etdump - zygaena/hammerhead

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etdump Plain Text 788 lines 23.7 KB
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source.  A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#

#
# Copyright 2019 Toomas Soome <tsoome@me.com>
# Copyright (c) 2019, Joyent, Inc.
#

PROG=	etdump
OBJS=	etdump.o output_shell.o output_text.o
SRCS=	$(OBJS:%.o=%.c)

include ../Makefile.cmd

# comes from FreeBSD upstream
SMOFF += all_func_returns

.KEEP_STATE:

all: $(PROG)

install: all $(ROOTPROG)

clean:
	$(RM) $(OBJS)

$(PROG):	$(OBJS)
	$(LINK.c) $(OBJS) -o $@ $(LDLIBS)
	$(POST_PROCESS)

lint:

include ../Makefile.targ
cd9660_eltorito.h:
cd9660_conversion.c:
/*
 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
 *
 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
 * Perez-Rathke and Ram Vedam.  All rights reserved.
 *
 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
 * Alan Perez-Rathke and Ram Vedam.
 *
 * 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 DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``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 DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM 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.
 */

etdump.h:
etdump.c:
etdump.1:
output_shell.c:
output_text.c:
/*
 * Copyright (c) 2018 iXsystems, Inc.
 * 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 AUTHOR 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 AUTHOR 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.
 */
etdump utility command
/*
 * $NetBSD: cd9660_eltorito.h,v 1.6 2017/01/24 11:22:43 nonaka Exp $
 */

/*
 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
 *
 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
 * Perez-Rathke and Ram Vedam.  All rights reserved.
 *
 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
 * Alan Perez-Rathke and Ram Vedam.
 *
 * 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 DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``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 DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM 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.
 */

#ifndef _CD9660_ELTORITO_H_
#define	_CD9660_ELTORITO_H_

#include <sys/types.h>
#include <sys/queue.h>

/* Boot defines */
#define	ET_ID		"EL TORITO SPECIFICATION"
#define	ET_SYS_X86	0
#define	ET_SYS_PPC	1
#define	ET_SYS_MAC	2
#define	ET_SYS_EFI	0xef	/* Platform ID at section header entry */

#define	ET_BOOT_ENTRY_SIZE 0x20

#define	ET_BOOTABLE		0x88
#define	ET_NOT_BOOTABLE		0

#define	ET_MEDIA_NOEM			0
#define	ET_MEDIA_12FDD			1
#define	ET_MEDIA_144FDD			2
#define	ET_MEDIA_288FDD			3
#define	ET_MEDIA_HDD			4

#define	ET_INDICATOR_HEADERMORE	0x90
#define	ET_INDICATOR_HEADERLAST	0x91
#define	ET_INDICATOR_EXTENSION	0x44

/* Boot Structures */

#define	ISODCL(from, to) (to - from + 1)

typedef struct _boot_volume_descriptor {
	uchar_t boot_record_indicator	[ISODCL(0x00, 0x00)];
	uchar_t identifier		[ISODCL(0x01, 0x05)];
	uchar_t version			[ISODCL(0x06, 0x06)];
	uchar_t boot_system_identifier	[ISODCL(0x07, 0x26)];
	uchar_t unused1			[ISODCL(0x27, 0x46)];
	uchar_t boot_catalog_pointer	[ISODCL(0x47, 0x4A)];
	uchar_t unused2			[ISODCL(0x4B, 0x7FF)];
} boot_volume_descriptor;

typedef struct _boot_catalog_validation_entry {
	uchar_t header_id		[ISODCL(0x00, 0x00)];
	uchar_t platform_id		[ISODCL(0x01, 0x01)];
	uchar_t reserved1		[ISODCL(0x02, 0x03)];
	uchar_t manufacturer		[ISODCL(0x04, 0x1B)];
	uchar_t checksum		[ISODCL(0x1C, 0x1D)];
	uchar_t key			[ISODCL(0x1E, 0x1F)];
} boot_catalog_validation_entry;

typedef struct _boot_catalog_initial_entry {
	uchar_t boot_indicator		[ISODCL(0x00, 0x00)];
	uchar_t media_type		[ISODCL(0x01, 0x01)];
	uchar_t load_segment		[ISODCL(0x02, 0x03)];
	uchar_t system_type		[ISODCL(0x04, 0x04)];
	uchar_t unused_1		[ISODCL(0x05, 0x05)];
	uchar_t sector_count		[ISODCL(0x06, 0x07)];
	uchar_t load_rba		[ISODCL(0x08, 0x0B)];
	uchar_t unused_2		[ISODCL(0x0C, 0x1F)];
} boot_catalog_initial_entry;

#define	ET_SECTION_HEADER_MORE		0x90
#define	ET_SECTION_HEADER_LAST		0x91

typedef struct _boot_catalog_section_header {
	uchar_t header_indicator	[ISODCL(0x00, 0x00)];
	uchar_t platform_id		[ISODCL(0x01, 0x01)];
	uchar_t num_section_entries	[ISODCL(0x02, 0x03)];
	uchar_t id_string		[ISODCL(0x04, 0x1F)];
} boot_catalog_section_header;

typedef struct _boot_catalog_section_entry {
	uchar_t boot_indicator		[ISODCL(0x00, 0x00)];
	uchar_t media_type		[ISODCL(0x01, 0x01)];
	uchar_t load_segment		[ISODCL(0x02, 0x03)];
	uchar_t system_type		[ISODCL(0x04, 0x04)];
	uchar_t unused_1		[ISODCL(0x05, 0x05)];
	uchar_t sector_count		[ISODCL(0x06, 0x07)];
	uchar_t load_rba		[ISODCL(0x08, 0x0B)];
	uchar_t selection_criteria	[ISODCL(0x0C, 0x0C)];
	uchar_t vendor_criteria		[ISODCL(0x0D, 0x1F)];
} boot_catalog_section_entry;

typedef struct _boot_catalog_section_entry_extension {
	uchar_t extension_indicator	[ISODCL(0x00, 0x00)];
	uchar_t flags			[ISODCL(0x01, 0x01)];
	uchar_t vendor_criteria		[ISODCL(0x02, 0x1F)];
} boot_catalog_section_entry_extension;

#define	ET_ENTRY_VE 1
#define	ET_ENTRY_IE 2
#define	ET_ENTRY_SH 3
#define	ET_ENTRY_SE 4
#define	ET_ENTRY_EX 5

struct boot_catalog_entry {
	char entry_type;
	union {
		boot_catalog_validation_entry		VE;
		boot_catalog_initial_entry		IE;
		boot_catalog_section_header		SH;
		boot_catalog_section_entry		SE;
		boot_catalog_section_entry_extension	EX;
	} entry_data;

	LIST_ENTRY(boot_catalog_entry) ll_struct;
};

/* Temporary structure */
struct cd9660_boot_image {
	char *filename;
	int size;
	int sector;			/* copied to LoadRBA */
	int num_sectors;
	unsigned int loadSegment;
	uchar_t targetMode;
	uchar_t system;
	uchar_t bootable;
	uchar_t platform_id;		/* for section header entry */
	/*
	 * If the boot image exists in the filesystem
	 * already, this is a pointer to that node. For the sake
	 * of simplicity in future versions, this pointer is only
	 * to the node in the primary volume. This SHOULD be done
	 * via a hashtable lookup.
	 */
	struct _cd9660node *boot_image_node;
	TAILQ_ENTRY(cd9660_boot_image) image_list;
	int serialno;
};

void cd9660_721(uint16_t, unsigned char *);

static __inline uint16_t
isonum_721(const unsigned char *p)
{

	return (p[0] | p[1] << 8);
}

static __inline uint32_t
isonum_731(const unsigned char *p)
{

	return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}

#endif /* _CD9660_ELTORITO_H_ */
/*
 * Copyright (c) 2018 iXsystems, Inc.
 * 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 AUTHOR 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 AUTHOR 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.
 */

#include <err.h>
#include <getopt.h>
#include <libgen.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/queue.h>
#include <endian.h>

#include <sys/fs/hsfs_isospec.h>
#include "cd9660_eltorito.h"

#include "etdump.h"

#define	ISO_DEFAULT_BLOCK_SHIFT	11
#define	ISO_DEFAULT_BLOCK_SIZE	(1 << ISO_DEFAULT_BLOCK_SHIFT)

/* Little endian */
void
cd9660_721(uint16_t w, unsigned char *twochar)
{
#if BYTE_ORDER == BIG_ENDIAN
	w = htole16(w);
#endif
	memcpy(twochar, &w, 2);
}

const char *
system_id_string(uchar_t system_id)
{

	switch (system_id) {
	case ET_SYS_X86:
		return ("i386");
	case ET_SYS_PPC:
		return ("powerpc");
	case ET_SYS_MAC:
		return ("mac");
	case ET_SYS_EFI:
		return ("efi");
	default:
		return ("invalid");
	}
}

const char *
media_type_string(uchar_t media_type)
{

	switch (media_type) {
	case ET_MEDIA_NOEM:
		return ("no emulation");
	case ET_MEDIA_12FDD:
		return ("1.2MB FDD");
	case ET_MEDIA_144FDD:
		return ("1.44MB FDD");
	case ET_MEDIA_288FDD:
		return ("2.88MB FDD");
	case ET_MEDIA_HDD:
		return ("HDD");
	default:
		return ("invalid");
	}
}

static int
read_sector(FILE *iso, daddr_t sector, char *buffer)
{

	fseek(iso, sector * ISO_DEFAULT_BLOCK_SIZE, SEEK_SET);
	if (fread(buffer, ISO_DEFAULT_BLOCK_SIZE, 1, iso) != 1) {
		return (errno);
	}
	return (0);
}

static bool
boot_catalog_valid(char *entry)
{
	boot_catalog_validation_entry *ve;
	int16_t		checksum, sum;
	unsigned char	*csptr;
	size_t		i;

	ve = (boot_catalog_validation_entry *)entry;

	checksum = isonum_721(ve->checksum);
	cd9660_721(0, ve->checksum);
	csptr = (unsigned char *)ve;

	for (i = sum = 0; i < sizeof (*ve); i += 2) {
		sum += (int16_t)csptr[i];
		sum += 256 * (int16_t)csptr[i + 1];
	}
	if (sum + checksum != 0) {
		return (false);
	}

	cd9660_721(checksum, ve->checksum);
	return (true);
}

static int
dump_section(char *buffer, size_t offset, FILE *outfile, const char *filename,
    struct outputter *outputter)
{
	boot_catalog_section_header *sh;
	uchar_t platform_id;
	int i;
	size_t entry_offset;
	boot_catalog_section_entry *entry;

	sh = (boot_catalog_section_header *)&buffer[offset];
	if (outputter->output_section != NULL) {
		outputter->output_section(outfile, filename, sh);
	}

	platform_id = sh->platform_id[0];

	if (outputter->output_entry != NULL) {
		for (i = 1; i <= (int)sh->num_section_entries[0]; i++) {
			entry_offset = offset + i * ET_BOOT_ENTRY_SIZE;
			entry =
			    (boot_catalog_section_entry *)&buffer[entry_offset];
			outputter->output_entry(outfile, filename, entry,
			    platform_id, false);
		}
	}

	return (1 + (int)sh->num_section_entries[0]);
}

static void
dump_eltorito(FILE *iso, const char *filename, FILE *outfile,
    struct outputter *outputter)
{
	char buffer[ISO_DEFAULT_BLOCK_SIZE], *entry;
	boot_volume_descriptor *bvd;
	daddr_t boot_catalog;
	size_t offset;
	int entry_count;

	if (read_sector(iso, 17, buffer) != 0)
		err(1, "failed to read from image");

	bvd = (boot_volume_descriptor *)buffer;
	if (memcmp(bvd->identifier, ISO_ID_STRING, 5) != 0)
		warnx("%s: not a valid ISO", filename);
	if (bvd->boot_record_indicator[0] != ISO_VD_BOOT)
		warnx("%s: not an El Torito bootable ISO", filename);
	if (memcmp(bvd->boot_system_identifier, ET_ID, 23) != 0)
		warnx("%s: not an El Torito bootable ISO", filename);

	boot_catalog = isonum_731(bvd->boot_catalog_pointer);

	if (read_sector(iso, boot_catalog, buffer) != 0)
		err(1, "failed to read from image");

	entry = buffer;
	offset = 0;

	if (!boot_catalog_valid(entry))
		warnx("%s: boot catalog checksum is invalid", filename);

	if (outputter->output_image != NULL)
		outputter->output_image(outfile, filename, bvd);

	offset += ET_BOOT_ENTRY_SIZE;
	entry = &buffer[offset];
	if (outputter->output_entry != NULL)
		outputter->output_entry(outfile, filename,
		    (boot_catalog_section_entry *)entry, 0, true);

	offset += ET_BOOT_ENTRY_SIZE;

	while (offset < ISO_DEFAULT_BLOCK_SIZE) {
		entry = &buffer[offset];

		if ((uint8_t)entry[0] != ET_SECTION_HEADER_MORE &&
		    (uint8_t)entry[0] != ET_SECTION_HEADER_LAST)
			break;

		entry_count = dump_section(buffer, offset, outfile, filename,
		    outputter);

		offset += entry_count * ET_BOOT_ENTRY_SIZE;
	}
}

static void
usage(const char *progname)
{
	char *path;

	path = strdup(progname);

	fprintf(stderr, "usage: %s [-f format] [-o filename] filename [...]\n",
	    basename(path));
	fprintf(stderr, "\tsupported output formats: shell, text\n");
	exit(1);
}

int
main(int argc, char **argv)
{
	int ch, i;
	FILE *outfile, *iso;
	struct outputter *outputter;

	outfile = stdout;
	outputter = output_text;

	static struct option longopts[] = {
		{ "format",	required_argument,	NULL,	'f' },
		{ "output",	required_argument,	NULL,	'o' },
		{ NULL,		0,			NULL,	0 },
	};

	while ((ch = getopt_long(argc, argv, "f:o:", longopts, NULL)) != -1) {
		switch (ch) {
		case 'f':
			if (strcmp(optarg, "shell") == 0)
				outputter = output_shell;
			else if (strcmp(optarg, "text") == 0)
				outputter = output_text;
			else
				usage(argv[0]);
			break;
		case 'o':
			if (strcmp(optarg, "-") == 0) {
				outfile = stdout;
			} else if ((outfile = fopen(optarg, "w")) == NULL) {
				err(1, "unable to open %s for output", optarg);
			}
			break;
		default:
			usage(argv[0]);
		}
	}

	argc -= optind;
	argv += optind;

	for (i = 0; i < argc; i++) {
		if (strcmp(argv[i], "-") == 0) {
			iso = stdin;
		} else {
			iso = fopen(argv[i], "r");
			if (iso == NULL)
				err(1, "could not open %s", argv[1]);
		}
		dump_eltorito(iso, argv[i], outfile, outputter);
	}
	return (0);
}
/*
 * Copyright (c) 2018 iXsystems, Inc.
 * 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 AUTHOR 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 AUTHOR 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.
 *
 * $FreeBSD: head/usr.bin/etdump/etdump.h 331949 2018-04-03 21:08:10Z benno $
 */

#ifndef	_ETDUMP_H_
#define	_ETDUMP_H_

struct outputter {
	void (*output_image)(FILE *outfile, const char *filename,
	    boot_volume_descriptor *bvd);
	void (*output_section)(FILE *outfile, const char *filename,
	    boot_catalog_section_header *bcsh);
	void (*output_entry)(FILE *outfile, const char *filename,
	    boot_catalog_section_entry *bcse,
	    uchar_t platform_id, bool initial);
};

extern struct outputter *output_text;
extern struct outputter *output_shell;

const char *system_id_string(uchar_t system_id);
const char *media_type_string(uchar_t media_type);

#endif	/* _ETDUMP_H_ */
/*
 * Copyright (c) 2018 iXsystems, Inc.
 * 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 AUTHOR 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 AUTHOR 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.
 */

#include <stdbool.h>
#include <stdio.h>
#include <inttypes.h>

#include "cd9660_eltorito.h"

#include "etdump.h"

static void
output_entry(FILE *outfile, const char *filename __unused,
    boot_catalog_section_entry *bcse, uchar_t platform_id, bool initial)
{
	const char *platform;

	switch (bcse->boot_indicator[0]) {
	case ET_BOOTABLE:
		break;
	case ET_NOT_BOOTABLE:
	default:
		return;
	}

	if (initial)
		platform = "default";
	else
		platform = system_id_string(platform_id);

	fprintf(outfile,
	    "et_platform=%s;et_system=%s;et_lba=%" PRIu32 ";et_sectors=%"
	    PRIu16 "\n", platform, system_id_string(bcse->system_type[0]),
	    isonum_731(bcse->load_rba), isonum_721(bcse->sector_count));
}

static struct outputter _output_shell = {
	.output_image = NULL,
	.output_section = NULL,
	.output_entry = output_entry,
};

struct outputter *output_shell = &_output_shell;
/*
 * Copyright (c) 2018 iXsystems, Inc.
 * 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 AUTHOR 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 AUTHOR 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.
 */

#include <stdbool.h>
#include <stdio.h>
#include <inttypes.h>

#include "cd9660_eltorito.h"
#include "etdump.h"

static void
output_image(FILE *outfile, const char *filename,
    boot_volume_descriptor *bvd __unused)
{

	fprintf(outfile, "Image in %s\n", filename);
}

static void
output_section(FILE *outfile, const char *filename __unused,
    boot_catalog_section_header *bcsh)
{

	fprintf(outfile, "\nSection header: %s",
	    system_id_string(bcsh->platform_id[0]));

	if (bcsh->header_indicator[0] == ET_SECTION_HEADER_LAST)
		fprintf(outfile, ", final\n");
	else
		fprintf(outfile, "\n");
}

static void
output_entry(FILE *outfile, const char *filename __unused,
    boot_catalog_section_entry *bcse, uchar_t platform_id __unused,
    bool initial)
{
	const char *indent;

	switch (bcse->boot_indicator[0]) {
	case ET_BOOTABLE:
		break;
	case ET_NOT_BOOTABLE:
	default:
		return;
	}

	if (initial) {
		fprintf(outfile, "Default entry\n");
		indent = "\t";
	} else {
		fprintf(outfile, "\tSection entry\n");
		indent = "\t\t";
	}

	fprintf(outfile, "%sSystem %s\n", indent,
	    system_id_string(bcse->system_type[0]));
	fprintf(outfile, "%sStart LBA %" PRIu32 " (0x%" PRIx32
	    "), sector count %" PRIu16 " (0x%" PRIx16 ")\n",
	    indent, isonum_731(bcse->load_rba), isonum_731(bcse->load_rba),
	    isonum_721(bcse->sector_count), isonum_721(bcse->sector_count));
	fprintf(outfile, "%sMedia type: %s\n", indent,
	    media_type_string(bcse->media_type[0]));
}

static struct outputter _output_text = {
	.output_image = output_image,
	.output_section = output_section,
	.output_entry = output_entry,
};

struct outputter *output_text = &_output_text;