/* * The new sysinstall program. * * This is probably the last program in the `sysinstall' line - the next * generation being essentially a complete rewrite. * * $Id: devices.c,v 1.72 1998/03/16 14:33:18 jkh Exp $ * * Copyright (c) 1995 * Jordan Hubbard. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * verbatim and that no modifications are made prior to this * point in the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include "sysinstall.h" #include #include #include #include #include #include #include #include #include #include #include #include #include /* how much to bias minor number for a given /dev/s slice */ #define SLICE_DELTA (0x10000) static Device *Devices[DEV_MAX]; static int numDevs; static struct _devname { DeviceType type; char *name; char *description; int major, minor, delta, max; char dev_type; } device_names[] = { { DEVICE_TYPE_CDROM, "cd%dc", "SCSI CDROM drive", 6, 2, 8, 4, 'b' }, { DEVICE_TYPE_CDROM, "mcd%dc", "Mitsumi (old model) CDROM drive", 7, 2, 8, 4, 'b' }, { DEVICE_TYPE_CDROM, "scd%dc", "Sony CDROM drive - CDU31/33A type", 16, 2, 8, 4, 'b' }, { DEVICE_TYPE_CDROM, "matcd%dc", "Matsushita CDROM ('sound blaster' type)", 17, 2, 8, 4, 'b' }, { DEVICE_TYPE_CDROM, "wcd%dc", "ATAPI IDE CDROM", 19, 2, 8, 4, 'b' }, { DEVICE_TYPE_TAPE, "rst%d", "SCSI tape drive", 14, 0, 16, 4, 'c' }, { DEVICE_TYPE_TAPE, "rft%d", "Floppy tape drive (QIC-02)", 9, 32, 64, 4, 'c' }, { DEVICE_TYPE_TAPE, "rwt%d", "Wangtek tape drive", 10, 0, 1, 4, 'c' }, { DEVICE_TYPE_DISK, "sd%d", "SCSI disk device", 4, 65538, 8, 32, 'b' }, { DEVICE_TYPE_DISK, "rsd%d", "SCSI disk device", 13, 65538, 8, 32, 'c' }, { DEVICE_TYPE_DISK, "wd%d", "IDE/ESDI/MFM/ST506 disk device", 0, 65538, 8, 32, 'b' }, { DEVICE_TYPE_DISK, "rwd%d", "IDE/ESDI/MFM/ST506 disk device", 3, 65538, 8, 32, 'c' }, { DEVICE_TYPE_DISK, "od%d", "SCSI optical disk device", 20, 65538, 8, 4, 'b' }, { DEVICE_TYPE_DISK, "rod%d", "SCSI optical disk device", 70, 65538, 8, 4, 'c' }, { DEVICE_TYPE_DISK, "wfd%d", "ATAPI FLOPPY (LS-120) device", 24, 65538, 8, 4, 'b' }, { DEVICE_TYPE_DISK, "rwfd%d", "ATAPI FLOPPY (LS-120) device", 87, 65538, 8, 4, 'c' }, { DEVICE_TYPE_FLOPPY, "fd%d", "floppy drive unit A", 2, 0, 64, 4, 'b' }, { DEVICE_TYPE_FLOPPY, "worm%d", "SCSI optical disk / CDR", 23, 0, 1, 4, 'b' }, { DEVICE_TYPE_NETWORK, "de", "DEC DE435 PCI NIC or other DC21040-AA based card" }, { DEVICE_TYPE_NETWORK, "fxp", "Intel EtherExpress Pro/100B PCI Fast Ethernet card" }, { DEVICE_TYPE_NETWORK, "ed", "WD/SMC 80xx; Novell NE1000/2000; 3Com 3C503 card" }, { DEVICE_TYPE_NETWORK, "ep", "3Com 3C509 ethernet card" }, { DEVICE_TYPE_NETWORK, "el", "3Com 3C501 ethernet card" }, { DEVICE_TYPE_NETWORK, "ex", "Intel EtherExpress Pro/10 ethernet card" }, { DEVICE_TYPE_NETWORK, "fe", "Fujitsu MB86960A/MB86965A ethernet card" }, { DEVICE_TYPE_NETWORK, "ie", "AT&T StarLAN 10 and EN100; 3Com 3C507; NI5210" }, { DEVICE_TYPE_NETWORK, "ix", "Intel Etherexpress ethernet card" }, { DEVICE_TYPE_NETWORK, "le", "DEC EtherWorks 2 or 3 ethernet card" }, { DEVICE_TYPE_NETWORK, "lnc", "Lance/PCnet (Isolan/Novell NE2100/NE32-VL) ethernet" }, { DEVICE_TYPE_NETWORK, "tx", "SMC 9432TX ethernet card" }, { DEVICE_TYPE_NETWORK, "vx", "3COM 3c590 / 3c595 / 3c9xx ethernet card" }, { DEVICE_TYPE_NETWORK, "ze", "IBM/National Semiconductor PCMCIA ethernet card" }, { DEVICE_TYPE_NETWORK, "zp", "3Com Etherlink III PCMCIA ethernet card" }, { DEVICE_TYPE_NETWORK, "cuaa%d", "%s on device %s (COM%d)", 28, 128, 1, 16, 'c' }, { DEVICE_TYPE_NETWORK, "lp", "Parallel Port IP (PLIP) peer connection" }, { DEVICE_TYPE_NETWORK, "lo", "Loop-back (local) network interface" }, { 0 }, }; Device * new_device(char *name) { Device *dev; dev = safe_malloc(sizeof(Device)); bzero(dev, sizeof(Device)); if (name) SAFE_STRCPY(dev->name, name); return dev; } /* Stubs for unimplemented strategy routines */ Boolean dummyInit(Device *dev) { return TRUE; } FILE * dummyGet(Device *dev, char *dist, Boolean probe) { return NULL; } void dummyShutdown(Device *dev) { return; } static int deviceTry(struct _devname dev, char *try, int i) { int fd; char unit[80]; mode_t m; dev_t d; int fail; snprintf(unit, sizeof unit, dev.name, i); snprintf(try, FILENAME_MAX, "/dev/%s", unit); fd = open(try, O_RDONLY); if (fd >= 0) return fd; m = 0640; if (dev.dev_type == 'c') m |= S_IFCHR; else m |= S_IFBLK; d = makedev(dev.major, dev.minor + (i * dev.delta)); fail = mknod(try, m, d); fd = open(try, O_RDONLY); if (fd >= 0) return fd; else if (!fail) (void)unlink(try); /* Don't try a "make-under" here since we're using a fixit floppy in this case */ snprintf(try, FILENAME_MAX, "/mnt/dev/%s", unit); fd = open(try, O_RDONLY); return fd; } /* Register a new device in the devices array */ Device * deviceRegister(char *name, char *desc, char *devname, DeviceType type, Boolean enabled, Boolean (*init)(Device *), FILE * (*get)(Device *, char *, Boolean), void (*shutdown)(Device *), void *private) { Device *newdev = NULL; if (numDevs == DEV_MAX) msgFatal("Too many devices found!"); else { newdev = new_device(name); newdev->description = desc; newdev->devname = devname; newdev->type = type; newdev->enabled = enabled; newdev->init = init ? init : dummyInit; newdev->get = get ? get : dummyGet; newdev->shutdown = shutdown ? shutdown : dummyShutdown; newdev->private = private; Devices[numDevs] = newdev; Devices[++numDevs] = NULL; } return newdev; } /* Get all device information for devices we have attached */ void deviceGetAll(void) { int i, j, fd, s; struct ifconf ifc; struct ifreq *ifptr, *end; int ifflags; char buffer[INTERFACE_MAX * sizeof(struct ifreq)]; char **names; /* First go for the network interfaces. Stolen shamelessly from ifconfig! */ ifc.ifc_len = sizeof(buffer); ifc.ifc_buf = buffer; s = socket(AF_INET, SOCK_DGRAM, 0); if (s < 0) { msgConfirm("ifconfig: socket"); goto skipif; /* Jump over network iface probing */ } if (ioctl(s, SIOCGIFCONF, (char *) &ifc) < 0) { msgConfirm("ifconfig (SIOCGIFCONF)"); goto skipif; /* Jump over network iface probing */ } ifflags = ifc.ifc_req->ifr_flags; end = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len); for (ifptr = ifc.ifc_req; ifptr < end; ifptr++) { char *descr; /* If it's not a link entry, forget it */ if (ifptr->ifr_ifru.ifru_addr.sa_family != AF_LINK) continue; /* Eliminate network devices that don't make sense */ if (!strncmp(ifptr->ifr_name, "lo", 2)) continue; /* If we have a slip device, don't register it */ if (!strncmp(ifptr->ifr_name, "sl", 2)) { continue; } /* And the same for ppp */ if (!strncmp(ifptr->ifr_name, "tun", 3) || !strncmp(ifptr->ifr_name, "ppp", 3)) { continue; } /* Try and find its description */ for (i = 0, descr = NULL; device_names[i].name; i++) { int len = strlen(device_names[i].name); if (!ifptr->ifr_name || !ifptr->ifr_name[0]) continue; else if (!strncmp(ifptr->ifr_name, device_names[i].name, len)) { descr = device_names[i].description; break; } } if (!descr) descr = ""; deviceRegister(ifptr->ifr_name, descr, strdup(ifptr->ifr_name), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork, NULL, mediaShutdownNetwork, NULL); msgDebug("Found a network device named %s\n", ifptr->ifr_name); close(s); if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { msgConfirm("ifconfig: socket"); continue; } if (ifptr->ifr_addr.sa_len) /* I'm not sure why this is here - it's inherited */ ifptr = (struct ifreq *)((caddr_t)ifptr + ifptr->ifr_addr.sa_len - sizeof(struct sockaddr)); } skipif: /* Next, try to find all the types of devices one might need * during the second stage of the installation. */ for (i = 0; device_names[i].name; i++) { for (j = 0; j < device_names[i].max; j++) { char try[FILENAME_MAX]; switch(device_names[i].type) { case DEVICE_TYPE_CDROM: fd = deviceTry(device_names[i], try, j); if (fd >= 0 || errno == EBUSY) { /* EBUSY if already mounted */ char n[BUFSIZ]; if (fd >= 0) close(fd); snprintf(n, sizeof n, device_names[i].name, j); deviceRegister(strdup(n), device_names[i].description, strdup(try), DEVICE_TYPE_CDROM, TRUE, mediaInitCDROM, mediaGetCDROM, mediaShutdownCDROM, NULL); msgDebug("Found a CDROM device for %s\n", try); } break; case DEVICE_TYPE_TAPE: fd = deviceTry(device_names[i], try, j); if (fd >= 0) { char n[BUFSIZ]; close(fd); snprintf(n, sizeof n, device_names[i].name, j); deviceRegister(strdup(n), device_names[i].description, strdup(try), DEVICE_TYPE_TAPE, TRUE, mediaInitTape, mediaGetTape, mediaShutdownTape, NULL); msgDebug("Found a TAPE device for %s\n", try); } break; case DEVICE_TYPE_DISK: fd = deviceTry(device_names[i], try, j); if (fd >= 0 && RunningAsInit) { dev_t d; int s, fail; char unit[80], slice[80]; close(fd); /* Make associated slice entries */ for (s = 1; s < 33; s++) { snprintf(unit, sizeof unit, device_names[i].name, i); snprintf(slice, sizeof slice, "/dev/%ss%d", unit, s); d = makedev(device_names[i].major, device_names[i].minor + (j * device_names[i].delta) + (s * SLICE_DELTA)); fail = mknod(slice, 0640 | S_IFBLK, d); fd = open(slice, O_RDONLY); if (fd >= 0) close(fd); else if (!fail) (void)unlink(slice); } } break; case DEVICE_TYPE_FLOPPY: fd = deviceTry(device_names[i], try, j); if (fd >= 0) { char n[BUFSIZ]; close(fd); snprintf(n, sizeof n, device_names[i].name, j); deviceRegister(strdup(n), device_names[i].description, strdup(try), DEVICE_TYPE_FLOPPY, TRUE, mediaInitFloppy, mediaGetFloppy, mediaShutdownFloppy, NULL); msgDebug("Found a floppy device for %s\n", try); } break; case DEVICE_TYPE_NETWORK: fd = deviceTry(device_names[i], try, j); /* The only network devices that you can open this way are serial ones */ if (fd >= 0) { char *newdesc, *cp; close(fd); cp = device_names[i].description; /* Serial devices get a slip and ppp device each, if supported */ newdesc = safe_malloc(strlen(cp) + 40); sprintf(newdesc, cp, "SLIP interface", try, j + 1); deviceRegister("sl0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork, NULL, mediaShutdownNetwork, NULL); msgDebug("Add mapping for %s to sl0\n", try); newdesc = safe_malloc(strlen(cp) + 50); sprintf(newdesc, cp, "PPP interface", try, j + 1); deviceRegister("ppp0", newdesc, strdup(try), DEVICE_TYPE_NETWORK, TRUE, mediaInitNetwork, NULL, mediaShutdownNetwork, NULL); msgDebug("Add mapping for %s to ppp0\n", try); } break; default: break; } } } /* Finally, go get the disks and look for DOS partitions to register */ if ((names = Disk_Names()) != NULL) { int i; for (i = 0; names[i]; i++) { Chunk *c1; Disk *d; d = Open_Disk(names[i]); if (!d) msgFatal("Unable to open disk %s", names[i]); deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK, FALSE, 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; 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); } } /* * 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 = ""; tmp->items[i].fire = hook; tmp->items[i].checked = check; } tmp->items[i].title = NULL; return tmp; }