!devs)
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return 0;
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for (i = 0; devs[i]; i++);
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return i;
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}
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/*
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* Create a menu listing all the devices of a certain type in the system.
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* The passed-in menu is expected to be a "prototype" from which the new
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* menu is cloned.
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*/
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DMenu *
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deviceCreateMenu(DMenu *menu, DeviceType type, int (*hook)())
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{
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Device **devs;
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int numdevs;
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DMenu *tmp = NULL;
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int i, j;
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devs = deviceFind(NULL, type);
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if (!devs)
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return NULL;
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for (numdevs = 0; devs[numdevs]; numdevs++);
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tmp = (DMenu *)safe_malloc(sizeof(DMenu) + (sizeof(DMenuItem) * (numdevs + 1)));
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bcopy(menu, tmp, sizeof(DMenu));
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for (i = 0; devs[i]; i++) {
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tmp->items[i].title = devs[i]->name;
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for (j = 0; device_names[j].name; j++) {
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if (!strncmp(devs[i]->name, device_names[j].name,
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strlen(device_names[j].name))) {
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tmp->items[i].prompt = device_names[j].description;
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break;
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}
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}
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if (!device_names[j].name)
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tmp->items[i].prompt = "<unknown device type>";
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tmp->items[i].type = DMENU_CALL;
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tmp->items[i].ptr = hook;
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tmp->items[i].disabled = FALSE;
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}
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tmp->items[i].type = DMENU_NOP;
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tmp->items[i].title = NULL;
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return tmp;
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}
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