mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
3e6a56bb87
to now detect that CD you just remembered to put in the drive or that pccard NIC that you've inserted (anybody can put pccardd in an mfsroot image now you know.. :) Requested by: Annelise Anderson <andrsn@andrsn.Stanford.EDU>
531 lines
17 KiB
C
531 lines
17 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 1.88 1999/01/09 18:12:06 wpaul 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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*
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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 <sys/errno.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <net/if_var.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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#include <ctype.h>
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/* how much to bias minor number for a given /dev/<ct#><un#>s<s#> slice */
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#define SLICE_DELTA (0x10000)
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static Device *Devices[DEV_MAX];
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static int numDevs;
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static struct _devname {
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DeviceType type;
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char *name;
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char *description;
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int major, minor, delta, max;
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char dev_type;
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} device_names[] = {
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{ DEVICE_TYPE_CDROM, "cd%dc", "SCSI CDROM drive", 6, 2, 8, 4, 'b' },
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{ DEVICE_TYPE_CDROM, "mcd%da", "Mitsumi (old model) CDROM drive", 7, 0, 8, 4, 'b' },
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{ DEVICE_TYPE_CDROM, "scd%da", "Sony CDROM drive - CDU31/33A type", 16, 0, 8, 4, 'b' },
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{ DEVICE_TYPE_CDROM, "matcd%da", "Matsushita CDROM ('sound blaster' type)", 17, 0, 8, 4, 'b' },
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{ DEVICE_TYPE_CDROM, "wcd%dc", "ATAPI IDE CDROM", 19, 2, 8, 4, 'b' },
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{ DEVICE_TYPE_TAPE, "rsa%d", "SCSI tape drive", 14, 0, 16, 4, 'c' },
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{ DEVICE_TYPE_TAPE, "rwt%d", "Wangtek tape drive", 10, 0, 1, 4, 'c' },
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{ DEVICE_TYPE_DISK, "da%d", "SCSI disk device", 4, 65538, 8, 16, 'b' },
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{ DEVICE_TYPE_DISK, "rda%d", "SCSI disk device", 13, 65538, 8, 16, 'c' },
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{ DEVICE_TYPE_DISK, "wd%d", "IDE/ESDI/MFM/ST506 disk device", 0, 65538, 8, 16, 'b' },
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{ DEVICE_TYPE_DISK, "rwd%d", "IDE/ESDI/MFM/ST506 disk device", 3, 65538, 8, 16, 'c' },
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{ DEVICE_TYPE_DISK, "fla%d", "DiskOnChip2000 Flash device", 28, 65538, 8, 16, 'b' },
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{ DEVICE_TYPE_DISK, "rfla%d", "DiskOnChip2000 Flash devicee", 101, 65538, 8, 16, 'c' },
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{ DEVICE_TYPE_DISK, "wfd%d", "ATAPI floppy device", 1, 65538, 8, 4, 'b' },
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{ DEVICE_TYPE_DISK, "rwfd%d", "ATAPI floppy device", 87, 65538, 8, 4, 'c' },
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{ DEVICE_TYPE_FLOPPY, "fd%d", "floppy drive unit A", 2, 0, 64, 4, 'b' },
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{ DEVICE_TYPE_FLOPPY, "wfd%d", "ATAPI floppy drive unit A", 1, 0, 8, 4, 'b' },
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{ DEVICE_TYPE_FLOPPY, "worm%d", "SCSI optical disk / CDR", 23, 0, 1, 4, 'b' },
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{ DEVICE_TYPE_NETWORK, "ax", "ASIX AX88140A PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "fpa", "DEC DEFPA PCI FDDI card" },
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{ DEVICE_TYPE_NETWORK, "sr", "SDL T1/E1 sync serial PCI card" },
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{ DEVICE_TYPE_NETWORK, "cc3i", "SDL HSSI sync serial PCI card" },
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{ DEVICE_TYPE_NETWORK, "en", "Efficient Networks ATM PCI card" },
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{ DEVICE_TYPE_NETWORK, "de", "DEC DE435 PCI NIC or other DC21040-AA based card" },
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{ DEVICE_TYPE_NETWORK, "fxp", "Intel EtherExpress Pro/100B PCI Fast Ethernet card" },
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{ DEVICE_TYPE_NETWORK, "ed", "WD/SMC 80xx; Novell NE1000/2000; 3Com 3C503 card" },
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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, "ex", "Intel EtherExpress Pro/10 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, "mx", "Macronix 98713/98715/98725 PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "pn", "Lite-On 82168/82169 PNIC PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "rl", "RealTek 8129/8139 PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "tx", "SMC 9432TX ethernet card" },
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{ DEVICE_TYPE_NETWORK, "tl", "Texas Instruments ThunderLAN PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "vr", "VIA VT3043/VT86C100A Rhine PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "vx", "3COM 3c590 / 3c595 ethernet card" },
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{ DEVICE_TYPE_NETWORK, "wb", "Winbond W89C840F PCI ethernet card" },
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{ DEVICE_TYPE_NETWORK, "xl", "3COM 3c90x / 3c90xB PCI ethernet card" },
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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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{ DEVICE_TYPE_NETWORK, "cuaa%d", "%s on device %s (COM%d)", 28, 128, 1, 16, 'c' },
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{ DEVICE_TYPE_NETWORK, "lp", "Parallel Port IP (PLIP) peer connection" },
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{ DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" },
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{ 0 },
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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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bzero(dev, sizeof(Device));
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if (name)
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SAFE_STRCPY(dev->name, name);
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return dev;
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}
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/* Stubs for unimplemented strategy routines */
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Boolean
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dummyInit(Device *dev)
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{
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return TRUE;
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}
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FILE *
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dummyGet(Device *dev, char *dist, Boolean probe)
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{
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return NULL;
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}
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void
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dummyShutdown(Device *dev)
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{
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return;
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}
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static int
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deviceTry(struct _devname dev, char *try, int i)
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{
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int fd;
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char unit[80];
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mode_t m;
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dev_t d;
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int fail;
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snprintf(unit, sizeof unit, dev.name, i);
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snprintf(try, FILENAME_MAX, "/dev/%s", unit);
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fd = open(try, O_RDONLY);
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if (fd >= 0)
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return fd;
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m = 0640;
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if (dev.dev_type == 'c')
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m |= S_IFCHR;
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else
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m |= S_IFBLK;
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d = makedev(dev.major, dev.minor + (i * dev.delta));
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fail = mknod(try, m, d);
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fd = open(try, O_RDONLY);
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if (fd >= 0)
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return fd;
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else if (!fail)
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(void)unlink(try);
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/* Don't try a "make-under" here since we're using a fixit floppy in this case */
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snprintf(try, FILENAME_MAX, "/mnt/dev/%s", unit);
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fd = open(try, O_RDONLY);
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return fd;
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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 *), FILE * (*get)(Device *, char *, Boolean),
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void (*shutdown)(Device *), void *private)
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{
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Device *newdev = NULL;
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if (numDevs == DEV_MAX)
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msgFatal("Too many devices found!");
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else {
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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 ? init : dummyInit;
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newdev->get = get ? get : dummyGet;
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newdev->shutdown = shutdown ? shutdown : dummyShutdown;
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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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}
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return newdev;
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}
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/* Reset the registered device chain */
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void
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deviceReset(void)
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{
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int i;
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for (i = 0; i < numDevs; i++) {
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Devices[i]->shutdown(Devices[i]);
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/* XXX this potentially leaks Devices[i]->private if it's being
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* used to point to something dynamic, but you're not supposed
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* to call this routine at such times that some open instance
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* has its private ptr pointing somewhere anyway. XXX
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*/
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free(Devices[i]);
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}
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Devices[numDevs = 0] = NULL;
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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, j, 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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msgNotify("Probing devices, please wait (this can take a while)...");
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/* First go for the network interfaces. 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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goto skipif; /* Jump over network iface probing */
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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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goto skipif; /* Jump over network iface probing */
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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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char *descr;
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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, "lo", 2))
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continue;
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/* If we have a slip device, don't register it */
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if (!strncmp(ifptr->ifr_name, "sl", 2)) {
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continue;
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}
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/* And the same for ppp */
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if (!strncmp(ifptr->ifr_name, "tun", 3) || !strncmp(ifptr->ifr_name, "ppp", 3)) {
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continue;
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}
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/* Try and find its description */
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for (i = 0, descr = NULL; device_names[i].name; i++) {
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int len = strlen(device_names[i].name);
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if (!ifptr->ifr_name || !ifptr->ifr_name[0])
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continue;
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else if (!strncmp(ifptr->ifr_name, device_names[i].name, len)) {
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descr = device_names[i].description;
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break;
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}
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}
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if (!descr)
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descr = "<unknown network interface type>";
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deviceRegister(ifptr->ifr_name, descr, strdup(ifptr->ifr_name), DEVICE_TYPE_NETWORK, TRUE,
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mediaInitNetwork, NULL, mediaShutdownNetwork, NULL);
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msgDebug("Found a network device 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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skipif:
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/* Next, try to find all the types of devices one might need
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* during the 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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for (j = 0; j < device_names[i].max; j++) {
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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], try, j);
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if (fd >= 0 || errno == EBUSY) { /* EBUSY if already mounted */
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char n[BUFSIZ];
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if (fd >= 0) close(fd);
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snprintf(n, sizeof n, device_names[i].name, j);
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deviceRegister(strdup(n), device_names[i].description, strdup(try),
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DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM,
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mediaShutdownCDROM, NULL);
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msgDebug("Found a CDROM device for %s\n", try);
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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], try, j);
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if (fd >= 0) {
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char n[BUFSIZ];
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close(fd);
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snprintf(n, sizeof n, device_names[i].name, j);
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deviceRegister(strdup(n), device_names[i].description, strdup(try),
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DEVICE_TYPE_TAPE, TRUE, mediaInitTape, mediaGetTape, mediaShutdownTape, NULL);
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msgDebug("Found a TAPE device for %s\n", try);
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}
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break;
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case DEVICE_TYPE_DISK:
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fd = deviceTry(device_names[i], try, j);
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if (fd >= 0 && RunningAsInit) {
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dev_t d;
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mode_t m;
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int s, fail;
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char unit[80], slice[80];
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close(fd);
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/* Make associated slice entries */
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for (s = 1; s < 8; s++) {
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snprintf(unit, sizeof unit, device_names[i].name, j);
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snprintf(slice, sizeof slice, "/dev/%ss%d", unit, s);
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d = makedev(device_names[i].major, device_names[i].minor +
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(j * device_names[i].delta) + (s * SLICE_DELTA));
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m = 0640;
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if (device_names[i].dev_type == 'c')
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m |= S_IFCHR;
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else
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m |= S_IFBLK;
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fail = mknod(slice, m, d);
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fd = open(slice, O_RDONLY);
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if (fd >= 0)
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close(fd);
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else if (!fail)
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(void)unlink(slice);
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}
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}
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break;
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|
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case DEVICE_TYPE_FLOPPY:
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fd = deviceTry(device_names[i], try, j);
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if (fd >= 0) {
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char n[BUFSIZ];
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|
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close(fd);
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snprintf(n, sizeof n, device_names[i].name, j);
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deviceRegister(strdup(n), device_names[i].description, strdup(try),
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DEVICE_TYPE_FLOPPY, TRUE, mediaInitFloppy, mediaGetFloppy,
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mediaShutdownFloppy, NULL);
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msgDebug("Found a floppy device for %s\n", try);
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}
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break;
|
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|
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case DEVICE_TYPE_NETWORK:
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fd = deviceTry(device_names[i], try, j);
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/* The only network devices that you can open this way are serial ones */
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if (fd >= 0) {
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char *newdesc, *cp;
|
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|
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close(fd);
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cp = device_names[i].description;
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/* Serial devices get a slip and ppp device each, if supported */
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newdesc = safe_malloc(strlen(cp) + 40);
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sprintf(newdesc, cp, "SLIP interface", try, j + 1);
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deviceRegister("sl0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
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NULL, mediaShutdownNetwork, NULL);
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msgDebug("Add mapping for %s to sl0\n", try);
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newdesc = safe_malloc(strlen(cp) + 50);
|
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sprintf(newdesc, cp, "PPP interface", try, j + 1);
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deviceRegister("ppp0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork,
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NULL, mediaShutdownNetwork, NULL);
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msgDebug("Add mapping for %s to ppp0\n", try);
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}
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break;
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|
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default:
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break;
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}
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}
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}
|
|
|
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/* Finally, go get the disks and look for DOS partitions to register */
|
|
if ((names = Disk_Names()) != NULL) {
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|
int i;
|
|
|
|
for (i = 0; names[i]; i++) {
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|
Chunk *c1;
|
|
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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|
|
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deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE,
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dummyInit, dummyGet, dummyShutdown, d);
|
|
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 == extended) {
|
|
Device *dev;
|
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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;
|
|
msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
|
|
}
|
|
}
|
|
}
|
|
free(names);
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
}
|