diff options
Diffstat (limited to 'usr.sbin/rmt/rmt.c')
-rw-r--r-- | usr.sbin/rmt/rmt.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/usr.sbin/rmt/rmt.c b/usr.sbin/rmt/rmt.c deleted file mode 100644 index f5e3cc1..0000000 --- a/usr.sbin/rmt/rmt.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. 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. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. - */ - -#if 0 -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1983, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)rmt.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ -#endif -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * rmt - */ -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/mtio.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -int tape = -1; - -char *record; -int maxrecsize = -1; - -#define SSIZE 64 -char device[SSIZE]; -char count[SSIZE], mode[SSIZE], pos[SSIZE], op[SSIZE]; - -char resp[BUFSIZ]; - -FILE *debug; -#define DEBUG(f) if (debug) fprintf(debug, f) -#define DEBUG1(f,a) if (debug) fprintf(debug, f, a) -#define DEBUG2(f,a1,a2) if (debug) fprintf(debug, f, a1, a2) - -char *checkbuf(char *, int); -void error(int); -void getstring(char *); - -int -main(int argc, char **argv) -{ - int rval; - char c; - int n, i, cc; - - argc--, argv++; - if (argc > 0) { - debug = fopen(*argv, "w"); - if (debug == 0) - exit(1); - (void)setbuf(debug, (char *)0); - } -top: - errno = 0; - rval = 0; - if (read(STDIN_FILENO, &c, 1) != 1) - exit(0); - switch (c) { - - case 'O': - if (tape >= 0) - (void) close(tape); - getstring(device); - getstring(mode); - DEBUG2("rmtd: O %s %s\n", device, mode); - /* - * XXX the rmt protocol does not provide a means to - * specify the permission bits; allow rw for everyone, - * as modified by the users umask - */ - tape = open(device, atoi(mode), 0666); - if (tape < 0) - goto ioerror; - goto respond; - - case 'C': - DEBUG("rmtd: C\n"); - getstring(device); /* discard */ - if (close(tape) < 0) - goto ioerror; - tape = -1; - goto respond; - - case 'L': - getstring(count); - getstring(pos); - DEBUG2("rmtd: L %s %s\n", count, pos); - rval = lseek(tape, (off_t)strtoll(count, NULL, 10), atoi(pos)); - if (rval < 0) - goto ioerror; - goto respond; - - case 'W': - getstring(count); - n = atoi(count); - DEBUG1("rmtd: W %s\n", count); - record = checkbuf(record, n); - for (i = 0; i < n; i += cc) { - cc = read(STDIN_FILENO, &record[i], n - i); - if (cc <= 0) { - DEBUG("rmtd: premature eof\n"); - exit(2); - } - } - rval = write(tape, record, n); - if (rval < 0) - goto ioerror; - goto respond; - - case 'R': - getstring(count); - DEBUG1("rmtd: R %s\n", count); - n = atoi(count); - record = checkbuf(record, n); - rval = read(tape, record, n); - if (rval < 0) - goto ioerror; - (void)sprintf(resp, "A%d\n", rval); - (void)write(STDOUT_FILENO, resp, strlen(resp)); - (void)write(STDOUT_FILENO, record, rval); - goto top; - - case 'I': - getstring(op); - getstring(count); - DEBUG2("rmtd: I %s %s\n", op, count); - { struct mtop mtop; - mtop.mt_op = atoi(op); - mtop.mt_count = atoi(count); - if (ioctl(tape, MTIOCTOP, (char *)&mtop) < 0) - goto ioerror; - rval = mtop.mt_count; - } - goto respond; - - case 'S': /* status */ - DEBUG("rmtd: S\n"); - { struct mtget mtget; - if (ioctl(tape, MTIOCGET, (char *)&mtget) < 0) - goto ioerror; - rval = sizeof (mtget); - if (rval > 24) /* original mtget structure size */ - rval = 24; - (void)sprintf(resp, "A%d\n", rval); - (void)write(STDOUT_FILENO, resp, strlen(resp)); - (void)write(STDOUT_FILENO, (char *)&mtget, rval); - goto top; - } - - case 'V': /* version */ - getstring(op); - DEBUG1("rmtd: V %s\n", op); - rval = 2; - goto respond; - - default: - DEBUG1("rmtd: garbage command %c\n", c); - exit(3); - } -respond: - DEBUG1("rmtd: A %d\n", rval); - (void)sprintf(resp, "A%d\n", rval); - (void)write(STDOUT_FILENO, resp, strlen(resp)); - goto top; -ioerror: - error(errno); - goto top; -} - -void -getstring(char *bp) -{ - int i; - char *cp = bp; - - for (i = 0; i < SSIZE; i++) { - if (read(STDIN_FILENO, cp+i, 1) != 1) - exit(0); - if (cp[i] == '\n') - break; - } - cp[i] = '\0'; -} - -char * -checkbuf(char *rec, int size) -{ - - if (size <= maxrecsize) - return (rec); - if (rec != 0) - free(rec); - rec = malloc(size); - if (rec == 0) { - DEBUG("rmtd: cannot allocate buffer space\n"); - exit(4); - } - maxrecsize = size; - while (size > 1024 && - setsockopt(0, SOL_SOCKET, SO_RCVBUF, &size, sizeof (size)) < 0) - size -= 1024; - return (rec); -} - -void -error(int num) -{ - - DEBUG2("rmtd: E %d (%s)\n", num, strerror(num)); - (void)snprintf(resp, sizeof(resp), "E%d\n%s\n", num, strerror(num)); - (void)write(STDOUT_FILENO, resp, strlen(resp)); -} |