438 lines
10 KiB
C
438 lines
10 KiB
C
/* $NetBSD: makefs.c,v 1.50 2013/08/05 14:41:57 reinoud Exp $ */
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/*
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* Copyright (c) 2001-2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Luke Mewburn for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: makefs.c,v 1.50 2013/08/05 14:41:57 reinoud Exp $");
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#endif /* !__lint */
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include <util.h>
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#include "makefs.h"
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#include "mtree.h"
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#include "cd9660.h"
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/*
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* list of supported file systems and dispatch functions
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*/
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typedef struct {
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const char *type;
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void (*prepare_options)(fsinfo_t *);
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int (*parse_options)(const char *, fsinfo_t *);
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void (*cleanup_options)(fsinfo_t *);
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void (*make_fs)(const char *, const char *, fsnode *,
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fsinfo_t *);
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} fstype_t;
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static fstype_t fstypes[] = {
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#define ENTRY(name) { \
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# name, name ## _prep_opts, name ## _parse_opts, \
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name ## _cleanup_opts, name ## _makefs \
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}
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ENTRY(ffs),
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ENTRY(cd9660),
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ENTRY(chfs),
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ENTRY(v7fs),
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ENTRY(msdos),
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ENTRY(udf),
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{ .type = NULL },
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};
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u_int debug;
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struct timespec start_time;
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static fstype_t *get_fstype(const char *);
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static void usage(fstype_t *, fsinfo_t *) __dead;
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int
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main(int argc, char *argv[])
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{
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struct timeval start;
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fstype_t *fstype;
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fsinfo_t fsoptions;
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fsnode *root;
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int ch, i, len;
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char *specfile;
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setprogname(argv[0]);
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debug = 0;
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if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
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errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
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/* set default fsoptions */
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(void)memset(&fsoptions, 0, sizeof(fsoptions));
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fsoptions.fd = -1;
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fsoptions.sectorsize = -1;
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if (fstype->prepare_options)
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fstype->prepare_options(&fsoptions);
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specfile = NULL;
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if (gettimeofday(&start, NULL) == -1)
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err(1, "Unable to get system time");
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start_time.tv_sec = start.tv_sec;
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start_time.tv_nsec = start.tv_usec * 1000;
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while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:O:o:rs:S:t:xZ")) != -1) {
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switch (ch) {
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case 'B':
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if (strcmp(optarg, "be") == 0 ||
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strcmp(optarg, "4321") == 0 ||
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strcmp(optarg, "big") == 0) {
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#if BYTE_ORDER == LITTLE_ENDIAN
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fsoptions.needswap = 1;
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#endif
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} else if (strcmp(optarg, "le") == 0 ||
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strcmp(optarg, "1234") == 0 ||
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strcmp(optarg, "little") == 0) {
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#if BYTE_ORDER == BIG_ENDIAN
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fsoptions.needswap = 1;
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#endif
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} else {
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warnx("Invalid endian `%s'.", optarg);
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usage(fstype, &fsoptions);
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}
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break;
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case 'b':
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len = strlen(optarg) - 1;
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if (optarg[len] == '%') {
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optarg[len] = '\0';
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fsoptions.freeblockpc =
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strsuftoll("free block percentage",
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optarg, 0, 99);
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} else {
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fsoptions.freeblocks =
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strsuftoll("free blocks",
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optarg, 0, LLONG_MAX);
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}
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break;
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case 'd':
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debug = strtoll(optarg, NULL, 0);
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break;
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case 'f':
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len = strlen(optarg) - 1;
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if (optarg[len] == '%') {
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optarg[len] = '\0';
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fsoptions.freefilepc =
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strsuftoll("free file percentage",
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optarg, 0, 99);
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} else {
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fsoptions.freefiles =
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strsuftoll("free files",
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optarg, 0, LLONG_MAX);
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}
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break;
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case 'F':
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specfile = optarg;
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break;
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case 'M':
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fsoptions.minsize =
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strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
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break;
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case 'N':
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if (! setup_getid(optarg))
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errx(1,
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"Unable to use user and group databases in `%s'",
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optarg);
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break;
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case 'm':
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fsoptions.maxsize =
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strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
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break;
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case 'O':
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fsoptions.offset =
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strsuftoll("offset", optarg, 0LL, LLONG_MAX);
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break;
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case 'o':
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{
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char *p;
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while ((p = strsep(&optarg, ",")) != NULL) {
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if (*p == '\0')
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errx(1, "Empty option");
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if (! fstype->parse_options(p, &fsoptions))
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usage(fstype, &fsoptions);
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}
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break;
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}
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case 'r':
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fsoptions.replace = 1;
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break;
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case 's':
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fsoptions.minsize = fsoptions.maxsize =
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strsuftoll("size", optarg, 1LL, LLONG_MAX);
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break;
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case 'S':
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fsoptions.sectorsize =
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(int)strsuftoll("sector size", optarg,
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1LL, INT_MAX);
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break;
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case 't':
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/* Check current one and cleanup if necessary. */
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if (fstype->cleanup_options)
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fstype->cleanup_options(&fsoptions);
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fsoptions.fs_specific = NULL;
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if ((fstype = get_fstype(optarg)) == NULL)
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errx(1, "Unknown fs type `%s'.", optarg);
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fstype->prepare_options(&fsoptions);
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break;
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case 'x':
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fsoptions.onlyspec = 1;
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break;
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case 'Z':
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fsoptions.sparse = 1;
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break;
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case '?':
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default:
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usage(fstype, &fsoptions);
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/* NOTREACHED */
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}
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}
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if (debug) {
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printf("debug mask: 0x%08x\n", debug);
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printf("start time: %ld.%ld, %s",
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(long)start_time.tv_sec, (long)start_time.tv_nsec,
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ctime(&start_time.tv_sec));
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}
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argc -= optind;
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argv += optind;
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if (argc < 2)
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usage(fstype, &fsoptions);
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/* -x must be accompanied by -F */
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if (fsoptions.onlyspec != 0 && specfile == NULL)
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errx(1, "-x requires -F mtree-specfile.");
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/* walk the tree */
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TIMER_START(start);
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root = walk_dir(argv[1], ".", NULL, NULL, fsoptions.replace);
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TIMER_RESULTS(start, "walk_dir");
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/* append extra directory */
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for (i = 2; i < argc; i++) {
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struct stat sb;
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if (stat(argv[i], &sb) == -1)
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err(1, "Can't stat `%s'", argv[i]);
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if (!S_ISDIR(sb.st_mode))
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errx(1, "%s: not a directory", argv[i]);
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TIMER_START(start);
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root = walk_dir(argv[i], ".", NULL, root, fsoptions.replace);
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TIMER_RESULTS(start, "walk_dir2");
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}
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if (specfile) { /* apply a specfile */
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TIMER_START(start);
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apply_specfile(specfile, argv[1], root, fsoptions.onlyspec);
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TIMER_RESULTS(start, "apply_specfile");
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}
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if (debug & DEBUG_DUMP_FSNODES) {
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printf("\nparent: %s\n", argv[1]);
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dump_fsnodes(root);
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putchar('\n');
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}
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/* build the file system */
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TIMER_START(start);
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fstype->make_fs(argv[0], argv[1], root, &fsoptions);
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TIMER_RESULTS(start, "make_fs");
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free_fsnodes(root);
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exit(0);
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/* NOTREACHED */
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}
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int
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set_option(const option_t *options, const char *option, char *buf, size_t len)
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{
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char *var, *val;
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int retval;
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assert(option != NULL);
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var = estrdup(option);
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for (val = var; *val; val++)
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if (*val == '=') {
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*val++ = '\0';
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break;
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}
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retval = set_option_var(options, var, val, buf, len);
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free(var);
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return retval;
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}
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int
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set_option_var(const option_t *options, const char *var, const char *val,
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char *buf, size_t len)
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{
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char *s;
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size_t i;
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#define NUM(type) \
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if (!*val) { \
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*(type *)options[i].value = 1; \
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break; \
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} \
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*(type *)options[i].value = (type)strsuftoll(options[i].desc, val, \
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options[i].minimum, options[i].maximum); break
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for (i = 0; options[i].name != NULL; i++) {
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if (var[1] == '\0') {
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if (options[i].letter != var[0])
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continue;
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} else if (strcmp(options[i].name, var) != 0)
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continue;
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switch (options[i].type) {
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case OPT_BOOL:
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*(bool *)options[i].value = 1;
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break;
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case OPT_STRARRAY:
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strlcpy((void *)options[i].value, val, (size_t)
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options[i].maximum);
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break;
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case OPT_STRPTR:
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s = estrdup(val);
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*(char **)options[i].value = s;
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break;
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case OPT_STRBUF:
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if (buf == NULL)
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abort();
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strlcpy(buf, val, len);
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break;
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case OPT_INT64:
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NUM(uint64_t);
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case OPT_INT32:
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NUM(uint32_t);
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case OPT_INT16:
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NUM(uint16_t);
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case OPT_INT8:
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NUM(uint8_t);
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default:
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warnx("Unknown type %d in option %s", options[i].type,
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val);
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return 0;
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}
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return i;
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}
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warnx("Unknown option `%s'", var);
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return -1;
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}
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static fstype_t *
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get_fstype(const char *type)
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{
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int i;
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for (i = 0; fstypes[i].type != NULL; i++)
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if (strcmp(fstypes[i].type, type) == 0)
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return (&fstypes[i]);
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return (NULL);
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}
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option_t *
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copy_opts(const option_t *o)
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{
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size_t i;
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for (i = 0; o[i].name; i++)
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continue;
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i++;
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return memcpy(ecalloc(i, sizeof(*o)), o, i * sizeof(*o));
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}
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static void
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usage(fstype_t *fstype, fsinfo_t *fsoptions)
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{
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const char *prog;
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prog = getprogname();
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fprintf(stderr,
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"Usage: %s [-rxZ] [-B endian] [-b free-blocks] [-d debug-mask]\n"
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"\t[-F mtree-specfile] [-f free-files] [-M minimum-size] [-m maximum-size]\n"
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"\t[-N userdb-dir] [-O offset] [-o fs-options] [-S sector-size]\n"
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"\t[-s image-size] [-t fs-type] image-file directory [extra-directory ...]\n",
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prog);
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if (fstype) {
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size_t i;
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option_t *o = fsoptions->fs_options;
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fprintf(stderr, "\n%s specific options:\n", fstype->type);
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for (i = 0; o[i].name != NULL; i++)
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fprintf(stderr, "\t%c%c%20.20s\t%s\n",
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o[i].letter ? o[i].letter : ' ',
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o[i].letter ? ',' : ' ',
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o[i].name, o[i].desc);
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}
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exit(1);
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}
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