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rufus/src/iso.c

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/*
* Rufus: The Reliable USB Formatting Utility
* ISO file extraction
* Copyright (c) 2011-2012 Pete Batard <pete@akeo.ie>
* Based on libcdio's iso & udf samples:
* Copyright (c) 2003-2011 Rocky Bernstein <rocky@gnu.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* Memory leaks detection - define _CRTDBG_MAP_ALLOC as preprocessor macro */
#ifdef _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif
#include <windows.h>
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <errno.h>
#include <direct.h>
#include <cdio/cdio.h>
#include <cdio/logging.h>
#include <cdio/iso9660.h>
#include <cdio/udf.h>
#include "rufus.h"
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#define print_vd_info(title, fn) \
if (fn(p_iso, &psz_str)) { \
uprintf(title ": %s\n", psz_str); \
} \
free(psz_str); \
psz_str = NULL;
/* Needed for UDF ISO access */
// TODO: should be able to elmininate those with an alternate approach
CdIo_t* cdio_open (const char *psz_source, driver_id_t driver_id) {return NULL;}
void cdio_destroy (CdIo_t *p_cdio) {}
const char *psz_extract_dir = "D:/tmp/iso";
// TODO: Unicode support, progress computation, timestamp preservation
static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const char *psz_path)
{
FILE *fd = NULL;
int i_length;
char* psz_fullpath;
const char* psz_basename;
udf_dirent_t *p_udf_dirent2;
uint8_t buf[UDF_BLOCKSIZE];
int64_t i_read, i_file_length;
if ((p_udf_dirent == NULL) || (psz_path == NULL))
return 1;
while (udf_readdir(p_udf_dirent)) {
psz_basename = udf_get_filename(p_udf_dirent);
i_length = (int)(3 + strlen(psz_path) + strlen(psz_basename) + strlen(psz_extract_dir));
psz_fullpath = (char*)calloc(sizeof(char), i_length);
if (psz_fullpath == NULL) {
uprintf("Error allocating file name\n");
goto out;
}
i_length = _snprintf(psz_fullpath, i_length, "%s%s/%s", psz_extract_dir, psz_path, psz_basename);
if (i_length < 0) {
goto out;
}
uprintf("Extracting: %s\n", psz_fullpath);
if (udf_is_dir(p_udf_dirent)) {
_mkdir(psz_fullpath);
p_udf_dirent2 = udf_opendir(p_udf_dirent);
if (p_udf_dirent2 != NULL) {
if (udf_extract_files(p_udf, p_udf_dirent2, &psz_fullpath[strlen(psz_extract_dir)]))
goto out;
}
} else {
fd = fopen(psz_fullpath, "wb");
if (fd == NULL) {
uprintf(" Unable to create file\n");
goto out;
}
i_file_length = udf_get_file_length(p_udf_dirent);
while (i_file_length > 0) {
memset(buf, 0, UDF_BLOCKSIZE);
i_read = udf_read_block(p_udf_dirent, buf, 1);
if (i_read < 0) {
uprintf(" Error reading UDF file %s\n", &psz_fullpath[strlen(psz_extract_dir)]);
goto out;
}
fwrite(buf, (size_t)MIN(i_file_length, i_read), 1, fd);
if (ferror(fd)) {
uprintf(" Error writing file\n");
goto out;
}
i_file_length -= i_read;
}
fclose(fd);
fd = NULL;
}
free(psz_fullpath);
}
return 0;
out:
if (fd != NULL)
fclose(fd);
free(psz_fullpath);
return 1;
}
static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
{
FILE *fd = NULL;
int i_length, r = 1;
char psz_fullpath[4096], *psz_basename;
const char *psz_iso_name = &psz_fullpath[strlen(psz_extract_dir)];
unsigned char buf[ISO_BLOCKSIZE];
CdioListNode_t* p_entnode;
iso9660_stat_t *p_statbuf;
CdioList_t* p_entlist;
size_t i;
lsn_t lsn;
int64_t i_file_length;
if ((p_iso == NULL) || (psz_path == NULL))
return 1;
i_length = _snprintf(psz_fullpath, sizeof(psz_fullpath), "%s%s/", psz_extract_dir, psz_path);
if (i_length < 0)
return 1;
psz_basename = &psz_fullpath[i_length];
p_entlist = iso9660_ifs_readdir(p_iso, psz_path);
if (!p_entlist)
return 1;
_CDIO_LIST_FOREACH (p_entnode, p_entlist) {
p_statbuf = (iso9660_stat_t*) _cdio_list_node_data(p_entnode);
/* Eliminate . and .. entries */
if ( (strcmp(p_statbuf->filename, ".") == 0)
|| (strcmp(p_statbuf->filename, "..") == 0) )
continue;
iso9660_name_translate(p_statbuf->filename, psz_basename);
if (p_statbuf->type == _STAT_DIR) {
_mkdir(psz_fullpath);
if (iso_extract_files(p_iso, psz_iso_name))
goto out;
} else {
uprintf("Extracting: %s\n", psz_fullpath);
fd = fopen(psz_fullpath, "wb");
if (fd == NULL) {
uprintf(" Unable to create file\n");
goto out;
}
i_file_length = p_statbuf->size;
for (i = 0; i_file_length > 0; i++) {
memset(buf, 0, ISO_BLOCKSIZE);
lsn = p_statbuf->lsn + (lsn_t)i;
if (iso9660_iso_seek_read(p_iso, buf, lsn, 1) != ISO_BLOCKSIZE) {
uprintf(" Error reading ISO9660 file %s at LSN %lu\n",
psz_iso_name, (long unsigned int)lsn);
goto out;
}
fwrite(buf, (size_t)MIN(i_file_length, ISO_BLOCKSIZE), 1, fd);
if (ferror(fd)) {
uprintf(" Error writing file\n");
goto out;
}
i_file_length -= ISO_BLOCKSIZE;
}
fclose(fd);
fd = NULL;
}
}
r = 0;
out:
if (fd != NULL)
fclose(fd);
_cdio_list_free(p_entlist, true);
return r;
}
BOOL ExtractISO(const char* src_iso, const char* dest_dir)
{
BOOL r = FALSE;
iso9660_t* p_iso = NULL;
udf_t* p_udf = NULL;
udf_dirent_t* p_udf_root;
char *psz_str = NULL;
char vol_id[UDF_VOLID_SIZE] = "";
char volset_id[UDF_VOLSET_ID_SIZE+1] = "";
cdio_loglevel_default = CDIO_LOG_DEBUG;
/* First try to open as UDF - fallback to ISO if it failed */
p_udf = udf_open(src_iso);
if (p_udf == NULL)
goto try_iso;
p_udf_root = udf_get_root(p_udf, true, 0);
if (p_udf_root == NULL) {
uprintf("Couldn't locate UDF root directory\n");
goto out;
}
vol_id[0] = 0; volset_id[0] = 0;
/* Show basic UDF Volume info */
if (udf_get_volume_id(p_udf, vol_id, sizeof(vol_id)) > 0)
uprintf("Volume id: %s\n", vol_id);
if (udf_get_volume_id(p_udf, volset_id, sizeof(volset_id)) >0 ) {
volset_id[UDF_VOLSET_ID_SIZE]='\0';
uprintf("Volume set id: %s\n", volset_id);
}
uprintf("Partition number: %d\n", udf_get_part_number(p_udf));
/* Recursively extract files */
r = udf_extract_files(p_udf, p_udf_root, "");
goto out;
try_iso:
p_iso = iso9660_open(src_iso);
if (p_iso == NULL) {
uprintf("Unable to open image '%s'.\n", src_iso);
goto out;
}
/* Show basic ISO9660 info from the Primary Volume Descriptor. */
print_vd_info("Application", iso9660_ifs_get_application_id);
print_vd_info("Preparer ", iso9660_ifs_get_preparer_id);
print_vd_info("Publisher ", iso9660_ifs_get_publisher_id);
print_vd_info("System ", iso9660_ifs_get_system_id);
print_vd_info("Volume ", iso9660_ifs_get_volume_id);
print_vd_info("Volume Set ", iso9660_ifs_get_volumeset_id);
r = iso_extract_files(p_iso, "");
out:
if (p_iso != NULL)
iso9660_close(p_iso);
if (p_udf != NULL)
udf_close(p_udf);
return r;
}
#ifdef ISO_TEST
int main(int argc, char** argv)
{
// ExtractISO("D:\\Incoming\\GRMSDKX_EN_DVD.iso", NULL);
// ExtractISO("D:\\fd11src.iso", NULL);
// ExtractISO("D:\\Incoming\\en_windows_driver_kit_3790.iso", NULL);
// ExtractISO("D:\\Incoming\\en_windows_7_ultimate_with_sp1_x64_dvd_618240.iso", NULL);
ExtractISO("D:\\Incoming\\Windows 8 Preview\\WindowsDeveloperPreview-64bit-English-Developer.iso", NULL);
#ifdef _CRTDBG_MAP_ALLOC
_CrtDumpMemoryLeaks();
#endif
while(getchar() != 0x0a);
exit(0);
}
#endif
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