534 lines
17 KiB
C
534 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 1.96 1999/07/09 04:30:06 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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#ifdef notdef
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{ DEVICE_TYPE_CDROM, "matcd%da", "Matsushita CDROM ('sound blaster' type)", 17, 0, 8, 4, 'b' },
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#endif
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{ DEVICE_TYPE_CDROM, "acd%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", "M-Systems DiskOnChip Flash device", 28, 65538, 8, 16, 'b' },
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{ DEVICE_TYPE_DISK, "rfla%d", "M-Systems DiskOnChip Flash devicee", 102, 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, "al", "ADMtek AL981 PCI ethernet card" },
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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", "Novell NE1000/2000; 3C503; NE2000-compatible PCMCIA" },
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{ DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 ethernet card/3C589 PCMCIA" },
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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, "sk", "SysKonnect PCI gigabit ethernet card" },
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{ DEVICE_TYPE_NETWORK, "tx", "SMC 9432TX ethernet card" },
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{ DEVICE_TYPE_NETWORK, "ti", "Alteon Networks PCI gigabit 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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goto skipif; /* Jump over network iface probing */
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if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0)
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goto skipif; /* Jump over network iface probing */
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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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goto loopend;
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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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goto loopend;
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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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goto loopend;
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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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goto loopend;
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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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continue;
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loopend:
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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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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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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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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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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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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 */
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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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Chunk *c1;
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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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deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE,
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dummyInit, dummyGet, dummyShutdown, d);
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msgDebug("Found a disk device named %s\n", names[i]);
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/* Look for existing DOS partitions to register as "DOS media devices" */
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for (c1 = d->chunks->part; c1; c1 = c1->next) {
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if (c1->type == fat || c1->type == extended) {
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Device *dev;
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char devname[80];
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/* Got one! */
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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;
|
|
}
|