diff options
Diffstat (limited to 'usr.sbin/fdread/fdread.c')
-rw-r--r-- | usr.sbin/fdread/fdread.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/usr.sbin/fdread/fdread.c b/usr.sbin/fdread/fdread.c deleted file mode 100644 index 1aae665..0000000 --- a/usr.sbin/fdread/fdread.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * Copyright (c) 2001 Joerg Wunsch - * - * 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. - * 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 THE DEVELOPERS ``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 THE DEVELOPERS 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, 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. - * - * $FreeBSD$ - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/fdcio.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <paths.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> -#include <unistd.h> - -#include <dev/ic/nec765.h> - -#include "fdutil.h" - -int quiet, recover; -unsigned char fillbyte = 0xf0; /* "foo" */ - -int doread(int fd, FILE *of, const char *_devname); -int doreadid(int fd, unsigned int numids, unsigned int trackno); -void usage(void); - -void -usage(void) -{ - - errx(EX_USAGE, - "usage: fdread [-qr] [-d device] [-f fillbyte]\n" - " fdread [-d device] -I numids [-t trackno]"); -} - - -int -main(int argc, char **argv) -{ - int c, errs = 0; - unsigned int numids = 0, trackno = 0; - const char *fname = 0, *_devname = "/dev/fd0"; - char *cp; - FILE *of = stdout; - int fd; - unsigned long ul; - - while ((c = getopt(argc, argv, "d:f:I:o:qrt:")) != -1) - switch (c) { - case 'd': - _devname = optarg; - break; - - case 'f': - ul = strtoul(optarg, &cp, 0); - if (*cp != '\0') { - fprintf(stderr, - "Bad argument %s to -f option; must be numeric\n", - optarg); - usage(); - } - if (ul > 0xff) - warnx( - "Warning: fillbyte %#lx too large, truncating\n", - ul); - fillbyte = ul & 0xff; - break; - - case 'I': - ul = strtoul(optarg, &cp, 0); - if (*cp != '\0') { - fprintf(stderr, - "Bad argument %s to -I option; must be numeric\n", - optarg); - usage(); - } - numids = ul; - break; - - case 'o': - fname = optarg; - break; - - case 'q': - quiet++; - break; - - case 'r': - recover++; - break; - - case 't': - ul = strtoul(optarg, &cp, 0); - if (*cp != '\0') { - fprintf(stderr, - "Bad argument %s to -t option; must be numeric\n", - optarg); - usage(); - } - trackno = ul; - break; - - default: - errs++; - } - argc -= optind; - argv += optind; - - if (argc != 0 || errs) - usage(); - /* check for mutually exclusive options */ - if (numids) { - if (fname || quiet || recover) - usage(); - } else { - if (trackno) - usage(); - } - - if (fname) { - if ((of = fopen(fname, "w")) == NULL) - err(EX_OSERR, "cannot create output file %s", fname); - } - - if ((fd = open(_devname, O_RDWR)) == -1) - err(EX_OSERR, "cannot open device %s", _devname); - - return (numids? doreadid(fd, numids, trackno): doread(fd, of, _devname)); -} - -int -doread(int fd, FILE *of, const char *_devname) -{ - char *trackbuf; - int rv, fdopts, recoverable, nerrs = 0; - unsigned int nbytes, tracksize, mediasize, secsize, n; - struct fdc_status fdcs; - struct fd_type fdt; - - if (ioctl(fd, FD_GTYPE, &fdt) == -1) - err(EX_OSERR, "ioctl(FD_GTYPE) failed -- not a floppy?"); - - secsize = 128 << fdt.secsize; - tracksize = fdt.sectrac * secsize; - mediasize = tracksize * fdt.tracks * fdt.heads; - if ((trackbuf = malloc(tracksize)) == 0) - errx(EX_TEMPFAIL, "out of memory"); - - if (!quiet) - fprintf(stderr, "Reading %d * %d * %d * %d medium at %s\n", - fdt.tracks, fdt.heads, fdt.sectrac, secsize, _devname); - - for (nbytes = 0; nbytes < mediasize;) { - if (lseek(fd, nbytes, SEEK_SET) != nbytes) - err(EX_OSERR, "cannot lseek()"); - rv = read(fd, trackbuf, tracksize); - if (rv == 0) { - /* EOF? */ - warnx("premature EOF after %u bytes", nbytes); - return (EX_OK); - } - if ((unsigned)rv == tracksize) { - nbytes += rv; - if (!quiet) - fprintf(stderr, "%5d KB\r", nbytes / 1024); - fwrite(trackbuf, sizeof(unsigned char), rv, of); - fflush(of); - continue; - } - if (rv == -1) { - /* fall back reading one sector at a time */ - for (n = 0; n < tracksize; n += secsize) { - if (lseek(fd, nbytes, SEEK_SET) != nbytes) - err(EX_OSERR, "cannot lseek()"); - rv = read(fd, trackbuf, secsize); - if ((unsigned) rv == secsize) { - nbytes += rv; - if (!quiet) - fprintf(stderr, "%5d KB\r", - nbytes / 1024); - fwrite(trackbuf, sizeof(unsigned char), - rv, of); - fflush(of); - continue; - } - if (rv == -1) { - if (errno != EIO) { - if (!quiet) - putc('\n', stderr); - perror("non-IO error"); - return (EX_OSERR); - } - if (ioctl(fd, FD_GSTAT, &fdcs) == -1) - errx(EX_IOERR, - "floppy IO error, but no FDC status"); - nerrs++; - recoverable = fdcs.status[2] & - NE7_ST2_DD; - if (!quiet) { - printstatus(&fdcs, 0); - fputs(" (", stderr); - if (!recoverable) - fputs("not ", stderr); - fputs("recoverable)", stderr); - } - if (!recover) { - if (!quiet) - putc('\n', stderr); - return (EX_IOERR); - } - memset(trackbuf, fillbyte, secsize); - if (recoverable) { - fdopts |= FDOPT_NOERROR; - if (ioctl(fd, FD_SOPTS, - &fdopts) == -1) - err(EX_OSERR, - "ioctl(fd, FD_SOPTS, FDOPT_NOERROR)"); - rv = read(fd, trackbuf, - secsize); - if ((unsigned)rv != secsize) - err(EX_IOERR, - "read() with FDOPT_NOERROR still fails"); - fdopts &= ~FDOPT_NOERROR; - (void)ioctl(fd, FD_SOPTS, - &fdopts); - } - if (!quiet) { - if (recoverable) - fprintf(stderr, - ": recovered"); - else - fprintf(stderr, - ": dummy"); - fprintf(stderr, - " data @ %#x ... %#x\n", - nbytes, - nbytes + secsize - 1); - } - nbytes += secsize; - fwrite(trackbuf, sizeof(unsigned char), - secsize, of); - fflush(of); - continue; - } - errx(EX_OSERR, "unexpected read() result: %d", - rv); - } - } - if ((unsigned)rv < tracksize) { - /* should not happen */ - nbytes += rv; - if (!quiet) - fprintf(stderr, "\nshort after %5d KB\r", - nbytes / 1024); - fwrite(trackbuf, sizeof(unsigned char), rv, of); - fflush(of); - continue; - } - } - if (!quiet) { - putc('\n', stderr); - if (nerrs) - fprintf(stderr, "%d error%s\n", - nerrs, nerrs > 1? "s": ""); - } - - return (nerrs? EX_IOERR: EX_OK); -} - -int -doreadid(int fd, unsigned int numids, unsigned int trackno) -{ - int rv = 0; - unsigned int i; - struct fdc_readid info; - struct fdc_status fdcs; - struct fd_type fdt; - - if (ioctl(fd, FD_GTYPE, &fdt) == -1) - err(EX_OSERR, "ioctl(FD_GTYPE) failed -- not a floppy?"); - - for (i = 0; i < numids; i++) { - info.cyl = trackno / fdt.heads; - info.head = fdt.heads > 1? trackno % fdt.heads: 0; - if (ioctl(fd, FD_READID, &info) == 0) { - printf("C = %d, H = %d, R = %d, N = %d\n", - info.cyl, info.head, info.sec, info.secshift); - } else { - if (errno != EIO) { - perror("non-IO error"); - return (EX_OSERR); - } - if (ioctl(fd, FD_GSTAT, &fdcs) == -1) - errx(EX_IOERR, - "floppy IO error, but no FDC status"); - printstatus(&fdcs, 0); - putc('\n', stderr); - rv = EX_IOERR; - } - } - - return (rv); -} |