996c772f58
changes, so don't expect to be able to run the kernel as-is (very well) without the appropriate Lite/2 userland changes. The system boots and can mount UFS filesystems. Untested: ext2fs, msdosfs, NFS Known problems: Incorrect Berkeley ID strings in some files. Mount_std mounts will not work until the getfsent library routine is changed. Reviewed by: various people Submitted by: Jeffery Hsu <hsu@freebsd.org>
152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/*-
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley
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* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
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* Support code is derived from software contributed to Berkeley
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* by Atsushi Murai (amurai@spec.co.jp).
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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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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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, 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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* @(#)cd9660_util.c 8.3 (Berkeley) 12/5/94
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/resourcevar.h>
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#include <sys/kernel.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/buf.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/mount.h>
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#include <sys/vnode.h>
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#include <miscfs/specfs/specdev.h> /* XXX */
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#include <miscfs/fifofs/fifo.h> /* XXX */
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#include <sys/malloc.h>
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#include <sys/dir.h>
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#include <isofs/cd9660/iso.h>
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/*
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* translate and compare a filename
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* Note: Version number plus ';' may be omitted.
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*/
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int
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isofncmp(fn, fnlen, isofn, isolen)
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u_char *fn, *isofn;
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int fnlen, isolen;
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{
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int i, j;
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unsigned char c;
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while (--fnlen >= 0) {
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if (--isolen < 0)
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return *fn;
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if ((c = *isofn++) == ';') {
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switch (*fn++) {
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default:
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return *--fn;
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case 0:
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return 0;
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case ';':
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break;
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}
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for (i = 0; --fnlen >= 0; i = i * 10 + *fn++ - '0') {
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if (*fn < '0' || *fn > '9') {
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return -1;
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}
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}
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for (j = 0; --isolen >= 0; j = j * 10 + *isofn++ - '0');
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return i - j;
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}
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if (c != *fn) {
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if (c >= 'A' && c <= 'Z') {
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if (c + ('a' - 'A') != *fn) {
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if (*fn >= 'a' && *fn <= 'z')
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return *fn - ('a' - 'A') - c;
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else
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return *fn - c;
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}
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} else
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return *fn - c;
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}
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fn++;
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}
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if (isolen > 0) {
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switch (*isofn) {
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default:
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return -1;
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case '.':
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if (isofn[1] != ';')
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return -1;
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case ';':
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return 0;
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}
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}
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return 0;
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}
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/*
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* translate a filename
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*/
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void
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isofntrans(infn, infnlen, outfn, outfnlen, original, assoc)
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u_char *infn, *outfn;
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int infnlen;
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u_short *outfnlen;
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int original;
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int assoc;
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{
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int fnidx = 0;
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if (assoc) {
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*outfn++ = ASSOCCHAR;
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fnidx++;
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infnlen++;
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}
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for (; fnidx < infnlen; fnidx++) {
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char c = *infn++;
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if (!original && c >= 'A' && c <= 'Z')
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*outfn++ = c + ('a' - 'A');
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else if (!original && c == '.' && *infn == ';')
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break;
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else if (!original && c == ';')
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break;
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else
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*outfn++ = c;
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}
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*outfnlen = fnidx;
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}
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