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/*
$Id: cd-read.c,v 1.25 2005/09/18 20:34:02 rocky Exp $
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Program to debug read routines audio, mode1, mode2 forms 1 & 2. */
#include "util.h"
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
/* Configuration option codes */
enum {
/* These correspond to driver_id_t in cdio.h and have to MATCH! */
OP_SOURCE_UNDEF = DRIVER_UNKNOWN,
OP_SOURCE_AUTO,
OP_SOURCE_BIN,
OP_SOURCE_CUE,
OP_SOURCE_NRG = DRIVER_NRG,
OP_SOURCE_CDRDAO = DRIVER_CDRDAO,
OP_SOURCE_DEVICE = DRIVER_DEVICE,
/* These are the remaining configuration options */
OP_READ_MODE,
OP_VERSION,
};
typedef enum
{
READ_MODE_UNINIT,
READ_AUDIO,
READ_M1F1,
READ_M1F2,
READ_M2F1,
READ_M2F2
#if AUTO_FINISHED
READ_AUTO
#endif
} read_mode_t;
/* Structure used so we can binary sort and set the --mode switch. */
typedef struct
{
char name[30];
read_mode_t read_mode;
} subopt_entry_t;
/* Sub-options for --mode. Note: entries must be sorted! */
subopt_entry_t modes_sublist[] = {
{"audio", READ_AUDIO},
{"m1f1", READ_M1F1},
{"m1f2", READ_M1F2},
{"m2f1", READ_M2F1},
{"m2f2", READ_M2F2},
{"mode1form1", READ_M1F1},
{"mode1form2", READ_M1F2},
{"mode2form1", READ_M2F1},
{"mode2form2", READ_M2F2},
{"red", READ_AUDIO},
};
/* Used by `main' to communicate with `parse_opt'. And global options
*/
struct arguments
{
char *access_mode; /* Access method driver should use for control */
char *output_file; /* file to output blocks if not NULL. */
int debug_level;
int hexdump; /* Show output as a hexdump */
int nohexdump; /* Don't output as a hexdump. I don't know
how to get popt to combine these as
one variable.
*/
read_mode_t read_mode;
int version_only;
int no_header;
int print_iso9660;
source_image_t source_image;
lsn_t start_lsn;
lsn_t end_lsn;
int num_sectors;
} opts;
static void
hexdump (FILE *stream, uint8_t * buffer, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++, buffer++)
{
if (i % 16 == 0)
fprintf (stream, "0x%04x: ", i);
fprintf (stream, "%02x", *buffer);
if (i % 2 == 1)
fprintf (stream, " ");
if (i % 16 == 15) {
uint8_t *p;
fprintf (stream, " ");
for (p=buffer-15; p <= buffer; p++) {
fprintf(stream, "%c", isprint(*p) ? *p : '.');
}
fprintf (stream, "\n");
}
}
fprintf (stream, "\n");
fflush (stream);
}
/* Comparison function called by bearch() to find sub-option record. */
static int
compare_subopts(const void *key1, const void *key2)
{
subopt_entry_t *a = (subopt_entry_t *) key1;
subopt_entry_t *b = (subopt_entry_t *) key2;
return (strncmp(a->name, b->name, 30));
}
/* Do processing of a --mode sub option.
Basically we find the option in the array, set it's corresponding
flag variable to true as well as the "show.all" false.
*/
static void
process_suboption(const char *subopt, subopt_entry_t *sublist, const int num,
const char *subopt_name)
{
subopt_entry_t *subopt_rec =
bsearch(subopt, sublist, num, sizeof(subopt_entry_t),
&compare_subopts);
if (subopt_rec != NULL) {
opts.read_mode = subopt_rec->read_mode;
return;
} else {
unsigned int i;
bool is_help=strcmp(subopt, "help")==0;
if (is_help) {
report( stderr, "The list of sub options for \"%s\" are:\n",
subopt_name );
} else {
report( stderr, "Invalid option following \"%s\": %s.\n",
subopt_name, subopt );
report( stderr, "Should be one of: " );
}
for (i=0; i<num-1; i++) {
report( stderr, "%s, ", sublist[i].name );
}
report( stderr, "or %s.\n", sublist[num-1].name );
exit (is_help ? EXIT_SUCCESS : EXIT_FAILURE);
}
}
/* Parse a options. */
static bool
parse_options (int argc, const char *argv[])
{
int opt;
char *psz_my_source;
char *opt_arg;
/* Command-line options */
struct poptOption optionsTable[] = {
{"access-mode", 'a', POPT_ARG_STRING, &opts.access_mode, 0,
"Set CD control access mode"},
{"mode", 'm',
POPT_ARG_STRING, &opt_arg,
OP_READ_MODE,
"set CD-ROM read mode (audio, m1f1, m1f2, m2mf1, m2f2)",
"MODE-TYPE"},
{"debug", 'd',
POPT_ARG_INT, &opts.debug_level, 0,
"Set debugging to LEVEL"},
{"hexdump", 'x', POPT_ARG_NONE, &opts.hexdump, 0,
"Show output as a hex dump. The default is a hex dump when "
"output goes to stdout and no hex dump when output is to a file."},
{"no-header", '\0', POPT_ARG_NONE, &opts.no_header,
0, "Don't display header and copyright (for regression testing)"},
{"no-hexdump", '\0', POPT_ARG_NONE, &opts.nohexdump, 0,
"Don't show output as a hex dump."},
{"start", 's',
POPT_ARG_INT, &opts.start_lsn, 0,
"Set LBA to start reading from"},
{"end", 'e',
POPT_ARG_INT, &opts.end_lsn, 0,
"Set LBA to end reading from"},
{"number", 'n',
POPT_ARG_INT, &opts.num_sectors, 0,
"Set number of sectors to read"},
{"bin-file", 'b', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &psz_my_source,
OP_SOURCE_BIN, "set \"bin\" CD-ROM disk image file as source", "FILE"},
{"cue-file", 'c', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &psz_my_source,
OP_SOURCE_CUE, "set \"cue\" CD-ROM disk image file as source", "FILE"},
{"input", 'i', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &psz_my_source,
OP_SOURCE_AUTO,
"set source and determine if \"bin\" image or device", "FILE"},
{"cdrom-device", 'C', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &source_name,
OP_SOURCE_DEVICE,
"set CD-ROM device as source", "DEVICE"},
{"nrg-file", 'N', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &psz_my_source,
OP_SOURCE_NRG, "set Nero CD-ROM disk image file as source", "FILE"},
{"toc-file", 't', POPT_ARG_STRING|POPT_ARGFLAG_OPTIONAL, &psz_my_source,
OP_SOURCE_CDRDAO, "set \"TOC\" CD-ROM disk image file as source", "FILE"},
{"output-file", 'o', POPT_ARG_STRING, &opts.output_file, 0,
"Output blocks to file rather than give a hexdump.", "FILE"},
{"version", 'V', POPT_ARG_NONE, NULL, OP_VERSION,
"display version and copyright information and exit"},
POPT_AUTOHELP {NULL, 0, 0, NULL, 0}
};
poptContext optCon = poptGetContext (NULL, argc, argv, optionsTable, 0);
program_name = strrchr(argv[0],'/');
program_name = program_name ? strdup(program_name+1) : strdup(argv[0]);
while ((opt = poptGetNextOpt (optCon)) >= 0)
switch (opt)
{
case OP_SOURCE_AUTO:
case OP_SOURCE_BIN:
case OP_SOURCE_CUE:
case OP_SOURCE_NRG:
case OP_SOURCE_DEVICE:
if (opts.source_image != INPUT_UNKNOWN) {
report( stderr, "%s: another source type option given before.\n",
program_name );
report( stderr, "%s: give only one source type option.\n",
program_name );
break;
}
/* For all input sources which are not a DEVICE, we need to make
a copy of the string; for a DEVICE the fill-out routine makes
the copy.
*/
if (OP_SOURCE_DEVICE != opt)
source_name = strdup(psz_my_source);
switch (opt) {
case OP_SOURCE_BIN:
opts.source_image = INPUT_BIN;
break;
case OP_SOURCE_CUE:
opts.source_image = INPUT_CUE;
break;
case OP_SOURCE_NRG:
opts.source_image = INPUT_NRG;
break;
case OP_SOURCE_AUTO:
opts.source_image = INPUT_AUTO;
break;
case OP_SOURCE_DEVICE:
opts.source_image = INPUT_DEVICE;
source_name = fillout_device_name(source_name);
break;
}
break;
case OP_READ_MODE:
process_suboption(opt_arg, modes_sublist,
sizeof(modes_sublist) / sizeof(subopt_entry_t),
"--mode");
break;
case OP_VERSION:
print_version(program_name, VERSION, 0, true);
poptFreeContext(optCon);
free(program_name);
exit (EXIT_SUCCESS);
break;
}
if (opt < -1) {
report( stderr, "%s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(opt) );
free(program_name);
exit (EXIT_FAILURE);
}
{
const char *remaining_arg = poptGetArg(optCon);
if ( remaining_arg != NULL) {
if (opts.source_image != INPUT_UNKNOWN) {
report( stderr, "%s: Source specified in option %s and as %s\n",
program_name, source_name, remaining_arg );
poptFreeContext(optCon);
free(program_name);
exit (EXIT_FAILURE);
}
if (opts.source_image == OP_SOURCE_DEVICE)
source_name = fillout_device_name(remaining_arg);
else
source_name = strdup(remaining_arg);
if ( (poptGetArgs(optCon)) != NULL) {
report( stderr, "%s: Source specified in previously %s and %s\n",
program_name, source_name, remaining_arg );
poptFreeContext(optCon);
free(program_name);
exit (EXIT_FAILURE);
}
}
}
if (opts.debug_level == 3) {
cdio_loglevel_default = CDIO_LOG_INFO;
} else if (opts.debug_level >= 4) {
cdio_loglevel_default = CDIO_LOG_DEBUG;
}
if (opts.read_mode == READ_MODE_UNINIT) {
report( stderr,
"%s: Need to give a read mode "
"(audio, m1f1, m1f2, m2f1 or m2f2)\n",
program_name );
poptFreeContext(optCon);
free(program_name);
exit(10);
}
/* Check consistency between start_lsn, end_lsn and num_sectors. */
if (opts.nohexdump && opts.hexdump != 2) {
report( stderr,
"%s: don't give both --hexdump and --no-hexdump together\n",
program_name );
exit(13);
}
if (opts.nohexdump) opts.hexdump = 0;
if (opts.start_lsn == CDIO_INVALID_LSN) {
/* Maybe we derive the start from the end and num sectors. */
if (opts.end_lsn == CDIO_INVALID_LSN) {
/* No start or end LSN, so use 0 for the start */
opts.start_lsn = 0;
if (opts.num_sectors == 0) opts.num_sectors = 1;
} else if (opts.num_sectors != 0) {
if (opts.end_lsn <= opts.num_sectors) {
report( stderr, "%s: end LSN (%lu) needs to be greater than "
" the sector to read (%lu)\n",
program_name, (unsigned long) opts.end_lsn,
(unsigned long) opts.num_sectors );
poptFreeContext(optCon);
exit(12);
}
opts.start_lsn = opts.end_lsn - opts.num_sectors + 1;
}
}
/* opts.start_lsn has been set somehow or we've aborted. */
if (opts.end_lsn == CDIO_INVALID_LSN) {
if (0 == opts.num_sectors) opts.num_sectors = 1;
opts.end_lsn = opts.start_lsn + opts.num_sectors - 1;
} else {
/* We were given an end lsn. */
if (opts.end_lsn < opts.start_lsn) {
report( stderr,
"%s: end LSN (%lu) needs to be less than start LSN (%lu)\n",
program_name, (unsigned long) opts.start_lsn,
(unsigned long) opts.end_lsn );
poptFreeContext(optCon);
free(program_name);
exit(13);
}
if (opts.num_sectors != opts.end_lsn - opts.start_lsn + 1)
if (opts.num_sectors != 0) {
report( stderr,
"%s: inconsistency between start LSN (%lu), end (%lu), "
"and count (%d)\n",
program_name, (unsigned long) opts.start_lsn,
(unsigned long) opts.end_lsn, opts.num_sectors );
poptFreeContext(optCon);
free(program_name);
exit(14);
}
opts.num_sectors = opts.end_lsn - opts.start_lsn + 1;
}
poptFreeContext(optCon);
return true;
}
static void
log_handler (cdio_log_level_t level, const char message[])
{
if (level == CDIO_LOG_DEBUG && opts.debug_level < 2)
return;
if (level == CDIO_LOG_INFO && opts.debug_level < 1)
return;
if (level == CDIO_LOG_WARN && opts.debug_level < 0)
return;
gl_default_cdio_log_handler (level, message);
}
static void
init(void)
{
opts.debug_level = 0;
opts.start_lsn = CDIO_INVALID_LSN;
opts.end_lsn = CDIO_INVALID_LSN;
opts.num_sectors = 0;
opts.read_mode = READ_MODE_UNINIT;
opts.source_image = INPUT_UNKNOWN;
opts.hexdump = 2; /* Not set. */
gl_default_cdio_log_handler = cdio_log_set_handler (log_handler);
}
int
main(int argc, const char *argv[])
{
uint8_t buffer[CDIO_CD_FRAMESIZE_RAW] = { 0, };
unsigned int blocklen=CDIO_CD_FRAMESIZE_RAW;
CdIo *p_cdio=NULL;
int output_fd=-1;
FILE *output_stream;
init();
/* Parse our arguments; every option seen by `parse_opt' will
be reflected in `arguments'. */
parse_options(argc, argv);
print_version(program_name, VERSION, opts.no_header, opts.version_only);
p_cdio = open_input(source_name, opts.source_image, opts.access_mode);
if (opts.output_file!=NULL) {
/* If hexdump not explicitly set, then don't produce hexdump
when writing to a file.
*/
if (opts.hexdump == 2) opts.hexdump = 0;
output_fd = open(opts.output_file, O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (-1 == output_fd) {
err_exit("Error opening output file %s: %s\n",
opts.output_file, strerror(errno));
}
} else
/* If we are writing to stdout, then the default is to produce
a hexdump.
*/
if (opts.hexdump == 2) opts.hexdump = 1;
for ( ; opts.start_lsn <= opts.end_lsn; opts.start_lsn++ ) {
switch (opts.read_mode) {
case READ_AUDIO:
if (cdio_read_audio_sector(p_cdio, &buffer, opts.start_lsn)) {
report( stderr, "error reading block %u\n",
(unsigned int) opts.start_lsn );
blocklen = 0;
}
break;
case READ_M1F1:
if (cdio_read_mode1_sector(p_cdio, &buffer, opts.start_lsn, false)) {
report( stderr, "error reading block %u\n",
(unsigned int) opts.start_lsn);
blocklen = 0;
} else
blocklen=CDIO_CD_FRAMESIZE;
break;
case READ_M1F2:
if (cdio_read_mode1_sector(p_cdio, &buffer, opts.start_lsn, true)) {
report( stderr, "error reading block %u\n",
(unsigned int) opts.start_lsn);
blocklen = 0;
} else
blocklen=M2RAW_SECTOR_SIZE;
break;
case READ_M2F1:
if (cdio_read_mode2_sector(p_cdio, &buffer, opts.start_lsn, false)) {
report( stderr, "error reading block %u\n",
(unsigned int) opts.start_lsn);
blocklen=0;
} else
blocklen=CDIO_CD_FRAMESIZE;
break;
case READ_M2F2:
if (cdio_read_mode2_sector(p_cdio, &buffer, opts.start_lsn, true)) {
report( stderr, "error reading block %u\n",
(unsigned int) opts.start_lsn);
blocklen=0;
} else
blocklen=M2F2_SECTOR_SIZE;
break;
#if AUTO_FINISHED
case READ_AUTO:
/* Find what track lsn is in. Then
switch cdio_get_track_format(p_cdio, i)
and also test using is_green
*/
break;
#endif
case READ_MODE_UNINIT:
err_exit("%s: Reading mode not set\n", program_name);
break;
}
if (!opts.output_file) {
output_stream = stdout;
} else {
output_stream = fdopen(output_fd, "w");
}
if (opts.hexdump)
hexdump(output_stream, buffer, blocklen);
else if (opts.output_file)
write(output_fd, buffer, blocklen);
else {
unsigned int i;
for (i=0; i<blocklen; i++) printf("%c", buffer[i]);
}
}
if (opts.output_file) close(output_fd);
myexit(p_cdio, EXIT_SUCCESS);
/* Not reached:*/
return(EXIT_SUCCESS);
}