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[src/trunk]: src/sys/arch/alpha/stand/installboot Moved to sys/arch/alpha/sta...
details: https://anonhg.NetBSD.org/src/rev/6050b75cd7fb
branches: trunk
changeset: 471563:6050b75cd7fb
user: cgd <cgd%NetBSD.org@localhost>
date: Mon Apr 05 03:02:03 1999 +0000
description:
Moved to sys/arch/alpha/stand/installboot.old/cd9660.c,v
diffstat:
sys/arch/alpha/stand/installboot/cd9660.c | 278 ------------------------------
1 files changed, 0 insertions(+), 278 deletions(-)
diffs (282 lines):
diff -r 782b36e1846e -r 6050b75cd7fb sys/arch/alpha/stand/installboot/cd9660.c
--- a/sys/arch/alpha/stand/installboot/cd9660.c Mon Apr 05 03:02:02 1999 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,278 +0,0 @@
-/* $NetBSD: cd9660.c,v 1.1 1998/02/01 06:59:30 thorpej Exp $ */
-
-/*
- * Copyright (C) 1996 Wolfgang Solfrank.
- * Copyright (C) 1996 TooLs GmbH.
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by TooLs GmbH.
- * 4. The name of TooLs GmbH may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
- */
-
-/*
- * File lookup for ISO-9660 file systems. Taken from:
- *
- * src/sys/lib/libsa/cd9660.c
- *
- * NetBSD: cd9660.c,v 1.5 1997/06/26 19:11:33 drochner Exp
- */
-
-/*
- * Stand-alone ISO9660 file reading package.
- *
- * Note: This doesn't support Rock Ridge extensions, extended attributes,
- * blocksizes other than 2048 bytes, multi-extent files, etc.
- */
-
-#include <sys/param.h>
-#include <isofs/cd9660/iso.h>
-#include <ctype.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "extern.h"
-
-struct ptable_ent {
- char namlen [ISODCL( 1, 1)]; /* 711 */
- char extlen [ISODCL( 2, 2)]; /* 711 */
- char block [ISODCL( 3, 6)]; /* 732 */
- char parent [ISODCL( 7, 8)]; /* 722 */
- char name [1];
-};
-#define PTFIXSZ 8
-#define PTSIZE(pp) roundup(PTFIXSZ + isonum_711((pp)->namlen), 2)
-
-#define cdb2devb(bno) ((bno) * ISO_DEFAULT_BLOCK_SIZE / DEV_BSIZE)
-
-static int pnmatch __P((char *, struct ptable_ent *));
-static int dirmatch __P((char *, struct iso_directory_record *));
-static int strategy __P((int, off_t, size_t, void *, size_t *));
-
-static int
-pnmatch(path, pp)
- char *path;
- struct ptable_ent *pp;
-{
- char *cp;
- int i;
-
- cp = pp->name;
- for (i = isonum_711(pp->namlen); --i >= 0; path++, cp++) {
- if (toupper(*path) == *cp)
- continue;
- return 0;
- }
- if (*path != '/')
- return 0;
- return 1;
-}
-
-static int
-dirmatch(path, dp)
- char *path;
- struct iso_directory_record *dp;
-{
- char *cp;
- int i;
-
- /* This needs to be a regular file */
- if (dp->flags[0] & 6)
- return 0;
-
- cp = dp->name;
- for (i = isonum_711(dp->name_len); --i >= 0; path++, cp++) {
- if (!*path)
- break;
- if (toupper(*path) == *cp)
- continue;
- return 0;
- }
- if (*path)
- return 0;
- /*
- * Allow stripping of trailing dots and the version number.
- * Note that this will find the first instead of the last version
- * of a file.
- */
- if (i >= 0 && (*cp == ';' || *cp == '.')) {
- /* This is to prevent matching of numeric extensions */
- if (*cp == '.' && cp[1] != ';')
- return 0;
- while (--i >= 0)
- if (*++cp != ';' && (*cp < '0' || *cp > '9'))
- return 0;
- }
- return 1;
-}
-
-static int
-strategy(fd, blkno, size, buf, cnt)
- int fd;
- off_t blkno;
- size_t size;
- void *buf;
- size_t *cnt;
-{
- off_t offset = blkno * DEV_BSIZE;
-
- if (lseek(fd, offset, SEEK_SET) != offset)
- return (1);
- *cnt = read(fd, buf, size);
- if (*cnt != size)
- return (1);
- return (0);
-}
-
-int
-cd9660_lookup(path, fd, blknop, sizep)
- char *path;
- int fd;
- u_long *blknop, *sizep;
-{
- void *buf;
- struct iso_primary_descriptor *vd;
- size_t buf_size, read, psize, dsize;
- daddr_t bno;
- int parent, ent;
- struct ptable_ent *pp;
- struct iso_directory_record *dp = 0;
- int rc;
-
- /* First find the volume descriptor */
- buf = malloc(buf_size = ISO_DEFAULT_BLOCK_SIZE);
- vd = buf;
- for (bno = 16;; bno++) {
- rc = strategy(fd, cdb2devb(bno), ISO_DEFAULT_BLOCK_SIZE,
- buf, &read);
- if (rc)
- goto out;
- if (read != ISO_DEFAULT_BLOCK_SIZE) {
- rc = EIO;
- goto out;
- }
- rc = EINVAL;
- if (bcmp(vd->id, ISO_STANDARD_ID, sizeof vd->id) != 0)
- goto out;
- if (isonum_711(vd->type) == ISO_VD_END)
- goto out;
- if (isonum_711(vd->type) == ISO_VD_PRIMARY)
- break;
- }
- if (isonum_723(vd->logical_block_size) != ISO_DEFAULT_BLOCK_SIZE)
- goto out;
-
- /* Now get the path table and lookup the directory of the file */
- bno = isonum_732(vd->type_m_path_table);
- psize = isonum_733(vd->path_table_size);
-
- if (psize > ISO_DEFAULT_BLOCK_SIZE) {
- free(buf);
- buf = malloc(buf_size = roundup(psize, ISO_DEFAULT_BLOCK_SIZE));
- }
-
- rc = strategy(fd, cdb2devb(bno), buf_size, buf, &read);
- if (rc)
- goto out;
- if (read != buf_size) {
- rc = EIO;
- goto out;
- }
-
- parent = 1;
- pp = (struct ptable_ent *)buf;
- ent = 1;
- bno = isonum_732(pp->block) + isonum_711(pp->extlen);
-
- rc = ENOENT;
- while (*path) {
- if ((u_long)pp >= (u_long)buf + psize)
- break;
- if (isonum_722(pp->parent) != parent)
- break;
- if (!pnmatch(path, pp)) {
- pp = (struct ptable_ent *)((u_long)pp + PTSIZE(pp));
- ent++;
- continue;
- }
- path += isonum_711(pp->namlen) + 1;
- parent = ent;
- bno = isonum_732(pp->block) + isonum_711(pp->extlen);
- while ((u_long)pp < (u_long)buf + psize) {
- if (isonum_722(pp->parent) == parent)
- break;
- pp = (struct ptable_ent *)((u_long)pp + PTSIZE(pp));
- ent++;
- }
- }
-
- /* Now bno has the start of the directory that supposedly contains the file */
- bno--;
- dsize = 1; /* Something stupid, but > 0 XXX */
- for (psize = 0; psize < dsize;) {
- if (!(psize % ISO_DEFAULT_BLOCK_SIZE)) {
- bno++;
- rc = strategy(fd, cdb2devb(bno),
- ISO_DEFAULT_BLOCK_SIZE, buf, &read);
- if (rc)
- goto out;
- if (read != ISO_DEFAULT_BLOCK_SIZE) {
- rc = EIO;
- goto out;
- }
- dp = (struct iso_directory_record *)buf;
- }
- if (!isonum_711(dp->length)) {
- if ((void *)dp == buf)
- psize += ISO_DEFAULT_BLOCK_SIZE;
- else
- psize = roundup(psize, ISO_DEFAULT_BLOCK_SIZE);
- continue;
- }
- if (dsize == 1)
- dsize = isonum_733(dp->size);
- if (dirmatch(path, dp))
- break;
- psize += isonum_711(dp->length);
- dp = (struct iso_directory_record *)((u_long)dp + isonum_711(dp->length));
- }
-
- if (psize >= dsize) {
- rc = ENOENT;
- goto out;
- }
-
- *blknop = isonum_733(dp->extent);
- *sizep = isonum_733(dp->size);
- free(buf);
-
- return 0;
-
-out:
- free(buf);
-
- return rc;
-}
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